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 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
29 #include <linux/kernel.h>
30 #include <linux/module.h>
31 #include <linux/slab.h>
32 #include <linux/videodev2.h>
33 #include <linux/i2c.h>
34 #include <media/audiochip.h>
35 #include <media/v4l2-common.h>
39 MODULE_DESCRIPTION("Conexant CX25840 audio/video decoder driver");
40 MODULE_AUTHOR("Ulf Eklund, Chris Kennedy, Hans Verkuil, Tyler Trafford");
41 MODULE_LICENSE("GPL");
43 static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
46 int cx25840_debug = 0;
48 module_param(cx25840_debug, bool, 0644);
50 MODULE_PARM_DESC(cx25840_debug, "Debugging messages [0=Off (default) 1=On]");
54 /* ----------------------------------------------------------------------- */
56 int cx25840_write(struct i2c_client *client, u16 addr, u8 value)
59 buffer[0] = addr >> 8;
60 buffer[1] = addr & 0xff;
62 return i2c_master_send(client, buffer, 3);
65 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value)
68 buffer[0] = addr >> 8;
69 buffer[1] = addr & 0xff;
70 buffer[2] = value >> 24;
71 buffer[3] = (value >> 16) & 0xff;
72 buffer[4] = (value >> 8) & 0xff;
73 buffer[5] = value & 0xff;
74 return i2c_master_send(client, buffer, 6);
77 u8 cx25840_read(struct i2c_client * client, u16 addr)
80 buffer[0] = addr >> 8;
81 buffer[1] = addr & 0xff;
83 if (i2c_master_send(client, buffer, 2) < 2)
86 if (i2c_master_recv(client, buffer, 1) < 1)
92 u32 cx25840_read4(struct i2c_client * client, u16 addr)
95 buffer[0] = addr >> 8;
96 buffer[1] = addr & 0xff;
98 if (i2c_master_send(client, buffer, 2) < 2)
101 if (i2c_master_recv(client, buffer, 4) < 4)
104 return (buffer[0] << 24) | (buffer[1] << 16) |
105 (buffer[2] << 8) | buffer[3];
108 int cx25840_and_or(struct i2c_client *client, u16 addr, u8 and_mask,
111 return cx25840_write(client, addr,
112 (cx25840_read(client, addr) & and_mask) |
116 /* ----------------------------------------------------------------------- */
118 static int set_input(struct i2c_client *, enum cx25840_input);
119 static void input_change(struct i2c_client *);
120 static void log_status(struct i2c_client *client);
122 /* ----------------------------------------------------------------------- */
124 static inline void init_dll1(struct i2c_client *client)
126 /* This is the Hauppauge sequence used to
127 * initialize the Delay Lock Loop 1 (ADC DLL). */
128 cx25840_write(client, 0x159, 0x23);
129 cx25840_write(client, 0x15a, 0x87);
130 cx25840_write(client, 0x15b, 0x06);
131 cx25840_write(client, 0x159, 0xe1);
132 cx25840_write(client, 0x15a, 0x86);
133 cx25840_write(client, 0x159, 0xe0);
134 cx25840_write(client, 0x159, 0xe1);
135 cx25840_write(client, 0x15b, 0x10);
138 static inline void init_dll2(struct i2c_client *client)
140 /* This is the Hauppauge sequence used to
141 * initialize the Delay Lock Loop 2 (ADC DLL). */
142 cx25840_write(client, 0x15d, 0xe3);
143 cx25840_write(client, 0x15e, 0x86);
144 cx25840_write(client, 0x15f, 0x06);
145 cx25840_write(client, 0x15d, 0xe1);
146 cx25840_write(client, 0x15d, 0xe0);
147 cx25840_write(client, 0x15d, 0xe1);
150 static void cx25840_initialize(struct i2c_client *client, int loadfw)
152 struct cx25840_state *state = i2c_get_clientdata(client);
154 /* datasheet startup in numbered steps, refer to page 3-77 */
156 cx25840_and_or(client, 0x803, ~0x10, 0x00);
157 /* The default of this register should be 4, but I get 0 instead.
