mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-10-30 15:48:52 +01:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
80
drivers/video/fbdev/omap2/displays-new/Kconfig
Normal file
80
drivers/video/fbdev/omap2/displays-new/Kconfig
Normal file
|
|
@ -0,0 +1,80 @@
|
|||
menu "OMAP Display Device Drivers (new device model)"
|
||||
depends on OMAP2_DSS
|
||||
|
||||
config DISPLAY_ENCODER_TFP410
|
||||
tristate "TFP410 DPI to DVI Encoder"
|
||||
help
|
||||
Driver for TFP410 DPI to DVI encoder.
|
||||
|
||||
config DISPLAY_ENCODER_TPD12S015
|
||||
tristate "TPD12S015 HDMI ESD protection and level shifter"
|
||||
help
|
||||
Driver for TPD12S015, which offers HDMI ESD protection and level
|
||||
shifting.
|
||||
|
||||
config DISPLAY_CONNECTOR_DVI
|
||||
tristate "DVI Connector"
|
||||
depends on I2C
|
||||
help
|
||||
Driver for a generic DVI connector.
|
||||
|
||||
config DISPLAY_CONNECTOR_HDMI
|
||||
tristate "HDMI Connector"
|
||||
help
|
||||
Driver for a generic HDMI connector.
|
||||
|
||||
config DISPLAY_CONNECTOR_ANALOG_TV
|
||||
tristate "Analog TV Connector"
|
||||
help
|
||||
Driver for a generic analog TV connector.
|
||||
|
||||
config DISPLAY_PANEL_DPI
|
||||
tristate "Generic DPI panel"
|
||||
help
|
||||
Driver for generic DPI panels.
|
||||
|
||||
config DISPLAY_PANEL_DSI_CM
|
||||
tristate "Generic DSI Command Mode Panel"
|
||||
depends on BACKLIGHT_CLASS_DEVICE
|
||||
help
|
||||
Driver for generic DSI command mode panels.
|
||||
|
||||
config DISPLAY_PANEL_SONY_ACX565AKM
|
||||
tristate "ACX565AKM Panel"
|
||||
depends on SPI && BACKLIGHT_CLASS_DEVICE
|
||||
help
|
||||
This is the LCD panel used on Nokia N900
|
||||
|
||||
config DISPLAY_PANEL_LGPHILIPS_LB035Q02
|
||||
tristate "LG.Philips LB035Q02 LCD Panel"
|
||||
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
|
||||
|
||||
config DISPLAY_PANEL_TPO_TD028TTEC1
|
||||
tristate "TPO TD028TTEC1 LCD Panel"
|
||||
depends on SPI
|
||||
help
|
||||
LCD panel used in Openmoko.
|
||||
|
||||
config DISPLAY_PANEL_TPO_TD043MTEA1
|
||||
tristate "TPO TD043MTEA1 LCD Panel"
|
||||
depends on SPI
|
||||
help
|
||||
LCD Panel used in OMAP3 Pandora
|
||||
|
||||
config DISPLAY_PANEL_NEC_NL8048HL11
|
||||
tristate "NEC NL8048HL11 Panel"
|
||||
depends on SPI
|
||||
depends on BACKLIGHT_CLASS_DEVICE
|
||||
help
|
||||
This NEC NL8048HL11 panel is TFT LCD used in the
|
||||
Zoom2/3/3630 sdp boards.
|
||||
|
||||
endmenu
|
||||
13
drivers/video/fbdev/omap2/displays-new/Makefile
Normal file
13
drivers/video/fbdev/omap2/displays-new/Makefile
Normal file
|
|
@ -0,0 +1,13 @@
|
|||
obj-$(CONFIG_DISPLAY_ENCODER_TFP410) += encoder-tfp410.o
|
||||
obj-$(CONFIG_DISPLAY_ENCODER_TPD12S015) += encoder-tpd12s015.o
|
||||
obj-$(CONFIG_DISPLAY_CONNECTOR_DVI) += connector-dvi.o
|
||||
obj-$(CONFIG_DISPLAY_CONNECTOR_HDMI) += connector-hdmi.o
|
||||
obj-$(CONFIG_DISPLAY_CONNECTOR_ANALOG_TV) += connector-analog-tv.o
|
||||
obj-$(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
|
||||
obj-$(CONFIG_DISPLAY_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
|
||||
obj-$(CONFIG_DISPLAY_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
|
||||
obj-$(CONFIG_DISPLAY_PANEL_NEC_NL8048HL11) += panel-nec-nl8048hl11.o
|
||||
321
drivers/video/fbdev/omap2/displays-new/connector-analog-tv.c
Normal file
321
drivers/video/fbdev/omap2/displays-new/connector-analog-tv.c
Normal file
|
|
@ -0,0 +1,321 @@
|
|||
/*
|
||||
* Analog TV Connector driver
|
||||
*
|
||||
* 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/slab.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/of.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;
|
||||
|
||||
struct device *dev;
|
||||
|
||||
struct omap_video_timings timings;
|
||||
|
||||
enum omap_dss_venc_type connector_type;
|
||||
bool invert_polarity;
|
||||
};
|
||||
|
||||
static const struct omap_video_timings tvc_pal_timings = {
|
||||
.x_res = 720,
|
||||
.y_res = 574,
|
||||
.pixelclock = 13500000,
|
||||
.hsw = 64,
|
||||
.hfp = 12,
|
||||
.hbp = 68,
|
||||
.vsw = 5,
|
||||
.vfp = 5,
|
||||
.vbp = 41,
|
||||
|
||||
.interlace = true,
|
||||
};
|
||||
|
||||
static const struct of_device_id tvc_of_match[];
|
||||
|
||||
struct tvc_of_data {
|
||||
enum omap_dss_venc_type connector_type;
|
||||
};
|
||||
|
||||
#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
|
||||
|
||||
static int tvc_connect(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
dev_dbg(ddata->dev, "connect\n");
|
||||
|
||||
if (omapdss_device_is_connected(dssdev))
|
||||
return 0;
|
||||
|
||||
r = in->ops.atv->connect(in, dssdev);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void tvc_disconnect(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
dev_dbg(ddata->dev, "disconnect\n");
|
||||
|
||||
if (!omapdss_device_is_connected(dssdev))
|
||||
return;
|
||||
|
||||
in->ops.atv->disconnect(in, dssdev);
|
||||
}
|
||||
|
||||
static int tvc_enable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
dev_dbg(ddata->dev, "enable\n");
|
||||
|
||||
if (!omapdss_device_is_connected(dssdev))
|
||||
return -ENODEV;
|
||||
|
||||
if (omapdss_device_is_enabled(dssdev))
|
||||
return 0;
|
||||
|
||||
in->ops.atv->set_timings(in, &ddata->timings);
|
||||
|
||||
if (!ddata->dev->of_node) {
|
||||
in->ops.atv->set_type(in, ddata->connector_type);
|
||||
|
||||
in->ops.atv->invert_vid_out_polarity(in,
|
||||
ddata->invert_polarity);
|
||||
}
|
||||
|
||||
r = in->ops.atv->enable(in);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static void tvc_disable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
dev_dbg(ddata->dev, "disable\n");
|
||||
|
||||
if (!omapdss_device_is_enabled(dssdev))
|
||||
return;
|
||||
|
||||
in->ops.atv->disable(in);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void tvc_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->timings = *timings;
|
||||
dssdev->panel.timings = *timings;
|
||||
|
||||
in->ops.atv->set_timings(in, timings);
|
||||
}
|
||||
|
||||
static void tvc_get_timings(struct omap_dss_device *dssdev,
|
||||
struct omap_video_timings *timings)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
|
||||
*timings = ddata->timings;
|
||||
}
|
||||
|
||||
static int tvc_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.atv->check_timings(in, timings);
|
||||
}
|
||||
|
||||
static u32 tvc_get_wss(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.atv->get_wss(in);
|
||||
}
|
||||
|
||||
static int tvc_set_wss(struct omap_dss_device *dssdev, u32 wss)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.atv->set_wss(in, wss);
|
||||
}
|
||||
|
||||
static struct omap_dss_driver tvc_driver = {
|
||||
.connect = tvc_connect,
|
||||
.disconnect = tvc_disconnect,
|
||||
|
||||
.enable = tvc_enable,
|
||||
.disable = tvc_disable,
|
||||
|
||||
.set_timings = tvc_set_timings,
|
||||
.get_timings = tvc_get_timings,
|
||||
.check_timings = tvc_check_timings,
|
||||
|
||||
.get_resolution = omapdss_default_get_resolution,
|
||||
|
||||
.get_wss = tvc_get_wss,
|
||||
.set_wss = tvc_set_wss,
|
||||
};
|
||||
|
||||
static int tvc_probe_pdata(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct connector_atv_platform_data *pdata;
|
||||
struct omap_dss_device *in, *dssdev;
|
||||
|
||||
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\n");
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
ddata->connector_type = pdata->connector_type;
|
||||
ddata->invert_polarity = ddata->invert_polarity;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->name = pdata->name;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tvc_probe_of(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct device_node *node = pdev->dev.of_node;
|
||||
struct omap_dss_device *in;
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&pdev->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tvc_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)
|
||||
return -ENOMEM;
|
||||
|
||||
platform_set_drvdata(pdev, ddata);
|
||||
ddata->dev = &pdev->dev;
|
||||
|
||||
if (dev_get_platdata(&pdev->dev)) {
|
||||
r = tvc_probe_pdata(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (pdev->dev.of_node) {
|
||||
r = tvc_probe_of(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ddata->timings = tvc_pal_timings;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->driver = &tvc_driver;
|
||||
dssdev->dev = &pdev->dev;
|
||||
dssdev->type = OMAP_DISPLAY_TYPE_VENC;
|
||||
dssdev->owner = THIS_MODULE;
|
||||
dssdev->panel.timings = tvc_pal_timings;
|
||||
|
||||
r = omapdss_register_display(dssdev);
|
||||
if (r) {
|
||||
dev_err(&pdev->dev, "Failed to register panel\n");
|
||||
goto err_reg;
|
||||
}
|
||||
|
||||
return 0;
|
||||
err_reg:
|
||||
omap_dss_put_device(ddata->in);
|
||||
return r;
|
||||
}
|
||||
|
||||
static int __exit tvc_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(&ddata->dssdev);
|
||||
|
||||
tvc_disable(dssdev);
|
||||
tvc_disconnect(dssdev);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id tvc_of_match[] = {
|
||||
{ .compatible = "omapdss,svideo-connector", },
|
||||
{ .compatible = "omapdss,composite-video-connector", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, tvc_of_match);
|
||||
|
||||
static struct platform_driver tvc_connector_driver = {
|
||||
.probe = tvc_probe,
|
||||
.remove = __exit_p(tvc_remove),
|
||||
.driver = {
|
||||
.name = "connector-analog-tv",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = tvc_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(tvc_connector_driver);
|
||||
|
||||
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
|
||||
MODULE_DESCRIPTION("Analog TV Connector driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
402
drivers/video/fbdev/omap2/displays-new/connector-dvi.c
Normal file
402
drivers/video/fbdev/omap2/displays-new/connector-dvi.c
Normal file
|
|
@ -0,0 +1,402 @@
|
|||
/*
|
||||
* Generic DVI Connector driver
|
||||
*
|
||||
* 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/i2c.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/slab.h>
|
||||
|
||||
#include <drm/drm_edid.h>
|
||||
|
||||
#include <video/omapdss.h>
|
||||
#include <video/omap-panel-data.h>
|
||||
|
||||
static const struct omap_video_timings dvic_default_timings = {
|
||||
.x_res = 640,
|
||||
.y_res = 480,
|
||||
|
||||
.pixelclock = 23500000,
|
||||
|
||||
.hfp = 48,
|
||||
.hsw = 32,
|
||||
.hbp = 80,
|
||||
|
||||
.vfp = 3,
|
||||
.vsw = 4,
|
||||
.vbp = 7,
|
||||
|
||||
.vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
|
||||
.hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
|
||||
.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
|
||||
.de_level = OMAPDSS_SIG_ACTIVE_HIGH,
|
||||
.sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
|
||||
};
|
||||
|
||||
struct panel_drv_data {
|
||||
struct omap_dss_device dssdev;
|
||||
struct omap_dss_device *in;
|
||||
|
||||
struct omap_video_timings timings;
|
||||
|
||||
struct i2c_adapter *i2c_adapter;
|
||||
};
|
||||
|
||||
#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
|
||||
|
||||
static int dvic_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.dvi->connect(in, dssdev);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void dvic_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.dvi->disconnect(in, dssdev);
|
||||
}
|
||||
|
||||
static int dvic_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.dvi->set_timings(in, &ddata->timings);
|
||||
|
||||
r = in->ops.dvi->enable(in);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void dvic_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;
|
||||
|
||||
in->ops.dvi->disable(in);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void dvic_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->timings = *timings;
|
||||
dssdev->panel.timings = *timings;
|
||||
|
||||
in->ops.dvi->set_timings(in, timings);
|
||||
}
|
||||
|
||||
static void dvic_get_timings(struct omap_dss_device *dssdev,
|
||||
struct omap_video_timings *timings)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
|
||||
*timings = ddata->timings;
|
||||
}
|
||||
|
||||
static int dvic_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.dvi->check_timings(in, timings);
|
||||
}
|
||||
|
||||
static int dvic_ddc_read(struct i2c_adapter *adapter,
|
||||
unsigned char *buf, u16 count, u8 offset)
|
||||
{
|
||||
int r, retries;
|
||||
|
||||
for (retries = 3; retries > 0; retries--) {
|
||||
struct i2c_msg msgs[] = {
|
||||
{
|
||||
.addr = DDC_ADDR,
|
||||
.flags = 0,
|
||||
.len = 1,
|
||||
.buf = &offset,
|
||||
}, {
|
||||
.addr = DDC_ADDR,
|
||||
.flags = I2C_M_RD,
|
||||
.len = count,
|
||||
.buf = buf,
|
||||
}
|
||||
};
|
||||
|
||||
r = i2c_transfer(adapter, msgs, 2);
|
||||
if (r == 2)
|
||||
return 0;
|
||||
|
||||
if (r != -EAGAIN)
|
||||
break;
|
||||
}
|
||||
|
||||
return r < 0 ? r : -EIO;
|
||||
}
|
||||
|
||||
static int dvic_read_edid(struct omap_dss_device *dssdev,
|
||||
u8 *edid, int len)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
int r, l, bytes_read;
|
||||
|
||||
if (!ddata->i2c_adapter)
|
||||
return -ENODEV;
|
||||
|
||||
l = min(EDID_LENGTH, len);
|
||||
r = dvic_ddc_read(ddata->i2c_adapter, edid, l, 0);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
bytes_read = l;
|
||||
|
||||
/* if there are extensions, read second block */
|
||||
if (len > EDID_LENGTH && edid[0x7e] > 0) {
|
||||
l = min(EDID_LENGTH, len - EDID_LENGTH);
|
||||
|
||||
r = dvic_ddc_read(ddata->i2c_adapter, edid + EDID_LENGTH,
|
||||
l, EDID_LENGTH);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
bytes_read += l;
|
||||
}
|
||||
|
||||
return bytes_read;
|
||||
}
|
||||
|
||||
static bool dvic_detect(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
unsigned char out;
|
||||
int r;
|
||||
|
||||
if (!ddata->i2c_adapter)
|
||||
return true;
|
||||
|
||||
r = dvic_ddc_read(ddata->i2c_adapter, &out, 1, 0);
|
||||
|
||||
return r == 0;
|
||||
}
|
||||
|
||||
static struct omap_dss_driver dvic_driver = {
|
||||
.connect = dvic_connect,
|
||||
.disconnect = dvic_disconnect,
|
||||
|
||||
.enable = dvic_enable,
|
||||
.disable = dvic_disable,
|
||||
|
||||
.set_timings = dvic_set_timings,
|
||||
.get_timings = dvic_get_timings,
|
||||
.check_timings = dvic_check_timings,
|
||||
|
||||
.get_resolution = omapdss_default_get_resolution,
|
||||
|
||||
.read_edid = dvic_read_edid,
|
||||
.detect = dvic_detect,
|
||||
};
|
||||
|
||||
static int dvic_probe_pdata(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct connector_dvi_platform_data *pdata;
|
||||
struct omap_dss_device *in, *dssdev;
|
||||
int i2c_bus_num;
|
||||
|
||||
pdata = dev_get_platdata(&pdev->dev);
|
||||
i2c_bus_num = pdata->i2c_bus_num;
|
||||
|
||||
if (i2c_bus_num != -1) {
|
||||
struct i2c_adapter *adapter;
|
||||
|
||||
adapter = i2c_get_adapter(i2c_bus_num);
|
||||
if (!adapter) {
|
||||
dev_err(&pdev->dev,
|
||||
"Failed to get I2C adapter, bus %d\n",
|
||||
i2c_bus_num);
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
|
||||
ddata->i2c_adapter = adapter;
|
||||
}
|
||||
|
||||
in = omap_dss_find_output(pdata->source);
|
||||
if (in == NULL) {
|
||||
if (ddata->i2c_adapter)
|
||||
i2c_put_adapter(ddata->i2c_adapter);
|
||||
|
||||
dev_err(&pdev->dev, "Failed to find video source\n");
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->name = pdata->name;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int dvic_probe_of(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct device_node *node = pdev->dev.of_node;
|
||||
struct omap_dss_device *in;
|
||||
struct device_node *adapter_node;
|
||||
struct i2c_adapter *adapter;
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&pdev->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0);
|
||||
if (adapter_node) {
|
||||
adapter = of_find_i2c_adapter_by_node(adapter_node);
|
||||
if (adapter == NULL) {
|
||||
dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n");
|
||||
omap_dss_put_device(ddata->in);
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
|
||||
ddata->i2c_adapter = adapter;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int dvic_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)
|
||||
return -ENOMEM;
|
||||
|
||||
platform_set_drvdata(pdev, ddata);
|
||||
|
||||
if (dev_get_platdata(&pdev->dev)) {
|
||||
r = dvic_probe_pdata(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (pdev->dev.of_node) {
|
||||
r = dvic_probe_of(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ddata->timings = dvic_default_timings;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->driver = &dvic_driver;
|
||||
dssdev->dev = &pdev->dev;
|
||||
dssdev->type = OMAP_DISPLAY_TYPE_DVI;
|
||||
dssdev->owner = THIS_MODULE;
|
||||
dssdev->panel.timings = dvic_default_timings;
|
||||
|
||||
r = omapdss_register_display(dssdev);
|
||||
if (r) {
|
||||
dev_err(&pdev->dev, "Failed to register panel\n");
|
||||
goto err_reg;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_reg:
|
||||
omap_dss_put_device(ddata->in);
|
||||
|
||||
if (ddata->i2c_adapter)
|
||||
i2c_put_adapter(ddata->i2c_adapter);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static int __exit dvic_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(&ddata->dssdev);
|
||||
|
||||
dvic_disable(dssdev);
|
||||
dvic_disconnect(dssdev);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
if (ddata->i2c_adapter)
|
||||
i2c_put_adapter(ddata->i2c_adapter);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id dvic_of_match[] = {
|
||||
{ .compatible = "omapdss,dvi-connector", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, dvic_of_match);
|
||||
|
||||
static struct platform_driver dvi_connector_driver = {
|
||||
.probe = dvic_probe,
|
||||
.remove = __exit_p(dvic_remove),
|
||||
.driver = {
|
||||
.name = "connector-dvi",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = dvic_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(dvi_connector_driver);
|
||||
|
||||
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
|
||||
MODULE_DESCRIPTION("Generic DVI Connector driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
448
drivers/video/fbdev/omap2/displays-new/connector-hdmi.c
Normal file
448
drivers/video/fbdev/omap2/displays-new/connector-hdmi.c
Normal file
|
|
@ -0,0 +1,448 @@
|
|||
/*
|
||||
* HDMI Connector driver
|
||||
*
|
||||
* 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/slab.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/of_gpio.h>
|
||||
|
||||
#include <drm/drm_edid.h>
|
||||
|
||||
#include <video/omapdss.h>
|
||||
#include <video/omap-panel-data.h>
|
||||
|
||||
static const struct omap_video_timings hdmic_default_timings = {
|
||||
.x_res = 640,
|
||||
.y_res = 480,
|
||||
.pixelclock = 25175000,
|
||||
.hsw = 96,
|
||||
.hfp = 16,
|
||||
.hbp = 48,
|
||||
.vsw = 2,
|
||||
.vfp = 11,
|
||||
.vbp = 31,
|
||||
|
||||
.vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
|
||||
.hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
|
||||
|
||||
.interlace = false,
|
||||
};
|
||||
|
||||
struct panel_drv_data {
|
||||
struct omap_dss_device dssdev;
|
||||
struct omap_dss_device *in;
|
||||
|
||||
struct device *dev;
|
||||
|
||||
struct omap_video_timings timings;
|
||||
|
||||
int hpd_gpio;
|
||||
};
|
||||
|
||||
#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
|
||||
|
||||
static int hdmic_connect(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
dev_dbg(ddata->dev, "connect\n");
|
||||
|
||||
if (omapdss_device_is_connected(dssdev))
|
||||
return 0;
|
||||
|
||||
r = in->ops.hdmi->connect(in, dssdev);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void hdmic_disconnect(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
dev_dbg(ddata->dev, "disconnect\n");
|
||||
|
||||
if (!omapdss_device_is_connected(dssdev))
|
||||
return;
|
||||
|
||||
in->ops.hdmi->disconnect(in, dssdev);
|
||||
}
|
||||
|
||||
static int hdmic_enable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
dev_dbg(ddata->dev, "enable\n");
|
||||
|
||||
if (!omapdss_device_is_connected(dssdev))
|
||||
return -ENODEV;
|
||||
|
||||
if (omapdss_device_is_enabled(dssdev))
|
||||
return 0;
|
||||
|
||||
in->ops.hdmi->set_timings(in, &ddata->timings);
|
||||
|
||||
r = in->ops.hdmi->enable(in);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static void hdmic_disable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
dev_dbg(ddata->dev, "disable\n");
|
||||
|
||||
if (!omapdss_device_is_enabled(dssdev))
|
||||
return;
|
||||
|
||||
in->ops.hdmi->disable(in);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void hdmic_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->timings = *timings;
|
||||
dssdev->panel.timings = *timings;
|
||||
|
||||
in->ops.hdmi->set_timings(in, timings);
|
||||
}
|
||||
|
||||
static void hdmic_get_timings(struct omap_dss_device *dssdev,
|
||||
struct omap_video_timings *timings)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
|
||||
*timings = ddata->timings;
|
||||
}
|
||||
|
||||
static int hdmic_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.hdmi->check_timings(in, timings);
|
||||
}
|
||||
|
||||
static int hdmic_read_edid(struct omap_dss_device *dssdev,
|
||||
u8 *edid, int len)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.hdmi->read_edid(in, edid, len);
|
||||
}
|
||||
|
||||
static bool hdmic_detect(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
if (gpio_is_valid(ddata->hpd_gpio))
|
||||
return gpio_get_value_cansleep(ddata->hpd_gpio);
|
||||
else
|
||||
return in->ops.hdmi->detect(in);
|
||||
}
|
||||
|
||||
static int hdmic_audio_enable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
/* enable audio only if the display is active */
|
||||
if (!omapdss_device_is_enabled(dssdev))
|
||||
return -EPERM;
|
||||
|
||||
r = in->ops.hdmi->audio_enable(in);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
dssdev->audio_state = OMAP_DSS_AUDIO_ENABLED;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void hdmic_audio_disable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
in->ops.hdmi->audio_disable(in);
|
||||
|
||||
dssdev->audio_state = OMAP_DSS_AUDIO_DISABLED;
|
||||
}
|
||||
|
||||
static int hdmic_audio_start(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
/*
|
||||
* No need to check the panel state. It was checked when trasitioning
|
||||
* to AUDIO_ENABLED.
