/* * Support for HTC Magician PDA phones: * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110 * and T-Mobile MDA Compact. * * Copyright (c) 2006-2007 Philipp Zabel * * Based on hx4700.c, spitz.c and others. * * 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/platform_device.h> #include <linux/delay.h> #include <linux/gpio.h> #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/mfd/htc-egpio.h> #include <linux/mfd/htc-pasic3.h> #include <linux/mtd/physmap.h> #include <linux/pda_power.h> #include <linux/pwm_backlight.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/magician.h> #include <mach/mfp-pxa27x.h> #include <mach/pxa-regs.h> #include <mach/pxa2xx-regs.h> #include <mach/pxafb.h> #include <mach/i2c.h> #include <mach/mmc.h> #include <mach/irda.h> #include <mach/ohci.h> #include "devices.h" #include "generic.h" static unsigned long magician_pin_config[] __initdata = { /* SDRAM and Static Memory I/O Signals */ GPIO20_nSDCS_2, GPIO21_nSDCS_3, GPIO15_nCS_1, GPIO78_nCS_2, /* PASIC3 */ GPIO79_nCS_3, /* EGPIO CPLD */ GPIO80_nCS_4, GPIO33_nCS_5, /* I2C */ GPIO117_I2C_SCL, GPIO118_I2C_SDA, /* PWM 0 */ GPIO16_PWM0_OUT, /* I2S */ GPIO28_I2S_BITCLK_OUT, GPIO29_I2S_SDATA_IN, GPIO31_I2S_SYNC, GPIO113_I2S_SYSCLK, /* SSP 2 */ GPIO19_SSP2_SCLK, GPIO14_SSP2_SFRM, GPIO89_SSP2_TXD, GPIO88_SSP2_RXD, /* MMC */ GPIO32_MMC_CLK, GPIO92_MMC_DAT_0, GPIO109_MMC_DAT_1, GPIO110_MMC_DAT_2, GPIO111_MMC_DAT_3, GPIO112_MMC_CMD, /* LCD */ GPIO58_LCD_LDD_0, GPIO59_LCD_LDD_1, GPIO60_LCD_LDD_2, GPIO61_LCD_LDD_3, GPIO62_LCD_LDD_4, GPIO63_LCD_LDD_5, GPIO64_LCD_LDD_6, GPIO65_LCD_LDD_7, GPIO66_LCD_LDD_8, GPIO67_LCD_LDD_9, GPIO68_LCD_LDD_10, GPIO69_LCD_LDD_11, GPIO70_LCD_LDD_12, GPIO71_LCD_LDD_13, GPIO72_LCD_LDD_14, GPIO73_LCD_LDD_15, GPIO74_LCD_FCLK, GPIO75_LCD_LCLK, GPIO76_LCD_PCLK, GPIO77_LCD_BIAS, /* QCI */ GPIO12_CIF_DD_7, GPIO17_CIF_DD_6, GPIO50_CIF_DD_3, GPIO51_CIF_DD_2, GPIO52_CIF_DD_4, GPIO53_CIF_MCLK, GPIO54_CIF_PCLK, GPIO55_CIF_DD_1, GPIO81_CIF_DD_0, GPIO82_CIF_DD_5, GPIO84_CIF_FV, GPIO85_CIF_LV, /* Magician specific input GPIOs */ GPIO9_GPIO, /* unknown */ GPIO10_GPIO, /* GSM_IRQ */ GPIO13_GPIO, /* CPLD_IRQ */ GPIO107_GPIO, /* DS1WM_IRQ */ GPIO108_GPIO, /* GSM_READY */ GPIO115_GPIO, /* nPEN_IRQ */ }; /* * IRDA */ static void magician_irda_transceiver_mode(struct device *dev, int mode) { gpio_set_value(GPIO83_MAGICIAN_nIR_EN, mode & IR_OFF); pxa2xx_transceiver_mode(dev, mode); } static struct pxaficp_platform_data magician_ficp_info = { .transceiver_cap = IR_SIRMODE | IR_OFF, .transceiver_mode = magician_irda_transceiver_mode, }; /* * GPIO Keys */ static struct gpio_keys_button magician_button_table[] = { {KEY_POWER, GPIO0_MAGICIAN_KEY_POWER, 0, "Power button"}, {KEY_ESC, GPIO37_MAGICIAN_KEY_HANGUP, 0, "Hangup button"}, {KEY_F10, GPIO38_MAGICIAN_KEY_CONTACTS, 0, "Contacts button"}, {KEY_CALENDAR, GPIO90_MAGICIAN_KEY_CALENDAR, 0, "Calendar button"}, {KEY_CAMERA, GPIO91_MAGICIAN_KEY_CAMERA, 0, "Camera button"}, {KEY_UP, GPIO93_MAGICIAN_KEY_UP, 0, "Up button"}, {KEY_DOWN, GPIO94_MAGICIAN_KEY_DOWN, 0, "Down button"}, {KEY_LEFT, GPIO95_MAGICIAN_KEY_LEFT, 0, "Left button"}, {KEY_RIGHT, GPIO96_MAGICIAN_KEY_RIGHT, 0, "Right button"}, {KEY_KPENTER, GPIO97_MAGICIAN_KEY_ENTER, 0, "Action button"}, {KEY_RECORD, GPIO98_MAGICIAN_KEY_RECORD, 0, "Record button"}, {KEY_VOLUMEUP, GPIO100_MAGICIAN_KEY_VOL_UP, 0, "Volume up"}, {KEY_VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, 