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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 | 41 | #include <media/v4l2-common.h> |
3578d3dd | 42 | #include <asm/div64.h> |
e19b2fcc HV |
43 | |
44 | MODULE_DESCRIPTION("Philips SAA7114/SAA7115 video decoder driver"); | |
1f4b3365 | 45 | MODULE_AUTHOR("Maxim Yevtyushkin, Kevin Thayer, Chris Kennedy, Hans Verkuil"); |
e19b2fcc HV |
46 | MODULE_LICENSE("GPL"); |
47 | ||
48 | static int debug = 0; | |
49 | module_param(debug, int, 0644); | |
50 | ||
51 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | |
52 | ||
53 | #define saa7115_dbg(fmt,arg...) \ | |
54 | do { \ | |
55 | if (debug) \ | |
604f28e2 LR |
56 | printk(KERN_INFO "%s debug %d-%04x: " fmt, \ |
57 | client->driver->driver.name, \ | |
e19b2fcc HV |
58 | i2c_adapter_id(client->adapter), client->addr , ## arg); \ |
59 | } while (0) | |
60 | ||
61 | #define saa7115_err(fmt, arg...) do { \ | |
604f28e2 | 62 | printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->driver.name, \ |
e19b2fcc HV |
63 | i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) |
64 | #define saa7115_info(fmt, arg...) do { \ | |
604f28e2 | 65 | printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->driver.name, \ |
e19b2fcc HV |
66 | i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) |
67 | ||
68 | static unsigned short normal_i2c[] = { 0x42 >> 1, 0x40 >> 1, I2C_CLIENT_END }; | |
69 | ||
70 | ||
71 | I2C_CLIENT_INSMOD; | |
72 | ||
73 | struct saa7115_state { | |
74 | v4l2_std_id std; | |
75 | int input; | |
76 | int enable; | |
77 | int bright; | |
78 | int contrast; | |
79 | int hue; | |
80 | int sat; | |
81 | enum v4l2_chip_ident ident; | |
3578d3dd | 82 | u32 audclk_freq; |
e19b2fcc HV |
83 | }; |
84 | ||
85 | /* ----------------------------------------------------------------------- */ | |
86 | ||
87 | static inline int saa7115_write(struct i2c_client *client, u8 reg, u8 value) | |
88 | { | |
89 | return i2c_smbus_write_byte_data(client, reg, value); | |
90 | } | |
91 | ||
92 | static int saa7115_writeregs(struct i2c_client *client, const unsigned char *regs) | |
93 | { | |
94 | unsigned char reg, data; | |
95 | ||
96 | while (*regs != 0x00) { | |
97 | reg = *(regs++); | |
98 | data = *(regs++); | |
99 | if (saa7115_write(client, reg, data) < 0) | |
100 | return -1; | |
101 | } | |
102 | return 0; | |
103 | } | |
104 | ||
105 | static inline int saa7115_read(struct i2c_client *client, u8 reg) | |
106 | { | |
107 | return i2c_smbus_read_byte_data(client, reg); | |
108 | } | |
109 | ||
110 | /* ----------------------------------------------------------------------- */ | |
111 | ||
112 | /* If a value differs from the Hauppauge driver values, then the comment starts with | |
113 | 'was 0xXX' to denote the Hauppauge value. Otherwise the value is identical to what the | |
114 | Hauppauge driver sets. */ | |
115 | ||
116 | static const unsigned char saa7115_init_auto_input[] = { | |
117 | 0x01, 0x48, /* white peak control disabled */ | |
118 | 0x03, 0x20, /* was 0x30. 0x20: long vertical blanking */ | |
119 | 0x04, 0x90, /* analog gain set to 0 */ | |
120 | 0x05, 0x90, /* analog gain set to 0 */ | |
121 | 0x06, 0xeb, /* horiz sync begin = -21 */ | |
122 | 0x07, 0xe0, /* horiz sync stop = -17 */ | |
123 | 0x0a, 0x80, /* was 0x88. decoder brightness, 0x80 is itu standard */ | |
124 | 0x0b, 0x44, /* was 0x48. decoder contrast, 0x44 is itu standard */ | |
125 | 0x0c, 0x40, /* was 0x47. decoder saturation, 0x40 is itu standard */ | |
126 | 0x0d, 0x00, /* chrominance hue control */ | |
127 | 0x0f, 0x00, /* chrominance gain control: use automicatic mode */ | |
128 | 0x10, 0x06, /* chrominance/luminance control: active adaptive combfilter */ | |
129 | 0x11, 0x00, /* delay control */ | |
130 | 0x12, 0x9d, /* RTS0 output control: VGATE */ | |
131 | 0x13, 0x80, /* X-port output control: ITU656 standard mode, RTCO output enable RTCE */ | |
132 | 0x14, 0x00, /* analog/ADC/auto compatibility control */ | |
133 | 0x18, 0x40, /* raw data gain 0x00 = nominal */ | |
134 | 0x19, 0x80, /* raw data offset 0x80 = 0 LSB */ | |
135 | 0x1a, 0x77, /* color killer level control 0x77 = recommended */ | |
136 | 0x1b, 0x42, /* misc chroma control 0x42 = recommended */ | |
137 | 0x1c, 0xa9, /* combfilter control 0xA9 = recommended */ | |
138 | 0x1d, 0x01, /* combfilter control 0x01 = recommended */ | |
139 | 0x88, 0xd0, /* reset device */ | |
140 | 0x88, 0xf0, /* set device programmed, all in operational mode */ | |
141 | 0x00, 0x00 | |
142 | }; | |
143 | ||
144 | static const unsigned char saa7115_cfg_reset_scaler[] = { | |
145 | 0x87, 0x00, /* disable I-port output */ | |
146 | 0x88, 0xd0, /* reset scaler */ | |
147 | 0x88, 0xf0, /* activate scaler */ | |
148 | 0x87, 0x01, /* enable I-port output */ | |
149 | 0x00, 0x00 | |
150 | }; | |
151 | ||
152 | /* ============== SAA7715 VIDEO templates ============= */ | |
153 | ||
154 | static const unsigned char saa7115_cfg_60hz_fullres_x[] = { | |
155 | 0xcc, 0xd0, /* hsize low (output), hor. output window size = 0x2d0 = 720 */ | |
156 | 0xcd, 0x02, /* hsize hi (output) */ | |
157 | ||
158 | /* Why not in 60hz-Land, too? */ | |
159 | 0xd0, 0x01, /* downscale = 1 */ | |
160 | 0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */ | |
161 | 0xd9, 0x04, | |
162 | 0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */ | |
163 | 0xdd, 0x02, /* H-scaling incr chroma */ | |
164 | ||
165 | 0x00, 0x00 | |
166 | }; | |
167 | static const unsigned char saa7115_cfg_60hz_fullres_y[] = { | |
168 | 0xce, 0xf8, /* vsize low (output), ver. output window size = 248 (but 60hz is 240?) */ | |
169 | 0xcf, 0x00, /* vsize hi (output) */ | |
170 | ||
171 | /* Why not in 60hz-Land, too? */ | |
172 | 0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */ | |
173 | 0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */ | |
174 | ||
175 | 0xe0, 0x00, /* V-scaling incr luma low */ | |
176 | 0xe1, 0x04, /* " hi */ | |
177 | 0xe2, 0x00, /* V-scaling incr chroma low */ | |
