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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-21 19:50:31 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-21 19:50:31 -0500
commit13a3cec8443290b082af2a5254562aca247fe591 (patch)
tree5c873a2c9333be348266234ac5d7101caa1b6d7d /drivers/media/common/tuners
parent973c9f4f49ca96a53bcf6384c4c59ccd26c33906 (diff)
parent88914bdf8c677ebd7e797adac05e47303fd6ac77 (diff)
Merge branch 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (101 commits) [media] staging/lirc: fix mem leaks and ptr err usage [media] hdpvr: reduce latency of i2c read/write w/recycled buffer [media] hdpvr: enable IR part [media] rc/mceusb: timeout should be in ns, not us [media] v4l2-device: fix 'use-after-freed' oops [media] v4l2-dev: don't memset video_device.dev [media] zoran: use video_device_alloc instead of kmalloc [media] w9966: zero device state after a detach [media] v4l: Fix a use-before-set in the control framework [media] v4l: Include linux/videodev2.h in media/v4l2-ctrls.h [media] DocBook/v4l: update V4L2 revision and update copyright years [media] DocBook/v4l: fix validation error in dev-rds.xml [media] v4l2-ctrls: queryctrl shouldn't attempt to replace V4L2_CID_PRIVATE_BASE IDs [media] v4l2-ctrls: fix missing 'read-only' check [media] pvrusb2: Provide more information about IR units to lirc_zilog and ir-kbd-i2c [media] ir-kbd-i2c: Add back defaults setting for Zilog Z8's at addr 0x71 [media] lirc_zilog: Update TODO.lirc_zilog [media] lirc_zilog: Add Andy Walls to copyright notice and authors list [media] lirc_zilog: Remove useless struct i2c_driver.command function [media] lirc_zilog: Remove unneeded tests for existence of the IR Tx function ...
Diffstat (limited to 'drivers/media/common/tuners')
-rw-r--r--drivers/media/common/tuners/tda8290.c130
1 files changed, 74 insertions, 56 deletions
diff --git a/drivers/media/common/tuners/tda8290.c b/drivers/media/common/tuners/tda8290.c
index c9062ceddc7..bc6a67768af 100644
--- a/drivers/media/common/tuners/tda8290.c
+++ b/drivers/media/common/tuners/tda8290.c
@@ -95,8 +95,7 @@ static int tda8295_i2c_bridge(struct dvb_frontend *fe, int close)
95 msleep(20); 95 msleep(20);
96 } else { 96 } else {
97 msg = disable; 97 msg = disable;
98 tuner_i2c_xfer_send(&priv->i2c_props, msg, 1); 98 tuner_i2c_xfer_send_recv(&priv->i2c_props, msg, 1, &msg[1], 1);
99 tuner_i2c_xfer_recv(&priv->i2c_props, &msg[1], 1);
100 99
101 buf[2] = msg[1]; 100 buf[2] = msg[1];
102 buf[2] &= ~0x04; 101 buf[2] &= ~0x04;
@@ -233,19 +232,22 @@ static void tda8290_set_params(struct dvb_frontend *fe,
233 tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2); 232 tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2);
234 } 233 }
235 234
235
236 tda8290_i2c_bridge(fe, 1); 236 tda8290_i2c_bridge(fe, 1);
237 237
238 if (fe->ops.tuner_ops.set_analog_params) 238 if (fe->ops.tuner_ops.set_analog_params)
239 fe->ops.tuner_ops.set_analog_params(fe, params); 239 fe->ops.tuner_ops.set_analog_params(fe, params);
240 240
241 for (i = 0; i < 3; i++) { 241 for (i = 0; i < 3; i++) {
242 tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); 242 tuner_i2c_xfer_send_recv(&priv->i2c_props,
243 tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); 243 &addr_pll_stat, 1, &pll_stat, 1);
244 if (pll_stat & 0x80) { 244 if (pll_stat & 0x80) {
