1 /* 2 * tifm.h - TI FlashMedia driver 3 * 4 * Copyright (C) 2006 Alex Dubov <[email protected]> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 */ 11 12 #ifndef _TIFM_H 13 #define _TIFM_H 14 15 #include <linux/spinlock.h> 16 #include <linux/interrupt.h> 17 #include <linux/delay.h> 18 #include <linux/pci.h> 19 #include <linux/workqueue.h> 20 21 /* Host registers (relative to pci base address): */ 22 enum { 23 FM_SET_INTERRUPT_ENABLE = 0x008, 24 FM_CLEAR_INTERRUPT_ENABLE = 0x00c, 25 FM_INTERRUPT_STATUS = 0x014 26 }; 27 28 /* Socket registers (relative to socket base address): */ 29 enum { 30 SOCK_CONTROL = 0x004, 31 SOCK_PRESENT_STATE = 0x008, 32 SOCK_DMA_ADDRESS = 0x00c, 33 SOCK_DMA_CONTROL = 0x010, 34 SOCK_DMA_FIFO_INT_ENABLE_SET = 0x014, 35 SOCK_DMA_FIFO_INT_ENABLE_CLEAR = 0x018, 36 SOCK_DMA_FIFO_STATUS = 0x020, 37 SOCK_FIFO_CONTROL = 0x024, 38 SOCK_FIFO_PAGE_SIZE = 0x028, 39 SOCK_MMCSD_COMMAND = 0x104, 40 SOCK_MMCSD_ARG_LOW = 0x108, 41 SOCK_MMCSD_ARG_HIGH = 0x10c, 42 SOCK_MMCSD_CONFIG = 0x110, 43 SOCK_MMCSD_STATUS = 0x114, 44 SOCK_MMCSD_INT_ENABLE = 0x118, 45 SOCK_MMCSD_COMMAND_TO = 0x11c, 46 SOCK_MMCSD_DATA_TO = 0x120, 47 SOCK_MMCSD_DATA = 0x124, 48 SOCK_MMCSD_BLOCK_LEN = 0x128, 49 SOCK_MMCSD_NUM_BLOCKS = 0x12c, 50 SOCK_MMCSD_BUFFER_CONFIG = 0x130, 51 SOCK_MMCSD_SPI_CONFIG = 0x134, 52 SOCK_MMCSD_SDIO_MODE_CONFIG = 0x138, 53 SOCK_MMCSD_RESPONSE = 0x144, 54 SOCK_MMCSD_SDIO_SR = 0x164, 55 SOCK_MMCSD_SYSTEM_CONTROL = 0x168, 56 SOCK_MMCSD_SYSTEM_STATUS = 0x16c, 57 SOCK_MS_COMMAND = 0x184, 58 SOCK_MS_DATA = 0x188, 59 SOCK_MS_STATUS = 0x18c, 60 SOCK_MS_SYSTEM = 0x190, 61 SOCK_FIFO_ACCESS = 0x200 62 }; 63 64 #define TIFM_CTRL_LED 0x00000040 65 #define TIFM_CTRL_FAST_CLK 0x00000100 66 #define TIFM_CTRL_POWER_MASK 0x00000007 67 68 #define TIFM_SOCK_STATE_OCCUPIED 0x00000008 69 #define TIFM_SOCK_STATE_POWERED 0x00000080 70 71 #define TIFM_FIFO_ENABLE 0x00000001 72 #define TIFM_FIFO_READY 0x00000001 73 #define TIFM_FIFO_INT_SETALL 0x0000ffff 74 #define TIFM_FIFO_INTMASK 0x00000005 75 76 #define TIFM_DMA_RESET 0x00000002 77 #define TIFM_DMA_TX 0x00008000 78 #define TIFM_DMA_EN 0x00000001 79 #define TIFM_DMA_TSIZE 0x0000007f 80 81 #define TIFM_TYPE_XD 1 82 #define TIFM_TYPE_MS 2 83 #define TIFM_TYPE_SD 3 84 85 struct tifm_device_id { 86 unsigned char type; 87 }; 88 89 struct tifm_driver; 90 struct tifm_dev { 91 char __iomem *addr; 92 spinlock_t lock; 93 unsigned char type; 94 unsigned int socket_id; 95 96 void (*card_event)(struct tifm_dev *sock); 97 void (*data_event)(struct tifm_dev *sock); 98 99 struct device dev; 100 }; 101 102 struct tifm_driver { 103 struct tifm_device_id *id_table; 104 int (*probe)(struct tifm_dev *dev); 105 void (*remove)(struct tifm_dev *dev); 106 int (*suspend)(struct tifm_dev *dev, 107 pm_message_t state); 108 int (*resume)(struct tifm_dev *dev); 109 110 struct device_driver driver; 111 }; 112 113 struct tifm_adapter { 114 char __iomem *addr; 115 spinlock_t lock; 116 unsigned int irq_status; 117 unsigned int socket_change_set; 118 unsigned int id; 119 unsigned int num_sockets; 120 struct completion *finish_me; 121 122 struct work_struct media_switcher; 123 struct device dev; 124 125 void (*eject)(struct tifm_adapter *fm, 126 struct tifm_dev *sock); 127 128 struct tifm_dev *sockets[0]; 129 }; 130 131 struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets, 132 struct device *dev); 133 int tifm_add_adapter(struct tifm_adapter *fm); 134 void tifm_remove_adapter(struct tifm_adapter *fm); 135 void tifm_free_adapter(struct tifm_adapter *fm); 136 137 void tifm_free_device(struct device *dev); 138 struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id, 139 unsigned char type); 140 141 int tifm_register_driver(struct tifm_driver *drv); 142 void tifm_unregister_driver(struct tifm_driver *drv); 143 void tifm_eject(struct tifm_dev *sock); 144 int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents, 145 int direction); 146 void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents, 147 int direction); 148 void tifm_queue_work(struct work_struct *work); 149 150 static inline void *tifm_get_drvdata(struct tifm_dev *dev) 151 { 152 return dev_get_drvdata(&dev->dev); 153 } 154 155 static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data) 156 { 157 dev_set_drvdata(&dev->dev, data); 158 } 159 160 #endif 161