1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * drivers/media/platform/samsung/mfc5/s5p_mfc_opr_v5.c
4  *
5  * Samsung MFC (Multi Function Codec - FIMV) driver
6  * This file contains hw related functions.
7  *
8  * Kamil Debski, Copyright (c) 2011 Samsung Electronics
9  * http://www.samsung.com/
10  */
11 
12 #include "s5p_mfc_common.h"
13 #include "s5p_mfc_cmd.h"
14 #include "s5p_mfc_ctrl.h"
15 #include "s5p_mfc_debug.h"
16 #include "s5p_mfc_intr.h"
17 #include "s5p_mfc_pm.h"
18 #include "s5p_mfc_opr.h"
19 #include "s5p_mfc_opr_v5.h"
20 #include <asm/cacheflush.h>
21 #include <linux/delay.h>
22 #include <linux/dma-mapping.h>
23 #include <linux/err.h>
24 #include <linux/firmware.h>
25 #include <linux/io.h>
26 #include <linux/jiffies.h>
27 #include <linux/mm.h>
28 #include <linux/sched.h>
29 
30 #define OFFSETA(x)		(((x) - dev->dma_base[BANK_L_CTX]) >> MFC_OFFSET_SHIFT)
31 #define OFFSETB(x)		(((x) - dev->dma_base[BANK_R_CTX]) >> MFC_OFFSET_SHIFT)
32 
33 /* Allocate temporary buffers for decoding */
s5p_mfc_alloc_dec_temp_buffers_v5(struct s5p_mfc_ctx * ctx)34 static int s5p_mfc_alloc_dec_temp_buffers_v5(struct s5p_mfc_ctx *ctx)
35 {
36 	struct s5p_mfc_dev *dev = ctx->dev;
37 	struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv;
38 	int ret;
39 
40 	ctx->dsc.size = buf_size->dsc;
41 	ret =  s5p_mfc_alloc_priv_buf(dev, BANK_L_CTX, &ctx->dsc);
42 	if (ret) {
43 		mfc_err("Failed to allocate temporary buffer\n");
44 		return ret;
45 	}
46 
47 	BUG_ON(ctx->dsc.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
48 	memset(ctx->dsc.virt, 0, ctx->dsc.size);
49 	wmb();
50 	return 0;
51 }
52 
53 
54 /* Release temporary buffers for decoding */
s5p_mfc_release_dec_desc_buffer_v5(struct s5p_mfc_ctx * ctx)55 static void s5p_mfc_release_dec_desc_buffer_v5(struct s5p_mfc_ctx *ctx)
56 {
57 	s5p_mfc_release_priv_buf(ctx->dev, &ctx->dsc);
58 }
59 
60 /* Allocate codec buffers */
s5p_mfc_alloc_codec_buffers_v5(struct s5p_mfc_ctx * ctx)61 static int s5p_mfc_alloc_codec_buffers_v5(struct s5p_mfc_ctx *ctx)
62 {
63 	struct s5p_mfc_dev *dev = ctx->dev;
64 	unsigned int enc_ref_y_size = 0;
65 	unsigned int enc_ref_c_size = 0;
66 	unsigned int guard_width, guard_height;
67 	int ret;
68 
69 	if (ctx->type == MFCINST_DECODER) {
70 		mfc_debug(2, "Luma size:%d Chroma size:%d MV size:%d\n",
71 			  ctx->luma_size, ctx->chroma_size, ctx->mv_size);
72 		mfc_debug(2, "Totals bufs: %d\n", ctx->total_dpb_count);
73 	} else if (ctx->type == MFCINST_ENCODER) {
74 		enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
75 			* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
76 		enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
77 
78 		if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC) {
79 			enc_ref_c_size = ALIGN(ctx->img_width,
80 						S5P_FIMV_NV12MT_HALIGN)
81 						* ALIGN(ctx->img_height >> 1,
82 						S5P_FIMV_NV12MT_VALIGN);
83 			enc_ref_c_size = ALIGN(enc_ref_c_size,
84 							S5P_FIMV_NV12MT_SALIGN);
85 		} else {
86 			guard_width = ALIGN(ctx->img_width + 16,
87 							S5P_FIMV_NV12MT_HALIGN);
88 			guard_height = ALIGN((ctx->img_height >> 1) + 4,
89 							S5P_FIMV_NV12MT_VALIGN);
90 			enc_ref_c_size = ALIGN(guard_width * guard_height,
91 					       S5P_FIMV_NV12MT_SALIGN);
92 		}
93 		mfc_debug(2, "recon luma size: %d chroma size: %d\n",
94 			  enc_ref_y_size, enc_ref_c_size);
95 	} else {
96 		return -EINVAL;
97 	}
98 	/* Codecs have different memory requirements */
99 	switch (ctx->codec_mode) {
100 	case S5P_MFC_CODEC_H264_DEC:
101 		ctx->bank1.size =
102 		    ALIGN(S5P_FIMV_DEC_NB_IP_SIZE +
103 					S5P_FIMV_DEC_VERT_NB_MV_SIZE,
104 					S5P_FIMV_DEC_BUF_ALIGN);
105 		ctx->bank2.size = ctx->total_dpb_count * ctx->mv_size;
106 		break;
107 	case S5P_MFC_CODEC_MPEG4_DEC:
108 		ctx->bank1.size =
109 		    ALIGN(S5P_FIMV_DEC_NB_DCAC_SIZE +
110 				     S5P_FIMV_DEC_UPNB_MV_SIZE +
111 				     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
112 				     S5P_FIMV_DEC_STX_PARSER_SIZE +
113 				     S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE,
114 				     S5P_FIMV_DEC_BUF_ALIGN);
115 		ctx->bank2.size = 0;
116 		break;
117 	case S5P_MFC_CODEC_VC1RCV_DEC:
118 	case S5P_MFC_CODEC_VC1_DEC:
119 		ctx->bank1.size =
120 		    ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
121 			     S5P_FIMV_DEC_UPNB_MV_SIZE +
122 			     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
123 			     S5P_FIMV_DEC_NB_DCAC_SIZE +
124 			     3 * S5P_FIMV_DEC_VC1_BITPLANE_SIZE,
125 			     S5P_FIMV_DEC_BUF_ALIGN);
126 		ctx->bank2.size = 0;
127 		break;
128 	case S5P_MFC_CODEC_MPEG2_DEC:
129 		ctx->bank1.size = 0;
130 		ctx->bank2.size = 0;
131 		break;
132 	case S5P_MFC_CODEC_H263_DEC:
133 		ctx->bank1.size =
134 		    ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
135 			     S5P_FIMV_DEC_UPNB_MV_SIZE +
136 			     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
137 			     S5P_FIMV_DEC_NB_DCAC_SIZE,
138 			     S5P_FIMV_DEC_BUF_ALIGN);
139 		ctx->bank2.size = 0;
140 		break;
141 	case S5P_MFC_CODEC_H264_ENC:
142 		ctx->bank1.size = (enc_ref_y_size * 2) +
143 				   S5P_FIMV_ENC_UPMV_SIZE +
144 				   S5P_FIMV_ENC_COLFLG_SIZE +
145 				   S5P_FIMV_ENC_INTRAMD_SIZE +
146 				   S5P_FIMV_ENC_NBORINFO_SIZE;
147 		ctx->bank2.size = (enc_ref_y_size * 2) +
148 				   (enc_ref_c_size * 4) +
149 				   S5P_FIMV_ENC_INTRAPRED_SIZE;
150 		break;
151 	case S5P_MFC_CODEC_MPEG4_ENC:
152 		ctx->bank1.size = (enc_ref_y_size * 2) +
153 				   S5P_FIMV_ENC_UPMV_SIZE +
154 				   S5P_FIMV_ENC_COLFLG_SIZE +
155 				   S5P_FIMV_ENC_ACDCCOEF_SIZE;
156 		ctx->bank2.size = (enc_ref_y_size * 2) +
157 				   (enc_ref_c_size * 4);
158 		break;
159 	case S5P_MFC_CODEC_H263_ENC:
160 		ctx->bank1.size = (enc_ref_y_size * 2) +
161 				   S5P_FIMV_ENC_UPMV_SIZE +
162 				   S5P_FIMV_ENC_ACDCCOEF_SIZE;
163 		ctx->bank2.size = (enc_ref_y_size * 2) +
164 				   (enc_ref_c_size * 4);
165 		break;
166 	default:
167 		break;
168 	}
169 	/* Allocate only if memory from bank 1 is necessary */
170 	if (ctx->bank1.size > 0) {
171 
172 		ret = s5p_mfc_alloc_priv_buf(dev, BANK_L_CTX, &ctx->bank1);
173 		if (ret) {
174 			mfc_err("Failed to allocate Bank1 temporary buffer\n");
175 			return ret;
176 		}
177 		BUG_ON(ctx->bank1.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
178 	}
179 	/* Allocate only if memory from bank 2 is necessary */
180 	if (ctx->bank2.size > 0) {
181 		ret = s5p_mfc_alloc_priv_buf(dev, BANK_R_CTX, &ctx->bank2);
182 		if (ret) {
183 			mfc_err("Failed to allocate Bank2 temporary buffer\n");
184 			s5p_mfc_release_priv_buf(ctx->dev, &ctx->bank1);
185 			return ret;
186 		}
187 		BUG_ON(ctx->bank2.dma & ((1 << MFC_BANK2_ALIGN_ORDER) - 1));
188 	}
189 	return 0;
190 }
191 
192 /* Release buffers allocated for codec */
s5p_mfc_release_codec_buffers_v5(struct s5p_mfc_ctx * ctx)193 static void s5p_mfc_release_codec_buffers_v5(struct s5p_mfc_ctx *ctx)
194 {
195 	s5p_mfc_release_priv_buf(ctx->dev, &ctx->bank1);
196 	s5p_mfc_release_priv_buf(ctx->dev, &ctx->bank2);
197 }
198 
199 /* Allocate memory for instance data buffer */
s5p_mfc_alloc_instance_buffer_v5(struct s5p_mfc_ctx * ctx)200 static int s5p_mfc_alloc_instance_buffer_v5(struct s5p_mfc_ctx *ctx)
201 {
202 	struct s5p_mfc_dev *dev = ctx->dev;
203 	struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv;
204 	int ret;
205 
206 	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
207 		ctx->codec_mode == S5P_MFC_CODEC_H264_ENC)
208 		ctx->ctx.size = buf_size->h264_ctx;
209 	else
210 		ctx->ctx.size = buf_size->non_h264_ctx;
211 
212 	ret = s5p_mfc_alloc_priv_buf(dev, BANK_L_CTX, &ctx->ctx);
213 	if (ret) {
214 		mfc_err("Failed to allocate instance buffer\n");
215 		return ret;
216 	}
217 	ctx->ctx.ofs = OFFSETA(ctx->ctx.dma);
218 
219 	/* Zero content of the allocated memory */
220 	memset(ctx->ctx.virt, 0, ctx->ctx.size);
221 	wmb();
222 
223 	/* Initialize shared memory */
224 	ctx->shm.size = buf_size->shm;
