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authorHans Verkuil <hans.verkuil@cisco.com>2016-11-22 19:44:37 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-04-10 19:38:17 +0300
commit34aa88790bad73ab9e41218a3874b794912f3a3d (patch)
treefe88ff09ceca9a877f5a623d27aa49e69675c5e3 /drivers/media/i2c/soc_camera
parentee044f5be17fdba92b41ac68f136039bfce1d32b (diff)
downloadlinux-34aa88790bad73ab9e41218a3874b794912f3a3d.tar.xz
[media] ov2640: convert from soc-camera to a standard subdev sensor driver
Convert ov2640 to a standard subdev driver. The soc-camera driver no longer uses this driver, so it can safely be converted. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hugues Fruchet <hugues.fruchet@st.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/i2c/soc_camera')
-rw-r--r--drivers/media/i2c/soc_camera/Kconfig6
-rw-r--r--drivers/media/i2c/soc_camera/Makefile1
-rw-r--r--drivers/media/i2c/soc_camera/ov2640.c1195
3 files changed, 0 insertions, 1202 deletions
diff --git a/drivers/media/i2c/soc_camera/Kconfig b/drivers/media/i2c/soc_camera/Kconfig
index 7704bcf5cc25..96859f37cb1c 100644
--- a/drivers/media/i2c/soc_camera/Kconfig
+++ b/drivers/media/i2c/soc_camera/Kconfig
@@ -41,12 +41,6 @@ config SOC_CAMERA_MT9V022
help
This driver supports MT9V022 cameras from Micron
-config SOC_CAMERA_OV2640
- tristate "ov2640 camera support"
- depends on SOC_CAMERA && I2C
- help
- This is a ov2640 camera driver
-
config SOC_CAMERA_OV5642
tristate "ov5642 camera support"
depends on SOC_CAMERA && I2C
diff --git a/drivers/media/i2c/soc_camera/Makefile b/drivers/media/i2c/soc_camera/Makefile
index 6f994f9353a0..974bdb721dbe 100644
--- a/drivers/media/i2c/soc_camera/Makefile
+++ b/drivers/media/i2c/soc_camera/Makefile
@@ -3,7 +3,6 @@ obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o
obj-$(CONFIG_SOC_CAMERA_MT9T031) += mt9t031.o
obj-$(CONFIG_SOC_CAMERA_MT9T112) += mt9t112.o
obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o
-obj-$(CONFIG_SOC_CAMERA_OV2640) += ov2640.o
obj-$(CONFIG_SOC_CAMERA_OV5642) += ov5642.o
obj-$(CONFIG_SOC_CAMERA_OV6650) += ov6650.o
obj-$(CONFIG_SOC_CAMERA_OV772X) += ov772x.o
diff --git a/drivers/media/i2c/soc_camera/ov2640.c b/drivers/media/i2c/soc_camera/ov2640.c
deleted file mode 100644
index 2a0620086aa5..000000000000
--- a/drivers/media/i2c/soc_camera/ov2640.c
+++ /dev/null
@@ -1,1195 +0,0 @@
-/*
- * ov2640 Camera Driver
- *
- * Copyright (C) 2010 Alberto Panizzo <maramaopercheseimorto@gmail.com>
- *
- * Based on ov772x, ov9640 drivers and previous non merged implementations.
- *
- * Copyright 2005-2009 Freescale Semiconductor, Inc. All Rights Reserved.
- * Copyright (C) 2006, OmniVision
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/i2c.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/gpio.h>
-#include <linux/gpio/consumer.h>
-#include <linux/of_gpio.h>
-#include <linux/v4l2-mediabus.h>
-#include <linux/videodev2.h>
-
-#include <media/soc_camera.h>
-#include <media/v4l2-clk.h>
-#include <media/v4l2-subdev.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-image-sizes.h>
-
-#define VAL_SET(x, mask, rshift, lshift) \
- ((((x) >> rshift) & mask) << lshift)
-/*
- * DSP registers
- * register offset for BANK_SEL == BANK_SEL_DSP
- */
-#define R_BYPASS 0x05 /* Bypass DSP */
-#define R_BYPASS_DSP_BYPAS 0x01 /* Bypass DSP, sensor out directly */
-#define R_BYPASS_USE_DSP 0x00 /* Use the internal DSP */
-#define QS 0x44 /* Quantization Scale Factor */
-#define CTRLI 0x50
-#define CTRLI_LP_DP 0x80
-#define CTRLI_ROUND 0x40
-#define CTRLI_V_DIV_SET(x) VAL_SET(x, 0x3, 0, 3)
-#define CTRLI_H_DIV_SET(x) VAL_SET(x, 0x3, 0, 0)
-#define HSIZE 0x51 /* H_SIZE[7:0] (real/4) */
-#define HSIZE_SET(x) VAL_SET(x, 0xFF, 2, 0)
-#define VSIZE 0x52 /* V_SIZE[7:0] (real/4) */
-#define VSIZE_SET(x) VAL_SET(x, 0xFF, 2, 0)
-#define XOFFL 0x53 /* OFFSET_X[7:0] */
-#define XOFFL_SET(x) VAL_SET(x, 0xFF, 0, 0)
-#define YOFFL 0x54 /* OFFSET_Y[7:0] */
-#define YOFFL_SET(x) VAL_SET(x, 0xFF, 0, 0)
-#define VHYX 0x55 /* Offset and size completion */
-#define VHYX_VSIZE_SET(x) VAL_SET(x, 0x1, (8+2), 7)
-#define VHYX_HSIZE_SET(x) VAL_SET(x, 0x1, (8+2), 3)
-#define VHYX_YOFF_SET(x) VAL_SET(x, 0x3, 8, 4)
-#define VHYX_XOFF_SET(x) VAL_SET(x, 0x3, 8, 0)
-#define DPRP 0x56
-#define TEST 0x57 /* Horizontal size completion */
