OMAPDSS: Add Sharp LS037V7DW01 panel driver
Add Sharp LS037V7DW01 panel driver which uses the new DSS device model and DSS ops. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
parent
f92f168f8d
commit
922ae890a9
|
@ -49,4 +49,10 @@ config DISPLAY_PANEL_LGPHILIPS_LB035Q02
|
|||
depends on SPI
|
||||
help
|
||||
LCD Panel used on the Gumstix Overo Palo35
|
||||
|
||||
config DISPLAY_PANEL_SHARP_LS037V7DW01
|
||||
tristate "Sharp LS037V7DW01 LCD Panel"
|
||||
depends on BACKLIGHT_CLASS_DEVICE
|
||||
help
|
||||
LCD Panel used in TI's SDP3430 and EVM boards
|
||||
endmenu
|
||||
|
|
|
@ -7,3 +7,4 @@ obj-$(CONFIG_DISPLAY_PANEL_DPI) += panel-dpi.o
|
|||
obj-$(CONFIG_DISPLAY_PANEL_DSI_CM) += panel-dsi-cm.o
|
||||
obj-$(CONFIG_DISPLAY_PANEL_SONY_ACX565AKM) += panel-sony-acx565akm.o
|
||||
obj-$(CONFIG_DISPLAY_PANEL_LGPHILIPS_LB035Q02) += panel-lgphilips-lb035q02.o
|
||||
obj-$(CONFIG_DISPLAY_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
|
||||
|
|
324
drivers/video/omap2/displays-new/panel-sharp-ls037v7dw01.c
Normal file
324
drivers/video/omap2/displays-new/panel-sharp-ls037v7dw01.c
Normal file
|
@ -0,0 +1,324 @@
|
|||
/*
|
||||
* LCD panel driver for Sharp LS037V7DW01
|
||||
*
|
||||
* Copyright (C) 2013 Texas Instruments
|
||||
* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 as published by
|
||||
* the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/delay.h>
|
||||
#include <linux/gpio.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/slab.h>
|
||||
|
||||
#include <video/omapdss.h>
|
||||
#include <video/omap-panel-data.h>
|
||||
|
||||
struct panel_drv_data {
|
||||
struct omap_dss_device dssdev;
|
||||
struct omap_dss_device *in;
|
||||
|
||||
int data_lines;
|
||||
|
||||
struct omap_video_timings videomode;
|
||||
|
||||
int resb_gpio;
|
||||
int ini_gpio;
|
||||
int mo_gpio;
|
||||
int lr_gpio;
|
||||
int ud_gpio;
|
||||
};
|
||||
|
||||
static const struct omap_video_timings sharp_ls_timings = {
|
||||
.x_res = 480,
|
||||
.y_res = 640,
|
||||
|
||||
.pixel_clock = 19200,
|
||||
|
||||
.hsw = 2,
|
||||
.hfp = 1,
|
||||
.hbp = 28,
|
||||
|
||||
.vsw = 1,
|
||||
.vfp = 1,
|
||||
.vbp = 1,
|
||||
|
||||
.vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
|
||||
.hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
|
||||
.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
|
||||
.de_level = OMAPDSS_SIG_ACTIVE_HIGH,
|
||||
.sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
|
||||
};
|
||||
|
||||
#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
|
||||
|
||||
static int sharp_ls_connect(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
if (omapdss_device_is_connected(dssdev))
|
||||
return 0;
|
||||
|
||||
r = in->ops.dpi->connect(in, dssdev);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void sharp_ls_disconnect(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
if (!omapdss_device_is_connected(dssdev))
|
||||
return;
|
||||
|
||||
in->ops.dpi->disconnect(in, dssdev);
|
||||
}
|
||||
|
||||
static int sharp_ls_enable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
if (!omapdss_device_is_connected(dssdev))
|
||||
return -ENODEV;
|
||||
|
||||
if (omapdss_device_is_enabled(dssdev))
|
||||
return 0;
|
||||
|
||||
in->ops.dpi->set_data_lines(in, ddata->data_lines);
|
||||
in->ops.dpi->set_timings(in, &ddata->videomode);
|
||||
|
||||
r = in->ops.dpi->enable(in);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
/* wait couple of vsyncs until enabling the LCD */
|
||||
msleep(50);
|
||||
|
||||
if (gpio_is_valid(ddata->resb_gpio))
|
||||
gpio_set_value_cansleep(ddata->resb_gpio, 1);
|
||||
|
||||
if (gpio_is_valid(ddata->ini_gpio))
|
||||
gpio_set_value_cansleep(ddata->ini_gpio, 1);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void sharp_ls_disable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
if (!omapdss_device_is_enabled(dssdev))
|
||||
return;
|
||||
|
||||
if (gpio_is_valid(ddata->ini_gpio))
|
||||
gpio_set_value_cansleep(ddata->ini_gpio, 0);
|
||||
|
||||
if (gpio_is_valid(ddata->resb_gpio))
|
||||
gpio_set_value_cansleep(ddata->resb_gpio, 0);
|
||||
|
||||
/* wait at least 5 vsyncs after disabling the LCD */
|
||||
|
||||
msleep(100);
|
||||
|
||||
in->ops.dpi->disable(in);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void sharp_ls_set_timings(struct omap_dss_device *dssdev,
|
||||
struct omap_video_timings *timings)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
ddata->videomode = *timings;
|
||||
dssdev->panel.timings = *timings;
|
||||
|
||||
in->ops.dpi->set_timings(in, timings);
|
||||
}
|
||||
|
||||
static void sharp_ls_get_timings(struct omap_dss_device *dssdev,
|
||||
struct omap_video_timings *timings)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
|
||||
*timings = ddata->videomode;
|
||||
}
|
||||
|
||||
static int sharp_ls_check_timings(struct omap_dss_device *dssdev,
|
||||
struct omap_video_timings *timings)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.dpi->check_timings(in, timings);
