Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / drivers / media / usb / cx231xx / cx231xx-avcore.c
blob6139ef5d891d6be2ccc86a94085e56e753371360
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 cx231xx_avcore.c - driver for Conexant Cx23100/101/102
4 USB video capture devices
6 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
8 This program contains the specific code to control the avdecoder chip and
9 other related usb control functions for cx231xx based chipset.
13 #include "cx231xx.h"
14 #include <linux/init.h>
15 #include <linux/list.h>
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/bitmap.h>
19 #include <linux/i2c.h>
20 #include <linux/mm.h>
21 #include <linux/mutex.h>
22 #include <media/tuner.h>
24 #include <media/v4l2-common.h>
25 #include <media/v4l2-ioctl.h>
27 #include "cx231xx-dif.h"
29 #define TUNER_MODE_FM_RADIO 0
30 /******************************************************************************
31 -: BLOCK ARRANGEMENT :-
32 I2S block ----------------------|
33 [I2S audio] |
35 Analog Front End --> Direct IF -|-> Cx25840 --> Audio
36 [video & audio] | [Audio]
38 |-> Cx25840 --> Video
39 [Video]
41 *******************************************************************************/
42 /******************************************************************************
43 * VERVE REGISTER *
44 * *
45 ******************************************************************************/
46 static int verve_write_byte(struct cx231xx *dev, u8 saddr, u8 data)
48 return cx231xx_write_i2c_data(dev, VERVE_I2C_ADDRESS,
49 saddr, 1, data, 1);
52 static int verve_read_byte(struct cx231xx *dev, u8 saddr, u8 *data)
54 int status;
55 u32 temp = 0;
57 status = cx231xx_read_i2c_data(dev, VERVE_I2C_ADDRESS,
58 saddr, 1, &temp, 1);
59 *data = (u8) temp;
60 return status;
62 void initGPIO(struct cx231xx *dev)
64 u32 _gpio_direction = 0;
65 u32 value = 0;
66 u8 val = 0;
68 _gpio_direction = _gpio_direction & 0xFC0003FF;
69 _gpio_direction = _gpio_direction | 0x03FDFC00;
70 cx231xx_send_gpio_cmd(dev, _gpio_direction, (u8 *)&value, 4, 0, 0);
72 verve_read_byte(dev, 0x07, &val);
73 dev_dbg(dev->dev, "verve_read_byte address0x07=0x%x\n", val);
74 verve_write_byte(dev, 0x07, 0xF4);
75 verve_read_byte(dev, 0x07, &val);
76 dev_dbg(dev->dev, "verve_read_byte address0x07=0x%x\n", val);
78 cx231xx_capture_start(dev, 1, Vbi);
80 cx231xx_mode_register(dev, EP_MODE_SET, 0x0500FE00);
81 cx231xx_mode_register(dev, GBULK_BIT_EN, 0xFFFDFFFF);
84 void uninitGPIO(struct cx231xx *dev)
86 u8 value[4] = { 0, 0, 0, 0 };
88 cx231xx_capture_start(dev, 0, Vbi);
89 verve_write_byte(dev, 0x07, 0x14);
90 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
91 0x68, value, 4);
94 /******************************************************************************
95 * A F E - B L O C K C O N T R O L functions *
96 * [ANALOG FRONT END] *
97 ******************************************************************************/
98 static int afe_write_byte(struct cx231xx *dev, u16 saddr, u8 data)
100 return cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS,
101 saddr, 2, data, 1);
104 static int afe_read_byte(struct cx231xx *dev, u16 saddr, u8 *data)
106 int status;
107 u32 temp = 0;
109 status = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
110 saddr, 2, &temp, 1);
111 *data = (u8) temp;
112 return status;
115 int cx231xx_afe_init_super_block(struct cx231xx *dev, u32 ref_count)
117 int status = 0;
118 u8 temp = 0;
119 u8 afe_power_status = 0;
120 int i = 0;
122 /* super block initialize */
123 temp = (u8) (ref_count & 0xff);
124 status = afe_write_byte(dev, SUP_BLK_TUNE2, temp);
125 if (status < 0)
126 return status;
128 status = afe_read_byte(dev, SUP_BLK_TUNE2, &afe_power_status);
129 if (status < 0)
130 return status;
132 temp = (u8) ((ref_count & 0x300) >> 8);
133 temp |= 0x40;
134 status = afe_write_byte(dev, SUP_BLK_TUNE1, temp);
135 if (status < 0)
136 return status;
138 status = afe_write_byte(dev, SUP_BLK_PLL2, 0x0f);
139 if (status < 0)
140 return status;
142 /* enable pll */
143 while (afe_power_status != 0x18) {
144 status = afe_write_byte(dev, SUP_BLK_PWRDN, 0x18);
145 if (status < 0) {
146 dev_dbg(dev->dev,
147 "%s: Init Super Block failed in send cmd\n",
148 __func__);
149 break;
152 status = afe_read_byte(dev, SUP_BLK_PWRDN, &afe_power_status);
153 afe_power_status &= 0xff;
154 if (status < 0) {
155 dev_dbg(dev->dev,
156 "%s: Init Super Block failed in receive cmd\n",
157 __func__);
158 break;
160 i++;
161 if (i == 10) {
162 dev_dbg(dev->dev,
163 "%s: Init Super Block force break in loop !!!!\n",
164 __func__);
165 status = -1;
166 break;
170 if (status < 0)
171 return status;
173 /* start tuning filter */
174 status = afe_write_byte(dev, SUP_BLK_TUNE3, 0x40);
175 if (status < 0)
176 return status;
178 msleep(5);
180 /* exit tuning */
181 status = afe_write_byte(dev, SUP_BLK_TUNE3, 0x00);
183 return status;
186 int cx231xx_afe_init_channels(struct cx231xx *dev)
188 int status = 0;
190 /* power up all 3 channels, clear pd_buffer */
191 status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1, 0x00);
192 status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2, 0x00);
193 status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3, 0x00);
195 /* Enable quantizer calibration */
196 status = afe_write_byte(dev, ADC_COM_QUANT, 0x02);
198 /* channel initialize, force modulator (fb) reset */
199 status = afe_write_byte(dev, ADC_FB_FRCRST_CH1, 0x17);
200 status = afe_write_byte(dev, ADC_FB_FRCRST_CH2, 0x17);
201 status = afe_write_byte(dev, ADC_FB_FRCRST_CH3, 0x17);
203 /* start quantilizer calibration */
204 status = afe_write_byte(dev, ADC_CAL_ATEST_CH1, 0x10);
205 status = afe_write_byte(dev, ADC_CAL_ATEST_CH2, 0x10);
206 status = afe_write_byte(dev, ADC_CAL_ATEST_CH3, 0x10);
207 msleep(5);
209 /* exit modulator (fb) reset */
210 status = afe_write_byte(dev, ADC_FB_FRCRST_CH1, 0x07);
211 status = afe_write_byte(dev, ADC_FB_FRCRST_CH2, 0x07);
212 status = afe_write_byte(dev, ADC_FB_FRCRST_CH3, 0x07);
214 /* enable the pre_clamp in each channel for single-ended input */
215 status = afe_write_byte(dev, ADC_NTF_PRECLMP_EN_CH1, 0xf0);
216 status = afe_write_byte(dev, ADC_NTF_PRECLMP_EN_CH2, 0xf0);
217 status = afe_write_byte(dev, ADC_NTF_PRECLMP_EN_CH3, 0xf0);
219 /* use diode instead of resistor, so set term_en to 0, res_en to 0 */
220 status = cx231xx_reg_mask_write(dev, AFE_DEVICE_ADDRESS, 8,
221 ADC_QGAIN_RES_TRM_CH1, 3, 7, 0x00);
222 status = cx231xx_reg_mask_write(dev, AFE_DEVICE_ADDRESS, 8,
223 ADC_QGAIN_RES_TRM_CH2, 3, 7, 0x00);
224 status = cx231xx_reg_mask_write(dev, AFE_DEVICE_ADDRESS, 8,
225 ADC_QGAIN_RES_TRM_CH3, 3, 7, 0x00);
227 /* dynamic element matching off */
228 status = afe_write_byte(dev, ADC_DCSERVO_DEM_CH1, 0x03);
229 status = afe_write_byte(dev, ADC_DCSERVO_DEM_CH2, 0x03);
230 status = afe_write_byte(dev, ADC_DCSERVO_DEM_CH3, 0x03);
232 return status;
235 int cx231xx_afe_setup_AFE_for_baseband(struct cx231xx *dev)
237 u8 c_value = 0;
238 int status = 0;
240 status = afe_read_byte(dev, ADC_PWRDN_CLAMP_CH2, &c_value);
241 c_value &= (~(0x50));
242 status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2, c_value);
244 return status;
248 The Analog Front End in Cx231xx has 3 channels. These
249 channels are used to share between different inputs
250 like tuner, s-video and composite inputs.
252 channel 1 ----- pin 1 to pin4(in reg is 1-4)
253 channel 2 ----- pin 5 to pin8(in reg is 5-8)
254 channel 3 ----- pin 9 to pin 12(in reg is 9-11)
256 int cx231xx_afe_set_input_mux(struct cx231xx *dev, u32 input_mux)
258 u8 ch1_setting = (u8) input_mux;
259 u8 ch2_setting = (u8) (input_mux >> 8);
260 u8 ch3_setting = (u8) (input_mux >> 16);
261 int status = 0;
262 u8 value = 0;
264 if (ch1_setting != 0) {
265 status = afe_read_byte(dev, ADC_INPUT_CH1, &value);
266 value &= ~INPUT_SEL_MASK;
267 value |= (ch1_setting - 1) << 4;
268 value &= 0xff;
269 status = afe_write_byte(dev, ADC_INPUT_CH1, value);
272 if (ch2_setting != 0) {
273 status = afe_read_byte(dev, ADC_INPUT_CH2, &value);
274 value &= ~INPUT_SEL_MASK;
275 value |= (ch2_setting - 1) << 4;
276 value &= 0xff;
277 status = afe_write_byte(dev, ADC_INPUT_CH2, value);
280 /* For ch3_setting, the value to put in the register is
281 7 less than the input number */
282 if (ch3_setting != 0) {
283 status = afe_read_byte(dev, ADC_INPUT_CH3, &value);
284 value &= ~INPUT_SEL_MASK;
285 value |= (ch3_setting - 1) << 4;
286 value &= 0xff;
287 status = afe_write_byte(dev, ADC_INPUT_CH3, value);
290 return status;
293 int cx231xx_afe_set_mode(struct cx231xx *dev, enum AFE_MODE mode)
295 int status = 0;
298 * FIXME: We need to implement the AFE code for LOW IF and for HI IF.
299 * Currently, only baseband works.
