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d56410e0 | 1 | /* |
1da177e4 LT |
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. | |
1da177e4 LT |
25 | */ |
26 | ||
27 | #ifndef _BUZ_H_ | |
28 | #define _BUZ_H_ | |
29 | ||
0ab6e1c3 | 30 | #include <media/v4l2-device.h> |
e56c597b HV |
31 | #include <media/v4l2-ctrls.h> |
32 | #include <media/v4l2-fh.h> | |
0ab6e1c3 | 33 | |
1da177e4 LT |
34 | struct zoran_sync { |
35 | unsigned long frame; /* number of buffer that has been free'd */ | |
36 | unsigned long length; /* number of code bytes in buffer (capture only) */ | |
37 | unsigned long seq; /* frame sequence number */ | |
38 | struct timeval timestamp; /* timestamp */ | |
39 | }; | |
40 | ||
1da177e4 | 41 | |
1da177e4 LT |
42 | #define ZORAN_NAME "ZORAN" /* name of the device */ |
43 | ||
44 | #define ZR_DEVNAME(zr) ((zr)->name) | |
45 | ||
46 | #define BUZ_MAX_WIDTH (zr->timing->Wa) | |
47 | #define BUZ_MAX_HEIGHT (zr->timing->Ha) | |
48 | #define BUZ_MIN_WIDTH 32 /* never display less than 32 pixels */ | |
49 | #define BUZ_MIN_HEIGHT 24 /* never display less than 24 rows */ | |
50 | ||
51 | #define BUZ_NUM_STAT_COM 4 | |
52 | #define BUZ_MASK_STAT_COM 3 | |
53 | ||
54 | #define BUZ_MAX_FRAME 256 /* Must be a power of 2 */ | |
55 | #define BUZ_MASK_FRAME 255 /* Must be BUZ_MAX_FRAME-1 */ | |
56 | ||
fbe60daa | 57 | #define BUZ_MAX_INPUT 16 |
1da177e4 LT |
58 | |
59 | #if VIDEO_MAX_FRAME <= 32 | |
60 | # define V4L_MAX_FRAME 32 | |
61 | #elif VIDEO_MAX_FRAME <= 64 | |
62 | # define V4L_MAX_FRAME 64 | |
63 | #else | |
64 | # error "Too many video frame buffers to handle" | |
65 | #endif | |
66 | #define V4L_MASK_FRAME (V4L_MAX_FRAME - 1) | |
67 | ||
1159b7f1 TP |
68 | #define MAX_FRAME (BUZ_MAX_FRAME > VIDEO_MAX_FRAME ? BUZ_MAX_FRAME : VIDEO_MAX_FRAME) |
69 | ||
1da177e4 LT |
70 | #include "zr36057.h" |
71 | ||
72 | enum card_type { | |
73 | UNKNOWN = -1, | |
74 | ||
75 | /* Pinnacle/Miro */ | |
76 | DC10_old, /* DC30 like */ | |
77 | DC10_new, /* DC10plus like */ | |
78 | DC10plus, | |
79 | DC30, | |
80 | DC30plus, | |
81 | ||
82 | /* Linux Media Labs */ | |
83 | LML33, | |
84 | LML33R10, | |
85 | ||
86 | /* Iomega */ | |
87 | BUZ, | |
88 | ||
fbe60daa MS |
89 | /* AverMedia */ |
90 | AVS6EYES, | |
91 | ||
1da177e4 LT |
92 | /* total number of cards */ |
93 | NUM_CARDS | |
94 | }; | |
95 | ||
96 | enum zoran_codec_mode { | |
97 | BUZ_MODE_IDLE, /* nothing going on */ | |
98 | BUZ_MODE_MOTION_COMPRESS, /* grabbing frames */ | |
99 | BUZ_MODE_MOTION_DECOMPRESS, /* playing frames */ | |
100 | BUZ_MODE_STILL_COMPRESS, /* still frame conversion */ | |
101 | BUZ_MODE_STILL_DECOMPRESS /* still frame conversion */ | |
102 | }; | |
103 | ||
104 | enum zoran_buffer_state { | |
105 | BUZ_STATE_USER, /* buffer is owned by application */ | |
106 | BUZ_STATE_PEND, /* buffer is queued in pend[] ready to feed to I/O */ | |
107 | BUZ_STATE_DMA, /* buffer is queued in dma[] for I/O */ | |
