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authorLinus Torvalds <torvalds@g5.osdl.org>2006-09-02 17:51:45 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-02 17:51:45 -0400
commite694420258cb1af5eb5a06e4b1a027e8c917d027 (patch)
tree09848cd700e10fe98c3c299d0a4ecb2df1928c7d /arch/arm/mach-s3c2410/dma.c
parent3b6362b833b9f7a9d4222cf1bb35f99c411abb31 (diff)
parenta188ad2bc7dbfa16ccdcaa8d43ade185b969baff (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3762/1: Fix ptrace cache coherency bug for ARM1136 VIPT nonaliasing Harvard caches [ARM] 3765/1: S3C24XX: cleanup include/asm-arm/arch-s3c2410/dma.h [ARM] 3764/1: S3C24XX: change type naming to kernel style [ARM] 3763/1: add both rtcs to csb337 defconfig [ARM] Fix ARM __raw_read_trylock() implementation [ARM] 3750/3: Fix double VFP emulation for EABI kernels
Diffstat (limited to 'arch/arm/mach-s3c2410/dma.c')
-rw-r--r--arch/arm/mach-s3c2410/dma.c88
1 files changed, 44 insertions, 44 deletions
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index 25855452fe8c..cc92a7b2db88 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -60,7 +60,7 @@ static void __iomem *dma_base;
60static kmem_cache_t *dma_kmem; 60static kmem_cache_t *dma_kmem;
61 61
62/* dma channel state information */ 62/* dma channel state information */
63s3c2410_dma_chan_t s3c2410_chans[S3C2410_DMA_CHANNELS]; 63struct s3c2410_dma_chan s3c2410_chans[S3C2410_DMA_CHANNELS];
64 64
65/* debugging functions */ 65/* debugging functions */
66 66
@@ -74,7 +74,7 @@ s3c2410_dma_chan_t s3c2410_chans[S3C2410_DMA_CHANNELS];
74#define dma_wrreg(chan, reg, val) writel((val), (chan)->regs + (reg)) 74#define dma_wrreg(chan, reg, val) writel((val), (chan)->regs + (reg))
75#else 75#else
76static inline void 76static inline void
77dma_wrreg(s3c2410_dma_chan_t *chan, int reg, unsigned long val) 77dma_wrreg(struct s3c2410_dma_chan *chan, int reg, unsigned long val)
78{ 78{
79 pr_debug("writing %08x to register %08x\n",(unsigned int)val,reg); 79 pr_debug("writing %08x to register %08x\n",(unsigned int)val,reg);
80 writel(val, dma_regaddr(chan, reg)); 80 writel(val, dma_regaddr(chan, reg));
@@ -102,7 +102,7 @@ struct s3c2410_dma_regstate {
102*/ 102*/
103 103
104static void 104static void
105dmadbg_capture(s3c2410_dma_chan_t *chan, struct s3c2410_dma_regstate *regs) 105dmadbg_capture(struct s3c2410_dma_chan *chan, struct s3c2410_dma_regstate *regs)
106{ 106{
107 regs->dcsrc = dma_rdreg(chan, S3C2410_DMA_DCSRC); 107 regs->dcsrc = dma_rdreg(chan, S3C2410_DMA_DCSRC);
108 regs->disrc = dma_rdreg(chan, S3C2410_DMA_DISRC); 108 regs->disrc = dma_rdreg(chan, S3C2410_DMA_DISRC);
@@ -112,7 +112,7 @@ dmadbg_capture(s3c2410_dma_chan_t *chan, struct s3c2410_dma_regstate *regs)
112} 112}
113 113
114static void 114static void
115dmadbg_dumpregs(const char *fname, int line, s3c2410_dma_chan_t *chan, 115dmadbg_dumpregs(const char *fname, int line, struct s3c2410_dma_chan *chan,
116 struct s3c2410_dma_regstate *regs) 116 struct s3c2410_dma_regstate *regs)
117{ 117{
118 printk(KERN_DEBUG "dma%d: %s:%d: DCSRC=%08lx, DISRC=%08lx, DSTAT=%08lx DMT=%02lx, DCON=%08lx\n", 118 printk(KERN_DEBUG "dma%d: %s:%d: DCSRC=%08lx, DISRC=%08lx, DSTAT=%08lx DMT=%02lx, DCON=%08lx\n",