302 switch (mode) {
303 case AFE_MODE_LOW_IF:
304 cx231xx_Setup_AFE_for_LowIF(dev);
305 break;
306 case AFE_MODE_BASEBAND:
307 status = cx231xx_afe_setup_AFE_for_baseband(dev);
308 break;
309 case AFE_MODE_EU_HI_IF:
310 /* SetupAFEforEuHiIF(); */
311 break;
312 case AFE_MODE_US_HI_IF:
313 /* SetupAFEforUsHiIF(); */
314 break;
315 case AFE_MODE_JAPAN_HI_IF:
316 /* SetupAFEforJapanHiIF(); */
317 break;
320 if ((mode != dev->afe_mode) &&
321 (dev->video_input == CX231XX_VMUX_TELEVISION))
322 status = cx231xx_afe_adjust_ref_count(dev,
323 CX231XX_VMUX_TELEVISION);
325 dev->afe_mode = mode;
327 return status;
330 int cx231xx_afe_update_power_control(struct cx231xx *dev,
331 enum AV_MODE avmode)
333 u8 afe_power_status = 0;
334 int status = 0;
336 switch (dev->model) {
337 case CX231XX_BOARD_CNXT_CARRAERA:
338 case CX231XX_BOARD_CNXT_RDE_250:
339 case CX231XX_BOARD_CNXT_SHELBY:
340 case CX231XX_BOARD_CNXT_RDU_250:
341 case CX231XX_BOARD_CNXT_RDE_253S:
342 case CX231XX_BOARD_CNXT_RDU_253S:
343 case CX231XX_BOARD_CNXT_VIDEO_GRABBER:
344 case CX231XX_BOARD_HAUPPAUGE_EXETER:
345 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
346 case CX231XX_BOARD_HAUPPAUGE_USBLIVE2:
347 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
348 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
349 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
350 case CX231XX_BOARD_OTG102:
351 if (avmode == POLARIS_AVMODE_ANALOGT_TV) {
352 while (afe_power_status != (FLD_PWRDN_TUNING_BIAS |
353 FLD_PWRDN_ENABLE_PLL)) {
354 status = afe_write_byte(dev, SUP_BLK_PWRDN,
355 FLD_PWRDN_TUNING_BIAS |
356 FLD_PWRDN_ENABLE_PLL);
357 status |= afe_read_byte(dev, SUP_BLK_PWRDN,
358 &afe_power_status);
359 if (status < 0)
360 break;
363 status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
364 0x00);
365 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
366 0x00);
367 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
368 0x00);
369 } else if (avmode == POLARIS_AVMODE_DIGITAL) {
370 status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
371 0x70);
372 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
373 0x70);
374 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
375 0x70);
377 status |= afe_read_byte(dev, SUP_BLK_PWRDN,
378 &afe_power_status);
379 afe_power_status |= FLD_PWRDN_PD_BANDGAP |
380 FLD_PWRDN_PD_BIAS |
381 FLD_PWRDN_PD_TUNECK;
382 status |= afe_write_byte(dev, SUP_BLK_PWRDN,
383 afe_power_status);
384 } else if (avmode == POLARIS_AVMODE_ENXTERNAL_AV) {
385 while (afe_power_status != (FLD_PWRDN_TUNING_BIAS |
386 FLD_PWRDN_ENABLE_PLL)) {
387 status = afe_write_byte(dev, SUP_BLK_PWRDN,
388 FLD_PWRDN_TUNING_BIAS |
389 FLD_PWRDN_ENABLE_PLL);
390 status |= afe_read_byte(dev, SUP_BLK_PWRDN,
391 &afe_power_status);
392 if (status < 0)
393 break;
396 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
397 0x00);
398 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
399 0x00);
400 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
401 0x00);
402 } else {
403 dev_dbg(dev->dev, "Invalid AV mode input\n");
404 status = -1;
406 break;
407 default:
408 if (avmode == POLARIS_AVMODE_ANALOGT_TV) {
409 while (afe_power_status != (FLD_PWRDN_TUNING_BIAS |
410 FLD_PWRDN_ENABLE_PLL)) {
411 status = afe_write_byte(dev, SUP_BLK_PWRDN,
412 FLD_PWRDN_TUNING_BIAS |
413 FLD_PWRDN_ENABLE_PLL);
414 status |= afe_read_byte(dev, SUP_BLK_PWRDN,
415 &afe_power_status);
416 if (status < 0)
417 break;
420 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
421 0x40);
422 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
423 0x40);
424 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
425 0x00);
426 } else if (avmode == POLARIS_AVMODE_DIGITAL) {
427 status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
428 0x70);
429 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
430 0x70);
431 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
432 0x70);
434 status |= afe_read_byte(dev, SUP_BLK_PWRDN,
435 &afe_power_status);
436 afe_power_status |= FLD_PWRDN_PD_BANDGAP |
437 FLD_PWRDN_PD_BIAS |
438 FLD_PWRDN_PD_TUNECK;
439 status |= afe_write_byte(dev, SUP_BLK_PWRDN,
440 afe_power_status);
441 } else if (avmode == POLARIS_AVMODE_ENXTERNAL_AV) {
442 while (afe_power_status != (FLD_PWRDN_TUNING_BIAS |
443 FLD_PWRDN_ENABLE_PLL)) {
444 status = afe_write_byte(dev, SUP_BLK_PWRDN,
445 FLD_PWRDN_TUNING_BIAS |
446 FLD_PWRDN_ENABLE_PLL);
447 status |= afe_read_byte(dev, SUP_BLK_PWRDN,
448 &afe_power_status);
449 if (status < 0)
450 break;
453 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
454 0x00);
455 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
456 0x00);
457 status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
458 0x40);
459 } else {
460 dev_dbg(dev->dev, "Invalid AV mode input\n");
461 status = -1;
463 } /* switch */
465 return status;
468 int cx231xx_afe_adjust_ref_count(struct cx231xx *dev, u32 video_input)
470 u8 input_mode = 0;
471 u8 ntf_mode = 0;
472 int status = 0;
474 dev->video_input = video_input;
476 if (video_input == CX231XX_VMUX_TELEVISION) {
477 status = afe_read_byte(dev, ADC_INPUT_CH3, &input_mode);
478 status = afe_read_byte(dev, ADC_NTF_PRECLMP_EN_CH3,
479 &ntf_mode);
480 } else {
481 status = afe_read_byte(dev, ADC_INPUT_CH1, &input_mode);
482 status = afe_read_byte(dev, ADC_NTF_PRECLMP_EN_CH1,
483 &ntf_mode);
486 input_mode = (ntf_mode & 0x3) | ((input_mode & 0x6) << 1);
488 switch (input_mode) {
489 case SINGLE_ENDED:
490 dev->afe_ref_count = 0x23C;
491 break;
492 case LOW_IF:
493 dev->afe_ref_count = 0x24C;
494 break;
495 case EU_IF:
496 dev->afe_ref_count = 0x258;
497 break;
498 case US_IF:
499 dev->afe_ref_count = 0x260;
500 break;
501 default:
502 break;
505 status = cx231xx_afe_init_super_block(dev, dev->afe_ref_count);
507 return status;
510 /******************************************************************************
511 * V I D E O / A U D I O D E C O D E R C O N T R O L functions *
512 ******************************************************************************/
513 static int vid_blk_write_byte(struct cx231xx *dev, u16 saddr, u8 data)
515 return cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS,
516 saddr, 2, data, 1);
519 static int vid_blk_read_byte(struct cx231xx *dev, u16 saddr, u8 *data)
521 int status;
522 u32 temp = 0;
524 status = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
525 saddr, 2, &temp, 1);
526 *data = (u8) temp;
527 return status;
530 static int vid_blk_write_word(struct cx231xx *dev, u16 saddr, u32 data)
532 return cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS,
533 saddr, 2, data, 4);
536 static int vid_blk_read_word(struct cx231xx *dev, u16 saddr, u32 *data)
538 return cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
539 saddr, 2, data, 4);
541 int cx231xx_check_fw(struct cx231xx *dev)
543 u8 temp = 0;
544 int status = 0;
545 status = vid_blk_read_byte(dev, DL_CTL_ADDRESS_LOW, &temp);
546 if (status < 0)
547 return status;
548 else
549 return temp;
553 int cx231xx_set_video_input_mux(struct cx231xx *dev, u8 input)
555 int status = 0;
557 switch (INPUT(input)->type) {
558 case CX231XX_VMUX_COMPOSITE1:
559 case CX231XX_VMUX_SVIDEO:
560 if ((dev->current_pcb_config.type == USB_BUS_POWER) &&
561 (dev->power_mode != POLARIS_AVMODE_ENXTERNAL_AV)) {
562 /* External AV */
563 status = cx231xx_set_power_mode(dev,
564 POLARIS_AVMODE_ENXTERNAL_AV);
565 if (status < 0) {
566 dev_err(dev->dev,
567 "%s: Failed to set Power - errCode [%d]!\n",
568 __func__, status);
569 return status;
572 status = cx231xx_set_decoder_video_input(dev,
573 INPUT(input)->type,
574 INPUT(input)->vmux);
575 break;
576 case CX231XX_VMUX_TELEVISION:
577 case CX231XX_VMUX_CABLE:
578 if ((dev->current_pcb_config.type == USB_BUS_POWER) &&
579 (dev->power_mode != POLARIS_AVMODE_ANALOGT_TV)) {
580 /* Tuner */
581 status = cx231xx_set_power_mode(dev,
582 POLARIS_AVMODE_ANALOGT_TV);
583 if (status < 0) {
584 dev_err(dev->dev,
585 "%s: Failed to set Power - errCode [%d]!\n",
586 __func__, status);
587 return status;
590 switch (dev->model) { /* i2c device tuners */
591 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
592 case CX231XX_BOARD_HAUPPAUGE_935C:
593 case CX231XX_BOARD_HAUPPAUGE_955Q:
594 case CX231XX_BOARD_HAUPPAUGE_975:
595 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD:
596 status = cx231xx_set_decoder_video_input(dev,
597 CX231XX_VMUX_TELEVISION,
598 INPUT(input)->vmux);
599 break;
600 default:
601 if (dev->tuner_type == TUNER_NXP_TDA18271)
602 status = cx231xx_set_decoder_video_input(dev,
603 CX231XX_VMUX_TELEVISION,
604 INPUT(input)->vmux);
605 else
606 status = cx231xx_set_decoder_video_input(dev,
607 CX231XX_VMUX_COMPOSITE1,
608 INPUT(input)->vmux);
609 break;
612 break;
613 default:
614 dev_err(dev->dev, "%s: Unknown Input %d !\n",
615 __func__, INPUT(input)->type);
616 break;
619 /* save the selection */
620 dev->video_input = input;
622 return status;
625 int cx231xx_set_decoder_video_input(struct cx231xx *dev,
626 u8 pin_type, u32 input)
628 int status = 0;
629 u32 value = 0;
631 if (pin_type != dev->video_input) {
632 status = cx231xx_afe_adjust_ref_count(dev, pin_type);
633 if (status < 0) {
634 dev_err(dev->dev,
635 "%s: adjust_ref_count :Failed to set AFE input mux - errCode [%d]!\n",
636 __func__, status);
637 return status;
641 /* call afe block to set video inputs */
642 status = cx231xx_afe_set_input_mux(dev, input);
643 if (status < 0) {
644 dev_err(dev->dev,
645 "%s: set_input_mux :Failed to set AFE input mux - errCode [%d]!\n",
646 __func__, status);
647 return status;
650 switch (pin_type) {
651 case CX231XX_VMUX_COMPOSITE1:
652 status = vid_blk_read_word(dev, AFE_CTRL, &value);
653 value |= (0 << 13) | (1 << 4);
654 value &= ~(1 << 5);
656 /* set [24:23] [22:15] to 0 */
657 value &= (~(0x1ff8000));
658 /* set FUNC_MODE[24:23] = 2 IF_MOD[22:15] = 0 */
659 value |= 0x1000000;
660 status = vid_blk_write_word(dev, AFE_CTRL, value);
662 status = vid_blk_read_word(dev, OUT_CTRL1, &value);
663 value |= (1 << 7);
664 status = vid_blk_write_word(dev, OUT_CTRL1, value);
666 /* Set output mode */
667 status = cx231xx_read_modify_write_i2c_dword(dev,
668 VID_BLK_I2C_ADDRESS,
669 OUT_CTRL1,
670 FLD_OUT_MODE,
671 dev->board.output_mode);
673 /* Tell DIF object to go to baseband mode */
674 status = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
675 if (status < 0) {
676 dev_err(dev->dev,
677 "%s: cx231xx_dif set to By pass mode- errCode [%d]!\n",
678 __func__, status);
679 return status;
682 /* Read the DFE_CTRL1 register */
683 status = vid_blk_read_word(dev, DFE_CTRL1, &value);
685 /* enable the VBI_GATE_EN */
686 value |= FLD_VBI_GATE_EN;
688 /* Enable the auto-VGA enable */
689 value |= FLD_VGA_AUTO_EN;
691 /* Write it back */
692 status = vid_blk_write_word(dev, DFE_CTRL1, value);
694 /* Disable auto config of registers */
695 status = cx231xx_read_modify_write_i2c_dword(dev,
696 VID_BLK_I2C_ADDRESS,
697 MODE_CTRL, FLD_ACFG_DIS,
698 cx231xx_set_field(FLD_ACFG_DIS, 1));
700 /* Set CVBS input mode */
701 status = cx231xx_read_modify_write_i2c_dword(dev,
702 VID_BLK_I2C_ADDRESS,
703 MODE_CTRL, FLD_INPUT_MODE,
704 cx231xx_set_field(FLD_INPUT_MODE, INPUT_MODE_CVBS_0));
705 break;
706 case CX231XX_VMUX_SVIDEO:
707 /* Disable the use of DIF */
709 status = vid_blk_read_word(dev, AFE_CTRL, &value);
711 /* set [24:23] [22:15] to 0 */
712 value &= (~(0x1ff8000));
713 /* set FUNC_MODE[24:23] = 2
714 IF_MOD[22:15] = 0 DCR_BYP_CH2[4:4] = 1; */
715 value |= 0x1000010;
716 status = vid_blk_write_word(dev, AFE_CTRL, value);
