1/*
2 * drivers/media/platform/samsung/mfc5/s5p_mfc_opr_v5.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 "s5p_mfc_common.h"
16#include "s5p_mfc_cmd.h"
17#include "s5p_mfc_ctrl.h"
18#include "s5p_mfc_debug.h"
19#include "s5p_mfc_intr.h"
20#include "s5p_mfc_pm.h"
21#include "s5p_mfc_opr.h"
22#include "s5p_mfc_opr_v5.h"
23#include <asm/cacheflush.h>
24#include <linux/delay.h>
25#include <linux/dma-mapping.h>
26#include <linux/err.h>
27#include <linux/firmware.h>
28#include <linux/io.h>
29#include <linux/jiffies.h>
30#include <linux/mm.h>
31#include <linux/sched.h>
32
33#define OFFSETA(x)		(((x) - dev->bank1) >> MFC_OFFSET_SHIFT)
34#define OFFSETB(x)		(((x) - dev->bank2) >> MFC_OFFSET_SHIFT)
35
36/* Allocate temporary buffers for decoding */
37static int s5p_mfc_alloc_dec_temp_buffers_v5(struct s5p_mfc_ctx *ctx)
38{
39	struct s5p_mfc_dev *dev = ctx->dev;
40	struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv;
41	int ret;
42
43	ctx->dsc.size = buf_size->dsc;
44	ret =  s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->dsc);
45	if (ret) {
46		mfc_err("Failed to allocate temporary buffer\n");
47		return ret;
48	}
49
50	BUG_ON(ctx->dsc.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
51	memset(ctx->dsc.virt, 0, ctx->dsc.size);
52	wmb();
53	return 0;
54}
55
56
57/* Release temporary buffers for decoding */
58static void s5p_mfc_release_dec_desc_buffer_v5(struct s5p_mfc_ctx *ctx)
59{
60	s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->dsc);
61}
62
63/* Allocate codec buffers */
64static int s5p_mfc_alloc_codec_buffers_v5(struct s5p_mfc_ctx *ctx)
65{
66	struct s5p_mfc_dev *dev = ctx->dev;
67	unsigned int enc_ref_y_size = 0;
68	unsigned int enc_ref_c_size = 0;
69	unsigned int guard_width, guard_height;
70	int ret;
71
72	if (ctx->type == MFCINST_DECODER) {
73		mfc_debug(2, "Luma size:%d Chroma size:%d MV size:%d\n",
74			  ctx->luma_size, ctx->chroma_size, ctx->mv_size);
75		mfc_debug(2, "Totals bufs: %d\n", ctx->total_dpb_count);
76	} else if (ctx->type == MFCINST_ENCODER) {
77		enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
78			* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
79		enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
80
81		if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC) {
82			enc_ref_c_size = ALIGN(ctx->img_width,
83						S5P_FIMV_NV12MT_HALIGN)
84						* ALIGN(ctx->img_height >> 1,
85						S5P_FIMV_NV12MT_VALIGN);
86			enc_ref_c_size = ALIGN(enc_ref_c_size,
87							S5P_FIMV_NV12MT_SALIGN);
88		} else {
89			guard_width = ALIGN(ctx->img_width + 16,
90							S5P_FIMV_NV12MT_HALIGN);
91			guard_height = ALIGN((ctx->img_height >> 1) + 4,
92							S5P_FIMV_NV12MT_VALIGN);
93			enc_ref_c_size = ALIGN(guard_width * guard_height,
94					       S5P_FIMV_NV12MT_SALIGN);
95		}
96		mfc_debug(2, "recon luma size: %d chroma size: %d\n",
97			  enc_ref_y_size, enc_ref_c_size);
98	} else {
99		return -EINVAL;
100	}
101	/* Codecs have different memory requirements */
102	switch (ctx->codec_mode) {
103	case S5P_MFC_CODEC_H264_DEC:
104		ctx->bank1.size =
105		    ALIGN(S5P_FIMV_DEC_NB_IP_SIZE +
106					S5P_FIMV_DEC_VERT_NB_MV_SIZE,
107					S5P_FIMV_DEC_BUF_ALIGN);
108		ctx->bank2.size = ctx->total_dpb_count * ctx->mv_size;
109		break;
110	case S5P_MFC_CODEC_MPEG4_DEC:
111		ctx->bank1.size =
112		    ALIGN(S5P_FIMV_DEC_NB_DCAC_SIZE +
113				     S5P_FIMV_DEC_UPNB_MV_SIZE +
114				     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
115				     S5P_FIMV_DEC_STX_PARSER_SIZE +
116				     S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE,
117				     S5P_FIMV_DEC_BUF_ALIGN);
118		ctx->bank2.size = 0;
119		break;
120	case S5P_MFC_CODEC_VC1RCV_DEC:
121	case S5P_MFC_CODEC_VC1_DEC:
122		ctx->bank1.size =
123		    ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
124			     S5P_FIMV_DEC_UPNB_MV_SIZE +
125			     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
126			     S5P_FIMV_DEC_NB_DCAC_SIZE +
127			     3 * S5P_FIMV_DEC_VC1_BITPLANE_SIZE,
128			     S5P_FIMV_DEC_BUF_ALIGN);
129		ctx->bank2.size = 0;
130		break;
131	case S5P_MFC_CODEC_MPEG2_DEC:
132		ctx->bank1.size = 0;
133		ctx->bank2.size = 0;
134		break;
135	case S5P_MFC_CODEC_H263_DEC:
136		ctx->bank1.size =
137		    ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
138			     S5P_FIMV_DEC_UPNB_MV_SIZE +
139			     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
140			     S5P_FIMV_DEC_NB_DCAC_SIZE,
141			     S5P_FIMV_DEC_BUF_ALIGN);
142		ctx->bank2.size = 0;
143		break;
144	case S5P_MFC_CODEC_H264_ENC:
145		ctx->bank1.size = (enc_ref_y_size * 2) +
146				   S5P_FIMV_ENC_UPMV_SIZE +
147				   S5P_FIMV_ENC_COLFLG_SIZE +
148				   S5P_FIMV_ENC_INTRAMD_SIZE +
149				   S5P_FIMV_ENC_NBORINFO_SIZE;
150		ctx->bank2.size = (enc_ref_y_size * 2) +
151				   (enc_ref_c_size * 4) +
152				   S5P_FIMV_ENC_INTRAPRED_SIZE;
153		break;
154	case S5P_MFC_CODEC_MPEG4_ENC:
155		ctx->bank1.size = (enc_ref_y_size * 2) +
156				   S5P_FIMV_ENC_UPMV_SIZE +
157				   S5P_FIMV_ENC_COLFLG_SIZE +
158				   S5P_FIMV_ENC_ACDCCOEF_SIZE;
159		ctx->bank2.size = (enc_ref_y_size * 2) +
160				   (enc_ref_c_size * 4);
161		break;
162	case S5P_MFC_CODEC_H263_ENC:
163		ctx->bank1.size = (enc_ref_y_size * 2) +
164				   S5P_FIMV_ENC_UPMV_SIZE +
165				   S5P_FIMV_ENC_ACDCCOEF_SIZE;
166		ctx->bank2.size = (enc_ref_y_size * 2) +
167				   (enc_ref_c_size * 4);
168		break;
169	default:
170		break;
171	}
172	/* Allocate only if memory from bank 1 is necessary */
173	if (ctx->bank1.size > 0) {
174
175		ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->bank1);
176		if (ret) {
177			mfc_err("Failed to allocate Bank1 temporary buffer\n");
178			return ret;
179		}
180		BUG_ON(ctx->bank1.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
181	}
182	/* Allocate only if memory from bank 2 is necessary */
183	if (ctx->bank2.size > 0) {
184		ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_r, &ctx->bank2);
185		if (ret) {
186			mfc_err("Failed to allocate Bank2 temporary buffer\n");
187		s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->bank1);
188			return ret;
189		}
190		BUG_ON(ctx->bank2.dma & ((1 << MFC_BANK2_ALIGN_ORDER) - 1));
191	}
192	return 0;
193}
194
195/* Release buffers allocated for codec */
196static void s5p_mfc_release_codec_buffers_v5(struct s5p_mfc_ctx *ctx)
197{
198	s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->bank1);
199	s5p_mfc_release_priv_buf(ctx->dev->mem_dev_r, &ctx->bank2);
200}
201
202/* Allocate memory for instance data buffer */
203static int s5p_mfc_alloc_instance_buffer_v5(struct s5p_mfc_ctx *ctx)
204{
205	struct s5p_mfc_dev *dev = ctx->dev;
206	struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv;
207	int ret;
208
209	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
210		ctx->codec_mode == S5P_MFC_CODEC_H264_ENC)
211		ctx->ctx.size = buf_size->h264_ctx;
212	else
213		ctx->ctx.size = buf_size->non_h264_ctx;
214
215	ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->ctx);
216	if (ret) {
217		mfc_err("Failed to allocate instance buffer\n");
218		return ret;
219	}
220	ctx->ctx.ofs = OFFSETA(ctx->ctx.dma);
221
222	/* Zero content of the allocated memory */
223	memset(ctx->ctx.virt, 0, ctx->ctx.size);
224	wmb();
225
226	/* Initialize shared memory */
227	ctx->shm.size = buf_size->shm;
228	ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->shm);
229	if (ret) {
230		mfc_err("Failed to allocate shared memory buffer\n");
231		s5p_mfc_release_priv_buf(dev->mem_dev_l, &ctx->ctx);
232		return ret;
233	}
234
235	/* shared memory offset only keeps the offset from base (port a) */
236	ctx->shm.ofs = ctx->shm.dma - dev->bank1;
237	BUG_ON(ctx->shm.ofs & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
238
239	memset(ctx->shm.virt, 0, buf_size->shm);
240	wmb();
241	return 0;
242}
243
244/* Release instance buffer */
245static void s5p_mfc_release_instance_buffer_v5(struct s5p_mfc_ctx *ctx)
246{
247	s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->ctx);
248	s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->shm);
249}
250
251static int s5p_mfc_alloc_dev_context_buffer_v5(struct s5p_mfc_dev *dev)
252{
253	/* NOP */
254
255	return 0;
256}
257
258static void s5p_mfc_release_dev_context_buffer_v5(struct s5p_mfc_dev *dev)
259{
260	/* NOP */
261}
262
263static void s5p_mfc_write_info_v5(struct s5p_mfc_ctx *ctx, unsigned int data,
