diff --git a/Documentation/admin-guide/media/i2c-cardlist.rst b/Documentation/admin-guide/media/i2c-cardlist.rst index 26827f4b4a3d..6db642460e25 100644 --- a/Documentation/admin-guide/media/i2c-cardlist.rst +++ b/Documentation/admin-guide/media/i2c-cardlist.rst @@ -73,7 +73,6 @@ imx334 Sony IMX334 sensor imx355 Sony IMX355 sensor imx412 Sony IMX412 sensor mt9m001 mt9m001 -mt9m032 MT9M032 camera sensor mt9m111 mt9m111, mt9m112 and mt9m131 mt9p031 Aptina MT9P031 mt9t001 Aptina MT9T001 diff --git a/MAINTAINERS b/MAINTAINERS index 0dfc8f3e4e2a..7f258cb5d54d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14168,14 +14168,6 @@ L: linux-mtd@lists.infradead.org S: Maintained F: drivers/mtd/devices/docg3* -MT9M032 APTINA SENSOR DRIVER -M: Laurent Pinchart -L: linux-media@vger.kernel.org -S: Maintained -T: git git://linuxtv.org/media_tree.git -F: drivers/media/i2c/mt9m032.c -F: include/media/i2c/mt9m032.h - MT9P031 APTINA CAMERA SENSOR M: Laurent Pinchart L: linux-media@vger.kernel.org diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 5be28ca5b5b2..7e5090a6a6b6 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -267,16 +267,6 @@ config VIDEO_MT9M001 This driver supports MT9M001 cameras from Micron, monochrome and colour models. -config VIDEO_MT9M032 - tristate "MT9M032 camera sensor support" - depends on I2C && VIDEO_DEV - select MEDIA_CONTROLLER - select VIDEO_V4L2_SUBDEV_API - select VIDEO_APTINA_PLL - help - This driver supports MT9M032 camera sensors from Aptina, monochrome - models only. - config VIDEO_MT9M111 tristate "mt9m111, mt9m112 and mt9m131 support" depends on I2C && VIDEO_DEV diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index f739b639b429..18844982ab3d 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -60,7 +60,6 @@ obj-$(CONFIG_VIDEO_MAX9286) += max9286.o obj-$(CONFIG_VIDEO_ML86V7667) += ml86v7667.o obj-$(CONFIG_VIDEO_MSP3400) += msp3400.o obj-$(CONFIG_VIDEO_MT9M001) += mt9m001.o -obj-$(CONFIG_VIDEO_MT9M032) += mt9m032.o obj-$(CONFIG_VIDEO_MT9M111) += mt9m111.o obj-$(CONFIG_VIDEO_MT9P031) += mt9p031.o obj-$(CONFIG_VIDEO_MT9T001) += mt9t001.o diff --git a/drivers/media/i2c/mt9m032.c b/drivers/media/i2c/mt9m032.c deleted file mode 100644 index 958cfdd73d57..000000000000 --- a/drivers/media/i2c/mt9m032.c +++ /dev/null @@ -1,891 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Driver for MT9M032 CMOS Image Sensor from Micron - * - * Copyright (C) 2010-2011 Lund Engineering - * Contact: Gil Lund - * Author: Martin Hostettler - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#include "aptina-pll.h" - -/* - * width and height include active boundary and black parts - * - * column 0- 15 active boundary - * column 16-1455 image - * column 1456-1471 active boundary - * column 1472-1599 black - * - * row 0- 51 black - * row 53- 59 active boundary - * row 60-1139 image - * row 1140-1147 active boundary - * row 1148-1151 black - */ - -#define MT9M032_PIXEL_ARRAY_WIDTH 1600 -#define MT9M032_PIXEL_ARRAY_HEIGHT 1152 - -#define MT9M032_CHIP_VERSION 0x00 -#define MT9M032_CHIP_VERSION_VALUE 0x1402 -#define MT9M032_ROW_START 0x01 -#define MT9M032_ROW_START_MIN 0 -#define MT9M032_ROW_START_MAX 1152 -#define MT9M032_ROW_START_DEF 60 -#define MT9M032_COLUMN_START 0x02 -#define MT9M032_COLUMN_START_MIN 0 -#define MT9M032_COLUMN_START_MAX 1600 -#define MT9M032_COLUMN_START_DEF 16 -#define MT9M032_ROW_SIZE 0x03 -#define MT9M032_ROW_SIZE_MIN 32 -#define