158 * Set this register to 4 manually. */
159 cx25840_write(client, 0x000, 0x04);
163 cx25840_write(client, 0x136, 0x0a);
165 cx25840_write(client, 0x13c, 0x01);
166 cx25840_write(client, 0x13c, 0x00);
169 cx25840_loadfw(client);
171 cx25840_write(client, 0x115, 0x8c);
172 cx25840_write(client, 0x116, 0x07);
173 cx25840_write(client, 0x118, 0x02);
175 cx25840_write(client, 0x4a5, 0x80);
176 cx25840_write(client, 0x4a5, 0x00);
177 cx25840_write(client, 0x402, 0x00);
179 cx25840_write(client, 0x401, 0x18);
180 cx25840_write(client, 0x4a2, 0x10);
181 cx25840_write(client, 0x402, 0x04);
183 cx25840_write(client, 0x8d3, 0x1f);
184 cx25840_write(client, 0x8e3, 0x03);
186 cx25840_vbi_setup(client);
188 /* trial and error says these are needed to get audio */
189 cx25840_write(client, 0x914, 0xa0);
190 cx25840_write(client, 0x918, 0xa0);
191 cx25840_write(client, 0x919, 0x01);
193 /* stereo prefered */
194 cx25840_write(client, 0x809, 0x04);
196 cx25840_write(client, 0x8cf, 0x0f);
198 /* (re)set video input */
199 set_input(client, state->input);
200 /* (re)set audio input */
201 cx25840_audio(client, AUDC_SET_INPUT, &state->audio_input);
203 /* start microcontroller */
204 cx25840_and_or(client, 0x803, ~0x10, 0x10);
207 /* ----------------------------------------------------------------------- */
209 static void input_change(struct i2c_client *client)
211 v4l2_std_id std = cx25840_get_v4lstd(client);
213 if (std & V4L2_STD_PAL) {
214 /* Follow tuner change procedure for PAL */
215 cx25840_write(client, 0x808, 0xff);
216 cx25840_write(client, 0x80b, 0x10);
217 } else if (std & V4L2_STD_SECAM) {
218 /* Select autodetect for SECAM */
219 cx25840_write(client, 0x808, 0xff);
220 cx25840_write(client, 0x80b, 0x10);
221 } else if (std & V4L2_STD_NTSC) {
223 cx25840_write(client, 0x808, 0xf6);
224 cx25840_write(client, 0x80b, 0x00);
227 if (cx25840_read(client, 0x803) & 0x10) {
228 /* restart audio decoder microcontroller */
229 cx25840_and_or(client, 0x803, ~0x10, 0x00);
230 cx25840_and_or(client, 0x803, ~0x10, 0x10);
234 static int set_input(struct i2c_client *client, enum cx25840_input input)
236 struct cx25840_state *state = i2c_get_clientdata(client);
238 cx25840_dbg("decoder set input (%d)\n", input);
242 cx25840_dbg("now setting Tuner input\n");
244 if (state->cardtype == CARDTYPE_PVR150) {
246 cx25840_and_or(client, 0x102, ~0x2, 0x02);
249 /* Video Input Control */
250 if (state->cardtype == CARDTYPE_PG600) {
251 cx25840_write(client, 0x103, 0x11);
253 cx25840_write(client, 0x103, 0x46);
257 cx25840_and_or(client, 0x401, ~0x6, 0x00);
260 case CX25840_COMPOSITE0:
261 case CX25840_COMPOSITE1:
262 cx25840_dbg("now setting Composite input\n");
264 /* Video Input Control */
265 if (state->cardtype == CARDTYPE_PG600) {
266 cx25840_write(client, 0x103, 0x00);
268 cx25840_write(client, 0x103, 0x02);
272 cx25840_and_or(client, 0x401, ~0x6, 0x00);
275 case CX25840_SVIDEO0:
276 case CX25840_SVIDEO1:
277 cx25840_dbg("now setting S-Video input\n");
280 cx25840_and_or(client, 0x102, ~0x2, 0x00);
282 /* Video Input Control */
283 if (state->cardtype == CARDTYPE_PG600) {
284 cx25840_write(client, 0x103, 0x02);
286 cx25840_write(client, 0x103, 0x10);
290 cx25840_and_or(client, 0x401, ~0x6, 0x02);
294 cx25840_err("%d is not a valid input!\n", input);
298 state->input = input;
299 input_change(client);
303 /* ----------------------------------------------------------------------- */
