X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Farm%2Fmach-omap2%2Fboard-omap3pandora.c;h=d82abbf84352bf750aa463d1a06cde9bc4d2cfca;hp=f7811f4cfc3dbe4a059222a4dfdef4eaaaf3e233;hb=48ef82436e24768cc7b94c71f2b40b78eaf8d928;hpb=866d43c9ea88daa3751b58aba16a2a9b7f7aa067 diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index f7811f4cfc3d..d82abbf84352 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include @@ -35,6 +36,9 @@ #include #include #include +#include +#include +#include #include #include @@ -50,12 +54,14 @@ #include "mux.h" #include "sdram-micron-mt46h32m32lf-6.h" +#include "sdram-micron-mt29c4g96mazapcjg-5.h" #include "hsmmc.h" #include "common-board-devices.h" #define PANDORA_WIFI_IRQ_GPIO 21 #define PANDORA_WIFI_NRESET_GPIO 23 #define OMAP3_PANDORA_TS_GPIO 94 +#define PANDORA_EN_USB_5V_GPIO 164 static struct mtd_partition omap3pandora_nand_partitions[] = { { @@ -88,6 +94,7 @@ static struct omap_nand_platform_data pandora_nand_data = { .xfer_type = NAND_OMAP_PREFETCH_DMA, .parts = omap3pandora_nand_partitions, .nr_parts = ARRAY_SIZE(omap3pandora_nand_partitions), + .dev_ready = true, }; static struct gpio_led pandora_gpio_leds[] = { @@ -121,6 +128,39 @@ static struct platform_device pandora_leds_gpio = { }, }; +static struct led_pwm pandora_pwm_leds[] = { + { + .name = "pandora::keypad_bl", + .pwm_id = 0, /* LEDA */ + }, { + .name = "pandora::power", + .default_trigger = "default-on", + .pwm_id = 1, /* LEDB */ + }, { + .name = "pandora::charger", + .default_trigger = "twl4030_bci-charging", + .pwm_id = 3, /* PWM1 */ + } +}; + +static struct led_pwm_platform_data pandora_pwm_led_data = { + .leds = pandora_pwm_leds, + .num_leds = ARRAY_SIZE(pandora_pwm_leds), +}; + +static struct platform_device pandora_leds_pwm = { + .name = "leds-twl4030-pwm", + .id = -1, + .dev = { + .platform_data = &pandora_pwm_led_data, + }, +}; + +static struct platform_device pandora_bl = { + .name = "pandora-backlight", + .id = -1, +}; + #define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \ { \ .gpio = gpio_num, \ @@ -167,6 +207,9 @@ static struct platform_device pandora_keys_gpio = { }, }; +/* HACK: this requires patched twl4030_keypad driver */ +#define FNKEY(row, col, code) KEY((row + 8), col, code) + static const uint32_t board_keymap[] = { /* row, col, code */ KEY(0, 0, KEY_9), @@ -212,6 +255,50 @@ static const uint32_t board_keymap[] = { KEY(7, 2, KEY_Q), KEY(7, 3, KEY_LEFTSHIFT), KEY(7, 4, KEY_COMMA), + /* Fn keys */ + FNKEY(0, 0, KEY_F9), + FNKEY(0, 1, KEY_F8), + FNKEY(0, 2, KEY_BRIGHTNESSUP), + FNKEY(0, 3, KEY_F13), /* apostrophe, differs from Fn-A? */ + FNKEY(0, 4, KEY_F22), + FNKEY(0, 5, KEY_F23), + FNKEY(1, 0, KEY_F10), + FNKEY(1, 1, KEY_F7), + FNKEY(1, 2, KEY_BRIGHTNESSDOWN), + FNKEY(1, 3, KEY_GRAVE), + FNKEY(1, 4, KEY_F14), /* pipe/bar */ + FNKEY(1, 5, KEY_TAB), + FNKEY(2, 0, KEY_INSERT), + FNKEY(2, 1, KEY_F6), + FNKEY(2, 2, KEY_F15), /* dash */ + FNKEY(2, 3, KEY_EQUAL), + FNKEY(2, 4, KEY_F16), /* # (pound/hash) */ + FNKEY(2, 5, KEY_FN), + FNKEY(3, 0, KEY_F11), + FNKEY(3, 1, KEY_F5), + FNKEY(3, 2, KEY_F17), /* ! */ + FNKEY(3, 3, KEY_KPPLUS), + FNKEY(3, 4, KEY_BACKSLASH), + FNKEY(4, 0, KEY_F12), + FNKEY(4, 