245 tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1); 245 tuner_i2c_xfer_send_recv(&priv->i2c_props,
246 tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1); 246 &addr_adc_sat, 1,
247 tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); 247 &adc_sat, 1);
248 tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); 248 tuner_i2c_xfer_send_recv(&priv->i2c_props,
249 &addr_agc_stat, 1,
250 &agc_stat, 1);
249 tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat); 251 tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat);
250 break; 252 break;
251 } else { 253 } else {
@@ -259,20 +261,22 @@ static void tda8290_set_params(struct dvb_frontend *fe,
259 agc_stat, adc_sat, pll_stat & 0x80); 261 agc_stat, adc_sat, pll_stat & 0x80);
260 tuner_i2c_xfer_send(&priv->i2c_props, gainset_2, 2); 262 tuner_i2c_xfer_send(&priv->i2c_props, gainset_2, 2);
261 msleep(100); 263 msleep(100);
262 tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); 264 tuner_i2c_xfer_send_recv(&priv->i2c_props,
263 tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); 265 &addr_agc_stat, 1, &agc_stat, 1);
264 tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); 266 tuner_i2c_xfer_send_recv(&priv->i2c_props,
265 tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); 267 &addr_pll_stat, 1, &pll_stat, 1);
266 if ((agc_stat > 115) || !(pll_stat & 0x80)) { 268 if ((agc_stat > 115) || !(pll_stat & 0x80)) {
267 tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n", 269 tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n",
268 agc_stat, pll_stat & 0x80); 270 agc_stat, pll_stat & 0x80);
269 if (priv->cfg.agcf) 271 if (priv->cfg.agcf)
270 priv->cfg.agcf(fe); 272 priv->cfg.agcf(fe);
271 msleep(100); 273 msleep(100);
272 tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); 274 tuner_i2c_xfer_send_recv(&priv->i2c_props,
273 tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); 275 &addr_agc_stat, 1,
274 tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); 276 &agc_stat, 1);
275 tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); 277 tuner_i2c_xfer_send_recv(&priv->i2c_props,
278 &addr_pll_stat, 1,
279 &pll_stat, 1);
276 if((agc_stat > 115) || !(pll_stat & 0x80)) { 280 if((agc_stat > 115) || !(pll_stat & 0x80)) {
277 tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat); 281 tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat);
278 tuner_i2c_xfer_send(&priv->i2c_props, adc_head_12, 2); 282 tuner_i2c_xfer_send(&priv->i2c_props, adc_head_12, 2);
@@ -284,10 +288,12 @@ static void tda8290_set_params(struct dvb_frontend *fe,
284 288
285 /* l/ l' deadlock? */ 289 /* l/ l' deadlock? */
286 if(priv->tda8290_easy_mode & 0x60) { 290 if(priv->tda8290_easy_mode & 0x60) {
287 tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1); 291 tuner_i2c_xfer_send_recv(&priv->i2c_props,
288 tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1); 292 &addr_adc_sat, 1,
289 tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); 293 &adc_sat, 1);
290 tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); 294 tuner_i2c_xfer_send_recv(&priv->i2c_props,
295 &addr_pll_stat, 1,
296 &pll_stat, 1);
291 if ((adc_sat > 20) || !(pll_stat & 0x80)) { 297 if ((adc_sat > 20) || !(pll_stat & 0x80)) {
292 tuner_dbg("trying to resolve SECAM L deadlock\n"); 298 tuner_dbg("trying to resolve SECAM L deadlock\n");
