diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-palmte.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-palmte.c | 377 |
1 files changed, 359 insertions, 18 deletions
diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c index 015824185629..2f9d00a00135 100644 --- a/arch/arm/mach-omap1/board-palmte.c +++ b/arch/arm/mach-omap1/board-palmte.c @@ -17,49 +17,189 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/input.h> #include <linux/platform_device.h> -#include <linux/notifier.h> -#include <linux/clk.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 <asm/apm.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_generic_init_irq(void) +static void __init omap_palmte_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); + omap_gpio_init(); } +static int palmte_keymap[] = { + KEY(0, 0, KEY_F1), + KEY(0, 1, KEY_F2), + KEY(0, 2, KEY_F3), + KEY(0, 3, KEY_F4), + 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 = 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 *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, + .register_dev = 1, /* Mini-B only receptacle */ .hmc_mode = 0, - .pins[0] = 3, + .pins[0] = 2, }; static struct omap_mmc_config palmte_mmc_config __initdata = { - .mmc [0] = { + .mmc[0] = { .enabled = 1, - .wire4 = 1, - .wp_pin = OMAP_MPUIO(3), - .power_pin = -1, - .switch_pin = -1, + .wp_pin = PALMTE_MMC_WP_GPIO, + .power_pin = PALMTE_MMC_POWER_GPIO, + .switch_pin = PALMTE_MMC_SWITCH_GPIO, }, }; @@ -67,21 +207,222 @@ 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) >> 2; + 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[] = { - { OMAP_TAG_USB, &palmte_usb_config }, - { OMAP_TAG_MMC, &palmte_mmc_config }, - { OMAP_TAG_LCD, &palmte_lcd_config }, + { 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 void __init omap_generic_init(void) +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, + }, +}; + +/* Periodically check for changes on important input pins */ +struct timer_list palmte_pin_timer; +int prev_power, prev_headphones; + +static void palmte_pin_handler(unsigned long data) { + int power, headphones; + + power = !omap_get_gpio_datain(PALMTE_DC_GPIO); + headphones = omap_get_gpio_datain(PALMTE_HEADPHONES_GPIO); + + if (power && !prev_power) + printk(KERN_INFO "PM: cable connected\n"); + else if (!power && prev_power) + printk(KERN_INFO "PM: cable disconnected\n"); + + if (headphones && !prev_headphones) { + /* Headphones connected, disable speaker */ + omap_set_gpio_dataout(PALMTE_SPEAKER_GPIO, 0); + printk(KERN_INFO "PM: speaker off\n"); + } else if (!headphones && prev_headphones) { + /* Headphones unplugged, re-enable speaker */ + omap_set_gpio_dataout(PALMTE_SPEAKER_GPIO, 1); + printk(KERN_INFO "PM: speaker on\n"); + } + + prev_power = power; + prev_headphones = headphones; + mod_timer(&palmte_pin_timer, jiffies + msecs_to_jiffies(500)); +} + +static void __init palmte_gpio_setup(void) +{ + /* Set TSC2102 PINTDAV pin as input */ + 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); + + /* Monitor cable-connected signals */ + if (omap_request_gpio(PALMTE_DC_GPIO) || + omap_request_gpio(PALMTE_USB_OR_DC_GPIO) || + omap_request_gpio(PALMTE_USBDETECT_GPIO)) { + printk(KERN_ERR "Could not reserve cable signal GPIO!\n"); + return; + } + omap_set_gpio_direction(PALMTE_DC_GPIO, 1); + omap_set_gpio_direction(PALMTE_USB_OR_DC_GPIO, 1); + omap_set_gpio_direction(PALMTE_USBDETECT_GPIO, 1); + + /* Set speaker-enable pin as output */ + if (omap_request_gpio(PALMTE_SPEAKER_GPIO)) { + printk(KERN_ERR "Could not reserve speaker GPIO!\n"); + return; + } + omap_set_gpio_direction(PALMTE_SPEAKER_GPIO, 0); + + /* Monitor the headphones-connected signal */ + if (omap_request_gpio(PALMTE_HEADPHONES_GPIO)) { + printk(KERN_ERR "Could not reserve headphones signal GPIO!\n"); + return; + } + omap_set_gpio_direction(PALMTE_HEADPHONES_GPIO, 1); + + prev_power = omap_get_gpio_datain(PALMTE_DC_GPIO); + prev_headphones = !omap_get_gpio_datain(PALMTE_HEADPHONES_GPIO); + setup_timer(&palmte_pin_timer, palmte_pin_handler, 0); + palmte_pin_handler(0); +} + +static void __init omap_palmte_init(void) { omap_board_config = palmte_config; omap_board_config_size = ARRAY_SIZE(palmte_config); platform_add_devices(devices, ARRAY_SIZE(devices)); + + spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info)); + + omap_serial_init(); + palmte_gpio_setup(); } -static void __init omap_generic_map_io(void) +static void __init omap_palmte_map_io(void) { omap1_map_common_io(); } @@ -90,8 +431,8 @@ MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E") .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, - .map_io = omap_generic_map_io, - .init_irq = omap_generic_init_irq, - .init_machine = omap_generic_init, + .map_io = omap_palmte_map_io, + .init_irq = omap_palmte_init_irq, + .init_machine = omap_palmte_init, .timer = &omap_timer, MACHINE_END |