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1da177e4 LT |
1 | /* |
2 | * saa7110 - Philips SAA7110(A) video decoder driver | |
3 | * | |
4 | * Copyright (C) 1998 Pauline Middelink <middelin@polyware.nl> | |
5 | * | |
6 | * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net> | |
7 | * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> | |
8 | * - some corrections for Pinnacle Systems Inc. DC10plus card. | |
9 | * | |
10 | * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net> | |
11 | * - moved over to linux>=2.4.x i2c protocol (1/1/2003) | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
26 | */ | |
27 | ||
28 | #include <linux/module.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/types.h> | |
31 | #include <linux/delay.h> | |
32 | #include <linux/slab.h> | |
33 | #include <linux/wait.h> | |
1da177e4 | 34 | #include <asm/uaccess.h> |
85ede69f | 35 | #include <linux/i2c.h> |
e7946844 HV |
36 | #include <linux/videodev2.h> |
37 | #include <media/v4l2-device.h> | |
38 | #include <media/v4l2-chip-ident.h> | |
2d26698e | 39 | #include <media/v4l2-i2c-drv.h> |
1da177e4 LT |
40 | |
41 | MODULE_DESCRIPTION("Philips SAA7110 video decoder driver"); | |
42 | MODULE_AUTHOR("Pauline Middelink"); | |
43 | MODULE_LICENSE("GPL"); | |
44 | ||
e7946844 | 45 | |
ff699e6b | 46 | static int debug; |
1da177e4 LT |
47 | module_param(debug, int, 0); |
48 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | |
49 | ||
1da177e4 | 50 | #define SAA7110_MAX_INPUT 9 /* 6 CVBS, 3 SVHS */ |
8182ff69 | 51 | #define SAA7110_MAX_OUTPUT 1 /* 1 YUV */ |
1da177e4 | 52 | |
1da177e4 LT |
53 | #define SAA7110_NR_REG 0x35 |
54 | ||
55 | struct saa7110 { | |
e7946844 | 56 | struct v4l2_subdev sd; |
1da177e4 LT |
57 | u8 reg[SAA7110_NR_REG]; |
58 | ||
107063c6 | 59 | v4l2_std_id norm; |
1da177e4 LT |
60 | int input; |
61 | int enable; | |
62 | int bright; | |
63 | int contrast; | |
64 | int hue; | |
65 | int sat; | |
66 | ||
67 | wait_queue_head_t wq; | |
68 | }; | |
69 | ||
e7946844 HV |
70 | static inline struct saa7110 *to_saa7110(struct v4l2_subdev *sd) |
71 | { | |
72 | return container_of(sd, struct saa7110, sd); | |
73 | } | |
74 | ||
1da177e4 LT |
75 | /* ----------------------------------------------------------------------- */ |
76 | /* I2C support functions */ | |
77 | /* ----------------------------------------------------------------------- */ | |
78 | ||
e7946844 | 79 | static int saa7110_write(struct v4l2_subdev *sd, u8 reg, u8 value) |
1da177e4 | 80 | { |
e7946844 HV |
81 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
82 | struct saa7110 *decoder = to_saa7110(sd); | |
1da177e4 LT |
83 | |
84 | decoder->reg[reg] = value; | |
85 | return i2c_smbus_write_byte_data(client, reg, value); | |
86 | } | |
87 | ||
e7946844 | 88 | static int saa7110_write_block(struct v4l2_subdev *sd, const u8 *data, unsigned int len) |
1da177e4 | 89 | { |
e7946844 HV |
90 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
91 | struct saa7110 *decoder = to_saa7110(sd); | |
1da177e4 LT |
92 | int ret = -1; |
93 | u8 reg = *data; /* first register to write to */ | |
94 | ||
95 | /* Sanity check */ | |
96 | if (reg + (len - 1) > SAA7110_NR_REG) | |
97 | return ret; | |
98 | ||