225 	ret = s5p_mfc_alloc_priv_buf(dev, BANK_L_CTX, &ctx->shm);
226 	if (ret) {
227 		mfc_err("Failed to allocate shared memory buffer\n");
228 		s5p_mfc_release_priv_buf(dev, &ctx->ctx);
229 		return ret;
230 	}
231 
232 	/* shared memory offset only keeps the offset from base (port a) */
233 	ctx->shm.ofs = ctx->shm.dma - dev->dma_base[BANK_L_CTX];
234 	BUG_ON(ctx->shm.ofs & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
235 
236 	memset(ctx->shm.virt, 0, buf_size->shm);
237 	wmb();
238 	return 0;
239 }
240 
241 /* Release instance buffer */
s5p_mfc_release_instance_buffer_v5(struct s5p_mfc_ctx * ctx)242 static void s5p_mfc_release_instance_buffer_v5(struct s5p_mfc_ctx *ctx)
243 {
244 	s5p_mfc_release_priv_buf(ctx->dev, &ctx->ctx);
245 	s5p_mfc_release_priv_buf(ctx->dev, &ctx->shm);
246 }
247 
s5p_mfc_alloc_dev_context_buffer_v5(struct s5p_mfc_dev * dev)248 static int s5p_mfc_alloc_dev_context_buffer_v5(struct s5p_mfc_dev *dev)
249 {
250 	/* NOP */
251 
252 	return 0;
253 }
254 
s5p_mfc_release_dev_context_buffer_v5(struct s5p_mfc_dev * dev)255 static void s5p_mfc_release_dev_context_buffer_v5(struct s5p_mfc_dev *dev)
256 {
257 	/* NOP */
258 }
259 
s5p_mfc_write_info_v5(struct s5p_mfc_ctx * ctx,unsigned int data,unsigned int ofs)260 static void s5p_mfc_write_info_v5(struct s5p_mfc_ctx *ctx, unsigned int data,
261 			unsigned int ofs)
262 {
263 	*(u32 *)(ctx->shm.virt + ofs) = data;
264 	wmb();
265 }
266 
s5p_mfc_read_info_v5(struct s5p_mfc_ctx * ctx,unsigned long ofs)267 static unsigned int s5p_mfc_read_info_v5(struct s5p_mfc_ctx *ctx,
268 				unsigned long ofs)
269 {
270 	rmb();
271 	return *(u32 *)(ctx->shm.virt + ofs);
272 }
273 
s5p_mfc_dec_calc_dpb_size_v5(struct s5p_mfc_ctx * ctx)274 static void s5p_mfc_dec_calc_dpb_size_v5(struct s5p_mfc_ctx *ctx)
275 {
276 	unsigned int guard_width, guard_height;
277 
278 	ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN);
279 	ctx->buf_height = ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
280 	mfc_debug(2,
281 		"SEQ Done: Movie dimensions %dx%d, buffer dimensions: %dx%d\n",
282 		ctx->img_width,	ctx->img_height, ctx->buf_width,
283 		ctx->buf_height);
284 
285 	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC) {
286 		ctx->luma_size = ALIGN(ctx->buf_width * ctx->buf_height,
287 				S5P_FIMV_DEC_BUF_ALIGN);
288 		ctx->chroma_size = ALIGN(ctx->buf_width *
289 				ALIGN((ctx->img_height >> 1),
290 					S5P_FIMV_NV12MT_VALIGN),
291 				S5P_FIMV_DEC_BUF_ALIGN);
292 		ctx->mv_size = ALIGN(ctx->buf_width *
293 				ALIGN((ctx->buf_height >> 2),
294 					S5P_FIMV_NV12MT_VALIGN),
295 				S5P_FIMV_DEC_BUF_ALIGN);
296 	} else {
297 		guard_width =
298 			ALIGN(ctx->img_width + 24, S5P_FIMV_NV12MT_HALIGN);
299 		guard_height =
300 			ALIGN(ctx->img_height + 16, S5P_FIMV_NV12MT_VALIGN);
301 		ctx->luma_size = ALIGN(guard_width * guard_height,
302 				S5P_FIMV_DEC_BUF_ALIGN);
303 
304 		guard_width =
305 			ALIGN(ctx->img_width + 16, S5P_FIMV_NV12MT_HALIGN);
306 		guard_height =
307 			ALIGN((ctx->img_height >> 1) + 4,
308 					S5P_FIMV_NV12MT_VALIGN);
309 		ctx->chroma_size = ALIGN(guard_width * guard_height,
310 				S5P_FIMV_DEC_BUF_ALIGN);
311 
312 		ctx->mv_size = 0;
313 	}
314 }
315 
s5p_mfc_enc_calc_src_size_v5(struct s5p_mfc_ctx * ctx)316 static void s5p_mfc_enc_calc_src_size_v5(struct s5p_mfc_ctx *ctx)
317 {
318 	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M) {
319 		ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN);
320 
321 		ctx->luma_size = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN)
322 			* ALIGN(ctx->img_height, S5P_FIMV_NV12M_LVALIGN);
323 		ctx->chroma_size = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN)
324 			* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12M_CVALIGN);
325 
326 		ctx->luma_size = ALIGN(ctx->luma_size, S5P_FIMV_NV12M_SALIGN);
327 		ctx->chroma_size =
328 			ALIGN(ctx->chroma_size, S5P_FIMV_NV12M_SALIGN);
329 	} else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT) {
330 		ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN);
331 
332 		ctx->luma_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
333 			* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
334 		ctx->chroma_size =
335 			ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
336 			* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12MT_VALIGN);
337 
338 		ctx->luma_size = ALIGN(ctx->luma_size, S5P_FIMV_NV12MT_SALIGN);
339 		ctx->chroma_size =
340 			ALIGN(ctx->chroma_size, S5P_FIMV_NV12MT_SALIGN);
341 	}
342 }
343 
344 /* Set registers for decoding temporary buffers */
s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx * ctx)345 static void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
346 {
347 	struct s5p_mfc_dev *dev = ctx->dev;
348 	struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv;
349 
350 	mfc_write(dev, OFFSETA(ctx->dsc.dma), S5P_FIMV_SI_CH0_DESC_ADR);
351 	mfc_write(dev, buf_size->dsc, S5P_FIMV_SI_CH0_DESC_SIZE);
352 }
353 
354 /* Set registers for shared buffer */
s5p_mfc_set_shared_buffer(struct s5p_mfc_ctx * ctx)355 static void s5p_mfc_set_shared_buffer(struct s5p_mfc_ctx *ctx)
356 {
357 	struct s5p_mfc_dev *dev = ctx->dev;
358 	mfc_write(dev, ctx->shm.ofs, S5P_FIMV_SI_CH0_HOST_WR_ADR);
359 }
360 
361 /* Set registers for decoding stream buffer */
s5p_mfc_set_dec_stream_buffer_v5(struct s5p_mfc_ctx * ctx,int buf_addr,unsigned int start_num_byte,unsigned int buf_size)362 static int s5p_mfc_set_dec_stream_buffer_v5(struct s5p_mfc_ctx *ctx,
363 		int buf_addr, unsigned int start_num_byte,
364 		unsigned int buf_size)
365 {
366 	struct s5p_mfc_dev *dev = ctx->dev;
367 
368 	mfc_write(dev, OFFSETA(buf_addr), S5P_FIMV_SI_CH0_SB_ST_ADR);
369 	mfc_write(dev, ctx->dec_src_buf_size, S5P_FIMV_SI_CH0_CPB_SIZE);
370 	mfc_write(dev, buf_size, S5P_FIMV_SI_CH0_SB_FRM_SIZE);
371 	s5p_mfc_write_info_v5(ctx, start_num_byte, START_BYTE_NUM);
372 	return 0;
373 }
374 
375 /* Set decoding frame buffer */
s5p_mfc_set_dec_frame_buffer_v5(struct s5p_mfc_ctx * ctx)376 static int s5p_mfc_set_dec_frame_buffer_v5(struct s5p_mfc_ctx *ctx)
377 {
378 	unsigned int frame_size_lu, i;
379 	unsigned int frame_size_ch, frame_size_mv;
380 	struct s5p_mfc_dev *dev = ctx->dev;
381 	unsigned int dpb;
382 	size_t buf_addr1, buf_addr2;
383 	int buf_size1, buf_size2;
384 
385 	buf_addr1 = ctx->bank1.dma;
386 	buf_size1 = ctx->bank1.size;
387 	buf_addr2 = ctx->bank2.dma;
388 	buf_size2 = ctx->bank2.size;
389 	dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
390 						~S5P_FIMV_DPB_COUNT_MASK;
391 	mfc_write(dev, ctx->total_dpb_count | dpb,
392 						S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
393 	s5p_mfc_set_shared_buffer(ctx);
394 	switch (ctx->codec_mode) {
395 	case S5P_MFC_CODEC_H264_DEC:
396 		mfc_write(dev, OFFSETA(buf_addr1),
397 						S5P_FIMV_H264_VERT_NB_MV_ADR);
398 		buf_addr1 += S5P_FIMV_DEC_VERT_NB_MV_SIZE;
399 		buf_size1 -= S5P_FIMV_DEC_VERT_NB_MV_SIZE;
400 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_NB_IP_ADR);
401 		buf_addr1 += S5P_FIMV_DEC_NB_IP_SIZE;
402 		buf_size1 -= S5P_FIMV_DEC_NB_IP_SIZE;
403 		break;
404 	case S5P_MFC_CODEC_MPEG4_DEC:
405 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_NB_DCAC_ADR);
406 		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
407 		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
408 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_NB_MV_ADR);
409 		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
410 		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
411 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SA_MV_ADR);
412 		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
413 		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
414 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SP_ADR);
415 		buf_addr1 += S5P_FIMV_DEC_STX_PARSER_SIZE;
416 		buf_size1 -= S5P_FIMV_DEC_STX_PARSER_SIZE;
417 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_OT_LINE_ADR);