1, KEY_F4), + FNKEY(4, 2, KEY_RIGHTBRACE), + FNKEY(4, 3, KEY_KPMINUS), + FNKEY(4, 4, KEY_QUESTION), + FNKEY(5, 0, KEY_F18), /* £ (pound) */ + FNKEY(5, 1, KEY_F3), + FNKEY(5, 2, KEY_LEFTBRACE), + FNKEY(5, 3, KEY_F19), /* " */ + FNKEY(5, 4, KEY_SLASH), + FNKEY(6, 0, KEY_YEN), + FNKEY(6, 1, KEY_F2), + FNKEY(6, 2, KEY_F20), /* @ */ + FNKEY(6, 3, KEY_APOSTROPHE), + FNKEY(6, 4, KEY_F21), /* : */ + FNKEY(7, 0, KEY_ENTER), + FNKEY(7, 1, KEY_F1), + FNKEY(7, 2, KEY_ESC), + FNKEY(7, 3, KEY_CAPSLOCK), + FNKEY(7, 4, KEY_SEMICOLON), }; static struct matrix_keymap_data board_map_data = { @@ -263,7 +350,7 @@ static void pandora_wl1251_init_card(struct mmc_card *card) card->cis.vendor = 0x104c; card->cis.device = 0x9066; card->cis.blksize = 512; - card->cis.max_dtr = 20000000; + card->cis.max_dtr = 24000000; } static struct omap2_hsmmc_info omap3pandora_mmc[] = { @@ -271,14 +358,16 @@ static struct omap2_hsmmc_info omap3pandora_mmc[] = { .mmc = 1, .caps = MMC_CAP_4_BIT_DATA, .gpio_cd = -EINVAL, - .gpio_wp = 126, + //.gpio_wp = 126, + .gpio_wp = -EINVAL, .ext_clock = 0, }, { .mmc = 2, .caps = MMC_CAP_4_BIT_DATA, .gpio_cd = -EINVAL, - .gpio_wp = 127, + //.gpio_wp = 127, + .gpio_wp = -EINVAL, .ext_clock = 1, .transceiver = true, }, @@ -318,6 +407,9 @@ static struct twl4030_gpio_platform_data omap3pandora_gpio_data = { .irq_base = TWL4030_GPIO_IRQ_BASE, .irq_end = TWL4030_GPIO_IRQ_END, .setup = omap3pandora_twl_gpio_setup, + /* note: never set PU/PD for gpio2, it's connected to vaux2 */ + .pulldowns = BIT(8) | BIT(15) | BIT(16) | BIT(17), + .debounce = BIT(0) | BIT(1), }; static struct regulator_consumer_supply pandora_vmmc1_supply[] = { @@ -340,10 +432,16 @@ static struct regulator_consumer_supply pandora_vdds_supplies[] = { static struct regulator_consumer_supply pandora_vcc_lcd_supply[] = { REGULATOR_SUPPLY("vcc", "display0"), + /* on non-CC units only, must be last */ + REGULATOR_SUPPLY("vdd", "display0"), }; static struct regulator_consumer_supply pandora_usb_phy_supply[] = { - REGULATOR_SUPPLY("hsusb0", "ehci-omap.0"), + REGULATOR_SUPPLY("hsusb1", "ehci-omap.0"), +}; + +static struct regulator_consumer_supply pandora_exp_supply[] = { + REGULATOR_SUPPLY("exp", NULL), }; /* ads7846 on SPI and 2 nub controllers on I2C */ @@ -355,6 +453,14 @@ static struct regulator_consumer_supply pandora_vaux4_supplies[] = { static struct regulator_consumer_supply pandora_adac_supply[] = { REGULATOR_SUPPLY("vcc", "soc-audio"), + REGULATOR_SUPPLY("lidsw", NULL), +}; + +static struct regulator_consumer_supply pandora_5v_supplies[] = { + REGULATOR_SUPPLY("v5v_force", NULL), + REGULATOR_SUPPLY("vdd_amp", "soc-audio"), + REGULATOR_SUPPLY("hsusb1_vbus", "ehci-omap.0"), + REGULATOR_SUPPLY("vdd", "display0"), /* on CC units, must be last */ }; /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ @@ -412,21 +518,40 @@ static struct regulator_init_data pandora_vaux2 = { | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, + /* turning it off wastes power for unknown reason */ + .always_on = true, }, .num_consumer_supplies = ARRAY_SIZE(pandora_usb_phy_supply), .consumer_supplies = pandora_usb_phy_supply, }; +/* VAUX3 goes to the expansion port */ +static struct regulator_init_data pandora_vaux3 = { + .constraints = { + .min_uV = 1500000, + .max_uV = 3000000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(pandora_exp_supply), + .consumer_supplies = pandora_exp_supply, +}; + /* VAUX4 for ads7846 and nubs */ static struct regulator_init_data pandora_vaux4 = { .constraints = { - .min_uV = 2800000, - .max_uV = 2800000, + .min_uV = 3000000, + .max_uV = 3000000, .apply_uV = true, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, + /* turning it off wastes power for unknown reason */ + .always_on = true, }, .num_consumer_supplies = ARRAY_SIZE(pandora_vaux4_supplies), .consumer_supplies = pandora_vaux4_supplies, @@ -447,6 +572,40 @@ static struct regulator_init_data pandora_vsim = { .consumer_supplies = pandora_adac_supply, }; +/* REGEN enables the 5V supply */ +static struct regulator_init_data pandora_regen = { + .constraints = { + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, +}; + +/* 5V supply that feeds EHCI VBUS, audio amp, and (on CC only) the LCD */ +static struct regulator_init_data pandora_v5v_data = { + .supply_regulator = "REGEN", + .num_consumer_supplies = ARRAY_SIZE(pandora_5v_supplies), + .consumer_supplies = pandora_5v_supplies, +}; + +static struct fixed_voltage_config pandora_v5v = { + .supply_name = "v5v", + .microvolts = 5000000, + .gpio = -EINVAL, + .startup_delay = 5000, /* just a guess */ + .enabled_at_boot = 1, + .init_data = &pandora_v5v_data, +}; + +static struct platform_device pandora_v5v_device = { + .name = "reg-fixed-voltage", + .id = 0, + .dev = { + .platform_data = &pandora_v5v, + }, +}; + /* Fixed regulator internal to Wifi module */ static struct regulator_init_data pandora_vmmc3 = { .constraints = { @@ -474,7 +633,59 @@ static struct platform_device pandora_vwlan_device = { }, }; -static struct twl4030_bci_platform_data pandora_bci_data; +static char *pandora_power_supplied_to[] = { + "bq27500-0", +}; + +static struct twl4030_bci_platform_data pandora_bci_data = { + .supplied_to = pandora_power_supplied_to, + .num_supplicants = ARRAY_SIZE(pandora_power_supplied_to), +}; + +static struct twl4030_ins sleep_on_seq[] = { + { MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 1, 0, RES_STATE_SLEEP), 2 }, +}; + +static struct twl4030_script sleep_on_script = { + .script = sleep_on_seq, + .size = ARRAY_SIZE(sleep_on_seq), + .flags = TWL4030_SLEEP_SCRIPT, +}; + +static struct twl4030_ins wakeup_p3_seq[] = { + { MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 1, 0, RES_STATE_ACTIVE), 2 }, +}; + +static struct twl4030_script wakeup_p3_script = { + .script = wakeup_p3_seq, + .size = ARRAY_SIZE(wakeup_p3_seq), + .flags = TWL4030_WAKEUP3_SCRIPT, +}; + +static struct twl4030_script *twl4030_scripts[] = { + /* wakeup script should be loaded before sleep script, otherwise a + board might hit retention before loading of wakeup script is + completed. This can cause boot failures depending on timing issues. + */ + &wakeup_p3_script, + &sleep_on_script, +}; + +static struct twl4030_resconfig twl4030_rconfig[] = { + { + .resource = RES_HFCLKOUT, .devgroup = DEV_GRP_P3, + .