178 | 0xe3, 0x04, /* " hi */ | |
179 | ||
180 | 0x00, 0x00 | |
181 | }; | |
182 | ||
183 | static const unsigned char saa7115_cfg_60hz_video[] = { | |
184 | 0x80, 0x00, /* reset tasks */ | |
185 | 0x88, 0xd0, /* reset scaler */ | |
186 | ||
187 | 0x15, 0x03, /* VGATE pulse start */ | |
188 | 0x16, 0x11, /* VGATE pulse stop */ | |
189 | 0x17, 0x9c, /* VGATE MSB and other values */ | |
190 | ||
191 | 0x08, 0x68, /* 0xBO: auto detection, 0x68 = NTSC */ | |
192 | 0x0e, 0x07, /* lots of different stuff... video autodetection is on */ | |
193 | ||
194 | 0x5a, 0x06, /* Vertical offset, standard 60hz value for ITU656 line counting */ | |
195 | ||
196 | /* Task A */ | |
197 | 0x90, 0x80, /* Task Handling Control */ | |
198 | 0x91, 0x48, /* X-port formats/config */ | |
199 | 0x92, 0x40, /* Input Ref. signal Def. */ | |
200 | 0x93, 0x84, /* I-port config */ | |
201 | 0x94, 0x01, /* hoffset low (input), 0x0002 is minimum */ | |
202 | 0x95, 0x00, /* hoffset hi (input) */ | |
203 | 0x96, 0xd0, /* hsize low (input), 0x02d0 = 720 */ | |
204 | 0x97, 0x02, /* hsize hi (input) */ | |
205 | 0x98, 0x05, /* voffset low (input) */ | |
206 | 0x99, 0x00, /* voffset hi (input) */ | |
207 | 0x9a, 0x0c, /* vsize low (input), 0x0c = 12 */ | |
208 | 0x9b, 0x00, /* vsize hi (input) */ | |
209 | 0x9c, 0xa0, /* hsize low (output), 0x05a0 = 1440 */ | |
210 | 0x9d, 0x05, /* hsize hi (output) */ | |
211 | 0x9e, 0x0c, /* vsize low (output), 0x0c = 12 */ | |
212 | 0x9f, 0x00, /* vsize hi (output) */ | |
213 | ||
214 | /* Task B */ | |
215 | 0xc0, 0x00, /* Task Handling Control */ | |
216 | 0xc1, 0x08, /* X-port formats/config */ | |
217 | 0xc2, 0x00, /* Input Ref. signal Def. */ | |
218 | 0xc3, 0x80, /* I-port config */ | |
219 | 0xc4, 0x02, /* hoffset low (input), 0x0002 is minimum */ | |
220 | 0xc5, 0x00, /* hoffset hi (input) */ | |
221 | 0xc6, 0xd0, /* hsize low (input), 0x02d0 = 720 */ | |
222 | 0xc7, 0x02, /* hsize hi (input) */ | |
223 | 0xc8, 0x12, /* voffset low (input), 0x12 = 18 */ | |
224 | 0xc9, 0x00, /* voffset hi (input) */ | |
225 | 0xca, 0xf8, /* vsize low (input), 0xf8 = 248 */ | |
226 | 0xcb, 0x00, /* vsize hi (input) */ | |
227 | 0xcc, 0xd0, /* hsize low (output), 0x02d0 = 720 */ | |
228 | 0xcd, 0x02, /* hsize hi (output) */ | |
229 | ||
230 | 0xf0, 0xad, /* Set PLL Register. 60hz 525 lines per frame, 27 MHz */ | |
231 | 0xf1, 0x05, /* low bit with 0xF0 */ | |
232 | 0xf5, 0xad, /* Set pulse generator register */ | |
233 | 0xf6, 0x01, | |
234 | ||
235 | 0x87, 0x00, /* Disable I-port output */ | |
236 | 0x88, 0xd0, /* reset scaler */ | |
237 | 0x80, 0x20, /* Activate only task "B", continuous mode (was 0xA0) */ | |
238 | 0x88, 0xf0, /* activate scaler */ | |
239 | 0x87, 0x01, /* Enable I-port output */ | |
240 | 0x00, 0x00 | |
241 | }; | |
242 | ||
243 | static const unsigned char saa7115_cfg_50hz_fullres_x[] = { | |
244 | 0xcc, 0xd0, /* hsize low (output), 720 same as 60hz */ | |
245 | 0xcd, 0x02, /* hsize hi (output) */ | |
246 | ||
247 | 0xd0, 0x01, /* down scale = 1 */ | |
248 | 0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */ | |
249 | 0xd9, 0x04, | |
250 | 0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */ | |
251 | 0xdd, 0x02, /* H-scaling incr chroma */ | |
252 | ||
253 | 0x00, 0x00 | |
254 | }; | |
255 | static const unsigned char saa7115_cfg_50hz_fullres_y[] = { | |
256 | 0xce, 0x20, /* vsize low (output), 0x0120 = 288 */ | |
257 | 0xcf, 0x01, /* vsize hi (output) */ | |
258 | ||
259 | 0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */ | |
260 | 0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */ | |
261 | ||
262 | 0xe0, 0x00, /* V-scaling incr luma low */ | |
263 | 0xe1, 0x04, /* " hi */ | |
264 | 0xe2, 0x00, /* V-scaling incr chroma low */ | |
265 | 0xe3, 0x04, /* " hi */ | |
266 | ||
267 | 0x00, 0x00 | |
268 | }; | |
269 | ||
270 | static const unsigned char saa7115_cfg_50hz_video[] = { | |
271 | 0x80, 0x00, /* reset tasks */ | |
272 | 0x88, 0xd0, /* reset scaler */ | |
273 | ||
274 | 0x15, 0x37, /* VGATE start */ | |
275 | 0x16, 0x16, /* VGATE stop */ | |
276 | 0x17, 0x99, /* VGATE MSB and other values */ | |
277 | ||
278 | 0x08, 0x28, /* 0x28 = PAL */ | |
279 | 0x0e, 0x07, /* chrominance control 1 */ | |
280 | ||
281 | 0x5a, 0x03, /* Vertical offset, standard 50hz value */ | |
282 | ||
283 | /* Task A */ | |
284 | 0x90, 0x81, /* Task Handling Control */ | |
285 | 0x91, 0x48, /* X-port formats/config */ | |
286 | 0x92, 0x40, /* Input Ref. signal Def. */ | |
287 | 0x93, 0x84, /* I-port config */ | |
288 | /* This is weird: the datasheet says that you should use 2 as the minimum value, */ | |
289 | /* but Hauppauge uses 0, and changing that to 2 causes indeed problems (for 50hz) */ | |
290 | 0x94, 0x00, /* hoffset low (input), 0x0002 is minimum */ | |
291 | 0x95, 0x00, /* hoffset hi (input) */ | |
292 | 0x96, 0xd0, /* hsize low (input), 0x02d0 = 720 */ | |
293 | 0x97, 0x02, /* hsize hi (input) */ | |
294 | 0x98, 0x03, /* voffset low (input) */ | |
295 | 0x99, 0x00, /* voffset hi (input) */ | |
296 | 0x9a, 0x12, /* vsize low (input), 0x12 = 18 */ | |
297 | 0x9b, 0x00, /* vsize hi (input) */ | |
298 | 0x9c, 0xa0, /* hsize low (output), 0x05a0 = 1440 */ | |
299 | 0x9d, 0x05, /* hsize hi (output) */ | |
300 | 0x9e, 0x12, /* vsize low (output), 0x12 = 18 */ | |
301 | 0x9f, 0x00, /* vsize hi (output) */ | |
302 | ||
303 | /* Task B */ | |
304 | 0xc0, 0x00, /* Task Handling Control */ | |
305 | 0xc1, 0x08, /* X-port formats/config */ | |
306 | 0xc2, 0x00, /* Input Ref. signal Def. */ | |
307 | 0xc3, 0x80, /* I-port config */ | |
308 | 0xc4, 0x00, /* hoffset low (input), 0x0002 is minimum. See comment at 0x94 above. */ | |
309 | 0xc5, 0x00, /* hoffset hi (input) */ | |
310 | 0xc6, 0xd0, /* hsize low (input), 0x02d0 = 720 */ | |
311 | 0xc7, 0x02, /* hsize hi (input) */ | |
312 | 0xc8, 0x16, /* voffset low (input), 0x16 = 22 */ | |
313 | 0xc9, 0x00, /* voffset hi (input) */ | |
314 | 0xca, 0x20, /* vsize low (input), 0x0120 = 288 */ | |