418 		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
419 		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
420 		break;
421 	case S5P_MFC_CODEC_H263_DEC:
422 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_OT_LINE_ADR);
423 		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
424 		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
425 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_NB_MV_ADR);
426 		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
427 		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
428 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_SA_MV_ADR);
429 		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
430 		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
431 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_NB_DCAC_ADR);
432 		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
433 		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
434 		break;
435 	case S5P_MFC_CODEC_VC1_DEC:
436 	case S5P_MFC_CODEC_VC1RCV_DEC:
437 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_NB_DCAC_ADR);
438 		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
439 		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
440 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_OT_LINE_ADR);
441 		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
442 		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
443 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_UP_NB_MV_ADR);
444 		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
445 		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
446 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_SA_MV_ADR);
447 		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
448 		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
449 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE3_ADR);
450 		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
451 		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
452 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE2_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_BITPLANE1_ADR);
456 		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
457 		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
458 		break;
459 	case S5P_MFC_CODEC_MPEG2_DEC:
460 		break;
461 	default:
462 		mfc_err("Unknown codec for decoding (%x)\n",
463 			ctx->codec_mode);
464 		return -EINVAL;
465 	}
466 	frame_size_lu = ctx->luma_size;
467 	frame_size_ch = ctx->chroma_size;
468 	frame_size_mv = ctx->mv_size;
469 	mfc_debug(2, "Frm size: %d ch: %d mv: %d\n", frame_size_lu, frame_size_ch,
470 								frame_size_mv);
471 	for (i = 0; i < ctx->total_dpb_count; i++) {
472 		/* Bank2 */
473 		mfc_debug(2, "Luma %d: %zx\n", i,
474 					ctx->dst_bufs[i].cookie.raw.luma);
475 		mfc_write(dev, OFFSETB(ctx->dst_bufs[i].cookie.raw.luma),
476 						S5P_FIMV_DEC_LUMA_ADR + i * 4);
477 		mfc_debug(2, "\tChroma %d: %zx\n", i,
478 					ctx->dst_bufs[i].cookie.raw.chroma);
479 		mfc_write(dev, OFFSETA(ctx->dst_bufs[i].cookie.raw.chroma),
480 					       S5P_FIMV_DEC_CHROMA_ADR + i * 4);
481 		if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC) {
482 			mfc_debug(2, "\tBuf2: %zx, size: %d\n",
483 							buf_addr2, buf_size2);
484 			mfc_write(dev, OFFSETB(buf_addr2),
485 						S5P_FIMV_H264_MV_ADR + i * 4);
486 			buf_addr2 += frame_size_mv;
487 			buf_size2 -= frame_size_mv;
488 		}
489 	}
490 	mfc_debug(2, "Buf1: %zu, buf_size1: %d\n", buf_addr1, buf_size1);
491 	mfc_debug(2, "Buf 1/2 size after: %d/%d (frames %d)\n",
492 			buf_size1,  buf_size2, ctx->total_dpb_count);
493 	if (buf_size1 < 0 || buf_size2 < 0) {
494 		mfc_debug(2, "Not enough memory has been allocated\n");
495 		return -ENOMEM;
496 	}
497 	s5p_mfc_write_info_v5(ctx, frame_size_lu, ALLOC_LUMA_DPB_SIZE);
498 	s5p_mfc_write_info_v5(ctx, frame_size_ch, ALLOC_CHROMA_DPB_SIZE);
499 	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC)
500 		s5p_mfc_write_info_v5(ctx, frame_size_mv, ALLOC_MV_SIZE);
501 	mfc_write(dev, ((S5P_FIMV_CH_INIT_BUFS & S5P_FIMV_CH_MASK)
502 					<< S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
503 						S5P_FIMV_SI_CH0_INST_ID);
504 	return 0;
505 }
506 
507 /* Set registers for encoding stream buffer */
s5p_mfc_set_enc_stream_buffer_v5(struct s5p_mfc_ctx * ctx,unsigned long addr,unsigned int size)508 static int s5p_mfc_set_enc_stream_buffer_v5(struct s5p_mfc_ctx *ctx,
509 		unsigned long addr, unsigned int size)
510 {
511 	struct s5p_mfc_dev *dev = ctx->dev;
512 
513 	mfc_write(dev, OFFSETA(addr), S5P_FIMV_ENC_SI_CH0_SB_ADR);
514 	mfc_write(dev, size, S5P_FIMV_ENC_SI_CH0_SB_SIZE);
515 	return 0;
516 }
517 
s5p_mfc_set_enc_frame_buffer_v5(struct s5p_mfc_ctx * ctx,unsigned long y_addr,unsigned long c_addr)518 static void s5p_mfc_set_enc_frame_buffer_v5(struct s5p_mfc_ctx *ctx,
519 		unsigned long y_addr, unsigned long c_addr)
520 {
521 	struct s5p_mfc_dev *dev = ctx->dev;
522 
523 	mfc_write(dev, OFFSETB(y_addr), S5P_FIMV_ENC_SI_CH0_CUR_Y_ADR);
524 	mfc_write(dev, OFFSETB(c_addr), S5P_FIMV_ENC_SI_CH0_CUR_C_ADR);
525 }
526 
s5p_mfc_get_enc_frame_buffer_v5(struct s5p_mfc_ctx * ctx,unsigned long * y_addr,unsigned long * c_addr)527 static void s5p_mfc_get_enc_frame_buffer_v5(struct s5p_mfc_ctx *ctx,
528 		unsigned long *y_addr, unsigned long *c_addr)
529 {
530 	struct s5p_mfc_dev *dev = ctx->dev;
531 
532 	*y_addr = dev->dma_base[BANK_R_CTX] +
533 		  (mfc_read(dev, S5P_FIMV_ENCODED_Y_ADDR) << MFC_OFFSET_SHIFT);
534 	*c_addr = dev->dma_base[BANK_R_CTX] +
535 		  (mfc_read(dev, S5P_FIMV_ENCODED_C_ADDR) << MFC_OFFSET_SHIFT);
536 }
537 
538 /* Set encoding ref & codec buffer */
s5p_mfc_set_enc_ref_buffer_v5(struct s5p_mfc_ctx * ctx)539 static int s5p_mfc_set_enc_ref_buffer_v5(struct s5p_mfc_ctx *ctx)
540 {
541 	struct s5p_mfc_dev *dev = ctx->dev;
542 	size_t buf_addr1, buf_addr2;
543 	size_t buf_size1, buf_size2;
544 	unsigned int enc_ref_y_size, enc_ref_c_size;
545 	unsigned int guard_width, guard_height;
546 	int i;
547 
548 	buf_addr1 = ctx->bank1.dma;
549 	buf_size1 = ctx->bank1.size;
550 	buf_addr2 = ctx->bank2.dma;
551 	buf_size2 = ctx->bank2.size;
552 	enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
553 		* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
554 	enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
555 	if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC) {
556 		enc_ref_c_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
557 			* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12MT_VALIGN);
558 		enc_ref_c_size = ALIGN(enc_ref_c_size, S5P_FIMV_NV12MT_SALIGN);
559 	} else {
560 		guard_width = ALIGN(ctx->img_width + 16,
561 						S5P_FIMV_NV12MT_HALIGN);
562 		guard_height = ALIGN((ctx->img_height >> 1) + 4,
563 						S5P_FIMV_NV12MT_VALIGN);
564 		enc_ref_c_size = ALIGN(guard_width * guard_height,
565 				       S5P_FIMV_NV12MT_SALIGN);
566 	}
567 	mfc_debug(2, "buf_size1: %zu, buf_size2: %zu\n", buf_size1, buf_size2);
568 	switch (ctx->codec_mode) {
569 	case S5P_MFC_CODEC_H264_ENC:
570 		for (i = 0; i < 2; i++) {
571 			mfc_write(dev, OFFSETA(buf_addr1),
572 				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
573 			buf_addr1 += enc_ref_y_size;
574 			buf_size1 -= enc_ref_y_size;
575 
576 			mfc_write(dev, OFFSETB(buf_addr2),
577 				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
578 			buf_addr2 += enc_ref_y_size;
579 			buf_size2 -= enc_ref_y_size;
580 		}
581 		for (i = 0; i < 4; i++) {
582 			mfc_write(dev, OFFSETB(buf_addr2),
583 				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
584 			buf_addr2 += enc_ref_c_size;
585 			buf_size2 -= enc_ref_c_size;
586 		}
587 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_UP_MV_ADR);
588 		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
589 		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
590 		mfc_write(dev, OFFSETA(buf_addr1),
591 					S5P_FIMV_H264_COZERO_FLAG_ADR);
592 		buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