99 | /* the saa7110 has an autoincrement function, use it if | |
100 | * the adapter understands raw I2C */ | |
101 | if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { | |
9aa45e34 | 102 | ret = i2c_master_send(client, data, len); |
1da177e4 LT |
103 | |
104 | /* Cache the written data */ | |
105 | memcpy(decoder->reg + reg, data + 1, len - 1); | |
106 | } else { | |
107 | for (++data, --len; len; len--) { | |
e7946844 | 108 | ret = saa7110_write(sd, reg++, *data++); |
85ede69f | 109 | if (ret < 0) |
1da177e4 LT |
110 | break; |
111 | } | |
112 | } | |
113 | ||
114 | return ret; | |
115 | } | |
116 | ||
e7946844 | 117 | static inline int saa7110_read(struct v4l2_subdev *sd) |
1da177e4 | 118 | { |
e7946844 HV |
119 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
120 | ||
1da177e4 LT |
121 | return i2c_smbus_read_byte(client); |
122 | } | |
123 | ||
124 | /* ----------------------------------------------------------------------- */ | |
125 | /* SAA7110 functions */ | |
126 | /* ----------------------------------------------------------------------- */ | |
127 | ||
e7946844 HV |
128 | #define FRESP_06H_COMPST 0x03 /*0x13*/ |
129 | #define FRESP_06H_SVIDEO 0x83 /*0xC0*/ | |
1da177e4 LT |
130 | |
131 | ||
e7946844 | 132 | static int saa7110_selmux(struct v4l2_subdev *sd, int chan) |
1da177e4 LT |
133 | { |
134 | static const unsigned char modes[9][8] = { | |
135 | /* mode 0 */ | |
136 | {FRESP_06H_COMPST, 0xD9, 0x17, 0x40, 0x03, | |
137 | 0x44, 0x75, 0x16}, | |
138 | /* mode 1 */ | |
139 | {FRESP_06H_COMPST, 0xD8, 0x17, 0x40, 0x03, | |
140 | 0x44, 0x75, 0x16}, | |
141 | /* mode 2 */ | |
142 | {FRESP_06H_COMPST, 0xBA, 0x07, 0x91, 0x03, | |
143 | 0x60, 0xB5, 0x05}, | |
144 | /* mode 3 */ | |
145 | {FRESP_06H_COMPST, 0xB8, 0x07, 0x91, 0x03, | |
146 | 0x60, 0xB5, 0x05}, | |
147 | /* mode 4 */ | |
148 | {FRESP_06H_COMPST, 0x7C, 0x07, 0xD2, 0x83, | |
149 | 0x60, 0xB5, 0x03}, | |
150 | /* mode 5 */ | |
151 | {FRESP_06H_COMPST, 0x78, 0x07, 0xD2, 0x83, | |
152 | 0x60, 0xB5, 0x03}, | |
153 | /* mode 6 */ | |
154 | {FRESP_06H_SVIDEO, 0x59, 0x17, 0x42, 0xA3, | |
155 | 0x44, 0x75, 0x12}, | |
156 | /* mode 7 */ | |
157 | {FRESP_06H_SVIDEO, 0x9A, 0x17, 0xB1, 0x13, | |
158 | 0x60, 0xB5, 0x14}, | |
159 | /* mode 8 */ | |
160 | {FRESP_06H_SVIDEO, 0x3C, 0x27, 0xC1, 0x23, | |
161 | 0x44, 0x75, 0x21} | |
162 | }; | |
e7946844 | 163 | struct saa7110 *decoder = to_saa7110(sd); |
1da177e4 LT |
164 | const unsigned char *ptr = modes[chan]; |
165 | ||
e7946844 HV |
166 | saa7110_write(sd, 0x06, ptr[0]); /* Luminance control */ |
167 | saa7110_write(sd, 0x20, ptr[1]); /* Analog Control #1 */ | |
168 | saa7110_write(sd, 0x21, ptr[2]); /* Analog Control #2 */ | |
169 | saa7110_write(sd, 0x22, ptr[3]); /* Mixer Control #1 */ | |
170 | saa7110_write(sd, 0x2C, ptr[4]); /* Mixer Control #2 */ | |
171 | saa7110_write(sd, 0x30, ptr[5]); /* ADCs gain control */ | |
172 | saa7110_write(sd, 0x31, ptr[6]); /* Mixer Control #3 */ | |
173 | saa7110_write(sd, 0x21, ptr[7]); /* Analog Control #2 */ | |
1da177e4 LT |
174 | decoder->input = chan; |
175 | ||
176 | return 0; | |
177 | } | |
178 | ||
179 | static const unsigned char initseq[1 + SAA7110_NR_REG] = { | |
180 | 0, 0x4C, 0x3C, 0x0D, 0xEF, 0xBD, 0xF2, 0x03, 0x00, | |
