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1da177e4 LT |
1 | /* |
2 | * Zoran zr36057/zr36067 PCI controller driver, for the | |
3 | * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux | |
4 | * Media Labs LML33/LML33R10. | |
5 | * | |
6 | * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> | |
7 | * | |
8 | * Changes for BUZ by Wolfgang Scherr <scherr@net4you.net> | |
9 | * | |
10 | * Changes for DC10/DC30 by Laurent Pinchart <laurent.pinchart@skynet.be> | |
11 | * | |
12 | * Changes for LML33R10 by Maxim Yevtyushkin <max@linuxmedialabs.com> | |
13 | * | |
14 | * Changes for videodev2/v4l2 by Ronald Bultje <rbultje@ronald.bitfreak.net> | |
15 | * | |
16 | * Based on | |
17 | * | |
18 | * Miro DC10 driver | |
19 | * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net> | |
20 | * | |
21 | * Iomega Buz driver version 1.0 | |
22 | * Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de> | |
23 | * | |
24 | * buz.0.0.3 | |
25 | * Copyright (C) 1998 Dave Perks <dperks@ibm.net> | |
26 | * | |
27 | * bttv - Bt848 frame grabber driver | |
28 | * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de) | |
29 | * & Marcus Metzler (mocm@thp.uni-koeln.de) | |
30 | * | |
31 | * | |
32 | * This program is free software; you can redistribute it and/or modify | |
33 | * it under the terms of the GNU General Public License as published by | |
34 | * the Free Software Foundation; either version 2 of the License, or | |
35 | * (at your option) any later version. | |
36 | * | |
37 | * This program is distributed in the hope that it will be useful, | |
38 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
39 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
40 | * GNU General Public License for more details. | |
1da177e4 LT |
41 | */ |
42 | ||
1da177e4 LT |
43 | #include <linux/init.h> |
44 | #include <linux/module.h> | |
45 | #include <linux/delay.h> | |
46 | #include <linux/slab.h> | |
47 | #include <linux/pci.h> | |
48 | #include <linux/vmalloc.h> | |
49 | #include <linux/wait.h> | |
1da177e4 LT |
50 | |
51 | #include <linux/interrupt.h> | |
52 | #include <linux/i2c.h> | |
53 | #include <linux/i2c-algo-bit.h> | |
54 | ||
55 | #include <linux/spinlock.h> | |
1da177e4 | 56 | |
debff5a7 | 57 | #include <linux/videodev2.h> |
5e87efa3 | 58 | #include <media/v4l2-common.h> |
35ea11ff | 59 | #include <media/v4l2-ioctl.h> |
e56c597b | 60 | #include <media/v4l2-event.h> |
1da177e4 LT |
61 | #include "videocodec.h" |
62 | ||
9a6ab769 | 63 | #include <asm/byteorder.h> |
1da177e4 | 64 | #include <asm/io.h> |
7c0f6ba6 | 65 | #include <linux/uaccess.h> |
1da177e4 LT |
66 | #include <linux/proc_fs.h> |
67 | ||
384c3689 | 68 | #include <linux/mutex.h> |
1da177e4 LT |
69 | #include "zoran.h" |
70 | #include "zoran_device.h" | |
71 | #include "zoran_card.h" | |
72 | ||
603d6f2c TP |
73 | |
74 | const struct zoran_format zoran_formats[] = { | |
75 | { | |
76 | .name = "15-bit RGB LE", | |
602dd48a HV |
77 | .fourcc = V4L2_PIX_FMT_RGB555, |
78 | .colorspace = V4L2_COLORSPACE_SRGB, | |
1da177e4 LT |
79 | .depth = 15, |
80 | .flags = ZORAN_FORMAT_CAPTURE | | |
81 | ZORAN_FORMAT_OVERLAY, | |
603d6f2c TP |
82 | .vfespfr = ZR36057_VFESPFR_RGB555|ZR36057_VFESPFR_ErrDif| |
83 | ZR36057_VFESPFR_LittleEndian, | |
1da177e4 | 84 | }, { |
603d6f2c | 85 | .name = "15-bit RGB BE", |
602dd48a HV |
86 | .fourcc = V4L2_PIX_FMT_RGB555X, |
87 | .colorspace = V4L2_COLORSPACE_SRGB, | |
603d6f2c TP |
88 | .depth = 15, |
89 | .flags = ZORAN_FORMAT_CAPTURE | | |
90 | ZORAN_FORMAT_OVERLAY, | |
91 | .vfespfr = ZR36057_VFESPFR_RGB555|ZR36057_VFESPFR_ErrDif, | |
92 | }, { | |
93 | .name = "16-bit RGB LE", | |
602dd48a HV |
94 | .fourcc = V4L2_PIX_FMT_RGB565, |
95 | .colorspace = V4L2_COLORSPACE_SRGB, | |
1da177e4 LT |
96 | .depth = 16, |
97 | .flags = ZORAN_FORMAT_CAPTURE | | |
98 | ZORAN_FORMAT_OVERLAY, | |
603d6f2c TP |
99 | .vfespfr = ZR36057_VFESPFR_RGB565|ZR36057_VFESPFR_ErrDif| |
100 | ZR36057_VFESPFR_LittleEndian, | |
101 | }, { | |
102 | .name = "16-bit RGB BE", | |
602dd48a HV |
103 | .fourcc = V4L2_PIX_FMT_RGB565X, |
104 | .colorspace = V4L2_COLORSPACE_SRGB, | |
603d6f2c TP |
105 | .depth = 16, |
106 | .flags = ZORAN_FORMAT_CAPTURE | | |
107 | ZORAN_FORMAT_OVERLAY, | |
108 | .vfespfr = ZR36057_VFESPFR_RGB565|ZR36057_VFESPFR_ErrDif, | |
1da177e4 LT |
109 | }, { |
110 | .name = "24-bit RGB", | |
602dd48a HV |
111 | .fourcc = V4L2_PIX_FMT_BGR24, |
112 | .colorspace = V4L2_COLORSPACE_SRGB, | |
1da177e4 LT |
113 | .depth = 24, |
114 | .flags = ZORAN_FORMAT_CAPTURE | | |
115 | ZORAN_FORMAT_OVERLAY, | |
603d6f2c | 116 | .vfespfr = ZR36057_VFESPFR_RGB888|ZR36057_VFESPFR_Pack24, |
1da177e4 | 117 | }, { |
603d6f2c | 118 | .name = "32-bit RGB LE", |
602dd48a HV |
119 | .fourcc = V4L2_PIX_FMT_BGR32, |
120 | .colorspace = V4L2_COLORSPACE_SRGB, | |
1da177e4 LT |
121 | .depth = 32, |
122 | .flags = ZORAN_FORMAT_CAPTURE | | |
123 | ZORAN_FORMAT_OVERLAY, | |
603d6f2c TP |
124 | .vfespfr = ZR36057_VFESPFR_RGB888|ZR36057_VFESPFR_LittleEndian, |
125 | }, { | |
126 | .name = "32-bit RGB BE", | |
602dd48a HV |
127 | .fourcc = V4L2_PIX_FMT_RGB32, |
128 | .colorspace = V4L2_COLORSPACE_SRGB, | |
603d6f2c TP |
129 | .depth = 32, |
130 | .flags = ZORAN_FORMAT_CAPTURE | | |
131 | ZORAN_FORMAT_OVERLAY, | |
132 | .vfespfr = ZR36057_VFESPFR_RGB888, | |
1da177e4 LT |
133 | }, { |
134 | .name = "4:2:2, packed, YUYV", | |
602dd48a HV |
135 | .fourcc = V4L2_PIX_FMT_YUYV, |
136 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
1da177e4 LT |
137 | .depth = 16, |
138 | .flags = ZORAN_FORMAT_CAPTURE | | |
d56410e0 | 139 | ZORAN_FORMAT_OVERLAY, |
603d6f2c TP |
140 | .vfespfr = ZR36057_VFESPFR_YUV422, |
141 | }, { | |
142 | .name = "4:2:2, packed, UYVY", | |
602dd48a HV |
143 | .fourcc = V4L2_PIX_FMT_UYVY, |
144 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
603d6f2c TP |
145 | .depth = 16, |
146 | .flags = ZORAN_FORMAT_CAPTURE | | |
147 | ZORAN_FORMAT_OVERLAY, | |
148 | .vfespfr = ZR36057_VFESPFR_YUV422|ZR36057_VFESPFR_LittleEndian, | |
1da177e4 LT |
149 | }, { |
150 | .name = "Hardware-encoded Motion-JPEG", | |
602dd48a HV |
151 | .fourcc = V4L2_PIX_FMT_MJPEG, |
152 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
1da177e4 LT |
153 | .depth = 0, |
154 | .flags = ZORAN_FORMAT_CAPTURE | | |
155 | ZORAN_FORMAT_PLAYBACK | | |
156 | ZORAN_FORMAT_COMPRESSED, | |
157 | } | |
158 | }; | |
603d6f2c | 159 | #define NUM_FORMATS ARRAY_SIZE(zoran_formats) |
1da177e4 | 160 | |
1da177e4 LT |
161 | /* small helper function for calculating buffersizes for v4l2 |
162 | * we calculate the nearest higher power-of-two, which | |
163 | * will be the recommended buffersize */ | |
164 | static __u32 | |
165 | zoran_v4l2_calc_bufsize (struct zoran_jpg_settings *settings) | |
166 | { | |
167 | __u8 div = settings->VerDcm * settings->HorDcm * settings->TmpDcm; | |
168 | __u32 num = (1024 * 512) / (div); | |
169 | __u32 result = 2; | |
170 | ||
171 | num--; | |
172 | while (num) { | |
173 | num >>= 1; | |
174 | result <<= 1; | |
175 | } | |
176 | ||
177 | if (result > jpg_bufsize) | |
178 | return jpg_bufsize; | |
179 | if (result < 8192) | |
180 | return 8192; | |
181 | return result; | |
182 | } | |
1da177e4 LT |
183 | |
184 | /* forward references */ | |
e5ee3f64 TP |
185 | static void v4l_fbuffer_free(struct zoran_fh *fh); |
186 | static void jpg_fbuffer_free(struct zoran_fh *fh); | |
1da177e4 | 187 | |
1159b7f1 TP |
188 | /* Set mapping mode */ |
189 | static void map_mode_raw(struct zoran_fh *fh) | |
190 | { | |
191 | fh->map_mode = ZORAN_MAP_MODE_RAW; | |
192 | fh->buffers.buffer_size = v4l_bufsize; | |
193 | fh->buffers.num_buffers = v4l_nbufs; | |
194 | } | |
195 | static void map_mode_jpg(struct zoran_fh *fh, int play) | |
196 | { | |
197 | fh->map_mode = play ? ZORAN_MAP_MODE_JPG_PLAY : ZORAN_MAP_MODE_JPG_REC; | |
198 | fh->buffers.buffer_size = jpg_bufsize; | |
199 | fh->buffers.num_buffers = jpg_nbufs; | |
200 | } | |
201 | static inline const char *mode_name(enum zoran_map_mode mode) | |
202 | { | |
203 | return mode == ZORAN_MAP_MODE_RAW ? "V4L" : "JPG"; | |
204 | } | |
205 | ||
1da177e4 LT |
206 | /* |
207 | * Allocate the V4L grab buffers | |
208 | * | |
209 | * These have to be pysically contiguous. | |
1da177e4 LT |
210 | */ |
211 | ||
e5ee3f64 | 212 | static int v4l_fbuffer_alloc(struct zoran_fh *fh) |
1da177e4 | 213 | { |
1da177e4 LT |
214 | struct zoran *zr = fh->zr; |
215 | int i, off; | |
216 | unsigned char *mem; | |
1da177e4 | 217 | |
1159b7f1 TP |
218 | for (i = 0; i < fh->buffers.num_buffers; i++) { |
219 | if (fh->buffers.buffer[i].v4l.fbuffer) | |
1da177e4 LT |
220 | dprintk(2, |
221 | KERN_WARNING | |
c61402ba TP |
222 | "%s: %s - buffer %d already allocated!?\n", |
223 | ZR_DEVNAME(zr), __func__, i); | |
1da177e4 LT |
224 | |
225 | //udelay(20); | |
ee9a9d66 JD |
226 | mem = kmalloc(fh->buffers.buffer_size, |
227 | GFP_KERNEL | __GFP_NOWARN); | |
b80696b7 HV |
228 | if (!mem) { |
229 | dprintk(1, | |
230 | KERN_ERR | |
c61402ba TP |
231 | "%s: %s - kmalloc for V4L buf %d failed\n", |
232 | ZR_DEVNAME(zr), __func__, i); | |
e5ee3f64 | 233 | v4l_fbuffer_free(fh); |
b80696b7 | 234 | return -ENOBUFS; |
1da177e4 | 235 | } |
1159b7f1 TP |
236 | fh->buffers.buffer[i].v4l.fbuffer = mem; |
237 | fh->buffers.buffer[i].v4l.fbuffer_phys = virt_to_phys(mem); | |
238 | fh->buffers.buffer[i].v4l.fbuffer_bus = virt_to_bus(mem); | |
239 | for (off = 0; off < fh->buffers.buffer_size; | |
b80696b7 | 240 | off += PAGE_SIZE) |
602dd48a | 241 | SetPageReserved(virt_to_page(mem + off)); |
b80696b7 HV |
242 | dprintk(4, |
243 | KERN_INFO | |
8737f66e | 244 | "%s: %s - V4L frame %d mem 0x%lx (bus: 0x%llx)\n", |
c61402ba | 245 | ZR_DEVNAME(zr), __func__, i, (unsigned long) mem, |
8737f66e | 246 | (unsigned long long)virt_to_bus(mem)); |
1da177e4 LT |
247 | } |
248 | ||
1159b7f1 | 249 | fh->buffers.allocated = 1; |
1da177e4 LT |
250 | |
251 | return 0; | |
252 | } | |
253 | ||
254 | /* free the V4L grab buffers */ | |
e5ee3f64 | 255 | static void v4l_fbuffer_free(struct zoran_fh *fh) |
1da177e4 | 256 | { |
1da177e4 LT |
257 | struct zoran *zr = fh->zr; |
258 | int i, off; | |
259 | unsigned char *mem; | |
260 | ||
c61402ba | 261 | dprintk(4, KERN_INFO "%s: %s\n", ZR_DEVNAME(zr), __func__); |
1da177e4 | 262 | |
1159b7f1 TP |
263 | for (i = 0; i < fh->buffers.num_buffers; i++) { |
264 | if (!fh->buffers.buffer[i].v4l.fbuffer) | |
1da177e4 LT |
265 | continue; |
266 | ||
1159b7f1 TP |
267 | mem = fh->buffers.buffer[i].v4l.fbuffer; |
268 | for (off = 0; off < fh->buffers.buffer_size; | |
b80696b7 | 269 | off += PAGE_SIZE) |
602dd48a | 270 | ClearPageReserved(virt_to_page(mem + off)); |
1159b7f1 TP |
271 | kfree(fh->buffers.buffer[i].v4l.fbuffer); |
272 | fh->buffers.buffer[i].v4l.fbuffer = NULL; | |
1da177e4 LT |
273 | } |
274 | ||
1159b7f1 | 275 | fh->buffers.allocated = 0; |
1da177e4 LT |
276 | } |
277 | ||
278 | /* | |
279 | * Allocate the MJPEG grab buffers. | |
280 | * | |
1da177e4 LT |
281 | * If a Natoma chipset is present and this is a revision 1 zr36057, |
282 | * each MJPEG buffer needs to be physically contiguous. | |
283 | * (RJ: This statement is from Dave Perks' original driver, | |
284 | * I could never check it because I have a zr36067) | |
1da177e4 LT |
285 | * |
286 | * RJ: The contents grab buffers needs never be accessed in the driver. | |
287 | * Therefore there is no need to allocate them with vmalloc in order | |
288 | * to get a contiguous virtual memory space. | |
289 | * I don't understand why many other drivers first allocate them with | |
290 | * vmalloc (which uses internally also get_zeroed_page, but delivers you | |
291 | * virtual addresses) and then again have to make a lot of efforts | |
292 | * to get the physical address. | |
293 | * | |
294 | * Ben Capper: | |
295 | * On big-endian architectures (such as ppc) some extra steps | |
296 | * are needed. When reading and writing to the stat_com array | |
297 | * and fragment buffers, the device expects to see little- | |
298 | * endian values. The use of cpu_to_le32() and le32_to_cpu() | |
299 | * in this function (and one or two others in zoran_device.c) | |
300 | * ensure that these values are always stored in little-endian | |
301 | * form, regardless of architecture. The zr36057 does Very Bad | |
302 | * Things on big endian architectures if the stat_com array | |
303 | * and fragment buffers are not little-endian. | |
304 | */ | |
305 | ||
e5ee3f64 | 306 | static int jpg_fbuffer_alloc(struct zoran_fh *fh) |
1da177e4 | 307 | { |
1da177e4 LT |
308 | struct zoran *zr = fh->zr; |
309 | int i, j, off; | |
1159b7f1 | 310 | u8 *mem; |
1da177e4 | 311 | |
1159b7f1 TP |
312 | for (i = 0; i < fh->buffers.num_buffers; i++) { |
313 | if (fh->buffers.buffer[i].jpg.frag_tab) | |
1da177e4 LT |
314 | dprintk(2, |
315 | KERN_WARNING | |
c61402ba TP |
316 | "%s: %s - buffer %d already allocated!?\n", |
317 | ZR_DEVNAME(zr), __func__, i); | |
1da177e4 LT |
318 | |
319 | /* Allocate fragment table for this buffer */ | |
320 | ||
1159b7f1 | 321 | mem = (void *)get_zeroed_page(GFP_KERNEL); |
cebedf15 | 322 | if (!mem) { |
1da177e4 LT |
323 | dprintk(1, |
324 | KERN_ERR | |
c61402ba TP |
325 | "%s: %s - get_zeroed_page (frag_tab) failed for buffer %d\n", |
326 | ZR_DEVNAME(zr), __func__, i); | |
e5ee3f64 | 327 | jpg_fbuffer_free(fh); |
1da177e4 LT |
328 | return -ENOBUFS; |
329 | } | |
1159b7f1 TP |
330 | fh->buffers.buffer[i].jpg.frag_tab = (__le32 *)mem; |
331 | fh->buffers.buffer[i].jpg.frag_tab_bus = virt_to_bus(mem); | |
332 | ||
333 | if (fh->buffers.need_contiguous) { | |
334 | mem = kmalloc(fh->buffers.buffer_size, GFP_KERNEL); | |
335 | if (mem == NULL) { | |
1da177e4 LT |
336 | dprintk(1, |
337 | KERN_ERR | |
c61402ba TP |
338 | "%s: %s - kmalloc failed for buffer %d\n", |
339 | ZR_DEVNAME(zr), __func__, i); | |
e5ee3f64 | 340 | jpg_fbuffer_free(fh); |
1da177e4 LT |
341 | return -ENOBUFS; |
342 | } | |
1159b7f1 TP |
343 | fh->buffers.buffer[i].jpg.frag_tab[0] = |
344 | cpu_to_le32(virt_to_bus(mem)); | |
