| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Yong Zhi | 1411 | 89.19% | 2 | 25.00% |
| Sakari Ailus | 84 | 5.31% | 3 | 37.50% |
| Andy Shevchenko | 53 | 3.35% | 2 | 25.00% |
| Daniel Scally | 34 | 2.15% | 1 | 12.50% |
| Total | 1582 | 8 |
/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2017 Intel Corporation */ #ifndef __IPU3_CIO2_H #define __IPU3_CIO2_H #include <linux/bits.h> #include <linux/dma-mapping.h> #include <linux/kernel.h> #include <linux/mutex.h> #include <linux/types.h> #include <asm/page.h> #include <media/media-device.h> #include <media/media-entity.h> #include <media/v4l2-async.h> #include <media/v4l2-dev.h> #include <media/v4l2-device.h> #include <media/v4l2-subdev.h> #include <media/videobuf2-core.h> #include <media/videobuf2-v4l2.h> struct cio2_fbpt_entry; /* defined here, after the first usage */ struct pci_dev; #define CIO2_NAME "ipu3-cio2" #define CIO2_DEVICE_NAME "Intel IPU3 CIO2" #define CIO2_ENTITY_NAME "ipu3-csi2" #define CIO2_PCI_ID 0x9d32 #define CIO2_PCI_BAR 0 #define CIO2_DMA_MASK DMA_BIT_MASK(39) #define CIO2_IMAGE_MAX_WIDTH 4224U #define CIO2_IMAGE_MAX_HEIGHT 3136U /* 32MB = 8xFBPT_entry */ #define CIO2_MAX_LOPS 8 #define CIO2_MAX_BUFFERS (PAGE_SIZE / 16 / CIO2_MAX_LOPS) #define CIO2_LOP_ENTRIES (PAGE_SIZE / sizeof(u32)) #define CIO2_PAD_SINK 0U #define CIO2_PAD_SOURCE 1U #define CIO2_PADS 2U #define CIO2_NUM_DMA_CHAN 20U #define CIO2_NUM_PORTS 4U /* DPHYs */ /* 1 for each sensor */ #define CIO2_QUEUES CIO2_NUM_PORTS /* Register and bit field definitions */ #define CIO2_REG_PIPE_BASE(n) ((n) * 0x0400) /* n = 0..3 */ #define CIO2_REG_CSIRX_BASE 0x000 #define CIO2_REG_MIPIBE_BASE 0x100 #define CIO2_REG_PIXELGEN_BAS 0x200 #define CIO2_REG_IRQCTRL_BASE 0x300 #define CIO2_REG_GPREG_BASE 0x1000 /* base register: CIO2_REG_PIPE_BASE(pipe) * CIO2_REG_CSIRX_BASE */ #define CIO2_REG_CSIRX_ENABLE (CIO2_REG_CSIRX_BASE + 0x0) #define CIO2_REG_CSIRX_NOF_ENABLED_LANES (CIO2_REG_CSIRX_BASE + 0x4) #define CIO2_REG_CSIRX_SP_IF_CONFIG (CIO2_REG_CSIRX_BASE + 0x10) #define CIO2_REG_CSIRX_LP_IF_CONFIG (CIO2_REG_CSIRX_BASE + 0x14) #define CIO2_CSIRX_IF_CONFIG_FILTEROUT 0x00 #define CIO2_CSIRX_IF_CONFIG_FILTEROUT_VC_INACTIVE 0x01 #define CIO2_CSIRX_IF_CONFIG_PASS 0x02 #define CIO2_CSIRX_IF_CONFIG_FLAG_ERROR BIT(2) #define CIO2_REG_CSIRX_STATUS (CIO2_REG_CSIRX_BASE + 0x18) #define CIO2_REG_CSIRX_STATUS_DLANE_HS (CIO2_REG_CSIRX_BASE + 0x1c) #define CIO2_CSIRX_STATUS_DLANE_HS_MASK 0xff #define CIO2_REG_CSIRX_STATUS_DLANE_LP (CIO2_REG_CSIRX_BASE + 0x20) #define CIO2_CSIRX_STATUS_DLANE_LP_MASK 0xffffff /* Termination enable and settle in 0.0625ns units, lane=0..3 or -1 for clock */ #define CIO2_REG_CSIRX_DLY_CNT_TERMEN(lane) \ (CIO2_REG_CSIRX_BASE + 0x2c + 8 * (lane)) #define CIO2_REG_CSIRX_DLY_CNT_SETTLE(lane) \ (CIO2_REG_CSIRX_BASE + 0x30 + 8 * (lane)) /* base register: CIO2_REG_PIPE_BASE(pipe) * CIO2_REG_MIPIBE_BASE */ #define CIO2_REG_MIPIBE_ENABLE (CIO2_REG_MIPIBE_BASE + 0x0) #define CIO2_REG_MIPIBE_STATUS (CIO2_REG_MIPIBE_BASE + 0x4) #define CIO2_REG_MIPIBE_COMP_FORMAT(vc) \ (CIO2_REG_MIPIBE_BASE + 0x8 + 0x4 * (vc)) #define CIO2_REG_MIPIBE_FORCE_RAW8 (CIO2_REG_MIPIBE_BASE + 0x20) #define CIO2_REG_MIPIBE_FORCE_RAW8_ENABLE BIT(0) #define CIO2_REG_MIPIBE_FORCE_RAW8_USE_TYPEID BIT(1) #define CIO2_REG_MIPIBE_FORCE_RAW8_TYPEID_SHIFT 2U #define CIO2_REG_MIPIBE_IRQ_STATUS (CIO2_REG_MIPIBE_BASE + 0x24) #define CIO2_REG_MIPIBE_IRQ_CLEAR (CIO2_REG_MIPIBE_BASE + 0x28) #define CIO2_REG_MIPIBE_GLOBAL_LUT_DISREGARD (CIO2_REG_MIPIBE_BASE + 0x68) #define CIO2_MIPIBE_GLOBAL_LUT_DISREGARD 1U #define CIO2_REG_MIPIBE_PKT_STALL_STATUS (CIO2_REG_MIPIBE_BASE + 0x6c) #define CIO2_REG_MIPIBE_PARSE_GSP_THROUGH_LP_LUT_REG_IDX \ (CIO2_REG_MIPIBE_BASE + 0x70) #define CIO2_REG_MIPIBE_SP_LUT_ENTRY(vc) \ (CIO2_REG_MIPIBE_BASE + 0x74 + 4 * (vc)) #define CIO2_REG_MIPIBE_LP_LUT_ENTRY(m) /* m = 0..15 */ \ (CIO2_REG_MIPIBE_BASE + 0x84 + 4 * (m)) #define CIO2_MIPIBE_LP_LUT_ENTRY_DISREGARD 1U #define CIO2_MIPIBE_LP_LUT_ENTRY_SID_SHIFT 1U #define CIO2_MIPIBE_LP_LUT_ENTRY_VC_SHIFT 5U #define CIO2_MIPIBE_LP_LUT_ENTRY_FORMAT_TYPE_SHIFT 7U /* base register: CIO2_REG_PIPE_BASE(pipe) * CIO2_REG_IRQCTRL_BASE */ /* IRQ registers are 18-bit wide, see cio2_irq_error for bit definitions */ #define CIO2_REG_IRQCTRL_EDGE (CIO2_REG_IRQCTRL_BASE + 0x00) #define CIO2_REG_IRQCTRL_MASK (CIO2_REG_IRQCTRL_BASE + 0x04) #define CIO2_REG_IRQCTRL_STATUS (CIO2_REG_IRQCTRL_BASE + 0x08) #define CIO2_REG_IRQCTRL_CLEAR (CIO2_REG_IRQCTRL_BASE + 0x0c) #define CIO2_REG_IRQCTRL_ENABLE (CIO2_REG_IRQCTRL_BASE + 0x10) #define CIO2_REG_IRQCTRL_LEVEL_NOT_PULSE (CIO2_REG_IRQCTRL_BASE + 0x14) #define CIO2_REG_GPREG_SRST (CIO2_REG_GPREG_BASE + 0x0) #define CIO2_GPREG_SRST_ALL 0xffff /* Reset all */ #define