1 /* 2 * tm6000.h - driver for TM5600/TM6000/TM6010 USB video capture devices 3 * 4 * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> 5 * 6 * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> 7 * - DVB-T support 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation version 2 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 #include <linux/videodev2.h> 24 #include <media/v4l2-common.h> 25 #include <media/videobuf-vmalloc.h> 26 #include "tm6000-usb-isoc.h" 27 #include <linux/i2c.h> 28 #include <linux/mutex.h> 29 #include <media/v4l2-device.h> 30 #include <media/v4l2-ctrls.h> 31 #include <media/v4l2-fh.h> 32 33 #include <linux/dvb/frontend.h> 34 #include "dvb_demux.h" 35 #include "dvb_frontend.h" 36 #include "dmxdev.h" 37 38 /* Inputs */ 39 enum tm6000_itype { 40 TM6000_INPUT_TV = 1, 41 TM6000_INPUT_COMPOSITE1, 42 TM6000_INPUT_COMPOSITE2, 43 TM6000_INPUT_SVIDEO, 44 TM6000_INPUT_DVB, 45 TM6000_INPUT_RADIO, 46 }; 47 48 enum tm6000_mux { 49 TM6000_VMUX_VIDEO_A = 1, 50 TM6000_VMUX_VIDEO_B, 51 TM6000_VMUX_VIDEO_AB, 52 TM6000_AMUX_ADC1, 53 TM6000_AMUX_ADC2, 54 TM6000_AMUX_SIF1, 55 TM6000_AMUX_SIF2, 56 TM6000_AMUX_I2S, 57 }; 58 59 enum tm6000_devtype { 60 TM6000 = 0, 61 TM5600, 62 TM6010, 63 }; 64 65 struct tm6000_input { 66 enum tm6000_itype type; 67 enum tm6000_mux vmux; 68 enum tm6000_mux amux; 69 unsigned int v_gpio; 70 unsigned int a_gpio; 71 }; 72 73 /* ------------------------------------------------------------------ 74 * Basic structures 75 * ------------------------------------------------------------------ 76 */ 77 78 struct tm6000_fmt { 79 char *name; 80 u32 fourcc; /* v4l2 format id */ 81 int depth; 82 }; 83 84 /* buffer for one video frame */ 85 struct tm6000_buffer { 86 /* common v4l buffer stuff -- must be first */ 87 struct videobuf_buffer vb; 88 89 struct tm6000_fmt *fmt; 90 }; 91 92 struct tm6000_dmaqueue { 93 struct list_head active; 94 struct list_head queued; 95 96 /* thread for generating video stream*/ 97 struct task_struct *kthread; 98 wait_queue_head_t wq; 99 /* Counters to control fps rate */ 100 int frame; 101 int ini_jiffies; 102 }; 103 104 /* device states */ 105 enum tm6000_core_state { 106 DEV_INITIALIZED = 0x01, 107 DEV_DISCONNECTED = 0x02, 108 DEV_MISCONFIGURED = 0x04, 109 }; 110 111 /* io methods */ 112 enum tm6000_io_method { 113 IO_NONE, 114 IO_READ, 115 IO_MMAP, 116 }; 117 118 enum tm6000_mode { 119 TM6000_MODE_UNKNOWN = 0, 120 TM6000_MODE_ANALOG, 121 TM6000_MODE_DIGITAL, 122 }; 123 124 struct tm6000_gpio { 125 int tuner_reset; 126 int tuner_on; 127 int demod_reset; 128 int demod_on; 129 int power_led; 130 int dvb_led; 131 int ir; 132 }; 133 134 struct tm6000_capabilities { 135 unsigned int has_tuner:1; 136 unsigned int has_tda9874:1; 137 unsigned int has_dvb:1; 138 unsigned int has_zl10353:1; 139 unsigned int has_eeprom:1; 140 unsigned int has_remote:1; 141 unsigned int has_radio:1; 142 }; 143 144 struct tm6000_dvb { 145 struct dvb_adapter adapter; 146 struct dvb_demux demux; 147 struct dvb_frontend *frontend; 148 struct dmxdev dmxdev; 149 unsigned int streams; 150 struct urb *bulk_urb; 151 struct mutex mutex; 152 }; 153 154 struct snd_tm6000_card { 155 struct snd_card *card; 156 spinlock_t reg_lock; 157 struct tm6000_core *core; 158 struct snd_pcm_substream *substream; 159 160 /* temporary data for buffer fill processing */ 161 unsigned buf_pos; 162 unsigned period_pos; 163 }; 164 165 struct tm6000_endpoint { 166 struct usb_host_endpoint *endp; 167 __u8 bInterfaceNumber; 168 __u8 bAlternateSetting; 169 unsigned maxsize; 170 }; 171 172 #define TM6000_QUIRK_NO_USB_DELAY (1 << 0) 173 174 struct tm6000_core { 175 /* generic device properties */ 176 char name[30]; /* name (including minor) of the device */ 177 int model; /* index in the