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Add linux-next specific files for 20110831
[linux-2.6/next.git] / drivers / media / video / s5p-mfc / s5p_mfc_opr.c
blob7b239168c1995b68403f24b22a43e73632f4ac10
1 /*
2 * drivers/media/video/samsung/mfc5/s5p_mfc_opr.c
3 *
4 * Samsung MFC (Multi Function Codec - FIMV) driver
5 * This file contains hw related functions.
6 *
7 * Kamil Debski, Copyright (c) 2011 Samsung Electronics
8 * http://www.samsung.com/
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #include "regs-mfc.h"
16 #include "s5p_mfc_cmd.h"
17 #include "s5p_mfc_common.h"
18 #include "s5p_mfc_ctrl.h"
19 #include "s5p_mfc_debug.h"
20 #include "s5p_mfc_intr.h"
21 #include "s5p_mfc_opr.h"
22 #include "s5p_mfc_pm.h"
23 #include "s5p_mfc_shm.h"
24 #include <asm/cacheflush.h>
25 #include <linux/delay.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/err.h>
28 #include <linux/firmware.h>
29 #include <linux/io.h>
30 #include <linux/jiffies.h>
31 #include <linux/mm.h>
32 #include <linux/sched.h>
33
34 #define OFFSETA(x) (((x) - dev->bank1) >> MFC_OFFSET_SHIFT)
35 #define OFFSETB(x) (((x) - dev->bank2) >> MFC_OFFSET_SHIFT)
36
37 /* Allocate temporary buffers for decoding */
38 int s5p_mfc_alloc_dec_temp_buffers(struct s5p_mfc_ctx *ctx)
39 {
40 void *desc_virt;
41 struct s5p_mfc_dev *dev = ctx->dev;
42
43 ctx->desc_buf = vb2_dma_contig_memops.alloc(
44 dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], DESC_BUF_SIZE);
45 if (IS_ERR_VALUE((int)ctx->desc_buf)) {
46 ctx->desc_buf = 0;
47 mfc_err("Allocating DESC buffer failed\n");
48 return -ENOMEM;
49 }
50 ctx->desc_phys = s5p_mfc_mem_cookie(
51 dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->desc_buf);
52 BUG_ON(ctx->desc_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
53 desc_virt = vb2_dma_contig_memops.vaddr(ctx->desc_buf);
54 if (desc_virt == NULL) {
55 vb2_dma_contig_memops.put(ctx->desc_buf);
56 ctx->desc_phys = 0;
57 ctx->desc_buf = 0;
58 mfc_err("Remapping DESC buffer failed\n");
59 return -ENOMEM;
60 }
61 memset(desc_virt, 0, DESC_BUF_SIZE);
62 wmb();
63 return 0;
64 }
65
66 /* Release temporary buffers for decoding */
67 void s5p_mfc_release_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
68 {
69 if (ctx->desc_phys) {
70 vb2_dma_contig_memops.put(ctx->desc_buf);
71 ctx->desc_phys = 0;
72 ctx->desc_buf = 0;
73 }
74 }
75
76 /* Allocate codec buffers */
77 int s5p_mfc_alloc_codec_buffers(struct s5p_mfc_ctx *ctx)
78 {
79 struct s5p_mfc_dev *dev = ctx->dev;
80 unsigned int enc_ref_y_size = 0;
81 unsigned int enc_ref_c_size = 0;
82 unsigned int guard_width, guard_height;
83
84 if (ctx->type == MFCINST_DECODER) {
85 mfc_debug(2, "Luma size:%d Chroma size:%d MV size:%d\n",
86 ctx->luma_size, ctx->chroma_size, ctx->mv_size);
87 mfc_debug(2, "Totals bufs: %d\n", ctx->total_dpb_count);
88 } else if (ctx->type == MFCINST_ENCODER) {
89 enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
90 * ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
91 enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
92
93 if (ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC) {
94 enc_ref_c_size = ALIGN(ctx->img_width,
95 S5P_FIMV_NV12MT_HALIGN)
96 * ALIGN(ctx->img_height >> 1,
97 S5P_FIMV_NV12MT_VALIGN);
98 enc_ref_c_size = ALIGN(enc_ref_c_size,
99 S5P_FIMV_NV12MT_SALIGN);
100 } else {
101 guard_width = ALIGN(ctx->img_width + 16,
102 S5P_FIMV_NV12MT_HALIGN);
103 guard_height = ALIGN((ctx->img_height >> 1) + 4,
104 S5P_FIMV_NV12MT_VALIGN);
105 enc_ref_c_size = ALIGN(guard_width * guard_height,
106 S5P_FIMV_NV12MT_SALIGN);
107 }
108 mfc_debug(2, "recon luma size: %d chroma size: %d\n",
109 enc_ref_y_size, enc_ref_c_size);
110 } else {
111 return -EINVAL;
112 }
113 /* Codecs have different memory requirements */
114 switch (ctx->codec_mode) {
115 case S5P_FIMV_CODEC_H264_DEC:
116 ctx->bank1_size =
117 ALIGN(S5P_FIMV_DEC_NB_IP_SIZE +
118 S5P_FIMV_DEC_VERT_NB_MV_SIZE,
119 S5P_FIMV_DEC_BUF_ALIGN);
120 ctx->bank2_size = ctx->total_dpb_count * ctx->mv_size;
121 break;
122 case S5P_FIMV_CODEC_MPEG4_DEC:
123 ctx->bank1_size =
124 ALIGN(S5P_FIMV_DEC_NB_DCAC_SIZE +
125 S5P_FIMV_DEC_UPNB_MV_SIZE +
126 S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
127 S5P_FIMV_DEC_STX_PARSER_SIZE +
128 S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE,
129 S5P_FIMV_DEC_BUF_ALIGN);
130 ctx->bank2_size = 0;
131 break;
132 case S5P_FIMV_CODEC_VC1RCV_DEC:
133 case S5P_FIMV_CODEC_VC1_DEC:
134 ctx->bank1_size =
135 ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
136 S5P_FIMV_DEC_UPNB_MV_SIZE +
137 S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
138 S5P_FIMV_DEC_NB_DCAC_SIZE +
139 3 * S5P_FIMV_DEC_VC1_BITPLANE_SIZE,
140 S5P_FIMV_DEC_BUF_ALIGN);
141 ctx->bank2_size = 0;
142 break;
143 case S5P_FIMV_CODEC_MPEG2_DEC:
144 ctx->bank1_size = 0;
145 ctx->bank2_size = 0;
146 break;
147 case S5P_FIMV_CODEC_H263_DEC:
148 ctx->bank1_size =
149 ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
150 S5P_FIMV_DEC_UPNB_MV_SIZE +
151 S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
152 S5P_FIMV_DEC_NB_DCAC_SIZE,
153 S5P_FIMV_DEC_BUF_ALIGN);
154 ctx->bank2_size = 0;
155 break;
156 case S5P_FIMV_CODEC_H264_ENC:
157 ctx->bank1_size = (enc_ref_y_size * 2) +
158 S5P_FIMV_ENC_UPMV_SIZE +
159 S5P_FIMV_ENC_COLFLG_SIZE +
160 S5P_FIMV_ENC_INTRAMD_SIZE +
161 S5P_FIMV_ENC_NBORINFO_SIZE;
162 ctx->bank2_size = (enc_ref_y_size * 2) +
163 (enc_ref_c_size * 4) +
164 S5P_FIMV_ENC_INTRAPRED_SIZE;
165 break;
166 case S5P_FIMV_CODEC_MPEG4_ENC:
167 ctx->bank1_size = (enc_ref_y_size * 2) +
168 S5P_FIMV_ENC_UPMV_SIZE +
169 S5P_FIMV_ENC_COLFLG_SIZE +
170 S5P_FIMV_ENC_ACDCCOEF_SIZE;
171 ctx->bank2_size = (enc_ref_y_size * 2) +
172 (enc_ref_c_size * 4);
173 break;
174 case S5P_FIMV_CODEC_H263_ENC:
175 ctx->bank1_size = (enc_ref_y_size * 2) +
176 S5P_FIMV_ENC_UPMV_SIZE +
177 S5P_FIMV_ENC_ACDCCOEF_SIZE;
178 ctx->bank2_size = (enc_ref_y_size * 2) +
179 (enc_ref_c_size * 4);
180 break;
181 default:
182 break;
183 }
184 /* Allocate only if memory from bank 1 is necessary */
185 if (ctx->bank1_size > 0) {
186 ctx->bank1_buf = vb2_dma_contig_memops.alloc(
187 dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_size);
