This driver adds basic support for Aptina ar0130 1.2M sensor.
Signed-off-by: Prashanth Subramanya <sprashanth@xxxxxxxxxx>
---
drivers/media/video/Kconfig | 7 +
drivers/media/video/Makefile | 1 +
drivers/media/video/ar0130.c | 1114 +++++++++++++++++++++++++++++++++++++
drivers/media/video/ar0130_regs.h | 107 ++++
include/media/ar0130.h | 52 ++
include/media/v4l2-chip-ident.h | 1 +
6 files changed, 1282 insertions(+)
create mode 100644 drivers/media/video/ar0130.c
create mode 100644 drivers/media/video/ar0130_regs.h
create mode 100644 include/media/ar0130.h
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 99937c9..54d7063 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -493,6 +493,13 @@ config VIDEO_VS6624
To compile this driver as a module, choose M here: the
module will be called vs6624.
+config VIDEO_AR0130
+ tristate "Aptina AR0130 support"
+ depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
+ ---help---
+ This is a Video4Linux2 sensor-level driver for the Aptina
+ ar0130 1.2 Mpixel camera.
+
config VIDEO_MT9M032
tristate "MT9M032 camera sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index d209de0..a208911 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -70,6 +70,7 @@ obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o
obj-$(CONFIG_VIDEO_OV7670) += ov7670.o
obj-$(CONFIG_VIDEO_TCM825X) += tcm825x.o
obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o
+obj-$(CONFIG_VIDEO_AR0130) += ar0130.o
obj-$(CONFIG_VIDEO_MT9M032) += mt9m032.o
obj-$(CONFIG_VIDEO_MT9P031) += mt9p031.o
obj-$(CONFIG_VIDEO_MT9T001) += mt9t001.o
diff --git a/drivers/media/video/ar0130.c b/drivers/media/video/ar0130.c
new file mode 100644
index 0000000..d257fe8
--- /dev/null
+++ b/drivers/media/video/ar0130.c
@@ -0,0 +1,1114 @@
+/*
+ * drivers/media/video/ar0130.c
+ *
+ * Aptina AR0130 sensor driver
+ *
+ * Copyright (C) 2012 Aptina Imaging
+ *
+ * Contributor Prashanth Subramanya <sprashanth@xxxxxxxxxx>
+ *
+ * Based on MT9P031 driver
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/log2.h>
+#include <linux/pm.h>
+#include <linux/slab.h>
+#include <media/v4l2-subdev.h>
+#include <linux/videodev2.h>
+#include <linux/module.h>
+
+#include <media/ar0130.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-subdev.h>
+#include <media/soc_camera.h>
+#include "ar0130_regs.h"
+
+#define AR0130_ROW_START_MIN 0
+#define AR0130_ROW_START_MAX 1280
+#define AR0130_ROW_START_DEF 0
+#define AR0130_COLUMN_START_MIN 0
+#define AR0130_COLUMN_START_MAX 960
+#define AR0130_COLUMN_START_DEF 0
+#define AR0130_WINDOW_HEIGHT_MIN 360
+#define AR0130_WINDOW_HEIGHT_MAX 960
+#define AR0130_WINDOW_HEIGHT_DEF 960
+#define AR0130_WINDOW_WIDTH_MIN 640
+#define AR0130_WINDOW_WIDTH_MAX 1280
+#define AR0130_WINDOW_WIDTH_DEF 1280
+
+#define AR0130_VGA_WIDTH 640
+#define AR0130_VGA_HEIGHT 480
+#define AR0130_ENABLE 1
+#define AR0130_DISABLE 0
+
+#define AR0130_CHIP_VERSION_REG 0x3000
+#define AR0130_CHIP_ID 0x2402
+#define AR0130_RESET_REG 0x301A
+#define AR0130_STREAM_ON 0x10DC
+#define AR0130_STREAM_OFF 0x10D8
+#define AR0130_SEQ_PORT 0x3086
+#define AR0130_SEQ_PORT_CTRL 0x3088
+#define AR0130_TEST_REG 0x3070
+#define AR0130_TEST_PATTERN_DISABLE 0x0000
+#define AR0130_TEST_PATTERN_ENABLE 0x0002
+/*
+@AR0130_TEST_PATTERN
+0 = Normal operation. Generate output data from pixel array
+1 = Solid color test pattern.
