V4L/DVB (8684): Add support for Micron MT9M111 camera.
Adds support for Micron MT9M111 camera chip, with basic features : - view rectangle configurable - some output formats (bayer8, bayer10, rgb565, rgb555, ycbycr) - autoexposure - only highpower mode context used (ie. context B) create mode 100644 drivers/media/video/mt9m111.c Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Robert Jarzmik
Mauro Carvalho Chehab
parent
9cc6493d4b
commit
77110abbfb
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@ -809,6 +809,12 @@ config MT9M001_PCA9536_SWITCH
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Select this if your MT9M001 camera uses a PCA9536 I2C GPIO
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extender to switch between 8 and 10 bit datawidth modes
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config SOC_CAMERA_MT9M111
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tristate "mt9m001 support"
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depends on SOC_CAMERA && I2C
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help
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This driver supports MT9M111 cameras from Micron
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config SOC_CAMERA_MT9V022
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tristate "mt9v022 support"
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depends on SOC_CAMERA && I2C
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@ -137,6 +137,7 @@ obj-$(CONFIG_VIDEO_PXA27x) += pxa_camera.o
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obj-$(CONFIG_VIDEO_SH_MOBILE_CEU) += sh_mobile_ceu_camera.o
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obj-$(CONFIG_SOC_CAMERA) += soc_camera.o
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obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o
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obj-$(CONFIG_SOC_CAMERA_MT9M111) += mt9m111.o
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obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o
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obj-$(CONFIG_SOC_CAMERA_PLATFORM) += soc_camera_platform.o
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@ -0,0 +1,960 @@
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/*
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* Driver for MT9M111 CMOS Image Sensor from Micron
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*
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* Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/videodev2.h>
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#include <linux/slab.h>
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#include <linux/i2c.h>
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#include <linux/log2.h>
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#include <linux/gpio.h>
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#include <linux/delay.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-chip-ident.h>
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#include <media/soc_camera.h>
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/*
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* mt9m111 i2c address is 0x5d or 0x48 (depending on SAddr pin)
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* The platform has to define i2c_board_info and call i2c_register_board_info()
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*/
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/* mt9m111: Sensor register addresses */
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#define MT9M111_CHIP_VERSION 0x000
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#define MT9M111_ROW_START 0x001
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#define MT9M111_COLUMN_START 0x002
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#define MT9M111_WINDOW_HEIGHT 0x003
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#define MT9M111_WINDOW_WIDTH 0x004
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#define MT9M111_HORIZONTAL_BLANKING_B 0x005
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#define MT9M111_VERTICAL_BLANKING_B 0x006
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#define MT9M111_HORIZONTAL_BLANKING_A 0x007
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#define MT9M111_VERTICAL_BLANKING_A 0x008
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#define MT9M111_SHUTTER_WIDTH 0x009
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#define MT9M111_ROW_SPEED 0x00a
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#define MT9M111_EXTRA_DELAY 0x00b
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#define MT9M111_SHUTTER_DELAY 0x00c
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#define MT9M111_RESET 0x00d
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#define MT9M111_READ_MODE_B 0x020
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#define MT9M111_READ_MODE_A 0x021
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#define MT9M111_FLASH_CONTROL 0x023
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#define MT9M111_GREEN1_GAIN 0x02b
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#define MT9M111_BLUE_GAIN 0x02c
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#define MT9M111_RED_GAIN 0x02d
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#define MT9M111_GREEN2_GAIN 0x02e
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#define MT9M111_GLOBAL_GAIN 0x02f
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#define MT9M111_CONTEXT_CONTROL 0x0c8
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#define MT9M111_PAGE_MAP 0x0f0
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#define MT9M111_BYTE_WISE_ADDR 0x0f1
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#define MT9M111_RESET_SYNC_CHANGES (1 << 15)