718 /* Tell DIF object to go to baseband mode */
719 status = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
720 if (status < 0) {
721 dev_err(dev->dev,
722 "%s: cx231xx_dif set to By pass mode- errCode [%d]!\n",
723 __func__, status);
724 return status;
727 /* Read the DFE_CTRL1 register */
728 status = vid_blk_read_word(dev, DFE_CTRL1, &value);
730 /* enable the VBI_GATE_EN */
731 value |= FLD_VBI_GATE_EN;
733 /* Enable the auto-VGA enable */
734 value |= FLD_VGA_AUTO_EN;
736 /* Write it back */
737 status = vid_blk_write_word(dev, DFE_CTRL1, value);
739 /* Disable auto config of registers */
740 status = cx231xx_read_modify_write_i2c_dword(dev,
741 VID_BLK_I2C_ADDRESS,
742 MODE_CTRL, FLD_ACFG_DIS,
743 cx231xx_set_field(FLD_ACFG_DIS, 1));
745 /* Set YC input mode */
746 status = cx231xx_read_modify_write_i2c_dword(dev,
747 VID_BLK_I2C_ADDRESS,
748 MODE_CTRL,
749 FLD_INPUT_MODE,
750 cx231xx_set_field(FLD_INPUT_MODE, INPUT_MODE_YC_1));
752 /* Chroma to ADC2 */
753 status = vid_blk_read_word(dev, AFE_CTRL, &value);
754 value |= FLD_CHROMA_IN_SEL; /* set the chroma in select */
756 /* Clear VGA_SEL_CH2 and VGA_SEL_CH3 (bits 7 and 8)
757 This sets them to use video
758 rather than audio. Only one of the two will be in use. */
759 value &= ~(FLD_VGA_SEL_CH2 | FLD_VGA_SEL_CH3);
761 status = vid_blk_write_word(dev, AFE_CTRL, value);
763 status = cx231xx_afe_set_mode(dev, AFE_MODE_BASEBAND);
764 break;
765 case CX231XX_VMUX_TELEVISION:
766 case CX231XX_VMUX_CABLE:
767 default:
768 /* TODO: Test if this is also needed for xc2028/xc3028 */
769 if (dev->board.tuner_type == TUNER_XC5000) {
770 /* Disable the use of DIF */
772 status = vid_blk_read_word(dev, AFE_CTRL, &value);
773 value |= (0 << 13) | (1 << 4);
774 value &= ~(1 << 5);
776 /* set [24:23] [22:15] to 0 */
777 value &= (~(0x1FF8000));
778 /* set FUNC_MODE[24:23] = 2 IF_MOD[22:15] = 0 */
779 value |= 0x1000000;
780 status = vid_blk_write_word(dev, AFE_CTRL, value);
782 status = vid_blk_read_word(dev, OUT_CTRL1, &value);
783 value |= (1 << 7);
784 status = vid_blk_write_word(dev, OUT_CTRL1, value);
786 /* Set output mode */
787 status = cx231xx_read_modify_write_i2c_dword(dev,
788 VID_BLK_I2C_ADDRESS,
789 OUT_CTRL1, FLD_OUT_MODE,
790 dev->board.output_mode);
792 /* Tell DIF object to go to baseband mode */
793 status = cx231xx_dif_set_standard(dev,
794 DIF_USE_BASEBAND);
795 if (status < 0) {
796 dev_err(dev->dev,
797 "%s: cx231xx_dif set to By pass mode- errCode [%d]!\n",
798 __func__, status);
799 return status;
802 /* Read the DFE_CTRL1 register */
803 status = vid_blk_read_word(dev, DFE_CTRL1, &value);
805 /* enable the VBI_GATE_EN */
806 value |= FLD_VBI_GATE_EN;
808 /* Enable the auto-VGA enable */
809 value |= FLD_VGA_AUTO_EN;
811 /* Write it back */
812 status = vid_blk_write_word(dev, DFE_CTRL1, value);
814 /* Disable auto config of registers */
815 status = cx231xx_read_modify_write_i2c_dword(dev,
816 VID_BLK_I2C_ADDRESS,
817 MODE_CTRL, FLD_ACFG_DIS,
818 cx231xx_set_field(FLD_ACFG_DIS, 1));
820 /* Set CVBS input mode */
821 status = cx231xx_read_modify_write_i2c_dword(dev,
822 VID_BLK_I2C_ADDRESS,
823 MODE_CTRL, FLD_INPUT_MODE,
824 cx231xx_set_field(FLD_INPUT_MODE,
825 INPUT_MODE_CVBS_0));
826 } else {
827 /* Enable the DIF for the tuner */
829 /* Reinitialize the DIF */
830 status = cx231xx_dif_set_standard(dev, dev->norm);
831 if (status < 0) {
832 dev_err(dev->dev,
833 "%s: cx231xx_dif set to By pass mode- errCode [%d]!\n",
834 __func__, status);
835 return status;
838 /* Make sure bypass is cleared */
839 status = vid_blk_read_word(dev, DIF_MISC_CTRL, &value);
841 /* Clear the bypass bit */
842 value &= ~FLD_DIF_DIF_BYPASS;
844 /* Enable the use of the DIF block */
845 status = vid_blk_write_word(dev, DIF_MISC_CTRL, value);
847 /* Read the DFE_CTRL1 register */
848 status = vid_blk_read_word(dev, DFE_CTRL1, &value);
850 /* Disable the VBI_GATE_EN */
851 value &= ~FLD_VBI_GATE_EN;
853 /* Enable the auto-VGA enable, AGC, and
854 set the skip count to 2 */
855 value |= FLD_VGA_AUTO_EN | FLD_AGC_AUTO_EN | 0x00200000;
857 /* Write it back */
858 status = vid_blk_write_word(dev, DFE_CTRL1, value);
860 /* Wait until AGC locks up */
861 msleep(1);
863 /* Disable the auto-VGA enable AGC */
864 value &= ~(FLD_VGA_AUTO_EN);
866 /* Write it back */
867 status = vid_blk_write_word(dev, DFE_CTRL1, value);
869 /* Enable Polaris B0 AGC output */
870 status = vid_blk_read_word(dev, PIN_CTRL, &value);
871 value |= (FLD_OEF_AGC_RF) |
872 (FLD_OEF_AGC_IFVGA) |
873 (FLD_OEF_AGC_IF);
874 status = vid_blk_write_word(dev, PIN_CTRL, value);
876 /* Set output mode */
877 status = cx231xx_read_modify_write_i2c_dword(dev,
878 VID_BLK_I2C_ADDRESS,
879 OUT_CTRL1, FLD_OUT_MODE,
880 dev->board.output_mode);
882 /* Disable auto config of registers */
883 status = cx231xx_read_modify_write_i2c_dword(dev,
884 VID_BLK_I2C_ADDRESS,
885 MODE_CTRL, FLD_ACFG_DIS,
886 cx231xx_set_field(FLD_ACFG_DIS, 1));
888 /* Set CVBS input mode */
889 status = cx231xx_read_modify_write_i2c_dword(dev,
890 VID_BLK_I2C_ADDRESS,
891 MODE_CTRL, FLD_INPUT_MODE,
892 cx231xx_set_field(FLD_INPUT_MODE,
893 INPUT_MODE_CVBS_0));
895 /* Set some bits in AFE_CTRL so that channel 2 or 3
896 * is ready to receive audio */
897 /* Clear clamp for channels 2 and 3 (bit 16-17) */
898 /* Clear droop comp (bit 19-20) */
899 /* Set VGA_SEL (for audio control) (bit 7-8) */
900 status = vid_blk_read_word(dev, AFE_CTRL, &value);
902 /*Set Func mode:01-DIF 10-baseband 11-YUV*/
903 value &= (~(FLD_FUNC_MODE));
904 value |= 0x800000;
906 value |= FLD_VGA_SEL_CH3 | FLD_VGA_SEL_CH2;
908 status = vid_blk_write_word(dev, AFE_CTRL, value);
910 if (dev->tuner_type == TUNER_NXP_TDA18271) {
911 status = vid_blk_read_word(dev, PIN_CTRL,
912 &value);
913 status = vid_blk_write_word(dev, PIN_CTRL,
914 (value & 0xFFFFFFEF));
917 break;
920 break;
923 /* Set raw VBI mode */
924 status = cx231xx_read_modify_write_i2c_dword(dev,
925 VID_BLK_I2C_ADDRESS,
926 OUT_CTRL1, FLD_VBIHACTRAW_EN,
927 cx231xx_set_field(FLD_VBIHACTRAW_EN, 1));
929 status = vid_blk_read_word(dev, OUT_CTRL1, &value);
930 if (value & 0x02) {
931 value |= (1 << 19);
932 status = vid_blk_write_word(dev, OUT_CTRL1, value);
935 return status;
938 void cx231xx_enable656(struct cx231xx *dev)
940 u8 temp = 0;
941 /*enable TS1 data[0:7] as output to export 656*/
943 vid_blk_write_byte(dev, TS1_PIN_CTL0, 0xFF);
945 /*enable TS1 clock as output to export 656*/
947 vid_blk_read_byte(dev, TS1_PIN_CTL1, &temp);
948 temp = temp|0x04;
950 vid_blk_write_byte(dev, TS1_PIN_CTL1, temp);
952 EXPORT_SYMBOL_GPL(cx231xx_enable656);
954 void cx231xx_disable656(struct cx231xx *dev)
956 u8 temp = 0;
958 vid_blk_write_byte(dev, TS1_PIN_CTL0, 0x00);
960 vid_blk_read_byte(dev, TS1_PIN_CTL1, &temp);
961 temp = temp&0xFB;
963 vid_blk_write_byte(dev, TS1_PIN_CTL1, temp);
965 EXPORT_SYMBOL_GPL(cx231xx_disable656);
968 * Handle any video-mode specific overrides that are different
969 * on a per video standards basis after touching the MODE_CTRL
970 * register which resets many values for autodetect
972 int cx231xx_do_mode_ctrl_overrides(struct cx231xx *dev)
974 int status = 0;
976 dev_dbg(dev->dev, "%s: 0x%x\n",
977 __func__, (unsigned int)dev->norm);
979 /* Change the DFE_CTRL3 bp_percent to fix flagging */
980 status = vid_blk_write_word(dev, DFE_CTRL3, 0xCD3F0280);
982 if (dev->norm & (V4L2_STD_NTSC | V4L2_STD_PAL_M)) {
983 dev_dbg(dev->dev, "%s: NTSC\n", __func__);
985 /* Move the close caption lines out of active video,
986 adjust the active video start point */
987 status = cx231xx_read_modify_write_i2c_dword(dev,
988 VID_BLK_I2C_ADDRESS,
989 VERT_TIM_CTRL,
990 FLD_VBLANK_CNT, 0x18);
991 status = cx231xx_read_modify_write_i2c_dword(dev,
992 VID_BLK_I2C_ADDRESS,
993 VERT_TIM_CTRL,
994 FLD_VACTIVE_CNT,
995 0x1E7000);
996 status = cx231xx_read_modify_write_i2c_dword(dev,
997 VID_BLK_I2C_ADDRESS,
998 VERT_TIM_CTRL,
999 FLD_V656BLANK_CNT,
1000 0x1C000000);
1002 status = cx231xx_read_modify_write_i2c_dword(dev,
1003 VID_BLK_I2C_ADDRESS,
1004 HORIZ_TIM_CTRL,
1005 FLD_HBLANK_CNT,
1006 cx231xx_set_field
1007 (FLD_HBLANK_CNT, 0x79));
1009 } else if (dev->norm & V4L2_STD_SECAM) {
1010 dev_dbg(dev->dev, "%s: SECAM\n", __func__);
1011 status = cx231xx_read_modify_write_i2c_dword(dev,
1012 VID_BLK_I2C_ADDRESS,
1013 VERT_TIM_CTRL,
1014 FLD_VBLANK_CNT, 0x20);
1015 status = cx231xx_read_modify_write_i2c_dword(dev,
1016 VID_BLK_I2C_ADDRESS,
1017 VERT_TIM_CTRL,
1018 FLD_VACTIVE_CNT,
1019 cx231xx_set_field
1020 (FLD_VACTIVE_CNT,
1021 0x244));
1022 status = cx231xx_read_modify_write_i2c_dword(dev,
1023 VID_BLK_I2C_ADDRESS,
1024 VERT_TIM_CTRL,
1025 FLD_V656BLANK_CNT,
1026 cx231xx_set_field
1027 (FLD_V656BLANK_CNT,
1028 0x24));
1029 /* Adjust the active video horizontal start point */
1030 status = cx231xx_read_modify_write_i2c_dword(dev,
1031 VID_BLK_I2C_ADDRESS,
1032 HORIZ_TIM_CTRL,
1033 FLD_HBLANK_CNT,
1034 cx231xx_set_field
1035 (FLD_HBLANK_CNT, 0x85));
1036 } else {
1037 dev_dbg(dev->dev, "%s: PAL\n", __func__);
1038 status = cx231xx_read_modify_write_i2c_dword(dev,
1039 VID_BLK_I2C_ADDRESS,
1040 VERT_TIM_CTRL,
1041 FLD_VBLANK_CNT, 0x20);
1042 status = cx231xx_read_modify_write_i2c_dword(dev,
1043 VID_BLK_I2C_ADDRESS,
1044 VERT_TIM_CTRL,
1045 FLD_VACTIVE_CNT,
1046 cx231xx_set_field
1047 (FLD_VACTIVE_CNT,
1048 0x244));
1049 status = cx231xx_read_modify_write_i2c_dword(dev,
1050 VID_BLK_I2C_ADDRESS,
1051 VERT_TIM_CTRL,
1052 FLD_V656BLANK_CNT,
1053 cx231xx_set_field
1054 (FLD_V656BLANK_CNT,
1055 0x24));
1056 /* Adjust the active video horizontal start point */
1057 status = cx231xx_read_modify_write_i2c_dword(dev,
1058 VID_BLK_I2C_ADDRESS,
1059 HORIZ_TIM_CTRL,
1060 FLD_HBLANK_CNT,
1061 cx231xx_set_field
1062 (FLD_HBLANK_CNT, 0x85));
1066 return status;
1069 int cx231xx_unmute_audio(struct cx231xx *dev)
1071 return vid_blk_write_byte(dev, PATH1_VOL_CTL, 0x24);
1073 EXPORT_SYMBOL_GPL(cx231xx_unmute_audio);
1075 static int stopAudioFirmware(struct cx231xx *dev)
1077 return vid_blk_write_byte(dev, DL_CTL_CONTROL, 0x03);
1080 static int restartAudioFirmware(struct cx231xx *dev)
1082 return vid_blk_write_byte(dev, DL_CTL_CONTROL, 0x13);
1085 int cx231xx_set_audio_input(struct cx231xx *dev, u8 input)
1087 int status = 0;
1088 enum AUDIO_INPUT ainput = AUDIO_INPUT_LINE;
1090 switch (INPUT(input)->amux) {
1091 case CX231XX_AMUX_VIDEO:
1092 ainput = AUDIO_INPUT_TUNER_TV;
1093 break;
1094 case CX231XX_AMUX_LINE_IN:
1095 status = cx231xx_i2s_blk_set_audio_input(dev, input);
1096 ainput = AUDIO_INPUT_LINE;
1097 break;
1098 default:
1099 break;
1102 status = cx231xx_set_audio_decoder_input(dev, ainput);
1104 return status;
1107 int cx231xx_set_audio_decoder_input(struct cx231xx *dev,
1108 enum AUDIO_INPUT audio_input)
1110 u32 dwval;
1111 int status;
1112 u8 gen_ctrl;
1113 u32 value = 0;
1115 /* Put it in soft reset */
1116 status = vid_blk_read_byte(dev, GENERAL_CTL, &gen_ctrl);
1117 gen_ctrl |= 1;
1118 status = vid_blk_write_byte(dev, GENERAL_CTL, gen_ctrl);
1120 switch (audio_input) {
1121 case AUDIO_INPUT_LINE:
1122 /* setup AUD_IO control from Merlin paralle output */
1123 value = cx231xx_set_field(FLD_AUD_CHAN1_SRC,
1124 AUD_CHAN_SRC_PARALLEL);
1125 status = vid_blk_write_word(dev, AUD_IO_CTRL, value);
1127 /* setup input to Merlin, SRC2 connect to AC97
1128 bypass upsample-by-2, slave mode, sony mode, left justify
1129 adr 091c, dat 01000000 */
1130 status = vid_blk_read_word(dev, AC97_CTL, &dwval);
1132 status = vid_blk_write_word(dev, AC97_CTL,
1133 (dwval | FLD_AC97_UP2X_BYPASS));
