From 3dcb078f8f5a59ef3d7a895e0b88ee1a74d8cbfd Mon Sep 17 00:00:00 2001 From: Markinus Date: Sat, 28 Aug 2010 11:38:14 +0200 Subject: [PATCH] htcleo: add mcc driver --- arch/arm/mach-msm/Makefile | 2 +- arch/arm/mach-msm/board-htcleo-mmc.c | 395 +++++++++++++++++++++++++++ arch/arm/mach-msm/board-htcleo.c | 3 + 3 files changed, 399 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-msm/board-htcleo-mmc.c diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile index 6778be4d..4206af55 100644 --- a/arch/arm/mach-msm/Makefile +++ b/arch/arm/mach-msm/Makefile @@ -100,7 +100,7 @@ obj-$(CONFIG_MACH_BRAVOC) += board-bravoc-wifi.o htc_awb_cal.o obj-$(CONFIG_MACH_BRAVOC) += board-bravoc-microp.o clock.o obj-$(CONFIG_MACH_HTCLEO) += board-htcleo.o board-htcleo-spi.o board-htcleo-panel.o board-htcleo-keypad.o -obj-$(CONFIG_MACH_HTCLEO) += board-htcleo-ts.o +obj-$(CONFIG_MACH_HTCLEO) += board-htcleo-ts.o board-htcleo-mmc.o obj-$(CONFIG_MACH_HTCLEO) += clock-wince.o # MSM7x30 boards diff --git a/arch/arm/mach-msm/board-htcleo-mmc.c b/arch/arm/mach-msm/board-htcleo-mmc.c new file mode 100644 index 00000000..30df9b43 --- /dev/null +++ b/arch/arm/mach-msm/board-htcleo-mmc.c @@ -0,0 +1,395 @@ +/* linux/arch/arm/mach-msm/board-htcleo-mmc.c + * + * Copyright (C) 2009 Google, Inc. + * Copyright (C) 2009 HTC Corporation + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include + +#include "board-htcleo.h" +#include "devices.h" +#include "proc_comm.h" + +#undef HTCLEO_DEBUG_MMC + +static bool opt_disable_sdcard; +static int __init htcleo_disablesdcard_setup(char *str) +{ + opt_disable_sdcard = (bool)simple_strtol(str, NULL, 0); + return 1; +} + +__setup("board_htcleo.disable_sdcard=", htcleo_disablesdcard_setup); + +static uint32_t sdcard_on_gpio_table[] = +{ + PCOM_GPIO_CFG(62, 1, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA), /* CLK */ + PCOM_GPIO_CFG(63, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), /* CMD */ + PCOM_GPIO_CFG(64, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT3 */ + PCOM_GPIO_CFG(65, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT2 */ + PCOM_GPIO_CFG(66, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT1 */ + PCOM_GPIO_CFG(67, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT0 */ +}; + +static uint32_t sdcard_off_gpio_table[] = +{ + PCOM_GPIO_CFG(62, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* CLK */ + PCOM_GPIO_CFG(63, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* CMD */ + PCOM_GPIO_CFG(64, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT3 */ + PCOM_GPIO_CFG(65, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT2 */ + PCOM_GPIO_CFG(66, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT1 */ + PCOM_GPIO_CFG(67, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT0 */ +}; + +static uint32_t sdslot_vdd = 0xffffffff; +static uint32_t sdslot_vreg_enabled; + +static struct { + int mask; + int level; +} mmc_vdd_table[] = { + { MMC_VDD_165_195, 1800 }, + { MMC_VDD_20_21, 2050 }, + { MMC_VDD_21_22, 2150 }, + { MMC_VDD_22_23, 2250 }, + { MMC_VDD_23_24, 2350 }, + { MMC_VDD_24_25, 2450 }, + { MMC_VDD_25_26, 2550 }, + { MMC_VDD_26_27, 2650 }, + { MMC_VDD_27_28, 2750 }, + { MMC_VDD_28_29, 2850 }, + { MMC_VDD_29_30, 2950 }, +}; + +static uint32_t htcleo_sdslot_switchvdd(struct device *dev, unsigned int vdd) +{ + // We have to find the right vreg Interface on Leo + int i; + int ret = 0; + + if (vdd == sdslot_vdd) + return 0; + + sdslot_vdd = vdd; + + if (vdd == 0) { + config_gpio_table(sdcard_off_gpio_table, + ARRAY_SIZE(sdcard_off_gpio_table)); + //htcleo_pm_set_vreg(0, 0x17); + sdslot_vreg_enabled = 0; + return 0; + } + + if (!sdslot_vreg_enabled) { + // htcleo_pm_set_vreg(1, 0x17); + config_gpio_table(sdcard_on_gpio_table, + ARRAY_SIZE(sdcard_on_gpio_table)); + sdslot_vreg_enabled = 1; + } + + for (i = 0; i < ARRAY_SIZE(mmc_vdd_table); i++) { + if (mmc_vdd_table[i].mask != (1 << vdd)) + continue; +// ret = vreg_set_level(sdslot_vreg, mmc_vdd_table[i].level); + if (ret) + pr_err("%s: Error setting level (%d)\n", __func__, ret); + return 0; + } + + pr_err("%s: Invalid VDD (%d) specified\n", __func__, vdd); + return 0; +} + +static unsigned int htcleo_sdslot_status_rev0(struct device *dev) +{ + return !gpio_get_value(HTCLEO_GPIO_SDMC_CD_REV0_N); +} + +#define HTCLEO_MMC_VDD (MMC_VDD_165_195 | MMC_VDD_20_21 | \ + MMC_VDD_21_22 | MMC_VDD_22_23 | \ + MMC_VDD_23_24 | MMC_VDD_24_25 | \ + MMC_VDD_25_26 | MMC_VDD_26_27 | \ + MMC_VDD_27_28 | MMC_VDD_28_29 | \ + MMC_VDD_29_30) + +static struct mmc_platform_data htcleo_sdslot_data = +{ + .ocr_mask = HTCLEO_MMC_VDD, + .status = htcleo_sdslot_status_rev0, + .register_status_notify = NULL, + .translate_vdd = htcleo_sdslot_switchvdd, +}; + +static uint32_t wifi_on_gpio_table[] = +{ + PCOM_GPIO_CFG(51, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT3 */ + PCOM_GPIO_CFG(52, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT2 */ + PCOM_GPIO_CFG(53, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT1 */ + PCOM_GPIO_CFG(54, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT0 */ + PCOM_GPIO_CFG(55, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), /* CMD */ + PCOM_GPIO_CFG(56, 1, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA), /* CLK */ + PCOM_GPIO_CFG(152, 0, GPIO_INPUT, GPIO_NO_PULL, GPIO_4MA), /* WLAN IRQ */ +}; + +static uint32_t wifi_off_gpio_table[] = +{ + PCOM_GPIO_CFG(51, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT3 */ + PCOM_GPIO_CFG(52, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT2 */ + PCOM_GPIO_CFG(53, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT1 */ + PCOM_GPIO_CFG(54, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT0 */ + PCOM_GPIO_CFG(55, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* CMD */ + PCOM_GPIO_CFG(56, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* CLK */ + PCOM_GPIO_CFG(152, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* WLAN IRQ */ +}; + +/* BCM4329 returns wrong sdio_vsn(1) when we read cccr, + * we use predefined value (sdio_vsn=2) here to initial sdio