305 static int set_v4lstd(struct i2c_client *client, v4l2_std_id std)
310 /* zero is autodetect */
311 case 0: fmt = 0x0; break;
312 /* default ntsc to ntsc-m */
314 case V4L2_STD_NTSC_M: fmt = 0x1; break;
315 case V4L2_STD_NTSC_M_JP: fmt = 0x2; break;
316 case V4L2_STD_NTSC_443: fmt = 0x3; break;
317 case V4L2_STD_PAL: fmt = 0x4; break;
318 case V4L2_STD_PAL_M: fmt = 0x5; break;
319 case V4L2_STD_PAL_N: fmt = 0x6; break;
320 case V4L2_STD_PAL_Nc: fmt = 0x7; break;
321 case V4L2_STD_PAL_60: fmt = 0x8; break;
322 case V4L2_STD_SECAM: fmt = 0xc; break;
327 cx25840_and_or(client, 0x400, ~0xf, fmt);
328 cx25840_vbi_setup(client);
332 v4l2_std_id cx25840_get_v4lstd(struct i2c_client * client)
334 /* check VID_FMT_SEL first */
335 u8 fmt = cx25840_read(client, 0x400) & 0xf;
338 /* check AFD_FMT_STAT if set to autodetect */
339 fmt = cx25840_read(client, 0x40d) & 0xf;
343 case 0x1: return V4L2_STD_NTSC_M;
344 case 0x2: return V4L2_STD_NTSC_M_JP;
345 case 0x3: return V4L2_STD_NTSC_443;
346 case 0x4: return V4L2_STD_PAL;
347 case 0x5: return V4L2_STD_PAL_M;
348 case 0x6: return V4L2_STD_PAL_N;
349 case 0x7: return V4L2_STD_PAL_Nc;
350 case 0x8: return V4L2_STD_PAL_60;
351 case 0xc: return V4L2_STD_SECAM;
352 default: return V4L2_STD_UNKNOWN;
356 /* ----------------------------------------------------------------------- */
358 static int set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
360 struct cx25840_state *state = i2c_get_clientdata(client);
363 case CX25840_CID_CARDTYPE:
364 switch (ctrl->value) {
365 case CARDTYPE_PVR150:
367 state->cardtype = ctrl->value;
373 set_input(client, state->input);
376 case V4L2_CID_BRIGHTNESS:
377 if (ctrl->value < 0 || ctrl->value > 255) {
378 cx25840_err("invalid brightness setting %d\n",
383 cx25840_write(client, 0x414, ctrl->value - 128);
386 case V4L2_CID_CONTRAST:
387 if (ctrl->value < 0 || ctrl->value > 127) {
388 cx25840_err("invalid contrast setting %d\n",
393 cx25840_write(client, 0x415, ctrl->value << 1);
396 case V4L2_CID_SATURATION:
397 if (ctrl->value < 0 || ctrl->value > 127) {
398 cx25840_err("invalid saturation setting %d\n",
403 cx25840_write(client, 0x420, ctrl->value << 1);
404 cx25840_write(client, 0x421, ctrl->value << 1);
408 if (ctrl->value < -127 || ctrl->value > 127) {
409 cx25840_err("invalid hue setting %d\n", ctrl->value);
413 cx25840_write(client, 0x422, ctrl->value);
416 case V4L2_CID_AUDIO_VOLUME:
417 case V4L2_CID_AUDIO_BASS:
418 case V4L2_CID_AUDIO_TREBLE:
419 case V4L2_CID_AUDIO_BALANCE:
420 case V4L2_CID_AUDIO_MUTE:
421 return cx25840_audio(client, VIDIOC_S_CTRL, ctrl);
427 static int get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
429 struct cx25840_state *state = i2c_get_clientdata(client);
432 case CX25840_CID_CARDTYPE:
433 ctrl->value = state->cardtype;
435 case V4L2_CID_BRIGHTNESS:
436 ctrl->value = cx25840_read(client, 0x414) + 128;
438 case V4L2_CID_CONTRAST:
439 ctrl->value = cx25840_read(client, 0x415) >> 1;
441 case V4L2_CID_SATURATION:
442 ctrl->value = cx25840_read(client, 0x420) >> 1;
445 ctrl->value = cx25840_read(client, 0x422);
447 case V4L2_CID_AUDIO_VOLUME:
448 case V4L2_CID_AUDIO_BASS:
449 case V4L2_CID_AUDIO_TREBLE:
450 case V4L2_CID_AUDIO_BALANCE:
451 case V4L2_CID_AUDIO_MUTE:
452 return cx25840_audio(client, VIDIOC_G_CTRL, ctrl);
460 /* ----------------------------------------------------------------------- */
462 static int get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
