Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
d203a7ec | 2 | * Driver for the VINO (Video In No Out) system found in SGI Indys. |
1da177e4 LT |
3 | * |
4 | * This file is subject to the terms and conditions of the GNU General Public | |
5 | * License version 2 as published by the Free Software Foundation. | |
6 | * | |
d203a7ec RB |
7 | * Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi> |
8 | * | |
9 | * Based on the previous version of the driver for 2.4 kernels by: | |
1da177e4 | 10 | * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org> |
a99e30d7 HV |
11 | * |
12 | * v4l2_device/v4l2_subdev conversion by: | |
13 | * Copyright (C) 2009 Hans Verkuil <hverkuil@xs4all.nl> | |
14 | * | |
15 | * Note: this conversion is untested! Please contact the linux-media | |
16 | * mailinglist if you can test this, together with the test results. | |
1da177e4 LT |
17 | */ |
18 | ||
d203a7ec RB |
19 | /* |
20 | * TODO: | |
a637a114 | 21 | * - remove "mark pages reserved-hacks" from memory allocation code |
3c18ddd1 | 22 | * and implement fault() |
d203a7ec RB |
23 | * - check decimation, calculating and reporting image size when |
24 | * using decimation | |
a637a114 | 25 | * - implement read(), user mode buffers and overlay (?) |
d203a7ec RB |
26 | */ |
27 | ||
1da177e4 | 28 | #include <linux/init.h> |
d203a7ec | 29 | #include <linux/module.h> |
1da177e4 | 30 | #include <linux/delay.h> |
495515b3 | 31 | #include <linux/dma-mapping.h> |
d203a7ec RB |
32 | #include <linux/errno.h> |
33 | #include <linux/fs.h> | |
495515b3 | 34 | #include <linux/interrupt.h> |
d203a7ec | 35 | #include <linux/kernel.h> |
5a0e3ad6 | 36 | #include <linux/slab.h> |
d203a7ec | 37 | #include <linux/mm.h> |
495515b3 | 38 | #include <linux/time.h> |
d203a7ec | 39 | #include <linux/kmod.h> |
d203a7ec | 40 | |
1da177e4 | 41 | #include <linux/i2c.h> |
1da177e4 | 42 | |
33b687cf | 43 | #include <linux/videodev2.h> |
28959638 | 44 | #include <media/v4l2-device.h> |
c2cfcf70 | 45 | #include <media/v4l2-ioctl.h> |
3593cab5 | 46 | #include <linux/mutex.h> |
d203a7ec | 47 | |
1da177e4 LT |
48 | #include <asm/paccess.h> |
49 | #include <asm/io.h> | |
50 | #include <asm/sgi/ip22.h> | |
1da177e4 LT |
51 | #include <asm/sgi/mc.h> |
52 | ||
53 | #include "vino.h" | |
d203a7ec RB |
54 | #include "saa7191.h" |
55 | #include "indycam.h" | |
1da177e4 | 56 | |
d203a7ec RB |
57 | /* Uncomment the following line to get lots and lots of (mostly useless) |
58 | * debug info. | |
59 | * Note that the debug output also slows down the driver significantly */ | |
60 | // #define VINO_DEBUG | |
a637a114 | 61 | // #define VINO_DEBUG_INT |
d203a7ec | 62 | |
1990d50b | 63 | #define VINO_MODULE_VERSION "0.0.7" |
d203a7ec RB |
64 | |
65 | MODULE_DESCRIPTION("SGI VINO Video4Linux2 driver"); | |
66 | MODULE_VERSION(VINO_MODULE_VERSION); | |
67 | MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>"); | |
68 | MODULE_LICENSE("GPL"); | |
69 | ||
d203a7ec RB |
70 | #ifdef VINO_DEBUG |
71 | #define dprintk(x...) printk("VINO: " x); | |
1da177e4 | 72 | #else |
d203a7ec | 73 | #define dprintk(x...) |
1da177e4 LT |
74 | #endif |
75 | ||
d203a7ec RB |
76 | #define VINO_NO_CHANNEL 0 |
77 | #define VINO_CHANNEL_A 1 | |
78 | #define VINO_CHANNEL_B 2 | |
79 | ||
80 | #define VINO_PAL_WIDTH 768 | |
81 | #define VINO_PAL_HEIGHT 576 | |
82 | #define VINO_NTSC_WIDTH 640 | |
83 | #define VINO_NTSC_HEIGHT 480 | |
84 | ||
85 | #define VINO_MIN_WIDTH 32 | |
86 | #define VINO_MIN_HEIGHT 32 | |
87 | ||
88 | #define VINO_CLIPPING_START_ODD_D1 1 | |
a637a114 LM |
89 | #define VINO_CLIPPING_START_ODD_PAL 15 |
90 | #define VINO_CLIPPING_START_ODD_NTSC 12 | |
d203a7ec RB |
91 | |
92 | #define VINO_CLIPPING_START_EVEN_D1 2 | |
a637a114 LM |
93 | #define VINO_CLIPPING_START_EVEN_PAL 15 |
94 | #define VINO_CLIPPING_START_EVEN_NTSC 12 | |
d203a7ec RB |
95 | |
96 | #define VINO_INPUT_CHANNEL_COUNT 3 | |
97 | ||
a637a114 | 98 | /* the number is the index for vino_inputs */ |
d203a7ec RB |
99 | #define VINO_INPUT_NONE -1 |
100 | #define VINO_INPUT_COMPOSITE 0 | |
101 | #define VINO_INPUT_SVIDEO 1 | |
102 | #define VINO_INPUT_D1 2 | |
103 | ||
104 | #define VINO_PAGE_RATIO (PAGE_SIZE / VINO_PAGE_SIZE) | |
105 | ||
a637a114 | 106 | #define VINO_FIFO_THRESHOLD_DEFAULT 16 |
d203a7ec | 107 | |
d203a7ec RB |
108 | #define VINO_FRAMEBUFFER_SIZE ((VINO_PAL_WIDTH \ |
109 | * VINO_PAL_HEIGHT * 4 \ | |
110 | + 3 * PAGE_SIZE) & ~(PAGE_SIZE - 1)) | |
111 | ||
a637a114 | 112 | #define VINO_FRAMEBUFFER_COUNT_MAX 8 |
d203a7ec RB |
113 | |
114 | #define VINO_FRAMEBUFFER_UNUSED 0 | |
115 | #define VINO_FRAMEBUFFER_IN_USE 1 | |
116 | #define VINO_FRAMEBUFFER_READY 2 | |
117 | ||
118 | #define VINO_QUEUE_ERROR -1 | |
119 | #define VINO_QUEUE_MAGIC 0x20050125 | |
120 | ||
121 | #define VINO_MEMORY_NONE 0 | |
122 | #define VINO_MEMORY_MMAP 1 | |
123 | #define VINO_MEMORY_USERPTR 2 | |
124 | ||
125 | #define VINO_DUMMY_DESC_COUNT 4 | |
126 | #define VINO_DESC_FETCH_DELAY 5 /* microseconds */ | |
127 | ||
a637a114 LM |
128 | #define VINO_MAX_FRAME_SKIP_COUNT 128 |
129 | ||
d203a7ec RB |
130 | /* the number is the index for vino_data_formats */ |
131 | #define VINO_DATA_FMT_NONE -1 | |
132 | #define VINO_DATA_FMT_GREY 0 | |
133 | #define VINO_DATA_FMT_RGB332 1 | |
134 | #define VINO_DATA_FMT_RGB32 2 | |
135 | #define VINO_DATA_FMT_YUV 3 | |
d203a7ec RB |
136 | |
137 | #define VINO_DATA_FMT_COUNT 4 | |
138 | ||
a637a114 | 139 | /* the number is the index for vino_data_norms */ |
d203a7ec RB |
140 | #define VINO_DATA_NORM_NONE -1 |
141 | #define VINO_DATA_NORM_NTSC 0 | |
142 | #define VINO_DATA_NORM_PAL 1 | |
143 | #define VINO_DATA_NORM_SECAM 2 | |
144 | #define VINO_DATA_NORM_D1 3 | |
d203a7ec RB |
145 | |
146 | #define VINO_DATA_NORM_COUNT 4 | |
147 | ||
cea0c681 JD |
148 | /* I2C controller flags */ |
149 | #define SGI_I2C_FORCE_IDLE (0 << 0) | |
150 | #define SGI_I2C_NOT_IDLE (1 << 0) | |
151 | #define SGI_I2C_WRITE (0 << 1) | |
152 | #define SGI_I2C_READ (1 << 1) | |
153 | #define SGI_I2C_RELEASE_BUS (0 << 2) | |
154 | #define SGI_I2C_HOLD_BUS (1 << 2) | |
155 | #define SGI_I2C_XFER_DONE (0 << 4) | |
156 | #define SGI_I2C_XFER_BUSY (1 << 4) | |
157 | #define SGI_I2C_ACK (0 << 5) | |
158 | #define SGI_I2C_NACK (1 << 5) | |
159 | #define SGI_I2C_BUS_OK (0 << 7) | |
160 | #define SGI_I2C_BUS_ERR (1 << 7) | |
161 | ||
d203a7ec RB |
162 | /* Internal data structure definitions */ |
163 | ||
164 | struct vino_input { | |
165 | char *name; | |
166 | v4l2_std_id std; | |
167 | }; | |
168 | ||
169 | struct vino_clipping { | |
170 | unsigned int left, right, top, bottom; | |
171 | }; | |
172 | ||
173 | struct vino_data_format { | |
174 | /* the description */ | |
175 | char *description; | |
176 | /* bytes per pixel */ | |
177 | unsigned int bpp; | |
178 | /* V4L2 fourcc code */ | |
179 | __u32 pixelformat; | |
180 | /* V4L2 colorspace (duh!) */ | |
181 | enum v4l2_colorspace colorspace; | |
182 | }; | |
183 | ||
184 | struct vino_data_norm { | |
185 | char *description; | |
186 | unsigned int width, height; | |
187 | struct vino_clipping odd; | |
188 | struct vino_clipping even; | |
189 | ||
190 | v4l2_std_id std; | |
191 | unsigned int fps_min, fps_max; | |
192 | __u32 framelines; | |
193 | }; | |
194 | ||
195 | struct vino_descriptor_table { | |
196 | /* the number of PAGE_SIZE sized pages in the buffer */ | |
197 | unsigned int page_count; | |
198 | /* virtual (kmalloc'd) pointers to the actual data | |
199 | * (in PAGE_SIZE chunks, used with mmap streaming) */ | |
200 | unsigned long *virtual; | |
201 | ||
202 | /* cpu address for the VINO descriptor table | |
203 | * (contains DMA addresses, VINO_PAGE_SIZE chunks) */ | |
204 | unsigned long *dma_cpu; | |
205 | /* dma address for the VINO descriptor table | |
206 | * (contains DMA addresses, VINO_PAGE_SIZE chunks) */ | |
207 | dma_addr_t dma; | |
208 | }; | |
209 | ||
210 | struct vino_framebuffer { | |
211 | /* identifier nubmer */ | |
212 | unsigned int id; | |
213 | /* the length of the whole buffer */ | |
214 | unsigned int size; | |
215 | /* the length of actual data in buffer */ | |
216 | unsigned int data_size; | |
217 | /* the data format */ | |
218 | unsigned int data_format; | |
219 | /* the state of buffer data */ | |
220 | unsigned int state; | |
221 | /* is the buffer mapped in user space? */ | |
222 | unsigned int map_count; | |
223 | /* memory offset for mmap() */ | |
224 | unsigned int offset; | |
225 | /* frame counter */ | |
226 | unsigned int frame_counter; | |
227 | /* timestamp (written when image capture finishes) */ | |
228 | struct timeval timestamp; | |
229 | ||
230 | struct vino_descriptor_table desc_table; | |
231 | ||
232 | spinlock_t state_lock; | |
233 | }; | |
234 | ||
235 | struct vino_framebuffer_fifo { | |
236 | unsigned int length; | |
237 | ||
238 | unsigned int used; | |
239 | unsigned int head; | |
240 | unsigned int tail; | |
241 | ||
a637a114 | 242 | unsigned int data[VINO_FRAMEBUFFER_COUNT_MAX]; |
d203a7ec RB |
243 | }; |
244 | ||
245 | struct vino_framebuffer_queue { | |
246 | unsigned int magic; | |
247 | ||
248 | /* VINO_MEMORY_NONE, VINO_MEMORY_MMAP or VINO_MEMORY_USERPTR */ | |
249 | unsigned int type; | |
250 | unsigned int length; | |
251 | ||
252 | /* data field of in and out contain index numbers for buffer */ | |
253 | struct vino_framebuffer_fifo in; | |
254 | struct vino_framebuffer_fifo out; | |
255 | ||
a637a114 | 256 | struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX]; |
1da177e4 | 257 | |
d203a7ec | 258 | spinlock_t queue_lock; |
3593cab5 | 259 | struct mutex queue_mutex; |
d203a7ec RB |
260 | wait_queue_head_t frame_wait_queue; |
261 | }; | |
262 | ||
a637a114 LM |
263 | struct vino_interrupt_data { |
264 | struct timeval timestamp; | |
265 | unsigned int frame_counter; | |
266 | unsigned int skip_count; | |
267 | unsigned int skip; | |
268 | }; | |
269 | ||
d203a7ec RB |
270 | struct vino_channel_settings { |
271 | unsigned int channel; | |
272 | ||
273 | int input; | |
274 | unsigned int data_format; | |
275 | unsigned int data_norm; | |
276 | struct vino_clipping clipping; | |
277 | unsigned int decimation; | |
278 | unsigned int line_size; | |
279 | unsigned int alpha; | |
280 | unsigned int fps; | |
281 | unsigned int framert_reg; | |
282 | ||
283 | unsigned int fifo_threshold; | |
284 | ||
285 | struct vino_framebuffer_queue fb_queue; | |
286 | ||
287 | /* number of the current field */ | |
288 | unsigned int field; | |
289 | ||
290 | /* read in progress */ | |
291 | int reading; | |
292 | /* streaming is active */ | |
293 | int streaming; | |
294 | /* the driver is currently processing the queue */ | |
295 | int capturing; | |
296 | ||
3593cab5 | 297 | struct mutex mutex; |
d203a7ec | 298 | spinlock_t capture_lock; |
1da177e4 | 299 | |
d203a7ec | 300 | unsigned int users; |
1da177e4 | 301 | |
a637a114 LM |
302 | struct vino_interrupt_data int_data; |
303 | ||
d203a7ec | 304 | /* V4L support */ |
0ef4dbad | 305 | struct video_device *vdev; |
1da177e4 LT |
306 | }; |
307 | ||
d203a7ec | 308 | struct vino_settings { |
28959638 | 309 | struct v4l2_device v4l2_dev; |
d203a7ec RB |
310 | struct vino_channel_settings a; |
311 | struct vino_channel_settings b; | |
1da177e4 | 312 | |
48f4dacb HV |
313 | /* the channel which owns this client: |
314 | * VINO_NO_CHANNEL, VINO_CHANNEL_A or VINO_CHANNEL_B */ | |
315 | unsigned int decoder_owner; | |
316 | struct v4l2_subdev *decoder; | |
317 | unsigned int camera_owner; | |
318 | struct v4l2_subdev *camera; | |
1da177e4 | 319 | |
d203a7ec RB |
320 | /* a lock for vino register access */ |
321 | spinlock_t vino_lock; | |
322 | /* a lock for channel input changes */ | |
323 | spinlock_t input_lock; | |
1da177e4 | 324 | |
1da177e4 | 325 | unsigned long dummy_page; |
d203a7ec RB |
326 | struct vino_descriptor_table dummy_desc_table; |
327 | }; | |
328 | ||
329 | /* Module parameters */ | |
330 | ||
331 | /* | |
a637a114 | 332 | * Using vino_pixel_conversion the ABGR32-format pixels supplied |
d203a7ec RB |
333 | * by the VINO chip can be converted to more common formats |
334 | * like RGBA32 (or probably RGB24 in the future). This way we | |
335 | * can give out data that can be specified correctly with | |
336 | * the V4L2-definitions. | |
337 | * | |
338 | * The pixel format is specified as RGBA32 when no conversion | |
339 | * is used. | |
340 | * | |
341 | * Note that this only affects the 32-bit bit depth. | |
342 | * | |
343 | * Use non-zero value to enable conversion. | |
344 | */ | |
ff699e6b | 345 | static int vino_pixel_conversion; |
a637a114 | 346 | |
d203a7ec | 347 | module_param_named(pixelconv, vino_pixel_conversion, int, 0); |
a637a114 | 348 | |
d203a7ec RB |
349 | MODULE_PARM_DESC(pixelconv, |
350 | "enable pixel conversion (non-zero value enables)"); | |
351 | ||
352 | /* Internal data structures */ | |
353 | ||
354 | static struct sgi_vino *vino; | |
355 | ||
356 | static struct vino_settings *vino_drvdata; | |
357 | ||
48f4dacb HV |
358 | #define camera_call(o, f, args...) \ |
359 | v4l2_subdev_call(vino_drvdata->camera, o, f, ##args) | |
360 | #define decoder_call(o, f, args...) \ | |
361 | v4l2_subdev_call(vino_drvdata->decoder, o, f, ##args) | |
362 | ||
d203a7ec RB |
363 | static const char *vino_driver_name = "vino"; |
364 | static const char *vino_driver_description = "SGI VINO"; | |
365 | static const char *vino_bus_name = "GIO64 bus"; | |
0ef4dbad HV |
366 | static const char *vino_vdev_name_a = "SGI VINO Channel A"; |
367 | static const char *vino_vdev_name_b = "SGI VINO Channel B"; | |
d203a7ec | 368 | |
a637a114 LM |
369 | static void vino_capture_tasklet(unsigned long channel); |
370 | ||
371 | DECLARE_TASKLET(vino_tasklet_a, vino_capture_tasklet, VINO_CHANNEL_A); | |
372 | DECLARE_TASKLET(vino_tasklet_b, vino_capture_tasklet, VINO_CHANNEL_B); | |
373 | ||
d203a7ec RB |
374 | static const struct vino_input vino_inputs[] = { |
375 | { | |
376 | .name = "Composite", | |
a637a114 LM |
377 | .std = V4L2_STD_NTSC | V4L2_STD_PAL |
378 | | V4L2_STD_SECAM, | |
cf4e9484 | 379 | }, { |
d203a7ec | 380 | .name = "S-Video", |
a637a114 LM |
381 | .std = V4L2_STD_NTSC | V4L2_STD_PAL |
382 | | V4L2_STD_SECAM, | |
cf4e9484 | 383 | }, { |
a637a114 | 384 | .name = "D1/IndyCam", |
d203a7ec RB |
385 | .std = V4L2_STD_NTSC, |
386 | } | |
387 | }; | |
388 | ||
389 | static const struct vino_data_format vino_data_formats[] = { | |
390 | { | |
391 | .description = "8-bit greyscale", | |
392 | .bpp = 1, | |
393 | .pixelformat = V4L2_PIX_FMT_GREY, | |
394 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
cf4e9484 | 395 | }, { |
d203a7ec RB |
396 | .description = "8-bit dithered RGB 3-3-2", |
397 | .bpp = 1, | |
398 | .pixelformat = V4L2_PIX_FMT_RGB332, | |
399 | .colorspace = V4L2_COLORSPACE_SRGB, | |
cf4e9484 | 400 | }, { |
d203a7ec RB |
401 | .description = "32-bit RGB", |
402 | .bpp = 4, | |
403 | .pixelformat = V4L2_PIX_FMT_RGB32, | |
404 | .colorspace = V4L2_COLORSPACE_SRGB, | |
cf4e9484 | 405 | }, { |
d203a7ec | 406 | .description = "YUV 4:2:2", |
a637a114 | 407 | .bpp = 2, |
d203a7ec RB |
408 | .pixelformat = V4L2_PIX_FMT_YUYV, // XXX: swapped? |
409 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
a637a114 | 410 | } |
d203a7ec RB |
411 | }; |
412 | ||
413 | static const struct vino_data_norm vino_data_norms[] = { | |
414 | { | |
415 | .description = "NTSC", | |
416 | .std = V4L2_STD_NTSC, | |
417 | .fps_min = 6, | |
418 | .fps_max = 30, | |
419 | .framelines = 525, | |
420 | .width = VINO_NTSC_WIDTH, | |
421 | .height = VINO_NTSC_HEIGHT, | |
422 | .odd = { | |
a637a114 LM |
423 | .top = VINO_CLIPPING_START_ODD_NTSC, |
424 | .left = 0, | |
d203a7ec RB |
425 | .bottom = VINO_CLIPPING_START_ODD_NTSC |
426 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 427 | .right = VINO_NTSC_WIDTH, |
d203a7ec RB |
428 | }, |
429 | .even = { | |
a637a114 LM |
430 | .top = VINO_CLIPPING_START_EVEN_NTSC, |
431 | .left = 0, | |
d203a7ec RB |
432 | .bottom = VINO_CLIPPING_START_EVEN_NTSC |
433 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 434 | .right = VINO_NTSC_WIDTH, |
d203a7ec | 435 | }, |
cf4e9484 | 436 | }, { |
d203a7ec RB |
437 | .description = "PAL", |
438 | .std = V4L2_STD_PAL, | |
439 | .fps_min = 5, | |
440 | .fps_max = 25, | |
441 | .framelines = 625, | |
442 | .width = VINO_PAL_WIDTH, | |
443 | .height = VINO_PAL_HEIGHT, | |
444 | .odd = { | |
a637a114 LM |
445 | .top = VINO_CLIPPING_START_ODD_PAL, |
446 | .left = 0, | |
d203a7ec RB |
447 | .bottom = VINO_CLIPPING_START_ODD_PAL |
448 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 449 | .right = VINO_PAL_WIDTH, |
d203a7ec RB |
450 | }, |
451 | .even = { | |
a637a114 LM |
452 | .top = VINO_CLIPPING_START_EVEN_PAL, |
453 | .left = 0, | |
d203a7ec RB |
454 | .bottom = VINO_CLIPPING_START_EVEN_PAL |
455 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 456 | .right = VINO_PAL_WIDTH, |
d203a7ec | 457 | }, |
cf4e9484 | 458 | }, { |
d203a7ec RB |
459 | .description = "SECAM", |
460 | .std = V4L2_STD_SECAM, | |
461 | .fps_min = 5, | |
462 | .fps_max = 25, | |
463 | .framelines = 625, | |
464 | .width = VINO_PAL_WIDTH, | |
465 | .height = VINO_PAL_HEIGHT, | |
466 | .odd = { | |
a637a114 LM |
467 | .top = VINO_CLIPPING_START_ODD_PAL, |
468 | .left = 0, | |
d203a7ec RB |
469 | .bottom = VINO_CLIPPING_START_ODD_PAL |
470 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 471 | .right = VINO_PAL_WIDTH, |
d203a7ec RB |
472 | }, |
473 | .even = { | |
a637a114 LM |
474 | .top = VINO_CLIPPING_START_EVEN_PAL, |
475 | .left = 0, | |
d203a7ec RB |
476 | .bottom = VINO_CLIPPING_START_EVEN_PAL |
477 | + VINO_PAL_HEIGHT / 2 - 1, | |
a637a114 | 478 | .right = VINO_PAL_WIDTH, |
d203a7ec | 479 | }, |
cf4e9484 | 480 | }, { |
a637a114 | 481 | .description = "NTSC/D1", |
d203a7ec RB |
482 | .std = V4L2_STD_NTSC, |
483 | .fps_min = 6, | |
484 | .fps_max = 30, | |
485 | .framelines = 525, | |
486 | .width = VINO_NTSC_WIDTH, | |
487 | .height = VINO_NTSC_HEIGHT, | |
488 | .odd = { | |
a637a114 LM |
489 | .top = VINO_CLIPPING_START_ODD_D1, |
490 | .left = 0, | |
d203a7ec RB |
491 | .bottom = VINO_CLIPPING_START_ODD_D1 |
492 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 493 | .right = VINO_NTSC_WIDTH, |
d203a7ec RB |
494 | }, |
495 | .even = { | |
a637a114 LM |
496 | .top = VINO_CLIPPING_START_EVEN_D1, |
497 | .left = 0, | |
d203a7ec RB |
498 | .bottom = VINO_CLIPPING_START_EVEN_D1 |
499 | + VINO_NTSC_HEIGHT / 2 - 1, | |
a637a114 | 500 | .right = VINO_NTSC_WIDTH, |
d203a7ec RB |
501 | }, |
502 | } | |
503 | }; | |
504 | ||
505 | #define VINO_INDYCAM_V4L2_CONTROL_COUNT 9 | |
506 | ||
507 | struct v4l2_queryctrl vino_indycam_v4l2_controls[] = { | |
508 | { | |
509 | .id = V4L2_CID_AUTOGAIN, | |
510 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
