V4L/DVB (8376): cx25840: move cx25840_vbi_setup to core.c and rename to cx25840_std_setup
[linux-2.6] / drivers / media / video / cx25840 / cx25840-core.c
1 /* cx25840 - Conexant CX25840 audio/video decoder driver
2  *
3  * Copyright (C) 2004 Ulf Eklund
4  *
5  * Based on the saa7115 driver and on the first verison of Chris Kennedy's
6  * cx25840 driver.
7  *
8  * Changes by Tyler Trafford <tatrafford@comcast.net>
9  *    - cleanup/rewrite for V4L2 API (2005)
10  *
11  * VBI support by Hans Verkuil <hverkuil@xs4all.nl>.
12  *
13  * NTSC sliced VBI support by Christopher Neufeld <television@cneufeld.ca>
14  * with additional fixes by Hans Verkuil <hverkuil@xs4all.nl>.
15  *
16  * CX23885 support by Steven Toth <stoth@hauppauge.com>.
17  *
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.
22  *
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.
27  *
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.
31  */
32
33
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>
44
45 #include "cx25840-core.h"
46
47 MODULE_DESCRIPTION("Conexant CX25840 audio/video decoder driver");
48 MODULE_AUTHOR("Ulf Eklund, Chris Kennedy, Hans Verkuil, Tyler Trafford");
49 MODULE_LICENSE("GPL");
50
51 static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
52
53 int cx25840_debug;
54
55 module_param_named(debug,cx25840_debug, int, 0644);
56
57 MODULE_PARM_DESC(debug, "Debugging messages [0=Off (default) 1=On]");
58
59 I2C_CLIENT_INSMOD;
60
61 /* ----------------------------------------------------------------------- */
62
63 int cx25840_write(struct i2c_client *client, u16 addr, u8 value)
64 {
65         u8 buffer[3];
66         buffer[0] = addr >> 8;
67         buffer[1] = addr & 0xff;
68         buffer[2] = value;
69         return i2c_master_send(client, buffer, 3);
70 }
71
72 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value)
73 {
74         u8 buffer[6];
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);
82 }
83
84 u8 cx25840_read(struct i2c_client * client, u16 addr)
85 {
86         u8 buffer[2];
87         buffer[0] = addr >> 8;
88         buffer[1] = addr & 0xff;
89
90         if (i2c_master_send(client, buffer, 2) < 2)
91                 return 0;
92
93         if (i2c_master_recv(client, buffer, 1) < 1)
94                 return 0;
95
96         return buffer[0];
97 }
98
99 u32 cx25840_read4(struct i2c_client * client, u16 addr)
100 {
101         u8 buffer[4];
102         buffer[0] = addr >> 8;
103         buffer[1] = addr & 0xff;
104
105         if (i2c_master_send(client, buffer, 2) < 2)
106                 return 0;
107
108         if (i2c_master_recv(client, buffer, 4) < 4)
109                 return 0;
110
111         return (buffer[3] << 24) | (buffer[2] << 16) |
112             (buffer[1] << 8) | buffer[0];
113 }
114
115 int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned and_mask,
116                    u8 or_value)
117 {
118         return cx25840_write(client, addr,
119                              (cx25840_read(client, addr) & and_mask) |
120                              or_value);
121 }
122
123 /* ----------------------------------------------------------------------- */
124
125 static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input,
126                                                 enum cx25840_audio_input aud_input);
127
128 /* ----------------------------------------------------------------------- */
129
130 static void init_dll1(struct i2c_client *client)
131 {
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);
137         udelay(10);
138         cx25840_write(client, 0x159, 0xe1);
139         udelay(10);
140         cx25840_write(client, 0x15a, 0x86);
141         cx25840_write(client, 0x159, 0xe0);
142         cx25840_write(client, 0x159, 0xe1);
143         cx25840_write(client, 0x15b, 0x10);
144 }
145
146 static void init_dll2(struct i2c_client *client)
147 {
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);
153         udelay(10);
154         cx25840_write(client, 0x15d, 0xe1);
155         cx25840_write(client, 0x15d, 0xe0);
156         cx25840_write(client, 0x15d, 0xe1);
157 }
158
159 static void cx25836_initialize(struct i2c_client *client)
160 {
161         /* reset configuration is described on page 3-77 of the CX25836 datasheet */
162         /* 2. */
163         cx25840_and_or(client, 0x000, ~0x01, 0x01);
164         cx25840_and_or(client, 0x000, ~0x01, 0x00);
165         /* 3a. */
166         cx25840_and_or(client, 0x15a, ~0x70, 0x00);
167         /* 3b. */
168         cx25840_and_or(client, 0x15b, ~0x1e, 0x06);
169         /* 3c. */
170         cx25840_and_or(client, 0x159, ~0x02, 0x02);
171         /* 3d. */
172         udelay(10);
173         /* 3e. */
174         cx25840_and_or(client, 0x159, ~0x02, 0x00);
175         /* 3f. */
176         cx25840_and_or(client, 0x159, ~0xc0, 0xc0);
177         /* 3g. */
178         cx25840_and_or(client, 0x159, ~0x01, 0x00);
179         cx25840_and_or(client, 0x159, ~0x01, 0x01);
180         /* 3h. */
181         cx25840_and_or(client, 0x15b, ~0x1e, 0x10);
182 }
183
184 static void cx25840_work_handler(struct work_struct *work)
185 {
186         struct cx25840_state *state = container_of(work, struct cx25840_state, fw_work);
187         cx25840_loadfw(state->c);
188         wake_up(&state->fw_wait);
189 }
190
191 static void cx25840_initialize(struct i2c_client *client)
192 {
193         DEFINE_WAIT(wait);
194         struct cx25840_state *state = i2c_get_clientdata(client);
195         struct workqueue_struct *q;
196
197         /* datasheet startup in numbered steps, refer to page 3-77 */
198         /* 2. */
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);
203         /* 3. */
204         init_dll1(client);
205         init_dll2(client);
206         cx25840_write(client, 0x136, 0x0a);
207         /* 4. */
208         cx25840_write(client, 0x13c, 0x01);
209         cx25840_write(client, 0x13c, 0x00);
210         /* 5. */
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
214            firmware. */
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);
220         schedule();
221         finish_wait(&state->fw_wait, &wait);
222         destroy_workqueue(q);
223
224         /* 6. */
225         cx25840_write(client, 0x115, 0x8c);
226         cx25840_write(client, 0x116, 0x07);
227         cx25840_write(client, 0x118, 0x02);
228         /* 7. */
229         cx25840_write(client, 0x4a5, 0x80);
230         cx25840_write(client, 0x4a5, 0x00);
231         cx25840_write(client, 0x402, 0x00);
232         /* 8. */
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() */
236         /* 10. */
237         cx25840_write(client, 0x8d3, 0x1f);
238         cx25840_write(client, 0x8e3, 0x03);
239
240         cx25840_std_setup(client);
241
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);
246
247         /* stereo prefered */
248         cx25840_write(client, 0x809, 0x04);
249         /* AC97 shift */
250         cx25840_write(client, 0x8cf, 0x0f);