-#define TEST_HSIZE_SET(x) VAL_SET(x, 0x1, (9+2), 7)
-#define ZMOW 0x5A /* Zoom: Out Width OUTW[7:0] (real/4) */
-#define ZMOW_OUTW_SET(x) VAL_SET(x, 0xFF, 2, 0)
-#define ZMOH 0x5B /* Zoom: Out Height OUTH[7:0] (real/4) */
-#define ZMOH_OUTH_SET(x) VAL_SET(x, 0xFF, 2, 0)
-#define ZMHH 0x5C /* Zoom: Speed and H&W completion */
-#define ZMHH_ZSPEED_SET(x) VAL_SET(x, 0x0F, 0, 4)
-#define ZMHH_OUTH_SET(x) VAL_SET(x, 0x1, (8+2), 2)
-#define ZMHH_OUTW_SET(x) VAL_SET(x, 0x3, (8+2), 0)
-#define BPADDR 0x7C /* SDE Indirect Register Access: Address */
-#define BPDATA 0x7D /* SDE Indirect Register Access: Data */
-#define CTRL2 0x86 /* DSP Module enable 2 */
-#define CTRL2_DCW_EN 0x20
-#define CTRL2_SDE_EN 0x10
-#define CTRL2_UV_ADJ_EN 0x08
-#define CTRL2_UV_AVG_EN 0x04
-#define CTRL2_CMX_EN 0x01
-#define CTRL3 0x87 /* DSP Module enable 3 */
-#define CTRL3_BPC_EN 0x80
-#define CTRL3_WPC_EN 0x40
-#define SIZEL 0x8C /* Image Size Completion */
-#define SIZEL_HSIZE8_11_SET(x) VAL_SET(x, 0x1, 11, 6)
-#define SIZEL_HSIZE8_SET(x) VAL_SET(x, 0x7, 0, 3)
-#define SIZEL_VSIZE8_SET(x) VAL_SET(x, 0x7, 0, 0)
-#define HSIZE8 0xC0 /* Image Horizontal Size HSIZE[10:3] */
-#define HSIZE8_SET(x) VAL_SET(x, 0xFF, 3, 0)
-#define VSIZE8 0xC1 /* Image Vertical Size VSIZE[10:3] */
-#define VSIZE8_SET(x) VAL_SET(x, 0xFF, 3, 0)
-#define CTRL0 0xC2 /* DSP Module enable 0 */
-#define CTRL0_AEC_EN 0x80
-#define CTRL0_AEC_SEL 0x40
-#define CTRL0_STAT_SEL 0x20
-#define CTRL0_VFIRST 0x10
-#define CTRL0_YUV422 0x08
-#define CTRL0_YUV_EN 0x04
-#define CTRL0_RGB_EN 0x02
-#define CTRL0_RAW_EN 0x01
-#define CTRL1 0xC3 /* DSP Module enable 1 */
-#define CTRL1_CIP 0x80
-#define CTRL1_DMY 0x40
-#define CTRL1_RAW_GMA 0x20
-#define CTRL1_DG 0x10
-#define CTRL1_AWB 0x08
-#define CTRL1_AWB_GAIN 0x04
-#define CTRL1_LENC 0x02
-#define CTRL1_PRE 0x01
-#define R_DVP_SP 0xD3 /* DVP output speed control */
-#define R_DVP_SP_AUTO_MODE 0x80
-#define R_DVP_SP_DVP_MASK 0x3F /* DVP PCLK = sysclk (48)/[6:0] (YUV0);
- * = sysclk (48)/(2*[6:0]) (RAW);*/
-#define IMAGE_MODE 0xDA /* Image Output Format Select */
-#define IMAGE_MODE_Y8_DVP_EN 0x40
-#define IMAGE_MODE_JPEG_EN 0x10
-#define IMAGE_MODE_YUV422 0x00
-#define IMAGE_MODE_RAW10 0x04 /* (DVP) */
-#define IMAGE_MODE_RGB565 0x08
-#define IMAGE_MODE_HREF_VSYNC 0x02 /* HREF timing select in DVP JPEG output
- * mode (0 for HREF is same as sensor) */
-#define IMAGE_MODE_LBYTE_FIRST 0x01 /* Byte swap enable for DVP
- * 1: Low byte first UYVY (C2[4] =0)
- * VYUY (C2[4] =1)
- * 0: High byte first YUYV (C2[4]=0)
- * YVYU (C2[4] = 1) */
-#define RESET 0xE0 /* Reset */
-#define RESET_MICROC 0x40
-#define RESET_SCCB 0x20
-#define RESET_JPEG 0x10
-#define RESET_DVP 0x04
-#define RESET_IPU 0x02
-#define RESET_CIF 0x01
-#define REGED 0xED /* Register ED */
-#define REGED_CLK_OUT_DIS 0x10
-#define MS_SP 0xF0 /* SCCB Master Speed */
-#define SS_ID 0xF7 /* SCCB Slave ID */
-#define SS_CTRL 0xF8 /* SCCB Slave Control */
-#define SS_CTRL_ADD_AUTO_INC 0x20
-#define SS_CTRL_EN 0x08
-#define SS_CTRL_DELAY_CLK 0x04
-#define SS_CTRL_ACC_EN 0x02
-#define SS_CTRL_SEN_PASS_THR 0x01
-#define MC_BIST 0xF9 /* Microcontroller misc register */
-#define MC_BIST_RESET 0x80 /* Microcontroller Reset */
-#define MC_BIST_BOOT_ROM_SEL 0x40
-#define MC_BIST_12KB_SEL 0x20
-#define MC_BIST_12KB_MASK 0x30
-#define MC_BIST_512KB_SEL 0x08
-#define MC_BIST_512KB_MASK 0x0C
-#define MC_BIST_BUSY_BIT_R 0x02
-#define MC_BIST_MC_RES_ONE_SH_W 0x02
-#define MC_BIST_LAUNCH 0x01
-#define BANK_SEL 0xFF /* Register Bank Select */
-#define BANK_SEL_DSP 0x00
-#define BANK_SEL_SENS 0x01
-
-/*
- * Sensor registers
- * register offset for BANK_SEL == BANK_SEL_SENS
- */
-#define GAIN 0x00 /* AGC - Gain control gain setting */
-#define COM1 0x03 /* Common control 1 */
-#define COM1_1_DUMMY_FR 0x40
-#define COM1_3_DUMMY_FR 0x80
-#define COM1_7_DUMMY_FR 0xC0
-#define COM1_VWIN_LSB_UXGA 0x0F
-#define COM1_VWIN_LSB_SVGA 0x0A
-#define COM1_VWIN_LSB_CIF 0x06
-#define REG04 0x04 /* Register 04 */
-#define REG04_DEF 0x20 /* Always set */
-#define REG04_HFLIP_IMG 0x80 /* Horizontal mirror image ON/OFF */
-#define REG04_VFLIP_IMG 0x40 /* Vertical flip image ON/OFF */
-#define REG04_VREF_EN 0x10
-#define REG04_HREF_EN 0x08
-#define REG04_AEC_SET(x) VAL_SET(x, 0x3, 0, 0)
-#define REG08 0x08 /* Frame Exposure One-pin Control Pre-charge Row Num */