1135 /* select the parallel1 and SRC3 */
1136 status = vid_blk_write_word(dev, BAND_OUT_SEL,
1137 cx231xx_set_field(FLD_SRC3_IN_SEL, 0x0) |
1138 cx231xx_set_field(FLD_SRC3_CLK_SEL, 0x0) |
1139 cx231xx_set_field(FLD_PARALLEL1_SRC_SEL, 0x0));
1141 /* unmute all, AC97 in, independence mode
1142 adr 08d0, data 0x00063073 */
1143 status = vid_blk_write_word(dev, DL_CTL, 0x3000001);
1144 status = vid_blk_write_word(dev, PATH1_CTL1, 0x00063073);
1146 /* set AVC maximum threshold, adr 08d4, dat ffff0024 */
1147 status = vid_blk_read_word(dev, PATH1_VOL_CTL, &dwval);
1148 status = vid_blk_write_word(dev, PATH1_VOL_CTL,
1149 (dwval | FLD_PATH1_AVC_THRESHOLD));
1151 /* set SC maximum threshold, adr 08ec, dat ffffb3a3 */
1152 status = vid_blk_read_word(dev, PATH1_SC_CTL, &dwval);
1153 status = vid_blk_write_word(dev, PATH1_SC_CTL,
1154 (dwval | FLD_PATH1_SC_THRESHOLD));
1155 break;
1157 case AUDIO_INPUT_TUNER_TV:
1158 default:
1159 status = stopAudioFirmware(dev);
1160 /* Setup SRC sources and clocks */
1161 status = vid_blk_write_word(dev, BAND_OUT_SEL,
1162 cx231xx_set_field(FLD_SRC6_IN_SEL, 0x00) |
1163 cx231xx_set_field(FLD_SRC6_CLK_SEL, 0x01) |
1164 cx231xx_set_field(FLD_SRC5_IN_SEL, 0x00) |
1165 cx231xx_set_field(FLD_SRC5_CLK_SEL, 0x02) |
1166 cx231xx_set_field(FLD_SRC4_IN_SEL, 0x02) |
1167 cx231xx_set_field(FLD_SRC4_CLK_SEL, 0x03) |
1168 cx231xx_set_field(FLD_SRC3_IN_SEL, 0x00) |
1169 cx231xx_set_field(FLD_SRC3_CLK_SEL, 0x00) |
1170 cx231xx_set_field(FLD_BASEBAND_BYPASS_CTL, 0x00) |
1171 cx231xx_set_field(FLD_AC97_SRC_SEL, 0x03) |
1172 cx231xx_set_field(FLD_I2S_SRC_SEL, 0x00) |
1173 cx231xx_set_field(FLD_PARALLEL2_SRC_SEL, 0x02) |
1174 cx231xx_set_field(FLD_PARALLEL1_SRC_SEL, 0x01));
1176 /* Setup the AUD_IO control */
1177 status = vid_blk_write_word(dev, AUD_IO_CTRL,
1178 cx231xx_set_field(FLD_I2S_PORT_DIR, 0x00) |
1179 cx231xx_set_field(FLD_I2S_OUT_SRC, 0x00) |
1180 cx231xx_set_field(FLD_AUD_CHAN3_SRC, 0x00) |
1181 cx231xx_set_field(FLD_AUD_CHAN2_SRC, 0x00) |
1182 cx231xx_set_field(FLD_AUD_CHAN1_SRC, 0x03));
1184 status = vid_blk_write_word(dev, PATH1_CTL1, 0x1F063870);
1186 /* setAudioStandard(_audio_standard); */
1187 status = vid_blk_write_word(dev, PATH1_CTL1, 0x00063870);
1189 status = restartAudioFirmware(dev);
1191 switch (dev->board.tuner_type) {
1192 case TUNER_XC5000:
1193 /* SIF passthrough at 28.6363 MHz sample rate */
1194 status = cx231xx_read_modify_write_i2c_dword(dev,
1195 VID_BLK_I2C_ADDRESS,
1196 CHIP_CTRL,
1197 FLD_SIF_EN,
1198 cx231xx_set_field(FLD_SIF_EN, 1));
1199 break;
1200 case TUNER_NXP_TDA18271:
1201 /* Normal mode: SIF passthrough at 14.32 MHz */
1202 status = cx231xx_read_modify_write_i2c_dword(dev,
1203 VID_BLK_I2C_ADDRESS,
1204 CHIP_CTRL,
1205 FLD_SIF_EN,
1206 cx231xx_set_field(FLD_SIF_EN, 0));
1207 break;
1208 default:
1209 switch (dev->model) { /* i2c device tuners */
1210 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
1211 case CX231XX_BOARD_HAUPPAUGE_935C:
1212 case CX231XX_BOARD_HAUPPAUGE_955Q:
1213 case CX231XX_BOARD_HAUPPAUGE_975:
1214 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD:
1215 /* TODO: Normal mode: SIF passthrough at 14.32 MHz?? */
1216 break;
1217 default:
1218 /* This is just a casual suggestion to people adding
1219 new boards in case they use a tuner type we don't
1220 currently know about */
1221 dev_info(dev->dev,
1222 "Unknown tuner type configuring SIF");
1223 break;
1226 break;
1228 case AUDIO_INPUT_TUNER_FM:
1229 /* use SIF for FM radio
1230 setupFM();
1231 setAudioStandard(_audio_standard);
1233 break;
1235 case AUDIO_INPUT_MUTE:
1236 status = vid_blk_write_word(dev, PATH1_CTL1, 0x1F011012);
1237 break;
1240 /* Take it out of soft reset */
1241 status = vid_blk_read_byte(dev, GENERAL_CTL, &gen_ctrl);
1242 gen_ctrl &= ~1;
1243 status = vid_blk_write_byte(dev, GENERAL_CTL, gen_ctrl);
1245 return status;
1248 /******************************************************************************
1249 * C H I P Specific C O N T R O L functions *
1250 ******************************************************************************/
1251 int cx231xx_init_ctrl_pin_status(struct cx231xx *dev)
1253 u32 value;
1254 int status = 0;
1256 status = vid_blk_read_word(dev, PIN_CTRL, &value);
1257 value |= (~dev->board.ctl_pin_status_mask);
1258 status = vid_blk_write_word(dev, PIN_CTRL, value);
1260 return status;
1263 int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev,
1264 u8 analog_or_digital)
1266 int status;
1268 /* first set the direction to output */
1269 status = cx231xx_set_gpio_direction(dev,
1270 dev->board.
1271 agc_analog_digital_select_gpio, 1);
1273 /* 0 - demod ; 1 - Analog mode */
1274 status = cx231xx_set_gpio_value(dev,
1275 dev->board.agc_analog_digital_select_gpio,
1276 analog_or_digital);
1278 if (status < 0)
1279 return status;
1281 return 0;
1284 int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3)
1286 u8 value[4] = { 0, 0, 0, 0 };
1287 int status = 0;
1288 bool current_is_port_3;
1291 * Should this code check dev->port_3_switch_enabled first
1292 * to skip unnecessary reading of the register?
1293 * If yes, the flag dev->port_3_switch_enabled must be initialized
1294 * correctly.
1297 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1298 PWR_CTL_EN, value, 4);
1299 if (status < 0)
1300 return status;
1302 current_is_port_3 = value[0] & I2C_DEMOD_EN ? true : false;
1304 /* Just return, if already using the right port */
1305 if (current_is_port_3 == is_port_3)
1306 return 0;
1308 if (is_port_3)
1309 value[0] |= I2C_DEMOD_EN;
1310 else
1311 value[0] &= ~I2C_DEMOD_EN;
1313 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1314 PWR_CTL_EN, value, 4);
1316 /* remember status of the switch for usage in is_tuner */
1317 if (status >= 0)
1318 dev->port_3_switch_enabled = is_port_3;
1320 return status;
1323 EXPORT_SYMBOL_GPL(cx231xx_enable_i2c_port_3);
1325 void update_HH_register_after_set_DIF(struct cx231xx *dev)
1328 u8 status = 0;
1329 u32 value = 0;
1331 vid_blk_write_word(dev, PIN_CTRL, 0xA0FFF82F);
1332 vid_blk_write_word(dev, DIF_MISC_CTRL, 0x0A203F11);
1333 vid_blk_write_word(dev, DIF_SRC_PHASE_INC, 0x1BEFBF06);
1335 status = vid_blk_read_word(dev, AFE_CTRL_C2HH_SRC_CTRL, &value);
1336 vid_blk_write_word(dev, AFE_CTRL_C2HH_SRC_CTRL, 0x4485D390);
1337 status = vid_blk_read_word(dev, AFE_CTRL_C2HH_SRC_CTRL, &value);
1341 #if 0
1342 static void cx231xx_dump_SC_reg(struct cx231xx *dev)
1344 u8 value[4] = { 0, 0, 0, 0 };
1345 dev_dbg(dev->dev, "%s!\n", __func__);
1347 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, BOARD_CFG_STAT,
1348 value, 4);
1349 dev_dbg(dev->dev,
1350 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", BOARD_CFG_STAT, value[0],
1351 value[1], value[2], value[3]);
1352 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS_MODE_REG,
1353 value, 4);
1354 dev_dbg(dev->dev,
1355 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS_MODE_REG, value[0],
1356 value[1], value[2], value[3]);
1357 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS1_CFG_REG,
1358 value, 4);
1359 dev_dbg(dev->dev,
1360 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS1_CFG_REG, value[0],
1361 value[1], value[2], value[3]);
1362 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS1_LENGTH_REG,
1363 value, 4);
1364 dev_dbg(dev->dev,
1365 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS1_LENGTH_REG, value[0],
1366 value[1], value[2], value[3]);
1368 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS2_CFG_REG,
1369 value, 4);
1370 dev_dbg(dev->dev,
1371 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS2_CFG_REG, value[0],
1372 value[1], value[2], value[3]);
1373 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS2_LENGTH_REG,
1374 value, 4);
1375 dev_dbg(dev->dev,
1376 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS2_LENGTH_REG, value[0],
1377 value[1], value[2], value[3]);
1378 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, EP_MODE_SET,
1379 value, 4);
1380 dev_dbg(dev->dev,
1381 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", EP_MODE_SET, value[0],
1382 value[1], value[2], value[3]);
1383 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN1,
1384 value, 4);
1385 dev_dbg(dev->dev,
1386 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN1, value[0],
1387 value[1], value[2], value[3]);
1389 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN2,
1390 value, 4);
1391 dev_dbg(dev->dev,
1392 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN2, value[0],
1393 value[1], value[2], value[3]);
1394 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN3,
1395 value, 4);
1396 dev_dbg(dev->dev,
1397 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN3, value[0],
1398 value[1], value[2], value[3]);
1399 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK0,
1400 value, 4);
1401 dev_dbg(dev->dev,
1402 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK0, value[0],
1403 value[1], value[2], value[3]);
1404 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK1,
1405 value, 4);
1406 dev_dbg(dev->dev,
1407 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK1, value[0],
1408 value[1], value[2], value[3]);
1410 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK2,
1411 value, 4);
1412 dev_dbg(dev->dev,
1413 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK2, value[0],
1414 value[1], value[2], value[3]);
1415 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_GAIN,
1416 value, 4);
1417 dev_dbg(dev->dev,
1418 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_GAIN, value[0],
1419 value[1], value[2], value[3]);
1420 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_CAR_REG,
1421 value, 4);
1422 dev_dbg(dev->dev,
1423 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_CAR_REG, value[0],
1424 value[1], value[2], value[3]);
1425 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_OT_CFG1,
1426 value, 4);
1427 dev_dbg(dev->dev,
1428 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_OT_CFG1, value[0],
1429 value[1], value[2], value[3]);
1431 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_OT_CFG2,
1432 value, 4);
1433 dev_dbg(dev->dev,
1434 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_OT_CFG2, value[0],
1435 value[1], value[2], value[3]);
1436 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
1437 value, 4);
1438 dev_dbg(dev->dev,
1439 "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, value[0],
1440 value[1], value[2], value[3]);
1442 #endif
1444 void cx231xx_Setup_AFE_for_LowIF(struct cx231xx *dev)
1447 u8 value = 0;
1449 afe_read_byte(dev, ADC_STATUS2_CH3, &value);
1450 value = (value & 0xFE)|0x01;
1451 afe_write_byte(dev, ADC_STATUS2_CH3, value);
1453 afe_read_byte(dev, ADC_STATUS2_CH3, &value);
1454 value = (value & 0xFE)|0x00;
1455 afe_write_byte(dev, ADC_STATUS2_CH3, value);
1459 config colibri to lo-if mode
1461 FIXME: ntf_mode = 2'b00 by default. But set 0x1 would reduce
1462 the diff IF input by half,
1464 for low-if agc defect
1467 afe_read_byte(dev, ADC_NTF_PRECLMP_EN_CH3, &value);
1468 value = (value & 0xFC)|0x00;
1469 afe_write_byte(dev, ADC_NTF_PRECLMP_EN_CH3, value);
1471 afe_read_byte(dev, ADC_INPUT_CH3, &value);
1472 value = (value & 0xF9)|0x02;
1473 afe_write_byte(dev, ADC_INPUT_CH3, value);
1475 afe_read_byte(dev, ADC_FB_FRCRST_CH3, &value);
1476 value = (value & 0xFB)|0x04;
1477 afe_write_byte(dev, ADC_FB_FRCRST_CH3, value);
1479 afe_read_byte(dev, ADC_DCSERVO_DEM_CH3, &value);
1480 value = (value & 0xFC)|0x03;
1481 afe_write_byte(dev, ADC_DCSERVO_DEM_CH3, value);