108 | BUZ_STATE_DONE /* buffer is ready to return to application */ | |
109 | }; | |
110 | ||
111 | enum zoran_map_mode { | |
112 | ZORAN_MAP_MODE_RAW, | |
113 | ZORAN_MAP_MODE_JPG_REC, | |
114 | #define ZORAN_MAP_MODE_JPG ZORAN_MAP_MODE_JPG_REC | |
115 | ZORAN_MAP_MODE_JPG_PLAY, | |
116 | }; | |
117 | ||
118 | enum gpio_type { | |
6165894f MCC |
119 | ZR_GPIO_JPEG_SLEEP = 0, |
120 | ZR_GPIO_JPEG_RESET, | |
121 | ZR_GPIO_JPEG_FRAME, | |
122 | ZR_GPIO_VID_DIR, | |
123 | ZR_GPIO_VID_EN, | |
124 | ZR_GPIO_VID_RESET, | |
125 | ZR_GPIO_CLK_SEL1, | |
126 | ZR_GPIO_CLK_SEL2, | |
127 | ZR_GPIO_MAX, | |
1da177e4 LT |
128 | }; |
129 | ||
130 | enum gpcs_type { | |
131 | GPCS_JPEG_RESET = 0, | |
132 | GPCS_JPEG_START, | |
133 | GPCS_MAX, | |
134 | }; | |
135 | ||
136 | struct zoran_format { | |
137 | char *name; | |
1da177e4 LT |
138 | __u32 fourcc; |
139 | int colorspace; | |
140 | int depth; | |
141 | __u32 flags; | |
603d6f2c | 142 | __u32 vfespfr; |
1da177e4 LT |
143 | }; |
144 | /* flags */ | |
145 | #define ZORAN_FORMAT_COMPRESSED 1<<0 | |
146 | #define ZORAN_FORMAT_OVERLAY 1<<1 | |
147 | #define ZORAN_FORMAT_CAPTURE 1<<2 | |
148 | #define ZORAN_FORMAT_PLAYBACK 1<<3 | |
149 | ||
150 | /* overlay-settings */ | |
151 | struct zoran_overlay_settings { | |
152 | int is_set; | |
153 | int x, y, width, height; /* position */ | |
154 | int clipcount; /* position and number of clips */ | |
155 | const struct zoran_format *format; /* overlay format */ | |
156 | }; | |
157 | ||
158 | /* v4l-capture settings */ | |
159 | struct zoran_v4l_settings { | |
160 | int width, height, bytesperline; /* capture size */ | |
161 | const struct zoran_format *format; /* capture format */ | |
162 | }; | |
163 | ||
1da177e4 LT |
164 | /* jpg-capture/-playback settings */ |
165 | struct zoran_jpg_settings { | |
166 | int decimation; /* this bit is used to set everything to default */ | |
167 | int HorDcm, VerDcm, TmpDcm; /* capture decimation settings (TmpDcm=1 means both fields) */ | |
168 | int field_per_buff, odd_even; /* field-settings (odd_even=1 (+TmpDcm=1) means top-field-first) */ | |
169 | int img_x, img_y, img_width, img_height; /* crop settings (subframe capture) */ | |
170 | struct v4l2_jpegcompression jpg_comp; /* JPEG-specific capture settings */ | |
171 | }; | |
172 | ||
3b6456d2 AV |
173 | struct zoran_fh; |
174 | ||
1da177e4 | 175 | struct zoran_mapping { |
3b6456d2 | 176 | struct zoran_fh *fh; |
4ad1f70e | 177 | atomic_t count; |
1da177e4 LT |
178 | }; |
179 | ||
1159b7f1 | 180 | struct zoran_buffer { |
1da177e4 | 181 | struct zoran_mapping *map; |
1159b7f1 TP |
182 | enum zoran_buffer_state state; /* state: unused/pending/dma/done */ |
183 | struct zoran_sync bs; /* DONE: info to return to application */ | |
184 | union { | |
185 | struct { | |
186 | __le32 *frag_tab; /* addresses of frag table */ | |
187 | u32 frag_tab_bus; /* same value cached to save time in ISR */ | |
188 | } jpg; | |
189 | struct { | |