251
252         /* (re)set input */
253         set_input(client, state->vid_input, state->aud_input);
254
255         /* start microcontroller */
256         cx25840_and_or(client, 0x803, ~0x10, 0x10);
257 }
258
259 static void cx23885_initialize(struct i2c_client *client)
260 {
261         DEFINE_WAIT(wait);
262         struct cx25840_state *state = i2c_get_clientdata(client);
263         struct workqueue_struct *q;
264
265         /* Internal Reset */
266         cx25840_and_or(client, 0x102, ~0x01, 0x01);
267         cx25840_and_or(client, 0x102, ~0x01, 0x00);
268
269         /* Stop microcontroller */
270         cx25840_and_or(client, 0x803, ~0x10, 0x00);
271
272         /* DIF in reset? */
273         cx25840_write(client, 0x398, 0);
274
275         /* Trust the default xtal, no division */
276         /* This changes for the cx23888 products */
277         cx25840_write(client, 0x2, 0x76);
278
279         /* Bring down the regulator for AUX clk */
280         cx25840_write(client, 0x1, 0x40);
281
282         /* Sys PLL frac */
283         cx25840_write4(client, 0x11c, 0x01d1744c);
284
285         /* Sys PLL int */
286         cx25840_write4(client, 0x118, 0x00000416);
287
288         /* Disable DIF bypass */
289         cx25840_write4(client, 0x33c, 0x00000001);
290
291         /* DIF Src phase inc */
292         cx25840_write4(client, 0x340, 0x0df7df83);
293
294         /* Vid PLL frac */
295         cx25840_write4(client, 0x10c, 0x01b6db7b);
296
297         /* Vid PLL int */
298         cx25840_write4(client, 0x108, 0x00000512);
299
300         /* Luma */
301         cx25840_write4(client, 0x414, 0x00107d12);
302
303         /* Chroma */
304         cx25840_write4(client, 0x420, 0x3d008282);
305
306         /* Aux PLL frac */
307         cx25840_write4(client, 0x114, 0x017dbf48);
308
309         /* Aux PLL int */
310         cx25840_write4(client, 0x110, 0x000a030e);
311
312         /* ADC2 input select */
313         cx25840_write(client, 0x102, 0x10);
314
315         /* VIN1 & VIN5 */
316         cx25840_write(client, 0x103, 0x11);
317
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);
323
324         /* Select AFE clock pad output source */
325         cx25840_write(client, 0x144, 0x05);
326
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
330            firmware. */
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);
336         schedule();
337         finish_wait(&state->fw_wait, &wait);
338         destroy_workqueue(q);
339
340         cx25840_std_setup(client);
341
342         /* (re)set input */
343         set_input(client, state->vid_input, state->aud_input);
344
345         /* start microcontroller */
346         cx25840_and_or(client, 0x803, ~0x10, 0x10);
347 }
348
349 /* ----------------------------------------------------------------------- */
350
351 void cx25840_std_setup(struct i2c_client *client)
352 {
353         struct cx25840_state *state = i2c_get_clientdata(client);
354         v4l2_std_id std = state->std;
355         int hblank, hactive, burst, vblank, vactive, sc;
356         int vblank656, src_decimation;
357         int luma_lpf, uv_lpf, comb;
358         u32 pll_int, pll_frac, pll_post;
359
360         /* datasheet startup, step 8d */
361         if (std & ~V4L2_STD_NTSC)
362                 cx25840_write(client, 0x49f, 0x11);
363         else
364                 cx25840_write(client, 0x49f, 0x14);
365
366         if (std & V4L2_STD_625_50) {
367                 hblank = 132;
368                 hactive = 720;
369                 burst = 93;
370                 vblank = 36;
371                 vactive = 580;
372                 vblank656 = 40;
373                 src_decimation = 0x21f;
374                 luma_lpf = 2;
375
376                 if (std & V4L2_STD_SECAM) {
377                         uv_lpf = 0;
378                         comb = 0;
379                         sc = 0x0a425f;
380                 } else if (std == V4L2_STD_PAL_Nc) {
381                         uv_lpf = 1;
382                         comb = 0x20;
383                         sc = 556453;
384                 } else {
385                         uv_lpf = 1;
386                         comb = 0x20;
387                         sc = 688739;
388                 }
389         } else {
390                 hactive = 720;
391                 hblank = 122;
392                 vactive = 487;
393                 luma_lpf = 1;
394                 uv_lpf = 1;
395
396                 src_decimation = 0x21f;
397                 if (std == V4L2_STD_PAL_60) {
398                         vblank = 26;
399                         vblank656 = 26;
400                         burst = 0x5b;
401                         luma_lpf = 2;
402                         comb = 0x20;
403                         sc = 688739;
404                 } else if (std == V4L2_STD_PAL_M) {
405                         vblank = 20;
406                         vblank656 = 24;
407                         burst = 0x61;
408                         comb = 0x20;
409                         sc = 555452;
410                 } else {
411                         vblank = 26;
412                         vblank656 = 26;
413                         burst = 0x5b;
414                         comb = 0x66;
415                         sc = 556063;
416                 }
417         }
418
419         /* DEBUG: Displays configured PLL frequency */
420         pll_int = cx25840_read(client, 0x108);
421         pll_frac = cx25840_read4(client, 0x10c) & 0x1ffffff;
422         pll_post = cx25840_read(client, 0x109);
423         v4l_dbg(1, cx25840_debug, client,
424                                 "PLL regs = int: %u, frac: %u, post: %u\n",
425                                 pll_int, pll_frac, pll_post);
426
427         if (pll_post) {
428                 int fin, fsc;
429                 int pll = (28636363L * ((((u64)pll_int) << 25L) + pll_frac)) >> 25L;
430
431                 pll /= pll_post;
432                 v4l_dbg(1, cx25840_debug, client, "PLL = %d.%06d MHz\n",
433                                 pll / 1000000, pll % 1000000);
434                 v4l_dbg(1, cx25840_debug, client, "PLL/8 = %d.%06d MHz\n",
435                                 pll / 8000000, (pll / 8) % 1000000);
436
437                 fin = ((u64)src_decimation * pll) >> 12;
438                 v4l_dbg(1, cx25840_debug, client,
439                                 "ADC Sampling freq = %d.%06d MHz\n",
440                                 fin / 1000000, fin % 1000000);
441
442                 fsc = (((u64)sc) * pll) >> 24L;
443                 v4l_dbg(1, cx25840_debug, client,
444                                 "Chroma sub-carrier freq = %d.%06d MHz\n",
445                                 fsc / 1000000, fsc % 1000000);
446
447                 v4l_dbg(1, cx25840_debug, client, "hblank %i, hactive %i, "
448                         "vblank %i, vactive %i, vblank656 %i, src_dec %i, "