@@ -122,7 +122,7 @@ dmadbg_dumpregs(const char *fname, int line, s3c2410_dma_chan_t *chan,
122} 122}
123 123
124static void 124static void
125dmadbg_showchan(const char *fname, int line, s3c2410_dma_chan_t *chan) 125dmadbg_showchan(const char *fname, int line, struct s3c2410_dma_chan *chan)
126{ 126{
127 struct s3c2410_dma_regstate state; 127 struct s3c2410_dma_regstate state;
128 128
@@ -136,7 +136,7 @@ dmadbg_showchan(const char *fname, int line, s3c2410_dma_chan_t *chan)
136} 136}
137 137
138static void 138static void
139dmadbg_showregs(const char *fname, int line, s3c2410_dma_chan_t *chan) 139dmadbg_showregs(const char *fname, int line, struct s3c2410_dma_chan *chan)
140{ 140{
141 struct s3c2410_dma_regstate state; 141 struct s3c2410_dma_regstate state;
142 142
@@ -164,7 +164,7 @@ dmadbg_showregs(const char *fname, int line, s3c2410_dma_chan_t *chan)
164*/ 164*/
165 165
166static void 166static void
167s3c2410_dma_stats_timeout(s3c2410_dma_stats_t *stats, int val) 167s3c2410_dma_stats_timeout(struct s3c2410_dma_stats *stats, int val)
168{ 168{
169 if (stats == NULL) 169 if (stats == NULL)
170 return; 170 return;
@@ -183,7 +183,7 @@ s3c2410_dma_stats_timeout(s3c2410_dma_stats_t *stats, int val)
183*/ 183*/
184 184
185static int 185static int
186s3c2410_dma_waitforload(s3c2410_dma_chan_t *chan, int line) 186s3c2410_dma_waitforload(struct s3c2410_dma_chan *chan, int line)
187{ 187{
188 int timeout = chan->load_timeout; 188 int timeout = chan->load_timeout;
189 int took; 189 int took;
@@ -230,8 +230,8 @@ s3c2410_dma_waitforload(s3c2410_dma_chan_t *chan, int line)
230*/ 230*/
231 231
232static inline int 232static inline int
233s3c2410_dma_loadbuffer(s3c2410_dma_chan_t *chan, 233s3c2410_dma_loadbuffer(struct s3c2410_dma_chan *chan,
234 s3c2410_dma_buf_t *buf) 234 struct s3c2410_dma_buf *buf)
235{ 235{
236 unsigned long reload; 236 unsigned long reload;
237 237
@@ -304,7 +304,7 @@ s3c2410_dma_loadbuffer(s3c2410_dma_chan_t *chan,
304*/ 304*/
305 305
306static void 306static void
307s3c2410_dma_call_op(s3c2410_dma_chan_t *chan, s3c2410_chan_op_t op) 307s3c2410_dma_call_op(struct s3c2410_dma_chan *chan, enum s3c2410_chan_op op)
308{ 308{
309 if (chan->op_fn != NULL) { 309 if (chan->op_fn != NULL) {
310 (chan->op_fn)(chan, op); 310 (chan->op_fn)(chan, op);
@@ -318,8 +318,8 @@ s3c2410_dma_call_op(s3c2410_dma_chan_t *chan, s3c2410_chan_op_t op)
318*/ 318*/
319 319
320static inline void 320static inline void
321s3c2410_dma_buffdone(s3c2410_dma_chan_t *chan, s3c2410_dma_buf_t *buf, 321s3c2410_dma_buffdone(struct s3c2410_dma_chan *chan, struct s3c2410_dma_buf *buf,
322 s3c2410_dma_buffresult_t result) 322 enum s3c2410_dma_buffresult result)
323{ 323{
324 pr_debug("callback_fn=%p, buf=%p, id=%p, size=%d, result=%d\n", 324 pr_debug("callback_fn=%p, buf=%p, id=%p, size=%d, result=%d\n",
325 chan->callback_fn, buf, buf->id, buf->size, result); 325 chan->callback_fn, buf, buf->id, buf->size, result);
@@ -334,7 +334,7 @@ s3c2410_dma_buffdone(s3c2410_dma_chan_t *chan, s3c2410_dma_buf_t *buf,
334 * start a dma channel going 334 * start a dma channel going
335*/ 335*/
336 336
337static int s3c2410_dma_start(s3c2410_dma_chan_t *chan) 337static int s3c2410_dma_start(struct s3c2410_dma_chan *chan)