190 | char *fbuffer; /* virtual address of frame buffer */ | |
191 | unsigned long fbuffer_phys;/* physical address of frame buffer */ | |
192 | unsigned long fbuffer_bus;/* bus address of frame buffer */ | |
193 | } v4l; | |
194 | }; | |
1da177e4 LT |
195 | }; |
196 | ||
197 | enum zoran_lock_activity { | |
198 | ZORAN_FREE, /* free for use */ | |
199 | ZORAN_ACTIVE, /* active but unlocked */ | |
200 | ZORAN_LOCKED, /* locked */ | |
201 | }; | |
202 | ||
203 | /* buffer collections */ | |
1159b7f1 | 204 | struct zoran_buffer_col { |
1da177e4 | 205 | enum zoran_lock_activity active; /* feature currently in use? */ |
1159b7f1 TP |
206 | unsigned int num_buffers, buffer_size; |
207 | struct zoran_buffer buffer[MAX_FRAME]; /* buffers */ | |
1da177e4 | 208 | u8 allocated; /* Flag if buffers are allocated */ |
1da177e4 | 209 | u8 need_contiguous; /* Flag if contiguous buffers are needed */ |
1159b7f1 | 210 | /* only applies to jpg buffers, raw buffers are always contiguous */ |
1da177e4 LT |
211 | }; |
212 | ||
213 | struct zoran; | |
214 | ||
215 | /* zoran_fh contains per-open() settings */ | |
216 | struct zoran_fh { | |
e56c597b | 217 | struct v4l2_fh fh; |
1da177e4 LT |
218 | struct zoran *zr; |
219 | ||
1159b7f1 | 220 | enum zoran_map_mode map_mode; /* Flag which bufferset will map by next mmap() */ |
1da177e4 LT |
221 | |
222 | struct zoran_overlay_settings overlay_settings; | |
1159b7f1 TP |
223 | u32 *overlay_mask; /* overlay mask */ |
224 | enum zoran_lock_activity overlay_active;/* feature currently in use? */ | |
1da177e4 | 225 | |
1159b7f1 | 226 | struct zoran_buffer_col buffers; /* buffers' info */ |
1da177e4 | 227 | |
1159b7f1 | 228 | struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */ |
1da177e4 | 229 | struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */ |
1da177e4 LT |
230 | }; |
231 | ||
232 | struct card_info { | |
233 | enum card_type type; | |
234 | char name[32]; | |
0ab6e1c3 | 235 | const char *i2c_decoder; /* i2c decoder device */ |
0ab6e1c3 HV |
236 | const unsigned short *addrs_decoder; |
237 | const char *i2c_encoder; /* i2c encoder device */ | |
0ab6e1c3 | 238 | const unsigned short *addrs_encoder; |
1da177e4 LT |
239 | u16 video_vfe, video_codec; /* videocodec types */ |
240 | u16 audio_chip; /* audio type */ | |
1da177e4 LT |
241 | |
242 | int inputs; /* number of video inputs */ | |
243 | struct input { | |
244 | int muxsel; | |
245 | char name[32]; | |
246 | } input[BUZ_MAX_INPUT]; | |
247 | ||
107063c6 | 248 | v4l2_std_id norms; |
1da177e4 LT |
249 | struct tvnorm *tvn[3]; /* supported TV norms */ |
250 | ||
251 | u32 jpeg_int; /* JPEG interrupt */ | |
252 | u32 vsync_int; /* VSYNC interrupt */ | |
6165894f | 253 | s8 gpio[ZR_GPIO_MAX]; |
1da177e4 LT |
254 | u8 gpcs[GPCS_MAX]; |
255 | ||
256 | struct vfe_polarity vfe_pol; | |
6165894f | 257 | u8 gpio_pol[ZR_GPIO_MAX]; |
1da177e4 | 258 | |
25985edc | 259 | /* is the /GWS line connected? */ |