181 | /* 0x08 */ 0xF8, 0xF8, 0x60, 0x60, 0x00, 0x86, 0x18, 0x90, | |
182 | /* 0x10 */ 0x00, 0x59, 0x40, 0x46, 0x42, 0x1A, 0xFF, 0xDA, | |
183 | /* 0x18 */ 0xF2, 0x8B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
184 | /* 0x20 */ 0xD9, 0x16, 0x40, 0x41, 0x80, 0x41, 0x80, 0x4F, | |
185 | /* 0x28 */ 0xFE, 0x01, 0xCF, 0x0F, 0x03, 0x01, 0x03, 0x0C, | |
186 | /* 0x30 */ 0x44, 0x71, 0x02, 0x8C, 0x02 | |
187 | }; | |
188 | ||
e7946844 | 189 | static v4l2_std_id determine_norm(struct v4l2_subdev *sd) |
1da177e4 LT |
190 | { |
191 | DEFINE_WAIT(wait); | |
e7946844 | 192 | struct saa7110 *decoder = to_saa7110(sd); |
1da177e4 LT |
193 | int status; |
194 | ||
195 | /* mode changed, start automatic detection */ | |
e7946844 HV |
196 | saa7110_write_block(sd, initseq, sizeof(initseq)); |
197 | saa7110_selmux(sd, decoder->input); | |
1da177e4 | 198 | prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE); |
09df5cbe | 199 | schedule_timeout(msecs_to_jiffies(250)); |
1da177e4 | 200 | finish_wait(&decoder->wq, &wait); |
e7946844 | 201 | status = saa7110_read(sd); |
1da177e4 | 202 | if (status & 0x40) { |
e7946844 HV |
203 | v4l2_dbg(1, debug, sd, "status=0x%02x (no signal)\n", status); |
204 | return decoder->norm; /* no change*/ | |
1da177e4 LT |
205 | } |
206 | if ((status & 3) == 0) { | |
e7946844 | 207 | saa7110_write(sd, 0x06, 0x83); |
1da177e4 | 208 | if (status & 0x20) { |
e7946844 HV |
209 | v4l2_dbg(1, debug, sd, "status=0x%02x (NTSC/no color)\n", status); |
210 | /*saa7110_write(sd,0x2E,0x81);*/ | |
107063c6 | 211 | return V4L2_STD_NTSC; |
1da177e4 | 212 | } |
e7946844 HV |
213 | v4l2_dbg(1, debug, sd, "status=0x%02x (PAL/no color)\n", status); |
214 | /*saa7110_write(sd,0x2E,0x9A);*/ | |
107063c6 | 215 | return V4L2_STD_PAL; |
1da177e4 | 216 | } |
e7946844 | 217 | /*saa7110_write(sd,0x06,0x03);*/ |
1da177e4 | 218 | if (status & 0x20) { /* 60Hz */ |
e7946844 HV |
219 | v4l2_dbg(1, debug, sd, "status=0x%02x (NTSC)\n", status); |
220 | saa7110_write(sd, 0x0D, 0x86); | |
221 | saa7110_write(sd, 0x0F, 0x50); | |
222 | saa7110_write(sd, 0x11, 0x2C); | |
223 | /*saa7110_write(sd,0x2E,0x81);*/ | |
107063c6 | 224 | return V4L2_STD_NTSC; |
1da177e4 LT |
225 | } |
226 | ||
227 | /* 50Hz -> PAL/SECAM */ | |
e7946844 HV |
228 | saa7110_write(sd, 0x0D, 0x86); |
229 | saa7110_write(sd, 0x0F, 0x10); | |
230 | saa7110_write(sd, 0x11, 0x59); | |
231 | /*saa7110_write(sd,0x2E,0x9A);*/ | |
1da177e4 LT |
232 | |
233 | prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE); | |
09df5cbe | 234 | schedule_timeout(msecs_to_jiffies(250)); |
1da177e4 LT |
235 | finish_wait(&decoder->wq, &wait); |
236 | ||
e7946844 | 237 | status = saa7110_read(sd); |
1da177e4 | 238 | if ((status & 0x03) == 0x01) { |
e7946844 HV |
239 | v4l2_dbg(1, debug, sd, "status=0x%02x (SECAM)\n", status); |
240 | saa7110_write(sd, 0x0D, 0x87); | |
107063c6 | 241 | return V4L2_STD_SECAM; |
1da177e4 | 242 | } |
e7946844 | 243 | v4l2_dbg(1, debug, sd, "status=0x%02x (PAL)\n", status); |
107063c6 | 244 | return V4L2_STD_PAL; |
1da177e4 LT |
245 | } |
246 | ||
e7946844 | 247 | static int saa7110_g_input_status(struct v4l2_subdev *sd, u32 *pstatus) |
1da177e4 | 248 | { |
e7946844 HV |
249 | struct saa7110 *decoder = to_saa7110(sd); |
250 | int res = V4L2_IN_ST_NO_SIGNAL; | |