-#define COM2 0x09 /* Common control 2 */
-#define COM2_SOFT_SLEEP_MODE 0x10 /* Soft sleep mode */
- /* Output drive capability */
-#define COM2_OCAP_Nx_SET(N) (((N) - 1) & 0x03) /* N = [1x .. 4x] */
-#define PID 0x0A /* Product ID Number MSB */
-#define VER 0x0B /* Product ID Number LSB */
-#define COM3 0x0C /* Common control 3 */
-#define COM3_BAND_50H 0x04 /* 0 For Banding at 60H */
-#define COM3_BAND_AUTO 0x02 /* Auto Banding */
-#define COM3_SING_FR_SNAPSH 0x01 /* 0 For enable live video output after the
- * snapshot sequence*/
-#define AEC 0x10 /* AEC[9:2] Exposure Value */
-#define CLKRC 0x11 /* Internal clock */
-#define CLKRC_EN 0x80
-#define CLKRC_DIV_SET(x) (((x) - 1) & 0x1F) /* CLK = XVCLK/(x) */
-#define COM7 0x12 /* Common control 7 */
-#define COM7_SRST 0x80 /* Initiates system reset. All registers are
- * set to factory default values after which
- * the chip resumes normal operation */
-#define COM7_RES_UXGA 0x00 /* Resolution selectors for UXGA */
-#define COM7_RES_SVGA 0x40 /* SVGA */
-#define COM7_RES_CIF 0x20 /* CIF */
-#define COM7_ZOOM_EN 0x04 /* Enable Zoom mode */
-#define COM7_COLOR_BAR_TEST 0x02 /* Enable Color Bar Test Pattern */
-#define COM8 0x13 /* Common control 8 */
-#define COM8_DEF 0xC0 /* Banding filter ON/OFF */
-#define COM8_BNDF_EN 0x20 /* Banding filter ON/OFF */
-#define COM8_AGC_EN 0x04 /* AGC Auto/Manual control selection */
-#define COM8_AEC_EN 0x01 /* Auto/Manual Exposure control */
-#define COM9 0x14 /* Common control 9
- * Automatic gain ceiling - maximum AGC value [7:5]*/
-#define COM9_AGC_GAIN_2x 0x00 /* 000 : 2x */
-#define COM9_AGC_GAIN_4x 0x20 /* 001 : 4x */
-#define COM9_AGC_GAIN_8x 0x40 /* 010 : 8x */
-#define COM9_AGC_GAIN_16x 0x60 /* 011 : 16x */
-#define COM9_AGC_GAIN_32x 0x80 /* 100 : 32x */
-#define COM9_AGC_GAIN_64x 0xA0 /* 101 : 64x */
-#define COM9_AGC_GAIN_128x 0xC0 /* 110 : 128x */
-#define COM10 0x15 /* Common control 10 */
-#define COM10_PCLK_HREF 0x20 /* PCLK output qualified by HREF */
-#define COM10_PCLK_RISE 0x10 /* Data is updated at the rising edge of
- * PCLK (user can latch data at the next
- * falling edge of PCLK).
- * 0 otherwise. */
-#define COM10_HREF_INV 0x08 /* Invert HREF polarity:
- * HREF negative for valid data*/
-#define COM10_VSINC_INV 0x02 /* Invert VSYNC polarity */
-#define HSTART 0x17 /* Horizontal Window start MSB 8 bit */
-#define HEND 0x18 /* Horizontal Window end MSB 8 bit */
-#define VSTART 0x19 /* Vertical Window start MSB 8 bit */
-#define VEND 0x1A /* Vertical Window end MSB 8 bit */
-#define MIDH 0x1C /* Manufacturer ID byte - high */
-#define MIDL 0x1D /* Manufacturer ID byte - low */
-#define AEW 0x24 /* AGC/AEC - Stable operating region (upper limit) */
-#define AEB 0x25 /* AGC/AEC - Stable operating region (lower limit) */
-#define VV 0x26 /* AGC/AEC Fast mode operating region */
-#define VV_HIGH_TH_SET(x) VAL_SET(x, 0xF, 0, 4)
-#define VV_LOW_TH_SET(x) VAL_SET(x, 0xF, 0, 0)
-#define REG2A 0x2A /* Dummy pixel insert MSB */
-#define FRARL 0x2B /* Dummy pixel insert LSB */
-#define ADDVFL 0x2D /* LSB of insert dummy lines in Vertical direction */
-#define ADDVFH 0x2E /* MSB of insert dummy lines in Vertical direction */
-#define YAVG 0x2F /* Y/G Channel Average value */
-#define REG32 0x32 /* Common Control 32 */
-#define REG32_PCLK_DIV_2 0x80 /* PCLK freq divided by 2 */
-#define REG32_PCLK_DIV_4 0xC0 /* PCLK freq divided by 4 */
-#define ARCOM2 0x34 /* Zoom: Horizontal start point */
-#define REG45 0x45 /* Register 45 */
-#define FLL 0x46 /* Frame Length Adjustment LSBs */
-#define FLH 0x47 /* Frame Length Adjustment MSBs */
-#define COM19 0x48 /* Zoom: Vertical start point */
-#define ZOOMS 0x49 /* Zoom: Vertical start point */
-#define COM22 0x4B /* Flash light control */
-#define COM25 0x4E /* For Banding operations */
-#define BD50 0x4F /* 50Hz Banding AEC 8 LSBs */
-#define BD60 0x50 /* 60Hz Banding AEC 8 LSBs */
-#define REG5D 0x5D /* AVGsel[7:0], 16-zone average weight option */
-#define REG5E 0x5E /* AVGsel[15:8], 16-zone average weight option */
-#define REG5F 0x5F /* AVGsel[23:16], 16-zone average weight option */
-#define REG60 0x60 /* AVGsel[31:24], 16-zone average weight option */
-#define HISTO_LOW 0x61 /* Histogram Algorithm Low Level */
-#define HISTO_HIGH 0x62 /* Histogram Algorithm High Level */
-
-/*