511 | .name = "Automatic Gain Control", | |
512 | .minimum = 0, | |
513 | .maximum = 1, | |
514 | .step = 1, | |
515 | .default_value = INDYCAM_AGC_DEFAULT, | |
cf4e9484 | 516 | }, { |
d203a7ec RB |
517 | .id = V4L2_CID_AUTO_WHITE_BALANCE, |
518 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
519 | .name = "Automatic White Balance", | |
520 | .minimum = 0, | |
521 | .maximum = 1, | |
522 | .step = 1, | |
523 | .default_value = INDYCAM_AWB_DEFAULT, | |
cf4e9484 | 524 | }, { |
d203a7ec RB |
525 | .id = V4L2_CID_GAIN, |
526 | .type = V4L2_CTRL_TYPE_INTEGER, | |
527 | .name = "Gain", | |
528 | .minimum = INDYCAM_GAIN_MIN, | |
529 | .maximum = INDYCAM_GAIN_MAX, | |
530 | .step = 1, | |
531 | .default_value = INDYCAM_GAIN_DEFAULT, | |
cf4e9484 HV |
532 | }, { |
533 | .id = INDYCAM_CONTROL_RED_SATURATION, | |
d203a7ec RB |
534 | .type = V4L2_CTRL_TYPE_INTEGER, |
535 | .name = "Red Saturation", | |
536 | .minimum = INDYCAM_RED_SATURATION_MIN, | |
537 | .maximum = INDYCAM_RED_SATURATION_MAX, | |
538 | .step = 1, | |
539 | .default_value = INDYCAM_RED_SATURATION_DEFAULT, | |
cf4e9484 HV |
540 | }, { |
541 | .id = INDYCAM_CONTROL_BLUE_SATURATION, | |
d203a7ec RB |
542 | .type = V4L2_CTRL_TYPE_INTEGER, |
543 | .name = "Blue Saturation", | |
544 | .minimum = INDYCAM_BLUE_SATURATION_MIN, | |
545 | .maximum = INDYCAM_BLUE_SATURATION_MAX, | |
546 | .step = 1, | |
547 | .default_value = INDYCAM_BLUE_SATURATION_DEFAULT, | |
cf4e9484 | 548 | }, { |
d203a7ec RB |
549 | .id = V4L2_CID_RED_BALANCE, |
550 | .type = V4L2_CTRL_TYPE_INTEGER, | |
551 | .name = "Red Balance", | |
552 | .minimum = INDYCAM_RED_BALANCE_MIN, | |
553 | .maximum = INDYCAM_RED_BALANCE_MAX, | |
554 | .step = 1, | |
555 | .default_value = INDYCAM_RED_BALANCE_DEFAULT, | |
cf4e9484 | 556 | }, { |
d203a7ec RB |
557 | .id = V4L2_CID_BLUE_BALANCE, |
558 | .type = V4L2_CTRL_TYPE_INTEGER, | |
559 | .name = "Blue Balance", | |
560 | .minimum = INDYCAM_BLUE_BALANCE_MIN, | |
561 | .maximum = INDYCAM_BLUE_BALANCE_MAX, | |
562 | .step = 1, | |
563 | .default_value = INDYCAM_BLUE_BALANCE_DEFAULT, | |
cf4e9484 | 564 | }, { |
d203a7ec RB |
565 | .id = V4L2_CID_EXPOSURE, |
566 | .type = V4L2_CTRL_TYPE_INTEGER, | |
567 | .name = "Shutter Control", | |
568 | .minimum = INDYCAM_SHUTTER_MIN, | |
569 | .maximum = INDYCAM_SHUTTER_MAX, | |
570 | .step = 1, | |
571 | .default_value = INDYCAM_SHUTTER_DEFAULT, | |
cf4e9484 | 572 | }, { |
d203a7ec RB |
573 | .id = V4L2_CID_GAMMA, |
574 | .type = V4L2_CTRL_TYPE_INTEGER, | |
575 | .name = "Gamma", | |
576 | .minimum = INDYCAM_GAMMA_MIN, | |
577 | .maximum = INDYCAM_GAMMA_MAX, | |
578 | .step = 1, | |
579 | .default_value = INDYCAM_GAMMA_DEFAULT, | |
d203a7ec RB |
580 | } |
581 | }; | |
582 | ||
a637a114 | 583 | #define VINO_SAA7191_V4L2_CONTROL_COUNT 9 |
d203a7ec RB |
584 | |
585 | struct v4l2_queryctrl vino_saa7191_v4l2_controls[] = { | |
586 | { | |
587 | .id = V4L2_CID_HUE, | |
588 | .type = V4L2_CTRL_TYPE_INTEGER, | |
589 | .name = "Hue", | |
590 | .minimum = SAA7191_HUE_MIN, | |
591 | .maximum = SAA7191_HUE_MAX, | |
592 | .step = 1, | |
593 | .default_value = SAA7191_HUE_DEFAULT, | |
cf4e9484 HV |
594 | }, { |
595 | .id = SAA7191_CONTROL_BANDPASS, | |
a637a114 LM |
596 | .type = V4L2_CTRL_TYPE_INTEGER, |
597 | .name = "Luminance Bandpass", | |
598 | .minimum = SAA7191_BANDPASS_MIN, | |
599 | .maximum = SAA7191_BANDPASS_MAX, | |
600 | .step = 1, | |
601 | .default_value = SAA7191_BANDPASS_DEFAULT, | |
cf4e9484 HV |
602 | }, { |
603 | .id = SAA7191_CONTROL_BANDPASS_WEIGHT, | |
a637a114 LM |
604 | .type = V4L2_CTRL_TYPE_INTEGER, |
605 | .name = "Luminance Bandpass Weight", | |
606 | .minimum = SAA7191_BANDPASS_WEIGHT_MIN, | |
607 | .maximum = SAA7191_BANDPASS_WEIGHT_MAX, | |
608 | .step = 1, | |
609 | .default_value = SAA7191_BANDPASS_WEIGHT_DEFAULT, | |
cf4e9484 HV |
610 | }, { |
611 | .id = SAA7191_CONTROL_CORING, | |
a637a114 LM |
612 | .type = V4L2_CTRL_TYPE_INTEGER, |
613 | .name = "HF Luminance Coring", | |
614 | .minimum = SAA7191_CORING_MIN, | |
615 | .maximum = SAA7191_CORING_MAX, | |
616 | .step = 1, | |
617 | .default_value = SAA7191_CORING_DEFAULT, | |
cf4e9484 HV |
618 | }, { |
619 | .id = SAA7191_CONTROL_FORCE_COLOUR, | |
a637a114 LM |
620 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
621 | .name = "Force Colour", | |
622 | .minimum = SAA7191_FORCE_COLOUR_MIN, | |
623 | .maximum = SAA7191_FORCE_COLOUR_MAX, | |
624 | .step = 1, | |
625 | .default_value = SAA7191_FORCE_COLOUR_DEFAULT, | |
cf4e9484 HV |
626 | }, { |
627 | .id = SAA7191_CONTROL_CHROMA_GAIN, | |
a637a114 LM |
628 | .type = V4L2_CTRL_TYPE_INTEGER, |
629 | .name = "Chrominance Gain Control", | |
630 | .minimum = SAA7191_CHROMA_GAIN_MIN, | |
631 | .maximum = SAA7191_CHROMA_GAIN_MAX, | |
632 | .step = 1, | |
633 | .default_value = SAA7191_CHROMA_GAIN_DEFAULT, | |
cf4e9484 HV |
634 | }, { |
635 | .id = SAA7191_CONTROL_VTRC, | |
d203a7ec RB |
636 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
637 | .name = "VTR Time Constant", | |
638 | .minimum = SAA7191_VTRC_MIN, | |
639 | .maximum = SAA7191_VTRC_MAX, | |
640 | .step = 1, | |
641 | .default_value = SAA7191_VTRC_DEFAULT, | |
cf4e9484 HV |
642 | }, { |
643 | .id = SAA7191_CONTROL_LUMA_DELAY, | |
a637a114 LM |
644 | .type = V4L2_CTRL_TYPE_INTEGER, |
645 | .name = "Luminance Delay Compensation", | |
646 | .minimum = SAA7191_LUMA_DELAY_MIN, | |
647 | .maximum = SAA7191_LUMA_DELAY_MAX, | |
648 | .step = 1, | |
649 | .default_value = SAA7191_LUMA_DELAY_DEFAULT, | |
cf4e9484 HV |
650 | }, { |
651 | .id = SAA7191_CONTROL_VNR, | |
a637a114 LM |
652 | .type = V4L2_CTRL_TYPE_INTEGER, |
653 | .name = "Vertical Noise Reduction", | |
654 | .minimum = SAA7191_VNR_MIN, | |
655 | .maximum = SAA7191_VNR_MAX, | |
656 | .step = 1, | |
657 | .default_value = SAA7191_VNR_DEFAULT, | |
d203a7ec | 658 | } |
1da177e4 LT |
659 | }; |
660 | ||
d203a7ec RB |
661 | /* VINO framebuffer/DMA descriptor management */ |
662 | ||
663 | static void vino_free_buffer_with_count(struct vino_framebuffer *fb, | |
664 | unsigned int count) | |
1da177e4 | 665 | { |
d203a7ec | 666 | unsigned int i; |
1da177e4 | 667 | |
d203a7ec RB |
668 | dprintk("vino_free_buffer_with_count(): count = %d\n", count); |
669 | ||
670 | for (i = 0; i < count; i++) { | |
eda9e4e2 | 671 | ClearPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
d203a7ec RB |
672 | dma_unmap_single(NULL, |
673 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], | |
674 | PAGE_SIZE, DMA_FROM_DEVICE); | |
675 | free_page(fb->desc_table.virtual[i]); | |
676 | } | |
677 | ||
678 | dma_free_coherent(NULL, | |
679 | VINO_PAGE_RATIO * (fb->desc_table.page_count + 4) * | |
680 | sizeof(dma_addr_t), (void *)fb->desc_table.dma_cpu, | |
681 | fb->desc_table.dma); | |
682 | kfree(fb->desc_table.virtual); | |
683 | ||
684 | memset(fb, 0, sizeof(struct vino_framebuffer)); | |
685 | } | |
686 | ||
687 | static void vino_free_buffer(struct vino_framebuffer *fb) | |
688 | { | |
689 | vino_free_buffer_with_count(fb, fb->desc_table.page_count); | |
1da177e4 LT |
690 | } |
691 | ||
d203a7ec RB |
692 | static int vino_allocate_buffer(struct vino_framebuffer *fb, |
693 | unsigned int size) | |
1da177e4 | 694 | { |
d203a7ec RB |
695 | unsigned int count, i, j; |
696 | int ret = 0; | |
697 | ||
698 | dprintk("vino_allocate_buffer():\n"); | |
699 | ||
700 | if (size < 1) | |
701 | return -EINVAL; | |
702 | ||
703 | memset(fb, 0, sizeof(struct vino_framebuffer)); | |
704 | ||
705 | count = ((size / PAGE_SIZE) + 4) & ~3; | |
706 | ||
707 | dprintk("vino_allocate_buffer(): size = %d, count = %d\n", | |
708 | size, count); | |
709 | ||
710 | /* allocate memory for table with virtual (page) addresses */ | |
82c80f83 | 711 | fb->desc_table.virtual = |
d203a7ec RB |
712 | kmalloc(count * sizeof(unsigned long), GFP_KERNEL); |
713 | if (!fb->desc_table.virtual) | |
714 | return -ENOMEM; | |
715 | ||
716 | /* allocate memory for table with dma addresses | |
717 | * (has space for four extra descriptors) */ | |
718 | fb->desc_table.dma_cpu = | |
719 | dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) * | |
720 | sizeof(dma_addr_t), &fb->desc_table.dma, | |
721 | GFP_KERNEL | GFP_DMA); | |
722 | if (!fb->desc_table.dma_cpu) { | |
723 | ret = -ENOMEM; | |
724 | goto out_free_virtual; | |
725 | } | |
726 | ||
727 | /* allocate pages for the buffer and acquire the according | |
728 | * dma addresses */ | |
729 | for (i = 0; i < count; i++) { | |
730 | dma_addr_t dma_data_addr; | |
731 | ||
732 | fb->desc_table.virtual[i] = | |
733 | get_zeroed_page(GFP_KERNEL | GFP_DMA); | |
734 | if (!fb->desc_table.virtual[i]) { | |
735 | ret = -ENOBUFS; | |
736 | break; | |
737 | } | |
738 | ||
739 | dma_data_addr = | |
740 | dma_map_single(NULL, | |
741 | (void *)fb->desc_table.virtual[i], | |
742 | PAGE_SIZE, DMA_FROM_DEVICE); | |
743 | ||
744 | for (j = 0; j < VINO_PAGE_RATIO; j++) { | |
745 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] = | |
746 | dma_data_addr + VINO_PAGE_SIZE * j; | |
747 | } | |
748 | ||
eda9e4e2 | 749 | SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
d203a7ec RB |
750 | } |
751 | ||
752 | /* page_count needs to be set anyway, because the descriptor table has | |
753 | * been allocated according to this number */ | |
754 | fb->desc_table.page_count = count; | |
755 | ||
756 | if (ret) { | |
757 | /* the descriptor with index i doesn't contain | |
758 | * a valid address yet */ | |
759 | vino_free_buffer_with_count(fb, i); | |
760 | return ret; | |
761 | } | |
762 | ||
763 | //fb->size = size; | |
764 | fb->size = count * PAGE_SIZE; | |
765 | fb->data_format = VINO_DATA_FMT_NONE; | |
766 | ||
767 | /* set the dma stop-bit for the last (count+1)th descriptor */ | |
768 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP; | |
769 | return 0; | |
770 | ||
771 | out_free_virtual: | |
772 | kfree(fb->desc_table.virtual); | |
773 | return ret; | |
1da177e4 LT |
774 | } |
775 | ||
d203a7ec RB |
776 | #if 0 |
777 | /* user buffers not fully implemented yet */ | |
778 | static int vino_prepare_user_buffer(struct vino_framebuffer *fb, | |
779 | void *user, | |
780 | unsigned int size) | |
1da177e4 | 781 | { |
d203a7ec RB |
782 | unsigned int count, i, j; |
783 | int ret = 0; | |
784 | ||
785 | dprintk("vino_prepare_user_buffer():\n"); | |
786 | ||
787 | if (size < 1) | |
788 | return -EINVAL; | |
789 | ||
790 | memset(fb, 0, sizeof(struct vino_framebuffer)); | |
791 | ||
792 | count = ((size / PAGE_SIZE)) & ~3; | |
793 | ||
794 | dprintk("vino_prepare_user_buffer(): size = %d, count = %d\n", | |
795 | size, count); | |
796 | ||
797 | /* allocate memory for table with virtual (page) addresses */ | |
798 | fb->desc_table.virtual = (unsigned long *) | |
799 | kmalloc(count * sizeof(unsigned long), GFP_KERNEL); | |
800 | if (!fb->desc_table.virtual) | |
801 | return -ENOMEM; | |
802 | ||
803 | /* allocate memory for table with dma addresses | |
804 | * (has space for four extra descriptors) */ | |
805 | fb->desc_table.dma_cpu = | |
806 | dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) * | |
807 | sizeof(dma_addr_t), &fb->desc_table.dma, | |
808 | GFP_KERNEL | GFP_DMA); | |
809 | if (!fb->desc_table.dma_cpu) { | |
810 | ret = -ENOMEM; | |
811 | goto out_free_virtual; | |
812 | } | |
813 | ||
814 | /* allocate pages for the buffer and acquire the according | |
815 | * dma addresses */ | |
816 | for (i = 0; i < count; i++) { | |
817 | dma_addr_t dma_data_addr; | |
818 | ||
819 | fb->desc_table.virtual[i] = | |
820 | get_zeroed_page(GFP_KERNEL | GFP_DMA); | |
821 | if (!fb->desc_table.virtual[i]) { | |
822 | ret = -ENOBUFS; | |
823 | break; | |
824 | } | |
825 | ||
826 | dma_data_addr = | |
827 | dma_map_single(NULL, | |
828 | (void *)fb->desc_table.virtual[i], | |
829 | PAGE_SIZE, DMA_FROM_DEVICE); | |
830 | ||
831 | for (j = 0; j < VINO_PAGE_RATIO; j++) { | |
832 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] = | |
833 | dma_data_addr + VINO_PAGE_SIZE * j; | |
834 | } | |
835 | ||
eda9e4e2 | 836 | SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
d203a7ec | 837 | } |
1da177e4 | 838 | |
d203a7ec RB |
839 | /* page_count needs to be set anyway, because the descriptor table has |
840 | * been allocated according to this number */ | |
841 | fb->desc_table.page_count = count; | |
842 | ||
843 | if (ret) { | |
844 | /* the descriptor with index i doesn't contain | |
845 | * a valid address yet */ | |
846 | vino_free_buffer_with_count(fb, i); | |
847 | return ret; | |
848 | } | |
849 | ||
850 | //fb->size = size; | |
851 | fb->size = count * PAGE_SIZE; | |
852 | ||
853 | /* set the dma stop-bit for the last (count+1)th descriptor */ | |
854 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP; | |
855 | return 0; | |
856 | ||
857 | out_free_virtual: | |
858 | kfree(fb->desc_table.virtual); | |
859 | return ret; | |
1da177e4 | 860 | } |
d203a7ec | 861 | #endif |
1da177e4 | 862 | |
d203a7ec | 863 | static void vino_sync_buffer(struct vino_framebuffer *fb) |
1da177e4 | 864 | { |
d203a7ec RB |
865 | int i; |
866 | ||
867 | dprintk("vino_sync_buffer():\n"); | |
1da177e4 | 868 | |
d203a7ec | 869 | for (i = 0; i < fb->desc_table.page_count; i++) |
028bbfed FT |
870 | dma_sync_single_for_cpu(NULL, |
871 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], | |
872 | PAGE_SIZE, DMA_FROM_DEVICE); | |
1da177e4 LT |
873 | } |
874 | ||
d203a7ec | 875 | /* Framebuffer fifo functions (need to be locked externally) */ |
1da177e4 | 876 | |
a637a114 | 877 | static inline void vino_fifo_init(struct vino_framebuffer_fifo *f, |
d203a7ec | 878 | unsigned int length) |
1da177e4 | 879 | { |
d203a7ec RB |
880 | f->length = 0; |
881 | f->used = 0; | |
882 | f->head = 0; | |
883 | f->tail = 0; | |
1da177e4 | 884 | |
a637a114 LM |
885 | if (length > VINO_FRAMEBUFFER_COUNT_MAX) |
886 | length = VINO_FRAMEBUFFER_COUNT_MAX; | |
1da177e4 | 887 | |
d203a7ec RB |
888 | f->length = length; |
889 | } | |
890 | ||
891 | /* returns true/false */ | |
a637a114 LM |
892 | static inline int vino_fifo_has_id(struct vino_framebuffer_fifo *f, |
893 | unsigned int id) | |
d203a7ec RB |
894 | { |
895 | unsigned int i; | |
a637a114 | 896 | |
d203a7ec RB |
897 | for (i = f->head; i == (f->tail - 1); i = (i + 1) % f->length) { |
898 | if (f->data[i] == id) | |
899 | return 1; | |
1da177e4 LT |
900 | } |
901 | ||
d203a7ec RB |
902 | return 0; |
903 | } | |
1da177e4 | 904 | |
a637a114 | 905 | #if 0 |
d203a7ec | 906 | /* returns true/false */ |
a637a114 | 907 | static inline int vino_fifo_full(struct vino_framebuffer_fifo *f) |
d203a7ec RB |
908 | { |
909 | return (f->used == f->length); | |
910 | } | |
a637a114 | 911 | #endif |
d203a7ec | 912 | |
a637a114 | 913 | static inline unsigned int vino_fifo_get_used(struct vino_framebuffer_fifo *f) |
d203a7ec RB |
914 | { |
915 | return f->used; | |
916 | } | |
917 | ||
918 | static int vino_fifo_enqueue(struct vino_framebuffer_fifo *f, unsigned int id) | |
919 | { | |
920 | if (id >= f->length) { | |
921 | return VINO_QUEUE_ERROR; | |
1da177e4 | 922 | } |
d203a7ec RB |
923 | |
924 | if (vino_fifo_has_id(f, id)) { | |
925 | return VINO_QUEUE_ERROR; | |
1da177e4 | 926 | } |
1da177e4 | 927 | |
d203a7ec RB |
928 | if (f->used < f->length) { |
929 | f->data[f->tail] = id; | |
930 | f->tail = (f->tail + 1) % f->length; | |
931 | f->used++; | |
932 | } else { | |
933 | return VINO_QUEUE_ERROR; | |
1da177e4 LT |
934 | } |
935 | ||
d203a7ec RB |
936 | return 0; |
937 | } | |
938 | ||
939 | static int vino_fifo_peek(struct vino_framebuffer_fifo *f, unsigned int *id) | |
940 | { | |
941 | if (f->used > 0) { | |
942 | *id = f->data[f->head]; | |
943 | } else { | |
944 | return VINO_QUEUE_ERROR; | |
1da177e4 | 945 | } |
1da177e4 | 946 | |
d203a7ec RB |
947 | return 0; |
948 | } | |
949 | ||
950 | static int vino_fifo_dequeue(struct vino_framebuffer_fifo *f, unsigned int *id) | |
951 | { | |
952 | if (f->used > 0) { | |
953 | *id = f->data[f->head]; | |
954 | f->head = (f->head + 1) % f->length; | |
955 | f->used--; | |
956 | } else { | |
957 | return VINO_QUEUE_ERROR; | |
958 | } | |
959 | ||
960 | return 0; | |
961 | } | |
1da177e4 | 962 | |
d203a7ec | 963 | /* Framebuffer queue functions */ |
1da177e4 | 964 | |
d203a7ec RB |
965 | /* execute with queue_lock locked */ |
966 | static void vino_queue_free_with_count(struct vino_framebuffer_queue *q, | |
967 | unsigned int length) | |
968 | { | |
969 | unsigned int i; | |
970 | ||
971 | q->length = 0; | |
972 | memset(&q->in, 0, sizeof(struct vino_framebuffer_fifo)); | |
973 | memset(&q->out, 0, sizeof(struct vino_framebuffer_fifo)); | |
974 | for (i = 0; i < length; i++) { | |
975 | dprintk("vino_queue_free_with_count(): freeing buffer %d\n", | |
976 | i); | |
977 | vino_free_buffer(q->buffer[i]); | |
978 | kfree(q->buffer[i]); | |
1da177e4 LT |
979 | } |
980 | ||
d203a7ec RB |
981 | q->type = VINO_MEMORY_NONE; |
982 | q->magic = 0; | |
983 | } | |
984 | ||
985 | static void vino_queue_free(struct vino_framebuffer_queue *q) | |
986 | { | |
987 | dprintk("vino_queue_free():\n"); | |
988 | ||
989 | if (q->magic != VINO_QUEUE_MAGIC) | |
990 | return; | |
991 | if (q->type != VINO_MEMORY_MMAP) | |
992 | return; | |
993 | ||
3593cab5 | 994 | mutex_lock(&q->queue_mutex); |
d203a7ec RB |
995 | |
996 | vino_queue_free_with_count(q, q->length); | |
997 | ||
3593cab5 | 998 | mutex_unlock(&q->queue_mutex); |
d203a7ec RB |
999 | } |
1000 | ||
1001 | static int vino_queue_init(struct vino_framebuffer_queue *q, | |
1002 | unsigned int *length) | |
1003 | { | |
1004 | unsigned int i; | |
1005 | int ret = 0; | |
1006 | ||
1007 | dprintk("vino_queue_init(): length = %d\n", *length); | |
1008 | ||
1009 | if (q->magic == VINO_QUEUE_MAGIC) { | |
1010 | dprintk("vino_queue_init(): queue already initialized!\n"); | |
1011 | return -EINVAL; | |
1da177e4 LT |
1012 | } |
1013 | ||
d203a7ec RB |
1014 | if (q->type != VINO_MEMORY_NONE) { |
1015 | dprintk("vino_queue_init(): queue already initialized!\n"); | |
1016 | return -EINVAL; | |
1da177e4 | 1017 | } |
d203a7ec RB |
1018 | |
1019 | if (*length < 1) | |
1020 | return -EINVAL; | |
1021 | ||
3593cab5 | 1022 | mutex_lock(&q->queue_mutex); |
d203a7ec | 1023 | |
a637a114 LM |
1024 | if (*length > VINO_FRAMEBUFFER_COUNT_MAX) |
1025 | *length = VINO_FRAMEBUFFER_COUNT_MAX; | |
d203a7ec RB |
1026 | |
1027 | q->length = 0; | |
1028 | ||
1029 | for (i = 0; i < *length; i++) { | |
1030 | dprintk("vino_queue_init(): allocating buffer %d\n", i); | |
1031 | q->buffer[i] = kmalloc(sizeof(struct vino_framebuffer), | |
1032 | GFP_KERNEL); | |
1033 | if (!q->buffer[i]) { | |
1034 | dprintk("vino_queue_init(): kmalloc() failed\n"); | |
1035 | ret = -ENOMEM; | |
1036 | break; | |
1037 | } | |
1038 | ||
1039 | ret = vino_allocate_buffer(q->buffer[i], | |
1040 | VINO_FRAMEBUFFER_SIZE); | |
