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Commit | Line | Data |
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186b250a JM |
1 | /* |
2 | * Coda multi-standard codec IP | |
3 | * | |
4 | * Copyright (C) 2012 Vista Silicon S.L. | |
5 | * Javier Martin, <javier.martin@vista-silicon.com> | |
6 | * Xavier Duret | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | ||
14 | #include <linux/clk.h> | |
f61c0b14 | 15 | #include <linux/debugfs.h> |
186b250a JM |
16 | #include <linux/delay.h> |
17 | #include <linux/firmware.h> | |
657eee7d | 18 | #include <linux/genalloc.h> |
186b250a JM |
19 | #include <linux/interrupt.h> |
20 | #include <linux/io.h> | |
21 | #include <linux/irq.h> | |
9082a7c6 | 22 | #include <linux/kfifo.h> |
186b250a JM |
23 | #include <linux/module.h> |
24 | #include <linux/of_device.h> | |
25 | #include <linux/platform_device.h> | |
1e172731 | 26 | #include <linux/pm_runtime.h> |
186b250a JM |
27 | #include <linux/slab.h> |
28 | #include <linux/videodev2.h> | |
29 | #include <linux/of.h> | |
657eee7d | 30 | #include <linux/platform_data/coda.h> |
8f45284c | 31 | #include <linux/reset.h> |
186b250a JM |
32 | |
33 | #include <media/v4l2-ctrls.h> | |
34 | #include <media/v4l2-device.h> | |
918c66fd | 35 | #include <media/v4l2-event.h> |
186b250a JM |
36 | #include <media/v4l2-ioctl.h> |
37 | #include <media/v4l2-mem2mem.h> | |
38 | #include <media/videobuf2-core.h> | |
39 | #include <media/videobuf2-dma-contig.h> | |
bb04aa6f | 40 | #include <media/videobuf2-vmalloc.h> |
186b250a | 41 | |
a2b3e46a | 42 | #include "coda.h" |
186b250a JM |
43 | |
44 | #define CODA_NAME "coda" | |
45 | ||
0cddc7e9 | 46 | #define CODADX6_MAX_INSTANCES 4 |
2c11d1bd | 47 | #define CODA_MAX_FORMATS 4 |
186b250a | 48 | |
186b250a JM |
49 | #define CODA_ISRAM_SIZE (2048 * 2) |
50 | ||
186b250a JM |
51 | #define MIN_W 176 |
52 | #define MIN_H 144 | |
186b250a JM |
53 | |
54 | #define S_ALIGN 1 /* multiple of 2 */ | |
55 | #define W_ALIGN 1 /* multiple of 2 */ | |
56 | #define H_ALIGN 1 /* multiple of 2 */ | |
57 | ||
58 | #define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh) | |
59 | ||
79924ca9 | 60 | int coda_debug; |
c4eb1bfc | 61 | module_param(coda_debug, int, 0644); |
d60b18ba | 62 | MODULE_PARM_DESC(coda_debug, "Debug level (0-2)"); |
186b250a | 63 | |
186b250a JM |
64 | struct coda_fmt { |
65 | char *name; | |
66 | u32 fourcc; | |
b96904e5 PZ |
67 | }; |
68 | ||
a2b3e46a | 69 | void coda_write(struct coda_dev *dev, u32 data, u32 reg) |
186b250a | 70 | { |
d60b18ba | 71 | v4l2_dbg(2, coda_debug, &dev->v4l2_dev, |
186b250a JM |
72 | "%s: data=0x%x, reg=0x%x\n", __func__, data, reg); |
73 | writel(data, dev->regs_base + reg); | |
74 | } | |
75 | ||
a2b3e46a | 76 | unsigned int coda_read(struct coda_dev *dev, u32 reg) |
186b250a JM |
77 | { |
78 | u32 data; | |
f23797b6 | 79 | |
186b250a | 80 | data = readl(dev->regs_base + reg); |
d60b18ba | 81 | v4l2_dbg(2, coda_debug, &dev->v4l2_dev, |
186b250a JM |
82 | "%s: data=0x%x, reg=0x%x\n", __func__, data, reg); |
83 | return data; | |
84 | } | |
85 | ||
856d7d93 PZ |
86 | void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data, |
87 | struct vb2_buffer *buf, unsigned int reg_y) | |
88 | { | |
89 | u32 base_y = vb2_dma_contig_plane_dma_addr(buf, 0); | |
90 | u32 base_cb, base_cr; | |
91 | ||
92 | switch (q_data->fourcc) { | |
93 | case V4L2_PIX_FMT_YVU420: | |
94 | /* Switch Cb and Cr for YVU420 format */ | |
95 | base_cr = base_y + q_data->bytesperline * q_data->height; | |
96 | base_cb = base_cr + q_data->bytesperline * q_data->height / 4; | |
97 | break; | |
98 | case V4L2_PIX_FMT_YUV420: | |
1cb12cf3 | 99 | case V4L2_PIX_FMT_NV12: |
856d7d93 PZ |
100 | default: |
101 | base_cb = base_y + q_data->bytesperline * q_data->height; | |
102 | base_cr = base_cb + q_data->bytesperline * q_data->height / 4; | |
103 | break; | |
4de69319 PZ |
104 | case V4L2_PIX_FMT_YUV422P: |
105 | base_cb = base_y + q_data->bytesperline * q_data->height; | |
106 | base_cr = base_cb + q_data->bytesperline * q_data->height / 2; | |
856d7d93 PZ |
107 | } |
108 | ||
109 | coda_write(ctx->dev, base_y, reg_y); | |
110 | coda_write(ctx->dev, base_cb, reg_y + 4); | |
111 | coda_write(ctx->dev, base_cr, reg_y + 8); | |
112 | } | |
113 | ||
186b250a | 114 | /* |
b96904e5 | 115 | * Array of all formats supported by any version of Coda: |
186b250a | 116 | */ |
814c3762 | 117 | static const struct coda_fmt coda_formats[] = { |
186b250a | 118 | { |
b96904e5 | 119 | .name = "YUV 4:2:0 Planar, YCbCr", |
186b250a | 120 | .fourcc = V4L2_PIX_FMT_YUV420, |
186b250a | 121 | }, |
df1e74cc | 122 | { |
b96904e5 PZ |
123 | .name = "YUV 4:2:0 Planar, YCrCb", |
124 | .fourcc = V4L2_PIX_FMT_YVU420, | |
df1e74cc | 125 | }, |
1cb12cf3 PZ |
126 | { |
127 | .name = "YUV 4:2:0 Partial interleaved Y/CbCr", | |
128 | .fourcc = V4L2_PIX_FMT_NV12, | |
129 | }, | |
4de69319 PZ |
130 | { |
131 | .name = "YUV 4:2:2 Planar, YCbCr", | |
132 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
133 | }, | |
df1e74cc PZ |
134 | { |
135 | .name = "H264 Encoded Stream", | |
136 | .fourcc = V4L2_PIX_FMT_H264, | |
df1e74cc PZ |
137 | }, |
138 | { | |
139 | .name = "MPEG4 Encoded Stream", | |
140 | .fourcc = V4L2_PIX_FMT_MPEG4, | |
df1e74cc | 141 | }, |
cb1d3a33 PZ |
142 | { |
143 | .name = "JPEG Encoded Images", | |
144 | .fourcc = V4L2_PIX_FMT_JPEG, | |
145 | }, | |
df1e74cc PZ |
146 | }; |
147 | ||
b96904e5 PZ |
148 | #define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \ |
149 | { mode, src_fourcc, dst_fourcc, max_w, max_h } | |
150 | ||
151 | /* | |
152 | * Arrays of codecs supported by each given version of Coda: | |
153 | * i.MX27 -> codadx6 | |
154 | * i.MX5x -> coda7 | |
155 | * i.MX6 -> coda960 | |
156 | * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants | |
157 | */ | |
814c3762 | 158 | static const struct coda_codec codadx6_codecs[] = { |
b96904e5 PZ |
159 | CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576), |
160 | CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576), | |
161 | }; | |
162 | ||
814c3762 | 163 | static const struct coda_codec coda7_codecs[] = { |
b96904e5 PZ |
164 | CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720), |
165 | CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720), | |
cb1d3a33 | 166 | CODA_CODEC(CODA7_MODE_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192), |
b0ed05b9 PZ |
167 | CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088), |
168 | CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088), | |
cb1d3a33 | 169 | CODA_CODEC(CODA7_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192), |
b96904e5 PZ |
170 | }; |
171 | ||
814c3762 | 172 | static const struct coda_codec coda9_codecs[] = { |
b0ed05b9 PZ |
173 | CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1088), |
174 | CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1088), | |
175 | CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088), | |
176 | CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088), | |
89548441 PZ |
177 | }; |
178 | ||
2c11d1bd PZ |
179 | struct coda_video_device { |
180 | const char *name; | |
181 | enum coda_inst_type type; | |
182 | const struct coda_context_ops *ops; | |
a22496c6 | 183 | bool direct; |
2c11d1bd PZ |
184 | u32 src_formats[CODA_MAX_FORMATS]; |
185 | u32 dst_formats[CODA_MAX_FORMATS]; | |
186 | }; | |
187 | ||
188 | static const struct coda_video_device coda_bit_encoder = { | |
189 | .name = "coda-encoder", | |
190 | .type = CODA_INST_ENCODER, | |
191 | .ops = &coda_bit_encode_ops, | |
192 | .src_formats = { | |
193 | V4L2_PIX_FMT_YUV420, | |
194 | V4L2_PIX_FMT_YVU420, | |
195 | V4L2_PIX_FMT_NV12, | |
196 | }, | |
197 | .dst_formats = { | |
198 | V4L2_PIX_FMT_H264, | |
199 | V4L2_PIX_FMT_MPEG4, | |
200 | }, | |
201 | }; | |
202 | ||
cb1d3a33 PZ |
203 | static const struct coda_video_device coda_bit_jpeg_encoder = { |
204 | .name = "coda-jpeg-encoder", | |
205 | .type = CODA_INST_ENCODER, | |
206 | .ops = &coda_bit_encode_ops, | |
207 | .src_formats = { | |
208 | V4L2_PIX_FMT_YUV420, | |
209 | V4L2_PIX_FMT_YVU420, | |
210 | V4L2_PIX_FMT_NV12, | |
211 | V4L2_PIX_FMT_YUV422P, | |
212 | }, | |
213 | .dst_formats = { | |
214 | V4L2_PIX_FMT_JPEG, | |
215 | }, | |
216 | }; | |
217 | ||
2c11d1bd PZ |
218 | static const struct coda_video_device coda_bit_decoder = { |
219 | .name = "coda-decoder", | |
220 | .type = CODA_INST_DECODER, | |
221 | .ops = &coda_bit_decode_ops, | |
222 | .src_formats = { | |
223 | V4L2_PIX_FMT_H264, | |
224 | V4L2_PIX_FMT_MPEG4, | |
225 | }, | |
226 | .dst_formats = { | |
227 | V4L2_PIX_FMT_YUV420, | |
228 | V4L2_PIX_FMT_YVU420, | |
229 | V4L2_PIX_FMT_NV12, | |
230 | }, | |
231 | }; | |
232 | ||
cb1d3a33 PZ |
233 | static const struct coda_video_device coda_bit_jpeg_decoder = { |
234 | .name = "coda-jpeg-decoder", | |
235 | .type = CODA_INST_DECODER, | |
236 | .ops = &coda_bit_decode_ops, | |
237 | .src_formats = { | |
238 | V4L2_PIX_FMT_JPEG, | |
239 | }, | |
240 | .dst_formats = { | |
241 | V4L2_PIX_FMT_YUV420, | |
242 | V4L2_PIX_FMT_YVU420, | |
243 | V4L2_PIX_FMT_NV12, | |
244 | V4L2_PIX_FMT_YUV422P, | |
245 | }, | |
246 | }; | |
247 | ||
2c11d1bd PZ |
248 | static const struct coda_video_device *codadx6_video_devices[] = { |
249 | &coda_bit_encoder, | |
250 | }; | |
251 | ||
252 | static const struct coda_video_device *coda7_video_devices[] = { | |
cb1d3a33 PZ |
253 | &coda_bit_jpeg_encoder, |
254 | &coda_bit_jpeg_decoder, | |
2c11d1bd PZ |
255 | &coda_bit_encoder, |
256 | &coda_bit_decoder, | |
257 | }; | |
258 | ||
259 | static const struct coda_video_device *coda9_video_devices[] = { | |
260 | &coda_bit_encoder, | |
261 | &coda_bit_decoder, | |
262 | }; | |
263 | ||
b96904e5 PZ |
264 | static bool coda_format_is_yuv(u32 fourcc) |
265 | { | |
266 | switch (fourcc) { | |
267 | case V4L2_PIX_FMT_YUV420: | |
268 | case V4L2_PIX_FMT_YVU420: | |
1cb12cf3 | 269 | case V4L2_PIX_FMT_NV12: |
4de69319 | 270 | case V4L2_PIX_FMT_YUV422P: |
b96904e5 PZ |
271 | return true; |
272 | default: | |
273 | return false; | |
274 | } | |
275 | } | |
276 | ||
2c11d1bd PZ |
277 | static const char *coda_format_name(u32 fourcc) |
278 | { | |
279 | int i; | |
280 | ||
281 | for (i = 0; i < ARRAY_SIZE(coda_formats); i++) { | |
282 | if (coda_formats[i].fourcc == fourcc) | |
283 | return coda_formats[i].name; | |
284 | } | |
285 | ||
286 | return NULL; | |
287 | } | |
288 | ||
b96904e5 PZ |
289 | /* |
290 | * Normalize all supported YUV 4:2:0 formats to the value used in the codec | |
291 | * tables. | |
292 | */ | |
293 | static u32 coda_format_normalize_yuv(u32 fourcc) | |
294 | { | |
295 | return coda_format_is_yuv(fourcc) ? V4L2_PIX_FMT_YUV420 : fourcc; | |
296 | } | |
297 | ||
814c3762 PZ |
298 | static const struct coda_codec *coda_find_codec(struct coda_dev *dev, |
299 | int src_fourcc, int dst_fourcc) | |
186b250a | 300 | { |
814c3762 | 301 | const struct coda_codec *codecs = dev->devtype->codecs; |
b96904e5 PZ |
302 | int num_codecs = dev->devtype->num_codecs; |
303 | int k; | |
304 | ||
305 | src_fourcc = coda_format_normalize_yuv(src_fourcc); | |
306 | dst_fourcc = coda_format_normalize_yuv(dst_fourcc); | |
307 | if (src_fourcc == dst_fourcc) | |
308 | return NULL; | |
186b250a | 309 | |
b96904e5 PZ |
310 | for (k = 0; k < num_codecs; k++) { |