338{ 338{
339 unsigned long tmp; 339 unsigned long tmp;
340 unsigned long flags; 340 unsigned long flags;
@@ -430,7 +430,7 @@ static int s3c2410_dma_start(s3c2410_dma_chan_t *chan)
430*/ 430*/
431 431
432static int 432static int
433s3c2410_dma_canload(s3c2410_dma_chan_t *chan) 433s3c2410_dma_canload(struct s3c2410_dma_chan *chan)
434{ 434{
435 if (chan->load_state == S3C2410_DMALOAD_NONE || 435 if (chan->load_state == S3C2410_DMALOAD_NONE ||
436 chan->load_state == S3C2410_DMALOAD_1RUNNING) 436 chan->load_state == S3C2410_DMALOAD_1RUNNING)
@@ -460,8 +460,8 @@ s3c2410_dma_canload(s3c2410_dma_chan_t *chan)
460int s3c2410_dma_enqueue(unsigned int channel, void *id, 460int s3c2410_dma_enqueue(unsigned int channel, void *id,
461 dma_addr_t data, int size) 461 dma_addr_t data, int size)
462{ 462{
463 s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; 463 struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
464 s3c2410_dma_buf_t *buf; 464 struct s3c2410_dma_buf *buf;
465 unsigned long flags; 465 unsigned long flags;
466 466
467 check_channel(channel); 467 check_channel(channel);
@@ -540,7 +540,7 @@ int s3c2410_dma_enqueue(unsigned int channel, void *id,
540EXPORT_SYMBOL(s3c2410_dma_enqueue); 540EXPORT_SYMBOL(s3c2410_dma_enqueue);
541 541
542static inline void 542static inline void
543s3c2410_dma_freebuf(s3c2410_dma_buf_t *buf) 543s3c2410_dma_freebuf(struct s3c2410_dma_buf *buf)
544{ 544{
545 int magicok = (buf->magic == BUF_MAGIC); 545 int magicok = (buf->magic == BUF_MAGIC);
546 546
@@ -560,7 +560,7 @@ s3c2410_dma_freebuf(s3c2410_dma_buf_t *buf)
560*/ 560*/
561 561
562static inline void 562static inline void
563s3c2410_dma_lastxfer(s3c2410_dma_chan_t *chan) 563s3c2410_dma_lastxfer(struct s3c2410_dma_chan *chan)
564{ 564{
565 pr_debug("dma%d: s3c2410_dma_lastxfer: load_state %d\n", 565 pr_debug("dma%d: s3c2410_dma_lastxfer: load_state %d\n",
566 chan->number, chan->load_state); 566 chan->number, chan->load_state);
@@ -601,8 +601,8 @@ s3c2410_dma_lastxfer(s3c2410_dma_chan_t *chan)
601static irqreturn_t 601static irqreturn_t
602s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs) 602s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
603{ 603{
604 s3c2410_dma_chan_t *chan = (s3c2410_dma_chan_t *)devpw; 604 struct s3c2410_dma_chan *chan = (struct s3c2410_dma_chan *)devpw;
605 s3c2410_dma_buf_t *buf; 605 struct s3c2410_dma_buf *buf;
606 606
607 buf = chan->curr; 607 buf = chan->curr;
608 608
@@ -731,10 +731,10 @@ s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
731 * get control of an dma channel 731 * get control of an dma channel
732*/ 732*/
733 733
734int s3c2410_dma_request(unsigned int channel, s3c2410_dma_client_t *client, 734int s3c2410_dma_request(unsigned int channel, struct s3c2410_dma_client *client,
735 void *dev) 735 void *dev)
736{ 736{
737 s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; 737 struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
738 unsigned long flags; 738 unsigned long flags;
739 int err; 739 int err;
740 740
@@ -807,9 +807,9 @@ EXPORT_SYMBOL(s3c2410_dma_request);
807 * allowed to go through. 807 * allowed to go through.