251 | int status = saa7110_read(sd); | |
252 | ||
253 | v4l2_dbg(1, debug, sd, "status=0x%02x norm=%llx\n", | |
cc5cef8e | 254 | status, (unsigned long long)decoder->norm); |
e7946844 HV |
255 | if (!(status & 0x40)) |
256 | res = 0; | |
257 | if (!(status & 0x03)) | |
258 | res |= V4L2_IN_ST_NO_COLOR; | |
259 | ||
260 | *pstatus = res; | |
261 | return 0; | |
262 | } | |
1da177e4 | 263 | |
e7946844 HV |
264 | static int saa7110_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) |
265 | { | |
266 | *(v4l2_std_id *)std = determine_norm(sd); | |
267 | return 0; | |
268 | } | |
1da177e4 | 269 | |
e7946844 HV |
270 | static int saa7110_s_std(struct v4l2_subdev *sd, v4l2_std_id std) |
271 | { | |
272 | struct saa7110 *decoder = to_saa7110(sd); | |
273 | ||
274 | if (decoder->norm != std) { | |
275 | decoder->norm = std; | |
276 | /*saa7110_write(sd, 0x06, 0x03);*/ | |
277 | if (std & V4L2_STD_NTSC) { | |
278 | saa7110_write(sd, 0x0D, 0x86); | |
279 | saa7110_write(sd, 0x0F, 0x50); | |
280 | saa7110_write(sd, 0x11, 0x2C); | |
281 | /*saa7110_write(sd, 0x2E, 0x81);*/ | |
282 | v4l2_dbg(1, debug, sd, "switched to NTSC\n"); | |
283 | } else if (std & V4L2_STD_PAL) { | |
284 | saa7110_write(sd, 0x0D, 0x86); | |
285 | saa7110_write(sd, 0x0F, 0x10); | |
286 | saa7110_write(sd, 0x11, 0x59); | |
287 | /*saa7110_write(sd, 0x2E, 0x9A);*/ | |
288 | v4l2_dbg(1, debug, sd, "switched to PAL\n"); | |
289 | } else if (std & V4L2_STD_SECAM) { | |
290 | saa7110_write(sd, 0x0D, 0x87); | |
291 | saa7110_write(sd, 0x0F, 0x10); | |
292 | saa7110_write(sd, 0x11, 0x59); | |
293 | /*saa7110_write(sd, 0x2E, 0x9A);*/ | |
294 | v4l2_dbg(1, debug, sd, "switched to SECAM\n"); | |
295 | } else { | |
296 | return -EINVAL; | |
297 | } | |
298 | } | |
299 | return 0; | |
300 | } | |
1da177e4 | 301 | |
5325b427 HV |
302 | static int saa7110_s_routing(struct v4l2_subdev *sd, |
303 | u32 input, u32 output, u32 config) | |
e7946844 HV |
304 | { |
305 | struct saa7110 *decoder = to_saa7110(sd); | |
306 | ||
5325b427 HV |
307 | if (input < 0 || input >= SAA7110_MAX_INPUT) { |
308 | v4l2_dbg(1, debug, sd, "input=%d not available\n", input); | |
e7946844 | 309 | return -EINVAL; |
85ede69f | 310 | } |
5325b427 HV |
311 | if (decoder->input != input) { |
312 | saa7110_selmux(sd, input); | |
313 | v4l2_dbg(1, debug, sd, "switched to input=%d\n", input); | |
e7946844 HV |
314 | } |
315 | return 0; | |
316 | } | |
1da177e4 | 317 | |
e7946844 HV |
318 | static int saa7110_s_stream(struct v4l2_subdev *sd, int enable) |
319 | { | |
320 | struct saa7110 *decoder = to_saa7110(sd); | |
321 | ||
322 | if (decoder->enable != enable) { | |
323 | decoder->enable = enable; | |
324 | saa7110_write(sd, 0x0E, enable ? 0x18 : 0x80); | |
325 | v4l2_dbg(1, debug, sd, "YUV %s\n", enable ? "on" : "off"); | |
107063c6 | 326 | } |
e7946844 HV |
327 | return 0; |
328 | } | |
107063c6 | 329 | |
e7946844 HV |
330 | static int saa7110_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) |
331 | { | |
332 | switch (qc->id) { | |
333 | case V4L2_CID_BRIGHTNESS: | |
334 | return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128); | |
335 | case V4L2_CID_CONTRAST: | |
336 | case V4L2_CID_SATURATION: | |
337 | return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64); | |
