drivers/staging/media/go7007/go7007-priv.h

   1 /*
   2  * Copyright (C) 2005-2006 Micronas USA Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License (Version 2) as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software Foundation,
  15  * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  16  */
  17
  18 /*
  19  * This is the private include file for the go7007 driver.  It should not
  20  * be included by anybody but the driver itself, and especially not by
  21  * user-space applications.
  22  */
  23
  24 #include <media/v4l2-device.h>
  25
  26 struct go7007;
  27
  28 /* IDs to activate board-specific support code */
  29 #define GO7007_BOARDID_MATRIX_II        0
  30 #define GO7007_BOARDID_MATRIX_RELOAD    1
  31 #define GO7007_BOARDID_STAR_TREK        2
  32 #define GO7007_BOARDID_PCI_VOYAGER      3
  33 #define GO7007_BOARDID_XMEN             4
  34 #define GO7007_BOARDID_XMEN_II          5
  35 #define GO7007_BOARDID_XMEN_III         6
  36 #define GO7007_BOARDID_MATRIX_REV       7
  37 #define GO7007_BOARDID_PX_M402U         16
  38 #define GO7007_BOARDID_PX_TV402U_ANY    17 /* need to check tuner model */
  39 #define GO7007_BOARDID_PX_TV402U_NA     18 /* detected NTSC tuner */
  40 #define GO7007_BOARDID_PX_TV402U_EU     19 /* detected PAL tuner */
  41 #define GO7007_BOARDID_PX_TV402U_JP     20 /* detected NTSC-J tuner */
  42 #define GO7007_BOARDID_LIFEVIEW_LR192   21 /* TV Walker Ultra */
  43 #define GO7007_BOARDID_ENDURA           22
  44 #define GO7007_BOARDID_ADLINK_MPG24     23
  45 #define GO7007_BOARDID_SENSORAY_2250    24 /* Sensoray 2250/2251 */
  46
  47 /* Various characteristics of each board */
  48 #define GO7007_BOARD_HAS_AUDIO          (1<<0)
  49 #define GO7007_BOARD_USE_ONBOARD_I2C    (1<<1)
  50 #define GO7007_BOARD_HAS_TUNER          (1<<2)
  51
  52 /* Characteristics of sensor devices */
  53 #define GO7007_SENSOR_VALID_POLAR       (1<<0)
  54 #define GO7007_SENSOR_HREF_POLAR        (1<<1)
  55 #define GO7007_SENSOR_VREF_POLAR        (1<<2)
  56 #define GO7007_SENSOR_FIELD_ID_POLAR    (1<<3)
  57 #define GO7007_SENSOR_BIT_WIDTH         (1<<4)
  58 #define GO7007_SENSOR_VALID_ENABLE      (1<<5)
  59 #define GO7007_SENSOR_656               (1<<6)
  60 #define GO7007_SENSOR_CONFIG_MASK       0x7f
  61 #define GO7007_SENSOR_TV                (1<<7)
  62 #define GO7007_SENSOR_VBI               (1<<8)
  63 #define GO7007_SENSOR_SCALING           (1<<9)
  64
  65 /* Characteristics of audio sensor devices */
  66 #define GO7007_AUDIO_I2S_MODE_1         (1)
  67 #define GO7007_AUDIO_I2S_MODE_2         (2)
  68 #define GO7007_AUDIO_I2S_MODE_3         (3)
  69 #define GO7007_AUDIO_BCLK_POLAR         (1<<2)
  70 #define GO7007_AUDIO_WORD_14            (14<<4)
  71 #define GO7007_AUDIO_WORD_16            (16<<4)
  72 #define GO7007_AUDIO_ONE_CHANNEL        (1<<11)
  73 #define GO7007_AUDIO_I2S_MASTER         (1<<16)
  74 #define GO7007_AUDIO_OKI_MODE           (1<<17)
  75
  76 struct go7007_board_info {
  77         char *firmware;
  78         unsigned int flags;
  79         int hpi_buffer_cap;
  80         unsigned int sensor_flags;
  81         int sensor_width;
  82         int sensor_height;
  83         int sensor_framerate;
  84         int sensor_h_offset;
  85         int sensor_v_offset;
  86         unsigned int audio_flags;
  87         int audio_rate;
  88         int audio_bclk_div;
  89         int audio_main_div;
  90         int num_i2c_devs;
  91         struct {
  92                 const char *type;
  93                 int id;
  94                 int addr;
