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authorRusty Russell <rusty@rustcorp.com.au>2008-12-31 07:35:57 -0500
committerRusty Russell <rusty@rustcorp.com.au>2008-12-31 07:35:57 -0500
commit2ca1a615835d9f4990f42102ab1f2ef434e7e89c (patch)
tree726cf3d5f29a6c66c44e4bd68e7ebed2fd83d059 /drivers/media/video/tvaudio.c
parente12f0102ac81d660c9f801d0a0e10ccf4537a9de (diff)
parent6a94cb73064c952255336cc57731904174b2c58f (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: arch/x86/kernel/io_apic.c
Diffstat (limited to 'drivers/media/video/tvaudio.c')
-rw-r--r--drivers/media/video/tvaudio.c707
1 files changed, 383 insertions, 324 deletions
diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c
index 3720f0e03a16..d0c794da735b 100644
--- a/drivers/media/video/tvaudio.c
+++ b/drivers/media/video/tvaudio.c
@@ -33,8 +33,7 @@
33#include <linux/freezer.h> 33#include <linux/freezer.h>
34 34
35#include <media/tvaudio.h> 35#include <media/tvaudio.h>
36#include <media/v4l2-common.h> 36#include <media/v4l2-device.h>
37#include <media/v4l2-ioctl.h>
38#include <media/v4l2-chip-ident.h> 37#include <media/v4l2-chip-ident.h>
39#include <media/v4l2-i2c-drv-legacy.h> 38#include <media/v4l2-i2c-drv-legacy.h>
40 39
@@ -110,7 +109,7 @@ struct CHIPDESC {
110 109
111/* current state of the chip */ 110/* current state of the chip */
112struct CHIPSTATE { 111struct CHIPSTATE {
113 struct i2c_client *c; 112 struct v4l2_subdev sd;
114 113
115 /* chip-specific description - should point to 114 /* chip-specific description - should point to
116 an entry at CHIPDESC table */ 115 an entry at CHIPDESC table */
@@ -132,6 +131,11 @@ struct CHIPSTATE {
132 int audmode; 131 int audmode;
133}; 132};
134 133
134static inline struct CHIPSTATE *to_state(struct v4l2_subdev *sd)
135{
136 return container_of(sd, struct CHIPSTATE, sd);
137}
138
135/* ---------------------------------------------------------------------- */ 139/* ---------------------------------------------------------------------- */
136/* i2c addresses */ 140/* i2c addresses */
137 141
@@ -152,34 +156,34 @@ I2C_CLIENT_INSMOD;
152 156
153static int chip_write(struct CHIPSTATE *chip, int subaddr, int val) 157static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
154{ 158{
159 struct v4l2_subdev *sd = &chip->sd;
160 struct i2c_client *c = v4l2_get_subdevdata(sd);
155 unsigned char buffer[2]; 161 unsigned char buffer[2];
156 162
157 if (subaddr < 0) { 163 if (subaddr < 0) {
158 v4l_dbg(1, debug, chip->c, "%s: chip_write: 0x%x\n", 164 v4l2_dbg(1, debug, sd, "chip_write: 0x%x\n", val);
159 chip->c->name, val);
160 chip->shadow.bytes[1] = val; 165 chip->shadow.bytes[1] = val;
161 buffer[0] = val; 166 buffer[0] = val;
162 if (1 != i2c_master_send(chip->c,buffer,1)) { 167 if (1 != i2c_master_send(c, buffer, 1)) {
163 v4l_warn(chip->c, "%s: I/O error (write 0x%x)\n", 168 v4l2_warn(sd, "I/O error (write 0x%x)\n", val);
164 chip->c->name, val);
165 return -1; 169 return -1;
166 } 170 }
167 } else { 171 } else {
168 if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) { 172 if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
169 v4l_info(chip->c, 173 v4l2_info(sd,
170 "Tried to access a non-existent register: %d\n", 174 "Tried to access a non-existent register: %d\n",
171 subaddr); 175 subaddr);
172 return -EINVAL; 176 return -EINVAL;
173 } 177 }
174 178
175 v4l_dbg(1, debug, chip->c, "%s: chip_write: reg%d=0x%x\n", 179 v4l2_dbg(1, debug, sd, "chip_write: reg%d=0x%x\n",
176 chip->c->name, subaddr, val); 180 subaddr, val);
177 chip->shadow.bytes[subaddr+1] = val; 181 chip->shadow.bytes[subaddr+1] = val;
178 buffer[0] = subaddr; 182 buffer[0] = subaddr;
179 buffer[1] = val; 183 buffer[1] = val;
180 if (2 != i2c_master_send(chip->c,buffer,2)) { 184 if (2 != i2c_master_send(c, buffer, 2)) {
181 v4l_warn(chip->c, "%s: I/O error (write reg%d=0x%x)\n", 185 v4l2_warn(sd, "I/O error (write reg%d=0x%x)\n",
182 chip->c->name, subaddr, val); 186 subaddr, val);
183 return -1; 187 return -1;
184 } 188 }
185 } 189 }
@@ -189,12 +193,14 @@ static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
189static int chip_write_masked(struct CHIPSTATE *chip, 193static int chip_write_masked(struct CHIPSTATE *chip,
190 int subaddr, int val, int mask) 194 int subaddr, int val, int mask)
191{ 195{
196 struct v4l2_subdev *sd = &chip->sd;
197
192 if (mask != 0) { 198 if (mask != 0) {
193 if (subaddr < 0) { 199 if (subaddr < 0) {
194 val = (chip->shadow.bytes[1] & ~mask) | (val & mask); 200 val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
195 } else { 201 } else {
196 if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) { 202 if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
197 v4l_info(chip->c, 203 v4l2_info(sd,
198 "Tried to access a non-existent register: %d\n", 204 "Tried to access a non-existent register: %d\n",
199 subaddr); 205 subaddr);
200 return -EINVAL; 206 return -EINVAL;
@@ -208,45 +214,51 @@ static int chip_write_masked(struct CHIPSTATE *chip,
208 214
209static int chip_read(struct CHIPSTATE *chip) 215static int chip_read(struct CHIPSTATE *chip)
210{ 216{
217 struct v4l2_subdev *sd = &chip->sd;
218 struct i2c_client *c = v4l2_get_subdevdata(sd);
211 unsigned char buffer; 219 unsigned char buffer;
