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-rw-r--r--drivers/char/Kconfig4
-rw-r--r--drivers/char/Makefile1
-rw-r--r--drivers/char/agp/efficeon-agp.c8
-rw-r--r--drivers/char/applicom.c2
-rw-r--r--drivers/char/cs5535_gpio.c5
-rw-r--r--drivers/char/drm/drmP.h5
-rw-r--r--drivers/char/drm/drm_agpsupport.c2
-rw-r--r--drivers/char/drm/drm_bufs.c5
-rw-r--r--drivers/char/drm/drm_drv.c4
-rw-r--r--drivers/char/drm/drm_memory.c134
-rw-r--r--drivers/char/drm/drm_memory.h128
-rw-r--r--drivers/char/drm/drm_memory_debug.h2
-rw-r--r--drivers/char/drm/drm_pci.c1
-rw-r--r--drivers/char/drm/drm_stub.c2
-rw-r--r--drivers/char/drm/r300_cmdbuf.c2
-rw-r--r--drivers/char/drm/via_irq.c12
-rw-r--r--drivers/char/dtlk.c2
-rw-r--r--drivers/char/hvcs.c2
-rw-r--r--drivers/char/ipmi/ipmi_bt_sm.c2
-rw-r--r--drivers/char/ipmi/ipmi_msghandler.c2
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c4
-rw-r--r--drivers/char/mem.c14
-rw-r--r--drivers/char/mwave/mwavedd.c2
-rw-r--r--drivers/char/pcmcia/cm4000_cs.c121
-rw-r--r--drivers/char/pcmcia/cm4040_cs.c133
-rw-r--r--drivers/char/pcmcia/synclink_cs.c116
-rw-r--r--drivers/char/random.c1
-rw-r--r--drivers/char/snsc.c3
-rw-r--r--drivers/char/sonypi.c3
-rw-r--r--drivers/char/tipar.c2
-rw-r--r--drivers/char/tlclk.c36
-rw-r--r--drivers/char/tpm/Kconfig11
-rw-r--r--drivers/char/tpm/Makefile1
-rw-r--r--drivers/char/tpm/tpm.c786
-rw-r--r--drivers/char/tpm/tpm.h37
-rw-r--r--drivers/char/tpm/tpm_atmel.c58
-rw-r--r--drivers/char/tpm/tpm_atmel.h25
-rw-r--r--drivers/char/tpm/tpm_bios.c52
-rw-r--r--drivers/char/tpm/tpm_infineon.c61
-rw-r--r--drivers/char/tpm/tpm_nsc.c49
-rw-r--r--drivers/char/tpm/tpm_tis.c669
-rw-r--r--drivers/char/tty_io.c36
-rw-r--r--drivers/char/vr41xx_rtc.c717
-rw-r--r--drivers/char/watchdog/Kconfig7
-rw-r--r--drivers/char/watchdog/Makefile1
-rw-r--r--drivers/char/watchdog/at91_wdt.c228
-rw-r--r--drivers/char/watchdog/pcwd.c137
-rw-r--r--drivers/char/watchdog/pcwd_usb.c3
48 files changed, 2235 insertions, 1403 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 889cad07774e..402296670d3a 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -805,10 +805,6 @@ config S3C2410_RTC
805 Samsung S3C2410. This can provide periodic interrupt rates 805 Samsung S3C2410. This can provide periodic interrupt rates
806 from 1Hz to 64Hz for user programs, and wakeup from Alarm. 806 from 1Hz to 64Hz for user programs, and wakeup from Alarm.
807 807
808config RTC_VR41XX
809 tristate "NEC VR4100 series Real Time Clock Support"
810 depends on CPU_VR41XX
811
812config COBALT_LCD 808config COBALT_LCD
813 bool "Support for Cobalt LCD" 809 bool "Support for Cobalt LCD"
814 depends on MIPS_COBALT 810 depends on MIPS_COBALT
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index a73cb4956928..f5b01c6d498e 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -67,7 +67,6 @@ obj-$(CONFIG_SGI_DS1286) += ds1286.o
67obj-$(CONFIG_SGI_IP27_RTC) += ip27-rtc.o 67obj-$(CONFIG_SGI_IP27_RTC) += ip27-rtc.o
68obj-$(CONFIG_DS1302) += ds1302.o 68obj-$(CONFIG_DS1302) += ds1302.o
69obj-$(CONFIG_S3C2410_RTC) += s3c2410-rtc.o 69obj-$(CONFIG_S3C2410_RTC) += s3c2410-rtc.o
70obj-$(CONFIG_RTC_VR41XX) += vr41xx_rtc.o
71ifeq ($(CONFIG_GENERIC_NVRAM),y) 70ifeq ($(CONFIG_GENERIC_NVRAM),y)
72 obj-$(CONFIG_NVRAM) += generic_nvram.o 71 obj-$(CONFIG_NVRAM) += generic_nvram.o
73else 72else
diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c
index fed0a87448d8..86a966b65236 100644
--- a/drivers/char/agp/efficeon-agp.c
+++ b/drivers/char/agp/efficeon-agp.c
@@ -64,6 +64,12 @@ static struct gatt_mask efficeon_generic_masks[] =
64 {.mask = 0x00000001, .type = 0} 64 {.mask = 0x00000001, .type = 0}
65}; 65};
66 66
67/* This function does the same thing as mask_memory() for this chipset... */
68static inline unsigned long efficeon_mask_memory(unsigned long addr)
69{
70 return addr | 0x00000001;
71}
72
67static struct aper_size_info_lvl2 efficeon_generic_sizes[4] = 73static struct aper_size_info_lvl2 efficeon_generic_sizes[4] =
68{ 74{
69 {256, 65536, 0}, 75 {256, 65536, 0},
@@ -251,7 +257,7 @@ static int efficeon_insert_memory(struct agp_memory * mem, off_t pg_start, int t
251 last_page = NULL; 257 last_page = NULL;
252 for (i = 0; i < count; i++) { 258 for (i = 0; i < count; i++) {
253 int index = pg_start + i; 259 int index = pg_start + i;
254 unsigned long insert = mem->memory[i]; 260 unsigned long insert = efficeon_mask_memory(mem->memory[i]);
255 261
256 page = (unsigned int *) efficeon_private.l1_table[index >> 10]; 262 page = (unsigned int *) efficeon_private.l1_table[index >> 10];
257 263
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 927a5bbe112c..a370e7a0bad5 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -142,7 +142,7 @@ static int ac_register_board(unsigned long physloc, void __iomem *loc,
142 if (!boardno) 142 if (!boardno)
143 boardno = readb(loc + NUMCARD_OWNER_TO_PC); 143 boardno = readb(loc + NUMCARD_OWNER_TO_PC);
144 144
145 if (!boardno && boardno > MAX_BOARD) { 145 if (!boardno || boardno > MAX_BOARD) {
146 printk(KERN_WARNING "Board #%d (at 0x%lx) is out of range (1 <= x <= %d).\n", 146 printk(KERN_WARNING "Board #%d (at 0x%lx) is out of range (1 <= x <= %d).\n",
147 boardno, physloc, MAX_BOARD); 147 boardno, physloc, MAX_BOARD);
148 return 0; 148 return 0;
diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c
index 5d72f50de1ac..46d66037b917 100644
--- a/drivers/char/cs5535_gpio.c
+++ b/drivers/char/cs5535_gpio.c
@@ -241,9 +241,10 @@ static int __init cs5535_gpio_init(void)
241static void __exit cs5535_gpio_cleanup(void) 241static void __exit cs5535_gpio_cleanup(void)
242{ 242{
243 dev_t dev_id = MKDEV(major, 0); 243 dev_t dev_id = MKDEV(major, 0);
244
245 cdev_del(&cs5535_gpio_cdev);
244 unregister_chrdev_region(dev_id, CS5535_GPIO_COUNT); 246 unregister_chrdev_region(dev_id, CS5535_GPIO_COUNT);
245 if (gpio_base != 0) 247 release_region(gpio_base, CS5535_GPIO_SIZE);
246 release_region(gpio_base, CS5535_GPIO_SIZE);
247} 248}
248 249
249module_init(cs5535_gpio_init); 250module_init(cs5535_gpio_init);
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index edc72a6348a7..cb76e5ca9a23 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -815,8 +815,6 @@ extern int drm_mem_info(char *buf, char **start, off_t offset,
815extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); 815extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area);
816extern void *drm_ioremap(unsigned long offset, unsigned long size, 816extern void *drm_ioremap(unsigned long offset, unsigned long size,
817 drm_device_t * dev); 817 drm_device_t * dev);
818extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size,
819 drm_device_t * dev);
820extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t * dev); 818extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t * dev);
821 819
822extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type); 820extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type);
@@ -891,7 +889,6 @@ extern int drm_lock_free(drm_device_t * dev,
891 /* Buffer management support (drm_bufs.h) */ 889 /* Buffer management support (drm_bufs.h) */
892extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request); 890extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request);
893extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request); 891extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request);
894extern int drm_addbufs_fb(drm_device_t *dev, drm_buf_desc_t *request);
895extern int drm_addmap(drm_device_t * dev, unsigned int offset, 892extern int drm_addmap(drm_device_t * dev, unsigned int offset,
896 unsigned int size, drm_map_type_t type, 893 unsigned int size, drm_map_type_t type,
897 drm_map_flags_t flags, drm_local_map_t ** map_ptr); 894 drm_map_flags_t flags, drm_local_map_t ** map_ptr);
@@ -1022,11 +1019,13 @@ static __inline__ void drm_core_ioremap(struct drm_map *map,
1022 map->handle = drm_ioremap(map->offset, map->size, dev); 1019 map->handle = drm_ioremap(map->offset, map->size, dev);
1023} 1020}
1024 1021
1022#if 0
1025static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, 1023static __inline__ void drm_core_ioremap_nocache(struct drm_map *map,
1026 struct drm_device *dev) 1024 struct drm_device *dev)
1027{ 1025{
1028 map->handle = drm_ioremap_nocache(map->offset, map->size, dev); 1026 map->handle = drm_ioremap_nocache(map->offset, map->size, dev);
1029} 1027}
1028#endif /* 0 */
1030 1029
1031static __inline__ void drm_core_ioremapfree(struct drm_map *map, 1030static __inline__ void drm_core_ioremapfree(struct drm_map *map,
1032 struct drm_device *dev) 1031 struct drm_device *dev)
diff --git a/drivers/char/drm/drm_agpsupport.c b/drivers/char/drm/drm_agpsupport.c
index fabc930c67a2..40bfd9b01e39 100644
--- a/drivers/char/drm/drm_agpsupport.c
+++ b/drivers/char/drm/drm_agpsupport.c
@@ -503,8 +503,6 @@ int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start)
503 return agp_bind_memory(handle, start); 503 return agp_bind_memory(handle, start);
504} 504}
505 505
506EXPORT_SYMBOL(drm_agp_bind_memory);
507
508/** Calls agp_unbind_memory() */ 506/** Calls agp_unbind_memory() */
509int drm_agp_unbind_memory(DRM_AGP_MEM * handle) 507int drm_agp_unbind_memory(DRM_AGP_MEM * handle)
510{ 508{
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index 8a9cf12e6183..006b06d29727 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -386,7 +386,6 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map)
386 386
387 return 0; 387 return 0;
388} 388}
389EXPORT_SYMBOL(drm_rmmap_locked);
390 389
391int drm_rmmap(drm_device_t *dev, drm_local_map_t *map) 390int drm_rmmap(drm_device_t *dev, drm_local_map_t *map)
392{ 391{
@@ -398,7 +397,6 @@ int drm_rmmap(drm_device_t *dev, drm_local_map_t *map)
398 397
399 return ret; 398 return ret;
400} 399}
401EXPORT_SYMBOL(drm_rmmap);
402 400
403/* The rmmap ioctl appears to be unnecessary. All mappings are torn down on 401/* The rmmap ioctl appears to be unnecessary. All mappings are torn down on
404 * the last close of the device, and this is necessary for cleanup when things 402 * the last close of the device, and this is necessary for cleanup when things
@@ -1053,7 +1051,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
1053 return 0; 1051 return 0;
1054} 1052}
1055 1053
1056int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) 1054static int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
1057{ 1055{
1058 drm_device_dma_t *dma = dev->dma; 1056 drm_device_dma_t *dma = dev->dma;
1059 drm_buf_entry_t *entry; 1057 drm_buf_entry_t *entry;
@@ -1212,7 +1210,6 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
1212 atomic_dec(&dev->buf_alloc); 1210 atomic_dec(&dev->buf_alloc);
1213 return 0; 1211 return 0;
1214} 1212}
1215EXPORT_SYMBOL(drm_addbufs_fb);
1216 1213
1217 1214
1218/** 1215/**
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
index dc6bbe8a18dc..3c0b882a8e72 100644
--- a/drivers/char/drm/drm_drv.c
+++ b/drivers/char/drm/drm_drv.c
@@ -75,8 +75,8 @@ static drm_ioctl_desc_t drm_ioctls[] = {
75 [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = {drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, 75 [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = {drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
76 [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = {drm_getsareactx, DRM_AUTH}, 76 [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = {drm_getsareactx, DRM_AUTH},
77 77
78 [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = {drm_addctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, 78 [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = {drm_addctx, DRM_AUTH|DRM_ROOT_ONLY},
79 [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = {drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, 79 [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = {drm_rmctx, DRM_AUTH|DRM_ROOT_ONLY},
80 [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = {drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, 80 [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = {drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
81 [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = {drm_getctx, DRM_AUTH}, 81 [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = {drm_getctx, DRM_AUTH},
82 [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = {drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, 82 [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = {drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c
index dddf8de66143..7e3318e1d1c6 100644
--- a/drivers/char/drm/drm_memory.c
+++ b/drivers/char/drm/drm_memory.c
@@ -80,6 +80,71 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area)
80} 80}
81 81
82#if __OS_HAS_AGP 82#if __OS_HAS_AGP
83/*
84 * Find the drm_map that covers the range [offset, offset+size).
85 */
86static drm_map_t *drm_lookup_map(unsigned long offset,
87 unsigned long size, drm_device_t * dev)
88{
89 struct list_head *list;
90 drm_map_list_t *r_list;
91 drm_map_t *map;
92
93 list_for_each(list, &dev->maplist->head) {
94 r_list = (drm_map_list_t *) list;
95 map = r_list->map;
96 if (!map)
97 continue;
98 if (map->offset <= offset
99 && (offset + size) <= (map->offset + map->size))
100 return map;
101 }
102 return NULL;
103}
104
105static void *agp_remap(unsigned long offset, unsigned long size,
106 drm_device_t * dev)
107{
108 unsigned long *phys_addr_map, i, num_pages =
109 PAGE_ALIGN(size) / PAGE_SIZE;
110 struct drm_agp_mem *agpmem;
111 struct page **page_map;
112 void *addr;
113
114 size = PAGE_ALIGN(size);
115
116#ifdef __alpha__
117 offset -= dev->hose->mem_space->start;
118#endif
119
120 for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next)
121 if (agpmem->bound <= offset
122 && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >=
123 (offset + size))
124 break;
125 if (!agpmem)
126 return NULL;
127
128 /*
129 * OK, we're mapping AGP space on a chipset/platform on which memory accesses by
130 * the CPU do not get remapped by the GART. We fix this by using the kernel's
131 * page-table instead (that's probably faster anyhow...).
132 */
133 /* note: use vmalloc() because num_pages could be large... */
134 page_map = vmalloc(num_pages * sizeof(struct page *));
135 if (!page_map)
136 return NULL;
137
138 phys_addr_map =
139 agpmem->memory->memory + (offset - agpmem->bound) / PAGE_SIZE;
140 for (i = 0; i < num_pages; ++i)
141 page_map[i] = pfn_to_page(phys_addr_map[i] >> PAGE_SHIFT);
142 addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP);
143 vfree(page_map);
144
145 return addr;
146}
147
83/** Wrapper around agp_allocate_memory() */ 148/** Wrapper around agp_allocate_memory() */
84DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type) 149DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type)
85{ 150{
@@ -103,5 +168,74 @@ int drm_unbind_agp(DRM_AGP_MEM * handle)
103{ 168{
104 return drm_agp_unbind_memory(handle); 169 return drm_agp_unbind_memory(handle);
105} 170}
171
172#else /* __OS_HAS_AGP */
173
174static inline drm_map_t *drm_lookup_map(unsigned long offset,
175 unsigned long size, drm_device_t * dev)
176{
177 return NULL;
178}
179
180static inline void *agp_remap(unsigned long offset, unsigned long size,
181 drm_device_t * dev)
182{
183 return NULL;
184}
185
106#endif /* agp */ 186#endif /* agp */
187
188void *drm_ioremap(unsigned long offset, unsigned long size,
189 drm_device_t * dev)
190{
191 if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) {
192 drm_map_t *map = drm_lookup_map(offset, size, dev);
193
194 if (map && map->type == _DRM_AGP)
195 return agp_remap(offset, size, dev);
196 }
197 return ioremap(offset, size);
198}
199EXPORT_SYMBOL(drm_ioremap);
200
201#if 0
202void *drm_ioremap_nocache(unsigned long offset,
203 unsigned long size, drm_device_t * dev)
204{
205 if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) {
206 drm_map_t *map = drm_lookup_map(offset, size, dev);
207
208 if (map && map->type == _DRM_AGP)
209 return agp_remap(offset, size, dev);
210 }
211 return ioremap_nocache(offset, size);
212}
213#endif /* 0 */
214
215void drm_ioremapfree(void *pt, unsigned long size,
216 drm_device_t * dev)
217{
218 /*
219 * This is a bit ugly. It would be much cleaner if the DRM API would use separate
220 * routines for handling mappings in the AGP space. Hopefully this can be done in
221 * a future revision of the interface...
222 */
223 if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture
224 && ((unsigned long)pt >= VMALLOC_START
225 && (unsigned long)pt < VMALLOC_END)) {
226 unsigned long offset;
227 drm_map_t *map;
228
229 offset = drm_follow_page(pt) | ((unsigned long)pt & ~PAGE_MASK);
230 map = drm_lookup_map(offset, size, dev);
231 if (map && map->type == _DRM_AGP) {
232 vunmap(pt);
233 return;
234 }
235 }
236
237 iounmap(pt);
238}
239EXPORT_SYMBOL(drm_ioremapfree);
240
107#endif /* debug_memory */ 241#endif /* debug_memory */
diff --git a/drivers/char/drm/drm_memory.h b/drivers/char/drm/drm_memory.h
index 3732a61c3762..714d9aedcff5 100644
--- a/drivers/char/drm/drm_memory.h
+++ b/drivers/char/drm/drm_memory.h
@@ -57,71 +57,6 @@
57# endif 57# endif
58#endif 58#endif
59 59
60/*
61 * Find the drm_map that covers the range [offset, offset+size).
62 */
63static inline drm_map_t *drm_lookup_map(unsigned long offset,
64 unsigned long size, drm_device_t * dev)
65{
66 struct list_head *list;
67 drm_map_list_t *r_list;
68 drm_map_t *map;
69
70 list_for_each(list, &dev->maplist->head) {
71 r_list = (drm_map_list_t *) list;
72 map = r_list->map;
73 if (!map)
74 continue;
75 if (map->offset <= offset
76 && (offset + size) <= (map->offset + map->size))
77 return map;
78 }
79 return NULL;
80}
81
82static inline void *agp_remap(unsigned long offset, unsigned long size,
83 drm_device_t * dev)
84{
85 unsigned long *phys_addr_map, i, num_pages =
86 PAGE_ALIGN(size) / PAGE_SIZE;
87 struct drm_agp_mem *agpmem;
88 struct page **page_map;
89 void *addr;
90
91 size = PAGE_ALIGN(size);
92
93#ifdef __alpha__
94 offset -= dev->hose->mem_space->start;
95#endif
96
97 for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next)
98 if (agpmem->bound <= offset
99 && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >=
100 (offset + size))
101 break;
102 if (!agpmem)
103 return NULL;
104
105 /*
106 * OK, we're mapping AGP space on a chipset/platform on which memory accesses by
107 * the CPU do not get remapped by the GART. We fix this by using the kernel's
108 * page-table instead (that's probably faster anyhow...).
109 */
110 /* note: use vmalloc() because num_pages could be large... */
111 page_map = vmalloc(num_pages * sizeof(struct page *));
112 if (!page_map)
113 return NULL;
114
115 phys_addr_map =
116 agpmem->memory->memory + (offset - agpmem->bound) / PAGE_SIZE;
117 for (i = 0; i < num_pages; ++i)
118 page_map[i] = pfn_to_page(phys_addr_map[i] >> PAGE_SHIFT);
119 addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP);
120 vfree(page_map);
121
122 return addr;
123}
124
125static inline unsigned long drm_follow_page(void *vaddr) 60static inline unsigned long drm_follow_page(void *vaddr)
126{ 61{
127 pgd_t *pgd = pgd_offset_k((unsigned long)vaddr); 62 pgd_t *pgd = pgd_offset_k((unsigned long)vaddr);
@@ -133,18 +68,6 @@ static inline unsigned long drm_follow_page(void *vaddr)
133 68
134#else /* __OS_HAS_AGP */ 69#else /* __OS_HAS_AGP */
135 70
136static inline drm_map_t *drm_lookup_map(unsigned long offset,
137 unsigned long size, drm_device_t * dev)
138{
139 return NULL;
140}
141
142static inline void *agp_remap(unsigned long offset, unsigned long size,
143 drm_device_t * dev)
144{
145 return NULL;
146}
147
148static inline unsigned long drm_follow_page(void *vaddr) 71static inline unsigned long drm_follow_page(void *vaddr)
149{ 72{
150 return 0; 73 return 0;
@@ -152,51 +75,8 @@ static inline unsigned long drm_follow_page(void *vaddr)
152 75
153#endif 76#endif
154 77
155static inline void *drm_ioremap(unsigned long offset, unsigned long size, 78void *drm_ioremap(unsigned long offset, unsigned long size,
156 drm_device_t * dev) 79 drm_device_t * dev);
157{
158 if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) {
159 drm_map_t *map = drm_lookup_map(offset, size, dev);
160
161 if (map && map->type == _DRM_AGP)
162 return agp_remap(offset, size, dev);
163 }
164 return ioremap(offset, size);
165}
166
167static inline void *drm_ioremap_nocache(unsigned long offset,
168 unsigned long size, drm_device_t * dev)
169{
170 if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) {
171 drm_map_t *map = drm_lookup_map(offset, size, dev);
172
173 if (map && map->type == _DRM_AGP)
174 return agp_remap(offset, size, dev);
175 }
176 return ioremap_nocache(offset, size);
177}
178
179static inline void drm_ioremapfree(void *pt, unsigned long size,
180 drm_device_t * dev)
181{
182 /*
183 * This is a bit ugly. It would be much cleaner if the DRM API would use separate
184 * routines for handling mappings in the AGP space. Hopefully this can be done in
185 * a future revision of the interface...
186 */
187 if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture
188 && ((unsigned long)pt >= VMALLOC_START
189 && (unsigned long)pt < VMALLOC_END)) {
190 unsigned long offset;
191 drm_map_t *map;
192
193 offset = drm_follow_page(pt) | ((unsigned long)pt & ~PAGE_MASK);
194 map = drm_lookup_map(offset, size, dev);
195 if (map && map->type == _DRM_AGP) {
196 vunmap(pt);
197 return;
198 }
199 }
200 80
201 iounmap(pt); 81void drm_ioremapfree(void *pt, unsigned long size,
202} 82 drm_device_t * dev);
diff --git a/drivers/char/drm/drm_memory_debug.h b/drivers/char/drm/drm_memory_debug.h
index 7868341817da..6543b9a14c42 100644
--- a/drivers/char/drm/drm_memory_debug.h
+++ b/drivers/char/drm/drm_memory_debug.h
@@ -229,6 +229,7 @@ void *drm_ioremap (unsigned long offset, unsigned long size,
229 return pt; 229 return pt;
230} 230}
231 231
232#if 0
232void *drm_ioremap_nocache (unsigned long offset, unsigned long size, 233void *drm_ioremap_nocache (unsigned long offset, unsigned long size,
233 drm_device_t * dev) { 234 drm_device_t * dev) {
234 void *pt; 235 void *pt;
@@ -251,6 +252,7 @@ void *drm_ioremap_nocache (unsigned long offset, unsigned long size,
251 spin_unlock(&drm_mem_lock); 252 spin_unlock(&drm_mem_lock);
252 return pt; 253 return pt;
253} 254}
255#endif /* 0 */
254 256
255void drm_ioremapfree (void *pt, unsigned long size, drm_device_t * dev) { 257void drm_ioremapfree (void *pt, unsigned long size, drm_device_t * dev) {
256 int alloc_count; 258 int alloc_count;
diff --git a/drivers/char/drm/drm_pci.c b/drivers/char/drm/drm_pci.c
index b28ca9cea8a2..86a0f1c22091 100644
--- a/drivers/char/drm/drm_pci.c
+++ b/drivers/char/drm/drm_pci.c
@@ -37,6 +37,7 @@
37 */ 37 */
38 38
39#include <linux/pci.h> 39#include <linux/pci.h>
40#include <linux/dma-mapping.h>
40#include "drmP.h" 41#include "drmP.h"
41 42
42/**********************************************************************/ 43/**********************************************************************/
diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c
index 68073e14fdec..9a842a36bb27 100644
--- a/drivers/char/drm/drm_stub.c
+++ b/drivers/char/drm/drm_stub.c
@@ -229,8 +229,6 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
229 return ret; 229 return ret;
230} 230}
231 231
232EXPORT_SYMBOL(drm_get_dev);
233
234/** 232/**
235 * Put a device minor number. 233 * Put a device minor number.
236 * 234 *
diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c
index b108c7f913b2..26bdf2ca59d7 100644
--- a/drivers/char/drm/r300_cmdbuf.c
+++ b/drivers/char/drm/r300_cmdbuf.c
@@ -723,7 +723,7 @@ static int r300_scratch(drm_radeon_private_t *dev_priv,
723 723
724 dev_priv->scratch_ages[header.scratch.reg]++; 724 dev_priv->scratch_ages[header.scratch.reg]++;
725 725
726 ref_age_base = *(u32 **)cmdbuf->buf; 726 ref_age_base = (u32 *)(unsigned long)*((uint64_t *)cmdbuf->buf);
727 727
728 cmdbuf->buf += sizeof(u64); 728 cmdbuf->buf += sizeof(u64);
729 cmdbuf->bufsz -= sizeof(u64); 729 cmdbuf->bufsz -= sizeof(u64);
diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c
index 6152415644e9..c33d068cde19 100644
--- a/drivers/char/drm/via_irq.c
+++ b/drivers/char/drm/via_irq.c
@@ -196,9 +196,9 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
196{ 196{
197 drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; 197 drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
198 unsigned int cur_irq_sequence; 198 unsigned int cur_irq_sequence;
199 drm_via_irq_t *cur_irq = dev_priv->via_irqs; 199 drm_via_irq_t *cur_irq;
200 int ret = 0; 200 int ret = 0;
201 maskarray_t *masks = dev_priv->irq_masks; 201 maskarray_t *masks;
202 int real_irq; 202 int real_irq;
203 203
204 DRM_DEBUG("%s\n", __FUNCTION__); 204 DRM_DEBUG("%s\n", __FUNCTION__);
@@ -221,8 +221,9 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
221 __FUNCTION__, irq); 221 __FUNCTION__, irq);
222 return DRM_ERR(EINVAL); 222 return DRM_ERR(EINVAL);
223 } 223 }
224 224
225 cur_irq += real_irq; 225 masks = dev_priv->irq_masks;
226 cur_irq = dev_priv->via_irqs + real_irq;
226 227
227 if (masks[real_irq][2] && !force_sequence) { 228 if (masks[real_irq][2] && !force_sequence) {
228 DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ, 229 DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
@@ -247,11 +248,12 @@ void via_driver_irq_preinstall(drm_device_t * dev)
247{ 248{
248 drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; 249 drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
249 u32 status; 250 u32 status;
250 drm_via_irq_t *cur_irq = dev_priv->via_irqs; 251 drm_via_irq_t *cur_irq;
251 int i; 252 int i;
252 253
253 DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv); 254 DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv);
254 if (dev_priv) { 255 if (dev_priv) {
256 cur_irq = dev_priv->via_irqs;
255 257
256 dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE; 258 dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE;
257 dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING; 259 dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING;
diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c
index a229915ce1b2..87dcaa237f07 100644
--- a/drivers/char/dtlk.c
+++ b/drivers/char/dtlk.c
@@ -490,7 +490,7 @@ for (i = 0; i < 10; i++) \
490 release_region(dtlk_portlist[i], DTLK_IO_EXTENT); 490 release_region(dtlk_portlist[i], DTLK_IO_EXTENT);
491 } 491 }
492 492
493 printk(KERN_INFO "\nDoubleTalk PC - not found\n"); 493 printk(KERN_INFO "DoubleTalk PC - not found\n");
494 return -ENODEV; 494 return -ENODEV;
495} 495}
496 496
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c
index 327b00c3c45e..8d97b3911293 100644
--- a/drivers/char/hvcs.c
+++ b/drivers/char/hvcs.c
@@ -904,7 +904,7 @@ static int hvcs_enable_device(struct hvcs_struct *hvcsd, uint32_t unit_address,
904 * It is possible the vty-server was removed after the irq was 904 * It is possible the vty-server was removed after the irq was
905 * requested but before we have time to enable interrupts. 905 * requested but before we have time to enable interrupts.
906 */ 906 */
907 if (vio_enable_interrupts(vdev) == H_Success) 907 if (vio_enable_interrupts(vdev) == H_SUCCESS)
908 return 0; 908 return 0;
909 else { 909 else {
910 printk(KERN_ERR "HVCS: int enable failed for" 910 printk(KERN_ERR "HVCS: int enable failed for"
diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index 58dcdee1cd71..0030cd8e2e95 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -165,7 +165,7 @@ static int bt_start_transaction(struct si_sm_data *bt,
165{ 165{
166 unsigned int i; 166 unsigned int i;
167 167
168 if ((size < 2) || (size > IPMI_MAX_MSG_LENGTH)) 168 if ((size < 2) || (size > (IPMI_MAX_MSG_LENGTH - 2)))
169 return -1; 169 return -1;
170 170
171 if ((bt->state != BT_STATE_IDLE) && (bt->state != BT_STATE_HOSED)) 171 if ((bt->state != BT_STATE_IDLE) && (bt->state != BT_STATE_HOSED))
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 0ded046d5aa8..9f2f8fdec69a 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -941,6 +941,7 @@ int ipmi_set_gets_events(ipmi_user_t user, int val)
941 list_del(&msg->link); 941 list_del(&msg->link);
942 list_add_tail(&msg->link, &msgs); 942 list_add_tail(&msg->link, &msgs);
943 } 943 }
944 intf->waiting_events_count = 0;
944 } 945 }
945 946
946 /* Hold the events lock while doing this to preserve order. */ 947 /* Hold the events lock while doing this to preserve order. */
@@ -2916,6 +2917,7 @@ static int handle_read_event_rsp(ipmi_smi_t intf,
2916 2917
2917 copy_event_into_recv_msg(recv_msg, msg); 2918 copy_event_into_recv_msg(recv_msg, msg);
2918 list_add_tail(&(recv_msg->link), &(intf->waiting_events)); 2919 list_add_tail(&(recv_msg->link), &(intf->waiting_events));
2920 intf->waiting_events_count++;
2919 } else { 2921 } else {
2920 /* There's too many things in the queue, discard this 2922 /* There's too many things in the queue, discard this
2921 message. */ 2923 message. */
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index a86c0f29953e..b36eef0e9d19 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2198,11 +2198,11 @@ static inline void wait_for_timer_and_thread(struct smi_info *smi_info)
2198 } 2198 }
2199} 2199}
2200 2200
2201static struct ipmi_default_vals 2201static __devinitdata struct ipmi_default_vals
2202{ 2202{
2203 int type; 2203 int type;
2204 int port; 2204 int port;
2205} __devinit ipmi_defaults[] = 2205} ipmi_defaults[] =
2206{ 2206{
2207 { .type = SI_KCS, .port = 0xca2 }, 2207 { .type = SI_KCS, .port = 0xca2 },
2208 { .type = SI_SMIC, .port = 0xca9 }, 2208 { .type = SI_SMIC, .port = 0xca9 },
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 66719f9d294c..1fa9fa157c12 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -27,6 +27,7 @@
27#include <linux/crash_dump.h> 27#include <linux/crash_dump.h>
28#include <linux/backing-dev.h> 28#include <linux/backing-dev.h>
29#include <linux/bootmem.h> 29#include <linux/bootmem.h>
30#include <linux/pipe_fs_i.h>
30 31
31#include <asm/uaccess.h> 32#include <asm/uaccess.h>
32#include <asm/io.h> 33#include <asm/io.h>
@@ -578,6 +579,18 @@ static ssize_t write_null(struct file * file, const char __user * buf,
578 return count; 579 return count;
579} 580}
580 581
582static int pipe_to_null(struct pipe_inode_info *info, struct pipe_buffer *buf,
583 struct splice_desc *sd)
584{
585 return sd->len;
586}
587
588static ssize_t splice_write_null(struct pipe_inode_info *pipe,struct file *out,
589 loff_t *ppos, size_t len, unsigned int flags)
590{
591 return splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_null);
592}
593
581#ifdef CONFIG_MMU 594#ifdef CONFIG_MMU
582/* 595/*
583 * For fun, we are using the MMU for this. 596 * For fun, we are using the MMU for this.
