Commit | Line | Data |
---|---|---|
a6c2ba28 | 1 | /* |
0e7072ef | 2 | em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices |
a6c2ba28 | 3 | |
4 | Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com> | |
4ac97914 | 5 | Ludovico Cavedon <cavedon@sssup.it> |
2e7c6dc3 | 6 | Mauro Carvalho Chehab <mchehab@infradead.org> |
a6c2ba28 | 7 | |
8 | Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de> | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | */ | |
24 | ||
3acf2809 MCC |
25 | #ifndef _EM28XX_H |
26 | #define _EM28XX_H | |
a6c2ba28 | 27 | |
28 | #include <linux/videodev.h> | |
29 | #include <linux/i2c.h> | |
3593cab5 | 30 | #include <linux/mutex.h> |
d5e52653 | 31 | #include <media/ir-kbd-i2c.h> |
a6c2ba28 | 32 | |
596d92d5 MCC |
33 | /* Boards supported by driver */ |
34 | ||
35 | #define EM2800_BOARD_UNKNOWN 0 | |
36 | #define EM2820_BOARD_UNKNOWN 1 | |
37 | #define EM2820_BOARD_TERRATEC_CINERGY_250 2 | |
38 | #define EM2820_BOARD_PINNACLE_USB_2 3 | |
39 | #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4 | |
40 | #define EM2820_BOARD_MSI_VOX_USB_2 5 | |
41 | #define EM2800_BOARD_TERRATEC_CINERGY_200 6 | |
42 | #define EM2800_BOARD_LEADTEK_WINFAST_USBII 7 | |
43 | #define EM2800_BOARD_KWORLD_USB2800 8 | |
45632c4f | 44 | #define EM2820_BOARD_PINNACLE_DVC_90 9 |
4d17d083 MR |
45 | #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10 |
46 | #define EM2880_BOARD_TERRATEC_HYBRID_XS 11 | |
47 | #define EM2820_BOARD_KWORLD_PVRTV2800RF 12 | |
282b7cb3 | 48 | #define EM2880_BOARD_TERRATEC_PRODIGY_XS 13 |
596d92d5 MCC |
49 | |
50 | #define UNSET -1 | |
51 | ||
52 | /* maximum number of em28xx boards */ | |
3acf2809 | 53 | #define EM28XX_MAXBOARDS 1 /*FIXME: should be bigger */ |
596d92d5 | 54 | |
a6c2ba28 | 55 | /* maximum number of frames that can be queued */ |
3acf2809 | 56 | #define EM28XX_NUM_FRAMES 5 |
a6c2ba28 | 57 | /* number of frames that get used for v4l2_read() */ |
3acf2809 | 58 | #define EM28XX_NUM_READ_FRAMES 2 |
a6c2ba28 | 59 | |
60 | /* number of buffers for isoc transfers */ | |
3acf2809 | 61 | #define EM28XX_NUM_BUFS 5 |
a6c2ba28 | 62 | |
d5e52653 MCC |
63 | /* number of packets for each buffer |
64 | windows requests only 40 packets .. so we better do the same | |
65 | this is what I found out for all alternate numbers there! | |
66 | */ | |
3acf2809 | 67 | #define EM28XX_NUM_PACKETS 40 |
a6c2ba28 | 68 | |
a6c2ba28 | 69 | /* default alternate; 0 means choose the best */ |
3acf2809 | 70 | #define EM28XX_PINOUT 0 |
a6c2ba28 | 71 | |
3acf2809 | 72 | #define EM28XX_INTERLACED_DEFAULT 1 |
a6c2ba28 | 73 | |
74 | /* | |
75 | #define (use usbview if you want to get the other alternate number infos) | |
76 | #define | |
77 | #define alternate number 2 | |
78 | #define Endpoint Address: 82 | |
79 | Direction: in | |