0, "Volume down"}, {KEY_PHONE, GPIO102_MAGICIAN_KEY_PHONE, 0, "Phone button"}, {KEY_PLAY, GPIO99_MAGICIAN_HEADPHONE_IN, 0, "Headset button"}, }; static struct gpio_keys_platform_data gpio_keys_data = { .buttons = magician_button_table, .nbuttons = ARRAY_SIZE(magician_button_table), }; static struct platform_device gpio_keys = { .name = "gpio-keys", .dev = { .platform_data = &gpio_keys_data, }, .id = -1, }; /* * EGPIO (Xilinx CPLD) * * 7 32-bit aligned 8-bit registers: 3x output, 1x irq, 3x input */ static struct resource egpio_resources[] = { [0] = { .start = PXA_CS3_PHYS, .end = PXA_CS3_PHYS + 0x20, .flags = IORESOURCE_MEM, }, [1] = { .start = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ), .end = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ), .flags = IORESOURCE_IRQ, }, }; static struct htc_egpio_chip egpio_chips[] = { [0] = { .reg_start = 0, .gpio_base = MAGICIAN_EGPIO(0, 0), .num_gpios = 24, .direction = HTC_EGPIO_OUTPUT, .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */ }, [1] = { .reg_start = 4, .gpio_base = MAGICIAN_EGPIO(4, 0), .num_gpios = 24, .direction = HTC_EGPIO_INPUT, }, }; static struct htc_egpio_platform_data egpio_info = { .reg_width = 8, .bus_width = 32, .irq_base = IRQ_BOARD_START, .num_irqs = 4, .ack_register = 3, .chip = egpio_chips, .num_chips = ARRAY_SIZE(egpio_chips), }; static struct platform_device egpio = { .name = "htc-egpio", .id = -1, .resource = egpio_resources, .num_resources = ARRAY_SIZE(egpio_resources), .dev = { .platform_data = &egpio_info, }, }; /* * LCD - Toppoly TD028STEB1 or Samsung LTP280QV */ static struct pxafb_mode_info toppoly_modes[] = { { .pixclock = 96153, .bpp = 16, .xres = 240, .yres = 320, .hsync_len = 11, .vsync_len = 3, .left_margin = 19, .upper_margin = 2, .right_margin = 10, .lower_margin = 2, .sync = 0, }, }; static struct pxafb_mode_info samsung_modes[] = { { .pixclock = 96153, .bpp = 16, .xres = 240, .yres = 320, .hsync_len = 8, .vsync_len = 4, .left_margin = 9, .upper_margin = 4, .right_margin = 9, .lower_margin = 4, .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, }, }; static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si) { pr_debug("Toppoly LCD power\n"); if (on) { pr_debug("on\n"); gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1); gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1); udelay(2000); gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); udelay(2000); /* FIXME: enable LCDC here */ udelay(2000); gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1); udelay(2000); gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1); } else { pr_debug("off\n"); msleep(15); gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0); udelay(500); gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0); udelay(1000); gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0); gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0); } } static void samsung_lcd_power(int on, struct fb_var_screeninfo *si) { pr_debug("Samsung LCD power\n"); if (on) { pr_debug("on\n"); if (system_rev < 3) gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1); else gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); mdelay(10); gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1); mdelay(10); gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1); mdelay(30); gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1); mdelay(10); } else { pr_debug("off\n"); mdelay(10); gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0); mdelay(30); gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0); mdelay(10); gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0); mdelay(10); if (system_rev < 3) gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0); else gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0); } } static struct pxafb_mach_info toppoly_info = { .modes = toppoly_modes, .num_modes = 1, .fixed_modes = 1, .