345 | fh->buffers.buffer[i].jpg.frag_tab[1] = | |
346 | cpu_to_le32((fh->buffers.buffer_size >> 1) | 1); | |
347 | for (off = 0; off < fh->buffers.buffer_size; off += PAGE_SIZE) | |
602dd48a | 348 | SetPageReserved(virt_to_page(mem + off)); |
1da177e4 | 349 | } else { |
b80696b7 | 350 | /* jpg_bufsize is already page aligned */ |
1159b7f1 TP |
351 | for (j = 0; j < fh->buffers.buffer_size / PAGE_SIZE; j++) { |
352 | mem = (void *)get_zeroed_page(GFP_KERNEL); | |
353 | if (mem == NULL) { | |
1da177e4 LT |
354 | dprintk(1, |
355 | KERN_ERR | |
c61402ba TP |
356 | "%s: %s - get_zeroed_page failed for buffer %d\n", |
357 | ZR_DEVNAME(zr), __func__, i); | |
e5ee3f64 | 358 | jpg_fbuffer_free(fh); |
1da177e4 LT |
359 | return -ENOBUFS; |
360 | } | |
361 | ||
1159b7f1 TP |
362 | fh->buffers.buffer[i].jpg.frag_tab[2 * j] = |
363 | cpu_to_le32(virt_to_bus(mem)); | |
364 | fh->buffers.buffer[i].jpg.frag_tab[2 * j + 1] = | |
365 | cpu_to_le32((PAGE_SIZE >> 2) << 1); | |
602dd48a | 366 | SetPageReserved(virt_to_page(mem)); |
1da177e4 LT |
367 | } |
368 | ||
1159b7f1 | 369 | fh->buffers.buffer[i].jpg.frag_tab[2 * j - 1] |= cpu_to_le32(1); |
1da177e4 LT |
370 | } |
371 | } | |
372 | ||
373 | dprintk(4, | |
c61402ba TP |
374 | KERN_DEBUG "%s: %s - %d KB allocated\n", |
375 | ZR_DEVNAME(zr), __func__, | |
1159b7f1 | 376 | (fh->buffers.num_buffers * fh->buffers.buffer_size) >> 10); |
1da177e4 | 377 | |
1159b7f1 | 378 | fh->buffers.allocated = 1; |
1da177e4 LT |
379 | |
380 | return 0; | |
381 | } | |
382 | ||
383 | /* free the MJPEG grab buffers */ | |
e5ee3f64 | 384 | static void jpg_fbuffer_free(struct zoran_fh *fh) |
1da177e4 | 385 | { |
1da177e4 LT |
386 | struct zoran *zr = fh->zr; |
387 | int i, j, off; | |
388 | unsigned char *mem; | |
602dd48a | 389 | __le32 frag_tab; |
1159b7f1 | 390 | struct zoran_buffer *buffer; |
1da177e4 | 391 | |
c61402ba | 392 | dprintk(4, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__); |
1da177e4 | 393 | |
1159b7f1 TP |
394 | for (i = 0, buffer = &fh->buffers.buffer[0]; |
395 | i < fh->buffers.num_buffers; i++, buffer++) { | |
396 | if (!buffer->jpg.frag_tab) | |
1da177e4 LT |
397 | continue; |
398 | ||
1159b7f1 TP |
399 | if (fh->buffers.need_contiguous) { |
400 | frag_tab = buffer->jpg.frag_tab[0]; | |
602dd48a HV |
401 | |
402 | if (frag_tab) { | |
1159b7f1 TP |
403 | mem = bus_to_virt(le32_to_cpu(frag_tab)); |
404 | for (off = 0; off < fh->buffers.buffer_size; off += PAGE_SIZE) | |
602dd48a | 405 | ClearPageReserved(virt_to_page(mem + off)); |
f9101210 | 406 | kfree(mem); |
1159b7f1 TP |
407 | buffer->jpg.frag_tab[0] = 0; |
408 | buffer->jpg.frag_tab[1] = 0; | |
1da177e4 LT |
409 | } |
410 | } else { | |
1159b7f1 TP |
411 | for (j = 0; j < fh->buffers.buffer_size / PAGE_SIZE; j++) { |
412 | frag_tab = buffer->jpg.frag_tab[2 * j]; | |
602dd48a HV |
413 | |
414 | if (!frag_tab) | |
1da177e4 | 415 | break; |
602dd48a HV |
416 | ClearPageReserved(virt_to_page(bus_to_virt(le32_to_cpu(frag_tab)))); |
417 | free_page((unsigned long)bus_to_virt(le32_to_cpu(frag_tab))); | |
1159b7f1 TP |
418 | buffer->jpg.frag_tab[2 * j] = 0; |
419 | buffer->jpg.frag_tab[2 * j + 1] = 0; | |
1da177e4 LT |
420 | } |
421 | } | |
422 | ||
1159b7f1 TP |
423 | free_page((unsigned long)buffer->jpg.frag_tab); |
424 | buffer->jpg.frag_tab = NULL; | |
1da177e4 LT |
425 | } |
426 | ||
1159b7f1 | 427 | fh->buffers.allocated = 0; |
1da177e4 LT |
428 | } |
429 | ||
430 | /* | |
431 | * V4L Buffer grabbing | |
432 | */ | |
433 | ||
434 | static int | |
1159b7f1 | 435 | zoran_v4l_set_format (struct zoran_fh *fh, |
1da177e4 LT |
436 | int width, |
437 | int height, | |
438 | const struct zoran_format *format) | |
439 | { | |
1da177e4 LT |
440 | struct zoran *zr = fh->zr; |
441 | int bpp; | |
442 | ||
443 | /* Check size and format of the grab wanted */ | |
444 | ||
445 | if (height < BUZ_MIN_HEIGHT || width < BUZ_MIN_WIDTH || | |
446 | height > BUZ_MAX_HEIGHT || width > BUZ_MAX_WIDTH) { | |
447 | dprintk(1, | |
448 | KERN_ERR | |
c61402ba TP |
449 | "%s: %s - wrong frame size (%dx%d)\n", |
450 | ZR_DEVNAME(zr), __func__, width, height); | |
1da177e4 LT |
451 | return -EINVAL; |
452 | } | |
453 | ||
454 | bpp = (format->depth + 7) / 8; | |
455 | ||
456 | /* Check against available buffer size */ | |
1159b7f1 | 457 | if (height * width * bpp > fh->buffers.buffer_size) { |
1da177e4 LT |
458 | dprintk(1, |
459 | KERN_ERR | |
c61402ba TP |
460 | "%s: %s - video buffer size (%d kB) is too small\n", |
461 | ZR_DEVNAME(zr), __func__, fh->buffers.buffer_size >> 10); | |
1da177e4 LT |
462 | return -EINVAL; |
463 | } | |
464 | ||
465 | /* The video front end needs 4-byte alinged line sizes */ | |
466 | ||
467 | if ((bpp == 2 && (width & 1)) || (bpp == 3 && (width & 3))) { | |
468 | dprintk(1, | |
469 | KERN_ERR | |
c61402ba TP |
470 | "%s: %s - wrong frame alignment\n", |
471 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
472 | return -EINVAL; |
473 | } | |
474 | ||
475 | fh->v4l_settings.width = width; | |
476 | fh->v4l_settings.height = height; | |
477 | fh->v4l_settings.format = format; | |
478 | fh->v4l_settings.bytesperline = bpp * fh->v4l_settings.width; | |
479 | ||
480 | return 0; | |
481 | } | |
482 | ||
e5ee3f64 | 483 | static int zoran_v4l_queue_frame(struct zoran_fh *fh, int num) |
1da177e4 | 484 | { |
1da177e4 LT |
485 | struct zoran *zr = fh->zr; |
486 | unsigned long flags; | |
487 | int res = 0; | |
488 | ||
1159b7f1 | 489 | if (!fh->buffers.allocated) { |
1da177e4 LT |
490 | dprintk(1, |
491 | KERN_ERR | |
c61402ba TP |
492 | "%s: %s - buffers not yet allocated\n", |
493 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
494 | res = -ENOMEM; |
495 | } | |
496 | ||
497 | /* No grabbing outside the buffer range! */ | |
1159b7f1 | 498 | if (num >= fh->buffers.num_buffers || num < 0) { |
1da177e4 LT |
499 | dprintk(1, |
500 | KERN_ERR | |
c61402ba TP |
501 | "%s: %s - buffer %d is out of range\n", |
502 | ZR_DEVNAME(zr), __func__, num); | |
1da177e4 LT |
503 | res = -EINVAL; |
504 | } | |
505 | ||
506 | spin_lock_irqsave(&zr->spinlock, flags); | |
507 | ||
1159b7f1 | 508 | if (fh->buffers.active == ZORAN_FREE) { |
1da177e4 | 509 | if (zr->v4l_buffers.active == ZORAN_FREE) { |
1159b7f1 TP |
510 | zr->v4l_buffers = fh->buffers; |
511 | fh->buffers.active = ZORAN_ACTIVE; | |
1da177e4 LT |
512 | } else { |
513 | dprintk(1, | |
514 | KERN_ERR | |
c61402ba TP |
515 | "%s: %s - another session is already capturing\n", |
516 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
517 | res = -EBUSY; |
518 | } | |
519 | } | |
520 | ||
521 | /* make sure a grab isn't going on currently with this buffer */ | |
522 | if (!res) { | |
523 | switch (zr->v4l_buffers.buffer[num].state) { | |
524 | default: | |
525 | case BUZ_STATE_PEND: | |
526 | if (zr->v4l_buffers.active == ZORAN_FREE) { | |
1159b7f1 | 527 | fh->buffers.active = ZORAN_FREE; |
1da177e4 LT |
528 | zr->v4l_buffers.allocated = 0; |
529 | } | |
530 | res = -EBUSY; /* what are you doing? */ | |
531 | break; | |
532 | case BUZ_STATE_DONE: | |
533 | dprintk(2, | |
534 | KERN_WARNING | |
c61402ba TP |
535 | "%s: %s - queueing buffer %d in state DONE!?\n", |
536 | ZR_DEVNAME(zr), __func__, num); | |
9ca3ae0d | 537 | /* fall through */ |
1da177e4 LT |
538 | case BUZ_STATE_USER: |
539 | /* since there is at least one unused buffer there's room for at least | |
540 | * one more pend[] entry */ | |
1159b7f1 | 541 | zr->v4l_pend[zr->v4l_pend_head++ & V4L_MASK_FRAME] = num; |
1da177e4 LT |
542 | zr->v4l_buffers.buffer[num].state = BUZ_STATE_PEND; |
543 | zr->v4l_buffers.buffer[num].bs.length = | |
544 | fh->v4l_settings.bytesperline * | |
545 | zr->v4l_settings.height; | |
1159b7f1 | 546 | fh->buffers.buffer[num] = zr->v4l_buffers.buffer[num]; |
1da177e4 LT |
547 | break; |
548 | } | |
549 | } | |
550 | ||
551 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
552 | ||
553 | if (!res && zr->v4l_buffers.active == ZORAN_FREE) | |
1159b7f1 | 554 | zr->v4l_buffers.active = fh->buffers.active; |
1da177e4 LT |
555 | |
556 | return res; | |
557 | } | |
558 | ||
1da177e4 LT |
559 | /* |
560 | * Sync on a V4L buffer | |
561 | */ | |
562 | ||
e5ee3f64 | 563 | static int v4l_sync(struct zoran_fh *fh, int frame) |
1da177e4 | 564 | { |
1da177e4 LT |
565 | struct zoran *zr = fh->zr; |
566 | unsigned long flags; | |
567 | ||
1159b7f1 | 568 | if (fh->buffers.active == ZORAN_FREE) { |
1da177e4 LT |
569 | dprintk(1, |
570 | KERN_ERR | |
c61402ba TP |
571 | "%s: %s - no grab active for this session\n", |
572 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
573 | return -EINVAL; |
574 | } | |
575 | ||
576 | /* check passed-in frame number */ | |
1159b7f1 | 577 | if (frame >= fh->buffers.num_buffers || frame < 0) { |
1da177e4 | 578 | dprintk(1, |
c61402ba TP |
579 | KERN_ERR "%s: %s - frame %d is invalid\n", |
580 | ZR_DEVNAME(zr), __func__, frame); | |
1da177e4 LT |
581 | return -EINVAL; |
582 | } | |
583 | ||
584 | /* Check if is buffer was queued at all */ | |
585 | if (zr->v4l_buffers.buffer[frame].state == BUZ_STATE_USER) { | |
586 | dprintk(1, | |
587 | KERN_ERR | |
c61402ba TP |
588 | "%s: %s - attempt to sync on a buffer which was not queued?\n", |
589 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
590 | return -EPROTO; |
591 | } | |
592 | ||
7b962d43 | 593 | mutex_unlock(&zr->lock); |
1da177e4 LT |
594 | /* wait on this buffer to get ready */ |
595 | if (!wait_event_interruptible_timeout(zr->v4l_capq, | |
7b962d43 HV |
596 | (zr->v4l_buffers.buffer[frame].state != BUZ_STATE_PEND), 10*HZ)) { |
597 | mutex_lock(&zr->lock); | |
1da177e4 | 598 | return -ETIME; |
7b962d43 HV |
599 | } |
600 | mutex_lock(&zr->lock); | |
1da177e4 LT |
601 | if (signal_pending(current)) |
602 | return -ERESTARTSYS; | |
603 | ||
604 | /* buffer should now be in BUZ_STATE_DONE */ | |
605 | if (zr->v4l_buffers.buffer[frame].state != BUZ_STATE_DONE) | |
606 | dprintk(2, | |
c61402ba TP |
607 | KERN_ERR "%s: %s - internal state error\n", |
608 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
609 | |
610 | zr->v4l_buffers.buffer[frame].state = BUZ_STATE_USER; | |
1159b7f1 | 611 | fh->buffers.buffer[frame] = zr->v4l_buffers.buffer[frame]; |
1da177e4 LT |
612 | |
613 | spin_lock_irqsave(&zr->spinlock, flags); | |
614 | ||
615 | /* Check if streaming capture has finished */ | |
616 | if (zr->v4l_pend_tail == zr->v4l_pend_head) { | |
617 | zr36057_set_memgrab(zr, 0); | |
618 | if (zr->v4l_buffers.active == ZORAN_ACTIVE) { | |
1159b7f1 | 619 | fh->buffers.active = zr->v4l_buffers.active = ZORAN_FREE; |
1da177e4 LT |
620 | zr->v4l_buffers.allocated = 0; |
621 | } | |
622 | } | |
623 | ||
624 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
625 | ||
626 | return 0; | |
627 | } | |
628 | ||
629 | /* | |
630 | * Queue a MJPEG buffer for capture/playback | |
631 | */ | |
632 | ||
e5ee3f64 TP |
633 | static int zoran_jpg_queue_frame(struct zoran_fh *fh, int num, |
634 | enum zoran_codec_mode mode) | |
1da177e4 | 635 | { |
1da177e4 LT |
636 | struct zoran *zr = fh->zr; |
637 | unsigned long flags; | |
638 | int res = 0; | |
639 | ||
640 | /* Check if buffers are allocated */ | |
1159b7f1 | 641 | if (!fh->buffers.allocated) { |
1da177e4 LT |
642 | dprintk(1, |
643 | KERN_ERR | |
c61402ba TP |
644 | "%s: %s - buffers not yet allocated\n", |
645 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
646 | return -ENOMEM; |
647 | } | |
648 | ||
649 | /* No grabbing outside the buffer range! */ | |
1159b7f1 | 650 | if (num >= fh->buffers.num_buffers || num < 0) { |
1da177e4 LT |
651 | dprintk(1, |
652 | KERN_ERR | |
c61402ba TP |
653 | "%s: %s - buffer %d out of range\n", |
654 | ZR_DEVNAME(zr), __func__, num); | |
1da177e4 LT |
655 | return -EINVAL; |
656 | } | |
657 | ||
658 | /* what is the codec mode right now? */ | |
659 | if (zr->codec_mode == BUZ_MODE_IDLE) { | |
660 | zr->jpg_settings = fh->jpg_settings; | |
661 | } else if (zr->codec_mode != mode) { | |
662 | /* wrong codec mode active - invalid */ | |
663 | dprintk(1, | |
664 | KERN_ERR | |
c61402ba TP |
665 | "%s: %s - codec in wrong mode\n", |
666 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
667 | return -EINVAL; |
668 | } | |
669 | ||
1159b7f1 | 670 | if (fh->buffers.active == ZORAN_FREE) { |
1da177e4 | 671 | if (zr->jpg_buffers.active == ZORAN_FREE) { |
1159b7f1 TP |
672 | zr->jpg_buffers = fh->buffers; |
673 | fh->buffers.active = ZORAN_ACTIVE; | |
1da177e4 LT |
674 | } else { |
675 | dprintk(1, | |
676 | KERN_ERR | |
c61402ba TP |
677 | "%s: %s - another session is already capturing\n", |
678 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
679 | res = -EBUSY; |
680 | } | |
681 | } | |
682 | ||
683 | if (!res && zr->codec_mode == BUZ_MODE_IDLE) { | |
684 | /* Ok load up the jpeg codec */ | |
685 | zr36057_enable_jpg(zr, mode); | |
686 | } | |
687 | ||
8bc3efcf RB |
688 | spin_lock_irqsave(&zr->spinlock, flags); |
689 | ||
1da177e4 LT |
690 | if (!res) { |
691 | switch (zr->jpg_buffers.buffer[num].state) { | |
692 | case BUZ_STATE_DONE: | |
693 | dprintk(2, | |
694 | KERN_WARNING | |
c61402ba TP |
695 | "%s: %s - queing frame in BUZ_STATE_DONE state!?\n", |
696 | ZR_DEVNAME(zr), __func__); | |
9ca3ae0d | 697 | /* fall through */ |
1da177e4 LT |
698 | case BUZ_STATE_USER: |
699 | /* since there is at least one unused buffer there's room for at | |
700 | *least one more pend[] entry */ | |
1159b7f1 | 701 | zr->jpg_pend[zr->jpg_que_head++ & BUZ_MASK_FRAME] = num; |
1da177e4 | 702 | zr->jpg_buffers.buffer[num].state = BUZ_STATE_PEND; |
1159b7f1 | 703 | fh->buffers.buffer[num] = zr->jpg_buffers.buffer[num]; |
1da177e4 LT |
704 | zoran_feed_stat_com(zr); |
705 | break; | |
706 | default: | |
707 | case BUZ_STATE_DMA: | |
708 | case BUZ_STATE_PEND: | |
709 | if (zr->jpg_buffers.active == ZORAN_FREE) { | |
1159b7f1 | 710 | fh->buffers.active = ZORAN_FREE; |
1da177e4 LT |
711 | zr->jpg_buffers.allocated = 0; |
712 | } | |
713 | res = -EBUSY; /* what are you doing? */ | |
714 | break; | |
715 | } | |