driver well + */ +static struct embedded_sdio_data htcleo_wifi_emb_data = { + .cccr = { + .sdio_vsn = 2, + .multi_block = 1, + .low_speed = 0, + .wide_bus = 0, + .high_power = 1, + .high_speed = 1, + }, +}; + +static int htcleo_wifi_cd = 0; /* WIFI virtual 'card detect' status */ +static void (*wifi_status_cb)(int card_present, void *dev_id); +static void *wifi_status_cb_devid; + +static int htcleo_wifi_status_register( + void (*callback)(int card_present, void *dev_id), + void *dev_id) +{ + if (wifi_status_cb) + return -EAGAIN; + wifi_status_cb = callback; + wifi_status_cb_devid = dev_id; + return 0; +} + +static unsigned int htcleo_wifi_status(struct device *dev) +{ + return htcleo_wifi_cd; +} + +static struct mmc_platform_data htcleo_wifi_data = { + .ocr_mask = MMC_VDD_28_29, + .status = htcleo_wifi_status, + .register_status_notify = htcleo_wifi_status_register, + .embedded_sdio = &htcleo_wifi_emb_data, +}; + +int htcleo_wifi_set_carddetect(int val) +{ + pr_info("%s: %d\n", __func__, val); + htcleo_wifi_cd = val; + if (wifi_status_cb) { + wifi_status_cb(val, wifi_status_cb_devid); + } else + pr_warning("%s: Nobody to notify\n", __func__); + return 0; +} + +static int htcleo_wifi_power_state; + +int htcleo_wifi_power(int on) +{ + printk("%s: %d\n", __func__, on); + + if (on) { + config_gpio_table(wifi_on_gpio_table,ARRAY_SIZE(wifi_on_gpio_table)); + mdelay(50); + } else { + config_gpio_table(wifi_off_gpio_table, ARRAY_SIZE(wifi_off_gpio_table)); + } + + mdelay(100); + gpio_set_value(HTCLEO_GPIO_WIFI_SHUTDOWN_N, on); /* WIFI_SHUTDOWN */ + mdelay(200); + + htcleo_wifi_power_state = on; + return 0; +} + +static int htcleo_wifi_reset_state; + +int htcleo_wifi_reset(int on) +{ + printk("%s: do nothing\n", __func__); + htcleo_wifi_reset_state = on; + return 0; +} + +int msm_add_sdcc(unsigned int controller, struct mmc_platform_data *plat, + unsigned int stat_irq, unsigned long stat_irq_flags); + +int __init htcleo_init_mmc(unsigned debug_uart) +{ + uint32_t id; + + printk("%s()+\n", __func__); + + /* initial WIFI_SHUTDOWN# */ + id = PCOM_GPIO_CFG(HTCLEO_GPIO_WIFI_SHUTDOWN_N, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), +// msm_gpio_set_function(id); + msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &id, 0); + + msm_add_sdcc(1, &htcleo_wifi_data, 0, 0); + + if (debug_uart) { + pr_info("%s: sdcard disabled due to debug uart\n", __func__); + goto done; + } + if (opt_disable_sdcard) { + pr_info("%s: sdcard disabled on cmdline\n", __func__); + goto done; + } + + sdslot_vreg_enabled = 0; + + set_irq_wake(MSM_GPIO_TO_INT(HTCLEO_GPIO_SDMC_CD_REV0_N), 1); + msm_add_sdcc(2, &htcleo_sdslot_data, + MSM_GPIO_TO_INT(HTCLEO_GPIO_SDMC_CD_REV0_N), + IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE); + +done: + printk("%s()-\n", __func__); + return 0; +} + +#if defined(HTCLEO_DEBUG_MMC) && defined(CONFIG_DEBUG_FS) + +static int htcleommc_dbg_wifi_reset_set(void *data, u64 val) +{ + htcleo_wifi_reset((int) val); + return 0; +} + +static int htcleommc_dbg_wifi_reset_get(void *data, u64 *val) +{ + *val = htcleo_wifi_reset_state; + return 0; +} + +static int htcleommc_dbg_wifi_cd_set(void *data, u64 val) +{ + htcleo_wifi_set_carddetect((int) val); + return 0; +} + +static int htcleommc_dbg_wifi_cd_get(void *data, u64 *val) +{ + *val = htcleo_wifi_cd; + return 0; +} + +static int htcleommc_dbg_wifi_pwr_set(void *data, u64 val) +{ + htcleo_wifi_power((int) val); + return 0; +} + +static int htcleommc_dbg_wifi_pwr_get(void *data, u64 *val) +{ + *val = htcleo_wifi_power_state; + return 0; +} + +static int htcleommc_dbg_sd_pwr_set(void *data, u64 val) +{ + htcleo_sdslot_switchvdd(NULL, (unsigned int) val); + return 0; +} + +static int htcleommc_dbg_sd_pwr_get(void *data, u64 *val) +{ + *val = sdslot_vdd; + return 0; +} + +static int htcleommc_dbg_sd_cd_set(void *data, u64 val) +{ + return -ENOSYS; +} + +static int htcleommc_dbg_sd_cd_get(void *data, u64 *val) +{ + *val = htcleo_sdslot_data.status(NULL); + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(htcleommc_dbg_wifi_reset_fops, + htcleommc_dbg_wifi_reset_get, + htcleommc_dbg_wifi_reset_set, "%llu\n"); + +DEFINE_SIMPLE_ATTRIBUTE(htcleommc_dbg_wifi_cd_fops, + htcleommc_dbg_wifi_cd_get, + htcleommc_dbg_wifi_cd_set, "%llu\n"); + +DEFINE_SIMPLE_ATTRIBUTE(htcleommc_dbg_wifi_pwr_fops, + htcleommc_dbg_wifi_pwr_get, + htcleommc_dbg_wifi_pwr_set, "%llu\n"); + +DEFINE_SIMPLE_ATTRIBUTE(htcleommc_dbg_sd_pwr_fops, + htcleommc_dbg_sd_pwr_get, + htcleommc_dbg_sd_pwr_set, "%llu\n"); + +DEFINE_SIMPLE_ATTRIBUTE(htcleommc_dbg_sd_cd_fops, + htcleommc_dbg_sd_cd_get, + htcleommc_dbg_sd_cd_set, "%llu\n"); + +static int __init htcleommc_dbg_init(void) +{ + struct dentry *dent; + + if (!machine_is_htcleo() && !machine_is_htcleo()) + return 0; + + dent = debugfs_create_dir("htcleo_mmc_dbg", 0); + if (IS_ERR(dent)) + return PTR_ERR(dent); + + debugfs_create_file("wifi_reset", 0644, dent, NULL, + &htcleommc_dbg_wifi_reset_fops); + debugfs_create_file("wifi_cd", 0644, dent, NULL, + &htcleommc_dbg_wifi_cd_fops); + debugfs_create_file("wifi_pwr", 0644, dent, NULL, + &htcleommc_dbg_wifi_pwr_fops); + debugfs_create_file("sd_pwr", 0644, dent, NULL, + &htcleommc_dbg_sd_pwr_fops); + debugfs_create_file("sd_cd", 0644, dent, NULL, + &htcleommc_dbg_sd_cd_fops); + return 0; +} + +device_initcall(htcleommc_dbg_init); +#endif diff --git a/arch/arm/mach-msm/board-htcleo.c b/arch/arm/mach-msm/board-htcleo.c index 7611b483..0b292581 100644 --- a/arch/arm/mach-msm/board-htcleo.c +++ b/arch/arm/mach-msm/board-htcleo.c @@ -45,6 +45,8 @@ #include "proc_comm.h" #include "dex_comm.h" +extern int __init htcleo_init_mmc(unsigned debug_uart); + /////////////////////////////////////////////////////////////////////// // SPI /////////////////////////////////////////////////////////////////////// @@ -332,6 +334,7 @@ static void __init htcleo_init(void) i2c_register_board_info(0, base_i2c_devices, ARRAY_SIZE(base_i2c_devices)); + htcleo_init_mmc(0); platform_device_register(&htcleo_timed_gpios); /* Blink the camera LED shortly to show that we're alive! */