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-rw-r--r--linux/drivers/media/video/Kconfig16
-rw-r--r--linux/drivers/media/video/Makefile2
-rw-r--r--linux/drivers/media/video/mt9m001.c46
-rw-r--r--linux/drivers/media/video/mt9m111.c109
-rw-r--r--linux/drivers/media/video/mt9t031.c736
-rw-r--r--linux/drivers/media/video/mt9v022.c32
-rw-r--r--linux/drivers/media/video/ov772x.c143
-rw-r--r--linux/drivers/media/video/pxa_camera.c340
-rw-r--r--linux/drivers/media/video/sh_mobile_ceu_camera.c321
-rw-r--r--linux/drivers/media/video/soc_camera.c250
-rw-r--r--linux/drivers/media/video/soc_camera_platform.c5
-rw-r--r--linux/drivers/media/video/tw9910.c951
-rw-r--r--linux/include/asm-arm/arch-pxa/pxa-regs.h95
-rw-r--r--linux/include/linux/videodev2.h2
-rw-r--r--linux/include/media/soc_camera.h69
-rw-r--r--linux/include/media/tw9910.h39
-rw-r--r--linux/include/media/v4l2-chip-ident.h8
17 files changed, 2722 insertions, 442 deletions
diff --git a/linux/drivers/media/video/Kconfig b/linux/drivers/media/video/Kconfig
index cc224744b..631112e28 100644
--- a/linux/drivers/media/video/Kconfig
+++ b/linux/drivers/media/video/Kconfig
@@ -736,10 +736,16 @@ config MT9M001_PCA9536_SWITCH
extender to switch between 8 and 10 bit datawidth modes
config SOC_CAMERA_MT9M111
- tristate "mt9m111 support"
+ tristate "mt9m111 and mt9m112 support"
depends on SOC_CAMERA && I2C
help
- This driver supports MT9M111 cameras from Micron
+ This driver supports MT9M111 and MT9M112 cameras from Micron
+
+config SOC_CAMERA_MT9T031
+ tristate "mt9t031 support"
+ depends on SOC_CAMERA && I2C
+ help
+ This driver supports MT9T031 cameras from Micron.
config SOC_CAMERA_MT9V022
tristate "mt9v022 support"
@@ -755,6 +761,12 @@ config MT9V022_PCA9536_SWITCH
Select this if your MT9V022 camera uses a PCA9536 I2C GPIO
extender to switch between 8 and 10 bit datawidth modes
+config SOC_CAMERA_TW9910
+ tristate "tw9910 support"
+ depends on SOC_CAMERA && I2C
+ help
+ This is a tw9910 video driver
+
config SOC_CAMERA_PLATFORM
tristate "platform camera support"
depends on SOC_CAMERA
diff --git a/linux/drivers/media/video/Makefile b/linux/drivers/media/video/Makefile
index 84a2be0cb..1611c33b1 100644
--- a/linux/drivers/media/video/Makefile
+++ b/linux/drivers/media/video/Makefile
@@ -137,9 +137,11 @@ obj-$(CONFIG_VIDEO_OMAP2) += omap2cam.o
obj-$(CONFIG_SOC_CAMERA) += soc_camera.o
obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o
obj-$(CONFIG_SOC_CAMERA_MT9M111) += mt9m111.o
+obj-$(CONFIG_SOC_CAMERA_MT9T031) += mt9t031.o
obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o
obj-$(CONFIG_SOC_CAMERA_OV772X) += ov772x.o
obj-$(CONFIG_SOC_CAMERA_PLATFORM) += soc_camera_platform.o
+obj-$(CONFIG_SOC_CAMERA_TW9910) += tw9910.o
obj-$(CONFIG_VIDEO_AU0828) += au0828/
diff --git a/linux/drivers/media/video/mt9m001.c b/linux/drivers/media/video/mt9m001.c
index edacba723..dd1435d41 100644
--- a/linux/drivers/media/video/mt9m001.c
+++ b/linux/drivers/media/video/mt9m001.c
@@ -272,17 +272,16 @@ static int mt9m001_set_bus_param(struct soc_camera_device *icd,
static unsigned long mt9m001_query_bus_param(struct soc_camera_device *icd)
{
struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd);
- unsigned int width_flag = SOCAM_DATAWIDTH_10;
+ struct soc_camera_link *icl = mt9m001->client->dev.platform_data;
+ /* MT9M001 has all capture_format parameters fixed */
+ unsigned long flags = SOCAM_DATAWIDTH_10 | SOCAM_PCLK_SAMPLE_RISING |
+ SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH |
+ SOCAM_MASTER;
if (bus_switch_possible(mt9m001))
- width_flag |= SOCAM_DATAWIDTH_8;
+ flags |= SOCAM_DATAWIDTH_8;
- /* MT9M001 has all capture_format parameters fixed */
- return SOCAM_PCLK_SAMPLE_RISING |
- SOCAM_HSYNC_ACTIVE_HIGH |
- SOCAM_VSYNC_ACTIVE_HIGH |
- SOCAM_MASTER |
- width_flag;
+ return soc_camera_apply_sensor_flags(icl, flags);
}
static int mt9m001_set_fmt(struct soc_camera_device *icd,
@@ -328,15 +327,17 @@ static int mt9m001_set_fmt(struct soc_camera_device *icd,
static int mt9m001_try_fmt(struct soc_camera_device *icd,
struct v4l2_format *f)
{
- if (f->fmt.pix.height < 32 + icd->y_skip_top)
- f->fmt.pix.height = 32 + icd->y_skip_top;
- if (f->fmt.pix.height > 1024 + icd->y_skip_top)
- f->fmt.pix.height = 1024 + icd->y_skip_top;
- if (f->fmt.pix.width < 48)
- f->fmt.pix.width = 48;
- if (f->fmt.pix.width > 1280)
- f->fmt.pix.width = 1280;
- f->fmt.pix.width &= ~0x01; /* has to be even, unsure why was ~3 */
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+
+ if (pix->height < 32 + icd->y_skip_top)
+ pix->height = 32 + icd->y_skip_top;
+ if (pix->height > 1024 + icd->y_skip_top)
+ pix->height = 1024 + icd->y_skip_top;
+ if (pix->width < 48)
+ pix->width = 48;
+ if (pix->width > 1280)
+ pix->width = 1280;
+ pix->width &= ~0x01; /* has to be even, unsure why was ~3 */
return 0;
}
@@ -578,6 +579,7 @@ static int mt9m001_set_control(struct soc_camera_device *icd, struct v4l2_contro
static int mt9m001_video_probe(struct soc_camera_device *icd)
{
struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd);
+ struct soc_camera_link *icl = mt9m001->client->dev.platform_data;
s32 data;
int ret;
@@ -588,7 +590,7 @@ static int mt9m001_video_probe(struct soc_camera_device *icd)
return -ENODEV;
/* Enable the chip */
- data = reg_write(&mt9m001->icd, MT9M001_CHIP_ENABLE, 1);
+ data = reg_write(icd, MT9M001_CHIP_ENABLE, 1);
dev_dbg(&icd->dev, "write: %d\n", data);
/* Read out the chip version register */
@@ -600,7 +602,7 @@ static int mt9m001_video_probe(struct soc_camera_device *icd)
case 0x8421:
mt9m001->model = V4L2_IDENT_MT9M001C12ST;
icd->formats = mt9m001_colour_formats;
- if (mt9m001->client->dev.platform_data)
+ if (gpio_is_valid(icl->gpio))
icd->num_formats = ARRAY_SIZE(mt9m001_colour_formats);
else
icd->num_formats = 1;
@@ -608,7 +610,7 @@ static int mt9m001_video_probe(struct soc_camera_device *icd)
case 0x8431:
mt9m001->model = V4L2_IDENT_MT9M001C12STM;
icd->formats = mt9m001_monochrome_formats;
- if (mt9m001->client->dev.platform_data)
+ if (gpio_is_valid(icl->gpio))
icd->num_formats = ARRAY_SIZE(mt9m001_monochrome_formats);
else
icd->num_formats = 1;
@@ -640,8 +642,8 @@ static void mt9m001_video_remove(struct soc_camera_device *icd)
struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd);
dev_dbg(&icd->dev, "Video %x removed: %p, %p\n", mt9m001->client->addr,
- mt9m001->icd.dev.parent, mt9m001->icd.vdev);
- soc_camera_video_stop(&mt9m001->icd);
+ icd->dev.parent, icd->vdev);
+ soc_camera_video_stop(icd);
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
diff --git a/linux/drivers/media/video/mt9m111.c b/linux/drivers/media/video/mt9m111.c
index 1fde94514..39f2e83cf 100644
--- a/linux/drivers/media/video/mt9m111.c
+++ b/linux/drivers/media/video/mt9m111.c
@@ -1,5 +1,5 @@
/*
- * Driver for MT9M111 CMOS Image Sensor from Micron
+ * Driver for MT9M111/MT9M112 CMOS Image Sensor from Micron
*
* Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr>
*
@@ -19,7 +19,7 @@
#include <media/soc_camera.h>
/*
- * mt9m111 i2c address is 0x5d or 0x48 (depending on SAddr pin)
+ * mt9m111 and mt9m112 i2c address is 0x5d or 0x48 (depending on SAddr pin)
* The platform has to define i2c_board_info and call i2c_register_board_info()
*/
@@ -90,7 +90,7 @@
#define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b
#define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14)
-
+#define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1)
#define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14)
#define MT9M111_OUTFMT_BYPASS_IFP (1 << 10)
@@ -128,9 +128,14 @@
.colorspace = _colorspace }
#define RGB_FMT(_name, _depth, _fourcc) \
COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_SRGB)
+#define JPG_FMT(_name, _depth, _fourcc) \
+ COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_JPEG)
static const struct soc_camera_data_format mt9m111_colour_formats[] = {
- COL_FMT("YCrYCb 8 bit", 8, V4L2_PIX_FMT_YUYV, V4L2_COLORSPACE_JPEG),
+ JPG_FMT("CbYCrY 16 bit", 16, V4L2_PIX_FMT_UYVY),
+ JPG_FMT("CrYCbY 16 bit", 16, V4L2_PIX_FMT_VYUY),
+ JPG_FMT("YCbYCr 16 bit", 16, V4L2_PIX_FMT_YUYV),
+ JPG_FMT("YCrYCb 16 bit", 16, V4L2_PIX_FMT_YVYU),
RGB_FMT("RGB 565", 16, V4L2_PIX_FMT_RGB565),
RGB_FMT("RGB 555", 16, V4L2_PIX_FMT_RGB555),
RGB_FMT("Bayer (sRGB) 10 bit", 10, V4L2_PIX_FMT_SBGGR16),
@@ -145,7 +150,7 @@ enum mt9m111_context {
struct mt9m111 {
struct i2c_client *client;
struct soc_camera_device icd;
- int model; /* V4L2_IDENT_MT9M111* codes from v4l2-chip-ident.h */
+ int model; /* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */
enum mt9m111_context context;
unsigned int left, top, width, height;
u32 pixfmt;
@@ -158,6 +163,7 @@ struct mt9m111 {
unsigned int swap_rgb_red_blue:1;
unsigned int swap_yuv_y_chromas:1;
unsigned int swap_yuv_cb_cr:1;
+ unsigned int autowhitebalance:1;
};
static int reg_page_map_set(struct i2c_client *client, const u16 reg)
@@ -410,9 +416,13 @@ static int mt9m111_stop_capture(struct soc_camera_device *icd)
static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd)
{
- return SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING |
+ struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct soc_camera_link *icl = mt9m111->client->dev.platform_data;
+ unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING |
SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH |
SOCAM_DATAWIDTH_8;
+
+ return soc_camera_apply_sensor_flags(icl, flags);
}
static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f)
@@ -438,7 +448,24 @@ static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt)
case V4L2_PIX_FMT_RGB565:
ret = mt9m111_setfmt_rgb565(icd);
break;
+ case V4L2_PIX_FMT_UYVY:
+ mt9m111->swap_yuv_y_chromas = 0;
+ mt9m111->swap_yuv_cb_cr = 0;
+ ret = mt9m111_setfmt_yuv(icd);
+ break;
+ case V4L2_PIX_FMT_VYUY:
+ mt9m111->swap_yuv_y_chromas = 0;
+ mt9m111->swap_yuv_cb_cr = 1;
+ ret = mt9m111_setfmt_yuv(icd);
+ break;
case V4L2_PIX_FMT_YUYV:
+ mt9m111->swap_yuv_y_chromas = 1;
+ mt9m111->swap_yuv_cb_cr = 0;
+ ret = mt9m111_setfmt_yuv(icd);
+ break;
+ case V4L2_PIX_FMT_YVYU:
+ mt9m111->swap_yuv_y_chromas = 1;
+ mt9m111->swap_yuv_cb_cr = 1;
ret = mt9m111_setfmt_yuv(icd);
break;
default:
@@ -476,10 +503,12 @@ static int mt9m111_set_fmt(struct soc_camera_device *icd,
static int mt9m111_try_fmt(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;
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+
+ if (pix->height > MT9M111_MAX_HEIGHT)
+ pix->height = MT9M111_MAX_HEIGHT;
+ if (pix->width > MT9M111_MAX_WIDTH)
+ pix->width = MT9M111_MAX_WIDTH;
return 0;
}
@@ -634,18 +663,15 @@ static int mt9m111_set_flip(struct soc_camera_device *icd, int flip, int mask)
static int mt9m111_get_global_gain(struct soc_camera_device *icd)
{
- unsigned int data, gain;
+ int data;
data = reg_read(GLOBAL_GAIN);
if (data >= 0)
- gain = ((data & (1 << 10)) * 2)
- | ((data & (1 << 9)) * 2)
- | (data & 0x2f);
- else
- gain = data;
-
- return gain;
+ return (data & 0x2f) * (1 << ((data >> 10) & 1)) *
+ (1 << ((data >> 9) & 1));
+ return data;
}
+
static int mt9m111_set_global_gain(struct soc_camera_device *icd, int gain)
{
u16 val;
@@ -679,6 +705,23 @@ static int mt9m111_set_autoexposure(struct soc_camera_device *icd, int on)
return ret;
}
+
+static int mt9m111_set_autowhitebalance(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_AUTOWHITEBAL_EN);
+ else
+ ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
+
+ if (!ret)
+ mt9m111->autowhitebalance = on;
+
+ return ret;
+}
+
static int mt9m111_get_control(struct soc_camera_device *icd,
struct v4l2_control *ctrl)
{
@@ -715,6 +758,9 @@ static int mt9m111_get_control(struct soc_camera_device *icd,
case V4L2_CID_EXPOSURE_AUTO:
ctrl->value = mt9m111->autoexposure;
break;
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ ctrl->value = mt9m111->autowhitebalance;
+ break;
}
return 0;
}
@@ -748,6 +794,9 @@ static int mt9m111_set_control(struct soc_camera_device *icd,
case V4L2_CID_EXPOSURE_AUTO:
ret = mt9m111_set_autoexposure(icd, ctrl->value);
break;
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ ret = mt9m111_set_autowhitebalance(icd, ctrl->value);
+ break;
default:
ret = -EINVAL;
}
@@ -766,6 +815,7 @@ static int mt9m111_restore_state(struct soc_camera_device *icd)
mt9m111_set_flip(icd, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS);
mt9m111_set_global_gain(icd, icd->gain);
mt9m111_set_autoexposure(icd, mt9m111->autoexposure);
+ mt9m111_set_autowhitebalance(icd, mt9m111->autowhitebalance);
return 0;
}
@@ -798,7 +848,7 @@ static int mt9m111_init(struct soc_camera_device *icd)
if (!ret)
ret = mt9m111_set_autoexposure(icd, mt9m111->autoexposure);
if (ret)
- dev_err(&icd->dev, "mt9m111 init failed: %d\n", ret);
+ dev_err(&icd->dev, "mt9m11x init failed: %d\n", ret);
return ret;
}
@@ -808,7 +858,7 @@ static int mt9m111_release(struct soc_camera_device *icd)
ret = mt9m111_disable(icd);
if (ret < 0)
- dev_err(&icd->dev, "mt9m111 release failed: %d\n", ret);
+ dev_err(&icd->dev, "mt9m11x release failed: %d\n", ret);
return ret;
}
@@ -841,25 +891,30 @@ static int mt9m111_video_probe(struct soc_camera_device *icd)
data = reg_read(CHIP_VERSION);
switch (data) {
- case 0x143a:
+ case 0x143a: /* MT9M111 */
mt9m111->model = V4L2_IDENT_MT9M111;
- icd->formats = mt9m111_colour_formats;
- icd->num_formats = ARRAY_SIZE(mt9m111_colour_formats);
+ break;
+ case 0x148c: /* MT9M112 */
+ mt9m111->model = V4L2_IDENT_MT9M112;
break;
default:
ret = -ENODEV;
dev_err(&icd->dev,
- "No MT9M111 chip detected, register read %x\n", data);
+ "No MT9M11x chip detected, register read %x\n", data);
goto ei2c;
}
- dev_info(&icd->dev, "Detected a MT9M111 chip ID 0x143a\n");
+ icd->formats = mt9m111_colour_formats;
+ icd->num_formats = ARRAY_SIZE(mt9m111_colour_formats);
+
+ dev_info(&icd->dev, "Detected a MT9M11x chip ID %x\n", data);
ret = soc_camera_video_start(icd);
if (ret)
goto eisis;
mt9m111->autoexposure = 1;
+ mt9m111->autowhitebalance = 1;
mt9m111->swap_rgb_even_odd = 1;
mt9m111->swap_rgb_red_blue = 1;
@@ -893,7 +948,7 @@ static int mt9m111_probe(struct i2c_client *client,
int ret;
if (!icl) {
- dev_err(&client->dev, "MT9M111 driver needs platform data\n");
+ dev_err(&client->dev, "MT9M11x driver needs platform data\n");
return -EINVAL;
}
@@ -976,6 +1031,6 @@ static void __exit mt9m111_mod_exit(void)
module_init(mt9m111_mod_init);
module_exit(mt9m111_mod_exit);
-MODULE_DESCRIPTION("Micron MT9M111 Camera driver");
+MODULE_DESCRIPTION("Micron MT9M111/MT9M112 Camera driver");
MODULE_AUTHOR("Robert Jarzmik");
MODULE_LICENSE("GPL");
diff --git a/linux/drivers/media/video/mt9t031.c b/linux/drivers/media/video/mt9t031.c
new file mode 100644
index 000000000..1a9d53966
--- /dev/null
+++ b/linux/drivers/media/video/mt9t031.c
@@ -0,0 +1,736 @@
+/*
+ * Driver for MT9T031 CMOS Image Sensor from Micron
+ *
+ * Copyright (C) 2008, Guennadi Liakhovetski, DENX Software Engineering <lg@denx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/videodev2.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/log2.h>
+
+#include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/soc_camera.h>
+
+/* mt9t031 i2c address 0x5d
+ * The platform has to define i2c_board_info
+ * and call i2c_register_board_info() */
+
+/* mt9t031 selected register addresses */
+#define MT9T031_CHIP_VERSION 0x00
+#define MT9T031_ROW_START 0x01
+#define MT9T031_COLUMN_START 0x02
+#define MT9T031_WINDOW_HEIGHT 0x03
+#define MT9T031_WINDOW_WIDTH 0x04
+#define MT9T031_HORIZONTAL_BLANKING 0x05
+#define MT9T031_VERTICAL_BLANKING 0x06
+#define MT9T031_OUTPUT_CONTROL 0x07
+#define MT9T031_SHUTTER_WIDTH_UPPER 0x08
+#define MT9T031_SHUTTER_WIDTH 0x09
+#define MT9T031_PIXEL_CLOCK_CONTROL 0x0a
+#define MT9T031_FRAME_RESTART 0x0b
+#define MT9T031_SHUTTER_DELAY 0x0c
+#define MT9T031_RESET 0x0d
+#define MT9T031_READ_MODE_1 0x1e
+#define MT9T031_READ_MODE_2 0x20
+#define MT9T031_READ_MODE_3 0x21
+#define MT9T031_ROW_ADDRESS_MODE 0x22
+#define MT9T031_COLUMN_ADDRESS_MODE 0x23
+#define MT9T031_GLOBAL_GAIN 0x35
+#define MT9T031_CHIP_ENABLE 0xF8
+
+#define MT9T031_MAX_HEIGHT 1536
+#define MT9T031_MAX_WIDTH 2048
+#define MT9T031_MIN_HEIGHT 2
+#define MT9T031_MIN_WIDTH 2
+#define MT9T031_HORIZONTAL_BLANK 142
+#define MT9T031_VERTICAL_BLANK 25
+#define MT9T031_COLUMN_SKIP 32
+#define MT9T031_ROW_SKIP 20
+
+#define MT9T031_BUS_PARAM (SOCAM_PCLK_SAMPLE_RISING | \
+ SOCAM_PCLK_SAMPLE_FALLING | SOCAM_HSYNC_ACTIVE_HIGH | \
+ SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_DATA_ACTIVE_HIGH | \
+ SOCAM_MASTER | SOCAM_DATAWIDTH_10)
+
+static const struct soc_camera_data_format mt9t031_colour_formats[] = {
+ {
+ .name = "Bayer (sRGB) 10 bit",
+ .depth = 10,
+ .fourcc = V4L2_PIX_FMT_SGRBG10,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ }
+};
+
+struct mt9t031 {
+ struct i2c_client *client;
+ struct soc_camera_device icd;
+ int model; /* V4L2_IDENT_MT9T031* codes from v4l2-chip-ident.h */
+ unsigned char autoexposure;
+ u16 xskip;
+ u16 yskip;
+};
+
+static int reg_read(struct soc_camera_device *icd, const u8 reg)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+ struct i2c_client *client = mt9t031->client;
+ s32 data = i2c_smbus_read_word_data(client, reg);
+ return data < 0 ? data : swab16(data);
+}
+
+static int reg_write(struct soc_camera_device *icd, const u8 reg,
+ const u16 data)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+ return i2c_smbus_write_word_data(mt9t031->client, reg, swab16(data));
+}
+
+static int reg_set(struct soc_camera_device *icd, const u8 reg,
+ const u16 data)
+{
+ int ret;
+
