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-rw-r--r--drivers/char/drm/Kconfig2
-rw-r--r--drivers/char/drm/drm.h6
-rw-r--r--drivers/char/drm/drmP.h91
-rw-r--r--drivers/char/drm/drm_agpsupport.c138
-rw-r--r--drivers/char/drm/drm_bufs.c566
-rw-r--r--drivers/char/drm/drm_drv.c79
-rw-r--r--drivers/char/drm/drm_fops.c6
-rw-r--r--drivers/char/drm/drm_memory.c8
-rw-r--r--drivers/char/drm/drm_pci.c45
-rw-r--r--drivers/char/drm/drm_pciids.h7
-rw-r--r--drivers/char/drm/drm_proc.c13
-rw-r--r--drivers/char/drm/drm_stub.c8
-rw-r--r--drivers/char/drm/drm_vm.c11
-rw-r--r--drivers/char/drm/i810_dma.c16
-rw-r--r--drivers/char/drm/i810_drv.c1
-rw-r--r--drivers/char/drm/i810_drv.h1
-rw-r--r--drivers/char/drm/i830_dma.c16
-rw-r--r--drivers/char/drm/i830_drv.c1
-rw-r--r--drivers/char/drm/i830_drv.h1
-rw-r--r--drivers/char/drm/i915_dma.c31
-rw-r--r--drivers/char/drm/i915_drv.c1
-rw-r--r--drivers/char/drm/i915_drv.h4
-rw-r--r--drivers/char/drm/mga_dma.c601
-rw-r--r--drivers/char/drm/mga_drm.h98
-rw-r--r--drivers/char/drm/mga_drv.c45
-rw-r--r--drivers/char/drm/mga_drv.h94
-rw-r--r--drivers/char/drm/mga_irq.c72
-rw-r--r--drivers/char/drm/mga_state.c158
-rw-r--r--drivers/char/drm/mga_warp.c141
-rw-r--r--drivers/char/drm/radeon_cp.c21
-rw-r--r--drivers/char/drm/radeon_drv.c1
-rw-r--r--drivers/char/drm/radeon_drv.h1
32 files changed, 1694 insertions, 590 deletions
diff --git a/drivers/char/drm/Kconfig b/drivers/char/drm/Kconfig
index 123417e43040..d6c50312aec6 100644
--- a/drivers/char/drm/Kconfig
+++ b/drivers/char/drm/Kconfig
@@ -82,7 +82,7 @@ endchoice
82 82
83config DRM_MGA 83config DRM_MGA
84 tristate "Matrox g200/g400" 84 tristate "Matrox g200/g400"
85 depends on DRM && AGP 85 depends on DRM
86 help 86 help
87 Choose this option if you have a Matrox G200, G400 or G450 graphics 87 Choose this option if you have a Matrox G200, G400 or G450 graphics
88 card. If M is selected, the module will be called mga. AGP 88 card. If M is selected, the module will be called mga. AGP
diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h
index e8371dd87fbc..3a4745f76cf0 100644
--- a/drivers/char/drm/drm.h
+++ b/drivers/char/drm/drm.h
@@ -209,7 +209,8 @@ typedef enum drm_map_type {
209 _DRM_REGISTERS = 1, /**< no caching, no core dump */ 209 _DRM_REGISTERS = 1, /**< no caching, no core dump */
210 _DRM_SHM = 2, /**< shared, cached */ 210 _DRM_SHM = 2, /**< shared, cached */
211 _DRM_AGP = 3, /**< AGP/GART */ 211 _DRM_AGP = 3, /**< AGP/GART */
212 _DRM_SCATTER_GATHER = 4 /**< Scatter/gather memory for PCI DMA */ 212 _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */
213 _DRM_CONSISTENT = 5, /**< Consistent memory for PCI DMA */
213} drm_map_type_t; 214} drm_map_type_t;
214 215
215 216
@@ -368,7 +369,8 @@ typedef struct drm_buf_desc {
368 enum { 369 enum {
369 _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ 370 _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
370 _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ 371 _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
371 _DRM_SG_BUFFER = 0x04 /**< Scatter/gather memory buffer */ 372 _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */
373 _DRM_FB_BUFFER = 0x08 /**< Buffer is in frame buffer */
372 } flags; 374 } flags;
373 unsigned long agp_start; /**< 375 unsigned long agp_start; /**<
374 * Start address of where the AGP buffers are 376 * Start address of where the AGP buffers are
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 5df09cc8c6db..fb2af9279148 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -96,6 +96,7 @@
96#define DRIVER_IRQ_SHARED 0x80 96#define DRIVER_IRQ_SHARED 0x80
97#define DRIVER_IRQ_VBL 0x100 97#define DRIVER_IRQ_VBL 0x100
98#define DRIVER_DMA_QUEUE 0x200 98#define DRIVER_DMA_QUEUE 0x200
99#define DRIVER_FB_DMA 0x400
99 100
100/***********************************************************************/ 101/***********************************************************************/
101/** \name Begin the DRM... */ 102/** \name Begin the DRM... */
@@ -474,7 +475,8 @@ typedef struct drm_device_dma {
474 unsigned long byte_count; 475 unsigned long byte_count;
475 enum { 476 enum {
476 _DRM_DMA_USE_AGP = 0x01, 477 _DRM_DMA_USE_AGP = 0x01,
477 _DRM_DMA_USE_SG = 0x02 478 _DRM_DMA_USE_SG = 0x02,
479 _DRM_DMA_USE_FB = 0x04
478 } flags; 480 } flags;
479 481
480} drm_device_dma_t; 482} drm_device_dma_t;
@@ -525,6 +527,12 @@ typedef struct drm_sigdata {
525 drm_hw_lock_t *lock; 527 drm_hw_lock_t *lock;
526} drm_sigdata_t; 528} drm_sigdata_t;
527 529
530typedef struct drm_dma_handle {
531 dma_addr_t busaddr;
532 void *vaddr;
533 size_t size;
534} drm_dma_handle_t;
535
528/** 536/**
529 * Mappings list 537 * Mappings list
530 */ 538 */
@@ -578,7 +586,22 @@ struct drm_driver {
578 int (*kernel_context_switch)(struct drm_device *dev, int old, int new); 586 int (*kernel_context_switch)(struct drm_device *dev, int old, int new);
579 void (*kernel_context_switch_unlock)(struct drm_device *dev, drm_lock_t *lock); 587 void (*kernel_context_switch_unlock)(struct drm_device *dev, drm_lock_t *lock);
580 int (*vblank_wait)(struct drm_device *dev, unsigned int *sequence); 588 int (*vblank_wait)(struct drm_device *dev, unsigned int *sequence);
589
590 /**
591 * Called by \c drm_device_is_agp. Typically used to determine if a
592 * card is really attached to AGP or not.
593 *
594 * \param dev DRM device handle
595 *
596 * \returns
597 * One of three values is returned depending on whether or not the
598 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
599 * (return of 1), or may or may not be AGP (return of 2).
600 */
601 int (*device_is_agp) (struct drm_device * dev);
602
581 /* these have to be filled in */ 603 /* these have to be filled in */
604
582 int (*postinit)(struct drm_device *, unsigned long flags); 605 int (*postinit)(struct drm_device *, unsigned long flags);
583 irqreturn_t (*irq_handler)( DRM_IRQ_ARGS ); 606 irqreturn_t (*irq_handler)( DRM_IRQ_ARGS );
584 void (*irq_preinstall)(struct drm_device *dev); 607 void (*irq_preinstall)(struct drm_device *dev);
@@ -806,7 +829,7 @@ extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size,
806 drm_device_t *dev); 829 drm_device_t *dev);
807extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t *dev); 830extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t *dev);
808 831
809extern DRM_AGP_MEM *drm_alloc_agp(struct agp_bridge_data *bridge, int pages, u32 type); 832extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t *dev, int pages, u32 type);
810extern int drm_free_agp(DRM_AGP_MEM *handle, int pages); 833extern int drm_free_agp(DRM_AGP_MEM *handle, int pages);
811extern int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start); 834extern int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start);
812extern int drm_unbind_agp(DRM_AGP_MEM *handle); 835extern int drm_unbind_agp(DRM_AGP_MEM *handle);
@@ -881,11 +904,19 @@ extern int drm_lock_free(drm_device_t *dev,
881 unsigned int context); 904 unsigned int context);
882 905
883 /* Buffer management support (drm_bufs.h) */ 906 /* Buffer management support (drm_bufs.h) */
907extern int drm_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request);
908extern int drm_addbufs_pci(drm_device_t *dev, drm_buf_desc_t *request);
909extern int drm_addmap(drm_device_t *dev, unsigned int offset,
910 unsigned int size, drm_map_type_t type,
911 drm_map_flags_t flags, drm_local_map_t **map_ptr);
912extern int drm_addmap_ioctl(struct inode *inode, struct file *filp,
913 unsigned int cmd, unsigned long arg);
914extern int drm_rmmap(drm_device_t *dev, drm_local_map_t *map);
915extern int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map);
916extern int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
917 unsigned int cmd, unsigned long arg);
918
884extern int drm_order( unsigned long size ); 919extern int drm_order( unsigned long size );
885extern int drm_addmap( struct inode *inode, struct file *filp,
886 unsigned int cmd, unsigned long arg );
887extern int drm_rmmap( struct inode *inode, struct file *filp,
888 unsigned int cmd, unsigned long arg );
889extern int drm_addbufs( struct inode *inode, struct file *filp, 920extern int drm_addbufs( struct inode *inode, struct file *filp,
890 unsigned int cmd, unsigned long arg ); 921 unsigned int cmd, unsigned long arg );
891extern int drm_infobufs( struct inode *inode, struct file *filp, 922extern int drm_infobufs( struct inode *inode, struct file *filp,
@@ -896,6 +927,10 @@ extern int drm_freebufs( struct inode *inode, struct file *filp,
896 unsigned int cmd, unsigned long arg ); 927 unsigned int cmd, unsigned long arg );
897extern int drm_mapbufs( struct inode *inode, struct file *filp, 928extern int drm_mapbufs( struct inode *inode, struct file *filp,
898 unsigned int cmd, unsigned long arg ); 929 unsigned int cmd, unsigned long arg );
930extern unsigned long drm_get_resource_start(drm_device_t *dev,
931 unsigned int resource);
932extern unsigned long drm_get_resource_len(drm_device_t *dev,
933 unsigned int resource);
899 934
900 /* DMA support (drm_dma.h) */ 935 /* DMA support (drm_dma.h) */
901extern int drm_dma_setup(drm_device_t *dev); 936extern int drm_dma_setup(drm_device_t *dev);
@@ -919,15 +954,18 @@ extern void drm_vbl_send_signals( drm_device_t *dev );
919 954
920 /* AGP/GART support (drm_agpsupport.h) */ 955 /* AGP/GART support (drm_agpsupport.h) */
921extern drm_agp_head_t *drm_agp_init(drm_device_t *dev); 956extern drm_agp_head_t *drm_agp_init(drm_device_t *dev);
922extern int drm_agp_acquire(struct inode *inode, struct file *filp, 957extern int drm_agp_acquire(drm_device_t * dev);
923 unsigned int cmd, unsigned long arg); 958extern int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp,
924extern void drm_agp_do_release(drm_device_t *dev); 959 unsigned int cmd, unsigned long arg);
925extern int drm_agp_release(struct inode *inode, struct file *filp, 960extern int drm_agp_release(drm_device_t *dev);
926 unsigned int cmd, unsigned long arg); 961extern int drm_agp_release_ioctl(struct inode *inode, struct file *filp,
927extern int drm_agp_enable(struct inode *inode, struct file *filp, 962 unsigned int cmd, unsigned long arg);
928 unsigned int cmd, unsigned long arg); 963extern int drm_agp_enable(drm_device_t *dev, drm_agp_mode_t mode);
929extern int drm_agp_info(struct inode *inode, struct file *filp, 964extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp,
930 unsigned int cmd, unsigned long arg); 965 unsigned int cmd, unsigned long arg);
966extern int drm_agp_info(drm_device_t * dev, drm_agp_info_t *info);
967extern int drm_agp_info_ioctl(struct inode *inode, struct file *filp,
968 unsigned int cmd, unsigned long arg);
931extern int drm_agp_alloc(struct inode *inode, struct file *filp, 969extern int drm_agp_alloc(struct inode *inode, struct file *filp,
932 unsigned int cmd, unsigned long arg); 970 unsigned int cmd, unsigned long arg);
933extern int drm_agp_free(struct inode *inode, struct file *filp, 971extern int drm_agp_free(struct inode *inode, struct file *filp,
@@ -976,12 +1014,10 @@ extern int drm_ati_pcigart_cleanup(drm_device_t *dev,
976 unsigned long addr, 1014 unsigned long addr,
977 dma_addr_t bus_addr); 1015 dma_addr_t bus_addr);
978 1016
979extern void *drm_pci_alloc(drm_device_t * dev, size_t size, 1017extern drm_dma_handle_t *drm_pci_alloc(drm_device_t *dev, size_t size,
980 size_t align, dma_addr_t maxaddr, 1018 size_t align, dma_addr_t maxaddr);
981 dma_addr_t * busaddr); 1019extern void __drm_pci_free(drm_device_t *dev, drm_dma_handle_t *dmah);
982 1020extern void drm_pci_free(drm_device_t *dev, drm_dma_handle_t *dmah);
983extern void drm_pci_free(drm_device_t * dev, size_t size,
984 void *vaddr, dma_addr_t busaddr);
985 1021
986 /* sysfs support (drm_sysfs.c) */ 1022 /* sysfs support (drm_sysfs.c) */
987struct drm_sysfs_class; 1023struct drm_sysfs_class;
@@ -1025,6 +1061,19 @@ static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsig
1025 return NULL; 1061 return NULL;
1026} 1062}
1027 1063
1064static __inline__ int drm_device_is_agp(drm_device_t *dev)
1065{
1066 if ( dev->driver->device_is_agp != NULL ) {
1067 int err = (*dev->driver->device_is_agp)( dev );
1068
1069 if (err != 2) {
1070 return err;
1071 }
1072 }
1073
1074 return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP);
1075}
1076
1028static __inline__ void drm_core_dropmap(struct drm_map *map) 1077static __inline__ void drm_core_dropmap(struct drm_map *map)
1029{ 1078{
1030} 1079}
diff --git a/drivers/char/drm/drm_agpsupport.c b/drivers/char/drm/drm_agpsupport.c
index 8d94c0b5fa44..ffb4acaefe84 100644
--- a/drivers/char/drm/drm_agpsupport.c
+++ b/drivers/char/drm/drm_agpsupport.c
@@ -37,7 +37,7 @@
37#if __OS_HAS_AGP 37#if __OS_HAS_AGP
38 38
39/** 39/**
40 * AGP information ioctl. 40 * Get AGP information.
41 * 41 *
42 * \param inode device inode. 42 * \param inode device inode.
43 * \param filp file pointer. 43 * \param filp file pointer.
@@ -48,51 +48,56 @@
48 * Verifies the AGP device has been initialized and acquired and fills in the 48 * Verifies the AGP device has been initialized and acquired and fills in the
49 * drm_agp_info structure with the information in drm_agp_head::agp_info. 49 * drm_agp_info structure with the information in drm_agp_head::agp_info.
50 */ 50 */
51int drm_agp_info(struct inode *inode, struct file *filp, 51int drm_agp_info(drm_device_t *dev, drm_agp_info_t *info)
52 unsigned int cmd, unsigned long arg)
53{ 52{
54 drm_file_t *priv = filp->private_data;
55 drm_device_t *dev = priv->head->dev;
56 DRM_AGP_KERN *kern; 53 DRM_AGP_KERN *kern;
57 drm_agp_info_t info;
58 54
59 if (!dev->agp || !dev->agp->acquired) 55 if (!dev->agp || !dev->agp->acquired)
60 return -EINVAL; 56 return -EINVAL;
61 57
62 kern = &dev->agp->agp_info; 58 kern = &dev->agp->agp_info;
63 info.agp_version_major = kern->version.major; 59 info->agp_version_major = kern->version.major;
64 info.agp_version_minor = kern->version.minor; 60 info->agp_version_minor = kern->version.minor;
65 info.mode = kern->mode; 61 info->mode = kern->mode;
66 info.aperture_base = kern->aper_base; 62 info->aperture_base = kern->aper_base;
67 info.aperture_size = kern->aper_size * 1024 * 1024; 63 info->aperture_size = kern->aper_size * 1024 * 1024;
68 info.memory_allowed = kern->max_memory << PAGE_SHIFT; 64 info->memory_allowed = kern->max_memory << PAGE_SHIFT;
69 info.memory_used = kern->current_memory << PAGE_SHIFT; 65 info->memory_used = kern->current_memory << PAGE_SHIFT;
70 info.id_vendor = kern->device->vendor; 66 info->id_vendor = kern->device->vendor;
71 info.id_device = kern->device->device; 67 info->id_device = kern->device->device;
72 68
73 if (copy_to_user((drm_agp_info_t __user *)arg, &info, sizeof(info))) 69 return 0;
70}
71EXPORT_SYMBOL(drm_agp_info);
72
73int drm_agp_info_ioctl(struct inode *inode, struct file *filp,
74 unsigned int cmd, unsigned long arg)
75{
76 drm_file_t *priv = filp->private_data;
77 drm_device_t *dev = priv->head->dev;
78 drm_agp_info_t info;
79 int err;
80
81 err = drm_agp_info(dev, &info);
82 if (err)
83 return err;
84
85 if (copy_to_user((drm_agp_info_t __user *) arg, &info, sizeof(info)))
74 return -EFAULT; 86 return -EFAULT;
75 return 0; 87 return 0;
76} 88}
77 89
78/** 90/**
79 * Acquire the AGP device (ioctl). 91 * Acquire the AGP device.
80 * 92 *
81 * \param inode device inode. 93 * \param dev DRM device that is to acquire AGP
82 * \param filp file pointer.
83 * \param cmd command.
84 * \param arg user argument.
85 * \return zero on success or a negative number on failure. 94 * \return zero on success or a negative number on failure.
86 * 95 *
87 * Verifies the AGP device hasn't been acquired before and calls 96 * Verifies the AGP device hasn't been acquired before and calls
88 * agp_acquire(). 97 * \c agp_backend_acquire.
89 */ 98 */
90int drm_agp_acquire(struct inode *inode, struct file *filp, 99int drm_agp_acquire(drm_device_t *dev)
91 unsigned int cmd, unsigned long arg)
92{ 100{
93 drm_file_t *priv = filp->private_data;
94 drm_device_t *dev = priv->head->dev;
95
96 if (!dev->agp) 101 if (!dev->agp)
97 return -ENODEV; 102 return -ENODEV;
98 if (dev->agp->acquired) 103 if (dev->agp->acquired)
@@ -102,9 +107,10 @@ int drm_agp_acquire(struct inode *inode, struct file *filp,
102 dev->agp->acquired = 1; 107 dev->agp->acquired = 1;
103 return 0; 108 return 0;
104} 109}
110EXPORT_SYMBOL(drm_agp_acquire);
105 111
106/** 112/**
107 * Release the AGP device (ioctl). 113 * Acquire the AGP device (ioctl).
108 * 114 *
109 * \param inode device inode. 115 * \param inode device inode.
110 * \param filp file pointer. 116 * \param filp file pointer.
@@ -112,63 +118,80 @@ int drm_agp_acquire(struct inode *inode, struct file *filp,
112 * \param arg user argument. 118 * \param arg user argument.
113 * \return zero on success or a negative number on failure. 119 * \return zero on success or a negative number on failure.
114 * 120 *
115 * Verifies the AGP device has been acquired and calls agp_backend_release(). 121 * Verifies the AGP device hasn't been acquired before and calls
122 * \c agp_backend_acquire.
116 */ 123 */
117int drm_agp_release(struct inode *inode, struct file *filp, 124int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp,
118 unsigned int cmd, unsigned long arg) 125 unsigned int cmd, unsigned long arg)
119{ 126{
120 drm_file_t *priv = filp->private_data; 127 drm_file_t *priv = filp->private_data;
121 drm_device_t *dev = priv->head->dev; 128
129 return drm_agp_acquire( (drm_device_t *) priv->head->dev );
130}
122 131
132/**
133 * Release the AGP device.
134 *
135 * \param dev DRM device that is to release AGP
136 * \return zero on success or a negative number on failure.
137 *
138 * Verifies the AGP device has been acquired and calls \c agp_backend_release.
139 */
140int drm_agp_release(drm_device_t *dev)
141{
123 if (!dev->agp || !dev->agp->acquired) 142 if (!dev->agp || !dev->agp->acquired)
124 return -EINVAL; 143 return -EINVAL;
125 agp_backend_release(dev->agp->bridge); 144 agp_backend_release(dev->agp->bridge);
126 dev->agp->acquired = 0; 145 dev->agp->acquired = 0;
127 return 0; 146 return 0;
128
129} 147}
148EXPORT_SYMBOL(drm_agp_release);
130 149
131/** 150int drm_agp_release_ioctl(struct inode *inode, struct file *filp,
132 * Release the AGP device. 151 unsigned int cmd, unsigned long arg)
133 *
134 * Calls agp_backend_release().