212 220
213 if (1 != i2c_master_recv(chip->c,&buffer,1)) { 221 if (1 != i2c_master_recv(c, &buffer, 1)) {
214 v4l_warn(chip->c, "%s: I/O error (read)\n", 222 v4l2_warn(sd, "I/O error (read)\n");
215 chip->c->name);
216 return -1; 223 return -1;
217 } 224 }
218 v4l_dbg(1, debug, chip->c, "%s: chip_read: 0x%x\n",chip->c->name, buffer); 225 v4l2_dbg(1, debug, sd, "chip_read: 0x%x\n", buffer);
219 return buffer; 226 return buffer;
220} 227}
221 228
222static int chip_read2(struct CHIPSTATE *chip, int subaddr) 229static int chip_read2(struct CHIPSTATE *chip, int subaddr)
223{ 230{
231 struct v4l2_subdev *sd = &chip->sd;
232 struct i2c_client *c = v4l2_get_subdevdata(sd);
224 unsigned char write[1]; 233 unsigned char write[1];
225 unsigned char read[1]; 234 unsigned char read[1];
226 struct i2c_msg msgs[2] = { 235 struct i2c_msg msgs[2] = {
227 { chip->c->addr, 0, 1, write }, 236 { c->addr, 0, 1, write },
228 { chip->c->addr, I2C_M_RD, 1, read } 237 { c->addr, I2C_M_RD, 1, read }
229 }; 238 };
239
230 write[0] = subaddr; 240 write[0] = subaddr;
231 241
232 if (2 != i2c_transfer(chip->c->adapter,msgs,2)) { 242 if (2 != i2c_transfer(c->adapter, msgs, 2)) {
233 v4l_warn(chip->c, "%s: I/O error (read2)\n", chip->c->name); 243 v4l2_warn(sd, "I/O error (read2)\n");
234 return -1; 244 return -1;
235 } 245 }
236 v4l_dbg(1, debug, chip->c, "%s: chip_read2: reg%d=0x%x\n", 246 v4l2_dbg(1, debug, sd, "chip_read2: reg%d=0x%x\n",
237 chip->c->name, subaddr,read[0]); 247 subaddr, read[0]);
238 return read[0]; 248 return read[0];
239} 249}
240 250
241static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd) 251static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
242{ 252{
253 struct v4l2_subdev *sd = &chip->sd;
254 struct i2c_client *c = v4l2_get_subdevdata(sd);
243 int i; 255 int i;
244 256
245 if (0 == cmd->count) 257 if (0 == cmd->count)
246 return 0; 258 return 0;
247 259
248 if (cmd->count + cmd->bytes[0] - 1 >= ARRAY_SIZE(chip->shadow.bytes)) { 260 if (cmd->count + cmd->bytes[0] - 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
249 v4l_info(chip->c, 261 v4l2_info(sd,
250 "Tried to access a non-existent register range: %d to %d\n", 262 "Tried to access a non-existent register range: %d to %d\n",
251 cmd->bytes[0] + 1, cmd->bytes[0] + cmd->count - 1); 263 cmd->bytes[0] + 1, cmd->bytes[0] + cmd->count - 1);
252 return -EINVAL; 264 return -EINVAL;
@@ -255,19 +267,19 @@ static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
255 /* FIXME: it seems that the shadow bytes are wrong bellow !*/ 267 /* FIXME: it seems that the shadow bytes are wrong bellow !*/
256 268
257 /* update our shadow register set; print bytes if (debug > 0) */ 269 /* update our shadow register set; print bytes if (debug > 0) */
258 v4l_dbg(1, debug, chip->c, "%s: chip_cmd(%s): reg=%d, data:", 270 v4l2_dbg(1, debug, sd, "chip_cmd(%s): reg=%d, data:",
259 chip->c->name, name,cmd->bytes[0]); 271 name, cmd->bytes[0]);
260 for (i = 1; i < cmd->count; i++) { 272 for (i = 1; i < cmd->count; i++) {
261 if (debug) 273 if (debug)
262 printk(" 0x%x",cmd->bytes[i]); 274 printk(KERN_CONT " 0x%x", cmd->bytes[i]);
263 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i]; 275 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
264 } 276 }
265 if (debug) 277 if (debug)
266 printk("\n"); 278 printk(KERN_CONT "\n");
267 279
268 /* send data to the chip */ 280 /* send data to the chip */
269 if (cmd->count != i2c_master_send(chip->c,cmd->bytes,cmd->count)) { 281 if (cmd->count != i2c_master_send(c, cmd->bytes, cmd->count)) {
270 v4l_warn(chip->c, "%s: I/O error (%s)\n", chip->c->name, name); 282 v4l2_warn(sd, "I/O error (%s)\n", name);
271 return -1; 283 return -1;
272 } 284 }
273 return 0; 285 return 0;
@@ -290,9 +302,10 @@ static int chip_thread(void *data)
290{ 302{
291 struct CHIPSTATE *chip = data; 303 struct CHIPSTATE *chip = data;
292 struct CHIPDESC *desc = chip->desc; 304 struct CHIPDESC *desc = chip->desc;
305 struct v4l2_subdev *sd = &chip->sd;
293 int mode; 306 int mode;
294 307
295 v4l_dbg(1, debug, chip->c, "%s: thread started\n", chip->c->name); 308 v4l2_dbg(1, debug, sd, "thread started\n");
296 set_freezable(); 309 set_freezable();
297 for (;;) { 310 for (;;) {
298 set_current_state(TASK_INTERRUPTIBLE); 311 set_current_state(TASK_INTERRUPTIBLE);
@@ -302,7 +315,7 @@ static int chip_thread(void *data)
302 try_to_freeze(); 315 try_to_freeze();
303 if (kthread_should_stop()) 316 if (kthread_should_stop())
304 break; 317 break;
305 v4l_dbg(1, debug, chip->c, "%s: thread wakeup\n", chip->c->name); 318 v4l2_dbg(1, debug, sd, "thread wakeup\n");
306 319
307 /* don't do anything for radio or if mode != auto */ 320 /* don't do anything for radio or if mode != auto */
308 if (chip->radio || chip->mode != 0) 321 if (chip->radio || chip->mode != 0)
@@ -314,8 +327,7 @@ static int chip_thread(void *data)
314 continue; 327 continue;
315 328
316 /* chip detected a new audio mode - set it */ 329 /* chip detected a new audio mode - set it */
317 v4l_dbg(1, debug, chip->c, "%s: thread checkmode\n", 330 v4l2_dbg(1, debug, sd, "thread checkmode\n");
318 chip->c->name);
319 331
320 chip->prevmode = mode; 332 chip->prevmode = mode;
321 333
