Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
d203a7ec | 2 | * Driver for the VINO (Video In No Out) system found in SGI Indys. |
1da177e4 LT |
3 | * |
4 | * This file is subject to the terms and conditions of the GNU General Public | |
5 | * License version 2 as published by the Free Software Foundation. | |
6 | * | |
d203a7ec RB |
7 | * Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi> |
8 | * | |
9 | * Based on the previous version of the driver for 2.4 kernels by: | |
1da177e4 | 10 | * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org> |
a99e30d7 HV |
11 | * |
12 | * v4l2_device/v4l2_subdev conversion by: | |
13 | * Copyright (C) 2009 Hans Verkuil <hverkuil@xs4all.nl> | |
14 | * | |
15 | * Note: this conversion is untested! Please contact the linux-media | |
16 | * mailinglist if you can test this, together with the test results. | |
1da177e4 LT |
17 | */ |
18 | ||
d203a7ec RB |
19 | /* |
20 | * TODO: | |
a637a114 | 21 | * - remove "mark pages reserved-hacks" from memory allocation code |
3c18ddd1 | 22 | * and implement fault() |
d203a7ec RB |
23 | * - check decimation, calculating and reporting image size when |
24 | * using decimation | |
a637a114 | 25 | * - implement read(), user mode buffers and overlay (?) |
d203a7ec RB |
26 | */ |
27 | ||
1da177e4 | 28 | #include <linux/init.h> |
d203a7ec | 29 | #include <linux/module.h> |
1da177e4 | 30 | #include <linux/delay.h> |
495515b3 | 31 | #include <linux/dma-mapping.h> |
d203a7ec RB |
32 | #include <linux/errno.h> |
33 | #include <linux/fs.h> | |
495515b3 | 34 | #include <linux/interrupt.h> |
d203a7ec RB |
35 | #include <linux/kernel.h> |
36 | #include <linux/mm.h> | |
495515b3 LM |
37 | #include <linux/time.h> |
38 | #include <linux/version.h> | |
d203a7ec | 39 | #include <linux/kmod.h> |
d203a7ec | 40 | |
1da177e4 | 41 | #include <linux/i2c.h> |
1da177e4 | 42 | |
33b687cf | 43 | #include <linux/videodev2.h> |
28959638 | 44 | #include <media/v4l2-device.h> |
c2cfcf70 | 45 | #include <media/v4l2-ioctl.h> |
3593cab5 | 46 | #include <linux/mutex.h> |
d203a7ec | 47 | |
1da177e4 LT |
48 | #include <asm/paccess.h> |
49 | #include <asm/io.h> | |
50 | #include <asm/sgi/ip22.h> | |
1da177e4 LT |
51 | #include <asm/sgi/mc.h> |
52 | ||
53 | #include "vino.h" | |
d203a7ec RB |
54 | #include "saa7191.h" |
55 | #include "indycam.h" | |
1da177e4 | 56 | |
d203a7ec RB |
57 | /* Uncomment the following line to get lots and lots of (mostly useless) |
58 | * debug info. | |
59 | * Note that the debug output also slows down the driver significantly */ | |
60 | // #define VINO_DEBUG | |
a637a114 | 61 | // #define VINO_DEBUG_INT |
d203a7ec | 62 | |
3ff4ad81 HV |
63 | #define VINO_MODULE_VERSION "0.0.6" |
64 | #define VINO_VERSION_CODE KERNEL_VERSION(0, 0, 6) | |
d203a7ec RB |
65 | |
66 | MODULE_DESCRIPTION("SGI VINO Video4Linux2 driver"); | |
67 | MODULE_VERSION(VINO_MODULE_VERSION); | |
68 | MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>"); | |
69 | MODULE_LICENSE("GPL"); | |
70 | ||
d203a7ec RB |
71 | #ifdef VINO_DEBUG |
72 | #define dprintk(x...) printk("VINO: " x); | |
1da177e4 | 73 | #else |
d203a7ec | 74 | #define dprintk(x...) |
1da177e4 LT |
75 | #endif |
76 | ||
d203a7ec RB |
77 | #define VINO_NO_CHANNEL 0 |
78 | #define VINO_CHANNEL_A 1 | |
79 | #define VINO_CHANNEL_B 2 | |
80 | ||
81 | #define VINO_PAL_WIDTH 768 | |
82 | #define VINO_PAL_HEIGHT 576 | |
83 | #define VINO_NTSC_WIDTH 640 | |
84 | #define VINO_NTSC_HEIGHT 480 | |
85 | ||
86 | #define VINO_MIN_WIDTH 32 | |
87 | #define VINO_MIN_HEIGHT 32 | |
88 | ||
89 | #define VINO_CLIPPING_START_ODD_D1 1 | |
a637a114 LM |
90 | #define VINO_CLIPPING_START_ODD_PAL 15 |
91 | #define VINO_CLIPPING_START_ODD_NTSC 12 | |
d203a7ec RB |
92 | |
93 | #define VINO_CLIPPING_START_EVEN_D1 2 | |
a637a114 LM |
94 | #define VINO_CLIPPING_START_EVEN_PAL 15 |
95 | #define VINO_CLIPPING_START_EVEN_NTSC 12 | |
d203a7ec RB |
96 | |
97 | #define VINO_INPUT_CHANNEL_COUNT 3 | |
98 | ||
a637a114 | 99 | /* the number is the index for vino_inputs */ |
d203a7ec RB |
100 | #define VINO_INPUT_NONE -1 |
101 | #define VINO_INPUT_COMPOSITE 0 | |
102 | #define VINO_INPUT_SVIDEO 1 | |
103 | #define VINO_INPUT_D1 2 | |
104 | ||
105 | #define VINO_PAGE_RATIO (PAGE_SIZE / VINO_PAGE_SIZE) | |
106 | ||
a637a114 | 107 | #define VINO_FIFO_THRESHOLD_DEFAULT 16 |
d203a7ec | 108 | |
d203a7ec RB |
109 | #define VINO_FRAMEBUFFER_SIZE ((VINO_PAL_WIDTH \ |
110 | * VINO_PAL_HEIGHT * 4 \ | |
111 | + 3 * PAGE_SIZE) & ~(PAGE_SIZE - 1)) | |
112 | ||
a637a114 | 113 | #define VINO_FRAMEBUFFER_COUNT_MAX 8 |
d203a7ec RB |
114 | |
115 | #define VINO_FRAMEBUFFER_UNUSED 0 | |
116 | #define VINO_FRAMEBUFFER_IN_USE 1 | |
117 | #define VINO_FRAMEBUFFER_READY 2 | |
118 | ||
119 | #define VINO_QUEUE_ERROR -1 | |
120 | #define VINO_QUEUE_MAGIC 0x20050125 | |
121 | ||
122 | #define VINO_MEMORY_NONE 0 | |
123 | #define VINO_MEMORY_MMAP 1 | |
124 | #define VINO_MEMORY_USERPTR 2 | |
125 | ||
126 | #define VINO_DUMMY_DESC_COUNT 4 | |
127 | #define VINO_DESC_FETCH_DELAY 5 /* microseconds */ | |
128 | ||
a637a114 LM |
129 | #define VINO_MAX_FRAME_SKIP_COUNT 128 |
130 | ||
d203a7ec RB |
131 | /* the number is the index for vino_data_formats */ |
132 | #define VINO_DATA_FMT_NONE -1 | |
133 | #define VINO_DATA_FMT_GREY 0 | |
134 | #define VINO_DATA_FMT_RGB332 1 | |
135 | #define VINO_DATA_FMT_RGB32 2 | |
136 | #define VINO_DATA_FMT_YUV 3 | |
d203a7ec RB |
137 | |
138 | #define VINO_DATA_FMT_COUNT 4 | |
139 | ||
a637a114 | 140 | /* the number is the index for vino_data_norms */ |
d203a7ec RB |
141 | #define VINO_DATA_NORM_NONE -1 |
142 | #define VINO_DATA_NORM_NTSC 0 | |
143 | #define VINO_DATA_NORM_PAL 1 | |
144 | #define VINO_DATA_NORM_SECAM 2 | |
145 | #define VINO_DATA_NORM_D1 3 | |
d203a7ec RB |
146 | |
147 | #define VINO_DATA_NORM_COUNT 4 | |
148 | ||
cea0c681 JD |
149 | /* I2C controller flags */ |
150 | #define SGI_I2C_FORCE_IDLE (0 << 0) | |
151 | #define SGI_I2C_NOT_IDLE (1 << 0) | |
152 | #define SGI_I2C_WRITE (0 << 1) | |
153 | #define SGI_I2C_READ (1 << 1) | |
154 | #define SGI_I2C_RELEASE_BUS (0 << 2) | |
155 | #define SGI_I2C_HOLD_BUS (1 << 2) | |
156 | #define SGI_I2C_XFER_DONE (0 << 4) | |
157 | #define SGI_I2C_XFER_BUSY (1 << 4) | |
158 | #define SGI_I2C_ACK (0 << 5) | |
159 | #define SGI_I2C_NACK (1 << 5) | |
160 | #define SGI_I2C_BUS_OK (0 << 7) | |
161 | #define SGI_I2C_BUS_ERR (1 << 7) | |
162 | ||
d203a7ec RB |
163 | /* Internal data structure definitions */ |
164 | ||
165 | struct vino_input { | |
166 | char *name; | |
167 | v4l2_std_id std; | |
168 | }; | |
169 | ||
170 | struct vino_clipping { | |
171 | unsigned int left, right, top, bottom; | |
172 | }; | |
173 | ||
174 | struct vino_data_format { | |
175 | /* the description */ | |
176 | char *description; | |
177 | /* bytes per pixel */ | |
178 | unsigned int bpp; | |
179 | /* V4L2 fourcc code */ | |
180 | __u32 pixelformat; | |
181 | /* V4L2 colorspace (duh!) */ | |
182 | enum v4l2_colorspace colorspace; | |
183 | }; | |
184 | ||
185 | struct vino_data_norm { | |
186 | char *description; | |
187 | unsigned int width, height; | |
188 | struct vino_clipping odd; | |
189 | struct vino_clipping even; | |
190 | ||
191 | v4l2_std_id std; | |
192 | unsigned int fps_min, fps_max; | |
193 | __u32 framelines; | |
194 | }; | |
195 | ||
196 | struct vino_descriptor_table { | |
197 | /* the number of PAGE_SIZE sized pages in the buffer */ | |
198 | unsigned int page_count; | |
199 | /* virtual (kmalloc'd) pointers to the actual data | |
200 | * (in PAGE_SIZE chunks, used with mmap streaming) */ | |
201 | unsigned long *virtual; | |
202 | ||
203 | /* cpu address for the VINO descriptor table | |
204 | * (contains DMA addresses, VINO_PAGE_SIZE chunks) */ | |
205 | unsigned long *dma_cpu; | |
206 | /* dma address for the VINO descriptor table | |
207 | * (contains DMA addresses, VINO_PAGE_SIZE chunks) */ | |
208 | dma_addr_t dma; | |
209 | }; | |
210 | ||
211 | struct vino_framebuffer { | |
212 | /* identifier nubmer */ | |
213 | unsigned int id; | |
214 | /* the length of the whole buffer */ | |
215 | unsigned int size; | |
216 | /* the length of actual data in buffer */ | |
217 | unsigned int data_size; | |
218 | /* the data format */ | |
219 | unsigned int data_format; | |
220 | /* the state of buffer data */ | |
221 | unsigned int state; | |
222 | /* is the buffer mapped in user space? */ | |
223 | unsigned int map_count; | |
224 | /* memory offset for mmap() */ | |
225 | unsigned int offset; | |
226 | /* frame counter */ | |
227 | unsigned int frame_counter; | |
228 | /* timestamp (written when image capture finishes) */ | |
229 | struct timeval timestamp; | |
230 | ||
231 | struct vino_descriptor_table desc_table; | |
232 | ||
233 | spinlock_t state_lock; | |
234 | }; | |
235 | ||
236 | struct vino_framebuffer_fifo { | |
237 | unsigned int length; | |
238 | ||
239 | unsigned int used; | |
240 | unsigned int head; | |
241 | unsigned int tail; | |
242 | ||
a637a114 | 243 | unsigned int data[VINO_FRAMEBUFFER_COUNT_MAX]; |
d203a7ec RB |
244 | }; |
245 | ||
246 | struct vino_framebuffer_queue { | |
247 | unsigned int magic; | |
248 | ||
249 | /* VINO_MEMORY_NONE, VINO_MEMORY_MMAP or VINO_MEMORY_USERPTR */ | |
250 | unsigned int type; | |
251 | unsigned int length; | |
252 | ||
253 | /* data field of in and out contain index numbers for buffer */ | |
254 | struct vino_framebuffer_fifo in; | |
255 | struct vino_framebuffer_fifo out; | |
256 | ||
a637a114 | 257 | struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX]; |
1da177e4 | 258 | |
d203a7ec | 259 | spinlock_t queue_lock; |
3593cab5 | 260 | struct mutex queue_mutex; |
d203a7ec RB |
261 | wait_queue_head_t frame_wait_queue; |
262 | }; | |
263 | ||
a637a114 LM |
264 | struct vino_interrupt_data { |
265 | struct timeval timestamp; | |
266 | unsigned int frame_counter; | |
267 | unsigned int skip_count; | |
268 | unsigned int skip; | |
269 | }; | |
270 | ||
d203a7ec RB |
271 | struct vino_channel_settings { |
272 | unsigned int channel; | |
273 | ||
274 | int input; | |
275 | unsigned int data_format; | |
276 | unsigned int data_norm; | |
277 | struct vino_clipping clipping; | |
278 | unsigned int decimation; | |
279 | unsigned int line_size; | |
280 | unsigned int alpha; | |
281 | unsigned int fps; | |
282 | unsigned int framert_reg; | |
283 | ||
284 | unsigned int fifo_threshold; | |
285 | ||
286 | struct vino_framebuffer_queue fb_queue; | |
287 | ||
288 | /* number of the current field */ | |
289 | unsigned int field; | |
290 | ||
291 | /* read in progress */ | |
292 | int reading; | |
293 | /* streaming is active */ | |
294 | int streaming; | |
295 | /* the driver is currently processing the queue */ | |
296 | int capturing; | |
297 | ||
3593cab5 | 298 | struct mutex mutex; |
d203a7ec | 299 | spinlock_t capture_lock; |
1da177e4 | 300 | |
d203a7ec | 301 | unsigned int users; |
1da177e4 | 302 | |
a637a114 LM |
303 | struct vino_interrupt_data int_data; |
304 | ||
d203a7ec | 305 | /* V4L support */ |
0ef4dbad | 306 | struct video_device *vdev; |
1da177e4 LT |
307 | }; |
308 | ||
d203a7ec | 309 | struct vino_settings { |
28959638 | 310 | struct v4l2_device v4l2_dev; |
d203a7ec RB |
311 | struct vino_channel_settings a; |
312 | struct vino_channel_settings b; | |
1da177e4 | 313 | |
48f4dacb HV |
314 | /* the channel which owns this client: |
315 | * VINO_NO_CHANNEL, VINO_CHANNEL_A or VINO_CHANNEL_B */ | |
316 | unsigned int decoder_owner; | |
317 | struct v4l2_subdev *decoder; | |
318 | unsigned int camera_owner; | |
319 | struct v4l2_subdev *camera; | |
1da177e4 | 320 | |
d203a7ec RB |
321 | /* a lock for vino register access */ |
322 | spinlock_t vino_lock; | |
323 | /* a lock for channel input changes */ | |
324 | spinlock_t input_lock; | |
1da177e4 | 325 | |
1da177e4 | 326 | unsigned long dummy_page; |
d203a7ec RB |
327 | struct vino_descriptor_table dummy_desc_table; |
328 | }; | |
329 | ||
330 | /* Module parameters */ | |
331 | ||
332 | /* | |
a637a114 | 333 | * Using vino_pixel_conversion the ABGR32-format pixels supplied |
d203a7ec RB |
334 | * by the VINO chip can be converted to more common formats |
335 | * like RGBA32 (or probably RGB24 in the future). This way we | |
336 | * can give out data that can be specified correctly with | |
337 | * the V4L2-definitions. | |
338 | * | |
339 | * The pixel format is specified as RGBA32 when no conversion | |
340 | * is used. | |
341 | * | |
342 | * Note that this only affects the 32-bit bit depth. | |
343 | * | |
344 | * Use non-zero value to enable conversion. | |
345 | */ | |
ff699e6b | 346 | static int vino_pixel_conversion; |
a637a114 | 347 | |
d203a7ec | 348 | module_param_named(pixelconv, vino_pixel_conversion, int, 0); |
a637a114 | 349 | |
d203a7ec RB |
350 | MODULE_PARM_DESC(pixelconv, |
351 | "enable pixel conversion (non-zero value enables)"); | |
352 | ||
353 | /* Internal data structures */ | |
354 | ||
355 | static struct sgi_vino *vino; | |
356 | ||
357 | static struct vino_settings *vino_drvdata; | |
358 | ||
48f4dacb HV |
359 | #define camera_call(o, f, args...) \ |
360 | v4l2_subdev_call(vino_drvdata->camera, o, f, ##args) | |
361 | #define decoder_call(o, f, args...) \ | |
362 | v4l2_subdev_call(vino_drvdata->decoder, o, f, ##args) | |
363 | ||
d203a7ec RB |
364 | static const char *vino_driver_name = "vino"; |
365 | static const char *vino_driver_description = "SGI VINO"; | |
366 | static const char *vino_bus_name = "GIO64 bus"; | |
0ef4dbad HV |
367 | static const char *vino_vdev_name_a = "SGI VINO Channel A"; |
368 | static const char *vino_vdev_name_b = "SGI VINO Channel B"; | |
d203a7ec | 369 | |
a637a114 LM |
370 | static void vino_capture_tasklet(unsigned long channel); |
371 | ||
372 | DECLARE_TASKLET(vino_tasklet_a, vino_capture_tasklet, VINO_CHANNEL_A); | |
373 | DECLARE_TASKLET(vino_tasklet_b, vino_capture_tasklet, VINO_CHANNEL_B); | |
374 | ||
d203a7ec RB |
375 | static const struct vino_input vino_inputs[] = { |
376 | { | |
377 | .name = "Composite", | |
a637a114 LM |
378 | .std = V4L2_STD_NTSC | V4L2_STD_PAL |
379 | | V4L2_STD_SECAM, | |
cf4e9484 | 380 | }, { |
d203a7ec | 381 | .name = "S-Video", |
a637a114 LM |
382 | .std = V4L2_STD_NTSC | V4L2_STD_PAL |
383 | | V4L2_STD_SECAM, | |
cf4e9484 | 384 | }, { |
a637a114 | 385 | .name = "D1/IndyCam", |
d203a7ec RB |
386 | .std = V4L2_STD_NTSC, |
387 | } | |
388 | }; | |
389 | ||
390 | static const struct vino_data_format vino_data_formats[] = { | |
391 | { | |
392 | .description = "8-bit greyscale", | |
393 | .bpp = 1, | |
394 | .pixelformat = V4L2_PIX_FMT_GREY, | |
395 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
cf4e9484 | 396 | }, { |
d203a7ec RB |
397 | .description = "8-bit dithered RGB 3-3-2", |
398 | .bpp = 1, | |
399 | .pixelformat = V4L2_PIX_FMT_RGB332, | |
400 | .colorspace = V4L2_COLORSPACE_SRGB, | |
cf4e9484 | 401 | }, { |
d203a7ec RB |
402 | .description = "32-bit RGB", |
403 | .bpp = 4, | |
404 | .pixelformat = V4L2_PIX_FMT_RGB32, | |
405 | .colorspace = V4L2_COLORSPACE_SRGB, | |
cf4e9484 | 406 | }, { |
d203a7ec | 407 | .description = "YUV 4:2:2", |
a637a114 | 408 | .bpp = 2, |
d203a7ec RB |
409 | .pixelformat = V4L2_PIX_FMT_YUYV, // XXX: swapped? |
410 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
a637a114 | 411 | } |
d203a7ec RB |
412 | }; |
413 | ||
414 | static const struct vino_data_norm vino_data_norms[] = { | |
415 | { | |
416 | .description = "NTSC", | |
417 | .std = V4L2_STD_NTSC, | |
418 | .fps_min = 6, | |
419 | .fps_max = 30, | |
420 | .framelines = 525, | |
421 | .width = VINO_NTSC_WIDTH, | |
422 | .height = VINO_NTSC_HEIGHT, | |
423 | .odd = { | |
a637a114 LM |
424 | .top = VINO_CLIPPING_START_ODD_NTSC, |
425 | .left = 0, | |
d203a7ec RB |
426 | .bottom = VINO_CLIPPING_START_ODD_NTSC |
427 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 428 | .right = VINO_NTSC_WIDTH, |
d203a7ec RB |
429 | }, |
430 | .even = { | |
a637a114 LM |
431 | .top = VINO_CLIPPING_START_EVEN_NTSC, |
432 | .left = 0, | |
d203a7ec RB |
433 | .bottom = VINO_CLIPPING_START_EVEN_NTSC |
434 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 435 | .right = VINO_NTSC_WIDTH, |
d203a7ec | 436 | }, |
cf4e9484 | 437 | }, { |
d203a7ec RB |
438 | .description = "PAL", |
439 | .std = V4L2_STD_PAL, | |
440 | .fps_min = 5, | |
441 | .fps_max = 25, | |
442 | .framelines = 625, | |
443 | .width = VINO_PAL_WIDTH, | |
444 | .height = VINO_PAL_HEIGHT, | |
445 | .odd = { | |
a637a114 LM |
446 | .top = VINO_CLIPPING_START_ODD_PAL, |
447 | .left = 0, | |
d203a7ec RB |
448 | .bottom = VINO_CLIPPING_START_ODD_PAL |
449 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 450 | .right = VINO_PAL_WIDTH, |
d203a7ec RB |
451 | }, |
452 | .even = { | |
a637a114 LM |
453 | .top = VINO_CLIPPING_START_EVEN_PAL, |
454 | .left = 0, | |
d203a7ec RB |
455 | .bottom = VINO_CLIPPING_START_EVEN_PAL |
456 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 457 | .right = VINO_PAL_WIDTH, |
d203a7ec | 458 | }, |
cf4e9484 | 459 | }, { |
d203a7ec RB |
460 | .description = "SECAM", |
461 | .std = V4L2_STD_SECAM, | |
462 | .fps_min = 5, | |
463 | .fps_max = 25, | |
464 | .framelines = 625, | |
465 | .width = VINO_PAL_WIDTH, | |
466 | .height = VINO_PAL_HEIGHT, | |
467 | .odd = { | |
a637a114 LM |
468 | .top = VINO_CLIPPING_START_ODD_PAL, |
469 | .left = 0, | |
d203a7ec RB |
470 | .bottom = VINO_CLIPPING_START_ODD_PAL |
471 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 472 | .right = VINO_PAL_WIDTH, |
d203a7ec RB |
473 | }, |
474 | .even = { | |
a637a114 LM |
475 | .top = VINO_CLIPPING_START_EVEN_PAL, |
476 | .left = 0, | |
d203a7ec RB |
477 | .bottom = VINO_CLIPPING_START_EVEN_PAL |
478 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 479 | .right = VINO_PAL_WIDTH, |
d203a7ec | 480 | }, |
cf4e9484 | 481 | }, { |
a637a114 | 482 | .description = "NTSC/D1", |
d203a7ec RB |
483 | .std = V4L2_STD_NTSC, |
484 | .fps_min = 6, | |
485 | .fps_max = 30, | |
486 | .framelines = 525, | |
487 | .width = VINO_NTSC_WIDTH, | |
488 | .height = VINO_NTSC_HEIGHT, | |
489 | .odd = { | |
a637a114 LM |
490 | .top = VINO_CLIPPING_START_ODD_D1, |
491 | .left = 0, | |
d203a7ec RB |
492 | .bottom = VINO_CLIPPING_START_ODD_D1 |
493 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 494 | .right = VINO_NTSC_WIDTH, |
d203a7ec RB |
495 | }, |
496 | .even = { | |
a637a114 LM |
497 | .top = VINO_CLIPPING_START_EVEN_D1, |
498 | .left = 0, | |
d203a7ec RB |
499 | .bottom = VINO_CLIPPING_START_EVEN_D1 |
500 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 501 | .right = VINO_NTSC_WIDTH, |
d203a7ec RB |
502 | }, |
503 | } | |
504 | }; | |
505 | ||
506 | #define VINO_INDYCAM_V4L2_CONTROL_COUNT 9 | |
507 | ||
508 | struct v4l2_queryctrl vino_indycam_v4l2_controls[] = { | |
509 | { | |