449                         "burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x, "
450                         "sc 0x%06x\n",
451                         hblank, hactive, vblank, vactive, vblank656,
452                         src_decimation, burst, luma_lpf, uv_lpf, comb, sc);
453         }
454
455         /* Sets horizontal blanking delay and active lines */
456         cx25840_write(client, 0x470, hblank);
457         cx25840_write(client, 0x471,
458                         0xff & (((hblank >> 8) & 0x3) | (hactive << 4)));
459         cx25840_write(client, 0x472, hactive >> 4);
460
461         /* Sets burst gate delay */
462         cx25840_write(client, 0x473, burst);
463
464         /* Sets vertical blanking delay and active duration */
465         cx25840_write(client, 0x474, vblank);
466         cx25840_write(client, 0x475,
467                         0xff & (((vblank >> 8) & 0x3) | (vactive << 4)));
468         cx25840_write(client, 0x476, vactive >> 4);
469         cx25840_write(client, 0x477, vblank656);
470
471         /* Sets src decimation rate */
472         cx25840_write(client, 0x478, 0xff & src_decimation);
473         cx25840_write(client, 0x479, 0xff & (src_decimation >> 8));
474
475         /* Sets Luma and UV Low pass filters */
476         cx25840_write(client, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30));
477
478         /* Enables comb filters */
479         cx25840_write(client, 0x47b, comb);
480
481         /* Sets SC Step*/
482         cx25840_write(client, 0x47c, sc);
483         cx25840_write(client, 0x47d, 0xff & sc >> 8);
484         cx25840_write(client, 0x47e, 0xff & sc >> 16);
485
486         /* Sets VBI parameters */
487         if (std & V4L2_STD_625_50) {
488                 cx25840_write(client, 0x47f, 0x01);
489                 state->vbi_line_offset = 5;
490         } else {
491                 cx25840_write(client, 0x47f, 0x00);
492                 state->vbi_line_offset = 8;
493         }
494 }
495
496 /* ----------------------------------------------------------------------- */
497
498 static void input_change(struct i2c_client *client)
499 {
500         struct cx25840_state *state = i2c_get_clientdata(client);
501         v4l2_std_id std = state->std;
502
503         /* Follow step 8c and 8d of section 3.16 in the cx25840 datasheet */
504         if (std & V4L2_STD_SECAM) {
505                 cx25840_write(client, 0x402, 0);
506         }
507         else {
508                 cx25840_write(client, 0x402, 0x04);
509                 cx25840_write(client, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
510         }
511         cx25840_and_or(client, 0x401, ~0x60, 0);
512         cx25840_and_or(client, 0x401, ~0x60, 0x60);
513         cx25840_and_or(client, 0x810, ~0x01, 1);
514
515         if (state->radio) {
516                 cx25840_write(client, 0x808, 0xf9);
517                 cx25840_write(client, 0x80b, 0x00);
518         }
519         else if (std & V4L2_STD_525_60) {
520                 /* Certain Hauppauge PVR150 models have a hardware bug
521                    that causes audio to drop out. For these models the
522                    audio standard must be set explicitly.
523                    To be precise: it affects cards with tuner models
524                    85, 99 and 112 (model numbers from tveeprom). */
525                 int hw_fix = state->pvr150_workaround;
526
527                 if (std == V4L2_STD_NTSC_M_JP) {
528                         /* Japan uses EIAJ audio standard */
529                         cx25840_write(client, 0x808, hw_fix ? 0x2f : 0xf7);
530                 } else if (std == V4L2_STD_NTSC_M_KR) {
531                         /* South Korea uses A2 audio standard */
532                         cx25840_write(client, 0x808, hw_fix ? 0x3f : 0xf8);
533                 } else {
534                         /* Others use the BTSC audio standard */
535                         cx25840_write(client, 0x808, hw_fix ? 0x1f : 0xf6);
536                 }
537                 cx25840_write(client, 0x80b, 0x00);
538         } else if (std & V4L2_STD_PAL) {
539                 /* Follow tuner change procedure for PAL */
540                 cx25840_write(client, 0x808, 0xff);
541                 cx25840_write(client, 0x80b, 0x10);
542         } else if (std & V4L2_STD_SECAM) {
543                 /* Select autodetect for SECAM */
544                 cx25840_write(client, 0x808, 0xff);
545                 cx25840_write(client, 0x80b, 0x10);
546         }
547
548         cx25840_and_or(client, 0x810, ~0x01, 0);
549 }
550
551 static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input,
552                                                 enum cx25840_audio_input aud_input)
553 {
554         struct cx25840_state *state = i2c_get_clientdata(client);
555         u8 is_composite = (vid_input >= CX25840_COMPOSITE1 &&
556                            vid_input <= CX25840_COMPOSITE8);
557         u8 reg;
558
559         v4l_dbg(1, cx25840_debug, client,
560                 "decoder set video input %d, audio input %d\n",
561                 vid_input, aud_input);
562
563         if (vid_input >= CX25840_VIN1_CH1) {
564                 v4l_dbg(1, cx25840_debug, client, "vid_input 0x%x\n",
565                         vid_input);
566                 reg = vid_input & 0xff;
567                 if ((vid_input & CX25840_SVIDEO_ON) == CX25840_SVIDEO_ON)
568                         is_composite = 0;
569                 else
570                         is_composite = 1;
571
572                 v4l_dbg(1, cx25840_debug, client, "mux cfg 0x%x comp=%d\n",
573                         reg, is_composite);
574         } else
575         if (is_composite) {
576                 reg = 0xf0 + (vid_input - CX25840_COMPOSITE1);
577         } else {
578                 int luma = vid_input & 0xf0;
579                 int chroma = vid_input & 0xf00;
580
581                 if ((vid_input & ~0xff0) ||
582                     luma < CX25840_SVIDEO_LUMA1 || luma > CX25840_SVIDEO_LUMA8 ||
583                     chroma < CX25840_SVIDEO_CHROMA4 || chroma > CX25840_SVIDEO_CHROMA8) {
584                         v4l_err(client, "0x%04x is not a valid video input!\n",
585                                 vid_input);
586                         return -EINVAL;
587                 }
588                 reg = 0xf0 + ((luma - CX25840_SVIDEO_LUMA1) >> 4);
589                 if (chroma >= CX25840_SVIDEO_CHROMA7) {
590                         reg &= 0x3f;
591                         reg |= (chroma - CX25840_SVIDEO_CHROMA7) >> 2;
592                 } else {
593                         reg &= 0xcf;
594                         reg |= (chroma - CX25840_SVIDEO_CHROMA4) >> 4;
595                 }
596         }
597
598         /* The caller has previously prepared the correct routing
599          * configuration in reg (for the cx23885) so we have no
600          * need to attempt to flip bits for earlier av decoders.
