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604 lines
13 KiB
604 lines
13 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-pxa/saar.c |
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* |
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* Support for the Marvell PXA930 Handheld Platform (aka SAAR) |
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* |
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* Copyright (C) 2007-2008 Marvell International Ltd. |
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*/ |
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#include <linux/module.h> |
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#include <linux/kernel.h> |
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#include <linux/interrupt.h> |
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#include <linux/init.h> |
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#include <linux/platform_device.h> |
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#include <linux/clk.h> |
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#include <linux/gpio.h> |
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#include <linux/delay.h> |
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#include <linux/fb.h> |
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#include <linux/i2c.h> |
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#include <linux/platform_data/i2c-pxa.h> |
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#include <linux/smc91x.h> |
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#include <linux/mfd/da903x.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/mtd/onenand.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/flash.h> |
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#include "pxa930.h" |
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#include <linux/platform_data/video-pxafb.h> |
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#include "devices.h" |
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#include "generic.h" |
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#define GPIO_LCD_RESET (16) |
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/* SAAR MFP configurations */ |
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static mfp_cfg_t saar_mfp_cfg[] __initdata = { |
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/* LCD */ |
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GPIO23_LCD_DD0, |
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GPIO24_LCD_DD1, |
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GPIO25_LCD_DD2, |
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GPIO26_LCD_DD3, |
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GPIO27_LCD_DD4, |
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GPIO28_LCD_DD5, |
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GPIO29_LCD_DD6, |
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GPIO44_LCD_DD7, |
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GPIO21_LCD_CS, |
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GPIO22_LCD_VSYNC, |
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GPIO17_LCD_FCLK_RD, |
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GPIO18_LCD_LCLK_A0, |
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GPIO19_LCD_PCLK_WR, |
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GPIO16_GPIO, /* LCD reset */ |
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/* Ethernet */ |
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DF_nCS1_nCS3, |
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GPIO97_GPIO, |
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/* DFI */ |
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DF_INT_RnB_ND_INT_RnB, |
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DF_nRE_nOE_ND_nRE, |
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DF_nWE_ND_nWE, |
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DF_CLE_nOE_ND_CLE, |
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DF_nADV1_ALE_ND_ALE, |
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DF_nADV2_ALE_nCS3, |
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DF_nCS0_ND_nCS0, |
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DF_IO0_ND_IO0, |
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DF_IO1_ND_IO1, |
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DF_IO2_ND_IO2, |
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DF_IO3_ND_IO3, |
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DF_IO4_ND_IO4, |
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DF_IO5_ND_IO5, |
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DF_IO6_ND_IO6, |
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DF_IO7_ND_IO7, |
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DF_IO8_ND_IO8, |
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DF_IO9_ND_IO9, |
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DF_IO10_ND_IO10, |
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DF_IO11_ND_IO11, |
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DF_IO12_ND_IO12, |
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DF_IO13_ND_IO13, |
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DF_IO14_ND_IO14, |
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DF_IO15_ND_IO15, |
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}; |
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#define SAAR_ETH_PHYS (0x14000000) |
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static struct resource smc91x_resources[] = { |
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[0] = { |
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.start = (SAAR_ETH_PHYS + 0x300), |
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.end = (SAAR_ETH_PHYS + 0xfffff), |
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.flags = IORESOURCE_MEM, |
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}, |
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[1] = { |
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.start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO97)), |
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.end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO97)), |
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
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} |
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}; |
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static struct smc91x_platdata saar_smc91x_info = { |
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.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA, |
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}; |
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static struct platform_device smc91x_device = { |
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.name = "smc91x", |
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.id = 0, |
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.num_resources = ARRAY_SIZE(smc91x_resources), |
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.resource = smc91x_resources, |
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.dev = { |
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.platform_data = &saar_smc91x_info, |