- * ID
- */
-#define MANUFACTURER_ID 0x7FA2
-#define PID_OV2640 0x2642
-#define VERSION(pid, ver) ((pid << 8) | (ver & 0xFF))
-
-/*
- * Struct
- */
-struct regval_list {
- u8 reg_num;
- u8 value;
-};
-
-struct ov2640_win_size {
- char *name;
- u32 width;
- u32 height;
- const struct regval_list *regs;
-};
-
-
-struct ov2640_priv {
- struct v4l2_subdev subdev;
- struct v4l2_ctrl_handler hdl;
- u32 cfmt_code;
- struct v4l2_clk *clk;
- const struct ov2640_win_size *win;
-
- struct soc_camera_subdev_desc ssdd_dt;
- struct gpio_desc *resetb_gpio;
- struct gpio_desc *pwdn_gpio;
-};
-
-/*
- * Registers settings
- */
-
-#define ENDMARKER { 0xff, 0xff }
-
-static const struct regval_list ov2640_init_regs[] = {
- { BANK_SEL, BANK_SEL_DSP },
- { 0x2c, 0xff },
- { 0x2e, 0xdf },
- { BANK_SEL, BANK_SEL_SENS },
- { 0x3c, 0x32 },
- { CLKRC, CLKRC_DIV_SET(1) },
- { COM2, COM2_OCAP_Nx_SET(3) },
- { REG04, REG04_DEF | REG04_HREF_EN },
- { COM8, COM8_DEF | COM8_BNDF_EN | COM8_AGC_EN | COM8_AEC_EN },
- { COM9, COM9_AGC_GAIN_8x | 0x08},
- { 0x2c, 0x0c },
- { 0x33, 0x78 },
- { 0x3a, 0x33 },
- { 0x3b, 0xfb },
- { 0x3e, 0x00 },
- { 0x43, 0x11 },
- { 0x16, 0x10 },
- { 0x39, 0x02 },
- { 0x35, 0x88 },
- { 0x22, 0x0a },
- { 0x37, 0x40 },
- { 0x23, 0x00 },
- { ARCOM2, 0xa0 },
- { 0x06, 0x02 },
- { 0x06, 0x88 },
- { 0x07, 0xc0 },
- { 0x0d, 0xb7 },
- { 0x0e, 0x01 },
- { 0x4c, 0x00 },
- { 0x4a, 0x81 },
- { 0x21, 0x99 },
- { AEW, 0x40 },
- { AEB, 0x38 },
- { VV, VV_HIGH_TH_SET(0x08) | VV_LOW_TH_SET(0x02) },
- { 0x5c, 0x00 },
- { 0x63, 0x00 },
- { FLL, 0x22 },
- { COM3, 0x38 | COM3_BAND_AUTO },
- { REG5D, 0x55 },
- { REG5E, 0x7d },
- { REG5F, 0x7d },
- { REG60, 0x55 },
- { HISTO_LOW, 0x70 },
- { HISTO_HIGH, 0x80 },
- { 0x7c, 0x05 },
- { 0x20, 0x80 },
- { 0x28, 0x30 },
- { 0x6c, 0x00 },
- { 0x6d, 0x80 },
- { 0x6e, 0x00 },
- { 0x70, 0x02 },
- { 0x71, 0x94 },
- { 0x73, 0xc1 },
- { 0x3d, 0x34 },
- { COM7, COM7_RES_UXGA | COM7_ZOOM_EN },
- { 0x5a, 0x57 },
- { BD50, 0xbb },
- { BD60, 0x9c },
- { BANK_SEL, BANK_SEL_DSP },
- { 0xe5, 0x7f },
- { MC_BIST, MC_BIST_RESET | MC_BIST_BOOT_ROM_SEL },
- { 0x41, 0x24 },
- { RESET, RESET_JPEG | RESET_DVP },
- { 0x76, 0xff },
- { 0x33, 0xa0 },
- { 0x42, 0x20 },
- { 0x43, 0x18 },
- { 0x4c, 0x00 },
- { CTRL3, CTRL3_BPC_EN | CTRL3_WPC_EN | 0x10 },
- { 0x88, 0x3f },
- { 0xd7, 0x03 },
- { 0xd9, 0x10 },
- { R_DVP_SP , R_DVP_SP_AUTO_MODE | 0x2 },
- { 0xc8, 0x08 },
- { 0xc9, 0x80 },
- { BPADDR, 0x00 },
- { BPDATA, 0x00 },
- { BPADDR, 0x03 },
- { BPDATA, 0x48 },
- { BPDATA, 0x48 },
- { BPADDR, 0x08 },
- { BPDATA, 0x20 },
- { BPDATA, 0x10 },
- { BPDATA, 0x0e },
- { 0x90, 0x00 },
- { 0x91, 0x0e },
- { 0x91, 0x1a },
- { 0x91, 0x31 },
- { 0x91, 0x5a },
- { 0x91, 0x69 },
- { 0x91, 0x75 },
- { 0x91, 0x7e },
- { 0x91, 0x88 },
- { 0x91, 0x8f },
- { 0x91, 0x96 },
- { 0x91, 0xa3 },
- { 0x91, 0xaf },
- { 0x91, 0xc4 },
- { 0x91, 0xd7 },
- { 0x91, 0xe8 },
- { 0x91, 0x20 },
- { 0x92, 0x00 },
- { 0x93, 0x06 },
- { 0x93, 0xe3 },
- { 0x93, 0x03 },
- { 0x93, 0x03 },
- { 0x93, 0x00 },
- { 0x93, 0x02 },
- { 0x93, 0x00 },
- { 0x93, 0x00 },
- { 0x93, 0x00 },
- { 0x93, 0x00 },
- { 0x93, 0x00 },
- { 0x93, 0x00 },
- { 0x93, 0x00 },
- { 0x96, 0x00 },
- { 0x97, 0x08 },
- { 0x97, 0x19 },
- { 0x97, 0x02 },
- { 0x97, 0x0c },
- { 0x97, 0x24 },
- { 0x97, 0x30 },
- { 0x97, 0x28 },
- { 0x97, 0x26 },
- { 0x97, 0x02 },
- { 0x97, 0x98 },
- { 0x97, 0x80 },
- { 0x97, 0x00 },
- { 0x97, 0x00 },
- { 0xa4, 0x00 },
- { 0xa8, 0x00 },
- { 0xc5, 0x11 },
- { 0xc6, 0x51 },
- { 0xbf, 0x80 },
- { 0xc7, 0x10 },
- { 0xb6, 0x66 },
- { 0xb8, 0xA5 },
- { 0xb7, 0x64 },
- { 0xb9, 0x7C },
- { 0xb3, 0xaf },
- { 0xb4, 0x97 },
- { 0xb5, 0xFF },
- { 0xb0, 0xC5 },
- { 0xb1, 0x94 },
- { 0xb2, 0x0f },
- { 0xc4, 0x5c },
- { 0xa6, 0x00 },
- { 0xa7, 0x20 },
- { 0xa7, 0xd8 },
- { 0xa7, 0x1b },
- { 0xa7, 0x31 },
- { 0xa7, 0x00 },
- { 0xa7, 0x18 },
- { 0xa7, 0x20 },
- { 0xa7, 0xd8 },
- { 0xa7, 0x19 },
- { 0xa7, 0x31 },
- { 0xa7, 0x00 },
- { 0xa7, 0x18 },
- { 0xa7, 0x20 },
- { 0xa7, 0xd8 },
- { 0xa7, 0x19 },
- { 0xa7, 0x31 },
- { 0xa7, 0x00 },
- { 0xa7, 0x18 },
- { 0x7f, 0x00 },
- { 0xe5, 0x1f },
- { 0xe1, 0x77 },
- { 0xdd, 0x7f },
- { CTRL0, CTRL0_YUV422 | CTRL0_YUV_EN | CTRL0_RGB_EN },
- ENDMARKER,
-};
-
-/*
- * Register settings for window size
- * The preamble, setup the internal DSP to input an UXGA (1600x1200) image.
