1 /* 2 * SPDX-License-Identifier: GPL-2.0 3 * tm6000.h - driver for TM5600/TM6000/TM6010 USB video capture devices 4 * 5 * Copyright (c) 2006-2007 Mauro Carvalho Chehab <mchehab@kernel.org> 6 * 7 * Copyright (c) 2007 Michel Ludwig <michel.ludwig@gmail.com> 8 * - DVB-T support 9 */ 10 11 #include <linux/videodev2.h> 12 #include <media/v4l2-common.h> 13 #include <media/videobuf-vmalloc.h> 14 #include "tm6000-usb-isoc.h" 15 #include <linux/i2c.h> 16 #include <linux/mutex.h> 17 #include <media/v4l2-device.h> 18 #include <media/v4l2-ctrls.h> 19 #include <media/v4l2-fh.h> 20 21 #include <linux/dvb/frontend.h> 22 #include <media/dvb_demux.h> 23 #include <media/dvb_frontend.h> 24 #include <media/dmxdev.h> 25 26 /* Inputs */ 27 enum tm6000_itype { 28 TM6000_INPUT_TV = 1, 29 TM6000_INPUT_COMPOSITE1, 30 TM6000_INPUT_COMPOSITE2, 31 TM6000_INPUT_SVIDEO, 32 TM6000_INPUT_DVB, 33 TM6000_INPUT_RADIO, 34 }; 35 36 enum tm6000_mux { 37 TM6000_VMUX_VIDEO_A = 1, 38 TM6000_VMUX_VIDEO_B, 39 TM6000_VMUX_VIDEO_AB, 40 TM6000_AMUX_ADC1, 41 TM6000_AMUX_ADC2, 42 TM6000_AMUX_SIF1, 43 TM6000_AMUX_SIF2, 44 TM6000_AMUX_I2S, 45 }; 46 47 enum tm6000_devtype { 48 TM6000 = 0, 49 TM5600, 50 TM6010, 51 }; 52 53 struct tm6000_input { 54 enum tm6000_itype type; 55 enum tm6000_mux vmux; 56 enum tm6000_mux amux; 57 unsigned int v_gpio; 58 unsigned int a_gpio; 59 }; 60 61 /* ------------------------------------------------------------------ 62 * Basic structures 63 * ------------------------------------------------------------------ 64 */ 65 66 struct tm6000_fmt { 67 char *name; 68 u32 fourcc; /* v4l2 format id */ 69 int depth; 70 }; 71 72 /* buffer for one video frame */ 73 struct tm6000_buffer { 74 /* common v4l buffer stuff -- must be first */ 75 struct videobuf_buffer vb; 76 77 struct tm6000_fmt *fmt; 78 }; 79 80 struct tm6000_dmaqueue { 81 struct list_head active; 82 struct list_head queued; 83 84 /* thread for generating video stream*/ 85 struct task_struct *kthread; 86 wait_queue_head_t wq; 87 /* Counters to control fps rate */ 88 int frame; 89 int ini_jiffies; 90 }; 91 92 /* device states */ 93 enum tm6000_core_state { 94 DEV_INITIALIZED = 0x01, 95 DEV_DISCONNECTED = 0x02, 96 DEV_MISCONFIGURED = 0x04, 97 }; 98 99 /* io methods */ 100 enum tm6000_io_method { 101 IO_NONE, 102 IO_READ, 103 IO_MMAP, 104 }; 105 106 enum tm6000_mode { 107 TM6000_MODE_UNKNOWN = 0, 108 TM6000_MODE_ANALOG, 109 TM6000_MODE_DIGITAL, 110 }; 111 112 struct tm6000_gpio { 113 int tuner_reset; 114 int tuner_on; 115 int demod_reset; 116 int demod_on; 117 int power_led; 118 int dvb_led; 119 int ir; 120 }; 121 122 struct tm6000_capabilities { 123 unsigned int has_tuner:1; 124 unsigned int has_tda9874:1; 125 unsigned int has_dvb:1; 126 unsigned int has_zl10353:1; 127 unsigned int has_eeprom:1; 128 unsigned int has_remote:1; 129 unsigned int has_radio:1; 130 }; 131 132 struct tm6000_dvb { 133 struct dvb_adapter adapter; 134 struct dvb_demux demux; 135 struct dvb_frontend *frontend; 136 struct dmxdev dmxdev; 137 unsigned int streams; 138 struct urb *bulk_urb; 139 struct mutex mutex; 140 }; 141 142 struct snd_tm6000_card { 143 struct snd_card *card; 144 spinlock_t reg_lock; 145 struct tm6000_core *core; 146 struct snd_pcm_substream *substream; 147 148 /* temporary data for buffer fill processing */ 149 unsigned buf_pos; 150 unsigned period_pos; 151 }; 152 153 struct tm6000_endpoint { 154 struct usb_host_endpoint *endp; 155 __u8 bInterfaceNumber; 156 __u8 bAlternateSetting; 157 unsigned maxsize; 158 }; 159 160 #define TM6000_QUIRK_NO_USB_DELAY (1 << 0) 161 162 struct tm6000_core { 163 /* generic device properties */ 164 char name[30]; /* name (including minor) of the device */ 165 int model; /* index in the device_data struct */ 166 int