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> | |
cde29ef3 | 18 | #include <linux/gcd.h> |
657eee7d | 19 | #include <linux/genalloc.h> |
186b250a JM |
20 | #include <linux/interrupt.h> |
21 | #include <linux/io.h> | |
22 | #include <linux/irq.h> | |
9082a7c6 | 23 | #include <linux/kfifo.h> |
186b250a JM |
24 | #include <linux/module.h> |
25 | #include <linux/of_device.h> | |
26 | #include <linux/platform_device.h> | |
1e172731 | 27 | #include <linux/pm_runtime.h> |
186b250a JM |
28 | #include <linux/slab.h> |
29 | #include <linux/videodev2.h> | |
30 | #include <linux/of.h> | |
a71daaa1 | 31 | #include <linux/platform_data/media/coda.h> |
8f45284c | 32 | #include <linux/reset.h> |
186b250a JM |
33 | |
34 | #include <media/v4l2-ctrls.h> | |
35 | #include <media/v4l2-device.h> | |
918c66fd | 36 | #include <media/v4l2-event.h> |
186b250a JM |
37 | #include <media/v4l2-ioctl.h> |
38 | #include <media/v4l2-mem2mem.h> | |
c139990e | 39 | #include <media/videobuf2-v4l2.h> |
186b250a | 40 | #include <media/videobuf2-dma-contig.h> |
bb04aa6f | 41 | #include <media/videobuf2-vmalloc.h> |
186b250a | 42 | |
a2b3e46a | 43 | #include "coda.h" |
186b250a JM |
44 | |
45 | #define CODA_NAME "coda" | |
46 | ||
0cddc7e9 | 47 | #define CODADX6_MAX_INSTANCES 4 |
2c11d1bd | 48 | #define CODA_MAX_FORMATS 4 |
186b250a | 49 | |
186b250a JM |
50 | #define CODA_ISRAM_SIZE (2048 * 2) |
51 | ||
186b250a JM |
52 | #define MIN_W 176 |
53 | #define MIN_H 144 | |
186b250a JM |
54 | |
55 | #define S_ALIGN 1 /* multiple of 2 */ | |
56 | #define W_ALIGN 1 /* multiple of 2 */ | |
57 | #define H_ALIGN 1 /* multiple of 2 */ | |
58 | ||
59 | #define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh) | |
60 | ||
79924ca9 | 61 | int coda_debug; |
c4eb1bfc | 62 | module_param(coda_debug, int, 0644); |
d60b18ba | 63 | MODULE_PARM_DESC(coda_debug, "Debug level (0-2)"); |
186b250a | 64 | |
a269e53b PZ |
65 | static int disable_tiling; |
66 | module_param(disable_tiling, int, 0644); | |
67 | MODULE_PARM_DESC(disable_tiling, "Disable tiled frame buffers"); | |
b96904e5 | 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 | 86 | void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data, |
2d700715 | 87 | struct vb2_v4l2_buffer *buf, unsigned int reg_y) |
856d7d93 | 88 | { |
2d700715 | 89 | u32 base_y = vb2_dma_contig_plane_dma_addr(&buf->vb2_buf, 0); |
856d7d93 PZ |
90 | u32 base_cb, base_cr; |
91 | ||
92 | switch (q_data->fourcc) { | |
1cb12cf3 | 93 | case V4L2_PIX_FMT_NV12: |
6727d4fc | 94 | case V4L2_PIX_FMT_YUV420: |
856d7d93 PZ |
95 | default: |
96 | base_cb = base_y + q_data->bytesperline * q_data->height; | |
97 | base_cr = base_cb + q_data->bytesperline * q_data->height / 4; | |
98 | break; | |
6727d4fc PZ |
99 | case V4L2_PIX_FMT_YVU420: |
100 | /* Switch Cb and Cr for YVU420 format */ | |
101 | base_cr = base_y + q_data->bytesperline * q_data->height; | |
102 | base_cb = base_cr + 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 | ||
b96904e5 PZ |
114 | #define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \ |
115 | { mode, src_fourcc, dst_fourcc, max_w, max_h } | |
116 | ||
117 | /* | |
118 | * Arrays of codecs supported by each given version of Coda: | |
119 | * i.MX27 -> codadx6 | |
120 | * i.MX5x -> coda7 | |
121 | * i.MX6 -> coda960 | |
122 | * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants | |
123 | */ | |
814c3762 | 124 | static const struct coda_codec codadx6_codecs[] = { |
b96904e5 PZ |
125 | CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576), |
126 | CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576), | |
127 | }; | |
128 | ||
814c3762 | 129 | static const struct coda_codec coda7_codecs[] = { |
b96904e5 PZ |
130 | CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720), |
131 | CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720), | |
cb1d3a33 | 132 | CODA_CODEC(CODA7_MODE_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192), |
b0ed05b9 | 133 | CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088), |
95847f40 | 134 | CODA_CODEC(CODA7_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088), |
b0ed05b9 | 135 | CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088), |
cb1d3a33 | 136 | CODA_CODEC(CODA7_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192), |
b96904e5 PZ |
137 | }; |
138 | ||
814c3762 | 139 | static const struct coda_codec coda9_codecs[] = { |
b0ed05b9 PZ |
140 | CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1088), |
141 | CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1088), | |
142 | CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088), | |
95847f40 | 143 | CODA_CODEC(CODA9_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088), |
b0ed05b9 | 144 | CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088), |
89548441 PZ |
145 | }; |
146 | ||
2c11d1bd PZ |
147 | struct coda_video_device { |
148 | const char *name; | |
149 | enum coda_inst_type type; | |
150 | const struct coda_context_ops *ops; | |
a22496c6 | 151 | bool direct; |
2c11d1bd PZ |
152 | u32 src_formats[CODA_MAX_FORMATS]; |
153 | u32 dst_formats[CODA_MAX_FORMATS]; | |
154 | }; | |
155 | ||
156 | static const struct coda_video_device coda_bit_encoder = { | |
157 | .name = "coda-encoder", | |
158 | .type = CODA_INST_ENCODER, | |
159 | .ops = &coda_bit_encode_ops, | |
160 | .src_formats = { | |
6727d4fc | 161 | V4L2_PIX_FMT_NV12, |
2c11d1bd PZ |
162 | V4L2_PIX_FMT_YUV420, |
163 | V4L2_PIX_FMT_YVU420, | |
2c11d1bd PZ |
164 | }, |
165 | .dst_formats = { | |
166 | V4L2_PIX_FMT_H264, | |
167 | V4L2_PIX_FMT_MPEG4, | |
168 | }, | |
169 | }; | |
170 | ||
cb1d3a33 PZ |
171 | static const struct coda_video_device coda_bit_jpeg_encoder = { |
172 | .name = "coda-jpeg-encoder", | |
173 | .type = CODA_INST_ENCODER, | |
174 | .ops = &coda_bit_encode_ops, | |
175 | .src_formats = { | |
6727d4fc | 176 | V4L2_PIX_FMT_NV12, |
cb1d3a33 PZ |
177 | V4L2_PIX_FMT_YUV420, |
178 | V4L2_PIX_FMT_YVU420, | |
cb1d3a33 PZ |
179 | V4L2_PIX_FMT_YUV422P, |
180 | }, | |
181 | .dst_formats = { | |
182 | V4L2_PIX_FMT_JPEG, | |
183 | }, | |
184 | }; | |
185 | ||
2c11d1bd PZ |
186 | static const struct coda_video_device coda_bit_decoder = { |
187 | .name = "coda-decoder", | |
188 | .type = CODA_INST_DECODER, | |
189 | .ops = &coda_bit_decode_ops, | |
190 | .src_formats = { | |
191 | V4L2_PIX_FMT_H264, | |
95847f40 | 192 | V4L2_PIX_FMT_MPEG2, |
2c11d1bd PZ |
193 | V4L2_PIX_FMT_MPEG4, |
194 | }, | |
195 | .dst_formats = { | |
6727d4fc | 196 | V4L2_PIX_FMT_NV12, |
2c11d1bd PZ |
197 | V4L2_PIX_FMT_YUV420, |
198 | V4L2_PIX_FMT_YVU420, | |
2c11d1bd PZ |
199 | }, |
200 | }; | |
201 | ||
cb1d3a33 PZ |
202 | static const struct coda_video_device coda_bit_jpeg_decoder = { |
203 | .name = "coda-jpeg-decoder", | |
204 | .type = CODA_INST_DECODER, | |
205 | .ops = &coda_bit_decode_ops, | |
206 | .src_formats = { | |
207 | V4L2_PIX_FMT_JPEG, | |
208 | }, | |
209 | .dst_formats = { | |
6727d4fc | 210 | V4L2_PIX_FMT_NV12, |
cb1d3a33 PZ |
211 | V4L2_PIX_FMT_YUV420, |
212 | V4L2_PIX_FMT_YVU420, | |
cb1d3a33 PZ |
213 | V4L2_PIX_FMT_YUV422P, |
214 | }, | |
215 | }; | |
216 | ||
2c11d1bd PZ |
217 | static const struct coda_video_device *codadx6_video_devices[] = { |
218 | &coda_bit_encoder, | |
219 | }; | |
220 | ||
221 | static const struct coda_video_device *coda7_video_devices[] = { | |
cb1d3a33 PZ |
222 | &coda_bit_jpeg_encoder, |
223 | &coda_bit_jpeg_decoder, | |
2c11d1bd PZ |
224 | &coda_bit_encoder, |
225 | &coda_bit_decoder, | |
226 | }; | |
227 | ||
228 | static const struct coda_video_device *coda9_video_devices[] = { | |
229 | &coda_bit_encoder, | |
230 | &coda_bit_decoder, | |
231 | }; | |
232 | ||
8076c7e3 PZ |
233 | /* |
234 | * Normalize all supported YUV 4:2:0 formats to the value used in the codec | |
235 | * tables. | |
236 | */ | |
237 | static u32 coda_format_normalize_yuv(u32 fourcc) | |
b96904e5 PZ |
238 | { |
239 | switch (fourcc) { | |
6727d4fc | 240 | case V4L2_PIX_FMT_NV12: |
b96904e5 PZ |
241 | case V4L2_PIX_FMT_YUV420: |
242 | case V4L2_PIX_FMT_YVU420: | |
4de69319 | 243 | case V4L2_PIX_FMT_YUV422P: |
8076c7e3 | 244 | return V4L2_PIX_FMT_YUV420; |
b96904e5 | 245 | default: |
8076c7e3 | 246 | return fourcc; |
2c11d1bd | 247 | } |
b96904e5 PZ |
248 | } |
249 | ||
814c3762 PZ |
250 | static const struct coda_codec *coda_find_codec(struct coda_dev *dev, |
251 | int src_fourcc, int dst_fourcc) | |
186b250a | 252 | { |
814c3762 | 253 | const struct coda_codec *codecs = dev->devtype->codecs; |
b96904e5 PZ |
254 | int num_codecs = dev->devtype->num_codecs; |
255 | int k; | |
256 | ||
257 | src_fourcc = coda_format_normalize_yuv(src_fourcc); | |
258 | dst_fourcc = coda_format_normalize_yuv(dst_fourcc); | |
259 | if (src_fourcc == dst_fourcc) | |
260 | return NULL; | |
186b250a | 261 | |
b96904e5 PZ |
262 | for (k = 0; k < num_codecs; k++) { |
263 | if (codecs[k].src_fourcc == src_fourcc && | |
264 | codecs[k].dst_fourcc == dst_fourcc) | |
186b250a JM |
265 | break; |
266 | } | |
267 | ||
b96904e5 | 268 | if (k == num_codecs) |
186b250a JM |
269 | return NULL; |
270 | ||
b96904e5 | 271 | return &codecs[k]; |
186b250a JM |
272 | } |
273 | ||
57625593 | 274 | static void coda_get_max_dimensions(struct coda_dev *dev, |
814c3762 | 275 | const struct coda_codec *codec, |
57625593 PZ |
276 | int *max_w, int *max_h) |
277 | { | |
814c3762 | 278 | const struct coda_codec *codecs = dev->devtype->codecs; |
57625593 PZ |
279 | int num_codecs = dev->devtype->num_codecs; |
280 | unsigned int w, h; | |
281 | int k; | |
282 | ||
283 | if (codec) { | |
284 | w = codec->max_w; | |
285 | h = codec->max_h; | |
286 | } else { | |
287 | for (k = 0, w = 0, h = 0; k < num_codecs; k++) { | |
288 | w = max(w, codecs[k].max_w); | |
289 | h = max(h, codecs[k].max_h); | |
290 | } | |
291 | } | |
292 | ||
293 | if (max_w) | |
294 | *max_w = w; | |
295 | if (max_h) | |
296 | *max_h = h; | |
297 | } | |
298 | ||
5542570e PZ |
299 | static const struct coda_video_device *to_coda_video_device(struct video_device |
300 | *vdev) | |
2c11d1bd PZ |
301 | { |
302 | struct coda_dev *dev = video_get_drvdata(vdev); | |
303 | unsigned int i = vdev - dev->vfd; | |
304 | ||
305 | if (i >= dev->devtype->num_vdevs) | |
306 | return NULL; | |
307 | ||
308 | return dev->devtype->vdevs[i]; | |
309 | } | |
310 | ||
79924ca9 | 311 | const char *coda_product_name(int product) |
927933f7 PZ |
312 | { |
313 | static char buf[9]; | |
314 | ||
315 | switch (product) { | |
316 | case CODA_DX6: | |
317 | return "CodaDx6"; | |
318 | case CODA_7541: | |
319 | return "CODA7541"; | |
89548441 PZ |
320 | case CODA_960: |
321 | return "CODA960"; | |
927933f7 PZ |
322 | default: |
323 | snprintf(buf, sizeof(buf), "(0x%04x)", product); | |
324 | return buf; | |
325 | } | |
326 | } | |
327 | ||
186b250a JM |
328 | /* |
329 | * V4L2 ioctl() operations. | |
330 | */ | |
2e9e4f11 PZ |
331 | static int coda_querycap(struct file *file, void *priv, |
332 | struct v4l2_capability *cap) | |
186b250a | 333 | { |
927933f7 PZ |
334 | struct coda_ctx *ctx = fh_to_ctx(priv); |
335 | ||
186b250a | 336 | strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver)); |
927933f7 PZ |
337 | strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product), |
338 | sizeof(cap->card)); | |
dad0e1ce | 339 | strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info)); |
3898e7a7 | 340 | cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING; |
186b250a JM |
341 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
342 | ||
343 | return 0; | |
344 | } | |
345 | ||
22e244b8 PZ |
346 | static int coda_enum_fmt(struct file *file, void *priv, |