  95         } i2c_devs[4];
  96         int num_inputs;
  97         struct {
  98                 int video_input;
  99                 int audio_input;
 100                 char *name;
 101         } inputs[4];
 102 };
 103
 104 struct go7007_hpi_ops {
 105         int (*interface_reset)(struct go7007 *go);
 106         int (*write_interrupt)(struct go7007 *go, int addr, int data);
 107         int (*read_interrupt)(struct go7007 *go);
 108         int (*stream_start)(struct go7007 *go);
 109         int (*stream_stop)(struct go7007 *go);
 110         int (*send_firmware)(struct go7007 *go, u8 *data, int len);
 111         int (*send_command)(struct go7007 *go, unsigned int cmd, void *arg);
 112 };
 113
 114 /* The video buffer size must be a multiple of PAGE_SIZE */
 115 #define GO7007_BUF_PAGES        (128 * 1024 / PAGE_SIZE)
 116 #define GO7007_BUF_SIZE         (GO7007_BUF_PAGES << PAGE_SHIFT)
 117
 118 struct go7007_buffer {
 119         struct go7007 *go; /* Reverse reference for VMA ops */
 120         int index; /* Reverse reference for DQBUF */
 121         enum { BUF_STATE_IDLE, BUF_STATE_QUEUED, BUF_STATE_DONE } state;
 122         u32 seq;
 123         struct timeval timestamp;
 124         struct list_head stream;
 125         struct page *pages[GO7007_BUF_PAGES + 1]; /* extra for straddling */
 126         unsigned long user_addr;
 127         unsigned int page_count;
 128         unsigned int offset;
 129         unsigned int bytesused;
 130         unsigned int frame_offset;
 131         u32 modet_active;
 132         int mapped;
 133 };
 134
 135 struct go7007_file {
 136         struct go7007 *go;
 137         struct mutex lock;
 138         int buf_count;
 139         struct go7007_buffer *bufs;
 140 };
 141
 142 #define GO7007_FORMAT_MJPEG     0
 143 #define GO7007_FORMAT_MPEG4     1
 144 #define GO7007_FORMAT_MPEG1     2
 145 #define GO7007_FORMAT_MPEG2     3
 146 #define GO7007_FORMAT_H263      4
 147
 148 #define GO7007_RATIO_1_1        0
 149 #define GO7007_RATIO_4_3        1
 150 #define GO7007_RATIO_16_9       2
 151
 152 enum go7007_parser_state {
 153         STATE_DATA,
 154         STATE_00,
 155         STATE_00_00,
 156         STATE_00_00_01,
 157         STATE_FF,
 158         STATE_VBI_LEN_A,
 159         STATE_VBI_LEN_B,
 160         STATE_MODET_MAP,
 161         STATE_UNPARSED,
 162 };
 163
 164 struct go7007 {
 165         struct device *dev;
 166         struct go7007_board_info *board_info;
 167         unsigned int board_id;
 168         int tuner_type;
 169         int channel_number; /* for multi-channel boards like Adlink PCI-MPG24 */
 170         char name[64];
 171         struct video_device *video_dev;
 172         struct v4l2_device v4l2_dev;
 173         int ref_count;
 174         enum { STATUS_INIT, STATUS_ONLINE, STATUS_SHUTDOWN } status;
 175         spinlock_t spinlock;
 176         struct mutex hw_lock;
 177         int streaming;
 178         int in_use;
 179         int audio_enabled;
 180
 181         /* Video input */
 182         int input;
 183         enum { GO7007_STD_NTSC, GO7007_STD_PAL, GO7007_STD_OTHER } standard;
 184         int sensor_framerate;
 185         int width;
 186         int height;
 187         int encoder_h_offset;
 188         int encoder_v_offset;
 189         unsigned int encoder_h_halve:1;
 190         unsigned int encoder_v_halve:1;
 191         unsigned int encoder_subsample:1;
 192
 193         /* Encoder config */
 194         int format;
 195         int bitrate;
 196         int fps_scale;
 197         int pali;
 198         int aspect_ratio;