601          */
602         if (!state->is_cx23885) {
603                 switch (aud_input) {
604                 case CX25840_AUDIO_SERIAL:
605                         /* do nothing, use serial audio input */
606                         break;
607                 case CX25840_AUDIO4: reg &= ~0x30; break;
608                 case CX25840_AUDIO5: reg &= ~0x30; reg |= 0x10; break;
609                 case CX25840_AUDIO6: reg &= ~0x30; reg |= 0x20; break;
610                 case CX25840_AUDIO7: reg &= ~0xc0; break;
611                 case CX25840_AUDIO8: reg &= ~0xc0; reg |= 0x40; break;
612
613                 default:
614                         v4l_err(client, "0x%04x is not a valid audio input!\n",
615                                 aud_input);
616                         return -EINVAL;
617                 }
618         }
619
620         cx25840_write(client, 0x103, reg);
621
622         /* Set INPUT_MODE to Composite (0) or S-Video (1) */
623         cx25840_and_or(client, 0x401, ~0x6, is_composite ? 0 : 0x02);
624
625         if (!state->is_cx23885) {
626                 /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
627                 cx25840_and_or(client, 0x102, ~0x2, (reg & 0x80) == 0 ? 2 : 0);
628                 /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2&CH3 */
629                 if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30)
630                         cx25840_and_or(client, 0x102, ~0x4, 4);
631                 else
632                         cx25840_and_or(client, 0x102, ~0x4, 0);
633         } else {
634                 if (is_composite)
635                         /* ADC2 input select channel 2 */
636                         cx25840_and_or(client, 0x102, ~0x2, 0);
637                 else
638                         /* ADC2 input select channel 3 */
639                         cx25840_and_or(client, 0x102, ~0x2, 2);
640         }
641
642         state->vid_input = vid_input;
643         state->aud_input = aud_input;
644         if (!state->is_cx25836) {
645                 cx25840_audio_set_path(client);
646                 input_change(client);
647         }
648
649         if (state->is_cx23885) {
650                 /* Audio channel 1 src : Parallel 1 */
651                 cx25840_write(client, 0x124, 0x03);
652
653                 /* Select AFE clock pad output source */
654                 cx25840_write(client, 0x144, 0x05);
655
656                 /* I2S_IN_CTL: I2S_IN_SONY_MODE, LEFT SAMPLE on WS=1 */
657                 cx25840_write(client, 0x914, 0xa0);
658
659                 /* I2S_OUT_CTL:
660                  * I2S_IN_SONY_MODE, LEFT SAMPLE on WS=1
661                  * I2S_OUT_MASTER_MODE = Master
662                  */
663                 cx25840_write(client, 0x918, 0xa0);
664                 cx25840_write(client, 0x919, 0x01);
665         }
666
667         return 0;
668 }
669
670 /* ----------------------------------------------------------------------- */
671
672 static int set_v4lstd(struct i2c_client *client)
673 {
674         struct cx25840_state *state = i2c_get_clientdata(client);
675         u8 fmt = 0;     /* zero is autodetect */
676         u8 pal_m = 0;
677
678         /* First tests should be against specific std */
679         if (state->std == V4L2_STD_NTSC_M_JP) {
680                 fmt = 0x2;
681         } else if (state->std == V4L2_STD_NTSC_443) {
682                 fmt = 0x3;
683         } else if (state->std == V4L2_STD_PAL_M) {
684                 pal_m = 1;
685                 fmt = 0x5;
686         } else if (state->std == V4L2_STD_PAL_N) {
687                 fmt = 0x6;
688         } else if (state->std == V4L2_STD_PAL_Nc) {
689                 fmt = 0x7;
690         } else if (state->std == V4L2_STD_PAL_60) {
691                 fmt = 0x8;
692         } else {
693                 /* Then, test against generic ones */
694                 if (state->std & V4L2_STD_NTSC)
695                         fmt = 0x1;
696                 else if (state->std & V4L2_STD_PAL)
697                         fmt = 0x4;
698                 else if (state->std & V4L2_STD_SECAM)
699                         fmt = 0xc;
700         }
701
702         v4l_dbg(1, cx25840_debug, client, "changing video std to fmt %i\n",fmt);
703
704         /* Follow step 9 of section 3.16 in the cx25840 datasheet.
