drivers/staging/tm6000/tm6000.h

   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 // Use the tm6000-hack, instead of the proper initialization code
  24 //#define HACK 1
  25
  26 #include <linux/videodev2.h>
  27 #include <media/v4l2-common.h>
  28 #include <media/videobuf-vmalloc.h>
  29 #include "tm6000-usb-isoc.h"
  30 #include <linux/i2c.h>
  31 #include <linux/mutex.h>
  32 #include <media/v4l2-device.h>
  33
  34
  35 #include <linux/dvb/frontend.h>
  36 #include "dvb_demux.h"
  37 #include "dvb_frontend.h"
  38 #include "dmxdev.h"
  39
  40 #define TM6000_VERSION KERNEL_VERSION(0, 0, 2)
  41
  42 /* Inputs */
  43
  44 enum tm6000_itype {
  45         TM6000_INPUT_TV = 0,
  46         TM6000_INPUT_COMPOSITE,
  47         TM6000_INPUT_SVIDEO,
  48 };
  49
  50 enum tm6000_devtype {
  51         TM6000 = 0,
  52         TM5600,
  53         TM6010,
  54 };
  55
  56 /* ------------------------------------------------------------------
  57         Basic structures
  58    ------------------------------------------------------------------*/
  59
  60 struct tm6000_fmt {
  61         char  *name;
  62         u32   fourcc;          /* v4l2 format id */
  63         int   depth;
  64 };
  65
  66 /* buffer for one video frame */
  67 struct tm6000_buffer {
  68         /* common v4l buffer stuff -- must be first */
  69         struct videobuf_buffer vb;
  70
  71         struct tm6000_fmt      *fmt;
  72 };
  73
  74 struct tm6000_dmaqueue {
  75         struct list_head       active;
  76         struct list_head       queued;
  77
  78         /* thread for generating video stream*/
  79         struct task_struct         *kthread;
  80         wait_queue_head_t          wq;
  81         /* Counters to control fps rate */
  82         int                        frame;
  83         int                        ini_jiffies;
  84 };
  85
  86 /* device states */
  87 enum tm6000_core_state {
  88         DEV_INITIALIZED   = 0x01,
  89         DEV_DISCONNECTED  = 0x02,
  90         DEV_MISCONFIGURED = 0x04,
  91 };
  92
  93 /* io methods */
  94 enum tm6000_io_method {
  95         IO_NONE,
  96         IO_READ,
  97         IO_MMAP,
  98 };
  99
 100 enum tm6000_mode {
 101         TM6000_MODE_UNKNOWN=0,
 102         TM6000_MODE_ANALOG,
 103         TM6000_MODE_DIGITAL,
 104 };
 105
 106 struct tm6000_capabilities {
 107         unsigned int    has_tuner:1;
 108         unsigned int    has_tda9874:1;
 109         unsigned int    has_dvb:1;
 110         unsigned int    has_zl10353:1;
 111         unsigned int    has_eeprom:1;
 112         unsigned int    has_remote:1;
 113 };
 114
 115 struct tm6000_dvb {
 116         struct dvb_adapter      adapter;
 117         struct dvb_demux        demux;
 118         struct dvb_frontend     *frontend;
 119         struct dmxdev           dmxdev;
 120         unsigned int            streams;
 121         struct urb              *bulk_urb;
 122         struct mutex            mutex;
 123 };
 124
 125 struct tm6000_core {
 126         /* generic device properties */
 127         char                            name[30];       /* name (including minor) of the device */
 128         int                             model;          /* index in the device_data struct */
 129         int                             devno;          /* marks the number of this device */
 130         enum tm6000_devtype             dev_type;       /* type of device */
 131
 132         v4l2_std_id                     norm;           /* Current norm */
 133         int                             width,height;   /* Selected resolution */
 134
 135         enum tm6000_core_state          state;
 136
 137         /* Device Capabilities*/
 138         struct tm6000_capabilities      caps;
 139
 140         /* Tuner configuration */
 141         int                             tuner_type;             /* type of the tuner */
 142         int                             tuner_addr;             /* tuner address */
 143         int                             tuner_reset_gpio;       /* GPIO used for tuner reset */
 144
 145         /* Demodulator configuration */
 146         int                             demod_addr;     /* demodulator address */
 147
 148         int                             audio_bitrate;
 149         /* i2c i/o */
 150         struct i2c_adapter              i2c_adap;
 151         struct i2c_client               i2c_client;
 152
 153         /* video for linux */
 154         struct list_head                tm6000_corelist;
 155         int                             users;
 156
 157         /* various device info */
 158         unsigned int                    resources;
 159         struct video_device             *vfd;
 160         struct tm6000_dmaqueue          vidq;
 161         struct v4l2_device              v4l2_dev;
 162
 163         int                             input;
 164         int                             freq;