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}, |
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}; |
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
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static uint16_t lcd_power_on[] = { |
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/* single frame */ |
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SMART_CMD_NOOP, |
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SMART_CMD(0x00), |
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SMART_DELAY(0), |
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SMART_CMD_NOOP, |
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SMART_CMD(0x00), |
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SMART_DELAY(0), |
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SMART_CMD_NOOP, |
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SMART_CMD(0x00), |
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SMART_DELAY(0), |
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SMART_CMD_NOOP, |
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SMART_CMD(0x00), |
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SMART_DELAY(10), |
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/* calibration control */ |
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SMART_CMD(0x00), |
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SMART_CMD(0xA4), |
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SMART_DAT(0x80), |
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SMART_DAT(0x01), |
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SMART_DELAY(150), |
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/*Power-On Init sequence*/ |
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SMART_CMD(0x00), /* output ctrl */ |
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SMART_CMD(0x01), |
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SMART_DAT(0x01), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* wave ctrl */ |
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SMART_CMD(0x02), |
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SMART_DAT(0x07), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), |
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SMART_CMD(0x03), /* entry mode */ |
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SMART_DAT(0xD0), |
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SMART_DAT(0x30), |
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SMART_CMD(0x00), |
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SMART_CMD(0x08), /* display ctrl 2 */ |
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SMART_DAT(0x08), |
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SMART_DAT(0x08), |
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SMART_CMD(0x00), |
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SMART_CMD(0x09), /* display ctrl 3 */ |
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SMART_DAT(0x04), |
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SMART_DAT(0x2F), |
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SMART_CMD(0x00), |
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SMART_CMD(0x0A), /* display ctrl 4 */ |
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SMART_DAT(0x00), |
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SMART_DAT(0x08), |
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SMART_CMD(0x00), |
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SMART_CMD(0x0D), /* Frame Marker position */ |
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SMART_DAT(0x00), |
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SMART_DAT(0x08), |
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SMART_CMD(0x00), |
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SMART_CMD(0x60), /* Driver output control */ |
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SMART_DAT(0x27), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), |
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SMART_CMD(0x61), /* Base image display control */ |
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SMART_DAT(0x00), |
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SMART_DAT(0x01), |
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SMART_CMD(0x00), |
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SMART_CMD(0x30), /* Y settings 30h-3Dh */ |
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SMART_DAT(0x07), |
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SMART_DAT(0x07), |
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SMART_CMD(0x00), |
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SMART_CMD(0x31), |
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SMART_DAT(0x00), |
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SMART_DAT(0x07), |
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SMART_CMD(0x00), |
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SMART_CMD(0x32), /* Timing(3), ASW HOLD=0.5CLK */ |
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SMART_DAT(0x04), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), |
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SMART_CMD(0x33), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */ |
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SMART_DAT(0x03), |
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SMART_DAT(0x03), |
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SMART_CMD(0x00), |
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SMART_CMD(0x34), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), |
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SMART_CMD(0x35), |
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SMART_DAT(0x02), |
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SMART_DAT(0x05), |
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SMART_CMD(0x00), |
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SMART_CMD(0x36), |
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SMART_DAT(0x1F), |
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SMART_DAT(0x1F), |
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SMART_CMD(0x00), |
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SMART_CMD(0x37), |
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SMART_DAT(0x07), |
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SMART_DAT(0x07), |
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SMART_CMD(0x00), |
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SMART_CMD(0x38), |
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SMART_DAT(0x00), |
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SMART_DAT(0x07), |
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SMART_CMD(0x00), |
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SMART_CMD(0x39), |
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SMART_DAT(0x04), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), |
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SMART_CMD(0x3A), |
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SMART_DAT(0x03), |
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SMART_DAT(0x03), |
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SMART_CMD(0x00), |