293 tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_on, 2); 299 tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_on, 2);
@@ -307,8 +313,7 @@ static void tda8295_power(struct dvb_frontend *fe, int enable)
307 struct tda8290_priv *priv = fe->analog_demod_priv; 313 struct tda8290_priv *priv = fe->analog_demod_priv;
308 unsigned char buf[] = { 0x30, 0x00 }; /* clb_stdbt */ 314 unsigned char buf[] = { 0x30, 0x00 }; /* clb_stdbt */
309 315
310 tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1); 316 tuner_i2c_xfer_send_recv(&priv->i2c_props, &buf[0], 1, &buf[1], 1);
311 tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
312 317
313 if (enable) 318 if (enable)
314 buf[1] = 0x01; 319 buf[1] = 0x01;
@@ -323,8 +328,7 @@ static void tda8295_set_easy_mode(struct dvb_frontend *fe, int enable)
323 struct tda8290_priv *priv = fe->analog_demod_priv; 328 struct tda8290_priv *priv = fe->analog_demod_priv;
324 unsigned char buf[] = { 0x01, 0x00 }; 329 unsigned char buf[] = { 0x01, 0x00 };
325 330
326 tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1); 331 tuner_i2c_xfer_send_recv(&priv->i2c_props, &buf[0], 1, &buf[1], 1);
327 tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
328 332
329 if (enable) 333 if (enable)
330 buf[1] = 0x01; /* rising edge sets regs 0x02 - 0x23 */ 334 buf[1] = 0x01; /* rising edge sets regs 0x02 - 0x23 */
@@ -353,8 +357,7 @@ static void tda8295_agc1_out(struct dvb_frontend *fe, int enable)
353 struct tda8290_priv *priv = fe->analog_demod_priv; 357 struct tda8290_priv *priv = fe->analog_demod_priv;
354 unsigned char buf[] = { 0x02, 0x00 }; /* DIV_FUNC */ 358 unsigned char buf[] = { 0x02, 0x00 }; /* DIV_FUNC */
355 359
356 tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1); 360 tuner_i2c_xfer_send_recv(&priv->i2c_props, &buf[0], 1, &buf[1], 1);
357 tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
358 361
359 if (enable) 362 if (enable)
360 buf[1] &= ~0x40; 363 buf[1] &= ~0x40;
@@ -370,10 +373,10 @@ static void tda8295_agc2_out(struct dvb_frontend *fe, int enable)
370 unsigned char set_gpio_cf[] = { 0x44, 0x00 }; 373 unsigned char set_gpio_cf[] = { 0x44, 0x00 };
371 unsigned char set_gpio_val[] = { 0x46, 0x00 }; 374 unsigned char set_gpio_val[] = { 0x46, 0x00 };
372 375
373 tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_cf[0], 1); 376 tuner_i2c_xfer_send_recv(&priv->i2c_props,
374 tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_cf[1], 1); 377 &set_gpio_cf[0], 1, &set_gpio_cf[1], 1);
375 tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_val[0], 1); 378 tuner_i2c_xfer_send_recv(&priv->i2c_props,
376 tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_val[1], 1); 379 &set_gpio_val[0], 1, &set_gpio_val[1], 1);
377 380
378 set_gpio_cf[1] &= 0xf0; /* clear GPIO_0 bits 3-0 */ 381 set_gpio_cf[1] &= 0xf0; /* clear GPIO_0 bits 3-0 */
379 382
@@ -392,8 +395,7 @@ static int tda8295_has_signal(struct dvb_frontend *fe)
392 unsigned char hvpll_stat = 0x26; 395 unsigned char hvpll_stat = 0x26;
393 unsigned char ret; 396 unsigned char ret;
394 397
395 tuner_i2c_xfer_send(&priv->i2c_props, &hvpll_stat, 1); 398 tuner_i2c_xfer_send_recv(&priv->i2c_props, &hvpll_stat, 1, &ret, 1);
396 tuner_i2c_xfer_recv(&priv->i2c_props, &ret, 1);
397 return (ret & 0x01) ? 65535 : 0; 399 return (ret & 0x01) ? 65535 : 0;
398} 400}
399 401
@@ -413,8 +415,8 @@ static void tda8295_set_params(struct dvb_frontend *fe,