1483 afe_read_byte(dev, ADC_CTRL_DAC1_CH3, &value);
1484 value = (value & 0xFB)|0x04;
1485 afe_write_byte(dev, ADC_CTRL_DAC1_CH3, value);
1487 afe_read_byte(dev, ADC_CTRL_DAC23_CH3, &value);
1488 value = (value & 0xF8)|0x06;
1489 afe_write_byte(dev, ADC_CTRL_DAC23_CH3, value);
1491 afe_read_byte(dev, ADC_CTRL_DAC23_CH3, &value);
1492 value = (value & 0x8F)|0x40;
1493 afe_write_byte(dev, ADC_CTRL_DAC23_CH3, value);
1495 afe_read_byte(dev, ADC_PWRDN_CLAMP_CH3, &value);
1496 value = (value & 0xDF)|0x20;
1497 afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3, value);
1500 void cx231xx_set_Colibri_For_LowIF(struct cx231xx *dev, u32 if_freq,
1501 u8 spectral_invert, u32 mode)
1503 u32 colibri_carrier_offset = 0;
1504 u32 func_mode = 0x01; /* Device has a DIF if this function is called */
1505 u32 standard = 0;
1506 u8 value[4] = { 0, 0, 0, 0 };
1508 dev_dbg(dev->dev, "Enter cx231xx_set_Colibri_For_LowIF()\n");
1509 value[0] = (u8) 0x6F;
1510 value[1] = (u8) 0x6F;
1511 value[2] = (u8) 0x6F;
1512 value[3] = (u8) 0x6F;
1513 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1514 PWR_CTL_EN, value, 4);
1516 /*Set colibri for low IF*/
1517 cx231xx_afe_set_mode(dev, AFE_MODE_LOW_IF);
1519 /* Set C2HH for low IF operation.*/
1520 standard = dev->norm;
1521 cx231xx_dif_configure_C2HH_for_low_IF(dev, dev->active_mode,
1522 func_mode, standard);
1524 /* Get colibri offsets.*/
1525 colibri_carrier_offset = cx231xx_Get_Colibri_CarrierOffset(mode,
1526 standard);
1528 dev_dbg(dev->dev, "colibri_carrier_offset=%d, standard=0x%x\n",
1529 colibri_carrier_offset, standard);
1531 /* Set the band Pass filter for DIF*/
1532 cx231xx_set_DIF_bandpass(dev, (if_freq+colibri_carrier_offset),
1533 spectral_invert, mode);
1536 u32 cx231xx_Get_Colibri_CarrierOffset(u32 mode, u32 standerd)
1538 u32 colibri_carrier_offset = 0;
1540 if (mode == TUNER_MODE_FM_RADIO) {
1541 colibri_carrier_offset = 1100000;
1542 } else if (standerd & (V4L2_STD_MN | V4L2_STD_NTSC_M_JP)) {
1543 colibri_carrier_offset = 4832000; /*4.83MHz */
1544 } else if (standerd & (V4L2_STD_PAL_B | V4L2_STD_PAL_G)) {
1545 colibri_carrier_offset = 2700000; /*2.70MHz */
1546 } else if (standerd & (V4L2_STD_PAL_D | V4L2_STD_PAL_I
1547 | V4L2_STD_SECAM)) {
1548 colibri_carrier_offset = 2100000; /*2.10MHz */
1551 return colibri_carrier_offset;
1554 void cx231xx_set_DIF_bandpass(struct cx231xx *dev, u32 if_freq,
1555 u8 spectral_invert, u32 mode)
1557 unsigned long pll_freq_word;
1558 u32 dif_misc_ctrl_value = 0;
1559 u64 pll_freq_u64 = 0;
1560 u32 i = 0;
1562 dev_dbg(dev->dev, "if_freq=%d;spectral_invert=0x%x;mode=0x%x\n",
1563 if_freq, spectral_invert, mode);
1566 if (mode == TUNER_MODE_FM_RADIO) {
1567 pll_freq_word = 0x905A1CAC;
1568 vid_blk_write_word(dev, DIF_PLL_FREQ_WORD, pll_freq_word);
1570 } else /*KSPROPERTY_TUNER_MODE_TV*/{
1571 /* Calculate the PLL frequency word based on the adjusted if_freq*/
1572 pll_freq_word = if_freq;
1573 pll_freq_u64 = (u64)pll_freq_word << 28L;
1574 do_div(pll_freq_u64, 50000000);
1575 pll_freq_word = (u32)pll_freq_u64;
1576 /*pll_freq_word = 0x3463497;*/
1577 vid_blk_write_word(dev, DIF_PLL_FREQ_WORD, pll_freq_word);
1579 if (spectral_invert) {
1580 if_freq -= 400000;
1581 /* Enable Spectral Invert*/
1582 vid_blk_read_word(dev, DIF_MISC_CTRL,
1583 &dif_misc_ctrl_value);
1584 dif_misc_ctrl_value = dif_misc_ctrl_value | 0x00200000;
1585 vid_blk_write_word(dev, DIF_MISC_CTRL,
1586 dif_misc_ctrl_value);
1587 } else {
1588 if_freq += 400000;
1589 /* Disable Spectral Invert*/
1590 vid_blk_read_word(dev, DIF_MISC_CTRL,
1591 &dif_misc_ctrl_value);
1592 dif_misc_ctrl_value = dif_misc_ctrl_value & 0xFFDFFFFF;
1593 vid_blk_write_word(dev, DIF_MISC_CTRL,
1594 dif_misc_ctrl_value);
1597 if_freq = (if_freq / 100000) * 100000;
1599 if (if_freq < 3000000)
1600 if_freq = 3000000;
1602 if (if_freq > 16000000)
1603 if_freq = 16000000;
1606 dev_dbg(dev->dev, "Enter IF=%zu\n", ARRAY_SIZE(Dif_set_array));
1607 for (i = 0; i < ARRAY_SIZE(Dif_set_array); i++) {
1608 if (Dif_set_array[i].if_freq == if_freq) {
1609 vid_blk_write_word(dev,
1610 Dif_set_array[i].register_address, Dif_set_array[i].value);
1615 /******************************************************************************
1616 * D I F - B L O C K C O N T R O L functions *
1617 ******************************************************************************/
1618 int cx231xx_dif_configure_C2HH_for_low_IF(struct cx231xx *dev, u32 mode,
1619 u32 function_mode, u32 standard)
1621 int status = 0;
1624 if (mode == V4L2_TUNER_RADIO) {
1625 /* C2HH */
1626 /* lo if big signal */
1627 status = cx231xx_reg_mask_write(dev,
1628 VID_BLK_I2C_ADDRESS, 32,
1629 AFE_CTRL_C2HH_SRC_CTRL, 30, 31, 0x1);
1630 /* FUNC_MODE = DIF */
1631 status = cx231xx_reg_mask_write(dev,
1632 VID_BLK_I2C_ADDRESS, 32,
1633 AFE_CTRL_C2HH_SRC_CTRL, 23, 24, function_mode);
1634 /* IF_MODE */
1635 status = cx231xx_reg_mask_write(dev,
1636 VID_BLK_I2C_ADDRESS, 32,
1637 AFE_CTRL_C2HH_SRC_CTRL, 15, 22, 0xFF);
1638 /* no inv */
1639 status = cx231xx_reg_mask_write(dev,
1640 VID_BLK_I2C_ADDRESS, 32,
1641 AFE_CTRL_C2HH_SRC_CTRL, 9, 9, 0x1);
1642 } else if (standard != DIF_USE_BASEBAND) {
1643 if (standard & V4L2_STD_MN) {
1644 /* lo if big signal */
1645 status = cx231xx_reg_mask_write(dev,
1646 VID_BLK_I2C_ADDRESS, 32,
1647 AFE_CTRL_C2HH_SRC_CTRL, 30, 31, 0x1);
1648 /* FUNC_MODE = DIF */
1649 status = cx231xx_reg_mask_write(dev,
1650 VID_BLK_I2C_ADDRESS, 32,
1651 AFE_CTRL_C2HH_SRC_CTRL, 23, 24,
1652 function_mode);
1653 /* IF_MODE */
1654 status = cx231xx_reg_mask_write(dev,
1655 VID_BLK_I2C_ADDRESS, 32,
1656 AFE_CTRL_C2HH_SRC_CTRL, 15, 22, 0xb);
1657 /* no inv */
1658 status = cx231xx_reg_mask_write(dev,
1659 VID_BLK_I2C_ADDRESS, 32,
1660 AFE_CTRL_C2HH_SRC_CTRL, 9, 9, 0x1);
1661 /* 0x124, AUD_CHAN1_SRC = 0x3 */
1662 status = cx231xx_reg_mask_write(dev,
1663 VID_BLK_I2C_ADDRESS, 32,
1664 AUD_IO_CTRL, 0, 31, 0x00000003);
1665 } else if ((standard == V4L2_STD_PAL_I) |
1666 (standard & V4L2_STD_PAL_D) |
1667 (standard & V4L2_STD_SECAM)) {
1668 /* C2HH setup */
1669 /* lo if big signal */
1670 status = cx231xx_reg_mask_write(dev,
1671 VID_BLK_I2C_ADDRESS, 32,
1672 AFE_CTRL_C2HH_SRC_CTRL, 30, 31, 0x1);
1673 /* FUNC_MODE = DIF */
1674 status = cx231xx_reg_mask_write(dev,
1675 VID_BLK_I2C_ADDRESS, 32,
1676 AFE_CTRL_C2HH_SRC_CTRL, 23, 24,
1677 function_mode);
1678 /* IF_MODE */
1679 status = cx231xx_reg_mask_write(dev,
1680 VID_BLK_I2C_ADDRESS, 32,
1681 AFE_CTRL_C2HH_SRC_CTRL, 15, 22, 0xF);
1682 /* no inv */
1683 status = cx231xx_reg_mask_write(dev,
1684 VID_BLK_I2C_ADDRESS, 32,
1685 AFE_CTRL_C2HH_SRC_CTRL, 9, 9, 0x1);
1686 } else {
1687 /* default PAL BG */
1688 /* C2HH setup */
1689 /* lo if big signal */
1690 status = cx231xx_reg_mask_write(dev,
1691 VID_BLK_I2C_ADDRESS, 32,
1692 AFE_CTRL_C2HH_SRC_CTRL, 30, 31, 0x1);
1693 /* FUNC_MODE = DIF */
1694 status = cx231xx_reg_mask_write(dev,
1695 VID_BLK_I2C_ADDRESS, 32,
1696 AFE_CTRL_C2HH_SRC_CTRL, 23, 24,
1697 function_mode);
1698 /* IF_MODE */
1699 status = cx231xx_reg_mask_write(dev,
1700 VID_BLK_I2C_ADDRESS, 32,
1701 AFE_CTRL_C2HH_SRC_CTRL, 15, 22, 0xE);
1702 /* no inv */
1703 status = cx231xx_reg_mask_write(dev,
1704 VID_BLK_I2C_ADDRESS, 32,
1705 AFE_CTRL_C2HH_SRC_CTRL, 9, 9, 0x1);
1709 return status;
1712 int cx231xx_dif_set_standard(struct cx231xx *dev, u32 standard)
1714 int status = 0;
1715 u32 dif_misc_ctrl_value = 0;
1716 u32 func_mode = 0;
1718 dev_dbg(dev->dev, "%s: setStandard to %x\n", __func__, standard);
1720 status = vid_blk_read_word(dev, DIF_MISC_CTRL, &dif_misc_ctrl_value);
1721 if (standard != DIF_USE_BASEBAND)
1722 dev->norm = standard;
1724 switch (dev->model) {
1725 case CX231XX_BOARD_CNXT_CARRAERA:
1726 case CX231XX_BOARD_CNXT_RDE_250:
1727 case CX231XX_BOARD_CNXT_SHELBY:
1728 case CX231XX_BOARD_CNXT_RDU_250:
1729 case CX231XX_BOARD_CNXT_VIDEO_GRABBER:
1730 case CX231XX_BOARD_HAUPPAUGE_EXETER:
1731 case CX231XX_BOARD_OTG102:
1732 func_mode = 0x03;
1733 break;
1734 case CX231XX_BOARD_CNXT_RDE_253S:
1735 case CX231XX_BOARD_CNXT_RDU_253S:
1736 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
1737 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
1738 func_mode = 0x01;
1739 break;
1740 default:
1741 func_mode = 0x01;
1744 status = cx231xx_dif_configure_C2HH_for_low_IF(dev, dev->active_mode,
1745 func_mode, standard);
1747 if (standard == DIF_USE_BASEBAND) { /* base band */
1748 /* There is a different SRC_PHASE_INC value
1749 for baseband vs. DIF */
1750 status = vid_blk_write_word(dev, DIF_SRC_PHASE_INC, 0xDF7DF83);
1751 status = vid_blk_read_word(dev, DIF_MISC_CTRL,
1752 &dif_misc_ctrl_value);
1753 dif_misc_ctrl_value |= FLD_DIF_DIF_BYPASS;
1754 status = vid_blk_write_word(dev, DIF_MISC_CTRL,
1755 dif_misc_ctrl_value);
1756 } else if (standard & V4L2_STD_PAL_D) {
1757 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1758 DIF_PLL_CTRL, 0, 31, 0x6503bc0c);
1759 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1760 DIF_PLL_CTRL1, 0, 31, 0xbd038c85);
1761 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1762 DIF_PLL_CTRL2, 0, 31, 0x1db4640a);
1763 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1764 DIF_PLL_CTRL3, 0, 31, 0x00008800);
1765 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1766 DIF_AGC_IF_REF, 0, 31, 0x444C1380);
1767 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1768 DIF_AGC_CTRL_IF, 0, 31, 0xDA302600);
1769 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1770 DIF_AGC_CTRL_INT, 0, 31, 0xDA261700);
1771 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1772 DIF_AGC_CTRL_RF, 0, 31, 0xDA262600);
1773 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1774 DIF_AGC_IF_INT_CURRENT, 0, 31,
1775 0x26001700);
1776 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1777 DIF_AGC_RF_CURRENT, 0, 31,
1778 0x00002660);
1779 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1780 DIF_VIDEO_AGC_CTRL, 0, 31,
1781 0x72500800);
1782 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1783 DIF_VID_AUD_OVERRIDE, 0, 31,
1784 0x27000100);
1785 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1786 DIF_AV_SEP_CTRL, 0, 31, 0x3F3934EA);
1787 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1788 DIF_COMP_FLT_CTRL, 0, 31,
1789 0x00000000);
1790 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1791 DIF_SRC_PHASE_INC, 0, 31,
1792 0x1befbf06);
1793 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1794 DIF_SRC_GAIN_CONTROL, 0, 31,
1795 0x000035e8);
1796 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1797 DIF_RPT_VARIANCE, 0, 31, 0x00000000);
1798 /* Save the Spec Inversion value */
1799 dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
1800 dif_misc_ctrl_value |= 0x3a023F11;
1801 } else if (standard & V4L2_STD_PAL_I) {
1802 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1803 DIF_PLL_CTRL, 0, 31, 0x6503bc0c);
1804 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1805 DIF_PLL_CTRL1, 0, 31, 0xbd038c85);
1806 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1807 DIF_PLL_CTRL2, 0, 31, 0x1db4640a);
1808 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1809 DIF_PLL_CTRL3, 0, 31, 0x00008800);
1810 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1811 DIF_AGC_IF_REF, 0, 31, 0x444C1380);
1812 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1813 DIF_AGC_CTRL_IF, 0, 31, 0xDA302600);
1814 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1815 DIF_AGC_CTRL_INT, 0, 31, 0xDA261700);
1816 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1817 DIF_AGC_CTRL_RF, 0, 31, 0xDA262600);