188 if (IS_ERR(ctx->bank1_buf)) {
189 ctx->bank1_buf = 0;
190 printk(KERN_ERR
191 "Buf alloc for decoding failed (port A)\n");
192 return -ENOMEM;
193 }
194 ctx->bank1_phys = s5p_mfc_mem_cookie(
195 dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_buf);
196 BUG_ON(ctx->bank1_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
197 }
198 /* Allocate only if memory from bank 2 is necessary */
199 if (ctx->bank2_size > 0) {
200 ctx->bank2_buf = vb2_dma_contig_memops.alloc(
201 dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_size);
202 if (IS_ERR(ctx->bank2_buf)) {
203 ctx->bank2_buf = 0;
204 mfc_err("Buf alloc for decoding failed (port B)\n");
205 return -ENOMEM;
206 }
207 ctx->bank2_phys = s5p_mfc_mem_cookie(
208 dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_buf);
209 BUG_ON(ctx->bank2_phys & ((1 << MFC_BANK2_ALIGN_ORDER) - 1));
210 }
211 return 0;
212 }
213
214 /* Release buffers allocated for codec */
215 void s5p_mfc_release_codec_buffers(struct s5p_mfc_ctx *ctx)
216 {
217 if (ctx->bank1_buf) {
218 vb2_dma_contig_memops.put(ctx->bank1_buf);
219 ctx->bank1_buf = 0;
220 ctx->bank1_phys = 0;
221 ctx->bank1_size = 0;
222 }
223 if (ctx->bank2_buf) {
224 vb2_dma_contig_memops.put(ctx->bank2_buf);
225 ctx->bank2_buf = 0;
226 ctx->bank2_phys = 0;
227 ctx->bank2_size = 0;
228 }
229 }
230
231 /* Allocate memory for instance data buffer */
232 int s5p_mfc_alloc_instance_buffer(struct s5p_mfc_ctx *ctx)
233 {
234 void *context_virt;
235 struct s5p_mfc_dev *dev = ctx->dev;
236
237 if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC ||
238 ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC)
239 ctx->ctx_size = MFC_H264_CTX_BUF_SIZE;
240 else
241 ctx->ctx_size = MFC_CTX_BUF_SIZE;
242 ctx->ctx_buf = vb2_dma_contig_memops.alloc(
243 dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx_size);
244 if (IS_ERR(ctx->ctx_buf)) {
245 mfc_err("Allocating context buffer failed\n");
246 ctx->ctx_phys = 0;
247 ctx->ctx_buf = 0;
248 return -ENOMEM;
249 }
250 ctx->ctx_phys = s5p_mfc_mem_cookie(
251 dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx_buf);
252 BUG_ON(ctx->ctx_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
253 ctx->ctx_ofs = OFFSETA(ctx->ctx_phys);
254 context_virt = vb2_dma_contig_memops.vaddr(ctx->ctx_buf);
255 if (context_virt == NULL) {
256 mfc_err("Remapping instance buffer failed\n");
257 vb2_dma_contig_memops.put(ctx->ctx_buf);
258 ctx->ctx_phys = 0;
259 ctx->ctx_buf = 0;
260 return -ENOMEM;
261 }
262 /* Zero content of the allocated memory */
263 memset(context_virt, 0, ctx->ctx_size);
264 wmb();
265 if (s5p_mfc_init_shm(ctx) < 0) {
266 vb2_dma_contig_memops.put(ctx->ctx_buf);
267 ctx->ctx_phys = 0;
268 ctx->ctx_buf = 0;
269 return -ENOMEM;
270 }
271 return 0;
272 }
273
274 /* Release instance buffer */
275 void s5p_mfc_release_instance_buffer(struct s5p_mfc_ctx *ctx)
276 {
277 if (ctx->ctx_buf) {
278 vb2_dma_contig_memops.put(ctx->ctx_buf);
279 ctx->ctx_phys = 0;
280 ctx->ctx_buf = 0;
281 }
282 if (ctx->shm_alloc) {
283 vb2_dma_contig_memops.put(ctx->shm_alloc);
284 ctx->shm_alloc = 0;
285 ctx->shm = 0;
286 }
287 }
288
289 /* Set registers for decoding temporary buffers */
290 void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
291 {
292 struct s5p_mfc_dev *dev = ctx->dev;
293
294 mfc_write(dev, OFFSETA(ctx->desc_phys), S5P_FIMV_SI_CH0_DESC_ADR);
295 mfc_write(dev, DESC_BUF_SIZE, S5P_FIMV_SI_CH0_DESC_SIZE);
296 }
297
298 /* Set registers for shared buffer */
299 void s5p_mfc_set_shared_buffer(struct s5p_mfc_ctx *ctx)
300 {
301 struct s5p_mfc_dev *dev = ctx->dev;
302 mfc_write(dev, ctx->shm_ofs, S5P_FIMV_SI_CH0_HOST_WR_ADR);
303 }
304
305 /* Set registers for decoding stream buffer */
306 int s5p_mfc_set_dec_stream_buffer(struct s5p_mfc_ctx *ctx, int buf_addr,
307 unsigned int start_num_byte, unsigned int buf_size)
308 {
309 struct s5p_mfc_dev *dev = ctx->dev;
310
311 mfc_write(dev, OFFSETA(buf_addr), S5P_FIMV_SI_CH0_SB_ST_ADR);
312 mfc_write(dev, ctx->dec_src_buf_size, S5P_FIMV_SI_CH0_CPB_SIZE);
313 mfc_write(dev, buf_size, S5P_FIMV_SI_CH0_SB_FRM_SIZE);
314 s5p_mfc_write_shm(ctx, start_num_byte, START_BYTE_NUM);
315 return 0;
316 }
317
318 /* Set decoding frame buffer */
319 int s5p_mfc_set_dec_frame_buffer(struct s5p_mfc_ctx *ctx)
320 {
321 unsigned int frame_size, i;
322 unsigned int frame_size_ch, frame_size_mv;
323 struct s5p_mfc_dev *dev = ctx->dev;
324 unsigned int dpb;
325 size_t buf_addr1, buf_addr2;
326 int buf_size1, buf_size2;
327
328 buf_addr1 = ctx->bank1_phys;
329 buf_size1 = ctx->bank1_size;
330 buf_addr2 = ctx->bank2_phys;
331 buf_size2 = ctx->bank2_size;
332 dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
333 ~S5P_FIMV_DPB_COUNT_MASK;
334 mfc_write(dev, ctx->total_dpb_count | dpb,
335 S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
336 s5p_mfc_set_shared_buffer(ctx);
337 switch (ctx->codec_mode) {
338 case S5P_FIMV_CODEC_H264_DEC:
339 mfc_write(dev, OFFSETA(buf_addr1),
340 S5P_FIMV_H264_VERT_NB_MV_ADR);
341 buf_addr1 += S5P_FIMV_DEC_VERT_NB_MV_SIZE;
342 buf_size1 -= S5P_FIMV_DEC_VERT_NB_MV_SIZE;
343 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_NB_IP_ADR);
344 buf_addr1 += S5P_FIMV_DEC_NB_IP_SIZE;
345 buf_size1 -= S5P_FIMV_DEC_NB_IP_SIZE;
346 break;
347 case S5P_FIMV_CODEC_MPEG4_DEC:
348 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_NB_DCAC_ADR);
349 buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
350 buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
351 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_NB_MV_ADR);
352 buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
353 buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
354 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SA_MV_ADR);
355 buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
356 buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
357 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SP_ADR);
358 buf_addr1 += S5P_FIMV_DEC_STX_PARSER_SIZE;
359 buf_size1 -= S5P_FIMV_DEC_STX_PARSER_SIZE;
360 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_OT_LINE_ADR);
361 buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