1041 | if (ret) { | |
1042 | kfree(q->buffer[i]); | |
1043 | dprintk("vino_queue_init(): " | |
1044 | "vino_allocate_buffer() failed\n"); | |
1045 | break; | |
1046 | } | |
1047 | ||
1048 | q->buffer[i]->id = i; | |
1049 | if (i > 0) { | |
1050 | q->buffer[i]->offset = q->buffer[i - 1]->offset + | |
1051 | q->buffer[i - 1]->size; | |
1052 | } else { | |
1053 | q->buffer[i]->offset = 0; | |
1054 | } | |
1055 | ||
1056 | spin_lock_init(&q->buffer[i]->state_lock); | |
1057 | ||
1058 | dprintk("vino_queue_init(): buffer = %d, offset = %d, " | |
1059 | "size = %d\n", i, q->buffer[i]->offset, | |
1060 | q->buffer[i]->size); | |
1da177e4 LT |
1061 | } |
1062 | ||
d203a7ec RB |
1063 | if (ret) { |
1064 | vino_queue_free_with_count(q, i); | |
1065 | *length = 0; | |
1066 | } else { | |
1067 | q->length = *length; | |
1068 | vino_fifo_init(&q->in, q->length); | |
1069 | vino_fifo_init(&q->out, q->length); | |
1070 | q->type = VINO_MEMORY_MMAP; | |
1071 | q->magic = VINO_QUEUE_MAGIC; | |
1072 | } | |
1da177e4 | 1073 | |
3593cab5 | 1074 | mutex_unlock(&q->queue_mutex); |
1da177e4 LT |
1075 | |
1076 | return ret; | |
1077 | } | |
1078 | ||
d203a7ec RB |
1079 | static struct vino_framebuffer *vino_queue_add(struct |
1080 | vino_framebuffer_queue *q, | |
1081 | unsigned int id) | |
1da177e4 | 1082 | { |
d203a7ec RB |
1083 | struct vino_framebuffer *ret = NULL; |
1084 | unsigned int total; | |
1085 | unsigned long flags; | |
1086 | ||
1087 | dprintk("vino_queue_add(): id = %d\n", id); | |
1088 | ||
1089 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1090 | return ret; | |
1091 | } | |
1092 | ||
1093 | spin_lock_irqsave(&q->queue_lock, flags); | |
1094 | ||
1095 | if (q->length == 0) | |
1096 | goto out; | |
1097 | ||
1098 | if (id >= q->length) | |
1099 | goto out; | |
1100 | ||
1101 | /* not needed?: if (vino_fifo_full(&q->out)) { | |
1102 | goto out; | |
1103 | }*/ | |
1104 | /* check that outgoing queue isn't already full | |
1105 | * (or that it won't become full) */ | |
1106 | total = vino_fifo_get_used(&q->in) + | |
1107 | vino_fifo_get_used(&q->out); | |
1108 | if (total >= q->length) | |
1109 | goto out; | |
1110 | ||
1111 | if (vino_fifo_enqueue(&q->in, id)) | |
1112 | goto out; | |
1113 | ||
1114 | ret = q->buffer[id]; | |
1115 | ||
1116 | out: | |
1117 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1118 | ||
1119 | return ret; | |
1da177e4 LT |
1120 | } |
1121 | ||
d203a7ec RB |
1122 | static struct vino_framebuffer *vino_queue_transfer(struct |
1123 | vino_framebuffer_queue *q) | |
1124 | { | |
1125 | struct vino_framebuffer *ret = NULL; | |
1126 | struct vino_framebuffer *fb; | |
1127 | int id; | |
1128 | unsigned long flags; | |
1da177e4 | 1129 | |
d203a7ec RB |
1130 | dprintk("vino_queue_transfer():\n"); |
1131 | ||
1132 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1133 | return ret; | |
1134 | } | |
1135 | ||
1136 | spin_lock_irqsave(&q->queue_lock, flags); | |
1137 | ||
1138 | if (q->length == 0) | |
1139 | goto out; | |
1140 | ||
1141 | // now this actually removes an entry from the incoming queue | |
1142 | if (vino_fifo_dequeue(&q->in, &id)) { | |
1143 | goto out; | |
1144 | } | |
1145 | ||
1146 | dprintk("vino_queue_transfer(): id = %d\n", id); | |
1147 | fb = q->buffer[id]; | |
1148 | ||
1149 | // we have already checked that the outgoing queue is not full, but... | |
1150 | if (vino_fifo_enqueue(&q->out, id)) { | |
1151 | printk(KERN_ERR "vino_queue_transfer(): " | |
1152 | "outgoing queue is full, this shouldn't happen!\n"); | |
1153 | goto out; | |
1154 | } | |
1155 | ||
1156 | ret = fb; | |
1157 | out: | |
1158 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1159 | ||
1160 | return ret; | |
1161 | } | |
1162 | ||
1163 | /* returns true/false */ | |
1164 | static int vino_queue_incoming_contains(struct vino_framebuffer_queue *q, | |
1165 | unsigned int id) | |
1166 | { | |
1167 | int ret = 0; | |
1168 | unsigned long flags; | |
1169 | ||
1170 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1171 | return ret; | |
1172 | } | |
1173 | ||
1174 | spin_lock_irqsave(&q->queue_lock, flags); | |
1175 | ||
1176 | if (q->length == 0) | |
1177 | goto out; | |
1178 | ||
1179 | ret = vino_fifo_has_id(&q->in, id); | |
1180 | ||
1181 | out: | |
1182 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1183 | ||
1184 | return ret; | |
1185 | } | |
1186 | ||
1187 | /* returns true/false */ | |
1188 | static int vino_queue_outgoing_contains(struct vino_framebuffer_queue *q, | |
1189 | unsigned int id) | |
1190 | { | |
1191 | int ret = 0; | |
1192 | unsigned long flags; | |
1193 | ||
1194 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1195 | return ret; | |
1196 | } | |
1197 | ||
1198 | spin_lock_irqsave(&q->queue_lock, flags); | |
1199 | ||
1200 | if (q->length == 0) | |
1201 | goto out; | |
1202 | ||
1203 | ret = vino_fifo_has_id(&q->out, id); | |
1204 | ||
1205 | out: | |
1206 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1207 | ||
1208 | return ret; | |
1209 | } | |
1210 | ||
1211 | static int vino_queue_get_incoming(struct vino_framebuffer_queue *q, | |
1212 | unsigned int *used) | |
1213 | { | |
1214 | int ret = 0; | |
1215 | unsigned long flags; | |
1216 | ||
1217 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1218 | return VINO_QUEUE_ERROR; | |
1219 | } | |
1220 | ||
1221 | spin_lock_irqsave(&q->queue_lock, flags); | |
1222 | ||
1223 | if (q->length == 0) { | |
1224 | ret = VINO_QUEUE_ERROR; | |
1225 | goto out; | |
1226 | } | |
1227 | ||
1228 | *used = vino_fifo_get_used(&q->in); | |
1229 | ||
1230 | out: | |
1231 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1232 | ||
1233 | return ret; | |
1234 | } | |
1235 | ||
1236 | static int vino_queue_get_outgoing(struct vino_framebuffer_queue *q, | |
1237 | unsigned int *used) | |
1238 | { | |
1239 | int ret = 0; | |
1240 | unsigned long flags; | |
1241 | ||
1242 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1243 | return VINO_QUEUE_ERROR; | |
1244 | } | |
1245 | ||
1246 | spin_lock_irqsave(&q->queue_lock, flags); | |
1247 | ||
1248 | if (q->length == 0) { | |
1249 | ret = VINO_QUEUE_ERROR; | |
1250 | goto out; | |
1251 | } | |
1252 | ||
1253 | *used = vino_fifo_get_used(&q->out); | |
1254 | ||
1255 | out: | |
1256 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1257 | ||
1258 | return ret; | |
1259 | } | |
1260 | ||
a637a114 | 1261 | #if 0 |
d203a7ec RB |
1262 | static int vino_queue_get_total(struct vino_framebuffer_queue *q, |
1263 | unsigned int *total) | |
1264 | { | |
1265 | int ret = 0; | |
1266 | unsigned long flags; | |
1267 | ||
1268 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1269 | return VINO_QUEUE_ERROR; | |
1270 | } | |
1271 | ||
1272 | spin_lock_irqsave(&q->queue_lock, flags); | |
1273 | ||
1274 | if (q->length == 0) { | |
1275 | ret = VINO_QUEUE_ERROR; | |
1276 | goto out; | |
1277 | } | |
1278 | ||
1279 | *total = vino_fifo_get_used(&q->in) + | |
1280 | vino_fifo_get_used(&q->out); | |
1281 | ||
1282 | out: | |
1283 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1284 | ||
1285 | return ret; | |
1286 | } | |
a637a114 | 1287 | #endif |
d203a7ec RB |
1288 | |
1289 | static struct vino_framebuffer *vino_queue_peek(struct | |
1290 | vino_framebuffer_queue *q, | |
1291 | unsigned int *id) | |
1292 | { | |
1293 | struct vino_framebuffer *ret = NULL; | |
1294 | unsigned long flags; | |
1295 | ||
1296 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1297 | return ret; | |
1298 | } | |
1299 | ||
1300 | spin_lock_irqsave(&q->queue_lock, flags); | |
1301 | ||
1302 | if (q->length == 0) | |
1303 | goto out; | |
1304 | ||
1305 | if (vino_fifo_peek(&q->in, id)) { | |
1306 | goto out; | |
1307 | } | |
1308 | ||
1309 | ret = q->buffer[*id]; | |
1310 | out: | |
1311 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1312 | ||
1313 | return ret; | |
1314 | } | |
1315 | ||
1316 | static struct vino_framebuffer *vino_queue_remove(struct | |
1317 | vino_framebuffer_queue *q, | |
1318 | unsigned int *id) | |
1319 | { | |
1320 | struct vino_framebuffer *ret = NULL; | |
1321 | unsigned long flags; | |
1322 | dprintk("vino_queue_remove():\n"); | |
1323 | ||
1324 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1325 | return ret; | |
1326 | } | |
1327 | ||
1328 | spin_lock_irqsave(&q->queue_lock, flags); | |
1329 | ||
1330 | if (q->length == 0) | |
1331 | goto out; | |
1332 | ||
1333 | if (vino_fifo_dequeue(&q->out, id)) { | |
1334 | goto out; | |
1335 | } | |
1336 | ||
1337 | dprintk("vino_queue_remove(): id = %d\n", *id); | |
1338 | ret = q->buffer[*id]; | |
1339 | out: | |
1340 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1341 | ||
1342 | return ret; | |
1343 | } | |
1344 | ||
1345 | static struct | |
1346 | vino_framebuffer *vino_queue_get_buffer(struct vino_framebuffer_queue *q, | |
1347 | unsigned int id) | |
1348 | { | |
1349 | struct vino_framebuffer *ret = NULL; | |
1350 | unsigned long flags; | |
1351 | ||
1352 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1353 | return ret; | |
1354 | } | |
1355 | ||
1356 | spin_lock_irqsave(&q->queue_lock, flags); | |
1357 | ||
1358 | if (q->length == 0) | |
1359 | goto out; | |
1360 | ||
1361 | if (id >= q->length) | |
1362 | goto out; | |
1363 | ||
1364 | ret = q->buffer[id]; | |
1365 | out: | |
1366 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1367 | ||
1368 | return ret; | |
1369 | } | |
1370 | ||
1371 | static unsigned int vino_queue_get_length(struct vino_framebuffer_queue *q) | |
1372 | { | |
1373 | unsigned int length = 0; | |
1374 | unsigned long flags; | |
1375 | ||
1376 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1377 | return length; | |
1378 | } | |
1379 | ||
1380 | spin_lock_irqsave(&q->queue_lock, flags); | |
1381 | length = q->length; | |
1382 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1383 | ||
1384 | return length; | |
1385 | } | |
1386 | ||
1387 | static int vino_queue_has_mapped_buffers(struct vino_framebuffer_queue *q) | |
1388 | { | |
1389 | unsigned int i; | |
1390 | int ret = 0; | |
1391 | unsigned long flags; | |
1392 | ||
1393 | if (q->magic != VINO_QUEUE_MAGIC) { | |
1394 | return ret; | |
1395 | } | |
1396 | ||
1397 | spin_lock_irqsave(&q->queue_lock, flags); | |
1398 | for (i = 0; i < q->length; i++) { | |
1399 | if (q->buffer[i]->map_count > 0) { | |
1400 | ret = 1; | |
1401 | break; | |
1402 | } | |
1403 | } | |
1404 | spin_unlock_irqrestore(&q->queue_lock, flags); | |
1405 | ||
1406 | return ret; | |
1407 | } | |
1408 | ||
1409 | /* VINO functions */ | |
1410 | ||
1411 | /* execute with input_lock locked */ | |
1412 | static void vino_update_line_size(struct vino_channel_settings *vcs) | |
1413 | { | |
1414 | unsigned int w = vcs->clipping.right - vcs->clipping.left; | |
1415 | unsigned int d = vcs->decimation; | |
1416 | unsigned int bpp = vino_data_formats[vcs->data_format].bpp; | |
d56410e0 | 1417 | unsigned int lsize; |
d203a7ec RB |
1418 | |
1419 | dprintk("update_line_size(): before: w = %d, d = %d, " | |
1420 | "line_size = %d\n", w, d, vcs->line_size); | |
a637a114 | 1421 | |
d56410e0 | 1422 | /* line size must be multiple of 8 bytes */ |
d203a7ec RB |
1423 | lsize = (bpp * (w / d)) & ~7; |
1424 | w = (lsize / bpp) * d; | |
1425 | ||
1426 | vcs->clipping.right = vcs->clipping.left + w; | |
1427 | vcs->line_size = lsize; | |
a637a114 | 1428 | |
d203a7ec RB |
1429 | dprintk("update_line_size(): after: w = %d, d = %d, " |
1430 | "line_size = %d\n", w, d, vcs->line_size); | |
1431 | } | |
1432 | ||
1433 | /* execute with input_lock locked */ | |
1434 | static void vino_set_clipping(struct vino_channel_settings *vcs, | |
1435 | unsigned int x, unsigned int y, | |
1436 | unsigned int w, unsigned int h) | |
1437 | { | |
1438 | unsigned int maxwidth, maxheight; | |
1439 | unsigned int d; | |
1440 | ||
1441 | maxwidth = vino_data_norms[vcs->data_norm].width; | |
1442 | maxheight = vino_data_norms[vcs->data_norm].height; | |
1443 | d = vcs->decimation; | |
1444 | ||
1445 | y &= ~1; /* odd/even fields */ | |
1446 | ||
1447 | if (x > maxwidth) { | |
1448 | x = 0; | |
1449 | } | |
1450 | if (y > maxheight) { | |
1451 | y = 0; | |
1452 | } | |
1453 | ||
1454 | if (((w / d) < VINO_MIN_WIDTH) | |
1455 | || ((h / d) < VINO_MIN_HEIGHT)) { | |
1456 | w = VINO_MIN_WIDTH * d; | |
1457 | h = VINO_MIN_HEIGHT * d; | |
1458 | } | |
1459 | ||
1460 | if ((x + w) > maxwidth) { | |
1461 | w = maxwidth - x; | |
1462 | if ((w / d) < VINO_MIN_WIDTH) | |
1463 | x = maxwidth - VINO_MIN_WIDTH * d; | |
1464 | } | |
1465 | if ((y + h) > maxheight) { | |
1466 | h = maxheight - y; | |
1467 | if ((h / d) < VINO_MIN_HEIGHT) | |
1468 | y = maxheight - VINO_MIN_HEIGHT * d; | |
1469 | } | |
1470 | ||
1471 | vcs->clipping.left = x; | |
1472 | vcs->clipping.top = y; | |
1473 | vcs->clipping.right = x + w; | |
1474 | vcs->clipping.bottom = y + h; | |
1475 | ||
1476 | vino_update_line_size(vcs); | |
1477 | ||
1478 | dprintk("clipping %d, %d, %d, %d / %d - %d\n", | |
1479 | vcs->clipping.left, vcs->clipping.top, vcs->clipping.right, | |
1480 | vcs->clipping.bottom, vcs->decimation, vcs->line_size); | |
1481 | } | |
1482 | ||
1483 | /* execute with input_lock locked */ | |
a637a114 | 1484 | static inline void vino_set_default_clipping(struct vino_channel_settings *vcs) |
d203a7ec RB |
1485 | { |
1486 | vino_set_clipping(vcs, 0, 0, vino_data_norms[vcs->data_norm].width, | |
1487 | vino_data_norms[vcs->data_norm].height); | |
1488 | } | |
1489 | ||
1490 | /* execute with input_lock locked */ | |
1491 | static void vino_set_scaling(struct vino_channel_settings *vcs, | |
1492 | unsigned int w, unsigned int h) | |
1493 | { | |
1494 | unsigned int x, y, curw, curh, d; | |
1495 | ||
1496 | x = vcs->clipping.left; | |
1497 | y = vcs->clipping.top; | |
1498 | curw = vcs->clipping.right - vcs->clipping.left; | |
1499 | curh = vcs->clipping.bottom - vcs->clipping.top; | |
1500 | ||
1501 | d = max(curw / w, curh / h); | |
1502 | ||
1503 | dprintk("scaling w: %d, h: %d, curw: %d, curh: %d, d: %d\n", | |
1504 | w, h, curw, curh, d); | |
1505 | ||
1506 | if (d < 1) { | |
1507 | d = 1; | |
a637a114 | 1508 | } else if (d > 8) { |
d203a7ec RB |
1509 | d = 8; |
1510 | } | |
1511 | ||
1512 | vcs->decimation = d; | |
1513 | vino_set_clipping(vcs, x, y, w * d, h * d); | |
1514 | ||
1515 | dprintk("scaling %d, %d, %d, %d / %d - %d\n", vcs->clipping.left, | |
1516 | vcs->clipping.top, vcs->clipping.right, vcs->clipping.bottom, | |
1517 | vcs->decimation, vcs->line_size); | |
1518 | } | |
1519 | ||
1520 | /* execute with input_lock locked */ | |
a637a114 | 1521 | static inline void vino_set_default_scaling(struct vino_channel_settings *vcs) |
d203a7ec RB |
1522 | { |
1523 | vino_set_scaling(vcs, vcs->clipping.right - vcs->clipping.left, | |
1524 | vcs->clipping.bottom - vcs->clipping.top); | |
1525 | } | |
1526 | ||
1527 | /* execute with input_lock locked */ | |
1528 | static void vino_set_framerate(struct vino_channel_settings *vcs, | |
1529 | unsigned int fps) | |
1530 | { | |
1531 | unsigned int mask; | |
1532 | ||
1533 | switch (vcs->data_norm) { | |
1534 | case VINO_DATA_NORM_NTSC: | |
1535 | case VINO_DATA_NORM_D1: | |
1536 | fps = (unsigned int)(fps / 6) * 6; // FIXME: round! | |
1537 | ||
1538 | if (fps < vino_data_norms[vcs->data_norm].fps_min) | |
1539 | fps = vino_data_norms[vcs->data_norm].fps_min; | |
1540 | if (fps > vino_data_norms[vcs->data_norm].fps_max) | |
1541 | fps = vino_data_norms[vcs->data_norm].fps_max; | |
1542 | ||
1543 | switch (fps) { | |
1544 | case 6: | |
1545 | mask = 0x003; | |
1546 | break; | |
1547 | case 12: | |
1548 | mask = 0x0c3; | |
1549 | break; | |
1550 | case 18: | |
1551 | mask = 0x333; | |
1552 | break; | |
1553 | case 24: | |
1554 | mask = 0x3ff; | |
1555 | break; | |
1556 | case 30: | |
1557 | mask = 0xfff; | |
1558 | break; | |
1559 | default: | |
1560 | mask = VINO_FRAMERT_FULL; | |
1561 | } | |
1562 | vcs->framert_reg = VINO_FRAMERT_RT(mask); | |
1563 | break; | |
1564 | case VINO_DATA_NORM_PAL: | |
1565 | case VINO_DATA_NORM_SECAM: | |
1566 | fps = (unsigned int)(fps / 5) * 5; // FIXME: round! | |
1567 | ||
1568 | if (fps < vino_data_norms[vcs->data_norm].fps_min) | |
1569 | fps = vino_data_norms[vcs->data_norm].fps_min; | |
1570 | if (fps > vino_data_norms[vcs->data_norm].fps_max) | |
1571 | fps = vino_data_norms[vcs->data_norm].fps_max; | |
1572 | ||
1573 | switch (fps) { | |
1574 | case 5: | |
1575 | mask = 0x003; | |
1576 | break; | |
1577 | case 10: | |
1578 | mask = 0x0c3; | |
1579 | break; | |
1580 | case 15: | |
1581 | mask = 0x333; | |
1582 | break; | |
1583 | case 20: | |
1584 | mask = 0x0ff; | |
1585 | break; | |
1586 | case 25: | |
1587 | mask = 0x3ff; | |
1588 | break; | |
1589 | default: | |
1590 | mask = VINO_FRAMERT_FULL; | |
1591 | } | |
1592 | vcs->framert_reg = VINO_FRAMERT_RT(mask) | VINO_FRAMERT_PAL; | |
1593 | break; | |
1594 | } | |
1595 | ||
1596 | vcs->fps = fps; | |
1597 | } | |
1598 | ||
1599 | /* execute with input_lock locked */ | |
a637a114 LM |
1600 | static inline void vino_set_default_framerate(struct |
1601 | vino_channel_settings *vcs) | |
d203a7ec RB |
1602 | { |
1603 | vino_set_framerate(vcs, vino_data_norms[vcs->data_norm].fps_max); | |
1604 | } | |
1605 | ||
cea0c681 JD |
1606 | /* VINO I2C bus functions */ |
1607 | ||
1608 | struct i2c_algo_sgi_data { | |
1609 | void *data; /* private data for lowlevel routines */ | |
1610 | unsigned (*getctrl)(void *data); | |
1611 | void (*setctrl)(void *data, unsigned val); | |
1612 | unsigned (*rdata)(void *data); | |
1613 | void (*wdata)(void *data, unsigned val); | |
1614 | ||
1615 | int xfer_timeout; | |
1616 | int ack_timeout; | |
1617 | }; | |
1618 | ||
1619 | static int wait_xfer_done(struct i2c_algo_sgi_data *adap) | |
1620 | { | |
1621 | int i; | |
1622 | ||
1623 | for (i = 0; i < adap->xfer_timeout; i++) { | |
1624 | if ((adap->getctrl(adap->data) & SGI_I2C_XFER_BUSY) == 0) | |
1625 | return 0; | |
1626 | udelay(1); | |
1627 | } | |
1628 | ||
1629 | return -ETIMEDOUT; | |
1630 | } | |
1631 | ||
1632 | static int wait_ack(struct i2c_algo_sgi_data *adap) | |
1633 | { | |
1634 | int i; | |
1635 | ||
1636 | if (wait_xfer_done(adap)) | |
1637 | return -ETIMEDOUT; | |
1638 | for (i = 0; i < adap->ack_timeout; i++) { | |
1639 | if ((adap->getctrl(adap->data) & SGI_I2C_NACK) == 0) | |
1640 | return 0; | |
1641 | udelay(1); | |
1642 | } | |
1643 | ||
1644 | return -ETIMEDOUT; | |
1645 | } | |
1646 | ||
1647 | static int force_idle(struct i2c_algo_sgi_data *adap) | |
1648 | { | |
1649 | int i; | |
1650 | ||
1651 | adap->setctrl(adap->data, SGI_I2C_FORCE_IDLE); | |
1652 | for (i = 0; i < adap->xfer_timeout; i++) { | |
1653 | if ((adap->getctrl(adap->data) & SGI_I2C_NOT_IDLE) == 0) | |
1654 | goto out; | |
1655 | udelay(1); | |
1656 | } | |
