root@beagleboardxMC:~# yavta -f SGRBG8 -s 320x240 -n 4 --capture=10 --skip 3 -F `media-ctl -e "OMAP3 ISP CCDC output"`
Device /dev/video2 opened.
Device `OMAP3 ISP CCDC output' on `media' is a video capture device.
Video format set: SGRBG8 (47425247) 320x240 buffer size 76800
Video format: SGRBG8 (47425247) 320x240 buffer size 76800
4 buffers requested.
length: 76800 offset: 0
Buffer 0 mapped at address 0x402cf000.
length: 76800 offset: 77824
Buffer 1 mapped at address 0x402fe000.
length: 76800 offset: 155648
Buffer 2 mapped at address 0x40362000.
length: 76800 offset: 233472
Buffer 3 mapped at address 0x40416000.
0 (0) [-] 4294967295 76800 bytes 167.403289 1306829219.931121 0.002 fps
1 (1) [-] 4294967295 76800 bytes 167.633148 1306829220.160980 4.350 fps
2 (2) [-] 4294967295 76800 bytes 167.744506 1306829220.272308 8.980 fps
3 (3) [-] 4294967295 76800 bytes 167.855865 1306829220.383667 8.980 fps
4 (0) [-] 4294967295 76800 bytes 167.967193 1306829220.495025 8.982 fps
5 (1) [-] 4294967295 76800 bytes 168.078552 1306829220.606384 8.980 fps
6 (2) [-] 4294967295 76800 bytes 168.189910 1306829220.717742 8.980 fps
7 (3) [-] 4294967295 76800 bytes 168.301269 1306829220.829071 8.980 fps
8 (0) [-] 4294967295 76800 bytes 168.412597 1306829220.940429 8.982 fps
9 (1) [-] 4294967295 76800 bytes 168.523956 1306829221.051788 8.980 fps
Captured 10 frames in 1.254212 seconds (7.973134 fps, 612336.670356 B/s).
4 buffers released.
So that seems to be working! I haven't checked the frames yet, but is isn't throwing ISP errors anymore.
Op 31 mei 2011, om 11:46 heeft Javier Martin het volgende geschreven:
> Since isp clocks have not been exposed yet, this patch
> includes a temporal solution for testing mt9p031 driver
> in Beagleboard xM.
>
> Signed-off-by: Javier Martin <javier.martin@xxxxxxxxxxxxxxxxx>
> ---
> arch/arm/mach-omap2/Makefile | 1 +
> arch/arm/mach-omap2/board-omap3beagle-camera.c | 90 ++++++++++++++++++++++++
> arch/arm/mach-omap2/board-omap3beagle.c | 55 ++++++++++++++
> 3 files changed, 146 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/mach-omap2/board-omap3beagle-camera.c
>
> diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
> index 512b152..05cd983 100644
> --- a/arch/arm/mach-omap2/Makefile
> +++ b/arch/arm/mach-omap2/Makefile
> @@ -179,6 +179,7 @@ obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o \
> hsmmc.o
> obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o
> obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o \
> + board-omap3beagle-camera.o \
> hsmmc.o
> obj-$(CONFIG_MACH_DEVKIT8000) += board-devkit8000.o \
> hsmmc.o
> diff --git a/arch/arm/mach-omap2/board-omap3beagle-camera.c b/arch/arm/mach-omap2/board-omap3beagle-camera.c
> new file mode 100644
> index 0000000..04365b2
> --- /dev/null
> +++ b/arch/arm/mach-omap2/board-omap3beagle-camera.c
> @@ -0,0 +1,90 @@
> +#include <linux/gpio.h>
> +#include <linux/regulator/machine.h>
> +
> +#include <plat/i2c.h>
> +
> +#include <media/mt9p031.h>
> +
> +#include "devices.h"
> +#include "../../../drivers/media/video/omap3isp/isp.h"
> +
> +#define MT9P031_RESET_GPIO 98
> +#define MT9P031_XCLK ISP_XCLK_A
> +
> +static struct regulator *reg_1v8, *reg_2v8;
> +
> +static int beagle_cam_set_xclk(struct v4l2_subdev *subdev, int hz)
> +{
> + struct isp_device *isp = v4l2_dev_to_isp_device(subdev->v4l2_dev);
> + int ret;
> +
> + ret = isp->platform_cb.set_xclk(isp, hz, MT9P031_XCLK);
> + return 0;
> +}
> +
> +static int beagle_cam_reset(struct v4l2_subdev *subdev, int active)
> +{
> + /* Set RESET_BAR to !active */
> + gpio_set_value(MT9P031_RESET_GPIO, !active);
> +
> + return 0;
> +}
> +
> +static struct mt9p031_platform_data beagle_mt9p031_platform_data = {
> + .set_xclk = beagle_cam_set_xclk,
> + .reset = beagle_cam_reset,
> +};
> +
> +static struct i2c_board_info mt9p031_camera_i2c_device = {
> + I2C_BOARD_INFO("mt9p031", 0x48),
> + .platform_data = &beagle_mt9p031_platform_data,
> +};
> +
> +static struct isp_subdev_i2c_board_info mt9p031_camera_subdevs[] = {
> + {
> + .board_info = &mt9p031_camera_i2c_device,
> + .i2c_adapter_id = 2,
> + },
> + { NULL, 0, },
> +};
> +
> +static struct isp_v4l2_subdevs_group beagle_camera_subdevs[] = {