@@ -785,6 +798,7 @@ static struct file_operations null_fops = {
785 .llseek = null_lseek, 798 .llseek = null_lseek,
786 .read = read_null, 799 .read = read_null,
787 .write = write_null, 800 .write = write_null,
801 .splice_write = splice_write_null,
788}; 802};
789 803
790#if defined(CONFIG_ISA) || !defined(__mc68000__) 804#if defined(CONFIG_ISA) || !defined(__mc68000__)
diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c
index 8666171e187b..d3ba2f860ef0 100644
--- a/drivers/char/mwave/mwavedd.c
+++ b/drivers/char/mwave/mwavedd.c
@@ -271,7 +271,7 @@ static int mwave_ioctl(struct inode *inode, struct file *file,
271 ipcnum, 271 ipcnum,
272 pDrvData->IPCs[ipcnum].usIntCount); 272 pDrvData->IPCs[ipcnum].usIntCount);
273 273
274 if (ipcnum > ARRAY_SIZE(pDrvData->IPCs)) { 274 if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) {
275 PRINTK_ERROR(KERN_ERR_MWAVE 275 PRINTK_ERROR(KERN_ERR_MWAVE
276 "mwavedd::mwave_ioctl:" 276 "mwavedd::mwave_ioctl:"
277 " IOCTL_MW_REGISTER_IPC:" 277 " IOCTL_MW_REGISTER_IPC:"
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 5fdf18515433..02114a0bd0d9 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -46,7 +46,7 @@
46/* #define ATR_CSUM */ 46/* #define ATR_CSUM */
47 47
48#ifdef PCMCIA_DEBUG 48#ifdef PCMCIA_DEBUG
49#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) 49#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle))
50static int pc_debug = PCMCIA_DEBUG; 50static int pc_debug = PCMCIA_DEBUG;
51module_param(pc_debug, int, 0600); 51module_param(pc_debug, int, 0600);
52#define DEBUGP(n, rdr, x, args...) do { \ 52#define DEBUGP(n, rdr, x, args...) do { \
@@ -67,7 +67,7 @@ static char *version = "cm4000_cs.c v2.4.0gm6 - All bugs added by Harald Welte";
67#define T_100MSEC msecs_to_jiffies(100) 67#define T_100MSEC msecs_to_jiffies(100)
68#define T_500MSEC msecs_to_jiffies(500) 68#define T_500MSEC msecs_to_jiffies(500)
69 69
70static void cm4000_release(dev_link_t *link); 70static void cm4000_release(struct pcmcia_device *link);
71 71
72static int major; /* major number we get from the kernel */ 72static int major; /* major number we get from the kernel */
73 73
@@ -106,7 +106,7 @@ static int major; /* major number we get from the kernel */
106#define REG_STOPBITS(x) (x + 7) 106#define REG_STOPBITS(x) (x + 7)
107 107
108struct cm4000_dev { 108struct cm4000_dev {
109 dev_link_t link; /* pcmcia link */ 109 struct pcmcia_device *p_dev;
110 dev_node_t node; /* OS node (major,minor) */ 110 dev_node_t node; /* OS node (major,minor) */
111 111
112 unsigned char atr[MAX_ATR]; 112 unsigned char atr[MAX_ATR];
@@ -149,14 +149,14 @@ struct cm4000_dev {
149#define ZERO_DEV(dev) \ 149#define ZERO_DEV(dev) \
150 memset(&dev->atr_csum,0, \ 150 memset(&dev->atr_csum,0, \
151 sizeof(struct cm4000_dev) - \ 151 sizeof(struct cm4000_dev) - \
152 /*link*/ sizeof(dev_link_t) - \ 152 /*link*/ sizeof(struct pcmcia_device) - \
153 /*node*/ sizeof(dev_node_t) - \ 153 /*node*/ sizeof(dev_node_t) - \
154 /*atr*/ MAX_ATR*sizeof(char) - \ 154 /*atr*/ MAX_ATR*sizeof(char) - \
155 /*rbuf*/ 512*sizeof(char) - \ 155 /*rbuf*/ 512*sizeof(char) - \
156 /*sbuf*/ 512*sizeof(char) - \ 156 /*sbuf*/ 512*sizeof(char) - \
157 /*queue*/ 4*sizeof(wait_queue_head_t)) 157 /*queue*/ 4*sizeof(wait_queue_head_t))
158 158
159static dev_link_t *dev_table[CM4000_MAX_DEV]; 159static struct pcmcia_device *dev_table[CM4000_MAX_DEV];
160static struct class *cmm_class; 160static struct class *cmm_class;
161 161
162/* This table doesn't use spaces after the comma between fields and thus 162/* This table doesn't use spaces after the comma between fields and thus
@@ -454,7 +454,7 @@ static struct card_fixup card_fixups[] = {
454static void set_cardparameter(struct cm4000_dev *dev) 454static void set_cardparameter(struct cm4000_dev *dev)
455{ 455{
456 int i; 456 int i;
457 ioaddr_t iobase = dev->link.io.BasePort1; 457 ioaddr_t iobase = dev->p_dev->io.BasePort1;
458 u_int8_t stopbits = 0x02; /* ISO default */ 458 u_int8_t stopbits = 0x02; /* ISO default */
459 459
460 DEBUGP(3, dev, "-> set_cardparameter\n"); 460 DEBUGP(3, dev, "-> set_cardparameter\n");
@@ -487,7 +487,7 @@ static int set_protocol(struct cm4000_dev *dev, struct ptsreq *ptsreq)
487 unsigned short num_bytes_read; 487 unsigned short num_bytes_read;
488 unsigned char pts_reply[4]; 488 unsigned char pts_reply[4];
489 ssize_t rc; 489 ssize_t rc;
490 ioaddr_t iobase = dev->link.io.BasePort1; 490 ioaddr_t iobase = dev->p_dev->io.BasePort1;
491 491
492 rc = 0; 492 rc = 0;
493 493
@@ -699,7 +699,7 @@ static void terminate_monitor(struct cm4000_dev *dev)
699static void monitor_card(unsigned long p) 699static void monitor_card(unsigned long p)
700{ 700{
701 struct cm4000_dev *dev = (struct cm4000_dev *) p; 701 struct cm4000_dev *dev = (struct cm4000_dev *) p;
702 ioaddr_t iobase = dev->link.io.BasePort1; 702 ioaddr_t iobase = dev->p_dev->io.BasePort1;
703 unsigned short s; 703 unsigned short s;
704 struct ptsreq ptsreq; 704 struct ptsreq ptsreq;
705 int i, atrc; 705 int i, atrc;
@@ -962,7 +962,7 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count,
962 loff_t *ppos) 962 loff_t *ppos)
963{ 963{
964 struct cm4000_dev *dev = filp->private_data; 964 struct cm4000_dev *dev = filp->private_data;
965 ioaddr_t iobase = dev->link.io.BasePort1; 965 ioaddr_t iobase = dev->p_dev->io.BasePort1;
966 ssize_t rc; 966 ssize_t rc;
967 int i, j, k; 967 int i, j, k;
968 968
@@ -971,7 +971,7 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count,
971 if (count == 0) /* according to manpage */ 971 if (count == 0) /* according to manpage */
972 return 0; 972 return 0;
973 973
974 if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */ 974 if (!pcmcia_dev_present(dev->p_dev) || /* device removed */
975 test_bit(IS_CMM_ABSENT, &dev->flags)) 975 test_bit(IS_CMM_ABSENT, &dev->flags))
976 return -ENODEV; 976 return -ENODEV;
977 977
@@ -1083,7 +1083,7 @@ static ssize_t cmm_write(struct file *filp, const char __user *buf,
1083 size_t count, loff_t *ppos) 1083 size_t count, loff_t *ppos)
1084{ 1084{
1085 struct cm4000_dev *dev = (struct cm4000_dev *) filp->private_data; 1085 struct cm4000_dev *dev = (struct cm4000_dev *) filp->private_data;
1086 ioaddr_t iobase = dev->link.io.BasePort1; 1086 ioaddr_t iobase = dev->p_dev->io.BasePort1;
1087 unsigned short s; 1087 unsigned short s;
1088 unsigned char tmp; 1088 unsigned char tmp;
1089 unsigned char infolen; 1089 unsigned char infolen;
@@ -1108,7 +1108,7 @@ static ssize_t cmm_write(struct file *filp, const char __user *buf,
1108 1108
1109 sendT0 = dev->proto ? 0 : nr > 5 ? 0x08 : 0; 1109 sendT0 = dev->proto ? 0 : nr > 5 ? 0x08 : 0;
1110 1110
1111 if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */ 1111 if (!pcmcia_dev_present(dev->p_dev) || /* device removed */
1112 test_bit(IS_CMM_ABSENT, &dev->flags)) 1112 test_bit(IS_CMM_ABSENT, &dev->flags))
1113 return -ENODEV; 1113 return -ENODEV;
1114 1114
@@ -1440,8 +1440,8 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1440 unsigned long arg) 1440 unsigned long arg)
1441{ 1441{
1442 struct cm4000_dev *dev = filp->private_data; 1442 struct cm4000_dev *dev = filp->private_data;
1443 ioaddr_t iobase = dev->link.io.BasePort1; 1443 ioaddr_t iobase = dev->p_dev->io.BasePort1;
1444 dev_link_t *link; 1444 struct pcmcia_device *link;
1445 int size; 1445 int size;
1446 int rc; 1446 int rc;
1447 void __user *argp = (void __user *)arg; 1447 void __user *argp = (void __user *)arg;
@@ -1458,7 +1458,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1458 iminor(inode), ioctl_names[_IOC_NR(cmd)]); 1458 iminor(inode), ioctl_names[_IOC_NR(cmd)]);
1459 1459
1460 link = dev_table[iminor(inode)]; 1460 link = dev_table[iminor(inode)];
1461 if (!(DEV_OK(link))) { 1461 if (!pcmcia_dev_present(link)) {
1462 DEBUGP(4, dev, "DEV_OK false\n"); 1462 DEBUGP(4, dev, "DEV_OK false\n");
1463 return -ENODEV; 1463 return -ENODEV;
1464 } 1464 }
@@ -1660,14 +1660,14 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1660static int cmm_open(struct inode *inode, struct file *filp) 1660static int cmm_open(struct inode *inode, struct file *filp)
1661{ 1661{
1662 struct cm4000_dev *dev; 1662 struct cm4000_dev *dev;
1663 dev_link_t *link; 1663 struct pcmcia_device *link;
1664 int rc, minor = iminor(inode); 1664 int rc, minor = iminor(inode);
1665 1665
1666 if (minor >= CM4000_MAX_DEV) 1666 if (minor >= CM4000_MAX_DEV)
1667 return -ENODEV; 1667 return -ENODEV;
1668 1668
1669 link = dev_table[minor]; 1669 link = dev_table[minor];
1670 if (link == NULL || !(DEV_OK(link))) 1670 if (link == NULL || !pcmcia_dev_present(link))
1671 return -ENODEV; 1671 return -ENODEV;
1672 1672
1673 if (link->open) 1673 if (link->open)
@@ -1709,7 +1709,7 @@ static int cmm_open(struct inode *inode, struct file *filp)
1709static int cmm_close(struct inode *inode, struct file *filp) 1709static int cmm_close(struct inode *inode, struct file *filp)
1710{ 1710{
1711 struct cm4000_dev *dev; 1711 struct cm4000_dev *dev;
1712 dev_link_t *link; 1712 struct pcmcia_device *link;
1713 int minor = iminor(inode); 1713 int minor = iminor(inode);
1714 1714
1715 if (minor >= CM4000_MAX_DEV) 1715 if (minor >= CM4000_MAX_DEV)
@@ -1735,7 +1735,7 @@ static int cmm_close(struct inode *inode, struct file *filp)
1735 return 0; 1735 return 0;
1736} 1736}
1737 1737
1738static void cmm_cm4000_release(dev_link_t * link) 1738static void cmm_cm4000_release(struct pcmcia_device * link)
1739{ 1739{
1740 struct cm4000_dev *dev = link->priv; 1740 struct cm4000_dev *dev = link->priv;
1741 1741
@@ -1759,13 +1759,11 @@ static void cmm_cm4000_release(dev_link_t * link)
1759 1759
1760/*==== Interface to PCMCIA Layer =======================================*/ 1760/*==== Interface to PCMCIA Layer =======================================*/
1761 1761
1762static void cm4000_config(dev_link_t * link, int devno) 1762static int cm4000_config(struct pcmcia_device * link, int devno)
1763{ 1763{
1764 client_handle_t handle = link->handle;
1765 struct cm4000_dev *dev; 1764 struct cm4000_dev *dev;
1766 tuple_t tuple; 1765 tuple_t tuple;
1767 cisparse_t parse; 1766 cisparse_t parse;
1768 config_info_t conf;
1769 u_char buf[64]; 1767 u_char buf[64];
1770 int fail_fn, fail_rc; 1768 int fail_fn, fail_rc;
1771 int rc; 1769 int rc;
@@ -1777,41 +1775,34 @@ static void cm4000_config(dev_link_t * link, int devno)
1777 tuple.TupleDataMax = sizeof(buf); 1775 tuple.TupleDataMax = sizeof(buf);
1778 tuple.TupleOffset = 0; 1776 tuple.TupleOffset = 0;
1779 1777
1780 if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { 1778 if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) {
1781 fail_fn = GetFirstTuple; 1779 fail_fn = GetFirstTuple;
1782 goto cs_failed; 1780 goto cs_failed;
1783 } 1781 }
1784 if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { 1782 if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) {
1785 fail_fn = GetTupleData; 1783 fail_fn = GetTupleData;
1786 goto cs_failed; 1784 goto cs_failed;
1787 } 1785 }
1788 if ((fail_rc = 1786 if ((fail_rc =
1789 pcmcia_parse_tuple(handle, &tuple, &parse)) != CS_SUCCESS) { 1787 pcmcia_parse_tuple(link, &tuple, &parse)) != CS_SUCCESS) {
1790 fail_fn = ParseTuple; 1788 fail_fn = ParseTuple;
1791 goto cs_failed; 1789 goto cs_failed;
1792 } 1790 }
1793 if ((fail_rc =
1794 pcmcia_get_configuration_info(handle, &conf)) != CS_SUCCESS) {
1795 fail_fn = GetConfigurationInfo;
1796 goto cs_failed;
1797 }
1798 1791
1799 link->state |= DEV_CONFIG;
1800 link->conf.ConfigBase = parse.config.base; 1792 link->conf.ConfigBase = parse.config.base;
1801 link->conf.Present = parse.config.rmask[0]; 1793 link->conf.Present = parse.config.rmask[0];
1802 link->conf.Vcc = conf.Vcc;
1803 1794
1804 link->io.BasePort2 = 0; 1795 link->io.BasePort2 = 0;
1805 link->io.NumPorts2 = 0; 1796 link->io.NumPorts2 = 0;
1806 link->io.Attributes2 = 0; 1797 link->io.Attributes2 = 0;
1807 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 1798 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
1808 for (rc = pcmcia_get_first_tuple(handle, &tuple); 1799 for (rc = pcmcia_get_first_tuple(link, &tuple);
1809 rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(handle, &tuple)) { 1800 rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(link, &tuple)) {
1810 1801
1811 rc = pcmcia_get_tuple_data(handle, &tuple); 1802 rc = pcmcia_get_tuple_data(link, &tuple);
1812 if (rc != CS_SUCCESS) 1803 if (rc != CS_SUCCESS)
1813 continue; 1804 continue;
1814 rc = pcmcia_parse_tuple(handle, &tuple, &parse); 1805 rc = pcmcia_parse_tuple(link, &tuple, &parse);
1815 if (rc != CS_SUCCESS) 1806 if (rc != CS_SUCCESS)
1816 continue; 1807 continue;
1817 1808
@@ -1831,7 +1822,7 @@ static void cm4000_config(dev_link_t * link, int devno)
1831 link->io.IOAddrLines = parse.cftable_entry.io.flags 1822 link->io.IOAddrLines = parse.cftable_entry.io.flags
1832 & CISTPL_IO_LINES_MASK; 1823 & CISTPL_IO_LINES_MASK;
1833 1824
1834 rc = pcmcia_request_io(handle, &link->io); 1825 rc = pcmcia_request_io(link, &link->io);
1835 if (rc == CS_SUCCESS) 1826 if (rc == CS_SUCCESS)
1836 break; /* we are done */ 1827 break; /* we are done */
1837 } 1828 }
@@ -1841,7 +1832,7 @@ static void cm4000_config(dev_link_t * link, int devno)
1841 link->conf.IntType = 00000002; 1832 link->conf.IntType = 00000002;
1842 1833
1843 if ((fail_rc = 1834 if ((fail_rc =
1844 pcmcia_request_configuration(handle, &link->conf)) != CS_SUCCESS) { 1835 pcmcia_request_configuration(link, &link->conf)) != CS_SUCCESS) {
1845 fail_fn = RequestConfiguration; 1836 fail_fn = RequestConfiguration;
1846 goto cs_release; 1837 goto cs_release;
1847 } 1838 }
@@ -1851,63 +1842,48 @@ static void cm4000_config(dev_link_t * link, int devno)
1851 dev->node.major = major; 1842 dev->node.major = major;
1852 dev->node.minor = devno; 1843 dev->node.minor = devno;
1853 dev->node.next = NULL; 1844 dev->node.next = NULL;
1854 link->dev = &dev->node; 1845 link->dev_node = &dev->node;
1855 link->state &= ~DEV_CONFIG_PENDING;
1856 1846
1857 return; 1847 return 0;
1858 1848
1859cs_failed: 1849cs_failed:
1860 cs_error(handle, fail_fn, fail_rc); 1850 cs_error(link, fail_fn, fail_rc);
1861cs_release: 1851cs_release:
1862 cm4000_release(link); 1852 cm4000_release(link);
1863 1853 return -ENODEV;
1864 link->state &= ~DEV_CONFIG_PENDING;
1865} 1854}
1866 1855
1867static int cm4000_suspend(struct pcmcia_device *p_dev) 1856static int cm4000_suspend(struct pcmcia_device *link)
1868{ 1857{
1869 dev_link_t *link = dev_to_instance(p_dev);
1870 struct cm4000_dev *dev; 1858 struct cm4000_dev *dev;
1871 1859
1872 dev = link->priv; 1860 dev = link->priv;
1873
1874 link->state |= DEV_SUSPEND;
1875 if (link->state & DEV_CONFIG)
1876 pcmcia_release_configuration(link->handle);
1877 stop_monitor(dev); 1861 stop_monitor(dev);
1878 1862
1879 return 0; 1863 return 0;
1880} 1864}
1881 1865
1882static int cm4000_resume(struct pcmcia_device *p_dev) 1866static int cm4000_resume(struct pcmcia_device *link)
1883{ 1867{
1884 dev_link_t *link = dev_to_instance(p_dev);
1885 struct cm4000_dev *dev; 1868 struct cm4000_dev *dev;
1886 1869
1887 dev = link->priv; 1870 dev = link->priv;
1888
1889 link->state &= ~DEV_SUSPEND;
1890 if (link->state & DEV_CONFIG)
1891 pcmcia_request_configuration(link->handle, &link->conf);
1892
1893 if (link->open) 1871 if (link->open)
1894 start_monitor(dev); 1872 start_monitor(dev);
1895 1873
1896 return 0; 1874 return 0;
1897} 1875}
1898 1876
1899static void cm4000_release(dev_link_t *link) 1877static void cm4000_release(struct pcmcia_device *link)
1900{ 1878{
1901 cmm_cm4000_release(link->priv); /* delay release until device closed */ 1879 cmm_cm4000_release(link->priv); /* delay release until device closed */
1902 pcmcia_release_configuration(link->handle); 1880 pcmcia_disable_device(link);
1903 pcmcia_release_io(link->handle, &link->io);
1904} 1881}
1905 1882
1906static int cm4000_attach(struct pcmcia_device *p_dev) 1883static int cm4000_probe(struct pcmcia_device *link)
1907{ 1884{
1908 struct cm4000_dev *dev; 1885 struct cm4000_dev *dev;
1909 dev_link_t *link; 1886 int i, ret;
1910 int i;
1911 1887
1912 for (i = 0; i < CM4000_MAX_DEV; i++) 1888 for (i = 0; i < CM4000_MAX_DEV; i++)
1913 if (dev_table[i] == NULL) 1889 if (dev_table[i] == NULL)
@@ -1923,7 +1899,7 @@ static int cm4000_attach(struct pcmcia_device *p_dev)
1923 if (dev == NULL) 1899 if (dev == NULL)
1924 return -ENOMEM; 1900 return -ENOMEM;
1925 1901
1926 link = &dev->link; 1902 dev->p_dev = link;
1927 link->priv = dev; 1903 link->priv = dev;
1928 link->conf.IntType = INT_MEMORY_AND_IO; 1904 link->conf.IntType = INT_MEMORY_AND_IO;
1929 dev_table[i] = link; 1905 dev_table[i] = link;
@@ -1933,11 +1909,9 @@ static int cm4000_attach(struct pcmcia_device *p_dev)
1933 init_waitqueue_head(&dev->atrq); 1909 init_waitqueue_head(&dev->atrq);
1934 init_waitqueue_head(&dev->readq); 1910 init_waitqueue_head(&dev->readq);
1935 1911
1936 link->handle = p_dev; 1912 ret = cm4000_config(link, i);
1937 p_dev->instance = link; 1913 if (ret)
1938 1914 return ret;
1939 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
1940 cm4000_config(link, i);
1941 1915
1942 class_device_create(cmm_class, NULL, MKDEV(major, i), NULL, 1916 class_device_create(cmm_class, NULL, MKDEV(major, i), NULL,
1943 "cmm%d", i); 1917 "cmm%d", i);
@@ -1945,9 +1919,8 @@ static int cm4000_attach(struct pcmcia_device *p_dev)
1945 return 0; 1919 return 0;
1946} 1920}
1947 1921
1948static void cm4000_detach(struct pcmcia_device *p_dev) 1922static void cm4000_detach(struct pcmcia_device *link)
1949{ 1923{
1950 dev_link_t *link = dev_to_instance(p_dev);
1951 struct cm4000_dev *dev = link->priv; 1924 struct cm4000_dev *dev = link->priv;
1952 int devno; 1925 int devno;
1953 1926
@@ -1958,11 +1931,9 @@ static void cm4000_detach(struct pcmcia_device *p_dev)
1958 if (devno == CM4000_MAX_DEV) 1931 if (devno == CM4000_MAX_DEV)
1959 return; 1932 return;
1960 1933
1961 link->state &= ~DEV_PRESENT;
1962 stop_monitor(dev); 1934 stop_monitor(dev);
1963 1935
1964 if (link->state & DEV_CONFIG) 1936 cm4000_release(link);
1965 cm4000_release(link);
1966 1937
1967 dev_table[devno] = NULL; 1938 dev_table[devno] = NULL;
1968 kfree(dev); 1939 kfree(dev);
@@ -1993,7 +1964,7 @@ static struct pcmcia_driver cm4000_driver = {
1993 .drv = { 1964 .drv = {
1994 .name = "cm4000_cs", 1965 .name = "cm4000_cs",
1995 }, 1966 },
1996 .probe = cm4000_attach, 1967 .probe = cm4000_probe,
1997 .remove = cm4000_detach, 1968 .remove = cm4000_detach,
1998 .suspend = cm4000_suspend, 1969 .suspend = cm4000_suspend,
1999 .resume = cm4000_resume, 1970 .resume = cm4000_resume,
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index 466e33bab029..29efa64580a8 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -41,7 +41,7 @@
41 41
42 42
43#ifdef PCMCIA_DEBUG 43#ifdef PCMCIA_DEBUG
44#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) 44#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle))
45static int pc_debug = PCMCIA_DEBUG; 45static int pc_debug = PCMCIA_DEBUG;
46module_param(pc_debug, int, 0600); 46module_param(pc_debug, int, 0600);
47#define DEBUGP(n, rdr, x, args...) do { \ 47#define DEBUGP(n, rdr, x, args...) do { \
@@ -65,7 +65,7 @@ static char *version =
65/* how often to poll for fifo status change */ 65/* how often to poll for fifo status change */
66#define POLL_PERIOD msecs_to_jiffies(10) 66#define POLL_PERIOD msecs_to_jiffies(10)
67 67
68static void reader_release(dev_link_t *link); 68static void reader_release(struct pcmcia_device *link);
69 69
70static int major; 70static int major;
71static struct class *cmx_class; 71static struct class *cmx_class;
@@ -74,7 +74,7 @@ static struct class *cmx_class;
74#define BS_WRITABLE 0x02 74#define BS_WRITABLE 0x02
75 75
76struct reader_dev { 76struct reader_dev {
77 dev_link_t link; 77 struct pcmcia_device *p_dev;
78 dev_node_t node; 78 dev_node_t node;
79 wait_queue_head_t devq; 79 wait_queue_head_t devq;
80 wait_queue_head_t poll_wait; 80 wait_queue_head_t poll_wait;
@@ -87,7 +87,7 @@ struct reader_dev {
87 struct timer_list poll_timer; 87 struct timer_list poll_timer;
88}; 88};
89 89
90static dev_link_t *dev_table[CM_MAX_DEV]; 90static struct pcmcia_device *dev_table[CM_MAX_DEV];
91 91
92#ifndef PCMCIA_DEBUG 92#ifndef PCMCIA_DEBUG
93#define xoutb outb 93#define xoutb outb
@@ -116,7 +116,7 @@ static inline unsigned char xinb(unsigned short port)
116static void cm4040_do_poll(unsigned long dummy) 116static void cm4040_do_poll(unsigned long dummy)
117{ 117{
118 struct reader_dev *dev = (struct reader_dev *) dummy; 118 struct reader_dev *dev = (struct reader_dev *) dummy;
119 unsigned int obs = xinb(dev->link.io.BasePort1 119 unsigned int obs = xinb(dev->p_dev->io.BasePort1
120 + REG_OFFSET_BUFFER_STATUS); 120 + REG_OFFSET_BUFFER_STATUS);
121 121
122 if ((obs & BSR_BULK_IN_FULL)) { 122 if ((obs & BSR_BULK_IN_FULL)) {
@@ -147,7 +147,7 @@ static void cm4040_stop_poll(struct reader_dev *dev)
147static int wait_for_bulk_out_ready(struct reader_dev *dev) 147static int wait_for_bulk_out_ready(struct reader_dev *dev)
148{ 148{
149 int i, rc; 149 int i, rc;
150 int iobase = dev->link.io.BasePort1; 150 int iobase = dev->p_dev->io.BasePort1;
151 151
152 for (i = 0; i < POLL_LOOP_COUNT; i++) { 152 for (i = 0; i < POLL_LOOP_COUNT; i++) {
153 if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) 153 if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS)
@@ -177,7 +177,7 @@ static int wait_for_bulk_out_ready(struct reader_dev *dev)
177/* Write to Sync Control Register */ 177/* Write to Sync Control Register */
178static int write_sync_reg(unsigned char val, struct reader_dev *dev) 178static int write_sync_reg(unsigned char val, struct reader_dev *dev)
179{ 179{
180 int iobase = dev->link.io.BasePort1; 180 int iobase = dev->p_dev->io.BasePort1;
181 int rc; 181 int rc;
182 182
183 rc = wait_for_bulk_out_ready(dev); 183 rc = wait_for_bulk_out_ready(dev);
@@ -195,7 +195,7 @@ static int write_sync_reg(unsigned char val, struct reader_dev *dev)
195static int wait_for_bulk_in_ready(struct reader_dev *dev) 195static int wait_for_bulk_in_ready(struct reader_dev *dev)
196{ 196{
197 int i, rc; 197 int i, rc;
198 int iobase = dev->link.io.BasePort1; 198 int iobase = dev->p_dev->io.BasePort1;
199 199
200 for (i = 0; i < POLL_LOOP_COUNT; i++) { 200 for (i = 0; i < POLL_LOOP_COUNT; i++) {
201 if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) 201 if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS)
@@ -225,7 +225,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf,
225 size_t count, loff_t *ppos) 225 size_t count, loff_t *ppos)
226{ 226{
227 struct reader_dev *dev = filp->private_data; 227 struct reader_dev *dev = filp->private_data;
228 int iobase = dev->link.io.BasePort1; 228 int iobase = dev->p_dev->io.BasePort1;
229 size_t bytes_to_read; 229 size_t bytes_to_read;
230 unsigned long i; 230 unsigned long i;
231 size_t min_bytes_to_read; 231 size_t min_bytes_to_read;
@@ -246,7 +246,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf,
246 return -EAGAIN; 246 return -EAGAIN;
247 } 247 }
248 248
249 if ((dev->link.state & DEV_PRESENT)==0) 249 if (!pcmcia_dev_present(dev->p_dev))
250 return -ENODEV; 250 return -ENODEV;
251 251
252 for (i = 0; i < 5; i++) { 252 for (i = 0; i < 5; i++) {
@@ -328,7 +328,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf,
328 size_t count, loff_t *ppos) 328 size_t count, loff_t *ppos)
329{ 329{
330 struct reader_dev *dev = filp->private_data; 330 struct reader_dev *dev = filp->private_data;
331 int iobase = dev->link.io.BasePort1; 331 int iobase = dev->p_dev->io.BasePort1;
332 ssize_t rc; 332 ssize_t rc;
333 int i; 333 int i;
334 unsigned int bytes_to_write; 334 unsigned int bytes_to_write;
@@ -351,7 +351,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf,
351 return -EAGAIN; 351 return -EAGAIN;
352 } 352 }
353 353
354 if ((dev->link.state & DEV_PRESENT) == 0) 354 if (!pcmcia_dev_present(dev->p_dev))
355 return -ENODEV; 355 return -ENODEV;
356 356
357 bytes_to_write = count; 357 bytes_to_write = count;
@@ -445,14 +445,14 @@ static unsigned int cm4040_poll(struct file *filp, poll_table *wait)
445static int cm4040_open(struct inode *inode, struct file *filp) 445static int cm4040_open(struct inode *inode, struct file *filp)
446{ 446{
447 struct reader_dev *dev; 447 struct reader_dev *dev;
448 dev_link_t *link; 448 struct pcmcia_device *link;
449 int minor = iminor(inode); 449 int minor = iminor(inode);
450 450
451 if (minor >= CM_MAX_DEV) 451 if (minor >= CM_MAX_DEV)
452 return -ENODEV; 452 return -ENODEV;
453 453
454 link = dev_table[minor]; 454 link = dev_table[minor];
455 if (link == NULL || !(DEV_OK(link))) 455 if (link == NULL || !pcmcia_dev_present(link))
456 return -ENODEV; 456 return -ENODEV;
457 457
458 if (link->open) 458 if (link->open)
@@ -478,7 +478,7 @@ static int cm4040_open(struct inode *inode, struct file *filp)
478static int cm4040_close(struct inode *inode, struct file *filp) 478static int cm4040_close(struct inode *inode, struct file *filp)
479{ 479{
480 struct reader_dev *dev = filp->private_data; 480 struct reader_dev *dev = filp->private_data;
481 dev_link_t *link; 481 struct pcmcia_device *link;
482 int minor = iminor(inode); 482 int minor = iminor(inode);
483 483
484 DEBUGP(2, dev, "-> cm4040_close(maj/min=%d.%d)\n", imajor(inode), 484 DEBUGP(2, dev, "-> cm4040_close(maj/min=%d.%d)\n", imajor(inode),
@@ -500,7 +500,7 @@ static int cm4040_close(struct inode *inode, struct file *filp)
500 return 0; 500 return 0;
501} 501}
502 502
503static void cm4040_reader_release(dev_link_t *link) 503static void cm4040_reader_release(struct pcmcia_device *link)
504{ 504{
505 struct reader_dev *dev = link->priv; 505 struct reader_dev *dev = link->priv;
506 506
@@ -514,60 +514,49 @@ static void cm4040_reader_release(dev_link_t *link)
514 return; 514 return;
515} 515}
516 516
517static void reader_config(dev_link_t *link, int devno) 517static int reader_config(struct pcmcia_device *link, int devno)
518{ 518{
519 client_handle_t handle;
520 struct reader_dev *dev; 519 struct reader_dev *dev;
521 tuple_t tuple; 520 tuple_t tuple;
522 cisparse_t parse; 521 cisparse_t parse;
523 config_info_t conf;
524 u_char buf[64]; 522 u_char buf[64];
525 int fail_fn, fail_rc; 523 int fail_fn, fail_rc;
526 int rc; 524 int rc;
527 525
528 handle = link->handle;
529
530 tuple.DesiredTuple = CISTPL_CONFIG; 526 tuple.DesiredTuple = CISTPL_CONFIG;
531 tuple.Attributes = 0; 527 tuple.Attributes = 0;
532 tuple.TupleData = buf; 528 tuple.TupleData = buf;
533 tuple.TupleDataMax = sizeof(buf); 529 tuple.TupleDataMax = sizeof(buf);
534 tuple.TupleOffset = 0; 530 tuple.TupleOffset = 0;
535 531
536 if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { 532 if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) {
537 fail_fn = GetFirstTuple; 533 fail_fn = GetFirstTuple;
538 goto cs_failed; 534 goto cs_failed;
539 } 535 }
540 if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { 536 if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) {
541 fail_fn = GetTupleData; 537 fail_fn = GetTupleData;
542 goto cs_failed; 538 goto cs_failed;
543 } 539 }
544 if ((fail_rc = pcmcia_parse_tuple(handle, &tuple, &parse)) 540 if ((fail_rc = pcmcia_parse_tuple(link, &tuple, &parse))
545 != CS_SUCCESS) { 541 != CS_SUCCESS) {
546 fail_fn = ParseTuple; 542 fail_fn = ParseTuple;
547 goto cs_failed; 543 goto cs_failed;
548 } 544 }
549 if ((fail_rc = pcmcia_get_configuration_info(handle, &conf))
550 != CS_SUCCESS) {
551 fail_fn = GetConfigurationInfo;
552 goto cs_failed;
553 }
554 545
555 link->state |= DEV_CONFIG;
556 link->conf.ConfigBase = parse.config.base; 546 link->conf.ConfigBase = parse.config.base;
557 link->conf.Present = parse.config.rmask[0]; 547 link->conf.Present = parse.config.rmask[0];
558 link->conf.Vcc = conf.Vcc;
559 548
560 link->io.BasePort2 = 0; 549 link->io.BasePort2 = 0;
561 link->io.NumPorts2 = 0; 550 link->io.NumPorts2 = 0;
562 link->io.Attributes2 = 0; 551 link->io.Attributes2 = 0;
563 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 552 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
564 for (rc = pcmcia_get_first_tuple(handle, &tuple); 553 for (rc = pcmcia_get_first_tuple(link, &tuple);
565 rc == CS_SUCCESS; 554 rc == CS_SUCCESS;
566 rc = pcmcia_get_next_tuple(handle, &tuple)) { 555 rc = pcmcia_get_next_tuple(link, &tuple)) {
567 rc = pcmcia_get_tuple_data(handle, &tuple); 556 rc = pcmcia_get_tuple_data(link, &tuple);
568 if (rc != CS_SUCCESS) 557 if (rc != CS_SUCCESS)
569 continue; 558 continue;
570 rc = pcmcia_parse_tuple(handle, &tuple, &parse); 559 rc = pcmcia_parse_tuple(link, &tuple, &parse);
571 if (rc != CS_SUCCESS) 560 if (rc != CS_SUCCESS)
572 continue; 561 continue;
573 562
@@ -585,13 +574,13 @@ static void reader_config(dev_link_t *link, int devno)
585 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; 574 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
586 link->io.IOAddrLines = parse.cftable_entry.io.flags 575 link->io.IOAddrLines = parse.cftable_entry.io.flags
587 & CISTPL_IO_LINES_MASK; 576 & CISTPL_IO_LINES_MASK;
588 rc = pcmcia_request_io(handle, &link->io); 577 rc = pcmcia_request_io(link, &link->io);
589 578
590 dev_printk(KERN_INFO, &handle_to_dev(handle), "foo"); 579 dev_printk(KERN_INFO, &handle_to_dev(link), "foo");