465 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
466 return cx25840_vbi(client, VIDIOC_G_FMT, fmt);
474 static int set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
476 struct v4l2_pix_format *pix;
477 int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
478 int is_pal = !(cx25840_get_v4lstd(client) & V4L2_STD_NTSC);
481 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
482 pix = &(fmt->fmt.pix);
484 Vsrc = (cx25840_read(client, 0x476) & 0x3f) << 4;
485 Vsrc |= (cx25840_read(client, 0x475) & 0xf0) >> 4;
487 Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4;
488 Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4;
490 Vlines = pix->height + (is_pal ? 4 : 7);
492 if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) ||
493 (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
494 cx25840_err("%dx%d is not a valid size!\n",
495 pix->width, pix->height);
499 HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20);
500 VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
503 if (pix->width >= 385)
505 else if (pix->width > 192)
507 else if (pix->width > 96)
512 cx25840_dbg("decoder set size %dx%d -> scale %ux%u\n",
513 pix->width, pix->height, HSC, VSC);
516 cx25840_write(client, 0x418, HSC & 0xff);
517 cx25840_write(client, 0x419, (HSC >> 8) & 0xff);
518 cx25840_write(client, 0x41a, HSC >> 16);
520 cx25840_write(client, 0x41c, VSC & 0xff);
521 cx25840_write(client, 0x41d, VSC >> 8);
522 /* VS_INTRLACE=1 VFILT=filter */
523 cx25840_write(client, 0x41e, 0x8 | filter);
526 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
527 return cx25840_vbi(client, VIDIOC_S_FMT, fmt);
529 case V4L2_BUF_TYPE_VBI_CAPTURE:
530 return cx25840_vbi(client, VIDIOC_S_FMT, fmt);
539 /* ----------------------------------------------------------------------- */
541 static int cx25840_command(struct i2c_client *client, unsigned int cmd,
544 struct cx25840_state *state = i2c_get_clientdata(client);
545 struct v4l2_tuner *vt = arg;
552 #ifdef CONFIG_VIDEO_ADV_DEBUG
553 /* ioctls to allow direct access to the
554 * cx25840 registers for testing */
555 case VIDIOC_INT_G_REGISTER:
557 struct v4l2_register *reg = arg;
559 if (reg->i2c_id != I2C_DRIVERID_CX25840)
561 reg->val = cx25840_read(client, reg->reg & 0x0fff);
565 case VIDIOC_INT_S_REGISTER:
567 struct v4l2_register *reg = arg;
569 if (reg->i2c_id != I2C_DRIVERID_CX25840)
571 if (!capable(CAP_SYS_ADMIN))
573 cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
578 case VIDIOC_INT_DECODE_VBI_LINE:
579 return cx25840_vbi(client, cmd, arg);
581 case VIDIOC_INT_AUDIO_CLOCK_FREQ:
583 result = cx25840_audio(client, cmd, arg);
586 case VIDIOC_STREAMON:
587 cx25840_dbg("enable output\n");
588 cx25840_write(client, 0x115, 0x8c);
589 cx25840_write(client, 0x116, 0x07);
592 case VIDIOC_STREAMOFF:
593 cx25840_dbg("disable output\n");
594 cx25840_write(client, 0x115, 0x00);
595 cx25840_write(client, 0x116, 0x00);
598 case VIDIOC_LOG_STATUS:
603 result = get_v4lctrl(client, (struct v4l2_control *)arg);
607 result = set_v4lctrl(client, (struct v4l2_control *)arg);
611 *(v4l2_std_id *)arg = cx25840_get_v4lstd(client);
615 result = set_v4lstd(client, *(v4l2_std_id *)arg);
619 *(int *)arg = state->input;
623 result = set_input(client, *(int *)arg);
626 case VIDIOC_S_FREQUENCY:
627 input_change(client);
632 u8 mode = cx25840_read(client, 0x804);
633 u8 pref = cx25840_read(client, 0x809) & 0xf;
634 u8 vpres = cx25840_read(client, 0x80a) & 0x10;
