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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. | |
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 | struct zoran_requestbuffers { | |
35 | unsigned long count; /* Number of buffers for MJPEG grabbing */ | |
36 | unsigned long size; /* Size PER BUFFER in bytes */ | |
37 | }; | |
38 | ||
39 | struct zoran_sync { | |
40 | unsigned long frame; /* number of buffer that has been free'd */ | |
41 | unsigned long length; /* number of code bytes in buffer (capture only) */ | |
42 | unsigned long seq; /* frame sequence number */ | |
43 | struct timeval timestamp; /* timestamp */ | |
44 | }; | |
45 | ||
46 | struct zoran_status { | |
47 | int input; /* Input channel, has to be set prior to BUZIOC_G_STATUS */ | |
48 | int signal; /* Returned: 1 if valid video signal detected */ | |
49 | int norm; /* Returned: VIDEO_MODE_PAL or VIDEO_MODE_NTSC */ | |
50 | int color; /* Returned: 1 if color signal detected */ | |
51 | }; | |
52 | ||
53 | struct zoran_params { | |
54 | ||
55 | /* The following parameters can only be queried */ | |
56 | ||
57 | int major_version; /* Major version number of driver */ | |
58 | int minor_version; /* Minor version number of driver */ | |
59 | ||
60 | /* Main control parameters */ | |
61 | ||
62 | int input; /* Input channel: 0 = Composite, 1 = S-VHS */ | |
63 | int norm; /* Norm: VIDEO_MODE_PAL or VIDEO_MODE_NTSC */ | |
64 | int decimation; /* decimation of captured video, | |
65 | * enlargement of video played back. | |
66 | * Valid values are 1, 2, 4 or 0. | |
67 | * 0 is a special value where the user | |
68 | * has full control over video scaling */ | |
69 | ||
70 | /* The following parameters only have to be set if decimation==0, | |
71 | * for other values of decimation they provide the data how the image is captured */ | |
72 | ||
73 | int HorDcm; /* Horizontal decimation: 1, 2 or 4 */ | |
74 | int VerDcm; /* Vertical decimation: 1 or 2 */ | |
75 | int TmpDcm; /* Temporal decimation: 1 or 2, | |
76 | * if TmpDcm==2 in capture every second frame is dropped, | |
77 | * in playback every frame is played twice */ | |
78 | int field_per_buff; /* Number of fields per buffer: 1 or 2 */ | |
79 | int img_x; /* start of image in x direction */ | |
80 | int img_y; /* start of image in y direction */ | |
81 | int img_width; /* image width BEFORE decimation, | |
82 | * must be a multiple of HorDcm*16 */ | |
83 | int img_height; /* image height BEFORE decimation, | |
84 | * must be a multiple of VerDcm*8 */ | |
85 | ||
86 | /* --- End of parameters for decimation==0 only --- */ | |
87 | ||
88 | /* JPEG control parameters */ | |
89 | ||
90 | int quality; /* Measure for quality of compressed images. | |
91 | * Scales linearly with the size of the compressed images. | |
92 | * Must be beetween 0 and 100, 100 is a compression | |
93 | * ratio of 1:4 */ | |
94 | ||
95 | int odd_even; /* Which field should come first ??? */ | |
96 | ||
97 | int APPn; /* Number of APP segment to be written, must be 0..15 */ | |
98 | int APP_len; /* Length of data in JPEG APPn segment */ | |
99 | char APP_data[60]; /* Data in the JPEG APPn segment. */ | |
100 | ||
101 | int COM_len; /* Length of data in JPEG COM segment */ | |