@@ -334,7 +346,7 @@ static int chip_thread(void *data)
334 mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000)); 346 mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
335 } 347 }
336 348
337 v4l_dbg(1, debug, chip->c, "%s: thread exiting\n", chip->c->name); 349 v4l2_dbg(1, debug, sd, "thread exiting\n");
338 return 0; 350 return 0;
339} 351}
340 352
@@ -363,6 +375,7 @@ static int chip_thread(void *data)
363 375
364static int tda9840_getmode(struct CHIPSTATE *chip) 376static int tda9840_getmode(struct CHIPSTATE *chip)
365{ 377{
378 struct v4l2_subdev *sd = &chip->sd;
366 int val, mode; 379 int val, mode;
367 380
368 val = chip_read(chip); 381 val = chip_read(chip);
@@ -372,7 +385,7 @@ static int tda9840_getmode(struct CHIPSTATE *chip)
372 if (val & TDA9840_ST_STEREO) 385 if (val & TDA9840_ST_STEREO)
373 mode |= V4L2_TUNER_MODE_STEREO; 386 mode |= V4L2_TUNER_MODE_STEREO;
374 387
375 v4l_dbg(1, debug, chip->c, "tda9840_getmode(): raw chip read: %d, return: %d\n", 388 v4l2_dbg(1, debug, sd, "tda9840_getmode(): raw chip read: %d, return: %d\n",
376 val, mode); 389 val, mode);
377 return mode; 390 return mode;
378} 391}
@@ -668,6 +681,7 @@ static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
668 681
669static int tda9873_getmode(struct CHIPSTATE *chip) 682static int tda9873_getmode(struct CHIPSTATE *chip)
670{ 683{
684 struct v4l2_subdev *sd = &chip->sd;
671 int val,mode; 685 int val,mode;
672 686
673 val = chip_read(chip); 687 val = chip_read(chip);
@@ -676,23 +690,24 @@ static int tda9873_getmode(struct CHIPSTATE *chip)
676 mode |= V4L2_TUNER_MODE_STEREO; 690 mode |= V4L2_TUNER_MODE_STEREO;
677 if (val & TDA9873_DUAL) 691 if (val & TDA9873_DUAL)
678 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; 692 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
679 v4l_dbg(1, debug, chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n", 693 v4l2_dbg(1, debug, sd, "tda9873_getmode(): raw chip read: %d, return: %d\n",
680 val, mode); 694 val, mode);
681 return mode; 695 return mode;
682} 696}
683 697
684static void tda9873_setmode(struct CHIPSTATE *chip, int mode) 698static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
685{ 699{
700 struct v4l2_subdev *sd = &chip->sd;
686 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK; 701 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
687 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */ 702 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
688 703
689 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) { 704 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
690 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): external input\n"); 705 v4l2_dbg(1, debug, sd, "tda9873_setmode(): external input\n");
691 return; 706 return;
692 } 707 }
693 708
694 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]); 709 v4l2_dbg(1, debug, sd, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
695 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): sw_data = %d\n", sw_data); 710 v4l2_dbg(1, debug, sd, "tda9873_setmode(): sw_data = %d\n", sw_data);
696 711
697 switch (mode) { 712 switch (mode) {
698 case V4L2_TUNER_MODE_MONO: 713 case V4L2_TUNER_MODE_MONO:
@@ -713,7 +728,7 @@ static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
713 } 728 }
714 729
715 chip_write(chip, TDA9873_SW, sw_data); 730 chip_write(chip, TDA9873_SW, sw_data);
716 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): req. mode %d; chip_write: %d\n", 731 v4l2_dbg(1, debug, sd, "tda9873_setmode(): req. mode %d; chip_write: %d\n",
717 mode, sw_data); 732 mode, sw_data);
718} 733}
719 734
@@ -822,6 +837,8 @@ static struct tda9874a_MODES {
822 837
823static int tda9874a_setup(struct CHIPSTATE *chip) 838static int tda9874a_setup(struct CHIPSTATE *chip)
824{ 839{
840 struct v4l2_subdev *sd = &chip->sd;
841
825 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */ 842 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
826 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR); 843 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
827 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02); 844 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
@@ -852,13 +869,14 @@ static int tda9874a_setup(struct CHIPSTATE *chip)
852 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80); 869 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
853 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */ 870 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
854 } 871 }
855 v4l_dbg(1, debug, chip->c, "tda9874a_setup(): %s [0x%02X].\n", 872 v4l2_dbg(1, debug, sd, "tda9874a_setup(): %s [0x%02X].\n",
856 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD); 873 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
857 return 1; 874 return 1;
858} 875}
859 876
860static int tda9874a_getmode(struct CHIPSTATE *chip) 877static int tda9874a_getmode(struct CHIPSTATE *chip)
861{ 878{
879 struct v4l2_subdev *sd = &chip->sd;
862 int dsr,nsr,mode; 880 int dsr,nsr,mode;
863 int necr; /* just for debugging */ 881 int necr; /* just for debugging */
864 882
@@ -895,16 +913,18 @@ static int tda9874a_getmode(struct CHIPSTATE *chip)
895 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; 913 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
