/* * linux/arch/arm/mach-omap1/board-palmte.c * * Modified from board-generic.c * * Support for the Palm Tungsten E PDA. * * Original version : Laurent Gonzalez * * Maintainers : http://palmtelinux.sf.net * palmtelinux-developpers@lists.sf.net * * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/input.h> #include <linux/platform_device.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/spi/spi.h> #include <linux/spi/tsc2102.h> #include <linux/interrupt.h> #include <linux/apm-emulation.h> #include <asm/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/flash.h> #include <asm/arch/gpio.h> #include <asm/arch/mux.h> #include <asm/arch/usb.h> #include <asm/arch/tc.h> #include <asm/arch/dma.h> #include <asm/arch/board.h> #include <asm/arch/irda.h> #include <asm/arch/keypad.h> #include <asm/arch/common.h> #include <asm/arch/mcbsp.h> #include <asm/arch/omap-alsa.h> static void __init omap_palmte_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); omap_gpio_init(); } static const int palmte_keymap[] = { KEY(0, 0, KEY_F1), /* Calendar */ KEY(0, 1, KEY_F2), /* Contacts */ KEY(0, 2, KEY_F3), /* Tasks List */ KEY(0, 3, KEY_F4), /* Note Pad */ KEY(0, 4, KEY_POWER), KEY(1, 0, KEY_LEFT), KEY(1, 1, KEY_DOWN), KEY(1, 2, KEY_UP), KEY(1, 3, KEY_RIGHT), KEY(1, 4, KEY_CENTER), 0, }; static struct omap_kp_platform_data palmte_kp_data = { .rows = 8, .cols = 8, .keymap = (int *) palmte_keymap, .rep = 1, .delay = 12, }; static struct resource palmte_kp_resources[] = { [0] = { .start = INT_KEYBOARD, .end = INT_KEYBOARD, .flags = IORESOURCE_IRQ, }, }; static struct platform_device palmte_kp_device = { .name = "omap-keypad", .id = -1, .dev = { .platform_data = &palmte_kp_data, }, .num_resources = ARRAY_SIZE(palmte_kp_resources), .resource = palmte_kp_resources, }; static struct mtd_partition palmte_rom_partitions[] = { /* PalmOS "Small ROM", contains the bootloader and the debugger */ { .name = "smallrom", .offset = 0, .size = 0xa000, .mask_flags = MTD_WRITEABLE, }, /* PalmOS "Big ROM", a filesystem with all the OS code and data */ { .name = "bigrom", .offset = SZ_128K, /* * 0x5f0000 bytes big in the multi-language ("EFIGS") version, * 0x7b0000 bytes in the English-only ("enUS") version. */ .size = 0x7b0000, .mask_flags = MTD_WRITEABLE, }, }; static struct flash_platform_data palmte_rom_data = { .map_name = "map_rom", .width = 2, .parts = palmte_rom_partitions, .nr_parts = ARRAY_SIZE(palmte_rom_partitions), }; static struct resource palmte_rom_resource = { .start = OMAP_CS0_PHYS, .end = OMAP_CS0_PHYS + SZ_8M - 1, .flags = IORESOURCE_MEM, }; static struct platform_device palmte_rom_device = { .name = "omapflash", .id = -1, .dev = { .platform_data = &palmte_rom_data, }, .num_resources = 1, .resource = &palmte_rom_resource, }; static struct platform_device palmte_lcd_device = { .name = "lcd_palmte", .id = -1, }; static struct omap_backlight_config palmte_backlight_config = { .default_intensity = 0xa0, }; static struct platform_device palmte_backlight_device = { .name = "omap-bl", .id = -1, .dev = { .platform_data = &palmte_backlight_config, }, }; static struct omap_irda_config palmte_irda_config = { .transceiver_cap = IR_SIRMODE, .rx_channel = OMAP_DMA_UART3_RX, .tx_channel = OMAP_DMA_UART3_TX, .dest_start = UART3_THR, .src_start = UART3_RHR, .tx_trigger = 0, .rx_trigger = 0, }; static struct resource palmte_irda_resources[] = { [0] = { .start = INT_UART3, .end = INT_UART3, .flags = IORESOURCE_IRQ, }, }; static struct platform_device palmte_irda_device = { .name = "omapirda", .id = -1, .dev = { .platform_data = &palmte_irda_config, }, .num_resources = ARRAY_SIZE(palmte_irda_resources), .resource = palmte_irda_resources, }; static struct platform_device *palmte_devices[] __initdata = { &palmte_rom_device, &palmte_kp_device, &palmte_lcd_device, &palmte_backlight_device, &palmte_irda_device, }; static struct omap_usb_config palmte_usb_config __initdata = { .register_dev = 1, /* Mini-B only receptacle */ .hmc_mode = 0, .pins[0] = 2, }; static struct omap_mmc_config palmte_mmc_config __initdata = { .mmc[0] = { .enabled = 1, .wp_pin = PALMTE_MMC_WP_GPIO, .power_pin = PALMTE_MMC_POWER_GPIO, .switch_pin = PALMTE_MMC_SWITCH_GPIO, }, }; static struct omap_lcd_config palmte_lcd_config __initdata = { .ctrl_name = "internal", }; static struct omap_uart_config palmte_uart_config __initdata = { .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2), }; static struct omap_mcbsp_reg_cfg palmte_mcbsp1_regs = { .spcr2 = FRST | GRST | XRST | XINTM(3), .xcr2 = XDATDLY(1) | XFIG, .xcr1 = XWDLEN1(OMAP_MCBSP_WORD_32), .pcr0 = SCLKME | FSXP | CLKXP, }; static struct omap_alsa_codec_config palmte_alsa_config = { .name = "TSC2102 audio", .mcbsp_regs_alsa = &palmte_mcbsp1_regs, .codec_configure_dev = NULL, /* tsc2102_configure, */ .codec_set_samplerate = NULL, /* tsc2102_set_samplerate, */ .codec_clock_setup = NULL, /* tsc2102_clock_setup, */ .codec_clock_on = NULL, /* tsc2102_clock_on, */ .codec_clock_off = NULL, /* tsc2102_clock_off, */ .get_default_samplerate = NULL, /* tsc2102_get_default_samplerate, */ }; #ifdef CONFIG_APM /* * Values measured in 10 minute intervals averaged over 10 samples. * May differ slightly from device to device but should be accurate * enough to give basic idea of battery life left and trigger * potential alerts. */ static const int palmte_battery_sample[] = { 2194, 2157, 2138, 2120, 2104, 2089, 2075, 2061, 2048, 2038, 2026, 2016, 2008, 1998, 1989, 1980, 1970, 1958, 1945, 1928, 1910, 1888, 1860, 1827, 1791, 1751, 1709, 1656, }; #define INTERVAL 10 #define BATTERY_HIGH_TRESHOLD 66 #define BATTERY_LOW_TRESHOLD 33 static void palmte_get_power_status(struct apm_power_info *info, int *battery) { int charging, batt, hi, lo, mid; charging = !omap_get_gpio_datain(PALMTE_DC_GPIO); batt = battery[0]; if (charging) batt -= 60; hi = ARRAY_SIZE(palmte_battery_sample); lo = 0; info->battery_flag = 0; info->units = APM_UNITS_MINS; if (batt > palmte_battery_sample[lo]) { info->battery_life = 100; info->time = INTERVAL * ARRAY_SIZE(palmte_battery_sample); } else if (batt <= palmte_battery_sample[hi - 1]) { info->battery_life = 0; info->time = 0; } else { while (hi > lo + 1) { mid = (hi + lo) >> 1; if (batt <= palmte_battery_sample[mid]) lo = mid; else hi = mid; } mid = palmte_battery_sample[lo] - palmte_battery_sample[hi]; hi = palmte_battery_sample[lo] - batt; info->battery_life = 100 - (100 * lo + 100 * hi / mid) / ARRAY_SIZE(palmte_battery_sample); info->time = INTERVAL * (ARRAY_SIZE(palmte_battery_sample) - lo) - INTERVAL * hi / mid; } if (charging) { info->ac_line_status = APM_AC_ONLINE; info->battery_status = APM_BATTERY_STATUS_CHARGING; info->battery_flag |= APM_BATTERY_FLAG_CHARGING; } else { info->ac_line_status = APM_AC_OFFLINE; if (info->battery_life > BATTERY_HIGH_TRESHOLD) info->battery_status = APM_BATTERY_STATUS_HIGH; else if (info->battery_life > BATTERY_LOW_TRESHOLD) info->battery_status = APM_BATTERY_STATUS_LOW; else info->battery_status = APM_BATTERY_STATUS_CRITICAL; } if (info->battery_life > BATTERY_HIGH_TRESHOLD) info->battery_flag |= APM_BATTERY_FLAG_HIGH; else if (info->battery_life > BATTERY_LOW_TRESHOLD) info->battery_flag |= APM_BATTERY_FLAG_LOW; else info->battery_flag |= APM_BATTERY_FLAG_CRITICAL; } #else #define palmte_get_power_status NULL #endif static struct tsc2102_config palmte_tsc2102_config = { .use_internal = 0, .monitor = TSC_BAT1 | TSC_AUX | TSC_TEMP, .temp_at25c = { 2200, 2615 }, .apm_report = palmte_get_power_status, .alsa_config = &palmte_alsa_config, }; static struct omap_board_config_kernel palmte_config[] __initdata = { { OMAP_TAG_USB, &palmte_usb_config }, { OMAP_TAG_MMC, &palmte_mmc_config }, { OMAP_TAG_LCD, &palmte_lcd_config }, { OMAP_TAG_UART, &palmte_uart_config }, }; static struct spi_board_info palmte_spi_info[] __initdata = { { .modalias = "tsc2102", .bus_num = 2, /* uWire (officially) */ .chip_select = 0, /* As opposed to 3 */ .irq = OMAP_GPIO_IRQ(PALMTE_PINTDAV_GPIO), .platform_data = &palmte_tsc2102_config, .max_speed_hz = 8000000, }, }; static void palmte_headphones_detect(void *data, int state) { if (state) { /* Headphones connected, disable speaker */ omap_set_gpio_dataout(PALMTE_SPEAKER_GPIO, 0); printk(KERN_INFO "PM: speaker off\n"); } else { /* Headphones unplugged, re-enable speaker */ omap_set_gpio_dataout(PALMTE_SPEAKER_GPIO, 1); printk(KERN_INFO "PM: speaker on\n"); } } static void __init palmte_misc_gpio_setup(void) { /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */ if (omap_request_gpio(PALMTE_PINTDAV_GPIO)) { printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n"); return; } omap_set_gpio_direction(PALMTE_PINTDAV_GPIO, 1); /* Set USB-or-DC-IN pin as input (unused) */ if (omap_request_gpio(PALMTE_USB_OR_DC_GPIO)) { printk(KERN_ERR "Could not reserve cable signal GPIO!\n"); return; } omap_set_gpio_direction(PALMTE_USB_OR_DC_GPIO, 1); } static void __init omap_palmte_init(void) { omap_board_config = palmte_config; omap_board_config_size = ARRAY_SIZE(palmte_config); platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices)); spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info)); palmte_misc_gpio_setup(); omap_serial_init(); omap_register_i2c_bus(1, 100, NULL, 0); } static void __init omap_palmte_map_io(void) { omap1_map_common_io(); } MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E") .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, .map_io = omap_palmte_map_io, .init_irq = omap_palmte_init_irq, .init_machine = omap_palmte_init, .timer = &omap_timer, MACHINE_END