Commit | Line | Data |
---|---|---|
e19b2fcc HV |
1 | /* saa7115 - Philips SAA7114/SAA7115 video decoder driver |
2 | * | |
3 | * Based on saa7114 driver by Maxim Yevtyushkin, which is based on | |
4 | * the saa7111 driver by Dave Perks. | |
5 | * | |
6 | * Copyright (C) 1998 Dave Perks <dperks@ibm.net> | |
7 | * Copyright (C) 2002 Maxim Yevtyushkin <max@linuxmedialabs.com> | |
8 | * | |
9 | * Slight changes for video timing and attachment output by | |
10 | * Wolfgang Scherr <scherr@net4you.net> | |
11 | * | |
12 | * Moved over to the linux >= 2.4.x i2c protocol (1/1/2003) | |
13 | * by Ronald Bultje <rbultje@ronald.bitfreak.net> | |
14 | * | |
15 | * Added saa7115 support by Kevin Thayer <nufan_wfk at yahoo.com> | |
16 | * (2/17/2003) | |
17 | * | |
18 | * VBI support (2004) and cleanups (2005) by Hans Verkuil <hverkuil@xs4all.nl> | |
19 | * | |
20 | * This program is free software; you can redistribute it and/or | |
21 | * modify it under the terms of the GNU General Public License | |
22 | * as published by the Free Software Foundation; either version 2 | |
23 | * of the License, or (at your option) any later version. | |
24 | * | |
25 | * This program is distributed in the hope that it will be useful, | |
26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
28 | * GNU General Public License for more details. | |
29 | * | |
30 | * You should have received a copy of the GNU General Public License | |
31 | * along with this program; if not, write to the Free Software | |
32 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
33 | */ | |
34 | ||
35 | ||
36 | #include <linux/kernel.h> | |
37 | #include <linux/module.h> | |
38 | #include <linux/slab.h> | |
39 | #include <linux/i2c.h> | |
40 | #include <linux/videodev2.h> | |
e19b2fcc HV |
41 | #include <media/v4l2-common.h> |
42 | ||
43 | MODULE_DESCRIPTION("Philips SAA7114/SAA7115 video decoder driver"); | |
1f4b3365 | 44 | MODULE_AUTHOR("Maxim Yevtyushkin, Kevin Thayer, Chris Kennedy, Hans Verkuil"); |
e19b2fcc HV |
45 | MODULE_LICENSE("GPL"); |
46 | ||
47 | static int debug = 0; | |
48 | module_param(debug, int, 0644); | |
49 | ||
50 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | |
51 | ||
52 | #define saa7115_dbg(fmt,arg...) \ | |
53 | do { \ | |
54 | if (debug) \ | |
604f28e2 LR |
55 | printk(KERN_INFO "%s debug %d-%04x: " fmt, \ |
56 | client->driver->driver.name, \ | |
e19b2fcc HV |
57 | i2c_adapter_id(client->adapter), client->addr , ## arg); \ |
58 | } while (0) | |
59 | ||
60 | #define saa7115_err(fmt, arg...) do { \ | |
604f28e2 | 61 | printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->driver.name, \ |
e19b2fcc HV |
62 | i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) |
63 | #define saa7115_info(fmt, arg...) do { \ | |
604f28e2 | 64 | printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->driver.name, \ |
e19b2fcc HV |
65 | i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) |
66 | ||
67 | static unsigned short normal_i2c[] = { 0x42 >> 1, 0x40 >> 1, I2C_CLIENT_END }; | |
68 | ||
69 | ||
70 | I2C_CLIENT_INSMOD; | |
71 | ||
72 | struct saa7115_state { | |
73 | v4l2_std_id std; | |
74 | int input; | |
75 | int enable; | |
76 | int bright; | |
77 | int contrast; | |
78 | int hue; | |
79 | int sat; | |
80 | enum v4l2_chip_ident ident; | |
81 | enum v4l2_audio_clock_freq audclk_freq; | |
82 | }; | |
83 | ||
84 | /* ----------------------------------------------------------------------- */ | |
85 | ||
86 | static inline int saa7115_write(struct i2c_client *client, u8 reg, u8 value) | |
87 | { | |
88 | return i2c_smbus_write_byte_data(client, reg, value); | |
89 | } | |
90 | ||
91 | static int saa7115_writeregs(struct i2c_client *client, const unsigned char *regs) | |
92 | { | |
93 | unsigned char reg, data; | |
94 | ||
95 | while (*regs != 0x00) { | |
96 | reg = *(regs++); | |
97 | data = *(regs++); | |
98 | if (saa7115_write(client, reg, data) < 0) | |
99 | return -1; | |
100 | } | |
101 | return 0; | |
102 | } | |
103 | ||
104 | static inline int saa7115_read(struct i2c_client *client, u8 reg) | |
105 | { | |
106 | return i2c_smbus_read_byte_data(client, reg); | |
107 | } | |
108 | ||
109 | /* ----------------------------------------------------------------------- */ | |
110 | ||
111 | /* If a value differs from the Hauppauge driver values, then the comment starts with | |
112 | 'was 0xXX' to denote the Hauppauge value. Otherwise the value is identical to what the | |
113 | Hauppauge driver sets. */ | |
114 | ||
115 | static const unsigned char saa7115_init_auto_input[] = { | |
116 | 0x01, 0x48, /* white peak control disabled */ | |
117 | 0x03, 0x20, /* was 0x30. 0x20: long vertical blanking */ | |
118 | 0x04, 0x90, /* analog gain set to 0 */ | |
119 | 0x05, 0x90, /* analog gain set to 0 */ | |
120 | 0x06, 0xeb, /* horiz sync begin = -21 */ | |
121 | 0x07, 0xe0, /* horiz sync stop = -17 */ | |
122 | 0x0a, 0x80, /* was 0x88. decoder brightness, 0x80 is itu standard */ | |
123 | 0x0b, 0x44, /* was 0x48. decoder contrast, 0x44 is itu standard */ | |
124 | 0x0c, 0x40, /* was 0x47. decoder saturation, 0x40 is itu standard */ | |
125 | 0x0d, 0x00, /* chrominance hue control */ | |
126 | 0x0f, 0x00, /* chrominance gain control: use automicatic mode */ | |
127 | 0x10, 0x06, /* chrominance/luminance control: active adaptive combfilter */ | |
128 | 0x11, 0x00, /* delay control */ | |
129 | 0x12, 0x9d, /* RTS0 output control: VGATE */ | |
130 | 0x13, 0x80, /* X-port output control: ITU656 standard mode, RTCO output enable RTCE */ | |
131 | 0x14, 0x00, /* analog/ADC/auto compatibility control */ | |
132 | 0x18, 0x40, /* raw data gain 0x00 = nominal */ | |
133 | 0x19, 0x80, /* raw data offset 0x80 = 0 LSB */ | |
134 | 0x1a, 0x77, /* color killer level control 0x77 = recommended */ | |
135 | 0x1b, 0x42, /* misc chroma control 0x42 = recommended */ | |
136 | 0x1c, 0xa9, /* combfilter control 0xA9 = recommended */ | |
137 | 0x1d, 0x01, /* combfilter control 0x01 = recommended */ | |
138 | 0x88, 0xd0, /* reset device */ | |
139 | 0x88, 0xf0, /* set device programmed, all in operational mode */ | |
140 | 0x00, 0x00 | |
141 | }; | |
142 | ||
143 | static const unsigned char saa7115_cfg_reset_scaler[] = { | |
144 | 0x87, 0x00, /* disable I-port output */ | |
145 | 0x88, 0xd0, /* reset scaler */ | |
146 | 0x88, 0xf0, /* activate scaler */ | |
147 | 0x87, 0x01, /* enable I-port output */ | |