362 buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
363 break;
364 case S5P_FIMV_CODEC_H263_DEC:
365 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_OT_LINE_ADR);
366 buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
367 buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
368 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_NB_MV_ADR);
369 buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
370 buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
371 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_SA_MV_ADR);
372 buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
373 buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
374 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_NB_DCAC_ADR);
375 buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
376 buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
377 break;
378 case S5P_FIMV_CODEC_VC1_DEC:
379 case S5P_FIMV_CODEC_VC1RCV_DEC:
380 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_NB_DCAC_ADR);
381 buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
382 buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
383 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_OT_LINE_ADR);
384 buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
385 buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
386 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_UP_NB_MV_ADR);
387 buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
388 buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
389 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_SA_MV_ADR);
390 buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
391 buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
392 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE3_ADR);
393 buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
394 buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
395 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE2_ADR);
396 buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
397 buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
398 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE1_ADR);
399 buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
400 buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
401 break;
402 case S5P_FIMV_CODEC_MPEG2_DEC:
403 break;
404 default:
405 mfc_err("Unknown codec for decoding (%x)\n",
406 ctx->codec_mode);
407 return -EINVAL;
408 break;
409 }
410 frame_size = ctx->luma_size;
411 frame_size_ch = ctx->chroma_size;
412 frame_size_mv = ctx->mv_size;
413 mfc_debug(2, "Frm size: %d ch: %d mv: %d\n", frame_size, frame_size_ch,
414 frame_size_mv);
415 for (i = 0; i < ctx->total_dpb_count; i++) {
416 /* Bank2 */
417 mfc_debug(2, "Luma %d: %x\n", i,
418 ctx->dst_bufs[i].cookie.raw.luma);
419 mfc_write(dev, OFFSETB(ctx->dst_bufs[i].cookie.raw.luma),
420 S5P_FIMV_DEC_LUMA_ADR + i * 4);
421 mfc_debug(2, "\tChroma %d: %x\n", i,
422 ctx->dst_bufs[i].cookie.raw.chroma);
423 mfc_write(dev, OFFSETA(ctx->dst_bufs[i].cookie.raw.chroma),
424 S5P_FIMV_DEC_CHROMA_ADR + i * 4);
425 if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC) {
426 mfc_debug(2, "\tBuf2: %x, size: %d\n",
427 buf_addr2, buf_size2);
428 mfc_write(dev, OFFSETB(buf_addr2),
429 S5P_FIMV_H264_MV_ADR + i * 4);
430 buf_addr2 += frame_size_mv;
431 buf_size2 -= frame_size_mv;
432 }
433 }
434 mfc_debug(2, "Buf1: %u, buf_size1: %d\n", buf_addr1, buf_size1);
435 mfc_debug(2, "Buf 1/2 size after: %d/%d (frames %d)\n",
436 buf_size1, buf_size2, ctx->total_dpb_count);
437 if (buf_size1 < 0 || buf_size2 < 0) {
438 mfc_debug(2, "Not enough memory has been allocated\n");
439 return -ENOMEM;
440 }
441 s5p_mfc_write_shm(ctx, frame_size, ALLOC_LUMA_DPB_SIZE);
442 s5p_mfc_write_shm(ctx, frame_size_ch, ALLOC_CHROMA_DPB_SIZE);
443 if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC)
444 s5p_mfc_write_shm(ctx, frame_size_mv, ALLOC_MV_SIZE);
445 mfc_write(dev, ((S5P_FIMV_CH_INIT_BUFS & S5P_FIMV_CH_MASK)
446 << S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
447 S5P_FIMV_SI_CH0_INST_ID);
448 return 0;
449 }
450
451 /* Set registers for encoding stream buffer */
452 int s5p_mfc_set_enc_stream_buffer(struct s5p_mfc_ctx *ctx,
453 unsigned long addr, unsigned int size)
454 {
455 struct s5p_mfc_dev *dev = ctx->dev;
456
457 mfc_write(dev, OFFSETA(addr), S5P_FIMV_ENC_SI_CH0_SB_ADR);
458 mfc_write(dev, size, S5P_FIMV_ENC_SI_CH0_SB_SIZE);
459 return 0;
460 }
461
462 void s5p_mfc_set_enc_frame_buffer(struct s5p_mfc_ctx *ctx,
463 unsigned long y_addr, unsigned long c_addr)
464 {
465 struct s5p_mfc_dev *dev = ctx->dev;
466
467 mfc_write(dev, OFFSETB(y_addr), S5P_FIMV_ENC_SI_CH0_CUR_Y_ADR);
468 mfc_write(dev, OFFSETB(c_addr), S5P_FIMV_ENC_SI_CH0_CUR_C_ADR);
469 }
470
471 void s5p_mfc_get_enc_frame_buffer(struct s5p_mfc_ctx *ctx,
472 unsigned long *y_addr, unsigned long *c_addr)
473 {
474 struct s5p_mfc_dev *dev = ctx->dev;
475
476 *y_addr = dev->bank2 + (mfc_read(dev, S5P_FIMV_ENCODED_Y_ADDR)
477 << MFC_OFFSET_SHIFT);
478 *c_addr = dev->bank2 + (mfc_read(dev, S5P_FIMV_ENCODED_C_ADDR)
479 << MFC_OFFSET_SHIFT);
480 }
481
482 /* Set encoding ref & codec buffer */
483 int s5p_mfc_set_enc_ref_buffer(struct s5p_mfc_ctx *ctx)
484 {
485 struct s5p_mfc_dev *dev = ctx->dev;
486 size_t buf_addr1, buf_addr2;
487 size_t buf_size1, buf_size2;
488 unsigned int enc_ref_y_size, enc_ref_c_size;
489 unsigned int guard_width, guard_height;
490 int i;
491
492 buf_addr1 = ctx->bank1_phys;
493 buf_size1 = ctx->bank1_size;
494 buf_addr2 = ctx->bank2_phys;
495 buf_size2 = ctx->bank2_size;
496 enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
497 * ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
498 enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
499 if (ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC) {
500 enc_ref_c_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
501 * ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12MT_VALIGN);
502 enc_ref_c_size = ALIGN(enc_ref_c_size, S5P_FIMV_NV12MT_SALIGN);
503 } else {
504 guard_width = ALIGN(ctx->img_width + 16,
505 S5P_FIMV_NV12MT_HALIGN);
506 guard_height = ALIGN((ctx->img_height >> 1) + 4,