+2 = Full color bar test pattern
+3 = Fade to grey color bar test pattern
+256 = Marching 1 test pattern (12 bit)
+*/
+
+#define AR0130_DCDS_PROG_START_ADDR 0x309E
+#define AR0130_ADC_BITS_6_7 0x30E4
+#define AR0130_ADC_BITS_4_5 0x30E2
+#define AR0130_ADC_BITS_2_3 0x30E0
+#define AR0130_ADC_CONFIG1 0x30E6
+#define AR0130_ADC_CONFIG2 0x30E8
+
+#define AR0130_VT_SYS_CLK_DIV 0x302C
+#define AR0130_VT_PIX_CLK_DIV 0x302A
+#define AR0130_PRE_PLL_CLK_DIV 0x302E
+#define AR0130_PLL_MULTIPLIER 0x3030
+#define AR0130_DIGITAL_TEST 0x30B0
+
+#define AR0130_OPERATION_MODE_CTRL 0x3082
+#define AR0130_COLUMN_CORRECTION 0x30D4
+#define AR0130_DARK_CONTROL 0x3044
+#define AR0130_DAC_LD_14_15 0x3EDA
+#define AR0130_DAC_LD_12_13 0x3ED8
+#define AR0130_COARSE_INTEGRATION_TIME 0x3012
+
+#define AR0130_DIGITAL_BINNING 0x3032
+#define AR0130_Y_ADDR_START 0x3002
+#define AR0130_X_ADDR_START 0x3004
+#define AR0130_Y_ADDR_END 0x3006
+#define AR0130_X_ADDR_END 0x3008
+#define AR0130_FRAME_LENGTH_LINES 0x300A
+#define AR0130_LINE_LENGTH_PCK 0x300C
+#define AR0130_DATAPATH_SELECT 0x306E
+#define AR0130_EMBEDDED_DATA_CTRL 0x3064
+#define AR0130_AE_CTRL_REG 0x3100
+#define AR0130_AE_DCG_EXP_HIGH_REG 0x3112
+#define AR0130_AE_DCG_EXP_LOW_REG 0x3114
+#define AR0130_AE_DCG_G_FACTOR 0x3116
+#define AR0130_AE_DCG_G_FACTOR_INV 0x3118
+#define AR0130_AE_LUMA_TARGET_REG 0x3102
+#define AR0130_AE_HIST_TARGET_REG 0x3104
+#define AR0130_AE_ALPHA_V1_REG 0x3126
+#define AR0130_AE_MAX_EXPOSURE_REG 0x311C
+#define AR0130_AE_MIN_EXPOSURE_REG 0x311E
+#define AR0130_AE_CTRL_REG 0x3100
+#define AR0130_HDR_COMP 0x31D0
+
+#define AR0130_READ_MODE 0x3040
+#define AR0130_HFLIP_ENABLE 0x4000
+#define AR0130_HFLIP_DISABLE 0xBFFF
+#define AR0130_VFLIP_ENABLE 0x8000
+#define AR0130_VFLIP_DISABLE 0x7FFF
+
+#define AR0130_GLOBAL_GAIN_MIN 0x00
+#define AR0130_GLOBAL_GAIN_MAX 0x11
+#define AR0130_GLOBAL_GAIN_DEF 0x01
+#define V4L2_CID_TEST_PATTERN (V4L2_CID_USER_BASE | 0x1001)
+
+struct ar0130_pll_divs {
+ u32 ext_freq;
+ u32 target_freq;
+ u8 m;
+ u8 n;
+ u8 p1;
+ u8 p2;
+};
+
+struct ar0130_frame_size {
+ u16 width;
+ u16 height;
+};
+
+static const struct ar0130_frame_size ar0130_supported_framesizes[] = {
+ { 640, 360 },
+ { 640, 480 },
+ { 1280, 720 },
+ { 1280, 960 }
+};
+
+enum ar0130_resolution {
+ AR0130_640x360_BINNED,
+ AR0130_640x480_BINNED,
+ AR0130_720P_60FPS,
+ AR0130_FULL_RES_45FPS
+};
+
+struct ar0130_priv {
+ struct v4l2_subdev subdev;
+ struct media_pad pad;
+ struct v4l2_rect crop; /* Sensor window */
+ struct v4l2_mbus_framefmt format;
+ enum ar0130_resolution res_index;
+ struct v4l2_ctrl_handler ctrls;
+ struct ar0130_platform_data *pdata;
+ struct mutex power_lock; /* lock to protect power_count */
+ const struct ar0130_pll_divs *pll;
+ int power_count;
+ int autoexposure;
+};
+
+struct ar0130_reg {
+ u16 addr;
+ u16 data;
+};
+
+/************************************************************************
+ Helper Functions
+************************************************************************/
+/**
+ * to_ar0130 - A helper function which returns pointer to the
+ * private data structure
+ * @client: pointer to i2c client
+ *
+ */
+static struct ar0130_priv *to_ar0130(const struct i2c_client *client)
+{
+ return container_of(i2c_get_clientdata(client),
+ struct ar0130_priv, subdev);
+}
+
+/**
+ * ar0130_read - reads the data from the given register
+ * @client: pointer to i2c client
+ * @command: address of the register which is to be read
+ *
+ */
+static int ar0130_read(struct i2c_client *client, u16 command)
+{
+ struct i2c_msg msg[2];
+ u8 buf[2];
+ int ret;
+
+ /* 16 bit addressable register */
+ command = swab16(command);
+
+ msg[0].addr = client->addr;
+ msg[0].flags = 0;
+ msg[0].len = 2;
+ msg[0].buf = (u8 *)&command;
+
+ msg[1].addr = client->addr;
+ msg[1].flags = I2C_M_RD; /* 1 */
+ msg[1].len = 2;
+ msg[1].buf = buf;
+
+ /*
+ * if return value of this function is < 0,
+ * it mean error.
+ * else, under 16bit is valid data.
+ */
+ ret = i2c_transfer(client->adapter, msg, 2);
+
+ if (ret < 0)
+ return ret;
+
+ memcpy(&ret, buf, 2);
+ return swab16(ret);
+
+ v4l_err(client, "Read from offset 0x%x error %d", command, ret);
+ return ret;
+}
+
+/**
+ * ar0130_write - writes the data into the given register
+ * @client: pointer to i2c client
+ * @command: address of the register in which to write
+ * @data: data to be written into the register
+ *
+ */
+static int ar0130_write(struct i2c_client *client, u16 command,
+ u16 data)
+{
+ struct i2c_msg msg;
+ u8 buf[4];
+ int ret;
+
+ /* 16-bit addressable register */
+
+ command = swab16(command);
+ data = swab16(data);
+
+ memcpy(buf + 0, &command, 2);
+ memcpy(buf + 2, &data, 2);
+ msg.addr = client->addr;
+ msg.flags = 0;
+ msg.len = 4;
+ msg.buf = buf;
+
+ /* i2c_transfer returns message length, but function should return 0 */
+ ret = i2c_transfer(client->adapter, &msg, 1);
+ if (ret >= 0)
+ return 0;
+ else
+ v4l_err(client, "Write failed at 0x%X error %d\n",
+ swab16(command), ret);
+
+ return ret;
+}
+
+/**
+ * ar0130_calc_size - Find the best match for a requested image capture size
+ * @request_width: requested image width in pixels
+ * @request_height: requested image height in pixels
+ *
+ * Find the best match for a requested image capture size. The best match
+ * is chosen as the nearest match that has the same number or fewer pixels
+ * as the requested size, or the smallest image size if the requested size
+ * has fewer pixels than the smallest image.