1da177e4 LT |
260 | u8 gws_not_connected; |
261 | ||
fbe60daa MS |
262 | /* avs6eyes mux setting */ |
263 | u8 input_mux; | |
264 | ||
1da177e4 LT |
265 | void (*init) (struct zoran * zr); |
266 | }; | |
267 | ||
268 | struct zoran { | |
0ab6e1c3 | 269 | struct v4l2_device v4l2_dev; |
e56c597b | 270 | struct v4l2_ctrl_handler hdl; |
1da177e4 LT |
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 | ||
0ab6e1c3 HV |
277 | struct v4l2_subdev *decoder; /* video decoder sub-device */ |
278 | struct v4l2_subdev *encoder; /* video encoder sub-device */ | |
1da177e4 LT |
279 | |
280 | struct videocodec *codec; /* video codec */ | |
281 | struct videocodec *vfe; /* video front end */ | |
282 | ||
7b962d43 | 283 | struct mutex lock; /* file ops serialize lock */ |
1da177e4 | 284 | |
421f91d2 | 285 | u8 initialized; /* flag if zoran has been correctly initialized */ |
1da177e4 LT |
286 | int user; /* number of current users */ |
287 | struct card_info card; | |
288 | struct tvnorm *timing; | |
289 | ||
290 | unsigned short id; /* number of this device */ | |
291 | char name[32]; /* name of this device */ | |
292 | struct pci_dev *pci_dev; /* PCI device */ | |
293 | unsigned char revision; /* revision of zr36057 */ | |
1da177e4 LT |
294 | unsigned char __iomem *zr36057_mem;/* pointer to mapped IO memory */ |
295 | ||
296 | spinlock_t spinlock; /* Spinlock */ | |
297 | ||
298 | /* Video for Linux parameters */ | |
debff5a7 | 299 | int input; /* card's norm and input */ |
107063c6 | 300 | v4l2_std_id norm; |
7f6adeaf HV |
301 | |
302 | /* Current buffer params */ | |
303 | void *vbuf_base; | |
304 | int vbuf_height, vbuf_width; | |
305 | int vbuf_depth; | |
306 | int vbuf_bytesperline; | |
307 | ||
1da177e4 LT |
308 | struct zoran_overlay_settings overlay_settings; |
309 | u32 *overlay_mask; /* overlay mask */ | |
310 | enum zoran_lock_activity overlay_active; /* feature currently in use? */ | |
311 | ||
312 | wait_queue_head_t v4l_capq; | |
313 | ||
314 | int v4l_overlay_active; /* Overlay grab is activated */ | |
315 | int v4l_memgrab_active; /* Memory grab is activated */ | |
316 | ||
317 | int v4l_grab_frame; /* Frame number being currently grabbed */ | |
318 | #define NO_GRAB_ACTIVE (-1) | |
319 | unsigned long v4l_grab_seq; /* Number of frames grabbed */ | |
320 | struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */ | |
321 | ||
322 | /* V4L grab queue of frames pending */ | |
323 | unsigned long v4l_pend_head; | |
324 | unsigned long v4l_pend_tail; | |
325 | unsigned long v4l_sync_tail; | |
326 | int v4l_pend[V4L_MAX_FRAME]; | |
1159b7f1 | 327 | struct zoran_buffer_col v4l_buffers; /* V4L buffers' info */ |
1da177e4 LT |
328 | |
329 | /* Buz MJPEG parameters */ | |
330 | enum zoran_codec_mode codec_mode; /* status of codec */ | |
331 | struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */ | |
332 | ||
333 | wait_queue_head_t jpg_capq; /* wait here for grab to finish */ | |
334 | ||