347 | struct v4l2_fmtdesc *f) | |
186b250a | 348 | { |
2c11d1bd PZ |
349 | struct video_device *vdev = video_devdata(file); |
350 | const struct coda_video_device *cvd = to_coda_video_device(vdev); | |
351 | const u32 *formats; | |
2c11d1bd PZ |
352 | |
353 | if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
354 | formats = cvd->src_formats; | |
355 | else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
356 | formats = cvd->dst_formats; | |
22e244b8 | 357 | else |
2c11d1bd | 358 | return -EINVAL; |
186b250a | 359 | |
2c11d1bd PZ |
360 | if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0) |
361 | return -EINVAL; | |
362 | ||
2c11d1bd | 363 | f->pixelformat = formats[f->index]; |
186b250a | 364 | |
2c11d1bd | 365 | return 0; |
186b250a JM |
366 | } |
367 | ||
2e9e4f11 PZ |
368 | static int coda_g_fmt(struct file *file, void *priv, |
369 | struct v4l2_format *f) | |
186b250a | 370 | { |
186b250a JM |
371 | struct coda_q_data *q_data; |
372 | struct coda_ctx *ctx = fh_to_ctx(priv); | |
373 | ||
186b250a | 374 | q_data = get_q_data(ctx, f->type); |
b9736299 PZ |
375 | if (!q_data) |
376 | return -EINVAL; | |
186b250a JM |
377 | |
378 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
b96904e5 | 379 | f->fmt.pix.pixelformat = q_data->fourcc; |
186b250a JM |
380 | f->fmt.pix.width = q_data->width; |
381 | f->fmt.pix.height = q_data->height; | |
2fd6a370 | 382 | f->fmt.pix.bytesperline = q_data->bytesperline; |
186b250a JM |
383 | |
384 | f->fmt.pix.sizeimage = q_data->sizeimage; | |
cb1d3a33 PZ |
385 | if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG) |
386 | f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG; | |
387 | else | |
388 | f->fmt.pix.colorspace = ctx->colorspace; | |
186b250a JM |
389 | |
390 | return 0; | |
391 | } | |
392 | ||
2c11d1bd PZ |
393 | static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f) |
394 | { | |
395 | struct coda_q_data *q_data; | |
396 | const u32 *formats; | |
397 | int i; | |
398 | ||
399 | if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
400 | formats = ctx->cvd->src_formats; | |
401 | else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
402 | formats = ctx->cvd->dst_formats; | |
403 | else | |
404 | return -EINVAL; | |
405 | ||
406 | for (i = 0; i < CODA_MAX_FORMATS; i++) { | |
407 | if (formats[i] == f->fmt.pix.pixelformat) { | |
408 | f->fmt.pix.pixelformat = formats[i]; | |
409 | return 0; | |
410 | } | |
411 | } | |
412 | ||
413 | /* Fall back to currently set pixelformat */ | |
414 | q_data = get_q_data(ctx, f->type); | |
415 | f->fmt.pix.pixelformat = q_data->fourcc; | |
186b250a JM |
416 | |
417 | return 0; | |
418 | } | |
419 | ||
8e428d50 PZ |
420 | static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage, |
421 | u32 width, u32 height) | |
422 | { | |
423 | /* | |
424 | * This is a rough estimate for sensible compressed buffer | |
425 | * sizes (between 1 and 16 bits per pixel). This could be | |
426 | * improved by better format specific worst case estimates. | |
427 | */ | |
428 | return round_up(clamp(sizeimage, width * height / 8, | |
429 | width * height * 2), PAGE_SIZE); | |
430 | } | |
431 | ||
814c3762 | 432 | static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec, |
57625593 | 433 | struct v4l2_format *f) |
186b250a | 434 | { |
57625593 | 435 | struct coda_dev *dev = ctx->dev; |
b96904e5 | 436 | unsigned int max_w, max_h; |
186b250a JM |
437 | enum v4l2_field field; |
438 | ||
439 | field = f->fmt.pix.field; | |
440 | if (field == V4L2_FIELD_ANY) | |
441 | field = V4L2_FIELD_NONE; | |
442 | else if (V4L2_FIELD_NONE != field) | |
443 | return -EINVAL; | |
444 | ||
445 | /* V4L2 specification suggests the driver corrects the format struct | |
446 | * if any of the dimensions is unsupported */ | |
447 | f->fmt.pix.field = field; | |
448 | ||
57625593 PZ |
449 | coda_get_max_dimensions(dev, codec, &max_w, &max_h); |
450 | v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN, | |
451 | &f->fmt.pix.height, MIN_H, max_h, H_ALIGN, | |
452 | S_ALIGN); | |
453 | ||
454 | switch (f->fmt.pix.pixelformat) { | |
6727d4fc | 455 | case V4L2_PIX_FMT_NV12: |
57625593 PZ |
456 | case V4L2_PIX_FMT_YUV420: |
457 | case V4L2_PIX_FMT_YVU420: | |
cb1d3a33 PZ |
458 | /* |
459 | * Frame stride must be at least multiple of 8, | |
460 | * but multiple of 16 for h.264 or JPEG 4:2:x | |
461 | */ | |
451dfe5d | 462 | f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16); |
47cf0c61 | 463 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * |
451d43ad | 464 | f->fmt.pix.height * 3 / 2; |
57625593 | 465 | break; |
4de69319 PZ |
466 | case V4L2_PIX_FMT_YUV422P: |
467 | f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16); | |
468 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * | |
469 | f->fmt.pix.height * 2; | |
470 | break; | |
cb1d3a33 PZ |
471 | case V4L2_PIX_FMT_JPEG: |
472 | f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG; | |
473 | /* fallthrough */ | |
57625593 PZ |
474 | case V4L2_PIX_FMT_H264: |
475 | case V4L2_PIX_FMT_MPEG4: | |
95847f40 | 476 | case V4L2_PIX_FMT_MPEG2: |
186b250a | 477 | f->fmt.pix.bytesperline = 0; |
8e428d50 PZ |
478 | f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx, |
479 | f->fmt.pix.sizeimage, | |
480 | f->fmt.pix.width, | |
481 | f->fmt.pix.height); | |
57625593 PZ |
482 | break; |
483 | default: | |
484 | BUG(); | |
186b250a JM |
485 | } |
486 | ||
487 | return 0; | |
488 | } | |
489 | ||
2e9e4f11 PZ |
490 | static int coda_try_fmt_vid_cap(struct file *file, void *priv, |
491 | struct v4l2_format *f) | |
186b250a | 492 | { |
186b250a | 493 | struct coda_ctx *ctx = fh_to_ctx(priv); |
2c11d1bd PZ |
494 | const struct coda_q_data *q_data_src; |
495 | const struct coda_codec *codec; | |
918c66fd PZ |
496 | struct vb2_queue *src_vq; |
497 | int ret; | |
498 | ||
2c11d1bd PZ |
499 | ret = coda_try_pixelformat(ctx, f); |
500 | if (ret < 0) | |
501 | return ret; | |
502 | ||
503 | q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); | |
504 | ||
918c66fd | 505 | /* |
2c11d1bd PZ |
506 | * If the source format is already fixed, only allow the same output |
507 | * resolution | |
918c66fd | 508 | */ |
14604e3a | 509 | src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); |
918c66fd | 510 | if (vb2_is_streaming(src_vq)) { |
91b5841e PZ |
511 | f->fmt.pix.width = q_data_src->width; |
512 | f->fmt.pix.height = q_data_src->height; | |
918c66fd | 513 | } |
186b250a JM |
514 | |
515 | f->fmt.pix.colorspace = ctx->colorspace; | |
516 | ||
2c11d1bd PZ |
517 | q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); |
518 | codec = coda_find_codec(ctx->dev, q_data_src->fourcc, | |
519 | f->fmt.pix.pixelformat); | |
520 | if (!codec) | |
521 | return -EINVAL; | |
522 | ||
57625593 | 523 | ret = coda_try_fmt(ctx, codec, f); |
918c66fd PZ |
524 | if (ret < 0) |
525 | return ret; | |
526 | ||
527 | /* The h.264 decoder only returns complete 16x16 macroblocks */ | |
528 | if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) { | |
1b0ed7be | 529 | f->fmt.pix.width = f->fmt.pix.width; |
918c66fd | 530 | f->fmt.pix.height = round_up(f->fmt.pix.height, 16); |
1b0ed7be | 531 | f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16); |
918c66fd PZ |
532 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * |
533 | f->fmt.pix.height * 3 / 2; | |
534 | } | |
535 | ||
536 | return 0; | |
186b250a JM |
537 | } |
538 | ||
2e9e4f11 PZ |
539 | static int coda_try_fmt_vid_out(struct file *file, void *priv, |
540 | struct v4l2_format *f) | |
186b250a JM |
541 | { |
542 | struct coda_ctx *ctx = fh_to_ctx(priv); | |
2c11d1bd PZ |
543 | struct coda_dev *dev = ctx->dev; |
544 | const struct coda_q_data *q_data_dst; | |
545 | const struct coda_codec *codec; | |
546 | int ret; | |
186b250a | 547 | |
2c11d1bd PZ |
548 | ret = coda_try_pixelformat(ctx, f); |
549 | if (ret < 0) | |
550 | return ret; | |
186b250a | 551 | |
5f9826e8 PZ |
552 | switch (f->fmt.pix.colorspace) { |
553 | case V4L2_COLORSPACE_REC709: | |
554 | case V4L2_COLORSPACE_JPEG: | |
555 | break; | |
556 | default: | |
cb1d3a33 PZ |
557 | if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG) |
558 | f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG; | |
559 | else | |
560 | f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709; | |
4f31ff01 | 561 | } |
186b250a | 562 | |
2c11d1bd PZ |
563 | q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); |
564 | codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc); | |
186b250a | 565 | |
57625593 | 566 | return coda_try_fmt(ctx, codec, f); |
186b250a JM |
567 | } |
568 | ||
2e9e4f11 | 569 | static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f) |
186b250a JM |
570 | { |
571 | struct coda_q_data *q_data; | |
572 | struct vb2_queue *vq; | |
186b250a | 573 | |
14604e3a | 574 | vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); |
186b250a JM |
575 | if (!vq) |
576 | return -EINVAL; | |
577 | ||
578 | q_data = get_q_data(ctx, f->type); | |
579 | if (!q_data) | |
580 | return -EINVAL; | |
581 | ||
582 | if (vb2_is_busy(vq)) { | |
583 | v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__); | |
584 | return -EBUSY; | |
585 | } | |
586 | ||
b96904e5 | 587 | q_data->fourcc = f->fmt.pix.pixelformat; |
186b250a JM |
588 | q_data->width = f->fmt.pix.width; |
589 | q_data->height = f->fmt.pix.height; | |
2fd6a370 | 590 | q_data->bytesperline = f->fmt.pix.bytesperline; |
451d43ad | 591 | q_data->sizeimage = f->fmt.pix.sizeimage; |
52c41676 PZ |
592 | q_data->rect.left = 0; |
593 | q_data->rect.top = 0; | |
594 | q_data->rect.width = f->fmt.pix.width; | |
595 | q_data->rect.height = f->fmt.pix.height; | |
186b250a | 596 | |
a269e53b PZ |
597 | switch (f->fmt.pix.pixelformat) { |
598 | case V4L2_PIX_FMT_NV12: | |
599 | if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
600 | ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP; | |
601 | if (!disable_tiling) | |
602 | break; | |
603 | } | |
604 | /* else fall through */ | |
605 | case V4L2_PIX_FMT_YUV420: | |
606 | case V4L2_PIX_FMT_YVU420: | |
607 | ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP; | |
608 | break; | |
609 | default: | |
610 | break; | |
611 | } | |
612 | ||
186b250a JM |
613 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, |
614 | "Setting format for type %d, wxh: %dx%d, fmt: %d\n", | |
b96904e5 | 615 | f->type, q_data->width, q_data->height, q_data->fourcc); |
186b250a JM |
616 | |
617 | return 0; | |
618 | } | |
619 | ||
2e9e4f11 PZ |
620 | static int coda_s_fmt_vid_cap(struct file *file, void *priv, |
621 | struct v4l2_format *f) | |
186b250a | 622 | { |
b96904e5 | 623 | struct coda_ctx *ctx = fh_to_ctx(priv); |
186b250a JM |
624 | int ret; |
625 | ||
2e9e4f11 | 626 | ret = coda_try_fmt_vid_cap(file, priv, f); |
186b250a JM |
627 | if (ret) |
628 | return ret; | |
629 | ||
2e9e4f11 | 630 | return coda_s_fmt(ctx, f); |
186b250a JM |
631 | } |
632 | ||
2e9e4f11 PZ |
633 | static int coda_s_fmt_vid_out(struct file *file, void *priv, |
634 | struct v4l2_format *f) | |
186b250a JM |
635 | { |
636 | struct coda_ctx *ctx = fh_to_ctx(priv); | |
f95a6ce1 | 637 | struct v4l2_format f_cap; |
186b250a JM |
638 | int ret; |
639 | ||
2e9e4f11 | 640 | ret = coda_try_fmt_vid_out(file, priv, f); |
186b250a JM |
641 | if (ret) |
642 | return ret; | |
643 | ||
2e9e4f11 | 644 | ret = coda_s_fmt(ctx, f); |
186b250a | 645 | if (ret) |
2dc546d0 PZ |
646 | return ret; |
647 | ||
648 | ctx->colorspace = f->fmt.pix.colorspace; | |
186b250a | 649 | |
1c2f6a99 | 650 | memset(&f_cap, 0, sizeof(f_cap)); |
f95a6ce1 PZ |
