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/*
* arch/arm/mach-tegra/board-apalis-tk1-panel.c
*
* Copyright (c) 2016, Toradex AG. All rights reserved.
*
* 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/ioport.h>
#include <linux/fb.h>
#include <linux/nvmap.h>
#include <linux/nvhost.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/dma-contiguous.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <mach/irqs.h>
#include <mach/dc.h>
#include <mach/io_dpd.h>
#include "board.h"
#include "tegra-board-id.h"
#include "devices.h"
#include "gpio-names.h"
#include "board-apalis-tk1.h"
#include "board-panel.h"
#include "common.h"
#include "iomap.h"
#include "tegra12_host1x_devices.h"
#include "dvfs.h"
struct platform_device *__init apalis_tk1_host1x_init(void)
{
struct platform_device *pdev = NULL;
#ifdef CONFIG_TEGRA_GRHOST
if (!of_have_populated_dt())
pdev = tegra12_register_host1x_devices();
else
pdev =
to_platform_device(bus_find_device_by_name
(&platform_bus_type, NULL, "host1x"));
if (!pdev) {
pr_err("host1x devices registration failed\n");
return NULL;
}
#endif
return pdev;
}
static struct nvmap_platform_carveout apalis_tk1_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,
.dma_dev = &tegra_iram_dev,
},
[1] = {
.name = "generic-0",
.usage_mask = NVMAP_HEAP_CARVEOUT_GENERIC,
.base = 0, /* Filled in by apalis_tk1_panel_init() */
.size = 0, /* Filled in by apalis_tk1_panel_init() */
.dma_dev = &tegra_generic_dev,
},
[2] = {
.name = "vpr",
.usage_mask = NVMAP_HEAP_CARVEOUT_VPR,
.base = 0, /* Filled in by apalis_tk1_panel_init() */
.size = 0, /* Filled in by apalis_tk1_panel_init() */
.dma_dev = &tegra_vpr_dev,
},
};
static struct nvmap_platform_data apalis_tk1_nvmap_data = {
.carveouts = apalis_tk1_carveouts,
.nr_carveouts = ARRAY_SIZE(apalis_tk1_carveouts),
};
static struct platform_device apalis_tk1_nvmap_device = {
.name = "tegra-nvmap",
.id = -1,
.dev = {
.platform_data = &apalis_tk1_nvmap_data,
},
};
int __init apalis_tk1_panel_init(void)
{
int err = 0;
struct resource __maybe_unused *res;
struct platform_device *phost1x = NULL;
#ifdef CONFIG_NVMAP_USE_CMA_FOR_CARVEOUT
struct dma_declare_info vpr_dma_info;
struct dma_declare_info generic_dma_info;
#endif
#ifdef CONFIG_TEGRA_NVMAP
apalis_tk1_carveouts[1].base = tegra_carveout_start;
apalis_tk1_carveouts[1].size = tegra_carveout_size;
apalis_tk1_carveouts[2].base = tegra_vpr_start;
apalis_tk1_carveouts[2].size = tegra_vpr_size;
#ifdef CONFIG_NVMAP_USE_CMA_FOR_CARVEOUT
generic_dma_info.name = "generic";
generic_dma_info.base = tegra_carveout_start;
generic_dma_info.size = tegra_carveout_size;
generic_dma_info.resize = false;
generic_dma_info.cma_dev = NULL;
vpr_dma_info.name = "vpr";
vpr_dma_info.base = tegra_vpr_start;
vpr_dma_info.size = tegra_vpr_size;
vpr_dma_info.resize = false;
vpr_dma_info.cma_dev = NULL;
apalis_tk1_carveouts[1].cma_dev = &tegra_generic_cma_dev;
apalis_tk1_carveouts[1].resize = false;
apalis_tk1_carveouts[2].cma_dev = &tegra_vpr_cma_dev;
apalis_tk1_carveouts[2].resize = true;
vpr_dma_info.size = SZ_32M;
vpr_dma_info.resize = true;
vpr_dma_info.cma_dev = &tegra_vpr_cma_dev;
vpr_dma_info.notifier.ops = &vpr_dev_ops;
if (tegra_carveout_size) {
err = dma_declare_coherent_resizable_cma_memory(
&tegra_generic_dev, &generic_dma_info);
if (err) {
pr_err("Generic coherent memory declaration failed\n");
return err;
}
}
if (tegra_vpr_size) {
err =
dma_declare_coherent_resizable_cma_memory(&tegra_vpr_dev,
&vpr_dma_info);
if (err) {
pr_err("VPR coherent memory declaration failed\n");
return err;
}
}
#endif
err = platform_device_register(&apalis_tk1_nvmap_device);
if (err) {
pr_err("nvmap device registration failed\n");
return err;
}
#endif
phost1x = apalis_tk1_host1x_init();
if (!phost1x) {
pr_err("host1x devices registration failed\n");
return -EINVAL;
}
if (tegra_bootloader_fb_size)
__tegra_move_framebuffer(&apalis_tk1_nvmap_device,
tegra_fb_start,
tegra_bootloader_fb_start,
min(tegra_fb_size,
tegra_bootloader_fb_size));
else
__tegra_clear_framebuffer(&apalis_tk1_nvmap_device,
tegra_fb_start, tegra_fb_size);
/* Copy the bootloader fb2 to the fb2. */
if (tegra_bootloader_fb2_size)
__tegra_move_framebuffer(&apalis_tk1_nvmap_device,
tegra_fb2_start,
tegra_bootloader_fb2_start,
min(tegra_fb2_size,
tegra_bootloader_fb2_size));
else
__tegra_clear_framebuffer(&apalis_tk1_nvmap_device,
tegra_fb2_start, tegra_fb2_size);
return err;
}
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