This source file includes following definitions.
- ipc_open_param_str
- ipc_decode_param_str
- is_stream_error
- err_str
- delta_mjpeg_check_status
- delta_mjpeg_ipc_open
- delta_mjpeg_ipc_decode
- delta_mjpeg_open
- delta_mjpeg_close
- delta_mjpeg_get_streaminfo
- delta_mjpeg_decode
- delta_mjpeg_get_frame
1
2
3
4
5
6
7 #include <linux/slab.h>
8
9 #include "delta.h"
10 #include "delta-ipc.h"
11 #include "delta-mjpeg.h"
12 #include "delta-mjpeg-fw.h"
13
14 #define DELTA_MJPEG_MAX_RESO DELTA_MAX_RESO
15
16 struct delta_mjpeg_ctx {
17
18 struct mjpeg_header header_struct;
19 struct mjpeg_header *header;
20
21
22 void *ipc_hdl;
23 struct delta_buf *ipc_buf;
24
25
26 struct delta_frame *out_frame;
27
28 unsigned char str[3000];
29 };
30
31 #define to_ctx(ctx) ((struct delta_mjpeg_ctx *)(ctx)->priv)
32
33 static char *ipc_open_param_str(struct jpeg_video_decode_init_params_t *p,
34 char *str, unsigned int len)
35 {
36 char *b = str;
37
38 if (!p)
39 return "";
40
41 b += snprintf(b, len,
42 "jpeg_video_decode_init_params_t\n"
43 "circular_buffer_begin_addr_p 0x%x\n"
44 "circular_buffer_end_addr_p 0x%x\n",
45 p->circular_buffer_begin_addr_p,
46 p->circular_buffer_end_addr_p);
47
48 return str;
49 }
50
51 static char *ipc_decode_param_str(struct jpeg_decode_params_t *p,
52 char *str, unsigned int len)
53 {
54 char *b = str;
55
56 if (!p)
57 return "";
58
59 b += snprintf(b, len,
60 "jpeg_decode_params_t\n"
61 "picture_start_addr_p 0x%x\n"
62 "picture_end_addr_p 0x%x\n"
63 "decoding_mode %d\n"
64 "display_buffer_addr.display_decimated_luma_p 0x%x\n"
65 "display_buffer_addr.display_decimated_chroma_p 0x%x\n"
66 "main_aux_enable %d\n"
67 "additional_flags 0x%x\n"
68 "field_flag %x\n"
69 "is_jpeg_image %x\n",
70 p->picture_start_addr_p,
71 p->picture_end_addr_p,
72 p->decoding_mode,
73 p->display_buffer_addr.display_decimated_luma_p,
74 p->display_buffer_addr.display_decimated_chroma_p,
75 p->main_aux_enable, p->additional_flags,
76 p->field_flag,
77 p->is_jpeg_image);
78
79 return str;
80 }
81
82 static inline bool is_stream_error(enum jpeg_decoding_error_t err)
83 {
84 switch (err) {
85 case JPEG_DECODER_UNDEFINED_HUFF_TABLE:
86 case JPEG_DECODER_BAD_RESTART_MARKER:
87 case JPEG_DECODER_BAD_SOS_SPECTRAL:
88 case JPEG_DECODER_BAD_SOS_SUCCESSIVE:
89 case JPEG_DECODER_BAD_HEADER_LENGTH:
90 case JPEG_DECODER_BAD_COUNT_VALUE:
91 case JPEG_DECODER_BAD_DHT_MARKER:
92 case JPEG_DECODER_BAD_INDEX_VALUE:
93 case JPEG_DECODER_BAD_NUMBER_HUFFMAN_TABLES:
94 case JPEG_DECODER_BAD_QUANT_TABLE_LENGTH:
95 case JPEG_DECODER_BAD_NUMBER_QUANT_TABLES:
96 case JPEG_DECODER_BAD_COMPONENT_COUNT:
97 return true;
98 default:
99 return false;
100 }
101 }
102
103 static inline const char *err_str(enum jpeg_decoding_error_t err)
104 {
105 switch (err) {
106 case JPEG_DECODER_NO_ERROR:
107 return "JPEG_DECODER_NO_ERROR";
108 case JPEG_DECODER_UNDEFINED_HUFF_TABLE:
109 return "JPEG_DECODER_UNDEFINED_HUFF_TABLE";
110 case JPEG_DECODER_UNSUPPORTED_MARKER:
111 return "JPEG_DECODER_UNSUPPORTED_MARKER";
112 case JPEG_DECODER_UNABLE_ALLOCATE_MEMORY:
113 return "JPEG_DECODER_UNABLE_ALLOCATE_MEMORY";
114 case JPEG_DECODER_NON_SUPPORTED_SAMP_FACTORS:
115 return "JPEG_DECODER_NON_SUPPORTED_SAMP_FACTORS";
116 case JPEG_DECODER_BAD_PARAMETER:
117 return "JPEG_DECODER_BAD_PARAMETER";
118 case JPEG_DECODER_DECODE_ERROR:
119 return "JPEG_DECODER_DECODE_ERROR";
120 case JPEG_DECODER_BAD_RESTART_MARKER:
121 return "JPEG_DECODER_BAD_RESTART_MARKER";
122 case JPEG_DECODER_UNSUPPORTED_COLORSPACE:
123 return "JPEG_DECODER_UNSUPPORTED_COLORSPACE";
124 case JPEG_DECODER_BAD_SOS_SPECTRAL:
125 return "JPEG_DECODER_BAD_SOS_SPECTRAL";
126 case JPEG_DECODER_BAD_SOS_SUCCESSIVE:
127 return "JPEG_DECODER_BAD_SOS_SUCCESSIVE";
128 case JPEG_DECODER_BAD_HEADER_LENGTH:
129 return "JPEG_DECODER_BAD_HEADER_LENGTH";
130 case JPEG_DECODER_BAD_COUNT_VALUE:
131 return "JPEG_DECODER_BAD_COUNT_VALUE";
132 case JPEG_DECODER_BAD_DHT_MARKER:
133 return "JPEG_DECODER_BAD_DHT_MARKER";
134 case JPEG_DECODER_BAD_INDEX_VALUE:
135 return "JPEG_DECODER_BAD_INDEX_VALUE";
136 case JPEG_DECODER_BAD_NUMBER_HUFFMAN_TABLES:
137 return "JPEG_DECODER_BAD_NUMBER_HUFFMAN_TABLES";
138 case JPEG_DECODER_BAD_QUANT_TABLE_LENGTH:
139 return "JPEG_DECODER_BAD_QUANT_TABLE_LENGTH";
140 case JPEG_DECODER_BAD_NUMBER_QUANT_TABLES:
141 return "JPEG_DECODER_BAD_NUMBER_QUANT_TABLES";
142 case JPEG_DECODER_BAD_COMPONENT_COUNT:
143 return "JPEG_DECODER_BAD_COMPONENT_COUNT";
144 case JPEG_DECODER_DIVIDE_BY_ZERO_ERROR:
145 return "JPEG_DECODER_DIVIDE_BY_ZERO_ERROR";
146 case JPEG_DECODER_NOT_JPG_IMAGE:
147 return "JPEG_DECODER_NOT_JPG_IMAGE";
148 case JPEG_DECODER_UNSUPPORTED_ROTATION_ANGLE:
149 return "JPEG_DECODER_UNSUPPORTED_ROTATION_ANGLE";
150 case JPEG_DECODER_UNSUPPORTED_SCALING:
151 return "JPEG_DECODER_UNSUPPORTED_SCALING";
152 case JPEG_DECODER_INSUFFICIENT_OUTPUTBUFFER_SIZE:
153 return "JPEG_DECODER_INSUFFICIENT_OUTPUTBUFFER_SIZE";
154 case JPEG_DECODER_BAD_HWCFG_GP_VERSION_VALUE:
155 return "JPEG_DECODER_BAD_HWCFG_GP_VERSION_VALUE";
156 case JPEG_DECODER_BAD_VALUE_FROM_RED:
157 return "JPEG_DECODER_BAD_VALUE_FROM_RED";
158 case JPEG_DECODER_BAD_SUBREGION_PARAMETERS:
159 return "JPEG_DECODER_BAD_SUBREGION_PARAMETERS";
160 case JPEG_DECODER_PROGRESSIVE_DECODE_NOT_SUPPORTED:
161 return "JPEG_DECODER_PROGRESSIVE_DECODE_NOT_SUPPORTED";
162 case JPEG_DECODER_ERROR_TASK_TIMEOUT:
163 return "JPEG_DECODER_ERROR_TASK_TIMEOUT";
164 case JPEG_DECODER_ERROR_FEATURE_NOT_SUPPORTED:
165 return "JPEG_DECODER_ERROR_FEATURE_NOT_SUPPORTED";
166 default:
167 return "!unknown MJPEG error!";
168 }
169 }
170
171 static bool delta_mjpeg_check_status(struct delta_ctx *pctx,
172 struct jpeg_decode_return_params_t *status)
173 {
174 struct delta_dev *delta = pctx->dev;
175 bool dump = false;
176
177 if (status->error_code == JPEG_DECODER_NO_ERROR)
178 goto out;
179
180 if (is_stream_error(status->error_code)) {
181 dev_warn_ratelimited(delta->dev,
182 "%s firmware: stream error @ frame %d (%s)\n",
183 pctx->name, pctx->decoded_frames,
184 err_str(status->error_code));
185 pctx->stream_errors++;
186 } else {
187 dev_warn_ratelimited(delta->dev,
188 "%s firmware: decode error @ frame %d (%s)\n",
189 pctx->name, pctx->decoded_frames,
190 err_str(status->error_code));
191 pctx->decode_errors++;
192 dump = true;
193 }
194
195 out:
196 dev_dbg(delta->dev,
197 "%s firmware: decoding time(us)=%d\n", pctx->name,
198 status->decode_time_in_us);
199
200 return dump;
201 }
202
203 static int delta_mjpeg_ipc_open(struct delta_ctx *pctx)
204 {