264			unsigned int ofs)
265{
266	writel(data, (void *)(ctx->shm.virt + ofs));
267	wmb();
268}
269
270static unsigned int s5p_mfc_read_info_v5(struct s5p_mfc_ctx *ctx,
271				unsigned long ofs)
272{
273	rmb();
274	return readl((void *)(ctx->shm.virt + ofs));
275}
276
277static void s5p_mfc_dec_calc_dpb_size_v5(struct s5p_mfc_ctx *ctx)
278{
279	unsigned int guard_width, guard_height;
280
281	ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN);
282	ctx->buf_height = ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
283	mfc_debug(2,
284		"SEQ Done: Movie dimensions %dx%d, buffer dimensions: %dx%d\n",
285		ctx->img_width,	ctx->img_height, ctx->buf_width,
286		ctx->buf_height);
287
288	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC) {
289		ctx->luma_size = ALIGN(ctx->buf_width * ctx->buf_height,
290				S5P_FIMV_DEC_BUF_ALIGN);
291		ctx->chroma_size = ALIGN(ctx->buf_width *
292				ALIGN((ctx->img_height >> 1),
293					S5P_FIMV_NV12MT_VALIGN),
294				S5P_FIMV_DEC_BUF_ALIGN);
295		ctx->mv_size = ALIGN(ctx->buf_width *
296				ALIGN((ctx->buf_height >> 2),
297					S5P_FIMV_NV12MT_VALIGN),
298				S5P_FIMV_DEC_BUF_ALIGN);
299	} else {
300		guard_width =
301			ALIGN(ctx->img_width + 24, S5P_FIMV_NV12MT_HALIGN);
302		guard_height =
303			ALIGN(ctx->img_height + 16, S5P_FIMV_NV12MT_VALIGN);
304		ctx->luma_size = ALIGN(guard_width * guard_height,
305				S5P_FIMV_DEC_BUF_ALIGN);
306
307		guard_width =
308			ALIGN(ctx->img_width + 16, S5P_FIMV_NV12MT_HALIGN);
309		guard_height =
310			ALIGN((ctx->img_height >> 1) + 4,
311					S5P_FIMV_NV12MT_VALIGN);
312		ctx->chroma_size = ALIGN(guard_width * guard_height,
313				S5P_FIMV_DEC_BUF_ALIGN);
314
315		ctx->mv_size = 0;
316	}
317}
318
319static void s5p_mfc_enc_calc_src_size_v5(struct s5p_mfc_ctx *ctx)
320{
321	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M) {
322		ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN);
323
324		ctx->luma_size = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN)
325			* ALIGN(ctx->img_height, S5P_FIMV_NV12M_LVALIGN);
326		ctx->chroma_size = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN)
327			* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12M_CVALIGN);
328
329		ctx->luma_size = ALIGN(ctx->luma_size, S5P_FIMV_NV12M_SALIGN);
330		ctx->chroma_size =
331			ALIGN(ctx->chroma_size, S5P_FIMV_NV12M_SALIGN);
332	} else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT) {
333		ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN);
334
335		ctx->luma_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
336			* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
337		ctx->chroma_size =
338			ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
339			* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12MT_VALIGN);
340
341		ctx->luma_size = ALIGN(ctx->luma_size, S5P_FIMV_NV12MT_SALIGN);
342		ctx->chroma_size =
343			ALIGN(ctx->chroma_size, S5P_FIMV_NV12MT_SALIGN);
344	}
345}
346
347/* Set registers for decoding temporary buffers */
348static void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
349{
350	struct s5p_mfc_dev *dev = ctx->dev;
351	struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv;
352
353	mfc_write(dev, OFFSETA(ctx->dsc.dma), S5P_FIMV_SI_CH0_DESC_ADR);
354	mfc_write(dev, buf_size->dsc, S5P_FIMV_SI_CH0_DESC_SIZE);
355}
356
357/* Set registers for shared buffer */
358static void s5p_mfc_set_shared_buffer(struct s5p_mfc_ctx *ctx)
359{
360	struct s5p_mfc_dev *dev = ctx->dev;
361	mfc_write(dev, ctx->shm.ofs, S5P_FIMV_SI_CH0_HOST_WR_ADR);
362}
363
364/* Set registers for decoding stream buffer */
365static int s5p_mfc_set_dec_stream_buffer_v5(struct s5p_mfc_ctx *ctx,
366		int buf_addr, unsigned int start_num_byte,
367		unsigned int buf_size)
368{
369	struct s5p_mfc_dev *dev = ctx->dev;
370
371	mfc_write(dev, OFFSETA(buf_addr), S5P_FIMV_SI_CH0_SB_ST_ADR);
372	mfc_write(dev, ctx->dec_src_buf_size, S5P_FIMV_SI_CH0_CPB_SIZE);
373	mfc_write(dev, buf_size, S5P_FIMV_SI_CH0_SB_FRM_SIZE);
374	s5p_mfc_write_info_v5(ctx, start_num_byte, START_BYTE_NUM);
375	return 0;
376}
377
378/* Set decoding frame buffer */
379static int s5p_mfc_set_dec_frame_buffer_v5(struct s5p_mfc_ctx *ctx)
380{
381	unsigned int frame_size_lu, i;
382	unsigned int frame_size_ch, frame_size_mv;
383	struct s5p_mfc_dev *dev = ctx->dev;
384	unsigned int dpb;
385	size_t buf_addr1, buf_addr2;
386	int buf_size1, buf_size2;
387
388	buf_addr1 = ctx->bank1.dma;
389	buf_size1 = ctx->bank1.size;
390	buf_addr2 = ctx->bank2.dma;
391	buf_size2 = ctx->bank2.size;
392	dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
393						~S5P_FIMV_DPB_COUNT_MASK;
394	mfc_write(dev, ctx->total_dpb_count | dpb,
395						S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
396	s5p_mfc_set_shared_buffer(ctx);
397	switch (ctx->codec_mode) {
398	case S5P_MFC_CODEC_H264_DEC:
399		mfc_write(dev, OFFSETA(buf_addr1),
400						S5P_FIMV_H264_VERT_NB_MV_ADR);
401		buf_addr1 += S5P_FIMV_DEC_VERT_NB_MV_SIZE;
402		buf_size1 -= S5P_FIMV_DEC_VERT_NB_MV_SIZE;
403		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_NB_IP_ADR);
404		buf_addr1 += S5P_FIMV_DEC_NB_IP_SIZE;
405		buf_size1 -= S5P_FIMV_DEC_NB_IP_SIZE;
406		break;
407	case S5P_MFC_CODEC_MPEG4_DEC:
408		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_NB_DCAC_ADR);
409		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
410		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
411		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_NB_MV_ADR);
412		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
413		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
414		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SA_MV_ADR);
415		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
416		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
417		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SP_ADR);
418		buf_addr1 += S5P_FIMV_DEC_STX_PARSER_SIZE;
419		buf_size1 -= S5P_FIMV_DEC_STX_PARSER_SIZE;
420		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_OT_LINE_ADR);
421		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
422		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
423		break;
424	case S5P_MFC_CODEC_H263_DEC:
425		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_OT_LINE_ADR);
426		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
427		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
428		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_NB_MV_ADR);
429		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
430		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
431		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_SA_MV_ADR);
432		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
433		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
434		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_NB_DCAC_ADR);
435		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
436		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
437		break;
438	case S5P_MFC_CODEC_VC1_DEC:
439	case S5P_MFC_CODEC_VC1RCV_DEC:
440		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_NB_DCAC_ADR);
441		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
442		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
443		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_OT_LINE_ADR);
444		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
445		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
446		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_UP_NB_MV_ADR);
447		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
448		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
449		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_SA_MV_ADR);
450		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
451		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
452		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE3_ADR);
453		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
454		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
455		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE2_ADR);
456		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
457		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
458		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE1_ADR);
459		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
460		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
461		break;
462	case S5P_MFC_CODEC_MPEG2_DEC:
463		break;
464	default:
465		mfc_err("Unknown codec for decoding (%x)\n",
466			ctx->codec_mode);
467		return -EINVAL;
468	}
469	frame_size_lu = ctx->luma_size;
470	frame_size_ch = ctx->chroma_size;
471	frame_size_mv = ctx->mv_size;
472	mfc_debug(2, "Frm size: %d ch: %d mv: %d\n", frame_size_lu, frame_size_ch,
473								frame_size_mv);
474	for (i = 0; i < ctx->total_dpb_count; i++) {
475		/* Bank2 */
476		mfc_debug(2, "Luma %d: %zx\n", i,
477					ctx->dst_bufs[i].cookie.raw.luma);
478		mfc_write(dev, OFFSETB(ctx->dst_bufs[i].cookie.raw.luma),
479						S5P_FIMV_DEC_LUMA_ADR + i * 4);
480		mfc_debug(2, "\tChroma %d: %zx\n", i,
481					ctx->dst_bufs[i].cookie.raw.chroma);
482		mfc_write(dev, OFFSETA(ctx->dst_bufs[i].cookie.raw.chroma),
483					       S5P_FIMV_DEC_CHROMA_ADR + i * 4);
484		if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC) {
485			mfc_debug(2, "\tBuf2: %zx, size: %d\n",
486							buf_addr2, buf_size2);
487			mfc_write(dev, OFFSETB(buf_addr2),
488						S5P_FIMV_H264_MV_ADR + i * 4);
489			buf_addr2 += frame_size_mv;
490			buf_size2 -= frame_size_mv;
491		}
492	}
493	mfc_debug(2, "Buf1: %zu, buf_size1: %d\n", buf_addr1, buf_size1);
494	mfc_debug(2, "Buf 1/2 size after: %d/%d (frames %d)\n",
495			buf_size1,  buf_size2, ctx->total_dpb_count);
496	if (buf_size1 < 0 || buf_size2 < 0) {
497		mfc_debug(2, "Not enough memory has been allocated\n");
498		return -ENOMEM;
499	}
500	s5p_mfc_write_info_v5(ctx, frame_size_lu, ALLOC_LUMA_DPB_SIZE);
501	s5p_mfc_write_info_v5(ctx, frame_size_ch, ALLOC_CHROMA_DPB_SIZE);
502	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC)
503		s5p_mfc_write_info_v5(ctx, frame_size_mv, ALLOC_MV_SIZE);
504	mfc_write(dev, ((S5P_FIMV_CH_INIT_BUFS & S5P_FIMV_CH_MASK)
505					<< S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
506						S5P_FIMV_SI_CH0_INST_ID);
507	return 0;
508}
509
510/* Set registers for encoding stream buffer */
511static int s5p_mfc_set_enc_stream_buffer_v5(struct s5p_mfc_ctx *ctx,
512		unsigned long addr, unsigned int size)
513{
514	struct s5p_mfc_dev *dev = ctx->dev;
515
516	mfc_write(dev, OFFSETA(addr), S5P_FIMV_ENC_SI_CH0_SB_ADR);
517	mfc_write(dev, size, S5P_FIMV_ENC_SI_CH0_SB_SIZE);
518	return 0;
519}
520
521static void s5p_mfc_set_enc_frame_buffer_v5(struct s5p_mfc_ctx *ctx,
522		unsigned long y_addr, unsigned long c_addr)
523{
524	struct s5p_mfc_dev *dev = ctx->dev;
525
526	mfc_write(dev, OFFSETB(y_addr), S5P_FIMV_ENC_SI_CH0_CUR_Y_ADR);
527	mfc_write(dev, OFFSETB(c_addr), S5P_FIMV_ENC_SI_CH0_CUR_C_ADR);
528}
529
530static void s5p_mfc_get_enc_frame_buffer_v5(struct s5p_mfc_ctx *ctx,
531		unsigned long *y_addr, unsigned long *c_addr)
532{
533	struct s5p_mfc_dev *dev = ctx->dev;
534
535	*y_addr = dev->bank2 + (mfc_read(dev, S5P_FIMV_ENCODED_Y_ADDR)
536							<< MFC_OFFSET_SHIFT);
537	*c_addr = dev->bank2 + (mfc_read(dev, S5P_FIMV_ENCODED_C_ADDR)
538							<< MFC_OFFSET_SHIFT);
539}
540
541/* Set encoding ref & codec buffer */
542static int s5p_mfc_set_enc_ref_buffer_v5(struct s5p_mfc_ctx *ctx)
543{
544	struct s5p_mfc_dev *dev = ctx->dev;
545	size_t buf_addr1, buf_addr2;
546	size_t buf_size1, buf_size2;
547	unsigned int enc_ref_y_size, enc_ref_c_size;
548	unsigned int guard_width, guard_height;
549	int i;
550
551	buf_addr1 = ctx->bank1.dma;
552	buf_size1 = ctx->bank1.size;
553	buf_addr2 = ctx->bank2.dma;
554	buf_size2 = ctx->bank2.size;
555	enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
556		* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
557	enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
558	if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC) {
559		enc_ref_c_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
560			* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12MT_VALIGN);
561		enc_ref_c_size = ALIGN(enc_ref_c_size, S5P_FIMV_NV12MT_SALIGN);
562	} else {
563		guard_width = ALIGN(ctx->img_width + 16,
564						S5P_FIMV_NV12MT_HALIGN);
565		guard_height = ALIGN((ctx->img_height >> 1) + 4,
566						S5P_FIMV_NV12MT_VALIGN);
567		enc_ref_c_size = ALIGN(guard_width * guard_height,
568				       S5P_FIMV_NV12MT_SALIGN);
569	}
570	mfc_debug(2, "buf_size1: %zu, buf_size2: %zu\n", buf_size1, buf_size2);
571	switch (ctx->codec_mode) {
572	case S5P_MFC_CODEC_H264_ENC:
573		for (i = 0; i < 2; i++) {
574			mfc_write(dev, OFFSETA(buf_addr1),
575				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
576			buf_addr1 += enc_ref_y_size;
577			buf_size1 -= enc_ref_y_size;
578
579			mfc_write(dev, OFFSETB(buf_addr2),
580				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
581			buf_addr2 += enc_ref_y_size;
582			buf_size2 -= enc_ref_y_size;
583		}
584		for (i = 0; i < 4; i++) {
585			mfc_write(dev, OFFSETB(buf_addr2),
586				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
587			buf_addr2 += enc_ref_c_size;
588			buf_size2 -= enc_ref_c_size;
589		}
590		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_UP_MV_ADR);
591		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
592		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
593		mfc_write(dev, OFFSETA(buf_addr1),
594					S5P_FIMV_H264_COZERO_FLAG_ADR);
595		buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
596		buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
597		mfc_write(dev, OFFSETA(buf_addr1),
598					S5P_FIMV_H264_UP_INTRA_MD_ADR);
599		buf_addr1 += S5P_FIMV_ENC_INTRAMD_SIZE;
600		buf_size1 -= S5P_FIMV_ENC_INTRAMD_SIZE;
601		mfc_write(dev, OFFSETB(buf_addr2),
602					S5P_FIMV_H264_UP_INTRA_PRED_ADR);
603		buf_addr2 += S5P_FIMV_ENC_INTRAPRED_SIZE;
604		buf_size2 -= S5P_FIMV_ENC_INTRAPRED_SIZE;
605		mfc_write(dev, OFFSETA(buf_addr1),
606					S5P_FIMV_H264_NBOR_INFO_ADR);
607		buf_addr1 += S5P_FIMV_ENC_NBORINFO_SIZE;
608		buf_size1 -= S5P_FIMV_ENC_NBORINFO_SIZE;
609		mfc_debug(2, "buf_size1: %zu, buf_size2: %zu\n",
610			buf_size1, buf_size2);
611		break;
612	case S5P_MFC_CODEC_MPEG4_ENC:
613		for (i = 0; i < 2; i++) {
614			mfc_write(dev, OFFSETA(buf_addr1),
615				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
616			buf_addr1 += enc_ref_y_size;
617			buf_size1 -= enc_ref_y_size;
618			mfc_write(dev, OFFSETB(buf_addr2),
619				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
620			buf_addr2 += enc_ref_y_size;
621			buf_size2 -= enc_ref_y_size;
622		}
623		for (i = 0; i < 4; i++) {
624			mfc_write(dev, OFFSETB(buf_addr2),
625				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
626			buf_addr2 += enc_ref_c_size;
627			buf_size2 -= enc_ref_c_size;
628		}
629		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_MV_ADR);
630		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
631		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
632		mfc_write(dev, OFFSETA(buf_addr1),
633						S5P_FIMV_MPEG4_COZERO_FLAG_ADR);
634		buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
635		buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
636		mfc_write(dev, OFFSETA(buf_addr1),
637						S5P_FIMV_MPEG4_ACDC_COEF_ADR);
638		buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
639		buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
640		mfc_debug(2, "buf_size1: %zu, buf_size2: %zu\n",
641			buf_size1, buf_size2);
642		break;
643	case S5P_MFC_CODEC_H263_ENC:
644		for (i = 0; i < 2; i++) {
645			mfc_write(dev, OFFSETA(buf_addr1),
646				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
647			buf_addr1 += enc_ref_y_size;
648			buf_size1 -= enc_ref_y_size;
649			mfc_write(dev, OFFSETB(buf_addr2),
650				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
651			buf_addr2 += enc_ref_y_size;
652			buf_size2 -= enc_ref_y_size;
653		}
654		for (i = 0; i < 4; i++) {
655			mfc_write(dev, OFFSETB(buf_addr2),
656				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
657			buf_addr2 += enc_ref_c_size;
658			buf_size2 -= enc_ref_c_size;
659		}
660		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_MV_ADR);
661		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
662		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
663		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_ACDC_COEF_ADR);
664		buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
665		buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
666		mfc_debug(2, "buf_size1: %zu, buf_size2: %zu\n",
667			buf_size1, buf_size2);
668		break;
669	default:
670		mfc_err("Unknown codec set for encoding: %d\n",
