Merge branch 'linus' into x86/i8259
[sfrench/cifs-2.6.git] / arch / arm / mach-omap1 / board-palmte.c
index 015824185629104307e65f1360c102ec797e23e5..a4d20127a60e001ac056def6c41943be765c08eb 100644 (file)
@@ -10,6 +10,8 @@
  * 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/notifier.h>
-#include <linux/clk.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/spi/spi.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_generic_init_irq(void)
+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_ENTER),
+       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 platform_device *devices[] __initdata = {
+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,
+       .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 +208,173 @@ static struct omap_lcd_config palmte_lcd_config __initdata = {
        .ctrl_name      = "internal",
 };
 
-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 },
+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,
 };
 
-static void __init omap_generic_init(void)
+#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 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),
+               .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(devices, ARRAY_SIZE(devices));
+       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_generic_map_io(void)
+static void __init omap_palmte_map_io(void)
 {
        omap1_map_common_io();
 }
@@ -90,8 +383,8 @@ 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