|
||||
*/
|
||||
if (dssdev->audio_state != OMAP_DSS_AUDIO_ENABLED)
|
||||
return -EPERM;
|
||||
|
||||
r = in->ops.hdmi->audio_start(in);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
dssdev->audio_state = OMAP_DSS_AUDIO_PLAYING;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void hdmic_audio_stop(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
in->ops.hdmi->audio_stop(in);
|
||||
|
||||
dssdev->audio_state = OMAP_DSS_AUDIO_ENABLED;
|
||||
}
|
||||
|
||||
static bool hdmic_audio_supported(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 false;
|
||||
|
||||
return in->ops.hdmi->audio_supported(in);
|
||||
}
|
||||
|
||||
static int hdmic_audio_config(struct omap_dss_device *dssdev,
|
||||
struct omap_dss_audio *audio)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
/* config audio only if the display is active */
|
||||
if (!omapdss_device_is_enabled(dssdev))
|
||||
return -EPERM;
|
||||
|
||||
r = in->ops.hdmi->audio_config(in, audio);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
dssdev->audio_state = OMAP_DSS_AUDIO_CONFIGURED;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int hdmic_set_hdmi_mode(struct omap_dss_device *dssdev, bool hdmi_mode)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.hdmi->set_hdmi_mode(in, hdmi_mode);
|
||||
}
|
||||
|
||||
static int hdmic_set_infoframe(struct omap_dss_device *dssdev,
|
||||
const struct hdmi_avi_infoframe *avi)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.hdmi->set_infoframe(in, avi);
|
||||
}
|
||||
|
||||
static struct omap_dss_driver hdmic_driver = {
|
||||
.connect = hdmic_connect,
|
||||
.disconnect = hdmic_disconnect,
|
||||
|
||||
.enable = hdmic_enable,
|
||||
.disable = hdmic_disable,
|
||||
|
||||
.set_timings = hdmic_set_timings,
|
||||
.get_timings = hdmic_get_timings,
|
||||
.check_timings = hdmic_check_timings,
|
||||
|
||||
.get_resolution = omapdss_default_get_resolution,
|
||||
|
||||
.read_edid = hdmic_read_edid,
|
||||
.detect = hdmic_detect,
|
||||
.set_hdmi_mode = hdmic_set_hdmi_mode,
|
||||
.set_hdmi_infoframe = hdmic_set_infoframe,
|
||||
|
||||
.audio_enable = hdmic_audio_enable,
|
||||
.audio_disable = hdmic_audio_disable,
|
||||
.audio_start = hdmic_audio_start,
|
||||
.audio_stop = hdmic_audio_stop,
|
||||
.audio_supported = hdmic_audio_supported,
|
||||
.audio_config = hdmic_audio_config,
|
||||
};
|
||||
|
||||
static int hdmic_probe_pdata(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct connector_hdmi_platform_data *pdata;
|
||||
struct omap_dss_device *in, *dssdev;
|
||||
|
||||
pdata = dev_get_platdata(&pdev->dev);
|
||||
|
||||
ddata->hpd_gpio = -ENODEV;
|
||||
|
||||
in = omap_dss_find_output(pdata->source);
|
||||
if (in == NULL) {
|
||||
dev_err(&pdev->dev, "Failed to find video source\n");
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->name = pdata->name;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int hdmic_probe_of(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct device_node *node = pdev->dev.of_node;
|
||||
struct omap_dss_device *in;
|
||||
int gpio;
|
||||
|
||||
/* HPD GPIO */
|
||||
gpio = of_get_named_gpio(node, "hpd-gpios", 0);
|
||||
if (gpio_is_valid(gpio))
|
||||
ddata->hpd_gpio = gpio;
|
||||
else
|
||||
ddata->hpd_gpio = -ENODEV;
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&pdev->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int hdmic_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)
|
||||
return -ENOMEM;
|
||||
|
||||
platform_set_drvdata(pdev, ddata);
|
||||
ddata->dev = &pdev->dev;
|
||||
|
||||
if (dev_get_platdata(&pdev->dev)) {
|
||||
r = hdmic_probe_pdata(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (pdev->dev.of_node) {
|
||||
r = hdmic_probe_of(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->hpd_gpio)) {
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->hpd_gpio,
|
||||
GPIOF_DIR_IN, "hdmi_hpd");
|
||||
if (r)
|
||||
goto err_reg;
|
||||
}
|
||||
|
||||
ddata->timings = hdmic_default_timings;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->driver = &hdmic_driver;
|
||||
dssdev->dev = &pdev->dev;
|
||||
dssdev->type = OMAP_DISPLAY_TYPE_HDMI;
|
||||
dssdev->owner = THIS_MODULE;
|
||||
dssdev->panel.timings = hdmic_default_timings;
|
||||
|
||||
r = omapdss_register_display(dssdev);
|
||||
if (r) {
|
||||
dev_err(&pdev->dev, "Failed to register panel\n");
|
||||
goto err_reg;
|
||||
}
|
||||
|
||||
return 0;
|
||||
err_reg:
|
||||
omap_dss_put_device(ddata->in);
|
||||
return r;
|
||||
}
|
||||
|
||||
static int __exit hdmic_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(&ddata->dssdev);
|
||||
|
||||
hdmic_disable(dssdev);
|
||||
hdmic_disconnect(dssdev);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id hdmic_of_match[] = {
|
||||
{ .compatible = "omapdss,hdmi-connector", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, hdmic_of_match);
|
||||
|
||||
static struct platform_driver hdmi_connector_driver = {
|
||||
.probe = hdmic_probe,
|
||||
.remove = __exit_p(hdmic_remove),
|
||||
.driver = {
|
||||
.name = "connector-hdmi",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = hdmic_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(hdmi_connector_driver);
|
||||
|
||||
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
|
||||
MODULE_DESCRIPTION("HDMI Connector driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
309
drivers/video/fbdev/omap2/displays-new/encoder-tfp410.c
Normal file
309
drivers/video/fbdev/omap2/displays-new/encoder-tfp410.c
Normal file
|
|
@ -0,0 +1,309 @@
|
|||
/*
|
||||
* TFP410 DPI-to-DVI encoder driver
|
||||
*
|
||||
* 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/gpio.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/of_gpio.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 pd_gpio;
|
||||
int data_lines;
|
||||
|
||||
struct omap_video_timings timings;
|
||||
};
|
||||
|
||||
#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
|
||||
|
||||
static int tfp410_connect(struct omap_dss_device *dssdev,
|
||||
struct omap_dss_device *dst)
|
||||
{
|
||||
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 -EBUSY;
|
||||
|
||||
r = in->ops.dpi->connect(in, dssdev);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
dst->src = dssdev;
|
||||
dssdev->dst = dst;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void tfp410_disconnect(struct omap_dss_device *dssdev,
|
||||
struct omap_dss_device *dst)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
WARN_ON(!omapdss_device_is_connected(dssdev));
|
||||
if (!omapdss_device_is_connected(dssdev))
|
||||
return;
|
||||
|
||||
WARN_ON(dst != dssdev->dst);
|
||||
if (dst != dssdev->dst)
|
||||
return;
|
||||
|
||||
dst->src = NULL;
|
||||
dssdev->dst = NULL;
|
||||
|
||||
in->ops.dpi->disconnect(in, &ddata->dssdev);
|
||||
}
|
||||
|
||||
static int tfp410_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_timings(in, &ddata->timings);
|
||||
if (ddata->data_lines)
|
||||
in->ops.dpi->set_data_lines(in, ddata->data_lines);
|
||||
|
||||
r = in->ops.dpi->enable(in);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
if (gpio_is_valid(ddata->pd_gpio))
|
||||
gpio_set_value_cansleep(ddata->pd_gpio, 1);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void tfp410_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->pd_gpio))
|
||||
gpio_set_value_cansleep(ddata->pd_gpio, 0);
|
||||
|
||||
in->ops.dpi->disable(in);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void tfp410_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->timings = *timings;
|
||||
dssdev->panel.timings = *timings;
|
||||
|
||||
in->ops.dpi->set_timings(in, timings);
|
||||
}
|
||||
|
||||
static void tfp410_get_timings(struct omap_dss_device *dssdev,
|
||||
struct omap_video_timings *timings)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
|
||||
*timings = ddata->timings;
|
||||
}
|
||||
|
||||
static int tfp410_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 const struct omapdss_dvi_ops tfp410_dvi_ops = {
|
||||
.connect = tfp410_connect,
|
||||
.disconnect = tfp410_disconnect,
|
||||
|
||||
.enable = tfp410_enable,
|
||||
.disable = tfp410_disable,
|
||||
|
||||
.check_timings = tfp410_check_timings,
|
||||
.set_timings = tfp410_set_timings,
|
||||
.get_timings = tfp410_get_timings,
|
||||
};
|
||||
|
||||
static int tfp410_probe_pdata(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct encoder_tfp410_platform_data *pdata;
|
||||
struct omap_dss_device *dssdev, *in;
|
||||
|
||||
pdata = dev_get_platdata(&pdev->dev);
|
||||
|
||||
ddata->pd_gpio = pdata->power_down_gpio;
|
||||
|
||||
ddata->data_lines = pdata->data_lines;
|
||||
|
||||
in = omap_dss_find_output(pdata->source);
|
||||
if (in == NULL) {
|
||||
dev_err(&pdev->dev, "Failed to find video source\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->name = pdata->name;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tfp410_probe_of(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct device_node *node = pdev->dev.of_node;
|
||||
struct omap_dss_device *in;
|
||||
int gpio;
|
||||
|
||||
gpio = of_get_named_gpio(node, "powerdown-gpios", 0);
|
||||
|
||||
if (gpio_is_valid(gpio) || gpio == -ENOENT) {
|
||||
ddata->pd_gpio = gpio;
|
||||
} else {
|
||||
dev_err(&pdev->dev, "failed to parse PD gpio\n");
|
||||
return gpio;
|
||||
}
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&pdev->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tfp410_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)
|
||||
return -ENOMEM;
|
||||
|
||||
platform_set_drvdata(pdev, ddata);
|
||||
|
||||
if (dev_get_platdata(&pdev->dev)) {
|
||||
r = tfp410_probe_pdata(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (pdev->dev.of_node) {
|
||||
r = tfp410_probe_of(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->pd_gpio)) {
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->pd_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "tfp410 PD");
|
||||
if (r) {
|
||||
dev_err(&pdev->dev, "Failed to request PD GPIO %d\n",
|
||||
ddata->pd_gpio);
|
||||
goto err_gpio;
|
||||
}
|
||||
}
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->ops.dvi = &tfp410_dvi_ops;
|
||||
dssdev->dev = &pdev->dev;
|
||||
dssdev->type = OMAP_DISPLAY_TYPE_DPI;
|
||||
dssdev->output_type = OMAP_DISPLAY_TYPE_DVI;
|
||||
dssdev->owner = THIS_MODULE;
|
||||
dssdev->phy.dpi.data_lines = ddata->data_lines;
|
||||
|
||||
r = omapdss_register_output(dssdev);
|
||||
if (r) {
|
||||
dev_err(&pdev->dev, "Failed to register output\n");
|
||||
goto err_reg;
|
||||
}
|
||||
|
||||
return 0;
|
||||
err_reg:
|
||||
err_gpio:
|
||||
omap_dss_put_device(ddata->in);
|
||||
return r;
|
||||
}
|
||||
|
||||
static int __exit tfp410_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_output(&ddata->dssdev);
|
||||
|
||||
WARN_ON(omapdss_device_is_enabled(dssdev));
|
||||
if (omapdss_device_is_enabled(dssdev))
|
||||
tfp410_disable(dssdev);
|
||||
|
||||
WARN_ON(omapdss_device_is_connected(dssdev));
|
||||
if (omapdss_device_is_connected(dssdev))
|
||||
tfp410_disconnect(dssdev, dssdev->dst);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id tfp410_of_match[] = {
|
||||
{ .compatible = "omapdss,ti,tfp410", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, tfp410_of_match);
|
||||
|
||||
static struct platform_driver tfp410_driver = {
|
||||
.probe = tfp410_probe,
|
||||
.remove = __exit_p(tfp410_remove),
|
||||
.driver = {
|
||||
.name = "tfp410",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = tfp410_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(tfp410_driver);
|
||||
|
||||
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
|
||||
MODULE_DESCRIPTION("TFP410 DPI to DVI encoder driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
472
drivers/video/fbdev/omap2/displays-new/encoder-tpd12s015.c
Normal file
472
drivers/video/fbdev/omap2/displays-new/encoder-tpd12s015.c
Normal file
|
|
@ -0,0 +1,472 @@
|
|||
/*
|
||||
* TPD12S015 HDMI ESD protection & level shifter chip driver
|
||||
*
|
||||
* 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/completion.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/gpio.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/of_gpio.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 ct_cp_hpd_gpio;
|
||||
int ls_oe_gpio;
|
||||
int hpd_gpio;
|
||||
|
||||
struct omap_video_timings timings;
|
||||
|
||||
struct completion hpd_completion;
|
||||
};
|
||||
|
||||
#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
|
||||
|
||||
static irqreturn_t tpd_hpd_irq_handler(int irq, void *data)
|
||||
{
|
||||
struct panel_drv_data *ddata = data;
|
||||
bool hpd;
|
||||
|
||||
hpd = gpio_get_value_cansleep(ddata->hpd_gpio);
|
||||
|
||||
dev_dbg(ddata->dssdev.dev, "hpd %d\n", hpd);
|
||||
|
||||
if (gpio_is_valid(ddata->ls_oe_gpio)) {
|
||||
if (hpd)
|
||||
gpio_set_value_cansleep(ddata->ls_oe_gpio, 1);
|
||||
else
|
||||
gpio_set_value_cansleep(ddata->ls_oe_gpio, 0);
|
||||
}
|
||||
|
||||
complete_all(&ddata->hpd_completion);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static int tpd_connect(struct omap_dss_device *dssdev,
|
||||
struct omap_dss_device *dst)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
r = in->ops.hdmi->connect(in, dssdev);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
dst->src = dssdev;
|
||||
dssdev->dst = dst;
|
||||
|
||||
reinit_completion(&ddata->hpd_completion);
|
||||
|
||||
gpio_set_value_cansleep(ddata->ct_cp_hpd_gpio, 1);
|
||||
/* DC-DC converter needs at max 300us to get to 90% of 5V */
|
||||
udelay(300);
|
||||
|
||||
/*
|
||||
* If there's a cable connected, wait for the hpd irq to trigger,
|
||||
* which turns on the level shifters.