591 if (rc == CS_SUCCESS) 580 if (rc == CS_SUCCESS)
592 break; 581 break;
593 else 582 else
594 dev_printk(KERN_INFO, &handle_to_dev(handle), 583 dev_printk(KERN_INFO, &handle_to_dev(link),
595 "pcmcia_request_io failed 0x%x\n", rc); 584 "pcmcia_request_io failed 0x%x\n", rc);
596 } 585 }
597 if (rc != CS_SUCCESS) 586 if (rc != CS_SUCCESS)
@@ -599,10 +588,10 @@ static void reader_config(dev_link_t *link, int devno)
599 588
600 link->conf.IntType = 00000002; 589 link->conf.IntType = 00000002;
601 590
602 if ((fail_rc = pcmcia_request_configuration(handle,&link->conf)) 591 if ((fail_rc = pcmcia_request_configuration(link,&link->conf))
603 !=CS_SUCCESS) { 592 !=CS_SUCCESS) {
604 fail_fn = RequestConfiguration; 593 fail_fn = RequestConfiguration;
605 dev_printk(KERN_INFO, &handle_to_dev(handle), 594 dev_printk(KERN_INFO, &handle_to_dev(link),
606 "pcmcia_request_configuration failed 0x%x\n", 595 "pcmcia_request_configuration failed 0x%x\n",
607 fail_rc); 596 fail_rc);
608 goto cs_release; 597 goto cs_release;
@@ -612,57 +601,31 @@ static void reader_config(dev_link_t *link, int devno)
612 sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno); 601 sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno);
613 dev->node.major = major; 602 dev->node.major = major;
614 dev->node.minor = devno; 603 dev->node.minor = devno;
615 dev->node.next = NULL; 604 dev->node.next = &dev->node;
616 link->dev = &dev->node;
617 link->state &= ~DEV_CONFIG_PENDING;
618 605
619 DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno, 606 DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno,
620 link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1); 607 link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1);
621 DEBUGP(2, dev, "<- reader_config (succ)\n"); 608 DEBUGP(2, dev, "<- reader_config (succ)\n");
622 609
623 return; 610 return 0;
624 611
625cs_failed: 612cs_failed:
626 cs_error(handle, fail_fn, fail_rc); 613 cs_error(link, fail_fn, fail_rc);
627cs_release: 614cs_release:
628 reader_release(link); 615 reader_release(link);
629 link->state &= ~DEV_CONFIG_PENDING; 616 return -ENODEV;
630}
631
632static int reader_suspend(struct pcmcia_device *p_dev)
633{
634 dev_link_t *link = dev_to_instance(p_dev);
635
636 link->state |= DEV_SUSPEND;
637 if (link->state & DEV_CONFIG)
638 pcmcia_release_configuration(link->handle);
639
640 return 0;
641} 617}
642 618
643static int reader_resume(struct pcmcia_device *p_dev) 619static void reader_release(struct pcmcia_device *link)
644{
645 dev_link_t *link = dev_to_instance(p_dev);
646
647 link->state &= ~DEV_SUSPEND;
648 if (link->state & DEV_CONFIG)
649 pcmcia_request_configuration(link->handle, &link->conf);
650
651 return 0;
652}
653
654static void reader_release(dev_link_t *link)
655{ 620{
656 cm4040_reader_release(link->priv); 621 cm4040_reader_release(link->priv);
657 pcmcia_release_configuration(link->handle); 622 pcmcia_disable_device(link);
658 pcmcia_release_io(link->handle, &link->io);
659} 623}
660 624
661static int reader_attach(struct pcmcia_device *p_dev) 625static int reader_probe(struct pcmcia_device *link)
662{ 626{
663 struct reader_dev *dev; 627 struct reader_dev *dev;
664 dev_link_t *link; 628 int i, ret;
665 int i;
666 629
667 for (i = 0; i < CM_MAX_DEV; i++) { 630 for (i = 0; i < CM_MAX_DEV; i++) {
668 if (dev_table[i] == NULL) 631 if (dev_table[i] == NULL)
@@ -679,8 +642,8 @@ static int reader_attach(struct pcmcia_device *p_dev)
679 dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT; 642 dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT;
680 dev->buffer_status = 0; 643 dev->buffer_status = 0;
681 644
682 link = &dev->link;
683 link->priv = dev; 645 link->priv = dev;
646 dev->p_dev = link;
684 647
685 link->conf.IntType = INT_MEMORY_AND_IO; 648 link->conf.IntType = INT_MEMORY_AND_IO;
686 dev_table[i] = link; 649 dev_table[i] = link;
@@ -692,11 +655,9 @@ static int reader_attach(struct pcmcia_device *p_dev)
692 init_timer(&dev->poll_timer); 655 init_timer(&dev->poll_timer);
693 dev->poll_timer.function = &cm4040_do_poll; 656 dev->poll_timer.function = &cm4040_do_poll;
694 657
695 link->handle = p_dev; 658 ret = reader_config(link, i);
696 p_dev->instance = link; 659 if (ret)
697 660 return ret;
698 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
699 reader_config(link, i);
700 661
701 class_device_create(cmx_class, NULL, MKDEV(major, i), NULL, 662 class_device_create(cmx_class, NULL, MKDEV(major, i), NULL,
702 "cmx%d", i); 663 "cmx%d", i);
@@ -704,9 +665,8 @@ static int reader_attach(struct pcmcia_device *p_dev)
704 return 0; 665 return 0;
705} 666}
706 667
707static void reader_detach(struct pcmcia_device *p_dev) 668static void reader_detach(struct pcmcia_device *link)
708{ 669{
709 dev_link_t *link = dev_to_instance(p_dev);
710 struct reader_dev *dev = link->priv; 670 struct reader_dev *dev = link->priv;
711 int devno; 671 int devno;
712 672
@@ -718,10 +678,7 @@ static void reader_detach(struct pcmcia_device *p_dev)
718 if (devno == CM_MAX_DEV) 678 if (devno == CM_MAX_DEV)
719 return; 679 return;
720 680
721 link->state &= ~DEV_PRESENT; 681 reader_release(link);
722
723 if (link->state & DEV_CONFIG)
724 reader_release(link);
725 682
726 dev_table[devno] = NULL; 683 dev_table[devno] = NULL;
727 kfree(dev); 684 kfree(dev);
@@ -753,10 +710,8 @@ static struct pcmcia_driver reader_driver = {
753 .drv = { 710 .drv = {
754 .name = "cm4040_cs", 711 .name = "cm4040_cs",
755 }, 712 },
756 .probe = reader_attach, 713 .probe = reader_probe,
757 .remove = reader_detach, 714 .remove = reader_detach,
758 .suspend = reader_suspend,
759 .resume = reader_resume,
760 .id_table = cm4040_ids, 715 .id_table = cm4040_ids,
761}; 716};
762 717
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index e6b714b6390d..07213454c458 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -228,7 +228,7 @@ typedef struct _mgslpc_info {
228 struct _input_signal_events input_signal_events; 228 struct _input_signal_events input_signal_events;
229 229
230 /* PCMCIA support */ 230 /* PCMCIA support */
231 dev_link_t link; 231 struct pcmcia_device *p_dev;
232 dev_node_t node; 232 dev_node_t node;
233 int stop; 233 int stop;
234 234
@@ -484,7 +484,7 @@ static void mgslpc_wait_until_sent(struct tty_struct *tty, int timeout);
484 484
485/* PCMCIA prototypes */ 485/* PCMCIA prototypes */
486 486
487static void mgslpc_config(dev_link_t *link); 487static int mgslpc_config(struct pcmcia_device *link);
488static void mgslpc_release(u_long arg); 488static void mgslpc_release(u_long arg);
489static void mgslpc_detach(struct pcmcia_device *p_dev); 489static void mgslpc_detach(struct pcmcia_device *p_dev);
490 490
@@ -533,14 +533,14 @@ static void ldisc_receive_buf(struct tty_struct *tty,
533 } 533 }
534} 534}
535 535
536static int mgslpc_attach(struct pcmcia_device *p_dev) 536static int mgslpc_probe(struct pcmcia_device *link)
537{ 537{
538 MGSLPC_INFO *info; 538 MGSLPC_INFO *info;
539 dev_link_t *link; 539 int ret;
540 540
541 if (debug_level >= DEBUG_LEVEL_INFO) 541 if (debug_level >= DEBUG_LEVEL_INFO)
542 printk("mgslpc_attach\n"); 542 printk("mgslpc_attach\n");
543 543
544 info = (MGSLPC_INFO *)kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL); 544 info = (MGSLPC_INFO *)kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL);
545 if (!info) { 545 if (!info) {
546 printk("Error can't allocate device instance data\n"); 546 printk("Error can't allocate device instance data\n");
@@ -565,25 +565,22 @@ static int mgslpc_attach(struct pcmcia_device *p_dev)
565 info->imrb_value = 0xffff; 565 info->imrb_value = 0xffff;
566 info->pim_value = 0xff; 566 info->pim_value = 0xff;
567 567
568 link = &info->link; 568 info->p_dev = link;
569 link->priv = info; 569 link->priv = info;
570 570
571 /* Initialize the dev_link_t structure */ 571 /* Initialize the struct pcmcia_device structure */
572 572
573 /* Interrupt setup */ 573 /* Interrupt setup */
574 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; 574 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
575 link->irq.IRQInfo1 = IRQ_LEVEL_ID; 575 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
576 link->irq.Handler = NULL; 576 link->irq.Handler = NULL;
577 577
578 link->conf.Attributes = 0; 578 link->conf.Attributes = 0;
579 link->conf.Vcc = 50;
580 link->conf.IntType = INT_MEMORY_AND_IO; 579 link->conf.IntType = INT_MEMORY_AND_IO;
581 580
582 link->handle = p_dev; 581 ret = mgslpc_config(link);
583 p_dev->instance = link; 582 if (ret)
584 583 return ret;
585 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
586 mgslpc_config(link);
587 584
588 mgslpc_add_device(info); 585 mgslpc_add_device(info);
589 586
@@ -596,15 +593,13 @@ static int mgslpc_attach(struct pcmcia_device *p_dev)
596#define CS_CHECK(fn, ret) \ 593#define CS_CHECK(fn, ret) \
597do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) 594do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
598 595
599static void mgslpc_config(dev_link_t *link) 596static int mgslpc_config(struct pcmcia_device *link)
600{ 597{
601 client_handle_t handle = link->handle;
602 MGSLPC_INFO *info = link->priv; 598 MGSLPC_INFO *info = link->priv;
603 tuple_t tuple; 599 tuple_t tuple;
604 cisparse_t parse; 600 cisparse_t parse;
605 int last_fn, last_ret; 601 int last_fn, last_ret;
606 u_char buf[64]; 602 u_char buf[64];
607 config_info_t conf;
608 cistpl_cftable_entry_t dflt = { 0 }; 603 cistpl_cftable_entry_t dflt = { 0 };
609 cistpl_cftable_entry_t *cfg; 604 cistpl_cftable_entry_t *cfg;
610 605
@@ -617,27 +612,20 @@ static void mgslpc_config(dev_link_t *link)
617 tuple.TupleData = buf; 612 tuple.TupleData = buf;
618 tuple.TupleDataMax = sizeof(buf); 613 tuple.TupleDataMax = sizeof(buf);
619 tuple.TupleOffset = 0; 614 tuple.TupleOffset = 0;
620 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); 615 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
621 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); 616 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
622 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); 617 CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
623 link->conf.ConfigBase = parse.config.base; 618 link->conf.ConfigBase = parse.config.base;
624 link->conf.Present = parse.config.rmask[0]; 619 link->conf.Present = parse.config.rmask[0];
625
626 /* Configure card */
627 link->state |= DEV_CONFIG;
628
629 /* Look up the current Vcc */
630 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf));
631 link->conf.Vcc = conf.Vcc;
632 620
633 /* get CIS configuration entry */ 621 /* get CIS configuration entry */
634 622
635 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 623 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
636 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); 624 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
637 625
638 cfg = &(parse.cftable_entry); 626 cfg = &(parse.cftable_entry);
639 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); 627 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
640 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); 628 CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
641 629
642 if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; 630 if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg;
643 if (cfg->index == 0) 631 if (cfg->index == 0)
@@ -658,11 +646,10 @@ static void mgslpc_config(dev_link_t *link)
658 link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; 646 link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
659 link->io.BasePort1 = io->win[0].base; 647 link->io.BasePort1 = io->win[0].base;
660 link->io.NumPorts1 = io->win[0].len; 648 link->io.NumPorts1 = io->win[0].len;
661 CS_CHECK(RequestIO, pcmcia_request_io(link->handle, &link->io)); 649 CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
662 } 650 }
663 651
664 link->conf.Attributes = CONF_ENABLE_IRQ; 652 link->conf.Attributes = CONF_ENABLE_IRQ;
665 link->conf.Vcc = 50;
666 link->conf.IntType = INT_MEMORY_AND_IO; 653 link->conf.IntType = INT_MEMORY_AND_IO;
667 link->conf.ConfigIndex = 8; 654 link->conf.ConfigIndex = 8;
668 link->conf.Present = PRESENT_OPTION; 655 link->conf.Present = PRESENT_OPTION;
@@ -670,9 +657,9 @@ static void mgslpc_config(dev_link_t *link)
670 link->irq.Attributes |= IRQ_HANDLE_PRESENT; 657 link->irq.Attributes |= IRQ_HANDLE_PRESENT;
671 link->irq.Handler = mgslpc_isr; 658 link->irq.Handler = mgslpc_isr;
672 link->irq.Instance = info; 659 link->irq.Instance = info;
673 CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); 660 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
674 661
675 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); 662 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
676 663
677 info->io_base = link->io.BasePort1; 664 info->io_base = link->io.BasePort1;
678 info->irq_level = link->irq.AssignedIRQ; 665 info->irq_level = link->irq.AssignedIRQ;
@@ -680,7 +667,7 @@ static void mgslpc_config(dev_link_t *link)
680 /* add to linked list of devices */ 667 /* add to linked list of devices */
681 sprintf(info->node.dev_name, "mgslpc0"); 668 sprintf(info->node.dev_name, "mgslpc0");
682 info->node.major = info->node.minor = 0; 669 info->node.major = info->node.minor = 0;
683 link->dev = &info->node; 670 link->dev_node = &info->node;
684 671
685 printk(KERN_INFO "%s: index 0x%02x:", 672 printk(KERN_INFO "%s: index 0x%02x:",
686 info->node.dev_name, link->conf.ConfigIndex); 673 info->node.dev_name, link->conf.ConfigIndex);
@@ -690,13 +677,12 @@ static void mgslpc_config(dev_link_t *link)
690 printk(", io 0x%04x-0x%04x", link->io.BasePort1, 677 printk(", io 0x%04x-0x%04x", link->io.BasePort1,
691 link->io.BasePort1+link->io.NumPorts1-1); 678 link->io.BasePort1+link->io.NumPorts1-1);
692 printk("\n"); 679 printk("\n");
693 680 return 0;
694 link->state &= ~DEV_CONFIG_PENDING;
695 return;
696 681
697cs_failed: 682cs_failed:
698 cs_error(link->handle, last_fn, last_ret); 683 cs_error(link, last_fn, last_ret);
699 mgslpc_release((u_long)link); 684 mgslpc_release((u_long)link);
685 return -ENODEV;
700} 686}
701 687
702/* Card has been removed. 688/* Card has been removed.
@@ -705,58 +691,38 @@ cs_failed:
705 */ 691 */
706static void mgslpc_release(u_long arg) 692static void mgslpc_release(u_long arg)
707{ 693{
708 dev_link_t *link = (dev_link_t *)arg; 694 struct pcmcia_device *link = (struct pcmcia_device *)arg;
709 695
710 if (debug_level >= DEBUG_LEVEL_INFO) 696 if (debug_level >= DEBUG_LEVEL_INFO)
711 printk("mgslpc_release(0x%p)\n", link); 697 printk("mgslpc_release(0x%p)\n", link);
712
713 /* Unlink the device chain */
714 link->dev = NULL;
715 link->state &= ~DEV_CONFIG;
716 698
717 pcmcia_release_configuration(link->handle); 699 pcmcia_disable_device(link);
718 if (link->io.NumPorts1)
719 pcmcia_release_io(link->handle, &link->io);
720 if (link->irq.AssignedIRQ)
721 pcmcia_release_irq(link->handle, &link->irq);
722} 700}
723 701
724static void mgslpc_detach(struct pcmcia_device *p_dev) 702static void mgslpc_detach(struct pcmcia_device *link)
725{ 703{
726 dev_link_t *link = dev_to_instance(p_dev); 704 if (debug_level >= DEBUG_LEVEL_INFO)
727 705 printk("mgslpc_detach(0x%p)\n", link);
728 if (debug_level >= DEBUG_LEVEL_INFO)
729 printk("mgslpc_detach(0x%p)\n", link);
730 706
731 if (link->state & DEV_CONFIG) { 707 ((MGSLPC_INFO *)link->priv)->stop = 1;
732 ((MGSLPC_INFO *)link->priv)->stop = 1; 708 mgslpc_release((u_long)link);
733 mgslpc_release((u_long)link);
734 }
735 709
736 mgslpc_remove_device((MGSLPC_INFO *)link->priv); 710 mgslpc_remove_device((MGSLPC_INFO *)link->priv);
737} 711}
738 712
739static int mgslpc_suspend(struct pcmcia_device *dev) 713static int mgslpc_suspend(struct pcmcia_device *link)
740{ 714{
741 dev_link_t *link = dev_to_instance(dev);
742 MGSLPC_INFO *info = link->priv; 715 MGSLPC_INFO *info = link->priv;
743 716
744 link->state |= DEV_SUSPEND;
745 info->stop = 1; 717 info->stop = 1;
746 if (link->state & DEV_CONFIG)
747 pcmcia_release_configuration(link->handle);
748 718
749 return 0; 719 return 0;
750} 720}
751 721
752static int mgslpc_resume(struct pcmcia_device *dev) 722static int mgslpc_resume(struct pcmcia_device *link)
753{ 723{
754 dev_link_t *link = dev_to_instance(dev);
755 MGSLPC_INFO *info = link->priv; 724 MGSLPC_INFO *info = link->priv;
756 725
757 link->state &= ~DEV_SUSPEND;
758 if (link->state & DEV_CONFIG)
759 pcmcia_request_configuration(link->handle, &link->conf);
760 info->stop = 0; 726 info->stop = 0;
761 727
762 return 0; 728 return 0;
@@ -1280,7 +1246,7 @@ static irqreturn_t mgslpc_isr(int irq, void *dev_id, struct pt_regs * regs)
1280 if (!info) 1246 if (!info)
1281 return IRQ_NONE; 1247 return IRQ_NONE;
1282 1248
1283 if (!(info->link.state & DEV_CONFIG)) 1249 if (!(info->p_dev->_locked))
1284 return IRQ_HANDLED; 1250 return IRQ_HANDLED;
1285 1251
1286 spin_lock(&info->lock); 1252 spin_lock(&info->lock);
@@ -3033,7 +2999,7 @@ static struct pcmcia_driver mgslpc_driver = {
3033 .drv = { 2999 .drv = {
3034 .name = "synclink_cs", 3000 .name = "synclink_cs",
3035 }, 3001 },
3036 .probe = mgslpc_attach, 3002 .probe = mgslpc_probe,
3037 .remove = mgslpc_detach, 3003 .remove = mgslpc_detach,
3038 .id_table = mgslpc_ids, 3004 .id_table = mgslpc_ids,
3039 .suspend = mgslpc_suspend, 3005 .suspend = mgslpc_suspend,
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 86be04b241e1..58f3512c52e1 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1584,7 +1584,6 @@ u32 secure_ipv6_port_ephemeral(const __u32 *saddr, const __u32 *daddr, __u16 dpo
1584 1584
1585 return twothirdsMD4Transform(daddr, hash); 1585 return twothirdsMD4Transform(daddr, hash);
1586} 1586}
1587EXPORT_SYMBOL(secure_ipv6_port_ephemeral);
1588#endif 1587#endif
1589 1588
1590#if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE) 1589#if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE)
diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index b543821d8cb4..56c8243cdb73 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -390,7 +390,8 @@ scdrv_init(void)
390 format_module_id(devnamep, geo_module(geoid), 390 format_module_id(devnamep, geo_module(geoid),
391 MODULE_FORMAT_BRIEF); 391 MODULE_FORMAT_BRIEF);
392 devnamep = devname + strlen(devname); 392 devnamep = devname + strlen(devname);
393 sprintf(devnamep, "#%d", geo_slab(geoid)); 393 sprintf(devnamep, "^%d#%d", geo_slot(geoid),
394 geo_slab(geoid));
394 395
395 /* allocate sysctl device data */ 396 /* allocate sysctl device data */
396 scd = kzalloc(sizeof (struct sysctl_data_s), 397 scd = kzalloc(sizeof (struct sysctl_data_s),
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index f8dd8527c6aa..a90f5d97df35 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1341,6 +1341,9 @@ static int __devinit sonypi_probe(struct platform_device *dev)
1341 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1341 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1342 PCI_DEVICE_ID_INTEL_ICH6_1, NULL))) 1342 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1343 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; 1343 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1344 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1345 PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1346 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1344 else 1347 else
1345 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2; 1348 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1346 1349
diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c
index eb2eb3e12d6a..079db5a935a1 100644
--- a/drivers/char/tipar.c
+++ b/drivers/char/tipar.c
@@ -515,7 +515,7 @@ tipar_init_module(void)
515 err = PTR_ERR(tipar_class); 515 err = PTR_ERR(tipar_class);
516 goto out_chrdev; 516 goto out_chrdev;
517 } 517 }
518 if (parport_register_driver(&tipar_driver) || tp_count == 0) { 518 if (parport_register_driver(&tipar_driver)) {
519 printk(KERN_ERR "tipar: unable to register with parport\n"); 519 printk(KERN_ERR "tipar: unable to register with parport\n");
520 err = -EIO; 520 err = -EIO;
521 goto out_class; 521 goto out_class;
diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c
index 2546637a55c0..f58ad7f68267 100644
--- a/drivers/char/tlclk.c
+++ b/drivers/char/tlclk.c
@@ -327,7 +327,7 @@ static ssize_t store_received_ref_clk3a(struct device *d,
327 return strnlen(buf, count); 327 return strnlen(buf, count);
328} 328}
329 329
330static DEVICE_ATTR(received_ref_clk3a, S_IWUGO, NULL, 330static DEVICE_ATTR(received_ref_clk3a, (S_IWUSR|S_IWGRP), NULL,
331 store_received_ref_clk3a); 331 store_received_ref_clk3a);
332 332
333 333
@@ -349,7 +349,7 @@ static ssize_t store_received_ref_clk3b(struct device *d,
349 return strnlen(buf, count); 349 return strnlen(buf, count);
350} 350}
351 351
352static DEVICE_ATTR(received_ref_clk3b, S_IWUGO, NULL, 352static DEVICE_ATTR(received_ref_clk3b, (S_IWUSR|S_IWGRP), NULL,
353 store_received_ref_clk3b); 353 store_received_ref_clk3b);
354 354
355 355
@@ -371,7 +371,7 @@ static ssize_t store_enable_clk3b_output(struct device *d,
371 return strnlen(buf, count); 371 return strnlen(buf, count);
372} 372}
373 373
374static DEVICE_ATTR(enable_clk3b_output, S_IWUGO, NULL, 374static DEVICE_ATTR(enable_clk3b_output, (S_IWUSR|S_IWGRP), NULL,
375 store_enable_clk3b_output); 375 store_enable_clk3b_output);
376 376
377static ssize_t store_enable_clk3a_output(struct device *d, 377static ssize_t store_enable_clk3a_output(struct device *d,
@@ -392,7 +392,7 @@ static ssize_t store_enable_clk3a_output(struct device *d,
392 return strnlen(buf, count); 392 return strnlen(buf, count);
393} 393}
394 394
395static DEVICE_ATTR(enable_clk3a_output, S_IWUGO, NULL, 395static DEVICE_ATTR(enable_clk3a_output, (S_IWUSR|S_IWGRP), NULL,
396 store_enable_clk3a_output); 396 store_enable_clk3a_output);
397 397
398static ssize_t store_enable_clkb1_output(struct device *d, 398static ssize_t store_enable_clkb1_output(struct device *d,
@@ -413,7 +413,7 @@ static ssize_t store_enable_clkb1_output(struct device *d,
413 return strnlen(buf, count); 413 return strnlen(buf, count);
414} 414}
415 415
416static DEVICE_ATTR(enable_clkb1_output, S_IWUGO, NULL, 416static DEVICE_ATTR(enable_clkb1_output, (S_IWUSR|S_IWGRP), NULL,
417 store_enable_clkb1_output); 417 store_enable_clkb1_output);
418 418
419 419
@@ -435,7 +435,7 @@ static ssize_t store_enable_clka1_output(struct device *d,
435 return strnlen(buf, count); 435 return strnlen(buf, count);
436} 436}
437 437
438static DEVICE_ATTR(enable_clka1_output, S_IWUGO, NULL, 438static DEVICE_ATTR(enable_clka1_output, (S_IWUSR|S_IWGRP), NULL,
439 store_enable_clka1_output); 439 store_enable_clka1_output);
440 440
441static ssize_t store_enable_clkb0_output(struct device *d, 441static ssize_t store_enable_clkb0_output(struct device *d,
@@ -456,7 +456,7 @@ static ssize_t store_enable_clkb0_output(struct device *d,
456 return strnlen(buf, count); 456 return strnlen(buf, count);
457} 457}
458 458
459static DEVICE_ATTR(enable_clkb0_output, S_IWUGO, NULL, 459static DEVICE_ATTR(enable_clkb0_output, (S_IWUSR|S_IWGRP), NULL,
460 store_enable_clkb0_output); 460 store_enable_clkb0_output);
461 461
462static ssize_t store_enable_clka0_output(struct device *d, 462static ssize_t store_enable_clka0_output(struct device *d,
@@ -477,7 +477,7 @@ static ssize_t store_enable_clka0_output(struct device *d,
477 return strnlen(buf, count); 477 return strnlen(buf, count);
478} 478}
479 479
480static DEVICE_ATTR(enable_clka0_output, S_IWUGO, NULL, 480static DEVICE_ATTR(enable_clka0_output, (S_IWUSR|S_IWGRP), NULL,
481 store_enable_clka0_output); 481 store_enable_clka0_output);
482 482
483static ssize_t store_select_amcb2_transmit_clock(struct device *d, 483static ssize_t store_select_amcb2_transmit_clock(struct device *d,
@@ -519,7 +519,7 @@ static ssize_t store_select_amcb2_transmit_clock(struct device *d,
519 return strnlen(buf, count); 519 return strnlen(buf, count);
520} 520}
521 521
522static DEVICE_ATTR(select_amcb2_transmit_clock, S_IWUGO, NULL, 522static DEVICE_ATTR(select_amcb2_transmit_clock, (S_IWUSR|S_IWGRP), NULL,
523 store_select_amcb2_transmit_clock); 523 store_select_amcb2_transmit_clock);
524 524
525static ssize_t store_select_amcb1_transmit_clock(struct device *d, 525static ssize_t store_select_amcb1_transmit_clock(struct device *d,
@@ -560,7 +560,7 @@ static ssize_t store_select_amcb1_transmit_clock(struct device *d,
560 return strnlen(buf, count); 560 return strnlen(buf, count);
561} 561}
562 562
563static DEVICE_ATTR(select_amcb1_transmit_clock, S_IWUGO, NULL, 563static DEVICE_ATTR(select_amcb1_transmit_clock, (S_IWUSR|S_IWGRP), NULL,
564 store_select_amcb1_transmit_clock); 564 store_select_amcb1_transmit_clock);
565 565
566static ssize_t store_select_redundant_clock(struct device *d, 566static ssize_t store_select_redundant_clock(struct device *d,
@@ -581,7 +581,7 @@ static ssize_t store_select_redundant_clock(struct device *d,
581 return strnlen(buf, count); 581 return strnlen(buf, count);
582} 582}
583 583
584static DEVICE_ATTR(select_redundant_clock, S_IWUGO, NULL, 584static DEVICE_ATTR(select_redundant_clock, (S_IWUSR|S_IWGRP), NULL,
585 store_select_redundant_clock); 585 store_select_redundant_clock);
586 586
587static ssize_t store_select_ref_frequency(struct device *d, 587static ssize_t store_select_ref_frequency(struct device *d,
@@ -602,7 +602,7 @@ static ssize_t store_select_ref_frequency(struct device *d,
602 return strnlen(buf, count); 602 return strnlen(buf, count);
603} 603}
604 604
605static DEVICE_ATTR(select_ref_frequency, S_IWUGO, NULL, 605static DEVICE_ATTR(select_ref_frequency, (S_IWUSR|S_IWGRP), NULL,
606 store_select_ref_frequency); 606 store_select_ref_frequency);
607 607
608static ssize_t store_filter_select(struct device *d, 608static ssize_t store_filter_select(struct device *d,
@@ -623,7 +623,7 @@ static ssize_t store_filter_select(struct device *d,
623 return strnlen(buf, count); 623 return strnlen(buf, count);
624} 624}
625 625
626static DEVICE_ATTR(filter_select, S_IWUGO, NULL, store_filter_select); 626static DEVICE_ATTR(filter_select, (S_IWUSR|S_IWGRP), NULL, store_filter_select);
627 627
628static ssize_t store_hardware_switching_mode(struct device *d, 628static ssize_t store_hardware_switching_mode(struct device *d,
629 struct device_attribute *attr, const char *buf, size_t count) 629 struct device_attribute *attr, const char *buf, size_t count)
@@ -643,7 +643,7 @@ static ssize_t store_hardware_switching_mode(struct device *d,
643 return strnlen(buf, count); 643 return strnlen(buf, count);
644} 644}
645 645
646static DEVICE_ATTR(hardware_switching_mode, S_IWUGO, NULL, 646static DEVICE_ATTR(hardware_switching_mode, (S_IWUSR|S_IWGRP), NULL,
647 store_hardware_switching_mode); 647 store_hardware_switching_mode);
648 648
649static ssize_t store_hardware_switching(struct device *d, 649static ssize_t store_hardware_switching(struct device *d,
@@ -664,7 +664,7 @@ static ssize_t store_hardware_switching(struct device *d,
664 return strnlen(buf, count); 664 return strnlen(buf, count);
665} 665}
666 666
667static DEVICE_ATTR(hardware_switching, S_IWUGO, NULL, 667static DEVICE_ATTR(hardware_switching, (S_IWUSR|S_IWGRP), NULL,
668 store_hardware_switching); 668 store_hardware_switching);
669 669
670static ssize_t store_refalign (struct device *d, 670static ssize_t store_refalign (struct device *d,
@@ -684,7 +684,7 @@ static ssize_t store_refalign (struct device *d,
684 return strnlen(buf, count); 684 return strnlen(buf, count);
685} 685}
686 686
687static DEVICE_ATTR(refalign, S_IWUGO, NULL, store_refalign); 687static DEVICE_ATTR(refalign, (S_IWUSR|S_IWGRP), NULL, store_refalign);
688 688
689static ssize_t store_mode_select (struct device *d, 689static ssize_t store_mode_select (struct device *d,
690 struct device_attribute *attr, const char *buf, size_t count) 690 struct device_attribute *attr, const char *buf, size_t count)
@@ -704,7 +704,7 @@ static ssize_t store_mode_select (struct device *d,
704 return strnlen(buf, count); 704 return strnlen(buf, count);
705} 705}
706 706
707static DEVICE_ATTR(mode_select, S_IWUGO, NULL, store_mode_select); 707static DEVICE_ATTR(mode_select, (S_IWUSR|S_IWGRP), NULL, store_mode_select);
708 708
709static ssize_t store_reset (struct device *d, 709static ssize_t store_reset (struct device *d,
710 struct device_attribute *attr, const char *buf, size_t count) 710 struct device_attribute *attr, const char *buf, size_t count)
@@ -724,7 +724,7 @@ static ssize_t store_reset (struct device *d,
724 return strnlen(buf, count); 724 return strnlen(buf, count);
725} 725}
726 726
727static DEVICE_ATTR(reset, S_IWUGO, NULL, store_reset); 727static DEVICE_ATTR(reset, (S_IWUSR|S_IWGRP), NULL, store_reset);
728 728
729static struct attribute *tlclk_sysfs_entries[] = { 729static struct attribute *tlclk_sysfs_entries[] = {
730 &dev_attr_current_ref.attr, 730 &dev_attr_current_ref.attr,
diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index a6873bf89ffa..1efde3b27619 100644
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -20,9 +20,18 @@ config TCG_TPM
20 Note: For more TPM drivers enable CONFIG_PNP, CONFIG_ACPI 20 Note: For more TPM drivers enable CONFIG_PNP, CONFIG_ACPI
21 and CONFIG_PNPACPI. 21 and CONFIG_PNPACPI.