+ ret = reg_read(icd, reg);
+ if (ret < 0)
+ return ret;
+ return reg_write(icd, reg, ret | data);
+}
+
+static int reg_clear(struct soc_camera_device *icd, const u8 reg,
+ const u16 data)
+{
+ int ret;
+
+ ret = reg_read(icd, reg);
+ if (ret < 0)
+ return ret;
+ return reg_write(icd, reg, ret & ~data);
+}
+
+static int set_shutter(struct soc_camera_device *icd, const u32 data)
+{
+ int ret;
+
+ ret = reg_write(icd, MT9T031_SHUTTER_WIDTH_UPPER, data >> 16);
+
+ if (ret >= 0)
+ ret = reg_write(icd, MT9T031_SHUTTER_WIDTH, data & 0xffff);
+
+ return ret;
+}
+
+static int get_shutter(struct soc_camera_device *icd, u32 *data)
+{
+ int ret;
+
+ ret = reg_read(icd, MT9T031_SHUTTER_WIDTH_UPPER);
+ *data = ret << 16;
+
+ if (ret >= 0)
+ ret = reg_read(icd, MT9T031_SHUTTER_WIDTH);
+ *data |= ret & 0xffff;
+
+ return ret < 0 ? ret : 0;
+}
+
+static int mt9t031_init(struct soc_camera_device *icd)
+{
+ int ret;
+
+ /* Disable chip output, synchronous option update */
+ dev_dbg(icd->vdev->parent, "%s\n", __func__);
+
+ ret = reg_write(icd, MT9T031_RESET, 1);
+ if (ret >= 0)
+ ret = reg_write(icd, MT9T031_RESET, 0);
+ if (ret >= 0)
+ ret = reg_clear(icd, MT9T031_OUTPUT_CONTROL, 3);
+
+ return ret >= 0 ? 0 : -EIO;
+}
+
+static int mt9t031_release(struct soc_camera_device *icd)
+{
+ /* Disable the chip */
+ reg_clear(icd, MT9T031_OUTPUT_CONTROL, 3);
+ return 0;
+}
+
+static int mt9t031_start_capture(struct soc_camera_device *icd)
+{
+ /* Switch to master "normal" mode */
+ if (reg_set(icd, MT9T031_OUTPUT_CONTROL, 3) < 0)
+ return -EIO;
+ return 0;
+}
+
+static int mt9t031_stop_capture(struct soc_camera_device *icd)
+{
+ /* Stop sensor readout */
+ if (reg_clear(icd, MT9T031_OUTPUT_CONTROL, 3) < 0)
+ return -EIO;
+ return 0;
+}
+
+static int mt9t031_set_bus_param(struct soc_camera_device *icd,
+ unsigned long flags)
+{
+ /* The caller should have queried our parameters, check anyway */
+ if (flags & ~MT9T031_BUS_PARAM)
+ return -EINVAL;
+
+ if (flags & SOCAM_PCLK_SAMPLE_FALLING)
+ reg_set(icd, MT9T031_PIXEL_CLOCK_CONTROL, 0x8000);
+ else
+ reg_clear(icd, MT9T031_PIXEL_CLOCK_CONTROL, 0x8000);
+
+ return 0;
+}
+
+static unsigned long mt9t031_query_bus_param(struct soc_camera_device *icd)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+ struct soc_camera_link *icl = mt9t031->client->dev.platform_data;
+
+ return soc_camera_apply_sensor_flags(icl, MT9T031_BUS_PARAM);
+}
+
+static int mt9t031_set_fmt(struct soc_camera_device *icd,
+ __u32 pixfmt, struct v4l2_rect *rect)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+ int ret;
+ const u16 hblank = MT9T031_HORIZONTAL_BLANK,
+ vblank = MT9T031_VERTICAL_BLANK;
+ u16 xbin, xskip = mt9t031->xskip, ybin, yskip = mt9t031->yskip,
+ width = rect->width * xskip, height = rect->height * yskip;
+
+ if (pixfmt) {
+ /* S_FMT - use binning and skipping for scaling, recalculate */
+ /* Is this more optimal than just a division? */
+ for (xskip = 8; xskip > 1; xskip--)
+ if (rect->width * xskip <= icd->width_max)
+ break;
+
+ for (yskip = 8; yskip > 1; yskip--)
+ if (rect->height * yskip <= icd->height_max)
+ break;
+
+ width = rect->width * xskip;
+ height = rect->height * yskip;
+
+ dev_dbg(&icd->dev, "xskip %u, width %u, yskip %u, height %u\n",
+ xskip, width, yskip, height);
+ }
+
+ xbin = min(xskip, (u16)3);
+ ybin = min(yskip, (u16)3);
+
+ /* Make sure we don't exceed frame limits */
+ if (rect->left + width > icd->width_max)
+ rect->left = (icd->width_max - width) / 2;
+
+ if (rect->top + height > icd->height_max)
+ rect->top = (icd->height_max - height) / 2;
+
+ /* Could just do roundup(rect->left, [xy]bin); but this is cheaper */
+ switch (xbin) {
+ case 2:
+ rect->left = (rect->left + 1) & ~1;
+ break;
+ case 3:
+ rect->left = roundup(rect->left, 3);
+ }
+
+ switch (ybin) {
+ case 2:
+ rect->top = (rect->top + 1) & ~1;
+ break;
+ case 3:
+ rect->top = roundup(rect->top, 3);
+ }
+
+ /* Blanking and start values - default... */
+ ret = reg_write(icd, MT9T031_HORIZONTAL_BLANKING, hblank);
+ if (ret >= 0)
+ ret = reg_write(icd, MT9T031_VERTICAL_BLANKING, vblank);
+
+ if (pixfmt) {
+ /* Binning, skipping */
+ if (ret >= 0)
+ ret = reg_write(icd, MT9T031_COLUMN_ADDRESS_MODE,
+ ((xbin - 1) << 4) | (xskip - 1));
+ if (ret >= 0)
+ ret = reg_write(icd, MT9T031_ROW_ADDRESS_MODE,
+ ((ybin - 1) << 4) | (yskip - 1));
+ }
+ dev_dbg(&icd->dev, "new left %u, top %u\n", rect->left, rect->top);
+
+ /* The caller provides a supported format, as guaranteed by
+ * icd->try_fmt_cap(), soc_camera_s_crop() and soc_camera_cropcap() */
+ if (ret >= 0)
+ ret = reg_write(icd, MT9T031_COLUMN_START, rect->left);
+ if (ret >= 0)
+ ret = reg_write(icd, MT9T031_ROW_START, rect->top);
+ if (ret >= 0)
+ ret = reg_write(icd, MT9T031_WINDOW_WIDTH, width - 1);
+ if (ret >= 0)
+ ret = reg_write(icd, MT9T031_WINDOW_HEIGHT,
+ height + icd->y_skip_top - 1);
+ if (ret >= 0 && mt9t031->autoexposure) {
+ ret = set_shutter(icd, height + icd->y_skip_top + vblank);
+ if (ret >= 0) {
+ const u32 shutter_max = MT9T031_MAX_HEIGHT + vblank;
+ const struct v4l2_queryctrl *qctrl =
+ soc_camera_find_qctrl(icd->ops,
+ V4L2_CID_EXPOSURE);
+ icd->exposure = (shutter_max / 2 + (height +
+ icd->y_skip_top + vblank - 1) *
+ (qctrl->maximum - qctrl->minimum)) /
+ shutter_max + qctrl->minimum;
+ }
+ }
+
+ if (!ret && pixfmt) {
+ mt9t031->xskip = xskip;
+ mt9t031->yskip = yskip;
+ }
+
+ return ret < 0 ? ret : 0;
+}
+
+static int mt9t031_try_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+
+ if (pix->height < icd->height_min)
+ pix->height = icd->height_min;
+ if (pix->height > icd->height_max)
+ pix->height = icd->height_max;
+ if (pix->width < icd->width_min)
+ pix->width = icd->width_min;
+ if (pix->width > icd->width_max)
+ pix->width = icd->width_max;
+
+ pix->width &= ~0x01; /* has to be even */
+ pix->height &= ~0x01; /* has to be even */
+
+ return 0;
+}
+
+static int mt9t031_get_chip_id(struct soc_camera_device *icd,
+ struct v4l2_chip_ident *id)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+
+ if (id->match_type != V4L2_CHIP_MATCH_I2C_ADDR)
+ return -EINVAL;
+
+ if (id->match_chip != mt9t031->client->addr)
+ return -ENODEV;
+
+ id->ident = mt9t031->model;
+ id->revision = 0;
+
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int mt9t031_get_register(struct soc_camera_device *icd,
+ struct v4l2_register *reg)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+
+ if (reg->match_type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0xff)
+ return -EINVAL;
+
+ if (reg->match_chip != mt9t031->client->addr)
+ return -ENODEV;
+
+ reg->val = reg_read(icd, reg->reg);
+
+ if (reg->val > 0xffff)
+ return -EIO;
+
+ return 0;
+}
+
+static int mt9t031_set_register(struct soc_camera_device *icd,
+ struct v4l2_register *reg)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+
+ if (reg->match_type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0xff)
+ return -EINVAL;
+
+ if (reg->match_chip != mt9t031->client->addr)
+ return -ENODEV;
+
+ if (reg_write(icd, reg->reg, reg->val) < 0)
+ return -EIO;
+
+ return 0;
+}
+#endif
+
+static const struct v4l2_queryctrl mt9t031_controls[] = {
+ {
+ .id = V4L2_CID_VFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Flip Vertically",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 0,
+ }, {
+ .id = V4L2_CID_GAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Gain",
+ .minimum = 0,
+ .maximum = 127,
+ .step = 1,
+ .default_value = 64,
+ .flags = V4L2_CTRL_FLAG_SLIDER,
+ }, {
+ .id = V4L2_CID_EXPOSURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Exposure",
+ .minimum = 1,
+ .maximum = 255,
+ .step = 1,
+ .default_value = 255,
+ .flags = V4L2_CTRL_FLAG_SLIDER,
+ }, {
+ .id = V4L2_CID_EXPOSURE_AUTO,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Automatic Exposure",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 1,
+ }
+};
+
+static int mt9t031_video_probe(struct soc_camera_device *);
+static void mt9t031_video_remove(struct soc_camera_device *);
+static int mt9t031_get_control(struct soc_camera_device *, struct v4l2_control *);
+static int mt9t031_set_control(struct soc_camera_device *, struct v4l2_control *);
+
+static struct soc_camera_ops mt9t031_ops = {
+ .owner = THIS_MODULE,
+ .probe = mt9t031_video_probe,
+ .remove = mt9t031_video_remove,
+ .init = mt9t031_init,
+ .release = mt9t031_release,
+ .start_capture = mt9t031_start_capture,
+ .stop_capture = mt9t031_stop_capture,
+ .set_fmt = mt9t031_set_fmt,
+ .try_fmt = mt9t031_try_fmt,
+ .set_bus_param = mt9t031_set_bus_param,
+ .query_bus_param = mt9t031_query_bus_param,
+ .controls = mt9t031_controls,
+ .num_controls = ARRAY_SIZE(mt9t031_controls),
+ .get_control = mt9t031_get_control,
+ .set_control = mt9t031_set_control,
+ .get_chip_id = mt9t031_get_chip_id,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .get_register = mt9t031_get_register,
+ .set_register = mt9t031_set_register,
+#endif
+};
+
+static int mt9t031_get_control(struct soc_camera_device *icd, struct v4l2_control *ctrl)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+ int data;
+
+ switch (ctrl->id) {
+ case V4L2_CID_VFLIP:
+ data = reg_read(icd, MT9T031_READ_MODE_2);
+ if (data < 0)
+ return -EIO;
+ ctrl->value = !!(data & 0x8000);
+ break;
+ case V4L2_CID_HFLIP:
+ data = reg_read(icd, MT9T031_READ_MODE_2);
+ if (data < 0)
+ return -EIO;
+ ctrl->value = !!(data & 0x4000);
+ break;
+ case V4L2_CID_EXPOSURE_AUTO:
+ ctrl->value = mt9t031->autoexposure;
+ break;
+ }
+ return 0;
+}
+
+static int mt9t031_set_control(struct soc_camera_device *icd, struct v4l2_control *ctrl)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+ const struct v4l2_queryctrl *qctrl;
+ int data;
+
+ qctrl = soc_camera_find_qctrl(&mt9t031_ops, ctrl->id);
+
+ if (!qctrl)
+ return -EINVAL;
+
+ switch (ctrl->id) {
+ case V4L2_CID_VFLIP:
+ if (ctrl->value)
+ data = reg_set(icd, MT9T031_READ_MODE_2, 0x8000);
+ else
+ data = reg_clear(icd, MT9T031_READ_MODE_2, 0x8000);
+ if (data < 0)
+ return -EIO;
+ break;
+ case V4L2_CID_HFLIP:
+ if (ctrl->value)
+ data = reg_set(icd, MT9T031_READ_MODE_2, 0x4000);
+ else
+ data = reg_clear(icd, MT9T031_READ_MODE_2, 0x4000);
+ if (data < 0)
+ return -EIO;
+ break;
+ case V4L2_CID_GAIN:
+ if (ctrl->value > qctrl->maximum || ctrl->value < qctrl->minimum)
+ return -EINVAL;
+ /* See Datasheet Table 7, Gain settings. */
+ if (ctrl->value <= qctrl->default_value) {
+ /* Pack it into 0..1 step 0.125, register values 0..8 */
+ unsigned long range = qctrl->default_value - qctrl->minimum;
+ data = ((ctrl->value - qctrl->minimum) * 8 + range / 2) / range;
+
+ dev_dbg(&icd->dev, "Setting gain %d\n", data);
+ data = reg_write(icd, MT9T031_GLOBAL_GAIN, data);
+ if (data < 0)
+ return -EIO;
+ } else {
+ /* Pack it into 1.125..15 variable step, register values 9..67 */
+ /* We assume qctrl->maximum - qctrl->default_value - 1 > 0 */
+ unsigned long range = qctrl->maximum - qctrl->default_value - 1;
+ unsigned long gain = ((ctrl->value - qctrl->default_value - 1) *
+ 111 + range / 2) / range + 9;
+
+ if (gain <= 32)
+ data = gain;
+ else if (gain <= 64)
+ data = ((gain - 32) * 16 + 16) / 32 + 80;
+ else
+ data = ((gain - 64) * 7 + 28) / 56 + 96;
+
+ dev_dbg(&icd->dev, "Setting gain from %d to %d\n",
+ reg_read(icd, MT9T031_GLOBAL_GAIN), data);
+ data = reg_write(icd, MT9T031_GLOBAL_GAIN, data);
+ if (data < 0)
+ return -EIO;
+ }
+
+ /* Success */
+ icd->gain = ctrl->value;
+ break;
+ case V4L2_CID_EXPOSURE:
+ /* mt9t031 has maximum == default */
+ if (ctrl->value > qctrl->maximum || ctrl->value < qctrl->minimum)
+ return -EINVAL;
+ else {
+ const unsigned long range = qctrl->maximum - qctrl->minimum;
+ const u32 shutter = ((ctrl->value - qctrl->minimum) * 1048 +
+ range / 2) / range + 1;
+ u32 old;
+
+ get_shutter(icd, &old);
+ dev_dbg(&icd->dev, "Setting shutter width from %u to %u\n",
+ old, shutter);
+ if (set_shutter(icd, shutter) < 0)
+ return -EIO;
+ icd->exposure = ctrl->value;
+ mt9t031->autoexposure = 0;
+ }
+ break;
+ case V4L2_CID_EXPOSURE_AUTO:
+ if (ctrl->value) {
+ const u16 vblank = MT9T031_VERTICAL_BLANK;
+ const u32 shutter_max = MT9T031_MAX_HEIGHT + vblank;
+ if (set_shutter(icd, icd->height +
+ icd->y_skip_top + vblank) < 0)
+ return -EIO;
+ qctrl = soc_camera_find_qctrl(icd->ops, V4L2_CID_EXPOSURE);
+ icd->exposure = (shutter_max / 2 + (icd->height +
+ icd->y_skip_top + vblank - 1) *
+ (qctrl->maximum - qctrl->minimum)) /
+ shutter_max + qctrl->minimum;
+ mt9t031->autoexposure = 1;
+ } else
+ mt9t031->autoexposure = 0;
+ break;
+ }
+ return 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 mt9t031_video_probe(struct soc_camera_device *icd)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, 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;
+
+ /* Enable the chip */
+ data = reg_write(icd, MT9T031_CHIP_ENABLE, 1);
+ dev_dbg(&icd->dev, "write: %d\n", data);
+
+ /* Read out the chip version register */
+ data = reg_read(icd, MT9T031_CHIP_VERSION);
+
+ switch (data) {
+ case 0x1621:
+ mt9t031->model = V4L2_IDENT_MT9T031;
+ icd->formats = mt9t031_colour_formats;
+ icd->num_formats = ARRAY_SIZE(mt9t031_colour_formats);
+ break;
+ default:
+ ret = -ENODEV;
+ dev_err(&icd->dev,
+ "No MT9T031 chip detected, register read %x\n", data);
+ goto ei2c;
+ }
+
+ dev_info(&icd->dev, "Detected a MT9T031 chip ID %x\n", data);
+
+ /* Now that we know the model, we can start video */
+ ret = soc_camera_video_start(icd);
+ if (ret)
+ goto evstart;
+
+ return 0;
+
+evstart:
+ei2c:
+ return ret;
+}
+
+static void mt9t031_video_remove(struct soc_camera_device *icd)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+
+ dev_dbg(&icd->dev, "Video %x removed: %p, %p\n", mt9t031->client->addr,
+ icd->dev.parent, icd->vdev);
+ soc_camera_video_stop(icd);
+}
+
+static int mt9t031_probe(struct i2c_client *client,
+ const struct i2c_device_id *did)
+{
+ struct mt9t031 *mt9t031;
+ 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, "MT9T031 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;
+ }
+
+ mt9t031 = kzalloc(sizeof(struct mt9t031), GFP_KERNEL);
+ if (!mt9t031)
+ return -ENOMEM;
+
+ mt9t031->client = client;
+ i2c_set_clientdata(client, mt9t031);
+
+ /* Second stage probe - when a capture adapter is there */
+ icd = &mt9t031->icd;
+ icd->ops = &mt9t031_ops;
+ icd->control = &client->dev;
+ icd->x_min = MT9T031_COLUMN_SKIP;
+ icd->y_min = MT9T031_ROW_SKIP;
+ icd->x_current = icd->x_min;
+ icd->y_current = icd->y_min;
+ icd->width_min = MT9T031_MIN_WIDTH;
+ icd->width_max = MT9T031_MAX_WIDTH;
+ icd->height_min = MT9T031_MIN_HEIGHT;
+ icd->height_max = MT9T031_MAX_HEIGHT;
+ icd->y_skip_top = 0;
+ icd->iface = icl->bus_id;
+ /* Simulated autoexposure. If enabled, we calculate shutter width
+ * ourselves in the driver based on vertical blanking and frame width */
+ mt9t031->autoexposure = 1;
+
+ mt9t031->xskip = 1;
+ mt9t031->yskip = 1;
+
+ ret = soc_camera_device_register(icd);
+ if (ret)
+ goto eisdr;
+
+ return 0;
+
+eisdr:
+ i2c_set_clientdata(client, NULL);
+ kfree(mt9t031);
+ return ret;
+}
+
+static int mt9t031_remove(struct i2c_client *client)
+{
+ struct mt9t031 *mt9t031 = i2c_get_clientdata(client);
+
+ soc_camera_device_unregister(&mt9t031->icd);
+ i2c_set_clientdata(client, NULL);
+ kfree(mt9t031);
+
+ return 0;
+}
+
+static const struct i2c_device_id mt9t031_id[] = {
+ { "mt9t031", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, mt9t031_id);
+
+static struct i2c_driver mt9t031_i2c_driver = {
+ .driver = {
+ .name = "mt9t031",
+ },
+ .probe = mt9t031_probe,
+ .remove = mt9t031_remove,
+ .id_table = mt9t031_id,
+};
+
+static int __init mt9t031_mod_init(void)
+{
+ return i2c_add_driver(&mt9t031_i2c_driver);
+}
+
+static void __exit mt9t031_mod_exit(void)
+{
+ i2c_del_driver(&mt9t031_i2c_driver);
+}
+
+module_init(mt9t031_mod_init);
+module_exit(mt9t031_mod_exit);
+
+MODULE_DESCRIPTION("Micron MT9T031 Camera driver");
+MODULE_AUTHOR("Guennadi Liakhovetski <lg@denx.de>");
+MODULE_LICENSE("GPL v2");
diff --git a/linux/drivers/media/video/mt9v022.c b/linux/drivers/media/video/mt9v022.c
index 1ca28c087..e2579559d 100644
--- a/linux/drivers/media/video/mt9v022.c
+++ b/linux/drivers/media/video/mt9v022.c
@@ -273,6 +273,7 @@ static int mt9v022_set_bus_param(struct soc_camera_device *icd,
unsigned long flags)
{
struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd);
+ struct soc_camera_link *icl = mt9v022->client->dev.platform_data;
unsigned int width_flag = flags & SOCAM_DATAWIDTH_MASK;
int ret;
u16 pixclk = 0;
@@ -296,6 +297,8 @@ static int mt9v022_set_bus_param(struct soc_camera_device *icd,
mt9v022->datawidth = width_flag == SOCAM_DATAWIDTH_8 ? 8 : 10;
}
+ flags = soc_camera_apply_sensor_flags(icl, flags);
+
if (flags & SOCAM_PCLK_SAMPLE_RISING)
pixclk |= 0x10;
@@ -403,15 +406,17 @@ static int mt9v022_set_fmt(struct soc_camera_device *icd,
static int mt9v022_try_fmt(struct soc_camera_device *icd,
struct v4l2_format *f)
{
- if (f->fmt.pix.height < 32 + icd->y_skip_top)
- f->fmt.pix.height = 32 + icd->y_skip_top;
- if (f->fmt.pix.height > 480 + icd->y_skip_top)
- f->fmt.pix.height = 480 + icd->y_skip_top;
- if (f->fmt.pix.width < 48)
- f->fmt.pix.width = 48;
- if (f->fmt.pix.width > 752)
- f->fmt.pix.width = 752;
- f->fmt.pix.width &= ~0x03; /* ? */
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+
+ if (pix->height < 32 + icd->y_skip_top)
+ pix->height = 32 + icd->y_skip_top;
+ if (pix->height > 480 + icd->y_skip_top)
+ pix->height = 480 + icd->y_skip_top;
+ if (pix->width < 48)
+ pix->width = 48;
+ if (pix->width > 752)
+ pix->width = 752;