135 */
136void drm_agp_do_release(drm_device_t *dev)
137{ 152{
138 agp_backend_release(dev->agp->bridge); 153 drm_file_t *priv = filp->private_data;
154 drm_device_t *dev = priv->head->dev;
155
156 return drm_agp_release(dev);
139} 157}
140 158
141/** 159/**
142 * Enable the AGP bus. 160 * Enable the AGP bus.
143 * 161 *
144 * \param inode device inode. 162 * \param dev DRM device that has previously acquired AGP.
145 * \param filp file pointer. 163 * \param mode Requested AGP mode.
146 * \param cmd command.
147 * \param arg pointer to a drm_agp_mode structure.
148 * \return zero on success or a negative number on failure. 164 * \return zero on success or a negative number on failure.
149 * 165 *
150 * Verifies the AGP device has been acquired but not enabled, and calls 166 * Verifies the AGP device has been acquired but not enabled, and calls
151 * agp_enable(). 167 * \c agp_enable.
152 */ 168 */
153int drm_agp_enable(struct inode *inode, struct file *filp, 169int drm_agp_enable(drm_device_t *dev, drm_agp_mode_t mode)
154 unsigned int cmd, unsigned long arg)
155{ 170{
156 drm_file_t *priv = filp->private_data;
157 drm_device_t *dev = priv->head->dev;
158 drm_agp_mode_t mode;
159
160 if (!dev->agp || !dev->agp->acquired) 171 if (!dev->agp || !dev->agp->acquired)
161 return -EINVAL; 172 return -EINVAL;
162 173
163 if (copy_from_user(&mode, (drm_agp_mode_t __user *)arg, sizeof(mode)))
164 return -EFAULT;
165
166 dev->agp->mode = mode.mode; 174 dev->agp->mode = mode.mode;
167 agp_enable(dev->agp->bridge, mode.mode); 175 agp_enable(dev->agp->bridge, mode.mode);
168 dev->agp->base = dev->agp->agp_info.aper_base; 176 dev->agp->base = dev->agp->agp_info.aper_base;
169 dev->agp->enabled = 1; 177 dev->agp->enabled = 1;
170 return 0; 178 return 0;
171} 179}
180EXPORT_SYMBOL(drm_agp_enable);
181
182int drm_agp_enable_ioctl(struct inode *inode, struct file *filp,
183 unsigned int cmd, unsigned long arg)
184{
185 drm_file_t *priv = filp->private_data;
186 drm_device_t *dev = priv->head->dev;
187 drm_agp_mode_t mode;
188
189
190 if (copy_from_user(&mode, (drm_agp_mode_t __user *) arg, sizeof(mode)))
191 return -EFAULT;
192
193 return drm_agp_enable(dev, mode);
194}
172 195
173/** 196/**
174 * Allocate AGP memory. 197 * Allocate AGP memory.
@@ -206,7 +229,7 @@ int drm_agp_alloc(struct inode *inode, struct file *filp,
206 pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; 229 pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE;
207 type = (u32) request.type; 230 type = (u32) request.type;
208 231
209 if (!(memory = drm_alloc_agp(dev->agp->bridge, pages, type))) { 232 if (!(memory = drm_alloc_agp(dev, pages, type))) {
210 drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); 233 drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
211 return -ENOMEM; 234 return -ENOMEM;
212 } 235 }
@@ -436,6 +459,7 @@ int drm_agp_bind_memory(DRM_AGP_MEM *handle, off_t start)
436 return -EINVAL; 459 return -EINVAL;
437 return agp_bind_memory(handle, start); 460 return agp_bind_memory(handle, start);
438} 461}
462EXPORT_SYMBOL(drm_agp_bind_memory);
439 463
440/** Calls agp_unbind_memory() */ 464/** Calls agp_unbind_memory() */
441int drm_agp_unbind_memory(DRM_AGP_MEM *handle) 465int drm_agp_unbind_memory(DRM_AGP_MEM *handle)
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index 4c6191d231b8..fcc8d244f46f 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -36,29 +36,33 @@
36#include <linux/vmalloc.h> 36#include <linux/vmalloc.h>
37#include "drmP.h" 37#include "drmP.h"
38 38
39/** 39unsigned long drm_get_resource_start(drm_device_t *dev, unsigned int resource)
40 * Compute size order. Returns the exponent of the smaller power of two which
41 * is greater or equal to given number.
42 *
43 * \param size size.
44 * \return order.
45 *
46 * \todo Can be made faster.
47 */
48int drm_order( unsigned long size )
49{ 40{
50 int order; 41 return pci_resource_start(dev->pdev, resource);
51 unsigned long tmp; 42}
43EXPORT_SYMBOL(drm_get_resource_start);
52 44
53 for (order = 0, tmp = size >> 1; tmp; tmp >>= 1, order++) 45unsigned long drm_get_resource_len(drm_device_t *dev, unsigned int resource)
54 ; 46{
47 return pci_resource_len(dev->pdev, resource);
48}
49EXPORT_SYMBOL(drm_get_resource_len);
55 50
56 if (size & (size - 1)) 51static drm_local_map_t *drm_find_matching_map(drm_device_t *dev,
57 ++order; 52 drm_local_map_t *map)
53{
54 struct list_head *list;
58 55
59 return order; 56 list_for_each(list, &dev->maplist->head) {
57 drm_map_list_t *entry = list_entry(list, drm_map_list_t, head);
58 if (entry->map && map->type == entry->map->type &&
59 entry->map->offset == map->offset) {
60 return entry->map;
61 }
62 }
63
64 return NULL;
60} 65}
61EXPORT_SYMBOL(drm_order);
62 66
63#ifdef CONFIG_COMPAT 67#ifdef CONFIG_COMPAT
64/* 68/*
@@ -82,25 +86,23 @@ static unsigned int map32_handle = 0x10000000;
82 * type. Adds the map to the map list drm_device::maplist. Adds MTRR's where 86 * type. Adds the map to the map list drm_device::maplist. Adds MTRR's where
83 * applicable and if supported by the kernel. 87 * applicable and if supported by the kernel.
84 */ 88 */
85int drm_addmap( struct inode *inode, struct file *filp, 89int drm_addmap(drm_device_t * dev, unsigned int offset,
86 unsigned int cmd, unsigned long arg ) 90 unsigned int size, drm_map_type_t type,
91 drm_map_flags_t flags, drm_local_map_t ** map_ptr)
87{ 92{
88 drm_file_t *priv = filp->private_data;
89 drm_device_t *dev = priv->head->dev;
90 drm_map_t *map; 93 drm_map_t *map;
91 drm_map_t __user *argp = (void __user *)arg;
92 drm_map_list_t *list; 94 drm_map_list_t *list;
93 95 drm_dma_handle_t *dmah;
94 if ( !(filp->f_mode & 3) ) return -EACCES; /* Require read/write */ 96 drm_local_map_t *found_map;
95 97
96 map = drm_alloc( sizeof(*map), DRM_MEM_MAPS ); 98 map = drm_alloc( sizeof(*map), DRM_MEM_MAPS );
97 if ( !map ) 99 if ( !map )
98 return -ENOMEM; 100 return -ENOMEM;
99 101
100 if ( copy_from_user( map, argp, sizeof(*map) ) ) { 102 map->offset = offset;
101 drm_free( map, sizeof(*map), DRM_MEM_MAPS ); 103 map->size = size;
102 return -EFAULT; 104 map->flags = flags;
103 } 105 map->type = type;
104 106
105 /* Only allow shared memory to be removable since we only keep enough 107 /* Only allow shared memory to be removable since we only keep enough
106 * book keeping information about shared memory to allow for removal 108 * book keeping information about shared memory to allow for removal
@@ -132,6 +134,24 @@ int drm_addmap( struct inode *inode, struct file *filp,
132#ifdef __alpha__ 134#ifdef __alpha__
133 map->offset += dev->hose->mem_space->start; 135 map->offset += dev->hose->mem_space->start;
134#endif 136#endif
137 /* Some drivers preinitialize some maps, without the X Server
138 * needing to be aware of it. Therefore, we just return success
139 * when the server tries to create a duplicate map.
140 */
141 found_map = drm_find_matching_map(dev, map);
142 if (found_map != NULL) {
143 if (found_map->size != map->size) {
144 DRM_DEBUG("Matching maps of type %d with "
145 "mismatched sizes, (%ld vs %ld)\n",
146 map->type, map->size, found_map->size);
147 found_map->size = map->size;
148 }
149
150 drm_free(map, sizeof(*map), DRM_MEM_MAPS);
151 *map_ptr = found_map;
152 return 0;
153 }
154
135 if (drm_core_has_MTRR(dev)) { 155 if (drm_core_has_MTRR(dev)) {
136 if ( map->type == _DRM_FRAME_BUFFER || 156 if ( map->type == _DRM_FRAME_BUFFER ||
137 (map->flags & _DRM_WRITE_COMBINING) ) { 157 (map->flags & _DRM_WRITE_COMBINING) ) {
@@ -180,7 +200,20 @@ int drm_addmap( struct inode *inode, struct file *filp,
180 } 200 }
181 map->offset += dev->sg->handle; 201 map->offset += dev->sg->handle;
182 break; 202 break;
183 203 case _DRM_CONSISTENT:
204 /* dma_addr_t is 64bit on i386 with CONFIG_HIGHMEM64G,
205 * As we're limiting the address to 2^32-1 (or less),
206 * casting it down to 32 bits is no problem, but we
207 * need to point to a 64bit variable first. */
208 dmah = drm_pci_alloc(dev, map->size, map->size, 0xffffffffUL);
209 if (!dmah) {
210 drm_free(map, sizeof(*map), DRM_MEM_MAPS);
211 return -ENOMEM;
212 }
213 map->handle = dmah->vaddr;
214 map->offset = (unsigned long)dmah->busaddr;
215 kfree(dmah);
216 break;
184 default: 217 default:
185 drm_free( map, sizeof(*map), DRM_MEM_MAPS ); 218 drm_free( map, sizeof(*map), DRM_MEM_MAPS );
186 return -EINVAL; 219 return -EINVAL;
@@ -204,10 +237,42 @@ int drm_addmap( struct inode *inode, struct file *filp,
204#endif 237#endif
205 up(&dev->struct_sem); 238 up(&dev->struct_sem);
206 239
207 if ( copy_to_user( argp, map, sizeof(*map) ) ) 240 *map_ptr = map;
241 return 0;
242}
243EXPORT_SYMBOL(drm_addmap);
244
245int drm_addmap_ioctl(struct inode *inode, struct file *filp,
246 unsigned int cmd, unsigned long arg)
247{
248 drm_file_t *priv = filp->private_data;
249 drm_device_t *dev = priv->head->dev;
250 drm_map_t map;
251 drm_map_t *map_ptr;
252 drm_map_t __user *argp = (void __user *)arg;
253 int err;
254
255 if (!(filp->f_mode & 3))
256 return -EACCES; /* Require read/write */
257
258 if (copy_from_user(& map, argp, sizeof(map))) {
208 return -EFAULT; 259 return -EFAULT;
209 if (copy_to_user(&argp->handle, &map->offset, sizeof(map->offset))) 260 }
261
262 err = drm_addmap( dev, map.offset, map.size, map.type, map.flags,
263 &map_ptr );
264
265 if (err) {
266 return err;
267 }
268
269 if (copy_to_user(argp, map_ptr, sizeof(*map_ptr)))
210 return -EFAULT; 270 return -EFAULT;
271 if (map_ptr->type != _DRM_SHM) {
272 if (copy_to_user(&argp->handle, &map_ptr->offset,
273 sizeof(map_ptr->offset)))
274 return -EFAULT;
275 }
211 return 0; 276 return 0;
212} 277}
213 278
@@ -226,81 +291,138 @@ int drm_addmap( struct inode *inode, struct file *filp,
226 * its being used, and free any associate resource (such as MTRR's) if it's not 291 * its being used, and free any associate resource (such as MTRR's) if it's not
227 * being on use. 292 * being on use.
228 * 293 *
229 * \sa addmap(). 294 * \sa drm_addmap
230 */ 295 */
231int drm_rmmap(struct inode *inode, struct file *filp, 296int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map)
232 unsigned int cmd, unsigned long arg)
233{ 297{
234 drm_file_t *priv = filp->private_data;
235 drm_device_t *dev = priv->head->dev;
236 struct list_head *list; 298 struct list_head *list;
237 drm_map_list_t *r_list = NULL; 299 drm_map_list_t *r_list = NULL;
238 drm_vma_entry_t *pt, *prev; 300 drm_dma_handle_t dmah;
239 drm_map_t *map; 301
302 /* Find the list entry for the map and remove it */
303 list_for_each(list, &dev->maplist->head) {
304 r_list = list_entry(list, drm_map_list_t, head);
305
306 if (r_list->map == map) {
307 list_del(list);
308 drm_free(list, sizeof(*list), DRM_MEM_MAPS);
309 break;
310 }
311 }
312
313 /* List has wrapped around to the head pointer, or it's empty and we
314 * didn't find anything.
315 */
316 if (list == (&dev->maplist->head)) {
317 return -EINVAL;
318 }
319
320 switch (map->type) {
321 case _DRM_REGISTERS:
322 drm_ioremapfree(map->handle, map->size, dev);
323 /* FALLTHROUGH */
324 case _DRM_FRAME_BUFFER:
325 if (drm_core_has_MTRR(dev) && map->mtrr >= 0) {
326 int retcode;
327 retcode = mtrr_del(map->mtrr, map->offset,
328 map->size);
329 DRM_DEBUG ("mtrr_del=%d\n", retcode);
330 }
331 break;
332 case _DRM_SHM:
333 vfree(map->handle);
334 break;
335 case _DRM_AGP:
336 case _DRM_SCATTER_GATHER:
337 break;
338 case _DRM_CONSISTENT:
339 dmah.vaddr = map->handle;
340 dmah.busaddr = map->offset;
341 dmah.size = map->size;
342 __drm_pci_free(dev, &dmah);
343 break;
344 }
345 drm_free(map, sizeof(*map), DRM_MEM_MAPS);
346
347 return 0;
348}
349EXPORT_SYMBOL(drm_rmmap_locked);
350
351int drm_rmmap(drm_device_t *dev, drm_local_map_t *map)
352{
353 int ret;
354
355 down(&dev->struct_sem);
356 ret = drm_rmmap_locked(dev, map);
357 up(&dev->struct_sem);
358
359 return ret;
360}
361EXPORT_SYMBOL(drm_rmmap);
362
363/* The rmmap ioctl appears to be unnecessary. All mappings are torn down on
364 * the last close of the device, and this is necessary for cleanup when things
365 * exit uncleanly. Therefore, having userland manually remove mappings seems
366 * like a pointless exercise since they're going away anyway.
367 *
368 * One use case might be after addmap is allowed for normal users for SHM and
369 * gets used by drivers that the server doesn't need to care about. This seems
370 * unlikely.
371 */
372int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
373 unsigned int cmd, unsigned long arg)
374{
375 drm_file_t *priv = filp->private_data;
376 drm_device_t *dev = priv->head->dev;
240 drm_map_t request; 377 drm_map_t request;
241 int found_maps = 0; 378 drm_local_map_t *map = NULL;
379 struct list_head *list;
380 int ret;
242 381
243 if (copy_from_user(&request, (drm_map_t __user *)arg, 382 if (copy_from_user(&request, (drm_map_t __user *)arg, sizeof(request))) {
244 sizeof(request))) {
245 return -EFAULT; 383 return -EFAULT;
246 } 384 }
247 385
248 down(&dev->struct_sem); 386 down(&dev->struct_sem);
249 list = &dev->maplist->head;
250 list_for_each(list, &dev->maplist->head) { 387 list_for_each(list, &dev->maplist->head) {
251 r_list = list_entry(list, drm_map_list_t, head); 388 drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head);
252 389
253 if(r_list->map && 390 if (r_list->map &&
254 r_list->map->offset == (unsigned long) request.handle && 391 r_list->map->handle == request.handle &&
255 r_list->map->flags & _DRM_REMOVABLE) break; 392 r_list->map->flags & _DRM_REMOVABLE) {
393 map = r_list->map;
394 break;
395 }
256 } 396 }
257 397
258 /* List has wrapped around to the head pointer, or its empty we didn't 398 /* List has wrapped around to the head pointer, or its empty we didn't
259 * find anything. 399 * find anything.
260 */ 400 */
261 if(list == (&dev->maplist->head)) { 401 if (list == (&dev->maplist->head)) {
262 up(&dev->struct_sem); 402 up(&dev->struct_sem);
263 return -EINVAL; 403 return -EINVAL;
264 } 404 }
265 map = r_list->map;
266 list_del(list);
267 drm_free(list, sizeof(*list), DRM_MEM_MAPS);
268 405
269 for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { 406 if (!map)
270 if (pt->vma->vm_private_data == map) found_maps++; 407 return -EINVAL;
271 }
272 408
273 if(!found_maps) { 409 /* Register and framebuffer maps are permanent */
274 switch (map->type) { 410 if ((map->type == _DRM_REGISTERS) || (map->type == _DRM_FRAME_BUFFER)) {
275 case _DRM_REGISTERS: 411 up(&dev->struct_sem);
276 case _DRM_FRAME_BUFFER: 412 return 0;
277 if (drm_core_has_MTRR(dev)) {
278 if (map->mtrr >= 0) {
279 int retcode;
280 retcode = mtrr_del(map->mtrr,
281 map->offset,
282 map->size);
283 DRM_DEBUG("mtrr_del = %d\n", retcode);
284 }
285 }
286 drm_ioremapfree(map->handle, map->size, dev);
287 break;
288 case _DRM_SHM:
289 vfree(map->handle);
290 break;
291 case _DRM_AGP:
292 case _DRM_SCATTER_GATHER:
293 break;
294 }
295 drm_free(map, sizeof(*map), DRM_MEM_MAPS);
296 } 413 }
414
415 ret = drm_rmmap_locked(dev, map);
416
297 up(&dev->struct_sem); 417 up(&dev->struct_sem);
298 return 0; 418
419 return ret;
299} 420}
300 421
301/** 422/**
302 * Cleanup after an error on one of the addbufs() functions. 423 * Cleanup after an error on one of the addbufs() functions.
303 * 424 *
425 * \param dev DRM device.
304 * \param entry buffer entry where the error occurred. 426 * \param entry buffer entry where the error occurred.
305 * 427 *
306 * Frees any pages and buffers associated with the given entry. 428 * Frees any pages and buffers associated with the given entry.
@@ -344,25 +466,19 @@ static void drm_cleanup_buf_error(drm_device_t *dev, drm_buf_entry_t *entry)
344 466
345#if __OS_HAS_AGP 467#if __OS_HAS_AGP
346/** 468/**
347 * Add AGP buffers for DMA transfers (ioctl). 469 * Add AGP buffers for DMA transfers.
348 * 470 *
349 * \param inode device inode. 471 * \param dev drm_device_t to which the buffers are to be added.
350 * \param filp file pointer. 472 * \param request pointer to a drm_buf_desc_t describing the request.
351 * \param cmd command.
352 * \param arg pointer to a drm_buf_desc_t request.
353 * \return zero on success or a negative number on failure. 473 * \return zero on success or a negative number on failure.
354 * 474 *
355 * After some sanity checks creates a drm_buf structure for each buffer and 475 * After some sanity checks creates a drm_buf structure for each buffer and
356 * reallocates the buffer list of the same size order to accommodate the new 476 * reallocates the buffer list of the same size order to accommodate the new
357 * buffers. 477 * buffers.
