1 /* 2 * zoran - Iomega Buz driver 3 * 4 * Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de> 5 * 6 * based on 7 * 8 * zoran.0.0.3 Copyright (C) 1998 Dave Perks <dperks@ibm.net> 9 * 10 * and 11 * 12 * bttv - Bt848 frame grabber driver 13 * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de) 14 * & Marcus Metzler (mocm@thp.uni-koeln.de) 15 * 16 * This program is free software; you can redistribute it and/or modify 17 * it under the terms of the GNU General Public License as published by 18 * the Free Software Foundation; either version 2 of the License, or 19 * (at your option) any later version. 20 * 21 * This program is distributed in the hope that it will be useful, 22 * but WITHOUT ANY WARRANTY; without even the implied warranty of 23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 24 * GNU General Public License for more details. 25 * 26 * You should have received a copy of the GNU General Public License 27 * along with this program; if not, write to the Free Software 28 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 29 */ 30 31 #ifndef _BUZ_H_ 32 #define _BUZ_H_ 33 34 #include <media/v4l2-device.h> 35 #include <media/v4l2-ctrls.h> 36 #include <media/v4l2-fh.h> 37 38 struct zoran_sync { 39 unsigned long frame; /* number of buffer that has been free'd */ 40 unsigned long length; /* number of code bytes in buffer (capture only) */ 41 unsigned long seq; /* frame sequence number */ 42 struct timeval timestamp; /* timestamp */ 43 }; 44 45 46 #define ZORAN_NAME "ZORAN" /* name of the device */ 47 48 #define ZR_DEVNAME(zr) ((zr)->name) 49 50 #define BUZ_MAX_WIDTH (zr->timing->Wa) 51 #define BUZ_MAX_HEIGHT (zr->timing->Ha) 52 #define BUZ_MIN_WIDTH 32 /* never display less than 32 pixels */ 53 #define BUZ_MIN_HEIGHT 24 /* never display less than 24 rows */ 54 55 #define BUZ_NUM_STAT_COM 4 56 #define BUZ_MASK_STAT_COM 3 57 58 #define BUZ_MAX_FRAME 256 /* Must be a power of 2 */ 59 #define BUZ_MASK_FRAME 255 /* Must be BUZ_MAX_FRAME-1 */ 60 61 #define BUZ_MAX_INPUT 16 62 63 #if VIDEO_MAX_FRAME <= 32 64 # define V4L_MAX_FRAME 32 65 #elif VIDEO_MAX_FRAME <= 64 66 # define V4L_MAX_FRAME 64 67 #else 68 # error "Too many video frame buffers to handle" 69 #endif 70 #define V4L_MASK_FRAME (V4L_MAX_FRAME - 1) 71 72 #define MAX_FRAME (BUZ_MAX_FRAME > VIDEO_MAX_FRAME ? BUZ_MAX_FRAME : VIDEO_MAX_FRAME) 73 74 #include "zr36057.h" 75 76 enum card_type { 77 UNKNOWN = -1, 78 79 /* Pinnacle/Miro */ 80 DC10_old, /* DC30 like */ 81 DC10_new, /* DC10plus like */ 82 DC10plus, 83 DC30, 84 DC30plus, 85 86 /* Linux Media Labs */ 87 LML33, 88 LML33R10, 89 90 /* Iomega */ 91 BUZ, 92 93 /* AverMedia */ 94 AVS6EYES, 95 96 /* total number of cards */ 97 NUM_CARDS 98 }; 99 100 enum zoran_codec_mode { 101 BUZ_MODE_IDLE, /* nothing going on */ 102 BUZ_MODE_MOTION_COMPRESS, /* grabbing frames */ 103 BUZ_MODE_MOTION_DECOMPRESS, /* playing frames */ 104 BUZ_MODE_STILL_COMPRESS, /* still frame conversion */ 105 BUZ_MODE_STILL_DECOMPRESS /* still frame conversion */ 106 }; 107 108 enum zoran_buffer_state { 109 BUZ_STATE_USER, /* buffer is owned by application */ 110 BUZ_STATE_PEND, /* buffer is queued in pend[] ready to