413 tda8295_power(fe, 1); 415 tda8295_power(fe, 1);
414 tda8295_agc1_out(fe, 1); 416 tda8295_agc1_out(fe, 1);
415 417
416 tuner_i2c_xfer_send(&priv->i2c_props, &blanking_mode[0], 1); 418 tuner_i2c_xfer_send_recv(&priv->i2c_props,
417 tuner_i2c_xfer_recv(&priv->i2c_props, &blanking_mode[1], 1); 419 &blanking_mode[0], 1, &blanking_mode[1], 1);
418 420
419 tda8295_set_video_std(fe); 421 tda8295_set_video_std(fe);
420 422
@@ -447,8 +449,8 @@ static int tda8290_has_signal(struct dvb_frontend *fe)
447 unsigned char i2c_get_afc[1] = { 0x1B }; 449 unsigned char i2c_get_afc[1] = { 0x1B };
448 unsigned char afc = 0; 450 unsigned char afc = 0;
449 451
450 tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc)); 452 tuner_i2c_xfer_send_recv(&priv->i2c_props,
451 tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1); 453 i2c_get_afc, ARRAY_SIZE(i2c_get_afc), &afc, 1);
452 return (afc & 0x80)? 65535:0; 454 return (afc & 0x80)? 65535:0;
453} 455}
454 456
@@ -654,20 +656,26 @@ static int tda829x_find_tuner(struct dvb_frontend *fe)
654static int tda8290_probe(struct tuner_i2c_props *i2c_props) 656static int tda8290_probe(struct tuner_i2c_props *i2c_props)
655{ 657{
656#define TDA8290_ID 0x89 658#define TDA8290_ID 0x89
657 unsigned char tda8290_id[] = { 0x1f, 0x00 }; 659 u8 reg = 0x1f, id;
660 struct i2c_msg msg_read[] = {
661 { .addr = 0x4b, .flags = 0, .len = 1, .buf = &reg },
662 { .addr = 0x4b, .flags = I2C_M_RD, .len = 1, .buf = &id },
663 };
658 664
659 /* detect tda8290 */ 665 /* detect tda8290 */
660 tuner_i2c_xfer_send(i2c_props, &tda8290_id[0], 1); 666 if (i2c_transfer(i2c_props->adap, msg_read, 2) != 2) {
661 tuner_i2c_xfer_recv(i2c_props, &tda8290_id[1], 1); 667 printk(KERN_WARNING "%s: tda8290 couldn't read register 0x%02x\n",
668 __func__, reg);
669 return -ENODEV;
670 }
662 671
663 if (tda8290_id[1] == TDA8290_ID) { 672 if (id == TDA8290_ID) {
664 if (debug) 673 if (debug)
665 printk(KERN_DEBUG "%s: tda8290 detected @ %d-%04x\n", 674 printk(KERN_DEBUG "%s: tda8290 detected @ %d-%04x\n",
666 __func__, i2c_adapter_id(i2c_props->adap), 675 __func__, i2c_adapter_id(i2c_props->adap),
667 i2c_props->addr); 676 i2c_props->addr);
668 return 0; 677 return 0;
669 } 678 }
670
671 return -ENODEV; 679 return -ENODEV;
672} 680}
673 681
@@ -675,16 +683,23 @@ static int tda8295_probe(struct tuner_i2c_props *i2c_props)
675{ 683{
676#define TDA8295_ID 0x8a 684#define TDA8295_ID 0x8a
677#define TDA8295C2_ID 0x8b 685#define TDA8295C2_ID 0x8b
678 unsigned char tda8295_id[] = { 0x2f, 0x00 }; 686 u8 reg = 0x2f, id;
687 struct i2c_msg msg_read[] = {
688 { .addr = 0x4b, .flags = 0, .len = 1, .buf = &reg },
689 { .addr = 0x4b, .flags = I2C_M_RD, .len = 1, .buf = &id },
690 };
679 691
680 /* detect tda8295 */ 692 /* detect tda8290 */
681 tuner_i2c_xfer_send(i2c_props, &tda8295_id[0], 1); 693 if (i2c_transfer(i2c_props->adap, msg_read, 2) != 2) {
682 tuner_i2c_xfer_recv(i2c_props, &tda8295_id[1], 1); 694 printk(KERN_WARNING "%s: tda8290 couldn't read register 0x%02x\n",
695 __func__, reg);
696 return -ENODEV;
697 }
683 698
684 if ((tda8295_id[1] & 0xfe) == TDA8295_ID) { 699 if ((id & 0xfe) == TDA8295_ID) {
685 if (debug) 700 if (debug)
686 printk(KERN_DEBUG "%s: %s detected @ %d-%04x\n", 701 printk(KERN_DEBUG "%s: %s detected @ %d-%04x\n",
687 __func__, (tda8295_id[1] == TDA8295_ID) ? 702 __func__, (id == TDA8295_ID) ?
