root/drivers/media/pci/intel/ipu3/ipu3-cio2.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. file_to_cio2_queue
  2. vb2q_to_cio2_queue

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (C) 2017 Intel Corporation */
   3 
   4 #ifndef __IPU3_CIO2_H
   5 #define __IPU3_CIO2_H
   6 
   7 #define CIO2_NAME                                       "ipu3-cio2"
   8 #define CIO2_DEVICE_NAME                                "Intel IPU3 CIO2"
   9 #define CIO2_ENTITY_NAME                                "ipu3-csi2"
  10 #define CIO2_PCI_ID                                     0x9d32
  11 #define CIO2_PCI_BAR                                    0
  12 #define CIO2_DMA_MASK                                   DMA_BIT_MASK(39)
  13 
  14 #define CIO2_IMAGE_MAX_WIDTH                            4224
  15 #define CIO2_IMAGE_MAX_LENGTH                           3136
  16 
  17 /* 32MB = 8xFBPT_entry */
  18 #define CIO2_MAX_LOPS                                   8
  19 #define CIO2_MAX_BUFFERS                        (PAGE_SIZE / 16 / CIO2_MAX_LOPS)
  20 
  21 #define CIO2_PAD_SINK                                   0
  22 #define CIO2_PAD_SOURCE                                 1
  23 #define CIO2_PADS                                       2
  24 
  25 #define CIO2_NUM_DMA_CHAN                               20
  26 #define CIO2_NUM_PORTS                                  4 /* DPHYs */
  27 
  28 /* 1 for each sensor */
  29 #define CIO2_QUEUES                                     CIO2_NUM_PORTS
  30 
  31 /* Register and bit field definitions */
  32 #define CIO2_REG_PIPE_BASE(n)                   ((n) * 0x0400)  /* n = 0..3 */
  33 #define CIO2_REG_CSIRX_BASE                             0x000
  34 #define CIO2_REG_MIPIBE_BASE                            0x100
  35 #define CIO2_REG_PIXELGEN_BAS                           0x200
  36 #define CIO2_REG_IRQCTRL_BASE                           0x300
  37 #define CIO2_REG_GPREG_BASE                             0x1000
  38 
  39 /* base register: CIO2_REG_PIPE_BASE(pipe) * CIO2_REG_CSIRX_BASE */
  40 #define CIO2_REG_CSIRX_ENABLE                   (CIO2_REG_CSIRX_BASE + 0x0)
  41 #define CIO2_REG_CSIRX_NOF_ENABLED_LANES        (CIO2_REG_CSIRX_BASE + 0x4)
  42 #define CIO2_REG_CSIRX_SP_IF_CONFIG             (CIO2_REG_CSIRX_BASE + 0x10)
  43 #define CIO2_REG_CSIRX_LP_IF_CONFIG             (CIO2_REG_CSIRX_BASE + 0x14)
  44 #define CIO2_CSIRX_IF_CONFIG_FILTEROUT                  0x00
  45 #define CIO2_CSIRX_IF_CONFIG_FILTEROUT_VC_INACTIVE      0x01
  46 #define CIO2_CSIRX_IF_CONFIG_PASS                       0x02
  47 #define CIO2_CSIRX_IF_CONFIG_FLAG_ERROR                 BIT(2)
  48 #define CIO2_REG_CSIRX_STATUS                   (CIO2_REG_CSIRX_BASE + 0x18)
  49 #define CIO2_REG_CSIRX_STATUS_DLANE_HS          (CIO2_REG_CSIRX_BASE + 0x1c)
  50 #define CIO2_CSIRX_STATUS_DLANE_HS_MASK                 0xff
  51 #define CIO2_REG_CSIRX_STATUS_DLANE_LP          (CIO2_REG_CSIRX_BASE + 0x20)
  52 #define CIO2_CSIRX_STATUS_DLANE_LP_MASK                 0xffffff