 199         int gop_size;
 200         unsigned int ipb:1;
 201         unsigned int closed_gop:1;
 202         unsigned int repeat_seqhead:1;
 203         unsigned int seq_header_enable:1;
 204         unsigned int gop_header_enable:1;
 205         unsigned int dvd_mode:1;
 206         unsigned int interlace_coding:1;
 207
 208         /* Motion detection */
 209         unsigned int modet_enable:1;
 210         struct {
 211                 unsigned int enable:1;
 212                 int pixel_threshold;
 213                 int motion_threshold;
 214                 int mb_threshold;
 215         } modet[4];
 216         unsigned char modet_map[1624];
 217         unsigned char active_map[216];
 218
 219         /* Video streaming */
 220         struct go7007_buffer *active_buf;
 221         enum go7007_parser_state state;
 222         int parse_length;
 223         u16 modet_word;
 224         int seen_frame;
 225         u32 next_seq;
 226         struct list_head stream;
 227         wait_queue_head_t frame_waitq;
 228
 229         /* Audio streaming */
 230         void (*audio_deliver)(struct go7007 *go, u8 *buf, int length);
 231         void *snd_context;
 232
 233         /* I2C */
 234         int i2c_adapter_online;
 235         struct i2c_adapter i2c_adapter;
 236
 237         /* HPI driver */
 238         struct go7007_hpi_ops *hpi_ops;
 239         void *hpi_context;
 240         int interrupt_available;
 241         wait_queue_head_t interrupt_waitq;
 242         unsigned short interrupt_value;
 243         unsigned short interrupt_data;
 244 };
 245
 246 static inline struct go7007 *to_go7007(struct v4l2_device *v4l2_dev)
 247 {
 248         return container_of(v4l2_dev, struct go7007, v4l2_dev);
 249 }
 250
 251 /* All of these must be called with the hpi_lock mutex held! */
 252 #define go7007_interface_reset(go) \
 253                         ((go)->hpi_ops->interface_reset(go))
 254 #define go7007_write_interrupt(go, x, y) \
 255                         ((go)->hpi_ops->write_interrupt)((go), (x), (y))
 256 #define go7007_stream_start(go) \
 257                         ((go)->hpi_ops->stream_start(go))
 258 #define go7007_stream_stop(go) \
 259                         ((go)->hpi_ops->stream_stop(go))
 260 #define go7007_send_firmware(go, x, y) \
 261                         ((go)->hpi_ops->send_firmware)((go), (x), (y))
 262 #define go7007_write_addr(go, x, y) \
 263                         ((go)->hpi_ops->write_interrupt)((go), (x)|0x8000, (y))
 264
 265 /* go7007-driver.c */
 266 int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data);
 267 int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data);
 268 int go7007_boot_encoder(struct go7007 *go, int init_i2c);
 269 int go7007_reset_encoder(struct go7007 *go);
 270 int go7007_register_encoder(struct go7007 *go);
 271 int go7007_start_encoder(struct go7007 *go);
 272 void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length);
 273 struct go7007 *go7007_alloc(struct go7007_board_info *board,
 274                                         struct device *dev);
 275 void go7007_remove(struct go7007 *go);
 276
 277 /* go7007-fw.c */
 278 int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen);
 279
 280 /* go7007-i2c.c */
 281 int go7007_i2c_init(struct go7007 *go);
 282 int go7007_i2c_remove(struct go7007 *go);
 283
 284 /* go7007-v4l2.c */
 285 int go7007_v4l2_init(struct go7007 *go);
 286 void go7007_v4l2_remove(struct go7007 *go);
 287
 288 /* snd-go7007.c */
 289 int go7007_snd_init(struct go7007 *go);
 290 int go7007_snd_remove(struct go7007 *go);