315 | 0xcb, 0x01, /* vsize hi (input) */ | |
316 | 0xcc, 0xd0, /* hsize low (output), 0x02d0 = 720 */ | |
317 | 0xcd, 0x02, /* hsize hi (output) */ | |
318 | 0xce, 0x20, /* vsize low (output), 0x0120 = 288 */ | |
319 | 0xcf, 0x01, /* vsize hi (output) */ | |
320 | ||
321 | 0xf0, 0xb0, /* Set PLL Register. 50hz 625 lines per frame, 27 MHz */ | |
322 | 0xf1, 0x05, /* low bit with 0xF0, (was 0x05) */ | |
323 | 0xf5, 0xb0, /* Set pulse generator register */ | |
324 | 0xf6, 0x01, | |
325 | ||
326 | 0x87, 0x00, /* Disable I-port output */ | |
327 | 0x88, 0xd0, /* reset scaler (was 0xD0) */ | |
328 | 0x80, 0x20, /* Activate only task "B" */ | |
329 | 0x88, 0xf0, /* activate scaler */ | |
330 | 0x87, 0x01, /* Enable I-port output */ | |
331 | 0x00, 0x00 | |
332 | }; | |
333 | ||
334 | /* ============== SAA7715 VIDEO templates (end) ======= */ | |
335 | ||
336 | static const unsigned char saa7115_cfg_vbi_on[] = { | |
337 | 0x80, 0x00, /* reset tasks */ | |
338 | 0x88, 0xd0, /* reset scaler */ | |
339 | 0x80, 0x30, /* Activate both tasks */ | |
340 | 0x88, 0xf0, /* activate scaler */ | |
341 | 0x87, 0x01, /* Enable I-port output */ | |
342 | 0x00, 0x00 | |
343 | }; | |
344 | ||
345 | static const unsigned char saa7115_cfg_vbi_off[] = { | |
346 | 0x80, 0x00, /* reset tasks */ | |
347 | 0x88, 0xd0, /* reset scaler */ | |
348 | 0x80, 0x20, /* Activate only task "B" */ | |
349 | 0x88, 0xf0, /* activate scaler */ | |
350 | 0x87, 0x01, /* Enable I-port output */ | |
351 | 0x00, 0x00 | |
352 | }; | |
353 | ||
354 | static const unsigned char saa7115_init_misc[] = { | |
355 | 0x38, 0x03, /* audio stuff */ | |
356 | 0x39, 0x10, | |
357 | 0x3a, 0x08, | |
358 | ||
359 | 0x81, 0x01, /* reg 0x15,0x16 define blanking window */ | |
360 | 0x82, 0x00, | |
361 | 0x83, 0x01, /* I port settings */ | |
362 | 0x84, 0x20, | |
363 | 0x85, 0x21, | |
364 | 0x86, 0xc5, | |
365 | 0x87, 0x01, | |
366 | ||
367 | /* Task A */ | |
368 | 0xa0, 0x01, /* down scale = 1 */ | |
369 | 0xa1, 0x00, /* prescale accumulation length = 1 */ | |
370 | 0xa2, 0x00, /* dc gain and fir prefilter control */ | |
371 | 0xa4, 0x80, /* Lum Brightness, nominal value = 0x80 */ | |
372 | 0xa5, 0x40, /* Lum contrast, nominal value = 0x40 */ | |
373 | 0xa6, 0x40, /* Chroma satur. nominal value = 0x80 */ | |
374 | 0xa8, 0x00, /* hor lum scaling 0x0200 = 2 zoom */ | |
375 | 0xa9, 0x02, /* note: 2 x zoom ensures that VBI lines have same length as video lines. */ | |
376 | 0xaa, 0x00, /* H-phase offset Luma = 0 */ | |
377 | 0xac, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */ | |
378 | 0xad, 0x01, /* H-scaling incr chroma */ | |
379 | 0xae, 0x00, /* H-phase offset chroma. must be offset luma / 2 */ | |
380 | ||
381 | 0xb0, 0x00, /* V-scaling incr luma low */ | |
382 | 0xb1, 0x04, /* " hi */ | |
383 | 0xb2, 0x00, /* V-scaling incr chroma low */ | |
384 | 0xb3, 0x04, /* " hi */ | |
385 | 0xb4, 0x01, /* V-scaling mode control */ | |
386 | 0xb8, 0x00, /* V-phase offset chroma 00 */ | |
387 | 0xb9, 0x00, /* V-phase offset chroma 01 */ | |
388 | 0xba, 0x00, /* V-phase offset chroma 10 */ | |
389 | 0xbb, 0x00, /* V-phase offset chroma 11 */ | |
390 | 0xbc, 0x00, /* V-phase offset luma 00 */ | |
391 | 0xbd, 0x00, /* V-phase offset luma 01 */ | |
392 | 0xbe, 0x00, /* V-phase offset luma 10 */ | |
393 | 0xbf, 0x00, /* V-phase offset luma 11 */ | |
394 | ||
395 | /* Task B */ | |
396 | 0xd0, 0x01, /* down scale = 1 */ | |
397 | 0xd1, 0x00, /* prescale accumulation length = 1 */ | |
398 | 0xd2, 0x00, /* dc gain and fir prefilter control */ | |
399 | 0xd4, 0x80, /* Lum Brightness, nominal value = 0x80 */ | |
400 | 0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */ | |
401 | 0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */ | |
402 | 0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */ | |
403 | 0xd9, 0x04, | |
404 | 0xda, 0x00, /* H-phase offset Luma = 0 */ | |
405 | 0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */ | |
406 | 0xdd, 0x02, /* H-scaling incr chroma */ | |
407 | 0xde, 0x00, /* H-phase offset chroma. must be offset luma / 2 */ | |
408 | ||
409 | 0xe0, 0x00, /* V-scaling incr luma low */ | |
410 | 0xe1, 0x04, /* " hi */ | |
411 | 0xe2, 0x00, /* V-scaling incr chroma low */ | |
412 | 0xe3, 0x04, /* " hi */ | |
413 | 0xe4, 0x01, /* V-scaling mode control */ | |
414 | 0xe8, 0x00, /* V-phase offset chroma 00 */ | |
415 | 0xe9, 0x00, /* V-phase offset chroma 01 */ | |
416 | 0xea, 0x00, /* V-phase offset chroma 10 */ | |
417 | 0xeb, 0x00, /* V-phase offset chroma 11 */ | |
418 | 0xec, 0x00, /* V-phase offset luma 00 */ | |
419 | 0xed, 0x00, /* V-phase offset luma 01 */ | |
420 | 0xee, 0x00, /* V-phase offset luma 10 */ | |
421 | 0xef, 0x00, /* V-phase offset luma 11 */ | |
422 | ||
423 | 0xf2, 0x50, /* crystal clock = 24.576 MHz, target = 27MHz */ | |
424 | 0xf3, 0x46, | |
425 | 0xf4, 0x00, | |
426 | 0xf7, 0x4b, /* not the recommended settings! */ | |
427 | 0xf8, 0x00, | |
428 | 0xf9, 0x4b, | |
429 | 0xfa, 0x00, | |
430 | 0xfb, 0x4b, | |
431 | 0xff, 0x88, /* PLL2 lock detection settings: 71 lines 50% phase error */ | |
432 | ||
433 | /* Turn off VBI */ | |
434 | 0x40, 0x20, /* No framing code errors allowed. */ | |
435 | 0x41, 0xff, | |
436 | 0x42, 0xff, | |
437 | 0x43, 0xff, | |
438 | 0x44, 0xff, | |
439 | 0x45, 0xff, | |
440 | 0x46, 0xff, | |
441 | 0x47, 0xff, | |
442 | 0x48, 0xff, | |
443 | 0x49, 0xff, | |
444 | 0x4a, 0xff, | |
445 | 0x4b, 0xff, | |
446 | 0x4c, 0xff, | |
447 | 0x4d, 0xff, | |
448 | 0x4e, 0xff, | |
449 | 0x4f, 0xff, | |
450 | 0x50, 0xff, | |
451 | 0x51, 0xff, | |
452 | 0x52, 0xff, | |
453 | 0x53, 0xff, | |
454 | 0x54, 0xff, | |
455 | 0x55, 0xff, | |
456 | 0x56, 0xff, | |
457 | 0x57, 0xff, | |
458 | 0x58, 0x40, | |
459 | 0x59, 0x47, | |
460 | 0x5b, 0x83, | |
461 | 0x5d, 0xbd, | |
462 | 0x5e, 0x35, | |
463 | ||
464 | 0x02, 0x84, /* input tuner -> input 4, amplifier active */ | |
465 | 0x09, 0x53, /* 0x53, was 0x56 for 60hz. luminance control */ | |
466 | ||
467 | 0x80, 0x20, /* enable task B */ | |