devno; /* marks the number of this device */ 167 enum tm6000_devtype dev_type; /* type of device */ 168 unsigned char eedata[256]; /* Eeprom data */ 169 unsigned eedata_size; /* Size of the eeprom info */ 170 171 v4l2_std_id norm; /* Current norm */ 172 int width, height; /* Selected resolution */ 173 174 enum tm6000_core_state state; 175 176 /* Device Capabilities*/ 177 struct tm6000_capabilities caps; 178 179 /* Used to load alsa/dvb */ 180 struct work_struct request_module_wk; 181 182 /* Tuner configuration */ 183 int tuner_type; /* type of the tuner */ 184 int tuner_addr; /* tuner address */ 185 186 struct tm6000_gpio gpio; 187 188 char *ir_codes; 189 190 __u8 radio; 191 192 /* Demodulator configuration */ 193 int demod_addr; /* demodulator address */ 194 195 int audio_bitrate; 196 /* i2c i/o */ 197 struct i2c_adapter i2c_adap; 198 struct i2c_client i2c_client; 199 200 201 /* extension */ 202 struct list_head devlist; 203 204 /* video for linux */ 205 int users; 206 207 /* various device info */ 208 struct tm6000_fh *resources; /* Points to fh that is streaming */ 209 bool is_res_read; 210 211 struct video_device vfd; 212 struct video_device radio_dev; 213 struct tm6000_dmaqueue vidq; 214 struct v4l2_device v4l2_dev; 215 struct v4l2_ctrl_handler ctrl_handler; 216 struct v4l2_ctrl_handler radio_ctrl_handler; 217 218 int input; 219 struct tm6000_input vinput[3]; /* video input */ 220 struct tm6000_input rinput; /* radio input */ 221 222 int freq; 223 unsigned int fourcc; 224 225 enum tm6000_mode mode; 226 227 int ctl_mute; /* audio */ 228 int ctl_volume; 229 int amode; 230 231 /* DVB-T support */ 232 struct tm6000_dvb *dvb; 233 234 /* audio support */ 235 struct snd_tm6000_card *adev; 236 struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */ 237 atomic_t stream_started; /* stream should be running if true */ 238 239 struct tm6000_IR *ir; 240 241 /* locks */ 242 struct mutex lock; 243 struct mutex usb_lock; 244 245 /* usb transfer */ 246 struct usb_device *udev; /* the usb device */ 247 248 struct tm6000_endpoint bulk_in, bulk_out, isoc_in, isoc_out; 249 struct tm6000_endpoint int_in, int_out; 250 251 /* scaler!=0 if scaler is active*/ 252 int scaler; 253 254 /* Isoc control struct */ 255 struct usb_isoc_ctl isoc_ctl; 256 257 spinlock_t slock; 258 259 /* urb dma buffers */ 260 char **urb_buffer; 261 dma_addr_t *urb_dma; 262 unsigned int urb_size; 263 264 unsigned long quirks; 265 }; 266 267 enum tm6000_ops_type { 268 TM6000_AUDIO = 0x10, 269 TM6000_DVB = 0x20, 270 }; 271 272 struct tm6000_ops { 273 struct list_head next; 274 char *name; 275 enum tm6000_ops_type type; 276 int (*init)(struct tm6000_core *); 277 int (*fini)(struct tm6000_core *); 278 int (*fillbuf)(struct tm6000_core *, char *buf, int size); 279 }; 280 281 struct tm6000_fh { 282 struct v4l2_fh fh; 283 struct tm6000_core *dev; 284 unsigned int radio; 285 286 /* video capture */ 287 struct tm6000_fmt *fmt; 288 unsigned int width, height; 289 struct videobuf_queue vb_vidq; 290 291 enum v4l2_buf_type type; 292 }; 293 294 #define TM6000_STD (V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc| \ 295 V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \ 296 V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM) 297 298 /* In tm6000-cards.c */ 299 300 int tm6000_tuner_callback(void *ptr, int component, int command, int arg); 301 int tm6000_xc5000_callback(void *ptr, int component, int command, int arg); 302 int tm6000_cards_setup(struct tm6000_core *dev); 303 void tm6000_flash_led(struct tm6000_core *dev, u8 state); 304 305 /* In tm6000-core.c */ 306 307 int tm6000_read_write_usb(struct tm6000_core *dev, u8 reqtype, u8 req, 308 u16 value, u16 index, u8 *buf, u16 len); 309 int