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Commit | Line | Data |
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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 | 35 | #include <linux/kernel.h> |
5a0e3ad6 | 36 | #include <linux/slab.h> |
d203a7ec | 37 | #include <linux/mm.h> |
495515b3 LM |
38 | #include <linux/time.h> |
39 | #include <linux/version.h> | |
d203a7ec | 40 | #include <linux/kmod.h> |
d203a7ec | 41 | |
1da177e4 | 42 | #include <linux/i2c.h> |
1da177e4 | 43 | |
33b687cf | 44 | #include <linux/videodev2.h> |
28959638 | 45 | #include <media/v4l2-device.h> |
c2cfcf70 | 46 | #include <media/v4l2-ioctl.h> |
3593cab5 | 47 | #include <linux/mutex.h> |
d203a7ec | 48 | |
1da177e4 LT |
49 | #include <asm/paccess.h> |
50 | #include <asm/io.h> | |
51 | #include <asm/sgi/ip22.h> | |
1da177e4 LT |
52 | #include <asm/sgi/mc.h> |
53 | ||
54 | #include "vino.h" | |
d203a7ec RB |
55 | #include "saa7191.h" |
56 | #include "indycam.h" | |
1da177e4 | 57 | |
d203a7ec RB |
58 | /* Uncomment the following line to get lots and lots of (mostly useless) |
59 | * debug info. | |
60 | * Note that the debug output also slows down the driver significantly */ | |
61 | // #define VINO_DEBUG | |
a637a114 | 62 | // #define VINO_DEBUG_INT |
d203a7ec | 63 | |
3ff4ad81 HV |
64 | #define VINO_MODULE_VERSION "0.0.6" |
65 | #define VINO_VERSION_CODE KERNEL_VERSION(0, 0, 6) | |
d203a7ec RB |
66 | |
67 | MODULE_DESCRIPTION("SGI VINO Video4Linux2 driver"); | |
68 | MODULE_VERSION(VINO_MODULE_VERSION); | |
69 | MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>"); | |
70 | MODULE_LICENSE("GPL"); | |
71 | ||
d203a7ec RB |
72 | #ifdef VINO_DEBUG |
73 | #define dprintk(x...) printk("VINO: " x); | |
1da177e4 | 74 | #else |
d203a7ec | 75 | #define dprintk(x...) |
1da177e4 LT |
76 | #endif |
77 | ||
d203a7ec RB |
78 | #define VINO_NO_CHANNEL 0 |
79 | #define VINO_CHANNEL_A 1 | |
80 | #define VINO_CHANNEL_B 2 | |
81 | ||
82 | #define VINO_PAL_WIDTH 768 | |
83 | #define VINO_PAL_HEIGHT 576 | |
84 | #define VINO_NTSC_WIDTH 640 | |
85 | #define VINO_NTSC_HEIGHT 480 | |
86 | ||
87 | #define VINO_MIN_WIDTH 32 | |
88 | #define VINO_MIN_HEIGHT 32 | |
89 | ||
90 | #define VINO_CLIPPING_START_ODD_D1 1 | |
a637a114 LM |
91 | #define VINO_CLIPPING_START_ODD_PAL 15 |
92 | #define VINO_CLIPPING_START_ODD_NTSC 12 | |
d203a7ec RB |
93 | |
94 | #define VINO_CLIPPING_START_EVEN_D1 2 | |
a637a114 LM |
95 | #define VINO_CLIPPING_START_EVEN_PAL 15 |
96 | #define VINO_CLIPPING_START_EVEN_NTSC 12 | |
d203a7ec RB |
97 | |
98 | #define VINO_INPUT_CHANNEL_COUNT 3 | |
99 | ||
a637a114 | 100 | /* the number is the index for vino_inputs */ |
d203a7ec RB |
101 | #define VINO_INPUT_NONE -1 |
102 | #define VINO_INPUT_COMPOSITE 0 | |
103 | #define VINO_INPUT_SVIDEO 1 | |
104 | #define VINO_INPUT_D1 2 | |
105 | ||
106 | #define VINO_PAGE_RATIO (PAGE_SIZE / VINO_PAGE_SIZE) | |
107 | ||
a637a114 | 108 | #define VINO_FIFO_THRESHOLD_DEFAULT 16 |
d203a7ec | 109 | |
d203a7ec RB |
110 | #define VINO_FRAMEBUFFER_SIZE ((VINO_PAL_WIDTH \ |
111 | * VINO_PAL_HEIGHT * 4 \ | |
112 | + 3 * PAGE_SIZE) & ~(PAGE_SIZE - 1)) | |
113 | ||
a637a114 | 114 | #define VINO_FRAMEBUFFER_COUNT_MAX 8 |
d203a7ec RB |
115 | |
116 | #define VINO_FRAMEBUFFER_UNUSED 0 | |
117 | #define VINO_FRAMEBUFFER_IN_USE 1 | |
118 | #define VINO_FRAMEBUFFER_READY 2 | |
119 | ||
120 | #define VINO_QUEUE_ERROR -1 | |
121 | #define VINO_QUEUE_MAGIC 0x20050125 | |
122 | ||
123 | #define VINO_MEMORY_NONE 0 | |
124 | #define VINO_MEMORY_MMAP 1 | |
125 | #define VINO_MEMORY_USERPTR 2 | |
126 | ||
127 | #define VINO_DUMMY_DESC_COUNT 4 | |
128 | #define VINO_DESC_FETCH_DELAY 5 /* microseconds */ | |
129 | ||
a637a114 LM |
130 | #define VINO_MAX_FRAME_SKIP_COUNT 128 |
131 | ||
d203a7ec RB |
132 | /* the number is the index for vino_data_formats */ |
133 | #define VINO_DATA_FMT_NONE -1 | |
134 | #define VINO_DATA_FMT_GREY 0 | |
135 | #define VINO_DATA_FMT_RGB332 1 | |
136 | #define VINO_DATA_FMT_RGB32 2 | |
137 | #define VINO_DATA_FMT_YUV 3 | |
d203a7ec RB |
138 | |
139 | #define VINO_DATA_FMT_COUNT 4 | |
140 | ||
a637a114 | 141 | /* the number is the index for vino_data_norms */ |
d203a7ec RB |
142 | #define VINO_DATA_NORM_NONE -1 |
143 | #define VINO_DATA_NORM_NTSC 0 | |
144 | #define VINO_DATA_NORM_PAL 1 | |
145 | #define VINO_DATA_NORM_SECAM 2 | |
146 | #define VINO_DATA_NORM_D1 3 | |
d203a7ec RB |
147 | |
148 | #define VINO_DATA_NORM_COUNT 4 | |
149 | ||
cea0c681 JD |
150 | /* I2C controller flags */ |
151 | #define SGI_I2C_FORCE_IDLE (0 << 0) | |
152 | #define SGI_I2C_NOT_IDLE (1 << 0) | |
153 | #define SGI_I2C_WRITE (0 << 1) | |
154 | #define SGI_I2C_READ (1 << 1) | |
155 | #define SGI_I2C_RELEASE_BUS (0 << 2) | |
156 | #define SGI_I2C_HOLD_BUS (1 << 2) | |
157 | #define SGI_I2C_XFER_DONE (0 << 4) | |
158 | #define SGI_I2C_XFER_BUSY (1 << 4) | |
159 | #define SGI_I2C_ACK (0 << 5) | |
160 | #define SGI_I2C_NACK (1 << 5) | |
161 | #define SGI_I2C_BUS_OK (0 << 7) | |
162 | #define SGI_I2C_BUS_ERR (1 << 7) | |
163 | ||
d203a7ec RB |
164 | /* Internal data structure definitions */ |
165 | ||
166 | struct vino_input { | |
167 | char *name; | |
168 | v4l2_std_id std; | |
169 | }; | |
170 | ||
171 | struct vino_clipping { | |
172 | unsigned int left, right, top, bottom; | |
173 | }; | |
174 | ||
175 | struct vino_data_format { | |
176 | /* the description */ | |
177 | char *description; | |
178 | /* bytes per pixel */ | |
179 | unsigned int bpp; | |
180 | /* V4L2 fourcc code */ | |
181 | __u32 pixelformat; | |
182 | /* V4L2 colorspace (duh!) */ | |
183 | enum v4l2_colorspace colorspace; | |
184 | }; | |
185 | ||
186 | struct vino_data_norm { | |
187 | char *description; | |
188 | unsigned int width, height; | |
189 | struct vino_clipping odd; | |
190 | struct vino_clipping even; | |
191 | ||
192 | v4l2_std_id std; | |
193 | unsigned int fps_min, fps_max; | |
194 | __u32 framelines; | |
195 | }; | |
196 | ||
197 | struct vino_descriptor_table { | |
198 | /* the number of PAGE_SIZE sized pages in the buffer */ | |
199 | unsigned int page_count; | |
200 | /* virtual (kmalloc'd) pointers to the actual data | |
201 | * (in PAGE_SIZE chunks, used with mmap streaming) */ | |
202 | unsigned long *virtual; | |
203 | ||
204 | /* cpu address for the VINO descriptor table | |
205 | * (contains DMA addresses, VINO_PAGE_SIZE chunks) */ | |
206 | unsigned long *dma_cpu; | |
207 | /* dma address for the VINO descriptor table | |
208 | * (contains DMA addresses, VINO_PAGE_SIZE chunks) */ | |
209 | dma_addr_t dma; | |
210 | }; | |
211 | ||
212 | struct vino_framebuffer { | |
213 | /* identifier nubmer */ | |
214 | unsigned int id; | |
215 | /* the length of the whole buffer */ | |
216 | unsigned int size; | |
217 | /* the length of actual data in buffer */ | |
218 | unsigned int data_size; | |
219 | /* the data format */ | |
220 | unsigned int data_format; | |
221 | /* the state of buffer data */ | |
222 | unsigned int state; | |
223 | /* is the buffer mapped in user space? */ | |
224 | unsigned int map_count; | |
225 | /* memory offset for mmap() */ | |
226 | unsigned int offset; | |
227 | /* frame counter */ | |
228 | unsigned int frame_counter; | |
229 | /* timestamp (written when image capture finishes) */ | |
230 | struct timeval timestamp; | |
231 | ||
232 | struct vino_descriptor_table desc_table; | |
233 | ||
234 | spinlock_t state_lock; | |
235 | }; | |
236 | ||
237 | struct vino_framebuffer_fifo { | |
238 | unsigned int length; | |
239 | ||
240 | unsigned int used; | |
241 | unsigned int head; | |
242 | unsigned int tail; | |
243 | ||
a637a114 | 244 | unsigned int data[VINO_FRAMEBUFFER_COUNT_MAX]; |
d203a7ec RB |
245 | }; |
246 | ||
247 | struct vino_framebuffer_queue { | |
248 | unsigned int magic; | |
249 | ||
250 | /* VINO_MEMORY_NONE, VINO_MEMORY_MMAP or VINO_MEMORY_USERPTR */ | |
251 | unsigned int type; | |
252 | unsigned int length; | |
253 | ||
254 | /* data field of in and out contain index numbers for buffer */ | |
255 | struct vino_framebuffer_fifo in; | |
256 | struct vino_framebuffer_fifo out; | |
257 | ||
a637a114 | 258 | struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX]; |
1da177e4 | 259 | |
d203a7ec | 260 | spinlock_t queue_lock; |
3593cab5 | 261 | struct mutex queue_mutex; |
d203a7ec RB |
262 | wait_queue_head_t frame_wait_queue; |
263 | }; | |
264 | ||
a637a114 LM |
265 | struct vino_interrupt_data { |
266 | struct timeval timestamp; | |
267 | unsigned int frame_counter; | |
268 | unsigned int skip_count; | |
269 | unsigned int skip; | |
270 | }; | |
271 | ||
d203a7ec RB |
272 | struct vino_channel_settings { |
273 | unsigned int channel; | |
274 | ||
275 | int input; | |
276 | unsigned int data_format; | |
277 | unsigned int data_norm; | |
278 | struct vino_clipping clipping; | |
279 | unsigned int decimation; | |
280 | unsigned int line_size; | |
281 | unsigned int alpha; | |
282 | unsigned int fps; | |
283 | unsigned int framert_reg; | |
284 | ||
285 | unsigned int fifo_threshold; | |
286 | ||
287 | struct vino_framebuffer_queue fb_queue; | |
288 | ||
289 | /* number of the current field */ | |
290 | unsigned int field; | |
291 | ||
292 | /* read in progress */ | |
293 | int reading; | |
294 | /* streaming is active */ | |
295 | int streaming; | |
296 | /* the driver is currently processing the queue */ | |
297 | int capturing; | |
298 | ||
3593cab5 | 299 | struct mutex mutex; |
d203a7ec | 300 | spinlock_t capture_lock; |
1da177e4 | 301 | |
d203a7ec | 302 | unsigned int users; |
1da177e4 | 303 | |
a637a114 LM |
304 | struct vino_interrupt_data int_data; |
305 | ||
d203a7ec | 306 | /* V4L support */ |
0ef4dbad | 307 | struct video_device *vdev; |
1da177e4 LT |
308 | }; |
309 | ||
d203a7ec | 310 | struct vino_settings { |
28959638 | 311 | struct v4l2_device v4l2_dev; |
d203a7ec RB |
312 | struct vino_channel_settings a; |
313 | struct vino_channel_settings b; | |
1da177e4 | 314 | |
48f4dacb HV |
315 | /* the channel which owns this client: |
316 | * VINO_NO_CHANNEL, VINO_CHANNEL_A or VINO_CHANNEL_B */ | |
317 | unsigned int decoder_owner; | |
318 | struct v4l2_subdev *decoder; | |
319 | unsigned int camera_owner; | |
320 | struct v4l2_subdev *camera; | |
1da177e4 | 321 | |
d203a7ec RB |
322 | /* a lock for vino register access */ |
323 | spinlock_t vino_lock; | |
324 | /* a lock for channel input changes */ | |
325 | spinlock_t input_lock; | |
1da177e4 | 326 | |
1da177e4 | 327 | unsigned long dummy_page; |
d203a7ec RB |
328 | struct vino_descriptor_table dummy_desc_table; |
329 | }; | |
330 | ||
331 | /* Module parameters */ | |
332 | ||
333 | /* | |
a637a114 | 334 | * Using vino_pixel_conversion the ABGR32-format pixels supplied |
d203a7ec RB |
335 | * by the VINO chip can be converted to more common formats |
336 | * like RGBA32 (or probably RGB24 in the future). This way we | |
337 | * can give out data that can be specified correctly with | |
338 | * the V4L2-definitions. | |
339 | * | |
340 | * The pixel format is specified as RGBA32 when no conversion | |
341 | * is used. | |
342 | * | |
343 | * Note that this only affects the 32-bit bit depth. | |
344 | * | |
345 | * Use non-zero value to enable conversion. | |
346 | */ | |
ff699e6b | 347 | static int vino_pixel_conversion; |
a637a114 | 348 | |
d203a7ec | 349 | module_param_named(pixelconv, vino_pixel_conversion, int, 0); |
a637a114 | 350 | |
d203a7ec RB |
351 | MODULE_PARM_DESC(pixelconv, |
352 | "enable pixel conversion (non-zero value enables)"); | |
353 | ||
354 | /* Internal data structures */ | |
355 | ||
356 | static struct sgi_vino *vino; | |
357 | ||
358 | static struct vino_settings *vino_drvdata; | |
359 | ||
48f4dacb HV |
360 | #define camera_call(o, f, args...) \ |
361 | v4l2_subdev_call(vino_drvdata->camera, o, f, ##args) | |
362 | #define decoder_call(o, f, args...) \ | |
363 | v4l2_subdev_call(vino_drvdata->decoder, o, f, ##args) | |
364 | ||
d203a7ec RB |
365 | static const char *vino_driver_name = "vino"; |
366 | static const char *vino_driver_description = "SGI VINO"; | |
367 | static const char *vino_bus_name = "GIO64 bus"; | |
0ef4dbad HV |
368 | static const char *vino_vdev_name_a = "SGI VINO Channel A"; |
369 | static const char *vino_vdev_name_b = "SGI VINO Channel B"; | |
d203a7ec | 370 | |
a637a114 LM |
371 | static void vino_capture_tasklet(unsigned long channel); |
372 | ||
373 | DECLARE_TASKLET(vino_tasklet_a, vino_capture_tasklet, VINO_CHANNEL_A); | |
374 | DECLARE_TASKLET(vino_tasklet_b, vino_capture_tasklet, VINO_CHANNEL_B); | |
375 | ||
d203a7ec RB |
376 | static const struct vino_input vino_inputs[] = { |
377 | { | |
378 | .name = "Composite", | |
a637a114 LM |
379 | .std = V4L2_STD_NTSC | V4L2_STD_PAL |
380 | | V4L2_STD_SECAM, | |
cf4e9484 | 381 | }, { |
d203a7ec | 382 | .name = "S-Video", |
a637a114 LM |
383 | .std = V4L2_STD_NTSC | V4L2_STD_PAL |
384 | | V4L2_STD_SECAM, | |
cf4e9484 | 385 | }, { |
a637a114 | 386 | .name = "D1/IndyCam", |
d203a7ec RB |
387 | .std = V4L2_STD_NTSC, |
388 | } | |
389 | }; | |
390 | ||
391 | static const struct vino_data_format vino_data_formats[] = { | |
392 | { | |
393 | .description = "8-bit greyscale", | |
394 | .bpp = 1, | |
395 | .pixelformat = V4L2_PIX_FMT_GREY, | |
396 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
cf4e9484 | 397 | }, { |
d203a7ec RB |
398 | .description = "8-bit dithered RGB 3-3-2", |
399 | .bpp = 1, | |
400 | .pixelformat = V4L2_PIX_FMT_RGB332, | |
401 | .colorspace = V4L2_COLORSPACE_SRGB, | |
cf4e9484 | 402 | }, { |
d203a7ec RB |
403 | .description = "32-bit RGB", |
404 | .bpp = 4, | |
405 | .pixelformat = V4L2_PIX_FMT_RGB32, | |
406 | .colorspace = V4L2_COLORSPACE_SRGB, | |
cf4e9484 | 407 | }, { |
d203a7ec | 408 | .description = "YUV 4:2:2", |
a637a114 | 409 | .bpp = 2, |
d203a7ec RB |
410 | .pixelformat = V4L2_PIX_FMT_YUYV, // XXX: swapped? |
411 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
a637a114 | 412 | } |
d203a7ec RB |
413 | }; |
414 | ||
415 | static const struct vino_data_norm vino_data_norms[] = { | |
416 | { | |
417 | .description = "NTSC", | |
418 | .std = V4L2_STD_NTSC, | |
419 | .fps_min = 6, | |
420 | .fps_max = 30, | |
421 | .framelines = 525, | |
422 | .width = VINO_NTSC_WIDTH, | |
423 | .height = VINO_NTSC_HEIGHT, | |
424 | .odd = { | |
a637a114 LM |
425 | .top = VINO_CLIPPING_START_ODD_NTSC, |
426 | .left = 0, | |
d203a7ec RB |
427 | .bottom = VINO_CLIPPING_START_ODD_NTSC |
428 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 429 | .right = VINO_NTSC_WIDTH, |
d203a7ec RB |
430 | }, |
431 | .even = { | |
a637a114 LM |
432 | .top = VINO_CLIPPING_START_EVEN_NTSC, |
433 | .left = 0, | |
d203a7ec RB |
434 | .bottom = VINO_CLIPPING_START_EVEN_NTSC |
435 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 436 | .right = VINO_NTSC_WIDTH, |
d203a7ec | 437 | }, |
cf4e9484 | 438 | }, { |
d203a7ec RB |
439 | .description = "PAL", |
440 | .std = V4L2_STD_PAL, | |
441 | .fps_min = 5, | |
442 | .fps_max = 25, | |
443 | .framelines = 625, | |
444 | .width = VINO_PAL_WIDTH, | |
445 | .height = VINO_PAL_HEIGHT, | |
446 | .odd = { | |
a637a114 LM |
447 | .top = VINO_CLIPPING_START_ODD_PAL, |
448 | .left = 0, | |
d203a7ec RB |
449 | .bottom = VINO_CLIPPING_START_ODD_PAL |
450 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 451 | .right = VINO_PAL_WIDTH, |
d203a7ec RB |
452 | }, |
453 | .even = { | |
a637a114 LM |
454 | .top = VINO_CLIPPING_START_EVEN_PAL, |
455 | .left = 0, | |
d203a7ec RB |
456 | .bottom = VINO_CLIPPING_START_EVEN_PAL |
457 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 458 | .right = VINO_PAL_WIDTH, |
d203a7ec | 459 | }, |
cf4e9484 | 460 | }, { |
d203a7ec RB |
461 | .description = "SECAM", |
462 | .std = V4L2_STD_SECAM, | |
463 | .fps_min = 5, | |
464 | .fps_max = 25, | |
465 | .framelines = 625, | |
466 | .width = VINO_PAL_WIDTH, | |
467 | .height = VINO_PAL_HEIGHT, | |
468 | .odd = { | |
a637a114 LM |
469 | .top = VINO_CLIPPING_START_ODD_PAL, |
470 | .left = 0, | |
d203a7ec RB |
471 | .bottom = VINO_CLIPPING_START_ODD_PAL |
472 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 473 | .right = VINO_PAL_WIDTH, |
d203a7ec RB |
474 | }, |
475 | .even = { | |
a637a114 LM |
476 | .top = VINO_CLIPPING_START_EVEN_PAL, |
477 | .left = 0, | |
d203a7ec RB |
478 | .bottom = VINO_CLIPPING_START_EVEN_PAL |
479 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 480 | .right = VINO_PAL_WIDTH, |
d203a7ec | 481 | }, |
cf4e9484 | 482 | }, { |
a637a114 | 483 | .description = "NTSC/D1", |
d203a7ec RB |
484 | .std = V4L2_STD_NTSC, |
485 | .fps_min = 6, | |
486 | .fps_max = 30, | |
487 | .framelines = 525, | |
488 | .width = VINO_NTSC_WIDTH, | |
489 | .height = VINO_NTSC_HEIGHT, | |
490 | .odd = { | |
a637a114 LM |
491 | .top = VINO_CLIPPING_START_ODD_D1, |
492 | .left = 0, | |
d203a7ec RB |
493 | .bottom = VINO_CLIPPING_START_ODD_D1 |
494 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 495 | .right = VINO_NTSC_WIDTH, |
d203a7ec RB |
496 | }, |
497 | .even = { | |
a637a114 LM |
498 | .top = VINO_CLIPPING_START_EVEN_D1, |
499 | .left = 0, | |
d203a7ec RB |
500 | .bottom = VINO_CLIPPING_START_EVEN_D1 |
501 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 502 | .right = VINO_NTSC_WIDTH, |
d203a7ec RB |
503 | }, |
504 | } | |
505 | }; | |
506 | ||
507 | #define VINO_INDYCAM_V4L2_CONTROL_COUNT 9 | |
508 | ||