638 V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
639 V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
641 vt->signal = vpres ? 0xffff : 0x0;
643 /* get rxsubchans and audmode */
644 if ((mode & 0xf) == 1)
645 val |= V4L2_TUNER_SUB_STEREO;
647 val |= V4L2_TUNER_SUB_MONO;
649 if (mode == 2 || mode == 4)
650 val |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
653 val |= V4L2_TUNER_SUB_SAP;
655 vt->rxsubchans = val;
659 vt->audmode = V4L2_TUNER_MODE_MONO;
663 vt->audmode = V4L2_TUNER_MODE_LANG2;
667 vt->audmode = V4L2_TUNER_MODE_STEREO;
673 switch (vt->audmode) {
674 case V4L2_TUNER_MODE_MONO:
675 case V4L2_TUNER_MODE_LANG1:
676 /* Force PREF_MODE to MONO */
677 cx25840_and_or(client, 0x809, ~0xf, 0x00);
679 case V4L2_TUNER_MODE_STEREO:
680 /* Force PREF_MODE to STEREO */
681 cx25840_and_or(client, 0x809, ~0xf, 0x04);
683 case V4L2_TUNER_MODE_LANG2:
684 /* Force PREF_MODE to LANG2 */
685 cx25840_and_or(client, 0x809, ~0xf, 0x01);
691 result = get_v4lfmt(client, (struct v4l2_format *)arg);
695 result = set_v4lfmt(client, (struct v4l2_format *)arg);
698 case VIDIOC_INT_RESET:
699 cx25840_initialize(client, 0);
702 case VIDIOC_INT_G_CHIP_IDENT:
703 *(enum v4l2_chip_ident *)arg =
704 V4L2_IDENT_CX25840 + ((cx25840_read(client, 0x100) >> 4) & 0xf);
708 cx25840_err("invalid ioctl %x\n", cmd);
715 /* ----------------------------------------------------------------------- */
717 struct i2c_driver i2c_driver_cx25840;
719 static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
722 struct i2c_client *client;
723 struct cx25840_state *state;
726 /* Check if the adapter supports the needed features
727 * Not until kernel version 2.6.11 did the bit-algo
728 * correctly report that it would do an I2C-level xfer */
729 if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
732 client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
736 memset(client, 0, sizeof(struct i2c_client));
737 client->addr = address;
738 client->adapter = adapter;
739 client->driver = &i2c_driver_cx25840;
740 client->flags = I2C_CLIENT_ALLOW_USE;
741 snprintf(client->name, sizeof(client->name) - 1, "cx25840");
743 cx25840_dbg("detecting cx25840 client on address 0x%x\n", address << 1);
745 device_id = cx25840_read(client, 0x101) << 8;
746 device_id |= cx25840_read(client, 0x100);
748 /* The high byte of the device ID should be
749 * 0x84 if chip is present */
750 if ((device_id & 0xff00) != 0x8400) {
751 cx25840_dbg("cx25840 not found\n");
756 cx25840_info("cx25%3x-2%x found @ 0x%x (%s)\n",
757 (device_id & 0xfff0) >> 4,
758 (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : 3,
759 address << 1, adapter->name);
761 state = kmalloc(sizeof(struct cx25840_state), GFP_KERNEL);
767 i2c_set_clientdata(client, state);
768 memset(state, 0, sizeof(struct cx25840_state));
769 state->input = CX25840_TUNER;
770 state->audclk_freq = V4L2_AUDCLK_48_KHZ;
771 state->audio_input = AUDIO_TUNER;
772 state->cardtype = CARDTYPE_PVR150;
774 cx25840_initialize(client, 1);
776 i2c_attach_client(client);
781 static int cx25840_attach_adapter(struct i2c_adapter *adapter)
783 #ifdef I2C_CLASS_TV_ANALOG
784 if (adapter->class & I2C_CLASS_TV_ANALOG)
786 if (adapter->id == I2C_HW_B_BT848)
788 return i2c_probe(adapter, &addr_data, &cx25840_detect_client);
792 static int cx25840_detach_client(struct i2c_client *client)
794 struct cx25840_state *state = i2c_get_clientdata(client);
797 err = i2c_detach_client(client);
