1 /* cx25840 - Conexant CX25840 audio/video decoder driver
3 * Copyright (C) 2004 Ulf Eklund
5 * Based on the saa7115 driver and on the first verison of Chris Kennedy's
8 * Changes by Tyler Trafford <tatrafford@comcast.net>
9 * - cleanup/rewrite for V4L2 API (2005)
11 * VBI support by Hans Verkuil <hverkuil@xs4all.nl>.
13 * NTSC sliced VBI support by Christopher Neufeld <television@cneufeld.ca>
14 * with additional fixes by Hans Verkuil <hverkuil@xs4all.nl>.
16 * CX23885 support by Steven Toth <stoth@hauppauge.com>.
18 * This program is free software; you can redistribute it and/or
19 * modify it under the terms of the GNU General Public License
20 * as published by the Free Software Foundation; either version 2
21 * of the License, or (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
34 #include <linux/kernel.h>
35 #include <linux/module.h>
36 #include <linux/slab.h>
37 #include <linux/videodev2.h>
38 #include <linux/i2c.h>
39 #include <linux/delay.h>
40 #include <media/v4l2-common.h>
41 #include <media/v4l2-chip-ident.h>
42 #include <media/v4l2-i2c-drv-legacy.h>
43 #include <media/cx25840.h>
45 #include "cx25840-core.h"
47 MODULE_DESCRIPTION("Conexant CX25840 audio/video decoder driver");
48 MODULE_AUTHOR("Ulf Eklund, Chris Kennedy, Hans Verkuil, Tyler Trafford");
49 MODULE_LICENSE("GPL");
51 static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
55 module_param_named(debug,cx25840_debug, int, 0644);
57 MODULE_PARM_DESC(debug, "Debugging messages [0=Off (default) 1=On]");
61 /* ----------------------------------------------------------------------- */
63 int cx25840_write(struct i2c_client *client, u16 addr, u8 value)
66 buffer[0] = addr >> 8;
67 buffer[1] = addr & 0xff;
69 return i2c_master_send(client, buffer, 3);
72 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value)
75 buffer[0] = addr >> 8;
76 buffer[1] = addr & 0xff;
77 buffer[2] = value & 0xff;
78 buffer[3] = (value >> 8) & 0xff;
79 buffer[4] = (value >> 16) & 0xff;
80 buffer[5] = value >> 24;
81 return i2c_master_send(client, buffer, 6);
84 u8 cx25840_read(struct i2c_client * client, u16 addr)
87 buffer[0] = addr >> 8;
88 buffer[1] = addr & 0xff;
90 if (i2c_master_send(client, buffer, 2) < 2)
93 if (i2c_master_recv(client, buffer, 1) < 1)
99 u32 cx25840_read4(struct i2c_client * client, u16 addr)
102 buffer[0] = addr >> 8;
103 buffer[1] = addr & 0xff;
105 if (i2c_master_send(client, buffer, 2) < 2)
108 if (i2c_master_recv(client, buffer, 4) < 4)
111 return (buffer[3] << 24) | (buffer[2] << 16) |
112 (buffer[1] << 8) | buffer[0];
115 int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned and_mask,
118 return cx25840_write(client, addr,
119 (cx25840_read(client, addr) & and_mask) |
123 /* ----------------------------------------------------------------------- */
125 static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input,
126 enum cx25840_audio_input aud_input);
128 /* ----------------------------------------------------------------------- */
130 static void init_dll1(struct i2c_client *client)
132 /* This is the Hauppauge sequence used to
133 * initialize the Delay Lock Loop 1 (ADC DLL). */
134 cx25840_write(client, 0x159, 0x23);
135 cx25840_write(client, 0x15a, 0x87);
136 cx25840_write(client, 0x15b, 0x06);
138 cx25840_write(client, 0x159, 0xe1);
140 cx25840_write(client, 0x15a, 0x86);
141 cx25840_write(client, 0x159, 0xe0);
142 cx25840_write(client, 0x159, 0xe1);
143 cx25840_write(client, 0x15b, 0x10);
146 static void init_dll2(struct i2c_client *client)
148 /* This is the Hauppauge sequence used to
149 * initialize the Delay Lock Loop 2 (ADC DLL). */
150 cx25840_write(client, 0x15d, 0xe3);
151 cx25840_write(client, 0x15e, 0x86);
152 cx25840_write(client, 0x15f, 0x06);
154 cx25840_write(client, 0x15d, 0xe1);
155 cx25840_write(client, 0x15d, 0xe0);
156 cx25840_write(client, 0x15d, 0xe1);
159 static void cx25836_initialize(struct i2c_client *client)
161 /* reset configuration is described on page 3-77 of the CX25836 datasheet */
163 cx25840_and_or(client, 0x000, ~0x01, 0x01);
164 cx25840_and_or(client, 0x000, ~0x01, 0x00);
166 cx25840_and_or(client, 0x15a, ~0x70, 0x00);
168 cx25840_and_or(client, 0x15b, ~0x1e, 0x06);
170 cx25840_and_or(client, 0x159, ~0x02, 0x02);
174 cx25840_and_or(client, 0x159, ~0x02, 0x00);
176 cx25840_and_or(client, 0x159, ~0xc0, 0xc0);
178 cx25840_and_or(client, 0x159, ~0x01, 0x00);
179 cx25840_and_or(client, 0x159, ~0x01, 0x01);
181 cx25840_and_or(client, 0x15b, ~0x1e, 0x10);
184 static void cx25840_work_handler(struct work_struct *work)
186 struct cx25840_state *state = container_of(work, struct cx25840_state, fw_work);
187 cx25840_loadfw(state->c);
188 wake_up(&state->fw_wait);
191 static void cx25840_initialize(struct i2c_client *client)
194 struct cx25840_state *state = i2c_get_clientdata(client);
195 struct workqueue_struct *q;
197 /* datasheet startup in numbered steps, refer to page 3-77 */
199 cx25840_and_or(client, 0x803, ~0x10, 0x00);
200 /* The default of this register should be 4, but I get 0 instead.