CIO2_REG_FB_HPLL_FREQ (CIO2_REG_GPREG_BASE + 0x08) #define CIO2_REG_ISCLK_RATIO (CIO2_REG_GPREG_BASE + 0xc) #define CIO2_REG_CGC 0x1400 #define CIO2_CGC_CSI2_TGE BIT(0) #define CIO2_CGC_PRIM_TGE BIT(1) #define CIO2_CGC_SIDE_TGE BIT(2) #define CIO2_CGC_XOSC_TGE BIT(3) #define CIO2_CGC_MPLL_SHUTDOWN_EN BIT(4) #define CIO2_CGC_D3I3_TGE BIT(5) #define CIO2_CGC_CSI2_INTERFRAME_TGE BIT(6) #define CIO2_CGC_CSI2_PORT_DCGE BIT(8) #define CIO2_CGC_CSI2_DCGE BIT(9) #define CIO2_CGC_SIDE_DCGE BIT(10) #define CIO2_CGC_PRIM_DCGE BIT(11) #define CIO2_CGC_ROSC_DCGE BIT(12) #define CIO2_CGC_XOSC_DCGE BIT(13) #define CIO2_CGC_FLIS_DCGE BIT(14) #define CIO2_CGC_CLKGATE_HOLDOFF_SHIFT 20U #define CIO2_CGC_CSI_CLKGATE_HOLDOFF_SHIFT 24U #define CIO2_REG_D0I3C 0x1408 #define CIO2_D0I3C_I3 BIT(2) /* Set D0I3 */ #define CIO2_D0I3C_RR BIT(3) /* Restore? */ #define CIO2_REG_SWRESET 0x140c #define CIO2_SWRESET_SWRESET 1U #define CIO2_REG_SENSOR_ACTIVE 0x1410 #define CIO2_REG_INT_STS 0x1414 #define CIO2_REG_INT_STS_EXT_OE 0x1418 #define CIO2_INT_EXT_OE_DMAOE_SHIFT 0U #define CIO2_INT_EXT_OE_DMAOE_MASK 0x7ffff #define CIO2_INT_EXT_OE_OES_SHIFT 24U #define CIO2_INT_EXT_OE_OES_MASK (0xf << CIO2_INT_EXT_OE_OES_SHIFT) #define CIO2_REG_INT_EN 0x1420 #define CIO2_REG_INT_EN_IRQ (1 << 24) #define CIO2_REG_INT_EN_IOS(dma) (1U << (((dma) >> 1U) + 12U)) /* * Interrupt on completion bit, Eg. DMA 0-3 maps to bit 0-3, * DMA4 & DMA5 map to bit 4 ... DMA18 & DMA19 map to bit 11 Et cetera */ #define CIO2_INT_IOC(dma) (1U << ((dma) < 4U ? (dma) : ((dma) >> 1U) + 2U)) #define CIO2_INT_IOC_SHIFT 0 #define CIO2_INT_IOC_MASK (0x7ff << CIO2_INT_IOC_SHIFT) #define CIO2_INT_IOS_IOLN(dma) (1U << (((dma) >> 1U) + 12U)) #define CIO2_INT_IOS_IOLN_SHIFT 12 #define CIO2_INT_IOS_IOLN_MASK (0x3ff << CIO2_INT_IOS_IOLN_SHIFT) #define CIO2_INT_IOIE BIT(22) #define CIO2_INT_IOOE BIT(23) #define CIO2_INT_IOIRQ BIT(24) #define CIO2_REG_INT_EN_EXT_OE 0x1424 #define CIO2_REG_DMA_DBG 0x1448 #define CIO2_REG_DMA_DBG_DMA_INDEX_SHIFT 0U #define CIO2_REG_PBM_ARB_CTRL 0x1460 #define CIO2_PBM_ARB_CTRL_LANES_DIV 0U /* 4-4-2-2 lanes */ #define CIO2_PBM_ARB_CTRL_LANES_DIV_SHIFT 0U #define CIO2_PBM_ARB_CTRL_LE_EN BIT(7) #define CIO2_PBM_ARB_CTRL_PLL_POST_SHTDN 2U #define CIO2_PBM_ARB_CTRL_PLL_POST_SHTDN_SHIFT 8U #define CIO2_PBM_ARB_CTRL_PLL_AHD_WK_UP 480U #define CIO2_PBM_ARB_CTRL_PLL_AHD_WK_UP_SHIFT 16U #define