593 		buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
594 		mfc_write(dev, OFFSETA(buf_addr1),
595 					S5P_FIMV_H264_UP_INTRA_MD_ADR);
596 		buf_addr1 += S5P_FIMV_ENC_INTRAMD_SIZE;
597 		buf_size1 -= S5P_FIMV_ENC_INTRAMD_SIZE;
598 		mfc_write(dev, OFFSETB(buf_addr2),
599 					S5P_FIMV_H264_UP_INTRA_PRED_ADR);
600 		buf_addr2 += S5P_FIMV_ENC_INTRAPRED_SIZE;
601 		buf_size2 -= S5P_FIMV_ENC_INTRAPRED_SIZE;
602 		mfc_write(dev, OFFSETA(buf_addr1),
603 					S5P_FIMV_H264_NBOR_INFO_ADR);
604 		buf_addr1 += S5P_FIMV_ENC_NBORINFO_SIZE;
605 		buf_size1 -= S5P_FIMV_ENC_NBORINFO_SIZE;
606 		mfc_debug(2, "buf_size1: %zu, buf_size2: %zu\n",
607 			buf_size1, buf_size2);
608 		break;
609 	case S5P_MFC_CODEC_MPEG4_ENC:
610 		for (i = 0; i < 2; i++) {
611 			mfc_write(dev, OFFSETA(buf_addr1),
612 				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
613 			buf_addr1 += enc_ref_y_size;
614 			buf_size1 -= enc_ref_y_size;
615 			mfc_write(dev, OFFSETB(buf_addr2),
616 				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
617 			buf_addr2 += enc_ref_y_size;
618 			buf_size2 -= enc_ref_y_size;
619 		}
620 		for (i = 0; i < 4; i++) {
621 			mfc_write(dev, OFFSETB(buf_addr2),
622 				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
623 			buf_addr2 += enc_ref_c_size;
624 			buf_size2 -= enc_ref_c_size;
625 		}
626 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_MV_ADR);
627 		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
628 		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
629 		mfc_write(dev, OFFSETA(buf_addr1),
630 						S5P_FIMV_MPEG4_COZERO_FLAG_ADR);
631 		buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
632 		buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
633 		mfc_write(dev, OFFSETA(buf_addr1),
634 						S5P_FIMV_MPEG4_ACDC_COEF_ADR);
635 		buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
636 		buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
637 		mfc_debug(2, "buf_size1: %zu, buf_size2: %zu\n",
638 			buf_size1, buf_size2);
639 		break;
640 	case S5P_MFC_CODEC_H263_ENC:
641 		for (i = 0; i < 2; i++) {
642 			mfc_write(dev, OFFSETA(buf_addr1),
643 				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
644 			buf_addr1 += enc_ref_y_size;
645 			buf_size1 -= enc_ref_y_size;
646 			mfc_write(dev, OFFSETB(buf_addr2),
647 				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
648 			buf_addr2 += enc_ref_y_size;
649 			buf_size2 -= enc_ref_y_size;
650 		}
651 		for (i = 0; i < 4; i++) {
652 			mfc_write(dev, OFFSETB(buf_addr2),
653 				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
654 			buf_addr2 += enc_ref_c_size;
655 			buf_size2 -= enc_ref_c_size;
656 		}
657 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_MV_ADR);
658 		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
659 		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
660 		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_ACDC_COEF_ADR);
661 		buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
662 		buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
663 		mfc_debug(2, "buf_size1: %zu, buf_size2: %zu\n",
664 			buf_size1, buf_size2);
665 		break;
666 	default:
667 		mfc_err("Unknown codec set for encoding: %d\n",
668 			ctx->codec_mode);
669 		return -EINVAL;
670 	}
671 	return 0;
672 }
673 
s5p_mfc_set_enc_params(struct s5p_mfc_ctx * ctx)674 static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
675 {
676 	struct s5p_mfc_dev *dev = ctx->dev;
677 	struct s5p_mfc_enc_params *p = &ctx->enc_params;
678 	unsigned int reg;
679 	unsigned int shm;
680 
681 	/* width */
682 	mfc_write(dev, ctx->img_width, S5P_FIMV_ENC_HSIZE_PX);
683 	/* height */
684 	mfc_write(dev, ctx->img_height, S5P_FIMV_ENC_VSIZE_PX);
685 	/* pictype : enable, IDR period */
686 	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
687 	reg |= (1 << 18);
688 	reg &= ~(0xFFFF);
689 	reg |= p->gop_size;
690 	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
691 	mfc_write(dev, 0, S5P_FIMV_ENC_B_RECON_WRITE_ON);
692 	/* multi-slice control */
693 	/* multi-slice MB number or bit size */
694 	mfc_write(dev, p->slice_mode, S5P_FIMV_ENC_MSLICE_CTRL);
695 	if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB) {
696 		mfc_write(dev, p->slice_mb, S5P_FIMV_ENC_MSLICE_MB);
697 	} else if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES) {
698 		mfc_write(dev, p->slice_bit, S5P_FIMV_ENC_MSLICE_BIT);
699 	} else {
700 		mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_MB);
701 		mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_BIT);
702 	}
703 	/* cyclic intra refresh */
704 	mfc_write(dev, p->intra_refresh_mb, S5P_FIMV_ENC_CIR_CTRL);
705 	/* memory structure cur. frame */
706 	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
707 		mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
708 	else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
709 		mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
710 	/* padding control & value */
711 	reg = mfc_read(dev, S5P_FIMV_ENC_PADDING_CTRL);
712 	if (p->pad) {
713 		/** enable */
714 		reg |= (1UL << 31);
715 		/** cr value */
716 		reg &= ~(0xFF << 16);
717 		reg |= (p->pad_cr << 16);
718 		/** cb value */
719 		reg &= ~(0xFF << 8);
720 		reg |= (p->pad_cb << 8);
721 		/** y value */
722 		reg &= ~(0xFF);
723 		reg |= (p->pad_luma);
724 	} else {
725 		/** disable & all value clear */
726 		reg = 0;
727 	}
728 	mfc_write(dev, reg, S5P_FIMV_ENC_PADDING_CTRL);
729 	/* rate control config. */
730 	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
731 	/** frame-level rate control */
732 	reg &= ~(0x1 << 9);
733 	reg |= (p->rc_frame << 9);
734 	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
735 	/* bit rate */
736 	if (p->rc_frame)
737 		mfc_write(dev, p->rc_bitrate,
738 			S5P_FIMV_ENC_RC_BIT_RATE);
739 	else
740 		mfc_write(dev, 0, S5P_FIMV_ENC_RC_BIT_RATE);
741 	/* reaction coefficient */
742 	if (p->rc_frame)
743 		mfc_write(dev, p->rc_reaction_coeff, S5P_FIMV_ENC_RC_RPARA);
744 	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
745 	/* seq header ctrl */
746 	shm &= ~(0x1 << 3);
747 	shm |= (p->seq_hdr_mode << 3);
748 	/* frame skip mode */
749 	shm &= ~(0x3 << 1);
750 	shm |= (p->frame_skip_mode << 1);
751 	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
752 	/* fixed target bit */
753 	s5p_mfc_write_info_v5(ctx, p->fixed_target_bit, RC_CONTROL_CONFIG);
754 	return 0;
755 }
756 
s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx * ctx)757 static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
758 {
759 	struct s5p_mfc_dev *dev = ctx->dev;
760 	struct s5p_mfc_enc_params *p = &ctx->enc_params;
761 	struct s5p_mfc_h264_enc_params *p_264 = &p->codec.h264;
762 	unsigned int reg;
763 	unsigned int shm;
764 
765 	s5p_mfc_set_enc_params(ctx);
766 	/* pictype : number of B */
767 	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
768 	/* num_b_frame - 0 ~ 2 */
769 	reg &= ~(0x3 << 16);
770 	reg |= (p->num_b_frame << 16);
771 	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
772 	/* profile & level */
773 	reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
774 	/* level */
775 	reg &= ~(0xFF << 8);
776 	reg |= (p_264->level << 8);
777 	/* profile - 0 ~ 2 */
778 	reg &= ~(0x3F);
779 	reg |= p_264->profile;
780 	mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
781 	/* interlace  */
782 	mfc_write(dev, p_264->interlace, S5P_FIMV_ENC_PIC_STRUCT);
783 	/* height */
784 	if (p_264->interlace)
785 		mfc_write(dev, ctx->img_height >> 1, S5P_FIMV_ENC_VSIZE_PX);
786 	/* loopfilter ctrl */
787 	mfc_write(dev, p_264->loop_filter_mode, S5P_FIMV_ENC_LF_CTRL);
788 	/* loopfilter alpha offset */
789 	if (p_264->loop_filter_alpha < 0) {
790 		reg = 0x10;
791 		reg |= (0xFF - p_264->loop_filter_alpha) + 1;
792 	} else {
793 		reg = 0x00;
794 		reg |= (p_264->loop_filter_alpha & 0xF);
795 	}
796 	mfc_write(dev, reg, S5P_FIMV_ENC_ALPHA_OFF);