device_data struct */ 178 int devno; /* marks the number of this device */ 179 enum tm6000_devtype dev_type; /* type of device */ 180 unsigned char eedata[256]; /* Eeprom data */ 181 unsigned eedata_size; /* Size of the eeprom info */ 182 183 v4l2_std_id norm; /* Current norm */ 184 int width, height; /* Selected resolution */ 185 186 enum tm6000_core_state state; 187 188 /* Device Capabilities*/ 189 struct tm6000_capabilities caps; 190 191 /* Used to load alsa/dvb */ 192 struct work_struct request_module_wk; 193 194 /* Tuner configuration */ 195 int tuner_type; /* type of the tuner */ 196 int tuner_addr; /* tuner address */ 197 198 struct tm6000_gpio gpio; 199 200 char *ir_codes; 201 202 __u8 radio; 203 204 /* Demodulator configuration */ 205 int demod_addr; /* demodulator address */ 206 207 int audio_bitrate; 208 /* i2c i/o */ 209 struct i2c_adapter i2c_adap; 210 struct i2c_client i2c_client; 211 212 213 /* extension */ 214 struct list_head devlist; 215 216 /* video for linux */ 217 int users; 218 219 /* various device info */ 220 struct tm6000_fh *resources; /* Points to fh that is streaming */ 221 bool is_res_read; 222 223 struct video_device vfd; 224 struct video_device radio_dev; 225 struct tm6000_dmaqueue vidq; 226 struct v4l2_device v4l2_dev; 227 struct v4l2_ctrl_handler ctrl_handler; 228 struct v4l2_ctrl_handler radio_ctrl_handler; 229 230 int input; 231 struct tm6000_input vinput[3]; /* video input */ 232 struct tm6000_input rinput; /* radio input */ 233 234 int freq; 235 unsigned int fourcc; 236 237 enum tm6000_mode mode; 238 239 int ctl_mute; /* audio */ 240 int ctl_volume; 241 int amode; 242 243 /* DVB-T support */ 244 struct tm6000_dvb *dvb; 245 246 /* audio support */ 247 struct snd_tm6000_card *adev; 248 struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */ 249 atomic_t stream_started; /* stream should be running if true */ 250 251 struct tm6000_IR *ir; 252 253 /* locks */ 254 struct mutex lock; 255 struct mutex usb_lock; 256 257 /* usb transfer */ 258 struct usb_device *udev; /* the usb device */ 259 260 struct tm6000_endpoint bulk_in, bulk_out, isoc_in, isoc_out; 261 struct tm6000_endpoint int_in, int_out; 262 263 /* scaler!=0 if scaler is active*/ 264 int scaler; 265 266 /* Isoc control struct */ 267 struct usb_isoc_ctl isoc_ctl; 268 269 spinlock_t slock; 270 271 /* urb dma buffers */ 272 char **urb_buffer; 273 dma_addr_t *urb_dma; 274 unsigned int urb_size; 275 276 unsigned long quirks; 277 }; 278 279 enum tm6000_ops_type { 280 TM6000_AUDIO = 0x10, 281 TM6000_DVB = 0x20, 282 }; 283 284 struct tm6000_ops { 285 struct list_head next; 286 char *name; 287 enum tm6000_ops_type type; 288 int (*init)(struct tm6000_core *); 289 int (*fini)(struct tm6000_core *); 290 int (*fillbuf)(struct tm6000_core *, char *buf, int size); 291 }; 292 293 struct tm6000_fh { 294 struct v4l2_fh fh; 295 struct tm6000_core *dev; 296 unsigned int radio; 297 298 /* video capture */ 299 struct tm6000_fmt *fmt; 300 unsigned int width, height; 301 struct videobuf_queue vb_vidq; 302 303 enum v4l2_buf_type type; 304 }; 305 306 #define TM6000_STD (V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc| \ 307 V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \ 308 V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM) 309 310 /* In tm6000-cards.c */ 311 312 int tm6000_tuner_callback(void *ptr, int component, int command, int arg); 313 int tm6000_xc5000_callback(void *ptr, int component, int command, int arg); 314 int tm6000_cards_setup(struct tm6000_core *dev); 315 void tm6000_flash_led(struct tm6000_core *dev, u8 state); 316 317 /* In tm6000-core.c */ 318 319 int tm6000_read_write_usb(struct tm6000_core *dev, u8 reqtype, u8 req, 320 u16 value, u16 index, u8 *buf, u16 len); 321 int