+ */
+static int ar0130_calc_size(unsigned int request_width,
+ unsigned int request_height)
+{
+ int i = 0;
+ unsigned long requested_pixels = request_width * request_height;
+
+ for (i = 0; i < ARRAY_SIZE(ar0130_supported_framesizes); i++) {
+ if (ar0130_supported_framesizes[i].height *
+ ar0130_supported_framesizes[i].width >= requested_pixels)
+ return i;
+ }
+
+ /* couldn't find a match, return the max size as a default */
+ return ARRAY_SIZE(ar0130_supported_framesizes) - 1;
+}
+
+/**
+ * ar0130_v4l2_try_fmt_cap - Find the best match for a requested image size
+ * @requestedsize: pointer to the structure which contains requested image size
+ *
+ * Find the best match for a requested image capture size. The best match
+ * is chosen as the nearest match that has the same number or fewer pixels
+ * as the requested size, or the smallest image size if the requested size
+ * has fewer pixels than the smallest image.
+ */
+static int ar0130_v4l2_try_fmt_cap(struct ar0130_frame_size *requestedsize)
+{
+ int isize;
+
+ isize = ar0130_calc_size(requestedsize->width, requestedsize->height);
+
+ requestedsize->width = ar0130_supported_framesizes[isize].width;
+ requestedsize->height = ar0130_supported_framesizes[isize].height;
+
+ return isize;
+}
+
+/**
+ * ar0130_reset - Soft resets the sensor
+ * @client: pointer to the i2c client
+ *
+ */
+static int ar0130_reset(struct i2c_client *client)
+{
+ int ret;
+
+ ret = ar0130_write(client, AR0130_RESET_REG, 0x0001);
+ if (ret < 0)
+ return ret;
+
+ mdelay(10);
+
+ ret = ar0130_write(client, AR0130_RESET_REG, AR0130_STREAM_OFF);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/* PLL divider settings to achieve the desired PIXCLK frequency
+ * given the input frequency
+ */
+static const struct ar0130_pll_divs ar0130_divs[] = {
+ /* ext_freq target_freq M N p1 p2 */
+ {24000000, 48000000, 32, 2, 2, 4},
+ {24000000, 66000000, 44, 2, 2, 4}
+};
+/*
+ target_freq = (ext_freq x M) / (N x P1 x P2)
+
+ Limitations of PLL parameters
+ -----------------------------
+ 32 ≤ M ≤ 384
+ 1 ≤ N ≤ 64
+ 1 ≤ P1 ≤ 16
+ 4 ≤ P2 ≤ 16
+ 384MHz ≤ (VCO_freq = ext_freq x M/N) ≤ 768MHz
+*/
+
+static int ar0130_pll_get_divs(struct ar0130_priv *ar0130)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&ar0130->subdev);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ar0130_divs); i++) {
+ if (ar0130_divs[i].ext_freq == ar0130->pdata->ext_freq &&
+ ar0130_divs[i].target_freq == ar0130->pdata->target_freq) {
+ ar0130->pll = &ar0130_divs[i];
+ return 0;
+ }
+ }
+ dev_err(&client->dev, "Couldn't find PLL dividers for ext_freq = %d, target_freq = %d\n",
+ ar0130->pdata->ext_freq, ar0130->pdata->target_freq);
+
+ return -EINVAL;
+}
+
+/**
+ * ar0130_pll_enable - enable the sensor pll
+ * @client: pointer to the i2c client
+ *
+ */
+static int ar0130_pll_enable(struct ar0130_priv *ar0130)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&ar0130->subdev);
+ int ret;
+
+ ret = ar0130_pll_get_divs(ar0130);
+ if (ret < 0)
+ return ret;
+
+ ret = ar0130_write(client, AR0130_VT_SYS_CLK_DIV, ar0130->pll->p1);
+ ret |= ar0130_write(client, AR0130_VT_PIX_CLK_DIV, ar0130->pll->p2);
+ ret |= ar0130_write(client, AR0130_PRE_PLL_CLK_DIV, ar0130->pll->n);
+ ret |= ar0130_write(client, AR0130_PLL_MULTIPLIER, ar0130->pll->m);
+
+
+ mdelay(100);
+
+ return ret;
+}
+
+/**
+ * ar0130_power_on - power on the sensor
+ * @ar0130: pointer to private data structure
+ *
+ */
+static int ar0130_power_on(struct ar0130_priv *ar0130)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&ar0130->subdev);
+ int ret;
+
+ /* Ensure RESET_BAR is low */
+ if (ar0130->pdata->reset) {
+ ar0130->pdata->reset(&ar0130->subdev, 1);
+ usleep_range(1000, 2000);
+ }
+
+ /* Enable clock */
+ if (ar0130->pdata->set_xclk) {
+ ar0130->pdata->set_xclk(&ar0130->subdev,
+ ar0130->pdata->ext_freq);
+ usleep_range(1000, 2000);
+ }
+
+ /* Now RESET_BAR must be high */
+ if (ar0130->pdata->reset) {
+ ar0130->pdata->reset(&ar0130->subdev, 0);
+ usleep_range(1000, 2000);
+ }
+
+ ret = ar0130_reset(client);