> + {
> + .subdevs = mt9p031_camera_subdevs,
> + .interface = ISP_INTERFACE_PARALLEL,
> + .bus = {
> + .parallel = {
> + .data_lane_shift = 0,
> + .clk_pol = 1,
> + .bridge = ISPCTRL_PAR_BRIDGE_DISABLE,
> + }
> + },
> + },
> + { },
> +};
> +
> +static struct isp_platform_data beagle_isp_platform_data = {
> + .subdevs = beagle_camera_subdevs,
> +};
> +
> +static int __init beagle_camera_init(void)
> +{
> + reg_1v8 = regulator_get(NULL, "cam_1v8");
> + if (IS_ERR(reg_1v8))
> + pr_err("%s: cannot get cam_1v8 regulator\n", __func__);
> + else
> + regulator_enable(reg_1v8);
> +
> + reg_2v8 = regulator_get(NULL, "cam_2v8");
> + if (IS_ERR(reg_2v8))
> + pr_err("%s: cannot get cam_2v8 regulator\n", __func__);
> + else
> + regulator_enable(reg_2v8);
> +
> + omap_register_i2c_bus(2, 100, NULL, 0);
> + gpio_request(MT9P031_RESET_GPIO, "cam_rst");
> + gpio_direction_output(MT9P031_RESET_GPIO, 0);
> + omap3_init_camera(&beagle_isp_platform_data);
> + return 0;
> +}
> +late_initcall(beagle_camera_init);
> diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
> index 33007fd..c18d21c 100644
> --- a/arch/arm/mach-omap2/board-omap3beagle.c
> +++ b/arch/arm/mach-omap2/board-omap3beagle.c
> @@ -24,12 +24,16 @@
> #include <linux/input.h>
> #include <linux/gpio_keys.h>
> #include <linux/opp.h>
> +#include <linux/i2c.h>
> +#include <linux/mm.h>
> +#include <linux/videodev2.h>
>
> #include <linux/mtd/mtd.h>
> #include <linux/mtd/partitions.h>
> #include <linux/mtd/nand.h>
> #include <linux/mmc/host.h>
>
> +#include <linux/gpio.h>
> #include <linux/regulator/machine.h>
> #include <linux/i2c/twl.h>
>
> @@ -47,6 +51,7 @@
> #include <plat/nand.h>
> #include <plat/usb.h>
> #include <plat/omap_device.h>
> +#include <plat/i2c.h>
>
> #include "mux.h"
> #include "hsmmc.h"
> @@ -273,6 +278,44 @@ static struct regulator_consumer_supply beagle_vsim_supply = {
>
> static struct gpio_led gpio_leds[];
>
> +static struct regulator_consumer_supply beagle_vaux3_supply = {
> + .supply = "cam_1v8",
> +};
> +
> +static struct regulator_consumer_supply beagle_vaux4_supply = {
> + .supply = "cam_2v8",
> +};
> +
> +/* VAUX3 for CAM_1V8 */
> +static struct regulator_init_data beagle_vaux3 = {
> + .constraints = {
> + .min_uV = 1800000,
> + .max_uV = 1800000,
> + .apply_uV = true,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL
> + | REGULATOR_MODE_STANDBY,
> + .valid_ops_mask = REGULATOR_CHANGE_MODE
> + | REGULATOR_CHANGE_STATUS,
> + },
> + .num_consumer_supplies = 1,
> + .consumer_supplies = &beagle_vaux3_supply,
> +};
> +
> +/* VAUX4 for CAM_2V8 */
> +static struct regulator_init_data beagle_vaux4 = {
> + .constraints = {
> + .min_uV = 1800000,
> + .max_uV = 1800000,
> + .apply_uV = true,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL
> + | REGULATOR_MODE_STANDBY,
> + .valid_ops_mask = REGULATOR_CHANGE_MODE
> + | REGULATOR_CHANGE_STATUS,
> + },
> + .num_consumer_supplies = 1,
> + .consumer_supplies = &beagle_vaux4_supply,
> +};
> +
> static int beagle_twl_gpio_setup(struct device *dev,
> unsigned gpio, unsigned ngpio)
> {
> @@ -309,6 +352,15 @@ static int beagle_twl_gpio_setup(struct device *dev,
> pr_err("%s: unable to configure EHCI_nOC\n", __func__);
> }
>
> + if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
> + /*
> + * Power on camera interface - only on pre-production, not
> + * needed on production boards
> + */
> + gpio_request(gpio + 2, "CAM_EN");
> + gpio_direction_output(gpio + 2, 1);
> + }
> +
> /*
> * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
> * high / others active low)
> @@ -451,6 +503,8 @@ static struct twl4030_platform_data beagle_twldata = {
> .vsim = &beagle_vsim,
> .vdac = &beagle_vdac,
> .vpll2 = &beagle_vpll2,
> + .vaux3 = &beagle_vaux3,
> + .vaux4 = &beagle_vaux4,
> };
>
> static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
> @@ -658,6 +712,7 @@ static void __init omap3_beagle_init(void)
> {
> omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
> omap3_beagle_init_rev();
> +
> omap3_beagle_i2c_init();
> platform_add_devices(omap3_beagle_devices,
> ARRAY_SIZE(omap3_beagle_devices));
> --
> 1.7.0.4
>
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