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