148 | 0x00, 0x00 | |
149 | }; | |
150 | ||
151 | /* ============== SAA7715 VIDEO templates ============= */ | |
152 | ||
153 | static const unsigned char saa7115_cfg_60hz_fullres_x[] = { | |
154 | 0xcc, 0xd0, /* hsize low (output), hor. output window size = 0x2d0 = 720 */ | |
155 | 0xcd, 0x02, /* hsize hi (output) */ | |
156 | ||
157 | /* Why not in 60hz-Land, too? */ | |
158 | 0xd0, 0x01, /* downscale = 1 */ | |
159 | 0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */ | |
160 | 0xd9, 0x04, | |
161 | 0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */ | |
162 | 0xdd, 0x02, /* H-scaling incr chroma */ | |
163 | ||
164 | 0x00, 0x00 | |
165 | }; | |
166 | static const unsigned char saa7115_cfg_60hz_fullres_y[] = { | |
167 | 0xce, 0xf8, /* vsize low (output), ver. output window size = 248 (but 60hz is 240?) */ | |
168 | 0xcf, 0x00, /* vsize hi (output) */ | |
169 | ||
170 | /* Why not in 60hz-Land, too? */ | |
171 | 0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */ | |
172 | 0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */ | |
173 | ||
174 | 0xe0, 0x00, /* V-scaling incr luma low */ | |
175 | 0xe1, 0x04, /* " hi */ | |
176 | 0xe2, 0x00, /* V-scaling incr chroma low */ | |
177 | 0xe3, 0x04, /* " hi */ | |
178 | ||
179 | 0x00, 0x00 | |
180 | }; | |
181 | ||
182 | static const unsigned char saa7115_cfg_60hz_video[] = { | |
183 | 0x80, 0x00, /* reset tasks */ | |
184 | 0x88, 0xd0, /* reset scaler */ | |
185 | ||
186 | 0x15, 0x03, /* VGATE pulse start */ | |
187 | 0x16, 0x11, /* VGATE pulse stop */ | |
188 | 0x17, 0x9c, /* VGATE MSB and other values */ | |
189 | ||
190 | 0x08, 0x68, /* 0xBO: auto detection, 0x68 = NTSC */ | |
191 | 0x0e, 0x07, /* lots of different stuff... video autodetection is on */ | |
192 | ||
193 | 0x5a, 0x06, /* Vertical offset, standard 60hz value for ITU656 line counting */ | |
194 | ||
195 | /* Task A */ | |
196 | 0x90, 0x80, /* Task Handling Control */ | |
197 | 0x91, 0x48, /* X-port formats/config */ | |
198 | 0x92, 0x40, /* Input Ref. signal Def. */ | |
199 | 0x93, 0x84, /* I-port config */ | |
200 | 0x94, 0x01, /* hoffset low (input), 0x0002 is minimum */ | |
201 | 0x95, 0x00, /* hoffset hi (input) */ | |
202 | 0x96, 0xd0, /* hsize low (input), 0x02d0 = 720 */ | |
203 | 0x97, 0x02, /* hsize hi (input) */ | |
204 | 0x98, 0x05, /* voffset low (input) */ | |
205 | 0x99, 0x00, /* voffset hi (input) */ | |
206 | 0x9a, 0x0c, /* vsize low (input), 0x0c = 12 */ | |
207 | 0x9b, 0x00, /* vsize hi (input) */ | |
208 | 0x9c, 0xa0, /* hsize low (output), 0x05a0 = 1440 */ | |
209 | 0x9d, 0x05, /* hsize hi (output) */ | |
210 | 0x9e, 0x0c, /* vsize low (output), 0x0c = 12 */ | |
211 | 0x9f, 0x00, /* vsize hi (output) */ | |
212 | ||
213 | /* Task B */ | |
214 | 0xc0, 0x00, /* Task Handling Control */ | |
215 | 0xc1, 0x08, /* X-port formats/config */ | |
216 | 0xc2, 0x00, /* Input Ref. signal Def. */ | |
217 | 0xc3, 0x80, /* I-port config */ | |
218 | 0xc4, 0x02, /* hoffset low (input), 0x0002 is minimum */ | |
219 | 0xc5, 0x00, /* hoffset hi (input) */ | |
220 | 0xc6, 0xd0, /* hsize low (input), 0x02d0 = 720 */ | |
221 | 0xc7, 0x02, /* hsize hi (input) */ | |
222 | 0xc8, 0x12, /* voffset low (input), 0x12 = 18 */ | |
223 | 0xc9, 0x00, /* voffset hi (input) */ | |
224 | 0xca, 0xf8, /* vsize low (input), 0xf8 = 248 */ | |
225 | 0xcb, 0x00, /* vsize hi (input) */ | |
226 | 0xcc, 0xd0, /* hsize low (output), 0x02d0 = 720 */ | |
227 | 0xcd, 0x02, /* hsize hi (output) */ | |
228 | ||
229 | 0xf0, 0xad, /* Set PLL Register. 60hz 525 lines per frame, 27 MHz */ | |
230 | 0xf1, 0x05, /* low bit with 0xF0 */ | |
231 | 0xf5, 0xad, /* Set pulse generator register */ | |
232 | 0xf6, 0x01, | |
233 | ||
234 | 0x87, 0x00, /* Disable I-port output */ | |
235 | 0x88, 0xd0, /* reset scaler */ | |
236 | 0x80, 0x20, /* Activate only task "B", continuous mode (was 0xA0) */ | |
237 | 0x88, 0xf0, /* activate scaler */ | |
238 | 0x87, 0x01, /* Enable I-port output */ | |
239 | 0x00, 0x00 | |
240 | }; | |
241 | ||
242 | static const unsigned char saa7115_cfg_50hz_fullres_x[] = { | |
243 | 0xcc, 0xd0, /* hsize low (output), 720 same as 60hz */ | |
244 | 0xcd, 0x02, /* hsize hi (output) */ | |
245 | ||
246 | 0xd0, 0x01, /* down scale = 1 */ | |
247 | 0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */ | |
248 | 0xd9, 0x04, | |
249 | 0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */ | |
250 | 0xdd, 0x02, /* H-scaling incr chroma */ | |
251 | ||
252 | 0x00, 0x00 | |
253 | }; | |
254 | static const unsigned char saa7115_cfg_50hz_fullres_y[] = { | |
255 | 0xce, 0x20, /* vsize low (output), 0x0120 = 288 */ | |
256 | 0xcf, 0x01, /* vsize hi (output) */ | |
257 | ||
258 | 0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */ | |
259 | 0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */ | |
260 | ||
261 | 0xe0, 0x00, /* V-scaling incr luma low */ | |
262 | 0xe1, 0x04, /* " hi */ | |
263 | 0xe2, 0x00, /* V-scaling incr chroma low */ | |
264 | 0xe3, 0x04, /* " hi */ | |
265 | ||
266 | 0x00, 0x00 | |
267 | }; | |
268 | ||
269 | static const unsigned char saa7115_cfg_50hz_video[] = { | |
270 | 0x80, 0x00, /* reset tasks */ | |
271 | 0x88, 0xd0, /* reset scaler */ | |
272 | ||
273 | 0x15, 0x37, /* VGATE start */ | |
274 | 0x16, 0x16, /* VGATE stop */ | |
275 | 0x17, 0x99, /* VGATE MSB and other values */ | |
276 | ||
277 | 0x08, 0x28, /* 0x28 = PAL */ | |
278 | 0x0e, 0x07, /* chrominance control 1 */ | |
279 | ||
280 | 0x5a, 0x03, /* Vertical offset, standard 50hz value */ | |
281 | ||
282 | /* Task A */ | |
283 | 0x90, 0x81, /* Task Handling Control */ | |
284 | 0x91, 0x48, /* X-port formats/config */ | |
285 | 0x92, 0x40, /* Input Ref. signal Def. */ | |
286 | 0x93, 0x84, /* I-port config */ | |
287 | /* This is weird: the datasheet says that you should use 2 as the minimum value, */ | |
288 | /* but Hauppauge uses 0, and changing that to 2 causes indeed problems (for 50hz) */ | |
289 | 0x94, 0x00, /* hoffset low (input), 0x0002 is minimum */ | |
290 | 0x95, 0x00, /* hoffset hi (input) */ | |
291 | 0x96, 0xd0, /* hsize low (input), 0x02d0 = 720 */ | |
292 | 0x97, 0x02, /* hsize hi (input) */ | |
293 | 0x98, 0x03, /* voffset low (input) */ | |
294 | 0x99, 0x00, /* voffset hi (input) */ | |
295 | 0x9a, 0x12, /* vsize low (input), 0x12 = 18 */ | |
296 | 0x9b, 0x00, /* vsize hi (input) */ | |
297 | 0x9c, 0xa0, /* hsize low (output), 0x05a0 = 1440 */ | |
