]>
Commit | Line | Data |
---|---|---|
bd985160 HV |
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 | * | |
3e3bf277 CN |
13 | * NTSC sliced VBI support by Christopher Neufeld <television@cneufeld.ca> |
14 | * with additional fixes by Hans Verkuil <hverkuil@xs4all.nl>. | |
15 | * | |
bd985160 HV |
16 | * This program is free software; you can redistribute it and/or |
17 | * modify it under the terms of the GNU General Public License | |
18 | * as published by the Free Software Foundation; either version 2 | |
19 | * of the License, or (at your option) any later version. | |
20 | * | |
21 | * This program is distributed in the hope that it will be useful, | |
22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | * GNU General Public License for more details. | |
25 | * | |
26 | * You should have received a copy of the GNU General Public License | |
27 | * along with this program; if not, write to the Free Software | |
28 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
29 | */ | |
30 | ||
31 | ||
32 | #include <linux/kernel.h> | |
33 | #include <linux/module.h> | |
34 | #include <linux/slab.h> | |
35 | #include <linux/videodev2.h> | |
36 | #include <linux/i2c.h> | |
f61b48f7 | 37 | #include <linux/delay.h> |
bd985160 | 38 | #include <media/v4l2-common.h> |
3434eb7e | 39 | #include <media/v4l2-chip-ident.h> |
1a39275a | 40 | #include <media/v4l2-i2c-drv-legacy.h> |
31bc09b5 | 41 | #include <media/cx25840.h> |
bd985160 | 42 | |
31bc09b5 | 43 | #include "cx25840-core.h" |
bd985160 HV |
44 | |
45 | MODULE_DESCRIPTION("Conexant CX25840 audio/video decoder driver"); | |
1f4b3365 | 46 | MODULE_AUTHOR("Ulf Eklund, Chris Kennedy, Hans Verkuil, Tyler Trafford"); |
bd985160 HV |
47 | MODULE_LICENSE("GPL"); |
48 | ||
49 | static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END }; | |
50 | ||
51 | ||
839e4a4a | 52 | int cx25840_debug; |
bd985160 | 53 | |
b5fc7144 | 54 | module_param_named(debug,cx25840_debug, int, 0644); |
bd985160 | 55 | |
fac9e899 | 56 | MODULE_PARM_DESC(debug, "Debugging messages [0=Off (default) 1=On]"); |
bd985160 HV |
57 | |
58 | I2C_CLIENT_INSMOD; | |
59 | ||
60 | /* ----------------------------------------------------------------------- */ | |
61 | ||
62 | int cx25840_write(struct i2c_client *client, u16 addr, u8 value) | |
63 | { | |
64 | u8 buffer[3]; | |
65 | buffer[0] = addr >> 8; | |
66 | buffer[1] = addr & 0xff; | |
67 | buffer[2] = value; | |
68 | return i2c_master_send(client, buffer, 3); | |
69 | } | |
70 | ||
71 | int cx25840_write4(struct i2c_client *client, u16 addr, u32 value) | |
72 | { | |
73 | u8 buffer[6]; | |
74 | buffer[0] = addr >> 8; | |
75 | buffer[1] = addr & 0xff; | |
76 | buffer[2] = value >> 24; | |
77 | buffer[3] = (value >> 16) & 0xff; | |
78 | buffer[4] = (value >> 8) & 0xff; | |
79 | buffer[5] = value & 0xff; | |
80 | return i2c_master_send(client, buffer, 6); | |
81 | } | |
82 | ||
83 | u8 cx25840_read(struct i2c_client * client, u16 addr) | |
84 | { | |
85 | u8 buffer[2]; | |
86 | buffer[0] = addr >> 8; | |
87 | buffer[1] = addr & 0xff; | |
88 | ||
89 | if (i2c_master_send(client, buffer, 2) < 2) | |
90 | return 0; | |
91 | ||
92 | if (i2c_master_recv(client, buffer, 1) < 1) | |
93 | return 0; | |
94 | ||
95 | return buffer[0]; | |
96 | } | |
97 | ||
98 | u32 cx25840_read4(struct i2c_client * client, u16 addr) | |
99 | { | |
100 | u8 buffer[4]; | |
101 | buffer[0] = addr >> 8; | |
102 | buffer[1] = addr & 0xff; | |
103 | ||
104 | if (i2c_master_send(client, buffer, 2) < 2) | |
105 | return 0; | |
106 | ||
107 | if (i2c_master_recv(client, buffer, 4) < 4) | |
108 | return 0; | |
109 | ||
17531c16 HV |
110 | return (buffer[3] << 24) | (buffer[2] << 16) | |
111 | (buffer[1] << 8) | buffer[0]; | |
bd985160 HV |
112 | } |
113 | ||
e2b8cf4c | 114 | int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned and_mask, |
bd985160 HV |
115 | u8 or_value) |
116 | { | |
117 | return cx25840_write(client, addr, | |
118 | (cx25840_read(client, addr) & and_mask) | | |
119 | or_value); | |
120 | } | |
121 | ||
122 | /* ----------------------------------------------------------------------- */ | |
123 | ||
a8bbf12a HV |
124 | static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input, |
125 | enum cx25840_audio_input aud_input); | |
bd985160 HV |
126 | |
127 | /* ----------------------------------------------------------------------- */ | |
128 | ||
d92c20e0 | 129 | static void init_dll1(struct i2c_client *client) |
bd985160 HV |
130 | { |
131 | /* This is the Hauppauge sequence used to | |
132 | * initialize the Delay Lock Loop 1 (ADC DLL). */ | |
133 | cx25840_write(client, 0x159, 0x23); | |
134 | cx25840_write(client, 0x15a, 0x87); | |
135 | cx25840_write(client, 0x15b, 0x06); | |
38051450 | 136 | udelay(10); |
bd985160 | 137 | cx25840_write(client, 0x159, 0xe1); |
38051450 | 138 | udelay(10); |
bd985160 HV |
139 | cx25840_write(client, 0x15a, 0x86); |
140 | cx25840_write(client, 0x159, 0xe0); | |
141 | cx25840_write(client, 0x159, 0xe1); | |
142 | cx25840_write(client, 0x15b, 0x10); | |
143 | } | |
144 | ||
d92c20e0 | 145 | static void init_dll2(struct i2c_client *client) |
bd985160 HV |
146 | { |
147 | /* This is the Hauppauge sequence used to | |
148 | * initialize the Delay Lock Loop 2 (ADC DLL). */ | |
149 | cx25840_write(client, 0x15d, 0xe3); | |
150 | cx25840_write(client, 0x15e, 0x86); | |
151 | cx25840_write(client, 0x15f, 0x06); | |
38051450 | 152 | udelay(10); |
bd985160 HV |
153 | cx25840_write(client, 0x15d, 0xe1); |