102 | char COM_data[60]; /* Data in JPEG COM segment */ | |
103 | ||
104 | unsigned long jpeg_markers; /* Which markers should go into the JPEG output. | |
105 | * Unless you exactly know what you do, leave them untouched. | |
106 | * Inluding less markers will make the resulting code | |
107 | * smaller, but there will be fewer aplications | |
108 | * which can read it. | |
109 | * The presence of the APP and COM marker is | |
110 | * influenced by APP0_len and COM_len ONLY! */ | |
111 | #define JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ | |
112 | #define JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ | |
113 | #define JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ | |
114 | #define JPEG_MARKER_COM (1<<6) /* Comment segment */ | |
115 | #define JPEG_MARKER_APP (1<<7) /* App segment, driver will allways use APP0 */ | |
116 | ||
117 | int VFIFO_FB; /* Flag for enabling Video Fifo Feedback. | |
118 | * If this flag is turned on and JPEG decompressing | |
119 | * is going to the screen, the decompress process | |
120 | * is stopped every time the Video Fifo is full. | |
121 | * This enables a smooth decompress to the screen | |
122 | * but the video output signal will get scrambled */ | |
123 | ||
124 | /* Misc */ | |
125 | ||
126 | char reserved[312]; /* Makes 512 bytes for this structure */ | |
127 | }; | |
128 | ||
129 | /* | |
130 | Private IOCTL to set up for displaying MJPEG | |
131 | */ | |
132 | #define BUZIOC_G_PARAMS _IOR ('v', BASE_VIDIOCPRIVATE+0, struct zoran_params) | |
133 | #define BUZIOC_S_PARAMS _IOWR('v', BASE_VIDIOCPRIVATE+1, struct zoran_params) | |
134 | #define BUZIOC_REQBUFS _IOWR('v', BASE_VIDIOCPRIVATE+2, struct zoran_requestbuffers) | |
135 | #define BUZIOC_QBUF_CAPT _IOW ('v', BASE_VIDIOCPRIVATE+3, int) | |
136 | #define BUZIOC_QBUF_PLAY _IOW ('v', BASE_VIDIOCPRIVATE+4, int) | |
137 | #define BUZIOC_SYNC _IOR ('v', BASE_VIDIOCPRIVATE+5, struct zoran_sync) | |
138 | #define BUZIOC_G_STATUS _IOWR('v', BASE_VIDIOCPRIVATE+6, struct zoran_status) | |
139 | ||
140 | ||
141 | #ifdef __KERNEL__ | |
142 | ||
143 | #define MAJOR_VERSION 0 /* driver major version */ | |
144 | #define MINOR_VERSION 9 /* driver minor version */ | |
145 | #define RELEASE_VERSION 5 /* release version */ | |
146 | ||
147 | #define ZORAN_NAME "ZORAN" /* name of the device */ | |
148 | ||
149 | #define ZR_DEVNAME(zr) ((zr)->name) | |
150 | ||
151 | #define BUZ_MAX_WIDTH (zr->timing->Wa) | |
152 | #define BUZ_MAX_HEIGHT (zr->timing->Ha) | |
153 | #define BUZ_MIN_WIDTH 32 /* never display less than 32 pixels */ | |
154 | #define BUZ_MIN_HEIGHT 24 /* never display less than 24 rows */ | |
155 | ||
156 | #define BUZ_NUM_STAT_COM 4 | |
157 | #define BUZ_MASK_STAT_COM 3 | |
158 | ||
159 | #define BUZ_MAX_FRAME 256 /* Must be a power of 2 */ | |
160 | #define BUZ_MASK_FRAME 255 /* Must be BUZ_MAX_FRAME-1 */ | |
161 | ||
fbe60daa | 162 | #define BUZ_MAX_INPUT 16 |
1da177e4 LT |
163 | |
164 | #if VIDEO_MAX_FRAME <= 32 | |
165 | # define V4L_MAX_FRAME 32 | |
166 | #elif VIDEO_MAX_FRAME <= 64 | |
167 | # define V4L_MAX_FRAME 64 | |
168 | #else | |
169 | # error "Too many video frame buffers to handle" | |
170 | #endif | |
171 | #define V4L_MASK_FRAME (V4L_MAX_FRAME - 1) | |
172 | ||
173 | #define MAX_KMALLOC_MEM (128*1024) | |