797 	/* loopfilter beta offset */
798 	if (p_264->loop_filter_beta < 0) {
799 		reg = 0x10;
800 		reg |= (0xFF - p_264->loop_filter_beta) + 1;
801 	} else {
802 		reg = 0x00;
803 		reg |= (p_264->loop_filter_beta & 0xF);
804 	}
805 	mfc_write(dev, reg, S5P_FIMV_ENC_BETA_OFF);
806 	/* entropy coding mode */
807 	if (p_264->entropy_mode == V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC)
808 		mfc_write(dev, 1, S5P_FIMV_ENC_H264_ENTROPY_MODE);
809 	else
810 		mfc_write(dev, 0, S5P_FIMV_ENC_H264_ENTROPY_MODE);
811 	/* number of ref. picture */
812 	reg = mfc_read(dev, S5P_FIMV_ENC_H264_NUM_OF_REF);
813 	/* num of ref. pictures of P */
814 	reg &= ~(0x3 << 5);
815 	reg |= (p_264->num_ref_pic_4p << 5);
816 	/* max number of ref. pictures */
817 	reg &= ~(0x1F);
818 	reg |= p_264->max_ref_pic;
819 	mfc_write(dev, reg, S5P_FIMV_ENC_H264_NUM_OF_REF);
820 	/* 8x8 transform enable */
821 	mfc_write(dev, p_264->_8x8_transform, S5P_FIMV_ENC_H264_TRANS_FLAG);
822 	/* rate control config. */
823 	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
824 	/* macroblock level rate control */
825 	reg &= ~(0x1 << 8);
826 	reg |= (p->rc_mb << 8);
827 	/* frame QP */
828 	reg &= ~(0x3F);
829 	reg |= p_264->rc_frame_qp;
830 	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
831 	/* frame rate */
832 	if (p->rc_frame && p->rc_framerate_denom)
833 		mfc_write(dev, p->rc_framerate_num * 1000
834 			/ p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
835 	else
836 		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
837 	/* max & min value of QP */
838 	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
839 	/* max QP */
840 	reg &= ~(0x3F << 8);
841 	reg |= (p_264->rc_max_qp << 8);
842 	/* min QP */
843 	reg &= ~(0x3F);
844 	reg |= p_264->rc_min_qp;
845 	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
846 	/* macroblock adaptive scaling features */
847 	if (p->rc_mb) {
848 		reg = mfc_read(dev, S5P_FIMV_ENC_RC_MB_CTRL);
849 		/* dark region */
850 		reg &= ~(0x1 << 3);
851 		reg |= (p_264->rc_mb_dark << 3);
852 		/* smooth region */
853 		reg &= ~(0x1 << 2);
854 		reg |= (p_264->rc_mb_smooth << 2);
855 		/* static region */
856 		reg &= ~(0x1 << 1);
857 		reg |= (p_264->rc_mb_static << 1);
858 		/* high activity region */
859 		reg &= ~(0x1);
860 		reg |= p_264->rc_mb_activity;
861 		mfc_write(dev, reg, S5P_FIMV_ENC_RC_MB_CTRL);
862 	}
863 	if (!p->rc_frame && !p->rc_mb) {
864 		shm = s5p_mfc_read_info_v5(ctx, P_B_FRAME_QP);
865 		shm &= ~(0xFFF);
866 		shm |= ((p_264->rc_b_frame_qp & 0x3F) << 6);
867 		shm |= (p_264->rc_p_frame_qp & 0x3F);
868 		s5p_mfc_write_info_v5(ctx, shm, P_B_FRAME_QP);
869 	}
870 	/* extended encoder ctrl */
871 	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
872 	/* AR VUI control */
873 	shm &= ~(0x1 << 15);
874 	shm |= (p_264->vui_sar << 1);
875 	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
876 	if (p_264->vui_sar) {
877 		/* aspect ration IDC */
878 		shm = s5p_mfc_read_info_v5(ctx, SAMPLE_ASPECT_RATIO_IDC);
879 		shm &= ~(0xFF);
880 		shm |= p_264->vui_sar_idc;
881 		s5p_mfc_write_info_v5(ctx, shm, SAMPLE_ASPECT_RATIO_IDC);
882 		if (p_264->vui_sar_idc == 0xFF) {
883 			/* sample  AR info */
884 			shm = s5p_mfc_read_info_v5(ctx, EXTENDED_SAR);
885 			shm &= ~(0xFFFFFFFF);
886 			shm |= p_264->vui_ext_sar_width << 16;
887 			shm |= p_264->vui_ext_sar_height;
888 			s5p_mfc_write_info_v5(ctx, shm, EXTENDED_SAR);
889 		}
890 	}
891 	/* intra picture period for H.264 */
892 	shm = s5p_mfc_read_info_v5(ctx, H264_I_PERIOD);
893 	/* control */
894 	shm &= ~(0x1 << 16);
895 	shm |= (p_264->open_gop << 16);
896 	/* value */
897 	if (p_264->open_gop) {
898 		shm &= ~(0xFFFF);
899 		shm |= p_264->open_gop_size;
900 	}
901 	s5p_mfc_write_info_v5(ctx, shm, H264_I_PERIOD);
902 	/* extended encoder ctrl */
903 	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
904 	/* vbv buffer size */
905 	if (p->frame_skip_mode ==
906 			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
907 		shm &= ~(0xFFFF << 16);
908 		shm |= (p_264->cpb_size << 16);
909 	}
910 	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
911 	return 0;
912 }
913 
s5p_mfc_set_enc_params_mpeg4(struct s5p_mfc_ctx * ctx)914 static int s5p_mfc_set_enc_params_mpeg4(struct s5p_mfc_ctx *ctx)
915 {
916 	struct s5p_mfc_dev *dev = ctx->dev;
917 	struct s5p_mfc_enc_params *p = &ctx->enc_params;
918 	struct s5p_mfc_mpeg4_enc_params *p_mpeg4 = &p->codec.mpeg4;
919 	unsigned int reg;
920 	unsigned int shm;
921 	unsigned int framerate;
922 
923 	s5p_mfc_set_enc_params(ctx);
924 	/* pictype : number of B */
925 	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
926 	/* num_b_frame - 0 ~ 2 */
927 	reg &= ~(0x3 << 16);
928 	reg |= (p->num_b_frame << 16);
929 	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
930 	/* profile & level */
931 	reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
932 	/* level */
933 	reg &= ~(0xFF << 8);
934 	reg |= (p_mpeg4->level << 8);
935 	/* profile - 0 ~ 2 */
936 	reg &= ~(0x3F);
937 	reg |= p_mpeg4->profile;
938 	mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
939 	/* quarter_pixel */
940 	mfc_write(dev, p_mpeg4->quarter_pixel, S5P_FIMV_ENC_MPEG4_QUART_PXL);
941 	/* qp */
942 	if (!p->rc_frame) {
943 		shm = s5p_mfc_read_info_v5(ctx, P_B_FRAME_QP);
944 		shm &= ~(0xFFF);
945 		shm |= ((p_mpeg4->rc_b_frame_qp & 0x3F) << 6);
946 		shm |= (p_mpeg4->rc_p_frame_qp & 0x3F);
947 		s5p_mfc_write_info_v5(ctx, shm, P_B_FRAME_QP);
948 	}
949 	/* frame rate */
950 	if (p->rc_frame) {
951 		if (p->rc_framerate_denom > 0) {
952 			framerate = p->rc_framerate_num * 1000 /
953 						p->rc_framerate_denom;
954 			mfc_write(dev, framerate,
955 				S5P_FIMV_ENC_RC_FRAME_RATE);
956 			shm = s5p_mfc_read_info_v5(ctx, RC_VOP_TIMING);
957 			shm &= ~(0xFFFFFFFF);
958 			shm |= (1UL << 31);
959 			shm |= ((p->rc_framerate_num & 0x7FFF) << 16);
960 			shm |= (p->rc_framerate_denom & 0xFFFF);
961 			s5p_mfc_write_info_v5(ctx, shm, RC_VOP_TIMING);
962 		}
963 	} else {
964 		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
965 	}
966 	/* rate control config. */
967 	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
968 	/* frame QP */
969 	reg &= ~(0x3F);
970 	reg |= p_mpeg4->rc_frame_qp;
971 	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
972 	/* max & min value of QP */
973 	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
974 	/* max QP */
975 	reg &= ~(0x3F << 8);
976 	reg |= (p_mpeg4->rc_max_qp << 8);
977 	/* min QP */
978 	reg &= ~(0x3F);
979 	reg |= p_mpeg4->rc_min_qp;
980 	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
981 	/* extended encoder ctrl */
982 	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
983 	/* vbv buffer size */
984 	if (p->frame_skip_mode ==
985 			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
986 		shm &= ~(0xFFFF << 16);
987 		shm |= (p->vbv_size << 16);
988 	}
989 	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
990 	return 0;
991 }
992 
s5p_mfc_set_enc_params_h263(struct s5p_mfc_ctx * ctx)993 static int s5p_mfc_set_enc_params_h263(struct s5p_mfc_ctx *ctx)
994 {
995 	struct s5p_mfc_dev *dev = ctx->dev;
996 	struct s5p_mfc_enc_params *p = &ctx->enc_params;
997 	struct s5p_mfc_mpeg4_enc_params *p_h263 = &p->codec.mpeg4;
998 	unsigned int reg;
999 	unsigned int shm;
1000 
1001 	s5p_mfc_set_enc_params(ctx);
1002 	/* qp */
1003 	if (!p->rc_frame) {
1004 		shm = s5p_mfc_read_info_v5(ctx, P_B_FRAME_QP);
1005 		shm &= ~(0xFFF);
1006 		shm |= (p_h263->rc_p_frame_qp & 0x3F);
1007 		s5p_mfc_write_info_v5(ctx, shm, P_B_FRAME_QP);
1008 	}
1009 	/* frame rate */
1010 	if (p->rc_frame && p->rc_framerate_denom)
1011 		mfc_write(dev, p->rc_framerate_num * 1000
1012 			/ p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
1013 	else
1014 		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
1015 	/* rate control config. */
1016 	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