+ pix->width &= ~0x03; /* ? */
return 0;
}
@@ -690,6 +695,7 @@ static int mt9v022_set_control(struct soc_camera_device *icd,
static int mt9v022_video_probe(struct soc_camera_device *icd)
{
struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd);
+ struct soc_camera_link *icl = mt9v022->client->dev.platform_data;
s32 data;
int ret;
@@ -725,7 +731,7 @@ static int mt9v022_video_probe(struct soc_camera_device *icd)
ret = reg_write(icd, MT9V022_PIXEL_OPERATION_MODE, 4 | 0x11);
mt9v022->model = V4L2_IDENT_MT9V022IX7ATC;
icd->formats = mt9v022_colour_formats;
- if (mt9v022->client->dev.platform_data)
+ if (gpio_is_valid(icl->gpio))
icd->num_formats = ARRAY_SIZE(mt9v022_colour_formats);
else
icd->num_formats = 1;
@@ -733,7 +739,7 @@ static int mt9v022_video_probe(struct soc_camera_device *icd)
ret = reg_write(icd, MT9V022_PIXEL_OPERATION_MODE, 0x11);
mt9v022->model = V4L2_IDENT_MT9V022IX7ATM;
icd->formats = mt9v022_monochrome_formats;
- if (mt9v022->client->dev.platform_data)
+ if (gpio_is_valid(icl->gpio))
icd->num_formats = ARRAY_SIZE(mt9v022_monochrome_formats);
else
icd->num_formats = 1;
@@ -760,8 +766,8 @@ static void mt9v022_video_remove(struct soc_camera_device *icd)
struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd);
dev_dbg(&icd->dev, "Video %x removed: %p, %p\n", mt9v022->client->addr,
- mt9v022->icd.dev.parent, mt9v022->icd.vdev);
- soc_camera_video_stop(&mt9v022->icd);
+ icd->dev.parent, icd->vdev);
+ soc_camera_video_stop(icd);
}
static int mt9v022_probe(struct i2c_client *client,
diff --git a/linux/drivers/media/video/ov772x.c b/linux/drivers/media/video/ov772x.c
index c023bbc84..932444623 100644
--- a/linux/drivers/media/video/ov772x.c
+++ b/linux/drivers/media/video/ov772x.c
@@ -51,6 +51,7 @@
#define COM8 0x13 /* Common control 8 */
#define COM9 0x14 /* Common control 9 */
#define COM10 0x15 /* Common control 10 */
+#define REG16 0x16 /* Register 16 */
#define HSTART 0x17 /* Horizontal sensor size */
#define HSIZE 0x18 /* Horizontal frame (HREF column) end high 8-bit */
#define VSTART 0x19 /* Vertical frame (row) start high 8-bit */
@@ -65,6 +66,7 @@
#define AEW 0x24 /* AGC/AEC - Stable operating region (upper limit) */
#define AEB 0x25 /* AGC/AEC - Stable operating region (lower limit) */
#define VPT 0x26 /* AGC/AEC Fast mode operating region */
+#define REG28 0x28 /* Register 28 */
#define HOUTSIZE 0x29 /* Horizontal data output size MSBs */
#define EXHCH 0x2A /* Dummy pixel insert MSB */
#define EXHCL 0x2B /* Dummy pixel insert LSB */
@@ -94,6 +96,7 @@
#define TGT_R 0x43 /* BLC red channel target value */
#define TGT_GB 0x44 /* BLC Gb channel target value */
#define TGT_GR 0x45 /* BLC Gr channel target value */
+/* for ov7720 */
#define LCC0 0x46 /* Lens correction control 0 */
#define LCC1 0x47 /* Lens correction option 1 - X coordinate */
#define LCC2 0x48 /* Lens correction option 2 - Y coordinate */
@@ -101,6 +104,15 @@
#define LCC4 0x4A /* Lens correction option 4 - radius of the circular */
#define LCC5 0x4B /* Lens correction option 5 */
#define LCC6 0x4C /* Lens correction option 6 */
+/* for ov7725 */
+#define LC_CTR 0x46 /* Lens correction control */
+#define LC_XC 0x47 /* X coordinate of lens correction center relative */
+#define LC_YC 0x48 /* Y coordinate of lens correction center relative */
+#define LC_COEF 0x49 /* Lens correction coefficient */
+#define LC_RADI 0x4A /* Lens correction radius */
+#define LC_COEFB 0x4B /* Lens B channel compensation coefficient */
+#define LC_COEFR 0x4C /* Lens R channel compensation coefficient */
+
#define FIXGAIN 0x4D /* Analog fix gain amplifer */
#define AREF0 0x4E /* Sensor reference control */
#define AREF1 0x4F /* Sensor reference current control */
@@ -182,8 +194,13 @@
#define SDE 0xA6 /* Special digital effect control */
#define USAT 0xA7 /* U component saturation control */
#define VSAT 0xA8 /* V component saturation control */
+/* for ov7720 */
#define HUE0 0xA9 /* Hue control 0 */
#define HUE1 0xAA /* Hue control 1 */
+/* for ov7725 */
+#define HUECOS 0xA9 /* Cosine value */
+#define HUESIN 0xAA /* Sine value */
+
#define SIGN 0xAB /* Sign bit for Hue and contrast */
#define DSPAUTO 0xAC /* DSP auto function ON/OFF control */
@@ -346,6 +363,13 @@
#define OP_SWAP_RGB 0x00000002
/*
+ * ID
+ */
+#define OV7720 0x7720
+#define OV7725 0x7721
+#define VERSION(pid, ver) ((pid<<8)|(ver&0xFF))
+
+/*
* struct
*/
struct regval_list {
@@ -374,34 +398,22 @@ struct ov772x_priv {
struct soc_camera_device icd;
const struct ov772x_color_format *fmt;
const struct ov772x_win_size *win;
+ int model;
};
#define ENDMARKER { 0xff, 0xff }
-static const struct regval_list ov772x_default_regs[] =
-{
- { COM3, 0x00 },
- { COM4, PLL_4x | 0x01 },
- { 0x16, 0x00 }, /* Mystery */
- { COM11, 0x10 }, /* Mystery */
- { 0x28, 0x00 }, /* Mystery */
- { HREF, 0x00 },
- { COM13, 0xe2 }, /* Mystery */
- { AREF0, 0xef },
- { AREF2, 0x60 },
- { AREF6, 0x7a },
- ENDMARKER,
-};
-
/*
* register setting for color format
*/
static const struct regval_list ov772x_RGB555_regs[] = {
+ { COM3, 0x00 },
{ COM7, FMT_RGB555 | OFMT_RGB },
ENDMARKER,
};
static const struct regval_list ov772x_RGB565_regs[] = {
+ { COM3, 0x00 },
{ COM7, FMT_RGB565 | OFMT_RGB },
ENDMARKER,
};
@@ -413,6 +425,7 @@ static const struct regval_list ov772x_YYUV_regs[] = {
};
static const struct regval_list ov772x_UVYY_regs[] = {
+ { COM3, 0x00 },
{ COM7, OFMT_YUV },
ENDMARKER,
};
@@ -624,7 +637,6 @@ static int ov772x_start_capture(struct soc_camera_device *icd)
struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
int ret;
-
if (!priv->win)
priv->win = &ov772x_win_vga;
if (!priv->fmt)
@@ -634,9 +646,6 @@ static int ov772x_start_capture(struct soc_camera_device *icd)
* reset hardware
*/
ov772x_reset(priv->client);
- ret = ov772x_write_array(priv->client, ov772x_default_regs);
- if (ret < 0)
- goto start_end;
/*
* set color format
@@ -680,7 +689,7 @@ static int ov772x_start_capture(struct soc_camera_device *icd)
goto start_end;
}
- dev_info(&icd->dev,
+ dev_dbg(&icd->dev,
"format %s, win %s\n", priv->fmt->name, priv->win->name);
start_end:
@@ -706,18 +715,20 @@ static int ov772x_set_bus_param(struct soc_camera_device *icd,
static unsigned long ov772x_query_bus_param(struct soc_camera_device *icd)
{
struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
-
- return SOCAM_PCLK_SAMPLE_RISING |
- SOCAM_HSYNC_ACTIVE_HIGH |
- SOCAM_VSYNC_ACTIVE_HIGH |
- SOCAM_MASTER |
+ struct soc_camera_link *icl = priv->client->dev.platform_data;
+ unsigned long flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_MASTER |
+ SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_HIGH |
priv->info->buswidth;
+
+ return soc_camera_apply_sensor_flags(icl, flags);
}
static int ov772x_get_chip_id(struct soc_camera_device *icd,
struct v4l2_chip_ident *id)
{
- id->ident = V4L2_IDENT_OV772X;
+ struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
+
+ id->ident = priv->model;
id->revision = 0;
return 0;
@@ -755,6 +766,27 @@ static int ov772x_set_register(struct soc_camera_device *icd,
}
#endif
+static const struct ov772x_win_size*
+ov772x_select_win(u32 width, u32 height)
+{
+ __u32 diff;
+ const struct ov772x_win_size *win;
+
+ /* default is QVGA */
+ diff = abs(width - ov772x_win_qvga.width) +
+ abs(height - ov772x_win_qvga.height);
+ win = &ov772x_win_qvga;
+
+ /* VGA */
+ if (diff >
+ abs(width - ov772x_win_vga.width) +
+ abs(height - ov772x_win_vga.height))
+ win = &ov772x_win_vga;
+
+ return win;
+}
+
+
static int ov772x_set_fmt(struct soc_camera_device *icd,
__u32 pixfmt,
struct v4l2_rect *rect)
@@ -775,34 +807,28 @@ static int ov772x_set_fmt(struct soc_camera_device *icd,
}
}
+ /*
+ * select win
+ */
+ priv->win = ov772x_select_win(rect->width, rect->height);
+
return ret;
}
static int ov772x_try_fmt(struct soc_camera_device *icd,
struct v4l2_format *f)
{
- struct v4l2_pix_format *pix = &f->fmt.pix;
- struct ov772x_priv *priv;
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ const struct ov772x_win_size *win;
- priv = container_of(icd, struct ov772x_priv, icd);
-
- /* QVGA */
- if (pix->width <= ov772x_win_qvga.width ||
- pix->height <= ov772x_win_qvga.height) {
- priv->win = &ov772x_win_qvga;
- pix->width = ov772x_win_qvga.width;
- pix->height = ov772x_win_qvga.height;
- }
-
- /* VGA */
- else if (pix->width <= ov772x_win_vga.width ||
- pix->height <= ov772x_win_vga.height) {
- priv->win = &ov772x_win_vga;
- pix->width = ov772x_win_vga.width;
- pix->height = ov772x_win_vga.height;
- }
+ /*
+ * select suitable win
+ */
+ win = ov772x_select_win(pix->width, pix->height);
- pix->field = V4L2_FIELD_NONE;
+ pix->width = win->width;
+ pix->height = win->height;
+ pix->field = V4L2_FIELD_NONE;
return 0;
}
@@ -811,6 +837,7 @@ static int ov772x_video_probe(struct soc_camera_device *icd)
{
struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
u8 pid, ver;
+ const char *devname;
/*
* We must have a parent by now. And it cannot be a wrong one.
@@ -837,15 +864,25 @@ static int ov772x_video_probe(struct soc_camera_device *icd)
*/
pid = i2c_smbus_read_byte_data(priv->client, PID);
ver = i2c_smbus_read_byte_data(priv->client, VER);
- if (pid != 0x77 ||
- ver != 0x21) {
+
+ switch (VERSION(pid, ver)) {
+ case OV7720:
+ devname = "ov7720";
+ priv->model = V4L2_IDENT_OV7720;
+ break;
+ case OV7725:
+ devname = "ov7725";
+ priv->model = V4L2_IDENT_OV7725;
+ break;
+ default:
dev_err(&icd->dev,
"Product ID error %x:%x\n", pid, ver);
return -ENODEV;
}
dev_info(&icd->dev,
- "ov772x Product ID %0x:%0x Manufacturer ID %x:%x\n",
+ "%s Product ID %0x:%0x Manufacturer ID %x:%x\n",
+ devname,
pid,
ver,
i2c_smbus_read_byte_data(priv->client, MIDH),
@@ -924,8 +961,10 @@ static int ov772x_probe(struct i2c_client *client,
ret = soc_camera_device_register(icd);
- if (ret)
+ if (ret) {
+ i2c_set_clientdata(client, NULL);
kfree(priv);
+ }
return ret;
}
@@ -935,13 +974,14 @@ static int ov772x_remove(struct i2c_client *client)
struct ov772x_priv *priv = i2c_get_clientdata(client);
soc_camera_device_unregister(&priv->icd);
+ i2c_set_clientdata(client, NULL);
kfree(priv);
return 0;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
static const struct i2c_device_id ov772x_id[] = {
- {"ov772x", 0},
+ { "ov772x", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, ov772x_id);
@@ -964,7 +1004,6 @@ static struct i2c_driver ov772x_i2c_driver = {
static int __init ov772x_module_init(void)
{
- printk(KERN_INFO "ov772x driver\n");
return i2c_add_driver(&ov772x_i2c_driver);
}
diff --git a/linux/drivers/media/video/pxa_camera.c b/linux/drivers/media/video/pxa_camera.c
index 210a99780..bb151032b 100644
--- a/linux/drivers/media/video/pxa_camera.c
+++ b/linux/drivers/media/video/pxa_camera.c
@@ -25,7 +25,6 @@
#include <linux/version.h>
#include <linux/device.h>
#include <linux/platform_device.h>
-#include <linux/mutex.h>
#include <linux/clk.h>
#include <media/v4l2-common.h>
@@ -47,6 +46,101 @@
#define PXA_CAM_VERSION_CODE KERNEL_VERSION(0, 0, 5)
#define PXA_CAM_DRV_NAME "pxa27x-camera"
+/* Camera Interface */
+#define CICR0 0x0000
+#define CICR1 0x0004
+#define CICR2 0x0008
+#define CICR3 0x000C
+#define CICR4 0x0010
+#define CISR 0x0014
+#define CIFR 0x0018
+#define CITOR 0x001C
+#define CIBR0 0x0028
+#define CIBR1 0x0030
+#define CIBR2 0x0038
+
+#define CICR0_DMAEN (1 << 31) /* DMA request enable */
+#define CICR0_PAR_EN (1 << 30) /* Parity enable */
+#define CICR0_SL_CAP_EN (1 << 29) /* Capture enable for slave mode */
+#define CICR0_ENB (1 << 28) /* Camera interface enable */
+#define CICR0_DIS (1 << 27) /* Camera interface disable */
+#define CICR0_SIM (0x7 << 24) /* Sensor interface mode mask */
+#define CICR0_TOM (1 << 9) /* Time-out mask */
+#define CICR0_RDAVM (1 << 8) /* Receive-data-available mask */
+#define CICR0_FEM (1 << 7) /* FIFO-empty mask */
+#define CICR0_EOLM (1 << 6) /* End-of-line mask */
+#define CICR0_PERRM (1 << 5) /* Parity-error mask */
+#define CICR0_QDM (1 << 4) /* Quick-disable mask */
+#define CICR0_CDM (1 << 3) /* Disable-done mask */
+#define CICR0_SOFM (1 << 2) /* Start-of-frame mask */
+#define CICR0_EOFM (1 << 1) /* End-of-frame mask */
+#define CICR0_FOM (1 << 0) /* FIFO-overrun mask */
+
+#define CICR1_TBIT (1 << 31) /* Transparency bit */
+#define CICR1_RGBT_CONV (0x3 << 29) /* RGBT conversion mask */
+#define CICR1_PPL (0x7ff << 15) /* Pixels per line mask */
+#define CICR1_RGB_CONV (0x7 << 12) /* RGB conversion mask */
+#define CICR1_RGB_F (1 << 11) /* RGB format */
+#define CICR1_YCBCR_F (1 << 10) /* YCbCr format */
+#define CICR1_RGB_BPP (0x7 << 7) /* RGB bis per pixel mask */
+#define CICR1_RAW_BPP (0x3 << 5) /* Raw bis per pixel mask */
+#define CICR1_COLOR_SP (0x3 << 3) /* Color space mask */
+#define CICR1_DW (0x7 << 0) /* Data width mask */
+
+#define CICR2_BLW (0xff << 24) /* Beginning-of-line pixel clock
+ wait count mask */
+#define CICR2_ELW (0xff << 16) /* End-of-line pixel clock
+ wait count mask */
+#define CICR2_HSW (0x3f << 10) /* Horizontal sync pulse width mask */
+#define CICR2_BFPW (0x3f << 3) /* Beginning-of-frame pixel clock
+ wait count mask */
+#define CICR2_FSW (0x7 << 0) /* Frame stabilization
+ wait count mask */
+
+#define CICR3_BFW (0xff << 24) /* Beginning-of-frame line clock
+ wait count mask */
+#define CICR3_EFW (0xff << 16) /* End-of-frame line clock
+ wait count mask */
+#define CICR3_VSW (0x3f << 10) /* Vertical sync pulse width mask */
+#define CICR3_BFPW (0x3f << 3) /* Beginning-of-frame pixel clock
+ wait count mask */
+#define CICR3_LPF (0x7ff << 0) /* Lines per frame mask */
+
+#define CICR4_MCLK_DLY (0x3 << 24) /* MCLK Data Capture Delay mask */
+#define CICR4_PCLK_EN (1 << 23) /* Pixel clock enable */
+#define CICR4_PCP (1 << 22) /* Pixel clock polarity */
+#define CICR4_HSP (1 << 21) /* Horizontal sync polarity */
+#define CICR4_VSP (1 << 20) /* Vertical sync polarity */
+#define CICR4_MCLK_EN (1 << 19) /* MCLK enable */
+#define CICR4_FR_RATE (0x7 << 8) /* Frame rate mask */
+#define CICR4_DIV (0xff << 0) /* Clock divisor mask */
+
+#define CISR_FTO (1 << 15) /* FIFO time-out */
+#define CISR_RDAV_2 (1 << 14) /* Channel 2 receive data available */
+#define CISR_RDAV_1 (1 << 13) /* Channel 1 receive data available */
+#define CISR_RDAV_0 (1 << 12) /* Channel 0 receive data available */
+#define CISR_FEMPTY_2 (1 << 11) /* Channel 2 FIFO empty */
+#define CISR_FEMPTY_1 (1 << 10) /* Channel 1 FIFO empty */
+#define CISR_FEMPTY_0 (1 << 9) /* Channel 0 FIFO empty */
+#define CISR_EOL (1 << 8) /* End of line */
+#define CISR_PAR_ERR (1 << 7) /* Parity error */
+#define CISR_CQD (1 << 6) /* Camera interface quick disable */
+#define CISR_CDD (1 << 5) /* Camera interface disable done */
+#define CISR_SOF (1 << 4) /* Start of frame */
+#define CISR_EOF (1 << 3) /* End of frame */
+#define CISR_IFO_2 (1 << 2) /* FIFO overrun for Channel 2 */
+#define CISR_IFO_1 (1 << 1) /* FIFO overrun for Channel 1 */
+#define CISR_IFO_0 (1 << 0) /* FIFO overrun for Channel 0 */
+
+#define CIFR_FLVL2 (0x7f << 23) /* FIFO 2 level mask */
+#define CIFR_FLVL1 (0x7f << 16) /* FIFO 1 level mask */
+#define CIFR_FLVL0 (0xff << 8) /* FIFO 0 level mask */
+#define CIFR_THL_0 (0x3 << 4) /* Threshold Level for Channel 0 FIFO */
+#define CIFR_RESET_F (1 << 3) /* Reset input FIFOs */
+#define CIFR_FEN2 (1 << 2) /* FIFO enable for channel 2 */
+#define CIFR_FEN1 (1 << 1) /* FIFO enable for channel 1 */
+#define CIFR_FEN0 (1 << 0) /* FIFO enable for channel 0 */
+
#define CICR0_SIM_MP (0 << 24)
#define CICR0_SIM_SP (1 << 24)
#define CICR0_SIM_MS (2 << 24)
@@ -74,8 +168,6 @@
CICR0_PERRM | CICR0_QDM | CICR0_CDM | CICR0_SOFM | \
CICR0_EOFM | CICR0_FOM)
-static DEFINE_MUTEX(camera_lock);
-
/*
* Structures
*/
@@ -125,7 +217,9 @@ struct pxa_camera_dev {
struct pxacamera_platform_data *pdata;
struct resource *res;
unsigned long platform_flags;
- unsigned long platform_mclk_10khz;
+ unsigned long ciclk;
+ unsigned long mclk;
+ u32 mclk_divisor;
struct list_head capture;
@@ -148,8 +242,7 @@ static int pxa_videobuf_setup(struct videobuf_queue *vq, unsigned int *count,
unsigned int *size)
{
struct soc_camera_device *icd = vq->priv_data;
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct pxa_camera_dev *pcdev = ici->priv;
dev_dbg(&icd->dev, "count=%d, size=%d\n", *count, *size);
@@ -175,8 +268,7 @@ static int pxa_videobuf_setup(struct videobuf_queue *vq, unsigned int *count,
static void free_buffer(struct videobuf_queue *vq, struct pxa_buffer *buf)
{
struct soc_camera_device *icd = vq->priv_data;
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct pxa_camera_dev *pcdev = ici->priv;
struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
int i;
@@ -252,8 +344,7 @@ static int pxa_videobuf_prepare(struct videobuf_queue *vq,
struct videobuf_buffer *vb, enum v4l2_field field)
{
struct soc_camera_device *icd = vq->priv_data;
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct pxa_camera_dev *pcdev = ici->priv;
struct pxa_buffer *buf = container_of(vb, struct pxa_buffer, vb);
int ret;
@@ -372,8 +463,7 @@ static void pxa_videobuf_queue(struct videobuf_queue *vq,
struct videobuf_buffer *vb)
{
struct soc_camera_device *icd = vq->priv_data;
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct pxa_camera_dev *pcdev = ici->priv;
struct pxa_buffer *buf = container_of(vb, struct pxa_buffer, vb);
struct pxa_buffer *active;
@@ -390,7 +480,10 @@ static void pxa_videobuf_queue(struct videobuf_queue *vq,
active = pcdev->active;
if (!active) {
- CIFR |= CIFR_RESET_F;
+ unsigned long cifr, cicr0;
+
+ cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F;