510 | .id = V4L2_CID_AUTOGAIN, | |
511 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
512 | .name = "Automatic Gain Control", | |
513 | .minimum = 0, | |
514 | .maximum = 1, | |
515 | .step = 1, | |
516 | .default_value = INDYCAM_AGC_DEFAULT, | |
cf4e9484 | 517 | }, { |
d203a7ec RB |
518 | .id = V4L2_CID_AUTO_WHITE_BALANCE, |
519 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
520 | .name = "Automatic White Balance", | |
521 | .minimum = 0, | |
522 | .maximum = 1, | |
523 | .step = 1, | |
524 | .default_value = INDYCAM_AWB_DEFAULT, | |
cf4e9484 | 525 | }, { |
d203a7ec RB |
526 | .id = V4L2_CID_GAIN, |
527 | .type = V4L2_CTRL_TYPE_INTEGER, | |
528 | .name = "Gain", | |
529 | .minimum = INDYCAM_GAIN_MIN, | |
530 | .maximum = INDYCAM_GAIN_MAX, | |
531 | .step = 1, | |
532 | .default_value = INDYCAM_GAIN_DEFAULT, | |
cf4e9484 HV |
533 | }, { |
534 | .id = INDYCAM_CONTROL_RED_SATURATION, | |
d203a7ec RB |
535 | .type = V4L2_CTRL_TYPE_INTEGER, |
536 | .name = "Red Saturation", | |
537 | .minimum = INDYCAM_RED_SATURATION_MIN, | |
538 | .maximum = INDYCAM_RED_SATURATION_MAX, | |
539 | .step = 1, | |
540 | .default_value = INDYCAM_RED_SATURATION_DEFAULT, | |
cf4e9484 HV |
541 | }, { |
542 | .id = INDYCAM_CONTROL_BLUE_SATURATION, | |
d203a7ec RB |
543 | .type = V4L2_CTRL_TYPE_INTEGER, |
544 | .name = "Blue Saturation", | |
545 | .minimum = INDYCAM_BLUE_SATURATION_MIN, | |
546 | .maximum = INDYCAM_BLUE_SATURATION_MAX, | |
547 | .step = 1, | |
548 | .default_value = INDYCAM_BLUE_SATURATION_DEFAULT, | |
cf4e9484 | 549 | }, { |
d203a7ec RB |
550 | .id = V4L2_CID_RED_BALANCE, |
551 | .type = V4L2_CTRL_TYPE_INTEGER, | |
552 | .name = "Red Balance", | |
553 | .minimum = INDYCAM_RED_BALANCE_MIN, | |
554 | .maximum = INDYCAM_RED_BALANCE_MAX, | |
555 | .step = 1, | |
556 | .default_value = INDYCAM_RED_BALANCE_DEFAULT, | |
cf4e9484 | 557 | }, { |
d203a7ec RB |
558 | .id = V4L2_CID_BLUE_BALANCE, |
559 | .type = V4L2_CTRL_TYPE_INTEGER, | |
560 | .name = "Blue Balance", | |
561 | .minimum = INDYCAM_BLUE_BALANCE_MIN, | |
562 | .maximum = INDYCAM_BLUE_BALANCE_MAX, | |
563 | .step = 1, | |
564 | .default_value = INDYCAM_BLUE_BALANCE_DEFAULT, | |
cf4e9484 | 565 | }, { |
d203a7ec RB |
566 | .id = V4L2_CID_EXPOSURE, |
567 | .type = V4L2_CTRL_TYPE_INTEGER, | |
568 | .name = "Shutter Control", | |
569 | .minimum = INDYCAM_SHUTTER_MIN, | |
570 | .maximum = INDYCAM_SHUTTER_MAX, | |
571 | .step = 1, | |
572 | .default_value = INDYCAM_SHUTTER_DEFAULT, | |
cf4e9484 | 573 | }, { |
d203a7ec RB |
574 | .id = V4L2_CID_GAMMA, |
575 | .type = V4L2_CTRL_TYPE_INTEGER, | |
576 | .name = "Gamma", | |
577 | .minimum = INDYCAM_GAMMA_MIN, | |
578 | .maximum = INDYCAM_GAMMA_MAX, | |
579 | .step = 1, | |
580 | .default_value = INDYCAM_GAMMA_DEFAULT, | |
d203a7ec RB |
581 | } |
582 | }; | |
583 | ||
a637a114 | 584 | #define VINO_SAA7191_V4L2_CONTROL_COUNT 9 |
d203a7ec RB |
585 | |
586 | struct v4l2_queryctrl vino_saa7191_v4l2_controls[] = { | |
587 | { | |
588 | .id = V4L2_CID_HUE, | |
589 | .type = V4L2_CTRL_TYPE_INTEGER, | |
590 | .name = "Hue", | |
591 | .minimum = SAA7191_HUE_MIN, | |
592 | .maximum = SAA7191_HUE_MAX, | |
593 | .step = 1, | |
594 | .default_value = SAA7191_HUE_DEFAULT, | |
cf4e9484 HV |
595 | }, { |
596 | .id = SAA7191_CONTROL_BANDPASS, | |
a637a114 LM |
597 | .type = V4L2_CTRL_TYPE_INTEGER, |
598 | .name = "Luminance Bandpass", | |
599 | .minimum = SAA7191_BANDPASS_MIN, | |
600 | .maximum = SAA7191_BANDPASS_MAX, | |
601 | .step = 1, | |
602 | .default_value = SAA7191_BANDPASS_DEFAULT, | |
cf4e9484 HV |
603 | }, { |
604 | .id = SAA7191_CONTROL_BANDPASS_WEIGHT, | |
a637a114 LM |
605 | .type = V4L2_CTRL_TYPE_INTEGER, |
606 | .name = "Luminance Bandpass Weight", | |
607 | .minimum = SAA7191_BANDPASS_WEIGHT_MIN, | |
608 | .maximum = SAA7191_BANDPASS_WEIGHT_MAX, | |
609 | .step = 1, | |
610 | .default_value = SAA7191_BANDPASS_WEIGHT_DEFAULT, | |
cf4e9484 HV |
611 | }, { |
612 | .id = SAA7191_CONTROL_CORING, | |
a637a114 LM |
613 | .type = V4L2_CTRL_TYPE_INTEGER, |
614 | .name = "HF Luminance Coring", | |
615 | .minimum = SAA7191_CORING_MIN, | |
616 | .maximum = SAA7191_CORING_MAX, | |
617 | .step = 1, | |
618 | .default_value = SAA7191_CORING_DEFAULT, | |
cf4e9484 HV |
619 | }, { |
620 | .id = SAA7191_CONTROL_FORCE_COLOUR, | |
a637a114 LM |
621 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
622 | .name = "Force Colour", | |
623 | .minimum = SAA7191_FORCE_COLOUR_MIN, | |
624 | .maximum = SAA7191_FORCE_COLOUR_MAX, | |
625 | .step = 1, | |
626 | .default_value = SAA7191_FORCE_COLOUR_DEFAULT, | |
cf4e9484 HV |
627 | }, { |
628 | .id = SAA7191_CONTROL_CHROMA_GAIN, | |
a637a114 LM |
629 | .type = V4L2_CTRL_TYPE_INTEGER, |
630 | .name = "Chrominance Gain Control", | |
631 | .minimum = SAA7191_CHROMA_GAIN_MIN, | |
632 | .maximum = SAA7191_CHROMA_GAIN_MAX, | |
633 | .step = 1, | |
634 | .default_value = SAA7191_CHROMA_GAIN_DEFAULT, | |
cf4e9484 HV |
635 | }, { |
636 | .id = SAA7191_CONTROL_VTRC, | |
d203a7ec RB |
637 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
638 | .name = "VTR Time Constant", | |
639 | .minimum = SAA7191_VTRC_MIN, | |
640 | .maximum = SAA7191_VTRC_MAX, | |
641 | .step = 1, | |
642 | .default_value = SAA7191_VTRC_DEFAULT, | |
cf4e9484 HV |
643 | }, { |
644 | .id = SAA7191_CONTROL_LUMA_DELAY, | |
a637a114 LM |
645 | .type = V4L2_CTRL_TYPE_INTEGER, |
646 | .name = "Luminance Delay Compensation", | |
647 | .minimum = SAA7191_LUMA_DELAY_MIN, | |
648 | .maximum = SAA7191_LUMA_DELAY_MAX, | |
649 | .step = 1, | |
650 | .default_value = SAA7191_LUMA_DELAY_DEFAULT, | |
cf4e9484 HV |
651 | }, { |
652 | .id = SAA7191_CONTROL_VNR, | |
a637a114 LM |
653 | .type = V4L2_CTRL_TYPE_INTEGER, |
654 | .name = "Vertical Noise Reduction", | |
655 | .minimum = SAA7191_VNR_MIN, | |
656 | .maximum = SAA7191_VNR_MAX, | |
657 | .step = 1, | |
658 | .default_value = SAA7191_VNR_DEFAULT, | |
d203a7ec | 659 | } |
1da177e4 LT |
660 | }; |
661 | ||
d203a7ec RB |
662 | /* VINO framebuffer/DMA descriptor management */ |
663 | ||
664 | static void vino_free_buffer_with_count(struct vino_framebuffer *fb, | |
665 | unsigned int count) | |
1da177e4 | 666 | { |
d203a7ec | 667 | unsigned int i; |
1da177e4 | 668 | |
d203a7ec RB |
669 | dprintk("vino_free_buffer_with_count(): count = %d\n", count); |
670 | ||
671 | for (i = 0; i < count; i++) { | |
eda9e4e2 | 672 | ClearPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
d203a7ec RB |
673 | dma_unmap_single(NULL, |
674 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], | |
675 | PAGE_SIZE, DMA_FROM_DEVICE); | |
676 | free_page(fb->desc_table.virtual[i]); | |
677 | } | |
678 | ||
679 | dma_free_coherent(NULL, | |
680 | VINO_PAGE_RATIO * (fb->desc_table.page_count + 4) * | |
681 | sizeof(dma_addr_t), (void *)fb->desc_table.dma_cpu, | |
682 | fb->desc_table.dma); | |
683 | kfree(fb->desc_table.virtual); | |
684 | ||
685 | memset(fb, 0, sizeof(struct vino_framebuffer)); | |
686 | } | |
687 | ||
688 | static void vino_free_buffer(struct vino_framebuffer *fb) | |
689 | { | |
690 | vino_free_buffer_with_count(fb, fb->desc_table.page_count); | |
1da177e4 LT |
691 | } |
692 | ||
d203a7ec RB |
693 | static int vino_allocate_buffer(struct vino_framebuffer *fb, |
694 | unsigned int size) | |
1da177e4 | 695 | { |
d203a7ec RB |
696 | unsigned int count, i, j; |
697 | int ret = 0; | |
698 | ||
699 | dprintk("vino_allocate_buffer():\n"); | |
700 | ||
701 | if (size < 1) | |
702 | return -EINVAL; | |
703 | ||
704 | memset(fb, 0, sizeof(struct vino_framebuffer)); | |
705 | ||
706 | count = ((size / PAGE_SIZE) + 4) & ~3; | |
707 | ||
708 | dprintk("vino_allocate_buffer(): size = %d, count = %d\n", | |
709 | size, count); | |
710 | ||
711 | /* allocate memory for table with virtual (page) addresses */ | |
712 | fb->desc_table.virtual = (unsigned long *) | |
713 | kmalloc(count * sizeof(unsigned long), GFP_KERNEL); | |
714 | if (!fb->desc_table.virtual) | |
715 | return -ENOMEM; | |
716 | ||
717 | /* allocate memory for table with dma addresses | |
718 | * (has space for four extra descriptors) */ | |
719 | fb->desc_table.dma_cpu = | |
720 | dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) * | |
721 | sizeof(dma_addr_t), &fb->desc_table.dma, | |
722 | GFP_KERNEL | GFP_DMA); | |
723 | if (!fb->desc_table.dma_cpu) { | |
724 | ret = -ENOMEM; | |
725 | goto out_free_virtual; | |
726 | } | |
727 | ||
728 | /* allocate pages for the buffer and acquire the according | |
729 | * dma addresses */ | |
730 | for (i = 0; i < count; i++) { | |
731 | dma_addr_t dma_data_addr; | |
732 | ||
733 | fb->desc_table.virtual[i] = | |
734 | get_zeroed_page(GFP_KERNEL | GFP_DMA); | |
735 | if (!fb->desc_table.virtual[i]) { | |
736 | ret = -ENOBUFS; | |
737 | break; | |
738 | } | |
739 | ||
740 | dma_data_addr = | |
741 | dma_map_single(NULL, | |
742 | (void *)fb->desc_table.virtual[i], | |
743 | PAGE_SIZE, DMA_FROM_DEVICE); | |
744 | ||
745 | for (j = 0; j < VINO_PAGE_RATIO; j++) { | |
746 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] = | |
747 | dma_data_addr + VINO_PAGE_SIZE * j; | |
748 | } | |
749 | ||
eda9e4e2 | 750 | SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
d203a7ec RB |
751 | } |
752 | ||
753 | /* page_count needs to be set anyway, because the descriptor table has | |
754 | * been allocated according to this number */ | |
755 | fb->desc_table.page_count = count; | |
756 | ||
757 | if (ret) { | |
758 | /* the descriptor with index i doesn't contain | |
759 | * a valid address yet */ | |
760 | vino_free_buffer_with_count(fb, i); | |
761 | return ret; | |
762 | } | |
763 | ||
764 | //fb->size = size; | |
765 | fb->size = count * PAGE_SIZE; | |
766 | fb->data_format = VINO_DATA_FMT_NONE; | |
767 | ||
768 | /* set the dma stop-bit for the last (count+1)th descriptor */ | |
769 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP; | |
770 | return 0; | |
771 | ||
772 | out_free_virtual: | |
773 | kfree(fb->desc_table.virtual); | |
774 | return ret; | |
1da177e4 LT |
775 | } |
776 | ||
d203a7ec RB |
777 | #if 0 |
778 | /* user buffers not fully implemented yet */ | |
779 | static int vino_prepare_user_buffer(struct vino_framebuffer *fb, | |
780 | void *user, | |
781 | unsigned int size) | |
1da177e4 | 782 | { |
d203a7ec RB |
783 | unsigned int count, i, j; |
784 | int ret = 0; | |
785 | ||
786 | dprintk("vino_prepare_user_buffer():\n"); | |
787 | ||
788 | if (size < 1) | |
789 | return -EINVAL; | |
790 | ||
791 | memset(fb, 0, sizeof(struct vino_framebuffer)); | |
792 | ||
793 | count = ((size / PAGE_SIZE)) & ~3; | |
794 | ||
795 | dprintk("vino_prepare_user_buffer(): size = %d, count = %d\n", | |
796 | size, count); | |
797 | ||
798 | /* allocate memory for table with virtual (page) addresses */ | |
799 | fb->desc_table.virtual = (unsigned long *) | |
800 | kmalloc(count * sizeof(unsigned long), GFP_KERNEL); | |
801 | if (!fb->desc_table.virtual) | |
802 | return -ENOMEM; | |
803 | ||
804 | /* allocate memory for table with dma addresses | |
805 | * (has space for four extra descriptors) */ | |
806 | fb->desc_table.dma_cpu = | |
807 | dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) * | |
808 | sizeof(dma_addr_t), &fb->desc_table.dma, | |
809 | GFP_KERNEL | GFP_DMA); | |
810 | if (!fb->desc_table.dma_cpu) { | |
811 | ret = -ENOMEM; | |
812 | goto out_free_virtual; | |
813 | } | |
814 | ||
815 | /* allocate pages for the buffer and acquire the according | |
816 | * dma addresses */ | |
817 | for (i = 0; i < count; i++) { | |
818 | dma_addr_t dma_data_addr; | |
819 | ||
820 | fb->desc_table.virtual[i] = | |
821 | get_zeroed_page(GFP_KERNEL | GFP_DMA); | |
822 | if (!fb->desc_table.virtual[i]) { | |
823 | ret = -ENOBUFS; | |
824 | break; | |
825 | } | |
826 | ||
827 | dma_data_addr = | |
828 | dma_map_single(NULL, | |
829 | (void *)fb->desc_table.virtual[i], | |
830 | PAGE_SIZE, DMA_FROM_DEVICE); | |
831 | ||
832 | for (j = 0; j < VINO_PAGE_RATIO; j++) { | |
833 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] = | |
834 | dma_data_addr + VINO_PAGE_SIZE * j; | |
835 | } | |
836 | ||
eda9e4e2 | 837 | SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
d203a7ec | 838 | } |
1da177e4 | 839 | |
d203a7ec RB |
840 | /* page_count needs to be set anyway, because the descriptor table has |
841 | * been allocated according to this number */ | |
842 | fb->desc_table.page_count = count; | |
843 | ||
844 | if (ret) { | |
845 | /* the descriptor with index i doesn't contain | |
846 | * a valid address yet */ | |
847 | vino_free_buffer_with_count(fb, i); | |
848 | return ret; | |
849 | } | |
850 | ||
851 | //fb->size = size; | |
852 | fb->size = count * PAGE_SIZE; | |
853 | ||
854 | /* set the dma stop-bit for the last (count+1)th descriptor */ | |
855 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP; | |
856 | return 0; | |
857 | ||
858 | out_free_virtual: | |
859 | kfree(fb->desc_table.virtual); | |
860 | return ret; | |
1da177e4 | 861 | } |
d203a7ec | 862 | #endif |
1da177e4 | 863 | |
d203a7ec | 864 | static void vino_sync_buffer(struct vino_framebuffer *fb) |
1da177e4 | 865 | { |
d203a7ec RB |
866 | int i; |
867 | ||
868 | dprintk("vino_sync_buffer():\n"); | |
1da177e4 | 869 | |
d203a7ec | 870 | for (i = 0; i < fb->desc_table.page_count; i++) |
028bbfed FT |
871 | dma_sync_single_for_cpu(NULL, |
872 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], | |
873 | PAGE_SIZE, DMA_FROM_DEVICE); | |
1da177e4 LT |
874 | } |
875 | ||
d203a7ec | 876 | /* Framebuffer fifo functions (need to be locked externally) */ |
1da177e4 | 877 | |
a637a114 | 878 | static inline void vino_fifo_init(struct vino_framebuffer_fifo *f, |
d203a7ec | 879 | unsigned int length) |
1da177e4 | 880 | { |
d203a7ec RB |
881 | f->length = 0; |
882 | f->used = 0; | |
883 | f->head = 0; | |
884 | f->tail = 0; | |
1da177e4 | 885 | |
a637a114 LM |
886 | if (length > VINO_FRAMEBUFFER_COUNT_MAX) |
887 | length = VINO_FRAMEBUFFER_COUNT_MAX; | |
1da177e4 | 888 | |
d203a7ec RB |
889 | f->length = length; |
890 | } | |
891 | ||
892 | /* returns true/false */ | |
a637a114 LM |
893 | static inline int vino_fifo_has_id(struct vino_framebuffer_fifo *f, |
894 | unsigned int id) | |
d203a7ec RB |
895 | { |
896 | unsigned int i; | |
a637a114 | 897 | |
d203a7ec RB |
898 | for (i = f->head; i == (f->tail - 1); i = (i + 1) % f->length) { |
899 | if (f->data[i] == id) | |
900 | return 1; | |
1da177e4 LT |
901 | } |
902 | ||
d203a7ec RB |
903 | return 0; |
904 | } | |
1da177e4 | 905 | |
a637a114 | 906 | #if 0 |
d203a7ec | 907 | /* returns true/false */ |
a637a114 | 908 | static inline int vino_fifo_full(struct vino_framebuffer_fifo *f) |
d203a7ec RB |
909 | { |
910 | return (f->used == f->length); | |
911 | } | |
a637a114 | 912 | #endif |
d203a7ec | 913 | |
a637a114 | 914 | static inline unsigned int vino_fifo_get_used(struct vino_framebuffer_fifo *f) |
d203a7ec RB |
915 | { |
916 | return f->used; | |
917 | } | |
918 | ||
919 | static int vino_fifo_enqueue(struct vino_framebuffer_fifo *f, unsigned int id) | |
920 | { | |
921 | if (id >= f->length) { | |
922 | return VINO_QUEUE_ERROR; | |
1da177e4 | 923 | } |
d203a7ec RB |
924 | |
925 | if (vino_fifo_has_id(f, id)) { | |
926 | return VINO_QUEUE_ERROR; | |
1da177e4 | 927 | } |
1da177e4 | 928 | |
d203a7ec RB |
929 | if (f->used < f->length) { |
930 | f->data[f->tail] = id; | |
931 | f->tail = (f->tail + 1) % f->length; | |
932 | f->used++; | |
933 | } else { | |
934 | return VINO_QUEUE_ERROR; | |
1da177e4 LT |
935 | } |
936 | ||
d203a7ec RB |
937 | return 0; |
938 | } | |
939 | ||
940 | static int vino_fifo_peek(struct vino_framebuffer_fifo *f, unsigned int *id) | |
941 | { | |
942 | if (f->used > 0) { | |
943 | *id = f->data[f->head]; | |
944 | } else { | |
945 | return VINO_QUEUE_ERROR; | |
1da177e4 | 946 | } |
1da177e4 | 947 | |
d203a7ec RB |
948 | return 0; |
949 | } | |
950 | ||
951 | static int vino_fifo_dequeue(struct vino_framebuffer_fifo *f, unsigned int *id) | |
952 | { | |
953 | if (f->used > 0) { | |
954 | *id = f->data[f->head]; | |
955 | f->head = (f->head + 1) % f->length; | |
956 | f->used--; | |
957 | } else { | |
958 | return VINO_QUEUE_ERROR; | |
959 | } | |
960 | ||
961 | return 0; | |
962 | } | |
1da177e4 | 963 | |
d203a7ec | 964 | /* Framebuffer queue functions */ |
1da177e4 | 965 | |
d203a7ec RB |
966 | /* execute with queue_lock locked */ |
967 | static void vino_queue_free_with_count(struct vino_framebuffer_queue *q, | |
968 | unsigned int length) | |
969 | { | |
970 | unsigned int i; | |
971 | ||
972 | q->length = 0; | |
973 | memset(&q->in, 0, sizeof(struct vino_framebuffer_fifo)); | |
974 | memset(&q->out, 0, sizeof(struct vino_framebuffer_fifo)); | |
975 | for (i = 0; i < length; i++) { | |
976 | dprintk("vino_queue_free_with_count(): freeing buffer %d\n", | |
977 | i); | |
978 | vino_free_buffer(q->buffer[i]); | |
979 | kfree(q->buffer[i]); | |
1da177e4 LT |
980 | } |
981 | ||
d203a7ec RB |
982 | q->type = VINO_MEMORY_NONE; |
983 | q->magic = 0; | |
984 | } | |
985 | ||
986 | static void vino_queue_free(struct vino_framebuffer_queue *q) | |
987 | { | |
988 | dprintk("vino_queue_free():\n"); | |
989 | ||
990 | if (q->magic != VINO_QUEUE_MAGIC) | |
991 | return; | |
992 | if (q->type != VINO_MEMORY_MMAP) | |
993 | return; | |
994 | ||
3593cab5 | 995 | mutex_lock(&q->queue_mutex); |
d203a7ec RB |
996 | |
997 | vino_queue_free_with_count(q, q->length); | |
998 | ||
3593cab5 | 999 | mutex_unlock(&q->queue_mutex); |
d203a7ec RB |
1000 | } |
1001 | ||
1002 | static int vino_queue_init(struct vino_framebuffer_queue *q, | |
1003 | unsigned int *length) | |
1004 | { | |
1005 | unsigned int i; | |
1006 | int ret = 0; | |
1007 | ||
1008 | dprintk("vino_queue_init(): length = %d\n", *length); | |
1009 | ||
1010 | if (q->magic == VINO_QUEUE_MAGIC) { | |
1011 | dprintk("vino_queue_init(): queue already initialized!\n"); | |
1012 | return -EINVAL; | |
1da177e4 LT |
1013 | } |
1014 | ||
d203a7ec RB |
1015 | if (q->type != VINO_MEMORY_NONE) { |
1016 | dprintk("vino_queue_init(): queue already initialized!\n"); | |
1017 | return -EINVAL; | |
1da177e4 | 1018 | } |
d203a7ec RB |
1019 | |
1020 | if (*length < 1) | |
1021 | return -EINVAL; | |
1022 | ||
3593cab5 | 1023 | mutex_lock(&q->queue_mutex); |
d203a7ec | 1024 | |
a637a114 LM |
1025 | if (*length > VINO_FRAMEBUFFER_COUNT_MAX) |
1026 | *length = VINO_FRAMEBUFFER_COUNT_MAX; | |
d203a7ec RB |
1027 | |
1028 | q->length = 0; | |
1029 | ||
1030 | for (i = 0; i < *length; i++) { | |
1031 | dprintk("vino_queue_init(): allocating buffer %d\n", i); | |
1032 | q->buffer[i] = kmalloc(sizeof(struct vino_framebuffer), | |
1033 | GFP_KERNEL); | |
1034 | if (!q->buffer[i]) { | |
1035 | dprintk("vino_queue_init(): kmalloc() failed\n"); | |
1036 | ret = -ENOMEM; | |
1037 | break; | |
1038 | } | |
1039 | ||
