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Message-Id: <1465493879-5419-2-git-send-email-kieran@bingham.xyz>
Date: Thu, 9 Jun 2016 18:37:58 +0100
From: Kieran Bingham <kieran@...uared.org.uk>
To: laurent.pinchart@...asonboard.com, mchehab@....samsung.com,
linux-media@...r.kernel.org
Cc: linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
Kieran Bingham <kieran@...uared.org.uk>
Subject: [PATCH RFC 1/2] v4l: platform: Add Renesas R-Car FDP1 Driver
The FDP1 driver performs advanced de-interlacing on a memory 2 memory
based video stream, and supports conversion from YCbCr/YUV
to RGB pixel formats
Signed-off-by: Kieran Bingham <kieran@...gham.xyz>
---
drivers/media/platform/Kconfig | 13 +
drivers/media/platform/Makefile | 1 +
drivers/media/platform/rcar_fdp1.c | 2038 ++++++++++++++++++++++++++++++++++++
3 files changed, 2052 insertions(+)
create mode 100644 drivers/media/platform/rcar_fdp1.c
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 84e041c0a70e..9c745e53909b 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -235,6 +235,19 @@ config VIDEO_SH_VEU
Support for the Video Engine Unit (VEU) on SuperH and
SH-Mobile SoCs.
+config VIDEO_RENESAS_FDP1
+ tristate "Renesas Fine Display Processor"
+ depends on VIDEO_DEV && VIDEO_V4L2 && HAS_DMA
+ # depends on ARCH_SHMOBILE || COMPILE_TEST
+ select VIDEOBUF2_DMA_CONTIG
+ select V4L2_MEM2MEM_DEV
+ ---help---
+ This is a V4L2 driver for the Renesas Fine Display Processor
+ providing colour space conversion, and de-interlacing features.
+
+ To compile this driver as a module, choose M here: the module
+ will be called rcar_fdp1.
+
config VIDEO_RENESAS_JPU
tristate "Renesas JPEG Processing Unit"
depends on VIDEO_DEV && VIDEO_V4L2 && HAS_DMA
diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile
index bbb7bd1eb268..907ed6473718 100644
--- a/drivers/media/platform/Makefile
+++ b/drivers/media/platform/Makefile
@@ -46,6 +46,7 @@ obj-$(CONFIG_VIDEO_SH_VOU) += sh_vou.o
obj-$(CONFIG_SOC_CAMERA) += soc_camera/
+obj-$(CONFIG_VIDEO_RENESAS_FDP1) += rcar_fdp1.o
obj-$(CONFIG_VIDEO_RENESAS_JPU) += rcar_jpu.o
obj-$(CONFIG_VIDEO_RENESAS_VSP1) += vsp1/
diff --git a/drivers/media/platform/rcar_fdp1.c b/drivers/media/platform/rcar_fdp1.c
new file mode 100644
index 000000000000..82078367fa14
--- /dev/null
+++ b/drivers/media/platform/rcar_fdp1.c
@@ -0,0 +1,2038 @@
+/*
+ * Renesas RCar Fine Display Processor
+ *
+ * Video format converter and frame deinterlacer device.
+ *
+ * Author: Kieran Bingham, <kieran@...gham.xyz>
+ * Copyright (c) 2016 Renesas Electronics Corporation.
+ *
+ * This code is developed and inspired from the vim2m, rcar_jpu,
+ * m2m-deinterlace, and vsp1 drivers.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/fs.h>
+#include <linux/timer.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
+#include <media/videobuf2-dma-contig.h>
+#include <media/rcar-fcp.h>
+
+#include <linux/debugfs.h>
+
+static unsigned int debug;
+module_param(debug, uint, 0644);
+MODULE_PARM_DESC(debug, "activate debug info");
+
+/* Min Width/Height/Height-Field */
+#define MIN_W 80U
+#define MIN_H 80U
+
+#define MAX_W 3840U
+#define MAX_H 2160U
+
+/* Flags that indicate a format can be used for capture/output */
+#define FDP1_CAPTURE (1 << 0)
+#define FDP1_OUTPUT (1 << 1)
+
+#define DRIVER_NAME "rcar_fdp1"
+
+#define dprintk(dev, fmt, arg...) \
+ v4l2_dbg(1, debug, &dev->v4l2_dev, "%s: " fmt, __func__, ## arg)
+
+/*
+ * FDP1 registers and bits
+ */
+
+/* FDP1 start register - Imm */
+#define CTL_CMD 0x0000
+#define CTL_CMD_STRCMD BIT(0)
+
+/* Sync generator register - Imm */
+#define CTL_SGCMD 0x0004
+#define CTL_SGCMD_SGEN BIT(0)
+
+/* Register set end register - Imm */
+#define CTL_REGEND 0x0008
+#define CTL_REGEND_REGEND BIT(0)
+
+/* Channel activation register - Vupdt */
+#define CTL_CHACT 0x000C
+#define CTL_CHACT_SMW BIT(9)
+#define CTL_CHACT_WR BIT(8)
+#define CTL_CHACT_SMR BIT(3)
+#define CTL_CHACT_RD2 BIT(2)
+#define CTL_CHACT_RD1 BIT(1)
+#define CTL_CHACT_RD0 BIT(0)
+
+/* Operation Mode Register - Vupdt */
+#define CTL_OPMODE 0x0010
+#define CTL_OPMODE_PRG BIT(4)
+#define CTL_OPMODE_VIMD GENMASK(1, 0)
+#define CTL_OPMODE_INTERRUPT 0
+#define CTL_OPMODE_BEST_EFFORT 1
+#define CTL_OPMODE_NO_INTERRUPT 2
+
+#define CTL_VPERIOD 0x0014
+#define CTL_CLKCTRL 0x0018
+#define CTL_CLKCTRL_CSTP_N BIT(0)
+
+/* Software reset register */
+#define CTL_SRESET 0x001C
+#define CTL_SRESET_SRST BIT(0)
+
+/* Control status register (V-update-status) */
+#define CTL_STATUS 0x0024
+#define CTL_STATUS_VINT_CNT(x) ((x & 0xff) >> 16)
+#define CTL_STATUS_SGREGSET BIT(10)
+#define CTL_STATUS_SGVERR BIT(9)
+#define CTL_STATUS_SGFREND BIT(8)
+#define CTL_STATUS_BSY BIT(0)
+
+#define CTL_VCYCLE_STATUS 0x0028
+
+/* Interrupt enable register */
+#define CTL_IRQENB 0x0038
+/* Interrupt status register */
+#define CTL_IRQSTA 0x003C
+/* Interrupt control register */
+#define CTL_IRQFSET 0x0040
+
+/* Common IRQ Bit settings */
+#define CTL_IRQ_VERE BIT(16)
+#define CTL_IRQ_VINTE BIT(4)
+#define CTL_IRQ_FREE BIT(0)
+#define CTL_IRQ_MASK (CTL_IRQ_VERE | CTL_IRQ_VINTE | CTL_IRQ_FREE)
+
+/* RPF */
+#define RPF_SIZE 0x0060
+#define RPF_SIZE_MASK GENMASK(12, 0)
+#define RPF_SIZE_H_SHIFT 16
+#define RPF_SIZE_V_SHIFT 0
+
+#define RPF_FORMAT 0x0064
+#define RPF_FORMAT_RSPYCS BIT(13)
+#define RPF_FORMAT_RSPUVS BIT(12)
+#define RPF_FORMAT_CF BIT(8)
+
+#define RPF_PSTRIDE 0x0068
+#define RPF_PSTRIDE_Y_SHIFT 16
+#define RPF_PSTRIDE_C_SHIFT 0
+
+/* RPF0 Source Component Y Address register */
+#define RPF0_ADDR_Y 0x006C
+
+/* RPF1 Current Picture Registers */
+#define RPF1_ADDR_Y 0x0078
+#define RPF1_ADDR_C0 0x007C
+#define RPF1_ADDR_C1 0x0080
+
+/* RPF2 next picture register */
+#define RPF2_ADDR_Y 0x0084
+
+#define RPF_SMSK_ADDR 0x0090
+#define RPF_SWAP 0x0094
+
+/* WPF */
+#define WPF_FORMAT 0x00C0
+#define WPF_FORMAT_PDV_SHIFT 24
+#define WPF_FORMAT_FCNL BIT(20)
+#define WPF_FORMAT_WSPYCS BIT(15)
+#define WPF_FORMAT_WSPUVS BIT(14)
+#define WPF_FORMAT_WRTM_601_16 0
+#define WPF_FORMAT_WRTM_601_0 1
+#define WPF_FORMAT_WRTM_709_16 2
+#define WPF_FORMAT_WRTM_SHIFT 9
+#define WPF_FORMAT_CSC BIT(8)
+
+#define WPF_RND_CTL 0x00C4
+#define WPF_PSTRIDE 0x00C8
+#define WPF_PSTRIDE_Y_SHIFT 16
+#define WPF_PSTRIDE_C_SHIFT 0
+
+/* WPF Destination picture */
+#define WPF_ADDR_Y 0x00CC
+#define WPF_ADDR_C0 0x00D0
+#define WPF_ADDR_C1 0x00D4
+#define WPF_SWAP 0x00D8
+#define WPF_SWAP_SSWAP_SHIFT 4
+
+/* WPF/RPF Common */
+#define RWPF_SWAP_BYTE BIT(0)
+#define RWPF_SWAP_WORD BIT(1)
+#define RWPF_SWAP_LWRD BIT(2)
+#define RWPF_SWAP_LLWD BIT(3)
+
+/* IPC */
+#define IPC_MODE 0x0100
+#define IPC_MODE_DLI BIT(8)
+#define IPC_MODE_DIM GENMASK(2, 0)
+#define IPC_MODE_DIM_ADAPT2D3D 0
+#define IPC_MODE_DIM_FIXED2D 1
+#define IPC_MODE_DIM_FIXED3D 2