80 | Attribute: 1 | |
81 | Type: Isoc | |
82 | Max Packet Size: 1448 | |
83 | Interval: 125us | |
84 | ||
85 | alternate number 7 | |
86 | ||
87 | Endpoint Address: 82 | |
88 | Direction: in | |
89 | Attribute: 1 | |
90 | Type: Isoc | |
91 | Max Packet Size: 3072 | |
92 | Interval: 125us | |
93 | */ | |
94 | ||
95 | /* time to wait when stopping the isoc transfer */ | |
3acf2809 | 96 | #define EM28XX_URB_TIMEOUT msecs_to_jiffies(EM28XX_NUM_BUFS * EM28XX_NUM_PACKETS) |
a6c2ba28 | 97 | |
596d92d5 MCC |
98 | /* time in msecs to wait for i2c writes to finish */ |
99 | #define EM2800_I2C_WRITE_TIMEOUT 20 | |
100 | ||
a6c2ba28 | 101 | /* the various frame states */ |
3acf2809 | 102 | enum em28xx_frame_state { |
a6c2ba28 | 103 | F_UNUSED = 0, |
104 | F_QUEUED, | |
105 | F_GRABBING, | |
106 | F_DONE, | |
107 | F_ERROR, | |
108 | }; | |
109 | ||
110 | /* stream states */ | |
3acf2809 | 111 | enum em28xx_stream_state { |
a6c2ba28 | 112 | STREAM_OFF, |
113 | STREAM_INTERRUPT, | |
114 | STREAM_ON, | |
115 | }; | |
116 | ||
117 | /* frames */ | |
3acf2809 | 118 | struct em28xx_frame_t { |
a6c2ba28 | 119 | void *bufmem; |
120 | struct v4l2_buffer buf; | |
3acf2809 | 121 | enum em28xx_frame_state state; |
a6c2ba28 | 122 | struct list_head frame; |
123 | unsigned long vma_use_count; | |
124 | int top_field; | |
125 | int fieldbytesused; | |
126 | }; | |
127 | ||
128 | /* io methods */ | |
3acf2809 | 129 | enum em28xx_io_method { |
a6c2ba28 | 130 | IO_NONE, |
131 | IO_READ, | |
132 | IO_MMAP, | |
133 | }; | |
134 | ||
135 | /* inputs */ | |
136 | ||
3acf2809 MCC |
137 | #define MAX_EM28XX_INPUT 4 |
138 | enum enum28xx_itype { | |
139 | EM28XX_VMUX_COMPOSITE1 = 1, | |
140 | EM28XX_VMUX_COMPOSITE2, | |
141 | EM28XX_VMUX_COMPOSITE3, | |
142 | EM28XX_VMUX_COMPOSITE4, | |
143 | EM28XX_VMUX_SVIDEO, | |
144 | EM28XX_VMUX_TELEVISION, | |
145 | EM28XX_VMUX_CABLE, | |
146 | EM28XX_VMUX_DVB, | |
147 | EM28XX_VMUX_DEBUG, | |
148 | EM28XX_RADIO, | |
a6c2ba28 | 149 | }; |
150 | ||
3acf2809 MCC |
151 | struct em28xx_input { |
152 | enum enum28xx_itype type; | |
a6c2ba28 | 153 | unsigned int vmux; |
154 | unsigned int amux; | |
155 | }; | |
156 | ||
3acf2809 | 157 | #define INPUT(nr) (&em28xx_boards[dev->model].input[nr]) |
a6c2ba28 | 158 | |
3acf2809 MCC |
159 | enum em28xx_decoder { |
160 | EM28XX_TVP5150, | |
161 | EM28XX_SAA7113, | |
162 | EM28XX_SAA7114 | |
a6c2ba28 | 163 | }; |
164 | ||
3acf2809 | 165 | struct em28xx_board { |
a6c2ba28 | 166 | char *name; |
a6c2ba28 | 167 | int vchannels; |
168 | int norm; | |
169 | int tuner_type; | |
170 | ||
171 | /* i2c flags */ | |
596d92d5 | 172 | unsigned int is_em2800; |
a6c2ba28 | 173 | unsigned int tda9887_conf; |
174 | ||
175 | unsigned int has_tuner:1; | |
176 | unsigned int has_msp34xx:1; | |
177 | ||