1040 | ret = vino_allocate_buffer(q->buffer[i], | |
1041 | VINO_FRAMEBUFFER_SIZE); | |
1042 | if (ret) { | |
1043 | kfree(q->buffer[i]); | |
1044 | dprintk("vino_queue_init(): " | |
1045 | "vino_allocate_buffer() failed\n"); | |
1046 | break; | |
1047 | } | |
1048 | ||
1049 | q->buffer[i]->id = i; | |
1050 | if (i > 0) { | |
1051 | q->buffer[i]->offset = q->buffer[i - 1]->offset + | |
1052 | q->buffer[i - 1]->size; | |
1053 | } else { | |
1054 | q->buffer[i]->offset = 0; | |
1055 | } | |
1056 | ||
1057 | spin_lock_init(&q->buffer[i]->state_lock); | |
1058 | ||
1059 | dprintk("vino_queue_init(): buffer = %d, offset = %d, " | |
1060 | "size = %d\n", i, q->buffer[i]->offset, | |
1061 | q->buffer[i]->size); | |
1da177e4 LT |
1062 | } |
1063 | ||
d203a7ec RB |
1064 | if (ret) { |
1065 | vino_queue_free_with_count(q, i); | |
1066 | *length = 0; | |
1067 | } else { | |
1068 | q->length = *length; | |
1069 | vino_fifo_init(&q->in, q->length); | |
1070 | vino_fifo_init(&q->out, q->length); | |
1071 | q->type = VINO_MEMORY_MMAP; | |
1072 | q->magic = VINO_QUEUE_MAGIC; | |
1073 | } | |
1da177e4 | 1074 | |
3593cab5 | 1075 | mutex_unlock(&q->queue_mutex); |
1da177e4 LT |
1076 | |
1077 | return ret; | |
1078 | } | |
1079 | ||
d203a7ec RB |
1080 | static struct vino_framebuffer *vino_queue_add(struct |
1081 | vino_framebuffer_queue *q, | |
1082 | unsigned int id) | |
1da177e4 | 1083 | { |
d203a7ec RB |
1084 | struct vino_framebuffer *ret = NULL; |
1085 | unsigned int total; | |
1086 | unsigned long flags; | |
1087 | ||
1088 | dprintk("vino_queue_add(): id = %d\n", id); | |
1089 | ||
1090 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1091 | return ret; | |
1092 | } | |
1093 | ||
1094 | spin_lock_irqsave(&q->queue_lock, flags); | |
1095 | ||
1096 | if (q->length == 0) | |
1097 | goto out; | |
1098 | ||
1099 | if (id >= q->length) | |
1100 | goto out; | |
1101 | ||
1102 | /* not needed?: if (vino_fifo_full(&q->out)) { | |
1103 | goto out; | |
1104 | }*/ | |
1105 | /* check that outgoing queue isn't already full | |
1106 | * (or that it won't become full) */ | |
1107 | total = vino_fifo_get_used(&q->in) + | |
1108 | vino_fifo_get_used(&q->out); | |
1109 | if (total >= q->length) | |
1110 | goto out; | |
1111 | ||
1112 | if (vino_fifo_enqueue(&q->in, id)) | |
1113 | goto out; | |
1114 | ||
1115 | ret = q->buffer[id]; | |
1116 | ||
1117 | out: | |
1118 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1119 | ||
1120 | return ret; | |
1da177e4 LT |
1121 | } |
1122 | ||
d203a7ec RB |
1123 | static struct vino_framebuffer *vino_queue_transfer(struct |
1124 | vino_framebuffer_queue *q) | |
1125 | { | |
1126 | struct vino_framebuffer *ret = NULL; | |
1127 | struct vino_framebuffer *fb; | |
1128 | int id; | |
1129 | unsigned long flags; | |
1da177e4 | 1130 | |
d203a7ec RB |
1131 | dprintk("vino_queue_transfer():\n"); |
1132 | ||
1133 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1134 | return ret; | |
1135 | } | |
1136 | ||
1137 | spin_lock_irqsave(&q->queue_lock, flags); | |
1138 | ||
1139 | if (q->length == 0) | |
1140 | goto out; | |
1141 | ||
1142 | // now this actually removes an entry from the incoming queue | |
1143 | if (vino_fifo_dequeue(&q->in, &id)) { | |
1144 | goto out; | |
1145 | } | |
1146 | ||
1147 | dprintk("vino_queue_transfer(): id = %d\n", id); | |
1148 | fb = q->buffer[id]; | |
1149 | ||
1150 | // we have already checked that the outgoing queue is not full, but... | |
1151 | if (vino_fifo_enqueue(&q->out, id)) { | |
1152 | printk(KERN_ERR "vino_queue_transfer(): " | |
1153 | "outgoing queue is full, this shouldn't happen!\n"); | |
1154 | goto out; | |
1155 | } | |
1156 | ||
1157 | ret = fb; | |
1158 | out: | |
1159 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1160 | ||
1161 | return ret; | |
1162 | } | |
1163 | ||
1164 | /* returns true/false */ | |
1165 | static int vino_queue_incoming_contains(struct vino_framebuffer_queue *q, | |
1166 | unsigned int id) | |
1167 | { | |
1168 | int ret = 0; | |
1169 | unsigned long flags; | |
1170 | ||
1171 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1172 | return ret; | |
1173 | } | |
1174 | ||
1175 | spin_lock_irqsave(&q->queue_lock, flags); | |
1176 | ||
1177 | if (q->length == 0) | |
1178 | goto out; | |
1179 | ||
1180 | ret = vino_fifo_has_id(&q->in, id); | |
1181 | ||
1182 | out: | |
1183 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1184 | ||
1185 | return ret; | |
1186 | } | |
1187 | ||
1188 | /* returns true/false */ | |
1189 | static int vino_queue_outgoing_contains(struct vino_framebuffer_queue *q, | |
1190 | unsigned int id) | |
1191 | { | |
1192 | int ret = 0; | |
1193 | unsigned long flags; | |
1194 | ||
1195 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1196 | return ret; | |
1197 | } | |
1198 | ||
1199 | spin_lock_irqsave(&q->queue_lock, flags); | |
1200 | ||
1201 | if (q->length == 0) | |
1202 | goto out; | |
1203 | ||
1204 | ret = vino_fifo_has_id(&q->out, id); | |
1205 | ||
1206 | out: | |
1207 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1208 | ||
1209 | return ret; | |
1210 | } | |
1211 | ||
1212 | static int vino_queue_get_incoming(struct vino_framebuffer_queue *q, | |
1213 | unsigned int *used) | |
1214 | { | |
1215 | int ret = 0; | |
1216 | unsigned long flags; | |
1217 | ||
1218 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1219 | return VINO_QUEUE_ERROR; | |
1220 | } | |
1221 | ||
1222 | spin_lock_irqsave(&q->queue_lock, flags); | |
1223 | ||
1224 | if (q->length == 0) { | |
1225 | ret = VINO_QUEUE_ERROR; | |
1226 | goto out; | |
1227 | } | |
1228 | ||
1229 | *used = vino_fifo_get_used(&q->in); | |
1230 | ||
1231 | out: | |
1232 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1233 | ||
1234 | return ret; | |
1235 | } | |
1236 | ||
1237 | static int vino_queue_get_outgoing(struct vino_framebuffer_queue *q, | |
1238 | unsigned int *used) | |
1239 | { | |
1240 | int ret = 0; | |
1241 | unsigned long flags; | |
1242 | ||
1243 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1244 | return VINO_QUEUE_ERROR; | |
1245 | } | |
1246 | ||
1247 | spin_lock_irqsave(&q->queue_lock, flags); | |
1248 | ||
1249 | if (q->length == 0) { | |
1250 | ret = VINO_QUEUE_ERROR; | |
1251 | goto out; | |
1252 | } | |
1253 | ||
1254 | *used = vino_fifo_get_used(&q->out); | |
1255 | ||
1256 | out: | |
1257 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1258 | ||
1259 | return ret; | |
1260 | } | |
1261 | ||
a637a114 | 1262 | #if 0 |
d203a7ec RB |
1263 | static int vino_queue_get_total(struct vino_framebuffer_queue *q, |
1264 | unsigned int *total) | |
1265 | { | |
1266 | int ret = 0; | |
1267 | unsigned long flags; | |
1268 | ||
1269 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1270 | return VINO_QUEUE_ERROR; | |
1271 | } | |
1272 | ||
1273 | spin_lock_irqsave(&q->queue_lock, flags); | |
1274 | ||
1275 | if (q->length == 0) { | |
1276 | ret = VINO_QUEUE_ERROR; | |
1277 | goto out; | |
1278 | } | |
1279 | ||
1280 | *total = vino_fifo_get_used(&q->in) + | |
1281 | vino_fifo_get_used(&q->out); | |
1282 | ||
1283 | out: | |
1284 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1285 | ||
1286 | return ret; | |
1287 | } | |
a637a114 | 1288 | #endif |
d203a7ec RB |
1289 | |
1290 | static struct vino_framebuffer *vino_queue_peek(struct | |
1291 | vino_framebuffer_queue *q, | |
1292 | unsigned int *id) | |
1293 | { | |
1294 | struct vino_framebuffer *ret = NULL; | |
1295 | unsigned long flags; | |
1296 | ||
1297 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1298 | return ret; | |
1299 | } | |
1300 | ||
1301 | spin_lock_irqsave(&q->queue_lock, flags); | |
1302 | ||
1303 | if (q->length == 0) | |
1304 | goto out; | |
1305 | ||
1306 | if (vino_fifo_peek(&q->in, id)) { | |
1307 | goto out; | |
1308 | } | |
1309 | ||
1310 | ret = q->buffer[*id]; | |
1311 | out: | |
1312 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1313 | ||
1314 | return ret; | |
1315 | } | |
1316 | ||
1317 | static struct vino_framebuffer *vino_queue_remove(struct | |
1318 | vino_framebuffer_queue *q, | |
1319 | unsigned int *id) | |
1320 | { | |
1321 | struct vino_framebuffer *ret = NULL; | |
1322 | unsigned long flags; | |
1323 | dprintk("vino_queue_remove():\n"); | |
1324 | ||
1325 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1326 | return ret; | |
1327 | } | |
1328 | ||
1329 | spin_lock_irqsave(&q->queue_lock, flags); | |
1330 | ||
1331 | if (q->length == 0) | |
1332 | goto out; | |
1333 | ||
1334 | if (vino_fifo_dequeue(&q->out, id)) { | |
1335 | goto out; | |
1336 | } | |
1337 | ||
1338 | dprintk("vino_queue_remove(): id = %d\n", *id); | |
1339 | ret = q->buffer[*id]; | |
1340 | out: | |
1341 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1342 | ||
1343 | return ret; | |
1344 | } | |
1345 | ||
1346 | static struct | |
1347 | vino_framebuffer *vino_queue_get_buffer(struct vino_framebuffer_queue *q, | |
1348 | unsigned int id) | |
1349 | { | |
1350 | struct vino_framebuffer *ret = NULL; | |
1351 | unsigned long flags; | |
1352 | ||
1353 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1354 | return ret; | |
1355 | } | |
1356 | ||
1357 | spin_lock_irqsave(&q->queue_lock, flags); | |
1358 | ||
1359 | if (q->length == 0) | |
1360 | goto out; | |
1361 | ||
1362 | if (id >= q->length) | |
1363 | goto out; | |
1364 | ||
1365 | ret = q->buffer[id]; | |
1366 | out: | |
1367 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1368 | ||
1369 | return ret; | |
1370 | } | |
1371 | ||
1372 | static unsigned int vino_queue_get_length(struct vino_framebuffer_queue *q) | |
1373 | { | |
1374 | unsigned int length = 0; | |
1375 | unsigned long flags; | |
1376 | ||
1377 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1378 | return length; | |
1379 | } | |
1380 | ||
1381 | spin_lock_irqsave(&q->queue_lock, flags); | |
1382 | length = q->length; | |
1383 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1384 | ||
1385 | return length; | |
1386 | } | |
1387 | ||
1388 | static int vino_queue_has_mapped_buffers(struct vino_framebuffer_queue *q) | |
1389 | { | |
1390 | unsigned int i; | |
1391 | int ret = 0; | |
1392 | unsigned long flags; | |
1393 | ||
1394 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1395 | return ret; | |
1396 | } | |
1397 | ||
1398 | spin_lock_irqsave(&q->queue_lock, flags); | |
1399 | for (i = 0; i < q->length; i++) { | |
1400 | if (q->buffer[i]->map_count > 0) { | |
1401 | ret = 1; | |
1402 | break; | |
1403 | } | |
1404 | } | |
1405 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1406 | ||
1407 | return ret; | |
1408 | } | |
1409 | ||
1410 | /* VINO functions */ | |
1411 | ||
1412 | /* execute with input_lock locked */ | |
1413 | static void vino_update_line_size(struct vino_channel_settings *vcs) | |
1414 | { | |
1415 | unsigned int w = vcs->clipping.right - vcs->clipping.left; | |
1416 | unsigned int d = vcs->decimation; | |
1417 | unsigned int bpp = vino_data_formats[vcs->data_format].bpp; | |
d56410e0 | 1418 | unsigned int lsize; |
d203a7ec RB |
1419 | |
1420 | dprintk("update_line_size(): before: w = %d, d = %d, " | |
1421 | "line_size = %d\n", w, d, vcs->line_size); | |
a637a114 | 1422 | |
d56410e0 | 1423 | /* line size must be multiple of 8 bytes */ |
d203a7ec RB |
1424 | lsize = (bpp * (w / d)) & ~7; |
1425 | w = (lsize / bpp) * d; | |
1426 | ||
1427 | vcs->clipping.right = vcs->clipping.left + w; | |
1428 | vcs->line_size = lsize; | |
a637a114 | 1429 | |
d203a7ec RB |
1430 | dprintk("update_line_size(): after: w = %d, d = %d, " |
1431 | "line_size = %d\n", w, d, vcs->line_size); | |
1432 | } | |
1433 | ||
1434 | /* execute with input_lock locked */ | |
1435 | static void vino_set_clipping(struct vino_channel_settings *vcs, | |
1436 | unsigned int x, unsigned int y, | |
1437 | unsigned int w, unsigned int h) | |
1438 | { | |
1439 | unsigned int maxwidth, maxheight; | |
1440 | unsigned int d; | |
1441 | ||
1442 | maxwidth = vino_data_norms[vcs->data_norm].width; | |
1443 | maxheight = vino_data_norms[vcs->data_norm].height; | |
1444 | d = vcs->decimation; | |
1445 | ||
1446 | y &= ~1; /* odd/even fields */ | |
1447 | ||
1448 | if (x > maxwidth) { | |
1449 | x = 0; | |
1450 | } | |
1451 | if (y > maxheight) { | |
1452 | y = 0; | |
1453 | } | |
1454 | ||
1455 | if (((w / d) < VINO_MIN_WIDTH) | |
1456 | || ((h / d) < VINO_MIN_HEIGHT)) { | |
1457 | w = VINO_MIN_WIDTH * d; | |
1458 | h = VINO_MIN_HEIGHT * d; | |
1459 | } | |
1460 | ||
1461 | if ((x + w) > maxwidth) { | |
1462 | w = maxwidth - x; | |
1463 | if ((w / d) < VINO_MIN_WIDTH) | |
1464 | x = maxwidth - VINO_MIN_WIDTH * d; | |
1465 | } | |
1466 | if ((y + h) > maxheight) { | |
1467 | h = maxheight - y; | |
1468 | if ((h / d) < VINO_MIN_HEIGHT) | |
1469 | y = maxheight - VINO_MIN_HEIGHT * d; | |
1470 | } | |
1471 | ||
1472 | vcs->clipping.left = x; | |
1473 | vcs->clipping.top = y; | |
1474 | vcs->clipping.right = x + w; | |
1475 | vcs->clipping.bottom = y + h; | |
1476 | ||
1477 | vino_update_line_size(vcs); | |
1478 | ||
1479 | dprintk("clipping %d, %d, %d, %d / %d - %d\n", | |
1480 | vcs->clipping.left, vcs->clipping.top, vcs->clipping.right, | |
1481 | vcs->clipping.bottom, vcs->decimation, vcs->line_size); | |
1482 | } | |
1483 | ||
1484 | /* execute with input_lock locked */ | |
a637a114 | 1485 | static inline void vino_set_default_clipping(struct vino_channel_settings *vcs) |
d203a7ec RB |
1486 | { |
1487 | vino_set_clipping(vcs, 0, 0, vino_data_norms[vcs->data_norm].width, | |
1488 | vino_data_norms[vcs->data_norm].height); | |
1489 | } | |
1490 | ||
1491 | /* execute with input_lock locked */ | |
1492 | static void vino_set_scaling(struct vino_channel_settings *vcs, | |
1493 | unsigned int w, unsigned int h) | |
1494 | { | |
1495 | unsigned int x, y, curw, curh, d; | |
1496 | ||
1497 | x = vcs->clipping.left; | |
1498 | y = vcs->clipping.top; | |
1499 | curw = vcs->clipping.right - vcs->clipping.left; | |
1500 | curh = vcs->clipping.bottom - vcs->clipping.top; | |
1501 | ||
1502 | d = max(curw / w, curh / h); | |
1503 | ||
1504 | dprintk("scaling w: %d, h: %d, curw: %d, curh: %d, d: %d\n", | |
1505 | w, h, curw, curh, d); | |
1506 | ||
1507 | if (d < 1) { | |
1508 | d = 1; | |
a637a114 | 1509 | } else if (d > 8) { |
d203a7ec RB |
1510 | d = 8; |
1511 | } | |
1512 | ||
1513 | vcs->decimation = d; | |
1514 | vino_set_clipping(vcs, x, y, w * d, h * d); | |
1515 | ||
1516 | dprintk("scaling %d, %d, %d, %d / %d - %d\n", vcs->clipping.left, | |
1517 | vcs->clipping.top, vcs->clipping.right, vcs->clipping.bottom, | |
1518 | vcs->decimation, vcs->line_size); | |
1519 | } | |
1520 | ||
1521 | /* execute with input_lock locked */ | |
a637a114 | 1522 | static inline void vino_set_default_scaling(struct vino_channel_settings *vcs) |
d203a7ec RB |
1523 | { |
1524 | vino_set_scaling(vcs, vcs->clipping.right - vcs->clipping.left, | |
1525 | vcs->clipping.bottom - vcs->clipping.top); | |
1526 | } | |
1527 | ||
1528 | /* execute with input_lock locked */ | |
1529 | static void vino_set_framerate(struct vino_channel_settings *vcs, | |
1530 | unsigned int fps) | |
1531 | { | |
1532 | unsigned int mask; | |
1533 | ||
1534 | switch (vcs->data_norm) { | |
1535 | case VINO_DATA_NORM_NTSC: | |
1536 | case VINO_DATA_NORM_D1: | |
1537 | fps = (unsigned int)(fps / 6) * 6; // FIXME: round! | |
1538 | ||
1539 | if (fps < vino_data_norms[vcs->data_norm].fps_min) | |
1540 | fps = vino_data_norms[vcs->data_norm].fps_min; | |
1541 | if (fps > vino_data_norms[vcs->data_norm].fps_max) | |
1542 | fps = vino_data_norms[vcs->data_norm].fps_max; | |
1543 | ||
1544 | switch (fps) { | |
1545 | case 6: | |
1546 | mask = 0x003; | |
1547 | break; | |
1548 | case 12: | |
1549 | mask = 0x0c3; | |
1550 | break; | |
1551 | case 18: | |
1552 | mask = 0x333; | |
1553 | break; | |
1554 | case 24: | |
1555 | mask = 0x3ff; | |
1556 | break; | |
1557 | case 30: | |
1558 | mask = 0xfff; | |
1559 | break; | |
1560 | default: | |
1561 | mask = VINO_FRAMERT_FULL; | |
1562 | } | |
1563 | vcs->framert_reg = VINO_FRAMERT_RT(mask); | |
1564 | break; | |
1565 | case VINO_DATA_NORM_PAL: | |
1566 | case VINO_DATA_NORM_SECAM: | |
1567 | fps = (unsigned int)(fps / 5) * 5; // FIXME: round! | |
1568 | ||
1569 | if (fps < vino_data_norms[vcs->data_norm].fps_min) | |
1570 | fps = vino_data_norms[vcs->data_norm].fps_min; | |
1571 | if (fps > vino_data_norms[vcs->data_norm].fps_max) | |
1572 | fps = vino_data_norms[vcs->data_norm].fps_max; | |
1573 | ||
1574 | switch (fps) { | |
1575 | case 5: | |
1576 | mask = 0x003; | |
1577 | break; | |
1578 | case 10: | |
1579 | mask = 0x0c3; | |
1580 | break; | |
1581 | case 15: | |
1582 | mask = 0x333; | |
1583 | break; | |
1584 | case 20: | |
1585 | mask = 0x0ff; | |
1586 | break; | |
1587 | case 25: | |
1588 | mask = 0x3ff; | |
1589 | break; | |
1590 | default: | |
1591 | mask = VINO_FRAMERT_FULL; | |
1592 | } | |
1593 | vcs->framert_reg = VINO_FRAMERT_RT(mask) | VINO_FRAMERT_PAL; | |
1594 | break; | |
1595 | } | |
1596 | ||
1597 | vcs->fps = fps; | |
1598 | } | |
1599 | ||
1600 | /* execute with input_lock locked */ | |
a637a114 LM |
1601 | static inline void vino_set_default_framerate(struct |
1602 | vino_channel_settings *vcs) | |
d203a7ec RB |
1603 | { |
1604 | vino_set_framerate(vcs, vino_data_norms[vcs->data_norm].fps_max); | |
1605 | } | |
1606 | ||
cea0c681 JD |
1607 | /* VINO I2C bus functions */ |
1608 | ||
1609 | struct i2c_algo_sgi_data { | |
1610 | void *data; /* private data for lowlevel routines */ | |
1611 | unsigned (*getctrl)(void *data); | |
1612 | void (*setctrl)(void *data, unsigned val); | |
1613 | unsigned (*rdata)(void *data); | |
1614 | void (*wdata)(void *data, unsigned val); | |
1615 | ||
1616 | int xfer_timeout; | |
1617 | int ack_timeout; | |
1618 | }; | |
1619 | ||
1620 | static int wait_xfer_done(struct i2c_algo_sgi_data *adap) | |
1621 | { | |
1622 | int i; | |
1623 | ||
1624 | for (i = 0; i < adap->xfer_timeout; i++) { | |
1625 | if ((adap->getctrl(adap->data) & SGI_I2C_XFER_BUSY) == 0) | |
1626 | return 0; | |
1627 | udelay(1); | |
1628 | } | |
1629 | ||
1630 | return -ETIMEDOUT; | |
1631 | } | |
1632 | ||
1633 | static int wait_ack(struct i2c_algo_sgi_data *adap) | |
1634 | { | |
1635 | int i; | |
1636 | ||
1637 | if (wait_xfer_done(adap)) | |
1638 | return -ETIMEDOUT; | |
1639 | for (i = 0; i < adap->ack_timeout; i++) { | |
1640 | if ((adap->getctrl(adap->data) & SGI_I2C_NACK) == 0) | |
1641 | return 0; | |
1642 | udelay(1); | |
1643 | } | |
1644 | ||
1645 | return -ETIMEDOUT; | |
1646 | } | |
1647 | ||
1648 | static int force_idle(struct i2c_algo_sgi_data *adap) | |
1649 | { | |
1650 | int i; | |
1651 | ||
1652 | adap->setctrl(adap->data, SGI_I2C_FORCE_IDLE); | |
1653 | for (i = 0; i < adap->xfer_timeout; i++) { | |
1654 | if ((adap->getctrl(adap->data) & SGI_I2C_NOT_IDLE) == 0) | |