468 | 0x88, 0xd0, | |
469 | 0x88, 0xf0, | |
470 | 0x00, 0x00 | |
471 | }; | |
472 | ||
e19b2fcc HV |
473 | static int saa7115_odd_parity(u8 c) |
474 | { | |
475 | c ^= (c >> 4); | |
476 | c ^= (c >> 2); | |
477 | c ^= (c >> 1); | |
478 | ||
479 | return c & 1; | |
480 | } | |
481 | ||
482 | static int saa7115_decode_vps(u8 * dst, u8 * p) | |
483 | { | |
484 | static const u8 biphase_tbl[] = { | |
485 | 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, | |
486 | 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, | |
487 | 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, | |
488 | 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, | |
489 | 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, | |
490 | 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, | |
491 | 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, | |
492 | 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, | |
493 | 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, | |
494 | 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, | |
495 | 0xc3, 0x4b, 0x43, 0xc3, 0x87, 0x0f, 0x07, 0x87, | |
496 | 0x83, 0x0b, 0x03, 0x83, 0xc3, 0x4b, 0x43, 0xc3, | |
497 | 0xc1, 0x49, 0x41, 0xc1, 0x85, 0x0d, 0x05, 0x85, | |
498 | 0x81, 0x09, 0x01, 0x81, 0xc1, 0x49, 0x41, 0xc1, | |
499 | 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, | |
500 | 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, | |
501 | 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, | |
502 | 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, | |
503 | 0xc2, 0x4a, 0x42, 0xc2, 0x86, 0x0e, 0x06, 0x86, | |
504 | 0x82, 0x0a, 0x02, 0x82, 0xc2, 0x4a, 0x42, 0xc2, | |
505 | 0xc0, 0x48, 0x40, 0xc0, 0x84, 0x0c, 0x04, 0x84, | |
506 | 0x80, 0x08, 0x00, 0x80, 0xc0, 0x48, 0x40, 0xc0, | |
507 | 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, | |
508 | 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, | |
509 | 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, | |
510 | 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, | |
511 | 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, | |
512 | 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, | |
513 | 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, | |
514 | 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, | |
515 | 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, | |
516 | 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, | |
517 | }; | |
518 | int i; | |
519 | u8 c, err = 0; | |
520 | ||
521 | for (i = 0; i < 2 * 13; i += 2) { | |
522 | err |= biphase_tbl[p[i]] | biphase_tbl[p[i + 1]]; | |
523 | c = (biphase_tbl[p[i + 1]] & 0xf) | ((biphase_tbl[p[i]] & 0xf) << 4); | |
524 | dst[i / 2] = c; | |
525 | } | |
526 | return err & 0xf0; | |
527 | } | |
528 | ||
529 | static int saa7115_decode_wss(u8 * p) | |
530 | { | |
531 | static const int wss_bits[8] = { | |
532 | 0, 0, 0, 1, 0, 1, 1, 1 | |
533 | }; | |
534 | unsigned char parity; | |
535 | int wss = 0; | |
536 | int i; | |
537 | ||
538 | for (i = 0; i < 16; i++) { | |
539 | int b1 = wss_bits[p[i] & 7]; | |
540 | int b2 = wss_bits[(p[i] >> 3) & 7]; | |
541 | ||
542 | if (b1 == b2) | |
543 | return -1; | |
544 | wss |= b2 << i; | |
545 | } | |
546 | parity = wss & 15; | |
547 | parity ^= parity >> 2; | |
548 | parity ^= parity >> 1; | |
549 | ||
550 | if (!(parity & 1)) | |
551 | return -1; | |
552 | ||
553 | return wss; | |
554 | } | |
555 | ||
556 | ||
3578d3dd | 557 | static int saa7115_set_audio_clock_freq(struct i2c_client *client, u32 freq) |
e19b2fcc HV |
558 | { |
559 | struct saa7115_state *state = i2c_get_clientdata(client); | |
3578d3dd HV |
560 | u32 acpf; |
561 | u32 acni; | |
562 | u32 hz; | |
563 | u64 f; | |
e19b2fcc HV |
564 | |
565 | saa7115_dbg("set audio clock freq: %d\n", freq); | |
3578d3dd HV |
566 | |
567 | /* sanity check */ | |
568 | if (freq < 32000 || freq > 48000) | |
569 | return -EINVAL; | |
570 | ||
571 | /* hz is the refresh rate times 100 */ | |
572 | hz = (state->std & V4L2_STD_525_60) ? 5994 : 5000; | |
573 | /* acpf = (256 * freq) / field_frequency == (256 * 100 * freq) / hz */ | |
574 | acpf = (25600 * freq) / hz; | |
575 | /* acni = (256 * freq * 2^23) / crystal_frequency = | |
576 | (freq * 2^(8+23)) / crystal_frequency = | |
577 | (freq << 31) / 32.11 MHz */ | |
578 | f = freq; | |
579 | f = f << 31; | |
580 | do_div(f, 32110000); | |
581 | acni = f; | |
582 | ||
583 | saa7115_write(client, 0x30, acpf & 0xff); | |
584 | saa7115_write(client, 0x31, (acpf >> 8) & 0xff); | |
585 | saa7115_write(client, 0x32, (acpf >> 16) & 0x03); | |
586 | saa7115_write(client, 0x34, acni & 0xff); | |
587 | saa7115_write(client, 0x35, (acni >> 8) & 0xff); | |
588 | saa7115_write(client, 0x36, (acni >> 16) & 0x3f); | |
e19b2fcc HV |
589 | state->audclk_freq = freq; |
590 | return 0; | |
591 | } | |
592 | ||
593 | static int saa7115_set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) | |
594 | { | |
595 | struct saa7115_state *state = i2c_get_clientdata(client); | |
596 | ||
597 | switch (ctrl->id) { | |
598 | case V4L2_CID_BRIGHTNESS: | |
599 | if (ctrl->value < 0 || ctrl->value > 255) { | |
600 | saa7115_err("invalid brightness setting %d\n", ctrl->value); | |
601 | return -ERANGE; | |
602 | } | |
603 | ||
604 | state->bright = ctrl->value; | |
605 | saa7115_write(client, 0x0a, state->bright); | |
606 | break; | |
607 | ||
608 | case V4L2_CID_CONTRAST: | |
609 | if (ctrl->value < 0 || ctrl->value > 127) { | |
610 | saa7115_err("invalid contrast setting %d\n", ctrl->value); | |
611 | return -ERANGE; | |
612 | } | |
613 | ||
614 | state->contrast = ctrl->value; | |
615 | saa7115_write(client, 0x0b, state->contrast); | |
616 | break; | |
617 | ||
618 | case V4L2_CID_SATURATION: | |
619 | if (ctrl->value < 0 || ctrl->value > 127) { | |
620 | saa7115_err("invalid saturation setting %d\n", ctrl->value); | |
621 | return -ERANGE; | |
622 | } | |
623 | ||
624 | state->sat = ctrl->value; | |
625 | saa7115_write(client, 0x0c, state->sat); | |