201 * Set this register to 4 manually. */
202 cx25840_write(client, 0x000, 0x04);
206 cx25840_write(client, 0x136, 0x0a);
208 cx25840_write(client, 0x13c, 0x01);
209 cx25840_write(client, 0x13c, 0x00);
211 /* Do the firmware load in a work handler to prevent.
212 Otherwise the kernel is blocked waiting for the
213 bit-banging i2c interface to finish uploading the
215 INIT_WORK(&state->fw_work, cx25840_work_handler);
216 init_waitqueue_head(&state->fw_wait);
217 q = create_singlethread_workqueue("cx25840_fw");
218 prepare_to_wait(&state->fw_wait, &wait, TASK_UNINTERRUPTIBLE);
219 queue_work(q, &state->fw_work);
221 finish_wait(&state->fw_wait, &wait);
222 destroy_workqueue(q);
225 cx25840_write(client, 0x115, 0x8c);
226 cx25840_write(client, 0x116, 0x07);
227 cx25840_write(client, 0x118, 0x02);
229 cx25840_write(client, 0x4a5, 0x80);
230 cx25840_write(client, 0x4a5, 0x00);
231 cx25840_write(client, 0x402, 0x00);
233 cx25840_and_or(client, 0x401, ~0x18, 0);
234 cx25840_and_or(client, 0x4a2, ~0x10, 0x10);
235 /* steps 8c and 8d are done in change_input() */
237 cx25840_write(client, 0x8d3, 0x1f);
238 cx25840_write(client, 0x8e3, 0x03);
240 cx25840_vbi_setup(client);
242 /* trial and error says these are needed to get audio */
243 cx25840_write(client, 0x914, 0xa0);
244 cx25840_write(client, 0x918, 0xa0);
245 cx25840_write(client, 0x919, 0x01);
247 /* stereo prefered */
248 cx25840_write(client, 0x809, 0x04);
250 cx25840_write(client, 0x8cf, 0x0f);
253 set_input(client, state->vid_input, state->aud_input);
255 /* start microcontroller */
256 cx25840_and_or(client, 0x803, ~0x10, 0x10);
259 static void cx23885_initialize(struct i2c_client *client)
262 struct cx25840_state *state = i2c_get_clientdata(client);
263 struct workqueue_struct *q;
266 cx25840_and_or(client, 0x102, ~0x01, 0x01);
267 cx25840_and_or(client, 0x102, ~0x01, 0x00);
269 /* Stop microcontroller */
270 cx25840_and_or(client, 0x803, ~0x10, 0x00);
273 cx25840_write(client, 0x398, 0);
275 /* Trust the default xtal, no division */
276 /* This changes for the cx23888 products */
277 cx25840_write(client, 0x2, 0x76);
279 /* Bring down the regulator for AUX clk */
280 cx25840_write(client, 0x1, 0x40);
283 cx25840_write4(client, 0x11c, 0x01d1744c);
286 cx25840_write4(client, 0x118, 0x00000416);
288 /* Disable DIF bypass */
289 cx25840_write4(client, 0x33c, 0x00000001);
291 /* DIF Src phase inc */
292 cx25840_write4(client, 0x340, 0x0df7df83);
295 cx25840_write4(client, 0x10c, 0x01b6db7b);
298 cx25840_write4(client, 0x108, 0x00000512);
301 cx25840_write4(client, 0x414, 0x00107d12);
304 cx25840_write4(client, 0x420, 0x3d008282);
307 cx25840_write4(client, 0x114, 0x017dbf48);
310 cx25840_write4(client, 0x110, 0x000a030e);
312 /* ADC2 input select */
313 cx25840_write(client, 0x102, 0x10);
316 cx25840_write(client, 0x103, 0x11);
318 /* Enable format auto detect */
319 cx25840_write(client, 0x400, 0);
320 /* Fast subchroma lock */
321 /* White crush, Chroma AGC & Chroma Killer enabled */
322 cx25840_write(client, 0x401, 0xe8);
324 /* Select AFE clock pad output source */
325 cx25840_write(client, 0x144, 0x05);
327 /* Do the firmware load in a work handler to prevent.