1655 | goto out; | |
1656 | udelay(1); | |
1657 | } | |
1658 | return -ETIMEDOUT; | |
1659 | out: | |
1660 | if (adap->getctrl(adap->data) & SGI_I2C_BUS_ERR) | |
1661 | return -EIO; | |
1662 | return 0; | |
1663 | } | |
1664 | ||
1665 | static int do_address(struct i2c_algo_sgi_data *adap, unsigned int addr, | |
1666 | int rd) | |
1667 | { | |
1668 | if (rd) | |
1669 | adap->setctrl(adap->data, SGI_I2C_NOT_IDLE); | |
1670 | /* Check if bus is idle, eventually force it to do so */ | |
1671 | if (adap->getctrl(adap->data) & SGI_I2C_NOT_IDLE) | |
1672 | if (force_idle(adap)) | |
1673 | return -EIO; | |
1674 | /* Write out the i2c chip address and specify operation */ | |
1675 | adap->setctrl(adap->data, | |
1676 | SGI_I2C_HOLD_BUS | SGI_I2C_WRITE | SGI_I2C_NOT_IDLE); | |
1677 | if (rd) | |
1678 | addr |= 1; | |
1679 | adap->wdata(adap->data, addr); | |
1680 | if (wait_ack(adap)) | |
1681 | return -EIO; | |
1682 | return 0; | |
1683 | } | |
1684 | ||
1685 | static int i2c_read(struct i2c_algo_sgi_data *adap, unsigned char *buf, | |
1686 | unsigned int len) | |
1687 | { | |
1688 | int i; | |
1689 | ||
1690 | adap->setctrl(adap->data, | |
1691 | SGI_I2C_HOLD_BUS | SGI_I2C_READ | SGI_I2C_NOT_IDLE); | |
1692 | for (i = 0; i < len; i++) { | |
1693 | if (wait_xfer_done(adap)) | |
1694 | return -EIO; | |
1695 | buf[i] = adap->rdata(adap->data); | |
1696 | } | |
1697 | adap->setctrl(adap->data, SGI_I2C_RELEASE_BUS | SGI_I2C_FORCE_IDLE); | |
1698 | ||
1699 | return 0; | |
1700 | ||
1701 | } | |
1702 | ||
1703 | static int i2c_write(struct i2c_algo_sgi_data *adap, unsigned char *buf, | |
1704 | unsigned int len) | |
1705 | { | |
1706 | int i; | |
1707 | ||
1708 | /* We are already in write state */ | |
1709 | for (i = 0; i < len; i++) { | |
1710 | adap->wdata(adap->data, buf[i]); | |
1711 | if (wait_ack(adap)) | |
1712 | return -EIO; | |
1713 | } | |
1714 | return 0; | |
1715 | } | |
1716 | ||
1717 | static int sgi_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, | |
1718 | int num) | |
1719 | { | |
1720 | struct i2c_algo_sgi_data *adap = i2c_adap->algo_data; | |
1721 | struct i2c_msg *p; | |
1722 | int i, err = 0; | |
1723 | ||
1724 | for (i = 0; !err && i < num; i++) { | |
1725 | p = &msgs[i]; | |
1726 | err = do_address(adap, p->addr, p->flags & I2C_M_RD); | |
1727 | if (err || !p->len) | |
1728 | continue; | |
1729 | if (p->flags & I2C_M_RD) | |
1730 | err = i2c_read(adap, p->buf, p->len); | |
1731 | else | |
1732 | err = i2c_write(adap, p->buf, p->len); | |
1733 | } | |
1734 | ||
1735 | return (err < 0) ? err : i; | |
1736 | } | |
1737 | ||
1738 | static u32 sgi_func(struct i2c_adapter *adap) | |
1739 | { | |
1740 | return I2C_FUNC_SMBUS_EMUL; | |
1741 | } | |
1742 | ||
1743 | static const struct i2c_algorithm sgi_algo = { | |
1744 | .master_xfer = sgi_xfer, | |
1745 | .functionality = sgi_func, | |
1746 | }; | |
1747 | ||
1748 | static unsigned i2c_vino_getctrl(void *data) | |
1749 | { | |
1750 | return vino->i2c_control; | |
1751 | } | |
1752 | ||
1753 | static void i2c_vino_setctrl(void *data, unsigned val) | |
1754 | { | |
1755 | vino->i2c_control = val; | |
1756 | } | |
1757 | ||
1758 | static unsigned i2c_vino_rdata(void *data) | |
1759 | { | |
1760 | return vino->i2c_data; | |
1761 | } | |
1762 | ||
1763 | static void i2c_vino_wdata(void *data, unsigned val) | |
1764 | { | |
1765 | vino->i2c_data = val; | |
1766 | } | |
1767 | ||
1768 | static struct i2c_algo_sgi_data i2c_sgi_vino_data = { | |
1769 | .getctrl = &i2c_vino_getctrl, | |
1770 | .setctrl = &i2c_vino_setctrl, | |
1771 | .rdata = &i2c_vino_rdata, | |
1772 | .wdata = &i2c_vino_wdata, | |
1773 | .xfer_timeout = 200, | |
1774 | .ack_timeout = 1000, | |
1775 | }; | |
1776 | ||
1777 | static struct i2c_adapter vino_i2c_adapter = { | |
1778 | .name = "VINO I2C bus", | |
cea0c681 JD |
1779 | .algo = &sgi_algo, |
1780 | .algo_data = &i2c_sgi_vino_data, | |
1781 | .owner = THIS_MODULE, | |
1782 | }; | |
1783 | ||
d203a7ec RB |
1784 | /* |
1785 | * Prepare VINO for DMA transfer... | |
1786 | * (execute only with vino_lock and input_lock locked) | |
1787 | */ | |
1788 | static int vino_dma_setup(struct vino_channel_settings *vcs, | |
1789 | struct vino_framebuffer *fb) | |
1790 | { | |
1791 | u32 ctrl, intr; | |
1792 | struct sgi_vino_channel *ch; | |
1793 | const struct vino_data_norm *norm; | |
1794 | ||
1795 | dprintk("vino_dma_setup():\n"); | |
1796 | ||
1797 | vcs->field = 0; | |
1798 | fb->frame_counter = 0; | |
1799 | ||
1800 | ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b; | |
1801 | norm = &vino_data_norms[vcs->data_norm]; | |
1802 | ||
1803 | ch->page_index = 0; | |
1804 | ch->line_count = 0; | |
1805 | ||
1806 | /* VINO line size register is set 8 bytes less than actual */ | |
1807 | ch->line_size = vcs->line_size - 8; | |
1808 | ||
1809 | /* let VINO know where to transfer data */ | |
1810 | ch->start_desc_tbl = fb->desc_table.dma; | |
1811 | ch->next_4_desc = fb->desc_table.dma; | |
1812 | ||
1813 | /* give vino time to fetch the first four descriptors, 5 usec | |
1814 | * should be more than enough time */ | |
1815 | udelay(VINO_DESC_FETCH_DELAY); | |
1816 | ||
a637a114 LM |
1817 | dprintk("vino_dma_setup(): start desc = %08x, next 4 desc = %08x\n", |
1818 | ch->start_desc_tbl, ch->next_4_desc); | |
1819 | ||
d203a7ec RB |
1820 | /* set the alpha register */ |
1821 | ch->alpha = vcs->alpha; | |
1822 | ||
1823 | /* set clipping registers */ | |
1824 | ch->clip_start = VINO_CLIP_ODD(norm->odd.top + vcs->clipping.top / 2) | | |
1825 | VINO_CLIP_EVEN(norm->even.top + | |
1826 | vcs->clipping.top / 2) | | |
1827 | VINO_CLIP_X(vcs->clipping.left); | |
1828 | ch->clip_end = VINO_CLIP_ODD(norm->odd.top + | |
1829 | vcs->clipping.bottom / 2 - 1) | | |
1830 | VINO_CLIP_EVEN(norm->even.top + | |
1831 | vcs->clipping.bottom / 2 - 1) | | |
1832 | VINO_CLIP_X(vcs->clipping.right); | |
d203a7ec RB |
1833 | |
1834 | /* set the size of actual content in the buffer (DECIMATION !) */ | |
1835 | fb->data_size = ((vcs->clipping.right - vcs->clipping.left) / | |
1836 | vcs->decimation) * | |
1837 | ((vcs->clipping.bottom - vcs->clipping.top) / | |
1838 | vcs->decimation) * | |
1839 | vino_data_formats[vcs->data_format].bpp; | |
1840 | ||
1841 | ch->frame_rate = vcs->framert_reg; | |
1842 | ||
1843 | ctrl = vino->control; | |
1844 | intr = vino->intr_status; | |
1845 | ||
1846 | if (vcs->channel == VINO_CHANNEL_A) { | |
1847 | /* All interrupt conditions for this channel was cleared | |
1848 | * so clear the interrupt status register and enable | |
1849 | * interrupts */ | |
1850 | intr &= ~VINO_INTSTAT_A; | |
1851 | ctrl |= VINO_CTRL_A_INT; | |
1852 | ||
1853 | /* enable synchronization */ | |
1854 | ctrl |= VINO_CTRL_A_SYNC_ENBL; | |
1855 | ||
1856 | /* enable frame assembly */ | |
1857 | ctrl |= VINO_CTRL_A_INTERLEAVE_ENBL; | |
1858 | ||
1859 | /* set decimation used */ | |
1860 | if (vcs->decimation < 2) | |
1861 | ctrl &= ~VINO_CTRL_A_DEC_ENBL; | |
1862 | else { | |
1863 | ctrl |= VINO_CTRL_A_DEC_ENBL; | |
1864 | ctrl &= ~VINO_CTRL_A_DEC_SCALE_MASK; | |
1865 | ctrl |= (vcs->decimation - 1) << | |
1866 | VINO_CTRL_A_DEC_SCALE_SHIFT; | |
1867 | } | |
1868 | ||
1869 | /* select input interface */ | |
1870 | if (vcs->input == VINO_INPUT_D1) | |
1871 | ctrl |= VINO_CTRL_A_SELECT; | |
1872 | else | |
1873 | ctrl &= ~VINO_CTRL_A_SELECT; | |
1874 | ||
1875 | /* palette */ | |
1876 | ctrl &= ~(VINO_CTRL_A_LUMA_ONLY | VINO_CTRL_A_RGB | | |
1877 | VINO_CTRL_A_DITHER); | |
1878 | } else { | |
1879 | intr &= ~VINO_INTSTAT_B; | |
1880 | ctrl |= VINO_CTRL_B_INT; | |
1881 | ||
1882 | ctrl |= VINO_CTRL_B_SYNC_ENBL; | |
1883 | ctrl |= VINO_CTRL_B_INTERLEAVE_ENBL; | |
1884 | ||
1885 | if (vcs->decimation < 2) | |
1886 | ctrl &= ~VINO_CTRL_B_DEC_ENBL; | |
1887 | else { | |
1888 | ctrl |= VINO_CTRL_B_DEC_ENBL; | |
1889 | ctrl &= ~VINO_CTRL_B_DEC_SCALE_MASK; | |
1890 | ctrl |= (vcs->decimation - 1) << | |
1891 | VINO_CTRL_B_DEC_SCALE_SHIFT; | |
1892 | ||
1893 | } | |
1894 | if (vcs->input == VINO_INPUT_D1) | |
1895 | ctrl |= VINO_CTRL_B_SELECT; | |
1896 | else | |
1897 | ctrl &= ~VINO_CTRL_B_SELECT; | |
1898 | ||
1899 | ctrl &= ~(VINO_CTRL_B_LUMA_ONLY | VINO_CTRL_B_RGB | | |
1900 | VINO_CTRL_B_DITHER); | |
1901 | } | |
1902 | ||
1903 | /* set palette */ | |
1904 | fb->data_format = vcs->data_format; | |
1905 | ||
1906 | switch (vcs->data_format) { | |
1907 | case VINO_DATA_FMT_GREY: | |
1908 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1909 | VINO_CTRL_A_LUMA_ONLY : VINO_CTRL_B_LUMA_ONLY; | |
1910 | break; | |
1911 | case VINO_DATA_FMT_RGB32: | |
1912 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1913 | VINO_CTRL_A_RGB : VINO_CTRL_B_RGB; | |
1914 | break; | |
1915 | case VINO_DATA_FMT_YUV: | |
1916 | /* nothing needs to be done */ | |
1917 | break; | |
1918 | case VINO_DATA_FMT_RGB332: | |
1919 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1920 | VINO_CTRL_A_RGB | VINO_CTRL_A_DITHER : | |
1921 | VINO_CTRL_B_RGB | VINO_CTRL_B_DITHER; | |
1922 | break; | |
1923 | } | |
1924 | ||
1925 | vino->intr_status = intr; | |
1926 | vino->control = ctrl; | |
1927 | ||
1928 | return 0; | |
1929 | } | |
1930 | ||
1931 | /* (execute only with vino_lock locked) */ | |
a637a114 | 1932 | static inline void vino_dma_start(struct vino_channel_settings *vcs) |
d203a7ec RB |
1933 | { |
1934 | u32 ctrl = vino->control; | |
1935 | ||
1936 | dprintk("vino_dma_start():\n"); | |
1937 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1938 | VINO_CTRL_A_DMA_ENBL : VINO_CTRL_B_DMA_ENBL; | |
1939 | vino->control = ctrl; | |
1940 | } | |
1941 | ||
1942 | /* (execute only with vino_lock locked) */ | |
a637a114 | 1943 | static inline void vino_dma_stop(struct vino_channel_settings *vcs) |
d203a7ec RB |
1944 | { |
1945 | u32 ctrl = vino->control; | |
1946 | ||
1947 | ctrl &= (vcs->channel == VINO_CHANNEL_A) ? | |
1948 | ~VINO_CTRL_A_DMA_ENBL : ~VINO_CTRL_B_DMA_ENBL; | |
a637a114 LM |
1949 | ctrl &= (vcs->channel == VINO_CHANNEL_A) ? |
1950 | ~VINO_CTRL_A_INT : ~VINO_CTRL_B_INT; | |
d203a7ec RB |
1951 | vino->control = ctrl; |
1952 | dprintk("vino_dma_stop():\n"); | |
1953 | } | |
1954 | ||
1955 | /* | |
1956 | * Load dummy page to descriptor registers. This prevents generating of | |
1957 | * spurious interrupts. (execute only with vino_lock locked) | |
1958 | */ | |
1959 | static void vino_clear_interrupt(struct vino_channel_settings *vcs) | |
1960 | { | |
1961 | struct sgi_vino_channel *ch; | |
1962 | ||
1963 | ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b; | |
1964 | ||
1965 | ch->page_index = 0; | |
1966 | ch->line_count = 0; | |
1967 | ||
1968 | ch->start_desc_tbl = vino_drvdata->dummy_desc_table.dma; | |
1969 | ch->next_4_desc = vino_drvdata->dummy_desc_table.dma; | |
1970 | ||
1971 | udelay(VINO_DESC_FETCH_DELAY); | |
1972 | dprintk("channel %c clear interrupt condition\n", | |
1973 | (vcs->channel == VINO_CHANNEL_A) ? 'A':'B'); | |
1974 | } | |
1975 | ||
1976 | static int vino_capture(struct vino_channel_settings *vcs, | |
1977 | struct vino_framebuffer *fb) | |
1978 | { | |
1979 | int err = 0; | |
1980 | unsigned long flags, flags2; | |
1981 | ||
1982 | spin_lock_irqsave(&fb->state_lock, flags); | |
1983 | ||
1984 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) | |
1985 | err = -EBUSY; | |
1986 | fb->state = VINO_FRAMEBUFFER_IN_USE; | |
1987 | ||
1988 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
1989 | ||
1990 | if (err) | |
1991 | return err; | |
1992 | ||
1993 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); | |
1994 | spin_lock_irqsave(&vino_drvdata->input_lock, flags2); | |
1995 | ||
1996 | vino_dma_setup(vcs, fb); | |
1997 | vino_dma_start(vcs); | |
1998 | ||
1999 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags2); | |
2000 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); | |
2001 | ||
2002 | return err; | |
2003 | } | |
2004 | ||
2005 | static | |
2006 | struct vino_framebuffer *vino_capture_enqueue(struct | |
2007 | vino_channel_settings *vcs, | |
2008 | unsigned int index) | |
2009 | { | |
2010 | struct vino_framebuffer *fb; | |
2011 | unsigned long flags; | |
2012 | ||
2013 | dprintk("vino_capture_enqueue():\n"); | |
2014 | ||
2015 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2016 | ||
2017 | fb = vino_queue_add(&vcs->fb_queue, index); | |
2018 | if (fb == NULL) { | |
2019 | dprintk("vino_capture_enqueue(): vino_queue_add() failed, " | |
2020 | "queue full?\n"); | |
2021 | goto out; | |
2022 | } | |
2023 | out: | |
2024 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2025 | ||
2026 | return fb; | |
2027 | } | |
2028 | ||
2029 | static int vino_capture_next(struct vino_channel_settings *vcs, int start) | |
2030 | { | |
2031 | struct vino_framebuffer *fb; | |
2032 | unsigned int incoming, id; | |
2033 | int err = 0; | |
a637a114 | 2034 | unsigned long flags; |
d203a7ec RB |
2035 | |
2036 | dprintk("vino_capture_next():\n"); | |
2037 | ||
2038 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2039 | ||
2040 | if (start) { | |
2041 | /* start capture only if capture isn't in progress already */ | |
2042 | if (vcs->capturing) { | |
2043 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2044 | return 0; | |
2045 | } | |
2046 | ||
2047 | } else { | |
2048 | /* capture next frame: | |
2049 | * stop capture if capturing is not set */ | |
2050 | if (!vcs->capturing) { | |
2051 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2052 | return 0; | |
2053 | } | |
2054 | } | |
2055 | ||
2056 | err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); | |
2057 | if (err) { | |
2058 | dprintk("vino_capture_next(): vino_queue_get_incoming() " | |
2059 | "failed\n"); | |
2060 | err = -EINVAL; | |
2061 | goto out; | |
2062 | } | |
2063 | if (incoming == 0) { | |
2064 | dprintk("vino_capture_next(): no buffers available\n"); | |
2065 | goto out; | |
2066 | } | |
2067 | ||
2068 | fb = vino_queue_peek(&vcs->fb_queue, &id); | |
2069 | if (fb == NULL) { | |
2070 | dprintk("vino_capture_next(): vino_queue_peek() failed\n"); | |
2071 | err = -EINVAL; | |
2072 | goto out; | |
2073 | } | |
2074 | ||
d203a7ec RB |
2075 | if (start) { |
2076 | vcs->capturing = 1; | |
2077 | } | |
2078 | ||
2079 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2080 | ||
2081 | err = vino_capture(vcs, fb); | |
2082 | ||
2083 | return err; | |
2084 | ||
2085 | out: | |
2086 | vcs->capturing = 0; | |
2087 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2088 | ||
2089 | return err; | |
2090 | } | |
2091 | ||
a637a114 | 2092 | static inline int vino_is_capturing(struct vino_channel_settings *vcs) |
d203a7ec RB |
2093 | { |
2094 | int ret; | |
2095 | unsigned long flags; | |
2096 | ||
2097 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2098 | ||
2099 | ret = vcs->capturing; | |
2100 | ||
2101 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2102 | ||
2103 | return ret; | |
2104 | } | |
2105 | ||
2106 | /* waits until a frame is captured */ | |
2107 | static int vino_wait_for_frame(struct vino_channel_settings *vcs) | |
2108 | { | |
2109 | wait_queue_t wait; | |
2110 | int err = 0; | |
2111 | ||
2112 | dprintk("vino_wait_for_frame():\n"); | |
2113 | ||
2114 | init_waitqueue_entry(&wait, current); | |
2115 | /* add ourselves into wait queue */ | |
2116 | add_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait); | |
d203a7ec RB |
2117 | |
2118 | /* to ensure that schedule_timeout will return immediately | |
f3a43d30 | 2119 | * if VINO interrupt was triggered meanwhile */ |
818ca471 | 2120 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
d203a7ec RB |
2121 | |
2122 | if (signal_pending(current)) | |
2123 | err = -EINTR; | |
2124 | ||
2125 | remove_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait); | |
2126 | ||
2127 | dprintk("vino_wait_for_frame(): waiting for frame %s\n", | |
2128 | err ? "failed" : "ok"); | |
2129 | ||
2130 | return err; | |
2131 | } | |
2132 | ||
2133 | /* the function assumes that PAGE_SIZE % 4 == 0 */ | |
2134 | static void vino_convert_to_rgba(struct vino_framebuffer *fb) { | |
2135 | unsigned char *pageptr; | |
2136 | unsigned int page, i; | |
2137 | unsigned char a; | |
2138 | ||
2139 | for (page = 0; page < fb->desc_table.page_count; page++) { | |
2140 | pageptr = (unsigned char *)fb->desc_table.virtual[page]; | |
2141 | ||
2142 | for (i = 0; i < PAGE_SIZE; i += 4) { | |
2143 | a = pageptr[0]; | |
2144 | pageptr[0] = pageptr[3]; | |
2145 | pageptr[1] = pageptr[2]; | |
2146 | pageptr[2] = pageptr[1]; | |
2147 | pageptr[3] = a; | |
2148 | pageptr += 4; | |
2149 | } | |
2150 | } | |
2151 | } | |
2152 | ||
2153 | /* checks if the buffer is in correct state and syncs data */ | |
2154 | static int vino_check_buffer(struct vino_channel_settings *vcs, | |
2155 | struct vino_framebuffer *fb) | |
2156 | { | |
2157 | int err = 0; | |
2158 | unsigned long flags; | |
2159 | ||
2160 | dprintk("vino_check_buffer():\n"); | |
2161 | ||
2162 | spin_lock_irqsave(&fb->state_lock, flags); | |
2163 | switch (fb->state) { | |
2164 | case VINO_FRAMEBUFFER_IN_USE: | |
2165 | err = -EIO; | |
2166 | break; | |
2167 | case VINO_FRAMEBUFFER_READY: | |
2168 | vino_sync_buffer(fb); | |
2169 | fb->state = VINO_FRAMEBUFFER_UNUSED; | |
2170 | break; | |
2171 | default: | |
2172 | err = -EINVAL; | |
2173 | } | |
2174 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2175 | ||
2176 | if (!err) { | |
2177 | if (vino_pixel_conversion | |
2178 | && (fb->data_format == VINO_DATA_FMT_RGB32)) { | |
2179 | vino_convert_to_rgba(fb); | |
2180 | } | |
2181 | } else if (err && (err != -EINVAL)) { | |
2182 | dprintk("vino_check_buffer(): buffer not ready\n"); | |
2183 | ||
2184 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); | |
2185 | vino_dma_stop(vcs); | |
2186 | vino_clear_interrupt(vcs); | |
2187 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); | |
2188 | } | |
2189 | ||
2190 | return err; | |
2191 | } | |
2192 | ||
2193 | /* forcefully terminates capture */ | |
2194 | static void vino_capture_stop(struct vino_channel_settings *vcs) | |
2195 | { | |
2196 | unsigned int incoming = 0, outgoing = 0, id; | |
2197 | unsigned long flags, flags2; | |
2198 | ||
2199 | dprintk("vino_capture_stop():\n"); | |
2200 | ||
2201 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
a637a114 | 2202 | |
d203a7ec RB |
2203 | /* unset capturing to stop queue processing */ |
2204 | vcs->capturing = 0; | |
2205 | ||
2206 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags2); | |
2207 | ||
2208 | vino_dma_stop(vcs); | |
2209 | vino_clear_interrupt(vcs); | |
2210 | ||
2211 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags2); | |
2212 | ||
2213 | /* remove all items from the queue */ | |
2214 | if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) { | |