- * Then the different zooming configurations will setup the output image size.
- */
-static const struct regval_list ov2640_size_change_preamble_regs[] = {
- { BANK_SEL, BANK_SEL_DSP },
- { RESET, RESET_DVP },
- { HSIZE8, HSIZE8_SET(UXGA_WIDTH) },
- { VSIZE8, VSIZE8_SET(UXGA_HEIGHT) },
- { CTRL2, CTRL2_DCW_EN | CTRL2_SDE_EN |
- CTRL2_UV_AVG_EN | CTRL2_CMX_EN | CTRL2_UV_ADJ_EN },
- { HSIZE, HSIZE_SET(UXGA_WIDTH) },
- { VSIZE, VSIZE_SET(UXGA_HEIGHT) },
- { XOFFL, XOFFL_SET(0) },
- { YOFFL, YOFFL_SET(0) },
- { VHYX, VHYX_HSIZE_SET(UXGA_WIDTH) | VHYX_VSIZE_SET(UXGA_HEIGHT) |
- VHYX_XOFF_SET(0) | VHYX_YOFF_SET(0)},
- { TEST, TEST_HSIZE_SET(UXGA_WIDTH) },
- ENDMARKER,
-};
-
-#define PER_SIZE_REG_SEQ(x, y, v_div, h_div, pclk_div) \
- { CTRLI, CTRLI_LP_DP | CTRLI_V_DIV_SET(v_div) | \
- CTRLI_H_DIV_SET(h_div)}, \
- { ZMOW, ZMOW_OUTW_SET(x) }, \
- { ZMOH, ZMOH_OUTH_SET(y) }, \
- { ZMHH, ZMHH_OUTW_SET(x) | ZMHH_OUTH_SET(y) }, \
- { R_DVP_SP, pclk_div }, \
- { RESET, 0x00}
-
-static const struct regval_list ov2640_qcif_regs[] = {
- PER_SIZE_REG_SEQ(QCIF_WIDTH, QCIF_HEIGHT, 3, 3, 4),
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_qvga_regs[] = {
- PER_SIZE_REG_SEQ(QVGA_WIDTH, QVGA_HEIGHT, 2, 2, 4),
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_cif_regs[] = {
- PER_SIZE_REG_SEQ(CIF_WIDTH, CIF_HEIGHT, 2, 2, 8),
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_vga_regs[] = {
- PER_SIZE_REG_SEQ(VGA_WIDTH, VGA_HEIGHT, 0, 0, 2),
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_svga_regs[] = {
- PER_SIZE_REG_SEQ(SVGA_WIDTH, SVGA_HEIGHT, 1, 1, 2),
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_xga_regs[] = {
- PER_SIZE_REG_SEQ(XGA_WIDTH, XGA_HEIGHT, 0, 0, 2),
- { CTRLI, 0x00},
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_sxga_regs[] = {
- PER_SIZE_REG_SEQ(SXGA_WIDTH, SXGA_HEIGHT, 0, 0, 2),
- { CTRLI, 0x00},
- { R_DVP_SP, 2 | R_DVP_SP_AUTO_MODE },
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_uxga_regs[] = {
- PER_SIZE_REG_SEQ(UXGA_WIDTH, UXGA_HEIGHT, 0, 0, 0),
- { CTRLI, 0x00},
- { R_DVP_SP, 0 | R_DVP_SP_AUTO_MODE },
- ENDMARKER,
-};
-
-#define OV2640_SIZE(n, w, h, r) \
- {.name = n, .width = w , .height = h, .regs = r }
-
-static const struct ov2640_win_size ov2640_supported_win_sizes[] = {
- OV2640_SIZE("QCIF", QCIF_WIDTH, QCIF_HEIGHT, ov2640_qcif_regs),
- OV2640_SIZE("QVGA", QVGA_WIDTH, QVGA_HEIGHT, ov2640_qvga_regs),
- OV2640_SIZE("CIF", CIF_WIDTH, CIF_HEIGHT, ov2640_cif_regs),
- OV2640_SIZE("VGA", VGA_WIDTH, VGA_HEIGHT, ov2640_vga_regs),
- OV2640_SIZE("SVGA", SVGA_WIDTH, SVGA_HEIGHT, ov2640_svga_regs),
- OV2640_SIZE("XGA", XGA_WIDTH, XGA_HEIGHT, ov2640_xga_regs),
- OV2640_SIZE("SXGA", SXGA_WIDTH, SXGA_HEIGHT, ov2640_sxga_regs),
- OV2640_SIZE("UXGA", UXGA_WIDTH, UXGA_HEIGHT, ov2640_uxga_regs),
-};
-
-/*
- * Register settings for pixel formats
- */
-static const struct regval_list ov2640_format_change_preamble_regs[] = {
- { BANK_SEL, BANK_SEL_DSP },
- { R_BYPASS, R_BYPASS_USE_DSP },
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_yuyv_regs[] = {
- { IMAGE_MODE, IMAGE_MODE_YUV422 },
- { 0xd7, 0x03 },
- { 0x33, 0xa0 },
- { 0xe5, 0x1f },
- { 0xe1, 0x67 },
- { RESET, 0x00 },
- { R_BYPASS, R_BYPASS_USE_DSP },
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_uyvy_regs[] = {
- { IMAGE_MODE, IMAGE_MODE_LBYTE_FIRST | IMAGE_MODE_YUV422 },
- { 0xd7, 0x01 },
- { 0x33, 0xa0 },
- { 0xe1, 0x67 },
- { RESET, 0x00 },
- { R_BYPASS, R_BYPASS_USE_DSP },
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_rgb565_be_regs[] = {
- { IMAGE_MODE, IMAGE_MODE_RGB565 },
- { 0xd7, 0x03 },
- { RESET, 0x00 },
- { R_BYPASS, R_BYPASS_USE_DSP },
- ENDMARKER,
-};
-
-static const struct regval_list ov2640_rgb565_le_regs[] = {
- { IMAGE_MODE, IMAGE_MODE_LBYTE_FIRST | IMAGE_MODE_RGB565 },
- { 0xd7, 0x03 },
- { RESET, 0x00 },
- { R_BYPASS, R_BYPASS_USE_DSP },
- ENDMARKER,
-};
-
-static u32 ov2640_codes[] = {
- MEDIA_BUS_FMT_YUYV8_2X8,
- MEDIA_BUS_FMT_UYVY8_2X8,
- MEDIA_BUS_FMT_RGB565_2X8_BE,
- MEDIA_BUS_FMT_RGB565_2X8_LE,
-};
-
-/*
- * General functions
- */
-static struct ov2640_priv *to_ov2640(const struct i2c_client *client)
-{
- return container_of(i2c_get_clientdata(client), struct ov2640_priv,
- subdev);
-}
-
-static int ov2640_write_array(struct i2c_client *client,
- const struct regval_list *vals)
-{
- int ret;
-
- while ((vals->reg_num != 0xff) || (vals->value != 0xff)) {
- ret = i2c_smbus_write_byte_data(client,
- vals->reg_num, vals->value);
- dev_vdbg(&client->dev, "array: 0x%02x, 0x%02x",
- vals->reg_num, vals->value);
-
- if (ret < 0)
- return ret;
