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arch/arm/mach-vt8500/devices.c
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21f47fbc5 ARM: 6597/1: Add ... |
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/* linux/arch/arm/mach-vt8500/devices.c * * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and * may be copied, distributed, and modified under those terms. * * 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. * */ #include <linux/kernel.h> #include <linux/io.h> #include <linux/device.h> #include <linux/dma-mapping.h> #include <linux/platform_device.h> #include <linux/pwm_backlight.h> #include <linux/memblock.h> #include <asm/mach/arch.h> #include <mach/vt8500fb.h> #include <mach/i8042.h> #include "devices.h" /* These can't use resources currently */ unsigned long wmt_ic_base __initdata; unsigned long wmt_sic_base __initdata; unsigned long wmt_gpio_base __initdata; unsigned long wmt_pmc_base __initdata; unsigned long wmt_i8042_base __initdata; int wmt_nr_irqs __initdata; int wmt_timer_irq __initdata; int wmt_gpio_ext_irq[8] __initdata; /* Should remain accessible after init. * i8042 driver desperately calls for attention... */ int wmt_i8042_kbd_irq; int wmt_i8042_aux_irq; static u64 fb_dma_mask = DMA_BIT_MASK(32); struct platform_device vt8500_device_lcdc = { .name = "vt8500-lcd", .id = 0, .dev = { .dma_mask = &fb_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; struct platform_device vt8500_device_wm8505_fb = { .name = "wm8505-fb", .id = 0, }; /* Smallest to largest */ static struct vt8500fb_platform_data panels[] = { #ifdef CONFIG_WMT_PANEL_800X480 { .xres_virtual = 800, .yres_virtual = 480 * 2, .mode = { .name = "800x480", .xres = 800, .yres = 480, .left_margin = 88, .right_margin = 40, .upper_margin = 32, .lower_margin = 11, .hsync_len = 0, .vsync_len = 1, .vmode = FB_VMODE_NONINTERLACED, }, }, #endif #ifdef CONFIG_WMT_PANEL_800X600 { .xres_virtual = 800, .yres_virtual = 600 * 2, .mode = { .name = "800x600", .xres = 800, .yres = 600, .left_margin = 88, .right_margin = 40, .upper_margin = 32, .lower_margin = 11, .hsync_len = 0, .vsync_len = 1, .vmode = FB_VMODE_NONINTERLACED, }, }, #endif #ifdef CONFIG_WMT_PANEL_1024X576 { .xres_virtual = 1024, .yres_virtual = 576 * 2, .mode = { .name = "1024x576", .xres = 1024, .yres = 576, .left_margin = 40, .right_margin = 24, .upper_margin = 32, .lower_margin = 11, .hsync_len = 96, .vsync_len = 2, .vmode = FB_VMODE_NONINTERLACED, }, }, #endif #ifdef CONFIG_WMT_PANEL_1024X600 { .xres_virtual = 1024, .yres_virtual = 600 * 2, .mode = { .name = "1024x600", .xres = 1024, .yres = 600, .left_margin = 66, .right_margin = 2, .upper_margin = 19, .lower_margin = 1, .hsync_len = 23, .vsync_len = 8, .vmode = FB_VMODE_NONINTERLACED, }, }, #endif }; static int current_panel_idx __initdata = ARRAY_SIZE(panels) - 1; static int __init panel_setup(char *str) { int i; for (i = 0; i < ARRAY_SIZE(panels); i++) { if (strcmp(panels[i].mode.name, str) == 0) { current_panel_idx = i; break; } } return 0; } early_param("panel", panel_setup); static inline void preallocate_fb(struct vt8500fb_platform_data *p, unsigned long align) { p->video_mem_len = (p->xres_virtual * p->yres_virtual * 4) >> (p->bpp > 16 ? 0 : (p->bpp > 8 ? 1 : (8 / p->bpp) + 1)); p->video_mem_phys = (unsigned long)memblock_alloc(p->video_mem_len, align); p->video_mem_virt = phys_to_virt(p->video_mem_phys); } struct platform_device vt8500_device_uart0 = { .name = "vt8500_serial", .id = 0, }; struct platform_device vt8500_device_uart1 = { .name = "vt8500_serial", .id = 1, }; struct platform_device vt8500_device_uart2 = { .name = "vt8500_serial", .id = 2, }; struct platform_device vt8500_device_uart3 = { .name = "vt8500_serial", .id = 3, }; struct platform_device vt8500_device_uart4 = { .name = "vt8500_serial", .id = 4, }; struct platform_device vt8500_device_uart5 = { .name = "vt8500_serial", .id = 5, }; static u64 ehci_dma_mask = DMA_BIT_MASK(32); struct platform_device vt8500_device_ehci = { .name = "vt8500-ehci", .id = 0, .dev = { .dma_mask = &ehci_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; struct platform_device vt8500_device_ge_rops = { .name = "wmt_ge_rops", .id = -1, }; struct platform_device vt8500_device_pwm = { .name = "vt8500-pwm", .id = 0, }; static struct platform_pwm_backlight_data vt8500_pwmbl_data = { .pwm_id = 0, .max_brightness = 128, .dft_brightness = 70, .pwm_period_ns = 250000, /* revisit when clocks are implemented */ }; struct platform_device vt8500_device_pwmbl = { .name = "pwm-backlight", .id = 0, .dev = { .platform_data = &vt8500_pwmbl_data, }, }; struct platform_device vt8500_device_rtc = { .name = "vt8500-rtc", .id = 0, }; struct map_desc wmt_io_desc[] __initdata = { /* SoC MMIO registers */ [0] = { .virtual = 0xf8000000, .pfn = __phys_to_pfn(0xd8000000), .length = 0x00390000, /* max of all chip variants */ .type = MT_DEVICE }, /* PCI I/O space, numbers tied to those in <mach/io.h> */ [1] = { .virtual = 0xf0000000, .pfn = __phys_to_pfn(0xc0000000), .length = SZ_64K, .type = MT_DEVICE }, }; void __init vt8500_reserve_mem(void) { #ifdef CONFIG_FB_VT8500 panels[current_panel_idx].bpp = 16; /* Always use RGB565 */ preallocate_fb(&panels[current_panel_idx], SZ_4M); vt8500_device_lcdc.dev.platform_data = &panels[current_panel_idx]; #endif } void __init wm8505_reserve_mem(void) { #if defined CONFIG_FB_WM8505 panels[current_panel_idx].bpp = 32; /* Always use RGB888 */ preallocate_fb(&panels[current_panel_idx], 32); vt8500_device_wm8505_fb.dev.platform_data = &panels[current_panel_idx]; #endif } |