1818 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1819 DIF_AGC_IF_INT_CURRENT, 0, 31,
1820 0x26001700);
1821 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1822 DIF_AGC_RF_CURRENT, 0, 31,
1823 0x00002660);
1824 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1825 DIF_VIDEO_AGC_CTRL, 0, 31,
1826 0x72500800);
1827 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1828 DIF_VID_AUD_OVERRIDE, 0, 31,
1829 0x27000100);
1830 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1831 DIF_AV_SEP_CTRL, 0, 31, 0x5F39A934);
1832 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1833 DIF_COMP_FLT_CTRL, 0, 31,
1834 0x00000000);
1835 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1836 DIF_SRC_PHASE_INC, 0, 31,
1837 0x1befbf06);
1838 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1839 DIF_SRC_GAIN_CONTROL, 0, 31,
1840 0x000035e8);
1841 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1842 DIF_RPT_VARIANCE, 0, 31, 0x00000000);
1843 /* Save the Spec Inversion value */
1844 dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
1845 dif_misc_ctrl_value |= 0x3a033F11;
1846 } else if (standard & V4L2_STD_PAL_M) {
1847 /* improved Low Frequency Phase Noise */
1848 status = vid_blk_write_word(dev, DIF_PLL_CTRL, 0xFF01FF0C);
1849 status = vid_blk_write_word(dev, DIF_PLL_CTRL1, 0xbd038c85);
1850 status = vid_blk_write_word(dev, DIF_PLL_CTRL2, 0x1db4640a);
1851 status = vid_blk_write_word(dev, DIF_PLL_CTRL3, 0x00008800);
1852 status = vid_blk_write_word(dev, DIF_AGC_IF_REF, 0x444C1380);
1853 status = vid_blk_write_word(dev, DIF_AGC_IF_INT_CURRENT,
1854 0x26001700);
1855 status = vid_blk_write_word(dev, DIF_AGC_RF_CURRENT,
1856 0x00002660);
1857 status = vid_blk_write_word(dev, DIF_VIDEO_AGC_CTRL,
1858 0x72500800);
1859 status = vid_blk_write_word(dev, DIF_VID_AUD_OVERRIDE,
1860 0x27000100);
1861 status = vid_blk_write_word(dev, DIF_AV_SEP_CTRL, 0x012c405d);
1862 status = vid_blk_write_word(dev, DIF_COMP_FLT_CTRL,
1863 0x009f50c1);
1864 status = vid_blk_write_word(dev, DIF_SRC_PHASE_INC,
1865 0x1befbf06);
1866 status = vid_blk_write_word(dev, DIF_SRC_GAIN_CONTROL,
1867 0x000035e8);
1868 status = vid_blk_write_word(dev, DIF_SOFT_RST_CTRL_REVB,
1869 0x00000000);
1870 /* Save the Spec Inversion value */
1871 dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
1872 dif_misc_ctrl_value |= 0x3A0A3F10;
1873 } else if (standard & (V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)) {
1874 /* improved Low Frequency Phase Noise */
1875 status = vid_blk_write_word(dev, DIF_PLL_CTRL, 0xFF01FF0C);
1876 status = vid_blk_write_word(dev, DIF_PLL_CTRL1, 0xbd038c85);
1877 status = vid_blk_write_word(dev, DIF_PLL_CTRL2, 0x1db4640a);
1878 status = vid_blk_write_word(dev, DIF_PLL_CTRL3, 0x00008800);
1879 status = vid_blk_write_word(dev, DIF_AGC_IF_REF, 0x444C1380);
1880 status = vid_blk_write_word(dev, DIF_AGC_IF_INT_CURRENT,
1881 0x26001700);
1882 status = vid_blk_write_word(dev, DIF_AGC_RF_CURRENT,
1883 0x00002660);
1884 status = vid_blk_write_word(dev, DIF_VIDEO_AGC_CTRL,
1885 0x72500800);
1886 status = vid_blk_write_word(dev, DIF_VID_AUD_OVERRIDE,
1887 0x27000100);
1888 status = vid_blk_write_word(dev, DIF_AV_SEP_CTRL,
1889 0x012c405d);
1890 status = vid_blk_write_word(dev, DIF_COMP_FLT_CTRL,
1891 0x009f50c1);
1892 status = vid_blk_write_word(dev, DIF_SRC_PHASE_INC,
1893 0x1befbf06);
1894 status = vid_blk_write_word(dev, DIF_SRC_GAIN_CONTROL,
1895 0x000035e8);
1896 status = vid_blk_write_word(dev, DIF_SOFT_RST_CTRL_REVB,
1897 0x00000000);
1898 /* Save the Spec Inversion value */
1899 dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
1900 dif_misc_ctrl_value = 0x3A093F10;
1901 } else if (standard &
1902 (V4L2_STD_SECAM_B | V4L2_STD_SECAM_D | V4L2_STD_SECAM_G |
1903 V4L2_STD_SECAM_K | V4L2_STD_SECAM_K1)) {
1905 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1906 DIF_PLL_CTRL, 0, 31, 0x6503bc0c);
1907 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1908 DIF_PLL_CTRL1, 0, 31, 0xbd038c85);
1909 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1910 DIF_PLL_CTRL2, 0, 31, 0x1db4640a);
1911 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1912 DIF_PLL_CTRL3, 0, 31, 0x00008800);
1913 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1914 DIF_AGC_IF_REF, 0, 31, 0x888C0380);
1915 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1916 DIF_AGC_CTRL_IF, 0, 31, 0xe0262600);
1917 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1918 DIF_AGC_CTRL_INT, 0, 31, 0xc2171700);
1919 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1920 DIF_AGC_CTRL_RF, 0, 31, 0xc2262600);
1921 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1922 DIF_AGC_IF_INT_CURRENT, 0, 31,
1923 0x26001700);
1924 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1925 DIF_AGC_RF_CURRENT, 0, 31,
1926 0x00002660);
1927 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1928 DIF_VID_AUD_OVERRIDE, 0, 31,
1929 0x27000100);
1930 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1931 DIF_AV_SEP_CTRL, 0, 31, 0x3F3530ec);
1932 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1933 DIF_COMP_FLT_CTRL, 0, 31,
1934 0x00000000);
1935 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1936 DIF_SRC_PHASE_INC, 0, 31,
1937 0x1befbf06);
1938 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1939 DIF_SRC_GAIN_CONTROL, 0, 31,
1940 0x000035e8);
1941 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1942 DIF_RPT_VARIANCE, 0, 31, 0x00000000);
1943 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1944 DIF_VIDEO_AGC_CTRL, 0, 31,
1945 0xf4000000);
1947 /* Save the Spec Inversion value */
1948 dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
1949 dif_misc_ctrl_value |= 0x3a023F11;
1950 } else if (standard & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) {
1951 /* Is it SECAM_L1? */
1952 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1953 DIF_PLL_CTRL, 0, 31, 0x6503bc0c);
1954 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1955 DIF_PLL_CTRL1, 0, 31, 0xbd038c85);
1956 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1957 DIF_PLL_CTRL2, 0, 31, 0x1db4640a);
1958 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1959 DIF_PLL_CTRL3, 0, 31, 0x00008800);
1960 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1961 DIF_AGC_IF_REF, 0, 31, 0x888C0380);
1962 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1963 DIF_AGC_CTRL_IF, 0, 31, 0xe0262600);
1964 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1965 DIF_AGC_CTRL_INT, 0, 31, 0xc2171700);
1966 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1967 DIF_AGC_CTRL_RF, 0, 31, 0xc2262600);
1968 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1969 DIF_AGC_IF_INT_CURRENT, 0, 31,
1970 0x26001700);
1971 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1972 DIF_AGC_RF_CURRENT, 0, 31,
1973 0x00002660);
1974 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1975 DIF_VID_AUD_OVERRIDE, 0, 31,
1976 0x27000100);
1977 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1978 DIF_AV_SEP_CTRL, 0, 31, 0x3F3530ec);
1979 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1980 DIF_COMP_FLT_CTRL, 0, 31,
1981 0x00000000);
1982 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1983 DIF_SRC_PHASE_INC, 0, 31,
1984 0x1befbf06);
1985 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1986 DIF_SRC_GAIN_CONTROL, 0, 31,
1987 0x000035e8);
1988 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1989 DIF_RPT_VARIANCE, 0, 31, 0x00000000);
1990 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
1991 DIF_VIDEO_AGC_CTRL, 0, 31,
1992 0xf2560000);
1994 /* Save the Spec Inversion value */
1995 dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
1996 dif_misc_ctrl_value |= 0x3a023F11;
1998 } else if (standard & V4L2_STD_NTSC_M) {
1999 /* V4L2_STD_NTSC_M (75 IRE Setup) Or
2000 V4L2_STD_NTSC_M_JP (Japan, 0 IRE Setup) */
2002 /* For NTSC the centre frequency of video coming out of
2003 sidewinder is around 7.1MHz or 3.6MHz depending on the
2004 spectral inversion. so for a non spectrally inverted channel
2005 the pll freq word is 0x03420c49
2008 status = vid_blk_write_word(dev, DIF_PLL_CTRL, 0x6503BC0C);
2009 status = vid_blk_write_word(dev, DIF_PLL_CTRL1, 0xBD038C85);
2010 status = vid_blk_write_word(dev, DIF_PLL_CTRL2, 0x1DB4640A);
2011 status = vid_blk_write_word(dev, DIF_PLL_CTRL3, 0x00008800);
2012 status = vid_blk_write_word(dev, DIF_AGC_IF_REF, 0x444C0380);
2013 status = vid_blk_write_word(dev, DIF_AGC_IF_INT_CURRENT,
2014 0x26001700);
2015 status = vid_blk_write_word(dev, DIF_AGC_RF_CURRENT,
2016 0x00002660);
2017 status = vid_blk_write_word(dev, DIF_VIDEO_AGC_CTRL,
2018 0x04000800);
2019 status = vid_blk_write_word(dev, DIF_VID_AUD_OVERRIDE,
2020 0x27000100);
2021 status = vid_blk_write_word(dev, DIF_AV_SEP_CTRL, 0x01296e1f);
2023 status = vid_blk_write_word(dev, DIF_COMP_FLT_CTRL,
2024 0x009f50c1);
2025 status = vid_blk_write_word(dev, DIF_SRC_PHASE_INC,
2026 0x1befbf06);
2027 status = vid_blk_write_word(dev, DIF_SRC_GAIN_CONTROL,
2028 0x000035e8);
2030 status = vid_blk_write_word(dev, DIF_AGC_CTRL_IF, 0xC2262600);
2031 status = vid_blk_write_word(dev, DIF_AGC_CTRL_INT,
2032 0xC2262600);
2033 status = vid_blk_write_word(dev, DIF_AGC_CTRL_RF, 0xC2262600);
2035 /* Save the Spec Inversion value */
2036 dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
2037 dif_misc_ctrl_value |= 0x3a003F10;
2038 } else {
2039 /* default PAL BG */
2040 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2041 DIF_PLL_CTRL, 0, 31, 0x6503bc0c);
2042 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2043 DIF_PLL_CTRL1, 0, 31, 0xbd038c85);
2044 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2045 DIF_PLL_CTRL2, 0, 31, 0x1db4640a);
2046 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2047 DIF_PLL_CTRL3, 0, 31, 0x00008800);
2048 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2049 DIF_AGC_IF_REF, 0, 31, 0x444C1380);
2050 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2051 DIF_AGC_CTRL_IF, 0, 31, 0xDA302600);
2052 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2053 DIF_AGC_CTRL_INT, 0, 31, 0xDA261700);
2054 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2055 DIF_AGC_CTRL_RF, 0, 31, 0xDA262600);
2056 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2057 DIF_AGC_IF_INT_CURRENT, 0, 31,
2058 0x26001700);
2059 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2060 DIF_AGC_RF_CURRENT, 0, 31,
2061 0x00002660);
2062 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2063 DIF_VIDEO_AGC_CTRL, 0, 31,
2064 0x72500800);
2065 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2066 DIF_VID_AUD_OVERRIDE, 0, 31,
2067 0x27000100);
2068 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2069 DIF_AV_SEP_CTRL, 0, 31, 0x3F3530EC);
2070 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2071 DIF_COMP_FLT_CTRL, 0, 31,
2072 0x00A653A8);
2073 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2074 DIF_SRC_PHASE_INC, 0, 31,
2075 0x1befbf06);
2076 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2077 DIF_SRC_GAIN_CONTROL, 0, 31,
2078 0x000035e8);
2079 status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
2080 DIF_RPT_VARIANCE, 0, 31, 0x00000000);
2081 /* Save the Spec Inversion value */
2082 dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
2083 dif_misc_ctrl_value |= 0x3a013F11;
2086 /* The AGC values should be the same for all standards,
2087 AUD_SRC_SEL[19] should always be disabled */
2088 dif_misc_ctrl_value &= ~FLD_DIF_AUD_SRC_SEL;
2090 /* It is still possible to get Set Standard calls even when we
2091 are in FM mode.