+ __raw_writel(cifr, pcdev->base + CIFR);
for (i = 0; i < pcdev->channels; i++) {
DDADR(pcdev->dma_chans[i]) = buf->dmas[i].sg_dma;
@@ -399,7 +492,9 @@ static void pxa_videobuf_queue(struct videobuf_queue *vq,
}
pcdev->active = buf;
- CICR0 |= CICR0_ENB;
+
+ cicr0 = __raw_readl(pcdev->base + CICR0) | CICR0_ENB;
+ __raw_writel(cicr0, pcdev->base + CICR0);
} else {
struct pxa_cam_dma *buf_dma;
struct pxa_cam_dma *act_dma;
@@ -483,6 +578,8 @@ static void pxa_camera_wakeup(struct pxa_camera_dev *pcdev,
struct videobuf_buffer *vb,
struct pxa_buffer *buf)
{
+ unsigned long cicr0;
+
/* _init is used to debug races, see comment in pxa_camera_reqbufs() */
list_del_init(&vb->queue);
vb->state = VIDEOBUF_DONE;
@@ -495,7 +592,9 @@ static void pxa_camera_wakeup(struct pxa_camera_dev *pcdev,
DCSR(pcdev->dma_chans[0]) = 0;
DCSR(pcdev->dma_chans[1]) = 0;
DCSR(pcdev->dma_chans[2]) = 0;
- CICR0 &= ~CICR0_ENB;
+
+ cicr0 = __raw_readl(pcdev->base + CICR0) & ~CICR0_ENB;
+ __raw_writel(cicr0, pcdev->base + CICR0);
return;
}
@@ -510,6 +609,7 @@ static void pxa_camera_dma_irq(int channel, struct pxa_camera_dev *pcdev,
unsigned long flags;
u32 status, camera_status, overrun;
struct videobuf_buffer *vb;
+ unsigned long cifr, cicr0;
spin_lock_irqsave(&pcdev->lock, flags);
@@ -532,22 +632,26 @@ static void pxa_camera_dma_irq(int channel, struct pxa_camera_dev *pcdev,
goto out;
}
- camera_status = CISR;
+ camera_status = __raw_readl(pcdev->base + CISR);
overrun = CISR_IFO_0;
if (pcdev->channels == 3)
overrun |= CISR_IFO_1 | CISR_IFO_2;
if (camera_status & overrun) {
dev_dbg(pcdev->dev, "FIFO overrun! CISR: %x\n", camera_status);
/* Stop the Capture Interface */
- CICR0 &= ~CICR0_ENB;
+ cicr0 = __raw_readl(pcdev->base + CICR0) & ~CICR0_ENB;
+ __raw_writel(cicr0, pcdev->base + CICR0);
+
/* Stop DMA */
DCSR(channel) = 0;
/* Reset the FIFOs */
- CIFR |= CIFR_RESET_F;
+ cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F;
+ __raw_writel(cifr, pcdev->base + CIFR);
/* Enable End-Of-Frame Interrupt */
- CICR0 &= ~CICR0_EOFM;
+ cicr0 &= ~CICR0_EOFM;
+ __raw_writel(cicr0, pcdev->base + CICR0);
/* Restart the Capture Interface */
- CICR0 |= CICR0_ENB;
+ __raw_writel(cicr0 | CICR0_ENB, pcdev->base + CICR0);
goto out;
}
@@ -603,24 +707,43 @@ static void pxa_camera_init_videobuf(struct videobuf_queue *q,
sizeof(struct pxa_buffer), icd);
}
-static int mclk_get_divisor(struct pxa_camera_dev *pcdev)
+static u32 mclk_get_divisor(struct pxa_camera_dev *pcdev)
{
- unsigned int mclk_10khz = pcdev->platform_mclk_10khz;
- unsigned long div;
+ unsigned long mclk = pcdev->mclk;
+ u32 div;
unsigned long lcdclk;
- lcdclk = clk_get_rate(pcdev->clk) / 10000;
+ lcdclk = clk_get_rate(pcdev->clk);
+ pcdev->ciclk = lcdclk;
+
+ /* mclk <= ciclk / 4 (27.4.2) */
+ if (mclk > lcdclk / 4) {
+ mclk = lcdclk / 4;
+ dev_warn(pcdev->dev, "Limiting master clock to %lu\n", mclk);
+ }
+
+ /* We verify mclk != 0, so if anyone breaks it, here comes their Oops */
+ div = (lcdclk + 2 * mclk - 1) / (2 * mclk) - 1;
- /* We verify platform_mclk_10khz != 0, so if anyone breaks it, here
- * they get a nice Oops */
- div = (lcdclk + 2 * mclk_10khz - 1) / (2 * mclk_10khz) - 1;
+ /* If we're not supplying MCLK, leave it at 0 */
+ if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN)
+ pcdev->mclk = lcdclk / (2 * (div + 1));
- dev_dbg(pcdev->dev, "LCD clock %lukHz, target freq %dkHz, "
- "divisor %lu\n", lcdclk * 10, mclk_10khz * 10, div);
+ dev_dbg(pcdev->dev, "LCD clock %luHz, target freq %luHz, "
+ "divisor %u\n", lcdclk, mclk, div);
return div;
}
+static void recalculate_fifo_timeout(struct pxa_camera_dev *pcdev,
+ unsigned long pclk)
+{
+ /* We want a timeout > 1 pixel time, not ">=" */
+ u32 ciclk_per_pixel = pcdev->ciclk / pclk + 1;
+
+ __raw_writel(ciclk_per_pixel, pcdev->base + CITOR);
+}
+
static void pxa_camera_activate(struct pxa_camera_dev *pcdev)
{
struct pxacamera_platform_data *pdata = pcdev->pdata;
@@ -634,7 +757,8 @@ static void pxa_camera_activate(struct pxa_camera_dev *pcdev)
pdata->init(pcdev->dev);
}
- CICR0 = 0x3FF; /* disable all interrupts */
+ /* disable all interrupts */
+ __raw_writel(0x3ff, pcdev->base + CICR0);
if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN)
cicr4 |= CICR4_PCLK_EN;
@@ -647,7 +771,14 @@ static void pxa_camera_activate(struct pxa_camera_dev *pcdev)
if (pcdev->platform_flags & PXA_CAMERA_VSP)
cicr4 |= CICR4_VSP;
- CICR4 = mclk_get_divisor(pcdev) | cicr4;
+ __raw_writel(pcdev->mclk_divisor | cicr4, pcdev->base + CICR4);
+
+ if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN)
+ /* Initialise the timeout under the assumption pclk = mclk */
+ recalculate_fifo_timeout(pcdev, pcdev->mclk);
+ else
+ /* "Safe default" - 13MHz */
+ recalculate_fifo_timeout(pcdev, 13000000);
clk_enable(pcdev->clk);
}
@@ -660,14 +791,15 @@ static void pxa_camera_deactivate(struct pxa_camera_dev *pcdev)
static irqreturn_t pxa_camera_irq(int irq, void *data)
{
struct pxa_camera_dev *pcdev = data;
- unsigned int status = CISR;
+ unsigned long status, cicr0;
- dev_dbg(pcdev->dev, "Camera interrupt status 0x%x\n", status);
+ status = __raw_readl(pcdev->base + CISR);
+ dev_dbg(pcdev->dev, "Camera interrupt status 0x%lx\n", status);
if (!status)
return IRQ_NONE;
- CISR = status;
+ __raw_writel(status, pcdev->base + CISR);
if (status & CISR_EOF) {
int i;
@@ -676,22 +808,24 @@ static irqreturn_t pxa_camera_irq(int irq, void *data)
pcdev->active->dmas[i].sg_dma;
DCSR(pcdev->dma_chans[i]) = DCSR_RUN;
}
- CICR0 |= CICR0_EOFM;
+ cicr0 = __raw_readl(pcdev->base + CICR0) | CICR0_EOFM;
+ __raw_writel(cicr0, pcdev->base + CICR0);
}
return IRQ_HANDLED;
}
-/* The following two functions absolutely depend on the fact, that
- * there can be only one camera on PXA quick capture interface */
+/*
+ * The following two functions absolutely depend on the fact, that
+ * there can be only one camera on PXA quick capture interface
+ * Called with .video_lock held
+ */
static int pxa_camera_add_device(struct soc_camera_device *icd)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct pxa_camera_dev *pcdev = ici->priv;
int ret;
- mutex_lock(&camera_lock);
-
if (pcdev->icd) {
ret = -EBUSY;
goto ebusy;
@@ -707,11 +841,10 @@ static int pxa_camera_add_device(struct soc_camera_device *icd)
pcdev->icd = icd;
ebusy:
- mutex_unlock(&camera_lock);
-
return ret;
}
+/* Called with .video_lock held */
static void pxa_camera_remove_device(struct soc_camera_device *icd)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
@@ -723,7 +856,7 @@ static void pxa_camera_remove_device(struct soc_camera_device *icd)
icd->devnum);
/* disable capture, disable interrupts */
- CICR0 = 0x3ff;
+ __raw_writel(0x3ff, pcdev->base + CICR0);
/* Stop DMA engine */
DCSR(pcdev->dma_chans[0]) = 0;
@@ -780,11 +913,10 @@ static int test_platform_param(struct pxa_camera_dev *pcdev,
static int pxa_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
{
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct pxa_camera_dev *pcdev = ici->priv;
unsigned long dw, bpp, bus_flags, camera_flags, common_flags;
- u32 cicr0, cicr1, cicr4 = 0;
+ u32 cicr0, cicr1, cicr2, cicr3, cicr4 = 0;
int ret = test_platform_param(pcdev, icd->buswidth, &bus_flags);
if (ret < 0)
@@ -857,9 +989,9 @@ static int pxa_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
if (common_flags & SOCAM_VSYNC_ACTIVE_LOW)
cicr4 |= CICR4_VSP;
- cicr0 = CICR0;
+ cicr0 = __raw_readl(pcdev->base + CICR0);
if (cicr0 & CICR0_ENB)
- CICR0 = cicr0 & ~CICR0_ENB;
+ __raw_writel(cicr0 & ~CICR0_ENB, pcdev->base + CICR0);
cicr1 = CICR1_PPL_VAL(icd->width - 1) | bpp | dw;
@@ -889,16 +1021,21 @@ static int pxa_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
break;
}
- CICR1 = cicr1;
- CICR2 = 0;
- CICR3 = CICR3_LPF_VAL(icd->height - 1) |
+ cicr2 = 0;
+ cicr3 = CICR3_LPF_VAL(icd->height - 1) |
CICR3_BFW_VAL(min((unsigned short)255, icd->y_skip_top));
- CICR4 = mclk_get_divisor(pcdev) | cicr4;
+ cicr4 |= pcdev->mclk_divisor;
+
+ __raw_writel(cicr1, pcdev->base + CICR1);
+ __raw_writel(cicr2, pcdev->base + CICR2);
+ __raw_writel(cicr3, pcdev->base + CICR3);
+ __raw_writel(cicr4, pcdev->base + CICR4);
/* CIF interrupts are not used, only DMA */
- CICR0 = (pcdev->platform_flags & PXA_CAMERA_MASTER ?
- CICR0_SIM_MP : (CICR0_SL_CAP_EN | CICR0_SIM_SP)) |
- CICR0_DMAEN | CICR0_IRQ_MASK | (cicr0 & CICR0_ENB);
+ cicr0 = (cicr0 & CICR0_ENB) | (pcdev->platform_flags & PXA_CAMERA_MASTER ?
+ CICR0_SIM_MP : (CICR0_SL_CAP_EN | CICR0_SIM_SP));
+ cicr0 |= CICR0_DMAEN | CICR0_IRQ_MASK;
+ __raw_writel(cicr0, pcdev->base + CICR0);
return 0;
}
@@ -906,8 +1043,7 @@ static int pxa_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
static int pxa_camera_try_bus_param(struct soc_camera_device *icd,
unsigned char buswidth)
{
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct pxa_camera_dev *pcdev = ici->priv;
unsigned long bus_flags, camera_flags;
int ret = test_platform_param(pcdev, buswidth, &bus_flags);
@@ -1023,8 +1159,13 @@ static int pxa_camera_set_fmt(struct soc_camera_device *icd,
__u32 pixfmt, struct v4l2_rect *rect)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct pxa_camera_dev *pcdev = ici->priv;
const struct soc_camera_data_format *host_fmt, *cam_fmt = NULL;
const struct soc_camera_format_xlate *xlate;
+ struct soc_camera_sense sense = {
+ .master_clock = pcdev->mclk,
+ .pixel_clock_max = pcdev->ciclk / 4,
+ };
int ret, buswidth;
xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
@@ -1037,6 +1178,10 @@ static int pxa_camera_set_fmt(struct soc_camera_device *icd,
host_fmt = xlate->host_fmt;
cam_fmt = xlate->cam_fmt;
+ /* If PCLK is used to latch data from the sensor, check sense */
+ if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN)
+ icd->sense = &sense;
+
switch (pixfmt) {
case 0: /* Only geometry change */
ret = icd->ops->set_fmt(icd, pixfmt, rect);
@@ -1045,9 +1190,20 @@ static int pxa_camera_set_fmt(struct soc_camera_device *icd,
ret = icd->ops->set_fmt(icd, cam_fmt->fourcc, rect);
}
- if (ret < 0)
+ icd->sense = NULL;
+
+ if (ret < 0) {
dev_warn(&ici->dev, "Failed to configure for format %x\n",
pixfmt);
+ } else if (sense.flags & SOCAM_SENSE_PCLK_CHANGED) {
+ if (sense.pixel_clock > sense.pixel_clock_max) {
+ dev_err(&ici->dev,
+ "pixel clock %lu set by the camera too high!",
+ sense.pixel_clock);
+ return -EIO;
+ }
+ recalculate_fifo_timeout(pcdev, sense.pixel_clock);
+ }
if (pixfmt && !ret) {
icd->buswidth = buswidth;
@@ -1064,6 +1220,8 @@ static int pxa_camera_try_fmt(struct soc_camera_device *icd,
const struct soc_camera_format_xlate *xlate;
struct v4l2_pix_format *pix = &f->fmt.pix;
__u32 pixfmt = pix->pixelformat;
+ enum v4l2_field field;
+ int ret;
xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
if (!xlate) {
@@ -1086,8 +1244,22 @@ static int pxa_camera_try_fmt(struct soc_camera_device *icd,
DIV_ROUND_UP(xlate->host_fmt->depth, 8);
pix->sizeimage = pix->height * pix->bytesperline;
+ /* camera has to see its format, but the user the original one */
+ pix->pixelformat = xlate->cam_fmt->fourcc;
/* limit to sensor capabilities */
- return icd->ops->try_fmt(icd, f);
+ ret = icd->ops->try_fmt(icd, f);
+ pix->pixelformat = xlate->host_fmt->fourcc;
+
+ field = pix->field;
+
+ if (field == V4L2_FIELD_ANY) {
+ pix->field = V4L2_FIELD_NONE;
+ } else if (field != V4L2_FIELD_NONE) {
+ dev_err(&icd->dev, "Field type %d unsupported.\n", field);
+ return -EINVAL;
+ }
+
+ return ret;
}
static int pxa_camera_reqbufs(struct soc_camera_file *icf,
@@ -1139,16 +1311,15 @@ static int pxa_camera_querycap(struct soc_camera_host *ici,
static int pxa_camera_suspend(struct soc_camera_device *icd, pm_message_t state)
{
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct pxa_camera_dev *pcdev = ici->priv;
int i = 0, ret = 0;
- pcdev->save_cicr[i++] = CICR0;
- pcdev->save_cicr[i++] = CICR1;
- pcdev->save_cicr[i++] = CICR2;
- pcdev->save_cicr[i++] = CICR3;
- pcdev->save_cicr[i++] = CICR4;
+ pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR0);
+ pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR1);
+ pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR2);
+ pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR3);
+ pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR4);
if ((pcdev->icd) && (pcdev->icd->ops->suspend))
ret = pcdev->icd->ops->suspend(pcdev->icd, state);
@@ -1158,8 +1329,7 @@ static int pxa_camera_suspend(struct soc_camera_device *icd, pm_message_t state)
static int pxa_camera_resume(struct soc_camera_device *icd)
{
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct pxa_camera_dev *pcdev = ici->priv;
int i = 0, ret = 0;
@@ -1167,23 +1337,27 @@ static int pxa_camera_resume(struct soc_camera_device *icd)
DRCMR(69) = pcdev->dma_chans[1] | DRCMR_MAPVLD;
DRCMR(70) = pcdev->dma_chans[2] | DRCMR_MAPVLD;
- CICR0 = pcdev->save_cicr[i++] & ~CICR0_ENB;
- CICR1 = pcdev->save_cicr[i++];
- CICR2 = pcdev->save_cicr[i++];
- CICR3 = pcdev->save_cicr[i++];
- CICR4 = pcdev->save_cicr[i++];
+ __raw_writel(pcdev->save_cicr[i++] & ~CICR0_ENB, pcdev->base + CICR0);
+ __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR1);
+ __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR2);
+ __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR3);
+ __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR4);
if ((pcdev->icd) && (pcdev->icd->ops->resume))
ret = pcdev->icd->ops->resume(pcdev->icd);
/* Restart frame capture if active buffer exists */
if (!ret && pcdev->active) {
+ unsigned long cifr, cicr0;
+
/* Reset the FIFOs */
- CIFR |= CIFR_RESET_F;
- /* Enable End-Of-Frame Interrupt */
- CICR0 &= ~CICR0_EOFM;
- /* Restart the Capture Interface */
- CICR0 |= CICR0_ENB;
+ cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F;
+ __raw_writel(cifr, pcdev->base + CIFR);
+
+ cicr0 = __raw_readl(pcdev->base + CICR0);
+ cicr0 &= ~CICR0_EOFM; /* Enable End-Of-Frame Interrupt */
+ cicr0 |= CICR0_ENB; /* Restart the Capture Interface */
+ __raw_writel(cicr0, pcdev->base + CICR0);
}
return ret;
@@ -1252,14 +1426,17 @@ static int pxa_camera_probe(struct platform_device *pdev)
"data widths, using default 10 bit\n");
pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_10;
}
- pcdev->platform_mclk_10khz = pcdev->pdata->mclk_10khz;
- if (!pcdev->platform_mclk_10khz) {
+ pcdev->mclk = pcdev->pdata->mclk_10khz * 10000;
+ if (!pcdev->mclk) {
dev_warn(&pdev->dev,
- "mclk_10khz == 0! Please, fix your platform data. "
+ "mclk == 0! Please, fix your platform data. "
"Using default 20MHz\n");
- pcdev->platform_mclk_10khz = 2000;
+ pcdev->mclk = 20000000;
}
+ pcdev->dev = &pdev->dev;
+ pcdev->mclk_divisor = mclk_get_divisor(pcdev);
+
INIT_LIST_HEAD(&pcdev->capture);
spin_lock_init(&pcdev->lock);
@@ -1279,7 +1456,6 @@ static int pxa_camera_probe(struct platform_device *pdev)
}
pcdev->irq = irq;
pcdev->base = base;
- pcdev->dev = &pdev->dev;
/* request dma */
err = pxa_request_dma("CI_Y", DMA_PRIO_HIGH,
diff --git a/linux/drivers/media/video/sh_mobile_ceu_camera.c b/linux/drivers/media/video/sh_mobile_ceu_camera.c
index bd2a1754b..ae98eaf5f 100644
--- a/linux/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/linux/drivers/media/video/sh_mobile_ceu_camera.c
@@ -29,8 +29,8 @@
#include <linux/version.h>
#include <linux/device.h>
#include <linux/platform_device.h>
-#include <linux/mutex.h>
#include <linux/videodev2.h>
+#include <linux/clk.h>
#include <media/v4l2-common.h>
#include <media/v4l2-dev.h>
@@ -75,8 +75,6 @@
#define CDBYR2 0x98 /* Capture data bottom-field address Y register 2 */
#define CDBCR2 0x9c /* Capture data bottom-field address C register 2 */
-static DEFINE_MUTEX(camera_lock);
-
/* per video frame buffer */
struct sh_mobile_ceu_buffer {
struct videobuf_buffer vb; /* v4l buffer must be first */
@@ -90,24 +88,27 @@ struct sh_mobile_ceu_dev {
unsigned int irq;
void __iomem *base;
+ struct clk *clk;
unsigned long video_limit;
/* lock used to protect videobuf */
spinlock_t lock;
struct list_head capture;
struct videobuf_buffer *active;
+ int is_interlace;
struct sh_mobile_ceu_info *pdata;
+
+ const struct soc_camera_data_format *camera_fmt;
};
static void ceu_write(struct sh_mobile_ceu_dev *priv,
- unsigned long reg_offs, unsigned long data)
+ unsigned long reg_offs, u32 data)
{
iowrite32(data, priv->base + reg_offs);
}
-static unsigned long ceu_read(struct sh_mobile_ceu_dev *priv,
- unsigned long reg_offs)
+static u32 ceu_read(struct sh_mobile_ceu_dev *priv, unsigned long reg_offs)
{
return ioread32(priv->base + reg_offs);
}
@@ -155,21 +156,52 @@ static void free_buffer(struct videobuf_queue *vq,
buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
+#define CEU_CETCR_MAGIC 0x0317f313 /* acknowledge magical interrupt sources */
+#define CEU_CETCR_IGRW (1 << 4) /* prohibited register access interrupt bit */
+#define CEU_CEIER_CPEIE (1 << 0) /* one-frame capture end interrupt */
+#define CEU_CAPCR_CTNCP (1 << 16) /* continuous capture mode (if set) */
+
+
static void sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev)
{
- ceu_write(pcdev, CEIER, ceu_read(pcdev, CEIER) & ~1);
- ceu_write(pcdev, CETCR, ~ceu_read(pcdev, CETCR) & 0x0317f313);
- ceu_write(pcdev, CEIER, ceu_read(pcdev, CEIER) | 1);
-
- ceu_write(pcdev, CAPCR, ceu_read(pcdev, CAPCR) & ~0x10000);
+ struct soc_camera_device *icd = pcdev->icd;
+ dma_addr_t phys_addr_top, phys_addr_bottom;
- ceu_write(pcdev, CETCR, 0x0317f313 ^ 0x10);
+ /* The hardware is _very_ picky about this sequence. Especially
+ * the CEU_CETCR_MAGIC value. It seems like we need to acknowledge
+ * several not-so-well documented interrupt sources in CETCR.