|
||||
*/
|
||||
if (gpio_get_value_cansleep(ddata->hpd_gpio)) {
|
||||
unsigned long to;
|
||||
to = wait_for_completion_timeout(&ddata->hpd_completion,
|
||||
msecs_to_jiffies(250));
|
||||
WARN_ON_ONCE(to == 0);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void tpd_disconnect(struct omap_dss_device *dssdev,
|
||||
struct omap_dss_device *dst)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
WARN_ON(dst != dssdev->dst);
|
||||
|
||||
if (dst != dssdev->dst)
|
||||
return;
|
||||
|
||||
gpio_set_value_cansleep(ddata->ct_cp_hpd_gpio, 0);
|
||||
|
||||
dst->src = NULL;
|
||||
dssdev->dst = NULL;
|
||||
|
||||
in->ops.hdmi->disconnect(in, &ddata->dssdev);
|
||||
}
|
||||
|
||||
static int tpd_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 (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
|
||||
return 0;
|
||||
|
||||
in->ops.hdmi->set_timings(in, &ddata->timings);
|
||||
|
||||
r = in->ops.hdmi->enable(in);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static void tpd_disable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
|
||||
return;
|
||||
|
||||
in->ops.hdmi->disable(in);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void tpd_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->timings = *timings;
|
||||
dssdev->panel.timings = *timings;
|
||||
|
||||
in->ops.hdmi->set_timings(in, timings);
|
||||
}
|
||||
|
||||
static void tpd_get_timings(struct omap_dss_device *dssdev,
|
||||
struct omap_video_timings *timings)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
|
||||
*timings = ddata->timings;
|
||||
}
|
||||
|
||||
static int tpd_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;
|
||||
int r;
|
||||
|
||||
r = in->ops.hdmi->check_timings(in, timings);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static int tpd_read_edid(struct omap_dss_device *dssdev,
|
||||
u8 *edid, int len)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
if (!gpio_get_value_cansleep(ddata->hpd_gpio))
|
||||
return -ENODEV;
|
||||
|
||||
return in->ops.hdmi->read_edid(in, edid, len);
|
||||
}
|
||||
|
||||
static bool tpd_detect(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
|
||||
return gpio_get_value_cansleep(ddata->hpd_gpio);
|
||||
}
|
||||
|
||||
static int tpd_audio_enable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.hdmi->audio_enable(in);
|
||||
}
|
||||
|
||||
static void tpd_audio_disable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
in->ops.hdmi->audio_disable(in);
|
||||
}
|
||||
|
||||
static int tpd_audio_start(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.hdmi->audio_start(in);
|
||||
}
|
||||
|
||||
static void tpd_audio_stop(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
in->ops.hdmi->audio_stop(in);
|
||||
}
|
||||
|
||||
static bool tpd_audio_supported(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.hdmi->audio_supported(in);
|
||||
}
|
||||
|
||||
static int tpd_audio_config(struct omap_dss_device *dssdev,
|
||||
struct omap_dss_audio *audio)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.hdmi->audio_config(in, audio);
|
||||
}
|
||||
|
||||
static int tpd_set_infoframe(struct omap_dss_device *dssdev,
|
||||
const struct hdmi_avi_infoframe *avi)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.hdmi->set_infoframe(in, avi);
|
||||
}
|
||||
|
||||
static int tpd_set_hdmi_mode(struct omap_dss_device *dssdev,
|
||||
bool hdmi_mode)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
return in->ops.hdmi->set_hdmi_mode(in, hdmi_mode);
|
||||
}
|
||||
|
||||
static const struct omapdss_hdmi_ops tpd_hdmi_ops = {
|
||||
.connect = tpd_connect,
|
||||
.disconnect = tpd_disconnect,
|
||||
|
||||
.enable = tpd_enable,
|
||||
.disable = tpd_disable,
|
||||
|
||||
.check_timings = tpd_check_timings,
|
||||
.set_timings = tpd_set_timings,
|
||||
.get_timings = tpd_get_timings,
|
||||
|
||||
.read_edid = tpd_read_edid,
|
||||
.detect = tpd_detect,
|
||||
.set_infoframe = tpd_set_infoframe,
|
||||
.set_hdmi_mode = tpd_set_hdmi_mode,
|
||||
|
||||
.audio_enable = tpd_audio_enable,
|
||||
.audio_disable = tpd_audio_disable,
|
||||
.audio_start = tpd_audio_start,
|
||||
.audio_stop = tpd_audio_stop,
|
||||
.audio_supported = tpd_audio_supported,
|
||||
.audio_config = tpd_audio_config,
|
||||
};
|
||||
|
||||
static int tpd_probe_pdata(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct encoder_tpd12s015_platform_data *pdata;
|
||||
struct omap_dss_device *dssdev, *in;
|
||||
|
||||
pdata = dev_get_platdata(&pdev->dev);
|
||||
|
||||
ddata->ct_cp_hpd_gpio = pdata->ct_cp_hpd_gpio;
|
||||
ddata->ls_oe_gpio = pdata->ls_oe_gpio;
|
||||
ddata->hpd_gpio = pdata->hpd_gpio;
|
||||
|
||||
in = omap_dss_find_output(pdata->source);
|
||||
if (in == NULL) {
|
||||
dev_err(&pdev->dev, "Failed to find video source\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->name = pdata->name;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tpd_probe_of(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct device_node *node = pdev->dev.of_node;
|
||||
struct omap_dss_device *in;
|
||||
int gpio;
|
||||
|
||||
/* CT CP HPD GPIO */
|
||||
gpio = of_get_gpio(node, 0);
|
||||
if (!gpio_is_valid(gpio)) {
|
||||
dev_err(&pdev->dev, "failed to parse CT CP HPD gpio\n");
|
||||
return gpio;
|
||||
}
|
||||
ddata->ct_cp_hpd_gpio = gpio;
|
||||
|
||||
/* LS OE GPIO */
|
||||
gpio = of_get_gpio(node, 1);
|
||||
if (gpio_is_valid(gpio) || gpio == -ENOENT) {
|
||||
ddata->ls_oe_gpio = gpio;
|
||||
} else {
|
||||
dev_err(&pdev->dev, "failed to parse LS OE gpio\n");
|
||||
return gpio;
|
||||
}
|
||||
|
||||
/* HPD GPIO */
|
||||
gpio = of_get_gpio(node, 2);
|
||||
if (!gpio_is_valid(gpio)) {
|
||||
dev_err(&pdev->dev, "failed to parse HPD gpio\n");
|
||||
return gpio;
|
||||
}
|
||||
ddata->hpd_gpio = gpio;
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&pdev->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tpd_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct omap_dss_device *in, *dssdev;
|
||||
struct panel_drv_data *ddata;
|
||||
int r;
|
||||
|
||||
ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
|
||||
if (!ddata)
|
||||
return -ENOMEM;
|
||||
|
||||
platform_set_drvdata(pdev, ddata);
|
||||
|
||||
init_completion(&ddata->hpd_completion);
|
||||
|
||||
if (dev_get_platdata(&pdev->dev)) {
|
||||
r = tpd_probe_pdata(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (pdev->dev.of_node) {
|
||||
r = tpd_probe_of(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->ct_cp_hpd_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "hdmi_ct_cp_hpd");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
|
||||
if (gpio_is_valid(ddata->ls_oe_gpio)) {
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->ls_oe_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "hdmi_ls_oe");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->hpd_gpio,
|
||||
GPIOF_DIR_IN, "hdmi_hpd");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
|
||||
r = devm_request_threaded_irq(&pdev->dev, gpio_to_irq(ddata->hpd_gpio),
|
||||
NULL, tpd_hpd_irq_handler,
|
||||
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
|
||||
IRQF_ONESHOT, "hpd", ddata);
|
||||
if (r)
|
||||
goto err_irq;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->ops.hdmi = &tpd_hdmi_ops;
|
||||
dssdev->dev = &pdev->dev;
|
||||
dssdev->type = OMAP_DISPLAY_TYPE_HDMI;
|
||||
dssdev->output_type = OMAP_DISPLAY_TYPE_HDMI;
|
||||
dssdev->owner = THIS_MODULE;
|
||||
|
||||
in = ddata->in;
|
||||
|
||||
r = omapdss_register_output(dssdev);
|
||||
if (r) {
|
||||
dev_err(&pdev->dev, "Failed to register output\n");
|
||||
goto err_reg;
|
||||
}
|
||||
|
||||
return 0;
|
||||
err_reg:
|
||||
err_irq:
|
||||
err_gpio:
|
||||
omap_dss_put_device(ddata->in);
|
||||
return r;
|
||||
}
|
||||
|
||||
static int __exit tpd_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_output(&ddata->dssdev);
|
||||
|
||||
WARN_ON(omapdss_device_is_enabled(dssdev));
|
||||
if (omapdss_device_is_enabled(dssdev))
|
||||
tpd_disable(dssdev);
|
||||
|
||||
WARN_ON(omapdss_device_is_connected(dssdev));
|
||||
if (omapdss_device_is_connected(dssdev))
|
||||
tpd_disconnect(dssdev, dssdev->dst);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id tpd_of_match[] = {
|
||||
{ .compatible = "omapdss,ti,tpd12s015", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, tpd_of_match);
|
||||
|
||||
static struct platform_driver tpd_driver = {
|
||||
.probe = tpd_probe,
|
||||
.remove = __exit_p(tpd_remove),
|
||||
.driver = {
|
||||
.name = "tpd12s015",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = tpd_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(tpd_driver);
|
||||
|
||||
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
|
||||
MODULE_DESCRIPTION("TPD12S015 driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
338
drivers/video/fbdev/omap2/displays-new/panel-dpi.c
Normal file
338
drivers/video/fbdev/omap2/displays-new/panel-dpi.c
Normal file
|
|
@ -0,0 +1,338 @@
|
|||
/*
|
||||
* Generic MIPI DPI Panel Driver
|
||||
*
|
||||
* 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/gpio.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/of_gpio.h>
|
||||
|
||||
#include <video/omapdss.h>
|
||||
#include <video/omap-panel-data.h>
|
||||
#include <video/of_display_timing.h>
|
||||
|
||||
struct panel_drv_data {
|
||||
struct omap_dss_device dssdev;
|
||||
struct omap_dss_device *in;
|
||||
|
||||
int data_lines;
|
||||
|
||||
struct omap_video_timings videomode;
|
||||
|
||||
/* used for non-DT boot, to be removed */
|
||||
int backlight_gpio;
|
||||
|
||||
struct gpio_desc *enable_gpio;
|
||||
};
|
||||
|
||||
#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
|
||||
|
||||
static int panel_dpi_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 panel_dpi_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 panel_dpi_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;
|
||||
|
||||
if (ddata->data_lines)
|
||||
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;
|
||||
|
||||
if (ddata->enable_gpio)
|
||||
gpiod_set_value_cansleep(ddata->enable_gpio, 1);
|
||||
|
||||
if (gpio_is_valid(ddata->backlight_gpio))
|
||||
gpio_set_value_cansleep(ddata->backlight_gpio, 1);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void panel_dpi_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 (ddata->enable_gpio)
|
||||
gpiod_set_value_cansleep(ddata->enable_gpio, 0);
|
||||
|
||||
if (gpio_is_valid(ddata->backlight_gpio))
|
||||
gpio_set_value_cansleep(ddata->backlight_gpio, 0);
|
||||
|
||||
in->ops.dpi->disable(in);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void panel_dpi_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 panel_dpi_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 panel_dpi_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 panel_dpi_ops = {
|
||||
.connect = panel_dpi_connect,
|
||||
.disconnect = panel_dpi_disconnect,
|
||||
|
||||
.enable = panel_dpi_enable,
|
||||
.disable = panel_dpi_disable,
|
||||
|
||||
.set_timings = panel_dpi_set_timings,
|
||||
.get_timings = panel_dpi_get_timings,
|
||||
.check_timings = panel_dpi_check_timings,
|
||||
|
||||
.get_resolution = omapdss_default_get_resolution,
|
||||
};
|
||||
|
||||
static int panel_dpi_probe_pdata(struct platform_device *pdev)
|
||||
{
|
||||
const struct panel_dpi_platform_data *pdata;
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct omap_dss_device *dssdev, *in;
|
||||
struct videomode vm;
|
||||
int r;
|
||||
|
||||
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;
|
||||
|
||||
videomode_from_timing(pdata->display_timing, &vm);
|
||||
videomode_to_omap_video_timings(&vm, &ddata->videomode);
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->name = pdata->name;
|
||||
|
||||
r = devm_gpio_request_one(&pdev->dev, pdata->enable_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "panel enable");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
|
||||
ddata->enable_gpio = gpio_to_desc(pdata->enable_gpio);
|
||||
|
||||
ddata->backlight_gpio = pdata->backlight_gpio;
|
||||
|
||||
return 0;
|
||||
|
||||
err_gpio:
|
||||
omap_dss_put_device(ddata->in);
|
||||
return r;
|
||||
}
|
||||
|
||||
static int panel_dpi_probe_of(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct device_node *node = pdev->dev.of_node;
|
||||
struct omap_dss_device *in;
|
||||
int r;
|
||||
struct display_timing timing;
|
||||
struct videomode vm;
|
||||
struct gpio_desc *gpio;
|
||||
|
||||
gpio = devm_gpiod_get(&pdev->dev, "enable");
|
||||
|
||||
if (IS_ERR(gpio)) {
|
||||
if (PTR_ERR(gpio) != -ENOENT)
|
||||
return PTR_ERR(gpio);
|
||||
else
|
||||
gpio = NULL;
|
||||
} else {
|
||||
gpiod_direction_output(gpio, 0);
|
||||
}
|
||||
|
||||
ddata->enable_gpio = gpio;
|
||||
|
||||
ddata->backlight_gpio = -ENOENT;
|
||||
|
||||
r = of_get_display_timing(node, "panel-timing", &timing);
|
||||
if (r) {
|
||||
dev_err(&pdev->dev, "failed to get video timing\n");
|
||||
return r;
|
||||
}
|
||||
|
||||
videomode_from_timing(&timing, &vm);
|
||||
videomode_to_omap_video_timings(&vm, &ddata->videomode);
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&pdev->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int panel_dpi_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 = panel_dpi_probe_pdata(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (pdev->dev.of_node) {
|
||||
r = panel_dpi_probe_of(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->backlight_gpio)) {
|
||||
r = devm_gpio_request_one(&pdev->dev, ddata->backlight_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "panel backlight");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->dev = &pdev->dev;
|
||||
dssdev->driver = &panel_dpi_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 panel_dpi_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);
|
||||
|
||||
panel_dpi_disable(dssdev);
|
||||
panel_dpi_disconnect(dssdev);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id panel_dpi_of_match[] = {
|
||||
{ .compatible = "omapdss,panel-dpi", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, panel_dpi_of_match);
|
||||
|
||||
static struct platform_driver panel_dpi_driver = {
|
||||
.probe = panel_dpi_probe,
|
||||
.remove = __exit_p(panel_dpi_remove),
|
||||
.driver = {
|
||||
.name = "panel-dpi",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = panel_dpi_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(panel_dpi_driver);
|
||||
|
||||
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
|
||||
MODULE_DESCRIPTION("Generic MIPI DPI Panel Driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
1389
drivers/video/fbdev/omap2/displays-new/panel-dsi-cm.c
Normal file
1389
drivers/video/fbdev/omap2/displays-new/panel-dsi-cm.c
Normal file
File diff suppressed because it is too large
Load diff
|
|
@ -0,0 +1,406 @@
|
|||
/*
|
||||
* LG.Philips LB035Q02 LCD Panel driver
|
||||
*
|
||||
* Copyright (C) 2013 Texas Instruments
|
||||
* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
|
||||