  53 /* Termination enable and settle in 0.0625ns units, lane=0..3 or -1 for clock */
  54 #define CIO2_REG_CSIRX_DLY_CNT_TERMEN(lane) \
  55                                 (CIO2_REG_CSIRX_BASE + 0x2c + 8 * (lane))
  56 #define CIO2_REG_CSIRX_DLY_CNT_SETTLE(lane) \
  57                                 (CIO2_REG_CSIRX_BASE + 0x30 + 8 * (lane))
  58 /* base register: CIO2_REG_PIPE_BASE(pipe) * CIO2_REG_MIPIBE_BASE */
  59 #define CIO2_REG_MIPIBE_ENABLE          (CIO2_REG_MIPIBE_BASE + 0x0)
  60 #define CIO2_REG_MIPIBE_STATUS          (CIO2_REG_MIPIBE_BASE + 0x4)
  61 #define CIO2_REG_MIPIBE_COMP_FORMAT(vc) \
  62                                 (CIO2_REG_MIPIBE_BASE + 0x8 + 0x4 * (vc))
  63 #define CIO2_REG_MIPIBE_FORCE_RAW8      (CIO2_REG_MIPIBE_BASE + 0x20)
  64 #define CIO2_REG_MIPIBE_FORCE_RAW8_ENABLE               BIT(0)
  65 #define CIO2_REG_MIPIBE_FORCE_RAW8_USE_TYPEID           BIT(1)
  66 #define CIO2_REG_MIPIBE_FORCE_RAW8_TYPEID_SHIFT         2
  67 
  68 #define CIO2_REG_MIPIBE_IRQ_STATUS      (CIO2_REG_MIPIBE_BASE + 0x24)
  69 #define CIO2_REG_MIPIBE_IRQ_CLEAR       (CIO2_REG_MIPIBE_BASE + 0x28)
  70 #define CIO2_REG_MIPIBE_GLOBAL_LUT_DISREGARD (CIO2_REG_MIPIBE_BASE + 0x68)
  71 #define CIO2_MIPIBE_GLOBAL_LUT_DISREGARD                1
  72 #define CIO2_REG_MIPIBE_PKT_STALL_STATUS (CIO2_REG_MIPIBE_BASE + 0x6c)
  73 #define CIO2_REG_MIPIBE_PARSE_GSP_THROUGH_LP_LUT_REG_IDX \
  74                                         (CIO2_REG_MIPIBE_BASE + 0x70)
  75 #define CIO2_REG_MIPIBE_SP_LUT_ENTRY(vc) \
  76                                        (CIO2_REG_MIPIBE_BASE + 0x74 + 4 * (vc))
  77 #define CIO2_REG_MIPIBE_LP_LUT_ENTRY(m) /* m = 0..15 */ \
  78                                         (CIO2_REG_MIPIBE_BASE + 0x84 + 4 * (m))
  79 #define CIO2_MIPIBE_LP_LUT_ENTRY_DISREGARD              1
  80 #define CIO2_MIPIBE_LP_LUT_ENTRY_SID_SHIFT              1
  81 #define CIO2_MIPIBE_LP_LUT_ENTRY_VC_SHIFT               5
  82 #define CIO2_MIPIBE_LP_LUT_ENTRY_FORMAT_TYPE_SHIFT      7
  83 
  84 /* base register: CIO2_REG_PIPE_BASE(pipe) * CIO2_REG_IRQCTRL_BASE */
  85 /* IRQ registers are 18-bit wide, see cio2_irq_error for bit definitions */
  86 #define CIO2_REG_IRQCTRL_EDGE           (CIO2_REG_IRQCTRL_BASE + 0x00)
  87 #define CIO2_REG_IRQCTRL_MASK           (CIO2_REG_IRQCTRL_BASE + 0x04)
  88 #define CIO2_REG_IRQCTRL_STATUS         (CIO2_REG_IRQCTRL_BASE + 0x08)
  89 #define CIO2_REG_IRQCTRL_CLEAR          (CIO2_REG_IRQCTRL_BASE + 0x0c)
  90 #define CIO2_REG_IRQCTRL_ENABLE         (CIO2_REG_IRQCTRL_BASE + 0x10)
  91 #define CIO2_REG_IRQCTRL_LEVEL_NOT_PULSE        (CIO2_REG_IRQCTRL_BASE + 0x14)
  92 
  93 #define CIO2_REG_GPREG_SRST             (CIO2_REG_GPREG_BASE + 0x0)
  94 #define CIO2_GPREG_SRST_ALL                             0xffff  /* Reset all */
  95 #define CIO2_REG_FB_HPLL_FREQ           (CIO2_REG_GPREG_BASE + 0x08)
  96 #define CIO2_REG_ISCLK_RATIO            (CIO2_REG_GPREG_BASE + 0xc)
  97 
  98 #define CIO2_REG_CGC                                    0x1400