1657 | return -ETIMEDOUT; | |
1658 | out: | |
1659 | if (adap->getctrl(adap->data) & SGI_I2C_BUS_ERR) | |
1660 | return -EIO; | |
1661 | return 0; | |
1662 | } | |
1663 | ||
1664 | static int do_address(struct i2c_algo_sgi_data *adap, unsigned int addr, | |
1665 | int rd) | |
1666 | { | |
1667 | if (rd) | |
1668 | adap->setctrl(adap->data, SGI_I2C_NOT_IDLE); | |
1669 | /* Check if bus is idle, eventually force it to do so */ | |
1670 | if (adap->getctrl(adap->data) & SGI_I2C_NOT_IDLE) | |
1671 | if (force_idle(adap)) | |
1672 | return -EIO; | |
1673 | /* Write out the i2c chip address and specify operation */ | |
1674 | adap->setctrl(adap->data, | |
1675 | SGI_I2C_HOLD_BUS | SGI_I2C_WRITE | SGI_I2C_NOT_IDLE); | |
1676 | if (rd) | |
1677 | addr |= 1; | |
1678 | adap->wdata(adap->data, addr); | |
1679 | if (wait_ack(adap)) | |
1680 | return -EIO; | |
1681 | return 0; | |
1682 | } | |
1683 | ||
1684 | static int i2c_read(struct i2c_algo_sgi_data *adap, unsigned char *buf, | |
1685 | unsigned int len) | |
1686 | { | |
1687 | int i; | |
1688 | ||
1689 | adap->setctrl(adap->data, | |
1690 | SGI_I2C_HOLD_BUS | SGI_I2C_READ | SGI_I2C_NOT_IDLE); | |
1691 | for (i = 0; i < len; i++) { | |
1692 | if (wait_xfer_done(adap)) | |
1693 | return -EIO; | |
1694 | buf[i] = adap->rdata(adap->data); | |
1695 | } | |
1696 | adap->setctrl(adap->data, SGI_I2C_RELEASE_BUS | SGI_I2C_FORCE_IDLE); | |
1697 | ||
1698 | return 0; | |
1699 | ||
1700 | } | |
1701 | ||
1702 | static int i2c_write(struct i2c_algo_sgi_data *adap, unsigned char *buf, | |
1703 | unsigned int len) | |
1704 | { | |
1705 | int i; | |
1706 | ||
1707 | /* We are already in write state */ | |
1708 | for (i = 0; i < len; i++) { | |
1709 | adap->wdata(adap->data, buf[i]); | |
1710 | if (wait_ack(adap)) | |
1711 | return -EIO; | |
1712 | } | |
1713 | return 0; | |
1714 | } | |
1715 | ||
1716 | static int sgi_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, | |
1717 | int num) | |
1718 | { | |
1719 | struct i2c_algo_sgi_data *adap = i2c_adap->algo_data; | |
1720 | struct i2c_msg *p; | |
1721 | int i, err = 0; | |
1722 | ||
1723 | for (i = 0; !err && i < num; i++) { | |
1724 | p = &msgs[i]; | |
1725 | err = do_address(adap, p->addr, p->flags & I2C_M_RD); | |
1726 | if (err || !p->len) | |
1727 | continue; | |
1728 | if (p->flags & I2C_M_RD) | |
1729 | err = i2c_read(adap, p->buf, p->len); | |
1730 | else | |
1731 | err = i2c_write(adap, p->buf, p->len); | |
1732 | } | |
1733 | ||
1734 | return (err < 0) ? err : i; | |
1735 | } | |
1736 | ||
1737 | static u32 sgi_func(struct i2c_adapter *adap) | |
1738 | { | |
1739 | return I2C_FUNC_SMBUS_EMUL; | |
1740 | } | |
1741 | ||
1742 | static const struct i2c_algorithm sgi_algo = { | |
1743 | .master_xfer = sgi_xfer, | |
1744 | .functionality = sgi_func, | |
1745 | }; | |
1746 | ||
1747 | static unsigned i2c_vino_getctrl(void *data) | |
1748 | { | |
1749 | return vino->i2c_control; | |
1750 | } | |
1751 | ||
1752 | static void i2c_vino_setctrl(void *data, unsigned val) | |
1753 | { | |
1754 | vino->i2c_control = val; | |
1755 | } | |
1756 | ||
1757 | static unsigned i2c_vino_rdata(void *data) | |
1758 | { | |
1759 | return vino->i2c_data; | |
1760 | } | |
1761 | ||
1762 | static void i2c_vino_wdata(void *data, unsigned val) | |
1763 | { | |
1764 | vino->i2c_data = val; | |
1765 | } | |
1766 | ||
1767 | static struct i2c_algo_sgi_data i2c_sgi_vino_data = { | |
1768 | .getctrl = &i2c_vino_getctrl, | |
1769 | .setctrl = &i2c_vino_setctrl, | |
1770 | .rdata = &i2c_vino_rdata, | |
1771 | .wdata = &i2c_vino_wdata, | |
1772 | .xfer_timeout = 200, | |
1773 | .ack_timeout = 1000, | |
1774 | }; | |
1775 | ||
1776 | static struct i2c_adapter vino_i2c_adapter = { | |
1777 | .name = "VINO I2C bus", | |
cea0c681 JD |
1778 | .algo = &sgi_algo, |
1779 | .algo_data = &i2c_sgi_vino_data, | |
1780 | .owner = THIS_MODULE, | |
1781 | }; | |
1782 | ||
d203a7ec RB |
1783 | /* |
1784 | * Prepare VINO for DMA transfer... | |
1785 | * (execute only with vino_lock and input_lock locked) | |
1786 | */ | |
1787 | static int vino_dma_setup(struct vino_channel_settings *vcs, | |
1788 | struct vino_framebuffer *fb) | |
1789 | { | |
1790 | u32 ctrl, intr; | |
1791 | struct sgi_vino_channel *ch; | |
1792 | const struct vino_data_norm *norm; | |
1793 | ||
1794 | dprintk("vino_dma_setup():\n"); | |
1795 | ||
1796 | vcs->field = 0; | |
1797 | fb->frame_counter = 0; | |
1798 | ||
1799 | ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b; | |
1800 | norm = &vino_data_norms[vcs->data_norm]; | |
1801 | ||
1802 | ch->page_index = 0; | |
1803 | ch->line_count = 0; | |
1804 | ||
1805 | /* VINO line size register is set 8 bytes less than actual */ | |
1806 | ch->line_size = vcs->line_size - 8; | |
1807 | ||
1808 | /* let VINO know where to transfer data */ | |
1809 | ch->start_desc_tbl = fb->desc_table.dma; | |
1810 | ch->next_4_desc = fb->desc_table.dma; | |
1811 | ||
1812 | /* give vino time to fetch the first four descriptors, 5 usec | |
1813 | * should be more than enough time */ | |
1814 | udelay(VINO_DESC_FETCH_DELAY); | |
1815 | ||
a637a114 LM |
1816 | dprintk("vino_dma_setup(): start desc = %08x, next 4 desc = %08x\n", |
1817 | ch->start_desc_tbl, ch->next_4_desc); | |
1818 | ||
d203a7ec RB |
1819 | /* set the alpha register */ |
1820 | ch->alpha = vcs->alpha; | |
1821 | ||
1822 | /* set clipping registers */ | |
1823 | ch->clip_start = VINO_CLIP_ODD(norm->odd.top + vcs->clipping.top / 2) | | |
1824 | VINO_CLIP_EVEN(norm->even.top + | |
1825 | vcs->clipping.top / 2) | | |
1826 | VINO_CLIP_X(vcs->clipping.left); | |
1827 | ch->clip_end = VINO_CLIP_ODD(norm->odd.top + | |
1828 | vcs->clipping.bottom / 2 - 1) | | |
1829 | VINO_CLIP_EVEN(norm->even.top + | |
1830 | vcs->clipping.bottom / 2 - 1) | | |
1831 | VINO_CLIP_X(vcs->clipping.right); | |
d203a7ec RB |
1832 | |
1833 | /* set the size of actual content in the buffer (DECIMATION !) */ | |
1834 | fb->data_size = ((vcs->clipping.right - vcs->clipping.left) / | |
1835 | vcs->decimation) * | |
1836 | ((vcs->clipping.bottom - vcs->clipping.top) / | |
1837 | vcs->decimation) * | |
1838 | vino_data_formats[vcs->data_format].bpp; | |
1839 | ||
1840 | ch->frame_rate = vcs->framert_reg; | |
1841 | ||
1842 | ctrl = vino->control; | |
1843 | intr = vino->intr_status; | |
1844 | ||
1845 | if (vcs->channel == VINO_CHANNEL_A) { | |
1846 | /* All interrupt conditions for this channel was cleared | |
1847 | * so clear the interrupt status register and enable | |
1848 | * interrupts */ | |
1849 | intr &= ~VINO_INTSTAT_A; | |
1850 | ctrl |= VINO_CTRL_A_INT; | |
1851 | ||
1852 | /* enable synchronization */ | |
1853 | ctrl |= VINO_CTRL_A_SYNC_ENBL; | |
1854 | ||
1855 | /* enable frame assembly */ | |
1856 | ctrl |= VINO_CTRL_A_INTERLEAVE_ENBL; | |
1857 | ||
1858 | /* set decimation used */ | |
1859 | if (vcs->decimation < 2) | |
1860 | ctrl &= ~VINO_CTRL_A_DEC_ENBL; | |
1861 | else { | |
1862 | ctrl |= VINO_CTRL_A_DEC_ENBL; | |
1863 | ctrl &= ~VINO_CTRL_A_DEC_SCALE_MASK; | |
1864 | ctrl |= (vcs->decimation - 1) << | |
1865 | VINO_CTRL_A_DEC_SCALE_SHIFT; | |
1866 | } | |
1867 | ||
1868 | /* select input interface */ | |
1869 | if (vcs->input == VINO_INPUT_D1) | |
1870 | ctrl |= VINO_CTRL_A_SELECT; | |
1871 | else | |
1872 | ctrl &= ~VINO_CTRL_A_SELECT; | |
1873 | ||
1874 | /* palette */ | |
1875 | ctrl &= ~(VINO_CTRL_A_LUMA_ONLY | VINO_CTRL_A_RGB | | |
1876 | VINO_CTRL_A_DITHER); | |
1877 | } else { | |
1878 | intr &= ~VINO_INTSTAT_B; | |
1879 | ctrl |= VINO_CTRL_B_INT; | |
1880 | ||
1881 | ctrl |= VINO_CTRL_B_SYNC_ENBL; | |
1882 | ctrl |= VINO_CTRL_B_INTERLEAVE_ENBL; | |
1883 | ||
1884 | if (vcs->decimation < 2) | |
1885 | ctrl &= ~VINO_CTRL_B_DEC_ENBL; | |
1886 | else { | |
1887 | ctrl |= VINO_CTRL_B_DEC_ENBL; | |
1888 | ctrl &= ~VINO_CTRL_B_DEC_SCALE_MASK; | |
1889 | ctrl |= (vcs->decimation - 1) << | |
1890 | VINO_CTRL_B_DEC_SCALE_SHIFT; | |
1891 | ||
1892 | } | |
1893 | if (vcs->input == VINO_INPUT_D1) | |
1894 | ctrl |= VINO_CTRL_B_SELECT; | |
1895 | else | |
1896 | ctrl &= ~VINO_CTRL_B_SELECT; | |
1897 | ||
1898 | ctrl &= ~(VINO_CTRL_B_LUMA_ONLY | VINO_CTRL_B_RGB | | |
1899 | VINO_CTRL_B_DITHER); | |
1900 | } | |
1901 | ||
1902 | /* set palette */ | |
1903 | fb->data_format = vcs->data_format; | |
1904 | ||
1905 | switch (vcs->data_format) { | |
1906 | case VINO_DATA_FMT_GREY: | |
1907 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1908 | VINO_CTRL_A_LUMA_ONLY : VINO_CTRL_B_LUMA_ONLY; | |
1909 | break; | |
1910 | case VINO_DATA_FMT_RGB32: | |
1911 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1912 | VINO_CTRL_A_RGB : VINO_CTRL_B_RGB; | |
1913 | break; | |
1914 | case VINO_DATA_FMT_YUV: | |
1915 | /* nothing needs to be done */ | |
1916 | break; | |
1917 | case VINO_DATA_FMT_RGB332: | |
1918 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1919 | VINO_CTRL_A_RGB | VINO_CTRL_A_DITHER : | |
1920 | VINO_CTRL_B_RGB | VINO_CTRL_B_DITHER; | |
1921 | break; | |
1922 | } | |
1923 | ||
1924 | vino->intr_status = intr; | |
1925 | vino->control = ctrl; | |
1926 | ||
1927 | return 0; | |
1928 | } | |
1929 | ||
1930 | /* (execute only with vino_lock locked) */ | |
a637a114 | 1931 | static inline void vino_dma_start(struct vino_channel_settings *vcs) |
d203a7ec RB |
1932 | { |
1933 | u32 ctrl = vino->control; | |
1934 | ||
1935 | dprintk("vino_dma_start():\n"); | |
1936 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? | |
1937 | VINO_CTRL_A_DMA_ENBL : VINO_CTRL_B_DMA_ENBL; | |
1938 | vino->control = ctrl; | |
1939 | } | |
1940 | ||
1941 | /* (execute only with vino_lock locked) */ | |
a637a114 | 1942 | static inline void vino_dma_stop(struct vino_channel_settings *vcs) |
d203a7ec RB |
1943 | { |
1944 | u32 ctrl = vino->control; | |
1945 | ||
1946 | ctrl &= (vcs->channel == VINO_CHANNEL_A) ? | |
1947 | ~VINO_CTRL_A_DMA_ENBL : ~VINO_CTRL_B_DMA_ENBL; | |
a637a114 LM |
1948 | ctrl &= (vcs->channel == VINO_CHANNEL_A) ? |
1949 | ~VINO_CTRL_A_INT : ~VINO_CTRL_B_INT; | |
d203a7ec RB |
1950 | vino->control = ctrl; |
1951 | dprintk("vino_dma_stop():\n"); | |
1952 | } | |
1953 | ||
1954 | /* | |
1955 | * Load dummy page to descriptor registers. This prevents generating of | |
1956 | * spurious interrupts. (execute only with vino_lock locked) | |
1957 | */ | |
1958 | static void vino_clear_interrupt(struct vino_channel_settings *vcs) | |
1959 | { | |
1960 | struct sgi_vino_channel *ch; | |
1961 | ||
1962 | ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b; | |
1963 | ||
1964 | ch->page_index = 0; | |
1965 | ch->line_count = 0; | |
1966 | ||
1967 | ch->start_desc_tbl = vino_drvdata->dummy_desc_table.dma; | |
1968 | ch->next_4_desc = vino_drvdata->dummy_desc_table.dma; | |
1969 | ||
1970 | udelay(VINO_DESC_FETCH_DELAY); | |
1971 | dprintk("channel %c clear interrupt condition\n", | |
1972 | (vcs->channel == VINO_CHANNEL_A) ? 'A':'B'); | |
1973 | } | |
1974 | ||
1975 | static int vino_capture(struct vino_channel_settings *vcs, | |
1976 | struct vino_framebuffer *fb) | |
1977 | { | |
1978 | int err = 0; | |
1979 | unsigned long flags, flags2; | |
1980 | ||
1981 | spin_lock_irqsave(&fb->state_lock, flags); | |
1982 | ||
1983 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) | |
1984 | err = -EBUSY; | |
1985 | fb->state = VINO_FRAMEBUFFER_IN_USE; | |
1986 | ||
1987 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
1988 | ||
1989 | if (err) | |
1990 | return err; | |
1991 | ||
1992 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); | |
1993 | spin_lock_irqsave(&vino_drvdata->input_lock, flags2); | |
1994 | ||
1995 | vino_dma_setup(vcs, fb); | |
1996 | vino_dma_start(vcs); | |
1997 | ||
1998 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags2); | |
1999 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); | |
2000 | ||
2001 | return err; | |
2002 | } | |
2003 | ||
2004 | static | |
2005 | struct vino_framebuffer *vino_capture_enqueue(struct | |
2006 | vino_channel_settings *vcs, | |
2007 | unsigned int index) | |
2008 | { | |
2009 | struct vino_framebuffer *fb; | |
2010 | unsigned long flags; | |
2011 | ||
2012 | dprintk("vino_capture_enqueue():\n"); | |
2013 | ||
2014 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2015 | ||
2016 | fb = vino_queue_add(&vcs->fb_queue, index); | |
2017 | if (fb == NULL) { | |
2018 | dprintk("vino_capture_enqueue(): vino_queue_add() failed, " | |
2019 | "queue full?\n"); | |
2020 | goto out; | |
2021 | } | |
2022 | out: | |
2023 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2024 | ||
2025 | return fb; | |
2026 | } | |
2027 | ||
2028 | static int vino_capture_next(struct vino_channel_settings *vcs, int start) | |
2029 | { | |
2030 | struct vino_framebuffer *fb; | |
2031 | unsigned int incoming, id; | |
2032 | int err = 0; | |
a637a114 | 2033 | unsigned long flags; |
d203a7ec RB |
2034 | |
2035 | dprintk("vino_capture_next():\n"); | |
2036 | ||
2037 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2038 | ||
2039 | if (start) { | |
2040 | /* start capture only if capture isn't in progress already */ | |
2041 | if (vcs->capturing) { | |
2042 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2043 | return 0; | |
2044 | } | |
2045 | ||
2046 | } else { | |
2047 | /* capture next frame: | |
2048 | * stop capture if capturing is not set */ | |
2049 | if (!vcs->capturing) { | |
2050 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2051 | return 0; | |
2052 | } | |
2053 | } | |
2054 | ||
2055 | err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); | |
2056 | if (err) { | |
2057 | dprintk("vino_capture_next(): vino_queue_get_incoming() " | |
2058 | "failed\n"); | |
2059 | err = -EINVAL; | |
2060 | goto out; | |
2061 | } | |
2062 | if (incoming == 0) { | |
2063 | dprintk("vino_capture_next(): no buffers available\n"); | |
2064 | goto out; | |
2065 | } | |
2066 | ||
2067 | fb = vino_queue_peek(&vcs->fb_queue, &id); | |
2068 | if (fb == NULL) { | |
2069 | dprintk("vino_capture_next(): vino_queue_peek() failed\n"); | |
2070 | err = -EINVAL; | |
2071 | goto out; | |
2072 | } | |
2073 | ||
d203a7ec RB |
2074 | if (start) { |
2075 | vcs->capturing = 1; | |
2076 | } | |
2077 | ||
2078 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2079 | ||
2080 | err = vino_capture(vcs, fb); | |
2081 | ||
2082 | return err; | |
2083 | ||
2084 | out: | |
2085 | vcs->capturing = 0; | |
2086 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2087 | ||
2088 | return err; | |
2089 | } | |
2090 | ||
a637a114 | 2091 | static inline int vino_is_capturing(struct vino_channel_settings *vcs) |
d203a7ec RB |
2092 | { |
2093 | int ret; | |
2094 | unsigned long flags; | |
2095 | ||
2096 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2097 | ||
2098 | ret = vcs->capturing; | |
2099 | ||
2100 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2101 | ||
2102 | return ret; | |
2103 | } | |
2104 | ||
2105 | /* waits until a frame is captured */ | |
2106 | static int vino_wait_for_frame(struct vino_channel_settings *vcs) | |
2107 | { | |
2108 | wait_queue_t wait; | |
2109 | int err = 0; | |
2110 | ||
2111 | dprintk("vino_wait_for_frame():\n"); | |
2112 | ||
2113 | init_waitqueue_entry(&wait, current); | |
2114 | /* add ourselves into wait queue */ | |
2115 | add_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait); | |
d203a7ec RB |
2116 | |
2117 | /* to ensure that schedule_timeout will return immediately | |
f3a43d30 | 2118 | * if VINO interrupt was triggered meanwhile */ |
818ca471 | 2119 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
d203a7ec RB |
2120 | |
2121 | if (signal_pending(current)) | |
2122 | err = -EINTR; | |
2123 | ||
2124 | remove_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait); | |
2125 | ||
2126 | dprintk("vino_wait_for_frame(): waiting for frame %s\n", | |
2127 | err ? "failed" : "ok"); | |
2128 | ||
2129 | return err; | |
2130 | } | |
2131 | ||
2132 | /* the function assumes that PAGE_SIZE % 4 == 0 */ | |
2133 | static void vino_convert_to_rgba(struct vino_framebuffer *fb) { | |
2134 | unsigned char *pageptr; | |
2135 | unsigned int page, i; | |
2136 | unsigned char a; | |
2137 | ||
2138 | for (page = 0; page < fb->desc_table.page_count; page++) { | |
2139 | pageptr = (unsigned char *)fb->desc_table.virtual[page]; | |
2140 | ||
2141 | for (i = 0; i < PAGE_SIZE; i += 4) { | |
2142 | a = pageptr[0]; | |
2143 | pageptr[0] = pageptr[3]; | |
2144 | pageptr[1] = pageptr[2]; | |
2145 | pageptr[2] = pageptr[1]; | |
2146 | pageptr[3] = a; | |
2147 | pageptr += 4; | |
2148 | } | |
2149 | } | |
2150 | } | |
2151 | ||
2152 | /* checks if the buffer is in correct state and syncs data */ | |
2153 | static int vino_check_buffer(struct vino_channel_settings *vcs, | |
2154 | struct vino_framebuffer *fb) | |
2155 | { | |
2156 | int err = 0; | |
2157 | unsigned long flags; | |
2158 | ||
2159 | dprintk("vino_check_buffer():\n"); | |
2160 | ||
2161 | spin_lock_irqsave(&fb->state_lock, flags); | |
2162 | switch (fb->state) { | |
2163 | case VINO_FRAMEBUFFER_IN_USE: | |
2164 | err = -EIO; | |
2165 | break; | |
2166 | case VINO_FRAMEBUFFER_READY: | |
2167 | vino_sync_buffer(fb); | |
2168 | fb->state = VINO_FRAMEBUFFER_UNUSED; | |
2169 | break; | |
2170 | default: | |
2171 | err = -EINVAL; | |
2172 | } | |
2173 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2174 | ||
2175 | if (!err) { | |
2176 | if (vino_pixel_conversion | |
2177 | && (fb->data_format == VINO_DATA_FMT_RGB32)) { | |
2178 | vino_convert_to_rgba(fb); | |
2179 | } | |
2180 | } else if (err && (err != -EINVAL)) { | |
2181 | dprintk("vino_check_buffer(): buffer not ready\n"); | |
2182 | ||
2183 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); | |
2184 | vino_dma_stop(vcs); | |
2185 | vino_clear_interrupt(vcs); | |
2186 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); | |
2187 | } | |
2188 | ||
2189 | return err; | |
2190 | } | |
2191 | ||
2192 | /* forcefully terminates capture */ | |
2193 | static void vino_capture_stop(struct vino_channel_settings *vcs) | |
2194 | { | |
2195 | unsigned int incoming = 0, outgoing = 0, id; | |
2196 | unsigned long flags, flags2; | |
2197 | ||
2198 | dprintk("vino_capture_stop():\n"); | |
2199 | ||
2200 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
a637a114 | 2201 | |
d203a7ec RB |
2202 | /* unset capturing to stop queue processing */ |
2203 | vcs->capturing = 0; | |
2204 | ||
2205 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags2); | |
2206 | ||
2207 | vino_dma_stop(vcs); | |
2208 | vino_clear_interrupt(vcs); | |
2209 | ||
2210 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags2); | |
2211 | ||
2212 | /* remove all items from the queue */ | |
2213 | if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) { | |
2214 | dprintk("vino_capture_stop(): " | |
2215 | "vino_queue_get_incoming() failed\n"); | |
