/*
* arch/arm/mach-tegra/board-p852-panel.c
*
* Copyright (c) 2010-2012, NVIDIA Corporation.
*
* 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.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/resource.h>
#include <linux/nvhost.h>
#include <linux/platform_device.h>
#include <asm/mach-types.h>
#include <mach/nvmap.h>
#include <mach/irqs.h>
#include <mach/iomap.h>
#include <mach/dc.h>
#include <mach/fb.h>
#include "board-p852.h"
#define CARVEOUT_IRAM {\
.name = "iram",\
.usage_mask = NVMAP_HEAP_CARVEOUT_IRAM,\
.base = TEGRA_IRAM_BASE,\
.size = TEGRA_IRAM_SIZE,\
.buddy_size = 0, /* no buddy allocation for IRAM */\
}
static int p852_panel_enable(void)
{
pr_info("%s\n", __func__);
return 0;
}
static int p852_panel_disable(void)
{
pr_info("%s\n", __func__);
return 0;
}
static struct resource p852_disp_resources[] = {
{
.name = "irq",
.start = INT_DISPLAY_GENERAL,
.end = INT_DISPLAY_GENERAL,
.flags = IORESOURCE_IRQ,
},
{
.name = "regs",
.start = TEGRA_DISPLAY_BASE,
.end = TEGRA_DISPLAY_BASE + TEGRA_DISPLAY_SIZE - 1,
.flags = IORESOURCE_MEM,
},
{
.name = "fbmem",
.start = 0,
.end = 0,
.flags = IORESOURCE_MEM,
},
};
static struct tegra_dc_mode p852_panel_modes[] = {
/* Timings for the LG LB070WV4 panel */
{
.pclk = 33230769,
.h_ref_to_sync = 1,
.v_ref_to_sync = 1,
.h_sync_width = 128,
.v_sync_width = 2,
.h_back_porch = 88,
.v_back_porch = 30,
.h_front_porch = 40,
.v_front_porch = 13,
.h_active = 800,
.v_active = 480,
},
};
static struct tegra_fb_data p852_fb_data = {
.win = 0,
.xres = 800,
.yres = 480,
.bits_per_pixel = 16,
};
static struct tegra_dc_out p852_disp_out = {
.type = TEGRA_DC_OUT_RGB,
.align = TEGRA_DC_ALIGN_MSB,
.order = TEGRA_DC_ORDER_RED_BLUE,
.modes = p852_panel_modes,
.n_modes = ARRAY_SIZE(p852_panel_modes),
.enable = p852_panel_enable,
.disable = p852_panel_disable,
};
static struct tegra_dc_platform_data p852_disp_pdata = {
.flags = TEGRA_DC_FLAG_ENABLED,
.default_out = &p852_disp_out,
.fb = &p852_fb_data,
};
static struct nvhost_device p852_disp_device = {
.name = "tegradc",
.id = 0,
.resource = p852_disp_resources,
.num_resources = ARRAY_SIZE(p852_disp_resources),
.dev = {
.platform_data = &p852_disp_pdata,
},
};
static struct nvmap_platform_carveout p852_carveouts[] = {
[0] = CARVEOUT_IRAM,
[1] = {
.name = "generic-0",
.usage_mask = NVMAP_HEAP_CARVEOUT_GENERIC,
.base = 0,
.size = 0,
.buddy_size = SZ_32K,
},
};
static struct nvmap_platform_data p852_nvmap_data = {
.carveouts = p852_carveouts,
.nr_carveouts = ARRAY_SIZE(p852_carveouts),
};
static struct platform_device p852_nvmap_device = {
.name = "tegra-nvmap",
.id = -1,
.dev = {
.platform_data = &p852_nvmap_data,
},
};
static struct platform_device *p852_gfx_devices[] __initdata = {
&tegra_pwfm2_device,
};
int __init p852_panel_init(void)
{
int err;
struct resource *res;
pr_info("%s\n", __func__);
p852_carveouts[1].base = tegra_carveout_start;
p852_carveouts[1].size = tegra_carveout_size;
err = platform_device_register(&p852_nvmap_device);
if (err)
return err;
#ifdef CONFIG_TEGRA_GRHOST
err = nvhost_device_register(&tegra_grhost_device);
if (err)
return err;
#endif
err = platform_add_devices(p852_gfx_devices,
ARRAY_SIZE(p852_gfx_devices));
res = nvhost_get_resource_byname(&p852_disp_device,
IORESOURCE_MEM, "fbmem");
res->start = tegra_fb_start;
res->end = tegra_fb_start + tegra_fb_size - 1;
if (!err)
err = nvhost_device_register(&p852_disp_device);
return err;
}
