sh: ap325rxa: Add ov772x support, again.

Now that the V4L bits have finally settled..

This patch adds support for a secondary ov772x camera on ap325rxa.
This is supported in addition to the regular soc_camera_platform camera.

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index e27655b8a98ded83d3549e816e9255e2e2aaf059..ca285f34dc3f7c4a04853ae63c36f67e6689d311 100644 (file)
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -22,6 +22,7 @@
 #include <linux/gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_gpio.h>
+#include <media/ov772x.h>
 #include <media/soc_camera.h>
 #include <media/soc_camera_platform.h>
 #include <media/sh_mobile_ceu.h>
@@ -235,6 +236,7 @@ static void camera_power(int val)
 }
 
 #ifdef CONFIG_I2C
+/* support for the old ncm03j camera */
 static unsigned char camera_ncm03j_magic[] =
 {
        0x87, 0x00, 0x88, 0x08, 0x89, 0x01, 0x8A, 0xE8,
@@ -255,6 +257,23 @@ static unsigned char camera_ncm03j_magic[] =
        0x63, 0xD4, 0x64, 0xEA, 0xD6, 0x0F,
 };
 
+static int camera_probe(void)
+{
+       struct i2c_adapter *a = i2c_get_adapter(0);
+       struct i2c_msg msg;
+       int ret;
+
+       camera_power(1);
+       msg.addr = 0x6e;
+       msg.buf = camera_ncm03j_magic;
+       msg.len = 2;
+       msg.flags = 0;
+       ret = i2c_transfer(a, &msg, 1);
+       camera_power(0);
+
+       return ret;
+}
+
 static int camera_set_capture(struct soc_camera_platform_info *info,
                              int enable)
 {
@@ -306,8 +325,35 @@ static struct platform_device camera_device = {
                .platform_data  = &camera_info,
        },
 };
+
+static int __init camera_setup(void)
+{
+       if (camera_probe() > 0)
+               platform_device_register(&camera_device);
+
+       return 0;
+}
+late_initcall(camera_setup);
+
 #endif /* CONFIG_I2C */
 
+static int ov7725_power(struct device *dev, int mode)
+{
+       camera_power(0);
+       if (mode)
+               camera_power(1);
+
+       return 0;
+}
+
+static struct ov772x_camera_info ov7725_info = {
+       .buswidth  = SOCAM_DATAWIDTH_8,
+       .flags = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP,
+       .link = {
+               .power  = ov7725_power,
+       },
+};
+
 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
        .flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_HSYNC_ACTIVE_HIGH |
        SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_DATA_ACTIVE_HIGH | SOCAM_MASTER |
@@ -359,9 +405,6 @@ static struct platform_device *ap325rxa_devices[] __initdata = {
        &ap325rxa_nor_flash_device,
        &lcdc_device,
        &ceu_device,
-#ifdef CONFIG_I2C
-       &camera_device,
-#endif
        &nand_flash_device,
        &sdcard_cn3_device,
 };
@@ -370,6 +413,10 @@ static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
        {
                I2C_BOARD_INFO("pcf8563", 0x51),
        },
+       {
+               I2C_BOARD_INFO("ov772x", 0x21),
+               .platform_data = &ov7725_info,
+       },
 };
 
 static struct spi_board_info ap325rxa_spi_devices[] = {