+
+ if (ret < 0) {
+ dev_err(&client->dev, "Failed to reset the camera\n");
+ return ret;
+ }
+
+ return v4l2_ctrl_handler_setup(&ar0130->ctrls);
+}
+
+/**
+ * ar0130_power_off - power off the sensor
+ * @ar0130: pointer to private data structure
+ *
+ */
+static int ar0130_power_off(struct ar0130_priv *ar0130)
+{
+ if (ar0130->pdata->set_xclk)
+ ar0130->pdata->set_xclk(&ar0130->subdev, 0);
+
+ return 0;
+}
+
+static struct v4l2_mbus_framefmt *
+__ar0130_get_pad_format(struct ar0130_priv *ar0130, struct v4l2_subdev_fh *fh,
+ unsigned int pad, u32 which)
+{
+ switch (which) {
+ case V4L2_SUBDEV_FORMAT_TRY:
+ return v4l2_subdev_get_try_format(fh, pad);
+ case V4L2_SUBDEV_FORMAT_ACTIVE:
+ return &ar0130->format;
+ default:
+ return NULL;
+ }
+}
+
+static int ar0130_linear_mode_setup(struct i2c_client *client)
+{
+ int i, ret;
+
+ ret = ar0130_write(client, AR0130_SEQ_PORT_CTRL, 0x8000);
+ for (i = 0; i < 80; i++)
+ ret |= ar0130_write(client, AR0130_SEQ_PORT,
+ ar0130_linear_data[i]);
+
+ ret |= ar0130_write(client, AR0130_DCDS_PROG_START_ADDR, 0x0000);
+ ret |= ar0130_write(client, AR0130_ADC_BITS_6_7, 0x6372);
+ ret |= ar0130_write(client, AR0130_ADC_BITS_4_5, 0x7253);
+ ret |= ar0130_write(client, AR0130_ADC_BITS_2_3, 0x5470);
+ ret |= ar0130_write(client, AR0130_ADC_CONFIG1, 0xC4CC);
+ ret |= ar0130_write(client, AR0130_ADC_CONFIG2, 0x8050);
+
+ mdelay(200);
+
+ ret |= ar0130_write(client, AR0130_OPERATION_MODE_CTRL, 0x0029);
+ ret |= ar0130_write(client, AR0130_DIGITAL_TEST, 0x1300);
+ ret |= ar0130_write(client, AR0130_COLUMN_CORRECTION, 0xE007);
+ ret |= ar0130_write(client, AR0130_RESET_REG, 0x10DC);
+ ret |= ar0130_write(client, AR0130_RESET_REG, 0x10D8);
+ ret |= ar0130_write(client, AR0130_DARK_CONTROL, 0x0400);
+ ret |= ar0130_write(client, AR0130_DAC_LD_14_15, 0x0F03);
+ ret |= ar0130_write(client, AR0130_DAC_LD_12_13, 0x01EF);
+ ret |= ar0130_write(client, AR0130_COARSE_INTEGRATION_TIME, 0x02A0);
+
+ return ret;
+}
+
+static int ar0130_set_resolution(struct i2c_client *client,
+ enum ar0130_resolution res_index)
+{
+ int ret;
+
+ ret = ar0130_write(client, AR0130_X_ADDR_START, 0);
+ ret |= ar0130_write(client, AR0130_X_ADDR_END, 1279);
+ ret |= ar0130_write(client, AR0130_Y_ADDR_START, 2);
+ ret |= ar0130_write(client, AR0130_LINE_LENGTH_PCK, 1650);
+ switch (res_index) {
+ case AR0130_FULL_RES_45FPS: /* 1280x960 */
+ ret |= ar0130_write(client, AR0130_DIGITAL_BINNING, 0x0000);
+ ret |= ar0130_write(client, AR0130_Y_ADDR_END, 961);
+ ret |= ar0130_write(client, AR0130_FRAME_LENGTH_LINES, 990);
+ break;
+ case AR0130_720P_60FPS: /* 1280x720 */
+ ret |= ar0130_write(client, AR0130_DIGITAL_BINNING, 0x0000);
+ ret |= ar0130_write(client, AR0130_Y_ADDR_END, 721);
+ ret |= ar0130_write(client, AR0130_FRAME_LENGTH_LINES, 751);
+ break;
+ case AR0130_640x480_BINNED: /* 640x480 */
+ ret |= ar0130_write(client, AR0130_DIGITAL_BINNING, 0x0002);
+ ret |= ar0130_write(client, AR0130_Y_ADDR_END, 961);
+ ret |= ar0130_write(client, AR0130_FRAME_LENGTH_LINES, 990);
+ ret |= ar0130_write(client, AR0130_DATAPATH_SELECT, 0x9010);
+ break;
+ case AR0130_640x360_BINNED: /* 640x360 */
+ ret |= ar0130_write(client, AR0130_DIGITAL_BINNING, 0x0002);
+ ret |= ar0130_write(client, AR0130_Y_ADDR_END, 721);
+ ret |= ar0130_write(client, AR0130_FRAME_LENGTH_LINES, 751);
+ ret |= ar0130_write(client, AR0130_DATAPATH_SELECT, 0x9010);
+ break;
+ default: /* 1280x960 */
+ ret |= ar0130_write(client, AR0130_DIGITAL_BINNING, 0x0000);
+ ret |= ar0130_write(client, AR0130_Y_ADDR_END, 961);
+ ret |= ar0130_write(client, AR0130_FRAME_LENGTH_LINES, 990);
+ break;
+ }
+
+ return ret;
+}
+
+static int ar0130_set_autoexposure(struct i2c_client *client, int enable)
+{
+ struct ar0130_priv *ar0130 = to_ar0130(client);
+ int ret;
+
+ if (enable) {
+ ar0130->autoexposure = 1;
+ ret = ar0130_write(client, AR0130_EMBEDDED_DATA_CTRL, 0x1982);
+ ret |= ar0130_write(client, AR0130_AE_CTRL_REG, 0x001B);
+ ret |= ar0130_write(client, AR0130_AE_DCG_EXP_HIGH_REG, 0x029F);