311 | if (codecs[k].src_fourcc == src_fourcc && | |
312 | codecs[k].dst_fourcc == dst_fourcc) | |
186b250a JM |
313 | break; |
314 | } | |
315 | ||
b96904e5 | 316 | if (k == num_codecs) |
186b250a JM |
317 | return NULL; |
318 | ||
b96904e5 | 319 | return &codecs[k]; |
186b250a JM |
320 | } |
321 | ||
57625593 | 322 | static void coda_get_max_dimensions(struct coda_dev *dev, |
814c3762 | 323 | const struct coda_codec *codec, |
57625593 PZ |
324 | int *max_w, int *max_h) |
325 | { | |
814c3762 | 326 | const struct coda_codec *codecs = dev->devtype->codecs; |
57625593 PZ |
327 | int num_codecs = dev->devtype->num_codecs; |
328 | unsigned int w, h; | |
329 | int k; | |
330 | ||
331 | if (codec) { | |
332 | w = codec->max_w; | |
333 | h = codec->max_h; | |
334 | } else { | |
335 | for (k = 0, w = 0, h = 0; k < num_codecs; k++) { | |
336 | w = max(w, codecs[k].max_w); | |
337 | h = max(h, codecs[k].max_h); | |
338 | } | |
339 | } | |
340 | ||
341 | if (max_w) | |
342 | *max_w = w; | |
343 | if (max_h) | |
344 | *max_h = h; | |
345 | } | |
346 | ||
2c11d1bd PZ |
347 | const struct coda_video_device *to_coda_video_device(struct video_device *vdev) |
348 | { | |
349 | struct coda_dev *dev = video_get_drvdata(vdev); | |
350 | unsigned int i = vdev - dev->vfd; | |
351 | ||
352 | if (i >= dev->devtype->num_vdevs) | |
353 | return NULL; | |
354 | ||
355 | return dev->devtype->vdevs[i]; | |
356 | } | |
357 | ||
79924ca9 | 358 | const char *coda_product_name(int product) |
927933f7 PZ |
359 | { |
360 | static char buf[9]; | |
361 | ||
362 | switch (product) { | |
363 | case CODA_DX6: | |
364 | return "CodaDx6"; | |
365 | case CODA_7541: | |
366 | return "CODA7541"; | |
89548441 PZ |
367 | case CODA_960: |
368 | return "CODA960"; | |
927933f7 PZ |
369 | default: |
370 | snprintf(buf, sizeof(buf), "(0x%04x)", product); | |
371 | return buf; | |
372 | } | |
373 | } | |
374 | ||
186b250a JM |
375 | /* |
376 | * V4L2 ioctl() operations. | |
377 | */ | |
2e9e4f11 PZ |
378 | static int coda_querycap(struct file *file, void *priv, |
379 | struct v4l2_capability *cap) | |
186b250a | 380 | { |
927933f7 PZ |
381 | struct coda_ctx *ctx = fh_to_ctx(priv); |
382 | ||
186b250a | 383 | strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver)); |
927933f7 PZ |
384 | strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product), |
385 | sizeof(cap->card)); | |
dad0e1ce | 386 | strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info)); |
3898e7a7 | 387 | cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING; |
186b250a JM |
388 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
22e244b8 PZ |
393 | static int coda_enum_fmt(struct file *file, void *priv, |
394 | struct v4l2_fmtdesc *f) | |
186b250a | 395 | { |
2c11d1bd PZ |
396 | struct video_device *vdev = video_devdata(file); |
397 | const struct coda_video_device *cvd = to_coda_video_device(vdev); | |
398 | const u32 *formats; | |
399 | const char *name; | |
400 | ||
401 | if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
402 | formats = cvd->src_formats; | |
403 | else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
404 | formats = cvd->dst_formats; | |
22e244b8 | 405 | else |
2c11d1bd | 406 | return -EINVAL; |
186b250a | 407 | |
2c11d1bd PZ |
408 | if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0) |
409 | return -EINVAL; | |
410 | ||
411 | name = coda_format_name(formats[f->index]); | |
412 | strlcpy(f->description, name, sizeof(f->description)); | |
413 | f->pixelformat = formats[f->index]; | |
414 | if (!coda_format_is_yuv(formats[f->index])) | |
415 | f->flags |= V4L2_FMT_FLAG_COMPRESSED; | |
186b250a | 416 | |
2c11d1bd | 417 | return 0; |
186b250a JM |
418 | } |
419 | ||
2e9e4f11 PZ |
420 | static int coda_g_fmt(struct file *file, void *priv, |
421 | struct v4l2_format *f) | |
186b250a | 422 | { |
186b250a JM |
423 | struct coda_q_data *q_data; |
424 | struct coda_ctx *ctx = fh_to_ctx(priv); | |
425 | ||
186b250a | 426 | q_data = get_q_data(ctx, f->type); |
b9736299 PZ |
427 | if (!q_data) |
428 | return -EINVAL; | |
186b250a JM |
429 | |
430 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
b96904e5 | 431 | f->fmt.pix.pixelformat = q_data->fourcc; |
186b250a JM |
432 | f->fmt.pix.width = q_data->width; |
433 | f->fmt.pix.height = q_data->height; | |
2fd6a370 | 434 | f->fmt.pix.bytesperline = q_data->bytesperline; |
186b250a JM |
435 | |
436 | f->fmt.pix.sizeimage = q_data->sizeimage; | |
cb1d3a33 PZ |
437 | if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG) |
438 | f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG; | |
439 | else | |
440 | f->fmt.pix.colorspace = ctx->colorspace; | |
186b250a JM |
441 | |
442 | return 0; | |
443 | } | |
444 | ||
2c11d1bd PZ |
445 | static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f) |
446 | { | |
447 | struct coda_q_data *q_data; | |
448 | const u32 *formats; | |
449 | int i; | |
450 | ||
451 | if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
452 | formats = ctx->cvd->src_formats; | |
453 | else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
454 | formats = ctx->cvd->dst_formats; | |
455 | else | |
456 | return -EINVAL; | |
457 | ||
458 | for (i = 0; i < CODA_MAX_FORMATS; i++) { | |
459 | if (formats[i] == f->fmt.pix.pixelformat) { | |
460 | f->fmt.pix.pixelformat = formats[i]; | |
461 | return 0; | |
462 | } | |
463 | } | |
464 | ||
465 | /* Fall back to currently set pixelformat */ | |
466 | q_data = get_q_data(ctx, f->type); | |
467 | f->fmt.pix.pixelformat = q_data->fourcc; | |
186b250a JM |
468 | |
469 | return 0; | |
470 | } | |
471 | ||
8e428d50 PZ |
472 | static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage, |
473 | u32 width, u32 height) | |
474 | { | |
475 | /* | |
476 | * This is a rough estimate for sensible compressed buffer | |
477 | * sizes (between 1 and 16 bits per pixel). This could be | |
478 | * improved by better format specific worst case estimates. | |
479 | */ | |
480 | return round_up(clamp(sizeimage, width * height / 8, | |
481 | width * height * 2), PAGE_SIZE); | |
482 | } | |
483 | ||
814c3762 | 484 | static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec, |
57625593 | 485 | struct v4l2_format *f) |
186b250a | 486 | { |
57625593 | 487 | struct coda_dev *dev = ctx->dev; |
b96904e5 | 488 | unsigned int max_w, max_h; |
186b250a JM |
489 | enum v4l2_field field; |
490 | ||
491 | field = f->fmt.pix.field; | |
492 | if (field == V4L2_FIELD_ANY) | |
493 | field = V4L2_FIELD_NONE; | |
494 | else if (V4L2_FIELD_NONE != field) | |
495 | return -EINVAL; | |
496 | ||
497 | /* V4L2 specification suggests the driver corrects the format struct | |
498 | * if any of the dimensions is unsupported */ | |
499 | f->fmt.pix.field = field; | |
500 | ||
57625593 PZ |
501 | coda_get_max_dimensions(dev, codec, &max_w, &max_h); |
502 | v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN, | |
503 | &f->fmt.pix.height, MIN_H, max_h, H_ALIGN, | |
504 | S_ALIGN); | |
505 | ||
506 | switch (f->fmt.pix.pixelformat) { | |
507 | case V4L2_PIX_FMT_YUV420: | |
508 | case V4L2_PIX_FMT_YVU420: | |
1cb12cf3 | 509 | case V4L2_PIX_FMT_NV12: |
cb1d3a33 PZ |
510 | /* |
511 | * Frame stride must be at least multiple of 8, | |
512 | * but multiple of 16 for h.264 or JPEG 4:2:x | |
513 | */ | |
451dfe5d | 514 | f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16); |
47cf0c61 | 515 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * |
451d43ad | 516 | f->fmt.pix.height * 3 / 2; |
57625593 | 517 | break; |
4de69319 PZ |
518 | case V4L2_PIX_FMT_YUV422P: |
519 | f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16); | |
520 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * | |
521 | f->fmt.pix.height * 2; | |
522 | break; | |
cb1d3a33 PZ |
523 | case V4L2_PIX_FMT_JPEG: |
524 | f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG; | |
525 | /* fallthrough */ | |
57625593 PZ |
526 | case V4L2_PIX_FMT_H264: |
527 | case V4L2_PIX_FMT_MPEG4: | |
186b250a | 528 | f->fmt.pix.bytesperline = 0; |
8e428d50 PZ |
529 | f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx, |
530 | f->fmt.pix.sizeimage, | |
531 | f->fmt.pix.width, | |
532 | f->fmt.pix.height); | |
57625593 PZ |
533 | break; |
534 | default: | |
535 | BUG(); | |
186b250a JM |
536 | } |
537 | ||
538 | return 0; | |
539 | } | |
540 | ||
2e9e4f11 PZ |
541 | static int coda_try_fmt_vid_cap(struct file *file, void *priv, |
542 | struct v4l2_format *f) | |
186b250a | 543 | { |
186b250a | 544 | struct coda_ctx *ctx = fh_to_ctx(priv); |
2c11d1bd PZ |
545 | const struct coda_q_data *q_data_src; |
546 | const struct coda_codec *codec; | |
918c66fd PZ |
547 | struct vb2_queue *src_vq; |
548 | int ret; | |
549 | ||
2c11d1bd PZ |
550 | ret = coda_try_pixelformat(ctx, f); |
551 | if (ret < 0) | |
552 | return ret; | |
553 | ||
554 | q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); | |
555 | ||
918c66fd | 556 | /* |
2c11d1bd PZ |
557 | * If the source format is already fixed, only allow the same output |
558 | * resolution | |
918c66fd | 559 | */ |
14604e3a | 560 | src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); |
918c66fd | 561 | if (vb2_is_streaming(src_vq)) { |
91b5841e PZ |
562 | f->fmt.pix.width = q_data_src->width; |
563 | f->fmt.pix.height = q_data_src->height; | |
918c66fd | 564 | } |
186b250a JM |
565 | |
566 | f->fmt.pix.colorspace = ctx->colorspace; | |
567 | ||
2c11d1bd PZ |
568 | q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); |
569 | codec = coda_find_codec(ctx->dev, q_data_src->fourcc, | |
570 | f->fmt.pix.pixelformat); | |
571 | if (!codec) | |
572 | return -EINVAL; | |
573 | ||
57625593 | 574 | ret = coda_try_fmt(ctx, codec, f); |
918c66fd PZ |
575 | if (ret < 0) |
576 | return ret; | |
577 | ||
578 | /* The h.264 decoder only returns complete 16x16 macroblocks */ | |
579 | if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) { | |
1b0ed7be | 580 | f->fmt.pix.width = f->fmt.pix.width; |
918c66fd | 581 | f->fmt.pix.height = round_up(f->fmt.pix.height, 16); |
1b0ed7be | 582 | f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16); |
918c66fd PZ |
583 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * |
584 | f->fmt.pix.height * 3 / 2; | |
585 | } | |
586 | ||
587 | return 0; | |
186b250a JM |
588 | } |
589 | ||
2e9e4f11 PZ |
590 | static int coda_try_fmt_vid_out(struct file *file, void *priv, |
591 | struct v4l2_format *f) | |
186b250a JM |
592 | { |
593 | struct coda_ctx *ctx = fh_to_ctx(priv); | |
2c11d1bd PZ |
594 | struct coda_dev *dev = ctx->dev; |
595 | const struct coda_q_data *q_data_dst; | |
596 | const struct coda_codec *codec; | |
597 | int ret; | |
186b250a | 598 | |
2c11d1bd PZ |
599 | ret = coda_try_pixelformat(ctx, f); |
600 | if (ret < 0) | |
601 | return ret; | |
186b250a | 602 | |
5f9826e8 PZ |
603 | switch (f->fmt.pix.colorspace) { |
604 | case V4L2_COLORSPACE_REC709: | |
605 | case V4L2_COLORSPACE_JPEG: | |
606 | break; | |
607 | default: | |
cb1d3a33 PZ |
608 | if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG) |
609 | f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG; | |
610 | else | |
611 | f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709; | |
4f31ff01 | 612 | } |
186b250a | 613 | |
2c11d1bd PZ |
614 | q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); |