* Based on a driver by: Steve Sakoman <steve@sakoman.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/module.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/spi/spi.h>
|
||||
#include <linux/mutex.h>
|
||||
#include <linux/gpio.h>
|
||||
|
||||
#include <video/omapdss.h>
|
||||
#include <video/omap-panel-data.h>
|
||||
|
||||
static struct omap_video_timings lb035q02_timings = {
|
||||
.x_res = 320,
|
||||
.y_res = 240,
|
||||
|
||||
.pixelclock = 6500000,
|
||||
|
||||
.hsw = 2,
|
||||
.hfp = 20,
|
||||
.hbp = 68,
|
||||
|
||||
.vsw = 2,
|
||||
.vfp = 4,
|
||||
.vbp = 18,
|
||||
|
||||
.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,
|
||||
};
|
||||
|
||||
struct panel_drv_data {
|
||||
struct omap_dss_device dssdev;
|
||||
struct omap_dss_device *in;
|
||||
|
||||
struct spi_device *spi;
|
||||
|
||||
int data_lines;
|
||||
|
||||
struct omap_video_timings videomode;
|
||||
|
||||
/* used for non-DT boot, to be removed */
|
||||
int backlight_gpio;
|
||||
|
||||
struct gpio_desc *enable_gpio;
|
||||
};
|
||||
|
||||
#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
|
||||
|
||||
static int lb035q02_write_reg(struct spi_device *spi, u8 reg, u16 val)
|
||||
{
|
||||
struct spi_message msg;
|
||||
struct spi_transfer index_xfer = {
|
||||
.len = 3,
|
||||
.cs_change = 1,
|
||||
};
|
||||
struct spi_transfer value_xfer = {
|
||||
.len = 3,
|
||||
};
|
||||
u8 buffer[16];
|
||||
|
||||
spi_message_init(&msg);
|
||||
|
||||
/* register index */
|
||||
buffer[0] = 0x70;
|
||||
buffer[1] = 0x00;
|
||||
buffer[2] = reg & 0x7f;
|
||||
index_xfer.tx_buf = buffer;
|
||||
spi_message_add_tail(&index_xfer, &msg);
|
||||
|
||||
/* register value */
|
||||
buffer[4] = 0x72;
|
||||
buffer[5] = val >> 8;
|
||||
buffer[6] = val;
|
||||
value_xfer.tx_buf = buffer + 4;
|
||||
spi_message_add_tail(&value_xfer, &msg);
|
||||
|
||||
return spi_sync(spi, &msg);
|
||||
}
|
||||
|
||||
static void init_lb035q02_panel(struct spi_device *spi)
|
||||
{
|
||||
/* Init sequence from page 28 of the lb035q02 spec */
|
||||
lb035q02_write_reg(spi, 0x01, 0x6300);
|
||||
lb035q02_write_reg(spi, 0x02, 0x0200);
|
||||
lb035q02_write_reg(spi, 0x03, 0x0177);
|
||||
lb035q02_write_reg(spi, 0x04, 0x04c7);
|
||||
lb035q02_write_reg(spi, 0x05, 0xffc0);
|
||||
lb035q02_write_reg(spi, 0x06, 0xe806);
|
||||
lb035q02_write_reg(spi, 0x0a, 0x4008);
|
||||
lb035q02_write_reg(spi, 0x0b, 0x0000);
|
||||
lb035q02_write_reg(spi, 0x0d, 0x0030);
|
||||
lb035q02_write_reg(spi, 0x0e, 0x2800);
|
||||
lb035q02_write_reg(spi, 0x0f, 0x0000);
|
||||
lb035q02_write_reg(spi, 0x16, 0x9f80);
|
||||
lb035q02_write_reg(spi, 0x17, 0x0a0f);
|
||||
lb035q02_write_reg(spi, 0x1e, 0x00c1);
|
||||
lb035q02_write_reg(spi, 0x30, 0x0300);
|
||||
lb035q02_write_reg(spi, 0x31, 0x0007);
|
||||
lb035q02_write_reg(spi, 0x32, 0x0000);
|
||||
lb035q02_write_reg(spi, 0x33, 0x0000);
|
||||
lb035q02_write_reg(spi, 0x34, 0x0707);
|
||||
lb035q02_write_reg(spi, 0x35, 0x0004);
|
||||
lb035q02_write_reg(spi, 0x36, 0x0302);
|
||||
lb035q02_write_reg(spi, 0x37, 0x0202);
|
||||
lb035q02_write_reg(spi, 0x3a, 0x0a0d);
|
||||
lb035q02_write_reg(spi, 0x3b, 0x0806);
|
||||
}
|
||||
|
||||
static int lb035q02_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;
|
||||
|
||||
init_lb035q02_panel(ddata->spi);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void lb035q02_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 lb035q02_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;
|
||||
|
||||
if (ddata->data_lines)
|
||||
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;
|
||||
|
||||
if (ddata->enable_gpio)
|
||||
gpiod_set_value_cansleep(ddata->enable_gpio, 1);
|
||||
|
||||
if (gpio_is_valid(ddata->backlight_gpio))
|
||||
gpio_set_value_cansleep(ddata->backlight_gpio, 1);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void lb035q02_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 (ddata->enable_gpio)
|
||||
gpiod_set_value_cansleep(ddata->enable_gpio, 0);
|
||||
|
||||
if (gpio_is_valid(ddata->backlight_gpio))
|
||||
gpio_set_value_cansleep(ddata->backlight_gpio, 0);
|
||||
|
||||
in->ops.dpi->disable(in);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void lb035q02_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 lb035q02_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 lb035q02_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 lb035q02_ops = {
|
||||
.connect = lb035q02_connect,
|
||||
.disconnect = lb035q02_disconnect,
|
||||
|
||||
.enable = lb035q02_enable,
|
||||
.disable = lb035q02_disable,
|
||||
|
||||
.set_timings = lb035q02_set_timings,
|
||||
.get_timings = lb035q02_get_timings,
|
||||
.check_timings = lb035q02_check_timings,
|
||||
|
||||
.get_resolution = omapdss_default_get_resolution,
|
||||
};
|
||||
|
||||
static int lb035q02_probe_pdata(struct spi_device *spi)
|
||||
{
|
||||
const struct panel_lb035q02_platform_data *pdata;
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *dssdev, *in;
|
||||
int r;
|
||||
|
||||
pdata = dev_get_platdata(&spi->dev);
|
||||
|
||||
in = omap_dss_find_output(pdata->source);
|
||||
if (in == NULL) {
|
||||
dev_err(&spi->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;
|
||||
|
||||
r = devm_gpio_request_one(&spi->dev, pdata->enable_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "panel enable");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
|
||||
ddata->enable_gpio = gpio_to_desc(pdata->enable_gpio);
|
||||
|
||||
ddata->backlight_gpio = pdata->backlight_gpio;
|
||||
|
||||
return 0;
|
||||
err_gpio:
|
||||
omap_dss_put_device(ddata->in);
|
||||
return r;
|
||||
}
|
||||
|
||||
static int lb035q02_probe_of(struct spi_device *spi)
|
||||
{
|
||||
struct device_node *node = spi->dev.of_node;
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *in;
|
||||
struct gpio_desc *gpio;
|
||||
|
||||
gpio = devm_gpiod_get(&spi->dev, "enable");
|
||||
if (IS_ERR(gpio)) {
|
||||
dev_err(&spi->dev, "failed to parse enable gpio\n");
|
||||
return PTR_ERR(gpio);
|
||||
} else {
|
||||
gpiod_direction_output(gpio, 0);
|
||||
ddata->enable_gpio = gpio;
|
||||
}
|
||||
|
||||
ddata->backlight_gpio = -ENOENT;
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&spi->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int lb035q02_panel_spi_probe(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata;
|
||||
struct omap_dss_device *dssdev;
|
||||
int r;
|
||||
|
||||
ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
|
||||
if (ddata == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
dev_set_drvdata(&spi->dev, ddata);
|
||||
|
||||
ddata->spi = spi;
|
||||
|
||||
if (dev_get_platdata(&spi->dev)) {
|
||||
r = lb035q02_probe_pdata(spi);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (spi->dev.of_node) {
|
||||
r = lb035q02_probe_of(spi);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->backlight_gpio)) {
|
||||
r = devm_gpio_request_one(&spi->dev, ddata->backlight_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "panel backlight");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
ddata->videomode = lb035q02_timings;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->dev = &spi->dev;
|
||||
dssdev->driver = &lb035q02_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(&spi->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 lb035q02_panel_spi_remove(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *dssdev = &ddata->dssdev;
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
omapdss_unregister_display(dssdev);
|
||||
|
||||
lb035q02_disable(dssdev);
|
||||
lb035q02_disconnect(dssdev);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id lb035q02_of_match[] = {
|
||||
{ .compatible = "omapdss,lgphilips,lb035q02", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, lb035q02_of_match);
|
||||
|
||||
static struct spi_driver lb035q02_spi_driver = {
|
||||
.probe = lb035q02_panel_spi_probe,
|
||||
.remove = lb035q02_panel_spi_remove,
|
||||
.driver = {
|
||||
.name = "panel_lgphilips_lb035q02",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = lb035q02_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
};
|
||||
|
||||
module_spi_driver(lb035q02_spi_driver);
|
||||
|
||||
MODULE_ALIAS("spi:lgphilips,lb035q02");
|
||||
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
|
||||
MODULE_DESCRIPTION("LG.Philips LB035Q02 LCD Panel driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
438
drivers/video/fbdev/omap2/displays-new/panel-nec-nl8048hl11.c
Normal file
438
drivers/video/fbdev/omap2/displays-new/panel-nec-nl8048hl11.c
Normal file
|
|
@ -0,0 +1,438 @@
|
|||
/*
|
||||
* NEC NL8048HL11 Panel driver
|
||||
*
|
||||
* Copyright (C) 2010 Texas Instruments Inc.
|
||||
* Author: Erik Gilling <konkers@android.com>
|
||||
* Converted to new DSS device model: 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 as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/spi/spi.h>
|
||||
#include <linux/fb.h>
|
||||
#include <linux/gpio.h>
|
||||
#include <linux/of_gpio.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;
|
||||
|
||||
struct omap_video_timings videomode;
|
||||
|
||||
int data_lines;
|
||||
|
||||
int res_gpio;
|
||||
int qvga_gpio;
|
||||
|
||||
struct spi_device *spi;
|
||||
};
|
||||
|
||||
#define LCD_XRES 800
|
||||
#define LCD_YRES 480
|
||||
/*
|
||||
* NEC PIX Clock Ratings
|
||||
* MIN:21.8MHz TYP:23.8MHz MAX:25.7MHz
|
||||
*/
|
||||
#define LCD_PIXEL_CLOCK 23800000
|
||||
|
||||
static const struct {
|
||||
unsigned char addr;
|
||||
unsigned char dat;
|
||||
} nec_8048_init_seq[] = {
|
||||
{ 3, 0x01 }, { 0, 0x00 }, { 1, 0x01 }, { 4, 0x00 }, { 5, 0x14 },
|
||||
{ 6, 0x24 }, { 16, 0xD7 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x55 },
|
||||
{ 20, 0x01 }, { 21, 0x70 }, { 22, 0x1E }, { 23, 0x25 }, { 24, 0x25 },
|
||||
{ 25, 0x02 }, { 26, 0x02 }, { 27, 0xA0 }, { 32, 0x2F }, { 33, 0x0F },
|
||||
{ 34, 0x0F }, { 35, 0x0F }, { 36, 0x0F }, { 37, 0x0F }, { 38, 0x0F },
|
||||
{ 39, 0x00 }, { 40, 0x02 }, { 41, 0x02 }, { 42, 0x02 }, { 43, 0x0F },
|
||||
{ 44, 0x0F }, { 45, 0x0F }, { 46, 0x0F }, { 47, 0x0F }, { 48, 0x0F },
|
||||
{ 49, 0x0F }, { 50, 0x00 }, { 51, 0x02 }, { 52, 0x02 }, { 53, 0x02 },
|
||||
{ 80, 0x0C }, { 83, 0x42 }, { 84, 0x42 }, { 85, 0x41 }, { 86, 0x14 },
|
||||
{ 89, 0x88 }, { 90, 0x01 }, { 91, 0x00 }, { 92, 0x02 }, { 93, 0x0C },
|
||||
{ 94, 0x1C }, { 95, 0x27 }, { 98, 0x49 }, { 99, 0x27 }, { 102, 0x76 },
|
||||
{ 103, 0x27 }, { 112, 0x01 }, { 113, 0x0E }, { 114, 0x02 },
|
||||
{ 115, 0x0C }, { 118, 0x0C }, { 121, 0x30 }, { 130, 0x00 },
|
||||
{ 131, 0x00 }, { 132, 0xFC }, { 134, 0x00 }, { 136, 0x00 },
|
||||
{ 138, 0x00 }, { 139, 0x00 }, { 140, 0x00 }, { 141, 0xFC },
|
||||
{ 143, 0x00 }, { 145, 0x00 }, { 147, 0x00 }, { 148, 0x00 },
|
||||
{ 149, 0x00 }, { 150, 0xFC }, { 152, 0x00 }, { 154, 0x00 },
|
||||
{ 156, 0x00 }, { 157, 0x00 }, { 2, 0x00 },
|
||||
};
|
||||
|
||||
static const struct omap_video_timings nec_8048_panel_timings = {
|
||||
.x_res = LCD_XRES,
|
||||
.y_res = LCD_YRES,
|
||||
.pixelclock = LCD_PIXEL_CLOCK,
|
||||
.hfp = 6,
|
||||
.hsw = 1,
|
||||
.hbp = 4,
|
||||
.vfp = 3,
|
||||
.vsw = 1,
|
||||
.vbp = 4,
|
||||
|
||||
.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_RISING_EDGE,
|
||||
};
|
||||
|
||||
#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
|
||||
|
||||
static int nec_8048_spi_send(struct spi_device *spi, unsigned char reg_addr,
|
||||
unsigned char reg_data)
|
||||
{
|
||||
int ret = 0;
|
||||
unsigned int cmd = 0, data = 0;
|
||||
|
||||
cmd = 0x0000 | reg_addr; /* register address write */
|
||||
data = 0x0100 | reg_data; /* register data write */
|
||||
data = (cmd << 16) | data;
|
||||
|
||||
ret = spi_write(spi, (unsigned char *)&data, 4);
|
||||
if (ret)
|
||||
pr_err("error in spi_write %x\n", data);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int init_nec_8048_wvga_lcd(struct spi_device *spi)
|
||||
{
|
||||
unsigned int i;
|
||||
/* Initialization Sequence */
|
||||
/* nec_8048_spi_send(spi, REG, VAL) */
|
||||
for (i = 0; i < (ARRAY_SIZE(nec_8048_init_seq) - 1); i++)
|
||||
nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
|
||||
nec_8048_init_seq[i].dat);
|
||||
udelay(20);
|
||||
nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
|
||||
nec_8048_init_seq[i].dat);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nec_8048_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 nec_8048_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 nec_8048_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;
|
||||
|
||||
if (ddata->data_lines)
|
||||
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;
|
||||
|
||||
if (gpio_is_valid(ddata->res_gpio))
|
||||
gpio_set_value_cansleep(ddata->res_gpio, 1);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void nec_8048_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->res_gpio))
|
||||
gpio_set_value_cansleep(ddata->res_gpio, 0);
|
||||
|
||||
in->ops.dpi->disable(in);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void nec_8048_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 nec_8048_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 nec_8048_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 nec_8048_ops = {
|
||||
.connect = nec_8048_connect,
|
||||
.disconnect = nec_8048_disconnect,
|
||||
|
||||
.enable = nec_8048_enable,
|
||||
.disable = nec_8048_disable,
|
||||
|
||||
.set_timings = nec_8048_set_timings,
|
||||
.get_timings = nec_8048_get_timings,
|
||||
.check_timings = nec_8048_check_timings,
|
||||
|
||||
.get_resolution = omapdss_default_get_resolution,
|
||||
};
|
||||
|
||||
|
||||
static int nec_8048_probe_pdata(struct spi_device *spi)
|
||||
{
|
||||
const struct panel_nec_nl8048hl11_platform_data *pdata;
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *dssdev, *in;
|
||||
|
||||
pdata = dev_get_platdata(&spi->dev);
|
||||
|
||||
ddata->qvga_gpio = pdata->qvga_gpio;
|
||||
ddata->res_gpio = pdata->res_gpio;
|
||||
|
||||
in = omap_dss_find_output(pdata->source);
|
||||
if (in == NULL) {
|
||||
dev_err(&spi->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;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nec_8048_probe_of(struct spi_device *spi)
|
||||
{
|
||||
struct device_node *node = spi->dev.of_node;
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *in;
|
||||
int gpio;
|
||||
|
||||
gpio = of_get_named_gpio(node, "reset-gpios", 0);
|
||||
if (!gpio_is_valid(gpio)) {
|
||||
dev_err(&spi->dev, "failed to parse enable gpio\n");
|
||||
return gpio;
|
||||
}
|
||||
ddata->res_gpio = gpio;
|
||||
|
||||
/* XXX the panel spec doesn't mention any QVGA pin?? */
|
||||
ddata->qvga_gpio = -ENOENT;
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&spi->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nec_8048_probe(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata;
|
||||
struct omap_dss_device *dssdev;
|
||||
int r;
|
||||
|
||||
dev_dbg(&spi->dev, "%s\n", __func__);
|
||||
|
||||
spi->mode = SPI_MODE_0;
|
||||
spi->bits_per_word = 32;
|
||||
|
||||
r = spi_setup(spi);
|
||||
if (r < 0) {
|
||||