651 | f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
652 | coda_g_fmt(file, priv, &f_cap); | |
653 | f_cap.fmt.pix.width = f->fmt.pix.width; | |
654 | f_cap.fmt.pix.height = f->fmt.pix.height; | |
655 | ||
656 | ret = coda_try_fmt_vid_cap(file, priv, &f_cap); | |
657 | if (ret) | |
658 | return ret; | |
659 | ||
660 | return coda_s_fmt(ctx, &f_cap); | |
186b250a JM |
661 | } |
662 | ||
73751da6 PZ |
663 | static int coda_reqbufs(struct file *file, void *priv, |
664 | struct v4l2_requestbuffers *rb) | |
665 | { | |
666 | struct coda_ctx *ctx = fh_to_ctx(priv); | |
667 | int ret; | |
668 | ||
669 | ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb); | |
670 | if (ret) | |
671 | return ret; | |
672 | ||
673 | /* | |
674 | * Allow to allocate instance specific per-context buffers, such as | |
675 | * bitstream ringbuffer, slice buffer, work buffer, etc. if needed. | |
676 | */ | |
677 | if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs) | |
678 | return ctx->ops->reqbufs(ctx, rb); | |
679 | ||
680 | return 0; | |
681 | } | |
682 | ||
2e9e4f11 PZ |
683 | static int coda_qbuf(struct file *file, void *priv, |
684 | struct v4l2_buffer *buf) | |
186b250a JM |
685 | { |
686 | struct coda_ctx *ctx = fh_to_ctx(priv); | |
687 | ||
14604e3a | 688 | return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf); |
186b250a JM |
689 | } |
690 | ||
918c66fd | 691 | static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx, |
2d700715 | 692 | struct vb2_v4l2_buffer *buf) |
918c66fd PZ |
693 | { |
694 | struct vb2_queue *src_vq; | |
695 | ||
14604e3a | 696 | src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); |
918c66fd PZ |
697 | |
698 | return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) && | |
2d700715 | 699 | (buf->sequence == (ctx->qsequence - 1))); |
918c66fd PZ |
700 | } |
701 | ||
2d700715 | 702 | void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf, |
9f2bfb33 | 703 | enum vb2_buffer_state state) |
186b250a | 704 | { |
9f2bfb33 PZ |
705 | const struct v4l2_event eos_event = { |
706 | .type = V4L2_EVENT_EOS | |
707 | }; | |
186b250a | 708 | |
9f2bfb33 | 709 | if (coda_buf_is_end_of_stream(ctx, buf)) { |
2d700715 | 710 | buf->flags |= V4L2_BUF_FLAG_LAST; |
918c66fd PZ |
711 | |
712 | v4l2_event_queue_fh(&ctx->fh, &eos_event); | |
713 | } | |
714 | ||
9f2bfb33 | 715 | v4l2_m2m_buf_done(buf, state); |
186b250a JM |
716 | } |
717 | ||
52c41676 PZ |
718 | static int coda_g_selection(struct file *file, void *fh, |
719 | struct v4l2_selection *s) | |
720 | { | |
721 | struct coda_ctx *ctx = fh_to_ctx(fh); | |
722 | struct coda_q_data *q_data; | |
723 | struct v4l2_rect r, *rsel; | |
724 | ||
725 | q_data = get_q_data(ctx, s->type); | |
726 | if (!q_data) | |
727 | return -EINVAL; | |
728 | ||
729 | r.left = 0; | |
730 | r.top = 0; | |
731 | r.width = q_data->width; | |
732 | r.height = q_data->height; | |
733 | rsel = &q_data->rect; | |
734 | ||
735 | switch (s->target) { | |
736 | case V4L2_SEL_TGT_CROP_DEFAULT: | |
737 | case V4L2_SEL_TGT_CROP_BOUNDS: | |
738 | rsel = &r; | |
739 | /* fallthrough */ | |
740 | case V4L2_SEL_TGT_CROP: | |
741 | if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
742 | return -EINVAL; | |
743 | break; | |
744 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: | |
745 | case V4L2_SEL_TGT_COMPOSE_PADDED: | |
746 | rsel = &r; | |
747 | /* fallthrough */ | |
748 | case V4L2_SEL_TGT_COMPOSE: | |
749 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: | |
750 | if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
751 | return -EINVAL; | |
752 | break; | |
753 | default: | |
754 | return -EINVAL; | |
755 | } | |
756 | ||
757 | s->r = *rsel; | |
758 | ||
759 | return 0; | |
760 | } | |
761 | ||
64ba40ac PZ |
762 | static int coda_try_decoder_cmd(struct file *file, void *fh, |
763 | struct v4l2_decoder_cmd *dc) | |
918c66fd | 764 | { |
918c66fd PZ |
765 | if (dc->cmd != V4L2_DEC_CMD_STOP) |
766 | return -EINVAL; | |
767 | ||
64ba40ac | 768 | if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK) |
918c66fd PZ |
769 | return -EINVAL; |
770 | ||
64ba40ac | 771 | if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0)) |
918c66fd PZ |
772 | return -EINVAL; |
773 | ||
64ba40ac PZ |
774 | return 0; |
775 | } | |
776 | ||
777 | static int coda_decoder_cmd(struct file *file, void *fh, | |
778 | struct v4l2_decoder_cmd *dc) | |
779 | { | |
780 | struct coda_ctx *ctx = fh_to_ctx(fh); | |
781 | int ret; | |
782 | ||
783 | ret = coda_try_decoder_cmd(file, fh, dc); | |
784 | if (ret < 0) | |
785 | return ret; | |
786 | ||
787 | /* Ignore decoder stop command silently in encoder context */ | |
918c66fd | 788 | if (ctx->inst_type != CODA_INST_DECODER) |
64ba40ac | 789 | return 0; |
918c66fd | 790 | |
347bb7f0 PZ |
791 | /* Set the stream-end flag on this context */ |
792 | coda_bit_stream_end_flag(ctx); | |
84e2365d | 793 | ctx->hold = false; |
f3497dad | 794 | v4l2_m2m_try_schedule(ctx->fh.m2m_ctx); |
89548441 | 795 | |
918c66fd PZ |
796 | return 0; |
797 | } | |
798 | ||
cde29ef3 PZ |
799 | static int coda_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) |
800 | { | |
801 | struct coda_ctx *ctx = fh_to_ctx(fh); | |
802 | struct v4l2_fract *tpf; | |
803 | ||
804 | if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
805 | return -EINVAL; | |
806 | ||
807 | a->parm.output.capability = V4L2_CAP_TIMEPERFRAME; | |
808 | tpf = &a->parm.output.timeperframe; | |
809 | tpf->denominator = ctx->params.framerate & CODA_FRATE_RES_MASK; | |
810 | tpf->numerator = 1 + (ctx->params.framerate >> | |
811 | CODA_FRATE_DIV_OFFSET); | |
812 | ||
813 | return 0; | |
814 | } | |
815 | ||
816 | /* | |
817 | * Approximate timeperframe v4l2_fract with values that can be written | |
818 | * into the 16-bit CODA_FRATE_DIV and CODA_FRATE_RES fields. | |
819 | */ | |
820 | static void coda_approximate_timeperframe(struct v4l2_fract *timeperframe) | |
821 | { | |
822 | struct v4l2_fract s = *timeperframe; | |
823 | struct v4l2_fract f0; | |
824 | struct v4l2_fract f1 = { 1, 0 }; | |
825 | struct v4l2_fract f2 = { 0, 1 }; | |
826 | unsigned int i, div, s_denominator; | |
827 | ||
828 | /* Lower bound is 1/65535 */ | |
829 | if (s.numerator == 0 || s.denominator / s.numerator > 65535) { | |
830 | timeperframe->numerator = 1; | |
831 | timeperframe->denominator = 65535; | |
832 | return; | |
833 | } | |
834 | ||
835 | /* Upper bound is 65536/1, map everything above to infinity */ | |
836 | if (s.denominator == 0 || s.numerator / s.denominator > 65536) { | |
837 | timeperframe->numerator = 1; | |
838 | timeperframe->denominator = 0; | |
839 | return; | |
840 | } | |
841 | ||
842 | /* Reduce fraction to lowest terms */ | |
843 | div = gcd(s.numerator, s.denominator); | |
844 | if (div > 1) { | |
845 | s.numerator /= div; | |
846 | s.denominator /= div; | |
847 | } | |
848 | ||
849 | if (s.numerator <= 65536 && s.denominator < 65536) { | |
850 | *timeperframe = s; | |
851 | return; | |
852 | } | |
853 | ||
854 | /* Find successive convergents from continued fraction expansion */ | |
855 | while (f2.numerator <= 65536 && f2.denominator < 65536) { | |
856 | f0 = f1; | |
857 | f1 = f2; | |
858 | ||
859 | /* Stop when f2 exactly equals timeperframe */ | |
860 | if (s.numerator == 0) | |
861 | break; | |
862 | ||
863 | i = s.denominator / s.numerator; | |
864 | ||
865 | f2.numerator = f0.numerator + i * f1.numerator; | |
866 | f2.denominator = f0.denominator + i * f2.denominator; | |
867 | ||
868 | s_denominator = s.numerator; | |
869 | s.numerator = s.denominator % s.numerator; | |
870 | s.denominator = s_denominator; | |
871 | } | |
872 | ||
873 | *timeperframe = f1; | |
874 | } | |
875 | ||
876 | static uint32_t coda_timeperframe_to_frate(struct v4l2_fract *timeperframe) | |
877 | { | |
878 | return ((timeperframe->numerator - 1) << CODA_FRATE_DIV_OFFSET) | | |
879 | timeperframe->denominator; | |
880 | } | |
881 | ||
882 | static int coda_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) | |
883 | { | |
884 | struct coda_ctx *ctx = fh_to_ctx(fh); | |
885 | struct v4l2_fract *tpf; | |
886 | ||
887 | if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
888 | return -EINVAL; | |
889 | ||
890 | tpf = &a->parm.output.timeperframe; | |
891 | coda_approximate_timeperframe(tpf); | |
892 | ctx->params.framerate = coda_timeperframe_to_frate(tpf); | |
893 | ||
894 | return 0; | |
895 | } | |
896 | ||
2e9e4f11 PZ |
897 | static int coda_subscribe_event(struct v4l2_fh *fh, |
898 | const struct v4l2_event_subscription *sub) | |
918c66fd PZ |
899 | { |
900 | switch (sub->type) { | |
901 | case V4L2_EVENT_EOS: | |
902 | return v4l2_event_subscribe(fh, sub, 0, NULL); | |
903 | default: | |
904 | return v4l2_ctrl_subscribe_event(fh, sub); | |
905 | } | |
186b250a JM |
906 | } |
907 | ||
908 | static const struct v4l2_ioctl_ops coda_ioctl_ops = { | |
2e9e4f11 | 909 | .vidioc_querycap = coda_querycap, |
186b250a | 910 | |
22e244b8 | 911 | .vidioc_enum_fmt_vid_cap = coda_enum_fmt, |
2e9e4f11 PZ |
912 | .vidioc_g_fmt_vid_cap = coda_g_fmt, |
913 | .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap, | |
914 | .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap, | |
186b250a | 915 | |
22e244b8 | 916 | .vidioc_enum_fmt_vid_out = coda_enum_fmt, |
2e9e4f11 PZ |
917 | .vidioc_g_fmt_vid_out = coda_g_fmt, |
918 | .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out, | |
919 | .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out, | |
186b250a | 920 | |
73751da6 | 921 | .vidioc_reqbufs = coda_reqbufs, |
152ea1c8 | 922 | .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, |
186b250a | 923 | |
2e9e4f11 | 924 | .vidioc_qbuf = coda_qbuf, |
152ea1c8 | 925 | .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, |
9f2bfb33 | 926 | .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, |
152ea1c8 | 927 | .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, |
bb757d7b | 928 | .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, |
186b250a | 929 | |
152ea1c8 PZ |
930 | .vidioc_streamon = v4l2_m2m_ioctl_streamon, |
931 | .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, | |
918c66fd | 932 | |
52c41676 PZ |
933 | .vidioc_g_selection = coda_g_selection, |
934 | ||
64ba40ac | 935 | .vidioc_try_decoder_cmd = coda_try_decoder_cmd, |
2e9e4f11 | 936 | .vidioc_decoder_cmd = coda_decoder_cmd, |
918c66fd | 937 | |
cde29ef3 PZ |
938 | .vidioc_g_parm = coda_g_parm, |
939 | .vidioc_s_parm = coda_s_parm, | |
940 | ||
2e9e4f11 | 941 | .vidioc_subscribe_event = coda_subscribe_event, |
918c66fd | 942 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
186b250a JM |
943 | }; |
944 | ||
945 | /* | |
946 | * Mem-to-mem operations. | |
947 | */ | |
477c1cfe PZ |
948 | |
949 | static void coda_device_run(void *m2m_priv) | |
950 | { | |
951 | struct coda_ctx *ctx = m2m_priv; | |
952 | struct coda_dev *dev = ctx->dev; | |
32b6f206 PZ |
953 | |
954 | queue_work(dev->workqueue, &ctx->pic_run_work); | |
955 | } | |
956 | ||
32b6f206 PZ |
957 | static void coda_pic_run_work(struct work_struct *work) |
958 | { | |
959 | struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work); | |
960 | struct coda_dev *dev = ctx->dev; | |
961 | int ret; | |
962 | ||
963 | mutex_lock(&ctx->buffer_mutex); | |
918c66fd PZ |
964 | mutex_lock(&dev->coda_mutex); |
965 | ||
a1192a17 PZ |
966 | ret = ctx->ops->prepare_run(ctx); |
967 | if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) { | |
968 | mutex_unlock(&dev->coda_mutex); | |
969 | mutex_unlock(&ctx->buffer_mutex); | |
970 | /* job_finish scheduled by prepare_decode */ | |
971 | return; | |
1043667b PZ |