+ ret |= ar0130_write(client, AR0130_AE_DCG_EXP_LOW_REG, 0x008C);
+ ret |= ar0130_write(client, AR0130_AE_DCG_G_FACTOR, 0x02C0);
+ ret |= ar0130_write(client, AR0130_AE_DCG_G_FACTOR_INV, 0x005B);
+ ret |= ar0130_write(client, AR0130_AE_LUMA_TARGET_REG, 0x0384);
+ ret |= ar0130_write(client, AR0130_AE_HIST_TARGET_REG, 0x1000);
+ ret |= ar0130_write(client, AR0130_AE_ALPHA_V1_REG, 0x0080);
+ ret |= ar0130_write(client, AR0130_AE_MAX_EXPOSURE_REG, 0x03DD);
+ ret |= ar0130_write(client, AR0130_AE_MIN_EXPOSURE_REG, 0x0002);
+ return ret;
+ } else {
+ ar0130->autoexposure = 0;
+ ret = ar0130_write(client, AR0130_RESET_REG, AR0130_STREAM_OFF);
+ ret |= ar0130_write(client, AR0130_AE_CTRL_REG, 0x001A);
+ ret |= ar0130_write(client, AR0130_RESET_REG, AR0130_STREAM_ON);
+ return ret;
+ }
+}
+
+/************************************************************************
+ v4l2_subdev_core_ops
+************************************************************************/
+
+static int ar0130_g_chip_ident(struct v4l2_subdev *sd,
+ struct v4l2_dbg_chip_ident *id)
+{
+ id->ident = V4L2_IDENT_AR0130;
+ id->revision = 1;
+
+ return 0;
+}
+
+static int ar0130_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct ar0130_priv *ar0130 = container_of(ctrl->handler,
+ struct ar0130_priv, ctrls);
+ struct i2c_client *client = v4l2_get_subdevdata(&ar0130->subdev);
+ int ret = 0;
+ u16 reg16;
+
+ switch (ctrl->id) {
+ case V4L2_CID_EXPOSURE_AUTO:
+ ret = ar0130_set_autoexposure(client, ctrl->val);
+ break;
+
+ case V4L2_CID_GAIN:
+ reg16 = ar0130_read(client, AR0130_DIGITAL_TEST);
+ reg16 |= (ctrl->val << 5);
+ return ar0130_write(client, AR0130_DIGITAL_TEST, reg16);
+ break;
+
+ case V4L2_CID_HFLIP:
+ if (ctrl->val) {
+ reg16 = ar0130_read(client, AR0130_READ_MODE);
+ reg16 |= AR0130_HFLIP_ENABLE;
+ return ar0130_write(client, AR0130_READ_MODE, reg16);
+ } else {
+ reg16 = ar0130_read(client, AR0130_READ_MODE);
+ reg16 &= AR0130_HFLIP_DISABLE;
+ return ar0130_write(client, AR0130_READ_MODE, reg16);
+ }
+ break;
+
+ case V4L2_CID_VFLIP:
+ if (ctrl->val) {
+ reg16 = ar0130_read(client, AR0130_READ_MODE);
+ reg16 |= AR0130_VFLIP_ENABLE;
+ return ar0130_write(client, AR0130_READ_MODE, reg16);
+ } else {
+ reg16 = ar0130_read(client, AR0130_READ_MODE);
+ reg16 &= AR0130_VFLIP_DISABLE;
+ return ar0130_write(client, AR0130_READ_MODE, reg16);
+ }
+ break;
+
+ case V4L2_CID_TEST_PATTERN:
+ if (!ctrl->val)
+ return ar0130_write(client, AR0130_TEST_REG,
+ AR0130_TEST_PATTERN_DISABLE);
+ else if (ctrl->val < 4)
+ return ar0130_write(client, AR0130_TEST_REG, ctrl->val);
+ else
+ return ar0130_write(client, AR0130_TEST_REG, 256);
+ break;
+
+ }
+
+ return ret;
+}
+
+static struct v4l2_ctrl_ops ar0130_ctrl_ops = {
+ .s_ctrl = ar0130_s_ctrl,
+};
+
+static const char * const ar0130_test_pattern_menu[] = {
+ "Disabled",
+ "Solid color",
+ "Full color bar",
+ "Fade to grey color bar",
+ "Marching 1s",
+};
+
+static const struct v4l2_ctrl_config ar0130_ctrls[] = {
+ {
+ .ops = &ar0130_ctrl_ops,
+ .id = V4L2_CID_TEST_PATTERN,
+ .type = V4L2_CTRL_TYPE_MENU,
+ .name = "Test Pattern",
+ .min = 0,
+ .max = ARRAY_SIZE(ar0130_test_pattern_menu) - 1,
+ .step = 0,
+ .def = 0,
+ .flags = 0,
+ .menu_skip_mask = 0,
+ .qmenu = ar0130_test_pattern_menu,
+ }
+};
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int ar0130_g_reg(struct v4l2_subdev *sd,
+ struct v4l2_dbg_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u16 data;
+
+ reg->size = 2;
+ data = ar0130_read(client, reg->reg);
+
+ reg->val = (__u64)data;
+ return 0;
+}
+
+static int ar0130_s_reg(struct v4l2_subdev *sd,
+ struct v4l2_dbg_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ int ret;
+
+ ret = ar0130_write(client, reg->reg, reg->val);
+ return ret;
+}
+#endif
+
+static int ar0130_s_power(struct v4l2_subdev *sd, int on)
+{
+ struct ar0130_priv *ar0130 = container_of(sd,
+ struct ar0130_priv, subdev);
+ int ret = 0;
+
+ mutex_lock(&ar0130->power_lock);
+
+ /*
+ * If the power count is modified from 0 to != 0 or from != 0 to 0,
+ * update the power state.