+ */
+ ceu_write(pcdev, CEIER, ceu_read(pcdev, CEIER) & ~CEU_CEIER_CPEIE);
+ ceu_write(pcdev, CETCR, ~ceu_read(pcdev, CETCR) & CEU_CETCR_MAGIC);
+ ceu_write(pcdev, CEIER, ceu_read(pcdev, CEIER) | CEU_CEIER_CPEIE);
+ ceu_write(pcdev, CAPCR, ceu_read(pcdev, CAPCR) & ~CEU_CAPCR_CTNCP);
+ ceu_write(pcdev, CETCR, CEU_CETCR_MAGIC ^ CEU_CETCR_IGRW);
+
+ if (!pcdev->active)
+ return;
+
+ phys_addr_top = videobuf_to_dma_contig(pcdev->active);
+ ceu_write(pcdev, CDAYR, phys_addr_top);
+ if (pcdev->is_interlace) {
+ phys_addr_bottom = phys_addr_top + icd->width;
+ ceu_write(pcdev, CDBYR, phys_addr_bottom);
+ }
- if (pcdev->active) {
- pcdev->active->state = VIDEOBUF_ACTIVE;
- ceu_write(pcdev, CDAYR, videobuf_to_dma_contig(pcdev->active));
- ceu_write(pcdev, CAPSR, 0x1); /* start capture */
+ switch (icd->current_fmt->fourcc) {
+ case V4L2_PIX_FMT_NV12:
+ case V4L2_PIX_FMT_NV21:
+ case V4L2_PIX_FMT_NV16:
+ case V4L2_PIX_FMT_NV61:
+ phys_addr_top += icd->width * icd->height;
+ ceu_write(pcdev, CDACR, phys_addr_top);
+ if (pcdev->is_interlace) {
+ phys_addr_bottom = phys_addr_top + icd->width;
+ ceu_write(pcdev, CDBCR, phys_addr_bottom);
+ }
}
+
+ pcdev->active->state = VIDEOBUF_ACTIVE;
+ ceu_write(pcdev, CAPSR, 0x1); /* start capture */
}
static int sh_mobile_ceu_videobuf_prepare(struct videobuf_queue *vq,
@@ -291,14 +323,13 @@ static irqreturn_t sh_mobile_ceu_irq(int irq, void *data)
return IRQ_HANDLED;
}
+/* Called with .video_lock held */
static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct sh_mobile_ceu_dev *pcdev = ici->priv;
int ret = -EBUSY;
- mutex_lock(&camera_lock);
-
if (pcdev->icd)
goto err;
@@ -310,17 +341,18 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
if (ret)
goto err;
+ clk_enable(pcdev->clk);
+
ceu_write(pcdev, CAPSR, 1 << 16); /* reset */
while (ceu_read(pcdev, CSTSR) & 1)
msleep(1);
pcdev->icd = icd;
err:
- mutex_unlock(&camera_lock);
-
return ret;
}
+/* Called with .video_lock held */
static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
@@ -343,6 +375,8 @@ static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd)
}
spin_unlock_irqrestore(&pcdev->lock, flags);
+ clk_disable(pcdev->clk);
+
icd->ops->release(icd);
dev_info(&icd->dev,
@@ -357,8 +391,9 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct sh_mobile_ceu_dev *pcdev = ici->priv;
- int ret, buswidth, width, cfszr_width, cdwdr_width;
+ int ret, buswidth, width, height, cfszr_width, cdwdr_width;
unsigned long camera_flags, common_flags, value;
+ int yuv_mode, yuv_lineskip;
camera_flags = icd->ops->query_bus_param(icd);
common_flags = soc_camera_bus_param_compatible(camera_flags,
@@ -384,27 +419,71 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
ceu_write(pcdev, CRCNTR, 0);
ceu_write(pcdev, CRCMPR, 0);
- value = 0x00000010;
- value |= (common_flags & SOCAM_VSYNC_ACTIVE_LOW) ? (1 << 1) : 0;
- value |= (common_flags & SOCAM_HSYNC_ACTIVE_LOW) ? (1 << 0) : 0;
- value |= (buswidth == 16) ? (1 << 12) : 0;
+ value = 0x00000010; /* data fetch by default */
+ yuv_mode = yuv_lineskip = 0;
+
+ switch (icd->current_fmt->fourcc) {
+ case V4L2_PIX_FMT_NV12:
+ case V4L2_PIX_FMT_NV21:
+ yuv_lineskip = 1; /* skip for NV12/21, no skip for NV16/61 */
+ /* fall-through */
+ case V4L2_PIX_FMT_NV16:
+ case V4L2_PIX_FMT_NV61:
+ yuv_mode = 1;
+ switch (pcdev->camera_fmt->fourcc) {
+ case V4L2_PIX_FMT_UYVY:
+ value = 0x00000000; /* Cb0, Y0, Cr0, Y1 */
+ break;
+ case V4L2_PIX_FMT_VYUY:
+ value = 0x00000100; /* Cr0, Y0, Cb0, Y1 */
+ break;
+ case V4L2_PIX_FMT_YUYV:
+ value = 0x00000200; /* Y0, Cb0, Y1, Cr0 */
+ break;
+ case V4L2_PIX_FMT_YVYU:
+ value = 0x00000300; /* Y0, Cr0, Y1, Cb0 */
+ break;
+ default:
+ BUG();
+ }
+ }
+
+ if (icd->current_fmt->fourcc == V4L2_PIX_FMT_NV21 ||
+ icd->current_fmt->fourcc == V4L2_PIX_FMT_NV61)
+ value ^= 0x00000100; /* swap U, V to change from NV1x->NVx1 */
+
+ value |= common_flags & SOCAM_VSYNC_ACTIVE_LOW ? 1 << 1 : 0;
+ value |= common_flags & SOCAM_HSYNC_ACTIVE_LOW ? 1 << 0 : 0;
+ value |= buswidth == 16 ? 1 << 12 : 0;
ceu_write(pcdev, CAMCR, value);
ceu_write(pcdev, CAPCR, 0x00300000);
- ceu_write(pcdev, CAIFR, 0);
+ ceu_write(pcdev, CAIFR, (pcdev->is_interlace) ? 0x101 : 0);
mdelay(1);
- width = icd->width * (icd->current_fmt->depth / 8);
- width = (buswidth == 16) ? width / 2 : width;
- cfszr_width = (buswidth == 8) ? width / 2 : width;
- cdwdr_width = (buswidth == 16) ? width * 2 : width;
+ if (yuv_mode) {
+ width = icd->width * 2;
+ width = buswidth == 16 ? width / 2 : width;
+ cfszr_width = cdwdr_width = icd->width;
+ } else {
+ width = icd->width * ((icd->current_fmt->depth + 7) >> 3);
+ width = buswidth == 16 ? width / 2 : width;
+ cfszr_width = buswidth == 8 ? width / 2 : width;
+ cdwdr_width = buswidth == 16 ? width * 2 : width;
+ }
+
+ height = icd->height;
+ if (pcdev->is_interlace) {
+ height /= 2;
+ cdwdr_width *= 2;
+ }
ceu_write(pcdev, CAMOR, 0);
- ceu_write(pcdev, CAPWR, (icd->height << 16) | width);
- ceu_write(pcdev, CFLCR, 0); /* data fetch mode - no scaling */
- ceu_write(pcdev, CFSZR, (icd->height << 16) | cfszr_width);
- ceu_write(pcdev, CLFCR, 0); /* data fetch mode - no lowpass filter */
+ ceu_write(pcdev, CAPWR, (height << 16) | width);
+ ceu_write(pcdev, CFLCR, 0); /* no scaling */
+ ceu_write(pcdev, CFSZR, (height << 16) | cfszr_width);
+ ceu_write(pcdev, CLFCR, 0); /* no lowpass filter */
/* A few words about byte order (observed in Big Endian mode)
*
@@ -418,19 +497,20 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
* using 7 we swap the data bytes to match the incoming order:
* D0, D1, D2, D3, D4, D5, D6, D7
*/
- ceu_write(pcdev, CDOCR, 0x00000017);
+ value = 0x00000017;
+ if (yuv_lineskip)
+ value &= ~0x00000010; /* convert 4:2:2 -> 4:2:0 */
+
+ ceu_write(pcdev, CDOCR, value);
ceu_write(pcdev, CDWDR, cdwdr_width);
ceu_write(pcdev, CFWCR, 0); /* keep "datafetch firewall" disabled */
/* not in bundle mode: skip CBDSR, CDAYR2, CDACR2, CDBYR2, CDBCR2 */
- /* in data fetch mode: no need for CDACR, CDBYR, CDBCR */
-
return 0;
}
-static int sh_mobile_ceu_try_bus_param(struct soc_camera_device *icd,
- __u32 pixfmt)
+static int sh_mobile_ceu_try_bus_param(struct soc_camera_device *icd)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct sh_mobile_ceu_dev *pcdev = ici->priv;
@@ -445,25 +525,104 @@ static int sh_mobile_ceu_try_bus_param(struct soc_camera_device *icd,
return 0;
}
+static const struct soc_camera_data_format sh_mobile_ceu_formats[] = {
+ {
+ .name = "NV12",
+ .depth = 12,
+ .fourcc = V4L2_PIX_FMT_NV12,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },
+ {
+ .name = "NV21",
+ .depth = 12,
+ .fourcc = V4L2_PIX_FMT_NV21,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },
+ {
+ .name = "NV16",
+ .depth = 16,
+ .fourcc = V4L2_PIX_FMT_NV16,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },
+ {
+ .name = "NV61",
+ .depth = 16,
+ .fourcc = V4L2_PIX_FMT_NV61,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },
+};
+
+static int sh_mobile_ceu_get_formats(struct soc_camera_device *icd, int idx,
+ struct soc_camera_format_xlate *xlate)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ int ret, k, n;
+ int formats = 0;
+
+ ret = sh_mobile_ceu_try_bus_param(icd);
+ if (ret < 0)
+ return 0;
+
+ switch (icd->formats[idx].fourcc) {
+ case V4L2_PIX_FMT_UYVY:
+ case V4L2_PIX_FMT_VYUY:
+ case V4L2_PIX_FMT_YUYV:
+ case V4L2_PIX_FMT_YVYU:
+ n = ARRAY_SIZE(sh_mobile_ceu_formats);
+ formats += n;
+ for (k = 0; xlate && k < n; k++) {
+ xlate->host_fmt = &sh_mobile_ceu_formats[k];
+ xlate->cam_fmt = icd->formats + idx;
+ xlate->buswidth = icd->formats[idx].depth;
+ xlate++;
+ dev_dbg(&ici->dev, "Providing format %s using %s\n",
+ sh_mobile_ceu_formats[k].name,
+ icd->formats[idx].name);
+ }
+ default:
+ /* Generic pass-through */
+ formats++;
+ if (xlate) {
+ xlate->host_fmt = icd->formats + idx;
+ xlate->cam_fmt = icd->formats + idx;
+ xlate->buswidth = icd->formats[idx].depth;
+ xlate++;
+ dev_dbg(&ici->dev,
+ "Providing format %s in pass-through mode\n",
+ icd->formats[idx].name);
+ }
+ }
+
+ return formats;
+}
+
static int sh_mobile_ceu_set_fmt(struct soc_camera_device *icd,
__u32 pixfmt, struct v4l2_rect *rect)
{
- const struct soc_camera_data_format *cam_fmt = NULL;
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct sh_mobile_ceu_dev *pcdev = ici->priv;
+ const struct soc_camera_format_xlate *xlate;
int ret;
- /*
- * TODO: find a suitable supported by the SoC output format, check
- * whether the sensor supports one of acceptable input formats.
- */
- if (pixfmt) {
- cam_fmt = soc_camera_format_by_fourcc(icd, pixfmt);
- if (!cam_fmt)
- return -EINVAL;
+ xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
+ if (!xlate) {
+ dev_warn(&ici->dev, "Format %x not found\n", pixfmt);
+ return -EINVAL;
+ }
+
+ switch (pixfmt) {
+ case 0: /* Only geometry change */
+ ret = icd->ops->set_fmt(icd, pixfmt, rect);
+ break;
+ default:
+ ret = icd->ops->set_fmt(icd, xlate->cam_fmt->fourcc, rect);
}
- ret = icd->ops->set_fmt(icd, pixfmt, rect);
- if (pixfmt && !ret)
- icd->current_fmt = cam_fmt;
+ if (pixfmt && !ret) {
+ icd->buswidth = xlate->buswidth;
+ icd->current_fmt = xlate->host_fmt;
+ pcdev->camera_fmt = xlate->cam_fmt;
+ }
return ret;
}
@@ -471,19 +630,17 @@ static int sh_mobile_ceu_set_fmt(struct soc_camera_device *icd,
static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
struct v4l2_format *f)
{
- const struct soc_camera_data_format *cam_fmt;
- int ret = sh_mobile_ceu_try_bus_param(icd, f->fmt.pix.pixelformat);
-
- if (ret < 0)
- return ret;
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct sh_mobile_ceu_dev *pcdev = ici->priv;
+ const struct soc_camera_format_xlate *xlate;
+ __u32 pixfmt = f->fmt.pix.pixelformat;
+ int ret;
- /*
- * TODO: find a suitable supported by the SoC output format, check
- * whether the sensor supports one of acceptable input formats.