+#define IPC_MODE_DIM_PREVFIELD 3
+#define IPC_MODE_DIM_NEXTFIELD 4
+
+#define IPC_SMSK_THRESH 0x0104
+#define IPC_SMSK_THRESH_CONST 0x00010002
+
+#define IPC_COMB_DET 0x0108
+#define IPC_COMB_DET_CONST 0x00200040
+
+#define IPC_MOTDEC 0x010C
+#define IPC_MOTDEC_CONST 0x00008020
+
+/* DLI registers */
+#define IPC_DLI_BLEND 0x0120
+#define IPC_DLI_BLEND_CONST 0x0080FF02
+
+#define IPC_DLI_HGAIN 0x0124
+#define IPC_DLI_HGAIN_CONST 0x001000FF
+
+#define IPC_DLI_SPRS 0x0128
+#define IPC_DLI_SPRS_CONST 0x009004FF
+
+#define IPC_DLI_ANGLE 0x012C
+#define IPC_DLI_ANGLE_CONST 0x0004080C
+
+#define IPC_DLI_ISOPIX0 0x0130
+#define IPC_DLI_ISOPIX0_CONST 0xFF10FF10
+
+#define IPC_DLI_ISOPIX1 0x0134
+#define IPC_DLI_ISOPIX1_CONST 0x0000FF10
+
+/* Sensor registers */
+#define IPC_SENSOR_TH0 0x0140
+#define IPC_SENSOR_TH0_CONST 0x20208080
+
+#define IPC_SENSOR_CTL0 0x0170
+#define IPC_SENSOR_CTL0_CONST 0x00002201
+
+#define IPC_SENSOR_CTL1 0x0174
+#define IPC_SENSOR_CTL1_CONST 0
+
+#define IPC_SENSOR_CTL2 0x0178
+#define IPC_SENSOR_CTL2_X_SHIFT 16
+#define IPC_SENSOR_CTL2_Y_SHIFT 0
+
+#define IPC_SENSOR_CTL3 0x017C
+#define IPC_SENSOR_CTL3_0_SHIFT 16
+#define IPC_SENSOR_CTL3_1_SHIFT 0
+
+/* Line memory pixel number register */
+#define IPC_LMEM 0x01E0
+#define IPC_LMEM_LINEAR 1024
+#define IPC_LMEM_TILE 960
+
+/* Internal Data (HW Version) */
+#define IP_INTDATA 0x0800
+#define IP_H3 0x02010101
+#define IP_M3W 0x02010202
+
+/* LUTs */
+#define LUT_DIF_ADJ 0x1000
+#define LUT_SAD_ADJ 0x1400
+#define LUT_BLD_GAIN 0x1800
+#define LUT_DIF_GAIN 0x1C00
+#define LUT_MDET 0x2000
+
+/* DebugFS Regsets */
+#define FDP1_DBFS_REG(reg) { #reg, reg }
+
+static struct debugfs_reg32 fdp1_regset[] = {
+ FDP1_DBFS_REG(CTL_CMD),
+ FDP1_DBFS_REG(CTL_SGCMD),
+ FDP1_DBFS_REG(CTL_REGEND),
+ FDP1_DBFS_REG(CTL_CHACT),
+ FDP1_DBFS_REG(CTL_OPMODE),
+ FDP1_DBFS_REG(CTL_VPERIOD),
+ FDP1_DBFS_REG(CTL_CLKCTRL),
+ FDP1_DBFS_REG(CTL_SRESET),
+ FDP1_DBFS_REG(CTL_STATUS),
+ FDP1_DBFS_REG(CTL_VCYCLE_STATUS),
+ FDP1_DBFS_REG(CTL_IRQENB),
+ FDP1_DBFS_REG(CTL_IRQSTA),
+ FDP1_DBFS_REG(CTL_IRQFSET),
+ FDP1_DBFS_REG(RPF_SIZE),
+ FDP1_DBFS_REG(RPF_FORMAT),
+ FDP1_DBFS_REG(RPF_PSTRIDE),
+ FDP1_DBFS_REG(RPF0_ADDR_Y),
+ FDP1_DBFS_REG(RPF1_ADDR_Y),
+ FDP1_DBFS_REG(RPF1_ADDR_C0),
+ FDP1_DBFS_REG(RPF1_ADDR_C1),
+ FDP1_DBFS_REG(RPF2_ADDR_Y),
+ FDP1_DBFS_REG(RPF_SMSK_ADDR),
+ FDP1_DBFS_REG(RPF_SWAP),
+ FDP1_DBFS_REG(WPF_FORMAT),
+ FDP1_DBFS_REG(WPF_RND_CTL),
+ FDP1_DBFS_REG(WPF_PSTRIDE),
+ FDP1_DBFS_REG(WPF_ADDR_Y),
+ FDP1_DBFS_REG(WPF_ADDR_C0),
+ FDP1_DBFS_REG(WPF_ADDR_C1),
+ FDP1_DBFS_REG(WPF_SWAP),
+ FDP1_DBFS_REG(IPC_MODE),
+ FDP1_DBFS_REG(IPC_SMSK_THRESH),
+ FDP1_DBFS_REG(IPC_COMB_DET),
+ FDP1_DBFS_REG(IPC_MOTDEC),
+ FDP1_DBFS_REG(IPC_DLI_BLEND),
+ FDP1_DBFS_REG(IPC_DLI_HGAIN),
+ FDP1_DBFS_REG(IPC_DLI_SPRS),
+ FDP1_DBFS_REG(IPC_DLI_ANGLE),
+ FDP1_DBFS_REG(IPC_DLI_ISOPIX0),
+ FDP1_DBFS_REG(IPC_DLI_ISOPIX1),
+ FDP1_DBFS_REG(IPC_SENSOR_TH0),
+ FDP1_DBFS_REG(IPC_SENSOR_CTL0),
+ FDP1_DBFS_REG(IPC_SENSOR_CTL1),
+ FDP1_DBFS_REG(IPC_SENSOR_CTL2),
+ FDP1_DBFS_REG(IPC_SENSOR_CTL3),
+ FDP1_DBFS_REG(IPC_LMEM),
+ FDP1_DBFS_REG(IP_INTDATA),
+};
+
+#define NUM_FDP1_REGSETS ARRAY_SIZE(fdp1_regset)
+
+
+/**
+ * struct fdp1_fmt - The FDP1 internal format data
+ * @fourcc: the fourcc code, to match the V4L2 API
+ * @bpp: bits per pixel per plane
+ * @num_planes: number of planes
+ * @hsub: horizontal subsampling factor
+ * @vsub: vertical subsampling factor
+ * @fmt: 7-bit format code for the fdp1 hardware
+ * @swap_yc: the Y and C components are swapped (Y comes before C)
+ * @swap_uv: the U and V components are swapped (V comes before U)
+ * @swap: swap register control
+ * @types: types of queue this format is applicable to
+ */
+struct fdp1_fmt {
+ u32 fourcc;
+ u8 bpp[3];
+ u8 num_planes;
+ u8 hsub;
+ u8 vsub;
+ u8 fmt;
+ bool swap_yc;
+ bool swap_uv;
+ u8 swap;
+ u8 types;
+};
+
+static const struct fdp1_fmt formats[] = {
+ /* RGB formats are only supported by the Write Pixel Formatter */
+
+ { V4L2_PIX_FMT_RGB332, { 8, 0, 0}, 1, 1, 1, 0x00, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_XRGB444, { 16, 0, 0}, 1, 1, 1, 0x01, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_XRGB555, { 16, 0, 0}, 1, 1, 1, 0x04, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_RGB565, { 16, 0, 0}, 1, 1, 1, 0x06, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_ABGR32, { 32, 0, 0}, 1, 1, 1, 0x13, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_XBGR32, { 32, 0, 0}, 1, 1, 1, 0x13, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_ARGB32, { 32, 0, 0}, 1, 1, 1, 0x13, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_XRGB32, { 32, 0, 0}, 1, 1, 1, 0x13, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_RGB24, { 24, 0, 0}, 1, 1, 1, 0x15, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_BGR24, { 24, 0, 0}, 1, 1, 1, 0x18, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_ARGB444, { 16, 0, 0}, 1, 1, 1, 0x19, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD,
+ FDP1_CAPTURE },
+ { V4L2_PIX_FMT_ARGB555, { 16, 0, 0}, 1, 1, 1, 0x1b, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD,
+ FDP1_CAPTURE },
+
+ /* YUV Formats are supported by Read and Write Pixel Formatters */
+
+ { V4L2_PIX_FMT_NV16M, { 8, 16, 0}, 2, 2, 1, 0x41, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_NV61M, { 8, 16, 0}, 2, 2, 1, 0x41, false, true,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_NV12M, { 8, 16, 0}, 2, 2, 2, 0x42, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_NV21M, { 8, 16, 0}, 2, 2, 2, 0x42, false, true,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_UYVY, { 16, 0, 0}, 1, 2, 1, 0x47, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_VYUY, { 16, 0, 0}, 1, 2, 1, 0x47, false, true,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_YUYV, { 16, 0, 0}, 1, 2, 1, 0x47, true, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_YVYU, { 16, 0, 0}, 1, 2, 1, 0x47, true, true,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_YUV444M, { 8, 8, 8}, 3, 1, 1, 0x4a, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_YVU444M, { 8, 8, 8}, 3, 1, 1, 0x4a, false, true,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_YUV422M, { 8, 8, 8}, 3, 2, 1, 0x4b, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_YVU422M, { 8, 8, 8}, 3, 2, 1, 0x4b, false, true,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_YUV420M, { 8, 8, 8}, 3, 2, 2, 0x4c, false, false,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+ { V4L2_PIX_FMT_YVU420M, { 8, 8, 8}, 3, 2, 2, 0x4c, false, true,
+ RWPF_SWAP_LLWD | RWPF_SWAP_LWRD | RWPF_SWAP_WORD | RWPF_SWAP_BYTE,
+ FDP1_CAPTURE | FDP1_OUTPUT },
+};
+
+#define NUM_FORMATS ARRAY_SIZE(formats)
+
+static int fdp1_fmt_is_rgb(const struct fdp1_fmt *fmt)