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, .lccr3 = LCCR3_PixRsEdg, .pxafb_lcd_power = toppoly_lcd_power, }; static struct pxafb_mach_info samsung_info = { .modes = samsung_modes, .num_modes = 1, .fixed_modes = 1, .lccr0 = LCCR0_LDDALT | LCCR0_Color | LCCR0_Sngl | LCCR0_Act, .lccr3 = LCCR3_PixFlEdg, .pxafb_lcd_power = samsung_lcd_power, }; /* * Backlight */ static int magician_backlight_init(struct device *dev) { int ret; ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER"); if (ret) goto err; ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2"); if (ret) goto err2; return 0; err2: gpio_free(EGPIO_MAGICIAN_BL_POWER); err: return ret; } static int magician_backlight_notify(int brightness) { gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness); if (brightness >= 200) { gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1); return brightness - 72; } else { gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0); return brightness; } } static void magician_backlight_exit(struct device *dev) { gpio_free(EGPIO_MAGICIAN_BL_POWER); gpio_free(EGPIO_MAGICIAN_BL_POWER2); } static struct platform_pwm_backlight_data backlight_data = { .pwm_id = 0, .max_brightness = 272, .dft_brightness = 100, .pwm_period_ns = 30923, .init = magician_backlight_init, .notify = magician_backlight_notify, .exit = magician_backlight_exit, }; static struct platform_device backlight = { .name = "pwm-backlight", .id = -1, .dev = { .parent = &pxa27x_device_pwm0.dev, .platform_data = &backlight_data, }, }; /* * LEDs */ struct gpio_led gpio_leds[] = { { .name = "magician::vibra", .default_trigger = "none", .gpio = GPIO22_MAGICIAN_VIBRA_EN, }, { .name = "magician::phone_bl", .default_trigger = "none", .gpio = GPIO103_MAGICIAN_LED_KP, }, }; static struct gpio_led_platform_data gpio_led_info = { .leds = gpio_leds, .num_leds = ARRAY_SIZE(gpio_leds), }; static struct platform_device leds_gpio = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &gpio_led_info, }, }; static struct pasic3_led pasic3_leds[] = { { .led = { .name = "magician:red", .default_trigger = "ds2760-battery.0-charging", }, .hw_num = 0, .bit2 = PASIC3_BIT2_LED0, .mask = PASIC3_MASK_LED0, }, { .led = { .name = "magician:green", .default_trigger = "ds2760-battery.0-charging-or-full", }, .hw_num = 1, .bit2 = PASIC3_BIT2_LED1, .mask = PASIC3_MASK_LED1, }, { .led = { .name = "magician:blue", .default_trigger = "bluetooth", }, .hw_num = 2, .bit2 = PASIC3_BIT2_LED2, .mask = PASIC3_MASK_LED2, }, }; static struct platform_device pasic3; static struct pasic3_leds_machinfo pasic3_leds_info = { .num_leds = ARRAY_SIZE(pasic3_leds), .power_gpio = EGPIO_MAGICIAN_LED_POWER, .leds = pasic3_leds, }; /* * PASIC3 with DS1WM */ static struct resource pasic3_resources[] = { [0] = { .start = PXA_CS2_PHYS, .end = PXA_CS2_PHYS + 0x1b, .flags = IORESOURCE_MEM, }, /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */ [1] = { .start = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ), .end = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, } }; static struct pasic3_platform_data pasic3_platform_data = { .bus_shift = 2, .led_pdata = &pasic3_leds_info, .clock_rate = 4000000, }; static struct platform_device pasic3 = { .name = "pasic3", .id = -1, .num_resources = ARRAY_SIZE(pasic3_resources), .resource = pasic3_resources, .dev = { .platform_data = &pasic3_platform_data, }, }; /* * External power */ static int power_supply_init(struct device *dev) { int ret; ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_AC, "CABLE_STATE_AC"); if (ret) goto err_cs_ac; ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_USB, "CABLE_STATE_USB"); if (ret) goto err_cs_usb; ret = gpio_request(EGPIO_MAGICIAN_CHARGE_EN, "CHARGE_EN"); if (ret) goto err_chg_en; ret = gpio_request(GPIO30_MAGICIAN_nCHARGE_EN, "nCHARGE_EN"); if (!ret) ret = gpio_direction_output(GPIO30_MAGICIAN_nCHARGE_EN, 0); if (ret) goto err_nchg_en; return 0; err_nchg_en: gpio_free(EGPIO_MAGICIAN_CHARGE_EN); err_chg_en: gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB); err_cs_usb: gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC); err_cs_ac: return ret; } static int magician_is_ac_online(void) { return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC); } static int magician_is_usb_online(void) { return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_USB); } static void magician_set_charge(int flags) { gpio_set_value(GPIO30_MAGICIAN_nCHARGE_EN, !flags); gpio_set_value(EGPIO_MAGICIAN_CHARGE_EN, flags); } static void power_supply_exit(struct device *dev) { gpio_free(GPIO30_MAGICIAN_nCHARGE_EN); gpio_free(EGPIO_MAGICIAN_CHARGE_EN); gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB); gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC); } static char *magician_supplicants[] = { "ds2760-battery.0", "backup-battery" }; static struct pda_power_pdata power_supply_info = { .init = power_supply_init, .is_ac_online = magician_is_ac_online, .is_usb_online = magician_is_usb_online, .set_charge = magician_set_charge, .exit = power_supply_exit, .supplied_to = magician_supplicants, .num_supplicants = ARRAY_SIZE(magician_supplicants), }; static struct resource power_supply_resources[] = { [0] = { .name = "ac", .flags = IORESOURCE_IRQ, .start = IRQ_MAGICIAN_AC, .end = IRQ_MAGICIAN_AC, }, [1] = { .name = "usb", .flags = IORESOURCE_IRQ, .start = IRQ_MAGICIAN_AC, .end = IRQ_MAGICIAN_AC, }, }; static struct platform_device power_supply = { .name = "pda-power", .id = -1, .dev = { .platform_data = &power_supply_info, }, .resource = power_supply_resources, .num_resources = ARRAY_SIZE(power_supply_resources), }; /* * MMC/SD */ static int magician_mci_init(struct device *dev, irq_handler_t detect_irq, void *data) { int err; err = request_irq(IRQ_MAGICIAN_SD, detect_irq, IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "MMC card detect", data); if (err) goto err_request_irq; err = gpio_request(EGPIO_MAGICIAN_SD_POWER, "SD_POWER"); if (err) goto err_request_power; err = gpio_request(EGPIO_MAGICIAN_nSD_READONLY, "nSD_READONLY"); if (err) goto err_request_readonly; return 0; err_request_readonly: gpio_free(EGPIO_MAGICIAN_SD_POWER); err_request_power: free_irq(IRQ_MAGICIAN_SD, data); err_request_irq: return err; } static void magician_mci_setpower(struct device *dev, unsigned int vdd) { struct pxamci_platform_data *pdata = dev->platform_data; gpio_set_value(EGPIO_MAGICIAN_SD_POWER, (1 << vdd) & pdata->ocr_mask); } static int magician_mci_get_ro(struct device *dev) { return (!gpio_get_value(EGPIO_MAGICIAN_nSD_READONLY)); } static void magician_mci_exit(struct device *dev, void *data) { gpio_free(EGPIO_MAGICIAN_nSD_READONLY); gpio_free(EGPIO_MAGICIAN_SD_POWER); free_irq(IRQ_MAGICIAN_SD, data); } static struct pxamci_platform_data magician_mci_info = { .