diff options
Diffstat (limited to 'arch/arm/mach-tegra/board-e1853-panel.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-e1853-panel.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-e1853-panel.c b/arch/arm/mach-tegra/board-e1853-panel.c new file mode 100644 index 000000000000..a4d6bc66f4e7 --- /dev/null +++ b/arch/arm/mach-tegra/board-e1853-panel.c @@ -0,0 +1,202 @@ +/* + * arch/arm/mach-tegra/board-e1853-panel.c + * + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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/resource.h> +#include <asm/mach-types.h> +#include <linux/platform_device.h> +#include <linux/nvhost.h> +#include <linux/nvmap.h> +#include <mach/irqs.h> +#include <mach/iomap.h> +#include <mach/dc.h> +#include <mach/fb.h> + +#include "board.h" +#include "devices.h" +#include "tegra3_host1x_devices.h" +#include "gpio-names.h" + +#define E1853_HDMI_HPD TEGRA_GPIO_PB2 + +static int e1853_panel_enable(void) +{ + return 0; +} + +static int e1853_panel_disable(void) +{ + return 0; +} + +static struct tegra_dc_mode e1853_panel_modes[] = { + { + /* 800x480@60 */ + .pclk = 32460000, + .h_ref_to_sync = 1, + .v_ref_to_sync = 1, + .h_sync_width = 64, + .v_sync_width = 3, + .h_back_porch = 128, + .v_back_porch = 22, + .h_front_porch = 64, + .v_front_porch = 20, + .h_active = 800, + .v_active = 480, + }, +}; + +static struct tegra_fb_data e1853_fb_data = { + .win = 0, + .xres = 800, + .yres = 480, + .bits_per_pixel = 32, +}; + +static struct tegra_dc_out e1853_disp1_out = { + .align = TEGRA_DC_ALIGN_MSB, + .order = TEGRA_DC_ORDER_RED_BLUE, + .type = TEGRA_DC_OUT_RGB, + .modes = e1853_panel_modes, + .n_modes = ARRAY_SIZE(e1853_panel_modes), + .enable = e1853_panel_enable, + .disable = e1853_panel_disable, +}; + +static struct tegra_dc_platform_data e1853_disp1_pdata = { + .flags = TEGRA_DC_FLAG_ENABLED, + .default_out = &e1853_disp1_out, + .emc_clk_rate = 300000000, + .fb = &e1853_fb_data, +}; + +static int e1853_hdmi_enable(void) +{ + return 0; +} + +static int e1853_hdmi_disable(void) +{ + return 0; +} + +static struct tegra_fb_data e1853_hdmi_fb_data = { + .win = 0, + .xres = 800, + .yres = 480, + .bits_per_pixel = 32, + .flags = TEGRA_FB_FLIP_ON_PROBE, +}; + +static struct tegra_dc_out e1853_hdmi_out = { + .align = TEGRA_DC_ALIGN_MSB, + .order = TEGRA_DC_ORDER_RED_BLUE, + .parent_clk = "pll_d2_out0", + .type = TEGRA_DC_OUT_HDMI, + .flags = TEGRA_DC_OUT_HOTPLUG_LOW | + TEGRA_DC_OUT_NVHDCP_POLICY_ON_DEMAND, + .max_pixclock = KHZ2PICOS(148500), + /* XXX: Check the GPIO */ + .hotplug_gpio = E1853_HDMI_HPD, + .enable = e1853_hdmi_enable, + .disable = e1853_hdmi_disable, + /* XXX: Check the I2C instance */ + .dcc_bus = 3, +}; + +static struct tegra_dc_platform_data e1853_hdmi_pdata = { + .flags = 0, + .default_out = &e1853_hdmi_out, + .emc_clk_rate = 300000000, + .fb = &e1853_hdmi_fb_data, +}; + +static struct nvmap_platform_carveout e1853_carveouts[] = { + [0] = { + .name = "iram", + .usage_mask = NVMAP_HEAP_CARVEOUT_IRAM, + .base = TEGRA_IRAM_BASE + TEGRA_RESET_HANDLER_SIZE, + .size = TEGRA_IRAM_SIZE - TEGRA_RESET_HANDLER_SIZE, + .buddy_size = 0, /* no buddy allocation for IRAM */ + }, + [1] = { + .name = "generic-0", + .usage_mask = NVMAP_HEAP_CARVEOUT_GENERIC, + .base = 0, /* Filled in by e1853_panel_init() */ + .size = 0, /* Filled in by e1853_panel_init() */ + .buddy_size = SZ_32K, + }, +}; + +static struct nvmap_platform_data e1853_nvmap_data = { + .carveouts = e1853_carveouts, + .nr_carveouts = ARRAY_SIZE(e1853_carveouts), +}; + +static struct platform_device *e1853_gfx_devices[] __initdata = { + &tegra_nvmap_device, +}; + +int __init e1853_panel_init(void) +{ + int err; + struct resource *res; + + e1853_carveouts[1].base = tegra_carveout_start; + e1853_carveouts[1].size = tegra_carveout_size; + tegra_nvmap_device.dev.platform_data = &e1853_nvmap_data; + tegra_disp1_device.dev.platform_data = &e1853_disp1_pdata; + tegra_disp2_device.dev.platform_data = &e1853_hdmi_pdata; + +#ifdef CONFIG_TEGRA_GRHOST + err = tegra3_register_host1x_devices(); + if (err) + return err; +#endif + + err = platform_add_devices(e1853_gfx_devices, + ARRAY_SIZE(e1853_gfx_devices)); + +#if defined(CONFIG_TEGRA_GRHOST) && defined(CONFIG_TEGRA_DC) + res = nvhost_get_resource_byname(&tegra_disp1_device, + IORESOURCE_MEM, "fbmem"); + if (res) { + res->start = tegra_fb_start; + res->end = tegra_fb_start + tegra_fb_size - 1; + } + + if (!err) + err = nvhost_device_register(&tegra_disp1_device); + + res = nvhost_get_resource_byname(&tegra_disp2_device, + IORESOURCE_MEM, "fbmem"); + if (res) { + res->start = tegra_fb2_start; + res->end = tegra_fb2_start + tegra_fb2_size - 1; + } + + if (!err) + err = nvhost_device_register(&tegra_disp2_device); +#endif + +#if defined(CONFIG_TEGRA_GRHOST) && defined(CONFIG_TEGRA_NVAVP) + if (!err) + err = nvhost_device_register(&nvavp_device); +#endif + return err; +} |