+{
+ return (fmt->fmt <= 0x1B); /* Last RGB code */
+}
+
+/* FDP1 Lookup tables range from 0...255 only */
+unsigned char fdp1_diff_adj[256] = {
+ 0x00, 0x24, 0x43, 0x5E, 0x76, 0x8C, 0x9E, 0xAF,
+ 0xBD, 0xC9, 0xD4, 0xDD, 0xE4, 0xEA, 0xEF, 0xF3,
+ 0xF6, 0xF9, 0xFB, 0xFC, 0xFD, 0xFE, 0xFE, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+unsigned char fdp1_sad_adj[256] = {
+ 0x00, 0x24, 0x43, 0x5E, 0x76, 0x8C, 0x9E, 0xAF,
+ 0xBD, 0xC9, 0xD4, 0xDD, 0xE4, 0xEA, 0xEF, 0xF3,
+ 0xF6, 0xF9, 0xFB, 0xFC, 0xFD, 0xFE, 0xFE, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+unsigned char fdp1_bld_gain[256] = {
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80
+};
+
+unsigned char fdp1_dif_gain[256] = {
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80
+};
+
+unsigned char fdp1_mdet[256] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
+ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+ 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+ 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
+ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+ 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
+ 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
+ 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
+ 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+ 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
+ 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
+ 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
+ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+ 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
+ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+ 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F,
+ 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
+ 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF,
+ 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7,
+ 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF,
+ 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
+ 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
+ 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
+ 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
+ 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
+ 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
+ 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
+ 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
+};
+
+/* Per-queue, driver-specific private data */
+struct fdp1_q_data {
+ const struct fdp1_fmt *fmt;
+ struct v4l2_pix_format_mplane format;
+ unsigned int sequence;
+};
+
+enum {
+ V4L2_M2M_SRC = 0,
+ V4L2_M2M_DST = 1,
+};
+
+/* Custom controls */
+#define V4L2_CID_FPS (V4L2_CID_USER_BASE + 0x1000)
+#define V4L2_CID_BEST_EFFORT (V4L2_CID_USER_BASE + 0x1001)
+
+/* Flags that indicate processing mode */
+#define FDP1_BEST_EFFORT BIT(0)
+
+static const struct fdp1_fmt *fdp1_find_format(u32 pixelformat,
+ unsigned int fmt_type)
+{
+ const struct fdp1_fmt *fmt;
+ unsigned int k;
+
+ for (k = 0; k < NUM_FORMATS; k++) {
+ fmt = &formats[k];
+ if ((fmt->fourcc == pixelformat) && (fmt->types & fmt_type))
+ break;
+ }
+
+ if (k == NUM_FORMATS)
+ return NULL;
+
+ return &formats[k];
+}
+
+struct fdp1_dev {
+ struct v4l2_device v4l2_dev;
+ struct video_device vfd;
+
+ atomic_t num_inst;
+ struct mutex dev_mutex;
+ spinlock_t irqlock;
+
+ void __iomem *regs;
+ unsigned int irq;
+ struct device *dev;
+ void *alloc_ctx;
+
+ unsigned int clk_rate;
+
+ struct rcar_fcp_device *fcp;
+ struct v4l2_m2m_dev *m2m_dev;
+
+ struct dentry *dbgroot;
+ struct dentry *regset_dentry;
+ struct debugfs_regset32 regset;
+};
+
+struct fdp1_ctx {
+ struct v4l2_fh fh;
+ struct fdp1_dev *fdp1;
+
+ struct v4l2_ctrl_handler hdl;
+
+ /* Processed buffers in this transaction */
+ u8 num_processed;
+
+ /* Transaction length (i.e. how many buffers per transaction) */
+ u32 translen;
+
+ /* Abort requested by m2m */
+ int aborting;
+
+ /* Processing mode */
+ int mode;
+ enum v4l2_colorspace colorspace;
+
+ /* User can request a specific rate, to use interrupt
+ * driven processing, or set FPS==0 to request instant
+ * processing (no-interrupt) mode
+ */
+ int fps;
+
+ /* Capture pipeline, can specify an alpha value
+ * for supported formats. 0-255 only
+ */
+ unsigned char alpha;
+
+ /* Source and destination queue data */
+ struct fdp1_q_data out_q; /* HW Source */
+ struct fdp1_q_data cap_q; /* HW Destination */
+
+};
+
+static inline struct fdp1_ctx *fh_to_ctx(struct v4l2_fh *fh)
+{
+ return container_of(fh, struct fdp1_ctx, fh);
+}
+
+static struct fdp1_q_data *get_q_data(struct fdp1_ctx *ctx,
+ enum v4l2_buf_type type)
+{
+ /* We only support MPLANE types in this driver */
+ WARN_ON(!(V4L2_TYPE_IS_MULTIPLANAR(type)));
+
+ if (V4L2_TYPE_IS_OUTPUT(type))
+ return &ctx->out_q;
+ else
+ return &ctx->cap_q;
+}
+
+static u32 fdp1_read(struct fdp1_dev *fdp1, unsigned int reg)
+{
+ if (debug >= 2)
+ dprintk(fdp1, "Read from %p\n", fdp1->regs + reg);
+
+ return ioread32(fdp1->regs + reg);
+}
+
+static void fdp1_write(struct fdp1_dev *fdp1, u32 val, unsigned int reg)
+{
+ if (debug >= 2)
+ dprintk(fdp1, "Write to %p\n", fdp1->regs + reg);
+
+ iowrite32(val, fdp1->regs + reg);
+}
+
+
+void fdp1_print_regs32(struct fdp1_dev *fdp1)
+{
+ int i;
+ const struct debugfs_reg32 *regs = fdp1->regset.regs;
+
+ for (i = 0; i < fdp1->regset.nregs; i++, regs++)
+ dprintk(fdp1, "%s = 0x%08x\n", regs->name,
+ readl(fdp1->regset.base + regs->offset));
+}
+
+struct fdp1_plane_addrs {
+ dma_addr_t addr[3];
+};
+
+static struct fdp1_plane_addrs vb2_dc_to_pa(struct vb2_v4l2_buffer *buf,
+ unsigned int planes)
+{
+ struct fdp1_plane_addrs pa = { 0 };
+ struct vb2_buffer *vb2buf = &buf->vb2_buf;
+ int i;
+
+ for (i = 0; i < vb2buf->num_planes; ++i)
+ pa.addr[i] = vb2_dma_contig_plane_dma_addr(vb2buf, i);
+
+ return pa;
+}
+
+/* IPC registers are to be programmed with constant values */
+static void fdp1_set_ipc_dli(struct fdp1_ctx *ctx)
+{
+ struct fdp1_dev *fdp1 = ctx->fdp1;
+
+ fdp1_write(fdp1, IPC_SMSK_THRESH_CONST, IPC_SMSK_THRESH);
+ fdp1_write(fdp1, IPC_COMB_DET_CONST, IPC_COMB_DET);
+ fdp1_write(fdp1, IPC_MOTDEC_CONST, IPC_MOTDEC);
+
+ fdp1_write(fdp1, IPC_DLI_BLEND_CONST, IPC_DLI_BLEND);
+ fdp1_write(fdp1, IPC_DLI_HGAIN_CONST, IPC_DLI_HGAIN);
+ fdp1_write(fdp1, IPC_DLI_SPRS_CONST, IPC_DLI_SPRS);
+ fdp1_write(fdp1, IPC_DLI_ANGLE_CONST, IPC_DLI_ANGLE);
+ fdp1_write(fdp1, IPC_DLI_ISOPIX0_CONST, IPC_DLI_ISOPIX0);
+ fdp1_write(fdp1, IPC_DLI_ISOPIX1_CONST, IPC_DLI_ISOPIX1);
+}
+
+
+static void fdp1_set_ipc_sensor(struct fdp1_ctx *ctx)
+{
+ struct fdp1_dev *fdp1 = ctx->fdp1;
+ struct fdp1_q_data *src_q_data = &ctx->out_q;
+ unsigned int xe, ye;
+ unsigned int x0, x1;
+ unsigned int hsize = src_q_data->format.width;