509 | struct v4l2_queryctrl vino_indycam_v4l2_controls[] = { | |
510 | { | |
511 | .id = V4L2_CID_AUTOGAIN, | |
512 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
513 | .name = "Automatic Gain Control", | |
514 | .minimum = 0, | |
515 | .maximum = 1, | |
516 | .step = 1, | |
517 | .default_value = INDYCAM_AGC_DEFAULT, | |
cf4e9484 | 518 | }, { |
d203a7ec RB |
519 | .id = V4L2_CID_AUTO_WHITE_BALANCE, |
520 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
521 | .name = "Automatic White Balance", | |
522 | .minimum = 0, | |
523 | .maximum = 1, | |
524 | .step = 1, | |
525 | .default_value = INDYCAM_AWB_DEFAULT, | |
cf4e9484 | 526 | }, { |
d203a7ec RB |
527 | .id = V4L2_CID_GAIN, |
528 | .type = V4L2_CTRL_TYPE_INTEGER, | |
529 | .name = "Gain", | |
530 | .minimum = INDYCAM_GAIN_MIN, | |
531 | .maximum = INDYCAM_GAIN_MAX, | |
532 | .step = 1, | |
533 | .default_value = INDYCAM_GAIN_DEFAULT, | |
cf4e9484 HV |
534 | }, { |
535 | .id = INDYCAM_CONTROL_RED_SATURATION, | |
d203a7ec RB |
536 | .type = V4L2_CTRL_TYPE_INTEGER, |
537 | .name = "Red Saturation", | |
538 | .minimum = INDYCAM_RED_SATURATION_MIN, | |
539 | .maximum = INDYCAM_RED_SATURATION_MAX, | |
540 | .step = 1, | |
541 | .default_value = INDYCAM_RED_SATURATION_DEFAULT, | |
cf4e9484 HV |
542 | }, { |
543 | .id = INDYCAM_CONTROL_BLUE_SATURATION, | |
d203a7ec RB |
544 | .type = V4L2_CTRL_TYPE_INTEGER, |
545 | .name = "Blue Saturation", | |
546 | .minimum = INDYCAM_BLUE_SATURATION_MIN, | |
547 | .maximum = INDYCAM_BLUE_SATURATION_MAX, | |
548 | .step = 1, | |
549 | .default_value = INDYCAM_BLUE_SATURATION_DEFAULT, | |
cf4e9484 | 550 | }, { |
d203a7ec RB |
551 | .id = V4L2_CID_RED_BALANCE, |
552 | .type = V4L2_CTRL_TYPE_INTEGER, | |
553 | .name = "Red Balance", | |
554 | .minimum = INDYCAM_RED_BALANCE_MIN, | |
555 | .maximum = INDYCAM_RED_BALANCE_MAX, | |
556 | .step = 1, | |
557 | .default_value = INDYCAM_RED_BALANCE_DEFAULT, | |
cf4e9484 | 558 | }, { |
d203a7ec RB |
559 | .id = V4L2_CID_BLUE_BALANCE, |
560 | .type = V4L2_CTRL_TYPE_INTEGER, | |
561 | .name = "Blue Balance", | |
562 | .minimum = INDYCAM_BLUE_BALANCE_MIN, | |
563 | .maximum = INDYCAM_BLUE_BALANCE_MAX, | |
564 | .step = 1, | |
565 | .default_value = INDYCAM_BLUE_BALANCE_DEFAULT, | |
cf4e9484 | 566 | }, { |
d203a7ec RB |
567 | .id = V4L2_CID_EXPOSURE, |
568 | .type = V4L2_CTRL_TYPE_INTEGER, | |
569 | .name = "Shutter Control", | |
570 | .minimum = INDYCAM_SHUTTER_MIN, | |
571 | .maximum = INDYCAM_SHUTTER_MAX, | |
572 | .step = 1, | |
573 | .default_value = INDYCAM_SHUTTER_DEFAULT, | |
cf4e9484 | 574 | }, { |
d203a7ec RB |
575 | .id = V4L2_CID_GAMMA, |
576 | .type = V4L2_CTRL_TYPE_INTEGER, | |
577 | .name = "Gamma", | |
578 | .minimum = INDYCAM_GAMMA_MIN, | |
579 | .maximum = INDYCAM_GAMMA_MAX, | |
580 | .step = 1, | |
581 | .default_value = INDYCAM_GAMMA_DEFAULT, | |
d203a7ec RB |
582 | } |
583 | }; | |
584 | ||
a637a114 | 585 | #define VINO_SAA7191_V4L2_CONTROL_COUNT 9 |
d203a7ec RB |
586 | |
587 | struct v4l2_queryctrl vino_saa7191_v4l2_controls[] = { | |
588 | { | |
589 | .id = V4L2_CID_HUE, | |
590 | .type = V4L2_CTRL_TYPE_INTEGER, | |
591 | .name = "Hue", | |
592 | .minimum = SAA7191_HUE_MIN, | |
593 | .maximum = SAA7191_HUE_MAX, | |
594 | .step = 1, | |
595 | .default_value = SAA7191_HUE_DEFAULT, | |
cf4e9484 HV |
596 | }, { |
597 | .id = SAA7191_CONTROL_BANDPASS, | |
a637a114 LM |
598 | .type = V4L2_CTRL_TYPE_INTEGER, |
599 | .name = "Luminance Bandpass", | |
600 | .minimum = SAA7191_BANDPASS_MIN, | |
601 | .maximum = SAA7191_BANDPASS_MAX, | |
602 | .step = 1, | |
603 | .default_value = SAA7191_BANDPASS_DEFAULT, | |
cf4e9484 HV |
604 | }, { |
605 | .id = SAA7191_CONTROL_BANDPASS_WEIGHT, | |
a637a114 LM |
606 | .type = V4L2_CTRL_TYPE_INTEGER, |
607 | .name = "Luminance Bandpass Weight", | |
608 | .minimum = SAA7191_BANDPASS_WEIGHT_MIN, | |
609 | .maximum = SAA7191_BANDPASS_WEIGHT_MAX, | |
610 | .step = 1, | |
611 | .default_value = SAA7191_BANDPASS_WEIGHT_DEFAULT, | |
cf4e9484 HV |
612 | }, { |
613 | .id = SAA7191_CONTROL_CORING, | |
a637a114 LM |
614 | .type = V4L2_CTRL_TYPE_INTEGER, |
615 | .name = "HF Luminance Coring", | |
616 | .minimum = SAA7191_CORING_MIN, | |
617 | .maximum = SAA7191_CORING_MAX, | |
618 | .step = 1, | |
619 | .default_value = SAA7191_CORING_DEFAULT, | |
cf4e9484 HV |
620 | }, { |
621 | .id = SAA7191_CONTROL_FORCE_COLOUR, | |
a637a114 LM |
622 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
623 | .name = "Force Colour", | |
624 | .minimum = SAA7191_FORCE_COLOUR_MIN, | |
625 | .maximum = SAA7191_FORCE_COLOUR_MAX, | |
626 | .step = 1, | |
627 | .default_value = SAA7191_FORCE_COLOUR_DEFAULT, | |
cf4e9484 HV |
628 | }, { |
629 | .id = SAA7191_CONTROL_CHROMA_GAIN, | |
a637a114 LM |
630 | .type = V4L2_CTRL_TYPE_INTEGER, |
631 | .name = "Chrominance Gain Control", | |
632 | .minimum = SAA7191_CHROMA_GAIN_MIN, | |
633 | .maximum = SAA7191_CHROMA_GAIN_MAX, | |
634 | .step = 1, | |
635 | .default_value = SAA7191_CHROMA_GAIN_DEFAULT, | |
cf4e9484 HV |
636 | }, { |
637 | .id = SAA7191_CONTROL_VTRC, | |
d203a7ec RB |
638 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
639 | .name = "VTR Time Constant", | |
640 | .minimum = SAA7191_VTRC_MIN, | |
641 | .maximum = SAA7191_VTRC_MAX, | |
642 | .step = 1, | |
643 | .default_value = SAA7191_VTRC_DEFAULT, | |
cf4e9484 HV |
644 | }, { |
645 | .id = SAA7191_CONTROL_LUMA_DELAY, | |
a637a114 LM |
646 | .type = V4L2_CTRL_TYPE_INTEGER, |
647 | .name = "Luminance Delay Compensation", | |
648 | .minimum = SAA7191_LUMA_DELAY_MIN, | |
649 | .maximum = SAA7191_LUMA_DELAY_MAX, | |
650 | .step = 1, | |
651 | .default_value = SAA7191_LUMA_DELAY_DEFAULT, | |
cf4e9484 HV |
652 | }, { |
653 | .id = SAA7191_CONTROL_VNR, | |
a637a114 LM |
654 | .type = V4L2_CTRL_TYPE_INTEGER, |
655 | .name = "Vertical Noise Reduction", | |
656 | .minimum = SAA7191_VNR_MIN, | |
657 | .maximum = SAA7191_VNR_MAX, | |
658 | .step = 1, | |
659 | .default_value = SAA7191_VNR_DEFAULT, | |
d203a7ec | 660 | } |
1da177e4 LT |
661 | }; |
662 | ||
d203a7ec RB |
663 | /* VINO framebuffer/DMA descriptor management */ |
664 | ||
665 | static void vino_free_buffer_with_count(struct vino_framebuffer *fb, | |
666 | unsigned int count) | |
1da177e4 | 667 | { |
d203a7ec | 668 | unsigned int i; |
1da177e4 | 669 | |
d203a7ec RB |
670 | dprintk("vino_free_buffer_with_count(): count = %d\n", count); |
671 | ||
672 | for (i = 0; i < count; i++) { | |
eda9e4e2 | 673 | ClearPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
d203a7ec RB |
674 | dma_unmap_single(NULL, |
675 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], | |
676 | PAGE_SIZE, DMA_FROM_DEVICE); | |
677 | free_page(fb->desc_table.virtual[i]); | |
678 | } | |
679 | ||
680 | dma_free_coherent(NULL, | |
681 | VINO_PAGE_RATIO * (fb->desc_table.page_count + 4) * | |
682 | sizeof(dma_addr_t), (void *)fb->desc_table.dma_cpu, | |
683 | fb->desc_table.dma); | |
684 | kfree(fb->desc_table.virtual); | |
685 | ||
686 | memset(fb, 0, sizeof(struct vino_framebuffer)); | |
687 | } | |
688 | ||
689 | static void vino_free_buffer(struct vino_framebuffer *fb) | |
690 | { | |
691 | vino_free_buffer_with_count(fb, fb->desc_table.page_count); | |
1da177e4 LT |
692 | } |
693 | ||
d203a7ec RB |
694 | static int vino_allocate_buffer(struct vino_framebuffer *fb, |
695 | unsigned int size) | |
1da177e4 | 696 | { |
d203a7ec RB |
697 | unsigned int count, i, j; |
698 | int ret = 0; | |
699 | ||
700 | dprintk("vino_allocate_buffer():\n"); | |
701 | ||
702 | if (size < 1) | |
703 | return -EINVAL; | |
704 | ||
705 | memset(fb, 0, sizeof(struct vino_framebuffer)); | |
706 | ||
707 | count = ((size / PAGE_SIZE) + 4) & ~3; | |
708 | ||
709 | dprintk("vino_allocate_buffer(): size = %d, count = %d\n", | |
710 | size, count); | |
711 | ||
712 | /* allocate memory for table with virtual (page) addresses */ | |
713 | fb->desc_table.virtual = (unsigned long *) | |
714 | kmalloc(count * sizeof(unsigned long), GFP_KERNEL); | |
715 | if (!fb->desc_table.virtual) | |
716 | return -ENOMEM; | |
717 | ||
718 | /* allocate memory for table with dma addresses | |
719 | * (has space for four extra descriptors) */ | |
720 | fb->desc_table.dma_cpu = | |
721 | dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) * | |
722 | sizeof(dma_addr_t), &fb->desc_table.dma, | |
723 | GFP_KERNEL | GFP_DMA); | |
724 | if (!fb->desc_table.dma_cpu) { | |
725 | ret = -ENOMEM; | |
726 | goto out_free_virtual; | |
727 | } | |
728 | ||
729 | /* allocate pages for the buffer and acquire the according | |
730 | * dma addresses */ | |
731 | for (i = 0; i < count; i++) { | |
732 | dma_addr_t dma_data_addr; | |
733 | ||
734 | fb->desc_table.virtual[i] = | |
735 | get_zeroed_page(GFP_KERNEL | GFP_DMA); | |
736 | if (!fb->desc_table.virtual[i]) { | |
737 | ret = -ENOBUFS; | |
738 | break; | |
739 | } | |
740 | ||
741 | dma_data_addr = | |
742 | dma_map_single(NULL, | |
743 | (void *)fb->desc_table.virtual[i], | |
744 | PAGE_SIZE, DMA_FROM_DEVICE); | |
745 | ||
746 | for (j = 0; j < VINO_PAGE_RATIO; j++) { | |
747 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] = | |
748 | dma_data_addr + VINO_PAGE_SIZE * j; | |
749 | } | |
750 | ||
eda9e4e2 | 751 | SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
d203a7ec RB |
752 | } |
753 | ||
754 | /* page_count needs to be set anyway, because the descriptor table has | |
755 | * been allocated according to this number */ | |
756 | fb->desc_table.page_count = count; | |
757 | ||
758 | if (ret) { | |
759 | /* the descriptor with index i doesn't contain | |
760 | * a valid address yet */ | |
761 | vino_free_buffer_with_count(fb, i); | |
762 | return ret; | |
763 | } | |
764 | ||
765 | //fb->size = size; | |
766 | fb->size = count * PAGE_SIZE; | |
767 | fb->data_format = VINO_DATA_FMT_NONE; | |
768 | ||
769 | /* set the dma stop-bit for the last (count+1)th descriptor */ | |
770 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP; | |
771 | return 0; | |
772 | ||
773 | out_free_virtual: | |
774 | kfree(fb->desc_table.virtual); | |
775 | return ret; | |
1da177e4 LT |
776 | } |
777 | ||
d203a7ec RB |
778 | #if 0 |
779 | /* user buffers not fully implemented yet */ | |
780 | static int vino_prepare_user_buffer(struct vino_framebuffer *fb, | |
781 | void *user, | |
782 | unsigned int size) | |
1da177e4 | 783 | { |
d203a7ec RB |
784 | unsigned int count, i, j; |
785 | int ret = 0; | |
786 | ||
787 | dprintk("vino_prepare_user_buffer():\n"); | |
788 | ||
789 | if (size < 1) | |
790 | return -EINVAL; | |
791 | ||
792 | memset(fb, 0, sizeof(struct vino_framebuffer)); | |
793 | ||
794 | count = ((size / PAGE_SIZE)) & ~3; | |
795 | ||
796 | dprintk("vino_prepare_user_buffer(): size = %d, count = %d\n", | |
797 | size, count); | |
798 | ||
799 | /* allocate memory for table with virtual (page) addresses */ | |
800 | fb->desc_table.virtual = (unsigned long *) | |
801 | kmalloc(count * sizeof(unsigned long), GFP_KERNEL); | |
802 | if (!fb->desc_table.virtual) | |
803 | return -ENOMEM; | |
804 | ||
805 | /* allocate memory for table with dma addresses | |
806 | * (has space for four extra descriptors) */ | |
807 | fb->desc_table.dma_cpu = | |
808 | dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) * | |
809 | sizeof(dma_addr_t), &fb->desc_table.dma, | |
810 | GFP_KERNEL | GFP_DMA); | |
811 | if (!fb->desc_table.dma_cpu) { | |
812 | ret = -ENOMEM; | |
813 | goto out_free_virtual; | |
814 | } | |
815 | ||
816 | /* allocate pages for the buffer and acquire the according | |
817 | * dma addresses */ | |
818 | for (i = 0; i < count; i++) { | |
819 | dma_addr_t dma_data_addr; | |
820 | ||
821 | fb->desc_table.virtual[i] = | |
822 | get_zeroed_page(GFP_KERNEL | GFP_DMA); | |
823 | if (!fb->desc_table.virtual[i]) { | |
824 | ret = -ENOBUFS; | |
825 | break; | |
826 | } | |
827 | ||
828 | dma_data_addr = | |
829 | dma_map_single(NULL, | |
830 | (void *)fb->desc_table.virtual[i], | |
831 | PAGE_SIZE, DMA_FROM_DEVICE); | |
832 | ||
833 | for (j = 0; j < VINO_PAGE_RATIO; j++) { | |
834 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] = | |
835 | dma_data_addr + VINO_PAGE_SIZE * j; | |
836 | } | |
837 | ||
eda9e4e2 | 838 | SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
d203a7ec | 839 | } |
1da177e4 | 840 | |
d203a7ec RB |
841 | /* page_count needs to be set anyway, because the descriptor table has |
842 | * been allocated according to this number */ | |
843 | fb->desc_table.page_count = count; | |
844 | ||
845 | if (ret) { | |
846 | /* the descriptor with index i doesn't contain | |
847 | * a valid address yet */ | |
848 | vino_free_buffer_with_count(fb, i); | |
849 | return ret; | |
850 | } | |
851 | ||
852 | //fb->size = size; | |
853 | fb->size = count * PAGE_SIZE; | |
854 | ||
855 | /* set the dma stop-bit for the last (count+1)th descriptor */ | |
856 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP; | |
857 | return 0; | |
858 | ||
859 | out_free_virtual: | |
860 | kfree(fb->desc_table.virtual); | |
861 | return ret; | |
1da177e4 | 862 | } |
d203a7ec | 863 | #endif |
1da177e4 | 864 | |
d203a7ec | 865 | static void vino_sync_buffer(struct vino_framebuffer *fb) |
1da177e4 | 866 | { |
d203a7ec RB |
867 | int i; |
868 | ||
869 | dprintk("vino_sync_buffer():\n"); | |
1da177e4 | 870 | |
d203a7ec | 871 | for (i = 0; i < fb->desc_table.page_count; i++) |
028bbfed FT |
872 | dma_sync_single_for_cpu(NULL, |
873 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], | |
874 | PAGE_SIZE, DMA_FROM_DEVICE); | |
1da177e4 LT |
875 | } |
876 | ||
d203a7ec | 877 | /* Framebuffer fifo functions (need to be locked externally) */ |
1da177e4 | 878 | |
a637a114 | 879 | static inline void vino_fifo_init(struct vino_framebuffer_fifo *f, |
d203a7ec | 880 | unsigned int length) |
1da177e4 | 881 | { |
d203a7ec RB |
882 | f->length = 0; |
883 | f->used = 0; | |
884 | f->head = 0; | |
885 | f->tail = 0; | |
1da177e4 | 886 | |
a637a114 LM |
887 | if (length > VINO_FRAMEBUFFER_COUNT_MAX) |
888 | length = VINO_FRAMEBUFFER_COUNT_MAX; | |
1da177e4 | 889 | |
d203a7ec RB |
890 | f->length = length; |
891 | } | |
892 | ||
893 | /* returns true/false */ | |
a637a114 LM |
894 | static inline int vino_fifo_has_id(struct vino_framebuffer_fifo *f, |
895 | unsigned int id) | |
d203a7ec RB |
896 | { |
897 | unsigned int i; | |
a637a114 | 898 | |
d203a7ec RB |
899 | for (i = f->head; i == (f->tail - 1); i = (i + 1) % f->length) { |
900 | if (f->data[i] == id) | |
901 | return 1; | |
1da177e4 LT |
902 | } |
903 | ||
d203a7ec RB |
904 | return 0; |
905 | } | |
1da177e4 | 906 | |
a637a114 | 907 | #if 0 |
d203a7ec | 908 | /* returns true/false */ |
a637a114 | 909 | static inline int vino_fifo_full(struct vino_framebuffer_fifo *f) |
d203a7ec RB |
910 | { |
911 | return (f->used == f->length); | |
912 | } | |
a637a114 | 913 | #endif |
d203a7ec | 914 | |
a637a114 | 915 | static inline unsigned int vino_fifo_get_used(struct vino_framebuffer_fifo *f) |
d203a7ec RB |
916 | { |
917 | return f->used; | |
918 | } | |
919 | ||
920 | static int vino_fifo_enqueue(struct vino_framebuffer_fifo *f, unsigned int id) | |
921 | { | |
922 | if (id >= f->length) { | |
923 | return VINO_QUEUE_ERROR; | |
1da177e4 | 924 | } |
d203a7ec RB |
925 | |
926 | if (vino_fifo_has_id(f, id)) { | |
927 | return VINO_QUEUE_ERROR; | |
1da177e4 | 928 | } |
1da177e4 | 929 | |
d203a7ec RB |
930 | if (f->used < f->length) { |
931 | f->data[f->tail] = id; | |
932 | f->tail = (f->tail + 1) % f->length; | |
933 | f->used++; | |
934 | } else { | |
935 | return VINO_QUEUE_ERROR; | |
1da177e4 LT |
936 | } |
937 | ||
d203a7ec RB |
938 | return 0; |
939 | } | |
940 | ||
941 | static int vino_fifo_peek(struct vino_framebuffer_fifo *f, unsigned int *id) | |
942 | { | |
943 | if (f->used > 0) { | |
944 | *id = f->data[f->head]; | |
945 | } else { | |
946 | return VINO_QUEUE_ERROR; | |
1da177e4 | 947 | } |
1da177e4 | 948 | |
d203a7ec RB |
949 | return 0; |
950 | } | |
951 | ||
952 | static int vino_fifo_dequeue(struct vino_framebuffer_fifo *f, unsigned int *id) | |
953 | { | |
954 | if (f->used > 0) { | |
955 | *id = f->data[f->head]; | |
956 | f->head = (f->head + 1) % f->length; | |
957 | f->used--; | |
958 | } else { | |
959 | return VINO_QUEUE_ERROR; | |
960 | } | |
961 | ||
962 | return 0; | |
963 | } | |
1da177e4 | 964 | |
d203a7ec | 965 | /* Framebuffer queue functions */ |
1da177e4 | 966 | |
d203a7ec RB |
967 | /* execute with queue_lock locked */ |
968 | static void vino_queue_free_with_count(struct vino_framebuffer_queue *q, | |
969 | unsigned int length) | |
970 | { | |
971 | unsigned int i; | |
972 | ||
973 | q->length = 0; | |
974 | memset(&q->in, 0, sizeof(struct vino_framebuffer_fifo)); | |
975 | memset(&q->out, 0, sizeof(struct vino_framebuffer_fifo)); | |
976 | for (i = 0; i < length; i++) { | |
977 | dprintk("vino_queue_free_with_count(): freeing buffer %d\n", | |
978 | i); | |
979 | vino_free_buffer(q->buffer[i]); | |
980 | kfree(q->buffer[i]); | |
1da177e4 LT |
981 | } |
982 | ||
d203a7ec RB |
983 | q->type = VINO_MEMORY_NONE; |
984 | q->magic = 0; | |
985 | } | |
986 | ||
987 | static void vino_queue_free(struct vino_framebuffer_queue *q) | |
988 | { | |
989 | dprintk("vino_queue_free():\n"); | |
990 | ||
991 | if (q->magic != VINO_QUEUE_MAGIC) | |
992 | return; | |
993 | if (q->type != VINO_MEMORY_MMAP) | |
994 | return; | |
995 | ||