358 */ 478 */
359static int drm_addbufs_agp( struct inode *inode, struct file *filp, 479int drm_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request)
360 unsigned int cmd, unsigned long arg )
361{ 480{
362 drm_file_t *priv = filp->private_data;
363 drm_device_t *dev = priv->head->dev;
364 drm_device_dma_t *dma = dev->dma; 481 drm_device_dma_t *dma = dev->dma;
365 drm_buf_desc_t request;
366 drm_buf_entry_t *entry; 482 drm_buf_entry_t *entry;
367 drm_buf_t *buf; 483 drm_buf_t *buf;
368 unsigned long offset; 484 unsigned long offset;
@@ -376,25 +492,20 @@ static int drm_addbufs_agp( struct inode *inode, struct file *filp,
376 int byte_count; 492 int byte_count;
377 int i; 493 int i;
378 drm_buf_t **temp_buflist; 494 drm_buf_t **temp_buflist;
379 drm_buf_desc_t __user *argp = (void __user *)arg;
380 495
381 if ( !dma ) return -EINVAL; 496 if ( !dma ) return -EINVAL;
382 497
383 if ( copy_from_user( &request, argp, 498 count = request->count;
384 sizeof(request) ) ) 499 order = drm_order(request->size);
385 return -EFAULT;
386
387 count = request.count;
388 order = drm_order( request.size );
389 size = 1 << order; 500 size = 1 << order;
390 501
391 alignment = (request.flags & _DRM_PAGE_ALIGN) 502 alignment = (request->flags & _DRM_PAGE_ALIGN)
392 ? PAGE_ALIGN(size) : size; 503 ? PAGE_ALIGN(size) : size;
393 page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; 504 page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
394 total = PAGE_SIZE << page_order; 505 total = PAGE_SIZE << page_order;
395 506
396 byte_count = 0; 507 byte_count = 0;
397 agp_offset = dev->agp->base + request.agp_start; 508 agp_offset = dev->agp->base + request->agp_start;
398 509
399 DRM_DEBUG( "count: %d\n", count ); 510 DRM_DEBUG( "count: %d\n", count );
400 DRM_DEBUG( "order: %d\n", order ); 511 DRM_DEBUG( "order: %d\n", order );
@@ -508,26 +619,20 @@ static int drm_addbufs_agp( struct inode *inode, struct file *filp,
508 619
509 up( &dev->struct_sem ); 620 up( &dev->struct_sem );
510 621
511 request.count = entry->buf_count; 622 request->count = entry->buf_count;
512 request.size = size; 623 request->size = size;
513
514 if ( copy_to_user( argp, &request, sizeof(request) ) )
515 return -EFAULT;
516 624
517 dma->flags = _DRM_DMA_USE_AGP; 625 dma->flags = _DRM_DMA_USE_AGP;
518 626
519 atomic_dec( &dev->buf_alloc ); 627 atomic_dec( &dev->buf_alloc );
520 return 0; 628 return 0;
521} 629}
630EXPORT_SYMBOL(drm_addbufs_agp);
522#endif /* __OS_HAS_AGP */ 631#endif /* __OS_HAS_AGP */
523 632
524static int drm_addbufs_pci( struct inode *inode, struct file *filp, 633int drm_addbufs_pci(drm_device_t *dev, drm_buf_desc_t *request)
525 unsigned int cmd, unsigned long arg )
526{ 634{
527 drm_file_t *priv = filp->private_data;
528 drm_device_t *dev = priv->head->dev;
529 drm_device_dma_t *dma = dev->dma; 635 drm_device_dma_t *dma = dev->dma;
530 drm_buf_desc_t request;
531 int count; 636 int count;
532 int order; 637 int order;
533 int size; 638 int size;
@@ -543,26 +648,22 @@ static int drm_addbufs_pci( struct inode *inode, struct file *filp,
543 int page_count; 648 int page_count;
544 unsigned long *temp_pagelist; 649 unsigned long *temp_pagelist;
545 drm_buf_t **temp_buflist; 650 drm_buf_t **temp_buflist;
546 drm_buf_desc_t __user *argp = (void __user *)arg;
547 651
548 if (!drm_core_check_feature(dev, DRIVER_PCI_DMA)) return -EINVAL; 652 if (!drm_core_check_feature(dev, DRIVER_PCI_DMA)) return -EINVAL;
549 if ( !dma ) return -EINVAL; 653 if ( !dma ) return -EINVAL;
550 654
551 if ( copy_from_user( &request, argp, sizeof(request) ) ) 655 count = request->count;
552 return -EFAULT; 656 order = drm_order(request->size);
553
554 count = request.count;
555 order = drm_order( request.size );
556 size = 1 << order; 657 size = 1 << order;
557 658
558 DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n", 659 DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n",
559 request.count, request.size, size, 660 request->count, request->size, size,
560 order, dev->queue_count ); 661 order, dev->queue_count );
561 662
562 if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; 663 if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL;
563 if ( dev->queue_count ) return -EBUSY; /* Not while in use */ 664 if ( dev->queue_count ) return -EBUSY; /* Not while in use */
564 665
565 alignment = (request.flags & _DRM_PAGE_ALIGN) 666 alignment = (request->flags & _DRM_PAGE_ALIGN)
566 ? PAGE_ALIGN(size) : size; 667 ? PAGE_ALIGN(size) : size;
567 page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; 668 page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
568 total = PAGE_SIZE << page_order; 669 total = PAGE_SIZE << page_order;
@@ -740,25 +841,18 @@ static int drm_addbufs_pci( struct inode *inode, struct file *filp,
740 841
741 up( &dev->struct_sem ); 842 up( &dev->struct_sem );
742 843
743 request.count = entry->buf_count; 844 request->count = entry->buf_count;
744 request.size = size; 845 request->size = size;
745
746 if ( copy_to_user( argp, &request, sizeof(request) ) )
747 return -EFAULT;
748 846
749 atomic_dec( &dev->buf_alloc ); 847 atomic_dec( &dev->buf_alloc );
750 return 0; 848 return 0;
751 849
752} 850}
851EXPORT_SYMBOL(drm_addbufs_pci);
753 852
754static int drm_addbufs_sg( struct inode *inode, struct file *filp, 853static int drm_addbufs_sg(drm_device_t *dev, drm_buf_desc_t *request)
755 unsigned int cmd, unsigned long arg )
756{ 854{
757 drm_file_t *priv = filp->private_data;
758 drm_device_t *dev = priv->head->dev;
759 drm_device_dma_t *dma = dev->dma; 855 drm_device_dma_t *dma = dev->dma;
760 drm_buf_desc_t __user *argp = (void __user *)arg;
761 drm_buf_desc_t request;
762 drm_buf_entry_t *entry; 856 drm_buf_entry_t *entry;
763 drm_buf_t *buf; 857 drm_buf_t *buf;
764 unsigned long offset; 858 unsigned long offset;
@@ -777,20 +871,17 @@ static int drm_addbufs_sg( struct inode *inode, struct file *filp,
777 871
778 if ( !dma ) return -EINVAL; 872 if ( !dma ) return -EINVAL;
779 873
780 if ( copy_from_user( &request, argp, sizeof(request) ) ) 874 count = request->count;
781 return -EFAULT; 875 order = drm_order(request->size);
782
783 count = request.count;
784 order = drm_order( request.size );
785 size = 1 << order; 876 size = 1 << order;
786 877
787 alignment = (request.flags & _DRM_PAGE_ALIGN) 878 alignment = (request->flags & _DRM_PAGE_ALIGN)
788 ? PAGE_ALIGN(size) : size; 879 ? PAGE_ALIGN(size) : size;
789 page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; 880 page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
790 total = PAGE_SIZE << page_order; 881 total = PAGE_SIZE << page_order;
791 882
792 byte_count = 0; 883 byte_count = 0;
793 agp_offset = request.agp_start; 884 agp_offset = request->agp_start;
794 885
795 DRM_DEBUG( "count: %d\n", count ); 886 DRM_DEBUG( "count: %d\n", count );
796 DRM_DEBUG( "order: %d\n", order ); 887 DRM_DEBUG( "order: %d\n", order );
@@ -905,11 +996,8 @@ static int drm_addbufs_sg( struct inode *inode, struct file *filp,
905 996
906 up( &dev->struct_sem ); 997 up( &dev->struct_sem );
907 998
908 request.count = entry->buf_count; 999 request->count = entry->buf_count;
909 request.size = size; 1000 request->size = size;
910
911 if ( copy_to_user( argp, &request, sizeof(request) ) )
912 return -EFAULT;
913 1001
914 dma->flags = _DRM_DMA_USE_SG; 1002 dma->flags = _DRM_DMA_USE_SG;
915 1003
@@ -917,6 +1005,161 @@ static int drm_addbufs_sg( struct inode *inode, struct file *filp,
917 return 0; 1005 return 0;
918} 1006}
919 1007
1008int drm_addbufs_fb(drm_device_t *dev, drm_buf_desc_t *request)
1009{
1010 drm_device_dma_t *dma = dev->dma;
1011 drm_buf_entry_t *entry;
1012 drm_buf_t *buf;
1013 unsigned long offset;
1014 unsigned long agp_offset;
1015 int count;
1016 int order;
1017 int size;
1018 int alignment;
1019 int page_order;
1020 int total;
1021 int byte_count;
1022 int i;
1023 drm_buf_t **temp_buflist;
1024
1025 if (!drm_core_check_feature(dev, DRIVER_FB_DMA))
1026 return -EINVAL;
1027
1028 if (!dma)
1029 return -EINVAL;
1030
1031 count = request->count;
1032 order = drm_order(request->size);
1033 size = 1 << order;
1034
1035 alignment = (request->flags & _DRM_PAGE_ALIGN)
1036 ? PAGE_ALIGN(size) : size;
1037 page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
1038 total = PAGE_SIZE << page_order;
1039
1040 byte_count = 0;
1041 agp_offset = request->agp_start;
1042
1043 DRM_DEBUG("count: %d\n", count);
1044 DRM_DEBUG("order: %d\n", order);
1045 DRM_DEBUG("size: %d\n", size);
1046 DRM_DEBUG("agp_offset: %lu\n", agp_offset);
1047 DRM_DEBUG("alignment: %d\n", alignment);
1048 DRM_DEBUG("page_order: %d\n", page_order);
1049 DRM_DEBUG("total: %d\n", total);
1050
1051 if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
1052 return -EINVAL;
1053 if (dev->queue_count)
1054 return -EBUSY; /* Not while in use */
1055
1056 spin_lock(&dev->count_lock);
1057 if (dev->buf_use) {
1058 spin_unlock(&dev->count_lock);
1059 return -EBUSY;
1060 }
1061 atomic_inc(&dev->buf_alloc);
1062 spin_unlock(&dev->count_lock);
1063
1064 down(&dev->struct_sem);
1065 entry = &dma->bufs[order];
1066 if (entry->buf_count) {
1067 up(&dev->struct_sem);
1068 atomic_dec(&dev->buf_alloc);
1069 return -ENOMEM; /* May only call once for each order */
1070 }
1071
1072 if (count < 0 || count > 4096) {
1073 up(&dev->struct_sem);
1074 atomic_dec(&dev->buf_alloc);
1075 return -EINVAL;
1076 }
1077
1078 entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
1079 DRM_MEM_BUFS);
1080 if (!entry->buflist) {
1081 up(&dev->struct_sem);
1082 atomic_dec(&dev->buf_alloc);
1083 return -ENOMEM;
1084 }
1085 memset(entry->buflist, 0, count * sizeof(*entry->buflist));
1086
1087 entry->buf_size = size;
1088 entry->page_order = page_order;
1089
1090 offset = 0;
1091
1092 while (entry->buf_count < count) {
1093 buf = &entry->buflist[entry->buf_count];
1094 buf->idx = dma->buf_count + entry->buf_count;
1095 buf->total = alignment;
1096 buf->order = order;
1097 buf->used = 0;
1098
1099 buf->offset = (dma->byte_count + offset);
1100 buf->bus_address = agp_offset + offset;
1101 buf->address = (void *)(agp_offset + offset);
1102 buf->next = NULL;
1103 buf->waiting = 0;
1104 buf->pending = 0;
1105 init_waitqueue_head(&buf->dma_wait);
1106 buf->filp = NULL;
1107
1108 buf->dev_priv_size = dev->driver->dev_priv_size;
1109 buf->dev_private = drm_alloc(buf->dev_priv_size, DRM_MEM_BUFS);
1110 if (!buf->dev_private) {
1111 /* Set count correctly so we free the proper amount. */
1112 entry->buf_count = count;
1113 drm_cleanup_buf_error(dev, entry);
1114 up(&dev->struct_sem);
1115 atomic_dec(&dev->buf_alloc);
1116 return -ENOMEM;
1117 }
1118 memset(buf->dev_private, 0, buf->dev_priv_size);
1119
1120 DRM_DEBUG("buffer %d @ %p\n", entry->buf_count, buf->address);
1121
1122 offset += alignment;
1123 entry->buf_count++;
1124 byte_count += PAGE_SIZE << page_order;
1125 }
1126
1127 DRM_DEBUG("byte_count: %d\n", byte_count);
1128
1129 temp_buflist = drm_realloc(dma->buflist,
1130 dma->buf_count * sizeof(*dma->buflist),
1131 (dma->buf_count + entry->buf_count)
1132 * sizeof(*dma->buflist), DRM_MEM_BUFS);
1133 if (!temp_buflist) {
1134 /* Free the entry because it isn't valid */
1135 drm_cleanup_buf_error(dev, entry);
1136 up(&dev->struct_sem);
1137 atomic_dec(&dev->buf_alloc);
1138 return -ENOMEM;
1139 }
1140 dma->buflist = temp_buflist;
1141
1142 for (i = 0; i < entry->buf_count; i++) {
1143 dma->buflist[i + dma->buf_count] = &entry->buflist[i];
1144 }
1145
1146 dma->buf_count += entry->buf_count;
1147 dma->byte_count += byte_count;
1148
1149 DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
1150 DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count);
1151
1152 up(&dev->struct_sem);
1153
1154 request->count = entry->buf_count;
1155 request->size = size;
1156
1157 dma->flags = _DRM_DMA_USE_FB;
1158
1159 atomic_dec(&dev->buf_alloc);
1160 return 0;
1161}
1162
920/** 1163/**
921 * Add buffers for DMA transfers (ioctl). 1164 * Add buffers for DMA transfers (ioctl).
922 * 1165 *
@@ -937,6 +1180,7 @@ int drm_addbufs( struct inode *inode, struct file *filp,
937 drm_buf_desc_t request; 1180 drm_buf_desc_t request;
938 drm_file_t *priv = filp->private_data; 1181 drm_file_t *priv = filp->private_data;
939 drm_device_t *dev = priv->head->dev; 1182 drm_device_t *dev = priv->head->dev;
1183 int ret;
940 1184
941 if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) 1185 if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
942 return -EINVAL; 1186 return -EINVAL;
@@ -947,13 +1191,23 @@ int drm_addbufs( struct inode *inode, struct file *filp,
947 1191
948#if __OS_HAS_AGP 1192#if __OS_HAS_AGP
949 if ( request.flags & _DRM_AGP_BUFFER ) 1193 if ( request.flags & _DRM_AGP_BUFFER )
950 return drm_addbufs_agp( inode, filp, cmd, arg ); 1194 ret=drm_addbufs_agp(dev, &request);
951 else 1195 else
952#endif 1196#endif
953 if ( request.flags & _DRM_SG_BUFFER ) 1197 if ( request.flags & _DRM_SG_BUFFER )
954 return drm_addbufs_sg( inode, filp, cmd, arg ); 1198 ret=drm_addbufs_sg(dev, &request);
1199 else if ( request.flags & _DRM_FB_BUFFER)
1200 ret=drm_addbufs_fb(dev, &request);
955 else 1201 else
956 return drm_addbufs_pci( inode, filp, cmd, arg ); 1202 ret=drm_addbufs_pci(dev, &request);
1203
1204 if (ret==0) {
1205 if (copy_to_user((void __user *)arg, &request,
1206 sizeof(request))) {
1207 ret = -EFAULT;
1208 }
1209 }
1210 return ret;
957} 1211}
958 1212
959 1213
@@ -1196,8 +1450,11 @@ int drm_mapbufs( struct inode *inode, struct file *filp,
1196 return -EFAULT; 1450 return -EFAULT;
1197 1451
1198 if ( request.count >= dma->buf_count ) { 1452 if ( request.count >= dma->buf_count ) {
1199 if ((drm_core_has_AGP(dev) && (dma->flags & _DRM_DMA_USE_AGP)) || 1453 if ((drm_core_has_AGP(dev) && (dma->flags & _DRM_DMA_USE_AGP))
1200 (drm_core_check_feature(dev, DRIVER_SG) && (dma->flags & _DRM_DMA_USE_SG)) ) { 1454 || (drm_core_check_feature(dev, DRIVER_SG)
1455 && (dma->flags & _DRM_DMA_USE_SG))
1456 || (drm_core_check_feature(dev, DRIVER_FB_DMA)
1457 && (dma->flags & _DRM_DMA_USE_FB))) {
1201 drm_map_t *map = dev->agp_buffer_map; 1458 drm_map_t *map = dev->agp_buffer_map;
1202 1459
1203 if ( !map ) { 1460 if ( !map ) {
@@ -1279,3 +1536,26 @@ int drm_mapbufs( struct inode *inode, struct file *filp,
1279 return retcode; 1536 return retcode;
1280} 1537}
1281 1538
1539/**
1540 * Compute size order. Returns the exponent of the smaller power of two which
1541 * is greater or equal to given number.
1542 *
1543 * \param size size.
1544 * \return order.
1545 *
1546 * \todo Can be made faster.
1547 */
1548int drm_order( unsigned long size )
1549{
1550 int order;
1551 unsigned long tmp;
1552
1553 for (order = 0, tmp = size >> 1; tmp; tmp >>= 1, order++)
1554 ;
1555
1556 if (size & (size - 1))
1557 ++order;
1558
1559 return order;
1560}
1561EXPORT_SYMBOL(drm_order);
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
index 3333c250c4d9..6ba48f346fcf 100644
--- a/drivers/char/drm/drm_drv.c
+++ b/drivers/char/drm/drm_drv.c
@@ -70,8 +70,8 @@ static drm_ioctl_desc_t drm_ioctls[] = {
70 [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_noop, 1, 1 }, 70 [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_noop, 1, 1 },
71 [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, 71 [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 },
72 72
73 [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, 73 [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap_ioctl,1, 1 },
74 [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap, 1, 0 }, 74 [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap_ioctl, 1, 0 },
75 75
76 [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { drm_setsareactx, 1, 1 }, 76 [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { drm_setsareactx, 1, 1 },
77 [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { drm_getsareactx, 1, 0 }, 77 [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { drm_getsareactx, 1, 0 },
@@ -102,10 +102,10 @@ static drm_ioctl_desc_t drm_ioctls[] = {
102 [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { drm_control, 1, 1 }, 102 [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { drm_control, 1, 1 },
103 103
104#if __OS_HAS_AGP 104#if __OS_HAS_AGP
105 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, 105 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire_ioctl, 1, 1 },
106 [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, 106 [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release_ioctl, 1, 1 },
107 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, 107 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable_ioctl, 1, 1 },
108 [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, 108 [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info_ioctl, 1, 0 },
109 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, 109 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 },
110 [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, 110 [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 },
111 [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, 111 [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 },
@@ -127,14 +127,12 @@ static drm_ioctl_desc_t drm_ioctls[] = {
127 * 127 *
128 * Frees every resource in \p dev. 128 * Frees every resource in \p dev.
129 * 129 *
130 * \sa drm_device and setup(). 130 * \sa drm_device
131 */ 131 */
132int drm_takedown( drm_device_t *dev ) 132int drm_takedown( drm_device_t *dev )
133{ 133{
134 drm_magic_entry_t *pt, *next; 134 drm_magic_entry_t *pt, *next;
135 drm_map_t *map;
136 drm_map_list_t *r_list; 135 drm_map_list_t *r_list;
137 struct list_head *list, *list_next;
138 drm_vma_entry_t *vma, *vma_next; 136 drm_vma_entry_t *vma, *vma_next;
139 int i; 137 int i;
140 138
@@ -142,6 +140,7 @@ int drm_takedown( drm_device_t *dev )
142 140
143 if (dev->driver->pretakedown) 141 if (dev->driver->pretakedown)
144 dev->driver->pretakedown(dev); 142 dev->driver->pretakedown(dev);
143 DRM_DEBUG("driver pretakedown completed\n");
145 144
146 if (dev->unique) { 145 if (dev->unique) {
147 drm_free(dev->unique, strlen(dev->unique) + 1, DRM_MEM_DRIVER); 146 drm_free(dev->unique, strlen(dev->unique) + 1, DRM_MEM_DRIVER);
@@ -178,11 +177,16 @@ int drm_takedown( drm_device_t *dev )
178 } 177 }
179 dev->agp->memory = NULL; 178 dev->agp->memory = NULL;
180 179
181 if ( dev->agp->acquired ) drm_agp_do_release(dev); 180 if (dev->agp->acquired)
181 drm_agp_release(dev);
182 182
183 dev->agp->acquired = 0; 183 dev->agp->acquired = 0;
184 dev->agp->enabled = 0; 184 dev->agp->enabled = 0;
185 } 185 }
186 if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg) {
187 drm_sg_cleanup(dev->sg);
188 dev->sg = NULL;
189 }
186 190
187 /* Clear vma list (only built for debugging) */ 191 /* Clear vma list (only built for debugging) */
188 if ( dev->vmalist ) { 192 if ( dev->vmalist ) {
@@ -194,48 +198,11 @@ int drm_takedown( drm_device_t *dev )
194 } 198 }
195 199
196 if( dev->maplist ) { 200 if( dev->maplist ) {
197 list_for_each_safe( list, list_next, &dev->maplist->head ) { 201 while (!list_empty(&dev->maplist->head)) {
198 r_list = (drm_map_list_t *)list; 202 struct list_head *list = dev->maplist->head.next;
199 203 r_list = list_entry(list, drm_map_list_t, head);
200 if ( ( map = r_list->map ) ) { 204 drm_rmmap_locked(dev, r_list->map);
201 switch ( map->type ) { 205 }
202 case _DRM_REGISTERS:
203 case _DRM_FRAME_BUFFER:
204 if (drm_core_has_MTRR(dev)) {
205 if ( map->mtrr >= 0 ) {
206 int retcode;
207 retcode = mtrr_del( map->mtrr,
208 map->offset,
209 map->size );
210 DRM_DEBUG( "mtrr_del=%d\n", retcode );
211 }
212 }
213 drm_ioremapfree( map->handle, map->size, dev );
214 break;
215 case _DRM_SHM:
216 vfree(map->handle);
217 break;
218
219 case _DRM_AGP:
220 /* Do nothing here, because this is all
221 * handled in the AGP/GART driver.