- vals++;
- }
- return 0;
-}
-
-static int ov2640_mask_set(struct i2c_client *client,
- u8 reg, u8 mask, u8 set)
-{
- s32 val = i2c_smbus_read_byte_data(client, reg);
- if (val < 0)
- return val;
-
- val &= ~mask;
- val |= set & mask;
-
- dev_vdbg(&client->dev, "masks: 0x%02x, 0x%02x", reg, val);
-
- return i2c_smbus_write_byte_data(client, reg, val);
-}
-
-static int ov2640_reset(struct i2c_client *client)
-{
- int ret;
- const struct regval_list reset_seq[] = {
- {BANK_SEL, BANK_SEL_SENS},
- {COM7, COM7_SRST},
- ENDMARKER,
- };
-
- ret = ov2640_write_array(client, reset_seq);
- if (ret)
- goto err;
-
- msleep(5);
-err:
- dev_dbg(&client->dev, "%s: (ret %d)", __func__, ret);
- return ret;
-}
-
-/*
- * soc_camera_ops functions
- */
-static int ov2640_s_stream(struct v4l2_subdev *sd, int enable)
-{
- return 0;
-}
-
-static int ov2640_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct v4l2_subdev *sd =
- &container_of(ctrl->handler, struct ov2640_priv, hdl)->subdev;
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- u8 val;
- int ret;
-
- ret = i2c_smbus_write_byte_data(client, BANK_SEL, BANK_SEL_SENS);
- if (ret < 0)
- return ret;
-
- switch (ctrl->id) {
- case V4L2_CID_VFLIP:
- val = ctrl->val ? REG04_VFLIP_IMG : 0x00;
- return ov2640_mask_set(client, REG04, REG04_VFLIP_IMG, val);
- case V4L2_CID_HFLIP:
- val = ctrl->val ? REG04_HFLIP_IMG : 0x00;
- return ov2640_mask_set(client, REG04, REG04_HFLIP_IMG, val);
- }
-
- return -EINVAL;
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int ov2640_g_register(struct v4l2_subdev *sd,
- struct v4l2_dbg_register *reg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- int ret;
-
- reg->size = 1;
- if (reg->reg > 0xff)
- return -EINVAL;
-
- ret = i2c_smbus_read_byte_data(client, reg->reg);
- if (ret < 0)
- return ret;
-
- reg->val = ret;
-
- return 0;
-}
-
-static int ov2640_s_register(struct v4l2_subdev *sd,
- const struct v4l2_dbg_register *reg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- if (reg->reg > 0xff ||
- reg->val > 0xff)
- return -EINVAL;
-
- return i2c_smbus_write_byte_data(client, reg->reg, reg->val);
-}
-#endif
-
-static int ov2640_s_power(struct v4l2_subdev *sd, int on)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
- struct ov2640_priv *priv = to_ov2640(client);
-
- return soc_camera_set_power(&client->dev, ssdd, priv->clk, on);
-}
-
-/* Select the nearest higher resolution for capture */
-static const struct ov2640_win_size *ov2640_select_win(u32 *width, u32 *height)
-{
- int i, default_size = ARRAY_SIZE(ov2640_supported_win_sizes) - 1;
-
- for (i = 0; i < ARRAY_SIZE(ov2640_supported_win_sizes); i++) {
- if (ov2640_supported_win_sizes[i].width >= *width &&
- ov2640_supported_win_sizes[i].height >= *height) {
- *width = ov2640_supported_win_sizes[i].width;
- *height = ov2640_supported_win_sizes[i].height;
- return &ov2640_supported_win_sizes[i];
- }
- }
-
- *width = ov2640_supported_win_sizes[default_size].width;
- *height = ov2640_supported_win_sizes[default_size].height;
- return &ov2640_supported_win_sizes[default_size];
-}
-
-static int ov2640_set_params(struct i2c_client *client, u32 *width, u32 *height,
- u32 code)
-{
- struct ov2640_priv *priv = to_ov2640(client);
- const struct regval_list *selected_cfmt_regs;
- int ret;
-
- /* select win */
- priv->win = ov2640_select_win(width, height);
-
- /* select format */
- priv->cfmt_code = 0;
- switch (code) {
- case MEDIA_BUS_FMT_RGB565_2X8_BE:
- dev_dbg(&client->dev, "%s: Selected cfmt RGB565 BE", __func__);
- selected_cfmt_regs = ov2640_rgb565_be_regs;
- break;
- case MEDIA_BUS_FMT_RGB565_2X8_LE:
- dev_dbg(&client->dev, "%s: Selected cfmt RGB565 LE", __func__);
- selected_cfmt_regs = ov2640_rgb565_le_regs;
- break;
- case MEDIA_BUS_FMT_YUYV8_2X8:
- dev_dbg(&client->dev, "%s: Selected cfmt YUYV (YUV422)", __func__);
- selected_cfmt_regs = ov2640_yuyv_regs;
- break;
- case MEDIA_BUS_FMT_UYVY8_2X8:
- default:
- dev_dbg(&client->dev, "%s: Selected cfmt UYVY", __func__);
- selected_cfmt_regs = ov2640_uyvy_regs;
- break;
- }
-
- /* reset hardware */
- ov2640_reset(client);
-
- /* initialize the sensor with default data */
- dev_dbg(&client->dev, "%s: Init default", __func__);
- ret = ov2640_write_array(client, ov2640_init_regs);
- if (ret < 0)
- goto err;
-
- /* select preamble */
- dev_dbg(&client->dev, "%s: Set size to %s", __func__, priv->win->name);
- ret = ov2640_write_array(client, ov2640_size_change_preamble_regs);
- if (ret < 0)
- goto err;
-
- /* set size win */
- ret = ov2640_write_array(client, priv->win->regs);
- if (ret < 0)
- goto err;