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#define MT9M111_RESET_RESTART_BAD_FRAME (1 << 9)
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#define MT9M111_RESET_SHOW_BAD_FRAMES (1 << 8)
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#define MT9M111_RESET_RESET_SOC (1 << 5)
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#define MT9M111_RESET_OUTPUT_DISABLE (1 << 4)
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#define MT9M111_RESET_CHIP_ENABLE (1 << 3)
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#define MT9M111_RESET_ANALOG_STANDBY (1 << 2)
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#define MT9M111_RESET_RESTART_FRAME (1 << 1)
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#define MT9M111_RESET_RESET_MODE (1 << 0)
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#define MT9M111_RMB_MIRROR_COLS (1 << 1)
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#define MT9M111_RMB_MIRROR_ROWS (1 << 0)
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#define MT9M111_CTXT_CTRL_RESTART (1 << 15)
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#define MT9M111_CTXT_CTRL_DEFECTCOR_B (1 << 12)
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#define MT9M111_CTXT_CTRL_RESIZE_B (1 << 10)
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#define MT9M111_CTXT_CTRL_CTRL2_B (1 << 9)
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#define MT9M111_CTXT_CTRL_GAMMA_B (1 << 8)
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#define MT9M111_CTXT_CTRL_XENON_EN (1 << 7)
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#define MT9M111_CTXT_CTRL_READ_MODE_B (1 << 3)
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#define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2)
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#define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1)
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#define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0)
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/*
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* mt9m111: Colorpipe register addresses (0x100..0x1ff)
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*/
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#define MT9M111_OPER_MODE_CTRL 0x106
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#define MT9M111_OUTPUT_FORMAT_CTRL 0x108
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#define MT9M111_REDUCER_XZOOM_B 0x1a0
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#define MT9M111_REDUCER_XSIZE_B 0x1a1
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#define MT9M111_REDUCER_YZOOM_B 0x1a3
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#define MT9M111_REDUCER_YSIZE_B 0x1a4
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#define MT9M111_REDUCER_XZOOM_A 0x1a6
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#define MT9M111_REDUCER_XSIZE_A 0x1a7
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#define MT9M111_REDUCER_YZOOM_A 0x1a9
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#define MT9M111_REDUCER_YSIZE_A 0x1aa
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#define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a
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#define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b
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#define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14)
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#define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14)
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#define MT9M111_OUTFMT_BYPASS_IFP (1 << 10)
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#define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9)
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#define MT9M111_OUTFMT_RGB (1 << 8)
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#define MT9M111_OUTFMT_RGB565 (0x0 << 6)
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#define MT9M111_OUTFMT_RGB555 (0x1 << 6)
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#define MT9M111_OUTFMT_RGB444x (0x2 << 6)
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#define MT9M111_OUTFMT_RGBx444 (0x3 << 6)
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#define MT9M111_OUTFMT_TST_RAMP_OFF (0x0 << 4)
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#define MT9M111_OUTFMT_TST_RAMP_COL (0x1 << 4)
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#define MT9M111_OUTFMT_TST_RAMP_ROW (0x2 << 4)
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#define MT9M111_OUTFMT_TST_RAMP_FRAME (0x3 << 4)
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#define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3)
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#define MT9M111_OUTFMT_AVG_CHROMA (1 << 2)
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#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y (1 << 1)
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#define MT9M111_OUTFMT_SWAP_RGB_EVEN (1 << 1)
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#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr (1 << 0)
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/*
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* mt9m111: Camera control register addresses (0x200..0x2ff not implemented)
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*/
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#define reg_read(reg) mt9m111_reg_read(icd, MT9M111_##reg)
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#define reg_write(reg, val) mt9m111_reg_write(icd, MT9M111_##reg, (val))
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#define reg_set(reg, val) mt9m111_reg_set(icd, MT9M111_##reg, (val))