+ unsigned int vsize = src_q_data->format.height;
+
+ fdp1_write(fdp1, IPC_SENSOR_TH0_CONST, IPC_SENSOR_TH0);
+ fdp1_write(fdp1, IPC_SENSOR_CTL0_CONST, IPC_SENSOR_CTL0);
+ fdp1_write(fdp1, IPC_SENSOR_CTL1_CONST, IPC_SENSOR_CTL1);
+
+ if (src_q_data->format.field != V4L2_FIELD_NONE)
+ ye = (vsize * 2) - 1;
+ else
+ ye = vsize - 1;
+
+ xe = src_q_data->format.width - 1;
+ fdp1_write(fdp1, (xe << IPC_SENSOR_CTL2_X_SHIFT) |
+ (ye << IPC_SENSOR_CTL2_Y_SHIFT), IPC_SENSOR_CTL2);
+
+ x0 = hsize / 3;
+ x1 = 2 * hsize / 3;
+
+ fdp1_write(fdp1, (x0 << IPC_SENSOR_CTL3_0_SHIFT) |
+ (x1 << IPC_SENSOR_CTL3_1_SHIFT), IPC_SENSOR_CTL3);
+}
+
+
+static void fdp1_write_lut(struct fdp1_dev *fdp1,
+ unsigned char *lut,
+ unsigned int base)
+{
+ int i;
+
+ for (i = 0; i < 256; i++)
+ fdp1_write(fdp1, lut[i], base + (i*4));
+}
+
+static void fdp1_set_lut(struct fdp1_dev *fdp1)
+{
+ fdp1_write_lut(fdp1, fdp1_diff_adj, LUT_DIF_ADJ);
+ fdp1_write_lut(fdp1, fdp1_sad_adj, LUT_SAD_ADJ);
+ fdp1_write_lut(fdp1, fdp1_bld_gain, LUT_BLD_GAIN);
+ fdp1_write_lut(fdp1, fdp1_dif_gain, LUT_DIF_GAIN);
+ fdp1_write_lut(fdp1, fdp1_mdet, LUT_MDET);
+}
+
+static void fdp1_configure_rpf(struct fdp1_ctx *ctx,
+ struct fdp1_q_data *q_data,
+ struct vb2_v4l2_buffer *src_buf)
+{
+ struct fdp1_dev *fdp1 = ctx->fdp1;
+
+ unsigned int picture_size;
+ unsigned int pstride;
+ unsigned int format;
+
+ struct fdp1_plane_addrs rpf_addr;
+
+ rpf_addr = vb2_dc_to_pa(src_buf, q_data->fmt->num_planes);
+
+ /* Picture size is common to Source AND Destination frames */
+ picture_size = ((q_data->format.width & RPF_SIZE_MASK)
+ << RPF_SIZE_H_SHIFT);
+ picture_size |= ((q_data->format.height & RPF_SIZE_MASK)
+ << RPF_SIZE_V_SHIFT);
+
+ /* Strides */
+ pstride = q_data->format.plane_fmt[0].bytesperline
+ << RPF_PSTRIDE_Y_SHIFT;
+
+ if (q_data->format.num_planes > 1)
+ pstride |= q_data->format.plane_fmt[1].bytesperline
+ << RPF_PSTRIDE_C_SHIFT;
+
+ /* Format control */
+ format = q_data->fmt->fmt;
+ if (q_data->fmt->swap_yc)
+ format |= RPF_FORMAT_RSPYCS;
+
+ if (q_data->fmt->swap_uv)
+ format |= RPF_FORMAT_RSPUVS;
+
+ /*
+ * TODO: Device Process needs to be run multiple times per buffer
+ * when fields are in one buffer, and this will need to alternate!
+ */
+ if (V4L2_FIELD_HAS_BOTTOM(src_buf->field))
+ format |= RPF_FORMAT_CF; /* Set for Bottom field */
+
+ fdp1_write(fdp1, format, RPF_FORMAT);
+ fdp1_write(fdp1, q_data->fmt->swap, RPF_SWAP);
+ fdp1_write(fdp1, picture_size, RPF_SIZE);
+ fdp1_write(fdp1, pstride, RPF_PSTRIDE);
+
+ fdp1_write(fdp1, rpf_addr.addr[0], RPF1_ADDR_Y);
+ fdp1_write(fdp1, rpf_addr.addr[1], RPF1_ADDR_C0);
+ fdp1_write(fdp1, rpf_addr.addr[2], RPF1_ADDR_C1);
+}
+
+static void fdp1_configure_wpf(struct fdp1_ctx *ctx,
+ struct fdp1_q_data *q_data,
+ struct vb2_v4l2_buffer *dst_buf)
+{
+ struct fdp1_dev *fdp1 = ctx->fdp1;
+ /* I didn't want to have to reference the queue's directly,
+ * but WPF uses the SRC queue for SWAP, and WRTM
+ */
+ struct fdp1_q_data *src_q_data = &ctx->out_q;
+
+ unsigned int pstride;
+ unsigned int format;
+ unsigned int swap;
+
+ struct fdp1_plane_addrs wpf_addr;
+
+ wpf_addr = vb2_dc_to_pa(dst_buf, q_data->fmt->num_planes);
+
+ pstride = q_data->format.plane_fmt[0].bytesperline
+ << WPF_PSTRIDE_Y_SHIFT;
+
+ if (q_data->format.num_planes > 1)
+ pstride |= q_data->format.plane_fmt[1].bytesperline
+ << WPF_PSTRIDE_C_SHIFT;
+
+ format = q_data->fmt->fmt; /* Output Format Code */
+
+ if (q_data->fmt->swap_yc)
+ format |= WPF_FORMAT_WSPYCS;
+
+ if (q_data->fmt->swap_uv)
+ format |= WPF_FORMAT_WSPUVS;
+
+ if (fdp1_fmt_is_rgb(q_data->fmt)) {
+ unsigned int wrtm;
+ /* Enable Colour Space conversion */
+ format |= WPF_FORMAT_CSC;
+
+ /* Set WRTM */
+ if (src_q_data->format.ycbcr_enc == V4L2_COLORSPACE_REC709)
+ wrtm = WPF_FORMAT_WRTM_709_16;
+ else if (src_q_data->format.quantization ==
+ V4L2_QUANTIZATION_FULL_RANGE)
+ wrtm = WPF_FORMAT_WRTM_601_0;
+ else
+ wrtm = WPF_FORMAT_WRTM_601_16;
+
+ format |= (wrtm << WPF_FORMAT_WRTM_SHIFT);
+ }
+
+ /* Set an alpha value into the Pad Value */
+ format |= ctx->alpha << WPF_FORMAT_PDV_SHIFT;
+
+ /* WPF Swap needs both ISWAP and OSWAP setting */
+ swap = q_data->fmt->swap;
+ swap |= src_q_data->fmt->swap << WPF_SWAP_SSWAP_SHIFT;
+
+ fdp1_write(fdp1, format, WPF_FORMAT);
+ fdp1_write(fdp1, swap, WPF_SWAP);
+ fdp1_write(fdp1, pstride, WPF_PSTRIDE);
+
+ fdp1_write(fdp1, wpf_addr.addr[0], WPF_ADDR_Y);
+ fdp1_write(fdp1, wpf_addr.addr[1], WPF_ADDR_C0);
+ fdp1_write(fdp1, wpf_addr.addr[2], WPF_ADDR_C1);
+}
+
+static int device_process(struct fdp1_ctx *ctx,
+ struct vb2_v4l2_buffer *src_buf,
+ struct vb2_v4l2_buffer *dst_buf)
+{
+ struct fdp1_dev *fdp1 = ctx->fdp1;
+ struct fdp1_q_data *src_q_data = &ctx->out_q;
+ struct fdp1_q_data *dst_q_data = &ctx->cap_q;
+
+ unsigned int opmode, ipcmode;
+ unsigned int channels;
+
+ src_buf->sequence = src_q_data->sequence++;
+ dst_buf->sequence = dst_q_data->sequence++;
+
+ dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
+
+ if (src_buf->flags & V4L2_BUF_FLAG_TIMECODE)
+ dst_buf->timecode = src_buf->timecode;
+ dst_buf->field = src_buf->field;
+ dst_buf->flags = src_buf->flags &
+ (V4L2_BUF_FLAG_TIMECODE |
+ V4L2_BUF_FLAG_KEYFRAME |
+ V4L2_BUF_FLAG_PFRAME |
+ V4L2_BUF_FLAG_BFRAME |
+ V4L2_BUF_FLAG_TSTAMP_SRC_MASK);
+
+ dprintk(fdp1, "\n\n");
+
+ /* First Frame only? ... */
+ fdp1_write(fdp1, CTL_CLKCTRL_CSTP_N, CTL_CLKCTRL);
+
+ /* Set the mode, and configuration */
+ channels = (CTL_CHACT_WR | CTL_CHACT_RD1); /* Always on */
+ ipcmode = IPC_MODE_DLI | IPC_MODE_DIM_FIXED2D;
+
+ /* Determine Mode, and Rate if requested */
+ if (ctx->fps) {
+ unsigned int period = fdp1->clk_rate / ctx->fps;
+
+ fdp1_write(fdp1, period, CTL_VPERIOD);
+ opmode = CTL_OPMODE_INTERRUPT;
+ } else
+ opmode = CTL_OPMODE_NO_INTERRUPT;
+
+ if (src_q_data->format.field == V4L2_FIELD_NONE)
+ opmode |= CTL_OPMODE_PRG;
+ else {
+ /* De-interlacing */
+ channels |= (CTL_CHACT_WR | CTL_CHACT_RD1);
+ /* ... A Work In Progress for the next version ... */
+ WARN_ON(1);
+ }
+
+ fdp1_write(fdp1, channels, CTL_CHACT);
+ fdp1_write(fdp1, opmode, CTL_OPMODE);
+ fdp1_write(fdp1, ipcmode, IPC_MODE);
+
+ /* DLI Static Configuration */
+ fdp1_set_ipc_dli(ctx);
+
+ /* Sensor Configuration */
+ fdp1_set_ipc_sensor(ctx);
+
+ /* Setup the source picture */
+ fdp1_configure_rpf(ctx, src_q_data, src_buf);
+
+ /* Setup the destination picture */
+ fdp1_configure_wpf(ctx, dst_q_data, dst_buf);
+
+ /* Line Memory Pixel Number Register for linear access */
+ fdp1_write(fdp1, IPC_LMEM_LINEAR, IPC_LMEM);
+
+ /* Enable Interrupts */
+ fdp1_write(fdp1, CTL_IRQ_MASK, CTL_IRQENB);
+
+ /* Finally, the Immediate Registers */
+
+ /* Start the command */
+ fdp1_write(fdp1, CTL_CMD_STRCMD, CTL_CMD);
+
+ /* Registers will update to HW at next VINT */