- */
- cam_fmt = soc_camera_format_by_fourcc(icd, f->fmt.pix.pixelformat);
- if (!cam_fmt)
+ xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
+ if (!xlate) {
+ dev_warn(&ici->dev, "Format %x not found\n", pixfmt);
return -EINVAL;
+ }
/* FIXME: calculate using depth and bus width */
@@ -499,11 +656,30 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
f->fmt.pix.height &= ~0x03;
f->fmt.pix.bytesperline = f->fmt.pix.width *
- DIV_ROUND_UP(cam_fmt->depth, 8);
+ DIV_ROUND_UP(xlate->host_fmt->depth, 8);
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
/* limit to sensor capabilities */
- return icd->ops->try_fmt(icd, f);
+ ret = icd->ops->try_fmt(icd, f);
+ if (ret < 0)
+ return ret;
+
+ switch (f->fmt.pix.field) {
+ case V4L2_FIELD_INTERLACED:
+ pcdev->is_interlace = 1;
+ break;
+ case V4L2_FIELD_ANY:
+ f->fmt.pix.field = V4L2_FIELD_NONE;
+ /* fall-through */
+ case V4L2_FIELD_NONE:
+ pcdev->is_interlace = 0;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
}
static int sh_mobile_ceu_reqbufs(struct soc_camera_file *icf,
@@ -562,7 +738,7 @@ static void sh_mobile_ceu_init_videobuf(struct videobuf_queue *q,
&sh_mobile_ceu_videobuf_ops,
&ici->dev, &pcdev->lock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_NONE,
+ V4L2_FIELD_ANY,
sizeof(struct sh_mobile_ceu_buffer),
icd);
}
@@ -571,6 +747,7 @@ static struct soc_camera_host_ops sh_mobile_ceu_host_ops = {
.owner = THIS_MODULE,
.add = sh_mobile_ceu_add_device,
.remove = sh_mobile_ceu_remove_device,
+ .get_formats = sh_mobile_ceu_get_formats,
.set_fmt = sh_mobile_ceu_set_fmt,
.try_fmt = sh_mobile_ceu_try_fmt,
.reqbufs = sh_mobile_ceu_reqbufs,
@@ -585,6 +762,7 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
struct sh_mobile_ceu_dev *pcdev;
struct resource *res;
void __iomem *base;
+ char clk_name[8];
unsigned int irq;
int err = 0;
@@ -650,6 +828,14 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
goto exit_release_mem;
}
+ snprintf(clk_name, sizeof(clk_name), "ceu%d", pdev->id);
+ pcdev->clk = clk_get(&pdev->dev, clk_name);
+ if (IS_ERR(pcdev->clk)) {
+ dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
+ err = PTR_ERR(pcdev->clk);
+ goto exit_free_irq;
+ }
+
pcdev->ici.priv = pcdev;
pcdev->ici.dev.parent = &pdev->dev;
pcdev->ici.nr = pdev->id;
@@ -658,10 +844,12 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
err = soc_camera_host_register(&pcdev->ici);
if (err)
- goto exit_free_irq;
+ goto exit_free_clk;
return 0;
+exit_free_clk:
+ clk_put(pcdev->clk);
exit_free_irq:
free_irq(pcdev->irq, pcdev);
exit_release_mem:
@@ -680,6 +868,7 @@ static int sh_mobile_ceu_remove(struct platform_device *pdev)
struct sh_mobile_ceu_dev *pcdev = platform_get_drvdata(pdev);
soc_camera_host_unregister(&pcdev->ici);
+ clk_put(pcdev->clk);
free_irq(pcdev->irq, pcdev);
if (platform_get_resource(pdev, IORESOURCE_MEM, 1))
dma_release_declared_memory(&pdev->dev);
diff --git a/linux/drivers/media/video/soc_camera.c b/linux/drivers/media/video/soc_camera.c
index 4a9c52c37..ba28c844f 100644
--- a/linux/drivers/media/video/soc_camera.c
+++ b/linux/drivers/media/video/soc_camera.c
@@ -34,7 +34,6 @@
static LIST_HEAD(hosts);
static LIST_HEAD(devices);
static DEFINE_MUTEX(list_lock);
-static DEFINE_MUTEX(video_lock);
const struct soc_camera_data_format *soc_camera_format_by_fourcc(
struct soc_camera_device *icd, unsigned int fourcc)
@@ -60,48 +59,73 @@ const struct soc_camera_format_xlate *soc_camera_xlate_by_fourcc(
}
EXPORT_SYMBOL(soc_camera_xlate_by_fourcc);
+/**
+ * soc_camera_apply_sensor_flags() - apply platform SOCAM_SENSOR_INVERT_* flags
+ * @icl: camera platform parameters
+ * @flags: flags to be inverted according to platform configuration
+ * @return: resulting flags
+ */
+unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl,
+ unsigned long flags)
+{
+ unsigned long f;
+
+ /* If only one of the two polarities is supported, switch to the opposite */
+ if (icl->flags & SOCAM_SENSOR_INVERT_HSYNC) {
+ f = flags & (SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_LOW);
+ if (f == SOCAM_HSYNC_ACTIVE_HIGH || f == SOCAM_HSYNC_ACTIVE_LOW)
+ flags ^= SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_LOW;
+ }
+
+ if (icl->flags & SOCAM_SENSOR_INVERT_VSYNC) {
+ f = flags & (SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_LOW);
+ if (f == SOCAM_VSYNC_ACTIVE_HIGH || f == SOCAM_VSYNC_ACTIVE_LOW)
+ flags ^= SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_LOW;
+ }
+
+ if (icl->flags & SOCAM_SENSOR_INVERT_PCLK) {
+ f = flags & (SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING);
+ if (f == SOCAM_PCLK_SAMPLE_RISING || f == SOCAM_PCLK_SAMPLE_FALLING)
+ flags ^= SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING;
+ }
+
+ return flags;
+}
+EXPORT_SYMBOL(soc_camera_apply_sensor_flags);
+
static int soc_camera_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct soc_camera_file *icf = file->private_data;
struct soc_camera_device *icd = icf->icd;
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
- enum v4l2_field field;
- int ret;
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
WARN_ON(priv != file->private_data);
- /*
- * TODO: this might also have to migrate to host-drivers, if anyone
- * wishes to support other fields
- */
- field = f->fmt.pix.field;
-
- if (field == V4L2_FIELD_ANY) {
- f->fmt.pix.field = V4L2_FIELD_NONE;
- } else if (field != V4L2_FIELD_NONE) {
- dev_err(&icd->dev, "Field type invalid.\n");
- return -EINVAL;
- }
-
/* limit format to hardware capabilities */
- ret = ici->ops->try_fmt(icd, f);
-
- return ret;
+ return ici->ops->try_fmt(icd, f);
}
static int soc_camera_enum_input(struct file *file, void *priv,
struct v4l2_input *inp)
{
+ struct soc_camera_file *icf = file->private_data;
+ struct soc_camera_device *icd = icf->icd;
+ int ret = 0;
+
if (inp->index != 0)
return -EINVAL;
- inp->type = V4L2_INPUT_TYPE_CAMERA;
- inp->std = V4L2_STD_UNKNOWN;
- strcpy(inp->name, "Camera");
+ if (icd->ops->enum_input)
+ ret = icd->ops->enum_input(icd, inp);
+ else {
+ /* default is camera */
+ inp->type = V4L2_INPUT_TYPE_CAMERA;
+ inp->std = V4L2_STD_UNKNOWN;
+ strcpy(inp->name, "Camera");
+ }
- return 0;
+ return ret;
}
static int soc_camera_g_input(struct file *file, void *priv, unsigned int *i)
@@ -121,7 +145,14 @@ static int soc_camera_s_input(struct file *file, void *priv, unsigned int i)
static int soc_camera_s_std(struct file *file, void *priv, v4l2_std_id *a)
{
- return 0;
+ struct soc_camera_file *icf = file->private_data;
+ struct soc_camera_device *icd = icf->icd;
+ int ret = 0;
+
+ if (icd->ops->set_std)
+ ret = icd->ops->set_std(icd, a);
+
+ return ret;
}
static int soc_camera_reqbufs(struct file *file, void *priv,
@@ -130,8 +161,7 @@ static int soc_camera_reqbufs(struct file *file, void *priv,
int ret;
struct soc_camera_file *icf = file->private_data;
struct soc_camera_device *icd = icf->icd;
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
WARN_ON(priv != file->private_data);
@@ -239,8 +269,10 @@ static int soc_camera_open(struct inode *inode, struct file *file)
if (!icf)
return -ENOMEM;
- /* Protect against icd->remove() until we module_get() both drivers. */
- mutex_lock(&video_lock);
+ /*
+ * It is safe to dereference these pointers now as long as a user has
+ * the video device open - we are protected by the held cdev reference.
+ */
vdev = video_devdata(file);
icd = container_of(vdev->parent, struct soc_camera_device, dev);
@@ -258,6 +290,9 @@ static int soc_camera_open(struct inode *inode, struct file *file)
goto emgi;
}
+ /* Protect against icd->remove() until we module_get() both drivers. */
+ mutex_lock(&icd->video_lock);
+
icf->icd = icd;
icd->use_count++;
@@ -273,7 +308,7 @@ static int soc_camera_open(struct inode *inode, struct file *file)
}
}
- mutex_unlock(&video_lock);
+ mutex_unlock(&icd->video_lock);
file->private_data = icf;
dev_dbg(&icd->dev, "camera device open\n");
@@ -282,16 +317,16 @@ static int soc_camera_open(struct inode *inode, struct file *file)
return 0;
- /* All errors are entered with the video_lock held */
+ /* First two errors are entered with the .video_lock held */
eiciadd:
soc_camera_free_user_formats(icd);
eiufmt:
icd->use_count--;
+ mutex_unlock(&icd->video_lock);
module_put(ici->ops->owner);
emgi:
module_put(icd->ops->owner);
emgd:
- mutex_unlock(&video_lock);
vfree(icf);
return ret;
}
@@ -303,15 +338,16 @@ static int soc_camera_close(struct inode *inode, struct file *file)
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct video_device *vdev = icd->vdev;
- mutex_lock(&video_lock);
+ mutex_lock(&icd->video_lock);
icd->use_count--;
if (!icd->use_count) {
ici->ops->remove(icd);
soc_camera_free_user_formats(icd);
}
+ mutex_unlock(&icd->video_lock);
+
module_put(icd->ops->owner);
module_put(ici->ops->owner);
- mutex_unlock(&video_lock);
vfree(icf);
@@ -355,8 +391,7 @@ static unsigned int soc_camera_poll(struct file *file, poll_table *pt)
{
struct soc_camera_file *icf = file->private_data;
struct soc_camera_device *icd = icf->icd;
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
if (list_empty(&icf->vb_vidq.stream)) {
dev_err(&icd->dev, "Trying to poll with no queued buffers!\n");
@@ -382,9 +417,9 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv,
{
struct soc_camera_file *icf = file->private_data;
struct soc_camera_device *icd = icf->icd;
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
- __u32 pixfmt = f->fmt.pix.pixelformat;
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ __u32 pixfmt = pix->pixelformat;
int ret;
struct v4l2_rect rect;
@@ -394,23 +429,32 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv,
if (ret < 0)
return ret;
+ mutex_lock(&icf->vb_vidq.vb_lock);
+
+ if (videobuf_queue_is_busy(&icf->vb_vidq)) {
+ dev_err(&icd->dev, "S_FMT denied: queue busy\n");
+ ret = -EBUSY;
+ goto unlock;
+ }
+
rect.left = icd->x_current;
rect.top = icd->y_current;
- rect.width = f->fmt.pix.width;
- rect.height = f->fmt.pix.height;
- ret = ici->ops->set_fmt(icd, f->fmt.pix.pixelformat, &rect);
+ rect.width = pix->width;
+ rect.height = pix->height;
+ ret = ici->ops->set_fmt(icd, pix->pixelformat, &rect);
if (ret < 0) {
- return ret;
+ goto unlock;
} else if (!icd->current_fmt ||
icd->current_fmt->fourcc != pixfmt) {
dev_err(&ici->dev,
"Host driver hasn't set up current format correctly!\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto unlock;
}
icd->width = rect.width;
icd->height = rect.height;
- icf->vb_vidq.field = f->fmt.pix.field;
+ icf->vb_vidq.field = pix->field;
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
dev_warn(&icd->dev, "Attention! Wrong buf-type %d\n",
f->type);
@@ -419,7 +463,12 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv,
icd->width, icd->height);
/* set physical bus parameters */
- return ici->ops->set_bus_param(icd, pixfmt);
+ ret = ici->ops->set_bus_param(icd, pixfmt);
+
+unlock:
+ mutex_unlock(&icf->vb_vidq.vb_lock);
+
+ return ret;
}
static int soc_camera_enum_fmt_vid_cap(struct file *file, void *priv,
@@ -446,16 +495,17 @@ static int soc_camera_g_fmt_vid_cap(struct file *file, void *priv,
{
struct soc_camera_file *icf = file->private_data;
struct soc_camera_device *icd = icf->icd;
+ struct v4l2_pix_format *pix = &f->fmt.pix;
WARN_ON(priv != file->private_data);
- f->fmt.pix.width = icd->width;
- f->fmt.pix.height = icd->height;
- f->fmt.pix.field = icf->vb_vidq.field;
- f->fmt.pix.pixelformat = icd->current_fmt->fourcc;
- f->fmt.pix.bytesperline = f->fmt.pix.width *
+ pix->width = icd->width;
+ pix->height = icd->height;
+ pix->field = icf->vb_vidq.field;
+ pix->pixelformat = icd->current_fmt->fourcc;
+ pix->bytesperline = pix->width *
DIV_ROUND_UP(icd->current_fmt->depth, 8);
- f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
+ pix->sizeimage = pix->height * pix->bytesperline;
dev_dbg(&icd->dev, "current_fmt->fourcc: 0x%08x\n",
icd->current_fmt->fourcc);
return 0;
@@ -466,8 +516,7 @@ static int soc_camera_querycap(struct file *file, void *priv,
{
struct soc_camera_file *icf = file->private_data;
struct soc_camera_device *icd = icf->icd;
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
WARN_ON(priv != file->private_data);
@@ -480,6 +529,7 @@ static int soc_camera_streamon(struct file *file, void *priv,
{
struct soc_camera_file *icf = file->private_data;
struct soc_camera_device *icd = icf->icd;
+ int ret;
WARN_ON(priv != file->private_data);
@@ -488,10 +538,16 @@ static int soc_camera_streamon(struct file *file, void *priv,
if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
+ mutex_lock(&icd->video_lock);
+
icd->ops->start_capture(icd);
/* This calls buf_queue from host driver's videobuf_queue_ops */
- return videobuf_streamon(&icf->vb_vidq);
+ ret = videobuf_streamon(&icf->vb_vidq);
+
+ mutex_unlock(&icd->video_lock);
+
+ return ret;
}
static int soc_camera_streamoff(struct file *file, void *priv,
@@ -507,12 +563,16 @@ static int soc_camera_streamoff(struct file *file, void *priv,
if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
+ mutex_lock(&icd->video_lock);
+
/* This calls buf_release from host driver's videobuf_queue_ops for all
* remaining buffers. When the last buffer is freed, stop capture */
videobuf_streamoff(&icf->vb_vidq);
icd->ops->stop_capture(icd);
+ mutex_unlock(&icd->video_lock);
+
return 0;
}
@@ -618,13 +678,15 @@ static int soc_camera_s_crop(struct file *file, void *fh,
{
struct soc_camera_file *icf = file->private_data;
struct soc_camera_device *icd = icf->icd;
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
int ret;
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
+ /* Cropping is allowed during a running capture, guard consistency */
+ mutex_lock(&icf->vb_vidq.vb_lock);
+
ret = ici->ops->set_fmt(icd, 0, &a->c);
if (!ret) {
icd->width = a->c.width;
@@ -633,6 +695,8 @@ static int soc_camera_s_crop(struct file *file, void *fh,
icd->y_current = a->c.top;
}
+ mutex_unlock(&icf->vb_vidq.vb_lock);
+
return ret;
}
@@ -743,18 +807,35 @@ static int scan_add_device(struct soc_camera_device *icd)
static int soc_camera_probe(struct device *dev)
{
struct soc_camera_device *icd = to_soc_camera_dev(dev);
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
int ret;
- if (!icd->ops->probe)
- return -ENODEV;
+ /*
+ * Possible race scenario:
+ * modprobe <camera-host-driver> triggers __func__
+ * at this moment respective <camera-sensor-driver> gets rmmod'ed
+ * to protect take module references.
+ */
+
+ if (!try_module_get(icd->ops->owner)) {
+ dev_err(&icd->dev, "Couldn't lock sensor driver.\n");
+ ret = -EINVAL;
+ goto emgd;
+ }
+
+ if (!try_module_get(ici->ops->owner)) {
+ dev_err(&icd->dev, "Couldn't lock capture bus driver.\n");
+ ret = -EINVAL;
+ goto emgi;
+ }
+
+ mutex_lock(&icd->video_lock);
/* We only call ->add() here to activate and probe the camera.
* We shall ->remove() and deactivate it immediately afterwards. */
ret = ici->ops->add(icd);
if (ret < 0)
- return ret;
+ goto eiadd;
ret = icd->ops->probe(icd);
if (ret >= 0) {
@@ -768,6 +849,12 @@ static int soc_camera_probe(struct device *dev)
}
ici->ops->remove(icd);
+eiadd:
+ mutex_unlock(&icd->video_lock);
+ module_put(ici->ops->owner);
+emgi:
+ module_put(icd->ops->owner);
+emgd:
return ret;
}
@@ -830,7 +917,16 @@ int soc_camera_host_register(struct soc_camera_host *ici)
int ret;
struct soc_camera_host *ix;
- if (!ici->ops->init_videobuf || !ici->ops->add || !ici->ops->remove)
+ if (!ici || !ici->ops ||
+ !ici->ops->try_fmt ||
+ !ici->ops->set_fmt ||
+ !ici->ops->set_bus_param ||
+ !ici->ops->querycap ||
+ !ici->ops->init_videobuf ||
+ !ici->ops->reqbufs ||
+ !ici->ops->add ||
+ !ici->ops->remove ||
+ !ici->ops->poll)
return -EINVAL;
/* Number might be equal to the platform device ID */
@@ -898,7 +994,16 @@ int soc_camera_device_register(struct soc_camera_device *icd)
struct soc_camera_device *ix;
int num = -1, i;
- if (!icd)
+ if (!icd || !icd->ops ||
+ !icd->ops->probe ||
+ !icd->ops->init ||
+ !icd->ops->release ||
+ !icd->ops->start_capture ||
+ !icd->ops->stop_capture ||
+ !icd->ops->set_fmt ||
+ !icd->ops->try_fmt ||
+ !icd->ops->query_bus_param ||
+ !icd->ops->set_bus_param)
return -EINVAL;
for (i = 0; i < 256 && num < 0; i++) {
@@ -920,7 +1025,10 @@ int soc_camera_device_register(struct soc_camera_device *icd)
icd->dev.bus = &soc_camera_bus_type;
dev_set_name(&icd->dev, "%u-%u", icd->iface, icd->devnum);
- icd->dev.release = dummy_release;
+ icd->dev.release = dummy_release;
+ icd->use_count = 0;
+ icd->host_priv = NULL;
+ mutex_init(&icd->video_lock);
return scan_add_device(icd);
}
@@ -967,6 +1075,10 @@ static const struct v4l2_ioctl_ops soc_camera_ioctl_ops = {
#endif
};
+/*
+ * Usually called from the struct soc_camera_ops .probe() method, i.e., from
+ * soc_camera_probe() above with .video_lock held
+ */
int soc_camera_video_start(struct soc_camera_device *icd)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
@@ -982,7 +1094,7 @@ int soc_camera_video_start(struct soc_camera_device *icd)
dev_dbg(&ici->dev, "Allocated video_device %p\n", vdev);
strlcpy(vdev->name, ici->drv_name, sizeof(vdev->name));
- /* Maybe better &ici->dev */
+
vdev->parent = &icd->dev;
vdev->current_norm = V4L2_STD_UNKNOWN;
vdev->fops = &soc_camera_fops;
@@ -1016,10 +1128,10 @@ void soc_camera_video_stop(struct soc_camera_device *icd)
if (!icd->dev.parent || !vdev)
return;
- mutex_lock(&video_lock);
+ mutex_lock(&icd->video_lock);
video_unregister_device(vdev);
icd->vdev = NULL;
- mutex_unlock(&video_lock);
+ mutex_unlock(&icd->video_lock);
}
EXPORT_SYMBOL(soc_camera_video_stop);
diff --git a/linux/drivers/media/video/soc_camera_platform.c b/linux/drivers/media/video/soc_camera_platform.c
index c23871e4c..013ab06e3 100644
--- a/linux/drivers/media/video/soc_camera_platform.c
+++ b/linux/drivers/media/video/soc_camera_platform.c
@@ -89,9 +89,10 @@ static int soc_camera_platform_try_fmt(struct soc_camera_device *icd,
struct v4l2_format *f)
{
struct soc_camera_platform_info *p = soc_camera_platform_get_info(icd);
+ struct v4l2_pix_format *pix = &f->fmt.pix;
- f->fmt.pix.width = p->format.width;
- f->fmt.pix.height = p->format.height;
+ pix->width = p->format.width;
+ pix->height = p->format.height;
return 0;
}
diff --git a/linux/drivers/media/video/tw9910.c b/linux/drivers/media/video/tw9910.c
new file mode 100644
index 000000000..d5cdc4be1
--- /dev/null
+++ b/linux/drivers/media/video/tw9910.c
@@ -0,0 +1,951 @@
+/*
+ * tw9910 Video Driver
+ *
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * Based on ov772x driver,
+ *
+ * Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ * Copyright 2006-7 Jonathan Corbet <corbet@lwn.net>
+ * Copyright (C) 2008 Magnus Damm
+ * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-common.h>
+#include <media/soc_camera.h>
+#include <media/tw9910.h>
+
+#define GET_ID(val) ((val & 0xF8) >> 3)
+#define GET_ReV(val) (val & 0x07)
+
+/*
+ * register offset
+ */
+#define ID 0x00 /* Product ID Code Register */
+#define STATUS1 0x01 /* Chip Status Register I */
+#define INFORM 0x02 /* Input Format */
+#define OPFORM 0x03 /* Output Format Control Register */
+#define DLYCTR 0x04 /* Hysteresis and HSYNC Delay Control */
+#define OUTCTR1 0x05 /* Output Control I */
+#define ACNTL1 0x06 /* Analog Control Register 1 */
+#define CROP_HI 0x07 /* Cropping Register, High */
+#define VDELAY_LO 0x08 /* Vertical Delay Register, Low */
+#define VACTIVE_LO 0x09 /* Vertical Active Register, Low */
+#define HDELAY_LO 0x0A /* Horizontal Delay Register, Low */
+#define HACTIVE_LO 0x0B /* Horizontal Active Register, Low */
+#define CNTRL1 0x0C /* Control Register I */
+#define VSCALE_LO 0x0D /* Vertical Scaling Register, Low */
+#define SCALE_HI 0x0E /* Scaling Register, High */
+#define HSCALE_LO 0x0F /* Horizontal Scaling Register, Low */
+#define BRIGHT 0x10 /* BRIGHTNESS Control Register */
+#define CONTRAST 0x11 /* CONTRAST Control Register */
+#define SHARPNESS 0x12 /* SHARPNESS Control Register I */
+#define SAT_U 0x13 /* Chroma (U) Gain Register */
+#define SAT_V 0x14 /* Chroma (V) Gain Register */
+#define HUE 0x15 /* Hue Control Register */
+#define CORING1 0x17
+#define CORING2 0x18 /* Coring and IF compensation */
+#define VBICNTL 0x19 /* VBI Control Register */
+#define ACNTL2 0x1A /* Analog Control 2 */
+#define OUTCTR2 0x1B /* Output Control 2 */
+#define SDT 0x1C /* Standard Selection */
+#define SDTR 0x1D /* Standard Recognition */
+#define TEST 0x1F /* Test Control Register */
+#define CLMPG 0x20 /* Clamping Gain */
+#define IAGC 0x21 /* Individual AGC Gain */
+#define AGCGAIN 0x22 /* AGC Gain */
+#define PEAKWT 0x23 /* White Peak Threshold */
+#define CLMPL 0x24 /* Clamp level */
+#define SYNCT 0x25 /* Sync Amplitude */
+#define MISSCNT 0x26 /* Sync Miss Count Register */
+#define PCLAMP 0x27 /* Clamp Position Register */
+#define VCNTL1 0x28 /* Vertical Control I */
+#define VCNTL2 0x29 /* Vertical Control II */
+#define CKILL 0x2A /* Color Killer Level Control */
+#define COMB 0x2B /* Comb Filter Control */
+#define LDLY 0x2C /* Luma Delay and H Filter Control */
+#define MISC1 0x2D /* Miscellaneous Control I */
+#define LOOP 0x2E /* LOOP Control Register */
+#define MISC2 0x2F /* Miscellaneous Control II */
+#define MVSN 0x30 /* Macrovision Detection */
+#define STATUS2 0x31 /* Chip STATUS II */
+#define HFREF 0x32 /* H monitor */
+#define CLMD 0x33 /* CLAMP MODE */
+#define IDCNTL 0x34 /* ID Detection Control */
+#define CLCNTL1 0x35 /* Clamp Control I */
+#define ANAPLLCTL 0x4C
+#define VBIMIN 0x4D
+#define HSLOWCTL 0x4E
+#define WSS3 0x4F
+#define FILLDATA 0x50
+#define SDID 0x51
+#define DID 0x52
+#define WSS1 0x53
+#define WSS2 0x54
+#define VVBI 0x55
+#define LCTL6 0x56
+#define LCTL7 0x57
+#define LCTL8 0x58
+#define LCTL9 0x59
+#define LCTL10 0x5A
+#define LCTL11 0x5B
+#define LCTL12 0x5C
+#define LCTL13 0x5D
+#define LCTL14 0x5E
+#define LCTL15 0x5F
+#define LCTL16 0x60
+#define LCTL17 0x61
+#define LCTL18 0x62
+#define LCTL19 0x63
+#define LCTL20 0x64
+#define LCTL21 0x65
+#define LCTL22 0x66
+#define LCTL23 0x67
+#define LCTL24 0x68
+#define LCTL25 0x69
+#define LCTL26 0x6A
+#define HSGEGIN 0x6B
+#define HSEND 0x6C
+#define OVSDLY 0x6D
+#define OVSEND 0x6E
+#define VBIDELAY 0x6F
+
+/*
+ * register detail
+ */
+
+/* INFORM */
+#define FC27_ON 0x40 /* 1 : Input crystal clock frequency is 27MHz */
+#define FC27_FF 0x00 /* 0 : Square pixel mode. */
+ /* Must use 24.54MHz for 60Hz field rate */
+ /* source or 29.5MHz for 50Hz field rate */
+#define IFSEL_S 0x10 /* 01 : S-video decoding */
+#define IFSEL_C 0x00 /* 00 : Composite video decoding */
+ /* Y input video selection */
+#define YSEL_M0 0x00 /* 00 : Mux0 selected */
+#define YSEL_M1 0x04 /* 01 : Mux1 selected */
+#define YSEL_M2 0x08 /* 10 : Mux2 selected */
+#define YSEL_M3 0x10 /* 11 : Mux3 selected */
+
+/* OPFORM */
+#define MODE 0x80 /* 0 : CCIR601 compatible YCrCb 4:2:2 format */
+ /* 1 : ITU-R-656 compatible data sequence format */
+#define LEN 0x40 /* 0 : 8-bit YCrCb 4:2:2 output format */
+ /* 1 : 16-bit YCrCb 4:2:2 output format.*/
+#define LLCMODE 0x20 /* 1 : LLC output mode. */
+ /* 0 : free-run output mode */
+#define AINC 0x10 /* Serial interface auto-indexing control */
+ /* 0 : auto-increment */
+ /* 1 : non-auto */
+#define VSCTL 0x08 /* 1 : Vertical out ctrl by DVALID */
+ /* 0 : Vertical out ctrl by HACTIVE and DVALID */
+#define OEN 0x04 /* Output Enable together with TRI_SEL. */
+
+/* OUTCTR1 */
+#define VSP_LO 0x00 /* 0 : VS pin output polarity is active low */
+#define VSP_HI 0x80 /* 1 : VS pin output polarity is active high. */
+ /* VS pin output control */
+#define VSSL_VSYNC 0x00 /* 0 : VSYNC */
+#define VSSL_VACT 0x10 /* 1 : VACT */
+#define VSSL_FIELD 0x20 /* 2 : FIELD */
+#define VSSL_VVALID 0x30 /* 3 : VVALID */
+#define VSSL_ZERO 0x70 /* 7 : 0 */
+#define HSP_LOW 0x00 /* 0 : HS pin output polarity is active low */
+#define HSP_HI 0x08 /* 1 : HS pin output polarity is active high.*/
+ /* HS pin output control */
+#define HSSL_HACT 0x00 /* 0 : HACT */
+#define HSSL_HSYNC 0x01 /* 1 : HSYNC */
+#define HSSL_DVALID 0x02 /* 2 : DVALID */
+#define HSSL_HLOCK 0x03 /* 3 : HLOCK */
+#define HSSL_ASYNCW 0x04 /* 4 : ASYNCW */
+#define HSSL_ZERO 0x07 /* 7 : 0 */
+
+/* ACNTL1 */
+#define SRESET 0x80 /* resets the device to its default state
+ * but all register content remain unchanged.