615 | codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc); | |
186b250a | 616 | |
57625593 | 617 | return coda_try_fmt(ctx, codec, f); |
186b250a JM |
618 | } |
619 | ||
2e9e4f11 | 620 | static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f) |
186b250a JM |
621 | { |
622 | struct coda_q_data *q_data; | |
623 | struct vb2_queue *vq; | |
186b250a | 624 | |
14604e3a | 625 | vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); |
186b250a JM |
626 | if (!vq) |
627 | return -EINVAL; | |
628 | ||
629 | q_data = get_q_data(ctx, f->type); | |
630 | if (!q_data) | |
631 | return -EINVAL; | |
632 | ||
633 | if (vb2_is_busy(vq)) { | |
634 | v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__); | |
635 | return -EBUSY; | |
636 | } | |
637 | ||
b96904e5 | 638 | q_data->fourcc = f->fmt.pix.pixelformat; |
186b250a JM |
639 | q_data->width = f->fmt.pix.width; |
640 | q_data->height = f->fmt.pix.height; | |
2fd6a370 | 641 | q_data->bytesperline = f->fmt.pix.bytesperline; |
451d43ad | 642 | q_data->sizeimage = f->fmt.pix.sizeimage; |
52c41676 PZ |
643 | q_data->rect.left = 0; |
644 | q_data->rect.top = 0; | |
645 | q_data->rect.width = f->fmt.pix.width; | |
646 | q_data->rect.height = f->fmt.pix.height; | |
186b250a JM |
647 | |
648 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
649 | "Setting format for type %d, wxh: %dx%d, fmt: %d\n", | |
b96904e5 | 650 | f->type, q_data->width, q_data->height, q_data->fourcc); |
186b250a JM |
651 | |
652 | return 0; | |
653 | } | |
654 | ||
2e9e4f11 PZ |
655 | static int coda_s_fmt_vid_cap(struct file *file, void *priv, |
656 | struct v4l2_format *f) | |
186b250a | 657 | { |
b96904e5 | 658 | struct coda_ctx *ctx = fh_to_ctx(priv); |
186b250a JM |
659 | int ret; |
660 | ||
2e9e4f11 | 661 | ret = coda_try_fmt_vid_cap(file, priv, f); |
186b250a JM |
662 | if (ret) |
663 | return ret; | |
664 | ||
2e9e4f11 | 665 | return coda_s_fmt(ctx, f); |
186b250a JM |
666 | } |
667 | ||
2e9e4f11 PZ |
668 | static int coda_s_fmt_vid_out(struct file *file, void *priv, |
669 | struct v4l2_format *f) | |
186b250a JM |
670 | { |
671 | struct coda_ctx *ctx = fh_to_ctx(priv); | |
f95a6ce1 | 672 | struct v4l2_format f_cap; |
186b250a JM |
673 | int ret; |
674 | ||
2e9e4f11 | 675 | ret = coda_try_fmt_vid_out(file, priv, f); |
186b250a JM |
676 | if (ret) |
677 | return ret; | |
678 | ||
2e9e4f11 | 679 | ret = coda_s_fmt(ctx, f); |
186b250a | 680 | if (ret) |
2dc546d0 PZ |
681 | return ret; |
682 | ||
683 | ctx->colorspace = f->fmt.pix.colorspace; | |
186b250a | 684 | |
1c2f6a99 | 685 | memset(&f_cap, 0, sizeof(f_cap)); |
f95a6ce1 PZ |
686 | f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
687 | coda_g_fmt(file, priv, &f_cap); | |
688 | f_cap.fmt.pix.width = f->fmt.pix.width; | |
689 | f_cap.fmt.pix.height = f->fmt.pix.height; | |
690 | ||
691 | ret = coda_try_fmt_vid_cap(file, priv, &f_cap); | |
692 | if (ret) | |
693 | return ret; | |
694 | ||
695 | return coda_s_fmt(ctx, &f_cap); | |
186b250a JM |
696 | } |
697 | ||
73751da6 PZ |
698 | static int coda_reqbufs(struct file *file, void *priv, |
699 | struct v4l2_requestbuffers *rb) | |
700 | { | |
701 | struct coda_ctx *ctx = fh_to_ctx(priv); | |
702 | int ret; | |
703 | ||
704 | ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb); | |
705 | if (ret) | |
706 | return ret; | |
707 | ||
708 | /* | |
709 | * Allow to allocate instance specific per-context buffers, such as | |
710 | * bitstream ringbuffer, slice buffer, work buffer, etc. if needed. | |
711 | */ | |
712 | if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs) | |
713 | return ctx->ops->reqbufs(ctx, rb); | |
714 | ||
715 | return 0; | |
716 | } | |
717 | ||
2e9e4f11 PZ |
718 | static int coda_qbuf(struct file *file, void *priv, |
719 | struct v4l2_buffer *buf) | |
186b250a JM |
720 | { |
721 | struct coda_ctx *ctx = fh_to_ctx(priv); | |
722 | ||
14604e3a | 723 | return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf); |
186b250a JM |
724 | } |
725 | ||
918c66fd | 726 | static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx, |
9f2bfb33 | 727 | struct vb2_buffer *buf) |
918c66fd PZ |
728 | { |
729 | struct vb2_queue *src_vq; | |
730 | ||
14604e3a | 731 | src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); |
918c66fd PZ |
732 | |
733 | return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) && | |
9f2bfb33 | 734 | (buf->v4l2_buf.sequence == (ctx->qsequence - 1))); |
918c66fd PZ |
735 | } |
736 | ||
9f2bfb33 PZ |
737 | void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_buffer *buf, |
738 | enum vb2_buffer_state state) | |
186b250a | 739 | { |
9f2bfb33 PZ |
740 | const struct v4l2_event eos_event = { |
741 | .type = V4L2_EVENT_EOS | |
742 | }; | |
186b250a | 743 | |
9f2bfb33 PZ |
744 | if (coda_buf_is_end_of_stream(ctx, buf)) { |
745 | buf->v4l2_buf.flags |= V4L2_BUF_FLAG_LAST; | |
918c66fd PZ |
746 | |
747 | v4l2_event_queue_fh(&ctx->fh, &eos_event); | |
748 | } | |
749 | ||
9f2bfb33 | 750 | v4l2_m2m_buf_done(buf, state); |
186b250a JM |
751 | } |
752 | ||
52c41676 PZ |
753 | static int coda_g_selection(struct file *file, void *fh, |
754 | struct v4l2_selection *s) | |
755 | { | |
756 | struct coda_ctx *ctx = fh_to_ctx(fh); | |
757 | struct coda_q_data *q_data; | |
758 | struct v4l2_rect r, *rsel; | |
759 | ||
760 | q_data = get_q_data(ctx, s->type); | |
761 | if (!q_data) | |
762 | return -EINVAL; | |
763 | ||
764 | r.left = 0; | |
765 | r.top = 0; | |
766 | r.width = q_data->width; | |
767 | r.height = q_data->height; | |
768 | rsel = &q_data->rect; | |
769 | ||
770 | switch (s->target) { | |
771 | case V4L2_SEL_TGT_CROP_DEFAULT: | |
772 | case V4L2_SEL_TGT_CROP_BOUNDS: | |
773 | rsel = &r; | |
774 | /* fallthrough */ | |
775 | case V4L2_SEL_TGT_CROP: | |
776 | if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
777 | return -EINVAL; | |
778 | break; | |
779 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: | |
780 | case V4L2_SEL_TGT_COMPOSE_PADDED: | |
781 | rsel = &r; | |
782 | /* fallthrough */ | |
783 | case V4L2_SEL_TGT_COMPOSE: | |
784 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: | |
785 | if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
786 | return -EINVAL; | |
787 | break; | |
788 | default: | |
789 | return -EINVAL; | |
790 | } | |
791 | ||
792 | s->r = *rsel; | |
793 | ||
794 | return 0; | |
795 | } | |
796 | ||
64ba40ac PZ |
797 | static int coda_try_decoder_cmd(struct file *file, void *fh, |
798 | struct v4l2_decoder_cmd *dc) | |
918c66fd | 799 | { |
918c66fd PZ |
800 | if (dc->cmd != V4L2_DEC_CMD_STOP) |
801 | return -EINVAL; | |
802 | ||
64ba40ac | 803 | if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK) |
918c66fd PZ |
804 | return -EINVAL; |
805 | ||
64ba40ac | 806 | if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0)) |
918c66fd PZ |
807 | return -EINVAL; |
808 | ||
64ba40ac PZ |
809 | return 0; |
810 | } | |
811 | ||
812 | static int coda_decoder_cmd(struct file *file, void *fh, | |
813 | struct v4l2_decoder_cmd *dc) | |
814 | { | |
815 | struct coda_ctx *ctx = fh_to_ctx(fh); | |
816 | int ret; | |
817 | ||
818 | ret = coda_try_decoder_cmd(file, fh, dc); | |
819 | if (ret < 0) | |
820 | return ret; | |
821 | ||
822 | /* Ignore decoder stop command silently in encoder context */ | |
918c66fd | 823 | if (ctx->inst_type != CODA_INST_DECODER) |
64ba40ac | 824 | return 0; |
918c66fd | 825 | |
347bb7f0 PZ |
826 | /* Set the stream-end flag on this context */ |
827 | coda_bit_stream_end_flag(ctx); | |
84e2365d | 828 | ctx->hold = false; |
f3497dad | 829 | v4l2_m2m_try_schedule(ctx->fh.m2m_ctx); |
89548441 | 830 | |
918c66fd PZ |
831 | return 0; |
832 | } | |
833 | ||
2e9e4f11 PZ |
834 | static int coda_subscribe_event(struct v4l2_fh *fh, |
835 | const struct v4l2_event_subscription *sub) | |
918c66fd PZ |
836 | { |
837 | switch (sub->type) { | |
838 | case V4L2_EVENT_EOS: | |
839 | return v4l2_event_subscribe(fh, sub, 0, NULL); | |
840 | default: | |
841 | return v4l2_ctrl_subscribe_event(fh, sub); | |
842 | } | |
186b250a JM |
843 | } |
844 | ||
845 | static const struct v4l2_ioctl_ops coda_ioctl_ops = { | |
2e9e4f11 | 846 | .vidioc_querycap = coda_querycap, |
186b250a | 847 | |
22e244b8 | 848 | .vidioc_enum_fmt_vid_cap = coda_enum_fmt, |
2e9e4f11 PZ |
849 | .vidioc_g_fmt_vid_cap = coda_g_fmt, |
850 | .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap, | |
851 | .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap, | |
186b250a | 852 | |
22e244b8 | 853 | .vidioc_enum_fmt_vid_out = coda_enum_fmt, |
2e9e4f11 PZ |
854 | .vidioc_g_fmt_vid_out = coda_g_fmt, |
855 | .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out, | |
856 | .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out, | |
186b250a | 857 | |
73751da6 | 858 | .vidioc_reqbufs = coda_reqbufs, |
152ea1c8 | 859 | .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, |
186b250a | 860 | |
2e9e4f11 | 861 | .vidioc_qbuf = coda_qbuf, |
152ea1c8 | 862 | .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, |
9f2bfb33 | 863 | .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, |
152ea1c8 | 864 | .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, |
186b250a | 865 | |
152ea1c8 PZ |
866 | .vidioc_streamon = v4l2_m2m_ioctl_streamon, |
867 | .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, | |
918c66fd | 868 | |
52c41676 PZ |
869 | .vidioc_g_selection = coda_g_selection, |
870 | ||
64ba40ac | 871 | .vidioc_try_decoder_cmd = coda_try_decoder_cmd, |
2e9e4f11 | 872 | .vidioc_decoder_cmd = coda_decoder_cmd, |
918c66fd | 873 | |
2e9e4f11 | 874 | .vidioc_subscribe_event = coda_subscribe_event, |
918c66fd | 875 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
186b250a JM |
876 | }; |
877 | ||
79924ca9 | 878 | void coda_set_gdi_regs(struct coda_ctx *ctx) |
89548441 PZ |
879 | { |
880 | struct gdi_tiled_map *tiled_map = &ctx->tiled_map; | |
881 | struct coda_dev *dev = ctx->dev; | |
882 | int i; | |
883 | ||
884 | for (i = 0; i < 16; i++) | |
885 | coda_write(dev, tiled_map->xy2ca_map[i], | |
886 | CODA9_GDI_XY2_CAS_0 + 4 * i); | |
887 | for (i = 0; i < 4; i++) | |
888 | coda_write(dev, tiled_map->xy2ba_map[i], | |
889 | CODA9_GDI_XY2_BA_0 + 4 * i); | |
890 | for (i = 0; i < 16; i++) | |
891 | coda_write(dev, tiled_map->xy2ra_map[i], | |
892 | CODA9_GDI_XY2_RAS_0 + 4 * i); | |
893 | coda_write(dev, tiled_map->xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG); | |
894 | for (i = 0; i < 32; i++) | |
895 | coda_write(dev, tiled_map->rbc2axi_map[i], | |
896 | CODA9_GDI_RBC2_AXI_0 + 4 * i); | |
897 | } | |
898 | ||
186b250a JM |
899 | /* |
900 | * Mem-to-mem operations. | |
901 | */ | |
477c1cfe PZ |
902 | |
903 | static void coda_device_run(void *m2m_priv) | |
904 | { | |
905 | struct coda_ctx *ctx = m2m_priv; | |
906 | struct coda_dev *dev = ctx->dev; | |
32b6f206 PZ |
907 | |
908 | queue_work(dev->workqueue, &ctx->pic_run_work); | |
909 | } | |
910 | ||
32b6f206 PZ |
911 | static void coda_pic_run_work(struct work_struct *work) |
912 | { | |
913 | struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work); | |
914 | struct coda_dev *dev = ctx->dev; | |
915 | int ret; | |
916 | ||
917 | mutex_lock(&ctx->buffer_mutex); | |
918c66fd PZ |
918 | mutex_lock(&dev->coda_mutex); |
919 | ||
a1192a17 PZ |
920 | ret = ctx->ops->prepare_run(ctx); |
