board/micronas/vct/scc.h

   1 /*
   2  * (C) Copyright 2009 Stefan Roese <sr@denx.de>, DENX Software Engineering
   3  *
   4  * Copyright (C) 2006 Micronas GmbH
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #ifndef _SCC_H
  10 #define _SCC_H
  11
  12 #define DMA_READ                0       /* SCC read  DMA                */
  13 #define DMA_WRITE               1       /* SCC write DMA                */
  14
  15 #define DMA_LINEAR              0       /* DMA linear buffer access method */
  16 #define DMA_CYCLIC              1       /* DMA cyclic buffer access method */
  17
  18 #define DMA_START               0       /* DMA command - start DMA      */
  19 #define DMA_STOP                1       /* DMA command - stop  DMA      */
  20 #define DMA_START_FH_RESET      2       /* DMA command - start DMA reset FH */
  21 #define DMA_TAKEOVER            15      /* DMA command - commit the DMA conf */
  22
  23 #define AGU_ACTIVE              0       /* enable AGU address calculation */
  24 #define AGU_BYPASS              1       /* set AGU to bypass mode       */
  25
  26 #define USE_NO_FH               0       /* order the DMA to not use FH  */
  27 #define USE_FH                  1       /* order the DMA to work with FH*/
  28
  29 #define SCC_DBG_IDLE            0       /* DEBUG status (idle interfaces) */
  30 #define SCC_DBG_SYNC_RES        0x0001  /* synchronuous reset           */
  31
  32 #define SCC_TO_IMMEDIATE        1       /* takeover command issued immediately*/
  33 #define TO_DMA_CFG              2       /* takeover command for the DMA config*/
  34
  35 #define DMA_CMD_RESET           0
  36 #define DMA_CMD_SETUP           1
  37 #define DMA_CMD_START           2
  38 #define DMA_CMD_STOP            3
  39
  40 #define DMA_STATE_RESET         0
  41 #define DMA_STATE_SETUP         1
  42 #define DMA_STATE_START         2
  43 #define DMA_STATE_ERROR         3
  44
  45 #define SRMD                    0
  46 #define STRM_D                  1
  47 #define STRM_P                  2
  48
  49 /*
  50  * Slowest Monterey domain is DVP 27 MHz (324/27 = 12; 12*16 = 192 CPU clocks)
  51  */
  52 #define RESET_TIME              2       /* cycle calc see in SCC_Reset  */
  53
  54 struct scc_descriptor {
  55         char *pu_name;          /* PU identifier                        */
  56         char *scc_instance;     /* SCC Name                             */
  57         u32 profile;            /* SCC VCI_D profile                    */
  58
  59         u32 base_address;       /* base address of the SCC unit reg shell*/
  60
  61         /* SCS Interconnect configuration */
  62         u32 p_scc_id;           /* instance number of SCC unit          */
  63         u32 p_mci_id;           /* memory channel ID                    */
  64
  65         /* DMA Registers configuration */
  66         u32 p_dma_channels_rd;  /* Number of Read DMA channels          */
  67         u32 p_dma_channels_wr;  /* Number of Write DMA channels         */
  68
  69         u32 p_dma_packet_desc;  /* Number of packet descriptors         */
  70         u32 p_dma_mci_desc;     /* Number of MCI_CFG Descriptors        */
  71
  72         int use_fh;             /* the flag tells if SCC uses an FH     */
  73
  74         int p_si2ocp_id;        /* instance number of SI2OCP unit       */
  75         int hw_dma_cfg;         /* HW or SW DMA config flag             */
  76         int hw_dma_start;       /* HW or SW DMA start/stop flag         */
  77
  78         u32 *buffer_tag_list;   /* list of the buffer tags available    */
  79         u32 *csize_list;        /* list of the valid CSIZE values       */
  80 };
  81
  82 struct scc_dma_state {
  83         u32 scc_id:8;           /* SCC id                               */
  84         u32 dma_id:8;           /* DMA id, used for match with array idx*/
  85         u32 buffer_tag:8;       /* mem buf tag, assigned to this DMA    */
  86         u32 dma_status:2;       /* state of DMA, of the DMA_STATE_ const*/
  87         u32 dma_drs:2;          /* DMA dir, either DMA_READ or DMA_WRITE*/
  88         u32 dma_cmd:4;          /* last executed command on this DMA    */
  89 };
  90
  91 union scc_cmd {
  92         u32 reg;
  93         struct {
  94                 u32 res1:19;    /* reserved                             */
  95                 u32 drs:1;      /* DMA Register Set                     */
  96                 u32 rid:2;      /* Register Identifier                  */
  97                 u32 id:6;       /* DMA Identifier                       */
  98                 u32 action:4;   /* DMA Command encoding                 */
  99         } bits;
 100 };
 101
 102 union scc_dma_cfg {
 103         u32 reg;
 104         struct {
 105                 u32 res1:17;            /* reserved                     */
 106                 u32 agu_mode:1;         /* AGU Mode                     */
 107                 u32 res2:1;             /* reserved                     */
 108                 u32 fh_mode:1;          /* Fifo Handler                 */