22 22
23config TCG_TIS
24 tristate "TPM Interface Specification 1.2 Interface"
25 depends on TCG_TPM
26 ---help---
27 If you have a TPM security chip that is compliant with the
28 TCG TIS 1.2 TPM specification say Yes and it will be accessible
29 from within Linux. To compile this driver as a module, choose
30 M here; the module will be called tpm_tis.
31
23config TCG_NSC 32config TCG_NSC
24 tristate "National Semiconductor TPM Interface" 33 tristate "National Semiconductor TPM Interface"
25 depends on TCG_TPM 34 depends on TCG_TPM && PNPACPI
26 ---help--- 35 ---help---
27 If you have a TPM security chip from National Semicondutor 36 If you have a TPM security chip from National Semicondutor
28 say Yes and it will be accessible from within Linux. To 37 say Yes and it will be accessible from within Linux. To
diff --git a/drivers/char/tpm/Makefile b/drivers/char/tpm/Makefile
index ba4582d160fd..ea3a1e02a824 100644
--- a/drivers/char/tpm/Makefile
+++ b/drivers/char/tpm/Makefile
@@ -5,6 +5,7 @@ obj-$(CONFIG_TCG_TPM) += tpm.o
5ifdef CONFIG_ACPI 5ifdef CONFIG_ACPI
6 obj-$(CONFIG_TCG_TPM) += tpm_bios.o 6 obj-$(CONFIG_TCG_TPM) += tpm_bios.o
7endif 7endif
8obj-$(CONFIG_TCG_TIS) += tpm_tis.o
8obj-$(CONFIG_TCG_NSC) += tpm_nsc.o 9obj-$(CONFIG_TCG_NSC) += tpm_nsc.o
9obj-$(CONFIG_TCG_ATMEL) += tpm_atmel.o 10obj-$(CONFIG_TCG_ATMEL) += tpm_atmel.o
10obj-$(CONFIG_TCG_INFINEON) += tpm_infineon.o 11obj-$(CONFIG_TCG_INFINEON) += tpm_infineon.o
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 5a3870477ef1..6889e7db3aff 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -32,12 +32,291 @@ enum tpm_const {
32 TPM_MINOR = 224, /* officially assigned */ 32 TPM_MINOR = 224, /* officially assigned */
33 TPM_BUFSIZE = 2048, 33 TPM_BUFSIZE = 2048,
34 TPM_NUM_DEVICES = 256, 34 TPM_NUM_DEVICES = 256,
35 TPM_NUM_MASK_ENTRIES = TPM_NUM_DEVICES / (8 * sizeof(int))
36}; 35};
37 36
37enum tpm_duration {
38 TPM_SHORT = 0,
39 TPM_MEDIUM = 1,
40 TPM_LONG = 2,
41 TPM_UNDEFINED,
42};
43
44#define TPM_MAX_ORDINAL 243
45#define TPM_MAX_PROTECTED_ORDINAL 12
46#define TPM_PROTECTED_ORDINAL_MASK 0xFF
47
38static LIST_HEAD(tpm_chip_list); 48static LIST_HEAD(tpm_chip_list);
39static DEFINE_SPINLOCK(driver_lock); 49static DEFINE_SPINLOCK(driver_lock);
40static int dev_mask[TPM_NUM_MASK_ENTRIES]; 50static DECLARE_BITMAP(dev_mask, TPM_NUM_DEVICES);
51
52/*
53 * Array with one entry per ordinal defining the maximum amount
54 * of time the chip could take to return the result. The ordinal
55 * designation of short, medium or long is defined in a table in
56 * TCG Specification TPM Main Part 2 TPM Structures Section 17. The
57 * values of the SHORT, MEDIUM, and LONG durations are retrieved
58 * from the chip during initialization with a call to tpm_get_timeouts.
59 */
60static const u8 tpm_protected_ordinal_duration[TPM_MAX_PROTECTED_ORDINAL] = {
61 TPM_UNDEFINED, /* 0 */
62 TPM_UNDEFINED,
63 TPM_UNDEFINED,
64 TPM_UNDEFINED,
65 TPM_UNDEFINED,
66 TPM_UNDEFINED, /* 5 */
67 TPM_UNDEFINED,
68 TPM_UNDEFINED,
69 TPM_UNDEFINED,
70 TPM_UNDEFINED,
71 TPM_SHORT, /* 10 */
72 TPM_SHORT,
73};
74
75static const u8 tpm_ordinal_duration[TPM_MAX_ORDINAL] = {
76 TPM_UNDEFINED, /* 0 */
77 TPM_UNDEFINED,
78 TPM_UNDEFINED,
79 TPM_UNDEFINED,
80 TPM_UNDEFINED,
81 TPM_UNDEFINED, /* 5 */
82 TPM_UNDEFINED,
83 TPM_UNDEFINED,
84 TPM_UNDEFINED,
85 TPM_UNDEFINED,
86 TPM_SHORT, /* 10 */
87 TPM_SHORT,
88 TPM_MEDIUM,
89 TPM_LONG,
90 TPM_LONG,
91 TPM_MEDIUM, /* 15 */
92 TPM_SHORT,
93 TPM_SHORT,
94 TPM_MEDIUM,
95 TPM_LONG,
96 TPM_SHORT, /* 20 */
97 TPM_SHORT,
98 TPM_MEDIUM,
99 TPM_MEDIUM,
100 TPM_MEDIUM,
101 TPM_SHORT, /* 25 */
102 TPM_SHORT,
103 TPM_MEDIUM,
104 TPM_SHORT,
105 TPM_SHORT,
106 TPM_MEDIUM, /* 30 */
107 TPM_LONG,
108 TPM_MEDIUM,
109 TPM_SHORT,
110 TPM_SHORT,
111 TPM_SHORT, /* 35 */
112 TPM_MEDIUM,
113 TPM_MEDIUM,
114 TPM_UNDEFINED,
115 TPM_UNDEFINED,
116 TPM_MEDIUM, /* 40 */
117 TPM_LONG,
118 TPM_MEDIUM,
119 TPM_SHORT,
120 TPM_SHORT,
121 TPM_SHORT, /* 45 */
122 TPM_SHORT,
123 TPM_SHORT,
124 TPM_SHORT,
125 TPM_LONG,
126 TPM_MEDIUM, /* 50 */
127 TPM_MEDIUM,
128 TPM_UNDEFINED,
129 TPM_UNDEFINED,
130 TPM_UNDEFINED,
131 TPM_UNDEFINED, /* 55 */
132 TPM_UNDEFINED,
133 TPM_UNDEFINED,
134 TPM_UNDEFINED,
135 TPM_UNDEFINED,
136 TPM_MEDIUM, /* 60 */
137 TPM_MEDIUM,
138 TPM_MEDIUM,
139 TPM_SHORT,
140 TPM_SHORT,
141 TPM_MEDIUM, /* 65 */
142 TPM_UNDEFINED,
143 TPM_UNDEFINED,
144 TPM_UNDEFINED,
145 TPM_UNDEFINED,
146 TPM_SHORT, /* 70 */
147 TPM_SHORT,
148 TPM_UNDEFINED,
149 TPM_UNDEFINED,
150 TPM_UNDEFINED,
151 TPM_UNDEFINED, /* 75 */
152 TPM_UNDEFINED,
153 TPM_UNDEFINED,
154 TPM_UNDEFINED,
155 TPM_UNDEFINED,
156 TPM_LONG, /* 80 */
157 TPM_UNDEFINED,
158 TPM_MEDIUM,
159 TPM_LONG,
160 TPM_SHORT,
161 TPM_UNDEFINED, /* 85 */
162 TPM_UNDEFINED,
163 TPM_UNDEFINED,
164 TPM_UNDEFINED,
165 TPM_UNDEFINED,
166 TPM_SHORT, /* 90 */
167 TPM_SHORT,
168 TPM_SHORT,
169 TPM_SHORT,
170 TPM_SHORT,
171 TPM_UNDEFINED, /* 95 */
172 TPM_UNDEFINED,
173 TPM_UNDEFINED,
174 TPM_UNDEFINED,
175 TPM_UNDEFINED,
176 TPM_MEDIUM, /* 100 */
177 TPM_SHORT,
178 TPM_SHORT,
179 TPM_UNDEFINED,
180 TPM_UNDEFINED,
181 TPM_UNDEFINED, /* 105 */
182 TPM_UNDEFINED,
183 TPM_UNDEFINED,
184 TPM_UNDEFINED,
185 TPM_UNDEFINED,
186 TPM_SHORT, /* 110 */
187 TPM_SHORT,
188 TPM_SHORT,
189 TPM_SHORT,
190 TPM_SHORT,
191 TPM_SHORT, /* 115 */
192 TPM_SHORT,
193 TPM_SHORT,
194 TPM_UNDEFINED,
195 TPM_UNDEFINED,
196 TPM_LONG, /* 120 */
197 TPM_LONG,
198 TPM_MEDIUM,
199 TPM_UNDEFINED,
200 TPM_SHORT,
201 TPM_SHORT, /* 125 */
202 TPM_SHORT,
203 TPM_LONG,
204 TPM_SHORT,
205 TPM_SHORT,
206 TPM_SHORT, /* 130 */
207 TPM_MEDIUM,
208 TPM_UNDEFINED,
209 TPM_SHORT,
210 TPM_MEDIUM,
211 TPM_UNDEFINED, /* 135 */
212 TPM_UNDEFINED,
213 TPM_UNDEFINED,
214 TPM_UNDEFINED,
215 TPM_UNDEFINED,
216 TPM_SHORT, /* 140 */
217 TPM_SHORT,
218 TPM_UNDEFINED,
219 TPM_UNDEFINED,
220 TPM_UNDEFINED,
221 TPM_UNDEFINED, /* 145 */
222 TPM_UNDEFINED,
223 TPM_UNDEFINED,
224 TPM_UNDEFINED,
225 TPM_UNDEFINED,
226 TPM_SHORT, /* 150 */
227 TPM_MEDIUM,
228 TPM_MEDIUM,
229 TPM_SHORT,
230 TPM_SHORT,
231 TPM_UNDEFINED, /* 155 */
232 TPM_UNDEFINED,
233 TPM_UNDEFINED,
234 TPM_UNDEFINED,
235 TPM_UNDEFINED,
236 TPM_SHORT, /* 160 */
237 TPM_SHORT,
238 TPM_SHORT,
239 TPM_SHORT,
240 TPM_UNDEFINED,
241 TPM_UNDEFINED, /* 165 */
242 TPM_UNDEFINED,
243 TPM_UNDEFINED,
244 TPM_UNDEFINED,
245 TPM_UNDEFINED,
246 TPM_LONG, /* 170 */
247 TPM_UNDEFINED,
248 TPM_UNDEFINED,
249 TPM_UNDEFINED,
250 TPM_UNDEFINED,
251 TPM_UNDEFINED, /* 175 */
252 TPM_UNDEFINED,
253 TPM_UNDEFINED,
254 TPM_UNDEFINED,
255 TPM_UNDEFINED,
256 TPM_MEDIUM, /* 180 */
257 TPM_SHORT,
258 TPM_MEDIUM,
259 TPM_MEDIUM,
260 TPM_MEDIUM,
261 TPM_MEDIUM, /* 185 */
262 TPM_SHORT,
263 TPM_UNDEFINED,
264 TPM_UNDEFINED,
265 TPM_UNDEFINED,
266 TPM_UNDEFINED, /* 190 */
267 TPM_UNDEFINED,
268 TPM_UNDEFINED,
269 TPM_UNDEFINED,
270 TPM_UNDEFINED,
271 TPM_UNDEFINED, /* 195 */
272 TPM_UNDEFINED,
273 TPM_UNDEFINED,
274 TPM_UNDEFINED,
275 TPM_UNDEFINED,
276 TPM_SHORT, /* 200 */
277 TPM_UNDEFINED,
278 TPM_UNDEFINED,
279 TPM_UNDEFINED,
280 TPM_SHORT,
281 TPM_SHORT, /* 205 */
282 TPM_SHORT,
283 TPM_SHORT,
284 TPM_SHORT,
285 TPM_SHORT,
286 TPM_MEDIUM, /* 210 */
287 TPM_UNDEFINED,
288 TPM_MEDIUM,
289 TPM_MEDIUM,
290 TPM_MEDIUM,
291 TPM_UNDEFINED, /* 215 */
292 TPM_MEDIUM,
293 TPM_UNDEFINED,
294 TPM_UNDEFINED,
295 TPM_SHORT,
296 TPM_SHORT, /* 220 */
297 TPM_SHORT,
298 TPM_SHORT,
299 TPM_SHORT,
300 TPM_SHORT,
301 TPM_UNDEFINED, /* 225 */
302 TPM_UNDEFINED,
303 TPM_UNDEFINED,
304 TPM_UNDEFINED,
305 TPM_UNDEFINED,
306 TPM_SHORT, /* 230 */
307 TPM_LONG,
308 TPM_MEDIUM,
309 TPM_UNDEFINED,
310 TPM_UNDEFINED,
311 TPM_UNDEFINED, /* 235 */
312 TPM_UNDEFINED,
313 TPM_UNDEFINED,
314 TPM_UNDEFINED,
315 TPM_UNDEFINED,
316 TPM_SHORT, /* 240 */
317 TPM_UNDEFINED,
318 TPM_MEDIUM,
319};
41 320
42static void user_reader_timeout(unsigned long ptr) 321static void user_reader_timeout(unsigned long ptr)
43{ 322{
@@ -46,7 +325,7 @@ static void user_reader_timeout(unsigned long ptr)
46 schedule_work(&chip->work); 325 schedule_work(&chip->work);
47} 326}
48 327
49static void timeout_work(void * ptr) 328static void timeout_work(void *ptr)
50{ 329{
51 struct tpm_chip *chip = ptr; 330 struct tpm_chip *chip = ptr;
52 331
@@ -57,17 +336,43 @@ static void timeout_work(void * ptr)
57} 336}
58 337
59/* 338/*
339 * Returns max number of jiffies to wait
340 */
341unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip,
342 u32 ordinal)
343{
344 int duration_idx = TPM_UNDEFINED;
345 int duration = 0;
346
347 if (ordinal < TPM_MAX_ORDINAL)
348 duration_idx = tpm_ordinal_duration[ordinal];
349 else if ((ordinal & TPM_PROTECTED_ORDINAL_MASK) <
350 TPM_MAX_PROTECTED_ORDINAL)
351 duration_idx =
352 tpm_protected_ordinal_duration[ordinal &
353 TPM_PROTECTED_ORDINAL_MASK];
354
355 if (duration_idx != TPM_UNDEFINED)
356 duration = chip->vendor.duration[duration_idx];
357 if (duration <= 0)
358 return 2 * 60 * HZ;
359 else
360 return duration;
361}
362EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration);
363
364/*
60 * Internal kernel interface to transmit TPM commands 365 * Internal kernel interface to transmit TPM commands
61 */ 366 */
62static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf, 367static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
63 size_t bufsiz) 368 size_t bufsiz)
64{ 369{
65 ssize_t rc; 370 ssize_t rc;
66 u32 count; 371 u32 count, ordinal;
67 unsigned long stop; 372 unsigned long stop;
68 373
69 count = be32_to_cpu(*((__be32 *) (buf + 2))); 374 count = be32_to_cpu(*((__be32 *) (buf + 2)));
70 375 ordinal = be32_to_cpu(*((__be32 *) (buf + 6)));
71 if (count == 0) 376 if (count == 0)
72 return -ENODATA; 377 return -ENODATA;
73 if (count > bufsiz) { 378 if (count > bufsiz) {
@@ -78,21 +383,23 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
78 383
79 down(&chip->tpm_mutex); 384 down(&chip->tpm_mutex);
80 385
81 if ((rc = chip->vendor->send(chip, (u8 *) buf, count)) < 0) { 386 if ((rc = chip->vendor.send(chip, (u8 *) buf, count)) < 0) {
82 dev_err(chip->dev, 387 dev_err(chip->dev,
83 "tpm_transmit: tpm_send: error %zd\n", rc); 388 "tpm_transmit: tpm_send: error %zd\n", rc);
84 goto out; 389 goto out;
85 } 390 }
86 391
87 stop = jiffies + 2 * 60 * HZ; 392 if (chip->vendor.irq)
393 goto out_recv;
394
395 stop = jiffies + tpm_calc_ordinal_duration(chip, ordinal);
88 do { 396 do {
89 u8 status = chip->vendor->status(chip); 397 u8 status = chip->vendor.status(chip);
90 if ((status & chip->vendor->req_complete_mask) == 398 if ((status & chip->vendor.req_complete_mask) ==
91 chip->vendor->req_complete_val) { 399 chip->vendor.req_complete_val)
92 goto out_recv; 400 goto out_recv;
93 }
94 401
95 if ((status == chip->vendor->req_canceled)) { 402 if ((status == chip->vendor.req_canceled)) {
96 dev_err(chip->dev, "Operation Canceled\n"); 403 dev_err(chip->dev, "Operation Canceled\n");
97 rc = -ECANCELED; 404 rc = -ECANCELED;
98 goto out; 405 goto out;
@@ -102,14 +409,13 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
102 rmb(); 409 rmb();
103 } while (time_before(jiffies, stop)); 410 } while (time_before(jiffies, stop));
104 411
105 412 chip->vendor.cancel(chip);
106 chip->vendor->cancel(chip);
107 dev_err(chip->dev, "Operation Timed out\n"); 413 dev_err(chip->dev, "Operation Timed out\n");
108 rc = -ETIME; 414 rc = -ETIME;
109 goto out; 415 goto out;
110 416
111out_recv: 417out_recv:
112 rc = chip->vendor->recv(chip, (u8 *) buf, bufsiz); 418 rc = chip->vendor.recv(chip, (u8 *) buf, bufsiz);
113 if (rc < 0) 419 if (rc < 0)
114 dev_err(chip->dev, 420 dev_err(chip->dev,
115 "tpm_transmit: tpm_recv: error %zd\n", rc); 421 "tpm_transmit: tpm_recv: error %zd\n", rc);
@@ -119,17 +425,247 @@ out:
119} 425}
120 426
121#define TPM_DIGEST_SIZE 20 427#define TPM_DIGEST_SIZE 20
122#define CAP_PCR_RESULT_SIZE 18 428#define TPM_ERROR_SIZE 10
123static const u8 cap_pcr[] = { 429#define TPM_RET_CODE_IDX 6
430#define TPM_GET_CAP_RET_SIZE_IDX 10
431#define TPM_GET_CAP_RET_UINT32_1_IDX 14
432#define TPM_GET_CAP_RET_UINT32_2_IDX 18
433#define TPM_GET_CAP_RET_UINT32_3_IDX 22
434#define TPM_GET_CAP_RET_UINT32_4_IDX 26
435#define TPM_GET_CAP_PERM_DISABLE_IDX 16
436#define TPM_GET_CAP_PERM_INACTIVE_IDX 18
437#define TPM_GET_CAP_RET_BOOL_1_IDX 14
438#define TPM_GET_CAP_TEMP_INACTIVE_IDX 16
439
440#define TPM_CAP_IDX 13
441#define TPM_CAP_SUBCAP_IDX 21
442
443enum tpm_capabilities {
444 TPM_CAP_FLAG = 4,
445 TPM_CAP_PROP = 5,
446};
447
448enum tpm_sub_capabilities {
449 TPM_CAP_PROP_PCR = 0x1,
450 TPM_CAP_PROP_MANUFACTURER = 0x3,
451 TPM_CAP_FLAG_PERM = 0x8,
452 TPM_CAP_FLAG_VOL = 0x9,
453 TPM_CAP_PROP_OWNER = 0x11,
454 TPM_CAP_PROP_TIS_TIMEOUT = 0x15,
455 TPM_CAP_PROP_TIS_DURATION = 0x20,
456};
457
458/*
459 * This is a semi generic GetCapability command for use
460 * with the capability type TPM_CAP_PROP or TPM_CAP_FLAG
461 * and their associated sub_capabilities.
462 */
463
464static const u8 tpm_cap[] = {
124 0, 193, /* TPM_TAG_RQU_COMMAND */ 465 0, 193, /* TPM_TAG_RQU_COMMAND */
125 0, 0, 0, 22, /* length */ 466 0, 0, 0, 22, /* length */
126 0, 0, 0, 101, /* TPM_ORD_GetCapability */ 467 0, 0, 0, 101, /* TPM_ORD_GetCapability */
127 0, 0, 0, 5, 468 0, 0, 0, 0, /* TPM_CAP_<TYPE> */
128 0, 0, 0, 4, 469 0, 0, 0, 4, /* TPM_CAP_SUB_<TYPE> size */
129 0, 0, 1, 1 470 0, 0, 1, 0 /* TPM_CAP_SUB_<TYPE> */
130}; 471};
131 472
132#define READ_PCR_RESULT_SIZE 30 473static ssize_t transmit_cmd(struct tpm_chip *chip, u8 *data, int len,
474 char *desc)
475{
476 int err;
477
478 len = tpm_transmit(chip, data, len);
479 if (len < 0)
480 return len;
481 if (len == TPM_ERROR_SIZE) {
482 err = be32_to_cpu(*((__be32 *) (data + TPM_RET_CODE_IDX)));
483 dev_dbg(chip->dev, "A TPM error (%d) occurred %s\n", err, desc);
484 return err;
485 }
486 return 0;
487}
488
489void tpm_gen_interrupt(struct tpm_chip *chip)
490{
491 u8 data[max_t(int, ARRAY_SIZE(tpm_cap), 30)];
492 ssize_t rc;
493
494 memcpy(data, tpm_cap, sizeof(tpm_cap));
495 data[TPM_CAP_IDX] = TPM_CAP_PROP;
496 data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_TIS_TIMEOUT;
497
498 rc = transmit_cmd(chip, data, sizeof(data),
499 "attempting to determine the timeouts");
500}
501EXPORT_SYMBOL_GPL(tpm_gen_interrupt);
502
503void tpm_get_timeouts(struct tpm_chip *chip)
504{
505 u8 data[max_t(int, ARRAY_SIZE(tpm_cap), 30)];
506 ssize_t rc;
507 u32 timeout;
508
509 memcpy(data, tpm_cap, sizeof(tpm_cap));
510 data[TPM_CAP_IDX] = TPM_CAP_PROP;
511 data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_TIS_TIMEOUT;
512
513 rc = transmit_cmd(chip, data, sizeof(data),
514 "attempting to determine the timeouts");
515 if (rc)
516 goto duration;
517
518 if (be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_SIZE_IDX)))
519 != 4 * sizeof(u32))
520 goto duration;
521
522 /* Don't overwrite default if value is 0 */
523 timeout =
524 be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_1_IDX)));
525 if (timeout)
526 chip->vendor.timeout_a = msecs_to_jiffies(timeout);
527 timeout =
528 be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_2_IDX)));
529 if (timeout)
530 chip->vendor.timeout_b = msecs_to_jiffies(timeout);
531 timeout =
532 be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_3_IDX)));
533 if (timeout)
534 chip->vendor.timeout_c = msecs_to_jiffies(timeout);
535 timeout =
536 be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_4_IDX)));
537 if (timeout)
538 chip->vendor.timeout_d = msecs_to_jiffies(timeout);
539
540duration:
541 memcpy(data, tpm_cap, sizeof(tpm_cap));
542 data[TPM_CAP_IDX] = TPM_CAP_PROP;
543 data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_TIS_DURATION;
544
545 rc = transmit_cmd(chip, data, sizeof(data),
546 "attempting to determine the durations");
547 if (rc)
548 return;
549
550 if (be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_SIZE_IDX)))
551 != 3 * sizeof(u32))
552 return;
553
554 chip->vendor.duration[TPM_SHORT] =
555 msecs_to_jiffies(be32_to_cpu
556 (*((__be32 *) (data +
557 TPM_GET_CAP_RET_UINT32_1_IDX))));
558 chip->vendor.duration[TPM_MEDIUM] =
559 msecs_to_jiffies(be32_to_cpu
560 (*((__be32 *) (data +
561 TPM_GET_CAP_RET_UINT32_2_IDX))));
562 chip->vendor.duration[TPM_LONG] =
563 msecs_to_jiffies(be32_to_cpu
564 (*((__be32 *) (data +
565 TPM_GET_CAP_RET_UINT32_3_IDX))));
566}
567EXPORT_SYMBOL_GPL(tpm_get_timeouts);
568
569void tpm_continue_selftest(struct tpm_chip *chip)
570{
571 u8 data[] = {
572 0, 193, /* TPM_TAG_RQU_COMMAND */
573 0, 0, 0, 10, /* length */
574 0, 0, 0, 83, /* TPM_ORD_GetCapability */
575 };
576
577 tpm_transmit(chip, data, sizeof(data));
578}
579EXPORT_SYMBOL_GPL(tpm_continue_selftest);
580
581ssize_t tpm_show_enabled(struct device * dev, struct device_attribute * attr,
582 char *buf)
583{
584 u8 data[max_t(int, ARRAY_SIZE(tpm_cap), 35)];
585 ssize_t rc;
586
587 struct tpm_chip *chip = dev_get_drvdata(dev);
588 if (chip == NULL)
589 return -ENODEV;
590
591 memcpy(data, tpm_cap, sizeof(tpm_cap));
592 data[TPM_CAP_IDX] = TPM_CAP_FLAG;
593 data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_FLAG_PERM;
594
595 rc = transmit_cmd(chip, data, sizeof(data),
596 "attemtping to determine the permanent state");
597 if (rc)
598 return 0;
599 return sprintf(buf, "%d\n", !data[TPM_GET_CAP_PERM_DISABLE_IDX]);
600}
601EXPORT_SYMBOL_GPL(tpm_show_enabled);
602
603ssize_t tpm_show_active(struct device * dev, struct device_attribute * attr,
604 char *buf)
605{
606 u8 data[max_t(int, ARRAY_SIZE(tpm_cap), 35)];
607 ssize_t rc;
608
609 struct tpm_chip *chip = dev_get_drvdata(dev);
610 if (chip == NULL)
611 return -ENODEV;
612
613 memcpy(data, tpm_cap, sizeof(tpm_cap));
614 data[TPM_CAP_IDX] = TPM_CAP_FLAG;
615 data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_FLAG_PERM;
616
617 rc = transmit_cmd(chip, data, sizeof(data),
618 "attemtping to determine the permanent state");
619 if (rc)
620 return 0;
621 return sprintf(buf, "%d\n", !data[TPM_GET_CAP_PERM_INACTIVE_IDX]);
622}
623EXPORT_SYMBOL_GPL(tpm_show_active);
624
625ssize_t tpm_show_owned(struct device * dev, struct device_attribute * attr,
626 char *buf)
627{
628 u8 data[sizeof(tpm_cap)];
629 ssize_t rc;
630
631 struct tpm_chip *chip = dev_get_drvdata(dev);
632 if (chip == NULL)
633 return -ENODEV;
634
635 memcpy(data, tpm_cap, sizeof(tpm_cap));
636 data[TPM_CAP_IDX] = TPM_CAP_PROP;
637 data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_OWNER;
638
639 rc = transmit_cmd(chip, data, sizeof(data),
640 "attempting to determine the owner state");
641 if (rc)
642 return 0;
643 return sprintf(buf, "%d\n", data[TPM_GET_CAP_RET_BOOL_1_IDX]);
644}
645EXPORT_SYMBOL_GPL(tpm_show_owned);
646
647ssize_t tpm_show_temp_deactivated(struct device * dev,
648 struct device_attribute * attr, char *buf)
649{
650 u8 data[sizeof(tpm_cap)];
651 ssize_t rc;
652
653 struct tpm_chip *chip = dev_get_drvdata(dev);
654 if (chip == NULL)
655 return -ENODEV;
656
657 memcpy(data, tpm_cap, sizeof(tpm_cap));
658 data[TPM_CAP_IDX] = TPM_CAP_FLAG;
659 data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_FLAG_VOL;
660
661 rc = transmit_cmd(chip, data, sizeof(data),
662 "attempting to determine the temporary state");
663 if (rc)
664 return 0;
665 return sprintf(buf, "%d\n", data[TPM_GET_CAP_TEMP_INACTIVE_IDX]);
666}
667EXPORT_SYMBOL_GPL(tpm_show_temp_deactivated);
668
133static const u8 pcrread[] = { 669static const u8 pcrread[] = {
134 0, 193, /* TPM_TAG_RQU_COMMAND */ 670 0, 193, /* TPM_TAG_RQU_COMMAND */
135 0, 0, 0, 14, /* length */ 671 0, 0, 0, 14, /* length */
@@ -140,8 +676,8 @@ static const u8 pcrread[] = {
140ssize_t tpm_show_pcrs(struct device *dev, struct device_attribute *attr, 676ssize_t tpm_show_pcrs(struct device *dev, struct device_attribute *attr,
141 char *buf) 677 char *buf)
142{ 678{
143 u8 data[READ_PCR_RESULT_SIZE]; 679 u8 data[max_t(int, max(ARRAY_SIZE(tpm_cap), ARRAY_SIZE(pcrread)), 30)];
144 ssize_t len; 680 ssize_t rc;
145 int i, j, num_pcrs; 681 int i, j, num_pcrs;
146 __be32 index; 682 __be32 index;
147 char *str = buf; 683 char *str = buf;
@@ -150,29 +686,24 @@ ssize_t tpm_show_pcrs(struct device *dev, struct device_attribute *attr,
150 if (chip == NULL) 686 if (chip == NULL)
151 return -ENODEV; 687 return -ENODEV;
152 688
153 memcpy(data, cap_pcr, sizeof(cap_pcr)); 689 memcpy(data, tpm_cap, sizeof(tpm_cap));
154 if ((len = tpm_transmit(chip, data, sizeof(data))) 690 data[TPM_CAP_IDX] = TPM_CAP_PROP;
155 < CAP_PCR_RESULT_SIZE) { 691 data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_PCR;
156 dev_dbg(chip->dev, "A TPM error (%d) occurred " 692
157 "attempting to determine the number of PCRS\n", 693 rc = transmit_cmd(chip, data, sizeof(data),
158 be32_to_cpu(*((__be32 *) (data + 6)))); 694 "attempting to determine the number of PCRS");
695 if (rc)
159 return 0; 696 return 0;
160 }
161 697
162 num_pcrs = be32_to_cpu(*((__be32 *) (data + 14))); 698 num_pcrs = be32_to_cpu(*((__be32 *) (data + 14)));
163
164 for (i = 0; i < num_pcrs; i++) { 699 for (i = 0; i < num_pcrs; i++) {
165 memcpy(data, pcrread, sizeof(pcrread)); 700 memcpy(data, pcrread, sizeof(pcrread));
166 index = cpu_to_be32(i); 701 index = cpu_to_be32(i);
167 memcpy(data + 10, &index, 4); 702 memcpy(data + 10, &index, 4);
168 if ((len = tpm_transmit(chip, data, sizeof(data))) 703 rc = transmit_cmd(chip, data, sizeof(data),
169 < READ_PCR_RESULT_SIZE){ 704 "attempting to read a PCR");
170 dev_dbg(chip->dev, "A TPM error (%d) occurred" 705 if (rc)
171 " attempting to read PCR %d of %d\n",
172 be32_to_cpu(*((__be32 *) (data + 6))),
173 i, num_pcrs);
174 goto out; 706 goto out;
175 }
176 str += sprintf(str, "PCR-%02d: ", i); 707 str += sprintf(str, "PCR-%02d: ", i);
177 for (j = 0; j < TPM_DIGEST_SIZE; j++) 708 for (j = 0; j < TPM_DIGEST_SIZE; j++)
178 str += sprintf(str, "%02X ", *(data + 10 + j)); 709 str += sprintf(str, "%02X ", *(data + 10 + j));
@@ -194,7 +725,7 @@ ssize_t tpm_show_pubek(struct device *dev, struct device_attribute *attr,
194 char *buf) 725 char *buf)
195{ 726{
196 u8 *data; 727 u8 *data;
197 ssize_t len; 728 ssize_t err;
198 int i, rc; 729 int i, rc;
199 char *str = buf; 730 char *str = buf;
200 731
@@ -208,14 +739,10 @@ ssize_t tpm_show_pubek(struct device *dev, struct device_attribute *attr,
208 739
209 memcpy(data, readpubek, sizeof(readpubek)); 740 memcpy(data, readpubek, sizeof(readpubek));
210 741
211 if ((len = tpm_transmit(chip, data, READ_PUBEK_RESULT_SIZE)) < 742 err = transmit_cmd(chip, data, READ_PUBEK_RESULT_SIZE,
212 READ_PUBEK_RESULT_SIZE) { 743 "attempting to read the PUBEK");
213 dev_dbg(chip->dev, "A TPM error (%d) occurred " 744 if (err)
214 "attempting to read the PUBEK\n",
215 be32_to_cpu(*((__be32 *) (data + 6))));
216 rc = 0;
217 goto out; 745 goto out;
218 }
219 746
220 /* 747 /*
221 ignore header 10 bytes 748 ignore header 10 bytes
@@ -245,67 +772,110 @@ ssize_t tpm_show_pubek(struct device *dev, struct device_attribute *attr,
245 if ((i + 1) % 16 == 0) 772 if ((i + 1) % 16 == 0)
246 str += sprintf(str, "\n"); 773 str += sprintf(str, "\n");
247 } 774 }
248 rc = str - buf;
249out: 775out:
776 rc = str - buf;
250 kfree(data); 777 kfree(data);
251 return rc; 778 return rc;
252} 779}
253EXPORT_SYMBOL_GPL(tpm_show_pubek); 780EXPORT_SYMBOL_GPL(tpm_show_pubek);
254 781
255#define CAP_VER_RESULT_SIZE 18 782#define CAP_VERSION_1_1 6
783#define CAP_VERSION_1_2 0x1A
784#define CAP_VERSION_IDX 13
256static const u8 cap_version[] = { 785static const u8 cap_version[] = {
257 0, 193, /* TPM_TAG_RQU_COMMAND */ 786 0, 193, /* TPM_TAG_RQU_COMMAND */
258 0, 0, 0, 18, /* length */ 787 0, 0, 0, 18, /* length */
259 0, 0, 0, 101, /* TPM_ORD_GetCapability */ 788 0, 0, 0, 101, /* TPM_ORD_GetCapability */
260 0, 0, 0, 6, 789 0, 0, 0, 0,
261 0, 0, 0, 0 790 0, 0, 0, 0
262}; 791};
263 792
264#define CAP_MANUFACTURER_RESULT_SIZE 18
265static const u8 cap_manufacturer[] = {
266 0, 193, /* TPM_TAG_RQU_COMMAND */
267 0, 0, 0, 22, /* length */
268 0, 0, 0, 101, /* TPM_ORD_GetCapability */
269 0, 0, 0, 5,
270 0, 0, 0, 4,
271 0, 0, 1, 3
272};
273
274ssize_t tpm_show_caps(struct device *dev, struct device_attribute *attr, 793ssize_t tpm_show_caps(struct device *dev, struct device_attribute *attr,
275 char *buf) 794 char *buf)
276{ 795{
277 u8 data[sizeof(cap_manufacturer)]; 796 u8 data[max_t(int, max(ARRAY_SIZE(tpm_cap), ARRAY_SIZE(cap_version)), 30)];
278 ssize_t len; 797 ssize_t rc;
279 char *str = buf; 798 char *str = buf;
280 799
281 struct tpm_chip *chip = dev_get_drvdata(dev); 800 struct tpm_chip *chip = dev_get_drvdata(dev);
282 if (chip == NULL) 801 if (chip == NULL)
283 return -ENODEV; 802 return -ENODEV;
284 803
285 memcpy(data, cap_manufacturer, sizeof(cap_manufacturer)); 804 memcpy(data, tpm_cap, sizeof(tpm_cap));
805 data[TPM_CAP_IDX] = TPM_CAP_PROP;
806 data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_MANUFACTURER;
286 807
287 if ((len = tpm_transmit(chip, data, sizeof(data))) < 808 rc = transmit_cmd(chip, data, sizeof(data),
288 CAP_MANUFACTURER_RESULT_SIZE) 809 "attempting to determine the manufacturer");
289 return len; 810 if (rc)
811 return 0;
290 812
291 str += sprintf(str, "Manufacturer: 0x%x\n", 813 str += sprintf(str, "Manufacturer: 0x%x\n",
292 be32_to_cpu(*((__be32 *) (data + 14)))); 814 be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_1_IDX))));
293 815
294 memcpy(data, cap_version, sizeof(cap_version)); 816 memcpy(data, cap_version, sizeof(cap_version));
817 data[CAP_VERSION_IDX] = CAP_VERSION_1_1;
818 rc = transmit_cmd(chip, data, sizeof(data),
819 "attempting to determine the 1.1 version");
820 if (rc)
821 goto out;
295 822
296 if ((len = tpm_transmit(chip, data, sizeof(data))) < 823 str += sprintf(str,
297 CAP_VER_RESULT_SIZE) 824 "TCG version: %d.%d\nFirmware version: %d.%d\n",
298 return len; 825 (int) data[14], (int) data[15], (int) data[16],
299 826 (int) data[17]);
300 str +=
301 sprintf(str, "TCG version: %d.%d\nFirmware version: %d.%d\n",
302 (int) data[14], (int) data[15], (int) data[16],
303 (int) data[17]);
304 827
828out:
305 return str - buf; 829 return str - buf;
306} 830}
307EXPORT_SYMBOL_GPL(tpm_show_caps); 831EXPORT_SYMBOL_GPL(tpm_show_caps);
308 832
833ssize_t tpm_show_caps_1_2(struct device * dev,
834 struct device_attribute * attr, char *buf)
835{
836 u8 data[max_t(int, max(ARRAY_SIZE(tpm_cap), ARRAY_SIZE(cap_version)), 30)];