671			ctx->codec_mode);
672		return -EINVAL;
673	}
674	return 0;
675}
676
677static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
678{
679	struct s5p_mfc_dev *dev = ctx->dev;
680	struct s5p_mfc_enc_params *p = &ctx->enc_params;
681	unsigned int reg;
682	unsigned int shm;
683
684	/* width */
685	mfc_write(dev, ctx->img_width, S5P_FIMV_ENC_HSIZE_PX);
686	/* height */
687	mfc_write(dev, ctx->img_height, S5P_FIMV_ENC_VSIZE_PX);
688	/* pictype : enable, IDR period */
689	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
690	reg |= (1 << 18);
691	reg &= ~(0xFFFF);
692	reg |= p->gop_size;
693	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
694	mfc_write(dev, 0, S5P_FIMV_ENC_B_RECON_WRITE_ON);
695	/* multi-slice control */
696	/* multi-slice MB number or bit size */
697	mfc_write(dev, p->slice_mode, S5P_FIMV_ENC_MSLICE_CTRL);
698	if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) {
699		mfc_write(dev, p->slice_mb, S5P_FIMV_ENC_MSLICE_MB);
700	} else if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES) {
701		mfc_write(dev, p->slice_bit, S5P_FIMV_ENC_MSLICE_BIT);
702	} else {
703		mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_MB);
704		mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_BIT);
705	}
706	/* cyclic intra refresh */
707	mfc_write(dev, p->intra_refresh_mb, S5P_FIMV_ENC_CIR_CTRL);
708	/* memory structure cur. frame */
709	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
710		mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
711	else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
712		mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
713	/* padding control & value */
714	reg = mfc_read(dev, S5P_FIMV_ENC_PADDING_CTRL);
715	if (p->pad) {
716		/** enable */
717		reg |= (1 << 31);
718		/** cr value */
719		reg &= ~(0xFF << 16);
720		reg |= (p->pad_cr << 16);
721		/** cb value */
722		reg &= ~(0xFF << 8);
723		reg |= (p->pad_cb << 8);
724		/** y value */
725		reg &= ~(0xFF);
726		reg |= (p->pad_luma);
727	} else {
728		/** disable & all value clear */
729		reg = 0;
730	}
731	mfc_write(dev, reg, S5P_FIMV_ENC_PADDING_CTRL);
732	/* rate control config. */
733	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
734	/** frame-level rate control */
735	reg &= ~(0x1 << 9);
736	reg |= (p->rc_frame << 9);
737	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
738	/* bit rate */
739	if (p->rc_frame)
740		mfc_write(dev, p->rc_bitrate,
741			S5P_FIMV_ENC_RC_BIT_RATE);
742	else
743		mfc_write(dev, 0, S5P_FIMV_ENC_RC_BIT_RATE);
744	/* reaction coefficient */
745	if (p->rc_frame)
746		mfc_write(dev, p->rc_reaction_coeff, S5P_FIMV_ENC_RC_RPARA);
747	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
748	/* seq header ctrl */
749	shm &= ~(0x1 << 3);
750	shm |= (p->seq_hdr_mode << 3);
751	/* frame skip mode */
752	shm &= ~(0x3 << 1);
753	shm |= (p->frame_skip_mode << 1);
754	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
755	/* fixed target bit */
756	s5p_mfc_write_info_v5(ctx, p->fixed_target_bit, RC_CONTROL_CONFIG);
757	return 0;
758}
759
760static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
761{
762	struct s5p_mfc_dev *dev = ctx->dev;
763	struct s5p_mfc_enc_params *p = &ctx->enc_params;
764	struct s5p_mfc_h264_enc_params *p_264 = &p->codec.h264;
765	unsigned int reg;
766	unsigned int shm;
767
768	s5p_mfc_set_enc_params(ctx);
769	/* pictype : number of B */
770	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
771	/* num_b_frame - 0 ~ 2 */
772	reg &= ~(0x3 << 16);
773	reg |= (p->num_b_frame << 16);
774	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
775	/* profile & level */
776	reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
777	/* level */
778	reg &= ~(0xFF << 8);
779	reg |= (p_264->level << 8);
780	/* profile - 0 ~ 2 */
781	reg &= ~(0x3F);
782	reg |= p_264->profile;
783	mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
784	/* interlace  */
785	mfc_write(dev, p_264->interlace, S5P_FIMV_ENC_PIC_STRUCT);
786	/* height */
787	if (p_264->interlace)
788		mfc_write(dev, ctx->img_height >> 1, S5P_FIMV_ENC_VSIZE_PX);
789	/* loopfilter ctrl */
790	mfc_write(dev, p_264->loop_filter_mode, S5P_FIMV_ENC_LF_CTRL);
791	/* loopfilter alpha offset */
792	if (p_264->loop_filter_alpha < 0) {
793		reg = 0x10;
794		reg |= (0xFF - p_264->loop_filter_alpha) + 1;
795	} else {
796		reg = 0x00;
797		reg |= (p_264->loop_filter_alpha & 0xF);
798	}
799	mfc_write(dev, reg, S5P_FIMV_ENC_ALPHA_OFF);
800	/* loopfilter beta offset */
801	if (p_264->loop_filter_beta < 0) {
802		reg = 0x10;
803		reg |= (0xFF - p_264->loop_filter_beta) + 1;
804	} else {
805		reg = 0x00;
806		reg |= (p_264->loop_filter_beta & 0xF);
807	}
808	mfc_write(dev, reg, S5P_FIMV_ENC_BETA_OFF);
809	/* entropy coding mode */
810	if (p_264->entropy_mode == V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC)
811		mfc_write(dev, 1, S5P_FIMV_ENC_H264_ENTROPY_MODE);
812	else
813		mfc_write(dev, 0, S5P_FIMV_ENC_H264_ENTROPY_MODE);
814	/* number of ref. picture */
815	reg = mfc_read(dev, S5P_FIMV_ENC_H264_NUM_OF_REF);
816	/* num of ref. pictures of P */
817	reg &= ~(0x3 << 5);
818	reg |= (p_264->num_ref_pic_4p << 5);
819	/* max number of ref. pictures */
820	reg &= ~(0x1F);
821	reg |= p_264->max_ref_pic;
822	mfc_write(dev, reg, S5P_FIMV_ENC_H264_NUM_OF_REF);
823	/* 8x8 transform enable */
824	mfc_write(dev, p_264->_8x8_transform, S5P_FIMV_ENC_H264_TRANS_FLAG);
825	/* rate control config. */
826	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
827	/* macroblock level rate control */
828	reg &= ~(0x1 << 8);
829	reg |= (p->rc_mb << 8);
830	/* frame QP */
831	reg &= ~(0x3F);
832	reg |= p_264->rc_frame_qp;
833	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
834	/* frame rate */
835	if (p->rc_frame && p->rc_framerate_denom)
836		mfc_write(dev, p->rc_framerate_num * 1000
837			/ p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
838	else
839		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
840	/* max & min value of QP */
841	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
842	/* max QP */
843	reg &= ~(0x3F << 8);
844	reg |= (p_264->rc_max_qp << 8);
845	/* min QP */
846	reg &= ~(0x3F);
847	reg |= p_264->rc_min_qp;
848	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
849	/* macroblock adaptive scaling features */
850	if (p->rc_mb) {
851		reg = mfc_read(dev, S5P_FIMV_ENC_RC_MB_CTRL);
852		/* dark region */
853		reg &= ~(0x1 << 3);
854		reg |= (p_264->rc_mb_dark << 3);
855		/* smooth region */
856		reg &= ~(0x1 << 2);
857		reg |= (p_264->rc_mb_smooth << 2);
858		/* static region */
859		reg &= ~(0x1 << 1);
860		reg |= (p_264->rc_mb_static << 1);
861		/* high activity region */
862		reg &= ~(0x1);
863		reg |= p_264->rc_mb_activity;
864		mfc_write(dev, reg, S5P_FIMV_ENC_RC_MB_CTRL);
865	}
866	if (!p->rc_frame && !p->rc_mb) {
867		shm = s5p_mfc_read_info_v5(ctx, P_B_FRAME_QP);
868		shm &= ~(0xFFF);
869		shm |= ((p_264->rc_b_frame_qp & 0x3F) << 6);
870		shm |= (p_264->rc_p_frame_qp & 0x3F);
871		s5p_mfc_write_info_v5(ctx, shm, P_B_FRAME_QP);
872	}
873	/* extended encoder ctrl */
874	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
875	/* AR VUI control */
876	shm &= ~(0x1 << 15);
877	shm |= (p_264->vui_sar << 1);
878	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
879	if (p_264->vui_sar) {
880		/* aspect ration IDC */
881		shm = s5p_mfc_read_info_v5(ctx, SAMPLE_ASPECT_RATIO_IDC);
882		shm &= ~(0xFF);
883		shm |= p_264->vui_sar_idc;
884		s5p_mfc_write_info_v5(ctx, shm, SAMPLE_ASPECT_RATIO_IDC);
885		if (p_264->vui_sar_idc == 0xFF) {
886			/* sample  AR info */
887			shm = s5p_mfc_read_info_v5(ctx, EXTENDED_SAR);
888			shm &= ~(0xFFFFFFFF);
889			shm |= p_264->vui_ext_sar_width << 16;
890			shm |= p_264->vui_ext_sar_height;
891			s5p_mfc_write_info_v5(ctx, shm, EXTENDED_SAR);
892		}
893	}
894	/* intra picture period for H.264 */
895	shm = s5p_mfc_read_info_v5(ctx, H264_I_PERIOD);
896	/* control */
897	shm &= ~(0x1 << 16);
898	shm |= (p_264->open_gop << 16);
899	/* value */
900	if (p_264->open_gop) {
901		shm &= ~(0xFFFF);
902		shm |= p_264->open_gop_size;
903	}
904	s5p_mfc_write_info_v5(ctx, shm, H264_I_PERIOD);
905	/* extended encoder ctrl */
906	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
907	/* vbv buffer size */
908	if (p->frame_skip_mode ==
909			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
910		shm &= ~(0xFFFF << 16);