507 S5P_FIMV_NV12MT_VALIGN);
508 enc_ref_c_size = ALIGN(guard_width * guard_height,
509 S5P_FIMV_NV12MT_SALIGN);
510 }
511 mfc_debug(2, "buf_size1: %d, buf_size2: %d\n", buf_size1, buf_size2);
512 switch (ctx->codec_mode) {
513 case S5P_FIMV_CODEC_H264_ENC:
514 for (i = 0; i < 2; i++) {
515 mfc_write(dev, OFFSETA(buf_addr1),
516 S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
517 buf_addr1 += enc_ref_y_size;
518 buf_size1 -= enc_ref_y_size;
519
520 mfc_write(dev, OFFSETB(buf_addr2),
521 S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
522 buf_addr2 += enc_ref_y_size;
523 buf_size2 -= enc_ref_y_size;
524 }
525 for (i = 0; i < 4; i++) {
526 mfc_write(dev, OFFSETB(buf_addr2),
527 S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
528 buf_addr2 += enc_ref_c_size;
529 buf_size2 -= enc_ref_c_size;
530 }
531 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_UP_MV_ADR);
532 buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
533 buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
534 mfc_write(dev, OFFSETA(buf_addr1),
535 S5P_FIMV_H264_COZERO_FLAG_ADR);
536 buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
537 buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
538 mfc_write(dev, OFFSETA(buf_addr1),
539 S5P_FIMV_H264_UP_INTRA_MD_ADR);
540 buf_addr1 += S5P_FIMV_ENC_INTRAMD_SIZE;
541 buf_size1 -= S5P_FIMV_ENC_INTRAMD_SIZE;
542 mfc_write(dev, OFFSETB(buf_addr2),
543 S5P_FIMV_H264_UP_INTRA_PRED_ADR);
544 buf_addr2 += S5P_FIMV_ENC_INTRAPRED_SIZE;
545 buf_size2 -= S5P_FIMV_ENC_INTRAPRED_SIZE;
546 mfc_write(dev, OFFSETA(buf_addr1),
547 S5P_FIMV_H264_NBOR_INFO_ADR);
548 buf_addr1 += S5P_FIMV_ENC_NBORINFO_SIZE;
549 buf_size1 -= S5P_FIMV_ENC_NBORINFO_SIZE;
550 mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
551 buf_size1, buf_size2);
552 break;
553 case S5P_FIMV_CODEC_MPEG4_ENC:
554 for (i = 0; i < 2; i++) {
555 mfc_write(dev, OFFSETA(buf_addr1),
556 S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
557 buf_addr1 += enc_ref_y_size;
558 buf_size1 -= enc_ref_y_size;
559 mfc_write(dev, OFFSETB(buf_addr2),
560 S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
561 buf_addr2 += enc_ref_y_size;
562 buf_size2 -= enc_ref_y_size;
563 }
564 for (i = 0; i < 4; i++) {
565 mfc_write(dev, OFFSETB(buf_addr2),
566 S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
567 buf_addr2 += enc_ref_c_size;
568 buf_size2 -= enc_ref_c_size;
569 }
570 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_MV_ADR);
571 buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
572 buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
573 mfc_write(dev, OFFSETA(buf_addr1),
574 S5P_FIMV_MPEG4_COZERO_FLAG_ADR);
575 buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
576 buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
577 mfc_write(dev, OFFSETA(buf_addr1),
578 S5P_FIMV_MPEG4_ACDC_COEF_ADR);
579 buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
580 buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
581 mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
582 buf_size1, buf_size2);
583 break;
584 case S5P_FIMV_CODEC_H263_ENC:
585 for (i = 0; i < 2; i++) {
586 mfc_write(dev, OFFSETA(buf_addr1),
587 S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
588 buf_addr1 += enc_ref_y_size;
589 buf_size1 -= enc_ref_y_size;
590 mfc_write(dev, OFFSETB(buf_addr2),
591 S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
592 buf_addr2 += enc_ref_y_size;
593 buf_size2 -= enc_ref_y_size;
594 }
595 for (i = 0; i < 4; i++) {
596 mfc_write(dev, OFFSETB(buf_addr2),
597 S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
598 buf_addr2 += enc_ref_c_size;
599 buf_size2 -= enc_ref_c_size;
600 }
601 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_MV_ADR);
602 buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
603 buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
604 mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_ACDC_COEF_ADR);
605 buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
606 buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
607 mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
608 buf_size1, buf_size2);
609 break;
610 default:
611 mfc_err("Unknown codec set for encoding: %d\n",
612 ctx->codec_mode);
613 return -EINVAL;
614 }
615 return 0;
616 }
617
618 static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
619 {
620 struct s5p_mfc_dev *dev = ctx->dev;
621 struct s5p_mfc_enc_params *p = &ctx->enc_params;
622 unsigned int reg;
623 unsigned int shm;
624
625 /* width */
626 mfc_write(dev, ctx->img_width, S5P_FIMV_ENC_HSIZE_PX);
627 /* height */
628 mfc_write(dev, ctx->img_height, S5P_FIMV_ENC_VSIZE_PX);
629 /* pictype : enable, IDR period */
630 reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
631 reg |= (1 << 18);
632 reg &= ~(0xFFFF);
633 reg |= p->gop_size;
634 mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
635 mfc_write(dev, 0, S5P_FIMV_ENC_B_RECON_WRITE_ON);
636 /* multi-slice control */
637 /* multi-slice MB number or bit size */
638 mfc_write(dev, p->slice_mode, S5P_FIMV_ENC_MSLICE_CTRL);
639 if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) {
640 mfc_write(dev, p->slice_mb, S5P_FIMV_ENC_MSLICE_MB);
641 } else if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES) {
642 mfc_write(dev, p->slice_bit, S5P_FIMV_ENC_MSLICE_BIT);
643 } else {
644 mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_MB);
645 mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_BIT);
646 }
647 /* cyclic intra refresh */
648 mfc_write(dev, p->intra_refresh_mb, S5P_FIMV_ENC_CIR_CTRL);
649 /* memory structure cur. frame */
650 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
651 mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
652 else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
653 mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
654 /* padding control & value */
655 reg = mfc_read(dev, S5P_FIMV_ENC_PADDING_CTRL);
656 if (p->pad) {
657 /** enable */
658 reg |= (1 << 31);
659 /** cr value */
660 reg &= ~(0xFF << 16);
661 reg |= (p->pad_cr << 16);
662 /** cb value */
663 reg &= ~(0xFF << 8);
664 reg |= (p->pad_cb << 8);
665 /** y value */