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#define reg_clear(reg, val) mt9m111_reg_clear(icd, MT9M111_##reg, (val))
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#define MT9M111_MIN_DARK_ROWS 8
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#define MT9M111_MIN_DARK_COLS 24
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#define MT9M111_MAX_HEIGHT 1024
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#define MT9M111_MAX_WIDTH 1280
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#define COL_FMT(_name, _depth, _fourcc, _colorspace) \
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{ .name = _name, .depth = _depth, .fourcc = _fourcc, \
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.colorspace = _colorspace }
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#define RGB_FMT(_name, _depth, _fourcc) \
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COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_SRGB)
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static const struct soc_camera_data_format mt9m111_colour_formats[] = {
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COL_FMT("YCrYCb 8 bit", 8, V4L2_PIX_FMT_YUYV, V4L2_COLORSPACE_JPEG),
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RGB_FMT("RGB 565", 16, V4L2_PIX_FMT_RGB565),
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RGB_FMT("RGB 555", 16, V4L2_PIX_FMT_RGB555),
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RGB_FMT("Bayer (sRGB) 10 bit", 10, V4L2_PIX_FMT_SBGGR16),
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RGB_FMT("Bayer (sRGB) 8 bit", 8, V4L2_PIX_FMT_SBGGR8),
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};
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enum mt9m111_context {
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HIGHPOWER = 0,
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LOWPOWER,
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};
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struct mt9m111 {
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struct i2c_client *client;
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struct soc_camera_device icd;
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int model; /* V4L2_IDENT_MT9M111* codes from v4l2-chip-ident.h */
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enum mt9m111_context context;
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unsigned int left, top, width, height;
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u32 pixfmt;
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unsigned char autoexposure;
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unsigned char datawidth;
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unsigned int powered:1;
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unsigned int hflip:1;
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unsigned int vflip:1;
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unsigned int swap_rgb_even_odd:1;
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unsigned int swap_rgb_red_blue:1;
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unsigned int swap_yuv_y_chromas:1;
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unsigned int swap_yuv_cb_cr:1;
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};
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static int reg_page_map_set(struct i2c_client *client, const u16 reg)
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{
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int ret;
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u16 page;
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static int lastpage = -1; /* PageMap cache value */
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page = (reg >> 8);
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if (page == lastpage)
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return 0;
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if (page > 2)
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return -EINVAL;
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ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page));
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if (ret >= 0)
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lastpage = page;
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return ret;
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}
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static int mt9m111_reg_read(struct soc_camera_device *icd, const u16 reg)
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{
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struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
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struct i2c_client *client = mt9m111->client;
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int ret;
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ret = reg_page_map_set(client, reg);
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if (!ret)
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ret = swab16(i2c_smbus_read_word_data(client, (reg & 0xff)));
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dev_dbg(&icd->dev, "read reg.%03x -> %04x\n", reg, ret);
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return ret;
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}
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static int mt9m111_reg_write(struct soc_camera_device *icd, const u16 reg,
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const u16 data)
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{
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struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
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struct i2c_client *client = mt9m111->client;
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int ret;