3593cab5 | 996 | mutex_lock(&q->queue_mutex); |
d203a7ec RB |
997 | |
998 | vino_queue_free_with_count(q, q->length); | |
999 | ||
3593cab5 | 1000 | mutex_unlock(&q->queue_mutex); |
d203a7ec RB |
1001 | } |
1002 | ||
1003 | static int vino_queue_init(struct vino_framebuffer_queue *q, | |
1004 | unsigned int *length) | |
1005 | { | |
1006 | unsigned int i; | |
1007 | int ret = 0; | |
1008 | ||
1009 | dprintk("vino_queue_init(): length = %d\n", *length); | |
1010 | ||
1011 | if (q->magic == VINO_QUEUE_MAGIC) { | |
1012 | dprintk("vino_queue_init(): queue already initialized!\n"); | |
1013 | return -EINVAL; | |
1da177e4 LT |
1014 | } |
1015 | ||
d203a7ec RB |
1016 | if (q->type != VINO_MEMORY_NONE) { |
1017 | dprintk("vino_queue_init(): queue already initialized!\n"); | |
1018 | return -EINVAL; | |
1da177e4 | 1019 | } |
d203a7ec RB |
1020 | |
1021 | if (*length < 1) | |
1022 | return -EINVAL; | |
1023 | ||
3593cab5 | 1024 | mutex_lock(&q->queue_mutex); |
d203a7ec | 1025 | |
a637a114 LM |
1026 | if (*length > VINO_FRAMEBUFFER_COUNT_MAX) |
1027 | *length = VINO_FRAMEBUFFER_COUNT_MAX; | |
d203a7ec RB |
1028 | |
1029 | q->length = 0; | |
1030 | ||
1031 | for (i = 0; i < *length; i++) { | |
1032 | dprintk("vino_queue_init(): allocating buffer %d\n", i); | |
1033 | q->buffer[i] = kmalloc(sizeof(struct vino_framebuffer), | |
1034 | GFP_KERNEL); | |
1035 | if (!q->buffer[i]) { | |
1036 | dprintk("vino_queue_init(): kmalloc() failed\n"); | |
1037 | ret = -ENOMEM; | |
1038 | break; | |
1039 | } | |
1040 | ||
1041 | ret = vino_allocate_buffer(q->buffer[i], | |
1042 | VINO_FRAMEBUFFER_SIZE); | |
1043 | if (ret) { | |
1044 | kfree(q->buffer[i]); | |
1045 | dprintk("vino_queue_init(): " | |
1046 | "vino_allocate_buffer() failed\n"); | |
1047 | break; | |
1048 | } | |
1049 | ||
1050 | q->buffer[i]->id = i; | |
1051 | if (i > 0) { | |
1052 | q->buffer[i]->offset = q->buffer[i - 1]->offset + | |
1053 | q->buffer[i - 1]->size; | |
1054 | } else { | |
1055 | q->buffer[i]->offset = 0; | |
1056 | } | |
1057 | ||
1058 | spin_lock_init(&q->buffer[i]->state_lock); | |
1059 | ||
1060 | dprintk("vino_queue_init(): buffer = %d, offset = %d, " | |
1061 | "size = %d\n", i, q->buffer[i]->offset, | |
1062 | q->buffer[i]->size); | |
1da177e4 LT |
1063 | } |
1064 | ||
d203a7ec RB |
1065 | if (ret) { |
1066 | vino_queue_free_with_count(q, i); | |
1067 | *length = 0; | |
1068 | } else { | |
1069 | q->length = *length; | |
1070 | vino_fifo_init(&q->in, q->length); | |
1071 | vino_fifo_init(&q->out, q->length); | |
1072 | q->type = VINO_MEMORY_MMAP; | |
1073 | q->magic = VINO_QUEUE_MAGIC; | |
1074 | } | |
1da177e4 | 1075 | |
3593cab5 | 1076 | mutex_unlock(&q->queue_mutex); |
1da177e4 LT |
1077 | |
1078 | return ret; | |
1079 | } | |
1080 | ||
d203a7ec RB |
1081 | static struct vino_framebuffer *vino_queue_add(struct |
1082 | vino_framebuffer_queue *q, | |
1083 | unsigned int id) | |
1da177e4 | 1084 | { |
d203a7ec RB |
1085 | struct vino_framebuffer *ret = NULL; |
1086 | unsigned int total; | |
1087 | unsigned long flags; | |
1088 | ||
1089 | dprintk("vino_queue_add(): id = %d\n", id); | |
1090 | ||
1091 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1092 | return ret; | |
1093 | } | |
1094 | ||
1095 | spin_lock_irqsave(&q->queue_lock, flags); | |
1096 | ||
1097 | if (q->length == 0) | |
1098 | goto out; | |
1099 | ||
1100 | if (id >= q->length) | |
1101 | goto out; | |
1102 | ||
1103 | /* not needed?: if (vino_fifo_full(&q->out)) { | |
1104 | goto out; | |
1105 | }*/ | |
1106 | /* check that outgoing queue isn't already full | |
1107 | * (or that it won't become full) */ | |
1108 | total = vino_fifo_get_used(&q->in) + | |
1109 | vino_fifo_get_used(&q->out); | |
1110 | if (total >= q->length) | |
1111 | goto out; | |
1112 | ||
1113 | if (vino_fifo_enqueue(&q->in, id)) | |
1114 | goto out; | |
1115 | ||
1116 | ret = q->buffer[id]; | |
1117 | ||
1118 | out: | |
1119 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1120 | ||
1121 | return ret; | |
1da177e4 LT |
1122 | } |
1123 | ||
d203a7ec RB |
1124 | static struct vino_framebuffer *vino_queue_transfer(struct |
1125 | vino_framebuffer_queue *q) | |
1126 | { | |
1127 | struct vino_framebuffer *ret = NULL; | |
1128 | struct vino_framebuffer *fb; | |
1129 | int id; | |
1130 | unsigned long flags; | |
1da177e4 | 1131 | |
d203a7ec RB |
1132 | dprintk("vino_queue_transfer():\n"); |
1133 | ||
1134 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1135 | return ret; | |
1136 | } | |
1137 | ||
1138 | spin_lock_irqsave(&q->queue_lock, flags); | |
1139 | ||
1140 | if (q->length == 0) | |
1141 | goto out; | |
1142 | ||
1143 | // now this actually removes an entry from the incoming queue | |
1144 | if (vino_fifo_dequeue(&q->in, &id)) { | |
1145 | goto out; | |
1146 | } | |
1147 | ||
1148 | dprintk("vino_queue_transfer(): id = %d\n", id); | |
1149 | fb = q->buffer[id]; | |
1150 | ||
1151 | // we have already checked that the outgoing queue is not full, but... | |
1152 | if (vino_fifo_enqueue(&q->out, id)) { | |
1153 | printk(KERN_ERR "vino_queue_transfer(): " | |
1154 | "outgoing queue is full, this shouldn't happen!\n"); | |
1155 | goto out; | |
1156 | } | |
1157 | ||
1158 | ret = fb; | |
1159 | out: | |
1160 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1161 | ||
1162 | return ret; | |
1163 | } | |
1164 | ||
1165 | /* returns true/false */ | |
1166 | static int vino_queue_incoming_contains(struct vino_framebuffer_queue *q, | |
1167 | unsigned int id) | |
1168 | { | |
1169 | int ret = 0; | |
1170 | unsigned long flags; | |
1171 | ||
1172 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1173 | return ret; | |
1174 | } | |
1175 | ||
1176 | spin_lock_irqsave(&q->queue_lock, flags); | |
1177 | ||
1178 | if (q->length == 0) | |
1179 | goto out; | |
1180 | ||
1181 | ret = vino_fifo_has_id(&q->in, id); | |
1182 | ||
1183 | out: | |
1184 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1185 | ||
1186 | return ret; | |
1187 | } | |
1188 | ||
1189 | /* returns true/false */ | |
1190 | static int vino_queue_outgoing_contains(struct vino_framebuffer_queue *q, | |
1191 | unsigned int id) | |
1192 | { | |
1193 | int ret = 0; | |
1194 | unsigned long flags; | |
1195 | ||
1196 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1197 | return ret; | |
1198 | } | |
1199 | ||
1200 | spin_lock_irqsave(&q->queue_lock, flags); | |
1201 | ||
1202 | if (q->length == 0) | |
1203 | goto out; | |
1204 | ||
1205 | ret = vino_fifo_has_id(&q->out, id); | |
1206 | ||
1207 | out: | |
1208 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1209 | ||
1210 | return ret; | |
1211 | } | |
1212 | ||
1213 | static int vino_queue_get_incoming(struct vino_framebuffer_queue *q, | |
1214 | unsigned int *used) | |
1215 | { | |
1216 | int ret = 0; | |
1217 | unsigned long flags; | |
1218 | ||
1219 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1220 | return VINO_QUEUE_ERROR; | |
1221 | } | |
1222 | ||
1223 | spin_lock_irqsave(&q->queue_lock, flags); | |
1224 | ||
1225 | if (q->length == 0) { | |
1226 | ret = VINO_QUEUE_ERROR; | |
1227 | goto out; | |
1228 | } | |
1229 | ||
1230 | *used = vino_fifo_get_used(&q->in); | |
1231 | ||
1232 | out: | |
1233 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1234 | ||
1235 | return ret; | |
1236 | } | |
1237 | ||
1238 | static int vino_queue_get_outgoing(struct vino_framebuffer_queue *q, | |
1239 | unsigned int *used) | |
1240 | { | |
1241 | int ret = 0; | |
1242 | unsigned long flags; | |
1243 | ||
1244 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1245 | return VINO_QUEUE_ERROR; | |
1246 | } | |
1247 | ||
1248 | spin_lock_irqsave(&q->queue_lock, flags); | |
1249 | ||
1250 | if (q->length == 0) { | |
1251 | ret = VINO_QUEUE_ERROR; | |
1252 | goto out; | |
1253 | } | |
1254 | ||
1255 | *used = vino_fifo_get_used(&q->out); | |
1256 | ||
1257 | out: | |
1258 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1259 | ||
1260 | return ret; | |
1261 | } | |
1262 | ||
a637a114 | 1263 | #if 0 |
d203a7ec RB |
1264 | static int vino_queue_get_total(struct vino_framebuffer_queue *q, |
1265 | unsigned int *total) | |
1266 | { | |
1267 | int ret = 0; | |
1268 | unsigned long flags; | |
1269 | ||
1270 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1271 | return VINO_QUEUE_ERROR; | |
1272 | } | |
1273 | ||
1274 | spin_lock_irqsave(&q->queue_lock, flags); | |
1275 | ||
1276 | if (q->length == 0) { | |
1277 | ret = VINO_QUEUE_ERROR; | |
1278 | goto out; | |
1279 | } | |
1280 | ||
1281 | *total = vino_fifo_get_used(&q->in) + | |
1282 | vino_fifo_get_used(&q->out); | |
1283 | ||
1284 | out: | |
1285 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1286 | ||
1287 | return ret; | |
1288 | } | |
a637a114 | 1289 | #endif |
d203a7ec RB |
1290 | |
1291 | static struct vino_framebuffer *vino_queue_peek(struct | |
1292 | vino_framebuffer_queue *q, | |
1293 | unsigned int *id) | |
1294 | { | |
1295 | struct vino_framebuffer *ret = NULL; | |
1296 | unsigned long flags; | |
1297 | ||
1298 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1299 | return ret; | |
1300 | } | |
1301 | ||
1302 | spin_lock_irqsave(&q->queue_lock, flags); | |
1303 | ||
1304 | if (q->length == 0) | |
1305 | goto out; | |
1306 | ||
1307 | if (vino_fifo_peek(&q->in, id)) { | |
1308 | goto out; | |
1309 | } | |
1310 | ||
1311 | ret = q->buffer[*id]; | |
1312 | out: | |
1313 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1314 | ||
1315 | return ret; | |
1316 | } | |
1317 | ||
1318 | static struct vino_framebuffer *vino_queue_remove(struct | |
1319 | vino_framebuffer_queue *q, | |
1320 | unsigned int *id) | |
1321 | { | |
1322 | struct vino_framebuffer *ret = NULL; | |
1323 | unsigned long flags; | |
1324 | dprintk("vino_queue_remove():\n"); | |
1325 | ||
1326 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1327 | return ret; | |
1328 | } | |
1329 | ||
1330 | spin_lock_irqsave(&q->queue_lock, flags); | |
1331 | ||
1332 | if (q->length == 0) | |
1333 | goto out; | |
1334 | ||
1335 | if (vino_fifo_dequeue(&q->out, id)) { | |
1336 | goto out; | |
1337 | } | |
1338 | ||
1339 | dprintk("vino_queue_remove(): id = %d\n", *id); | |
1340 | ret = q->buffer[*id]; | |
1341 | out: | |
1342 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1343 | ||
1344 | return ret; | |
1345 | } | |
1346 | ||
1347 | static struct | |
1348 | vino_framebuffer *vino_queue_get_buffer(struct vino_framebuffer_queue *q, | |
1349 | unsigned int id) | |
1350 | { | |
1351 | struct vino_framebuffer *ret = NULL; | |
1352 | unsigned long flags; | |
1353 | ||
1354 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1355 | return ret; | |
1356 | } | |
1357 | ||
1358 | spin_lock_irqsave(&q->queue_lock, flags); | |
1359 | ||
1360 | if (q->length == 0) | |
1361 | goto out; | |
1362 | ||
1363 | if (id >= q->length) | |
1364 | goto out; | |
1365 | ||
1366 | ret = q->buffer[id]; | |
1367 | out: | |
1368 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1369 | ||
1370 | return ret; | |
1371 | } | |
1372 | ||
1373 | static unsigned int vino_queue_get_length(struct vino_framebuffer_queue *q) | |
1374 | { | |
1375 | unsigned int length = 0; | |
1376 | unsigned long flags; | |
1377 | ||
1378 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1379 | return length; | |
1380 | } | |
1381 | ||
1382 | spin_lock_irqsave(&q->queue_lock, flags); | |
1383 | length = q->length; | |
1384 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1385 | ||
1386 | return length; | |
1387 | } | |
1388 | ||
1389 | static int vino_queue_has_mapped_buffers(struct vino_framebuffer_queue *q) | |
1390 | { | |
1391 | unsigned int i; | |
1392 | int ret = 0; | |
1393 | unsigned long flags; | |
1394 | ||
1395 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1396 | return ret; | |
1397 | } | |
1398 | ||
1399 | spin_lock_irqsave(&q->queue_lock, flags); | |
1400 | for (i = 0; i < q->length; i++) { | |
1401 | if (q->buffer[i]->map_count > 0) { | |
1402 | ret = 1; | |
1403 | break; | |
1404 | } | |
1405 | } | |
1406 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1407 | ||
1408 | return ret; | |
1409 | } | |
1410 | ||
1411 | /* VINO functions */ | |
1412 | ||
1413 | /* execute with input_lock locked */ | |
1414 | static void vino_update_line_size(struct vino_channel_settings *vcs) | |
1415 | { | |
1416 | unsigned int w = vcs->clipping.right - vcs->clipping.left; | |
1417 | unsigned int d = vcs->decimation; | |
1418 | unsigned int bpp = vino_data_formats[vcs->data_format].bpp; | |
d56410e0 | 1419 | unsigned int lsize; |
d203a7ec RB |
1420 | |
1421 | dprintk("update_line_size(): before: w = %d, d = %d, " | |
1422 | "line_size = %d\n", w, d, vcs->line_size); | |
a637a114 | 1423 | |
d56410e0 | 1424 | /* line size must be multiple of 8 bytes */ |
d203a7ec RB |
1425 | lsize = (bpp * (w / d)) & ~7; |
1426 | w = (lsize / bpp) * d; | |
1427 | ||
1428 | vcs->clipping.right = vcs->clipping.left + w; | |
1429 | vcs->line_size = lsize; | |
a637a114 | 1430 | |
d203a7ec RB |
1431 | dprintk("update_line_size(): after: w = %d, d = %d, " |
1432 | "line_size = %d\n", w, d, vcs->line_size); | |
1433 | } | |
1434 | ||
1435 | /* execute with input_lock locked */ | |
1436 | static void vino_set_clipping(struct vino_channel_settings *vcs, | |
1437 | unsigned int x, unsigned int y, | |
1438 | unsigned int w, unsigned int h) | |
1439 | { | |
1440 | unsigned int maxwidth, maxheight; | |
1441 | unsigned int d; | |
1442 | ||
1443 | maxwidth = vino_data_norms[vcs->data_norm].width; | |
1444 | maxheight = vino_data_norms[vcs->data_norm].height; | |
1445 | d = vcs->decimation; | |
1446 | ||
1447 | y &= ~1; /* odd/even fields */ | |
1448 | ||
1449 | if (x > maxwidth) { | |
1450 | x = 0; | |
1451 | } | |
1452 | if (y > maxheight) { | |
1453 | y = 0; | |
1454 | } | |
1455 | ||
1456 | if (((w / d) < VINO_MIN_WIDTH) | |
1457 | || ((h / d) < VINO_MIN_HEIGHT)) { | |
1458 | w = VINO_MIN_WIDTH * d; | |
1459 | h = VINO_MIN_HEIGHT * d; | |
1460 | } | |
1461 | ||
1462 | if ((x + w) > maxwidth) { | |
1463 | w = maxwidth - x; | |
1464 | if ((w / d) < VINO_MIN_WIDTH) | |
1465 | x = maxwidth - VINO_MIN_WIDTH * d; | |
1466 | } | |
1467 | if ((y + h) > maxheight) { | |
1468 | h = maxheight - y; | |
1469 | if ((h / d) < VINO_MIN_HEIGHT) | |
1470 | y = maxheight - VINO_MIN_HEIGHT * d; | |
1471 | } | |
1472 | ||
1473 | vcs->clipping.left = x; | |
1474 | vcs->clipping.top = y; | |
1475 | vcs->clipping.right = x + w; | |
1476 | vcs->clipping.bottom = y + h; | |
1477 | ||
1478 | vino_update_line_size(vcs); | |
1479 | ||
1480 | dprintk("clipping %d, %d, %d, %d / %d - %d\n", | |
1481 | vcs->clipping.left, vcs->clipping.top, vcs->clipping.right, | |
1482 | vcs->clipping.bottom, vcs->decimation, vcs->line_size); | |
1483 | } | |
1484 | ||
1485 | /* execute with input_lock locked */ | |
a637a114 | 1486 | static inline void vino_set_default_clipping(struct vino_channel_settings *vcs) |
d203a7ec RB |
1487 | { |
1488 | vino_set_clipping(vcs, 0, 0, vino_data_norms[vcs->data_norm].width, | |
1489 | vino_data_norms[vcs->data_norm].height); | |
1490 | } | |
1491 | ||
1492 | /* execute with input_lock locked */ | |
1493 | static void vino_set_scaling(struct vino_channel_settings *vcs, | |
1494 | unsigned int w, unsigned int h) | |
1495 | { | |
1496 | unsigned int x, y, curw, curh, d; | |
1497 | ||
1498 | x = vcs->clipping.left; | |
1499 | y = vcs->clipping.top; | |
1500 | curw = vcs->clipping.right - vcs->clipping.left; | |
1501 | curh = vcs->clipping.bottom - vcs->clipping.top; | |
1502 | ||
1503 | d = max(curw / w, curh / h); | |
1504 | ||
1505 | dprintk("scaling w: %d, h: %d, curw: %d, curh: %d, d: %d\n", | |
1506 | w, h, curw, curh, d); | |
1507 | ||
1508 | if (d < 1) { | |
1509 | d = 1; | |
a637a114 | 1510 | } else if (d > 8) { |
d203a7ec RB |
1511 | d = 8; |
1512 | } | |
1513 | ||
1514 | vcs->decimation = d; | |
1515 | vino_set_clipping(vcs, x, y, w * d, h * d); | |
1516 | ||
1517 | dprintk("scaling %d, %d, %d, %d / %d - %d\n", vcs->clipping.left, | |
1518 | vcs->clipping.top, vcs->clipping.right, vcs->clipping.bottom, | |
1519 | vcs->decimation, vcs->line_size); | |
1520 | } | |
1521 | ||
1522 | /* execute with input_lock locked */ | |
a637a114 | 1523 | static inline void vino_set_default_scaling(struct vino_channel_settings *vcs) |
d203a7ec RB |
1524 | { |
1525 | vino_set_scaling(vcs, vcs->clipping.right - vcs->clipping.left, | |
1526 | vcs->clipping.bottom - vcs->clipping.top); | |
1527 | } | |
1528 | ||
1529 | /* execute with input_lock locked */ | |
1530 | static void vino_set_framerate(struct vino_channel_settings *vcs, | |
1531 | unsigned int fps) | |
1532 | { | |
1533 | unsigned int mask; | |
1534 | ||
1535 | switch (vcs->data_norm) { | |
1536 | case VINO_DATA_NORM_NTSC: | |
1537 | case VINO_DATA_NORM_D1: | |
1538 | fps = (unsigned int)(fps / 6) * 6; // FIXME: round! | |
1539 | ||
1540 | if (fps < vino_data_norms[vcs->data_norm].fps_min) | |
1541 | fps = vino_data_norms[vcs->data_norm].fps_min; | |
1542 | if (fps > vino_data_norms[vcs->data_norm].fps_max) | |
1543 | fps = vino_data_norms[vcs->data_norm].fps_max; | |
1544 | ||
1545 | switch (fps) { | |
1546 | case 6: | |
1547 | mask = 0x003; | |
1548 | break; | |
1549 | case 12: | |
1550 | mask = 0x0c3; | |
1551 | break; | |
1552 | case 18: | |
1553 | mask = 0x333; | |
1554 | break; | |
1555 | case 24: | |
1556 | mask = 0x3ff; | |