CIO2_REG_PBM_WMCTRL1 0x1464 #define CIO2_PBM_WMCTRL1_MIN_2CK_SHIFT 0U #define CIO2_PBM_WMCTRL1_MID1_2CK_SHIFT 8U #define CIO2_PBM_WMCTRL1_MID2_2CK_SHIFT 16U #define CIO2_PBM_WMCTRL1_TS_COUNT_DISABLE BIT(31) #define CIO2_PBM_WMCTRL1_MIN_2CK (4 << CIO2_PBM_WMCTRL1_MIN_2CK_SHIFT) #define CIO2_PBM_WMCTRL1_MID1_2CK (16 << CIO2_PBM_WMCTRL1_MID1_2CK_SHIFT) #define CIO2_PBM_WMCTRL1_MID2_2CK (21 << CIO2_PBM_WMCTRL1_MID2_2CK_SHIFT) #define CIO2_REG_PBM_WMCTRL2 0x1468 #define CIO2_PBM_WMCTRL2_HWM_2CK 40U #define CIO2_PBM_WMCTRL2_HWM_2CK_SHIFT 0U #define CIO2_PBM_WMCTRL2_LWM_2CK 22U #define CIO2_PBM_WMCTRL2_LWM_2CK_SHIFT 8U #define CIO2_PBM_WMCTRL2_OBFFWM_2CK 2U #define CIO2_PBM_WMCTRL2_OBFFWM_2CK_SHIFT 16U #define CIO2_PBM_WMCTRL2_TRANSDYN 1U #define CIO2_PBM_WMCTRL2_TRANSDYN_SHIFT 24U #define CIO2_PBM_WMCTRL2_DYNWMEN BIT(28) #define CIO2_PBM_WMCTRL2_OBFF_MEM_EN BIT(29) #define CIO2_PBM_WMCTRL2_OBFF_CPU_EN BIT(30) #define CIO2_PBM_WMCTRL2_DRAINNOW BIT(31) #define CIO2_REG_PBM_TS_COUNT 0x146c #define CIO2_REG_PBM_FOPN_ABORT 0x1474 /* below n = 0..3 */ #define CIO2_PBM_FOPN_ABORT(n) (0x1 << 8U * (n)) #define CIO2_PBM_FOPN_FORCE_ABORT(n) (0x2 << 8U * (n)) #define CIO2_PBM_FOPN_FRAMEOPEN(n) (0x8 << 8U * (n)) #define CIO2_REG_LTRCTRL 0x1480 #define CIO2_LTRCTRL_LTRDYNEN BIT(16) #define CIO2_LTRCTRL_LTRSTABLETIME_SHIFT 8U #define CIO2_LTRCTRL_LTRSTABLETIME_MASK 0xff #define CIO2_LTRCTRL_LTRSEL1S3 BIT(7) #define CIO2_LTRCTRL_LTRSEL1S2 BIT(6) #define CIO2_LTRCTRL_LTRSEL1S1 BIT(5) #define CIO2_LTRCTRL_LTRSEL1S0 BIT(4) #define CIO2_LTRCTRL_LTRSEL2S3 BIT(3) #define CIO2_LTRCTRL_LTRSEL2S2 BIT(2) #define CIO2_LTRCTRL_LTRSEL2S1 BIT(1) #define CIO2_LTRCTRL_LTRSEL2S0 BIT(0) #define CIO2_REG_LTRVAL23 0x1484 #define CIO2_REG_LTRVAL01 0x1488 #define CIO2_LTRVAL02_VAL_SHIFT 0U #define CIO2_LTRVAL02_SCALE_SHIFT 10U #define CIO2_LTRVAL13_VAL_SHIFT 16U #define CIO2_LTRVAL13_SCALE_SHIFT 26U #define CIO2_LTRVAL0_VAL 175U /* Value times 1024 ns */ #define CIO2_LTRVAL0_SCALE 2U #define CIO2_LTRVAL1_VAL 90U #define CIO2_LTRVAL1_SCALE 2U #define CIO2_LTRVAL2_VAL 90U #define CIO2_LTRVAL2_SCALE 2U #define CIO2_LTRVAL3_VAL 90U #define CIO2_LTRVAL3_SCALE 2U #define CIO2_REG_CDMABA(n) (0x1500 + 0x10 * (n)) /* n = 0..19 */ #define CIO2_REG_CDMARI(n) (0x1504 + 0x10 * (n)) #define CIO2_CDMARI_FBPT_RP_SHIFT 0U #define CIO2_CDMARI_FBPT_RP_MASK 0xff #define CIO2_REG_CDMAC0(n) (0x1508 + 0x10 * (n)) #define CIO2_CDMAC0_FBPT_LEN_SHIFT 0U #define CIO2_CDMAC0_FBPT_WIDTH_SHIFT 8U #define CIO2_CDMAC0_FBPT_NS BIT(25) #define CIO2_CDMAC0_DMA_INTR_ON_FS BIT(26) #define CIO2_CDMAC0_DMA_INTR_ON_FE BIT(27) #define CIO2_CDMAC0_FBPT_UPDATE_FIFO_FULL BIT(28) #define CIO2_CDMAC0_FBPT_FIFO_FULL_FIX_DIS BIT(29) #define CIO2_CDMAC0_DMA_EN BIT(30) #define CIO2_CDMAC0_DMA_HALTED BIT(31) #define CIO2_REG_CDMAC1(n) (0x150c + 0x10 * (n)) #define CIO2_CDMAC1_LINENUMINT_SHIFT 0U #define CIO2_CDMAC1_LINENUMUPDATE_SHIFT 16U /* n = 0..3 */ #define CIO2_REG_PXM_PXF_FMT_CFG0(n) (0x1700 + 0x30 * (n)) #define CIO2_PXM_PXF_FMT_CFG_SID0_SHIFT 0U #define CIO2_PXM_PXF_FMT_CFG_SID1_SHIFT 16U #define CIO2_PXM_PXF_FMT_CFG_PCK_64B (0 << 0) #define CIO2_PXM_PXF_FMT_CFG_PCK_32B (1 << 0) #define CIO2_PXM_PXF_FMT_CFG_BPP_08 (0 << 2) #define CIO2_PXM_PXF_FMT_CFG_BPP_10 (1 << 2) #define CIO2_PXM_PXF_FMT_CFG_BPP_12 (2 << 2) #define CIO2_PXM_PXF_FMT_CFG_BPP_14 (3 << 2) #define CIO2_PXM_PXF_FMT_CFG_SPEC_4PPC (0 << 4) #define CIO2_PXM_PXF_FMT_CFG_SPEC_3PPC_RGBA (1 << 4) #define CIO2_PXM_PXF_FMT_CFG_SPEC_3PPC_ARGB (2 << 4) #define CIO2_PXM_PXF_FMT_CFG_SPEC_PLANAR2 (3 << 4) #define CIO2_PXM_PXF_FMT_CFG_SPEC_PLANAR3 (4 << 4) #define CIO2_PXM_PXF_FMT_CFG_SPEC_NV16 (5 << 4) #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_1ST_AB (1 << 7) #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_1ST_CD (1 << 8) #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_2ND_AC (1 << 9) #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_2ND_BD (1 << 10) #define CIO2_REG_INT_STS_EXT_IE 0x17e4 #define CIO2_REG_INT_EN_EXT_IE 0x17e8 #define CIO2_INT_EXT_IE_ECC_RE(n) (0x01 << (8U * (n))) #define CIO2_INT_EXT_IE_DPHY_NR(n) (0x02 << (8U * (n))) #define CIO2_INT_EXT_IE_ECC_NR(n) (0x04 << (8U * (n))) #define CIO2_INT_EXT_IE_CRCERR(n) (0x08 << (8U * (n))) #define CIO2_INT_EXT_IE_INTERFRAMEDATA(n) (0x10 << (8U * (n))) #define CIO2_INT_EXT_IE_PKT2SHORT(n) (0x20 << (8U * (n))) #define CIO2_INT_EXT_IE_PKT2LONG(n) (0x40 << (8U * (n))) #define CIO2_INT_EXT_IE_IRQ(n) (0x80 << (8U * (n))) #define CIO2_REG_PXM_FRF_CFG(n) (0x1720 + 0x30 * (n)) #define CIO2_PXM_FRF_CFG_FNSEL BIT(0) #define CIO2_PXM_FRF_CFG_FN_RST BIT(1) #define CIO2_PXM_FRF_CFG_ABORT BIT(2) #define CIO2_PXM_FRF_CFG_CRC_TH_SHIFT 3U #define CIO2_PXM_FRF_CFG_MSK_ECC_DPHY_NR BIT(8) #define CIO2_PXM_FRF_CFG_MSK_ECC_RE