154 | cx25840_write(client, 0x15d, 0xe0); | |
155 | cx25840_write(client, 0x15d, 0xe1); | |
156 | } | |
157 | ||
e2b8cf4c HV |
158 | static void cx25836_initialize(struct i2c_client *client) |
159 | { | |
160 | /* reset configuration is described on page 3-77 of the CX25836 datasheet */ | |
161 | /* 2. */ | |
162 | cx25840_and_or(client, 0x000, ~0x01, 0x01); | |
163 | cx25840_and_or(client, 0x000, ~0x01, 0x00); | |
164 | /* 3a. */ | |
165 | cx25840_and_or(client, 0x15a, ~0x70, 0x00); | |
166 | /* 3b. */ | |
167 | cx25840_and_or(client, 0x15b, ~0x1e, 0x06); | |
168 | /* 3c. */ | |
169 | cx25840_and_or(client, 0x159, ~0x02, 0x02); | |
170 | /* 3d. */ | |
38051450 | 171 | udelay(10); |
e2b8cf4c HV |
172 | /* 3e. */ |
173 | cx25840_and_or(client, 0x159, ~0x02, 0x00); | |
174 | /* 3f. */ | |
175 | cx25840_and_or(client, 0x159, ~0xc0, 0xc0); | |
176 | /* 3g. */ | |
177 | cx25840_and_or(client, 0x159, ~0x01, 0x00); | |
178 | cx25840_and_or(client, 0x159, ~0x01, 0x01); | |
179 | /* 3h. */ | |
180 | cx25840_and_or(client, 0x15b, ~0x1e, 0x10); | |
181 | } | |
182 | ||
21340ae0 HV |
183 | static void cx25840_work_handler(struct work_struct *work) |
184 | { | |
185 | struct cx25840_state *state = container_of(work, struct cx25840_state, fw_work); | |
186 | cx25840_loadfw(state->c); | |
187 | wake_up(&state->fw_wait); | |
188 | } | |
189 | ||
89fc4eb9 | 190 | static void cx25840_initialize(struct i2c_client *client) |
bd985160 | 191 | { |
21340ae0 | 192 | DEFINE_WAIT(wait); |
bd985160 | 193 | struct cx25840_state *state = i2c_get_clientdata(client); |
21340ae0 | 194 | struct workqueue_struct *q; |
bd985160 HV |
195 | |
196 | /* datasheet startup in numbered steps, refer to page 3-77 */ | |
197 | /* 2. */ | |
198 | cx25840_and_or(client, 0x803, ~0x10, 0x00); | |
199 | /* The default of this register should be 4, but I get 0 instead. | |
200 | * Set this register to 4 manually. */ | |
201 | cx25840_write(client, 0x000, 0x04); | |
202 | /* 3. */ | |
203 | init_dll1(client); | |
204 | init_dll2(client); | |
205 | cx25840_write(client, 0x136, 0x0a); | |
206 | /* 4. */ | |
207 | cx25840_write(client, 0x13c, 0x01); | |
208 | cx25840_write(client, 0x13c, 0x00); | |
209 | /* 5. */ | |
21340ae0 HV |
210 | /* Do the firmware load in a work handler to prevent. |
211 | Otherwise the kernel is blocked waiting for the | |
212 | bit-banging i2c interface to finish uploading the | |
213 | firmware. */ | |
214 | INIT_WORK(&state->fw_work, cx25840_work_handler); | |
215 | init_waitqueue_head(&state->fw_wait); | |
216 | q = create_singlethread_workqueue("cx25840_fw"); | |
217 | prepare_to_wait(&state->fw_wait, &wait, TASK_UNINTERRUPTIBLE); | |
218 | queue_work(q, &state->fw_work); | |
219 | schedule(); | |
220 | finish_wait(&state->fw_wait, &wait); | |
221 | destroy_workqueue(q); | |
222 | ||
bd985160 HV |
223 | /* 6. */ |
224 | cx25840_write(client, 0x115, 0x8c); | |
225 | cx25840_write(client, 0x116, 0x07); | |
226 | cx25840_write(client, 0x118, 0x02); | |
227 | /* 7. */ | |
228 | cx25840_write(client, 0x4a5, 0x80); | |
229 | cx25840_write(client, 0x4a5, 0x00); | |
230 | cx25840_write(client, 0x402, 0x00); | |
231 | /* 8. */ | |
73dcddc5 HV |
232 | cx25840_and_or(client, 0x401, ~0x18, 0); |
233 | cx25840_and_or(client, 0x4a2, ~0x10, 0x10); | |
234 | /* steps 8c and 8d are done in change_input() */ | |
bd985160 HV |
235 | /* 10. */ |
236 | cx25840_write(client, 0x8d3, 0x1f); | |
237 | cx25840_write(client, 0x8e3, 0x03); | |
238 | ||
239 | cx25840_vbi_setup(client); | |
240 | ||
241 | /* trial and error says these are needed to get audio */ | |
242 | cx25840_write(client, 0x914, 0xa0); | |
243 | cx25840_write(client, 0x918, 0xa0); | |
244 | cx25840_write(client, 0x919, 0x01); | |
245 | ||
246 | /* stereo prefered */ | |
247 | cx25840_write(client, 0x809, 0x04); | |
248 | /* AC97 shift */ | |
249 | cx25840_write(client, 0x8cf, 0x0f); | |
250 | ||
a8bbf12a HV |
251 | /* (re)set input */ |
252 | set_input(client, state->vid_input, state->aud_input); | |
bd985160 HV |
253 | |
254 | /* start microcontroller */ | |
255 | cx25840_and_or(client, 0x803, ~0x10, 0x10); | |
256 | } | |
257 | ||
258 | /* ----------------------------------------------------------------------- */ | |
259 | ||
260 | static void input_change(struct i2c_client *client) | |
261 | { | |
f95006f8 | 262 | struct cx25840_state *state = i2c_get_clientdata(client); |
bd985160 HV |
263 | v4l2_std_id std = cx25840_get_v4lstd(client); |
264 | ||
73dcddc5 HV |
265 | /* Follow step 8c and 8d of section 3.16 in the cx25840 datasheet */ |
266 | if (std & V4L2_STD_SECAM) { | |
267 | cx25840_write(client, 0x402, 0); | |
268 | } | |
269 | else { | |
270 | cx25840_write(client, 0x402, 0x04); | |
271 | cx25840_write(client, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11); | |
272 | } | |
273 | cx25840_and_or(client, 0x401, ~0x60, 0); | |
274 | cx25840_and_or(client, 0x401, ~0x60, 0x60); | |
82677618 | 275 | cx25840_and_or(client, 0x810, ~0x01, 1); |
73dcddc5 | 276 | |
39c4ad6a HV |
277 | if (state->radio) { |
278 | cx25840_write(client, 0x808, 0xf9); | |
279 | cx25840_write(client, 0x80b, 0x00); | |
280 | } | |
281 | else if (std & V4L2_STD_525_60) { | |
d97a11e0 HV |
282 | /* Certain Hauppauge PVR150 models have a hardware bug |
283 | that causes audio to drop out. For these models the | |
284 | audio standard must be set explicitly. | |
285 | To be precise: it affects cards with tuner models | |
286 | 85, 99 and 112 (model numbers from tveeprom). */ | |