666 reg &= ~(0xFF);
667 reg |= (p->pad_luma);
668 } else {
669 /** disable & all value clear */
670 reg = 0;
671 }
672 mfc_write(dev, reg, S5P_FIMV_ENC_PADDING_CTRL);
673 /* rate control config. */
674 reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
675 /** frame-level rate control */
676 reg &= ~(0x1 << 9);
677 reg |= (p->rc_frame << 9);
678 mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
679 /* bit rate */
680 if (p->rc_frame)
681 mfc_write(dev, p->rc_bitrate,
682 S5P_FIMV_ENC_RC_BIT_RATE);
683 else
684 mfc_write(dev, 0, S5P_FIMV_ENC_RC_BIT_RATE);
685 /* reaction coefficient */
686 if (p->rc_frame)
687 mfc_write(dev, p->rc_reaction_coeff, S5P_FIMV_ENC_RC_RPARA);
688 shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
689 /* seq header ctrl */
690 shm &= ~(0x1 << 3);
691 shm |= (p->seq_hdr_mode << 3);
692 /* frame skip mode */
693 shm &= ~(0x3 << 1);
694 shm |= (p->frame_skip_mode << 1);
695 s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
696 /* fixed target bit */
697 s5p_mfc_write_shm(ctx, p->fixed_target_bit, RC_CONTROL_CONFIG);
698 return 0;
699 }
700
701 static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
702 {
703 struct s5p_mfc_dev *dev = ctx->dev;
704 struct s5p_mfc_enc_params *p = &ctx->enc_params;
705 struct s5p_mfc_h264_enc_params *p_264 = &p->codec.h264;
706 unsigned int reg;
707 unsigned int shm;
708
709 s5p_mfc_set_enc_params(ctx);
710 /* pictype : number of B */
711 reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
712 /* num_b_frame - 0 ~ 2 */
713 reg &= ~(0x3 << 16);
714 reg |= (p->num_b_frame << 16);
715 mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
716 /* profile & level */
717 reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
718 /* level */
719 reg &= ~(0xFF << 8);
720 reg |= (p_264->level << 8);
721 /* profile - 0 ~ 2 */
722 reg &= ~(0x3F);
723 reg |= p_264->profile;
724 mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
725 /* interlace */
726 mfc_write(dev, p->interlace, S5P_FIMV_ENC_PIC_STRUCT);
727 /* height */
728 if (p->interlace)
729 mfc_write(dev, ctx->img_height >> 1, S5P_FIMV_ENC_VSIZE_PX);
730 /* loopfilter ctrl */
731 mfc_write(dev, p_264->loop_filter_mode, S5P_FIMV_ENC_LF_CTRL);
732 /* loopfilter alpha offset */
733 if (p_264->loop_filter_alpha < 0) {
734 reg = 0x10;
735 reg |= (0xFF - p_264->loop_filter_alpha) + 1;
736 } else {
737 reg = 0x00;
738 reg |= (p_264->loop_filter_alpha & 0xF);
739 }
740 mfc_write(dev, reg, S5P_FIMV_ENC_ALPHA_OFF);
741 /* loopfilter beta offset */
742 if (p_264->loop_filter_beta < 0) {
743 reg = 0x10;
744 reg |= (0xFF - p_264->loop_filter_beta) + 1;
745 } else {
746 reg = 0x00;
747 reg |= (p_264->loop_filter_beta & 0xF);
748 }
749 mfc_write(dev, reg, S5P_FIMV_ENC_BETA_OFF);
750 /* entropy coding mode */
751 if (p_264->entropy_mode == V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC)
752 mfc_write(dev, 1, S5P_FIMV_ENC_H264_ENTROPY_MODE);
753 else
754 mfc_write(dev, 0, S5P_FIMV_ENC_H264_ENTROPY_MODE);
755 /* number of ref. picture */
756 reg = mfc_read(dev, S5P_FIMV_ENC_H264_NUM_OF_REF);
757 /* num of ref. pictures of P */
758 reg &= ~(0x3 << 5);
759 reg |= (p_264->num_ref_pic_4p << 5);
760 /* max number of ref. pictures */
761 reg &= ~(0x1F);
762 reg |= p_264->max_ref_pic;
763 mfc_write(dev, reg, S5P_FIMV_ENC_H264_NUM_OF_REF);
764 /* 8x8 transform enable */
765 mfc_write(dev, p_264->_8x8_transform, S5P_FIMV_ENC_H264_TRANS_FLAG);
766 /* rate control config. */
767 reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
768 /* macroblock level rate control */
769 reg &= ~(0x1 << 8);
770 reg |= (p_264->rc_mb << 8);
771 /* frame QP */
772 reg &= ~(0x3F);
773 reg |= p_264->rc_frame_qp;
774 mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
775 /* frame rate */
776 if (p->rc_frame && p->rc_framerate_denom)
777 mfc_write(dev, p->rc_framerate_num * 1000
778 / p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
779 else
780 mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
781 /* max & min value of QP */
782 reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
783 /* max QP */
784 reg &= ~(0x3F << 8);
785 reg |= (p_264->rc_max_qp << 8);
786 /* min QP */
787 reg &= ~(0x3F);
788 reg |= p_264->rc_min_qp;
789 mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
790 /* macroblock adaptive scaling features */
791 if (p_264->rc_mb) {
792 reg = mfc_read(dev, S5P_FIMV_ENC_RC_MB_CTRL);
793 /* dark region */
794 reg &= ~(0x1 << 3);
795 reg |= (p_264->rc_mb_dark << 3);
796 /* smooth region */
797 reg &= ~(0x1 << 2);
798 reg |= (p_264->rc_mb_smooth << 2);
799 /* static region */
800 reg &= ~(0x1 << 1);
801 reg |= (p_264->rc_mb_static << 1);
802 /* high activity region */
803 reg &= ~(0x1);
804 reg |= p_264->rc_mb_activity;
805 mfc_write(dev, reg, S5P_FIMV_ENC_RC_MB_CTRL);
806 }
807 if (!p->rc_frame &&
808 !p_264->rc_mb) {
809 shm = s5p_mfc_read_shm(ctx, P_B_FRAME_QP);
810 shm &= ~(0xFFF);
811 shm |= ((p_264->rc_b_frame_qp & 0x3F) << 6);
812 shm |= (p_264->rc_p_frame_qp & 0x3F);
813 s5p_mfc_write_shm(ctx, shm, P_B_FRAME_QP);
814 }
815 /* extended encoder ctrl */
816 shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
817 /* AR VUI control */
818 shm &= ~(0x1 << 15);
819 shm |= (p_264->vui_sar << 1);
820 s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
821 if (p_264->vui_sar) {
822 /* aspect ration IDC */
823 shm = s5p_mfc_read_shm(ctx, SAMPLE_ASPECT_RATIO_IDC);
824 shm &= ~(0xFF);
825 shm |= p_264->vui_sar_idc;
826 s5p_mfc_write_shm(ctx, shm, SAMPLE_ASPECT_RATIO_IDC);
827 if (p_264->vui_sar_idc == 0xFF) {
828 /* sample AR info */
829 shm = s5p_mfc_read_shm(ctx, EXTENDED_SAR);
830 shm &= ~(0xFFFFFFFF);
831 shm |= p_264->vui_ext_sar_width << 16;
832 shm |= p_264->vui_ext_sar_height;
833 s5p_mfc_write_shm(ctx, shm, EXTENDED_SAR);
834 }
835 }
836 /* intra picture period for H.264 */
837 shm = s5p_mfc_read_shm(ctx, H264_I_PERIOD);
838 /* control */
839 shm &= ~(0x1 << 16);
840 shm |= (p_264->open_gop << 16);
841 /* value */
842 if (p_264->open_gop) {
843 shm &= ~(0xFFFF);
844 shm |= p_264->open_gop_size;
845 }
846 s5p_mfc_write_shm(ctx, shm, H264_I_PERIOD);
847 /* extended encoder ctrl */