328 Otherwise the kernel is blocked waiting for the
329 bit-banging i2c interface to finish uploading the
331 INIT_WORK(&state->fw_work, cx25840_work_handler);
332 init_waitqueue_head(&state->fw_wait);
333 q = create_singlethread_workqueue("cx25840_fw");
334 prepare_to_wait(&state->fw_wait, &wait, TASK_UNINTERRUPTIBLE);
335 queue_work(q, &state->fw_work);
337 finish_wait(&state->fw_wait, &wait);
338 destroy_workqueue(q);
340 cx25840_vbi_setup(client);
343 set_input(client, state->vid_input, state->aud_input);
345 /* start microcontroller */
346 cx25840_and_or(client, 0x803, ~0x10, 0x10);
349 /* ----------------------------------------------------------------------- */
351 static void input_change(struct i2c_client *client)
353 struct cx25840_state *state = i2c_get_clientdata(client);
354 v4l2_std_id std = state->std;
356 /* Follow step 8c and 8d of section 3.16 in the cx25840 datasheet */
357 if (std & V4L2_STD_SECAM) {
358 cx25840_write(client, 0x402, 0);
361 cx25840_write(client, 0x402, 0x04);
362 cx25840_write(client, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
364 cx25840_and_or(client, 0x401, ~0x60, 0);
365 cx25840_and_or(client, 0x401, ~0x60, 0x60);
366 cx25840_and_or(client, 0x810, ~0x01, 1);
369 cx25840_write(client, 0x808, 0xf9);
370 cx25840_write(client, 0x80b, 0x00);
372 else if (std & V4L2_STD_525_60) {
373 /* Certain Hauppauge PVR150 models have a hardware bug
374 that causes audio to drop out. For these models the
375 audio standard must be set explicitly.
376 To be precise: it affects cards with tuner models
377 85, 99 and 112 (model numbers from tveeprom). */
378 int hw_fix = state->pvr150_workaround;
380 if (std == V4L2_STD_NTSC_M_JP) {
381 /* Japan uses EIAJ audio standard */
382 cx25840_write(client, 0x808, hw_fix ? 0x2f : 0xf7);
383 } else if (std == V4L2_STD_NTSC_M_KR) {
384 /* South Korea uses A2 audio standard */
385 cx25840_write(client, 0x808, hw_fix ? 0x3f : 0xf8);
387 /* Others use the BTSC audio standard */
388 cx25840_write(client, 0x808, hw_fix ? 0x1f : 0xf6);
390 cx25840_write(client, 0x80b, 0x00);
391 } else if (std & V4L2_STD_PAL) {
392 /* Follow tuner change procedure for PAL */
393 cx25840_write(client, 0x808, 0xff);
394 cx25840_write(client, 0x80b, 0x10);
395 } else if (std & V4L2_STD_SECAM) {
396 /* Select autodetect for SECAM */
397 cx25840_write(client, 0x808, 0xff);
398 cx25840_write(client, 0x80b, 0x10);
401 cx25840_and_or(client, 0x810, ~0x01, 0);
404 static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input,
405 enum cx25840_audio_input aud_input)
407 struct cx25840_state *state = i2c_get_clientdata(client);
408 u8 is_composite = (vid_input >= CX25840_COMPOSITE1 &&
409 vid_input <= CX25840_COMPOSITE8);
412 v4l_dbg(1, cx25840_debug, client,
413 "decoder set video input %d, audio input %d\n",
414 vid_input, aud_input);
416 if (vid_input >= CX25840_VIN1_CH1) {
417 v4l_dbg(1, cx25840_debug, client, "vid_input 0x%x\n",
419 reg = vid_input & 0xff;
420 if ((vid_input & CX25840_SVIDEO_ON) == CX25840_SVIDEO_ON)
425 v4l_dbg(1, cx25840_debug, client, "mux cfg 0x%x comp=%d\n",
429 reg = 0xf0 + (vid_input - CX25840_COMPOSITE1);
431 int luma = vid_input & 0xf0;
432 int chroma = vid_input & 0xf00;
434 if ((vid_input & ~0xff0) ||
435 luma < CX25840_SVIDEO_LUMA1 || luma > CX25840_SVIDEO_LUMA8 ||
436 chroma < CX25840_SVIDEO_CHROMA4 || chroma > CX25840_SVIDEO_CHROMA8) {
437 v4l_err(client, "0x%04x is not a valid video input!\n",
441 reg = 0xf0 + ((luma - CX25840_SVIDEO_LUMA1) >> 4);
442 if (chroma >= CX25840_SVIDEO_CHROMA7) {
444 reg |= (chroma - CX25840_SVIDEO_CHROMA7) >> 2;
447 reg |= (chroma - CX25840_SVIDEO_CHROMA4) >> 4;
451 /* The caller has previously prepared the correct routing
452 * configuration in reg (for the cx23885) so we have no
453 * need to attempt to flip bits for earlier av decoders.
