diff options
Diffstat (limited to 'include/linux/tifm.h')
| -rw-r--r-- | include/linux/tifm.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/include/linux/tifm.h b/include/linux/tifm.h new file mode 100644 index 000000000..44073d067 --- /dev/null +++ b/include/linux/tifm.h @@ -0,0 +1,160 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * tifm.h - TI FlashMedia driver + * + * Copyright (C) 2006 Alex Dubov <oakad@yahoo.com> + */ + +#ifndef _TIFM_H +#define _TIFM_H + +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/workqueue.h> + +/* Host registers (relative to pci base address): */ +enum { + FM_SET_INTERRUPT_ENABLE = 0x008, + FM_CLEAR_INTERRUPT_ENABLE = 0x00c, + FM_INTERRUPT_STATUS = 0x014 +}; + +/* Socket registers (relative to socket base address): */ +enum { + SOCK_CONTROL = 0x004, + SOCK_PRESENT_STATE = 0x008, + SOCK_DMA_ADDRESS = 0x00c, + SOCK_DMA_CONTROL = 0x010, + SOCK_DMA_FIFO_INT_ENABLE_SET = 0x014, + SOCK_DMA_FIFO_INT_ENABLE_CLEAR = 0x018, + SOCK_DMA_FIFO_STATUS = 0x020, + SOCK_FIFO_CONTROL = 0x024, + SOCK_FIFO_PAGE_SIZE = 0x028, + SOCK_MMCSD_COMMAND = 0x104, + SOCK_MMCSD_ARG_LOW = 0x108, + SOCK_MMCSD_ARG_HIGH = 0x10c, + SOCK_MMCSD_CONFIG = 0x110, + SOCK_MMCSD_STATUS = 0x114, + SOCK_MMCSD_INT_ENABLE = 0x118, + SOCK_MMCSD_COMMAND_TO = 0x11c, + SOCK_MMCSD_DATA_TO = 0x120, + SOCK_MMCSD_DATA = 0x124, + SOCK_MMCSD_BLOCK_LEN = 0x128, + SOCK_MMCSD_NUM_BLOCKS = 0x12c, + SOCK_MMCSD_BUFFER_CONFIG = 0x130, + SOCK_MMCSD_SPI_CONFIG = 0x134, + SOCK_MMCSD_SDIO_MODE_CONFIG = 0x138, + SOCK_MMCSD_RESPONSE = 0x144, + SOCK_MMCSD_SDIO_SR = 0x164, + SOCK_MMCSD_SYSTEM_CONTROL = 0x168, + SOCK_MMCSD_SYSTEM_STATUS = 0x16c, + SOCK_MS_COMMAND = 0x184, + SOCK_MS_DATA = 0x188, + SOCK_MS_STATUS = 0x18c, + SOCK_MS_SYSTEM = 0x190, + SOCK_FIFO_ACCESS = 0x200 +}; + +#define TIFM_CTRL_LED 0x00000040 +#define TIFM_CTRL_FAST_CLK 0x00000100 +#define TIFM_CTRL_POWER_MASK 0x00000007 + +#define TIFM_SOCK_STATE_OCCUPIED 0x00000008 +#define TIFM_SOCK_STATE_POWERED 0x00000080 + +#define TIFM_FIFO_ENABLE 0x00000001 +#define TIFM_FIFO_READY 0x00000001 +#define TIFM_FIFO_MORE 0x00000008 +#define TIFM_FIFO_INT_SETALL 0x0000ffff +#define TIFM_FIFO_INTMASK 0x00000005 + +#define TIFM_DMA_RESET 0x00000002 +#define TIFM_DMA_TX 0x00008000 +#define TIFM_DMA_EN 0x00000001 +#define TIFM_DMA_TSIZE 0x0000007f + +#define TIFM_TYPE_XD 1 +#define TIFM_TYPE_MS 2 +#define TIFM_TYPE_SD 3 + +struct tifm_device_id { + unsigned char type; +}; + +struct tifm_driver; +struct tifm_dev { + char __iomem *addr; + spinlock_t lock; + unsigned char type; + unsigned int socket_id; + + void (*card_event)(struct tifm_dev *sock); + void (*data_event)(struct tifm_dev *sock); + + struct device dev; +}; + +struct tifm_driver { + struct tifm_device_id *id_table; + int (*probe)(struct tifm_dev *dev); + void (*remove)(struct tifm_dev *dev); + int (*suspend)(struct tifm_dev *dev, + pm_message_t state); + int (*resume)(struct tifm_dev *dev); + + struct device_driver driver; +}; + +struct tifm_adapter { + char __iomem *addr; + spinlock_t lock; + unsigned int irq_status; + unsigned int socket_change_set; + unsigned int id; + unsigned int num_sockets; + struct completion *finish_me; + + struct work_struct media_switcher; + struct device dev; + + void (*eject)(struct tifm_adapter *fm, + struct tifm_dev *sock); + int (*has_ms_pif)(struct tifm_adapter *fm, + struct tifm_dev *sock); + + struct tifm_dev *sockets[]; +}; + +struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets, + struct device *dev); +int tifm_add_adapter(struct tifm_adapter *fm); +void tifm_remove_adapter(struct tifm_adapter *fm); +void tifm_free_adapter(struct tifm_adapter *fm); + +void tifm_free_device(struct device *dev); +struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id, + unsigned char type); + +int tifm_register_driver(struct tifm_driver *drv); +void tifm_unregister_driver(struct tifm_driver *drv); +void tifm_eject(struct tifm_dev *sock); +int tifm_has_ms_pif(struct tifm_dev *sock); +int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents, + int direction); +void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents, + int direction); +void tifm_queue_work(struct work_struct *work); + +static inline void *tifm_get_drvdata(struct tifm_dev *dev) +{ + return dev_get_drvdata(&dev->dev); +} + +static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data) +{ + dev_set_drvdata(&dev->dev, data); +} + +#endif |