705            Without this PAL may display a vertical ghosting effect.
706            This happens for example with the Yuan MPC622. */
707         if (fmt >= 4 && fmt < 8) {
708                 /* Set format to NTSC-M */
709                 cx25840_and_or(client, 0x400, ~0xf, 1);
710                 /* Turn off LCOMB */
711                 cx25840_and_or(client, 0x47b, ~6, 0);
712         }
713         cx25840_and_or(client, 0x400, ~0xf, fmt);
714         cx25840_and_or(client, 0x403, ~0x3, pal_m);
715         cx25840_std_setup(client);
716         if (!state->is_cx25836)
717                 input_change(client);
718         return 0;
719 }
720
721 /* ----------------------------------------------------------------------- */
722
723 static int set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
724 {
725         struct cx25840_state *state = i2c_get_clientdata(client);
726
727         switch (ctrl->id) {
728         case CX25840_CID_ENABLE_PVR150_WORKAROUND:
729                 state->pvr150_workaround = ctrl->value;
730                 set_input(client, state->vid_input, state->aud_input);
731                 break;
732
733         case V4L2_CID_BRIGHTNESS:
734                 if (ctrl->value < 0 || ctrl->value > 255) {
735                         v4l_err(client, "invalid brightness setting %d\n",
736                                     ctrl->value);
737                         return -ERANGE;
738                 }
739
740                 cx25840_write(client, 0x414, ctrl->value - 128);
741                 break;
742
743         case V4L2_CID_CONTRAST:
744                 if (ctrl->value < 0 || ctrl->value > 127) {
745                         v4l_err(client, "invalid contrast setting %d\n",
746                                     ctrl->value);
747                         return -ERANGE;
748                 }
749
750                 cx25840_write(client, 0x415, ctrl->value << 1);
751                 break;
752
753         case V4L2_CID_SATURATION:
754                 if (ctrl->value < 0 || ctrl->value > 127) {
755                         v4l_err(client, "invalid saturation setting %d\n",
756                                     ctrl->value);
757                         return -ERANGE;
758                 }
759
760                 cx25840_write(client, 0x420, ctrl->value << 1);
761                 cx25840_write(client, 0x421, ctrl->value << 1);
762                 break;
763
764         case V4L2_CID_HUE:
765                 if (ctrl->value < -127 || ctrl->value > 127) {
766                         v4l_err(client, "invalid hue setting %d\n", ctrl->value);
767                         return -ERANGE;
768                 }
769
770                 cx25840_write(client, 0x422, ctrl->value);
771                 break;
772
773         case V4L2_CID_AUDIO_VOLUME:
774         case V4L2_CID_AUDIO_BASS:
775         case V4L2_CID_AUDIO_TREBLE:
776         case V4L2_CID_AUDIO_BALANCE:
777         case V4L2_CID_AUDIO_MUTE:
778                 if (state->is_cx25836)
779                         return -EINVAL;
780                 return cx25840_audio(client, VIDIOC_S_CTRL, ctrl);
781
782         default:
783                 return -EINVAL;
784         }
785
786         return 0;
787 }
788
789 static int get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
790 {
791         struct cx25840_state *state = i2c_get_clientdata(client);
792
793         switch (ctrl->id) {
794         case CX25840_CID_ENABLE_PVR150_WORKAROUND:
795                 ctrl->value = state->pvr150_workaround;
796                 break;
797         case V4L2_CID_BRIGHTNESS:
798                 ctrl->value = (s8)cx25840_read(client, 0x414) + 128;
799                 break;
800         case V4L2_CID_CONTRAST:
801                 ctrl->value = cx25840_read(client, 0x415) >> 1;
802                 break;
803         case V4L2_CID_SATURATION:
804                 ctrl->value = cx25840_read(client, 0x420) >> 1;
805                 break;
806         case V4L2_CID_HUE:
807                 ctrl->value = (s8)cx25840_read(client, 0x422);
808                 break;
809         case V4L2_CID_AUDIO_VOLUME:
810         case V4L2_CID_AUDIO_BASS:
811         case V4L2_CID_AUDIO_TREBLE:
812         case V4L2_CID_AUDIO_BALANCE:
813         case V4L2_CID_AUDIO_MUTE:
814                 if (state->is_cx25836)
815                         return -EINVAL;
816                 return cx25840_audio(client, VIDIOC_G_CTRL, ctrl);
817         default:
818                 return -EINVAL;
819         }
820
821         return 0;
822 }
823
824 /* ----------------------------------------------------------------------- */
825
826 static int get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
827 {
828         switch (fmt->type) {
829         case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
830                 return cx25840_vbi(client, VIDIOC_G_FMT, fmt);
831         default:
832                 return -EINVAL;
833         }
834
835         return 0;
836 }
837
838 static int set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
839 {
840         struct cx25840_state *state = i2c_get_clientdata(client);
841         struct v4l2_pix_format *pix;
842         int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
843         int is_50Hz = !(state->std & V4L2_STD_525_60);
844
845         switch (fmt->type) {
846         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
847                 pix = &(fmt->fmt.pix);
848
849                 Vsrc = (cx25840_read(client, 0x476) & 0x3f) << 4;
850                 Vsrc |= (cx25840_read(client, 0x475) & 0xf0) >> 4;
851
852                 Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4;
853                 Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4;
854
855                 Vlines = pix->height + (is_50Hz ? 4 : 7);
856
857                 if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) ||
858                     (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
859                         v4l_err(client, "%dx%d is not a valid size!\n",
860                                     pix->width, pix->height);
861                         return -ERANGE;
862                 }
863
864                 HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20);
865                 VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
866                 VSC &= 0x1fff;
867
868                 if (pix->width >= 385)
869                         filter = 0;
870                 else if (pix->width > 192)
871                         filter = 1;
872                 else if (pix->width > 96)
873                         filter = 2;
874                 else
875                         filter = 3;
876
877                 v4l_dbg(1, cx25840_debug, client, "decoder set size %dx%d -> scale  %ux%u\n",
878                             pix->width, pix->height, HSC, VSC);
879
880                 /* HSCALE=HSC */
881                 cx25840_write(client, 0x418, HSC & 0xff);
882                 cx25840_write(client, 0x419, (HSC >> 8) & 0xff);
883                 cx25840_write(client, 0x41a, HSC >> 16);
884                 /* VSCALE=VSC */
885                 cx25840_write(client, 0x41c, VSC & 0xff);
886                 cx25840_write(client, 0x41d, VSC >> 8);
887                 /* VS_INTRLACE=1 VFILT=filter */
888                 cx25840_write(client, 0x41e, 0x8 | filter);
889                 break;
890
891         case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
892                 return cx25840_vbi(client, VIDIOC_S_FMT, fmt);
893
894         case V4L2_BUF_TYPE_VBI_CAPTURE:
895                 return cx25840_vbi(client, VIDIOC_S_FMT, fmt);
896