MT9M032_ROW_SIZE_MAX 1152 -#define MT9M032_ROW_SIZE_DEF 1080 -#define MT9M032_COLUMN_SIZE 0x04 -#define MT9M032_COLUMN_SIZE_MIN 32 -#define MT9M032_COLUMN_SIZE_MAX 1600 -#define MT9M032_COLUMN_SIZE_DEF 1440 -#define MT9M032_HBLANK 0x05 -#define MT9M032_VBLANK 0x06 -#define MT9M032_VBLANK_MAX 0x7ff -#define MT9M032_SHUTTER_WIDTH_HIGH 0x08 -#define MT9M032_SHUTTER_WIDTH_LOW 0x09 -#define MT9M032_SHUTTER_WIDTH_MIN 1 -#define MT9M032_SHUTTER_WIDTH_MAX 1048575 -#define MT9M032_SHUTTER_WIDTH_DEF 1943 -#define MT9M032_PIX_CLK_CTRL 0x0a -#define MT9M032_PIX_CLK_CTRL_INV_PIXCLK 0x8000 -#define MT9M032_RESTART 0x0b -#define MT9M032_RESET 0x0d -#define MT9M032_PLL_CONFIG1 0x11 -#define MT9M032_PLL_CONFIG1_PREDIV_MASK 0x3f -#define MT9M032_PLL_CONFIG1_MUL_SHIFT 8 -#define MT9M032_READ_MODE1 0x1e -#define MT9M032_READ_MODE1_OUTPUT_BAD_FRAMES (1 << 13) -#define MT9M032_READ_MODE1_MAINTAIN_FRAME_RATE (1 << 12) -#define MT9M032_READ_MODE1_XOR_LINE_VALID (1 << 11) -#define MT9M032_READ_MODE1_CONT_LINE_VALID (1 << 10) -#define MT9M032_READ_MODE1_INVERT_TRIGGER (1 << 9) -#define MT9M032_READ_MODE1_SNAPSHOT (1 << 8) -#define MT9M032_READ_MODE1_GLOBAL_RESET (1 << 7) -#define MT9M032_READ_MODE1_BULB_EXPOSURE (1 << 6) -#define MT9M032_READ_MODE1_INVERT_STROBE (1 << 5) -#define MT9M032_READ_MODE1_STROBE_ENABLE (1 << 4) -#define MT9M032_READ_MODE1_STROBE_START_TRIG1 (0 << 2) -#define MT9M032_READ_MODE1_STROBE_START_EXP (1 << 2) -#define MT9M032_READ_MODE1_STROBE_START_SHUTTER (2 << 2) -#define MT9M032_READ_MODE1_STROBE_START_TRIG2 (3 << 2) -#define MT9M032_READ_MODE1_STROBE_END_TRIG1 (0 << 0) -#define MT9M032_READ_MODE1_STROBE_END_EXP (1 << 0) -#define MT9M032_READ_MODE1_STROBE_END_SHUTTER (2 << 0) -#define MT9M032_READ_MODE1_STROBE_END_TRIG2 (3 << 0) -#define MT9M032_READ_MODE2 0x20 -#define MT9M032_READ_MODE2_VFLIP_SHIFT 15 -#define MT9M032_READ_MODE2_HFLIP_SHIFT 14 -#define MT9M032_READ_MODE2_ROW_BLC 0x40 -#define MT9M032_GAIN_GREEN1 0x2b -#define MT9M032_GAIN_BLUE 0x2c -#define MT9M032_GAIN_RED 0x2d -#define MT9M032_GAIN_GREEN2 0x2e - -/* write only */ -#define MT9M032_GAIN_ALL 0x35 -#define MT9M032_GAIN_DIGITAL_MASK 0x7f -#define MT9M032_GAIN_DIGITAL_SHIFT 8 -#define MT9M032_GAIN_AMUL_SHIFT 6 -#define MT9M032_GAIN_ANALOG_MASK 0x3f -#define MT9M032_FORMATTER1 0x9e -#define MT9M032_FORMATTER1_PLL_P1_6 (1 << 8) -#define MT9M032_FORMATTER1_PARALLEL (1 << 12) -#define MT9M032_FORMATTER2 0x9f -#define MT9M032_FORMATTER2_DOUT_EN 0x1000 -#define MT9M032_FORMATTER2_PIXCLK_EN 0x2000 - -/* - * The available MT9M032 datasheet is missing documentation for register 0x10 - * MT9P031 seems to be close enough, so use constants from that datasheet for - * now. - * But keep the name MT9P031 to remind us, that this isn't really confirmed - * for this sensor. - */ -#define MT9P031_PLL_CONTROL 0x10 -#define MT9P031_PLL_CONTROL_PWROFF 0x0050 -#define MT9P031_PLL_CONTROL_PWRON 0x0051 -#define MT9P031_PLL_CONTROL_USEPLL 0x0052 - -struct mt9m032 { - struct v4l2_subdev subdev; - struct media_pad pad; - struct mt9m032_platform_data *pdata; - - unsigned int pix_clock; - - struct v4l2_ctrl_handler ctrls; - struct { - struct v4l2_ctrl *hflip; - struct v4l2_ctrl *vflip; - }; - - struct mutex lock; /* Protects streaming, format, interval and crop */ - - bool streaming; - - struct v4l2_mbus_framefmt format; - struct v4l2_rect crop; - struct v4l2_fract frame_interval; -}; - -#define to_mt9m032(sd) container_of(sd, struct