+ fdp1_write(fdp1, CTL_REGEND_REGEND, CTL_REGEND);
+
+ /* Enable VINT Generator */
+ fdp1_write(fdp1, CTL_SGCMD_SGEN, CTL_SGCMD);
+
+ return 0;
+}
+
+/*
+ * mem2mem callbacks
+ */
+
+/**
+ * job_ready() - check whether an instance is ready to be scheduled to run
+ */
+static int job_ready(void *priv)
+{
+ struct fdp1_ctx *ctx = priv;
+
+ if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) < ctx->translen
+ || v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx) < ctx->translen) {
+ dprintk(ctx->fdp1, "Not enough buffers available\n");
+ return 0;
+ }
+
+ return 1;
+}
+
+static void job_abort(void *priv)
+{
+ struct fdp1_ctx *ctx = priv;
+
+ /* Will cancel the transaction in the next interrupt handler */
+ ctx->aborting = 1;
+
+ /* Immediate abort sequence */
+ fdp1_write(ctx->fdp1, 0, CTL_SGCMD);
+ fdp1_write(ctx->fdp1, CTL_SRESET_SRST, CTL_SRESET);
+}
+
+/* device_run() - prepares and starts the device
+ *
+ * This simulates all the immediate preparations required before starting
+ * a device. This will be called by the framework when it decides to schedule
+ * a particular instance.
+ */
+static void device_run(void *priv)
+{
+ struct fdp1_ctx *ctx = priv;
+ struct vb2_v4l2_buffer *src_buf, *dst_buf;
+
+ src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+ dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
+
+ device_process(ctx, src_buf, dst_buf);
+}
+
+static void device_isr(struct fdp1_dev *fdp1, enum vb2_buffer_state state)
+{
+ struct fdp1_ctx *curr_ctx;
+ struct vb2_v4l2_buffer *src_vb, *dst_vb;
+ unsigned long flags;
+
+ curr_ctx = v4l2_m2m_get_curr_priv(fdp1->m2m_dev);
+
+ if (curr_ctx == NULL) {
+ pr_err("Instance released before the end of transaction\n");
+ return;
+ }
+
+ src_vb = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx);
+ dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx);
+
+ curr_ctx->num_processed++;
+
+ spin_lock_irqsave(&fdp1->irqlock, flags);
+ v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE);
+ v4l2_m2m_buf_done(dst_vb, state);
+ spin_unlock_irqrestore(&fdp1->irqlock, flags);
+
+ if (curr_ctx->num_processed == curr_ctx->translen
+ || curr_ctx->aborting) {
+ dprintk(curr_ctx->fdp1, "Finishing transaction\n");
+ curr_ctx->num_processed = 0;
+ v4l2_m2m_job_finish(fdp1->m2m_dev, curr_ctx->fh.m2m_ctx);
+ } else {
+ device_run(curr_ctx);
+ }
+}
+
+
+/*
+ * video ioctls
+ */
+static int vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ strncpy(cap->driver, DRIVER_NAME, sizeof(cap->driver) - 1);
+ strncpy(cap->card, DRIVER_NAME, sizeof(cap->card) - 1);
+ snprintf(cap->bus_info, sizeof(cap->bus_info),
+ "platform:%s", DRIVER_NAME);
+ cap->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
+ cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+ return 0;
+}
+
+static int enum_fmt(struct v4l2_fmtdesc *f, u32 type)
+{
+ int i, num;
+
+ num = 0;
+
+ for (i = 0; i < NUM_FORMATS; ++i) {
+ if (formats[i].types & type) {
+ if (num == f->index)
+ break;
+ ++num;
+ }
+ }
+
+ /* Format not found */
+ if (i >= NUM_FORMATS)
+ return -EINVAL;
+
+ /* Format found */
+ f->pixelformat = formats[i].fourcc;
+
+ return 0;
+}
+
+static int fdp1_enum_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ return enum_fmt(f, FDP1_CAPTURE);
+}
+
+static int fdp1_enum_fmt_vid_out(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ return enum_fmt(f, FDP1_OUTPUT);
+}
+
+static int fdp1_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
+{
+ struct fdp1_q_data *q_data;
+ struct fdp1_ctx *ctx = fh_to_ctx(priv);
+
+ if (!v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type))
+ return -EINVAL;
+
+ q_data = get_q_data(ctx, f->type);
+ f->fmt.pix_mp = q_data->format;
+
+ return 0;
+}
+
+static int __fdp1_try_fmt(struct fdp1_ctx *ctx, const struct fdp1_fmt **fmtinfo,
+ struct v4l2_pix_format_mplane *pix,
+ enum v4l2_buf_type type)
+{
+ const struct fdp1_fmt *fmt;
+ unsigned int width = pix->width;
+ unsigned int height = pix->height;
+ unsigned int fmt_type;
+ unsigned int i;
+
+ static const u32 xrgb_formats[][2] = {
+ { V4L2_PIX_FMT_RGB444, V4L2_PIX_FMT_XRGB444 },
+ { V4L2_PIX_FMT_RGB555, V4L2_PIX_FMT_XRGB555 },
+ { V4L2_PIX_FMT_BGR32, V4L2_PIX_FMT_XBGR32 },
+ { V4L2_PIX_FMT_RGB32, V4L2_PIX_FMT_XRGB32 },
+ };
+
+ /* Backward compatibility: replace deprecated RGB formats by their XRGB
+ * equivalent. This selects the format older userspace applications want
+ * while still exposing the new format.
+ */
+ for (i = 0; i < ARRAY_SIZE(xrgb_formats); ++i) {
+ if (xrgb_formats[i][0] == pix->pixelformat) {
+ pix->pixelformat = xrgb_formats[i][1];
+ break;
+ }
+ }
+
+ fmt_type = V4L2_TYPE_IS_OUTPUT(type) ? FDP1_OUTPUT : FDP1_CAPTURE;
+
+ fmt = fdp1_find_format(pix->pixelformat, fmt_type);
+ if (!fmt) {
+ /* Return the zero'th element for this type */
+ struct v4l2_fmtdesc f;
+
+ f.index = 0;
+ if (enum_fmt(&f, fmt_type))
+ return -EINVAL;
+
+ fmt = fdp1_find_format(f.pixelformat, fmt_type);
+ dev_dbg(ctx->fdp1->dev, "unknown format; set default format\n");
+ }
+
+ pix->pixelformat = fmt->fourcc;
+
+
+ /* Manage colorspace on the two queues */
+ if (V4L2_TYPE_IS_OUTPUT(type)) {
+
+ if (pix->ycbcr_enc == V4L2_YCBCR_ENC_DEFAULT)
+ pix->ycbcr_enc =
+ V4L2_MAP_YCBCR_ENC_DEFAULT(pix->colorspace);
+
+ if (pix->quantization == V4L2_QUANTIZATION_DEFAULT)
+ pix->quantization =
+ V4L2_MAP_QUANTIZATION_DEFAULT(false,
+ pix->colorspace,
+ pix->ycbcr_enc);
+ } else {
+ /* Manage the CAPTURE Queue */
+ struct fdp1_q_data *src_data = &ctx->out_q;
+
+ if (fdp1_fmt_is_rgb(fmt)) {
+ pix->colorspace = V4L2_COLORSPACE_SRGB;
+ } else {
+ /* Copy input queue colorspace across */
+ pix->colorspace = src_data->format.colorspace;
+ pix->ycbcr_enc = src_data->format.ycbcr_enc;
+ pix->quantization = src_data->format.quantization;
+ }
+ }
+
+ /* We should be allowing FIELDS through on the Output queue !*/
+ if (V4L2_TYPE_IS_OUTPUT(type)) {
+ /* Clamp to allowable field types */
+ if (pix->field == V4L2_FIELD_ANY ||
+ pix->field == V4L2_FIELD_NONE)
+ pix->field = V4L2_FIELD_NONE;
+ else if (!V4L2_FIELD_HAS_BOTH(pix->field))
+ pix->field = V4L2_FIELD_INTERLACED;
+
+ dprintk(ctx->fdp1, "Output Field Type set as %d\n", pix->field);
+ } else
+ pix->field = V4L2_FIELD_NONE;
+
+ pix->num_planes = fmt->num_planes;
+ memset(pix->reserved, 0, sizeof(pix->reserved));
+
+ /* Align the width and height for YUV 4:2:2 and 4:2:0 formats. */
+ width = round_down(width, fmt->hsub);
+ height = round_down(height, fmt->vsub);
+
+ /* Clamp the width and height */
+ pix->width = clamp(width, MIN_W, MAX_W);
+ pix->height = clamp(height, MIN_H, MAX_H);
+
+
+ /* Compute and clamp the stride and image size. While not documented in
+ * the datasheet, strides not aligned to a multiple of 128 bytes result
+ * in image corruption.