tm6000_get_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index); 322 int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index); 323 int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index); 324 int tm6000_set_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index); 325 int tm6000_set_reg_mask(struct tm6000_core *dev, u8 req, u16 value, 326 u16 index, u16 mask); 327 int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep); 328 int tm6000_init(struct tm6000_core *dev); 329 int tm6000_reset(struct tm6000_core *dev); 330 331 int tm6000_init_analog_mode(struct tm6000_core *dev); 332 int tm6000_init_digital_mode(struct tm6000_core *dev); 333 int tm6000_set_audio_bitrate(struct tm6000_core *dev, int bitrate); 334 int tm6000_set_audio_rinput(struct tm6000_core *dev); 335 int tm6000_tvaudio_set_mute(struct tm6000_core *dev, u8 mute); 336 void tm6000_set_volume(struct tm6000_core *dev, int vol); 337 338 int tm6000_v4l2_register(struct tm6000_core *dev); 339 int tm6000_v4l2_unregister(struct tm6000_core *dev); 340 int tm6000_v4l2_exit(void); 341 void tm6000_set_fourcc_format(struct tm6000_core *dev); 342 343 void tm6000_remove_from_devlist(struct tm6000_core *dev); 344 void tm6000_add_into_devlist(struct tm6000_core *dev); 345 int tm6000_register_extension(struct tm6000_ops *ops); 346 void tm6000_unregister_extension(struct tm6000_ops *ops); 347 void tm6000_init_extension(struct tm6000_core *dev); 348 void tm6000_close_extension(struct tm6000_core *dev); 349 int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type, 350 char *buf, int size); 351 352 353 /* In tm6000-stds.c */ 354 void tm6000_get_std_res(struct tm6000_core *dev); 355 int tm6000_set_standard(struct tm6000_core *dev); 356 357 /* In tm6000-i2c.c */ 358 int tm6000_i2c_register(struct tm6000_core *dev); 359 int tm6000_i2c_unregister(struct tm6000_core *dev); 360 361 /* In tm6000-queue.c */ 362 363 int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma); 364 365 int tm6000_vidioc_streamon(struct file *file, void *priv, 366 enum v4l2_buf_type i); 367 int tm6000_vidioc_streamoff(struct file *file, void *priv, 368 enum v4l2_buf_type i); 369 int tm6000_vidioc_reqbufs(struct file *file, void *priv, 370 struct v4l2_requestbuffers *rb); 371 int tm6000_vidioc_querybuf(struct file *file, void *priv, 372 struct v4l2_buffer *b); 373 int tm6000_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b); 374 int tm6000_vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b); 375 ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count, 376 loff_t *f_pos); 377 unsigned int tm6000_v4l2_poll(struct file *file, 378 struct poll_table_struct *wait); 379 int tm6000_queue_init(struct tm6000_core *dev); 380 381 /* In tm6000-alsa.c */ 382 /*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/ 383 384 /* In tm6000-input.c */ 385 int tm6000_ir_init(struct tm6000_core *dev); 386 int tm6000_ir_fini(struct tm6000_core *dev); 387 void tm6000_ir_wait(struct tm6000_core *dev, u8 state); 388 int tm6000_ir_int_start(struct tm6000_core *dev); 389 void tm6000_ir_int_stop(struct tm6000_core *dev); 390 391 /* Debug stuff */ 392 393 extern int tm6000_debug; 394 395 #define dprintk(dev, level, fmt, arg...) do {\ 396 if (tm6000_debug & level) \ 397 printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \ 398 dev->name, __func__ , ##arg); } while (0) 399 400 #define V4L2_DEBUG_REG 0x0004 401 #define V4L2_DEBUG_I2C 0x0008 402 #define V4L2_DEBUG_QUEUE 0x0010 403 #define V4L2_DEBUG_ISOC 0x0020 404 #define V4L2_DEBUG_RES_LOCK 0x0040 /* Resource locking */ 405 #define V4L2_DEBUG_OPEN 0x0080 /* video open/close debug */ 406 407 #define tm6000_err(fmt, arg...) do {\ 408 printk(KERN_ERR "tm6000 %s :"fmt, \ 409 __func__ , ##arg); } while (0) 410