972 | } |
973 | ||
f23797b6 PZ |
974 | if (!wait_for_completion_timeout(&ctx->completion, |
975 | msecs_to_jiffies(1000))) { | |
32b6f206 | 976 | dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n"); |
84e2365d PZ |
977 | |
978 | ctx->hold = true; | |
8f45284c PZ |
979 | |
980 | coda_hw_reset(ctx); | |
32b6f206 | 981 | } else if (!ctx->aborting) { |
a1192a17 | 982 | ctx->ops->finish_run(ctx); |
32b6f206 PZ |
983 | } |
984 | ||
747d7646 PZ |
985 | if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) && |
986 | ctx->ops->seq_end_work) | |
32b6f206 PZ |
987 | queue_work(dev->workqueue, &ctx->seq_end_work); |
988 | ||
989 | mutex_unlock(&dev->coda_mutex); | |
990 | mutex_unlock(&ctx->buffer_mutex); | |
991 | ||
14604e3a | 992 | v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx); |
186b250a JM |
993 | } |
994 | ||
995 | static int coda_job_ready(void *m2m_priv) | |
996 | { | |
997 | struct coda_ctx *ctx = m2m_priv; | |
2cf251c0 | 998 | int src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx); |
186b250a JM |
999 | |
1000 | /* | |
1001 | * For both 'P' and 'key' frame cases 1 picture | |
9082a7c6 PZ |
1002 | * and 1 frame are needed. In the decoder case, |
1003 | * the compressed frame can be in the bitstream. | |
186b250a | 1004 | */ |
2cf251c0 | 1005 | if (!src_bufs && ctx->inst_type != CODA_INST_DECODER) { |
186b250a JM |
1006 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, |
1007 | "not ready: not enough video buffers.\n"); | |
1008 | return 0; | |
1009 | } | |
1010 | ||
14604e3a | 1011 | if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) { |
9082a7c6 PZ |
1012 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, |
1013 | "not ready: not enough video capture buffers.\n"); | |
1014 | return 0; | |
1015 | } | |
1016 | ||
a22496c6 | 1017 | if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) { |
47f3fa63 PZ |
1018 | bool stream_end = ctx->bit_stream_param & |
1019 | CODA_BIT_STREAM_END_FLAG; | |
1020 | int num_metas = ctx->num_metas; | |
f77fd8a9 | 1021 | |
2cf251c0 | 1022 | if (ctx->hold && !src_bufs) { |
f77fd8a9 PZ |
1023 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, |
1024 | "%d: not ready: on hold for more buffers.\n", | |
1025 | ctx->idx); | |
1026 | return 0; | |
1027 | } | |
1028 | ||
f77fd8a9 PZ |
1029 | if (!stream_end && (num_metas + src_bufs) < 2) { |
1030 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1031 | "%d: not ready: need 2 buffers available (%d, %d)\n", | |
1032 | ctx->idx, num_metas, src_bufs); | |
1033 | return 0; | |
1034 | } | |
1035 | ||
1036 | ||
2cf251c0 PZ |
1037 | if (!src_bufs && !stream_end && |
1038 | (coda_get_bitstream_payload(ctx) < 512)) { | |
f77fd8a9 PZ |
1039 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, |
1040 | "%d: not ready: not enough bitstream data (%d).\n", | |
1041 | ctx->idx, coda_get_bitstream_payload(ctx)); | |
1042 | return 0; | |
1043 | } | |
918c66fd PZ |
1044 | } |
1045 | ||
3e748268 PZ |
1046 | if (ctx->aborting) { |
1047 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1048 | "not ready: aborting\n"); | |
1049 | return 0; | |
1050 | } | |
1051 | ||
186b250a JM |
1052 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, |
1053 | "job ready\n"); | |
47f3fa63 | 1054 | |
186b250a JM |
1055 | return 1; |
1056 | } | |
1057 | ||
1058 | static void coda_job_abort(void *priv) | |
1059 | { | |
1060 | struct coda_ctx *ctx = priv; | |
186b250a JM |
1061 | |
1062 | ctx->aborting = 1; | |
1063 | ||
1064 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1065 | "Aborting task\n"); | |
186b250a JM |
1066 | } |
1067 | ||
1068 | static void coda_lock(void *m2m_priv) | |
1069 | { | |
1070 | struct coda_ctx *ctx = m2m_priv; | |
1071 | struct coda_dev *pcdev = ctx->dev; | |
f23797b6 | 1072 | |
186b250a JM |
1073 | mutex_lock(&pcdev->dev_mutex); |
1074 | } | |
1075 | ||
1076 | static void coda_unlock(void *m2m_priv) | |
1077 | { | |
1078 | struct coda_ctx *ctx = m2m_priv; | |
1079 | struct coda_dev *pcdev = ctx->dev; | |
f23797b6 | 1080 | |
186b250a JM |
1081 | mutex_unlock(&pcdev->dev_mutex); |
1082 | } | |
1083 | ||
814c3762 | 1084 | static const struct v4l2_m2m_ops coda_m2m_ops = { |
186b250a JM |
1085 | .device_run = coda_device_run, |
1086 | .job_ready = coda_job_ready, | |
1087 | .job_abort = coda_job_abort, | |
1088 | .lock = coda_lock, | |
1089 | .unlock = coda_unlock, | |
1090 | }; | |
1091 | ||
1092 | static void set_default_params(struct coda_ctx *ctx) | |
1093 | { | |
8e428d50 | 1094 | unsigned int max_w, max_h, usize, csize; |
b96904e5 | 1095 | |
2c11d1bd PZ |
1096 | ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0], |
1097 | ctx->cvd->dst_formats[0]); | |
d4c6a416 PZ |
1098 | max_w = min(ctx->codec->max_w, 1920U); |
1099 | max_h = min(ctx->codec->max_h, 1088U); | |
8e428d50 PZ |
1100 | usize = max_w * max_h * 3 / 2; |
1101 | csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h); | |
186b250a | 1102 | |
121cacf4 | 1103 | ctx->params.codec_mode = ctx->codec->mode; |
186b250a JM |
1104 | ctx->colorspace = V4L2_COLORSPACE_REC709; |
1105 | ctx->params.framerate = 30; | |
186b250a JM |
1106 | |
1107 | /* Default formats for output and input queues */ | |
6727d4fc PZ |
1108 | ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->cvd->src_formats[0]; |
1109 | ctx->q_data[V4L2_M2M_DST].fourcc = ctx->cvd->dst_formats[0]; | |
b96904e5 PZ |
1110 | ctx->q_data[V4L2_M2M_SRC].width = max_w; |
1111 | ctx->q_data[V4L2_M2M_SRC].height = max_h; | |
b96904e5 PZ |
1112 | ctx->q_data[V4L2_M2M_DST].width = max_w; |
1113 | ctx->q_data[V4L2_M2M_DST].height = max_h; | |
121cacf4 PZ |
1114 | if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) { |
1115 | ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w; | |
8e428d50 | 1116 | ctx->q_data[V4L2_M2M_SRC].sizeimage = usize; |
121cacf4 | 1117 | ctx->q_data[V4L2_M2M_DST].bytesperline = 0; |
8e428d50 | 1118 | ctx->q_data[V4L2_M2M_DST].sizeimage = csize; |
121cacf4 PZ |
1119 | } else { |
1120 | ctx->q_data[V4L2_M2M_SRC].bytesperline = 0; | |
8e428d50 | 1121 | ctx->q_data[V4L2_M2M_SRC].sizeimage = csize; |
121cacf4 | 1122 | ctx->q_data[V4L2_M2M_DST].bytesperline = max_w; |
8e428d50 | 1123 | ctx->q_data[V4L2_M2M_DST].sizeimage = usize; |
121cacf4 | 1124 | } |
52c41676 PZ |
1125 | ctx->q_data[V4L2_M2M_SRC].rect.width = max_w; |
1126 | ctx->q_data[V4L2_M2M_SRC].rect.height = max_h; | |
1127 | ctx->q_data[V4L2_M2M_DST].rect.width = max_w; | |
1128 | ctx->q_data[V4L2_M2M_DST].rect.height = max_h; | |
89548441 | 1129 | |
a269e53b PZ |
1130 | /* |
1131 | * Since the RBC2AXI logic only supports a single chroma plane, | |
1132 | * macroblock tiling only works for to NV12 pixel format. | |
1133 | */ | |
1134 | ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP; | |
186b250a JM |
1135 | } |
1136 | ||
1137 | /* | |
1138 | * Queue operations | |
1139 | */ | |
df9ecb0c | 1140 | static int coda_queue_setup(struct vb2_queue *vq, |
186b250a JM |
1141 | unsigned int *nbuffers, unsigned int *nplanes, |
1142 | unsigned int sizes[], void *alloc_ctxs[]) | |
1143 | { | |
1144 | struct coda_ctx *ctx = vb2_get_drv_priv(vq); | |
e34db066 | 1145 | struct coda_q_data *q_data; |
186b250a JM |
1146 | unsigned int size; |
1147 | ||
e34db066 PZ |
1148 | q_data = get_q_data(ctx, vq->type); |
1149 | size = q_data->sizeimage; | |
186b250a JM |
1150 | |
1151 | *nplanes = 1; | |
1152 | sizes[0] = size; | |
1153 | ||
bb04aa6f | 1154 | /* Set to vb2-dma-contig allocator context, ignored by vb2-vmalloc */ |
186b250a JM |
1155 | alloc_ctxs[0] = ctx->dev->alloc_ctx; |
1156 | ||
1157 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1158 | "get %d buffer(s) of size %d each.\n", *nbuffers, size); | |
1159 | ||
1160 | return 0; | |
1161 | } | |
1162 | ||
1163 | static int coda_buf_prepare(struct vb2_buffer *vb) | |
1164 | { | |
1165 | struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); | |
1166 | struct coda_q_data *q_data; | |
1167 | ||
1168 | q_data = get_q_data(ctx, vb->vb2_queue->type); | |
1169 | ||
1170 | if (vb2_plane_size(vb, 0) < q_data->sizeimage) { | |
1171 | v4l2_warn(&ctx->dev->v4l2_dev, | |
1172 | "%s data will not fit into plane (%lu < %lu)\n", | |
1173 | __func__, vb2_plane_size(vb, 0), | |
1174 | (long)q_data->sizeimage); | |
1175 | return -EINVAL; | |
1176 | } | |
1177 | ||
186b250a JM |
1178 | return 0; |
1179 | } | |
1180 | ||
1181 | static void coda_buf_queue(struct vb2_buffer *vb) | |
1182 | { | |
2d700715 | 1183 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
186b250a | 1184 | struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
cb06b705 | 1185 | struct vb2_queue *vq = vb->vb2_queue; |
918c66fd PZ |
1186 | struct coda_q_data *q_data; |
1187 | ||
1188 | q_data = get_q_data(ctx, vb->vb2_queue->type); | |
1189 | ||
1190 | /* | |
1191 | * In the decoder case, immediately try to copy the buffer into the | |
1192 | * bitstream ringbuffer and mark it as ready to be dequeued. | |
1193 | */ | |
cb06b705 | 1194 | if (ctx->bitstream.size && vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { |
918c66fd | 1195 | /* |
39c1cb2b | 1196 | * For backwards compatibility, queuing an empty buffer marks |
918c66fd PZ |
1197 | * the stream end |
1198 | */ | |
347bb7f0 PZ |
1199 | if (vb2_get_plane_payload(vb, 0) == 0) |
1200 | coda_bit_stream_end_flag(ctx); | |
918c66fd | 1201 | mutex_lock(&ctx->bitstream_mutex); |
2d700715 | 1202 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf); |
eabed931 | 1203 | if (vb2_is_streaming(vb->vb2_queue)) |
582d8872 | 1204 | coda_fill_bitstream(ctx, true); |
918c66fd PZ |
1205 | mutex_unlock(&ctx->bitstream_mutex); |
1206 | } else { | |
2d700715 | 1207 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf); |
918c66fd | 1208 | } |
186b250a JM |
1209 | } |
1210 | ||
79924ca9 PZ |
1211 | int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf, |
1212 | size_t size, const char *name, struct dentry *parent) | |
5677e3b0 PZ |
1213 | { |
1214 | buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr, | |
1215 | GFP_KERNEL); | |
68fc31c5 PZ |
1216 | if (!buf->vaddr) { |
1217 | v4l2_err(&dev->v4l2_dev, | |
1218 | "Failed to allocate %s buffer of size %u\n", | |
1219 | name, size); | |
5677e3b0 | 1220 | return -ENOMEM; |
68fc31c5 | 1221 | } |
5677e3b0 PZ |
1222 | |
1223 | buf->size = size; | |
1224 | ||
f61c0b14 PZ |
1225 | if (name && parent) { |
1226 | buf->blob.data = buf->vaddr; | |
1227 | buf->blob.size = size; | |
f23797b6 PZ |
1228 | buf->dentry = debugfs_create_blob(name, 0644, parent, |
1229 | &buf->blob); | |
f61c0b14 PZ |
1230 | if (!buf->dentry) |
1231 | dev_warn(&dev->plat_dev->dev, | |
1232 | "failed to create debugfs entry %s\n", name); | |
1233 | } | |
1234 | ||
5677e3b0 PZ |
1235 | return 0; |
1236 | } | |
1237 | ||
79924ca9 PZ |
1238 | void coda_free_aux_buf(struct coda_dev *dev, |
1239 | struct coda_aux_buf *buf) | |
5677e3b0 PZ |
1240 | { |
1241 | if (buf->vaddr) { | |
1242 | dma_free_coherent(&dev->plat_dev->dev, buf->size, | |
1243 | buf->vaddr, buf->paddr); | |
1244 | buf->vaddr = NULL; | |
1245 | buf->size = 0; | |
d446ec8e PS |
1246 | debugfs_remove(buf->dentry); |
1247 | buf->dentry = NULL; | |
5677e3b0 PZ |
1248 | } |
1249 | } | |
1250 | ||
79924ca9 | 1251 | static int coda_start_streaming(struct vb2_queue *q, unsigned int count) |
5677e3b0 | 1252 | { |
79924ca9 PZ |
1253 | struct coda_ctx *ctx = vb2_get_drv_priv(q); |
1254 | struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev; | |
1255 | struct coda_q_data *q_data_src, *q_data_dst; | |
2d700715 | 1256 | struct vb2_v4l2_buffer *buf; |
79924ca9 | 1257 | int ret = 0; |
5677e3b0 | 1258 | |
49b966fa PZ |