2215 | dprintk("vino_capture_stop(): " | |
2216 | "vino_queue_get_incoming() failed\n"); | |
2217 | goto out; | |
2218 | } | |
2219 | while (incoming > 0) { | |
2220 | vino_queue_transfer(&vcs->fb_queue); | |
2221 | ||
2222 | if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) { | |
2223 | dprintk("vino_capture_stop(): " | |
2224 | "vino_queue_get_incoming() failed\n"); | |
2225 | goto out; | |
2226 | } | |
2227 | } | |
2228 | ||
2229 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
2230 | dprintk("vino_capture_stop(): " | |
2231 | "vino_queue_get_outgoing() failed\n"); | |
2232 | goto out; | |
2233 | } | |
2234 | while (outgoing > 0) { | |
2235 | vino_queue_remove(&vcs->fb_queue, &id); | |
2236 | ||
2237 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
2238 | dprintk("vino_capture_stop(): " | |
2239 | "vino_queue_get_outgoing() failed\n"); | |
2240 | goto out; | |
2241 | } | |
2242 | } | |
2243 | ||
2244 | out: | |
2245 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2246 | } | |
2247 | ||
a637a114 | 2248 | #if 0 |
d203a7ec RB |
2249 | static int vino_capture_failed(struct vino_channel_settings *vcs) |
2250 | { | |
2251 | struct vino_framebuffer *fb; | |
2252 | unsigned long flags; | |
2253 | unsigned int i; | |
2254 | int ret; | |
2255 | ||
2256 | dprintk("vino_capture_failed():\n"); | |
2257 | ||
2258 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); | |
2259 | ||
2260 | vino_dma_stop(vcs); | |
2261 | vino_clear_interrupt(vcs); | |
2262 | ||
2263 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); | |
2264 | ||
2265 | ret = vino_queue_get_incoming(&vcs->fb_queue, &i); | |
2266 | if (ret == VINO_QUEUE_ERROR) { | |
2267 | dprintk("vino_queue_get_incoming() failed\n"); | |
2268 | return -EINVAL; | |
2269 | } | |
2270 | if (i == 0) { | |
2271 | /* no buffers to process */ | |
2272 | return 0; | |
2273 | } | |
2274 | ||
2275 | fb = vino_queue_peek(&vcs->fb_queue, &i); | |
2276 | if (fb == NULL) { | |
2277 | dprintk("vino_queue_peek() failed\n"); | |
2278 | return -EINVAL; | |
2279 | } | |
2280 | ||
2281 | spin_lock_irqsave(&fb->state_lock, flags); | |
2282 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) { | |
2283 | fb->state = VINO_FRAMEBUFFER_UNUSED; | |
2284 | vino_queue_transfer(&vcs->fb_queue); | |
2285 | vino_queue_remove(&vcs->fb_queue, &i); | |
2286 | /* we should actually discard the newest frame, | |
2287 | * but who cares ... */ | |
2288 | } | |
2289 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2290 | ||
2291 | return 0; | |
2292 | } | |
a637a114 LM |
2293 | #endif |
2294 | ||
2295 | static void vino_skip_frame(struct vino_channel_settings *vcs) | |
2296 | { | |
2297 | struct vino_framebuffer *fb; | |
2298 | unsigned long flags; | |
2299 | unsigned int id; | |
2300 | ||
2301 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2302 | fb = vino_queue_peek(&vcs->fb_queue, &id); | |
2303 | if (!fb) { | |
2304 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2305 | dprintk("vino_skip_frame(): vino_queue_peek() failed!\n"); | |
2306 | return; | |
2307 | } | |
2308 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2309 | ||
2310 | spin_lock_irqsave(&fb->state_lock, flags); | |
2311 | fb->state = VINO_FRAMEBUFFER_UNUSED; | |
2312 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2313 | ||
2314 | vino_capture_next(vcs, 0); | |
2315 | } | |
d203a7ec | 2316 | |
a637a114 | 2317 | static void vino_frame_done(struct vino_channel_settings *vcs) |
d203a7ec RB |
2318 | { |
2319 | struct vino_framebuffer *fb; | |
2320 | unsigned long flags; | |
2321 | ||
2322 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2323 | fb = vino_queue_transfer(&vcs->fb_queue); | |
2324 | if (!fb) { | |
2325 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2326 | dprintk("vino_frame_done(): vino_queue_transfer() failed!\n"); | |
2327 | return; | |
2328 | } | |
2329 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2330 | ||
a637a114 LM |
2331 | fb->frame_counter = vcs->int_data.frame_counter; |
2332 | memcpy(&fb->timestamp, &vcs->int_data.timestamp, | |
2333 | sizeof(struct timeval)); | |
d203a7ec RB |
2334 | |
2335 | spin_lock_irqsave(&fb->state_lock, flags); | |
2336 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) | |
2337 | fb->state = VINO_FRAMEBUFFER_READY; | |
2338 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2339 | ||
2340 | wake_up(&vcs->fb_queue.frame_wait_queue); | |
2341 | ||
2342 | vino_capture_next(vcs, 0); | |
2343 | } | |
2344 | ||
a637a114 LM |
2345 | static void vino_capture_tasklet(unsigned long channel) { |
2346 | struct vino_channel_settings *vcs; | |
2347 | ||
2348 | vcs = (channel == VINO_CHANNEL_A) | |
2349 | ? &vino_drvdata->a : &vino_drvdata->b; | |
2350 | ||
2351 | if (vcs->int_data.skip) | |
2352 | vcs->int_data.skip_count++; | |
2353 | ||
2354 | if (vcs->int_data.skip && (vcs->int_data.skip_count | |
2355 | <= VINO_MAX_FRAME_SKIP_COUNT)) { | |
2356 | vino_skip_frame(vcs); | |
2357 | } else { | |
2358 | vcs->int_data.skip_count = 0; | |
2359 | vino_frame_done(vcs); | |
2360 | } | |
2361 | } | |
2362 | ||
7d12e780 | 2363 | static irqreturn_t vino_interrupt(int irq, void *dev_id) |
d203a7ec | 2364 | { |
a637a114 | 2365 | u32 ctrl, intr; |
d203a7ec | 2366 | unsigned int fc_a, fc_b; |
a637a114 LM |
2367 | int handled_a = 0, skip_a = 0, done_a = 0; |
2368 | int handled_b = 0, skip_b = 0, done_b = 0; | |
2369 | ||
2370 | #ifdef VINO_DEBUG_INT | |
2371 | int loop = 0; | |
2372 | unsigned int line_count = vino->a.line_count, | |
2373 | page_index = vino->a.page_index, | |
2374 | field_counter = vino->a.field_counter, | |
2375 | start_desc_tbl = vino->a.start_desc_tbl, | |
2376 | next_4_desc = vino->a.next_4_desc; | |
2377 | unsigned int line_count_2, | |
2378 | page_index_2, | |
2379 | field_counter_2, | |
2380 | start_desc_tbl_2, | |
2381 | next_4_desc_2; | |
2382 | #endif | |
d203a7ec RB |
2383 | |
2384 | spin_lock(&vino_drvdata->vino_lock); | |
2385 | ||
a637a114 LM |
2386 | while ((intr = vino->intr_status)) { |
2387 | fc_a = vino->a.field_counter >> 1; | |
2388 | fc_b = vino->b.field_counter >> 1; | |
2389 | ||
2390 | /* handle error-interrupts in some special way ? | |
2391 | * --> skips frames */ | |
2392 | if (intr & VINO_INTSTAT_A) { | |
2393 | if (intr & VINO_INTSTAT_A_EOF) { | |
2394 | vino_drvdata->a.field++; | |
2395 | if (vino_drvdata->a.field > 1) { | |
2396 | vino_dma_stop(&vino_drvdata->a); | |
2397 | vino_clear_interrupt(&vino_drvdata->a); | |
2398 | vino_drvdata->a.field = 0; | |
2399 | done_a = 1; | |
2400 | } else { | |
2401 | if (vino->a.page_index | |
2402 | != vino_drvdata->a.line_size) { | |
2403 | vino->a.line_count = 0; | |
2404 | vino->a.page_index = | |
2405 | vino_drvdata-> | |
2406 | a.line_size; | |
2407 | vino->a.next_4_desc = | |
2408 | vino->a.start_desc_tbl; | |
2409 | } | |
2410 | } | |
2411 | dprintk("channel A end-of-field " | |
2412 | "interrupt: %04x\n", intr); | |
2413 | } else { | |
d203a7ec RB |
2414 | vino_dma_stop(&vino_drvdata->a); |
2415 | vino_clear_interrupt(&vino_drvdata->a); | |
2416 | vino_drvdata->a.field = 0; | |
a637a114 LM |
2417 | skip_a = 1; |
2418 | dprintk("channel A error interrupt: %04x\n", | |
2419 | intr); | |
d203a7ec | 2420 | } |
a637a114 LM |
2421 | |
2422 | #ifdef VINO_DEBUG_INT | |
2423 | line_count_2 = vino->a.line_count; | |
2424 | page_index_2 = vino->a.page_index; | |
2425 | field_counter_2 = vino->a.field_counter; | |
2426 | start_desc_tbl_2 = vino->a.start_desc_tbl; | |
2427 | next_4_desc_2 = vino->a.next_4_desc; | |
2428 | ||
2429 | printk("intr = %04x, loop = %d, field = %d\n", | |
2430 | intr, loop, vino_drvdata->a.field); | |
2431 | printk("1- line count = %04d, page index = %04d, " | |
2432 | "start = %08x, next = %08x\n" | |
2433 | " fieldc = %d, framec = %d\n", | |
2434 | line_count, page_index, start_desc_tbl, | |
2435 | next_4_desc, field_counter, fc_a); | |
2436 | printk("12-line count = %04d, page index = %04d, " | |
2437 | " start = %08x, next = %08x\n", | |
2438 | line_count_2, page_index_2, start_desc_tbl_2, | |
2439 | next_4_desc_2); | |
2440 | ||
2441 | if (done_a) | |
2442 | printk("\n"); | |
2443 | #endif | |
d203a7ec | 2444 | } |
a637a114 LM |
2445 | |
2446 | if (intr & VINO_INTSTAT_B) { | |
2447 | if (intr & VINO_INTSTAT_B_EOF) { | |
2448 | vino_drvdata->b.field++; | |
2449 | if (vino_drvdata->b.field > 1) { | |
2450 | vino_dma_stop(&vino_drvdata->b); | |
2451 | vino_clear_interrupt(&vino_drvdata->b); | |
2452 | vino_drvdata->b.field = 0; | |
2453 | done_b = 1; | |
2454 | } | |
2455 | dprintk("channel B end-of-field " | |
2456 | "interrupt: %04x\n", intr); | |
2457 | } else { | |
d203a7ec RB |
2458 | vino_dma_stop(&vino_drvdata->b); |
2459 | vino_clear_interrupt(&vino_drvdata->b); | |
2460 | vino_drvdata->b.field = 0; | |
a637a114 LM |
2461 | skip_b = 1; |
2462 | dprintk("channel B error interrupt: %04x\n", | |
2463 | intr); | |
d203a7ec | 2464 | } |
d203a7ec | 2465 | } |
d203a7ec | 2466 | |
a637a114 LM |
2467 | /* Always remember to clear interrupt status. |
2468 | * Disable VINO interrupts while we do this. */ | |
2469 | ctrl = vino->control; | |
2470 | vino->control = ctrl & ~(VINO_CTRL_A_INT | VINO_CTRL_B_INT); | |
2471 | vino->intr_status = ~intr; | |
2472 | vino->control = ctrl; | |
d203a7ec | 2473 | |
a637a114 | 2474 | spin_unlock(&vino_drvdata->vino_lock); |
d203a7ec | 2475 | |
a637a114 LM |
2476 | if ((!handled_a) && (done_a || skip_a)) { |
2477 | if (!skip_a) { | |
2478 | do_gettimeofday(&vino_drvdata-> | |
2479 | a.int_data.timestamp); | |
2480 | vino_drvdata->a.int_data.frame_counter = fc_a; | |
2481 | } | |
2482 | vino_drvdata->a.int_data.skip = skip_a; | |
2483 | ||
2484 | dprintk("channel A %s, interrupt: %d\n", | |
2485 | skip_a ? "skipping frame" : "frame done", | |
2486 | intr); | |
2487 | tasklet_hi_schedule(&vino_tasklet_a); | |
2488 | handled_a = 1; | |
2489 | } | |
2490 | ||
2491 | if ((!handled_b) && (done_b || skip_b)) { | |
2492 | if (!skip_b) { | |
2493 | do_gettimeofday(&vino_drvdata-> | |
2494 | b.int_data.timestamp); | |
2495 | vino_drvdata->b.int_data.frame_counter = fc_b; | |
2496 | } | |
2497 | vino_drvdata->b.int_data.skip = skip_b; | |
2498 | ||
2499 | dprintk("channel B %s, interrupt: %d\n", | |
2500 | skip_b ? "skipping frame" : "frame done", | |
2501 | intr); | |
2502 | tasklet_hi_schedule(&vino_tasklet_b); | |
2503 | handled_b = 1; | |
2504 | } | |
2505 | ||
2506 | #ifdef VINO_DEBUG_INT | |
2507 | loop++; | |
2508 | #endif | |
2509 | spin_lock(&vino_drvdata->vino_lock); | |
d203a7ec RB |
2510 | } |
2511 | ||
a637a114 LM |
2512 | spin_unlock(&vino_drvdata->vino_lock); |
2513 | ||
d203a7ec RB |
2514 | return IRQ_HANDLED; |
2515 | } | |
2516 | ||
2517 | /* VINO video input management */ | |
2518 | ||
2519 | static int vino_get_saa7191_input(int input) | |
2520 | { | |
2521 | switch (input) { | |
2522 | case VINO_INPUT_COMPOSITE: | |
2523 | return SAA7191_INPUT_COMPOSITE; | |
2524 | case VINO_INPUT_SVIDEO: | |
2525 | return SAA7191_INPUT_SVIDEO; | |
2526 | default: | |
2527 | printk(KERN_ERR "VINO: vino_get_saa7191_input(): " | |
2528 | "invalid input!\n"); | |
2529 | return -1; | |
2530 | } | |
2531 | } | |
2532 | ||
d203a7ec RB |
2533 | /* execute with input_lock locked */ |
2534 | static int vino_is_input_owner(struct vino_channel_settings *vcs) | |
2535 | { | |
2536 | switch(vcs->input) { | |
2537 | case VINO_INPUT_COMPOSITE: | |
2538 | case VINO_INPUT_SVIDEO: | |
48f4dacb | 2539 | return vino_drvdata->decoder_owner == vcs->channel; |
d203a7ec | 2540 | case VINO_INPUT_D1: |
48f4dacb | 2541 | return vino_drvdata->camera_owner == vcs->channel; |
d203a7ec RB |
2542 | default: |
2543 | return 0; | |
2544 | } | |
2545 | } | |
2546 | ||
2547 | static int vino_acquire_input(struct vino_channel_settings *vcs) | |
2548 | { | |
a637a114 | 2549 | unsigned long flags; |
d203a7ec RB |
2550 | int ret = 0; |
2551 | ||
2552 | dprintk("vino_acquire_input():\n"); | |
2553 | ||
a637a114 | 2554 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2555 | |
2556 | /* First try D1 and then SAA7191 */ | |
48f4dacb HV |
2557 | if (vino_drvdata->camera |
2558 | && (vino_drvdata->camera_owner == VINO_NO_CHANNEL)) { | |
2559 | vino_drvdata->camera_owner = vcs->channel; | |
d203a7ec RB |
2560 | vcs->input = VINO_INPUT_D1; |
2561 | vcs->data_norm = VINO_DATA_NORM_D1; | |
48f4dacb HV |
2562 | } else if (vino_drvdata->decoder |
2563 | && (vino_drvdata->decoder_owner == VINO_NO_CHANNEL)) { | |
cf4e9484 HV |
2564 | int input; |
2565 | int data_norm; | |
2566 | v4l2_std_id norm; | |
d203a7ec | 2567 | |
a637a114 LM |
2568 | input = VINO_INPUT_COMPOSITE; |
2569 | ||
5325b427 HV |
2570 | ret = decoder_call(video, s_routing, |
2571 | vino_get_saa7191_input(input), 0, 0); | |
a637a114 LM |
2572 | if (ret) { |
2573 | ret = -EINVAL; | |
2574 | goto out; | |
2575 | } | |
2576 | ||
2577 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec | 2578 | |
a637a114 LM |
2579 | /* Don't hold spinlocks while auto-detecting norm |
2580 | * as it may take a while... */ | |
d203a7ec | 2581 | |
48f4dacb | 2582 | ret = decoder_call(video, querystd, &norm); |
cf4e9484 HV |
2583 | if (!ret) { |
2584 | for (data_norm = 0; data_norm < 3; data_norm++) { | |
2585 | if (vino_data_norms[data_norm].std & norm) | |
2586 | break; | |
2587 | } | |
2588 | if (data_norm == 3) | |
2589 | data_norm = VINO_DATA_NORM_PAL; | |
f41737ec | 2590 | ret = decoder_call(core, s_std, norm); |
a637a114 LM |
2591 | } |
2592 | ||
2593 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); | |
2594 | ||
2595 | if (ret) { | |
2596 | ret = -EINVAL; | |
2597 | goto out; | |
2598 | } | |
2599 | ||
48f4dacb | 2600 | vino_drvdata->decoder_owner = vcs->channel; |
a637a114 LM |
2601 | |
2602 | vcs->input = input; | |
2603 | vcs->data_norm = data_norm; | |
d203a7ec RB |
2604 | } else { |
2605 | vcs->input = (vcs->channel == VINO_CHANNEL_A) ? | |
2606 | vino_drvdata->b.input : vino_drvdata->a.input; | |
2607 | vcs->data_norm = (vcs->channel == VINO_CHANNEL_A) ? | |
2608 | vino_drvdata->b.data_norm : vino_drvdata->a.data_norm; | |
2609 | } | |
2610 | ||
2611 | if (vcs->input == VINO_INPUT_NONE) { | |
2612 | ret = -ENODEV; | |
2613 | goto out; | |
2614 | } | |
2615 | ||
a637a114 LM |
2616 | vino_set_default_clipping(vcs); |
2617 | vino_set_default_scaling(vcs); | |
2618 | vino_set_default_framerate(vcs); | |
d203a7ec RB |
2619 | |
2620 | dprintk("vino_acquire_input(): %s\n", vino_inputs[vcs->input].name); | |
2621 | ||
2622 | out: | |
a637a114 | 2623 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2624 | |
2625 | return ret; | |
2626 | } | |
2627 | ||
2628 | static int vino_set_input(struct vino_channel_settings *vcs, int input) | |
2629 | { | |
2630 | struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? | |
2631 | &vino_drvdata->b : &vino_drvdata->a; | |
a637a114 | 2632 | unsigned long flags; |
d203a7ec RB |
2633 | int ret = 0; |
2634 | ||
2635 | dprintk("vino_set_input():\n"); | |
2636 | ||
a637a114 | 2637 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2638 | |
2639 | if (vcs->input == input) | |
2640 | goto out; | |
2641 | ||
a637a114 | 2642 | switch (input) { |
d203a7ec RB |
2643 | case VINO_INPUT_COMPOSITE: |
2644 | case VINO_INPUT_SVIDEO: | |
48f4dacb | 2645 | if (!vino_drvdata->decoder) { |
d203a7ec RB |
2646 | ret = -EINVAL; |
2647 | goto out; | |
2648 | } | |
2649 | ||
48f4dacb HV |
2650 | if (vino_drvdata->decoder_owner == VINO_NO_CHANNEL) { |
2651 | vino_drvdata->decoder_owner = vcs->channel; | |
d203a7ec RB |
2652 | } |
2653 | ||
48f4dacb | 2654 | if (vino_drvdata->decoder_owner == vcs->channel) { |
a637a114 | 2655 | int data_norm; |
cf4e9484 | 2656 | v4l2_std_id norm; |
d203a7ec | 2657 | |
5325b427 HV |
2658 | ret = decoder_call(video, s_routing, |
2659 | vino_get_saa7191_input(input), 0, 0); | |
a637a114 | 2660 | if (ret) { |
48f4dacb | 2661 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
a637a114 LM |
2662 | ret = -EINVAL; |
2663 | goto out; | |
2664 | } | |
2665 | ||
2666 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
2667 | ||
2668 | /* Don't hold spinlocks while auto-detecting norm | |
2669 | * as it may take a while... */ | |
2670 | ||
48f4dacb | 2671 | ret = decoder_call(video, querystd, &norm); |
cf4e9484 HV |
2672 | if (!ret) { |
2673 | for (data_norm = 0; data_norm < 3; data_norm++) { | |
2674 | if (vino_data_norms[data_norm].std & norm) | |
2675 | break; | |
2676 | } | |
2677 | if (data_norm == 3) | |
2678 | data_norm = VINO_DATA_NORM_PAL; | |
f41737ec | 2679 | ret = decoder_call(core, s_std, norm); |
a637a114 | 2680 | } |
d203a7ec | 2681 | |
a637a114 LM |
2682 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
2683 | ||
2684 | if (ret) { | |
48f4dacb | 2685 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
a637a114 LM |
2686 | ret = -EINVAL; |
2687 | goto out; | |
2688 | } | |
2689 | ||
2690 | vcs->input = input; | |
2691 | vcs->data_norm = data_norm; | |
d203a7ec | 2692 | } else { |
a637a114 | 2693 | if (input != vcs2->input) { |
d203a7ec RB |
2694 | ret = -EBUSY; |
2695 | goto out; | |
2696 | } | |
2697 | ||
2698 | vcs->input = input; | |
2699 | vcs->data_norm = vcs2->data_norm; | |
2700 | } | |
2701 | ||
48f4dacb | 2702 | if (vino_drvdata->camera_owner == vcs->channel) { |
d203a7ec RB |
2703 | /* Transfer the ownership or release the input */ |
2704 | if (vcs2->input == VINO_INPUT_D1) { | |
48f4dacb | 2705 | vino_drvdata->camera_owner = vcs2->channel; |
d203a7ec | 2706 | } else { |
48f4dacb | 2707 | vino_drvdata->camera_owner = VINO_NO_CHANNEL; |
d203a7ec RB |
2708 | } |
2709 | } | |
2710 | break; | |
2711 | case VINO_INPUT_D1: | |
48f4dacb | 2712 | if (!vino_drvdata->camera) { |
d203a7ec RB |
2713 | ret = -EINVAL; |
2714 | goto out; | |
2715 | } | |
2716 | ||
48f4dacb HV |
2717 | if (vino_drvdata->camera_owner == VINO_NO_CHANNEL) |
2718 | vino_drvdata->camera_owner = vcs->channel; | |
d203a7ec | 2719 | |
48f4dacb | 2720 | if (vino_drvdata->decoder_owner == vcs->channel) { |
d203a7ec RB |
2721 | /* Transfer the ownership or release the input */ |
2722 | if ((vcs2->input == VINO_INPUT_COMPOSITE) || | |
2723 | (vcs2->input == VINO_INPUT_SVIDEO)) { | |
48f4dacb | 2724 | vino_drvdata->decoder_owner = vcs2->channel; |
d203a7ec | 2725 | } else { |
48f4dacb | 2726 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
d203a7ec RB |
2727 | } |
2728 | } | |
2729 | ||
2730 | vcs->input = input; | |
2731 | vcs->data_norm = VINO_DATA_NORM_D1; | |
2732 | break; | |
2733 | default: | |
2734 | ret = -EINVAL; | |
2735 | goto out; | |
2736 | } | |
2737 | ||
2738 | vino_set_default_clipping(vcs); | |
a637a114 | 2739 | vino_set_default_scaling(vcs); |
d203a7ec RB |
2740 | vino_set_default_framerate(vcs); |
2741 | ||
2742 | dprintk("vino_set_input(): %s\n", vino_inputs[vcs->input].name); | |