feed to I/O */ 111 BUZ_STATE_DMA, /* buffer is queued in dma[] for I/O */ 112 BUZ_STATE_DONE /* buffer is ready to return to application */ 113 }; 114 115 enum zoran_map_mode { 116 ZORAN_MAP_MODE_RAW, 117 ZORAN_MAP_MODE_JPG_REC, 118 #define ZORAN_MAP_MODE_JPG ZORAN_MAP_MODE_JPG_REC 119 ZORAN_MAP_MODE_JPG_PLAY, 120 }; 121 122 enum gpio_type { 123 ZR_GPIO_JPEG_SLEEP = 0, 124 ZR_GPIO_JPEG_RESET, 125 ZR_GPIO_JPEG_FRAME, 126 ZR_GPIO_VID_DIR, 127 ZR_GPIO_VID_EN, 128 ZR_GPIO_VID_RESET, 129 ZR_GPIO_CLK_SEL1, 130 ZR_GPIO_CLK_SEL2, 131 ZR_GPIO_MAX, 132 }; 133 134 enum gpcs_type { 135 GPCS_JPEG_RESET = 0, 136 GPCS_JPEG_START, 137 GPCS_MAX, 138 }; 139 140 struct zoran_format { 141 char *name; 142 __u32 fourcc; 143 int colorspace; 144 int depth; 145 __u32 flags; 146 __u32 vfespfr; 147 }; 148 /* flags */ 149 #define ZORAN_FORMAT_COMPRESSED 1<<0 150 #define ZORAN_FORMAT_OVERLAY 1<<1 151 #define ZORAN_FORMAT_CAPTURE 1<<2 152 #define ZORAN_FORMAT_PLAYBACK 1<<3 153 154 /* overlay-settings */ 155 struct zoran_overlay_settings { 156 int is_set; 157 int x, y, width, height; /* position */ 158 int clipcount; /* position and number of clips */ 159 const struct zoran_format *format; /* overlay format */ 160 }; 161 162 /* v4l-capture settings */ 163 struct zoran_v4l_settings { 164 int width, height, bytesperline; /* capture size */ 165 const struct zoran_format *format; /* capture format */ 166 }; 167 168 /* jpg-capture/-playback settings */ 169 struct zoran_jpg_settings { 170 int decimation; /* this bit is used to set everything to default */ 171 int HorDcm, VerDcm, TmpDcm; /* capture decimation settings (TmpDcm=1 means both fields) */ 172 int field_per_buff, odd_even; /* field-settings (odd_even=1 (+TmpDcm=1) means top-field-first) */ 173 int img_x, img_y, img_width, img_height; /* crop settings (subframe capture) */ 174 struct v4l2_jpegcompression jpg_comp; /* JPEG-specific capture settings */ 175 }; 176 177 struct zoran_fh; 178 179 struct zoran_mapping { 180 struct zoran_fh *fh; 181 atomic_t count; 182 }; 183 184 struct zoran_buffer { 185 struct zoran_mapping *map; 186 enum zoran_buffer_state state; /* state: unused/pending/dma/done */ 187 struct zoran_sync bs; /* DONE: info to return to application */ 188 union { 189 struct { 190 __le32 *frag_tab; /* addresses of frag table */ 191 u32 frag_tab_bus; /* same value cached to save time in ISR */ 192 } jpg; 193 struct { 194 char *fbuffer; /* virtual address of frame buffer */ 195 unsigned long fbuffer_phys;/* physical address of frame buffer */ 196 unsigned long fbuffer_bus;/* bus address of frame buffer */ 197 } v4l; 198 }; 199 }; 200 201 enum zoran_lock_activity { 202 ZORAN_FREE, /* free for use */ 203 ZORAN_ACTIVE, /* active but unlocked */ 204 ZORAN_LOCKED, /* locked */ 205 }; 206 207 /* buffer collections */ 208 struct zoran_buffer_col { 209 enum zoran_lock_activity active; /* feature currently in use? */ 210 unsigned int num_buffers, buffer_size; 211 struct zoran_buffer buffer[MAX_FRAME]; /* buffers */ 212 u8 allocated; /* Flag if buffers are allocated */ 213 u8 need_contiguous; /* Flag if contiguous buffers are needed */ 214 /* only applies to jpg buffers, raw buffers