 109                 u32 buffer_type:1;      /* Defines type of mem buffers  */
 110                 u32 mci_cfg_id:1;       /* MCI_CFG register selector    */
 111                 u32 packet_cfg_id:1;    /* PACKET_CFG register selector */
 112                 u32 buffer_id:8;        /* DMA Buffer Identifier        */
 113         } bits;
 114 };
 115
 116 union scc_debug {
 117         u32 reg;
 118         struct {
 119                 u32 res1:20;    /* reserved                             */
 120                 u32 arg:8;      /* SCC Debug Command Argument (#)       */
 121                 u32 cmd:4;      /* SCC Debug Command Register           */
 122         } bits;
 123 };
 124
 125 union scc_softwareconfiguration {
 126         u32 reg;
 127         struct {
 128                 u32 res1:28;            /* reserved                     */
 129                 u32 clock_status:1;     /* clock on/off                 */
 130                 u32 packet_select:1;    /* active SCC packet id         */
 131                 u32 enable_status:1;    /* enabled [1/0]                */
 132                 u32 active_status:1;    /* 1=active  0=reset            */
 133         } bits;
 134 };
 135
 136 /*
 137  * System on Chip Channel ID
 138  */
 139 enum scc_id {
 140         SCC_NULL = -1,          /* illegal SCC identifier               */
 141         SCC_FE_3DCOMB_WR,       /* SCC_FE_3DCOMB Write channel          */
 142         SCC_FE_3DCOMB_RD,       /* SCC_FE_3DCOMB Read channel           */
 143         SCC_DI_TNR_WR,          /* SCC_DI_TNR Write channel             */
 144         SCC_DI_TNR_FIELD_RD,    /* SCC_DI_TNR_FIELD Read channel        */
 145         SCC_DI_TNR_FRAME_RD,    /* SCC_DI_TNR_FRAME Read channel        */
 146         SCC_DI_MVAL_WR,         /* SCC_DI_MVAL Write channel            */
 147         SCC_DI_MVAL_RD,         /* SCC_DI_MVAL Read channel             */
 148         SCC_RC_FRAME_WR,        /* SCC_RC_FRAME Write channel           */
 149         SCC_RC_FRAME0_RD,       /* SCC_RC_FRAME0 Read channel           */
 150         SCC_OPT_FIELD0_RD,      /* SCC_OPT_FIELD0 Read channel          */
 151         SCC_OPT_FIELD1_RD,      /* SCC_OPT_FIELD1 Read channel          */
 152         SCC_OPT_FIELD2_RD,      /* SCC_OPT_FIELD2 Read channel          */
 153         SCC_PIP_FRAME_WR,       /* SCC_PIP_FRAME Write channel          */
 154         SCC_PIP_FRAME_RD,       /* SCC_PIP_FRAME Read channel           */
 155         SCC_DP_AGPU_RD,         /* SCC_DP_AGPU Read channel             */
 156         SCC_EWARP_RW,           /* SCC_EWARP Read/Write channel         */
 157         SCC_DP_OSD_RD,          /* SCC_DP_OSD Read channel              */
 158         SCC_DP_GRAPHIC_RD,      /* SCC_DP_GRAPHIC Read channel          */
 159         SCC_DVP_OSD_RD,         /* SCC_DVP_OSD Read channel             */
 160         SCC_DVP_VBI_RD,         /* SCC_DVP_VBI Read channel             */
 161         SCC_TSIO_WR,            /* SCC_TSIO Write channel               */
 162         SCC_TSIO_RD,            /* SCC_TSIO Read channel                */
 163         SCC_TSD_WR,             /* SCC_TSD Write channel                */
 164         SCC_VD_UD_ST_RW,        /* SCC_VD_UD_ST Read/Write channel      */
 165         SCC_VD_FRR_RD,          /* SCC_VD_FRR Read channel              */
 166         SCC_VD_FRW_DISP_WR,     /* SCC_VD_FRW_DISP Write channel        */
 167         SCC_MR_VD_M_Y_RD,       /* SCC_MR_VD_M_Y Read channel           */
 168         SCC_MR_VD_M_C_RD,       /* SCC_MR_VD_M_C Read channel           */
 169         SCC_MR_VD_S_Y_RD,       /* SCC_MR_VD_S_Y Read channel           */
 170         SCC_MR_VD_S_C_RD,       /* SCC_MR_VD_S_C Read channel           */
 171         SCC_GA_WR,              /* SCC_GA Write channel                 */
 172         SCC_GA_SRC1_RD,         /* SCC_GA_SRC1 Read channel             */
 173         SCC_GA_SRC2_RD,         /* SCC_GA_SRC2 Read channel             */
 174         SCC_AD_RD,              /* SCC_AD Read channel                  */
 175         SCC_AD_WR,              /* SCC_AD Write channel                 */
 176         SCC_ABP_RD,             /* SCC_ABP Read channel                 */
 177         SCC_ABP_WR,             /* SCC_ABP Write channel                */
 178         SCC_EBI_RW,             /* SCC_EBI Read/Write channel           */
 179         SCC_USB_RW,             /* SCC_USB Read/Write channel           */
 180         SCC_CPU1_SPDMA_RW,      /* SCC_CPU1_SPDMA Read/Write channel    */
 181         SCC_CPU1_BRIDGE_RW,     /* SCC_CPU1_BRIDGE Read/Write channel   */
 182         SCC_MAX                 /* maximum limit on the SCC id          */
 183 };
 184
 185 int scc_set_usb_address_generation_mode(u32 agu_mode);
 186 int scc_dma_cmd(enum scc_id id, u32 cmd, u32 dma_id, u32 drs);
 187 int scc_setup_dma(enum scc_id id, u32 buffer_tag,
 188                   u32 type, u32 fh_mode, u32 drs, u32 dma_id);
 189 int scc_enable(enum scc_id id, u32 value);
 190 int scc_reset(enum scc_id id, u32 value);
 191
 192 #endif /* _SCC_H */