338 | case V4L2_CID_HUE: | |
339 | return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0); | |
340 | default: | |
341 | return -EINVAL; | |
342 | } | |
343 | return 0; | |
344 | } | |
1da177e4 | 345 | |
e7946844 HV |
346 | static int saa7110_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
347 | { | |
348 | struct saa7110 *decoder = to_saa7110(sd); | |
349 | ||
350 | switch (ctrl->id) { | |
351 | case V4L2_CID_BRIGHTNESS: | |
352 | ctrl->value = decoder->bright; | |
353 | break; | |
354 | case V4L2_CID_CONTRAST: | |
355 | ctrl->value = decoder->contrast; | |
356 | break; | |
357 | case V4L2_CID_SATURATION: | |
358 | ctrl->value = decoder->sat; | |
359 | break; | |
360 | case V4L2_CID_HUE: | |
361 | ctrl->value = decoder->hue; | |
1da177e4 | 362 | break; |
e7946844 HV |
363 | default: |
364 | return -EINVAL; | |
365 | } | |
366 | return 0; | |
367 | } | |
1da177e4 | 368 | |
e7946844 HV |
369 | static int saa7110_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
370 | { | |
371 | struct saa7110 *decoder = to_saa7110(sd); | |
372 | ||
373 | switch (ctrl->id) { | |
374 | case V4L2_CID_BRIGHTNESS: | |
375 | if (decoder->bright != ctrl->value) { | |
376 | decoder->bright = ctrl->value; | |
377 | saa7110_write(sd, 0x19, decoder->bright); | |
1da177e4 LT |
378 | } |
379 | break; | |
e7946844 HV |
380 | case V4L2_CID_CONTRAST: |
381 | if (decoder->contrast != ctrl->value) { | |
382 | decoder->contrast = ctrl->value; | |
383 | saa7110_write(sd, 0x13, decoder->contrast); | |
1da177e4 | 384 | } |
107063c6 | 385 | break; |
e7946844 HV |
386 | case V4L2_CID_SATURATION: |
387 | if (decoder->sat != ctrl->value) { | |
388 | decoder->sat = ctrl->value; | |
389 | saa7110_write(sd, 0x12, decoder->sat); | |
1da177e4 | 390 | } |
1da177e4 | 391 | break; |
e7946844 HV |
392 | case V4L2_CID_HUE: |
393 | if (decoder->hue != ctrl->value) { | |
394 | decoder->hue = ctrl->value; | |
395 | saa7110_write(sd, 0x07, decoder->hue); | |
1da177e4 LT |
396 | } |
397 | break; | |
1da177e4 | 398 | default: |
1da177e4 LT |
399 | return -EINVAL; |
400 | } | |
401 | return 0; | |
402 | } | |
403 | ||
e7946844 HV |
404 | static int saa7110_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) |
405 | { | |
406 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
407 | ||
408 | return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_SAA7110, 0); | |
409 | } | |
410 | ||
1da177e4 LT |
411 | /* ----------------------------------------------------------------------- */ |
412 | ||
e7946844 HV |
413 | static const struct v4l2_subdev_core_ops saa7110_core_ops = { |
414 | .g_chip_ident = saa7110_g_chip_ident, | |
415 | .g_ctrl = saa7110_g_ctrl, | |
416 | .s_ctrl = saa7110_s_ctrl, | |
417 | .queryctrl = saa7110_queryctrl, | |
e7946844 HV |
418 | .s_std = saa7110_s_std, |
419 | }; | |
1da177e4 | 420 | |
e7946844 HV |
421 | static const struct v4l2_subdev_video_ops saa7110_video_ops = { |
422 | .s_routing = saa7110_s_routing, | |
423 | .s_stream = saa7110_s_stream, | |
424 | .querystd = saa7110_querystd, | |
425 | .g_input_status = saa7110_g_input_status, | |
426 | }; | |
427 | ||
428 | static const struct v4l2_subdev_ops saa7110_ops = { | |
429 | .core = &saa7110_core_ops, | |
e7946844 HV |