716 | } | |
717 | ||
718 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
719 | ||
1159b7f1 TP |
720 | if (!res && zr->jpg_buffers.active == ZORAN_FREE) |
721 | zr->jpg_buffers.active = fh->buffers.active; | |
1da177e4 LT |
722 | |
723 | return res; | |
724 | } | |
725 | ||
e5ee3f64 | 726 | static int jpg_qbuf(struct zoran_fh *fh, int frame, enum zoran_codec_mode mode) |
1da177e4 | 727 | { |
1da177e4 LT |
728 | struct zoran *zr = fh->zr; |
729 | int res = 0; | |
730 | ||
731 | /* Does the user want to stop streaming? */ | |
732 | if (frame < 0) { | |
733 | if (zr->codec_mode == mode) { | |
1159b7f1 | 734 | if (fh->buffers.active == ZORAN_FREE) { |
1da177e4 LT |
735 | dprintk(1, |
736 | KERN_ERR | |
c61402ba TP |
737 | "%s: %s(-1) - session not active\n", |
738 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
739 | return -EINVAL; |
740 | } | |
1159b7f1 | 741 | fh->buffers.active = zr->jpg_buffers.active = ZORAN_FREE; |
1da177e4 LT |
742 | zr->jpg_buffers.allocated = 0; |
743 | zr36057_enable_jpg(zr, BUZ_MODE_IDLE); | |
744 | return 0; | |
745 | } else { | |
746 | dprintk(1, | |
747 | KERN_ERR | |
c61402ba TP |
748 | "%s: %s - stop streaming but not in streaming mode\n", |
749 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
750 | return -EINVAL; |
751 | } | |
752 | } | |
753 | ||
e5ee3f64 | 754 | if ((res = zoran_jpg_queue_frame(fh, frame, mode))) |
1da177e4 LT |
755 | return res; |
756 | ||
757 | /* Start the jpeg codec when the first frame is queued */ | |
758 | if (!res && zr->jpg_que_head == 1) | |
759 | jpeg_start(zr); | |
760 | ||
761 | return res; | |
762 | } | |
763 | ||
764 | /* | |
765 | * Sync on a MJPEG buffer | |
766 | */ | |
767 | ||
e5ee3f64 | 768 | static int jpg_sync(struct zoran_fh *fh, struct zoran_sync *bs) |
1da177e4 | 769 | { |
1da177e4 LT |
770 | struct zoran *zr = fh->zr; |
771 | unsigned long flags; | |
772 | int frame; | |
773 | ||
1159b7f1 | 774 | if (fh->buffers.active == ZORAN_FREE) { |
1da177e4 LT |
775 | dprintk(1, |
776 | KERN_ERR | |
c61402ba TP |
777 | "%s: %s - capture is not currently active\n", |
778 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
779 | return -EINVAL; |
780 | } | |
781 | if (zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS && | |
782 | zr->codec_mode != BUZ_MODE_MOTION_COMPRESS) { | |
783 | dprintk(1, | |
784 | KERN_ERR | |
c61402ba TP |
785 | "%s: %s - codec not in streaming mode\n", |
786 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
787 | return -EINVAL; |
788 | } | |
7b962d43 | 789 | mutex_unlock(&zr->lock); |
1da177e4 LT |
790 | if (!wait_event_interruptible_timeout(zr->jpg_capq, |
791 | (zr->jpg_que_tail != zr->jpg_dma_tail || | |
792 | zr->jpg_dma_tail == zr->jpg_dma_head), | |
793 | 10*HZ)) { | |
794 | int isr; | |
795 | ||
796 | btand(~ZR36057_JMC_Go_en, ZR36057_JMC); | |
797 | udelay(1); | |
798 | zr->codec->control(zr->codec, CODEC_G_STATUS, | |
799 | sizeof(isr), &isr); | |
7b962d43 | 800 | mutex_lock(&zr->lock); |
1da177e4 LT |
801 | dprintk(1, |
802 | KERN_ERR | |
c61402ba TP |
803 | "%s: %s - timeout: codec isr=0x%02x\n", |
804 | ZR_DEVNAME(zr), __func__, isr); | |
1da177e4 LT |
805 | |
806 | return -ETIME; | |
807 | ||
808 | } | |
7b962d43 | 809 | mutex_lock(&zr->lock); |
1da177e4 LT |
810 | if (signal_pending(current)) |
811 | return -ERESTARTSYS; | |
812 | ||
813 | spin_lock_irqsave(&zr->spinlock, flags); | |
814 | ||
815 | if (zr->jpg_dma_tail != zr->jpg_dma_head) | |
816 | frame = zr->jpg_pend[zr->jpg_que_tail++ & BUZ_MASK_FRAME]; | |
817 | else | |
818 | frame = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME]; | |
819 | ||
820 | /* buffer should now be in BUZ_STATE_DONE */ | |
18b548ca JD |
821 | if (zr->jpg_buffers.buffer[frame].state != BUZ_STATE_DONE) |
822 | dprintk(2, | |
c61402ba TP |
823 | KERN_ERR "%s: %s - internal state error\n", |
824 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
825 | |
826 | *bs = zr->jpg_buffers.buffer[frame].bs; | |
827 | bs->frame = frame; | |
828 | zr->jpg_buffers.buffer[frame].state = BUZ_STATE_USER; | |
1159b7f1 | 829 | fh->buffers.buffer[frame] = zr->jpg_buffers.buffer[frame]; |
1da177e4 LT |
830 | |
831 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
832 | ||
833 | return 0; | |
834 | } | |
835 | ||
e5ee3f64 | 836 | static void zoran_open_init_session(struct zoran_fh *fh) |
1da177e4 LT |
837 | { |
838 | int i; | |
1da177e4 LT |
839 | struct zoran *zr = fh->zr; |
840 | ||
841 | /* Per default, map the V4L Buffers */ | |
1159b7f1 | 842 | map_mode_raw(fh); |
1da177e4 LT |
843 | |
844 | /* take over the card's current settings */ | |
845 | fh->overlay_settings = zr->overlay_settings; | |
846 | fh->overlay_settings.is_set = 0; | |
847 | fh->overlay_settings.format = zr->overlay_settings.format; | |
848 | fh->overlay_active = ZORAN_FREE; | |
849 | ||
850 | /* v4l settings */ | |
851 | fh->v4l_settings = zr->v4l_settings; | |
1da177e4 LT |
852 | /* jpg settings */ |
853 | fh->jpg_settings = zr->jpg_settings; | |
854 | ||
1159b7f1 TP |
855 | /* buffers */ |
856 | memset(&fh->buffers, 0, sizeof(fh->buffers)); | |
857 | for (i = 0; i < MAX_FRAME; i++) { | |
858 | fh->buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ | |
859 | fh->buffers.buffer[i].bs.frame = i; | |
1da177e4 | 860 | } |
1159b7f1 TP |
861 | fh->buffers.allocated = 0; |
862 | fh->buffers.active = ZORAN_FREE; | |
1da177e4 LT |
863 | } |
864 | ||
e5ee3f64 | 865 | static void zoran_close_end_session(struct zoran_fh *fh) |
1da177e4 | 866 | { |
1da177e4 LT |
867 | struct zoran *zr = fh->zr; |
868 | ||
869 | /* overlay */ | |
870 | if (fh->overlay_active != ZORAN_FREE) { | |
871 | fh->overlay_active = zr->overlay_active = ZORAN_FREE; | |
872 | zr->v4l_overlay_active = 0; | |
873 | if (!zr->v4l_memgrab_active) | |
874 | zr36057_overlay(zr, 0); | |
875 | zr->overlay_mask = NULL; | |
876 | } | |
877 | ||
1159b7f1 TP |
878 | if (fh->map_mode == ZORAN_MAP_MODE_RAW) { |
879 | /* v4l capture */ | |
880 | if (fh->buffers.active != ZORAN_FREE) { | |
881 | unsigned long flags; | |
9896bbc1 | 882 | |
1159b7f1 TP |
883 | spin_lock_irqsave(&zr->spinlock, flags); |
884 | zr36057_set_memgrab(zr, 0); | |
885 | zr->v4l_buffers.allocated = 0; | |
886 | zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE; | |
887 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
888 | } | |
1da177e4 | 889 | |
1159b7f1 TP |
890 | /* v4l buffers */ |
891 | if (fh->buffers.allocated) | |
e5ee3f64 | 892 | v4l_fbuffer_free(fh); |
1159b7f1 TP |
893 | } else { |
894 | /* jpg capture */ | |
895 | if (fh->buffers.active != ZORAN_FREE) { | |
896 | zr36057_enable_jpg(zr, BUZ_MODE_IDLE); | |
897 | zr->jpg_buffers.allocated = 0; | |
898 | zr->jpg_buffers.active = fh->buffers.active = ZORAN_FREE; | |
899 | } | |
1da177e4 | 900 | |
1159b7f1 TP |
901 | /* jpg buffers */ |
902 | if (fh->buffers.allocated) | |
e5ee3f64 | 903 | jpg_fbuffer_free(fh); |
1da177e4 | 904 | } |
1da177e4 LT |
905 | } |
906 | ||
907 | /* | |
908 | * Open a zoran card. Right now the flags stuff is just playing | |
909 | */ | |
910 | ||
601139e0 | 911 | static int zoran_open(struct file *file) |
1da177e4 | 912 | { |
601139e0 | 913 | struct zoran *zr = video_drvdata(file); |
1da177e4 | 914 | struct zoran_fh *fh; |
fc96ab73 TP |
915 | int res, first_open = 0; |
916 | ||
c61402ba TP |
917 | dprintk(2, KERN_INFO "%s: %s(%s, pid=[%d]), users(-)=%d\n", |
918 | ZR_DEVNAME(zr), __func__, current->comm, task_pid_nr(current), zr->user + 1); | |
1da177e4 | 919 | |
7b962d43 | 920 | mutex_lock(&zr->lock); |
1da177e4 | 921 | |
fc96ab73 TP |
922 | if (zr->user >= 2048) { |
923 | dprintk(1, KERN_ERR "%s: too many users (%d) on device\n", | |
924 | ZR_DEVNAME(zr), zr->user); | |
925 | res = -EBUSY; | |
926 | goto fail_unlock; | |
927 | } | |
928 | ||
1da177e4 | 929 | /* now, create the open()-specific file_ops struct */ |
7408187d | 930 | fh = kzalloc(sizeof(struct zoran_fh), GFP_KERNEL); |
1da177e4 LT |
931 | if (!fh) { |
932 | dprintk(1, | |
933 | KERN_ERR | |
c61402ba TP |
934 | "%s: %s - allocation of zoran_fh failed\n", |
935 | ZR_DEVNAME(zr), __func__); | |
1da177e4 | 936 | res = -ENOMEM; |
0ab6e1c3 | 937 | goto fail_unlock; |
1da177e4 | 938 | } |
e56c597b HV |
939 | v4l2_fh_init(&fh->fh, video_devdata(file)); |
940 | ||
1da177e4 LT |
941 | /* used to be BUZ_MAX_WIDTH/HEIGHT, but that gives overflows |
942 | * on norm-change! */ | |
943 | fh->overlay_mask = | |
944 | kmalloc(((768 + 31) / 32) * 576 * 4, GFP_KERNEL); | |
945 | if (!fh->overlay_mask) { | |
946 | dprintk(1, | |
947 | KERN_ERR | |
c61402ba TP |
948 | "%s: %s - allocation of overlay_mask failed\n", |
949 | ZR_DEVNAME(zr), __func__); | |
1da177e4 | 950 | res = -ENOMEM; |
fc96ab73 | 951 | goto fail_fh; |
1da177e4 LT |
952 | } |
953 | ||
954 | if (zr->user++ == 0) | |
955 | first_open = 1; | |
956 | ||
1da177e4 LT |
957 | /* default setup - TODO: look at flags */ |
958 | if (first_open) { /* First device open */ | |
959 | zr36057_restart(zr); | |
960 | zoran_open_init_params(zr); | |
961 | zoran_init_hardware(zr); | |
962 | ||
963 | btor(ZR36057_ICR_IntPinEn, ZR36057_ICR); | |
964 | } | |
965 | ||
966 | /* set file_ops stuff */ | |
967 | file->private_data = fh; | |
968 | fh->zr = zr; | |
e5ee3f64 | 969 | zoran_open_init_session(fh); |
e56c597b | 970 | v4l2_fh_add(&fh->fh); |
7b962d43 | 971 | mutex_unlock(&zr->lock); |
1da177e4 LT |
972 | |
973 | return 0; | |
974 | ||
fc96ab73 | 975 | fail_fh: |
2217a1d1 | 976 | v4l2_fh_exit(&fh->fh); |
fc96ab73 | 977 | kfree(fh); |
fc96ab73 | 978 | fail_unlock: |
7b962d43 | 979 | mutex_unlock(&zr->lock); |
1da177e4 | 980 | |
fc96ab73 TP |
981 | dprintk(2, KERN_INFO "%s: open failed (%d), users(-)=%d\n", |
982 | ZR_DEVNAME(zr), res, zr->user); | |
983 | ||
1da177e4 LT |
984 | return res; |
985 | } | |
986 | ||
987 | static int | |
bec43661 | 988 | zoran_close(struct file *file) |
1da177e4 LT |
989 | { |
990 | struct zoran_fh *fh = file->private_data; | |
991 | struct zoran *zr = fh->zr; | |
992 | ||
c61402ba TP |
993 | dprintk(2, KERN_INFO "%s: %s(%s, pid=[%d]), users(+)=%d\n", |
994 | ZR_DEVNAME(zr), __func__, current->comm, task_pid_nr(current), zr->user - 1); | |
1da177e4 LT |
995 | |
996 | /* kernel locks (fs/device.c), so don't do that ourselves | |
997 | * (prevents deadlocks) */ | |
7b962d43 | 998 | mutex_lock(&zr->lock); |
1da177e4 | 999 | |
e5ee3f64 | 1000 | zoran_close_end_session(fh); |
1da177e4 LT |
1001 | |
1002 | if (zr->user-- == 1) { /* Last process */ | |
1003 | /* Clean up JPEG process */ | |
1004 | wake_up_interruptible(&zr->jpg_capq); | |
1005 | zr36057_enable_jpg(zr, BUZ_MODE_IDLE); | |
1006 | zr->jpg_buffers.allocated = 0; | |
1007 | zr->jpg_buffers.active = ZORAN_FREE; | |
1008 | ||
1009 | /* disable interrupts */ | |
1010 | btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); | |
1011 | ||
18b548ca | 1012 | if (zr36067_debug > 1) |
1da177e4 LT |
1013 | print_interrupts(zr); |
1014 | ||
1015 | /* Overlay off */ | |
1016 | zr->v4l_overlay_active = 0; | |
1017 | zr36057_overlay(zr, 0); | |
1018 | zr->overlay_mask = NULL; | |
1019 | ||
1020 | /* capture off */ | |
1021 | wake_up_interruptible(&zr->v4l_capq); | |
1022 | zr36057_set_memgrab(zr, 0); | |
1023 | zr->v4l_buffers.allocated = 0; | |
1024 | zr->v4l_buffers.active = ZORAN_FREE; | |
1025 | zoran_set_pci_master(zr, 0); | |
1026 | ||
1027 | if (!pass_through) { /* Switch to color bar */ | |
0ab6e1c3 | 1028 | decoder_call(zr, video, s_stream, 0); |
5325b427 | 1029 | encoder_call(zr, video, s_routing, 2, 0, 0); |
1da177e4 LT |
1030 | } |
1031 | } | |
7b962d43 | 1032 | mutex_unlock(&zr->lock); |
1da177e4 | 1033 | |
e56c597b HV |
1034 | v4l2_fh_del(&fh->fh); |
1035 | v4l2_fh_exit(&fh->fh); | |
1da177e4 LT |
1036 | kfree(fh->overlay_mask); |
1037 | kfree(fh); | |
1038 | ||
c61402ba | 1039 | dprintk(4, KERN_INFO "%s: %s done\n", ZR_DEVNAME(zr), __func__); |
1da177e4 LT |
1040 | |
1041 | return 0; | |
1042 | } | |
1043 | ||
e5ee3f64 | 1044 | static int setup_fbuffer(struct zoran_fh *fh, |
1da177e4 LT |
1045 | void *base, |
1046 | const struct zoran_format *fmt, | |
1047 | int width, | |
1048 | int height, | |
1049 | int bytesperline) | |
1050 | { | |
1da177e4 LT |
1051 | struct zoran *zr = fh->zr; |
1052 | ||
1053 | /* (Ronald) v4l/v4l2 guidelines */ | |
1054 | if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO)) | |
1055 | return -EPERM; | |
1056 | ||
e355880b AC |
1057 | /* Don't allow frame buffer overlay if PCI or AGP is buggy, or on |
1058 | ALi Magik (that needs very low latency while the card needs a | |
1059 | higher value always) */ | |
1060 | ||
1061 | if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK)) | |
1062 | return -ENXIO; | |
1063 | ||
1da177e4 LT |
1064 | /* we need a bytesperline value, even if not given */ |
1065 | if (!bytesperline) | |
1066 | bytesperline = width * ((fmt->depth + 7) & ~7) / 8; | |
1067 | ||
1068 | #if 0 | |
1069 | if (zr->overlay_active) { | |
1070 | /* dzjee... stupid users... don't even bother to turn off | |
1071 | * overlay before changing the memory location... | |
1072 | * normally, we would return errors here. However, one of | |
1073 | * the tools that does this is... xawtv! and since xawtv | |
1074 | * is used by +/- 99% of the users, we'd rather be user- | |
1075 | * friendly and silently do as if nothing went wrong */ | |
1076 | dprintk(3, | |
1077 | KERN_ERR | |
c61402ba TP |
1078 | "%s: %s - forced overlay turnoff because framebuffer changed\n", |
1079 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1080 | zr36057_overlay(zr, 0); |
1081 | } | |
1082 | #endif | |
1083 | ||
1084 | if (!(fmt->flags & ZORAN_FORMAT_OVERLAY)) { | |
1085 | dprintk(1, | |
1086 | KERN_ERR | |
c61402ba TP |
1087 | "%s: %s - no valid overlay format given\n", |
1088 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1089 | return -EINVAL; |
1090 | } | |
1091 | if (height <= 0 || width <= 0 || bytesperline <= 0) { | |
1092 | dprintk(1, | |
1093 | KERN_ERR | |
c61402ba TP |
1094 | "%s: %s - invalid height/width/bpl value (%d|%d|%d)\n", |
