diff options
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/card.h | 1 | ||||
| -rw-r--r-- | include/linux/mmc/cd-gpio.h | 18 | ||||
| -rw-r--r-- | include/linux/mmc/host.h | 48 | ||||
| -rw-r--r-- | include/linux/mmc/sdhci.h | 4 | ||||
| -rw-r--r-- | include/linux/mmc/sh_mmcif.h | 10 | ||||
| -rw-r--r-- | include/linux/mmc/sh_mobile_sdhi.h | 1 | ||||
| -rw-r--r-- | include/linux/mmc/slot-gpio.h | 24 |
7 files changed, 68 insertions, 38 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index d76513b5b26..111aca5e97f 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -149,6 +149,7 @@ struct sd_switch_caps { #define SD_SET_CURRENT_LIMIT_400 1 #define SD_SET_CURRENT_LIMIT_600 2 #define SD_SET_CURRENT_LIMIT_800 3 +#define SD_SET_CURRENT_NO_CHANGE (-1) #define SD_MAX_CURRENT_200 (1 << SD_SET_CURRENT_LIMIT_200) #define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400) diff --git a/include/linux/mmc/cd-gpio.h b/include/linux/mmc/cd-gpio.h deleted file mode 100644 index cefaba038cc..00000000000 --- a/include/linux/mmc/cd-gpio.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * Generic GPIO card-detect helper header - * - * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de> - * - * 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. - */ - -#ifndef MMC_CD_GPIO_H -#define MMC_CD_GPIO_H - -struct mmc_host; -int mmc_cd_gpio_request(struct mmc_host *host, unsigned int gpio); -void mmc_cd_gpio_free(struct mmc_host *host); - -#endif diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 0707d228d7f..f578a71d82a 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -11,6 +11,7 @@ #define LINUX_MMC_HOST_H #include <linux/leds.h> +#include <linux/mutex.h> #include <linux/sched.h> #include <linux/device.h> #include <linux/fault-inject.h> @@ -150,11 +151,31 @@ struct mmc_async_req { int (*err_check) (struct mmc_card *, struct mmc_async_req *); }; -struct mmc_hotplug { - unsigned int irq; +/** + * struct mmc_slot - MMC slot functions + * + * @cd_irq: MMC/SD-card slot hotplug detection IRQ or -EINVAL + * @lock: protect the @handler_priv pointer + * @handler_priv: MMC/SD-card slot context + * + * Some MMC/SD host controllers implement slot-functions like card and + * write-protect detection natively. However, a large number of controllers + * leave these functions to the CPU. This struct provides a hook to attach + * such slot-function drivers. + */ +struct mmc_slot { + int cd_irq; + struct mutex lock; void *handler_priv; }; +struct regulator; + +struct mmc_supply { + struct regulator *vmmc; /* Card power supply */ + struct regulator *vqmmc; /* Optional Vccq supply */ +}; + struct mmc_host { struct device *parent; struct device class_dev; @@ -168,6 +189,9 @@ struct mmc_host { u32 ocr_avail_sd; /* SD-specific OCR */ u32 ocr_avail_mmc; /* MMC-specific OCR */ struct notifier_block pm_notify; + u32 max_current_330; + u32 max_current_300; + u32 max_current_180; #define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ #define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ @@ -211,16 +235,9 @@ struct mmc_host { #define MMC_CAP_UHS_SDR50 (1 << 17) /* Host supports UHS SDR50 mode */ #define MMC_CAP_UHS_SDR104 (1 << 18) /* Host supports UHS SDR104 mode */ #define MMC_CAP_UHS_DDR50 (1 << 19) /* Host supports UHS DDR50 mode */ -#define MMC_CAP_SET_XPC_330 (1 << 20) /* Host supports >150mA current at 3.3V */ -#define MMC_CAP_SET_XPC_300 (1 << 21) /* Host supports >150mA current at 3.0V */ -#define MMC_CAP_SET_XPC_180 (1 << 22) /* Host supports >150mA current at 1.8V */ #define MMC_CAP_DRIVER_TYPE_A (1 << 23) /* Host supports Driver Type A */ #define MMC_CAP_DRIVER_TYPE_C (1 << 24) /* Host supports Driver Type C */ #define MMC_CAP_DRIVER_TYPE_D (1 << 25) /* Host supports Driver Type D */ -#define MMC_CAP_MAX_CURRENT_200 (1 << 26) /* Host max current limit is 200mA */ -#define MMC_CAP_MAX_CURRENT_400 (1 << 27) /* Host max current limit is 400mA */ -#define MMC_CAP_MAX_CURRENT_600 (1 << 28) /* Host max current limit is 600mA */ -#define MMC_CAP_MAX_CURRENT_800 (1 << 29) /* Host max current limit is 800mA */ #define MMC_CAP_CMD23 (1 << 30) /* CMD23 supported. */ #define MMC_CAP_HW_RESET (1 << 31) /* Hardware reset */ @@ -238,6 +255,8 @@ struct mmc_host { #define MMC_CAP2_BROKEN_VOLTAGE (1 << 7) /* Use the broken voltage */ #define MMC_CAP2_DETECT_ON_ERR (1 << 8) /* On