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1da177e4 LT |
1 | /* |
2 | * saa7110 - Philips SAA7110(A) video decoder driver | |
3 | * | |
4 | * Copyright (C) 1998 Pauline Middelink <middelin@polyware.nl> | |
5 | * | |
6 | * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net> | |
7 | * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> | |
8 | * - some corrections for Pinnacle Systems Inc. DC10plus card. | |
9 | * | |
10 | * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net> | |
11 | * - moved over to linux>=2.4.x i2c protocol (1/1/2003) | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
26 | */ | |
27 | ||
28 | #include <linux/module.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/types.h> | |
31 | #include <linux/delay.h> | |
32 | #include <linux/slab.h> | |
33 | #include <linux/wait.h> | |
34 | #include <asm/io.h> | |
35 | #include <asm/uaccess.h> | |
36 | ||
37 | MODULE_DESCRIPTION("Philips SAA7110 video decoder driver"); | |
38 | MODULE_AUTHOR("Pauline Middelink"); | |
39 | MODULE_LICENSE("GPL"); | |
40 | ||
41 | #include <linux/i2c.h> | |
42 | #include <linux/i2c-dev.h> | |
43 | ||
44 | #define I2C_NAME(s) (s)->name | |
45 | ||
46 | #include <linux/videodev.h> | |
47 | #include <linux/video_decoder.h> | |
48 | ||
49 | static int debug = 0; | |
50 | module_param(debug, int, 0); | |
51 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | |
52 | ||
53 | #define dprintk(num, format, args...) \ | |
54 | do { \ | |
55 | if (debug >= num) \ | |
56 | printk(format, ##args); \ | |
57 | } while (0) | |
58 | ||
59 | #define SAA7110_MAX_INPUT 9 /* 6 CVBS, 3 SVHS */ | |
60 | #define SAA7110_MAX_OUTPUT 0 /* its a decoder only */ | |
61 | ||
62 | #define I2C_SAA7110 0x9C /* or 0x9E */ | |
63 | ||
64 | #define SAA7110_NR_REG 0x35 | |
65 | ||
66 | struct saa7110 { | |
67 | u8 reg[SAA7110_NR_REG]; | |
68 | ||
69 | int norm; | |
70 | int input; | |
71 | int enable; | |
72 | int bright; | |
73 | int contrast; | |
74 | int hue; | |
75 | int sat; | |
76 | ||
77 | wait_queue_head_t wq; | |
78 | }; | |
79 | ||
80 | /* ----------------------------------------------------------------------- */ | |
81 | /* I2C support functions */ | |
82 | /* ----------------------------------------------------------------------- */ | |
83 | ||
84 | static int | |
85 | saa7110_write (struct i2c_client *client, | |
86 | u8 reg, | |
87 | u8 value) | |
88 | { | |
89 | struct saa7110 *decoder = i2c_get_clientdata(client); | |
90 | ||
91 | decoder->reg[reg] = value; | |
92 | return i2c_smbus_write_byte_data(client, reg, value); | |
93 | } | |
94 | ||
95 | static int | |
96 | saa7110_write_block (struct i2c_client *client, | |
97 | const u8 *data, | |
98 | unsigned int len) | |
99 | { | |
100 | int ret = -1; | |
101 | u8 reg = *data; /* first register to write to */ | |
102 | ||
103 | /* Sanity check */ | |
104 | if (reg + (len - 1) > SAA7110_NR_REG) | |
105 | return ret; | |
106 | ||
107 | /* the saa7110 has an autoincrement function, use it if | |
108 | * the adapter understands raw I2C */ | |
109 | if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { | |
110 | struct saa7110 *decoder = i2c_get_clientdata(client); | |
111 | struct i2c_msg msg; | |
112 | ||
113 | msg.len = len; | |
114 | msg.buf = (char *) data; | |
115 | msg.addr = client->addr; | |
116 | msg.flags = 0; | |
117 | ret = i2c_transfer(client->adapter, &msg, 1); | |