+ * This bit is self-resetting.
+ */
+
+/* VBICNTL */
+/* RTSEL : control the real time signal
+* output from the MPOUT pin
+*/
+#define RTSEL_MASK 0x07
+#define RTSEL_VLOSS 0x00 /* 0000 = Video loss */
+#define RTSEL_HLOCK 0x01 /* 0001 = H-lock */
+#define RTSEL_SLOCK 0x02 /* 0010 = S-lock */
+#define RTSEL_VLOCK 0x03 /* 0011 = V-lock */
+#define RTSEL_MONO 0x04 /* 0100 = MONO */
+#define RTSEL_DET50 0x05 /* 0101 = DET50 */
+#define RTSEL_FIELD 0x06 /* 0110 = FIELD */
+#define RTSEL_RTCO 0x07 /* 0111 = RTCO ( Real Time Control ) */
+
+/*
+ * structure
+ */
+
+struct regval_list {
+ unsigned char reg_num;
+ unsigned char value;
+};
+
+struct tw9910_scale_ctrl {
+ char *name;
+ unsigned short width;
+ unsigned short height;
+ u16 hscale;
+ u16 vscale;
+};
+
+struct tw9910_cropping_ctrl {
+ u16 vdelay;
+ u16 vactive;
+ u16 hdelay;
+ u16 hactive;
+};
+
+struct tw9910_hsync_ctrl {
+ u16 start;
+ u16 end;
+};
+
+struct tw9910_priv {
+ struct tw9910_video_info *info;
+ struct i2c_client *client;
+ struct soc_camera_device icd;
+ const struct tw9910_scale_ctrl *scale;
+};
+
+/*
+ * register settings
+ */
+
+#define ENDMARKER { 0xff, 0xff }
+
+static const struct regval_list tw9910_default_regs[] =
+{
+ { OPFORM, 0x00 },
+ { OUTCTR1, VSP_LO | VSSL_VVALID | HSP_HI | HSSL_HSYNC },
+ ENDMARKER,
+};
+
+static const struct soc_camera_data_format tw9910_color_fmt[] = {
+ {
+ .name = "VYUY",
+ .fourcc = V4L2_PIX_FMT_VYUY,
+ .depth = 16,
+ .colorspace = V4L2_COLORSPACE_SMPTE170M,
+ }
+};
+
+static const struct tw9910_scale_ctrl tw9910_ntsc_scales[] = {
+ {
+ .name = "NTSC SQ",
+ .width = 640,
+ .height = 480,
+ .hscale = 0x0100,
+ .vscale = 0x0100,
+ },
+ {
+ .name = "NTSC CCIR601",
+ .width = 720,
+ .height = 480,
+ .hscale = 0x0100,
+ .vscale = 0x0100,
+ },
+ {
+ .name = "NTSC SQ (CIF)",
+ .width = 320,
+ .height = 240,
+ .hscale = 0x0200,
+ .vscale = 0x0200,
+ },
+ {
+ .name = "NTSC CCIR601 (CIF)",
+ .width = 360,
+ .height = 240,
+ .hscale = 0x0200,
+ .vscale = 0x0200,
+ },
+ {
+ .name = "NTSC SQ (QCIF)",
+ .width = 160,
+ .height = 120,
+ .hscale = 0x0400,
+ .vscale = 0x0400,
+ },
+ {
+ .name = "NTSC CCIR601 (QCIF)",
+ .width = 180,
+ .height = 120,
+ .hscale = 0x0400,
+ .vscale = 0x0400,
+ },
+};
+
+static const struct tw9910_scale_ctrl tw9910_pal_scales[] = {
+ {
+ .name = "PAL SQ",
+ .width = 768,
+ .height = 576,
+ .hscale = 0x0100,
+ .vscale = 0x0100,
+ },
+ {
+ .name = "PAL CCIR601",
+ .width = 720,
+ .height = 576,
+ .hscale = 0x0100,
+ .vscale = 0x0100,
+ },
+ {
+ .name = "PAL SQ (CIF)",
+ .width = 384,
+ .height = 288,
+ .hscale = 0x0200,
+ .vscale = 0x0200,
+ },
+ {
+ .name = "PAL CCIR601 (CIF)",
+ .width = 360,
+ .height = 288,
+ .hscale = 0x0200,
+ .vscale = 0x0200,
+ },
+ {
+ .name = "PAL SQ (QCIF)",
+ .width = 192,
+ .height = 144,
+ .hscale = 0x0400,
+ .vscale = 0x0400,
+ },
+ {
+ .name = "PAL CCIR601 (QCIF)",
+ .width = 180,
+ .height = 144,
+ .hscale = 0x0400,
+ .vscale = 0x0400,
+ },
+};
+
+static const struct tw9910_cropping_ctrl tw9910_cropping_ctrl = {
+ .vdelay = 0x0012,
+ .vactive = 0x00F0,
+ .hdelay = 0x0010,
+ .hactive = 0x02D0,
+};
+
+static const struct tw9910_hsync_ctrl tw9910_hsync_ctrl = {
+ .start = 0x0260,
+ .end = 0x0300,
+};
+
+/*
+ * general function
+ */
+static int tw9910_set_scale(struct i2c_client *client,
+ const struct tw9910_scale_ctrl *scale)
+{
+ int ret;
+
+ ret = i2c_smbus_write_byte_data(client, SCALE_HI,
+ (scale->vscale & 0x0F00) >> 4 |
+ (scale->hscale & 0x0F00) >> 8);
+ if (ret < 0)
+ return ret;
+
+ ret = i2c_smbus_write_byte_data(client, HSCALE_LO,
+ scale->hscale & 0x00FF);
+ if (ret < 0)
+ return ret;
+
+ ret = i2c_smbus_write_byte_data(client, VSCALE_LO,
+ scale->vscale & 0x00FF);
+
+ return ret;
+}
+
+static int tw9910_set_cropping(struct i2c_client *client,
+ const struct tw9910_cropping_ctrl *cropping)
+{
+ int ret;
+
+ ret = i2c_smbus_write_byte_data(client, CROP_HI,
+ (cropping->vdelay & 0x0300) >> 2 |
+ (cropping->vactive & 0x0300) >> 4 |
+ (cropping->hdelay & 0x0300) >> 6 |
+ (cropping->hactive & 0x0300) >> 8);
+ if (ret < 0)
+ return ret;
+
+ ret = i2c_smbus_write_byte_data(client, VDELAY_LO,
+ cropping->vdelay & 0x00FF);
+ if (ret < 0)
+ return ret;
+
+ ret = i2c_smbus_write_byte_data(client, VACTIVE_LO,
+ cropping->vactive & 0x00FF);
+ if (ret < 0)
+ return ret;
+
+ ret = i2c_smbus_write_byte_data(client, HDELAY_LO,
+ cropping->hdelay & 0x00FF);
+ if (ret < 0)
+ return ret;
+
+ ret = i2c_smbus_write_byte_data(client, HACTIVE_LO,
+ cropping->hactive & 0x00FF);
+
+ return ret;
+}
+
+static int tw9910_set_hsync(struct i2c_client *client,
+ const struct tw9910_hsync_ctrl *hsync)
+{
+ int ret;
+
+ /* bit 10 - 3 */
+ ret = i2c_smbus_write_byte_data(client, HSGEGIN,
+ (hsync->start & 0x07F8) >> 3);
+ if (ret < 0)
+ return ret;
+
+ /* bit 10 - 3 */
+ ret = i2c_smbus_write_byte_data(client, HSEND,
+ (hsync->end & 0x07F8) >> 3);
+ if (ret < 0)
+ return ret;
+
+ /* bit 2 - 0 */
+ ret = i2c_smbus_read_byte_data(client, HSLOWCTL);
+ if (ret < 0)
+ return ret;
+
+ ret = i2c_smbus_write_byte_data(client, HSLOWCTL,
+ (ret & 0x88) |
+ (hsync->start & 0x0007) << 4 |
+ (hsync->end & 0x0007));
+
+ return ret;
+}
+
+static int tw9910_write_array(struct i2c_client *client,
+ const struct regval_list *vals)
+{
+ while (vals->reg_num != 0xff) {
+ int ret = i2c_smbus_write_byte_data(client,
+ vals->reg_num,
+ vals->value);
+ if (ret < 0)
+ return ret;
+ vals++;
+ }
+ return 0;
+}
+
+static int tw9910_mask_set(struct i2c_client *client, u8 command,
+ u8 mask, u8 set)
+{
+ s32 val = i2c_smbus_read_byte_data(client, command);
+
+ val &= ~mask;
+ val |= set;
+
+ return i2c_smbus_write_byte_data(client, command, val);
+}
+
+static void tw9910_reset(struct i2c_client *client)
+{
+ i2c_smbus_write_byte_data(client, ACNTL1, SRESET);
+ msleep(1);
+}
+
+static const struct tw9910_scale_ctrl*
+tw9910_select_norm(struct soc_camera_device *icd, u32 width, u32 height)
+{
+ const struct tw9910_scale_ctrl *scale;
+ const struct tw9910_scale_ctrl *ret = NULL;
+ v4l2_std_id norm = icd->vdev->current_norm;
+ __u32 diff = 0xffffffff, tmp;
+ int size, i;
+
+ if (norm & V4L2_STD_NTSC) {
+ scale = tw9910_ntsc_scales;
+ size = ARRAY_SIZE(tw9910_ntsc_scales);
+ } else if (norm & V4L2_STD_PAL) {
+ scale = tw9910_pal_scales;
+ size = ARRAY_SIZE(tw9910_pal_scales);
+ } else {
+ return NULL;
+ }
+
+ for (i = 0; i < size; i++) {
+ tmp = abs(width - scale[i].width) +
+ abs(height - scale[i].height);
+ if (tmp < diff) {
+ diff = tmp;
+ ret = scale + i;
+ }
+ }
+
+ return ret;
+}
+
+/*
+ * soc_camera_ops function
+ */
+static int tw9910_init(struct soc_camera_device *icd)
+{
+ struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
+ int ret = 0;
+
+ if (priv->info->link.power) {
+ ret = priv->info->link.power(&priv->client->dev, 1);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (priv->info->link.reset)
+ ret = priv->info->link.reset(&priv->client->dev);
+
+ return ret;
+}
+
+static int tw9910_release(struct soc_camera_device *icd)
+{
+ struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
+ int ret = 0;
+
+ if (priv->info->link.power)
+ ret = priv->info->link.power(&priv->client->dev, 0);
+
+ return ret;
+}
+
+static int tw9910_start_capture(struct soc_camera_device *icd)
+{
+ struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
+
+ if (!priv->scale) {
+ dev_err(&icd->dev, "norm select error\n");
+ return -EPERM;
+ }
+
+ dev_dbg(&icd->dev, "%s %dx%d\n",
+ priv->scale->name,
+ priv->scale->width,
+ priv->scale->height);
+
+ return 0;
+}
+
+static int tw9910_stop_capture(struct soc_camera_device *icd)
+{
+ return 0;
+}
+
+static int tw9910_set_bus_param(struct soc_camera_device *icd,
+ unsigned long flags)
+{
+ return 0;
+}
+
+static unsigned long tw9910_query_bus_param(struct soc_camera_device *icd)
+{
+ struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
+ struct soc_camera_link *icl = priv->client->dev.platform_data;
+ unsigned long flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_MASTER |
+ SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_HIGH |
+ SOCAM_DATA_ACTIVE_HIGH | priv->info->buswidth;
+
+ return soc_camera_apply_sensor_flags(icl, flags);
+}
+
+static int tw9910_get_chip_id(struct soc_camera_device *icd,
+ struct v4l2_chip_ident *id)
+{
+ id->ident = V4L2_IDENT_TW9910;
+ id->revision = 0;
+
+ return 0;
+}
+
+static int tw9910_set_std(struct soc_camera_device *icd,
+ v4l2_std_id *a)
+{
+ int ret = -EINVAL;
+
+ if (*a & (V4L2_STD_NTSC | V4L2_STD_PAL))
+ ret = 0;
+
+ return ret;
+}
+
+static int tw9910_enum_input(struct soc_camera_device *icd,
+ struct v4l2_input *inp)
+{
+ inp->type = V4L2_INPUT_TYPE_TUNER;
+ inp->std = V4L2_STD_UNKNOWN;
+ strcpy(inp->name, "Video");
+
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int tw9910_get_register(struct soc_camera_device *icd,
+ struct v4l2_register *reg)
+{
+ struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
+ int ret;
+
+ if (reg->reg > 0xff)
+ return -EINVAL;
+
+ ret = i2c_smbus_read_byte_data(priv->client, reg->reg);
+ if (ret < 0)
+ return ret;
+
+ /* ret = int
+ * reg->val = __u64
+ */
+ reg->val = (__u64)ret;
+
+ return 0;
+}
+
+static int tw9910_set_register(struct soc_camera_device *icd,
+ struct v4l2_register *reg)
+{
+ struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
+
+ if (reg->reg > 0xff ||
+ reg->val > 0xff)
+ return -EINVAL;
+
+ return i2c_smbus_write_byte_data(priv->client, reg->reg, reg->val);
+}
+#endif
+
+static int tw9910_set_fmt(struct soc_camera_device *icd, __u32 pixfmt,
+ struct v4l2_rect *rect)
+{
+ struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
+ int ret = -EINVAL;
+ u8 val;
+
+ /*
+ * select suitable norm
+ */
+ priv->scale = tw9910_select_norm(icd, rect->width, rect->height);
+ if (!priv->scale)
+ goto tw9910_set_fmt_error;
+
+ /*
+ * reset hardware
+ */
+ tw9910_reset(priv->client);
+ ret = tw9910_write_array(priv->client, tw9910_default_regs);
+ if (ret < 0)
+ goto tw9910_set_fmt_error;
+
+ /*
+ * set bus width
+ */
+ val = 0x00;
+ if (SOCAM_DATAWIDTH_16 == priv->info->buswidth)
+ val = LEN;
+
+ ret = tw9910_mask_set(priv->client, OPFORM, LEN, val);
+ if (ret < 0)
+ goto tw9910_set_fmt_error;
+
+ /*
+ * select MPOUT behavior
+ */
+ switch (priv->info->mpout) {
+ case TW9910_MPO_VLOSS:
+ val = RTSEL_VLOSS; break;
+ case TW9910_MPO_HLOCK:
+ val = RTSEL_HLOCK; break;
+ case TW9910_MPO_SLOCK:
+ val = RTSEL_SLOCK; break;
+ case TW9910_MPO_VLOCK:
+ val = RTSEL_VLOCK; break;
+ case TW9910_MPO_MONO:
+ val = RTSEL_MONO; break;
+ case TW9910_MPO_DET50:
+ val = RTSEL_DET50; break;
+ case TW9910_MPO_FIELD:
+ val = RTSEL_FIELD; break;
+ case TW9910_MPO_RTCO:
+ val = RTSEL_RTCO; break;
+ default:
+ val = 0;
+ }
+
+ ret = tw9910_mask_set(priv->client, VBICNTL, RTSEL_MASK, val);
+ if (ret < 0)
+ goto tw9910_set_fmt_error;
+
+ /*
+ * set scale
+ */
+ ret = tw9910_set_scale(priv->client, priv->scale);
+ if (ret < 0)
+ goto tw9910_set_fmt_error;
+
+ /*
+ * set cropping
+ */
+ ret = tw9910_set_cropping(priv->client, &tw9910_cropping_ctrl);
+ if (ret < 0)
+ goto tw9910_set_fmt_error;
+
+ /*
+ * set hsync
+ */
+ ret = tw9910_set_hsync(priv->client, &tw9910_hsync_ctrl);
+ if (ret < 0)
+ goto tw9910_set_fmt_error;
+
+ return ret;
+
+tw9910_set_fmt_error:
+
+ tw9910_reset(priv->client);
+ priv->scale = NULL;
+
+ return ret;
+}
+
+static int tw9910_try_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ const struct tw9910_scale_ctrl *scale;
+
+ if (V4L2_FIELD_ANY == pix->field) {
+ pix->field = V4L2_FIELD_INTERLACED;
+ } else if (V4L2_FIELD_INTERLACED != pix->field) {
+ dev_err(&icd->dev, "Field type invalid.\n");
+ return -EINVAL;
+ }
+
+ /*
+ * select suitable norm
+ */
+ scale = tw9910_select_norm(icd, pix->width, pix->height);
+ if (!scale)
+ return -EINVAL;
+
+ pix->width = scale->width;
+ pix->height = scale->height;
+
+ return 0;
+}
+
+static int tw9910_video_probe(struct soc_camera_device *icd)
+{
+ struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
+ s32 val;
+ 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;
+
+ /*
+ * tw9910 only use 8 or 16 bit bus width
+ */
+ if (SOCAM_DATAWIDTH_16 != priv->info->buswidth &&
+ SOCAM_DATAWIDTH_8 != priv->info->buswidth) {
+ dev_err(&icd->dev, "bus width error\n");
+ return -ENODEV;
+ }
+
+ icd->formats = tw9910_color_fmt;
+ icd->num_formats = ARRAY_SIZE(tw9910_color_fmt);
+
+ /*
+ * check and show Product ID
+ */
+ val = i2c_smbus_read_byte_data(priv->client, ID);
+ if (0x0B != GET_ID(val) ||
+ 0x00 != GET_ReV(val)) {
+ dev_err(&icd->dev,
+ "Product ID error %x:%x\n", GET_ID(val), GET_ReV(val));
+ return -ENODEV;
+ }
+
+ dev_info(&icd->dev,
+ "tw9910 Product ID %0x:%0x\n", GET_ID(val), GET_ReV(val));
+
+ ret = soc_camera_video_start(icd);
+ if (ret < 0)
+ return ret;
+
+ icd->vdev->tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL;
+ icd->vdev->current_norm = V4L2_STD_NTSC;
+
+ return ret;
+}
+
+static void tw9910_video_remove(struct soc_camera_device *icd)
+{
+ soc_camera_video_stop(icd);
+}
+
+static struct soc_camera_ops tw9910_ops = {
+ .owner = THIS_MODULE,
+ .probe = tw9910_video_probe,
+ .remove = tw9910_video_remove,
+ .init = tw9910_init,
+ .release = tw9910_release,
+ .start_capture = tw9910_start_capture,
+ .stop_capture = tw9910_stop_capture,
+ .set_fmt = tw9910_set_fmt,
+ .try_fmt = tw9910_try_fmt,
+ .set_bus_param = tw9910_set_bus_param,
+ .query_bus_param = tw9910_query_bus_param,
+ .get_chip_id = tw9910_get_chip_id,
+ .set_std = tw9910_set_std,
+ .enum_input = tw9910_enum_input,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .get_register = tw9910_get_register,
+ .set_register = tw9910_set_register,
+#endif
+};
+
+/*
+ * i2c_driver function
+ */
+
+static int tw9910_probe(struct i2c_client *client,
+ const struct i2c_device_id *did)
+
+{
+ struct tw9910_priv *priv;
+ struct tw9910_video_info *info;
+ struct soc_camera_device *icd;
+ const struct tw9910_scale_ctrl *scale;
+ int i, ret;
+
+ info = client->dev.platform_data;
+ if (!info)
+ return -EINVAL;
+
+ if (!i2c_check_functionality(to_i2c_adapter(client->dev.parent),
+ I2C_FUNC_SMBUS_BYTE_DATA)) {
+ dev_err(&client->dev,
+ "I2C-Adapter doesn't support "
+ "I2C_FUNC_SMBUS_BYTE_DATA\n");
+ return -EIO;
+ }
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->info = info;
+ priv->client = client;
+ i2c_set_clientdata(client, priv);
+
+ icd = &priv->icd;
+ icd->ops = &tw9910_ops;
+ icd->control = &client->dev;
+ icd->iface = info->link.bus_id;
+
+ /*
+ * set width and height
+ */
+ icd->width_max = tw9910_ntsc_scales[0].width; /* set default */