3acf2809 | 178 | enum em28xx_decoder decoder; |
a6c2ba28 | 179 | |
3acf2809 | 180 | struct em28xx_input input[MAX_EM28XX_INPUT]; |
a6c2ba28 | 181 | }; |
182 | ||
3acf2809 | 183 | struct em28xx_eeprom { |
a6c2ba28 | 184 | u32 id; /* 0x9567eb1a */ |
185 | u16 vendor_ID; | |
186 | u16 product_ID; | |
187 | ||
188 | u16 chip_conf; | |
189 | ||
190 | u16 board_conf; | |
191 | ||
192 | u16 string1, string2, string3; | |
193 | ||
194 | u8 string_idx_table; | |
195 | }; | |
196 | ||
197 | /* device states */ | |
3acf2809 | 198 | enum em28xx_dev_state { |
a6c2ba28 | 199 | DEV_INITIALIZED = 0x01, |
200 | DEV_DISCONNECTED = 0x02, | |
201 | DEV_MISCONFIGURED = 0x04, | |
202 | }; | |
203 | ||
204 | /* tvnorms */ | |
3acf2809 | 205 | struct em28xx_tvnorm { |
a6c2ba28 | 206 | char *name; |
207 | v4l2_std_id id; | |
208 | /* mode for saa7113h */ | |
209 | int mode; | |
210 | }; | |
211 | ||
212 | /* main device struct */ | |
3acf2809 | 213 | struct em28xx { |
a6c2ba28 | 214 | /* generic device properties */ |
215 | char name[30]; /* name (including minor) of the device */ | |
216 | int model; /* index in the device_data struct */ | |
e5589bef | 217 | int devno; /* marks the number of this device */ |
596d92d5 | 218 | unsigned int is_em2800; |
a6c2ba28 | 219 | int video_inputs; /* number of video inputs */ |
9c75541f | 220 | struct list_head devlist; |
a6c2ba28 | 221 | unsigned int has_tuner:1; |
222 | unsigned int has_msp34xx:1; | |
223 | unsigned int has_tda9887:1; | |
224 | ||
9bb13a6d MCC |
225 | u32 i2s_speed; /* I2S speed for audio digital stream */ |
226 | ||
3acf2809 | 227 | enum em28xx_decoder decoder; |
a6c2ba28 | 228 | |
229 | int tuner_type; /* type of the tuner */ | |
230 | int tuner_addr; /* tuner address */ | |
231 | int tda9887_conf; | |
232 | /* i2c i/o */ | |
233 | struct i2c_adapter i2c_adap; | |
234 | struct i2c_client i2c_client; | |
235 | /* video for linux */ | |
236 | int users; /* user count for exclusive use */ | |
237 | struct video_device *vdev; /* video for linux device struct */ | |
238 | struct video_picture vpic; /* picture settings only used to init saa7113h */ | |
3acf2809 | 239 | struct em28xx_tvnorm *tvnorm; /* selected tv norm */ |
a6c2ba28 | 240 | int ctl_freq; /* selected frequency */ |
241 | unsigned int ctl_input; /* selected input */ | |
242 | unsigned int ctl_ainput; /* slected audio input */ | |
243 | int mute; | |
244 | int volume; | |
245 | /* frame properties */ | |
3acf2809 | 246 | struct em28xx_frame_t frame[EM28XX_NUM_FRAMES]; /* list of frames */ |
a6c2ba28 | 247 | int num_frames; /* number of frames currently in use */ |
248 | unsigned int frame_count; /* total number of transfered frames */ | |
3acf2809 | 249 | struct em28xx_frame_t *frame_current; /* the frame that is being filled */ |
a6c2ba28 | 250 | int width; /* current frame width */ |