118 | ||
119 | /* Cache the written data */ | |
120 | memcpy(decoder->reg + reg, data + 1, len - 1); | |
121 | } else { | |
122 | for (++data, --len; len; len--) { | |
123 | if ((ret = saa7110_write(client, reg++, | |
124 | *data++)) < 0) | |
125 | break; | |
126 | } | |
127 | } | |
128 | ||
129 | return ret; | |
130 | } | |
131 | ||
132 | static inline int | |
133 | saa7110_read (struct i2c_client *client) | |
134 | { | |
135 | return i2c_smbus_read_byte(client); | |
136 | } | |
137 | ||
138 | /* ----------------------------------------------------------------------- */ | |
139 | /* SAA7110 functions */ | |
140 | /* ----------------------------------------------------------------------- */ | |
141 | ||
142 | #define FRESP_06H_COMPST 0x03 //0x13 | |
143 | #define FRESP_06H_SVIDEO 0x83 //0xC0 | |
144 | ||
145 | ||
146 | static int | |
147 | saa7110_selmux (struct i2c_client *client, | |
148 | int chan) | |
149 | { | |
150 | static const unsigned char modes[9][8] = { | |
151 | /* mode 0 */ | |
152 | {FRESP_06H_COMPST, 0xD9, 0x17, 0x40, 0x03, | |
153 | 0x44, 0x75, 0x16}, | |
154 | /* mode 1 */ | |
155 | {FRESP_06H_COMPST, 0xD8, 0x17, 0x40, 0x03, | |
156 | 0x44, 0x75, 0x16}, | |
157 | /* mode 2 */ | |
158 | {FRESP_06H_COMPST, 0xBA, 0x07, 0x91, 0x03, | |
159 | 0x60, 0xB5, 0x05}, | |
160 | /* mode 3 */ | |
161 | {FRESP_06H_COMPST, 0xB8, 0x07, 0x91, 0x03, | |
162 | 0x60, 0xB5, 0x05}, | |
163 | /* mode 4 */ | |
164 | {FRESP_06H_COMPST, 0x7C, 0x07, 0xD2, 0x83, | |
165 | 0x60, 0xB5, 0x03}, | |
166 | /* mode 5 */ | |
167 | {FRESP_06H_COMPST, 0x78, 0x07, 0xD2, 0x83, | |
168 | 0x60, 0xB5, 0x03}, | |
169 | /* mode 6 */ | |
170 | {FRESP_06H_SVIDEO, 0x59, 0x17, 0x42, 0xA3, | |
171 | 0x44, 0x75, 0x12}, | |
172 | /* mode 7 */ | |
173 | {FRESP_06H_SVIDEO, 0x9A, 0x17, 0xB1, 0x13, | |
174 | 0x60, 0xB5, 0x14}, | |
175 | /* mode 8 */ | |
176 | {FRESP_06H_SVIDEO, 0x3C, 0x27, 0xC1, 0x23, | |
177 | 0x44, 0x75, 0x21} | |
178 | }; | |
179 | struct saa7110 *decoder = i2c_get_clientdata(client); | |
180 | const unsigned char *ptr = modes[chan]; | |
181 | ||
182 | saa7110_write(client, 0x06, ptr[0]); /* Luminance control */ | |
183 | saa7110_write(client, 0x20, ptr[1]); /* Analog Control #1 */ | |
184 | saa7110_write(client, 0x21, ptr[2]); /* Analog Control #2 */ | |
185 | saa7110_write(client, 0x22, ptr[3]); /* Mixer Control #1 */ | |
186 | saa7110_write(client, 0x2C, ptr[4]); /* Mixer Control #2 */ | |
187 | saa7110_write(client, 0x30, ptr[5]); /* ADCs gain control */ | |
188 | saa7110_write(client, 0x31, ptr[6]); /* Mixer Control #3 */ | |
189 | saa7110_write(client, 0x21, ptr[7]); /* Analog Control #2 */ | |
190 | decoder->input = chan; | |
191 | ||
192 | return 0; | |
193 | } | |
194 | ||
195 | static const unsigned char initseq[1 + SAA7110_NR_REG] = { | |
196 | 0, 0x4C, 0x3C, 0x0D, 0xEF, 0xBD, 0xF2, 0x03, 0x00, | |
197 | /* 0x08 */ 0xF8, 0xF8, 0x60, 0x60, 0x00, 0x86, 0x18, 0x90, | |
198 | /* 0x10 */ 0x00, 0x59, 0x40, 0x46, 0x42, 0x1A, 0xFF, 0xDA, | |
199 | /* 0x18 */ 0xF2, 0x8B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
200 | /* 0x20 */ 0xD9, 0x16, 0x40, 0x41, 0x80, 0x41, 0x80, 0x4F, | |
201 | /* 0x28 */ 0xFE, 0x01, 0xCF, 0x0F, 0x03, 0x01, 0x03, 0x0C, | |
202 | /* 0x30 */ 0x44, 0x71, 0x02, 0x8C, 0x02 | |
203 | }; | |
204 | ||
205 | static int | |
206 | determine_norm (struct i2c_client *client) | |
207 | { | |
208 | DEFINE_WAIT(wait); | |
