/*
- * DVI output support
+ * TFP410 DPI-to-DVI chip
*
* Copyright (C) 2011 Texas Instruments Inc
* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
#include <video/omap-panel-dvi.h>
-static const struct omap_video_timings panel_dvi_default_timings = {
+static const struct omap_video_timings tfp410_default_timings = {
.x_res = 640,
.y_res = 480,
int pd_gpio;
};
-static inline struct panel_dvi_platform_data
+static inline struct tfp410_platform_data
*get_pdata(const struct omap_dss_device *dssdev)
{
return dssdev->data;
}
-static int panel_dvi_power_on(struct omap_dss_device *dssdev)
+static int tfp410_power_on(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
int r;
return r;
}
-static void panel_dvi_power_off(struct omap_dss_device *dssdev)
+static void tfp410_power_off(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
omapdss_dpi_display_disable(dssdev);
}
-static int panel_dvi_probe(struct omap_dss_device *dssdev)
+static int tfp410_probe(struct omap_dss_device *dssdev)
{
- struct panel_dvi_platform_data *pdata = get_pdata(dssdev);
+ struct tfp410_platform_data *pdata = get_pdata(dssdev);
struct panel_drv_data *ddata;
int r;
if (!ddata)
return -ENOMEM;
- dssdev->panel.timings = panel_dvi_default_timings;
+ dssdev->panel.timings = tfp410_default_timings;
dssdev->panel.config = OMAP_DSS_LCD_TFT;
ddata->dssdev = dssdev;
return 0;
}
-static void __exit panel_dvi_remove(struct omap_dss_device *dssdev)
+static void __exit tfp410_remove(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
kfree(ddata);
}
-static int panel_dvi_enable(struct omap_dss_device *dssdev)
+static int tfp410_enable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
int r;
mutex_lock(&ddata->lock);
- r = panel_dvi_power_on(dssdev);
+ r = tfp410_power_on(dssdev);
if (r == 0)
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return r;
}
-static void panel_dvi_disable(struct omap_dss_device *dssdev)
+static void tfp410_disable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
mutex_lock(&ddata->lock);
- panel_dvi_power_off(dssdev);
+ tfp410_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
mutex_unlock(&ddata->lock);
}
-static int panel_dvi_suspend(struct omap_dss_device *dssdev)
+static int tfp410_suspend(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
mutex_lock(&ddata->lock);
- panel_dvi_power_off(dssdev);
+ tfp410_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
return 0;
}
-static int panel_dvi_resume(struct omap_dss_device *dssdev)
+static int tfp410_resume(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
int r;
mutex_lock(&ddata->lock);
- r = panel_dvi_power_on(dssdev);
+ r = tfp410_power_on(dssdev);
if (r == 0)
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return r;
}
-static void panel_dvi_set_timings(struct omap_dss_device *dssdev,
+static void tfp410_set_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
mutex_unlock(&ddata->lock);
}
-static void panel_dvi_get_timings(struct omap_dss_device *dssdev,
+static void tfp410_get_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
mutex_unlock(&ddata->lock);
}
-static int panel_dvi_check_timings(struct omap_dss_device *dssdev,
+static int tfp410_check_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
}
-static int panel_dvi_ddc_read(struct i2c_adapter *adapter,
+static int tfp410_ddc_read(struct i2c_adapter *adapter,
unsigned char *buf, u16 count, u8 offset)
{
int r, retries;
return r < 0 ? r : -EIO;
}
-static int panel_dvi_read_edid(struct omap_dss_device *dssdev,
+static int tfp410_read_edid(struct omap_dss_device *dssdev,
u8 *edid, int len)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
- struct panel_dvi_platform_data *pdata = get_pdata(dssdev);
+ struct tfp410_platform_data *pdata = get_pdata(dssdev);
struct i2c_adapter *adapter;
int r, l, bytes_read;
}
l = min(EDID_LENGTH, len);
- r = panel_dvi_ddc_read(adapter, edid, l, 0);
+ r = tfp410_ddc_read(adapter, edid, l, 0);
if (r)
goto err;
if (len > EDID_LENGTH && edid[0x7e] > 0) {
l = min(EDID_LENGTH, len - EDID_LENGTH);
- r = panel_dvi_ddc_read(adapter, edid + EDID_LENGTH,
+ r = tfp410_ddc_read(adapter, edid + EDID_LENGTH,
l, EDID_LENGTH);
if (r)
goto err;
return r;
}
-static bool panel_dvi_detect(struct omap_dss_device *dssdev)
+static bool tfp410_detect(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
- struct panel_dvi_platform_data *pdata = get_pdata(dssdev);
+ struct tfp410_platform_data *pdata = get_pdata(dssdev);
struct i2c_adapter *adapter;
unsigned char out;
int r;
if (!adapter)
goto out;
- r = panel_dvi_ddc_read(adapter, &out, 1, 0);
+ r = tfp410_ddc_read(adapter, &out, 1, 0);
mutex_unlock(&ddata->lock);
return true;
}
-static struct omap_dss_driver panel_dvi_driver = {
- .probe = panel_dvi_probe,
- .remove = __exit_p(panel_dvi_remove),
+static struct omap_dss_driver tfp410_driver = {
+ .probe = tfp410_probe,
+ .remove = __exit_p(tfp410_remove),
- .enable = panel_dvi_enable,
- .disable = panel_dvi_disable,
- .suspend = panel_dvi_suspend,
- .resume = panel_dvi_resume,
+ .enable = tfp410_enable,
+ .disable = tfp410_disable,
+ .suspend = tfp410_suspend,
+ .resume = tfp410_resume,
- .set_timings = panel_dvi_set_timings,
- .get_timings = panel_dvi_get_timings,
- .check_timings = panel_dvi_check_timings,
+ .set_timings = tfp410_set_timings,
+ .get_timings = tfp410_get_timings,
+ .check_timings = tfp410_check_timings,
- .read_edid = panel_dvi_read_edid,
- .detect = panel_dvi_detect,
+ .read_edid = tfp410_read_edid,
+ .detect = tfp410_detect,
.driver = {
- .name = "dvi",
+ .name = "tfp410",
.owner = THIS_MODULE,
},
};
-static int __init panel_dvi_init(void)
+static int __init tfp410_init(void)
{
- return omap_dss_register_driver(&panel_dvi_driver);
+ return omap_dss_register_driver(&tfp410_driver);
}
-static void __exit panel_dvi_exit(void)
+static void __exit tfp410_exit(void)
{
- omap_dss_unregister_driver(&panel_dvi_driver);
+ omap_dss_unregister_driver(&tfp410_driver);
}
-module_init(panel_dvi_init);
-module_exit(panel_dvi_exit);
+module_init(tfp410_init);
+module_exit(tfp410_exit);
MODULE_LICENSE("GPL");