911		shm |= (p_264->cpb_size << 16);
912	}
913	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
914	return 0;
915}
916
917static int s5p_mfc_set_enc_params_mpeg4(struct s5p_mfc_ctx *ctx)
918{
919	struct s5p_mfc_dev *dev = ctx->dev;
920	struct s5p_mfc_enc_params *p = &ctx->enc_params;
921	struct s5p_mfc_mpeg4_enc_params *p_mpeg4 = &p->codec.mpeg4;
922	unsigned int reg;
923	unsigned int shm;
924	unsigned int framerate;
925
926	s5p_mfc_set_enc_params(ctx);
927	/* pictype : number of B */
928	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
929	/* num_b_frame - 0 ~ 2 */
930	reg &= ~(0x3 << 16);
931	reg |= (p->num_b_frame << 16);
932	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
933	/* profile & level */
934	reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
935	/* level */
936	reg &= ~(0xFF << 8);
937	reg |= (p_mpeg4->level << 8);
938	/* profile - 0 ~ 2 */
939	reg &= ~(0x3F);
940	reg |= p_mpeg4->profile;
941	mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
942	/* quarter_pixel */
943	mfc_write(dev, p_mpeg4->quarter_pixel, S5P_FIMV_ENC_MPEG4_QUART_PXL);
944	/* qp */
945	if (!p->rc_frame) {
946		shm = s5p_mfc_read_info_v5(ctx, P_B_FRAME_QP);
947		shm &= ~(0xFFF);
948		shm |= ((p_mpeg4->rc_b_frame_qp & 0x3F) << 6);
949		shm |= (p_mpeg4->rc_p_frame_qp & 0x3F);
950		s5p_mfc_write_info_v5(ctx, shm, P_B_FRAME_QP);
951	}
952	/* frame rate */
953	if (p->rc_frame) {
954		if (p->rc_framerate_denom > 0) {
955			framerate = p->rc_framerate_num * 1000 /
956						p->rc_framerate_denom;
957			mfc_write(dev, framerate,
958				S5P_FIMV_ENC_RC_FRAME_RATE);
959			shm = s5p_mfc_read_info_v5(ctx, RC_VOP_TIMING);
960			shm &= ~(0xFFFFFFFF);
961			shm |= (1 << 31);
962			shm |= ((p->rc_framerate_num & 0x7FFF) << 16);
963			shm |= (p->rc_framerate_denom & 0xFFFF);
964			s5p_mfc_write_info_v5(ctx, shm, RC_VOP_TIMING);
965		}
966	} else {
967		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
968	}
969	/* rate control config. */
970	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
971	/* frame QP */
972	reg &= ~(0x3F);
973	reg |= p_mpeg4->rc_frame_qp;
974	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
975	/* max & min value of QP */
976	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
977	/* max QP */
978	reg &= ~(0x3F << 8);
979	reg |= (p_mpeg4->rc_max_qp << 8);
980	/* min QP */
981	reg &= ~(0x3F);
982	reg |= p_mpeg4->rc_min_qp;
983	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
984	/* extended encoder ctrl */
985	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
986	/* vbv buffer size */
987	if (p->frame_skip_mode ==
988			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
989		shm &= ~(0xFFFF << 16);
990		shm |= (p->vbv_size << 16);
991	}
992	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
993	return 0;
994}
995
996static int s5p_mfc_set_enc_params_h263(struct s5p_mfc_ctx *ctx)
997{
998	struct s5p_mfc_dev *dev = ctx->dev;
999	struct s5p_mfc_enc_params *p = &ctx->enc_params;
1000	struct s5p_mfc_mpeg4_enc_params *p_h263 = &p->codec.mpeg4;
1001	unsigned int reg;
1002	unsigned int shm;
1003
1004	s5p_mfc_set_enc_params(ctx);
1005	/* qp */
1006	if (!p->rc_frame) {
1007		shm = s5p_mfc_read_info_v5(ctx, P_B_FRAME_QP);
1008		shm &= ~(0xFFF);
1009		shm |= (p_h263->rc_p_frame_qp & 0x3F);
1010		s5p_mfc_write_info_v5(ctx, shm, P_B_FRAME_QP);
1011	}
1012	/* frame rate */
1013	if (p->rc_frame && p->rc_framerate_denom)
1014		mfc_write(dev, p->rc_framerate_num * 1000
1015			/ p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
1016	else
1017		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
1018	/* rate control config. */
1019	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
1020	/* frame QP */
1021	reg &= ~(0x3F);
1022	reg |= p_h263->rc_frame_qp;
1023	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
1024	/* max & min value of QP */
1025	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
1026	/* max QP */
1027	reg &= ~(0x3F << 8);
1028	reg |= (p_h263->rc_max_qp << 8);
1029	/* min QP */
1030	reg &= ~(0x3F);
1031	reg |= p_h263->rc_min_qp;
1032	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
1033	/* extended encoder ctrl */
1034	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
1035	/* vbv buffer size */
1036	if (p->frame_skip_mode ==
1037			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
1038		shm &= ~(0xFFFF << 16);
1039		shm |= (p->vbv_size << 16);
1040	}
1041	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
1042	return 0;
1043}
1044
1045/* Initialize decoding */
1046static int s5p_mfc_init_decode_v5(struct s5p_mfc_ctx *ctx)
1047{
1048	struct s5p_mfc_dev *dev = ctx->dev;
1049
1050	s5p_mfc_set_shared_buffer(ctx);
1051	/* Setup loop filter, for decoding this is only valid for MPEG4 */
1052	if (ctx->codec_mode == S5P_MFC_CODEC_MPEG4_DEC)
1053		mfc_write(dev, ctx->loop_filter_mpeg4, S5P_FIMV_ENC_LF_CTRL);
1054	else
1055		mfc_write(dev, 0, S5P_FIMV_ENC_LF_CTRL);
1056	mfc_write(dev, ((ctx->slice_interface & S5P_FIMV_SLICE_INT_MASK) <<
1057		S5P_FIMV_SLICE_INT_SHIFT) | (ctx->display_delay_enable <<
1058		S5P_FIMV_DDELAY_ENA_SHIFT) | ((ctx->display_delay &
1059		S5P_FIMV_DDELAY_VAL_MASK) << S5P_FIMV_DDELAY_VAL_SHIFT),
1060		S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
1061	mfc_write(dev,
1062	((S5P_FIMV_CH_SEQ_HEADER & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
1063				| (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1064	return 0;
1065}
1066
1067static void s5p_mfc_set_flush(struct s5p_mfc_ctx *ctx, int flush)
1068{
1069	struct s5p_mfc_dev *dev = ctx->dev;
1070	unsigned int dpb;
1071
1072	if (flush)
1073		dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) | (
1074			S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
1075	else
1076		dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
1077			~(S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
1078	mfc_write(dev, dpb, S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
1079}
1080
1081/* Decode a single frame */
1082static int s5p_mfc_decode_one_frame_v5(struct s5p_mfc_ctx *ctx,
1083					enum s5p_mfc_decode_arg last_frame)
1084{
1085	struct s5p_mfc_dev *dev = ctx->dev;
1086
1087	mfc_write(dev, ctx->dec_dst_flag, S5P_FIMV_SI_CH0_RELEASE_BUF);
1088	s5p_mfc_set_shared_buffer(ctx);
1089	s5p_mfc_set_flush(ctx, ctx->dpb_flush_flag);
1090	/* Issue different commands to instance basing on whether it
1091	 * is the last frame or not. */
1092	switch (last_frame) {
1093	case MFC_DEC_FRAME:
1094		mfc_write(dev, ((S5P_FIMV_CH_FRAME_START & S5P_FIMV_CH_MASK) <<
1095		S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1096		break;
1097	case MFC_DEC_LAST_FRAME:
1098		mfc_write(dev, ((S5P_FIMV_CH_LAST_FRAME & S5P_FIMV_CH_MASK) <<
1099		S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1100		break;
1101	case MFC_DEC_RES_CHANGE:
1102		mfc_write(dev, ((S5P_FIMV_CH_FRAME_START_REALLOC &
1103		S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
1104		S5P_FIMV_SI_CH0_INST_ID);
1105		break;
1106	}
1107	mfc_debug(2, "Decoding a usual frame\n");
1108	return 0;
1109}
1110
1111static int s5p_mfc_init_encode_v5(struct s5p_mfc_ctx *ctx)
1112{
1113	struct s5p_mfc_dev *dev = ctx->dev;
1114
1115	if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC)
1116		s5p_mfc_set_enc_params_h264(ctx);
1117	else if (ctx->codec_mode == S5P_MFC_CODEC_MPEG4_ENC)
1118		s5p_mfc_set_enc_params_mpeg4(ctx);
1119	else if (ctx->codec_mode == S5P_MFC_CODEC_H263_ENC)
1120		s5p_mfc_set_enc_params_h263(ctx);
1121	else {
1122		mfc_err("Unknown codec for encoding (%x)\n",
1123			ctx->codec_mode);
1124		return -EINVAL;
1125	}
1126	s5p_mfc_set_shared_buffer(ctx);
1127	mfc_write(dev, ((S5P_FIMV_CH_SEQ_HEADER << 16) & 0x70000) |
1128		(ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1129	return 0;
1130}
1131
1132/* Encode a single frame */
1133static int s5p_mfc_encode_one_frame_v5(struct s5p_mfc_ctx *ctx)
1134{
1135	struct s5p_mfc_dev *dev = ctx->dev;
1136	int cmd;
1137	/* memory structure cur. frame */
1138	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
1139		mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
1140	else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
1141		mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
1142	s5p_mfc_set_shared_buffer(ctx);
1143
1144	if (ctx->state == MFCINST_FINISHING)
1145		cmd = S5P_FIMV_CH_LAST_FRAME;
1146	else
