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1da177e4 LT |
1 | /* |
2 | * saa7114 - Philips SAA7114H video decoder driver version 0.0.1 | |
3 | * | |
4 | * Copyright (C) 2002 Maxim Yevtyushkin <max@linuxmedialabs.com> | |
5 | * | |
6 | * Based on saa7111 driver by Dave Perks | |
7 | * | |
8 | * Copyright (C) 1998 Dave Perks <dperks@ibm.net> | |
9 | * | |
10 | * Slight changes for video timing and attachment output by | |
11 | * Wolfgang Scherr <scherr@net4you.net> | |
12 | * | |
13 | * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net> | |
14 | * - moved over to linux>=2.4.x i2c protocol (1/1/2003) | |
15 | * | |
16 | * This program is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License as published by | |
18 | * the Free Software Foundation; either version 2 of the License, or | |
19 | * (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., 675 Mass Ave, Cambridge, MA 02139, USA. | |
29 | */ | |
30 | ||
31 | #include <linux/module.h> | |
32 | #include <linux/init.h> | |
33 | #include <linux/delay.h> | |
34 | #include <linux/errno.h> | |
35 | #include <linux/fs.h> | |
36 | #include <linux/kernel.h> | |
37 | #include <linux/major.h> | |
38 | ||
39 | #include <linux/slab.h> | |
40 | ||
41 | #include <linux/mm.h> | |
42 | #include <linux/pci.h> | |
43 | #include <linux/signal.h> | |
44 | #include <asm/io.h> | |
45 | #include <asm/pgtable.h> | |
46 | #include <asm/page.h> | |
47 | #include <linux/sched.h> | |
1da177e4 LT |
48 | #include <linux/types.h> |
49 | ||
50 | #include <linux/videodev.h> | |
51 | #include <asm/uaccess.h> | |
52 | ||
53 | MODULE_DESCRIPTION("Philips SAA7114H video decoder driver"); | |
54 | MODULE_AUTHOR("Maxim Yevtyushkin"); | |
55 | MODULE_LICENSE("GPL"); | |
56 | ||
57 | #include <linux/i2c.h> | |
58 | #include <linux/i2c-dev.h> | |
59 | ||
60 | #define I2C_NAME(x) (x)->name | |
61 | ||
62 | #include <linux/video_decoder.h> | |
63 | ||
64 | static int debug = 0; | |
65 | module_param(debug, int, 0); | |
66 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | |
67 | ||
68 | #define dprintk(num, format, args...) \ | |
69 | do { \ | |
70 | if (debug >= num) \ | |
71 | printk(format, ##args); \ | |
72 | } while (0) | |
73 | ||
74 | /* ----------------------------------------------------------------------- */ | |
75 | ||
76 | struct saa7114 { | |
77 | unsigned char reg[0xf0 * 2]; | |
78 | ||
79 | int norm; | |
80 | int input; | |
81 | int enable; | |
82 | int bright; | |
83 | int contrast; | |
84 | int hue; | |
85 | int sat; | |
86 | int playback; | |
87 | }; | |
88 | ||
89 | #define I2C_SAA7114 0x42 | |
90 | #define I2C_SAA7114A 0x40 | |
91 | ||
92 | #define I2C_DELAY 10 | |
93 | ||
94 | ||
95 | //#define SAA_7114_NTSC_HSYNC_START (-3) | |
96 | //#define SAA_7114_NTSC_HSYNC_STOP (-18) | |
97 | ||
98 | #define SAA_7114_NTSC_HSYNC_START (-17) | |
99 | #define SAA_7114_NTSC_HSYNC_STOP (-32) | |
100 | ||
101 | //#define SAA_7114_NTSC_HOFFSET (5) | |
102 | #define SAA_7114_NTSC_HOFFSET (6) | |
103 | #define SAA_7114_NTSC_VOFFSET (10) | |
104 | #define SAA_7114_NTSC_WIDTH (720) | |
105 | #define SAA_7114_NTSC_HEIGHT (250) | |
106 | ||
107 | #define SAA_7114_SECAM_HSYNC_START (-17) | |
108 | #define SAA_7114_SECAM_HSYNC_STOP (-32) | |
109 | ||
110 | #define SAA_7114_SECAM_HOFFSET (2) | |
111 | #define SAA_7114_SECAM_VOFFSET (10) | |
112 | #define SAA_7114_SECAM_WIDTH (720) | |
113 | #define SAA_7114_SECAM_HEIGHT (300) | |
114 | ||
115 | #define SAA_7114_PAL_HSYNC_START (-17) | |
116 | #define SAA_7114_PAL_HSYNC_STOP (-32) | |
117 | ||
118 | #define SAA_7114_PAL_HOFFSET (2) | |
119 | #define SAA_7114_PAL_VOFFSET (10) | |
120 | #define SAA_7114_PAL_WIDTH (720) | |
121 | #define SAA_7114_PAL_HEIGHT (300) | |
122 | ||
123 | ||
124 | ||
125 | #define SAA_7114_VERTICAL_CHROMA_OFFSET 0 //0x50504040 | |
126 | #define SAA_7114_VERTICAL_LUMA_OFFSET 0 | |
127 | ||
128 | #define REG_ADDR(x) (((x) << 1) + 1) | |
129 | #define LOBYTE(x) ((unsigned char)((x) & 0xff)) | |
130 | #define HIBYTE(x) ((unsigned char)(((x) >> 8) & 0xff)) | |
131 | #define LOWORD(x) ((unsigned short int)((x) & 0xffff)) | |
132 | #define HIWORD(x) ((unsigned short int)(((x) >> 16) & 0xffff)) | |
133 | ||
134 | ||
135 | /* ----------------------------------------------------------------------- */ | |
136 | ||
137 | static inline int | |
138 | saa7114_write (struct i2c_client *client, | |
139 | u8 reg, | |
140 | u8 value) | |
141 | { | |
142 | /*struct saa7114 *decoder = i2c_get_clientdata(client);*/ | |
143 | ||
144 | /*decoder->reg[reg] = value;*/ | |
145 | return i2c_smbus_write_byte_data(client, reg, value); | |
146 | } | |
147 | ||
148 | static int | |
149 | saa7114_write_block (struct i2c_client *client, | |
150 | const u8 *data, | |
151 | unsigned int len) | |
152 | { | |
153 | int ret = -1; | |
154 | u8 reg; | |
155 | ||
156 | /* the saa7114 has an autoincrement function, use it if | |
157 | * the adapter understands raw I2C */ | |
158 | if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { | |
159 | /* do raw I2C, not smbus compatible */ | |
160 | /*struct saa7114 *decoder = i2c_get_clientdata(client);*/ | |
161 | struct i2c_msg msg; | |
162 | u8 block_data[32]; | |
163 | ||
164 | msg.addr = client->addr; | |
165 | msg.flags = 0; | |