are always contiguous */ 215 }; 216 217 struct zoran; 218 219 /* zoran_fh contains per-open() settings */ 220 struct zoran_fh { 221 struct v4l2_fh fh; 222 struct zoran *zr; 223 224 enum zoran_map_mode map_mode; /* Flag which bufferset will map by next mmap() */ 225 226 struct zoran_overlay_settings overlay_settings; 227 u32 *overlay_mask; /* overlay mask */ 228 enum zoran_lock_activity overlay_active;/* feature currently in use? */ 229 230 struct zoran_buffer_col buffers; /* buffers' info */ 231 232 struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */ 233 struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */ 234 }; 235 236 struct card_info { 237 enum card_type type; 238 char name[32]; 239 const char *i2c_decoder; /* i2c decoder device */ 240 const unsigned short *addrs_decoder; 241 const char *i2c_encoder; /* i2c encoder device */ 242 const unsigned short *addrs_encoder; 243 u16 video_vfe, video_codec; /* videocodec types */ 244 u16 audio_chip; /* audio type */ 245 246 int inputs; /* number of video inputs */ 247 struct input { 248 int muxsel; 249 char name[32]; 250 } input[BUZ_MAX_INPUT]; 251 252 v4l2_std_id norms; 253 struct tvnorm *tvn[3]; /* supported TV norms */ 254 255 u32 jpeg_int; /* JPEG interrupt */ 256 u32 vsync_int; /* VSYNC interrupt */ 257 s8 gpio[ZR_GPIO_MAX]; 258 u8 gpcs[GPCS_MAX]; 259 260 struct vfe_polarity vfe_pol; 261 u8 gpio_pol[ZR_GPIO_MAX]; 262 263 /* is the /GWS line connected? */ 264 u8 gws_not_connected; 265 266 /* avs6eyes mux setting */ 267 u8 input_mux; 268 269 void (*init) (struct zoran * zr); 270 }; 271 272 struct zoran { 273 struct v4l2_device v4l2_dev; 274 struct v4l2_ctrl_handler hdl; 275 struct video_device *video_dev; 276 277 struct i2c_adapter i2c_adapter; /* */ 278 struct i2c_algo_bit_data i2c_algo; /* */ 279 u32 i2cbr; 280 281 struct v4l2_subdev *decoder; /* video decoder sub-device */ 282 struct v4l2_subdev *encoder; /* video encoder sub-device */ 283 284 struct videocodec *codec; /* video codec */ 285 struct videocodec *vfe; /* video front end */ 286 287 struct mutex lock; /* file ops serialize lock */ 288 289 u8 initialized; /* flag if zoran has been correctly initialized */ 290 int user; /* number of current users */ 291 struct card_info card; 292 struct tvnorm *timing; 293 294 unsigned short id; /* number of this device */ 295 char name[32]; /* name of this device */ 296 struct pci_dev *pci_dev; /* PCI device */ 297 unsigned char revision; /* revision of zr36057 */ 298 unsigned char __iomem *zr36057_mem;/* pointer to mapped IO memory */ 299 300 spinlock_t spinlock; /* Spinlock */ 301 302 /* Video for Linux parameters */ 303 int input; /* card's norm and input */ 304 v4l2_std_id norm; 305 306 /* Current buffer params */ 307 void *vbuf_base; 308 int vbuf_height, vbuf_width; 309 int vbuf_depth; 310 int vbuf_bytesperline; 311 312 struct zoran_overlay_settings overlay_settings; 313 u32 *overlay_mask; /* overlay mask */ 314 enum zoran_lock_activity overlay_active; /* feature currently in use? */ 315 316 wait_queue_head_t v4l_capq; 317 318 int v4l_overlay_active; /* Overlay grab is activated */ 319 int v4l_memgrab_active; /* Memory grab is activated */ 320 321 int v4l_grab_frame; /* Frame number being currently grabbed */ 322 #define NO_GRAB_ACTIVE (-1) 323 unsigned long v4l_grab_seq; /* Number of frames grabbed */ 324 struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */ 325 326 /* V4L grab queue of frames pending */ 327 unsigned long v4l_pend_head; 328 unsigned long v4l_pend_tail; 329 unsigned long v4l_sync_tail; 330 int v4l_pend[V4L_MAX_FRAME]; 331 struct zoran_buffer_col v4l_buffers; /* V4L buffers' info */ 332 333 /* Buz MJPEG parameters */ 334 enum zoran_codec_mode codec_mode; /* status of codec */ 335 struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */ 336 337 wait_queue_head_t jpg_capq; /* wait here for grab to finish */ 338 339 /* grab queue counts/indices, mask with BUZ_MASK_STAT_COM before using as index */ 340 /* (dma_head - dma_tail) is number active in DMA, must be <= BUZ_NUM_STAT_COM */ 341 /* (value & BUZ_MASK_STAT_COM) corresponds to index in stat_com table */ 342 unsigned long jpg_que_head; /* Index where to put next buffer which is queued */ 343 unsigned long jpg_dma_head; /* Index of next buffer which goes into stat_com */ 344 unsigned long jpg_dma_tail; /* Index of last buffer in stat_com */ 345 unsigned long jpg_que_tail; /* Index of last buffer in queue */ 346 unsigned long jpg_seq_num; /* count of frames since grab/play started */ 347 unsigned long jpg_err_seq; /* last seq_num before error */ 348 unsigned long jpg_err_shift; 349 unsigned long jpg_queued_num; /* count of frames queued since grab/play started */ 350 351 /* zr36057's code buffer table */ 352 __le32 *stat_com; /* stat_com[i] is indexed by dma_head/tail & BUZ_MASK_STAT_COM */ 353 354 /* (value & BUZ_MASK_FRAME) corresponds to index in pend[] queue */ 355 int jpg_pend[BUZ_MAX_FRAME]; 356 357 /* array indexed by frame number */ 358 struct zoran_buffer_col jpg_buffers; /* MJPEG buffers' info */ 359 360 /* Additional stuff for testing */ 361 #ifdef CONFIG_PROC_FS 362 struct proc_dir_entry *zoran_proc; 363 #else 364 void *zoran_proc; 365 #endif 366 int testing; 367 int jpeg_error; 368 int intr_counter_GIRQ1; 369 int intr_counter_GIRQ0; 370 int intr_counter_CodRepIRQ; 371 int intr_counter_JPEGRepIRQ; 372 int field_counter; 373 int IRQ1_in; 374 int IRQ1_out; 375 int JPEG_in; 376 int JPEG_out; 377 int JPEG_0; 378 int JPEG_1; 379 int END_event_missed; 380 int JPEG_missed; 381 int JPEG_error; 382 int num_errors; 383 int JPEG_max_missed; 384 int JPEG_min_missed; 385 386 u32 last_isr; 387 unsigned long frame_num; 388 389 wait_queue_head_t test_q; 390 }; 391 392 static inline struct zoran *to_zoran(struct v4l2_device *v4l2_dev) 393 { 394 return container_of(v4l2_dev, struct zoran, v4l2_dev); 395 } 396 397 /* There was something called _ALPHA_BUZ that used the PCI address instead of 398 * the kernel iomapped address for btread/btwrite. */ 399 #define btwrite(dat,adr) writel((dat), zr->zr36057_mem+(adr)) 400 #define btread(adr) readl(zr->zr36057_mem+(adr)) 401 402 #define btand(dat,adr) btwrite((dat) & btread(adr), adr) 403 #define btor(dat,adr) btwrite((dat) | btread(adr), adr) 404 #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr) 405 406 #endif 407