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, .init = magician_mci_init, .get_ro = magician_mci_get_ro, .setpower = magician_mci_setpower, .exit = magician_mci_exit, }; /* * USB OHCI */ static int magician_ohci_init(struct device *dev) { UHCHR = (UHCHR | UHCHR_SSEP2 | UHCHR_PCPL | UHCHR_CGR) & ~(UHCHR_SSEP1 | UHCHR_SSEP3 | UHCHR_SSE); return 0; } static struct pxaohci_platform_data magician_ohci_info = { .port_mode = PMM_PERPORT_MODE, .init = magician_ohci_init, .power_budget = 0, }; /* * StrataFlash */ static void magician_set_vpp(struct map_info *map, int vpp) { gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp); } #define PXA_CS_SIZE 0x04000000 static struct resource strataflash_resource = { .start = PXA_CS0_PHYS, .end = PXA_CS0_PHYS + PXA_CS_SIZE - 1, .flags = IORESOURCE_MEM, }; static struct physmap_flash_data strataflash_data = { .width = 4, .set_vpp = magician_set_vpp, }; static struct platform_device strataflash = { .name = "physmap-flash", .id = -1, .resource = &strataflash_resource, .num_resources = 1, .dev = { .platform_data = &strataflash_data, }, }; /* * Platform devices */ static struct platform_device *devices[] __initdata = { &gpio_keys, &egpio, &backlight, &pasic3, &power_supply, &strataflash, &leds_gpio, }; static void __init magician_init(void) { void __iomem *cpld; int lcd_select; int err; gpio_request(GPIO13_MAGICIAN_CPLD_IRQ, "CPLD_IRQ"); gpio_request(GPIO107_MAGICIAN_DS1WM_IRQ, "DS1WM_IRQ"); pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config)); platform_add_devices(devices, ARRAY_SIZE(devices)); err = gpio_request(GPIO83_MAGICIAN_nIR_EN, "nIR_EN"); if (!err) { gpio_direction_output(GPIO83_MAGICIAN_nIR_EN, 1); pxa_set_ficp_info(&magician_ficp_info); } pxa_set_i2c_info(NULL); pxa_set_mci_info(&magician_mci_info); pxa_set_ohci_info(&magician_ohci_info); /* Check LCD type we have */ cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000); if (cpld) { u8 board_id = __raw_readb(cpld+0x14); iounmap(cpld); system_rev = board_id & 0x7; lcd_select = board_id & 0x8; pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly"); if (lcd_select && (system_rev < 3)) { gpio_request(GPIO75_MAGICIAN_SAMSUNG_POWER, "SAMSUNG_POWER"); gpio_direction_output(GPIO75_MAGICIAN_SAMSUNG_POWER, 0); } gpio_request(GPIO104_MAGICIAN_LCD_POWER_1, "LCD_POWER_1"); gpio_request(GPIO105_MAGICIAN_LCD_POWER_2, "LCD_POWER_2"); gpio_request(GPIO106_MAGICIAN_LCD_POWER_3, "LCD_POWER_3"); gpio_direction_output(GPIO104_MAGICIAN_LCD_POWER_1, 0); gpio_direction_output(GPIO105_MAGICIAN_LCD_POWER_2, 0); gpio_direction_output(GPIO106_MAGICIAN_LCD_POWER_3, 0); set_pxa_fb_info(lcd_select ? &samsung_info : &toppoly_info); } else pr_err("LCD detection: CPLD mapping failed\n"); } MACHINE_START(MAGICIAN, "HTC Magician") .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .boot_params = 0xa0000100, .map_io = pxa_map_io, .init_irq = pxa27x_init_irq, .init_machine = magician_init, .timer = &pxa_timer, MACHINE_END