896 } 914 }
897 915
898 v4l_dbg(1, debug, chip->c, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n", 916 v4l2_dbg(1, debug, sd, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
899 dsr, nsr, necr, mode); 917 dsr, nsr, necr, mode);
900 return mode; 918 return mode;
901} 919}
902 920
903static void tda9874a_setmode(struct CHIPSTATE *chip, int mode) 921static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
904{ 922{
923 struct v4l2_subdev *sd = &chip->sd;
924
905 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */ 925 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
906 /* If auto-muting is disabled, we can hear a signal of degrading quality. */ 926 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
907 if(tda9874a_mode) { 927 if (tda9874a_mode) {
908 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */ 928 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
909 tda9874a_NCONR &= 0xfe; /* enable */ 929 tda9874a_NCONR &= 0xfe; /* enable */
910 else 930 else
@@ -941,7 +961,7 @@ static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
941 chip_write(chip, TDA9874A_AOSR, aosr); 961 chip_write(chip, TDA9874A_AOSR, aosr);
942 chip_write(chip, TDA9874A_MDACOSR, mdacosr); 962 chip_write(chip, TDA9874A_MDACOSR, mdacosr);
943 963
944 v4l_dbg(1, debug, chip->c, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n", 964 v4l2_dbg(1, debug, sd, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
945 mode, aosr, mdacosr); 965 mode, aosr, mdacosr);
946 966
947 } else { /* dic == 0x07 */ 967 } else { /* dic == 0x07 */
@@ -976,13 +996,14 @@ static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
976 chip_write(chip, TDA9874A_FMMR, fmmr); 996 chip_write(chip, TDA9874A_FMMR, fmmr);
977 chip_write(chip, TDA9874A_AOSR, aosr); 997 chip_write(chip, TDA9874A_AOSR, aosr);
978 998
979 v4l_dbg(1, debug, chip->c, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n", 999 v4l2_dbg(1, debug, sd, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
980 mode, fmmr, aosr); 1000 mode, fmmr, aosr);
981 } 1001 }
982} 1002}
983 1003
984static int tda9874a_checkit(struct CHIPSTATE *chip) 1004static int tda9874a_checkit(struct CHIPSTATE *chip)
985{ 1005{
1006 struct v4l2_subdev *sd = &chip->sd;
986 int dic,sic; /* device id. and software id. codes */ 1007 int dic,sic; /* device id. and software id. codes */
987 1008
988 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC))) 1009 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
@@ -990,10 +1011,10 @@ static int tda9874a_checkit(struct CHIPSTATE *chip)
990 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC))) 1011 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
991 return 0; 1012 return 0;
992 1013
993 v4l_dbg(1, debug, chip->c, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic); 1014 v4l2_dbg(1, debug, sd, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
994 1015
995 if((dic == 0x11)||(dic == 0x07)) { 1016 if((dic == 0x11)||(dic == 0x07)) {
996 v4l_info(chip->c, "found tda9874%s.\n", (dic == 0x11) ? "a":"h"); 1017 v4l2_info(sd, "found tda9874%s.\n", (dic == 0x11) ? "a" : "h");
997 tda9874a_dic = dic; /* remember device id. */ 1018 tda9874a_dic = dic; /* remember device id. */
998 return 1; 1019 return 1;
999 } 1020 }
@@ -1113,12 +1134,12 @@ static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
1113static int tda8425_initialize(struct CHIPSTATE *chip) 1134static int tda8425_initialize(struct CHIPSTATE *chip)
1114{ 1135{
1115 struct CHIPDESC *desc = chip->desc; 1136 struct CHIPDESC *desc = chip->desc;
1137 struct i2c_client *c = v4l2_get_subdevdata(&chip->sd);
1116 int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1, 1138 int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
1117 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF}; 1139 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF};
1118 1140
1119 if (chip->c->adapter->id == I2C_HW_B_RIVA) { 1141 if (c->adapter->id == I2C_HW_B_RIVA)
1120 memcpy (desc->inputmap, inputmap, sizeof (inputmap)); 1142 memcpy(desc->inputmap, inputmap, sizeof(inputmap));
1121 }
1122 return 0; 1143 return 0;
1123} 1144}
1124 1145
@@ -1215,9 +1236,11 @@ static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT
1215 1236
1216static void ta8874z_setmode(struct CHIPSTATE *chip, int mode) 1237static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
1217{ 1238{
1239 struct v4l2_subdev *sd = &chip->sd;
1218 int update = 1; 1240 int update = 1;
1219 audiocmd *t = NULL; 1241 audiocmd *t = NULL;
1220 v4l_dbg(1, debug, chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode); 1242
1243 v4l2_dbg(1, debug, sd, "ta8874z_setmode(): mode: 0x%02x\n", mode);
1221 1244
1222 switch(mode){ 1245 switch(mode){
1223 case V4L2_TUNER_MODE_MONO: 1246 case V4L2_TUNER_MODE_MONO:
@@ -1479,142 +1502,11 @@ static struct CHIPDESC chiplist[] = {
1479 1502
1480 1503
1481/* ---------------------------------------------------------------------- */ 1504/* ---------------------------------------------------------------------- */
1482/* i2c registration */
1483
1484static int chip_probe(struct i2c_client *client, const struct i2c_device_id *id)
1485{
1486 struct CHIPSTATE *chip;