dev_err(&spi->dev, "spi_setup failed: %d\n", r);
|
||||
return r;
|
||||
}
|
||||
|
||||
init_nec_8048_wvga_lcd(spi);
|
||||
|
||||
ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
|
||||
if (ddata == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
dev_set_drvdata(&spi->dev, ddata);
|
||||
|
||||
ddata->spi = spi;
|
||||
|
||||
if (dev_get_platdata(&spi->dev)) {
|
||||
r = nec_8048_probe_pdata(spi);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (spi->dev.of_node) {
|
||||
r = nec_8048_probe_of(spi);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->qvga_gpio)) {
|
||||
r = devm_gpio_request_one(&spi->dev, ddata->qvga_gpio,
|
||||
GPIOF_OUT_INIT_HIGH, "lcd QVGA");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->res_gpio)) {
|
||||
r = devm_gpio_request_one(&spi->dev, ddata->res_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "lcd RES");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
ddata->videomode = nec_8048_panel_timings;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->dev = &spi->dev;
|
||||
dssdev->driver = &nec_8048_ops;
|
||||
dssdev->type = OMAP_DISPLAY_TYPE_DPI;
|
||||
dssdev->owner = THIS_MODULE;
|
||||
dssdev->panel.timings = ddata->videomode;
|
||||
|
||||
r = omapdss_register_display(dssdev);
|
||||
if (r) {
|
||||
dev_err(&spi->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 nec_8048_remove(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *dssdev = &ddata->dssdev;
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
dev_dbg(&ddata->spi->dev, "%s\n", __func__);
|
||||
|
||||
omapdss_unregister_display(dssdev);
|
||||
|
||||
nec_8048_disable(dssdev);
|
||||
nec_8048_disconnect(dssdev);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM_SLEEP
|
||||
static int nec_8048_suspend(struct device *dev)
|
||||
{
|
||||
struct spi_device *spi = to_spi_device(dev);
|
||||
|
||||
nec_8048_spi_send(spi, 2, 0x01);
|
||||
mdelay(40);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nec_8048_resume(struct device *dev)
|
||||
{
|
||||
struct spi_device *spi = to_spi_device(dev);
|
||||
|
||||
/* reinitialize the panel */
|
||||
spi_setup(spi);
|
||||
nec_8048_spi_send(spi, 2, 0x00);
|
||||
init_nec_8048_wvga_lcd(spi);
|
||||
|
||||
return 0;
|
||||
}
|
||||
static SIMPLE_DEV_PM_OPS(nec_8048_pm_ops, nec_8048_suspend,
|
||||
nec_8048_resume);
|
||||
#define NEC_8048_PM_OPS (&nec_8048_pm_ops)
|
||||
#else
|
||||
#define NEC_8048_PM_OPS NULL
|
||||
#endif
|
||||
|
||||
static const struct of_device_id nec_8048_of_match[] = {
|
||||
{ .compatible = "omapdss,nec,nl8048hl11", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, nec_8048_of_match);
|
||||
|
||||
static struct spi_driver nec_8048_driver = {
|
||||
.driver = {
|
||||
.name = "panel-nec-nl8048hl11",
|
||||
.owner = THIS_MODULE,
|
||||
.pm = NEC_8048_PM_OPS,
|
||||
.of_match_table = nec_8048_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
.probe = nec_8048_probe,
|
||||
.remove = nec_8048_remove,
|
||||
};
|
||||
|
||||
module_spi_driver(nec_8048_driver);
|
||||
|
||||
MODULE_ALIAS("spi:nec,nl8048hl11");
|
||||
MODULE_AUTHOR("Erik Gilling <konkers@android.com>");
|
||||
MODULE_DESCRIPTION("NEC-NL8048HL11 Driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
421
drivers/video/fbdev/omap2/displays-new/panel-sharp-ls037v7dw01.c
Normal file
421
drivers/video/fbdev/omap2/displays-new/panel-sharp-ls037v7dw01.c
Normal file
|
|
@ -0,0 +1,421 @@
|
|||
/*
|
||||
* 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/of.h>
|
||||
#include <linux/of_gpio.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/regulator/consumer.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;
|
||||
struct regulator *vcc;
|
||||
|
||||
int data_lines;
|
||||
|
||||
struct omap_video_timings videomode;
|
||||
|
||||
struct gpio_desc *resb_gpio; /* low = reset active min 20 us */
|
||||
struct gpio_desc *ini_gpio; /* high = power on */
|
||||
struct gpio_desc *mo_gpio; /* low = 480x640, high = 240x320 */
|
||||
struct gpio_desc *lr_gpio; /* high = conventional horizontal scanning */
|
||||
struct gpio_desc *ud_gpio; /* high = conventional vertical scanning */
|
||||
};
|
||||
|
||||
static const struct omap_video_timings sharp_ls_timings = {
|
||||
.x_res = 480,
|
||||
.y_res = 640,
|
||||
|
||||
.pixelclock = 19200000,
|
||||
|
||||
.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;
|
||||
|
||||
if (ddata->data_lines)
|
||||
in->ops.dpi->set_data_lines(in, ddata->data_lines);
|
||||
in->ops.dpi->set_timings(in, &ddata->videomode);
|
||||
|
||||
if (ddata->vcc) {
|
||||
r = regulator_enable(ddata->vcc);
|
||||
if (r != 0)
|
||||
return r;
|
||||
}
|
||||
|
||||
r = in->ops.dpi->enable(in);
|
||||
if (r) {
|
||||
regulator_disable(ddata->vcc);
|
||||
return r;
|
||||
}
|
||||
|
||||
/* wait couple of vsyncs until enabling the LCD */
|
||||
msleep(50);
|
||||
|
||||
if (ddata->resb_gpio)
|
||||
gpiod_set_value_cansleep(ddata->resb_gpio, 1);
|
||||
|
||||
if (ddata->ini_gpio)
|
||||
gpiod_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 (ddata->ini_gpio)
|
||||
gpiod_set_value_cansleep(ddata->ini_gpio, 0);
|
||||
|
||||
if (ddata->resb_gpio)
|
||||
gpiod_set_value_cansleep(ddata->resb_gpio, 0);
|
||||
|
||||
/* wait at least 5 vsyncs after disabling the LCD */
|
||||
|
||||
msleep(100);
|
||||
|
||||
in->ops.dpi->disable(in);
|
||||
|
||||
if (ddata->vcc)
|
||||
regulator_disable(ddata->vcc);
|
||||
|
||||
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_get_gpio(struct device *dev, int gpio, unsigned long flags,
|
||||
char *desc, struct gpio_desc **gpiod)
|
||||
{
|
||||
struct gpio_desc *gd;
|
||||
int r;
|
||||
|
||||
*gpiod = NULL;
|
||||
|
||||
r = devm_gpio_request_one(dev, gpio, flags, desc);
|
||||
if (r)
|
||||
return r == -ENOENT ? 0 : r;
|
||||
|
||||
gd = gpio_to_desc(gpio);
|
||||
if (IS_ERR(gd))
|
||||
return PTR_ERR(gd) == -ENOENT ? 0 : PTR_ERR(gd);
|
||||
|
||||
*gpiod = gd;
|
||||
return 0;
|
||||
}
|
||||
|
||||
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;
|
||||
int r;
|
||||
|
||||
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;
|
||||
|
||||
r = sharp_ls_get_gpio(&pdev->dev, pdata->mo_gpio, GPIOF_OUT_INIT_LOW,
|
||||
"lcd MO", &ddata->mo_gpio);
|
||||
if (r)
|
||||
return r;
|
||||
r = sharp_ls_get_gpio(&pdev->dev, pdata->lr_gpio, GPIOF_OUT_INIT_HIGH,
|
||||
"lcd LR", &ddata->lr_gpio);
|
||||
if (r)
|
||||
return r;
|
||||
r = sharp_ls_get_gpio(&pdev->dev, pdata->ud_gpio, GPIOF_OUT_INIT_HIGH,
|
||||
"lcd UD", &ddata->ud_gpio);
|
||||
if (r)
|
||||
return r;
|
||||
r = sharp_ls_get_gpio(&pdev->dev, pdata->resb_gpio, GPIOF_OUT_INIT_LOW,
|
||||
"lcd RESB", &ddata->resb_gpio);
|
||||
if (r)
|
||||
return r;
|
||||
r = sharp_ls_get_gpio(&pdev->dev, pdata->ini_gpio, GPIOF_OUT_INIT_LOW,
|
||||
"lcd INI", &ddata->ini_gpio);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sharp_ls_get_gpio_of(struct device *dev, int index, int val,
|
||||
const char *desc, struct gpio_desc **gpiod)
|
||||
{
|
||||
struct gpio_desc *gd;
|
||||
int r;
|
||||
|
||||
*gpiod = NULL;
|
||||
|
||||
gd = devm_gpiod_get_index(dev, desc, index);
|
||||
if (IS_ERR(gd))
|
||||
return PTR_ERR(gd) == -ENOENT ? 0 : PTR_ERR(gd);
|
||||
|
||||
r = gpiod_direction_output(gd, val);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
*gpiod = gd;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sharp_ls_probe_of(struct platform_device *pdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
|
||||
struct device_node *node = pdev->dev.of_node;
|
||||
struct omap_dss_device *in;
|
||||
int r;
|
||||
|
||||
ddata->vcc = devm_regulator_get(&pdev->dev, "envdd");
|
||||
if (IS_ERR(ddata->vcc)) {
|
||||
dev_err(&pdev->dev, "failed to get regulator\n");
|
||||
return PTR_ERR(ddata->vcc);
|
||||
}
|
||||
|
||||
/* lcd INI */
|
||||
r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "enable", &ddata->ini_gpio);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
/* lcd RESB */
|
||||
r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "reset", &ddata->resb_gpio);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
/* lcd MO */
|
||||
r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "mode", &ddata->mo_gpio);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
/* lcd LR */
|
||||
r = sharp_ls_get_gpio_of(&pdev->dev, 1, 1, "mode", &ddata->lr_gpio);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
/* lcd UD */
|
||||
r = sharp_ls_get_gpio_of(&pdev->dev, 2, 1, "mode", &ddata->ud_gpio);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&pdev->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
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 if (pdev->dev.of_node) {
|
||||
r = sharp_ls_probe_of(pdev);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
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:
|
||||
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 const struct of_device_id sharp_ls_of_match[] = {
|
||||
{ .compatible = "omapdss,sharp,ls037v7dw01", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, sharp_ls_of_match);
|
||||
|
||||
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,
|
||||
.of_match_table = sharp_ls_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(sharp_ls_driver);
|
||||
|
||||
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
|
||||
MODULE_DESCRIPTION("Sharp LS037V7DW01 Panel Driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
917
drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c
Normal file
917
drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c
Normal file
|
|
@ -0,0 +1,917 @@
|
|||
/*
|
||||
* Sony ACX565AKM LCD Panel driver
|
||||
*
|
||||
* Copyright (C) 2010 Nokia Corporation
|
||||
*
|
||||
* Original Driver Author: Imre Deak <imre.deak@nokia.com>
|
||||
* Based on panel-generic.c by Tomi Valkeinen <tomi.valkeinen@nokia.com>
|
||||
* Adapted to new DSS2 framework: Roger Quadros <roger.quadros@nokia.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.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along with
|
||||
* this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/spi/spi.h>
|
||||
#include <linux/jiffies.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/backlight.h>
|
||||
#include <linux/fb.h>
|
||||
#include <linux/gpio.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/of_gpio.h>
|
||||
|
||||
#include <video/omapdss.h>
|
||||
#include <video/omap-panel-data.h>
|
||||
|
||||
#define MIPID_CMD_READ_DISP_ID 0x04
|
||||
#define MIPID_CMD_READ_RED 0x06
|
||||
#define MIPID_CMD_READ_GREEN 0x07
|
||||
#define MIPID_CMD_READ_BLUE 0x08
|
||||
#define MIPID_CMD_READ_DISP_STATUS 0x09
|
||||
#define MIPID_CMD_RDDSDR 0x0F
|
||||
#define MIPID_CMD_SLEEP_IN 0x10
|
||||
#define MIPID_CMD_SLEEP_OUT 0x11
|
||||
#define MIPID_CMD_DISP_OFF 0x28
|
||||
#define MIPID_CMD_DISP_ON 0x29
|
||||
#define MIPID_CMD_WRITE_DISP_BRIGHTNESS 0x51
|
||||
#define MIPID_CMD_READ_DISP_BRIGHTNESS 0x52
|
||||
#define MIPID_CMD_WRITE_CTRL_DISP 0x53
|
||||
|
||||
#define CTRL_DISP_BRIGHTNESS_CTRL_ON (1 << 5)
|
||||
#define CTRL_DISP_AMBIENT_LIGHT_CTRL_ON (1 << 4)
|
||||
#define CTRL_DISP_BACKLIGHT_ON (1 << 2)
|
||||
#define CTRL_DISP_AUTO_BRIGHTNESS_ON (1 << 1)
|
||||
|
||||
#define MIPID_CMD_READ_CTRL_DISP 0x54
|
||||
#define MIPID_CMD_WRITE_CABC 0x55
|
||||
#define MIPID_CMD_READ_CABC 0x56
|
||||
|
||||
#define MIPID_VER_LPH8923 3
|
||||
#define MIPID_VER_LS041Y3 4
|
||||
#define MIPID_VER_L4F00311 8
|
||||
#define MIPID_VER_ACX565AKM 9
|
||||
|
||||
struct panel_drv_data {
|
||||
struct omap_dss_device dssdev;
|
||||
struct omap_dss_device *in;
|
||||
|
||||
int reset_gpio;
|
||||
int datapairs;
|
||||
|
||||
struct omap_video_timings videomode;
|
||||
|
||||
char *name;
|
||||
int enabled;
|
||||
int model;
|
||||
int revision;
|
||||
u8 display_id[3];
|
||||
unsigned has_bc:1;
|
||||
unsigned has_cabc:1;
|
||||
unsigned cabc_mode;
|
||||
unsigned long hw_guard_end; /* next value of jiffies
|
||||
when we can issue the
|
||||
next sleep in/out command */
|
||||
unsigned long hw_guard_wait; /* max guard time in jiffies */
|
||||
|
||||
struct spi_device *spi;
|
||||
struct mutex mutex;
|
||||
|
||||
struct backlight_device *bl_dev;
|
||||
};
|
||||
|
||||
static const struct omap_video_timings acx565akm_panel_timings = {
|
||||
.x_res = 800,
|
||||
.y_res = 480,
|
||||
.pixelclock = 24000000,
|
||||
.hfp = 28,
|
||||
.hsw = 4,
|
||||
.hbp = 24,
|
||||
.vfp = 3,
|
||||
.vsw = 3,
|
||||
.vbp = 4,
|
||||
|
||||
.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 void acx565akm_transfer(struct panel_drv_data *ddata, int cmd,
|
||||
const u8 *wbuf, int wlen, u8 *rbuf, int rlen)
|
||||
{
|
||||
struct spi_message m;
|
||||
struct spi_transfer *x, xfer[5];
|
||||
int r;
|
||||
|
||||
BUG_ON(ddata->spi == NULL);
|
||||
|
||||
spi_message_init(&m);
|
||||
|
||||
memset(xfer, 0, sizeof(xfer));
|
||||
x = &xfer[0];
|
||||
|
||||
cmd &= 0xff;
|
||||
x->tx_buf = &cmd;
|
||||
x->bits_per_word = 9;
|
||||
x->len = 2;
|
||||
|
||||
if (rlen > 1 && wlen == 0) {
|
||||
/*
|
||||
* Between the command and the response data there is a
|
||||
* dummy clock cycle. Add an extra bit after the command
|
||||
* word to account for this.
|
||||
*/
|
||||
x->bits_per_word = 10;
|
||||
cmd <<= 1;
|
||||
}
|
||||
spi_message_add_tail(x, &m);
|
||||
|
||||
if (wlen) {
|
||||
x++;
|
||||
x->tx_buf = wbuf;
|
||||
x->len = wlen;
|
||||
x->bits_per_word = 9;
|
||||
spi_message_add_tail(x, &m);
|
||||
}
|
||||
|
||||
if (rlen) {
|
||||
x++;
|
||||
x->rx_buf = rbuf;
|
||||
x->len = rlen;
|
||||
spi_message_add_tail(x, &m);
|
||||
}
|
||||
|
||||
r = spi_sync(ddata->spi, &m);
|
||||
if (r < 0)
|
||||
dev_dbg(&ddata->spi->dev, "spi_sync %d\n", r);
|
||||
}
|
||||
|
||||
static inline void acx565akm_cmd(struct panel_drv_data *ddata, int cmd)
|
||||
{
|
||||
acx565akm_transfer(ddata, cmd, NULL, 0, NULL, 0);
|
||||
}
|
||||
|
||||
static inline void acx565akm_write(struct panel_drv_data *ddata,
|
||||
int reg, const u8 *buf, int len)
|
||||
{
|
||||
acx565akm_transfer(ddata, reg, buf, len, NULL, 0);
|
||||
}
|
||||
|
||||
static inline void acx565akm_read(struct panel_drv_data *ddata,
|
||||
int reg, u8 *buf, int len)
|
||||
{
|
||||
acx565akm_transfer(ddata, reg, NULL, 0, buf, len);
|
||||
}
|
||||
|
||||
static void hw_guard_start(struct panel_drv_data *ddata, int guard_msec)
|
||||
{
|
||||
ddata->hw_guard_wait = msecs_to_jiffies(guard_msec);
|
||||
ddata->hw_guard_end = jiffies + ddata->hw_guard_wait;
|
||||
}
|
||||
|
||||
static void hw_guard_wait(struct panel_drv_data *ddata)
|
||||
{
|
||||
unsigned long wait = ddata->hw_guard_end - jiffies;
|
||||
|
||||
if ((long)wait > 0 && wait <= ddata->hw_guard_wait) {
|
||||
set_current_state(TASK_UNINTERRUPTIBLE);
|
||||
schedule_timeout(wait);
|
||||
}
|
||||
}
|
||||
|
||||
static void set_sleep_mode(struct panel_drv_data *ddata, int on)
|
||||
{
|
||||
int cmd;
|
||||
|
||||
if (on)
|
||||
cmd = MIPID_CMD_SLEEP_IN;
|
||||
else
|
||||
cmd = MIPID_CMD_SLEEP_OUT;
|
||||
/*
|
||||
* We have to keep 120msec between sleep in/out commands.
|
||||
* (8.2.15, 8.2.16).