222 */
223 break;
224 case _DRM_SCATTER_GATHER:
225 /* Handle it */
226 if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg) {
227 drm_sg_cleanup(dev->sg);
228 dev->sg = NULL;
229 }
230 break;
231 }
232 drm_free(map, sizeof(*map), DRM_MEM_MAPS);
233 }
234 list_del( list );
235 drm_free(r_list, sizeof(*r_list), DRM_MEM_MAPS);
236 }
237 drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
238 dev->maplist = NULL;
239 } 206 }
240 207
241 if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist ) { 208 if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist ) {
@@ -264,6 +231,7 @@ int drm_takedown( drm_device_t *dev )
264 } 231 }
265 up( &dev->struct_sem ); 232 up( &dev->struct_sem );
266 233
234 DRM_DEBUG("takedown completed\n");
267 return 0; 235 return 0;
268} 236}
269 237
@@ -312,7 +280,7 @@ EXPORT_SYMBOL(drm_init);
312 * 280 *
313 * Cleans up all DRM device, calling takedown(). 281 * Cleans up all DRM device, calling takedown().
314 * 282 *
315 * \sa drm_init(). 283 * \sa drm_init
316 */ 284 */
317static void drm_cleanup( drm_device_t *dev ) 285static void drm_cleanup( drm_device_t *dev )
318{ 286{
@@ -325,6 +293,11 @@ static void drm_cleanup( drm_device_t *dev )
325 293
326 drm_takedown( dev ); 294 drm_takedown( dev );
327 295
296 if (dev->maplist) {
297 drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
298 dev->maplist = NULL;
299 }
300
328 drm_ctxbitmap_cleanup( dev ); 301 drm_ctxbitmap_cleanup( dev );
329 302
330 if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) && 303 if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) &&
diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c
index 10e64fde8d78..a1f4e9cd64ed 100644
--- a/drivers/char/drm/drm_fops.c
+++ b/drivers/char/drm/drm_fops.c
@@ -71,12 +71,6 @@ static int drm_setup( drm_device_t *dev )
71 dev->magiclist[i].tail = NULL; 71 dev->magiclist[i].tail = NULL;
72 } 72 }
73 73
74 dev->maplist = drm_alloc(sizeof(*dev->maplist),
75 DRM_MEM_MAPS);
76 if(dev->maplist == NULL) return -ENOMEM;
77 memset(dev->maplist, 0, sizeof(*dev->maplist));
78 INIT_LIST_HEAD(&dev->maplist->head);
79
80 dev->ctxlist = drm_alloc(sizeof(*dev->ctxlist), 74 dev->ctxlist = drm_alloc(sizeof(*dev->ctxlist),
81 DRM_MEM_CTXLIST); 75 DRM_MEM_CTXLIST);
82 if(dev->ctxlist == NULL) return -ENOMEM; 76 if(dev->ctxlist == NULL) return -ENOMEM;
diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c
index ace3d42f4407..ff483fb418aa 100644
--- a/drivers/char/drm/drm_memory.c
+++ b/drivers/char/drm/drm_memory.c
@@ -142,27 +142,31 @@ void drm_free_pages(unsigned long address, int order, int area)
142 142
143#if __OS_HAS_AGP 143#if __OS_HAS_AGP
144/** Wrapper around agp_allocate_memory() */ 144/** Wrapper around agp_allocate_memory() */
145DRM_AGP_MEM *drm_alloc_agp(struct agp_bridge_data *bridge, int pages, u32 type) 145DRM_AGP_MEM *drm_alloc_agp(drm_device_t *dev, int pages, u32 type)
146{ 146{
147 return drm_agp_allocate_memory(bridge, pages, type); 147 return drm_agp_allocate_memory(dev->agp->bridge, pages, type);
148} 148}
149EXPORT_SYMBOL(drm_alloc_agp);
149 150
150/** Wrapper around agp_free_memory() */ 151/** Wrapper around agp_free_memory() */
151int drm_free_agp(DRM_AGP_MEM *handle, int pages) 152int drm_free_agp(DRM_AGP_MEM *handle, int pages)
152{ 153{
153 return drm_agp_free_memory(handle) ? 0 : -EINVAL; 154 return drm_agp_free_memory(handle) ? 0 : -EINVAL;
154} 155}
156EXPORT_SYMBOL(drm_free_agp);
155 157
156/** Wrapper around agp_bind_memory() */ 158/** Wrapper around agp_bind_memory() */
157int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start) 159int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start)
158{ 160{
159 return drm_agp_bind_memory(handle, start); 161 return drm_agp_bind_memory(handle, start);
160} 162}
163EXPORT_SYMBOL(drm_bind_agp);
161 164
162/** Wrapper around agp_unbind_memory() */ 165/** Wrapper around agp_unbind_memory() */
163int drm_unbind_agp(DRM_AGP_MEM *handle) 166int drm_unbind_agp(DRM_AGP_MEM *handle)
164{ 167{
165 return drm_agp_unbind_memory(handle); 168 return drm_agp_unbind_memory(handle);
166} 169}
170EXPORT_SYMBOL(drm_unbind_agp);
167#endif /* agp */ 171#endif /* agp */
168#endif /* debug_memory */ 172#endif /* debug_memory */
diff --git a/drivers/char/drm/drm_pci.c b/drivers/char/drm/drm_pci.c
index 192e8762571c..3e452e8967fa 100644
--- a/drivers/char/drm/drm_pci.c
+++ b/drivers/char/drm/drm_pci.c
@@ -46,10 +46,10 @@
46/** 46/**
47 * \brief Allocate a PCI consistent memory block, for DMA. 47 * \brief Allocate a PCI consistent memory block, for DMA.
48 */ 48 */
49void *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align, 49drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align,
50 dma_addr_t maxaddr, dma_addr_t * busaddr) 50 dma_addr_t maxaddr)
51{ 51{
52 void *address; 52 drm_dma_handle_t *dmah;
53#if DRM_DEBUG_MEMORY 53#if DRM_DEBUG_MEMORY
54 int area = DRM_MEM_DMA; 54 int area = DRM_MEM_DMA;
55 55
@@ -74,13 +74,19 @@ void *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align,
74 return NULL; 74 return NULL;
75 } 75 }
76 76
77 address = pci_alloc_consistent(dev->pdev, size, busaddr); 77 dmah = kmalloc(sizeof(drm_dma_handle_t), GFP_KERNEL);
78 if (!dmah)
79 return NULL;
80
81 dmah->size = size;
82 dmah->vaddr = pci_alloc_consistent(dev->pdev, size, &dmah->busaddr);
78 83
79#if DRM_DEBUG_MEMORY 84#if DRM_DEBUG_MEMORY
80 if (address == NULL) { 85 if (dmah->vaddr == NULL) {
81 spin_lock(&drm_mem_lock); 86 spin_lock(&drm_mem_lock);
82 ++drm_mem_stats[area].fail_count; 87 ++drm_mem_stats[area].fail_count;
83 spin_unlock(&drm_mem_lock); 88 spin_unlock(&drm_mem_lock);
89 kfree(dmah);
84 return NULL; 90 return NULL;
85 } 91 }
86 92
@@ -90,21 +96,25 @@ void *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align,
90 drm_ram_used += size; 96 drm_ram_used += size;
91 spin_unlock(&drm_mem_lock); 97 spin_unlock(&drm_mem_lock);
92#else 98#else
93 if (address == NULL) 99 if (dmah->vaddr == NULL) {
100 kfree(dmah);
94 return NULL; 101 return NULL;
102 }
95#endif 103#endif
96 104
97 memset(address, 0, size); 105 memset(dmah->vaddr, 0, size);
98 106
99 return address; 107 return dmah;
100} 108}
101EXPORT_SYMBOL(drm_pci_alloc); 109EXPORT_SYMBOL(drm_pci_alloc);
102 110
103/** 111/**
104 * \brief Free a PCI consistent memory block. 112 * \brief Free a PCI consistent memory block with freeing its descriptor.
113 *
114 * This function is for internal use in the Linux-specific DRM core code.
105 */ 115 */
106void 116void
107drm_pci_free(drm_device_t * dev, size_t size, void *vaddr, dma_addr_t busaddr) 117__drm_pci_free(drm_device_t * dev, drm_dma_handle_t *dmah)
108{ 118{
109#if DRM_DEBUG_MEMORY 119#if DRM_DEBUG_MEMORY
110 int area = DRM_MEM_DMA; 120 int area = DRM_MEM_DMA;
@@ -112,12 +122,13 @@ drm_pci_free(drm_device_t * dev, size_t size, void *vaddr, dma_addr_t busaddr)
112 int free_count; 122 int free_count;
113#endif 123#endif
114 124
115 if (!vaddr) { 125 if (!dmah->vaddr) {
116#if DRM_DEBUG_MEMORY 126#if DRM_DEBUG_MEMORY
117 DRM_MEM_ERROR(area, "Attempt to free address 0\n"); 127 DRM_MEM_ERROR(area, "Attempt to free address 0\n");
118#endif 128#endif
119 } else { 129 } else {
120 pci_free_consistent(dev->pdev, size, vaddr, busaddr); 130 pci_free_consistent(dev->pdev, dmah->size, dmah->vaddr,
131 dmah->busaddr);
121 } 132 }
122 133
123#if DRM_DEBUG_MEMORY 134#if DRM_DEBUG_MEMORY
@@ -135,6 +146,16 @@ drm_pci_free(drm_device_t * dev, size_t size, void *vaddr, dma_addr_t busaddr)
135#endif 146#endif
136 147
137} 148}
149
150/**
151 * \brief Free a PCI consistent memory block
152 */
153void
154drm_pci_free(drm_device_t *dev, drm_dma_handle_t *dmah)
155{
156 __drm_pci_free(dev, dmah);
157 kfree(dmah);
158}
138EXPORT_SYMBOL(drm_pci_free); 159EXPORT_SYMBOL(drm_pci_free);
139 160
140/*@}*/ 161/*@}*/
diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h
index 70ca4fa55c9d..4f317ec092ee 100644
--- a/drivers/char/drm/drm_pciids.h
+++ b/drivers/char/drm/drm_pciids.h
@@ -116,9 +116,10 @@
116 {0, 0, 0} 116 {0, 0, 0}
117 117
118#define mga_PCI_IDS \ 118#define mga_PCI_IDS \
119 {0x102b, 0x0521, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 119 {0x102b, 0x0520, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MGA_CARD_TYPE_G200}, \
120 {0x102b, 0x0525, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 120 {0x102b, 0x0521, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MGA_CARD_TYPE_G200}, \
121 {0x102b, 0x2527, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 121 {0x102b, 0x0525, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MGA_CARD_TYPE_G400}, \
122 {0x102b, 0x2527, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MGA_CARD_TYPE_G550}, \
122 {0, 0, 0} 123 {0, 0, 0}
123 124
124#define mach64_PCI_IDS \ 125#define mach64_PCI_IDS \
diff --git a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c
index 4774087d2e9e..f4154cc71abb 100644
--- a/drivers/char/drm/drm_proc.c
+++ b/drivers/char/drm/drm_proc.c
@@ -210,8 +210,8 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request,
210 210
211 /* Hardcoded from _DRM_FRAME_BUFFER, 211 /* Hardcoded from _DRM_FRAME_BUFFER,
212 _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and 212 _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
213 _DRM_SCATTER_GATHER. */ 213 _DRM_SCATTER_GATHER and _DRM_CONSISTENT */
214 const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" }; 214 const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
215 const char *type; 215 const char *type;
216 int i; 216 int i;
217 217
@@ -229,9 +229,12 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request,
229 if (dev->maplist != NULL) list_for_each(list, &dev->maplist->head) { 229 if (dev->maplist != NULL) list_for_each(list, &dev->maplist->head) {
230 r_list = list_entry(list, drm_map_list_t, head); 230 r_list = list_entry(list, drm_map_list_t, head);
231 map = r_list->map; 231 map = r_list->map;
232 if(!map) continue; 232 if(!map)
233 if (map->type < 0 || map->type > 4) type = "??"; 233 continue;
234 else type = types[map->type]; 234 if (map->type < 0 || map->type > 5)
235 type = "??";
236 else
237 type = types[map->type];
235 DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", 238 DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ",
236 i, 239 i,
237 map->offset, 240 map->offset,
diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c
index 48829a1a086a..95a976c96eb8 100644
--- a/drivers/char/drm/drm_stub.c
+++ b/drivers/char/drm/drm_stub.c
@@ -75,6 +75,11 @@ static int drm_fill_in_dev(drm_device_t *dev, struct pci_dev *pdev, const struct
75 dev->pci_func = PCI_FUNC(pdev->devfn); 75 dev->pci_func = PCI_FUNC(pdev->devfn);
76 dev->irq = pdev->irq; 76 dev->irq = pdev->irq;
77 77
78 dev->maplist = drm_calloc(1, sizeof(*dev->maplist), DRM_MEM_MAPS);
79 if (dev->maplist == NULL)
80 return -ENOMEM;
81 INIT_LIST_HEAD(&dev->maplist->head);
82
78 /* the DRM has 6 basic counters */ 83 /* the DRM has 6 basic counters */
79 dev->counters = 6; 84 dev->counters = 6;
80 dev->types[0] = _DRM_STAT_LOCK; 85 dev->types[0] = _DRM_STAT_LOCK;
@@ -91,7 +96,8 @@ static int drm_fill_in_dev(drm_device_t *dev, struct pci_dev *pdev, const struct
91 goto error_out_unreg; 96 goto error_out_unreg;
92 97
93 if (drm_core_has_AGP(dev)) { 98 if (drm_core_has_AGP(dev)) {
94 dev->agp = drm_agp_init(dev); 99 if (drm_device_is_agp(dev))
100 dev->agp = drm_agp_init(dev);
95 if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && (dev->agp == NULL)) { 101 if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && (dev->agp == NULL)) {
96 DRM_ERROR( "Cannot initialize the agpgart module.\n" ); 102 DRM_ERROR( "Cannot initialize the agpgart module.\n" );
97 retcode = -EINVAL; 103 retcode = -EINVAL;
diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c
index 621220f3f372..675d2397def9 100644
--- a/drivers/char/drm/drm_vm.c
+++ b/drivers/char/drm/drm_vm.c
@@ -210,6 +210,8 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
210 } 210 }
211 211
212 if(!found_maps) { 212 if(!found_maps) {
213 drm_dma_handle_t dmah;
214
213 switch (map->type) { 215 switch (map->type) {
214 case _DRM_REGISTERS: 216 case _DRM_REGISTERS:
215 case _DRM_FRAME_BUFFER: 217 case _DRM_FRAME_BUFFER:
@@ -228,6 +230,12 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
228 case _DRM_AGP: 230 case _DRM_AGP:
229 case _DRM_SCATTER_GATHER: 231 case _DRM_SCATTER_GATHER:
230 break; 232 break;
233 case _DRM_CONSISTENT:
234 dmah.vaddr = map->handle;
235 dmah.busaddr = map->offset;
236 dmah.size = map->size;
237 __drm_pci_free(dev, &dmah);
238 break;
231 } 239 }
232 drm_free(map, sizeof(*map), DRM_MEM_MAPS); 240 drm_free(map, sizeof(*map), DRM_MEM_MAPS);
233 } 241 }
@@ -645,6 +653,9 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
645 vma->vm_ops = &drm_vm_ops; 653 vma->vm_ops = &drm_vm_ops;
646 break; 654 break;
647 case _DRM_SHM: 655 case _DRM_SHM:
656 case _DRM_CONSISTENT:
657 /* Consistent memory is really like shared memory. It's only
658 * allocate in a different way */
648 vma->vm_ops = &drm_vm_shm_ops; 659 vma->vm_ops = &drm_vm_shm_ops;
649 vma->vm_private_data = (void *)map; 660 vma->vm_private_data = (void *)map;
650 /* Don't let this area swap. Change when 661 /* Don't let this area swap. Change when
diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c
index 18e0b7622893..0a9ac1f2e215 100644
--- a/drivers/char/drm/i810_dma.c
+++ b/drivers/char/drm/i810_dma.c
@@ -1383,3 +1383,19 @@ drm_ioctl_desc_t i810_ioctls[] = {
1383}; 1383};
1384 1384
1385int i810_max_ioctl = DRM_ARRAY_SIZE(i810_ioctls); 1385int i810_max_ioctl = DRM_ARRAY_SIZE(i810_ioctls);
1386
1387/**
1388 * Determine if the device really is AGP or not.
1389 *
1390 * All Intel graphics chipsets are treated as AGP, even if they are really
1391 * PCI-e.
1392 *
1393 * \param dev The device to be tested.
1394 *
1395 * \returns
1396 * A value of 1 is always retured to indictate every i810 is AGP.
1397 */
1398int i810_driver_device_is_agp(drm_device_t * dev)
1399{
1400 return 1;
1401}
diff --git a/drivers/char/drm/i810_drv.c b/drivers/char/drm/i810_drv.c
index ff51b3259af9..00609329d578 100644
--- a/drivers/char/drm/i810_drv.c
+++ b/drivers/char/drm/i810_drv.c
@@ -84,6 +84,7 @@ static struct drm_driver driver = {
84 .dev_priv_size = sizeof(drm_i810_buf_priv_t), 84 .dev_priv_size = sizeof(drm_i810_buf_priv_t),
85 .pretakedown = i810_driver_pretakedown, 85 .pretakedown = i810_driver_pretakedown,
86 .prerelease = i810_driver_prerelease, 86 .prerelease = i810_driver_prerelease,
87 .device_is_agp = i810_driver_device_is_agp,
87 .release = i810_driver_release, 88 .release = i810_driver_release,
88 .dma_quiescent = i810_driver_dma_quiescent, 89 .dma_quiescent = i810_driver_dma_quiescent,
89 .reclaim_buffers = i810_reclaim_buffers, 90 .reclaim_buffers = i810_reclaim_buffers,
diff --git a/drivers/char/drm/i810_drv.h b/drivers/char/drm/i810_drv.h
index 1b40538d1725..62ee4f58c59a 100644
--- a/drivers/char/drm/i810_drv.h
+++ b/drivers/char/drm/i810_drv.h
@@ -120,6 +120,7 @@ extern int i810_driver_dma_quiescent(drm_device_t *dev);
120extern void i810_driver_release(drm_device_t *dev, struct file *filp); 120extern void i810_driver_release(drm_device_t *dev, struct file *filp);
121extern void i810_driver_pretakedown(drm_device_t *dev); 121extern void i810_driver_pretakedown(drm_device_t *dev);
122extern void i810_driver_prerelease(drm_device_t *dev, DRMFILE filp); 122extern void i810_driver_prerelease(drm_device_t *dev, DRMFILE filp);
123extern int i810_driver_device_is_agp(drm_device_t * dev);
123 124
124#define I810_BASE(reg) ((unsigned long) \ 125#define I810_BASE(reg) ((unsigned long) \
125 dev_priv->mmio_map->handle) 126 dev_priv->mmio_map->handle)
diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c
index dc7733035864..80d8966397c1 100644
--- a/drivers/char/drm/i830_dma.c
+++ b/drivers/char/drm/i830_dma.c
@@ -1586,3 +1586,19 @@ drm_ioctl_desc_t i830_ioctls[] = {
1586}; 1586};
1587 1587
1588int i830_max_ioctl = DRM_ARRAY_SIZE(i830_ioctls); 1588int i830_max_ioctl = DRM_ARRAY_SIZE(i830_ioctls);
1589
1590/**
1591 * Determine if the device really is AGP or not.
1592 *
1593 * All Intel graphics chipsets are treated as AGP, even if they are really
1594 * PCI-e.
1595 *
1596 * \param dev The device to be tested.
1597 *
1598 * \returns
1599 * A value of 1 is always retured to indictate every i8xx is AGP.
