1/*
2 * linux/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 *		http://www.samsung.com/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 */
12
13#include "s5p_mfc_common.h"
14
15#include "s5p_mfc_cmd.h"
16#include "s5p_mfc_debug.h"
17#include "s5p_mfc_intr.h"
18#include "s5p_mfc_opr.h"
19#include "s5p_mfc_cmd_v6.h"
20
21static int s5p_mfc_cmd_host2risc_v6(struct s5p_mfc_dev *dev, int cmd,
22				struct s5p_mfc_cmd_args *args)
23{
24	mfc_debug(2, "Issue the command: %d\n", cmd);
25
26	/* Reset RISC2HOST command */
27	mfc_write(dev, 0x0, S5P_FIMV_RISC2HOST_CMD_V6);
28
29	/* Issue the command */
30	mfc_write(dev, cmd, S5P_FIMV_HOST2RISC_CMD_V6);
31	mfc_write(dev, 0x1, S5P_FIMV_HOST2RISC_INT_V6);
32
33	return 0;
34}
35
36static int s5p_mfc_sys_init_cmd_v6(struct s5p_mfc_dev *dev)
37{
38	struct s5p_mfc_cmd_args h2r_args;
39	struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv;
40
41	s5p_mfc_hw_call(dev->mfc_ops, alloc_dev_context_buffer, dev);
42	mfc_write(dev, dev->ctx_buf.dma, S5P_FIMV_CONTEXT_MEM_ADDR_V6);
43	mfc_write(dev, buf_size->dev_ctx, S5P_FIMV_CONTEXT_MEM_SIZE_V6);
44	return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_SYS_INIT_V6,
45					&h2r_args);
46}
47
48static int s5p_mfc_sleep_cmd_v6(struct s5p_mfc_dev *dev)
49{
50	struct s5p_mfc_cmd_args h2r_args;
51
52	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
53	return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_SLEEP_V6,
54			&h2r_args);
55}
56
57static int s5p_mfc_wakeup_cmd_v6(struct s5p_mfc_dev *dev)
58{
59	struct s5p_mfc_cmd_args h2r_args;
60
61	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
62	return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_WAKEUP_V6,
63					&h2r_args);
64}
65
66/* Open a new instance and get its number */
67static int s5p_mfc_open_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
68{
69	struct s5p_mfc_dev *dev = ctx->dev;
70	struct s5p_mfc_cmd_args h2r_args;
71	int codec_type;
72
73	mfc_debug(2, "Requested codec mode: %d\n", ctx->codec_mode);
74	dev->curr_ctx = ctx->num;
75	switch (ctx->codec_mode) {
76	case S5P_MFC_CODEC_H264_DEC:
77		codec_type = S5P_FIMV_CODEC_H264_DEC_V6;
78		break;
79	case S5P_MFC_CODEC_H264_MVC_DEC:
80		codec_type = S5P_FIMV_CODEC_H264_MVC_DEC_V6;
81		break;
82	case S5P_MFC_CODEC_VC1_DEC:
83		codec_type = S5P_FIMV_CODEC_VC1_DEC_V6;
84		break;
85	case S5P_MFC_CODEC_MPEG4_DEC:
86		codec_type = S5P_FIMV_CODEC_MPEG4_DEC_V6;
87		break;
88	case S5P_MFC_CODEC_MPEG2_DEC:
89		codec_type = S5P_FIMV_CODEC_MPEG2_DEC_V6;
90		break;
91	case S5P_MFC_CODEC_H263_DEC:
92		codec_type = S5P_FIMV_CODEC_H263_DEC_V6;
93		break;
94	case S5P_MFC_CODEC_VC1RCV_DEC:
95		codec_type = S5P_FIMV_CODEC_VC1RCV_DEC_V6;
96		break;
97	case S5P_MFC_CODEC_VP8_DEC:
98		codec_type = S5P_FIMV_CODEC_VP8_DEC_V6;
99		break;
100	case S5P_MFC_CODEC_H264_ENC:
101		codec_type = S5P_FIMV_CODEC_H264_ENC_V6;
102		break;
103	case S5P_MFC_CODEC_H264_MVC_ENC:
104		codec_type = S5P_FIMV_CODEC_H264_MVC_ENC_V6;
105		break;
106	case S5P_MFC_CODEC_MPEG4_ENC:
107		codec_type = S5P_FIMV_CODEC_MPEG4_ENC_V6;
108		break;
109	case S5P_MFC_CODEC_H263_ENC:
110		codec_type = S5P_FIMV_CODEC_H263_ENC_V6;
111		break;
112	case S5P_MFC_CODEC_VP8_ENC:
113		codec_type = S5P_FIMV_CODEC_VP8_ENC_V7;
114		break;
115	default:
116		codec_type = S5P_FIMV_CODEC_NONE_V6;
117	}
118	mfc_write(dev, codec_type, S5P_FIMV_CODEC_TYPE_V6);
119	mfc_write(dev, ctx->ctx.dma, S5P_FIMV_CONTEXT_MEM_ADDR_V6);
120	mfc_write(dev, ctx->ctx.size, S5P_FIMV_CONTEXT_MEM_SIZE_V6);
121	mfc_write(dev, 0, S5P_FIMV_D_CRC_CTRL_V6); /* no crc */
122
123	return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_OPEN_INSTANCE_V6,
124					&h2r_args);
125}
126
127/* Close instance */
128static int s5p_mfc_close_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
129{
130	struct s5p_mfc_dev *dev = ctx->dev;
131	struct s5p_mfc_cmd_args h2r_args;
132	int ret = 0;
133
134	dev->curr_ctx = ctx->num;
135	if (ctx->state != MFCINST_FREE) {
136		mfc_write(dev, ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
137		ret = s5p_mfc_cmd_host2risc_v6(dev,
138					S5P_FIMV_H2R_CMD_CLOSE_INSTANCE_V6,
139					&h2r_args);
140	} else {
141		ret = -EINVAL;
142	}
143
144	return ret;
145}
146
147/* Initialize cmd function pointers for MFC v6 */
148static struct s5p_mfc_hw_cmds s5p_mfc_cmds_v6 = {
149	.cmd_host2risc = s5p_mfc_cmd_host2risc_v6,
150	.sys_init_cmd = s5p_mfc_sys_init_cmd_v6,
151	.sleep_cmd = s5p_mfc_sleep_cmd_v6,
152	.wakeup_cmd = s5p_mfc_wakeup_cmd_v6,
153	.open_inst_cmd = s5p_mfc_open_inst_cmd_v6,
154	.close_inst_cmd = s5p_mfc_close_inst_cmd_v6,
155};
156
157struct s5p_mfc_hw_cmds *s5p_mfc_init_hw_cmds_v6(void)
158{
159	return &s5p_mfc_cmds_v6;
160}
161