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/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Marcus Lorentzon <marcus.xm.lorentzon@stericsson.com>
* for ST-Ericsson.
*
* License terms: GNU General Public License (GPL), version 2.
*/
#include <linux/platform_device.h>
#include <linux/kernel.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/dispdev.h>
#include <video/av8100.h>
#include <asm/mach-types.h>
#include <video/mcde_display.h>
#include <video/mcde_display-generic_dsi.h>
#include <video/mcde_display-sony_acx424akp_dsi.h>
#include <video/mcde_display-av8100.h>
#include <video/mcde_fb.h>
#include <video/mcde_dss.h>
#define DSI_UNIT_INTERVAL_0 0xA
#define DSI_UNIT_INTERVAL_2 0x5
/* The initialization of hdmi disp driver must be delayed in order to
* ensure that inputclk will be available (needed by hdmi hw) */
static struct delayed_work work_dispreg_hdmi;
#define DISPREG_HDMI_DELAY 6000
enum {
PRIMARY_DISPLAY_ID,
AV8100_DISPLAY_ID,
MCDE_NR_OF_DISPLAYS
};
static int display_initialized_during_boot;
static int __init startup_graphics_setup(char *str)
{
if (get_option(&str, &display_initialized_during_boot) != 1)
display_initialized_during_boot = 0;
switch (display_initialized_during_boot) {
case 1:
pr_info("Startup graphics support\n");
break;
case 0:
default:
pr_info("No startup graphics supported\n");
break;
};
return 1;
}
__setup("startup_graphics=", startup_graphics_setup);
static struct mcde_col_transform rgb_2_yCbCr_transform = {
.matrix = {
{0x0042, 0x0081, 0x0019},
{0xffda, 0xffb6, 0x0070},
{0x0070, 0xffa2, 0xffee},
},
.offset = {0x10, 0x80, 0x80},
};
static struct mcde_port sony_port0 = {
.link = 0,
.sync_src = MCDE_SYNCSRC_BTA,
.frame_trig = MCDE_TRIG_SW,
};
static struct mcde_display_sony_acx424akp_platform_data \
sony_acx424akp_display0_pdata = {
.reset_gpio = 226,
};
static struct mcde_display_device sony_acx424akp_display0 = {
.name = "mcde_disp_sony_acx424akp",
.id = PRIMARY_DISPLAY_ID,
.port = &sony_port0,
.chnl_id = MCDE_CHNL_A,
.fifo = MCDE_FIFO_A,
.default_pixel_format = MCDE_OVLYPIXFMT_RGBA8888,
.dev = {
.platform_data = &sony_acx424akp_display0_pdata,
},
};
#if defined(CONFIG_AV8100_HWTRIG_INT)
#define AV8100_SYNC_SRC MCDE_SYNCSRC_TE0
#elif defined(CONFIG_AV8100_HWTRIG_I2SDAT3)
#define AV8100_SYNC_SRC MCDE_SYNCSRC_TE1
#elif defined(CONFIG_AV8100_HWTRIG_DSI_TE)
#define AV8100_SYNC_SRC MCDE_SYNCSRC_TE_POLLING
#else
#define AV8100_SYNC_SRC MCDE_SYNCSRC_OFF
#endif
static struct mcde_port av8100_port2 = {
.type = MCDE_PORTTYPE_DSI,
.mode = MCDE_PORTMODE_CMD,
.pixel_format = MCDE_PORTPIXFMT_DSI_24BPP,
.link = 1,
.sync_src = AV8100_SYNC_SRC,
.update_auto_trig = true,
.phy = {
.dsi = {
.num_data_lanes = 2,
.ui = DSI_UNIT_INTERVAL_2,
},
},
.hdmi_sdtv_switch = HDMI_SWITCH,
};
static struct mcde_display_hdmi_platform_data av8100_hdmi_pdata = {
.rgb_2_yCbCr_transform = &rgb_2_yCbCr_transform,
};
static struct mcde_display_device av8100_hdmi = {
.name = "av8100_hdmi",
.id = AV8100_DISPLAY_ID,
.port = &av8100_port2,
.chnl_id = MCDE_CHNL_B,
.fifo = MCDE_FIFO_B,
.default_pixel_format = MCDE_OVLYPIXFMT_RGB888,
.native_x_res = 1280,
.native_y_res = 720,
.dev = {
.platform_data = &av8100_hdmi_pdata,
},
};
static void delayed_work_dispreg_hdmi(struct work_struct *ptr)
{
if (mcde_display_device_register(&av8100_hdmi))
pr_warning("Failed to register av8100_hdmi\n");
}
/*
* This function will create the framebuffer for the display that is registered.
*/
static int display_postregistered_callback(struct notifier_block *nb,
unsigned long event, void *dev)
{
struct mcde_display_device *ddev = dev;
u16 width, height;
u16 virtual_height;
u32 rotate = FB_ROTATE_UR;
struct fb_info *fbi;
#ifdef CONFIG_DISPDEV
struct mcde_fb *mfb;
#endif
if (event != MCDE_DSS_EVENT_DISPLAY_REGISTERED)
return 0;
if (ddev->id < PRIMARY_DISPLAY_ID || ddev->id >= MCDE_NR_OF_DISPLAYS)
return 0;
mcde_dss_get_native_resolution(ddev, &width, &height);
virtual_height = height * 2;
#ifndef CONFIG_MCDE_DISPLAY_HDMI_FB_AUTO_CREATE
if (ddev->id == AV8100_DISPLAY_ID)
goto out;
#endif
/* Create frame buffer */
fbi = mcde_fb_create(ddev, width, height, width, virtual_height,
ddev->default_pixel_format, rotate);
if (IS_ERR(fbi)) {
dev_warn(&ddev->dev,
"Failed to create fb for display %s\n", ddev->name);
goto display_postregistered_callback_err;
} else {
dev_info(&ddev->dev, "Framebuffer created (%s)\n", ddev->name);
}
#ifdef CONFIG_DISPDEV
mfb = to_mcde_fb(fbi);
/* Create a dispdev overlay for this display */
if (dispdev_create(ddev, true, mfb->ovlys[0]) < 0) {
dev_warn(&ddev->dev,
"Failed to create disp for display %s\n", ddev->name);
goto display_postregistered_callback_err;
} else {
dev_info(&ddev->dev, "Disp dev created for (%s)\n", ddev->name);
}
#endif
out:
return 0;
display_postregistered_callback_err:
return -1;
}
static struct notifier_block display_nb = {
.notifier_call = display_postregistered_callback,
};
int __init init_u5500_display_devices(void)
{
if (!cpu_is_u5500())
return 0;
(void)mcde_dss_register_notifier(&display_nb);
if (display_initialized_during_boot)
sony_acx424akp_display0.power_mode = MCDE_DISPLAY_PM_STANDBY;
(void)mcde_display_device_register(&sony_acx424akp_display0);
INIT_DELAYED_WORK_DEFERRABLE(&work_dispreg_hdmi,
delayed_work_dispreg_hdmi);
schedule_delayed_work(&work_dispreg_hdmi,
msecs_to_jiffies(DISPREG_HDMI_DELAY));
return 0;
}
module_init(init_u5500_display_devices);
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