2743 | ||
2744 | out: | |
a637a114 | 2745 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2746 | |
2747 | return ret; | |
2748 | } | |
2749 | ||
2750 | static void vino_release_input(struct vino_channel_settings *vcs) | |
2751 | { | |
2752 | struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? | |
2753 | &vino_drvdata->b : &vino_drvdata->a; | |
a637a114 | 2754 | unsigned long flags; |
d203a7ec RB |
2755 | |
2756 | dprintk("vino_release_input():\n"); | |
2757 | ||
a637a114 | 2758 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2759 | |
2760 | /* Release ownership of the channel | |
2761 | * and if the other channel takes input from | |
2762 | * the same source, transfer the ownership */ | |
48f4dacb | 2763 | if (vino_drvdata->camera_owner == vcs->channel) { |
d203a7ec | 2764 | if (vcs2->input == VINO_INPUT_D1) { |
48f4dacb | 2765 | vino_drvdata->camera_owner = vcs2->channel; |
d203a7ec | 2766 | } else { |
48f4dacb | 2767 | vino_drvdata->camera_owner = VINO_NO_CHANNEL; |
d203a7ec | 2768 | } |
48f4dacb | 2769 | } else if (vino_drvdata->decoder_owner == vcs->channel) { |
d203a7ec RB |
2770 | if ((vcs2->input == VINO_INPUT_COMPOSITE) || |
2771 | (vcs2->input == VINO_INPUT_SVIDEO)) { | |
48f4dacb | 2772 | vino_drvdata->decoder_owner = vcs2->channel; |
d203a7ec | 2773 | } else { |
48f4dacb | 2774 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
d203a7ec RB |
2775 | } |
2776 | } | |
2777 | vcs->input = VINO_INPUT_NONE; | |
2778 | ||
a637a114 | 2779 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2780 | } |
2781 | ||
2782 | /* execute with input_lock locked */ | |
2783 | static int vino_set_data_norm(struct vino_channel_settings *vcs, | |
a637a114 LM |
2784 | unsigned int data_norm, |
2785 | unsigned long *flags) | |
d203a7ec | 2786 | { |
a637a114 LM |
2787 | int err = 0; |
2788 | ||
2789 | if (data_norm == vcs->data_norm) | |
2790 | return 0; | |
d203a7ec RB |
2791 | |
2792 | switch (vcs->input) { | |
2793 | case VINO_INPUT_D1: | |
2794 | /* only one "norm" supported */ | |
cf4e9484 | 2795 | if (data_norm != VINO_DATA_NORM_D1) |
d203a7ec RB |
2796 | return -EINVAL; |
2797 | break; | |
2798 | case VINO_INPUT_COMPOSITE: | |
a637a114 | 2799 | case VINO_INPUT_SVIDEO: { |
cf4e9484 HV |
2800 | v4l2_std_id norm; |
2801 | ||
a637a114 LM |
2802 | if ((data_norm != VINO_DATA_NORM_PAL) |
2803 | && (data_norm != VINO_DATA_NORM_NTSC) | |
cf4e9484 | 2804 | && (data_norm != VINO_DATA_NORM_SECAM)) |
a637a114 | 2805 | return -EINVAL; |
d203a7ec | 2806 | |
a637a114 LM |
2807 | spin_unlock_irqrestore(&vino_drvdata->input_lock, *flags); |
2808 | ||
2809 | /* Don't hold spinlocks while setting norm | |
2810 | * as it may take a while... */ | |
2811 | ||
cf4e9484 | 2812 | norm = vino_data_norms[data_norm].std; |
f41737ec | 2813 | err = decoder_call(core, s_std, norm); |
a637a114 LM |
2814 | |
2815 | spin_lock_irqsave(&vino_drvdata->input_lock, *flags); | |
2816 | ||
2817 | if (err) | |
2818 | goto out; | |
d203a7ec | 2819 | |
d203a7ec | 2820 | vcs->data_norm = data_norm; |
a637a114 LM |
2821 | |
2822 | vino_set_default_clipping(vcs); | |
2823 | vino_set_default_scaling(vcs); | |
2824 | vino_set_default_framerate(vcs); | |
d203a7ec | 2825 | break; |
a637a114 | 2826 | } |
d203a7ec RB |
2827 | default: |
2828 | return -EINVAL; | |
2829 | } | |
2830 | ||
a637a114 LM |
2831 | out: |
2832 | return err; | |
d203a7ec RB |
2833 | } |
2834 | ||
2835 | /* V4L2 helper functions */ | |
2836 | ||
2837 | static int vino_find_data_format(__u32 pixelformat) | |
2838 | { | |
2839 | int i; | |
2840 | ||
2841 | for (i = 0; i < VINO_DATA_FMT_COUNT; i++) { | |
2842 | if (vino_data_formats[i].pixelformat == pixelformat) | |
2843 | return i; | |
2844 | } | |
2845 | ||
2846 | return VINO_DATA_FMT_NONE; | |
2847 | } | |
2848 | ||
c49cb361 | 2849 | static int vino_int_enum_input(struct vino_channel_settings *vcs, __u32 index) |
d203a7ec RB |
2850 | { |
2851 | int input = VINO_INPUT_NONE; | |
a637a114 | 2852 | unsigned long flags; |
d203a7ec | 2853 | |
a637a114 | 2854 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
48f4dacb | 2855 | if (vino_drvdata->decoder && vino_drvdata->camera) { |
d203a7ec RB |
2856 | switch (index) { |
2857 | case 0: | |
2858 | input = VINO_INPUT_COMPOSITE; | |
2859 | break; | |
2860 | case 1: | |
2861 | input = VINO_INPUT_SVIDEO; | |
2862 | break; | |
2863 | case 2: | |
2864 | input = VINO_INPUT_D1; | |
2865 | break; | |
2866 | } | |
48f4dacb | 2867 | } else if (vino_drvdata->decoder) { |
d203a7ec RB |
2868 | switch (index) { |
2869 | case 0: | |
2870 | input = VINO_INPUT_COMPOSITE; | |
2871 | break; | |
2872 | case 1: | |
2873 | input = VINO_INPUT_SVIDEO; | |
2874 | break; | |
2875 | } | |
48f4dacb | 2876 | } else if (vino_drvdata->camera) { |
d203a7ec RB |
2877 | switch (index) { |
2878 | case 0: | |
2879 | input = VINO_INPUT_D1; | |
2880 | break; | |
2881 | } | |
2882 | } | |
a637a114 | 2883 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2884 | |
2885 | return input; | |
2886 | } | |
2887 | ||
2888 | /* execute with input_lock locked */ | |
2889 | static __u32 vino_find_input_index(struct vino_channel_settings *vcs) | |
2890 | { | |
2891 | __u32 index = 0; | |
2892 | // FIXME: detect when no inputs available | |
2893 | ||
48f4dacb | 2894 | if (vino_drvdata->decoder && vino_drvdata->camera) { |
d203a7ec RB |
2895 | switch (vcs->input) { |
2896 | case VINO_INPUT_COMPOSITE: | |
2897 | index = 0; | |
2898 | break; | |
2899 | case VINO_INPUT_SVIDEO: | |
2900 | index = 1; | |
2901 | break; | |
2902 | case VINO_INPUT_D1: | |
2903 | index = 2; | |
2904 | break; | |
2905 | } | |
48f4dacb | 2906 | } else if (vino_drvdata->decoder) { |
d203a7ec RB |
2907 | switch (vcs->input) { |
2908 | case VINO_INPUT_COMPOSITE: | |
2909 | index = 0; | |
2910 | break; | |
2911 | case VINO_INPUT_SVIDEO: | |
2912 | index = 1; | |
2913 | break; | |
2914 | } | |
48f4dacb | 2915 | } else if (vino_drvdata->camera) { |
d203a7ec RB |
2916 | switch (vcs->input) { |
2917 | case VINO_INPUT_D1: | |
2918 | index = 0; | |
2919 | break; | |
2920 | } | |
2921 | } | |
2922 | ||
2923 | return index; | |
2924 | } | |
2925 | ||
2926 | /* V4L2 ioctls */ | |
2927 | ||
c49cb361 HV |
2928 | static int vino_querycap(struct file *file, void *__fh, |
2929 | struct v4l2_capability *cap) | |
d203a7ec RB |
2930 | { |
2931 | memset(cap, 0, sizeof(struct v4l2_capability)); | |
2932 | ||
2933 | strcpy(cap->driver, vino_driver_name); | |
2934 | strcpy(cap->card, vino_driver_description); | |
2935 | strcpy(cap->bus_info, vino_bus_name); | |
2936 | cap->version = VINO_VERSION_CODE; | |
2937 | cap->capabilities = | |
2938 | V4L2_CAP_VIDEO_CAPTURE | | |
2939 | V4L2_CAP_STREAMING; | |
2940 | // V4L2_CAP_OVERLAY, V4L2_CAP_READWRITE | |
c49cb361 | 2941 | return 0; |
d203a7ec RB |
2942 | } |
2943 | ||
c49cb361 | 2944 | static int vino_enum_input(struct file *file, void *__fh, |
d203a7ec RB |
2945 | struct v4l2_input *i) |
2946 | { | |
c49cb361 | 2947 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
2948 | __u32 index = i->index; |
2949 | int input; | |
2950 | dprintk("requested index = %d\n", index); | |
2951 | ||
c49cb361 | 2952 | input = vino_int_enum_input(vcs, index); |
d203a7ec RB |
2953 | if (input == VINO_INPUT_NONE) |
2954 | return -EINVAL; | |
2955 | ||
2956 | memset(i, 0, sizeof(struct v4l2_input)); | |
2957 | ||
2958 | i->index = index; | |
2959 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
2960 | i->std = vino_inputs[input].std; | |
2961 | strcpy(i->name, vino_inputs[input].name); | |
2962 | ||
cf4e9484 | 2963 | if (input == VINO_INPUT_COMPOSITE || input == VINO_INPUT_SVIDEO) |
48f4dacb | 2964 | decoder_call(video, g_input_status, &i->status); |
d203a7ec RB |
2965 | return 0; |
2966 | } | |
2967 | ||
c49cb361 | 2968 | static int vino_g_input(struct file *file, void *__fh, |
a637a114 | 2969 | unsigned int *i) |
d203a7ec | 2970 | { |
c49cb361 | 2971 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
2972 | __u32 index; |
2973 | int input; | |
a637a114 | 2974 | unsigned long flags; |
d203a7ec | 2975 | |
a637a114 | 2976 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2977 | input = vcs->input; |
2978 | index = vino_find_input_index(vcs); | |
a637a114 | 2979 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2980 | |
2981 | dprintk("input = %d\n", input); | |
2982 | ||
2983 | if (input == VINO_INPUT_NONE) { | |
2984 | return -EINVAL; | |
2985 | } | |
2986 | ||
a637a114 | 2987 | *i = index; |
d203a7ec RB |
2988 | |
2989 | return 0; | |
2990 | } | |
2991 | ||
c49cb361 HV |
2992 | static int vino_s_input(struct file *file, void *__fh, |
2993 | unsigned int i) | |
d203a7ec | 2994 | { |
c49cb361 | 2995 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 2996 | int input; |
c49cb361 | 2997 | dprintk("requested input = %d\n", i); |
d203a7ec | 2998 | |
c49cb361 | 2999 | input = vino_int_enum_input(vcs, i); |
d203a7ec RB |
3000 | if (input == VINO_INPUT_NONE) |
3001 | return -EINVAL; | |
3002 | ||
3003 | return vino_set_input(vcs, input); | |
3004 | } | |
3005 | ||
c49cb361 | 3006 | static int vino_querystd(struct file *file, void *__fh, |
a637a114 LM |
3007 | v4l2_std_id *std) |
3008 | { | |
c49cb361 | 3009 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3010 | unsigned long flags; |
3011 | int err = 0; | |
3012 | ||
3013 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); | |
3014 | ||
3015 | switch (vcs->input) { | |
3016 | case VINO_INPUT_D1: | |
3017 | *std = vino_inputs[vcs->input].std; | |
3018 | break; | |
3019 | case VINO_INPUT_COMPOSITE: | |
3020 | case VINO_INPUT_SVIDEO: { | |
48f4dacb | 3021 | decoder_call(video, querystd, std); |
a637a114 LM |
3022 | break; |
3023 | } | |
3024 | default: | |
3025 | err = -EINVAL; | |
3026 | } | |
3027 | ||
3028 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
3029 | ||
3030 | return err; | |
3031 | } | |
3032 | ||
c49cb361 | 3033 | static int vino_g_std(struct file *file, void *__fh, |
d203a7ec RB |
3034 | v4l2_std_id *std) |
3035 | { | |
c49cb361 | 3036 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3037 | unsigned long flags; |
3038 | ||
3039 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); | |
3040 | ||
d203a7ec | 3041 | *std = vino_data_norms[vcs->data_norm].std; |
a637a114 LM |
3042 | dprintk("current standard = %d\n", vcs->data_norm); |
3043 | ||
3044 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3045 | |
3046 | return 0; | |
3047 | } | |
3048 | ||
c49cb361 | 3049 | static int vino_s_std(struct file *file, void *__fh, |
d203a7ec RB |
3050 | v4l2_std_id *std) |
3051 | { | |
c49cb361 | 3052 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3053 | unsigned long flags; |
d203a7ec RB |
3054 | int ret = 0; |
3055 | ||
a637a114 LM |
3056 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3057 | ||
3058 | if (!vino_is_input_owner(vcs)) { | |
3059 | ret = -EBUSY; | |
3060 | goto out; | |
3061 | } | |
d203a7ec RB |
3062 | |
3063 | /* check if the standard is valid for the current input */ | |
a637a114 | 3064 | if ((*std) & vino_inputs[vcs->input].std) { |
d203a7ec RB |
3065 | dprintk("standard accepted\n"); |
3066 | ||
3067 | /* change the video norm for SAA7191 | |
3068 | * and accept NTSC for D1 (do nothing) */ | |
3069 | ||
3070 | if (vcs->input == VINO_INPUT_D1) | |
3071 | goto out; | |
3072 | ||
cf4e9484 | 3073 | if ((*std) & V4L2_STD_PAL) { |
a637a114 LM |
3074 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_PAL, |
3075 | &flags); | |
d203a7ec | 3076 | } else if ((*std) & V4L2_STD_NTSC) { |
a637a114 LM |
3077 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC, |
3078 | &flags); | |
d203a7ec | 3079 | } else if ((*std) & V4L2_STD_SECAM) { |
a637a114 LM |
3080 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM, |
3081 | &flags); | |
d203a7ec RB |
3082 | } else { |
3083 | ret = -EINVAL; | |
3084 | } | |
a637a114 LM |
3085 | |
3086 | if (ret) { | |
3087 | ret = -EINVAL; | |
3088 | } | |
d203a7ec RB |
3089 | } else { |
3090 | ret = -EINVAL; | |
3091 | } | |
3092 | ||
3093 | out: | |
a637a114 | 3094 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3095 | |
3096 | return ret; | |
3097 | } | |
3098 | ||
c49cb361 | 3099 | static int vino_enum_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3100 | struct v4l2_fmtdesc *fd) |
3101 | { | |
4f5a7444 | 3102 | dprintk("format index = %d\n", fd->index); |
c49cb361 | 3103 | |
4f5a7444 | 3104 | if (fd->index >= VINO_DATA_FMT_COUNT) |
d203a7ec | 3105 | return -EINVAL; |
4f5a7444 TP |
3106 | dprintk("format name = %s\n", vino_data_formats[fd->index].description); |
3107 | ||
3108 | fd->pixelformat = vino_data_formats[fd->index].pixelformat; | |
3109 | strcpy(fd->description, vino_data_formats[fd->index].description); | |
d203a7ec RB |
3110 | return 0; |
3111 | } | |
3112 | ||
c49cb361 | 3113 | static int vino_try_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3114 | struct v4l2_format *f) |
3115 | { | |
c49cb361 | 3116 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 3117 | struct vino_channel_settings tempvcs; |
a637a114 | 3118 | unsigned long flags; |
c49cb361 | 3119 | struct v4l2_pix_format *pf = &f->fmt.pix; |
d203a7ec | 3120 | |
c49cb361 HV |
3121 | dprintk("requested: w = %d, h = %d\n", |
3122 | pf->width, pf->height); | |
d203a7ec | 3123 | |
c49cb361 HV |
3124 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3125 | memcpy(&tempvcs, vcs, sizeof(struct vino_channel_settings)); | |
3126 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec | 3127 | |
c49cb361 HV |
3128 | tempvcs.data_format = vino_find_data_format(pf->pixelformat); |
3129 | if (tempvcs.data_format == VINO_DATA_FMT_NONE) { | |
3130 | tempvcs.data_format = VINO_DATA_FMT_GREY; | |
3131 | pf->pixelformat = | |
3132 | vino_data_formats[tempvcs.data_format]. | |
3133 | pixelformat; | |
3134 | } | |
d203a7ec | 3135 | |
c49cb361 HV |
3136 | /* data format must be set before clipping/scaling */ |
3137 | vino_set_scaling(&tempvcs, pf->width, pf->height); | |
d203a7ec | 3138 | |
c49cb361 HV |
3139 | dprintk("data format = %s\n", |
3140 | vino_data_formats[tempvcs.data_format].description); | |
d203a7ec | 3141 | |
c49cb361 HV |
3142 | pf->width = (tempvcs.clipping.right - tempvcs.clipping.left) / |
3143 | tempvcs.decimation; | |
3144 | pf->height = (tempvcs.clipping.bottom - tempvcs.clipping.top) / | |
3145 | tempvcs.decimation; | |
d203a7ec | 3146 | |
c49cb361 HV |
3147 | pf->field = V4L2_FIELD_INTERLACED; |
3148 | pf->bytesperline = tempvcs.line_size; | |
3149 | pf->sizeimage = tempvcs.line_size * | |
3150 | (tempvcs.clipping.bottom - tempvcs.clipping.top) / | |
3151 | tempvcs.decimation; | |
3152 | pf->colorspace = | |
3153 | vino_data_formats[tempvcs.data_format].colorspace; | |
d203a7ec | 3154 | |
c49cb361 | 3155 | pf->priv = 0; |
d203a7ec RB |
3156 | return 0; |
3157 | } | |
3158 | ||
c49cb361 | 3159 | static int vino_g_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3160 | struct v4l2_format *f) |
3161 | { | |
c49cb361 | 3162 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3163 | unsigned long flags; |
c49cb361 | 3164 | struct v4l2_pix_format *pf = &f->fmt.pix; |
a637a114 | 3165 | |
c49cb361 | 3166 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3167 | |
c49cb361 HV |
3168 | pf->width = (vcs->clipping.right - vcs->clipping.left) / |
3169 | vcs->decimation; | |
3170 | pf->height = (vcs->clipping.bottom - vcs->clipping.top) / | |
3171 | vcs->decimation; | |
3172 | pf->pixelformat = | |
3173 | vino_data_formats[vcs->data_format].pixelformat; | |
d203a7ec | 3174 | |
c49cb361 HV |
3175 | pf->field = V4L2_FIELD_INTERLACED; |
3176 | pf->bytesperline = vcs->line_size; | |
3177 | pf->sizeimage = vcs->line_size * | |
3178 | (vcs->clipping.bottom - vcs->clipping.top) / | |
3179 | vcs->decimation; | |
3180 | pf->colorspace = | |
3181 | vino_data_formats[vcs->data_format].colorspace; | |
d203a7ec | 3182 | |
c49cb361 | 3183 | pf->priv = 0; |
d203a7ec | 3184 | |
c49cb361 | 3185 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3186 | return 0; |
3187 | } | |
3188 | ||
c49cb361 | 3189 | static int vino_s_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3190 | struct v4l2_format *f) |
3191 | { | |
c49cb361 | 3192 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 3193 | int data_format; |
a637a114 | 3194 | unsigned long flags; |
c49cb361 | 3195 | struct v4l2_pix_format *pf = &f->fmt.pix; |
d203a7ec | 3196 | |
c49cb361 | 3197 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
a637a114 | 3198 | |
c49cb361 | 3199 | data_format = vino_find_data_format(pf->pixelformat); |
d203a7ec | 3200 | |
c49cb361 HV |
3201 | if (data_format == VINO_DATA_FMT_NONE) { |
3202 | vcs->data_format = VINO_DATA_FMT_GREY; | |
3203 | pf->pixelformat = | |
3204 | vino_data_formats[vcs->data_format]. | |
3205 | pixelformat; | |
3206 | } else { | |
3207 | vcs->data_format = data_format; | |
3208 | } | |
d203a7ec | 3209 | |
c49cb361 HV |
3210 | /* data format must be set before clipping/scaling */ |
3211 | vino_set_scaling(vcs, pf->width, pf->height); | |
d203a7ec | 3212 | |
c49cb361 HV |
3213 | dprintk("data format = %s\n", |
3214 | vino_data_formats[vcs->data_format].description); | |
d203a7ec | 3215 | |
c49cb361 HV |
3216 | pf->width = vcs->clipping.right - vcs->clipping.left; |
3217 | pf->height = vcs->clipping.bottom - vcs->clipping.top; | |
d203a7ec | 3218 | |
c49cb361 HV |
3219 | pf->field = V4L2_FIELD_INTERLACED; |
3220 | pf->bytesperline = vcs->line_size; | |
3221 | pf->sizeimage = vcs->line_size * | |
3222 | (vcs->clipping.bottom - vcs->clipping.top) / | |
3223 | vcs->decimation; | |
3224 | pf->colorspace = | |
3225 | vino_data_formats[vcs->data_format].colorspace; | |
d203a7ec | 3226 | |
c49cb361 | 3227 | pf->priv = 0; |
d203a7ec | 3228 | |
c49cb361 | 3229 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3230 | return 0; |
3231 | } | |
3232 | ||
c49cb361 | 3233 | static int vino_cropcap(struct file *file, void *__fh, |
d203a7ec RB |
3234 | struct v4l2_cropcap *ccap) |
3235 | { | |
c49cb361 | 3236 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 3237 | const struct vino_data_norm *norm; |
a637a114 | 3238 | unsigned long flags; |
d203a7ec RB |
3239 | |
3240 | switch (ccap->type) { | |
3241 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
a637a114 LM |
3242 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3243 | ||
d203a7ec | 3244 | norm = &vino_data_norms[vcs->data_norm]; |
a637a114 LM |
3245 | |
3246 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3247 | |
3248 | ccap->bounds.left = 0; | |
3249 | ccap->bounds.top = 0; | |
3250 | ccap->bounds.width = norm->width; | |
3251 | ccap->bounds.height = norm->height; | |
3252 | memcpy(&ccap->defrect, &ccap->bounds, | |
3253 | sizeof(struct v4l2_rect)); | |
3254 | ||
3255 | ccap->pixelaspect.numerator = 1; | |