1147		cmd = S5P_FIMV_CH_FRAME_START;
1148	mfc_write(dev, ((cmd & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
1149				| (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1150
1151	return 0;
1152}
1153
1154static int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
1155{
1156	unsigned long flags;
1157	int new_ctx;
1158	int cnt;
1159
1160	spin_lock_irqsave(&dev->condlock, flags);
1161	new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS;
1162	cnt = 0;
1163	while (!test_bit(new_ctx, &dev->ctx_work_bits)) {
1164		new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS;
1165		if (++cnt > MFC_NUM_CONTEXTS) {
1166			/* No contexts to run */
1167			spin_unlock_irqrestore(&dev->condlock, flags);
1168			return -EAGAIN;
1169		}
1170	}
1171	spin_unlock_irqrestore(&dev->condlock, flags);
1172	return new_ctx;
1173}
1174
1175static void s5p_mfc_run_res_change(struct s5p_mfc_ctx *ctx)
1176{
1177	struct s5p_mfc_dev *dev = ctx->dev;
1178
1179	s5p_mfc_set_dec_stream_buffer_v5(ctx, 0, 0, 0);
1180	dev->curr_ctx = ctx->num;
1181	s5p_mfc_decode_one_frame_v5(ctx, MFC_DEC_RES_CHANGE);
1182}
1183
1184static int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx, int last_frame)
1185{
1186	struct s5p_mfc_dev *dev = ctx->dev;
1187	struct s5p_mfc_buf *temp_vb;
1188	unsigned long flags;
1189
1190	if (ctx->state == MFCINST_FINISHING) {
1191		last_frame = MFC_DEC_LAST_FRAME;
1192		s5p_mfc_set_dec_stream_buffer_v5(ctx, 0, 0, 0);
1193		dev->curr_ctx = ctx->num;
1194		s5p_mfc_decode_one_frame_v5(ctx, last_frame);
1195		return 0;
1196	}
1197
1198	spin_lock_irqsave(&dev->irqlock, flags);
1199	/* Frames are being decoded */
1200	if (list_empty(&ctx->src_queue)) {
1201		mfc_debug(2, "No src buffers\n");
1202		spin_unlock_irqrestore(&dev->irqlock, flags);
1203		return -EAGAIN;
1204	}
1205	/* Get the next source buffer */
1206	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
1207	temp_vb->flags |= MFC_BUF_FLAG_USED;
1208	s5p_mfc_set_dec_stream_buffer_v5(ctx,
1209		vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
1210		ctx->consumed_stream, temp_vb->b->v4l2_planes[0].bytesused);
1211	spin_unlock_irqrestore(&dev->irqlock, flags);
1212	dev->curr_ctx = ctx->num;
1213	if (temp_vb->b->v4l2_planes[0].bytesused == 0) {
1214		last_frame = MFC_DEC_LAST_FRAME;
1215		mfc_debug(2, "Setting ctx->state to FINISHING\n");
1216		ctx->state = MFCINST_FINISHING;
1217	}
1218	s5p_mfc_decode_one_frame_v5(ctx, last_frame);
1219	return 0;
1220}
1221
1222static int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
1223{
1224	struct s5p_mfc_dev *dev = ctx->dev;
1225	unsigned long flags;
1226	struct s5p_mfc_buf *dst_mb;
1227	struct s5p_mfc_buf *src_mb;
1228	unsigned long src_y_addr, src_c_addr, dst_addr;
1229	unsigned int dst_size;
1230
1231	spin_lock_irqsave(&dev->irqlock, flags);
1232	if (list_empty(&ctx->src_queue) && ctx->state != MFCINST_FINISHING) {
1233		mfc_debug(2, "no src buffers\n");
1234		spin_unlock_irqrestore(&dev->irqlock, flags);
1235		return -EAGAIN;
1236	}
1237	if (list_empty(&ctx->dst_queue)) {
1238		mfc_debug(2, "no dst buffers\n");
1239		spin_unlock_irqrestore(&dev->irqlock, flags);
1240		return -EAGAIN;
1241	}
1242	if (list_empty(&ctx->src_queue)) {
1243		/* send null frame */
1244		s5p_mfc_set_enc_frame_buffer_v5(ctx, dev->bank2, dev->bank2);
1245		src_mb = NULL;
1246	} else {
1247		src_mb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf,
1248									list);
1249		src_mb->flags |= MFC_BUF_FLAG_USED;
1250		if (src_mb->b->v4l2_planes[0].bytesused == 0) {
1251			/* send null frame */
1252			s5p_mfc_set_enc_frame_buffer_v5(ctx, dev->bank2,
1253								dev->bank2);
1254			ctx->state = MFCINST_FINISHING;
1255		} else {
1256			src_y_addr = vb2_dma_contig_plane_dma_addr(src_mb->b,
1257									0);
1258			src_c_addr = vb2_dma_contig_plane_dma_addr(src_mb->b,
1259									1);
1260			s5p_mfc_set_enc_frame_buffer_v5(ctx, src_y_addr,
1261								src_c_addr);
1262			if (src_mb->flags & MFC_BUF_FLAG_EOS)
1263				ctx->state = MFCINST_FINISHING;
1264		}
1265	}
1266	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
1267	dst_mb->flags |= MFC_BUF_FLAG_USED;
1268	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
1269	dst_size = vb2_plane_size(dst_mb->b, 0);
1270	s5p_mfc_set_enc_stream_buffer_v5(ctx, dst_addr, dst_size);
1271	spin_unlock_irqrestore(&dev->irqlock, flags);
1272	dev->curr_ctx = ctx->num;
1273	mfc_debug(2, "encoding buffer with index=%d state=%d\n",
1274		  src_mb ? src_mb->b->v4l2_buf.index : -1, ctx->state);
1275	s5p_mfc_encode_one_frame_v5(ctx);
1276	return 0;
1277}
1278
1279static void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
1280{
1281	struct s5p_mfc_dev *dev = ctx->dev;
1282	unsigned long flags;
1283	struct s5p_mfc_buf *temp_vb;
1284
1285	/* Initializing decoding - parsing header */
1286	spin_lock_irqsave(&dev->irqlock, flags);
1287	mfc_debug(2, "Preparing to init decoding\n");
1288	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
1289	s5p_mfc_set_dec_desc_buffer(ctx);
1290	mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
1291	s5p_mfc_set_dec_stream_buffer_v5(ctx,
1292				vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
1293				0, temp_vb->b->v4l2_planes[0].bytesused);
1294	spin_unlock_irqrestore(&dev->irqlock, flags);
1295	dev->curr_ctx = ctx->num;
1296	s5p_mfc_init_decode_v5(ctx);
1297}
1298
1299static void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
1300{
1301	struct s5p_mfc_dev *dev = ctx->dev;
1302	unsigned long flags;
1303	struct s5p_mfc_buf *dst_mb;
1304	unsigned long dst_addr;
1305	unsigned int dst_size;
1306
1307	s5p_mfc_set_enc_ref_buffer_v5(ctx);
1308	spin_lock_irqsave(&dev->irqlock, flags);
1309	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
1310	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
1311	dst_size = vb2_plane_size(dst_mb->b, 0);
1312	s5p_mfc_set_enc_stream_buffer_v5(ctx, dst_addr, dst_size);
1313	spin_unlock_irqrestore(&dev->irqlock, flags);
1314	dev->curr_ctx = ctx->num;
1315	s5p_mfc_init_encode_v5(ctx);
1316}
1317
1318static int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
1319{
1320	struct s5p_mfc_dev *dev = ctx->dev;
1321	unsigned long flags;
1322	struct s5p_mfc_buf *temp_vb;
1323	int ret;
1324
1325	/*
1326	 * Header was parsed now starting processing
1327	 * First set the output frame buffers
1328	 */
1329	if (ctx->capture_state != QUEUE_BUFS_MMAPED) {
1330		mfc_err("It seems that not all destionation buffers were "
1331			"mmaped\nMFC requires that all destination are mmaped "
1332			"before starting processing\n");
1333		return -EAGAIN;
1334	}
1335	spin_lock_irqsave(&dev->irqlock, flags);
1336	if (list_empty(&ctx->src_queue)) {
1337		mfc_err("Header has been deallocated in the middle of"
1338			" initialization\n");
1339		spin_unlock_irqrestore(&dev->irqlock, flags);
1340		return -EIO;
1341	}
1342	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
1343	mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
1344	s5p_mfc_set_dec_stream_buffer_v5(ctx,
1345				vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
1346				0, temp_vb->b->v4l2_planes[0].bytesused);
1347	spin_unlock_irqrestore(&dev->irqlock, flags);
1348	dev->curr_ctx = ctx->num;
1349	ret = s5p_mfc_set_dec_frame_buffer_v5(ctx);
1350	if (ret) {
1351		mfc_err("Failed to alloc frame mem\n");
1352		ctx->state = MFCINST_ERROR;
1353	}
1354	return ret;
1355}
1356
1357/* Try running an operation on hardware */
1358static void s5p_mfc_try_run_v5(struct s5p_mfc_dev *dev)
1359{
1360	struct s5p_mfc_ctx *ctx;
1361	int new_ctx;
1362	unsigned int ret = 0;
1363
1364	if (test_bit(0, &dev->enter_suspend)) {
1365		mfc_debug(1, "Entering suspend so do not schedule any jobs\n");
1366		return;
1367	}
1368	/* Check whether hardware is not running */
1369	if (test_and_set_bit(0, &dev->hw_lock) != 0) {
1370		/* This is perfectly ok, the scheduled ctx should wait */
1371		mfc_debug(1, "Couldn't lock HW\n");
1372		return;
1373	}
1374	/* Choose the context to run */
1375	new_ctx = s5p_mfc_get_new_ctx(dev);
1376	if (new_ctx < 0) {
1377		/* No contexts to run */
1378		if (test_and_clear_bit(0, &dev->hw_lock) == 0) {
1379			mfc_err("Failed to unlock hardware\n");
1380			return;
1381		}
1382		mfc_debug(1, "No ctx is scheduled to be run\n");
1383		return;
1384	}
1385	ctx = dev->ctx[new_ctx];
1386	/* Got context to run in ctx */
1387	/*
1388	 * Last frame has already been sent to MFC.