1017 	/* frame QP */
1018 	reg &= ~(0x3F);
1019 	reg |= p_h263->rc_frame_qp;
1020 	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
1021 	/* max & min value of QP */
1022 	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
1023 	/* max QP */
1024 	reg &= ~(0x3F << 8);
1025 	reg |= (p_h263->rc_max_qp << 8);
1026 	/* min QP */
1027 	reg &= ~(0x3F);
1028 	reg |= p_h263->rc_min_qp;
1029 	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
1030 	/* extended encoder ctrl */
1031 	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
1032 	/* vbv buffer size */
1033 	if (p->frame_skip_mode ==
1034 			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
1035 		shm &= ~(0xFFFF << 16);
1036 		shm |= (p->vbv_size << 16);
1037 	}
1038 	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
1039 	return 0;
1040 }
1041 
1042 /* Initialize decoding */
s5p_mfc_init_decode_v5(struct s5p_mfc_ctx * ctx)1043 static int s5p_mfc_init_decode_v5(struct s5p_mfc_ctx *ctx)
1044 {
1045 	struct s5p_mfc_dev *dev = ctx->dev;
1046 
1047 	s5p_mfc_set_shared_buffer(ctx);
1048 	/* Setup loop filter, for decoding this is only valid for MPEG4 */
1049 	if (ctx->codec_mode == S5P_MFC_CODEC_MPEG4_DEC)
1050 		mfc_write(dev, ctx->loop_filter_mpeg4, S5P_FIMV_ENC_LF_CTRL);
1051 	else
1052 		mfc_write(dev, 0, S5P_FIMV_ENC_LF_CTRL);
1053 	mfc_write(dev, ((ctx->slice_interface & S5P_FIMV_SLICE_INT_MASK) <<
1054 		S5P_FIMV_SLICE_INT_SHIFT) | (ctx->display_delay_enable <<
1055 		S5P_FIMV_DDELAY_ENA_SHIFT) | ((ctx->display_delay &
1056 		S5P_FIMV_DDELAY_VAL_MASK) << S5P_FIMV_DDELAY_VAL_SHIFT),
1057 		S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
1058 	mfc_write(dev,
1059 	((S5P_FIMV_CH_SEQ_HEADER & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
1060 				| (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1061 	return 0;
1062 }
1063 
s5p_mfc_set_flush(struct s5p_mfc_ctx * ctx,int flush)1064 static void s5p_mfc_set_flush(struct s5p_mfc_ctx *ctx, int flush)
1065 {
1066 	struct s5p_mfc_dev *dev = ctx->dev;
1067 	unsigned int dpb;
1068 
1069 	if (flush)
1070 		dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) | (
1071 			S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
1072 	else
1073 		dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
1074 			~(S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
1075 	mfc_write(dev, dpb, S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
1076 }
1077 
1078 /* Decode a single frame */
s5p_mfc_decode_one_frame_v5(struct s5p_mfc_ctx * ctx,enum s5p_mfc_decode_arg last_frame)1079 static int s5p_mfc_decode_one_frame_v5(struct s5p_mfc_ctx *ctx,
1080 					enum s5p_mfc_decode_arg last_frame)
1081 {
1082 	struct s5p_mfc_dev *dev = ctx->dev;
1083 
1084 	mfc_write(dev, ctx->dec_dst_flag, S5P_FIMV_SI_CH0_RELEASE_BUF);
1085 	s5p_mfc_set_shared_buffer(ctx);
1086 	s5p_mfc_set_flush(ctx, ctx->dpb_flush_flag);
1087 	/* Issue different commands to instance basing on whether it
1088 	 * is the last frame or not. */
1089 	switch (last_frame) {
1090 	case MFC_DEC_FRAME:
1091 		mfc_write(dev, ((S5P_FIMV_CH_FRAME_START & S5P_FIMV_CH_MASK) <<
1092 		S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1093 		break;
1094 	case MFC_DEC_LAST_FRAME:
1095 		mfc_write(dev, ((S5P_FIMV_CH_LAST_FRAME & S5P_FIMV_CH_MASK) <<
1096 		S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1097 		break;
1098 	case MFC_DEC_RES_CHANGE:
1099 		mfc_write(dev, ((S5P_FIMV_CH_FRAME_START_REALLOC &
1100 		S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
1101 		S5P_FIMV_SI_CH0_INST_ID);
1102 		break;
1103 	}
1104 	mfc_debug(2, "Decoding a usual frame\n");
1105 	return 0;
1106 }
1107 
s5p_mfc_init_encode_v5(struct s5p_mfc_ctx * ctx)1108 static int s5p_mfc_init_encode_v5(struct s5p_mfc_ctx *ctx)
1109 {
1110 	struct s5p_mfc_dev *dev = ctx->dev;
1111 
1112 	if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC)
1113 		s5p_mfc_set_enc_params_h264(ctx);
1114 	else if (ctx->codec_mode == S5P_MFC_CODEC_MPEG4_ENC)
1115 		s5p_mfc_set_enc_params_mpeg4(ctx);
1116 	else if (ctx->codec_mode == S5P_MFC_CODEC_H263_ENC)
1117 		s5p_mfc_set_enc_params_h263(ctx);
1118 	else {
1119 		mfc_err("Unknown codec for encoding (%x)\n",
1120 			ctx->codec_mode);
1121 		return -EINVAL;
1122 	}
1123 	s5p_mfc_set_shared_buffer(ctx);
1124 	mfc_write(dev, ((S5P_FIMV_CH_SEQ_HEADER << 16) & 0x70000) |
1125 		(ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1126 	return 0;
1127 }
1128 
1129 /* Encode a single frame */
s5p_mfc_encode_one_frame_v5(struct s5p_mfc_ctx * ctx)1130 static int s5p_mfc_encode_one_frame_v5(struct s5p_mfc_ctx *ctx)
1131 {
1132 	struct s5p_mfc_dev *dev = ctx->dev;
1133 	int cmd;
1134 	/* memory structure cur. frame */
1135 	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
1136 		mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
1137 	else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
1138 		mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
1139 	s5p_mfc_set_shared_buffer(ctx);
1140 
1141 	if (ctx->state == MFCINST_FINISHING)
1142 		cmd = S5P_FIMV_CH_LAST_FRAME;
1143 	else
1144 		cmd = S5P_FIMV_CH_FRAME_START;
1145 	mfc_write(dev, ((cmd & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
1146 				| (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
1147 
1148 	return 0;
1149 }
1150 
s5p_mfc_run_res_change(struct s5p_mfc_ctx * ctx)1151 static void s5p_mfc_run_res_change(struct s5p_mfc_ctx *ctx)
1152 {
1153 	struct s5p_mfc_dev *dev = ctx->dev;
1154 
1155 	s5p_mfc_set_dec_stream_buffer_v5(ctx, 0, 0, 0);
1156 	dev->curr_ctx = ctx->num;
1157 	s5p_mfc_decode_one_frame_v5(ctx, MFC_DEC_RES_CHANGE);
1158 }
1159 
s5p_mfc_run_dec_frame(struct s5p_mfc_ctx * ctx,int last_frame)1160 static int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx, int last_frame)
1161 {
1162 	struct s5p_mfc_dev *dev = ctx->dev;
1163 	struct s5p_mfc_buf *temp_vb;
1164 
1165 	if (ctx->state == MFCINST_FINISHING) {
1166 		last_frame = MFC_DEC_LAST_FRAME;
1167 		s5p_mfc_set_dec_stream_buffer_v5(ctx, 0, 0, 0);
1168 		dev->curr_ctx = ctx->num;
1169 		s5p_mfc_decode_one_frame_v5(ctx, last_frame);
1170 		return 0;
1171 	}
1172 
1173 	/* Frames are being decoded */
1174 	if (list_empty(&ctx->src_queue)) {
1175 		mfc_debug(2, "No src buffers\n");
1176 		return -EAGAIN;
1177 	}
1178 	/* Get the next source buffer */
1179 	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
1180 	temp_vb->flags |= MFC_BUF_FLAG_USED;
1181 	s5p_mfc_set_dec_stream_buffer_v5(ctx,
1182 		vb2_dma_contig_plane_dma_addr(&temp_vb->b->vb2_buf, 0),
1183 		ctx->consumed_stream, temp_vb->b->vb2_buf.planes[0].bytesused);
1184 	dev->curr_ctx = ctx->num;
1185 	if (temp_vb->b->vb2_buf.planes[0].bytesused == 0) {
1186 		last_frame = MFC_DEC_LAST_FRAME;
1187 		mfc_debug(2, "Setting ctx->state to FINISHING\n");
1188 		ctx->state = MFCINST_FINISHING;
1189 	}
1190 	s5p_mfc_decode_one_frame_v5(ctx, last_frame);
1191 	return 0;
1192 }
1193 
s5p_mfc_run_enc_frame(struct s5p_mfc_ctx * ctx)1194 static int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
1195 {
1196 	struct s5p_mfc_dev *dev = ctx->dev;
1197 	struct s5p_mfc_buf *dst_mb;
1198 	struct s5p_mfc_buf *src_mb;
1199 	unsigned long src_y_addr, src_c_addr, dst_addr;
1200 	unsigned int dst_size;
1201 
1202 	if (list_empty(&ctx->src_queue) && ctx->state != MFCINST_FINISHING) {
1203 		mfc_debug(2, "no src buffers\n");
1204 		return -EAGAIN;
1205 	}
1206 	if (list_empty(&ctx->dst_queue)) {
1207 		mfc_debug(2, "no dst buffers\n");
1208 		return -EAGAIN;
1209 	}
1210 	if (list_empty(&ctx->src_queue)) {
1211 		/* send null frame */
1212 		s5p_mfc_set_enc_frame_buffer_v5(ctx, dev->dma_base[BANK_R_CTX],
1213 						dev->dma_base[BANK_R_CTX]);
1214 		src_mb = NULL;
1215 	} else {
1216 		src_mb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf,
1217 									list);
1218 		src_mb->flags |= MFC_BUF_FLAG_USED;
1219 		if (src_mb->b->vb2_buf.planes[0].bytesused == 0) {
1220 			/* send null frame */