251 | int height; /* current frame height */ | |
252 | int frame_size; /* current frame size */ | |
253 | int field_size; /* current field size */ | |
254 | int bytesperline; | |
255 | int hscale; /* horizontal scale factor (see datasheet) */ | |
256 | int vscale; /* vertical scale factor (see datasheet) */ | |
257 | int interlaced; /* 1=interlace fileds, 0=just top fileds */ | |
258 | int type; | |
259 | ||
03910cc3 MCC |
260 | unsigned long hash; /* eeprom hash - for boards with generic ID */ |
261 | ||
a6c2ba28 | 262 | /* states */ |
3acf2809 MCC |
263 | enum em28xx_dev_state state; |
264 | enum em28xx_stream_state stream; | |
265 | enum em28xx_io_method io; | |
a6c2ba28 | 266 | /* locks */ |
3593cab5 | 267 | struct mutex lock, fileop_lock; |
a6c2ba28 | 268 | spinlock_t queue_lock; |
269 | struct list_head inqueue, outqueue; | |
270 | wait_queue_head_t open, wait_frame, wait_stream; | |
271 | struct video_device *vbi_dev; | |
272 | ||
273 | unsigned char eedata[256]; | |
274 | ||
275 | /* usb transfer */ | |
276 | struct usb_device *udev; /* the usb device */ | |
277 | int alt; /* alternate */ | |
278 | int max_pkt_size; /* max packet size of isoc transaction */ | |
9d4d9c05 MCC |
279 | int num_alt; /* Number of alternative settings */ |
280 | unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */ | |
3acf2809 MCC |
281 | struct urb *urb[EM28XX_NUM_BUFS]; /* urb for isoc transfers */ |
282 | char *transfer_buffer[EM28XX_NUM_BUFS]; /* transfer buffers for isoc transfer */ | |
a6c2ba28 | 283 | /* helper funcs that call usb_control_msg */ |
3acf2809 | 284 | int (*em28xx_write_regs) (struct em28xx * dev, u16 reg, char *buf, |
a6c2ba28 | 285 | int len); |
3acf2809 MCC |
286 | int (*em28xx_read_reg) (struct em28xx * dev, u16 reg); |
287 | int (*em28xx_read_reg_req_len) (struct em28xx * dev, u8 req, u16 reg, | |
a6c2ba28 | 288 | char *buf, int len); |
3acf2809 | 289 | int (*em28xx_write_regs_req) (struct em28xx * dev, u8 req, u16 reg, |
a6c2ba28 | 290 | char *buf, int len); |
3acf2809 | 291 | int (*em28xx_read_reg_req) (struct em28xx * dev, u8 req, u16 reg); |
a6c2ba28 | 292 | }; |
293 | ||
3acf2809 | 294 | /* Provided by em28xx-i2c.c */ |
a6c2ba28 | 295 | |
3acf2809 MCC |
296 | void em28xx_i2c_call_clients(struct em28xx *dev, unsigned int cmd, void *arg); |
297 | int em28xx_i2c_register(struct em28xx *dev); | |
298 | int em28xx_i2c_unregister(struct em28xx *dev); | |
a6c2ba28 | 299 | |
3acf2809 | 300 | /* Provided by em28xx-input.c */ |
d5e52653 | 301 | |
3acf2809 | 302 | void em28xx_set_ir(struct em28xx * dev,struct IR_i2c *ir); |
d5e52653 | 303 | |
3acf2809 | 304 | /* Provided by em28xx-core.c */ |
a6c2ba28 | 305 | |
3acf2809 MCC |
306 | u32 em28xx_request_buffers(struct em28xx *dev, u32 count); |
