These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / media / platform / s5p-mfc / s5p_mfc_cmd_v6.c
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
21 static 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
36 static 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         int ret;
41
42         ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_dev_context_buffer, dev);
43         if (ret)
44                 return ret;
45
46         mfc_write(dev, dev->ctx_buf.dma, S5P_FIMV_CONTEXT_MEM_ADDR_V6);
47         mfc_write(dev, buf_size->dev_ctx, S5P_FIMV_CONTEXT_MEM_SIZE_V6);
48         return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_SYS_INIT_V6,
49                                         &h2r_args);
50 }
51
52 static int s5p_mfc_sleep_cmd_v6(struct s5p_mfc_dev *dev)
53 {
54         struct s5p_mfc_cmd_args h2r_args;
55
56         memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
57         return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_SLEEP_V6,
58                         &h2r_args);
59 }
60
61 static int s5p_mfc_wakeup_cmd_v6(struct s5p_mfc_dev *dev)
62 {
63         struct s5p_mfc_cmd_args h2r_args;
64
65         memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
66         return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_WAKEUP_V6,
67                                         &h2r_args);
68 }
69
70 /* Open a new instance and get its number */
71 static int s5p_mfc_open_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
72 {
73         struct s5p_mfc_dev *dev = ctx->dev;
74         struct s5p_mfc_cmd_args h2r_args;
75         int codec_type;
76
77         mfc_debug(2, "Requested codec mode: %d\n", ctx->codec_mode);
78         dev->curr_ctx = ctx->num;
79         switch (ctx->codec_mode) {
80         case S5P_MFC_CODEC_H264_DEC:
81                 codec_type = S5P_FIMV_CODEC_H264_DEC_V6;
82                 break;
83         case S5P_MFC_CODEC_H264_MVC_DEC:
84                 codec_type = S5P_FIMV_CODEC_H264_MVC_DEC_V6;
85                 break;
86         case S5P_MFC_CODEC_VC1_DEC:
87                 codec_type = S5P_FIMV_CODEC_VC1_DEC_V6;
88                 break;
89         case S5P_MFC_CODEC_MPEG4_DEC:
90                 codec_type = S5P_FIMV_CODEC_MPEG4_DEC_V6;
91                 break;
92         case S5P_MFC_CODEC_MPEG2_DEC:
93                 codec_type = S5P_FIMV_CODEC_MPEG2_DEC_V6;
94                 break;
95         case S5P_MFC_CODEC_H263_DEC:
96                 codec_type = S5P_FIMV_CODEC_H263_DEC_V6;
97                 break;
98         case S5P_MFC_CODEC_VC1RCV_DEC:
99                 codec_type = S5P_FIMV_CODEC_VC1RCV_DEC_V6;
100                 break;
101         case S5P_MFC_CODEC_VP8_DEC:
102                 codec_type = S5P_FIMV_CODEC_VP8_DEC_V6;
103                 break;
104         case S5P_MFC_CODEC_H264_ENC:
105                 codec_type = S5P_FIMV_CODEC_H264_ENC_V6;
106                 break;
107         case S5P_MFC_CODEC_H264_MVC_ENC:
108                 codec_type = S5P_FIMV_CODEC_H264_MVC_ENC_V6;
109                 break;
110         case S5P_MFC_CODEC_MPEG4_ENC:
111                 codec_type = S5P_FIMV_CODEC_MPEG4_ENC_V6;
112                 break;
113         case S5P_MFC_CODEC_H263_ENC:
114                 codec_type = S5P_FIMV_CODEC_H263_ENC_V6;
115                 break;
116         case S5P_MFC_CODEC_VP8_ENC:
117                 codec_type = S5P_FIMV_CODEC_VP8_ENC_V7;
118                 break;
119         default:
120                 codec_type = S5P_FIMV_CODEC_NONE_V6;
121         }
122         mfc_write(dev, codec_type, S5P_FIMV_CODEC_TYPE_V6);
123         mfc_write(dev, ctx->ctx.dma, S5P_FIMV_CONTEXT_MEM_ADDR_V6);
124         mfc_write(dev, ctx->ctx.size, S5P_FIMV_CONTEXT_MEM_SIZE_V6);
125         mfc_write(dev, 0, S5P_FIMV_D_CRC_CTRL_V6); /* no crc */
126
127         return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_OPEN_INSTANCE_V6,
128                                         &h2r_args);
129 }
130
131 /* Close instance */
132 static int s5p_mfc_close_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
133 {
134         struct s5p_mfc_dev *dev = ctx->dev;
135         struct s5p_mfc_cmd_args h2r_args;
136         int ret = 0;
137
138         dev->curr_ctx = ctx->num;
139         if (ctx->state != MFCINST_FREE) {
140                 mfc_write(dev, ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
141                 ret = s5p_mfc_cmd_host2risc_v6(dev,
142                                         S5P_FIMV_H2R_CMD_CLOSE_INSTANCE_V6,
143                                         &h2r_args);
144         } else {
145                 ret = -EINVAL;
146         }
147
148         return ret;
149 }
150
151 /* Initialize cmd function pointers for MFC v6 */
152 static struct s5p_mfc_hw_cmds s5p_mfc_cmds_v6 = {
153         .cmd_host2risc = s5p_mfc_cmd_host2risc_v6,
154         .sys_init_cmd = s5p_mfc_sys_init_cmd_v6,
155         .sleep_cmd = s5p_mfc_sleep_cmd_v6,
156         .wakeup_cmd = s5p_mfc_wakeup_cmd_v6,
157         .open_inst_cmd = s5p_mfc_open_inst_cmd_v6,
158         .close_inst_cmd = s5p_mfc_close_inst_cmd_v6,
159 };
160
161 struct s5p_mfc_hw_cmds *s5p_mfc_init_hw_cmds_v6(void)
162 {
163         return &s5p_mfc_cmds_v6;
164 }