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
  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
  48 static 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
  57 static 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 */
  67 static 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 */
 128 static 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 */
 148 static 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
 157 struct s5p_mfc_hw_cmds *s5p_mfc_init_hw_cmds_v6(void)
 158 {
 159         return &s5p_mfc_cmds_v6;
 160 }