307 | void em28xx_queue_unusedframes(struct em28xx *dev); | |
308 | void em28xx_release_buffers(struct em28xx *dev); | |
a6c2ba28 | 309 | |
3acf2809 | 310 | int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, |
a6c2ba28 | 311 | char *buf, int len); |
3acf2809 MCC |
312 | int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg); |
313 | int em28xx_read_reg(struct em28xx *dev, u16 reg); | |
314 | int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, | |
a6c2ba28 | 315 | int len); |
3acf2809 MCC |
316 | int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); |
317 | int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, | |
a6c2ba28 | 318 | u8 bitmask); |
3acf2809 MCC |
319 | int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 * val); |
320 | int em28xx_audio_analog_set(struct em28xx *dev); | |
321 | int em28xx_colorlevels_set_default(struct em28xx *dev); | |
322 | int em28xx_capture_start(struct em28xx *dev, int start); | |
323 | int em28xx_outfmt_set_yuv422(struct em28xx *dev); | |
3acf2809 | 324 | int em28xx_resolution_set(struct em28xx *dev); |
3acf2809 MCC |
325 | int em28xx_init_isoc(struct em28xx *dev); |
326 | void em28xx_uninit_isoc(struct em28xx *dev); | |
327 | int em28xx_set_alternate(struct em28xx *dev); | |
328 | ||
329 | /* Provided by em28xx-cards.c */ | |
596d92d5 | 330 | extern int em2800_variant_detect(struct usb_device* udev,int model); |
a94e95b4 | 331 | extern void em28xx_pre_card_setup(struct em28xx *dev); |
3acf2809 MCC |
332 | extern void em28xx_card_setup(struct em28xx *dev); |
333 | extern struct em28xx_board em28xx_boards[]; | |
334 | extern struct usb_device_id em28xx_id_table[]; | |
335 | extern const unsigned int em28xx_bcount; | |
a6c2ba28 | 336 | |
3acf2809 | 337 | /* em28xx registers */ |
596d92d5 | 338 | #define CHIPID_REG 0x0a |
a6c2ba28 | 339 | #define USBSUSP_REG 0x0c /* */ |
340 | ||
341 | #define AUDIOSRC_REG 0x0e | |
342 | #define XCLK_REG 0x0f | |
343 | ||
344 | #define VINMODE_REG 0x10 | |
345 | #define VINCTRL_REG 0x11 | |
346 | #define VINENABLE_REG 0x12 /* */ | |
347 | ||
348 | #define GAMMA_REG 0x14 | |
349 | #define RGAIN_REG 0x15 | |
350 | #define GGAIN_REG 0x16 | |
351 | #define BGAIN_REG 0x17 | |
352 | #define ROFFSET_REG 0x18 | |
353 | #define GOFFSET_REG 0x19 | |
354 | #define BOFFSET_REG 0x1a | |
355 | ||
356 | #define OFLOW_REG 0x1b | |
357 | #define HSTART_REG 0x1c | |
358 | #define VSTART_REG 0x1d | |
359 | #define CWIDTH_REG 0x1e | |
360 | #define CHEIGHT_REG 0x1f | |
361 | ||
362 | #define YGAIN_REG 0x20 | |
363 | #define YOFFSET_REG 0x21 | |
364 | #define UVGAIN_REG 0x22 | |
365 | #define UOFFSET_REG 0x23 | |
366 | #define VOFFSET_REG 0x24 | |
367 | #define SHARPNESS_REG 0x25 | |
368 | ||
369 | #define COMPR_REG 0x26 | |
370 | #define OUTFMT_REG 0x27 | |
371 | ||
372 | #define XMIN_REG 0x28 | |