1095 | ZR_DEVNAME(zr), __func__, width, height, bytesperline); | |
1da177e4 LT |
1096 | return -EINVAL; |
1097 | } | |
1098 | if (bytesperline & 3) { | |
1099 | dprintk(1, | |
1100 | KERN_ERR | |
c61402ba TP |
1101 | "%s: %s - bytesperline (%d) must be 4-byte aligned\n", |
1102 | ZR_DEVNAME(zr), __func__, bytesperline); | |
1da177e4 LT |
1103 | return -EINVAL; |
1104 | } | |
1105 | ||
7f6adeaf HV |
1106 | zr->vbuf_base = (void *) ((unsigned long) base & ~3); |
1107 | zr->vbuf_height = height; | |
1108 | zr->vbuf_width = width; | |
1109 | zr->vbuf_depth = fmt->depth; | |
1da177e4 | 1110 | zr->overlay_settings.format = fmt; |
7f6adeaf | 1111 | zr->vbuf_bytesperline = bytesperline; |
1da177e4 LT |
1112 | |
1113 | /* The user should set new window parameters */ | |
1114 | zr->overlay_settings.is_set = 0; | |
1115 | ||
1116 | return 0; | |
1117 | } | |
1118 | ||
1119 | ||
32898a14 XW |
1120 | static int setup_window(struct zoran_fh *fh, |
1121 | int x, | |
1122 | int y, | |
1123 | int width, | |
1124 | int height, | |
1125 | struct v4l2_clip __user *clips, | |
1126 | unsigned int clipcount, | |
1127 | void __user *bitmap) | |
1da177e4 | 1128 | { |
1da177e4 | 1129 | struct zoran *zr = fh->zr; |
7f6adeaf | 1130 | struct v4l2_clip *vcp = NULL; |
1da177e4 LT |
1131 | int on, end; |
1132 | ||
1133 | ||
7f6adeaf | 1134 | if (!zr->vbuf_base) { |
1da177e4 LT |
1135 | dprintk(1, |
1136 | KERN_ERR | |
c61402ba TP |
1137 | "%s: %s - frame buffer has to be set first\n", |
1138 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1139 | return -EINVAL; |
1140 | } | |
1141 | ||
1142 | if (!fh->overlay_settings.format) { | |
1143 | dprintk(1, | |
1144 | KERN_ERR | |
c61402ba TP |
1145 | "%s: %s - no overlay format set\n", |
1146 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1147 | return -EINVAL; |
1148 | } | |
1149 | ||
32898a14 XW |
1150 | if (clipcount > 2048) { |
1151 | dprintk(1, | |
1152 | KERN_ERR | |
1153 | "%s: %s - invalid clipcount\n", | |
1154 | ZR_DEVNAME(zr), __func__); | |
1155 | return -EINVAL; | |
1156 | } | |
1157 | ||
1da177e4 LT |
1158 | /* |
1159 | * The video front end needs 4-byte alinged line sizes, we correct that | |
1160 | * silently here if necessary | |
1161 | */ | |
7f6adeaf | 1162 | if (zr->vbuf_depth == 15 || zr->vbuf_depth == 16) { |
1da177e4 LT |
1163 | end = (x + width) & ~1; /* round down */ |
1164 | x = (x + 1) & ~1; /* round up */ | |
1165 | width = end - x; | |
1166 | } | |
1167 | ||
7f6adeaf | 1168 | if (zr->vbuf_depth == 24) { |
1da177e4 LT |
1169 | end = (x + width) & ~3; /* round down */ |
1170 | x = (x + 3) & ~3; /* round up */ | |
1171 | width = end - x; | |
1172 | } | |
1173 | ||
1174 | if (width > BUZ_MAX_WIDTH) | |
1175 | width = BUZ_MAX_WIDTH; | |
1176 | if (height > BUZ_MAX_HEIGHT) | |
1177 | height = BUZ_MAX_HEIGHT; | |
1178 | ||
817f2c84 | 1179 | /* Check for invalid parameters */ |
1da177e4 LT |
1180 | if (width < BUZ_MIN_WIDTH || height < BUZ_MIN_HEIGHT || |
1181 | width > BUZ_MAX_WIDTH || height > BUZ_MAX_HEIGHT) { | |
1182 | dprintk(1, | |
1183 | KERN_ERR | |
c61402ba TP |
1184 | "%s: %s - width = %d or height = %d invalid\n", |
1185 | ZR_DEVNAME(zr), __func__, width, height); | |
1da177e4 LT |
1186 | return -EINVAL; |
1187 | } | |
1188 | ||
1189 | fh->overlay_settings.x = x; | |
1190 | fh->overlay_settings.y = y; | |
1191 | fh->overlay_settings.width = width; | |
1192 | fh->overlay_settings.height = height; | |
1193 | fh->overlay_settings.clipcount = clipcount; | |
1194 | ||
1195 | /* | |
1196 | * If an overlay is running, we have to switch it off | |
1197 | * and switch it on again in order to get the new settings in effect. | |
1198 | * | |
1199 | * We also want to avoid that the overlay mask is written | |
1200 | * when an overlay is running. | |
1201 | */ | |
1202 | ||
1203 | on = zr->v4l_overlay_active && !zr->v4l_memgrab_active && | |
1204 | zr->overlay_active != ZORAN_FREE && | |
1205 | fh->overlay_active != ZORAN_FREE; | |
1206 | if (on) | |
1207 | zr36057_overlay(zr, 0); | |
1208 | ||
1209 | /* | |
1210 | * Write the overlay mask if clips are wanted. | |
1211 | * We prefer a bitmap. | |
1212 | */ | |
1213 | if (bitmap) { | |
1214 | /* fake value - it just means we want clips */ | |
1215 | fh->overlay_settings.clipcount = 1; | |
1216 | ||
1217 | if (copy_from_user(fh->overlay_mask, bitmap, | |
1218 | (width * height + 7) / 8)) { | |
1219 | return -EFAULT; | |
1220 | } | |
32898a14 | 1221 | } else if (clipcount) { |
1da177e4 | 1222 | /* write our own bitmap from the clips */ |
7f6adeaf | 1223 | vcp = vmalloc(sizeof(struct v4l2_clip) * (clipcount + 4)); |
1da177e4 LT |
1224 | if (vcp == NULL) { |
1225 | dprintk(1, | |
1226 | KERN_ERR | |
c61402ba TP |
1227 | "%s: %s - Alloc of clip mask failed\n", |
1228 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1229 | return -ENOMEM; |
1230 | } | |
1231 | if (copy_from_user | |
7f6adeaf | 1232 | (vcp, clips, sizeof(struct v4l2_clip) * clipcount)) { |
1da177e4 LT |
1233 | vfree(vcp); |
1234 | return -EFAULT; | |
1235 | } | |
e5ee3f64 | 1236 | write_overlay_mask(fh, vcp, clipcount); |
1da177e4 LT |
1237 | vfree(vcp); |
1238 | } | |
1239 | ||
1240 | fh->overlay_settings.is_set = 1; | |
1241 | if (fh->overlay_active != ZORAN_FREE && | |
1242 | zr->overlay_active != ZORAN_FREE) | |
1243 | zr->overlay_settings = fh->overlay_settings; | |
1244 | ||
1245 | if (on) | |
1246 | zr36057_overlay(zr, 1); | |
1247 | ||
1248 | /* Make sure the changes come into effect */ | |
1249 | return wait_grab_pending(zr); | |
1250 | } | |
1251 | ||
e5ee3f64 | 1252 | static int setup_overlay(struct zoran_fh *fh, int on) |
1da177e4 | 1253 | { |
1da177e4 LT |
1254 | struct zoran *zr = fh->zr; |
1255 | ||
25985edc | 1256 | /* If there is nothing to do, return immediately */ |
1da177e4 LT |
1257 | if ((on && fh->overlay_active != ZORAN_FREE) || |
1258 | (!on && fh->overlay_active == ZORAN_FREE)) | |
1259 | return 0; | |
1260 | ||
1261 | /* check whether we're touching someone else's overlay */ | |
1262 | if (on && zr->overlay_active != ZORAN_FREE && | |
1263 | fh->overlay_active == ZORAN_FREE) { | |
1264 | dprintk(1, | |
1265 | KERN_ERR | |
c61402ba TP |
1266 | "%s: %s - overlay is already active for another session\n", |
1267 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1268 | return -EBUSY; |
1269 | } | |
1270 | if (!on && zr->overlay_active != ZORAN_FREE && | |
1271 | fh->overlay_active == ZORAN_FREE) { | |
1272 | dprintk(1, | |
1273 | KERN_ERR | |
c61402ba TP |
1274 | "%s: %s - you cannot cancel someone else's session\n", |
1275 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1276 | return -EPERM; |
1277 | } | |
1278 | ||
1279 | if (on == 0) { | |
1280 | zr->overlay_active = fh->overlay_active = ZORAN_FREE; | |
1281 | zr->v4l_overlay_active = 0; | |
1282 | /* When a grab is running, the video simply | |
1283 | * won't be switched on any more */ | |
1284 | if (!zr->v4l_memgrab_active) | |
1285 | zr36057_overlay(zr, 0); | |
1286 | zr->overlay_mask = NULL; | |
1287 | } else { | |
7f6adeaf | 1288 | if (!zr->vbuf_base || !fh->overlay_settings.is_set) { |
1da177e4 LT |
1289 | dprintk(1, |
1290 | KERN_ERR | |
c61402ba TP |
1291 | "%s: %s - buffer or window not set\n", |
1292 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1293 | return -EINVAL; |
1294 | } | |
1295 | if (!fh->overlay_settings.format) { | |
1296 | dprintk(1, | |
1297 | KERN_ERR | |
c61402ba TP |
1298 | "%s: %s - no overlay format set\n", |
1299 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1300 | return -EINVAL; |
1301 | } | |
1302 | zr->overlay_active = fh->overlay_active = ZORAN_LOCKED; | |
1303 | zr->v4l_overlay_active = 1; | |
1304 | zr->overlay_mask = fh->overlay_mask; | |
1305 | zr->overlay_settings = fh->overlay_settings; | |
1306 | if (!zr->v4l_memgrab_active) | |
1307 | zr36057_overlay(zr, 1); | |
1308 | /* When a grab is running, the video will be | |
1309 | * switched on when grab is finished */ | |
1310 | } | |
1311 | ||
1312 | /* Make sure the changes come into effect */ | |
1313 | return wait_grab_pending(zr); | |
1314 | } | |
1315 | ||
e5ee3f64 TP |
1316 | /* get the status of a buffer in the clients buffer queue */ |
1317 | static int zoran_v4l2_buffer_status(struct zoran_fh *fh, | |
1318 | struct v4l2_buffer *buf, int num) | |
1da177e4 | 1319 | { |
1da177e4 | 1320 | struct zoran *zr = fh->zr; |
1159b7f1 | 1321 | unsigned long flags; |
1da177e4 | 1322 | |
1b18e7a0 | 1323 | buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
1da177e4 LT |
1324 | |
1325 | switch (fh->map_mode) { | |
1326 | case ZORAN_MAP_MODE_RAW: | |
1da177e4 | 1327 | /* check range */ |
1159b7f1 TP |
1328 | if (num < 0 || num >= fh->buffers.num_buffers || |
1329 | !fh->buffers.allocated) { | |
1da177e4 LT |
1330 | dprintk(1, |
1331 | KERN_ERR | |
c61402ba TP |
1332 | "%s: %s - wrong number or buffers not allocated\n", |
1333 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1334 | return -EINVAL; |
1335 | } | |
1336 | ||
1159b7f1 TP |
1337 | spin_lock_irqsave(&zr->spinlock, flags); |
1338 | dprintk(3, | |
1339 | KERN_DEBUG | |
1340 | "%s: %s() - raw active=%c, buffer %d: state=%c, map=%c\n", | |
1341 | ZR_DEVNAME(zr), __func__, | |
1342 | "FAL"[fh->buffers.active], num, | |
1343 | "UPMD"[zr->v4l_buffers.buffer[num].state], | |
1344 | fh->buffers.buffer[num].map ? 'Y' : 'N'); | |
1345 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
1346 | ||
1da177e4 | 1347 | buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1159b7f1 | 1348 | buf->length = fh->buffers.buffer_size; |
1da177e4 LT |
1349 | |
1350 | /* get buffer */ | |
1159b7f1 TP |
1351 | buf->bytesused = fh->buffers.buffer[num].bs.length; |
1352 | if (fh->buffers.buffer[num].state == BUZ_STATE_DONE || | |
1353 | fh->buffers.buffer[num].state == BUZ_STATE_USER) { | |
1354 | buf->sequence = fh->buffers.buffer[num].bs.seq; | |
1da177e4 | 1355 | buf->flags |= V4L2_BUF_FLAG_DONE; |
1159b7f1 | 1356 | buf->timestamp = fh->buffers.buffer[num].bs.timestamp; |
1da177e4 LT |
1357 | } else { |
1358 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1359 | } | |
1360 | ||
1361 | if (fh->v4l_settings.height <= BUZ_MAX_HEIGHT / 2) | |
1362 | buf->field = V4L2_FIELD_TOP; | |
1363 | else | |
1364 | buf->field = V4L2_FIELD_INTERLACED; | |
1365 | ||
1366 | break; | |
1367 | ||
1368 | case ZORAN_MAP_MODE_JPG_REC: | |
1369 | case ZORAN_MAP_MODE_JPG_PLAY: | |
1370 | ||
1371 | /* check range */ | |
1159b7f1 TP |
1372 | if (num < 0 || num >= fh->buffers.num_buffers || |
1373 | !fh->buffers.allocated) { | |
1da177e4 LT |
1374 | dprintk(1, |
1375 | KERN_ERR | |
c61402ba TP |
1376 | "%s: %s - wrong number or buffers not allocated\n", |
1377 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1378 | return -EINVAL; |
1379 | } | |
1380 | ||
1381 | buf->type = (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) ? | |
1382 | V4L2_BUF_TYPE_VIDEO_CAPTURE : | |
1383 | V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
1159b7f1 | 1384 | buf->length = fh->buffers.buffer_size; |
1da177e4 LT |
1385 | |
1386 | /* these variables are only written after frame has been captured */ | |
1159b7f1 TP |
1387 | if (fh->buffers.buffer[num].state == BUZ_STATE_DONE || |
1388 | fh->buffers.buffer[num].state == BUZ_STATE_USER) { | |
1389 | buf->sequence = fh->buffers.buffer[num].bs.seq; | |
1390 | buf->timestamp = fh->buffers.buffer[num].bs.timestamp; | |
1391 | buf->bytesused = fh->buffers.buffer[num].bs.length; | |
1da177e4 LT |
1392 | buf->flags |= V4L2_BUF_FLAG_DONE; |
1393 | } else { | |
1394 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1395 | } | |
1396 | ||
1397 | /* which fields are these? */ | |
1398 | if (fh->jpg_settings.TmpDcm != 1) | |
1159b7f1 TP |
1399 | buf->field = fh->jpg_settings.odd_even ? |
1400 | V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM; | |
1da177e4 | 1401 | else |
1159b7f1 TP |
1402 | buf->field = fh->jpg_settings.odd_even ? |
1403 | V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT; | |
1da177e4 LT |
1404 | |
1405 | break; | |
1406 | ||
1407 | default: | |
1408 | ||
1409 | dprintk(5, | |
1410 | KERN_ERR | |
c61402ba TP |
1411 | "%s: %s - invalid buffer type|map_mode (%d|%d)\n", |
1412 | ZR_DEVNAME(zr), __func__, buf->type, fh->map_mode); | |
1da177e4 LT |
1413 | return -EINVAL; |
1414 | } | |
1415 | ||
1416 | buf->memory = V4L2_MEMORY_MMAP; | |
1417 | buf->index = num; | |
1418 | buf->m.offset = buf->length * num; | |
1419 | ||
1420 | return 0; | |
1421 | } | |
1da177e4 LT |
1422 | |
1423 | static int | |
1424 | zoran_set_norm (struct zoran *zr, | |
107063c6 | 1425 | v4l2_std_id norm) |
1da177e4 | 1426 | { |
107063c6 | 1427 | int on; |
1da177e4 LT |
1428 | |
1429 | if (zr->v4l_buffers.active != ZORAN_FREE || | |
1430 | zr->jpg_buffers.active != ZORAN_FREE) { | |
1431 | dprintk(1, | |
1432 | KERN_WARNING | |
c61402ba TP |
1433 | "%s: %s called while in playback/capture mode\n", |
1434 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1435 | return -EBUSY; |
1436 | } | |
1437 | ||
107063c6 | 1438 | if (!(norm & zr->card.norms)) { |
1da177e4 | 1439 | dprintk(1, |
c61402ba TP |
1440 | KERN_ERR "%s: %s - unsupported norm %llx\n", |
1441 | ZR_DEVNAME(zr), __func__, norm); | |
1da177e4 LT |
1442 | return -EINVAL; |
1443 | } | |
1444 | ||
107063c6 HV |
1445 | if (norm & V4L2_STD_SECAM) |
1446 | zr->timing = zr->card.tvn[2]; | |
1447 | else if (norm & V4L2_STD_NTSC) | |
1448 | zr->timing = zr->card.tvn[1]; | |
1449 | else | |
1450 | zr->timing = zr->card.tvn[0]; | |
1da177e4 LT |
1451 | |
1452 | /* We switch overlay off and on since a change in the | |
1453 | * norm needs different VFE settings */ | |
1454 | on = zr->overlay_active && !zr->v4l_memgrab_active; | |
1455 | if (on) | |
1456 | zr36057_overlay(zr, 0); | |
1457 | ||
8774bed9 | 1458 | decoder_call(zr, video, s_std, norm); |
0ab6e1c3 | 1459 | encoder_call(zr, video, s_std_output, norm); |
1da177e4 LT |
1460 | |
1461 | if (on) | |
1462 | zr36057_overlay(zr, 1); | |
1463 | ||
1464 | /* Make sure the changes come into effect */ | |