|
||||
*/
|
||||
hw_guard_wait(ddata);
|
||||
acx565akm_cmd(ddata, cmd);
|
||||
hw_guard_start(ddata, 120);
|
||||
}
|
||||
|
||||
static void set_display_state(struct panel_drv_data *ddata, int enabled)
|
||||
{
|
||||
int cmd = enabled ? MIPID_CMD_DISP_ON : MIPID_CMD_DISP_OFF;
|
||||
|
||||
acx565akm_cmd(ddata, cmd);
|
||||
}
|
||||
|
||||
static int panel_enabled(struct panel_drv_data *ddata)
|
||||
{
|
||||
u32 disp_status;
|
||||
int enabled;
|
||||
|
||||
acx565akm_read(ddata, MIPID_CMD_READ_DISP_STATUS,
|
||||
(u8 *)&disp_status, 4);
|
||||
disp_status = __be32_to_cpu(disp_status);
|
||||
enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
|
||||
dev_dbg(&ddata->spi->dev,
|
||||
"LCD panel %senabled by bootloader (status 0x%04x)\n",
|
||||
enabled ? "" : "not ", disp_status);
|
||||
return enabled;
|
||||
}
|
||||
|
||||
static int panel_detect(struct panel_drv_data *ddata)
|
||||
{
|
||||
acx565akm_read(ddata, MIPID_CMD_READ_DISP_ID, ddata->display_id, 3);
|
||||
dev_dbg(&ddata->spi->dev, "MIPI display ID: %02x%02x%02x\n",
|
||||
ddata->display_id[0],
|
||||
ddata->display_id[1],
|
||||
ddata->display_id[2]);
|
||||
|
||||
switch (ddata->display_id[0]) {
|
||||
case 0x10:
|
||||
ddata->model = MIPID_VER_ACX565AKM;
|
||||
ddata->name = "acx565akm";
|
||||
ddata->has_bc = 1;
|
||||
ddata->has_cabc = 1;
|
||||
break;
|
||||
case 0x29:
|
||||
ddata->model = MIPID_VER_L4F00311;
|
||||
ddata->name = "l4f00311";
|
||||
break;
|
||||
case 0x45:
|
||||
ddata->model = MIPID_VER_LPH8923;
|
||||
ddata->name = "lph8923";
|
||||
break;
|
||||
case 0x83:
|
||||
ddata->model = MIPID_VER_LS041Y3;
|
||||
ddata->name = "ls041y3";
|
||||
break;
|
||||
default:
|
||||
ddata->name = "unknown";
|
||||
dev_err(&ddata->spi->dev, "invalid display ID\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ddata->revision = ddata->display_id[1];
|
||||
|
||||
dev_info(&ddata->spi->dev, "omapfb: %s rev %02x LCD detected\n",
|
||||
ddata->name, ddata->revision);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*----------------------Backlight Control-------------------------*/
|
||||
|
||||
static void enable_backlight_ctrl(struct panel_drv_data *ddata, int enable)
|
||||
{
|
||||
u16 ctrl;
|
||||
|
||||
acx565akm_read(ddata, MIPID_CMD_READ_CTRL_DISP, (u8 *)&ctrl, 1);
|
||||
if (enable) {
|
||||
ctrl |= CTRL_DISP_BRIGHTNESS_CTRL_ON |
|
||||
CTRL_DISP_BACKLIGHT_ON;
|
||||
} else {
|
||||
ctrl &= ~(CTRL_DISP_BRIGHTNESS_CTRL_ON |
|
||||
CTRL_DISP_BACKLIGHT_ON);
|
||||
}
|
||||
|
||||
ctrl |= 1 << 8;
|
||||
acx565akm_write(ddata, MIPID_CMD_WRITE_CTRL_DISP, (u8 *)&ctrl, 2);
|
||||
}
|
||||
|
||||
static void set_cabc_mode(struct panel_drv_data *ddata, unsigned mode)
|
||||
{
|
||||
u16 cabc_ctrl;
|
||||
|
||||
ddata->cabc_mode = mode;
|
||||
if (!ddata->enabled)
|
||||
return;
|
||||
cabc_ctrl = 0;
|
||||
acx565akm_read(ddata, MIPID_CMD_READ_CABC, (u8 *)&cabc_ctrl, 1);
|
||||
cabc_ctrl &= ~3;
|
||||
cabc_ctrl |= (1 << 8) | (mode & 3);
|
||||
acx565akm_write(ddata, MIPID_CMD_WRITE_CABC, (u8 *)&cabc_ctrl, 2);
|
||||
}
|
||||
|
||||
static unsigned get_cabc_mode(struct panel_drv_data *ddata)
|
||||
{
|
||||
return ddata->cabc_mode;
|
||||
}
|
||||
|
||||
static unsigned get_hw_cabc_mode(struct panel_drv_data *ddata)
|
||||
{
|
||||
u8 cabc_ctrl;
|
||||
|
||||
acx565akm_read(ddata, MIPID_CMD_READ_CABC, &cabc_ctrl, 1);
|
||||
return cabc_ctrl & 3;
|
||||
}
|
||||
|
||||
static void acx565akm_set_brightness(struct panel_drv_data *ddata, int level)
|
||||
{
|
||||
int bv;
|
||||
|
||||
bv = level | (1 << 8);
|
||||
acx565akm_write(ddata, MIPID_CMD_WRITE_DISP_BRIGHTNESS, (u8 *)&bv, 2);
|
||||
|
||||
if (level)
|
||||
enable_backlight_ctrl(ddata, 1);
|
||||
else
|
||||
enable_backlight_ctrl(ddata, 0);
|
||||
}
|
||||
|
||||
static int acx565akm_get_actual_brightness(struct panel_drv_data *ddata)
|
||||
{
|
||||
u8 bv;
|
||||
|
||||
acx565akm_read(ddata, MIPID_CMD_READ_DISP_BRIGHTNESS, &bv, 1);
|
||||
|
||||
return bv;
|
||||
}
|
||||
|
||||
|
||||
static int acx565akm_bl_update_status(struct backlight_device *dev)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
|
||||
int level;
|
||||
|
||||
dev_dbg(&ddata->spi->dev, "%s\n", __func__);
|
||||
|
||||
if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
|
||||
dev->props.power == FB_BLANK_UNBLANK)
|
||||
level = dev->props.brightness;
|
||||
else
|
||||
level = 0;
|
||||
|
||||
if (ddata->has_bc)
|
||||
acx565akm_set_brightness(ddata, level);
|
||||
else
|
||||
return -ENODEV;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int acx565akm_bl_get_intensity(struct backlight_device *dev)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
|
||||
|
||||
dev_dbg(&dev->dev, "%s\n", __func__);
|
||||
|
||||
if (!ddata->has_bc)
|
||||
return -ENODEV;
|
||||
|
||||
if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
|
||||
dev->props.power == FB_BLANK_UNBLANK) {
|
||||
if (ddata->has_bc)
|
||||
return acx565akm_get_actual_brightness(ddata);
|
||||
else
|
||||
return dev->props.brightness;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int acx565akm_bl_update_status_locked(struct backlight_device *dev)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
|
||||
int r;
|
||||
|
||||
mutex_lock(&ddata->mutex);
|
||||
r = acx565akm_bl_update_status(dev);
|
||||
mutex_unlock(&ddata->mutex);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static int acx565akm_bl_get_intensity_locked(struct backlight_device *dev)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
|
||||
int r;
|
||||
|
||||
mutex_lock(&ddata->mutex);
|
||||
r = acx565akm_bl_get_intensity(dev);
|
||||
mutex_unlock(&ddata->mutex);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static const struct backlight_ops acx565akm_bl_ops = {
|
||||
.get_brightness = acx565akm_bl_get_intensity_locked,
|
||||
.update_status = acx565akm_bl_update_status_locked,
|
||||
};
|
||||
|
||||
/*--------------------Auto Brightness control via Sysfs---------------------*/
|
||||
|
||||
static const char * const cabc_modes[] = {
|
||||
"off", /* always used when CABC is not supported */
|
||||
"ui",
|
||||
"still-image",
|
||||
"moving-image",
|
||||
};
|
||||
|
||||
static ssize_t show_cabc_mode(struct device *dev,
|
||||
struct device_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
const char *mode_str;
|
||||
int mode;
|
||||
int len;
|
||||
|
||||
if (!ddata->has_cabc)
|
||||
mode = 0;
|
||||
else
|
||||
mode = get_cabc_mode(ddata);
|
||||
mode_str = "unknown";
|
||||
if (mode >= 0 && mode < ARRAY_SIZE(cabc_modes))
|
||||
mode_str = cabc_modes[mode];
|
||||
len = snprintf(buf, PAGE_SIZE, "%s\n", mode_str);
|
||||
|
||||
return len < PAGE_SIZE - 1 ? len : PAGE_SIZE - 1;
|
||||
}
|
||||
|
||||
static ssize_t store_cabc_mode(struct device *dev,
|
||||
struct device_attribute *attr,
|
||||
const char *buf, size_t count)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
|
||||
const char *mode_str = cabc_modes[i];
|
||||
int cmp_len = strlen(mode_str);
|
||||
|
||||
if (count > 0 && buf[count - 1] == '\n')
|
||||
count--;
|
||||
if (count != cmp_len)
|
||||
continue;
|
||||
|
||||
if (strncmp(buf, mode_str, cmp_len) == 0)
|
||||
break;
|
||||
}
|
||||
|
||||
if (i == ARRAY_SIZE(cabc_modes))
|
||||
return -EINVAL;
|
||||
|
||||
if (!ddata->has_cabc && i != 0)
|
||||
return -EINVAL;
|
||||
|
||||
mutex_lock(&ddata->mutex);
|
||||
set_cabc_mode(ddata, i);
|
||||
mutex_unlock(&ddata->mutex);
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static ssize_t show_cabc_available_modes(struct device *dev,
|
||||
struct device_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
int len;
|
||||
int i;
|
||||
|
||||
if (!ddata->has_cabc)
|
||||
return snprintf(buf, PAGE_SIZE, "%s\n", cabc_modes[0]);
|
||||
|
||||
for (i = 0, len = 0;
|
||||
len < PAGE_SIZE && i < ARRAY_SIZE(cabc_modes); i++)
|
||||
len += snprintf(&buf[len], PAGE_SIZE - len, "%s%s%s",
|
||||
i ? " " : "", cabc_modes[i],
|
||||
i == ARRAY_SIZE(cabc_modes) - 1 ? "\n" : "");
|
||||
|
||||
return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
|
||||
}
|
||||
|
||||
static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
|
||||
show_cabc_mode, store_cabc_mode);
|
||||
static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
|
||||
show_cabc_available_modes, NULL);
|
||||
|
||||
static struct attribute *bldev_attrs[] = {
|
||||
&dev_attr_cabc_mode.attr,
|
||||
&dev_attr_cabc_available_modes.attr,
|
||||
NULL,
|
||||
};
|
||||
|
||||
static struct attribute_group bldev_attr_group = {
|
||||
.attrs = bldev_attrs,
|
||||
};
|
||||
|
||||
static int acx565akm_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.sdi->connect(in, dssdev);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void acx565akm_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.sdi->disconnect(in, dssdev);
|
||||
}
|
||||
|
||||
static int acx565akm_panel_power_on(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
int r;
|
||||
|
||||
dev_dbg(&ddata->spi->dev, "%s\n", __func__);
|
||||
|
||||
in->ops.sdi->set_timings(in, &ddata->videomode);
|
||||
|
||||
if (ddata->datapairs > 0)
|
||||
in->ops.sdi->set_datapairs(in, ddata->datapairs);
|
||||
|
||||
r = in->ops.sdi->enable(in);
|
||||
if (r) {
|
||||
pr_err("%s sdi enable failed\n", __func__);
|
||||
return r;
|
||||
}
|
||||
|
||||
/*FIXME tweak me */
|
||||
msleep(50);
|
||||
|
||||
if (gpio_is_valid(ddata->reset_gpio))
|
||||
gpio_set_value(ddata->reset_gpio, 1);
|
||||
|
||||
if (ddata->enabled) {
|
||||
dev_dbg(&ddata->spi->dev, "panel already enabled\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* We have to meet all the following delay requirements:
|
||||
* 1. tRW: reset pulse width 10usec (7.12.1)
|
||||
* 2. tRT: reset cancel time 5msec (7.12.1)
|
||||
* 3. Providing PCLK,HS,VS signals for 2 frames = ~50msec worst
|
||||
* case (7.6.2)
|
||||
* 4. 120msec before the sleep out command (7.12.1)
|
||||
*/
|
||||
msleep(120);
|
||||
|
||||
set_sleep_mode(ddata, 0);
|
||||
ddata->enabled = 1;
|
||||
|
||||
/* 5msec between sleep out and the next command. (8.2.16) */
|
||||
usleep_range(5000, 10000);
|
||||
set_display_state(ddata, 1);
|
||||
set_cabc_mode(ddata, ddata->cabc_mode);
|
||||
|
||||
return acx565akm_bl_update_status(ddata->bl_dev);
|
||||
}
|
||||
|
||||
static void acx565akm_panel_power_off(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
dev_dbg(dssdev->dev, "%s\n", __func__);
|
||||
|
||||
if (!ddata->enabled)
|
||||
return;
|
||||
|
||||
set_display_state(ddata, 0);
|
||||
set_sleep_mode(ddata, 1);
|
||||
ddata->enabled = 0;
|
||||
/*
|
||||
* We have to provide PCLK,HS,VS signals for 2 frames (worst case
|
||||
* ~50msec) after sending the sleep in command and asserting the
|
||||
* reset signal. We probably could assert the reset w/o the delay
|
||||
* but we still delay to avoid possible artifacts. (7.6.1)
|
||||
*/
|
||||
msleep(50);
|
||||
|
||||
if (gpio_is_valid(ddata->reset_gpio))
|
||||
gpio_set_value(ddata->reset_gpio, 0);
|
||||
|
||||
/* FIXME need to tweak this delay */
|
||||
msleep(100);
|
||||
|
||||
in->ops.sdi->disable(in);
|
||||
}
|
||||
|
||||
static int acx565akm_enable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
int r;
|
||||
|
||||
dev_dbg(dssdev->dev, "%s\n", __func__);
|
||||
|
||||
if (!omapdss_device_is_connected(dssdev))
|
||||
return -ENODEV;
|
||||
|
||||
if (omapdss_device_is_enabled(dssdev))
|
||||
return 0;
|
||||
|
||||
mutex_lock(&ddata->mutex);
|
||||
r = acx565akm_panel_power_on(dssdev);
|
||||
mutex_unlock(&ddata->mutex);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void acx565akm_disable(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = to_panel_data(dssdev);
|
||||
|
||||
dev_dbg(dssdev->dev, "%s\n", __func__);
|
||||
|
||||
if (!omapdss_device_is_enabled(dssdev))
|
||||
return;
|
||||
|
||||
mutex_lock(&ddata->mutex);
|
||||
acx565akm_panel_power_off(dssdev);
|
||||
mutex_unlock(&ddata->mutex);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void acx565akm_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.sdi->set_timings(in, timings);
|
||||
}
|
||||
|
||||
static void acx565akm_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 acx565akm_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.sdi->check_timings(in, timings);
|
||||
}
|
||||
|
||||
static struct omap_dss_driver acx565akm_ops = {
|
||||
.connect = acx565akm_connect,
|
||||
.disconnect = acx565akm_disconnect,
|
||||
|
||||
.enable = acx565akm_enable,
|
||||
.disable = acx565akm_disable,
|
||||
|
||||
.set_timings = acx565akm_set_timings,
|
||||
.get_timings = acx565akm_get_timings,
|
||||
.check_timings = acx565akm_check_timings,
|
||||
|
||||
.get_resolution = omapdss_default_get_resolution,
|
||||
};
|
||||
|
||||
static int acx565akm_probe_pdata(struct spi_device *spi)
|
||||
{
|
||||
const struct panel_acx565akm_platform_data *pdata;
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *dssdev, *in;
|
||||
|
||||
pdata = dev_get_platdata(&spi->dev);
|
||||
|
||||
ddata->reset_gpio = pdata->reset_gpio;
|
||||
|
||||
in = omap_dss_find_output(pdata->source);
|
||||
if (in == NULL) {
|
||||
dev_err(&spi->dev, "failed to find video source '%s'\n",
|
||||
pdata->source);
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
ddata->in = in;
|
||||
|
||||
ddata->datapairs = pdata->datapairs;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->name = pdata->name;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int acx565akm_probe_of(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct device_node *np = spi->dev.of_node;
|
||||
|
||||
ddata->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0);
|
||||
|
||||
ddata->in = omapdss_of_find_source_for_first_ep(np);
|
||||
if (IS_ERR(ddata->in)) {
|
||||
dev_err(&spi->dev, "failed to find video source\n");
|
||||
return PTR_ERR(ddata->in);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int acx565akm_probe(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata;
|
||||
struct omap_dss_device *dssdev;
|
||||
struct backlight_device *bldev;
|
||||
int max_brightness, brightness;
|
||||
struct backlight_properties props;
|
||||
int r;
|
||||
|
||||
dev_dbg(&spi->dev, "%s\n", __func__);
|
||||
|
||||
spi->mode = SPI_MODE_3;
|
||||
|
||||
ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
|
||||
if (ddata == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
dev_set_drvdata(&spi->dev, ddata);
|
||||
|
||||
ddata->spi = spi;
|
||||
|
||||
mutex_init(&ddata->mutex);
|
||||
|
||||
if (dev_get_platdata(&spi->dev)) {
|
||||
r = acx565akm_probe_pdata(spi);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (spi->dev.of_node) {
|
||||
r = acx565akm_probe_of(spi);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
dev_err(&spi->dev, "platform data missing!\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->reset_gpio)) {
|
||||
r = devm_gpio_request_one(&spi->dev, ddata->reset_gpio,
|
||||
GPIOF_OUT_INIT_LOW, "lcd reset");
|
||||
if (r)
|
||||
goto err_gpio;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->reset_gpio))
|
||||
gpio_set_value(ddata->reset_gpio, 1);
|
||||
|
||||
/*
|
||||
* After reset we have to wait 5 msec before the first
|
||||
* command can be sent.
|
||||
*/
|
||||
usleep_range(5000, 10000);
|
||||
|
||||
ddata->enabled = panel_enabled(ddata);
|
||||
|
||||
r = panel_detect(ddata);
|
||||
|
||||
if (!ddata->enabled && gpio_is_valid(ddata->reset_gpio))
|
||||
gpio_set_value(ddata->reset_gpio, 0);
|
||||
|
||||
if (r) {
|
||||
dev_err(&spi->dev, "%s panel detect error\n", __func__);
|
||||
goto err_detect;
|
||||
}
|
||||
|
||||
memset(&props, 0, sizeof(props));
|
||||
props.fb_blank = FB_BLANK_UNBLANK;
|
||||
props.power = FB_BLANK_UNBLANK;
|
||||
props.type = BACKLIGHT_RAW;
|
||||
|
||||
bldev = backlight_device_register("acx565akm", &ddata->spi->dev,
|
||||
ddata, &acx565akm_bl_ops, &props);
|
||||
if (IS_ERR(bldev)) {
|
||||
r = PTR_ERR(bldev);
|
||||
goto err_reg_bl;
|
||||
}
|
||||
ddata->bl_dev = bldev;
|
||||
if (ddata->has_cabc) {
|
||||
r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group);
|
||||
if (r) {
|
||||
dev_err(&bldev->dev,
|
||||
"%s failed to create sysfs files\n", __func__);
|
||||
goto err_sysfs;
|
||||
}
|
||||
ddata->cabc_mode = get_hw_cabc_mode(ddata);
|
||||
}
|
||||
|
||||
max_brightness = 255;
|
||||
|
||||
if (ddata->has_bc)
|
||||
brightness = acx565akm_get_actual_brightness(ddata);
|
||||
else
|
||||
brightness = 0;
|
||||
|
||||
bldev->props.max_brightness = max_brightness;
|
||||
bldev->props.brightness = brightness;
|
||||
|
||||
acx565akm_bl_update_status(bldev);
|
||||
|
||||
|
||||
ddata->videomode = acx565akm_panel_timings;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->dev = &spi->dev;
|
||||
dssdev->driver = &acx565akm_ops;
|
||||
dssdev->type = OMAP_DISPLAY_TYPE_SDI;
|
||||
dssdev->owner = THIS_MODULE;
|
||||
dssdev->panel.timings = ddata->videomode;
|
||||
|
||||
r = omapdss_register_display(dssdev);
|
||||
if (r) {
|
||||
dev_err(&spi->dev, "Failed to register panel\n");
|
||||
goto err_reg;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_reg:
|
||||
sysfs_remove_group(&bldev->dev.kobj, &bldev_attr_group);
|
||||
err_sysfs:
|
||||
backlight_device_unregister(bldev);
|
||||
err_reg_bl:
|
||||
err_detect:
|
||||
err_gpio:
|
||||
omap_dss_put_device(ddata->in);
|
||||
return r;
|
||||
}
|
||||
|
||||
static int acx565akm_remove(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *dssdev = &ddata->dssdev;
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
dev_dbg(&ddata->spi->dev, "%s\n", __func__);
|
||||
|
||||
sysfs_remove_group(&ddata->bl_dev->dev.kobj, &bldev_attr_group);
|
||||
backlight_device_unregister(ddata->bl_dev);
|
||||
|
||||
omapdss_unregister_display(dssdev);
|
||||
|
||||
acx565akm_disable(dssdev);
|
||||
acx565akm_disconnect(dssdev);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id acx565akm_of_match[] = {
|
||||
{ .compatible = "omapdss,sony,acx565akm", },
|
||||
{},
|
||||
};
|
||||
|
||||
static struct spi_driver acx565akm_driver = {
|
||||
.driver = {
|
||||
.name = "acx565akm",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = acx565akm_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
.probe = acx565akm_probe,
|
||||
.remove = acx565akm_remove,
|
||||
};
|
||||
|
||||
module_spi_driver(acx565akm_driver);
|
||||
|
||||
MODULE_AUTHOR("Nokia Corporation");
|
||||
MODULE_DESCRIPTION("acx565akm LCD Driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
512
drivers/video/fbdev/omap2/displays-new/panel-tpo-td028ttec1.c
Normal file
512
drivers/video/fbdev/omap2/displays-new/panel-tpo-td028ttec1.c
Normal file
|
|
@ -0,0 +1,512 @@
|
|||
/*
|
||||
* Toppoly TD028TTEC1 panel support
|
||||
*
|
||||
* Copyright (C) 2008 Nokia Corporation
|
||||
* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
|
||||
*
|
||||
* Neo 1973 code (jbt6k74.c):
|
||||
* Copyright (C) 2006-2007 by OpenMoko, Inc.