2216 | goto out; | |
2217 | } | |
2218 | while (incoming > 0) { | |
2219 | vino_queue_transfer(&vcs->fb_queue); | |
2220 | ||
2221 | if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) { | |
2222 | dprintk("vino_capture_stop(): " | |
2223 | "vino_queue_get_incoming() failed\n"); | |
2224 | goto out; | |
2225 | } | |
2226 | } | |
2227 | ||
2228 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
2229 | dprintk("vino_capture_stop(): " | |
2230 | "vino_queue_get_outgoing() failed\n"); | |
2231 | goto out; | |
2232 | } | |
2233 | while (outgoing > 0) { | |
2234 | vino_queue_remove(&vcs->fb_queue, &id); | |
2235 | ||
2236 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
2237 | dprintk("vino_capture_stop(): " | |
2238 | "vino_queue_get_outgoing() failed\n"); | |
2239 | goto out; | |
2240 | } | |
2241 | } | |
2242 | ||
2243 | out: | |
2244 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2245 | } | |
2246 | ||
a637a114 | 2247 | #if 0 |
d203a7ec RB |
2248 | static int vino_capture_failed(struct vino_channel_settings *vcs) |
2249 | { | |
2250 | struct vino_framebuffer *fb; | |
2251 | unsigned long flags; | |
2252 | unsigned int i; | |
2253 | int ret; | |
2254 | ||
2255 | dprintk("vino_capture_failed():\n"); | |
2256 | ||
2257 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); | |
2258 | ||
2259 | vino_dma_stop(vcs); | |
2260 | vino_clear_interrupt(vcs); | |
2261 | ||
2262 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); | |
2263 | ||
2264 | ret = vino_queue_get_incoming(&vcs->fb_queue, &i); | |
2265 | if (ret == VINO_QUEUE_ERROR) { | |
2266 | dprintk("vino_queue_get_incoming() failed\n"); | |
2267 | return -EINVAL; | |
2268 | } | |
2269 | if (i == 0) { | |
2270 | /* no buffers to process */ | |
2271 | return 0; | |
2272 | } | |
2273 | ||
2274 | fb = vino_queue_peek(&vcs->fb_queue, &i); | |
2275 | if (fb == NULL) { | |
2276 | dprintk("vino_queue_peek() failed\n"); | |
2277 | return -EINVAL; | |
2278 | } | |
2279 | ||
2280 | spin_lock_irqsave(&fb->state_lock, flags); | |
2281 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) { | |
2282 | fb->state = VINO_FRAMEBUFFER_UNUSED; | |
2283 | vino_queue_transfer(&vcs->fb_queue); | |
2284 | vino_queue_remove(&vcs->fb_queue, &i); | |
2285 | /* we should actually discard the newest frame, | |
2286 | * but who cares ... */ | |
2287 | } | |
2288 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2289 | ||
2290 | return 0; | |
2291 | } | |
a637a114 LM |
2292 | #endif |
2293 | ||
2294 | static void vino_skip_frame(struct vino_channel_settings *vcs) | |
2295 | { | |
2296 | struct vino_framebuffer *fb; | |
2297 | unsigned long flags; | |
2298 | unsigned int id; | |
2299 | ||
2300 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2301 | fb = vino_queue_peek(&vcs->fb_queue, &id); | |
2302 | if (!fb) { | |
2303 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2304 | dprintk("vino_skip_frame(): vino_queue_peek() failed!\n"); | |
2305 | return; | |
2306 | } | |
2307 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2308 | ||
2309 | spin_lock_irqsave(&fb->state_lock, flags); | |
2310 | fb->state = VINO_FRAMEBUFFER_UNUSED; | |
2311 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2312 | ||
2313 | vino_capture_next(vcs, 0); | |
2314 | } | |
d203a7ec | 2315 | |
a637a114 | 2316 | static void vino_frame_done(struct vino_channel_settings *vcs) |
d203a7ec RB |
2317 | { |
2318 | struct vino_framebuffer *fb; | |
2319 | unsigned long flags; | |
2320 | ||
2321 | spin_lock_irqsave(&vcs->capture_lock, flags); | |
2322 | fb = vino_queue_transfer(&vcs->fb_queue); | |
2323 | if (!fb) { | |
2324 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2325 | dprintk("vino_frame_done(): vino_queue_transfer() failed!\n"); | |
2326 | return; | |
2327 | } | |
2328 | spin_unlock_irqrestore(&vcs->capture_lock, flags); | |
2329 | ||
a637a114 LM |
2330 | fb->frame_counter = vcs->int_data.frame_counter; |
2331 | memcpy(&fb->timestamp, &vcs->int_data.timestamp, | |
2332 | sizeof(struct timeval)); | |
d203a7ec RB |
2333 | |
2334 | spin_lock_irqsave(&fb->state_lock, flags); | |
2335 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) | |
2336 | fb->state = VINO_FRAMEBUFFER_READY; | |
2337 | spin_unlock_irqrestore(&fb->state_lock, flags); | |
2338 | ||
2339 | wake_up(&vcs->fb_queue.frame_wait_queue); | |
2340 | ||
2341 | vino_capture_next(vcs, 0); | |
2342 | } | |
2343 | ||
a637a114 LM |
2344 | static void vino_capture_tasklet(unsigned long channel) { |
2345 | struct vino_channel_settings *vcs; | |
2346 | ||
2347 | vcs = (channel == VINO_CHANNEL_A) | |
2348 | ? &vino_drvdata->a : &vino_drvdata->b; | |
2349 | ||
2350 | if (vcs->int_data.skip) | |
2351 | vcs->int_data.skip_count++; | |
2352 | ||
2353 | if (vcs->int_data.skip && (vcs->int_data.skip_count | |
2354 | <= VINO_MAX_FRAME_SKIP_COUNT)) { | |
2355 | vino_skip_frame(vcs); | |
2356 | } else { | |
2357 | vcs->int_data.skip_count = 0; | |
2358 | vino_frame_done(vcs); | |
2359 | } | |
2360 | } | |
2361 | ||
7d12e780 | 2362 | static irqreturn_t vino_interrupt(int irq, void *dev_id) |
d203a7ec | 2363 | { |
a637a114 | 2364 | u32 ctrl, intr; |
d203a7ec | 2365 | unsigned int fc_a, fc_b; |
a637a114 LM |
2366 | int handled_a = 0, skip_a = 0, done_a = 0; |
2367 | int handled_b = 0, skip_b = 0, done_b = 0; | |
2368 | ||
2369 | #ifdef VINO_DEBUG_INT | |
2370 | int loop = 0; | |
2371 | unsigned int line_count = vino->a.line_count, | |
2372 | page_index = vino->a.page_index, | |
2373 | field_counter = vino->a.field_counter, | |
2374 | start_desc_tbl = vino->a.start_desc_tbl, | |
2375 | next_4_desc = vino->a.next_4_desc; | |
2376 | unsigned int line_count_2, | |
2377 | page_index_2, | |
2378 | field_counter_2, | |
2379 | start_desc_tbl_2, | |
2380 | next_4_desc_2; | |
2381 | #endif | |
d203a7ec RB |
2382 | |
2383 | spin_lock(&vino_drvdata->vino_lock); | |
2384 | ||
a637a114 LM |
2385 | while ((intr = vino->intr_status)) { |
2386 | fc_a = vino->a.field_counter >> 1; | |
2387 | fc_b = vino->b.field_counter >> 1; | |
2388 | ||
2389 | /* handle error-interrupts in some special way ? | |
2390 | * --> skips frames */ | |
2391 | if (intr & VINO_INTSTAT_A) { | |
2392 | if (intr & VINO_INTSTAT_A_EOF) { | |
2393 | vino_drvdata->a.field++; | |
2394 | if (vino_drvdata->a.field > 1) { | |
2395 | vino_dma_stop(&vino_drvdata->a); | |
2396 | vino_clear_interrupt(&vino_drvdata->a); | |
2397 | vino_drvdata->a.field = 0; | |
2398 | done_a = 1; | |
2399 | } else { | |
2400 | if (vino->a.page_index | |
2401 | != vino_drvdata->a.line_size) { | |
2402 | vino->a.line_count = 0; | |
2403 | vino->a.page_index = | |
2404 | vino_drvdata-> | |
2405 | a.line_size; | |
2406 | vino->a.next_4_desc = | |
2407 | vino->a.start_desc_tbl; | |
2408 | } | |
2409 | } | |
2410 | dprintk("channel A end-of-field " | |
2411 | "interrupt: %04x\n", intr); | |
2412 | } else { | |
d203a7ec RB |
2413 | vino_dma_stop(&vino_drvdata->a); |
2414 | vino_clear_interrupt(&vino_drvdata->a); | |
2415 | vino_drvdata->a.field = 0; | |
a637a114 LM |
2416 | skip_a = 1; |
2417 | dprintk("channel A error interrupt: %04x\n", | |
2418 | intr); | |
d203a7ec | 2419 | } |
a637a114 LM |
2420 | |
2421 | #ifdef VINO_DEBUG_INT | |
2422 | line_count_2 = vino->a.line_count; | |
2423 | page_index_2 = vino->a.page_index; | |
2424 | field_counter_2 = vino->a.field_counter; | |
2425 | start_desc_tbl_2 = vino->a.start_desc_tbl; | |
2426 | next_4_desc_2 = vino->a.next_4_desc; | |
2427 | ||
2428 | printk("intr = %04x, loop = %d, field = %d\n", | |
2429 | intr, loop, vino_drvdata->a.field); | |
2430 | printk("1- line count = %04d, page index = %04d, " | |
2431 | "start = %08x, next = %08x\n" | |
2432 | " fieldc = %d, framec = %d\n", | |
2433 | line_count, page_index, start_desc_tbl, | |
2434 | next_4_desc, field_counter, fc_a); | |
2435 | printk("12-line count = %04d, page index = %04d, " | |
2436 | " start = %08x, next = %08x\n", | |
2437 | line_count_2, page_index_2, start_desc_tbl_2, | |
2438 | next_4_desc_2); | |
2439 | ||
2440 | if (done_a) | |
2441 | printk("\n"); | |
2442 | #endif | |
d203a7ec | 2443 | } |
a637a114 LM |
2444 | |
2445 | if (intr & VINO_INTSTAT_B) { | |
2446 | if (intr & VINO_INTSTAT_B_EOF) { | |
2447 | vino_drvdata->b.field++; | |
2448 | if (vino_drvdata->b.field > 1) { | |
2449 | vino_dma_stop(&vino_drvdata->b); | |
2450 | vino_clear_interrupt(&vino_drvdata->b); | |
2451 | vino_drvdata->b.field = 0; | |
2452 | done_b = 1; | |
2453 | } | |
2454 | dprintk("channel B end-of-field " | |
2455 | "interrupt: %04x\n", intr); | |
2456 | } else { | |
d203a7ec RB |
2457 | vino_dma_stop(&vino_drvdata->b); |
2458 | vino_clear_interrupt(&vino_drvdata->b); | |
2459 | vino_drvdata->b.field = 0; | |
a637a114 LM |
2460 | skip_b = 1; |
2461 | dprintk("channel B error interrupt: %04x\n", | |
2462 | intr); | |
d203a7ec | 2463 | } |
d203a7ec | 2464 | } |
d203a7ec | 2465 | |
a637a114 LM |
2466 | /* Always remember to clear interrupt status. |
2467 | * Disable VINO interrupts while we do this. */ | |
2468 | ctrl = vino->control; | |
2469 | vino->control = ctrl & ~(VINO_CTRL_A_INT | VINO_CTRL_B_INT); | |
2470 | vino->intr_status = ~intr; | |
2471 | vino->control = ctrl; | |
d203a7ec | 2472 | |
a637a114 | 2473 | spin_unlock(&vino_drvdata->vino_lock); |
d203a7ec | 2474 | |
a637a114 LM |
2475 | if ((!handled_a) && (done_a || skip_a)) { |
2476 | if (!skip_a) { | |
8e6057b5 SA |
2477 | v4l2_get_timestamp( |
2478 | &vino_drvdata->a.int_data.timestamp); | |
a637a114 LM |
2479 | vino_drvdata->a.int_data.frame_counter = fc_a; |
2480 | } | |
2481 | vino_drvdata->a.int_data.skip = skip_a; | |
2482 | ||
2483 | dprintk("channel A %s, interrupt: %d\n", | |
2484 | skip_a ? "skipping frame" : "frame done", | |
2485 | intr); | |
2486 | tasklet_hi_schedule(&vino_tasklet_a); | |
2487 | handled_a = 1; | |
2488 | } | |
2489 | ||
2490 | if ((!handled_b) && (done_b || skip_b)) { | |
2491 | if (!skip_b) { | |
8e6057b5 SA |
2492 | v4l2_get_timestamp( |
2493 | &vino_drvdata->b.int_data.timestamp); | |
a637a114 LM |
2494 | vino_drvdata->b.int_data.frame_counter = fc_b; |
2495 | } | |
2496 | vino_drvdata->b.int_data.skip = skip_b; | |
2497 | ||
2498 | dprintk("channel B %s, interrupt: %d\n", | |
2499 | skip_b ? "skipping frame" : "frame done", | |
2500 | intr); | |
2501 | tasklet_hi_schedule(&vino_tasklet_b); | |
2502 | handled_b = 1; | |
2503 | } | |
2504 | ||
2505 | #ifdef VINO_DEBUG_INT | |
2506 | loop++; | |
2507 | #endif | |
2508 | spin_lock(&vino_drvdata->vino_lock); | |
d203a7ec RB |
2509 | } |
2510 | ||
a637a114 LM |
2511 | spin_unlock(&vino_drvdata->vino_lock); |
2512 | ||
d203a7ec RB |
2513 | return IRQ_HANDLED; |
2514 | } | |
2515 | ||
2516 | /* VINO video input management */ | |
2517 | ||
2518 | static int vino_get_saa7191_input(int input) | |
2519 | { | |
2520 | switch (input) { | |
2521 | case VINO_INPUT_COMPOSITE: | |
2522 | return SAA7191_INPUT_COMPOSITE; | |
2523 | case VINO_INPUT_SVIDEO: | |
2524 | return SAA7191_INPUT_SVIDEO; | |
2525 | default: | |
2526 | printk(KERN_ERR "VINO: vino_get_saa7191_input(): " | |
2527 | "invalid input!\n"); | |
2528 | return -1; | |
2529 | } | |
2530 | } | |
2531 | ||
d203a7ec RB |
2532 | /* execute with input_lock locked */ |
2533 | static int vino_is_input_owner(struct vino_channel_settings *vcs) | |
2534 | { | |
2535 | switch(vcs->input) { | |
2536 | case VINO_INPUT_COMPOSITE: | |
2537 | case VINO_INPUT_SVIDEO: | |
48f4dacb | 2538 | return vino_drvdata->decoder_owner == vcs->channel; |
d203a7ec | 2539 | case VINO_INPUT_D1: |
48f4dacb | 2540 | return vino_drvdata->camera_owner == vcs->channel; |
d203a7ec RB |
2541 | default: |
2542 | return 0; | |
2543 | } | |
2544 | } | |
2545 | ||
2546 | static int vino_acquire_input(struct vino_channel_settings *vcs) | |
2547 | { | |
a637a114 | 2548 | unsigned long flags; |
d203a7ec RB |
2549 | int ret = 0; |
2550 | ||
2551 | dprintk("vino_acquire_input():\n"); | |
2552 | ||
a637a114 | 2553 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2554 | |
2555 | /* First try D1 and then SAA7191 */ | |
48f4dacb HV |
2556 | if (vino_drvdata->camera |
2557 | && (vino_drvdata->camera_owner == VINO_NO_CHANNEL)) { | |
2558 | vino_drvdata->camera_owner = vcs->channel; | |
d203a7ec RB |
2559 | vcs->input = VINO_INPUT_D1; |
2560 | vcs->data_norm = VINO_DATA_NORM_D1; | |
48f4dacb HV |
2561 | } else if (vino_drvdata->decoder |
2562 | && (vino_drvdata->decoder_owner == VINO_NO_CHANNEL)) { | |
cf4e9484 | 2563 | int input; |
f9ac50c2 | 2564 | int data_norm = 0; |
cf4e9484 | 2565 | v4l2_std_id norm; |
d203a7ec | 2566 | |
a637a114 LM |
2567 | input = VINO_INPUT_COMPOSITE; |
2568 | ||
5325b427 HV |
2569 | ret = decoder_call(video, s_routing, |
2570 | vino_get_saa7191_input(input), 0, 0); | |
a637a114 LM |
2571 | if (ret) { |
2572 | ret = -EINVAL; | |
2573 | goto out; | |
2574 | } | |
2575 | ||
2576 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec | 2577 | |
a637a114 LM |
2578 | /* Don't hold spinlocks while auto-detecting norm |
2579 | * as it may take a while... */ | |
d203a7ec | 2580 | |
48f4dacb | 2581 | ret = decoder_call(video, querystd, &norm); |
cf4e9484 HV |
2582 | if (!ret) { |
2583 | for (data_norm = 0; data_norm < 3; data_norm++) { | |
2584 | if (vino_data_norms[data_norm].std & norm) | |
2585 | break; | |
2586 | } | |
2587 | if (data_norm == 3) | |
2588 | data_norm = VINO_DATA_NORM_PAL; | |
8774bed9 | 2589 | ret = decoder_call(video, s_std, norm); |
a637a114 LM |
2590 | } |
2591 | ||
2592 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); | |
2593 | ||
2594 | if (ret) { | |
2595 | ret = -EINVAL; | |
2596 | goto out; | |
2597 | } | |
2598 | ||
48f4dacb | 2599 | vino_drvdata->decoder_owner = vcs->channel; |
a637a114 LM |
2600 | |
2601 | vcs->input = input; | |
2602 | vcs->data_norm = data_norm; | |
d203a7ec RB |
2603 | } else { |
2604 | vcs->input = (vcs->channel == VINO_CHANNEL_A) ? | |
2605 | vino_drvdata->b.input : vino_drvdata->a.input; | |
2606 | vcs->data_norm = (vcs->channel == VINO_CHANNEL_A) ? | |
2607 | vino_drvdata->b.data_norm : vino_drvdata->a.data_norm; | |
2608 | } | |
2609 | ||
2610 | if (vcs->input == VINO_INPUT_NONE) { | |
2611 | ret = -ENODEV; | |
2612 | goto out; | |
2613 | } | |
2614 | ||
a637a114 LM |
2615 | vino_set_default_clipping(vcs); |
2616 | vino_set_default_scaling(vcs); | |
2617 | vino_set_default_framerate(vcs); | |
d203a7ec RB |
2618 | |
2619 | dprintk("vino_acquire_input(): %s\n", vino_inputs[vcs->input].name); | |
2620 | ||
2621 | out: | |
a637a114 | 2622 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2623 | |
2624 | return ret; | |
2625 | } | |
2626 | ||
2627 | static int vino_set_input(struct vino_channel_settings *vcs, int input) | |
2628 | { | |
2629 | struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? | |
2630 | &vino_drvdata->b : &vino_drvdata->a; | |
a637a114 | 2631 | unsigned long flags; |
d203a7ec RB |
2632 | int ret = 0; |
2633 | ||
2634 | dprintk("vino_set_input():\n"); | |
2635 | ||
a637a114 | 2636 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2637 | |
2638 | if (vcs->input == input) | |
2639 | goto out; | |
2640 | ||
a637a114 | 2641 | switch (input) { |
d203a7ec RB |
2642 | case VINO_INPUT_COMPOSITE: |
2643 | case VINO_INPUT_SVIDEO: | |
48f4dacb | 2644 | if (!vino_drvdata->decoder) { |
d203a7ec RB |
2645 | ret = -EINVAL; |
2646 | goto out; | |
2647 | } | |
2648 | ||
48f4dacb HV |
2649 | if (vino_drvdata->decoder_owner == VINO_NO_CHANNEL) { |
2650 | vino_drvdata->decoder_owner = vcs->channel; | |
d203a7ec RB |
2651 | } |
2652 | ||
48f4dacb | 2653 | if (vino_drvdata->decoder_owner == vcs->channel) { |
f9ac50c2 | 2654 | int data_norm = 0; |
cf4e9484 | 2655 | v4l2_std_id norm; |
d203a7ec | 2656 | |
5325b427 HV |
2657 | ret = decoder_call(video, s_routing, |
2658 | vino_get_saa7191_input(input), 0, 0); | |
a637a114 | 2659 | if (ret) { |
48f4dacb | 2660 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
a637a114 LM |
2661 | ret = -EINVAL; |
2662 | goto out; | |
2663 | } | |
2664 | ||
2665 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
2666 | ||
2667 | /* Don't hold spinlocks while auto-detecting norm | |
2668 | * as it may take a while... */ | |
2669 | ||
48f4dacb | 2670 | ret = decoder_call(video, querystd, &norm); |
cf4e9484 HV |
2671 | if (!ret) { |
2672 | for (data_norm = 0; data_norm < 3; data_norm++) { | |
2673 | if (vino_data_norms[data_norm].std & norm) | |
2674 | break; | |
2675 | } | |
2676 | if (data_norm == 3) | |
2677 | data_norm = VINO_DATA_NORM_PAL; | |
8774bed9 | 2678 | ret = decoder_call(video, s_std, norm); |
a637a114 | 2679 | } |
d203a7ec | 2680 | |
a637a114 LM |
2681 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
2682 | ||
2683 | if (ret) { | |
48f4dacb | 2684 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
a637a114 LM |
2685 | ret = -EINVAL; |
2686 | goto out; | |
2687 | } | |
2688 | ||
2689 | vcs->input = input; | |
2690 | vcs->data_norm = data_norm; | |
d203a7ec | 2691 | } else { |
a637a114 | 2692 | if (input != vcs2->input) { |
d203a7ec RB |
2693 | ret = -EBUSY; |
2694 | goto out; | |
2695 | } | |
2696 | ||
2697 | vcs->input = input; | |
2698 | vcs->data_norm = vcs2->data_norm; | |
2699 | } | |
2700 | ||
48f4dacb | 2701 | if (vino_drvdata->camera_owner == vcs->channel) { |
d203a7ec RB |
2702 | /* Transfer the ownership or release the input */ |
2703 | if (vcs2->input == VINO_INPUT_D1) { | |
48f4dacb | 2704 | vino_drvdata->camera_owner = vcs2->channel; |
d203a7ec | 2705 | } else { |
48f4dacb | 2706 | vino_drvdata->camera_owner = VINO_NO_CHANNEL; |
d203a7ec RB |
2707 | } |
2708 | } | |
2709 | break; | |
2710 | case VINO_INPUT_D1: | |
48f4dacb | 2711 | if (!vino_drvdata->camera) { |
d203a7ec RB |
2712 | ret = -EINVAL; |
2713 | goto out; | |
2714 | } | |
2715 | ||
48f4dacb HV |
2716 | if (vino_drvdata->camera_owner == VINO_NO_CHANNEL) |
2717 | vino_drvdata->camera_owner = vcs->channel; | |
d203a7ec | 2718 | |
48f4dacb | 2719 | if (vino_drvdata->decoder_owner == vcs->channel) { |
d203a7ec RB |
2720 | /* Transfer the ownership or release the input */ |
2721 | if ((vcs2->input == VINO_INPUT_COMPOSITE) || | |
2722 | (vcs2->input == VINO_INPUT_SVIDEO)) { | |
48f4dacb | 2723 | vino_drvdata->decoder_owner = vcs2->channel; |
d203a7ec | 2724 | } else { |
48f4dacb | 2725 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
d203a7ec RB |
2726 | } |
2727 | } | |
2728 | ||
2729 | vcs->input = input; | |
2730 | vcs->data_norm = VINO_DATA_NORM_D1; | |
2731 | break; | |
2732 | default: | |
2733 | ret = -EINVAL; | |
2734 | goto out; | |
2735 | } | |
2736 | ||
2737 | vino_set_default_clipping(vcs); | |
a637a114 | 2738 | vino_set_default_scaling(vcs); |
d203a7ec RB |
2739 | vino_set_default_framerate(vcs); |
2740 | ||
2741 | dprintk("vino_set_input(): %s\n", vino_inputs[vcs->input].name); | |
2742 | ||