1259 | if (count < 1) |
1260 | return -EINVAL; | |
1261 | ||
79924ca9 PZ |
1262 | q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); |
1263 | if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
58bc7edf | 1264 | if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) { |
582d8872 | 1265 | /* copy the buffers that were queued before streamon */ |
79924ca9 | 1266 | mutex_lock(&ctx->bitstream_mutex); |
582d8872 | 1267 | coda_fill_bitstream(ctx, false); |
79924ca9 | 1268 | mutex_unlock(&ctx->bitstream_mutex); |
eabed931 | 1269 | |
b906352c PZ |
1270 | if (coda_get_bitstream_payload(ctx) < 512) { |
1271 | ret = -EINVAL; | |
1272 | goto err; | |
1273 | } | |
918c66fd | 1274 | } |
186b250a | 1275 | |
b96904e5 | 1276 | ctx->streamon_out = 1; |
918c66fd | 1277 | } else { |
918c66fd | 1278 | ctx->streamon_cap = 1; |
b96904e5 | 1279 | } |
186b250a | 1280 | |
b96904e5 PZ |
1281 | /* Don't start the coda unless both queues are on */ |
1282 | if (!(ctx->streamon_out & ctx->streamon_cap)) | |
1283 | return 0; | |
186b250a | 1284 | |
23b6ee5c PZ |
1285 | q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); |
1286 | if ((q_data_src->width != q_data_dst->width && | |
1287 | round_up(q_data_src->width, 16) != q_data_dst->width) || | |
1288 | (q_data_src->height != q_data_dst->height && | |
1289 | round_up(q_data_src->height, 16) != q_data_dst->height)) { | |
1290 | v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n", | |
1291 | q_data_src->width, q_data_src->height, | |
1292 | q_data_dst->width, q_data_dst->height); | |
1293 | ret = -EINVAL; | |
1294 | goto err; | |
1295 | } | |
1296 | ||
cb1d3a33 | 1297 | /* Allow BIT decoder device_run with no new buffers queued */ |
a22496c6 | 1298 | if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) |
14604e3a | 1299 | v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true); |
918c66fd | 1300 | |
b96904e5 | 1301 | ctx->gopcounter = ctx->params.gop_size - 1; |
b96904e5 PZ |
1302 | |
1303 | ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc, | |
1304 | q_data_dst->fourcc); | |
1305 | if (!ctx->codec) { | |
186b250a | 1306 | v4l2_err(v4l2_dev, "couldn't tell instance type.\n"); |
b906352c PZ |
1307 | ret = -EINVAL; |
1308 | goto err; | |
186b250a JM |
1309 | } |
1310 | ||
cb1d3a33 PZ |
1311 | if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG) |
1312 | ctx->params.gop_size = 1; | |
1313 | ctx->gopcounter = ctx->params.gop_size - 1; | |
1314 | ||
a1192a17 | 1315 | ret = ctx->ops->start_streaming(ctx); |
918c66fd | 1316 | if (ctx->inst_type == CODA_INST_DECODER) { |
89548441 | 1317 | if (ret == -EAGAIN) |
918c66fd | 1318 | return 0; |
89548441 | 1319 | else if (ret < 0) |
b906352c | 1320 | goto err; |
918c66fd PZ |
1321 | } |
1322 | ||
89548441 | 1323 | return ret; |
b906352c PZ |
1324 | |
1325 | err: | |
1326 | if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
1327 | while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx))) | |
b8b1b58c | 1328 | v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED); |
b906352c PZ |
1329 | } else { |
1330 | while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx))) | |
b8b1b58c | 1331 | v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED); |
b906352c PZ |
1332 | } |
1333 | return ret; | |
89548441 PZ |
1334 | } |
1335 | ||
e37559b2 | 1336 | static void coda_stop_streaming(struct vb2_queue *q) |
186b250a JM |
1337 | { |
1338 | struct coda_ctx *ctx = vb2_get_drv_priv(q); | |
2fb57f06 | 1339 | struct coda_dev *dev = ctx->dev; |
2d700715 | 1340 | struct vb2_v4l2_buffer *buf; |
47f3fa63 | 1341 | unsigned long flags; |
5c76c2c3 PZ |
1342 | bool stop; |
1343 | ||
1344 | stop = ctx->streamon_out && ctx->streamon_cap; | |
186b250a JM |
1345 | |
1346 | if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
918c66fd | 1347 | v4l2_dbg(1, coda_debug, &dev->v4l2_dev, |
186b250a | 1348 | "%s: output\n", __func__); |
b96904e5 | 1349 | ctx->streamon_out = 0; |
918c66fd | 1350 | |
347bb7f0 | 1351 | coda_bit_stream_end_flag(ctx); |
4a31b52f | 1352 | |
6dd5ef5b | 1353 | ctx->qsequence = 0; |
4a31b52f PZ |
1354 | |
1355 | while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx))) | |
1356 | v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); | |
186b250a | 1357 | } else { |
918c66fd | 1358 | v4l2_dbg(1, coda_debug, &dev->v4l2_dev, |
186b250a | 1359 | "%s: capture\n", __func__); |
b96904e5 | 1360 | ctx->streamon_cap = 0; |
2fb57f06 | 1361 | |
918c66fd | 1362 | ctx->osequence = 0; |
cb2c0282 | 1363 | ctx->sequence_offset = 0; |
4a31b52f PZ |
1364 | |
1365 | while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx))) | |
1366 | v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); | |
186b250a JM |
1367 | } |
1368 | ||
5c76c2c3 | 1369 | if (stop) { |
7cbb105f | 1370 | struct coda_buffer_meta *meta; |
846ced9c | 1371 | |
f4706d6e PZ |
1372 | if (ctx->ops->seq_end_work) { |
1373 | queue_work(dev->workqueue, &ctx->seq_end_work); | |
1374 | flush_work(&ctx->seq_end_work); | |
1375 | } | |
47f3fa63 | 1376 | spin_lock_irqsave(&ctx->buffer_meta_lock, flags); |
7cbb105f PZ |
1377 | while (!list_empty(&ctx->buffer_meta_list)) { |
1378 | meta = list_first_entry(&ctx->buffer_meta_list, | |
1379 | struct coda_buffer_meta, list); | |
1380 | list_del(&meta->list); | |
1381 | kfree(meta); | |
846ced9c | 1382 | } |
47f3fa63 PZ |
1383 | ctx->num_metas = 0; |
1384 | spin_unlock_irqrestore(&ctx->buffer_meta_lock, flags); | |
918c66fd PZ |
1385 | kfifo_init(&ctx->bitstream_fifo, |
1386 | ctx->bitstream.vaddr, ctx->bitstream.size); | |
1387 | ctx->runcounter = 0; | |
f157cf49 | 1388 | ctx->aborting = 0; |
918c66fd | 1389 | } |
c1ae0b28 PZ |
1390 | |
1391 | if (!ctx->streamon_out && !ctx->streamon_cap) | |
1392 | ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG; | |
186b250a JM |
1393 | } |
1394 | ||
121cacf4 | 1395 | static const struct vb2_ops coda_qops = { |
186b250a JM |
1396 | .queue_setup = coda_queue_setup, |
1397 | .buf_prepare = coda_buf_prepare, | |
1398 | .buf_queue = coda_buf_queue, | |
186b250a JM |
1399 | .start_streaming = coda_start_streaming, |
1400 | .stop_streaming = coda_stop_streaming, | |
152ea1c8 PZ |
1401 | .wait_prepare = vb2_ops_wait_prepare, |
1402 | .wait_finish = vb2_ops_wait_finish, | |
186b250a JM |
1403 | }; |
1404 | ||
1405 | static int coda_s_ctrl(struct v4l2_ctrl *ctrl) | |
1406 | { | |
1407 | struct coda_ctx *ctx = | |
1408 | container_of(ctrl->handler, struct coda_ctx, ctrls); | |
1409 | ||
1410 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1411 | "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val); | |
1412 | ||
1413 | switch (ctrl->id) { | |
8f35c7bc PZ |
1414 | case V4L2_CID_HFLIP: |
1415 | if (ctrl->val) | |
1416 | ctx->params.rot_mode |= CODA_MIR_HOR; | |
1417 | else | |
1418 | ctx->params.rot_mode &= ~CODA_MIR_HOR; | |
1419 | break; | |
1420 | case V4L2_CID_VFLIP: | |
1421 | if (ctrl->val) | |
1422 | ctx->params.rot_mode |= CODA_MIR_VER; | |
1423 | else | |
1424 | ctx->params.rot_mode &= ~CODA_MIR_VER; | |
1425 | break; | |
186b250a JM |
1426 | case V4L2_CID_MPEG_VIDEO_BITRATE: |
1427 | ctx->params.bitrate = ctrl->val / 1000; | |
1428 | break; | |
1429 | case V4L2_CID_MPEG_VIDEO_GOP_SIZE: | |
1430 | ctx->params.gop_size = ctrl->val; | |
1431 | break; | |
1432 | case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP: | |
1433 | ctx->params.h264_intra_qp = ctrl->val; | |
1434 | break; | |
1435 | case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP: | |
1436 | ctx->params.h264_inter_qp = ctrl->val; | |
1437 | break; | |
1a5567e3 PZ |
1438 | case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: |
1439 | ctx->params.h264_min_qp = ctrl->val; | |
1440 | break; | |
1441 | case V4L2_CID_MPEG_VIDEO_H264_MAX_QP: | |
1442 | ctx->params.h264_max_qp = ctrl->val; | |
1443 | break; | |
de23b1db PZ |
1444 | case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA: |
1445 | ctx->params.h264_deblk_alpha = ctrl->val; | |
1446 | break; | |
1447 | case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA: | |
1448 | ctx->params.h264_deblk_beta = ctrl->val; | |
1449 | break; | |
1450 | case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE: | |
1451 | ctx->params.h264_deblk_enabled = (ctrl->val == | |
1452 | V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED); | |
1453 | break; | |
186b250a JM |
1454 | case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP: |
1455 | ctx->params.mpeg4_intra_qp = ctrl->val; | |
1456 | break; | |
1457 | case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP: | |
1458 | ctx->params.mpeg4_inter_qp = ctrl->val; | |
1459 | break; | |
1460 | case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE: | |
1461 | ctx->params.slice_mode = ctrl->val; | |
1462 | break; | |
1463 | case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB: | |
1464 | ctx->params.slice_max_mb = ctrl->val; | |
1465 | break; | |
c566c789 PZ |
1466 | case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES: |
1467 | ctx->params.slice_max_bits = ctrl->val * 8; | |
1468 | break; | |
186b250a JM |
1469 | case V4L2_CID_MPEG_VIDEO_HEADER_MODE: |
1470 | break; | |
f38f79d5 PZ |
1471 | case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB: |
1472 | ctx->params.intra_refresh = ctrl->val; | |
1473 | break; | |
cb1d3a33 PZ |
1474 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: |
1475 | coda_set_jpeg_compression_quality(ctx, ctrl->val); | |
1476 | break; | |
1477 | case V4L2_CID_JPEG_RESTART_INTERVAL: | |
1478 | ctx->params.jpeg_restart_interval = ctrl->val; | |
1479 | break; | |
da2b3b3e PZ |
1480 | case V4L2_CID_MPEG_VIDEO_VBV_DELAY: |
1481 | ctx->params.vbv_delay = ctrl->val; | |
1482 | break; | |
1483 | case V4L2_CID_MPEG_VIDEO_VBV_SIZE: | |
1484 | ctx->params.vbv_size = min(ctrl->val * 8192, 0x7fffffff); | |
1485 | break; | |
186b250a JM |
1486 | default: |
1487 | v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, | |
1488 | "Invalid control, id=%d, val=%d\n", | |
1489 | ctrl->id, ctrl->val); | |
1490 | return -EINVAL; | |
1491 | } | |
1492 | ||
1493 | return 0; | |
1494 | } | |
1495 | ||
814c3762 | 1496 | static const struct v4l2_ctrl_ops coda_ctrl_ops = { |
186b250a JM |
1497 | .s_ctrl = coda_s_ctrl, |
1498 | }; | |
1499 | ||
bfc732f6 | 1500 | static void coda_encode_ctrls(struct coda_ctx *ctx) |
186b250a | 1501 | { |
186b250a | 1502 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
92b042ec | 1503 | V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0); |
186b250a JM |
1504 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
1505 | V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16); | |
1506 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
594a750b | 1507 | V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25); |
186b250a | 1508 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
594a750b | 1509 | V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25); |
1a5567e3 PZ |
1510 | if (ctx->dev->devtype->product != CODA_960) { |
1511 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1512 | V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12); | |
1513 | } | |
1514 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1515 | V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51); | |
de23b1db PZ |
1516 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
1517 | V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0); | |
1518 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1519 | V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0); | |
1520 | v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, | |
1521 | V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, | |