|
||||
* Author: Harald Welte <laforge@openmoko.org>
|
||||
*
|
||||
* Ported and adapted from Neo 1973 U-Boot by:
|
||||
* H. Nikolaus Schaller <hns@goldelico.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.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along with
|
||||
* this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/spi/spi.h>
|
||||
#include <linux/gpio.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;
|
||||
|
||||
struct spi_device *spi_dev;
|
||||
};
|
||||
|
||||
static struct omap_video_timings td028ttec1_panel_timings = {
|
||||
.x_res = 480,
|
||||
.y_res = 640,
|
||||
.pixelclock = 22153000,
|
||||
.hfp = 24,
|
||||
.hsw = 8,
|
||||
.hbp = 8,
|
||||
.vfp = 4,
|
||||
.vsw = 2,
|
||||
.vbp = 2,
|
||||
|
||||
.vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
|
||||
.hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
|
||||
|
||||
.data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
|
||||
.de_level = OMAPDSS_SIG_ACTIVE_HIGH,
|
||||
.sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
|
||||
};
|
||||
|
||||
#define JBT_COMMAND 0x000
|
||||
#define JBT_DATA 0x100
|
||||
|
||||
static int jbt_ret_write_0(struct panel_drv_data *ddata, u8 reg)
|
||||
{
|
||||
int rc;
|
||||
u16 tx_buf = JBT_COMMAND | reg;
|
||||
|
||||
rc = spi_write(ddata->spi_dev, (u8 *)&tx_buf,
|
||||
1*sizeof(u16));
|
||||
if (rc != 0)
|
||||
dev_err(&ddata->spi_dev->dev,
|
||||
"jbt_ret_write_0 spi_write ret %d\n", rc);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int jbt_reg_write_1(struct panel_drv_data *ddata, u8 reg, u8 data)
|
||||
{
|
||||
int rc;
|
||||
u16 tx_buf[2];
|
||||
|
||||
tx_buf[0] = JBT_COMMAND | reg;
|
||||
tx_buf[1] = JBT_DATA | data;
|
||||
rc = spi_write(ddata->spi_dev, (u8 *)tx_buf,
|
||||
2*sizeof(u16));
|
||||
if (rc != 0)
|
||||
dev_err(&ddata->spi_dev->dev,
|
||||
"jbt_reg_write_1 spi_write ret %d\n", rc);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int jbt_reg_write_2(struct panel_drv_data *ddata, u8 reg, u16 data)
|
||||
{
|
||||
int rc;
|
||||
u16 tx_buf[3];
|
||||
|
||||
tx_buf[0] = JBT_COMMAND | reg;
|
||||
tx_buf[1] = JBT_DATA | (data >> 8);
|
||||
tx_buf[2] = JBT_DATA | (data & 0xff);
|
||||
|
||||
rc = spi_write(ddata->spi_dev, (u8 *)tx_buf,
|
||||
3*sizeof(u16));
|
||||
|
||||
if (rc != 0)
|
||||
dev_err(&ddata->spi_dev->dev,
|
||||
"jbt_reg_write_2 spi_write ret %d\n", rc);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
enum jbt_register {
|
||||
JBT_REG_SLEEP_IN = 0x10,
|
||||
JBT_REG_SLEEP_OUT = 0x11,
|
||||
|
||||
JBT_REG_DISPLAY_OFF = 0x28,
|
||||
JBT_REG_DISPLAY_ON = 0x29,
|
||||
|
||||
JBT_REG_RGB_FORMAT = 0x3a,
|
||||
JBT_REG_QUAD_RATE = 0x3b,
|
||||
|
||||
JBT_REG_POWER_ON_OFF = 0xb0,
|
||||
JBT_REG_BOOSTER_OP = 0xb1,
|
||||
JBT_REG_BOOSTER_MODE = 0xb2,
|
||||
JBT_REG_BOOSTER_FREQ = 0xb3,
|
||||
JBT_REG_OPAMP_SYSCLK = 0xb4,
|
||||
JBT_REG_VSC_VOLTAGE = 0xb5,
|
||||
JBT_REG_VCOM_VOLTAGE = 0xb6,
|
||||
JBT_REG_EXT_DISPL = 0xb7,
|
||||
JBT_REG_OUTPUT_CONTROL = 0xb8,
|
||||
JBT_REG_DCCLK_DCEV = 0xb9,
|
||||
JBT_REG_DISPLAY_MODE1 = 0xba,
|
||||
JBT_REG_DISPLAY_MODE2 = 0xbb,
|
||||
JBT_REG_DISPLAY_MODE = 0xbc,
|
||||
JBT_REG_ASW_SLEW = 0xbd,
|
||||
JBT_REG_DUMMY_DISPLAY = 0xbe,
|
||||
JBT_REG_DRIVE_SYSTEM = 0xbf,
|
||||
|
||||
JBT_REG_SLEEP_OUT_FR_A = 0xc0,
|
||||
JBT_REG_SLEEP_OUT_FR_B = 0xc1,
|
||||
JBT_REG_SLEEP_OUT_FR_C = 0xc2,
|
||||
JBT_REG_SLEEP_IN_LCCNT_D = 0xc3,
|
||||
JBT_REG_SLEEP_IN_LCCNT_E = 0xc4,
|
||||
JBT_REG_SLEEP_IN_LCCNT_F = 0xc5,
|
||||
JBT_REG_SLEEP_IN_LCCNT_G = 0xc6,
|
||||
|
||||
JBT_REG_GAMMA1_FINE_1 = 0xc7,
|
||||
JBT_REG_GAMMA1_FINE_2 = 0xc8,
|
||||
JBT_REG_GAMMA1_INCLINATION = 0xc9,
|
||||
JBT_REG_GAMMA1_BLUE_OFFSET = 0xca,
|
||||
|
||||
JBT_REG_BLANK_CONTROL = 0xcf,
|
||||
JBT_REG_BLANK_TH_TV = 0xd0,
|
||||
JBT_REG_CKV_ON_OFF = 0xd1,
|
||||
JBT_REG_CKV_1_2 = 0xd2,
|
||||
JBT_REG_OEV_TIMING = 0xd3,
|
||||
JBT_REG_ASW_TIMING_1 = 0xd4,
|
||||
JBT_REG_ASW_TIMING_2 = 0xd5,
|
||||
|
||||
JBT_REG_HCLOCK_VGA = 0xec,
|
||||
JBT_REG_HCLOCK_QVGA = 0xed,
|
||||
};
|
||||
|
||||
#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
|
||||
|
||||
static int td028ttec1_panel_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 td028ttec1_panel_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 td028ttec1_panel_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;
|
||||
|
||||
if (ddata->data_lines)
|
||||
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;
|
||||
|
||||
dev_dbg(dssdev->dev, "td028ttec1_panel_enable() - state %d\n",
|
||||
dssdev->state);
|
||||
|
||||
/* three times command zero */
|
||||
r |= jbt_ret_write_0(ddata, 0x00);
|
||||
usleep_range(1000, 2000);
|
||||
r |= jbt_ret_write_0(ddata, 0x00);
|
||||
usleep_range(1000, 2000);
|
||||
r |= jbt_ret_write_0(ddata, 0x00);
|
||||
usleep_range(1000, 2000);
|
||||
|
||||
if (r) {
|
||||
dev_warn(dssdev->dev, "transfer error\n");
|
||||
goto transfer_err;
|
||||
}
|
||||
|
||||
/* deep standby out */
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x17);
|
||||
|
||||
/* RGB I/F on, RAM write off, QVGA through, SIGCON enable */
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_DISPLAY_MODE, 0x80);
|
||||
|
||||
/* Quad mode off */
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_QUAD_RATE, 0x00);
|
||||
|
||||
/* AVDD on, XVDD on */
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x16);
|
||||
|
||||
/* Output control */
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_OUTPUT_CONTROL, 0xfff9);
|
||||
|
||||
/* Sleep mode off */
|
||||
r |= jbt_ret_write_0(ddata, JBT_REG_SLEEP_OUT);
|
||||
|
||||
/* at this point we have like 50% grey */
|
||||
|
||||
/* initialize register set */
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_DISPLAY_MODE1, 0x01);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_DISPLAY_MODE2, 0x00);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_RGB_FORMAT, 0x60);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_DRIVE_SYSTEM, 0x10);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_BOOSTER_OP, 0x56);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_BOOSTER_MODE, 0x33);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_BOOSTER_FREQ, 0x11);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_BOOSTER_FREQ, 0x11);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_OPAMP_SYSCLK, 0x02);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_VSC_VOLTAGE, 0x2b);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_VCOM_VOLTAGE, 0x40);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_EXT_DISPL, 0x03);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_DCCLK_DCEV, 0x04);
|
||||
/*
|
||||
* default of 0x02 in JBT_REG_ASW_SLEW responsible for 72Hz requirement
|
||||
* to avoid red / blue flicker
|
||||
*/
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_ASW_SLEW, 0x04);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_DUMMY_DISPLAY, 0x00);
|
||||
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_SLEEP_OUT_FR_A, 0x11);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_SLEEP_OUT_FR_B, 0x11);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_SLEEP_OUT_FR_C, 0x11);
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_SLEEP_IN_LCCNT_D, 0x2040);
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_SLEEP_IN_LCCNT_E, 0x60c0);
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_SLEEP_IN_LCCNT_F, 0x1020);
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_SLEEP_IN_LCCNT_G, 0x60c0);
|
||||
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_GAMMA1_FINE_1, 0x5533);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_GAMMA1_FINE_2, 0x00);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_GAMMA1_INCLINATION, 0x00);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_GAMMA1_BLUE_OFFSET, 0x00);
|
||||
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_HCLOCK_VGA, 0x1f0);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_BLANK_CONTROL, 0x02);
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_BLANK_TH_TV, 0x0804);
|
||||
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_CKV_ON_OFF, 0x01);
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_CKV_1_2, 0x0000);
|
||||
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_OEV_TIMING, 0x0d0e);
|
||||
r |= jbt_reg_write_2(ddata, JBT_REG_ASW_TIMING_1, 0x11a4);
|
||||
r |= jbt_reg_write_1(ddata, JBT_REG_ASW_TIMING_2, 0x0e);
|
||||
|
||||
r |= jbt_ret_write_0(ddata, JBT_REG_DISPLAY_ON);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
transfer_err:
|
||||
|
||||
return r ? -EIO : 0;
|
||||
}
|
||||
|
||||
static void td028ttec1_panel_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;
|
||||
|
||||
dev_dbg(dssdev->dev, "td028ttec1_panel_disable()\n");
|
||||
|
||||
jbt_ret_write_0(ddata, JBT_REG_DISPLAY_OFF);
|
||||
jbt_reg_write_2(ddata, JBT_REG_OUTPUT_CONTROL, 0x8002);
|
||||
jbt_ret_write_0(ddata, JBT_REG_SLEEP_IN);
|
||||
jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x00);
|
||||
|
||||
in->ops.dpi->disable(in);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void td028ttec1_panel_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 td028ttec1_panel_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 td028ttec1_panel_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 td028ttec1_ops = {
|
||||
.connect = td028ttec1_panel_connect,
|
||||
.disconnect = td028ttec1_panel_disconnect,
|
||||
|
||||
.enable = td028ttec1_panel_enable,
|
||||
.disable = td028ttec1_panel_disable,
|
||||
|
||||
.set_timings = td028ttec1_panel_set_timings,
|
||||
.get_timings = td028ttec1_panel_get_timings,
|
||||
.check_timings = td028ttec1_panel_check_timings,
|
||||
};
|
||||
|
||||
static int td028ttec1_panel_probe_pdata(struct spi_device *spi)
|
||||
{
|
||||
const struct panel_tpo_td028ttec1_platform_data *pdata;
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *dssdev, *in;
|
||||
|
||||
pdata = dev_get_platdata(&spi->dev);
|
||||
|
||||
in = omap_dss_find_output(pdata->source);
|
||||
if (in == NULL) {
|
||||
dev_err(&spi->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;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int td028ttec1_probe_of(struct spi_device *spi)
|
||||
{
|
||||
struct device_node *node = spi->dev.of_node;
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *in;
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&spi->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int td028ttec1_panel_probe(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata;
|
||||
struct omap_dss_device *dssdev;
|
||||
int r;
|
||||
|
||||
dev_dbg(&spi->dev, "%s\n", __func__);
|
||||
|
||||
spi->bits_per_word = 9;
|
||||
spi->mode = SPI_MODE_3;
|
||||
|
||||
r = spi_setup(spi);
|
||||
if (r < 0) {
|
||||
dev_err(&spi->dev, "spi_setup failed: %d\n", r);
|
||||
return r;
|
||||
}
|
||||
|
||||
ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
|
||||
if (ddata == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
dev_set_drvdata(&spi->dev, ddata);
|
||||
|
||||
ddata->spi_dev = spi;
|
||||
|
||||
if (dev_get_platdata(&spi->dev)) {
|
||||
r = td028ttec1_panel_probe_pdata(spi);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (spi->dev.of_node) {
|
||||
r = td028ttec1_probe_of(spi);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ddata->videomode = td028ttec1_panel_timings;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->dev = &spi->dev;
|
||||
dssdev->driver = &td028ttec1_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(&spi->dev, "Failed to register panel\n");
|
||||
goto err_reg;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_reg:
|
||||
omap_dss_put_device(ddata->in);
|
||||
return r;
|
||||
}
|
||||
|
||||
static int td028ttec1_panel_remove(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *dssdev = &ddata->dssdev;
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
dev_dbg(&ddata->spi_dev->dev, "%s\n", __func__);
|
||||
|
||||
omapdss_unregister_display(dssdev);
|
||||
|
||||
td028ttec1_panel_disable(dssdev);
|
||||
td028ttec1_panel_disconnect(dssdev);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id td028ttec1_of_match[] = {
|
||||
{ .compatible = "omapdss,toppoly,td028ttec1", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, td028ttec1_of_match);
|
||||
|
||||
static struct spi_driver td028ttec1_spi_driver = {
|
||||
.probe = td028ttec1_panel_probe,
|
||||
.remove = td028ttec1_panel_remove,
|
||||
|
||||
.driver = {
|
||||
.name = "panel-tpo-td028ttec1",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = td028ttec1_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
};
|
||||
|
||||
module_spi_driver(td028ttec1_spi_driver);
|
||||
|
||||
MODULE_ALIAS("spi:toppoly,td028ttec1");
|
||||
MODULE_AUTHOR("H. Nikolaus Schaller <hns@goldelico.com>");
|
||||
MODULE_DESCRIPTION("Toppoly TD028TTEC1 panel driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
687
drivers/video/fbdev/omap2/displays-new/panel-tpo-td043mtea1.c
Normal file
687
drivers/video/fbdev/omap2/displays-new/panel-tpo-td043mtea1.c
Normal file
|
|
@ -0,0 +1,687 @@
|
|||
/*
|
||||
* TPO TD043MTEA1 Panel driver
|
||||
*
|
||||
* Author: Gražvydas Ignotas <notasas@gmail.com>
|
||||
* Converted to new DSS device model: 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 as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/spi/spi.h>
|
||||
#include <linux/regulator/consumer.h>
|
||||
#include <linux/gpio.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/of_gpio.h>
|
||||
|
||||
#include <video/omapdss.h>
|
||||
#include <video/omap-panel-data.h>
|
||||
|
||||
#define TPO_R02_MODE(x) ((x) & 7)
|
||||
#define TPO_R02_MODE_800x480 7
|
||||
#define TPO_R02_NCLK_RISING BIT(3)
|
||||
#define TPO_R02_HSYNC_HIGH BIT(4)
|
||||
#define TPO_R02_VSYNC_HIGH BIT(5)
|
||||
|
||||
#define TPO_R03_NSTANDBY BIT(0)
|
||||
#define TPO_R03_EN_CP_CLK BIT(1)
|
||||
#define TPO_R03_EN_VGL_PUMP BIT(2)
|
||||
#define TPO_R03_EN_PWM BIT(3)
|
||||
#define TPO_R03_DRIVING_CAP_100 BIT(4)
|
||||
#define TPO_R03_EN_PRE_CHARGE BIT(6)
|
||||
#define TPO_R03_SOFTWARE_CTL BIT(7)
|
||||
|
||||
#define TPO_R04_NFLIP_H BIT(0)
|
||||
#define TPO_R04_NFLIP_V BIT(1)
|
||||
#define TPO_R04_CP_CLK_FREQ_1H BIT(2)
|
||||
#define TPO_R04_VGL_FREQ_1H BIT(4)
|
||||
|
||||
#define TPO_R03_VAL_NORMAL (TPO_R03_NSTANDBY | TPO_R03_EN_CP_CLK | \
|
||||
TPO_R03_EN_VGL_PUMP | TPO_R03_EN_PWM | \
|
||||
TPO_R03_DRIVING_CAP_100 | TPO_R03_EN_PRE_CHARGE | \
|
||||
TPO_R03_SOFTWARE_CTL)
|
||||
|
||||
#define TPO_R03_VAL_STANDBY (TPO_R03_DRIVING_CAP_100 | \
|
||||
TPO_R03_EN_PRE_CHARGE | TPO_R03_SOFTWARE_CTL)
|
||||
|
||||
static const u16 tpo_td043_def_gamma[12] = {
|
||||
105, 315, 381, 431, 490, 537, 579, 686, 780, 837, 880, 1023
|
||||
};
|
||||
|
||||
struct panel_drv_data {
|
||||
struct omap_dss_device dssdev;
|
||||
struct omap_dss_device *in;
|
||||
|
||||
struct omap_video_timings videomode;
|
||||
|
||||
int data_lines;
|
||||
|