1221 			s5p_mfc_set_enc_frame_buffer_v5(ctx,
1222 						dev->dma_base[BANK_R_CTX],
1223 						dev->dma_base[BANK_R_CTX]);
1224 			ctx->state = MFCINST_FINISHING;
1225 		} else {
1226 			src_y_addr = vb2_dma_contig_plane_dma_addr(
1227 					&src_mb->b->vb2_buf, 0);
1228 			src_c_addr = vb2_dma_contig_plane_dma_addr(
1229 					&src_mb->b->vb2_buf, 1);
1230 			s5p_mfc_set_enc_frame_buffer_v5(ctx, src_y_addr,
1231 								src_c_addr);
1232 			if (src_mb->flags & MFC_BUF_FLAG_EOS)
1233 				ctx->state = MFCINST_FINISHING;
1234 		}
1235 	}
1236 	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
1237 	dst_mb->flags |= MFC_BUF_FLAG_USED;
1238 	dst_addr = vb2_dma_contig_plane_dma_addr(&dst_mb->b->vb2_buf, 0);
1239 	dst_size = vb2_plane_size(&dst_mb->b->vb2_buf, 0);
1240 	s5p_mfc_set_enc_stream_buffer_v5(ctx, dst_addr, dst_size);
1241 	dev->curr_ctx = ctx->num;
1242 	mfc_debug(2, "encoding buffer with index=%d state=%d\n",
1243 		  src_mb ? src_mb->b->vb2_buf.index : -1, ctx->state);
1244 	s5p_mfc_encode_one_frame_v5(ctx);
1245 	return 0;
1246 }
1247 
s5p_mfc_run_init_dec(struct s5p_mfc_ctx * ctx)1248 static void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
1249 {
1250 	struct s5p_mfc_dev *dev = ctx->dev;
1251 	struct s5p_mfc_buf *temp_vb;
1252 
1253 	/* Initializing decoding - parsing header */
1254 	mfc_debug(2, "Preparing to init decoding\n");
1255 	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
1256 	s5p_mfc_set_dec_desc_buffer(ctx);
1257 	mfc_debug(2, "Header size: %d\n",
1258 			temp_vb->b->vb2_buf.planes[0].bytesused);
1259 	s5p_mfc_set_dec_stream_buffer_v5(ctx,
1260 			vb2_dma_contig_plane_dma_addr(&temp_vb->b->vb2_buf, 0),
1261 			0, temp_vb->b->vb2_buf.planes[0].bytesused);
1262 	dev->curr_ctx = ctx->num;
1263 	s5p_mfc_init_decode_v5(ctx);
1264 }
1265 
s5p_mfc_run_init_enc(struct s5p_mfc_ctx * ctx)1266 static void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
1267 {
1268 	struct s5p_mfc_dev *dev = ctx->dev;
1269 	struct s5p_mfc_buf *dst_mb;
1270 	unsigned long dst_addr;
1271 	unsigned int dst_size;
1272 
1273 	s5p_mfc_set_enc_ref_buffer_v5(ctx);
1274 	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
1275 	dst_addr = vb2_dma_contig_plane_dma_addr(&dst_mb->b->vb2_buf, 0);
1276 	dst_size = vb2_plane_size(&dst_mb->b->vb2_buf, 0);
1277 	s5p_mfc_set_enc_stream_buffer_v5(ctx, dst_addr, dst_size);
1278 	dev->curr_ctx = ctx->num;
1279 	s5p_mfc_init_encode_v5(ctx);
1280 }
1281 
s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx * ctx)1282 static int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
1283 {
1284 	struct s5p_mfc_dev *dev = ctx->dev;
1285 	struct s5p_mfc_buf *temp_vb;
1286 	int ret;
1287 
1288 	/*
1289 	 * Header was parsed now starting processing
1290 	 * First set the output frame buffers
1291 	 */
1292 	if (ctx->capture_state != QUEUE_BUFS_MMAPED) {
1293 		mfc_err("It seems that not all destination buffers were mmapped\nMFC requires that all destination are mmapped before starting processing\n");
1294 		return -EAGAIN;
1295 	}
1296 	if (list_empty(&ctx->src_queue)) {
1297 		mfc_err("Header has been deallocated in the middle of initialization\n");
1298 		return -EIO;
1299 	}
1300 	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
1301 	mfc_debug(2, "Header size: %d\n",
1302 			temp_vb->b->vb2_buf.planes[0].bytesused);
1303 	s5p_mfc_set_dec_stream_buffer_v5(ctx,
1304 			vb2_dma_contig_plane_dma_addr(&temp_vb->b->vb2_buf, 0),
1305 			0, temp_vb->b->vb2_buf.planes[0].bytesused);
1306 	dev->curr_ctx = ctx->num;
1307 	ret = s5p_mfc_set_dec_frame_buffer_v5(ctx);
1308 	if (ret) {
1309 		mfc_err("Failed to alloc frame mem\n");
1310 		ctx->state = MFCINST_ERROR;
1311 	}
1312 	return ret;
1313 }
1314 
1315 /* Try running an operation on hardware */
s5p_mfc_try_run_v5(struct s5p_mfc_dev * dev)1316 static void s5p_mfc_try_run_v5(struct s5p_mfc_dev *dev)
1317 {
1318 	struct s5p_mfc_ctx *ctx;
1319 	int new_ctx;
1320 	unsigned int ret = 0;
1321 
1322 	if (test_bit(0, &dev->enter_suspend)) {
1323 		mfc_debug(1, "Entering suspend so do not schedule any jobs\n");
1324 		return;
1325 	}
1326 	/* Check whether hardware is not running */
1327 	if (test_and_set_bit(0, &dev->hw_lock) != 0) {
1328 		/* This is perfectly ok, the scheduled ctx should wait */
1329 		mfc_debug(1, "Couldn't lock HW\n");
1330 		return;
1331 	}
1332 	/* Choose the context to run */
1333 	new_ctx = s5p_mfc_get_new_ctx(dev);
1334 	if (new_ctx < 0) {
1335 		/* No contexts to run */
1336 		if (test_and_clear_bit(0, &dev->hw_lock) == 0) {
1337 			mfc_err("Failed to unlock hardware\n");
1338 			return;
1339 		}
1340 		mfc_debug(1, "No ctx is scheduled to be run\n");
1341 		return;
1342 	}
1343 	ctx = dev->ctx[new_ctx];
1344 	/* Got context to run in ctx */
1345 	/*
1346 	 * Last frame has already been sent to MFC.
1347 	 * Now obtaining frames from MFC buffer
1348 	 */
1349 	s5p_mfc_clock_on();
1350 	s5p_mfc_clean_ctx_int_flags(ctx);
1351 
1352 	if (ctx->type == MFCINST_DECODER) {
1353 		s5p_mfc_set_dec_desc_buffer(ctx);
1354 		switch (ctx->state) {
1355 		case MFCINST_FINISHING:
1356 			s5p_mfc_run_dec_frame(ctx, MFC_DEC_LAST_FRAME);
1357 			break;
1358 		case MFCINST_RUNNING:
1359 			ret = s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
1360 			break;
1361 		case MFCINST_INIT:
1362 			ret = s5p_mfc_hw_call(dev->mfc_cmds, open_inst_cmd,
1363 					ctx);
1364 			break;
1365 		case MFCINST_RETURN_INST:
1366 			ret = s5p_mfc_hw_call(dev->mfc_cmds, close_inst_cmd,
1367 					ctx);
1368 			break;
1369 		case MFCINST_GOT_INST:
1370 			s5p_mfc_run_init_dec(ctx);
1371 			break;
1372 		case MFCINST_HEAD_PARSED:
1373 			ret = s5p_mfc_run_init_dec_buffers(ctx);
1374 			mfc_debug(1, "head parsed\n");
1375 			break;
1376 		case MFCINST_RES_CHANGE_INIT:
1377 			s5p_mfc_run_res_change(ctx);
1378 			break;
1379 		case MFCINST_RES_CHANGE_FLUSH:
1380 			s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
1381 			break;
1382 		case MFCINST_RES_CHANGE_END:
1383 			mfc_debug(2, "Finished remaining frames after resolution change\n");
1384 			ctx->capture_state = QUEUE_FREE;
1385 			mfc_debug(2, "Will re-init the codec\n");
1386 			s5p_mfc_run_init_dec(ctx);
1387 			break;
1388 		default:
1389 			ret = -EAGAIN;
1390 		}
1391 	} else if (ctx->type == MFCINST_ENCODER) {
1392 		switch (ctx->state) {
1393 		case MFCINST_FINISHING:
1394 		case MFCINST_RUNNING:
1395 			ret = s5p_mfc_run_enc_frame(ctx);
1396 			break;
1397 		case MFCINST_INIT:
1398 			ret = s5p_mfc_hw_call(dev->mfc_cmds, open_inst_cmd,
1399 					ctx);
1400 			break;
1401 		case MFCINST_RETURN_INST:
1402 			ret = s5p_mfc_hw_call(dev->mfc_cmds, close_inst_cmd,
1403 					ctx);
1404 			break;
1405 		case MFCINST_GOT_INST:
1406 			s5p_mfc_run_init_enc(ctx);
1407 			break;
1408 		default:
1409 			ret = -EAGAIN;
1410 		}
1411 	} else {
1412 		mfc_err("Invalid context type: %d\n", ctx->type);
1413 		ret = -EAGAIN;
1414 	}
1415 
1416 	if (ret) {
1417 		/* Free hardware lock */
1418 		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
1419 			mfc_err("Failed to unlock hardware\n");
1420 
1421 		/* This is indeed important, as no operation has been
1422 		 * scheduled, reduce the clock count as no one will
1423 		 * ever do this, because no interrupt related to this try_run
1424 		 * will ever come from hardware. */
1425 		s5p_mfc_clock_off();
1426 	}
1427 }
1428 
s5p_mfc_clear_int_flags_v5(struct s5p_mfc_dev * dev)1429 static void s5p_mfc_clear_int_flags_v5(struct s5p_mfc_dev *dev)
1430 {
1431 	mfc_write(dev, 0, S5P_FIMV_RISC_HOST_INT);
1432 	mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD);
1433 	mfc_write(dev, 0xffff, S5P_FIMV_SI_RTN_CHID);
1434 }
1435 
s5p_mfc_get_dspl_y_adr_v5(struct s5p_mfc_dev * dev)1436 static int s5p_mfc_get_dspl_y_adr_v5(struct s5p_mfc_dev *dev)
1437 {
1438 	return mfc_read(dev, S5P_FIMV_SI_DISPLAY_Y_ADR) << MFC_OFFSET_SHIFT;
1439 }
1440 
s5p_mfc_get_dec_y_adr_v5(struct s5p_mfc_dev * dev)1441 static int s5p_mfc_get_dec_y_adr_v5(struct s5p_mfc_dev *dev)