209 | struct saa7110 *decoder = i2c_get_clientdata(client); | |
210 | int status; | |
211 | ||
212 | /* mode changed, start automatic detection */ | |
213 | saa7110_write_block(client, initseq, sizeof(initseq)); | |
214 | saa7110_selmux(client, decoder->input); | |
215 | prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE); | |
216 | schedule_timeout(HZ/4); | |
217 | finish_wait(&decoder->wq, &wait); | |
218 | status = saa7110_read(client); | |
219 | if (status & 0x40) { | |
220 | dprintk(1, KERN_INFO "%s: status=0x%02x (no signal)\n", | |
221 | I2C_NAME(client), status); | |
222 | return decoder->norm; // no change | |
223 | } | |
224 | if ((status & 3) == 0) { | |
225 | saa7110_write(client, 0x06, 0x83); | |
226 | if (status & 0x20) { | |
227 | dprintk(1, | |
228 | KERN_INFO | |
229 | "%s: status=0x%02x (NTSC/no color)\n", | |
230 | I2C_NAME(client), status); | |
231 | //saa7110_write(client,0x2E,0x81); | |
232 | return VIDEO_MODE_NTSC; | |
233 | } | |
234 | dprintk(1, KERN_INFO "%s: status=0x%02x (PAL/no color)\n", | |
235 | I2C_NAME(client), status); | |
236 | //saa7110_write(client,0x2E,0x9A); | |
237 | return VIDEO_MODE_PAL; | |
238 | } | |
239 | //saa7110_write(client,0x06,0x03); | |
240 | if (status & 0x20) { /* 60Hz */ | |
241 | dprintk(1, KERN_INFO "%s: status=0x%02x (NTSC)\n", | |
242 | I2C_NAME(client), status); | |
243 | saa7110_write(client, 0x0D, 0x86); | |
244 | saa7110_write(client, 0x0F, 0x50); | |
245 | saa7110_write(client, 0x11, 0x2C); | |
246 | //saa7110_write(client,0x2E,0x81); | |
247 | return VIDEO_MODE_NTSC; | |
248 | } | |
249 | ||
250 | /* 50Hz -> PAL/SECAM */ | |
251 | saa7110_write(client, 0x0D, 0x86); | |
252 | saa7110_write(client, 0x0F, 0x10); | |
253 | saa7110_write(client, 0x11, 0x59); | |
254 | //saa7110_write(client,0x2E,0x9A); | |
255 | ||
256 | prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE); | |
257 | schedule_timeout(HZ/4); | |
258 | finish_wait(&decoder->wq, &wait); | |
259 | ||
260 | status = saa7110_read(client); | |
261 | if ((status & 0x03) == 0x01) { | |
262 | dprintk(1, KERN_INFO "%s: status=0x%02x (SECAM)\n", | |
263 | I2C_NAME(client), status); | |
264 | saa7110_write(client, 0x0D, 0x87); | |
265 | return VIDEO_MODE_SECAM; | |
266 | } | |
267 | dprintk(1, KERN_INFO "%s: status=0x%02x (PAL)\n", I2C_NAME(client), | |
268 | status); | |
269 | return VIDEO_MODE_PAL; | |
270 | } | |
271 | ||
272 | static int | |
273 | saa7110_command (struct i2c_client *client, | |
274 | unsigned int cmd, | |
275 | void *arg) | |
276 | { | |
277 | struct saa7110 *decoder = i2c_get_clientdata(client); | |
278 | int v; | |
279 | ||
280 | switch (cmd) { | |
281 | case 0: | |
282 | //saa7110_write_block(client, initseq, sizeof(initseq)); | |
283 | break; | |
284 | ||
285 | case DECODER_GET_CAPABILITIES: | |
286 | { | |
287 | struct video_decoder_capability *dc = arg; | |
288 | ||
289 | dc->flags = | |
290 | VIDEO_DECODER_PAL | VIDEO_DECODER_NTSC | | |
291 | VIDEO_DECODER_SECAM | VIDEO_DECODER_AUTO; | |
292 | dc->inputs = SAA7110_MAX_INPUT; | |
293 | dc->outputs = SAA7110_MAX_OUTPUT; | |
294 | } | |
295 | break; | |
296 | ||
297 | case DECODER_GET_STATUS: | |
298 | { | |
299 | int status; | |
300 | int res = 0; | |
301 | ||
302 | status = saa7110_read(client); | |
303 | dprintk(1, KERN_INFO "%s: status=0x%02x norm=%d\n", | |
304 | I2C_NAME(client), status, decoder->norm); | |