287 | int hw_fix = state->pvr150_workaround; | |
288 | ||
289 | if (std == V4L2_STD_NTSC_M_JP) { | |
f95006f8 | 290 | /* Japan uses EIAJ audio standard */ |
d97a11e0 HV |
291 | cx25840_write(client, 0x808, hw_fix ? 0x2f : 0xf7); |
292 | } else if (std == V4L2_STD_NTSC_M_KR) { | |
293 | /* South Korea uses A2 audio standard */ | |
294 | cx25840_write(client, 0x808, hw_fix ? 0x3f : 0xf8); | |
f95006f8 HV |
295 | } else { |
296 | /* Others use the BTSC audio standard */ | |
d97a11e0 | 297 | cx25840_write(client, 0x808, hw_fix ? 0x1f : 0xf6); |
f95006f8 | 298 | } |
bd985160 | 299 | cx25840_write(client, 0x80b, 0x00); |
839e4a4a MCC |
300 | } else if (std & V4L2_STD_PAL) { |
301 | /* Follow tuner change procedure for PAL */ | |
302 | cx25840_write(client, 0x808, 0xff); | |
303 | cx25840_write(client, 0x80b, 0x10); | |
304 | } else if (std & V4L2_STD_SECAM) { | |
305 | /* Select autodetect for SECAM */ | |
306 | cx25840_write(client, 0x808, 0xff); | |
307 | cx25840_write(client, 0x80b, 0x10); | |
bd985160 HV |
308 | } |
309 | ||
82677618 | 310 | cx25840_and_or(client, 0x810, ~0x01, 0); |
bd985160 HV |
311 | } |
312 | ||
a8bbf12a HV |
313 | static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input, |
314 | enum cx25840_audio_input aud_input) | |
bd985160 HV |
315 | { |
316 | struct cx25840_state *state = i2c_get_clientdata(client); | |
a8bbf12a HV |
317 | u8 is_composite = (vid_input >= CX25840_COMPOSITE1 && |
318 | vid_input <= CX25840_COMPOSITE8); | |
319 | u8 reg; | |
bd985160 | 320 | |
b5fc7144 | 321 | v4l_dbg(1, cx25840_debug, client, "decoder set video input %d, audio input %d\n", |
a8bbf12a | 322 | vid_input, aud_input); |
bd985160 | 323 | |
a8bbf12a HV |
324 | if (is_composite) { |
325 | reg = 0xf0 + (vid_input - CX25840_COMPOSITE1); | |
326 | } else { | |
327 | int luma = vid_input & 0xf0; | |
328 | int chroma = vid_input & 0xf00; | |
bd985160 | 329 | |
a8bbf12a HV |
330 | if ((vid_input & ~0xff0) || |
331 | luma < CX25840_SVIDEO_LUMA1 || luma > CX25840_SVIDEO_LUMA4 || | |
332 | chroma < CX25840_SVIDEO_CHROMA4 || chroma > CX25840_SVIDEO_CHROMA8) { | |
fac9e899 | 333 | v4l_err(client, "0x%04x is not a valid video input!\n", vid_input); |
a8bbf12a | 334 | return -EINVAL; |
bd985160 | 335 | } |
a8bbf12a HV |
336 | reg = 0xf0 + ((luma - CX25840_SVIDEO_LUMA1) >> 4); |
337 | if (chroma >= CX25840_SVIDEO_CHROMA7) { | |
338 | reg &= 0x3f; | |
339 | reg |= (chroma - CX25840_SVIDEO_CHROMA7) >> 2; | |
bd985160 | 340 | } else { |
a8bbf12a HV |
341 | reg &= 0xcf; |
342 | reg |= (chroma - CX25840_SVIDEO_CHROMA4) >> 4; | |
bd985160 | 343 | } |
a8bbf12a | 344 | } |
bd985160 | 345 | |
a8bbf12a HV |
346 | switch (aud_input) { |
347 | case CX25840_AUDIO_SERIAL: | |
348 | /* do nothing, use serial audio input */ | |
bd985160 | 349 | break; |
a8bbf12a HV |
350 | case CX25840_AUDIO4: reg &= ~0x30; break; |
351 | case CX25840_AUDIO5: reg &= ~0x30; reg |= 0x10; break; | |
352 | case CX25840_AUDIO6: reg &= ~0x30; reg |= 0x20; break; | |
353 | case CX25840_AUDIO7: reg &= ~0xc0; break; | |
354 | case CX25840_AUDIO8: reg &= ~0xc0; reg |= 0x40; break; | |
bd985160 HV |
355 | |
356 | default: | |
fac9e899 | 357 | v4l_err(client, "0x%04x is not a valid audio input!\n", aud_input); |
bd985160 HV |
358 | return -EINVAL; |
359 | } | |
360 | ||
a8bbf12a HV |
361 | cx25840_write(client, 0x103, reg); |
362 | /* Set INPUT_MODE to Composite (0) or S-Video (1) */ | |
363 | cx25840_and_or(client, 0x401, ~0x6, is_composite ? 0 : 0x02); | |
364 | /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */ | |
365 | cx25840_and_or(client, 0x102, ~0x2, (reg & 0x80) == 0 ? 2 : 0); | |
366 | /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */ | |
367 | if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30) | |
368 | cx25840_and_or(client, 0x102, ~0x4, 4); | |
369 | else | |
370 | cx25840_and_or(client, 0x102, ~0x4, 0); | |
371 | ||
372 | state->vid_input = vid_input; | |
373 | state->aud_input = aud_input; | |
e2b8cf4c HV |
374 | if (!state->is_cx25836) { |
375 | cx25840_audio_set_path(client); | |
376 | input_change(client); | |
377 | } | |
bd985160 HV |
378 | return 0; |
379 | } | |
380 | ||
381 | /* ----------------------------------------------------------------------- */ | |
382 | ||
383 | static int set_v4lstd(struct i2c_client *client, v4l2_std_id std) | |
384 | { | |
468a0a54 MCC |
385 | u8 fmt=0; /* zero is autodetect */ |
386 | ||
387 | /* First tests should be against specific std */ | |
d97a11e0 | 388 | if (std == V4L2_STD_NTSC_M_JP) { |
468a0a54 | 389 | fmt=0x2; |
d97a11e0 | 390 | } else if (std == V4L2_STD_NTSC_443) { |
468a0a54 | 391 | fmt=0x3; |
d97a11e0 | 392 | } else if (std == V4L2_STD_PAL_M) { |
468a0a54 | 393 | fmt=0x5; |
d97a11e0 | 394 | } else if (std == V4L2_STD_PAL_N) { |
468a0a54 | 395 | fmt=0x6; |
d97a11e0 | 396 | } else if (std == V4L2_STD_PAL_Nc) { |
468a0a54 | 397 | fmt=0x7; |
d97a11e0 | 398 | } else if (std == V4L2_STD_PAL_60) { |
468a0a54 MCC |
399 | fmt=0x8; |
400 | } else { | |
401 | /* Then, test against generic ones */ | |
402 | if (std & V4L2_STD_NTSC) { | |
403 | fmt=0x1; | |
404 | } else if (std & V4L2_STD_PAL) { | |
405 | fmt=0x4; | |
406 | } else if (std & V4L2_STD_SECAM) { | |
407 | fmt=0xc; | |
408 | } | |
bd985160 HV |
409 | } |
410 | ||
839e4a4a MCC |
411 | v4l_dbg(1, cx25840_debug, client, "changing video std to fmt %i\n",fmt); |
412 | ||
73dcddc5 HV |
413 | /* Follow step 9 of section 3.16 in the cx25840 datasheet. |
414 | Without this PAL may display a vertical ghosting effect. | |