205 struct delta_dev *delta = pctx->dev;
206 struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
207 int ret = 0;
208 struct jpeg_video_decode_init_params_t params_struct;
209 struct jpeg_video_decode_init_params_t *params = ¶ms_struct;
210 struct delta_buf *ipc_buf;
211 u32 ipc_buf_size;
212 struct delta_ipc_param ipc_param;
213 void *hdl;
214
215 memset(params, 0, sizeof(*params));
216 params->circular_buffer_begin_addr_p = 0x00000000;
217 params->circular_buffer_end_addr_p = 0xffffffff;
218
219 dev_vdbg(delta->dev,
220 "%s %s\n", pctx->name,
221 ipc_open_param_str(params, ctx->str, sizeof(ctx->str)));
222
223 ipc_param.size = sizeof(*params);
224 ipc_param.data = params;
225 ipc_buf_size = sizeof(struct jpeg_decode_params_t) +
226 sizeof(struct jpeg_decode_return_params_t);
227 ret = delta_ipc_open(pctx, "JPEG_DECODER_HW0", &ipc_param,
228 ipc_buf_size, &ipc_buf, &hdl);
229 if (ret) {
230 dev_err(delta->dev,
231 "%s dumping command %s\n", pctx->name,
232 ipc_open_param_str(params, ctx->str, sizeof(ctx->str)));
233 return ret;
234 }
235
236 ctx->ipc_buf = ipc_buf;
237 ctx->ipc_hdl = hdl;
238
239 return 0;
240 }
241
242 static int delta_mjpeg_ipc_decode(struct delta_ctx *pctx, struct delta_au *au)
243 {
244 struct delta_dev *delta = pctx->dev;
245 struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
246 int ret = 0;
247 struct jpeg_decode_params_t *params = ctx->ipc_buf->vaddr;
248 struct jpeg_decode_return_params_t *status =
249 ctx->ipc_buf->vaddr + sizeof(*params);
250 struct delta_frame *frame;
251 struct delta_ipc_param ipc_param, ipc_status;
252
253 ret = delta_get_free_frame(pctx, &frame);
254 if (ret)
255 return ret;
256
257 memset(params, 0, sizeof(*params));
258
259 params->picture_start_addr_p = (u32)(au->paddr);
260 params->picture_end_addr_p = (u32)(au->paddr + au->size - 1);
261
262
263
264
265
266
267
268
269 params->main_aux_enable = JPEG_DISP_AUX_EN;
270 params->additional_flags = JPEG_ADDITIONAL_FLAG_420MB;
271 params->horizontal_decimation_factor = JPEG_HDEC_1;
272 params->vertical_decimation_factor = JPEG_VDEC_1;
273 params->decoding_mode = JPEG_NORMAL_DECODE;
274
275 params->display_buffer_addr.struct_size =
276 sizeof(struct jpeg_display_buffer_address_t);
277 params->display_buffer_addr.display_decimated_luma_p =
278 (u32)frame->paddr;
279 params->display_buffer_addr.display_decimated_chroma_p =
280 (u32)(frame->paddr
281 + frame->info.aligned_width * frame->info.aligned_height);
282
283 dev_vdbg(delta->dev,
284 "%s %s\n", pctx->name,
285 ipc_decode_param_str(params, ctx->str, sizeof(ctx->str)));
286
287
288 memset(status, 0, sizeof(*status));
289 status->error_code = JPEG_DECODER_NO_ERROR;
290
291 ipc_param.size = sizeof(*params);
292 ipc_param.data = params;
293 ipc_status.size = sizeof(*status);
294 ipc_status.data = status;
295 ret = delta_ipc_decode(ctx->ipc_hdl, &ipc_param, &ipc_status);
296 if (ret) {
297 dev_err(delta->dev,
298 "%s dumping command %s\n", pctx->name,
299 ipc_decode_param_str(params, ctx->str,
300 sizeof(ctx->str)));
301 return ret;
302 }
303
304 pctx->decoded_frames++;
305
306
307 if (delta_mjpeg_check_status(pctx, status)) {
308 dev_err(delta->dev,
309 "%s dumping command %s\n", pctx->name,
310 ipc_decode_param_str(params, ctx->str,