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SMART_CMD(0x3B), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), |
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SMART_CMD(0x3C), |
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SMART_DAT(0x02), |
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SMART_DAT(0x05), |
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SMART_CMD(0x00), |
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SMART_CMD(0x3D), |
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SMART_DAT(0x1F), |
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SMART_DAT(0x1F), |
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SMART_CMD(0x00), /* Display control 1 */ |
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SMART_CMD(0x07), |
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SMART_DAT(0x00), |
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SMART_DAT(0x01), |
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SMART_CMD(0x00), /* Power control 5 */ |
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SMART_CMD(0x17), |
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SMART_DAT(0x00), |
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SMART_DAT(0x01), |
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SMART_CMD(0x00), /* Power control 1 */ |
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SMART_CMD(0x10), |
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SMART_DAT(0x10), |
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SMART_DAT(0xB0), |
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SMART_CMD(0x00), /* Power control 2 */ |
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SMART_CMD(0x11), |
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SMART_DAT(0x01), |
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SMART_DAT(0x30), |
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SMART_CMD(0x00), /* Power control 3 */ |
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SMART_CMD(0x12), |
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SMART_DAT(0x01), |
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SMART_DAT(0x9E), |
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SMART_CMD(0x00), /* Power control 4 */ |
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SMART_CMD(0x13), |
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SMART_DAT(0x17), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* Power control 3 */ |
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SMART_CMD(0x12), |
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SMART_DAT(0x01), |
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SMART_DAT(0xBE), |
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SMART_DELAY(100), |
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/* display mode : 240*320 */ |
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SMART_CMD(0x00), /* RAM address set(H) 0*/ |
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SMART_CMD(0x20), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* RAM address set(V) 4*/ |
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SMART_CMD(0x21), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* Start of Window RAM address set(H) 8*/ |
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SMART_CMD(0x50), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* End of Window RAM address set(H) 12*/ |
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SMART_CMD(0x51), |
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SMART_DAT(0x00), |
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SMART_DAT(0xEF), |
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SMART_CMD(0x00), /* Start of Window RAM address set(V) 16*/ |
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SMART_CMD(0x52), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* End of Window RAM address set(V) 20*/ |
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SMART_CMD(0x53), |
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SMART_DAT(0x01), |
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SMART_DAT(0x3F), |
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SMART_CMD(0x00), /* Panel interface control 1 */ |
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SMART_CMD(0x90), |
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SMART_DAT(0x00), |
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SMART_DAT(0x1A), |
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SMART_CMD(0x00), /* Panel interface control 2 */ |
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SMART_CMD(0x92), |
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SMART_DAT(0x04), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* Panel interface control 3 */ |
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SMART_CMD(0x93), |
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SMART_DAT(0x00), |
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SMART_DAT(0x05), |
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SMART_DELAY(20), |
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}; |
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static uint16_t lcd_panel_on[] = { |
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SMART_CMD(0x00), |
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SMART_CMD(0x07), |
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SMART_DAT(0x00), |
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SMART_DAT(0x21), |
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SMART_DELAY(1), |
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SMART_CMD(0x00), |
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SMART_CMD(0x07), |
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SMART_DAT(0x00), |
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SMART_DAT(0x61), |
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SMART_DELAY(100), |
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SMART_CMD(0x00), |
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SMART_CMD(0x07), |
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SMART_DAT(0x01), |
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SMART_DAT(0x73), |
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SMART_DELAY(1), |
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}; |
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static uint16_t lcd_panel_off[] = { |
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SMART_CMD(0x00), |
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SMART_CMD(0x07), |
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SMART_DAT(0x00), |
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SMART_DAT(0x72), |
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SMART_DELAY(40), |
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SMART_CMD(0x00), |
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SMART_CMD(0x07), |
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SMART_DAT(0x00), |
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SMART_DAT(0x01), |
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SMART_DELAY(1), |
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SMART_CMD(0x00), |
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SMART_CMD(0x07), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_DELAY(1), |