1442 {
1443 	return mfc_read(dev, S5P_FIMV_SI_DECODE_Y_ADR) << MFC_OFFSET_SHIFT;
1444 }
1445 
s5p_mfc_get_dspl_status_v5(struct s5p_mfc_dev * dev)1446 static int s5p_mfc_get_dspl_status_v5(struct s5p_mfc_dev *dev)
1447 {
1448 	return mfc_read(dev, S5P_FIMV_SI_DISPLAY_STATUS);
1449 }
1450 
s5p_mfc_get_dec_status_v5(struct s5p_mfc_dev * dev)1451 static int s5p_mfc_get_dec_status_v5(struct s5p_mfc_dev *dev)
1452 {
1453 	return mfc_read(dev, S5P_FIMV_SI_DECODE_STATUS);
1454 }
1455 
s5p_mfc_get_dec_frame_type_v5(struct s5p_mfc_dev * dev)1456 static int s5p_mfc_get_dec_frame_type_v5(struct s5p_mfc_dev *dev)
1457 {
1458 	return mfc_read(dev, S5P_FIMV_DECODE_FRAME_TYPE) &
1459 		S5P_FIMV_DECODE_FRAME_MASK;
1460 }
1461 
s5p_mfc_get_disp_frame_type_v5(struct s5p_mfc_ctx * ctx)1462 static int s5p_mfc_get_disp_frame_type_v5(struct s5p_mfc_ctx *ctx)
1463 {
1464 	return (s5p_mfc_read_info_v5(ctx, DISP_PIC_FRAME_TYPE) >>
1465 			S5P_FIMV_SHARED_DISP_FRAME_TYPE_SHIFT) &
1466 			S5P_FIMV_DECODE_FRAME_MASK;
1467 }
1468 
s5p_mfc_get_consumed_stream_v5(struct s5p_mfc_dev * dev)1469 static int s5p_mfc_get_consumed_stream_v5(struct s5p_mfc_dev *dev)
1470 {
1471 	return mfc_read(dev, S5P_FIMV_SI_CONSUMED_BYTES);
1472 }
1473 
s5p_mfc_get_int_reason_v5(struct s5p_mfc_dev * dev)1474 static int s5p_mfc_get_int_reason_v5(struct s5p_mfc_dev *dev)
1475 {
1476 	int reason;
1477 	reason = mfc_read(dev, S5P_FIMV_RISC2HOST_CMD) &
1478 		S5P_FIMV_RISC2HOST_CMD_MASK;
1479 	switch (reason) {
1480 	case S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET:
1481 		reason = S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET;
1482 		break;
1483 	case S5P_FIMV_R2H_CMD_CLOSE_INSTANCE_RET:
1484 		reason = S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET;
1485 		break;
1486 	case S5P_FIMV_R2H_CMD_SEQ_DONE_RET:
1487 		reason = S5P_MFC_R2H_CMD_SEQ_DONE_RET;
1488 		break;
1489 	case S5P_FIMV_R2H_CMD_FRAME_DONE_RET:
1490 		reason = S5P_MFC_R2H_CMD_FRAME_DONE_RET;
1491 		break;
1492 	case S5P_FIMV_R2H_CMD_SLICE_DONE_RET:
1493 		reason = S5P_MFC_R2H_CMD_SLICE_DONE_RET;
1494 		break;
1495 	case S5P_FIMV_R2H_CMD_SYS_INIT_RET:
1496 		reason = S5P_MFC_R2H_CMD_SYS_INIT_RET;
1497 		break;
1498 	case S5P_FIMV_R2H_CMD_FW_STATUS_RET:
1499 		reason = S5P_MFC_R2H_CMD_FW_STATUS_RET;
1500 		break;
1501 	case S5P_FIMV_R2H_CMD_SLEEP_RET:
1502 		reason = S5P_MFC_R2H_CMD_SLEEP_RET;
1503 		break;
1504 	case S5P_FIMV_R2H_CMD_WAKEUP_RET:
1505 		reason = S5P_MFC_R2H_CMD_WAKEUP_RET;
1506 		break;
1507 	case S5P_FIMV_R2H_CMD_INIT_BUFFERS_RET:
1508 		reason = S5P_MFC_R2H_CMD_INIT_BUFFERS_RET;
1509 		break;
1510 	case S5P_FIMV_R2H_CMD_ENC_COMPLETE_RET:
1511 		reason = S5P_MFC_R2H_CMD_COMPLETE_SEQ_RET;
1512 		break;
1513 	case S5P_FIMV_R2H_CMD_ERR_RET:
1514 		reason = S5P_MFC_R2H_CMD_ERR_RET;
1515 		break;
1516 	default:
1517 		reason = S5P_MFC_R2H_CMD_EMPTY;
1518 	}
1519 	return reason;
1520 }
1521 
s5p_mfc_get_int_err_v5(struct s5p_mfc_dev * dev)1522 static int s5p_mfc_get_int_err_v5(struct s5p_mfc_dev *dev)
1523 {
1524 	return mfc_read(dev, S5P_FIMV_RISC2HOST_ARG2);
1525 }
1526 
s5p_mfc_err_dec_v5(unsigned int err)1527 static int s5p_mfc_err_dec_v5(unsigned int err)
1528 {
1529 	return (err & S5P_FIMV_ERR_DEC_MASK) >> S5P_FIMV_ERR_DEC_SHIFT;
1530 }
1531 
s5p_mfc_get_img_width_v5(struct s5p_mfc_dev * dev)1532 static int s5p_mfc_get_img_width_v5(struct s5p_mfc_dev *dev)
1533 {
1534 	return mfc_read(dev, S5P_FIMV_SI_HRESOL);
1535 }
1536 
s5p_mfc_get_img_height_v5(struct s5p_mfc_dev * dev)1537 static int s5p_mfc_get_img_height_v5(struct s5p_mfc_dev *dev)
1538 {
1539 	return mfc_read(dev, S5P_FIMV_SI_VRESOL);
1540 }
1541 
s5p_mfc_get_dpb_count_v5(struct s5p_mfc_dev * dev)1542 static int s5p_mfc_get_dpb_count_v5(struct s5p_mfc_dev *dev)
1543 {
1544 	return mfc_read(dev, S5P_FIMV_SI_BUF_NUMBER);
1545 }
1546 
s5p_mfc_get_mv_count_v5(struct s5p_mfc_dev * dev)1547 static int s5p_mfc_get_mv_count_v5(struct s5p_mfc_dev *dev)
1548 {
1549 	/* NOP */
1550 	return -1;
1551 }
1552 
s5p_mfc_get_inst_no_v5(struct s5p_mfc_dev * dev)1553 static int s5p_mfc_get_inst_no_v5(struct s5p_mfc_dev *dev)
1554 {
1555 	return mfc_read(dev, S5P_FIMV_RISC2HOST_ARG1);
1556 }
1557 
s5p_mfc_get_enc_strm_size_v5(struct s5p_mfc_dev * dev)1558 static int s5p_mfc_get_enc_strm_size_v5(struct s5p_mfc_dev *dev)
1559 {
1560 	return mfc_read(dev, S5P_FIMV_ENC_SI_STRM_SIZE);
1561 }
1562 
s5p_mfc_get_enc_slice_type_v5(struct s5p_mfc_dev * dev)1563 static int s5p_mfc_get_enc_slice_type_v5(struct s5p_mfc_dev *dev)
1564 {
1565 	return mfc_read(dev, S5P_FIMV_ENC_SI_SLICE_TYPE);
1566 }
1567 
s5p_mfc_get_enc_dpb_count_v5(struct s5p_mfc_dev * dev)1568 static int s5p_mfc_get_enc_dpb_count_v5(struct s5p_mfc_dev *dev)
1569 {
1570 	return -1;
1571 }
1572 
s5p_mfc_get_pic_type_top_v5(struct s5p_mfc_ctx * ctx)1573 static unsigned int s5p_mfc_get_pic_type_top_v5(struct s5p_mfc_ctx *ctx)
1574 {
1575 	return s5p_mfc_read_info_v5(ctx, PIC_TIME_TOP);
1576 }
1577 
s5p_mfc_get_pic_type_bot_v5(struct s5p_mfc_ctx * ctx)1578 static unsigned int s5p_mfc_get_pic_type_bot_v5(struct s5p_mfc_ctx *ctx)
1579 {
1580 	return s5p_mfc_read_info_v5(ctx, PIC_TIME_BOT);
1581 }
1582 
s5p_mfc_get_crop_info_h_v5(struct s5p_mfc_ctx * ctx)1583 static unsigned int s5p_mfc_get_crop_info_h_v5(struct s5p_mfc_ctx *ctx)
1584 {
1585 	return s5p_mfc_read_info_v5(ctx, CROP_INFO_H);
1586 }
1587 
s5p_mfc_get_crop_info_v_v5(struct s5p_mfc_ctx * ctx)1588 static unsigned int s5p_mfc_get_crop_info_v_v5(struct s5p_mfc_ctx *ctx)
1589 {
1590 	return s5p_mfc_read_info_v5(ctx, CROP_INFO_V);
1591 }
1592 
1593 /* Initialize opr function pointers for MFC v5 */
1594 static struct s5p_mfc_hw_ops s5p_mfc_ops_v5 = {
1595 	.alloc_dec_temp_buffers = s5p_mfc_alloc_dec_temp_buffers_v5,
1596 	.release_dec_desc_buffer = s5p_mfc_release_dec_desc_buffer_v5,
1597 	.alloc_codec_buffers = s5p_mfc_alloc_codec_buffers_v5,
1598 	.release_codec_buffers = s5p_mfc_release_codec_buffers_v5,
1599 	.alloc_instance_buffer = s5p_mfc_alloc_instance_buffer_v5,
1600 	.release_instance_buffer = s5p_mfc_release_instance_buffer_v5,
1601 	.alloc_dev_context_buffer = s5p_mfc_alloc_dev_context_buffer_v5,
1602 	.release_dev_context_buffer = s5p_mfc_release_dev_context_buffer_v5,
1603 	.dec_calc_dpb_size = s5p_mfc_dec_calc_dpb_size_v5,
1604 	.enc_calc_src_size = s5p_mfc_enc_calc_src_size_v5,
1605 	.set_enc_stream_buffer = s5p_mfc_set_enc_stream_buffer_v5,
1606 	.set_enc_frame_buffer = s5p_mfc_set_enc_frame_buffer_v5,
1607 	.get_enc_frame_buffer = s5p_mfc_get_enc_frame_buffer_v5,
1608 	.try_run = s5p_mfc_try_run_v5,
1609 	.clear_int_flags = s5p_mfc_clear_int_flags_v5,
1610 	.get_dspl_y_adr = s5p_mfc_get_dspl_y_adr_v5,
1611 	.get_dec_y_adr = s5p_mfc_get_dec_y_adr_v5,
1612 	.get_dspl_status = s5p_mfc_get_dspl_status_v5,
1613 	.get_dec_status = s5p_mfc_get_dec_status_v5,
1614 	.get_dec_frame_type = s5p_mfc_get_dec_frame_type_v5,
1615 	.get_disp_frame_type = s5p_mfc_get_disp_frame_type_v5,
1616 	.get_consumed_stream = s5p_mfc_get_consumed_stream_v5,
1617 	.get_int_reason = s5p_mfc_get_int_reason_v5,
1618 	.get_int_err = s5p_mfc_get_int_err_v5,
1619 	.err_dec = s5p_mfc_err_dec_v5,
1620 	.get_img_width = s5p_mfc_get_img_width_v5,
1621 	.get_img_height = s5p_mfc_get_img_height_v5,
1622 	.get_dpb_count = s5p_mfc_get_dpb_count_v5,
1623 	.get_mv_count = s5p_mfc_get_mv_count_v5,
1624 	.get_inst_no = s5p_mfc_get_inst_no_v5,
1625 	.get_enc_strm_size = s5p_mfc_get_enc_strm_size_v5,
1626 	.get_enc_slice_type = s5p_mfc_get_enc_slice_type_v5,
1627 	.get_enc_dpb_count = s5p_mfc_get_enc_dpb_count_v5,
1628 	.get_pic_type_top = s5p_mfc_get_pic_type_top_v5,
1629 	.get_pic_type_bot = s5p_mfc_get_pic_type_bot_v5,
1630 	.get_crop_info_h = s5p_mfc_get_crop_info_h_v5,
1631 	.get_crop_info_v = s5p_mfc_get_crop_info_v_v5,
1632 };
1633 
s5p_mfc_init_hw_ops_v5(void)1634 struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v5(void)
1635 {
1636 	return &s5p_mfc_ops_v5;
1637 }
1638