626 | break; | |
627 | ||
628 | case V4L2_CID_HUE: | |
629 | if (ctrl->value < -127 || ctrl->value > 127) { | |
630 | saa7115_err("invalid hue setting %d\n", ctrl->value); | |
631 | return -ERANGE; | |
632 | } | |
633 | ||
634 | state->hue = ctrl->value; | |
635 | saa7115_write(client, 0x0d, state->hue); | |
636 | break; | |
637 | } | |
638 | ||
639 | return 0; | |
640 | } | |
641 | ||
642 | static int saa7115_get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) | |
643 | { | |
644 | struct saa7115_state *state = i2c_get_clientdata(client); | |
645 | ||
646 | switch (ctrl->id) { | |
647 | case V4L2_CID_BRIGHTNESS: | |
648 | ctrl->value = state->bright; | |
649 | break; | |
650 | case V4L2_CID_CONTRAST: | |
651 | ctrl->value = state->contrast; | |
652 | break; | |
653 | case V4L2_CID_SATURATION: | |
654 | ctrl->value = state->sat; | |
655 | break; | |
656 | case V4L2_CID_HUE: | |
657 | ctrl->value = state->hue; | |
658 | break; | |
659 | default: | |
660 | return -EINVAL; | |
661 | } | |
662 | ||
663 | return 0; | |
664 | } | |
665 | ||
666 | static void saa7115_set_v4lstd(struct i2c_client *client, v4l2_std_id std) | |
667 | { | |
668 | struct saa7115_state *state = i2c_get_clientdata(client); | |
669 | int taskb = saa7115_read(client, 0x80) & 0x10; | |
670 | ||
30b54d50 HV |
671 | /* Prevent unnecessary standard changes. During a standard |
672 | change the I-Port is temporarily disabled. Any devices | |
673 | reading from that port can get confused. | |
674 | Note that VIDIOC_S_STD is also used to switch from | |
675 | radio to TV mode, so if a VIDIOC_S_STD is broadcast to | |
676 | all I2C devices then you do not want to have an unwanted | |
677 | side-effect here. */ | |
678 | if (std == state->std) | |
679 | return; | |
680 | ||
e19b2fcc HV |
681 | // This works for NTSC-M, SECAM-L and the 50Hz PAL variants. |
682 | if (std & V4L2_STD_525_60) { | |
683 | saa7115_dbg("decoder set standard 60 Hz\n"); | |
684 | saa7115_writeregs(client, saa7115_cfg_60hz_video); | |
685 | } else { | |
686 | saa7115_dbg("decoder set standard 50 Hz\n"); | |
687 | saa7115_writeregs(client, saa7115_cfg_50hz_video); | |
688 | } | |
689 | ||
690 | state->std = std; | |
691 | ||
692 | /* restart task B if needed */ | |
693 | if (taskb && state->ident == V4L2_IDENT_SAA7114) { | |
694 | saa7115_writeregs(client, saa7115_cfg_vbi_on); | |
695 | } | |
696 | ||
697 | /* switch audio mode too! */ | |
698 | saa7115_set_audio_clock_freq(client, state->audclk_freq); | |
699 | } | |
700 | ||
701 | static v4l2_std_id saa7115_get_v4lstd(struct i2c_client *client) | |
702 | { | |
703 | struct saa7115_state *state = i2c_get_clientdata(client); | |
704 | ||
705 | return state->std; | |
706 | } | |
707 | ||
708 | static void saa7115_log_status(struct i2c_client *client) | |
709 | { | |
e19b2fcc HV |
710 | struct saa7115_state *state = i2c_get_clientdata(client); |
711 | int reg1e, reg1f; | |
712 | int signalOk; | |
713 | int vcr; | |
714 | ||
3578d3dd | 715 | saa7115_info("Audio frequency: %d Hz\n", state->audclk_freq); |
e19b2fcc HV |
716 | if (client->name[6] == '4') { |
717 | /* status for the saa7114 */ | |
718 | reg1f = saa7115_read(client, 0x1f); | |
719 | signalOk = (reg1f & 0xc1) == 0x81; | |
720 | saa7115_info("Video signal: %s\n", signalOk ? "ok" : "bad"); | |
3578d3dd | 721 | saa7115_info("Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz"); |
e19b2fcc HV |
722 | return; |
723 | } | |
724 | ||
725 | /* status for the saa7115 */ | |
726 | reg1e = saa7115_read(client, 0x1e); | |
727 | reg1f = saa7115_read(client, 0x1f); | |
728 | ||
729 | signalOk = (reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80; | |
730 | vcr = !(reg1f & 0x10); | |
731 | ||
21fa715e HV |
732 | if (state->input >= 6) { |
733 | saa7115_info("Input: S-Video %d\n", state->input - 6); | |
734 | } else { | |
735 | saa7115_info("Input: Composite %d\n", state->input); | |
736 | } | |
e19b2fcc | 737 | saa7115_info("Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad"); |
3578d3dd | 738 | saa7115_info("Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz"); |
e19b2fcc HV |
739 | |
740 | switch (reg1e & 0x03) { | |
741 | case 1: | |
742 | saa7115_info("Detected format: NTSC\n"); | |
743 | break; | |
744 | case 2: | |
745 | saa7115_info("Detected format: PAL\n"); | |
746 | break; | |
747 | case 3: | |
748 | saa7115_info("Detected format: SECAM\n"); | |
749 | break; | |
750 | default: | |
751 | saa7115_info("Detected format: BW/No color\n"); | |
752 | break; | |
753 | } | |
754 | } | |
755 | ||
756 | /* setup the sliced VBI lcr registers according to the sliced VBI format */ | |
757 | static void saa7115_set_lcr(struct i2c_client *client, struct v4l2_sliced_vbi_format *fmt) | |
758 | { | |
759 | struct saa7115_state *state = i2c_get_clientdata(client); | |
760 | int is_50hz = (state->std & V4L2_STD_625_50); | |
761 | u8 lcr[24]; | |
762 | int i, x; | |
763 | ||
764 | /* saa7114 doesn't yet support VBI */ | |
765 | if (state->ident == V4L2_IDENT_SAA7114) | |
766 | return; | |
767 | ||
768 | for (i = 0; i <= 23; i++) | |
769 | lcr[i] = 0xff; | |
770 | ||
771 | if (fmt->service_set == 0) { | |
772 | /* raw VBI */ | |
773 | if (is_50hz) | |
774 | for (i = 6; i <= 23; i++) | |
775 | lcr[i] = 0xdd; | |
776 | else | |
777 | for (i = 10; i <= 21; i++) | |
778 | lcr[i] = 0xdd; | |
779 | } else { | |
780 | /* sliced VBI */ | |
781 | /* first clear lines that cannot be captured */ | |
782 | if (is_50hz) { | |
783 | for (i = 0; i <= 5; i++) | |
784 | fmt->service_lines[0][i] = | |
785 | fmt->service_lines[1][i] = 0; | |
786 | } | |
787 | else { | |
788 | for (i = 0; i <= 9; i++) | |
789 | fmt->service_lines[0][i] = | |
790 | fmt->service_lines[1][i] = 0; | |
791 | for (i = 22; i <= 23; i++) | |
792 | fmt->service_lines[0][i] = | |
793 | fmt->service_lines[1][i] = 0; | |
794 | } | |
795 | ||
796 | /* Now set the lcr values according to the specified service */ | |
797 | for (i = 6; i <= 23; i++) { | |
798 | lcr[i] = 0; | |