808 /* ----------------------------------------------------------------------- */
810 struct i2c_driver i2c_driver_cx25840 = {
813 .id = I2C_DRIVERID_CX25840,
814 .flags = I2C_DF_NOTIFY,
816 .attach_adapter = cx25840_attach_adapter,
817 .detach_client = cx25840_detach_client,
818 .command = cx25840_command,
819 .owner = THIS_MODULE,
823 static int __init m__init(void)
825 return i2c_add_driver(&i2c_driver_cx25840);
828 static void __exit m__exit(void)
830 i2c_del_driver(&i2c_driver_cx25840);
833 module_init(m__init);
834 module_exit(m__exit);
836 /* ----------------------------------------------------------------------- */
838 static void log_status(struct i2c_client *client)
840 static const char *const fmt_strs[] = {
842 "NTSC-M", "NTSC-J", "NTSC-4.43",
843 "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
849 struct cx25840_state *state = i2c_get_clientdata(client);
850 u8 microctrl_vidfmt = cx25840_read(client, 0x80a);
851 u8 vidfmt_sel = cx25840_read(client, 0x400) & 0xf;
852 u8 gen_stat1 = cx25840_read(client, 0x40d);
853 u8 download_ctl = cx25840_read(client, 0x803);
854 u8 mod_det_stat0 = cx25840_read(client, 0x804);
855 u8 mod_det_stat1 = cx25840_read(client, 0x805);
856 u8 audio_config = cx25840_read(client, 0x808);
857 u8 pref_mode = cx25840_read(client, 0x809);
858 u8 afc0 = cx25840_read(client, 0x80b);
859 u8 mute_ctl = cx25840_read(client, 0x8d3);
862 cx25840_info("Video signal: %spresent\n",
863 (microctrl_vidfmt & 0x10) ? "" : "not ");
864 cx25840_info("Detected format: %s\n",
865 fmt_strs[gen_stat1 & 0xf]);
867 switch (mod_det_stat0) {
868 case 0x00: p = "mono"; break;
869 case 0x01: p = "stereo"; break;
870 case 0x02: p = "dual"; break;
871 case 0x04: p = "tri"; break;
872 case 0x10: p = "mono with SAP"; break;
873 case 0x11: p = "stereo with SAP"; break;
874 case 0x12: p = "dual with SAP"; break;
875 case 0x14: p = "tri with SAP"; break;
876 case 0xfe: p = "forced mode"; break;
877 default: p = "not defined";
879 cx25840_info("Detected audio mode: %s\n", p);
881 switch (mod_det_stat1) {
882 case 0x00: p = "not defined"; break;
883 case 0x01: p = "EIAJ"; break;
884 case 0x02: p = "A2-M"; break;
885 case 0x03: p = "A2-BG"; break;
886 case 0x04: p = "A2-DK1"; break;
887 case 0x05: p = "A2-DK2"; break;
888 case 0x06: p = "A2-DK3"; break;
889 case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
890 case 0x08: p = "AM-L"; break;
891 case 0x09: p = "NICAM-BG"; break;
892 case 0x0a: p = "NICAM-DK"; break;
893 case 0x0b: p = "NICAM-I"; break;
894 case 0x0c: p = "NICAM-L"; break;
895 case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
896 case 0x0e: p = "IF FM Radio"; break;
897 case 0x0f: p = "BTSC"; break;
898 case 0x10: p = "high-deviation FM"; break;
899 case 0x11: p = "very high-deviation FM"; break;
900 case 0xfd: p = "unknown audio standard"; break;
901 case 0xfe: p = "forced audio standard"; break;
902 case 0xff: p = "no detected audio standard"; break;
903 default: p = "not defined";
905 cx25840_info("Detected audio standard: %s\n", p);
906 cx25840_info("Audio muted: %s\n",
907 (mute_ctl & 0x2) ? "yes" : "no");
908 cx25840_info("Audio microcontroller: %s\n",
909 (download_ctl & 0x10) ? "running" : "stopped");
911 switch (audio_config >> 4) {
912 case 0x00: p = "undefined"; break;
913 case 0x01: p = "BTSC"; break;
914 case 0x02: p = "EIAJ"; break;
915 case 0x03: p = "A2-M"; break;
916 case 0x04: p = "A2-BG"; break;
917 case 0x05: p = "A2-DK1"; break;