166 | while (len >= 2) { | |
167 | msg.buf = (char *) block_data; | |
168 | msg.len = 0; | |
169 | block_data[msg.len++] = reg = data[0]; | |
170 | do { | |
171 | block_data[msg.len++] = | |
172 | /*decoder->reg[reg++] =*/ data[1]; | |
173 | len -= 2; | |
174 | data += 2; | |
175 | } while (len >= 2 && data[0] == reg && | |
176 | msg.len < 32); | |
177 | if ((ret = i2c_transfer(client->adapter, | |
178 | &msg, 1)) < 0) | |
179 | break; | |
180 | } | |
181 | } else { | |
182 | /* do some slow I2C emulation kind of thing */ | |
183 | while (len >= 2) { | |
184 | reg = *data++; | |
185 | if ((ret = saa7114_write(client, reg, | |
186 | *data++)) < 0) | |
187 | break; | |
188 | len -= 2; | |
189 | } | |
190 | } | |
191 | ||
192 | return ret; | |
193 | } | |
194 | ||
195 | static inline int | |
196 | saa7114_read (struct i2c_client *client, | |
197 | u8 reg) | |
198 | { | |
199 | return i2c_smbus_read_byte_data(client, reg); | |
200 | } | |
201 | ||
202 | /* ----------------------------------------------------------------------- */ | |
203 | ||
204 | // initially set NTSC, composite | |
205 | ||
206 | ||
207 | static const unsigned char init[] = { | |
208 | 0x00, 0x00, /* 00 - ID byte , chip version, | |
209 | * read only */ | |
210 | 0x01, 0x08, /* 01 - X,X,X,X, IDEL3 to IDEL0 - | |
211 | * horizontal increment delay, | |
212 | * recommended position */ | |
213 | 0x02, 0x00, /* 02 - FUSE=3, GUDL=2, MODE=0 ; | |
214 | * input control */ | |
215 | 0x03, 0x10, /* 03 - HLNRS=0, VBSL=1, WPOFF=0, | |
216 | * HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */ | |
217 | 0x04, 0x90, /* 04 - GAI1=256 */ | |
218 | 0x05, 0x90, /* 05 - GAI2=256 */ | |
219 | 0x06, SAA_7114_NTSC_HSYNC_START, /* 06 - HSB: hsync start, | |
220 | * depends on the video standard */ | |
221 | 0x07, SAA_7114_NTSC_HSYNC_STOP, /* 07 - HSS: hsync stop, depends | |
222 | *on the video standard */ | |
223 | 0x08, 0xb8, /* 08 - AUFD=1, FSEL=1, EXFIL=0, VTRC=1, | |
224 | * HPLL: free running in playback, locked | |
225 | * in capture, VNOI=0 */ | |
226 | 0x09, 0x80, /* 09 - BYPS=0, PREF=0, BPSS=0, VBLB=0, | |
227 | * UPTCV=0, APER=1; depends from input */ | |
228 | 0x0a, 0x80, /* 0a - BRIG=128 */ | |
229 | 0x0b, 0x44, /* 0b - CONT=1.109 */ | |
230 | 0x0c, 0x40, /* 0c - SATN=1.0 */ | |
231 | 0x0d, 0x00, /* 0d - HUE=0 */ | |
232 | 0x0e, 0x84, /* 0e - CDTO, CSTD2 to 0, DCVF, FCTC, | |
233 | * CCOMB; depends from video standard */ | |
234 | 0x0f, 0x24, /* 0f - ACGC,CGAIN6 to CGAIN0; depends | |
235 | * from video standard */ | |
236 | 0x10, 0x03, /* 10 - OFFU1 to 0, OFFV1 to 0, CHBW, | |
237 | * LCBW2 to 0 */ | |
238 | 0x11, 0x59, /* 11 - COLO, RTP1, HEDL1 to 0, RTP0, | |
239 | * YDEL2 to 0 */ | |
240 | 0x12, 0xc9, /* 12 - RT signal control RTSE13 to 10 | |
241 | * and 03 to 00 */ | |
242 | 0x13, 0x80, /* 13 - RT/X port output control */ | |
243 | 0x14, 0x00, /* 14 - analog, ADC, compatibility control */ | |
244 | 0x15, 0x00, /* 15 - VGATE start FID change */ | |
245 | 0x16, 0xfe, /* 16 - VGATE stop */ | |
246 | 0x17, 0x00, /* 17 - Misc., VGATE MSBs */ | |
247 | 0x18, 0x40, /* RAWG */ | |
248 | 0x19, 0x80, /* RAWO */ | |
249 | 0x1a, 0x00, | |
250 | 0x1b, 0x00, | |
251 | 0x1c, 0x00, | |
252 | 0x1d, 0x00, | |
253 | 0x1e, 0x00, | |
254 | 0x1f, 0x00, /* status byte, read only */ | |
255 | 0x20, 0x00, /* video decoder reserved part */ | |
256 | 0x21, 0x00, | |
257 | 0x22, 0x00, | |
258 | 0x23, 0x00, | |
259 | 0x24, 0x00, | |
260 | 0x25, 0x00, | |
261 | 0x26, 0x00, | |
262 | 0x27, 0x00, | |
263 | 0x28, 0x00, | |
264 | 0x29, 0x00, | |
265 | 0x2a, 0x00, | |
266 | 0x2b, 0x00, | |
267 | 0x2c, 0x00, | |
268 | 0x2d, 0x00, | |
269 | 0x2e, 0x00, | |
270 | 0x2f, 0x00, | |
271 | 0x30, 0xbc, /* audio clock generator */ | |
272 | 0x31, 0xdf, | |
273 | 0x32, 0x02, | |
274 | 0x33, 0x00, | |
275 | 0x34, 0xcd, | |
276 | 0x35, 0xcc, | |
277 | 0x36, 0x3a, | |
278 | 0x37, 0x00, | |
279 | 0x38, 0x03, | |
280 | 0x39, 0x10, | |
281 | 0x3a, 0x00, | |
282 | 0x3b, 0x00, | |
283 | 0x3c, 0x00, | |
284 | 0x3d, 0x00, | |
285 | 0x3e, 0x00, | |
286 | 0x3f, 0x00, | |
287 | 0x40, 0x00, /* VBI data slicer */ | |
288 | 0x41, 0xff, | |
289 | 0x42, 0xff, | |
290 | 0x43, 0xff, | |
291 | 0x44, 0xff, | |
292 | 0x45, 0xff, | |
293 | 0x46, 0xff, | |
294 | 0x47, 0xff, | |
295 | 0x48, 0xff, | |
296 | 0x49, 0xff, | |
297 | 0x4a, 0xff, | |
298 | 0x4b, 0xff, | |
299 | 0x4c, 0xff, | |
300 | 0x4d, 0xff, | |
301 | 0x4e, 0xff, | |
302 | 0x4f, 0xff, | |
303 | 0x50, 0xff, | |
304 | 0x51, 0xff, | |
305 | 0x52, 0xff, | |
306 | 0x53, 0xff, | |
307 | 0x54, 0xff, | |
308 | 0x55, 0xff, | |
309 | 0x56, 0xff, | |
310 | 0x57, 0xff, | |
311 | 0x58, 0x40, // framing code | |
312 | 0x59, 0x47, // horizontal offset | |
313 | 0x5a, 0x06, // vertical offset | |
314 | 0x5b, 0x83, // field offset | |
315 | 0x5c, 0x00, // reserved | |
316 | 0x5d, 0x3e, // header and data | |
317 | 0x5e, 0x00, // sliced data | |
318 | 0x5f, 0x00, // reserved | |
319 | 0x60, 0x00, /* video decoder reserved part */ | |
320 | 0x61, 0x00, | |
321 | 0x62, 0x00, | |
322 | 0x63, 0x00, | |
323 | 0x64, 0x00, | |
324 | 0x65, 0x00, | |
325 | 0x66, 0x00, | |
326 | 0x67, 0x00, | |
327 | 0x68, 0x00, | |
328 | 0x69, 0x00, | |
329 | 0x6a, 0x00, | |
330 | 0x6b, 0x00, | |