174 | ||
175 | #include "zr36057.h" | |
176 | ||
177 | enum card_type { | |
178 | UNKNOWN = -1, | |
179 | ||
180 | /* Pinnacle/Miro */ | |
181 | DC10_old, /* DC30 like */ | |
182 | DC10_new, /* DC10plus like */ | |
183 | DC10plus, | |
184 | DC30, | |
185 | DC30plus, | |
186 | ||
187 | /* Linux Media Labs */ | |
188 | LML33, | |
189 | LML33R10, | |
190 | ||
191 | /* Iomega */ | |
192 | BUZ, | |
193 | ||
fbe60daa MS |
194 | /* AverMedia */ |
195 | AVS6EYES, | |
196 | ||
1da177e4 LT |
197 | /* total number of cards */ |
198 | NUM_CARDS | |
199 | }; | |
200 | ||
201 | enum zoran_codec_mode { | |
202 | BUZ_MODE_IDLE, /* nothing going on */ | |
203 | BUZ_MODE_MOTION_COMPRESS, /* grabbing frames */ | |
204 | BUZ_MODE_MOTION_DECOMPRESS, /* playing frames */ | |
205 | BUZ_MODE_STILL_COMPRESS, /* still frame conversion */ | |
206 | BUZ_MODE_STILL_DECOMPRESS /* still frame conversion */ | |
207 | }; | |
208 | ||
209 | enum zoran_buffer_state { | |
210 | BUZ_STATE_USER, /* buffer is owned by application */ | |
211 | BUZ_STATE_PEND, /* buffer is queued in pend[] ready to feed to I/O */ | |
212 | BUZ_STATE_DMA, /* buffer is queued in dma[] for I/O */ | |
213 | BUZ_STATE_DONE /* buffer is ready to return to application */ | |
214 | }; | |
215 | ||
216 | enum zoran_map_mode { | |
217 | ZORAN_MAP_MODE_RAW, | |
218 | ZORAN_MAP_MODE_JPG_REC, | |
219 | #define ZORAN_MAP_MODE_JPG ZORAN_MAP_MODE_JPG_REC | |
220 | ZORAN_MAP_MODE_JPG_PLAY, | |
221 | }; | |
222 | ||
223 | enum gpio_type { | |
6165894f MCC |
224 | ZR_GPIO_JPEG_SLEEP = 0, |
225 | ZR_GPIO_JPEG_RESET, | |
226 | ZR_GPIO_JPEG_FRAME, | |
227 | ZR_GPIO_VID_DIR, | |
228 | ZR_GPIO_VID_EN, | |
229 | ZR_GPIO_VID_RESET, | |
230 | ZR_GPIO_CLK_SEL1, | |
231 | ZR_GPIO_CLK_SEL2, | |
232 | ZR_GPIO_MAX, | |
1da177e4 LT |
233 | }; |
234 | ||
235 | enum gpcs_type { | |
236 | GPCS_JPEG_RESET = 0, | |
237 | GPCS_JPEG_START, | |
238 | GPCS_MAX, | |
239 | }; | |
240 | ||
241 | struct zoran_format { | |
242 | char *name; | |
603d6f2c | 243 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
1da177e4 | 244 | int palette; |
603d6f2c | 245 | #endif |
1da177e4 LT |
246 | __u32 fourcc; |
247 | int colorspace; | |
248 | int depth; | |
249 | __u32 flags; | |
603d6f2c | 250 | __u32 vfespfr; |
1da177e4 LT |
251 | }; |
252 | /* flags */ | |
253 | #define ZORAN_FORMAT_COMPRESSED 1<<0 | |
254 | #define ZORAN_FORMAT_OVERLAY 1<<1 | |
255 | #define ZORAN_FORMAT_CAPTURE 1<<2 | |
256 | #define ZORAN_FORMAT_PLAYBACK 1<<3 | |
257 | ||
258 | /* overlay-settings */ | |
259 | struct zoran_overlay_settings { | |
260 | int is_set; | |
261 | int x, y, width, height; /* position */ | |
262 | int clipcount; /* position and number of clips */ | |
263 | const struct zoran_format *format; /* overlay format */ | |
264 | }; | |
265 | ||
266 | /* v4l-capture settings */ | |
267 | struct zoran_v4l_settings { | |
268 | int width, height, bytesperline; /* capture size */ | |
269 | const struct zoran_format *format; /* capture format */ | |
270 | }; | |
271 | ||
1da177e4 LT |
272 | /* jpg-capture/-playback settings */ |
273 | struct zoran_jpg_settings { | |
274 | int decimation; /* this bit is used to set everything to default */ | |
275 | int HorDcm, VerDcm, TmpDcm; /* capture decimation settings (TmpDcm=1 means both fields) */ | |