|
||||
}
|
||||
|
||||
static struct omap_dss_driver sharp_ls_ops = {
|
||||
.connect = sharp_ls_connect,
|
||||
.disconnect = sharp_ls_disconnect,
|
||||
|
||||
.enable = sharp_ls_enable,
|
||||
.disable = sharp_ls_disable,
|
||||
|
||||
.set_timings = sharp_ls_set_timings,
|
||||
.get_timings = sharp_ls_get_timings,
|
||||
.check_timings = sharp_ls_check_timings,
|
||||
|
||||
.get_resolution = omapdss_default_get_resolution,
|
||||
};
|
||||
|
||||
static int sharp_ls_probe_pdata(struct platform_device *pdev)
|
||||
{
|
||||
const struct panel_sharp_ls037v7dw01_platform_data *pdata;
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct omap_dss_device *dssdev, *in;
|
||||
|
||||
pdata = dev_get_platdata(&pdev->dev);
|
||||
|
||||
in = omap_dss_find_output(pdata->source);
|
||||
if (in == NULL) {
|
||||
dev_err(&pdev->dev, "failed to find video source '%s'\n",
|
||||
pdata->source);
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
ddata->data_lines = pdata->data_lines;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->name = pdata->name;
|
||||
|
||||
ddata->resb_gpio = pdata->resb_gpio;
|
||||
ddata->ini_gpio = pdata->ini_gpio;
|
||||
ddata->mo_gpio = pdata->mo_gpio;
|
||||
ddata->lr_gpio = pdata->lr_gpio;
|
||||
ddata->ud_gpio = pdata->ud_gpio;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sharp_ls_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata;
|
||||
struct omap_dss_device *dssdev;
|
||||
int r;
|
||||
|
||||
ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
|
||||
if (ddata == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
platform_set_drvdata(pdev, ddata);
|
||||
|
||||
if (dev_get_platdata(&pdev->dev)) {
|
||||
r = sharp_ls_probe_pdata(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->mo_gpio)) {
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->mo_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "lcd MO");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->lr_gpio)) {
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->lr_gpio,
|
||||
GPIOF_OUT_INIT_HIGH, "lcd LR");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->ud_gpio)) {
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->ud_gpio,
|
||||
GPIOF_OUT_INIT_HIGH, "lcd UD");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->resb_gpio)) {
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->resb_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "lcd RESB");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->ini_gpio)) {
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->ini_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "lcd INI");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
ddata->videomode = sharp_ls_timings;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->dev = &pdev->dev;
|
||||
dssdev->driver = &sharp_ls_ops;
|
||||
dssdev->type = OMAP_DISPLAY_TYPE_DPI;
|
||||
dssdev->owner = THIS_MODULE;
|
||||
dssdev->panel.timings = ddata->videomode;
|
||||
dssdev->phy.dpi.data_lines = ddata->data_lines;
|
||||
|
||||
r = omapdss_register_display(dssdev);
|
||||
if (r) {
|
||||
dev_err(&pdev->dev, "Failed to register panel\n");
|
||||
goto err_reg;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_reg:
|
||||
err_gpio:
|
||||
omap_dss_put_device(ddata->in);
|
||||
return r;
|
||||
}
|
||||
|
||||
static int __exit sharp_ls_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct omap_dss_device *dssdev = &ddata->dssdev;
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
omapdss_unregister_display(dssdev);
|
||||
|
||||
sharp_ls_disable(dssdev);
|
||||
sharp_ls_disconnect(dssdev);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver sharp_ls_driver = {
|
||||
.probe = sharp_ls_probe,
|
||||
.remove = __exit_p(sharp_ls_remove),
|
||||
.driver = {
|
||||
.name = "panel-sharp-ls037v7dw01",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(sharp_ls_driver);
|
||||
|
||||
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
|
||||
MODULE_DESCRIPTION("Sharp LS037V7DW01 Panel Driver");
|
||||
MODULE_LICENSE("GPL");
|
|
@ -298,4 +298,28 @@ struct panel_lb035q02_platform_data {
|
|||
int enable_gpio;
|
||||
};
|
||||
|
||||
/**
|
||||
* panel_sharp_ls037v7dw01 platform data
|
||||
* @name: name for this display entity
|
||||
* @source: name of the display entity used as a video source
|
||||
* @data_lines: number of DPI datalines
|
||||
* @resb_gpio: reset signal GPIO
|
||||
* @ini_gpio: power on control GPIO
|
||||
* @mo_gpio: selection for resolution(VGA/QVGA) GPIO
|
||||
* @lr_gpio: selection for horizontal scanning direction GPIO
|
||||
* @ud_gpio: selection for vertical scanning direction GPIO
|
||||
*/
|
||||
struct panel_sharp_ls037v7dw01_platform_data {
|
||||
const char *name;
|
||||
const char *source;
|
||||
|
||||
int data_lines;
|
||||
|
||||
int resb_gpio;
|
||||
int ini_gpio;
|
||||
int mo_gpio;
|
||||
int lr_gpio;
|
||||
int ud_gpio;
|
||||
};
|
||||
|
||||
#endif /* __OMAP_PANEL_DATA_H */
|
||||
|
|
Loading…
Reference in a new issue