331 | 0x6c, 0x00, | |
332 | 0x6d, 0x00, | |
333 | 0x6e, 0x00, | |
334 | 0x6f, 0x00, | |
335 | 0x70, 0x00, /* video decoder reserved part */ | |
336 | 0x71, 0x00, | |
337 | 0x72, 0x00, | |
338 | 0x73, 0x00, | |
339 | 0x74, 0x00, | |
340 | 0x75, 0x00, | |
341 | 0x76, 0x00, | |
342 | 0x77, 0x00, | |
343 | 0x78, 0x00, | |
344 | 0x79, 0x00, | |
345 | 0x7a, 0x00, | |
346 | 0x7b, 0x00, | |
347 | 0x7c, 0x00, | |
348 | 0x7d, 0x00, | |
349 | 0x7e, 0x00, | |
350 | 0x7f, 0x00, | |
351 | 0x80, 0x00, /* X-port, I-port and scaler */ | |
352 | 0x81, 0x00, | |
353 | 0x82, 0x00, | |
354 | 0x83, 0x00, | |
355 | 0x84, 0xc5, | |
356 | 0x85, 0x0d, // hsync and vsync ? | |
357 | 0x86, 0x40, | |
358 | 0x87, 0x01, | |
359 | 0x88, 0x00, | |
360 | 0x89, 0x00, | |
361 | 0x8a, 0x00, | |
362 | 0x8b, 0x00, | |
363 | 0x8c, 0x00, | |
364 | 0x8d, 0x00, | |
365 | 0x8e, 0x00, | |
366 | 0x8f, 0x00, | |
367 | 0x90, 0x03, /* Task A definition */ | |
368 | 0x91, 0x08, | |
369 | 0x92, 0x00, | |
370 | 0x93, 0x40, | |
371 | 0x94, 0x00, // window settings | |
372 | 0x95, 0x00, | |
373 | 0x96, 0x00, | |
374 | 0x97, 0x00, | |
375 | 0x98, 0x00, | |
376 | 0x99, 0x00, | |
377 | 0x9a, 0x00, | |
378 | 0x9b, 0x00, | |
379 | 0x9c, 0x00, | |
380 | 0x9d, 0x00, | |
381 | 0x9e, 0x00, | |
382 | 0x9f, 0x00, | |
383 | 0xa0, 0x01, /* horizontal integer prescaling ratio */ | |
384 | 0xa1, 0x00, /* horizontal prescaler accumulation | |
385 | * sequence length */ | |
386 | 0xa2, 0x00, /* UV FIR filter, Y FIR filter, prescaler | |
387 | * DC gain */ | |
388 | 0xa3, 0x00, | |
389 | 0xa4, 0x80, // luminance brightness | |
390 | 0xa5, 0x40, // luminance gain | |
391 | 0xa6, 0x40, // chrominance saturation | |
392 | 0xa7, 0x00, | |
393 | 0xa8, 0x00, // horizontal luminance scaling increment | |
394 | 0xa9, 0x04, | |
395 | 0xaa, 0x00, // horizontal luminance phase offset | |
396 | 0xab, 0x00, | |
397 | 0xac, 0x00, // horizontal chrominance scaling increment | |
398 | 0xad, 0x02, | |
399 | 0xae, 0x00, // horizontal chrominance phase offset | |
400 | 0xaf, 0x00, | |
401 | 0xb0, 0x00, // vertical luminance scaling increment | |
402 | 0xb1, 0x04, | |
403 | 0xb2, 0x00, // vertical chrominance scaling increment | |
404 | 0xb3, 0x04, | |
405 | 0xb4, 0x00, | |
406 | 0xb5, 0x00, | |
407 | 0xb6, 0x00, | |
408 | 0xb7, 0x00, | |
409 | 0xb8, 0x00, | |
410 | 0xb9, 0x00, | |
411 | 0xba, 0x00, | |
412 | 0xbb, 0x00, | |
413 | 0xbc, 0x00, | |
414 | 0xbd, 0x00, | |
415 | 0xbe, 0x00, | |
416 | 0xbf, 0x00, | |
417 | 0xc0, 0x02, // Task B definition | |
418 | 0xc1, 0x08, | |
419 | 0xc2, 0x00, | |
420 | 0xc3, 0x40, | |
421 | 0xc4, 0x00, // window settings | |
422 | 0xc5, 0x00, | |
423 | 0xc6, 0x00, | |
424 | 0xc7, 0x00, | |
425 | 0xc8, 0x00, | |
426 | 0xc9, 0x00, | |
427 | 0xca, 0x00, | |
428 | 0xcb, 0x00, | |
429 | 0xcc, 0x00, | |
430 | 0xcd, 0x00, | |
431 | 0xce, 0x00, | |
432 | 0xcf, 0x00, | |
433 | 0xd0, 0x01, // horizontal integer prescaling ratio | |
434 | 0xd1, 0x00, // horizontal prescaler accumulation sequence length | |
435 | 0xd2, 0x00, // UV FIR filter, Y FIR filter, prescaler DC gain | |
436 | 0xd3, 0x00, | |
437 | 0xd4, 0x80, // luminance brightness | |
438 | 0xd5, 0x40, // luminance gain | |
439 | 0xd6, 0x40, // chrominance saturation | |
440 | 0xd7, 0x00, | |
441 | 0xd8, 0x00, // horizontal luminance scaling increment | |
442 | 0xd9, 0x04, | |
443 | 0xda, 0x00, // horizontal luminance phase offset | |
444 | 0xdb, 0x00, | |
445 | 0xdc, 0x00, // horizontal chrominance scaling increment | |
446 | 0xdd, 0x02, | |
447 | 0xde, 0x00, // horizontal chrominance phase offset | |
448 | 0xdf, 0x00, | |
449 | 0xe0, 0x00, // vertical luminance scaling increment | |
450 | 0xe1, 0x04, | |
451 | 0xe2, 0x00, // vertical chrominance scaling increment | |
452 | 0xe3, 0x04, | |
453 | 0xe4, 0x00, | |
454 | 0xe5, 0x00, | |
455 | 0xe6, 0x00, | |
456 | 0xe7, 0x00, | |
457 | 0xe8, 0x00, | |
458 | 0xe9, 0x00, | |
459 | 0xea, 0x00, | |
460 | 0xeb, 0x00, | |
461 | 0xec, 0x00, | |
462 | 0xed, 0x00, | |
463 | 0xee, 0x00, | |
464 | 0xef, 0x00 | |
465 | }; | |
466 | ||
467 | static int | |
468 | saa7114_command (struct i2c_client *client, | |
469 | unsigned int cmd, | |
470 | void *arg) | |
471 | { | |
472 | struct saa7114 *decoder = i2c_get_clientdata(client); | |
473 | ||
474 | switch (cmd) { | |
475 | ||
476 | case 0: | |
477 | //dprintk(1, KERN_INFO "%s: writing init\n", I2C_NAME(client)); | |
478 | //saa7114_write_block(client, init, sizeof(init)); | |
479 | break; | |
480 | ||
481 | case DECODER_DUMP: | |
482 | { | |
483 | int i; | |
484 | ||
485 | dprintk(1, KERN_INFO "%s: decoder dump\n", I2C_NAME(client)); | |
486 | ||
487 | for (i = 0; i < 32; i += 16) { | |
488 | int j; | |
489 | ||
490 | printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i); | |
491 | for (j = 0; j < 16; ++j) { | |
492 | printk(" %02x", | |
493 | saa7114_read(client, i + j)); | |
494 | } | |
495 | printk("\n"); | |
496 | } | |
497 | } | |
498 | break; | |
499 | ||
500 | case DECODER_GET_CAPABILITIES: | |
501 | { | |
502 | struct video_decoder_capability *cap = arg; | |
503 | ||
504 | dprintk(1, KERN_DEBUG "%s: decoder get capabilities\n", | |
505 | I2C_NAME(client)); | |
506 | ||
507 | cap->flags = VIDEO_DECODER_PAL | | |
508 | VIDEO_DECODER_NTSC | | |