  99 #define CIO2_CGC_CSI2_TGE                               BIT(0)
 100 #define CIO2_CGC_PRIM_TGE                               BIT(1)
 101 #define CIO2_CGC_SIDE_TGE                               BIT(2)
 102 #define CIO2_CGC_XOSC_TGE                               BIT(3)
 103 #define CIO2_CGC_MPLL_SHUTDOWN_EN                       BIT(4)
 104 #define CIO2_CGC_D3I3_TGE                               BIT(5)
 105 #define CIO2_CGC_CSI2_INTERFRAME_TGE                    BIT(6)
 106 #define CIO2_CGC_CSI2_PORT_DCGE                         BIT(8)
 107 #define CIO2_CGC_CSI2_DCGE                              BIT(9)
 108 #define CIO2_CGC_SIDE_DCGE                              BIT(10)
 109 #define CIO2_CGC_PRIM_DCGE                              BIT(11)
 110 #define CIO2_CGC_ROSC_DCGE                              BIT(12)
 111 #define CIO2_CGC_XOSC_DCGE                              BIT(13)
 112 #define CIO2_CGC_FLIS_DCGE                              BIT(14)
 113 #define CIO2_CGC_CLKGATE_HOLDOFF_SHIFT                  20
 114 #define CIO2_CGC_CSI_CLKGATE_HOLDOFF_SHIFT              24
 115 #define CIO2_REG_D0I3C                                  0x1408
 116 #define CIO2_D0I3C_I3                                   BIT(2)  /* Set D0I3 */
 117 #define CIO2_D0I3C_RR                                   BIT(3)  /* Restore? */
 118 #define CIO2_REG_SWRESET                                0x140c
 119 #define CIO2_SWRESET_SWRESET                            1
 120 #define CIO2_REG_SENSOR_ACTIVE                          0x1410
 121 #define CIO2_REG_INT_STS                                0x1414
 122 #define CIO2_REG_INT_STS_EXT_OE                         0x1418
 123 #define CIO2_INT_EXT_OE_DMAOE_SHIFT                     0
 124 #define CIO2_INT_EXT_OE_DMAOE_MASK                      0x7ffff
 125 #define CIO2_INT_EXT_OE_OES_SHIFT                       24
 126 #define CIO2_INT_EXT_OE_OES_MASK        (0xf << CIO2_INT_EXT_OE_OES_SHIFT)
 127 #define CIO2_REG_INT_EN                                 0x1420
 128 #define CIO2_REG_INT_EN_IRQ                             (1 << 24)
 129 #define CIO2_REG_INT_EN_IOS(dma)        (1 << (((dma) >> 1) + 12))
 130 /*
 131  * Interrupt on completion bit, Eg. DMA 0-3 maps to bit 0-3,
 132  * DMA4 & DMA5 map to bit 4 ... DMA18 & DMA19 map to bit 11 Et cetera
 133  */
 134 #define CIO2_INT_IOC(dma)       (1 << ((dma) < 4 ? (dma) : ((dma) >> 1) + 2))
 135 #define CIO2_INT_IOC_SHIFT                              0
 136 #define CIO2_INT_IOC_MASK               (0x7ff << CIO2_INT_IOC_SHIFT)
 137 #define CIO2_INT_IOS_IOLN(dma)          (1 << (((dma) >> 1) + 12))
 138 #define CIO2_INT_IOS_IOLN_SHIFT                         12
 139 #define CIO2_INT_IOS_IOLN_MASK          (0x3ff << CIO2_INT_IOS_IOLN_SHIFT)
 140 #define CIO2_INT_IOIE                                   BIT(22)
 141 #define CIO2_INT_IOOE                                   BIT(23)
 142 #define CIO2_INT_IOIRQ                                  BIT(24)
 143 #define CIO2_REG_INT_EN_EXT_OE                          0x1424