-
- /* cfmt preamble */
- dev_dbg(&client->dev, "%s: Set cfmt", __func__);
- ret = ov2640_write_array(client, ov2640_format_change_preamble_regs);
- if (ret < 0)
- goto err;
-
- /* set cfmt */
- ret = ov2640_write_array(client, selected_cfmt_regs);
- if (ret < 0)
- goto err;
-
- priv->cfmt_code = code;
- *width = priv->win->width;
- *height = priv->win->height;
-
- return 0;
-
-err:
- dev_err(&client->dev, "%s: Error %d", __func__, ret);
- ov2640_reset(client);
- priv->win = NULL;
-
- return ret;
-}
-
-static int ov2640_get_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *format)
-{
- struct v4l2_mbus_framefmt *mf = &format->format;
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct ov2640_priv *priv = to_ov2640(client);
-
- if (format->pad)
- return -EINVAL;
-
- if (!priv->win) {
- u32 width = SVGA_WIDTH, height = SVGA_HEIGHT;
- priv->win = ov2640_select_win(&width, &height);
- priv->cfmt_code = MEDIA_BUS_FMT_UYVY8_2X8;
- }
-
- mf->width = priv->win->width;
- mf->height = priv->win->height;
- mf->code = priv->cfmt_code;
- mf->colorspace = V4L2_COLORSPACE_SRGB;
- mf->field = V4L2_FIELD_NONE;
-
- return 0;
-}
-
-static int ov2640_set_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *format)
-{
- struct v4l2_mbus_framefmt *mf = &format->format;
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- if (format->pad)
- return -EINVAL;
-
- /*
- * select suitable win, but don't store it
- */
- ov2640_select_win(&mf->width, &mf->height);
-
- mf->field = V4L2_FIELD_NONE;
- mf->colorspace = V4L2_COLORSPACE_SRGB;
-
- switch (mf->code) {
- case MEDIA_BUS_FMT_RGB565_2X8_BE:
- case MEDIA_BUS_FMT_RGB565_2X8_LE:
- case MEDIA_BUS_FMT_YUYV8_2X8:
- case MEDIA_BUS_FMT_UYVY8_2X8:
- break;
- default:
- mf->code = MEDIA_BUS_FMT_UYVY8_2X8;
- break;
- }
-
- if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
- return ov2640_set_params(client, &mf->width,
- &mf->height, mf->code);
- cfg->try_fmt = *mf;
- return 0;
-}
-
-static int ov2640_enum_mbus_code(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_mbus_code_enum *code)
-{
- if (code->pad || code->index >= ARRAY_SIZE(ov2640_codes))
- return -EINVAL;
-
- code->code = ov2640_codes[code->index];
- return 0;
-}
-
-static int ov2640_get_selection(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_selection *sel)
-{
- if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
- return -EINVAL;
-
- switch (sel->target) {
- case V4L2_SEL_TGT_CROP_BOUNDS:
- case V4L2_SEL_TGT_CROP_DEFAULT:
- case V4L2_SEL_TGT_CROP:
- sel->r.left = 0;
- sel->r.top = 0;
- sel->r.width = UXGA_WIDTH;
- sel->r.height = UXGA_HEIGHT;
- return 0;
- default:
- return -EINVAL;
- }
-}
-
-static int ov2640_video_probe(struct i2c_client *client)
-{
- struct ov2640_priv *priv = to_ov2640(client);
- u8 pid, ver, midh, midl;
- const char *devname;
- int ret;
-
- ret = ov2640_s_power(&priv->subdev, 1);
- if (ret < 0)
- return ret;
-
- /*
- * check and show product ID and manufacturer ID
- */
- i2c_smbus_write_byte_data(client, BANK_SEL, BANK_SEL_SENS);
- pid = i2c_smbus_read_byte_data(client, PID);
- ver = i2c_smbus_read_byte_data(client, VER);
- midh = i2c_smbus_read_byte_data(client, MIDH);
- midl = i2c_smbus_read_byte_data(client, MIDL);
-
- switch (VERSION(pid, ver)) {
- case PID_OV2640:
- devname = "ov2640";
- break;
- default:
- dev_err(&client->dev,
- "Product ID error %x:%x\n", pid, ver);
- ret = -ENODEV;
- goto done;
- }
-
- dev_info(&client->dev,
- "%s Product ID %0x:%0x Manufacturer ID %x:%x\n",
- devname, pid, ver, midh, midl);
-
- ret = v4l2_ctrl_handler_setup(&priv->hdl);
-
-done:
- ov2640_s_power(&priv->subdev, 0);
- return ret;
-}
-
-static const struct v4l2_ctrl_ops ov2640_ctrl_ops = {
- .s_ctrl = ov2640_s_ctrl,
-};
-
-static const struct v4l2_subdev_core_ops ov2640_subdev_core_ops = {
-#ifdef CONFIG_VIDEO_ADV_DEBUG
- .g_register = ov2640_g_register,
- .s_register = ov2640_s_register,
-#endif
- .s_power = ov2640_s_power,
-};
-
-static int ov2640_g_mbus_config(struct v4l2_subdev *sd,
- struct v4l2_mbus_config *cfg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
-
- cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
- V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_HIGH |
- V4L2_MBUS_DATA_ACTIVE_HIGH;
- cfg->type = V4L2_MBUS_PARALLEL;
- cfg->flags = soc_camera_apply_board_flags(ssdd, cfg);
-
- return 0;
-}
-
-static const struct v4l2_subdev_video_ops ov2640_subdev_video_ops = {
- .s_stream = ov2640_s_stream,
- .g_mbus_config = ov2640_g_mbus_config,
-};
-
-static const struct v4l2_subdev_pad_ops ov2640_subdev_pad_ops = {