1465 | zr->norm = norm; | |
1466 | ||
1467 | return 0; | |
1468 | } | |
1469 | ||
1470 | static int | |
1471 | zoran_set_input (struct zoran *zr, | |
1472 | int input) | |
1473 | { | |
1da177e4 LT |
1474 | if (input == zr->input) { |
1475 | return 0; | |
1476 | } | |
1477 | ||
1478 | if (zr->v4l_buffers.active != ZORAN_FREE || | |
1479 | zr->jpg_buffers.active != ZORAN_FREE) { | |
1480 | dprintk(1, | |
1481 | KERN_WARNING | |
c61402ba TP |
1482 | "%s: %s called while in playback/capture mode\n", |
1483 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
1484 | return -EBUSY; |
1485 | } | |
1486 | ||
1487 | if (input < 0 || input >= zr->card.inputs) { | |
1488 | dprintk(1, | |
1489 | KERN_ERR | |
4c0c596a | 1490 | "%s: %s - unsupported input %d\n", |
c61402ba | 1491 | ZR_DEVNAME(zr), __func__, input); |
1da177e4 LT |
1492 | return -EINVAL; |
1493 | } | |
1494 | ||
1da177e4 LT |
1495 | zr->input = input; |
1496 | ||
5325b427 HV |
1497 | decoder_call(zr, video, s_routing, |
1498 | zr->card.input[input].muxsel, 0, 0); | |
1da177e4 LT |
1499 | |
1500 | return 0; | |
1501 | } | |
1502 | ||
1503 | /* | |
1504 | * ioctl routine | |
1505 | */ | |
1506 | ||
96b8e145 HV |
1507 | static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability *cap) |
1508 | { | |
1509 | struct zoran_fh *fh = __fh; | |
1510 | struct zoran *zr = fh->zr; | |
1da177e4 | 1511 | |
96b8e145 HV |
1512 | strncpy(cap->card, ZR_DEVNAME(zr), sizeof(cap->card)-1); |
1513 | strncpy(cap->driver, "zoran", sizeof(cap->driver)-1); | |
1514 | snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", | |
1515 | pci_name(zr->pci_dev)); | |
2eb3b1ad HV |
1516 | cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE | |
1517 | V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_VIDEO_OVERLAY; | |
1518 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
96b8e145 HV |
1519 | return 0; |
1520 | } | |
1da177e4 | 1521 | |
96b8e145 HV |
1522 | static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag) |
1523 | { | |
171f48e2 TP |
1524 | unsigned int num, i; |
1525 | ||
1526 | for (num = i = 0; i < NUM_FORMATS; i++) { | |
1527 | if (zoran_formats[i].flags & flag && num++ == fmt->index) { | |
1528 | strncpy(fmt->description, zoran_formats[i].name, | |
1529 | sizeof(fmt->description) - 1); | |
42b2aa86 | 1530 | /* fmt struct pre-zeroed, so adding '\0' not needed */ |
171f48e2 TP |
1531 | fmt->pixelformat = zoran_formats[i].fourcc; |
1532 | if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED) | |
1533 | fmt->flags |= V4L2_FMT_FLAG_COMPRESSED; | |
1534 | return 0; | |
1535 | } | |
1da177e4 | 1536 | } |
171f48e2 | 1537 | return -EINVAL; |
96b8e145 | 1538 | } |
1da177e4 | 1539 | |
96b8e145 HV |
1540 | static int zoran_enum_fmt_vid_cap(struct file *file, void *__fh, |
1541 | struct v4l2_fmtdesc *f) | |
1542 | { | |
1543 | struct zoran_fh *fh = __fh; | |
1544 | struct zoran *zr = fh->zr; | |
1da177e4 | 1545 | |
96b8e145 HV |
1546 | return zoran_enum_fmt(zr, f, ZORAN_FORMAT_CAPTURE); |
1547 | } | |
1da177e4 | 1548 | |
96b8e145 HV |
1549 | static int zoran_enum_fmt_vid_out(struct file *file, void *__fh, |
1550 | struct v4l2_fmtdesc *f) | |
1551 | { | |
1552 | struct zoran_fh *fh = __fh; | |
1553 | struct zoran *zr = fh->zr; | |
1da177e4 | 1554 | |
96b8e145 HV |
1555 | return zoran_enum_fmt(zr, f, ZORAN_FORMAT_PLAYBACK); |
1556 | } | |
1da177e4 | 1557 | |
96b8e145 HV |
1558 | static int zoran_enum_fmt_vid_overlay(struct file *file, void *__fh, |
1559 | struct v4l2_fmtdesc *f) | |
1560 | { | |
1561 | struct zoran_fh *fh = __fh; | |
1562 | struct zoran *zr = fh->zr; | |
1da177e4 | 1563 | |
96b8e145 HV |
1564 | return zoran_enum_fmt(zr, f, ZORAN_FORMAT_OVERLAY); |
1565 | } | |
1da177e4 | 1566 | |
96b8e145 HV |
1567 | static int zoran_g_fmt_vid_out(struct file *file, void *__fh, |
1568 | struct v4l2_format *fmt) | |
1569 | { | |
1570 | struct zoran_fh *fh = __fh; | |
1da177e4 | 1571 | |
96b8e145 | 1572 | fmt->fmt.pix.width = fh->jpg_settings.img_width / fh->jpg_settings.HorDcm; |
5ca75b00 | 1573 | fmt->fmt.pix.height = fh->jpg_settings.img_height * 2 / |
96b8e145 HV |
1574 | (fh->jpg_settings.VerDcm * fh->jpg_settings.TmpDcm); |
1575 | fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&fh->jpg_settings); | |
1576 | fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG; | |
1577 | if (fh->jpg_settings.TmpDcm == 1) | |
1578 | fmt->fmt.pix.field = (fh->jpg_settings.odd_even ? | |
3e66793b | 1579 | V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT); |
96b8e145 HV |
1580 | else |
1581 | fmt->fmt.pix.field = (fh->jpg_settings.odd_even ? | |
1582 | V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); | |
1583 | fmt->fmt.pix.bytesperline = 0; | |
1584 | fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1da177e4 | 1585 | |
96b8e145 HV |
1586 | return 0; |
1587 | } | |
1da177e4 | 1588 | |
96b8e145 HV |
1589 | static int zoran_g_fmt_vid_cap(struct file *file, void *__fh, |
1590 | struct v4l2_format *fmt) | |
1591 | { | |
1592 | struct zoran_fh *fh = __fh; | |
1593 | struct zoran *zr = fh->zr; | |
1da177e4 | 1594 | |
96b8e145 HV |
1595 | if (fh->map_mode != ZORAN_MAP_MODE_RAW) |
1596 | return zoran_g_fmt_vid_out(file, fh, fmt); | |
1da177e4 | 1597 | |
96b8e145 HV |
1598 | fmt->fmt.pix.width = fh->v4l_settings.width; |
1599 | fmt->fmt.pix.height = fh->v4l_settings.height; | |
1600 | fmt->fmt.pix.sizeimage = fh->v4l_settings.bytesperline * | |
1601 | fh->v4l_settings.height; | |
1602 | fmt->fmt.pix.pixelformat = fh->v4l_settings.format->fourcc; | |
1603 | fmt->fmt.pix.colorspace = fh->v4l_settings.format->colorspace; | |
1604 | fmt->fmt.pix.bytesperline = fh->v4l_settings.bytesperline; | |
1605 | if (BUZ_MAX_HEIGHT < (fh->v4l_settings.height * 2)) | |
1606 | fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1607 | else | |
1608 | fmt->fmt.pix.field = V4L2_FIELD_TOP; | |
96b8e145 HV |
1609 | return 0; |
1610 | } | |
1da177e4 | 1611 | |
96b8e145 HV |
1612 | static int zoran_g_fmt_vid_overlay(struct file *file, void *__fh, |
1613 | struct v4l2_format *fmt) | |
1614 | { | |
1615 | struct zoran_fh *fh = __fh; | |
1616 | struct zoran *zr = fh->zr; | |
1da177e4 | 1617 | |
96b8e145 HV |
1618 | fmt->fmt.win.w.left = fh->overlay_settings.x; |
1619 | fmt->fmt.win.w.top = fh->overlay_settings.y; | |
1620 | fmt->fmt.win.w.width = fh->overlay_settings.width; | |
1621 | fmt->fmt.win.w.height = fh->overlay_settings.height; | |
1622 | if (fh->overlay_settings.width * 2 > BUZ_MAX_HEIGHT) | |
1623 | fmt->fmt.win.field = V4L2_FIELD_INTERLACED; | |
1624 | else | |
1625 | fmt->fmt.win.field = V4L2_FIELD_TOP; | |
1da177e4 | 1626 | |
96b8e145 HV |
1627 | return 0; |
1628 | } | |
1da177e4 | 1629 | |
96b8e145 HV |
1630 | static int zoran_try_fmt_vid_overlay(struct file *file, void *__fh, |
1631 | struct v4l2_format *fmt) | |
1632 | { | |
1633 | struct zoran_fh *fh = __fh; | |
1634 | struct zoran *zr = fh->zr; | |
1da177e4 | 1635 | |
96b8e145 HV |
1636 | if (fmt->fmt.win.w.width > BUZ_MAX_WIDTH) |
1637 | fmt->fmt.win.w.width = BUZ_MAX_WIDTH; | |
1638 | if (fmt->fmt.win.w.width < BUZ_MIN_WIDTH) | |
1639 | fmt->fmt.win.w.width = BUZ_MIN_WIDTH; | |
1640 | if (fmt->fmt.win.w.height > BUZ_MAX_HEIGHT) | |
1641 | fmt->fmt.win.w.height = BUZ_MAX_HEIGHT; | |
1642 | if (fmt->fmt.win.w.height < BUZ_MIN_HEIGHT) | |
1643 | fmt->fmt.win.w.height = BUZ_MIN_HEIGHT; | |
1da177e4 | 1644 | |
96b8e145 HV |
1645 | return 0; |
1646 | } | |
1da177e4 | 1647 | |
96b8e145 HV |
1648 | static int zoran_try_fmt_vid_out(struct file *file, void *__fh, |
1649 | struct v4l2_format *fmt) | |
1650 | { | |
1651 | struct zoran_fh *fh = __fh; | |
1652 | struct zoran *zr = fh->zr; | |
1653 | struct zoran_jpg_settings settings; | |
1654 | int res = 0; | |
1da177e4 | 1655 | |
96b8e145 HV |
1656 | if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) |
1657 | return -EINVAL; | |
1da177e4 | 1658 | |
96b8e145 | 1659 | settings = fh->jpg_settings; |
1da177e4 | 1660 | |
96b8e145 HV |
1661 | /* we actually need to set 'real' parameters now */ |
1662 | if ((fmt->fmt.pix.height * 2) > BUZ_MAX_HEIGHT) | |
1663 | settings.TmpDcm = 1; | |
1664 | else | |
1665 | settings.TmpDcm = 2; | |
1666 | settings.decimation = 0; | |
1667 | if (fmt->fmt.pix.height <= fh->jpg_settings.img_height / 2) | |
1668 | settings.VerDcm = 2; | |
1669 | else | |
1670 | settings.VerDcm = 1; | |
1671 | if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 4) | |
1672 | settings.HorDcm = 4; | |
1673 | else if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 2) | |
1674 | settings.HorDcm = 2; | |
1675 | else | |
1676 | settings.HorDcm = 1; | |
1677 | if (settings.TmpDcm == 1) | |
1678 | settings.field_per_buff = 2; | |
1679 | else | |
1680 | settings.field_per_buff = 1; | |
1681 | ||
886fe23d HV |
1682 | if (settings.HorDcm > 1) { |
1683 | settings.img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; | |
1684 | settings.img_width = (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; | |
1685 | } else { | |
1686 | settings.img_x = 0; | |
1687 | settings.img_width = BUZ_MAX_WIDTH; | |
1688 | } | |
1689 | ||
96b8e145 | 1690 | /* check */ |
0ba514d5 | 1691 | res = zoran_check_jpg_settings(zr, &settings, 1); |
96b8e145 | 1692 | if (res) |
7b962d43 | 1693 | return res; |
96b8e145 HV |
1694 | |
1695 | /* tell the user what we actually did */ | |
1696 | fmt->fmt.pix.width = settings.img_width / settings.HorDcm; | |
1697 | fmt->fmt.pix.height = settings.img_height * 2 / | |
1698 | (settings.TmpDcm * settings.VerDcm); | |
1699 | if (settings.TmpDcm == 1) | |
1700 | fmt->fmt.pix.field = (fh->jpg_settings.odd_even ? | |
1701 | V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT); | |
1702 | else | |
1703 | fmt->fmt.pix.field = (fh->jpg_settings.odd_even ? | |
1704 | V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); | |
1da177e4 | 1705 | |
96b8e145 | 1706 | fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&settings); |
886fe23d HV |
1707 | fmt->fmt.pix.bytesperline = 0; |
1708 | fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
96b8e145 HV |
1709 | return res; |
1710 | } | |
1da177e4 | 1711 | |
96b8e145 HV |
1712 | static int zoran_try_fmt_vid_cap(struct file *file, void *__fh, |
1713 | struct v4l2_format *fmt) | |
1714 | { | |
1715 | struct zoran_fh *fh = __fh; | |
1716 | struct zoran *zr = fh->zr; | |
0ba514d5 | 1717 | int bpp; |
96b8e145 | 1718 | int i; |
1da177e4 | 1719 | |
96b8e145 HV |
1720 | if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) |
1721 | return zoran_try_fmt_vid_out(file, fh, fmt); | |
1da177e4 | 1722 | |
96b8e145 HV |
1723 | for (i = 0; i < NUM_FORMATS; i++) |
1724 | if (zoran_formats[i].fourcc == fmt->fmt.pix.pixelformat) | |
1725 | break; | |
1da177e4 | 1726 | |
7b962d43 | 1727 | if (i == NUM_FORMATS) |
96b8e145 | 1728 | return -EINVAL; |
1da177e4 | 1729 | |
728f5b93 TP |
1730 | bpp = DIV_ROUND_UP(zoran_formats[i].depth, 8); |
1731 | v4l_bound_align_image( | |
1732 | &fmt->fmt.pix.width, BUZ_MIN_WIDTH, BUZ_MAX_WIDTH, bpp == 2 ? 1 : 2, | |
1733 | &fmt->fmt.pix.height, BUZ_MIN_HEIGHT, BUZ_MAX_HEIGHT, 0, 0); | |
96b8e145 HV |
1734 | return 0; |
1735 | } | |
1da177e4 | 1736 | |
96b8e145 HV |
1737 | static int zoran_s_fmt_vid_overlay(struct file *file, void *__fh, |
1738 | struct v4l2_format *fmt) | |
1739 | { | |
1740 | struct zoran_fh *fh = __fh; | |
96b8e145 HV |
1741 | int res; |
1742 | ||
1743 | dprintk(3, "x=%d, y=%d, w=%d, h=%d, cnt=%d, map=0x%p\n", | |
1744 | fmt->fmt.win.w.left, fmt->fmt.win.w.top, | |
1745 | fmt->fmt.win.w.width, | |
1746 | fmt->fmt.win.w.height, | |
1747 | fmt->fmt.win.clipcount, | |
1748 | fmt->fmt.win.bitmap); | |
e5ee3f64 TP |
1749 | res = setup_window(fh, fmt->fmt.win.w.left, fmt->fmt.win.w.top, |
1750 | fmt->fmt.win.w.width, fmt->fmt.win.w.height, | |
1751 | (struct v4l2_clip __user *)fmt->fmt.win.clips, | |
1752 | fmt->fmt.win.clipcount, fmt->fmt.win.bitmap); | |
96b8e145 HV |
1753 | return res; |
1754 | } | |
1da177e4 | 1755 | |
96b8e145 HV |
1756 | static int zoran_s_fmt_vid_out(struct file *file, void *__fh, |
1757 | struct v4l2_format *fmt) | |
1758 | { | |
1759 | struct zoran_fh *fh = __fh; | |
1760 | struct zoran *zr = fh->zr; | |
1761 | __le32 printformat = __cpu_to_le32(fmt->fmt.pix.pixelformat); | |
1762 | struct zoran_jpg_settings settings; | |
1763 | int res = 0; | |
1da177e4 | 1764 | |
96b8e145 HV |
1765 | dprintk(3, "size=%dx%d, fmt=0x%x (%4.4s)\n", |
1766 | fmt->fmt.pix.width, fmt->fmt.pix.height, | |
1767 | fmt->fmt.pix.pixelformat, | |
1768 | (char *) &printformat); | |
1769 | if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1770 | return -EINVAL; | |
1da177e4 | 1771 | |
1159b7f1 | 1772 | if (fh->buffers.allocated) { |
96b8e145 | 1773 | dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n", |
1159b7f1 | 1774 | ZR_DEVNAME(zr)); |
96b8e145 | 1775 | res = -EBUSY; |
7b962d43 | 1776 | return res; |
96b8e145 | 1777 | } |
1da177e4 | 1778 | |
1159b7f1 TP |
1779 | settings = fh->jpg_settings; |
1780 | ||
96b8e145 | 1781 | /* we actually need to set 'real' parameters now */ |
7f37cc9b | 1782 | if (fmt->fmt.pix.height * 2 > BUZ_MAX_HEIGHT) |
96b8e145 HV |
1783 | settings.TmpDcm = 1; |
1784 | else | |
1785 | settings.TmpDcm = 2; | |
1786 | settings.decimation = 0; | |
1787 | if (fmt->fmt.pix.height <= fh->jpg_settings.img_height / 2) | |
1788 | settings.VerDcm = 2; | |
1789 | else | |
1790 | settings.VerDcm = 1; | |
1791 | if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 4) | |
1792 | settings.HorDcm = 4; | |
1793 | else if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 2) | |
1794 | settings.HorDcm = 2; | |
1795 | else | |
1796 | settings.HorDcm = 1; | |
1797 | if (settings.TmpDcm == 1) | |
1798 | settings.field_per_buff = 2; | |
1799 | else | |
1800 | settings.field_per_buff = 1; | |
1801 | ||
0ba514d5 HV |
1802 | if (settings.HorDcm > 1) { |
1803 | settings.img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; | |
1804 | settings.img_width = (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; | |
1805 | } else { | |