+ */
+ if (ar0130->power_count == !on) {
+ if (on) {
+ ret = ar0130_power_on(ar0130);
+ if (ret) {
+ dev_err(ar0130->subdev.v4l2_dev->dev,
+ "Failed to power on: %d\n", ret);
+ goto out;
+ }
+ } else
+ ret = ar0130_power_off(ar0130);
+ }
+ /* Update the power count. */
+ ar0130->power_count += on ? 1 : -1;
+ WARN_ON(ar0130->power_count < 0);
+out:
+ mutex_unlock(&ar0130->power_lock);
+ return ret;
+}
+
+/***************************************************
+ v4l2_subdev_video_ops
+****************************************************/
+static int ar0130_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct ar0130_priv *ar0130 = container_of(sd,
+ struct ar0130_priv, subdev);
+ int ret;
+
+ if (!enable) {
+ ret = ar0130_write(client, AR0130_RESET_REG, AR0130_STREAM_OFF);
+ return 0;
+ }
+
+ ret = ar0130_linear_mode_setup(client);
+ if (ret < 0) {
+ dev_err(ar0130->subdev.v4l2_dev->dev,
+ "Failed to setup linear mode: %d\n", ret);
+ return ret;
+ }
+
+ ret = ar0130_set_resolution(client, ar0130->res_index);
+ if (ret < 0) {
+ dev_err(ar0130->subdev.v4l2_dev->dev,
+ "Failed to setup resolution: %d\n", ret);
+ return ret;
+ }
+
+ ret |= ar0130_write(client, AR0130_RESET_REG, AR0130_STREAM_OFF);
+ ret |= ar0130_write(client, AR0130_HDR_COMP, 0x0001);
+
+ ret = ar0130_pll_enable(ar0130);
+ if (ret < 0) {
+ dev_err(ar0130->subdev.v4l2_dev->dev,
+ "Failed to enable pll: %d\n", ret);
+ return ret;
+ }
+
+ ret = ar0130_set_autoexposure(client, AR0130_ENABLE);
+ ret |= ar0130_write(client, AR0130_RESET_REG, AR0130_STREAM_ON);
+
+ return ret;
+}
+
+/***************************************************
+ v4l2_subdev_pad_ops
+****************************************************/
+static int ar0130_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ struct ar0130_priv *ar0130 = container_of(sd,
+ struct ar0130_priv, subdev);
+
+ if (code->pad || code->index)
+ return -EINVAL;
+
+ code->code = ar0130->format.code;
+ return 0;
+}
+
+static int ar0130_enum_frame_size(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ struct ar0130_priv *ar0130 = container_of(sd,
+ struct ar0130_priv, subdev);
+
+ if (fse->index >= 8 || fse->code != ar0130->format.code)
+ return -EINVAL;
+
+ fse->min_width = AR0130_WINDOW_WIDTH_DEF
+ / min_t(unsigned int, 7, fse->index + 1);
+ fse->max_width = fse->min_width;
+ fse->min_height = AR0130_WINDOW_HEIGHT_DEF / (fse->index + 1);
+ fse->max_height = fse->min_height;
+
+ return 0;
+}
+
+static int ar0130_get_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_format *fmt)
+{
+ struct ar0130_priv *ar0130 = container_of(sd,
+ struct ar0130_priv, subdev);
+
+ fmt->format = *__ar0130_get_pad_format(ar0130, fh, fmt->pad,
+ fmt->which);
+
+ return 0;
+}
+
+static int ar0130_set_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_format *format)
+{
+ struct ar0130_priv *ar0130 = container_of(sd,
+ struct ar0130_priv, subdev);
+ struct ar0130_frame_size size;
+
+ size.height = format->format.height;
+ size.width = format->format.width;
+ ar0130->res_index = ar0130_v4l2_try_fmt_cap(&size);
+ ar0130->format.width = size.width;
+ ar0130->format.height = size.height;
+ ar0130->format.code = V4L2_MBUS_FMT_SGRBG12_1X12;
+
+ format->format.width = size.width;
+ format->format.height = size.height;
+
+ return 0;
+}
+
+static struct v4l2_rect *
+__ar0130_get_pad_crop(struct ar0130_priv *ar0130, struct v4l2_subdev_fh *fh,
+ unsigned int pad, u32 which)
+{
+ switch (which) {
+ case V4L2_SUBDEV_FORMAT_TRY:
+ return v4l2_subdev_get_try_crop(fh, pad);
+ case V4L2_SUBDEV_FORMAT_ACTIVE:
+ return &ar0130->crop;
+ default:
+ return NULL;
+ }
+}
+
+static int ar0130_get_crop(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_crop *crop)
+{
+ struct ar0130_priv *ar0130 = container_of(sd,
+ struct ar0130_priv, subdev);
+
+ crop->rect = *__ar0130_get_pad_crop(ar0130, fh, crop->pad, crop->which);
+
+ return 0;
+}
+
+static int ar0130_set_crop(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_crop *crop)
+{
+ struct ar0130_priv *ar0130 = container_of(sd,
+ struct ar0130_priv, subdev);
+ struct ar0130_frame_size size;
+
+ size.width = crop->rect.width;
+ size.height = crop->rect.height;
+ ar0130_v4l2_try_fmt_cap(&size);
+
+ if (crop->rect.left < AR0130_COLUMN_START_MIN)
+ crop->rect.left = AR0130_COLUMN_START_MIN;
+ else if (crop->rect.left > AR0130_COLUMN_START_MAX)
+ crop->rect.left = AR0130_COLUMN_START_MAX;
+ if (crop->rect.top < AR0130_ROW_START_MIN)
+ crop->rect.top = AR0130_ROW_START_MIN;
+ else if (crop->rect.top > AR0130_ROW_START_MAX)