837 ssize_t len;
838 char *str = buf;
839
840 struct tpm_chip *chip = dev_get_drvdata(dev);
841 if (chip == NULL)
842 return -ENODEV;
843
844 memcpy(data, tpm_cap, sizeof(tpm_cap));
845 data[TPM_CAP_IDX] = TPM_CAP_PROP;
846 data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_MANUFACTURER;
847
848 if ((len = tpm_transmit(chip, data, sizeof(data))) <=
849 TPM_ERROR_SIZE) {
850 dev_dbg(chip->dev, "A TPM error (%d) occurred "
851 "attempting to determine the manufacturer\n",
852 be32_to_cpu(*((__be32 *) (data + TPM_RET_CODE_IDX))));
853 return 0;
854 }
855
856 str += sprintf(str, "Manufacturer: 0x%x\n",
857 be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_1_IDX))));
858
859 memcpy(data, cap_version, sizeof(cap_version));
860 data[CAP_VERSION_IDX] = CAP_VERSION_1_2;
861
862 if ((len = tpm_transmit(chip, data, sizeof(data))) <=
863 TPM_ERROR_SIZE) {
864 dev_err(chip->dev, "A TPM error (%d) occurred "
865 "attempting to determine the 1.2 version\n",
866 be32_to_cpu(*((__be32 *) (data + TPM_RET_CODE_IDX))));
867 goto out;
868 }
869 str += sprintf(str,
870 "TCG version: %d.%d\nFirmware version: %d.%d\n",
871 (int) data[16], (int) data[17], (int) data[18],
872 (int) data[19]);
873
874out:
875 return str - buf;
876}
877EXPORT_SYMBOL_GPL(tpm_show_caps_1_2);
878
309ssize_t tpm_store_cancel(struct device *dev, struct device_attribute *attr, 879ssize_t tpm_store_cancel(struct device *dev, struct device_attribute *attr,
310 const char *buf, size_t count) 880 const char *buf, size_t count)
311{ 881{
@@ -313,7 +883,7 @@ ssize_t tpm_store_cancel(struct device *dev, struct device_attribute *attr,
313 if (chip == NULL) 883 if (chip == NULL)
314 return 0; 884 return 0;
315 885
316 chip->vendor->cancel(chip); 886 chip->vendor.cancel(chip);
317 return count; 887 return count;
318} 888}
319EXPORT_SYMBOL_GPL(tpm_store_cancel); 889EXPORT_SYMBOL_GPL(tpm_store_cancel);
@@ -329,7 +899,7 @@ int tpm_open(struct inode *inode, struct file *file)
329 spin_lock(&driver_lock); 899 spin_lock(&driver_lock);
330 900
331 list_for_each_entry(pos, &tpm_chip_list, list) { 901 list_for_each_entry(pos, &tpm_chip_list, list) {
332 if (pos->vendor->miscdev.minor == minor) { 902 if (pos->vendor.miscdev.minor == minor) {
333 chip = pos; 903 chip = pos;
334 break; 904 break;
335 } 905 }
@@ -387,7 +957,7 @@ int tpm_release(struct inode *inode, struct file *file)
387EXPORT_SYMBOL_GPL(tpm_release); 957EXPORT_SYMBOL_GPL(tpm_release);
388 958
389ssize_t tpm_write(struct file *file, const char __user *buf, 959ssize_t tpm_write(struct file *file, const char __user *buf,
390 size_t size, loff_t * off) 960 size_t size, loff_t *off)
391{ 961{
392 struct tpm_chip *chip = file->private_data; 962 struct tpm_chip *chip = file->private_data;
393 int in_size = size, out_size; 963 int in_size = size, out_size;
@@ -419,11 +989,10 @@ ssize_t tpm_write(struct file *file, const char __user *buf,
419 989
420 return in_size; 990 return in_size;
421} 991}
422
423EXPORT_SYMBOL_GPL(tpm_write); 992EXPORT_SYMBOL_GPL(tpm_write);
424 993
425ssize_t tpm_read(struct file * file, char __user *buf, 994ssize_t tpm_read(struct file *file, char __user *buf,
426 size_t size, loff_t * off) 995 size_t size, loff_t *off)
427{ 996{
428 struct tpm_chip *chip = file->private_data; 997 struct tpm_chip *chip = file->private_data;
429 int ret_size; 998 int ret_size;
@@ -462,14 +1031,13 @@ void tpm_remove_hardware(struct device *dev)
462 spin_unlock(&driver_lock); 1031 spin_unlock(&driver_lock);
463 1032
464 dev_set_drvdata(dev, NULL); 1033 dev_set_drvdata(dev, NULL);
465 misc_deregister(&chip->vendor->miscdev); 1034 misc_deregister(&chip->vendor.miscdev);
466 kfree(chip->vendor->miscdev.name); 1035 kfree(chip->vendor.miscdev.name);
467 1036
468 sysfs_remove_group(&dev->kobj, chip->vendor->attr_group); 1037 sysfs_remove_group(&dev->kobj, chip->vendor.attr_group);
469 tpm_bios_log_teardown(chip->bios_dir); 1038 tpm_bios_log_teardown(chip->bios_dir);
470 1039
471 dev_mask[chip->dev_num / TPM_NUM_MASK_ENTRIES ] &= 1040 clear_bit(chip->dev_num, dev_mask);
472 ~(1 << (chip->dev_num % TPM_NUM_MASK_ENTRIES));
473 1041
474 kfree(chip); 1042 kfree(chip);
475 1043
@@ -520,18 +1088,18 @@ EXPORT_SYMBOL_GPL(tpm_pm_resume);
520 * upon errant exit from this function specific probe function should call 1088 * upon errant exit from this function specific probe function should call
521 * pci_disable_device 1089 * pci_disable_device
522 */ 1090 */
523int tpm_register_hardware(struct device *dev, struct tpm_vendor_specific *entry) 1091struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vendor_specific
1092 *entry)
524{ 1093{
525#define DEVNAME_SIZE 7 1094#define DEVNAME_SIZE 7
526 1095
527 char *devname; 1096 char *devname;
528 struct tpm_chip *chip; 1097 struct tpm_chip *chip;
529 int i, j;
530 1098
531 /* Driver specific per-device data */ 1099 /* Driver specific per-device data */
532 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1100 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
533 if (chip == NULL) 1101 if (chip == NULL)
534 return -ENOMEM; 1102 return NULL;
535 1103
536 init_MUTEX(&chip->buffer_mutex); 1104 init_MUTEX(&chip->buffer_mutex);
537 init_MUTEX(&chip->tpm_mutex); 1105 init_MUTEX(&chip->tpm_mutex);
@@ -543,45 +1111,37 @@ int tpm_register_hardware(struct device *dev, struct tpm_vendor_specific *entry)
543 chip->user_read_timer.function = user_reader_timeout; 1111 chip->user_read_timer.function = user_reader_timeout;
544 chip->user_read_timer.data = (unsigned long) chip; 1112 chip->user_read_timer.data = (unsigned long) chip;
545 1113
546 chip->vendor = entry; 1114 memcpy(&chip->vendor, entry, sizeof(struct tpm_vendor_specific));
547
548 chip->dev_num = -1;
549 1115
550 for (i = 0; i < TPM_NUM_MASK_ENTRIES; i++) 1116 chip->dev_num = find_first_zero_bit(dev_mask, TPM_NUM_DEVICES);
551 for (j = 0; j < 8 * sizeof(int); j++)
552 if ((dev_mask[i] & (1 << j)) == 0) {
553 chip->dev_num =
554 i * TPM_NUM_MASK_ENTRIES + j;
555 dev_mask[i] |= 1 << j;
556 goto dev_num_search_complete;
557 }
558 1117
559dev_num_search_complete: 1118 if (chip->dev_num >= TPM_NUM_DEVICES) {
560 if (chip->dev_num < 0) {
561 dev_err(dev, "No available tpm device numbers\n"); 1119 dev_err(dev, "No available tpm device numbers\n");
562 kfree(chip); 1120 kfree(chip);
563 return -ENODEV; 1121 return NULL;
564 } else if (chip->dev_num == 0) 1122 } else if (chip->dev_num == 0)
565 chip->vendor->miscdev.minor = TPM_MINOR; 1123 chip->vendor.miscdev.minor = TPM_MINOR;
566 else 1124 else
567 chip->vendor->miscdev.minor = MISC_DYNAMIC_MINOR; 1125 chip->vendor.miscdev.minor = MISC_DYNAMIC_MINOR;
1126
1127 set_bit(chip->dev_num, dev_mask);
568 1128
569 devname = kmalloc(DEVNAME_SIZE, GFP_KERNEL); 1129 devname = kmalloc(DEVNAME_SIZE, GFP_KERNEL);
570 scnprintf(devname, DEVNAME_SIZE, "%s%d", "tpm", chip->dev_num); 1130 scnprintf(devname, DEVNAME_SIZE, "%s%d", "tpm", chip->dev_num);
571 chip->vendor->miscdev.name = devname; 1131 chip->vendor.miscdev.name = devname;
572 1132
573 chip->vendor->miscdev.dev = dev; 1133 chip->vendor.miscdev.dev = dev;
574 chip->dev = get_device(dev); 1134 chip->dev = get_device(dev);
575 1135
576 if (misc_register(&chip->vendor->miscdev)) { 1136 if (misc_register(&chip->vendor.miscdev)) {
577 dev_err(chip->dev, 1137 dev_err(chip->dev,
578 "unable to misc_register %s, minor %d\n", 1138 "unable to misc_register %s, minor %d\n",
579 chip->vendor->miscdev.name, 1139 chip->vendor.miscdev.name,
580 chip->vendor->miscdev.minor); 1140 chip->vendor.miscdev.minor);
581 put_device(dev); 1141 put_device(dev);
1142 clear_bit(chip->dev_num, dev_mask);
582 kfree(chip); 1143 kfree(chip);
583 dev_mask[i] &= !(1 << j); 1144 return NULL;
584 return -ENODEV;
585 } 1145 }
586 1146
587 spin_lock(&driver_lock); 1147 spin_lock(&driver_lock);
@@ -592,11 +1152,11 @@ dev_num_search_complete:
592 1152
593 spin_unlock(&driver_lock); 1153 spin_unlock(&driver_lock);
594 1154
595 sysfs_create_group(&dev->kobj, chip->vendor->attr_group); 1155 sysfs_create_group(&dev->kobj, chip->vendor.attr_group);
596 1156
597 chip->bios_dir = tpm_bios_log_setup(devname); 1157 chip->bios_dir = tpm_bios_log_setup(devname);
598 1158
599 return 0; 1159 return chip;
600} 1160}
601EXPORT_SYMBOL_GPL(tpm_register_hardware); 1161EXPORT_SYMBOL_GPL(tpm_register_hardware);
602 1162
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index dec0224b4478..54a4c804e25f 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -42,18 +42,30 @@ extern ssize_t tpm_show_pcrs(struct device *, struct device_attribute *attr,
42 char *); 42 char *);
43extern ssize_t tpm_show_caps(struct device *, struct device_attribute *attr, 43extern ssize_t tpm_show_caps(struct device *, struct device_attribute *attr,
44 char *); 44 char *);
45extern ssize_t tpm_show_caps_1_2(struct device *, struct device_attribute *attr,
46 char *);
45extern ssize_t tpm_store_cancel(struct device *, struct device_attribute *attr, 47extern ssize_t tpm_store_cancel(struct device *, struct device_attribute *attr,
46 const char *, size_t); 48 const char *, size_t);
49extern ssize_t tpm_show_enabled(struct device *, struct device_attribute *attr,
50 char *);
51extern ssize_t tpm_show_active(struct device *, struct device_attribute *attr,
52 char *);
53extern ssize_t tpm_show_owned(struct device *, struct device_attribute *attr,
54 char *);
55extern ssize_t tpm_show_temp_deactivated(struct device *,
56 struct device_attribute *attr, char *);
47 57
48struct tpm_chip; 58struct tpm_chip;
49 59
50struct tpm_vendor_specific { 60struct tpm_vendor_specific {
51 u8 req_complete_mask; 61 const u8 req_complete_mask;
52 u8 req_complete_val; 62 const u8 req_complete_val;
53 u8 req_canceled; 63 const u8 req_canceled;
54 void __iomem *iobase; /* ioremapped address */ 64 void __iomem *iobase; /* ioremapped address */
55 unsigned long base; /* TPM base address */ 65 unsigned long base; /* TPM base address */
56 66
67 int irq;
68
57 int region_size; 69 int region_size;
58 int have_region; 70 int have_region;
59 71
@@ -63,6 +75,13 @@ struct tpm_vendor_specific {
63 u8 (*status) (struct tpm_chip *); 75 u8 (*status) (struct tpm_chip *);
64 struct miscdevice miscdev; 76 struct miscdevice miscdev;
65 struct attribute_group *attr_group; 77 struct attribute_group *attr_group;
78 struct list_head list;
79 int locality;
80 unsigned long timeout_a, timeout_b, timeout_c, timeout_d; /* jiffies */
81 unsigned long duration[3]; /* jiffies */
82
83 wait_queue_head_t read_queue;
84 wait_queue_head_t int_queue;
66}; 85};
67 86
68struct tpm_chip { 87struct tpm_chip {
@@ -81,13 +100,15 @@ struct tpm_chip {
81 struct work_struct work; 100 struct work_struct work;
82 struct semaphore tpm_mutex; /* tpm is processing */ 101 struct semaphore tpm_mutex; /* tpm is processing */
83 102
84 struct tpm_vendor_specific *vendor; 103 struct tpm_vendor_specific vendor;
85 104
86 struct dentry **bios_dir; 105 struct dentry **bios_dir;
87 106
88 struct list_head list; 107 struct list_head list;
89}; 108};
90 109
110#define to_tpm_chip(n) container_of(n, struct tpm_chip, vendor)
111
91static inline int tpm_read_index(int base, int index) 112static inline int tpm_read_index(int base, int index)
92{ 113{
93 outb(index, base); 114 outb(index, base);
@@ -100,8 +121,12 @@ static inline void tpm_write_index(int base, int index, int value)
100 outb(value & 0xFF, base+1); 121 outb(value & 0xFF, base+1);
101} 122}
102 123
103extern int tpm_register_hardware(struct device *, 124extern void tpm_get_timeouts(struct tpm_chip *);
104 struct tpm_vendor_specific *); 125extern void tpm_gen_interrupt(struct tpm_chip *);
126extern void tpm_continue_selftest(struct tpm_chip *);
127extern unsigned long tpm_calc_ordinal_duration(struct tpm_chip *, u32);
128extern struct tpm_chip* tpm_register_hardware(struct device *,
129 const struct tpm_vendor_specific *);
105extern int tpm_open(struct inode *, struct file *); 130extern int tpm_open(struct inode *, struct file *);
106extern int tpm_release(struct inode *, struct file *); 131extern int tpm_release(struct inode *, struct file *);
107extern ssize_t tpm_write(struct file *, const char __user *, size_t, 132extern ssize_t tpm_write(struct file *, const char __user *, size_t,
diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c
index ff3654964fe3..58a258cec153 100644
--- a/drivers/char/tpm/tpm_atmel.c
+++ b/drivers/char/tpm/tpm_atmel.c
@@ -47,12 +47,12 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
47 return -EIO; 47 return -EIO;
48 48
49 for (i = 0; i < 6; i++) { 49 for (i = 0; i < 6; i++) {
50 status = ioread8(chip->vendor->iobase + 1); 50 status = ioread8(chip->vendor.iobase + 1);
51 if ((status & ATML_STATUS_DATA_AVAIL) == 0) { 51 if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
52 dev_err(chip->dev, "error reading header\n"); 52 dev_err(chip->dev, "error reading header\n");
53 return -EIO; 53 return -EIO;
54 } 54 }
55 *buf++ = ioread8(chip->vendor->iobase); 55 *buf++ = ioread8(chip->vendor.iobase);
56 } 56 }
57 57
58 /* size of the data received */ 58 /* size of the data received */
@@ -63,7 +63,7 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
63 dev_err(chip->dev, 63 dev_err(chip->dev,
64 "Recv size(%d) less than available space\n", size); 64 "Recv size(%d) less than available space\n", size);
65 for (; i < size; i++) { /* clear the waiting data anyway */ 65 for (; i < size; i++) { /* clear the waiting data anyway */
66 status = ioread8(chip->vendor->iobase + 1); 66 status = ioread8(chip->vendor.iobase + 1);
67 if ((status & ATML_STATUS_DATA_AVAIL) == 0) { 67 if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
68 dev_err(chip->dev, "error reading data\n"); 68 dev_err(chip->dev, "error reading data\n");
69 return -EIO; 69 return -EIO;
@@ -74,16 +74,16 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
74 74
75 /* read all the data available */ 75 /* read all the data available */
76 for (; i < size; i++) { 76 for (; i < size; i++) {
77 status = ioread8(chip->vendor->iobase + 1); 77 status = ioread8(chip->vendor.iobase + 1);
78 if ((status & ATML_STATUS_DATA_AVAIL) == 0) { 78 if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
79 dev_err(chip->dev, "error reading data\n"); 79 dev_err(chip->dev, "error reading data\n");
80 return -EIO; 80 return -EIO;
81 } 81 }
82 *buf++ = ioread8(chip->vendor->iobase); 82 *buf++ = ioread8(chip->vendor.iobase);
83 } 83 }
84 84
85 /* make sure data available is gone */ 85 /* make sure data available is gone */
86 status = ioread8(chip->vendor->iobase + 1); 86 status = ioread8(chip->vendor.iobase + 1);
87 87
88 if (status & ATML_STATUS_DATA_AVAIL) { 88 if (status & ATML_STATUS_DATA_AVAIL) {
89 dev_err(chip->dev, "data available is stuck\n"); 89 dev_err(chip->dev, "data available is stuck\n");
@@ -100,7 +100,7 @@ static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count)
100 dev_dbg(chip->dev, "tpm_atml_send:\n"); 100 dev_dbg(chip->dev, "tpm_atml_send:\n");
101 for (i = 0; i < count; i++) { 101 for (i = 0; i < count; i++) {
102 dev_dbg(chip->dev, "%d 0x%x(%d)\n", i, buf[i], buf[i]); 102 dev_dbg(chip->dev, "%d 0x%x(%d)\n", i, buf[i], buf[i]);
103 iowrite8(buf[i], chip->vendor->iobase); 103 iowrite8(buf[i], chip->vendor.iobase);
104 } 104 }
105 105
106 return count; 106 return count;
@@ -108,12 +108,12 @@ static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count)
108 108
109static void tpm_atml_cancel(struct tpm_chip *chip) 109static void tpm_atml_cancel(struct tpm_chip *chip)
110{ 110{
111 iowrite8(ATML_STATUS_ABORT, chip->vendor->iobase + 1); 111 iowrite8(ATML_STATUS_ABORT, chip->vendor.iobase + 1);
112} 112}
113 113
114static u8 tpm_atml_status(struct tpm_chip *chip) 114static u8 tpm_atml_status(struct tpm_chip *chip)
115{ 115{
116 return ioread8(chip->vendor->iobase + 1); 116 return ioread8(chip->vendor.iobase + 1);
117} 117}
118 118
119static struct file_operations atmel_ops = { 119static struct file_operations atmel_ops = {
@@ -140,7 +140,7 @@ static struct attribute* atmel_attrs[] = {
140 140
141static struct attribute_group atmel_attr_grp = { .attrs = atmel_attrs }; 141static struct attribute_group atmel_attr_grp = { .attrs = atmel_attrs };
142 142
143static struct tpm_vendor_specific tpm_atmel = { 143static const struct tpm_vendor_specific tpm_atmel = {
144 .recv = tpm_atml_recv, 144 .recv = tpm_atml_recv,
145 .send = tpm_atml_send, 145 .send = tpm_atml_send,
146 .cancel = tpm_atml_cancel, 146 .cancel = tpm_atml_cancel,
@@ -159,10 +159,10 @@ static void atml_plat_remove(void)
159 struct tpm_chip *chip = dev_get_drvdata(&pdev->dev); 159 struct tpm_chip *chip = dev_get_drvdata(&pdev->dev);
160 160
161 if (chip) { 161 if (chip) {
162 if (chip->vendor->have_region) 162 if (chip->vendor.have_region)
163 atmel_release_region(chip->vendor->base, 163 atmel_release_region(chip->vendor.base,
164 chip->vendor->region_size); 164 chip->vendor.region_size);
165 atmel_put_base_addr(chip->vendor); 165 atmel_put_base_addr(chip->vendor.iobase);
166 tpm_remove_hardware(chip->dev); 166 tpm_remove_hardware(chip->dev);
167 platform_device_unregister(pdev); 167 platform_device_unregister(pdev);
168 } 168 }
@@ -179,18 +179,22 @@ static struct device_driver atml_drv = {
179static int __init init_atmel(void) 179static int __init init_atmel(void)
180{ 180{
181 int rc = 0; 181 int rc = 0;
182 void __iomem *iobase = NULL;
183 int have_region, region_size;
184 unsigned long base;
185 struct tpm_chip *chip;
182 186
183 driver_register(&atml_drv); 187 driver_register(&atml_drv);
184 188
185 if ((tpm_atmel.iobase = atmel_get_base_addr(&tpm_atmel)) == NULL) { 189 if ((iobase = atmel_get_base_addr(&base, &region_size)) == NULL) {
186 rc = -ENODEV; 190 rc = -ENODEV;
187 goto err_unreg_drv; 191 goto err_unreg_drv;
188 } 192 }
189 193
190 tpm_atmel.have_region = 194 have_region =
191 (atmel_request_region 195 (atmel_request_region
192 (tpm_atmel.base, tpm_atmel.region_size, 196 (tpm_atmel.base, region_size, "tpm_atmel0") == NULL) ? 0 : 1;
193 "tpm_atmel0") == NULL) ? 0 : 1; 197
194 198
195 if (IS_ERR 199 if (IS_ERR
196 (pdev = 200 (pdev =
@@ -199,17 +203,25 @@ static int __init init_atmel(void)
199 goto err_rel_reg; 203 goto err_rel_reg;
200 } 204 }
201 205
202 if ((rc = tpm_register_hardware(&pdev->dev, &tpm_atmel)) < 0) 206 if (!(chip = tpm_register_hardware(&pdev->dev, &tpm_atmel))) {
207 rc = -ENODEV;
203 goto err_unreg_dev; 208 goto err_unreg_dev;
209 }
210
211 chip->vendor.iobase = iobase;
212 chip->vendor.base = base;
213 chip->vendor.have_region = have_region;
214 chip->vendor.region_size = region_size;
215
204 return 0; 216 return 0;
205 217
206err_unreg_dev: 218err_unreg_dev:
207 platform_device_unregister(pdev); 219 platform_device_unregister(pdev);
208err_rel_reg: 220err_rel_reg:
209 atmel_put_base_addr(&tpm_atmel); 221 atmel_put_base_addr(iobase);
210 if (tpm_atmel.have_region) 222 if (have_region)
211 atmel_release_region(tpm_atmel.base, 223 atmel_release_region(base,
212 tpm_atmel.region_size); 224 region_size);
213err_unreg_drv: 225err_unreg_drv:
214 driver_unregister(&atml_drv); 226 driver_unregister(&atml_drv);
215 return rc; 227 return rc;
diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h
index d3478aaadd77..2e68eeb8a2cd 100644
--- a/drivers/char/tpm/tpm_atmel.h
+++ b/drivers/char/tpm/tpm_atmel.h
@@ -28,13 +28,12 @@
28#define atmel_request_region request_mem_region 28#define atmel_request_region request_mem_region
29#define atmel_release_region release_mem_region 29#define atmel_release_region release_mem_region
30 30
31static inline void atmel_put_base_addr(struct tpm_vendor_specific 31static inline void atmel_put_base_addr(void __iomem *iobase)
32 *vendor)
33{ 32{
34 iounmap(vendor->iobase); 33 iounmap(iobase);
35} 34}
36 35
37static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific *vendor) 36static void __iomem * atmel_get_base_addr(unsigned long *base, int *region_size)
38{ 37{
39 struct device_node *dn; 38 struct device_node *dn;
40 unsigned long address, size; 39 unsigned long address, size;
@@ -71,9 +70,9 @@ static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific *vendor)
71 else 70 else
72 size = reg[naddrc]; 71 size = reg[naddrc];
73 72
74 vendor->base = address; 73 *base = address;
75 vendor->region_size = size; 74 *region_size = size;
76 return ioremap(vendor->base, vendor->region_size); 75 return ioremap(*base, *region_size);
77} 76}
78#else 77#else
79#define atmel_getb(chip, offset) inb(chip->vendor->base + offset) 78#define atmel_getb(chip, offset) inb(chip->vendor->base + offset)
@@ -106,14 +105,12 @@ static int atmel_verify_tpm11(void)
106 return 0; 105 return 0;
107} 106}
108 107
109static inline void atmel_put_base_addr(struct tpm_vendor_specific 108static inline void atmel_put_base_addr(void __iomem *iobase)
110 *vendor)
111{ 109{
112} 110}
113 111
114/* Determine where to talk to device */ 112/* Determine where to talk to device */
115static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific 113static void __iomem * atmel_get_base_addr(unsigned long *base, int *region_size)
116 *vendor)
117{ 114{
118 int lo, hi; 115 int lo, hi;
119 116
@@ -123,9 +120,9 @@ static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific
123 lo = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_LO); 120 lo = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_LO);
124 hi = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_HI); 121 hi = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_HI);
125 122
126 vendor->base = (hi << 8) | lo; 123 *base = (hi << 8) | lo;
127 vendor->region_size = 2; 124 *region_size = 2;
128 125
129 return ioport_map(vendor->base, vendor->region_size); 126 return ioport_map(*base, *region_size);
130} 127}
131#endif 128#endif
diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
index 537aa45d8c67..e45f0d3d12de 100644
--- a/drivers/char/tpm/tpm_bios.c
+++ b/drivers/char/tpm/tpm_bios.c
@@ -29,6 +29,11 @@
29#define MAX_TEXT_EVENT 1000 /* Max event string length */ 29#define MAX_TEXT_EVENT 1000 /* Max event string length */
30#define ACPI_TCPA_SIG "TCPA" /* 0x41504354 /'TCPA' */ 30#define ACPI_TCPA_SIG "TCPA" /* 0x41504354 /'TCPA' */
31 31
32enum bios_platform_class {
33 BIOS_CLIENT = 0x00,
34 BIOS_SERVER = 0x01,
35};
36
32struct tpm_bios_log { 37struct tpm_bios_log {
33 void *bios_event_log; 38 void *bios_event_log;
34 void *bios_event_log_end; 39 void *bios_event_log_end;
@@ -36,9 +41,18 @@ struct tpm_bios_log {
36 41
37struct acpi_tcpa { 42struct acpi_tcpa {
38 struct acpi_table_header hdr; 43 struct acpi_table_header hdr;
39 u16 reserved; 44 u16 platform_class;
40 u32 log_max_len __attribute__ ((packed)); 45 union {
41 u32 log_start_addr __attribute__ ((packed)); 46 struct client_hdr {
47 u32 log_max_len __attribute__ ((packed));
48 u64 log_start_addr __attribute__ ((packed));
49 } client;
50 struct server_hdr {
51 u16 reserved;
52 u64 log_max_len __attribute__ ((packed));
53 u64 log_start_addr __attribute__ ((packed));
54 } server;
55 };
42}; 56};
43 57
44struct tcpa_event { 58struct tcpa_event {
@@ -120,6 +134,7 @@ static const char* tcpa_pc_event_id_strings[] = {
120 "S-CRTM Version", 134 "S-CRTM Version",
121 "S-CRTM Contents", 135 "S-CRTM Contents",
122 "S-CRTM POST Contents", 136 "S-CRTM POST Contents",
137 "POST Contents",
123}; 138};
124 139
125/* returns pointer to start of pos. entry of tcg log */ 140/* returns pointer to start of pos. entry of tcg log */
@@ -306,6 +321,7 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v)
306 /* 5th: delimiter */ 321 /* 5th: delimiter */
307 seq_putc(m, '\0'); 322 seq_putc(m, '\0');
308 323
324 kfree(eventname);
309 return 0; 325 return 0;
310} 326}
311 327
@@ -353,6 +369,7 @@ static int tpm_ascii_bios_measurements_show(struct seq_file *m, void *v)
353 /* 4th: eventname <= max + \'0' delimiter */ 369 /* 4th: eventname <= max + \'0' delimiter */
354 seq_printf(m, " %s\n", eventname); 370 seq_printf(m, " %s\n", eventname);
355 371
372 kfree(eventname);
356 return 0; 373 return 0;
357} 374}
358 375
@@ -376,6 +393,7 @@ static int read_log(struct tpm_bios_log *log)
376 struct acpi_tcpa *buff; 393 struct acpi_tcpa *buff;
377 acpi_status status; 394 acpi_status status;
378 struct acpi_table_header *virt; 395 struct acpi_table_header *virt;
396 u64 len, start;
379 397
380 if (log->bios_event_log != NULL) { 398 if (log->bios_event_log != NULL) {
381 printk(KERN_ERR 399 printk(KERN_ERR
@@ -396,27 +414,37 @@ static int read_log(struct tpm_bios_log *log)
396 return -EIO; 414 return -EIO;
397 } 415 }
398 416
399 if (buff->log_max_len == 0) { 417 switch(buff->platform_class) {
418 case BIOS_SERVER:
419 len = buff->server.log_max_len;
420 start = buff->server.log_start_addr;
421 break;
422 case BIOS_CLIENT:
423 default:
424 len = buff->client.log_max_len;
425 start = buff->client.log_start_addr;
426 break;
427 }
428 if (!len) {
400 printk(KERN_ERR "%s: ERROR - TCPA log area empty\n", __func__); 429 printk(KERN_ERR "%s: ERROR - TCPA log area empty\n", __func__);
401 return -EIO; 430 return -EIO;
402 } 431 }
403 432
404 /* malloc EventLog space */ 433 /* malloc EventLog space */
405 log->bios_event_log = kmalloc(buff->log_max_len, GFP_KERNEL); 434 log->bios_event_log = kmalloc(len, GFP_KERNEL);
406 if (!log->bios_event_log) { 435 if (!log->bios_event_log) {
407 printk 436 printk("%s: ERROR - Not enough Memory for BIOS measurements\n",
408 ("%s: ERROR - Not enough Memory for BIOS measurements\n", 437 __func__);
409 __func__);
410 return -ENOMEM; 438 return -ENOMEM;
411 } 439 }
412 440
413 log->bios_event_log_end = log->bios_event_log + buff->log_max_len; 441 log->bios_event_log_end = log->bios_event_log + len;
414 442
415 acpi_os_map_memory(buff->log_start_addr, buff->log_max_len, (void *) &virt); 443 acpi_os_map_memory(start, len, (void *) &virt);
416 444
417 memcpy(log->bios_event_log, virt, buff->log_max_len); 445 memcpy(log->bios_event_log, virt, len);
418 446
419 acpi_os_unmap_memory(virt, buff->log_max_len); 447 acpi_os_unmap_memory(virt, len);
420 return 0; 448 return 0;
421} 449}
422 450
diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c
index 24095f6ee6da..adfff21beb21 100644
--- a/drivers/char/tpm/tpm_infineon.c
+++ b/drivers/char/tpm/tpm_infineon.c
@@ -15,6 +15,7 @@
15 * License. 15 * License.