509 | VIDEO_DECODER_AUTO | | |
510 | VIDEO_DECODER_CCIR; | |
511 | cap->inputs = 8; | |
512 | cap->outputs = 1; | |
513 | } | |
514 | break; | |
515 | ||
516 | case DECODER_GET_STATUS: | |
517 | { | |
518 | int *iarg = arg; | |
519 | int status; | |
520 | int res; | |
521 | ||
522 | status = saa7114_read(client, 0x1f); | |
523 | ||
524 | dprintk(1, KERN_DEBUG "%s status: 0x%02x\n", I2C_NAME(client), | |
525 | status); | |
526 | res = 0; | |
527 | if ((status & (1 << 6)) == 0) { | |
528 | res |= DECODER_STATUS_GOOD; | |
529 | } | |
530 | switch (decoder->norm) { | |
531 | case VIDEO_MODE_NTSC: | |
532 | res |= DECODER_STATUS_NTSC; | |
533 | break; | |
534 | case VIDEO_MODE_PAL: | |
535 | res |= DECODER_STATUS_PAL; | |
536 | break; | |
537 | case VIDEO_MODE_SECAM: | |
538 | res |= DECODER_STATUS_SECAM; | |
539 | break; | |
540 | default: | |
541 | case VIDEO_MODE_AUTO: | |
542 | if ((status & (1 << 5)) != 0) { | |
543 | res |= DECODER_STATUS_NTSC; | |
544 | } else { | |
545 | res |= DECODER_STATUS_PAL; | |
546 | } | |
547 | break; | |
548 | } | |
549 | if ((status & (1 << 0)) != 0) { | |
550 | res |= DECODER_STATUS_COLOR; | |
551 | } | |
552 | *iarg = res; | |
553 | } | |
554 | break; | |
555 | ||
556 | case DECODER_SET_NORM: | |
557 | { | |
558 | int *iarg = arg; | |
559 | ||
560 | short int hoff = 0, voff = 0, w = 0, h = 0; | |
561 | ||
562 | dprintk(1, KERN_DEBUG "%s: decoder set norm ", | |
563 | I2C_NAME(client)); | |
564 | switch (*iarg) { | |
565 | ||
566 | case VIDEO_MODE_NTSC: | |
567 | dprintk(1, "NTSC\n"); | |
568 | decoder->reg[REG_ADDR(0x06)] = | |
569 | SAA_7114_NTSC_HSYNC_START; | |
570 | decoder->reg[REG_ADDR(0x07)] = | |
571 | SAA_7114_NTSC_HSYNC_STOP; | |
572 | ||
573 | decoder->reg[REG_ADDR(0x08)] = decoder->playback ? 0x7c : 0xb8; // PLL free when playback, PLL close when capture | |
574 | ||
575 | decoder->reg[REG_ADDR(0x0e)] = 0x85; | |
576 | decoder->reg[REG_ADDR(0x0f)] = 0x24; | |
577 | ||
578 | hoff = SAA_7114_NTSC_HOFFSET; | |
579 | voff = SAA_7114_NTSC_VOFFSET; | |
580 | w = SAA_7114_NTSC_WIDTH; | |
581 | h = SAA_7114_NTSC_HEIGHT; | |
582 | ||
583 | break; | |
584 | ||
585 | case VIDEO_MODE_PAL: | |
586 | dprintk(1, "PAL\n"); | |
587 | decoder->reg[REG_ADDR(0x06)] = | |
588 | SAA_7114_PAL_HSYNC_START; | |
589 | decoder->reg[REG_ADDR(0x07)] = | |
590 | SAA_7114_PAL_HSYNC_STOP; | |
591 | ||
592 | decoder->reg[REG_ADDR(0x08)] = decoder->playback ? 0x7c : 0xb8; // PLL free when playback, PLL close when capture | |
593 | ||
594 | decoder->reg[REG_ADDR(0x0e)] = 0x81; | |
595 | decoder->reg[REG_ADDR(0x0f)] = 0x24; | |
596 | ||
597 | hoff = SAA_7114_PAL_HOFFSET; | |
598 | voff = SAA_7114_PAL_VOFFSET; | |
599 | w = SAA_7114_PAL_WIDTH; | |
600 | h = SAA_7114_PAL_HEIGHT; | |
601 | ||
602 | break; | |
603 | ||
604 | default: | |
605 | dprintk(1, " Unknown video mode!!!\n"); | |
606 | return -EINVAL; | |
607 | ||
608 | } | |
609 | ||
610 | ||
611 | decoder->reg[REG_ADDR(0x94)] = LOBYTE(hoff); // hoffset low | |
612 | decoder->reg[REG_ADDR(0x95)] = HIBYTE(hoff) & 0x0f; // hoffset high | |
613 | decoder->reg[REG_ADDR(0x96)] = LOBYTE(w); // width low | |
614 | decoder->reg[REG_ADDR(0x97)] = HIBYTE(w) & 0x0f; // width high | |
615 | decoder->reg[REG_ADDR(0x98)] = LOBYTE(voff); // voffset low | |
616 | decoder->reg[REG_ADDR(0x99)] = HIBYTE(voff) & 0x0f; // voffset high | |
617 | decoder->reg[REG_ADDR(0x9a)] = LOBYTE(h + 2); // height low | |
618 | decoder->reg[REG_ADDR(0x9b)] = HIBYTE(h + 2) & 0x0f; // height high | |
619 | decoder->reg[REG_ADDR(0x9c)] = LOBYTE(w); // out width low | |
620 | decoder->reg[REG_ADDR(0x9d)] = HIBYTE(w) & 0x0f; // out width high | |
621 | decoder->reg[REG_ADDR(0x9e)] = LOBYTE(h); // out height low | |
622 | decoder->reg[REG_ADDR(0x9f)] = HIBYTE(h) & 0x0f; // out height high | |
623 | ||
624 | decoder->reg[REG_ADDR(0xc4)] = LOBYTE(hoff); // hoffset low | |
625 | decoder->reg[REG_ADDR(0xc5)] = HIBYTE(hoff) & 0x0f; // hoffset high | |
626 | decoder->reg[REG_ADDR(0xc6)] = LOBYTE(w); // width low | |
627 | decoder->reg[REG_ADDR(0xc7)] = HIBYTE(w) & 0x0f; // width high | |
628 | decoder->reg[REG_ADDR(0xc8)] = LOBYTE(voff); // voffset low | |
629 | decoder->reg[REG_ADDR(0xc9)] = HIBYTE(voff) & 0x0f; // voffset high | |
630 | decoder->reg[REG_ADDR(0xca)] = LOBYTE(h + 2); // height low | |
631 | decoder->reg[REG_ADDR(0xcb)] = HIBYTE(h + 2) & 0x0f; // height high | |
632 | decoder->reg[REG_ADDR(0xcc)] = LOBYTE(w); // out width low | |
633 | decoder->reg[REG_ADDR(0xcd)] = HIBYTE(w) & 0x0f; // out width high | |
634 | decoder->reg[REG_ADDR(0xce)] = LOBYTE(h); // out height low | |
635 | decoder->reg[REG_ADDR(0xcf)] = HIBYTE(h) & 0x0f; // out height high | |
636 | ||
637 | ||
638 | saa7114_write(client, 0x80, 0x06); // i-port and scaler back end clock selection, task A&B off | |
639 | saa7114_write(client, 0x88, 0xd8); // sw reset scaler | |
640 | saa7114_write(client, 0x88, 0xf8); // sw reset scaler release | |
641 | ||
642 | saa7114_write_block(client, decoder->reg + (0x06 << 1), | |
643 | 3 << 1); | |
644 | saa7114_write_block(client, decoder->reg + (0x0e << 1), | |
645 | 2 << 1); | |
646 | saa7114_write_block(client, decoder->reg + (0x5a << 1), | |
647 | 2 << 1); | |
648 | ||
649 | saa7114_write_block(client, decoder->reg + (0x94 << 1), | |