1557 | break; | |
1558 | case 30: | |
1559 | mask = 0xfff; | |
1560 | break; | |
1561 | default: | |
1562 | mask = VINO_FRAMERT_FULL; | |
1563 | } | |
1564 | vcs->framert_reg = VINO_FRAMERT_RT(mask); | |
1565 | break; | |
1566 | case VINO_DATA_NORM_PAL: | |
1567 | case VINO_DATA_NORM_SECAM: | |
1568 | fps = (unsigned int)(fps / 5) * 5; // FIXME: round! | |
1569 | ||
1570 | if (fps < vino_data_norms[vcs->data_norm].fps_min) | |
1571 | fps = vino_data_norms[vcs->data_norm].fps_min; | |
1572 | if (fps > vino_data_norms[vcs->data_norm].fps_max) | |
1573 | fps = vino_data_norms[vcs->data_norm].fps_max; | |
1574 | ||
1575 | switch (fps) { | |
1576 | case 5: | |
1577 | mask = 0x003; | |
1578 | break; | |
1579 | case 10: | |
1580 | mask = 0x0c3; | |
1581 | break; | |
1582 | case 15: | |
1583 | mask = 0x333; | |
1584 | break; | |
1585 | case 20: | |
1586 | mask = 0x0ff; | |
1587 | break; | |
1588 | case 25: | |
1589 | mask = 0x3ff; | |
1590 | break; | |
1591 | default: | |
1592 | mask = VINO_FRAMERT_FULL; | |
1593 | } | |
1594 | vcs->framert_reg = VINO_FRAMERT_RT(mask) | VINO_FRAMERT_PAL; | |
1595 | break; | |
1596 | } | |
1597 | ||
1598 | vcs->fps = fps; | |
1599 | } | |
1600 | ||
1601 | /* execute with input_lock locked */ | |
a637a114 LM |
1602 | static inline void vino_set_default_framerate(struct |
1603 | vino_channel_settings *vcs) | |
d203a7ec RB |
1604 | { |
1605 | vino_set_framerate(vcs, vino_data_norms[vcs->data_norm].fps_max); | |
1606 | } | |
1607 | ||
cea0c681 JD |
1608 | /* VINO I2C bus functions */ |
1609 | ||
1610 | struct i2c_algo_sgi_data { | |
1611 | void *data; /* private data for lowlevel routines */ | |
1612 | unsigned (*getctrl)(void *data); | |
1613 | void (*setctrl)(void *data, unsigned val); | |
1614 | unsigned (*rdata)(void *data); | |
1615 | void (*wdata)(void *data, unsigned val); | |
1616 | ||
1617 | int xfer_timeout; | |
1618 | int ack_timeout; | |
1619 | }; | |
1620 | ||
1621 | static int wait_xfer_done(struct i2c_algo_sgi_data *adap) | |
1622 | { | |
1623 | int i; | |
1624 | ||
1625 | for (i = 0; i < adap->xfer_timeout; i++) { | |
1626 | if ((adap->getctrl(adap->data) & SGI_I2C_XFER_BUSY) == 0) | |
1627 | return 0; | |
1628 | udelay(1); | |
1629 | } | |
1630 | ||
1631 | return -ETIMEDOUT; | |
1632 | } | |
1633 | ||
1634 | static int wait_ack(struct i2c_algo_sgi_data *adap) | |
1635 | { | |
1636 | int i; | |
1637 | ||
1638 | if (wait_xfer_done(adap)) | |
1639 | return -ETIMEDOUT; | |
1640 | for (i = 0; i < adap->ack_timeout; i++) { | |
1641 | if ((adap->getctrl(adap->data) & SGI_I2C_NACK) == 0) | |
1642 | return 0; | |
1643 | udelay(1); | |
1644 | } | |
1645 | ||
1646 | return -ETIMEDOUT; | |
1647 | } | |
1648 | ||
1649 | static int force_idle(struct i2c_algo_sgi_data *adap) | |
1650 | { | |
1651 | int i; | |
1652 | ||
1653 | adap->setctrl(adap->data, SGI_I2C_FORCE_IDLE); | |
1654 | for (i = 0; i < adap->xfer_timeout; i++) { | |
1655 | if ((adap->getctrl(adap->data) & SGI_I2C_NOT_IDLE) == 0) | |
1656 | goto out; | |
1657 | udelay(1); | |
1658 | } | |
1659 | return -ETIMEDOUT; | |
1660 | out: | |
1661 | if (adap->getctrl(adap->data) & SGI_I2C_BUS_ERR) | |
1662 | return -EIO; | |
1663 | return 0; | |
1664 | } | |
1665 | ||
1666 | static int do_address(struct i2c_algo_sgi_data *adap, unsigned int addr, | |
1667 | int rd) | |
1668 | { | |
1669 | if (rd) | |
1670 | adap->setctrl(adap->data, SGI_I2C_NOT_IDLE); | |
1671 | /* Check if bus is idle, eventually force it to do so */ | |
1672 | if (adap->getctrl(adap->data) & SGI_I2C_NOT_IDLE) | |
1673 | if (force_idle(adap)) | |
1674 | return -EIO; | |
1675 | /* Write out the i2c chip address and specify operation */ | |
1676 | adap->setctrl(adap->data, | |
1677 | SGI_I2C_HOLD_BUS | SGI_I2C_WRITE | SGI_I2C_NOT_IDLE); | |
1678 | if (rd) | |
1679 | addr |= 1; | |
1680 | adap->wdata(adap->data, addr); | |
1681 | if (wait_ack(adap)) | |
1682 | return -EIO; | |
1683 | return 0; | |
1684 | } | |
1685 | ||
1686 | static int i2c_read(struct i2c_algo_sgi_data *adap, unsigned char *buf, | |
1687 | unsigned int len) | |
1688 | { | |
1689 | int i; | |
1690 | ||
1691 | adap->setctrl(adap->data, | |
1692 | SGI_I2C_HOLD_BUS | SGI_I2C_READ | SGI_I2C_NOT_IDLE); | |
1693 | for (i = 0; i < len; i++) { | |
1694 | if (wait_xfer_done(adap)) | |
1695 | return -EIO; | |
1696 | buf[i] = adap->rdata(adap->data); | |
1697 | } | |
1698 | adap->setctrl(adap->data, SGI_I2C_RELEASE_BUS | SGI_I2C_FORCE_IDLE); | |
1699 | ||
1700 | return 0; | |
1701 | ||
1702 | } | |
1703 | ||
1704 | static int i2c_write(struct i2c_algo_sgi_data *adap, unsigned char *buf, | |
1705 | unsigned int len) | |
1706 | { | |
1707 | int i; | |
1708 | ||
1709 | /* We are already in write state */ | |
1710 | for (i = 0; i < len; i++) { | |
1711 | adap->wdata(adap->data, buf[i]); | |
1712 | if (wait_ack(adap)) | |
1713 | return -EIO; | |
1714 | } | |
1715 | return 0; | |
1716 | } | |
1717 | ||
1718 | static int sgi_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, | |
1719 | int num) | |
1720 | { | |
1721 | struct i2c_algo_sgi_data *adap = i2c_adap->algo_data; | |
1722 | struct i2c_msg *p; | |
1723 | int i, err = 0; | |
1724 | ||
1725 | for (i = 0; !err && i < num; i++) { | |
1726 | p = &msgs[i]; | |
1727 | err = do_address(adap, p->addr, p->flags & I2C_M_RD); | |
1728 | if (err || !p->len) | |
1729 | continue; | |
1730 | if (p->flags & I2C_M_RD) | |
1731 | err = i2c_read(adap, p->buf, p->len); | |
1732 | else | |
1733 | err = i2c_write(adap, p->buf, p->len); | |
1734 | } | |
1735 | ||
1736 | return (err < 0) ? err : i; | |
1737 | } | |
1738 | ||
1739 | static u32 sgi_func(struct i2c_adapter *adap) | |
1740 | { | |
1741 | return I2C_FUNC_SMBUS_EMUL; | |
1742 | } | |
1743 | ||
1744 | static const struct i2c_algorithm sgi_algo = { | |
1745 | .master_xfer = sgi_xfer, | |
1746 | .functionality = sgi_func, | |
1747 | }; | |
1748 | ||
1749 | static unsigned i2c_vino_getctrl(void *data) | |
1750 | { | |
1751 | return vino->i2c_control; | |
1752 | } | |
1753 | ||
1754 | static void i2c_vino_setctrl(void *data, unsigned val) | |
1755 | { | |
1756 | vino->i2c_control = val; | |
1757 | } | |
1758 | ||
1759 | static unsigned i2c_vino_rdata(void *data) | |
1760 | { | |
1761 | return vino->i2c_data; | |
1762 | } | |
1763 | ||
1764 | static void i2c_vino_wdata(void *data, unsigned val) | |
1765 | { | |
1766 | vino->i2c_data = val; | |
1767 | } | |
1768 | ||
1769 | static struct i2c_algo_sgi_data i2c_sgi_vino_data = { | |
1770 | .getctrl = &i2c_vino_getctrl, | |
1771 | .setctrl = &i2c_vino_setctrl, | |
1772 | .rdata = &i2c_vino_rdata, | |
1773 | .wdata = &i2c_vino_wdata, | |
1774 | .xfer_timeout = 200, | |
1775 | .ack_timeout = 1000, | |
1776 | }; | |
1777 | ||
1778 | static struct i2c_adapter vino_i2c_adapter = { | |
1779 | .name = "VINO I2C bus", | |
cea0c681 JD |
1780 | .algo = &sgi_algo, |
1781 | .algo_data = &i2c_sgi_vino_data, | |
1782 | .owner = THIS_MODULE, | |
1783 | }; | |
1784 | ||
d203a7ec RB |
1785 | /* |
1786 | * Prepare VINO for DMA transfer... | |
1787 | * (execute only with vino_lock and input_lock locked) | |
1788 | */ | |
1789 | static int vino_dma_setup(struct vino_channel_settings *vcs, | |
1790 | struct vino_framebuffer *fb) | |
1791 | { | |
1792 | u32 ctrl, intr; | |
1793 | struct sgi_vino_channel *ch; | |
1794 | const struct vino_data_norm *norm; | |
1795 | ||
1796 | dprintk("vino_dma_setup():\n"); | |
1797 | ||
1798 | vcs->field = 0; | |
1799 | fb->frame_counter = 0; | |
1800 | ||
1801 | ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b; | |
1802 | norm = &vino_data_norms[vcs->data_norm]; | |
1803 | ||
1804 | ch->page_index = 0; | |
1805 | ch->line_count = 0; | |
1806 | ||
1807 | /* VINO line size register is set 8 bytes less than actual */ | |
1808 | ch->line_size = vcs->line_size - 8; | |
1809 | ||
1810 | /* let VINO know where to transfer data */ | |
1811 | ch->start_desc_tbl = fb->desc_table.dma; | |
1812 | ch->next_4_desc = fb->desc_table.dma; | |
1813 | ||
1814 | /* give vino time to fetch the first four descriptors, 5 usec | |
1815 | * should be more than enough time */ | |
1816 | udelay(VINO_DESC_FETCH_DELAY); | |
1817 | ||
a637a114 LM |
1818 | dprintk("vino_dma_setup(): start desc = %08x, next 4 desc = %08x\n", |
1819 | ch->start_desc_tbl, ch->next_4_desc); | |
1820 | ||
d203a7ec RB |
1821 | /* set the alpha register */ |
1822 | ch->alpha = vcs->alpha; | |
1823 | ||
1824 | /* set clipping registers */ | |
1825 | ch->clip_start = VINO_CLIP_ODD(norm->odd.top + vcs->clipping.top / 2) | | |
1826 | VINO_CLIP_EVEN(norm->even.top + | |
1827 | vcs->clipping.top / 2) | | |
1828 | VINO_CLIP_X(vcs->clipping.left); | |
1829 | ch->clip_end = VINO_CLIP_ODD(norm->odd.top + | |
1830 | vcs->clipping.bottom / 2 - 1) | | |
1831 | VINO_CLIP_EVEN(norm->even.top + | |
1832 | vcs->clipping.bottom / 2 - 1) | | |
1833 | VINO_CLIP_X(vcs->clipping.right); | |
d203a7ec RB |
1834 | |
1835 | /* set the size of actual content in the buffer (DECIMATION !) */ | |
1836 | fb->data_size = ((vcs->clipping.right - vcs->clipping.left) / | |
1837 | vcs->decimation) * | |
1838 | ((vcs->clipping.bottom - vcs->clipping.top) / | |
1839 | vcs->decimation) * | |
1840 | vino_data_formats[vcs->data_format].bpp; | |
1841 | ||
1842 | ch->frame_rate = vcs->framert_reg; | |
1843 | ||
1844 | ctrl = vino->control; | |
1845 | intr = vino->intr_status; | |
1846 | ||
1847 | if (vcs->channel == VINO_CHANNEL_A) { | |
1848 | /* All interrupt conditions for this channel was cleared | |
1849 | * so clear the interrupt status register and enable | |
1850 | * interrupts */ | |
1851 | intr &= ~VINO_INTSTAT_A; | |
1852 | ctrl |= VINO_CTRL_A_INT; | |
1853 | ||
1854 | /* enable synchronization */ | |
1855 | ctrl |= VINO_CTRL_A_SYNC_ENBL; | |
1856 | ||
1857 | /* enable frame assembly */ | |
1858 | ctrl |= VINO_CTRL_A_INTERLEAVE_ENBL; | |
1859 | ||
1860 | /* set decimation used */ | |
1861 | if (vcs->decimation < 2) | |
1862 | ctrl &= ~VINO_CTRL_A_DEC_ENBL; | |
1863 | else { | |
1864 | ctrl |= VINO_CTRL_A_DEC_ENBL; | |
1865 | ctrl &= ~VINO_CTRL_A_DEC_SCALE_MASK; | |
1866 | ctrl |= (vcs->decimation - 1) << | |
1867 | VINO_CTRL_A_DEC_SCALE_SHIFT; | |
1868 | } | |
1869 | ||
1870 | /* select input interface */ | |
1871 | if (vcs->input == VINO_INPUT_D1) | |
1872 | ctrl |= VINO_CTRL_A_SELECT; | |
1873 | else | |
1874 | ctrl &= ~VINO_CTRL_A_SELECT; | |
1875 | ||
1876 | /* palette */ | |
1877 | ctrl &= ~(VINO_CTRL_A_LUMA_ONLY | VINO_CTRL_A_RGB | | |
1878 | VINO_CTRL_A_DITHER); | |
1879 | } else { | |
1880 | intr &= ~VINO_INTSTAT_B; | |
1881 | ctrl |= VINO_CTRL_B_INT; | |
1882 | ||
1883 | ctrl |= VINO_CTRL_B_SYNC_ENBL; | |
1884 | ctrl |= VINO_CTRL_B_INTERLEAVE_ENBL; | |
1885 | ||
1886 | if (vcs->decimation < 2) | |
1887 | ctrl &= ~VINO_CTRL_B_DEC_ENBL; | |
1888 | else { | |
1889 | ctrl |= VINO_CTRL_B_DEC_ENBL; | |
1890 | ctrl &= ~VINO_CTRL_B_DEC_SCALE_MASK; | |
1891 | ctrl |= (vcs->decimation - 1) << | |
1892 | VINO_CTRL_B_DEC_SCALE_SHIFT; | |
1893 | ||
1894 | } | |
1895 | if (vcs->input == VINO_INPUT_D1) | |
1896 | ctrl |= VINO_CTRL_B_SELECT; | |
1897 | else | |
1898 | ctrl &= ~VINO_CTRL_B_SELECT; | |
1899 | ||
1900 | ctrl &= ~(VINO_CTRL_B_LUMA_ONLY | VINO_CTRL_B_RGB | | |
1901 | VINO_CTRL_B_DITHER); | |
1902 | } | |
1903 | ||
1904 | /* set palette */ | |
1905 | fb->data_format = vcs->data_format; | |
1906 | ||
1907 | switch (vcs->data_format) { | |
1908 | case VINO_DATA_FMT_GREY: | |
1909 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1910 | VINO_CTRL_A_LUMA_ONLY : VINO_CTRL_B_LUMA_ONLY; | |
1911 | break; | |
1912 | case VINO_DATA_FMT_RGB32: | |
1913 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1914 | VINO_CTRL_A_RGB : VINO_CTRL_B_RGB; | |
1915 | break; | |
1916 | case VINO_DATA_FMT_YUV: | |
1917 | /* nothing needs to be done */ | |
1918 | break; | |
1919 | case VINO_DATA_FMT_RGB332: | |
1920 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1921 | VINO_CTRL_A_RGB | VINO_CTRL_A_DITHER : | |
1922 | VINO_CTRL_B_RGB | VINO_CTRL_B_DITHER; | |
1923 | break; | |
1924 | } | |
1925 | ||
1926 | vino->intr_status = intr; | |
1927 | vino->control = ctrl; | |
1928 | ||
1929 | return 0; | |
1930 | } | |
1931 | ||
1932 | /* (execute only with vino_lock locked) */ | |
a637a114 | 1933 | static inline void vino_dma_start(struct vino_channel_settings *vcs) |
d203a7ec RB |
1934 | { |
1935 | u32 ctrl = vino->control; | |
1936 | ||
1937 | dprintk("vino_dma_start():\n"); | |
1938 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1939 | VINO_CTRL_A_DMA_ENBL : VINO_CTRL_B_DMA_ENBL; | |
1940 | vino->control = ctrl; | |
1941 | } | |
1942 | ||
1943 | /* (execute only with vino_lock locked) */ | |
a637a114 | 1944 | static inline void vino_dma_stop(struct vino_channel_settings *vcs) |
d203a7ec RB |
1945 | { |
1946 | u32 ctrl = vino->control; | |
1947 | ||
1948 | ctrl &= (vcs->channel == VINO_CHANNEL_A) ? | |
1949 | ~VINO_CTRL_A_DMA_ENBL : ~VINO_CTRL_B_DMA_ENBL; | |
a637a114 LM |
1950 | ctrl &= (vcs->channel == VINO_CHANNEL_A) ? |
1951 | ~VINO_CTRL_A_INT : ~VINO_CTRL_B_INT; | |
d203a7ec RB |
1952 | vino->control = ctrl; |
1953 | dprintk("vino_dma_stop():\n"); | |
1954 | } | |
1955 | ||
1956 | /* | |
1957 | * Load dummy page to descriptor registers. This prevents generating of | |
1958 | * spurious interrupts. (execute only with vino_lock locked) | |
1959 | */ | |
1960 | static void vino_clear_interrupt(struct vino_channel_settings *vcs) | |
1961 | { | |
1962 | struct sgi_vino_channel *ch; | |
1963 | ||
1964 | ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b; | |
1965 | ||
1966 | ch->page_index = 0; | |
1967 | ch->line_count = 0; | |
1968 | ||
1969 | ch->start_desc_tbl = vino_drvdata->dummy_desc_table.dma; | |
1970 | ch->next_4_desc = vino_drvdata->dummy_desc_table.dma; | |
1971 | ||
1972 | udelay(VINO_DESC_FETCH_DELAY); | |
1973 | dprintk("channel %c clear interrupt condition\n", | |
1974 | (vcs->channel == VINO_CHANNEL_A) ? 'A':'B'); | |
1975 | } | |
1976 | ||
1977 | static int vino_capture(struct vino_channel_settings *vcs, | |
1978 | struct vino_framebuffer *fb) | |
1979 | { | |
1980 | int err = 0; | |
1981 | unsigned long flags, flags2; | |
1982 | ||
1983 | spin_lock_irqsave(&fb->state_lock, flags); | |
1984 | ||
1985 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) | |
1986 | err = -EBUSY; | |
1987 | fb->state = VINO_FRAMEBUFFER_IN_USE; | |
1988 | ||
1989 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
1990 | ||
1991 | if (err) | |
1992 | return err; | |
1993 | ||
1994 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); | |
1995 | spin_lock_irqsave(&vino_drvdata->input_lock, flags2); | |
1996 | ||
1997 | vino_dma_setup(vcs, fb); | |
1998 | vino_dma_start(vcs); | |
1999 | ||
2000 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags2); | |
2001 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); | |
2002 | ||
2003 | return err; | |
2004 | } | |
2005 | ||
2006 | static | |
2007 | struct vino_framebuffer *vino_capture_enqueue(struct | |
2008 | vino_channel_settings *vcs, | |
2009 | unsigned int index) | |
2010 | { | |
2011 | struct vino_framebuffer *fb; | |
2012 | unsigned long flags; | |
2013 | ||
2014 | dprintk("vino_capture_enqueue():\n"); | |
2015 | ||
2016 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2017 | ||
2018 | fb = vino_queue_add(&vcs->fb_queue, index); | |
2019 | if (fb == NULL) { | |
2020 | dprintk("vino_capture_enqueue(): vino_queue_add() failed, " | |
2021 | "queue full?\n"); | |
2022 | goto out; | |
2023 | } | |
2024 | out: | |
2025 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2026 | ||
2027 | return fb; | |
2028 | } | |
2029 | ||
2030 | static int vino_capture_next(struct vino_channel_settings *vcs, int start) | |
2031 | { | |
2032 | struct vino_framebuffer *fb; | |
2033 | unsigned int incoming, id; | |
2034 | int err = 0; | |
a637a114 | 2035 | unsigned long flags; |
d203a7ec RB |
2036 | |
2037 | dprintk("vino_capture_next():\n"); | |
2038 | ||
2039 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2040 | ||
2041 | if (start) { | |
2042 | /* start capture only if capture isn't in progress already */ | |
2043 | if (vcs->capturing) { | |
2044 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2045 | return 0; | |
2046 | } | |
2047 | ||
2048 | } else { | |
2049 | /* capture next frame: | |
2050 | * stop capture if capturing is not set */ | |
2051 | if (!vcs->capturing) { | |
2052 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2053 | return 0; | |
2054 | } | |
2055 | } | |
2056 | ||
2057 | err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); | |
2058 | if (err) { | |
2059 | dprintk("vino_capture_next(): vino_queue_get_incoming() " | |
2060 | "failed\n"); | |
2061 | err = -EINVAL; | |
2062 | goto out; | |
2063 | } | |
2064 | if (incoming == 0) { | |
2065 | dprintk("vino_capture_next(): no buffers available\n"); | |
2066 | goto out; | |
2067 | } | |
2068 | ||
2069 | fb = vino_queue_peek(&vcs->fb_queue, &id); | |
2070 | if (fb == NULL) { | |
2071 | dprintk("vino_capture_next(): vino_queue_peek() failed\n"); | |
2072 | err = -EINVAL; | |
2073 | goto out; | |
2074 | } | |
2075 | ||
d203a7ec RB |
2076 | if (start) { |
2077 | vcs->capturing = 1; | |
2078 | } | |
2079 | ||
2080 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2081 | ||
2082 | err = vino_capture(vcs, fb); | |
2083 | ||
2084 | return err; | |
2085 | ||