415 | This happens for example with the Yuan MPC622. */ | |
416 | if (fmt >= 4 && fmt < 8) { | |
417 | /* Set format to NTSC-M */ | |
418 | cx25840_and_or(client, 0x400, ~0xf, 1); | |
419 | /* Turn off LCOMB */ | |
420 | cx25840_and_or(client, 0x47b, ~6, 0); | |
421 | } | |
bd985160 HV |
422 | cx25840_and_or(client, 0x400, ~0xf, fmt); |
423 | cx25840_vbi_setup(client); | |
424 | return 0; | |
425 | } | |
426 | ||
427 | v4l2_std_id cx25840_get_v4lstd(struct i2c_client * client) | |
428 | { | |
e2b8cf4c | 429 | struct cx25840_state *state = i2c_get_clientdata(client); |
bd985160 HV |
430 | /* check VID_FMT_SEL first */ |
431 | u8 fmt = cx25840_read(client, 0x400) & 0xf; | |
432 | ||
433 | if (!fmt) { | |
434 | /* check AFD_FMT_STAT if set to autodetect */ | |
435 | fmt = cx25840_read(client, 0x40d) & 0xf; | |
436 | } | |
437 | ||
438 | switch (fmt) { | |
73dcddc5 HV |
439 | case 0x1: |
440 | { | |
441 | /* if the audio std is A2-M, then this is the South Korean | |
442 | NTSC standard */ | |
e2b8cf4c | 443 | if (!state->is_cx25836 && cx25840_read(client, 0x805) == 2) |
73dcddc5 HV |
444 | return V4L2_STD_NTSC_M_KR; |
445 | return V4L2_STD_NTSC_M; | |
446 | } | |
bd985160 HV |
447 | case 0x2: return V4L2_STD_NTSC_M_JP; |
448 | case 0x3: return V4L2_STD_NTSC_443; | |
449 | case 0x4: return V4L2_STD_PAL; | |
450 | case 0x5: return V4L2_STD_PAL_M; | |
451 | case 0x6: return V4L2_STD_PAL_N; | |
452 | case 0x7: return V4L2_STD_PAL_Nc; | |
453 | case 0x8: return V4L2_STD_PAL_60; | |
454 | case 0xc: return V4L2_STD_SECAM; | |
455 | default: return V4L2_STD_UNKNOWN; | |
456 | } | |
457 | } | |
458 | ||
459 | /* ----------------------------------------------------------------------- */ | |
460 | ||
461 | static int set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) | |
462 | { | |
463 | struct cx25840_state *state = i2c_get_clientdata(client); | |
464 | ||
465 | switch (ctrl->id) { | |
a8bbf12a HV |
466 | case CX25840_CID_ENABLE_PVR150_WORKAROUND: |
467 | state->pvr150_workaround = ctrl->value; | |
468 | set_input(client, state->vid_input, state->aud_input); | |
bd985160 HV |
469 | break; |
470 | ||
471 | case V4L2_CID_BRIGHTNESS: | |
472 | if (ctrl->value < 0 || ctrl->value > 255) { | |
fac9e899 | 473 | v4l_err(client, "invalid brightness setting %d\n", |
bd985160 HV |
474 | ctrl->value); |
475 | return -ERANGE; | |
476 | } | |
477 | ||
478 | cx25840_write(client, 0x414, ctrl->value - 128); | |
479 | break; | |
480 | ||
481 | case V4L2_CID_CONTRAST: | |
482 | if (ctrl->value < 0 || ctrl->value > 127) { | |
fac9e899 | 483 | v4l_err(client, "invalid contrast setting %d\n", |
bd985160 HV |
484 | ctrl->value); |
485 | return -ERANGE; | |
486 | } | |
487 | ||
488 | cx25840_write(client, 0x415, ctrl->value << 1); | |
489 | break; | |
490 | ||
491 | case V4L2_CID_SATURATION: | |
492 | if (ctrl->value < 0 || ctrl->value > 127) { | |
fac9e899 | 493 | v4l_err(client, "invalid saturation setting %d\n", |
bd985160 HV |
494 | ctrl->value); |
495 | return -ERANGE; | |
496 | } | |
497 | ||
498 | cx25840_write(client, 0x420, ctrl->value << 1); | |
499 | cx25840_write(client, 0x421, ctrl->value << 1); | |
500 | break; | |
501 | ||
502 | case V4L2_CID_HUE: | |
503 | if (ctrl->value < -127 || ctrl->value > 127) { | |
fac9e899 | 504 | v4l_err(client, "invalid hue setting %d\n", ctrl->value); |
bd985160 HV |
505 | return -ERANGE; |
506 | } | |
507 | ||
508 | cx25840_write(client, 0x422, ctrl->value); | |
509 | break; | |
510 | ||
511 | case V4L2_CID_AUDIO_VOLUME: | |
512 | case V4L2_CID_AUDIO_BASS: | |
513 | case V4L2_CID_AUDIO_TREBLE: | |
514 | case V4L2_CID_AUDIO_BALANCE: | |
515 | case V4L2_CID_AUDIO_MUTE: | |
e2b8cf4c HV |
516 | if (state->is_cx25836) |
517 | return -EINVAL; | |
bd985160 | 518 | return cx25840_audio(client, VIDIOC_S_CTRL, ctrl); |
3faeeae4 HV |
519 | |
520 | default: | |
521 | return -EINVAL; | |
bd985160 HV |
522 | } |
523 | ||
524 | return 0; | |
525 | } | |
526 | ||
527 | static int get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) | |
528 | { | |
529 | struct cx25840_state *state = i2c_get_clientdata(client); | |
530 | ||
531 | switch (ctrl->id) { | |
a8bbf12a HV |
532 | case CX25840_CID_ENABLE_PVR150_WORKAROUND: |
533 | ctrl->value = state->pvr150_workaround; | |
bd985160 HV |
534 | break; |
535 | case V4L2_CID_BRIGHTNESS: | |
0de71224 | 536 | ctrl->value = (s8)cx25840_read(client, 0x414) + 128; |
bd985160 HV |
537 | break; |
538 | case V4L2_CID_CONTRAST: | |
539 | ctrl->value = cx25840_read(client, 0x415) >> 1; | |
540 | break; | |
541 | case V4L2_CID_SATURATION: | |
542 | ctrl->value = cx25840_read(client, 0x420) >> 1; | |
543 | break; | |
544 | case V4L2_CID_HUE: | |
c5099a64 | 545 | ctrl->value = (s8)cx25840_read(client, 0x422); |
bd985160 HV |
546 | break; |
547 | case V4L2_CID_AUDIO_VOLUME: | |
548 | case V4L2_CID_AUDIO_BASS: | |
549 | case V4L2_CID_AUDIO_TREBLE: | |
550 | case V4L2_CID_AUDIO_BALANCE: | |
551 | case V4L2_CID_AUDIO_MUTE: | |
e2b8cf4c HV |
552 | if (state->is_cx25836) |
553 | return -EINVAL; | |
bd985160 HV |
554 | return cx25840_audio(client, VIDIOC_G_CTRL, ctrl); |
555 | default: | |
556 | return -EINVAL; | |
557 | } | |
558 | ||
559 | return 0; | |
560 | } | |
561 | ||
562 | /* ----------------------------------------------------------------------- */ | |
563 | ||
564 | static int get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt) | |
565 | { | |
566 | switch (fmt->type) { | |
567 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: | |