tm6000_get_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index); 310 int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index); 311 int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index); 312 int tm6000_set_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index); 313 int tm6000_set_reg_mask(struct tm6000_core *dev, u8 req, u16 value, 314 u16 index, u16 mask); 315 int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep); 316 int tm6000_init(struct tm6000_core *dev); 317 int tm6000_reset(struct tm6000_core *dev); 318 319 int tm6000_init_analog_mode(struct tm6000_core *dev); 320 int tm6000_init_digital_mode(struct tm6000_core *dev); 321 int tm6000_set_audio_bitrate(struct tm6000_core *dev, int bitrate); 322 int tm6000_set_audio_rinput(struct tm6000_core *dev); 323 int tm6000_tvaudio_set_mute(struct tm6000_core *dev, u8 mute); 324 void tm6000_set_volume(struct tm6000_core *dev, int vol); 325 326 int tm6000_v4l2_register(struct tm6000_core *dev); 327 int tm6000_v4l2_unregister(struct tm6000_core *dev); 328 int tm6000_v4l2_exit(void); 329 void tm6000_set_fourcc_format(struct tm6000_core *dev); 330 331 void tm6000_remove_from_devlist(struct tm6000_core *dev); 332 void tm6000_add_into_devlist(struct tm6000_core *dev); 333 int tm6000_register_extension(struct tm6000_ops *ops); 334 void tm6000_unregister_extension(struct tm6000_ops *ops); 335 void tm6000_init_extension(struct tm6000_core *dev); 336 void tm6000_close_extension(struct tm6000_core *dev); 337 int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type, 338 char *buf, int size); 339 340 341 /* In tm6000-stds.c */ 342 void tm6000_get_std_res(struct tm6000_core *dev); 343 int tm6000_set_standard(struct tm6000_core *dev); 344 345 /* In tm6000-i2c.c */ 346 int tm6000_i2c_register(struct tm6000_core *dev); 347 int tm6000_i2c_unregister(struct tm6000_core *dev); 348 349 /* In tm6000-queue.c */ 350 351 int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma); 352 353 int tm6000_vidioc_streamon(struct file *file, void *priv, 354 enum v4l2_buf_type i); 355 int tm6000_vidioc_streamoff(struct file *file, void *priv, 356 enum v4l2_buf_type i); 357 int tm6000_vidioc_reqbufs(struct file *file, void *priv, 358 struct v4l2_requestbuffers *rb); 359 int tm6000_vidioc_querybuf(struct file *file, void *priv, 360 struct v4l2_buffer *b); 361 int tm6000_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b); 362 int tm6000_vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b); 363 ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count, 364 loff_t *f_pos); 365 unsigned int tm6000_v4l2_poll(struct file *file, 366 struct poll_table_struct *wait); 367 int tm6000_queue_init(struct tm6000_core *dev); 368 369 /* In tm6000-alsa.c */ 370 /*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/ 371 372 /* In tm6000-input.c */ 373 int tm6000_ir_init(struct tm6000_core *dev); 374 int tm6000_ir_fini(struct tm6000_core *dev); 375 void tm6000_ir_wait(struct tm6000_core *dev, u8 state); 376 int tm6000_ir_int_start(struct tm6000_core *dev); 377 void tm6000_ir_int_stop(struct tm6000_core *dev); 378 379 /* Debug stuff */ 380 381 extern int tm6000_debug; 382 383 #define dprintk(dev, level, fmt, arg...) do {\ 384 if (tm6000_debug & level) \ 385 printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \ 386 dev->name, __func__ , ##arg); } while (0) 387 388 #define V4L2_DEBUG_REG 0x0004 389 #define V4L2_DEBUG_I2C 0x0008 390 #define V4L2_DEBUG_QUEUE 0x0010 391 #define V4L2_DEBUG_ISOC 0x0020 392 #define V4L2_DEBUG_RES_LOCK 0x0040 /* Resource locking */ 393 #define V4L2_DEBUG_OPEN 0x0080 /* video open/close debug */ 394 395 #define tm6000_err(fmt, arg...) do {\ 396 printk(KERN_ERR "tm6000 %s :"fmt, \ 397 __func__ , ##arg); } while (0) 398