1522 | V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0, | |
1523 | V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED); | |
186b250a JM |
1524 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
1525 | V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2); | |
1526 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1527 | V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2); | |
1528 | v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, | |
1529 | V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE, | |
c566c789 PZ |
1530 | V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0, |
1531 | V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE); | |
186b250a JM |
1532 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
1533 | V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1); | |
c566c789 | 1534 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
f23797b6 PZ |
1535 | V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1, |
1536 | 500); | |
186b250a JM |
1537 | v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, |
1538 | V4L2_CID_MPEG_VIDEO_HEADER_MODE, | |
1539 | V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME, | |
1540 | (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE), | |
1541 | V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME); | |
f38f79d5 | 1542 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
f23797b6 PZ |
1543 | V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0, |
1544 | 1920 * 1088 / 256, 1, 0); | |
da2b3b3e PZ |
1545 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, |
1546 | V4L2_CID_MPEG_VIDEO_VBV_DELAY, 0, 0x7fff, 1, 0); | |
1547 | /* | |
1548 | * The maximum VBV size value is 0x7fffffff bits, | |
1549 | * one bit less than 262144 KiB | |
1550 | */ | |
1551 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1552 | V4L2_CID_MPEG_VIDEO_VBV_SIZE, 0, 262144, 1, 0); | |
bfc732f6 PZ |
1553 | } |
1554 | ||
cb1d3a33 PZ |
1555 | static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx) |
1556 | { | |
1557 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1558 | V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50); | |
1559 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1560 | V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0); | |
1561 | } | |
1562 | ||
bfc732f6 PZ |
1563 | static int coda_ctrls_setup(struct coda_ctx *ctx) |
1564 | { | |
1565 | v4l2_ctrl_handler_init(&ctx->ctrls, 2); | |
1566 | ||
1567 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1568 | V4L2_CID_HFLIP, 0, 1, 1, 0); | |
1569 | v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, | |
1570 | V4L2_CID_VFLIP, 0, 1, 1, 0); | |
cb1d3a33 PZ |
1571 | if (ctx->inst_type == CODA_INST_ENCODER) { |
1572 | if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG) | |
1573 | coda_jpeg_encode_ctrls(ctx); | |
1574 | else | |
1575 | coda_encode_ctrls(ctx); | |
1576 | } | |
186b250a JM |
1577 | |
1578 | if (ctx->ctrls.error) { | |
f23797b6 PZ |
1579 | v4l2_err(&ctx->dev->v4l2_dev, |
1580 | "control initialization error (%d)", | |
186b250a JM |
1581 | ctx->ctrls.error); |
1582 | return -EINVAL; | |
1583 | } | |
1584 | ||
1585 | return v4l2_ctrl_handler_setup(&ctx->ctrls); | |
1586 | } | |
1587 | ||
121cacf4 PZ |
1588 | static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq) |
1589 | { | |
1590 | vq->drv_priv = ctx; | |
1591 | vq->ops = &coda_qops; | |
1592 | vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); | |
1593 | vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; | |
1594 | vq->lock = &ctx->dev->dev_mutex; | |
e4af23d3 KD |
1595 | /* One way to indicate end-of-stream for coda is to set the |
1596 | * bytesused == 0. However by default videobuf2 handles bytesused | |
1597 | * equal to 0 as a special case and changes its value to the size | |
1598 | * of the buffer. Set the allow_zero_bytesused flag, so | |
1599 | * that videobuf2 will keep the value of bytesused intact. | |
1600 | */ | |
1601 | vq->allow_zero_bytesused = 1; | |
121cacf4 PZ |
1602 | |
1603 | return vb2_queue_init(vq); | |
1604 | } | |
1605 | ||
79924ca9 PZ |
1606 | int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq, |
1607 | struct vb2_queue *dst_vq) | |
186b250a | 1608 | { |
186b250a JM |
1609 | int ret; |
1610 | ||
186b250a | 1611 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
d29a8cf2 | 1612 | src_vq->io_modes = VB2_DMABUF | VB2_MMAP; |
186b250a JM |
1613 | src_vq->mem_ops = &vb2_dma_contig_memops; |
1614 | ||
121cacf4 | 1615 | ret = coda_queue_init(priv, src_vq); |
186b250a JM |
1616 | if (ret) |
1617 | return ret; | |
1618 | ||
186b250a | 1619 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
d29a8cf2 | 1620 | dst_vq->io_modes = VB2_DMABUF | VB2_MMAP; |
186b250a JM |
1621 | dst_vq->mem_ops = &vb2_dma_contig_memops; |
1622 | ||
121cacf4 PZ |
1623 | return coda_queue_init(priv, dst_vq); |
1624 | } | |
1625 | ||
79924ca9 PZ |
1626 | int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq, |
1627 | struct vb2_queue *dst_vq) | |
121cacf4 PZ |
1628 | { |
1629 | int ret; | |
1630 | ||
1631 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
bb04aa6f PZ |
1632 | src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR; |
1633 | src_vq->mem_ops = &vb2_vmalloc_memops; | |
121cacf4 PZ |
1634 | |
1635 | ret = coda_queue_init(priv, src_vq); | |
1636 | if (ret) | |
1637 | return ret; | |
1638 | ||
1639 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1640 | dst_vq->io_modes = VB2_DMABUF | VB2_MMAP; | |
1641 | dst_vq->mem_ops = &vb2_dma_contig_memops; | |
1642 | ||
1643 | return coda_queue_init(priv, dst_vq); | |
186b250a JM |
1644 | } |
1645 | ||
e11f3e6e PZ |
1646 | static int coda_next_free_instance(struct coda_dev *dev) |
1647 | { | |
0cddc7e9 PZ |
1648 | int idx = ffz(dev->instance_mask); |
1649 | ||
1650 | if ((idx < 0) || | |
1651 | (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES)) | |
1652 | return -EBUSY; | |
1653 | ||
1654 | return idx; | |
e11f3e6e PZ |
1655 | } |
1656 | ||
2c11d1bd PZ |
1657 | /* |
1658 | * File operations | |
1659 | */ | |
1660 | ||
1661 | static int coda_open(struct file *file) | |
186b250a | 1662 | { |
2c11d1bd PZ |
1663 | struct video_device *vdev = video_devdata(file); |
1664 | struct coda_dev *dev = video_get_drvdata(vdev); | |
186b250a | 1665 | struct coda_ctx *ctx = NULL; |
f61c0b14 | 1666 | char *name; |
918c66fd | 1667 | int ret; |
e11f3e6e | 1668 | int idx; |
186b250a | 1669 | |
f23797b6 | 1670 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
186b250a JM |
1671 | if (!ctx) |
1672 | return -ENOMEM; | |
1673 | ||
f82bc203 | 1674 | idx = coda_next_free_instance(dev); |
0cddc7e9 PZ |
1675 | if (idx < 0) { |
1676 | ret = idx; | |
f82bc203 FE |
1677 | goto err_coda_max; |
1678 | } | |
1679 | set_bit(idx, &dev->instance_mask); | |
1680 | ||
f61c0b14 | 1681 | name = kasprintf(GFP_KERNEL, "context%d", idx); |
a7f933a5 PS |
1682 | if (!name) { |
1683 | ret = -ENOMEM; | |
1684 | goto err_coda_name_init; | |
1685 | } | |
1686 | ||
f61c0b14 PZ |
1687 | ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root); |
1688 | kfree(name); | |
1689 | ||
2c11d1bd PZ |
1690 | ctx->cvd = to_coda_video_device(vdev); |
1691 | ctx->inst_type = ctx->cvd->type; | |
1692 | ctx->ops = ctx->cvd->ops; | |
a22496c6 | 1693 | ctx->use_bit = !ctx->cvd->direct; |
32b6f206 PZ |
1694 | init_completion(&ctx->completion); |
1695 | INIT_WORK(&ctx->pic_run_work, coda_pic_run_work); | |
747d7646 PZ |
1696 | if (ctx->ops->seq_end_work) |
1697 | INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work); | |
186b250a JM |
1698 | v4l2_fh_init(&ctx->fh, video_devdata(file)); |
1699 | file->private_data = &ctx->fh; | |
1700 | v4l2_fh_add(&ctx->fh); | |
1701 | ctx->dev = dev; | |
e11f3e6e | 1702 | ctx->idx = idx; |
5677e3b0 | 1703 | switch (dev->devtype->product) { |
89548441 | 1704 | case CODA_960: |
2bf299cd PZ |
1705 | ctx->frame_mem_ctrl = 1 << 12; |
1706 | /* fallthrough */ | |
1707 | case CODA_7541: | |
5677e3b0 PZ |
1708 | ctx->reg_idx = 0; |
1709 | break; | |
1710 | default: | |
1711 | ctx->reg_idx = idx; | |
1712 | } | |
f82bc203 | 1713 | |
1e172731 PZ |
1714 | /* Power up and upload firmware if necessary */ |
1715 | ret = pm_runtime_get_sync(&dev->plat_dev->dev); | |
1716 | if (ret < 0) { | |
1717 | v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret); | |
1718 | goto err_pm_get; | |
1719 | } | |
1720 | ||
79830db2 FE |
1721 | ret = clk_prepare_enable(dev->clk_per); |
1722 | if (ret) | |
1723 | goto err_clk_per; | |
1724 | ||
1725 | ret = clk_prepare_enable(dev->clk_ahb); | |
1726 | if (ret) | |
1727 | goto err_clk_ahb; | |
1728 | ||
186b250a | 1729 | set_default_params(ctx); |
a1192a17 PZ |
1730 | ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, |
1731 | ctx->ops->queue_init); | |
14604e3a PZ |
1732 | if (IS_ERR(ctx->fh.m2m_ctx)) { |
1733 | ret = PTR_ERR(ctx->fh.m2m_ctx); | |
186b250a JM |
1734 | |
1735 | v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n", | |
1736 | __func__, ret); | |
f82bc203 | 1737 | goto err_ctx_init; |
186b250a | 1738 | } |
152ea1c8 | 1739 | |
186b250a JM |
1740 | ret = coda_ctrls_setup(ctx); |
1741 | if (ret) { | |
1742 | v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n"); | |
f82bc203 | 1743 | goto err_ctrls_setup; |
186b250a JM |
1744 | } |
1745 | ||
1746 | ctx->fh.ctrl_handler = &ctx->ctrls; | |
1747 | ||
9082a7c6 | 1748 | mutex_init(&ctx->bitstream_mutex); |
918c66fd | 1749 | mutex_init(&ctx->buffer_mutex); |
7cbb105f | 1750 | INIT_LIST_HEAD(&ctx->buffer_meta_list); |
47f3fa63 | 1751 | spin_lock_init(&ctx->buffer_meta_lock); |
9082a7c6 | 1752 | |
186b250a | 1753 | coda_lock(ctx); |
e11f3e6e | 1754 | list_add(&ctx->list, &dev->instances); |
186b250a JM |
1755 | coda_unlock(ctx); |
1756 | ||
186b250a JM |
1757 | v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n", |
1758 | ctx->idx, ctx); | |
1759 | ||
1760 | return 0; | |
1761 | ||
f82bc203 | 1762 | err_ctrls_setup: |
14604e3a | 1763 | v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); |
f82bc203 FE |
1764 | err_ctx_init: |
1765 | clk_disable_unprepare(dev->clk_ahb); | |
79830db2 | 1766 | err_clk_ahb: |
f82bc203 | 1767 | clk_disable_unprepare(dev->clk_per); |
79830db2 | 1768 | err_clk_per: |
1e172731 PZ |
1769 | pm_runtime_put_sync(&dev->plat_dev->dev); |
1770 | err_pm_get: | |
186b250a JM |
1771 | v4l2_fh_del(&ctx->fh); |
1772 | v4l2_fh_exit(&ctx->fh); | |
f82bc203 | 1773 | clear_bit(ctx->idx, &dev->instance_mask); |
a7f933a5 | 1774 | err_coda_name_init: |
f82bc203 | 1775 | err_coda_max: |
186b250a JM |
1776 | kfree(ctx); |
1777 | return ret; | |
1778 | } | |
1779 | ||
1780 | static int coda_release(struct file *file) | |
1781 | { | |
1782 | struct coda_dev *dev = video_drvdata(file); | |
1783 | struct coda_ctx *ctx = fh_to_ctx(file->private_data); | |
1784 | ||
1785 | v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n", | |
1786 | ctx); | |
1787 | ||
a22496c6 | 1788 | if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) |
d4bb75f6 PZ |
1789 | coda_bit_stream_end_flag(ctx); |
1790 | ||
918c66fd | 1791 | /* If this instance is running, call .job_abort and wait for it to end */ |
14604e3a | 1792 | v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); |
918c66fd PZ |
1793 | |
1794 | /* In case the instance was not running, we still need to call SEQ_END */ | |
5c718bb3 | 1795 | if (ctx->ops->seq_end_work) { |
32b6f206 PZ |
1796 | queue_work(dev->workqueue, &ctx->seq_end_work); |
1797 | flush_work(&ctx->seq_end_work); | |
918c66fd | 1798 | } |
918c66fd | 1799 | |
186b250a | 1800 | coda_lock(ctx); |