455 if (!state->is_cx23885) {
457 case CX25840_AUDIO_SERIAL:
458 /* do nothing, use serial audio input */
460 case CX25840_AUDIO4: reg &= ~0x30; break;
461 case CX25840_AUDIO5: reg &= ~0x30; reg |= 0x10; break;
462 case CX25840_AUDIO6: reg &= ~0x30; reg |= 0x20; break;
463 case CX25840_AUDIO7: reg &= ~0xc0; break;
464 case CX25840_AUDIO8: reg &= ~0xc0; reg |= 0x40; break;
467 v4l_err(client, "0x%04x is not a valid audio input!\n",
473 cx25840_write(client, 0x103, reg);
475 /* Set INPUT_MODE to Composite (0) or S-Video (1) */
476 cx25840_and_or(client, 0x401, ~0x6, is_composite ? 0 : 0x02);
478 if (!state->is_cx23885) {
479 /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
480 cx25840_and_or(client, 0x102, ~0x2, (reg & 0x80) == 0 ? 2 : 0);
481 /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2&CH3 */
482 if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30)
483 cx25840_and_or(client, 0x102, ~0x4, 4);
485 cx25840_and_or(client, 0x102, ~0x4, 0);
488 /* ADC2 input select channel 2 */
489 cx25840_and_or(client, 0x102, ~0x2, 0);
491 /* ADC2 input select channel 3 */
492 cx25840_and_or(client, 0x102, ~0x2, 2);
495 state->vid_input = vid_input;
496 state->aud_input = aud_input;
497 if (!state->is_cx25836) {
498 cx25840_audio_set_path(client);
499 input_change(client);
502 if (state->is_cx23885) {
503 /* Audio channel 1 src : Parallel 1 */
504 cx25840_write(client, 0x124, 0x03);
506 /* Select AFE clock pad output source */
507 cx25840_write(client, 0x144, 0x05);
509 /* I2S_IN_CTL: I2S_IN_SONY_MODE, LEFT SAMPLE on WS=1 */
510 cx25840_write(client, 0x914, 0xa0);
513 * I2S_IN_SONY_MODE, LEFT SAMPLE on WS=1
514 * I2S_OUT_MASTER_MODE = Master
516 cx25840_write(client, 0x918, 0xa0);
517 cx25840_write(client, 0x919, 0x01);
523 /* ----------------------------------------------------------------------- */
525 static int set_v4lstd(struct i2c_client *client)
527 struct cx25840_state *state = i2c_get_clientdata(client);
528 u8 fmt = 0; /* zero is autodetect */
531 /* First tests should be against specific std */
532 if (state->std == V4L2_STD_NTSC_M_JP) {
534 } else if (state->std == V4L2_STD_NTSC_443) {
536 } else if (state->std == V4L2_STD_PAL_M) {
539 } else if (state->std == V4L2_STD_PAL_N) {
541 } else if (state->std == V4L2_STD_PAL_Nc) {
543 } else if (state->std == V4L2_STD_PAL_60) {
546 /* Then, test against generic ones */
547 if (state->std & V4L2_STD_NTSC)
549 else if (state->std & V4L2_STD_PAL)
551 else if (state->std & V4L2_STD_SECAM)
555 v4l_dbg(1, cx25840_debug, client, "changing video std to fmt %i\n",fmt);
557 /* Follow step 9 of section 3.16 in the cx25840 datasheet.
558 Without this PAL may display a vertical ghosting effect.
559 This happens for example with the Yuan MPC622. */
560 if (fmt >= 4 && fmt < 8) {
561 /* Set format to NTSC-M */
562 cx25840_and_or(client, 0x400, ~0xf, 1);
564 cx25840_and_or(client, 0x47b, ~6, 0);
566 cx25840_and_or(client, 0x400, ~0xf, fmt);
567 cx25840_and_or(client, 0x403, ~0x3, pal_m);
568 cx25840_vbi_setup(client);
569 if (!state->is_cx25836)
570 input_change(client);
574 /* ----------------------------------------------------------------------- */
576 static int set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
578 struct cx25840_state *state = i2c_get_clientdata(client);
581 case CX25840_CID_ENABLE_PVR150_WORKAROUND:
582 state->pvr150_workaround = ctrl->value;
583 set_input(client, state->vid_input, state->aud_input);
586 case V4L2_CID_BRIGHTNESS:
587 if (ctrl->value < 0 || ctrl->value > 255) {
588 v4l_err(client, "invalid brightness setting %d\n",
593 cx25840_write(client, 0x414, ctrl->value - 128);
596 case V4L2_CID_CONTRAST:
597 if (ctrl->value < 0 || ctrl->value > 127) {
598 v4l_err(client, "invalid contrast setting %d\n",
603 cx25840_write(client, 0x415, ctrl->value << 1);
606 case V4L2_CID_SATURATION:
607 if (ctrl->value < 0 || ctrl->value > 127) {
608 v4l_err(client, "invalid saturation setting %d\n",
613 cx25840_write(client, 0x420, ctrl->value << 1);
614 cx25840_write(client, 0x421, ctrl->value << 1);
618 if (ctrl->value < -127 || ctrl->value > 127) {
619 v4l_err(client, "invalid hue setting %d\n", ctrl->value);
623 cx25840_write(client, 0x422, ctrl->value);
626 case V4L2_CID_AUDIO_VOLUME:
627 case V4L2_CID_AUDIO_BASS:
628 case V4L2_CID_AUDIO_TREBLE:
629 case V4L2_CID_AUDIO_BALANCE:
630 case V4L2_CID_AUDIO_MUTE:
631 if (state->is_cx25836)
633 return cx25840_audio(client, VIDIOC_S_CTRL, ctrl);
642 static int get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
644 struct cx25840_state *state = i2c_get_clientdata(client);
647 case CX25840_CID_ENABLE_PVR150_WORKAROUND:
648 ctrl->value = state->pvr150_workaround;
650 case V4L2_CID_BRIGHTNESS:
651 ctrl->value = (s8)cx25840_read(client, 0x414) + 128;
653 case V4L2_CID_CONTRAST:
654 ctrl->value = cx25840_read(client, 0x415) >> 1;
656 case V4L2_CID_SATURATION:
657 ctrl->value = cx25840_read(client, 0x420) >> 1;
660 ctrl->value = (s8)cx25840_read(client, 0x422);
662 case V4L2_CID_AUDIO_VOLUME:
663 case V4L2_CID_AUDIO_BASS:
664 case V4L2_CID_AUDIO_TREBLE:
665 case V4L2_CID_AUDIO_BALANCE:
666 case V4L2_CID_AUDIO_MUTE:
667 if (state->is_cx25836)
669 return cx25840_audio(client, VIDIOC_G_CTRL, ctrl);
677 /* ----------------------------------------------------------------------- */
679 static int get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
682 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
683 return cx25840_vbi(client, VIDIOC_G_FMT, fmt);
691 static int set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
693 struct cx25840_state *state = i2c_get_clientdata(client);
694 struct v4l2_pix_format *pix;
695 int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
696 int is_50Hz = !(state->std & V4L2_STD_525_60);
699 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
700 pix = &(fmt->fmt.pix);
702 Vsrc = (cx25840_read(client, 0x476) & 0x3f) << 4;
703 Vsrc |= (cx25840_read(client, 0x475) & 0xf0) >> 4;
705 Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4;
706 Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4;
708 Vlines = pix->height + (is_50Hz ? 4 : 7);
710 if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) ||
711 (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
712 v4l_err(client, "%dx%d is not a valid size!\n",
713 pix->width, pix->height);
717 HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20);
718 VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
721 if (pix->width >= 385)
723 else if (pix->width > 192)
725 else if (pix->width > 96)
730 v4l_dbg(1, cx25840_debug, client, "decoder set size %dx%d -> scale %ux%u\n",
731 pix->width, pix->height, HSC, VSC);
734 cx25840_write(client, 0x418, HSC & 0xff);
735 cx25840_write(client, 0x419, (HSC >> 8) & 0xff);
736 cx25840_write(client, 0x41a, HSC >> 16);
738 cx25840_write(client, 0x41c, VSC & 0xff);
739 cx25840_write(client, 0x41d, VSC >> 8);
740 /* VS_INTRLACE=1 VFILT=filter */
741 cx25840_write(client, 0x41e, 0x8 | filter);
744 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
745 return cx25840_vbi(client, VIDIOC_S_FMT, fmt);
747 case V4L2_BUF_TYPE_VBI_CAPTURE:
748 return cx25840_vbi(client, VIDIOC_S_FMT, fmt);
757 /* ----------------------------------------------------------------------- */
759 static void log_video_status(struct i2c_client *client)
761 static const char *const fmt_strs[] = {
763 "NTSC-M", "NTSC-J", "NTSC-4.43",
764 "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
770 struct cx25840_state *state = i2c_get_clientdata(client);
771 u8 vidfmt_sel = cx25840_read(client, 0x400) & 0xf;
772 u8 gen_stat1 = cx25840_read(client, 0x40d);
773 u8 gen_stat2 = cx25840_read(client, 0x40e);
774 int vid_input = state->vid_input;
776 v4l_info(client, "Video signal: %spresent\n",
777 (gen_stat2 & 0x20) ? "" : "not ");
778 v4l_info(client, "Detected format: %s\n",
779 fmt_strs[gen_stat1 & 0xf]);
781 v4l_info(client, "Specified standard: %s\n",
782 vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
784 if (vid_input >= CX25840_COMPOSITE1 &&
785 vid_input <= CX25840_COMPOSITE8) {
786 v4l_info(client, "Specified video input: Composite %d\n",
787 vid_input - CX25840_COMPOSITE1 + 1);
789 v4l_info(client, "Specified video input: S-Video (Luma In%d, Chroma In%d)\n",
790 (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8);
793 v4l_info(client, "Specified audioclock freq: %d Hz\n", state->audclk_freq);
796 /* ----------------------------------------------------------------------- */
798 static void log_audio_status(struct i2c_client *client)