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 + }, + { 0, 0}, +}; + +static struct twl4030_power_data pandora_power_data = { + .scripts = twl4030_scripts, + .num = ARRAY_SIZE(twl4030_scripts), + .resource_config = twl4030_rconfig, + + .use_poweroff = 1, +}; static struct twl4030_platform_data omap3pandora_twldata = { .gpio = &omap3pandora_gpio_data, @@ -482,14 +693,37 @@ static struct twl4030_platform_data omap3pandora_twldata = { .vmmc2 = &pandora_vmmc2, .vaux1 = &pandora_vaux1, .vaux2 = &pandora_vaux2, + .vaux3 = &pandora_vaux3, .vaux4 = &pandora_vaux4, .vsim = &pandora_vsim, + .regen = &pandora_regen, .keypad = &pandora_kp_data, .bci = &pandora_bci_data, + .power = &pandora_power_data, + + .dep_device = &pandora_v5v_device, +}; + +static struct vsense_platform_data omap3pandora_nub1_data = { + .gpio_irq = 161, + .gpio_reset = 156, +}; + +static struct vsense_platform_data omap3pandora_nub2_data = { + .gpio_irq = 162, + .gpio_reset = 156, }; static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo[] = { { + I2C_BOARD_INFO("vsense", 0x66), + .flags = I2C_CLIENT_WAKE, + .platform_data = &omap3pandora_nub1_data, + }, { + I2C_BOARD_INFO("vsense", 0x67), + .flags = I2C_CLIENT_WAKE, + .platform_data = &omap3pandora_nub2_data, + }, { I2C_BOARD_INFO("bq27500", 0x55), .flags = I2C_CLIENT_WAKE, }, @@ -508,6 +742,12 @@ static int __init omap3pandora_i2c_init(void) ARRAY_SIZE(pandora_vdds_supplies); omap3pandora_twldata.vpll2->consumer_supplies = pandora_vdds_supplies; + /* LCD vdd is connected differently on CC */ + if (cpu_is_omap3630() || omap_rev() >= OMAP3430_REV_ES3_0) + pandora_v5v_data.num_consumer_supplies--; + else + pandora_vaux1.num_consumer_supplies--; + omap3_pmic_init("tps65950", &omap3pandora_twldata); /* i2c2 pins are not connected */ omap_register_i2c_bus(3, 100, omap3pandora_i2c3_boardinfo, @@ -553,44 +793,278 @@ fail: printk(KERN_ERR "wl1251 board initialisation failed\n"); } +static void __init pandora_usb_host_init(void) +{ + int ret; + + ret = gpio_request_one(PANDORA_EN_USB_5V_GPIO, GPIOF_OUT_INIT_HIGH, + "ehci vbus"); + if (ret < 0) + pr_err("Cannot set vbus GPIO, ret=%d\n", ret); +} + +#include +#include + +static DECLARE_COMPLETION(ts_completion); +static struct timespec ts_last_framedone; +static int pendown_state; + +static void vsync_irq_wait_handler(void *data, u32 mask) +{ + getnstimeofday(&ts_last_framedone); + + /* reliable to read here */ + pendown_state = !gpio_get_value(OMAP3_PANDORA_TS_GPIO); + + complete(&ts_completion); +} + +static void ads7846_wait_for_sync(void) +{ + struct timespec now, diff; + u32 diff_us; + + getnstimeofday(&now); + diff = timespec_sub(now, ts_last_framedone); + diff_us = diff.tv_nsec / NSEC_PER_USEC + diff.tv_sec * USEC_PER_SEC; + if (diff_us < 1023 || diff_us > 40000) + /* still blanking or display inactive */ + return; + + /* wait for blanking period */ + disable_hlt(); + wait_for_completion_timeout(&ts_completion, HZ / 30); + enable_hlt(); +} + +static int pandora_pendown_state(void) +{ + static int val_old; + struct timespec now, diff; + u32 diff_us; + int val; + int ret; + + /* This line is a noisy mess. It doesn't trigger spuriously, i.e. + * there is no signal when pen is up, but when it's down we have + * white noise of sorts. */ + val = !gpio_get_value(OMAP3_PANDORA_TS_GPIO); + pendown_state |= val; + + if (in_irq() || in_atomic()) + /* no time to fight noise.. */ + return val | pendown_state; + + if (val == 0) { + getnstimeofday(&now); + diff = timespec_sub(now, ts_last_framedone); + diff_us = diff.tv_nsec / NSEC_PER_USEC + diff.tv_sec * USEC_PER_SEC; + + if (diff_us < 40000) + /* assume pendown_state is up-to-date */ + val = pendown_state; + else + pendown_state = 0; + } + + if (val != val_old) { + init_completion(&ts_completion); + dispc_runtime_get(); + if (val) + ret = omap_dispc_register_isr(vsync_irq_wait_handler, + NULL, DISPC_IRQ_VSYNC); + else + ret = omap_dispc_unregister_isr(vsync_irq_wait_handler, + NULL, DISPC_IRQ_VSYNC); + dispc_runtime_put(); + if (ret != 0) + pr_err("%s: can't (un)register isr: %d %d\n", + __func__, val, ret); + val_old = val; + } + + return val; +} + +static struct ads7846_platform_data pandora_ads7846_cfg = { + .x_max = 0x0fff, + .y_max = 0x0fff, + .x_plate_ohms = 180, + .pressure_max = 255, + .debounce_max = 10, + .debounce_tol = 3, + .debounce_rep = 1, + .gpio_pendown = OMAP3_PANDORA_TS_GPIO, + .keep_vref_on = 1, + .wait_for_sync = ads7846_wait_for_sync, + .get_pendown_state = pandora_pendown_state, +}; + +static struct platform_device pandora_ram_console = { + .name = "ram_console", + .id = -1, +}; + +static struct platform_device pandora_c64_tools = { + .name = "c64_tools", + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + static struct platform_device *omap3pandora_devices[] __initdata = { &pandora_leds_gpio, + &pandora_leds_pwm, + &pandora_bl, &pandora_keys_gpio, &pandora_vwlan_device, + &pandora_ram_console, + &pandora_c64_tools, }; static const struct usbhs_omap_board_data usbhs_bdata __initconst = { - .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, - .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, - .reset_gpio_port[0] = 16, - .reset_gpio_port[1] = -EINVAL, + .reset_gpio_port[0] = -EINVAL, + .reset_gpio_port[1] = 16, .reset_gpio_port[2] = -EINVAL }; #ifdef CONFIG_OMAP_MUX static struct omap_board_mux board_mux[] __initdata = { + /* enable wakeup for pandora button (GPIO99) */ + OMAP3_MUX(CAM_D0, OMAP_INPUT_EN | OMAP_WAKEUP_EN | OMAP_MUX_MODE4), + /* noisy unused signal from LCD cable */ + OMAP3_MUX(CAM_VS, OMAP_INPUT_EN | OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_MUX_MODE7), { .reg_offset = OMAP_MUX_TERMINATOR }, }; #endif +static struct regulator *lid_switch_power; +static struct regulator *v5v_power; +static struct regulator *exp_power; +static bool v5v_power_disable_needed; +static bool exp_power_disable_needed; +static struct delayed_work disable_regulators_work; + +#ifdef CONFIG_PM_SLEEP +static int pandora_pm_suspend(struct device *dev) +{ + if (!IS_ERR_OR_NULL(lid_switch_power)) + regulator_disable(lid_switch_power); + + return 0; +} + +static int pandora_pm_resume(struct device *dev) +{ + if (!IS_ERR_OR_NULL(lid_switch_power)) + regulator_enable(lid_switch_power); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(pandora_pm, pandora_pm_suspend, pandora_pm_resume); + +static void pandora_disable_regulators(struct work_struct *work) +{ + if (v5v_power_disable_needed) + regulator_disable(v5v_power); + + if (exp_power_disable_needed) + regulator_disable(exp_power); +} + +static int __devinit pandora_pm_probe(struct platform_device *pdev) +{ + lid_switch_power = regulator_get(NULL, "lidsw"); + if (!IS_ERR(lid_switch_power)) + regulator_enable(lid_switch_power); + else + dev_err(&pdev->dev, "regulator_get lidsw: %ld\n", + PTR_ERR(lid_switch_power)); + + /* if regulators are enabled by the bootloaders, take a reference and + * disable them later, after the boot scripts have a chance to + * reconfigure things if they want to, otherwise leave them off */ + v5v_power = regulator_get(NULL, "v5v_force"); + if (!IS_ERR(v5v_power)) { + if (regulator_is_enabled(v5v_power) > 0) { + v5v_power_disable_needed = true; + regulator_enable(v5v_power); + } + } + else { + dev_err(&pdev->dev, "regulator_get v5v_force: %ld\n", + PTR_ERR(v5v_power)); + } + + exp_power = regulator_get(NULL, "exp"); + if (!IS_ERR(exp_power)) { + if (regulator_is_enabled(exp_power) > 0) { + exp_power_disable_needed = true; + regulator_enable(exp_power); + } + } + else { + dev_err(&pdev->dev, "regulator_get exp: %ld\n", + PTR_ERR(exp_power)); + } + + INIT_DELAYED_WORK(&disable_regulators_work, + pandora_disable_regulators); + schedule_delayed_work(&disable_regulators_work, 30 * HZ); + + return 0; +} + +static struct platform_driver pandora_pm_driver = { + .probe = pandora_pm_probe, + .driver = { + .name = "pandora-pm", + .pm = &pandora_pm, + }, +}; + +static struct platform_device pandora_pm_dev = { + .name = "pandora-pm", + .id = -1, +}; + +static int __init pandora_pm_drv_reg(void) +{ + platform_device_register(&pandora_pm_dev); + return platform_driver_register(&pandora_pm_driver); +} +late_initcall(pandora_pm_drv_reg); + static void __init omap3pandora_init(void) { + struct omap_sdrc_params *sdrc_params; + omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); + pandora_usb_host_init(); omap3pandora_i2c_init(); pandora_wl1251_init(); platform_add_devices(omap3pandora_devices, ARRAY_SIZE(omap3pandora_devices)); omap_display_init(&pandora_dss_data); omap_serial_init(); - omap_sdrc_init(mt46h32m32lf6_sdrc_params, - mt46h32m32lf6_sdrc_params); + + sdrc_params = mt46h32m32lf6_sdrc_params; + if (cpu_is_omap3630() || omap_rev() >= OMAP3430_REV_ES3_0) + sdrc_params = mt29c4g96mazapcjg5_sdrc_params; + omap_sdrc_init(sdrc_params, sdrc_params); + spi_register_board_info(omap3pandora_spi_board_info, ARRAY_SIZE(omap3pandora_spi_board_info)); - omap_ads7846_init(1, OMAP3_PANDORA_TS_GPIO, 0, NULL); + omap_ads7846_init(1, OMAP3_PANDORA_TS_GPIO, 31, &pandora_ads7846_cfg); usbhs_init(&usbhs_bdata); usb_musb_init(NULL); gpmc_nand_init(&pandora_nand_data); @@ -600,9 +1074,166 @@ static void __init omap3pandora_init(void) omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); } +#ifdef CONFIG_PROC_FS +#include +#include + +static bool v5v_power_proc_enabled; +static bool exp_power_proc_enabled; + +static int v5v_enable_read(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + if (IS_ERR_OR_NULL(v5v_power)) + return -ENODEV; + + *eof = 1; + return sprintf(page, "%d\n", v5v_power_proc_enabled); +} + +static