 144 #define CIO2_REG_DMA_DBG                                0x1448
 145 #define CIO2_REG_DMA_DBG_DMA_INDEX_SHIFT                0
 146 #define CIO2_REG_PBM_ARB_CTRL                           0x1460
 147 #define CIO2_PBM_ARB_CTRL_LANES_DIV                     0 /* 4-4-2-2 lanes */
 148 #define CIO2_PBM_ARB_CTRL_LANES_DIV_SHIFT               0
 149 #define CIO2_PBM_ARB_CTRL_LE_EN                         BIT(7)
 150 #define CIO2_PBM_ARB_CTRL_PLL_POST_SHTDN                2
 151 #define CIO2_PBM_ARB_CTRL_PLL_POST_SHTDN_SHIFT          8
 152 #define CIO2_PBM_ARB_CTRL_PLL_AHD_WK_UP                 480
 153 #define CIO2_PBM_ARB_CTRL_PLL_AHD_WK_UP_SHIFT           16
 154 #define CIO2_REG_PBM_WMCTRL1                            0x1464
 155 #define CIO2_PBM_WMCTRL1_MIN_2CK_SHIFT                  0
 156 #define CIO2_PBM_WMCTRL1_MID1_2CK_SHIFT                 8
 157 #define CIO2_PBM_WMCTRL1_MID2_2CK_SHIFT                 16
 158 #define CIO2_PBM_WMCTRL1_TS_COUNT_DISABLE               BIT(31)
 159 #define CIO2_PBM_WMCTRL1_MIN_2CK        (4 << CIO2_PBM_WMCTRL1_MIN_2CK_SHIFT)
 160 #define CIO2_PBM_WMCTRL1_MID1_2CK       (16 << CIO2_PBM_WMCTRL1_MID1_2CK_SHIFT)
 161 #define CIO2_PBM_WMCTRL1_MID2_2CK       (21 << CIO2_PBM_WMCTRL1_MID2_2CK_SHIFT)
 162 #define CIO2_REG_PBM_WMCTRL2                            0x1468
 163 #define CIO2_PBM_WMCTRL2_HWM_2CK                        40
 164 #define CIO2_PBM_WMCTRL2_HWM_2CK_SHIFT                  0
 165 #define CIO2_PBM_WMCTRL2_LWM_2CK                        22
 166 #define CIO2_PBM_WMCTRL2_LWM_2CK_SHIFT                  8
 167 #define CIO2_PBM_WMCTRL2_OBFFWM_2CK                     2
 168 #define CIO2_PBM_WMCTRL2_OBFFWM_2CK_SHIFT               16
 169 #define CIO2_PBM_WMCTRL2_TRANSDYN                       1
 170 #define CIO2_PBM_WMCTRL2_TRANSDYN_SHIFT                 24
 171 #define CIO2_PBM_WMCTRL2_DYNWMEN                        BIT(28)
 172 #define CIO2_PBM_WMCTRL2_OBFF_MEM_EN                    BIT(29)
 173 #define CIO2_PBM_WMCTRL2_OBFF_CPU_EN                    BIT(30)
 174 #define CIO2_PBM_WMCTRL2_DRAINNOW                       BIT(31)
 175 #define CIO2_REG_PBM_TS_COUNT                           0x146c
 176 #define CIO2_REG_PBM_FOPN_ABORT                         0x1474
 177 /* below n = 0..3 */
 178 #define CIO2_PBM_FOPN_ABORT(n)                          (0x1 << 8 * (n))
 179 #define CIO2_PBM_FOPN_FORCE_ABORT(n)                    (0x2 << 8 * (n))
 180 #define CIO2_PBM_FOPN_FRAMEOPEN(n)                      (0x8 << 8 * (n))
 181 #define CIO2_REG_LTRCTRL                                0x1480
 182 #define CIO2_LTRCTRL_LTRDYNEN                           BIT(16)
 183 #define CIO2_LTRCTRL_LTRSTABLETIME_SHIFT                8
 184 #define CIO2_LTRCTRL_LTRSTABLETIME_MASK                 0xff
 185 #define CIO2_LTRCTRL_LTRSEL1S3                          BIT(7)
 186 #define CIO2_LTRCTRL_LTRSEL1S2                          BIT(6)
 187 #define CIO2_LTRCTRL_LTRSEL1S1                          BIT(5)