1487 struct CHIPDESC *desc;
1488
1489 if (debug) {
1490 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1491 printk(KERN_INFO "tvaudio: known chips: ");
1492 for (desc = chiplist; desc->name != NULL; desc++)
1493 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1494 printk("\n");
1495 }
1496
1497 chip = kzalloc(sizeof(*chip),GFP_KERNEL);
1498 if (!chip)
1499 return -ENOMEM;
1500 chip->c = client;
1501 i2c_set_clientdata(client, chip);
1502 1505
1503 /* find description for the chip */ 1506static int tvaudio_g_ctrl(struct v4l2_subdev *sd,
1504 v4l_dbg(1, debug, client, "chip found @ 0x%x\n", client->addr<<1);
1505 for (desc = chiplist; desc->name != NULL; desc++) {
1506 if (0 == *(desc->insmodopt))
1507 continue;
1508 if (client->addr < desc->addr_lo ||
1509 client->addr > desc->addr_hi)
1510 continue;
1511 if (desc->checkit && !desc->checkit(chip))
1512 continue;
1513 break;
1514 }
1515 if (desc->name == NULL) {
1516 v4l_dbg(1, debug, client, "no matching chip description found\n");
1517 kfree(chip);
1518 return -EIO;
1519 }
1520 v4l_info(client, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name);
1521 if (desc->flags) {
1522 v4l_dbg(1, debug, client, "matches:%s%s%s.\n",
1523 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1524 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1525 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1526 }
1527
1528 /* fill required data structures */
1529 if (!id)
1530 strlcpy(client->name, desc->name, I2C_NAME_SIZE);
1531 chip->desc = desc;
1532 chip->shadow.count = desc->registers+1;
1533 chip->prevmode = -1;
1534 chip->audmode = V4L2_TUNER_MODE_LANG1;
1535
1536 /* initialization */
1537 if (desc->initialize != NULL)
1538 desc->initialize(chip);
1539 else
1540 chip_cmd(chip,"init",&desc->init);
1541
1542 if (desc->flags & CHIP_HAS_VOLUME) {
1543 if (!desc->volfunc) {
1544 /* This shouldn't be happen. Warn user, but keep working
1545 without volume controls
1546 */
1547 v4l_info(chip->c, "volume callback undefined!\n");
1548 desc->flags &= ~CHIP_HAS_VOLUME;
1549 } else {
1550 chip->left = desc->leftinit ? desc->leftinit : 65535;
1551 chip->right = desc->rightinit ? desc->rightinit : 65535;
1552 chip_write(chip, desc->leftreg,
1553 desc->volfunc(chip->left));
1554 chip_write(chip, desc->rightreg,
1555 desc->volfunc(chip->right));
1556 }
1557 }
1558 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1559 if (!desc->bassfunc || !desc->treblefunc) {
1560 /* This shouldn't be happen. Warn user, but keep working
1561 without bass/treble controls
1562 */
1563 v4l_info(chip->c, "bass/treble callbacks undefined!\n");
1564 desc->flags &= ~CHIP_HAS_BASSTREBLE;
1565 } else {
1566 chip->treble = desc->trebleinit ?
1567 desc->trebleinit : 32768;
1568 chip->bass = desc->bassinit ?
1569 desc->bassinit : 32768;
1570 chip_write(chip, desc->bassreg,
1571 desc->bassfunc(chip->bass));
1572 chip_write(chip, desc->treblereg,
1573 desc->treblefunc(chip->treble));
1574 }
1575 }
1576
1577 chip->thread = NULL;
1578 if (desc->flags & CHIP_NEED_CHECKMODE) {
1579 if (!desc->getmode || !desc->setmode) {
1580 /* This shouldn't be happen. Warn user, but keep working
1581 without kthread
1582 */
1583 v4l_info(chip->c, "set/get mode callbacks undefined!\n");
1584 return 0;
1585 }
1586 /* start async thread */
1587 init_timer(&chip->wt);
1588 chip->wt.function = chip_thread_wake;
1589 chip->wt.data = (unsigned long)chip;
1590 chip->thread = kthread_run(chip_thread, chip, chip->c->name);
1591 if (IS_ERR(chip->thread)) {
1592 v4l_warn(chip->c, "%s: failed to create kthread\n",
1593 chip->c->name);
1594 chip->thread = NULL;
1595 }
1596 }
1597 return 0;
1598}
1599
1600static int chip_remove(struct i2c_client *client)
1601{
1602 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1603
1604 del_timer_sync(&chip->wt);
1605 if (chip->thread) {
1606 /* shutdown async thread */
1607 kthread_stop(chip->thread);
1608 chip->thread = NULL;
1609 }
1610
1611 kfree(chip);
1612 return 0;
1613}
1614
1615static int tvaudio_get_ctrl(struct CHIPSTATE *chip,
1616 struct v4l2_control *ctrl) 1507 struct v4l2_control *ctrl)
1617{ 1508{
1509 struct CHIPSTATE *chip = to_state(sd);
1618 struct CHIPDESC *desc = chip->desc; 1510 struct CHIPDESC *desc = chip->desc;
1619 1511
1620 switch (ctrl->id) { 1512 switch (ctrl->id) {
@@ -1652,9 +1544,10 @@ static int tvaudio_get_ctrl(struct CHIPSTATE *chip,
1652 return -EINVAL; 1544 return -EINVAL;
1653} 1545}
1654 1546
1655static int tvaudio_set_ctrl(struct CHIPSTATE *chip, 1547static int tvaudio_s_ctrl(struct v4l2_subdev *sd,
1656 struct v4l2_control *ctrl) 1548 struct v4l2_control *ctrl)
1657{ 1549{
1550 struct CHIPSTATE *chip = to_state(sd);
1658 struct CHIPDESC *desc = chip->desc; 1551 struct CHIPDESC *desc = chip->desc;
1659 1552
1660 switch (ctrl->id) { 1553 switch (ctrl->id) {
@@ -1726,161 +1619,327 @@ static int tvaudio_set_ctrl(struct CHIPSTATE *chip,
1726/* ---------------------------------------------------------------------- */ 1619/* ---------------------------------------------------------------------- */
1727/* video4linux interface */ 1620/* video4linux interface */
1728 1621
1729static int chip_command(struct i2c_client *client, 1622static int tvaudio_s_radio(struct v4l2_subdev *sd)