921 | if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) { | |
922 | mutex_unlock(&dev->coda_mutex); | |
923 | mutex_unlock(&ctx->buffer_mutex); | |
924 | /* job_finish scheduled by prepare_decode */ | |
925 | return; | |
1043667b PZ |
926 | } |
927 | ||
f23797b6 PZ |
928 | if (!wait_for_completion_timeout(&ctx->completion, |
929 | msecs_to_jiffies(1000))) { | |
32b6f206 | 930 | dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n"); |
84e2365d PZ |
931 | |
932 | ctx->hold = true; | |
8f45284c PZ |
933 | |
934 | coda_hw_reset(ctx); | |
32b6f206 | 935 | } else if (!ctx->aborting) { |
a1192a17 | 936 | ctx->ops->finish_run(ctx); |
32b6f206 PZ |
937 | } |
938 | ||
747d7646 PZ |
939 | if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) && |
940 | ctx->ops->seq_end_work) | |
32b6f206 PZ |
941 | queue_work(dev->workqueue, &ctx->seq_end_work); |
942 | ||
943 | mutex_unlock(&dev->coda_mutex); | |
944 | mutex_unlock(&ctx->buffer_mutex); | |
945 | ||
14604e3a | 946 | v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx); |
186b250a JM |
947 | } |
948 | ||
949 | static int coda_job_ready(void *m2m_priv) | |
950 | { | |
951 | struct coda_ctx *ctx = m2m_priv; | |
952 | ||
953 | /* | |
954 | * For both 'P' and 'key' frame cases 1 picture | |
9082a7c6 PZ |
955 | * and 1 frame are needed. In the decoder case, |
956 | * the compressed frame can be in the bitstream. | |
186b250a | 957 | */ |
14604e3a | 958 | if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) && |
9082a7c6 | 959 | ctx->inst_type != CODA_INST_DECODER) { |
186b250a JM |
960 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, |
961 | "not ready: not enough video buffers.\n"); | |
962 | return 0; | |
963 | } | |
964 | ||
14604e3a | 965 | if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) { |
9082a7c6 PZ |
966 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, |
967 | "not ready: not enough video capture buffers.\n"); | |
968 | return 0; | |
969 | } | |
970 | ||
a22496c6 | 971 | if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) { |
f77fd8a9 PZ |
972 | struct list_head *meta; |
973 | bool stream_end; | |
974 | int num_metas; | |
975 | int src_bufs; | |
976 | ||
977 | if (ctx->hold && !v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx)) { | |
978 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
979 | "%d: not ready: on hold for more buffers.\n", | |
980 | ctx->idx); | |
981 | return 0; | |
982 | } | |
983 | ||
984 | stream_end = ctx->bit_stream_param & | |
985 | CODA_BIT_STREAM_END_FLAG; | |
986 | ||
987 | num_metas = 0; | |
988 | list_for_each(meta, &ctx->buffer_meta_list) | |
989 | num_metas++; | |
990 | ||
991 | src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx); | |
992 | ||
993 | if (!stream_end && (num_metas + src_bufs) < 2) { | |
994 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
995 | "%d: not ready: need 2 buffers available (%d, %d)\n", | |
996 | ctx->idx, num_metas, src_bufs); | |
997 | return 0; | |
998 | } | |
999 | ||
1000 | ||
1001 | if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) && | |
1002 | !stream_end && (coda_get_bitstream_payload(ctx) < 512)) { | |
1003 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1004 | "%d: not ready: not enough bitstream data (%d).\n", | |
1005 | ctx->idx, coda_get_bitstream_payload(ctx)); | |
1006 | return 0; | |
1007 | } | |
918c66fd PZ |
1008 | } |
1009 | ||
3e748268 PZ |
1010 | if (ctx->aborting) { |
1011 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1012 | "not ready: aborting\n"); | |
1013 | return 0; | |
1014 | } | |
1015 | ||
186b250a JM |
1016 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, |
1017 | "job ready\n"); | |
1018 | return 1; | |
1019 | } | |
1020 | ||
1021 | static void coda_job_abort(void *priv) | |
1022 | { | |
1023 | struct coda_ctx *ctx = priv; | |
186b250a JM |
1024 | |
1025 | ctx->aborting = 1; | |
1026 | ||
1027 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1028 | "Aborting task\n"); | |
186b250a JM |
1029 | } |
1030 | ||
1031 | static void coda_lock(void *m2m_priv) | |
1032 | { | |
1033 | struct coda_ctx *ctx = m2m_priv; | |
1034 | struct coda_dev *pcdev = ctx->dev; | |
f23797b6 | 1035 | |
186b250a JM |
1036 | mutex_lock(&pcdev->dev_mutex); |
1037 | } | |
1038 | ||
1039 | static void coda_unlock(void *m2m_priv) | |
1040 | { | |
1041 | struct coda_ctx *ctx = m2m_priv; | |
1042 | struct coda_dev *pcdev = ctx->dev; | |
f23797b6 | 1043 | |
186b250a JM |
1044 | mutex_unlock(&pcdev->dev_mutex); |
1045 | } | |
1046 | ||
814c3762 | 1047 | static const struct v4l2_m2m_ops coda_m2m_ops = { |
186b250a JM |
1048 | .device_run = coda_device_run, |
1049 | .job_ready = coda_job_ready, | |
1050 | .job_abort = coda_job_abort, | |
1051 | .lock = coda_lock, | |
1052 | .unlock = coda_unlock, | |
1053 | }; | |
1054 | ||
89548441 PZ |
1055 | static void coda_set_tiled_map_type(struct coda_ctx *ctx, int tiled_map_type) |
1056 | { | |
1057 | struct gdi_tiled_map *tiled_map = &ctx->tiled_map; | |
1058 | int luma_map, chro_map, i; | |
1059 | ||
1060 | memset(tiled_map, 0, sizeof(*tiled_map)); | |
1061 | ||
1062 | luma_map = 64; | |
1063 | chro_map = 64; | |
1064 | tiled_map->map_type = tiled_map_type; | |
1065 | for (i = 0; i < 16; i++) | |
1066 | tiled_map->xy2ca_map[i] = luma_map << 8 | chro_map; | |
1067 | for (i = 0; i < 4; i++) | |
1068 | tiled_map->xy2ba_map[i] = luma_map << 8 | chro_map; | |
1069 | for (i = 0; i < 16; i++) | |
1070 | tiled_map->xy2ra_map[i] = luma_map << 8 | chro_map; | |
1071 | ||
1072 | if (tiled_map_type == GDI_LINEAR_FRAME_MAP) { | |
1073 | tiled_map->xy2rbc_config = 0; | |
1074 | } else { | |
1075 | dev_err(&ctx->dev->plat_dev->dev, "invalid map type: %d\n", | |
1076 | tiled_map_type); | |
1077 | return; | |
1078 | } | |
1079 | } | |
1080 | ||
186b250a JM |
1081 | static void set_default_params(struct coda_ctx *ctx) |
1082 | { | |
8e428d50 | 1083 | unsigned int max_w, max_h, usize, csize; |
b96904e5 | 1084 | |
2c11d1bd PZ |
1085 | ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0], |
1086 | ctx->cvd->dst_formats[0]); | |
d4c6a416 PZ |
1087 | max_w = min(ctx->codec->max_w, 1920U); |
1088 | max_h = min(ctx->codec->max_h, 1088U); | |
8e428d50 PZ |
1089 | usize = max_w * max_h * 3 / 2; |
1090 | csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h); | |
186b250a | 1091 | |
121cacf4 | 1092 | ctx->params.codec_mode = ctx->codec->mode; |
186b250a JM |
1093 | ctx->colorspace = V4L2_COLORSPACE_REC709; |
1094 | ctx->params.framerate = 30; | |
186b250a JM |
1095 | |
1096 | /* Default formats for output and input queues */ | |
b96904e5 PZ |
1097 | ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc; |
1098 | ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc; | |
1099 | ctx->q_data[V4L2_M2M_SRC].width = max_w; | |
1100 | ctx->q_data[V4L2_M2M_SRC].height = max_h; | |
b96904e5 PZ |
1101 | ctx->q_data[V4L2_M2M_DST].width = max_w; |
1102 | ctx->q_data[V4L2_M2M_DST].height = max_h; | |
121cacf4 PZ |
1103 | if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) { |
1104 | ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w; | |
8e428d50 | 1105 | ctx->q_data[V4L2_M2M_SRC].sizeimage = usize; |
121cacf4 | 1106 | ctx->q_data[V4L2_M2M_DST].bytesperline = 0; |
8e428d50 | 1107 | ctx->q_data[V4L2_M2M_DST].sizeimage = csize; |
121cacf4 PZ |
1108 | } else { |
1109 | ctx->q_data[V4L2_M2M_SRC].bytesperline = 0; | |
8e428d50 | 1110 | ctx->q_data[V4L2_M2M_SRC].sizeimage = csize; |
121cacf4 | 1111 | ctx->q_data[V4L2_M2M_DST].bytesperline = max_w; |
8e428d50 | 1112 | ctx->q_data[V4L2_M2M_DST].sizeimage = usize; |
121cacf4 | 1113 | } |
52c41676 PZ |
1114 | ctx->q_data[V4L2_M2M_SRC].rect.width = max_w; |
1115 | ctx->q_data[V4L2_M2M_SRC].rect.height = max_h; | |
1116 | ctx->q_data[V4L2_M2M_DST].rect.width = max_w; | |
1117 | ctx->q_data[V4L2_M2M_DST].rect.height = max_h; | |
89548441 PZ |
1118 | |
1119 | if (ctx->dev->devtype->product == CODA_960) | |
1120 | coda_set_tiled_map_type(ctx, GDI_LINEAR_FRAME_MAP); | |
186b250a JM |
1121 | } |
1122 | ||
1123 | /* | |
1124 | * Queue operations | |
1125 | */ | |
1126 | static int coda_queue_setup(struct vb2_queue *vq, | |
1127 | const struct v4l2_format *fmt, | |
1128 | unsigned int *nbuffers, unsigned int *nplanes, | |
1129 | unsigned int sizes[], void *alloc_ctxs[]) | |
1130 | { | |
1131 | struct coda_ctx *ctx = vb2_get_drv_priv(vq); | |
e34db066 | 1132 | struct coda_q_data *q_data; |
186b250a JM |
1133 | unsigned int size; |
1134 | ||
e34db066 PZ |
1135 | q_data = get_q_data(ctx, vq->type); |
1136 | size = q_data->sizeimage; | |
186b250a JM |
1137 | |
1138 | *nplanes = 1; | |
1139 | sizes[0] = size; | |
1140 | ||
bb04aa6f | 1141 | /* Set to vb2-dma-contig allocator context, ignored by vb2-vmalloc */ |
186b250a JM |
1142 | alloc_ctxs[0] = ctx->dev->alloc_ctx; |
1143 | ||
1144 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1145 | "get %d buffer(s) of size %d each.\n", *nbuffers, size); | |
1146 | ||
1147 | return 0; | |
1148 | } | |
1149 | ||
1150 | static int coda_buf_prepare(struct vb2_buffer *vb) | |
1151 | { | |
1152 | struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); | |
1153 | struct coda_q_data *q_data; | |
1154 | ||
1155 | q_data = get_q_data(ctx, vb->vb2_queue->type); | |
1156 | ||
1157 | if (vb2_plane_size(vb, 0) < q_data->sizeimage) { | |
1158 | v4l2_warn(&ctx->dev->v4l2_dev, | |
1159 | "%s data will not fit into plane (%lu < %lu)\n", | |
1160 | __func__, vb2_plane_size(vb, 0), | |
1161 | (long)q_data->sizeimage); | |
1162 | return -EINVAL; | |
1163 | } | |
1164 | ||
186b250a JM |
1165 | return 0; |
1166 | } | |
1167 | ||
1168 | static void coda_buf_queue(struct vb2_buffer *vb) | |
1169 | { | |
1170 | struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); | |
cb06b705 | 1171 | struct vb2_queue *vq = vb->vb2_queue; |
918c66fd PZ |
1172 | struct coda_q_data *q_data; |
1173 | ||
1174 | q_data = get_q_data(ctx, vb->vb2_queue->type); | |
1175 | ||
1176 | /* | |
1177 | * In the decoder case, immediately try to copy the buffer into the | |
1178 | * bitstream ringbuffer and mark it as ready to be dequeued. | |
1179 | */ | |
cb06b705 | 1180 | if (ctx->bitstream.size && vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { |
918c66fd | 1181 | /* |
39c1cb2b | 1182 | * For backwards compatibility, queuing an empty buffer marks |
918c66fd PZ |
1183 | * the stream end |
1184 | */ | |
347bb7f0 PZ |
1185 | if (vb2_get_plane_payload(vb, 0) == 0) |
1186 | coda_bit_stream_end_flag(ctx); | |
918c66fd | 1187 | mutex_lock(&ctx->bitstream_mutex); |
14604e3a | 1188 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); |
eabed931 | 1189 | if (vb2_is_streaming(vb->vb2_queue)) |
582d8872 | 1190 | coda_fill_bitstream(ctx, true); |
918c66fd PZ |
1191 | mutex_unlock(&ctx->bitstream_mutex); |
1192 | } else { | |
14604e3a | 1193 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); |
918c66fd | 1194 | } |
186b250a JM |
1195 | } |
1196 | ||
79924ca9 PZ |
1197 | int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf, |
1198 | size_t size, const char *name, struct dentry *parent) | |
5677e3b0 PZ |
1199 | { |
1200 | buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr, | |
1201 | GFP_KERNEL); | |
68fc31c5 PZ |
1202 | if (!buf->vaddr) { |
1203 | v4l2_err(&dev->v4l2_dev, | |
1204 | "Failed to allocate %s buffer of size %u\n", | |
