Signed-off-by: Antonio Ospite <ospite@xxxxxxxxxxxxxxxxx>
Signed-off-by: Bart Visscher <bartv@xxxxxxxxxx>
---
arch/arm/mach-pxa/ezx.c | 178 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 178 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
index 588b265..9faa6e5 100644
--- a/arch/arm/mach-pxa/ezx.c
+++ b/arch/arm/mach-pxa/ezx.c
@@ -17,8 +17,11 @@
#include <linux/delay.h>
#include <linux/pwm_backlight.h>
#include <linux/input.h>
+#include <linux/gpio.h>
#include <linux/gpio_keys.h>
+#include <media/soc_camera.h>
+
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -29,6 +32,7 @@
#include <plat/i2c.h>
#include <mach/hardware.h>
#include <mach/pxa27x_keypad.h>
+#include <mach/camera.h>
#include "devices.h"
#include "generic.h"
@@ -683,8 +687,102 @@ static struct platform_device a780_gpio_keys = {
},
};
+/* camera */
+static int a780_pxacamera_init(struct device *dev)
+{
+ int err;
+
+ /*
+ * GPIO50_GPIO is CAM_EN: active low
+ * GPIO19_GPIO is CAM_RST: active high
+ */
+ err = gpio_request(MFP_PIN_GPIO50, "nCAM_EN");
+ if (err) {
+ pr_err("%s: Failed to request nCAM_EN\n", __func__);
+ goto fail;
+ }
+
+ err = gpio_request(MFP_PIN_GPIO19, "CAM_RST");
+ if (err) {
+ pr_err("%s: Failed to request CAM_RST\n", __func__);
+ goto fail_gpio_cam_rst;
+ }
+
+ gpio_direction_output(MFP_PIN_GPIO50, 0);
+ gpio_direction_output(MFP_PIN_GPIO19, 1);
+
+ return 0;
+
+fail_gpio_cam_rst:
+ gpio_free(MFP_PIN_GPIO50);
+fail:
+ return err;
+}
+
+static int a780_pxacamera_power(struct device *dev, int on)
+{
+ gpio_set_value(MFP_PIN_GPIO50, on ? 0 : 1);
+
+#if 0
+ /*
+ * This is reported to resolve the "vertical line in view finder"
+ * issue (LIBff11930), in the original source code released by
+ * Motorola, but we never experienced the problem, so we don't use
+ * this for now.
+ *
+ * AP Kernel camera driver: set TC_MM_EN to low when camera is running
+ * and TC_MM_EN to high when camera stops.
+ *
+ * BP Software: if TC_MM_EN is low, BP do not shut off 26M clock, but
+ * BP can sleep itself.
+ */
+ gpio_set_value(MFP_PIN_GPIO99, on ? 0 : 1);
+#endif
+
+ return 0;
+}
+
+static int a780_pxacamera_reset(struct device *dev)
+{
+ gpio_set_value(MFP_PIN_GPIO19, 0);
+ msleep(10);
+ gpio_set_value(MFP_PIN_GPIO19, 1);
+
+ return 0;
+}
+
+struct pxacamera_platform_data a780_pxacamera_platform_data = {
+ .init = a780_pxacamera_init,
+ .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
+ PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
+ .mclk_10khz = 5000,
+};
+
+static struct i2c_board_info a780_camera_i2c_board_info = {
+ I2C_BOARD_INFO("mt9m111", 0x5d),
+};
+
+static struct soc_camera_link a780_iclink = {
+ .bus_id = 0,
+ .flags = SOCAM_SENSOR_INVERT_PCLK,
+ .i2c_adapter_id = 0,
+ .board_info = &a780_camera_i2c_board_info,
+ .module_name = "mt9m111",
+ .power = a780_pxacamera_power,
+ .reset = a780_pxacamera_reset,
+};
+
+static struct platform_device a780_camera = {
+ .name = "soc-camera-pdrv",
+ .id = 0,
+ .dev = {
+ .platform_data = &a780_iclink,
+ },
+};
+
static struct platform_device *a780_devices[] __initdata = {
&a780_gpio_keys,
+ &a780_camera,
};
static void __init a780_init(void)
@@ -699,6 +797,8 @@ static void __init a780_init(void)
pxa_set_keypad_info(&a780_keypad_platform_data);
+ pxa_set_camera_info(&a780_pxacamera_platform_data);
+
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(a780_devices));
}
@@ -864,8 +964,84 @@ static struct platform_device a910_gpio_keys = {
},
};
+/* camera */
+static int a910_pxacamera_init(struct device *dev)
+{
+ int err;
+
+ /*
+ * GPIO50_GPIO is CAM_EN: active low
+ * GPIO28_GPIO is CAM_RST: active high
+ */
+ err = gpio_request(MFP_PIN_GPIO50, "nCAM_EN");
+ if (err) {
+ pr_err("%s: Failed to request nCAM_EN\n", __func__);
+ goto fail;
+ }
+
+ err = gpio_request(MFP_PIN_GPIO28, "CAM_RST");
+ if (err) {
+ pr_err("%s: Failed to request CAM_RST\n", __func__);
+ goto fail_gpio_cam_rst;
+ }
+
+ gpio_direction_output(MFP_PIN_GPIO50, 0);
+ gpio_direction_output(MFP_PIN_GPIO28, 1);
+
+ return 0;
+
+fail_gpio_cam_rst:
+ gpio_free(MFP_PIN_GPIO50);
+fail:
+ return err;
+}
+
+static int a910_pxacamera_power(struct device *dev, int on)
+{
+ gpio_set_value(MFP_PIN_GPIO50, on ? 0 : 1);
+ return 0;
+}
+
+static int a910_pxacamera_reset(struct device *dev)
+{
+ gpio_set_value(MFP_PIN_GPIO28, 0);
+ msleep(10);
+ gpio_set_value(MFP_PIN_GPIO28, 1);
+
+ return 0;
+}
+
+struct pxacamera_platform_data a910_pxacamera_platform_data = {
+ .init = a910_pxacamera_init,
+ .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
+ PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
+ .mclk_10khz = 5000,
+};
+
+static struct i2c_board_info a910_camera_i2c_board_info = {
+ I2C_BOARD_INFO("mt9m111", 0x5d),
+};
+
+static struct soc_camera_link a910_iclink = {
+ .bus_id = 0,
+ .i2c_adapter_id = 0,
+ .board_info = &a910_camera_i2c_board_info,
+ .module_name = "mt9m111",
+ .power = a910_pxacamera_power,
+ .reset = a910_pxacamera_reset,
+};
+
+static struct platform_device a910_camera = {
+ .name = "soc-camera-pdrv",
+ .id = 0,
+ .dev = {
+ .platform_data = &a910_iclink,
+ },
+};
+
static struct platform_device *a910_devices[] __initdata = {
&a910_gpio_keys,
+ &a910_camera,
};
static void __init a910_init(void)
@@ -880,6 +1056,8 @@ static void __init a910_init(void)
pxa_set_keypad_info(&a910_keypad_platform_data);
+ pxa_set_camera_info(&a910_pxacamera_platform_data);
+
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(a910_devices));
}
--
1.6.5.2
--
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