16 */ 16 */
17 17
18#include <linux/init.h>
18#include <linux/pnp.h> 19#include <linux/pnp.h>
19#include "tpm.h" 20#include "tpm.h"
20 21
@@ -104,7 +105,7 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)
104 105
105 if (clear_wrfifo) { 106 if (clear_wrfifo) {
106 for (i = 0; i < 4096; i++) { 107 for (i = 0; i < 4096; i++) {
107 status = inb(chip->vendor->base + WRFIFO); 108 status = inb(chip->vendor.base + WRFIFO);
108 if (status == 0xff) { 109 if (status == 0xff) {
109 if (check == 5) 110 if (check == 5)
110 break; 111 break;
@@ -124,8 +125,8 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)
124 */ 125 */
125 i = 0; 126 i = 0;
126 do { 127 do {
127 status = inb(chip->vendor->base + RDFIFO); 128 status = inb(chip->vendor.base + RDFIFO);
128 status = inb(chip->vendor->base + STAT); 129 status = inb(chip->vendor.base + STAT);
129 i++; 130 i++;
130 if (i == TPM_MAX_TRIES) 131 if (i == TPM_MAX_TRIES)
131 return -EIO; 132 return -EIO;
@@ -138,7 +139,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit)
138 int status; 139 int status;
139 int i; 140 int i;
140 for (i = 0; i < TPM_MAX_TRIES; i++) { 141 for (i = 0; i < TPM_MAX_TRIES; i++) {
141 status = inb(chip->vendor->base + STAT); 142 status = inb(chip->vendor.base + STAT);
142 /* check the status-register if wait_for_bit is set */ 143 /* check the status-register if wait_for_bit is set */
143 if (status & 1 << wait_for_bit) 144 if (status & 1 << wait_for_bit)
144 break; 145 break;
@@ -157,7 +158,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit)
157static void wait_and_send(struct tpm_chip *chip, u8 sendbyte) 158static void wait_and_send(struct tpm_chip *chip, u8 sendbyte)
158{ 159{
159 wait(chip, STAT_XFE); 160 wait(chip, STAT_XFE);
160 outb(sendbyte, chip->vendor->base + WRFIFO); 161 outb(sendbyte, chip->vendor.base + WRFIFO);
161} 162}
162 163
163 /* Note: WTX means Waiting-Time-Extension. Whenever the TPM needs more 164 /* Note: WTX means Waiting-Time-Extension. Whenever the TPM needs more
@@ -204,7 +205,7 @@ recv_begin:
204 ret = wait(chip, STAT_RDA); 205 ret = wait(chip, STAT_RDA);
205 if (ret) 206 if (ret)
206 return -EIO; 207 return -EIO;
207 buf[i] = inb(chip->vendor->base + RDFIFO); 208 buf[i] = inb(chip->vendor.base + RDFIFO);
208 } 209 }
209 210
210 if (buf[0] != TPM_VL_VER) { 211 if (buf[0] != TPM_VL_VER) {
@@ -219,7 +220,7 @@ recv_begin:
219 220
220 for (i = 0; i < size; i++) { 221 for (i = 0; i < size; i++) {
221 wait(chip, STAT_RDA); 222 wait(chip, STAT_RDA);
222 buf[i] = inb(chip->vendor->base + RDFIFO); 223 buf[i] = inb(chip->vendor.base + RDFIFO);
223 } 224 }
224 225
225 if ((size == 0x6D00) && (buf[1] == 0x80)) { 226 if ((size == 0x6D00) && (buf[1] == 0x80)) {
@@ -268,7 +269,7 @@ static int tpm_inf_send(struct tpm_chip *chip, u8 * buf, size_t count)
268 u8 count_high, count_low, count_4, count_3, count_2, count_1; 269 u8 count_high, count_low, count_4, count_3, count_2, count_1;
269 270
270 /* Disabling Reset, LP and IRQC */ 271 /* Disabling Reset, LP and IRQC */
271 outb(RESET_LP_IRQC_DISABLE, chip->vendor->base + CMD); 272 outb(RESET_LP_IRQC_DISABLE, chip->vendor.base + CMD);
272 273
273 ret = empty_fifo(chip, 1); 274 ret = empty_fifo(chip, 1);
274 if (ret) { 275 if (ret) {
@@ -319,7 +320,7 @@ static void tpm_inf_cancel(struct tpm_chip *chip)
319 320
320static u8 tpm_inf_status(struct tpm_chip *chip) 321static u8 tpm_inf_status(struct tpm_chip *chip)
321{ 322{
322 return inb(chip->vendor->base + STAT); 323 return inb(chip->vendor.base + STAT);
323} 324}
324 325
325static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL); 326static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL);
@@ -346,7 +347,7 @@ static struct file_operations inf_ops = {
346 .release = tpm_release, 347 .release = tpm_release,
347}; 348};
348 349
349static struct tpm_vendor_specific tpm_inf = { 350static const struct tpm_vendor_specific tpm_inf = {
350 .recv = tpm_inf_recv, 351 .recv = tpm_inf_recv,
351 .send = tpm_inf_send, 352 .send = tpm_inf_send,
352 .cancel = tpm_inf_cancel, 353 .cancel = tpm_inf_cancel,
@@ -375,6 +376,7 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
375 int version[2]; 376 int version[2];
376 int productid[2]; 377 int productid[2];
377 char chipname[20]; 378 char chipname[20];
379 struct tpm_chip *chip;
378 380
379 /* read IO-ports through PnP */ 381 /* read IO-ports through PnP */
380 if (pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && 382 if (pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) &&
@@ -395,14 +397,13 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
395 goto err_last; 397 goto err_last;
396 } 398 }
397 /* publish my base address and request region */ 399 /* publish my base address and request region */
398 tpm_inf.base = TPM_INF_BASE;
399 if (request_region 400 if (request_region
400 (tpm_inf.base, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) { 401 (TPM_INF_BASE, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) {
401 rc = -EINVAL; 402 rc = -EINVAL;
402 goto err_last; 403 goto err_last;
403 } 404 }
404 if (request_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN, 405 if (request_region
405 "tpm_infineon0") == NULL) { 406 (TPM_INF_ADDR, TPM_INF_ADDR_LEN, "tpm_infineon0") == NULL) {
406 rc = -EINVAL; 407 rc = -EINVAL;
407 goto err_last; 408 goto err_last;
408 } 409 }
@@ -442,9 +443,9 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
442 443
443 /* configure TPM with IO-ports */ 444 /* configure TPM with IO-ports */
444 outb(IOLIMH, TPM_INF_ADDR); 445 outb(IOLIMH, TPM_INF_ADDR);
445 outb(((tpm_inf.base >> 8) & 0xff), TPM_INF_DATA); 446 outb(((TPM_INF_BASE >> 8) & 0xff), TPM_INF_DATA);
446 outb(IOLIML, TPM_INF_ADDR); 447 outb(IOLIML, TPM_INF_ADDR);
447 outb((tpm_inf.base & 0xff), TPM_INF_DATA); 448 outb((TPM_INF_BASE & 0xff), TPM_INF_DATA);
448 449
449 /* control if IO-ports are set correctly */ 450 /* control if IO-ports are set correctly */
450 outb(IOLIMH, TPM_INF_ADDR); 451 outb(IOLIMH, TPM_INF_ADDR);
@@ -452,10 +453,10 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
452 outb(IOLIML, TPM_INF_ADDR); 453 outb(IOLIML, TPM_INF_ADDR);
453 iol = inb(TPM_INF_DATA); 454 iol = inb(TPM_INF_DATA);
454 455
455 if ((ioh << 8 | iol) != tpm_inf.base) { 456 if ((ioh << 8 | iol) != TPM_INF_BASE) {
456 dev_err(&dev->dev, 457 dev_err(&dev->dev,
457 "Could not set IO-ports to 0x%lx\n", 458 "Could not set IO-ports to 0x%x\n",
458 tpm_inf.base); 459 TPM_INF_BASE);
459 rc = -EIO; 460 rc = -EIO;
460 goto err_release_region; 461 goto err_release_region;
461 } 462 }
@@ -466,15 +467,15 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
466 outb(DISABLE_REGISTER_PAIR, TPM_INF_ADDR); 467 outb(DISABLE_REGISTER_PAIR, TPM_INF_ADDR);
467 468
468 /* disable RESET, LP and IRQC */ 469 /* disable RESET, LP and IRQC */
469 outb(RESET_LP_IRQC_DISABLE, tpm_inf.base + CMD); 470 outb(RESET_LP_IRQC_DISABLE, TPM_INF_BASE + CMD);
470 471
471 /* Finally, we're done, print some infos */ 472 /* Finally, we're done, print some infos */
472 dev_info(&dev->dev, "TPM found: " 473 dev_info(&dev->dev, "TPM found: "
473 "config base 0x%x, " 474 "config base 0x%x, "
474 "io base 0x%x, " 475 "io base 0x%x, "
475 "chip version %02x%02x, " 476 "chip version 0x%02x%02x, "
476 "vendor id %x%x (Infineon), " 477 "vendor id 0x%x%x (Infineon), "
477 "product id %02x%02x" 478 "product id 0x%02x%02x"
478 "%s\n", 479 "%s\n",
479 TPM_INF_ADDR, 480 TPM_INF_ADDR,
480 TPM_INF_BASE, 481 TPM_INF_BASE,
@@ -482,11 +483,10 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
482 vendorid[0], vendorid[1], 483 vendorid[0], vendorid[1],
483 productid[0], productid[1], chipname); 484 productid[0], productid[1], chipname);
484 485
485 rc = tpm_register_hardware(&dev->dev, &tpm_inf); 486 if (!(chip = tpm_register_hardware(&dev->dev, &tpm_inf))) {
486 if (rc < 0) {
487 rc = -ENODEV;
488 goto err_release_region; 487 goto err_release_region;
489 } 488 }
489 chip->vendor.base = TPM_INF_BASE;
490 return 0; 490 return 0;
491 } else { 491 } else {
492 rc = -ENODEV; 492 rc = -ENODEV;
@@ -494,7 +494,7 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
494 } 494 }
495 495
496err_release_region: 496err_release_region:
497 release_region(tpm_inf.base, TPM_INF_PORT_LEN); 497 release_region(TPM_INF_BASE, TPM_INF_PORT_LEN);
498 release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN); 498 release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);
499 499
500err_last: 500err_last:
@@ -506,7 +506,8 @@ static __devexit void tpm_inf_pnp_remove(struct pnp_dev *dev)
506 struct tpm_chip *chip = pnp_get_drvdata(dev); 506 struct tpm_chip *chip = pnp_get_drvdata(dev);
507 507
508 if (chip) { 508 if (chip) {
509 release_region(chip->vendor->base, TPM_INF_PORT_LEN); 509 release_region(TPM_INF_BASE, TPM_INF_PORT_LEN);
510 release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);
510 tpm_remove_hardware(chip->dev); 511 tpm_remove_hardware(chip->dev);
511 } 512 }
512} 513}
@@ -520,7 +521,7 @@ static struct pnp_driver tpm_inf_pnp = {
520 }, 521 },
521 .id_table = tpm_pnp_tbl, 522 .id_table = tpm_pnp_tbl,
522 .probe = tpm_inf_pnp_probe, 523 .probe = tpm_inf_pnp_probe,
523 .remove = tpm_inf_pnp_remove, 524 .remove = __devexit_p(tpm_inf_pnp_remove),
524}; 525};
525 526
526static int __init init_inf(void) 527static int __init init_inf(void)
@@ -538,5 +539,5 @@ module_exit(cleanup_inf);
538 539
539MODULE_AUTHOR("Marcel Selhorst <selhorst@crypto.rub.de>"); 540MODULE_AUTHOR("Marcel Selhorst <selhorst@crypto.rub.de>");
540MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2"); 541MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2");
541MODULE_VERSION("1.7"); 542MODULE_VERSION("1.8");
542MODULE_LICENSE("GPL"); 543MODULE_LICENSE("GPL");
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 680a8e331887..4c8bc06c7d95 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -71,7 +71,7 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data)
71 unsigned long stop; 71 unsigned long stop;
72 72
73 /* status immediately available check */ 73 /* status immediately available check */
74 *data = inb(chip->vendor->base + NSC_STATUS); 74 *data = inb(chip->vendor.base + NSC_STATUS);
75 if ((*data & mask) == val) 75 if ((*data & mask) == val)
76 return 0; 76 return 0;
77 77
@@ -79,7 +79,7 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data)
79 stop = jiffies + 10 * HZ; 79 stop = jiffies + 10 * HZ;
80 do { 80 do {
81 msleep(TPM_TIMEOUT); 81 msleep(TPM_TIMEOUT);
82 *data = inb(chip->vendor->base + 1); 82 *data = inb(chip->vendor.base + 1);
83 if ((*data & mask) == val) 83 if ((*data & mask) == val)
84 return 0; 84 return 0;
85 } 85 }
@@ -94,9 +94,9 @@ static int nsc_wait_for_ready(struct tpm_chip *chip)
94 unsigned long stop; 94 unsigned long stop;
95 95
96 /* status immediately available check */ 96 /* status immediately available check */
97 status = inb(chip->vendor->base + NSC_STATUS); 97 status = inb(chip->vendor.base + NSC_STATUS);
98 if (status & NSC_STATUS_OBF) 98 if (status & NSC_STATUS_OBF)
99 status = inb(chip->vendor->base + NSC_DATA); 99 status = inb(chip->vendor.base + NSC_DATA);
100 if (status & NSC_STATUS_RDY) 100 if (status & NSC_STATUS_RDY)
101 return 0; 101 return 0;
102 102
@@ -104,9 +104,9 @@ static int nsc_wait_for_ready(struct tpm_chip *chip)
104 stop = jiffies + 100; 104 stop = jiffies + 100;
105 do { 105 do {
106 msleep(TPM_TIMEOUT); 106 msleep(TPM_TIMEOUT);
107 status = inb(chip->vendor->base + NSC_STATUS); 107 status = inb(chip->vendor.base + NSC_STATUS);
108 if (status & NSC_STATUS_OBF) 108 if (status & NSC_STATUS_OBF)
109 status = inb(chip->vendor->base + NSC_DATA); 109 status = inb(chip->vendor.base + NSC_DATA);
110 if (status & NSC_STATUS_RDY) 110 if (status & NSC_STATUS_RDY)
111 return 0; 111 return 0;
112 } 112 }
@@ -132,7 +132,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count)
132 return -EIO; 132 return -EIO;
133 } 133 }
134 if ((data = 134 if ((data =
135 inb(chip->vendor->base + NSC_DATA)) != NSC_COMMAND_NORMAL) { 135 inb(chip->vendor.base + NSC_DATA)) != NSC_COMMAND_NORMAL) {
136 dev_err(chip->dev, "not in normal mode (0x%x)\n", 136 dev_err(chip->dev, "not in normal mode (0x%x)\n",
137 data); 137 data);
138 return -EIO; 138 return -EIO;
@@ -148,7 +148,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count)
148 } 148 }
149 if (data & NSC_STATUS_F0) 149 if (data & NSC_STATUS_F0)
150 break; 150 break;
151 *p = inb(chip->vendor->base + NSC_DATA); 151 *p = inb(chip->vendor.base + NSC_DATA);
152 } 152 }
153 153
154 if ((data & NSC_STATUS_F0) == 0 && 154 if ((data & NSC_STATUS_F0) == 0 &&
@@ -156,7 +156,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count)
156 dev_err(chip->dev, "F0 not set\n"); 156 dev_err(chip->dev, "F0 not set\n");
157 return -EIO; 157 return -EIO;
158 } 158 }
159 if ((data = inb(chip->vendor->base + NSC_DATA)) != NSC_COMMAND_EOC) { 159 if ((data = inb(chip->vendor.base + NSC_DATA)) != NSC_COMMAND_EOC) {
160 dev_err(chip->dev, 160 dev_err(chip->dev,
161 "expected end of command(0x%x)\n", data); 161 "expected end of command(0x%x)\n", data);
162 return -EIO; 162 return -EIO;
@@ -182,7 +182,7 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count)
182 * fix it. Not sure why this is needed, we followed the flow 182 * fix it. Not sure why this is needed, we followed the flow
183 * chart in the manual to the letter. 183 * chart in the manual to the letter.
184 */ 184 */
185 outb(NSC_COMMAND_CANCEL, chip->vendor->base + NSC_COMMAND); 185 outb(NSC_COMMAND_CANCEL, chip->vendor.base + NSC_COMMAND);
186 186
187 if (nsc_wait_for_ready(chip) != 0) 187 if (nsc_wait_for_ready(chip) != 0)
188 return -EIO; 188 return -EIO;
@@ -192,7 +192,7 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count)
192 return -EIO; 192 return -EIO;
193 } 193 }
194 194
195 outb(NSC_COMMAND_NORMAL, chip->vendor->base + NSC_COMMAND); 195 outb(NSC_COMMAND_NORMAL, chip->vendor.base + NSC_COMMAND);
196 if (wait_for_stat(chip, NSC_STATUS_IBR, NSC_STATUS_IBR, &data) < 0) { 196 if (wait_for_stat(chip, NSC_STATUS_IBR, NSC_STATUS_IBR, &data) < 0) {
197 dev_err(chip->dev, "IBR timeout\n"); 197 dev_err(chip->dev, "IBR timeout\n");
198 return -EIO; 198 return -EIO;
@@ -204,26 +204,26 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count)
204 "IBF timeout (while writing data)\n"); 204 "IBF timeout (while writing data)\n");
205 return -EIO; 205 return -EIO;
206 } 206 }
207 outb(buf[i], chip->vendor->base + NSC_DATA); 207 outb(buf[i], chip->vendor.base + NSC_DATA);
208 } 208 }
209 209
210 if (wait_for_stat(chip, NSC_STATUS_IBF, 0, &data) < 0) { 210 if (wait_for_stat(chip, NSC_STATUS_IBF, 0, &data) < 0) {
211 dev_err(chip->dev, "IBF timeout\n"); 211 dev_err(chip->dev, "IBF timeout\n");
212 return -EIO; 212 return -EIO;
213 } 213 }
214 outb(NSC_COMMAND_EOC, chip->vendor->base + NSC_COMMAND); 214 outb(NSC_COMMAND_EOC, chip->vendor.base + NSC_COMMAND);
215 215
216 return count; 216 return count;
217} 217}
218 218
219static void tpm_nsc_cancel(struct tpm_chip *chip) 219static void tpm_nsc_cancel(struct tpm_chip *chip)
220{ 220{
221 outb(NSC_COMMAND_CANCEL, chip->vendor->base + NSC_COMMAND); 221 outb(NSC_COMMAND_CANCEL, chip->vendor.base + NSC_COMMAND);
222} 222}
223 223
224static u8 tpm_nsc_status(struct tpm_chip *chip) 224static u8 tpm_nsc_status(struct tpm_chip *chip)
225{ 225{
226 return inb(chip->vendor->base + NSC_STATUS); 226 return inb(chip->vendor.base + NSC_STATUS);
227} 227}
228 228
229static struct file_operations nsc_ops = { 229static struct file_operations nsc_ops = {
@@ -250,7 +250,7 @@ static struct attribute * nsc_attrs[] = {
250 250
251static struct attribute_group nsc_attr_grp = { .attrs = nsc_attrs }; 251static struct attribute_group nsc_attr_grp = { .attrs = nsc_attrs };
252 252
253static struct tpm_vendor_specific tpm_nsc = { 253static const struct tpm_vendor_specific tpm_nsc = {
254 .recv = tpm_nsc_recv, 254 .recv = tpm_nsc_recv,
255 .send = tpm_nsc_send, 255 .send = tpm_nsc_send,
256 .cancel = tpm_nsc_cancel, 256 .cancel = tpm_nsc_cancel,
@@ -268,7 +268,7 @@ static void __devexit tpm_nsc_remove(struct device *dev)
268{ 268{
269 struct tpm_chip *chip = dev_get_drvdata(dev); 269 struct tpm_chip *chip = dev_get_drvdata(dev);
270 if ( chip ) { 270 if ( chip ) {
271 release_region(chip->vendor->base, 2); 271 release_region(chip->vendor.base, 2);
272 tpm_remove_hardware(chip->dev); 272 tpm_remove_hardware(chip->dev);
273 } 273 }
274} 274}
@@ -286,7 +286,8 @@ static int __init init_nsc(void)
286 int rc = 0; 286 int rc = 0;
287 int lo, hi; 287 int lo, hi;
288 int nscAddrBase = TPM_ADDR; 288 int nscAddrBase = TPM_ADDR;
289 289 struct tpm_chip *chip;
290 unsigned long base;
290 291
291 /* verify that it is a National part (SID) */ 292 /* verify that it is a National part (SID) */
292 if (tpm_read_index(TPM_ADDR, NSC_SID_INDEX) != 0xEF) { 293 if (tpm_read_index(TPM_ADDR, NSC_SID_INDEX) != 0xEF) {
@@ -300,7 +301,7 @@ static int __init init_nsc(void)
300 301
301 hi = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_HI); 302 hi = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_HI);
302 lo = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_LO); 303 lo = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_LO);
303 tpm_nsc.base = (hi<<8) | lo; 304 base = (hi<<8) | lo;
304 305
305 /* enable the DPM module */ 306 /* enable the DPM module */
306 tpm_write_index(nscAddrBase, NSC_LDC_INDEX, 0x01); 307 tpm_write_index(nscAddrBase, NSC_LDC_INDEX, 0x01);
@@ -320,13 +321,15 @@ static int __init init_nsc(void)
320 if ((rc = platform_device_register(pdev)) < 0) 321 if ((rc = platform_device_register(pdev)) < 0)
321 goto err_free_dev; 322 goto err_free_dev;
322 323
323 if (request_region(tpm_nsc.base, 2, "tpm_nsc0") == NULL ) { 324 if (request_region(base, 2, "tpm_nsc0") == NULL ) {
324 rc = -EBUSY; 325 rc = -EBUSY;
325 goto err_unreg_dev; 326 goto err_unreg_dev;
326 } 327 }
327 328
328 if ((rc = tpm_register_hardware(&pdev->dev, &tpm_nsc)) < 0) 329 if (!(chip = tpm_register_hardware(&pdev->dev, &tpm_nsc))) {
330 rc = -ENODEV;
329 goto err_rel_reg; 331 goto err_rel_reg;
332 }
330 333
331 dev_dbg(&pdev->dev, "NSC TPM detected\n"); 334 dev_dbg(&pdev->dev, "NSC TPM detected\n");
332 dev_dbg(&pdev->dev, 335 dev_dbg(&pdev->dev,
@@ -361,10 +364,12 @@ static int __init init_nsc(void)
361 "NSC TPM revision %d\n", 364 "NSC TPM revision %d\n",
362 tpm_read_index(nscAddrBase, 0x27) & 0x1F); 365 tpm_read_index(nscAddrBase, 0x27) & 0x1F);
363 366
367 chip->vendor.base = base;
368
364 return 0; 369 return 0;
365 370
366err_rel_reg: 371err_rel_reg:
367 release_region(tpm_nsc.base, 2); 372 release_region(base, 2);
368err_unreg_dev: 373err_unreg_dev:
369 platform_device_unregister(pdev); 374 platform_device_unregister(pdev);
370err_free_dev: 375err_free_dev:
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
new file mode 100644
index 000000000000..b9cae9a238bb
--- /dev/null
+++ b/drivers/char/tpm/tpm_tis.c
@@ -0,0 +1,669 @@
1/*
2 * Copyright (C) 2005, 2006 IBM Corporation
3 *
4 * Authors:
5 * Leendert van Doorn <leendert@watson.ibm.com>
6 * Kylene Hall <kjhall@us.ibm.com>
7 *
8 * Device driver for TCG/TCPA TPM (trusted platform module).
9 * Specifications at www.trustedcomputinggroup.org
10 *
11 * This device driver implements the TPM interface as defined in
12 * the TCG TPM Interface Spec version 1.2, revision 1.0.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation, version 2 of the
17 * License.
18 */
19#include <linux/init.h>
20#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/pnp.h>
23#include <linux/interrupt.h>
24#include <linux/wait.h>
25#include "tpm.h"
26
27#define TPM_HEADER_SIZE 10
28
29enum tis_access {
30 TPM_ACCESS_VALID = 0x80,
31 TPM_ACCESS_ACTIVE_LOCALITY = 0x20,
32 TPM_ACCESS_REQUEST_PENDING = 0x04,
33 TPM_ACCESS_REQUEST_USE = 0x02,
34};
35
36enum tis_status {
37 TPM_STS_VALID = 0x80,
38 TPM_STS_COMMAND_READY = 0x40,
39 TPM_STS_GO = 0x20,
40 TPM_STS_DATA_AVAIL = 0x10,
41 TPM_STS_DATA_EXPECT = 0x08,
42};
43
44enum tis_int_flags {
45 TPM_GLOBAL_INT_ENABLE = 0x80000000,
46 TPM_INTF_BURST_COUNT_STATIC = 0x100,
47 TPM_INTF_CMD_READY_INT = 0x080,
48 TPM_INTF_INT_EDGE_FALLING = 0x040,
49 TPM_INTF_INT_EDGE_RISING = 0x020,
50 TPM_INTF_INT_LEVEL_LOW = 0x010,
51 TPM_INTF_INT_LEVEL_HIGH = 0x008,
52 TPM_INTF_LOCALITY_CHANGE_INT = 0x004,
53 TPM_INTF_STS_VALID_INT = 0x002,
54 TPM_INTF_DATA_AVAIL_INT = 0x001,
55};
56
57enum tis_defaults {
58 TIS_MEM_BASE = 0xFED4000,
59 TIS_MEM_LEN = 0x5000,
60 TIS_SHORT_TIMEOUT = 750, /* ms */
61 TIS_LONG_TIMEOUT = 2000, /* 2 sec */
62};
63
64#define TPM_ACCESS(l) (0x0000 | ((l) << 12))
65#define TPM_INT_ENABLE(l) (0x0008 | ((l) << 12))
66#define TPM_INT_VECTOR(l) (0x000C | ((l) << 12))
67#define TPM_INT_STATUS(l) (0x0010 | ((l) << 12))
68#define TPM_INTF_CAPS(l) (0x0014 | ((l) << 12))
69#define TPM_STS(l) (0x0018 | ((l) << 12))
70#define TPM_DATA_FIFO(l) (0x0024 | ((l) << 12))
71
72#define TPM_DID_VID(l) (0x0F00 | ((l) << 12))
73#define TPM_RID(l) (0x0F04 | ((l) << 12))
74
75static LIST_HEAD(tis_chips);
76static DEFINE_SPINLOCK(tis_lock);
77
78static int check_locality(struct tpm_chip *chip, int l)
79{
80 if ((ioread8(chip->vendor.iobase + TPM_ACCESS(l)) &
81 (TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID)) ==
82 (TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID))
83 return chip->vendor.locality = l;
84
85 return -1;
86}
87
88static void release_locality(struct tpm_chip *chip, int l, int force)
89{
90 if (force || (ioread8(chip->vendor.iobase + TPM_ACCESS(l)) &
91 (TPM_ACCESS_REQUEST_PENDING | TPM_ACCESS_VALID)) ==
92 (TPM_ACCESS_REQUEST_PENDING | TPM_ACCESS_VALID))
93 iowrite8(TPM_ACCESS_ACTIVE_LOCALITY,
94 chip->vendor.iobase + TPM_ACCESS(l));
95}
96
97static int request_locality(struct tpm_chip *chip, int l)
98{
99 unsigned long stop;
100 long rc;
101
102 if (check_locality(chip, l) >= 0)
103 return l;
104
105 iowrite8(TPM_ACCESS_REQUEST_USE,
106 chip->vendor.iobase + TPM_ACCESS(l));
107
108 if (chip->vendor.irq) {
109 rc = wait_event_interruptible_timeout(chip->vendor.int_queue,
110 (check_locality
111 (chip, l) >= 0),
112 chip->vendor.timeout_a);
113 if (rc > 0)
114 return l;
115
116 } else {
117 /* wait for burstcount */
118 stop = jiffies + chip->vendor.timeout_a;
119 do {
120 if (check_locality(chip, l) >= 0)
121 return l;
122 msleep(TPM_TIMEOUT);
123 }
124 while (time_before(jiffies, stop));
125 }
126 return -1;
127}
128
129static u8 tpm_tis_status(struct tpm_chip *chip)
130{
131 return ioread8(chip->vendor.iobase +
132 TPM_STS(chip->vendor.locality));
133}
134
135static void tpm_tis_ready(struct tpm_chip *chip)
136{
137 /* this causes the current command to be aborted */
138 iowrite8(TPM_STS_COMMAND_READY,
139 chip->vendor.iobase + TPM_STS(chip->vendor.locality));
140}
141
142static int get_burstcount(struct tpm_chip *chip)
143{
144 unsigned long stop;
145 int burstcnt;
146
147 /* wait for burstcount */
148 /* which timeout value, spec has 2 answers (c & d) */
149 stop = jiffies + chip->vendor.timeout_d;
150 do {
151 burstcnt = ioread8(chip->vendor.iobase +
152 TPM_STS(chip->vendor.locality) + 1);
153 burstcnt += ioread8(chip->vendor.iobase +
154 TPM_STS(chip->vendor.locality) +
155 2) << 8;
156 if (burstcnt)
157 return burstcnt;
158 msleep(TPM_TIMEOUT);
159 } while (time_before(jiffies, stop));
160 return -EBUSY;
161}
162
163static int wait_for_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout,
164 wait_queue_head_t *queue)
165{
166 unsigned long stop;
167 long rc;
168 u8 status;
169
170 /* check current status */
171 status = tpm_tis_status(chip);
172 if ((status & mask) == mask)
173 return 0;
174
175 if (chip->vendor.irq) {
176 rc = wait_event_interruptible_timeout(*queue,
177 ((tpm_tis_status
178 (chip) & mask) ==
179 mask), timeout);
180 if (rc > 0)
181 return 0;
182 } else {
183 stop = jiffies + timeout;
184 do {
185 msleep(TPM_TIMEOUT);
186 status = tpm_tis_status(chip);
187 if ((status & mask) == mask)
188 return 0;
189 } while (time_before(jiffies, stop));
190 }
191 return -ETIME;
192}
193
194static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
195{
196 int size = 0, burstcnt;
197 while (size < count &&
198 wait_for_stat(chip,
199 TPM_STS_DATA_AVAIL | TPM_STS_VALID,
200 chip->vendor.timeout_c,
201 &chip->vendor.read_queue)
202 == 0) {
203 burstcnt = get_burstcount(chip);
204 for (; burstcnt > 0 && size < count; burstcnt--)