1205 | name, size); | |
5677e3b0 | 1206 | return -ENOMEM; |
68fc31c5 | 1207 | } |
5677e3b0 PZ |
1208 | |
1209 | buf->size = size; | |
1210 | ||
f61c0b14 PZ |
1211 | if (name && parent) { |
1212 | buf->blob.data = buf->vaddr; | |
1213 | buf->blob.size = size; | |
f23797b6 PZ |
1214 | buf->dentry = debugfs_create_blob(name, 0644, parent, |
1215 | &buf->blob); | |
f61c0b14 PZ |
1216 | if (!buf->dentry) |
1217 | dev_warn(&dev->plat_dev->dev, | |
1218 | "failed to create debugfs entry %s\n", name); | |
1219 | } | |
1220 | ||
5677e3b0 PZ |
1221 | return 0; |
1222 | } | |
1223 | ||
79924ca9 PZ |
1224 | void coda_free_aux_buf(struct coda_dev *dev, |
1225 | struct coda_aux_buf *buf) | |
5677e3b0 PZ |
1226 | { |
1227 | if (buf->vaddr) { | |
1228 | dma_free_coherent(&dev->plat_dev->dev, buf->size, | |
1229 | buf->vaddr, buf->paddr); | |
1230 | buf->vaddr = NULL; | |
1231 | buf->size = 0; | |
d446ec8e PS |
1232 | debugfs_remove(buf->dentry); |
1233 | buf->dentry = NULL; | |
5677e3b0 PZ |
1234 | } |
1235 | } | |
1236 | ||
79924ca9 | 1237 | static int coda_start_streaming(struct vb2_queue *q, unsigned int count) |
5677e3b0 | 1238 | { |
79924ca9 PZ |
1239 | struct coda_ctx *ctx = vb2_get_drv_priv(q); |
1240 | struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev; | |
1241 | struct coda_q_data *q_data_src, *q_data_dst; | |
b906352c | 1242 | struct vb2_buffer *buf; |
79924ca9 | 1243 | int ret = 0; |
5677e3b0 | 1244 | |
79924ca9 PZ |
1245 | q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); |
1246 | if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
cb1d3a33 PZ |
1247 | if (q_data_src->fourcc == V4L2_PIX_FMT_H264 || |
1248 | (q_data_src->fourcc == V4L2_PIX_FMT_JPEG && | |
1249 | ctx->dev->devtype->product == CODA_7541)) { | |
582d8872 | 1250 | /* copy the buffers that were queued before streamon */ |
79924ca9 | 1251 | mutex_lock(&ctx->bitstream_mutex); |
582d8872 | 1252 | coda_fill_bitstream(ctx, false); |
79924ca9 | 1253 | mutex_unlock(&ctx->bitstream_mutex); |
eabed931 | 1254 | |
b906352c PZ |
1255 | if (coda_get_bitstream_payload(ctx) < 512) { |
1256 | ret = -EINVAL; | |
1257 | goto err; | |
1258 | } | |
918c66fd | 1259 | } else { |
b906352c PZ |
1260 | if (count < 1) { |
1261 | ret = -EINVAL; | |
1262 | goto err; | |
1263 | } | |
918c66fd | 1264 | } |
186b250a | 1265 | |
b96904e5 | 1266 | ctx->streamon_out = 1; |
918c66fd | 1267 | } else { |
b906352c PZ |
1268 | if (count < 1) { |
1269 | ret = -EINVAL; | |
1270 | goto err; | |
1271 | } | |
918c66fd PZ |
1272 | |
1273 | ctx->streamon_cap = 1; | |
b96904e5 | 1274 | } |
186b250a | 1275 | |
b96904e5 PZ |
1276 | /* Don't start the coda unless both queues are on */ |
1277 | if (!(ctx->streamon_out & ctx->streamon_cap)) | |
1278 | return 0; | |
186b250a | 1279 | |
23b6ee5c PZ |
1280 | q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); |
1281 | if ((q_data_src->width != q_data_dst->width && | |
1282 | round_up(q_data_src->width, 16) != q_data_dst->width) || | |
1283 | (q_data_src->height != q_data_dst->height && | |
1284 | round_up(q_data_src->height, 16) != q_data_dst->height)) { | |
1285 | v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n", | |
1286 | q_data_src->width, q_data_src->height, | |
1287 | q_data_dst->width, q_data_dst->height); | |
1288 | ret = -EINVAL; | |
1289 | goto err; | |
1290 | } | |
1291 | ||
cb1d3a33 | 1292 | /* Allow BIT decoder device_run with no new buffers queued */ |
a22496c6 | 1293 | if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) |
14604e3a | 1294 | v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true); |
918c66fd | 1295 | |
b96904e5 | 1296 | ctx->gopcounter = ctx->params.gop_size - 1; |
b96904e5 PZ |
1297 | |
1298 | ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc, | |
1299 | q_data_dst->fourcc); | |
1300 | if (!ctx->codec) { | |
186b250a | 1301 | v4l2_err(v4l2_dev, "couldn't tell instance type.\n"); |
b906352c PZ |
1302 | ret = -EINVAL; |
1303 | goto err; | |
186b250a JM |
1304 | } |
1305 | ||
cb1d3a33 PZ |
1306 | if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG) |
1307 | ctx->params.gop_size = 1; | |
1308 | ctx->gopcounter = ctx->params.gop_size - 1; | |
1309 | ||
a1192a17 | 1310 | ret = ctx->ops->start_streaming(ctx); |
918c66fd | 1311 | if (ctx->inst_type == CODA_INST_DECODER) { |
89548441 | 1312 | if (ret == -EAGAIN) |
918c66fd | 1313 | return 0; |
89548441 | 1314 | else if (ret < 0) |
b906352c | 1315 | goto err; |
918c66fd PZ |
1316 | } |
1317 | ||
89548441 PZ |
1318 | ctx->initialized = 1; |
1319 | return ret; | |
b906352c PZ |
1320 | |
1321 | err: | |
1322 | if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
1323 | while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx))) | |
b8b1b58c | 1324 | v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED); |
b906352c PZ |
1325 | } else { |
1326 | while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx))) | |
b8b1b58c | 1327 | v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED); |
b906352c PZ |
1328 | } |
1329 | return ret; | |
89548441 PZ |
1330 | } |
1331 | ||
e37559b2 | 1332 | static void coda_stop_streaming(struct vb2_queue *q) |
186b250a JM |
1333 | { |
1334 | struct coda_ctx *ctx = vb2_get_drv_priv(q); | |
2fb57f06 | 1335 | struct coda_dev *dev = ctx->dev; |
4a31b52f | 1336 | struct vb2_buffer *buf; |
5c76c2c3 PZ |
1337 | bool stop; |
1338 | ||
1339 | stop = ctx->streamon_out && ctx->streamon_cap; | |
186b250a JM |
1340 | |
1341 | if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
918c66fd | 1342 | v4l2_dbg(1, coda_debug, &dev->v4l2_dev, |
186b250a | 1343 | "%s: output\n", __func__); |
b96904e5 | 1344 | ctx->streamon_out = 0; |
918c66fd | 1345 | |
347bb7f0 | 1346 | coda_bit_stream_end_flag(ctx); |
4a31b52f | 1347 | |
6dd5ef5b | 1348 | ctx->qsequence = 0; |
4a31b52f PZ |
1349 | |
1350 | while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx))) | |
1351 | v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); | |
186b250a | 1352 | } else { |
918c66fd | 1353 | v4l2_dbg(1, coda_debug, &dev->v4l2_dev, |
186b250a | 1354 | "%s: capture\n", __func__); |
b96904e5 | 1355 | ctx->streamon_cap = 0; |
2fb57f06 | 1356 | |
918c66fd | 1357 | ctx->osequence = 0; |
cb2c0282 | 1358 | ctx->sequence_offset = 0; |
4a31b52f PZ |
1359 | |
1360 | while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx))) | |
1361 | v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); | |
186b250a JM |
1362 | } |
1363 | ||
5c76c2c3 | 1364 | if (stop) { |
7cbb105f | 1365 | struct coda_buffer_meta *meta; |
846ced9c | 1366 | |
f4706d6e PZ |
1367 | if (ctx->ops->seq_end_work) { |
1368 | queue_work(dev->workqueue, &ctx->seq_end_work); | |
1369 | flush_work(&ctx->seq_end_work); | |
1370 | } | |
18fd0cce | 1371 | mutex_lock(&ctx->bitstream_mutex); |
7cbb105f PZ |
1372 | while (!list_empty(&ctx->buffer_meta_list)) { |
1373 | meta = list_first_entry(&ctx->buffer_meta_list, | |
1374 | struct coda_buffer_meta, list); | |
1375 | list_del(&meta->list); | |
1376 | kfree(meta); | |
846ced9c | 1377 | } |
18fd0cce | 1378 | mutex_unlock(&ctx->bitstream_mutex); |
918c66fd PZ |
1379 | kfifo_init(&ctx->bitstream_fifo, |
1380 | ctx->bitstream.vaddr, ctx->bitstream.size); | |
f4706d6e | 1381 | ctx->initialized = 0; |
918c66fd | 1382 | ctx->runcounter = 0; |
f157cf49 | 1383 | ctx->aborting = 0; |
918c66fd | 1384 | } |
186b250a JM |
1385 | } |
1386 | ||
121cacf4 | 1387 | static const struct vb2_ops coda_qops = { |
186b250a JM |
1388 | .queue_setup = coda_queue_setup, |
1389 | .buf_prepare = coda_buf_prepare, | |
1390 | .buf_queue = coda_buf_queue, | |
186b250a JM |
1391 | .start_streaming = coda_start_streaming, |
1392 | .stop_streaming = coda_stop_streaming, | |
152ea1c8 PZ |
1393 | .wait_prepare = vb2_ops_wait_prepare, |
1394 | .wait_finish = vb2_ops_wait_finish, | |
186b250a JM |
1395 | }; |
1396 | ||
1397 | static int coda_s_ctrl(struct v4l2_ctrl *ctrl) | |
1398 | { | |
1399 | struct coda_ctx *ctx = | |
1400 | container_of(ctrl->handler, struct coda_ctx, ctrls); | |
1401 | ||
1402 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1403 | "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val); | |
1404 | ||
1405 | switch (ctrl->id) { | |
8f35c7bc PZ |
1406 | case V4L2_CID_HFLIP: |
1407 | if (ctrl->val) | |
1408 | ctx->params.rot_mode |= CODA_MIR_HOR; | |
1409 | else | |
1410 | ctx->params.rot_mode &= ~CODA_MIR_HOR; | |
1411 | break; | |
1412 | case V4L2_CID_VFLIP: | |
1413 | if (ctrl->val) | |
1414 | ctx->params.rot_mode |= CODA_MIR_VER; | |
1415 | else | |
1416 | ctx->params.rot_mode &= ~CODA_MIR_VER; | |
1417 | break; | |
186b250a JM |
1418 | case V4L2_CID_MPEG_VIDEO_BITRATE: |
1419 | ctx->params.bitrate = ctrl->val / 1000; | |
1420 | break; | |
1421 | case V4L2_CID_MPEG_VIDEO_GOP_SIZE: | |
1422 | ctx->params.gop_size = ctrl->val; | |
1423 | break; | |
1424 | case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP: | |
1425 | ctx->params.h264_intra_qp = ctrl->val; | |
1426 | break; | |
1427 | case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP: | |
1428 | ctx->params.h264_inter_qp = ctrl->val; | |
1429 | break; | |
1a5567e3 PZ |
1430 | case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: |
1431 | ctx->params.h264_min_qp = ctrl->val; | |
1432 | break; | |
1433 | case V4L2_CID_MPEG_VIDEO_H264_MAX_QP: | |
1434 | ctx->params.h264_max_qp = ctrl->val; | |
1435 | break; | |
de23b1db PZ |
1436 | case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA: |
1437 | ctx->params.h264_deblk_alpha = ctrl->val; | |
1438 | break; | |
1439 | case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA: | |
1440 | ctx->params.h264_deblk_beta = ctrl->val; | |
1441 | break; | |
1442 | case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE: | |
1443 | ctx->params.h264_deblk_enabled = (ctrl->val == | |
1444 | V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED); | |
1445 | break; | |
186b250a JM |
1446 | case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP: |
1447 | ctx->params.mpeg4_intra_qp = ctrl->val; | |
1448 | break; | |
1449 | case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP: | |
1450 | ctx->params.mpeg4_inter_qp = ctrl->val; | |
1451 | break; | |
1452 | case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE: | |
1453 | ctx->params.slice_mode = ctrl->val; | |
1454 | break; | |
1455 | case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB: | |
1456 | ctx->params.slice_max_mb = ctrl->val; | |
1457 | break; | |
c566c789 PZ |
1458 | case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES: |
1459 | ctx->params.slice_max_bits = ctrl->val * 8; | |
1460 | break; | |
186b250a JM |
1461 | case V4L2_CID_MPEG_VIDEO_HEADER_MODE: |
1462 | break; | |
f38f79d5 PZ |
1463 | case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB: |
1464 | ctx->params.intra_refresh = ctrl->val; | |
1465 | break; | |
cb1d3a33 PZ |
1466 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: |
1467 | coda_set_jpeg_compression_quality(ctx, ctrl->val); | |
1468 | break; | |
1469 | case V4L2_CID_JPEG_RESTART_INTERVAL: | |
1470 | ctx->params.jpeg_restart_interval = ctrl->val; | |
1471 | break; | |
186b250a JM |
1472 | default: |
1473 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1474 | "Invalid control, id=%d, val=%d\n", | |
1475 | ctrl->id, ctrl->val); | |