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ret = reg_page_map_set(client, reg);
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if (ret >= 0)
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ret = i2c_smbus_write_word_data(mt9m111->client, (reg & 0xff),
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swab16(data));
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dev_dbg(&icd->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret);
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return ret;
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}
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static int mt9m111_reg_set(struct soc_camera_device *icd, const u16 reg,
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const u16 data)
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{
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int ret;
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ret = mt9m111_reg_read(icd, reg);
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if (ret >= 0)
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ret = mt9m111_reg_write(icd, reg, ret | data);
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return ret;
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}
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static int mt9m111_reg_clear(struct soc_camera_device *icd, const u16 reg,
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const u16 data)
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{
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int ret;
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ret = mt9m111_reg_read(icd, reg);
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return mt9m111_reg_write(icd, reg, ret & ~data);
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}
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static int mt9m111_set_context(struct soc_camera_device *icd,
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enum mt9m111_context ctxt)
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{
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int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B
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| MT9M111_CTXT_CTRL_RESIZE_B | MT9M111_CTXT_CTRL_CTRL2_B
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| MT9M111_CTXT_CTRL_GAMMA_B | MT9M111_CTXT_CTRL_READ_MODE_B
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| MT9M111_CTXT_CTRL_VBLANK_SEL_B
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| MT9M111_CTXT_CTRL_HBLANK_SEL_B;
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int valA = MT9M111_CTXT_CTRL_RESTART;
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if (ctxt == HIGHPOWER)
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return reg_write(CONTEXT_CONTROL, valB);
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else
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return reg_write(CONTEXT_CONTROL, valA);
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}
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static int mt9m111_setup_rect(struct soc_camera_device *icd)
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{
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struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
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int ret = 0, is_raw_format;
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int width = mt9m111->width;
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int height = mt9m111->height;
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if ((mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR8)
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|| (mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR16))
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is_raw_format = 1;
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else
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is_raw_format = 0;
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if (ret >= 0)
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ret = reg_write(COLUMN_START, mt9m111->left);
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if (ret >= 0)
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ret = reg_write(ROW_START, mt9m111->top);
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if (is_raw_format) {
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if (ret >= 0)
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ret = reg_write(WINDOW_WIDTH, width);
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if (ret >= 0)
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ret = reg_write(WINDOW_HEIGHT, height);
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} else {
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if (ret >= 0)
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ret = reg_write(REDUCER_XZOOM_B, MT9M111_MAX_WIDTH);
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if (ret >= 0)
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ret = reg_write(REDUCER_YZOOM_B, MT9M111_MAX_HEIGHT);
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if (ret >= 0)
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ret = reg_write(REDUCER_XSIZE_B, width);
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if (ret >= 0)
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ret = reg_write(REDUCER_YSIZE_B, height);
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if (ret >= 0)
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ret = reg_write(REDUCER_XZOOM_A, MT9M111_MAX_WIDTH);
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if (ret >= 0)
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ret = reg_write(REDUCER_YZOOM_A, MT9M111_MAX_HEIGHT);
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if (ret >= 0)