298 | 0x9d, 0x05, /* hsize hi (output) */ | |
299 | 0x9e, 0x12, /* vsize low (output), 0x12 = 18 */ | |
300 | 0x9f, 0x00, /* vsize hi (output) */ | |
301 | ||
302 | /* Task B */ | |
303 | 0xc0, 0x00, /* Task Handling Control */ | |
304 | 0xc1, 0x08, /* X-port formats/config */ | |
305 | 0xc2, 0x00, /* Input Ref. signal Def. */ | |
306 | 0xc3, 0x80, /* I-port config */ | |
307 | 0xc4, 0x00, /* hoffset low (input), 0x0002 is minimum. See comment at 0x94 above. */ | |
308 | 0xc5, 0x00, /* hoffset hi (input) */ | |
309 | 0xc6, 0xd0, /* hsize low (input), 0x02d0 = 720 */ | |
310 | 0xc7, 0x02, /* hsize hi (input) */ | |
311 | 0xc8, 0x16, /* voffset low (input), 0x16 = 22 */ | |
312 | 0xc9, 0x00, /* voffset hi (input) */ | |
313 | 0xca, 0x20, /* vsize low (input), 0x0120 = 288 */ | |
314 | 0xcb, 0x01, /* vsize hi (input) */ | |
315 | 0xcc, 0xd0, /* hsize low (output), 0x02d0 = 720 */ | |
316 | 0xcd, 0x02, /* hsize hi (output) */ | |
317 | 0xce, 0x20, /* vsize low (output), 0x0120 = 288 */ | |
318 | 0xcf, 0x01, /* vsize hi (output) */ | |
319 | ||
320 | 0xf0, 0xb0, /* Set PLL Register. 50hz 625 lines per frame, 27 MHz */ | |
321 | 0xf1, 0x05, /* low bit with 0xF0, (was 0x05) */ | |
322 | 0xf5, 0xb0, /* Set pulse generator register */ | |
323 | 0xf6, 0x01, | |
324 | ||
325 | 0x87, 0x00, /* Disable I-port output */ | |
326 | 0x88, 0xd0, /* reset scaler (was 0xD0) */ | |
327 | 0x80, 0x20, /* Activate only task "B" */ | |
328 | 0x88, 0xf0, /* activate scaler */ | |
329 | 0x87, 0x01, /* Enable I-port output */ | |
330 | 0x00, 0x00 | |
331 | }; | |
332 | ||
333 | /* ============== SAA7715 VIDEO templates (end) ======= */ | |
334 | ||
335 | static const unsigned char saa7115_cfg_vbi_on[] = { | |
336 | 0x80, 0x00, /* reset tasks */ | |
337 | 0x88, 0xd0, /* reset scaler */ | |
338 | 0x80, 0x30, /* Activate both tasks */ | |
339 | 0x88, 0xf0, /* activate scaler */ | |
340 | 0x87, 0x01, /* Enable I-port output */ | |
341 | 0x00, 0x00 | |
342 | }; | |
343 | ||
344 | static const unsigned char saa7115_cfg_vbi_off[] = { | |
345 | 0x80, 0x00, /* reset tasks */ | |
346 | 0x88, 0xd0, /* reset scaler */ | |
347 | 0x80, 0x20, /* Activate only task "B" */ | |
348 | 0x88, 0xf0, /* activate scaler */ | |
349 | 0x87, 0x01, /* Enable I-port output */ | |
350 | 0x00, 0x00 | |
351 | }; | |
352 | ||
353 | static const unsigned char saa7115_init_misc[] = { | |
354 | 0x38, 0x03, /* audio stuff */ | |
355 | 0x39, 0x10, | |
356 | 0x3a, 0x08, | |
357 | ||
358 | 0x81, 0x01, /* reg 0x15,0x16 define blanking window */ | |
359 | 0x82, 0x00, | |
360 | 0x83, 0x01, /* I port settings */ | |
361 | 0x84, 0x20, | |
362 | 0x85, 0x21, | |
363 | 0x86, 0xc5, | |
364 | 0x87, 0x01, | |
365 | ||
366 | /* Task A */ | |
367 | 0xa0, 0x01, /* down scale = 1 */ | |
368 | 0xa1, 0x00, /* prescale accumulation length = 1 */ | |
369 | 0xa2, 0x00, /* dc gain and fir prefilter control */ | |
370 | 0xa4, 0x80, /* Lum Brightness, nominal value = 0x80 */ | |
371 | 0xa5, 0x40, /* Lum contrast, nominal value = 0x40 */ | |
372 | 0xa6, 0x40, /* Chroma satur. nominal value = 0x80 */ | |
373 | 0xa8, 0x00, /* hor lum scaling 0x0200 = 2 zoom */ | |
374 | 0xa9, 0x02, /* note: 2 x zoom ensures that VBI lines have same length as video lines. */ | |
375 | 0xaa, 0x00, /* H-phase offset Luma = 0 */ | |
376 | 0xac, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */ | |
377 | 0xad, 0x01, /* H-scaling incr chroma */ | |
378 | 0xae, 0x00, /* H-phase offset chroma. must be offset luma / 2 */ | |
379 | ||
380 | 0xb0, 0x00, /* V-scaling incr luma low */ | |
381 | 0xb1, 0x04, /* " hi */ | |
382 | 0xb2, 0x00, /* V-scaling incr chroma low */ | |
383 | 0xb3, 0x04, /* " hi */ | |
384 | 0xb4, 0x01, /* V-scaling mode control */ | |
385 | 0xb8, 0x00, /* V-phase offset chroma 00 */ | |
386 | 0xb9, 0x00, /* V-phase offset chroma 01 */ | |
387 | 0xba, 0x00, /* V-phase offset chroma 10 */ | |
388 | 0xbb, 0x00, /* V-phase offset chroma 11 */ | |
389 | 0xbc, 0x00, /* V-phase offset luma 00 */ | |
390 | 0xbd, 0x00, /* V-phase offset luma 01 */ | |
391 | 0xbe, 0x00, /* V-phase offset luma 10 */ | |
392 | 0xbf, 0x00, /* V-phase offset luma 11 */ | |
393 | ||
394 | /* Task B */ | |
395 | 0xd0, 0x01, /* down scale = 1 */ | |
396 | 0xd1, 0x00, /* prescale accumulation length = 1 */ | |
397 | 0xd2, 0x00, /* dc gain and fir prefilter control */ | |
398 | 0xd4, 0x80, /* Lum Brightness, nominal value = 0x80 */ | |
399 | 0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */ | |
400 | 0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */ | |
401 | 0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */ | |
402 | 0xd9, 0x04, | |
403 | 0xda, 0x00, /* H-phase offset Luma = 0 */ | |
404 | 0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */ | |
405 | 0xdd, 0x02, /* H-scaling incr chroma */ | |
406 | 0xde, 0x00, /* H-phase offset chroma. must be offset luma / 2 */ | |
407 | ||
408 | 0xe0, 0x00, /* V-scaling incr luma low */ | |
409 | 0xe1, 0x04, /* " hi */ | |
410 | 0xe2, 0x00, /* V-scaling incr chroma low */ | |
411 | 0xe3, 0x04, /* " hi */ | |
412 | 0xe4, 0x01, /* V-scaling mode control */ | |
413 | 0xe8, 0x00, /* V-phase offset chroma 00 */ | |
414 | 0xe9, 0x00, /* V-phase offset chroma 01 */ | |
415 | 0xea, 0x00, /* V-phase offset chroma 10 */ | |
416 | 0xeb, 0x00, /* V-phase offset chroma 11 */ | |
417 | 0xec, 0x00, /* V-phase offset luma 00 */ | |
418 | 0xed, 0x00, /* V-phase offset luma 01 */ | |
419 | 0xee, 0x00, /* V-phase offset luma 10 */ | |
420 | 0xef, 0x00, /* V-phase offset luma 11 */ | |
421 | ||
422 | 0xf2, 0x50, /* crystal clock = 24.576 MHz, target = 27MHz */ | |
423 | 0xf3, 0x46, | |
424 | 0xf4, 0x00, | |
425 | 0xf7, 0x4b, /* not the recommended settings! */ | |
426 | 0xf8, 0x00, | |
427 | 0xf9, 0x4b, | |
428 | 0xfa, 0x00, | |
429 | 0xfb, 0x4b, | |
430 | 0xff, 0x88, /* PLL2 lock detection settings: 71 lines 50% phase error */ | |
431 | ||
432 | /* Turn off VBI */ | |
433 | 0x40, 0x20, /* No framing code errors allowed. */ | |
434 | 0x41, 0xff, | |
435 | 0x42, 0xff, | |
436 | 0x43, 0xff, | |
437 | 0x44, 0xff, | |
438 | 0x45, 0xff, | |
439 | 0x46, 0xff, | |
440 | 0x47, 0xff, | |
441 | 0x48, 0xff, | |
442 | 0x49, 0xff, | |
443 | 0x4a, 0xff, | |
444 | 0x4b, 0xff, | |
445 | 0x4c, 0xff, | |
446 | 0x4d, 0xff, | |
447 | 0x4e, 0xff, | |
448 | 0x4f, 0xff, | |
449 | 0x50, 0xff, | |
450 | 0x51, 0xff, | |
451 | 0x52, 0xff, | |
452 | 0x53, 0xff, | |
453 | 0x54, 0xff, | |