205 buf[size++] = ioread8(chip->vendor.iobase +
206 TPM_DATA_FIFO(chip->vendor.
207 locality));
208 }
209 return size;
210}
211
212static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count)
213{
214 int size = 0;
215 int expected, status;
216
217 if (count < TPM_HEADER_SIZE) {
218 size = -EIO;
219 goto out;
220 }
221
222 /* read first 10 bytes, including tag, paramsize, and result */
223 if ((size =
224 recv_data(chip, buf, TPM_HEADER_SIZE)) < TPM_HEADER_SIZE) {
225 dev_err(chip->dev, "Unable to read header\n");
226 goto out;
227 }
228
229 expected = be32_to_cpu(*(__be32 *) (buf + 2));
230 if (expected > count) {
231 size = -EIO;
232 goto out;
233 }
234
235 if ((size +=
236 recv_data(chip, &buf[TPM_HEADER_SIZE],
237 expected - TPM_HEADER_SIZE)) < expected) {
238 dev_err(chip->dev, "Unable to read remainder of result\n");
239 size = -ETIME;
240 goto out;
241 }
242
243 wait_for_stat(chip, TPM_STS_VALID, chip->vendor.timeout_c,
244 &chip->vendor.int_queue);
245 status = tpm_tis_status(chip);
246 if (status & TPM_STS_DATA_AVAIL) { /* retry? */
247 dev_err(chip->dev, "Error left over data\n");
248 size = -EIO;
249 goto out;
250 }
251
252out:
253 tpm_tis_ready(chip);
254 release_locality(chip, chip->vendor.locality, 0);
255 return size;
256}
257
258/*
259 * If interrupts are used (signaled by an irq set in the vendor structure)
260 * tpm.c can skip polling for the data to be available as the interrupt is
261 * waited for here
262 */
263static int tpm_tis_send(struct tpm_chip *chip, u8 *buf, size_t len)
264{
265 int rc, status, burstcnt;
266 size_t count = 0;
267 u32 ordinal;
268
269 if (request_locality(chip, 0) < 0)
270 return -EBUSY;
271
272 status = tpm_tis_status(chip);
273 if ((status & TPM_STS_COMMAND_READY) == 0) {
274 tpm_tis_ready(chip);
275 if (wait_for_stat
276 (chip, TPM_STS_COMMAND_READY, chip->vendor.timeout_b,
277 &chip->vendor.int_queue) < 0) {
278 rc = -ETIME;
279 goto out_err;
280 }
281 }
282
283 while (count < len - 1) {
284 burstcnt = get_burstcount(chip);
285 for (; burstcnt > 0 && count < len - 1; burstcnt--) {
286 iowrite8(buf[count], chip->vendor.iobase +
287 TPM_DATA_FIFO(chip->vendor.locality));
288 count++;
289 }
290
291 wait_for_stat(chip, TPM_STS_VALID, chip->vendor.timeout_c,
292 &chip->vendor.int_queue);
293 status = tpm_tis_status(chip);
294 if ((status & TPM_STS_DATA_EXPECT) == 0) {
295 rc = -EIO;
296 goto out_err;
297 }
298 }
299
300 /* write last byte */
301 iowrite8(buf[count],
302 chip->vendor.iobase +
303 TPM_DATA_FIFO(chip->vendor.locality));
304 wait_for_stat(chip, TPM_STS_VALID, chip->vendor.timeout_c,
305 &chip->vendor.int_queue);
306 status = tpm_tis_status(chip);
307 if ((status & TPM_STS_DATA_EXPECT) != 0) {
308 rc = -EIO;
309 goto out_err;
310 }
311
312 /* go and do it */
313 iowrite8(TPM_STS_GO,
314 chip->vendor.iobase + TPM_STS(chip->vendor.locality));
315
316 if (chip->vendor.irq) {
317 ordinal = be32_to_cpu(*((__be32 *) (buf + 6)));
318 if (wait_for_stat
319 (chip, TPM_STS_DATA_AVAIL | TPM_STS_VALID,
320 tpm_calc_ordinal_duration(chip, ordinal),
321 &chip->vendor.read_queue) < 0) {
322 rc = -ETIME;
323 goto out_err;
324 }
325 }
326 return len;
327out_err:
328 tpm_tis_ready(chip);
329 release_locality(chip, chip->vendor.locality, 0);
330 return rc;
331}
332
333static struct file_operations tis_ops = {
334 .owner = THIS_MODULE,
335 .llseek = no_llseek,
336 .open = tpm_open,
337 .read = tpm_read,
338 .write = tpm_write,
339 .release = tpm_release,
340};
341
342static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL);
343static DEVICE_ATTR(pcrs, S_IRUGO, tpm_show_pcrs, NULL);
344static DEVICE_ATTR(enabled, S_IRUGO, tpm_show_enabled, NULL);
345static DEVICE_ATTR(active, S_IRUGO, tpm_show_active, NULL);
346static DEVICE_ATTR(owned, S_IRUGO, tpm_show_owned, NULL);
347static DEVICE_ATTR(temp_deactivated, S_IRUGO, tpm_show_temp_deactivated,
348 NULL);
349static DEVICE_ATTR(caps, S_IRUGO, tpm_show_caps_1_2, NULL);
350static DEVICE_ATTR(cancel, S_IWUSR | S_IWGRP, NULL, tpm_store_cancel);
351
352static struct attribute *tis_attrs[] = {
353 &dev_attr_pubek.attr,
354 &dev_attr_pcrs.attr,
355 &dev_attr_enabled.attr,
356 &dev_attr_active.attr,
357 &dev_attr_owned.attr,
358 &dev_attr_temp_deactivated.attr,
359 &dev_attr_caps.attr,
360 &dev_attr_cancel.attr, NULL,
361};
362
363static struct attribute_group tis_attr_grp = {
364 .attrs = tis_attrs
365};
366
367static struct tpm_vendor_specific tpm_tis = {
368 .status = tpm_tis_status,
369 .recv = tpm_tis_recv,
370 .send = tpm_tis_send,
371 .cancel = tpm_tis_ready,
372 .req_complete_mask = TPM_STS_DATA_AVAIL | TPM_STS_VALID,
373 .req_complete_val = TPM_STS_DATA_AVAIL | TPM_STS_VALID,
374 .req_canceled = TPM_STS_COMMAND_READY,
375 .attr_group = &tis_attr_grp,
376 .miscdev = {
377 .fops = &tis_ops,},
378};
379
380static irqreturn_t tis_int_probe(int irq, void *dev_id, struct pt_regs *regs)
381{
382 struct tpm_chip *chip = (struct tpm_chip *) dev_id;
383 u32 interrupt;
384
385 interrupt = ioread32(chip->vendor.iobase +
386 TPM_INT_STATUS(chip->vendor.locality));
387
388 if (interrupt == 0)
389 return IRQ_NONE;
390
391 chip->vendor.irq = irq;
392
393 /* Clear interrupts handled with TPM_EOI */
394 iowrite32(interrupt,
395 chip->vendor.iobase +
396 TPM_INT_STATUS(chip->vendor.locality));
397 return IRQ_HANDLED;
398}
399
400static irqreturn_t tis_int_handler(int irq, void *dev_id, struct pt_regs *regs)
401{
402 struct tpm_chip *chip = (struct tpm_chip *) dev_id;
403 u32 interrupt;
404 int i;
405
406 interrupt = ioread32(chip->vendor.iobase +
407 TPM_INT_STATUS(chip->vendor.locality));
408
409 if (interrupt == 0)
410 return IRQ_NONE;
411
412 if (interrupt & TPM_INTF_DATA_AVAIL_INT)
413 wake_up_interruptible(&chip->vendor.read_queue);
414 if (interrupt & TPM_INTF_LOCALITY_CHANGE_INT)
415 for (i = 0; i < 5; i++)
416 if (check_locality(chip, i) >= 0)
417 break;
418 if (interrupt &
419 (TPM_INTF_LOCALITY_CHANGE_INT | TPM_INTF_STS_VALID_INT |
420 TPM_INTF_CMD_READY_INT))
421 wake_up_interruptible(&chip->vendor.int_queue);
422
423 /* Clear interrupts handled with TPM_EOI */
424 iowrite32(interrupt,
425 chip->vendor.iobase +
426 TPM_INT_STATUS(chip->vendor.locality));
427 return IRQ_HANDLED;
428}
429
430static int interrupts = 1;
431module_param(interrupts, bool, 0444);
432MODULE_PARM_DESC(interrupts, "Enable interrupts");
433
434static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
435 const struct pnp_device_id *pnp_id)
436{
437 u32 vendor, intfcaps, intmask;
438 int rc, i;
439 unsigned long start, len;
440 struct tpm_chip *chip;
441
442 start = pnp_mem_start(pnp_dev, 0);
443 len = pnp_mem_len(pnp_dev, 0);
444
445 if (!start)
446 start = TIS_MEM_BASE;
447 if (!len)
448 len = TIS_MEM_LEN;
449
450 if (!(chip = tpm_register_hardware(&pnp_dev->dev, &tpm_tis)))
451 return -ENODEV;
452
453 chip->vendor.iobase = ioremap(start, len);
454 if (!chip->vendor.iobase) {
455 rc = -EIO;
456 goto out_err;
457 }
458
459 vendor = ioread32(chip->vendor.iobase + TPM_DID_VID(0));
460 if ((vendor & 0xFFFF) == 0xFFFF) {
461 rc = -ENODEV;
462 goto out_err;
463 }
464
465 /* Default timeouts */
466 chip->vendor.timeout_a = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
467 chip->vendor.timeout_b = msecs_to_jiffies(TIS_LONG_TIMEOUT);
468 chip->vendor.timeout_c = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
469 chip->vendor.timeout_d = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
470
471 dev_info(&pnp_dev->dev,
472 "1.2 TPM (device-id 0x%X, rev-id %d)\n",
473 vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0)));
474
475 /* Figure out the capabilities */
476 intfcaps =
477 ioread32(chip->vendor.iobase +
478 TPM_INTF_CAPS(chip->vendor.locality));
479 dev_dbg(&pnp_dev->dev, "TPM interface capabilities (0x%x):\n",
480 intfcaps);
481 if (intfcaps & TPM_INTF_BURST_COUNT_STATIC)
482 dev_dbg(&pnp_dev->dev, "\tBurst Count Static\n");
483 if (intfcaps & TPM_INTF_CMD_READY_INT)
484 dev_dbg(&pnp_dev->dev, "\tCommand Ready Int Support\n");
485 if (intfcaps & TPM_INTF_INT_EDGE_FALLING)
486 dev_dbg(&pnp_dev->dev, "\tInterrupt Edge Falling\n");
487 if (intfcaps & TPM_INTF_INT_EDGE_RISING)
488 dev_dbg(&pnp_dev->dev, "\tInterrupt Edge Rising\n");
489 if (intfcaps & TPM_INTF_INT_LEVEL_LOW)
490 dev_dbg(&pnp_dev->dev, "\tInterrupt Level Low\n");
491 if (intfcaps & TPM_INTF_INT_LEVEL_HIGH)
492 dev_dbg(&pnp_dev->dev, "\tInterrupt Level High\n");
493 if (intfcaps & TPM_INTF_LOCALITY_CHANGE_INT)
494 dev_dbg(&pnp_dev->dev, "\tLocality Change Int Support\n");
495 if (intfcaps & TPM_INTF_STS_VALID_INT)
496 dev_dbg(&pnp_dev->dev, "\tSts Valid Int Support\n");
497 if (intfcaps & TPM_INTF_DATA_AVAIL_INT)
498 dev_dbg(&pnp_dev->dev, "\tData Avail Int Support\n");
499
500 if (request_locality(chip, 0) != 0) {
501 rc = -ENODEV;
502 goto out_err;
503 }
504
505 /* INTERRUPT Setup */
506 init_waitqueue_head(&chip->vendor.read_queue);
507 init_waitqueue_head(&chip->vendor.int_queue);
508
509 intmask =
510 ioread32(chip->vendor.iobase +
511 TPM_INT_ENABLE(chip->vendor.locality));
512
513 intmask |= TPM_INTF_CMD_READY_INT
514 | TPM_INTF_LOCALITY_CHANGE_INT | TPM_INTF_DATA_AVAIL_INT
515 | TPM_INTF_STS_VALID_INT;
516
517 iowrite32(intmask,
518 chip->vendor.iobase +
519 TPM_INT_ENABLE(chip->vendor.locality));
520 if (interrupts) {
521 chip->vendor.irq =
522 ioread8(chip->vendor.iobase +
523 TPM_INT_VECTOR(chip->vendor.locality));
524
525 for (i = 3; i < 16 && chip->vendor.irq == 0; i++) {
526 iowrite8(i, chip->vendor.iobase +
527 TPM_INT_VECTOR(chip->vendor.locality));
528 if (request_irq
529 (i, tis_int_probe, SA_SHIRQ,
530 chip->vendor.miscdev.name, chip) != 0) {
531 dev_info(chip->dev,
532 "Unable to request irq: %d for probe\n",
533 i);
534 continue;
535 }
536
537 /* Clear all existing */
538 iowrite32(ioread32
539 (chip->vendor.iobase +
540 TPM_INT_STATUS(chip->vendor.locality)),
541 chip->vendor.iobase +
542 TPM_INT_STATUS(chip->vendor.locality));
543
544 /* Turn on */
545 iowrite32(intmask | TPM_GLOBAL_INT_ENABLE,
546 chip->vendor.iobase +
547 TPM_INT_ENABLE(chip->vendor.locality));
548
549 /* Generate Interrupts */
550 tpm_gen_interrupt(chip);
551
552 /* Turn off */
553 iowrite32(intmask,
554 chip->vendor.iobase +
555 TPM_INT_ENABLE(chip->vendor.locality));
556 free_irq(i, chip);
557 }
558 }
559 if (chip->vendor.irq) {
560 iowrite8(chip->vendor.irq,
561 chip->vendor.iobase +
562 TPM_INT_VECTOR(chip->vendor.locality));
563 if (request_irq
564 (chip->vendor.irq, tis_int_handler, SA_SHIRQ,
565 chip->vendor.miscdev.name, chip) != 0) {
566 dev_info(chip->dev,
567 "Unable to request irq: %d for use\n",
568 chip->vendor.irq);
569 chip->vendor.irq = 0;
570 } else {
571 /* Clear all existing */
572 iowrite32(ioread32
573 (chip->vendor.iobase +
574 TPM_INT_STATUS(chip->vendor.locality)),
575 chip->vendor.iobase +
576 TPM_INT_STATUS(chip->vendor.locality));
577
578 /* Turn on */
579 iowrite32(intmask | TPM_GLOBAL_INT_ENABLE,
580 chip->vendor.iobase +
581 TPM_INT_ENABLE(chip->vendor.locality));
582 }
583 }
584
585 INIT_LIST_HEAD(&chip->vendor.list);
586 spin_lock(&tis_lock);
587 list_add(&chip->vendor.list, &tis_chips);
588 spin_unlock(&tis_lock);
589
590 tpm_get_timeouts(chip);
591 tpm_continue_selftest(chip);
592
593 return 0;
594out_err:
595 if (chip->vendor.iobase)
596 iounmap(chip->vendor.iobase);
597 tpm_remove_hardware(chip->dev);
598 return rc;
599}
600
601static int tpm_tis_pnp_suspend(struct pnp_dev *dev, pm_message_t msg)
602{
603 return tpm_pm_suspend(&dev->dev, msg);
604}
605
606static int tpm_tis_pnp_resume(struct pnp_dev *dev)
607{
608 return tpm_pm_resume(&dev->dev);
609}
610
611static struct pnp_device_id tpm_pnp_tbl[] __devinitdata = {
612 {"PNP0C31", 0}, /* TPM */
613 {"ATM1200", 0}, /* Atmel */
614 {"IFX0102", 0}, /* Infineon */
615 {"BCM0101", 0}, /* Broadcom */
616 {"NSC1200", 0}, /* National */
617 /* Add new here */
618 {"", 0}, /* User Specified */
619 {"", 0} /* Terminator */
620};
621
622static struct pnp_driver tis_pnp_driver = {
623 .name = "tpm_tis",
624 .id_table = tpm_pnp_tbl,
625 .probe = tpm_tis_pnp_init,
626 .suspend = tpm_tis_pnp_suspend,
627 .resume = tpm_tis_pnp_resume,
628};
629
630#define TIS_HID_USR_IDX sizeof(tpm_pnp_tbl)/sizeof(struct pnp_device_id) -2
631module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
632 sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444);
633MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");
634
635static int __init init_tis(void)
636{
637 return pnp_register_driver(&tis_pnp_driver);
638}
639
640static void __exit cleanup_tis(void)
641{
642 struct tpm_vendor_specific *i, *j;
643 struct tpm_chip *chip;
644 spin_lock(&tis_lock);
645 list_for_each_entry_safe(i, j, &tis_chips, list) {
646 chip = to_tpm_chip(i);
647 iowrite32(~TPM_GLOBAL_INT_ENABLE &
648 ioread32(chip->vendor.iobase +
649 TPM_INT_ENABLE(chip->vendor.
650 locality)),
651 chip->vendor.iobase +
652 TPM_INT_ENABLE(chip->vendor.locality));
653 release_locality(chip, chip->vendor.locality, 1);
654 if (chip->vendor.irq)
655 free_irq(chip->vendor.irq, chip);
656 iounmap(i->iobase);
657 list_del(&i->list);
658 tpm_remove_hardware(chip->dev);
659 }
660 spin_unlock(&tis_lock);
661 pnp_unregister_driver(&tis_pnp_driver);
662}
663
664module_init(init_tis);
665module_exit(cleanup_tis);
666MODULE_AUTHOR("Leendert van Doorn (leendert@watson.ibm.com)");
667MODULE_DESCRIPTION("TPM Driver");
668MODULE_VERSION("2.0");
669MODULE_LICENSE("GPL");
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 98b126c2ded8..f07637a8f88f 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -351,10 +351,10 @@ int tty_buffer_request_room(struct tty_struct *tty, size_t size)
351 spin_unlock_irqrestore(&tty->buf.lock, flags); 351 spin_unlock_irqrestore(&tty->buf.lock, flags);
352 return size; 352 return size;
353} 353}
354
355EXPORT_SYMBOL_GPL(tty_buffer_request_room); 354EXPORT_SYMBOL_GPL(tty_buffer_request_room);
356 355
357int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size) 356int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars,
357 size_t size)
358{ 358{
359 int copied = 0; 359 int copied = 0;
360 do { 360 do {
@@ -368,17 +368,16 @@ int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, s
368 tb->used += space; 368 tb->used += space;
369 copied += space; 369 copied += space;
370 chars += space; 370 chars += space;
371/* printk("Flip insert %d.\n", space); */
372 } 371 }
373 /* There is a small chance that we need to split the data over 372 /* There is a small chance that we need to split the data over
374 several buffers. If this is the case we must loop */ 373 several buffers. If this is the case we must loop */
375 while (unlikely(size > copied)); 374 while (unlikely(size > copied));
376 return copied; 375 return copied;
377} 376}
378
379EXPORT_SYMBOL(tty_insert_flip_string); 377EXPORT_SYMBOL(tty_insert_flip_string);
380 378
381int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size) 379int tty_insert_flip_string_flags(struct tty_struct *tty,
380 const unsigned char *chars, const char *flags, size_t size)
382{ 381{
383 int copied = 0; 382 int copied = 0;
384 do { 383 do {
@@ -399,9 +398,20 @@ int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *ch
399 while (unlikely(size > copied)); 398 while (unlikely(size > copied));
400 return copied; 399 return copied;
401} 400}
402
403EXPORT_SYMBOL_GPL(tty_insert_flip_string_flags); 401EXPORT_SYMBOL_GPL(tty_insert_flip_string_flags);
404 402
403void tty_schedule_flip(struct tty_struct *tty)
404{
405 unsigned long flags;
406 spin_lock_irqsave(&tty->buf.lock, flags);
407 if (tty->buf.tail != NULL) {
408 tty->buf.tail->active = 0;
409 tty->buf.tail->commit = tty->buf.tail->used;
410 }
411 spin_unlock_irqrestore(&tty->buf.lock, flags);
412 schedule_delayed_work(&tty->buf.work, 1);
413}
414EXPORT_SYMBOL(tty_schedule_flip);
405 415
406/* 416/*
407 * Prepare a block of space in the buffer for data. Returns the length 417 * Prepare a block of space in the buffer for data. Returns the length
@@ -1730,7 +1740,7 @@ static void release_dev(struct file * filp)
1730{ 1740{
1731 struct tty_struct *tty, *o_tty; 1741 struct tty_struct *tty, *o_tty;
1732 int pty_master, tty_closing, o_tty_closing, do_sleep; 1742 int pty_master, tty_closing, o_tty_closing, do_sleep;
1733 int devpts_master, devpts; 1743 int devpts;
1734 int idx; 1744 int idx;
1735 char buf[64]; 1745 char buf[64];
1736 unsigned long flags; 1746 unsigned long flags;
@@ -1747,7 +1757,6 @@ static void release_dev(struct file * filp)
1747 pty_master = (tty->driver->type == TTY_DRIVER_TYPE_PTY && 1757 pty_master = (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
1748 tty->driver->subtype == PTY_TYPE_MASTER); 1758 tty->driver->subtype == PTY_TYPE_MASTER);
1749 devpts = (tty->driver->flags & TTY_DRIVER_DEVPTS_MEM) != 0; 1759 devpts = (tty->driver->flags & TTY_DRIVER_DEVPTS_MEM) != 0;
1750 devpts_master = pty_master && devpts;
1751 o_tty = tty->link; 1760 o_tty = tty->link;
1752 1761
1753#ifdef TTY_PARANOIA_CHECK 1762#ifdef TTY_PARANOIA_CHECK
@@ -2185,6 +2194,7 @@ static int ptmx_open(struct inode * inode, struct file * filp)
2185 return 0; 2194 return 0;
2186out1: 2195out1:
2187 release_dev(filp); 2196 release_dev(filp);
2197 return retval;
2188out: 2198out:
2189 down(&allocated_ptys_lock); 2199 down(&allocated_ptys_lock);
2190 idr_remove(&allocated_ptys, index); 2200 idr_remove(&allocated_ptys, index);
@@ -2713,7 +2723,11 @@ static void __do_SAK(void *arg)
2713 } 2723 }
2714 task_lock(p); 2724 task_lock(p);
2715 if (p->files) { 2725 if (p->files) {
2716 rcu_read_lock(); 2726 /*
2727 * We don't take a ref to the file, so we must
2728 * hold ->file_lock instead.
2729 */
2730 spin_lock(&p->files->file_lock);
2717 fdt = files_fdtable(p->files); 2731 fdt = files_fdtable(p->files);
2718 for (i=0; i < fdt->max_fds; i++) { 2732 for (i=0; i < fdt->max_fds; i++) {
2719 filp = fcheck_files(p->files, i); 2733 filp = fcheck_files(p->files, i);
@@ -2724,11 +2738,11 @@ static void __do_SAK(void *arg)
2724 printk(KERN_NOTICE "SAK: killed process %d" 2738 printk(KERN_NOTICE "SAK: killed process %d"
2725 " (%s): fd#%d opened to the tty\n", 2739 " (%s): fd#%d opened to the tty\n",
2726 p->pid, p->comm, i); 2740 p->pid, p->comm, i);
2727 send_sig(SIGKILL, p, 1); 2741 force_sig(SIGKILL, p);
2728 break; 2742 break;
2729 } 2743 }
2730 } 2744 }
2731 rcu_read_unlock(); 2745 spin_unlock(&p->files->file_lock);
2732 } 2746 }
2733 task_unlock(p); 2747 task_unlock(p);
2734 } while_each_thread(g, p); 2748 } while_each_thread(g, p);
diff --git a/drivers/char/vr41xx_rtc.c b/drivers/char/vr41xx_rtc.c
deleted file mode 100644
index b109d9a502d6..000000000000
--- a/drivers/char/vr41xx_rtc.c
+++ /dev/null
@@ -1,717 +0,0 @@
1/*
2 * Driver for NEC VR4100 series Real Time Clock unit.
3 *
4 * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#include <linux/platform_device.h>
21#include <linux/fs.h>
22#include <linux/init.h>
23#include <linux/ioport.h>
24#include <linux/irq.h>
25#include <linux/mc146818rtc.h>
26#include <linux/miscdevice.h>
27#include <linux/module.h>
28#include <linux/poll.h>
29#include <linux/rtc.h>
30#include <linux/spinlock.h>
31#include <linux/types.h>
32#include <linux/wait.h>
33
34#include <asm/div64.h>
35#include <asm/io.h>
36#include <asm/time.h>
37#include <asm/uaccess.h>
38#include <asm/vr41xx/vr41xx.h>
39
40MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
41MODULE_DESCRIPTION("NEC VR4100 series RTC driver");
42MODULE_LICENSE("GPL");
43
44#define RTC1_TYPE1_START 0x0b0000c0UL
45#define RTC1_TYPE1_END 0x0b0000dfUL
46#define RTC2_TYPE1_START 0x0b0001c0UL
47#define RTC2_TYPE1_END 0x0b0001dfUL
48
49#define RTC1_TYPE2_START 0x0f000100UL
50#define RTC1_TYPE2_END 0x0f00011fUL
51#define RTC2_TYPE2_START 0x0f000120UL
52#define RTC2_TYPE2_END 0x0f00013fUL
53
54#define RTC1_SIZE 0x20
55#define RTC2_SIZE 0x20
56
57/* RTC 1 registers */
58#define ETIMELREG 0x00
59#define ETIMEMREG 0x02
60#define ETIMEHREG 0x04
61/* RFU */
62#define ECMPLREG 0x08
63#define ECMPMREG 0x0a
64#define ECMPHREG 0x0c
65/* RFU */
66#define RTCL1LREG 0x10
67#define RTCL1HREG 0x12
68#define RTCL1CNTLREG 0x14
69#define RTCL1CNTHREG 0x16
70#define RTCL2LREG 0x18
71#define RTCL2HREG 0x1a
72#define RTCL2CNTLREG 0x1c
73#define RTCL2CNTHREG 0x1e
74
75/* RTC 2 registers */
76#define TCLKLREG 0x00
77#define TCLKHREG 0x02
78#define TCLKCNTLREG 0x04
79#define TCLKCNTHREG 0x06
80/* RFU */
81#define RTCINTREG 0x1e
82 #define TCLOCK_INT 0x08
83 #define RTCLONG2_INT 0x04
84 #define RTCLONG1_INT 0x02
85 #define ELAPSEDTIME_INT 0x01
86
87#define RTC_FREQUENCY 32768
88#define MAX_PERIODIC_RATE 6553
89#define MAX_USER_PERIODIC_RATE 64
90
91static void __iomem *rtc1_base;
92static void __iomem *rtc2_base;
93
94#define rtc1_read(offset) readw(rtc1_base + (offset))
95#define rtc1_write(offset, value) writew((value), rtc1_base + (offset))
96
97#define rtc2_read(offset) readw(rtc2_base + (offset))
98#define rtc2_write(offset, value) writew((value), rtc2_base + (offset))
99
100static unsigned long epoch = 1970; /* Jan 1 1970 00:00:00 */
101
102static spinlock_t rtc_task_lock;
103static wait_queue_head_t rtc_wait;
104static unsigned long rtc_irq_data;
105static struct fasync_struct *rtc_async_queue;
106static rtc_task_t *rtc_callback;
107static char rtc_name[] = "RTC";
108static unsigned long periodic_frequency;
109static unsigned long periodic_count;
110
111typedef enum {
112 RTC_RELEASE,
113 RTC_OPEN,
114} rtc_status_t;
115
116static rtc_status_t rtc_status;
117
118typedef enum {
119 FUNCTION_RTC_IOCTL,
120 FUNCTION_RTC_CONTROL,
121} rtc_callfrom_t;
122
123struct resource rtc_resource[2] = {
124 { .name = rtc_name,
125 .flags = IORESOURCE_MEM, },
126 { .name = rtc_name,
127 .flags = IORESOURCE_MEM, },
128};
129
130static inline unsigned long read_elapsed_second(void)
131{
132 unsigned long first_low, first_mid, first_high;
133 unsigned long second_low, second_mid, second_high;
134
135 do {
136 first_low = rtc1_read(ETIMELREG);
137 first_mid = rtc1_read(ETIMEMREG);
138 first_high = rtc1_read(ETIMEHREG);
139 second_low = rtc1_read(ETIMELREG);
140 second_mid = rtc1_read(ETIMEMREG);
141 second_high = rtc1_read(ETIMEHREG);
142 } while (first_low != second_low || first_mid != second_mid ||
143 first_high != second_high);
144
145 return (first_high << 17) | (first_mid << 1) | (first_low >> 15);
146}
147
148static inline void write_elapsed_second(unsigned long sec)
149{
150 spin_lock_irq(&rtc_lock);
151
152 rtc1_write(ETIMELREG, (uint16_t)(sec << 15));
153 rtc1_write(ETIMEMREG, (uint16_t)(sec >> 1));
154 rtc1_write(ETIMEHREG, (uint16_t)(sec >> 17));
155
156 spin_unlock_irq(&rtc_lock);
157}
158
159static void set_alarm(struct rtc_time *time)
160{
161 unsigned long alarm_sec;
162
163 alarm_sec = mktime(time->tm_year + 1900, time->tm_mon + 1, time->tm_mday,
164 time->tm_hour, time->tm_min, time->tm_sec);
165
166 spin_lock_irq(&rtc_lock);
167
168 rtc1_write(ECMPLREG, (uint16_t)(alarm_sec << 15));
169 rtc1_write(ECMPMREG, (uint16_t)(alarm_sec >> 1));
170 rtc1_write(ECMPHREG, (uint16_t)(alarm_sec >> 17));
171
172 spin_unlock_irq(&rtc_lock);
173}
174
175static void read_alarm(struct rtc_time *time)
176{
177 unsigned long low, mid, high;
178
179 spin_lock_irq(&rtc_lock);
180
181 low = rtc1_read(ECMPLREG);
182 mid = rtc1_read(ECMPMREG);
183 high = rtc1_read(ECMPHREG);
184
185 spin_unlock_irq(&rtc_lock);
186
187 to_tm((high << 17) | (mid << 1) | (low >> 15), time);
188 time->tm_year -= 1900;
189}
190
191static void read_time(struct rtc_time *time)
192{
193 unsigned long epoch_sec, elapsed_sec;
194
195 epoch_sec = mktime(epoch, 1, 1, 0, 0, 0);
196 elapsed_sec = read_elapsed_second();
197
198 to_tm(epoch_sec + elapsed_sec, time);
199 time->tm_year -= 1900;
200}
201
202static void set_time(struct rtc_time *time)
203{
204 unsigned long epoch_sec, current_sec;
205
206 epoch_sec = mktime(epoch, 1, 1, 0, 0, 0);
207 current_sec = mktime(time->tm_year + 1900, time->tm_mon + 1, time->tm_mday,
208 time->tm_hour, time->tm_min, time->tm_sec);
209
210 write_elapsed_second(current_sec - epoch_sec);
211}
212
213static ssize_t rtc_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
214{
215 DECLARE_WAITQUEUE(wait, current);
216 unsigned long irq_data;
217 int retval = 0;
218
219 if (count != sizeof(unsigned int) && count != sizeof(unsigned long))
220 return -EINVAL;
221
222 add_wait_queue(&rtc_wait, &wait);
223
224 do {
225 __set_current_state(TASK_INTERRUPTIBLE);
226
227 spin_lock_irq(&rtc_lock);
228 irq_data = rtc_irq_data;
229 rtc_irq_data = 0;
230 spin_unlock_irq(&rtc_lock);
231
232 if (irq_data != 0)
233 break;
234
235 if (file->f_flags & O_NONBLOCK) {
236 retval = -EAGAIN;
237 break;
238 }
239
240 if (signal_pending(current)) {
241 retval = -ERESTARTSYS;
242 break;
243 }
244 } while (1);
245
246 if (retval == 0) {
247 if (count == sizeof(unsigned int)) {
248 retval = put_user(irq_data, (unsigned int __user *)buf);
249 if (retval == 0)
250 retval = sizeof(unsigned int);
251 } else {
252 retval = put_user(irq_data, (unsigned long __user *)buf);
253 if (retval == 0)
254 retval = sizeof(unsigned long);
255 }
256
257 }
258
259 __set_current_state(TASK_RUNNING);
260 remove_wait_queue(&rtc_wait, &wait);
261
262 return retval;
263}
264
265static unsigned int rtc_poll(struct file *file, struct poll_table_struct *table)
266{
267 poll_wait(file, &rtc_wait, table);
268
269 if (rtc_irq_data != 0)
270 return POLLIN | POLLRDNORM;
271
272 return 0;
273}
274
275static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, rtc_callfrom_t from)
276{
277 struct rtc_time time;
278 unsigned long count;
279
280 switch (cmd) {
281 case RTC_AIE_ON:
282 enable_irq(ELAPSEDTIME_IRQ);
283 break;
284 case RTC_AIE_OFF:
285 disable_irq(ELAPSEDTIME_IRQ);
286 break;
287 case RTC_PIE_ON:
288 enable_irq(RTCLONG1_IRQ);
289 break;
290 case RTC_PIE_OFF:
291 disable_irq(RTCLONG1_IRQ);
292 break;
293 case RTC_ALM_SET:
294 if (copy_from_user(&time, (struct rtc_time __user *)arg,
295 sizeof(struct rtc_time)))
296 return -EFAULT;
297
298 set_alarm(&time);
299 break;
300 case RTC_ALM_READ:
301 memset(&time, 0, sizeof(struct rtc_time));
302 read_alarm(&time);
303 break;
304 case RTC_RD_TIME:
305 memset(&time, 0, sizeof(struct rtc_time));
306 read_time(&time);
307 if (copy_to_user((void __user *)arg, &time, sizeof(struct rtc_time)))
308 return -EFAULT;
309 break;
310 case RTC_SET_TIME:
311 if (capable(CAP_SYS_TIME) == 0)
312 return -EACCES;
313
314 if (copy_from_user(&time, (struct rtc_time __user *)arg,
315 sizeof(struct rtc_time)))
316 return -EFAULT;
317
318 set_time(&time);
319 break;
320 case RTC_IRQP_READ:
321 return put_user(periodic_frequency, (unsigned long __user *)arg);
322 break;
323 case RTC_IRQP_SET:
324 if (arg > MAX_PERIODIC_RATE)
325 return -EINVAL;
326
327 if (from == FUNCTION_RTC_IOCTL && arg > MAX_USER_PERIODIC_RATE &&
328 capable(CAP_SYS_RESOURCE) == 0)
329 return -EACCES;
330
331 periodic_frequency = arg;
332
333 count = RTC_FREQUENCY;
334 do_div(count, arg);
335
336 periodic_count = count;
337
338 spin_lock_irq(&rtc_lock);
339
340 rtc1_write(RTCL1LREG, count);
341 rtc1_write(RTCL1HREG, count >> 16);
342
343 spin_unlock_irq(&rtc_lock);
344 break;
345 case RTC_EPOCH_READ:
346 return put_user(epoch, (unsigned long __user *)arg);
347 case RTC_EPOCH_SET:
348 /* Doesn't support before 1900 */
349 if (arg < 1900)
350 return -EINVAL;
351
352 if (capable(CAP_SYS_TIME) == 0)
353 return -EACCES;
354
355 epoch = arg;
356 break;
357 default:
358 return -EINVAL;
359 }
360
361 return 0;
362}
363
364static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
365 unsigned long arg)
366{
367 return rtc_do_ioctl(cmd, arg, FUNCTION_RTC_IOCTL);
368}
369
370static int rtc_open(struct inode *inode, struct file *file)
371{
372 spin_lock_irq(&rtc_lock);
373
374 if (rtc_status == RTC_OPEN) {
375 spin_unlock_irq(&rtc_lock);
376 return -EBUSY;
377 }
378
379 rtc_status = RTC_OPEN;
380 rtc_irq_data = 0;
381
382 spin_unlock_irq(&rtc_lock);
383
384 return 0;
385}
386
387static int rtc_release(struct inode *inode, struct file *file)
388{
389 if (file->f_flags & FASYNC)
390 (void)fasync_helper(-1, file, 0, &rtc_async_queue);
391
392 spin_lock_irq(&rtc_lock);
393
394 rtc1_write(ECMPLREG, 0);
395 rtc1_write(ECMPMREG, 0);
396 rtc1_write(ECMPHREG, 0);
397 rtc1_write(RTCL1LREG, 0);
398 rtc1_write(RTCL1HREG, 0);
399
400 rtc_status = RTC_RELEASE;
401
402 spin_unlock_irq(&rtc_lock);
403
404 disable_irq(ELAPSEDTIME_IRQ);
405 disable_irq(RTCLONG1_IRQ);
406
407 return 0;
408}
409
410static int rtc_fasync(int fd, struct file *file, int on)
411{
412 return fasync_helper(fd, file, on, &rtc_async_queue);
413}
414
415static struct file_operations rtc_fops = {
416 .owner = THIS_MODULE,
417 .llseek = no_llseek,
418 .read = rtc_read,
419 .poll = rtc_poll,
420 .ioctl = rtc_ioctl,
421 .open = rtc_open,
422 .release = rtc_release,
423 .fasync = rtc_fasync,
424};
425
426static irqreturn_t elapsedtime_interrupt(int irq, void *dev_id, struct pt_regs *regs)
427{
428 spin_lock(&rtc_lock);
429 rtc2_write(RTCINTREG, ELAPSEDTIME_INT);
430
431 rtc_irq_data += 0x100;
432 rtc_irq_data &= ~0xff;
433 rtc_irq_data |= RTC_AF;
434 spin_unlock(&rtc_lock);
435
436 spin_lock(&rtc_lock);
437 if (rtc_callback)
438 rtc_callback->func(rtc_callback->private_data);
439 spin_unlock(&rtc_lock);
440
441 wake_up_interruptible(&rtc_wait);
442
443 kill_fasync(&rtc_async_queue, SIGIO, POLL_IN);
444
445 return IRQ_HANDLED;
446}
447
448static irqreturn_t rtclong1_interrupt(int irq, void *dev_id, struct pt_regs *regs)
449{
450 unsigned long count = periodic_count;
451
452 spin_lock(&rtc_lock);
453 rtc2_write(RTCINTREG, RTCLONG1_INT);
454
455 rtc1_write(RTCL1LREG, count);
456 rtc1_write(RTCL1HREG, count >> 16);
457
458 rtc_irq_data += 0x100;
459 rtc_irq_data &= ~0xff;
460 rtc_irq_data |= RTC_PF;
461 spin_unlock(&rtc_lock);
462
463 spin_lock(&rtc_task_lock);
464 if (rtc_callback)
465 rtc_callback->func(rtc_callback->private_data);
466 spin_unlock(&rtc_task_lock);
467
468 wake_up_interruptible(&rtc_wait);
469
470 kill_fasync(&rtc_async_queue, SIGIO, POLL_IN);
471
472 return IRQ_HANDLED;
473}
474
475int rtc_register(rtc_task_t *task)
476{
477 if (task == NULL || task->func == NULL)
478 return -EINVAL;
479
480 spin_lock_irq(&rtc_lock);
481 if (rtc_status == RTC_OPEN) {
482 spin_unlock_irq(&rtc_lock);
483 return -EBUSY;
484 }
485
486 spin_lock(&rtc_task_lock);
487 if (rtc_callback != NULL) {
488 spin_unlock(&rtc_task_lock);
489 spin_unlock_irq(&rtc_task_lock);
490 return -EBUSY;
491 }
492
493 rtc_callback = task;
494 spin_unlock(&rtc_task_lock);
495
496 rtc_status = RTC_OPEN;
497
498 spin_unlock_irq(&rtc_lock);
499
500 return 0;
501}
502
503EXPORT_SYMBOL_GPL(rtc_register);
504
505int rtc_unregister(rtc_task_t *task)
506{
507 spin_lock_irq(&rtc_task_lock);
508 if (task == NULL || rtc_callback != task) {
509 spin_unlock_irq(&rtc_task_lock);
510 return -ENXIO;
511 }
512
513 spin_lock(&rtc_lock);
514
515 rtc1_write(ECMPLREG, 0);
516 rtc1_write(ECMPMREG, 0);
517 rtc1_write(ECMPHREG, 0);
518 rtc1_write(RTCL1LREG, 0);
519 rtc1_write(RTCL1HREG, 0);
520
521 rtc_status = RTC_RELEASE;
522
523 spin_unlock(&rtc_lock);
524
525 rtc_callback = NULL;
526
527 spin_unlock_irq(&rtc_task_lock);
528
529 disable_irq(ELAPSEDTIME_IRQ);
530 disable_irq(RTCLONG1_IRQ);
531
532 return 0;
533}
534
535EXPORT_SYMBOL_GPL(rtc_unregister);
536
537int rtc_control(rtc_task_t *task, unsigned int cmd, unsigned long arg)
538{
539 int retval = 0;
540
541 spin_lock_irq(&rtc_task_lock);
542
543 if (rtc_callback != task)
544 retval = -ENXIO;
545 else
546 rtc_do_ioctl(cmd, arg, FUNCTION_RTC_CONTROL);
547
548 spin_unlock_irq(&rtc_task_lock);
549
550 return retval;
551}
552
553EXPORT_SYMBOL_GPL(rtc_control);
554
555static struct miscdevice rtc_miscdevice = {
556 .minor = RTC_MINOR,
557 .name = rtc_name,
558 .fops = &rtc_fops,
559};
560
561static int __devinit rtc_probe(struct platform_device *pdev)
562{
563 unsigned int irq;
564 int retval;
565
566 if (pdev->num_resources != 2)
567 return -EBUSY;
568
569 rtc1_base = ioremap(pdev->resource[0].start, RTC1_SIZE);
570 if (rtc1_base == NULL)
571 return -EBUSY;
572
573 rtc2_base = ioremap(pdev->resource[1].start, RTC2_SIZE);
574 if (rtc2_base == NULL) {
575 iounmap(rtc1_base);
576 rtc1_base = NULL;
577 return -EBUSY;
578 }
579
580 retval = misc_register(&rtc_miscdevice);
581 if (retval < 0) {
582 iounmap(rtc1_base);
583 iounmap(rtc2_base);
584 rtc1_base = NULL;
585 rtc2_base = NULL;
586 return retval;
587 }
588
589 spin_lock_irq(&rtc_lock);
590
591 rtc1_write(ECMPLREG, 0);
592 rtc1_write(ECMPMREG, 0);
593 rtc1_write(ECMPHREG, 0);
594 rtc1_write(RTCL1LREG, 0);
595 rtc1_write(RTCL1HREG, 0);
596
597 rtc_status = RTC_RELEASE;
598 rtc_irq_data = 0;
599
600 spin_unlock_irq(&rtc_lock);
601
602 init_waitqueue_head(&rtc_wait);
603
604 irq = ELAPSEDTIME_IRQ;
605 retval = request_irq(irq, elapsedtime_interrupt, SA_INTERRUPT,
606 "elapsed_time", NULL);
607 if (retval == 0) {
608 irq = RTCLONG1_IRQ;
609 retval = request_irq(irq, rtclong1_interrupt, SA_INTERRUPT,
610 "rtclong1", NULL);
611 }
612
613 if (retval < 0) {
614 printk(KERN_ERR "rtc: IRQ%d is busy\n", irq);
615 if (irq == RTCLONG1_IRQ)
616 free_irq(ELAPSEDTIME_IRQ, NULL);
617 iounmap(rtc1_base);
618 iounmap(rtc2_base);
619 rtc1_base = NULL;
620 rtc2_base = NULL;
621 return retval;
622 }
623
624 disable_irq(ELAPSEDTIME_IRQ);
625 disable_irq(RTCLONG1_IRQ);
626
627 spin_lock_init(&rtc_task_lock);
628
629 printk(KERN_INFO "rtc: Real Time Clock of NEC VR4100 series\n");
630
631 return 0;
632}
633
634static int __devexit rtc_remove(struct platform_device *dev)
635{
636 int retval;
637
638 retval = misc_deregister(&rtc_miscdevice);
639 if (retval < 0)
640 return retval;
641
642 free_irq(ELAPSEDTIME_IRQ, NULL);
643 free_irq(RTCLONG1_IRQ, NULL);
644 if (rtc1_base != NULL)
645 iounmap(rtc1_base);
646 if (rtc2_base != NULL)
647 iounmap(rtc2_base);
648
649 return 0;
650}
651
652static struct platform_device *rtc_platform_device;
653
654static struct platform_driver rtc_device_driver = {
655 .probe = rtc_probe,
656 .remove = __devexit_p(rtc_remove),
657 .driver = {
658 .name = rtc_name,
659 .owner = THIS_MODULE,
660 },
661};
662
663static int __init vr41xx_rtc_init(void)
664{
665 int retval;
666
667 switch (current_cpu_data.cputype) {
668 case CPU_VR4111:
669 case CPU_VR4121:
670 rtc_resource[0].start = RTC1_TYPE1_START;
671 rtc_resource[0].end = RTC1_TYPE1_END;
672 rtc_resource[1].start = RTC2_TYPE1_START;
673 rtc_resource[1].end = RTC2_TYPE1_END;
674 break;
675 case CPU_VR4122:
676 case CPU_VR4131:
677 case CPU_VR4133:
678 rtc_resource[0].start = RTC1_TYPE2_START;
679 rtc_resource[0].end = RTC1_TYPE2_END;
680 rtc_resource[1].start = RTC2_TYPE2_START;
681 rtc_resource[1].end = RTC2_TYPE2_END;
682 break;
683 default:
684 return -ENODEV;
685 break;
686 }
687
688 rtc_platform_device = platform_device_alloc("RTC", -1);
689 if (!rtc_platform_device)
690 return -ENOMEM;
691
692 retval = platform_device_add_resources(rtc_platform_device,
693 rtc_resource, ARRAY_SIZE(rtc_resource));
694
695 if (retval == 0)
696 retval = platform_device_add(rtc_platform_device);
697
698 if (retval < 0) {
699 platform_device_put(rtc_platform_device);
700 return retval;
701 }
702
703 retval = platform_driver_register(&rtc_device_driver);
704 if (retval < 0)
705 platform_device_unregister(rtc_platform_device);
706
707 return retval;
708}
709
710static void __exit vr41xx_rtc_exit(void)
711{
712 platform_driver_unregister(&rtc_device_driver);
713 platform_device_unregister(rtc_platform_device);
714}
715
716module_init(vr41xx_rtc_init);
717module_exit(vr41xx_rtc_exit);
diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig
index 16e99db2e12d..d53f664a4dd8 100644
--- a/drivers/char/watchdog/Kconfig
+++ b/drivers/char/watchdog/Kconfig
@@ -60,6 +60,13 @@ config SOFT_WATCHDOG
60 60
61# ARM Architecture 61# ARM Architecture
62 62
63config AT91_WATCHDOG
64 tristate "AT91RM9200 watchdog"
65 depends on WATCHDOG && ARCH_AT91RM9200
66 help
67 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
68 system when the timeout is reached.
