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

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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>
This commit is contained in:
Tomasz Stanislawski 2011-09-21 11:53:31 -03:00 committed by Mauro Carvalho Chehab
parent 56e1df491b
commit 350f2f4dad
2 changed files with 52 additions and 21 deletions
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38
drivers/media/video/s5p-tv/hdmi_drv.c
View File

@ -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) {

35
include/media/s5p_hdmi.h Normal file
View File

@ -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 */