e11f3e6e | 1801 | list_del(&ctx->list); |
186b250a JM |
1802 | coda_unlock(ctx); |
1803 | ||
5677e3b0 PZ |
1804 | if (ctx->dev->devtype->product == CODA_DX6) |
1805 | coda_free_aux_buf(dev, &ctx->workbuf); | |
1806 | ||
186b250a | 1807 | v4l2_ctrl_handler_free(&ctx->ctrls); |
186b250a | 1808 | clk_disable_unprepare(dev->clk_ahb); |
f82bc203 | 1809 | clk_disable_unprepare(dev->clk_per); |
1e172731 | 1810 | pm_runtime_put_sync(&dev->plat_dev->dev); |
186b250a JM |
1811 | v4l2_fh_del(&ctx->fh); |
1812 | v4l2_fh_exit(&ctx->fh); | |
e11f3e6e | 1813 | clear_bit(ctx->idx, &dev->instance_mask); |
58b7677d PZ |
1814 | if (ctx->ops->release) |
1815 | ctx->ops->release(ctx); | |
e1519e86 | 1816 | debugfs_remove_recursive(ctx->debugfs_entry); |
186b250a JM |
1817 | kfree(ctx); |
1818 | ||
1819 | return 0; | |
1820 | } | |
1821 | ||
2c11d1bd | 1822 | static const struct v4l2_file_operations coda_fops = { |
121cacf4 | 1823 | .owner = THIS_MODULE, |
2c11d1bd | 1824 | .open = coda_open, |
186b250a | 1825 | .release = coda_release, |
152ea1c8 | 1826 | .poll = v4l2_m2m_fop_poll, |
186b250a | 1827 | .unlocked_ioctl = video_ioctl2, |
152ea1c8 | 1828 | .mmap = v4l2_m2m_fop_mmap, |
186b250a JM |
1829 | }; |
1830 | ||
87048bb4 | 1831 | static int coda_hw_init(struct coda_dev *dev) |
186b250a | 1832 | { |
186b250a JM |
1833 | u32 data; |
1834 | u16 *p; | |
79830db2 FE |
1835 | int i, ret; |
1836 | ||
1837 | ret = clk_prepare_enable(dev->clk_per); | |
1838 | if (ret) | |
1e172731 | 1839 | goto err_clk_per; |
186b250a | 1840 | |
79830db2 FE |
1841 | ret = clk_prepare_enable(dev->clk_ahb); |
1842 | if (ret) | |
1843 | goto err_clk_ahb; | |
186b250a | 1844 | |
8f45284c PZ |
1845 | if (dev->rstc) |
1846 | reset_control_reset(dev->rstc); | |
1847 | ||
186b250a JM |
1848 | /* |
1849 | * Copy the first CODA_ISRAM_SIZE in the internal SRAM. | |
87048bb4 PZ |
1850 | * The 16-bit chars in the code buffer are in memory access |
1851 | * order, re-sort them to CODA order for register download. | |
186b250a JM |
1852 | * Data in this SRAM survives a reboot. |
1853 | */ | |
87048bb4 PZ |
1854 | p = (u16 *)dev->codebuf.vaddr; |
1855 | if (dev->devtype->product == CODA_DX6) { | |
1856 | for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) { | |
1857 | data = CODA_DOWN_ADDRESS_SET(i) | | |
1858 | CODA_DOWN_DATA_SET(p[i ^ 1]); | |
1859 | coda_write(dev, data, CODA_REG_BIT_CODE_DOWN); | |
1860 | } | |
1861 | } else { | |
1862 | for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) { | |
1863 | data = CODA_DOWN_ADDRESS_SET(i) | | |
1864 | CODA_DOWN_DATA_SET(p[round_down(i, 4) + | |
1865 | 3 - (i % 4)]); | |
1866 | coda_write(dev, data, CODA_REG_BIT_CODE_DOWN); | |
1867 | } | |
186b250a | 1868 | } |
186b250a | 1869 | |
9acf7693 PZ |
1870 | /* Clear registers */ |
1871 | for (i = 0; i < 64; i++) | |
1872 | coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4); | |
1873 | ||
186b250a | 1874 | /* Tell the BIT where to find everything it needs */ |
89548441 PZ |
1875 | if (dev->devtype->product == CODA_960 || |
1876 | dev->devtype->product == CODA_7541) { | |
5677e3b0 PZ |
1877 | coda_write(dev, dev->tempbuf.paddr, |
1878 | CODA_REG_BIT_TEMP_BUF_ADDR); | |
918c66fd | 1879 | coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM); |
5677e3b0 PZ |
1880 | } else { |
1881 | coda_write(dev, dev->workbuf.paddr, | |
1882 | CODA_REG_BIT_WORK_BUF_ADDR); | |
1883 | } | |
186b250a JM |
1884 | coda_write(dev, dev->codebuf.paddr, |
1885 | CODA_REG_BIT_CODE_BUF_ADDR); | |
1886 | coda_write(dev, 0, CODA_REG_BIT_CODE_RUN); | |
1887 | ||
1888 | /* Set default values */ | |
1889 | switch (dev->devtype->product) { | |
1890 | case CODA_DX6: | |
f23797b6 PZ |
1891 | coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH, |
1892 | CODA_REG_BIT_STREAM_CTRL); | |
186b250a JM |
1893 | break; |
1894 | default: | |
f23797b6 PZ |
1895 | coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH, |
1896 | CODA_REG_BIT_STREAM_CTRL); | |
186b250a | 1897 | } |
89548441 PZ |
1898 | if (dev->devtype->product == CODA_960) |
1899 | coda_write(dev, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL); | |
1900 | else | |
1901 | coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL); | |
1043667b PZ |
1902 | |
1903 | if (dev->devtype->product != CODA_DX6) | |
1904 | coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE); | |
1905 | ||
186b250a JM |
1906 | coda_write(dev, CODA_INT_INTERRUPT_ENABLE, |
1907 | CODA_REG_BIT_INT_ENABLE); | |
1908 | ||
1909 | /* Reset VPU and start processor */ | |
1910 | data = coda_read(dev, CODA_REG_BIT_CODE_RESET); | |
1911 | data |= CODA_REG_RESET_ENABLE; | |
1912 | coda_write(dev, data, CODA_REG_BIT_CODE_RESET); | |
1913 | udelay(10); | |
1914 | data &= ~CODA_REG_RESET_ENABLE; | |
1915 | coda_write(dev, data, CODA_REG_BIT_CODE_RESET); | |
1916 | coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN); | |
1917 | ||
fe7554e6 PZ |
1918 | clk_disable_unprepare(dev->clk_ahb); |
1919 | clk_disable_unprepare(dev->clk_per); | |
1920 | ||
1921 | return 0; | |
1922 | ||
1923 | err_clk_ahb: | |
1924 | clk_disable_unprepare(dev->clk_per); | |
1925 | err_clk_per: | |
1926 | return ret; | |
1927 | } | |
1928 | ||
2c11d1bd | 1929 | static int coda_register_device(struct coda_dev *dev, int i) |
121cacf4 | 1930 | { |
2c11d1bd PZ |
1931 | struct video_device *vfd = &dev->vfd[i]; |
1932 | ||
88ca3af4 | 1933 | if (i >= dev->devtype->num_vdevs) |
2c11d1bd PZ |
1934 | return -EINVAL; |
1935 | ||
bf249daf | 1936 | strlcpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name)); |
2c11d1bd PZ |
1937 | vfd->fops = &coda_fops; |
1938 | vfd->ioctl_ops = &coda_ioctl_ops; | |
121cacf4 PZ |
1939 | vfd->release = video_device_release_empty, |
1940 | vfd->lock = &dev->dev_mutex; | |
1941 | vfd->v4l2_dev = &dev->v4l2_dev; | |
1942 | vfd->vfl_dir = VFL_DIR_M2M; | |
1943 | video_set_drvdata(vfd, dev); | |
1944 | ||
a188a668 PZ |
1945 | /* Not applicable, use the selection API instead */ |
1946 | v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP); | |
1947 | v4l2_disable_ioctl(vfd, VIDIOC_G_CROP); | |
1948 | v4l2_disable_ioctl(vfd, VIDIOC_S_CROP); | |
1949 | ||
121cacf4 PZ |
1950 | return video_register_device(vfd, VFL_TYPE_GRABBER, 0); |
1951 | } | |
1952 | ||
a1a87fa3 PZ |
1953 | static void coda_copy_firmware(struct coda_dev *dev, const u8 * const buf, |
1954 | size_t size) | |
1955 | { | |
1956 | u32 *src = (u32 *)buf; | |
1957 | ||
1958 | /* Check if the firmware has a 16-byte Freescale header, skip it */ | |
1959 | if (buf[0] == 'M' && buf[1] == 'X') | |
1960 | src += 4; | |
1961 | /* | |
1962 | * Check whether the firmware is in native order or pre-reordered for | |
1963 | * memory access. The first instruction opcode always is 0xe40e. | |
1964 | */ | |
1965 | if (__le16_to_cpup((__le16 *)src) == 0xe40e) { | |
1966 | u32 *dst = dev->codebuf.vaddr; | |
1967 | int i; | |
1968 | ||
1969 | /* Firmware in native order, reorder while copying */ | |
1970 | if (dev->devtype->product == CODA_DX6) { | |
1971 | for (i = 0; i < (size - 16) / 4; i++) | |
1972 | dst[i] = (src[i] << 16) | (src[i] >> 16); | |
1973 | } else { | |
1974 | for (i = 0; i < (size - 16) / 4; i += 2) { | |
1975 | dst[i] = (src[i + 1] << 16) | (src[i + 1] >> 16); | |
1976 | dst[i + 1] = (src[i] << 16) | (src[i] >> 16); | |
1977 | } | |
1978 | } | |
1979 | } else { | |
1980 | /* Copy the already reordered firmware image */ | |
1981 | memcpy(dev->codebuf.vaddr, src, size); | |
1982 | } | |
1983 | } | |
1984 | ||
2ac7f08e PZ |
1985 | static void coda_fw_callback(const struct firmware *fw, void *context); |
1986 | ||
1987 | static int coda_firmware_request(struct coda_dev *dev) | |
1988 | { | |
1989 | char *fw = dev->devtype->firmware[dev->firmware]; | |
1990 | ||
1991 | dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw, | |
1992 | coda_product_name(dev->devtype->product)); | |
1993 | ||
1994 | return request_firmware_nowait(THIS_MODULE, true, fw, | |
1995 | &dev->plat_dev->dev, GFP_KERNEL, dev, | |
1996 | coda_fw_callback); | |
1997 | } | |
1998 | ||
186b250a JM |
1999 | static void coda_fw_callback(const struct firmware *fw, void *context) |
2000 | { | |
2001 | struct coda_dev *dev = context; | |
2002 | struct platform_device *pdev = dev->plat_dev; | |
2c11d1bd | 2003 | int i, ret; |
186b250a | 2004 | |
2ac7f08e | 2005 | if (!fw && dev->firmware == 1) { |
186b250a | 2006 | v4l2_err(&dev->v4l2_dev, "firmware request failed\n"); |
c5d28e29 | 2007 | goto put_pm; |
186b250a | 2008 | } |
2ac7f08e PZ |
2009 | if (!fw) { |
2010 | dev->firmware = 1; | |
2011 | coda_firmware_request(dev); | |
2012 | return; | |
2013 | } | |
2014 | if (dev->firmware == 1) { | |
2015 | /* | |
2016 | * Since we can't suppress warnings for failed asynchronous | |
2017 | * firmware requests, report that the fallback firmware was | |
2018 | * found. | |
2019 | */ | |
2020 | dev_info(&pdev->dev, "Using fallback firmware %s\n", | |
2021 | dev->devtype->firmware[dev->firmware]); | |
2022 | } | |
186b250a JM |
2023 | |
2024 | /* allocate auxiliary per-device code buffer for the BIT processor */ | |
f61c0b14 PZ |
2025 | ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf", |
2026 | dev->debugfs_root); | |
6ba53b81 | 2027 | if (ret < 0) |
c5d28e29 | 2028 | goto put_pm; |
186b250a | 2029 | |
a1a87fa3 | 2030 | coda_copy_firmware(dev, fw->data, fw->size); |
87048bb4 PZ |
2031 | release_firmware(fw); |
2032 | ||
c5d28e29 UH |
2033 | ret = coda_hw_init(dev); |
2034 | if (ret < 0) { | |
2035 | v4l2_err(&dev->v4l2_dev, "HW initialization failed\n"); | |
2036 | goto put_pm; | |
186b250a JM |
2037 | } |
2038 | ||
c5d28e29 UH |
2039 | ret = coda_check_firmware(dev); |
2040 | if (ret < 0) | |
2041 | goto put_pm; | |
2042 | ||
186b250a JM |
2043 | dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); |
2044 | if (IS_ERR(dev->alloc_ctx)) { | |
2045 | v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n"); | |
c5d28e29 | 2046 | goto put_pm; |
186b250a JM |
2047 | } |
2048 | ||
2049 | dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops); | |
2050 | if (IS_ERR(dev->m2m_dev)) { | |
2051 | v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n"); | |
2052 | goto rel_ctx; | |
2053 | } | |
2054 | ||
2c11d1bd PZ |
2055 | for (i = 0; i < dev->devtype->num_vdevs; i++) { |
2056 | ret = coda_register_device(dev, i); | |
2057 | if (ret) { | |
2058 | v4l2_err(&dev->v4l2_dev, | |
2059 | "Failed to register %s video device: %d\n", | |
2060 | dev->devtype->vdevs[i]->name, ret); | |
2061 | goto rel_vfd; | |
2062 | } | |
121cacf4 PZ |
2063 | } |
2064 | ||
2065 | v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video[%d-%d]\n", | |
2c11d1bd | 2066 | dev->vfd[0].num, dev->vfd[i - 1].num); |
186b250a | 2067 | |
c5d28e29 | 2068 | pm_runtime_put_sync(&pdev->dev); |
186b250a JM |
2069 | return; |
2070 | ||
2c11d1bd PZ |
2071 | rel_vfd: |
2072 | while (--i >= 0) | |
2073 | video_unregister_device(&dev->vfd[i]); | |
186b250a JM |
2074 | v4l2_m2m_release(dev->m2m_dev); |
2075 | rel_ctx: | |
2076 | vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); | |
c5d28e29 UH |
2077 | put_pm: |
2078 | pm_runtime_put_sync(&pdev->dev); | |
186b250a JM |
2079 | } |
2080 | ||
186b250a JM |
2081 | enum coda_platform { |
2082 | CODA_IMX27, | |
df1e74cc | 2083 | CODA_IMX53, |
89548441 PZ |
2084 | CODA_IMX6Q, |
2085 | CODA_IMX6DL, | |
186b250a JM |
2086 | }; |
2087 | ||
c06d8752 | 2088 | static const struct coda_devtype coda_devdata[] = { |
186b250a | 2089 | [CODA_IMX27] = { |
2ac7f08e PZ |
2090 | .firmware = { |
2091 | "vpu_fw_imx27_TO2.bin", | |
2092 | "v4l-codadx6-imx27.bin" | |
2093 | }, | |
e5b0d1c6 PZ |