+ */
+ for (i = 0; i < min_t(unsigned int, fmt->num_planes, 2U); ++i) {
+ unsigned int hsub = i > 0 ? fmt->hsub : 1;
+ unsigned int vsub = i > 0 ? fmt->vsub : 1;
+ /* From VSP : TODO: Confirm alignment limits for FDP1 */
+ unsigned int align = 128;
+ unsigned int bpl;
+
+ bpl = clamp_t(unsigned int, pix->plane_fmt[i].bytesperline,
+ pix->width / hsub * fmt->bpp[i] / 8,
+ round_down(65535U, align));
+
+ pix->plane_fmt[i].bytesperline = round_up(bpl, align);
+ pix->plane_fmt[i].sizeimage = pix->plane_fmt[i].bytesperline
+ * pix->height / vsub;
+
+ memset(pix->plane_fmt[i].reserved, 0,
+ sizeof(pix->plane_fmt[i].reserved));
+ }
+
+ if (fmt->num_planes == 3) {
+ /* The second and third planes must have the same stride. */
+ pix->plane_fmt[2].bytesperline = pix->plane_fmt[1].bytesperline;
+ pix->plane_fmt[2].sizeimage = pix->plane_fmt[1].sizeimage;
+
+ memset(pix->plane_fmt[2].reserved, 0,
+ sizeof(pix->plane_fmt[2].reserved));
+ }
+
+ pix->num_planes = fmt->num_planes;
+
+ if (fmtinfo)
+ *fmtinfo = fmt;
+
+ return 0;
+}
+
+static int fdp1_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
+{
+ struct fdp1_ctx *ctx = fh_to_ctx(priv);
+
+ if (!v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type))
+ return -EINVAL;
+
+ return __fdp1_try_fmt(ctx, NULL, &f->fmt.pix_mp, f->type);
+}
+
+static int fdp1_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
+{
+ struct vb2_queue *vq;
+ struct fdp1_ctx *ctx = fh_to_ctx(priv);
+ struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
+ struct fdp1_q_data *q_data;
+ const struct fdp1_fmt *fmtinfo;
+ int ret;
+
+ vq = v4l2_m2m_get_vq(m2m_ctx, f->type);
+ if (!vq)
+ return -EINVAL;
+
+ if (vb2_is_busy(vq)) {
+ v4l2_err(&ctx->fdp1->v4l2_dev, "%s queue busy\n", __func__);
+ return -EBUSY;
+ }
+
+ ret = __fdp1_try_fmt(ctx, &fmtinfo, &f->fmt.pix_mp, f->type);
+ if (ret < 0)
+ return ret;
+
+ q_data = get_q_data(ctx, f->type);
+ q_data->format = f->fmt.pix_mp;
+ q_data->fmt = fmtinfo;
+
+ dprintk(ctx->fdp1,
+ "Setting format for type %d, wxh: %dx%d, fmt: %4s (%d)\n",
+ f->type, q_data->format.width, q_data->format.height,
+ (char *)&q_data->fmt->fourcc, q_data->fmt->fourcc);
+
+ return 0;
+}
+
+static int fdp1_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct fdp1_ctx *ctx =
+ container_of(ctrl->handler, struct fdp1_ctx, hdl);
+
+ switch (ctrl->id) {
+ case V4L2_CID_FPS:
+ ctx->fps = ctrl->val;
+ break;
+
+ case V4L2_CID_BEST_EFFORT:
+ if (ctrl->val)
+ ctx->mode |= FDP1_BEST_EFFORT;
+ else
+ ctx->mode &= ~FDP1_BEST_EFFORT;
+ break; break;
+
+ case V4L2_CID_ALPHA_COMPONENT:
+ ctx->alpha = ctrl->val;
+ break;
+
+ default:
+ v4l2_err(&ctx->fdp1->v4l2_dev, "Invalid control\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops fdp1_ctrl_ops = {
+ .s_ctrl = fdp1_s_ctrl,
+};
+
+
+static const struct v4l2_ioctl_ops fdp1_ioctl_ops = {
+ .vidioc_querycap = vidioc_querycap,
+
+ .vidioc_enum_fmt_vid_cap_mplane = fdp1_enum_fmt_vid_cap,
+ .vidioc_enum_fmt_vid_out_mplane = fdp1_enum_fmt_vid_out,
+ .vidioc_g_fmt_vid_cap_mplane = fdp1_g_fmt,
+ .vidioc_g_fmt_vid_out_mplane = fdp1_g_fmt,
+ .vidioc_try_fmt_vid_cap_mplane = fdp1_try_fmt,
+ .vidioc_try_fmt_vid_out_mplane = fdp1_try_fmt,
+ .vidioc_s_fmt_vid_cap_mplane = fdp1_s_fmt,
+ .vidioc_s_fmt_vid_out_mplane = fdp1_s_fmt,
+
+ .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+ .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
+ .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
+ .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
+ .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+ .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
+ .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
+
+ .vidioc_streamon = v4l2_m2m_ioctl_streamon,
+ .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
+
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+
+/*
+ * Queue operations
+ */
+
+static int fdp1_queue_setup(struct vb2_queue *vq,
+ unsigned int *nbuffers, unsigned int *nplanes,
+ unsigned int sizes[], void *alloc_ctxs[])
+{
+ struct fdp1_ctx *ctx = vb2_get_drv_priv(vq);
+ struct fdp1_q_data *q_data;
+ unsigned int i;
+
+ q_data = get_q_data(ctx, vq->type);
+
+ if (*nplanes) {
+ if (*nplanes != q_data->format.num_planes)
+ return -EINVAL;
+
+ for (i = 0; i < *nplanes; i++) {
+ unsigned int q_size;
+
+ q_size = q_data->format.plane_fmt[i].sizeimage;
+
+ if (sizes[i] < q_size)
+ return -EINVAL;
+
+ alloc_ctxs[i] = ctx->fdp1->alloc_ctx;
+ }
+
+ return 0;
+ }
+
+ *nplanes = q_data->format.num_planes;
+
+ for (i = 0; i < *nplanes; i++) {
+ sizes[i] = q_data->format.plane_fmt[i].sizeimage;
+ alloc_ctxs[i] = ctx->fdp1->alloc_ctx;
+ }
+
+ return 0;
+}
+
+static int fdp1_buf_prepare(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct fdp1_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+ struct fdp1_q_data *q_data;
+ unsigned int i;
+
+ q_data = get_q_data(ctx, vb->vb2_queue->type);
+
+ /* Default to Progressive if ANY selected */
+ if (vbuf->field == V4L2_FIELD_ANY)
+ vbuf->field = V4L2_FIELD_NONE;
+
+ /* We only support progressive CAPTURE */
+ if (!V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
+ if (vbuf->field != V4L2_FIELD_NONE) {
+ dev_err(ctx->fdp1->dev,
+ "%s field isn't supported on capture\n",
+ __func__);
+ return -EINVAL;
+ }
+ }
+
+ for (i = 0; i < q_data->format.num_planes; i++) {
+ unsigned long size = q_data->format.plane_fmt[i].sizeimage;
+
+ if (vb2_plane_size(vb, i) < size) {
+ dev_err(ctx->fdp1->dev,
+ "%s: data will not fit into plane [%d/%d] (%lu < %lu)\n",
+ __func__,
+ i, q_data->format.num_planes,
+ vb2_plane_size(vb, i), size);
+ return -EINVAL;
+ }
+
+ /* We have known size formats all around */
+ vb2_set_plane_payload(vb, i, size);
+ }
+
+ return 0;
+}
+
+static void fdp1_buf_queue(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct fdp1_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+
+ v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
+}
+
+static int fdp1_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+ struct fdp1_ctx *ctx = vb2_get_drv_priv(q);
+ struct fdp1_q_data *q_data = get_q_data(ctx, q->type);
+
+ q_data->sequence = 0;
+ return 0;
+}
+
+static void fdp1_stop_streaming(struct vb2_queue *q)
+{
+ struct fdp1_ctx *ctx = vb2_get_drv_priv(q);
+ struct vb2_v4l2_buffer *vbuf;
+ unsigned long flags;
+
+ for (;;) {
+ if (V4L2_TYPE_IS_OUTPUT(q->type))
+ vbuf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+ else
+ vbuf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