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}; |
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static uint16_t lcd_power_off[] = { |
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SMART_CMD(0x00), |
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SMART_CMD(0x10), |
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SMART_DAT(0x00), |
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SMART_DAT(0x80), |
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SMART_CMD(0x00), |
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SMART_CMD(0x11), |
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SMART_DAT(0x01), |
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SMART_DAT(0x60), |
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SMART_CMD(0x00), |
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SMART_CMD(0x12), |
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SMART_DAT(0x01), |
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SMART_DAT(0xAE), |
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SMART_DELAY(40), |
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SMART_CMD(0x00), |
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SMART_CMD(0x10), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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}; |
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static uint16_t update_framedata[] = { |
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/* set display ram: 240*320 */ |
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SMART_CMD(0x00), /* RAM address set(H) 0*/ |
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SMART_CMD(0x20), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* RAM address set(V) 4*/ |
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SMART_CMD(0x21), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* Start of Window RAM address set(H) 8 */ |
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SMART_CMD(0x50), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* End of Window RAM address set(H) 12 */ |
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SMART_CMD(0x51), |
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SMART_DAT(0x00), |
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SMART_DAT(0xEF), |
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SMART_CMD(0x00), /* Start of Window RAM address set(V) 16 */ |
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SMART_CMD(0x52), |
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SMART_DAT(0x00), |
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SMART_DAT(0x00), |
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SMART_CMD(0x00), /* End of Window RAM address set(V) 20 */ |
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SMART_CMD(0x53), |
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SMART_DAT(0x01), |
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SMART_DAT(0x3F), |
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/* wait for vsync cmd before transferring frame data */ |
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SMART_CMD_WAIT_FOR_VSYNC, |
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/* write ram */ |
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SMART_CMD(0x00), |
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SMART_CMD(0x22), |
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/* write frame data */ |
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SMART_CMD_WRITE_FRAME, |
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}; |
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static void ltm022a97a_lcd_power(int on, struct fb_var_screeninfo *var) |
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{ |
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static int pin_requested = 0; |
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struct fb_info *info = container_of(var, struct fb_info, var); |
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int err; |
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if (!pin_requested) { |
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err = gpio_request(GPIO_LCD_RESET, "lcd reset"); |
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if (err) { |
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pr_err("failed to request gpio for LCD reset\n"); |
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return; |
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} |
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gpio_direction_output(GPIO_LCD_RESET, 0); |
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pin_requested = 1; |
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} |
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if (on) { |
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gpio_set_value(GPIO_LCD_RESET, 0); msleep(100); |
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gpio_set_value(GPIO_LCD_RESET, 1); msleep(10); |
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pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_power_on)); |
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pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_panel_on)); |
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} else { |
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pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_panel_off)); |
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pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_power_off)); |
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} |
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err = pxafb_smart_flush(info); |
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if (err) |
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pr_err("%s: timed out\n", __func__); |
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} |
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static void ltm022a97a_update(struct fb_info *info) |
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{ |
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pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata)); |
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pxafb_smart_flush(info); |
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} |
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static struct pxafb_mode_info toshiba_ltm022a97a_modes[] = { |
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[0] = { |
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.xres = 240, |
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.yres = 320, |
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.bpp = 16, |
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.a0csrd_set_hld = 30, |
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.a0cswr_set_hld = 30, |
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.wr_pulse_width = 30, |
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.rd_pulse_width = 30, |
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.op_hold_time = 30, |
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.cmd_inh_time = 60, |
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/* L_LCLK_A0 and L_LCLK_RD active low */ |
