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https://github.com/edk2-porting/linux-next.git
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92b22d935f
Additional input received from JMicron on MemoryStick host interfaces showed that some assumtions in fifo handling code were incorrect. This patch also fixes data corruption used to occure during PIO transfers. Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
165 lines
4.8 KiB
C
165 lines
4.8 KiB
C
/*
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* tifm.h - TI FlashMedia driver
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*
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* Copyright (C) 2006 Alex Dubov <oakad@yahoo.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef _TIFM_H
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#define _TIFM_H
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#include <linux/spinlock.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/pci.h>
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#include <linux/workqueue.h>
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/* Host registers (relative to pci base address): */
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enum {
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FM_SET_INTERRUPT_ENABLE = 0x008,
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FM_CLEAR_INTERRUPT_ENABLE = 0x00c,
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FM_INTERRUPT_STATUS = 0x014
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};
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/* Socket registers (relative to socket base address): */
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enum {
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SOCK_CONTROL = 0x004,
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SOCK_PRESENT_STATE = 0x008,
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SOCK_DMA_ADDRESS = 0x00c,
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SOCK_DMA_CONTROL = 0x010,
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SOCK_DMA_FIFO_INT_ENABLE_SET = 0x014,
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SOCK_DMA_FIFO_INT_ENABLE_CLEAR = 0x018,
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SOCK_DMA_FIFO_STATUS = 0x020,
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SOCK_FIFO_CONTROL = 0x024,
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SOCK_FIFO_PAGE_SIZE = 0x028,
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SOCK_MMCSD_COMMAND = 0x104,
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SOCK_MMCSD_ARG_LOW = 0x108,
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SOCK_MMCSD_ARG_HIGH = 0x10c,
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SOCK_MMCSD_CONFIG = 0x110,
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SOCK_MMCSD_STATUS = 0x114,
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SOCK_MMCSD_INT_ENABLE = 0x118,
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SOCK_MMCSD_COMMAND_TO = 0x11c,
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SOCK_MMCSD_DATA_TO = 0x120,
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SOCK_MMCSD_DATA = 0x124,
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SOCK_MMCSD_BLOCK_LEN = 0x128,
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SOCK_MMCSD_NUM_BLOCKS = 0x12c,
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SOCK_MMCSD_BUFFER_CONFIG = 0x130,
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SOCK_MMCSD_SPI_CONFIG = 0x134,
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SOCK_MMCSD_SDIO_MODE_CONFIG = 0x138,
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SOCK_MMCSD_RESPONSE = 0x144,
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SOCK_MMCSD_SDIO_SR = 0x164,
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SOCK_MMCSD_SYSTEM_CONTROL = 0x168,
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SOCK_MMCSD_SYSTEM_STATUS = 0x16c,
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SOCK_MS_COMMAND = 0x184,
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SOCK_MS_DATA = 0x188,
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SOCK_MS_STATUS = 0x18c,
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SOCK_MS_SYSTEM = 0x190,
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SOCK_FIFO_ACCESS = 0x200
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};
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#define TIFM_CTRL_LED 0x00000040
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#define TIFM_CTRL_FAST_CLK 0x00000100
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#define TIFM_CTRL_POWER_MASK 0x00000007
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#define TIFM_SOCK_STATE_OCCUPIED 0x00000008
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#define TIFM_SOCK_STATE_POWERED 0x00000080
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#define TIFM_FIFO_ENABLE 0x00000001
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#define TIFM_FIFO_READY 0x00000001
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#define TIFM_FIFO_MORE 0x00000008
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#define TIFM_FIFO_INT_SETALL 0x0000ffff
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#define TIFM_FIFO_INTMASK 0x00000005
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#define TIFM_DMA_RESET 0x00000002
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#define TIFM_DMA_TX 0x00008000
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#define TIFM_DMA_EN 0x00000001
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#define TIFM_DMA_TSIZE 0x0000007f
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#define TIFM_TYPE_XD 1
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#define TIFM_TYPE_MS 2
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#define TIFM_TYPE_SD 3
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struct tifm_device_id {
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unsigned char type;
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};
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struct tifm_driver;
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struct tifm_dev {
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char __iomem *addr;
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spinlock_t lock;
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unsigned char type;
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unsigned int socket_id;
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void (*card_event)(struct tifm_dev *sock);
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void (*data_event)(struct tifm_dev *sock);
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struct device dev;
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};
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struct tifm_driver {
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struct tifm_device_id *id_table;
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int (*probe)(struct tifm_dev *dev);
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void (*remove)(struct tifm_dev *dev);
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int (*suspend)(struct tifm_dev *dev,
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pm_message_t state);
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int (*resume)(struct tifm_dev *dev);
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struct device_driver driver;
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};
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struct tifm_adapter {
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char __iomem *addr;
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spinlock_t lock;
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unsigned int irq_status;
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unsigned int socket_change_set;
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unsigned int id;
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unsigned int num_sockets;
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struct completion *finish_me;
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struct work_struct media_switcher;
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struct device dev;
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void (*eject)(struct tifm_adapter *fm,
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struct tifm_dev *sock);
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int (*has_ms_pif)(struct tifm_adapter *fm,
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struct tifm_dev *sock);
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struct tifm_dev *sockets[0];
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};
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struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets,
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struct device *dev);
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int tifm_add_adapter(struct tifm_adapter *fm);
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void tifm_remove_adapter(struct tifm_adapter *fm);
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void tifm_free_adapter(struct tifm_adapter *fm);
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void tifm_free_device(struct device *dev);
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struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id,
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unsigned char type);
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int tifm_register_driver(struct tifm_driver *drv);
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void tifm_unregister_driver(struct tifm_driver *drv);
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void tifm_eject(struct tifm_dev *sock);
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int tifm_has_ms_pif(struct tifm_dev *sock);
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int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
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int direction);
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void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
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int direction);
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void tifm_queue_work(struct work_struct *work);
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static inline void *tifm_get_drvdata(struct tifm_dev *dev)
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{
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return dev_get_drvdata(&dev->dev);
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}
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static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data)
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{
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dev_set_drvdata(&dev->dev, data);
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}
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#endif
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