+ if (vbuf == NULL)
+ return;
+ spin_lock_irqsave(&ctx->fdp1->irqlock, flags);
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
+ spin_unlock_irqrestore(&ctx->fdp1->irqlock, flags);
+ }
+}
+
+static struct vb2_ops fdp1_qops = {
+ .queue_setup = fdp1_queue_setup,
+ .buf_prepare = fdp1_buf_prepare,
+ .buf_queue = fdp1_buf_queue,
+ .start_streaming = fdp1_start_streaming,
+ .stop_streaming = fdp1_stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+};
+
+static int queue_init(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq)
+{
+ struct fdp1_ctx *ctx = priv;
+ int ret;
+
+ src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+ src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+ src_vq->drv_priv = ctx;
+ src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+ src_vq->ops = &fdp1_qops;
+ src_vq->mem_ops = &vb2_dma_contig_memops;
+ src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ src_vq->lock = &ctx->fdp1->dev_mutex;
+
+ ret = vb2_queue_init(src_vq);
+ if (ret)
+ return ret;
+
+ dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+ dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+ dst_vq->drv_priv = ctx;
+ dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+ dst_vq->ops = &fdp1_qops;
+ dst_vq->mem_ops = &vb2_dma_contig_memops;
+ dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ dst_vq->lock = &ctx->fdp1->dev_mutex;
+
+ return vb2_queue_init(dst_vq);
+}
+
+/* This should move to a proper frame-interval setting */
+static const struct v4l2_ctrl_config fdp1_ctrl_fps = {
+ .ops = &fdp1_ctrl_ops,
+ .id = V4L2_CID_FPS,
+ .name = "Frames per second (0==free-run)",
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .def = 0,
+ .min = 0,
+ .max = 240,
+ .step = 1,
+};
+
+/* If a value is set for FPS, putting us into Interrupt Driven mode,
+ * we can choose what to do if a frame process exceeds the time available
+ * to meet the desired FPS. We can either error and abort the frame, or
+ * wait for the frame to finish anyway. This later option is 'best effort
+ * mode'
+ */
+static const struct v4l2_ctrl_config fdp1_ctrl_best_effort = {
+ .ops = &fdp1_ctrl_ops,
+ .id = V4L2_CID_BEST_EFFORT,
+ .name = "Best Effort Interrupt Mode",
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .def = 0,
+ .min = 0,
+ .max = 1,
+ .step = 1,
+};
+
+static void fdp1_get(struct fdp1_dev *fdp1)
+{
+ /*
+ * It should be reasonable to have runtime hooks to call the fcp_enable
+ * using the runtime_pm framework whenever it is needed,
+ * however when I add in SET_RUNTIME_PM_OPS() and a .pm structure
+ * the FDP1 no longer gets it's clock enabled.
+ */
+ rcar_fcp_enable(fdp1->fcp);
+ pm_runtime_get_sync(fdp1->dev);
+}
+
+static void fdp1_put(struct fdp1_dev *fdp1)
+{
+ pm_runtime_put(fdp1->dev);
+ rcar_fcp_disable(fdp1->fcp);
+}
+
+/*
+ * File operations
+ */
+static int fdp1_open(struct file *file)
+{
+ struct fdp1_dev *fdp1 = video_drvdata(file);
+ struct fdp1_ctx *ctx = NULL;
+ int rc = 0;
+
+ if (mutex_lock_interruptible(&fdp1->dev_mutex))
+ return -ERESTARTSYS;
+
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (!ctx) {
+ rc = -ENOMEM;
+ goto open_unlock;
+ }
+
+ v4l2_fh_init(&ctx->fh, video_devdata(file));
+ file->private_data = &ctx->fh;
+ ctx->fdp1 = fdp1;
+
+ /* Initialise controls */
+
+ ctx->fps = 0;
+ ctx->translen = 1;
+
+ v4l2_ctrl_handler_init(&ctx->hdl, 3);
+ v4l2_ctrl_new_custom(&ctx->hdl, &fdp1_ctrl_fps, NULL);
+ v4l2_ctrl_new_custom(&ctx->hdl, &fdp1_ctrl_best_effort, NULL);
+ v4l2_ctrl_new_std(&ctx->hdl, &fdp1_ctrl_ops,
+ V4L2_CID_ALPHA_COMPONENT, 0, 255, 1, 255);
+
+ if (ctx->hdl.error) {
+ rc = ctx->hdl.error;
+ v4l2_ctrl_handler_free(&ctx->hdl);
+ goto open_unlock;
+ }
+
+ ctx->fh.ctrl_handler = &ctx->hdl;
+ v4l2_ctrl_handler_setup(&ctx->hdl);
+
+ /* Configure default parameters. */
+ __fdp1_try_fmt(ctx, &ctx->out_q.fmt, &ctx->out_q.format,
+ V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+ __fdp1_try_fmt(ctx, &ctx->cap_q.fmt, &ctx->cap_q.format,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+
+ ctx->colorspace = V4L2_COLORSPACE_REC709;
+
+ ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(fdp1->m2m_dev, ctx, &queue_init);
+
+ if (IS_ERR(ctx->fh.m2m_ctx)) {
+ rc = PTR_ERR(ctx->fh.m2m_ctx);
+
+ v4l2_ctrl_handler_free(&ctx->hdl);
+ kfree(ctx);
+ goto open_unlock;
+ }
+
+ /* Perform any power management required */
+ fdp1_get(fdp1);
+
+ v4l2_fh_add(&ctx->fh);
+ atomic_inc(&fdp1->num_inst);
+
+ dprintk(fdp1, "Created instance: %p, m2m_ctx: %p\n",
+ ctx, ctx->fh.m2m_ctx);
+
+open_unlock:
+ mutex_unlock(&fdp1->dev_mutex);
+ return rc;
+}
+
+static int fdp1_release(struct file *file)
+{
+ struct fdp1_dev *fdp1 = video_drvdata(file);
+ struct fdp1_ctx *ctx = fh_to_ctx(file->private_data);
+
+ dprintk(fdp1, "Releasing instance %p\n", ctx);
+
+ v4l2_fh_del(&ctx->fh);
+ v4l2_fh_exit(&ctx->fh);
+ v4l2_ctrl_handler_free(&ctx->hdl);
+ mutex_lock(&fdp1->dev_mutex);
+ v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
+ mutex_unlock(&fdp1->dev_mutex);
+ kfree(ctx);
+
+ atomic_dec(&fdp1->num_inst);
+
+ fdp1_put(fdp1);
+
+ return 0;
+}
+
+static const struct v4l2_file_operations fdp1_fops = {
+ .owner = THIS_MODULE,
+ .open = fdp1_open,
+ .release = fdp1_release,
+ .poll = v4l2_m2m_fop_poll,
+ .unlocked_ioctl = video_ioctl2,
+ .mmap = v4l2_m2m_fop_mmap,
+};
+
+static struct video_device fdp1_videodev = {
+ .name = DRIVER_NAME,
+ .vfl_dir = VFL_DIR_M2M,
+ .fops = &fdp1_fops,
+ .ioctl_ops = &fdp1_ioctl_ops,
+ .minor = -1,
+ .release = video_device_release_empty,
+};
+
+static struct v4l2_m2m_ops m2m_ops = {
+ .device_run = device_run,
+ .job_ready = job_ready,
+ .job_abort = job_abort,
+};
+
+static irqreturn_t fdp1_irq_handler(int irq, void *dev_id)
+{
+ struct fdp1_dev *fdp1 = dev_id;
+
+ unsigned int int_status, scratch;
+ unsigned int cycles;
+
+ int_status = fdp1_read(fdp1, CTL_IRQSTA);
+
+ dprintk(fdp1, "IRQ: 0x%x %s%s%s\n", int_status,
+ int_status & CTL_IRQ_VERE ? "[Error]" : "[!E]",
+ int_status & CTL_IRQ_VINTE ? "[VSync]" : "[!V]",
+ int_status & CTL_IRQ_FREE ? "[FrameEnd]" : "[!F]");
+
+ cycles = fdp1_read(fdp1, CTL_VCYCLE_STATUS);
+ dprintk(fdp1, "CycleStatus = %d (%dms)\n",
+ cycles, cycles/(fdp1->clk_rate/1000));
+
+ scratch = fdp1_read(fdp1, CTL_STATUS);
+ dprintk(fdp1, "Control Status = 0x%08x : VINT_CNT = %d %s:%s:%s:%s\n",
+ scratch, (scratch >> 16),
+ scratch & CTL_STATUS_SGREGSET ? "RegSet" : "",
+ scratch & CTL_STATUS_SGVERR ? "Vsync Error" : "",