mt9m032, subdev) -#define to_dev(sensor) \ - (&((struct i2c_client *)v4l2_get_subdevdata(&(sensor)->subdev))->dev) - -static int mt9m032_read(struct i2c_client *client, u8 reg) -{ - return i2c_smbus_read_word_swapped(client, reg); -} - -static int mt9m032_write(struct i2c_client *client, u8 reg, const u16 data) -{ - return i2c_smbus_write_word_swapped(client, reg, data); -} - -static u32 mt9m032_row_time(struct mt9m032 *sensor, unsigned int width) -{ - unsigned int effective_width; - u32 ns; - - effective_width = width + 716; /* empirical value */ - ns = div_u64(1000000000ULL * effective_width, sensor->pix_clock); - dev_dbg(to_dev(sensor), "MT9M032 line time: %u ns\n", ns); - return ns; -} - -static int mt9m032_update_timing(struct mt9m032 *sensor, - struct v4l2_fract *interval) -{ - struct i2c_client *client = v4l2_get_subdevdata(&sensor->subdev); - struct v4l2_rect *crop = &sensor->crop; - unsigned int min_vblank; - unsigned int vblank; - u32 row_time; - - if (!interval) - interval = &sensor->frame_interval; - - row_time = mt9m032_row_time(sensor, crop->width); - - vblank = div_u64(1000000000ULL * interval->numerator, - (u64)row_time * interval->denominator) - - crop->height; - - if (vblank > MT9M032_VBLANK_MAX) { - /* hardware limits to 11 bit values */ - interval->denominator = 1000; - interval->numerator = - div_u64((crop->height + MT9M032_VBLANK_MAX) * - (u64)row_time * interval->denominator, - 1000000000ULL); - vblank = div_u64(1000000000ULL * interval->numerator, - (u64)row_time * interval->denominator) - - crop->height; - } - /* enforce minimal 1.6ms blanking time. */ - min_vblank = 1600000 / row_time; - vblank = clamp_t(unsigned int, vblank, min_vblank, MT9M032_VBLANK_MAX); - - return mt9m032_write(client, MT9M032_VBLANK, vblank); -} - -static int mt9m032_update_geom_timing(struct mt9m032 *sensor) -{ - struct i2c_client *client = v4l2_get_subdevdata(&sensor->subdev); - int ret; - - ret = mt9m032_write(client, MT9M032_COLUMN_SIZE, - sensor->crop.width - 1); - if (!ret) - ret = mt9m032_write(client, MT9M032_ROW_SIZE, - sensor->crop.height - 1); - if (!ret) - ret = mt9m032_write(client, MT9M032_COLUMN_START, - sensor->crop.left); - if (!ret) - ret = mt9m032_write(client, MT9M032_ROW_START, - sensor->crop.top); - if (!ret) - ret = mt9m032_update_timing(sensor, NULL); - return ret; -} - -static int update_formatter2(struct mt9m032 *sensor, bool streaming) -{ - struct i2c_client *client = v4l2_get_subdevdata(&sensor->subdev); - u16 reg_val = MT9M032_FORMATTER2_DOUT_EN - | 0x0070; /* parts reserved! */ - /* possibly for changing to 14-bit mode */ - - if (streaming) - reg_val |= MT9M032_FORMATTER2_PIXCLK_EN; /* pixclock enable */ - - return mt9m032_write(client, MT9M032_FORMATTER2, reg_val); -} - -static int mt9m032_setup_pll(struct mt9m032 *sensor) -{ - static const struct aptina_pll_limits limits = { - .ext_clock_min = 8000000, - .ext_clock_max = 16500000, - .int_clock_min = 2000000, - .int_clock_max = 24000000, - .out_clock_min = 322000000, - .out_clock_max = 693000000, - .pix_clock_max = 99000000, - .n_min = 1, - .n_max = 64, - .m_min = 16, - .m_max = 255, - .p1_min = 6, - .p1_max = 7, - }; - - struct i2c_client *client = v4l2_get_subdevdata(&sensor->subdev); - struct mt9m032_platform_data *pdata = sensor->pdata; - struct aptina_pll pll; - u16 reg_val; - int ret; - - pll.ext_clock = pdata->ext_clock; - pll.pix_clock = pdata->pix_clock; - - ret = aptina_pll_calculate(&client->dev, &limits, &pll); - if (ret < 0) - return ret; - - sensor->pix_clock = pdata->pix_clock; - - ret = mt9m032_write(client, MT9M032_PLL_CONFIG1, - (pll.m << MT9M032_PLL_CONFIG1_MUL_SHIFT) | - ((pll.n - 1) & MT9M032_PLL_CONFIG1_PREDIV_MASK)); - if (!ret) - ret = mt9m032_write(client, MT9P031_PLL_CONTROL, - MT9P031_PLL_CONTROL_PWRON | - MT9P031_PLL_CONTROL_USEPLL); - if (!ret) /* more reserved, Continuous, Master Mode */ - ret = mt9m032_write(client, MT9M032_READ_MODE1, 0x8000 | - MT9M032_READ_MODE1_STROBE_START_EXP | - MT9M032_READ_MODE1_STROBE_END_SHUTTER); - if (!ret) { - reg_val = (pll.p1 == 6 ? MT9M032_FORMATTER1_PLL_P1_6 : 0) - | MT9M032_FORMATTER1_PARALLEL | 0x001e; /* 14-bit */ - ret = mt9m032_write(client, MT9M032_FORMATTER1, reg_val); - } - - return ret; -} - -/* ----------------------------------------------------------------------------- - * Subdev pad operations - */ - -static int mt9m032_enum_mbus_code(struct v4l2_subdev *subdev, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_mbus_code_enum *code) -{ - if (code->index != 0) - return -EINVAL; - - code->code = MEDIA_BUS_FMT_Y8_1X8; - return 0; -} - -static int mt9m032_enum_frame_size(struct v4l2_subdev *subdev, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_frame_size_enum *fse) -{ - if (fse->index != 0 || fse->code != MEDIA_BUS_FMT_Y8_1X8) - return -EINVAL; - - fse->min_width = MT9M032_COLUMN_SIZE_DEF; - fse->max_width = MT9M032_COLUMN_SIZE_DEF; - fse->min_height = MT9M032_ROW_SIZE_DEF; - fse->max_height = MT9M032_ROW_SIZE_DEF; - - return 0; -} - -/** - * __mt9m032_get_pad_crop() - get crop rect - * @sensor: pointer to the sensor struct - * @sd_state: v4l2_subdev_state for getting the try crop rect from - * @which: select try or active crop rect - * - * Returns a pointer the current active or fh relative try crop rect - */ -static struct v4l2_rect * -__mt9m032_get_pad_crop(struct mt9m032 *sensor, - struct v4l2_subdev_state *sd_state, - enum v4l2_subdev_format_whence which) -{ - switch (which) { - case V4L2_SUBDEV_FORMAT_TRY: - return v4l2_subdev_get_try_crop(&sensor->subdev, sd_state, 0); - case V4L2_SUBDEV_FORMAT_ACTIVE: - return &sensor->crop; - default: - return NULL; - } -} - -/** - * __mt9m032_get_pad_format() - get format - * @sensor: pointer to the sensor struct - * @sd_state: v4l2_subdev_state for getting the try format from - * @which: select try or active format - * - * Returns a pointer the current active or fh relative try format - */ -static struct v4l2_mbus_framefmt * -__mt9m032_get_pad_format(struct mt9m032 *sensor, - struct v4l2_subdev_state *sd_state, - enum v4l2_subdev_format_whence which) -{ - switch (which) { - case V4L2_SUBDEV_FORMAT_TRY: - return v4l2_subdev_get_try_format(&sensor->subdev, sd_state, - 0); - case V4L2_SUBDEV_FORMAT_ACTIVE: - return &sensor->format; - default: - return NULL; - } -} - -static int mt9m032_get_pad_format(struct v4l2_subdev *subdev, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_format *fmt) -{ - struct mt9m032 *sensor = to_mt9m032(subdev); - - mutex_lock(&sensor->lock); - fmt->format = *__mt9m032_get_pad_format(sensor, sd_state, fmt->which); - mutex_unlock(&sensor->lock); - - return 0; -} - -static int mt9m032_set_pad_format(struct v4l2_subdev *subdev, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_format *fmt) -{ - struct mt9m032 *sensor = to_mt9m032(subdev); - int ret; - - mutex_lock(&sensor->lock); - - if (sensor->streaming && fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) { - ret = -EBUSY; - goto done; - } - - /* Scaling is not supported, the format is thus fixed. */ - fmt->format = *__mt9m032_get_pad_format(sensor, sd_state, fmt->which); - ret = 0; - -done: - mutex_unlock(&sensor->lock); - return ret; -} - -static int mt9m032_get_pad_selection(struct v4l2_subdev *subdev, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_selection *sel) -{ - struct mt9m032 *sensor = to_mt9m032(subdev); - - if (sel->target != V4L2_SEL_TGT_CROP) - return -EINVAL; - - mutex_lock(&sensor->lock); - sel->r = *__mt9m032_get_pad_crop(sensor, sd_state, sel->which); - mutex_unlock(&sensor->lock); - - return 0; -} - -static int mt9m032_set_pad_selection(struct v4l2_subdev *subdev, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_selection *sel) -{ - struct mt9m032 *sensor = to_mt9m032(subdev); - struct v4l2_mbus_framefmt *format; - struct v4l2_rect *__crop; - struct v4l2_rect rect; - int ret = 0; - - if (sel->target != V4L2_SEL_TGT_CROP) - return -EINVAL; - - mutex_lock(&sensor->lock); - - if (sensor->streaming && sel->which == V4L2_SUBDEV_FORMAT_ACTIVE) { - ret = -EBUSY; - goto done; - } - - /* Clamp the crop rectangle boundaries and align them to a multiple of 2 - * pixels to ensure a GRBG Bayer pattern. - */ - rect.left = clamp(ALIGN(sel->r.left, 2), MT9M032_COLUMN_START_MIN, - MT9M032_COLUMN_START_MAX); - rect.top = clamp(ALIGN(sel->r.top, 2), MT9M032_ROW_START_MIN, - MT9M032_ROW_START_MAX); - rect.width = clamp_t(unsigned int, ALIGN(sel->r.width, 2), - MT9M032_COLUMN_SIZE_MIN, MT9M032_COLUMN_SIZE_MAX); - rect.height = clamp_t(unsigned int, ALIGN(sel->r.height, 2), - MT9M032_ROW_SIZE_MIN, MT9M032_ROW_SIZE_MAX); - - rect.width = min_t(unsigned int, rect.width, - MT9M032_PIXEL_ARRAY_WIDTH - rect.left); - rect.height = min_t(unsigned int, rect.height, - MT9M032_PIXEL_ARRAY_HEIGHT - rect.top); - - __crop = __mt9m032_get_pad_crop(sensor, sd_state, sel->which); - - if (rect.width != __crop->width || rect.height != __crop->height) { - /* Reset the output image size if the crop rectangle size has - * been modified. - */ - format = __mt9m032_get_pad_format(sensor, sd_state, - sel->which); - format->width = rect.width; - format->height = rect.height; - } - - *__crop = rect; - sel->r = rect; - - if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE) - ret = mt9m032_update_geom_timing(sensor); - -done: - mutex_unlock(&sensor->lock); - return ret; -} - -static int mt9m032_get_frame_interval(struct v4l2_subdev *subdev, - struct v4l2_subdev_frame_interval *fi) -{ - struct mt9m032 *sensor = to_mt9m032(subdev); - - mutex_lock(&sensor->lock); - memset(fi, 0, sizeof(*fi)); - fi->interval = sensor->frame_interval; - mutex_unlock(&sensor->lock); - - return 0; -} - -static int mt9m032_set_frame_interval(struct v4l2_subdev *subdev, - struct v4l2_subdev_frame_interval *fi) -{ - struct mt9m032 *sensor = to_mt9m032(subdev); - int ret; - - mutex_lock(&sensor->lock); - - if (sensor->streaming) { - ret = -EBUSY; - goto done; - } - - /* Avoid divisions by 0. */ - if (fi->interval.denominator == 0) - fi->interval.denominator = 1; - - ret = mt9m032_update_timing(sensor, &fi->interval); - if (!ret) - sensor->frame_interval = fi->interval; - -done: - mutex_unlock(&sensor->lock); - return ret; -} - -static int mt9m032_s_stream(struct v4l2_subdev *subdev, int streaming) -{ - struct mt9m032 *sensor = to_mt9m032(subdev); - int ret; - - mutex_lock(&sensor->lock); - ret = update_formatter2(sensor, streaming); - if (!ret) - sensor->streaming = streaming; - mutex_unlock(&sensor->lock); - - return ret; -} - -/* ----------------------------------------------------------------------------- - * V4L2 subdev core operations - */ - -#ifdef CONFIG_VIDEO_ADV_DEBUG -static int mt9m032_g_register(struct v4l2_subdev *sd, - struct v4l2_dbg_register *reg) -{ - struct mt9m032 *sensor = to_mt9m032(sd); - struct i2c_client *client = v4l2_get_subdevdata(&sensor->subdev); - int val; - - if (reg->reg > 0xff) - return -EINVAL; - - val = mt9m032_read(client, reg->reg); - if (val < 0) - return -EIO; - - reg->size = 2; - reg->val = val; - - return 0; -} - -static int mt9m032_s_register(struct v4l2_subdev *sd, - const struct v4l2_dbg_register *reg) -{ - struct mt9m032 *sensor = to_mt9m032(sd); - struct i2c_client *client = v4l2_get_subdevdata(&sensor->subdev); - - if (reg->reg > 0xff) - return -EINVAL; - - return mt9m032_write(client, reg->reg, reg->val); -} -#endif - -/* ----------------------------------------------------------------------------- - * V4L2 subdev control operations - */ - -static int update_read_mode2(struct mt9m032 *sensor, bool vflip, bool hflip) -{ - struct i2c_client *client = v4l2_get_subdevdata(&sensor->subdev); - int reg_val = (vflip << MT9M032_READ_MODE2_VFLIP_SHIFT) - | (hflip << MT9M032_READ_MODE2_HFLIP_SHIFT) - | MT9M032_READ_MODE2_ROW_BLC - | 0x0007; - - return mt9m032_write(client, MT9M032_READ_MODE2, reg_val); -} - -static int mt9m032_set_gain(struct mt9m032 *sensor, s32 val) -{ - struct i2c_client *client = v4l2_get_subdevdata(&sensor->subdev); - int digital_gain_val; /* in 1/8th (0..127) */ - int analog_mul; /* 0 or 1 */ - int analog_gain_val; /* in 1/16th. (0..63) */ - u16 reg_val; - - digital_gain_val = 51; /* from setup example */ - - if (val < 63) { - analog_mul = 0; - analog_gain_val = val; - } else { - analog_mul = 1; - analog_gain_val = val / 2; - } - - /* a_gain = (1 + analog_mul) + (analog_gain_val + 1) / 16 */ - /* overall_gain = a_gain * (1 + digital_gain_val / 8) */ - - reg_val = ((digital_gain_val & MT9M032_GAIN_DIGITAL_MASK) - << MT9M032_GAIN_DIGITAL_SHIFT) - | ((analog_mul & 1) << MT9M032_GAIN_AMUL_SHIFT) - | (analog_gain_val & MT9M032_GAIN_ANALOG_MASK); - - return mt9m032_write(client, MT9M032_GAIN_ALL, reg_val); -} - -static int mt9m032_try_ctrl(struct v4l2_ctrl *ctrl) -{ - if (ctrl->id == V4L2_CID_GAIN && ctrl->val >= 63) { - /* round because of multiplier used for values >= 63 */ - ctrl->val &= ~1; - } - - return 0; -} - -static int mt9m032_set_ctrl(struct v4l2_ctrl *ctrl) -{ - struct mt9m032 *sensor = - container_of(ctrl->handler, struct mt9m032, ctrls); - struct i2c_client *client = v4l2_get_subdevdata(&sensor->subdev); - int ret; - - switch (ctrl->id) { - case V4L2_CID_GAIN: - return mt9m032_set_gain(sensor, ctrl->val); - - case V4L2_CID_HFLIP: - /* case V4L2_CID_VFLIP: -- In the same cluster */ - return update_read_mode2(sensor, sensor->vflip->val, - sensor->hflip->val); - - case V4L2_CID_EXPOSURE: - ret = mt9m032_write(client, MT9M032_SHUTTER_WIDTH_HIGH, - (ctrl->val >> 16) & 0xffff); - if (ret < 0) - return ret; - - return mt9m032_write(client, MT9M032_SHUTTER_WIDTH_LOW, - ctrl->val & 0xffff); - } - - return 0; -} - -static const struct v4l2_ctrl_ops mt9m032_ctrl_ops = { - .s_ctrl = mt9m032_set_ctrl, - .try_ctrl = mt9m032_try_ctrl, -}; - -/* -------------------------------------------------------------------------- */ - -static const struct v4l2_subdev_core_ops mt9m032_core_ops = { -#ifdef CONFIG_VIDEO_ADV_DEBUG - .g_register = mt9m032_g_register, - .s_register = mt9m032_s_register, -#endif -}; - -static const struct v4l2_subdev_video_ops mt9m032_video_ops = { - .s_stream = mt9m032_s_stream, - .g_frame_interval = mt9m032_get_frame_interval, - .s_frame_interval = mt9m032_set_frame_interval, -}; - -static const struct v4l2_subdev_pad_ops mt9m032_pad_ops = { - .enum_mbus_code = mt9m032_enum_mbus_code, - .enum_frame_size = mt9m032_enum_frame_size, - .get_fmt = mt9m032_get_pad_format, - .set_fmt = mt9m032_set_pad_format, - .set_selection = mt9m032_set_pad_selection, - .get_selection = mt9m032_get_pad_selection, -}; - -static const struct v4l2_subdev_ops mt9m032_ops = { - .core = &mt9m032_core_ops, - .video = &mt9m032_video_ops, - .pad = &mt9m032_pad_ops, -}; - -/* ----------------------------------------------------------------------------- - * Driver initialization and probing - */ - -static int mt9m032_probe(struct i2c_client *client) -{ - struct mt9m032_platform_data *pdata = client->dev.platform_data; - struct i2c_adapter *adapter = client->adapter; - struct mt9m032 *sensor; - int chip_version; - int ret; - - if (pdata == NULL) { - dev_err(&client->dev, "No platform data\n"); - return -EINVAL; - } - - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { - dev_warn(&client->dev, - "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); - return -EIO; - } - - if (!client->dev.platform_data) - return -ENODEV; - - sensor = devm_kzalloc(&client->dev, sizeof(*sensor), GFP_KERNEL); - if (sensor == NULL) - return -ENOMEM; - - mutex_init(&sensor->lock); - - sensor->pdata = pdata; - - v4l2_i2c_subdev_init(&sensor->subdev, client, &mt9m032_ops); - sensor->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - - chip_version = mt9m032_read(client, MT9M032_CHIP_VERSION); - if (chip_version != MT9M032_CHIP_VERSION_VALUE) { - dev_err(&client->dev, "MT9M032 not detected, wrong version " - "0x%04x\n", chip_version); - ret = -ENODEV; - goto error_sensor; - } - - dev_info(&client->dev, "MT9M032 detected at address 0x%02x\n", - client->addr); - - sensor->frame_interval.numerator = 1; - sensor->frame_interval.denominator = 30; - - sensor->crop.left = MT9M032_COLUMN_START_DEF; - sensor->crop.top = MT9M032_ROW_START_DEF; - sensor->crop.width = MT9M032_COLUMN_SIZE_DEF; - sensor->crop.height = MT9M032_ROW_SIZE_DEF; - - sensor->format.width = sensor->crop.width; - sensor->format.height = sensor->crop.height; - sensor->format.code = MEDIA_BUS_FMT_Y8_1X8; - sensor->format.field = V4L2_FIELD_NONE; - sensor->format.colorspace = V4L2_COLORSPACE_SRGB; - - v4l2_ctrl_handler_init(&sensor->ctrls, 5); - - v4l2_ctrl_new_std(&sensor->ctrls, &mt9m032_ctrl_ops, - V4L2_CID_GAIN, 0, 127, 1, 64); - - sensor->hflip = v4l2_ctrl_new_std(&sensor->ctrls, - &mt9m032_ctrl_ops, - V4L2_CID_HFLIP, 0, 1, 1, 0); - sensor->vflip = v4l2_ctrl_new_std(&sensor->ctrls, - &mt9m032_ctrl_ops, - V4L2_CID_VFLIP, 0, 1, 1, 0); - - v4l2_ctrl_new_std(&sensor->ctrls, &mt9m032_ctrl_ops, - V4L2_CID_EXPOSURE, MT9M032_SHUTTER_WIDTH_MIN, - MT9M032_SHUTTER_WIDTH_MAX, 1, - MT9M032_SHUTTER_WIDTH_DEF); - v4l2_ctrl_new_std(&sensor->ctrls, &mt9m032_ctrl_ops, - V4L2_CID_PIXEL_RATE, pdata->pix_clock, - pdata->pix_clock, 1, pdata->pix_clock); - - if (sensor->ctrls.error) { - ret = sensor->ctrls.error; - dev_err(&client->dev, "control initialization error %d\n", ret); - goto error_ctrl; - } - - v4l2_ctrl_cluster(2, &sensor->hflip); - - sensor->subdev.ctrl_handler = &sensor->ctrls; - sensor->subdev.entity.function = MEDIA_ENT_F_CAM_SENSOR; - sensor->pad.flags = MEDIA_PAD_FL_SOURCE; - ret = media_entity_pads_init(&sensor->subdev.entity, 1, &sensor->pad); - if (ret < 0) - goto error_ctrl; - - ret = mt9m032_write(client, MT9M032_RESET, 1); /* reset on */ - if (ret < 0) - goto error_entity; - ret = mt9m032_write(client, MT9M032_RESET, 0); /* reset off */ - if (ret < 0) - goto error_entity; - - ret = mt9m032_setup_pll(sensor); - if (ret < 0) - goto error_entity; - usleep_range(10000, 11000); - - ret = v4l2_ctrl_handler_setup(&sensor->ctrls); - if (ret < 0) - goto error_entity; - - /* SIZE */ - ret = mt9m032_update_geom_timing(sensor); - if (ret < 0) - goto error_entity; - - ret = mt9m032_write(client, 0x41, 0x0000); /* reserved !!! */ - if (ret < 0) - goto error_entity; - ret = mt9m032_write(client, 0x42, 0x0003); /* reserved !!! */ - if (ret < 0) - goto error_entity; - ret = mt9m032_write(client, 0x43, 0x0003); /* reserved !!! */ - if (ret < 0) - goto error_entity; - ret = mt9m032_write(client, 0x7f, 0x0000); /* reserved !!! */ - if (ret < 0) - goto error_entity; - if (sensor->pdata->invert_pixclock) { - ret = mt9m032_write(client, MT9M032_PIX_CLK_CTRL, - MT9M032_PIX_CLK_CTRL_INV_PIXCLK); - if (ret < 0) - goto error_entity; - } - - ret = mt9m032_write(client, MT9M032_RESTART, 1); /* Restart on */ - if (ret < 0) - goto error_entity; - msleep(100); - ret = mt9m032_write(client, MT9M032_RESTART, 0); /* Restart off */ - if (ret < 0) - goto error_entity; - msleep(100); - ret = update_formatter2(sensor, false); - if (ret < 0) - goto error_entity; - - return ret; - -error_entity: - media_entity_cleanup(&sensor->subdev.entity); -error_ctrl: - v4l2_ctrl_handler_free(&sensor->ctrls); -error_sensor: - mutex_destroy(&sensor->lock); - return ret; -} - -static void mt9m032_remove(struct i2c_client *client) -{ - struct v4l2_subdev *subdev = i2c_get_clientdata(client); - struct mt9m032 *sensor = to_mt9m032(subdev); - - v4l2_device_unregister_subdev(subdev); - v4l2_ctrl_handler_free(&sensor->ctrls); - media_entity_cleanup(&subdev->entity); - mutex_destroy(&sensor->lock); -} - -static const struct i2c_device_id mt9m032_id_table[] = { - { MT9M032_NAME, 0 }, - { } -}; - -MODULE_DEVICE_TABLE(i2c, mt9m032_id_table); - -static struct i2c_driver mt9m032_i2c_driver = { - .driver = { - .name = MT9M032_NAME, - }, - .probe_new = mt9m032_probe, - .remove = mt9m032_remove, - .id_table = mt9m032_id_table, -}; - -module_i2c_driver(mt9m032_i2c_driver); - -MODULE_AUTHOR("Martin Hostettler "); -MODULE_DESCRIPTION("MT9M032 camera sensor driver"); -MODULE_LICENSE("GPL v2"); diff --git a/include/media/i2c/mt9m032.h b/include/media/i2c/mt9m032.h deleted file mode 100644 index 1bd58757717a..000000000000 --- a/include/media/i2c/mt9m032.h +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Driver for MT9M032 CMOS Image Sensor from Micron - * - * Copyright (C) 2010-2011 Lund Engineering - * Contact: Gil Lund - * Author: Martin Hostettler - */ - -#ifndef MT9M032_H -#define MT9M032_H - -#define MT9M032_NAME "mt9m032" -#define MT9M032_I2C_ADDR (0xb8 >> 1) - -struct mt9m032_platform_data { - u32 ext_clock; - u32 pix_clock; - bool invert_pixclock; - -}; -#endif /* MT9M032_H */