int v5v_enable_write(struct file *file, const char __user *buffer, + unsigned long count, void *data) +{ + char buff[32]; + long val; + int ret; + + if (IS_ERR_OR_NULL(v5v_power)) + return -ENODEV; + + count = strncpy_from_user(buff, buffer, + count < sizeof(buff) ? count : sizeof(buff) - 1); + buff[count] = 0; + + ret = strict_strtol(buff, 0, &val); + if (ret < 0) + return ret; + + val = !!val; + if (val == v5v_power_proc_enabled) + return count; + if (val) + ret = regulator_enable(v5v_power); + else + ret = regulator_disable(v5v_power); + if (ret < 0) + return ret; + + v5v_power_proc_enabled = val; + return count; +} + +static int exp_power_read(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + int ret = 0; + + if (IS_ERR_OR_NULL(exp_power)) + return -ENODEV; + + if (regulator_is_enabled(exp_power) > 0) { + ret = regulator_get_voltage(exp_power); + if (ret < 0) + return ret; + ret /= 1000; + } + + *eof = 1; + return sprintf(page, "%d\n", ret); +} + +static int exp_power_write(struct file *file, const char __user *buffer, + unsigned long count, void *data) +{ + char buff[32]; + bool enable; + long val; + int ret; + + if (IS_ERR_OR_NULL(exp_power)) + return -ENODEV; + + count = strncpy_from_user(buff, buffer, + count < sizeof(buff) ? count : sizeof(buff) - 1); + buff[count] = 0; + + ret = strict_strtol(buff, 0, &val); + if (ret < 0) + return ret; + + if (val != 0) { + val *= 1000; + ret = regulator_set_voltage(exp_power, val, val); + if (ret < 0) + return ret; + } + enable = !!val; + if (enable == exp_power_proc_enabled) + return count; + if (enable) + ret = regulator_enable(exp_power); + else + ret = regulator_disable(exp_power); + if (ret < 0) + return ret; + + exp_power_proc_enabled = enable; + return count; +} + +static int __init proc_pandora_init(void) +{ + struct proc_dir_entry *root, *ret; + + /* HACK: create it here, so that others don't need to bother */ + root = proc_mkdir("pandora", NULL); + if (root == NULL) + return -ENOMEM; + + ret = create_proc_entry("always_enable_5v", S_IWUSR | S_IRUGO, root); + if (ret != NULL) { + ret->read_proc = v5v_enable_read; + ret->write_proc = v5v_enable_write; + } + + ret = create_proc_entry("exp_power_mv", S_IWUSR | S_IRUGO, root); + if (ret != NULL) { + ret->read_proc = exp_power_read; + ret->write_proc = exp_power_write; + } + + return 0; +} +fs_initcall(proc_pandora_init); +#endif + +/* for debug.. */ +#include <../drivers/staging/android/persistent_ram.h> + +struct persistent_ram_descriptor ram_console_desc = { + .name = "ram_console", + .size = 0x20000, +}; + +struct persistent_ram ram_console_ram = { + .start = 0x80fe0000, + .size = 0x20000, + .num_descs = 1, + .descs = &ram_console_desc, +}; + +void __init pandora_reserve(void) +{ + omap_reserve(); + dma_declare_contiguous(&pandora_c64_tools.dev, 4 * SZ_1M, 0x86000000, 0); +#ifdef CONFIG_ANDROID_PERSISTENT_RAM + persistent_ram_early_init(&ram_console_ram); +#endif +} + MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console") .atag_offset = 0x100, - .reserve = omap_reserve, + .reserve = pandora_reserve, .map_io = omap3_map_io, .init_early = omap35xx_init_early, .init_irq = omap3_init_irq,