808*/ 808*/
809 809
810int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *client) 810int s3c2410_dma_free(dmach_t channel, struct s3c2410_dma_client *client)
811{ 811{
812 s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; 812 struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
813 unsigned long flags; 813 unsigned long flags;
814 814
815 check_channel(channel); 815 check_channel(channel);
@@ -846,7 +846,7 @@ int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *client)
846 846
847EXPORT_SYMBOL(s3c2410_dma_free); 847EXPORT_SYMBOL(s3c2410_dma_free);
848 848
849static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan) 849static int s3c2410_dma_dostop(struct s3c2410_dma_chan *chan)
850{ 850{
851 unsigned long tmp; 851 unsigned long tmp;
852 unsigned long flags; 852 unsigned long flags;
@@ -880,7 +880,7 @@ static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan)
880 return 0; 880 return 0;
881} 881}
882 882
883void s3c2410_dma_waitforstop(s3c2410_dma_chan_t *chan) 883void s3c2410_dma_waitforstop(struct s3c2410_dma_chan *chan)
884{ 884{
885 unsigned long tmp; 885 unsigned long tmp;
886 unsigned int timeout = 0x10000; 886 unsigned int timeout = 0x10000;
@@ -901,9 +901,9 @@ void s3c2410_dma_waitforstop(s3c2410_dma_chan_t *chan)
901 * stop the channel, and remove all current and pending transfers 901 * stop the channel, and remove all current and pending transfers
902*/ 902*/
903 903
904static int s3c2410_dma_flush(s3c2410_dma_chan_t *chan) 904static int s3c2410_dma_flush(struct s3c2410_dma_chan *chan)
905{ 905{
906 s3c2410_dma_buf_t *buf, *next; 906 struct s3c2410_dma_buf *buf, *next;
907 unsigned long flags; 907 unsigned long flags;
908 908
909 pr_debug("%s: chan %p (%d)\n", __FUNCTION__, chan, chan->number); 909 pr_debug("%s: chan %p (%d)\n", __FUNCTION__, chan, chan->number);
@@ -958,7 +958,7 @@ static int s3c2410_dma_flush(s3c2410_dma_chan_t *chan)
958} 958}
959 959
960int 960int
961s3c2410_dma_started(s3c2410_dma_chan_t *chan) 961s3c2410_dma_started(struct s3c2410_dma_chan *chan)
962{ 962{
963 unsigned long flags; 963 unsigned long flags;
964 964
@@ -995,9 +995,9 @@ s3c2410_dma_started(s3c2410_dma_chan_t *chan)
995} 995}
996 996
997int 997int
998s3c2410_dma_ctrl(dmach_t channel, s3c2410_chan_op_t op) 998s3c2410_dma_ctrl(dmach_t channel, enum s3c2410_chan_op op)
999{ 999{
1000 s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; 1000 struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
1001 1001
1002 check_channel(channel); 1002 check_channel(channel);
1003 1003
@@ -1046,7 +1046,7 @@ int s3c2410_dma_config(dmach_t channel,
1046 int xferunit, 1046 int xferunit,
1047 int dcon) 1047 int dcon)
1048{ 1048{
1049 s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; 1049 struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
1050 1050
1051 pr_debug("%s: chan=%d, xfer_unit=%d, dcon=%08x\n", 1051 pr_debug("%s: chan=%d, xfer_unit=%d, dcon=%08x\n",
1052 __FUNCTION__, channel, xferunit, dcon); 1052 __FUNCTION__, channel, xferunit, dcon);
@@ -1086,7 +1086,7 @@ EXPORT_SYMBOL(s3c2410_dma_config);
1086 1086
1087int s3c2410_dma_setflags(dmach_t channel, unsigned int flags) 1087int s3c2410_dma_setflags(dmach_t channel, unsigned int flags)
1088{ 1088{
1089 s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; 1089 struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
1090 1090
1091 check_channel(channel); 1091 check_channel(channel);
1092 1092
@@ -1106,7 +1106,7 @@ EXPORT_SYMBOL(s3c2410_dma_setflags);
1106 1106
1107int s3c2410_dma_set_opfn(dmach_t channel, s3c2410_dma_opfn_t rtn) 1107int s3c2410_dma_set_opfn(dmach_t channel, s3c2410_dma_opfn_t rtn)
1108{ 1108{
1109 s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; 1109 struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