3256 | ccap->pixelaspect.denominator = 1; | |
3257 | break; | |
3258 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
3259 | default: | |
3260 | return -EINVAL; | |
3261 | } | |
3262 | ||
3263 | return 0; | |
3264 | } | |
3265 | ||
c49cb361 | 3266 | static int vino_g_crop(struct file *file, void *__fh, |
d203a7ec RB |
3267 | struct v4l2_crop *c) |
3268 | { | |
c49cb361 | 3269 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3270 | unsigned long flags; |
3271 | ||
d203a7ec RB |
3272 | switch (c->type) { |
3273 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
a637a114 | 3274 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3275 | |
3276 | c->c.left = vcs->clipping.left; | |
3277 | c->c.top = vcs->clipping.top; | |
3278 | c->c.width = vcs->clipping.right - vcs->clipping.left; | |
3279 | c->c.height = vcs->clipping.bottom - vcs->clipping.top; | |
3280 | ||
a637a114 | 3281 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3282 | break; |
3283 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
3284 | default: | |
3285 | return -EINVAL; | |
3286 | } | |
3287 | ||
3288 | return 0; | |
3289 | } | |
3290 | ||
c49cb361 | 3291 | static int vino_s_crop(struct file *file, void *__fh, |
d203a7ec RB |
3292 | struct v4l2_crop *c) |
3293 | { | |
c49cb361 | 3294 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3295 | unsigned long flags; |
3296 | ||
d203a7ec RB |
3297 | switch (c->type) { |
3298 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
a637a114 | 3299 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3300 | |
d203a7ec RB |
3301 | vino_set_clipping(vcs, c->c.left, c->c.top, |
3302 | c->c.width, c->c.height); | |
3303 | ||
a637a114 | 3304 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3305 | break; |
3306 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
3307 | default: | |
3308 | return -EINVAL; | |
3309 | } | |
3310 | ||
3311 | return 0; | |
3312 | } | |
3313 | ||
c49cb361 | 3314 | static int vino_g_parm(struct file *file, void *__fh, |
d203a7ec RB |
3315 | struct v4l2_streamparm *sp) |
3316 | { | |
c49cb361 | 3317 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3318 | unsigned long flags; |
4f5a7444 | 3319 | struct v4l2_captureparm *cp = &sp->parm.capture; |
a637a114 | 3320 | |
4f5a7444 TP |
3321 | cp->capability = V4L2_CAP_TIMEPERFRAME; |
3322 | cp->timeperframe.numerator = 1; | |
d203a7ec | 3323 | |
4f5a7444 | 3324 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3325 | |
4f5a7444 | 3326 | cp->timeperframe.denominator = vcs->fps; |
a637a114 | 3327 | |
4f5a7444 | 3328 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
a637a114 | 3329 | |
4f5a7444 | 3330 | /* TODO: cp->readbuffers = xxx; */ |
d203a7ec RB |
3331 | |
3332 | return 0; | |
3333 | } | |
3334 | ||
c49cb361 | 3335 | static int vino_s_parm(struct file *file, void *__fh, |
d203a7ec RB |
3336 | struct v4l2_streamparm *sp) |
3337 | { | |
c49cb361 | 3338 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3339 | unsigned long flags; |
4f5a7444 | 3340 | struct v4l2_captureparm *cp = &sp->parm.capture; |
a637a114 | 3341 | |
4f5a7444 | 3342 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3343 | |
4f5a7444 TP |
3344 | if ((cp->timeperframe.numerator == 0) || |
3345 | (cp->timeperframe.denominator == 0)) { | |
3346 | /* reset framerate */ | |
3347 | vino_set_default_framerate(vcs); | |
3348 | } else { | |
3349 | vino_set_framerate(vcs, cp->timeperframe.denominator / | |
3350 | cp->timeperframe.numerator); | |
d203a7ec RB |
3351 | } |
3352 | ||
4f5a7444 TP |
3353 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
3354 | ||
d203a7ec RB |
3355 | return 0; |
3356 | } | |
3357 | ||
c49cb361 | 3358 | static int vino_reqbufs(struct file *file, void *__fh, |
d203a7ec RB |
3359 | struct v4l2_requestbuffers *rb) |
3360 | { | |
c49cb361 | 3361 | struct vino_channel_settings *vcs = video_drvdata(file); |
4f5a7444 | 3362 | |
d203a7ec RB |
3363 | if (vcs->reading) |
3364 | return -EBUSY; | |
3365 | ||
4f5a7444 TP |
3366 | /* TODO: check queue type */ |
3367 | if (rb->memory != V4L2_MEMORY_MMAP) { | |
3368 | dprintk("type not mmap\n"); | |
3369 | return -EINVAL; | |
3370 | } | |
d203a7ec | 3371 | |
4f5a7444 TP |
3372 | dprintk("count = %d\n", rb->count); |
3373 | if (rb->count > 0) { | |
3374 | if (vino_is_capturing(vcs)) { | |
3375 | dprintk("busy, capturing\n"); | |
3376 | return -EBUSY; | |
3377 | } | |
a637a114 | 3378 | |
4f5a7444 TP |
3379 | if (vino_queue_has_mapped_buffers(&vcs->fb_queue)) { |
3380 | dprintk("busy, buffers still mapped\n"); | |
3381 | return -EBUSY; | |
d203a7ec | 3382 | } else { |
a637a114 | 3383 | vcs->streaming = 0; |
d203a7ec | 3384 | vino_queue_free(&vcs->fb_queue); |
4f5a7444 | 3385 | vino_queue_init(&vcs->fb_queue, &rb->count); |
d203a7ec | 3386 | } |
4f5a7444 TP |
3387 | } else { |
3388 | vcs->streaming = 0; | |
3389 | vino_capture_stop(vcs); | |
3390 | vino_queue_free(&vcs->fb_queue); | |
d203a7ec RB |
3391 | } |
3392 | ||
3393 | return 0; | |
3394 | } | |
3395 | ||
3396 | static void vino_v4l2_get_buffer_status(struct vino_channel_settings *vcs, | |
3397 | struct vino_framebuffer *fb, | |
3398 | struct v4l2_buffer *b) | |
3399 | { | |
3400 | if (vino_queue_outgoing_contains(&vcs->fb_queue, | |
3401 | fb->id)) { | |
3402 | b->flags &= ~V4L2_BUF_FLAG_QUEUED; | |
3403 | b->flags |= V4L2_BUF_FLAG_DONE; | |
3404 | } else if (vino_queue_incoming_contains(&vcs->fb_queue, | |
3405 | fb->id)) { | |
3406 | b->flags &= ~V4L2_BUF_FLAG_DONE; | |
3407 | b->flags |= V4L2_BUF_FLAG_QUEUED; | |
3408 | } else { | |
3409 | b->flags &= ~(V4L2_BUF_FLAG_DONE | | |
3410 | V4L2_BUF_FLAG_QUEUED); | |
3411 | } | |
3412 | ||
3413 | b->flags &= ~(V4L2_BUF_FLAG_TIMECODE); | |
3414 | ||
3415 | if (fb->map_count > 0) | |
3416 | b->flags |= V4L2_BUF_FLAG_MAPPED; | |
3417 | ||
3418 | b->index = fb->id; | |
3419 | b->memory = (vcs->fb_queue.type == VINO_MEMORY_MMAP) ? | |
3420 | V4L2_MEMORY_MMAP : V4L2_MEMORY_USERPTR; | |
3421 | b->m.offset = fb->offset; | |
3422 | b->bytesused = fb->data_size; | |
3423 | b->length = fb->size; | |
3424 | b->field = V4L2_FIELD_INTERLACED; | |
3425 | b->sequence = fb->frame_counter; | |
3426 | memcpy(&b->timestamp, &fb->timestamp, | |
3427 | sizeof(struct timeval)); | |
3428 | // b->input ? | |
3429 | ||
3430 | dprintk("buffer %d: length = %d, bytesused = %d, offset = %d\n", | |
3431 | fb->id, fb->size, fb->data_size, fb->offset); | |
3432 | } | |
3433 | ||
c49cb361 | 3434 | static int vino_querybuf(struct file *file, void *__fh, |
d203a7ec RB |
3435 | struct v4l2_buffer *b) |
3436 | { | |
c49cb361 | 3437 | struct vino_channel_settings *vcs = video_drvdata(file); |
4f5a7444 TP |
3438 | struct vino_framebuffer *fb; |
3439 | ||
d203a7ec RB |
3440 | if (vcs->reading) |
3441 | return -EBUSY; | |
3442 | ||
4f5a7444 TP |
3443 | /* TODO: check queue type */ |
3444 | if (b->index >= vino_queue_get_length(&vcs->fb_queue)) { | |
3445 | dprintk("invalid index = %d\n", | |
3446 | b->index); | |
3447 | return -EINVAL; | |
d203a7ec | 3448 | } |
4f5a7444 TP |
3449 | |
3450 | fb = vino_queue_get_buffer(&vcs->fb_queue, | |
3451 | b->index); | |
3452 | if (fb == NULL) { | |
3453 | dprintk("vino_queue_get_buffer() failed"); | |
d203a7ec RB |
3454 | return -EINVAL; |
3455 | } | |
3456 | ||
4f5a7444 TP |
3457 | vino_v4l2_get_buffer_status(vcs, fb, b); |
3458 | ||
d203a7ec RB |
3459 | return 0; |
3460 | } | |
3461 | ||
c49cb361 | 3462 | static int vino_qbuf(struct file *file, void *__fh, |
d203a7ec RB |
3463 | struct v4l2_buffer *b) |
3464 | { | |
c49cb361 | 3465 | struct vino_channel_settings *vcs = video_drvdata(file); |
4f5a7444 TP |
3466 | struct vino_framebuffer *fb; |
3467 | int ret; | |
3468 | ||
d203a7ec RB |
3469 | if (vcs->reading) |
3470 | return -EBUSY; | |
3471 | ||
4f5a7444 TP |
3472 | /* TODO: check queue type */ |
3473 | if (b->memory != V4L2_MEMORY_MMAP) { | |
3474 | dprintk("type not mmap\n"); | |
3475 | return -EINVAL; | |
3476 | } | |
d203a7ec | 3477 | |
4f5a7444 TP |
3478 | fb = vino_capture_enqueue(vcs, b->index); |
3479 | if (fb == NULL) | |
3480 | return -EINVAL; | |
d203a7ec | 3481 | |
4f5a7444 | 3482 | vino_v4l2_get_buffer_status(vcs, fb, b); |
d203a7ec | 3483 | |
4f5a7444 TP |
3484 | if (vcs->streaming) { |
3485 | ret = vino_capture_next(vcs, 1); | |
3486 | if (ret) | |
3487 | return ret; | |
d203a7ec RB |
3488 | } |
3489 | ||
3490 | return 0; | |
3491 | } | |
3492 | ||
c49cb361 HV |
3493 | static int vino_dqbuf(struct file *file, void *__fh, |
3494 | struct v4l2_buffer *b) | |
d203a7ec | 3495 | { |
c49cb361 HV |
3496 | struct vino_channel_settings *vcs = video_drvdata(file); |
3497 | unsigned int nonblocking = file->f_flags & O_NONBLOCK; | |
4f5a7444 TP |
3498 | struct vino_framebuffer *fb; |
3499 | unsigned int incoming, outgoing; | |
3500 | int err; | |
3501 | ||
d203a7ec RB |
3502 | if (vcs->reading) |
3503 | return -EBUSY; | |
3504 | ||
4f5a7444 | 3505 | /* TODO: check queue type */ |
d203a7ec | 3506 | |
4f5a7444 TP |
3507 | err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); |
3508 | if (err) { | |
3509 | dprintk("vino_queue_get_incoming() failed\n"); | |
3510 | return -EINVAL; | |
3511 | } | |
3512 | err = vino_queue_get_outgoing(&vcs->fb_queue, &outgoing); | |
3513 | if (err) { | |
3514 | dprintk("vino_queue_get_outgoing() failed\n"); | |
3515 | return -EINVAL; | |
3516 | } | |
d203a7ec | 3517 | |
4f5a7444 TP |
3518 | dprintk("incoming = %d, outgoing = %d\n", incoming, outgoing); |
3519 | ||
3520 | if (outgoing == 0) { | |
3521 | if (incoming == 0) { | |
3522 | dprintk("no incoming or outgoing buffers\n"); | |
a637a114 | 3523 | return -EINVAL; |
d203a7ec | 3524 | } |
4f5a7444 TP |
3525 | if (nonblocking) { |
3526 | dprintk("non-blocking I/O was selected and " | |
3527 | "there are no buffers to dequeue\n"); | |
3528 | return -EAGAIN; | |
d203a7ec RB |
3529 | } |
3530 | ||
4f5a7444 TP |
3531 | err = vino_wait_for_frame(vcs); |
3532 | if (err) { | |
d203a7ec RB |
3533 | err = vino_wait_for_frame(vcs); |
3534 | if (err) { | |
4f5a7444 TP |
3535 | /* interrupted or no frames captured because of |
3536 | * frame skipping */ | |
3537 | /* vino_capture_failed(vcs); */ | |
3538 | return -EIO; | |
d203a7ec RB |
3539 | } |
3540 | } | |
4f5a7444 | 3541 | } |
d203a7ec | 3542 | |
4f5a7444 TP |
3543 | fb = vino_queue_remove(&vcs->fb_queue, &b->index); |
3544 | if (fb == NULL) { | |
3545 | dprintk("vino_queue_remove() failed\n"); | |
3546 | return -EINVAL; | |
3547 | } | |
a637a114 | 3548 | |
4f5a7444 | 3549 | err = vino_check_buffer(vcs, fb); |
a637a114 | 3550 | |
4f5a7444 | 3551 | vino_v4l2_get_buffer_status(vcs, fb, b); |
d203a7ec | 3552 | |
4f5a7444 TP |
3553 | if (err) |
3554 | return -EIO; | |
d203a7ec RB |
3555 | |
3556 | return 0; | |
3557 | } | |
3558 | ||
c49cb361 HV |
3559 | static int vino_streamon(struct file *file, void *__fh, |
3560 | enum v4l2_buf_type i) | |
d203a7ec | 3561 | { |
c49cb361 | 3562 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3563 | unsigned int incoming; |
3564 | int ret; | |
3565 | if (vcs->reading) | |
3566 | return -EBUSY; | |
3567 | ||
3568 | if (vcs->streaming) | |
3569 | return 0; | |
3570 | ||
3571 | // TODO: check queue type | |
3572 | ||
3573 | if (vino_queue_get_length(&vcs->fb_queue) < 1) { | |
3574 | dprintk("no buffers allocated\n"); | |
3575 | return -EINVAL; | |
3576 | } | |
3577 | ||
3578 | ret = vino_queue_get_incoming(&vcs->fb_queue, &incoming); | |
3579 | if (ret) { | |
3580 | dprintk("vino_queue_get_incoming() failed\n"); | |
3581 | return -EINVAL; | |
3582 | } | |
3583 | ||
3584 | vcs->streaming = 1; | |
3585 | ||
3586 | if (incoming > 0) { | |
3587 | ret = vino_capture_next(vcs, 1); | |
3588 | if (ret) { | |
3589 | vcs->streaming = 0; | |
3590 | ||
3591 | dprintk("couldn't start capture\n"); | |
3592 | return -EINVAL; | |
3593 | } | |
3594 | } | |
3595 | ||
3596 | return 0; | |
3597 | } | |
3598 | ||
c49cb361 HV |
3599 | static int vino_streamoff(struct file *file, void *__fh, |
3600 | enum v4l2_buf_type i) | |
d203a7ec | 3601 | { |
c49cb361 | 3602 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3603 | if (vcs->reading) |
3604 | return -EBUSY; | |
3605 | ||
3606 | if (!vcs->streaming) | |
3607 | return 0; | |
3608 | ||
d203a7ec | 3609 | vcs->streaming = 0; |
a637a114 | 3610 | vino_capture_stop(vcs); |
d203a7ec RB |
3611 | |
3612 | return 0; | |
3613 | } | |
3614 | ||
c49cb361 | 3615 | static int vino_queryctrl(struct file *file, void *__fh, |
d203a7ec RB |
3616 | struct v4l2_queryctrl *queryctrl) |
3617 | { | |
c49cb361 | 3618 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3619 | unsigned long flags; |
d203a7ec RB |
3620 | int i; |
3621 | int err = 0; | |
3622 | ||
a637a114 | 3623 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3624 | |
3625 | switch (vcs->input) { | |
3626 | case VINO_INPUT_D1: | |
3627 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { | |
3628 | if (vino_indycam_v4l2_controls[i].id == | |
3629 | queryctrl->id) { | |
3630 | memcpy(queryctrl, | |
3631 | &vino_indycam_v4l2_controls[i], | |
3632 | sizeof(struct v4l2_queryctrl)); | |
a637a114 | 3633 | queryctrl->reserved[0] = 0; |
d203a7ec RB |
3634 | goto found; |
3635 | } | |
3636 | } | |
3637 | ||
3638 | err = -EINVAL; | |
3639 | break; | |
3640 | case VINO_INPUT_COMPOSITE: | |
3641 | case VINO_INPUT_SVIDEO: | |
3642 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { | |
3643 | if (vino_saa7191_v4l2_controls[i].id == | |
3644 | queryctrl->id) { | |
3645 | memcpy(queryctrl, | |
3646 | &vino_saa7191_v4l2_controls[i], | |
3647 | sizeof(struct v4l2_queryctrl)); | |
a637a114 | 3648 | queryctrl->reserved[0] = 0; |
d203a7ec RB |
3649 | goto found; |
3650 | } | |
3651 | } | |
3652 | ||
3653 | err = -EINVAL; | |
3654 | break; | |
3655 | default: | |
3656 | err = -EINVAL; | |
3657 | } | |
3658 | ||
3659 | found: | |
a637a114 | 3660 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3661 | |
3662 | return err; | |
3663 | } | |
3664 | ||
c49cb361 | 3665 | static int vino_g_ctrl(struct file *file, void *__fh, |
d203a7ec RB |
3666 | struct v4l2_control *control) |
3667 | { | |
c49cb361 | 3668 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3669 | unsigned long flags; |
3670 | int i; | |
d203a7ec RB |
3671 | int err = 0; |
3672 | ||
a637a114 | 3673 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3674 | |
3675 | switch (vcs->input) { | |
a637a114 | 3676 | case VINO_INPUT_D1: { |
cf4e9484 | 3677 | err = -EINVAL; |
a637a114 | 3678 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3679 | if (vino_indycam_v4l2_controls[i].id == control->id) { |
3680 | err = 0; | |
3681 | break; | |
a637a114 LM |
3682 | } |
3683 | } | |
3684 | ||
cf4e9484 | 3685 | if (err) |
a637a114 | 3686 | goto out; |
a637a114 | 3687 | |
48f4dacb | 3688 | err = camera_call(core, g_ctrl, control); |
cf4e9484 HV |
3689 | if (err) |
3690 | err = -EINVAL; | |
d203a7ec | 3691 | break; |
a637a114 | 3692 | } |
d203a7ec | 3693 | case VINO_INPUT_COMPOSITE: |
a637a114 | 3694 | case VINO_INPUT_SVIDEO: { |
cf4e9484 | 3695 | err = -EINVAL; |
a637a114 | 3696 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3697 | if (vino_saa7191_v4l2_controls[i].id == control->id) { |
3698 | err = 0; | |
3699 | break; | |
a637a114 LM |
3700 | } |
3701 | } | |
3702 | ||
cf4e9484 | 3703 | if (err) |
a637a114 | 3704 | goto out; |
a637a114 | 3705 | |
48f4dacb | 3706 | err = decoder_call(core, g_ctrl, control); |
cf4e9484 HV |
3707 | if (err) |
3708 | err = -EINVAL; | |
d203a7ec | 3709 | break; |
a637a114 | 3710 | } |
d203a7ec RB |
3711 | default: |
3712 | err = -EINVAL; | |
3713 | } | |
3714 | ||
a637a114 LM |
3715 | out: |
3716 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3717 | |
3718 | return err; | |
3719 | } | |
3720 | ||
c49cb361 | 3721 | static int vino_s_ctrl(struct file *file, void *__fh, |
d203a7ec RB |
3722 | struct v4l2_control *control) |
3723 | { | |
c49cb361 | 3724 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3725 | unsigned long flags; |
d203a7ec RB |
3726 | int i; |
3727 | int err = 0; | |
3728 | ||
a637a114 LM |
3729 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3730 | ||
3731 | if (!vino_is_input_owner(vcs)) { | |
3732 | err = -EBUSY; | |
3733 | goto out; | |
3734 | } | |
d203a7ec RB |
3735 | |
3736 | switch (vcs->input) { | |
a637a114 | 3737 | case VINO_INPUT_D1: { |
cf4e9484 | 3738 | err = -EINVAL; |
d203a7ec | 3739 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3740 | if (vino_indycam_v4l2_controls[i].id == control->id) { |
3741 | err = 0; | |
3742 | break; | |
d203a7ec RB |
3743 | } |
3744 | } | |
cf4e9484 HV |
3745 | if (err) |
3746 | goto out; | |
3747 | if (control->value < vino_indycam_v4l2_controls[i].minimum || | |
3748 | control->value > vino_indycam_v4l2_controls[i].maximum) { | |
3749 | err = -ERANGE; | |
3750 | goto out; | |
3751 | } | |
48f4dacb | 3752 | err = camera_call(core, s_ctrl, control); |
a637a114 LM |
3753 | if (err) |
3754 | err = -EINVAL; | |
d203a7ec | 3755 | break; |
a637a114 | 3756 | } |
d203a7ec | 3757 | case VINO_INPUT_COMPOSITE: |
a637a114 | 3758 | case VINO_INPUT_SVIDEO: { |
cf4e9484 | 3759 | err = -EINVAL; |
d203a7ec | 3760 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3761 | if (vino_saa7191_v4l2_controls[i].id == control->id) { |
3762 | err = 0; | |
3763 | break; | |
d203a7ec RB |
3764 | } |
3765 | } | |
cf4e9484 HV |
3766 | if (err) |
3767 | goto out; | |
3768 | if (control->value < vino_saa7191_v4l2_controls[i].minimum || | |
3769 | control->value > vino_saa7191_v4l2_controls[i].maximum) { | |
3770 | err = -ERANGE; | |
3771 | goto out; | |
3772 | } | |
d203a7ec | 3773 | |
48f4dacb | 3774 | err = decoder_call(core, s_ctrl, control); |
a637a114 LM |
3775 | if (err) |
3776 | err = -EINVAL; | |
d203a7ec | 3777 | break; |
a637a114 | 3778 | } |
d203a7ec RB |
3779 | default: |
3780 | err = -EINVAL; | |
3781 | } | |
3782 | ||
a637a114 LM |
3783 | out: |
3784 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3785 | |
3786 | return err; | |
3787 | } | |
3788 | ||
3789 | /* File operations */ | |
3790 | ||
bec43661 | 3791 | static int vino_open(struct file *file) |
d203a7ec | 3792 | { |
c170ecf4 | 3793 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3794 | int ret = 0; |
3795 | dprintk("open(): channel = %c\n", | |
3796 | (vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B'); | |
3797 | ||
3593cab5 | 3798 | mutex_lock(&vcs->mutex); |
d203a7ec RB |
3799 | |
3800 | if (vcs->users) { | |
3801 | dprintk("open(): driver busy\n"); | |
3802 | ret = -EBUSY; | |
3803 | goto out; | |
3804 | } | |
3805 | ||
3806 | ret = vino_acquire_input(vcs); | |
3807 | if (ret) { | |
3808 | dprintk("open(): vino_acquire_input() failed\n"); | |
3809 | goto out; | |
3810 | } | |
3811 | ||
3812 | vcs->users++; | |
3813 | ||
3814 | out: | |
3593cab5 | 3815 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