1600 */
1601int i830_driver_device_is_agp(drm_device_t * dev)
1602{
1603 return 1;
1604}
diff --git a/drivers/char/drm/i830_drv.c b/drivers/char/drm/i830_drv.c
index bc36be76b8b2..0da9cd19919e 100644
--- a/drivers/char/drm/i830_drv.c
+++ b/drivers/char/drm/i830_drv.c
@@ -88,6 +88,7 @@ static struct drm_driver driver = {
88 .dev_priv_size = sizeof(drm_i830_buf_priv_t), 88 .dev_priv_size = sizeof(drm_i830_buf_priv_t),
89 .pretakedown = i830_driver_pretakedown, 89 .pretakedown = i830_driver_pretakedown,
90 .prerelease = i830_driver_prerelease, 90 .prerelease = i830_driver_prerelease,
91 .device_is_agp = i830_driver_device_is_agp,
91 .release = i830_driver_release, 92 .release = i830_driver_release,
92 .dma_quiescent = i830_driver_dma_quiescent, 93 .dma_quiescent = i830_driver_dma_quiescent,
93 .reclaim_buffers = i830_reclaim_buffers, 94 .reclaim_buffers = i830_reclaim_buffers,
diff --git a/drivers/char/drm/i830_drv.h b/drivers/char/drm/i830_drv.h
index df7746131dea..63f96a8b6a4a 100644
--- a/drivers/char/drm/i830_drv.h
+++ b/drivers/char/drm/i830_drv.h
@@ -137,6 +137,7 @@ extern void i830_driver_pretakedown(drm_device_t *dev);
137extern void i830_driver_release(drm_device_t *dev, struct file *filp); 137extern void i830_driver_release(drm_device_t *dev, struct file *filp);
138extern int i830_driver_dma_quiescent(drm_device_t *dev); 138extern int i830_driver_dma_quiescent(drm_device_t *dev);
139extern void i830_driver_prerelease(drm_device_t *dev, DRMFILE filp); 139extern void i830_driver_prerelease(drm_device_t *dev, DRMFILE filp);
140extern int i830_driver_device_is_agp(drm_device_t * dev);
140 141
141#define I830_BASE(reg) ((unsigned long) \ 142#define I830_BASE(reg) ((unsigned long) \
142 dev_priv->mmio_map->handle) 143 dev_priv->mmio_map->handle)
diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c
index acf9e52a9507..34f552f90c4a 100644
--- a/drivers/char/drm/i915_dma.c
+++ b/drivers/char/drm/i915_dma.c
@@ -95,9 +95,8 @@ static int i915_dma_cleanup(drm_device_t * dev)
95 drm_core_ioremapfree( &dev_priv->ring.map, dev); 95 drm_core_ioremapfree( &dev_priv->ring.map, dev);
96 } 96 }
97 97
98 if (dev_priv->hw_status_page) { 98 if (dev_priv->status_page_dmah) {
99 drm_pci_free(dev, PAGE_SIZE, dev_priv->hw_status_page, 99 drm_pci_free(dev, dev_priv->status_page_dmah);
100 dev_priv->dma_status_page);
101 /* Need to rewrite hardware status page */ 100 /* Need to rewrite hardware status page */
102 I915_WRITE(0x02080, 0x1ffff000); 101 I915_WRITE(0x02080, 0x1ffff000);
103 } 102 }
@@ -174,16 +173,18 @@ static int i915_initialize(drm_device_t * dev,
174 dev_priv->allow_batchbuffer = 1; 173 dev_priv->allow_batchbuffer = 1;
175 174
176 /* Program Hardware Status Page */ 175 /* Program Hardware Status Page */
177 dev_priv->hw_status_page = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 176 dev_priv->status_page_dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE,
178 0xffffffff, 177 0xffffffff);
179 &dev_priv->dma_status_page);
180 178
181 if (!dev_priv->hw_status_page) { 179 if (!dev_priv->status_page_dmah) {
182 dev->dev_private = (void *)dev_priv; 180 dev->dev_private = (void *)dev_priv;
183 i915_dma_cleanup(dev); 181 i915_dma_cleanup(dev);
184 DRM_ERROR("Can not allocate hardware status page\n"); 182 DRM_ERROR("Can not allocate hardware status page\n");
185 return DRM_ERR(ENOMEM); 183 return DRM_ERR(ENOMEM);
186 } 184 }
185 dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr;
186 dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
187
187 memset(dev_priv->hw_status_page, 0, PAGE_SIZE); 188 memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
188 DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); 189 DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
189 190
@@ -731,3 +732,19 @@ drm_ioctl_desc_t i915_ioctls[] = {
731}; 732};
732 733
733int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); 734int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
735
736/**
737 * Determine if the device really is AGP or not.
738 *
739 * All Intel graphics chipsets are treated as AGP, even if they are really
740 * PCI-e.
741 *
742 * \param dev The device to be tested.
743 *
744 * \returns
745 * A value of 1 is always retured to indictate every i9x5 is AGP.
746 */
747int i915_driver_device_is_agp(drm_device_t * dev)
748{
749 return 1;
750}
diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c
index 1f59d3fc79bc..106b9ec02213 100644
--- a/drivers/char/drm/i915_drv.c
+++ b/drivers/char/drm/i915_drv.c
@@ -79,6 +79,7 @@ static struct drm_driver driver = {
79 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED, 79 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
80 .pretakedown = i915_driver_pretakedown, 80 .pretakedown = i915_driver_pretakedown,
81 .prerelease = i915_driver_prerelease, 81 .prerelease = i915_driver_prerelease,
82 .device_is_agp = i915_driver_device_is_agp,
82 .irq_preinstall = i915_driver_irq_preinstall, 83 .irq_preinstall = i915_driver_irq_preinstall,
83 .irq_postinstall = i915_driver_irq_postinstall, 84 .irq_postinstall = i915_driver_irq_postinstall,
84 .irq_uninstall = i915_driver_irq_uninstall, 85 .irq_uninstall = i915_driver_irq_uninstall,
diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h
index 9c37d2367dd5..70ed4e68eac8 100644
--- a/drivers/char/drm/i915_drv.h
+++ b/drivers/char/drm/i915_drv.h
@@ -79,9 +79,10 @@ typedef struct drm_i915_private {
79 drm_i915_sarea_t *sarea_priv; 79 drm_i915_sarea_t *sarea_priv;
80 drm_i915_ring_buffer_t ring; 80 drm_i915_ring_buffer_t ring;
81 81
82 drm_dma_handle_t *status_page_dmah;
82 void *hw_status_page; 83 void *hw_status_page;
83 unsigned long counter;
84 dma_addr_t dma_status_page; 84 dma_addr_t dma_status_page;
85 unsigned long counter;
85 86
86 int back_offset; 87 int back_offset;
87 int front_offset; 88 int front_offset;
@@ -102,6 +103,7 @@ typedef struct drm_i915_private {
102extern void i915_kernel_lost_context(drm_device_t * dev); 103extern void i915_kernel_lost_context(drm_device_t * dev);
103extern void i915_driver_pretakedown(drm_device_t *dev); 104extern void i915_driver_pretakedown(drm_device_t *dev);
104extern void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp); 105extern void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp);
106extern int i915_driver_device_is_agp(drm_device_t *dev);
105 107
106/* i915_irq.c */ 108/* i915_irq.c */
107extern int i915_irq_emit(DRM_IOCTL_ARGS); 109extern int i915_irq_emit(DRM_IOCTL_ARGS);
diff --git a/drivers/char/drm/mga_dma.c b/drivers/char/drm/mga_dma.c
index 832eaf8a5068..7899e281d062 100644
--- a/drivers/char/drm/mga_dma.c
+++ b/drivers/char/drm/mga_dma.c
@@ -23,18 +23,21 @@
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 * DEALINGS IN THE SOFTWARE. 25 * DEALINGS IN THE SOFTWARE.
26 * 26 */
27 * Authors: 27
28 * Rickard E. (Rik) Faith <faith@valinux.com> 28/**
29 * Jeff Hartmann <jhartmann@valinux.com> 29 * \file mga_dma.c
30 * Keith Whitwell <keith@tungstengraphics.com> 30 * DMA support for MGA G200 / G400.
31 * 31 *
32 * Rewritten by: 32 * \author Rickard E. (Rik) Faith <faith@valinux.com>
33 * Gareth Hughes <gareth@valinux.com> 33 * \author Jeff Hartmann <jhartmann@valinux.com>
34 * \author Keith Whitwell <keith@tungstengraphics.com>
35 * \author Gareth Hughes <gareth@valinux.com>
34 */ 36 */
35 37
36#include "drmP.h" 38#include "drmP.h"
37#include "drm.h" 39#include "drm.h"
40#include "drm_sarea.h"
38#include "mga_drm.h" 41#include "mga_drm.h"
39#include "mga_drv.h" 42#include "mga_drv.h"
40 43
@@ -148,7 +151,7 @@ void mga_do_dma_flush( drm_mga_private_t *dev_priv )
148 DRM_DEBUG( " space = 0x%06x\n", primary->space ); 151 DRM_DEBUG( " space = 0x%06x\n", primary->space );
149 152
150 mga_flush_write_combine(); 153 mga_flush_write_combine();
151 MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER ); 154 MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access);
152 155
153 DRM_DEBUG( "done.\n" ); 156 DRM_DEBUG( "done.\n" );
154} 157}
@@ -190,7 +193,7 @@ void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv )
190 DRM_DEBUG( " space = 0x%06x\n", primary->space ); 193 DRM_DEBUG( " space = 0x%06x\n", primary->space );
191 194
192 mga_flush_write_combine(); 195 mga_flush_write_combine();
193 MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER ); 196 MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access);
194 197
195 set_bit( 0, &primary->wrapped ); 198 set_bit( 0, &primary->wrapped );
196 DRM_DEBUG( "done.\n" ); 199 DRM_DEBUG( "done.\n" );
@@ -396,23 +399,383 @@ int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf )
396 * DMA initialization, cleanup 399 * DMA initialization, cleanup
397 */ 400 */
398 401
402
403int mga_driver_preinit(drm_device_t *dev, unsigned long flags)
404{
405 drm_mga_private_t * dev_priv;
406
407 dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER);
408 if (!dev_priv)
409 return DRM_ERR(ENOMEM);
410
411 dev->dev_private = (void *)dev_priv;
412 memset(dev_priv, 0, sizeof(drm_mga_private_t));
413
414 dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT;
415 dev_priv->chipset = flags;
416
417 return 0;
418}
419
420/**
421 * Bootstrap the driver for AGP DMA.
422 *
423 * \todo
424 * Investigate whether there is any benifit to storing the WARP microcode in
425 * AGP memory. If not, the microcode may as well always be put in PCI
426 * memory.
427 *
428 * \todo
429 * This routine needs to set dma_bs->agp_mode to the mode actually configured
430 * in the hardware. Looking just at the Linux AGP driver code, I don't see
431 * an easy way to determine this.
432 *
433 * \sa mga_do_dma_bootstrap, mga_do_pci_dma_bootstrap
434 */
435static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
436 drm_mga_dma_bootstrap_t * dma_bs)
437{
438 drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private;
439 const unsigned int warp_size = mga_warp_microcode_size(dev_priv);
440 int err;
441 unsigned offset;
442 const unsigned secondary_size = dma_bs->secondary_bin_count
443 * dma_bs->secondary_bin_size;
444 const unsigned agp_size = (dma_bs->agp_size << 20);
445 drm_buf_desc_t req;
446 drm_agp_mode_t mode;
447 drm_agp_info_t info;
448
449
450 /* Acquire AGP. */
451 err = drm_agp_acquire(dev);
452 if (err) {
453 DRM_ERROR("Unable to acquire AGP\n");
454 return err;
455 }
456
457 err = drm_agp_info(dev, &info);
458 if (err) {
459 DRM_ERROR("Unable to get AGP info\n");
460 return err;
461 }
462
463 mode.mode = (info.mode & ~0x07) | dma_bs->agp_mode;
464 err = drm_agp_enable(dev, mode);
465 if (err) {
466 DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode);
467 return err;
468 }
469
470
471 /* In addition to the usual AGP mode configuration, the G200 AGP cards
472 * need to have the AGP mode "manually" set.
473 */
474
475 if (dev_priv->chipset == MGA_CARD_TYPE_G200) {
476 if (mode.mode & 0x02) {
477 MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_ENABLE);
478 }
479 else {
480 MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_DISABLE);
481 }
482 }
483
484
485 /* Allocate and bind AGP memory. */
486 dev_priv->agp_pages = agp_size / PAGE_SIZE;
487 dev_priv->agp_mem = drm_alloc_agp( dev, dev_priv->agp_pages, 0 );
488 if (dev_priv->agp_mem == NULL) {
489 dev_priv->agp_pages = 0;
490 DRM_ERROR("Unable to allocate %uMB AGP memory\n",
491 dma_bs->agp_size);
492 return DRM_ERR(ENOMEM);
493 }
494
495 err = drm_bind_agp( dev_priv->agp_mem, 0 );
496 if (err) {
497 DRM_ERROR("Unable to bind AGP memory\n");
498 return err;
499 }
500
501 offset = 0;
502 err = drm_addmap( dev, offset, warp_size,
503 _DRM_AGP, _DRM_READ_ONLY, & dev_priv->warp );
504 if (err) {
505 DRM_ERROR("Unable to map WARP microcode\n");
506 return err;
507 }
508
509 offset += warp_size;
510 err = drm_addmap( dev, offset, dma_bs->primary_size,
511 _DRM_AGP, _DRM_READ_ONLY, & dev_priv->primary );
512 if (err) {
513 DRM_ERROR("Unable to map primary DMA region\n");
514 return err;
515 }
516
517 offset += dma_bs->primary_size;
518 err = drm_addmap( dev, offset, secondary_size,
519 _DRM_AGP, 0, & dev->agp_buffer_map );
520 if (err) {
521 DRM_ERROR("Unable to map secondary DMA region\n");
522 return err;
523 }
524
525 (void) memset( &req, 0, sizeof(req) );
526 req.count = dma_bs->secondary_bin_count;
527 req.size = dma_bs->secondary_bin_size;
528 req.flags = _DRM_AGP_BUFFER;
529 req.agp_start = offset;
530
531 err = drm_addbufs_agp( dev, & req );
532 if (err) {
533 DRM_ERROR("Unable to add secondary DMA buffers\n");
534 return err;
535 }
536
537 offset += secondary_size;
538 err = drm_addmap( dev, offset, agp_size - offset,
539 _DRM_AGP, 0, & dev_priv->agp_textures );
540 if (err) {
541 DRM_ERROR("Unable to map AGP texture region\n");
542 return err;
543 }
544
545 drm_core_ioremap(dev_priv->warp, dev);
546 drm_core_ioremap(dev_priv->primary, dev);
547 drm_core_ioremap(dev->agp_buffer_map, dev);
548
549 if (!dev_priv->warp->handle ||
550 !dev_priv->primary->handle || !dev->agp_buffer_map->handle) {
551 DRM_ERROR("failed to ioremap agp regions! (%p, %p, %p)\n",
552 dev_priv->warp->handle, dev_priv->primary->handle,
553 dev->agp_buffer_map->handle);
554 return DRM_ERR(ENOMEM);
555 }
556
557 dev_priv->dma_access = MGA_PAGPXFER;
558 dev_priv->wagp_enable = MGA_WAGP_ENABLE;
559
560 DRM_INFO("Initialized card for AGP DMA.\n");
561 return 0;
562}
563
564/**
565 * Bootstrap the driver for PCI DMA.
566 *
567 * \todo
568 * The algorithm for decreasing the size of the primary DMA buffer could be
569 * better. The size should be rounded up to the nearest page size, then
570 * decrease the request size by a single page each pass through the loop.
571 *
572 * \todo
573 * Determine whether the maximum address passed to drm_pci_alloc is correct.
574 * The same goes for drm_addbufs_pci.
575 *
576 * \sa mga_do_dma_bootstrap, mga_do_agp_dma_bootstrap
577 */
578static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
579 drm_mga_dma_bootstrap_t * dma_bs)
580{
581 drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private;
582 const unsigned int warp_size = mga_warp_microcode_size(dev_priv);
583 unsigned int primary_size;
584 unsigned int bin_count;
585 int err;
586 drm_buf_desc_t req;
587
588
589 if (dev->dma == NULL) {
590 DRM_ERROR("dev->dma is NULL\n");
591 return DRM_ERR(EFAULT);
592 }
593
594 /* The proper alignment is 0x100 for this mapping */
595 err = drm_addmap(dev, 0, warp_size, _DRM_CONSISTENT,
596 _DRM_READ_ONLY, &dev_priv->warp);
597 if (err != 0) {
598 DRM_ERROR("Unable to create mapping for WARP microcode\n");
599 return err;
600 }
601
602 /* Other than the bottom two bits being used to encode other
603 * information, there don't appear to be any restrictions on the
604 * alignment of the primary or secondary DMA buffers.
605 */
606
607 for ( primary_size = dma_bs->primary_size
608 ; primary_size != 0
609 ; primary_size >>= 1 ) {
610 /* The proper alignment for this mapping is 0x04 */
611 err = drm_addmap(dev, 0, primary_size, _DRM_CONSISTENT,
612 _DRM_READ_ONLY, &dev_priv->primary);
613 if (!err)
614 break;
615 }
616
617 if (err != 0) {
618 DRM_ERROR("Unable to allocate primary DMA region\n");
619 return DRM_ERR(ENOMEM);
620 }
621
622 if (dev_priv->primary->size != dma_bs->primary_size) {
623 DRM_INFO("Primary DMA buffer size reduced from %u to %u.\n",
624 dma_bs->primary_size,
625 (unsigned) dev_priv->primary->size);
626 dma_bs->primary_size = dev_priv->primary->size;
627 }
628
629 for ( bin_count = dma_bs->secondary_bin_count
630 ; bin_count > 0
631 ; bin_count-- ) {
632 (void) memset( &req, 0, sizeof(req) );
633 req.count = bin_count;
634 req.size = dma_bs->secondary_bin_size;
635
636 err = drm_addbufs_pci( dev, & req );
637 if (!err) {
638 break;
639 }
640 }
641
642 if (bin_count == 0) {
643 DRM_ERROR("Unable to add secondary DMA buffers\n");
644 return err;
645 }
646
647 if (bin_count != dma_bs->secondary_bin_count) {
648 DRM_INFO("Secondary PCI DMA buffer bin count reduced from %u "
649 "to %u.\n", dma_bs->secondary_bin_count, bin_count);
650
651 dma_bs->secondary_bin_count = bin_count;
652 }
653
654 dev_priv->dma_access = 0;
655 dev_priv->wagp_enable = 0;
656
657 dma_bs->agp_mode = 0;
658
659 DRM_INFO("Initialized card for PCI DMA.\n");
660 return 0;
661}
662
663
664static int mga_do_dma_bootstrap(drm_device_t * dev,
665 drm_mga_dma_bootstrap_t * dma_bs)
666{
667 const int is_agp = (dma_bs->agp_mode != 0) && drm_device_is_agp(dev);
668 int err;
669 drm_mga_private_t * const dev_priv =
670 (drm_mga_private_t *) dev->dev_private;
671
672
673 dev_priv->used_new_dma_init = 1;
674
675 /* The first steps are the same for both PCI and AGP based DMA. Map
676 * the cards MMIO registers and map a status page.
677 */
678 err = drm_addmap( dev, dev_priv->mmio_base, dev_priv->mmio_size,
679 _DRM_REGISTERS, _DRM_READ_ONLY, & dev_priv->mmio );
680 if (err) {
681 DRM_ERROR("Unable to map MMIO region\n");
682 return err;
683 }
684
685
686 err = drm_addmap( dev, 0, SAREA_MAX, _DRM_SHM,
687 _DRM_READ_ONLY | _DRM_LOCKED | _DRM_KERNEL,
688 & dev_priv->status );
689 if (err) {
690 DRM_ERROR("Unable to map status region\n");
691 return err;
692 }
693
694
695 /* The DMA initialization procedure is slightly different for PCI and
696 * AGP cards. AGP cards just allocate a large block of AGP memory and
697 * carve off portions of it for internal uses. The remaining memory
698 * is returned to user-mode to be used for AGP textures.
699 */
700
701 if (is_agp) {
702 err = mga_do_agp_dma_bootstrap(dev, dma_bs);
703 }
704
705 /* If we attempted to initialize the card for AGP DMA but failed,
706 * clean-up any mess that may have been created.
707 */
708
709 if (err) {
710 mga_do_cleanup_dma(dev);
711 }
712
713
714 /* Not only do we want to try and initialized PCI cards for PCI DMA,
715 * but we also try to initialized AGP cards that could not be
716 * initialized for AGP DMA. This covers the case where we have an AGP
717 * card in a system with an unsupported AGP chipset. In that case the
718 * card will be detected as AGP, but we won't be able to allocate any
719 * AGP memory, etc.