 188 #define CIO2_LTRCTRL_LTRSEL1S0                          BIT(4)
 189 #define CIO2_LTRCTRL_LTRSEL2S3                          BIT(3)
 190 #define CIO2_LTRCTRL_LTRSEL2S2                          BIT(2)
 191 #define CIO2_LTRCTRL_LTRSEL2S1                          BIT(1)
 192 #define CIO2_LTRCTRL_LTRSEL2S0                          BIT(0)
 193 #define CIO2_REG_LTRVAL23                               0x1484
 194 #define CIO2_REG_LTRVAL01                               0x1488
 195 #define CIO2_LTRVAL02_VAL_SHIFT                         0
 196 #define CIO2_LTRVAL02_SCALE_SHIFT                       10
 197 #define CIO2_LTRVAL13_VAL_SHIFT                         16
 198 #define CIO2_LTRVAL13_SCALE_SHIFT                       26
 199 
 200 #define CIO2_LTRVAL0_VAL                                175
 201 /* Value times 1024 ns */
 202 #define CIO2_LTRVAL0_SCALE                              2
 203 #define CIO2_LTRVAL1_VAL                                90
 204 #define CIO2_LTRVAL1_SCALE                              2
 205 #define CIO2_LTRVAL2_VAL                                90
 206 #define CIO2_LTRVAL2_SCALE                              2
 207 #define CIO2_LTRVAL3_VAL                                90
 208 #define CIO2_LTRVAL3_SCALE                              2
 209 
 210 #define CIO2_REG_CDMABA(n)              (0x1500 + 0x10 * (n))   /* n = 0..19 */
 211 #define CIO2_REG_CDMARI(n)              (0x1504 + 0x10 * (n))
 212 #define CIO2_CDMARI_FBPT_RP_SHIFT                       0
 213 #define CIO2_CDMARI_FBPT_RP_MASK                        0xff
 214 #define CIO2_REG_CDMAC0(n)              (0x1508 + 0x10 * (n))
 215 #define CIO2_CDMAC0_FBPT_LEN_SHIFT                      0
 216 #define CIO2_CDMAC0_FBPT_WIDTH_SHIFT                    8
 217 #define CIO2_CDMAC0_FBPT_NS                             BIT(25)
 218 #define CIO2_CDMAC0_DMA_INTR_ON_FS                      BIT(26)
 219 #define CIO2_CDMAC0_DMA_INTR_ON_FE                      BIT(27)
 220 #define CIO2_CDMAC0_FBPT_UPDATE_FIFO_FULL               BIT(28)
 221 #define CIO2_CDMAC0_FBPT_FIFO_FULL_FIX_DIS              BIT(29)
 222 #define CIO2_CDMAC0_DMA_EN                              BIT(30)
 223 #define CIO2_CDMAC0_DMA_HALTED                          BIT(31)
 224 #define CIO2_REG_CDMAC1(n)              (0x150c + 0x10 * (n))
 225 #define CIO2_CDMAC1_LINENUMINT_SHIFT                    0
 226 #define CIO2_CDMAC1_LINENUMUPDATE_SHIFT                 16
 227 /* n = 0..3 */
 228 #define CIO2_REG_PXM_PXF_FMT_CFG0(n)    (0x1700 + 0x30 * (n))
 229 #define CIO2_PXM_PXF_FMT_CFG_SID0_SHIFT                 0
 230 #define CIO2_PXM_PXF_FMT_CFG_SID1_SHIFT                 16
 231 #define CIO2_PXM_PXF_FMT_CFG_PCK_64B                    (0 << 0)
 232 #define CIO2_PXM_PXF_FMT_CFG_PCK_32B                    (1 << 0)
 233 #define CIO2_PXM_PXF_FMT_CFG_BPP_08                     (0 << 2)
 234 #define CIO2_PXM_PXF_FMT_CFG_BPP_10                     (1 << 2)
 235 #define CIO2_PXM_PXF_FMT_CFG_BPP_12                     (2 << 2)
 236 #define CIO2_PXM_PXF_FMT_CFG_BPP_14                     (3 << 2)