454 | 0x55, 0xff, | |
455 | 0x56, 0xff, | |
456 | 0x57, 0xff, | |
457 | 0x58, 0x40, | |
458 | 0x59, 0x47, | |
459 | 0x5b, 0x83, | |
460 | 0x5d, 0xbd, | |
461 | 0x5e, 0x35, | |
462 | ||
463 | 0x02, 0x84, /* input tuner -> input 4, amplifier active */ | |
464 | 0x09, 0x53, /* 0x53, was 0x56 for 60hz. luminance control */ | |
465 | ||
466 | 0x80, 0x20, /* enable task B */ | |
467 | 0x88, 0xd0, | |
468 | 0x88, 0xf0, | |
469 | 0x00, 0x00 | |
470 | }; | |
471 | ||
472 | /* ============== SAA7715 AUDIO settings ============= */ | |
473 | ||
474 | /* 48.0 kHz */ | |
475 | static const unsigned char saa7115_cfg_48_audio[] = { | |
476 | 0x34, 0xce, | |
477 | 0x35, 0xfb, | |
478 | 0x36, 0x30, | |
479 | 0x00, 0x00 | |
480 | }; | |
481 | ||
482 | /* 44.1 kHz */ | |
483 | static const unsigned char saa7115_cfg_441_audio[] = { | |
484 | 0x34, 0xf2, | |
485 | 0x35, 0x00, | |
486 | 0x36, 0x2d, | |
487 | 0x00, 0x00 | |
488 | }; | |
489 | ||
490 | /* 32.0 kHz */ | |
491 | static const unsigned char saa7115_cfg_32_audio[] = { | |
492 | 0x34, 0xdf, | |
493 | 0x35, 0xa7, | |
494 | 0x36, 0x20, | |
495 | 0x00, 0x00 | |
496 | }; | |
497 | ||
498 | /* 48.0 kHz 60hz */ | |
499 | static const unsigned char saa7115_cfg_60hz_48_audio[] = { | |
500 | 0x30, 0xcd, | |
501 | 0x31, 0x20, | |
502 | 0x32, 0x03, | |
503 | 0x00, 0x00 | |
504 | }; | |
505 | ||
506 | /* 48.0 kHz 50hz */ | |
507 | static const unsigned char saa7115_cfg_50hz_48_audio[] = { | |
508 | 0x30, 0x00, | |
509 | 0x31, 0xc0, | |
510 | 0x32, 0x03, | |
511 | 0x00, 0x00 | |
512 | }; | |
513 | ||
514 | /* 44.1 kHz 60hz */ | |
515 | static const unsigned char saa7115_cfg_60hz_441_audio[] = { | |
516 | 0x30, 0xbc, | |
517 | 0x31, 0xdf, | |
518 | 0x32, 0x02, | |
519 | 0x00, 0x00 | |
520 | }; | |
521 | ||
522 | /* 44.1 kHz 50hz */ | |
523 | static const unsigned char saa7115_cfg_50hz_441_audio[] = { | |
524 | 0x30, 0x00, | |
525 | 0x31, 0x72, | |
526 | 0x32, 0x03, | |
527 | 0x00, 0x00 | |
528 | }; | |
529 | ||
530 | /* 32.0 kHz 60hz */ | |
531 | static const unsigned char saa7115_cfg_60hz_32_audio[] = { | |
532 | 0x30, 0xde, | |
533 | 0x31, 0x15, | |
534 | 0x32, 0x02, | |
535 | 0x00, 0x00 | |
536 | }; | |
537 | ||
538 | /* 32.0 kHz 50hz */ | |
539 | static const unsigned char saa7115_cfg_50hz_32_audio[] = { | |
540 | 0x30, 0x00, | |
541 | 0x31, 0x80, | |
542 | 0x32, 0x02, | |
543 | 0x00, 0x00 | |
544 | }; | |
545 | ||
546 | static int saa7115_odd_parity(u8 c) | |
547 | { | |
548 | c ^= (c >> 4); | |
549 | c ^= (c >> 2); | |
550 | c ^= (c >> 1); | |
551 | ||
552 | return c & 1; | |
553 | } | |
554 | ||
555 | static int saa7115_decode_vps(u8 * dst, u8 * p) | |
556 | { | |
557 | static const u8 biphase_tbl[] = { | |
558 | 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, | |
559 | 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, | |
560 | 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, | |
561 | 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, | |
562 | 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, | |
563 | 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, | |
564 | 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, | |
565 | 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, | |
566 | 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, | |
567 | 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, | |
568 | 0xc3, 0x4b, 0x43, 0xc3, 0x87, 0x0f, 0x07, 0x87, | |
569 | 0x83, 0x0b, 0x03, 0x83, 0xc3, 0x4b, 0x43, 0xc3, | |
570 | 0xc1, 0x49, 0x41, 0xc1, 0x85, 0x0d, 0x05, 0x85, | |
571 | 0x81, 0x09, 0x01, 0x81, 0xc1, 0x49, 0x41, 0xc1, | |
572 | 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, | |
573 | 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, | |
574 | 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, | |
575 | 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, | |
576 | 0xc2, 0x4a, 0x42, 0xc2, 0x86, 0x0e, 0x06, 0x86, | |
577 | 0x82, 0x0a, 0x02, 0x82, 0xc2, 0x4a, 0x42, 0xc2, | |
578 | 0xc0, 0x48, 0x40, 0xc0, 0x84, 0x0c, 0x04, 0x84, | |
579 | 0x80, 0x08, 0x00, 0x80, 0xc0, 0x48, 0x40, 0xc0, | |
580 | 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, | |
581 | 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, | |
582 | 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, | |
583 | 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, | |
584 | 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, | |
585 | 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, | |
586 | 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, | |
587 | 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, | |
588 | 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, | |
589 | 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, | |
590 | }; | |
591 | int i; | |
592 | u8 c, err = 0; | |
593 | ||
594 | for (i = 0; i < 2 * 13; i += 2) { | |
595 | err |= biphase_tbl[p[i]] | biphase_tbl[p[i + 1]]; | |
596 | c = (biphase_tbl[p[i + 1]] & 0xf) | ((biphase_tbl[p[i]] & 0xf) << 4); | |
597 | dst[i / 2] = c; | |
598 | } | |
599 | return err & 0xf0; | |
600 | } | |
601 | ||
602 | static int saa7115_decode_wss(u8 * p) | |
603 | { | |
604 | static const int wss_bits[8] = { | |
605 | 0, 0, 0, 1, 0, 1, 1, 1 | |
606 | }; | |
607 | unsigned char parity; | |
608 | int wss = 0; | |
609 | int i; | |
610 | ||
611 | for (i = 0; i < 16; i++) { | |
612 | int b1 = wss_bits[p[i] & 7]; | |
613 | int b2 = wss_bits[(p[i] >> 3) & 7]; | |
614 | ||
615 | if (b1 == b2) | |
616 | return -1; | |
617 | wss |= b2 << i; | |
618 | } | |
619 | parity = wss & 15; | |
620 | parity ^= parity >> 2; | |
621 | parity ^= parity >> 1; | |
622 | ||
623 | if (!(parity & 1)) | |
624 | return -1; | |
625 | ||
626 | return wss; | |
627 | } | |
628 | ||
629 | ||
630 | static int saa7115_set_audio_clock_freq(struct i2c_client *client, enum v4l2_audio_clock_freq freq) | |
631 | { | |
632 | struct saa7115_state *state = i2c_get_clientdata(client); | |
633 | ||
634 | saa7115_dbg("set audio clock freq: %d\n", freq); | |
635 | switch (freq) { | |
636 | case V4L2_AUDCLK_32_KHZ: | |
637 | saa7115_writeregs(client, saa7115_cfg_32_audio); | |
638 | if (state->std & V4L2_STD_525_60) { | |
639 | saa7115_writeregs(client, saa7115_cfg_60hz_32_audio); | |
640 | } else { | |
641 | saa7115_writeregs(client, saa7115_cfg_50hz_32_audio); | |
642 | } | |
643 | break; | |
644 | case V4L2_AUDCLK_441_KHZ: | |
645 | saa7115_writeregs(client, saa7115_cfg_441_audio); | |
