linux/drivers/media/usb/tm6000/tm6000.h
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   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 */
  27enum 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
  36enum 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
  47enum tm6000_devtype {
  48        TM6000 = 0,
  49        TM5600,
  50        TM6010,
  51};
  52
  53struct 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
  66struct tm6000_fmt {
  67        u32   fourcc;          /* v4l2 format id */
  68        int   depth;
  69};
  70
  71/* buffer for one video frame */
  72struct tm6000_buffer {
  73        /* common v4l buffer stuff -- must be first */
  74        struct videobuf_buffer vb;
  75
  76        struct tm6000_fmt      *fmt;
  77};
  78
  79struct 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 */
  92enum tm6000_core_state {
  93        DEV_INITIALIZED   = 0x01,
  94        DEV_DISCONNECTED  = 0x02,
  95        DEV_MISCONFIGURED = 0x04,
  96};
  97
  98/* io methods */
  99enum tm6000_io_method {
 100        IO_NONE,
 101        IO_READ,
 102        IO_MMAP,
 103};
 104
 105enum tm6000_mode {
 106        TM6000_MODE_UNKNOWN = 0,
 107        TM6000_MODE_ANALOG,
 108        TM6000_MODE_DIGITAL,
 109};
 110
 111struct 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
 121struct 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
 131struct 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
 141struct 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
 152struct 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
 161struct 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
 266enum tm6000_ops_type {
 267        TM6000_AUDIO = 0x10,
 268        TM6000_DVB = 0x20,
 269};
 270
 271struct 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
 280struct 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
 299int tm6000_tuner_callback(void *ptr, int component, int command, int arg);
 300int tm6000_xc5000_callback(void *ptr, int component, int command, int arg);
 301int tm6000_cards_setup(struct tm6000_core *dev);
 302void tm6000_flash_led(struct tm6000_core *dev, u8 state);
 303
 304/* In tm6000-core.c */
 305
 306int tm6000_read_write_usb(struct tm6000_core *dev, u8 reqtype, u8 req,
 307                           u16 value, u16 index, u8 *buf, u16 len);
 308int tm6000_get_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 309int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 310int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 311int tm6000_set_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 312int tm6000_set_reg_mask(struct tm6000_core *dev, u8 req, u16 value,
 313                                                u16 index, u16 mask);
 314int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep);
 315int tm6000_init(struct tm6000_core *dev);
 316int tm6000_reset(struct tm6000_core *dev);
 317
 318int tm6000_init_analog_mode(struct tm6000_core *dev);
 319int tm6000_init_digital_mode(struct tm6000_core *dev);
 320int tm6000_set_audio_bitrate(struct tm6000_core *dev, int bitrate);
 321int tm6000_set_audio_rinput(struct tm6000_core *dev);
 322int tm6000_tvaudio_set_mute(struct tm6000_core *dev, u8 mute);
 323void tm6000_set_volume(struct tm6000_core *dev, int vol);
 324
 325int tm6000_v4l2_register(struct tm6000_core *dev);
 326int tm6000_v4l2_unregister(struct tm6000_core *dev);
 327int tm6000_v4l2_exit(void);
 328void tm6000_set_fourcc_format(struct tm6000_core *dev);
 329
 330void tm6000_remove_from_devlist(struct tm6000_core *dev);
 331void tm6000_add_into_devlist(struct tm6000_core *dev);
 332int tm6000_register_extension(struct tm6000_ops *ops);
 333void tm6000_unregister_extension(struct tm6000_ops *ops);
 334void tm6000_init_extension(struct tm6000_core *dev);
 335void tm6000_close_extension(struct tm6000_core *dev);
 336int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type,
 337                        char *buf, int size);
 338
 339
 340/* In tm6000-stds.c */
 341void tm6000_get_std_res(struct tm6000_core *dev);
 342int tm6000_set_standard(struct tm6000_core *dev);
 343
 344/* In tm6000-i2c.c */
 345int tm6000_i2c_register(struct tm6000_core *dev);
 346int tm6000_i2c_unregister(struct tm6000_core *dev);
 347
 348/* In tm6000-queue.c */
 349
 350int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma);
 351
 352int tm6000_vidioc_streamon(struct file *file, void *priv,
 353                           enum v4l2_buf_type i);
 354int tm6000_vidioc_streamoff(struct file *file, void *priv,
 355                            enum v4l2_buf_type i);
 356int tm6000_vidioc_reqbufs(struct file *file, void *priv,
 357                          struct v4l2_requestbuffers *rb);
 358int tm6000_vidioc_querybuf(struct file *file, void *priv,
 359                           struct v4l2_buffer *b);
 360int tm6000_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b);
 361int tm6000_vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b);
 362ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count,
 363                         loff_t *f_pos);
 364unsigned int tm6000_v4l2_poll(struct file *file,
 365                              struct poll_table_struct *wait);
 366int 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 */
 372int tm6000_ir_init(struct tm6000_core *dev);
 373int tm6000_ir_fini(struct tm6000_core *dev);
 374void tm6000_ir_wait(struct tm6000_core *dev, u8 state);
 375int tm6000_ir_int_start(struct tm6000_core *dev);
 376void tm6000_ir_int_stop(struct tm6000_core *dev);
 377
 378/* Debug stuff */
 379
 380extern 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
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