568 | return cx25840_vbi(client, VIDIOC_G_FMT, fmt); | |
569 | default: | |
570 | return -EINVAL; | |
571 | } | |
572 | ||
573 | return 0; | |
574 | } | |
575 | ||
576 | static int set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt) | |
577 | { | |
578 | struct v4l2_pix_format *pix; | |
579 | int HSC, VSC, Vsrc, Hsrc, filter, Vlines; | |
ba70d59b | 580 | int is_50Hz = !(cx25840_get_v4lstd(client) & V4L2_STD_525_60); |
bd985160 HV |
581 | |
582 | switch (fmt->type) { | |
583 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
584 | pix = &(fmt->fmt.pix); | |
585 | ||
586 | Vsrc = (cx25840_read(client, 0x476) & 0x3f) << 4; | |
587 | Vsrc |= (cx25840_read(client, 0x475) & 0xf0) >> 4; | |
588 | ||
589 | Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4; | |
590 | Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4; | |
591 | ||
ba70d59b | 592 | Vlines = pix->height + (is_50Hz ? 4 : 7); |
bd985160 HV |
593 | |
594 | if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) || | |
595 | (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) { | |
fac9e899 | 596 | v4l_err(client, "%dx%d is not a valid size!\n", |
bd985160 HV |
597 | pix->width, pix->height); |
598 | return -ERANGE; | |
599 | } | |
600 | ||
601 | HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20); | |
602 | VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9)); | |
603 | VSC &= 0x1fff; | |
604 | ||
605 | if (pix->width >= 385) | |
606 | filter = 0; | |
607 | else if (pix->width > 192) | |
608 | filter = 1; | |
609 | else if (pix->width > 96) | |
610 | filter = 2; | |
611 | else | |
612 | filter = 3; | |
613 | ||
b5fc7144 | 614 | v4l_dbg(1, cx25840_debug, client, "decoder set size %dx%d -> scale %ux%u\n", |
bd985160 HV |
615 | pix->width, pix->height, HSC, VSC); |
616 | ||
617 | /* HSCALE=HSC */ | |
618 | cx25840_write(client, 0x418, HSC & 0xff); | |
619 | cx25840_write(client, 0x419, (HSC >> 8) & 0xff); | |
620 | cx25840_write(client, 0x41a, HSC >> 16); | |
621 | /* VSCALE=VSC */ | |
622 | cx25840_write(client, 0x41c, VSC & 0xff); | |
623 | cx25840_write(client, 0x41d, VSC >> 8); | |
624 | /* VS_INTRLACE=1 VFILT=filter */ | |
625 | cx25840_write(client, 0x41e, 0x8 | filter); | |
626 | break; | |
627 | ||
628 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: | |
629 | return cx25840_vbi(client, VIDIOC_S_FMT, fmt); | |
630 | ||
631 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
632 | return cx25840_vbi(client, VIDIOC_S_FMT, fmt); | |
633 | ||
634 | default: | |
635 | return -EINVAL; | |
636 | } | |
637 | ||
638 | return 0; | |
639 | } | |
640 | ||
641 | /* ----------------------------------------------------------------------- */ | |
642 | ||
1a39275a HV |
643 | static void log_video_status(struct i2c_client *client) |
644 | { | |
645 | static const char *const fmt_strs[] = { | |
646 | "0x0", | |
647 | "NTSC-M", "NTSC-J", "NTSC-4.43", | |
648 | "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60", | |
649 | "0x9", "0xA", "0xB", | |
650 | "SECAM", | |
651 | "0xD", "0xE", "0xF" | |
652 | }; | |
653 | ||
654 | struct cx25840_state *state = i2c_get_clientdata(client); | |
655 | u8 vidfmt_sel = cx25840_read(client, 0x400) & 0xf; | |
656 | u8 gen_stat1 = cx25840_read(client, 0x40d); | |
657 | u8 gen_stat2 = cx25840_read(client, 0x40e); | |
658 | int vid_input = state->vid_input; | |
659 | ||
660 | v4l_info(client, "Video signal: %spresent\n", | |
661 | (gen_stat2 & 0x20) ? "" : "not "); | |
662 | v4l_info(client, "Detected format: %s\n", | |
663 | fmt_strs[gen_stat1 & 0xf]); | |
664 | ||
665 | v4l_info(client, "Specified standard: %s\n", | |
666 | vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection"); | |
667 | ||
668 | if (vid_input >= CX25840_COMPOSITE1 && | |
669 | vid_input <= CX25840_COMPOSITE8) { | |
670 | v4l_info(client, "Specified video input: Composite %d\n", | |
671 | vid_input - CX25840_COMPOSITE1 + 1); | |
672 | } else { | |
673 | v4l_info(client, "Specified video input: S-Video (Luma In%d, Chroma In%d)\n", | |
674 | (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8); | |
675 | } | |
676 | ||
677 | v4l_info(client, "Specified audioclock freq: %d Hz\n", state->audclk_freq); | |
678 | } | |
679 | ||
680 | /* ----------------------------------------------------------------------- */ | |
681 | ||
682 | static void log_audio_status(struct i2c_client *client) | |
683 | { | |
684 | struct cx25840_state *state = i2c_get_clientdata(client); | |
685 | u8 download_ctl = cx25840_read(client, 0x803); | |
686 | u8 mod_det_stat0 = cx25840_read(client, 0x804); | |
687 | u8 mod_det_stat1 = cx25840_read(client, 0x805); | |
688 | u8 audio_config = cx25840_read(client, 0x808); | |
689 | u8 pref_mode = cx25840_read(client, 0x809); | |
690 | u8 afc0 = cx25840_read(client, 0x80b); | |
691 | u8 mute_ctl = cx25840_read(client, 0x8d3); | |
692 | int aud_input = state->aud_input; | |
693 | char *p; | |
694 | ||
695 | switch (mod_det_stat0) { | |
696 | case 0x00: p = "mono"; break; | |
697 | case 0x01: p = "stereo"; break; | |
698 | case 0x02: p = "dual"; break; | |
699 | case 0x04: p = "tri"; break; | |
700 | case 0x10: p = "mono with SAP"; break; | |
701 | case 0x11: p = "stereo with SAP"; break; | |
702 | case 0x12: p = "dual with SAP"; break; | |
703 | case 0x14: p = "tri with SAP"; break; | |
704 | case 0xfe: p = "forced mode"; break; | |
705 | default: p = "not defined"; | |
706 | } | |
707 | v4l_info(client, "Detected audio mode: %s\n", p); | |
708 | ||