646 | if (state->std & V4L2_STD_525_60) { | |
647 | saa7115_writeregs(client, saa7115_cfg_60hz_441_audio); | |
648 | } else { | |
649 | saa7115_writeregs(client, saa7115_cfg_50hz_441_audio); | |
650 | } | |
651 | break; | |
652 | case V4L2_AUDCLK_48_KHZ: | |
653 | saa7115_writeregs(client, saa7115_cfg_48_audio); | |
654 | if (state->std & V4L2_STD_525_60) { | |
655 | saa7115_writeregs(client, saa7115_cfg_60hz_48_audio); | |
656 | } else { | |
657 | saa7115_writeregs(client, saa7115_cfg_50hz_48_audio); | |
658 | } | |
659 | break; | |
660 | default: | |
661 | saa7115_dbg("invalid audio setting %d\n", freq); | |
662 | return -EINVAL; | |
663 | } | |
664 | state->audclk_freq = freq; | |
665 | return 0; | |
666 | } | |
667 | ||
668 | static int saa7115_set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) | |
669 | { | |
670 | struct saa7115_state *state = i2c_get_clientdata(client); | |
671 | ||
672 | switch (ctrl->id) { | |
673 | case V4L2_CID_BRIGHTNESS: | |
674 | if (ctrl->value < 0 || ctrl->value > 255) { | |
675 | saa7115_err("invalid brightness setting %d\n", ctrl->value); | |
676 | return -ERANGE; | |
677 | } | |
678 | ||
679 | state->bright = ctrl->value; | |
680 | saa7115_write(client, 0x0a, state->bright); | |
681 | break; | |
682 | ||
683 | case V4L2_CID_CONTRAST: | |
684 | if (ctrl->value < 0 || ctrl->value > 127) { | |
685 | saa7115_err("invalid contrast setting %d\n", ctrl->value); | |
686 | return -ERANGE; | |
687 | } | |
688 | ||
689 | state->contrast = ctrl->value; | |
690 | saa7115_write(client, 0x0b, state->contrast); | |
691 | break; | |
692 | ||
693 | case V4L2_CID_SATURATION: | |
694 | if (ctrl->value < 0 || ctrl->value > 127) { | |
695 | saa7115_err("invalid saturation setting %d\n", ctrl->value); | |
696 | return -ERANGE; | |
697 | } | |
698 | ||
699 | state->sat = ctrl->value; | |
700 | saa7115_write(client, 0x0c, state->sat); | |
701 | break; | |
702 | ||
703 | case V4L2_CID_HUE: | |
704 | if (ctrl->value < -127 || ctrl->value > 127) { | |
705 | saa7115_err("invalid hue setting %d\n", ctrl->value); | |
706 | return -ERANGE; | |
707 | } | |
708 | ||
709 | state->hue = ctrl->value; | |
710 | saa7115_write(client, 0x0d, state->hue); | |
711 | break; | |
712 | } | |
713 | ||
714 | return 0; | |
715 | } | |
716 | ||
717 | static int saa7115_get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) | |
718 | { | |
719 | struct saa7115_state *state = i2c_get_clientdata(client); | |
720 | ||
721 | switch (ctrl->id) { | |
722 | case V4L2_CID_BRIGHTNESS: | |
723 | ctrl->value = state->bright; | |
724 | break; | |
725 | case V4L2_CID_CONTRAST: | |
726 | ctrl->value = state->contrast; | |
727 | break; | |
728 | case V4L2_CID_SATURATION: | |
729 | ctrl->value = state->sat; | |
730 | break; | |
731 | case V4L2_CID_HUE: | |
732 | ctrl->value = state->hue; | |
733 | break; | |
734 | default: | |
735 | return -EINVAL; | |
736 | } | |
737 | ||
738 | return 0; | |
739 | } | |
740 | ||
741 | static void saa7115_set_v4lstd(struct i2c_client *client, v4l2_std_id std) | |
742 | { | |
743 | struct saa7115_state *state = i2c_get_clientdata(client); | |
744 | int taskb = saa7115_read(client, 0x80) & 0x10; | |
745 | ||
746 | // This works for NTSC-M, SECAM-L and the 50Hz PAL variants. | |
747 | if (std & V4L2_STD_525_60) { | |
748 | saa7115_dbg("decoder set standard 60 Hz\n"); | |
749 | saa7115_writeregs(client, saa7115_cfg_60hz_video); | |
750 | } else { | |
751 | saa7115_dbg("decoder set standard 50 Hz\n"); | |
752 | saa7115_writeregs(client, saa7115_cfg_50hz_video); | |
753 | } | |
754 | ||
755 | state->std = std; | |
756 | ||
757 | /* restart task B if needed */ | |
758 | if (taskb && state->ident == V4L2_IDENT_SAA7114) { | |
759 | saa7115_writeregs(client, saa7115_cfg_vbi_on); | |
760 | } | |
761 | ||
762 | /* switch audio mode too! */ | |
763 | saa7115_set_audio_clock_freq(client, state->audclk_freq); | |
764 | } | |
765 | ||
766 | static v4l2_std_id saa7115_get_v4lstd(struct i2c_client *client) | |
767 | { | |
768 | struct saa7115_state *state = i2c_get_clientdata(client); | |
769 | ||
770 | return state->std; | |
771 | } | |
772 | ||
773 | static void saa7115_log_status(struct i2c_client *client) | |
774 | { | |
e19b2fcc | 775 | struct saa7115_state *state = i2c_get_clientdata(client); |
ab60e303 | 776 | char *audfreq = "undefined"; |
e19b2fcc HV |
777 | int reg1e, reg1f; |
778 | int signalOk; | |
779 | int vcr; | |
780 | ||
ab60e303 HV |
781 | switch (state->audclk_freq) { |
782 | case V4L2_AUDCLK_32_KHZ: audfreq = "32 kHz"; break; | |
783 | case V4L2_AUDCLK_441_KHZ: audfreq = "44.1 kHz"; break; | |
784 | case V4L2_AUDCLK_48_KHZ: audfreq = "48 kHz"; break; | |
785 | } | |
786 | ||
787 | saa7115_info("Audio frequency: %s\n", audfreq); | |
e19b2fcc HV |
788 | if (client->name[6] == '4') { |
789 | /* status for the saa7114 */ | |
790 | reg1f = saa7115_read(client, 0x1f); | |
791 | signalOk = (reg1f & 0xc1) == 0x81; | |
792 | saa7115_info("Video signal: %s\n", signalOk ? "ok" : "bad"); | |
793 | saa7115_info("Frequency: %s\n", (reg1f & 0x20) ? "60Hz" : "50Hz"); | |
794 | return; | |
795 | } | |
796 | ||
797 | /* status for the saa7115 */ | |
798 | reg1e = saa7115_read(client, 0x1e); | |
799 | reg1f = saa7115_read(client, 0x1f); | |
800 | ||
801 | signalOk = (reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80; | |
802 | vcr = !(reg1f & 0x10); | |
803 | ||
804 | saa7115_info("Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad"); | |
805 | saa7115_info("Frequency: %s\n", (reg1f & 0x20) ? "60Hz" : "50Hz"); | |
806 | ||
807 | switch (reg1e & 0x03) { | |
808 | case 1: | |
809 | saa7115_info("Detected format: NTSC\n"); | |
810 | break; | |
811 | case 2: | |
812 | saa7115_info("Detected format: PAL\n"); | |
813 | break; | |
814 | case 3: | |
815 | saa7115_info("Detected format: SECAM\n"); | |
816 | break; | |
817 | default: | |
818 | saa7115_info("Detected format: BW/No color\n"); | |
819 | break; | |
820 | } | |
821 | } | |
822 | ||
823 | /* setup the sliced VBI lcr registers according to the sliced VBI format */ | |
824 | static void saa7115_set_lcr(struct i2c_client *client, struct v4l2_sliced_vbi_format *fmt) | |
825 | { | |
826 | struct saa7115_state *state = i2c_get_clientdata(client); | |
827 | int is_50hz = (state->std & V4L2_STD_625_50); | |
828 | u8 lcr[24]; | |
829 | int i, x; | |
830 | ||
831 | /* saa7114 doesn't yet support VBI */ | |
