diff options
Diffstat (limited to 'arch/arm/mach-tegra/p852/board-p852-panel.c')
| -rw-r--r-- | arch/arm/mach-tegra/p852/board-p852-panel.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/p852/board-p852-panel.c b/arch/arm/mach-tegra/p852/board-p852-panel.c new file mode 100644 index 000000000000..bfd35fa5da53 --- /dev/null +++ b/arch/arm/mach-tegra/p852/board-p852-panel.c @@ -0,0 +1,191 @@ +/* + * arch/arm/mach-tegra/board-p852-panel.c + * + * Copyright (c) 2010-2011, 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_grhost_device, + &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; + + 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; +} |