897         default:
898                 return -EINVAL;
899         }
900
901         return 0;
902 }
903
904 /* ----------------------------------------------------------------------- */
905
906 static void log_video_status(struct i2c_client *client)
907 {
908         static const char *const fmt_strs[] = {
909                 "0x0",
910                 "NTSC-M", "NTSC-J", "NTSC-4.43",
911                 "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
912                 "0x9", "0xA", "0xB",
913                 "SECAM",
914                 "0xD", "0xE", "0xF"
915         };
916
917         struct cx25840_state *state = i2c_get_clientdata(client);
918         u8 vidfmt_sel = cx25840_read(client, 0x400) & 0xf;
919         u8 gen_stat1 = cx25840_read(client, 0x40d);
920         u8 gen_stat2 = cx25840_read(client, 0x40e);
921         int vid_input = state->vid_input;
922
923         v4l_info(client, "Video signal:              %spresent\n",
924                     (gen_stat2 & 0x20) ? "" : "not ");
925         v4l_info(client, "Detected format:           %s\n",
926                     fmt_strs[gen_stat1 & 0xf]);
927
928         v4l_info(client, "Specified standard:        %s\n",
929                     vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
930
931         if (vid_input >= CX25840_COMPOSITE1 &&
932             vid_input <= CX25840_COMPOSITE8) {
933                 v4l_info(client, "Specified video input:     Composite %d\n",
934                         vid_input - CX25840_COMPOSITE1 + 1);
935         } else {
936                 v4l_info(client, "Specified video input:     S-Video (Luma In%d, Chroma In%d)\n",
937                         (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8);
938         }
939
940         v4l_info(client, "Specified audioclock freq: %d Hz\n", state->audclk_freq);
941 }
942
943 /* ----------------------------------------------------------------------- */
944
945 static void log_audio_status(struct i2c_client *client)
946 {
947         struct cx25840_state *state = i2c_get_clientdata(client);
948         u8 download_ctl = cx25840_read(client, 0x803);
949         u8 mod_det_stat0 = cx25840_read(client, 0x804);
950         u8 mod_det_stat1 = cx25840_read(client, 0x805);
951         u8 audio_config = cx25840_read(client, 0x808);
952         u8 pref_mode = cx25840_read(client, 0x809);
953         u8 afc0 = cx25840_read(client, 0x80b);
954         u8 mute_ctl = cx25840_read(client, 0x8d3);
955         int aud_input = state->aud_input;
956         char *p;
957
958         switch (mod_det_stat0) {
959         case 0x00: p = "mono"; break;
960         case 0x01: p = "stereo"; break;
961         case 0x02: p = "dual"; break;
962         case 0x04: p = "tri"; break;
963         case 0x10: p = "mono with SAP"; break;
964         case 0x11: p = "stereo with SAP"; break;
965         case 0x12: p = "dual with SAP"; break;
966         case 0x14: p = "tri with SAP"; break;
967         case 0xfe: p = "forced mode"; break;
968         default: p = "not defined";
969         }
970         v4l_info(client, "Detected audio mode:       %s\n", p);
971
972         switch (mod_det_stat1) {
973         case 0x00: p = "not defined"; break;
974         case 0x01: p = "EIAJ"; break;
975         case 0x02: p = "A2-M"; break;
976         case 0x03: p = "A2-BG"; break;
977         case 0x04: p = "A2-DK1"; break;
978         case 0x05: p = "A2-DK2"; break;
979         case 0x06: p = "A2-DK3"; break;
980         case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
981         case 0x08: p = "AM-L"; break;
982         case 0x09: p = "NICAM-BG"; break;
983         case 0x0a: p = "NICAM-DK"; break;
984         case 0x0b: p = "NICAM-I"; break;
985         case 0x0c: p = "NICAM-L"; break;
986         case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
987         case 0x0e: p = "IF FM Radio"; break;
988         case 0x0f: p = "BTSC"; break;
989         case 0x10: p = "high-deviation FM"; break;
990         case 0x11: p = "very high-deviation FM"; break;
991         case 0xfd: p = "unknown audio standard"; break;
992         case 0xfe: p = "forced audio standard"; break;
993         case 0xff: p = "no detected audio standard"; break;
994         default: p = "not defined";
995         }
996         v4l_info(client, "Detected audio standard:   %s\n", p);
997         v4l_info(client, "Audio muted:               %s\n",
998                     (state->unmute_volume >= 0) ? "yes" : "no");
999         v4l_info(client, "Audio microcontroller:     %s\n",
1000                     (download_ctl & 0x10) ?
1001                                 ((mute_ctl & 0x2) ? "detecting" : "running") : "stopped");
1002
1003         switch (audio_config >> 4) {
1004         case 0x00: p = "undefined"; break;
1005         case 0x01: p = "BTSC"; break;
1006         case 0x02: p = "EIAJ"; break;
1007         case 0x03: p = "A2-M"; break;
1008         case 0x04: p = "A2-BG"; break;
1009         case 0x05: p = "A2-DK1"; break;
1010         case 0x06: p = "A2-DK2"; break;
1011         case 0x07: p = "A2-DK3"; break;
1012         case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
1013         case 0x09: p = "AM-L"; break;
1014         case 0x0a: p = "NICAM-BG"; break;
1015         case 0x0b: p = "NICAM-DK"; break;
1016         case 0x0c: p = "NICAM-I"; break;
1017         case 0x0d: p = "NICAM-L"; break;
1018         case 0x0e: p = "FM radio"; break;
1019         case 0x0f: p = "automatic detection"; break;
1020         default: p = "undefined";
1021         }
1022         v4l_info(client, "Configured audio standard: %s\n", p);
1023
1024         if ((audio_config >> 4) < 0xF) {
1025                 switch (audio_config & 0xF) {
1026                 case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
1027                 case 0x01: p = "MONO2 (LANGUAGE B)"; break;
1028                 case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
1029                 case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
1030                 case 0x04: p = "STEREO"; break;
1031                 case 0x05: p = "DUAL1 (AB)"; break;
1032                 case 0x06: p = "DUAL2 (AC) (FM)"; break;
1033                 case 0x07: p = "DUAL3 (BC) (FM)"; break;
1034                 case 0x08: p = "DUAL4 (AC) (AM)"; break;
1035                 case 0x09: p = "DUAL5 (BC) (AM)"; break;
1036                 case 0x0a: p = "SAP"; break;
1037                 default: p = "undefined";
1038                 }
1039                 v4l_info(client, "Configured audio mode:     %s\n", p);
1040         } else {
1041                 switch (audio_config & 0xF) {
1042                 case 0x00: p = "BG"; break;
1043                 case 0x01: p = "DK1"; break;
1044                 case 0x02: p = "DK2"; break;
1045                 case 0x03: p = "DK3"; break;
1046                 case 0x04: p = "I"; break;
1047                 case 0x05: p = "L"; break;
1048                 case 0x06: p = "BTSC"; break;
1049                 case 0x07: p = "EIAJ"; break;
1050                 case 0x08: p = "A2-M"; break;
1051                 case 0x09: p = "FM Radio"; break;
1052                 case 0x0f: p = "automatic standard and mode detection"; break;
1053                 default: p = "undefined";
1054                 }
1055                 v4l_info(client, "Configured audio system:   %s\n", p);
1056         }
1057
1058         if (aud_input) {
1059                 v4l_info(client, "Specified audio input:     Tuner (In%d)\n", aud_input);
1060         } else {
1061                 v4l_info(client, "Specified audio input:     External\n");
1062         }
1063
1064         switch (pref_mode & 0xf) {