1730 unsigned int cmd, void *arg)
1731{ 1623{
1732 struct CHIPSTATE *chip = i2c_get_clientdata(client); 1624 struct CHIPSTATE *chip = to_state(sd);
1733 struct CHIPDESC *desc = chip->desc;
1734 1625
1735 if (debug > 0) { 1626 chip->radio = 1;
1736 v4l_i2c_print_ioctl(chip->c, cmd); 1627 chip->watch_stereo = 0;
1737 printk("\n"); 1628 /* del_timer(&chip->wt); */
1629 return 0;
1630}
1631
1632static int tvaudio_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
1633{
1634 struct CHIPSTATE *chip = to_state(sd);
1635 struct CHIPDESC *desc = chip->desc;
1636
1637 switch (qc->id) {
1638 case V4L2_CID_AUDIO_MUTE:
1639 break;
1640 case V4L2_CID_AUDIO_VOLUME:
1641 case V4L2_CID_AUDIO_BALANCE:
1642 if (!(desc->flags & CHIP_HAS_VOLUME))
1643 return -EINVAL;
1644 break;
1645 case V4L2_CID_AUDIO_BASS:
1646 case V4L2_CID_AUDIO_TREBLE:
1647 if (!(desc->flags & CHIP_HAS_BASSTREBLE))
1648 return -EINVAL;
1649 break;
1650 default:
1651 return -EINVAL;
1738 } 1652 }
1653 return v4l2_ctrl_query_fill_std(qc);
1654}
1655
1656static int tvaudio_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *rt)
1657{
1658 struct CHIPSTATE *chip = to_state(sd);
1659 struct CHIPDESC *desc = chip->desc;
1739 1660
1740 switch (cmd) { 1661 if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4)
1741 case AUDC_SET_RADIO: 1662 return -EINVAL;
1742 chip->radio = 1; 1663 /* There are four inputs: tuner, radio, extern and intern. */
1664 chip->input = rt->input;
1665 if (chip->muted)
1666 return 0;
1667 chip_write_masked(chip, desc->inputreg,
1668 desc->inputmap[chip->input], desc->inputmask);
1669 return 0;
1670}
1671
1672static int tvaudio_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1673{
1674 struct CHIPSTATE *chip = to_state(sd);
1675 struct CHIPDESC *desc = chip->desc;
1676 int mode = 0;
1677
1678 if (chip->radio)
1679 return 0;
1680 switch (vt->audmode) {
1681 case V4L2_TUNER_MODE_MONO:
1682 case V4L2_TUNER_MODE_STEREO:
1683 case V4L2_TUNER_MODE_LANG1:
1684 case V4L2_TUNER_MODE_LANG2:
1685 mode = vt->audmode;
1686 break;
1687 case V4L2_TUNER_MODE_LANG1_LANG2:
1688 mode = V4L2_TUNER_MODE_STEREO;
1689 break;
1690 default:
1691 return -EINVAL;
1692 }
1693 chip->audmode = vt->audmode;
1694
1695 if (desc->setmode && mode) {
1743 chip->watch_stereo = 0; 1696 chip->watch_stereo = 0;
1744 /* del_timer(&chip->wt); */ 1697 /* del_timer(&chip->wt); */
1745 break; 1698 chip->mode = mode;
1746 /* --- v4l ioctls --- */ 1699 desc->setmode(chip, mode);
1747 /* take care: bttv does userspace copying, we'll get a
1748 kernel pointer here... */
1749 case VIDIOC_QUERYCTRL:
1750 {
1751 struct v4l2_queryctrl *qc = arg;
1752
1753 switch (qc->id) {
1754 case V4L2_CID_AUDIO_MUTE:
1755 break;
1756 case V4L2_CID_AUDIO_VOLUME:
1757 case V4L2_CID_AUDIO_BALANCE:
1758 if (!(desc->flags & CHIP_HAS_VOLUME))
1759 return -EINVAL;
1760 break;
1761 case V4L2_CID_AUDIO_BASS:
1762 case V4L2_CID_AUDIO_TREBLE:
1763 if (!(desc->flags & CHIP_HAS_BASSTREBLE))
1764 return -EINVAL;
1765 break;
1766 default:
1767 return -EINVAL;
1768 }
1769 return v4l2_ctrl_query_fill_std(qc);
1770 } 1700 }
1771 case VIDIOC_S_CTRL: 1701 return 0;
1772 return tvaudio_set_ctrl(chip, arg); 1702}
1773 1703
1774 case VIDIOC_G_CTRL: 1704static int tvaudio_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1775 return tvaudio_get_ctrl(chip, arg); 1705{
1776 case VIDIOC_INT_G_AUDIO_ROUTING: 1706 struct CHIPSTATE *chip = to_state(sd);
1777 { 1707 struct CHIPDESC *desc = chip->desc;
1778 struct v4l2_routing *rt = arg; 1708 int mode = V4L2_TUNER_MODE_MONO;
1779 1709
1780 rt->input = chip->input; 1710 if (chip->radio)
1781 rt->output = 0; 1711 return 0;
1782 break; 1712 vt->audmode = chip->audmode;
1713 vt->rxsubchans = 0;
1714 vt->capability = V4L2_TUNER_CAP_STEREO |
1715 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
1716
1717 if (desc->getmode)
1718 mode = desc->getmode(chip);
1719
1720 if (mode & V4L2_TUNER_MODE_MONO)
1721 vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
1722 if (mode & V4L2_TUNER_MODE_STEREO)
1723 vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
1724 /* Note: for SAP it should be mono/lang2 or stereo/lang2.
1725 When this module is converted fully to v4l2, then this
1726 should change for those chips that can detect SAP. */
1727 if (mode & V4L2_TUNER_MODE_LANG1)
1728 vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
1729 V4L2_TUNER_SUB_LANG2;
1730 return 0;
1731}
1732
1733static int tvaudio_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
1734{
1735 struct CHIPSTATE *chip = to_state(sd);
1736
1737 chip->radio = 0;
1738 return 0;
1739}
1740
1741static int tvaudio_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
1742{
1743 struct CHIPSTATE *chip = to_state(sd);
1744 struct CHIPDESC *desc = chip->desc;
1745
1746 chip->mode = 0; /* automatic */
1747
1748 /* For chips that provide getmode and setmode, and doesn't
1749 automatically follows the stereo carrier, a kthread is
1750 created to set the audio standard. In this case, when then
1751 the video channel is changed, tvaudio starts on MONO mode.
1752 After waiting for 2 seconds, the kernel thread is called,
1753 to follow whatever audio standard is pointed by the
1754 audio carrier.