1806 | settings.img_x = 0; | |
1807 | settings.img_width = BUZ_MAX_WIDTH; | |
1808 | } | |
1809 | ||
96b8e145 | 1810 | /* check */ |
0ba514d5 | 1811 | res = zoran_check_jpg_settings(zr, &settings, 0); |
96b8e145 | 1812 | if (res) |
7b962d43 | 1813 | return res; |
96b8e145 HV |
1814 | |
1815 | /* it's ok, so set them */ | |
1816 | fh->jpg_settings = settings; | |
1817 | ||
1159b7f1 TP |
1818 | map_mode_jpg(fh, fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT); |
1819 | fh->buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings); | |
1820 | ||
96b8e145 HV |
1821 | /* tell the user what we actually did */ |
1822 | fmt->fmt.pix.width = settings.img_width / settings.HorDcm; | |
1823 | fmt->fmt.pix.height = settings.img_height * 2 / | |
1824 | (settings.TmpDcm * settings.VerDcm); | |
1825 | if (settings.TmpDcm == 1) | |
1826 | fmt->fmt.pix.field = (fh->jpg_settings.odd_even ? | |
1827 | V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT); | |
1828 | else | |
1829 | fmt->fmt.pix.field = (fh->jpg_settings.odd_even ? | |
1830 | V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); | |
96b8e145 | 1831 | fmt->fmt.pix.bytesperline = 0; |
1159b7f1 | 1832 | fmt->fmt.pix.sizeimage = fh->buffers.buffer_size; |
96b8e145 | 1833 | fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
96b8e145 HV |
1834 | return res; |
1835 | } | |
1da177e4 | 1836 | |
96b8e145 HV |
1837 | static int zoran_s_fmt_vid_cap(struct file *file, void *__fh, |
1838 | struct v4l2_format *fmt) | |
1839 | { | |
1840 | struct zoran_fh *fh = __fh; | |
1841 | struct zoran *zr = fh->zr; | |
1842 | int i; | |
1843 | int res = 0; | |
1da177e4 | 1844 | |
96b8e145 HV |
1845 | if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) |
1846 | return zoran_s_fmt_vid_out(file, fh, fmt); | |
1da177e4 | 1847 | |
96b8e145 HV |
1848 | for (i = 0; i < NUM_FORMATS; i++) |
1849 | if (fmt->fmt.pix.pixelformat == zoran_formats[i].fourcc) | |
1850 | break; | |
1851 | if (i == NUM_FORMATS) { | |
1852 | dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - unknown/unsupported format 0x%x\n", | |
1853 | ZR_DEVNAME(zr), fmt->fmt.pix.pixelformat); | |
1854 | return -EINVAL; | |
1da177e4 | 1855 | } |
1159b7f1 | 1856 | |
1159b7f1 TP |
1857 | if ((fh->map_mode != ZORAN_MAP_MODE_RAW && fh->buffers.allocated) || |
1858 | fh->buffers.active != ZORAN_FREE) { | |
96b8e145 HV |
1859 | dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n", |
1860 | ZR_DEVNAME(zr)); | |
1861 | res = -EBUSY; | |
7b962d43 | 1862 | return res; |
96b8e145 HV |
1863 | } |
1864 | if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT) | |
1865 | fmt->fmt.pix.height = BUZ_MAX_HEIGHT; | |
1866 | if (fmt->fmt.pix.width > BUZ_MAX_WIDTH) | |
1867 | fmt->fmt.pix.width = BUZ_MAX_WIDTH; | |
1868 | ||
1159b7f1 TP |
1869 | map_mode_raw(fh); |
1870 | ||
1871 | res = zoran_v4l_set_format(fh, fmt->fmt.pix.width, fmt->fmt.pix.height, | |
1872 | &zoran_formats[i]); | |
96b8e145 | 1873 | if (res) |
7b962d43 | 1874 | return res; |
96b8e145 | 1875 | |
1159b7f1 | 1876 | /* tell the user the results/missing stuff */ |
96b8e145 HV |
1877 | fmt->fmt.pix.bytesperline = fh->v4l_settings.bytesperline; |
1878 | fmt->fmt.pix.sizeimage = fh->v4l_settings.height * fh->v4l_settings.bytesperline; | |
1879 | fmt->fmt.pix.colorspace = fh->v4l_settings.format->colorspace; | |
1880 | if (BUZ_MAX_HEIGHT < (fh->v4l_settings.height * 2)) | |
1881 | fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1882 | else | |
1883 | fmt->fmt.pix.field = V4L2_FIELD_TOP; | |
96b8e145 HV |
1884 | return res; |
1885 | } | |
1da177e4 | 1886 | |
96b8e145 HV |
1887 | static int zoran_g_fbuf(struct file *file, void *__fh, |
1888 | struct v4l2_framebuffer *fb) | |
1889 | { | |
1890 | struct zoran_fh *fh = __fh; | |
1891 | struct zoran *zr = fh->zr; | |
1da177e4 | 1892 | |
96b8e145 | 1893 | memset(fb, 0, sizeof(*fb)); |
7f6adeaf HV |
1894 | fb->base = zr->vbuf_base; |
1895 | fb->fmt.width = zr->vbuf_width; | |
1896 | fb->fmt.height = zr->vbuf_height; | |
96b8e145 HV |
1897 | if (zr->overlay_settings.format) |
1898 | fb->fmt.pixelformat = fh->overlay_settings.format->fourcc; | |
7f6adeaf | 1899 | fb->fmt.bytesperline = zr->vbuf_bytesperline; |
96b8e145 HV |
1900 | fb->fmt.colorspace = V4L2_COLORSPACE_SRGB; |
1901 | fb->fmt.field = V4L2_FIELD_INTERLACED; | |
96b8e145 | 1902 | fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; |
1da177e4 | 1903 | |
96b8e145 HV |
1904 | return 0; |
1905 | } | |
1da177e4 | 1906 | |
96b8e145 | 1907 | static int zoran_s_fbuf(struct file *file, void *__fh, |
e6eb28c2 | 1908 | const struct v4l2_framebuffer *fb) |
96b8e145 HV |
1909 | { |
1910 | struct zoran_fh *fh = __fh; | |
1911 | struct zoran *zr = fh->zr; | |
1912 | int i, res = 0; | |
1913 | __le32 printformat = __cpu_to_le32(fb->fmt.pixelformat); | |
1da177e4 | 1914 | |
96b8e145 HV |
1915 | for (i = 0; i < NUM_FORMATS; i++) |
1916 | if (zoran_formats[i].fourcc == fb->fmt.pixelformat) | |
1da177e4 | 1917 | break; |
96b8e145 HV |
1918 | if (i == NUM_FORMATS) { |
1919 | dprintk(1, KERN_ERR "%s: VIDIOC_S_FBUF - format=0x%x (%4.4s) not allowed\n", | |
1920 | ZR_DEVNAME(zr), fb->fmt.pixelformat, | |
1921 | (char *)&printformat); | |
1922 | return -EINVAL; | |
1da177e4 | 1923 | } |
1da177e4 | 1924 | |
e5ee3f64 TP |
1925 | res = setup_fbuffer(fh, fb->base, &zoran_formats[i], fb->fmt.width, |
1926 | fb->fmt.height, fb->fmt.bytesperline); | |
1da177e4 | 1927 | |
96b8e145 HV |
1928 | return res; |
1929 | } | |
1da177e4 | 1930 | |
96b8e145 HV |
1931 | static int zoran_overlay(struct file *file, void *__fh, unsigned int on) |
1932 | { | |
1933 | struct zoran_fh *fh = __fh; | |
96b8e145 | 1934 | int res; |
1da177e4 | 1935 | |
e5ee3f64 | 1936 | res = setup_overlay(fh, on); |
1da177e4 | 1937 | |
96b8e145 HV |
1938 | return res; |
1939 | } | |
1da177e4 | 1940 | |
84c1b094 HV |
1941 | static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type type); |
1942 | ||
96b8e145 HV |
1943 | static int zoran_reqbufs(struct file *file, void *__fh, struct v4l2_requestbuffers *req) |
1944 | { | |
1945 | struct zoran_fh *fh = __fh; | |
1946 | struct zoran *zr = fh->zr; | |
1947 | int res = 0; | |
1da177e4 | 1948 | |
96b8e145 | 1949 | if (req->memory != V4L2_MEMORY_MMAP) { |
84c1b094 | 1950 | dprintk(2, |
96b8e145 HV |
1951 | KERN_ERR |
1952 | "%s: only MEMORY_MMAP capture is supported, not %d\n", | |
1953 | ZR_DEVNAME(zr), req->memory); | |
1954 | return -EINVAL; | |
1955 | } | |
1da177e4 | 1956 | |
84c1b094 HV |
1957 | if (req->count == 0) |
1958 | return zoran_streamoff(file, fh, req->type); | |
1da177e4 | 1959 | |
1159b7f1 | 1960 | if (fh->buffers.allocated) { |
84c1b094 | 1961 | dprintk(2, |
1da177e4 | 1962 | KERN_ERR |
7f37cc9b | 1963 | "%s: VIDIOC_REQBUFS - buffers already allocated\n", |
96b8e145 HV |
1964 | ZR_DEVNAME(zr)); |
1965 | res = -EBUSY; | |
7b962d43 | 1966 | return res; |
1da177e4 | 1967 | } |
1da177e4 | 1968 | |
96b8e145 | 1969 | if (fh->map_mode == ZORAN_MAP_MODE_RAW && |
1159b7f1 | 1970 | req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
96b8e145 HV |
1971 | /* control user input */ |
1972 | if (req->count < 2) | |
1973 | req->count = 2; | |
1974 | if (req->count > v4l_nbufs) | |
1975 | req->count = v4l_nbufs; | |
1159b7f1 TP |
1976 | |
1977 | /* The next mmap will map the V4L buffers */ | |
1978 | map_mode_raw(fh); | |
1979 | fh->buffers.num_buffers = req->count; | |
1da177e4 | 1980 | |
e5ee3f64 | 1981 | if (v4l_fbuffer_alloc(fh)) { |
96b8e145 | 1982 | res = -ENOMEM; |
7b962d43 | 1983 | return res; |
96b8e145 | 1984 | } |
96b8e145 | 1985 | } else if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC || |
1159b7f1 | 1986 | fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) { |
96b8e145 HV |
1987 | /* we need to calculate size ourselves now */ |
1988 | if (req->count < 4) | |
1989 | req->count = 4; | |
1990 | if (req->count > jpg_nbufs) | |
1991 | req->count = jpg_nbufs; | |
1159b7f1 TP |
1992 | |
1993 | /* The next mmap will map the MJPEG buffers */ | |
1994 | map_mode_jpg(fh, req->type == V4L2_BUF_TYPE_VIDEO_OUTPUT); | |
1995 | fh->buffers.num_buffers = req->count; | |
1996 | fh->buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings); | |
1da177e4 | 1997 | |
e5ee3f64 | 1998 | if (jpg_fbuffer_alloc(fh)) { |
96b8e145 | 1999 | res = -ENOMEM; |
7b962d43 | 2000 | return res; |
96b8e145 | 2001 | } |
96b8e145 HV |
2002 | } else { |
2003 | dprintk(1, | |
1da177e4 | 2004 | KERN_ERR |
96b8e145 HV |
2005 | "%s: VIDIOC_REQBUFS - unknown type %d\n", |
2006 | ZR_DEVNAME(zr), req->type); | |
2007 | res = -EINVAL; | |
7b962d43 | 2008 | return res; |
1da177e4 | 2009 | } |
96b8e145 HV |
2010 | return res; |
2011 | } | |
1da177e4 | 2012 | |
96b8e145 HV |
2013 | static int zoran_querybuf(struct file *file, void *__fh, struct v4l2_buffer *buf) |
2014 | { | |
2015 | struct zoran_fh *fh = __fh; | |
9cfb6a3f | 2016 | int res; |
1da177e4 | 2017 | |
e276f7b5 | 2018 | res = zoran_v4l2_buffer_status(fh, buf, buf->index); |
1da177e4 | 2019 | |
96b8e145 HV |
2020 | return res; |
2021 | } | |
1da177e4 | 2022 | |
96b8e145 HV |
2023 | static int zoran_qbuf(struct file *file, void *__fh, struct v4l2_buffer *buf) |
2024 | { | |
2025 | struct zoran_fh *fh = __fh; | |
2026 | struct zoran *zr = fh->zr; | |
2027 | int res = 0, codec_mode, buf_type; | |
1da177e4 | 2028 | |
96b8e145 HV |
2029 | switch (fh->map_mode) { |
2030 | case ZORAN_MAP_MODE_RAW: | |
2031 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
2032 | dprintk(1, KERN_ERR | |
2033 | "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n", | |
2034 | ZR_DEVNAME(zr), buf->type, fh->map_mode); | |
1da177e4 | 2035 | res = -EINVAL; |
7b962d43 | 2036 | return res; |
1da177e4 | 2037 | } |
1da177e4 | 2038 | |
e5ee3f64 | 2039 | res = zoran_v4l_queue_frame(fh, buf->index); |
96b8e145 | 2040 | if (res) |
7b962d43 | 2041 | return res; |
1159b7f1 | 2042 | if (!zr->v4l_memgrab_active && fh->buffers.active == ZORAN_LOCKED) |
96b8e145 | 2043 | zr36057_set_memgrab(zr, 1); |
1da177e4 LT |
2044 | break; |
2045 | ||
96b8e145 HV |
2046 | case ZORAN_MAP_MODE_JPG_REC: |
2047 | case ZORAN_MAP_MODE_JPG_PLAY: | |
2048 | if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) { | |
2049 | buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
2050 | codec_mode = BUZ_MODE_MOTION_DECOMPRESS; | |
2051 | } else { | |
2052 | buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
2053 | codec_mode = BUZ_MODE_MOTION_COMPRESS; | |
1da177e4 LT |
2054 | } |
2055 | ||
96b8e145 HV |
2056 | if (buf->type != buf_type) { |
2057 | dprintk(1, KERN_ERR | |
2058 | "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n", | |
2059 | ZR_DEVNAME(zr), buf->type, fh->map_mode); | |
2060 | res = -EINVAL; | |
7b962d43 | 2061 | return res; |
1da177e4 LT |
2062 | } |
2063 | ||
e5ee3f64 | 2064 | res = zoran_jpg_queue_frame(fh, buf->index, codec_mode); |
96b8e145 | 2065 | if (res != 0) |
7b962d43 | 2066 | return res; |
96b8e145 | 2067 | if (zr->codec_mode == BUZ_MODE_IDLE && |
1159b7f1 | 2068 | fh->buffers.active == ZORAN_LOCKED) |
96b8e145 | 2069 | zr36057_enable_jpg(zr, codec_mode); |
1159b7f1 | 2070 | |
96b8e145 | 2071 | break; |
1da177e4 | 2072 | |
96b8e145 HV |
2073 | default: |
2074 | dprintk(1, KERN_ERR | |
2075 | "%s: VIDIOC_QBUF - unsupported type %d\n", | |
2076 | ZR_DEVNAME(zr), buf->type); | |
2077 | res = -EINVAL; | |
1da177e4 | 2078 | break; |
96b8e145 | 2079 | } |
96b8e145 HV |
2080 | return res; |
2081 | } | |
1da177e4 | 2082 | |
96b8e145 HV |
2083 | static int zoran_dqbuf(struct file *file, void *__fh, struct v4l2_buffer *buf) |
2084 | { | |
2085 | struct zoran_fh *fh = __fh; | |
2086 | struct zoran *zr = fh->zr; | |
2087 | int res = 0, buf_type, num = -1; /* compiler borks here (?) */ | |
1da177e4 | 2088 | |
96b8e145 HV |
2089 | switch (fh->map_mode) { |
2090 | case ZORAN_MAP_MODE_RAW: | |
2091 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
2092 | dprintk(1, KERN_ERR | |
2093 | "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n", | |
2094 | ZR_DEVNAME(zr), buf->type, fh->map_mode); | |
2095 | res = -EINVAL; | |
7b962d43 | 2096 | return res; |
1da177e4 LT |
2097 | } |
2098 | ||
96b8e145 HV |
2099 | num = zr->v4l_pend[zr->v4l_sync_tail & V4L_MASK_FRAME]; |
2100 | if (file->f_flags & O_NONBLOCK && | |
2101 | zr->v4l_buffers.buffer[num].state != BUZ_STATE_DONE) { | |
2102 | res = -EAGAIN; | |
7b962d43 | 2103 | return res; |
1da177e4 | 2104 | } |
e5ee3f64 | 2105 | res = v4l_sync(fh, num); |
96b8e145 | 2106 | if (res) |
7b962d43 | 2107 | return res; |
96b8e145 | 2108 | zr->v4l_sync_tail++; |
e276f7b5 | 2109 | res = zoran_v4l2_buffer_status(fh, buf, num); |
1da177e4 LT |
2110 | break; |
2111 | ||
96b8e145 HV |
2112 | case ZORAN_MAP_MODE_JPG_REC: |
2113 | case ZORAN_MAP_MODE_JPG_PLAY: | |
1da177e4 | 2114 | { |
96b8e145 | 2115 | struct zoran_sync bs; |
1da177e4 | 2116 | |
96b8e145 HV |
2117 | if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) |
2118 | buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
2119 | else | |
2120 | buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1da177e4 | 2121 | |
96b8e145 HV |
2122 | if (buf->type != buf_type) { |
2123 | dprintk(1, KERN_ERR | |
2124 | "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n", | |
2125 | ZR_DEVNAME(zr), buf->type, fh->map_mode); | |
2126 | res = -EINVAL; | |
7b962d43 | 2127 | return res; |
1da177e4 LT |
2128 | } |
2129 | ||
96b8e145 | 2130 | num = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME]; |
1da177e4 | 2131 | |
96b8e145 HV |
2132 | if (file->f_flags & O_NONBLOCK && |
2133 | zr->jpg_buffers.buffer[num].state != BUZ_STATE_DONE) { | |
2134 | res = -EAGAIN; | |
7b962d43 | 2135 | return res; |
96b8e145 | 2136 | } |
1a5e5af0 | 2137 | bs.frame = 0; /* suppress compiler warning */ |
e5ee3f64 | 2138 | res = jpg_sync(fh, &bs); |
96b8e145 | 2139 | if (res) |
7b962d43 | 2140 | return res; |
e276f7b5 | 2141 | res = zoran_v4l2_buffer_status(fh, buf, bs.frame); |
96b8e145 | 2142 | break; |
1da177e4 | 2143 | } |
96b8e145 HV |
2144 | |
2145 | default: | |