1065         case 0: p = "mono/language A"; break;
1066         case 1: p = "language B"; break;
1067         case 2: p = "language C"; break;
1068         case 3: p = "analog fallback"; break;
1069         case 4: p = "stereo"; break;
1070         case 5: p = "language AC"; break;
1071         case 6: p = "language BC"; break;
1072         case 7: p = "language AB"; break;
1073         default: p = "undefined";
1074         }
1075         v4l_info(client, "Preferred audio mode:      %s\n", p);
1076
1077         if ((audio_config & 0xf) == 0xf) {
1078                 switch ((afc0 >> 3) & 0x3) {
1079                 case 0: p = "system DK"; break;
1080                 case 1: p = "system L"; break;
1081                 case 2: p = "autodetect"; break;
1082                 default: p = "undefined";
1083                 }
1084                 v4l_info(client, "Selected 65 MHz format:    %s\n", p);
1085
1086                 switch (afc0 & 0x7) {
1087                 case 0: p = "chroma"; break;
1088                 case 1: p = "BTSC"; break;
1089                 case 2: p = "EIAJ"; break;
1090                 case 3: p = "A2-M"; break;
1091                 case 4: p = "autodetect"; break;
1092                 default: p = "undefined";
1093                 }
1094                 v4l_info(client, "Selected 45 MHz format:    %s\n", p);
1095         }
1096 }
1097
1098 /* ----------------------------------------------------------------------- */
1099
1100 static int cx25840_command(struct i2c_client *client, unsigned int cmd,
1101                            void *arg)
1102 {
1103         struct cx25840_state *state = i2c_get_clientdata(client);
1104         struct v4l2_tuner *vt = arg;
1105         struct v4l2_routing *route = arg;
1106
1107         /* ignore these commands */
1108         switch (cmd) {
1109                 case TUNER_SET_TYPE_ADDR:
1110                         return 0;
1111         }
1112
1113         if (!state->is_initialized) {
1114                 v4l_dbg(1, cx25840_debug, client, "cmd %08x triggered fw load\n", cmd);
1115                 /* initialize on first use */
1116                 state->is_initialized = 1;
1117                 if (state->is_cx25836)
1118                         cx25836_initialize(client);
1119                 else if (state->is_cx23885)
1120                         cx23885_initialize(client);
1121                 else
1122                         cx25840_initialize(client);
1123         }
1124
1125         switch (cmd) {
1126 #ifdef CONFIG_VIDEO_ADV_DEBUG
1127         /* ioctls to allow direct access to the
1128          * cx25840 registers for testing */
1129         case VIDIOC_DBG_G_REGISTER:
1130         case VIDIOC_DBG_S_REGISTER:
1131         {
1132                 struct v4l2_register *reg = arg;
1133
1134                 if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
1135                         return -EINVAL;
1136                 if (!capable(CAP_SYS_ADMIN))
1137                         return -EPERM;
1138
1139                 if (cmd == VIDIOC_DBG_G_REGISTER)
1140                         reg->val = cx25840_read(client, reg->reg & 0x0fff);
1141                 else
1142                         cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
1143                 break;
1144         }
1145 #endif
1146
1147         case VIDIOC_INT_DECODE_VBI_LINE:
1148                 return cx25840_vbi(client, cmd, arg);
1149
1150         case VIDIOC_INT_AUDIO_CLOCK_FREQ:
1151                 return cx25840_audio(client, cmd, arg);
1152
1153         case VIDIOC_STREAMON:
1154                 v4l_dbg(1, cx25840_debug, client, "enable output\n");
1155                 if (state->is_cx23885) {
1156                         u8 v = (cx25840_read(client, 0x421) | 0x0b);
1157                         cx25840_write(client, 0x421, v);
1158                 } else {
1159                         cx25840_write(client, 0x115,
1160                                 state->is_cx25836 ? 0x0c : 0x8c);
1161                         cx25840_write(client, 0x116,
1162                                 state->is_cx25836 ? 0x04 : 0x07);
1163                 }
1164                 break;
1165
1166         case VIDIOC_STREAMOFF:
1167                 v4l_dbg(1, cx25840_debug, client, "disable output\n");
1168                 if (state->is_cx23885) {
1169                         u8 v = cx25840_read(client, 0x421) & ~(0x0b);
1170                         cx25840_write(client, 0x421, v);
1171                 } else {
1172                         cx25840_write(client, 0x115, 0x00);
1173                         cx25840_write(client, 0x116, 0x00);
1174                 }
1175                 break;
1176
1177         case VIDIOC_LOG_STATUS:
1178                 log_video_status(client);
1179                 if (!state->is_cx25836)
1180                         log_audio_status(client);
1181                 break;
1182
1183         case VIDIOC_G_CTRL:
1184                 return get_v4lctrl(client, (struct v4l2_control *)arg);
1185
1186         case VIDIOC_S_CTRL:
1187                 return set_v4lctrl(client, (struct v4l2_control *)arg);
1188
1189         case VIDIOC_QUERYCTRL:
1190         {
1191                 struct v4l2_queryctrl *qc = arg;
1192
1193                 switch (qc->id) {
1194                         case V4L2_CID_BRIGHTNESS:
1195                         case V4L2_CID_CONTRAST:
1196                         case V4L2_CID_SATURATION:
1197                         case V4L2_CID_HUE:
1198                                 return v4l2_ctrl_query_fill_std(qc);
1199                         default:
1200                                 break;
1201                 }
1202                 if (state->is_cx25836)
1203                         return -EINVAL;
1204
1205                 switch (qc->id) {
1206                         case V4L2_CID_AUDIO_VOLUME:
1207                         case V4L2_CID_AUDIO_MUTE:
1208                         case V4L2_CID_AUDIO_BALANCE:
1209                         case V4L2_CID_AUDIO_BASS:
1210                         case V4L2_CID_AUDIO_TREBLE:
1211                                 return v4l2_ctrl_query_fill_std(qc);
1212                         default:
1213                                 return -EINVAL;
1214                 }
1215                 return -EINVAL;
1216         }
1217
1218         case VIDIOC_G_STD:
1219                 *(v4l2_std_id *)arg = state->std;
1220                 break;
1221
1222         case VIDIOC_S_STD:
1223                 if (state->radio == 0 && state->std == *(v4l2_std_id *)arg)
1224                         return 0;
1225                 state->radio = 0;
1226                 state->std = *(v4l2_std_id *)arg;
1227                 return set_v4lstd(client);
1228
1229         case AUDC_SET_RADIO:
1230                 state->radio = 1;
1231                 break;
1232
1233         case VIDIOC_INT_G_VIDEO_ROUTING:
1234                 route->input = state->vid_input;
1235                 route->output = 0;
1236                 break;
1237
1238         case VIDIOC_INT_S_VIDEO_ROUTING:
1239                 return set_input(client, route->input, state->aud_input);
1240
1241         case VIDIOC_INT_G_AUDIO_ROUTING:
1242                 if (state->is_cx25836)
1243                         return -EINVAL;
1244                 route->input = state->aud_input;
1245                 route->output = 0;
1246                 break;
1247
1248         case VIDIOC_INT_S_AUDIO_ROUTING:
1249                 if (state->is_cx25836)
1250                         return -EINVAL;
1251                 return set_input(client, state->vid_input, route->input);
1252
