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