| /* |
| * tifm.h - TI FlashMedia driver |
| * |
| * Copyright (C) 2006 Alex Dubov <oakad@yahoo.com> |
| * |
| * 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 _TIFM_H |
| #define _TIFM_H |
| |
| #include <linux/spinlock.h> |
| #include <linux/interrupt.h> |
| #include <linux/wait.h> |
| #include <linux/delay.h> |
| #include <linux/pci.h> |
| #include <linux/kthread.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_IRQ_ENABLE 0x80000000 |
| #define TIFM_IRQ_SOCKMASK(x) (x) |
| #define TIFM_IRQ_CARDMASK(x) ((x) << 8) |
| #define TIFM_IRQ_FIFOMASK(x) ((x) << 16) |
| #define TIFM_IRQ_SETALL 0xffffffff |
| |
| #define TIFM_CTRL_LED 0x00000040 |
| #define TIFM_CTRL_FAST_CLK 0x00000100 |
| |
| #define TIFM_SOCK_STATE_OCCUPIED 0x00000008 |
| #define TIFM_SOCK_STATE_POWERED 0x00000080 |
| |
| #define TIFM_FIFO_ENABLE 0x00000001 /* Meaning of this constant is unverified */ |
| #define TIFM_FIFO_INT_SETALL 0x0000ffff |
| #define TIFM_FIFO_INTMASK 0x00000005 /* Meaning of this constant is unverified */ |
| |
| #define TIFM_DMA_RESET 0x00000002 /* Meaning of this constant is unverified */ |
| #define TIFM_DMA_TX 0x00008000 /* Meaning of this constant is unverified */ |
| #define TIFM_DMA_EN 0x00000001 /* Meaning of this constant is unverified */ |
| |
| typedef enum {FM_NULL = 0, FM_XD = 0x01, FM_MS = 0x02, FM_SD = 0x03} tifm_media_id; |
| |
| struct tifm_driver; |
| struct tifm_dev { |
| char __iomem *addr; |
| spinlock_t lock; |
| tifm_media_id media_id; |
| unsigned int socket_id; |
| |
| void (*signal_irq)(struct tifm_dev *sock, |
| unsigned int sock_irq_status); |
| |
| struct tifm_driver *drv; |
| struct device dev; |
| }; |
| |
| struct tifm_driver { |
| tifm_media_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; |
| wait_queue_head_t change_set_notify; |
| unsigned int id; |
| unsigned int num_sockets; |
| struct tifm_dev **sockets; |
| struct task_struct *media_switcher; |
| struct class_device cdev; |
| struct device *dev; |
| |
| void (*eject)(struct tifm_adapter *fm, struct tifm_dev *sock); |
| }; |
| |
| struct tifm_adapter *tifm_alloc_adapter(void); |
| void tifm_free_device(struct device *dev); |
| void tifm_free_adapter(struct tifm_adapter *fm); |
| int tifm_add_adapter(struct tifm_adapter *fm, int (*mediathreadfn)(void *data)); |
| void tifm_remove_adapter(struct tifm_adapter *fm); |
| struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm); |
| 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_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); |
| |
| |
| 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); |
| } |
| |
| struct tifm_device_id { |
| tifm_media_id media_id; |
| }; |
| |
| #endif |