800 struct cx25840_state *state = i2c_get_clientdata(client);
801 u8 download_ctl = cx25840_read(client, 0x803);
802 u8 mod_det_stat0 = cx25840_read(client, 0x804);
803 u8 mod_det_stat1 = cx25840_read(client, 0x805);
804 u8 audio_config = cx25840_read(client, 0x808);
805 u8 pref_mode = cx25840_read(client, 0x809);
806 u8 afc0 = cx25840_read(client, 0x80b);
807 u8 mute_ctl = cx25840_read(client, 0x8d3);
808 int aud_input = state->aud_input;
811 switch (mod_det_stat0) {
812 case 0x00: p = "mono"; break;
813 case 0x01: p = "stereo"; break;
814 case 0x02: p = "dual"; break;
815 case 0x04: p = "tri"; break;
816 case 0x10: p = "mono with SAP"; break;
817 case 0x11: p = "stereo with SAP"; break;
818 case 0x12: p = "dual with SAP"; break;
819 case 0x14: p = "tri with SAP"; break;
820 case 0xfe: p = "forced mode"; break;
821 default: p = "not defined";
823 v4l_info(client, "Detected audio mode: %s\n", p);
825 switch (mod_det_stat1) {
826 case 0x00: p = "not defined"; break;
827 case 0x01: p = "EIAJ"; break;
828 case 0x02: p = "A2-M"; break;
829 case 0x03: p = "A2-BG"; break;
830 case 0x04: p = "A2-DK1"; break;
831 case 0x05: p = "A2-DK2"; break;
832 case 0x06: p = "A2-DK3"; break;
833 case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
834 case 0x08: p = "AM-L"; break;
835 case 0x09: p = "NICAM-BG"; break;
836 case 0x0a: p = "NICAM-DK"; break;
837 case 0x0b: p = "NICAM-I"; break;
838 case 0x0c: p = "NICAM-L"; break;
839 case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
840 case 0x0e: p = "IF FM Radio"; break;
841 case 0x0f: p = "BTSC"; break;
842 case 0x10: p = "high-deviation FM"; break;
843 case 0x11: p = "very high-deviation FM"; break;
844 case 0xfd: p = "unknown audio standard"; break;
845 case 0xfe: p = "forced audio standard"; break;
846 case 0xff: p = "no detected audio standard"; break;
847 default: p = "not defined";
849 v4l_info(client, "Detected audio standard: %s\n", p);
850 v4l_info(client, "Audio muted: %s\n",
851 (state->unmute_volume >= 0) ? "yes" : "no");
852 v4l_info(client, "Audio microcontroller: %s\n",
853 (download_ctl & 0x10) ?
854 ((mute_ctl & 0x2) ? "detecting" : "running") : "stopped");
856 switch (audio_config >> 4) {
857 case 0x00: p = "undefined"; break;
858 case 0x01: p = "BTSC"; break;
859 case 0x02: p = "EIAJ"; break;
860 case 0x03: p = "A2-M"; break;
861 case 0x04: p = "A2-BG"; break;
862 case 0x05: p = "A2-DK1"; break;
863 case 0x06: p = "A2-DK2"; break;
864 case 0x07: p = "A2-DK3"; break;
865 case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
866 case 0x09: p = "AM-L"; break;
867 case 0x0a: p = "NICAM-BG"; break;
868 case 0x0b: p = "NICAM-DK"; break;
869 case 0x0c: p = "NICAM-I"; break;
870 case 0x0d: p = "NICAM-L"; break;
871 case 0x0e: p = "FM radio"; break;
872 case 0x0f: p = "automatic detection"; break;
873 default: p = "undefined";
875 v4l_info(client, "Configured audio standard: %s\n", p);
877 if ((audio_config >> 4) < 0xF) {
878 switch (audio_config & 0xF) {
879 case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
880 case 0x01: p = "MONO2 (LANGUAGE B)"; break;
881 case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
882 case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
883 case 0x04: p = "STEREO"; break;
884 case 0x05: p = "DUAL1 (AB)"; break;
885 case 0x06: p = "DUAL2 (AC) (FM)"; break;
886 case 0x07: p = "DUAL3 (BC) (FM)"; break;
887 case 0x08: p = "DUAL4 (AC) (AM)"; break;
888 case 0x09: p = "DUAL5 (BC) (AM)"; break;
889 case 0x0a: p = "SAP"; break;
890 default: p = "undefined";
892 v4l_info(client, "Configured audio mode: %s\n", p);
894 switch (audio_config & 0xF) {
895 case 0x00: p = "BG"; break;
896 case 0x01: p = "DK1"; break;
897 case 0x02: p = "DK2"; break;
898 case 0x03: p = "DK3"; break;
899 case 0x04: p = "I"; break;
900 case 0x05: p = "L"; break;
901 case 0x06: p = "BTSC"; break;
902 case 0x07: p = "EIAJ"; break;
903 case 0x08: p = "A2-M"; break;
904 case 0x09: p = "FM Radio"; break;
905 case 0x0f: p = "automatic standard and mode detection"; break;
906 default: p = "undefined";
908 v4l_info(client, "Configured audio system: %s\n", p);
912 v4l_info(client, "Specified audio input: Tuner (In%d)\n", aud_input);
914 v4l_info(client, "Specified audio input: External\n");
917 switch (pref_mode & 0xf) {
918 case 0: p = "mono/language A"; break;