1476 | return -EINVAL; | |
1477 | } | |
1478 | ||
1479 | return 0; | |
1480 | } | |
1481 | ||
814c3762 | 1482 | static const struct v4l2_ctrl_ops coda_ctrl_ops = { |
186b250a JM |
1483 | .s_ctrl = coda_s_ctrl, |
1484 | }; | |
1485 | ||
bfc732f6 | 1486 | static void coda_encode_ctrls(struct coda_ctx *ctx) |
186b250a | 1487 | { |
186b250a | 1488 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
92b042ec | 1489 | V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0); |
186b250a JM |
1490 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
1491 | V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16); | |
1492 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
594a750b | 1493 | V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25); |
186b250a | 1494 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
594a750b | 1495 | V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25); |
1a5567e3 PZ |
1496 | if (ctx->dev->devtype->product != CODA_960) { |
1497 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1498 | V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12); | |
1499 | } | |
1500 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1501 | V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51); | |
de23b1db PZ |
1502 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
1503 | V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0); | |
1504 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1505 | V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0); | |
1506 | v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, | |
1507 | V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, | |
1508 | V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0, | |
1509 | V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED); | |
186b250a JM |
1510 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
1511 | V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2); | |
1512 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1513 | V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2); | |
1514 | v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, | |
1515 | V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE, | |
c566c789 PZ |
1516 | V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0, |
1517 | V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE); | |
186b250a JM |
1518 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
1519 | V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1); | |
c566c789 | 1520 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
f23797b6 PZ |
1521 | V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1, |
1522 | 500); | |
186b250a JM |
1523 | v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, |
1524 | V4L2_CID_MPEG_VIDEO_HEADER_MODE, | |
1525 | V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME, | |
1526 | (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE), | |
1527 | V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME); | |
f38f79d5 | 1528 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
f23797b6 PZ |
1529 | V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0, |
1530 | 1920 * 1088 / 256, 1, 0); | |
bfc732f6 PZ |
1531 | } |
1532 | ||
cb1d3a33 PZ |
1533 | static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx) |
1534 | { | |
1535 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1536 | V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50); | |
1537 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1538 | V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0); | |
1539 | } | |
1540 | ||
bfc732f6 PZ |
1541 | static int coda_ctrls_setup(struct coda_ctx *ctx) |
1542 | { | |
1543 | v4l2_ctrl_handler_init(&ctx->ctrls, 2); | |
1544 | ||
1545 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1546 | V4L2_CID_HFLIP, 0, 1, 1, 0); | |
1547 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1548 | V4L2_CID_VFLIP, 0, 1, 1, 0); | |
cb1d3a33 PZ |
1549 | if (ctx->inst_type == CODA_INST_ENCODER) { |
1550 | if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG) | |
1551 | coda_jpeg_encode_ctrls(ctx); | |
1552 | else | |
1553 | coda_encode_ctrls(ctx); | |
1554 | } | |
186b250a JM |
1555 | |
1556 | if (ctx->ctrls.error) { | |
f23797b6 PZ |
1557 | v4l2_err(&ctx->dev->v4l2_dev, |
1558 | "control initialization error (%d)", | |
186b250a JM |
1559 | ctx->ctrls.error); |
1560 | return -EINVAL; | |
1561 | } | |
1562 | ||
1563 | return v4l2_ctrl_handler_setup(&ctx->ctrls); | |
1564 | } | |
1565 | ||
121cacf4 PZ |
1566 | static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq) |
1567 | { | |
1568 | vq->drv_priv = ctx; | |
1569 | vq->ops = &coda_qops; | |
1570 | vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); | |
1571 | vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; | |
1572 | vq->lock = &ctx->dev->dev_mutex; | |
e4af23d3 KD |
1573 | /* One way to indicate end-of-stream for coda is to set the |
1574 | * bytesused == 0. However by default videobuf2 handles bytesused | |
1575 | * equal to 0 as a special case and changes its value to the size | |
1576 | * of the buffer. Set the allow_zero_bytesused flag, so | |
1577 | * that videobuf2 will keep the value of bytesused intact. | |
1578 | */ | |
1579 | vq->allow_zero_bytesused = 1; | |
121cacf4 PZ |
1580 | |
1581 | return vb2_queue_init(vq); | |
1582 | } | |
1583 | ||
79924ca9 PZ |
1584 | int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq, |
1585 | struct vb2_queue *dst_vq) | |
186b250a | 1586 | { |
186b250a JM |
1587 | int ret; |
1588 | ||
186b250a | 1589 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
d29a8cf2 | 1590 | src_vq->io_modes = VB2_DMABUF | VB2_MMAP; |
186b250a JM |
1591 | src_vq->mem_ops = &vb2_dma_contig_memops; |
1592 | ||
121cacf4 | 1593 | ret = coda_queue_init(priv, src_vq); |
186b250a JM |
1594 | if (ret) |
1595 | return ret; | |
1596 | ||
186b250a | 1597 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
d29a8cf2 | 1598 | dst_vq->io_modes = VB2_DMABUF | VB2_MMAP; |
186b250a JM |
1599 | dst_vq->mem_ops = &vb2_dma_contig_memops; |
1600 | ||
121cacf4 PZ |
1601 | return coda_queue_init(priv, dst_vq); |
1602 | } | |
1603 | ||
79924ca9 PZ |
1604 | int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq, |
1605 | struct vb2_queue *dst_vq) | |
121cacf4 PZ |
1606 | { |
1607 | int ret; | |
1608 | ||
1609 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
bb04aa6f PZ |
1610 | src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR; |
1611 | src_vq->mem_ops = &vb2_vmalloc_memops; | |
121cacf4 PZ |
1612 | |
1613 | ret = coda_queue_init(priv, src_vq); | |
1614 | if (ret) | |
1615 | return ret; | |
1616 | ||
1617 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1618 | dst_vq->io_modes = VB2_DMABUF | VB2_MMAP; | |
1619 | dst_vq->mem_ops = &vb2_dma_contig_memops; | |
1620 | ||
1621 | return coda_queue_init(priv, dst_vq); | |
186b250a JM |
1622 | } |
1623 | ||
e11f3e6e PZ |
1624 | static int coda_next_free_instance(struct coda_dev *dev) |
1625 | { | |
0cddc7e9 PZ |
1626 | int idx = ffz(dev->instance_mask); |
1627 | ||
1628 | if ((idx < 0) || | |
1629 | (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES)) | |
1630 | return -EBUSY; | |
1631 | ||
1632 | return idx; | |
e11f3e6e PZ |
1633 | } |
1634 | ||
2c11d1bd PZ |
1635 | /* |
1636 | * File operations | |
1637 | */ | |
1638 | ||
1639 | static int coda_open(struct file *file) | |
186b250a | 1640 | { |
2c11d1bd PZ |
1641 | struct video_device *vdev = video_devdata(file); |
1642 | struct coda_dev *dev = video_get_drvdata(vdev); | |
186b250a | 1643 | struct coda_ctx *ctx = NULL; |
f61c0b14 | 1644 | char *name; |
918c66fd | 1645 | int ret; |
e11f3e6e | 1646 | int idx; |
186b250a | 1647 | |
f23797b6 | 1648 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
186b250a JM |
1649 | if (!ctx) |
1650 | return -ENOMEM; | |
1651 | ||
f82bc203 | 1652 | idx = coda_next_free_instance(dev); |
0cddc7e9 PZ |
1653 | if (idx < 0) { |
1654 | ret = idx; | |
f82bc203 FE |
1655 | goto err_coda_max; |
1656 | } | |
1657 | set_bit(idx, &dev->instance_mask); | |
1658 | ||
f61c0b14 | 1659 | name = kasprintf(GFP_KERNEL, "context%d", idx); |
a7f933a5 PS |
1660 | if (!name) { |
1661 | ret = -ENOMEM; | |
1662 | goto err_coda_name_init; | |
1663 | } | |
1664 | ||
f61c0b14 PZ |
1665 | ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root); |
1666 | kfree(name); | |
1667 | ||
2c11d1bd PZ |
1668 | ctx->cvd = to_coda_video_device(vdev); |
1669 | ctx->inst_type = ctx->cvd->type; | |
1670 | ctx->ops = ctx->cvd->ops; | |
a22496c6 | 1671 | ctx->use_bit = !ctx->cvd->direct; |
32b6f206 PZ |
1672 | init_completion(&ctx->completion); |
1673 | INIT_WORK(&ctx->pic_run_work, coda_pic_run_work); | |
747d7646 PZ |
1674 | if (ctx->ops->seq_end_work) |
1675 | INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work); | |
186b250a JM |
1676 | v4l2_fh_init(&ctx->fh, video_devdata(file)); |
1677 | file->private_data = &ctx->fh; | |
1678 | v4l2_fh_add(&ctx->fh); | |
1679 | ctx->dev = dev; | |
e11f3e6e | 1680 | ctx->idx = idx; |
5677e3b0 | 1681 | switch (dev->devtype->product) { |
89548441 | 1682 | case CODA_960: |
2bf299cd PZ |
1683 | ctx->frame_mem_ctrl = 1 << 12; |
1684 | /* fallthrough */ | |
1685 | case CODA_7541: | |
5677e3b0 PZ |
1686 | ctx->reg_idx = 0; |
1687 | break; | |
1688 | default: | |
1689 | ctx->reg_idx = idx; | |
1690 | } | |
f82bc203 | 1691 | |
1e172731 PZ |
1692 | /* Power up and upload firmware if necessary */ |
1693 | ret = pm_runtime_get_sync(&dev->plat_dev->dev); | |
1694 | if (ret < 0) { | |
1695 | v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret); | |
1696 | goto err_pm_get; | |
1697 | } | |
1698 | ||
79830db2 FE |
1699 | ret = clk_prepare_enable(dev->clk_per); |
1700 | if (ret) | |
1701 | goto err_clk_per; | |
1702 | ||
1703 | ret = clk_prepare_enable(dev->clk_ahb); | |
1704 | if (ret) | |
1705 | goto err_clk_ahb; | |
1706 | ||
186b250a | 1707 | set_default_params(ctx); |
a1192a17 PZ |
1708 | ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, |
1709 | ctx->ops->queue_init); | |
14604e3a PZ |
1710 | if (IS_ERR(ctx->fh.m2m_ctx)) { |
1711 | ret = PTR_ERR(ctx->fh.m2m_ctx); | |
186b250a JM |
1712 | |
1713 | v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n", | |
1714 | __func__, ret); | |
f82bc203 | 1715 | goto err_ctx_init; |
186b250a | 1716 | } |
152ea1c8 | 1717 | |
186b250a JM |
1718 | ret = coda_ctrls_setup(ctx); |
1719 | if (ret) { | |
1720 | v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n"); | |
f82bc203 | 1721 | goto err_ctrls_setup; |
186b250a JM |
1722 | } |
1723 | ||
1724 | ctx->fh.ctrl_handler = &ctx->ctrls; | |
1725 | ||
9082a7c6 | 1726 | mutex_init(&ctx->bitstream_mutex); |
918c66fd | 1727 | mutex_init(&ctx->buffer_mutex); |
7cbb105f | 1728 | INIT_LIST_HEAD(&ctx->buffer_meta_list); |
9082a7c6 | 1729 | |
186b250a | 1730 | coda_lock(ctx); |
e11f3e6e | 1731 | list_add(&ctx->list, &dev->instances); |
186b250a JM |
1732 | coda_unlock(ctx); |
1733 | ||
186b250a JM |
1734 | v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n", |
1735 | ctx->idx, ctx); | |
1736 | ||
1737 | return 0; | |
1738 | ||
f82bc203 | 1739 | err_ctrls_setup: |
14604e3a | 1740 | v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); |
f82bc203 FE |
1741 | err_ctx_init: |
1742 | clk_disable_unprepare(dev->clk_ahb); | |