3816 | |
3817 | dprintk("open(): %s!\n", ret ? "failed" : "complete"); | |
3818 | ||
3819 | return ret; | |
3820 | } | |
3821 | ||
bec43661 | 3822 | static int vino_close(struct file *file) |
d203a7ec | 3823 | { |
c170ecf4 | 3824 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3825 | dprintk("close():\n"); |
3826 | ||
3593cab5 | 3827 | mutex_lock(&vcs->mutex); |
d203a7ec RB |
3828 | |
3829 | vcs->users--; | |
3830 | ||
3831 | if (!vcs->users) { | |
3832 | vino_release_input(vcs); | |
3833 | ||
3834 | /* stop DMA and free buffers */ | |
3835 | vino_capture_stop(vcs); | |
3836 | vino_queue_free(&vcs->fb_queue); | |
3837 | } | |
3838 | ||
3593cab5 | 3839 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
3840 | |
3841 | return 0; | |
3842 | } | |
3843 | ||
3844 | static void vino_vm_open(struct vm_area_struct *vma) | |
3845 | { | |
3846 | struct vino_framebuffer *fb = vma->vm_private_data; | |
3847 | ||
3848 | fb->map_count++; | |
3849 | dprintk("vino_vm_open(): count = %d\n", fb->map_count); | |
3850 | } | |
3851 | ||
3852 | static void vino_vm_close(struct vm_area_struct *vma) | |
3853 | { | |
3854 | struct vino_framebuffer *fb = vma->vm_private_data; | |
3855 | ||
3856 | fb->map_count--; | |
3857 | dprintk("vino_vm_close(): count = %d\n", fb->map_count); | |
3858 | } | |
3859 | ||
3860 | static struct vm_operations_struct vino_vm_ops = { | |
3861 | .open = vino_vm_open, | |
3862 | .close = vino_vm_close, | |
3863 | }; | |
3864 | ||
3865 | static int vino_mmap(struct file *file, struct vm_area_struct *vma) | |
3866 | { | |
c170ecf4 | 3867 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3868 | |
3869 | unsigned long start = vma->vm_start; | |
3870 | unsigned long size = vma->vm_end - vma->vm_start; | |
3871 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; | |
3872 | ||
3873 | struct vino_framebuffer *fb = NULL; | |
3874 | unsigned int i, length; | |
3875 | int ret = 0; | |
3876 | ||
3877 | dprintk("mmap():\n"); | |
3878 | ||
3879 | // TODO: reject mmap if already mapped | |
3880 | ||
3593cab5 | 3881 | if (mutex_lock_interruptible(&vcs->mutex)) |
d203a7ec RB |
3882 | return -EINTR; |
3883 | ||
3884 | if (vcs->reading) { | |
3885 | ret = -EBUSY; | |
3886 | goto out; | |
3887 | } | |
3888 | ||
3889 | // TODO: check queue type | |
3890 | ||
3891 | if (!(vma->vm_flags & VM_WRITE)) { | |
3892 | dprintk("mmap(): app bug: PROT_WRITE please\n"); | |
3893 | ret = -EINVAL; | |
3894 | goto out; | |
3895 | } | |
3896 | if (!(vma->vm_flags & VM_SHARED)) { | |
3897 | dprintk("mmap(): app bug: MAP_SHARED please\n"); | |
3898 | ret = -EINVAL; | |
3899 | goto out; | |
3900 | } | |
3901 | ||
3902 | /* find the correct buffer using offset */ | |
3903 | length = vino_queue_get_length(&vcs->fb_queue); | |
3904 | if (length == 0) { | |
3905 | dprintk("mmap(): queue not initialized\n"); | |
3906 | ret = -EINVAL; | |
3907 | goto out; | |
3908 | } | |
3909 | ||
3910 | for (i = 0; i < length; i++) { | |
3911 | fb = vino_queue_get_buffer(&vcs->fb_queue, i); | |
3912 | if (fb == NULL) { | |
3913 | dprintk("mmap(): vino_queue_get_buffer() failed\n"); | |
3914 | ret = -EINVAL; | |
3915 | goto out; | |
3916 | } | |
3917 | ||
3918 | if (fb->offset == offset) | |
3919 | goto found; | |
3920 | } | |
3921 | ||
3922 | dprintk("mmap(): invalid offset = %lu\n", offset); | |
3923 | ret = -EINVAL; | |
3924 | goto out; | |
3925 | ||
3926 | found: | |
3927 | dprintk("mmap(): buffer = %d\n", i); | |
3928 | ||
3929 | if (size > (fb->desc_table.page_count * PAGE_SIZE)) { | |
3930 | dprintk("mmap(): failed: size = %lu > %lu\n", | |
3931 | size, fb->desc_table.page_count * PAGE_SIZE); | |
3932 | ret = -EINVAL; | |
3933 | goto out; | |
3934 | } | |
3935 | ||
3936 | for (i = 0; i < fb->desc_table.page_count; i++) { | |
3937 | unsigned long pfn = | |
3938 | virt_to_phys((void *)fb->desc_table.virtual[i]) >> | |
3939 | PAGE_SHIFT; | |
3940 | ||
3941 | if (size < PAGE_SIZE) | |
3942 | break; | |
3943 | ||
3944 | // protection was: PAGE_READONLY | |
3945 | if (remap_pfn_range(vma, start, pfn, PAGE_SIZE, | |
3946 | vma->vm_page_prot)) { | |
3947 | dprintk("mmap(): remap_pfn_range() failed\n"); | |
3948 | ret = -EAGAIN; | |
3949 | goto out; | |
3950 | } | |
3951 | ||
3952 | start += PAGE_SIZE; | |
3953 | size -= PAGE_SIZE; | |
3954 | } | |
3955 | ||
3956 | fb->map_count = 1; | |
3957 | ||
3958 | vma->vm_flags |= VM_DONTEXPAND | VM_RESERVED; | |
3959 | vma->vm_flags &= ~VM_IO; | |
3960 | vma->vm_private_data = fb; | |
3961 | vma->vm_file = file; | |
3962 | vma->vm_ops = &vino_vm_ops; | |
3963 | ||
3964 | out: | |
3593cab5 | 3965 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
3966 | |
3967 | return ret; | |
3968 | } | |
3969 | ||
3970 | static unsigned int vino_poll(struct file *file, poll_table *pt) | |
3971 | { | |
c170ecf4 | 3972 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3973 | unsigned int outgoing; |
3974 | unsigned int ret = 0; | |
3975 | ||
3976 | // lock mutex (?) | |
3977 | // TODO: this has to be corrected for different read modes | |
3978 | ||
3979 | dprintk("poll():\n"); | |
3980 | ||
3981 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
3982 | dprintk("poll(): vino_queue_get_outgoing() failed\n"); | |
3983 | ret = POLLERR; | |
3984 | goto error; | |
3985 | } | |
3986 | if (outgoing > 0) | |
3987 | goto over; | |
3988 | ||
3989 | poll_wait(file, &vcs->fb_queue.frame_wait_queue, pt); | |
3990 | ||
3991 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
3992 | dprintk("poll(): vino_queue_get_outgoing() failed\n"); | |
3993 | ret = POLLERR; | |
3994 | goto error; | |
3995 | } | |
3996 | ||
3997 | over: | |
3998 | dprintk("poll(): data %savailable\n", | |
3999 | (outgoing > 0) ? "" : "not "); | |
a637a114 LM |
4000 | |
4001 | if (outgoing > 0) | |
d203a7ec | 4002 | ret = POLLIN | POLLRDNORM; |
d203a7ec RB |
4003 | |
4004 | error: | |
d203a7ec RB |
4005 | return ret; |
4006 | } | |
4007 | ||
069b7479 | 4008 | static long vino_ioctl(struct file *file, |
d203a7ec RB |
4009 | unsigned int cmd, unsigned long arg) |
4010 | { | |
c170ecf4 | 4011 | struct vino_channel_settings *vcs = video_drvdata(file); |
069b7479 | 4012 | long ret; |
d203a7ec | 4013 | |
3593cab5 | 4014 | if (mutex_lock_interruptible(&vcs->mutex)) |
d203a7ec RB |
4015 | return -EINTR; |
4016 | ||
c49cb361 | 4017 | ret = video_ioctl2(file, cmd, arg); |
d203a7ec | 4018 | |
3593cab5 | 4019 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
4020 | |
4021 | return ret; | |
4022 | } | |
4023 | ||
4024 | /* Initialization and cleanup */ | |
4025 | ||
ff699e6b DSL |
4026 | /* __initdata */ |
4027 | static int vino_init_stage; | |
d203a7ec | 4028 | |
c49cb361 HV |
4029 | const struct v4l2_ioctl_ops vino_ioctl_ops = { |
4030 | .vidioc_enum_fmt_vid_cap = vino_enum_fmt_vid_cap, | |
4031 | .vidioc_g_fmt_vid_cap = vino_g_fmt_vid_cap, | |
4032 | .vidioc_s_fmt_vid_cap = vino_s_fmt_vid_cap, | |
4033 | .vidioc_try_fmt_vid_cap = vino_try_fmt_vid_cap, | |
4034 | .vidioc_querycap = vino_querycap, | |
4035 | .vidioc_enum_input = vino_enum_input, | |
4036 | .vidioc_g_input = vino_g_input, | |
4037 | .vidioc_s_input = vino_s_input, | |
4038 | .vidioc_g_std = vino_g_std, | |
4039 | .vidioc_s_std = vino_s_std, | |
4040 | .vidioc_querystd = vino_querystd, | |
4041 | .vidioc_cropcap = vino_cropcap, | |
4042 | .vidioc_s_crop = vino_s_crop, | |
4043 | .vidioc_g_crop = vino_g_crop, | |
4044 | .vidioc_s_parm = vino_s_parm, | |
4045 | .vidioc_g_parm = vino_g_parm, | |
4046 | .vidioc_reqbufs = vino_reqbufs, | |
4047 | .vidioc_querybuf = vino_querybuf, | |
4048 | .vidioc_qbuf = vino_qbuf, | |
4049 | .vidioc_dqbuf = vino_dqbuf, | |
4050 | .vidioc_streamon = vino_streamon, | |
4051 | .vidioc_streamoff = vino_streamoff, | |
4052 | .vidioc_queryctrl = vino_queryctrl, | |
4053 | .vidioc_g_ctrl = vino_g_ctrl, | |
4054 | .vidioc_s_ctrl = vino_s_ctrl, | |
4055 | }; | |
4056 | ||
bec43661 | 4057 | static const struct v4l2_file_operations vino_fops = { |
d203a7ec RB |
4058 | .owner = THIS_MODULE, |
4059 | .open = vino_open, | |
4060 | .release = vino_close, | |
28959638 | 4061 | .unlocked_ioctl = vino_ioctl, |
d203a7ec RB |
4062 | .mmap = vino_mmap, |
4063 | .poll = vino_poll, | |
d203a7ec RB |
4064 | }; |
4065 | ||
0ef4dbad | 4066 | static struct video_device vdev_template = { |
d203a7ec | 4067 | .name = "NOT SET", |
d203a7ec | 4068 | .fops = &vino_fops, |
c49cb361 HV |
4069 | .ioctl_ops = &vino_ioctl_ops, |
4070 | .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, | |
d203a7ec RB |
4071 | .minor = -1, |
4072 | }; | |
4073 | ||
4074 | static void vino_module_cleanup(int stage) | |
4075 | { | |
4076 | switch(stage) { | |
28959638 | 4077 | case 11: |
0ef4dbad HV |
4078 | video_unregister_device(vino_drvdata->b.vdev); |
4079 | vino_drvdata->b.vdev = NULL; | |
28959638 | 4080 | case 10: |
0ef4dbad HV |
4081 | video_unregister_device(vino_drvdata->a.vdev); |
4082 | vino_drvdata->a.vdev = NULL; | |
28959638 | 4083 | case 9: |
cea0c681 | 4084 | i2c_del_adapter(&vino_i2c_adapter); |
28959638 | 4085 | case 8: |
d203a7ec | 4086 | free_irq(SGI_VINO_IRQ, NULL); |
28959638 | 4087 | case 7: |
0ef4dbad HV |
4088 | if (vino_drvdata->b.vdev) { |
4089 | video_device_release(vino_drvdata->b.vdev); | |
4090 | vino_drvdata->b.vdev = NULL; | |
d203a7ec | 4091 | } |
28959638 | 4092 | case 6: |
0ef4dbad HV |
4093 | if (vino_drvdata->a.vdev) { |
4094 | video_device_release(vino_drvdata->a.vdev); | |
4095 | vino_drvdata->a.vdev = NULL; | |
d203a7ec | 4096 | } |
28959638 | 4097 | case 5: |
d203a7ec RB |
4098 | /* all entries in dma_cpu dummy table have the same address */ |
4099 | dma_unmap_single(NULL, | |
4100 | vino_drvdata->dummy_desc_table.dma_cpu[0], | |
4101 | PAGE_SIZE, DMA_FROM_DEVICE); | |
4102 | dma_free_coherent(NULL, VINO_DUMMY_DESC_COUNT | |
4103 | * sizeof(dma_addr_t), | |
4104 | (void *)vino_drvdata-> | |
4105 | dummy_desc_table.dma_cpu, | |
4106 | vino_drvdata->dummy_desc_table.dma); | |
28959638 | 4107 | case 4: |
d203a7ec | 4108 | free_page(vino_drvdata->dummy_page); |
28959638 HV |
4109 | case 3: |
4110 | v4l2_device_unregister(&vino_drvdata->v4l2_dev); | |
d203a7ec RB |
4111 | case 2: |
4112 | kfree(vino_drvdata); | |
4113 | case 1: | |
4114 | iounmap(vino); | |
4115 | case 0: | |
4116 | break; | |
4117 | default: | |
4118 | dprintk("vino_module_cleanup(): invalid cleanup stage = %d\n", | |
4119 | stage); | |
4120 | } | |
4121 | } | |
4122 | ||
4123 | static int vino_probe(void) | |
4124 | { | |
4125 | unsigned long rev_id; | |
4126 | ||
4127 | if (ip22_is_fullhouse()) { | |
4128 | printk(KERN_ERR "VINO doesn't exist in IP22 Fullhouse\n"); | |
4129 | return -ENODEV; | |
4130 | } | |
4131 | ||
4132 | if (!(sgimc->systemid & SGIMC_SYSID_EPRESENT)) { | |
4133 | printk(KERN_ERR "VINO is not found (EISA BUS not present)\n"); | |
4134 | return -ENODEV; | |
4135 | } | |
4136 | ||
4137 | vino = (struct sgi_vino *)ioremap(VINO_BASE, sizeof(struct sgi_vino)); | |
4138 | if (!vino) { | |
4139 | printk(KERN_ERR "VINO: ioremap() failed\n"); | |
4140 | return -EIO; | |
4141 | } | |
4142 | vino_init_stage++; | |
4143 | ||
4144 | if (get_dbe(rev_id, &(vino->rev_id))) { | |
4145 | printk(KERN_ERR "Failed to read VINO revision register\n"); | |
4146 | vino_module_cleanup(vino_init_stage); | |
4147 | return -ENODEV; | |
4148 | } | |
4149 | ||
4150 | if (VINO_ID_VALUE(rev_id) != VINO_CHIP_ID) { | |
4151 | printk(KERN_ERR "Unknown VINO chip ID (Rev/ID: 0x%02lx)\n", | |
4152 | rev_id); | |
4153 | vino_module_cleanup(vino_init_stage); | |
4154 | return -ENODEV; | |
4155 | } | |
4156 | ||
a637a114 | 4157 | printk(KERN_INFO "VINO revision %ld found\n", VINO_REV_NUM(rev_id)); |
d203a7ec RB |
4158 | |
4159 | return 0; | |
4160 | } | |
4161 | ||
4162 | static int vino_init(void) | |
4163 | { | |
4164 | dma_addr_t dma_dummy_address; | |
28959638 | 4165 | int err; |
d203a7ec RB |
4166 | int i; |
4167 | ||
7408187d | 4168 | vino_drvdata = kzalloc(sizeof(struct vino_settings), GFP_KERNEL); |
d203a7ec RB |
4169 | if (!vino_drvdata) { |
4170 | vino_module_cleanup(vino_init_stage); | |
4171 | return -ENOMEM; | |
4172 | } | |
d203a7ec | 4173 | vino_init_stage++; |
28959638 HV |
4174 | strlcpy(vino_drvdata->v4l2_dev.name, "vino", |
4175 | sizeof(vino_drvdata->v4l2_dev.name)); | |
4176 | err = v4l2_device_register(NULL, &vino_drvdata->v4l2_dev); | |
4177 | if (err) | |
4178 | return err; | |
4179 | vino_init_stage++; | |
d203a7ec RB |
4180 | |
4181 | /* create a dummy dma descriptor */ | |
4182 | vino_drvdata->dummy_page = get_zeroed_page(GFP_KERNEL | GFP_DMA); | |
4183 | if (!vino_drvdata->dummy_page) { | |
4184 | vino_module_cleanup(vino_init_stage); | |
4185 | return -ENOMEM; | |
4186 | } | |
4187 | vino_init_stage++; | |
4188 | ||
4189 | // TODO: use page_count in dummy_desc_table | |
4190 | ||
4191 | vino_drvdata->dummy_desc_table.dma_cpu = | |
4192 | dma_alloc_coherent(NULL, | |
4193 | VINO_DUMMY_DESC_COUNT * sizeof(dma_addr_t), | |
4194 | &vino_drvdata->dummy_desc_table.dma, | |
4195 | GFP_KERNEL | GFP_DMA); | |
4196 | if (!vino_drvdata->dummy_desc_table.dma_cpu) { | |
4197 | vino_module_cleanup(vino_init_stage); | |
4198 | return -ENOMEM; | |
4199 | } | |
4200 | vino_init_stage++; | |
4201 | ||
4202 | dma_dummy_address = dma_map_single(NULL, | |
4203 | (void *)vino_drvdata->dummy_page, | |
4204 | PAGE_SIZE, DMA_FROM_DEVICE); | |
4205 | for (i = 0; i < VINO_DUMMY_DESC_COUNT; i++) { | |
4206 | vino_drvdata->dummy_desc_table.dma_cpu[i] = dma_dummy_address; | |
4207 | } | |
4208 | ||
4209 | /* initialize VINO */ | |
4210 | ||
4211 | vino->control = 0; | |
4212 | vino->a.next_4_desc = vino_drvdata->dummy_desc_table.dma; | |
4213 | vino->b.next_4_desc = vino_drvdata->dummy_desc_table.dma; | |
4214 | udelay(VINO_DESC_FETCH_DELAY); | |
4215 | ||
4216 | vino->intr_status = 0; | |
4217 | ||
4218 | vino->a.fifo_thres = VINO_FIFO_THRESHOLD_DEFAULT; | |
4219 | vino->b.fifo_thres = VINO_FIFO_THRESHOLD_DEFAULT; | |
4220 | ||
4221 | return 0; | |
4222 | } | |
4223 | ||
4224 | static int vino_init_channel_settings(struct vino_channel_settings *vcs, | |
4225 | unsigned int channel, const char *name) | |
4226 | { | |
4227 | vcs->channel = channel; | |
4228 | vcs->input = VINO_INPUT_NONE; | |
4229 | vcs->alpha = 0; | |
4230 | vcs->users = 0; | |
4231 | vcs->data_format = VINO_DATA_FMT_GREY; | |
4232 | vcs->data_norm = VINO_DATA_NORM_NTSC; | |
4233 | vcs->decimation = 1; | |
4234 | vino_set_default_clipping(vcs); | |
4235 | vino_set_default_framerate(vcs); | |
4236 | ||
4237 | vcs->capturing = 0; | |
4238 | ||
3593cab5 | 4239 | mutex_init(&vcs->mutex); |
d203a7ec RB |
4240 | spin_lock_init(&vcs->capture_lock); |
4241 | ||
3593cab5 | 4242 | mutex_init(&vcs->fb_queue.queue_mutex); |
d203a7ec RB |
4243 | spin_lock_init(&vcs->fb_queue.queue_lock); |
4244 | init_waitqueue_head(&vcs->fb_queue.frame_wait_queue); | |
4245 | ||
0ef4dbad HV |
4246 | vcs->vdev = video_device_alloc(); |
4247 | if (!vcs->vdev) { | |
d203a7ec RB |
4248 | vino_module_cleanup(vino_init_stage); |
4249 | return -ENOMEM; | |
4250 | } | |
4251 | vino_init_stage++; | |
4252 | ||
0ef4dbad | 4253 | memcpy(vcs->vdev, &vdev_template, |
d203a7ec | 4254 | sizeof(struct video_device)); |
0ef4dbad HV |
4255 | strcpy(vcs->vdev->name, name); |
4256 | vcs->vdev->release = video_device_release; | |
28959638 | 4257 | vcs->vdev->v4l2_dev = &vino_drvdata->v4l2_dev; |
d203a7ec | 4258 | |
0ef4dbad | 4259 | video_set_drvdata(vcs->vdev, vcs); |
d203a7ec RB |
4260 | |
4261 | return 0; | |
4262 | } | |
4263 | ||
4264 | static int __init vino_module_init(void) | |
4265 | { | |
4266 | int ret; | |
4267 | ||
4268 | printk(KERN_INFO "SGI VINO driver version %s\n", | |
4269 | VINO_MODULE_VERSION); | |
4270 | ||
4271 | ret = vino_probe(); | |
4272 | if (ret) | |
4273 | return ret; | |
4274 | ||
4275 | ret = vino_init(); | |
4276 | if (ret) | |
4277 | return ret; | |
4278 | ||
4279 | /* initialize data structures */ | |
4280 | ||
4281 | spin_lock_init(&vino_drvdata->vino_lock); | |
4282 | spin_lock_init(&vino_drvdata->input_lock); | |
4283 | ||
4284 | ret = vino_init_channel_settings(&vino_drvdata->a, VINO_CHANNEL_A, | |
0ef4dbad | 4285 | vino_vdev_name_a); |
d203a7ec RB |
4286 | if (ret) |
4287 | return ret; | |
4288 | ||
4289 | ret = vino_init_channel_settings(&vino_drvdata->b, VINO_CHANNEL_B, | |
0ef4dbad | 4290 | vino_vdev_name_b); |
d203a7ec RB |
4291 | if (ret) |
4292 | return ret; | |
4293 | ||
4294 | /* initialize hardware and register V4L devices */ | |
4295 | ||
4296 | ret = request_irq(SGI_VINO_IRQ, vino_interrupt, 0, | |
4297 | vino_driver_description, NULL); | |
4298 | if (ret) { | |
4299 | printk(KERN_ERR "VINO: requesting IRQ %02d failed\n", | |
4300 | SGI_VINO_IRQ); | |
4301 | vino_module_cleanup(vino_init_stage); | |
4302 | return -EAGAIN; | |
4303 | } | |
4304 | vino_init_stage++; | |
4305 | ||
cea0c681 | 4306 | ret = i2c_add_adapter(&vino_i2c_adapter); |
d203a7ec RB |
4307 | if (ret) { |
4308 | printk(KERN_ERR "VINO I2C bus registration failed\n"); | |
4309 | vino_module_cleanup(vino_init_stage); | |
4310 | return ret; | |
4311 | } | |
28959638 | 4312 | i2c_set_adapdata(&vino_i2c_adapter, &vino_drvdata->v4l2_dev); |
d203a7ec RB |
4313 | vino_init_stage++; |
4314 | ||
0ef4dbad | 4315 | ret = video_register_device(vino_drvdata->a.vdev, |
d203a7ec RB |
4316 | VFL_TYPE_GRABBER, -1); |
4317 | if (ret < 0) { | |
4318 | printk(KERN_ERR "VINO channel A Video4Linux-device " | |
4319 | "registration failed\n"); | |
4320 | vino_module_cleanup(vino_init_stage); | |
4321 | return -EINVAL; | |
4322 | } | |
4323 | vino_init_stage++; | |
4324 | ||
0ef4dbad | 4325 | ret = video_register_device(vino_drvdata->b.vdev, |
d203a7ec RB |
4326 | VFL_TYPE_GRABBER, -1); |
4327 | if (ret < 0) { | |
4328 | printk(KERN_ERR "VINO channel B Video4Linux-device " | |
4329 | "registration failed\n"); | |
4330 | vino_module_cleanup(vino_init_stage); | |
4331 | return -EINVAL; | |
4332 | } | |
4333 | vino_init_stage++; | |
4334 | ||
e6574f2f | 4335 | vino_drvdata->decoder = |
53dacb15 HV |
4336 | v4l2_i2c_new_subdev(&vino_drvdata->v4l2_dev, &vino_i2c_adapter, |
4337 | "saa7191", "saa7191", 0, I2C_ADDRS(0x45)); | |
e6574f2f | 4338 | vino_drvdata->camera = |
53dacb15 HV |
4339 | v4l2_i2c_new_subdev(&vino_drvdata->v4l2_dev, &vino_i2c_adapter, |
4340 | "indycam", "indycam", 0, I2C_ADDRS(0x2b)); | |
d203a7ec RB |
4341 | |
4342 | dprintk("init complete!\n"); | |
4343 | ||
4344 | return 0; | |
4345 | } | |
4346 | ||
4347 | static void __exit vino_module_exit(void) | |
4348 | { | |
4349 | dprintk("exiting, stage = %d ...\n", vino_init_stage); | |
4350 | vino_module_cleanup(vino_init_stage); | |
4351 | dprintk("cleanup complete, exit!\n"); | |
4352 | } | |
4353 | ||
4354 | module_init(vino_module_init); | |
4355 | module_exit(vino_module_exit); |