848 shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
849 /* vbv buffer size */
850 if (p->frame_skip_mode ==
851 V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
852 shm &= ~(0xFFFF << 16);
853 shm |= (p_264->cpb_size << 16);
854 }
855 s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
856 return 0;
857 }
858
859 static int s5p_mfc_set_enc_params_mpeg4(struct s5p_mfc_ctx *ctx)
860 {
861 struct s5p_mfc_dev *dev = ctx->dev;
862 struct s5p_mfc_enc_params *p = &ctx->enc_params;
863 struct s5p_mfc_mpeg4_enc_params *p_mpeg4 = &p->codec.mpeg4;
864 unsigned int reg;
865 unsigned int shm;
866 unsigned int framerate;
867
868 s5p_mfc_set_enc_params(ctx);
869 /* pictype : number of B */
870 reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
871 /* num_b_frame - 0 ~ 2 */
872 reg &= ~(0x3 << 16);
873 reg |= (p->num_b_frame << 16);
874 mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
875 /* profile & level */
876 reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
877 /* level */
878 reg &= ~(0xFF << 8);
879 reg |= (p_mpeg4->level << 8);
880 /* profile - 0 ~ 2 */
881 reg &= ~(0x3F);
882 reg |= p_mpeg4->profile;
883 mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
884 /* quarter_pixel */
885 mfc_write(dev, p_mpeg4->quarter_pixel, S5P_FIMV_ENC_MPEG4_QUART_PXL);
886 /* qp */
887 if (!p->rc_frame) {
888 shm = s5p_mfc_read_shm(ctx, P_B_FRAME_QP);
889 shm &= ~(0xFFF);
890 shm |= ((p_mpeg4->rc_b_frame_qp & 0x3F) << 6);
891 shm |= (p_mpeg4->rc_p_frame_qp & 0x3F);
892 s5p_mfc_write_shm(ctx, shm, P_B_FRAME_QP);
893 }
894 /* frame rate */
895 if (p->rc_frame) {
896 if (p->rc_framerate_denom > 0) {
897 framerate = p->rc_framerate_num * 1000 /
898 p->rc_framerate_denom;
899 mfc_write(dev, framerate,
900 S5P_FIMV_ENC_RC_FRAME_RATE);
901 shm = s5p_mfc_read_shm(ctx, RC_VOP_TIMING);
902 shm &= ~(0xFFFFFFFF);
903 shm |= (1 << 31);
904 shm |= ((p->rc_framerate_num & 0x7FFF) << 16);
905 shm |= (p->rc_framerate_denom & 0xFFFF);
906 s5p_mfc_write_shm(ctx, shm, RC_VOP_TIMING);
907 }
908 } else {
909 mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
910 }
911 /* rate control config. */
912 reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
913 /* frame QP */
914 reg &= ~(0x3F);
915 reg |= p_mpeg4->rc_frame_qp;
916 mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
917 /* max & min value of QP */
918 reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
919 /* max QP */
920 reg &= ~(0x3F << 8);
921 reg |= (p_mpeg4->rc_max_qp << 8);
922 /* min QP */
923 reg &= ~(0x3F);
924 reg |= p_mpeg4->rc_min_qp;
925 mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
926 /* extended encoder ctrl */
927 shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
928 /* vbv buffer size */
929 if (p->frame_skip_mode ==
930 V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
931 shm &= ~(0xFFFF << 16);
932 shm |= (p->vbv_size << 16);
933 }
934 s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
935 return 0;
936 }
937
938 static int s5p_mfc_set_enc_params_h263(struct s5p_mfc_ctx *ctx)
939 {
940 struct s5p_mfc_dev *dev = ctx->dev;
941 struct s5p_mfc_enc_params *p = &ctx->enc_params;
942 struct s5p_mfc_mpeg4_enc_params *p_h263 = &p->codec.mpeg4;
943 unsigned int reg;
944 unsigned int shm;
945
946 s5p_mfc_set_enc_params(ctx);
947 /* qp */
948 if (!p->rc_frame) {
949 shm = s5p_mfc_read_shm(ctx, P_B_FRAME_QP);
950 shm &= ~(0xFFF);
951 shm |= (p_h263->rc_p_frame_qp & 0x3F);
952 s5p_mfc_write_shm(ctx, shm, P_B_FRAME_QP);
953 }
954 /* frame rate */
955 if (p->rc_frame && p->rc_framerate_denom)
956 mfc_write(dev, p->rc_framerate_num * 1000
957 / p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
958 else
959 mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
960 /* rate control config. */
961 reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
962 /* frame QP */
963 reg &= ~(0x3F);
964 reg |= p_h263->rc_frame_qp;
965 mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
966 /* max & min value of QP */
967 reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
968 /* max QP */
969 reg &= ~(0x3F << 8);
970 reg |= (p_h263->rc_max_qp << 8);
971 /* min QP */
972 reg &= ~(0x3F);
973 reg |= p_h263->rc_min_qp;
974 mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
975 /* extended encoder ctrl */
976 shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
977 /* vbv buffer size */
978 if (p->frame_skip_mode ==
979 V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
980 shm &= ~(0xFFFF << 16);
981 shm |= (p->vbv_size << 16);
982 }
983 s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
984 return 0;
985 }
986
987 /* Initialize decoding */
988 int s5p_mfc_init_decode(struct s5p_mfc_ctx *ctx)
989 {
990 struct s5p_mfc_dev *dev = ctx->dev;
991
992 s5p_mfc_set_shared_buffer(ctx);
993 /* Setup loop filter, for decoding this is only valid for MPEG4 */
994 if (ctx->codec_mode == S5P_FIMV_CODEC_MPEG4_DEC)
995 mfc_write(dev, ctx->loop_filter_mpeg4, S5P_FIMV_ENC_LF_CTRL);
996 else
997 mfc_write(dev, 0, S5P_FIMV_ENC_LF_CTRL);
998 mfc_write(dev, ((ctx->slice_interface & S5P_FIMV_SLICE_INT_MASK) <<
999 S5P_FIMV_SLICE_INT_SHIFT) | (ctx->display_delay_enable <<
1000 S5P_FIMV_DDELAY_ENA_SHIFT) | ((ctx->display_delay &
1001 S5P_FIMV_DDELAY_VAL_MASK) << S5P_FIMV_DDELAY_VAL_SHIFT),
1002 S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
1003 mfc_write(dev,
1004 ((S5P_FIMV_CH_SEQ_HEADER & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
1005 | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1006 return 0;
1007 }
1008
1009 static void s5p_mfc_set_flush(struct s5p_mfc_ctx *ctx, int flush)
1010 {
1011 struct s5p_mfc_dev *dev = ctx->dev;
1012 unsigned int dpb;
1013
1014 if (flush)
1015 dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) | (
1016 S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
1017 else
1018 dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
1019 ~(S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
1020 mfc_write(dev, dpb, S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
1021 }
1022
1023 /* Decode a single frame */
1024 int s5p_mfc_decode_one_frame(struct s5p_mfc_ctx *ctx,
1025 enum s5p_mfc_decode_arg last_frame)