650 | (0x9f + 1 - 0x94) << 1); | |
651 | saa7114_write_block(client, decoder->reg + (0xc4 << 1), | |
652 | (0xcf + 1 - 0xc4) << 1); | |
653 | ||
654 | saa7114_write(client, 0x88, 0xd8); // sw reset scaler | |
655 | saa7114_write(client, 0x88, 0xf8); // sw reset scaler release | |
656 | saa7114_write(client, 0x80, 0x36); // i-port and scaler back end clock selection | |
657 | ||
658 | decoder->norm = *iarg; | |
659 | } | |
660 | break; | |
661 | ||
662 | case DECODER_SET_INPUT: | |
663 | { | |
664 | int *iarg = arg; | |
665 | ||
666 | dprintk(1, KERN_DEBUG "%s: decoder set input (%d)\n", | |
667 | I2C_NAME(client), *iarg); | |
668 | if (*iarg < 0 || *iarg > 7) { | |
669 | return -EINVAL; | |
670 | } | |
671 | ||
672 | if (decoder->input != *iarg) { | |
673 | dprintk(1, KERN_DEBUG "%s: now setting %s input\n", | |
674 | I2C_NAME(client), | |
675 | *iarg >= 6 ? "S-Video" : "Composite"); | |
676 | decoder->input = *iarg; | |
677 | ||
678 | /* select mode */ | |
679 | decoder->reg[REG_ADDR(0x02)] = | |
680 | (decoder-> | |
681 | reg[REG_ADDR(0x02)] & 0xf0) | (decoder-> | |
682 | input < | |
683 | 6 ? 0x0 : 0x9); | |
684 | saa7114_write(client, 0x02, | |
685 | decoder->reg[REG_ADDR(0x02)]); | |
686 | ||
687 | /* bypass chrominance trap for modes 6..9 */ | |
688 | decoder->reg[REG_ADDR(0x09)] = | |
689 | (decoder-> | |
690 | reg[REG_ADDR(0x09)] & 0x7f) | (decoder-> | |
691 | input < | |
692 | 6 ? 0x0 : | |
693 | 0x80); | |
694 | saa7114_write(client, 0x09, | |
695 | decoder->reg[REG_ADDR(0x09)]); | |
696 | ||
697 | decoder->reg[REG_ADDR(0x0e)] = | |
698 | decoder->input < | |
699 | 6 ? decoder-> | |
700 | reg[REG_ADDR(0x0e)] | 1 : decoder-> | |
701 | reg[REG_ADDR(0x0e)] & ~1; | |
702 | saa7114_write(client, 0x0e, | |
703 | decoder->reg[REG_ADDR(0x0e)]); | |
704 | } | |
705 | } | |
706 | break; | |
707 | ||
708 | case DECODER_SET_OUTPUT: | |
709 | { | |
710 | int *iarg = arg; | |
711 | ||
712 | dprintk(1, KERN_DEBUG "%s: decoder set output\n", | |
713 | I2C_NAME(client)); | |
714 | ||
715 | /* not much choice of outputs */ | |
716 | if (*iarg != 0) { | |
717 | return -EINVAL; | |
718 | } | |
719 | } | |
720 | break; | |
721 | ||
722 | case DECODER_ENABLE_OUTPUT: | |
723 | { | |
724 | int *iarg = arg; | |
725 | int enable = (*iarg != 0); | |
726 | ||
727 | dprintk(1, KERN_DEBUG "%s: decoder %s output\n", | |
728 | I2C_NAME(client), enable ? "enable" : "disable"); | |
729 | ||
730 | decoder->playback = !enable; | |
731 | ||
732 | if (decoder->enable != enable) { | |
733 | decoder->enable = enable; | |
734 | ||
735 | /* RJ: If output should be disabled (for | |
736 | * playing videos), we also need a open PLL. | |
737 | * The input is set to 0 (where no input | |
738 | * source is connected), although this | |
739 | * is not necessary. | |
740 | * | |
741 | * If output should be enabled, we have to | |
742 | * reverse the above. | |
743 | */ | |
744 | ||
745 | if (decoder->enable) { | |
746 | decoder->reg[REG_ADDR(0x08)] = 0xb8; | |
747 | decoder->reg[REG_ADDR(0x12)] = 0xc9; | |
748 | decoder->reg[REG_ADDR(0x13)] = 0x80; | |
749 | decoder->reg[REG_ADDR(0x87)] = 0x01; | |
750 | } else { | |
751 | decoder->reg[REG_ADDR(0x08)] = 0x7c; | |
752 | decoder->reg[REG_ADDR(0x12)] = 0x00; | |
753 | decoder->reg[REG_ADDR(0x13)] = 0x00; | |
754 | decoder->reg[REG_ADDR(0x87)] = 0x00; | |
755 | } | |
756 | ||
757 | saa7114_write_block(client, | |
758 | decoder->reg + (0x12 << 1), | |
759 | 2 << 1); | |
760 | saa7114_write(client, 0x08, | |
761 | decoder->reg[REG_ADDR(0x08)]); | |
762 | saa7114_write(client, 0x87, | |
763 | decoder->reg[REG_ADDR(0x87)]); | |
764 | saa7114_write(client, 0x88, 0xd8); // sw reset scaler | |
765 | saa7114_write(client, 0x88, 0xf8); // sw reset scaler release | |
766 | saa7114_write(client, 0x80, 0x36); | |
767 | ||
768 | } | |
769 | } | |
770 | break; | |
771 | ||
772 | case DECODER_SET_PICTURE: | |
773 | { | |
774 | struct video_picture *pic = arg; | |
775 | ||
776 | dprintk(1, | |
777 | KERN_DEBUG | |
778 | "%s: decoder set picture bright=%d contrast=%d saturation=%d hue=%d\n", | |
779 | I2C_NAME(client), pic->brightness, pic->contrast, | |
780 | pic->colour, pic->hue); | |
781 | ||
782 | if (decoder->bright != pic->brightness) { | |
783 | /* We want 0 to 255 we get 0-65535 */ | |
784 | decoder->bright = pic->brightness; | |
785 | saa7114_write(client, 0x0a, decoder->bright >> 8); | |
786 | } | |
787 | if (decoder->contrast != pic->contrast) { | |
788 | /* We want 0 to 127 we get 0-65535 */ | |
789 | decoder->contrast = pic->contrast; | |
790 | saa7114_write(client, 0x0b, | |
791 | decoder->contrast >> 9); | |
792 | } | |
793 | if (decoder->sat != pic->colour) { | |
794 | /* We want 0 to 127 we get 0-65535 */ | |
795 | decoder->sat = pic->colour; | |
796 | saa7114_write(client, 0x0c, decoder->sat >> 9); | |
797 | } | |
798 | if (decoder->hue != pic->hue) { | |
799 | /* We want -128 to 127 we get 0-65535 */ | |
800 | decoder->hue = pic->hue; | |
801 | saa7114_write(client, 0x0d, | |
802 | (decoder->hue - 32768) >> 8); | |
803 | } | |
804 | } | |
805 | break; | |
806 | ||
807 | default: | |
808 | return -EINVAL; | |
809 | } | |
810 | ||
811 | return 0; | |
812 | } | |
813 | ||