2086 | out: | |
2087 | vcs->capturing = 0; | |
2088 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2089 | ||
2090 | return err; | |
2091 | } | |
2092 | ||
a637a114 | 2093 | static inline int vino_is_capturing(struct vino_channel_settings *vcs) |
d203a7ec RB |
2094 | { |
2095 | int ret; | |
2096 | unsigned long flags; | |
2097 | ||
2098 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2099 | ||
2100 | ret = vcs->capturing; | |
2101 | ||
2102 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2103 | ||
2104 | return ret; | |
2105 | } | |
2106 | ||
2107 | /* waits until a frame is captured */ | |
2108 | static int vino_wait_for_frame(struct vino_channel_settings *vcs) | |
2109 | { | |
2110 | wait_queue_t wait; | |
2111 | int err = 0; | |
2112 | ||
2113 | dprintk("vino_wait_for_frame():\n"); | |
2114 | ||
2115 | init_waitqueue_entry(&wait, current); | |
2116 | /* add ourselves into wait queue */ | |
2117 | add_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait); | |
d203a7ec RB |
2118 | |
2119 | /* to ensure that schedule_timeout will return immediately | |
f3a43d30 | 2120 | * if VINO interrupt was triggered meanwhile */ |
818ca471 | 2121 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
d203a7ec RB |
2122 | |
2123 | if (signal_pending(current)) | |
2124 | err = -EINTR; | |
2125 | ||
2126 | remove_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait); | |
2127 | ||
2128 | dprintk("vino_wait_for_frame(): waiting for frame %s\n", | |
2129 | err ? "failed" : "ok"); | |
2130 | ||
2131 | return err; | |
2132 | } | |
2133 | ||
2134 | /* the function assumes that PAGE_SIZE % 4 == 0 */ | |
2135 | static void vino_convert_to_rgba(struct vino_framebuffer *fb) { | |
2136 | unsigned char *pageptr; | |
2137 | unsigned int page, i; | |
2138 | unsigned char a; | |
2139 | ||
2140 | for (page = 0; page < fb->desc_table.page_count; page++) { | |
2141 | pageptr = (unsigned char *)fb->desc_table.virtual[page]; | |
2142 | ||
2143 | for (i = 0; i < PAGE_SIZE; i += 4) { | |
2144 | a = pageptr[0]; | |
2145 | pageptr[0] = pageptr[3]; | |
2146 | pageptr[1] = pageptr[2]; | |
2147 | pageptr[2] = pageptr[1]; | |
2148 | pageptr[3] = a; | |
2149 | pageptr += 4; | |
2150 | } | |
2151 | } | |
2152 | } | |
2153 | ||
2154 | /* checks if the buffer is in correct state and syncs data */ | |
2155 | static int vino_check_buffer(struct vino_channel_settings *vcs, | |
2156 | struct vino_framebuffer *fb) | |
2157 | { | |
2158 | int err = 0; | |
2159 | unsigned long flags; | |
2160 | ||
2161 | dprintk("vino_check_buffer():\n"); | |
2162 | ||
2163 | spin_lock_irqsave(&fb->state_lock, flags); | |
2164 | switch (fb->state) { | |
2165 | case VINO_FRAMEBUFFER_IN_USE: | |
2166 | err = -EIO; | |
2167 | break; | |
2168 | case VINO_FRAMEBUFFER_READY: | |
2169 | vino_sync_buffer(fb); | |
2170 | fb->state = VINO_FRAMEBUFFER_UNUSED; | |
2171 | break; | |
2172 | default: | |
2173 | err = -EINVAL; | |
2174 | } | |
2175 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2176 | ||
2177 | if (!err) { | |
2178 | if (vino_pixel_conversion | |
2179 | && (fb->data_format == VINO_DATA_FMT_RGB32)) { | |
2180 | vino_convert_to_rgba(fb); | |
2181 | } | |
2182 | } else if (err && (err != -EINVAL)) { | |
2183 | dprintk("vino_check_buffer(): buffer not ready\n"); | |
2184 | ||
2185 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); | |
2186 | vino_dma_stop(vcs); | |
2187 | vino_clear_interrupt(vcs); | |
2188 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); | |
2189 | } | |
2190 | ||
2191 | return err; | |
2192 | } | |
2193 | ||
2194 | /* forcefully terminates capture */ | |
2195 | static void vino_capture_stop(struct vino_channel_settings *vcs) | |
2196 | { | |
2197 | unsigned int incoming = 0, outgoing = 0, id; | |
2198 | unsigned long flags, flags2; | |
2199 | ||
2200 | dprintk("vino_capture_stop():\n"); | |
2201 | ||
2202 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
a637a114 | 2203 | |
d203a7ec RB |
2204 | /* unset capturing to stop queue processing */ |
2205 | vcs->capturing = 0; | |
2206 | ||
2207 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags2); | |
2208 | ||
2209 | vino_dma_stop(vcs); | |
2210 | vino_clear_interrupt(vcs); | |
2211 | ||
2212 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags2); | |
2213 | ||
2214 | /* remove all items from the queue */ | |
2215 | if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) { | |
2216 | dprintk("vino_capture_stop(): " | |
2217 | "vino_queue_get_incoming() failed\n"); | |
2218 | goto out; | |
2219 | } | |
2220 | while (incoming > 0) { | |
2221 | vino_queue_transfer(&vcs->fb_queue); | |
2222 | ||
2223 | if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) { | |
2224 | dprintk("vino_capture_stop(): " | |
2225 | "vino_queue_get_incoming() failed\n"); | |
2226 | goto out; | |
2227 | } | |
2228 | } | |
2229 | ||
2230 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
2231 | dprintk("vino_capture_stop(): " | |
2232 | "vino_queue_get_outgoing() failed\n"); | |
2233 | goto out; | |
2234 | } | |
2235 | while (outgoing > 0) { | |
2236 | vino_queue_remove(&vcs->fb_queue, &id); | |
2237 | ||
2238 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
2239 | dprintk("vino_capture_stop(): " | |
2240 | "vino_queue_get_outgoing() failed\n"); | |
2241 | goto out; | |
2242 | } | |
2243 | } | |
2244 | ||
2245 | out: | |
2246 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2247 | } | |
2248 | ||
a637a114 | 2249 | #if 0 |
d203a7ec RB |
2250 | static int vino_capture_failed(struct vino_channel_settings *vcs) |
2251 | { | |
2252 | struct vino_framebuffer *fb; | |
2253 | unsigned long flags; | |
2254 | unsigned int i; | |
2255 | int ret; | |
2256 | ||
2257 | dprintk("vino_capture_failed():\n"); | |
2258 | ||
2259 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); | |
2260 | ||
2261 | vino_dma_stop(vcs); | |
2262 | vino_clear_interrupt(vcs); | |
2263 | ||
2264 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); | |
2265 | ||
2266 | ret = vino_queue_get_incoming(&vcs->fb_queue, &i); | |
2267 | if (ret == VINO_QUEUE_ERROR) { | |
2268 | dprintk("vino_queue_get_incoming() failed\n"); | |
2269 | return -EINVAL; | |
2270 | } | |
2271 | if (i == 0) { | |
2272 | /* no buffers to process */ | |
2273 | return 0; | |
2274 | } | |
2275 | ||
2276 | fb = vino_queue_peek(&vcs->fb_queue, &i); | |
2277 | if (fb == NULL) { | |
2278 | dprintk("vino_queue_peek() failed\n"); | |
2279 | return -EINVAL; | |
2280 | } | |
2281 | ||
2282 | spin_lock_irqsave(&fb->state_lock, flags); | |
2283 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) { | |
2284 | fb->state = VINO_FRAMEBUFFER_UNUSED; | |
2285 | vino_queue_transfer(&vcs->fb_queue); | |
2286 | vino_queue_remove(&vcs->fb_queue, &i); | |
2287 | /* we should actually discard the newest frame, | |
2288 | * but who cares ... */ | |
2289 | } | |
2290 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2291 | ||
2292 | return 0; | |
2293 | } | |
a637a114 LM |
2294 | #endif |
2295 | ||
2296 | static void vino_skip_frame(struct vino_channel_settings *vcs) | |
2297 | { | |
2298 | struct vino_framebuffer *fb; | |
2299 | unsigned long flags; | |
2300 | unsigned int id; | |
2301 | ||
2302 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2303 | fb = vino_queue_peek(&vcs->fb_queue, &id); | |
2304 | if (!fb) { | |
2305 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2306 | dprintk("vino_skip_frame(): vino_queue_peek() failed!\n"); | |
2307 | return; | |
2308 | } | |
2309 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2310 | ||
2311 | spin_lock_irqsave(&fb->state_lock, flags); | |
2312 | fb->state = VINO_FRAMEBUFFER_UNUSED; | |
2313 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2314 | ||
2315 | vino_capture_next(vcs, 0); | |
2316 | } | |
d203a7ec | 2317 | |
a637a114 | 2318 | static void vino_frame_done(struct vino_channel_settings *vcs) |
d203a7ec RB |
2319 | { |
2320 | struct vino_framebuffer *fb; | |
2321 | unsigned long flags; | |
2322 | ||
2323 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2324 | fb = vino_queue_transfer(&vcs->fb_queue); | |
2325 | if (!fb) { | |
2326 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2327 | dprintk("vino_frame_done(): vino_queue_transfer() failed!\n"); | |
2328 | return; | |
2329 | } | |
2330 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2331 | ||
a637a114 LM |
2332 | fb->frame_counter = vcs->int_data.frame_counter; |
2333 | memcpy(&fb->timestamp, &vcs->int_data.timestamp, | |
2334 | sizeof(struct timeval)); | |
d203a7ec RB |
2335 | |
2336 | spin_lock_irqsave(&fb->state_lock, flags); | |
2337 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) | |
2338 | fb->state = VINO_FRAMEBUFFER_READY; | |
2339 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2340 | ||
2341 | wake_up(&vcs->fb_queue.frame_wait_queue); | |
2342 | ||
2343 | vino_capture_next(vcs, 0); | |
2344 | } | |
2345 | ||
a637a114 LM |
2346 | static void vino_capture_tasklet(unsigned long channel) { |
2347 | struct vino_channel_settings *vcs; | |
2348 | ||
2349 | vcs = (channel == VINO_CHANNEL_A) | |
2350 | ? &vino_drvdata->a : &vino_drvdata->b; | |
2351 | ||
2352 | if (vcs->int_data.skip) | |
2353 | vcs->int_data.skip_count++; | |
2354 | ||
2355 | if (vcs->int_data.skip && (vcs->int_data.skip_count | |
2356 | <= VINO_MAX_FRAME_SKIP_COUNT)) { | |
2357 | vino_skip_frame(vcs); | |
2358 | } else { | |
2359 | vcs->int_data.skip_count = 0; | |
2360 | vino_frame_done(vcs); | |
2361 | } | |
2362 | } | |
2363 | ||
7d12e780 | 2364 | static irqreturn_t vino_interrupt(int irq, void *dev_id) |
d203a7ec | 2365 | { |
a637a114 | 2366 | u32 ctrl, intr; |
d203a7ec | 2367 | unsigned int fc_a, fc_b; |
a637a114 LM |
2368 | int handled_a = 0, skip_a = 0, done_a = 0; |
2369 | int handled_b = 0, skip_b = 0, done_b = 0; | |
2370 | ||
2371 | #ifdef VINO_DEBUG_INT | |
2372 | int loop = 0; | |
2373 | unsigned int line_count = vino->a.line_count, | |
2374 | page_index = vino->a.page_index, | |
2375 | field_counter = vino->a.field_counter, | |
2376 | start_desc_tbl = vino->a.start_desc_tbl, | |
2377 | next_4_desc = vino->a.next_4_desc; | |
2378 | unsigned int line_count_2, | |
2379 | page_index_2, | |
2380 | field_counter_2, | |
2381 | start_desc_tbl_2, | |
2382 | next_4_desc_2; | |
2383 | #endif | |
d203a7ec RB |
2384 | |
2385 | spin_lock(&vino_drvdata->vino_lock); | |
2386 | ||
a637a114 LM |
2387 | while ((intr = vino->intr_status)) { |
2388 | fc_a = vino->a.field_counter >> 1; | |
2389 | fc_b = vino->b.field_counter >> 1; | |
2390 | ||
2391 | /* handle error-interrupts in some special way ? | |
2392 | * --> skips frames */ | |
2393 | if (intr & VINO_INTSTAT_A) { | |
2394 | if (intr & VINO_INTSTAT_A_EOF) { | |
2395 | vino_drvdata->a.field++; | |
2396 | if (vino_drvdata->a.field > 1) { | |
2397 | vino_dma_stop(&vino_drvdata->a); | |
2398 | vino_clear_interrupt(&vino_drvdata->a); | |
2399 | vino_drvdata->a.field = 0; | |
2400 | done_a = 1; | |
2401 | } else { | |
2402 | if (vino->a.page_index | |
2403 | != vino_drvdata->a.line_size) { | |
2404 | vino->a.line_count = 0; | |
2405 | vino->a.page_index = | |
2406 | vino_drvdata-> | |
2407 | a.line_size; | |
2408 | vino->a.next_4_desc = | |
2409 | vino->a.start_desc_tbl; | |
2410 | } | |
2411 | } | |
2412 | dprintk("channel A end-of-field " | |
2413 | "interrupt: %04x\n", intr); | |
2414 | } else { | |
d203a7ec RB |
2415 | vino_dma_stop(&vino_drvdata->a); |
2416 | vino_clear_interrupt(&vino_drvdata->a); | |
2417 | vino_drvdata->a.field = 0; | |
a637a114 LM |
2418 | skip_a = 1; |
2419 | dprintk("channel A error interrupt: %04x\n", | |
2420 | intr); | |
d203a7ec | 2421 | } |
a637a114 LM |
2422 | |
2423 | #ifdef VINO_DEBUG_INT | |
2424 | line_count_2 = vino->a.line_count; | |
2425 | page_index_2 = vino->a.page_index; | |
2426 | field_counter_2 = vino->a.field_counter; | |
2427 | start_desc_tbl_2 = vino->a.start_desc_tbl; | |
2428 | next_4_desc_2 = vino->a.next_4_desc; | |
2429 | ||
2430 | printk("intr = %04x, loop = %d, field = %d\n", | |
2431 | intr, loop, vino_drvdata->a.field); | |
2432 | printk("1- line count = %04d, page index = %04d, " | |
2433 | "start = %08x, next = %08x\n" | |
2434 | " fieldc = %d, framec = %d\n", | |
2435 | line_count, page_index, start_desc_tbl, | |
2436 | next_4_desc, field_counter, fc_a); | |
2437 | printk("12-line count = %04d, page index = %04d, " | |
2438 | " start = %08x, next = %08x\n", | |
2439 | line_count_2, page_index_2, start_desc_tbl_2, | |
2440 | next_4_desc_2); | |
2441 | ||
2442 | if (done_a) | |
2443 | printk("\n"); | |
2444 | #endif | |
d203a7ec | 2445 | } |
a637a114 LM |
2446 | |
2447 | if (intr & VINO_INTSTAT_B) { | |
2448 | if (intr & VINO_INTSTAT_B_EOF) { | |
2449 | vino_drvdata->b.field++; | |
2450 | if (vino_drvdata->b.field > 1) { | |
2451 | vino_dma_stop(&vino_drvdata->b); | |
2452 | vino_clear_interrupt(&vino_drvdata->b); | |
2453 | vino_drvdata->b.field = 0; | |
2454 | done_b = 1; | |
2455 | } | |
2456 | dprintk("channel B end-of-field " | |
2457 | "interrupt: %04x\n", intr); | |
2458 | } else { | |
d203a7ec RB |
2459 | vino_dma_stop(&vino_drvdata->b); |
2460 | vino_clear_interrupt(&vino_drvdata->b); | |
2461 | vino_drvdata->b.field = 0; | |
a637a114 LM |
2462 | skip_b = 1; |
2463 | dprintk("channel B error interrupt: %04x\n", | |
2464 | intr); | |
d203a7ec | 2465 | } |
d203a7ec | 2466 | } |
d203a7ec | 2467 | |
a637a114 LM |
2468 | /* Always remember to clear interrupt status. |
2469 | * Disable VINO interrupts while we do this. */ | |
2470 | ctrl = vino->control; | |
2471 | vino->control = ctrl & ~(VINO_CTRL_A_INT | VINO_CTRL_B_INT); | |
2472 | vino->intr_status = ~intr; | |
2473 | vino->control = ctrl; | |
d203a7ec | 2474 | |
a637a114 | 2475 | spin_unlock(&vino_drvdata->vino_lock); |
d203a7ec | 2476 | |
a637a114 LM |
2477 | if ((!handled_a) && (done_a || skip_a)) { |
2478 | if (!skip_a) { | |
2479 | do_gettimeofday(&vino_drvdata-> | |
2480 | a.int_data.timestamp); | |
2481 | vino_drvdata->a.int_data.frame_counter = fc_a; | |
2482 | } | |
2483 | vino_drvdata->a.int_data.skip = skip_a; | |
2484 | ||
2485 | dprintk("channel A %s, interrupt: %d\n", | |
2486 | skip_a ? "skipping frame" : "frame done", | |
2487 | intr); | |
2488 | tasklet_hi_schedule(&vino_tasklet_a); | |
2489 | handled_a = 1; | |
2490 | } | |
2491 | ||
2492 | if ((!handled_b) && (done_b || skip_b)) { | |
2493 | if (!skip_b) { | |
2494 | do_gettimeofday(&vino_drvdata-> | |
2495 | b.int_data.timestamp); | |
2496 | vino_drvdata->b.int_data.frame_counter = fc_b; | |
2497 | } | |
2498 | vino_drvdata->b.int_data.skip = skip_b; | |
2499 | ||
2500 | dprintk("channel B %s, interrupt: %d\n", | |
2501 | skip_b ? "skipping frame" : "frame done", | |
2502 | intr); | |
2503 | tasklet_hi_schedule(&vino_tasklet_b); | |
2504 | handled_b = 1; | |
2505 | } | |
2506 | ||
2507 | #ifdef VINO_DEBUG_INT | |
2508 | loop++; | |
2509 | #endif | |
2510 | spin_lock(&vino_drvdata->vino_lock); | |
d203a7ec RB |
2511 | } |
2512 | ||
a637a114 LM |
2513 | spin_unlock(&vino_drvdata->vino_lock); |
2514 | ||
d203a7ec RB |
2515 | return IRQ_HANDLED; |
2516 | } | |
2517 | ||
2518 | /* VINO video input management */ | |
2519 | ||
2520 | static int vino_get_saa7191_input(int input) | |
2521 | { | |
2522 | switch (input) { | |
2523 | case VINO_INPUT_COMPOSITE: | |
2524 | return SAA7191_INPUT_COMPOSITE; | |
2525 | case VINO_INPUT_SVIDEO: | |
2526 | return SAA7191_INPUT_SVIDEO; | |
2527 | default: | |
2528 | printk(KERN_ERR "VINO: vino_get_saa7191_input(): " | |
2529 | "invalid input!\n"); | |
2530 | return -1; | |
2531 | } | |
2532 | } | |
2533 | ||
d203a7ec RB |
2534 | /* execute with input_lock locked */ |
2535 | static int vino_is_input_owner(struct vino_channel_settings *vcs) | |
2536 | { | |
2537 | switch(vcs->input) { | |
2538 | case VINO_INPUT_COMPOSITE: | |
2539 | case VINO_INPUT_SVIDEO: | |
48f4dacb | 2540 | return vino_drvdata->decoder_owner == vcs->channel; |
d203a7ec | 2541 | case VINO_INPUT_D1: |
48f4dacb | 2542 | return vino_drvdata->camera_owner == vcs->channel; |
d203a7ec RB |
2543 | default: |
2544 | return 0; | |
2545 | } | |
2546 | } | |
2547 | ||
2548 | static int vino_acquire_input(struct vino_channel_settings *vcs) | |
2549 | { | |
a637a114 | 2550 | unsigned long flags; |
d203a7ec RB |
2551 | int ret = 0; |
2552 | ||
2553 | dprintk("vino_acquire_input():\n"); | |
2554 | ||
a637a114 | 2555 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2556 | |
2557 | /* First try D1 and then SAA7191 */ | |
48f4dacb HV |
2558 | if (vino_drvdata->camera |
2559 | && (vino_drvdata->camera_owner == VINO_NO_CHANNEL)) { | |
2560 | vino_drvdata->camera_owner = vcs->channel; | |
d203a7ec RB |
2561 | vcs->input = VINO_INPUT_D1; |
2562 | vcs->data_norm = VINO_DATA_NORM_D1; | |
48f4dacb HV |
2563 | } else if (vino_drvdata->decoder |
2564 | && (vino_drvdata->decoder_owner == VINO_NO_CHANNEL)) { | |
cf4e9484 HV |
2565 | int input; |
2566 | int data_norm; | |
2567 | v4l2_std_id norm; | |
d203a7ec | 2568 | |
a637a114 LM |
2569 | input = VINO_INPUT_COMPOSITE; |
2570 | ||
5325b427 HV |
2571 | ret = decoder_call(video, s_routing, |
2572 | vino_get_saa7191_input(input), 0, 0); | |
a637a114 LM |
2573 | if (ret) { |
2574 | ret = -EINVAL; | |
2575 | goto out; | |
2576 | } | |
2577 | ||
2578 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec | 2579 | |
a637a114 LM |