1389	 * Now obtaining frames from MFC buffer
1390	 */
1391	s5p_mfc_clock_on();
1392	s5p_mfc_clean_ctx_int_flags(ctx);
1393
1394	if (ctx->type == MFCINST_DECODER) {
1395		s5p_mfc_set_dec_desc_buffer(ctx);
1396		switch (ctx->state) {
1397		case MFCINST_FINISHING:
1398			s5p_mfc_run_dec_frame(ctx, MFC_DEC_LAST_FRAME);
1399			break;
1400		case MFCINST_RUNNING:
1401			ret = s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
1402			break;
1403		case MFCINST_INIT:
1404			ret = s5p_mfc_hw_call(dev->mfc_cmds, open_inst_cmd,
1405					ctx);
1406			break;
1407		case MFCINST_RETURN_INST:
1408			ret = s5p_mfc_hw_call(dev->mfc_cmds, close_inst_cmd,
1409					ctx);
1410			break;
1411		case MFCINST_GOT_INST:
1412			s5p_mfc_run_init_dec(ctx);
1413			break;
1414		case MFCINST_HEAD_PARSED:
1415			ret = s5p_mfc_run_init_dec_buffers(ctx);
1416			mfc_debug(1, "head parsed\n");
1417			break;
1418		case MFCINST_RES_CHANGE_INIT:
1419			s5p_mfc_run_res_change(ctx);
1420			break;
1421		case MFCINST_RES_CHANGE_FLUSH:
1422			s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
1423			break;
1424		case MFCINST_RES_CHANGE_END:
1425			mfc_debug(2, "Finished remaining frames after resolution change\n");
1426			ctx->capture_state = QUEUE_FREE;
1427			mfc_debug(2, "Will re-init the codec\n");
1428			s5p_mfc_run_init_dec(ctx);
1429			break;
1430		default:
1431			ret = -EAGAIN;
1432		}
1433	} else if (ctx->type == MFCINST_ENCODER) {
1434		switch (ctx->state) {
1435		case MFCINST_FINISHING:
1436		case MFCINST_RUNNING:
1437			ret = s5p_mfc_run_enc_frame(ctx);
1438			break;
1439		case MFCINST_INIT:
1440			ret = s5p_mfc_hw_call(dev->mfc_cmds, open_inst_cmd,
1441					ctx);
1442			break;
1443		case MFCINST_RETURN_INST:
1444			ret = s5p_mfc_hw_call(dev->mfc_cmds, close_inst_cmd,
1445					ctx);
1446			break;
1447		case MFCINST_GOT_INST:
1448			s5p_mfc_run_init_enc(ctx);
1449			break;
1450		default:
1451			ret = -EAGAIN;
1452		}
1453	} else {
1454		mfc_err("Invalid context type: %d\n", ctx->type);
1455		ret = -EAGAIN;
1456	}
1457
1458	if (ret) {
1459		/* Free hardware lock */
1460		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
1461			mfc_err("Failed to unlock hardware\n");
1462
1463		/* This is in deed imporant, as no operation has been
1464		 * scheduled, reduce the clock count as no one will
1465		 * ever do this, because no interrupt related to this try_run
1466		 * will ever come from hardware. */
1467		s5p_mfc_clock_off();
1468	}
1469}
1470
1471
1472static void s5p_mfc_cleanup_queue_v5(struct list_head *lh, struct vb2_queue *vq)
1473{
1474	struct s5p_mfc_buf *b;
1475	int i;
1476
1477	while (!list_empty(lh)) {
1478		b = list_entry(lh->next, struct s5p_mfc_buf, list);
1479		for (i = 0; i < b->b->num_planes; i++)
1480			vb2_set_plane_payload(b->b, i, 0);
1481		vb2_buffer_done(b->b, VB2_BUF_STATE_ERROR);
1482		list_del(&b->list);
1483	}
1484}
1485
1486static void s5p_mfc_clear_int_flags_v5(struct s5p_mfc_dev *dev)
1487{
1488	mfc_write(dev, 0, S5P_FIMV_RISC_HOST_INT);
1489	mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD);
1490	mfc_write(dev, 0xffff, S5P_FIMV_SI_RTN_CHID);
1491}
1492
1493static int s5p_mfc_get_dspl_y_adr_v5(struct s5p_mfc_dev *dev)
1494{
1495	return mfc_read(dev, S5P_FIMV_SI_DISPLAY_Y_ADR) << MFC_OFFSET_SHIFT;
1496}
1497
1498static int s5p_mfc_get_dec_y_adr_v5(struct s5p_mfc_dev *dev)
1499{
1500	return mfc_read(dev, S5P_FIMV_SI_DECODE_Y_ADR) << MFC_OFFSET_SHIFT;
1501}
1502
1503static int s5p_mfc_get_dspl_status_v5(struct s5p_mfc_dev *dev)
1504{
1505	return mfc_read(dev, S5P_FIMV_SI_DISPLAY_STATUS);
1506}
1507
1508static int s5p_mfc_get_dec_status_v5(struct s5p_mfc_dev *dev)
1509{
1510	return mfc_read(dev, S5P_FIMV_SI_DECODE_STATUS);
1511}
1512
1513static int s5p_mfc_get_dec_frame_type_v5(struct s5p_mfc_dev *dev)
1514{
1515	return mfc_read(dev, S5P_FIMV_DECODE_FRAME_TYPE) &
1516		S5P_FIMV_DECODE_FRAME_MASK;
1517}
1518
1519static int s5p_mfc_get_disp_frame_type_v5(struct s5p_mfc_ctx *ctx)
1520{
1521	return (s5p_mfc_read_info_v5(ctx, DISP_PIC_FRAME_TYPE) >>
1522			S5P_FIMV_SHARED_DISP_FRAME_TYPE_SHIFT) &
1523			S5P_FIMV_DECODE_FRAME_MASK;
1524}
1525
1526static int s5p_mfc_get_consumed_stream_v5(struct s5p_mfc_dev *dev)
1527{
1528	return mfc_read(dev, S5P_FIMV_SI_CONSUMED_BYTES);
1529}
1530
1531static int s5p_mfc_get_int_reason_v5(struct s5p_mfc_dev *dev)
1532{
1533	int reason;
1534	reason = mfc_read(dev, S5P_FIMV_RISC2HOST_CMD) &
1535		S5P_FIMV_RISC2HOST_CMD_MASK;
1536	switch (reason) {
1537	case S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET:
1538		reason = S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET;
1539		break;
1540	case S5P_FIMV_R2H_CMD_CLOSE_INSTANCE_RET:
1541		reason = S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET;
1542		break;
1543	case S5P_FIMV_R2H_CMD_SEQ_DONE_RET:
1544		reason = S5P_MFC_R2H_CMD_SEQ_DONE_RET;
1545		break;
1546	case S5P_FIMV_R2H_CMD_FRAME_DONE_RET:
1547		reason = S5P_MFC_R2H_CMD_FRAME_DONE_RET;
1548		break;
1549	case S5P_FIMV_R2H_CMD_SLICE_DONE_RET:
1550		reason = S5P_MFC_R2H_CMD_SLICE_DONE_RET;
1551		break;
1552	case S5P_FIMV_R2H_CMD_SYS_INIT_RET:
1553		reason = S5P_MFC_R2H_CMD_SYS_INIT_RET;
1554		break;
1555	case S5P_FIMV_R2H_CMD_FW_STATUS_RET:
1556		reason = S5P_MFC_R2H_CMD_FW_STATUS_RET;
1557		break;
1558	case S5P_FIMV_R2H_CMD_SLEEP_RET:
1559		reason = S5P_MFC_R2H_CMD_SLEEP_RET;
1560		break;
1561	case S5P_FIMV_R2H_CMD_WAKEUP_RET:
1562		reason = S5P_MFC_R2H_CMD_WAKEUP_RET;
1563		break;
1564	case S5P_FIMV_R2H_CMD_INIT_BUFFERS_RET:
1565		reason = S5P_MFC_R2H_CMD_INIT_BUFFERS_RET;
1566		break;
1567	case S5P_FIMV_R2H_CMD_ENC_COMPLETE_RET:
1568		reason = S5P_MFC_R2H_CMD_COMPLETE_SEQ_RET;
1569		break;