1026 {
1027 struct s5p_mfc_dev *dev = ctx->dev;
1028
1029 mfc_write(dev, ctx->dec_dst_flag, S5P_FIMV_SI_CH0_RELEASE_BUF);
1030 s5p_mfc_set_shared_buffer(ctx);
1031 s5p_mfc_set_flush(ctx, ctx->dpb_flush_flag);
1032 /* Issue different commands to instance basing on whether it
1033 * is the last frame or not. */
1034 switch (last_frame) {
1035 case MFC_DEC_FRAME:
1036 mfc_write(dev, ((S5P_FIMV_CH_FRAME_START & S5P_FIMV_CH_MASK) <<
1037 S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1038 break;
1039 case MFC_DEC_LAST_FRAME:
1040 mfc_write(dev, ((S5P_FIMV_CH_LAST_FRAME & S5P_FIMV_CH_MASK) <<
1041 S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1042 break;
1043 case MFC_DEC_RES_CHANGE:
1044 mfc_write(dev, ((S5P_FIMV_CH_FRAME_START_REALLOC &
1045 S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
1046 S5P_FIMV_SI_CH0_INST_ID);
1047 break;
1048 }
1049 mfc_debug(2, "Decoding a usual frame\n");
1050 return 0;
1051 }
1052
1053 int s5p_mfc_init_encode(struct s5p_mfc_ctx *ctx)
1054 {
1055 struct s5p_mfc_dev *dev = ctx->dev;
1056
1057 if (ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC)
1058 s5p_mfc_set_enc_params_h264(ctx);
1059 else if (ctx->codec_mode == S5P_FIMV_CODEC_MPEG4_ENC)
1060 s5p_mfc_set_enc_params_mpeg4(ctx);
1061 else if (ctx->codec_mode == S5P_FIMV_CODEC_H263_ENC)
1062 s5p_mfc_set_enc_params_h263(ctx);
1063 else {
1064 mfc_err("Unknown codec for encoding (%x)\n",
1065 ctx->codec_mode);
1066 return -EINVAL;
1067 }
1068 s5p_mfc_set_shared_buffer(ctx);
1069 mfc_write(dev, ((S5P_FIMV_CH_SEQ_HEADER << 16) & 0x70000) |
1070 (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1071 return 0;
1072 }
1073
1074 /* Encode a single frame */
1075 int s5p_mfc_encode_one_frame(struct s5p_mfc_ctx *ctx)
1076 {
1077 struct s5p_mfc_dev *dev = ctx->dev;
1078 /* memory structure cur. frame */
1079 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
1080 mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
1081 else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
1082 mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
1083 s5p_mfc_set_shared_buffer(ctx);
1084 mfc_write(dev, (S5P_FIMV_CH_FRAME_START << 16 & 0x70000) |
1085 (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1086 return 0;
1087 }
1088
1089 static int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
1090 {
1091 unsigned long flags;
1092 int new_ctx;
1093 int cnt;
1094
1095 spin_lock_irqsave(&dev->condlock, flags);
1096 new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS;
1097 cnt = 0;
1098 while (!test_bit(new_ctx, &dev->ctx_work_bits)) {
1099 new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS;
1100 if (++cnt > MFC_NUM_CONTEXTS) {
1101 /* No contexts to run */
1102 spin_unlock_irqrestore(&dev->condlock, flags);
1103 return -EAGAIN;
1104 }
1105 }
1106 spin_unlock_irqrestore(&dev->condlock, flags);
1107 return new_ctx;
1108 }
1109
1110 static void s5p_mfc_run_res_change(struct s5p_mfc_ctx *ctx)
1111 {
1112 struct s5p_mfc_dev *dev = ctx->dev;
1113
1114 s5p_mfc_set_dec_stream_buffer(ctx, 0, 0, 0);
1115 dev->curr_ctx = ctx->num;
1116 s5p_mfc_clean_ctx_int_flags(ctx);
1117 s5p_mfc_decode_one_frame(ctx, MFC_DEC_RES_CHANGE);
1118 }
1119
1120 static int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx, int last_frame)
1121 {
1122 struct s5p_mfc_dev *dev = ctx->dev;
1123 struct s5p_mfc_buf *temp_vb;
1124 unsigned long flags;
1125 unsigned int index;
1126
1127 spin_lock_irqsave(&dev->irqlock, flags);
1128 /* Frames are being decoded */
1129 if (list_empty(&ctx->src_queue)) {
1130 mfc_debug(2, "No src buffers\n");
1131 spin_unlock_irqrestore(&dev->irqlock, flags);
1132 return -EAGAIN;
1133 }
1134 /* Get the next source buffer */
1135 temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
1136 temp_vb->used = 1;
1137 s5p_mfc_set_dec_stream_buffer(ctx,
1138 vb2_dma_contig_plane_paddr(temp_vb->b, 0), ctx->consumed_stream,
1139 temp_vb->b->v4l2_planes[0].bytesused);
1140 spin_unlock_irqrestore(&dev->irqlock, flags);
1141 index = temp_vb->b->v4l2_buf.index;
1142 dev->curr_ctx = ctx->num;
1143 s5p_mfc_clean_ctx_int_flags(ctx);
1144 if (temp_vb->b->v4l2_planes[0].bytesused == 0) {
1145 last_frame = MFC_DEC_LAST_FRAME;
1146 mfc_debug(2, "Setting ctx->state to FINISHING\n");
1147 ctx->state = MFCINST_FINISHING;
1148 }
1149 s5p_mfc_decode_one_frame(ctx, last_frame);
1150 return 0;
1151 }
1152
1153 static int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
1154 {
1155 struct s5p_mfc_dev *dev = ctx->dev;
1156 unsigned long flags;
1157 struct s5p_mfc_buf *dst_mb;
1158 struct s5p_mfc_buf *src_mb;
1159 unsigned long src_y_addr, src_c_addr, dst_addr;
1160 unsigned int dst_size;
1161
1162 spin_lock_irqsave(&dev->irqlock, flags);
1163 if (list_empty(&ctx->src_queue)) {
1164 mfc_debug(2, "no src buffers\n");
1165 spin_unlock_irqrestore(&dev->irqlock, flags);
1166 return -EAGAIN;
1167 }
1168 if (list_empty(&ctx->dst_queue)) {
1169 mfc_debug(2, "no dst buffers\n");
1170 spin_unlock_irqrestore(&dev->irqlock, flags);
1171 return -EAGAIN;
1172 }
1173 src_mb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
1174 src_mb->used = 1;
1175 src_y_addr = vb2_dma_contig_plane_paddr(src_mb->b, 0);
1176 src_c_addr = vb2_dma_contig_plane_paddr(src_mb->b, 1);
1177 s5p_mfc_set_enc_frame_buffer(ctx, src_y_addr, src_c_addr);
1178 dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
1179 dst_mb->used = 1;
1180 dst_addr = vb2_dma_contig_plane_paddr(dst_mb->b, 0);
1181 dst_size = vb2_plane_size(dst_mb->b, 0);
1182 s5p_mfc_set_enc_stream_buffer(ctx, dst_addr, dst_size);
1183 spin_unlock_irqrestore(&dev->irqlock, flags);
1184 dev->curr_ctx = ctx->num;
1185 s5p_mfc_clean_ctx_int_flags(ctx);
1186 s5p_mfc_encode_one_frame(ctx);
1187 return 0;
1188 }
1189
1190 static void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
1191 {
1192 struct s5p_mfc_dev *dev = ctx->dev;
1193 unsigned long flags;
1194 struct s5p_mfc_buf *temp_vb;
1195
1196 /* Initializing decoding - parsing header */
1197 spin_lock_irqsave(&dev->irqlock, flags);
1198 mfc_debug(2, "Preparing to init decoding\n");
1199 temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
1200 s5p_mfc_set_dec_desc_buffer(ctx);