311 sizeof(ctx->str)));
312 }
313
314 frame->field = V4L2_FIELD_NONE;
315 frame->flags = V4L2_BUF_FLAG_KEYFRAME;
316 frame->state |= DELTA_FRAME_DEC;
317
318 ctx->out_frame = frame;
319
320 return 0;
321 }
322
323 static int delta_mjpeg_open(struct delta_ctx *pctx)
324 {
325 struct delta_mjpeg_ctx *ctx;
326
327 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
328 if (!ctx)
329 return -ENOMEM;
330 pctx->priv = ctx;
331
332 return 0;
333 }
334
335 static int delta_mjpeg_close(struct delta_ctx *pctx)
336 {
337 struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
338
339 if (ctx->ipc_hdl) {
340 delta_ipc_close(ctx->ipc_hdl);
341 ctx->ipc_hdl = NULL;
342 }
343
344 kfree(ctx);
345
346 return 0;
347 }
348
349 static int delta_mjpeg_get_streaminfo(struct delta_ctx *pctx,
350 struct delta_streaminfo *streaminfo)
351 {
352 struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
353
354 if (!ctx->header)
355 goto nodata;
356
357 streaminfo->streamformat = V4L2_PIX_FMT_MJPEG;
358 streaminfo->width = ctx->header->frame_width;
359 streaminfo->height = ctx->header->frame_height;
360
361
362 streaminfo->field = V4L2_FIELD_NONE;
363
364 streaminfo->dpb = 1;
365
366 return 0;
367
368 nodata:
369 return -ENODATA;
370 }
371
372 static int delta_mjpeg_decode(struct delta_ctx *pctx, struct delta_au *pau)
373 {
374 struct delta_dev *delta = pctx->dev;
375 struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
376 int ret;
377 struct delta_au au = *pau;
378 unsigned int data_offset = 0;
379 struct mjpeg_header *header = &ctx->header_struct;
380
381 if (!ctx->header) {
382 ret = delta_mjpeg_read_header(pctx, au.vaddr, au.size,
383 header, &data_offset);
384 if (ret) {
385 pctx->stream_errors++;
386 goto err;
387 }
388 if (header->frame_width * header->frame_height >
389 DELTA_MJPEG_MAX_RESO) {
390 dev_err(delta->dev,
391 "%s stream resolution too large: %dx%d > %d pixels budget\n",
392 pctx->name,
393 header->frame_width,
394 header->frame_height, DELTA_MJPEG_MAX_RESO);
395 ret = -EINVAL;
396 goto err;
397 }
398 ctx->header = header;
399 goto out;
400 }
401
402 if (!ctx->ipc_hdl) {
403 ret = delta_mjpeg_ipc_open(pctx);
404 if (ret)
405 goto err;
406 }
407
408 ret = delta_mjpeg_read_header(pctx, au.vaddr, au.size,
409 ctx->header, &data_offset);
410 if (ret) {
411 pctx->stream_errors++;
412 goto err;
413 }
414
415 au.paddr += data_offset;
416 au.vaddr += data_offset;
417
418 ret = delta_mjpeg_ipc_decode(pctx, &au);
419 if (ret)
420 goto err;
421
422 out:
423 return 0;
424
425 err:
426 return ret;
427 }
428
429 static int delta_mjpeg_get_frame(struct delta_ctx *pctx,
430 struct delta_frame **frame)
431 {
432 struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
433
434 if (!ctx->out_frame)
435 return -ENODATA;
436
437 *frame = ctx->out_frame;
438
439 ctx->out_frame = NULL;
440
441 return 0;
442 }
443
444 const struct delta_dec mjpegdec = {
445 .name = "MJPEG",
446 .streamformat = V4L2_PIX_FMT_MJPEG,
447 .pixelformat = V4L2_PIX_FMT_NV12,
448 .open = delta_mjpeg_open,
449 .close = delta_mjpeg_close,
450 .get_streaminfo = delta_mjpeg_get_streaminfo,
451 .get_frameinfo = delta_get_frameinfo_default,
452 .decode = delta_mjpeg_decode,
453 .get_frame = delta_mjpeg_get_frame,
454 .recycle = delta_recycle_default,
455 };