1570	case S5P_FIMV_R2H_CMD_ERR_RET:
1571		reason = S5P_MFC_R2H_CMD_ERR_RET;
1572		break;
1573	default:
1574		reason = S5P_MFC_R2H_CMD_EMPTY;
1575	}
1576	return reason;
1577}
1578
1579static int s5p_mfc_get_int_err_v5(struct s5p_mfc_dev *dev)
1580{
1581	return mfc_read(dev, S5P_FIMV_RISC2HOST_ARG2);
1582}
1583
1584static int s5p_mfc_err_dec_v5(unsigned int err)
1585{
1586	return (err & S5P_FIMV_ERR_DEC_MASK) >> S5P_FIMV_ERR_DEC_SHIFT;
1587}
1588
1589static int s5p_mfc_err_dspl_v5(unsigned int err)
1590{
1591	return (err & S5P_FIMV_ERR_DSPL_MASK) >> S5P_FIMV_ERR_DSPL_SHIFT;
1592}
1593
1594static int s5p_mfc_get_img_width_v5(struct s5p_mfc_dev *dev)
1595{
1596	return mfc_read(dev, S5P_FIMV_SI_HRESOL);
1597}
1598
1599static int s5p_mfc_get_img_height_v5(struct s5p_mfc_dev *dev)
1600{
1601	return mfc_read(dev, S5P_FIMV_SI_VRESOL);
1602}
1603
1604static int s5p_mfc_get_dpb_count_v5(struct s5p_mfc_dev *dev)
1605{
1606	return mfc_read(dev, S5P_FIMV_SI_BUF_NUMBER);
1607}
1608
1609static int s5p_mfc_get_mv_count_v5(struct s5p_mfc_dev *dev)
1610{
1611	/* NOP */
1612	return -1;
1613}
1614
1615static int s5p_mfc_get_inst_no_v5(struct s5p_mfc_dev *dev)
1616{
1617	return mfc_read(dev, S5P_FIMV_RISC2HOST_ARG1);
1618}
1619
1620static int s5p_mfc_get_enc_strm_size_v5(struct s5p_mfc_dev *dev)
1621{
1622	return mfc_read(dev, S5P_FIMV_ENC_SI_STRM_SIZE);
1623}
1624
1625static int s5p_mfc_get_enc_slice_type_v5(struct s5p_mfc_dev *dev)
1626{
1627	return mfc_read(dev, S5P_FIMV_ENC_SI_SLICE_TYPE);
1628}
1629
1630static int s5p_mfc_get_enc_dpb_count_v5(struct s5p_mfc_dev *dev)
1631{
1632	return -1;
1633}
1634
1635static int s5p_mfc_get_enc_pic_count_v5(struct s5p_mfc_dev *dev)
1636{
1637	return mfc_read(dev, S5P_FIMV_ENC_SI_PIC_CNT);
1638}
1639
1640static int s5p_mfc_get_sei_avail_status_v5(struct s5p_mfc_ctx *ctx)
1641{
1642	return s5p_mfc_read_info_v5(ctx, FRAME_PACK_SEI_AVAIL);
1643}
1644
1645static int s5p_mfc_get_mvc_num_views_v5(struct s5p_mfc_dev *dev)
1646{
1647	return -1;
1648}
1649
1650static int s5p_mfc_get_mvc_view_id_v5(struct s5p_mfc_dev *dev)
1651{
1652	return -1;
1653}
1654
1655static unsigned int s5p_mfc_get_pic_type_top_v5(struct s5p_mfc_ctx *ctx)
1656{
1657	return s5p_mfc_read_info_v5(ctx, PIC_TIME_TOP);
1658}
1659
1660static unsigned int s5p_mfc_get_pic_type_bot_v5(struct s5p_mfc_ctx *ctx)
1661{
1662	return s5p_mfc_read_info_v5(ctx, PIC_TIME_BOT);
1663}
1664
1665static unsigned int s5p_mfc_get_crop_info_h_v5(struct s5p_mfc_ctx *ctx)
1666{
1667	return s5p_mfc_read_info_v5(ctx, CROP_INFO_H);
1668}
1669
1670static unsigned int s5p_mfc_get_crop_info_v_v5(struct s5p_mfc_ctx *ctx)
1671{
1672	return s5p_mfc_read_info_v5(ctx, CROP_INFO_V);
1673}
1674
1675/* Initialize opr function pointers for MFC v5 */
1676static struct s5p_mfc_hw_ops s5p_mfc_ops_v5 = {
1677	.alloc_dec_temp_buffers = s5p_mfc_alloc_dec_temp_buffers_v5,
1678	.release_dec_desc_buffer = s5p_mfc_release_dec_desc_buffer_v5,
1679	.alloc_codec_buffers = s5p_mfc_alloc_codec_buffers_v5,
1680	.release_codec_buffers = s5p_mfc_release_codec_buffers_v5,
1681	.alloc_instance_buffer = s5p_mfc_alloc_instance_buffer_v5,
1682	.release_instance_buffer = s5p_mfc_release_instance_buffer_v5,
1683	.alloc_dev_context_buffer = s5p_mfc_alloc_dev_context_buffer_v5,
1684	.release_dev_context_buffer = s5p_mfc_release_dev_context_buffer_v5,
1685	.dec_calc_dpb_size = s5p_mfc_dec_calc_dpb_size_v5,
1686	.enc_calc_src_size = s5p_mfc_enc_calc_src_size_v5,
1687	.set_dec_stream_buffer = s5p_mfc_set_dec_stream_buffer_v5,
1688	.set_dec_frame_buffer = s5p_mfc_set_dec_frame_buffer_v5,
1689	.set_enc_stream_buffer = s5p_mfc_set_enc_stream_buffer_v5,
1690	.set_enc_frame_buffer = s5p_mfc_set_enc_frame_buffer_v5,
1691	.get_enc_frame_buffer = s5p_mfc_get_enc_frame_buffer_v5,
1692	.set_enc_ref_buffer = s5p_mfc_set_enc_ref_buffer_v5,
1693	.init_decode = s5p_mfc_init_decode_v5,
1694	.init_encode = s5p_mfc_init_encode_v5,
1695	.encode_one_frame = s5p_mfc_encode_one_frame_v5,
1696	.try_run = s5p_mfc_try_run_v5,
1697	.cleanup_queue = s5p_mfc_cleanup_queue_v5,
1698	.clear_int_flags = s5p_mfc_clear_int_flags_v5,
1699	.write_info = s5p_mfc_write_info_v5,
1700	.read_info = s5p_mfc_read_info_v5,
1701	.get_dspl_y_adr = s5p_mfc_get_dspl_y_adr_v5,
1702	.get_dec_y_adr = s5p_mfc_get_dec_y_adr_v5,
1703	.get_dspl_status = s5p_mfc_get_dspl_status_v5,
1704	.get_dec_status = s5p_mfc_get_dec_status_v5,
1705	.get_dec_frame_type = s5p_mfc_get_dec_frame_type_v5,
1706	.get_disp_frame_type = s5p_mfc_get_disp_frame_type_v5,
1707	.get_consumed_stream = s5p_mfc_get_consumed_stream_v5,
1708	.get_int_reason = s5p_mfc_get_int_reason_v5,
1709	.get_int_err = s5p_mfc_get_int_err_v5,
1710	.err_dec = s5p_mfc_err_dec_v5,
1711	.err_dspl = s5p_mfc_err_dspl_v5,
1712	.get_img_width = s5p_mfc_get_img_width_v5,
1713	.get_img_height = s5p_mfc_get_img_height_v5,
1714	.get_dpb_count = s5p_mfc_get_dpb_count_v5,
1715	.get_mv_count = s5p_mfc_get_mv_count_v5,
1716	.get_inst_no = s5p_mfc_get_inst_no_v5,
1717	.get_enc_strm_size = s5p_mfc_get_enc_strm_size_v5,
1718	.get_enc_slice_type = s5p_mfc_get_enc_slice_type_v5,
1719	.get_enc_dpb_count = s5p_mfc_get_enc_dpb_count_v5,
1720	.get_enc_pic_count = s5p_mfc_get_enc_pic_count_v5,
1721	.get_sei_avail_status = s5p_mfc_get_sei_avail_status_v5,
1722	.get_mvc_num_views = s5p_mfc_get_mvc_num_views_v5,
1723	.get_mvc_view_id = s5p_mfc_get_mvc_view_id_v5,
1724	.get_pic_type_top = s5p_mfc_get_pic_type_top_v5,
1725	.get_pic_type_bot = s5p_mfc_get_pic_type_bot_v5,
1726	.get_crop_info_h = s5p_mfc_get_crop_info_h_v5,
1727	.get_crop_info_v = s5p_mfc_get_crop_info_v_v5,
1728};
1729
1730struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v5(void)
1731{
1732	return &s5p_mfc_ops_v5;
1733}
1734