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
  20 static int s5p_mfc_cmd_host2risc_v6(struct s5p_mfc_dev *dev, int cmd,
  21                                 struct s5p_mfc_cmd_args *args)
  22 {
  23         mfc_debug(2, "Issue the command: %d\n", cmd);
  24
  25         /* Reset RISC2HOST command */
  26         mfc_write(dev, 0x0, S5P_FIMV_RISC2HOST_CMD_V6);
  27
  28         /* Issue the command */
  29         mfc_write(dev, cmd, S5P_FIMV_HOST2RISC_CMD_V6);
  30         mfc_write(dev, 0x1, S5P_FIMV_HOST2RISC_INT_V6);
  31
  32         return 0;
  33 }
  34
  35 static int s5p_mfc_sys_init_cmd_v6(struct s5p_mfc_dev *dev)
  36 {
  37         struct s5p_mfc_cmd_args h2r_args;
  38         struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv;
  39
  40         s5p_mfc_hw_call(dev->mfc_ops, alloc_dev_context_buffer, dev);
  41         mfc_write(dev, dev->ctx_buf.dma, S5P_FIMV_CONTEXT_MEM_ADDR_V6);
  42         mfc_write(dev, buf_size->dev_ctx, S5P_FIMV_CONTEXT_MEM_SIZE_V6);
  43         return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_SYS_INIT_V6,
  44                                         &h2r_args);
  45 }
  46
  47 static int s5p_mfc_sleep_cmd_v6(struct s5p_mfc_dev *dev)
  48 {
  49         struct s5p_mfc_cmd_args h2r_args;
  50
  51         memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
  52         return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_SLEEP_V6,
  53                         &h2r_args);
  54 }
  55
  56 static int s5p_mfc_wakeup_cmd_v6(struct s5p_mfc_dev *dev)
  57 {
  58         struct s5p_mfc_cmd_args h2r_args;
  59
  60         memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
  61         return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_WAKEUP_V6,
  62                                         &h2r_args);
  63 }
  64
  65 /* Open a new instance and get its number */
  66 static int s5p_mfc_open_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
  67 {
  68         struct s5p_mfc_dev *dev = ctx->dev;
  69         struct s5p_mfc_cmd_args h2r_args;
  70         int codec_type;
  71
  72         mfc_debug(2, "Requested codec mode: %d\n", ctx->codec_mode);
  73         dev->curr_ctx = ctx->num;
  74         switch (ctx->codec_mode) {
  75         case S5P_MFC_CODEC_H264_DEC:
  76                 codec_type = S5P_FIMV_CODEC_H264_DEC_V6;
  77                 break;
  78         case S5P_MFC_CODEC_H264_MVC_DEC:
  79                 codec_type = S5P_FIMV_CODEC_H264_MVC_DEC_V6;
  80                 break;
  81         case S5P_MFC_CODEC_VC1_DEC:
  82                 codec_type = S5P_FIMV_CODEC_VC1_DEC_V6;
  83                 break;
  84         case S5P_MFC_CODEC_MPEG4_DEC:
  85                 codec_type = S5P_FIMV_CODEC_MPEG4_DEC_V6;
  86                 break;
  87         case S5P_MFC_CODEC_MPEG2_DEC:
  88                 codec_type = S5P_FIMV_CODEC_MPEG2_DEC_V6;
  89                 break;
  90         case S5P_MFC_CODEC_H263_DEC:
  91                 codec_type = S5P_FIMV_CODEC_H263_DEC_V6;
  92                 break;
  93         case S5P_MFC_CODEC_VC1RCV_DEC:
  94                 codec_type = S5P_FIMV_CODEC_VC1RCV_DEC_V6;
  95                 break;
  96         case S5P_MFC_CODEC_VP8_DEC:
  97                 codec_type = S5P_FIMV_CODEC_VP8_DEC_V6;
  98                 break;
  99         case S5P_MFC_CODEC_H264_ENC:
 100                 codec_type = S5P_FIMV_CODEC_H264_ENC_V6;
 101                 break;
 102         case S5P_MFC_CODEC_H264_MVC_ENC:
 103                 codec_type = S5P_FIMV_CODEC_H264_MVC_ENC_V6;
 104                 break;
 105         case S5P_MFC_CODEC_MPEG4_ENC:
 106                 codec_type = S5P_FIMV_CODEC_MPEG4_ENC_V6;
 107                 break;
 108         case S5P_MFC_CODEC_H263_ENC:
 109                 codec_type = S5P_FIMV_CODEC_H263_ENC_V6;
 110                 break;
 111         default:
 112                 codec_type = S5P_FIMV_CODEC_NONE_V6;
 113         };
 114         mfc_write(dev, codec_type, S5P_FIMV_CODEC_TYPE_V6);
 115         mfc_write(dev, ctx->ctx.dma, S5P_FIMV_CONTEXT_MEM_ADDR_V6);
 116         mfc_write(dev, ctx->ctx.size, S5P_FIMV_CONTEXT_MEM_SIZE_V6);
 117         mfc_write(dev, 0, S5P_FIMV_D_CRC_CTRL_V6); /* no crc */
 118
 119         return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_OPEN_INSTANCE_V6,
 120                                         &h2r_args);
 121 }
 122
 123 /* Close instance */
 124 static int s5p_mfc_close_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
 125 {
 126         struct s5p_mfc_dev *dev = ctx->dev;
 127         struct s5p_mfc_cmd_args h2r_args;
 128         int ret = 0;
 129
 130         dev->curr_ctx = ctx->num;
 131         if (ctx->state != MFCINST_FREE) {
 132                 mfc_write(dev, ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
 133                 ret = s5p_mfc_cmd_host2risc_v6(dev,
 134                                         S5P_FIMV_H2R_CMD_CLOSE_INSTANCE_V6,
 135                                         &h2r_args);
 136         } else {
 137                 ret = -EINVAL;
 138         }
 139
 140         return ret;
 141 }
 142
 143 /* Initialize cmd function pointers for MFC v6 */
 144 static struct s5p_mfc_hw_cmds s5p_mfc_cmds_v6 = {
 145         .cmd_host2risc = s5p_mfc_cmd_host2risc_v6,
 146         .sys_init_cmd = s5p_mfc_sys_init_cmd_v6,
 147         .sleep_cmd = s5p_mfc_sleep_cmd_v6,
 148         .wakeup_cmd = s5p_mfc_wakeup_cmd_v6,
 149         .open_inst_cmd = s5p_mfc_open_inst_cmd_v6,
 150         .close_inst_cmd = s5p_mfc_close_inst_cmd_v6,
 151 };
 152
 153 struct s5p_mfc_hw_cmds *s5p_mfc_init_hw_cmds_v6(void)
 154 {
 155         return &s5p_mfc_cmds_v6;
 156 }