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 struct go7007; 25 26 /* IDs to activate board-specific support code */ 27 #define GO7007_BOARDID_MATRIX_II 0 28 #define GO7007_BOARDID_MATRIX_RELOAD 1 29 #define GO7007_BOARDID_STAR_TREK 2 30 #define GO7007_BOARDID_PCI_VOYAGER 3 31 #define GO7007_BOARDID_XMEN 4 32 #define GO7007_BOARDID_XMEN_II 5 33 #define GO7007_BOARDID_XMEN_III 6 34 #define GO7007_BOARDID_MATRIX_REV 7 35 #define GO7007_BOARDID_PX_M402U 16 36 #define GO7007_BOARDID_PX_TV402U_ANY 17 /* need to check tuner model */ 37 #define GO7007_BOARDID_PX_TV402U_NA 18 /* detected NTSC tuner */ 38 #define GO7007_BOARDID_PX_TV402U_EU 19 /* detected PAL tuner */ 39 #define GO7007_BOARDID_PX_TV402U_JP 20 /* detected NTSC-J tuner */ 40 #define GO7007_BOARDID_LIFEVIEW_LR192 21 /* TV Walker Ultra */ 41 #define GO7007_BOARDID_ENDURA 22 42 #define GO7007_BOARDID_ADLINK_MPG24 23 43 #define GO7007_BOARDID_SENSORAY_2250 24 /* Sensoray 2250/2251 */ 44 45 /* Various characteristics of each board */ 46 #define GO7007_BOARD_HAS_AUDIO (1<<0) 47 #define GO7007_BOARD_USE_ONBOARD_I2C (1<<1) 48 #define GO7007_BOARD_HAS_TUNER (1<<2) 49 50 /* Characteristics of sensor devices */ 51 #define GO7007_SENSOR_VALID_POLAR (1<<0) 52 #define GO7007_SENSOR_HREF_POLAR (1<<1) 53 #define GO7007_SENSOR_VREF_POLAR (1<<2) 54 #define GO7007_SENSOR_FIELD_ID_POLAR (1<<3) 55 #define GO7007_SENSOR_BIT_WIDTH (1<<4) 56 #define GO7007_SENSOR_VALID_ENABLE (1<<5) 57 #define GO7007_SENSOR_656 (1<<6) 58 #define GO7007_SENSOR_CONFIG_MASK 0x7f 59 #define GO7007_SENSOR_TV (1<<7) 60 #define GO7007_SENSOR_VBI (1<<8) 61 #define GO7007_SENSOR_SCALING (1<<9) 62 63 /* Characteristics of audio sensor devices */ 64 #define GO7007_AUDIO_I2S_MODE_1 (1) 65 #define GO7007_AUDIO_I2S_MODE_2 (2) 66 #define GO7007_AUDIO_I2S_MODE_3 (3) 67 #define GO7007_AUDIO_BCLK_POLAR (1<<2) 68 #define GO7007_AUDIO_WORD_14 (14<<4) 69 #define GO7007_AUDIO_WORD_16 (16<<4) 70 #define GO7007_AUDIO_ONE_CHANNEL (1<<11) 71 #define GO7007_AUDIO_I2S_MASTER (1<<16) 72 #define GO7007_AUDIO_OKI_MODE (1<<17) 73 74 struct go7007_board_info { 75 char *firmware; 76 unsigned int flags; 77 int hpi_buffer_cap; 78 unsigned int sensor_flags; 79 int sensor_width; 80 int sensor_height; 81 int sensor_framerate; 82 int sensor_h_offset; 83 int sensor_v_offset; 84 unsigned int audio_flags; 85 int audio_rate; 86 int audio_bclk_div; 87 int audio_main_div; 88 int num_i2c_devs; 89 struct { 90 int id; 91 int addr; 92 } i2c_devs[4]; 93 int num_inputs; 94 struct { 95 int video_input; 96 int audio_input; 97 char *name; 98 } inputs[4]; 99 }; 100 101 struct go7007_hpi_ops { 102 int (*interface_reset)(struct go7007 *go); 103 int (*write_interrupt)(struct go7007 *go, int addr, int data); 104 int (*read_interrupt)(struct go7007 *go); 105 int (*stream_start)(struct go7007 *go); 106 int (*stream_stop)(struct go7007 *go); 107 int (*send_firmware)(struct go7007 *go, u8 *data, int len); 108 int (*send_command)(struct go7007 *go, unsigned int cmd, void *arg); 109 }; 110 111 /* The video buffer size must be a multiple of PAGE_SIZE */ 112 #define GO7007_BUF_PAGES (128 * 1024 / PAGE_SIZE) 113 #define GO7007_BUF_SIZE (GO7007_BUF_PAGES << PAGE_SHIFT) 114 115 struct go7007_buffer { 116 struct go7007 *go; /* Reverse reference for VMA ops */ 117 int index; /* Reverse reference for DQBUF */ 118 enum { BUF_STATE_IDLE, BUF_STATE_QUEUED, BUF_STATE_DONE } state; 119 u32 seq; 120 struct timeval timestamp; 121 struct list_head stream; 122 struct page *pages[GO7007_BUF_PAGES + 1]; /* extra for straddling */ 123 unsigned long user_addr; 124 unsigned int page_count; 125 unsigned int offset; 126 unsigned int bytesused; 127 unsigned int frame_offset; 128 u32 modet_active; 129 int mapped; 130 }; 131 132 struct go7007_file { 133 struct go7007 *go; 134 struct semaphore lock; 135 int buf_count; 136 struct go7007_buffer *bufs; 137 }; 138 139 #define GO7007_FORMAT_MJPEG 0 140 #define GO7007_FORMAT_MPEG4 1 141 #define GO7007_FORMAT_MPEG1 2 142 #define GO7007_FORMAT_MPEG2 3 143 #define GO7007_FORMAT_H263 4 144 145 #define GO7007_RATIO_1_1 0 146 #define GO7007_RATIO_4_3 1 147 #define GO7007_RATIO_16_9 2 148 149 enum go7007_parser_state { 150 STATE_DATA, 151 STATE_00, 152 STATE_00_00, 153 STATE_00_00_01, 154 STATE_FF, 155 STATE_VBI_LEN_A, 156 STATE_VBI_LEN_B, 157 STATE_MODET_MAP, 158 STATE_UNPARSED, 159 }; 160 161 struct go7007 { 162 struct device *dev; 163 struct go7007_board_info *board_info; 164 unsigned int board_id; 165 int tuner_type; 166 int channel_number; /* for multi-channel boards like Adlink PCI-MPG24 */ 167 char name[64]; 168 struct video_device *video_dev; 169 int ref_count; 170 enum { STATUS_INIT, STATUS_ONLINE, STATUS_SHUTDOWN } status; 171 spinlock_t spinlock; 172 struct semaphore hw_lock; 173 int streaming; 174 int in_use; 175 int audio_enabled; 176 177 /* Video input */ 178 int input; 179 enum { GO7007_STD_NTSC, GO7007_STD_PAL, GO7007_STD_OTHER } standard; 180 int sensor_framerate; 181 int width; 182 int height; 183 int encoder_h_offset; 184 int encoder_v_offset; 185 unsigned int encoder_h_halve:1; 186 unsigned int encoder_v_halve:1; 187 unsigned int encoder_subsample:1; 188 189 /* Encoder config */ 190 int format; 191 int bitrate; 192 int fps_scale; 193 int pali; 194 int aspect_ratio; 195 int gop_size; 196 unsigned int ipb:1; 197 unsigned int closed_gop:1; 198 unsigned int repeat_seqhead:1; 199 unsigned int seq_header_enable:1; 200 unsigned int gop_header_enable:1; 201 unsigned int dvd_mode:1; 202 unsigned int interlace_coding:1; 203 204 /* Motion detection */ 205 unsigned int modet_enable:1; 206 struct { 207 unsigned int enable:1; 208 int pixel_threshold; 209 int motion_threshold; 210 int mb_threshold; 211 } modet[4]; 212 unsigned char modet_map[1624]; 213 unsigned char active_map[216]; 214 215 /* Video streaming */ 216 struct go7007_buffer *active_buf; 217 enum go7007_parser_state state; 218 int parse_length; 219 u16 modet_word; 220 int seen_frame; 221 u32 next_seq; 222 struct list_head stream; 223 wait_queue_head_t frame_waitq; 224 225 /* Audio streaming */ 226 void (*audio_deliver)(struct go7007 *go, u8 *buf, int length); 227 void *snd_context; 228 229 /* I2C */ 230 int i2c_adapter_online; 231 struct i2c_adapter i2c_adapter; 232 233 /* HPI driver */ 234 struct go7007_hpi_ops *hpi_ops; 235 void *hpi_context; 236 int interrupt_available; 237 wait_queue_head_t interrupt_waitq; 238 unsigned short interrupt_value; 239 unsigned short interrupt_data; 240 }; 241 242 /* All of these must be called with the hpi_lock semaphore held! */ 243 #define go7007_interface_reset(go) \ 244 ((go)->hpi_ops->interface_reset(go)) 245 #define go7007_write_interrupt(go, x, y) \ 246 ((go)->hpi_ops->write_interrupt)((go), (x), (y)) 247 #define go7007_stream_start(go) \ 248 ((go)->hpi_ops->stream_start(go)) 249 #define go7007_stream_stop(go) \ 250 ((go)->hpi_ops->stream_stop(go)) 251 #define go7007_send_firmware(go, x, y) \ 252 ((go)->hpi_ops->send_firmware)((go), (x), (y)) 253 #define go7007_write_addr(go, x, y) \ 254 ((go)->hpi_ops->write_interrupt)((go), (x)|0x8000, (y)) 255 256 /* go7007-driver.c */ 257 int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data); 258 int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data); 259 int go7007_boot_encoder(struct go7007 *go, int init_i2c); 260 int go7007_reset_encoder(struct go7007 *go); 261 int go7007_register_encoder(struct go7007 *go); 262 int go7007_start_encoder(struct go7007 *go); 263 void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length); 264 struct go7007 *go7007_alloc(struct go7007_board_info *board, 265 struct device *dev); 266 void go7007_remove(struct go7007 *go); 267 268 /* go7007-fw.c */ 269 int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen); 270 271 /* go7007-i2c.c */ 272 int go7007_i2c_init(struct go7007 *go); 273 int go7007_i2c_remove(struct go7007 *go); 274 275 /* go7007-v4l2.c */ 276 int go7007_v4l2_init(struct go7007 *go); 277 void go7007_v4l2_remove(struct go7007 *go); 278 279 /* snd-go7007.c */ 280 int go7007_snd_init(struct go7007 *go); 281 int go7007_snd_remove(struct go7007 *go); 282