814 | /* ----------------------------------------------------------------------- */ | |
815 | ||
816 | /* | |
817 | * Generic i2c probe | |
818 | * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' | |
819 | */ | |
820 | static unsigned short normal_i2c[] = | |
821 | { I2C_SAA7114 >> 1, I2C_SAA7114A >> 1, I2C_CLIENT_END }; | |
1da177e4 | 822 | |
68cc9d0b | 823 | static unsigned short ignore = I2C_CLIENT_END; |
1da177e4 LT |
824 | |
825 | static struct i2c_client_address_data addr_data = { | |
826 | .normal_i2c = normal_i2c, | |
68cc9d0b JD |
827 | .probe = &ignore, |
828 | .ignore = &ignore, | |
1da177e4 LT |
829 | }; |
830 | ||
831 | static struct i2c_driver i2c_driver_saa7114; | |
832 | ||
833 | static int | |
834 | saa7114_detect_client (struct i2c_adapter *adapter, | |
835 | int address, | |
836 | int kind) | |
837 | { | |
838 | int i, err[30]; | |
839 | short int hoff = SAA_7114_NTSC_HOFFSET; | |
840 | short int voff = SAA_7114_NTSC_VOFFSET; | |
841 | short int w = SAA_7114_NTSC_WIDTH; | |
842 | short int h = SAA_7114_NTSC_HEIGHT; | |
843 | struct i2c_client *client; | |
844 | struct saa7114 *decoder; | |
845 | ||
846 | dprintk(1, | |
847 | KERN_INFO | |
848 | "saa7114.c: detecting saa7114 client on address 0x%x\n", | |
849 | address << 1); | |
850 | ||
851 | /* Check if the adapter supports the needed features */ | |
852 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
853 | return 0; | |
854 | ||
855 | client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); | |
856 | if (client == 0) | |
857 | return -ENOMEM; | |
858 | memset(client, 0, sizeof(struct i2c_client)); | |
859 | client->addr = address; | |
860 | client->adapter = adapter; | |
861 | client->driver = &i2c_driver_saa7114; | |
1da177e4 LT |
862 | strlcpy(I2C_NAME(client), "saa7114", sizeof(I2C_NAME(client))); |
863 | ||
864 | decoder = kmalloc(sizeof(struct saa7114), GFP_KERNEL); | |
865 | if (decoder == NULL) { | |
866 | kfree(client); | |
867 | return -ENOMEM; | |
868 | } | |
869 | memset(decoder, 0, sizeof(struct saa7114)); | |
870 | decoder->norm = VIDEO_MODE_NTSC; | |
871 | decoder->input = -1; | |
872 | decoder->enable = 1; | |
873 | decoder->bright = 32768; | |
874 | decoder->contrast = 32768; | |
875 | decoder->hue = 32768; | |
876 | decoder->sat = 32768; | |
877 | decoder->playback = 0; // initially capture mode useda | |
878 | i2c_set_clientdata(client, decoder); | |
879 | ||
880 | memcpy(decoder->reg, init, sizeof(init)); | |
881 | ||
882 | decoder->reg[REG_ADDR(0x94)] = LOBYTE(hoff); // hoffset low | |
883 | decoder->reg[REG_ADDR(0x95)] = HIBYTE(hoff) & 0x0f; // hoffset high | |
884 | decoder->reg[REG_ADDR(0x96)] = LOBYTE(w); // width low | |
885 | decoder->reg[REG_ADDR(0x97)] = HIBYTE(w) & 0x0f; // width high | |
886 | decoder->reg[REG_ADDR(0x98)] = LOBYTE(voff); // voffset low | |
887 | decoder->reg[REG_ADDR(0x99)] = HIBYTE(voff) & 0x0f; // voffset high | |
888 | decoder->reg[REG_ADDR(0x9a)] = LOBYTE(h + 2); // height low | |
889 | decoder->reg[REG_ADDR(0x9b)] = HIBYTE(h + 2) & 0x0f; // height high | |
890 | decoder->reg[REG_ADDR(0x9c)] = LOBYTE(w); // out width low | |
891 | decoder->reg[REG_ADDR(0x9d)] = HIBYTE(w) & 0x0f; // out width high | |
892 | decoder->reg[REG_ADDR(0x9e)] = LOBYTE(h); // out height low | |
893 | decoder->reg[REG_ADDR(0x9f)] = HIBYTE(h) & 0x0f; // out height high | |
894 | ||
895 | decoder->reg[REG_ADDR(0xc4)] = LOBYTE(hoff); // hoffset low | |
896 | decoder->reg[REG_ADDR(0xc5)] = HIBYTE(hoff) & 0x0f; // hoffset high | |
897 | decoder->reg[REG_ADDR(0xc6)] = LOBYTE(w); // width low | |
898 | decoder->reg[REG_ADDR(0xc7)] = HIBYTE(w) & 0x0f; // width high | |
899 | decoder->reg[REG_ADDR(0xc8)] = LOBYTE(voff); // voffset low | |
900 | decoder->reg[REG_ADDR(0xc9)] = HIBYTE(voff) & 0x0f; // voffset high | |
901 | decoder->reg[REG_ADDR(0xca)] = LOBYTE(h + 2); // height low | |
902 | decoder->reg[REG_ADDR(0xcb)] = HIBYTE(h + 2) & 0x0f; // height high | |
903 | decoder->reg[REG_ADDR(0xcc)] = LOBYTE(w); // out width low | |
904 | decoder->reg[REG_ADDR(0xcd)] = HIBYTE(w) & 0x0f; // out width high | |
905 | decoder->reg[REG_ADDR(0xce)] = LOBYTE(h); // out height low | |
906 | decoder->reg[REG_ADDR(0xcf)] = HIBYTE(h) & 0x0f; // out height high | |
907 | ||
908 | decoder->reg[REG_ADDR(0xb8)] = | |
909 | LOBYTE(LOWORD(SAA_7114_VERTICAL_CHROMA_OFFSET)); | |
910 | decoder->reg[REG_ADDR(0xb9)] = | |
911 | HIBYTE(LOWORD(SAA_7114_VERTICAL_CHROMA_OFFSET)); | |
912 | decoder->reg[REG_ADDR(0xba)] = | |
913 | LOBYTE(HIWORD(SAA_7114_VERTICAL_CHROMA_OFFSET)); | |
914 | decoder->reg[REG_ADDR(0xbb)] = | |
915 | HIBYTE(HIWORD(SAA_7114_VERTICAL_CHROMA_OFFSET)); | |
916 | ||
917 | decoder->reg[REG_ADDR(0xbc)] = | |
918 | LOBYTE(LOWORD(SAA_7114_VERTICAL_LUMA_OFFSET)); | |
919 | decoder->reg[REG_ADDR(0xbd)] = | |
920 | HIBYTE(LOWORD(SAA_7114_VERTICAL_LUMA_OFFSET)); | |
921 | decoder->reg[REG_ADDR(0xbe)] = | |
922 | LOBYTE(HIWORD(SAA_7114_VERTICAL_LUMA_OFFSET)); | |
923 | decoder->reg[REG_ADDR(0xbf)] = | |
924 | HIBYTE(HIWORD(SAA_7114_VERTICAL_LUMA_OFFSET)); | |
925 | ||
926 | decoder->reg[REG_ADDR(0xe8)] = | |
927 | LOBYTE(LOWORD(SAA_7114_VERTICAL_CHROMA_OFFSET)); | |
928 | decoder->reg[REG_ADDR(0xe9)] = | |
929 | HIBYTE(LOWORD(SAA_7114_VERTICAL_CHROMA_OFFSET)); | |