335 | /* grab queue counts/indices, mask with BUZ_MASK_STAT_COM before using as index */ | |
336 | /* (dma_head - dma_tail) is number active in DMA, must be <= BUZ_NUM_STAT_COM */ | |
337 | /* (value & BUZ_MASK_STAT_COM) corresponds to index in stat_com table */ | |
338 | unsigned long jpg_que_head; /* Index where to put next buffer which is queued */ | |
339 | unsigned long jpg_dma_head; /* Index of next buffer which goes into stat_com */ | |
340 | unsigned long jpg_dma_tail; /* Index of last buffer in stat_com */ | |
341 | unsigned long jpg_que_tail; /* Index of last buffer in queue */ | |
342 | unsigned long jpg_seq_num; /* count of frames since grab/play started */ | |
343 | unsigned long jpg_err_seq; /* last seq_num before error */ | |
344 | unsigned long jpg_err_shift; | |
345 | unsigned long jpg_queued_num; /* count of frames queued since grab/play started */ | |
346 | ||
347 | /* zr36057's code buffer table */ | |
581a7f1a | 348 | __le32 *stat_com; /* stat_com[i] is indexed by dma_head/tail & BUZ_MASK_STAT_COM */ |
1da177e4 LT |
349 | |
350 | /* (value & BUZ_MASK_FRAME) corresponds to index in pend[] queue */ | |
351 | int jpg_pend[BUZ_MAX_FRAME]; | |
352 | ||
353 | /* array indexed by frame number */ | |
1159b7f1 | 354 | struct zoran_buffer_col jpg_buffers; /* MJPEG buffers' info */ |
1da177e4 LT |
355 | |
356 | /* Additional stuff for testing */ | |
357 | #ifdef CONFIG_PROC_FS | |
358 | struct proc_dir_entry *zoran_proc; | |
359 | #else | |
360 | void *zoran_proc; | |
361 | #endif | |
362 | int testing; | |
363 | int jpeg_error; | |
364 | int intr_counter_GIRQ1; | |
365 | int intr_counter_GIRQ0; | |
366 | int intr_counter_CodRepIRQ; | |
367 | int intr_counter_JPEGRepIRQ; | |
368 | int field_counter; | |
369 | int IRQ1_in; | |
370 | int IRQ1_out; | |
371 | int JPEG_in; | |
372 | int JPEG_out; | |
373 | int JPEG_0; | |
374 | int JPEG_1; | |
375 | int END_event_missed; | |
376 | int JPEG_missed; | |
377 | int JPEG_error; | |
378 | int num_errors; | |
379 | int JPEG_max_missed; | |
380 | int JPEG_min_missed; | |
381 | ||
382 | u32 last_isr; | |
383 | unsigned long frame_num; | |
384 | ||
385 | wait_queue_head_t test_q; | |
386 | }; | |
387 | ||
0ab6e1c3 HV |
388 | static inline struct zoran *to_zoran(struct v4l2_device *v4l2_dev) |
389 | { | |
390 | return container_of(v4l2_dev, struct zoran, v4l2_dev); | |
391 | } | |
392 | ||
5e098b66 TP |
393 | /* There was something called _ALPHA_BUZ that used the PCI address instead of |
394 | * the kernel iomapped address for btread/btwrite. */ | |
1da177e4 LT |
395 | #define btwrite(dat,adr) writel((dat), zr->zr36057_mem+(adr)) |
396 | #define btread(adr) readl(zr->zr36057_mem+(adr)) | |
1da177e4 LT |
397 | |
398 | #define btand(dat,adr) btwrite((dat) & btread(adr), adr) | |
399 | #define btor(dat,adr) btwrite((dat) | btread(adr), adr) | |
400 | #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr) | |
401 | ||
1da177e4 | 402 | #endif |