1253         case VIDIOC_S_FREQUENCY:
1254                 if (!state->is_cx25836) {
1255                         input_change(client);
1256                 }
1257                 break;
1258
1259         case VIDIOC_G_TUNER:
1260         {
1261                 u8 vpres = cx25840_read(client, 0x40e) & 0x20;
1262                 u8 mode;
1263                 int val = 0;
1264
1265                 if (state->radio)
1266                         break;
1267
1268                 vt->signal = vpres ? 0xffff : 0x0;
1269                 if (state->is_cx25836)
1270                         break;
1271
1272                 vt->capability |=
1273                     V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
1274                     V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
1275
1276                 mode = cx25840_read(client, 0x804);
1277
1278                 /* get rxsubchans and audmode */
1279                 if ((mode & 0xf) == 1)
1280                         val |= V4L2_TUNER_SUB_STEREO;
1281                 else
1282                         val |= V4L2_TUNER_SUB_MONO;
1283
1284                 if (mode == 2 || mode == 4)
1285                         val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
1286
1287                 if (mode & 0x10)
1288                         val |= V4L2_TUNER_SUB_SAP;
1289
1290                 vt->rxsubchans = val;
1291                 vt->audmode = state->audmode;
1292                 break;
1293         }
1294
1295         case VIDIOC_S_TUNER:
1296                 if (state->radio || state->is_cx25836)
1297                         break;
1298
1299                 switch (vt->audmode) {
1300                 case V4L2_TUNER_MODE_MONO:
1301                         /* mono      -> mono
1302                            stereo    -> mono
1303                            bilingual -> lang1 */
1304                         cx25840_and_or(client, 0x809, ~0xf, 0x00);
1305                         break;
1306                 case V4L2_TUNER_MODE_STEREO:
1307                 case V4L2_TUNER_MODE_LANG1:
1308                         /* mono      -> mono
1309                            stereo    -> stereo
1310                            bilingual -> lang1 */
1311                         cx25840_and_or(client, 0x809, ~0xf, 0x04);
1312                         break;
1313                 case V4L2_TUNER_MODE_LANG1_LANG2:
1314                         /* mono      -> mono
1315                            stereo    -> stereo
1316                            bilingual -> lang1/lang2 */
1317                         cx25840_and_or(client, 0x809, ~0xf, 0x07);
1318                         break;
1319                 case V4L2_TUNER_MODE_LANG2:
1320                         /* mono      -> mono
1321                            stereo    -> stereo
1322                            bilingual -> lang2 */
1323                         cx25840_and_or(client, 0x809, ~0xf, 0x01);
1324                         break;
1325                 default:
1326                         return -EINVAL;
1327                 }
1328                 state->audmode = vt->audmode;
1329                 break;
1330
1331         case VIDIOC_G_FMT:
1332                 return get_v4lfmt(client, (struct v4l2_format *)arg);
1333
1334         case VIDIOC_S_FMT:
1335                 return set_v4lfmt(client, (struct v4l2_format *)arg);
1336
1337         case VIDIOC_INT_RESET:
1338                 if (state->is_cx25836)
1339                         cx25836_initialize(client);
1340                 else if (state->is_cx23885)
1341                         cx23885_initialize(client);
1342                 else
1343                         cx25840_initialize(client);
1344                 break;
1345
1346         case VIDIOC_G_CHIP_IDENT:
1347                 return v4l2_chip_ident_i2c_client(client, arg, state->id, state->rev);
1348
1349         default:
1350                 return -EINVAL;
1351         }
1352
1353         return 0;
1354 }
1355
1356 /* ----------------------------------------------------------------------- */
1357
1358 static int cx25840_probe(struct i2c_client *client,
1359                          const struct i2c_device_id *did)
1360 {
1361         struct cx25840_state *state;
1362         u32 id;
1363         u16 device_id;
1364
1365         /* Check if the adapter supports the needed features */
1366         if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1367                 return -EIO;
1368
1369         v4l_dbg(1, cx25840_debug, client, "detecting cx25840 client on address 0x%x\n", client->addr << 1);
1370
1371         device_id = cx25840_read(client, 0x101) << 8;
1372         device_id |= cx25840_read(client, 0x100);
1373         v4l_dbg(1, cx25840_debug, client, "device_id = 0x%04x\n", device_id);
1374
1375         /* The high byte of the device ID should be
1376          * 0x83 for the cx2583x and 0x84 for the cx2584x */
1377         if ((device_id & 0xff00) == 0x8300) {
1378                 id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
1379         }
1380         else if ((device_id & 0xff00) == 0x8400) {
1381                 id = V4L2_IDENT_CX25840 + ((device_id >> 4) & 0xf);
1382         } else if (device_id == 0x0000) {
1383                 id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
1384         } else if (device_id == 0x1313) {
1385                 id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
1386         }
1387         else {
1388                 v4l_dbg(1, cx25840_debug, client, "cx25840 not found\n");
1389                 return -ENODEV;
1390         }
1391
1392         state = kzalloc(sizeof(struct cx25840_state), GFP_KERNEL);
1393         if (state == NULL) {
1394                 return -ENOMEM;
1395         }
1396
1397         /* Note: revision '(device_id & 0x0f) == 2' was never built. The
1398            marking skips from 0x1 == 22 to 0x3 == 23. */
1399         v4l_info(client, "cx25%3x-2%x found @ 0x%x (%s)\n",
1400                     (device_id & 0xfff0) >> 4,
1401                     (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : (device_id & 0x0f),
1402                     client->addr << 1, client->adapter->name);
1403
1404         i2c_set_clientdata(client, state);
1405         state->c = client;
1406         state->is_cx25836 = ((device_id & 0xff00) == 0x8300);
1407         state->is_cx23885 = (device_id == 0x0000) || (device_id == 0x1313);
1408         state->vid_input = CX25840_COMPOSITE7;
1409         state->aud_input = CX25840_AUDIO8;
1410         state->audclk_freq = 48000;
1411         state->pvr150_workaround = 0;
1412         state->audmode = V4L2_TUNER_MODE_LANG1;
1413         state->unmute_volume = -1;
1414         state->vbi_line_offset = 8;
1415         state->id = id;
1416         state->rev = device_id;
1417
1418         if (state->is_cx23885) {
1419                 /* Drive GPIO2 direction and values */
1420                 cx25840_write(client, 0x160, 0x1d);
1421                 cx25840_write(client, 0x164, 0x00);
1422         }
1423
1424         return 0;
1425 }
1426
1427 static int cx25840_remove(struct i2c_client *client)
1428 {
1429         kfree(i2c_get_clientdata(client));
1430         return 0;
1431 }
1432
1433 static const struct i2c_device_id cx25840_id[] = {
1434         { "cx25840", 0 },
1435         { }
1436 };
1437 MODULE_DEVICE_TABLE(i2c, cx25840_id);
1438
1439 static struct v4l2_i2c_driver_data v4l2_i2c_data = {
1440         .name = "cx25840",
1441         .driverid = I2C_DRIVERID_CX25840,
1442         .command = cx25840_command,
1443         .probe = cx25840_probe,
1444         .remove = cx25840_remove,
1445         .id_table = cx25840_id,
1446 };