2580 | /* Don't hold spinlocks while auto-detecting norm |
2581 | * as it may take a while... */ | |
d203a7ec | 2582 | |
48f4dacb | 2583 | ret = decoder_call(video, querystd, &norm); |
cf4e9484 HV |
2584 | if (!ret) { |
2585 | for (data_norm = 0; data_norm < 3; data_norm++) { | |
2586 | if (vino_data_norms[data_norm].std & norm) | |
2587 | break; | |
2588 | } | |
2589 | if (data_norm == 3) | |
2590 | data_norm = VINO_DATA_NORM_PAL; | |
f41737ec | 2591 | ret = decoder_call(core, s_std, norm); |
a637a114 LM |
2592 | } |
2593 | ||
2594 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); | |
2595 | ||
2596 | if (ret) { | |
2597 | ret = -EINVAL; | |
2598 | goto out; | |
2599 | } | |
2600 | ||
48f4dacb | 2601 | vino_drvdata->decoder_owner = vcs->channel; |
a637a114 LM |
2602 | |
2603 | vcs->input = input; | |
2604 | vcs->data_norm = data_norm; | |
d203a7ec RB |
2605 | } else { |
2606 | vcs->input = (vcs->channel == VINO_CHANNEL_A) ? | |
2607 | vino_drvdata->b.input : vino_drvdata->a.input; | |
2608 | vcs->data_norm = (vcs->channel == VINO_CHANNEL_A) ? | |
2609 | vino_drvdata->b.data_norm : vino_drvdata->a.data_norm; | |
2610 | } | |
2611 | ||
2612 | if (vcs->input == VINO_INPUT_NONE) { | |
2613 | ret = -ENODEV; | |
2614 | goto out; | |
2615 | } | |
2616 | ||
a637a114 LM |
2617 | vino_set_default_clipping(vcs); |
2618 | vino_set_default_scaling(vcs); | |
2619 | vino_set_default_framerate(vcs); | |
d203a7ec RB |
2620 | |
2621 | dprintk("vino_acquire_input(): %s\n", vino_inputs[vcs->input].name); | |
2622 | ||
2623 | out: | |
a637a114 | 2624 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2625 | |
2626 | return ret; | |
2627 | } | |
2628 | ||
2629 | static int vino_set_input(struct vino_channel_settings *vcs, int input) | |
2630 | { | |
2631 | struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? | |
2632 | &vino_drvdata->b : &vino_drvdata->a; | |
a637a114 | 2633 | unsigned long flags; |
d203a7ec RB |
2634 | int ret = 0; |
2635 | ||
2636 | dprintk("vino_set_input():\n"); | |
2637 | ||
a637a114 | 2638 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2639 | |
2640 | if (vcs->input == input) | |
2641 | goto out; | |
2642 | ||
a637a114 | 2643 | switch (input) { |
d203a7ec RB |
2644 | case VINO_INPUT_COMPOSITE: |
2645 | case VINO_INPUT_SVIDEO: | |
48f4dacb | 2646 | if (!vino_drvdata->decoder) { |
d203a7ec RB |
2647 | ret = -EINVAL; |
2648 | goto out; | |
2649 | } | |
2650 | ||
48f4dacb HV |
2651 | if (vino_drvdata->decoder_owner == VINO_NO_CHANNEL) { |
2652 | vino_drvdata->decoder_owner = vcs->channel; | |
d203a7ec RB |
2653 | } |
2654 | ||
48f4dacb | 2655 | if (vino_drvdata->decoder_owner == vcs->channel) { |
a637a114 | 2656 | int data_norm; |
cf4e9484 | 2657 | v4l2_std_id norm; |
d203a7ec | 2658 | |
5325b427 HV |
2659 | ret = decoder_call(video, s_routing, |
2660 | vino_get_saa7191_input(input), 0, 0); | |
a637a114 | 2661 | if (ret) { |
48f4dacb | 2662 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
a637a114 LM |
2663 | ret = -EINVAL; |
2664 | goto out; | |
2665 | } | |
2666 | ||
2667 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
2668 | ||
2669 | /* Don't hold spinlocks while auto-detecting norm | |
2670 | * as it may take a while... */ | |
2671 | ||
48f4dacb | 2672 | ret = decoder_call(video, querystd, &norm); |
cf4e9484 HV |
2673 | if (!ret) { |
2674 | for (data_norm = 0; data_norm < 3; data_norm++) { | |
2675 | if (vino_data_norms[data_norm].std & norm) | |
2676 | break; | |
2677 | } | |
2678 | if (data_norm == 3) | |
2679 | data_norm = VINO_DATA_NORM_PAL; | |
f41737ec | 2680 | ret = decoder_call(core, s_std, norm); |
a637a114 | 2681 | } |
d203a7ec | 2682 | |
a637a114 LM |
2683 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
2684 | ||
2685 | if (ret) { | |
48f4dacb | 2686 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
a637a114 LM |
2687 | ret = -EINVAL; |
2688 | goto out; | |
2689 | } | |
2690 | ||
2691 | vcs->input = input; | |
2692 | vcs->data_norm = data_norm; | |
d203a7ec | 2693 | } else { |
a637a114 | 2694 | if (input != vcs2->input) { |
d203a7ec RB |
2695 | ret = -EBUSY; |
2696 | goto out; | |
2697 | } | |
2698 | ||
2699 | vcs->input = input; | |
2700 | vcs->data_norm = vcs2->data_norm; | |
2701 | } | |
2702 | ||
48f4dacb | 2703 | if (vino_drvdata->camera_owner == vcs->channel) { |
d203a7ec RB |
2704 | /* Transfer the ownership or release the input */ |
2705 | if (vcs2->input == VINO_INPUT_D1) { | |
48f4dacb | 2706 | vino_drvdata->camera_owner = vcs2->channel; |
d203a7ec | 2707 | } else { |
48f4dacb | 2708 | vino_drvdata->camera_owner = VINO_NO_CHANNEL; |
d203a7ec RB |
2709 | } |
2710 | } | |
2711 | break; | |
2712 | case VINO_INPUT_D1: | |
48f4dacb | 2713 | if (!vino_drvdata->camera) { |
d203a7ec RB |
2714 | ret = -EINVAL; |
2715 | goto out; | |
2716 | } | |
2717 | ||
48f4dacb HV |
2718 | if (vino_drvdata->camera_owner == VINO_NO_CHANNEL) |
2719 | vino_drvdata->camera_owner = vcs->channel; | |
d203a7ec | 2720 | |
48f4dacb | 2721 | if (vino_drvdata->decoder_owner == vcs->channel) { |
d203a7ec RB |
2722 | /* Transfer the ownership or release the input */ |
2723 | if ((vcs2->input == VINO_INPUT_COMPOSITE) || | |
2724 | (vcs2->input == VINO_INPUT_SVIDEO)) { | |
48f4dacb | 2725 | vino_drvdata->decoder_owner = vcs2->channel; |
d203a7ec | 2726 | } else { |
48f4dacb | 2727 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
d203a7ec RB |
2728 | } |
2729 | } | |
2730 | ||
2731 | vcs->input = input; | |
2732 | vcs->data_norm = VINO_DATA_NORM_D1; | |
2733 | break; | |
2734 | default: | |
2735 | ret = -EINVAL; | |
2736 | goto out; | |
2737 | } | |
2738 | ||
2739 | vino_set_default_clipping(vcs); | |
a637a114 | 2740 | vino_set_default_scaling(vcs); |
d203a7ec RB |
2741 | vino_set_default_framerate(vcs); |
2742 | ||
2743 | dprintk("vino_set_input(): %s\n", vino_inputs[vcs->input].name); | |
2744 | ||
2745 | out: | |
a637a114 | 2746 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2747 | |
2748 | return ret; | |
2749 | } | |
2750 | ||
2751 | static void vino_release_input(struct vino_channel_settings *vcs) | |
2752 | { | |
2753 | struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? | |
2754 | &vino_drvdata->b : &vino_drvdata->a; | |
a637a114 | 2755 | unsigned long flags; |
d203a7ec RB |
2756 | |
2757 | dprintk("vino_release_input():\n"); | |
2758 | ||
a637a114 | 2759 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2760 | |
2761 | /* Release ownership of the channel | |
2762 | * and if the other channel takes input from | |
2763 | * the same source, transfer the ownership */ | |
48f4dacb | 2764 | if (vino_drvdata->camera_owner == vcs->channel) { |
d203a7ec | 2765 | if (vcs2->input == VINO_INPUT_D1) { |
48f4dacb | 2766 | vino_drvdata->camera_owner = vcs2->channel; |
d203a7ec | 2767 | } else { |
48f4dacb | 2768 | vino_drvdata->camera_owner = VINO_NO_CHANNEL; |
d203a7ec | 2769 | } |
48f4dacb | 2770 | } else if (vino_drvdata->decoder_owner == vcs->channel) { |
d203a7ec RB |
2771 | if ((vcs2->input == VINO_INPUT_COMPOSITE) || |
2772 | (vcs2->input == VINO_INPUT_SVIDEO)) { | |
48f4dacb | 2773 | vino_drvdata->decoder_owner = vcs2->channel; |
d203a7ec | 2774 | } else { |
48f4dacb | 2775 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
d203a7ec RB |
2776 | } |
2777 | } | |
2778 | vcs->input = VINO_INPUT_NONE; | |
2779 | ||
a637a114 | 2780 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2781 | } |
2782 | ||
2783 | /* execute with input_lock locked */ | |
2784 | static int vino_set_data_norm(struct vino_channel_settings *vcs, | |
a637a114 LM |
2785 | unsigned int data_norm, |
2786 | unsigned long *flags) | |
d203a7ec | 2787 | { |
a637a114 LM |
2788 | int err = 0; |
2789 | ||
2790 | if (data_norm == vcs->data_norm) | |
2791 | return 0; | |
d203a7ec RB |
2792 | |
2793 | switch (vcs->input) { | |
2794 | case VINO_INPUT_D1: | |
2795 | /* only one "norm" supported */ | |
cf4e9484 | 2796 | if (data_norm != VINO_DATA_NORM_D1) |
d203a7ec RB |
2797 | return -EINVAL; |
2798 | break; | |
2799 | case VINO_INPUT_COMPOSITE: | |
a637a114 | 2800 | case VINO_INPUT_SVIDEO: { |
cf4e9484 HV |
2801 | v4l2_std_id norm; |
2802 | ||
a637a114 LM |
2803 | if ((data_norm != VINO_DATA_NORM_PAL) |
2804 | && (data_norm != VINO_DATA_NORM_NTSC) | |
cf4e9484 | 2805 | && (data_norm != VINO_DATA_NORM_SECAM)) |
a637a114 | 2806 | return -EINVAL; |
d203a7ec | 2807 | |
a637a114 LM |
2808 | spin_unlock_irqrestore(&vino_drvdata->input_lock, *flags); |
2809 | ||
2810 | /* Don't hold spinlocks while setting norm | |
2811 | * as it may take a while... */ | |
2812 | ||
cf4e9484 | 2813 | norm = vino_data_norms[data_norm].std; |
f41737ec | 2814 | err = decoder_call(core, s_std, norm); |
a637a114 LM |
2815 | |
2816 | spin_lock_irqsave(&vino_drvdata->input_lock, *flags); | |
2817 | ||
2818 | if (err) | |
2819 | goto out; | |
d203a7ec | 2820 | |
d203a7ec | 2821 | vcs->data_norm = data_norm; |
a637a114 LM |
2822 | |
2823 | vino_set_default_clipping(vcs); | |
2824 | vino_set_default_scaling(vcs); | |
2825 | vino_set_default_framerate(vcs); | |
d203a7ec | 2826 | break; |
a637a114 | 2827 | } |
d203a7ec RB |
2828 | default: |
2829 | return -EINVAL; | |
2830 | } | |
2831 | ||
a637a114 LM |
2832 | out: |
2833 | return err; | |
d203a7ec RB |
2834 | } |
2835 | ||
2836 | /* V4L2 helper functions */ | |
2837 | ||
2838 | static int vino_find_data_format(__u32 pixelformat) | |
2839 | { | |
2840 | int i; | |
2841 | ||
2842 | for (i = 0; i < VINO_DATA_FMT_COUNT; i++) { | |
2843 | if (vino_data_formats[i].pixelformat == pixelformat) | |
2844 | return i; | |
2845 | } | |
2846 | ||
2847 | return VINO_DATA_FMT_NONE; | |
2848 | } | |
2849 | ||
c49cb361 | 2850 | static int vino_int_enum_input(struct vino_channel_settings *vcs, __u32 index) |
d203a7ec RB |
2851 | { |
2852 | int input = VINO_INPUT_NONE; | |
a637a114 | 2853 | unsigned long flags; |
d203a7ec | 2854 | |
a637a114 | 2855 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
48f4dacb | 2856 | if (vino_drvdata->decoder && vino_drvdata->camera) { |
d203a7ec RB |
2857 | switch (index) { |
2858 | case 0: | |
2859 | input = VINO_INPUT_COMPOSITE; | |
2860 | break; | |
2861 | case 1: | |
2862 | input = VINO_INPUT_SVIDEO; | |
2863 | break; | |
2864 | case 2: | |
2865 | input = VINO_INPUT_D1; | |
2866 | break; | |
2867 | } | |
48f4dacb | 2868 | } else if (vino_drvdata->decoder) { |
d203a7ec RB |
2869 | switch (index) { |
2870 | case 0: | |
2871 | input = VINO_INPUT_COMPOSITE; | |
2872 | break; | |
2873 | case 1: | |
2874 | input = VINO_INPUT_SVIDEO; | |
2875 | break; | |
2876 | } | |
48f4dacb | 2877 | } else if (vino_drvdata->camera) { |
d203a7ec RB |
2878 | switch (index) { |
2879 | case 0: | |
2880 | input = VINO_INPUT_D1; | |
2881 | break; | |
2882 | } | |
2883 | } | |
a637a114 | 2884 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2885 | |
2886 | return input; | |
2887 | } | |
2888 | ||
2889 | /* execute with input_lock locked */ | |
2890 | static __u32 vino_find_input_index(struct vino_channel_settings *vcs) | |
2891 | { | |
2892 | __u32 index = 0; | |
2893 | // FIXME: detect when no inputs available | |
2894 | ||
48f4dacb | 2895 | if (vino_drvdata->decoder && vino_drvdata->camera) { |
d203a7ec RB |
2896 | switch (vcs->input) { |
2897 | case VINO_INPUT_COMPOSITE: | |
2898 | index = 0; | |
2899 | break; | |
2900 | case VINO_INPUT_SVIDEO: | |
2901 | index = 1; | |
2902 | break; | |
2903 | case VINO_INPUT_D1: | |
2904 | index = 2; | |
2905 | break; | |
2906 | } | |
48f4dacb | 2907 | } else if (vino_drvdata->decoder) { |
d203a7ec RB |
2908 | switch (vcs->input) { |
2909 | case VINO_INPUT_COMPOSITE: | |
2910 | index = 0; | |
2911 | break; | |
2912 | case VINO_INPUT_SVIDEO: | |
2913 | index = 1; | |
2914 | break; | |
2915 | } | |
48f4dacb | 2916 | } else if (vino_drvdata->camera) { |
d203a7ec RB |
2917 | switch (vcs->input) { |
2918 | case VINO_INPUT_D1: | |
2919 | index = 0; | |
2920 | break; | |
2921 | } | |
2922 | } | |
2923 | ||
2924 | return index; | |
2925 | } | |
2926 | ||
2927 | /* V4L2 ioctls */ | |
2928 | ||
c49cb361 HV |
2929 | static int vino_querycap(struct file *file, void *__fh, |
2930 | struct v4l2_capability *cap) | |
d203a7ec RB |
2931 | { |
2932 | memset(cap, 0, sizeof(struct v4l2_capability)); | |
2933 | ||
2934 | strcpy(cap->driver, vino_driver_name); | |
2935 | strcpy(cap->card, vino_driver_description); | |
2936 | strcpy(cap->bus_info, vino_bus_name); | |
2937 | cap->version = VINO_VERSION_CODE; | |
2938 | cap->capabilities = | |
2939 | V4L2_CAP_VIDEO_CAPTURE | | |
2940 | V4L2_CAP_STREAMING; | |
2941 | // V4L2_CAP_OVERLAY, V4L2_CAP_READWRITE | |
c49cb361 | 2942 | return 0; |
d203a7ec RB |
2943 | } |
2944 | ||
c49cb361 | 2945 | static int vino_enum_input(struct file *file, void *__fh, |
d203a7ec RB |
2946 | struct v4l2_input *i) |
2947 | { | |
c49cb361 | 2948 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
2949 | __u32 index = i->index; |
2950 | int input; | |
2951 | dprintk("requested index = %d\n", index); | |
2952 | ||
c49cb361 | 2953 | input = vino_int_enum_input(vcs, index); |
d203a7ec RB |
2954 | if (input == VINO_INPUT_NONE) |
2955 | return -EINVAL; | |
2956 | ||
2957 | memset(i, 0, sizeof(struct v4l2_input)); | |
2958 | ||
2959 | i->index = index; | |
2960 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
2961 | i->std = vino_inputs[input].std; | |
2962 | strcpy(i->name, vino_inputs[input].name); | |
2963 | ||
cf4e9484 | 2964 | if (input == VINO_INPUT_COMPOSITE || input == VINO_INPUT_SVIDEO) |
48f4dacb | 2965 | decoder_call(video, g_input_status, &i->status); |
d203a7ec RB |
2966 | return 0; |
2967 | } | |
2968 | ||
c49cb361 | 2969 | static int vino_g_input(struct file *file, void *__fh, |
a637a114 | 2970 | unsigned int *i) |
d203a7ec | 2971 | { |
c49cb361 | 2972 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
2973 | __u32 index; |
2974 | int input; | |
a637a114 | 2975 | unsigned long flags; |
d203a7ec | 2976 | |
a637a114 | 2977 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2978 | input = vcs->input; |
2979 | index = vino_find_input_index(vcs); | |
a637a114 | 2980 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2981 | |
2982 | dprintk("input = %d\n", input); | |
2983 | ||
2984 | if (input == VINO_INPUT_NONE) { | |
2985 | return -EINVAL; | |
2986 | } | |
2987 | ||
a637a114 | 2988 | *i = index; |
d203a7ec RB |
2989 | |
2990 | return 0; | |
2991 | } | |
2992 | ||
c49cb361 HV |
2993 | static int vino_s_input(struct file *file, void *__fh, |
2994 | unsigned int i) | |
d203a7ec | 2995 | { |
c49cb361 | 2996 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 2997 | int input; |
c49cb361 | 2998 | dprintk("requested input = %d\n", i); |
d203a7ec | 2999 | |
c49cb361 | 3000 | input = vino_int_enum_input(vcs, i); |
d203a7ec RB |
3001 | if (input == VINO_INPUT_NONE) |
3002 | return -EINVAL; | |
3003 | ||
3004 | return vino_set_input(vcs, input); | |
3005 | } | |
3006 | ||
c49cb361 | 3007 | static int vino_querystd(struct file *file, void *__fh, |
a637a114 LM |
3008 | v4l2_std_id *std) |
3009 | { | |
c49cb361 | 3010 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3011 | unsigned long flags; |
3012 | int err = 0; | |
3013 | ||
3014 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); | |
3015 | ||
3016 | switch (vcs->input) { | |
3017 | case VINO_INPUT_D1: | |
3018 | *std = vino_inputs[vcs->input].std; | |
3019 | break; | |
3020 | case VINO_INPUT_COMPOSITE: | |
3021 | case VINO_INPUT_SVIDEO: { | |
48f4dacb | 3022 | decoder_call(video, querystd, std); |
a637a114 LM |
3023 | break; |
3024 | } | |
3025 | default: | |
3026 | err = -EINVAL; | |
3027 | } | |
3028 | ||
3029 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
3030 | ||
3031 | return err; | |
3032 | } | |
3033 | ||
c49cb361 | 3034 | static int vino_g_std(struct file *file, void *__fh, |
d203a7ec RB |
3035 | v4l2_std_id *std) |
3036 | { | |
c49cb361 | 3037 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3038 | unsigned long flags; |
3039 | ||
3040 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); | |
3041 | ||
d203a7ec | 3042 | *std = vino_data_norms[vcs->data_norm].std; |
a637a114 LM |
3043 | dprintk("current standard = %d\n", vcs->data_norm); |
3044 | ||
3045 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3046 | |
3047 | return 0; | |
3048 | } | |
3049 | ||
c49cb361 | 3050 | static int vino_s_std(struct file *file, void *__fh, |
d203a7ec RB |
3051 | v4l2_std_id *std) |
3052 | { | |
c49cb361 | 3053 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3054 | unsigned long flags; |
d203a7ec RB |
3055 | int ret = 0; |
3056 | ||
a637a114 LM |
3057 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3058 | ||
3059 | if (!vino_is_input_owner(vcs)) { | |
3060 | ret = -EBUSY; | |
3061 | goto out; | |
3062 | } | |
d203a7ec RB |
3063 | |
3064 | /* check if the standard is valid for the current input */ | |
a637a114 | 3065 | if ((*std) & vino_inputs[vcs->input].std) { |
d203a7ec RB |
3066 | dprintk("standard accepted\n"); |
3067 | ||
3068 | /* change the video norm for SAA7191 | |
3069 | * and accept NTSC for D1 (do nothing) */ | |
3070 | ||
3071 | if (vcs->input == VINO_INPUT_D1) | |
3072 | goto out; | |
3073 | ||
cf4e9484 | 3074 | if ((*std) & V4L2_STD_PAL) { |
a637a114 LM |
3075 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_PAL, |
3076 | &flags); | |
d203a7ec | 3077 | } else if ((*std) & V4L2_STD_NTSC) { |