 237 #define CIO2_PXM_PXF_FMT_CFG_SPEC_4PPC                  (0 << 4)
 238 #define CIO2_PXM_PXF_FMT_CFG_SPEC_3PPC_RGBA             (1 << 4)
 239 #define CIO2_PXM_PXF_FMT_CFG_SPEC_3PPC_ARGB             (2 << 4)
 240 #define CIO2_PXM_PXF_FMT_CFG_SPEC_PLANAR2               (3 << 4)
 241 #define CIO2_PXM_PXF_FMT_CFG_SPEC_PLANAR3               (4 << 4)
 242 #define CIO2_PXM_PXF_FMT_CFG_SPEC_NV16                  (5 << 4)
 243 #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_1ST_AB              (1 << 7)
 244 #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_1ST_CD              (1 << 8)
 245 #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_2ND_AC              (1 << 9)
 246 #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_2ND_BD              (1 << 10)
 247 #define CIO2_REG_INT_STS_EXT_IE                         0x17e4
 248 #define CIO2_REG_INT_EN_EXT_IE                          0x17e8
 249 #define CIO2_INT_EXT_IE_ECC_RE(n)                       (0x01 << (8 * (n)))
 250 #define CIO2_INT_EXT_IE_DPHY_NR(n)                      (0x02 << (8 * (n)))
 251 #define CIO2_INT_EXT_IE_ECC_NR(n)                       (0x04 << (8 * (n)))
 252 #define CIO2_INT_EXT_IE_CRCERR(n)                       (0x08 << (8 * (n)))
 253 #define CIO2_INT_EXT_IE_INTERFRAMEDATA(n)               (0x10 << (8 * (n)))
 254 #define CIO2_INT_EXT_IE_PKT2SHORT(n)                    (0x20 << (8 * (n)))
 255 #define CIO2_INT_EXT_IE_PKT2LONG(n)                     (0x40 << (8 * (n)))
 256 #define CIO2_INT_EXT_IE_IRQ(n)                          (0x80 << (8 * (n)))
 257 #define CIO2_REG_PXM_FRF_CFG(n)                         (0x1720 + 0x30 * (n))
 258 #define CIO2_PXM_FRF_CFG_FNSEL                          BIT(0)
 259 #define CIO2_PXM_FRF_CFG_FN_RST                         BIT(1)
 260 #define CIO2_PXM_FRF_CFG_ABORT                          BIT(2)
 261 #define CIO2_PXM_FRF_CFG_CRC_TH_SHIFT                   3
 262 #define CIO2_PXM_FRF_CFG_MSK_ECC_DPHY_NR                BIT(8)
 263 #define CIO2_PXM_FRF_CFG_MSK_ECC_RE                     BIT(9)
 264 #define CIO2_PXM_FRF_CFG_MSK_ECC_DPHY_NE                BIT(10)
 265 #define CIO2_PXM_FRF_CFG_EVEN_ODD_MODE_SHIFT            11
 266 #define CIO2_PXM_FRF_CFG_MASK_CRC_THRES                 BIT(13)
 267 #define CIO2_PXM_FRF_CFG_MASK_CSI_ACCEPT                BIT(14)
 268 #define CIO2_PXM_FRF_CFG_CIOHC_FS_MODE                  BIT(15)
 269 #define CIO2_PXM_FRF_CFG_CIOHC_FRST_FRM_SHIFT           16
 270 #define CIO2_REG_PXM_SID2BID0(n)                        (0x1724 + 0x30 * (n))
 271 #define CIO2_FB_HPLL_FREQ                               0x2
 272 #define CIO2_ISCLK_RATIO                                0xc
 273 
 274 #define CIO2_IRQCTRL_MASK                               0x3ffff
 275 
 276 #define CIO2_INT_EN_EXT_OE_MASK                         0x8f0fffff
 277 
 278 #define CIO2_CGC_CLKGATE_HOLDOFF                        3
 279 #define CIO2_CGC_CSI_CLKGATE_HOLDOFF                    5
 280 
 281 #define CIO2_PXM_FRF_CFG_CRC_TH                         16