720 */
721
722 if (!is_agp || err) {
723 err = mga_do_pci_dma_bootstrap(dev, dma_bs);
724 }
725
726
727 return err;
728}
729
730int mga_dma_bootstrap(DRM_IOCTL_ARGS)
731{
732 DRM_DEVICE;
733 drm_mga_dma_bootstrap_t bootstrap;
734 int err;
735
736
737 DRM_COPY_FROM_USER_IOCTL(bootstrap,
738 (drm_mga_dma_bootstrap_t __user *) data,
739 sizeof(bootstrap));
740
741 err = mga_do_dma_bootstrap(dev, & bootstrap);
742 if (! err) {
743 static const int modes[] = { 0, 1, 2, 2, 4, 4, 4, 4 };
744 const drm_mga_private_t * const dev_priv =
745 (drm_mga_private_t *) dev->dev_private;
746
747 if (dev_priv->agp_textures != NULL) {
748 bootstrap.texture_handle = dev_priv->agp_textures->offset;
749 bootstrap.texture_size = dev_priv->agp_textures->size;
750 }
751 else {
752 bootstrap.texture_handle = 0;
753 bootstrap.texture_size = 0;
754 }
755
756 bootstrap.agp_mode = modes[ bootstrap.agp_mode & 0x07 ];
757 if (DRM_COPY_TO_USER( (void __user *) data, & bootstrap,
758 sizeof(bootstrap))) {
759 err = DRM_ERR(EFAULT);
760 }
761 }
762 else {
763 mga_do_cleanup_dma(dev);
764 }
765
766 return err;
767}
768
399static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init ) 769static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
400{ 770{
401 drm_mga_private_t *dev_priv; 771 drm_mga_private_t *dev_priv;
402 int ret; 772 int ret;
403 DRM_DEBUG( "\n" ); 773 DRM_DEBUG( "\n" );
404 774
405 dev_priv = drm_alloc( sizeof(drm_mga_private_t), DRM_MEM_DRIVER );
406 if ( !dev_priv )
407 return DRM_ERR(ENOMEM);
408
409 memset( dev_priv, 0, sizeof(drm_mga_private_t) );
410 775
411 dev_priv->chipset = init->chipset; 776 dev_priv = dev->dev_private;
412 777
413 dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT; 778 if (init->sgram) {
414
415 if ( init->sgram ) {
416 dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK; 779 dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK;
417 } else { 780 } else {
418 dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR; 781 dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR;
@@ -436,88 +799,65 @@ static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
436 799
437 DRM_GETSAREA(); 800 DRM_GETSAREA();
438 801
439 if(!dev_priv->sarea) { 802 if (!dev_priv->sarea) {
440 DRM_ERROR( "failed to find sarea!\n" ); 803 DRM_ERROR("failed to find sarea!\n");
441 /* Assign dev_private so we can do cleanup. */
442 dev->dev_private = (void *)dev_priv;
443 mga_do_cleanup_dma( dev );
444 return DRM_ERR(EINVAL); 804 return DRM_ERR(EINVAL);
445 } 805 }
446 806
447 dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); 807 if (! dev_priv->used_new_dma_init) {
448 if(!dev_priv->mmio) { 808 dev_priv->status = drm_core_findmap(dev, init->status_offset);
449 DRM_ERROR( "failed to find mmio region!\n" ); 809 if (!dev_priv->status) {
450 /* Assign dev_private so we can do cleanup. */ 810 DRM_ERROR("failed to find status page!\n");
451 dev->dev_private = (void *)dev_priv; 811 return DRM_ERR(EINVAL);
452 mga_do_cleanup_dma( dev ); 812 }
453 return DRM_ERR(EINVAL); 813 dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
454 } 814 if (!dev_priv->mmio) {
455 dev_priv->status = drm_core_findmap(dev, init->status_offset); 815 DRM_ERROR("failed to find mmio region!\n");
456 if(!dev_priv->status) { 816 return DRM_ERR(EINVAL);
457 DRM_ERROR( "failed to find status page!\n" ); 817 }
458 /* Assign dev_private so we can do cleanup. */ 818 dev_priv->warp = drm_core_findmap(dev, init->warp_offset);
459 dev->dev_private = (void *)dev_priv; 819 if (!dev_priv->warp) {
460 mga_do_cleanup_dma( dev ); 820 DRM_ERROR("failed to find warp microcode region!\n");
461 return DRM_ERR(EINVAL); 821 return DRM_ERR(EINVAL);
462 } 822 }
463 dev_priv->warp = drm_core_findmap(dev, init->warp_offset); 823 dev_priv->primary = drm_core_findmap(dev, init->primary_offset);
464 if(!dev_priv->warp) { 824 if (!dev_priv->primary) {
465 DRM_ERROR( "failed to find warp microcode region!\n" ); 825 DRM_ERROR("failed to find primary dma region!\n");
466 /* Assign dev_private so we can do cleanup. */ 826 return DRM_ERR(EINVAL);
467 dev->dev_private = (void *)dev_priv; 827 }
468 mga_do_cleanup_dma( dev ); 828 dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
469 return DRM_ERR(EINVAL); 829 if (!dev->agp_buffer_map) {
470 } 830 DRM_ERROR("failed to find dma buffer region!\n");
471 dev_priv->primary = drm_core_findmap(dev, init->primary_offset); 831 return DRM_ERR(EINVAL);
472 if(!dev_priv->primary) { 832 }
473 DRM_ERROR( "failed to find primary dma region!\n" ); 833
474 /* Assign dev_private so we can do cleanup. */ 834 drm_core_ioremap(dev_priv->warp, dev);
475 dev->dev_private = (void *)dev_priv; 835 drm_core_ioremap(dev_priv->primary, dev);
476 mga_do_cleanup_dma( dev ); 836 drm_core_ioremap(dev->agp_buffer_map, dev);
477 return DRM_ERR(EINVAL);
478 }
479 dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
480 if(!dev->agp_buffer_map) {
481 DRM_ERROR( "failed to find dma buffer region!\n" );
482 /* Assign dev_private so we can do cleanup. */
483 dev->dev_private = (void *)dev_priv;
484 mga_do_cleanup_dma( dev );
485 return DRM_ERR(EINVAL);
486 } 837 }
487 838
488 dev_priv->sarea_priv = 839 dev_priv->sarea_priv =
489 (drm_mga_sarea_t *)((u8 *)dev_priv->sarea->handle + 840 (drm_mga_sarea_t *)((u8 *)dev_priv->sarea->handle +
490 init->sarea_priv_offset); 841 init->sarea_priv_offset);
491 842
492 drm_core_ioremap( dev_priv->warp, dev ); 843 if (!dev_priv->warp->handle ||
493 drm_core_ioremap( dev_priv->primary, dev ); 844 !dev_priv->primary->handle ||
494 drm_core_ioremap( dev->agp_buffer_map, dev ); 845 ((dev_priv->dma_access != 0) &&
495 846 ((dev->agp_buffer_map == NULL) ||
496 if(!dev_priv->warp->handle || 847 (dev->agp_buffer_map->handle == NULL)))) {
497 !dev_priv->primary->handle || 848 DRM_ERROR("failed to ioremap agp regions!\n");
498 !dev->agp_buffer_map->handle ) {
499 DRM_ERROR( "failed to ioremap agp regions!\n" );
500 /* Assign dev_private so we can do cleanup. */
501 dev->dev_private = (void *)dev_priv;
502 mga_do_cleanup_dma( dev );
503 return DRM_ERR(ENOMEM); 849 return DRM_ERR(ENOMEM);
504 } 850 }
505 851
506 ret = mga_warp_install_microcode( dev_priv ); 852 ret = mga_warp_install_microcode(dev_priv);
507 if ( ret < 0 ) { 853 if (ret < 0) {
508 DRM_ERROR( "failed to install WARP ucode!\n" ); 854 DRM_ERROR("failed to install WARP ucode!\n");
509 /* Assign dev_private so we can do cleanup. */
510 dev->dev_private = (void *)dev_priv;
511 mga_do_cleanup_dma( dev );
512 return ret; 855 return ret;
513 } 856 }
514 857
515 ret = mga_warp_init( dev_priv ); 858 ret = mga_warp_init(dev_priv);
516 if ( ret < 0 ) { 859 if (ret < 0) {
517 DRM_ERROR( "failed to init WARP engine!\n" ); 860 DRM_ERROR("failed to init WARP engine!\n");
518 /* Assign dev_private so we can do cleanup. */
519 dev->dev_private = (void *)dev_priv;
520 mga_do_cleanup_dma( dev );
521 return ret; 861 return ret;
522 } 862 }
523 863
@@ -557,22 +897,18 @@ static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
557 dev_priv->sarea_priv->last_frame.head = 0; 897 dev_priv->sarea_priv->last_frame.head = 0;
558 dev_priv->sarea_priv->last_frame.wrap = 0; 898 dev_priv->sarea_priv->last_frame.wrap = 0;
559 899
560 if ( mga_freelist_init( dev, dev_priv ) < 0 ) { 900 if (mga_freelist_init(dev, dev_priv) < 0) {
561 DRM_ERROR( "could not initialize freelist\n" ); 901 DRM_ERROR("could not initialize freelist\n");
562 /* Assign dev_private so we can do cleanup. */
563 dev->dev_private = (void *)dev_priv;
564 mga_do_cleanup_dma( dev );
565 return DRM_ERR(ENOMEM); 902 return DRM_ERR(ENOMEM);
566 } 903 }
567 904
568 /* Make dev_private visable to others. */
569 dev->dev_private = (void *)dev_priv;
570 return 0; 905 return 0;
571} 906}
572 907
573static int mga_do_cleanup_dma( drm_device_t *dev ) 908static int mga_do_cleanup_dma( drm_device_t *dev )
574{ 909{
575 DRM_DEBUG( "\n" ); 910 int err = 0;
911 DRM_DEBUG("\n");
576 912
577 /* Make sure interrupts are disabled here because the uninstall ioctl 913 /* Make sure interrupts are disabled here because the uninstall ioctl
578 * may not have been called from userspace and after dev_private 914 * may not have been called from userspace and after dev_private
@@ -583,20 +919,49 @@ static int mga_do_cleanup_dma( drm_device_t *dev )
583 if ( dev->dev_private ) { 919 if ( dev->dev_private ) {
584 drm_mga_private_t *dev_priv = dev->dev_private; 920 drm_mga_private_t *dev_priv = dev->dev_private;
585 921
586 if ( dev_priv->warp != NULL ) 922 if ((dev_priv->warp != NULL)
587 drm_core_ioremapfree( dev_priv->warp, dev ); 923 && (dev_priv->mmio->type != _DRM_CONSISTENT))
588 if ( dev_priv->primary != NULL ) 924 drm_core_ioremapfree(dev_priv->warp, dev);
589 drm_core_ioremapfree( dev_priv->primary, dev ); 925
590 if ( dev->agp_buffer_map != NULL ) 926 if ((dev_priv->primary != NULL)
591 drm_core_ioremapfree( dev->agp_buffer_map, dev ); 927 && (dev_priv->primary->type != _DRM_CONSISTENT))
928 drm_core_ioremapfree(dev_priv->primary, dev);
592 929
593 if ( dev_priv->head != NULL ) { 930 if (dev->agp_buffer_map != NULL)
594 mga_freelist_cleanup( dev ); 931 drm_core_ioremapfree(dev->agp_buffer_map, dev);
932
933 if (dev_priv->used_new_dma_init) {
934 if (dev_priv->agp_mem != NULL) {
935 dev_priv->agp_textures = NULL;
936 drm_unbind_agp(dev_priv->agp_mem);
937
938 drm_free_agp(dev_priv->agp_mem, dev_priv->agp_pages);
939 dev_priv->agp_pages = 0;
940 dev_priv->agp_mem = NULL;
941 }
942
943 if ((dev->agp != NULL) && dev->agp->acquired) {
944 err = drm_agp_release(dev);
945 }
946
947 dev_priv->used_new_dma_init = 0;
595 } 948 }
596 949
597 drm_free( dev->dev_private, sizeof(drm_mga_private_t), 950 dev_priv->warp = NULL;
598 DRM_MEM_DRIVER ); 951 dev_priv->primary = NULL;
599 dev->dev_private = NULL; 952 dev_priv->mmio = NULL;
953 dev_priv->status = NULL;
954 dev_priv->sarea = NULL;
955 dev_priv->sarea_priv = NULL;
956 dev->agp_buffer_map = NULL;
957
958 memset(&dev_priv->prim, 0, sizeof(dev_priv->prim));
959 dev_priv->warp_pipe = 0;
960 memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
961
962 if (dev_priv->head != NULL) {
963 mga_freelist_cleanup(dev);
964 }
600 } 965 }
601 966
602 return 0; 967 return 0;
@@ -606,14 +971,20 @@ int mga_dma_init( DRM_IOCTL_ARGS )
606{ 971{
607 DRM_DEVICE; 972 DRM_DEVICE;
608 drm_mga_init_t init; 973 drm_mga_init_t init;
974 int err;
609 975
610 LOCK_TEST_WITH_RETURN( dev, filp ); 976 LOCK_TEST_WITH_RETURN( dev, filp );
611 977
612 DRM_COPY_FROM_USER_IOCTL( init, (drm_mga_init_t __user *)data, sizeof(init) ); 978 DRM_COPY_FROM_USER_IOCTL(init, (drm_mga_init_t __user *) data,
979 sizeof(init));
613 980
614 switch ( init.func ) { 981 switch ( init.func ) {
615 case MGA_INIT_DMA: 982 case MGA_INIT_DMA:
616 return mga_do_init_dma( dev, &init ); 983 err = mga_do_init_dma(dev, &init);
984 if (err) {
985 (void) mga_do_cleanup_dma(dev);
986 }
987 return err;
617 case MGA_CLEANUP_DMA: 988 case MGA_CLEANUP_DMA:
618 return mga_do_cleanup_dma( dev ); 989 return mga_do_cleanup_dma( dev );
619 } 990 }
@@ -742,7 +1113,21 @@ int mga_dma_buffers( DRM_IOCTL_ARGS )
742 return ret; 1113 return ret;
743} 1114}
744 1115
745void mga_driver_pretakedown(drm_device_t *dev) 1116/**
1117 * Called just before the module is unloaded.
1118 */
1119int mga_driver_postcleanup(drm_device_t * dev)
1120{
1121 drm_free(dev->dev_private, sizeof(drm_mga_private_t), DRM_MEM_DRIVER);
1122 dev->dev_private = NULL;
1123
1124 return 0;
1125}
1126
1127/**
1128 * Called when the last opener of the device is closed.
1129 */
1130void mga_driver_pretakedown(drm_device_t * dev)
746{ 1131{
747 mga_do_cleanup_dma( dev ); 1132 mga_do_cleanup_dma( dev );
748} 1133}
diff --git a/drivers/char/drm/mga_drm.h b/drivers/char/drm/mga_drm.h
index 521d4451d012..2d8aa790379e 100644
--- a/drivers/char/drm/mga_drm.h
+++ b/drivers/char/drm/mga_drm.h
@@ -73,7 +73,8 @@
73 73
74#define MGA_CARD_TYPE_G200 1 74#define MGA_CARD_TYPE_G200 1
75#define MGA_CARD_TYPE_G400 2 75#define MGA_CARD_TYPE_G400 2
76 76#define MGA_CARD_TYPE_G450 3 /* not currently used */
77#define MGA_CARD_TYPE_G550 4
77 78
78#define MGA_FRONT 0x1 79#define MGA_FRONT 0x1
79#define MGA_BACK 0x2 80#define MGA_BACK 0x2
@@ -225,10 +226,6 @@ typedef struct _drm_mga_sarea {
225} drm_mga_sarea_t; 226} drm_mga_sarea_t;
226 227
227 228
228/* WARNING: If you change any of these defines, make sure to change the
229 * defines in the Xserver file (xf86drmMga.h)
230 */
231
232/* MGA specific ioctls 229/* MGA specific ioctls
233 * The device specific ioctl range is 0x40 to 0x79. 230 * The device specific ioctl range is 0x40 to 0x79.
234 */ 231 */
@@ -243,6 +240,14 @@ typedef struct _drm_mga_sarea {
243#define DRM_MGA_BLIT 0x08 240#define DRM_MGA_BLIT 0x08
244#define DRM_MGA_GETPARAM 0x09 241#define DRM_MGA_GETPARAM 0x09
245 242
243/* 3.2:
244 * ioctls for operating on fences.
245 */
246#define DRM_MGA_SET_FENCE 0x0a
247#define DRM_MGA_WAIT_FENCE 0x0b
248#define DRM_MGA_DMA_BOOTSTRAP 0x0c
249
250
246#define DRM_IOCTL_MGA_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INIT, drm_mga_init_t) 251#define DRM_IOCTL_MGA_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INIT, drm_mga_init_t)
247#define DRM_IOCTL_MGA_FLUSH DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, drm_lock_t) 252#define DRM_IOCTL_MGA_FLUSH DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, drm_lock_t)
248#define DRM_IOCTL_MGA_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MGA_RESET) 253#define DRM_IOCTL_MGA_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MGA_RESET)
@@ -253,6 +258,9 @@ typedef struct _drm_mga_sarea {
253#define DRM_IOCTL_MGA_ILOAD DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_ILOAD, drm_mga_iload_t) 258#define DRM_IOCTL_MGA_ILOAD DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_ILOAD, drm_mga_iload_t)
254#define DRM_IOCTL_MGA_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_BLIT, drm_mga_blit_t) 259#define DRM_IOCTL_MGA_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_BLIT, drm_mga_blit_t)
255#define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_GETPARAM, drm_mga_getparam_t) 260#define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_GETPARAM, drm_mga_getparam_t)
261#define DRM_IOCTL_MGA_SET_FENCE DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_SET_FENCE, uint32_t)
262#define DRM_IOCTL_MGA_WAIT_FENCE DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_WAIT_FENCE, uint32_t)
263#define DRM_IOCTL_MGA_DMA_BOOTSTRAP DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_DMA_BOOTSTRAP, drm_mga_dma_bootstrap_t)
256 264
257typedef struct _drm_mga_warp_index { 265typedef struct _drm_mga_warp_index {
258 int installed; 266 int installed;
@@ -291,12 +299,72 @@ typedef struct drm_mga_init {
291 unsigned long buffers_offset; 299 unsigned long buffers_offset;
292} drm_mga_init_t; 300} drm_mga_init_t;
293 301
294typedef struct drm_mga_fullscreen { 302typedef struct drm_mga_dma_bootstrap {
295 enum { 303 /**
296 MGA_INIT_FULLSCREEN = 0x01, 304 * \name AGP texture region
297 MGA_CLEANUP_FULLSCREEN = 0x02 305 *
298 } func; 306 * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, these fields will
299} drm_mga_fullscreen_t; 307 * be filled in with the actual AGP texture settings.
308 *
309 * \warning
310 * If these fields are non-zero, but dma_mga_dma_bootstrap::agp_mode
311 * is zero, it means that PCI memory (most likely through the use of
312 * an IOMMU) is being used for "AGP" textures.
313 */
314 /*@{*/
315 drm_handle_t texture_handle; /**< Handle used to map AGP textures. */
316 uint32_t texture_size; /**< Size of the AGP texture region. */
317 /*@}*/
318
319
320 /**
321 * Requested size of the primary DMA region.
322 *
323 * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
324 * filled in with the actual AGP mode. If AGP was not available
325 */
326 uint32_t primary_size;
327
328
329 /**
330 * Requested number of secondary DMA buffers.
331 *
332 * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
333 * filled in with the actual number of secondary DMA buffers
334 * allocated. Particularly when PCI DMA is used, this may be
335 * (subtantially) less than the number requested.
336 */
337 uint32_t secondary_bin_count;
338
339
340 /**
341 * Requested size of each secondary DMA buffer.
342 *
343 * While the kernel \b is free to reduce
344 * dma_mga_dma_bootstrap::secondary_bin_count, it is \b not allowed
345 * to reduce dma_mga_dma_bootstrap::secondary_bin_size.
346 */
347 uint32_t secondary_bin_size;
348
349
350 /**
351 * Bit-wise mask of AGPSTAT2_* values. Currently only \c AGPSTAT2_1X,
352 * \c AGPSTAT2_2X, and \c AGPSTAT2_4X are supported. If this value is
353 * zero, it means that PCI DMA should be used, even if AGP is
354 * possible.
355 *
356 * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
357 * filled in with the actual AGP mode. If AGP was not available
358 * (i.e., PCI DMA was used), this value will be zero.
359 */
360 uint32_t agp_mode;
361
362
363 /**
364 * Desired AGP GART size, measured in megabytes.
365 */
366 uint8_t agp_size;
367} drm_mga_dma_bootstrap_t;
300 368
301typedef struct drm_mga_clear { 369typedef struct drm_mga_clear {
302 unsigned int flags; 370 unsigned int flags;
@@ -341,6 +409,14 @@ typedef struct _drm_mga_blit {
341 */ 409 */
342#define MGA_PARAM_IRQ_NR 1 410#define MGA_PARAM_IRQ_NR 1
343 411
412/* 3.2: Query the actual card type. The DDX only distinguishes between
413 * G200 chips and non-G200 chips, which it calls G400. It turns out that
414 * there are some very sublte differences between the G4x0 chips and the G550
415 * chips. Using this parameter query, a client-side driver can detect the
416 * difference between a G4x0 and a G550.