930 | decoder->reg[REG_ADDR(0xea)] = | |
931 | LOBYTE(HIWORD(SAA_7114_VERTICAL_CHROMA_OFFSET)); | |
932 | decoder->reg[REG_ADDR(0xeb)] = | |
933 | HIBYTE(HIWORD(SAA_7114_VERTICAL_CHROMA_OFFSET)); | |
934 | ||
935 | decoder->reg[REG_ADDR(0xec)] = | |
936 | LOBYTE(LOWORD(SAA_7114_VERTICAL_LUMA_OFFSET)); | |
937 | decoder->reg[REG_ADDR(0xed)] = | |
938 | HIBYTE(LOWORD(SAA_7114_VERTICAL_LUMA_OFFSET)); | |
939 | decoder->reg[REG_ADDR(0xee)] = | |
940 | LOBYTE(HIWORD(SAA_7114_VERTICAL_LUMA_OFFSET)); | |
941 | decoder->reg[REG_ADDR(0xef)] = | |
942 | HIBYTE(HIWORD(SAA_7114_VERTICAL_LUMA_OFFSET)); | |
943 | ||
944 | ||
945 | decoder->reg[REG_ADDR(0x13)] = 0x80; // RTC0 on | |
946 | decoder->reg[REG_ADDR(0x87)] = 0x01; // I-Port | |
947 | decoder->reg[REG_ADDR(0x12)] = 0xc9; // RTS0 | |
948 | ||
949 | decoder->reg[REG_ADDR(0x02)] = 0xc0; // set composite1 input, aveasy | |
950 | decoder->reg[REG_ADDR(0x09)] = 0x00; // chrominance trap | |
951 | decoder->reg[REG_ADDR(0x0e)] |= 1; // combfilter on | |
952 | ||
953 | ||
954 | dprintk(1, KERN_DEBUG "%s_attach: starting decoder init\n", | |
955 | I2C_NAME(client)); | |
956 | ||
957 | err[0] = | |
958 | saa7114_write_block(client, decoder->reg + (0x20 << 1), | |
959 | 0x10 << 1); | |
960 | err[1] = | |
961 | saa7114_write_block(client, decoder->reg + (0x30 << 1), | |
962 | 0x10 << 1); | |
963 | err[2] = | |
964 | saa7114_write_block(client, decoder->reg + (0x63 << 1), | |
965 | (0x7f + 1 - 0x63) << 1); | |
966 | err[3] = | |
967 | saa7114_write_block(client, decoder->reg + (0x89 << 1), | |
968 | 6 << 1); | |
969 | err[4] = | |
970 | saa7114_write_block(client, decoder->reg + (0xb8 << 1), | |
971 | 8 << 1); | |
972 | err[5] = | |
973 | saa7114_write_block(client, decoder->reg + (0xe8 << 1), | |
974 | 8 << 1); | |
975 | ||
976 | ||
977 | for (i = 0; i <= 5; i++) { | |
978 | if (err[i] < 0) { | |
979 | dprintk(1, | |
980 | KERN_ERR | |
981 | "%s_attach: init error %d at stage %d, leaving attach.\n", | |
982 | I2C_NAME(client), i, err[i]); | |
983 | kfree(decoder); | |
984 | kfree(client); | |
985 | return 0; | |
986 | } | |
987 | } | |
988 | ||
989 | for (i = 6; i < 8; i++) { | |
990 | dprintk(1, | |
991 | KERN_DEBUG | |
992 | "%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n", | |
993 | I2C_NAME(client), i, saa7114_read(client, i), | |
994 | decoder->reg[REG_ADDR(i)]); | |
995 | } | |
996 | ||
997 | dprintk(1, | |
998 | KERN_DEBUG | |
999 | "%s_attach: performing decoder reset sequence\n", | |
1000 | I2C_NAME(client)); | |
1001 | ||
1002 | err[6] = saa7114_write(client, 0x80, 0x06); // i-port and scaler backend clock selection, task A&B off | |
1003 | err[7] = saa7114_write(client, 0x88, 0xd8); // sw reset scaler | |
1004 | err[8] = saa7114_write(client, 0x88, 0xf8); // sw reset scaler release | |
1005 | ||
1006 | for (i = 6; i <= 8; i++) { | |
1007 | if (err[i] < 0) { | |
1008 | dprintk(1, | |
1009 | KERN_ERR | |
1010 | "%s_attach: init error %d at stage %d, leaving attach.\n", | |
1011 | I2C_NAME(client), i, err[i]); | |
1012 | kfree(decoder); | |
1013 | kfree(client); | |
1014 | return 0; | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | dprintk(1, KERN_INFO "%s_attach: performing the rest of init\n", | |
1019 | I2C_NAME(client)); | |
1020 | ||
1021 | ||
1022 | err[9] = saa7114_write(client, 0x01, decoder->reg[REG_ADDR(0x01)]); | |
1023 | err[10] = saa7114_write_block(client, decoder->reg + (0x03 << 1), (0x1e + 1 - 0x03) << 1); // big seq | |
1024 | err[11] = saa7114_write_block(client, decoder->reg + (0x40 << 1), (0x5f + 1 - 0x40) << 1); // slicer | |
1025 | err[12] = saa7114_write_block(client, decoder->reg + (0x81 << 1), 2 << 1); // ? | |
1026 | err[13] = saa7114_write_block(client, decoder->reg + (0x83 << 1), 5 << 1); // ? | |
1027 | err[14] = saa7114_write_block(client, decoder->reg + (0x90 << 1), 4 << 1); // Task A | |
1028 | err[15] = | |
1029 | saa7114_write_block(client, decoder->reg + (0x94 << 1), | |
1030 | 12 << 1); | |
1031 | err[16] = | |
1032 | saa7114_write_block(client, decoder->reg + (0xa0 << 1), | |
1033 | 8 << 1); | |
1034 | err[17] = | |
1035 | saa7114_write_block(client, decoder->reg + (0xa8 << 1), | |
1036 | 8 << 1); | |
1037 | err[18] = | |
1038 | saa7114_write_block(client, decoder->reg + (0xb0 << 1), | |
1039 | 8 << 1); | |
1040 | err[19] = saa7114_write_block(client, decoder->reg + (0xc0 << 1), 4 << 1); // Task B | |
1041 | err[15] = | |
1042 | saa7114_write_block(client, decoder->reg + (0xc4 << 1), | |
1043 | 12 << 1); | |
1044 | err[16] = | |
1045 | saa7114_write_block(client, decoder->reg + (0xd0 << 1), | |
1046 | 8 << 1); | |
1047 | err[17] = | |
1048 | saa7114_write_block(client, decoder->reg + (0xd8 << 1), | |
1049 | 8 << 1); | |
1050 | err[18] = | |
1051 | saa7114_write_block(client, decoder->reg + (0xe0 << 1), | |
1052 | 8 << 1); | |
1053 | ||
1054 | for (i = 9; i <= 18; i++) { | |
1055 | if (err[i] < 0) { | |
1056 | dprintk(1, | |
1057 | KERN_ERR | |
1058 | "%s_attach: init error %d at stage %d, leaving attach.\n", | |
1059 | I2C_NAME(client), i, err[i]); | |
1060 | kfree(decoder); | |
1061 | kfree(client); | |
1062 | return 0; | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | ||
1067 | for (i = 6; i < 8; i++) { | |
1068 | dprintk(1, | |