79830db2 | 1743 | err_clk_ahb: |
f82bc203 | 1744 | clk_disable_unprepare(dev->clk_per); |
79830db2 | 1745 | err_clk_per: |
1e172731 PZ |
1746 | pm_runtime_put_sync(&dev->plat_dev->dev); |
1747 | err_pm_get: | |
186b250a JM |
1748 | v4l2_fh_del(&ctx->fh); |
1749 | v4l2_fh_exit(&ctx->fh); | |
f82bc203 | 1750 | clear_bit(ctx->idx, &dev->instance_mask); |
a7f933a5 | 1751 | err_coda_name_init: |
f82bc203 | 1752 | err_coda_max: |
186b250a JM |
1753 | kfree(ctx); |
1754 | return ret; | |
1755 | } | |
1756 | ||
1757 | static int coda_release(struct file *file) | |
1758 | { | |
1759 | struct coda_dev *dev = video_drvdata(file); | |
1760 | struct coda_ctx *ctx = fh_to_ctx(file->private_data); | |
1761 | ||
1762 | v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n", | |
1763 | ctx); | |
1764 | ||
a22496c6 | 1765 | if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) |
d4bb75f6 PZ |
1766 | coda_bit_stream_end_flag(ctx); |
1767 | ||
918c66fd | 1768 | /* If this instance is running, call .job_abort and wait for it to end */ |
14604e3a | 1769 | v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); |
918c66fd PZ |
1770 | |
1771 | /* In case the instance was not running, we still need to call SEQ_END */ | |
747d7646 | 1772 | if (ctx->initialized && ctx->ops->seq_end_work) { |
32b6f206 PZ |
1773 | queue_work(dev->workqueue, &ctx->seq_end_work); |
1774 | flush_work(&ctx->seq_end_work); | |
918c66fd | 1775 | } |
918c66fd | 1776 | |
186b250a | 1777 | coda_lock(ctx); |
e11f3e6e | 1778 | list_del(&ctx->list); |
186b250a JM |
1779 | coda_unlock(ctx); |
1780 | ||
5677e3b0 PZ |
1781 | if (ctx->dev->devtype->product == CODA_DX6) |
1782 | coda_free_aux_buf(dev, &ctx->workbuf); | |
1783 | ||
186b250a | 1784 | v4l2_ctrl_handler_free(&ctx->ctrls); |
186b250a | 1785 | clk_disable_unprepare(dev->clk_ahb); |
f82bc203 | 1786 | clk_disable_unprepare(dev->clk_per); |
1e172731 | 1787 | pm_runtime_put_sync(&dev->plat_dev->dev); |
186b250a JM |
1788 | v4l2_fh_del(&ctx->fh); |
1789 | v4l2_fh_exit(&ctx->fh); | |
e11f3e6e | 1790 | clear_bit(ctx->idx, &dev->instance_mask); |
58b7677d PZ |
1791 | if (ctx->ops->release) |
1792 | ctx->ops->release(ctx); | |
e1519e86 | 1793 | debugfs_remove_recursive(ctx->debugfs_entry); |
186b250a JM |
1794 | kfree(ctx); |
1795 | ||
1796 | return 0; | |
1797 | } | |
1798 | ||
2c11d1bd | 1799 | static const struct v4l2_file_operations coda_fops = { |
121cacf4 | 1800 | .owner = THIS_MODULE, |
2c11d1bd | 1801 | .open = coda_open, |
186b250a | 1802 | .release = coda_release, |
152ea1c8 | 1803 | .poll = v4l2_m2m_fop_poll, |
186b250a | 1804 | .unlocked_ioctl = video_ioctl2, |
152ea1c8 | 1805 | .mmap = v4l2_m2m_fop_mmap, |
186b250a JM |
1806 | }; |
1807 | ||
87048bb4 | 1808 | static int coda_hw_init(struct coda_dev *dev) |
186b250a | 1809 | { |
186b250a JM |
1810 | u32 data; |
1811 | u16 *p; | |
79830db2 FE |
1812 | int i, ret; |
1813 | ||
1814 | ret = clk_prepare_enable(dev->clk_per); | |
1815 | if (ret) | |
1e172731 | 1816 | goto err_clk_per; |
186b250a | 1817 | |
79830db2 FE |
1818 | ret = clk_prepare_enable(dev->clk_ahb); |
1819 | if (ret) | |
1820 | goto err_clk_ahb; | |
186b250a | 1821 | |
8f45284c PZ |
1822 | if (dev->rstc) |
1823 | reset_control_reset(dev->rstc); | |
1824 | ||
186b250a JM |
1825 | /* |
1826 | * Copy the first CODA_ISRAM_SIZE in the internal SRAM. | |
87048bb4 PZ |
1827 | * The 16-bit chars in the code buffer are in memory access |
1828 | * order, re-sort them to CODA order for register download. | |
186b250a JM |
1829 | * Data in this SRAM survives a reboot. |
1830 | */ | |
87048bb4 PZ |
1831 | p = (u16 *)dev->codebuf.vaddr; |
1832 | if (dev->devtype->product == CODA_DX6) { | |
1833 | for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) { | |
1834 | data = CODA_DOWN_ADDRESS_SET(i) | | |
1835 | CODA_DOWN_DATA_SET(p[i ^ 1]); | |
1836 | coda_write(dev, data, CODA_REG_BIT_CODE_DOWN); | |
1837 | } | |
1838 | } else { | |
1839 | for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) { | |
1840 | data = CODA_DOWN_ADDRESS_SET(i) | | |
1841 | CODA_DOWN_DATA_SET(p[round_down(i, 4) + | |
1842 | 3 - (i % 4)]); | |
1843 | coda_write(dev, data, CODA_REG_BIT_CODE_DOWN); | |
1844 | } | |
186b250a | 1845 | } |
186b250a | 1846 | |
9acf7693 PZ |
1847 | /* Clear registers */ |
1848 | for (i = 0; i < 64; i++) | |
1849 | coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4); | |
1850 | ||
186b250a | 1851 | /* Tell the BIT where to find everything it needs */ |
89548441 PZ |
1852 | if (dev->devtype->product == CODA_960 || |
1853 | dev->devtype->product == CODA_7541) { | |
5677e3b0 PZ |
1854 | coda_write(dev, dev->tempbuf.paddr, |
1855 | CODA_REG_BIT_TEMP_BUF_ADDR); | |
918c66fd | 1856 | coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM); |
5677e3b0 PZ |
1857 | } else { |
1858 | coda_write(dev, dev->workbuf.paddr, | |
1859 | CODA_REG_BIT_WORK_BUF_ADDR); | |
1860 | } | |
186b250a JM |
1861 | coda_write(dev, dev->codebuf.paddr, |
1862 | CODA_REG_BIT_CODE_BUF_ADDR); | |
1863 | coda_write(dev, 0, CODA_REG_BIT_CODE_RUN); | |
1864 | ||
1865 | /* Set default values */ | |
1866 | switch (dev->devtype->product) { | |
1867 | case CODA_DX6: | |
f23797b6 PZ |
1868 | coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH, |
1869 | CODA_REG_BIT_STREAM_CTRL); | |
186b250a JM |
1870 | break; |
1871 | default: | |
f23797b6 PZ |
1872 | coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH, |
1873 | CODA_REG_BIT_STREAM_CTRL); | |
186b250a | 1874 | } |
89548441 PZ |
1875 | if (dev->devtype->product == CODA_960) |
1876 | coda_write(dev, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL); | |
1877 | else | |
1878 | coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL); | |
1043667b PZ |
1879 | |
1880 | if (dev->devtype->product != CODA_DX6) | |
1881 | coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE); | |
1882 | ||
186b250a JM |
1883 | coda_write(dev, CODA_INT_INTERRUPT_ENABLE, |
1884 | CODA_REG_BIT_INT_ENABLE); | |
1885 | ||
1886 | /* Reset VPU and start processor */ | |
1887 | data = coda_read(dev, CODA_REG_BIT_CODE_RESET); | |
1888 | data |= CODA_REG_RESET_ENABLE; | |
1889 | coda_write(dev, data, CODA_REG_BIT_CODE_RESET); | |
1890 | udelay(10); | |
1891 | data &= ~CODA_REG_RESET_ENABLE; | |
1892 | coda_write(dev, data, CODA_REG_BIT_CODE_RESET); | |
1893 | coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN); | |
1894 | ||
fe7554e6 PZ |
1895 | clk_disable_unprepare(dev->clk_ahb); |
1896 | clk_disable_unprepare(dev->clk_per); | |
1897 | ||
1898 | return 0; | |
1899 | ||
1900 | err_clk_ahb: | |
1901 | clk_disable_unprepare(dev->clk_per); | |
1902 | err_clk_per: | |
1903 | return ret; | |
1904 | } | |
1905 | ||
2c11d1bd | 1906 | static int coda_register_device(struct coda_dev *dev, int i) |
121cacf4 | 1907 | { |
2c11d1bd PZ |
1908 | struct video_device *vfd = &dev->vfd[i]; |
1909 | ||
88ca3af4 | 1910 | if (i >= dev->devtype->num_vdevs) |
2c11d1bd PZ |
1911 | return -EINVAL; |
1912 | ||
bf249daf | 1913 | strlcpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name)); |
2c11d1bd PZ |
1914 | vfd->fops = &coda_fops; |
1915 | vfd->ioctl_ops = &coda_ioctl_ops; | |
121cacf4 PZ |
1916 | vfd->release = video_device_release_empty, |
1917 | vfd->lock = &dev->dev_mutex; | |
1918 | vfd->v4l2_dev = &dev->v4l2_dev; | |
1919 | vfd->vfl_dir = VFL_DIR_M2M; | |
1920 | video_set_drvdata(vfd, dev); | |
1921 | ||
a188a668 PZ |
1922 | /* Not applicable, use the selection API instead */ |
1923 | v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP); | |
1924 | v4l2_disable_ioctl(vfd, VIDIOC_G_CROP); | |
1925 | v4l2_disable_ioctl(vfd, VIDIOC_S_CROP); | |
1926 | ||
121cacf4 PZ |
1927 | return video_register_device(vfd, VFL_TYPE_GRABBER, 0); |
1928 | } | |
1929 | ||
186b250a JM |
1930 | static void coda_fw_callback(const struct firmware *fw, void *context) |
1931 | { | |
1932 | struct coda_dev *dev = context; | |
1933 | struct platform_device *pdev = dev->plat_dev; | |
2c11d1bd | 1934 | int i, ret; |
186b250a JM |
1935 | |
1936 | if (!fw) { | |
1937 | v4l2_err(&dev->v4l2_dev, "firmware request failed\n"); | |
c5d28e29 | 1938 | goto put_pm; |
186b250a JM |
1939 | } |
1940 | ||
1941 | /* allocate auxiliary per-device code buffer for the BIT processor */ | |
f61c0b14 PZ |
1942 | ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf", |
1943 | dev->debugfs_root); | |
6ba53b81 | 1944 | if (ret < 0) |
c5d28e29 | 1945 | goto put_pm; |
186b250a | 1946 | |
87048bb4 PZ |
1947 | /* Copy the whole firmware image to the code buffer */ |
1948 | memcpy(dev->codebuf.vaddr, fw->data, fw->size); | |
1949 | release_firmware(fw); | |
1950 | ||
c5d28e29 UH |
1951 | ret = coda_hw_init(dev); |
1952 | if (ret < 0) { | |
1953 | v4l2_err(&dev->v4l2_dev, "HW initialization failed\n"); | |
1954 | goto put_pm; | |
186b250a JM |
1955 | } |
1956 | ||
c5d28e29 UH |
1957 | ret = coda_check_firmware(dev); |
1958 | if (ret < 0) | |
1959 | goto put_pm; | |
1960 | ||
186b250a JM |
1961 | dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); |
1962 | if (IS_ERR(dev->alloc_ctx)) { | |
1963 | v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n"); | |
c5d28e29 | 1964 | goto put_pm; |
186b250a JM |
1965 | } |
1966 | ||
1967 | dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops); | |
1968 | if (IS_ERR(dev->m2m_dev)) { | |
1969 | v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n"); | |
1970 | goto rel_ctx; | |
1971 | } | |
1972 | ||
2c11d1bd PZ |
1973 | for (i = 0; i < dev->devtype->num_vdevs; i++) { |
1974 | ret = coda_register_device(dev, i); | |
1975 | if (ret) { | |
1976 | v4l2_err(&dev->v4l2_dev, | |
1977 | "Failed to register %s video device: %d\n", | |
1978 | dev->devtype->vdevs[i]->name, ret); | |
1979 | goto rel_vfd; | |
1980 | } | |
121cacf4 PZ |
1981 | } |
1982 | ||
1983 | v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video[%d-%d]\n", | |
2c11d1bd | 1984 | dev->vfd[0].num, dev->vfd[i - 1].num); |
186b250a | 1985 | |
c5d28e29 | 1986 | pm_runtime_put_sync(&pdev->dev); |
186b250a JM |
1987 | return; |
1988 | ||
2c11d1bd PZ |
1989 | rel_vfd: |
1990 | while (--i >= 0) | |
1991 | video_unregister_device(&dev->vfd[i]); | |
186b250a JM |
1992 | v4l2_m2m_release(dev->m2m_dev); |
1993 | rel_ctx: | |
1994 | vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); | |
c5d28e29 UH |
1995 | put_pm: |
1996 | pm_runtime_put_sync(&pdev->dev); | |
186b250a JM |
1997 | } |
1998 | ||
1999 | static int coda_firmware_request(struct coda_dev *dev) | |
2000 | { | |
2001 | char *fw = dev->devtype->firmware; | |
2002 | ||
2003 | dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw, | |
2004 | coda_product_name(dev->devtype->product)); | |
2005 | ||
2006 | return request_firmware_nowait(THIS_MODULE, true, | |
2007 | fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback); | |
2008 | } | |
2009 | ||
2010 | enum coda_platform { | |
2011 | CODA_IMX27, | |
df1e74cc | 2012 | CODA_IMX53, |
89548441 PZ |
2013 | CODA_IMX6Q, |
2014 | CODA_IMX6DL, | |
186b250a JM |
2015 | }; |
2016 | ||
c06d8752 | 2017 | static const struct coda_devtype coda_devdata[] = { |
186b250a | 2018 | [CODA_IMX27] = { |
e5b0d1c6 PZ |
2019 | .firmware = "v4l-codadx6-imx27.bin", |
2020 | .product = CODA_DX6, | |
2021 | .codecs = codadx6_codecs, | |
2022 | .num_codecs = ARRAY_SIZE(codadx6_codecs), | |
2c11d1bd PZ |