373 | #define XMAX_REG 0x29 | |
374 | #define YMIN_REG 0x2a | |
375 | #define YMAX_REG 0x2b | |
376 | ||
377 | #define HSCALELOW_REG 0x30 | |
378 | #define HSCALEHIGH_REG 0x31 | |
379 | #define VSCALELOW_REG 0x32 | |
380 | #define VSCALEHIGH_REG 0x33 | |
381 | ||
382 | #define AC97LSB_REG 0x40 | |
383 | #define AC97MSB_REG 0x41 | |
384 | #define AC97ADDR_REG 0x42 | |
385 | #define AC97BUSY_REG 0x43 | |
386 | ||
387 | /* em202 registers */ | |
388 | #define MASTER_AC97 0x02 | |
389 | #define VIDEO_AC97 0x14 | |
390 | ||
391 | /* register settings */ | |
3acf2809 MCC |
392 | #define EM28XX_AUDIO_SRC_TUNER 0xc0 |
393 | #define EM28XX_AUDIO_SRC_LINE 0x80 | |
a6c2ba28 | 394 | |
395 | /* printk macros */ | |
396 | ||
3acf2809 | 397 | #define em28xx_err(fmt, arg...) do {\ |
f85c657f | 398 | printk(KERN_ERR fmt , ##arg); } while (0) |
a6c2ba28 | 399 | |
3acf2809 | 400 | #define em28xx_errdev(fmt, arg...) do {\ |
4ac97914 | 401 | printk(KERN_ERR "%s: "fmt,\ |
f85c657f | 402 | dev->name , ##arg); } while (0) |
a6c2ba28 | 403 | |
3acf2809 | 404 | #define em28xx_info(fmt, arg...) do {\ |
4ac97914 | 405 | printk(KERN_INFO "%s: "fmt,\ |
f85c657f | 406 | dev->name , ##arg); } while (0) |
3acf2809 | 407 | #define em28xx_warn(fmt, arg...) do {\ |
4ac97914 | 408 | printk(KERN_WARNING "%s: "fmt,\ |
f85c657f | 409 | dev->name , ##arg); } while (0) |
a6c2ba28 | 410 | |
3acf2809 | 411 | inline static int em28xx_audio_source(struct em28xx *dev, int input) |
a6c2ba28 | 412 | { |
3acf2809 | 413 | return em28xx_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0); |
a6c2ba28 | 414 | } |
415 | ||
3acf2809 | 416 | inline static int em28xx_audio_usb_mute(struct em28xx *dev, int mute) |
a6c2ba28 | 417 | { |
3acf2809 | 418 | return em28xx_write_reg_bits(dev, XCLK_REG, mute ? 0x00 : 0x80, 0x80); |
a6c2ba28 | 419 | } |
420 | ||
3acf2809 | 421 | inline static int em28xx_audio_analog_setup(struct em28xx *dev) |
a6c2ba28 | 422 | { |
423 | /* unmute video mixer with default volume level */ | |
3acf2809 | 424 | return em28xx_write_ac97(dev, VIDEO_AC97, "\x08\x08"); |
a6c2ba28 | 425 | } |
426 | ||
3acf2809 | 427 | inline static int em28xx_compression_disable(struct em28xx *dev) |
a6c2ba28 | 428 | { |
429 | /* side effect of disabling scaler and mixer */ | |
3acf2809 | 430 | return em28xx_write_regs(dev, COMPR_REG, "\x00", 1); |
a6c2ba28 | 431 | } |
432 | ||
3acf2809 | 433 | inline static int em28xx_contrast_get(struct em28xx *dev) |
a6c2ba28 | 434 | { |
3acf2809 | 435 | return em28xx_read_reg(dev, YGAIN_REG) & 0x1f; |
a6c2ba28 | 436 | } |
437 | ||
3acf2809 | 438 | inline static int em28xx_brightness_get(struct em28xx *dev) |
a6c2ba28 | 439 | { |
3acf2809 | 440 | return em28xx_read_reg(dev, YOFFSET_REG); |
a6c2ba28 | 441 | } |
442 | ||
3acf2809 | 443 | inline static int em28xx_saturation_get(struct em28xx *dev) |