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ret = reg_write(REDUCER_XSIZE_A, width);
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if (ret >= 0)
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ret = reg_write(REDUCER_YSIZE_A, height);
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}
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return ret;
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}
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static int mt9m111_setup_pixfmt(struct soc_camera_device *icd, u16 outfmt)
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{
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int ret;
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ret = reg_write(OUTPUT_FORMAT_CTRL2_A, outfmt);
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if (ret >= 0)
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ret = reg_write(OUTPUT_FORMAT_CTRL2_B, outfmt);
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return ret;
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}
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static int mt9m111_setfmt_bayer8(struct soc_camera_device *icd)
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{
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return mt9m111_setup_pixfmt(icd, MT9M111_OUTFMT_PROCESSED_BAYER);
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}
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static int mt9m111_setfmt_bayer10(struct soc_camera_device *icd)
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{
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return mt9m111_setup_pixfmt(icd, MT9M111_OUTFMT_BYPASS_IFP);
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}
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static int mt9m111_setfmt_rgb565(struct soc_camera_device *icd)
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{
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struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
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int val = 0;
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if (mt9m111->swap_rgb_red_blue)
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val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr;
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if (mt9m111->swap_rgb_even_odd)
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val |= MT9M111_OUTFMT_SWAP_RGB_EVEN;
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val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565;
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return mt9m111_setup_pixfmt(icd, val);
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}
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static int mt9m111_setfmt_rgb555(struct soc_camera_device *icd)
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{
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struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
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int val = 0;
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if (mt9m111->swap_rgb_red_blue)
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val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr;
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if (mt9m111->swap_rgb_even_odd)
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val |= MT9M111_OUTFMT_SWAP_RGB_EVEN;
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val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555;
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return mt9m111_setup_pixfmt(icd, val);
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}
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static int mt9m111_setfmt_yuv(struct soc_camera_device *icd)
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{
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struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
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int val = 0;
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if (mt9m111->swap_yuv_cb_cr)
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val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr;
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if (mt9m111->swap_yuv_y_chromas)
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val |= MT9M111_OUTFMT_SWAP_YCbCr_C_Y;
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return mt9m111_setup_pixfmt(icd, val);
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}
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||||
|
||||
static int mt9m111_enable(struct soc_camera_device *icd)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
int ret;
|
||||
|
||||
ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE);
|
||||
if (ret >= 0)
|
||||
mt9m111->powered = 1;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mt9m111_disable(struct soc_camera_device *icd)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
int ret;
|
||||
|
||||
ret = reg_clear(RESET, MT9M111_RESET_CHIP_ENABLE);
|
||||
if (ret >= 0)
|
||||
mt9m111->powered = 0;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mt9m111_reset(struct soc_camera_device *icd)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = reg_set(RESET, MT9M111_RESET_RESET_MODE);
|
||||
if (ret >= 0)
|
||||
ret = reg_set(RESET, MT9M111_RESET_RESET_SOC);
|
||||
if (ret >= 0)
|
||||
ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE
|
||||
| MT9M111_RESET_RESET_SOC);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mt9m111_start_capture(struct soc_camera_device *icd)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mt9m111_stop_capture(struct soc_camera_device *icd)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd)
|
||||
{
|
||||
return SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING |
|
||||
SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH |
|
||||
SOCAM_DATAWIDTH_8;
|
||||
}
|
||||
|
||||
static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
int ret = 0;
|
||||
|
||||
switch (pixfmt) {
|
||||
case V4L2_PIX_FMT_SBGGR8:
|
||||
ret = mt9m111_setfmt_bayer8(icd);
|
||||
break;
|
||||
case V4L2_PIX_FMT_SBGGR16:
|
||||
ret = mt9m111_setfmt_bayer10(icd);
|
||||
break;
|
||||
case V4L2_PIX_FMT_RGB555:
|
||||
ret = mt9m111_setfmt_rgb555(icd);
|
||||
break;
|
||||
case V4L2_PIX_FMT_RGB565:
|
||||
ret = mt9m111_setfmt_rgb565(icd);
|
||||
break;
|
||||
case V4L2_PIX_FMT_YUYV:
|
||||
ret = mt9m111_setfmt_yuv(icd);
|
||||
break;
|
||||
default:
|
||||
dev_err(&icd->dev, "Pixel format not handled : %x\n", pixfmt);
|
||||
ret = -EINVAL;
|
||||
}
|
||||
|
||||
if (ret >= 0)
|
||||
mt9m111->pixfmt = pixfmt;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mt9m111_set_fmt_cap(struct soc_camera_device *icd,
|
||||
__u32 pixfmt, struct v4l2_rect *rect)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
int ret = 0;
|
||||
|
||||
mt9m111->left = rect->left;
|
||||
mt9m111->top = rect->top;
|
||||
mt9m111->width = rect->width;
|
||||
mt9m111->height = rect->height;
|
||||
|
||||
dev_dbg(&icd->dev, "%s fmt=%x left=%d, top=%d, width=%d, height=%d\n",
|
||||
__func__, pixfmt, mt9m111->left, mt9m111->top, mt9m111->width,
|
||||
mt9m111->height);
|
||||
|
||||
ret = mt9m111_setup_rect(icd);
|
||||
if (ret >= 0)
|
||||
ret = mt9m111_set_pixfmt(icd, pixfmt);
|
||||
return ret < 0 ? ret : 0;
|
||||
}
|
||||
|
||||
static int mt9m111_try_fmt_cap(struct soc_camera_device *icd,
|
||||
struct v4l2_format *f)
|
||||
{
|
||||
if (f->fmt.pix.height > MT9M111_MAX_HEIGHT)
|
||||
f->fmt.pix.height = MT9M111_MAX_HEIGHT;
|
||||
if (f->fmt.pix.width > MT9M111_MAX_WIDTH)
|
||||
f->fmt.pix.width = MT9M111_MAX_WIDTH;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mt9m111_get_chip_id(struct soc_camera_device *icd,
|
||||
struct v4l2_chip_ident *id)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
|
||||
if (id->match_type != V4L2_CHIP_MATCH_I2C_ADDR)
|
||||
return -EINVAL;
|
||||
|
||||
if (id->match_chip != mt9m111->client->addr)
|
||||
return -ENODEV;
|
||||
|
||||
id->ident = mt9m111->model;
|
||||
id->revision = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
||||
static int mt9m111_get_register(struct soc_camera_device *icd,
|
||||
struct v4l2_register *reg)
|
||||
{
|
||||
int val;
|
||||
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
|
||||
if (reg->match_type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff)
|
||||
return -EINVAL;
|
||||
if (reg->match_chip != mt9m111->client->addr)
|
||||
return -ENODEV;
|
||||
|
||||
val = mt9m111_reg_read(icd, reg->reg);
|
||||
reg->val = (u64)val;
|
||||
|
||||
if (reg->val > 0xffff)
|
||||
return -EIO;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mt9m111_set_register(struct soc_camera_device *icd,
|
||||
struct v4l2_register *reg)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
|
||||
if (reg->match_type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff)
|
||||
return -EINVAL;
|
||||
|
||||
if (reg->match_chip != mt9m111->client->addr)
|
||||
return -ENODEV;
|
||||
|
||||
if (mt9m111_reg_write(icd, reg->reg, reg->val) < 0)
|
||||
return -EIO;
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
static const struct v4l2_queryctrl mt9m111_controls[] = {
|
||||
{
|
||||
.id = V4L2_CID_VFLIP,
|
||||
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
||||
.name = "Flip Verticaly",
|
||||
.minimum = 0,
|
||||
.maximum = 1,
|
||||
.step = 1,
|
||||
.default_value = 0,
|
||||
}, {
|
||||
.id = V4L2_CID_HFLIP,
|
||||
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
||||
.name = "Flip Horizontaly",
|
||||
.minimum = 0,
|
||||
.maximum = 1,
|
||||
.step = 1,
|
||||
.default_value = 0,
|
||||
}, { /* gain = 1/32*val (=>gain=1 if val==32) */
|
||||
.id = V4L2_CID_GAIN,
|
||||
.type = V4L2_CTRL_TYPE_INTEGER,
|
||||
.name = "Gain",
|
||||
.minimum = 0,
|
||||
.maximum = 63 * 2 * 2,
|
||||
.step = 1,
|
||||
.default_value = 32,
|
||||
.flags = V4L2_CTRL_FLAG_SLIDER,
|
||||
}, {
|
||||
.id = V4L2_CID_EXPOSURE_AUTO,
|
||||
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
||||
.name = "Auto Exposure",
|
||||
.minimum = 0,
|
||||
.maximum = 1,
|
||||
.step = 1,
|
||||
.default_value = 1,
|
||||
}
|
||||
};
|
||||
|
||||
static int mt9m111_video_probe(struct soc_camera_device *);
|
||||
static void mt9m111_video_remove(struct soc_camera_device *);
|
||||
static int mt9m111_get_control(struct soc_camera_device *,
|
||||
struct v4l2_control *);
|
||||
static int mt9m111_set_control(struct soc_camera_device *,
|
||||
struct v4l2_control *);
|
||||
static int mt9m111_resume(struct soc_camera_device *icd);
|
||||
static int mt9m111_init(struct soc_camera_device *icd);
|
||||
static int mt9m111_release(struct soc_camera_device *icd);
|
||||
|
||||
static struct soc_camera_ops mt9m111_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.probe = mt9m111_video_probe,
|
||||
.remove = mt9m111_video_remove,
|
||||
.init = mt9m111_init,
|
||||
.resume = mt9m111_resume,
|
||||
.release = mt9m111_release,
|
||||
.start_capture = mt9m111_start_capture,
|
||||
.stop_capture = mt9m111_stop_capture,
|
||||
.set_fmt_cap = mt9m111_set_fmt_cap,
|
||||
.try_fmt_cap = mt9m111_try_fmt_cap,
|
||||
.query_bus_param = mt9m111_query_bus_param,
|
||||
.set_bus_param = mt9m111_set_bus_param,
|
||||
.controls = mt9m111_controls,
|
||||
.num_controls = ARRAY_SIZE(mt9m111_controls),
|
||||
.get_control = mt9m111_get_control,
|
||||
.set_control = mt9m111_set_control,
|
||||
.get_chip_id = mt9m111_get_chip_id,
|
||||
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
||||
.get_register = mt9m111_get_register,
|
||||
.set_register = mt9m111_set_register,
|
||||
#endif
|
||||
};
|
||||
|
||||