276 | int field_per_buff, odd_even; /* field-settings (odd_even=1 (+TmpDcm=1) means top-field-first) */ | |
277 | int img_x, img_y, img_width, img_height; /* crop settings (subframe capture) */ | |
278 | struct v4l2_jpegcompression jpg_comp; /* JPEG-specific capture settings */ | |
279 | }; | |
280 | ||
281 | struct zoran_mapping { | |
282 | struct file *file; | |
283 | int count; | |
284 | }; | |
285 | ||
286 | struct zoran_jpg_buffer { | |
287 | struct zoran_mapping *map; | |
581a7f1a | 288 | __le32 *frag_tab; /* addresses of frag table */ |
1da177e4 LT |
289 | u32 frag_tab_bus; /* same value cached to save time in ISR */ |
290 | enum zoran_buffer_state state; /* non-zero if corresponding buffer is in use in grab queue */ | |
291 | struct zoran_sync bs; /* DONE: info to return to application */ | |
292 | }; | |
293 | ||
294 | struct zoran_v4l_buffer { | |
295 | struct zoran_mapping *map; | |
296 | char *fbuffer; /* virtual address of frame buffer */ | |
297 | unsigned long fbuffer_phys; /* physical address of frame buffer */ | |
298 | unsigned long fbuffer_bus; /* bus address of frame buffer */ | |
299 | enum zoran_buffer_state state; /* state: unused/pending/done */ | |
300 | struct zoran_sync bs; /* DONE: info to return to application */ | |
301 | }; | |
302 | ||
303 | enum zoran_lock_activity { | |
304 | ZORAN_FREE, /* free for use */ | |
305 | ZORAN_ACTIVE, /* active but unlocked */ | |
306 | ZORAN_LOCKED, /* locked */ | |
307 | }; | |
308 | ||
309 | /* buffer collections */ | |
310 | struct zoran_jpg_struct { | |
311 | enum zoran_lock_activity active; /* feature currently in use? */ | |
312 | struct zoran_jpg_buffer buffer[BUZ_MAX_FRAME]; /* buffers */ | |
313 | int num_buffers, buffer_size; | |
314 | u8 allocated; /* Flag if buffers are allocated */ | |
315 | u8 ready_to_be_freed; /* hack - see zoran_driver.c */ | |
316 | u8 need_contiguous; /* Flag if contiguous buffers are needed */ | |
317 | }; | |
318 | ||
319 | struct zoran_v4l_struct { | |
320 | enum zoran_lock_activity active; /* feature currently in use? */ | |
321 | struct zoran_v4l_buffer buffer[VIDEO_MAX_FRAME]; /* buffers */ | |
322 | int num_buffers, buffer_size; | |
323 | u8 allocated; /* Flag if buffers are allocated */ | |
324 | u8 ready_to_be_freed; /* hack - see zoran_driver.c */ | |
325 | }; | |
326 | ||
327 | struct zoran; | |
328 | ||
329 | /* zoran_fh contains per-open() settings */ | |
330 | struct zoran_fh { | |
331 | struct zoran *zr; | |
332 | ||
333 | enum zoran_map_mode map_mode; /* Flag which bufferset will map by next mmap() */ | |
334 | ||
335 | struct zoran_overlay_settings overlay_settings; | |
336 | u32 *overlay_mask; /* overlay mask */ | |
337 | enum zoran_lock_activity overlay_active; /* feature currently in use? */ | |
338 | ||
339 | struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */ | |
340 | struct zoran_v4l_struct v4l_buffers; /* V4L buffers' info */ | |
341 | ||
342 | struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */ | |
343 | struct zoran_jpg_struct jpg_buffers; /* MJPEG buffers' info */ | |
344 | }; | |
345 | ||
346 | struct card_info { | |
347 | enum card_type type; | |
348 | char name[32]; | |
349 | u16 i2c_decoder, i2c_encoder; /* I2C types */ | |