305 | if (!(status & 0x40)) | |
306 | res |= DECODER_STATUS_GOOD; | |
307 | if (status & 0x03) | |
308 | res |= DECODER_STATUS_COLOR; | |
309 | ||
310 | switch (decoder->norm) { | |
311 | case VIDEO_MODE_NTSC: | |
312 | res |= DECODER_STATUS_NTSC; | |
313 | break; | |
314 | case VIDEO_MODE_PAL: | |
315 | res |= DECODER_STATUS_PAL; | |
316 | break; | |
317 | case VIDEO_MODE_SECAM: | |
318 | res |= DECODER_STATUS_SECAM; | |
319 | break; | |
320 | } | |
321 | *(int *) arg = res; | |
322 | } | |
323 | break; | |
324 | ||
325 | case DECODER_SET_NORM: | |
326 | v = *(int *) arg; | |
327 | if (decoder->norm != v) { | |
328 | decoder->norm = v; | |
329 | //saa7110_write(client, 0x06, 0x03); | |
330 | switch (v) { | |
331 | case VIDEO_MODE_NTSC: | |
332 | saa7110_write(client, 0x0D, 0x86); | |
333 | saa7110_write(client, 0x0F, 0x50); | |
334 | saa7110_write(client, 0x11, 0x2C); | |
335 | //saa7110_write(client, 0x2E, 0x81); | |
336 | dprintk(1, | |
337 | KERN_INFO "%s: switched to NTSC\n", | |
338 | I2C_NAME(client)); | |
339 | break; | |
340 | case VIDEO_MODE_PAL: | |
341 | saa7110_write(client, 0x0D, 0x86); | |
342 | saa7110_write(client, 0x0F, 0x10); | |
343 | saa7110_write(client, 0x11, 0x59); | |
344 | //saa7110_write(client, 0x2E, 0x9A); | |
345 | dprintk(1, | |
346 | KERN_INFO "%s: switched to PAL\n", | |
347 | I2C_NAME(client)); | |
348 | break; | |
349 | case VIDEO_MODE_SECAM: | |
350 | saa7110_write(client, 0x0D, 0x87); | |
351 | saa7110_write(client, 0x0F, 0x10); | |
352 | saa7110_write(client, 0x11, 0x59); | |
353 | //saa7110_write(client, 0x2E, 0x9A); | |
354 | dprintk(1, | |
355 | KERN_INFO | |
356 | "%s: switched to SECAM\n", | |
357 | I2C_NAME(client)); | |
358 | break; | |
359 | case VIDEO_MODE_AUTO: | |
360 | dprintk(1, | |
361 | KERN_INFO | |
362 | "%s: TV standard detection...\n", | |
363 | I2C_NAME(client)); | |
364 | decoder->norm = determine_norm(client); | |
365 | *(int *) arg = decoder->norm; | |
366 | break; | |
367 | default: | |
368 | return -EPERM; | |
369 | } | |
370 | } | |
371 | break; | |
372 | ||
373 | case DECODER_SET_INPUT: | |
374 | v = *(int *) arg; | |
375 | if (v < 0 || v > SAA7110_MAX_INPUT) { | |
376 | dprintk(1, | |
377 | KERN_INFO "%s: input=%d not available\n", | |
378 | I2C_NAME(client), v); | |
379 | return -EINVAL; | |
380 | } | |
381 | if (decoder->input != v) { | |
382 | saa7110_selmux(client, v); | |
383 | dprintk(1, KERN_INFO "%s: switched to input=%d\n", | |
384 | I2C_NAME(client), v); | |
385 | } | |
386 | break; | |
387 | ||
388 | case DECODER_SET_OUTPUT: | |
389 | v = *(int *) arg; | |
390 | /* not much choice of outputs */ | |
391 | if (v != 0) | |
392 | return -EINVAL; | |
393 | break; | |
394 | ||
395 | case DECODER_ENABLE_OUTPUT: | |
396 | v = *(int *) arg; | |
397 | if (decoder->enable != v) { | |
398 | decoder->enable = v; | |
399 | saa7110_write(client, 0x0E, v ? 0x18 : 0x80); | |
400 | dprintk(1, KERN_INFO "%s: YUV %s\n", I2C_NAME(client), | |
401 | v ? "on" : "off"); | |
402 | } | |
403 | break; | |
404 | ||
405 | case DECODER_SET_PICTURE: | |
406 | { | |
407 | struct video_picture *pic = arg; | |
408 | ||
409 | if (decoder->bright != pic->brightness) { | |
410 | /* We want 0 to 255 we get 0-65535 */ | |
411 | decoder->bright = pic->brightness; | |
412 | saa7110_write(client, 0x19, decoder->bright >> 8); | |
413 | } | |
414 | if (decoder->contrast != pic->contrast) { | |