2092 This is done to override the value for FM. */
2093 if (dev->active_mode == V4L2_TUNER_RADIO)
2094 dif_misc_ctrl_value = 0x7a080000;
2096 /* Write the calculated value for misc ontrol register */
2097 status = vid_blk_write_word(dev, DIF_MISC_CTRL, dif_misc_ctrl_value);
2099 return status;
2102 int cx231xx_tuner_pre_channel_change(struct cx231xx *dev)
2104 int status = 0;
2105 u32 dwval;
2107 /* Set the RF and IF k_agc values to 3 */
2108 status = vid_blk_read_word(dev, DIF_AGC_IF_REF, &dwval);
2109 dwval &= ~(FLD_DIF_K_AGC_RF | FLD_DIF_K_AGC_IF);
2110 dwval |= 0x33000000;
2112 status = vid_blk_write_word(dev, DIF_AGC_IF_REF, dwval);
2114 return status;
2117 int cx231xx_tuner_post_channel_change(struct cx231xx *dev)
2119 int status = 0;
2120 u32 dwval;
2121 dev_dbg(dev->dev, "%s: dev->tuner_type =0%d\n",
2122 __func__, dev->tuner_type);
2123 /* Set the RF and IF k_agc values to 4 for PAL/NTSC and 8 for
2124 * SECAM L/B/D standards */
2125 status = vid_blk_read_word(dev, DIF_AGC_IF_REF, &dwval);
2126 dwval &= ~(FLD_DIF_K_AGC_RF | FLD_DIF_K_AGC_IF);
2128 if (dev->norm & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_B |
2129 V4L2_STD_SECAM_D)) {
2130 if (dev->tuner_type == TUNER_NXP_TDA18271) {
2131 dwval &= ~FLD_DIF_IF_REF;
2132 dwval |= 0x88000300;
2133 } else
2134 dwval |= 0x88000000;
2135 } else {
2136 if (dev->tuner_type == TUNER_NXP_TDA18271) {
2137 dwval &= ~FLD_DIF_IF_REF;
2138 dwval |= 0xCC000300;
2139 } else
2140 dwval |= 0x44000000;
2143 status = vid_blk_write_word(dev, DIF_AGC_IF_REF, dwval);
2145 return status == sizeof(dwval) ? 0 : -EIO;
2148 /******************************************************************************
2149 * I 2 S - B L O C K C O N T R O L functions *
2150 ******************************************************************************/
2151 int cx231xx_i2s_blk_initialize(struct cx231xx *dev)
2153 int status = 0;
2154 u32 value;
2156 status = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
2157 CH_PWR_CTRL1, 1, &value, 1);
2158 /* enables clock to delta-sigma and decimation filter */
2159 value |= 0x80;
2160 status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
2161 CH_PWR_CTRL1, 1, value, 1);
2162 /* power up all channel */
2163 status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
2164 CH_PWR_CTRL2, 1, 0x00, 1);
2166 return status;
2169 int cx231xx_i2s_blk_update_power_control(struct cx231xx *dev,
2170 enum AV_MODE avmode)
2172 int status = 0;
2173 u32 value = 0;
2175 if (avmode != POLARIS_AVMODE_ENXTERNAL_AV) {
2176 status = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
2177 CH_PWR_CTRL2, 1, &value, 1);
2178 value |= 0xfe;
2179 status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
2180 CH_PWR_CTRL2, 1, value, 1);
2181 } else {
2182 status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
2183 CH_PWR_CTRL2, 1, 0x00, 1);
2186 return status;
2189 /* set i2s_blk for audio input types */
2190 int cx231xx_i2s_blk_set_audio_input(struct cx231xx *dev, u8 audio_input)
2192 int status = 0;
2194 switch (audio_input) {
2195 case CX231XX_AMUX_LINE_IN:
2196 status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
2197 CH_PWR_CTRL2, 1, 0x00, 1);
2198 status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
2199 CH_PWR_CTRL1, 1, 0x80, 1);
2200 break;
2201 case CX231XX_AMUX_VIDEO:
2202 default:
2203 break;
2206 dev->ctl_ainput = audio_input;
2208 return status;
2211 /******************************************************************************
2212 * P O W E R C O N T R O L functions *
2213 ******************************************************************************/
2214 int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode)
2216 u8 value[4] = { 0, 0, 0, 0 };
2217 u32 tmp = 0;
2218 int status = 0;
2220 if (dev->power_mode != mode)
2221 dev->power_mode = mode;
2222 else {
2223 dev_dbg(dev->dev, "%s: mode = %d, No Change req.\n",
2224 __func__, mode);
2225 return 0;
2228 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, value,
2230 if (status < 0)
2231 return status;
2233 tmp = le32_to_cpu(*((__le32 *) value));
2235 switch (mode) {
2236 case POLARIS_AVMODE_ENXTERNAL_AV:
2238 tmp &= (~PWR_MODE_MASK);
2240 tmp |= PWR_AV_EN;
2241 value[0] = (u8) tmp;
2242 value[1] = (u8) (tmp >> 8);
2243 value[2] = (u8) (tmp >> 16);
2244 value[3] = (u8) (tmp >> 24);
2245 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2246 PWR_CTL_EN, value, 4);
2247 msleep(PWR_SLEEP_INTERVAL);
2249 tmp |= PWR_ISO_EN;
2250 value[0] = (u8) tmp;
2251 value[1] = (u8) (tmp >> 8);
2252 value[2] = (u8) (tmp >> 16);
2253 value[3] = (u8) (tmp >> 24);
2254 status =
2255 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, PWR_CTL_EN,
2256 value, 4);
2257 msleep(PWR_SLEEP_INTERVAL);
2259 tmp |= POLARIS_AVMODE_ENXTERNAL_AV;
2260 value[0] = (u8) tmp;
2261 value[1] = (u8) (tmp >> 8);
2262 value[2] = (u8) (tmp >> 16);
2263 value[3] = (u8) (tmp >> 24);
2264 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2265 PWR_CTL_EN, value, 4);
2267 /* reset state of xceive tuner */
2268 dev->xc_fw_load_done = 0;
2269 break;
2271 case POLARIS_AVMODE_ANALOGT_TV:
2273 tmp |= PWR_DEMOD_EN;
2274 value[0] = (u8) tmp;
2275 value[1] = (u8) (tmp >> 8);
2276 value[2] = (u8) (tmp >> 16);
2277 value[3] = (u8) (tmp >> 24);
2278 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2279 PWR_CTL_EN, value, 4);
2280 msleep(PWR_SLEEP_INTERVAL);
2282 if (!(tmp & PWR_TUNER_EN)) {
2283 tmp |= (PWR_TUNER_EN);
2284 value[0] = (u8) tmp;
2285 value[1] = (u8) (tmp >> 8);
2286 value[2] = (u8) (tmp >> 16);
2287 value[3] = (u8) (tmp >> 24);
2288 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2289 PWR_CTL_EN, value, 4);
2290 msleep(PWR_SLEEP_INTERVAL);
2293 if (!(tmp & PWR_AV_EN)) {
2294 tmp |= PWR_AV_EN;
2295 value[0] = (u8) tmp;
2296 value[1] = (u8) (tmp >> 8);
2297 value[2] = (u8) (tmp >> 16);
2298 value[3] = (u8) (tmp >> 24);
2299 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2300 PWR_CTL_EN, value, 4);
2301 msleep(PWR_SLEEP_INTERVAL);
2303 if (!(tmp & PWR_ISO_EN)) {
2304 tmp |= PWR_ISO_EN;
2305 value[0] = (u8) tmp;
2306 value[1] = (u8) (tmp >> 8);
2307 value[2] = (u8) (tmp >> 16);
2308 value[3] = (u8) (tmp >> 24);
2309 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2310 PWR_CTL_EN, value, 4);
2311 msleep(PWR_SLEEP_INTERVAL);
2314 if (!(tmp & POLARIS_AVMODE_ANALOGT_TV)) {
2315 tmp |= POLARIS_AVMODE_ANALOGT_TV;
2316 value[0] = (u8) tmp;
2317 value[1] = (u8) (tmp >> 8);
2318 value[2] = (u8) (tmp >> 16);
2319 value[3] = (u8) (tmp >> 24);
2320 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2321 PWR_CTL_EN, value, 4);
2322 msleep(PWR_SLEEP_INTERVAL);
2325 if (dev->board.tuner_type != TUNER_ABSENT) {
2326 /* reset the Tuner */
2327 if (dev->board.tuner_gpio)
2328 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
2330 if (dev->cx231xx_reset_analog_tuner)
2331 dev->cx231xx_reset_analog_tuner(dev);
2334 break;
2336 case POLARIS_AVMODE_DIGITAL:
2337 if (!(tmp & PWR_TUNER_EN)) {
2338 tmp |= (PWR_TUNER_EN);
2339 value[0] = (u8) tmp;
2340 value[1] = (u8) (tmp >> 8);
2341 value[2] = (u8) (tmp >> 16);
2342 value[3] = (u8) (tmp >> 24);
2343 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2344 PWR_CTL_EN, value, 4);
2345 msleep(PWR_SLEEP_INTERVAL);
2347 if (!(tmp & PWR_AV_EN)) {
2348 tmp |= PWR_AV_EN;
2349 value[0] = (u8) tmp;
2350 value[1] = (u8) (tmp >> 8);
2351 value[2] = (u8) (tmp >> 16);
2352 value[3] = (u8) (tmp >> 24);
2353 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2354 PWR_CTL_EN, value, 4);
2355 msleep(PWR_SLEEP_INTERVAL);
2357 if (!(tmp & PWR_ISO_EN)) {
2358 tmp |= PWR_ISO_EN;
2359 value[0] = (u8) tmp;
2360 value[1] = (u8) (tmp >> 8);
2361 value[2] = (u8) (tmp >> 16);
2362 value[3] = (u8) (tmp >> 24);
2363 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2364 PWR_CTL_EN, value, 4);
2365 msleep(PWR_SLEEP_INTERVAL);
2368 tmp &= (~PWR_AV_MODE);
2369 tmp |= POLARIS_AVMODE_DIGITAL;
2370 value[0] = (u8) tmp;
2371 value[1] = (u8) (tmp >> 8);
2372 value[2] = (u8) (tmp >> 16);
2373 value[3] = (u8) (tmp >> 24);
2374 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2375 PWR_CTL_EN, value, 4);
2376 msleep(PWR_SLEEP_INTERVAL);
2378 if (!(tmp & PWR_DEMOD_EN)) {
2379 tmp |= PWR_DEMOD_EN;
2380 value[0] = (u8) tmp;
2381 value[1] = (u8) (tmp >> 8);
2382 value[2] = (u8) (tmp >> 16);
2383 value[3] = (u8) (tmp >> 24);
2384 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2385 PWR_CTL_EN, value, 4);
2386 msleep(PWR_SLEEP_INTERVAL);
2389 if (dev->board.tuner_type != TUNER_ABSENT) {
2390 /* reset the Tuner */
2391 if (dev->board.tuner_gpio)
2392 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
2394 if (dev->cx231xx_reset_analog_tuner)
2395 dev->cx231xx_reset_analog_tuner(dev);
2397 break;
2399 default:
2400 break;
2403 msleep(PWR_SLEEP_INTERVAL);
2405 /* For power saving, only enable Pwr_resetout_n
2406 when digital TV is selected. */
2407 if (mode == POLARIS_AVMODE_DIGITAL) {
2408 tmp |= PWR_RESETOUT_EN;
2409 value[0] = (u8) tmp;
2410 value[1] = (u8) (tmp >> 8);
2411 value[2] = (u8) (tmp >> 16);
2412 value[3] = (u8) (tmp >> 24);
2413 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
2414 PWR_CTL_EN, value, 4);
2415 msleep(PWR_SLEEP_INTERVAL);
2418 /* update power control for afe */
2419 status = cx231xx_afe_update_power_control(dev, mode);
2421 /* update power control for i2s_blk */
2422 status = cx231xx_i2s_blk_update_power_control(dev, mode);
2424 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, value,
2427 return status;
2430 /******************************************************************************
2431 * S T R E A M C O N T R O L functions *
2432 ******************************************************************************/
2433 int cx231xx_start_stream(struct cx231xx *dev, u32 ep_mask)
2435 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
2436 u32 tmp = 0;
2437 int status = 0;
2439 dev_dbg(dev->dev, "%s: ep_mask = %x\n", __func__, ep_mask);
2440 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, EP_MODE_SET,
2441 value, 4);
2442 if (status < 0)
2443 return status;
2445 tmp = le32_to_cpu(*((__le32 *) value));
2446 tmp |= ep_mask;
2447 value[0] = (u8) tmp;
2448 value[1] = (u8) (tmp >> 8);
2449 value[2] = (u8) (tmp >> 16);
2450 value[3] = (u8) (tmp >> 24);
2452 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, EP_MODE_SET,
2453 value, 4);
2455 return status;
2458 int cx231xx_stop_stream(struct cx231xx *dev, u32 ep_mask)
2460 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
2461 u32 tmp = 0;
2462 int status = 0;
2464 dev_dbg(dev->dev, "%s: ep_mask = %x\n", __func__, ep_mask);
2465 status =
2466 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, EP_MODE_SET, value, 4);
2467 if (status < 0)
2468 return status;
2470 tmp = le32_to_cpu(*((__le32 *) value));
2471 tmp &= (~ep_mask);
2472 value[0] = (u8) tmp;
2473 value[1] = (u8) (tmp >> 8);
2474 value[2] = (u8) (tmp >> 16);
2475 value[3] = (u8) (tmp >> 24);
2477 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, EP_MODE_SET,
2478 value, 4);
2480 return status;
2483 int cx231xx_initialize_stream_xfer(struct cx231xx *dev, u32 media_type)
2485 int status = 0;
2486 u32 value = 0;
2487 u8 val[4] = { 0, 0, 0, 0 };
2489 if (dev->udev->speed == USB_SPEED_HIGH) {
2490 switch (media_type) {
2491 case Audio:
2492 dev_dbg(dev->dev,
2493 "%s: Audio enter HANC\n", __func__);
2494 status =
2495 cx231xx_mode_register(dev, TS_MODE_REG, 0x9300);
2496 break;
2498 case Vbi:
2499 dev_dbg(dev->dev,
2500 "%s: set vanc registers\n", __func__);
2501 status = cx231xx_mode_register(dev, TS_MODE_REG, 0x300);
2502 break;
2504 case Sliced_cc:
2505 dev_dbg(dev->dev,
2506 "%s: set hanc registers\n", __func__);
2507 status =
2508 cx231xx_mode_register(dev, TS_MODE_REG, 0x1300);
2509 break;
2511 case Raw_Video:
2512 dev_dbg(dev->dev,
2513 "%s: set video registers\n", __func__);
2514 status = cx231xx_mode_register(dev, TS_MODE_REG, 0x100);
2515 break;
2517 case TS1_serial_mode:
2518 dev_dbg(dev->dev,
2519 "%s: set ts1 registers", __func__);
2521 if (dev->board.has_417) {
2522 dev_dbg(dev->dev,
2523 "%s: MPEG\n", __func__);
2524 value &= 0xFFFFFFFC;
2525 value |= 0x3;
2527 status = cx231xx_mode_register(dev,
2528 TS_MODE_REG, value);
2530 val[0] = 0x04;
2531 val[1] = 0xA3;
2532 val[2] = 0x3B;
2533 val[3] = 0x00;
2534 status = cx231xx_write_ctrl_reg(dev,
2535 VRT_SET_REGISTER,
2536 TS1_CFG_REG, val, 4);
2538 val[0] = 0x00;
2539 val[1] = 0x08;
2540 val[2] = 0x00;
2541 val[3] = 0x08;
2542 status = cx231xx_write_ctrl_reg(dev,
2543 VRT_SET_REGISTER,
2544 TS1_LENGTH_REG, val, 4);
2545 } else {
2546 dev_dbg(dev->dev, "%s: BDA\n", __func__);
2547 status = cx231xx_mode_register(dev,
2548 TS_MODE_REG, 0x101);
2549 status = cx231xx_mode_register(dev,
2550 TS1_CFG_REG, 0x010);
2552 break;
2554 case TS1_parallel_mode:
2555 dev_dbg(dev->dev,
2556 "%s: set ts1 parallel mode registers\n",
2557 __func__);
2558 status = cx231xx_mode_register(dev, TS_MODE_REG, 0x100);
2559 status = cx231xx_mode_register(dev, TS1_CFG_REG, 0x400);
2560 break;
2562 } else {
2563 status = cx231xx_mode_register(dev, TS_MODE_REG, 0x101);
2566 return status;
2569 int cx231xx_capture_start(struct cx231xx *dev, int start, u8 media_type)
2571 int rc = -1;
2572 u32 ep_mask = -1;
2573 struct pcb_config *pcb_config;
2575 /* get EP for media type */
2576 pcb_config = (struct pcb_config *)&dev->current_pcb_config;
2578 if (pcb_config->config_num) {
2579 switch (media_type) {
2580 case Raw_Video:
2581 ep_mask = ENABLE_EP4; /* ep4 [00:1000] */
2582 break;
2583 case Audio:
2584 ep_mask = ENABLE_EP3; /* ep3 [00:0100] */
2585 break;
2586 case Vbi:
2587 ep_mask = ENABLE_EP5; /* ep5 [01:0000] */
2588 break;
2589 case Sliced_cc:
2590 ep_mask = ENABLE_EP6; /* ep6 [10:0000] */
2591 break;
2592 case TS1_serial_mode:
2593 case TS1_parallel_mode:
2594 ep_mask = ENABLE_EP1; /* ep1 [00:0001] */
2595 break;
2596 case TS2:
2597 ep_mask = ENABLE_EP2; /* ep2 [00:0010] */
2598 break;
2602 if (start) {
2603 rc = cx231xx_initialize_stream_xfer(dev, media_type);
2605 if (rc < 0)
2606 return rc;
2608 /* enable video capture */
2609 if (ep_mask > 0)
2610 rc = cx231xx_start_stream(dev, ep_mask);
2611 } else {
2612 /* disable video capture */
2613 if (ep_mask > 0)
2614 rc = cx231xx_stop_stream(dev, ep_mask);
2617 return rc;
2619 EXPORT_SYMBOL_GPL(cx231xx_capture_start);
2621 /*****************************************************************************
2622 * G P I O B I T control functions *
2623 ******************************************************************************/
2624 static int cx231xx_set_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u32 gpio_val)
2626 int status = 0;
2628 gpio_val = (__force u32)cpu_to_le32(gpio_val);
2629 status = cx231xx_send_gpio_cmd(dev, gpio_bit, (u8 *)&gpio_val, 4, 0, 0);
2631 return status;
2634 static int cx231xx_get_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u32 *gpio_val)
2636 __le32 tmp;
2637 int status = 0;
2639 status = cx231xx_send_gpio_cmd(dev, gpio_bit, (u8 *)&tmp, 4, 0, 1);
2640 *gpio_val = le32_to_cpu(tmp);
2642 return status;
2646 * cx231xx_set_gpio_direction
2647 * Sets the direction of the GPIO pin to input or output
2649 * Parameters :
2650 * pin_number : The GPIO Pin number to program the direction for
2651 * from 0 to 31
2652 * pin_value : The Direction of the GPIO Pin under reference.