2023 | .vdevs = codadx6_video_devices, |
2024 | .num_vdevs = ARRAY_SIZE(codadx6_video_devices), | |
e5b0d1c6 | 2025 | .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024, |
401e972f | 2026 | .iram_size = 0xb000, |
186b250a | 2027 | }, |
df1e74cc | 2028 | [CODA_IMX53] = { |
e5b0d1c6 PZ |
2029 | .firmware = "v4l-coda7541-imx53.bin", |
2030 | .product = CODA_7541, | |
2031 | .codecs = coda7_codecs, | |
2032 | .num_codecs = ARRAY_SIZE(coda7_codecs), | |
2c11d1bd PZ |
2033 | .vdevs = coda7_video_devices, |
2034 | .num_vdevs = ARRAY_SIZE(coda7_video_devices), | |
e5b0d1c6 | 2035 | .workbuf_size = 128 * 1024, |
5d73fad1 | 2036 | .tempbuf_size = 304 * 1024, |
401e972f | 2037 | .iram_size = 0x14000, |
df1e74cc | 2038 | }, |
89548441 | 2039 | [CODA_IMX6Q] = { |
e5b0d1c6 PZ |
2040 | .firmware = "v4l-coda960-imx6q.bin", |
2041 | .product = CODA_960, | |
2042 | .codecs = coda9_codecs, | |
2043 | .num_codecs = ARRAY_SIZE(coda9_codecs), | |
2c11d1bd PZ |
2044 | .vdevs = coda9_video_devices, |
2045 | .num_vdevs = ARRAY_SIZE(coda9_video_devices), | |
e5b0d1c6 | 2046 | .workbuf_size = 80 * 1024, |
5d73fad1 | 2047 | .tempbuf_size = 204 * 1024, |
401e972f | 2048 | .iram_size = 0x21000, |
89548441 PZ |
2049 | }, |
2050 | [CODA_IMX6DL] = { | |
e5b0d1c6 PZ |
2051 | .firmware = "v4l-coda960-imx6dl.bin", |
2052 | .product = CODA_960, | |
2053 | .codecs = coda9_codecs, | |
2054 | .num_codecs = ARRAY_SIZE(coda9_codecs), | |
2c11d1bd PZ |
2055 | .vdevs = coda9_video_devices, |
2056 | .num_vdevs = ARRAY_SIZE(coda9_video_devices), | |
e5b0d1c6 | 2057 | .workbuf_size = 80 * 1024, |
5d73fad1 | 2058 | .tempbuf_size = 204 * 1024, |
401e972f | 2059 | .iram_size = 0x20000, |
89548441 | 2060 | }, |
186b250a JM |
2061 | }; |
2062 | ||
2063 | static struct platform_device_id coda_platform_ids[] = { | |
2064 | { .name = "coda-imx27", .driver_data = CODA_IMX27 }, | |
2065 | { /* sentinel */ } | |
2066 | }; | |
2067 | MODULE_DEVICE_TABLE(platform, coda_platform_ids); | |
2068 | ||
2069 | #ifdef CONFIG_OF | |
2070 | static const struct of_device_id coda_dt_ids[] = { | |
7b0dd9e6 | 2071 | { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] }, |
df1e74cc | 2072 | { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] }, |
89548441 PZ |
2073 | { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] }, |
2074 | { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] }, | |
186b250a JM |
2075 | { /* sentinel */ } |
2076 | }; | |
2077 | MODULE_DEVICE_TABLE(of, coda_dt_ids); | |
2078 | #endif | |
2079 | ||
4c62e976 | 2080 | static int coda_probe(struct platform_device *pdev) |
186b250a JM |
2081 | { |
2082 | const struct of_device_id *of_id = | |
2083 | of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev); | |
2084 | const struct platform_device_id *pdev_id; | |
657eee7d PZ |
2085 | struct coda_platform_data *pdata = pdev->dev.platform_data; |
2086 | struct device_node *np = pdev->dev.of_node; | |
2087 | struct gen_pool *pool; | |
186b250a JM |
2088 | struct coda_dev *dev; |
2089 | struct resource *res; | |
2090 | int ret, irq; | |
2091 | ||
f23797b6 | 2092 | dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); |
6da999d9 | 2093 | if (!dev) |
186b250a | 2094 | return -ENOMEM; |
186b250a | 2095 | |
b2f91ae3 PZ |
2096 | pdev_id = of_id ? of_id->data : platform_get_device_id(pdev); |
2097 | ||
b7bd660a | 2098 | if (of_id) { |
b2f91ae3 | 2099 | dev->devtype = of_id->data; |
b7bd660a | 2100 | } else if (pdev_id) { |
b2f91ae3 | 2101 | dev->devtype = &coda_devdata[pdev_id->driver_data]; |
b7bd660a FE |
2102 | } else { |
2103 | ret = -EINVAL; | |
2104 | goto err_v4l2_register; | |
186b250a JM |
2105 | } |
2106 | ||
2107 | spin_lock_init(&dev->irqlock); | |
e11f3e6e | 2108 | INIT_LIST_HEAD(&dev->instances); |
186b250a JM |
2109 | |
2110 | dev->plat_dev = pdev; | |
2111 | dev->clk_per = devm_clk_get(&pdev->dev, "per"); | |
2112 | if (IS_ERR(dev->clk_per)) { | |
2113 | dev_err(&pdev->dev, "Could not get per clock\n"); | |
2114 | return PTR_ERR(dev->clk_per); | |
2115 | } | |
2116 | ||
2117 | dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); | |
2118 | if (IS_ERR(dev->clk_ahb)) { | |
2119 | dev_err(&pdev->dev, "Could not get ahb clock\n"); | |
2120 | return PTR_ERR(dev->clk_ahb); | |
2121 | } | |
2122 | ||
2123 | /* Get memory for physical registers */ | |
2124 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
611cbbfe PZ |
2125 | dev->regs_base = devm_ioremap_resource(&pdev->dev, res); |
2126 | if (IS_ERR(dev->regs_base)) | |
2127 | return PTR_ERR(dev->regs_base); | |
186b250a JM |
2128 | |
2129 | /* IRQ */ | |
540b72e4 PZ |
2130 | irq = platform_get_irq_byname(pdev, "bit"); |
2131 | if (irq < 0) | |
2132 | irq = platform_get_irq(pdev, 0); | |
186b250a JM |
2133 | if (irq < 0) { |
2134 | dev_err(&pdev->dev, "failed to get irq resource\n"); | |
7d37743a | 2135 | return irq; |
186b250a JM |
2136 | } |
2137 | ||
08c8d14e FE |
2138 | ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler, |
2139 | IRQF_ONESHOT, dev_name(&pdev->dev), dev); | |
2140 | if (ret < 0) { | |
2141 | dev_err(&pdev->dev, "failed to request irq: %d\n", ret); | |
2142 | return ret; | |
186b250a JM |
2143 | } |
2144 | ||
ee27aa90 | 2145 | dev->rstc = devm_reset_control_get_optional(&pdev->dev, NULL); |
8f45284c PZ |
2146 | if (IS_ERR(dev->rstc)) { |
2147 | ret = PTR_ERR(dev->rstc); | |
ee27aa90 | 2148 | if (ret == -ENOENT || ret == -ENOSYS) { |
8f45284c PZ |
2149 | dev->rstc = NULL; |
2150 | } else { | |
f23797b6 PZ |
2151 | dev_err(&pdev->dev, "failed get reset control: %d\n", |
2152 | ret); | |
8f45284c PZ |
2153 | return ret; |
2154 | } | |
2155 | } | |
2156 | ||
657eee7d | 2157 | /* Get IRAM pool from device tree or platform data */ |
abdd4a70 | 2158 | pool = of_gen_pool_get(np, "iram", 0); |
657eee7d | 2159 | if (!pool && pdata) |
0030edf2 | 2160 | pool = gen_pool_get(pdata->iram_dev); |
657eee7d PZ |
2161 | if (!pool) { |
2162 | dev_err(&pdev->dev, "iram pool not available\n"); | |
2163 | return -ENOMEM; | |
2164 | } | |
2165 | dev->iram_pool = pool; | |
2166 | ||
186b250a JM |
2167 | ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); |
2168 | if (ret) | |
2169 | return ret; | |
2170 | ||
2171 | mutex_init(&dev->dev_mutex); | |
fcb62825 | 2172 | mutex_init(&dev->coda_mutex); |
186b250a | 2173 | |
f61c0b14 PZ |
2174 | dev->debugfs_root = debugfs_create_dir("coda", NULL); |
2175 | if (!dev->debugfs_root) | |
2176 | dev_warn(&pdev->dev, "failed to create debugfs root\n"); | |
2177 | ||
186b250a | 2178 | /* allocate auxiliary per-device buffers for the BIT processor */ |
5d73fad1 | 2179 | if (dev->devtype->product == CODA_DX6) { |
5677e3b0 | 2180 | ret = coda_alloc_aux_buf(dev, &dev->workbuf, |
e5b0d1c6 | 2181 | dev->devtype->workbuf_size, "workbuf", |
f61c0b14 | 2182 | dev->debugfs_root); |
6ba53b81 | 2183 | if (ret < 0) |
b7bd660a | 2184 | goto err_v4l2_register; |
186b250a | 2185 | } |
5d73fad1 PZ |
2186 | |
2187 | if (dev->devtype->tempbuf_size) { | |
5677e3b0 | 2188 | ret = coda_alloc_aux_buf(dev, &dev->tempbuf, |
5d73fad1 | 2189 | dev->devtype->tempbuf_size, "tempbuf", |
f61c0b14 | 2190 | dev->debugfs_root); |
6ba53b81 | 2191 | if (ret < 0) |
b7bd660a | 2192 | goto err_v4l2_register; |
186b250a JM |
2193 | } |
2194 | ||
401e972f | 2195 | dev->iram.size = dev->devtype->iram_size; |
b313bcc9 PZ |
2196 | dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size, |
2197 | &dev->iram.paddr); | |
2198 | if (!dev->iram.vaddr) { | |
8be31c89 PZ |
2199 | dev_warn(&pdev->dev, "unable to alloc iram\n"); |
2200 | } else { | |
811a6934 | 2201 | memset(dev->iram.vaddr, 0, dev->iram.size); |
8be31c89 PZ |
2202 | dev->iram.blob.data = dev->iram.vaddr; |
2203 | dev->iram.blob.size = dev->iram.size; | |
2204 | dev->iram.dentry = debugfs_create_blob("iram", 0644, | |
2205 | dev->debugfs_root, | |
2206 | &dev->iram.blob); | |
1043667b PZ |
2207 | } |
2208 | ||
32b6f206 PZ |
2209 | dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1); |
2210 | if (!dev->workqueue) { | |
2211 | dev_err(&pdev->dev, "unable to alloc workqueue\n"); | |
74d08d55 FE |
2212 | ret = -ENOMEM; |
2213 | goto err_v4l2_register; | |
32b6f206 PZ |
2214 | } |
2215 | ||
186b250a JM |
2216 | platform_set_drvdata(pdev, dev); |
2217 | ||
c5d28e29 UH |
2218 | /* |
2219 | * Start activated so we can directly call coda_hw_init in | |
e243c7c1 | 2220 | * coda_fw_callback regardless of whether CONFIG_PM is |
c5d28e29 UH |
2221 | * enabled or whether the device is associated with a PM domain. |
2222 | */ | |
2223 | pm_runtime_get_noresume(&pdev->dev); | |
2224 | pm_runtime_set_active(&pdev->dev); | |
1e172731 PZ |
2225 | pm_runtime_enable(&pdev->dev); |
2226 | ||
186b250a | 2227 | return coda_firmware_request(dev); |
b7bd660a FE |
2228 | |
2229 | err_v4l2_register: | |
2230 | v4l2_device_unregister(&dev->v4l2_dev); | |
2231 | return ret; | |
186b250a JM |
2232 | } |
2233 | ||
2234 | static int coda_remove(struct platform_device *pdev) | |
2235 | { | |
2236 | struct coda_dev *dev = platform_get_drvdata(pdev); | |
2c11d1bd | 2237 | int i; |
186b250a | 2238 | |
2c11d1bd PZ |
2239 | for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) { |
2240 | if (video_get_drvdata(&dev->vfd[i])) | |
2241 | video_unregister_device(&dev->vfd[i]); | |
2242 | } | |
186b250a JM |
2243 | if (dev->m2m_dev) |
2244 | v4l2_m2m_release(dev->m2m_dev); | |
1e172731 | 2245 | pm_runtime_disable(&pdev->dev); |
186b250a JM |
2246 | if (dev->alloc_ctx) |
2247 | vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); | |
2248 | v4l2_device_unregister(&dev->v4l2_dev); | |
32b6f206 | 2249 | destroy_workqueue(dev->workqueue); |
b313bcc9 PZ |
2250 | if (dev->iram.vaddr) |
2251 | gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr, | |
2252 | dev->iram.size); | |
5677e3b0 PZ |
2253 | coda_free_aux_buf(dev, &dev->codebuf); |
2254 | coda_free_aux_buf(dev, &dev->tempbuf); | |
2255 | coda_free_aux_buf(dev, &dev->workbuf); | |
f61c0b14 | 2256 | debugfs_remove_recursive(dev->debugfs_root); |
186b250a JM |
2257 | return 0; |
2258 | } | |
2259 | ||
e243c7c1 | 2260 | #ifdef CONFIG_PM |
1e172731 PZ |
2261 | static int coda_runtime_resume(struct device *dev) |
2262 | { | |
2263 | struct coda_dev *cdev = dev_get_drvdata(dev); | |
2264 | int ret = 0; | |
2265 | ||
65919e6b | 2266 | if (dev->pm_domain && cdev->codebuf.vaddr) { |
1e172731 PZ |
2267 | ret = coda_hw_init(cdev); |
2268 | if (ret) | |
2269 | v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n"); | |
2270 | } | |
2271 | ||
2272 | return ret; | |
2273 | } | |
2274 | #endif | |
2275 | ||
2276 | static const struct dev_pm_ops coda_pm_ops = { | |
2277 | SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL) | |
2278 | }; | |
2279 | ||
186b250a JM |
2280 | static struct platform_driver coda_driver = { |
2281 | .probe = coda_probe, | |
4c62e976 | 2282 | .remove = coda_remove, |
186b250a JM |
2283 | .driver = { |
2284 | .name = CODA_NAME, | |
186b250a | 2285 | .of_match_table = of_match_ptr(coda_dt_ids), |
1e172731 | 2286 | .pm = &coda_pm_ops, |
186b250a JM |
2287 | }, |
2288 | .id_table = coda_platform_ids, | |
2289 | }; | |
2290 | ||
2291 | module_platform_driver(coda_driver); | |
2292 | ||
2293 | MODULE_LICENSE("GPL"); | |
2294 | MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>"); | |
2295 | MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver"); |