415 | /* We want 0 to 127 we get 0-65535 */ | |
416 | decoder->contrast = pic->contrast; | |
417 | saa7110_write(client, 0x13, | |
418 | decoder->contrast >> 9); | |
419 | } | |
420 | if (decoder->sat != pic->colour) { | |
421 | /* We want 0 to 127 we get 0-65535 */ | |
422 | decoder->sat = pic->colour; | |
423 | saa7110_write(client, 0x12, decoder->sat >> 9); | |
424 | } | |
425 | if (decoder->hue != pic->hue) { | |
426 | /* We want -128 to 127 we get 0-65535 */ | |
427 | decoder->hue = pic->hue; | |
428 | saa7110_write(client, 0x07, | |
429 | (decoder->hue >> 8) - 128); | |
430 | } | |
431 | } | |
432 | break; | |
433 | ||
434 | case DECODER_DUMP: | |
435 | for (v = 0; v < 0x34; v += 16) { | |
436 | int j; | |
437 | dprintk(1, KERN_INFO "%s: %03x\n", I2C_NAME(client), | |
438 | v); | |
439 | for (j = 0; j < 16; j++) { | |
440 | dprintk(1, KERN_INFO " %02x", | |
441 | decoder->reg[v + j]); | |
442 | } | |
443 | dprintk(1, KERN_INFO "\n"); | |
444 | } | |
445 | break; | |
446 | ||
447 | default: | |
448 | dprintk(1, KERN_INFO "unknown saa7110_command??(%d)\n", | |
449 | cmd); | |
450 | return -EINVAL; | |
451 | } | |
452 | return 0; | |
453 | } | |
454 | ||
455 | /* ----------------------------------------------------------------------- */ | |
456 | ||
457 | /* | |
458 | * Generic i2c probe | |
459 | * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' | |
460 | */ | |
461 | static unsigned short normal_i2c[] = { | |
462 | I2C_SAA7110 >> 1, | |
463 | (I2C_SAA7110 >> 1) + 1, | |
464 | I2C_CLIENT_END | |
465 | }; | |
466 | static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; | |
467 | ||
468 | static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; | |
469 | static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; | |
470 | static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; | |
471 | static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; | |
472 | static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; | |
473 | ||
474 | static struct i2c_client_address_data addr_data = { | |
475 | .normal_i2c = normal_i2c, | |
476 | .normal_i2c_range = normal_i2c_range, | |
477 | .probe = probe, | |
478 | .probe_range = probe_range, | |
479 | .ignore = ignore, | |
480 | .ignore_range = ignore_range, | |
481 | .force = force | |
482 | }; | |
483 | ||
484 | static struct i2c_driver i2c_driver_saa7110; | |
485 | ||
486 | static int | |
487 | saa7110_detect_client (struct i2c_adapter *adapter, | |
488 | int address, | |
489 | int kind) | |
490 | { | |
491 | struct i2c_client *client; | |
492 | struct saa7110 *decoder; | |
493 | int rv; | |
494 | ||
495 | dprintk(1, | |
496 | KERN_INFO | |
497 | "saa7110.c: detecting saa7110 client on address 0x%x\n", | |
498 | address << 1); | |
499 | ||
500 | /* Check if the adapter supports the needed features */ | |
501 | if (!i2c_check_functionality | |
502 | (adapter, | |
503 | I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) | |
504 | return 0; | |
505 | ||
506 | client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); | |
507 | if (client == 0) | |
508 | return -ENOMEM; | |
509 | memset(client, 0, sizeof(struct i2c_client)); | |
510 | client->addr = address; | |
511 | client->adapter = adapter; | |
512 | client->driver = &i2c_driver_saa7110; | |
513 | client->flags = I2C_CLIENT_ALLOW_USE; | |
514 | strlcpy(I2C_NAME(client), "saa7110", sizeof(I2C_NAME(client))); | |