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.sync = FB_SYNC_HOR_HIGH_ACT | |
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FB_SYNC_VERT_HIGH_ACT, |
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}, |
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}; |
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static struct pxafb_mach_info saar_lcd_info = { |
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.modes = toshiba_ltm022a97a_modes, |
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.num_modes = 1, |
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.lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL, |
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.pxafb_lcd_power = ltm022a97a_lcd_power, |
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.smart_update = ltm022a97a_update, |
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}; |
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static void __init saar_init_lcd(void) |
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{ |
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pxa_set_fb_info(NULL, &saar_lcd_info); |
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} |
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#else |
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static inline void saar_init_lcd(void) {} |
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#endif |
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#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) |
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static struct da9034_backlight_pdata saar_da9034_backlight = { |
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.output_current = 4, /* 4mA */ |
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}; |
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static struct da903x_subdev_info saar_da9034_subdevs[] = { |
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[0] = { |
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.name = "da903x-backlight", |
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.id = DA9034_ID_WLED, |
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.platform_data = &saar_da9034_backlight, |
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}, |
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}; |
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static struct da903x_platform_data saar_da9034_info = { |
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.num_subdevs = ARRAY_SIZE(saar_da9034_subdevs), |
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.subdevs = saar_da9034_subdevs, |
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}; |
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static struct i2c_board_info saar_i2c_info[] = { |
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[0] = { |
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.type = "da9034", |
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.addr = 0x34, |
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.platform_data = &saar_da9034_info, |
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.irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO83)), |
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}, |
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}; |
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static void __init saar_init_i2c(void) |
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{ |
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pxa_set_i2c_info(NULL); |
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i2c_register_board_info(0, ARRAY_AND_SIZE(saar_i2c_info)); |
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} |
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#else |
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static inline void saar_init_i2c(void) {} |
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#endif |
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#if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE) |
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static struct mtd_partition saar_onenand_partitions[] = { |
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{ |
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.name = "bootloader", |
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.offset = 0, |
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.size = SZ_1M, |
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.mask_flags = MTD_WRITEABLE, |
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}, { |
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.name = "reserved", |
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.offset = MTDPART_OFS_APPEND, |
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.size = SZ_128K, |
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.mask_flags = MTD_WRITEABLE, |
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}, { |
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.name = "reserved", |
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.offset = MTDPART_OFS_APPEND, |
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.size = SZ_8M, |
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.mask_flags = MTD_WRITEABLE, |
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}, { |
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.name = "kernel", |
|
.offset = MTDPART_OFS_APPEND, |
|
.size = (SZ_2M + SZ_1M), |
|
.mask_flags = 0, |
|
}, { |
|
.name = "filesystem", |
|
.offset = MTDPART_OFS_APPEND, |
|
.size = SZ_32M + SZ_16M, |
|
.mask_flags = 0, |
|
} |
|
}; |
|
|
|
static struct onenand_platform_data saar_onenand_info = { |
|
.parts = saar_onenand_partitions, |
|
.nr_parts = ARRAY_SIZE(saar_onenand_partitions), |
|
}; |
|
|
|
#define SMC_CS0_PHYS_BASE (0x10000000) |
|
|
|
static struct resource saar_resource_onenand[] = { |
|
[0] = { |
|
.start = SMC_CS0_PHYS_BASE, |
|
.end = SMC_CS0_PHYS_BASE + SZ_1M, |
|
.flags = IORESOURCE_MEM, |
|
}, |
|
}; |
|
|
|
static struct platform_device saar_device_onenand = { |
|
.name = "onenand-flash", |
|
.id = -1, |
|
.dev = { |
|
.platform_data = &saar_onenand_info, |
|
}, |
|
.resource = saar_resource_onenand, |
|
.num_resources = ARRAY_SIZE(saar_resource_onenand), |
|
}; |
|
|
|
static void __init saar_init_onenand(void) |
|
{ |
|
platform_device_register(&saar_device_onenand); |
|
} |
|
#else |
|
static void __init saar_init_onenand(void) {} |
|
#endif |
|
|
|
static void __init saar_init(void) |
|
{ |
|
/* initialize MFP configurations */ |
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(saar_mfp_cfg)); |
|
|
|
pxa_set_ffuart_info(NULL); |
|
pxa_set_btuart_info(NULL); |
|
pxa_set_stuart_info(NULL); |
|
|
|
platform_device_register(&smc91x_device); |
|
saar_init_onenand(); |
|
|
|
saar_init_i2c(); |
|
saar_init_lcd(); |
|
} |
|
|
|
MACHINE_START(SAAR, "PXA930 Handheld Platform (aka SAAR)") |
|
/* Maintainer: Eric Miao <[email protected]> */ |
|
.atag_offset = 0x100, |
|
.map_io = pxa3xx_map_io, |
|
.nr_irqs = PXA_NR_IRQS, |
|
.init_irq = pxa3xx_init_irq, |
|
.handle_irq = pxa3xx_handle_irq, |
|
.init_time = pxa_timer_init, |
|
.init_machine = saar_init, |
|
.restart = pxa_restart, |
|
MACHINE_END
|
|
|