2146 | dprintk(1, KERN_ERR | |
2147 | "%s: VIDIOC_DQBUF - unsupported type %d\n", | |
2148 | ZR_DEVNAME(zr), buf->type); | |
2149 | res = -EINVAL; | |
1da177e4 | 2150 | break; |
96b8e145 | 2151 | } |
96b8e145 HV |
2152 | return res; |
2153 | } | |
1da177e4 | 2154 | |
96b8e145 HV |
2155 | static int zoran_streamon(struct file *file, void *__fh, enum v4l2_buf_type type) |
2156 | { | |
2157 | struct zoran_fh *fh = __fh; | |
2158 | struct zoran *zr = fh->zr; | |
2159 | int res = 0; | |
1da177e4 | 2160 | |
96b8e145 HV |
2161 | switch (fh->map_mode) { |
2162 | case ZORAN_MAP_MODE_RAW: /* raw capture */ | |
2163 | if (zr->v4l_buffers.active != ZORAN_ACTIVE || | |
1159b7f1 | 2164 | fh->buffers.active != ZORAN_ACTIVE) { |
96b8e145 | 2165 | res = -EBUSY; |
7b962d43 | 2166 | return res; |
1da177e4 LT |
2167 | } |
2168 | ||
1159b7f1 | 2169 | zr->v4l_buffers.active = fh->buffers.active = ZORAN_LOCKED; |
96b8e145 HV |
2170 | zr->v4l_settings = fh->v4l_settings; |
2171 | ||
2172 | zr->v4l_sync_tail = zr->v4l_pend_tail; | |
2173 | if (!zr->v4l_memgrab_active && | |
2174 | zr->v4l_pend_head != zr->v4l_pend_tail) { | |
2175 | zr36057_set_memgrab(zr, 1); | |
2176 | } | |
1da177e4 LT |
2177 | break; |
2178 | ||
96b8e145 HV |
2179 | case ZORAN_MAP_MODE_JPG_REC: |
2180 | case ZORAN_MAP_MODE_JPG_PLAY: | |
2181 | /* what is the codec mode right now? */ | |
2182 | if (zr->jpg_buffers.active != ZORAN_ACTIVE || | |
1159b7f1 | 2183 | fh->buffers.active != ZORAN_ACTIVE) { |
96b8e145 | 2184 | res = -EBUSY; |
7b962d43 | 2185 | return res; |
96b8e145 | 2186 | } |
1da177e4 | 2187 | |
1159b7f1 | 2188 | zr->jpg_buffers.active = fh->buffers.active = ZORAN_LOCKED; |
1da177e4 | 2189 | |
96b8e145 HV |
2190 | if (zr->jpg_que_head != zr->jpg_que_tail) { |
2191 | /* Start the jpeg codec when the first frame is queued */ | |
2192 | jpeg_start(zr); | |
1da177e4 | 2193 | } |
96b8e145 | 2194 | break; |
1da177e4 | 2195 | |
96b8e145 HV |
2196 | default: |
2197 | dprintk(1, | |
2198 | KERN_ERR | |
2199 | "%s: VIDIOC_STREAMON - invalid map mode %d\n", | |
2200 | ZR_DEVNAME(zr), fh->map_mode); | |
2201 | res = -EINVAL; | |
1da177e4 | 2202 | break; |
96b8e145 | 2203 | } |
96b8e145 HV |
2204 | return res; |
2205 | } | |
2206 | ||
2207 | static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type type) | |
2208 | { | |
2209 | struct zoran_fh *fh = __fh; | |
2210 | struct zoran *zr = fh->zr; | |
2211 | int i, res = 0; | |
1159b7f1 | 2212 | unsigned long flags; |
1da177e4 | 2213 | |
96b8e145 HV |
2214 | switch (fh->map_mode) { |
2215 | case ZORAN_MAP_MODE_RAW: /* raw capture */ | |
1159b7f1 | 2216 | if (fh->buffers.active == ZORAN_FREE && |
96b8e145 HV |
2217 | zr->v4l_buffers.active != ZORAN_FREE) { |
2218 | res = -EPERM; /* stay off other's settings! */ | |
7b962d43 | 2219 | return res; |
1da177e4 | 2220 | } |
96b8e145 | 2221 | if (zr->v4l_buffers.active == ZORAN_FREE) |
7b962d43 | 2222 | return res; |
1da177e4 | 2223 | |
1159b7f1 | 2224 | spin_lock_irqsave(&zr->spinlock, flags); |
96b8e145 HV |
2225 | /* unload capture */ |
2226 | if (zr->v4l_memgrab_active) { | |
1da177e4 | 2227 | |
96b8e145 | 2228 | zr36057_set_memgrab(zr, 0); |
1da177e4 | 2229 | } |
1da177e4 | 2230 | |
1159b7f1 | 2231 | for (i = 0; i < fh->buffers.num_buffers; i++) |
96b8e145 | 2232 | zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; |
1159b7f1 | 2233 | fh->buffers = zr->v4l_buffers; |
1da177e4 | 2234 | |
1159b7f1 | 2235 | zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE; |
1da177e4 | 2236 | |
96b8e145 HV |
2237 | zr->v4l_grab_seq = 0; |
2238 | zr->v4l_pend_head = zr->v4l_pend_tail = 0; | |
2239 | zr->v4l_sync_tail = 0; | |
1da177e4 | 2240 | |
1159b7f1 TP |
2241 | spin_unlock_irqrestore(&zr->spinlock, flags); |
2242 | ||
96b8e145 | 2243 | break; |
1da177e4 | 2244 | |
96b8e145 HV |
2245 | case ZORAN_MAP_MODE_JPG_REC: |
2246 | case ZORAN_MAP_MODE_JPG_PLAY: | |
1159b7f1 | 2247 | if (fh->buffers.active == ZORAN_FREE && |
96b8e145 HV |
2248 | zr->jpg_buffers.active != ZORAN_FREE) { |
2249 | res = -EPERM; /* stay off other's settings! */ | |
7b962d43 | 2250 | return res; |
96b8e145 HV |
2251 | } |
2252 | if (zr->jpg_buffers.active == ZORAN_FREE) | |
7b962d43 | 2253 | return res; |
96b8e145 | 2254 | |
e5ee3f64 | 2255 | res = jpg_qbuf(fh, -1, |
96b8e145 HV |
2256 | (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) ? |
2257 | BUZ_MODE_MOTION_COMPRESS : | |
2258 | BUZ_MODE_MOTION_DECOMPRESS); | |
2259 | if (res) | |
7b962d43 | 2260 | return res; |
96b8e145 HV |
2261 | break; |
2262 | default: | |
2263 | dprintk(1, KERN_ERR | |
2264 | "%s: VIDIOC_STREAMOFF - invalid map mode %d\n", | |
2265 | ZR_DEVNAME(zr), fh->map_mode); | |
2266 | res = -EINVAL; | |
1da177e4 | 2267 | break; |
96b8e145 | 2268 | } |
96b8e145 HV |
2269 | return res; |
2270 | } | |
96b8e145 HV |
2271 | static int zoran_g_std(struct file *file, void *__fh, v4l2_std_id *std) |
2272 | { | |
2273 | struct zoran_fh *fh = __fh; | |
2274 | struct zoran *zr = fh->zr; | |
96b8e145 | 2275 | |
107063c6 | 2276 | *std = zr->norm; |
96b8e145 HV |
2277 | return 0; |
2278 | } | |
1da177e4 | 2279 | |
314527ac | 2280 | static int zoran_s_std(struct file *file, void *__fh, v4l2_std_id std) |
96b8e145 HV |
2281 | { |
2282 | struct zoran_fh *fh = __fh; | |
2283 | struct zoran *zr = fh->zr; | |
107063c6 | 2284 | int res = 0; |
1da177e4 | 2285 | |
314527ac | 2286 | res = zoran_set_norm(zr, std); |
96b8e145 | 2287 | if (res) |
7b962d43 | 2288 | return res; |
1da177e4 | 2289 | |
96b8e145 | 2290 | res = wait_grab_pending(zr); |
96b8e145 HV |
2291 | return res; |
2292 | } | |
1da177e4 | 2293 | |
96b8e145 HV |
2294 | static int zoran_enum_input(struct file *file, void *__fh, |
2295 | struct v4l2_input *inp) | |
2296 | { | |
2297 | struct zoran_fh *fh = __fh; | |
2298 | struct zoran *zr = fh->zr; | |
1da177e4 | 2299 | |
f14a2972 | 2300 | if (inp->index >= zr->card.inputs) |
96b8e145 | 2301 | return -EINVAL; |
1da177e4 | 2302 | |
96b8e145 HV |
2303 | strncpy(inp->name, zr->card.input[inp->index].name, |
2304 | sizeof(inp->name) - 1); | |
2305 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
2306 | inp->std = V4L2_STD_ALL; | |
1da177e4 | 2307 | |
96b8e145 | 2308 | /* Get status of video decoder */ |
0ab6e1c3 | 2309 | decoder_call(zr, video, g_input_status, &inp->status); |
96b8e145 HV |
2310 | return 0; |
2311 | } | |
1da177e4 | 2312 | |
96b8e145 HV |
2313 | static int zoran_g_input(struct file *file, void *__fh, unsigned int *input) |
2314 | { | |
2315 | struct zoran_fh *fh = __fh; | |
2316 | struct zoran *zr = fh->zr; | |
1da177e4 | 2317 | |
96b8e145 | 2318 | *input = zr->input; |
1da177e4 | 2319 | |
96b8e145 HV |
2320 | return 0; |
2321 | } | |
1da177e4 | 2322 | |
96b8e145 HV |
2323 | static int zoran_s_input(struct file *file, void *__fh, unsigned int input) |
2324 | { | |
2325 | struct zoran_fh *fh = __fh; | |
2326 | struct zoran *zr = fh->zr; | |
2327 | int res; | |
1da177e4 | 2328 | |
96b8e145 HV |
2329 | res = zoran_set_input(zr, input); |
2330 | if (res) | |
7b962d43 | 2331 | return res; |
1da177e4 | 2332 | |
96b8e145 HV |
2333 | /* Make sure the changes come into effect */ |
2334 | res = wait_grab_pending(zr); | |
96b8e145 HV |
2335 | return res; |
2336 | } | |
1da177e4 | 2337 | |
96b8e145 HV |
2338 | static int zoran_enum_output(struct file *file, void *__fh, |
2339 | struct v4l2_output *outp) | |
2340 | { | |
2341 | if (outp->index != 0) | |
2342 | return -EINVAL; | |
1da177e4 | 2343 | |
96b8e145 HV |
2344 | outp->index = 0; |
2345 | outp->type = V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY; | |
2346 | strncpy(outp->name, "Autodetect", sizeof(outp->name)-1); | |
1da177e4 | 2347 | |
96b8e145 HV |
2348 | return 0; |
2349 | } | |
1da177e4 | 2350 | |
96b8e145 HV |
2351 | static int zoran_g_output(struct file *file, void *__fh, unsigned int *output) |
2352 | { | |
2353 | *output = 0; | |
2354 | ||
2355 | return 0; | |
2356 | } | |
1da177e4 | 2357 | |
96b8e145 HV |
2358 | static int zoran_s_output(struct file *file, void *__fh, unsigned int output) |
2359 | { | |
2360 | if (output != 0) | |
2361 | return -EINVAL; | |
1da177e4 | 2362 | |
96b8e145 HV |
2363 | return 0; |
2364 | } | |
1da177e4 | 2365 | |
96b8e145 | 2366 | /* cropping (sub-frame capture) */ |
540da025 | 2367 | static int zoran_g_selection(struct file *file, void *__fh, struct v4l2_selection *sel) |
96b8e145 HV |
2368 | { |
2369 | struct zoran_fh *fh = __fh; | |
2370 | struct zoran *zr = fh->zr; | |
1da177e4 | 2371 | |
540da025 HV |
2372 | if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && |
2373 | sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
2374 | return -EINVAL; | |
1da177e4 | 2375 | |
540da025 | 2376 | if (fh->map_mode == ZORAN_MAP_MODE_RAW) { |
96b8e145 | 2377 | dprintk(1, KERN_ERR |
540da025 | 2378 | "%s: VIDIOC_G_SELECTION - subcapture only supported for compressed capture\n", |
1da177e4 | 2379 | ZR_DEVNAME(zr)); |
540da025 | 2380 | return -EINVAL; |
96b8e145 | 2381 | } |
1da177e4 | 2382 | |
540da025 HV |
2383 | switch (sel->target) { |
2384 | case V4L2_SEL_TGT_CROP: | |
2385 | sel->r.top = fh->jpg_settings.img_y; | |
2386 | sel->r.left = fh->jpg_settings.img_x; | |
2387 | sel->r.width = fh->jpg_settings.img_width; | |
2388 | sel->r.height = fh->jpg_settings.img_height; | |
2389 | break; | |
2390 | case V4L2_SEL_TGT_CROP_DEFAULT: | |
2391 | sel->r.top = sel->r.left = 0; | |
2392 | sel->r.width = BUZ_MIN_WIDTH; | |
2393 | sel->r.height = BUZ_MIN_HEIGHT; | |
2394 | break; | |
2395 | case V4L2_SEL_TGT_CROP_BOUNDS: | |
2396 | sel->r.top = sel->r.left = 0; | |
2397 | sel->r.width = BUZ_MAX_WIDTH; | |
2398 | sel->r.height = BUZ_MAX_HEIGHT; | |
2399 | break; | |
2400 | default: | |
2401 | return -EINVAL; | |
1da177e4 | 2402 | } |
540da025 | 2403 | return 0; |
96b8e145 | 2404 | } |
1da177e4 | 2405 | |
540da025 | 2406 | static int zoran_s_selection(struct file *file, void *__fh, struct v4l2_selection *sel) |
96b8e145 HV |
2407 | { |
2408 | struct zoran_fh *fh = __fh; | |
2409 | struct zoran *zr = fh->zr; | |
96b8e145 | 2410 | struct zoran_jpg_settings settings; |
540da025 | 2411 | int res; |
1da177e4 | 2412 | |
540da025 HV |
2413 | if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && |
2414 | sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
2415 | return -EINVAL; | |
1da177e4 | 2416 | |
540da025 HV |
2417 | if (sel->target != V4L2_SEL_TGT_CROP) |
2418 | return -EINVAL; | |
2419 | ||
2420 | if (fh->map_mode == ZORAN_MAP_MODE_RAW) { | |
96b8e145 | 2421 | dprintk(1, KERN_ERR |
540da025 | 2422 | "%s: VIDIOC_S_SELECTION - subcapture only supported for compressed capture\n", |
96b8e145 | 2423 | ZR_DEVNAME(zr)); |
540da025 | 2424 | return -EINVAL; |
1da177e4 | 2425 | } |
1da177e4 | 2426 | |
540da025 HV |
2427 | settings = fh->jpg_settings; |
2428 | ||
2429 | if (fh->buffers.allocated) { | |
96b8e145 | 2430 | dprintk(1, KERN_ERR |
540da025 | 2431 | "%s: VIDIOC_S_SELECTION - cannot change settings while active\n", |
96b8e145 | 2432 | ZR_DEVNAME(zr)); |
540da025 | 2433 | return -EBUSY; |
96b8e145 | 2434 | } |
1da177e4 | 2435 | |
96b8e145 | 2436 | /* move into a form that we understand */ |
540da025 HV |
2437 | settings.img_x = sel->r.left; |
2438 | settings.img_y = sel->r.top; | |
2439 | settings.img_width = sel->r.width; | |
2440 | settings.img_height = sel->r.height; | |
1da177e4 | 2441 | |
96b8e145 | 2442 | /* check validity */ |
0ba514d5 | 2443 | res = zoran_check_jpg_settings(zr, &settings, 0); |
96b8e145 | 2444 | if (res) |
7b962d43 | 2445 | return res; |
1da177e4 | 2446 | |
96b8e145 HV |
2447 | /* accept */ |
2448 | fh->jpg_settings = settings; | |
96b8e145 HV |
2449 | return res; |
2450 | } | |
1da177e4 | 2451 | |
96b8e145 HV |
2452 | static int zoran_g_jpegcomp(struct file *file, void *__fh, |
2453 | struct v4l2_jpegcompression *params) | |
2454 | { | |
2455 | struct zoran_fh *fh = __fh; | |
96b8e145 | 2456 | memset(params, 0, sizeof(*params)); |
1da177e4 | 2457 | |
96b8e145 HV |
2458 | params->quality = fh->jpg_settings.jpg_comp.quality; |
2459 | params->APPn = fh->jpg_settings.jpg_comp.APPn; | |
2460 | memcpy(params->APP_data, | |
2461 | fh->jpg_settings.jpg_comp.APP_data, | |
2462 | fh->jpg_settings.jpg_comp.APP_len); | |
2463 | params->APP_len = fh->jpg_settings.jpg_comp.APP_len; | |
2464 | memcpy(params->COM_data, | |
2465 | fh->jpg_settings.jpg_comp.COM_data, | |
2466 | fh->jpg_settings.jpg_comp.COM_len); | |
2467 | params->COM_len = fh->jpg_settings.jpg_comp.COM_len; | |
2468 | params->jpeg_markers = | |
2469 | fh->jpg_settings.jpg_comp.jpeg_markers; | |
1da177e4 | 2470 | |
96b8e145 HV |
2471 | return 0; |
2472 | } | |
1da177e4 | 2473 | |
96b8e145 | 2474 | static int zoran_s_jpegcomp(struct file *file, void *__fh, |
d88aab53 | 2475 | const struct v4l2_jpegcompression *params) |
96b8e145 HV |
2476 | { |
2477 | struct zoran_fh *fh = __fh; | |
2478 | struct zoran *zr = fh->zr; | |
2479 | int res = 0; | |
2480 | struct zoran_jpg_settings settings; | |
1da177e4 | 2481 | |
96b8e145 | 2482 | settings = fh->jpg_settings; |
1da177e4 | 2483 | |
96b8e145 | 2484 | settings.jpg_comp = *params; |
1da177e4 | 2485 | |
1159b7f1 | 2486 | if (fh->buffers.active != ZORAN_FREE) { |
96b8e145 HV |
2487 | dprintk(1, KERN_WARNING |
2488 | "%s: VIDIOC_S_JPEGCOMP called while in playback/capture mode\n", | |
2489 | ZR_DEVNAME(zr)); | |
2490 | res = -EBUSY; | |
7b962d43 | 2491 | return res; |
1da177e4 | 2492 | } |
1da177e4 | 2493 | |
0ba514d5 | 2494 | res = zoran_check_jpg_settings(zr, &settings, 0); |
96b8e145 | 2495 | if (res) |
7b962d43 | 2496 | return res; |
1159b7f1 TP |
2497 | if (!fh->buffers.allocated) |
2498 | fh->buffers.buffer_size = | |
2499 | zoran_v4l2_calc_bufsize(&fh->jpg_settings); | |
d88aab53 | 2500 | fh->jpg_settings.jpg_comp = settings.jpg_comp; |
27f79525 | 2501 | return res; |
1da177e4 LT |
2502 | } |
2503 | ||
c23e0cb8 | 2504 | static __poll_t |
1da177e4 LT |
2505 | zoran_poll (struct file *file, |
2506 | poll_table *wait) | |
2507 | { | |
2508 | struct zoran_fh *fh = file->private_data; | |