350 | u16 video_vfe, video_codec; /* videocodec types */ | |
351 | u16 audio_chip; /* audio type */ | |
352 | u16 vendor_id, device_id; /* subsystem vendor/device ID */ | |
353 | ||
354 | int inputs; /* number of video inputs */ | |
355 | struct input { | |
356 | int muxsel; | |
357 | char name[32]; | |
358 | } input[BUZ_MAX_INPUT]; | |
359 | ||
360 | int norms; | |
361 | struct tvnorm *tvn[3]; /* supported TV norms */ | |
362 | ||
363 | u32 jpeg_int; /* JPEG interrupt */ | |
364 | u32 vsync_int; /* VSYNC interrupt */ | |
6165894f | 365 | s8 gpio[ZR_GPIO_MAX]; |
1da177e4 LT |
366 | u8 gpcs[GPCS_MAX]; |
367 | ||
368 | struct vfe_polarity vfe_pol; | |
6165894f | 369 | u8 gpio_pol[ZR_GPIO_MAX]; |
1da177e4 LT |
370 | |
371 | /* is the /GWS line conected? */ | |
372 | u8 gws_not_connected; | |
373 | ||
fbe60daa MS |
374 | /* avs6eyes mux setting */ |
375 | u8 input_mux; | |
376 | ||
1da177e4 LT |
377 | void (*init) (struct zoran * zr); |
378 | }; | |
379 | ||
380 | struct zoran { | |
381 | struct video_device *video_dev; | |
382 | ||
383 | struct i2c_adapter i2c_adapter; /* */ | |
384 | struct i2c_algo_bit_data i2c_algo; /* */ | |
385 | u32 i2cbr; | |
386 | ||
387 | struct i2c_client *decoder; /* video decoder i2c client */ | |
388 | struct i2c_client *encoder; /* video encoder i2c client */ | |
389 | ||
390 | struct videocodec *codec; /* video codec */ | |
391 | struct videocodec *vfe; /* video front end */ | |
392 | ||
384c3689 | 393 | struct mutex resource_lock; /* prevent evil stuff */ |
1da177e4 LT |
394 | |
395 | u8 initialized; /* flag if zoran has been correctly initalized */ | |
396 | int user; /* number of current users */ | |
397 | struct card_info card; | |
398 | struct tvnorm *timing; | |
399 | ||
400 | unsigned short id; /* number of this device */ | |
401 | char name[32]; /* name of this device */ | |
402 | struct pci_dev *pci_dev; /* PCI device */ | |
403 | unsigned char revision; /* revision of zr36057 */ | |
404 | unsigned int zr36057_adr; /* bus address of IO mem returned by PCI BIOS */ | |
405 | unsigned char __iomem *zr36057_mem;/* pointer to mapped IO memory */ | |
406 | ||
407 | spinlock_t spinlock; /* Spinlock */ | |
408 | ||
409 | /* Video for Linux parameters */ | |
410 | int input, norm; /* card's norm and input - norm=VIDEO_MODE_* */ | |
411 | int hue, saturation, contrast, brightness; /* Current picture params */ | |
412 | struct video_buffer buffer; /* Current buffer params */ | |
413 | struct zoran_overlay_settings overlay_settings; | |
414 | u32 *overlay_mask; /* overlay mask */ | |
415 | enum zoran_lock_activity overlay_active; /* feature currently in use? */ | |
416 | ||
417 | wait_queue_head_t v4l_capq; | |
418 | ||
419 | int v4l_overlay_active; /* Overlay grab is activated */ | |
420 | int v4l_memgrab_active; /* Memory grab is activated */ | |
421 | ||
422 | int v4l_grab_frame; /* Frame number being currently grabbed */ | |
423 | #define NO_GRAB_ACTIVE (-1) | |
424 | unsigned long v4l_grab_seq; /* Number of frames grabbed */ | |
425 | struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */ | |
426 | ||
427 | /* V4L grab queue of frames pending */ | |
428 | unsigned long v4l_pend_head; | |
429 | unsigned long v4l_pend_tail; | |
430 | unsigned long v4l_sync_tail; | |
431 | int v4l_pend[V4L_MAX_FRAME]; | |