430 | .video = &saa7110_video_ops, |
431 | }; | |
432 | ||
433 | /* ----------------------------------------------------------------------- */ | |
1da177e4 | 434 | |
85ede69f HV |
435 | static int saa7110_probe(struct i2c_client *client, |
436 | const struct i2c_device_id *id) | |
1da177e4 | 437 | { |
1da177e4 | 438 | struct saa7110 *decoder; |
e7946844 | 439 | struct v4l2_subdev *sd; |
1da177e4 LT |
440 | int rv; |
441 | ||
1da177e4 | 442 | /* Check if the adapter supports the needed features */ |
85ede69f HV |
443 | if (!i2c_check_functionality(client->adapter, |
444 | I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) | |
445 | return -ENODEV; | |
1da177e4 | 446 | |
85ede69f HV |
447 | v4l_info(client, "chip found @ 0x%x (%s)\n", |
448 | client->addr << 1, client->adapter->name); | |
1da177e4 | 449 | |
7408187d | 450 | decoder = kzalloc(sizeof(struct saa7110), GFP_KERNEL); |
85ede69f | 451 | if (!decoder) |
1da177e4 | 452 | return -ENOMEM; |
e7946844 HV |
453 | sd = &decoder->sd; |
454 | v4l2_i2c_subdev_init(sd, client, &saa7110_ops); | |
107063c6 | 455 | decoder->norm = V4L2_STD_PAL; |
1da177e4 LT |
456 | decoder->input = 0; |
457 | decoder->enable = 1; | |
458 | decoder->bright = 32768; | |
459 | decoder->contrast = 32768; | |
460 | decoder->hue = 32768; | |
461 | decoder->sat = 32768; | |
462 | init_waitqueue_head(&decoder->wq); | |
1da177e4 | 463 | |
e7946844 | 464 | rv = saa7110_write_block(sd, initseq, sizeof(initseq)); |
85ede69f | 465 | if (rv < 0) { |
e7946844 | 466 | v4l2_dbg(1, debug, sd, "init status %d\n", rv); |
85ede69f | 467 | } else { |
1da177e4 | 468 | int ver, status; |
e7946844 HV |
469 | saa7110_write(sd, 0x21, 0x10); |
470 | saa7110_write(sd, 0x0e, 0x18); | |
471 | saa7110_write(sd, 0x0D, 0x04); | |
472 | ver = saa7110_read(sd); | |
473 | saa7110_write(sd, 0x0D, 0x06); | |
474 | /*mdelay(150);*/ | |
475 | status = saa7110_read(sd); | |
476 | v4l2_dbg(1, debug, sd, "version %x, status=0x%02x\n", | |
85ede69f | 477 | ver, status); |
e7946844 HV |
478 | saa7110_write(sd, 0x0D, 0x86); |
479 | saa7110_write(sd, 0x0F, 0x10); | |
480 | saa7110_write(sd, 0x11, 0x59); | |
481 | /*saa7110_write(sd, 0x2E, 0x9A);*/ | |
1da177e4 LT |
482 | } |
483 | ||
e7946844 HV |
484 | /*saa7110_selmux(sd,0);*/ |
485 | /*determine_norm(sd);*/ | |
1da177e4 LT |
486 | /* setup and implicit mode 0 select has been performed */ |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
85ede69f | 491 | static int saa7110_remove(struct i2c_client *client) |
1da177e4 | 492 | { |
e7946844 HV |
493 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
494 | ||
495 | v4l2_device_unregister_subdev(sd); | |
496 | kfree(to_saa7110(sd)); | |
1da177e4 LT |
497 | return 0; |
498 | } | |
499 | ||
500 | /* ----------------------------------------------------------------------- */ | |
501 | ||
85ede69f HV |
502 | static const struct i2c_device_id saa7110_id[] = { |
503 | { "saa7110", 0 }, | |
504 | { } | |
505 | }; | |
506 | MODULE_DEVICE_TABLE(i2c, saa7110_id); | |
1da177e4 | 507 | |
85ede69f HV |
508 | static struct v4l2_i2c_driver_data v4l2_i2c_data = { |
509 | .name = "saa7110", | |
85ede69f HV |
510 | .probe = saa7110_probe, |
511 | .remove = saa7110_remove, | |
512 | .id_table = saa7110_id, | |
1da177e4 | 513 | }; |