2509 | struct zoran *zr = fh->zr; | |
c23e0cb8 | 2510 | __poll_t res = v4l2_ctrl_poll(file, wait); |
e56c597b | 2511 | int frame; |
e42af83f | 2512 | unsigned long flags; |
1da177e4 LT |
2513 | |
2514 | /* we should check whether buffers are ready to be synced on | |
2515 | * (w/o waits - O_NONBLOCK) here | |
2516 | * if ready for read (sync), return POLLIN|POLLRDNORM, | |
2517 | * if ready for write (sync), return POLLOUT|POLLWRNORM, | |
2518 | * if error, return POLLERR, | |
2519 | * if no buffers queued or so, return POLLNVAL | |
2520 | */ | |
2521 | ||
1da177e4 LT |
2522 | switch (fh->map_mode) { |
2523 | case ZORAN_MAP_MODE_RAW: | |
e42af83f TP |
2524 | poll_wait(file, &zr->v4l_capq, wait); |
2525 | frame = zr->v4l_pend[zr->v4l_sync_tail & V4L_MASK_FRAME]; | |
2526 | ||
2527 | spin_lock_irqsave(&zr->spinlock, flags); | |
2528 | dprintk(3, | |
2529 | KERN_DEBUG | |
2530 | "%s: %s() raw - active=%c, sync_tail=%lu/%c, pend_tail=%lu, pend_head=%lu\n", | |
7e28adb2 | 2531 | ZR_DEVNAME(zr), __func__, |
1159b7f1 | 2532 | "FAL"[fh->buffers.active], zr->v4l_sync_tail, |
e42af83f TP |
2533 | "UPMD"[zr->v4l_buffers.buffer[frame].state], |
2534 | zr->v4l_pend_tail, zr->v4l_pend_head); | |
2535 | /* Process is the one capturing? */ | |
1159b7f1 | 2536 | if (fh->buffers.active != ZORAN_FREE && |
e42af83f TP |
2537 | /* Buffer ready to DQBUF? */ |
2538 | zr->v4l_buffers.buffer[frame].state == BUZ_STATE_DONE) | |
e56c597b | 2539 | res |= POLLIN | POLLRDNORM; |
e42af83f TP |
2540 | spin_unlock_irqrestore(&zr->spinlock, flags); |
2541 | ||
1da177e4 LT |
2542 | break; |
2543 | ||
2544 | case ZORAN_MAP_MODE_JPG_REC: | |
2545 | case ZORAN_MAP_MODE_JPG_PLAY: | |
e42af83f | 2546 | poll_wait(file, &zr->jpg_capq, wait); |
1da177e4 | 2547 | frame = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME]; |
e42af83f TP |
2548 | |
2549 | spin_lock_irqsave(&zr->spinlock, flags); | |
2550 | dprintk(3, | |
2551 | KERN_DEBUG | |
2552 | "%s: %s() jpg - active=%c, que_tail=%lu/%c, que_head=%lu, dma=%lu/%lu\n", | |
7e28adb2 | 2553 | ZR_DEVNAME(zr), __func__, |
1159b7f1 | 2554 | "FAL"[fh->buffers.active], zr->jpg_que_tail, |
e42af83f TP |
2555 | "UPMD"[zr->jpg_buffers.buffer[frame].state], |
2556 | zr->jpg_que_head, zr->jpg_dma_tail, zr->jpg_dma_head); | |
1159b7f1 | 2557 | if (fh->buffers.active != ZORAN_FREE && |
e42af83f | 2558 | zr->jpg_buffers.buffer[frame].state == BUZ_STATE_DONE) { |
1da177e4 | 2559 | if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) |
e56c597b | 2560 | res |= POLLIN | POLLRDNORM; |
1da177e4 | 2561 | else |
e56c597b | 2562 | res |= POLLOUT | POLLWRNORM; |
1da177e4 | 2563 | } |
e42af83f TP |
2564 | spin_unlock_irqrestore(&zr->spinlock, flags); |
2565 | ||
1da177e4 LT |
2566 | break; |
2567 | ||
2568 | default: | |
2569 | dprintk(1, | |
e42af83f | 2570 | KERN_ERR |
c61402ba TP |
2571 | "%s: %s - internal error, unknown map_mode=%d\n", |
2572 | ZR_DEVNAME(zr), __func__, fh->map_mode); | |
e56c597b | 2573 | res |= POLLERR; |
1da177e4 LT |
2574 | } |
2575 | ||
1da177e4 LT |
2576 | return res; |
2577 | } | |
2578 | ||
2579 | ||
2580 | /* | |
2581 | * This maps the buffers to user space. | |
2582 | * | |
2583 | * Depending on the state of fh->map_mode | |
2584 | * the V4L or the MJPEG buffers are mapped | |
2585 | * per buffer or all together | |
2586 | * | |
2587 | * Note that we need to connect to some | |
2588 | * unmap signal event to unmap the de-allocate | |
2589 | * the buffer accordingly (zoran_vm_close()) | |
2590 | */ | |
2591 | ||
2592 | static void | |
2593 | zoran_vm_open (struct vm_area_struct *vma) | |
2594 | { | |
2595 | struct zoran_mapping *map = vma->vm_private_data; | |
4ad1f70e | 2596 | atomic_inc(&map->count); |
1da177e4 LT |
2597 | } |
2598 | ||
2599 | static void | |
2600 | zoran_vm_close (struct vm_area_struct *vma) | |
2601 | { | |
2602 | struct zoran_mapping *map = vma->vm_private_data; | |
3b6456d2 | 2603 | struct zoran_fh *fh = map->fh; |
1da177e4 LT |
2604 | struct zoran *zr = fh->zr; |
2605 | int i; | |
2606 | ||
1159b7f1 TP |
2607 | dprintk(3, KERN_INFO "%s: %s - munmap(%s)\n", ZR_DEVNAME(zr), |
2608 | __func__, mode_name(fh->map_mode)); | |
1da177e4 | 2609 | |
1159b7f1 TP |
2610 | for (i = 0; i < fh->buffers.num_buffers; i++) { |
2611 | if (fh->buffers.buffer[i].map == map) | |
2612 | fh->buffers.buffer[i].map = NULL; | |
2613 | } | |
2614 | kfree(map); | |
1da177e4 | 2615 | |
1159b7f1 | 2616 | /* Any buffers still mapped? */ |
4ad1f70e AV |
2617 | for (i = 0; i < fh->buffers.num_buffers; i++) { |
2618 | if (fh->buffers.buffer[i].map) { | |
1159b7f1 | 2619 | return; |
4ad1f70e AV |
2620 | } |
2621 | } | |
1da177e4 | 2622 | |
1159b7f1 TP |
2623 | dprintk(3, KERN_INFO "%s: %s - free %s buffers\n", ZR_DEVNAME(zr), |
2624 | __func__, mode_name(fh->map_mode)); | |
1da177e4 | 2625 | |
1159b7f1 TP |
2626 | if (fh->map_mode == ZORAN_MAP_MODE_RAW) { |
2627 | if (fh->buffers.active != ZORAN_FREE) { | |
2628 | unsigned long flags; | |
1da177e4 | 2629 | |
1159b7f1 TP |
2630 | spin_lock_irqsave(&zr->spinlock, flags); |
2631 | zr36057_set_memgrab(zr, 0); | |
2632 | zr->v4l_buffers.allocated = 0; | |
2633 | zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE; | |
2634 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
2635 | } | |
e5ee3f64 | 2636 | v4l_fbuffer_free(fh); |
1159b7f1 TP |
2637 | } else { |
2638 | if (fh->buffers.active != ZORAN_FREE) { | |
e5ee3f64 | 2639 | jpg_qbuf(fh, -1, zr->codec_mode); |
1159b7f1 TP |
2640 | zr->jpg_buffers.allocated = 0; |
2641 | zr->jpg_buffers.active = fh->buffers.active = ZORAN_FREE; | |
1da177e4 | 2642 | } |
e5ee3f64 | 2643 | jpg_fbuffer_free(fh); |
1da177e4 LT |
2644 | } |
2645 | } | |
2646 | ||
f0f37e2f | 2647 | static const struct vm_operations_struct zoran_vm_ops = { |
1da177e4 LT |
2648 | .open = zoran_vm_open, |
2649 | .close = zoran_vm_close, | |
2650 | }; | |
2651 | ||
2652 | static int | |
2653 | zoran_mmap (struct file *file, | |
2654 | struct vm_area_struct *vma) | |
2655 | { | |
2656 | struct zoran_fh *fh = file->private_data; | |
2657 | struct zoran *zr = fh->zr; | |
2658 | unsigned long size = (vma->vm_end - vma->vm_start); | |
2659 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; | |
2660 | int i, j; | |
2661 | unsigned long page, start = vma->vm_start, todo, pos, fraglen; | |
2662 | int first, last; | |
2663 | struct zoran_mapping *map; | |
2664 | int res = 0; | |
2665 | ||
2666 | dprintk(3, | |
c61402ba TP |
2667 | KERN_INFO "%s: %s(%s) of 0x%08lx-0x%08lx (size=%lu)\n", |
2668 | ZR_DEVNAME(zr), __func__, | |
1159b7f1 | 2669 | mode_name(fh->map_mode), vma->vm_start, vma->vm_end, size); |
1da177e4 LT |
2670 | |
2671 | if (!(vma->vm_flags & VM_SHARED) || !(vma->vm_flags & VM_READ) || | |
2672 | !(vma->vm_flags & VM_WRITE)) { | |
2673 | dprintk(1, | |
2674 | KERN_ERR | |
c61402ba TP |
2675 | "%s: %s - no MAP_SHARED/PROT_{READ,WRITE} given\n", |
2676 | ZR_DEVNAME(zr), __func__); | |
1da177e4 LT |
2677 | return -EINVAL; |
2678 | } | |
2679 | ||
1159b7f1 TP |
2680 | if (!fh->buffers.allocated) { |
2681 | dprintk(1, | |
2682 | KERN_ERR | |
c61402ba TP |
2683 | "%s: %s(%s) - buffers not yet allocated\n", |
2684 | ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode)); | |
1159b7f1 | 2685 | res = -ENOMEM; |
7b962d43 | 2686 | return res; |
1159b7f1 | 2687 | } |
1da177e4 | 2688 | |
1159b7f1 TP |
2689 | first = offset / fh->buffers.buffer_size; |
2690 | last = first - 1 + size / fh->buffers.buffer_size; | |
2691 | if (offset % fh->buffers.buffer_size != 0 || | |
2692 | size % fh->buffers.buffer_size != 0 || first < 0 || | |
2693 | last < 0 || first >= fh->buffers.num_buffers || | |
2694 | last >= fh->buffers.buffer_size) { | |
2695 | dprintk(1, | |
2696 | KERN_ERR | |
c61402ba TP |
2697 | "%s: %s(%s) - offset=%lu or size=%lu invalid for bufsize=%d and numbufs=%d\n", |
2698 | ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode), offset, size, | |
1159b7f1 TP |
2699 | fh->buffers.buffer_size, |
2700 | fh->buffers.num_buffers); | |
2701 | res = -EINVAL; | |
7b962d43 | 2702 | return res; |
1159b7f1 | 2703 | } |
1da177e4 | 2704 | |
1159b7f1 TP |
2705 | /* Check if any buffers are already mapped */ |
2706 | for (i = first; i <= last; i++) { | |
2707 | if (fh->buffers.buffer[i].map) { | |
1da177e4 LT |
2708 | dprintk(1, |
2709 | KERN_ERR | |
c61402ba TP |
2710 | "%s: %s(%s) - buffer %d already mapped\n", |
2711 | ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode), i); | |
1159b7f1 | 2712 | res = -EBUSY; |
7b962d43 | 2713 | return res; |
1da177e4 | 2714 | } |
1159b7f1 | 2715 | } |
1da177e4 | 2716 | |
1159b7f1 TP |
2717 | /* map these buffers */ |
2718 | map = kmalloc(sizeof(struct zoran_mapping), GFP_KERNEL); | |
2719 | if (!map) { | |
2720 | res = -ENOMEM; | |
7b962d43 | 2721 | return res; |
1159b7f1 | 2722 | } |
3b6456d2 | 2723 | map->fh = fh; |
4ad1f70e | 2724 | atomic_set(&map->count, 1); |
1159b7f1 TP |
2725 | |
2726 | vma->vm_ops = &zoran_vm_ops; | |
2727 | vma->vm_flags |= VM_DONTEXPAND; | |
2728 | vma->vm_private_data = map; | |
2729 | ||
2730 | if (fh->map_mode == ZORAN_MAP_MODE_RAW) { | |
1da177e4 | 2731 | for (i = first; i <= last; i++) { |
1159b7f1 TP |
2732 | todo = size; |
2733 | if (todo > fh->buffers.buffer_size) | |
2734 | todo = fh->buffers.buffer_size; | |
2735 | page = fh->buffers.buffer[i].v4l.fbuffer_phys; | |
2736 | if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, | |
2737 | todo, PAGE_SHARED)) { | |
1da177e4 LT |
2738 | dprintk(1, |
2739 | KERN_ERR | |
c61402ba TP |
2740 | "%s: %s(V4L) - remap_pfn_range failed\n", |
2741 | ZR_DEVNAME(zr), __func__); | |
1159b7f1 | 2742 | res = -EAGAIN; |
7b962d43 | 2743 | return res; |
1da177e4 | 2744 | } |
1159b7f1 TP |
2745 | size -= todo; |
2746 | start += todo; | |
2747 | fh->buffers.buffer[i].map = map; | |
2748 | if (size == 0) | |
2749 | break; | |
1da177e4 | 2750 | } |
1159b7f1 | 2751 | } else { |
1da177e4 LT |
2752 | for (i = first; i <= last; i++) { |
2753 | for (j = 0; | |
1159b7f1 | 2754 | j < fh->buffers.buffer_size / PAGE_SIZE; |
1da177e4 LT |
2755 | j++) { |
2756 | fraglen = | |
1159b7f1 | 2757 | (le32_to_cpu(fh->buffers.buffer[i].jpg. |
1da177e4 LT |
2758 | frag_tab[2 * j + 1]) & ~1) << 1; |
2759 | todo = size; | |
2760 | if (todo > fraglen) | |
2761 | todo = fraglen; | |
2762 | pos = | |
1159b7f1 TP |
2763 | le32_to_cpu(fh->buffers. |
2764 | buffer[i].jpg.frag_tab[2 * j]); | |
1da177e4 LT |
2765 | /* should just be pos on i386 */ |
2766 | page = virt_to_phys(bus_to_virt(pos)) | |
2767 | >> PAGE_SHIFT; | |
2768 | if (remap_pfn_range(vma, start, page, | |
2769 | todo, PAGE_SHARED)) { | |
2770 | dprintk(1, | |
2771 | KERN_ERR | |
c61402ba TP |
2772 | "%s: %s(V4L) - remap_pfn_range failed\n", |
2773 | ZR_DEVNAME(zr), __func__); | |
1da177e4 | 2774 | res = -EAGAIN; |
7b962d43 | 2775 | return res; |
1da177e4 LT |
2776 | } |
2777 | size -= todo; | |
2778 | start += todo; | |
2779 | if (size == 0) | |
2780 | break; | |
1159b7f1 | 2781 | if (le32_to_cpu(fh->buffers.buffer[i].jpg. |
1da177e4 LT |
2782 | frag_tab[2 * j + 1]) & 1) |
2783 | break; /* was last fragment */ | |
2784 | } | |
1159b7f1 | 2785 | fh->buffers.buffer[i].map = map; |
1da177e4 LT |
2786 | if (size == 0) |
2787 | break; | |
2788 | ||
2789 | } | |
1da177e4 | 2790 | } |
46a7a3cc | 2791 | return res; |
1da177e4 LT |
2792 | } |
2793 | ||
96b8e145 HV |
2794 | static const struct v4l2_ioctl_ops zoran_ioctl_ops = { |
2795 | .vidioc_querycap = zoran_querycap, | |
540da025 HV |
2796 | .vidioc_s_selection = zoran_s_selection, |
2797 | .vidioc_g_selection = zoran_g_selection, | |
96b8e145 HV |
2798 | .vidioc_enum_input = zoran_enum_input, |
2799 | .vidioc_g_input = zoran_g_input, | |
2800 | .vidioc_s_input = zoran_s_input, | |
2801 | .vidioc_enum_output = zoran_enum_output, | |
2802 | .vidioc_g_output = zoran_g_output, | |
2803 | .vidioc_s_output = zoran_s_output, | |
2804 | .vidioc_g_fbuf = zoran_g_fbuf, | |
2805 | .vidioc_s_fbuf = zoran_s_fbuf, | |
2806 | .vidioc_g_std = zoran_g_std, | |
2807 | .vidioc_s_std = zoran_s_std, | |
2808 | .vidioc_g_jpegcomp = zoran_g_jpegcomp, | |
2809 | .vidioc_s_jpegcomp = zoran_s_jpegcomp, | |
2810 | .vidioc_overlay = zoran_overlay, | |
2811 | .vidioc_reqbufs = zoran_reqbufs, | |
2812 | .vidioc_querybuf = zoran_querybuf, | |
2813 | .vidioc_qbuf = zoran_qbuf, | |
2814 | .vidioc_dqbuf = zoran_dqbuf, | |
2815 | .vidioc_streamon = zoran_streamon, | |
2816 | .vidioc_streamoff = zoran_streamoff, | |
2817 | .vidioc_enum_fmt_vid_cap = zoran_enum_fmt_vid_cap, | |
2818 | .vidioc_enum_fmt_vid_out = zoran_enum_fmt_vid_out, | |
2819 | .vidioc_enum_fmt_vid_overlay = zoran_enum_fmt_vid_overlay, | |
2820 | .vidioc_g_fmt_vid_cap = zoran_g_fmt_vid_cap, | |
2821 | .vidioc_g_fmt_vid_out = zoran_g_fmt_vid_out, | |
2822 | .vidioc_g_fmt_vid_overlay = zoran_g_fmt_vid_overlay, | |
2823 | .vidioc_s_fmt_vid_cap = zoran_s_fmt_vid_cap, | |
2824 | .vidioc_s_fmt_vid_out = zoran_s_fmt_vid_out, | |
2825 | .vidioc_s_fmt_vid_overlay = zoran_s_fmt_vid_overlay, | |
2826 | .vidioc_try_fmt_vid_cap = zoran_try_fmt_vid_cap, | |
2827 | .vidioc_try_fmt_vid_out = zoran_try_fmt_vid_out, | |
2828 | .vidioc_try_fmt_vid_overlay = zoran_try_fmt_vid_overlay, | |
e56c597b HV |
2829 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
2830 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
96b8e145 HV |
2831 | }; |
2832 | ||
bec43661 | 2833 | static const struct v4l2_file_operations zoran_fops = { |
1da177e4 LT |
2834 | .owner = THIS_MODULE, |
2835 | .open = zoran_open, | |
2836 | .release = zoran_close, | |
7b962d43 | 2837 | .unlocked_ioctl = video_ioctl2, |
1da177e4 LT |
2838 | .mmap = zoran_mmap, |
2839 | .poll = zoran_poll, | |
2840 | }; | |
2841 | ||
9676593c | 2842 | const struct video_device zoran_template = { |
1da177e4 | 2843 | .name = ZORAN_NAME, |
1da177e4 | 2844 | .fops = &zoran_fops, |
96b8e145 | 2845 | .ioctl_ops = &zoran_ioctl_ops, |
1da177e4 | 2846 | .release = &zoran_vdev_release, |
96b8e145 | 2847 | .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, |
1da177e4 LT |
2848 | }; |
2849 |