1110 1110
1111 check_channel(channel); 1111 check_channel(channel);
1112 1112
@@ -1121,7 +1121,7 @@ EXPORT_SYMBOL(s3c2410_dma_set_opfn);
1121 1121
1122int s3c2410_dma_set_buffdone_fn(dmach_t channel, s3c2410_dma_cbfn_t rtn) 1122int s3c2410_dma_set_buffdone_fn(dmach_t channel, s3c2410_dma_cbfn_t rtn)
1123{ 1123{
1124 s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; 1124 struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
1125 1125
1126 check_channel(channel); 1126 check_channel(channel);
1127 1127
@@ -1149,11 +1149,11 @@ EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn);
1149*/ 1149*/
1150 1150
1151int s3c2410_dma_devconfig(int channel, 1151int s3c2410_dma_devconfig(int channel,
1152 s3c2410_dmasrc_t source, 1152 enum s3c2410_dmasrc source,
1153 int hwcfg, 1153 int hwcfg,
1154 unsigned long devaddr) 1154 unsigned long devaddr)
1155{ 1155{
1156 s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; 1156 struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
1157 1157
1158 check_channel(channel); 1158 check_channel(channel);
1159 1159
@@ -1200,7 +1200,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig);
1200 1200
1201int s3c2410_dma_getposition(dmach_t channel, dma_addr_t *src, dma_addr_t *dst) 1201int s3c2410_dma_getposition(dmach_t channel, dma_addr_t *src, dma_addr_t *dst)
1202{ 1202{
1203 s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; 1203 struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
1204 1204
1205 check_channel(channel); 1205 check_channel(channel);
1206 1206
@@ -1222,7 +1222,7 @@ EXPORT_SYMBOL(s3c2410_dma_getposition);
1222 1222
1223static int s3c2410_dma_suspend(struct sys_device *dev, pm_message_t state) 1223static int s3c2410_dma_suspend(struct sys_device *dev, pm_message_t state)
1224{ 1224{
1225 s3c2410_dma_chan_t *cp = container_of(dev, s3c2410_dma_chan_t, dev); 1225 struct s3c2410_dma_chan *cp = container_of(dev, struct s3c2410_dma_chan, dev);
1226 1226
1227 printk(KERN_DEBUG "suspending dma channel %d\n", cp->number); 1227 printk(KERN_DEBUG "suspending dma channel %d\n", cp->number);
1228 1228
@@ -1262,7 +1262,7 @@ static struct sysdev_class dma_sysclass = {
1262 1262
1263static void s3c2410_dma_cache_ctor(void *p, kmem_cache_t *c, unsigned long f) 1263static void s3c2410_dma_cache_ctor(void *p, kmem_cache_t *c, unsigned long f)
1264{ 1264{
1265 memset(p, 0, sizeof(s3c2410_dma_buf_t)); 1265 memset(p, 0, sizeof(struct s3c2410_dma_buf));
1266} 1266}
1267 1267
1268 1268
@@ -1270,7 +1270,7 @@ static void s3c2410_dma_cache_ctor(void *p, kmem_cache_t *c, unsigned long f)
1270 1270
1271static int __init s3c2410_init_dma(void) 1271static int __init s3c2410_init_dma(void)
1272{ 1272{
1273 s3c2410_dma_chan_t *cp; 1273 struct s3c2410_dma_chan *cp;
1274 int channel; 1274 int channel;
1275 int ret; 1275 int ret;
1276 1276
@@ -1288,7 +1288,7 @@ static int __init s3c2410_init_dma(void)
1288 goto err; 1288 goto err;
1289 } 1289 }
1290 1290
1291 dma_kmem = kmem_cache_create("dma_desc", sizeof(s3c2410_dma_buf_t), 0, 1291 dma_kmem = kmem_cache_create("dma_desc", sizeof(struct s3c2410_dma_buf), 0,
1292 SLAB_HWCACHE_ALIGN, 1292 SLAB_HWCACHE_ALIGN,
1293 s3c2410_dma_cache_ctor, NULL); 1293 s3c2410_dma_cache_ctor, NULL);
1294 1294
@@ -1301,7 +1301,7 @@ static int __init s3c2410_init_dma(void)
1301 for (channel = 0; channel < S3C2410_DMA_CHANNELS; channel++) { 1301 for (channel = 0; channel < S3C2410_DMA_CHANNELS; channel++) {
1302 cp = &s3c2410_chans[channel]; 1302 cp = &s3c2410_chans[channel];
1303 1303
1304 memset(cp, 0, sizeof(s3c2410_dma_chan_t)); 1304 memset(cp, 0, sizeof(struct s3c2410_dma_chan));
1305 1305
1306 /* dma channel irqs are in order.. */ 1306 /* dma channel irqs are in order.. */
1307 cp->number = channel; 1307 cp->number = channel;