 282 
 283 #define CIO2_INT_EN_EXT_IE_MASK                         0xffffffff
 284 
 285 #define CIO2_DMA_CHAN                                   0
 286 
 287 #define CIO2_CSIRX_DLY_CNT_CLANE_IDX                    -1
 288 
 289 #define CIO2_CSIRX_DLY_CNT_TERMEN_CLANE_A               0
 290 #define CIO2_CSIRX_DLY_CNT_TERMEN_CLANE_B               0
 291 #define CIO2_CSIRX_DLY_CNT_SETTLE_CLANE_A               95
 292 #define CIO2_CSIRX_DLY_CNT_SETTLE_CLANE_B               -8
 293 
 294 #define CIO2_CSIRX_DLY_CNT_TERMEN_DLANE_A               0
 295 #define CIO2_CSIRX_DLY_CNT_TERMEN_DLANE_B               0
 296 #define CIO2_CSIRX_DLY_CNT_SETTLE_DLANE_A               85
 297 #define CIO2_CSIRX_DLY_CNT_SETTLE_DLANE_B               -2
 298 
 299 #define CIO2_CSIRX_DLY_CNT_TERMEN_DEFAULT               0x4
 300 #define CIO2_CSIRX_DLY_CNT_SETTLE_DEFAULT               0x570
 301 
 302 #define CIO2_PMCSR_OFFSET                               4
 303 #define CIO2_PMCSR_D0D3_SHIFT                           2
 304 #define CIO2_PMCSR_D3                                   0x3
 305 
 306 struct cio2_csi2_timing {
 307         s32 clk_termen;
 308         s32 clk_settle;
 309         s32 dat_termen;
 310         s32 dat_settle;
 311 };
 312 
 313 struct cio2_buffer {
 314         struct vb2_v4l2_buffer vbb;
 315         u32 *lop[CIO2_MAX_LOPS];
 316         dma_addr_t lop_bus_addr[CIO2_MAX_LOPS];
 317         unsigned int offset;
 318 };
 319 
 320 struct csi2_bus_info {
 321         u32 port;
 322         u32 lanes;
 323 };
 324 
 325 struct cio2_queue {
 326         /* mutex to be used by vb2_queue */
 327         struct mutex lock;
 328         struct media_pipeline pipe;
 329         struct csi2_bus_info csi2;
 330         struct v4l2_subdev *sensor;
 331         void __iomem *csi_rx_base;
 332 
 333         /* Subdev, /dev/v4l-subdevX */
 334         struct v4l2_subdev subdev;
 335         struct media_pad subdev_pads[CIO2_PADS];
 336         struct v4l2_mbus_framefmt subdev_fmt;
 337         atomic_t frame_sequence;
 338 
 339         /* Video device, /dev/videoX */
 340         struct video_device vdev;
 341         struct media_pad vdev_pad;
 342         struct v4l2_pix_format_mplane format;
 343         struct vb2_queue vbq;
 344 
 345         /* Buffer queue handling */
 346         struct cio2_fbpt_entry *fbpt;   /* Frame buffer pointer table */
 347         dma_addr_t fbpt_bus_addr;
 348         struct cio2_buffer *bufs[CIO2_MAX_BUFFERS];
 349         unsigned int bufs_first;        /* Index of the first used entry */
 350         unsigned int bufs_next; /* Index of the first unused entry */
 351         atomic_t bufs_queued;
 352 };
 353 
 354 struct cio2_device {
 355         struct pci_dev *pci_dev;
 356         void __iomem *base;
 357         struct v4l2_device v4l2_dev;
 358         struct cio2_queue queue[CIO2_QUEUES];
 359         struct cio2_queue *cur_queue;
 360         /* mutex to be used by video_device */
 361         struct mutex lock;