static int mt9m111_set_flip(struct soc_camera_device *icd, int flip, int mask)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
int ret;
|
||||
|
||||
if (mt9m111->context == HIGHPOWER) {
|
||||
if (flip)
|
||||
ret = reg_set(READ_MODE_B, mask);
|
||||
else
|
||||
ret = reg_clear(READ_MODE_B, mask);
|
||||
} else {
|
||||
if (flip)
|
||||
ret = reg_set(READ_MODE_A, mask);
|
||||
else
|
||||
ret = reg_clear(READ_MODE_A, mask);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mt9m111_get_global_gain(struct soc_camera_device *icd)
|
||||
{
|
||||
unsigned int data, gain;
|
||||
|
||||
data = reg_read(GLOBAL_GAIN);
|
||||
if (data >= 0)
|
||||
gain = ((data & (1 << 10)) * 2)
|
||||
| ((data & (1 << 9)) * 2)
|
||||
| (data & 0x2f);
|
||||
else
|
||||
gain = data;
|
||||
|
||||
return gain;
|
||||
}
|
||||
static int mt9m111_set_global_gain(struct soc_camera_device *icd, int gain)
|
||||
{
|
||||
u16 val;
|
||||
|
||||
if (gain > 63 * 2 * 2)
|
||||
return -EINVAL;
|
||||
|
||||
icd->gain = gain;
|
||||
if ((gain >= 64 * 2) && (gain < 63 * 2 * 2))
|
||||
val = (1 << 10) | (1 << 9) | (gain / 4);
|
||||
else if ((gain >= 64) && (gain < 64 * 2))
|
||||
val = (1<<9) | (gain / 2);
|
||||
else
|
||||
val = gain;
|
||||
|
||||
return reg_write(GLOBAL_GAIN, val);
|
||||
}
|
||||
|
||||
static int mt9m111_set_autoexposure(struct soc_camera_device *icd, int on)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
int ret;
|
||||
|
||||
if (on)
|
||||
ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
|
||||
else
|
||||
ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
|
||||
|
||||
if (ret >= 0)
|
||||
mt9m111->autoexposure = on;
|
||||
|
||||
return ret;
|
||||
}
|
||||
static int mt9m111_get_control(struct soc_camera_device *icd,
|
||||
struct v4l2_control *ctrl)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
int data;
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_VFLIP:
|
||||
if (mt9m111->context == HIGHPOWER)
|
||||
data = reg_read(READ_MODE_B);
|
||||
else
|
||||
data = reg_read(READ_MODE_A);
|
||||
|
||||
if (data < 0)
|
||||
return -EIO;
|
||||
ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS);
|
||||
break;
|
||||
case V4L2_CID_HFLIP:
|
||||
if (mt9m111->context == HIGHPOWER)
|
||||
data = reg_read(READ_MODE_B);
|
||||
else
|
||||
data = reg_read(READ_MODE_A);
|
||||
|
||||
if (data < 0)
|
||||
return -EIO;
|
||||
ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS);
|
||||
break;
|
||||
case V4L2_CID_GAIN:
|
||||
data = mt9m111_get_global_gain(icd);
|
||||
if (data < 0)
|
||||
return data;
|
||||
ctrl->value = data;
|
||||
break;
|
||||
case V4L2_CID_EXPOSURE_AUTO:
|
||||
ctrl->value = mt9m111->autoexposure;
|
||||
break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mt9m111_set_control(struct soc_camera_device *icd,
|
||||
struct v4l2_control *ctrl)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
const struct v4l2_queryctrl *qctrl;
|
||||
int ret = 0;
|
||||
|
||||
qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id);
|
||||
|
||||
if (!qctrl)
|
||||
return -EINVAL;
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_VFLIP:
|
||||
mt9m111->vflip = ctrl->value;
|
||||
ret = mt9m111_set_flip(icd, ctrl->value,
|
||||
MT9M111_RMB_MIRROR_ROWS);
|
||||
break;
|
||||
case V4L2_CID_HFLIP:
|
||||
mt9m111->hflip = ctrl->value;
|
||||
ret = mt9m111_set_flip(icd, ctrl->value,
|
||||
MT9M111_RMB_MIRROR_COLS);
|
||||
break;
|
||||
case V4L2_CID_GAIN:
|
||||
ret = mt9m111_set_global_gain(icd, ctrl->value);
|
||||
break;
|
||||
case V4L2_CID_EXPOSURE_AUTO:
|
||||
ret = mt9m111_set_autoexposure(icd, ctrl->value);
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
}
|
||||
|
||||
return ret < 0 ? -EIO : 0;
|
||||
}
|
||||
|
||||
int mt9m111_restore_state(struct soc_camera_device *icd)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
|
||||
mt9m111_set_context(icd, mt9m111->context);
|
||||
mt9m111_set_pixfmt(icd, mt9m111->pixfmt);
|
||||
mt9m111_setup_rect(icd);
|
||||
mt9m111_set_flip(icd, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS);
|
||||
mt9m111_set_flip(icd, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS);
|
||||
mt9m111_set_global_gain(icd, icd->gain);
|
||||
mt9m111_set_autoexposure(icd, mt9m111->autoexposure);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mt9m111_resume(struct soc_camera_device *icd)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
int ret = 0;
|
||||
|
||||
if (mt9m111->powered) {
|
||||
ret = mt9m111_enable(icd);
|
||||
if (ret >= 0)
|
||||
mt9m111_reset(icd);
|
||||
if (ret >= 0)
|
||||
mt9m111_restore_state(icd);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mt9m111_init(struct soc_camera_device *icd)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
int ret;
|
||||
|
||||
mt9m111->context = HIGHPOWER;
|
||||
ret = mt9m111_enable(icd);
|
||||
if (ret >= 0)
|
||||
mt9m111_reset(icd);
|
||||
if (ret >= 0)
|
||||
mt9m111_set_context(icd, mt9m111->context);
|
||||
if (ret >= 0)
|
||||
mt9m111_set_autoexposure(icd, mt9m111->autoexposure);
|
||||
if (ret < 0)
|
||||
dev_err(&icd->dev, "mt9m111 init failed: %d\n", ret);
|
||||
return ret ? -EIO : 0;
|
||||
}
|
||||
|
||||
static int mt9m111_release(struct soc_camera_device *icd)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = mt9m111_disable(icd);
|
||||
if (ret < 0)
|
||||
dev_err(&icd->dev, "mt9m111 release failed: %d\n", ret);
|
||||
|
||||
return ret ? -EIO : 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Interface active, can use i2c. If it fails, it can indeed mean, that
|
||||
* this wasn't our capture interface, so, we wait for the right one
|
||||
*/
|
||||
static int mt9m111_video_probe(struct soc_camera_device *icd)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
s32 data;
|
||||
int ret;
|
||||
|
||||
/*
|
||||
* We must have a parent by now. And it cannot be a wrong one.
|
||||
* So this entire test is completely redundant.