+ scratch & CTL_STATUS_SGFREND ? "FrameEnd" : "",
+ scratch & CTL_STATUS_BSY ? "Busy.." : "");
+ dprintk(fdp1, "***********************************\n");
+ if (debug >= 2)
+ fdp1_print_regs32(fdp1);
+ dprintk(fdp1, "***********************************\n");
+
+ /* Spurious interrupt */
+ if (!((CTL_IRQ_MASK) & int_status))
+ return IRQ_NONE;
+
+ /* Clear interrupts */
+ fdp1_write(fdp1, ~(int_status & CTL_IRQ_MASK), CTL_IRQSTA);
+
+ /* Work completed Release the frames ... */
+ if (CTL_IRQ_VERE & int_status)
+ device_isr(fdp1, VB2_BUF_STATE_ERROR);
+ else if (CTL_IRQ_FREE & int_status)
+ device_isr(fdp1, VB2_BUF_STATE_DONE);
+
+ return IRQ_HANDLED;
+}
+
+static int fdp1_debugfs_init(struct fdp1_dev *fdp1)
+{
+
+ /* Debug FS Regset registration */
+ fdp1->regset.base = fdp1->regs;
+ fdp1->regset.regs = fdp1_regset;
+ fdp1->regset.nregs = NUM_FDP1_REGSETS;
+
+ fdp1->dbgroot = debugfs_create_dir(fdp1->v4l2_dev.name, NULL);
+ if (!fdp1->dbgroot)
+ return -ENOMEM;
+
+ fdp1->regset_dentry = debugfs_create_regset32("regs",
+ S_IRUGO, fdp1->dbgroot, &fdp1->regset);
+
+ if (!fdp1->regset_dentry) {
+ debugfs_remove_recursive(fdp1->dbgroot);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void fdp1_debugfs_remove(struct fdp1_dev *fdp1)
+{
+ debugfs_remove_recursive(fdp1->dbgroot);
+}
+
+static int fdp1_probe(struct platform_device *pdev)
+{
+ struct fdp1_dev *fdp1;
+ struct video_device *vfd;
+ struct device_node *fcp_node;
+ struct resource *res;
+ struct clk *clk;
+
+ int ret;
+ int hw_version;
+
+ fdp1 = devm_kzalloc(&pdev->dev, sizeof(*fdp1), GFP_KERNEL);
+ if (!fdp1)
+ return -ENOMEM;
+
+ spin_lock_init(&fdp1->irqlock);
+ fdp1->dev = &pdev->dev;
+ platform_set_drvdata(pdev, fdp1);
+
+ /* memory-mapped registers */
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ fdp1->regs = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(fdp1->regs))
+ return PTR_ERR(fdp1->regs);
+
+ /* interrupt service routine registration */
+ fdp1->irq = ret = platform_get_irq(pdev, 0);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "cannot find IRQ\n");
+ return ret;
+ }
+
+ ret = devm_request_irq(&pdev->dev, fdp1->irq, fdp1_irq_handler, 0,
+ dev_name(&pdev->dev), fdp1);
+ if (ret) {
+ dev_err(&pdev->dev, "cannot claim IRQ %d\n", fdp1->irq);
+ return ret;
+ }
+
+ /* FCP */
+ fcp_node = of_parse_phandle(pdev->dev.of_node, "renesas,fcp", 0);
+ if (fcp_node) {
+ fdp1->fcp = rcar_fcp_get(fcp_node);
+ of_node_put(fcp_node);
+ if (IS_ERR(fdp1->fcp)) {
+ dev_err(&pdev->dev, "FCP not found (%ld)\n",
+ PTR_ERR(fdp1->fcp));
+ return PTR_ERR(fdp1->fcp);
+ }
+ }
+
+ /* Bring the device up ready for reading registers */
+ pm_runtime_enable(&pdev->dev);
+
+ /* Determine our clock rate */
+ clk = clk_get(&pdev->dev, NULL);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ fdp1->clk_rate = clk_get_rate(clk);
+ clk_put(clk);
+
+ dprintk(fdp1, "Running at %d\n", fdp1->clk_rate);
+
+ ret = v4l2_device_register(&pdev->dev, &fdp1->v4l2_dev);
+ if (ret)
+ return ret;
+
+ atomic_set(&fdp1->num_inst, 0);
+ mutex_init(&fdp1->dev_mutex);
+
+ fdp1->vfd = fdp1_videodev;
+ vfd = &fdp1->vfd;
+ vfd->lock = &fdp1->dev_mutex;
+ vfd->v4l2_dev = &fdp1->v4l2_dev;
+
+ /* Power up the cells for the probe function */
+ fdp1_get(fdp1);
+
+ hw_version = fdp1_read(fdp1, IP_INTDATA);
+ switch (hw_version) {
+ case IP_H3:
+ dprintk(fdp1, "FDP1 Version R-Car H3\n");
+ break;
+ case IP_M3W:
+ dprintk(fdp1, "FDP1 Version R-Car M3-W\n");
+ break;
+ default:
+ dev_err(fdp1->dev, "FDP1 Unidentifiable (0x%08x)\n",
+ hw_version);
+ goto unreg_dev;
+ }
+
+ /* Memory allocation contexts */
+ fdp1->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
+ if (IS_ERR(fdp1->alloc_ctx)) {
+ v4l2_err(&fdp1->v4l2_dev, "Failed to init memory allocator\n");
+ ret = PTR_ERR(fdp1->alloc_ctx);
+ goto unreg_dev;
+ }
+
+
+ ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
+ if (ret) {
+ v4l2_err(&fdp1->v4l2_dev, "Failed to register video device\n");
+ goto vb2_allocator_rollback;
+ }
+
+ video_set_drvdata(vfd, fdp1);
+ snprintf(vfd->name, sizeof(vfd->name), "%s", fdp1_videodev.name);
+ v4l2_info(&fdp1->v4l2_dev,
+ "Device registered as /dev/video%d\n", vfd->num);
+
+ fdp1->m2m_dev = v4l2_m2m_init(&m2m_ops);
+ if (IS_ERR(fdp1->m2m_dev)) {
+ v4l2_err(&fdp1->v4l2_dev, "Failed to init mem2mem device\n");
+ ret = PTR_ERR(fdp1->m2m_dev);
+ goto err_m2m;
+ }
+
+ /* Program in the static LUTs */
+ fdp1_set_lut(fdp1);
+
+ /* Register debug fs entries */
+ fdp1_debugfs_init(fdp1);
+
+ /* Allow the hw to sleep until an open call puts it to use */
+ fdp1_put(fdp1);
+
+ return 0;
+
+err_m2m:
+ v4l2_m2m_release(fdp1->m2m_dev);
+ video_unregister_device(&fdp1->vfd);
+
+vb2_allocator_rollback:
+ vb2_dma_contig_cleanup_ctx(fdp1->alloc_ctx);
+
+unreg_dev:
+ v4l2_device_unregister(&fdp1->v4l2_dev);
+ fdp1_put(fdp1);
+
+ return ret;
+}
+
+static int fdp1_remove(struct platform_device *pdev)
+{
+ struct fdp1_dev *fdp1 = platform_get_drvdata(pdev);
+
+ v4l2_info(&fdp1->v4l2_dev, "Removing " DRIVER_NAME);
+ fdp1_debugfs_remove(fdp1);
+ v4l2_m2m_release(fdp1->m2m_dev);
+ video_unregister_device(&fdp1->vfd);
+ v4l2_device_unregister(&fdp1->v4l2_dev);
+ vb2_dma_contig_cleanup_ctx(fdp1->alloc_ctx);
+ pm_runtime_disable(&pdev->dev);
+
+ return 0;
+}
+
+static int fdp1_pm_runtime_suspend(struct device *dev)
+{
+ struct fdp1_dev *fdp1 = dev_get_drvdata(dev);
+
+ rcar_fcp_disable(fdp1->fcp);
+
+ return 0;
+}
+
+static int fdp1_pm_runtime_resume(struct device *dev)
+{
+ struct fdp1_dev *fdp1 = dev_get_drvdata(dev);
+
+ return rcar_fcp_enable(fdp1->fcp);
+}
+
+static const struct dev_pm_ops fdp1_pm_ops = {
+ SET_RUNTIME_PM_OPS(fdp1_pm_runtime_suspend,
+ fdp1_pm_runtime_resume,
+ NULL)
+};
+
+static const struct of_device_id fdp1_dt_ids[] = {
+ { .compatible = "renesas,r8a7795-fdp1" },
+ { .compatible = "renesas,r8a7796-fdp1" },
+ { .compatible = "renesas,fdp1" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, fdp1_dt_ids);
+
+static struct platform_driver fdp1_pdrv = {
+ .probe = fdp1_probe,
+ .remove = fdp1_remove,
+ .driver = {
+ .name = DRIVER_NAME,
+ .of_match_table = fdp1_dt_ids,
+ /* .pm = &fdp1_pm_ops, */
+ },
+};
+
+module_platform_driver(fdp1_pdrv);
+
+MODULE_DESCRIPTION("Renesas R-Car Fine Display Processor");
+MODULE_AUTHOR("Kieran Bingham, <kieran@...gham.xyz>");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("0.1");
+MODULE_ALIAS("platform:" DRIVER_NAME);
--
2.7.4
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