799 | for (x = 0; x <= 1; x++) { | |
800 | switch (fmt->service_lines[1-x][i]) { | |
801 | case 0: | |
802 | lcr[i] |= 0xf << (4 * x); | |
803 | break; | |
804 | case V4L2_SLICED_TELETEXT_B: | |
805 | lcr[i] |= 1 << (4 * x); | |
806 | break; | |
807 | case V4L2_SLICED_CAPTION_525: | |
808 | lcr[i] |= 4 << (4 * x); | |
809 | break; | |
810 | case V4L2_SLICED_WSS_625: | |
811 | lcr[i] |= 5 << (4 * x); | |
812 | break; | |
813 | case V4L2_SLICED_VPS: | |
814 | lcr[i] |= 7 << (4 * x); | |
815 | break; | |
816 | } | |
817 | } | |
818 | } | |
819 | } | |
820 | ||
821 | /* write the lcr registers */ | |
822 | for (i = 2; i <= 23; i++) { | |
823 | saa7115_write(client, i - 2 + 0x41, lcr[i]); | |
824 | } | |
825 | ||
826 | /* enable/disable raw VBI capturing */ | |
827 | saa7115_writeregs(client, fmt->service_set == 0 ? saa7115_cfg_vbi_on : saa7115_cfg_vbi_off); | |
828 | } | |
829 | ||
830 | static int saa7115_get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt) | |
831 | { | |
832 | static u16 lcr2vbi[] = { | |
833 | 0, V4L2_SLICED_TELETEXT_B, 0, /* 1 */ | |
834 | 0, V4L2_SLICED_CAPTION_525, /* 4 */ | |
835 | V4L2_SLICED_WSS_625, 0, /* 5 */ | |
836 | V4L2_SLICED_VPS, 0, 0, 0, 0, /* 7 */ | |
837 | 0, 0, 0, 0 | |
838 | }; | |
839 | struct v4l2_sliced_vbi_format *sliced = &fmt->fmt.sliced; | |
840 | int i; | |
841 | ||
842 | if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) | |
843 | return -EINVAL; | |
844 | memset(sliced, 0, sizeof(*sliced)); | |
845 | /* done if using raw VBI */ | |
846 | if (saa7115_read(client, 0x80) & 0x10) | |
847 | return 0; | |
848 | for (i = 2; i <= 23; i++) { | |
849 | u8 v = saa7115_read(client, i - 2 + 0x41); | |
850 | ||
851 | sliced->service_lines[0][i] = lcr2vbi[v >> 4]; | |
852 | sliced->service_lines[1][i] = lcr2vbi[v & 0xf]; | |
853 | sliced->service_set |= | |
854 | sliced->service_lines[0][i] | sliced->service_lines[1][i]; | |
855 | } | |
856 | return 0; | |
857 | } | |
858 | ||
859 | static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt) | |
860 | { | |
861 | struct saa7115_state *state = i2c_get_clientdata(client); | |
862 | struct v4l2_pix_format *pix; | |
863 | int HPSC, HFSC; | |
864 | int VSCY, Vsrc; | |
865 | int is_50hz = state->std & V4L2_STD_625_50; | |
866 | ||
867 | if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { | |
868 | saa7115_set_lcr(client, &fmt->fmt.sliced); | |
869 | return 0; | |
870 | } | |
871 | if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
872 | return -EINVAL; | |
873 | ||
874 | pix = &(fmt->fmt.pix); | |
875 | ||
876 | saa7115_dbg("decoder set size\n"); | |
877 | ||
878 | /* FIXME need better bounds checking here */ | |
879 | if ((pix->width < 1) || (pix->width > 1440)) | |
880 | return -EINVAL; | |
881 | if ((pix->height < 1) || (pix->height > 960)) | |
882 | return -EINVAL; | |
883 | ||
884 | /* probably have a valid size, let's set it */ | |
885 | /* Set output width/height */ | |
886 | /* width */ | |
887 | saa7115_write(client, 0xcc, (u8) (pix->width & 0xff)); | |
888 | saa7115_write(client, 0xcd, (u8) ((pix->width >> 8) & 0xff)); | |
889 | /* height */ | |
890 | saa7115_write(client, 0xce, (u8) (pix->height & 0xff)); | |
891 | saa7115_write(client, 0xcf, (u8) ((pix->height >> 8) & 0xff)); | |
892 | ||
893 | /* Scaling settings */ | |
894 | /* Hprescaler is floor(inres/outres) */ | |
895 | /* FIXME hardcoding input res */ | |
896 | if (pix->width != 720) { | |
897 | HPSC = (int)(720 / pix->width); | |
898 | /* 0 is not allowed (div. by zero) */ | |
899 | HPSC = HPSC ? HPSC : 1; | |
900 | HFSC = (int)((1024 * 720) / (HPSC * pix->width)); | |
901 | ||
902 | saa7115_dbg("Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC); | |
903 | /* FIXME hardcodes to "Task B" | |
904 | * write H prescaler integer */ | |
905 | saa7115_write(client, 0xd0, (u8) (HPSC & 0x3f)); | |
906 | ||
907 | /* write H fine-scaling (luminance) */ | |
908 | saa7115_write(client, 0xd8, (u8) (HFSC & 0xff)); | |
909 | saa7115_write(client, 0xd9, (u8) ((HFSC >> 8) & 0xff)); | |
910 | /* write H fine-scaling (chrominance) | |
911 | * must be lum/2, so i'll just bitshift :) */ | |
912 | saa7115_write(client, 0xDC, (u8) ((HFSC >> 1) & 0xff)); | |
913 | saa7115_write(client, 0xDD, (u8) ((HFSC >> 9) & 0xff)); | |
914 | } else { | |
915 | if (is_50hz) { | |
916 | saa7115_dbg("Setting full 50hz width\n"); | |
917 | saa7115_writeregs(client, saa7115_cfg_50hz_fullres_x); | |
918 | } else { | |
919 | saa7115_dbg("Setting full 60hz width\n"); | |
920 | saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x); | |
921 | } | |
922 | } | |
923 | ||
924 | Vsrc = is_50hz ? 576 : 480; | |
925 | ||
926 | if (pix->height != Vsrc) { | |
927 | VSCY = (int)((1024 * Vsrc) / pix->height); | |
928 | saa7115_dbg("Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY); | |
929 | ||
930 | /* Correct Contrast and Luminance */ | |
931 | saa7115_write(client, 0xd5, (u8) (64 * 1024 / VSCY)); | |
932 | saa7115_write(client, 0xd6, (u8) (64 * 1024 / VSCY)); | |
933 | ||
934 | /* write V fine-scaling (luminance) */ | |
935 | saa7115_write(client, 0xe0, (u8) (VSCY & 0xff)); | |
936 | saa7115_write(client, 0xe1, (u8) ((VSCY >> 8) & 0xff)); | |
937 | /* write V fine-scaling (chrominance) */ | |
938 | saa7115_write(client, 0xe2, (u8) (VSCY & 0xff)); | |
939 | saa7115_write(client, 0xe3, (u8) ((VSCY >> 8) & 0xff)); | |
940 | } else { | |
941 | if (is_50hz) { | |
942 | saa7115_dbg("Setting full 50Hz height\n"); | |
943 | saa7115_writeregs(client, saa7115_cfg_50hz_fullres_y); | |
944 | } else { | |
945 | saa7115_dbg("Setting full 60hz height\n"); | |
946 | saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y); | |
947 | } | |
948 | } | |
949 | ||
950 | saa7115_writeregs(client, saa7115_cfg_reset_scaler); | |
951 | return 0; | |
952 | } | |
953 | ||
954 | /* Decode the sliced VBI data stream as created by the saa7115. | |
955 | The format is described in the saa7115 datasheet in Tables 25 and 26 | |
956 | and in Figure 33. | |