417 */
418#define MGA_PARAM_CARD_TYPE 2
419
344typedef struct drm_mga_getparam { 420typedef struct drm_mga_getparam {
345 int param; 421 int param;
346 void __user *value; 422 void __user *value;
diff --git a/drivers/char/drm/mga_drv.c b/drivers/char/drm/mga_drv.c
index 844cca9cb29d..daabbba3b297 100644
--- a/drivers/char/drm/mga_drv.c
+++ b/drivers/char/drm/mga_drv.c
@@ -38,8 +38,15 @@
38 38
39#include "drm_pciids.h" 39#include "drm_pciids.h"
40 40
41static int mga_driver_device_is_agp(drm_device_t * dev);
41static int postinit( struct drm_device *dev, unsigned long flags ) 42static int postinit( struct drm_device *dev, unsigned long flags )
42{ 43{
44 drm_mga_private_t * const dev_priv =
45 (drm_mga_private_t *) dev->dev_private;
46
47 dev_priv->mmio_base = pci_resource_start(dev->pdev, 1);
48 dev_priv->mmio_size = pci_resource_len(dev->pdev, 1);
49
43 dev->counters += 3; 50 dev->counters += 3;
44 dev->types[6] = _DRM_STAT_IRQ; 51 dev->types[6] = _DRM_STAT_IRQ;
45 dev->types[7] = _DRM_STAT_PRIMARY; 52 dev->types[7] = _DRM_STAT_PRIMARY;
@@ -79,8 +86,11 @@ extern int mga_max_ioctl;
79 86
80static struct drm_driver driver = { 87static struct drm_driver driver = {
81 .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, 88 .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
89 .preinit = mga_driver_preinit,
90 .postcleanup = mga_driver_postcleanup,
82 .pretakedown = mga_driver_pretakedown, 91 .pretakedown = mga_driver_pretakedown,
83 .dma_quiescent = mga_driver_dma_quiescent, 92 .dma_quiescent = mga_driver_dma_quiescent,
93 .device_is_agp = mga_driver_device_is_agp,
84 .vblank_wait = mga_driver_vblank_wait, 94 .vblank_wait = mga_driver_vblank_wait,
85 .irq_preinstall = mga_driver_irq_preinstall, 95 .irq_preinstall = mga_driver_irq_preinstall,
86 .irq_postinstall = mga_driver_irq_postinstall, 96 .irq_postinstall = mga_driver_irq_postinstall,
@@ -128,3 +138,38 @@ module_exit(mga_exit);
128MODULE_AUTHOR( DRIVER_AUTHOR ); 138MODULE_AUTHOR( DRIVER_AUTHOR );
129MODULE_DESCRIPTION( DRIVER_DESC ); 139MODULE_DESCRIPTION( DRIVER_DESC );
130MODULE_LICENSE("GPL and additional rights"); 140MODULE_LICENSE("GPL and additional rights");
141
142/**
143 * Determine if the device really is AGP or not.
144 *
145 * In addition to the usual tests performed by \c drm_device_is_agp, this
146 * function detects PCI G450 cards that appear to the system exactly like
147 * AGP G450 cards.
148 *
149 * \param dev The device to be tested.
150 *
151 * \returns
152 * If the device is a PCI G450, zero is returned. Otherwise 2 is returned.
153 */
154int mga_driver_device_is_agp(drm_device_t * dev)
155{
156 const struct pci_dev * const pdev = dev->pdev;
157
158
159 /* There are PCI versions of the G450. These cards have the
160 * same PCI ID as the AGP G450, but have an additional PCI-to-PCI
161 * bridge chip. We detect these cards, which are not currently
162 * supported by this driver, by looking at the device ID of the
163 * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the
164 * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the
165 * device.
166 */
167
168 if ( (pdev->device == 0x0525)
169 && (pdev->bus->self->vendor == 0x3388)
170 && (pdev->bus->self->device == 0x0021) ) {
171 return 0;
172 }
173
174 return 2;
175}
diff --git a/drivers/char/drm/mga_drv.h b/drivers/char/drm/mga_drv.h
index 9412e2816eb7..b22fdbd4f830 100644
--- a/drivers/char/drm/mga_drv.h
+++ b/drivers/char/drm/mga_drv.h
@@ -38,10 +38,10 @@
38 38
39#define DRIVER_NAME "mga" 39#define DRIVER_NAME "mga"
40#define DRIVER_DESC "Matrox G200/G400" 40#define DRIVER_DESC "Matrox G200/G400"
41#define DRIVER_DATE "20021029" 41#define DRIVER_DATE "20050607"
42 42
43#define DRIVER_MAJOR 3 43#define DRIVER_MAJOR 3
44#define DRIVER_MINOR 1 44#define DRIVER_MINOR 2
45#define DRIVER_PATCHLEVEL 0 45#define DRIVER_PATCHLEVEL 0
46 46
47typedef struct drm_mga_primary_buffer { 47typedef struct drm_mga_primary_buffer {
@@ -87,9 +87,43 @@ typedef struct drm_mga_private {
87 int chipset; 87 int chipset;
88 int usec_timeout; 88 int usec_timeout;
89 89
90 /**
91 * If set, the new DMA initialization sequence was used. This is
92 * primarilly used to select how the driver should uninitialized its
93 * internal DMA structures.
94 */
95 int used_new_dma_init;
96
97 /**
98 * If AGP memory is used for DMA buffers, this will be the value
99 * \c MGA_PAGPXFER. Otherwise, it will be zero (for a PCI transfer).
100 */
101 u32 dma_access;
102
103 /**
104 * If AGP memory is used for DMA buffers, this will be the value
105 * \c MGA_WAGP_ENABLE. Otherwise, it will be zero (for a PCI
106 * transfer).
107 */
108 u32 wagp_enable;
109
110 /**
111 * \name MMIO region parameters.
112 *
113 * \sa drm_mga_private_t::mmio
114 */
115 /*@{*/
116 u32 mmio_base; /**< Bus address of base of MMIO. */
117 u32 mmio_size; /**< Size of the MMIO region. */
118 /*@}*/
119
90 u32 clear_cmd; 120 u32 clear_cmd;
91 u32 maccess; 121 u32 maccess;
92 122
123 wait_queue_head_t fence_queue;
124 atomic_t last_fence_retired;
125 u32 next_fence_to_post;
126
93 unsigned int fb_cpp; 127 unsigned int fb_cpp;
94 unsigned int front_offset; 128 unsigned int front_offset;
95 unsigned int front_pitch; 129 unsigned int front_pitch;
@@ -108,35 +142,43 @@ typedef struct drm_mga_private {
108 drm_local_map_t *status; 142 drm_local_map_t *status;
109 drm_local_map_t *warp; 143 drm_local_map_t *warp;
110 drm_local_map_t *primary; 144 drm_local_map_t *primary;
111 drm_local_map_t *buffers;
112 drm_local_map_t *agp_textures; 145 drm_local_map_t *agp_textures;
146
147 DRM_AGP_MEM *agp_mem;
148 unsigned int agp_pages;
113} drm_mga_private_t; 149} drm_mga_private_t;
114 150
115 /* mga_dma.c */ 151 /* mga_dma.c */
116extern int mga_dma_init( DRM_IOCTL_ARGS ); 152extern int mga_driver_preinit(drm_device_t * dev, unsigned long flags);
117extern int mga_dma_flush( DRM_IOCTL_ARGS ); 153extern int mga_dma_bootstrap(DRM_IOCTL_ARGS);
118extern int mga_dma_reset( DRM_IOCTL_ARGS ); 154extern int mga_dma_init(DRM_IOCTL_ARGS);
119extern int mga_dma_buffers( DRM_IOCTL_ARGS ); 155extern int mga_dma_flush(DRM_IOCTL_ARGS);
120extern void mga_driver_pretakedown(drm_device_t *dev); 156extern int mga_dma_reset(DRM_IOCTL_ARGS);
121extern int mga_driver_dma_quiescent(drm_device_t *dev); 157extern int mga_dma_buffers(DRM_IOCTL_ARGS);
122 158extern int mga_driver_postcleanup(drm_device_t * dev);
123extern int mga_do_wait_for_idle( drm_mga_private_t *dev_priv ); 159extern void mga_driver_pretakedown(drm_device_t * dev);
124 160extern int mga_driver_dma_quiescent(drm_device_t * dev);
125extern void mga_do_dma_flush( drm_mga_private_t *dev_priv ); 161
126extern void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv ); 162extern int mga_do_wait_for_idle(drm_mga_private_t * dev_priv);
127extern void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv ); 163
164extern void mga_do_dma_flush(drm_mga_private_t * dev_priv);
165extern void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv);
166extern void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv);
128 167
129extern int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf ); 168extern int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf );
130 169
131 /* mga_warp.c */ 170 /* mga_warp.c */
132extern int mga_warp_install_microcode( drm_mga_private_t *dev_priv ); 171extern unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv);
133extern int mga_warp_init( drm_mga_private_t *dev_priv ); 172extern int mga_warp_install_microcode(drm_mga_private_t * dev_priv);
134 173extern int mga_warp_init(drm_mga_private_t * dev_priv);
135extern int mga_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence); 174
136extern irqreturn_t mga_driver_irq_handler( DRM_IRQ_ARGS ); 175 /* mga_irq.c */
137extern void mga_driver_irq_preinstall( drm_device_t *dev ); 176extern int mga_driver_fence_wait(drm_device_t * dev, unsigned int *sequence);
138extern void mga_driver_irq_postinstall( drm_device_t *dev ); 177extern int mga_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);
139extern void mga_driver_irq_uninstall( drm_device_t *dev ); 178extern irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS);
179extern void mga_driver_irq_preinstall(drm_device_t * dev);
180extern void mga_driver_irq_postinstall(drm_device_t * dev);
181extern void mga_driver_irq_uninstall(drm_device_t * dev);
140extern long mga_compat_ioctl(struct file *filp, unsigned int cmd, 182extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
141 unsigned long arg); 183 unsigned long arg);
142 184
@@ -527,6 +569,12 @@ do { \
527 */ 569 */
528#define MGA_EXEC 0x0100 570#define MGA_EXEC 0x0100
529 571
572/* AGP PLL encoding (for G200 only).
573 */
574#define MGA_AGP_PLL 0x1e4c
575# define MGA_AGP2XPLL_DISABLE (0 << 0)
576# define MGA_AGP2XPLL_ENABLE (1 << 0)
577
530/* Warp registers 578/* Warp registers
531 */ 579 */
532#define MGA_WR0 0x2d00 580#define MGA_WR0 0x2d00
diff --git a/drivers/char/drm/mga_irq.c b/drivers/char/drm/mga_irq.c
index bc0b6b5d43a6..52eaa4e788f9 100644
--- a/drivers/char/drm/mga_irq.c
+++ b/drivers/char/drm/mga_irq.c
@@ -41,15 +41,40 @@ irqreturn_t mga_driver_irq_handler( DRM_IRQ_ARGS )
41 drm_mga_private_t *dev_priv = 41 drm_mga_private_t *dev_priv =
42 (drm_mga_private_t *)dev->dev_private; 42 (drm_mga_private_t *)dev->dev_private;
43 int status; 43 int status;
44 int handled = 0;
45
46 status = MGA_READ(MGA_STATUS);
44 47
45 status = MGA_READ( MGA_STATUS );
46
47 /* VBLANK interrupt */ 48 /* VBLANK interrupt */
48 if ( status & MGA_VLINEPEN ) { 49 if ( status & MGA_VLINEPEN ) {
49 MGA_WRITE( MGA_ICLEAR, MGA_VLINEICLR ); 50 MGA_WRITE( MGA_ICLEAR, MGA_VLINEICLR );
50 atomic_inc(&dev->vbl_received); 51 atomic_inc(&dev->vbl_received);
51 DRM_WAKEUP(&dev->vbl_queue); 52 DRM_WAKEUP(&dev->vbl_queue);
52 drm_vbl_send_signals( dev ); 53 drm_vbl_send_signals(dev);
54 handled = 1;
55 }
56
57 /* SOFTRAP interrupt */
58 if (status & MGA_SOFTRAPEN) {
59 const u32 prim_start = MGA_READ(MGA_PRIMADDRESS);
60 const u32 prim_end = MGA_READ(MGA_PRIMEND);
61
62
63 MGA_WRITE(MGA_ICLEAR, MGA_SOFTRAPICLR);
64
65 /* In addition to clearing the interrupt-pending bit, we
66 * have to write to MGA_PRIMEND to re-start the DMA operation.
67 */
68 if ( (prim_start & ~0x03) != (prim_end & ~0x03) ) {
69 MGA_WRITE(MGA_PRIMEND, prim_end);
70 }
71
72 atomic_inc(&dev_priv->last_fence_retired);
73 DRM_WAKEUP(&dev_priv->fence_queue);
74 handled = 1;
75 }
76
77 if ( handled ) {
53 return IRQ_HANDLED; 78 return IRQ_HANDLED;
54 } 79 }
55 return IRQ_NONE; 80 return IRQ_NONE;
@@ -73,9 +98,28 @@ int mga_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
73 return ret; 98 return ret;
74} 99}
75 100
76void mga_driver_irq_preinstall( drm_device_t *dev ) { 101int mga_driver_fence_wait(drm_device_t * dev, unsigned int *sequence)
77 drm_mga_private_t *dev_priv = 102{
78 (drm_mga_private_t *)dev->dev_private; 103 drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
104 unsigned int cur_fence;
105 int ret = 0;
106
107 /* Assume that the user has missed the current sequence number
108 * by about a day rather than she wants to wait for years
109 * using fences.
110 */
111 DRM_WAIT_ON(ret, dev_priv->fence_queue, 3 * DRM_HZ,
112 (((cur_fence = atomic_read(&dev_priv->last_fence_retired))
113 - *sequence) <= (1 << 23)));
114
115 *sequence = cur_fence;
116
117 return ret;
118}
119
120void mga_driver_irq_preinstall(drm_device_t * dev)
121{
122 drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
79 123
80 /* Disable *all* interrupts */ 124 /* Disable *all* interrupts */
81 MGA_WRITE( MGA_IEN, 0 ); 125 MGA_WRITE( MGA_IEN, 0 );
@@ -83,12 +127,14 @@ void mga_driver_irq_preinstall( drm_device_t *dev ) {
83 MGA_WRITE( MGA_ICLEAR, ~0 ); 127 MGA_WRITE( MGA_ICLEAR, ~0 );
84} 128}
85 129
86void mga_driver_irq_postinstall( drm_device_t *dev ) { 130void mga_driver_irq_postinstall(drm_device_t * dev)
87 drm_mga_private_t *dev_priv = 131{
88 (drm_mga_private_t *)dev->dev_private; 132 drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
133
134 DRM_INIT_WAITQUEUE( &dev_priv->fence_queue );
89 135
90 /* Turn on VBL interrupt */ 136 /* Turn on vertical blank interrupt and soft trap interrupt. */
91 MGA_WRITE( MGA_IEN, MGA_VLINEIEN ); 137 MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN);
92} 138}
93 139
94void mga_driver_irq_uninstall( drm_device_t *dev ) { 140void mga_driver_irq_uninstall( drm_device_t *dev ) {
@@ -98,5 +144,7 @@ void mga_driver_irq_uninstall( drm_device_t *dev ) {
98 return; 144 return;
99 145
100 /* Disable *all* interrupts */ 146 /* Disable *all* interrupts */
101 MGA_WRITE( MGA_IEN, 0 ); 147 MGA_WRITE(MGA_IEN, 0);
148
149 dev->irq_enabled = 0;
102} 150}
diff --git a/drivers/char/drm/mga_state.c b/drivers/char/drm/mga_state.c
index 3c7a8f5ba501..05bbb4719376 100644
--- a/drivers/char/drm/mga_state.c
+++ b/drivers/char/drm/mga_state.c
@@ -53,16 +53,16 @@ static void mga_emit_clip_rect( drm_mga_private_t *dev_priv,
53 53
54 /* Force reset of DWGCTL on G400 (eliminates clip disable bit). 54 /* Force reset of DWGCTL on G400 (eliminates clip disable bit).
55 */ 55 */
56 if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { 56 if (dev_priv->chipset == MGA_CARD_TYPE_G400) {
57 DMA_BLOCK( MGA_DWGCTL, ctx->dwgctl, 57 DMA_BLOCK(MGA_DWGCTL, ctx->dwgctl,
58 MGA_LEN + MGA_EXEC, 0x80000000, 58 MGA_LEN + MGA_EXEC, 0x80000000,
59 MGA_DWGCTL, ctx->dwgctl, 59 MGA_DWGCTL, ctx->dwgctl,
60 MGA_LEN + MGA_EXEC, 0x80000000 ); 60 MGA_LEN + MGA_EXEC, 0x80000000);
61 } 61 }
62 DMA_BLOCK( MGA_DMAPAD, 0x00000000, 62 DMA_BLOCK(MGA_DMAPAD, 0x00000000,
63 MGA_CXBNDRY, (box->x2 << 16) | box->x1, 63 MGA_CXBNDRY, ((box->x2 - 1) << 16) | box->x1,
64 MGA_YTOP, box->y1 * pitch, 64 MGA_YTOP, box->y1 * pitch,
65 MGA_YBOT, box->y2 * pitch ); 65 MGA_YBOT, (box->y2 - 1) * pitch);
66 66
67 ADVANCE_DMA(); 67 ADVANCE_DMA();
68} 68}
@@ -260,12 +260,11 @@ static __inline__ void mga_g200_emit_pipe( drm_mga_private_t *dev_priv )
260 260
261 /* Padding required to to hardware bug. 261 /* Padding required to to hardware bug.
262 */ 262 */
263 DMA_BLOCK( MGA_DMAPAD, 0xffffffff, 263 DMA_BLOCK(MGA_DMAPAD, 0xffffffff,
264 MGA_DMAPAD, 0xffffffff, 264 MGA_DMAPAD, 0xffffffff,
265 MGA_DMAPAD, 0xffffffff, 265 MGA_DMAPAD, 0xffffffff,
266 MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] | 266 MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] |
267 MGA_WMODE_START | 267 MGA_WMODE_START | dev_priv->wagp_enable));
268 MGA_WAGP_ENABLE) );
269 268
270 ADVANCE_DMA(); 269 ADVANCE_DMA();
271} 270}
@@ -342,12 +341,11 @@ static __inline__ void mga_g400_emit_pipe( drm_mga_private_t *dev_priv )
342 MGA_WR60, MGA_G400_WR_MAGIC ); /* tex1 height */ 341 MGA_WR60, MGA_G400_WR_MAGIC ); /* tex1 height */
343 342
344 /* Padding required to to hardware bug */ 343 /* Padding required to to hardware bug */
345 DMA_BLOCK( MGA_DMAPAD, 0xffffffff, 344 DMA_BLOCK(MGA_DMAPAD, 0xffffffff,
346 MGA_DMAPAD, 0xffffffff, 345 MGA_DMAPAD, 0xffffffff,
347 MGA_DMAPAD, 0xffffffff, 346 MGA_DMAPAD, 0xffffffff,
348 MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] | 347 MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] |
349 MGA_WMODE_START | 348 MGA_WMODE_START | dev_priv->wagp_enable));
350 MGA_WAGP_ENABLE) );
351 349
352 ADVANCE_DMA(); 350 ADVANCE_DMA();
353} 351}
@@ -459,9 +457,9 @@ static int mga_verify_state( drm_mga_private_t *dev_priv )
459 if ( dirty & MGA_UPLOAD_TEX0 ) 457 if ( dirty & MGA_UPLOAD_TEX0 )
460 ret |= mga_verify_tex( dev_priv, 0 ); 458 ret |= mga_verify_tex( dev_priv, 0 );
461 459
462 if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { 460 if (dev_priv->chipset >= MGA_CARD_TYPE_G400) {
463 if ( dirty & MGA_UPLOAD_TEX1 ) 461 if (dirty & MGA_UPLOAD_TEX1)
464 ret |= mga_verify_tex( dev_priv, 1 ); 462 ret |= mga_verify_tex(dev_priv, 1);
465 463
466 if ( dirty & MGA_UPLOAD_PIPE ) 464 if ( dirty & MGA_UPLOAD_PIPE )
467 ret |= ( sarea_priv->warp_pipe > MGA_MAX_G400_PIPES ); 465 ret |= ( sarea_priv->warp_pipe > MGA_MAX_G400_PIPES );
@@ -686,12 +684,12 @@ static void mga_dma_dispatch_vertex( drm_device_t *dev, drm_buf_t *buf )
686 684
687 BEGIN_DMA( 1 ); 685 BEGIN_DMA( 1 );
688 686
689 DMA_BLOCK( MGA_DMAPAD, 0x00000000, 687 DMA_BLOCK(MGA_DMAPAD, 0x00000000,
690 MGA_DMAPAD, 0x00000000, 688 MGA_DMAPAD, 0x00000000,
691 MGA_SECADDRESS, (address | 689 MGA_SECADDRESS, (address |
692 MGA_DMA_VERTEX), 690 MGA_DMA_VERTEX),
693 MGA_SECEND, ((address + length) | 691 MGA_SECEND, ((address + length) |
694 MGA_PAGPXFER) ); 692 dev_priv->dma_access));
695 693
696 ADVANCE_DMA(); 694 ADVANCE_DMA();
697 } while ( ++i < sarea_priv->nbox ); 695 } while ( ++i < sarea_priv->nbox );
@@ -733,11 +731,11 @@ static void mga_dma_dispatch_indices( drm_device_t *dev, drm_buf_t *buf,
733 731
734 BEGIN_DMA( 1 ); 732 BEGIN_DMA( 1 );
735 733
736 DMA_BLOCK( MGA_DMAPAD, 0x00000000, 734 DMA_BLOCK(MGA_DMAPAD, 0x00000000,
737 MGA_DMAPAD, 0x00000000, 735 MGA_DMAPAD, 0x00000000,
738 MGA_SETUPADDRESS, address + start, 736 MGA_SETUPADDRESS, address + start,
739 MGA_SETUPEND, ((address + end) | 737 MGA_SETUPEND, ((address + end) |
740 MGA_PAGPXFER) ); 738 dev_priv->dma_access));
741 739
742 ADVANCE_DMA(); 740 ADVANCE_DMA();
743 } while ( ++i < sarea_priv->nbox ); 741 } while ( ++i < sarea_priv->nbox );
@@ -764,7 +762,7 @@ static void mga_dma_dispatch_iload( drm_device_t *dev, drm_buf_t *buf,
764 drm_mga_private_t *dev_priv = dev->dev_private; 762 drm_mga_private_t *dev_priv = dev->dev_private;
765 drm_mga_buf_priv_t *buf_priv = buf->dev_private; 763 drm_mga_buf_priv_t *buf_priv = buf->dev_private;
766 drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state; 764 drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state;
767 u32 srcorg = buf->bus_address | MGA_SRCACC_AGP | MGA_SRCMAP_SYSMEM; 765 u32 srcorg = buf->bus_address | dev_priv->dma_access | MGA_SRCMAP_SYSMEM;
768 u32 y2; 766 u32 y2;
769 DMA_LOCALS; 767 DMA_LOCALS;
770 DRM_DEBUG( "buf=%d used=%d\n", buf->idx, buf->used ); 768 DRM_DEBUG( "buf=%d used=%d\n", buf->idx, buf->used );
@@ -1095,6 +1093,9 @@ static int mga_getparam( DRM_IOCTL_ARGS )
1095 case MGA_PARAM_IRQ_NR: 1093 case MGA_PARAM_IRQ_NR:
1096 value = dev->irq; 1094 value = dev->irq;
1097 break; 1095 break;
1096 case MGA_PARAM_CARD_TYPE:
1097 value = dev_priv->chipset;
1098 break;
1098 default: 1099 default:
1099 return DRM_ERR(EINVAL); 1100 return DRM_ERR(EINVAL);
1100 } 1101 }
@@ -1107,17 +1108,82 @@ static int mga_getparam( DRM_IOCTL_ARGS )
1107 return 0; 1108 return 0;
1108} 1109}
1109 1110
1111static int mga_set_fence(DRM_IOCTL_ARGS)
1112{
1113 DRM_DEVICE;
1114 drm_mga_private_t *dev_priv = dev->dev_private;
1115 u32 temp;
1116 DMA_LOCALS;
1117
1118 if (!dev_priv) {
1119 DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
1120 return DRM_ERR(EINVAL);
1121 }
1122
1123 DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
1124
1125 /* I would normal do this assignment in the declaration of temp,
1126 * but dev_priv may be NULL.