1201 mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
1202 s5p_mfc_set_dec_stream_buffer(ctx,
1203 vb2_dma_contig_plane_paddr(temp_vb->b, 0),
1204 0, temp_vb->b->v4l2_planes[0].bytesused);
1205 spin_unlock_irqrestore(&dev->irqlock, flags);
1206 dev->curr_ctx = ctx->num;
1207 s5p_mfc_clean_ctx_int_flags(ctx);
1208 s5p_mfc_init_decode(ctx);
1209 }
1210
1211 static void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
1212 {
1213 struct s5p_mfc_dev *dev = ctx->dev;
1214 unsigned long flags;
1215 struct s5p_mfc_buf *dst_mb;
1216 unsigned long dst_addr;
1217 unsigned int dst_size;
1218
1219 s5p_mfc_set_enc_ref_buffer(ctx);
1220 spin_lock_irqsave(&dev->irqlock, flags);
1221 dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
1222 dst_addr = vb2_dma_contig_plane_paddr(dst_mb->b, 0);
1223 dst_size = vb2_plane_size(dst_mb->b, 0);
1224 s5p_mfc_set_enc_stream_buffer(ctx, dst_addr, dst_size);
1225 spin_unlock_irqrestore(&dev->irqlock, flags);
1226 dev->curr_ctx = ctx->num;
1227 s5p_mfc_clean_ctx_int_flags(ctx);
1228 s5p_mfc_init_encode(ctx);
1229 }
1230
1231 static int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
1232 {
1233 struct s5p_mfc_dev *dev = ctx->dev;
1234 unsigned long flags;
1235 struct s5p_mfc_buf *temp_vb;
1236 int ret;
1237
1238 /*
1239 * Header was parsed now starting processing
1240 * First set the output frame buffers
1241 */
1242 if (ctx->capture_state != QUEUE_BUFS_MMAPED) {
1243 mfc_err("It seems that not all destionation buffers were "
1244 "mmaped\nMFC requires that all destination are mmaped "
1245 "before starting processing\n");
1246 return -EAGAIN;
1247 }
1248 spin_lock_irqsave(&dev->irqlock, flags);
1249 if (list_empty(&ctx->src_queue)) {
1250 mfc_err("Header has been deallocated in the middle of"
1251 " initialization\n");
1252 spin_unlock_irqrestore(&dev->irqlock, flags);
1253 return -EIO;
1254 }
1255 temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
1256 mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
1257 s5p_mfc_set_dec_stream_buffer(ctx,
1258 vb2_dma_contig_plane_paddr(temp_vb->b, 0),
1259 0, temp_vb->b->v4l2_planes[0].bytesused);
1260 spin_unlock_irqrestore(&dev->irqlock, flags);
1261 dev->curr_ctx = ctx->num;
1262 s5p_mfc_clean_ctx_int_flags(ctx);
1263 ret = s5p_mfc_set_dec_frame_buffer(ctx);
1264 if (ret) {
1265 mfc_err("Failed to alloc frame mem\n");
1266 ctx->state = MFCINST_ERROR;
1267 }
1268 return ret;
1269 }
1270
1271 /* Try running an operation on hardware */
1272 void s5p_mfc_try_run(struct s5p_mfc_dev *dev)
1273 {
1274 struct s5p_mfc_ctx *ctx;
1275 int new_ctx;
1276 unsigned int ret = 0;
1277
1278 if (test_bit(0, &dev->enter_suspend)) {
1279 mfc_debug(1, "Entering suspend so do not schedule any jobs\n");
1280 return;
1281 }
1282 /* Check whether hardware is not running */
1283 if (test_and_set_bit(0, &dev->hw_lock) != 0) {
1284 /* This is perfectly ok, the scheduled ctx should wait */
1285 mfc_debug(1, "Couldn't lock HW\n");
1286 return;
1287 }
1288 /* Choose the context to run */
1289 new_ctx = s5p_mfc_get_new_ctx(dev);
1290 if (new_ctx < 0) {
1291 /* No contexts to run */
1292 if (test_and_clear_bit(0, &dev->hw_lock) == 0) {
1293 mfc_err("Failed to unlock hardware\n");
1294 return;
1295 }
1296 mfc_debug(1, "No ctx is scheduled to be run\n");
1297 return;
1298 }
1299 ctx = dev->ctx[new_ctx];
1300 /* Got context to run in ctx */
1301 /*
1302 * Last frame has already been sent to MFC.
1303 * Now obtaining frames from MFC buffer
1304 */
1305 s5p_mfc_clock_on();
1306 if (ctx->type == MFCINST_DECODER) {
1307 s5p_mfc_set_dec_desc_buffer(ctx);
1308 switch (ctx->state) {
1309 case MFCINST_FINISHING:
1310 s5p_mfc_run_dec_frame(ctx, MFC_DEC_LAST_FRAME);
1311 break;
1312 case MFCINST_RUNNING:
1313 ret = s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
1314 break;
1315 case MFCINST_INIT:
1316 s5p_mfc_clean_ctx_int_flags(ctx);
1317 ret = s5p_mfc_open_inst_cmd(ctx);
1318 break;
1319 case MFCINST_RETURN_INST:
1320 s5p_mfc_clean_ctx_int_flags(ctx);
1321 ret = s5p_mfc_close_inst_cmd(ctx);
1322 break;
1323 case MFCINST_GOT_INST:
1324 s5p_mfc_run_init_dec(ctx);
1325 break;
1326 case MFCINST_HEAD_PARSED:
1327 ret = s5p_mfc_run_init_dec_buffers(ctx);
1328 mfc_debug(1, "head parsed\n");
1329 break;
1330 case MFCINST_RES_CHANGE_INIT:
1331 s5p_mfc_run_res_change(ctx);
1332 break;
1333 case MFCINST_RES_CHANGE_FLUSH:
1334 s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
1335 break;
1336 case MFCINST_RES_CHANGE_END:
1337 mfc_debug(2, "Finished remaining frames after resolution change\n");
1338 ctx->capture_state = QUEUE_FREE;
1339 mfc_debug(2, "Will re-init the codec\n");
1340 s5p_mfc_run_init_dec(ctx);
1341 break;
1342 default:
1343 ret = -EAGAIN;
1344 }
1345 } else if (ctx->type == MFCINST_ENCODER) {
1346 switch (ctx->state) {
1347 case MFCINST_FINISHING:
1348 case MFCINST_RUNNING:
1349 ret = s5p_mfc_run_enc_frame(ctx);
1350 break;
1351 case MFCINST_INIT:
1352 s5p_mfc_clean_ctx_int_flags(ctx);
1353 ret = s5p_mfc_open_inst_cmd(ctx);
1354 break;
1355 case MFCINST_RETURN_INST:
1356 s5p_mfc_clean_ctx_int_flags(ctx);
1357 ret = s5p_mfc_close_inst_cmd(ctx);
1358 break;
1359 case MFCINST_GOT_INST:
1360 s5p_mfc_run_init_enc(ctx);
1361 break;
1362 default:
1363 ret = -EAGAIN;
1364 }
1365 } else {
1366 mfc_err("Invalid context type: %d\n", ctx->type);
1367 ret = -EAGAIN;
1368 }
1369
1370 if (ret) {
1371 /* Free hardware lock */
1372 if (test_and_clear_bit(0, &dev->hw_lock) == 0)
1373 mfc_err("Failed to unlock hardware\n");
1374
1375 /* This is in deed imporant, as no operation has been
1376 * scheduled, reduce the clock count as no one will
1377 * ever do this, because no interrupt related to this try_run
1378 * will ever come from hardware. */
1379 s5p_mfc_clock_off();
1380 }
1381 }
1382
1383
1384 void s5p_mfc_cleanup_queue(struct list_head *lh, struct vb2_queue *vq)
1385 {
1386 struct s5p_mfc_buf *b;
1387 int i;
1388
1389 while (!list_empty(lh)) {
1390 b = list_entry(lh->next, struct s5p_mfc_buf, list);
1391 for (i = 0; i < b->b->num_planes; i++)
1392 vb2_set_plane_payload(b->b, i, 0);
1393 vb2_buffer_done(b->b, VB2_BUF_STATE_ERROR);
1394 list_del(&b->list);
1395 }
1396 }
1397
linux-next