a637a114 LM |
3078 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC, |
3079 | &flags); | |
d203a7ec | 3080 | } else if ((*std) & V4L2_STD_SECAM) { |
a637a114 LM |
3081 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM, |
3082 | &flags); | |
d203a7ec RB |
3083 | } else { |
3084 | ret = -EINVAL; | |
3085 | } | |
a637a114 LM |
3086 | |
3087 | if (ret) { | |
3088 | ret = -EINVAL; | |
3089 | } | |
d203a7ec RB |
3090 | } else { |
3091 | ret = -EINVAL; | |
3092 | } | |
3093 | ||
3094 | out: | |
a637a114 | 3095 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3096 | |
3097 | return ret; | |
3098 | } | |
3099 | ||
c49cb361 | 3100 | static int vino_enum_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3101 | struct v4l2_fmtdesc *fd) |
3102 | { | |
4f5a7444 | 3103 | dprintk("format index = %d\n", fd->index); |
c49cb361 | 3104 | |
4f5a7444 | 3105 | if (fd->index >= VINO_DATA_FMT_COUNT) |
d203a7ec | 3106 | return -EINVAL; |
4f5a7444 TP |
3107 | dprintk("format name = %s\n", vino_data_formats[fd->index].description); |
3108 | ||
3109 | fd->pixelformat = vino_data_formats[fd->index].pixelformat; | |
3110 | strcpy(fd->description, vino_data_formats[fd->index].description); | |
d203a7ec RB |
3111 | return 0; |
3112 | } | |
3113 | ||
c49cb361 | 3114 | static int vino_try_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3115 | struct v4l2_format *f) |
3116 | { | |
c49cb361 | 3117 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 3118 | struct vino_channel_settings tempvcs; |
a637a114 | 3119 | unsigned long flags; |
c49cb361 | 3120 | struct v4l2_pix_format *pf = &f->fmt.pix; |
d203a7ec | 3121 | |
c49cb361 HV |
3122 | dprintk("requested: w = %d, h = %d\n", |
3123 | pf->width, pf->height); | |
d203a7ec | 3124 | |
c49cb361 HV |
3125 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3126 | memcpy(&tempvcs, vcs, sizeof(struct vino_channel_settings)); | |
3127 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec | 3128 | |
c49cb361 HV |
3129 | tempvcs.data_format = vino_find_data_format(pf->pixelformat); |
3130 | if (tempvcs.data_format == VINO_DATA_FMT_NONE) { | |
3131 | tempvcs.data_format = VINO_DATA_FMT_GREY; | |
3132 | pf->pixelformat = | |
3133 | vino_data_formats[tempvcs.data_format]. | |
3134 | pixelformat; | |
3135 | } | |
d203a7ec | 3136 | |
c49cb361 HV |
3137 | /* data format must be set before clipping/scaling */ |
3138 | vino_set_scaling(&tempvcs, pf->width, pf->height); | |
d203a7ec | 3139 | |
c49cb361 HV |
3140 | dprintk("data format = %s\n", |
3141 | vino_data_formats[tempvcs.data_format].description); | |
d203a7ec | 3142 | |
c49cb361 HV |
3143 | pf->width = (tempvcs.clipping.right - tempvcs.clipping.left) / |
3144 | tempvcs.decimation; | |
3145 | pf->height = (tempvcs.clipping.bottom - tempvcs.clipping.top) / | |
3146 | tempvcs.decimation; | |
d203a7ec | 3147 | |
c49cb361 HV |
3148 | pf->field = V4L2_FIELD_INTERLACED; |
3149 | pf->bytesperline = tempvcs.line_size; | |
3150 | pf->sizeimage = tempvcs.line_size * | |
3151 | (tempvcs.clipping.bottom - tempvcs.clipping.top) / | |
3152 | tempvcs.decimation; | |
3153 | pf->colorspace = | |
3154 | vino_data_formats[tempvcs.data_format].colorspace; | |
d203a7ec | 3155 | |
c49cb361 | 3156 | pf->priv = 0; |
d203a7ec RB |
3157 | return 0; |
3158 | } | |
3159 | ||
c49cb361 | 3160 | static int vino_g_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3161 | struct v4l2_format *f) |
3162 | { | |
c49cb361 | 3163 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3164 | unsigned long flags; |
c49cb361 | 3165 | struct v4l2_pix_format *pf = &f->fmt.pix; |
a637a114 | 3166 | |
c49cb361 | 3167 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3168 | |
c49cb361 HV |
3169 | pf->width = (vcs->clipping.right - vcs->clipping.left) / |
3170 | vcs->decimation; | |
3171 | pf->height = (vcs->clipping.bottom - vcs->clipping.top) / | |
3172 | vcs->decimation; | |
3173 | pf->pixelformat = | |
3174 | vino_data_formats[vcs->data_format].pixelformat; | |
d203a7ec | 3175 | |
c49cb361 HV |
3176 | pf->field = V4L2_FIELD_INTERLACED; |
3177 | pf->bytesperline = vcs->line_size; | |
3178 | pf->sizeimage = vcs->line_size * | |
3179 | (vcs->clipping.bottom - vcs->clipping.top) / | |
3180 | vcs->decimation; | |
3181 | pf->colorspace = | |
3182 | vino_data_formats[vcs->data_format].colorspace; | |
d203a7ec | 3183 | |
c49cb361 | 3184 | pf->priv = 0; |
d203a7ec | 3185 | |
c49cb361 | 3186 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3187 | return 0; |
3188 | } | |
3189 | ||
c49cb361 | 3190 | static int vino_s_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3191 | struct v4l2_format *f) |
3192 | { | |
c49cb361 | 3193 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 3194 | int data_format; |
a637a114 | 3195 | unsigned long flags; |
c49cb361 | 3196 | struct v4l2_pix_format *pf = &f->fmt.pix; |
d203a7ec | 3197 | |
c49cb361 | 3198 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
a637a114 | 3199 | |
c49cb361 | 3200 | data_format = vino_find_data_format(pf->pixelformat); |
d203a7ec | 3201 | |
c49cb361 HV |
3202 | if (data_format == VINO_DATA_FMT_NONE) { |
3203 | vcs->data_format = VINO_DATA_FMT_GREY; | |
3204 | pf->pixelformat = | |
3205 | vino_data_formats[vcs->data_format]. | |
3206 | pixelformat; | |
3207 | } else { | |
3208 | vcs->data_format = data_format; | |
3209 | } | |
d203a7ec | 3210 | |
c49cb361 HV |
3211 | /* data format must be set before clipping/scaling */ |
3212 | vino_set_scaling(vcs, pf->width, pf->height); | |
d203a7ec | 3213 | |
c49cb361 HV |
3214 | dprintk("data format = %s\n", |
3215 | vino_data_formats[vcs->data_format].description); | |
d203a7ec | 3216 | |
c49cb361 HV |
3217 | pf->width = vcs->clipping.right - vcs->clipping.left; |
3218 | pf->height = vcs->clipping.bottom - vcs->clipping.top; | |
d203a7ec | 3219 | |
c49cb361 HV |
3220 | pf->field = V4L2_FIELD_INTERLACED; |
3221 | pf->bytesperline = vcs->line_size; | |
3222 | pf->sizeimage = vcs->line_size * | |
3223 | (vcs->clipping.bottom - vcs->clipping.top) / | |
3224 | vcs->decimation; | |
3225 | pf->colorspace = | |
3226 | vino_data_formats[vcs->data_format].colorspace; | |
d203a7ec | 3227 | |
c49cb361 | 3228 | pf->priv = 0; |
d203a7ec | 3229 | |
c49cb361 | 3230 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3231 | return 0; |
3232 | } | |
3233 | ||
c49cb361 | 3234 | static int vino_cropcap(struct file *file, void *__fh, |
d203a7ec RB |
3235 | struct v4l2_cropcap *ccap) |
3236 | { | |
c49cb361 | 3237 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 3238 | const struct vino_data_norm *norm; |
a637a114 | 3239 | unsigned long flags; |
d203a7ec RB |
3240 | |
3241 | switch (ccap->type) { | |
3242 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
a637a114 LM |
3243 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3244 | ||
d203a7ec | 3245 | norm = &vino_data_norms[vcs->data_norm]; |
a637a114 LM |
3246 | |
3247 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3248 | |
3249 | ccap->bounds.left = 0; | |
3250 | ccap->bounds.top = 0; | |
3251 | ccap->bounds.width = norm->width; | |
3252 | ccap->bounds.height = norm->height; | |
3253 | memcpy(&ccap->defrect, &ccap->bounds, | |
3254 | sizeof(struct v4l2_rect)); | |
3255 | ||
3256 | ccap->pixelaspect.numerator = 1; | |
3257 | ccap->pixelaspect.denominator = 1; | |
3258 | break; | |
3259 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
3260 | default: | |
3261 | return -EINVAL; | |
3262 | } | |
3263 | ||
3264 | return 0; | |
3265 | } | |
3266 | ||
c49cb361 | 3267 | static int vino_g_crop(struct file *file, void *__fh, |
d203a7ec RB |
3268 | struct v4l2_crop *c) |
3269 | { | |
c49cb361 | 3270 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3271 | unsigned long flags; |
3272 | ||
d203a7ec RB |
3273 | switch (c->type) { |
3274 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
a637a114 | 3275 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3276 | |
3277 | c->c.left = vcs->clipping.left; | |
3278 | c->c.top = vcs->clipping.top; | |
3279 | c->c.width = vcs->clipping.right - vcs->clipping.left; | |
3280 | c->c.height = vcs->clipping.bottom - vcs->clipping.top; | |
3281 | ||
a637a114 | 3282 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3283 | break; |
3284 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
3285 | default: | |
3286 | return -EINVAL; | |
3287 | } | |
3288 | ||
3289 | return 0; | |
3290 | } | |
3291 | ||
c49cb361 | 3292 | static int vino_s_crop(struct file *file, void *__fh, |
d203a7ec RB |
3293 | struct v4l2_crop *c) |
3294 | { | |
c49cb361 | 3295 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3296 | unsigned long flags; |
3297 | ||
d203a7ec RB |
3298 | switch (c->type) { |
3299 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
a637a114 | 3300 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3301 | |
d203a7ec RB |
3302 | vino_set_clipping(vcs, c->c.left, c->c.top, |
3303 | c->c.width, c->c.height); | |
3304 | ||
a637a114 | 3305 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3306 | break; |
3307 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
3308 | default: | |
3309 | return -EINVAL; | |
3310 | } | |
3311 | ||
3312 | return 0; | |
3313 | } | |
3314 | ||
c49cb361 | 3315 | static int vino_g_parm(struct file *file, void *__fh, |
d203a7ec RB |
3316 | struct v4l2_streamparm *sp) |
3317 | { | |
c49cb361 | 3318 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3319 | unsigned long flags; |
4f5a7444 | 3320 | struct v4l2_captureparm *cp = &sp->parm.capture; |
a637a114 | 3321 | |
4f5a7444 TP |
3322 | cp->capability = V4L2_CAP_TIMEPERFRAME; |
3323 | cp->timeperframe.numerator = 1; | |
d203a7ec | 3324 | |
4f5a7444 | 3325 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3326 | |
4f5a7444 | 3327 | cp->timeperframe.denominator = vcs->fps; |
a637a114 | 3328 | |
4f5a7444 | 3329 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
a637a114 | 3330 | |
4f5a7444 | 3331 | /* TODO: cp->readbuffers = xxx; */ |
d203a7ec RB |
3332 | |
3333 | return 0; | |
3334 | } | |
3335 | ||
c49cb361 | 3336 | static int vino_s_parm(struct file *file, void *__fh, |
d203a7ec RB |
3337 | struct v4l2_streamparm *sp) |
3338 | { | |
c49cb361 | 3339 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3340 | unsigned long flags; |
4f5a7444 | 3341 | struct v4l2_captureparm *cp = &sp->parm.capture; |
a637a114 | 3342 | |
4f5a7444 | 3343 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3344 | |
4f5a7444 TP |
3345 | if ((cp->timeperframe.numerator == 0) || |
3346 | (cp->timeperframe.denominator == 0)) { | |
3347 | /* reset framerate */ | |
3348 | vino_set_default_framerate(vcs); | |
3349 | } else { | |
3350 | vino_set_framerate(vcs, cp->timeperframe.denominator / | |
3351 | cp->timeperframe.numerator); | |
d203a7ec RB |
3352 | } |
3353 | ||
4f5a7444 TP |
3354 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
3355 | ||
d203a7ec RB |
3356 | return 0; |
3357 | } | |
3358 | ||
c49cb361 | 3359 | static int vino_reqbufs(struct file *file, void *__fh, |
d203a7ec RB |
3360 | struct v4l2_requestbuffers *rb) |
3361 | { | |
c49cb361 | 3362 | struct vino_channel_settings *vcs = video_drvdata(file); |
4f5a7444 | 3363 | |
d203a7ec RB |
3364 | if (vcs->reading) |
3365 | return -EBUSY; | |
3366 | ||
4f5a7444 TP |
3367 | /* TODO: check queue type */ |
3368 | if (rb->memory != V4L2_MEMORY_MMAP) { | |
3369 | dprintk("type not mmap\n"); | |
3370 | return -EINVAL; | |
3371 | } | |
d203a7ec | 3372 | |
4f5a7444 TP |
3373 | dprintk("count = %d\n", rb->count); |
3374 | if (rb->count > 0) { | |
3375 | if (vino_is_capturing(vcs)) { | |
3376 | dprintk("busy, capturing\n"); | |
3377 | return -EBUSY; | |
3378 | } | |
a637a114 | 3379 | |
4f5a7444 TP |
3380 | if (vino_queue_has_mapped_buffers(&vcs->fb_queue)) { |
3381 | dprintk("busy, buffers still mapped\n"); | |
3382 | return -EBUSY; | |
d203a7ec | 3383 | } else { |
a637a114 | 3384 | vcs->streaming = 0; |
d203a7ec | 3385 | vino_queue_free(&vcs->fb_queue); |
4f5a7444 | 3386 | vino_queue_init(&vcs->fb_queue, &rb->count); |
d203a7ec | 3387 | } |
4f5a7444 TP |
3388 | } else { |
3389 | vcs->streaming = 0; | |
3390 | vino_capture_stop(vcs); | |
3391 | vino_queue_free(&vcs->fb_queue); | |
d203a7ec RB |
3392 | } |
3393 | ||
3394 | return 0; | |
3395 | } | |
3396 | ||
3397 | static void vino_v4l2_get_buffer_status(struct vino_channel_settings *vcs, | |
3398 | struct vino_framebuffer *fb, | |
3399 | struct v4l2_buffer *b) | |
3400 | { | |
3401 | if (vino_queue_outgoing_contains(&vcs->fb_queue, | |
3402 | fb->id)) { | |
3403 | b->flags &= ~V4L2_BUF_FLAG_QUEUED; | |
3404 | b->flags |= V4L2_BUF_FLAG_DONE; | |
3405 | } else if (vino_queue_incoming_contains(&vcs->fb_queue, | |
3406 | fb->id)) { | |
3407 | b->flags &= ~V4L2_BUF_FLAG_DONE; | |
3408 | b->flags |= V4L2_BUF_FLAG_QUEUED; | |
3409 | } else { | |
3410 | b->flags &= ~(V4L2_BUF_FLAG_DONE | | |
3411 | V4L2_BUF_FLAG_QUEUED); | |
3412 | } | |
3413 | ||
3414 | b->flags &= ~(V4L2_BUF_FLAG_TIMECODE); | |
3415 | ||
3416 | if (fb->map_count > 0) | |
3417 | b->flags |= V4L2_BUF_FLAG_MAPPED; | |
3418 | ||
3419 | b->index = fb->id; | |
3420 | b->memory = (vcs->fb_queue.type == VINO_MEMORY_MMAP) ? | |
3421 | V4L2_MEMORY_MMAP : V4L2_MEMORY_USERPTR; | |
3422 | b->m.offset = fb->offset; | |
3423 | b->bytesused = fb->data_size; | |
3424 | b->length = fb->size; | |
3425 | b->field = V4L2_FIELD_INTERLACED; | |
3426 | b->sequence = fb->frame_counter; | |
3427 | memcpy(&b->timestamp, &fb->timestamp, | |
3428 | sizeof(struct timeval)); | |
3429 | // b->input ? | |
3430 | ||
3431 | dprintk("buffer %d: length = %d, bytesused = %d, offset = %d\n", | |
3432 | fb->id, fb->size, fb->data_size, fb->offset); | |
3433 | } | |
3434 | ||
c49cb361 | 3435 | static int vino_querybuf(struct file *file, void *__fh, |
d203a7ec RB |
3436 | struct v4l2_buffer *b) |
3437 | { | |
c49cb361 | 3438 | struct vino_channel_settings *vcs = video_drvdata(file); |
4f5a7444 TP |
3439 | struct vino_framebuffer *fb; |
3440 | ||
d203a7ec RB |
3441 | if (vcs->reading) |
3442 | return -EBUSY; | |
3443 | ||
4f5a7444 TP |
3444 | /* TODO: check queue type */ |
3445 | if (b->index >= vino_queue_get_length(&vcs->fb_queue)) { | |
3446 | dprintk("invalid index = %d\n", | |
3447 | b->index); | |
3448 | return -EINVAL; | |
d203a7ec | 3449 | } |
4f5a7444 TP |
3450 | |
3451 | fb = vino_queue_get_buffer(&vcs->fb_queue, | |
3452 | b->index); | |
3453 | if (fb == NULL) { | |
3454 | dprintk("vino_queue_get_buffer() failed"); | |
d203a7ec RB |
3455 | return -EINVAL; |
3456 | } | |
3457 | ||
4f5a7444 TP |
3458 | vino_v4l2_get_buffer_status(vcs, fb, b); |
3459 | ||
d203a7ec RB |
3460 | return 0; |
3461 | } | |
3462 | ||
c49cb361 | 3463 | static int vino_qbuf(struct file *file, void *__fh, |
d203a7ec RB |
3464 | struct v4l2_buffer *b) |
3465 | { | |
c49cb361 | 3466 | struct vino_channel_settings *vcs = video_drvdata(file); |
4f5a7444 TP |
3467 | struct vino_framebuffer *fb; |
3468 | int ret; | |
3469 | ||
d203a7ec RB |
3470 | if (vcs->reading) |
3471 | return -EBUSY; | |
3472 | ||
4f5a7444 TP |
3473 | /* TODO: check queue type */ |
3474 | if (b->memory != V4L2_MEMORY_MMAP) { | |
3475 | dprintk("type not mmap\n"); | |
3476 | return -EINVAL; | |
3477 | } | |
d203a7ec | 3478 | |
4f5a7444 TP |
3479 | fb = vino_capture_enqueue(vcs, b->index); |
3480 | if (fb == NULL) | |
3481 | return -EINVAL; | |
d203a7ec | 3482 | |
4f5a7444 | 3483 | vino_v4l2_get_buffer_status(vcs, fb, b); |
d203a7ec | 3484 | |
4f5a7444 TP |
3485 | if (vcs->streaming) { |
3486 | ret = vino_capture_next(vcs, 1); | |
3487 | if (ret) | |
3488 | return ret; | |
d203a7ec RB |
3489 | } |
3490 | ||
3491 | return 0; | |
3492 | } | |
3493 | ||
c49cb361 HV |
3494 | static int vino_dqbuf(struct file *file, void *__fh, |
3495 | struct v4l2_buffer *b) | |
d203a7ec | 3496 | { |
c49cb361 HV |
3497 | struct vino_channel_settings *vcs = video_drvdata(file); |
3498 | unsigned int nonblocking = file->f_flags & O_NONBLOCK; | |
4f5a7444 TP |
3499 | struct vino_framebuffer *fb; |
3500 | unsigned int incoming, outgoing; | |
3501 | int err; | |
3502 | ||
d203a7ec RB |
3503 | if (vcs->reading) |
3504 | return -EBUSY; | |
3505 | ||
4f5a7444 | 3506 | /* TODO: check queue type */ |
d203a7ec | 3507 | |
4f5a7444 TP |
3508 | err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); |
3509 | if (err) { | |
3510 | dprintk("vino_queue_get_incoming() failed\n"); | |
3511 | return -EINVAL; | |
3512 | } | |
3513 | err = vino_queue_get_outgoing(&vcs->fb_queue, &outgoing); | |
3514 | if (err) { | |
3515 | dprintk("vino_queue_get_outgoing() failed\n"); | |
3516 | return -EINVAL; | |
3517 | } | |
d203a7ec | 3518 | |
4f5a7444 TP |
3519 | dprintk("incoming = %d, outgoing = %d\n", incoming, outgoing); |
3520 | ||
3521 | if (outgoing == 0) { | |
3522 | if (incoming == 0) { | |
3523 | dprintk("no incoming or outgoing buffers\n"); | |
a637a114 | 3524 | return -EINVAL; |
d203a7ec | 3525 | } |
4f5a7444 TP |
3526 | if (nonblocking) { |
3527 | dprintk("non-blocking I/O was selected and " | |
3528 | "there are no buffers to dequeue\n"); | |
3529 | return -EAGAIN; | |
d203a7ec RB |
3530 | } |
3531 | ||
4f5a7444 TP |
3532 | err = vino_wait_for_frame(vcs); |
3533 | if (err) { | |
d203a7ec RB |
3534 | err = vino_wait_for_frame(vcs); |
3535 | if (err) { | |
4f5a7444 TP |
3536 | /* interrupted or no frames captured because of |