832 | if (state->ident == V4L2_IDENT_SAA7114) | |
833 | return; | |
834 | ||
835 | for (i = 0; i <= 23; i++) | |
836 | lcr[i] = 0xff; | |
837 | ||
838 | if (fmt->service_set == 0) { | |
839 | /* raw VBI */ | |
840 | if (is_50hz) | |
841 | for (i = 6; i <= 23; i++) | |
842 | lcr[i] = 0xdd; | |
843 | else | |
844 | for (i = 10; i <= 21; i++) | |
845 | lcr[i] = 0xdd; | |
846 | } else { | |
847 | /* sliced VBI */ | |
848 | /* first clear lines that cannot be captured */ | |
849 | if (is_50hz) { | |
850 | for (i = 0; i <= 5; i++) | |
851 | fmt->service_lines[0][i] = | |
852 | fmt->service_lines[1][i] = 0; | |
853 | } | |
854 | else { | |
855 | for (i = 0; i <= 9; i++) | |
856 | fmt->service_lines[0][i] = | |
857 | fmt->service_lines[1][i] = 0; | |
858 | for (i = 22; i <= 23; i++) | |
859 | fmt->service_lines[0][i] = | |
860 | fmt->service_lines[1][i] = 0; | |
861 | } | |
862 | ||
863 | /* Now set the lcr values according to the specified service */ | |
864 | for (i = 6; i <= 23; i++) { | |
865 | lcr[i] = 0; | |
866 | for (x = 0; x <= 1; x++) { | |
867 | switch (fmt->service_lines[1-x][i]) { | |
868 | case 0: | |
869 | lcr[i] |= 0xf << (4 * x); | |
870 | break; | |
871 | case V4L2_SLICED_TELETEXT_B: | |
872 | lcr[i] |= 1 << (4 * x); | |
873 | break; | |
874 | case V4L2_SLICED_CAPTION_525: | |
875 | lcr[i] |= 4 << (4 * x); | |
876 | break; | |
877 | case V4L2_SLICED_WSS_625: | |
878 | lcr[i] |= 5 << (4 * x); | |
879 | break; | |
880 | case V4L2_SLICED_VPS: | |
881 | lcr[i] |= 7 << (4 * x); | |
882 | break; | |
883 | } | |
884 | } | |
885 | } | |
886 | } | |
887 | ||
888 | /* write the lcr registers */ | |
889 | for (i = 2; i <= 23; i++) { | |
890 | saa7115_write(client, i - 2 + 0x41, lcr[i]); | |
891 | } | |
892 | ||
893 | /* enable/disable raw VBI capturing */ | |
894 | saa7115_writeregs(client, fmt->service_set == 0 ? saa7115_cfg_vbi_on : saa7115_cfg_vbi_off); | |
895 | } | |
896 | ||
897 | static int saa7115_get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt) | |
898 | { | |
899 | static u16 lcr2vbi[] = { | |
900 | 0, V4L2_SLICED_TELETEXT_B, 0, /* 1 */ | |
901 | 0, V4L2_SLICED_CAPTION_525, /* 4 */ | |
902 | V4L2_SLICED_WSS_625, 0, /* 5 */ | |
903 | V4L2_SLICED_VPS, 0, 0, 0, 0, /* 7 */ | |
904 | 0, 0, 0, 0 | |
905 | }; | |
906 | struct v4l2_sliced_vbi_format *sliced = &fmt->fmt.sliced; | |
907 | int i; | |
908 | ||
909 | if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) | |
910 | return -EINVAL; | |
911 | memset(sliced, 0, sizeof(*sliced)); | |
912 | /* done if using raw VBI */ | |
913 | if (saa7115_read(client, 0x80) & 0x10) | |
914 | return 0; | |
915 | for (i = 2; i <= 23; i++) { | |
916 | u8 v = saa7115_read(client, i - 2 + 0x41); | |
917 | ||
918 | sliced->service_lines[0][i] = lcr2vbi[v >> 4]; | |
919 | sliced->service_lines[1][i] = lcr2vbi[v & 0xf]; | |
920 | sliced->service_set |= | |
921 | sliced->service_lines[0][i] | sliced->service_lines[1][i]; | |
922 | } | |
923 | return 0; | |
924 | } | |
925 | ||
926 | static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt) | |
927 | { | |
928 | struct saa7115_state *state = i2c_get_clientdata(client); | |
929 | struct v4l2_pix_format *pix; | |
930 | int HPSC, HFSC; | |
931 | int VSCY, Vsrc; | |
932 | int is_50hz = state->std & V4L2_STD_625_50; | |
933 | ||
934 | if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { | |
935 | saa7115_set_lcr(client, &fmt->fmt.sliced); | |
936 | return 0; | |
937 | } | |
938 | if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
939 | return -EINVAL; | |
940 | ||
941 | pix = &(fmt->fmt.pix); | |
942 | ||
943 | saa7115_dbg("decoder set size\n"); | |
944 | ||
945 | /* FIXME need better bounds checking here */ | |
946 | if ((pix->width < 1) || (pix->width > 1440)) | |
947 | return -EINVAL; | |
948 | if ((pix->height < 1) || (pix->height > 960)) | |
949 | return -EINVAL; | |
950 | ||
951 | /* probably have a valid size, let's set it */ | |
952 | /* Set output width/height */ | |
953 | /* width */ | |
954 | saa7115_write(client, 0xcc, (u8) (pix->width & 0xff)); | |
955 | saa7115_write(client, 0xcd, (u8) ((pix->width >> 8) & 0xff)); | |
956 | /* height */ | |
957 | saa7115_write(client, 0xce, (u8) (pix->height & 0xff)); | |
958 | saa7115_write(client, 0xcf, (u8) ((pix->height >> 8) & 0xff)); | |
959 | ||
960 | /* Scaling settings */ | |
961 | /* Hprescaler is floor(inres/outres) */ | |
962 | /* FIXME hardcoding input res */ | |
963 | if (pix->width != 720) { | |
964 | HPSC = (int)(720 / pix->width); | |
965 | /* 0 is not allowed (div. by zero) */ | |
966 | HPSC = HPSC ? HPSC : 1; | |
967 | HFSC = (int)((1024 * 720) / (HPSC * pix->width)); | |
968 | ||
969 | saa7115_dbg("Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC); | |
970 | /* FIXME hardcodes to "Task B" | |
971 | * write H prescaler integer */ | |
972 | saa7115_write(client, 0xd0, (u8) (HPSC & 0x3f)); | |
973 | ||
974 | /* write H fine-scaling (luminance) */ | |
975 | saa7115_write(client, 0xd8, (u8) (HFSC & 0xff)); | |
976 | saa7115_write(client, 0xd9, (u8) ((HFSC >> 8) & 0xff)); | |
977 | /* write H fine-scaling (chrominance) | |
978 | * must be lum/2, so i'll just bitshift :) */ | |
979 | saa7115_write(client, 0xDC, (u8) ((HFSC >> 1) & 0xff)); | |
980 | saa7115_write(client, 0xDD, (u8) ((HFSC >> 9) & 0xff)); | |
981 | } else { | |
982 | if (is_50hz) { | |
983 | saa7115_dbg("Setting full 50hz width\n"); | |
984 | saa7115_writeregs(client, saa7115_cfg_50hz_fullres_x); | |
985 | } else { | |
986 | saa7115_dbg("Setting full 60hz width\n"); | |
987 | saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x); | |
988 | } | |
989 | } | |
990 | ||
991 | Vsrc = is_50hz ? 576 : 480; | |
992 | ||
993 | if (pix->height != Vsrc) { | |
994 | VSCY = (int)((1024 * Vsrc) / pix->height); | |
995 | saa7115_dbg("Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY); | |
996 | ||
997 | /* Correct Contrast and Luminance */ | |
998 | saa7115_write(client, 0xd5, (u8) (64 * 1024 / VSCY)); | |
999 | saa7115_write(client, 0xd6, (u8) (64 * 1024 / VSCY)); | |
1000 | ||
1001 | /* write V fine-scaling (luminance) */ | |
1002 | saa7115_write(client, 0xe0, (u8) (VSCY & 0xff)); | |
1003 | saa7115_write(client, 0xe1, (u8) ((VSCY >> 8) & 0xff)); | |
1004 | /* write V fine-scaling (chrominance) */ | |
1005 | saa7115_write(client, 0xe2, (u8) (VSCY & 0xff)); | |
1006 | saa7115_write(client, 0xe3, (u8) ((VSCY >> 8) & 0xff)); | |