 362 
 363         bool streaming;
 364         struct v4l2_async_notifier notifier;
 365         struct media_device media_dev;
 366 
 367         /*
 368          * Safety net to catch DMA fetch ahead
 369          * when reaching the end of LOP
 370          */
 371         void *dummy_page;
 372         /* DMA handle of dummy_page */
 373         dma_addr_t dummy_page_bus_addr;
 374         /* single List of Pointers (LOP) page */
 375         u32 *dummy_lop;
 376         /* DMA handle of dummy_lop */
 377         dma_addr_t dummy_lop_bus_addr;
 378 };
 379 
 380 /**************** Virtual channel ****************/
 381 /*
 382  * This should come from sensor driver. No
 383  * driver interface nor requirement yet.
 384  */
 385 #define SENSOR_VIR_CH_DFLT              0
 386 
 387 /**************** FBPT operations ****************/
 388 #define CIO2_FBPT_SIZE                  (CIO2_MAX_BUFFERS * CIO2_MAX_LOPS * \
 389                                          sizeof(struct cio2_fbpt_entry))
 390 
 391 #define CIO2_FBPT_SUBENTRY_UNIT         4
 392 #define CIO2_PAGE_SIZE                  4096
 393 
 394 /* cio2 fbpt first_entry ctrl status */
 395 #define CIO2_FBPT_CTRL_VALID            BIT(0)
 396 #define CIO2_FBPT_CTRL_IOC              BIT(1)
 397 #define CIO2_FBPT_CTRL_IOS              BIT(2)
 398 #define CIO2_FBPT_CTRL_SUCCXFAIL        BIT(3)
 399 #define CIO2_FBPT_CTRL_CMPLCODE_SHIFT   4
 400 
 401 /*
 402  * Frame Buffer Pointer Table(FBPT) entry
 403  * each entry describe an output buffer and consists of
 404  * several sub-entries
 405  */
 406 struct __packed cio2_fbpt_entry {
 407         union {
 408                 struct __packed {
 409                         u32 ctrl; /* status ctrl */
 410                         u16 cur_line_num; /* current line # written to DDR */
 411                         u16 frame_num; /* updated by DMA upon FE */
 412                         u32 first_page_offset; /* offset for 1st page in LOP */
 413                 } first_entry;
 414                 /* Second entry per buffer */
 415                 struct __packed {
 416                         u32 timestamp;
 417                         u32 num_of_bytes;
 418                         /* the number of bytes for write on last page */
 419                         u16 last_page_available_bytes;
 420                         /* the number of pages allocated for this buf */
 421                         u16 num_of_pages;
 422                 } second_entry;
 423         };
 424         u32 lop_page_addr;      /* Points to list of pointers (LOP) table */
 425 };
 426 
 427 static inline struct cio2_queue *file_to_cio2_queue(struct file *file)
 428 {
 429         return container_of(video_devdata(file), struct cio2_queue, vdev);
 430 }
 431 
 432 static inline struct cio2_queue *vb2q_to_cio2_queue(struct vb2_queue *vq)
 433 {
 434         return container_of(vq, struct cio2_queue, vbq);
 435 }
 436 
 437 #endif

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