69
63config 21285_WATCHDOG 70config 21285_WATCHDOG
64 tristate "DC21285 watchdog" 71 tristate "DC21285 watchdog"
65 depends on WATCHDOG && FOOTBRIDGE 72 depends on WATCHDOG && FOOTBRIDGE
diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile
index d6f27fde9905..6ab77b61a643 100644
--- a/drivers/char/watchdog/Makefile
+++ b/drivers/char/watchdog/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_WDTPCI) += wdt_pci.o
23obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o 23obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o
24 24
25# ARM Architecture 25# ARM Architecture
26obj-$(CONFIG_AT91_WATCHDOG) += at91_wdt.o
26obj-$(CONFIG_21285_WATCHDOG) += wdt285.o 27obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
27obj-$(CONFIG_977_WATCHDOG) += wdt977.o 28obj-$(CONFIG_977_WATCHDOG) += wdt977.o
28obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o 29obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o
diff --git a/drivers/char/watchdog/at91_wdt.c b/drivers/char/watchdog/at91_wdt.c
new file mode 100644
index 000000000000..ac83bc4b019a
--- /dev/null
+++ b/drivers/char/watchdog/at91_wdt.c
@@ -0,0 +1,228 @@
1/*
2 * Watchdog driver for Atmel AT91RM9200 (Thunder)
3 *
4 * Copyright (C) 2003 SAN People (Pty) Ltd
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#include <linux/config.h>
13#include <linux/errno.h>
14#include <linux/fs.h>
15#include <linux/init.h>
16#include <linux/kernel.h>
17#include <linux/miscdevice.h>
18#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/types.h>
21#include <linux/watchdog.h>
22#include <asm/bitops.h>
23#include <asm/uaccess.h>
24
25
26#define WDT_DEFAULT_TIME 5 /* 5 seconds */
27#define WDT_MAX_TIME 256 /* 256 seconds */
28
29static int wdt_time = WDT_DEFAULT_TIME;
30static int nowayout = WATCHDOG_NOWAYOUT;
31
32module_param(wdt_time, int, 0);
33MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default="__MODULE_STRING(WDT_DEFAULT_TIME) ")");
34
35module_param(nowayout, int, 0);
36MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
37
38
39static unsigned long at91wdt_busy;
40
41/* ......................................................................... */
42
43/*
44 * Disable the watchdog.
45 */
46static void inline at91_wdt_stop(void)
47{
48 at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN);
49}
50
51/*
52 * Enable and reset the watchdog.
53 */
54static void inline at91_wdt_start(void)
55{
56 at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN | AT91_ST_RSTEN | (((65536 * wdt_time) >> 8) & AT91_ST_WDV));
57 at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
58}
59
60/*
61 * Reload the watchdog timer. (ie, pat the watchdog)
62 */
63static void inline at91_wdt_reload(void)
64{
65 at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
66}
67
68/* ......................................................................... */
69
70/*
71 * Watchdog device is opened, and watchdog starts running.
72 */
73static int at91_wdt_open(struct inode *inode, struct file *file)
74{
75 if (test_and_set_bit(0, &at91wdt_busy))
76 return -EBUSY;
77
78 at91_wdt_start();
79 return nonseekable_open(inode, file);
80}
81
82/*
83 * Close the watchdog device.
84 * If CONFIG_WATCHDOG_NOWAYOUT is NOT defined then the watchdog is also
85 * disabled.
86 */
87static int at91_wdt_close(struct inode *inode, struct file *file)
88{
89 if (!nowayout)
90 at91_wdt_stop(); /* Disable the watchdog when file is closed */
91
92 clear_bit(0, &at91wdt_busy);
93 return 0;
94}
95
96/*
97 * Change the watchdog time interval.
98 */
99static int at91_wdt_settimeout(int new_time)
100{
101 /*
102 * All counting occurs at SLOW_CLOCK / 128 = 0.256 Hz
103 *
104 * Since WDV is a 16-bit counter, the maximum period is
105 * 65536 / 0.256 = 256 seconds.
106 */
107 if ((new_time <= 0) || (new_time > WDT_MAX_TIME))
108 return -EINVAL;
109
110 /* Set new watchdog time. It will be used when at91_wdt_start() is called. */
111 wdt_time = new_time;
112 return 0;
113}
114
115static struct watchdog_info at91_wdt_info = {
116 .identity = "at91 watchdog",
117 .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
118};
119
120/*
121 * Handle commands from user-space.
122 */
123static int at91_wdt_ioctl(struct inode *inode, struct file *file,
124 unsigned int cmd, unsigned long arg)
125{
126 void __user *argp = (void __user *)arg;
127 int __user *p = argp;
128 int new_value;
129
130 switch(cmd) {
131 case WDIOC_KEEPALIVE:
132 at91_wdt_reload(); /* pat the watchdog */
133 return 0;
134
135 case WDIOC_GETSUPPORT:
136 return copy_to_user(argp, &at91_wdt_info, sizeof(at91_wdt_info)) ? -EFAULT : 0;
137
138 case WDIOC_SETTIMEOUT:
139 if (get_user(new_value, p))
140 return -EFAULT;
141
142 if (at91_wdt_settimeout(new_value))
143 return -EINVAL;
144
145 /* Enable new time value */
146 at91_wdt_start();
147
148 /* Return current value */
149 return put_user(wdt_time, p);
150
151 case WDIOC_GETTIMEOUT:
152 return put_user(wdt_time, p);
153
154 case WDIOC_GETSTATUS:
155 case WDIOC_GETBOOTSTATUS:
156 return put_user(0, p);
157
158 case WDIOC_SETOPTIONS:
159 if (get_user(new_value, p))
160 return -EFAULT;
161
162 if (new_value & WDIOS_DISABLECARD)
163 at91_wdt_stop();
164 if (new_value & WDIOS_ENABLECARD)
165 at91_wdt_start();
166 return 0;
167
168 default:
169 return -ENOIOCTLCMD;
170 }
171}
172
173/*
174 * Pat the watchdog whenever device is written to.
175 */
176static ssize_t at91_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
177{
178 at91_wdt_reload(); /* pat the watchdog */
179 return len;
180}
181
182/* ......................................................................... */
183
184static struct file_operations at91wdt_fops = {
185 .owner = THIS_MODULE,
186 .llseek = no_llseek,
187 .ioctl = at91_wdt_ioctl,
188 .open = at91_wdt_open,
189 .release = at91_wdt_close,
190 .write = at91_wdt_write,
191};
192
193static struct miscdevice at91wdt_miscdev = {
194 .minor = WATCHDOG_MINOR,
195 .name = "watchdog",
196 .fops = &at91wdt_fops,
197};
198
199static int __init at91_wdt_init(void)
200{
201 int res;
202
203 /* Check that the heartbeat value is within range; if not reset to the default */
204 if (at91_wdt_settimeout(wdt_time)) {
205 at91_wdt_settimeout(WDT_DEFAULT_TIME);
206 printk(KERN_INFO "at91_wdt: wdt_time value must be 1 <= wdt_time <= 256, using %d\n", wdt_time);
207 }
208
209 res = misc_register(&at91wdt_miscdev);
210 if (res)
211 return res;
212
213 printk("AT91 Watchdog Timer enabled (%d seconds, nowayout=%d)\n", wdt_time, nowayout);
214 return 0;
215}
216
217static void __exit at91_wdt_exit(void)
218{
219 misc_deregister(&at91wdt_miscdev);
220}
221
222module_init(at91_wdt_init);
223module_exit(at91_wdt_exit);
224
225MODULE_AUTHOR("Andrew Victor");
226MODULE_DESCRIPTION("Watchdog driver for Atmel AT91RM9200");
227MODULE_LICENSE("GPL");
228MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c
index 8d6b249ad66b..6d44ca68312d 100644
--- a/drivers/char/watchdog/pcwd.c
+++ b/drivers/char/watchdog/pcwd.c
@@ -66,15 +66,13 @@
66#include <linux/fs.h> /* For file operations */ 66#include <linux/fs.h> /* For file operations */
67#include <linux/ioport.h> /* For io-port access */ 67#include <linux/ioport.h> /* For io-port access */
68#include <linux/spinlock.h> /* For spin_lock/spin_unlock/... */ 68#include <linux/spinlock.h> /* For spin_lock/spin_unlock/... */
69#include <linux/sched.h> /* TASK_INTERRUPTIBLE, set_current_state() and friends */
70#include <linux/slab.h> /* For kmalloc */
71 69
72#include <asm/uaccess.h> /* For copy_to_user/put_user/... */ 70#include <asm/uaccess.h> /* For copy_to_user/put_user/... */
73#include <asm/io.h> /* For inb/outb/... */ 71#include <asm/io.h> /* For inb/outb/... */
74 72
75/* Module and version information */ 73/* Module and version information */
76#define WATCHDOG_VERSION "1.16" 74#define WATCHDOG_VERSION "1.17"
77#define WATCHDOG_DATE "03 Jan 2006" 75#define WATCHDOG_DATE "12 Feb 2006"
78#define WATCHDOG_DRIVER_NAME "ISA-PC Watchdog" 76#define WATCHDOG_DRIVER_NAME "ISA-PC Watchdog"
79#define WATCHDOG_NAME "pcwd" 77#define WATCHDOG_NAME "pcwd"
80#define PFX WATCHDOG_NAME ": " 78#define PFX WATCHDOG_NAME ": "
@@ -96,15 +94,19 @@
96 * PCI-PC Watchdog card. 94 * PCI-PC Watchdog card.
97*/ 95*/
98/* Port 1 : Control Status #1 for the PC Watchdog card, revision A. */ 96/* Port 1 : Control Status #1 for the PC Watchdog card, revision A. */
99#define WD_WDRST 0x01 /* Previously reset state */ 97#define WD_WDRST 0x01 /* Previously reset state */
100#define WD_T110 0x02 /* Temperature overheat sense */ 98#define WD_T110 0x02 /* Temperature overheat sense */
101#define WD_HRTBT 0x04 /* Heartbeat sense */ 99#define WD_HRTBT 0x04 /* Heartbeat sense */
102#define WD_RLY2 0x08 /* External relay triggered */ 100#define WD_RLY2 0x08 /* External relay triggered */
103#define WD_SRLY2 0x80 /* Software external relay triggered */ 101#define WD_SRLY2 0x80 /* Software external relay triggered */
104/* Port 1 : Control Status #1 for the PC Watchdog card, revision C. */ 102/* Port 1 : Control Status #1 for the PC Watchdog card, revision C. */
105#define WD_REVC_WTRP 0x01 /* Watchdog Trip status */ 103#define WD_REVC_WTRP 0x01 /* Watchdog Trip status */
106#define WD_REVC_HRBT 0x02 /* Watchdog Heartbeat */ 104#define WD_REVC_HRBT 0x02 /* Watchdog Heartbeat */
107#define WD_REVC_TTRP 0x04 /* Temperature Trip status */ 105#define WD_REVC_TTRP 0x04 /* Temperature Trip status */
106#define WD_REVC_RL2A 0x08 /* Relay 2 activated by on-board processor */
107#define WD_REVC_RL1A 0x10 /* Relay 1 active */
108#define WD_REVC_R2DS 0x40 /* Relay 2 disable */
109#define WD_REVC_RLY2 0x80 /* Relay 2 activated? */
108/* Port 2 : Control Status #2 */ 110/* Port 2 : Control Status #2 */
109#define WD_WDIS 0x10 /* Watchdog Disabled */ 111#define WD_WDIS 0x10 /* Watchdog Disabled */
110#define WD_ENTP 0x20 /* Watchdog Enable Temperature Trip */ 112#define WD_ENTP 0x20 /* Watchdog Enable Temperature Trip */
@@ -122,9 +124,14 @@
122#define CMD_ISA_VERSION_HUNDRETH 0x03 124#define CMD_ISA_VERSION_HUNDRETH 0x03
123#define CMD_ISA_VERSION_MINOR 0x04 125#define CMD_ISA_VERSION_MINOR 0x04
124#define CMD_ISA_SWITCH_SETTINGS 0x05 126#define CMD_ISA_SWITCH_SETTINGS 0x05
127#define CMD_ISA_RESET_PC 0x06
128#define CMD_ISA_ARM_0 0x07
129#define CMD_ISA_ARM_30 0x08
130#define CMD_ISA_ARM_60 0x09
125#define CMD_ISA_DELAY_TIME_2SECS 0x0A 131#define CMD_ISA_DELAY_TIME_2SECS 0x0A
126#define CMD_ISA_DELAY_TIME_4SECS 0x0B 132#define CMD_ISA_DELAY_TIME_4SECS 0x0B
127#define CMD_ISA_DELAY_TIME_8SECS 0x0C 133#define CMD_ISA_DELAY_TIME_8SECS 0x0C
134#define CMD_ISA_RESET_RELAYS 0x0D
128 135
129/* 136/*
130 * We are using an kernel timer to do the pinging of the watchdog 137 * We are using an kernel timer to do the pinging of the watchdog
@@ -142,6 +149,7 @@ static atomic_t open_allowed = ATOMIC_INIT(1);
142static char expect_close; 149static char expect_close;
143static int temp_panic; 150static int temp_panic;
144static struct { /* this is private data for each ISA-PC watchdog card */ 151static struct { /* this is private data for each ISA-PC watchdog card */
152 char fw_ver_str[6]; /* The cards firmware version */
145 int revision; /* The card's revision */ 153 int revision; /* The card's revision */
146 int supports_temp; /* Wether or not the card has a temperature device */ 154 int supports_temp; /* Wether or not the card has a temperature device */
147 int command_mode; /* Wether or not the card is in command mode */ 155 int command_mode; /* Wether or not the card is in command mode */
@@ -153,6 +161,13 @@ static struct { /* this is private data for each ISA-PC watchdog card */
153} pcwd_private; 161} pcwd_private;
154 162
155/* module parameters */ 163/* module parameters */
164#define QUIET 0 /* Default */
165#define VERBOSE 1 /* Verbose */
166#define DEBUG 2 /* print fancy stuff too */
167static int debug = QUIET;
168module_param(debug, int, 0);
169MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)");
170
156#define WATCHDOG_HEARTBEAT 60 /* 60 sec default heartbeat */ 171#define WATCHDOG_HEARTBEAT 60 /* 60 sec default heartbeat */
157static int heartbeat = WATCHDOG_HEARTBEAT; 172static int heartbeat = WATCHDOG_HEARTBEAT;
158module_param(heartbeat, int, 0); 173module_param(heartbeat, int, 0);
@@ -172,6 +187,10 @@ static int send_isa_command(int cmd)
172 int control_status; 187 int control_status;
173 int port0, last_port0; /* Double read for stabilising */ 188 int port0, last_port0; /* Double read for stabilising */
174 189
190 if (debug >= DEBUG)
191 printk(KERN_DEBUG PFX "sending following data cmd=0x%02x\n",
192 cmd);
193
175 /* The WCMD bit must be 1 and the command is only 4 bits in size */ 194 /* The WCMD bit must be 1 and the command is only 4 bits in size */
176 control_status = (cmd & 0x0F) | WD_WCMD; 195 control_status = (cmd & 0x0F) | WD_WCMD;
177 outb_p(control_status, pcwd_private.io_addr + 2); 196 outb_p(control_status, pcwd_private.io_addr + 2);
@@ -188,6 +207,10 @@ static int send_isa_command(int cmd)
188 udelay (250); 207 udelay (250);
189 } 208 }
190 209
210 if (debug >= DEBUG)
211 printk(KERN_DEBUG PFX "received following data for cmd=0x%02x: port0=0x%02x last_port0=0x%02x\n",
212 cmd, port0, last_port0);
213
191 return port0; 214 return port0;
192} 215}
193 216
@@ -214,6 +237,10 @@ static int set_command_mode(void)
214 spin_unlock(&pcwd_private.io_lock); 237 spin_unlock(&pcwd_private.io_lock);
215 pcwd_private.command_mode = found; 238 pcwd_private.command_mode = found;
216 239
240 if (debug >= DEBUG)
241 printk(KERN_DEBUG PFX "command_mode=%d\n",
242 pcwd_private.command_mode);
243
217 return(found); 244 return(found);
218} 245}
219 246
@@ -226,6 +253,10 @@ static void unset_command_mode(void)
226 spin_unlock(&pcwd_private.io_lock); 253 spin_unlock(&pcwd_private.io_lock);
227 254
228 pcwd_private.command_mode = 0; 255 pcwd_private.command_mode = 0;
256
257 if (debug >= DEBUG)
258 printk(KERN_DEBUG PFX "command_mode=%d\n",
259 pcwd_private.command_mode);
229} 260}
230 261
231static inline void pcwd_check_temperature_support(void) 262static inline void pcwd_check_temperature_support(void)
@@ -234,27 +265,22 @@ static inline void pcwd_check_temperature_support(void)
234 pcwd_private.supports_temp = 1; 265 pcwd_private.supports_temp = 1;
235} 266}
236 267
237static inline char *get_firmware(void) 268static inline void pcwd_get_firmware(void)
238{ 269{
239 int one, ten, hund, minor; 270 int one, ten, hund, minor;
240 char *ret;
241 271
242 ret = kmalloc(6, GFP_KERNEL); 272 strcpy(pcwd_private.fw_ver_str, "ERROR");
243 if(ret == NULL)
244 return NULL;
245 273
246 if (set_command_mode()) { 274 if (set_command_mode()) {
247 one = send_isa_command(CMD_ISA_VERSION_INTEGER); 275 one = send_isa_command(CMD_ISA_VERSION_INTEGER);
248 ten = send_isa_command(CMD_ISA_VERSION_TENTH); 276 ten = send_isa_command(CMD_ISA_VERSION_TENTH);
249 hund = send_isa_command(CMD_ISA_VERSION_HUNDRETH); 277 hund = send_isa_command(CMD_ISA_VERSION_HUNDRETH);
250 minor = send_isa_command(CMD_ISA_VERSION_MINOR); 278 minor = send_isa_command(CMD_ISA_VERSION_MINOR);
251 sprintf(ret, "%c.%c%c%c", one, ten, hund, minor); 279 sprintf(pcwd_private.fw_ver_str, "%c.%c%c%c", one, ten, hund, minor);
252 } 280 }
253 else
254 sprintf(ret, "ERROR");
255
256 unset_command_mode(); 281 unset_command_mode();
257 return(ret); 282
283 return;
258} 284}
259 285
260static inline int pcwd_get_option_switches(void) 286static inline int pcwd_get_option_switches(void)
@@ -272,17 +298,15 @@ static inline int pcwd_get_option_switches(void)
272 298
273static void pcwd_show_card_info(void) 299static void pcwd_show_card_info(void)
274{ 300{
275 char *firmware;
276 int option_switches; 301 int option_switches;
277 302
278 /* Get some extra info from the hardware (in command/debug/diag mode) */ 303 /* Get some extra info from the hardware (in command/debug/diag mode) */
279 if (pcwd_private.revision == PCWD_REVISION_A) 304 if (pcwd_private.revision == PCWD_REVISION_A)
280 printk(KERN_INFO PFX "ISA-PC Watchdog (REV.A) detected at port 0x%04x\n", pcwd_private.io_addr); 305 printk(KERN_INFO PFX "ISA-PC Watchdog (REV.A) detected at port 0x%04x\n", pcwd_private.io_addr);
281 else if (pcwd_private.revision == PCWD_REVISION_C) { 306 else if (pcwd_private.revision == PCWD_REVISION_C) {
282 firmware = get_firmware(); 307 pcwd_get_firmware();
283 printk(KERN_INFO PFX "ISA-PC Watchdog (REV.C) detected at port 0x%04x (Firmware version: %s)\n", 308 printk(KERN_INFO PFX "ISA-PC Watchdog (REV.C) detected at port 0x%04x (Firmware version: %s)\n",
284 pcwd_private.io_addr, firmware); 309 pcwd_private.io_addr, pcwd_private.fw_ver_str);
285 kfree(firmware);
286 option_switches = pcwd_get_option_switches(); 310 option_switches = pcwd_get_option_switches();
287 printk(KERN_INFO PFX "Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n", 311 printk(KERN_INFO PFX "Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n",
288 option_switches, 312 option_switches,
@@ -362,6 +386,10 @@ static int pcwd_start(void)
362 return -EIO; 386 return -EIO;
363 } 387 }
364 } 388 }
389
390 if (debug >= VERBOSE)
391 printk(KERN_DEBUG PFX "Watchdog started\n");
392
365 return 0; 393 return 0;
366} 394}
367 395
@@ -386,6 +414,10 @@ static int pcwd_stop(void)
386 return -EIO; 414 return -EIO;
387 } 415 }
388 } 416 }
417
418 if (debug >= VERBOSE)
419 printk(KERN_DEBUG PFX "Watchdog stopped\n");
420
389 return 0; 421 return 0;
390} 422}
391 423
@@ -393,6 +425,10 @@ static int pcwd_keepalive(void)
393{ 425{
394 /* user land ping */ 426 /* user land ping */
395 pcwd_private.next_heartbeat = jiffies + (heartbeat * HZ); 427 pcwd_private.next_heartbeat = jiffies + (heartbeat * HZ);
428
429 if (debug >= DEBUG)
430 printk(KERN_DEBUG PFX "Watchdog keepalive signal send\n");
431
396 return 0; 432 return 0;
397} 433}
398 434
@@ -402,12 +438,17 @@ static int pcwd_set_heartbeat(int t)
402 return -EINVAL; 438 return -EINVAL;
403 439
404 heartbeat = t; 440 heartbeat = t;
441
442 if (debug >= VERBOSE)
443 printk(KERN_DEBUG PFX "New heartbeat: %d\n",
444 heartbeat);
445
405 return 0; 446 return 0;
406} 447}
407 448
408static int pcwd_get_status(int *status) 449static int pcwd_get_status(int *status)
409{ 450{
410 int card_status; 451 int control_status;
411 452
412 *status=0; 453 *status=0;
413 spin_lock(&pcwd_private.io_lock); 454 spin_lock(&pcwd_private.io_lock);
@@ -415,37 +456,39 @@ static int pcwd_get_status(int *status)
415 /* Rev A cards return status information from 456 /* Rev A cards return status information from
416 * the base register, which is used for the 457 * the base register, which is used for the
417 * temperature in other cards. */ 458 * temperature in other cards. */
418 card_status = inb(pcwd_private.io_addr); 459 control_status = inb(pcwd_private.io_addr);
419 else { 460 else {
420 /* Rev C cards return card status in the base 461 /* Rev C cards return card status in the base
421 * address + 1 register. And use different bits 462 * address + 1 register. And use different bits
422 * to indicate a card initiated reset, and an 463 * to indicate a card initiated reset, and an
423 * over-temperature condition. And the reboot 464 * over-temperature condition. And the reboot
424 * status can be reset. */ 465 * status can be reset. */
425 card_status = inb(pcwd_private.io_addr + 1); 466 control_status = inb(pcwd_private.io_addr + 1);
426 } 467 }
427 spin_unlock(&pcwd_private.io_lock); 468 spin_unlock(&pcwd_private.io_lock);
428 469
429 if (pcwd_private.revision == PCWD_REVISION_A) { 470 if (pcwd_private.revision == PCWD_REVISION_A) {
430 if (card_status & WD_WDRST) 471 if (control_status & WD_WDRST)
431 *status |= WDIOF_CARDRESET; 472 *status |= WDIOF_CARDRESET;
432 473
433 if (card_status & WD_T110) { 474 if (control_status & WD_T110) {
434 *status |= WDIOF_OVERHEAT; 475 *status |= WDIOF_OVERHEAT;
435 if (temp_panic) { 476 if (temp_panic) {
436 printk (KERN_INFO PFX "Temperature overheat trip!\n"); 477 printk (KERN_INFO PFX "Temperature overheat trip!\n");
437 kernel_power_off(); 478 kernel_power_off();
479 /* or should we just do a: panic(PFX "Temperature overheat trip!\n"); */
438 } 480 }
439 } 481 }
440 } else { 482 } else {
441 if (card_status & WD_REVC_WTRP) 483 if (control_status & WD_REVC_WTRP)
442 *status |= WDIOF_CARDRESET; 484 *status |= WDIOF_CARDRESET;
443 485
444 if (card_status & WD_REVC_TTRP) { 486 if (control_status & WD_REVC_TTRP) {
445 *status |= WDIOF_OVERHEAT; 487 *status |= WDIOF_OVERHEAT;
446 if (temp_panic) { 488 if (temp_panic) {
447 printk (KERN_INFO PFX "Temperature overheat trip!\n"); 489 printk (KERN_INFO PFX "Temperature overheat trip!\n");
448 kernel_power_off(); 490 kernel_power_off();
491 /* or should we just do a: panic(PFX "Temperature overheat trip!\n"); */
449 } 492 }
450 } 493 }
451 } 494 }
@@ -455,9 +498,25 @@ static int pcwd_get_status(int *status)
455 498
456static int pcwd_clear_status(void) 499static int pcwd_clear_status(void)
457{ 500{
501 int control_status;
502
458 if (pcwd_private.revision == PCWD_REVISION_C) { 503 if (pcwd_private.revision == PCWD_REVISION_C) {
459 spin_lock(&pcwd_private.io_lock); 504 spin_lock(&pcwd_private.io_lock);
460 outb_p(0x00, pcwd_private.io_addr + 1); /* clear reset status */ 505
506 if (debug >= VERBOSE)
507 printk(KERN_INFO PFX "clearing watchdog trip status\n");
508
509 control_status = inb_p(pcwd_private.io_addr + 1);
510
511 if (debug >= DEBUG) {
512 printk(KERN_DEBUG PFX "status was: 0x%02x\n", control_status);
513 printk(KERN_DEBUG PFX "sending: 0x%02x\n",
514 (control_status & WD_REVC_R2DS));
515 }
516
517 /* clear reset status & Keep Relay 2 disable state as it is */
518 outb_p((control_status & WD_REVC_R2DS), pcwd_private.io_addr + 1);
519
461 spin_unlock(&pcwd_private.io_lock); 520 spin_unlock(&pcwd_private.io_lock);
462 } 521 }
463 return 0; 522 return 0;
@@ -481,6 +540,11 @@ static int pcwd_get_temperature(int *temperature)
481 *temperature = ((inb(pcwd_private.io_addr)) * 9 / 5) + 32; 540 *temperature = ((inb(pcwd_private.io_addr)) * 9 / 5) + 32;
482 spin_unlock(&pcwd_private.io_lock); 541 spin_unlock(&pcwd_private.io_lock);
483 542
543 if (debug >= DEBUG) {
544 printk(KERN_DEBUG PFX "temperature is: %d F\n",
545 *temperature);
546 }
547
484 return 0; 548 return 0;
485} 549}
486 550
@@ -599,6 +663,8 @@ static ssize_t pcwd_write(struct file *file, const char __user *buf, size_t len,
599static int pcwd_open(struct inode *inode, struct file *file) 663static int pcwd_open(struct inode *inode, struct file *file)
600{ 664{
601 if (!atomic_dec_and_test(&open_allowed) ) { 665 if (!atomic_dec_and_test(&open_allowed) ) {
666 if (debug >= VERBOSE)
667 printk(KERN_ERR PFX "Attempt to open already opened device.\n");
602 atomic_inc( &open_allowed ); 668 atomic_inc( &open_allowed );
603 return -EBUSY; 669 return -EBUSY;
604 } 670 }
@@ -922,7 +988,8 @@ static void __exit pcwd_cleanup_module(void)
922{ 988{
923 if (pcwd_private.io_addr) 989 if (pcwd_private.io_addr)
924 pcwatchdog_exit(); 990 pcwatchdog_exit();
925 return; 991
992 printk(KERN_INFO PFX "Watchdog Module Unloaded.\n");
926} 993}
927 994
928module_init(pcwd_init_module); 995module_init(pcwd_init_module);
diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c
index 2700c5c45b8a..3fdfda9324fa 100644
--- a/drivers/char/watchdog/pcwd_usb.c
+++ b/drivers/char/watchdog/pcwd_usb.c
@@ -705,7 +705,8 @@ err_out_misc_deregister:
705err_out_unregister_reboot: 705err_out_unregister_reboot:
706 unregister_reboot_notifier(&usb_pcwd_notifier); 706 unregister_reboot_notifier(&usb_pcwd_notifier);
707error: 707error:
708 usb_pcwd_delete (usb_pcwd); 708 if (usb_pcwd)
709 usb_pcwd_delete(usb_pcwd);
709 usb_pcwd_device = NULL; 710 usb_pcwd_device = NULL;
710 return retval; 711 return retval;
711} 712}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-22 01:59:33 -0500