|
||||
*/
|
||||
if (!icd->dev.parent ||
|
||||
to_soc_camera_host(icd->dev.parent)->nr != icd->iface)
|
||||
return -ENODEV;
|
||||
|
||||
ret = mt9m111_enable(icd);
|
||||
if (ret)
|
||||
goto ei2c;
|
||||
ret = mt9m111_reset(icd);
|
||||
if (ret)
|
||||
goto ei2c;
|
||||
|
||||
data = reg_read(CHIP_VERSION);
|
||||
|
||||
switch (data) {
|
||||
case 0x143a:
|
||||
mt9m111->model = V4L2_IDENT_MT9M111;
|
||||
icd->formats = mt9m111_colour_formats;
|
||||
icd->num_formats = ARRAY_SIZE(mt9m111_colour_formats);
|
||||
break;
|
||||
default:
|
||||
ret = -ENODEV;
|
||||
dev_err(&icd->dev,
|
||||
"No MT9M111 chip detected, register read %x\n", data);
|
||||
goto ei2c;
|
||||
}
|
||||
|
||||
dev_info(&icd->dev, "Detected a MT9M111 chip ID 0x143a\n");
|
||||
|
||||
ret = soc_camera_video_start(icd);
|
||||
if (ret)
|
||||
goto eisis;
|
||||
|
||||
mt9m111->autoexposure = 1;
|
||||
|
||||
mt9m111->swap_rgb_even_odd = 1;
|
||||
mt9m111->swap_rgb_red_blue = 1;
|
||||
|
||||
return 0;
|
||||
eisis:
|
||||
ei2c:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void mt9m111_video_remove(struct soc_camera_device *icd)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
|
||||
|
||||
dev_dbg(&icd->dev, "Video %x removed: %p, %p\n", mt9m111->client->addr,
|
||||
mt9m111->icd.dev.parent, mt9m111->icd.vdev);
|
||||
soc_camera_video_stop(&mt9m111->icd);
|
||||
}
|
||||
|
||||
static int mt9m111_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *did)
|
||||
{
|
||||
struct mt9m111 *mt9m111;
|
||||
struct soc_camera_device *icd;
|
||||
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
|
||||
struct soc_camera_link *icl = client->dev.platform_data;
|
||||
int ret;
|
||||
|
||||
if (!icl) {
|
||||
dev_err(&client->dev, "MT9M111 driver needs platform data\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
|
||||
dev_warn(&adapter->dev,
|
||||
"I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
mt9m111 = kzalloc(sizeof(struct mt9m111), GFP_KERNEL);
|
||||
if (!mt9m111)
|
||||
return -ENOMEM;
|
||||
|
||||
mt9m111->client = client;
|
||||
i2c_set_clientdata(client, mt9m111);
|
||||
|
||||
/* Second stage probe - when a capture adapter is there */
|
||||
icd = &mt9m111->icd;
|
||||
icd->ops = &mt9m111_ops;
|
||||
icd->control = &client->dev;
|
||||
icd->x_min = MT9M111_MIN_DARK_COLS;
|
||||
icd->y_min = MT9M111_MIN_DARK_ROWS;
|
||||
icd->x_current = icd->x_min;
|
||||
icd->y_current = icd->y_min;
|
||||
icd->width_min = MT9M111_MIN_DARK_ROWS;
|
||||
icd->width_max = MT9M111_MAX_WIDTH;
|
||||
icd->height_min = MT9M111_MIN_DARK_COLS;
|
||||
icd->height_max = MT9M111_MAX_HEIGHT;
|
||||
icd->y_skip_top = 0;
|
||||
icd->iface = icl->bus_id;
|
||||
|
||||
ret = soc_camera_device_register(icd);
|
||||
if (ret)
|
||||
goto eisdr;
|
||||
return 0;
|
||||
|
||||
eisdr:
|
||||
kfree(mt9m111);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mt9m111_remove(struct i2c_client *client)
|
||||
{
|
||||
struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
|
||||
soc_camera_device_unregister(&mt9m111->icd);
|
||||
kfree(mt9m111);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct i2c_device_id mt9m111_id[] = {
|
||||
{ "mt9m111", 0 },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, mt9m111_id);
|
||||
|
||||
static struct i2c_driver mt9m111_i2c_driver = {
|
||||
.driver = {
|
||||
.name = "mt9m111",
|
||||
},
|
||||
.probe = mt9m111_probe,
|
||||
.remove = mt9m111_remove,
|
||||
.id_table = mt9m111_id,
|
||||
};
|
||||
|
||||
static int __init mt9m111_mod_init(void)
|
||||
{
|
||||
return i2c_add_driver(&mt9m111_i2c_driver);
|
||||
}
|
||||
|
||||
static void __exit mt9m111_mod_exit(void)
|
||||
{
|
||||
i2c_del_driver(&mt9m111_i2c_driver);
|
||||
}
|
||||
|
||||
module_init(mt9m111_mod_init);
|
||||
module_exit(mt9m111_mod_exit);
|
||||
|
||||
MODULE_DESCRIPTION("Micron MT9M111 Camera driver");
|
||||
MODULE_AUTHOR("Robert Jarzmik");
|
||||
MODULE_LICENSE("GPL");
|
||||
Loading…
Reference in New Issue