957 | The current implementation uses SAV/EAV codes and not the ancillary data | |
958 | headers. The vbi->p pointer points to the SDID byte right after the SAV | |
959 | code. */ | |
960 | static void saa7115_decode_vbi_line(struct i2c_client *client, | |
961 | struct v4l2_decode_vbi_line *vbi) | |
962 | { | |
963 | static const char vbi_no_data_pattern[] = { | |
964 | 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0 | |
965 | }; | |
966 | struct saa7115_state *state = i2c_get_clientdata(client); | |
967 | u8 *p = vbi->p; | |
968 | u32 wss; | |
969 | int id1, id2; /* the ID1 and ID2 bytes from the internal header */ | |
970 | ||
971 | vbi->type = 0; /* mark result as a failure */ | |
972 | id1 = p[2]; | |
973 | id2 = p[3]; | |
974 | /* Note: the field bit is inverted for 60 Hz video */ | |
975 | if (state->std & V4L2_STD_525_60) | |
976 | id1 ^= 0x40; | |
977 | ||
978 | /* Skip internal header, p now points to the start of the payload */ | |
979 | p += 4; | |
980 | vbi->p = p; | |
981 | ||
982 | /* calculate field and line number of the VBI packet (1-23) */ | |
983 | vbi->is_second_field = ((id1 & 0x40) != 0); | |
984 | vbi->line = (id1 & 0x3f) << 3; | |
985 | vbi->line |= (id2 & 0x70) >> 4; | |
986 | ||
987 | /* Obtain data type */ | |
988 | id2 &= 0xf; | |
989 | ||
990 | /* If the VBI slicer does not detect any signal it will fill up | |
991 | the payload buffer with 0xa0 bytes. */ | |
992 | if (!memcmp(p, vbi_no_data_pattern, sizeof(vbi_no_data_pattern))) | |
993 | return; | |
994 | ||
995 | /* decode payloads */ | |
996 | switch (id2) { | |
997 | case 1: | |
998 | vbi->type = V4L2_SLICED_TELETEXT_B; | |
999 | break; | |
1000 | case 4: | |
1001 | if (!saa7115_odd_parity(p[0]) || !saa7115_odd_parity(p[1])) | |
1002 | return; | |
1003 | vbi->type = V4L2_SLICED_CAPTION_525; | |
1004 | break; | |
1005 | case 5: | |
1006 | wss = saa7115_decode_wss(p); | |
1007 | if (wss == -1) | |
1008 | return; | |
1009 | p[0] = wss & 0xff; | |
1010 | p[1] = wss >> 8; | |
1011 | vbi->type = V4L2_SLICED_WSS_625; | |
1012 | break; | |
1013 | case 7: | |
1014 | if (saa7115_decode_vps(p, p) != 0) | |
1015 | return; | |
1016 | vbi->type = V4L2_SLICED_VPS; | |
1017 | break; | |
1018 | default: | |
1019 | return; | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | /* ============ SAA7115 AUDIO settings (end) ============= */ | |
1024 | ||
1025 | static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg) | |
1026 | { | |
1027 | struct saa7115_state *state = i2c_get_clientdata(client); | |
1028 | int *iarg = arg; | |
1029 | ||
1030 | /* ioctls to allow direct access to the saa7115 registers for testing */ | |
1031 | switch (cmd) { | |
1032 | case VIDIOC_S_FMT: | |
1033 | return saa7115_set_v4lfmt(client, (struct v4l2_format *)arg); | |
1034 | ||
1035 | case VIDIOC_G_FMT: | |
1036 | return saa7115_get_v4lfmt(client, (struct v4l2_format *)arg); | |
1037 | ||
1038 | case VIDIOC_INT_AUDIO_CLOCK_FREQ: | |
3578d3dd | 1039 | return saa7115_set_audio_clock_freq(client, *(u32 *)arg); |
e19b2fcc HV |
1040 | |
1041 | case VIDIOC_G_TUNER: | |
1042 | { | |
1043 | struct v4l2_tuner *vt = arg; | |
1044 | int status; | |
1045 | ||
1046 | status = saa7115_read(client, 0x1f); | |
1047 | ||
1048 | saa7115_dbg("status: 0x%02x\n", status); | |
1049 | vt->signal = ((status & (1 << 6)) == 0) ? 0xffff : 0x0; | |
1050 | break; | |
1051 | } | |
1052 | ||
1053 | case VIDIOC_LOG_STATUS: | |
1054 | saa7115_log_status(client); | |
1055 | break; | |
1056 | ||
1057 | case VIDIOC_G_CTRL: | |
1058 | return saa7115_get_v4lctrl(client, (struct v4l2_control *)arg); | |
1059 | ||
1060 | case VIDIOC_S_CTRL: | |
1061 | return saa7115_set_v4lctrl(client, (struct v4l2_control *)arg); | |
1062 | ||
1063 | case VIDIOC_G_STD: | |
1064 | *(v4l2_std_id *)arg = saa7115_get_v4lstd(client); | |
1065 | break; | |
1066 | ||
1067 | case VIDIOC_S_STD: | |
1068 | saa7115_set_v4lstd(client, *(v4l2_std_id *)arg); | |
1069 | break; | |
1070 | ||
1071 | case VIDIOC_G_INPUT: | |
1072 | *(int *)arg = state->input; | |
1073 | break; | |
1074 | ||
1075 | case VIDIOC_S_INPUT: | |
1076 | saa7115_dbg("decoder set input %d\n", *iarg); | |
1077 | /* inputs from 0-9 are available */ | |
1078 | if (*iarg < 0 || *iarg > 9) { | |
1079 | return -EINVAL; | |
1080 | } | |
1081 | ||
1082 | if (state->input == *iarg) | |
1083 | break; | |
1084 | saa7115_dbg("now setting %s input\n", | |
1085 | *iarg >= 6 ? "S-Video" : "Composite"); | |
1086 | state->input = *iarg; | |
1087 | ||
1088 | /* select mode */ | |
1089 | saa7115_write(client, 0x02, | |
1090 | (saa7115_read(client, 0x02) & 0xf0) | | |
1091 | state->input); | |
1092 | ||
1093 | /* bypass chrominance trap for modes 6..9 */ | |
1094 | saa7115_write(client, 0x09, | |
1095 | (saa7115_read(client, 0x09) & 0x7f) | | |
1096 | (state->input < 6 ? 0x0 : 0x80)); | |
1097 | break; | |
1098 | ||
1099 | case VIDIOC_STREAMON: | |
1100 | case VIDIOC_STREAMOFF: | |
1101 | saa7115_dbg("%s output\n", | |
1102 | (cmd == VIDIOC_STREAMON) ? "enable" : "disable"); | |
1103 | ||
1104 | if (state->enable != (cmd == VIDIOC_STREAMON)) { | |
1105 | state->enable = (cmd == VIDIOC_STREAMON); | |
1106 | saa7115_write(client, 0x87, state->enable); | |
1107 | } | |
1108 | break; | |
1109 | ||
1110 | case VIDIOC_INT_DECODE_VBI_LINE: | |
1111 | saa7115_decode_vbi_line(client, arg); | |
1112 | break; | |
1113 | ||
1114 | case VIDIOC_INT_RESET: | |
1115 | saa7115_dbg("decoder RESET\n"); | |
1116 | saa7115_writeregs(client, saa7115_cfg_reset_scaler); | |
1117 | break; | |
1118 | ||
1119 | case VIDIOC_INT_G_VBI_DATA: | |
1120 | { | |
1121 | struct v4l2_sliced_vbi_data *data = arg; | |
1122 | ||
1123 | switch (data->id) { | |
1124 | case V4L2_SLICED_WSS_625: | |
1125 | if (saa7115_read(client, 0x6b) & 0xc0) | |
1126 | return -EIO; | |
1127 | data->data[0] = saa7115_read(client, 0x6c); | |
1128 | data->data[1] = saa7115_read(client, 0x6d); | |
1129 | return 0; | |
1130 | case V4L2_SLICED_CAPTION_525: | |
1131 | if (data->field == 0) { | |
1132 | /* CC */ | |