2743 | out: | |
a637a114 | 2744 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2745 | |
2746 | return ret; | |
2747 | } | |
2748 | ||
2749 | static void vino_release_input(struct vino_channel_settings *vcs) | |
2750 | { | |
2751 | struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? | |
2752 | &vino_drvdata->b : &vino_drvdata->a; | |
a637a114 | 2753 | unsigned long flags; |
d203a7ec RB |
2754 | |
2755 | dprintk("vino_release_input():\n"); | |
2756 | ||
a637a114 | 2757 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2758 | |
2759 | /* Release ownership of the channel | |
2760 | * and if the other channel takes input from | |
2761 | * the same source, transfer the ownership */ | |
48f4dacb | 2762 | if (vino_drvdata->camera_owner == vcs->channel) { |
d203a7ec | 2763 | if (vcs2->input == VINO_INPUT_D1) { |
48f4dacb | 2764 | vino_drvdata->camera_owner = vcs2->channel; |
d203a7ec | 2765 | } else { |
48f4dacb | 2766 | vino_drvdata->camera_owner = VINO_NO_CHANNEL; |
d203a7ec | 2767 | } |
48f4dacb | 2768 | } else if (vino_drvdata->decoder_owner == vcs->channel) { |
d203a7ec RB |
2769 | if ((vcs2->input == VINO_INPUT_COMPOSITE) || |
2770 | (vcs2->input == VINO_INPUT_SVIDEO)) { | |
48f4dacb | 2771 | vino_drvdata->decoder_owner = vcs2->channel; |
d203a7ec | 2772 | } else { |
48f4dacb | 2773 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
d203a7ec RB |
2774 | } |
2775 | } | |
2776 | vcs->input = VINO_INPUT_NONE; | |
2777 | ||
a637a114 | 2778 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2779 | } |
2780 | ||
2781 | /* execute with input_lock locked */ | |
2782 | static int vino_set_data_norm(struct vino_channel_settings *vcs, | |
a637a114 LM |
2783 | unsigned int data_norm, |
2784 | unsigned long *flags) | |
d203a7ec | 2785 | { |
a637a114 LM |
2786 | int err = 0; |
2787 | ||
2788 | if (data_norm == vcs->data_norm) | |
2789 | return 0; | |
d203a7ec RB |
2790 | |
2791 | switch (vcs->input) { | |
2792 | case VINO_INPUT_D1: | |
2793 | /* only one "norm" supported */ | |
cf4e9484 | 2794 | if (data_norm != VINO_DATA_NORM_D1) |
d203a7ec RB |
2795 | return -EINVAL; |
2796 | break; | |
2797 | case VINO_INPUT_COMPOSITE: | |
a637a114 | 2798 | case VINO_INPUT_SVIDEO: { |
cf4e9484 HV |
2799 | v4l2_std_id norm; |
2800 | ||
a637a114 LM |
2801 | if ((data_norm != VINO_DATA_NORM_PAL) |
2802 | && (data_norm != VINO_DATA_NORM_NTSC) | |
cf4e9484 | 2803 | && (data_norm != VINO_DATA_NORM_SECAM)) |
a637a114 | 2804 | return -EINVAL; |
d203a7ec | 2805 | |
a637a114 LM |
2806 | spin_unlock_irqrestore(&vino_drvdata->input_lock, *flags); |
2807 | ||
2808 | /* Don't hold spinlocks while setting norm | |
2809 | * as it may take a while... */ | |
2810 | ||
cf4e9484 | 2811 | norm = vino_data_norms[data_norm].std; |
8774bed9 | 2812 | err = decoder_call(video, s_std, norm); |
a637a114 LM |
2813 | |
2814 | spin_lock_irqsave(&vino_drvdata->input_lock, *flags); | |
2815 | ||
2816 | if (err) | |
2817 | goto out; | |
d203a7ec | 2818 | |
d203a7ec | 2819 | vcs->data_norm = data_norm; |
a637a114 LM |
2820 | |
2821 | vino_set_default_clipping(vcs); | |
2822 | vino_set_default_scaling(vcs); | |
2823 | vino_set_default_framerate(vcs); | |
d203a7ec | 2824 | break; |
a637a114 | 2825 | } |
d203a7ec RB |
2826 | default: |
2827 | return -EINVAL; | |
2828 | } | |
2829 | ||
a637a114 LM |
2830 | out: |
2831 | return err; | |
d203a7ec RB |
2832 | } |
2833 | ||
2834 | /* V4L2 helper functions */ | |
2835 | ||
2836 | static int vino_find_data_format(__u32 pixelformat) | |
2837 | { | |
2838 | int i; | |
2839 | ||
2840 | for (i = 0; i < VINO_DATA_FMT_COUNT; i++) { | |
2841 | if (vino_data_formats[i].pixelformat == pixelformat) | |
2842 | return i; | |
2843 | } | |
2844 | ||
2845 | return VINO_DATA_FMT_NONE; | |
2846 | } | |
2847 | ||
c49cb361 | 2848 | static int vino_int_enum_input(struct vino_channel_settings *vcs, __u32 index) |
d203a7ec RB |
2849 | { |
2850 | int input = VINO_INPUT_NONE; | |
a637a114 | 2851 | unsigned long flags; |
d203a7ec | 2852 | |
a637a114 | 2853 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
48f4dacb | 2854 | if (vino_drvdata->decoder && vino_drvdata->camera) { |
d203a7ec RB |
2855 | switch (index) { |
2856 | case 0: | |
2857 | input = VINO_INPUT_COMPOSITE; | |
2858 | break; | |
2859 | case 1: | |
2860 | input = VINO_INPUT_SVIDEO; | |
2861 | break; | |
2862 | case 2: | |
2863 | input = VINO_INPUT_D1; | |
2864 | break; | |
2865 | } | |
48f4dacb | 2866 | } else if (vino_drvdata->decoder) { |
d203a7ec RB |
2867 | switch (index) { |
2868 | case 0: | |
2869 | input = VINO_INPUT_COMPOSITE; | |
2870 | break; | |
2871 | case 1: | |
2872 | input = VINO_INPUT_SVIDEO; | |
2873 | break; | |
2874 | } | |
48f4dacb | 2875 | } else if (vino_drvdata->camera) { |
d203a7ec RB |
2876 | switch (index) { |
2877 | case 0: | |
2878 | input = VINO_INPUT_D1; | |
2879 | break; | |
2880 | } | |
2881 | } | |
a637a114 | 2882 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2883 | |
2884 | return input; | |
2885 | } | |
2886 | ||
2887 | /* execute with input_lock locked */ | |
2888 | static __u32 vino_find_input_index(struct vino_channel_settings *vcs) | |
2889 | { | |
2890 | __u32 index = 0; | |
2891 | // FIXME: detect when no inputs available | |
2892 | ||
48f4dacb | 2893 | if (vino_drvdata->decoder && vino_drvdata->camera) { |
d203a7ec RB |
2894 | switch (vcs->input) { |
2895 | case VINO_INPUT_COMPOSITE: | |
2896 | index = 0; | |
2897 | break; | |
2898 | case VINO_INPUT_SVIDEO: | |
2899 | index = 1; | |
2900 | break; | |
2901 | case VINO_INPUT_D1: | |
2902 | index = 2; | |
2903 | break; | |
2904 | } | |
48f4dacb | 2905 | } else if (vino_drvdata->decoder) { |
d203a7ec RB |
2906 | switch (vcs->input) { |
2907 | case VINO_INPUT_COMPOSITE: | |
2908 | index = 0; | |
2909 | break; | |
2910 | case VINO_INPUT_SVIDEO: | |
2911 | index = 1; | |
2912 | break; | |
2913 | } | |
48f4dacb | 2914 | } else if (vino_drvdata->camera) { |
d203a7ec RB |
2915 | switch (vcs->input) { |
2916 | case VINO_INPUT_D1: | |
2917 | index = 0; | |
2918 | break; | |
2919 | } | |
2920 | } | |
2921 | ||
2922 | return index; | |
2923 | } | |
2924 | ||
2925 | /* V4L2 ioctls */ | |
2926 | ||
c49cb361 HV |
2927 | static int vino_querycap(struct file *file, void *__fh, |
2928 | struct v4l2_capability *cap) | |
d203a7ec RB |
2929 | { |
2930 | memset(cap, 0, sizeof(struct v4l2_capability)); | |
2931 | ||
2932 | strcpy(cap->driver, vino_driver_name); | |
2933 | strcpy(cap->card, vino_driver_description); | |
2934 | strcpy(cap->bus_info, vino_bus_name); | |
d203a7ec RB |
2935 | cap->capabilities = |
2936 | V4L2_CAP_VIDEO_CAPTURE | | |
2937 | V4L2_CAP_STREAMING; | |
2938 | // V4L2_CAP_OVERLAY, V4L2_CAP_READWRITE | |
c49cb361 | 2939 | return 0; |
d203a7ec RB |
2940 | } |
2941 | ||
c49cb361 | 2942 | static int vino_enum_input(struct file *file, void *__fh, |
d203a7ec RB |
2943 | struct v4l2_input *i) |
2944 | { | |
c49cb361 | 2945 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
2946 | __u32 index = i->index; |
2947 | int input; | |
2948 | dprintk("requested index = %d\n", index); | |
2949 | ||
c49cb361 | 2950 | input = vino_int_enum_input(vcs, index); |
d203a7ec RB |
2951 | if (input == VINO_INPUT_NONE) |
2952 | return -EINVAL; | |
2953 | ||
d203a7ec RB |
2954 | i->type = V4L2_INPUT_TYPE_CAMERA; |
2955 | i->std = vino_inputs[input].std; | |
2956 | strcpy(i->name, vino_inputs[input].name); | |
2957 | ||
cf4e9484 | 2958 | if (input == VINO_INPUT_COMPOSITE || input == VINO_INPUT_SVIDEO) |
48f4dacb | 2959 | decoder_call(video, g_input_status, &i->status); |
d203a7ec RB |
2960 | return 0; |
2961 | } | |
2962 | ||
c49cb361 | 2963 | static int vino_g_input(struct file *file, void *__fh, |
a637a114 | 2964 | unsigned int *i) |
d203a7ec | 2965 | { |
c49cb361 | 2966 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
2967 | __u32 index; |
2968 | int input; | |
a637a114 | 2969 | unsigned long flags; |
d203a7ec | 2970 | |
a637a114 | 2971 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2972 | input = vcs->input; |
2973 | index = vino_find_input_index(vcs); | |
a637a114 | 2974 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
2975 | |
2976 | dprintk("input = %d\n", input); | |
2977 | ||
2978 | if (input == VINO_INPUT_NONE) { | |
2979 | return -EINVAL; | |
2980 | } | |
2981 | ||
a637a114 | 2982 | *i = index; |
d203a7ec RB |
2983 | |
2984 | return 0; | |
2985 | } | |
2986 | ||
c49cb361 HV |
2987 | static int vino_s_input(struct file *file, void *__fh, |
2988 | unsigned int i) | |
d203a7ec | 2989 | { |
c49cb361 | 2990 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 2991 | int input; |
c49cb361 | 2992 | dprintk("requested input = %d\n", i); |
d203a7ec | 2993 | |
c49cb361 | 2994 | input = vino_int_enum_input(vcs, i); |
d203a7ec RB |
2995 | if (input == VINO_INPUT_NONE) |
2996 | return -EINVAL; | |
2997 | ||
2998 | return vino_set_input(vcs, input); | |
2999 | } | |
3000 | ||
c49cb361 | 3001 | static int vino_querystd(struct file *file, void *__fh, |
a637a114 LM |
3002 | v4l2_std_id *std) |
3003 | { | |
c49cb361 | 3004 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3005 | unsigned long flags; |
3006 | int err = 0; | |
3007 | ||
3008 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); | |
3009 | ||
3010 | switch (vcs->input) { | |
3011 | case VINO_INPUT_D1: | |
3012 | *std = vino_inputs[vcs->input].std; | |
3013 | break; | |
3014 | case VINO_INPUT_COMPOSITE: | |
3015 | case VINO_INPUT_SVIDEO: { | |
48f4dacb | 3016 | decoder_call(video, querystd, std); |
a637a114 LM |
3017 | break; |
3018 | } | |
3019 | default: | |
3020 | err = -EINVAL; | |
3021 | } | |
3022 | ||
3023 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
3024 | ||
3025 | return err; | |
3026 | } | |
3027 | ||
c49cb361 | 3028 | static int vino_g_std(struct file *file, void *__fh, |
d203a7ec RB |
3029 | v4l2_std_id *std) |
3030 | { | |
c49cb361 | 3031 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3032 | unsigned long flags; |
3033 | ||
3034 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); | |
3035 | ||
d203a7ec | 3036 | *std = vino_data_norms[vcs->data_norm].std; |
a637a114 LM |
3037 | dprintk("current standard = %d\n", vcs->data_norm); |
3038 | ||
3039 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3040 | |
3041 | return 0; | |
3042 | } | |
3043 | ||
c49cb361 | 3044 | static int vino_s_std(struct file *file, void *__fh, |
314527ac | 3045 | v4l2_std_id std) |
d203a7ec | 3046 | { |
c49cb361 | 3047 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3048 | unsigned long flags; |
d203a7ec RB |
3049 | int ret = 0; |
3050 | ||
a637a114 LM |
3051 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3052 | ||
3053 | if (!vino_is_input_owner(vcs)) { | |
3054 | ret = -EBUSY; | |
3055 | goto out; | |
3056 | } | |
d203a7ec RB |
3057 | |
3058 | /* check if the standard is valid for the current input */ | |
314527ac | 3059 | if (std & vino_inputs[vcs->input].std) { |
d203a7ec RB |
3060 | dprintk("standard accepted\n"); |
3061 | ||
3062 | /* change the video norm for SAA7191 | |
3063 | * and accept NTSC for D1 (do nothing) */ | |
3064 | ||
3065 | if (vcs->input == VINO_INPUT_D1) | |
3066 | goto out; | |
3067 | ||
314527ac | 3068 | if (std & V4L2_STD_PAL) { |
a637a114 LM |
3069 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_PAL, |
3070 | &flags); | |
314527ac | 3071 | } else if (std & V4L2_STD_NTSC) { |
a637a114 LM |
3072 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC, |
3073 | &flags); | |
314527ac | 3074 | } else if (std & V4L2_STD_SECAM) { |
a637a114 LM |
3075 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM, |
3076 | &flags); | |
d203a7ec RB |
3077 | } else { |
3078 | ret = -EINVAL; | |
3079 | } | |
a637a114 LM |
3080 | |
3081 | if (ret) { | |
3082 | ret = -EINVAL; | |
3083 | } | |
d203a7ec RB |
3084 | } else { |
3085 | ret = -EINVAL; | |
3086 | } | |
3087 | ||
3088 | out: | |
a637a114 | 3089 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3090 | |
3091 | return ret; | |
3092 | } | |
3093 | ||
c49cb361 | 3094 | static int vino_enum_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3095 | struct v4l2_fmtdesc *fd) |
3096 | { | |
4f5a7444 | 3097 | dprintk("format index = %d\n", fd->index); |
c49cb361 | 3098 | |
4f5a7444 | 3099 | if (fd->index >= VINO_DATA_FMT_COUNT) |
d203a7ec | 3100 | return -EINVAL; |
4f5a7444 TP |
3101 | dprintk("format name = %s\n", vino_data_formats[fd->index].description); |
3102 | ||
3103 | fd->pixelformat = vino_data_formats[fd->index].pixelformat; | |
3104 | strcpy(fd->description, vino_data_formats[fd->index].description); | |
d203a7ec RB |
3105 | return 0; |
3106 | } | |
3107 | ||
c49cb361 | 3108 | static int vino_try_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3109 | struct v4l2_format *f) |
3110 | { | |
c49cb361 | 3111 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 3112 | struct vino_channel_settings tempvcs; |
a637a114 | 3113 | unsigned long flags; |
c49cb361 | 3114 | struct v4l2_pix_format *pf = &f->fmt.pix; |
d203a7ec | 3115 | |
c49cb361 HV |
3116 | dprintk("requested: w = %d, h = %d\n", |
3117 | pf->width, pf->height); | |
d203a7ec | 3118 | |
c49cb361 HV |
3119 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3120 | memcpy(&tempvcs, vcs, sizeof(struct vino_channel_settings)); | |
3121 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec | 3122 | |
c49cb361 HV |
3123 | tempvcs.data_format = vino_find_data_format(pf->pixelformat); |
3124 | if (tempvcs.data_format == VINO_DATA_FMT_NONE) { | |
3125 | tempvcs.data_format = VINO_DATA_FMT_GREY; | |
3126 | pf->pixelformat = | |
3127 | vino_data_formats[tempvcs.data_format]. | |
3128 | pixelformat; | |
3129 | } | |
d203a7ec | 3130 | |
c49cb361 HV |
3131 | /* data format must be set before clipping/scaling */ |
3132 | vino_set_scaling(&tempvcs, pf->width, pf->height); | |
d203a7ec | 3133 | |
c49cb361 HV |
3134 | dprintk("data format = %s\n", |
3135 | vino_data_formats[tempvcs.data_format].description); | |
d203a7ec | 3136 | |
c49cb361 HV |
3137 | pf->width = (tempvcs.clipping.right - tempvcs.clipping.left) / |
3138 | tempvcs.decimation; | |
3139 | pf->height = (tempvcs.clipping.bottom - tempvcs.clipping.top) / | |
3140 | tempvcs.decimation; | |
d203a7ec | 3141 | |
c49cb361 HV |
3142 | pf->field = V4L2_FIELD_INTERLACED; |
3143 | pf->bytesperline = tempvcs.line_size; | |
3144 | pf->sizeimage = tempvcs.line_size * | |
3145 | (tempvcs.clipping.bottom - tempvcs.clipping.top) / | |
3146 | tempvcs.decimation; | |
3147 | pf->colorspace = | |
3148 | vino_data_formats[tempvcs.data_format].colorspace; | |
d203a7ec RB |
3149 | |
3150 | return 0; | |
3151 | } | |
3152 | ||
c49cb361 | 3153 | static int vino_g_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3154 | struct v4l2_format *f) |
3155 | { | |
c49cb361 | 3156 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3157 | unsigned long flags; |
c49cb361 | 3158 | struct v4l2_pix_format *pf = &f->fmt.pix; |
a637a114 | 3159 | |
c49cb361 | 3160 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3161 | |
c49cb361 HV |
3162 | pf->width = (vcs->clipping.right - vcs->clipping.left) / |
3163 | vcs->decimation; | |
3164 | pf->height = (vcs->clipping.bottom - vcs->clipping.top) / | |
3165 | vcs->decimation; | |
3166 | pf->pixelformat = | |
3167 | vino_data_formats[vcs->data_format].pixelformat; | |
d203a7ec | 3168 | |
c49cb361 HV |
3169 | pf->field = V4L2_FIELD_INTERLACED; |
3170 | pf->bytesperline = vcs->line_size; | |
3171 | pf->sizeimage = vcs->line_size * | |
3172 | (vcs->clipping.bottom - vcs->clipping.top) / | |
3173 | vcs->decimation; | |
3174 | pf->colorspace = | |
3175 | vino_data_formats[vcs->data_format].colorspace; | |
d203a7ec | 3176 | |
c49cb361 | 3177 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3178 | return 0; |
3179 | } | |
3180 | ||
c49cb361 | 3181 | static int vino_s_fmt_vid_cap(struct file *file, void *__fh, |
d203a7ec RB |
3182 | struct v4l2_format *f) |
3183 | { | |
c49cb361 | 3184 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 3185 | int data_format; |
a637a114 | 3186 | unsigned long flags; |
c49cb361 | 3187 | struct v4l2_pix_format *pf = &f->fmt.pix; |
d203a7ec | 3188 | |
c49cb361 | 3189 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
a637a114 | 3190 | |
c49cb361 | 3191 | data_format = vino_find_data_format(pf->pixelformat); |
d203a7ec | 3192 | |
c49cb361 HV |
3193 | if (data_format == VINO_DATA_FMT_NONE) { |
3194 | vcs->data_format = VINO_DATA_FMT_GREY; | |
3195 | pf->pixelformat = | |
3196 | vino_data_formats[vcs->data_format]. | |
3197 | pixelformat; | |
3198 | } else { | |
3199 | vcs->data_format = data_format; | |
3200 | } | |
d203a7ec | 3201 | |
c49cb361 HV |
3202 | /* data format must be set before clipping/scaling */ |
3203 | vino_set_scaling(vcs, pf->width, pf->height); | |
d203a7ec | 3204 | |
c49cb361 HV |
3205 | dprintk("data format = %s\n", |
3206 | vino_data_formats[vcs->data_format].description); | |
d203a7ec | 3207 | |
c49cb361 HV |
3208 | pf->width = vcs->clipping.right - vcs->clipping.left; |
3209 | pf->height = vcs->clipping.bottom - vcs->clipping.top; | |
d203a7ec | 3210 | |
c49cb361 HV |
3211 | pf->field = V4L2_FIELD_INTERLACED; |
3212 | pf->bytesperline = vcs->line_size; | |
3213 | pf->sizeimage = vcs->line_size * | |
3214 | (vcs->clipping.bottom - vcs->clipping.top) / | |
3215 | vcs->decimation; | |
3216 | pf->colorspace = | |
3217 | vino_data_formats[vcs->data_format].colorspace; | |
d203a7ec | 3218 | |
c49cb361 | 3219 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3220 | return 0; |
3221 | } | |
3222 | ||
c49cb361 | 3223 | static int vino_cropcap(struct file *file, void *__fh, |
d203a7ec RB |
3224 | struct v4l2_cropcap *ccap) |
3225 | { | |
c49cb361 | 3226 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec | 3227 | const struct vino_data_norm *norm; |
a637a114 | 3228 | unsigned long flags; |
d203a7ec RB |
3229 | |
3230 | switch (ccap->type) { | |
3231 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
a637a114 LM |
3232 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3233 | ||
d203a7ec | 3234 | norm = &vino_data_norms[vcs->data_norm]; |
a637a114 LM |
3235 | |
3236 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3237 | |
3238 | ccap->bounds.left = 0; | |
3239 | ccap->bounds.top = 0; | |
3240 | ccap->bounds.width = norm->width; | |
3241 | ccap->bounds.height = norm->height; | |
3242 | memcpy(&ccap->defrect, &ccap->bounds, | |
3243 | sizeof(struct v4l2_rect)); | |
3244 | ||
3245 | ccap->pixelaspect.numerator = 1; | |
3246 | ccap->pixelaspect.denominator = 1; | |
3247 | break; | |
3248 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
3249 | default: | |
3250 | return -EINVAL; | |
3251 | } | |
3252 | ||
3253 | return 0; | |
3254 | } | |
3255 | ||
c49cb361 | 3256 | static int vino_g_crop(struct file *file, void *__fh, |