688 "tda8295c1" : "tda8295c2", 703 "tda8295c1" : "tda8295c2",
689 i2c_adapter_id(i2c_props->adap), 704 i2c_adapter_id(i2c_props->adap),
690 i2c_props->addr); 705 i2c_props->addr);
@@ -740,9 +755,11 @@ struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
740 sizeof(struct analog_demod_ops)); 755 sizeof(struct analog_demod_ops));
741 } 756 }
742 757
743 if ((!(cfg) || (TDA829X_PROBE_TUNER == cfg->probe_tuner)) && 758 if (!(cfg) || (TDA829X_PROBE_TUNER == cfg->probe_tuner)) {
744 (tda829x_find_tuner(fe) < 0)) 759 tda8295_power(fe, 1);
745 goto fail; 760 if (tda829x_find_tuner(fe) < 0)
761 goto fail;
762 }
746 763
747 switch (priv->ver) { 764 switch (priv->ver) {
748 case TDA8290: 765 case TDA8290:
@@ -786,6 +803,8 @@ struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
786 return fe; 803 return fe;
787 804
788fail: 805fail:
806 memset(&fe->ops.analog_ops, 0, sizeof(struct analog_demod_ops));
807
789 tda829x_release(fe); 808 tda829x_release(fe);
790 return NULL; 809 return NULL;
791} 810}
@@ -809,8 +828,8 @@ int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
809 int i; 828 int i;
810 829
811 /* rule out tda9887, which would return the same byte repeatedly */ 830 /* rule out tda9887, which would return the same byte repeatedly */
812 tuner_i2c_xfer_send(&i2c_props, soft_reset, 1); 831 tuner_i2c_xfer_send_recv(&i2c_props,
813 tuner_i2c_xfer_recv(&i2c_props, buf, PROBE_BUFFER_SIZE); 832 soft_reset, 1, buf, PROBE_BUFFER_SIZE);
814 for (i = 1; i < PROBE_BUFFER_SIZE; i++) { 833 for (i = 1; i < PROBE_BUFFER_SIZE; i++) {
815 if (buf[i] != buf[0]) 834 if (buf[i] != buf[0])
816 break; 835 break;
@@ -827,13 +846,12 @@ int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
827 /* fall back to old probing method */ 846 /* fall back to old probing method */
828 tuner_i2c_xfer_send(&i2c_props, easy_mode_b, 2); 847 tuner_i2c_xfer_send(&i2c_props, easy_mode_b, 2);
829 tuner_i2c_xfer_send(&i2c_props, soft_reset, 2); 848 tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
830 tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1); 849 tuner_i2c_xfer_send_recv(&i2c_props, &addr_dto_lsb, 1, &data, 1);
831 tuner_i2c_xfer_recv(&i2c_props, &data, 1);
832 if (data == 0) { 850 if (data == 0) {
833 tuner_i2c_xfer_send(&i2c_props, easy_mode_g, 2); 851 tuner_i2c_xfer_send(&i2c_props, easy_mode_g, 2);
834 tuner_i2c_xfer_send(&i2c_props, soft_reset, 2); 852 tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
835 tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1); 853 tuner_i2c_xfer_send_recv(&i2c_props,
836 tuner_i2c_xfer_recv(&i2c_props, &data, 1); 854 &addr_dto_lsb, 1, &data, 1);
837 if (data == 0x7b) { 855 if (data == 0x7b) {
838 return 0; 856 return 0;
839 } 857 }