515 | ||
516 | decoder = kmalloc(sizeof(struct saa7110), GFP_KERNEL); | |
517 | if (decoder == 0) { | |
518 | kfree(client); | |
519 | return -ENOMEM; | |
520 | } | |
521 | memset(decoder, 0, sizeof(struct saa7110)); | |
522 | decoder->norm = VIDEO_MODE_PAL; | |
523 | decoder->input = 0; | |
524 | decoder->enable = 1; | |
525 | decoder->bright = 32768; | |
526 | decoder->contrast = 32768; | |
527 | decoder->hue = 32768; | |
528 | decoder->sat = 32768; | |
529 | init_waitqueue_head(&decoder->wq); | |
530 | i2c_set_clientdata(client, decoder); | |
531 | ||
532 | rv = i2c_attach_client(client); | |
533 | if (rv) { | |
534 | kfree(client); | |
535 | kfree(decoder); | |
536 | return rv; | |
537 | } | |
538 | ||
539 | rv = saa7110_write_block(client, initseq, sizeof(initseq)); | |
540 | if (rv < 0) | |
541 | dprintk(1, KERN_ERR "%s_attach: init status %d\n", | |
542 | I2C_NAME(client), rv); | |
543 | else { | |
544 | int ver, status; | |
545 | saa7110_write(client, 0x21, 0x10); | |
546 | saa7110_write(client, 0x0e, 0x18); | |
547 | saa7110_write(client, 0x0D, 0x04); | |
548 | ver = saa7110_read(client); | |
549 | saa7110_write(client, 0x0D, 0x06); | |
550 | //mdelay(150); | |
551 | status = saa7110_read(client); | |
552 | dprintk(1, | |
553 | KERN_INFO | |
554 | "%s_attach: SAA7110A version %x at 0x%02x, status=0x%02x\n", | |
555 | I2C_NAME(client), ver, client->addr << 1, status); | |
556 | saa7110_write(client, 0x0D, 0x86); | |
557 | saa7110_write(client, 0x0F, 0x10); | |
558 | saa7110_write(client, 0x11, 0x59); | |
559 | //saa7110_write(client, 0x2E, 0x9A); | |
560 | } | |
561 | ||
562 | //saa7110_selmux(client,0); | |
563 | //determine_norm(client); | |
564 | /* setup and implicit mode 0 select has been performed */ | |
565 | ||
566 | return 0; | |
567 | } | |
568 | ||
569 | static int | |
570 | saa7110_attach_adapter (struct i2c_adapter *adapter) | |
571 | { | |
572 | dprintk(1, | |
573 | KERN_INFO | |
574 | "saa7110.c: starting probe for adapter %s (0x%x)\n", | |
575 | I2C_NAME(adapter), adapter->id); | |
576 | return i2c_probe(adapter, &addr_data, &saa7110_detect_client); | |
577 | } | |
578 | ||
579 | static int | |
580 | saa7110_detach_client (struct i2c_client *client) | |
581 | { | |
582 | struct saa7110 *decoder = i2c_get_clientdata(client); | |
583 | int err; | |
584 | ||
585 | err = i2c_detach_client(client); | |
586 | if (err) { | |
587 | return err; | |
588 | } | |
589 | ||
590 | kfree(decoder); | |
591 | kfree(client); | |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
596 | /* ----------------------------------------------------------------------- */ | |
597 | ||
598 | static struct i2c_driver i2c_driver_saa7110 = { | |
599 | .owner = THIS_MODULE, | |
600 | .name = "saa7110", | |
601 | ||
602 | .id = I2C_DRIVERID_SAA7110, | |
603 | .flags = I2C_DF_NOTIFY, | |
604 | ||
605 | .attach_adapter = saa7110_attach_adapter, | |
606 | .detach_client = saa7110_detach_client, | |
607 | .command = saa7110_command, | |
608 | }; | |
609 | ||
610 | static int __init | |
611 | saa7110_init (void) | |
612 | { | |
613 | return i2c_add_driver(&i2c_driver_saa7110); | |
614 | } | |
615 | ||
616 | static void __exit | |
617 | saa7110_exit (void) | |
618 | { | |
619 | i2c_del_driver(&i2c_driver_saa7110); | |
620 | } | |
621 | ||
622 | module_init(saa7110_init); | |
623 | module_exit(saa7110_exit); |