1007 | } else { | |
1008 | if (is_50hz) { | |
1009 | saa7115_dbg("Setting full 50Hz height\n"); | |
1010 | saa7115_writeregs(client, saa7115_cfg_50hz_fullres_y); | |
1011 | } else { | |
1012 | saa7115_dbg("Setting full 60hz height\n"); | |
1013 | saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y); | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | saa7115_writeregs(client, saa7115_cfg_reset_scaler); | |
1018 | return 0; | |
1019 | } | |
1020 | ||
1021 | /* Decode the sliced VBI data stream as created by the saa7115. | |
1022 | The format is described in the saa7115 datasheet in Tables 25 and 26 | |
1023 | and in Figure 33. | |
1024 | The current implementation uses SAV/EAV codes and not the ancillary data | |
1025 | headers. The vbi->p pointer points to the SDID byte right after the SAV | |
1026 | code. */ | |
1027 | static void saa7115_decode_vbi_line(struct i2c_client *client, | |
1028 | struct v4l2_decode_vbi_line *vbi) | |
1029 | { | |
1030 | static const char vbi_no_data_pattern[] = { | |
1031 | 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0 | |
1032 | }; | |
1033 | struct saa7115_state *state = i2c_get_clientdata(client); | |
1034 | u8 *p = vbi->p; | |
1035 | u32 wss; | |
1036 | int id1, id2; /* the ID1 and ID2 bytes from the internal header */ | |
1037 | ||
1038 | vbi->type = 0; /* mark result as a failure */ | |
1039 | id1 = p[2]; | |
1040 | id2 = p[3]; | |
1041 | /* Note: the field bit is inverted for 60 Hz video */ | |
1042 | if (state->std & V4L2_STD_525_60) | |
1043 | id1 ^= 0x40; | |
1044 | ||
1045 | /* Skip internal header, p now points to the start of the payload */ | |
1046 | p += 4; | |
1047 | vbi->p = p; | |
1048 | ||
1049 | /* calculate field and line number of the VBI packet (1-23) */ | |
1050 | vbi->is_second_field = ((id1 & 0x40) != 0); | |
1051 | vbi->line = (id1 & 0x3f) << 3; | |
1052 | vbi->line |= (id2 & 0x70) >> 4; | |
1053 | ||
1054 | /* Obtain data type */ | |
1055 | id2 &= 0xf; | |
1056 | ||
1057 | /* If the VBI slicer does not detect any signal it will fill up | |
1058 | the payload buffer with 0xa0 bytes. */ | |
1059 | if (!memcmp(p, vbi_no_data_pattern, sizeof(vbi_no_data_pattern))) | |
1060 | return; | |
1061 | ||
1062 | /* decode payloads */ | |
1063 | switch (id2) { | |
1064 | case 1: | |
1065 | vbi->type = V4L2_SLICED_TELETEXT_B; | |
1066 | break; | |
1067 | case 4: | |
1068 | if (!saa7115_odd_parity(p[0]) || !saa7115_odd_parity(p[1])) | |
1069 | return; | |
1070 | vbi->type = V4L2_SLICED_CAPTION_525; | |
1071 | break; | |
1072 | case 5: | |
1073 | wss = saa7115_decode_wss(p); | |
1074 | if (wss == -1) | |
1075 | return; | |
1076 | p[0] = wss & 0xff; | |
1077 | p[1] = wss >> 8; | |
1078 | vbi->type = V4L2_SLICED_WSS_625; | |
1079 | break; | |
1080 | case 7: | |
1081 | if (saa7115_decode_vps(p, p) != 0) | |
1082 | return; | |
1083 | vbi->type = V4L2_SLICED_VPS; | |
1084 | break; | |
1085 | default: | |
1086 | return; | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | /* ============ SAA7115 AUDIO settings (end) ============= */ | |
1091 | ||
1092 | static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg) | |
1093 | { | |
1094 | struct saa7115_state *state = i2c_get_clientdata(client); | |
1095 | int *iarg = arg; | |
1096 | ||
1097 | /* ioctls to allow direct access to the saa7115 registers for testing */ | |
1098 | switch (cmd) { | |
1099 | case VIDIOC_S_FMT: | |
1100 | return saa7115_set_v4lfmt(client, (struct v4l2_format *)arg); | |
1101 | ||
1102 | case VIDIOC_G_FMT: | |
1103 | return saa7115_get_v4lfmt(client, (struct v4l2_format *)arg); | |
1104 | ||
1105 | case VIDIOC_INT_AUDIO_CLOCK_FREQ: | |
1106 | return saa7115_set_audio_clock_freq(client, *(enum v4l2_audio_clock_freq *)arg); | |
1107 | ||
1108 | case VIDIOC_G_TUNER: | |
1109 | { | |
1110 | struct v4l2_tuner *vt = arg; | |
1111 | int status; | |
1112 | ||
1113 | status = saa7115_read(client, 0x1f); | |
1114 | ||
1115 | saa7115_dbg("status: 0x%02x\n", status); | |
1116 | vt->signal = ((status & (1 << 6)) == 0) ? 0xffff : 0x0; | |
1117 | break; | |
1118 | } | |
1119 | ||
1120 | case VIDIOC_LOG_STATUS: | |
1121 | saa7115_log_status(client); | |
1122 | break; | |
1123 | ||
1124 | case VIDIOC_G_CTRL: | |
1125 | return saa7115_get_v4lctrl(client, (struct v4l2_control *)arg); | |
1126 | ||
1127 | case VIDIOC_S_CTRL: | |
1128 | return saa7115_set_v4lctrl(client, (struct v4l2_control *)arg); | |
1129 | ||
1130 | case VIDIOC_G_STD: | |
1131 | *(v4l2_std_id *)arg = saa7115_get_v4lstd(client); | |
1132 | break; | |
1133 | ||
1134 | case VIDIOC_S_STD: | |
1135 | saa7115_set_v4lstd(client, *(v4l2_std_id *)arg); | |
1136 | break; | |
1137 | ||
1138 | case VIDIOC_G_INPUT: | |
1139 | *(int *)arg = state->input; | |
1140 | break; | |
1141 | ||
1142 | case VIDIOC_S_INPUT: | |
1143 | saa7115_dbg("decoder set input %d\n", *iarg); | |
1144 | /* inputs from 0-9 are available */ | |
1145 | if (*iarg < 0 || *iarg > 9) { | |
1146 | return -EINVAL; | |
1147 | } | |
1148 | ||
1149 | if (state->input == *iarg) | |
1150 | break; | |
1151 | saa7115_dbg("now setting %s input\n", | |
1152 | *iarg >= 6 ? "S-Video" : "Composite"); | |
1153 | state->input = *iarg; | |
1154 | ||
1155 | /* select mode */ | |
1156 | saa7115_write(client, 0x02, | |
1157 | (saa7115_read(client, 0x02) & 0xf0) | | |
1158 | state->input); | |
1159 | ||
1160 | /* bypass chrominance trap for modes 6..9 */ | |
1161 | saa7115_write(client, 0x09, | |
1162 | (saa7115_read(client, 0x09) & 0x7f) | | |
1163 | (state->input < 6 ? 0x0 : 0x80)); | |
1164 | break; | |
1165 | ||
1166 | case VIDIOC_STREAMON: | |
1167 | case VIDIOC_STREAMOFF: | |
1168 | saa7115_dbg("%s output\n", | |
1169 | (cmd == VIDIOC_STREAMON) ? "enable" : "disable"); | |
1170 | ||
1171 | if (state->enable != (cmd == VIDIOC_STREAMON)) { | |
1172 | state->enable = (cmd == VIDIOC_STREAMON); | |
1173 | saa7115_write(client, 0x87, state->enable); | |
1174 | } | |
1175 | break; | |
1176 | ||
1177 | case VIDIOC_INT_DECODE_VBI_LINE: | |
1178 | saa7115_decode_vbi_line(client, arg); | |
1179 | break; | |
1180 | ||
1181 | case VIDIOC_INT_RESET: | |
1182 | saa7115_dbg("decoder RESET\n"); | |
1183 | saa7115_writeregs(client, saa7115_cfg_reset_scaler); | |
1184 | break; | |
1185 | ||
1186 | case VIDIOC_INT_G_VBI_DATA: | |
1187 | { | |
1188 | struct v4l2_sliced_vbi_data *data = arg; | |
1189 | ||
1190 | switch (data->id) { | |
1191 | case V4L2_SLICED_WSS_625: | |