709 | switch (mod_det_stat1) { | |
710 | case 0x00: p = "not defined"; break; | |
711 | case 0x01: p = "EIAJ"; break; | |
712 | case 0x02: p = "A2-M"; break; | |
713 | case 0x03: p = "A2-BG"; break; | |
714 | case 0x04: p = "A2-DK1"; break; | |
715 | case 0x05: p = "A2-DK2"; break; | |
716 | case 0x06: p = "A2-DK3"; break; | |
717 | case 0x07: p = "A1 (6.0 MHz FM Mono)"; break; | |
718 | case 0x08: p = "AM-L"; break; | |
719 | case 0x09: p = "NICAM-BG"; break; | |
720 | case 0x0a: p = "NICAM-DK"; break; | |
721 | case 0x0b: p = "NICAM-I"; break; | |
722 | case 0x0c: p = "NICAM-L"; break; | |
723 | case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break; | |
724 | case 0x0e: p = "IF FM Radio"; break; | |
725 | case 0x0f: p = "BTSC"; break; | |
726 | case 0x10: p = "high-deviation FM"; break; | |
727 | case 0x11: p = "very high-deviation FM"; break; | |
728 | case 0xfd: p = "unknown audio standard"; break; | |
729 | case 0xfe: p = "forced audio standard"; break; | |
730 | case 0xff: p = "no detected audio standard"; break; | |
731 | default: p = "not defined"; | |
732 | } | |
733 | v4l_info(client, "Detected audio standard: %s\n", p); | |
734 | v4l_info(client, "Audio muted: %s\n", | |
735 | (state->unmute_volume >= 0) ? "yes" : "no"); | |
736 | v4l_info(client, "Audio microcontroller: %s\n", | |
737 | (download_ctl & 0x10) ? | |
738 | ((mute_ctl & 0x2) ? "detecting" : "running") : "stopped"); | |
739 | ||
740 | switch (audio_config >> 4) { | |
741 | case 0x00: p = "undefined"; break; | |
742 | case 0x01: p = "BTSC"; break; | |
743 | case 0x02: p = "EIAJ"; break; | |
744 | case 0x03: p = "A2-M"; break; | |
745 | case 0x04: p = "A2-BG"; break; | |
746 | case 0x05: p = "A2-DK1"; break; | |
747 | case 0x06: p = "A2-DK2"; break; | |
748 | case 0x07: p = "A2-DK3"; break; | |
749 | case 0x08: p = "A1 (6.0 MHz FM Mono)"; break; | |
750 | case 0x09: p = "AM-L"; break; | |
751 | case 0x0a: p = "NICAM-BG"; break; | |
752 | case 0x0b: p = "NICAM-DK"; break; | |
753 | case 0x0c: p = "NICAM-I"; break; | |
754 | case 0x0d: p = "NICAM-L"; break; | |
755 | case 0x0e: p = "FM radio"; break; | |
756 | case 0x0f: p = "automatic detection"; break; | |
757 | default: p = "undefined"; | |
758 | } | |
759 | v4l_info(client, "Configured audio standard: %s\n", p); | |
760 | ||
761 | if ((audio_config >> 4) < 0xF) { | |
762 | switch (audio_config & 0xF) { | |
763 | case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break; | |
764 | case 0x01: p = "MONO2 (LANGUAGE B)"; break; | |
765 | case 0x02: p = "MONO3 (STEREO forced MONO)"; break; | |
766 | case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break; | |
767 | case 0x04: p = "STEREO"; break; | |
768 | case 0x05: p = "DUAL1 (AB)"; break; | |
769 | case 0x06: p = "DUAL2 (AC) (FM)"; break; | |
770 | case 0x07: p = "DUAL3 (BC) (FM)"; break; | |
771 | case 0x08: p = "DUAL4 (AC) (AM)"; break; | |
772 | case 0x09: p = "DUAL5 (BC) (AM)"; break; | |
773 | case 0x0a: p = "SAP"; break; | |
774 | default: p = "undefined"; | |
775 | } | |
776 | v4l_info(client, "Configured audio mode: %s\n", p); | |
777 | } else { | |
778 | switch (audio_config & 0xF) { | |
779 | case 0x00: p = "BG"; break; | |
780 | case 0x01: p = "DK1"; break; | |
781 | case 0x02: p = "DK2"; break; | |
782 | case 0x03: p = "DK3"; break; | |
783 | case 0x04: p = "I"; break; | |
784 | case 0x05: p = "L"; break; | |
785 | case 0x06: p = "BTSC"; break; | |
786 | case 0x07: p = "EIAJ"; break; | |
787 | case 0x08: p = "A2-M"; break; | |
788 | case 0x09: p = "FM Radio"; break; | |
789 | case 0x0f: p = "automatic standard and mode detection"; break; | |
790 | default: p = "undefined"; | |
791 | } | |
792 | v4l_info(client, "Configured audio system: %s\n", p); | |
793 | } | |
794 | ||
795 | if (aud_input) { | |
796 | v4l_info(client, "Specified audio input: Tuner (In%d)\n", aud_input); | |
797 | } else { | |
798 | v4l_info(client, "Specified audio input: External\n"); | |
799 | } | |
800 | ||
801 | switch (pref_mode & 0xf) { | |
802 | case 0: p = "mono/language A"; break; | |
803 | case 1: p = "language B"; break; | |
804 | case 2: p = "language C"; break; | |
805 | case 3: p = "analog fallback"; break; | |
806 | case 4: p = "stereo"; break; | |
807 | case 5: p = "language AC"; break; | |
808 | case 6: p = "language BC"; break; | |
809 | case 7: p = "language AB"; break; | |
810 | default: p = "undefined"; | |
811 | } | |
812 | v4l_info(client, "Preferred audio mode: %s\n", p); | |
813 | ||
814 | if ((audio_config & 0xf) == 0xf) { | |
815 | switch ((afc0 >> 3) & 0x3) { | |
816 | case 0: p = "system DK"; break; | |
817 | case 1: p = "system L"; break; | |
818 | case 2: p = "autodetect"; break; | |
819 | default: p = "undefined"; | |
820 | } | |
821 | v4l_info(client, "Selected 65 MHz format: %s\n", p); | |
822 | ||
823 | switch (afc0 & 0x7) { | |
824 | case 0: p = "chroma"; break; | |
825 | case 1: p = "BTSC"; break; | |
826 | case 2: p = "EIAJ"; break; | |
827 | case 3: p = "A2-M"; break; | |
828 | case 4: p = "autodetect"; break; | |
829 | default: p = "undefined"; | |
830 | } | |
831 | v4l_info(client, "Selected 45 MHz format: %s\n", p); | |
832 | } | |
833 | } | |
834 | ||
835 | /* ----------------------------------------------------------------------- */ | |
836 | ||
bd985160 HV |
837 | static int cx25840_command(struct i2c_client *client, unsigned int cmd, |
838 | void *arg) | |
839 | { | |
840 | struct cx25840_state *state = i2c_get_clientdata(client); | |
841 | struct v4l2_tuner *vt = arg; | |