919 case 1: p = "language B"; break;
920 case 2: p = "language C"; break;
921 case 3: p = "analog fallback"; break;
922 case 4: p = "stereo"; break;
923 case 5: p = "language AC"; break;
924 case 6: p = "language BC"; break;
925 case 7: p = "language AB"; break;
926 default: p = "undefined";
928 v4l_info(client, "Preferred audio mode: %s\n", p);
930 if ((audio_config & 0xf) == 0xf) {
931 switch ((afc0 >> 3) & 0x3) {
932 case 0: p = "system DK"; break;
933 case 1: p = "system L"; break;
934 case 2: p = "autodetect"; break;
935 default: p = "undefined";
937 v4l_info(client, "Selected 65 MHz format: %s\n", p);
939 switch (afc0 & 0x7) {
940 case 0: p = "chroma"; break;
941 case 1: p = "BTSC"; break;
942 case 2: p = "EIAJ"; break;
943 case 3: p = "A2-M"; break;
944 case 4: p = "autodetect"; break;
945 default: p = "undefined";
947 v4l_info(client, "Selected 45 MHz format: %s\n", p);
951 /* ----------------------------------------------------------------------- */
953 static int cx25840_command(struct i2c_client *client, unsigned int cmd,
956 struct cx25840_state *state = i2c_get_clientdata(client);
957 struct v4l2_tuner *vt = arg;
958 struct v4l2_routing *route = arg;
960 /* ignore these commands */
962 case TUNER_SET_TYPE_ADDR:
966 if (!state->is_initialized) {
967 v4l_dbg(1, cx25840_debug, client, "cmd %08x triggered fw load\n", cmd);
968 /* initialize on first use */
969 state->is_initialized = 1;
970 if (state->is_cx25836)
971 cx25836_initialize(client);
972 else if (state->is_cx23885)
973 cx23885_initialize(client);
975 cx25840_initialize(client);
979 #ifdef CONFIG_VIDEO_ADV_DEBUG
980 /* ioctls to allow direct access to the
981 * cx25840 registers for testing */
982 case VIDIOC_DBG_G_REGISTER:
983 case VIDIOC_DBG_S_REGISTER:
985 struct v4l2_register *reg = arg;
987 if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
989 if (!capable(CAP_SYS_ADMIN))
992 if (cmd == VIDIOC_DBG_G_REGISTER)
993 reg->val = cx25840_read(client, reg->reg & 0x0fff);
995 cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
1000 case VIDIOC_INT_DECODE_VBI_LINE:
1001 return cx25840_vbi(client, cmd, arg);
1003 case VIDIOC_INT_AUDIO_CLOCK_FREQ:
1004 return cx25840_audio(client, cmd, arg);
1006 case VIDIOC_STREAMON:
1007 v4l_dbg(1, cx25840_debug, client, "enable output\n");
1008 if (state->is_cx23885) {
1009 u8 v = (cx25840_read(client, 0x421) | 0x0b);
1010 cx25840_write(client, 0x421, v);
1012 cx25840_write(client, 0x115,
1013 state->is_cx25836 ? 0x0c : 0x8c);
1014 cx25840_write(client, 0x116,
1015 state->is_cx25836 ? 0x04 : 0x07);
1019 case VIDIOC_STREAMOFF:
1020 v4l_dbg(1, cx25840_debug, client, "disable output\n");
1021 if (state->is_cx23885) {
1022 u8 v = cx25840_read(client, 0x421) & ~(0x0b);
1023 cx25840_write(client, 0x421, v);
1025 cx25840_write(client, 0x115, 0x00);
1026 cx25840_write(client, 0x116, 0x00);
1030 case VIDIOC_LOG_STATUS:
1031 log_video_status(client);
1032 if (!state->is_cx25836)
1033 log_audio_status(client);
1037 return get_v4lctrl(client, (struct v4l2_control *)arg);
1040 return set_v4lctrl(client, (struct v4l2_control *)arg);
1042 case VIDIOC_QUERYCTRL:
1044 struct v4l2_queryctrl *qc = arg;
1047 case V4L2_CID_BRIGHTNESS:
1048 case V4L2_CID_CONTRAST:
1049 case V4L2_CID_SATURATION:
1051 return v4l2_ctrl_query_fill_std(qc);
1055 if (state->is_cx25836)
1059 case V4L2_CID_AUDIO_VOLUME:
1060 case V4L2_CID_AUDIO_MUTE:
1061 case V4L2_CID_AUDIO_BALANCE:
1062 case V4L2_CID_AUDIO_BASS:
1063 case V4L2_CID_AUDIO_TREBLE:
1064 return v4l2_ctrl_query_fill_std(qc);
1072 *(v4l2_std_id *)arg = state->std;
1076 if (state->radio == 0 && state->std == *(v4l2_std_id *)arg)
1079 state->std = *(v4l2_std_id *)arg;
1080 return set_v4lstd(client);
1082 case AUDC_SET_RADIO:
1086 case VIDIOC_INT_G_VIDEO_ROUTING:
1087 route->input = state->vid_input;
1091 case VIDIOC_INT_S_VIDEO_ROUTING:
1092 return set_input(client, route->input, state->aud_input);
1094 case VIDIOC_INT_G_AUDIO_ROUTING:
1095 if (state->is_cx25836)
1097 route->input = state->aud_input;
1101 case VIDIOC_INT_S_AUDIO_ROUTING:
1102 if (state->is_cx25836)
1104 return set_input(client, state->vid_input, route->input);
1106 case VIDIOC_S_FREQUENCY:
1107 if (!state->is_cx25836) {
1108 input_change(client);
1112 case VIDIOC_G_TUNER:
1114 u8 vpres = cx25840_read(client, 0x40e) & 0x20;
1121 vt->signal = vpres ? 0xffff : 0x0;
1122 if (state->is_cx25836)
1126 V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
1127 V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
1129 mode = cx25840_read(client, 0x804);
1131 /* get rxsubchans and audmode */
1132 if ((mode & 0xf) == 1)
1133 val |= V4L2_TUNER_SUB_STEREO;
1135 val |= V4L2_TUNER_SUB_MONO;
1137 if (mode == 2 || mode == 4)
1138 val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
1141 val |= V4L2_TUNER_SUB_SAP;
1143 vt->rxsubchans = val;
1144 vt->audmode = state->audmode;
1148 case VIDIOC_S_TUNER:
1149 if (state->radio || state->is_cx25836)
1152 switch (vt->audmode) {
1153 case V4L2_TUNER_MODE_MONO:
1156 bilingual -> lang1 */
1157 cx25840_and_or(client, 0x809, ~0xf, 0x00);
1159 case V4L2_TUNER_MODE_STEREO:
1160 case V4L2_TUNER_MODE_LANG1:
1163 bilingual -> lang1 */
1164 cx25840_and_or(client, 0x809, ~0xf, 0x04);
1166 case V4L2_TUNER_MODE_LANG1_LANG2:
1169 bilingual -> lang1/lang2 */
1170 cx25840_and_or(client, 0x809, ~0xf, 0x07);
1172 case V4L2_TUNER_MODE_LANG2:
1175 bilingual -> lang2 */
1176 cx25840_and_or(client, 0x809, ~0xf, 0x01);
1181 state->audmode = vt->audmode;
1185 return get_v4lfmt(client, (struct v4l2_format *)arg);
1188 return set_v4lfmt(client, (struct v4l2_format *)arg);
1190 case VIDIOC_INT_RESET:
1191 if (state->is_cx25836)
1192 cx25836_initialize(client);
1193 else if (state->is_cx23885)
1194 cx23885_initialize(client);
1196 cx25840_initialize(client);
1199 case VIDIOC_G_CHIP_IDENT:
1200 return v4l2_chip_ident_i2c_client(client, arg, state->id, state->rev);
1209 /* ----------------------------------------------------------------------- */
1211 static int cx25840_probe(struct i2c_client *client,
1212 const struct i2c_device_id *did)
1214 struct cx25840_state *state;
1218 /* Check if the adapter supports the needed features */
1219 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1222 v4l_dbg(1, cx25840_debug, client, "detecting cx25840 client on address 0x%x\n", client->addr << 1);
1224 device_id = cx25840_read(client, 0x101) << 8;
1225 device_id |= cx25840_read(client, 0x100);
1226 v4l_dbg(1, cx25840_debug, client, "device_id = 0x%04x\n", device_id);
1228 /* The high byte of the device ID should be
1229 * 0x83 for the cx2583x and 0x84 for the cx2584x */
1230 if ((device_id & 0xff00) == 0x8300) {
1231 id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
1233 else if ((device_id & 0xff00) == 0x8400) {
1234 id = V4L2_IDENT_CX25840 + ((device_id >> 4) & 0xf);
1235 } else if (device_id == 0x0000) {
1236 id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
1237 } else if (device_id == 0x1313) {
1238 id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
1241 v4l_dbg(1, cx25840_debug, client, "cx25840 not found\n");
1245 state = kzalloc(sizeof(struct cx25840_state), GFP_KERNEL);
1246 if (state == NULL) {
1250 /* Note: revision '(device_id & 0x0f) == 2' was never built. The
1251 marking skips from 0x1 == 22 to 0x3 == 23. */
1252 v4l_info(client, "cx25%3x-2%x found @ 0x%x (%s)\n",
1253 (device_id & 0xfff0) >> 4,
1254 (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : (device_id & 0x0f),
1255 client->addr << 1, client->adapter->name);
1257 i2c_set_clientdata(client, state);
1259 state->is_cx25836 = ((device_id & 0xff00) == 0x8300);
1260 state->is_cx23885 = (device_id == 0x0000) || (device_id == 0x1313);
1261 state->vid_input = CX25840_COMPOSITE7;
1262 state->aud_input = CX25840_AUDIO8;
1263 state->audclk_freq = 48000;
1264 state->pvr150_workaround = 0;
1265 state->audmode = V4L2_TUNER_MODE_LANG1;
1266 state->unmute_volume = -1;
1267 state->vbi_line_offset = 8;
1269 state->rev = device_id;
1271 if (state->is_cx23885) {
1272 /* Drive GPIO2 direction and values */
1273 cx25840_write(client, 0x160, 0x1d);
1274 cx25840_write(client, 0x164, 0x00);
1280 static int cx25840_remove(struct i2c_client *client)
1282 kfree(i2c_get_clientdata(client));
1286 static const struct i2c_device_id cx25840_id[] = {
1290 MODULE_DEVICE_TABLE(i2c, cx25840_id);
1292 static struct v4l2_i2c_driver_data v4l2_i2c_data = {
1294 .driverid = I2C_DRIVERID_CX25840,
1295 .command = cx25840_command,
1296 .probe = cx25840_probe,
1297 .remove = cx25840_remove,
1298 .id_table = cx25840_id,