1069 | KERN_DEBUG | |
1070 | "%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n", | |
1071 | I2C_NAME(client), i, saa7114_read(client, i), | |
1072 | decoder->reg[REG_ADDR(i)]); | |
1073 | } | |
1074 | ||
1075 | ||
1076 | for (i = 0x11; i <= 0x13; i++) { | |
1077 | dprintk(1, | |
1078 | KERN_DEBUG | |
1079 | "%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n", | |
1080 | I2C_NAME(client), i, saa7114_read(client, i), | |
1081 | decoder->reg[REG_ADDR(i)]); | |
1082 | } | |
1083 | ||
1084 | ||
1085 | dprintk(1, KERN_DEBUG "%s_attach: setting video input\n", | |
1086 | I2C_NAME(client)); | |
1087 | ||
1088 | err[19] = | |
1089 | saa7114_write(client, 0x02, decoder->reg[REG_ADDR(0x02)]); | |
1090 | err[20] = | |
1091 | saa7114_write(client, 0x09, decoder->reg[REG_ADDR(0x09)]); | |
1092 | err[21] = | |
1093 | saa7114_write(client, 0x0e, decoder->reg[REG_ADDR(0x0e)]); | |
1094 | ||
1095 | for (i = 19; i <= 21; i++) { | |
1096 | if (err[i] < 0) { | |
1097 | dprintk(1, | |
1098 | KERN_ERR | |
1099 | "%s_attach: init error %d at stage %d, leaving attach.\n", | |
1100 | I2C_NAME(client), i, err[i]); | |
1101 | kfree(decoder); | |
1102 | kfree(client); | |
1103 | return 0; | |
1104 | } | |
1105 | } | |
1106 | ||
1107 | dprintk(1, | |
1108 | KERN_DEBUG | |
1109 | "%s_attach: performing decoder reset sequence\n", | |
1110 | I2C_NAME(client)); | |
1111 | ||
1112 | err[22] = saa7114_write(client, 0x88, 0xd8); // sw reset scaler | |
1113 | err[23] = saa7114_write(client, 0x88, 0xf8); // sw reset scaler release | |
1114 | err[24] = saa7114_write(client, 0x80, 0x36); // i-port and scaler backend clock selection, task A&B off | |
1115 | ||
1116 | ||
1117 | for (i = 22; i <= 24; i++) { | |
1118 | if (err[i] < 0) { | |
1119 | dprintk(1, | |
1120 | KERN_ERR | |
1121 | "%s_attach: init error %d at stage %d, leaving attach.\n", | |
1122 | I2C_NAME(client), i, err[i]); | |
1123 | kfree(decoder); | |
1124 | kfree(client); | |
1125 | return 0; | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | err[25] = saa7114_write(client, 0x06, init[REG_ADDR(0x06)]); | |
1130 | err[26] = saa7114_write(client, 0x07, init[REG_ADDR(0x07)]); | |
1131 | err[27] = saa7114_write(client, 0x10, init[REG_ADDR(0x10)]); | |
1132 | ||
1133 | dprintk(1, | |
1134 | KERN_INFO | |
1135 | "%s_attach: chip version %x, decoder status 0x%02x\n", | |
1136 | I2C_NAME(client), saa7114_read(client, 0x00) >> 4, | |
1137 | saa7114_read(client, 0x1f)); | |
1138 | dprintk(1, | |
1139 | KERN_DEBUG | |
1140 | "%s_attach: power save control: 0x%02x, scaler status: 0x%02x\n", | |
1141 | I2C_NAME(client), saa7114_read(client, 0x88), | |
1142 | saa7114_read(client, 0x8f)); | |
1143 | ||
1144 | ||
1145 | for (i = 0x94; i < 0x96; i++) { | |
1146 | dprintk(1, | |
1147 | KERN_DEBUG | |
1148 | "%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n", | |
1149 | I2C_NAME(client), i, saa7114_read(client, i), | |
1150 | decoder->reg[REG_ADDR(i)]); | |
1151 | } | |
1152 | ||
1153 | i = i2c_attach_client(client); | |
1154 | if (i) { | |
1155 | kfree(client); | |
1156 | kfree(decoder); | |
1157 | return i; | |
1158 | } | |
1159 | ||
1160 | //i = saa7114_write_block(client, init, sizeof(init)); | |
1161 | i = 0; | |
1162 | if (i < 0) { | |
1163 | dprintk(1, KERN_ERR "%s_attach error: init status %d\n", | |
1164 | I2C_NAME(client), i); | |
1165 | } else { | |
1166 | dprintk(1, | |
1167 | KERN_INFO | |
1168 | "%s_attach: chip version %x at address 0x%x\n", | |
1169 | I2C_NAME(client), saa7114_read(client, 0x00) >> 4, | |
1170 | client->addr << 1); | |
1171 | } | |
1172 | ||
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | static int | |
1177 | saa7114_attach_adapter (struct i2c_adapter *adapter) | |
1178 | { | |
1179 | dprintk(1, | |
1180 | KERN_INFO | |
1181 | "saa7114.c: starting probe for adapter %s (0x%x)\n", | |
1182 | I2C_NAME(adapter), adapter->id); | |
1183 | return i2c_probe(adapter, &addr_data, &saa7114_detect_client); | |
1184 | } | |
1185 | ||
1186 | static int | |
1187 | saa7114_detach_client (struct i2c_client *client) | |
1188 | { | |
1189 | struct saa7114 *decoder = i2c_get_clientdata(client); | |
1190 | int err; | |
1191 | ||
1192 | err = i2c_detach_client(client); | |
1193 | if (err) { | |
1194 | return err; | |
1195 | } | |
1196 | ||
1197 | kfree(decoder); | |
1198 | kfree(client); | |
1199 | ||
1200 | return 0; | |
1201 | } | |
1202 | ||
1203 | /* ----------------------------------------------------------------------- */ | |
1204 | ||
1205 | static struct i2c_driver i2c_driver_saa7114 = { | |
604f28e2 | 1206 | .driver = { |
604f28e2 LR |
1207 | .name = "saa7114", |
1208 | }, | |
1da177e4 LT |
1209 | |
1210 | .id = I2C_DRIVERID_SAA7114, | |
1da177e4 LT |
1211 | |
1212 | .attach_adapter = saa7114_attach_adapter, | |
1213 | .detach_client = saa7114_detach_client, | |
1214 | .command = saa7114_command, | |
1215 | }; | |
1216 | ||
1217 | static int __init | |
1218 | saa7114_init (void) | |
1219 | { | |
1220 | return i2c_add_driver(&i2c_driver_saa7114); | |
1221 | } | |
1222 | ||
1223 | static void __exit | |
1224 | saa7114_exit (void) | |
1225 | { | |
1226 | i2c_del_driver(&i2c_driver_saa7114); | |
1227 | } | |
1228 | ||
1229 | module_init(saa7114_init); | |
1230 | module_exit(saa7114_exit); |