a6c2ba28 | 444 | { |
3acf2809 | 445 | return em28xx_read_reg(dev, UVGAIN_REG) & 0x1f; |
a6c2ba28 | 446 | } |
447 | ||
3acf2809 | 448 | inline static int em28xx_u_balance_get(struct em28xx *dev) |
a6c2ba28 | 449 | { |
3acf2809 | 450 | return em28xx_read_reg(dev, UOFFSET_REG); |
a6c2ba28 | 451 | } |
452 | ||
3acf2809 | 453 | inline static int em28xx_v_balance_get(struct em28xx *dev) |
a6c2ba28 | 454 | { |
3acf2809 | 455 | return em28xx_read_reg(dev, VOFFSET_REG); |
a6c2ba28 | 456 | } |
457 | ||
3acf2809 | 458 | inline static int em28xx_gamma_get(struct em28xx *dev) |
a6c2ba28 | 459 | { |
3acf2809 | 460 | return em28xx_read_reg(dev, GAMMA_REG) & 0x3f; |
a6c2ba28 | 461 | } |
462 | ||
3acf2809 | 463 | inline static int em28xx_contrast_set(struct em28xx *dev, s32 val) |
a6c2ba28 | 464 | { |
465 | u8 tmp = (u8) val; | |
3acf2809 | 466 | return em28xx_write_regs(dev, YGAIN_REG, &tmp, 1); |
a6c2ba28 | 467 | } |
468 | ||
3acf2809 | 469 | inline static int em28xx_brightness_set(struct em28xx *dev, s32 val) |
a6c2ba28 | 470 | { |
471 | u8 tmp = (u8) val; | |
3acf2809 | 472 | return em28xx_write_regs(dev, YOFFSET_REG, &tmp, 1); |
a6c2ba28 | 473 | } |
474 | ||
3acf2809 | 475 | inline static int em28xx_saturation_set(struct em28xx *dev, s32 val) |
a6c2ba28 | 476 | { |
477 | u8 tmp = (u8) val; | |
3acf2809 | 478 | return em28xx_write_regs(dev, UVGAIN_REG, &tmp, 1); |
a6c2ba28 | 479 | } |
480 | ||
3acf2809 | 481 | inline static int em28xx_u_balance_set(struct em28xx *dev, s32 val) |
a6c2ba28 | 482 | { |
483 | u8 tmp = (u8) val; | |
3acf2809 | 484 | return em28xx_write_regs(dev, UOFFSET_REG, &tmp, 1); |
a6c2ba28 | 485 | } |
486 | ||
3acf2809 | 487 | inline static int em28xx_v_balance_set(struct em28xx *dev, s32 val) |
a6c2ba28 | 488 | { |
489 | u8 tmp = (u8) val; | |
3acf2809 | 490 | return em28xx_write_regs(dev, VOFFSET_REG, &tmp, 1); |
a6c2ba28 | 491 | } |
492 | ||
3acf2809 | 493 | inline static int em28xx_gamma_set(struct em28xx *dev, s32 val) |
a6c2ba28 | 494 | { |
495 | u8 tmp = (u8) val; | |
3acf2809 | 496 | return em28xx_write_regs(dev, GAMMA_REG, &tmp, 1); |
a6c2ba28 | 497 | } |
498 | ||
499 | /*FIXME: maxw should be dependent of alt mode */ | |
3acf2809 | 500 | inline static unsigned int norm_maxw(struct em28xx *dev) |
30556b23 MR |
501 | { |
502 | switch(dev->model){ | |
503 | case (EM2820_BOARD_MSI_VOX_USB_2): return(640); | |
504 | default: return(720); | |
505 | } | |
506 | } | |
507 | ||
3acf2809 | 508 | inline static unsigned int norm_maxh(struct em28xx *dev) |
a6c2ba28 | 509 | { |
30556b23 MR |
510 | switch(dev->model){ |
511 | case (EM2820_BOARD_MSI_VOX_USB_2): return(480); | |
512 | default: return (dev->tvnorm->id & V4L2_STD_625_50) ? 576 : 480; | |
513 | } | |
a6c2ba28 | 514 | } |
515 | ||
516 | #endif |