432 | struct zoran_v4l_struct v4l_buffers; /* V4L buffers' info */ | |
433 | ||
434 | /* Buz MJPEG parameters */ | |
435 | enum zoran_codec_mode codec_mode; /* status of codec */ | |
436 | struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */ | |
437 | ||
438 | wait_queue_head_t jpg_capq; /* wait here for grab to finish */ | |
439 | ||
440 | /* grab queue counts/indices, mask with BUZ_MASK_STAT_COM before using as index */ | |
441 | /* (dma_head - dma_tail) is number active in DMA, must be <= BUZ_NUM_STAT_COM */ | |
442 | /* (value & BUZ_MASK_STAT_COM) corresponds to index in stat_com table */ | |
443 | unsigned long jpg_que_head; /* Index where to put next buffer which is queued */ | |
444 | unsigned long jpg_dma_head; /* Index of next buffer which goes into stat_com */ | |
445 | unsigned long jpg_dma_tail; /* Index of last buffer in stat_com */ | |
446 | unsigned long jpg_que_tail; /* Index of last buffer in queue */ | |
447 | unsigned long jpg_seq_num; /* count of frames since grab/play started */ | |
448 | unsigned long jpg_err_seq; /* last seq_num before error */ | |
449 | unsigned long jpg_err_shift; | |
450 | unsigned long jpg_queued_num; /* count of frames queued since grab/play started */ | |
451 | ||
452 | /* zr36057's code buffer table */ | |
581a7f1a | 453 | __le32 *stat_com; /* stat_com[i] is indexed by dma_head/tail & BUZ_MASK_STAT_COM */ |
1da177e4 LT |
454 | |
455 | /* (value & BUZ_MASK_FRAME) corresponds to index in pend[] queue */ | |
456 | int jpg_pend[BUZ_MAX_FRAME]; | |
457 | ||
458 | /* array indexed by frame number */ | |
459 | struct zoran_jpg_struct jpg_buffers; /* MJPEG buffers' info */ | |
460 | ||
461 | /* Additional stuff for testing */ | |
462 | #ifdef CONFIG_PROC_FS | |
463 | struct proc_dir_entry *zoran_proc; | |
464 | #else | |
465 | void *zoran_proc; | |
466 | #endif | |
467 | int testing; | |
468 | int jpeg_error; | |
469 | int intr_counter_GIRQ1; | |
470 | int intr_counter_GIRQ0; | |
471 | int intr_counter_CodRepIRQ; | |
472 | int intr_counter_JPEGRepIRQ; | |
473 | int field_counter; | |
474 | int IRQ1_in; | |
475 | int IRQ1_out; | |
476 | int JPEG_in; | |
477 | int JPEG_out; | |
478 | int JPEG_0; | |
479 | int JPEG_1; | |
480 | int END_event_missed; | |
481 | int JPEG_missed; | |
482 | int JPEG_error; | |
483 | int num_errors; | |
484 | int JPEG_max_missed; | |
485 | int JPEG_min_missed; | |
486 | ||
487 | u32 last_isr; | |
488 | unsigned long frame_num; | |
489 | ||
490 | wait_queue_head_t test_q; | |
491 | }; | |
492 | ||
493 | /*The following should be done in more portable way. It depends on define | |
494 | of _ALPHA_BUZ in the Makefile.*/ | |
495 | ||
496 | #ifdef _ALPHA_BUZ | |
497 | #define btwrite(dat,adr) writel((dat), zr->zr36057_adr+(adr)) | |
498 | #define btread(adr) readl(zr->zr36057_adr+(adr)) | |
499 | #else | |
500 | #define btwrite(dat,adr) writel((dat), zr->zr36057_mem+(adr)) | |
501 | #define btread(adr) readl(zr->zr36057_mem+(adr)) | |
502 | #endif | |
503 | ||
504 | #define btand(dat,adr) btwrite((dat) & btread(adr), adr) | |
505 | #define btor(dat,adr) btwrite((dat) | btread(adr), adr) | |
506 | #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr) | |
507 | ||
508 | #endif /* __kernel__ */ | |
509 | ||
510 | #endif |