+ crop->rect.top = AR0130_ROW_START_MAX;
+
+ ar0130->crop.left = crop->rect.left;
+ ar0130->crop.top = crop->rect.top;
+ ar0130->crop.width = size.width;
+ ar0130->crop.height = size.height;
+
+ crop->rect.width = size.width;
+ crop->rect.height = size.height;
+
+ return 0;
+}
+
+/***********************************************************
+ V4L2 subdev internal operations
+************************************************************/
+static int ar0130_registered(struct v4l2_subdev *sd)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct ar0130_priv *ar0130 = to_ar0130(client);
+ s32 data;
+ int ret;
+
+ ret = ar0130_power_on(ar0130);
+ if (ret < 0) {
+ dev_err(&client->dev, "AR0130 power up failed\n");
+ return ret;
+ }
+
+ /* Read out the chip version register */
+ data = ar0130_read(client, AR0130_CHIP_VERSION_REG);
+ if (data != AR0130_CHIP_ID) {
+ dev_err(&client->dev, "AR0130 not detected, chip ID read:0x%4.4X\n",
+ data);
+ return -ENODEV;
+ }
+
+ dev_info(&client->dev, "AR0130 detected at address 0x%02X:chip ID = 0x%4.4X\n",
+ client->addr, AR0130_CHIP_ID);
+
+ ret = ar0130_power_off(ar0130);
+
+ return ret;
+}
+
+static int ar0130_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+ struct ar0130_priv *ar0130 = container_of(sd,
+ struct ar0130_priv, subdev);
+ int ret = 0;
+
+ ar0130->crop.width = AR0130_WINDOW_WIDTH_DEF;
+ ar0130->crop.height = AR0130_WINDOW_HEIGHT_DEF;
+ ar0130->crop.left = AR0130_COLUMN_START_DEF;
+ ar0130->crop.top = AR0130_ROW_START_DEF;
+
+ ar0130->format.code = V4L2_MBUS_FMT_SGRBG12_1X12;
+ ar0130->format.width = AR0130_WINDOW_WIDTH_DEF;
+ ar0130->format.height = AR0130_WINDOW_HEIGHT_DEF;
+ ar0130->format.field = V4L2_FIELD_NONE;
+ ar0130->format.colorspace = V4L2_COLORSPACE_SRGB;
+
+ ret = ar0130_s_power(sd, 1);
+ return ret;
+}
+
+static int ar0130_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+ int ret = 0;
+
+ ret = ar0130_s_power(sd, 0);
+ return ret;
+}
+
+/***************************************************
+ v4l2_subdev_ops
+****************************************************/
+static struct v4l2_subdev_core_ops ar0130_subdev_core_ops = {
+ .g_chip_ident = ar0130_g_chip_ident,
+ .queryctrl = v4l2_subdev_queryctrl,
+ .querymenu = v4l2_subdev_querymenu,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .g_register = ar0130_g_reg,
+ .s_register = ar0130_s_reg,
+#endif
+ .s_power = ar0130_s_power,
+};
+
+static struct v4l2_subdev_video_ops ar0130_subdev_video_ops = {
+ .s_stream = ar0130_s_stream,
+};
+
+static struct v4l2_subdev_pad_ops ar0130_subdev_pad_ops = {
+ .enum_mbus_code = ar0130_enum_mbus_code,
+ .enum_frame_size = ar0130_enum_frame_size,
+ .get_fmt = ar0130_get_format,
+ .set_fmt = ar0130_set_format,
+ .get_crop = ar0130_get_crop,
+ .set_crop = ar0130_set_crop,
+};
+
+static struct v4l2_subdev_ops ar0130_subdev_ops = {
+ .core = &ar0130_subdev_core_ops,
+ .video = &ar0130_subdev_video_ops,
+ .pad = &ar0130_subdev_pad_ops,
+};
+
+/*
+ * Internal ops. Never call this from drivers, only the v4l2 framework can call
+ * these ops.
+ */
+static const struct v4l2_subdev_internal_ops ar0130_subdev_internal_ops = {
+ .registered = ar0130_registered,
+ .open = ar0130_open,
+ .close = ar0130_close,
+};
+
+/***************************************************
+ I2C driver
+****************************************************/
+static int ar0130_probe(struct i2c_client *client,
+ const struct i2c_device_id *did)
+{
+ struct ar0130_platform_data *pdata = client->dev.platform_data;
+ struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
+ struct ar0130_priv *ar0130;
+ int i, 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;
+ }
+
+ ar0130 = kzalloc(sizeof(struct ar0130_priv), GFP_KERNEL);
+ if (ar0130 == NULL)
+ return -ENOMEM;
+
+ ar0130->pdata = pdata;
+
+ v4l2_ctrl_handler_init(&ar0130->ctrls, ARRAY_SIZE(ar0130_ctrls) + 3);
+
+ v4l2_ctrl_new_std(&ar0130->ctrls, &ar0130_ctrl_ops,
+ V4L2_EXPOSURE_AUTO, 0, 1, 1, 1);
+ v4l2_ctrl_new_std(&ar0130->ctrls, &ar0130_ctrl_ops,
+ V4L2_CID_GAIN, AR0130_GLOBAL_GAIN_MIN,
+ AR0130_GLOBAL_GAIN_MAX, 1, AR0130_GLOBAL_GAIN_DEF);
+ v4l2_ctrl_new_std(&ar0130->ctrls, &ar0130_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&ar0130->ctrls, &ar0130_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+
+ for (i = 0; i < ARRAY_SIZE(ar0130_ctrls); ++i)
+ v4l2_ctrl_new_custom(&ar0130->ctrls, &ar0130_ctrls[i], NULL);
+
+ mutex_init(&ar0130->power_lock);
+ v4l2_i2c_subdev_init(&ar0130->subdev, client, &ar0130_subdev_ops);