918 case 0x06: p = "A2-DK2"; break;
919 case 0x07: p = "A2-DK3"; break;
920 case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
921 case 0x09: p = "AM-L"; break;
922 case 0x0a: p = "NICAM-BG"; break;
923 case 0x0b: p = "NICAM-DK"; break;
924 case 0x0c: p = "NICAM-I"; break;
925 case 0x0d: p = "NICAM-L"; break;
926 case 0x0e: p = "FM radio"; break;
927 case 0x0f: p = "automatic detection"; break;
928 default: p = "undefined";
930 cx25840_info("Configured audio standard: %s\n", p);
932 if ((audio_config >> 4) < 0xF) {
933 switch (audio_config & 0xF) {
934 case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
935 case 0x01: p = "MONO2 (LANGUAGE B)"; break;
936 case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
937 case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
938 case 0x04: p = "STEREO"; break;
939 case 0x05: p = "DUAL1 (AB)"; break;
940 case 0x06: p = "DUAL2 (AC) (FM)"; break;
941 case 0x07: p = "DUAL3 (BC) (FM)"; break;
942 case 0x08: p = "DUAL4 (AC) (AM)"; break;
943 case 0x09: p = "DUAL5 (BC) (AM)"; break;
944 case 0x0a: p = "SAP"; break;
945 default: p = "undefined";
947 cx25840_info("Configured audio mode: %s\n", p);
949 switch (audio_config & 0xF) {
950 case 0x00: p = "BG"; break;
951 case 0x01: p = "DK1"; break;
952 case 0x02: p = "DK2"; break;
953 case 0x03: p = "DK3"; break;
954 case 0x04: p = "I"; break;
955 case 0x05: p = "L"; break;
956 case 0x06: p = "BTSC"; break;
957 case 0x07: p = "EIAJ"; break;
958 case 0x08: p = "A2-M"; break;
959 case 0x09: p = "FM Radio"; break;
960 case 0x0f: p = "automatic standard and mode detection"; break;
961 default: p = "undefined";
963 cx25840_info("Configured audio system: %s\n", p);
966 cx25840_info("Specified standard: %s\n",
967 vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
969 switch (state->input) {
970 case CX25840_COMPOSITE0: p = "Composite 0"; break;
971 case CX25840_COMPOSITE1: p = "Composite 1"; break;
972 case CX25840_SVIDEO0: p = "S-Video 0"; break;
973 case CX25840_SVIDEO1: p = "S-Video 1"; break;
974 case CX25840_TUNER: p = "Tuner"; break;
976 cx25840_info("Specified input: %s\n", p);
977 cx25840_info("Specified audio input: %s\n",
978 state->audio_input == 0 ? "Tuner" : "External");
980 switch (state->audclk_freq) {
981 case V4L2_AUDCLK_441_KHZ: p = "44.1 kHz"; break;
982 case V4L2_AUDCLK_48_KHZ: p = "48 kHz"; break;
983 case V4L2_AUDCLK_32_KHZ: p = "32 kHz"; break;
984 default: p = "undefined";
986 cx25840_info("Specified audioclock freq: %s\n", p);
988 switch (pref_mode & 0xf) {
989 case 0: p = "mono/language A"; break;
990 case 1: p = "language B"; break;
991 case 2: p = "language C"; break;
992 case 3: p = "analog fallback"; break;
993 case 4: p = "stereo"; break;
994 case 5: p = "language AC"; break;
995 case 6: p = "language BC"; break;
996 case 7: p = "language AB"; break;
997 default: p = "undefined";
999 cx25840_info("Preferred audio mode: %s\n", p);
1001 if ((audio_config & 0xf) == 0xf) {
1002 switch ((afc0 >> 3) & 0x3) {
1003 case 0: p = "system DK"; break;
1004 case 1: p = "system L"; break;
1005 case 2: p = "autodetect"; break;
1006 default: p = "undefined";
1008 cx25840_info("Selected 65 MHz format: %s\n", p);
1010 switch (afc0 & 0x7) {
1011 case 0: p = "chroma"; break;
1012 case 1: p = "BTSC"; break;
1013 case 2: p = "EIAJ"; break;
1014 case 3: p = "A2-M"; break;
1015 case 4: p = "autodetect"; break;
1016 default: p = "undefined";
1018 cx25840_info("Selected 45 MHz format: %s\n", p);