31bc09b5 | 842 | struct v4l2_routing *route = arg; |
bd985160 | 843 | |
c976bc82 HV |
844 | /* ignore these commands */ |
845 | switch (cmd) { | |
846 | case TUNER_SET_TYPE_ADDR: | |
847 | return 0; | |
848 | } | |
849 | ||
850 | if (!state->is_initialized) { | |
851 | v4l_dbg(1, cx25840_debug, client, "cmd %08x triggered fw load\n", cmd); | |
852 | /* initialize on first use */ | |
853 | state->is_initialized = 1; | |
854 | if (state->is_cx25836) | |
855 | cx25836_initialize(client); | |
856 | else | |
89fc4eb9 | 857 | cx25840_initialize(client); |
c976bc82 HV |
858 | } |
859 | ||
bd985160 | 860 | switch (cmd) { |
bd985160 HV |
861 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
862 | /* ioctls to allow direct access to the | |
863 | * cx25840 registers for testing */ | |
52ebc763 | 864 | case VIDIOC_DBG_G_REGISTER: |
52ebc763 | 865 | case VIDIOC_DBG_S_REGISTER: |
bd985160 HV |
866 | { |
867 | struct v4l2_register *reg = arg; | |
868 | ||
f3d092b8 | 869 | if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip)) |
bd985160 HV |
870 | return -EINVAL; |
871 | if (!capable(CAP_SYS_ADMIN)) | |
872 | return -EPERM; | |
62d50add TP |
873 | if (cmd == VIDIOC_DBG_G_REGISTER) |
874 | reg->val = cx25840_read(client, reg->reg & 0x0fff); | |
875 | else | |
876 | cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff); | |
bd985160 HV |
877 | break; |
878 | } | |
879 | #endif | |
880 | ||
881 | case VIDIOC_INT_DECODE_VBI_LINE: | |
882 | return cx25840_vbi(client, cmd, arg); | |
883 | ||
884 | case VIDIOC_INT_AUDIO_CLOCK_FREQ: | |
3faeeae4 | 885 | return cx25840_audio(client, cmd, arg); |
bd985160 HV |
886 | |
887 | case VIDIOC_STREAMON: | |
b5fc7144 | 888 | v4l_dbg(1, cx25840_debug, client, "enable output\n"); |
e2b8cf4c HV |
889 | cx25840_write(client, 0x115, state->is_cx25836 ? 0x0c : 0x8c); |
890 | cx25840_write(client, 0x116, state->is_cx25836 ? 0x04 : 0x07); | |
bd985160 HV |
891 | break; |
892 | ||
893 | case VIDIOC_STREAMOFF: | |
b5fc7144 | 894 | v4l_dbg(1, cx25840_debug, client, "disable output\n"); |
bd985160 HV |
895 | cx25840_write(client, 0x115, 0x00); |
896 | cx25840_write(client, 0x116, 0x00); | |
897 | break; | |
898 | ||
899 | case VIDIOC_LOG_STATUS: | |
e2b8cf4c HV |
900 | log_video_status(client); |
901 | if (!state->is_cx25836) | |
902 | log_audio_status(client); | |
bd985160 HV |
903 | break; |
904 | ||
905 | case VIDIOC_G_CTRL: | |
3faeeae4 | 906 | return get_v4lctrl(client, (struct v4l2_control *)arg); |
bd985160 HV |
907 | |
908 | case VIDIOC_S_CTRL: | |
3faeeae4 | 909 | return set_v4lctrl(client, (struct v4l2_control *)arg); |
bd985160 | 910 | |
d92c20e0 HV |
911 | case VIDIOC_QUERYCTRL: |
912 | { | |
913 | struct v4l2_queryctrl *qc = arg; | |
d92c20e0 | 914 | |
18318e00 HV |
915 | switch (qc->id) { |
916 | case V4L2_CID_BRIGHTNESS: | |
917 | case V4L2_CID_CONTRAST: | |
918 | case V4L2_CID_SATURATION: | |
919 | case V4L2_CID_HUE: | |
920 | return v4l2_ctrl_query_fill_std(qc); | |
921 | default: | |
922 | break; | |
923 | } | |
e2b8cf4c HV |
924 | if (state->is_cx25836) |
925 | return -EINVAL; | |
926 | ||
18318e00 HV |
927 | switch (qc->id) { |
928 | case V4L2_CID_AUDIO_VOLUME: | |
929 | case V4L2_CID_AUDIO_MUTE: | |
930 | case V4L2_CID_AUDIO_BALANCE: | |
931 | case V4L2_CID_AUDIO_BASS: | |
932 | case V4L2_CID_AUDIO_TREBLE: | |
933 | return v4l2_ctrl_query_fill_std(qc); | |
934 | default: | |
935 | return -EINVAL; | |
936 | } | |
d92c20e0 HV |
937 | return -EINVAL; |
938 | } | |
939 | ||
bd985160 HV |
940 | case VIDIOC_G_STD: |
941 | *(v4l2_std_id *)arg = cx25840_get_v4lstd(client); | |
942 | break; | |
943 | ||
944 | case VIDIOC_S_STD: | |
3faeeae4 HV |
945 | state->radio = 0; |
946 | return set_v4lstd(client, *(v4l2_std_id *)arg); | |
947 | ||
948 | case AUDC_SET_RADIO: | |
949 | state->radio = 1; | |
bd985160 HV |
950 | break; |
951 | ||
31bc09b5 HV |
952 | case VIDIOC_INT_G_VIDEO_ROUTING: |
953 | route->input = state->vid_input; | |
954 | route->output = 0; | |
bd985160 HV |
955 | break; |
956 | ||
31bc09b5 HV |
957 | case VIDIOC_INT_S_VIDEO_ROUTING: |
958 | return set_input(client, route->input, state->aud_input); | |
bd985160 | 959 | |
31bc09b5 | 960 | case VIDIOC_INT_G_AUDIO_ROUTING: |
e2b8cf4c HV |
961 | if (state->is_cx25836) |
962 | return -EINVAL; | |
31bc09b5 HV |
963 | route->input = state->aud_input; |
964 | route->output = 0; | |
965 | break; | |
a8bbf12a | 966 | |
31bc09b5 | 967 | case VIDIOC_INT_S_AUDIO_ROUTING: |
e2b8cf4c HV |
968 | if (state->is_cx25836) |
969 | return -EINVAL; | |
31bc09b5 | 970 | return set_input(client, state->vid_input, route->input); |
a8bbf12a | 971 | |
bd985160 | 972 | case VIDIOC_S_FREQUENCY: |
e2b8cf4c HV |
973 | if (!state->is_cx25836) { |
974 | input_change(client); | |
975 | } | |
bd985160 HV |
976 | break; |
977 | ||
978 | case VIDIOC_G_TUNER: | |
979 | { | |
e2b8cf4c HV |
980 | u8 vpres = cx25840_read(client, 0x40e) & 0x20; |
981 | u8 mode; | |
bd985160 HV |
982 | int val = 0; |
983 | ||
3faeeae4 HV |
984 | if (state->radio) |
985 | break; | |
986 | ||
e2b8cf4c HV |
987 | vt->signal = vpres ? 0xffff : 0x0; |
988 | if (state->is_cx25836) | |
989 | break; | |
990 | ||
bd985160 HV |
991 | vt->capability |= |
992 | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | | |
993 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; | |
994 | ||
e2b8cf4c | 995 | mode = cx25840_read(client, 0x804); |
bd985160 HV |
996 | |
997 | /* get rxsubchans and audmode */ | |
998 | if ((mode & 0xf) == 1) | |