 165         unsigned int                    fourcc;
 166
 167         enum tm6000_mode                mode;
 168
 169         /* DVB-T support */
 170         struct tm6000_dvb               *dvb;
 171
 172         /* locks */
 173         struct mutex                    lock;
 174
 175         /* usb transfer */
 176         struct usb_device               *udev;          /* the usb device */
 177
 178         struct usb_host_endpoint        *bulk_in, *bulk_out, *isoc_in, *isoc_out;
 179         unsigned int                    max_bulk_in, max_bulk_out;
 180         unsigned int                    max_isoc_in, max_isoc_out;
 181
 182         /* scaler!=0 if scaler is active*/
 183         int                             scaler;
 184
 185                 /* Isoc control struct */
 186         struct usb_isoc_ctl          isoc_ctl;
 187
 188         spinlock_t                   slock;
 189 };
 190
 191 struct tm6000_fh {
 192         struct tm6000_core           *dev;
 193
 194         /* video capture */
 195         struct tm6000_fmt            *fmt;
 196         unsigned int                 width,height;
 197         struct videobuf_queue        vb_vidq;
 198
 199         enum v4l2_buf_type           type;
 200 };
 201
 202 #define TM6000_STD      V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|    \
 203                         V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \
 204                         V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM
 205
 206 /* In tm6000-cards.c */
 207
 208 int tm6000_tuner_callback (void *ptr, int component, int command, int arg);
 209 int tm6000_cards_setup(struct tm6000_core *dev);
 210
 211 /* In tm6000-core.c */
 212
 213 int tm6000_read_write_usb (struct tm6000_core *dev, u8 reqtype, u8 req,
 214                            u16 value, u16 index, u8 *buf, u16 len);
 215 int tm6000_get_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
 216 int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 217 int tm6000_set_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
 218 int tm6000_init (struct tm6000_core *dev);
 219
 220 int tm6000_init_analog_mode (struct tm6000_core *dev);
 221 int tm6000_init_digital_mode (struct tm6000_core *dev);
 222 int tm6000_set_audio_bitrate (struct tm6000_core *dev, int bitrate);
 223
 224 int tm6000_dvb_register(struct tm6000_core *dev);
 225 void tm6000_dvb_unregister(struct tm6000_core *dev);
 226
 227 int tm6000_v4l2_register(struct tm6000_core *dev);
 228 int tm6000_v4l2_unregister(struct tm6000_core *dev);
 229 int tm6000_v4l2_exit(void);
 230 void tm6000_set_fourcc_format(struct tm6000_core *dev);
 231
 232 /* In tm6000-stds.c */
 233 void tm6000_get_std_res(struct tm6000_core *dev);
 234 int tm6000_set_standard (struct tm6000_core *dev, v4l2_std_id *norm);
 235
 236 /* In tm6000-i2c.c */
 237 int tm6000_i2c_register(struct tm6000_core *dev);
 238 int tm6000_i2c_unregister(struct tm6000_core *dev);
 239
 240 /* In tm6000-queue.c */
 241
 242 int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma);
 243
 244 int tm6000_vidioc_streamon(struct file *file, void *priv,
 245                            enum v4l2_buf_type i);
 246 int tm6000_vidioc_streamoff(struct file *file, void *priv,
 247                             enum v4l2_buf_type i);
 248 int tm6000_vidioc_reqbufs (struct file *file, void *priv,
 249                            struct v4l2_requestbuffers *rb);
 250 int tm6000_vidioc_querybuf (struct file *file, void *priv,
 251                             struct v4l2_buffer *b);
 252 int tm6000_vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *b);
 253 int tm6000_vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *b);
 254 ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count,
 255                          loff_t * f_pos);
 256 unsigned int tm6000_v4l2_poll(struct file *file,
 257                               struct poll_table_struct *wait);
 258 int tm6000_queue_init(struct tm6000_core *dev);
 259
 260 /* In tm6000-alsa.c */
 261 int tm6000_audio_init(struct tm6000_core *dev, int idx);
 262
 263
 264 /* Debug stuff */
 265
 266 extern int tm6000_debug;
 267
 268 #define dprintk(dev, level, fmt, arg...) do {\
 269         if (tm6000_debug & level) \
 270                 printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies,           \
 271                          dev->name, __FUNCTION__ , ##arg); } while (0)
 272
 273 #define V4L2_DEBUG_REG          0x0004
 274 #define V4L2_DEBUG_I2C          0x0008
 275 #define V4L2_DEBUG_QUEUE        0x0010
 276 #define V4L2_DEBUG_ISOC         0x0020
 277 #define V4L2_DEBUG_RES_LOCK     0x0040  /* Resource locking */
 278 #define V4L2_DEBUG_OPEN         0x0080  /* video open/close debug */
 279
 280 #define tm6000_err(fmt, arg...) do {\
 281         printk(KERN_ERR "tm6000 %s :"fmt, \
 282                 __FUNCTION__ , ##arg); } while (0)
 283
 284