1133 | if (saa7115_read(client, 0x66) & 0xc0) | |
1134 | return -EIO; | |
1135 | data->data[0] = saa7115_read(client, 0x67); | |
1136 | data->data[1] = saa7115_read(client, 0x68); | |
1137 | return 0; | |
1138 | } | |
1139 | /* XDS */ | |
1140 | if (saa7115_read(client, 0x66) & 0x30) | |
1141 | return -EIO; | |
1142 | data->data[0] = saa7115_read(client, 0x69); | |
1143 | data->data[1] = saa7115_read(client, 0x6a); | |
1144 | return 0; | |
1145 | default: | |
1146 | return -EINVAL; | |
1147 | } | |
1148 | break; | |
1149 | } | |
1150 | ||
1151 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1152 | case VIDIOC_INT_G_REGISTER: | |
1153 | { | |
1154 | struct v4l2_register *reg = arg; | |
1155 | ||
1156 | if (reg->i2c_id != I2C_DRIVERID_SAA711X) | |
1157 | return -EINVAL; | |
1158 | reg->val = saa7115_read(client, reg->reg & 0xff); | |
1159 | break; | |
1160 | } | |
1161 | ||
1162 | case VIDIOC_INT_S_REGISTER: | |
1163 | { | |
1164 | struct v4l2_register *reg = arg; | |
1165 | ||
1166 | if (reg->i2c_id != I2C_DRIVERID_SAA711X) | |
1167 | return -EINVAL; | |
1168 | if (!capable(CAP_SYS_ADMIN)) | |
1169 | return -EPERM; | |
1170 | saa7115_write(client, reg->reg & 0xff, reg->val & 0xff); | |
1171 | break; | |
1172 | } | |
1173 | #endif | |
1174 | ||
1175 | case VIDIOC_INT_G_CHIP_IDENT: | |
1176 | *iarg = state->ident; | |
1177 | break; | |
1178 | ||
1179 | default: | |
1180 | return -EINVAL; | |
1181 | } | |
1182 | ||
1183 | return 0; | |
1184 | } | |
1185 | ||
1186 | /* ----------------------------------------------------------------------- */ | |
1187 | ||
1188 | static struct i2c_driver i2c_driver_saa7115; | |
1189 | ||
1190 | static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind) | |
1191 | { | |
1192 | struct i2c_client *client; | |
1193 | struct saa7115_state *state; | |
1194 | u8 chip_id; | |
1195 | ||
1196 | /* Check if the adapter supports the needed features */ | |
1197 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1198 | return 0; | |
1199 | ||
1200 | client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); | |
1201 | if (client == 0) | |
1202 | return -ENOMEM; | |
1203 | memset(client, 0, sizeof(struct i2c_client)); | |
1204 | client->addr = address; | |
1205 | client->adapter = adapter; | |
1206 | client->driver = &i2c_driver_saa7115; | |
e19b2fcc HV |
1207 | snprintf(client->name, sizeof(client->name) - 1, "saa7115"); |
1208 | ||
1209 | saa7115_dbg("detecting saa7115 client on address 0x%x\n", address << 1); | |
1210 | ||
1211 | saa7115_write(client, 0, 5); | |
1212 | chip_id = saa7115_read(client, 0) & 0x0f; | |
1213 | if (chip_id != 4 && chip_id != 5) { | |
1214 | saa7115_dbg("saa7115 not found\n"); | |
1215 | kfree(client); | |
1216 | return 0; | |
1217 | } | |
1218 | if (chip_id == 4) { | |
1219 | snprintf(client->name, sizeof(client->name) - 1, "saa7114"); | |
1220 | } | |
1221 | saa7115_info("saa711%d found @ 0x%x (%s)\n", chip_id, address << 1, adapter->name); | |
1222 | ||
1223 | state = kmalloc(sizeof(struct saa7115_state), GFP_KERNEL); | |
1224 | i2c_set_clientdata(client, state); | |
1225 | if (state == NULL) { | |
1226 | kfree(client); | |
1227 | return -ENOMEM; | |
1228 | } | |
1229 | memset(state, 0, sizeof(struct saa7115_state)); | |
1230 | state->std = V4L2_STD_NTSC; | |
1231 | state->input = -1; | |
1232 | state->enable = 1; | |
1233 | state->bright = 128; | |
1234 | state->contrast = 64; | |
1235 | state->hue = 0; | |
1236 | state->sat = 64; | |
1237 | state->ident = (chip_id == 4) ? V4L2_IDENT_SAA7114 : V4L2_IDENT_SAA7115; | |
3578d3dd | 1238 | state->audclk_freq = 48000; |
e19b2fcc HV |
1239 | |
1240 | saa7115_dbg("writing init values\n"); | |
1241 | ||
1242 | /* init to 60hz/48khz */ | |
1243 | saa7115_writeregs(client, saa7115_init_auto_input); | |
1244 | saa7115_writeregs(client, saa7115_init_misc); | |
1245 | saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x); | |
1246 | saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y); | |
1247 | saa7115_writeregs(client, saa7115_cfg_60hz_video); | |
3578d3dd | 1248 | saa7115_set_audio_clock_freq(client, state->audclk_freq); |
e19b2fcc HV |
1249 | saa7115_writeregs(client, saa7115_cfg_reset_scaler); |
1250 | ||
1251 | i2c_attach_client(client); | |
1252 | ||
1253 | saa7115_dbg("status: (1E) 0x%02x, (1F) 0x%02x\n", | |
1254 | saa7115_read(client, 0x1e), saa7115_read(client, 0x1f)); | |
1255 | ||
1256 | return 0; | |
1257 | } | |
1258 | ||
1259 | static int saa7115_probe(struct i2c_adapter *adapter) | |
1260 | { | |
e19b2fcc | 1261 | if (adapter->class & I2C_CLASS_TV_ANALOG) |
e19b2fcc HV |
1262 | return i2c_probe(adapter, &addr_data, &saa7115_attach); |
1263 | return 0; | |
1264 | } | |
1265 | ||
1266 | static int saa7115_detach(struct i2c_client *client) | |
1267 | { | |
1268 | struct saa7115_state *state = i2c_get_clientdata(client); | |
1269 | int err; | |
1270 | ||
1271 | err = i2c_detach_client(client); | |
1272 | if (err) { | |
1273 | return err; | |
1274 | } | |
1275 | ||
1276 | kfree(state); | |
1277 | kfree(client); | |
1278 | return 0; | |
1279 | } | |
1280 | ||
1281 | /* ----------------------------------------------------------------------- */ | |
1282 | ||
1283 | /* i2c implementation */ | |
1284 | static struct i2c_driver i2c_driver_saa7115 = { | |
604f28e2 | 1285 | .driver = { |
604f28e2 LR |
1286 | .name = "saa7115", |
1287 | }, | |
e19b2fcc | 1288 | .id = I2C_DRIVERID_SAA711X, |
e19b2fcc HV |
1289 | .attach_adapter = saa7115_probe, |
1290 | .detach_client = saa7115_detach, | |
1291 | .command = saa7115_command, | |
e19b2fcc HV |
1292 | }; |
1293 | ||
1294 | ||
1295 | static int __init saa7115_init_module(void) | |
1296 | { | |
1297 | return i2c_add_driver(&i2c_driver_saa7115); | |
1298 | } | |
1299 | ||
1300 | static void __exit saa7115_cleanup_module(void) | |
1301 | { | |
1302 | i2c_del_driver(&i2c_driver_saa7115); | |
1303 | } | |
1304 | ||
1305 | module_init(saa7115_init_module); | |
1306 | module_exit(saa7115_cleanup_module); |