999 | val |= V4L2_TUNER_SUB_STEREO; | |
1000 | else | |
1001 | val |= V4L2_TUNER_SUB_MONO; | |
1002 | ||
1003 | if (mode == 2 || mode == 4) | |
8a4b275f | 1004 | val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
bd985160 HV |
1005 | |
1006 | if (mode & 0x10) | |
1007 | val |= V4L2_TUNER_SUB_SAP; | |
1008 | ||
1009 | vt->rxsubchans = val; | |
8a4b275f | 1010 | vt->audmode = state->audmode; |
bd985160 HV |
1011 | break; |
1012 | } | |
1013 | ||
1014 | case VIDIOC_S_TUNER: | |
e2b8cf4c | 1015 | if (state->radio || state->is_cx25836) |
8a4b275f HV |
1016 | break; |
1017 | ||
bd985160 HV |
1018 | switch (vt->audmode) { |
1019 | case V4L2_TUNER_MODE_MONO: | |
8a4b275f HV |
1020 | /* mono -> mono |
1021 | stereo -> mono | |
1022 | bilingual -> lang1 */ | |
bd985160 HV |
1023 | cx25840_and_or(client, 0x809, ~0xf, 0x00); |
1024 | break; | |
301e22d6 | 1025 | case V4L2_TUNER_MODE_STEREO: |
8a4b275f HV |
1026 | case V4L2_TUNER_MODE_LANG1: |
1027 | /* mono -> mono | |
1028 | stereo -> stereo | |
1029 | bilingual -> lang1 */ | |
bd985160 HV |
1030 | cx25840_and_or(client, 0x809, ~0xf, 0x04); |
1031 | break; | |
301e22d6 | 1032 | case V4L2_TUNER_MODE_LANG1_LANG2: |
8a4b275f HV |
1033 | /* mono -> mono |
1034 | stereo -> stereo | |
1035 | bilingual -> lang1/lang2 */ | |
1036 | cx25840_and_or(client, 0x809, ~0xf, 0x07); | |
1037 | break; | |
bd985160 | 1038 | case V4L2_TUNER_MODE_LANG2: |
8a4b275f | 1039 | /* mono -> mono |
301e22d6 | 1040 | stereo -> stereo |
8a4b275f | 1041 | bilingual -> lang2 */ |
bd985160 HV |
1042 | cx25840_and_or(client, 0x809, ~0xf, 0x01); |
1043 | break; | |
8a4b275f HV |
1044 | default: |
1045 | return -EINVAL; | |
bd985160 | 1046 | } |
8a4b275f | 1047 | state->audmode = vt->audmode; |
bd985160 HV |
1048 | break; |
1049 | ||
1050 | case VIDIOC_G_FMT: | |
3faeeae4 | 1051 | return get_v4lfmt(client, (struct v4l2_format *)arg); |
bd985160 HV |
1052 | |
1053 | case VIDIOC_S_FMT: | |
3faeeae4 | 1054 | return set_v4lfmt(client, (struct v4l2_format *)arg); |
bd985160 HV |
1055 | |
1056 | case VIDIOC_INT_RESET: | |
e2b8cf4c HV |
1057 | if (state->is_cx25836) |
1058 | cx25836_initialize(client); | |
1059 | else | |
89fc4eb9 | 1060 | cx25840_initialize(client); |
bd985160 HV |
1061 | break; |
1062 | ||
3434eb7e HV |
1063 | case VIDIOC_G_CHIP_IDENT: |
1064 | return v4l2_chip_ident_i2c_client(client, arg, state->id, state->rev); | |
bd985160 HV |
1065 | |
1066 | default: | |
bd985160 HV |
1067 | return -EINVAL; |
1068 | } | |
1069 | ||
3faeeae4 | 1070 | return 0; |
bd985160 HV |
1071 | } |
1072 | ||
1073 | /* ----------------------------------------------------------------------- */ | |
1074 | ||
1a39275a | 1075 | static int cx25840_probe(struct i2c_client *client) |
bd985160 | 1076 | { |
bd985160 | 1077 | struct cx25840_state *state; |
3434eb7e | 1078 | u32 id; |
bd985160 HV |
1079 | u16 device_id; |
1080 | ||
21340ae0 | 1081 | v4l_dbg(1, cx25840_debug, client, "detecting cx25840 client on address 0x%x\n", client->addr << 1); |
bd985160 HV |
1082 | |
1083 | device_id = cx25840_read(client, 0x101) << 8; | |
1084 | device_id |= cx25840_read(client, 0x100); | |
1085 | ||
1086 | /* The high byte of the device ID should be | |
e2b8cf4c HV |
1087 | * 0x83 for the cx2583x and 0x84 for the cx2584x */ |
1088 | if ((device_id & 0xff00) == 0x8300) { | |
1089 | id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6; | |
e2b8cf4c HV |
1090 | } |
1091 | else if ((device_id & 0xff00) == 0x8400) { | |
1092 | id = V4L2_IDENT_CX25840 + ((device_id >> 4) & 0xf); | |
e2b8cf4c HV |
1093 | } |
1094 | else { | |
b5fc7144 | 1095 | v4l_dbg(1, cx25840_debug, client, "cx25840 not found\n"); |
bd985160 HV |
1096 | return 0; |
1097 | } | |
1098 | ||
21340ae0 HV |
1099 | state = kzalloc(sizeof(struct cx25840_state), GFP_KERNEL); |
1100 | if (state == NULL) { | |
21340ae0 HV |
1101 | return -ENOMEM; |
1102 | } | |
1103 | ||
b7a01e72 HV |
1104 | /* Note: revision '(device_id & 0x0f) == 2' was never built. The |
1105 | marking skips from 0x1 == 22 to 0x3 == 23. */ | |
fac9e899 | 1106 | v4l_info(client, "cx25%3x-2%x found @ 0x%x (%s)\n", |
bd985160 | 1107 | (device_id & 0xfff0) >> 4, |
b7a01e72 | 1108 | (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : (device_id & 0x0f), |
21340ae0 | 1109 | client->addr << 1, client->adapter->name); |
bd985160 | 1110 | |
bd985160 | 1111 | i2c_set_clientdata(client, state); |
21340ae0 HV |
1112 | state->c = client; |
1113 | state->is_cx25836 = ((device_id & 0xff00) == 0x8300); | |
a8bbf12a HV |
1114 | state->vid_input = CX25840_COMPOSITE7; |
1115 | state->aud_input = CX25840_AUDIO8; | |
3578d3dd | 1116 | state->audclk_freq = 48000; |
a8bbf12a | 1117 | state->pvr150_workaround = 0; |
8a4b275f | 1118 | state->audmode = V4L2_TUNER_MODE_LANG1; |
87410dab | 1119 | state->unmute_volume = -1; |
3e3bf277 | 1120 | state->vbi_line_offset = 8; |
e2b8cf4c | 1121 | state->id = id; |
3434eb7e | 1122 | state->rev = device_id; |
bd985160 HV |
1123 | return 0; |
1124 | } | |
1125 | ||
1a39275a | 1126 | static int cx25840_remove(struct i2c_client *client) |
bd985160 | 1127 | { |
1a39275a | 1128 | kfree(i2c_get_clientdata(client)); |
bd985160 HV |
1129 | return 0; |
1130 | } | |
1131 | ||
1a39275a HV |
1132 | static struct v4l2_i2c_driver_data v4l2_i2c_data = { |
1133 | .name = "cx25840", | |
1134 | .driverid = I2C_DRIVERID_CX25840, | |
bd985160 | 1135 | .command = cx25840_command, |
1a39275a HV |
1136 | .probe = cx25840_probe, |
1137 | .remove = cx25840_remove, | |
bd985160 | 1138 | }; |