2094 | .product = CODA_DX6, |
2095 | .codecs = codadx6_codecs, | |
2096 | .num_codecs = ARRAY_SIZE(codadx6_codecs), | |
2c11d1bd PZ |
2097 | .vdevs = codadx6_video_devices, |
2098 | .num_vdevs = ARRAY_SIZE(codadx6_video_devices), | |
e5b0d1c6 | 2099 | .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024, |
401e972f | 2100 | .iram_size = 0xb000, |
186b250a | 2101 | }, |
df1e74cc | 2102 | [CODA_IMX53] = { |
2ac7f08e PZ |
2103 | .firmware = { |
2104 | "vpu_fw_imx53.bin", | |
2105 | "v4l-coda7541-imx53.bin" | |
2106 | }, | |
e5b0d1c6 PZ |
2107 | .product = CODA_7541, |
2108 | .codecs = coda7_codecs, | |
2109 | .num_codecs = ARRAY_SIZE(coda7_codecs), | |
2c11d1bd PZ |
2110 | .vdevs = coda7_video_devices, |
2111 | .num_vdevs = ARRAY_SIZE(coda7_video_devices), | |
e5b0d1c6 | 2112 | .workbuf_size = 128 * 1024, |
5d73fad1 | 2113 | .tempbuf_size = 304 * 1024, |
401e972f | 2114 | .iram_size = 0x14000, |
df1e74cc | 2115 | }, |
89548441 | 2116 | [CODA_IMX6Q] = { |
2ac7f08e PZ |
2117 | .firmware = { |
2118 | "vpu_fw_imx6q.bin", | |
2119 | "v4l-coda960-imx6q.bin" | |
2120 | }, | |
e5b0d1c6 PZ |
2121 | .product = CODA_960, |
2122 | .codecs = coda9_codecs, | |
2123 | .num_codecs = ARRAY_SIZE(coda9_codecs), | |
2c11d1bd PZ |
2124 | .vdevs = coda9_video_devices, |
2125 | .num_vdevs = ARRAY_SIZE(coda9_video_devices), | |
e5b0d1c6 | 2126 | .workbuf_size = 80 * 1024, |
5d73fad1 | 2127 | .tempbuf_size = 204 * 1024, |
401e972f | 2128 | .iram_size = 0x21000, |
89548441 PZ |
2129 | }, |
2130 | [CODA_IMX6DL] = { | |
2ac7f08e PZ |
2131 | .firmware = { |
2132 | "vpu_fw_imx6d.bin", | |
2133 | "v4l-coda960-imx6dl.bin" | |
2134 | }, | |
e5b0d1c6 PZ |
2135 | .product = CODA_960, |
2136 | .codecs = coda9_codecs, | |
2137 | .num_codecs = ARRAY_SIZE(coda9_codecs), | |
2c11d1bd PZ |
2138 | .vdevs = coda9_video_devices, |
2139 | .num_vdevs = ARRAY_SIZE(coda9_video_devices), | |
e5b0d1c6 | 2140 | .workbuf_size = 80 * 1024, |
5d73fad1 | 2141 | .tempbuf_size = 204 * 1024, |
401e972f | 2142 | .iram_size = 0x20000, |
89548441 | 2143 | }, |
186b250a JM |
2144 | }; |
2145 | ||
2146 | static struct platform_device_id coda_platform_ids[] = { | |
2147 | { .name = "coda-imx27", .driver_data = CODA_IMX27 }, | |
2148 | { /* sentinel */ } | |
2149 | }; | |
2150 | MODULE_DEVICE_TABLE(platform, coda_platform_ids); | |
2151 | ||
2152 | #ifdef CONFIG_OF | |
2153 | static const struct of_device_id coda_dt_ids[] = { | |
7b0dd9e6 | 2154 | { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] }, |
df1e74cc | 2155 | { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] }, |
89548441 PZ |
2156 | { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] }, |
2157 | { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] }, | |
186b250a JM |
2158 | { /* sentinel */ } |
2159 | }; | |
2160 | MODULE_DEVICE_TABLE(of, coda_dt_ids); | |
2161 | #endif | |
2162 | ||
4c62e976 | 2163 | static int coda_probe(struct platform_device *pdev) |
186b250a JM |
2164 | { |
2165 | const struct of_device_id *of_id = | |
2166 | of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev); | |
2167 | const struct platform_device_id *pdev_id; | |
657eee7d PZ |
2168 | struct coda_platform_data *pdata = pdev->dev.platform_data; |
2169 | struct device_node *np = pdev->dev.of_node; | |
2170 | struct gen_pool *pool; | |
186b250a JM |
2171 | struct coda_dev *dev; |
2172 | struct resource *res; | |
2173 | int ret, irq; | |
2174 | ||
f23797b6 | 2175 | dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); |
6da999d9 | 2176 | if (!dev) |
186b250a | 2177 | return -ENOMEM; |
186b250a | 2178 | |
b2f91ae3 PZ |
2179 | pdev_id = of_id ? of_id->data : platform_get_device_id(pdev); |
2180 | ||
bc717d5e | 2181 | if (of_id) |
b2f91ae3 | 2182 | dev->devtype = of_id->data; |
bc717d5e | 2183 | else if (pdev_id) |
b2f91ae3 | 2184 | dev->devtype = &coda_devdata[pdev_id->driver_data]; |
bc717d5e PZ |
2185 | else |
2186 | return -EINVAL; | |
186b250a JM |
2187 | |
2188 | spin_lock_init(&dev->irqlock); | |
e11f3e6e | 2189 | INIT_LIST_HEAD(&dev->instances); |
186b250a JM |
2190 | |
2191 | dev->plat_dev = pdev; | |
2192 | dev->clk_per = devm_clk_get(&pdev->dev, "per"); | |
2193 | if (IS_ERR(dev->clk_per)) { | |
2194 | dev_err(&pdev->dev, "Could not get per clock\n"); | |
2195 | return PTR_ERR(dev->clk_per); | |
2196 | } | |
2197 | ||
2198 | dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); | |
2199 | if (IS_ERR(dev->clk_ahb)) { | |
2200 | dev_err(&pdev->dev, "Could not get ahb clock\n"); | |
2201 | return PTR_ERR(dev->clk_ahb); | |
2202 | } | |
2203 | ||
2204 | /* Get memory for physical registers */ | |
2205 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
611cbbfe PZ |
2206 | dev->regs_base = devm_ioremap_resource(&pdev->dev, res); |
2207 | if (IS_ERR(dev->regs_base)) | |
2208 | return PTR_ERR(dev->regs_base); | |
186b250a JM |
2209 | |
2210 | /* IRQ */ | |
540b72e4 PZ |
2211 | irq = platform_get_irq_byname(pdev, "bit"); |
2212 | if (irq < 0) | |
2213 | irq = platform_get_irq(pdev, 0); | |
186b250a JM |
2214 | if (irq < 0) { |
2215 | dev_err(&pdev->dev, "failed to get irq resource\n"); | |
7d37743a | 2216 | return irq; |
186b250a JM |
2217 | } |
2218 | ||
08c8d14e FE |
2219 | ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler, |
2220 | IRQF_ONESHOT, dev_name(&pdev->dev), dev); | |
2221 | if (ret < 0) { | |
2222 | dev_err(&pdev->dev, "failed to request irq: %d\n", ret); | |
2223 | return ret; | |
186b250a JM |
2224 | } |
2225 | ||
ee27aa90 | 2226 | dev->rstc = devm_reset_control_get_optional(&pdev->dev, NULL); |
8f45284c PZ |
2227 | if (IS_ERR(dev->rstc)) { |
2228 | ret = PTR_ERR(dev->rstc); | |
ee27aa90 | 2229 | if (ret == -ENOENT || ret == -ENOSYS) { |
8f45284c PZ |
2230 | dev->rstc = NULL; |
2231 | } else { | |
f23797b6 PZ |
2232 | dev_err(&pdev->dev, "failed get reset control: %d\n", |
2233 | ret); | |
8f45284c PZ |
2234 | return ret; |
2235 | } | |
2236 | } | |
2237 | ||
657eee7d | 2238 | /* Get IRAM pool from device tree or platform data */ |
abdd4a70 | 2239 | pool = of_gen_pool_get(np, "iram", 0); |
657eee7d | 2240 | if (!pool && pdata) |
73858173 | 2241 | pool = gen_pool_get(pdata->iram_dev, NULL); |
657eee7d PZ |
2242 | if (!pool) { |
2243 | dev_err(&pdev->dev, "iram pool not available\n"); | |
2244 | return -ENOMEM; | |
2245 | } | |
2246 | dev->iram_pool = pool; | |
2247 | ||
186b250a JM |
2248 | ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); |
2249 | if (ret) | |
2250 | return ret; | |
2251 | ||
2252 | mutex_init(&dev->dev_mutex); | |
fcb62825 | 2253 | mutex_init(&dev->coda_mutex); |
186b250a | 2254 | |
f61c0b14 PZ |
2255 | dev->debugfs_root = debugfs_create_dir("coda", NULL); |
2256 | if (!dev->debugfs_root) | |
2257 | dev_warn(&pdev->dev, "failed to create debugfs root\n"); | |
2258 | ||
186b250a | 2259 | /* allocate auxiliary per-device buffers for the BIT processor */ |
5d73fad1 | 2260 | if (dev->devtype->product == CODA_DX6) { |
5677e3b0 | 2261 | ret = coda_alloc_aux_buf(dev, &dev->workbuf, |
e5b0d1c6 | 2262 | dev->devtype->workbuf_size, "workbuf", |
f61c0b14 | 2263 | dev->debugfs_root); |
6ba53b81 | 2264 | if (ret < 0) |
b7bd660a | 2265 | goto err_v4l2_register; |
186b250a | 2266 | } |
5d73fad1 PZ |
2267 | |
2268 | if (dev->devtype->tempbuf_size) { | |
5677e3b0 | 2269 | ret = coda_alloc_aux_buf(dev, &dev->tempbuf, |
5d73fad1 | 2270 | dev->devtype->tempbuf_size, "tempbuf", |
f61c0b14 | 2271 | dev->debugfs_root); |
6ba53b81 | 2272 | if (ret < 0) |
b7bd660a | 2273 | goto err_v4l2_register; |
186b250a JM |
2274 | } |
2275 | ||
401e972f | 2276 | dev->iram.size = dev->devtype->iram_size; |
b313bcc9 PZ |
2277 | dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size, |
2278 | &dev->iram.paddr); | |
2279 | if (!dev->iram.vaddr) { | |
8be31c89 PZ |
2280 | dev_warn(&pdev->dev, "unable to alloc iram\n"); |
2281 | } else { | |
811a6934 | 2282 | memset(dev->iram.vaddr, 0, dev->iram.size); |
8be31c89 PZ |
2283 | dev->iram.blob.data = dev->iram.vaddr; |
2284 | dev->iram.blob.size = dev->iram.size; | |
2285 | dev->iram.dentry = debugfs_create_blob("iram", 0644, | |
2286 | dev->debugfs_root, | |
2287 | &dev->iram.blob); | |
1043667b PZ |
2288 | } |
2289 | ||
32b6f206 PZ |
2290 | dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1); |
2291 | if (!dev->workqueue) { | |
2292 | dev_err(&pdev->dev, "unable to alloc workqueue\n"); | |
74d08d55 FE |
2293 | ret = -ENOMEM; |
2294 | goto err_v4l2_register; | |
32b6f206 PZ |
2295 | } |
2296 | ||
186b250a JM |
2297 | platform_set_drvdata(pdev, dev); |
2298 | ||
c5d28e29 UH |
2299 | /* |
2300 | * Start activated so we can directly call coda_hw_init in | |
e243c7c1 | 2301 | * coda_fw_callback regardless of whether CONFIG_PM is |
c5d28e29 UH |
2302 | * enabled or whether the device is associated with a PM domain. |
2303 | */ | |
2304 | pm_runtime_get_noresume(&pdev->dev); | |
2305 | pm_runtime_set_active(&pdev->dev); | |
1e172731 PZ |
2306 | pm_runtime_enable(&pdev->dev); |
2307 | ||
186b250a | 2308 | return coda_firmware_request(dev); |
b7bd660a FE |
2309 | |
2310 | err_v4l2_register: | |
2311 | v4l2_device_unregister(&dev->v4l2_dev); | |
2312 | return ret; | |
186b250a JM |
2313 | } |
2314 | ||
2315 | static int coda_remove(struct platform_device *pdev) | |
2316 | { | |
2317 | struct coda_dev *dev = platform_get_drvdata(pdev); | |
2c11d1bd | 2318 | int i; |
186b250a | 2319 | |
2c11d1bd PZ |
2320 | for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) { |
2321 | if (video_get_drvdata(&dev->vfd[i])) | |
2322 | video_unregister_device(&dev->vfd[i]); | |
2323 | } | |
186b250a JM |
2324 | if (dev->m2m_dev) |
2325 | v4l2_m2m_release(dev->m2m_dev); | |
1e172731 | 2326 | pm_runtime_disable(&pdev->dev); |
186b250a JM |
2327 | if (dev->alloc_ctx) |
2328 | vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); | |
2329 | v4l2_device_unregister(&dev->v4l2_dev); | |
32b6f206 | 2330 | destroy_workqueue(dev->workqueue); |
b313bcc9 PZ |
2331 | if (dev->iram.vaddr) |
2332 | gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr, | |
2333 | dev->iram.size); | |
5677e3b0 PZ |
2334 | coda_free_aux_buf(dev, &dev->codebuf); |
2335 | coda_free_aux_buf(dev, &dev->tempbuf); | |
2336 | coda_free_aux_buf(dev, &dev->workbuf); | |
f61c0b14 | 2337 | debugfs_remove_recursive(dev->debugfs_root); |
186b250a JM |
2338 | return 0; |
2339 | } | |
2340 | ||
e243c7c1 | 2341 | #ifdef CONFIG_PM |
1e172731 PZ |
2342 | static int coda_runtime_resume(struct device *dev) |
2343 | { | |
2344 | struct coda_dev *cdev = dev_get_drvdata(dev); | |
2345 | int ret = 0; | |
2346 | ||
65919e6b | 2347 | if (dev->pm_domain && cdev->codebuf.vaddr) { |
1e172731 PZ |
2348 | ret = coda_hw_init(cdev); |
2349 | if (ret) | |
2350 | v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n"); | |
2351 | } | |
2352 | ||
2353 | return ret; | |
2354 | } | |
2355 | #endif | |
2356 | ||
2357 | static const struct dev_pm_ops coda_pm_ops = { | |
2358 | SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL) | |
2359 | }; | |
2360 | ||
186b250a JM |
2361 | static struct platform_driver coda_driver = { |
2362 | .probe = coda_probe, | |
4c62e976 | 2363 | .remove = coda_remove, |
186b250a JM |
2364 | .driver = { |
2365 | .name = CODA_NAME, | |
186b250a | 2366 | .of_match_table = of_match_ptr(coda_dt_ids), |
1e172731 | 2367 | .pm = &coda_pm_ops, |
186b250a JM |
2368 | }, |
2369 | .id_table = coda_platform_ids, | |
2370 | }; | |
2371 | ||
2372 | module_platform_driver(coda_driver); | |
2373 | ||
2374 | MODULE_LICENSE("GPL"); | |
2375 | MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>"); | |
2376 | MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver"); |