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 }