d203a7ec RB |
3257 | struct v4l2_crop *c) |
3258 | { | |
c49cb361 | 3259 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3260 | unsigned long flags; |
3261 | ||
d203a7ec RB |
3262 | switch (c->type) { |
3263 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
a637a114 | 3264 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3265 | |
3266 | c->c.left = vcs->clipping.left; | |
3267 | c->c.top = vcs->clipping.top; | |
3268 | c->c.width = vcs->clipping.right - vcs->clipping.left; | |
3269 | c->c.height = vcs->clipping.bottom - vcs->clipping.top; | |
3270 | ||
a637a114 | 3271 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3272 | break; |
3273 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
3274 | default: | |
3275 | return -EINVAL; | |
3276 | } | |
3277 | ||
3278 | return 0; | |
3279 | } | |
3280 | ||
c49cb361 | 3281 | static int vino_s_crop(struct file *file, void *__fh, |
4f996594 | 3282 | const struct v4l2_crop *c) |
d203a7ec | 3283 | { |
c49cb361 | 3284 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3285 | unsigned long flags; |
3286 | ||
d203a7ec RB |
3287 | switch (c->type) { |
3288 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
a637a114 | 3289 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3290 | |
d203a7ec RB |
3291 | vino_set_clipping(vcs, c->c.left, c->c.top, |
3292 | c->c.width, c->c.height); | |
3293 | ||
a637a114 | 3294 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3295 | break; |
3296 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
3297 | default: | |
3298 | return -EINVAL; | |
3299 | } | |
3300 | ||
3301 | return 0; | |
3302 | } | |
3303 | ||
c49cb361 | 3304 | static int vino_g_parm(struct file *file, void *__fh, |
d203a7ec RB |
3305 | struct v4l2_streamparm *sp) |
3306 | { | |
c49cb361 | 3307 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3308 | unsigned long flags; |
4f5a7444 | 3309 | struct v4l2_captureparm *cp = &sp->parm.capture; |
a637a114 | 3310 | |
4f5a7444 TP |
3311 | cp->capability = V4L2_CAP_TIMEPERFRAME; |
3312 | cp->timeperframe.numerator = 1; | |
d203a7ec | 3313 | |
4f5a7444 | 3314 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3315 | |
4f5a7444 | 3316 | cp->timeperframe.denominator = vcs->fps; |
a637a114 | 3317 | |
4f5a7444 | 3318 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
a637a114 | 3319 | |
4f5a7444 | 3320 | /* TODO: cp->readbuffers = xxx; */ |
d203a7ec RB |
3321 | |
3322 | return 0; | |
3323 | } | |
3324 | ||
c49cb361 | 3325 | static int vino_s_parm(struct file *file, void *__fh, |
d203a7ec RB |
3326 | struct v4l2_streamparm *sp) |
3327 | { | |
c49cb361 | 3328 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3329 | unsigned long flags; |
4f5a7444 | 3330 | struct v4l2_captureparm *cp = &sp->parm.capture; |
a637a114 | 3331 | |
4f5a7444 | 3332 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec | 3333 | |
4f5a7444 TP |
3334 | if ((cp->timeperframe.numerator == 0) || |
3335 | (cp->timeperframe.denominator == 0)) { | |
3336 | /* reset framerate */ | |
3337 | vino_set_default_framerate(vcs); | |
3338 | } else { | |
3339 | vino_set_framerate(vcs, cp->timeperframe.denominator / | |
3340 | cp->timeperframe.numerator); | |
d203a7ec RB |
3341 | } |
3342 | ||
4f5a7444 TP |
3343 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
3344 | ||
d203a7ec RB |
3345 | return 0; |
3346 | } | |
3347 | ||
c49cb361 | 3348 | static int vino_reqbufs(struct file *file, void *__fh, |
d203a7ec RB |
3349 | struct v4l2_requestbuffers *rb) |
3350 | { | |
c49cb361 | 3351 | struct vino_channel_settings *vcs = video_drvdata(file); |
4f5a7444 | 3352 | |
d203a7ec RB |
3353 | if (vcs->reading) |
3354 | return -EBUSY; | |
3355 | ||
4f5a7444 TP |
3356 | /* TODO: check queue type */ |
3357 | if (rb->memory != V4L2_MEMORY_MMAP) { | |
3358 | dprintk("type not mmap\n"); | |
3359 | return -EINVAL; | |
3360 | } | |
d203a7ec | 3361 | |
4f5a7444 TP |
3362 | dprintk("count = %d\n", rb->count); |
3363 | if (rb->count > 0) { | |
3364 | if (vino_is_capturing(vcs)) { | |
3365 | dprintk("busy, capturing\n"); | |
3366 | return -EBUSY; | |
3367 | } | |
a637a114 | 3368 | |
4f5a7444 TP |
3369 | if (vino_queue_has_mapped_buffers(&vcs->fb_queue)) { |
3370 | dprintk("busy, buffers still mapped\n"); | |
3371 | return -EBUSY; | |
d203a7ec | 3372 | } else { |
a637a114 | 3373 | vcs->streaming = 0; |
d203a7ec | 3374 | vino_queue_free(&vcs->fb_queue); |
4f5a7444 | 3375 | vino_queue_init(&vcs->fb_queue, &rb->count); |
d203a7ec | 3376 | } |
4f5a7444 TP |
3377 | } else { |
3378 | vcs->streaming = 0; | |
3379 | vino_capture_stop(vcs); | |
3380 | vino_queue_free(&vcs->fb_queue); | |
d203a7ec RB |
3381 | } |
3382 | ||
3383 | return 0; | |
3384 | } | |
3385 | ||
3386 | static void vino_v4l2_get_buffer_status(struct vino_channel_settings *vcs, | |
3387 | struct vino_framebuffer *fb, | |
3388 | struct v4l2_buffer *b) | |
3389 | { | |
3390 | if (vino_queue_outgoing_contains(&vcs->fb_queue, | |
3391 | fb->id)) { | |
3392 | b->flags &= ~V4L2_BUF_FLAG_QUEUED; | |
3393 | b->flags |= V4L2_BUF_FLAG_DONE; | |
3394 | } else if (vino_queue_incoming_contains(&vcs->fb_queue, | |
3395 | fb->id)) { | |
3396 | b->flags &= ~V4L2_BUF_FLAG_DONE; | |
3397 | b->flags |= V4L2_BUF_FLAG_QUEUED; | |
3398 | } else { | |
3399 | b->flags &= ~(V4L2_BUF_FLAG_DONE | | |
3400 | V4L2_BUF_FLAG_QUEUED); | |
3401 | } | |
3402 | ||
3403 | b->flags &= ~(V4L2_BUF_FLAG_TIMECODE); | |
3404 | ||
3405 | if (fb->map_count > 0) | |
3406 | b->flags |= V4L2_BUF_FLAG_MAPPED; | |
3407 | ||
1b18e7a0 SA |
3408 | b->flags &= ~V4L2_BUF_FLAG_TIMESTAMP_MASK; |
3409 | b->flags |= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
3410 | ||
d203a7ec RB |
3411 | b->index = fb->id; |
3412 | b->memory = (vcs->fb_queue.type == VINO_MEMORY_MMAP) ? | |
3413 | V4L2_MEMORY_MMAP : V4L2_MEMORY_USERPTR; | |
3414 | b->m.offset = fb->offset; | |
3415 | b->bytesused = fb->data_size; | |
3416 | b->length = fb->size; | |
3417 | b->field = V4L2_FIELD_INTERLACED; | |
3418 | b->sequence = fb->frame_counter; | |
3419 | memcpy(&b->timestamp, &fb->timestamp, | |
3420 | sizeof(struct timeval)); | |
3421 | // b->input ? | |
3422 | ||
3423 | dprintk("buffer %d: length = %d, bytesused = %d, offset = %d\n", | |
3424 | fb->id, fb->size, fb->data_size, fb->offset); | |
3425 | } | |
3426 | ||
c49cb361 | 3427 | static int vino_querybuf(struct file *file, void *__fh, |
d203a7ec RB |
3428 | struct v4l2_buffer *b) |
3429 | { | |
c49cb361 | 3430 | struct vino_channel_settings *vcs = video_drvdata(file); |
4f5a7444 TP |
3431 | struct vino_framebuffer *fb; |
3432 | ||
d203a7ec RB |
3433 | if (vcs->reading) |
3434 | return -EBUSY; | |
3435 | ||
4f5a7444 TP |
3436 | /* TODO: check queue type */ |
3437 | if (b->index >= vino_queue_get_length(&vcs->fb_queue)) { | |
3438 | dprintk("invalid index = %d\n", | |
3439 | b->index); | |
3440 | return -EINVAL; | |
d203a7ec | 3441 | } |
4f5a7444 TP |
3442 | |
3443 | fb = vino_queue_get_buffer(&vcs->fb_queue, | |
3444 | b->index); | |
3445 | if (fb == NULL) { | |
3446 | dprintk("vino_queue_get_buffer() failed"); | |
d203a7ec RB |
3447 | return -EINVAL; |
3448 | } | |
3449 | ||
4f5a7444 TP |
3450 | vino_v4l2_get_buffer_status(vcs, fb, b); |
3451 | ||
d203a7ec RB |
3452 | return 0; |
3453 | } | |
3454 | ||
c49cb361 | 3455 | static int vino_qbuf(struct file *file, void *__fh, |
d203a7ec RB |
3456 | struct v4l2_buffer *b) |
3457 | { | |
c49cb361 | 3458 | struct vino_channel_settings *vcs = video_drvdata(file); |
4f5a7444 TP |
3459 | struct vino_framebuffer *fb; |
3460 | int ret; | |
3461 | ||
d203a7ec RB |
3462 | if (vcs->reading) |
3463 | return -EBUSY; | |
3464 | ||
4f5a7444 TP |
3465 | /* TODO: check queue type */ |
3466 | if (b->memory != V4L2_MEMORY_MMAP) { | |
3467 | dprintk("type not mmap\n"); | |
3468 | return -EINVAL; | |
3469 | } | |
d203a7ec | 3470 | |
4f5a7444 TP |
3471 | fb = vino_capture_enqueue(vcs, b->index); |
3472 | if (fb == NULL) | |
3473 | return -EINVAL; | |
d203a7ec | 3474 | |
4f5a7444 | 3475 | vino_v4l2_get_buffer_status(vcs, fb, b); |
d203a7ec | 3476 | |
4f5a7444 TP |
3477 | if (vcs->streaming) { |
3478 | ret = vino_capture_next(vcs, 1); | |
3479 | if (ret) | |
3480 | return ret; | |
d203a7ec RB |
3481 | } |
3482 | ||
3483 | return 0; | |
3484 | } | |
3485 | ||
c49cb361 HV |
3486 | static int vino_dqbuf(struct file *file, void *__fh, |
3487 | struct v4l2_buffer *b) | |
d203a7ec | 3488 | { |
c49cb361 HV |
3489 | struct vino_channel_settings *vcs = video_drvdata(file); |
3490 | unsigned int nonblocking = file->f_flags & O_NONBLOCK; | |
4f5a7444 TP |
3491 | struct vino_framebuffer *fb; |
3492 | unsigned int incoming, outgoing; | |
3493 | int err; | |
3494 | ||
d203a7ec RB |
3495 | if (vcs->reading) |
3496 | return -EBUSY; | |
3497 | ||
4f5a7444 | 3498 | /* TODO: check queue type */ |
d203a7ec | 3499 | |
4f5a7444 TP |
3500 | err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); |
3501 | if (err) { | |
3502 | dprintk("vino_queue_get_incoming() failed\n"); | |
3503 | return -EINVAL; | |
3504 | } | |
3505 | err = vino_queue_get_outgoing(&vcs->fb_queue, &outgoing); | |
3506 | if (err) { | |
3507 | dprintk("vino_queue_get_outgoing() failed\n"); | |
3508 | return -EINVAL; | |
3509 | } | |
d203a7ec | 3510 | |
4f5a7444 TP |
3511 | dprintk("incoming = %d, outgoing = %d\n", incoming, outgoing); |
3512 | ||
3513 | if (outgoing == 0) { | |
3514 | if (incoming == 0) { | |
3515 | dprintk("no incoming or outgoing buffers\n"); | |
a637a114 | 3516 | return -EINVAL; |
d203a7ec | 3517 | } |
4f5a7444 TP |
3518 | if (nonblocking) { |
3519 | dprintk("non-blocking I/O was selected and " | |
3520 | "there are no buffers to dequeue\n"); | |
3521 | return -EAGAIN; | |
d203a7ec RB |
3522 | } |
3523 | ||
4f5a7444 TP |
3524 | err = vino_wait_for_frame(vcs); |
3525 | if (err) { | |
d203a7ec RB |
3526 | err = vino_wait_for_frame(vcs); |
3527 | if (err) { | |
4f5a7444 TP |
3528 | /* interrupted or no frames captured because of |
3529 | * frame skipping */ | |
3530 | /* vino_capture_failed(vcs); */ | |
3531 | return -EIO; | |
d203a7ec RB |
3532 | } |
3533 | } | |
4f5a7444 | 3534 | } |
d203a7ec | 3535 | |
4f5a7444 TP |
3536 | fb = vino_queue_remove(&vcs->fb_queue, &b->index); |
3537 | if (fb == NULL) { | |
3538 | dprintk("vino_queue_remove() failed\n"); | |
3539 | return -EINVAL; | |
3540 | } | |
a637a114 | 3541 | |
4f5a7444 | 3542 | err = vino_check_buffer(vcs, fb); |
a637a114 | 3543 | |
4f5a7444 | 3544 | vino_v4l2_get_buffer_status(vcs, fb, b); |
d203a7ec | 3545 | |
4f5a7444 TP |
3546 | if (err) |
3547 | return -EIO; | |
d203a7ec RB |
3548 | |
3549 | return 0; | |
3550 | } | |
3551 | ||
c49cb361 HV |
3552 | static int vino_streamon(struct file *file, void *__fh, |
3553 | enum v4l2_buf_type i) | |
d203a7ec | 3554 | { |
c49cb361 | 3555 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3556 | unsigned int incoming; |
3557 | int ret; | |
3558 | if (vcs->reading) | |
3559 | return -EBUSY; | |
3560 | ||
3561 | if (vcs->streaming) | |
3562 | return 0; | |
3563 | ||
3564 | // TODO: check queue type | |
3565 | ||
3566 | if (vino_queue_get_length(&vcs->fb_queue) < 1) { | |
3567 | dprintk("no buffers allocated\n"); | |
3568 | return -EINVAL; | |
3569 | } | |
3570 | ||
3571 | ret = vino_queue_get_incoming(&vcs->fb_queue, &incoming); | |
3572 | if (ret) { | |
3573 | dprintk("vino_queue_get_incoming() failed\n"); | |
3574 | return -EINVAL; | |
3575 | } | |
3576 | ||
3577 | vcs->streaming = 1; | |
3578 | ||
3579 | if (incoming > 0) { | |
3580 | ret = vino_capture_next(vcs, 1); | |
3581 | if (ret) { | |
3582 | vcs->streaming = 0; | |
3583 | ||
3584 | dprintk("couldn't start capture\n"); | |
3585 | return -EINVAL; | |
3586 | } | |
3587 | } | |
3588 | ||
3589 | return 0; | |
3590 | } | |
3591 | ||
c49cb361 HV |
3592 | static int vino_streamoff(struct file *file, void *__fh, |
3593 | enum v4l2_buf_type i) | |
d203a7ec | 3594 | { |
c49cb361 | 3595 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3596 | if (vcs->reading) |
3597 | return -EBUSY; | |
3598 | ||
3599 | if (!vcs->streaming) | |
3600 | return 0; | |
3601 | ||
d203a7ec | 3602 | vcs->streaming = 0; |
a637a114 | 3603 | vino_capture_stop(vcs); |
d203a7ec RB |
3604 | |
3605 | return 0; | |
3606 | } | |
3607 | ||
c49cb361 | 3608 | static int vino_queryctrl(struct file *file, void *__fh, |
d203a7ec RB |
3609 | struct v4l2_queryctrl *queryctrl) |
3610 | { | |
c49cb361 | 3611 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3612 | unsigned long flags; |
d203a7ec RB |
3613 | int i; |
3614 | int err = 0; | |
3615 | ||
a637a114 | 3616 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3617 | |
3618 | switch (vcs->input) { | |
3619 | case VINO_INPUT_D1: | |
3620 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { | |
3621 | if (vino_indycam_v4l2_controls[i].id == | |
3622 | queryctrl->id) { | |
3623 | memcpy(queryctrl, | |
3624 | &vino_indycam_v4l2_controls[i], | |
3625 | sizeof(struct v4l2_queryctrl)); | |
a637a114 | 3626 | queryctrl->reserved[0] = 0; |
d203a7ec RB |
3627 | goto found; |
3628 | } | |
3629 | } | |
3630 | ||
3631 | err = -EINVAL; | |
3632 | break; | |
3633 | case VINO_INPUT_COMPOSITE: | |
3634 | case VINO_INPUT_SVIDEO: | |
3635 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { | |
3636 | if (vino_saa7191_v4l2_controls[i].id == | |
3637 | queryctrl->id) { | |
3638 | memcpy(queryctrl, | |
3639 | &vino_saa7191_v4l2_controls[i], | |
3640 | sizeof(struct v4l2_queryctrl)); | |
a637a114 | 3641 | queryctrl->reserved[0] = 0; |
d203a7ec RB |
3642 | goto found; |
3643 | } | |
3644 | } | |
3645 | ||
3646 | err = -EINVAL; | |
3647 | break; | |
3648 | default: | |
3649 | err = -EINVAL; | |
3650 | } | |
3651 | ||
3652 | found: | |
a637a114 | 3653 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3654 | |
3655 | return err; | |
3656 | } | |
3657 | ||
c49cb361 | 3658 | static int vino_g_ctrl(struct file *file, void *__fh, |
d203a7ec RB |
3659 | struct v4l2_control *control) |
3660 | { | |
c49cb361 | 3661 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 LM |
3662 | unsigned long flags; |
3663 | int i; | |
d203a7ec RB |
3664 | int err = 0; |
3665 | ||
a637a114 | 3666 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
d203a7ec RB |
3667 | |
3668 | switch (vcs->input) { | |
a637a114 | 3669 | case VINO_INPUT_D1: { |
cf4e9484 | 3670 | err = -EINVAL; |
a637a114 | 3671 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3672 | if (vino_indycam_v4l2_controls[i].id == control->id) { |
3673 | err = 0; | |
3674 | break; | |
a637a114 LM |
3675 | } |
3676 | } | |
3677 | ||
cf4e9484 | 3678 | if (err) |
a637a114 | 3679 | goto out; |
a637a114 | 3680 | |
48f4dacb | 3681 | err = camera_call(core, g_ctrl, control); |
cf4e9484 HV |
3682 | if (err) |
3683 | err = -EINVAL; | |
d203a7ec | 3684 | break; |
a637a114 | 3685 | } |
d203a7ec | 3686 | case VINO_INPUT_COMPOSITE: |
a637a114 | 3687 | case VINO_INPUT_SVIDEO: { |
cf4e9484 | 3688 | err = -EINVAL; |
a637a114 | 3689 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3690 | if (vino_saa7191_v4l2_controls[i].id == control->id) { |
3691 | err = 0; | |
3692 | break; | |
a637a114 LM |
3693 | } |
3694 | } | |
3695 | ||
cf4e9484 | 3696 | if (err) |
a637a114 | 3697 | goto out; |
a637a114 | 3698 | |
48f4dacb | 3699 | err = decoder_call(core, g_ctrl, control); |
cf4e9484 HV |
3700 | if (err) |
3701 | err = -EINVAL; | |
d203a7ec | 3702 | break; |
a637a114 | 3703 | } |
d203a7ec RB |
3704 | default: |
3705 | err = -EINVAL; | |
3706 | } | |
3707 | ||
a637a114 LM |
3708 | out: |
3709 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3710 | |
3711 | return err; | |
3712 | } | |
3713 | ||
c49cb361 | 3714 | static int vino_s_ctrl(struct file *file, void *__fh, |
d203a7ec RB |
3715 | struct v4l2_control *control) |
3716 | { | |
c49cb361 | 3717 | struct vino_channel_settings *vcs = video_drvdata(file); |
a637a114 | 3718 | unsigned long flags; |
d203a7ec RB |
3719 | int i; |
3720 | int err = 0; | |
3721 | ||
a637a114 LM |
3722 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
3723 | ||
3724 | if (!vino_is_input_owner(vcs)) { | |
3725 | err = -EBUSY; | |
3726 | goto out; | |
3727 | } | |
d203a7ec RB |
3728 | |
3729 | switch (vcs->input) { | |
a637a114 | 3730 | case VINO_INPUT_D1: { |
cf4e9484 | 3731 | err = -EINVAL; |
d203a7ec | 3732 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3733 | if (vino_indycam_v4l2_controls[i].id == control->id) { |
3734 | err = 0; | |
3735 | break; | |
d203a7ec RB |
3736 | } |
3737 | } | |
cf4e9484 HV |
3738 | if (err) |
3739 | goto out; | |
3740 | if (control->value < vino_indycam_v4l2_controls[i].minimum || | |
3741 | control->value > vino_indycam_v4l2_controls[i].maximum) { | |
3742 | err = -ERANGE; | |
3743 | goto out; | |
3744 | } | |
48f4dacb | 3745 | err = camera_call(core, s_ctrl, control); |
a637a114 LM |
3746 | if (err) |
3747 | err = -EINVAL; | |
d203a7ec | 3748 | break; |
a637a114 | 3749 | } |
d203a7ec | 3750 | case VINO_INPUT_COMPOSITE: |
a637a114 | 3751 | case VINO_INPUT_SVIDEO: { |
cf4e9484 | 3752 | err = -EINVAL; |
d203a7ec | 3753 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
cf4e9484 HV |
3754 | if (vino_saa7191_v4l2_controls[i].id == control->id) { |
3755 | err = 0; | |
3756 | break; | |
d203a7ec RB |
3757 | } |
3758 | } | |
cf4e9484 HV |
3759 | if (err) |
3760 | goto out; | |
3761 | if (control->value < vino_saa7191_v4l2_controls[i].minimum || | |
3762 | control->value > vino_saa7191_v4l2_controls[i].maximum) { | |
3763 | err = -ERANGE; | |
3764 | goto out; | |
3765 | } | |
d203a7ec | 3766 | |
48f4dacb | 3767 | err = decoder_call(core, s_ctrl, control); |
a637a114 LM |
3768 | if (err) |
3769 | err = -EINVAL; | |
d203a7ec | 3770 | break; |
a637a114 | 3771 | } |
d203a7ec RB |
3772 | default: |
3773 | err = -EINVAL; | |
3774 | } | |
3775 | ||
a637a114 LM |
3776 | out: |
3777 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); | |
d203a7ec RB |
3778 | |
3779 | return err; | |
3780 | } | |
3781 | ||
3782 | /* File operations */ | |
3783 | ||
bec43661 | 3784 | static int vino_open(struct file *file) |
d203a7ec | 3785 | { |
c170ecf4 | 3786 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3787 | int ret = 0; |
3788 | dprintk("open(): channel = %c\n", | |
3789 | (vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B'); | |
3790 | ||
3593cab5 | 3791 | mutex_lock(&vcs->mutex); |
d203a7ec RB |
3792 | |
3793 | if (vcs->users) { | |
3794 | dprintk("open(): driver busy\n"); | |
3795 | ret = -EBUSY; | |
3796 | goto out; | |
3797 | } | |
3798 | ||
3799 | ret = vino_acquire_input(vcs); | |
3800 | if (ret) { | |
3801 | dprintk("open(): vino_acquire_input() failed\n"); | |
3802 | goto out; | |
3803 | } | |
3804 | ||
3805 | vcs->users++; | |
3806 | ||
3807 | out: | |
3593cab5 | 3808 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