+ icd->width_min = tw9910_ntsc_scales[0].width;
+ icd->height_max = tw9910_ntsc_scales[0].height;
+ icd->height_min = tw9910_ntsc_scales[0].height;
+
+ scale = tw9910_ntsc_scales;
+ for (i = 0; i < ARRAY_SIZE(tw9910_ntsc_scales); i++) {
+ icd->width_max = max(scale[i].width, icd->width_max);
+ icd->width_min = min(scale[i].width, icd->width_min);
+ icd->height_max = max(scale[i].height, icd->height_max);
+ icd->height_min = min(scale[i].height, icd->height_min);
+ }
+ scale = tw9910_pal_scales;
+ for (i = 0; i < ARRAY_SIZE(tw9910_pal_scales); i++) {
+ icd->width_max = max(scale[i].width, icd->width_max);
+ icd->width_min = min(scale[i].width, icd->width_min);
+ icd->height_max = max(scale[i].height, icd->height_max);
+ icd->height_min = min(scale[i].height, icd->height_min);
+ }
+
+ ret = soc_camera_device_register(icd);
+
+ if (ret) {
+ i2c_set_clientdata(client, NULL);
+ kfree(priv);
+ }
+
+ return ret;
+}
+
+static int tw9910_remove(struct i2c_client *client)
+{
+ struct tw9910_priv *priv = i2c_get_clientdata(client);
+
+ soc_camera_device_unregister(&priv->icd);
+ i2c_set_clientdata(client, NULL);
+ kfree(priv);
+ return 0;
+}
+
+static const struct i2c_device_id tw9910_id[] = {
+ { "tw9910", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, tw9910_id);
+
+static struct i2c_driver tw9910_i2c_driver = {
+ .driver = {
+ .name = "tw9910",
+ },
+ .probe = tw9910_probe,
+ .remove = tw9910_remove,
+ .id_table = tw9910_id,
+};
+
+/*
+ * module function
+ */
+static int __init tw9910_module_init(void)
+{
+ return i2c_add_driver(&tw9910_i2c_driver);
+}
+
+static void __exit tw9910_module_exit(void)
+{
+ i2c_del_driver(&tw9910_i2c_driver);
+}
+
+module_init(tw9910_module_init);
+module_exit(tw9910_module_exit);
+
+MODULE_DESCRIPTION("SoC Camera driver for tw9910");
+MODULE_AUTHOR("Kuninori Morimoto");
+MODULE_LICENSE("GPL v2");
diff --git a/linux/include/asm-arm/arch-pxa/pxa-regs.h b/linux/include/asm-arm/arch-pxa/pxa-regs.h
index dce930862..676995b90 100644
--- a/linux/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/linux/include/asm-arm/arch-pxa/pxa-regs.h
@@ -842,101 +842,6 @@
#ifdef CONFIG_PXA27x
-/* Camera Interface */
-#define CICR0 __REG(0x50000000)
-#define CICR1 __REG(0x50000004)
-#define CICR2 __REG(0x50000008)
-#define CICR3 __REG(0x5000000C)
-#define CICR4 __REG(0x50000010)
-#define CISR __REG(0x50000014)
-#define CIFR __REG(0x50000018)
-#define CITOR __REG(0x5000001C)
-#define CIBR0 __REG(0x50000028)
-#define CIBR1 __REG(0x50000030)
-#define CIBR2 __REG(0x50000038)
-
-#define CICR0_DMAEN (1 << 31) /* DMA request enable */
-#define CICR0_PAR_EN (1 << 30) /* Parity enable */
-#define CICR0_SL_CAP_EN (1 << 29) /* Capture enable for slave mode */
-#define CICR0_ENB (1 << 28) /* Camera interface enable */
-#define CICR0_DIS (1 << 27) /* Camera interface disable */
-#define CICR0_SIM (0x7 << 24) /* Sensor interface mode mask */
-#define CICR0_TOM (1 << 9) /* Time-out mask */
-#define CICR0_RDAVM (1 << 8) /* Receive-data-available mask */
-#define CICR0_FEM (1 << 7) /* FIFO-empty mask */
-#define CICR0_EOLM (1 << 6) /* End-of-line mask */
-#define CICR0_PERRM (1 << 5) /* Parity-error mask */
-#define CICR0_QDM (1 << 4) /* Quick-disable mask */
-#define CICR0_CDM (1 << 3) /* Disable-done mask */
-#define CICR0_SOFM (1 << 2) /* Start-of-frame mask */
-#define CICR0_EOFM (1 << 1) /* End-of-frame mask */
-#define CICR0_FOM (1 << 0) /* FIFO-overrun mask */
-
-#define CICR1_TBIT (1 << 31) /* Transparency bit */
-#define CICR1_RGBT_CONV (0x3 << 29) /* RGBT conversion mask */
-#define CICR1_PPL (0x7ff << 15) /* Pixels per line mask */
-#define CICR1_RGB_CONV (0x7 << 12) /* RGB conversion mask */
-#define CICR1_RGB_F (1 << 11) /* RGB format */
-#define CICR1_YCBCR_F (1 << 10) /* YCbCr format */
-#define CICR1_RGB_BPP (0x7 << 7) /* RGB bis per pixel mask */
-#define CICR1_RAW_BPP (0x3 << 5) /* Raw bis per pixel mask */
-#define CICR1_COLOR_SP (0x3 << 3) /* Color space mask */
-#define CICR1_DW (0x7 << 0) /* Data width mask */
-
-#define CICR2_BLW (0xff << 24) /* Beginning-of-line pixel clock
- wait count mask */
-#define CICR2_ELW (0xff << 16) /* End-of-line pixel clock
- wait count mask */
-#define CICR2_HSW (0x3f << 10) /* Horizontal sync pulse width mask */
-#define CICR2_BFPW (0x3f << 3) /* Beginning-of-frame pixel clock
- wait count mask */
-#define CICR2_FSW (0x7 << 0) /* Frame stabilization
- wait count mask */
-
-#define CICR3_BFW (0xff << 24) /* Beginning-of-frame line clock
- wait count mask */
-#define CICR3_EFW (0xff << 16) /* End-of-frame line clock
- wait count mask */
-#define CICR3_VSW (0x3f << 10) /* Vertical sync pulse width mask */
-#define CICR3_BFPW (0x3f << 3) /* Beginning-of-frame pixel clock
- wait count mask */
-#define CICR3_LPF (0x7ff << 0) /* Lines per frame mask */
-
-#define CICR4_MCLK_DLY (0x3 << 24) /* MCLK Data Capture Delay mask */
-#define CICR4_PCLK_EN (1 << 23) /* Pixel clock enable */
-#define CICR4_PCP (1 << 22) /* Pixel clock polarity */
-#define CICR4_HSP (1 << 21) /* Horizontal sync polarity */
-#define CICR4_VSP (1 << 20) /* Vertical sync polarity */
-#define CICR4_MCLK_EN (1 << 19) /* MCLK enable */
-#define CICR4_FR_RATE (0x7 << 8) /* Frame rate mask */
-#define CICR4_DIV (0xff << 0) /* Clock divisor mask */
-
-#define CISR_FTO (1 << 15) /* FIFO time-out */
-#define CISR_RDAV_2 (1 << 14) /* Channel 2 receive data available */
-#define CISR_RDAV_1 (1 << 13) /* Channel 1 receive data available */
-#define CISR_RDAV_0 (1 << 12) /* Channel 0 receive data available */
-#define CISR_FEMPTY_2 (1 << 11) /* Channel 2 FIFO empty */
-#define CISR_FEMPTY_1 (1 << 10) /* Channel 1 FIFO empty */
-#define CISR_FEMPTY_0 (1 << 9) /* Channel 0 FIFO empty */
-#define CISR_EOL (1 << 8) /* End of line */
-#define CISR_PAR_ERR (1 << 7) /* Parity error */
-#define CISR_CQD (1 << 6) /* Camera interface quick disable */
-#define CISR_CDD (1 << 5) /* Camera interface disable done */
-#define CISR_SOF (1 << 4) /* Start of frame */
-#define CISR_EOF (1 << 3) /* End of frame */
-#define CISR_IFO_2 (1 << 2) /* FIFO overrun for Channel 2 */
-#define CISR_IFO_1 (1 << 1) /* FIFO overrun for Channel 1 */
-#define CISR_IFO_0 (1 << 0) /* FIFO overrun for Channel 0 */
-
-#define CIFR_FLVL2 (0x7f << 23) /* FIFO 2 level mask */
-#define CIFR_FLVL1 (0x7f << 16) /* FIFO 1 level mask */
-#define CIFR_FLVL0 (0xff << 8) /* FIFO 0 level mask */
-#define CIFR_THL_0 (0x3 << 4) /* Threshold Level for Channel 0 FIFO */
-#define CIFR_RESET_F (1 << 3) /* Reset input FIFOs */
-#define CIFR_FEN2 (1 << 2) /* FIFO enable for channel 2 */
-#define CIFR_FEN1 (1 << 1) /* FIFO enable for channel 1 */
-#define CIFR_FEN0 (1 << 0) /* FIFO enable for channel 0 */
-
#define SRAM_SIZE 0x40000 /* 4x64K */
#define SRAM_MEM_PHYS 0x5C000000
diff --git a/linux/include/linux/videodev2.h b/linux/include/linux/videodev2.h
index 018894814..0aae06946 100644
--- a/linux/include/linux/videodev2.h
+++ b/linux/include/linux/videodev2.h
@@ -305,6 +305,8 @@ struct v4l2_pix_format {
/* two planes -- one Y, one Cr + Cb interleaved */
#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
+#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
+#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
/* The following formats are not defined in the V4L2 specification */
#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
diff --git a/linux/include/media/soc_camera.h b/linux/include/media/soc_camera.h
index da57ffdae..425b6a98c 100644
--- a/linux/include/media/soc_camera.h
+++ b/linux/include/media/soc_camera.h
@@ -12,9 +12,10 @@
#ifndef SOC_CAMERA_H
#define SOC_CAMERA_H
+#include <linux/mutex.h>
+#include <linux/pm.h>
#include <linux/videodev2.h>
#include <media/videobuf-core.h>
-#include <linux/pm.h>
struct soc_camera_device {
struct list_head list;
@@ -36,6 +37,7 @@ struct soc_camera_device {
unsigned char iface; /* Host number */
unsigned char devnum; /* Device number per host */
unsigned char buswidth; /* See comment in .c */
+ struct soc_camera_sense *sense; /* See comment in struct definition */
struct soc_camera_ops *ops;
struct video_device *vdev;
const struct soc_camera_data_format *current_fmt;
@@ -44,9 +46,10 @@ struct soc_camera_device {
struct soc_camera_format_xlate *user_formats;
int num_user_formats;
struct module *owner;
- void *host_priv; /* per-device host private data */
- /* soc_camera.c private count. Only accessed with video_lock held */
+ void *host_priv; /* Per-device host private data */
+ /* soc_camera.c private count. Only accessed with .video_lock held */
int use_count;
+ struct mutex video_lock; /* Protects device data */
};
struct soc_camera_file {
@@ -81,11 +84,19 @@ struct soc_camera_host_ops {
unsigned int (*poll)(struct file *, poll_table *);
};
+#define SOCAM_SENSOR_INVERT_PCLK (1 << 0)
+#define SOCAM_SENSOR_INVERT_MCLK (1 << 1)
+#define SOCAM_SENSOR_INVERT_HSYNC (1 << 2)
+#define SOCAM_SENSOR_INVERT_VSYNC (1 << 3)
+#define SOCAM_SENSOR_INVERT_DATA (1 << 4)
+
struct soc_camera_link {
/* Camera bus id, used to match a camera and a bus */
int bus_id;
/* GPIO number to switch between 8 and 10 bit modes */
unsigned int gpio;
+ /* Per camera SOCAM_SENSOR_* bus flags */
+ unsigned long flags;
/* Optional callbacks to power on or off and reset the sensor */
int (*power)(struct device *, int);
int (*reset)(struct device *);
@@ -154,6 +165,8 @@ struct soc_camera_ops {
int (*set_bus_param)(struct soc_camera_device *, unsigned long);
int (*get_chip_id)(struct soc_camera_device *,
struct v4l2_chip_ident *);
+ int (*set_std)(struct soc_camera_device *, v4l2_std_id *);
+ int (*enum_input)(struct soc_camera_device *, struct v4l2_input *);
#ifdef CONFIG_VIDEO_ADV_DEBUG
int (*get_register)(struct soc_camera_device *, struct v4l2_register *);
int (*set_register)(struct soc_camera_device *, struct v4l2_register *);
@@ -164,6 +177,32 @@ struct soc_camera_ops {
int num_controls;
};
+#define SOCAM_SENSE_PCLK_CHANGED (1 << 0)
+
+/**
+ * This struct can be attached to struct soc_camera_device by the host driver
+ * to request sense from the camera, for example, when calling .set_fmt(). The
+ * host then can check which flags are set and verify respective values if any.
+ * For example, if SOCAM_SENSE_PCLK_CHANGED is set, it means, pixclock has
+ * changed during this operation. After completion the host should detach sense.
+ *
+ * @flags ored SOCAM_SENSE_* flags
+ * @master_clock if the host wants to be informed about pixel-clock
+ * change, it better set master_clock.
+ * @pixel_clock_max maximum pixel clock frequency supported by the host,
+ * camera is not allowed to exceed this.
+ * @pixel_clock if the camera driver changed pixel clock during this
+ * operation, it sets SOCAM_SENSE_PCLK_CHANGED, uses
+ * master_clock to calculate the new pixel-clock and
+ * sets this field.
+ */
+struct soc_camera_sense {
+ unsigned long flags;
+ unsigned long master_clock;
+ unsigned long pixel_clock_max;
+ unsigned long pixel_clock;
+};
+
static inline struct v4l2_queryctrl const *soc_camera_find_qctrl(
struct soc_camera_ops *ops, int id)
{
@@ -182,15 +221,20 @@ static inline struct v4l2_queryctrl const *soc_camera_find_qctrl(
#define SOCAM_HSYNC_ACTIVE_LOW (1 << 3)
#define SOCAM_VSYNC_ACTIVE_HIGH (1 << 4)
#define SOCAM_VSYNC_ACTIVE_LOW (1 << 5)
-#define SOCAM_DATAWIDTH_8 (1 << 6)
-#define SOCAM_DATAWIDTH_9 (1 << 7)
-#define SOCAM_DATAWIDTH_10 (1 << 8)
-#define SOCAM_DATAWIDTH_16 (1 << 9)
-#define SOCAM_PCLK_SAMPLE_RISING (1 << 10)
-#define SOCAM_PCLK_SAMPLE_FALLING (1 << 11)
+#define SOCAM_DATAWIDTH_4 (1 << 6)
+#define SOCAM_DATAWIDTH_8 (1 << 7)
+#define SOCAM_DATAWIDTH_9 (1 << 8)
+#define SOCAM_DATAWIDTH_10 (1 << 9)
+#define SOCAM_DATAWIDTH_15 (1 << 10)
+#define SOCAM_DATAWIDTH_16 (1 << 11)
+#define SOCAM_PCLK_SAMPLE_RISING (1 << 12)
+#define SOCAM_PCLK_SAMPLE_FALLING (1 << 13)
+#define SOCAM_DATA_ACTIVE_HIGH (1 << 14)
+#define SOCAM_DATA_ACTIVE_LOW (1 << 15)
-#define SOCAM_DATAWIDTH_MASK (SOCAM_DATAWIDTH_8 | SOCAM_DATAWIDTH_9 | \
- SOCAM_DATAWIDTH_10 | SOCAM_DATAWIDTH_16)
+#define SOCAM_DATAWIDTH_MASK (SOCAM_DATAWIDTH_4 | SOCAM_DATAWIDTH_8 | \
+ SOCAM_DATAWIDTH_9 | SOCAM_DATAWIDTH_10 | \
+ SOCAM_DATAWIDTH_15 | SOCAM_DATAWIDTH_16)
static inline unsigned long soc_camera_bus_param_compatible(
unsigned long camera_flags, unsigned long bus_flags)
@@ -206,4 +250,7 @@ static inline unsigned long soc_camera_bus_param_compatible(
return (!hsync || !vsync || !pclk) ? 0 : common_flags;
}
+extern unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl,
+ unsigned long flags);
+
#endif
diff --git a/linux/include/media/tw9910.h b/linux/include/media/tw9910.h
new file mode 100644
index 000000000..73231e788
--- /dev/null
+++ b/linux/include/media/tw9910.h
@@ -0,0 +1,39 @@
+/*
+ * tw9910 Driver header
+ *
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * Based on ov772x.h
+ *
+ * Copyright (C) Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * 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.
+ */
+
+#ifndef __TW9910_H__
+#define __TW9910_H__
+
+#include <media/soc_camera.h>
+
+enum tw9910_mpout_pin {
+ TW9910_MPO_VLOSS,
+ TW9910_MPO_HLOCK,
+ TW9910_MPO_SLOCK,
+ TW9910_MPO_VLOCK,
+ TW9910_MPO_MONO,
+ TW9910_MPO_DET50,
+ TW9910_MPO_FIELD,
+ TW9910_MPO_RTCO,
+};
+
+struct tw9910_video_info {
+ unsigned long buswidth;
+ enum tw9910_mpout_pin mpout;
+ struct soc_camera_link link;
+};
+
+
+#endif /* __TW9910_H__ */
diff --git a/linux/include/media/v4l2-chip-ident.h b/linux/include/media/v4l2-chip-ident.h
index e3e5b5393..43dbb659f 100644
--- a/linux/include/media/v4l2-chip-ident.h
+++ b/linux/include/media/v4l2-chip-ident.h
@@ -60,7 +60,8 @@ enum {
/* OmniVision sensors: reserved range 250-299 */
V4L2_IDENT_OV7670 = 250,
- V4L2_IDENT_OV772X = 251,
+ V4L2_IDENT_OV7720 = 251,
+ V4L2_IDENT_OV7725 = 252,
/* Conexant MPEG encoder/decoders: reserved range 410-420 */
V4L2_IDENT_CX23415 = 415,
@@ -86,6 +87,9 @@ enum {
/* module wm8775: just ident 8775 */
V4L2_IDENT_WM8775 = 8775,
+ /* module tw9910: just ident 9910 */
+ V4L2_IDENT_TW9910 = 9910,
+
/* module cs53132a: just ident 53132 */
V4L2_IDENT_CS53l32A = 53132,
@@ -170,8 +174,10 @@ enum {
V4L2_IDENT_MT9M001C12ST = 45000,
V4L2_IDENT_MT9M001C12STM = 45005,
V4L2_IDENT_MT9M111 = 45007,
+ V4L2_IDENT_MT9M112 = 45008,
V4L2_IDENT_MT9V022IX7ATC = 45010, /* No way to detect "normal" I77ATx */
V4L2_IDENT_MT9V022IX7ATM = 45015, /* and "lead free" IA7ATx chips */
+ V4L2_IDENT_MT9T031 = 45020,
};
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-22 19:53:07 +0000