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 438