BIT(9) #define CIO2_PXM_FRF_CFG_MSK_ECC_DPHY_NE BIT(10) #define CIO2_PXM_FRF_CFG_EVEN_ODD_MODE_SHIFT 11U #define CIO2_PXM_FRF_CFG_MASK_CRC_THRES BIT(13) #define CIO2_PXM_FRF_CFG_MASK_CSI_ACCEPT BIT(14) #define CIO2_PXM_FRF_CFG_CIOHC_FS_MODE BIT(15) #define CIO2_PXM_FRF_CFG_CIOHC_FRST_FRM_SHIFT 16U #define CIO2_REG_PXM_SID2BID0(n) (0x1724 + 0x30 * (n)) #define CIO2_FB_HPLL_FREQ 0x2 #define CIO2_ISCLK_RATIO 0xc #define CIO2_IRQCTRL_MASK 0x3ffff #define CIO2_INT_EN_EXT_OE_MASK 0x8f0fffff #define CIO2_CGC_CLKGATE_HOLDOFF 3U #define CIO2_CGC_CSI_CLKGATE_HOLDOFF 5U #define CIO2_PXM_FRF_CFG_CRC_TH 16 #define CIO2_INT_EN_EXT_IE_MASK 0xffffffff #define CIO2_DMA_CHAN 0U #define CIO2_CSIRX_DLY_CNT_CLANE_IDX -1 #define CIO2_CSIRX_DLY_CNT_TERMEN_CLANE_A 0 #define CIO2_CSIRX_DLY_CNT_TERMEN_CLANE_B 0 #define CIO2_CSIRX_DLY_CNT_SETTLE_CLANE_A 95 #define CIO2_CSIRX_DLY_CNT_SETTLE_CLANE_B -8 #define CIO2_CSIRX_DLY_CNT_TERMEN_DLANE_A 0 #define CIO2_CSIRX_DLY_CNT_TERMEN_DLANE_B 0 #define CIO2_CSIRX_DLY_CNT_SETTLE_DLANE_A 85 #define CIO2_CSIRX_DLY_CNT_SETTLE_DLANE_B -2 #define CIO2_CSIRX_DLY_CNT_TERMEN_DEFAULT 0x4 #define CIO2_CSIRX_DLY_CNT_SETTLE_DEFAULT 0x570 #define CIO2_PMCSR_OFFSET 4U #define CIO2_PMCSR_D0D3_SHIFT 2U #define CIO2_PMCSR_D3 0x3 struct cio2_csi2_timing { s32 clk_termen; s32 clk_settle; s32 dat_termen; s32 dat_settle; }; struct cio2_buffer { struct vb2_v4l2_buffer vbb; u32 *lop[CIO2_MAX_LOPS]; dma_addr_t lop_bus_addr[CIO2_MAX_LOPS]; unsigned int offset; }; struct csi2_bus_info { u32 port; u32 lanes; }; struct cio2_queue { /* mutex to be used by vb2_queue */ struct mutex lock; struct media_pipeline pipe; struct csi2_bus_info csi2; struct v4l2_subdev *sensor; void __iomem *csi_rx_base; /* Subdev, /dev/v4l-subdevX */ struct v4l2_subdev subdev; struct mutex subdev_lock; /* Serialise acces to subdev_fmt field */ struct media_pad subdev_pads[CIO2_PADS]; struct v4l2_mbus_framefmt subdev_fmt; atomic_t frame_sequence; /* Video device, /dev/videoX */ struct video_device vdev; struct media_pad vdev_pad; struct v4l2_pix_format_mplane format; struct vb2_queue vbq; /* Buffer queue handling */ struct cio2_fbpt_entry *fbpt; /* Frame buffer pointer table */ dma_addr_t fbpt_bus_addr; struct cio2_buffer *bufs[CIO2_MAX_BUFFERS]; unsigned int bufs_first; /* Index of the first used entry */ unsigned int bufs_next; /* Index of the first unused entry */ atomic_t bufs_queued; }; struct cio2_device { struct pci_dev *pci_dev; void __iomem *base; struct v4l2_device v4l2_dev; struct cio2_queue queue[CIO2_QUEUES]; struct cio2_queue *cur_queue; /* mutex to be used by video_device */ struct mutex lock; bool streaming; struct v4l2_async_notifier notifier; struct media_device media_dev; /* * Safety net to catch DMA fetch ahead * when reaching the end of LOP */ void *dummy_page; /* DMA handle of dummy_page */ dma_addr_t dummy_page_bus_addr; /* single List of Pointers (LOP) page */ u32 *dummy_lop; /* DMA handle of dummy_lop */ dma_addr_t dummy_lop_bus_addr; }; /**************** Virtual channel ****************/ /* * This should come from sensor driver. No * driver interface nor requirement yet. */ #define SENSOR_VIR_CH_DFLT 0 /**************** FBPT operations ****************/ #define CIO2_FBPT_SIZE (CIO2_MAX_BUFFERS * CIO2_MAX_LOPS * \ sizeof(struct cio2_fbpt_entry)) #define CIO2_FBPT_SUBENTRY_UNIT 4 /* cio2 fbpt first_entry ctrl status */ #define CIO2_FBPT_CTRL_VALID BIT(0) #define CIO2_FBPT_CTRL_IOC BIT(1) #define CIO2_FBPT_CTRL_IOS BIT(2) #define CIO2_FBPT_CTRL_SUCCXFAIL BIT(3) #define CIO2_FBPT_CTRL_CMPLCODE_SHIFT 4 /* * Frame Buffer Pointer Table(FBPT) entry * each entry describe an output buffer and consists of * several sub-entries */ struct __packed cio2_fbpt_entry { union { struct __packed { u32 ctrl; /* status ctrl */ u16 cur_line_num; /* current line # written to DDR */ u16 frame_num; /* updated by DMA upon FE */ u32 first_page_offset; /* offset for 1st page in LOP */ } first_entry; /* Second entry per buffer */ struct __packed { u32 timestamp; u32 num_of_bytes; /* the number of bytes for write on last page */ u16 last_page_available_bytes; /* the number of pages allocated for this buf */ u16 num_of_pages; } second_entry; }; u32 lop_page_addr; /* Points to list of pointers (LOP) table */ }; static inline struct cio2_queue *file_to_cio2_queue(struct file *file) { return container_of(video_devdata(file), struct cio2_queue, vdev); } static inline struct cio2_queue *vb2q_to_cio2_queue(struct vb2_queue *vq) { return container_of(vq, struct cio2_queue, vbq); } #if IS_ENABLED(CONFIG_CIO2_BRIDGE) int cio2_bridge_init(struct pci_dev *cio2); #else static inline int cio2_bridge_init(struct pci_dev *cio2) { return 0; } #endif #endif
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