tifm.h (4770B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * tifm.h - TI FlashMedia driver 4 * 5 * Copyright (C) 2006 Alex Dubov <oakad@yahoo.com> 6 */ 7 8#ifndef _TIFM_H 9#define _TIFM_H 10 11#include <linux/spinlock.h> 12#include <linux/interrupt.h> 13#include <linux/delay.h> 14#include <linux/pci.h> 15#include <linux/workqueue.h> 16 17/* Host registers (relative to pci base address): */ 18enum { 19 FM_SET_INTERRUPT_ENABLE = 0x008, 20 FM_CLEAR_INTERRUPT_ENABLE = 0x00c, 21 FM_INTERRUPT_STATUS = 0x014 22}; 23 24/* Socket registers (relative to socket base address): */ 25enum { 26 SOCK_CONTROL = 0x004, 27 SOCK_PRESENT_STATE = 0x008, 28 SOCK_DMA_ADDRESS = 0x00c, 29 SOCK_DMA_CONTROL = 0x010, 30 SOCK_DMA_FIFO_INT_ENABLE_SET = 0x014, 31 SOCK_DMA_FIFO_INT_ENABLE_CLEAR = 0x018, 32 SOCK_DMA_FIFO_STATUS = 0x020, 33 SOCK_FIFO_CONTROL = 0x024, 34 SOCK_FIFO_PAGE_SIZE = 0x028, 35 SOCK_MMCSD_COMMAND = 0x104, 36 SOCK_MMCSD_ARG_LOW = 0x108, 37 SOCK_MMCSD_ARG_HIGH = 0x10c, 38 SOCK_MMCSD_CONFIG = 0x110, 39 SOCK_MMCSD_STATUS = 0x114, 40 SOCK_MMCSD_INT_ENABLE = 0x118, 41 SOCK_MMCSD_COMMAND_TO = 0x11c, 42 SOCK_MMCSD_DATA_TO = 0x120, 43 SOCK_MMCSD_DATA = 0x124, 44 SOCK_MMCSD_BLOCK_LEN = 0x128, 45 SOCK_MMCSD_NUM_BLOCKS = 0x12c, 46 SOCK_MMCSD_BUFFER_CONFIG = 0x130, 47 SOCK_MMCSD_SPI_CONFIG = 0x134, 48 SOCK_MMCSD_SDIO_MODE_CONFIG = 0x138, 49 SOCK_MMCSD_RESPONSE = 0x144, 50 SOCK_MMCSD_SDIO_SR = 0x164, 51 SOCK_MMCSD_SYSTEM_CONTROL = 0x168, 52 SOCK_MMCSD_SYSTEM_STATUS = 0x16c, 53 SOCK_MS_COMMAND = 0x184, 54 SOCK_MS_DATA = 0x188, 55 SOCK_MS_STATUS = 0x18c, 56 SOCK_MS_SYSTEM = 0x190, 57 SOCK_FIFO_ACCESS = 0x200 58}; 59 60#define TIFM_CTRL_LED 0x00000040 61#define TIFM_CTRL_FAST_CLK 0x00000100 62#define TIFM_CTRL_POWER_MASK 0x00000007 63 64#define TIFM_SOCK_STATE_OCCUPIED 0x00000008 65#define TIFM_SOCK_STATE_POWERED 0x00000080 66 67#define TIFM_FIFO_ENABLE 0x00000001 68#define TIFM_FIFO_READY 0x00000001 69#define TIFM_FIFO_MORE 0x00000008 70#define TIFM_FIFO_INT_SETALL 0x0000ffff 71#define TIFM_FIFO_INTMASK 0x00000005 72 73#define TIFM_DMA_RESET 0x00000002 74#define TIFM_DMA_TX 0x00008000 75#define TIFM_DMA_EN 0x00000001 76#define TIFM_DMA_TSIZE 0x0000007f 77 78#define TIFM_TYPE_XD 1 79#define TIFM_TYPE_MS 2 80#define TIFM_TYPE_SD 3 81 82struct tifm_device_id { 83 unsigned char type; 84}; 85 86struct tifm_driver; 87struct tifm_dev { 88 char __iomem *addr; 89 spinlock_t lock; 90 unsigned char type; 91 unsigned int socket_id; 92 93 void (*card_event)(struct tifm_dev *sock); 94 void (*data_event)(struct tifm_dev *sock); 95 96 struct device dev; 97}; 98 99struct tifm_driver { 100 struct tifm_device_id *id_table; 101 int (*probe)(struct tifm_dev *dev); 102 void (*remove)(struct tifm_dev *dev); 103 int (*suspend)(struct tifm_dev *dev, 104 pm_message_t state); 105 int (*resume)(struct tifm_dev *dev); 106 107 struct device_driver driver; 108}; 109 110struct tifm_adapter { 111 char __iomem *addr; 112 spinlock_t lock; 113 unsigned int irq_status; 114 unsigned int socket_change_set; 115 unsigned int id; 116 unsigned int num_sockets; 117 struct completion *finish_me; 118 119 struct work_struct media_switcher; 120 struct device dev; 121 122 void (*eject)(struct tifm_adapter *fm, 123 struct tifm_dev *sock); 124 int (*has_ms_pif)(struct tifm_adapter *fm, 125 struct tifm_dev *sock); 126 127 struct tifm_dev *sockets[]; 128}; 129 130struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets, 131 struct device *dev); 132int tifm_add_adapter(struct tifm_adapter *fm); 133void tifm_remove_adapter(struct tifm_adapter *fm); 134void tifm_free_adapter(struct tifm_adapter *fm); 135 136void tifm_free_device(struct device *dev); 137struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id, 138 unsigned char type); 139 140int tifm_register_driver(struct tifm_driver *drv); 141void tifm_unregister_driver(struct tifm_driver *drv); 142void tifm_eject(struct tifm_dev *sock); 143int tifm_has_ms_pif(struct tifm_dev *sock); 144int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents, 145 int direction); 146void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents, 147 int direction); 148void tifm_queue_work(struct work_struct *work); 149 150static inline void *tifm_get_drvdata(struct tifm_dev *dev) 151{ 152 return dev_get_drvdata(&dev->dev); 153} 154 155static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data) 156{ 157 dev_set_drvdata(&dev->dev, data); 158} 159 160#endif