+ ar0130->subdev.internal_ops = &ar0130_subdev_internal_ops;
+
+ ar0130->pad.flags = MEDIA_PAD_FL_SOURCE;
+ ret = media_entity_init(&ar0130->subdev.entity, 1, &ar0130->pad, 0);
+ if (ret < 0)
+ goto done;
+
+ ar0130->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+
+ ar0130->crop.width = AR0130_WINDOW_WIDTH_DEF;
+ ar0130->crop.height = AR0130_WINDOW_HEIGHT_DEF;
+ ar0130->crop.left = AR0130_COLUMN_START_DEF;
+ ar0130->crop.top = AR0130_ROW_START_DEF;
+
+ ar0130->format.code = V4L2_MBUS_FMT_SGRBG12_1X12;
+ ar0130->format.width = AR0130_WINDOW_WIDTH_DEF;
+ ar0130->format.height = AR0130_WINDOW_HEIGHT_DEF;
+ ar0130->format.field = V4L2_FIELD_NONE;
+ ar0130->format.colorspace = V4L2_COLORSPACE_SRGB;
+
+done:
+ if (ret < 0) {
+ v4l2_ctrl_handler_free(&ar0130->ctrls);
+ media_entity_cleanup(&ar0130->subdev.entity);
+ kfree(ar0130);
+ dev_err(&client->dev, "Probe failed\n");
+ }
+
+ return ret;
+}
+
+static int ar0130_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *subdev = i2c_get_clientdata(client);
+ struct ar0130_priv *ar0130 = to_ar0130(client);
+
+ v4l2_ctrl_handler_free(&ar0130->ctrls);
+ v4l2_device_unregister_subdev(subdev);
+ media_entity_cleanup(&subdev->entity);
+ kfree(ar0130);
+
+ return 0;
+}
+
+static const struct i2c_device_id ar0130_id[] = {
+ { "ar0130", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ar0130_id);
+
+static struct i2c_driver ar0130_i2c_driver = {
+ .driver = {
+ .name = "ar0130",
+ },
+ .probe = ar0130_probe,
+ .remove = ar0130_remove,
+ .id_table = ar0130_id,
+};
+
+module_i2c_driver(ar0130_i2c_driver);
+
+MODULE_DESCRIPTION("Aptina AR0130 Camera driver");
+MODULE_AUTHOR("Aptina Imaging <drivers@xxxxxxxxxx>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/video/ar0130_regs.h b/drivers/media/video/ar0130_regs.h
new file mode 100644
index 0000000..a7a6619
--- /dev/null
+++ b/drivers/media/video/ar0130_regs.h
@@ -0,0 +1,107 @@
+/*
+ * drivers/media/video/ar0130_regs.h
+ *
+ * Aptina AR0130 sensor related register values
+ *
+ * Copyright (C) 2012 Aptina Imaging
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __AR0130_H__
+#define __AR0130_H__
+#endif /* __AR0130_H__ */
+
+static unsigned int ar0130_linear_data[79] = {
+0x0225,
+0x5050,
+0x2D26,
+0x0828,
+0x0D17,
+0x0926,
+0x0028,
+0x0526,
+0xA728,
+0x0725,
+0x8080,
+0x2917,
+0x0525,
+0x0040,
+0x2702,
+0x1616,
+0x2706,
+0x1736,
+0x26A6,
+0x1703,
+0x26A4,
+0x171F,
+0x2805,
+0x2620,
+0x2804,
+0x2520,
+0x2027,
+0x0017,
+0x1E25,
+0x0020,
+0x2117,
+0x1028,
+0x051B,
+0x1703,
+0x2706,
+0x1703,
+0x1741,
+0x2660,
+0x17AE,
+0x2500,
+0x9027,
+0x0026,
+0x1828,
+0x002E,
+0x2A28,
+0x081E,
+0x0831,
+0x1440,
+0x4014,
+0x2020,
+0x1410,
+0x1034,
+0x1400,
+0x1014,
+0x0020,
+0x1400,
+0x4013,
+0x1802,
+0x1470,
+0x7004,
+0x1470,
+0x7003,
+0x1470,
+0x7017,
+0x2002,
+0x1400,
+0x2002,
+0x1400,
+0x5004,
+0x1400,
+0x2004,
+0x1400,
+0x5022,
+0x0314,
+0x0020,
+0x0314,
+0x0050,
+0x2C2C,
+0x2C2C
+};
diff --git a/include/media/ar0130.h b/include/media/ar0130.h
new file mode 100644
index 0000000..4a95b64
--- /dev/null
+++ b/include/media/ar0130.h
@@ -0,0 +1,52 @@
+/*
+ * include/media/ar0130.h
+ *
+ * Aptina AR0130 sensor related register values
+ *
+ * Copyright (C) 2012 Aptina Imaging
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __AR0130_H__
+#define __AR0130_H__
+#define AR0130_I2C_ADDR 0x10 /* (0x20 >> 1) */
+
+struct v4l2_subdev;
+
+enum {
+ AR0130_COLOR_VERSION,
+ AR0130_MONOCHROME_VERSION,
+};
+
+/*
+ * struct ar0130_platform_data - AR0130 platform data
+ * @set_xclk: Clock frequency set callback
+ * @reset: Chip reset GPIO (set to -1 if not used)
+ * @ext_freq: Input clock frequency
+ * @target_freq: Pixel clock frequency
+ * @version: color or monochrome
+ * @clk_pol: parallel pixclk polarity
+ */
+struct ar0130_platform_data {
+ int (*set_xclk)(struct v4l2_subdev *subdev, int hz);
+ int (*reset)(struct v4l2_subdev *subdev, int active);
+ int ext_freq;
+ int target_freq;
+ int version;
+ unsigned int clk_pol:1;
+};
+
+#endif
diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h
index 7395c81..fa3b7f9 100644
--- a/include/media/v4l2-chip-ident.h
+++ b/include/media/v4l2-chip-ident.h
@@ -302,6 +302,7 @@ enum {
V4L2_IDENT_MT9T112 = 45022,
V4L2_IDENT_MT9V111 = 45031,
V4L2_IDENT_MT9V112 = 45032,
+ V4L2_IDENT_AR0130 = 45040,
/* HV7131R CMOS sensor: just ident 46000 */
V4L2_IDENT_HV7131R = 46000,
--
1.7.9.5
Aptina India Private Limited / Frontline Grandeur, 14 Walton Road, Bangalore - 560001, India
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