- .enum_mbus_code = ov2640_enum_mbus_code,
- .get_selection = ov2640_get_selection,
- .get_fmt = ov2640_get_fmt,
- .set_fmt = ov2640_set_fmt,
-};
-
-static const struct v4l2_subdev_ops ov2640_subdev_ops = {
- .core = &ov2640_subdev_core_ops,
- .video = &ov2640_subdev_video_ops,
- .pad = &ov2640_subdev_pad_ops,
-};
-
-/* OF probe functions */
-static int ov2640_hw_power(struct device *dev, int on)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct ov2640_priv *priv = to_ov2640(client);
-
- dev_dbg(&client->dev, "%s: %s the camera\n",
- __func__, on ? "ENABLE" : "DISABLE");
-
- if (priv->pwdn_gpio)
- gpiod_direction_output(priv->pwdn_gpio, !on);
-
- return 0;
-}
-
-static int ov2640_hw_reset(struct device *dev)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct ov2640_priv *priv = to_ov2640(client);
-
- if (priv->resetb_gpio) {
- /* Active the resetb pin to perform a reset pulse */
- gpiod_direction_output(priv->resetb_gpio, 1);
- usleep_range(3000, 5000);
- gpiod_direction_output(priv->resetb_gpio, 0);
- }
-
- return 0;
-}
-
-static int ov2640_probe_dt(struct i2c_client *client,
- struct ov2640_priv *priv)
-{
- /* Request the reset GPIO deasserted */
- priv->resetb_gpio = devm_gpiod_get_optional(&client->dev, "resetb",
- GPIOD_OUT_LOW);
- if (!priv->resetb_gpio)
- dev_dbg(&client->dev, "resetb gpio is not assigned!\n");
- else if (IS_ERR(priv->resetb_gpio))
- return PTR_ERR(priv->resetb_gpio);
-
- /* Request the power down GPIO asserted */
- priv->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "pwdn",
- GPIOD_OUT_HIGH);
- if (!priv->pwdn_gpio)
- dev_dbg(&client->dev, "pwdn gpio is not assigned!\n");
- else if (IS_ERR(priv->pwdn_gpio))
- return PTR_ERR(priv->pwdn_gpio);
-
- /* Initialize the soc_camera_subdev_desc */
- priv->ssdd_dt.power = ov2640_hw_power;
- priv->ssdd_dt.reset = ov2640_hw_reset;
- client->dev.platform_data = &priv->ssdd_dt;
-
- return 0;
-}
-
-/*
- * i2c_driver functions
- */
-static int ov2640_probe(struct i2c_client *client,
- const struct i2c_device_id *did)
-{
- struct ov2640_priv *priv;
- struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
- struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
- int ret;
-
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
- dev_err(&adapter->dev,
- "OV2640: I2C-Adapter doesn't support SMBUS\n");
- return -EIO;
- }
-
- priv = devm_kzalloc(&client->dev, sizeof(struct ov2640_priv), GFP_KERNEL);
- if (!priv) {
- dev_err(&adapter->dev,
- "Failed to allocate memory for private data!\n");
- return -ENOMEM;
- }
-
- priv->clk = v4l2_clk_get(&client->dev, "xvclk");
- if (IS_ERR(priv->clk))
- return -EPROBE_DEFER;
-
- if (!ssdd && !client->dev.of_node) {
- dev_err(&client->dev, "Missing platform_data for driver\n");
- ret = -EINVAL;
- goto err_clk;
- }
-
- if (!ssdd) {
- ret = ov2640_probe_dt(client, priv);
- if (ret)
- goto err_clk;
- }
-
- v4l2_i2c_subdev_init(&priv->subdev, client, &ov2640_subdev_ops);
- v4l2_ctrl_handler_init(&priv->hdl, 2);
- v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops,
- V4L2_CID_VFLIP, 0, 1, 1, 0);
- v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops,
- V4L2_CID_HFLIP, 0, 1, 1, 0);
- priv->subdev.ctrl_handler = &priv->hdl;
- if (priv->hdl.error) {
- ret = priv->hdl.error;
- goto err_clk;
- }
-
- ret = ov2640_video_probe(client);
- if (ret < 0)
- goto err_videoprobe;
-
- ret = v4l2_async_register_subdev(&priv->subdev);
- if (ret < 0)
- goto err_videoprobe;
-
- dev_info(&adapter->dev, "OV2640 Probed\n");
-
- return 0;
-
-err_videoprobe:
- v4l2_ctrl_handler_free(&priv->hdl);
-err_clk:
- v4l2_clk_put(priv->clk);
- return ret;
-}
-
-static int ov2640_remove(struct i2c_client *client)
-{
- struct ov2640_priv *priv = to_ov2640(client);
-
- v4l2_async_unregister_subdev(&priv->subdev);
- v4l2_clk_put(priv->clk);
- v4l2_device_unregister_subdev(&priv->subdev);
- v4l2_ctrl_handler_free(&priv->hdl);
- return 0;
-}
-
-static const struct i2c_device_id ov2640_id[] = {
- { "ov2640", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, ov2640_id);
-
-static const struct of_device_id ov2640_of_match[] = {
- {.compatible = "ovti,ov2640", },
- {},
-};
-MODULE_DEVICE_TABLE(of, ov2640_of_match);
-
-static struct i2c_driver ov2640_i2c_driver = {
- .driver = {
- .name = "ov2640",
- .of_match_table = of_match_ptr(ov2640_of_match),
- },
- .probe = ov2640_probe,
- .remove = ov2640_remove,
- .id_table = ov2640_id,
-};
-
-module_i2c_driver(ov2640_i2c_driver);
-
-MODULE_DESCRIPTION("SoC Camera driver for Omni Vision 2640 sensor");
-MODULE_AUTHOR("Alberto Panizzo");
-MODULE_LICENSE("GPL v2");