[media] v4l: s5p-tv: hdmi: add support for platform data

Moving configuration of s5p-hdmi peripherals from driver data to
platfrom data.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/s5p-tv/hdmi_drv.c b/drivers/media/video/s5p-tv/hdmi_drv.c
index ace1d7f3519a33fb5a2a46f8a00fcced1996eb2d..821136ccd1724614a447beaa67dcc1febdd55ea6 100644 (file)
--- a/drivers/media/video/s5p-tv/hdmi_drv.c
+++ b/drivers/media/video/s5p-tv/hdmi_drv.c
@@ -30,6 +30,7 @@
 #include <linux/clk.h>
 #include <linux/regulator/consumer.h>
 
+#include <media/s5p_hdmi.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-dev.h>
 #include <media/v4l2-device.h>
@@ -74,10 +75,6 @@ struct hdmi_device {
        struct hdmi_resources res;
 };
 
-struct hdmi_driver_data {
-       int hdmiphy_bus;
-};
-
 struct hdmi_tg_regs {
        u8 cmd;
        u8 h_fsz_l;
@@ -129,23 +126,11 @@ struct hdmi_preset_conf {
        struct v4l2_mbus_framefmt mbus_fmt;
 };
 
-/* I2C module and id for HDMIPHY */
-static struct i2c_board_info hdmiphy_info = {
-       I2C_BOARD_INFO("hdmiphy", 0x38),
-};
-
-static struct hdmi_driver_data hdmi_driver_data[] = {
-       { .hdmiphy_bus = 3 },
-       { .hdmiphy_bus = 8 },
-};
-
 static struct platform_device_id hdmi_driver_types[] = {
        {
                .name           = "s5pv210-hdmi",
-               .driver_data    = (unsigned long)&hdmi_driver_data[0],
        }, {
                .name           = "exynos4-hdmi",
-               .driver_data    = (unsigned long)&hdmi_driver_data[1],
        }, {
                /* end node */
        }
@@ -870,11 +855,17 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
        struct i2c_adapter *phy_adapter;
        struct v4l2_subdev *sd;
        struct hdmi_device *hdmi_dev = NULL;
-       struct hdmi_driver_data *drv_data;
+       struct s5p_hdmi_platform_data *pdata = dev->platform_data;
        int ret;
 
        dev_dbg(dev, "probe start\n");
 
+       if (!pdata) {
+               dev_err(dev, "platform data is missing\n");
+               ret = -ENODEV;
+               goto fail;
+       }
+
        hdmi_dev = devm_kzalloc(&pdev->dev, sizeof(*hdmi_dev), GFP_KERNEL);
        if (!hdmi_dev) {
                dev_err(dev, "out of memory\n");
@@ -929,9 +920,14 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
                goto fail_init;
        }
 
-       drv_data = (struct hdmi_driver_data *)
-               platform_get_device_id(pdev)->driver_data;
-       phy_adapter = i2c_get_adapter(drv_data->hdmiphy_bus);
+       /* testing if hdmiphy info is present */
+       if (!pdata->hdmiphy_info) {
+               dev_err(dev, "hdmiphy info is missing in platform data\n");
+               ret = -ENXIO;
+               goto fail_vdev;
+       }
+
+       phy_adapter = i2c_get_adapter(pdata->hdmiphy_bus);
        if (phy_adapter == NULL) {
                dev_err(dev, "adapter request failed\n");
                ret = -ENXIO;
@@ -939,7 +935,7 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
        }
 
        hdmi_dev->phy_sd = v4l2_i2c_new_subdev_board(&hdmi_dev->v4l2_dev,
-               phy_adapter, &hdmiphy_info, NULL);
+               phy_adapter, pdata->hdmiphy_info, NULL);
        /* on failure or not adapter is no longer useful */
        i2c_put_adapter(phy_adapter);
        if (hdmi_dev->phy_sd == NULL) {

diff --git a/include/media/s5p_hdmi.h b/include/media/s5p_hdmi.h
new file mode 100644 (file)
index 0000000..361a751
--- /dev/null
+++ b/include/media/s5p_hdmi.h
@@ -0,0 +1,35 @@
+/*
+ * Driver header for S5P HDMI chip.
+ *
+ * Copyright (c) 2011 Samsung Electronics, Co. Ltd
+ * Contact: Tomasz Stanislawski <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef S5P_HDMI_H
+#define S5P_HDMI_H
+
+struct i2c_board_info;
+
+/**
+ * @hdmiphy_bus: controller id for HDMIPHY bus
+ * @hdmiphy_info: template for HDMIPHY I2C device
+ * @mhl_bus: controller id for MHL control bus
+ * @mhl_info: template for MHL I2C device
+ *
+ * NULL pointer for *_info fields indicates that
+ * the corresponding chip is not present
+ */
+struct s5p_hdmi_platform_data {
+       int hdmiphy_bus;
+       struct i2c_board_info *hdmiphy_info;
+       int mhl_bus;
+       struct i2c_board_info *mhl_info;
+};
+
+#endif /* S5P_HDMI_H */
+