||||
struct spi_device *spi;
|
||||
struct regulator *vcc_reg;
|
||||
int nreset_gpio;
|
||||
u16 gamma[12];
|
||||
u32 mode;
|
||||
u32 hmirror:1;
|
||||
u32 vmirror:1;
|
||||
u32 powered_on:1;
|
||||
u32 spi_suspended:1;
|
||||
u32 power_on_resume:1;
|
||||
};
|
||||
|
||||
static const struct omap_video_timings tpo_td043_timings = {
|
||||
.x_res = 800,
|
||||
.y_res = 480,
|
||||
|
||||
.pixelclock = 36000000,
|
||||
|
||||
.hsw = 1,
|
||||
.hfp = 68,
|
||||
.hbp = 214,
|
||||
|
||||
.vsw = 1,
|
||||
.vfp = 39,
|
||||
.vbp = 34,
|
||||
|
||||
.vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
|
||||
.hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
|
||||
.data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_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 tpo_td043_write(struct spi_device *spi, u8 addr, u8 data)
|
||||
{
|
||||
struct spi_message m;
|
||||
struct spi_transfer xfer;
|
||||
u16 w;
|
||||
int r;
|
||||
|
||||
spi_message_init(&m);
|
||||
|
||||
memset(&xfer, 0, sizeof(xfer));
|
||||
|
||||
w = ((u16)addr << 10) | (1 << 8) | data;
|
||||
xfer.tx_buf = &w;
|
||||
xfer.bits_per_word = 16;
|
||||
xfer.len = 2;
|
||||
spi_message_add_tail(&xfer, &m);
|
||||
|
||||
r = spi_sync(spi, &m);
|
||||
if (r < 0)
|
||||
dev_warn(&spi->dev, "failed to write to LCD reg (%d)\n", r);
|
||||
return r;
|
||||
}
|
||||
|
||||
static void tpo_td043_write_gamma(struct spi_device *spi, u16 gamma[12])
|
||||
{
|
||||
u8 i, val;
|
||||
|
||||
/* gamma bits [9:8] */
|
||||
for (val = i = 0; i < 4; i++)
|
||||
val |= (gamma[i] & 0x300) >> ((i + 1) * 2);
|
||||
tpo_td043_write(spi, 0x11, val);
|
||||
|
||||
for (val = i = 0; i < 4; i++)
|
||||
val |= (gamma[i+4] & 0x300) >> ((i + 1) * 2);
|
||||
tpo_td043_write(spi, 0x12, val);
|
||||
|
||||
for (val = i = 0; i < 4; i++)
|
||||
val |= (gamma[i+8] & 0x300) >> ((i + 1) * 2);
|
||||
tpo_td043_write(spi, 0x13, val);
|
||||
|
||||
/* gamma bits [7:0] */
|
||||
for (val = i = 0; i < 12; i++)
|
||||
tpo_td043_write(spi, 0x14 + i, gamma[i] & 0xff);
|
||||
}
|
||||
|
||||
static int tpo_td043_write_mirror(struct spi_device *spi, bool h, bool v)
|
||||
{
|
||||
u8 reg4 = TPO_R04_NFLIP_H | TPO_R04_NFLIP_V |
|
||||
TPO_R04_CP_CLK_FREQ_1H | TPO_R04_VGL_FREQ_1H;
|
||||
if (h)
|
||||
reg4 &= ~TPO_R04_NFLIP_H;
|
||||
if (v)
|
||||
reg4 &= ~TPO_R04_NFLIP_V;
|
||||
|
||||
return tpo_td043_write(spi, 4, reg4);
|
||||
}
|
||||
|
||||
static int tpo_td043_set_hmirror(struct omap_dss_device *dssdev, bool enable)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
|
||||
|
||||
ddata->hmirror = enable;
|
||||
return tpo_td043_write_mirror(ddata->spi, ddata->hmirror,
|
||||
ddata->vmirror);
|
||||
}
|
||||
|
||||
static bool tpo_td043_get_hmirror(struct omap_dss_device *dssdev)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
|
||||
|
||||
return ddata->hmirror;
|
||||
}
|
||||
|
||||
static ssize_t tpo_td043_vmirror_show(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
|
||||
return snprintf(buf, PAGE_SIZE, "%d\n", ddata->vmirror);
|
||||
}
|
||||
|
||||
static ssize_t tpo_td043_vmirror_store(struct device *dev,
|
||||
struct device_attribute *attr, const char *buf, size_t count)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
int val;
|
||||
int ret;
|
||||
|
||||
ret = kstrtoint(buf, 0, &val);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
val = !!val;
|
||||
|
||||
ret = tpo_td043_write_mirror(ddata->spi, ddata->hmirror, val);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ddata->vmirror = val;
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static ssize_t tpo_td043_mode_show(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
|
||||
return snprintf(buf, PAGE_SIZE, "%d\n", ddata->mode);
|
||||
}
|
||||
|
||||
static ssize_t tpo_td043_mode_store(struct device *dev,
|
||||
struct device_attribute *attr, const char *buf, size_t count)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
long val;
|
||||
int ret;
|
||||
|
||||
ret = kstrtol(buf, 0, &val);
|
||||
if (ret != 0 || val & ~7)
|
||||
return -EINVAL;
|
||||
|
||||
ddata->mode = val;
|
||||
|
||||
val |= TPO_R02_NCLK_RISING;
|
||||
tpo_td043_write(ddata->spi, 2, val);
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static ssize_t tpo_td043_gamma_show(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
ssize_t len = 0;
|
||||
int ret;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(ddata->gamma); i++) {
|
||||
ret = snprintf(buf + len, PAGE_SIZE - len, "%u ",
|
||||
ddata->gamma[i]);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
len += ret;
|
||||
}
|
||||
buf[len - 1] = '\n';
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static ssize_t tpo_td043_gamma_store(struct device *dev,
|
||||
struct device_attribute *attr, const char *buf, size_t count)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
unsigned int g[12];
|
||||
int ret;
|
||||
int i;
|
||||
|
||||
ret = sscanf(buf, "%u %u %u %u %u %u %u %u %u %u %u %u",
|
||||
&g[0], &g[1], &g[2], &g[3], &g[4], &g[5],
|
||||
&g[6], &g[7], &g[8], &g[9], &g[10], &g[11]);
|
||||
|
||||
if (ret != 12)
|
||||
return -EINVAL;
|
||||
|
||||
for (i = 0; i < 12; i++)
|
||||
ddata->gamma[i] = g[i];
|
||||
|
||||
tpo_td043_write_gamma(ddata->spi, ddata->gamma);
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static DEVICE_ATTR(vmirror, S_IRUGO | S_IWUSR,
|
||||
tpo_td043_vmirror_show, tpo_td043_vmirror_store);
|
||||
static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
|
||||
tpo_td043_mode_show, tpo_td043_mode_store);
|
||||
static DEVICE_ATTR(gamma, S_IRUGO | S_IWUSR,
|
||||
tpo_td043_gamma_show, tpo_td043_gamma_store);
|
||||
|
||||
static struct attribute *tpo_td043_attrs[] = {
|
||||
&dev_attr_vmirror.attr,
|
||||
&dev_attr_mode.attr,
|
||||
&dev_attr_gamma.attr,
|
||||
NULL,
|
||||
};
|
||||
|
||||
static struct attribute_group tpo_td043_attr_group = {
|
||||
.attrs = tpo_td043_attrs,
|
||||
};
|
||||
|
||||
static int tpo_td043_power_on(struct panel_drv_data *ddata)
|
||||
{
|
||||
int r;
|
||||
|
||||
if (ddata->powered_on)
|
||||
return 0;
|
||||
|
||||
r = regulator_enable(ddata->vcc_reg);
|
||||
if (r != 0)
|
||||
return r;
|
||||
|
||||
/* wait for panel to stabilize */
|
||||
msleep(160);
|
||||
|
||||
if (gpio_is_valid(ddata->nreset_gpio))
|
||||
gpio_set_value(ddata->nreset_gpio, 1);
|
||||
|
||||
tpo_td043_write(ddata->spi, 2,
|
||||
TPO_R02_MODE(ddata->mode) | TPO_R02_NCLK_RISING);
|
||||
tpo_td043_write(ddata->spi, 3, TPO_R03_VAL_NORMAL);
|
||||
tpo_td043_write(ddata->spi, 0x20, 0xf0);
|
||||
tpo_td043_write(ddata->spi, 0x21, 0xf0);
|
||||
tpo_td043_write_mirror(ddata->spi, ddata->hmirror,
|
||||
ddata->vmirror);
|
||||
tpo_td043_write_gamma(ddata->spi, ddata->gamma);
|
||||
|
||||
ddata->powered_on = 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void tpo_td043_power_off(struct panel_drv_data *ddata)
|
||||
{
|
||||
if (!ddata->powered_on)
|
||||
return;
|
||||
|
||||
tpo_td043_write(ddata->spi, 3,
|
||||
TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM);
|
||||
|
||||
if (gpio_is_valid(ddata->nreset_gpio))
|
||||
gpio_set_value(ddata->nreset_gpio, 0);
|
||||
|
||||
/* wait for at least 2 vsyncs before cutting off power */
|
||||
msleep(50);
|
||||
|
||||
tpo_td043_write(ddata->spi, 3, TPO_R03_VAL_STANDBY);
|
||||
|
||||
regulator_disable(ddata->vcc_reg);
|
||||
|
||||
ddata->powered_on = 0;
|
||||
}
|
||||
|
||||
static int tpo_td043_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 tpo_td043_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 tpo_td043_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;
|
||||
|
||||
if (ddata->data_lines)
|
||||
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;
|
||||
|
||||
/*
|
||||
* If we are resuming from system suspend, SPI clocks might not be
|
||||
* enabled yet, so we'll program the LCD from SPI PM resume callback.
|
||||
*/
|
||||
if (!ddata->spi_suspended) {
|
||||
r = tpo_td043_power_on(ddata);
|
||||
if (r) {
|
||||
in->ops.dpi->disable(in);
|
||||
return r;
|
||||
}
|
||||
}
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void tpo_td043_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;
|
||||
|
||||
in->ops.dpi->disable(in);
|
||||
|
||||
if (!ddata->spi_suspended)
|
||||
tpo_td043_power_off(ddata);
|
||||
|
||||
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
||||
}
|
||||
|
||||
static void tpo_td043_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 tpo_td043_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 tpo_td043_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 tpo_td043_ops = {
|
||||
.connect = tpo_td043_connect,
|
||||
.disconnect = tpo_td043_disconnect,
|
||||
|
||||
.enable = tpo_td043_enable,
|
||||
.disable = tpo_td043_disable,
|
||||
|
||||
.set_timings = tpo_td043_set_timings,
|
||||
.get_timings = tpo_td043_get_timings,
|
||||
.check_timings = tpo_td043_check_timings,
|
||||
|
||||
.set_mirror = tpo_td043_set_hmirror,
|
||||
.get_mirror = tpo_td043_get_hmirror,
|
||||
|
||||
.get_resolution = omapdss_default_get_resolution,
|
||||
};
|
||||
|
||||
|
||||
static int tpo_td043_probe_pdata(struct spi_device *spi)
|
||||
{
|
||||
const struct panel_tpo_td043mtea1_platform_data *pdata;
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *dssdev, *in;
|
||||
|
||||
pdata = dev_get_platdata(&spi->dev);
|
||||
|
||||
ddata->nreset_gpio = pdata->nreset_gpio;
|
||||
|
||||
in = omap_dss_find_output(pdata->source);
|
||||
if (in == NULL) {
|
||||
dev_err(&spi->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;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tpo_td043_probe_of(struct spi_device *spi)
|
||||
{
|
||||
struct device_node *node = spi->dev.of_node;
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *in;
|
||||
int gpio;
|
||||
|
||||
gpio = of_get_named_gpio(node, "reset-gpios", 0);
|
||||
if (!gpio_is_valid(gpio)) {
|
||||
dev_err(&spi->dev, "failed to parse enable gpio\n");
|
||||
return gpio;
|
||||
}
|
||||
ddata->nreset_gpio = gpio;
|
||||
|
||||
in = omapdss_of_find_source_for_first_ep(node);
|
||||
if (IS_ERR(in)) {
|
||||
dev_err(&spi->dev, "failed to find video source\n");
|
||||
return PTR_ERR(in);
|
||||
}
|
||||
|
||||
ddata->in = in;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tpo_td043_probe(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata;
|
||||
struct omap_dss_device *dssdev;
|
||||
int r;
|
||||
|
||||
dev_dbg(&spi->dev, "%s\n", __func__);
|
||||
|
||||
spi->bits_per_word = 16;
|
||||
spi->mode = SPI_MODE_0;
|
||||
|
||||
r = spi_setup(spi);
|
||||
if (r < 0) {
|
||||
dev_err(&spi->dev, "spi_setup failed: %d\n", r);
|
||||
return r;
|
||||
}
|
||||
|
||||
ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
|
||||
if (ddata == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
dev_set_drvdata(&spi->dev, ddata);
|
||||
|
||||
ddata->spi = spi;
|
||||
|
||||
if (dev_get_platdata(&spi->dev)) {
|
||||
r = tpo_td043_probe_pdata(spi);
|
||||
if (r)
|
||||
return r;
|
||||
} else if (spi->dev.of_node) {
|
||||
r = tpo_td043_probe_of(spi);
|
||||
if (r)
|
||||
return r;
|
||||
} else {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ddata->mode = TPO_R02_MODE_800x480;
|
||||
memcpy(ddata->gamma, tpo_td043_def_gamma, sizeof(ddata->gamma));
|
||||
|
||||
ddata->vcc_reg = devm_regulator_get(&spi->dev, "vcc");
|
||||
if (IS_ERR(ddata->vcc_reg)) {
|
||||
dev_err(&spi->dev, "failed to get LCD VCC regulator\n");
|
||||
r = PTR_ERR(ddata->vcc_reg);
|
||||
goto err_regulator;
|
||||
}
|
||||
|
||||
if (gpio_is_valid(ddata->nreset_gpio)) {
|
||||
r = devm_gpio_request_one(&spi->dev,
|
||||
ddata->nreset_gpio, GPIOF_OUT_INIT_LOW,
|
||||
"lcd reset");
|
||||
if (r < 0) {
|
||||
dev_err(&spi->dev, "couldn't request reset GPIO\n");
|
||||
goto err_gpio_req;
|
||||
}
|
||||
}
|
||||
|
||||
r = sysfs_create_group(&spi->dev.kobj, &tpo_td043_attr_group);
|
||||
if (r) {
|
||||
dev_err(&spi->dev, "failed to create sysfs files\n");
|
||||
goto err_sysfs;
|
||||
}
|
||||
|
||||
ddata->videomode = tpo_td043_timings;
|
||||
|
||||
dssdev = &ddata->dssdev;
|
||||
dssdev->dev = &spi->dev;
|
||||
dssdev->driver = &tpo_td043_ops;
|
||||
dssdev->type = OMAP_DISPLAY_TYPE_DPI;
|
||||
dssdev->owner = THIS_MODULE;
|
||||
dssdev->panel.timings = ddata->videomode;
|
||||
|
||||
r = omapdss_register_display(dssdev);
|
||||
if (r) {
|
||||
dev_err(&spi->dev, "Failed to register panel\n");
|
||||
goto err_reg;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_reg:
|
||||
sysfs_remove_group(&spi->dev.kobj, &tpo_td043_attr_group);
|
||||
err_sysfs:
|
||||
err_gpio_req:
|
||||
err_regulator:
|
||||
omap_dss_put_device(ddata->in);
|
||||
return r;
|
||||
}
|
||||
|
||||
static int tpo_td043_remove(struct spi_device *spi)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
|
||||
struct omap_dss_device *dssdev = &ddata->dssdev;
|
||||
struct omap_dss_device *in = ddata->in;
|
||||
|
||||
dev_dbg(&ddata->spi->dev, "%s\n", __func__);
|
||||
|
||||
omapdss_unregister_display(dssdev);
|
||||
|
||||
tpo_td043_disable(dssdev);
|
||||
tpo_td043_disconnect(dssdev);
|
||||
|
||||
omap_dss_put_device(in);
|
||||
|
||||
sysfs_remove_group(&spi->dev.kobj, &tpo_td043_attr_group);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM_SLEEP
|
||||
static int tpo_td043_spi_suspend(struct device *dev)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
|
||||
dev_dbg(dev, "tpo_td043_spi_suspend, tpo %p\n", ddata);
|
||||
|
||||
ddata->power_on_resume = ddata->powered_on;
|
||||
tpo_td043_power_off(ddata);
|
||||
ddata->spi_suspended = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tpo_td043_spi_resume(struct device *dev)
|
||||
{
|
||||
struct panel_drv_data *ddata = dev_get_drvdata(dev);
|
||||
int ret;
|
||||
|
||||
dev_dbg(dev, "tpo_td043_spi_resume\n");
|
||||
|
||||
if (ddata->power_on_resume) {
|
||||
ret = tpo_td043_power_on(ddata);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
ddata->spi_suspended = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
static SIMPLE_DEV_PM_OPS(tpo_td043_spi_pm,
|
||||
tpo_td043_spi_suspend, tpo_td043_spi_resume);
|
||||
|
||||
static const struct of_device_id tpo_td043_of_match[] = {
|
||||
{ .compatible = "omapdss,tpo,td043mtea1", },
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, tpo_td043_of_match);
|
||||
|
||||
static struct spi_driver tpo_td043_spi_driver = {
|
||||
.driver = {
|
||||
.name = "panel-tpo-td043mtea1",
|
||||
.owner = THIS_MODULE,
|
||||
.pm = &tpo_td043_spi_pm,
|
||||
.of_match_table = tpo_td043_of_match,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
.probe = tpo_td043_probe,
|
||||
.remove = tpo_td043_remove,
|
||||
};
|
||||
|
||||
module_spi_driver(tpo_td043_spi_driver);
|
||||
|
||||
MODULE_ALIAS("spi:tpo,td043mtea1");
|
||||
MODULE_AUTHOR("Gražvydas Ignotas <notasas@gmail.com>");
|
||||
MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
Loading…
Add table
Add a link
Reference in a new issue