3809 | |
3810 | dprintk("open(): %s!\n", ret ? "failed" : "complete"); | |
3811 | ||
3812 | return ret; | |
3813 | } | |
3814 | ||
bec43661 | 3815 | static int vino_close(struct file *file) |
d203a7ec | 3816 | { |
c170ecf4 | 3817 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3818 | dprintk("close():\n"); |
3819 | ||
3593cab5 | 3820 | mutex_lock(&vcs->mutex); |
d203a7ec RB |
3821 | |
3822 | vcs->users--; | |
3823 | ||
3824 | if (!vcs->users) { | |
3825 | vino_release_input(vcs); | |
3826 | ||
3827 | /* stop DMA and free buffers */ | |
3828 | vino_capture_stop(vcs); | |
3829 | vino_queue_free(&vcs->fb_queue); | |
3830 | } | |
3831 | ||
3593cab5 | 3832 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
3833 | |
3834 | return 0; | |
3835 | } | |
3836 | ||
3837 | static void vino_vm_open(struct vm_area_struct *vma) | |
3838 | { | |
3839 | struct vino_framebuffer *fb = vma->vm_private_data; | |
3840 | ||
3841 | fb->map_count++; | |
3842 | dprintk("vino_vm_open(): count = %d\n", fb->map_count); | |
3843 | } | |
3844 | ||
3845 | static void vino_vm_close(struct vm_area_struct *vma) | |
3846 | { | |
3847 | struct vino_framebuffer *fb = vma->vm_private_data; | |
3848 | ||
3849 | fb->map_count--; | |
3850 | dprintk("vino_vm_close(): count = %d\n", fb->map_count); | |
3851 | } | |
3852 | ||
f0f37e2f | 3853 | static const struct vm_operations_struct vino_vm_ops = { |
d203a7ec RB |
3854 | .open = vino_vm_open, |
3855 | .close = vino_vm_close, | |
3856 | }; | |
3857 | ||
3858 | static int vino_mmap(struct file *file, struct vm_area_struct *vma) | |
3859 | { | |
c170ecf4 | 3860 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3861 | |
3862 | unsigned long start = vma->vm_start; | |
3863 | unsigned long size = vma->vm_end - vma->vm_start; | |
3864 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; | |
3865 | ||
3866 | struct vino_framebuffer *fb = NULL; | |
3867 | unsigned int i, length; | |
3868 | int ret = 0; | |
3869 | ||
3870 | dprintk("mmap():\n"); | |
3871 | ||
3872 | // TODO: reject mmap if already mapped | |
3873 | ||
3593cab5 | 3874 | if (mutex_lock_interruptible(&vcs->mutex)) |
d203a7ec RB |
3875 | return -EINTR; |
3876 | ||
3877 | if (vcs->reading) { | |
3878 | ret = -EBUSY; | |
3879 | goto out; | |
3880 | } | |
3881 | ||
3882 | // TODO: check queue type | |
3883 | ||
3884 | if (!(vma->vm_flags & VM_WRITE)) { | |
3885 | dprintk("mmap(): app bug: PROT_WRITE please\n"); | |
3886 | ret = -EINVAL; | |
3887 | goto out; | |
3888 | } | |
3889 | if (!(vma->vm_flags & VM_SHARED)) { | |
3890 | dprintk("mmap(): app bug: MAP_SHARED please\n"); | |
3891 | ret = -EINVAL; | |
3892 | goto out; | |
3893 | } | |
3894 | ||
3895 | /* find the correct buffer using offset */ | |
3896 | length = vino_queue_get_length(&vcs->fb_queue); | |
3897 | if (length == 0) { | |
3898 | dprintk("mmap(): queue not initialized\n"); | |
3899 | ret = -EINVAL; | |
3900 | goto out; | |
3901 | } | |
3902 | ||
3903 | for (i = 0; i < length; i++) { | |
3904 | fb = vino_queue_get_buffer(&vcs->fb_queue, i); | |
3905 | if (fb == NULL) { | |
3906 | dprintk("mmap(): vino_queue_get_buffer() failed\n"); | |
3907 | ret = -EINVAL; | |
3908 | goto out; | |
3909 | } | |
3910 | ||
3911 | if (fb->offset == offset) | |
3912 | goto found; | |
3913 | } | |
3914 | ||
3915 | dprintk("mmap(): invalid offset = %lu\n", offset); | |
3916 | ret = -EINVAL; | |
3917 | goto out; | |
3918 | ||
3919 | found: | |
3920 | dprintk("mmap(): buffer = %d\n", i); | |
3921 | ||
3922 | if (size > (fb->desc_table.page_count * PAGE_SIZE)) { | |
3923 | dprintk("mmap(): failed: size = %lu > %lu\n", | |
3924 | size, fb->desc_table.page_count * PAGE_SIZE); | |
3925 | ret = -EINVAL; | |
3926 | goto out; | |
3927 | } | |
3928 | ||
3929 | for (i = 0; i < fb->desc_table.page_count; i++) { | |
3930 | unsigned long pfn = | |
3931 | virt_to_phys((void *)fb->desc_table.virtual[i]) >> | |
3932 | PAGE_SHIFT; | |
3933 | ||
3934 | if (size < PAGE_SIZE) | |
3935 | break; | |
3936 | ||
3937 | // protection was: PAGE_READONLY | |
3938 | if (remap_pfn_range(vma, start, pfn, PAGE_SIZE, | |
3939 | vma->vm_page_prot)) { | |
3940 | dprintk("mmap(): remap_pfn_range() failed\n"); | |
3941 | ret = -EAGAIN; | |
3942 | goto out; | |
3943 | } | |
3944 | ||
3945 | start += PAGE_SIZE; | |
3946 | size -= PAGE_SIZE; | |
3947 | } | |
3948 | ||
3949 | fb->map_count = 1; | |
3950 | ||
314e51b9 | 3951 | vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; |
d203a7ec RB |
3952 | vma->vm_flags &= ~VM_IO; |
3953 | vma->vm_private_data = fb; | |
3954 | vma->vm_file = file; | |
3955 | vma->vm_ops = &vino_vm_ops; | |
3956 | ||
3957 | out: | |
3593cab5 | 3958 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
3959 | |
3960 | return ret; | |
3961 | } | |
3962 | ||
3963 | static unsigned int vino_poll(struct file *file, poll_table *pt) | |
3964 | { | |
c170ecf4 | 3965 | struct vino_channel_settings *vcs = video_drvdata(file); |
d203a7ec RB |
3966 | unsigned int outgoing; |
3967 | unsigned int ret = 0; | |
3968 | ||
3969 | // lock mutex (?) | |
3970 | // TODO: this has to be corrected for different read modes | |
3971 | ||
3972 | dprintk("poll():\n"); | |
3973 | ||
3974 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
3975 | dprintk("poll(): vino_queue_get_outgoing() failed\n"); | |
3976 | ret = POLLERR; | |
3977 | goto error; | |
3978 | } | |
3979 | if (outgoing > 0) | |
3980 | goto over; | |
3981 | ||
3982 | poll_wait(file, &vcs->fb_queue.frame_wait_queue, pt); | |
3983 | ||
3984 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { | |
3985 | dprintk("poll(): vino_queue_get_outgoing() failed\n"); | |
3986 | ret = POLLERR; | |
3987 | goto error; | |
3988 | } | |
3989 | ||
3990 | over: | |
3991 | dprintk("poll(): data %savailable\n", | |
3992 | (outgoing > 0) ? "" : "not "); | |
a637a114 LM |
3993 | |
3994 | if (outgoing > 0) | |
d203a7ec | 3995 | ret = POLLIN | POLLRDNORM; |
d203a7ec RB |
3996 | |
3997 | error: | |
d203a7ec RB |
3998 | return ret; |
3999 | } | |
4000 | ||
069b7479 | 4001 | static long vino_ioctl(struct file *file, |
d203a7ec RB |
4002 | unsigned int cmd, unsigned long arg) |
4003 | { | |
c170ecf4 | 4004 | struct vino_channel_settings *vcs = video_drvdata(file); |
069b7479 | 4005 | long ret; |
d203a7ec | 4006 | |
3593cab5 | 4007 | if (mutex_lock_interruptible(&vcs->mutex)) |
d203a7ec RB |
4008 | return -EINTR; |
4009 | ||
c49cb361 | 4010 | ret = video_ioctl2(file, cmd, arg); |
d203a7ec | 4011 | |
3593cab5 | 4012 | mutex_unlock(&vcs->mutex); |
d203a7ec RB |
4013 | |
4014 | return ret; | |
4015 | } | |
4016 | ||
4017 | /* Initialization and cleanup */ | |
4018 | ||
ff699e6b DSL |
4019 | /* __initdata */ |
4020 | static int vino_init_stage; | |
d203a7ec | 4021 | |
c49cb361 HV |
4022 | const struct v4l2_ioctl_ops vino_ioctl_ops = { |
4023 | .vidioc_enum_fmt_vid_cap = vino_enum_fmt_vid_cap, | |
4024 | .vidioc_g_fmt_vid_cap = vino_g_fmt_vid_cap, | |
4025 | .vidioc_s_fmt_vid_cap = vino_s_fmt_vid_cap, | |
4026 | .vidioc_try_fmt_vid_cap = vino_try_fmt_vid_cap, | |
4027 | .vidioc_querycap = vino_querycap, | |
4028 | .vidioc_enum_input = vino_enum_input, | |
4029 | .vidioc_g_input = vino_g_input, | |
4030 | .vidioc_s_input = vino_s_input, | |
4031 | .vidioc_g_std = vino_g_std, | |
4032 | .vidioc_s_std = vino_s_std, | |
4033 | .vidioc_querystd = vino_querystd, | |
4034 | .vidioc_cropcap = vino_cropcap, | |
4035 | .vidioc_s_crop = vino_s_crop, | |
4036 | .vidioc_g_crop = vino_g_crop, | |
4037 | .vidioc_s_parm = vino_s_parm, | |
4038 | .vidioc_g_parm = vino_g_parm, | |
4039 | .vidioc_reqbufs = vino_reqbufs, | |
4040 | .vidioc_querybuf = vino_querybuf, | |
4041 | .vidioc_qbuf = vino_qbuf, | |
4042 | .vidioc_dqbuf = vino_dqbuf, | |
4043 | .vidioc_streamon = vino_streamon, | |
4044 | .vidioc_streamoff = vino_streamoff, | |
4045 | .vidioc_queryctrl = vino_queryctrl, | |
4046 | .vidioc_g_ctrl = vino_g_ctrl, | |
4047 | .vidioc_s_ctrl = vino_s_ctrl, | |
4048 | }; | |
4049 | ||
bec43661 | 4050 | static const struct v4l2_file_operations vino_fops = { |
d203a7ec RB |
4051 | .owner = THIS_MODULE, |
4052 | .open = vino_open, | |
4053 | .release = vino_close, | |
28959638 | 4054 | .unlocked_ioctl = vino_ioctl, |
d203a7ec RB |
4055 | .mmap = vino_mmap, |
4056 | .poll = vino_poll, | |
d203a7ec RB |
4057 | }; |
4058 | ||
0ef4dbad | 4059 | static struct video_device vdev_template = { |
d203a7ec | 4060 | .name = "NOT SET", |
d203a7ec | 4061 | .fops = &vino_fops, |
c49cb361 HV |
4062 | .ioctl_ops = &vino_ioctl_ops, |
4063 | .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, | |
d203a7ec RB |
4064 | }; |
4065 | ||
4066 | static void vino_module_cleanup(int stage) | |
4067 | { | |
4068 | switch(stage) { | |
28959638 | 4069 | case 11: |
0ef4dbad HV |
4070 | video_unregister_device(vino_drvdata->b.vdev); |
4071 | vino_drvdata->b.vdev = NULL; | |
28959638 | 4072 | case 10: |
0ef4dbad HV |
4073 | video_unregister_device(vino_drvdata->a.vdev); |
4074 | vino_drvdata->a.vdev = NULL; | |
28959638 | 4075 | case 9: |
cea0c681 | 4076 | i2c_del_adapter(&vino_i2c_adapter); |
28959638 | 4077 | case 8: |
d203a7ec | 4078 | free_irq(SGI_VINO_IRQ, NULL); |
28959638 | 4079 | case 7: |
0ef4dbad HV |
4080 | if (vino_drvdata->b.vdev) { |
4081 | video_device_release(vino_drvdata->b.vdev); | |
4082 | vino_drvdata->b.vdev = NULL; | |
d203a7ec | 4083 | } |
28959638 | 4084 | case 6: |
0ef4dbad HV |
4085 | if (vino_drvdata->a.vdev) { |
4086 | video_device_release(vino_drvdata->a.vdev); | |
4087 | vino_drvdata->a.vdev = NULL; | |
d203a7ec | 4088 | } |
28959638 | 4089 | case 5: |
d203a7ec RB |
4090 | /* all entries in dma_cpu dummy table have the same address */ |
4091 | dma_unmap_single(NULL, | |
4092 | vino_drvdata->dummy_desc_table.dma_cpu[0], | |
4093 | PAGE_SIZE, DMA_FROM_DEVICE); | |
4094 | dma_free_coherent(NULL, VINO_DUMMY_DESC_COUNT | |
4095 | * sizeof(dma_addr_t), | |
4096 | (void *)vino_drvdata-> | |
4097 | dummy_desc_table.dma_cpu, | |
4098 | vino_drvdata->dummy_desc_table.dma); | |
28959638 | 4099 | case 4: |
d203a7ec | 4100 | free_page(vino_drvdata->dummy_page); |
28959638 HV |
4101 | case 3: |
4102 | v4l2_device_unregister(&vino_drvdata->v4l2_dev); | |
d203a7ec RB |
4103 | case 2: |
4104 | kfree(vino_drvdata); | |
4105 | case 1: | |
4106 | iounmap(vino); | |
4107 | case 0: | |
4108 | break; | |
4109 | default: | |
4110 | dprintk("vino_module_cleanup(): invalid cleanup stage = %d\n", | |
4111 | stage); | |
4112 | } | |
4113 | } | |
4114 | ||
4115 | static int vino_probe(void) | |
4116 | { | |
4117 | unsigned long rev_id; | |
4118 | ||
4119 | if (ip22_is_fullhouse()) { | |
4120 | printk(KERN_ERR "VINO doesn't exist in IP22 Fullhouse\n"); | |
4121 | return -ENODEV; | |
4122 | } | |
4123 | ||
4124 | if (!(sgimc->systemid & SGIMC_SYSID_EPRESENT)) { | |
4125 | printk(KERN_ERR "VINO is not found (EISA BUS not present)\n"); | |
4126 | return -ENODEV; | |
4127 | } | |
4128 | ||
4129 | vino = (struct sgi_vino *)ioremap(VINO_BASE, sizeof(struct sgi_vino)); | |
4130 | if (!vino) { | |
4131 | printk(KERN_ERR "VINO: ioremap() failed\n"); | |
4132 | return -EIO; | |
4133 | } | |
4134 | vino_init_stage++; | |
4135 | ||
4136 | if (get_dbe(rev_id, &(vino->rev_id))) { | |
4137 | printk(KERN_ERR "Failed to read VINO revision register\n"); | |
4138 | vino_module_cleanup(vino_init_stage); | |
4139 | return -ENODEV; | |
4140 | } | |
4141 | ||
4142 | if (VINO_ID_VALUE(rev_id) != VINO_CHIP_ID) { | |
4143 | printk(KERN_ERR "Unknown VINO chip ID (Rev/ID: 0x%02lx)\n", | |
4144 | rev_id); | |
4145 | vino_module_cleanup(vino_init_stage); | |
4146 | return -ENODEV; | |
4147 | } | |
4148 | ||
a637a114 | 4149 | printk(KERN_INFO "VINO revision %ld found\n", VINO_REV_NUM(rev_id)); |
d203a7ec RB |
4150 | |
4151 | return 0; | |
4152 | } | |
4153 | ||
4154 | static int vino_init(void) | |
4155 | { | |
4156 | dma_addr_t dma_dummy_address; | |
28959638 | 4157 | int err; |
d203a7ec RB |
4158 | int i; |
4159 | ||
7408187d | 4160 | vino_drvdata = kzalloc(sizeof(struct vino_settings), GFP_KERNEL); |
d203a7ec RB |
4161 | if (!vino_drvdata) { |
4162 | vino_module_cleanup(vino_init_stage); | |
4163 | return -ENOMEM; | |
4164 | } | |
d203a7ec | 4165 | vino_init_stage++; |
28959638 HV |
4166 | strlcpy(vino_drvdata->v4l2_dev.name, "vino", |
4167 | sizeof(vino_drvdata->v4l2_dev.name)); | |
4168 | err = v4l2_device_register(NULL, &vino_drvdata->v4l2_dev); | |
4169 | if (err) | |
4170 | return err; | |
4171 | vino_init_stage++; | |
d203a7ec RB |
4172 | |
4173 | /* create a dummy dma descriptor */ | |
4174 | vino_drvdata->dummy_page = get_zeroed_page(GFP_KERNEL | GFP_DMA); | |
4175 | if (!vino_drvdata->dummy_page) { | |
4176 | vino_module_cleanup(vino_init_stage); | |
4177 | return -ENOMEM; | |
4178 | } | |
4179 | vino_init_stage++; | |
4180 | ||
4181 | // TODO: use page_count in dummy_desc_table | |
4182 | ||
4183 | vino_drvdata->dummy_desc_table.dma_cpu = | |
4184 | dma_alloc_coherent(NULL, | |
4185 | VINO_DUMMY_DESC_COUNT * sizeof(dma_addr_t), | |
4186 | &vino_drvdata->dummy_desc_table.dma, | |
4187 | GFP_KERNEL | GFP_DMA); | |
4188 | if (!vino_drvdata->dummy_desc_table.dma_cpu) { | |
4189 | vino_module_cleanup(vino_init_stage); | |
4190 | return -ENOMEM; | |
4191 | } | |
4192 | vino_init_stage++; | |
4193 | ||
4194 | dma_dummy_address = dma_map_single(NULL, | |
4195 | (void *)vino_drvdata->dummy_page, | |
4196 | PAGE_SIZE, DMA_FROM_DEVICE); | |
4197 | for (i = 0; i < VINO_DUMMY_DESC_COUNT; i++) { | |
4198 | vino_drvdata->dummy_desc_table.dma_cpu[i] = dma_dummy_address; | |
4199 | } | |
4200 | ||
4201 | /* initialize VINO */ | |
4202 | ||
4203 | vino->control = 0; | |
4204 | vino->a.next_4_desc = vino_drvdata->dummy_desc_table.dma; | |
4205 | vino->b.next_4_desc = vino_drvdata->dummy_desc_table.dma; | |
4206 | udelay(VINO_DESC_FETCH_DELAY); | |
4207 | ||
4208 | vino->intr_status = 0; | |
4209 | ||
4210 | vino->a.fifo_thres = VINO_FIFO_THRESHOLD_DEFAULT; | |
4211 | vino->b.fifo_thres = VINO_FIFO_THRESHOLD_DEFAULT; | |
4212 | ||
4213 | return 0; | |
4214 | } | |
4215 | ||
4216 | static int vino_init_channel_settings(struct vino_channel_settings *vcs, | |
4217 | unsigned int channel, const char *name) | |
4218 | { | |
4219 | vcs->channel = channel; | |
4220 | vcs->input = VINO_INPUT_NONE; | |
4221 | vcs->alpha = 0; | |
4222 | vcs->users = 0; | |
4223 | vcs->data_format = VINO_DATA_FMT_GREY; | |
4224 | vcs->data_norm = VINO_DATA_NORM_NTSC; | |
4225 | vcs->decimation = 1; | |
4226 | vino_set_default_clipping(vcs); | |
4227 | vino_set_default_framerate(vcs); | |
4228 | ||
4229 | vcs->capturing = 0; | |
4230 | ||
3593cab5 | 4231 | mutex_init(&vcs->mutex); |
d203a7ec RB |
4232 | spin_lock_init(&vcs->capture_lock); |
4233 | ||
3593cab5 | 4234 | mutex_init(&vcs->fb_queue.queue_mutex); |
d203a7ec RB |
4235 | spin_lock_init(&vcs->fb_queue.queue_lock); |
4236 | init_waitqueue_head(&vcs->fb_queue.frame_wait_queue); | |
4237 | ||
0ef4dbad HV |
4238 | vcs->vdev = video_device_alloc(); |
4239 | if (!vcs->vdev) { | |
d203a7ec RB |
4240 | vino_module_cleanup(vino_init_stage); |
4241 | return -ENOMEM; | |
4242 | } | |
4243 | vino_init_stage++; | |
4244 | ||
0ef4dbad | 4245 | memcpy(vcs->vdev, &vdev_template, |
d203a7ec | 4246 | sizeof(struct video_device)); |
0ef4dbad HV |
4247 | strcpy(vcs->vdev->name, name); |
4248 | vcs->vdev->release = video_device_release; | |
28959638 | 4249 | vcs->vdev->v4l2_dev = &vino_drvdata->v4l2_dev; |
d203a7ec | 4250 | |
0ef4dbad | 4251 | video_set_drvdata(vcs->vdev, vcs); |
d203a7ec RB |
4252 | |
4253 | return 0; | |
4254 | } | |
4255 | ||
4256 | static int __init vino_module_init(void) | |
4257 | { | |
4258 | int ret; | |
4259 | ||
4260 | printk(KERN_INFO "SGI VINO driver version %s\n", | |
4261 | VINO_MODULE_VERSION); | |
4262 | ||
4263 | ret = vino_probe(); | |
4264 | if (ret) | |
4265 | return ret; | |
4266 | ||
4267 | ret = vino_init(); | |
4268 | if (ret) | |
4269 | return ret; | |
4270 | ||
4271 | /* initialize data structures */ | |
4272 | ||
4273 | spin_lock_init(&vino_drvdata->vino_lock); | |
4274 | spin_lock_init(&vino_drvdata->input_lock); | |
4275 | ||
4276 | ret = vino_init_channel_settings(&vino_drvdata->a, VINO_CHANNEL_A, | |
0ef4dbad | 4277 | vino_vdev_name_a); |
d203a7ec RB |
4278 | if (ret) |
4279 | return ret; | |
4280 | ||
4281 | ret = vino_init_channel_settings(&vino_drvdata->b, VINO_CHANNEL_B, | |
0ef4dbad | 4282 | vino_vdev_name_b); |
d203a7ec RB |
4283 | if (ret) |
4284 | return ret; | |
4285 | ||
4286 | /* initialize hardware and register V4L devices */ | |
4287 | ||
4288 | ret = request_irq(SGI_VINO_IRQ, vino_interrupt, 0, | |
4289 | vino_driver_description, NULL); | |
4290 | if (ret) { | |
4291 | printk(KERN_ERR "VINO: requesting IRQ %02d failed\n", | |
4292 | SGI_VINO_IRQ); | |
4293 | vino_module_cleanup(vino_init_stage); | |
4294 | return -EAGAIN; | |
4295 | } | |
4296 | vino_init_stage++; | |
4297 | ||
cea0c681 | 4298 | ret = i2c_add_adapter(&vino_i2c_adapter); |
d203a7ec RB |
4299 | if (ret) { |
4300 | printk(KERN_ERR "VINO I2C bus registration failed\n"); | |
4301 | vino_module_cleanup(vino_init_stage); | |
4302 | return ret; | |
4303 | } | |
28959638 | 4304 | i2c_set_adapdata(&vino_i2c_adapter, &vino_drvdata->v4l2_dev); |
d203a7ec RB |
4305 | vino_init_stage++; |
4306 | ||
0ef4dbad | 4307 | ret = video_register_device(vino_drvdata->a.vdev, |
d203a7ec RB |
4308 | VFL_TYPE_GRABBER, -1); |
4309 | if (ret < 0) { | |
4310 | printk(KERN_ERR "VINO channel A Video4Linux-device " | |
4311 | "registration failed\n"); | |
4312 | vino_module_cleanup(vino_init_stage); | |
4313 | return -EINVAL; | |
4314 | } | |
4315 | vino_init_stage++; | |
4316 | ||
0ef4dbad | 4317 | ret = video_register_device(vino_drvdata->b.vdev, |
d203a7ec RB |
4318 | VFL_TYPE_GRABBER, -1); |
4319 | if (ret < 0) { | |
4320 | printk(KERN_ERR "VINO channel B Video4Linux-device " | |
4321 | "registration failed\n"); | |
4322 | vino_module_cleanup(vino_init_stage); | |
4323 | return -EINVAL; | |
4324 | } | |
4325 | vino_init_stage++; | |
4326 | ||
e6574f2f | 4327 | vino_drvdata->decoder = |
53dacb15 | 4328 | v4l2_i2c_new_subdev(&vino_drvdata->v4l2_dev, &vino_i2c_adapter, |
9a1f8b34 | 4329 | "saa7191", 0, I2C_ADDRS(0x45)); |
e6574f2f | 4330 | vino_drvdata->camera = |
53dacb15 | 4331 | v4l2_i2c_new_subdev(&vino_drvdata->v4l2_dev, &vino_i2c_adapter, |
9a1f8b34 | 4332 | "indycam", 0, I2C_ADDRS(0x2b)); |
d203a7ec RB |
4333 | |
4334 | dprintk("init complete!\n"); | |
4335 | ||
4336 | return 0; | |
4337 | } | |
4338 | ||
4339 | static void __exit vino_module_exit(void) | |
4340 | { | |
4341 | dprintk("exiting, stage = %d ...\n", vino_init_stage); | |
4342 | vino_module_cleanup(vino_init_stage); | |
4343 | dprintk("cleanup complete, exit!\n"); | |
4344 | } | |
4345 | ||
4346 | module_init(vino_module_init); | |
4347 | module_exit(vino_module_exit); |