1755 */
1756 if (chip->thread) {
1757 desc->setmode(chip, V4L2_TUNER_MODE_MONO);
1758 if (chip->prevmode != V4L2_TUNER_MODE_MONO)
1759 chip->prevmode = -1; /* reset previous mode */
1760 mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
1783 } 1761 }
1784 case VIDIOC_INT_S_AUDIO_ROUTING: 1762 return 0;
1785 { 1763}
1786 struct v4l2_routing *rt = arg;
1787 1764
1788 if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4) 1765static int tvaudio_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_chip_ident *chip)
1789 return -EINVAL; 1766{
1790 /* There are four inputs: tuner, radio, extern and intern. */ 1767 struct i2c_client *client = v4l2_get_subdevdata(sd);
1791 chip->input = rt->input; 1768
1792 if (chip->muted) 1769 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVAUDIO, 0);
1793 break; 1770}
1794 chip_write_masked(chip, desc->inputreg, 1771
1795 desc->inputmap[chip->input], desc->inputmask); 1772static int tvaudio_command(struct i2c_client *client, unsigned cmd, void *arg)
1796 break; 1773{
1774 return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
1775}
1776
1777/* ----------------------------------------------------------------------- */
1778
1779static const struct v4l2_subdev_core_ops tvaudio_core_ops = {
1780 .g_chip_ident = tvaudio_g_chip_ident,
1781 .queryctrl = tvaudio_queryctrl,
1782 .g_ctrl = tvaudio_g_ctrl,
1783 .s_ctrl = tvaudio_s_ctrl,
1784};
1785
1786static const struct v4l2_subdev_tuner_ops tvaudio_tuner_ops = {
1787 .s_radio = tvaudio_s_radio,
1788 .s_frequency = tvaudio_s_frequency,
1789 .s_std = tvaudio_s_std,
1790 .s_tuner = tvaudio_s_tuner,
1791 .s_tuner = tvaudio_g_tuner,
1792};
1793
1794static const struct v4l2_subdev_audio_ops tvaudio_audio_ops = {
1795 .s_routing = tvaudio_s_routing,
1796};
1797
1798static const struct v4l2_subdev_ops tvaudio_ops = {
1799 .core = &tvaudio_core_ops,
1800 .tuner = &tvaudio_tuner_ops,
1801 .audio = &tvaudio_audio_ops,
1802};
1803
1804/* ----------------------------------------------------------------------- */
1805
1806
1807/* i2c registration */
1808
1809static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id *id)
1810{
1811 struct CHIPSTATE *chip;
1812 struct CHIPDESC *desc;
1813 struct v4l2_subdev *sd;
1814
1815 if (debug) {
1816 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1817 printk(KERN_INFO "tvaudio: known chips: ");
1818 for (desc = chiplist; desc->name != NULL; desc++)
1819 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1820 printk("\n");
1797 } 1821 }
1798 case VIDIOC_S_TUNER:
1799 {
1800 struct v4l2_tuner *vt = arg;
1801 int mode = 0;
1802 1822
1803 if (chip->radio) 1823 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1804 break; 1824 if (!chip)
1805 switch (vt->audmode) { 1825 return -ENOMEM;
1806 case V4L2_TUNER_MODE_MONO: 1826 sd = &chip->sd;
1807 case V4L2_TUNER_MODE_STEREO: 1827 v4l2_i2c_subdev_init(sd, client, &tvaudio_ops);
1808 case V4L2_TUNER_MODE_LANG1:
1809 case V4L2_TUNER_MODE_LANG2:
1810 mode = vt->audmode;
1811 break;
1812 case V4L2_TUNER_MODE_LANG1_LANG2:
1813 mode = V4L2_TUNER_MODE_STEREO;
1814 break;
1815 default:
1816 return -EINVAL;
1817 }
1818 chip->audmode = vt->audmode;
1819 1828
1820 if (desc->setmode && mode) { 1829 /* find description for the chip */
1821 chip->watch_stereo = 0; 1830 v4l2_dbg(1, debug, sd, "chip found @ 0x%x\n", client->addr<<1);
1822 /* del_timer(&chip->wt); */ 1831 for (desc = chiplist; desc->name != NULL; desc++) {
1823 chip->mode = mode; 1832 if (0 == *(desc->insmodopt))
1824 desc->setmode(chip, mode); 1833 continue;
1825 } 1834 if (client->addr < desc->addr_lo ||
1835 client->addr > desc->addr_hi)
1836 continue;
1837 if (desc->checkit && !desc->checkit(chip))
1838 continue;
1826 break; 1839 break;
1827 } 1840 }
1828 case VIDIOC_G_TUNER: 1841 if (desc->name == NULL) {
1829 { 1842 v4l2_dbg(1, debug, sd, "no matching chip description found\n");
1830 struct v4l2_tuner *vt = arg; 1843 kfree(chip);
1831 int mode = V4L2_TUNER_MODE_MONO; 1844 return -EIO;
1845 }
1846 v4l2_info(sd, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name);
1847 if (desc->flags) {
1848 v4l2_dbg(1, debug, sd, "matches:%s%s%s.\n",
1849 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1850 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1851 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1852 }
1832 1853
1833 if (chip->radio) 1854 /* fill required data structures */
1834 break; 1855 if (!id)
1835 vt->audmode = chip->audmode; 1856 strlcpy(client->name, desc->name, I2C_NAME_SIZE);
1836 vt->rxsubchans = 0; 1857 chip->desc = desc;
1837 vt->capability = V4L2_TUNER_CAP_STEREO | 1858 chip->shadow.count = desc->registers+1;
1838 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; 1859 chip->prevmode = -1;
1860 chip->audmode = V4L2_TUNER_MODE_LANG1;
1839 1861
1840 if (desc->getmode) 1862 /* initialization */
1841 mode = desc->getmode(chip); 1863 if (desc->initialize != NULL)
1864 desc->initialize(chip);
1865 else
1866 chip_cmd(chip, "init", &desc->init);
1842 1867
1843 if (mode & V4L2_TUNER_MODE_MONO) 1868 if (desc->flags & CHIP_HAS_VOLUME) {
1844 vt->rxsubchans |= V4L2_TUNER_SUB_MONO; 1869 if (!desc->volfunc) {
1845 if (mode & V4L2_TUNER_MODE_STEREO) 1870 /* This shouldn't be happen. Warn user, but keep working
1846 vt->rxsubchans |= V4L2_TUNER_SUB_STEREO; 1871 without volume controls
1847 /* Note: for SAP it should be mono/lang2 or stereo/lang2. 1872 */
1848 When this module is converted fully to v4l2, then this 1873 v4l2_info(sd, "volume callback undefined!\n");
1849 should change for those chips that can detect SAP. */ 1874 desc->flags &= ~CHIP_HAS_VOLUME;
1850 if (mode & V4L2_TUNER_MODE_LANG1) 1875 } else {
1851 vt->rxsubchans = V4L2_TUNER_SUB_LANG1 | 1876 chip->left = desc->leftinit ? desc->leftinit : 65535;
1852 V4L2_TUNER_SUB_LANG2; 1877 chip->right = desc->rightinit ? desc->rightinit : 65535;
1853 break; 1878 chip_write(chip, desc->leftreg,
1879 desc->volfunc(chip->left));
1880 chip_write(chip, desc->rightreg,
1881 desc->volfunc(chip->right));
1882 }
1854 } 1883 }
1855 case VIDIOC_S_STD: 1884 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1856 chip->radio = 0; 1885 if (!desc->bassfunc || !desc->treblefunc) {
1857 break; 1886 /* This shouldn't be happen. Warn user, but keep working
1858 case VIDIOC_S_FREQUENCY: 1887 without bass/treble controls
1859 chip->mode = 0; /* automatic */ 1888 */
1860 1889 v4l2_info(sd, "bass/treble callbacks undefined!\n");
1861 /* For chips that provide getmode and setmode, and doesn't 1890 desc->flags &= ~CHIP_HAS_BASSTREBLE;
1862 automatically follows the stereo carrier, a kthread is 1891 } else {
1863 created to set the audio standard. In this case, when then 1892 chip->treble = desc->trebleinit ?