3537 | * frame skipping */ | |
3538 | /* vino_capture_failed(vcs); */ | |
3539 | return -EIO; | |
d203a7ec RB |
3540 | } |
3541 | } | |
4f5a7444 | 3542 | } |
d203a7ec | 3543 | |
4f5a7444 TP |
3544 | fb = vino_queue_remove(&vcs->fb_queue, &b->index); |
3545 | if (fb == NULL) { | |
3546 | dprintk("vino_queue_remove() failed\n"); | |
3547 | return -EINVAL; | |
3548 | } | |
a637a114 | 3549 | |
4f5a7444 | 3550 | err = vino_check_buffer(vcs, fb); |
a637a114 | 3551 | |
4f5a7444 | 3552 | vino_v4l2_get_buffer_status(vcs, fb, b); |
d203a7ec | 3553 | |
4f5a7444 TP |
3554 | if (err) |
3555 | return -EIO; | |
d203a7ec RB |
3556 | |
3557 | return 0; | |
3558 | } | |
3559 | ||
c49cb361 HV |
3560 | static int vino_streamon(struct file *file, void *__fh, |
3561 | enum v4l2_buf_type i) | |
d203a7ec | 3562 | { |
c49cb361 | 3563 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3564 | unsigned int incoming; |
3565 | int ret; | |
3566 | if (vcs->reading) | |
3567 | return -EBUSY; | |
3568 | ||
3569 | if (vcs->streaming) | |
3570 | return 0; | |
3571 | ||
3572 | // TODO: check queue type | |
3573 | ||
3574 | if (vino_queue_get_length(&vcs->fb_queue) < 1) { | |
3575 | dprintk("no buffers allocated\n"); | |
3576 | return -EINVAL; | |
3577 | } | |
3578 | ||
3579 | ret = vino_queue_get_incoming(&vcs->fb_queue, &incoming); | |
3580 | if (ret) { | |
3581 | dprintk("vino_queue_get_incoming() failed\n"); | |
3582 | return -EINVAL; | |
3583 | } | |
3584 | ||
3585 | vcs->streaming = 1; | |
3586 | ||
3587 | if (incoming > 0) { | |
3588 | ret = vino_capture_next(vcs, 1); | |
3589 | if (ret) { | |
3590 | vcs->streaming = 0; | |
3591 | ||
3592 | dprintk("couldn't start capture\n"); | |
3593 | return -EINVAL; | |
3594 | } | |
3595 | } | |
3596 | ||
3597 | return 0; | |
3598 | } | |
3599 | ||
c49cb361 HV |
3600 | static int vino_streamoff(struct file *file, void *__fh, |
3601 | enum v4l2_buf_type i) | |
d203a7ec | 3602 | { |
c49cb361 | 3603 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3604 | if (vcs->reading) |
3605 | return -EBUSY; | |
3606 | ||
3607 | if (!vcs->streaming) | |
3608 | return 0; | |
3609 | ||
d203a7ec | 3610 | vcs->streaming = 0; |
a637a114 | 3611 | vino_capture_stop(vcs); |
d203a7ec RB |
3612 | |
3613 | return 0; | |
3614 | } | |
3615 | ||
c49cb361 | 3616 | static int vino_queryctrl(struct file *file, void *__fh, |
d203a7ec RB |
3617 | struct v4l2_queryctrl *queryctrl) |
3618 | { | |
c49cb361 | 3619 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3620 | unsigned long flags; |
d203a7ec RB |
3621 | int i; |
3622 | int err = 0; | |
3623 | ||
a637a114 | 3624 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3625 | |
3626 | switch (vcs->input) { | |
3627 | case VINO_INPUT_D1: | |
3628 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { | |
3629 | if (vino_indycam_v4l2_controls[i].id == | |
3630 | queryctrl->id) { | |
3631 | memcpy(queryctrl, | |
3632 | &vino_indycam_v4l2_controls[i], | |
3633 | sizeof(struct v4l2_queryctrl)); | |
a637a114 | 3634 | queryctrl->reserved[0] = 0; |
d203a7ec RB |
3635 | goto found; |
3636 | } | |
3637 | } | |
3638 | ||
3639 | err = -EINVAL; | |
3640 | break; | |
3641 | case VINO_INPUT_COMPOSITE: | |
3642 | case VINO_INPUT_SVIDEO: | |
3643 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { | |
3644 | if (vino_saa7191_v4l2_controls[i].id == | |
3645 | queryctrl->id) { | |
3646 | memcpy(queryctrl, | |
3647 | &vino_saa7191_v4l2_controls[i], | |
3648 | sizeof(struct v4l2_queryctrl)); | |
a637a114 | 3649 | queryctrl->reserved[0] = 0; |
d203a7ec RB |
3650 | goto found; |
3651 | } | |
3652 | } | |
3653 | ||
3654 | err = -EINVAL; | |
3655 | break; | |
3656 | default: | |
3657 | err = -EINVAL; | |
3658 | } | |
3659 | ||
3660 | found: | |
a637a114 | 3661 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3662 | |
3663 | return err; | |
3664 | } | |
3665 | ||
c49cb361 | 3666 | static int vino_g_ctrl(struct file *file, void *__fh, |
d203a7ec RB |
3667 | struct v4l2_control *control) |
3668 | { | |
c49cb361 | 3669 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3670 | unsigned long flags; |
3671 | int i; | |
d203a7ec RB |
3672 | int err = 0; |
3673 | ||
a637a114 | 3674 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3675 | |
3676 | switch (vcs->input) { | |
a637a114 | 3677 | case VINO_INPUT_D1: { |
cf4e9484 | 3678 | err = -EINVAL; |
a637a114 | 3679 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3680 | if (vino_indycam_v4l2_controls[i].id == control->id) { |
3681 | err = 0; | |
3682 | break; | |
a637a114 LM |
3683 | } |
3684 | } | |
3685 | ||
cf4e9484 | 3686 | if (err) |
a637a114 | 3687 | goto out; |
a637a114 | 3688 | |
48f4dacb | 3689 | err = camera_call(core, g_ctrl, control); |
cf4e9484 HV |
3690 | if (err) |
3691 | err = -EINVAL; | |
d203a7ec | 3692 | break; |
a637a114 | 3693 | } |
d203a7ec | 3694 | case VINO_INPUT_COMPOSITE: |
a637a114 | 3695 | case VINO_INPUT_SVIDEO: { |
cf4e9484 | 3696 | err = -EINVAL; |
a637a114 | 3697 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3698 | if (vino_saa7191_v4l2_controls[i].id == control->id) { |
3699 | err = 0; | |
3700 | break; | |
a637a114 LM |
3701 | } |
3702 | } | |
3703 | ||
cf4e9484 | 3704 | if (err) |
a637a114 | 3705 | goto out; |
a637a114 | 3706 | |
48f4dacb | 3707 | err = decoder_call(core, g_ctrl, control); |
cf4e9484 HV |
3708 | if (err) |
3709 | err = -EINVAL; | |
d203a7ec | 3710 | break; |
a637a114 | 3711 | } |
d203a7ec RB |
3712 | default: |
3713 | err = -EINVAL; | |
3714 | } | |
3715 | ||
a637a114 LM |
3716 | out: |
3717 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3718 | |
3719 | return err; | |
3720 | } | |
3721 | ||
c49cb361 | 3722 | static int vino_s_ctrl(struct file *file, void *__fh, |
d203a7ec RB |
3723 | struct v4l2_control *control) |
3724 | { | |
c49cb361 | 3725 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3726 | unsigned long flags; |
d203a7ec RB |
3727 | int i; |
3728 | int err = 0; | |
3729 | ||
a637a114 LM |
3730 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3731 | ||
3732 | if (!vino_is_input_owner(vcs)) { | |
3733 | err = -EBUSY; | |
3734 | goto out; | |
3735 | } | |
d203a7ec RB |
3736 | |
3737 | switch (vcs->input) { | |
a637a114 | 3738 | case VINO_INPUT_D1: { |
cf4e9484 | 3739 | err = -EINVAL; |
d203a7ec | 3740 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3741 | if (vino_indycam_v4l2_controls[i].id == control->id) { |
3742 | err = 0; | |
3743 | break; | |
d203a7ec RB |
3744 | } |
3745 | } | |
cf4e9484 HV |
3746 | if (err) |
3747 | goto out; | |
3748 | if (control->value < vino_indycam_v4l2_controls[i].minimum || | |
3749 | control->value > vino_indycam_v4l2_controls[i].maximum) { | |
3750 | err = -ERANGE; | |
3751 | goto out; | |
3752 | } | |
48f4dacb | 3753 | err = camera_call(core, s_ctrl, control); |
a637a114 LM |
3754 | if (err) |
3755 | err = -EINVAL; | |
d203a7ec | 3756 | break; |
a637a114 | 3757 | } |
d203a7ec | 3758 | case VINO_INPUT_COMPOSITE: |
a637a114 | 3759 | case VINO_INPUT_SVIDEO: { |
cf4e9484 | 3760 | err = -EINVAL; |
d203a7ec | 3761 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3762 | if (vino_saa7191_v4l2_controls[i].id == control->id) { |
3763 | err = 0; | |
3764 | break; | |
d203a7ec RB |
3765 | } |
3766 | } | |
cf4e9484 HV |
3767 | if (err) |
3768 | goto out; | |
3769 | if (control->value < vino_saa7191_v4l2_controls[i].minimum || | |
3770 | control->value > vino_saa7191_v4l2_controls[i].maximum) { | |
3771 | err = -ERANGE; | |
3772 | goto out; | |
3773 | } | |
d203a7ec | 3774 | |
48f4dacb | 3775 | err = decoder_call(core, s_ctrl, control); |
a637a114 LM |
3776 | if (err) |
3777 | err = -EINVAL; | |
d203a7ec | 3778 | break; |
a637a114 | 3779 | } |
d203a7ec RB |
3780 | default: |
3781 | err = -EINVAL; | |
3782 | } | |
3783 | ||
a637a114 LM |
3784 | out: |
3785 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3786 | |
3787 | return err; | |
3788 | } | |
3789 | ||
3790 | /* File operations */ | |
3791 | ||
bec43661 | 3792 | static int vino_open(struct file *file) |
d203a7ec | 3793 | { |
c170ecf4 | 3794 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3795 | int ret = 0; |
3796 | dprintk("open(): channel = %c\n", | |
3797 | (vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B'); | |
3798 | ||
3593cab5 | 3799 | mutex_lock(&vcs->mutex); |
d203a7ec RB |
3800 | |
3801 | if (vcs->users) { | |
3802 | dprintk("open(): driver busy\n"); | |
3803 | ret = -EBUSY; | |
3804 | goto out; | |
3805 | } | |
3806 | ||
3807 | ret = vino_acquire_input(vcs); | |
3808 | if (ret) { | |
3809 | dprintk("open(): vino_acquire_input() failed\n"); | |
3810 | goto out; | |
3811 | } | |
3812 | ||
3813 | vcs->users++; | |
3814 | ||
3815 | out: | |
3593cab5 | 3816 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
3817 | |
3818 | dprintk("open(): %s!\n", ret ? "failed" : "complete"); | |
3819 | ||
3820 | return ret; | |
3821 | } | |
3822 | ||
bec43661 | 3823 | static int vino_close(struct file *file) |
d203a7ec | 3824 | { |
c170ecf4 | 3825 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3826 | dprintk("close():\n"); |
3827 | ||
3593cab5 | 3828 | mutex_lock(&vcs->mutex); |
d203a7ec RB |
3829 | |
3830 | vcs->users--; | |
3831 | ||
3832 | if (!vcs->users) { | |
3833 | vino_release_input(vcs); | |
3834 | ||
3835 | /* stop DMA and free buffers */ | |
3836 | vino_capture_stop(vcs); | |
3837 | vino_queue_free(&vcs->fb_queue); | |
3838 | } | |
3839 | ||
3593cab5 | 3840 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
3841 | |
3842 | return 0; | |
3843 | } | |
3844 | ||
3845 | static void vino_vm_open(struct vm_area_struct *vma) | |
3846 | { | |
3847 | struct vino_framebuffer *fb = vma->vm_private_data; | |
3848 | ||
3849 | fb->map_count++; | |
3850 | dprintk("vino_vm_open(): count = %d\n", fb->map_count); | |
3851 | } | |
3852 | ||
3853 | static void vino_vm_close(struct vm_area_struct *vma) | |
3854 | { | |
3855 | struct vino_framebuffer *fb = vma->vm_private_data; | |
3856 | ||
3857 | fb->map_count--; | |
3858 | dprintk("vino_vm_close(): count = %d\n", fb->map_count); | |
3859 | } | |
3860 | ||
f0f37e2f | 3861 | static const struct vm_operations_struct vino_vm_ops = { |
d203a7ec RB |
3862 | .open = vino_vm_open, |
3863 | .close = vino_vm_close, | |
3864 | }; | |
3865 | ||
3866 | static int vino_mmap(struct file *file, struct vm_area_struct *vma) | |
3867 | { | |
c170ecf4 | 3868 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3869 | |
3870 | unsigned long start = vma->vm_start; | |
3871 | unsigned long size = vma->vm_end - vma->vm_start; | |
3872 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; | |
3873 | ||
3874 | struct vino_framebuffer *fb = NULL; | |
3875 | unsigned int i, length; | |
3876 | int ret = 0; | |
3877 | ||
3878 | dprintk("mmap():\n"); | |
3879 | ||
3880 | // TODO: reject mmap if already mapped | |
3881 | ||
3593cab5 | 3882 | if (mutex_lock_interruptible(&vcs->mutex)) |
d203a7ec RB |
3883 | return -EINTR; |
3884 | ||
3885 | if (vcs->reading) { | |
3886 | ret = -EBUSY; | |
3887 | goto out; | |
3888 | } | |
3889 | ||
3890 | // TODO: check queue type | |
3891 | ||
3892 | if (!(vma->vm_flags & VM_WRITE)) { | |
3893 | dprintk("mmap(): app bug: PROT_WRITE please\n"); | |
3894 | ret = -EINVAL; | |
3895 | goto out; | |
3896 | } | |
3897 | if (!(vma->vm_flags & VM_SHARED)) { | |
3898 | dprintk("mmap(): app bug: MAP_SHARED please\n"); | |
3899 | ret = -EINVAL; | |
3900 | goto out; | |
3901 | } | |
3902 | ||
3903 | /* find the correct buffer using offset */ | |
3904 | length = vino_queue_get_length(&vcs->fb_queue); | |
3905 | if (length == 0) { | |
3906 | dprintk("mmap(): queue not initialized\n"); | |
3907 | ret = -EINVAL; | |
3908 | goto out; | |
3909 | } | |
3910 | ||
3911 | for (i = 0; i < length; i++) { | |
3912 | fb = vino_queue_get_buffer(&vcs->fb_queue, i); | |
3913 | if (fb == NULL) { | |
3914 | dprintk("mmap(): vino_queue_get_buffer() failed\n"); | |
3915 | ret = -EINVAL; | |
3916 | goto out; | |
3917 | } | |
3918 | ||
3919 | if (fb->offset == offset) | |
3920 | goto found; | |
3921 | } | |
3922 | ||
3923 | dprintk("mmap(): invalid offset = %lu\n", offset); | |
3924 | ret = -EINVAL; | |
3925 | goto out; | |
3926 | ||
3927 | found: | |
3928 | dprintk("mmap(): buffer = %d\n", i); | |
3929 | ||
3930 | if (size > (fb->desc_table.page_count * PAGE_SIZE)) { | |
3931 | dprintk("mmap(): failed: size = %lu > %lu\n", | |
3932 | size, fb->desc_table.page_count * PAGE_SIZE); | |
3933 | ret = -EINVAL; | |
3934 | goto out; | |
3935 | } | |
3936 | ||
3937 | for (i = 0; i < fb->desc_table.page_count; i++) { | |
3938 | unsigned long pfn = | |
3939 | virt_to_phys((void *)fb->desc_table.virtual[i]) >> | |
3940 | PAGE_SHIFT; | |
3941 | ||
3942 | if (size < PAGE_SIZE) | |
3943 | break; | |
3944 | ||
3945 | // protection was: PAGE_READONLY | |
3946 | if (remap_pfn_range(vma, start, pfn, PAGE_SIZE, | |
3947 | vma->vm_page_prot)) { | |
3948 | dprintk("mmap(): remap_pfn_range() failed\n"); | |
3949 | ret = -EAGAIN; | |
3950 | goto out; | |
3951 | } | |
3952 | ||
3953 | start += PAGE_SIZE; | |
3954 | size -= PAGE_SIZE; | |
3955 | } | |
3956 | ||
3957 | fb->map_count = 1; | |
3958 | ||
3959 | vma->vm_flags |= VM_DONTEXPAND | VM_RESERVED; | |
3960 | vma->vm_flags &= ~VM_IO; | |
3961 | vma->vm_private_data = fb; | |
3962 | vma->vm_file = file; | |
3963 | vma->vm_ops = &vino_vm_ops; | |
3964 | ||
3965 | out: | |
3593cab5 | 3966 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
3967 | |
3968 | return ret; | |
3969 | } | |
3970 | ||
3971 | static unsigned int vino_poll(struct file *file, poll_table *pt) | |
3972 | { | |
c170ecf4 | 3973 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3974 | unsigned int outgoing; |
3975 | unsigned int ret = 0; | |
3976 | ||
3977 | // lock mutex (?) | |
3978 | // TODO: this has to be corrected for different read modes | |
3979 | ||
3980 | dprintk("poll():\n"); | |
3981 | ||
3982 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
3983 | dprintk("poll(): vino_queue_get_outgoing() failed\n"); | |
3984 | ret = POLLERR; | |
3985 | goto error; | |
3986 | } | |
3987 | if (outgoing > 0) | |
3988 | goto over; | |
3989 | ||
3990 | poll_wait(file, &vcs->fb_queue.frame_wait_queue, pt); | |
3991 | ||
3992 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
3993 | dprintk("poll(): vino_queue_get_outgoing() failed\n"); | |
3994 | ret = POLLERR; | |
3995 | goto error; | |
3996 | } | |
3997 | ||
3998 | over: | |
3999 | dprintk("poll(): data %savailable\n", | |
4000 | (outgoing > 0) ? "" : "not "); | |
a637a114 LM |
4001 | |
4002 | if (outgoing > 0) | |
d203a7ec | 4003 | ret = POLLIN | POLLRDNORM; |
d203a7ec RB |
4004 | |
4005 | error: | |
d203a7ec RB |
4006 | return ret; |
4007 | } | |
4008 | ||
069b7479 | 4009 | static long vino_ioctl(struct file *file, |
d203a7ec RB |
4010 | unsigned int cmd, unsigned long arg) |
4011 | { | |
c170ecf4 | 4012 | struct vino_channel_settings *vcs = video_drvdata(file); |
069b7479 | 4013 | long ret; |
d203a7ec | 4014 | |
3593cab5 | 4015 | if (mutex_lock_interruptible(&vcs->mutex)) |
d203a7ec RB |
4016 | return -EINTR; |
4017 | ||
c49cb361 | 4018 | ret = video_ioctl2(file, cmd, arg); |
d203a7ec | 4019 | |
3593cab5 | 4020 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
4021 | |
4022 | return ret; | |
4023 | } | |
4024 | ||
4025 | /* Initialization and cleanup */ | |
4026 | ||
ff699e6b DSL |
4027 | /* __initdata */ |
4028 | static int vino_init_stage; | |
d203a7ec | 4029 | |
c49cb361 HV |
4030 | const struct v4l2_ioctl_ops vino_ioctl_ops = { |
4031 | .vidioc_enum_fmt_vid_cap = vino_enum_fmt_vid_cap, | |
4032 | .vidioc_g_fmt_vid_cap = vino_g_fmt_vid_cap, | |
4033 | .vidioc_s_fmt_vid_cap = vino_s_fmt_vid_cap, | |
4034 | .vidioc_try_fmt_vid_cap = vino_try_fmt_vid_cap, | |
4035 | .vidioc_querycap = vino_querycap, | |
4036 | .vidioc_enum_input = vino_enum_input, | |
4037 | .vidioc_g_input = vino_g_input, | |
4038 | .vidioc_s_input = vino_s_input, | |
4039 | .vidioc_g_std = vino_g_std, | |
4040 | .vidioc_s_std = vino_s_std, | |
4041 | .vidioc_querystd = vino_querystd, | |
4042 | .vidioc_cropcap = vino_cropcap, | |
4043 | .vidioc_s_crop = vino_s_crop, | |
4044 | .vidioc_g_crop = vino_g_crop, | |
4045 | .vidioc_s_parm = vino_s_parm, | |
4046 | .vidioc_g_parm = vino_g_parm, | |
4047 | .vidioc_reqbufs = vino_reqbufs, | |
4048 | .vidioc_querybuf = vino_querybuf, | |
4049 | .vidioc_qbuf = vino_qbuf, | |
4050 | .vidioc_dqbuf = vino_dqbuf, | |
4051 | .vidioc_streamon = vino_streamon, | |
4052 | .vidioc_streamoff = vino_streamoff, | |
4053 | .vidioc_queryctrl = vino_queryctrl, | |
4054 | .vidioc_g_ctrl = vino_g_ctrl, | |
4055 | .vidioc_s_ctrl = vino_s_ctrl, | |
4056 | }; | |
4057 | ||
bec43661 | 4058 | static const struct v4l2_file_operations vino_fops = { |
d203a7ec RB |
4059 | .owner = THIS_MODULE, |
4060 | .open = vino_open, | |
4061 | .release = vino_close, | |
28959638 | 4062 | .unlocked_ioctl = vino_ioctl, |
d203a7ec RB |
4063 | .mmap = vino_mmap, |
4064 | .poll = vino_poll, | |
d203a7ec RB |
4065 | }; |
4066 | ||
0ef4dbad | 4067 | static struct video_device vdev_template = { |
d203a7ec | 4068 | .name = "NOT SET", |
d203a7ec | 4069 | .fops = &vino_fops, |
c49cb361 HV |
4070 | .ioctl_ops = &vino_ioctl_ops, |
4071 | .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, | |
d203a7ec RB |
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); |