1192 | if (saa7115_read(client, 0x6b) & 0xc0) | |
1193 | return -EIO; | |
1194 | data->data[0] = saa7115_read(client, 0x6c); | |
1195 | data->data[1] = saa7115_read(client, 0x6d); | |
1196 | return 0; | |
1197 | case V4L2_SLICED_CAPTION_525: | |
1198 | if (data->field == 0) { | |
1199 | /* CC */ | |
1200 | if (saa7115_read(client, 0x66) & 0xc0) | |
1201 | return -EIO; | |
1202 | data->data[0] = saa7115_read(client, 0x67); | |
1203 | data->data[1] = saa7115_read(client, 0x68); | |
1204 | return 0; | |
1205 | } | |
1206 | /* XDS */ | |
1207 | if (saa7115_read(client, 0x66) & 0x30) | |
1208 | return -EIO; | |
1209 | data->data[0] = saa7115_read(client, 0x69); | |
1210 | data->data[1] = saa7115_read(client, 0x6a); | |
1211 | return 0; | |
1212 | default: | |
1213 | return -EINVAL; | |
1214 | } | |
1215 | break; | |
1216 | } | |
1217 | ||
1218 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1219 | case VIDIOC_INT_G_REGISTER: | |
1220 | { | |
1221 | struct v4l2_register *reg = arg; | |
1222 | ||
1223 | if (reg->i2c_id != I2C_DRIVERID_SAA711X) | |
1224 | return -EINVAL; | |
1225 | reg->val = saa7115_read(client, reg->reg & 0xff); | |
1226 | break; | |
1227 | } | |
1228 | ||
1229 | case VIDIOC_INT_S_REGISTER: | |
1230 | { | |
1231 | struct v4l2_register *reg = arg; | |
1232 | ||
1233 | if (reg->i2c_id != I2C_DRIVERID_SAA711X) | |
1234 | return -EINVAL; | |
1235 | if (!capable(CAP_SYS_ADMIN)) | |
1236 | return -EPERM; | |
1237 | saa7115_write(client, reg->reg & 0xff, reg->val & 0xff); | |
1238 | break; | |
1239 | } | |
1240 | #endif | |
1241 | ||
1242 | case VIDIOC_INT_G_CHIP_IDENT: | |
1243 | *iarg = state->ident; | |
1244 | break; | |
1245 | ||
1246 | default: | |
1247 | return -EINVAL; | |
1248 | } | |
1249 | ||
1250 | return 0; | |
1251 | } | |
1252 | ||
1253 | /* ----------------------------------------------------------------------- */ | |
1254 | ||
1255 | static struct i2c_driver i2c_driver_saa7115; | |
1256 | ||
1257 | static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind) | |
1258 | { | |
1259 | struct i2c_client *client; | |
1260 | struct saa7115_state *state; | |
1261 | u8 chip_id; | |
1262 | ||
1263 | /* Check if the adapter supports the needed features */ | |
1264 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1265 | return 0; | |
1266 | ||
1267 | client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); | |
1268 | if (client == 0) | |
1269 | return -ENOMEM; | |
1270 | memset(client, 0, sizeof(struct i2c_client)); | |
1271 | client->addr = address; | |
1272 | client->adapter = adapter; | |
1273 | client->driver = &i2c_driver_saa7115; | |
e19b2fcc HV |
1274 | snprintf(client->name, sizeof(client->name) - 1, "saa7115"); |
1275 | ||
1276 | saa7115_dbg("detecting saa7115 client on address 0x%x\n", address << 1); | |
1277 | ||
1278 | saa7115_write(client, 0, 5); | |
1279 | chip_id = saa7115_read(client, 0) & 0x0f; | |
1280 | if (chip_id != 4 && chip_id != 5) { | |
1281 | saa7115_dbg("saa7115 not found\n"); | |
1282 | kfree(client); | |
1283 | return 0; | |
1284 | } | |
1285 | if (chip_id == 4) { | |
1286 | snprintf(client->name, sizeof(client->name) - 1, "saa7114"); | |
1287 | } | |
1288 | saa7115_info("saa711%d found @ 0x%x (%s)\n", chip_id, address << 1, adapter->name); | |
1289 | ||
1290 | state = kmalloc(sizeof(struct saa7115_state), GFP_KERNEL); | |
1291 | i2c_set_clientdata(client, state); | |
1292 | if (state == NULL) { | |
1293 | kfree(client); | |
1294 | return -ENOMEM; | |
1295 | } | |
1296 | memset(state, 0, sizeof(struct saa7115_state)); | |
1297 | state->std = V4L2_STD_NTSC; | |
1298 | state->input = -1; | |
1299 | state->enable = 1; | |
1300 | state->bright = 128; | |
1301 | state->contrast = 64; | |
1302 | state->hue = 0; | |
1303 | state->sat = 64; | |
1304 | state->ident = (chip_id == 4) ? V4L2_IDENT_SAA7114 : V4L2_IDENT_SAA7115; | |
1305 | state->audclk_freq = V4L2_AUDCLK_48_KHZ; | |
1306 | ||
1307 | saa7115_dbg("writing init values\n"); | |
1308 | ||
1309 | /* init to 60hz/48khz */ | |
1310 | saa7115_writeregs(client, saa7115_init_auto_input); | |
1311 | saa7115_writeregs(client, saa7115_init_misc); | |
1312 | saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x); | |
1313 | saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y); | |
1314 | saa7115_writeregs(client, saa7115_cfg_60hz_video); | |
1315 | saa7115_writeregs(client, saa7115_cfg_48_audio); | |
1316 | saa7115_writeregs(client, saa7115_cfg_60hz_48_audio); | |
1317 | saa7115_writeregs(client, saa7115_cfg_reset_scaler); | |
1318 | ||
1319 | i2c_attach_client(client); | |
1320 | ||
1321 | saa7115_dbg("status: (1E) 0x%02x, (1F) 0x%02x\n", | |
1322 | saa7115_read(client, 0x1e), saa7115_read(client, 0x1f)); | |
1323 | ||
1324 | return 0; | |
1325 | } | |
1326 | ||
1327 | static int saa7115_probe(struct i2c_adapter *adapter) | |
1328 | { | |
1329 | #ifdef I2C_CLASS_TV_ANALOG | |
1330 | if (adapter->class & I2C_CLASS_TV_ANALOG) | |
1331 | #else | |
1332 | if (adapter->id == I2C_HW_B_BT848) | |
1333 | #endif | |
1334 | return i2c_probe(adapter, &addr_data, &saa7115_attach); | |
1335 | return 0; | |
1336 | } | |
1337 | ||
1338 | static int saa7115_detach(struct i2c_client *client) | |
1339 | { | |
1340 | struct saa7115_state *state = i2c_get_clientdata(client); | |
1341 | int err; | |
1342 | ||
1343 | err = i2c_detach_client(client); | |
1344 | if (err) { | |
1345 | return err; | |
1346 | } | |
1347 | ||
1348 | kfree(state); | |
1349 | kfree(client); | |
1350 | return 0; | |
1351 | } | |
1352 | ||
1353 | /* ----------------------------------------------------------------------- */ | |
1354 | ||
1355 | /* i2c implementation */ | |
1356 | static struct i2c_driver i2c_driver_saa7115 = { | |
604f28e2 | 1357 | .driver = { |
604f28e2 LR |
1358 | .name = "saa7115", |
1359 | }, | |
e19b2fcc | 1360 | .id = I2C_DRIVERID_SAA711X, |
e19b2fcc HV |
1361 | .attach_adapter = saa7115_probe, |
1362 | .detach_client = saa7115_detach, | |
1363 | .command = saa7115_command, | |
e19b2fcc HV |
1364 | }; |
1365 | ||
1366 | ||
1367 | static int __init saa7115_init_module(void) | |
1368 | { | |
1369 | return i2c_add_driver(&i2c_driver_saa7115); | |
1370 | } | |
1371 | ||
1372 | static void __exit saa7115_cleanup_module(void) | |
1373 | { | |
1374 | i2c_del_driver(&i2c_driver_saa7115); | |
1375 | } | |
1376 | ||
1377 | module_init(saa7115_init_module); | |
1378 | module_exit(saa7115_cleanup_module); |