1864 the video channel is changed, tvaudio starts on MONO mode. 1893 desc->trebleinit : 32768;
1865 After waiting for 2 seconds, the kernel thread is called, 1894 chip->bass = desc->bassinit ?
1866 to follow whatever audio standard is pointed by the 1895 desc->bassinit : 32768;
1867 audio carrier. 1896 chip_write(chip, desc->bassreg,
1868 */ 1897 desc->bassfunc(chip->bass));
1869 if (chip->thread) { 1898 chip_write(chip, desc->treblereg,
1870 desc->setmode(chip,V4L2_TUNER_MODE_MONO); 1899 desc->treblefunc(chip->treble));
1871 if (chip->prevmode != V4L2_TUNER_MODE_MONO)
1872 chip->prevmode = -1; /* reset previous mode */
1873 mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
1874 } 1900 }
1875 break; 1901 }
1876 1902
1877 case VIDIOC_G_CHIP_IDENT: 1903 chip->thread = NULL;
1878 return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0); 1904 if (desc->flags & CHIP_NEED_CHECKMODE) {
1905 if (!desc->getmode || !desc->setmode) {
1906 /* This shouldn't be happen. Warn user, but keep working
1907 without kthread
1908 */
1909 v4l2_info(sd, "set/get mode callbacks undefined!\n");
1910 return 0;
1911 }
1912 /* start async thread */
1913 init_timer(&chip->wt);
1914 chip->wt.function = chip_thread_wake;
1915 chip->wt.data = (unsigned long)chip;
1916 chip->thread = kthread_run(chip_thread, chip, client->name);
1917 if (IS_ERR(chip->thread)) {
1918 v4l2_warn(sd, "failed to create kthread\n");
1919 chip->thread = NULL;
1920 }
1879 } 1921 }
1880 return 0; 1922 return 0;
1881} 1923}
1882 1924
1883static int chip_legacy_probe(struct i2c_adapter *adap) 1925static int tvaudio_remove(struct i2c_client *client)
1926{
1927 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1928 struct CHIPSTATE *chip = to_state(sd);
1929
1930 del_timer_sync(&chip->wt);
1931 if (chip->thread) {
1932 /* shutdown async thread */
1933 kthread_stop(chip->thread);
1934 chip->thread = NULL;
1935 }
1936
1937 v4l2_device_unregister_subdev(sd);
1938 kfree(chip);
1939 return 0;
1940}
1941
1942static int tvaudio_legacy_probe(struct i2c_adapter *adap)
1884{ 1943{
1885 /* don't attach on saa7146 based cards, 1944 /* don't attach on saa7146 based cards,
1886 because dedicated drivers are used */ 1945 because dedicated drivers are used */
@@ -1894,18 +1953,18 @@ static int chip_legacy_probe(struct i2c_adapter *adap)
1894/* This driver supports many devices and the idea is to let the driver 1953/* This driver supports many devices and the idea is to let the driver
1895 detect which device is present. So rather than listing all supported 1954 detect which device is present. So rather than listing all supported
1896 devices here, we pretend to support a single, fake device type. */ 1955 devices here, we pretend to support a single, fake device type. */
1897static const struct i2c_device_id chip_id[] = { 1956static const struct i2c_device_id tvaudio_id[] = {
1898 { "tvaudio", 0 }, 1957 { "tvaudio", 0 },
1899 { } 1958 { }
1900}; 1959};
1901MODULE_DEVICE_TABLE(i2c, chip_id); 1960MODULE_DEVICE_TABLE(i2c, tvaudio_id);
1902 1961
1903static struct v4l2_i2c_driver_data v4l2_i2c_data = { 1962static struct v4l2_i2c_driver_data v4l2_i2c_data = {
1904 .name = "tvaudio", 1963 .name = "tvaudio",
1905 .driverid = I2C_DRIVERID_TVAUDIO, 1964 .driverid = I2C_DRIVERID_TVAUDIO,
1906 .command = chip_command, 1965 .command = tvaudio_command,
1907 .probe = chip_probe, 1966 .probe = tvaudio_probe,
1908 .remove = chip_remove, 1967 .remove = tvaudio_remove,
1909 .legacy_probe = chip_legacy_probe, 1968 .legacy_probe = tvaudio_legacy_probe,
1910 .id_table = chip_id, 1969 .id_table = tvaudio_id,
1911}; 1970};