1127 */
1128
1129 temp = dev_priv->next_fence_to_post;
1130 dev_priv->next_fence_to_post++;
1131
1132 BEGIN_DMA(1);
1133 DMA_BLOCK(MGA_DMAPAD, 0x00000000,
1134 MGA_DMAPAD, 0x00000000,
1135 MGA_DMAPAD, 0x00000000,
1136 MGA_SOFTRAP, 0x00000000);
1137 ADVANCE_DMA();
1138
1139 if (DRM_COPY_TO_USER( (u32 __user *) data, & temp, sizeof(u32))) {
1140 DRM_ERROR("copy_to_user\n");
1141 return DRM_ERR(EFAULT);
1142 }
1143
1144 return 0;
1145}
1146
1147static int mga_wait_fence(DRM_IOCTL_ARGS)
1148{
1149 DRM_DEVICE;
1150 drm_mga_private_t *dev_priv = dev->dev_private;
1151 u32 fence;
1152
1153 if (!dev_priv) {
1154 DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
1155 return DRM_ERR(EINVAL);
1156 }
1157
1158 DRM_COPY_FROM_USER_IOCTL(fence, (u32 __user *) data, sizeof(u32));
1159
1160 DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
1161
1162 mga_driver_fence_wait(dev, & fence);
1163
1164 if (DRM_COPY_TO_USER( (u32 __user *) data, & fence, sizeof(u32))) {
1165 DRM_ERROR("copy_to_user\n");
1166 return DRM_ERR(EFAULT);
1167 }
1168
1169 return 0;
1170}
1171
1110drm_ioctl_desc_t mga_ioctls[] = { 1172drm_ioctl_desc_t mga_ioctls[] = {
1111 [DRM_IOCTL_NR(DRM_MGA_INIT)] = { mga_dma_init, 1, 1 }, 1173 [DRM_IOCTL_NR(DRM_MGA_INIT)] = {mga_dma_init, 1, 1},
1112 [DRM_IOCTL_NR(DRM_MGA_FLUSH)] = { mga_dma_flush, 1, 0 }, 1174 [DRM_IOCTL_NR(DRM_MGA_FLUSH)] = {mga_dma_flush, 1, 0},
1113 [DRM_IOCTL_NR(DRM_MGA_RESET)] = { mga_dma_reset, 1, 0 }, 1175 [DRM_IOCTL_NR(DRM_MGA_RESET)] = {mga_dma_reset, 1, 0},
1114 [DRM_IOCTL_NR(DRM_MGA_SWAP)] = { mga_dma_swap, 1, 0 }, 1176 [DRM_IOCTL_NR(DRM_MGA_SWAP)] = {mga_dma_swap, 1, 0},
1115 [DRM_IOCTL_NR(DRM_MGA_CLEAR)] = { mga_dma_clear, 1, 0 }, 1177 [DRM_IOCTL_NR(DRM_MGA_CLEAR)] = {mga_dma_clear, 1, 0},
1116 [DRM_IOCTL_NR(DRM_MGA_VERTEX)] = { mga_dma_vertex, 1, 0 }, 1178 [DRM_IOCTL_NR(DRM_MGA_VERTEX)] = {mga_dma_vertex, 1, 0},
1117 [DRM_IOCTL_NR(DRM_MGA_INDICES)] = { mga_dma_indices, 1, 0 }, 1179 [DRM_IOCTL_NR(DRM_MGA_INDICES)] = {mga_dma_indices, 1, 0},
1118 [DRM_IOCTL_NR(DRM_MGA_ILOAD)] = { mga_dma_iload, 1, 0 }, 1180 [DRM_IOCTL_NR(DRM_MGA_ILOAD)] = {mga_dma_iload, 1, 0},
1119 [DRM_IOCTL_NR(DRM_MGA_BLIT)] = { mga_dma_blit, 1, 0 }, 1181 [DRM_IOCTL_NR(DRM_MGA_BLIT)] = {mga_dma_blit, 1, 0},
1120 [DRM_IOCTL_NR(DRM_MGA_GETPARAM)]= { mga_getparam, 1, 0 }, 1182 [DRM_IOCTL_NR(DRM_MGA_GETPARAM)] = {mga_getparam, 1, 0},
1183 [DRM_IOCTL_NR(DRM_MGA_SET_FENCE)] = {mga_set_fence, 1, 0},
1184 [DRM_IOCTL_NR(DRM_MGA_WAIT_FENCE)] = {mga_wait_fence, 1, 0},
1185 [DRM_IOCTL_NR(DRM_MGA_DMA_BOOTSTRAP)] = {mga_dma_bootstrap, 1, 1},
1186
1121}; 1187};
1122 1188
1123int mga_max_ioctl = DRM_ARRAY_SIZE(mga_ioctls); 1189int mga_max_ioctl = DRM_ARRAY_SIZE(mga_ioctls);
diff --git a/drivers/char/drm/mga_warp.c b/drivers/char/drm/mga_warp.c
index 0a3a0cc700dc..55ccc8a0ac29 100644
--- a/drivers/char/drm/mga_warp.c
+++ b/drivers/char/drm/mga_warp.c
@@ -48,65 +48,52 @@ do { \
48 vcbase += WARP_UCODE_SIZE( which ); \ 48 vcbase += WARP_UCODE_SIZE( which ); \
49} while (0) 49} while (0)
50 50
51 51static const unsigned int mga_warp_g400_microcode_size =
52static unsigned int mga_warp_g400_microcode_size( drm_mga_private_t *dev_priv ) 52 (WARP_UCODE_SIZE(warp_g400_tgz) +
53{ 53 WARP_UCODE_SIZE(warp_g400_tgza) +
54 unsigned int size; 54 WARP_UCODE_SIZE(warp_g400_tgzaf) +
55 55 WARP_UCODE_SIZE(warp_g400_tgzf) +
56 size = ( WARP_UCODE_SIZE( warp_g400_tgz ) + 56 WARP_UCODE_SIZE(warp_g400_tgzs) +
57 WARP_UCODE_SIZE( warp_g400_tgza ) + 57 WARP_UCODE_SIZE(warp_g400_tgzsa) +
58 WARP_UCODE_SIZE( warp_g400_tgzaf ) + 58 WARP_UCODE_SIZE(warp_g400_tgzsaf) +
59 WARP_UCODE_SIZE( warp_g400_tgzf ) + 59 WARP_UCODE_SIZE(warp_g400_tgzsf) +
60 WARP_UCODE_SIZE( warp_g400_tgzs ) + 60 WARP_UCODE_SIZE(warp_g400_t2gz) +
61 WARP_UCODE_SIZE( warp_g400_tgzsa ) + 61 WARP_UCODE_SIZE(warp_g400_t2gza) +
62 WARP_UCODE_SIZE( warp_g400_tgzsaf ) + 62 WARP_UCODE_SIZE(warp_g400_t2gzaf) +
63 WARP_UCODE_SIZE( warp_g400_tgzsf ) + 63 WARP_UCODE_SIZE(warp_g400_t2gzf) +
64 WARP_UCODE_SIZE( warp_g400_t2gz ) + 64 WARP_UCODE_SIZE(warp_g400_t2gzs) +
65 WARP_UCODE_SIZE( warp_g400_t2gza ) + 65 WARP_UCODE_SIZE(warp_g400_t2gzsa) +
66 WARP_UCODE_SIZE( warp_g400_t2gzaf ) + 66 WARP_UCODE_SIZE(warp_g400_t2gzsaf) +
67 WARP_UCODE_SIZE( warp_g400_t2gzf ) + 67 WARP_UCODE_SIZE(warp_g400_t2gzsf));
68 WARP_UCODE_SIZE( warp_g400_t2gzs ) + 68
69 WARP_UCODE_SIZE( warp_g400_t2gzsa ) + 69static const unsigned int mga_warp_g200_microcode_size =
70 WARP_UCODE_SIZE( warp_g400_t2gzsaf ) + 70 (WARP_UCODE_SIZE(warp_g200_tgz) +
71 WARP_UCODE_SIZE( warp_g400_t2gzsf ) ); 71 WARP_UCODE_SIZE(warp_g200_tgza) +
72 72 WARP_UCODE_SIZE(warp_g200_tgzaf) +
73 size = PAGE_ALIGN( size ); 73 WARP_UCODE_SIZE(warp_g200_tgzf) +
74 74 WARP_UCODE_SIZE(warp_g200_tgzs) +
75 DRM_DEBUG( "G400 ucode size = %d bytes\n", size ); 75 WARP_UCODE_SIZE(warp_g200_tgzsa) +
76 return size; 76 WARP_UCODE_SIZE(warp_g200_tgzsaf) +
77} 77 WARP_UCODE_SIZE(warp_g200_tgzsf));
78 78
79static unsigned int mga_warp_g200_microcode_size( drm_mga_private_t *dev_priv ) 79
80unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv)
80{ 81{
81 unsigned int size; 82 switch (dev_priv->chipset) {
82 83 case MGA_CARD_TYPE_G400:
83 size = ( WARP_UCODE_SIZE( warp_g200_tgz ) + 84 case MGA_CARD_TYPE_G550:
84 WARP_UCODE_SIZE( warp_g200_tgza ) + 85 return PAGE_ALIGN(mga_warp_g400_microcode_size);
85 WARP_UCODE_SIZE( warp_g200_tgzaf ) + 86 case MGA_CARD_TYPE_G200:
86 WARP_UCODE_SIZE( warp_g200_tgzf ) + 87 return PAGE_ALIGN(mga_warp_g200_microcode_size);
87 WARP_UCODE_SIZE( warp_g200_tgzs ) + 88 default:
88 WARP_UCODE_SIZE( warp_g200_tgzsa ) + 89 return 0;
89 WARP_UCODE_SIZE( warp_g200_tgzsaf ) + 90 }
90 WARP_UCODE_SIZE( warp_g200_tgzsf ) );
91
92 size = PAGE_ALIGN( size );
93
94 DRM_DEBUG( "G200 ucode size = %d bytes\n", size );
95 return size;
96} 91}
97 92
98static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv ) 93static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv )
99{ 94{
100 unsigned char *vcbase = dev_priv->warp->handle; 95 unsigned char *vcbase = dev_priv->warp->handle;
101 unsigned long pcbase = dev_priv->warp->offset; 96 unsigned long pcbase = dev_priv->warp->offset;
102 unsigned int size;
103
104 size = mga_warp_g400_microcode_size( dev_priv );
105 if ( size > dev_priv->warp->size ) {
106 DRM_ERROR( "microcode too large! (%u > %lu)\n",
107 size, dev_priv->warp->size );
108 return DRM_ERR(ENOMEM);
109 }
110 97
111 memset( dev_priv->warp_pipe_phys, 0, 98 memset( dev_priv->warp_pipe_phys, 0,
112 sizeof(dev_priv->warp_pipe_phys) ); 99 sizeof(dev_priv->warp_pipe_phys) );
@@ -136,35 +123,36 @@ static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv )
136{ 123{
137 unsigned char *vcbase = dev_priv->warp->handle; 124 unsigned char *vcbase = dev_priv->warp->handle;
138 unsigned long pcbase = dev_priv->warp->offset; 125 unsigned long pcbase = dev_priv->warp->offset;
139 unsigned int size;
140
141 size = mga_warp_g200_microcode_size( dev_priv );
142 if ( size > dev_priv->warp->size ) {
143 DRM_ERROR( "microcode too large! (%u > %lu)\n",
144 size, dev_priv->warp->size );
145 return DRM_ERR(ENOMEM);
146 }
147 126
148 memset( dev_priv->warp_pipe_phys, 0, 127 memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
149 sizeof(dev_priv->warp_pipe_phys) );
150 128
151 WARP_UCODE_INSTALL( warp_g200_tgz, MGA_WARP_TGZ ); 129 WARP_UCODE_INSTALL(warp_g200_tgz, MGA_WARP_TGZ);
152 WARP_UCODE_INSTALL( warp_g200_tgzf, MGA_WARP_TGZF ); 130 WARP_UCODE_INSTALL(warp_g200_tgzf, MGA_WARP_TGZF);
153 WARP_UCODE_INSTALL( warp_g200_tgza, MGA_WARP_TGZA ); 131 WARP_UCODE_INSTALL(warp_g200_tgza, MGA_WARP_TGZA);
154 WARP_UCODE_INSTALL( warp_g200_tgzaf, MGA_WARP_TGZAF ); 132 WARP_UCODE_INSTALL(warp_g200_tgzaf, MGA_WARP_TGZAF);
155 WARP_UCODE_INSTALL( warp_g200_tgzs, MGA_WARP_TGZS ); 133 WARP_UCODE_INSTALL(warp_g200_tgzs, MGA_WARP_TGZS);
156 WARP_UCODE_INSTALL( warp_g200_tgzsf, MGA_WARP_TGZSF ); 134 WARP_UCODE_INSTALL(warp_g200_tgzsf, MGA_WARP_TGZSF);
157 WARP_UCODE_INSTALL( warp_g200_tgzsa, MGA_WARP_TGZSA ); 135 WARP_UCODE_INSTALL(warp_g200_tgzsa, MGA_WARP_TGZSA);
158 WARP_UCODE_INSTALL( warp_g200_tgzsaf, MGA_WARP_TGZSAF ); 136 WARP_UCODE_INSTALL(warp_g200_tgzsaf, MGA_WARP_TGZSAF);
159 137
160 return 0; 138 return 0;
161} 139}
162 140
163int mga_warp_install_microcode( drm_mga_private_t *dev_priv ) 141int mga_warp_install_microcode( drm_mga_private_t *dev_priv )
164{ 142{
165 switch ( dev_priv->chipset ) { 143 const unsigned int size = mga_warp_microcode_size(dev_priv);
144
145 DRM_DEBUG("MGA ucode size = %d bytes\n", size);
146 if (size > dev_priv->warp->size) {
147 DRM_ERROR("microcode too large! (%u > %lu)\n",
148 size, dev_priv->warp->size);
149 return DRM_ERR(ENOMEM);
150 }
151
152 switch (dev_priv->chipset) {
166 case MGA_CARD_TYPE_G400: 153 case MGA_CARD_TYPE_G400:
167 return mga_warp_install_g400_microcode( dev_priv ); 154 case MGA_CARD_TYPE_G550:
155 return mga_warp_install_g400_microcode(dev_priv);
168 case MGA_CARD_TYPE_G200: 156 case MGA_CARD_TYPE_G200:
169 return mga_warp_install_g200_microcode( dev_priv ); 157 return mga_warp_install_g200_microcode( dev_priv );
170 default: 158 default:
@@ -182,10 +170,11 @@ int mga_warp_init( drm_mga_private_t *dev_priv )
182 */ 170 */
183 switch ( dev_priv->chipset ) { 171 switch ( dev_priv->chipset ) {
184 case MGA_CARD_TYPE_G400: 172 case MGA_CARD_TYPE_G400:
185 MGA_WRITE( MGA_WIADDR2, MGA_WMODE_SUSPEND ); 173 case MGA_CARD_TYPE_G550:
186 MGA_WRITE( MGA_WGETMSB, 0x00000E00 ); 174 MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND);
187 MGA_WRITE( MGA_WVRTXSZ, 0x00001807 ); 175 MGA_WRITE(MGA_WGETMSB, 0x00000E00);
188 MGA_WRITE( MGA_WACCEPTSEQ, 0x18000000 ); 176 MGA_WRITE(MGA_WVRTXSZ, 0x00001807);
177 MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000);
189 break; 178 break;
190 case MGA_CARD_TYPE_G200: 179 case MGA_CARD_TYPE_G200:
191 MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND ); 180 MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND );
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 20bcf872b348..8255cc6fdc28 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -2048,6 +2048,27 @@ int radeon_driver_preinit(struct drm_device *dev, unsigned long flags)
2048 return ret; 2048 return ret;
2049} 2049}
2050 2050
2051int radeon_presetup(struct drm_device *dev)
2052{
2053 int ret;
2054 drm_local_map_t *map;
2055 drm_radeon_private_t *dev_priv = dev->dev_private;
2056
2057 ret = drm_addmap(dev, drm_get_resource_start(dev, 2),
2058 drm_get_resource_len(dev, 2), _DRM_REGISTERS,
2059 _DRM_READ_ONLY, &dev_priv->mmio);
2060 if (ret != 0)
2061 return ret;
2062
2063 ret = drm_addmap(dev, drm_get_resource_start(dev, 0),
2064 drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER,
2065 _DRM_WRITE_COMBINING, &map);
2066 if (ret != 0)
2067 return ret;
2068
2069 return 0;
2070}
2071
2051int radeon_driver_postcleanup(struct drm_device *dev) 2072int radeon_driver_postcleanup(struct drm_device *dev)
2052{ 2073{
2053 drm_radeon_private_t *dev_priv = dev->dev_private; 2074 drm_radeon_private_t *dev_priv = dev->dev_private;
diff --git a/drivers/char/drm/radeon_drv.c b/drivers/char/drm/radeon_drv.c
index 18e4e5b0952f..e0682f64b400 100644
--- a/drivers/char/drm/radeon_drv.c
+++ b/drivers/char/drm/radeon_drv.c
@@ -76,6 +76,7 @@ static struct drm_driver driver = {
76 .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, 76 .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
77 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 77 .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
78 .preinit = radeon_driver_preinit, 78 .preinit = radeon_driver_preinit,
79 .presetup = radeon_presetup,
79 .postcleanup = radeon_driver_postcleanup, 80 .postcleanup = radeon_driver_postcleanup,
80 .prerelease = radeon_driver_prerelease, 81 .prerelease = radeon_driver_prerelease,
81 .pretakedown = radeon_driver_pretakedown, 82 .pretakedown = radeon_driver_pretakedown,
diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h
index 771aa80a5e8c..e701dffe978d 100644
--- a/drivers/char/drm/radeon_drv.h
+++ b/drivers/char/drm/radeon_drv.h
@@ -290,6 +290,7 @@ extern int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n );
290extern int radeon_do_cp_idle( drm_radeon_private_t *dev_priv ); 290extern int radeon_do_cp_idle( drm_radeon_private_t *dev_priv );
291 291
292extern int radeon_driver_preinit(struct drm_device *dev, unsigned long flags); 292extern int radeon_driver_preinit(struct drm_device *dev, unsigned long flags);
293extern int radeon_presetup(struct drm_device *dev);
293extern int radeon_driver_postcleanup(struct drm_device *dev); 294extern int radeon_driver_postcleanup(struct drm_device *dev);
294 295
295extern int radeon_mem_alloc( DRM_IOCTL_ARGS ); 296extern int radeon_mem_alloc( DRM_IOCTL_ARGS );
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-27 21:44:57 -0500