2653 * 0 = Input direction
2654 * 1 = Output direction
2656 int cx231xx_set_gpio_direction(struct cx231xx *dev,
2657 int pin_number, int pin_value)
2659 int status = 0;
2660 u32 value = 0;
2662 /* Check for valid pin_number - if 32 , bail out */
2663 if (pin_number >= 32)
2664 return -EINVAL;
2666 /* input */
2667 if (pin_value == 0)
2668 value = dev->gpio_dir & (~(1 << pin_number)); /* clear */
2669 else
2670 value = dev->gpio_dir | (1 << pin_number);
2672 status = cx231xx_set_gpio_bit(dev, value, dev->gpio_val);
2674 /* cache the value for future */
2675 dev->gpio_dir = value;
2677 return status;
2681 * cx231xx_set_gpio_value
2682 * Sets the value of the GPIO pin to Logic high or low. The Pin under
2683 * reference should ALREADY BE SET IN OUTPUT MODE !!!!!!!!!
2685 * Parameters :
2686 * pin_number : The GPIO Pin number to program the direction for
2687 * pin_value : The value of the GPIO Pin under reference.
2688 * 0 = set it to 0
2689 * 1 = set it to 1
2691 int cx231xx_set_gpio_value(struct cx231xx *dev, int pin_number, int pin_value)
2693 int status = 0;
2694 u32 value = 0;
2696 /* Check for valid pin_number - if 0xFF , bail out */
2697 if (pin_number >= 32)
2698 return -EINVAL;
2700 /* first do a sanity check - if the Pin is not output, make it output */
2701 if ((dev->gpio_dir & (1 << pin_number)) == 0x00) {
2702 /* It was in input mode */
2703 value = dev->gpio_dir | (1 << pin_number);
2704 dev->gpio_dir = value;
2705 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
2706 dev->gpio_val);
2707 value = 0;
2710 if (pin_value == 0)
2711 value = dev->gpio_val & (~(1 << pin_number));
2712 else
2713 value = dev->gpio_val | (1 << pin_number);
2715 /* store the value */
2716 dev->gpio_val = value;
2718 /* toggle bit0 of GP_IO */
2719 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2721 return status;
2724 /*****************************************************************************
2725 * G P I O I2C related functions *
2726 ******************************************************************************/
2727 int cx231xx_gpio_i2c_start(struct cx231xx *dev)
2729 int status = 0;
2731 /* set SCL to output 1 ; set SDA to output 1 */
2732 dev->gpio_dir |= 1 << dev->board.tuner_scl_gpio;
2733 dev->gpio_dir |= 1 << dev->board.tuner_sda_gpio;
2734 dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
2735 dev->gpio_val |= 1 << dev->board.tuner_sda_gpio;
2737 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2738 if (status < 0)
2739 return -EINVAL;
2741 /* set SCL to output 1; set SDA to output 0 */
2742 dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
2743 dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
2745 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2746 if (status < 0)
2747 return -EINVAL;
2749 /* set SCL to output 0; set SDA to output 0 */
2750 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2751 dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
2753 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2754 if (status < 0)
2755 return -EINVAL;
2757 return status;
2760 int cx231xx_gpio_i2c_end(struct cx231xx *dev)
2762 int status = 0;
2764 /* set SCL to output 0; set SDA to output 0 */
2765 dev->gpio_dir |= 1 << dev->board.tuner_scl_gpio;
2766 dev->gpio_dir |= 1 << dev->board.tuner_sda_gpio;
2768 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2769 dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
2771 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2772 if (status < 0)
2773 return -EINVAL;
2775 /* set SCL to output 1; set SDA to output 0 */
2776 dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
2777 dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
2779 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2780 if (status < 0)
2781 return -EINVAL;
2783 /* set SCL to input ,release SCL cable control
2784 set SDA to input ,release SDA cable control */
2785 dev->gpio_dir &= ~(1 << dev->board.tuner_scl_gpio);
2786 dev->gpio_dir &= ~(1 << dev->board.tuner_sda_gpio);
2788 status =
2789 cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2790 if (status < 0)
2791 return -EINVAL;
2793 return status;
2796 int cx231xx_gpio_i2c_write_byte(struct cx231xx *dev, u8 data)
2798 int status = 0;
2799 u8 i;
2801 /* set SCL to output ; set SDA to output */
2802 dev->gpio_dir |= 1 << dev->board.tuner_scl_gpio;
2803 dev->gpio_dir |= 1 << dev->board.tuner_sda_gpio;
2805 for (i = 0; i < 8; i++) {
2806 if (((data << i) & 0x80) == 0) {
2807 /* set SCL to output 0; set SDA to output 0 */
2808 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2809 dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
2810 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
2811 dev->gpio_val);
2813 /* set SCL to output 1; set SDA to output 0 */
2814 dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
2815 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
2816 dev->gpio_val);
2818 /* set SCL to output 0; set SDA to output 0 */
2819 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2820 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
2821 dev->gpio_val);
2822 } else {
2823 /* set SCL to output 0; set SDA to output 1 */
2824 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2825 dev->gpio_val |= 1 << dev->board.tuner_sda_gpio;
2826 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
2827 dev->gpio_val);
2829 /* set SCL to output 1; set SDA to output 1 */
2830 dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
2831 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
2832 dev->gpio_val);
2834 /* set SCL to output 0; set SDA to output 1 */
2835 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2836 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
2837 dev->gpio_val);
2840 return status;
2843 int cx231xx_gpio_i2c_read_byte(struct cx231xx *dev, u8 *buf)
2845 u8 value = 0;
2846 int status = 0;
2847 u32 gpio_logic_value = 0;
2848 u8 i;
2850 /* read byte */
2851 for (i = 0; i < 8; i++) { /* send write I2c addr */
2853 /* set SCL to output 0; set SDA to input */
2854 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2855 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
2856 dev->gpio_val);
2858 /* set SCL to output 1; set SDA to input */
2859 dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
2860 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
2861 dev->gpio_val);
2863 /* get SDA data bit */
2864 gpio_logic_value = dev->gpio_val;
2865 status = cx231xx_get_gpio_bit(dev, dev->gpio_dir,
2866 &dev->gpio_val);
2867 if ((dev->gpio_val & (1 << dev->board.tuner_sda_gpio)) != 0)
2868 value |= (1 << (8 - i - 1));
2870 dev->gpio_val = gpio_logic_value;
2873 /* set SCL to output 0,finish the read latest SCL signal.
2874 !!!set SDA to input, never to modify SDA direction at
2875 the same times */
2876 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2877 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2879 /* store the value */
2880 *buf = value & 0xff;
2882 return status;
2885 int cx231xx_gpio_i2c_read_ack(struct cx231xx *dev)
2887 int status = 0;
2888 u32 gpio_logic_value = 0;
2889 int nCnt = 10;
2890 int nInit = nCnt;
2892 /* clock stretch; set SCL to input; set SDA to input;
2893 get SCL value till SCL = 1 */
2894 dev->gpio_dir &= ~(1 << dev->board.tuner_sda_gpio);
2895 dev->gpio_dir &= ~(1 << dev->board.tuner_scl_gpio);
2897 gpio_logic_value = dev->gpio_val;
2898 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2900 do {
2901 msleep(2);
2902 status = cx231xx_get_gpio_bit(dev, dev->gpio_dir,
2903 &dev->gpio_val);
2904 nCnt--;
2905 } while (((dev->gpio_val &
2906 (1 << dev->board.tuner_scl_gpio)) == 0) &&
2907 (nCnt > 0));
2909 if (nCnt == 0)
2910 dev_dbg(dev->dev,
2911 "No ACK after %d msec -GPIO I2C failed!",
2912 nInit * 10);
2915 * readAck
2916 * through clock stretch, slave has given a SCL signal,
2917 * so the SDA data can be directly read.
2919 status = cx231xx_get_gpio_bit(dev, dev->gpio_dir, &dev->gpio_val);
2921 if ((dev->gpio_val & 1 << dev->board.tuner_sda_gpio) == 0) {
2922 dev->gpio_val = gpio_logic_value;
2923 dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
2924 status = 0;
2925 } else {
2926 dev->gpio_val = gpio_logic_value;
2927 dev->gpio_val |= (1 << dev->board.tuner_sda_gpio);
2930 /* read SDA end, set the SCL to output 0, after this operation,
2931 SDA direction can be changed. */
2932 dev->gpio_val = gpio_logic_value;
2933 dev->gpio_dir |= (1 << dev->board.tuner_scl_gpio);
2934 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2935 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2937 return status;
2940 int cx231xx_gpio_i2c_write_ack(struct cx231xx *dev)
2942 int status = 0;
2944 /* set SDA to output */
2945 dev->gpio_dir |= 1 << dev->board.tuner_sda_gpio;
2946 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2948 /* set SCL = 0 (output); set SDA = 0 (output) */
2949 dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
2950 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2951 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2953 /* set SCL = 1 (output); set SDA = 0 (output) */
2954 dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
2955 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2957 /* set SCL = 0 (output); set SDA = 0 (output) */
2958 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2959 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2961 /* set SDA to input,and then the slave will read data from SDA. */
2962 dev->gpio_dir &= ~(1 << dev->board.tuner_sda_gpio);
2963 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2965 return status;
2968 int cx231xx_gpio_i2c_write_nak(struct cx231xx *dev)
2970 int status = 0;
2972 /* set scl to output ; set sda to input */
2973 dev->gpio_dir |= 1 << dev->board.tuner_scl_gpio;
2974 dev->gpio_dir &= ~(1 << dev->board.tuner_sda_gpio);
2975 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2977 /* set scl to output 0; set sda to input */
2978 dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
2979 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2981 /* set scl to output 1; set sda to input */
2982 dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
2983 status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
2985 return status;
2988 /*****************************************************************************
2989 * G P I O I2C related functions *
2990 ******************************************************************************/
2991 /* cx231xx_gpio_i2c_read
2992 * Function to read data from gpio based I2C interface
2994 int cx231xx_gpio_i2c_read(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len)
2996 int status = 0;
2997 int i = 0;
2999 /* get the lock */
3000 mutex_lock(&dev->gpio_i2c_lock);
3002 /* start */
3003 status = cx231xx_gpio_i2c_start(dev);
3005 /* write dev_addr */
3006 status = cx231xx_gpio_i2c_write_byte(dev, (dev_addr << 1) + 1);
3008 /* readAck */
3009 status = cx231xx_gpio_i2c_read_ack(dev);
3011 /* read data */
3012 for (i = 0; i < len; i++) {
3013 /* read data */
3014 buf[i] = 0;
3015 status = cx231xx_gpio_i2c_read_byte(dev, &buf[i]);
3017 if ((i + 1) != len) {
3018 /* only do write ack if we more length */
3019 status = cx231xx_gpio_i2c_write_ack(dev);
3023 /* write NAK - inform reads are complete */
3024 status = cx231xx_gpio_i2c_write_nak(dev);
3026 /* write end */
3027 status = cx231xx_gpio_i2c_end(dev);
3029 /* release the lock */
3030 mutex_unlock(&dev->gpio_i2c_lock);
3032 return status;
3035 /* cx231xx_gpio_i2c_write
3036 * Function to write data to gpio based I2C interface
3038 int cx231xx_gpio_i2c_write(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len)
3040 int i = 0;
3042 /* get the lock */
3043 mutex_lock(&dev->gpio_i2c_lock);
3045 /* start */
3046 cx231xx_gpio_i2c_start(dev);
3048 /* write dev_addr */
3049 cx231xx_gpio_i2c_write_byte(dev, dev_addr << 1);
3051 /* read Ack */
3052 cx231xx_gpio_i2c_read_ack(dev);
3054 for (i = 0; i < len; i++) {
3055 /* Write data */
3056 cx231xx_gpio_i2c_write_byte(dev, buf[i]);
3058 /* read Ack */
3059 cx231xx_gpio_i2c_read_ack(dev);
3062 /* write End */
3063 cx231xx_gpio_i2c_end(dev);
3065 /* release the lock */
3066 mutex_unlock(&dev->gpio_i2c_lock);
3068 return 0;