I/O err check card removal */ #define MMC_CAP2_HC_ERASE_SZ (1 << 9) /* High-capacity erase size */ +#define MMC_CAP2_CD_ACTIVE_HIGH (1 << 10) /* Card-detect signal active high */ +#define MMC_CAP2_RO_ACTIVE_HIGH (1 << 11) /* Write-protect signal active high */ mmc_pm_flag_t pm_caps; /* supported pm features */ unsigned int power_notify_type; @@ -290,7 +309,7 @@ struct mmc_host { struct delayed_work detect; int detect_change; /* card detect flag */ - struct mmc_hotplug hotplug; + struct mmc_slot slot; const struct mmc_bus_ops *bus_ops; /* current bus driver */ unsigned int bus_refs; /* reference counter */ @@ -309,6 +328,7 @@ struct mmc_host { #ifdef CONFIG_REGULATOR bool regulator_enabled; /* regulator state */ #endif + struct mmc_supply supply; struct dentry *debugfs_root; @@ -357,13 +377,12 @@ static inline void mmc_signal_sdio_irq(struct mmc_host *host) wake_up_process(host->sdio_irq_thread); } -struct regulator; - #ifdef CONFIG_REGULATOR int mmc_regulator_get_ocrmask(struct regulator *supply); int mmc_regulator_set_ocr(struct mmc_host *mmc, struct regulator *supply, unsigned short vdd_bit); +int mmc_regulator_get_supply(struct mmc_host *mmc); #else static inline int mmc_regulator_get_ocrmask(struct regulator *supply) { @@ -376,6 +395,11 @@ static inline int mmc_regulator_set_ocr(struct mmc_host *mmc, { return 0; } + +static inline int mmc_regulator_get_supply(struct mmc_host *mmc) +{ + return 0; +} #endif int mmc_card_awake(struct mmc_host *host); diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h index e9051e1cb1c..ac83b105bed 100644 --- a/include/linux/mmc/sdhci.h +++ b/include/linux/mmc/sdhci.h @@ -122,6 +122,7 @@ struct sdhci_host { #define SDHCI_PV_ENABLED (1<<8) /* Preset value enabled */ #define SDHCI_SDIO_IRQ_ENABLED (1<<9) /* SDIO irq enabled */ #define SDHCI_HS200_NEEDS_TUNING (1<<10) /* HS200 needs tuning */ +#define SDHCI_USING_RETUNING_TIMER (1<<11) /* Host is using a retuning timer for the card */ unsigned int version; /* SDHCI spec. version */ @@ -155,7 +156,8 @@ struct sdhci_host { struct timer_list timer; /* Timer for timeouts */ - unsigned int caps; /* Alternative capabilities */ + unsigned int caps; /* Alternative CAPABILITY_0 */ + unsigned int caps1; /* Alternative CAPABILITY_1 */ unsigned int ocr_avail_sdio; /* OCR bit masks */ unsigned int ocr_avail_sd; diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h index 05f0e3db1c1..e7d5dd67bb7 100644 --- a/include/linux/mmc/sh_mmcif.h +++ b/include/linux/mmc/sh_mmcif.h @@ -32,18 +32,14 @@ * 1111 : Peripheral clock (sup_pclk set '1') */ -struct sh_mmcif_dma { - struct sh_dmae_slave chan_priv_tx; - struct sh_dmae_slave chan_priv_rx; -}; - struct sh_mmcif_plat_data { void (*set_pwr)(struct platform_device *pdev, int state); void (*down_pwr)(struct platform_device *pdev); int (*get_cd)(struct platform_device *pdef); - struct sh_mmcif_dma *dma; /* Deprecated. Instead */ - unsigned int slave_id_tx; /* use embedded slave_id_[tr]x */ + unsigned int slave_id_tx; /* embedded slave_id_[tr]x */ unsigned int slave_id_rx; + bool use_cd_gpio : 1; + unsigned int cd_gpio; u8 sup_pclk; /* 1 :SH7757, 0: SH7724/SH7372 */ unsigned long caps; u32 ocr; diff --git a/include/linux/mmc/sh_mobile_sdhi.h b/include/linux/mmc/sh_mobile_sdhi.h index e94e620aedd..b65679ffa88 100644 --- a/include/linux/mmc/sh_mobile_sdhi.h +++ b/include/linux/mmc/sh_mobile_sdhi.h @@ -23,6 +23,7 @@ struct sh_mobile_sdhi_info { int dma_slave_rx; unsigned long tmio_flags; unsigned long tmio_caps; + unsigned long tmio_caps2; u32 tmio_ocr_mask; /* available MMC voltages */ unsigned int cd_gpio; struct tmio_mmc_data *pdata; diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h new file mode 100644 index 00000000000..7d88d27bfaf --- /dev/null +++ b/include/linux/mmc/slot-gpio.h @@ -0,0 +1,24 @@ +/* + * Generic GPIO card-detect helper header + * + * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * 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. + */ + +#ifndef MMC_SLOT_GPIO_H +#define MMC_SLOT_GPIO_H + +struct mmc_host; + +int mmc_gpio_get_ro(struct mmc_host *host); +int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio); +void mmc_gpio_free_ro(struct mmc_host *host); + +int mmc_gpio_get_cd(struct mmc_host *host); +int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio); +void mmc_gpio_free_cd(struct mmc_host *host); + +#endif |