1 /* 2 * linux/drivers/mmc/host/wbsd.h - Winbond W83L51xD SD/MMC driver 3 * 4 * Copyright (C) 2004-2007 Pierre Ossman, All Rights Reserved. 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 as published by 8 * the Free Software Foundation; either version 2 of the License, or (at 9 * your option) any later version. 10 */ 11 12 #define LOCK_CODE 0xAA 13 14 #define WBSD_CONF_SWRST 0x02 15 #define WBSD_CONF_DEVICE 0x07 16 #define WBSD_CONF_ID_HI 0x20 17 #define WBSD_CONF_ID_LO 0x21 18 #define WBSD_CONF_POWER 0x22 19 #define WBSD_CONF_PME 0x23 20 #define WBSD_CONF_PMES 0x24 21 22 #define WBSD_CONF_ENABLE 0x30 23 #define WBSD_CONF_PORT_HI 0x60 24 #define WBSD_CONF_PORT_LO 0x61 25 #define WBSD_CONF_IRQ 0x70 26 #define WBSD_CONF_DRQ 0x74 27 28 #define WBSD_CONF_PINS 0xF0 29 30 #define DEVICE_SD 0x03 31 32 #define WBSD_PINS_DAT3_HI 0x20 33 #define WBSD_PINS_DAT3_OUT 0x10 34 #define WBSD_PINS_GP11_HI 0x04 35 #define WBSD_PINS_DETECT_GP11 0x02 36 #define WBSD_PINS_DETECT_DAT3 0x01 37 38 #define WBSD_CMDR 0x00 39 #define WBSD_DFR 0x01 40 #define WBSD_EIR 0x02 41 #define WBSD_ISR 0x03 42 #define WBSD_FSR 0x04 43 #define WBSD_IDXR 0x05 44 #define WBSD_DATAR 0x06 45 #define WBSD_CSR 0x07 46 47 #define WBSD_EINT_CARD 0x40 48 #define WBSD_EINT_FIFO_THRE 0x20 49 #define WBSD_EINT_CRC 0x10 50 #define WBSD_EINT_TIMEOUT 0x08 51 #define WBSD_EINT_PROGEND 0x04 52 #define WBSD_EINT_BUSYEND 0x02 53 #define WBSD_EINT_TC 0x01 54 55 #define WBSD_INT_PENDING 0x80 56 #define WBSD_INT_CARD 0x40 57 #define WBSD_INT_FIFO_THRE 0x20 58 #define WBSD_INT_CRC 0x10 59 #define WBSD_INT_TIMEOUT 0x08 60 #define WBSD_INT_PROGEND 0x04 61 #define WBSD_INT_BUSYEND 0x02 62 #define WBSD_INT_TC 0x01 63 64 #define WBSD_FIFO_EMPTY 0x80 65 #define WBSD_FIFO_FULL 0x40 66 #define WBSD_FIFO_EMTHRE 0x20 67 #define WBSD_FIFO_FUTHRE 0x10 68 #define WBSD_FIFO_SZMASK 0x0F 69 70 #define WBSD_MSLED 0x20 71 #define WBSD_POWER_N 0x10 72 #define WBSD_WRPT 0x04 73 #define WBSD_CARDPRESENT 0x01 74 75 #define WBSD_IDX_CLK 0x01 76 #define WBSD_IDX_PBSMSB 0x02 77 #define WBSD_IDX_TAAC 0x03 78 #define WBSD_IDX_NSAC 0x04 79 #define WBSD_IDX_PBSLSB 0x05 80 #define WBSD_IDX_SETUP 0x06 81 #define WBSD_IDX_DMA 0x07 82 #define WBSD_IDX_FIFOEN 0x08 83 #define WBSD_IDX_STATUS 0x10 84 #define WBSD_IDX_RSPLEN 0x1E 85 #define WBSD_IDX_RESP0 0x1F 86 #define WBSD_IDX_RESP1 0x20 87 #define WBSD_IDX_RESP2 0x21 88 #define WBSD_IDX_RESP3 0x22 89 #define WBSD_IDX_RESP4 0x23 90 #define WBSD_IDX_RESP5 0x24 91 #define WBSD_IDX_RESP6 0x25 92 #define WBSD_IDX_RESP7 0x26 93 #define WBSD_IDX_RESP8 0x27 94 #define WBSD_IDX_RESP9 0x28 95 #define WBSD_IDX_RESP10 0x29 96 #define WBSD_IDX_RESP11 0x2A 97 #define WBSD_IDX_RESP12 0x2B 98 #define WBSD_IDX_RESP13 0x2C 99 #define WBSD_IDX_RESP14 0x2D 100 #define WBSD_IDX_RESP15 0x2E 101 #define WBSD_IDX_RESP16 0x2F 102 #define WBSD_IDX_CRCSTATUS 0x30 103 #define WBSD_IDX_ISR 0x3F 104 105 #define WBSD_CLK_375K 0x00 106 #define WBSD_CLK_12M 0x01 107 #define WBSD_CLK_16M 0x02 108 #define WBSD_CLK_24M 0x03 109 110 #define WBSD_DATA_WIDTH 0x01 111 112 #define WBSD_DAT3_H 0x08 113 #define WBSD_FIFO_RESET 0x04 114 #define WBSD_SOFT_RESET 0x02 115 #define WBSD_INC_INDEX 0x01 116 117 #define WBSD_DMA_SINGLE 0x02 118 #define WBSD_DMA_ENABLE 0x01 119 120 #define WBSD_FIFOEN_EMPTY 0x20 121 #define WBSD_FIFOEN_FULL 0x10 122 #define WBSD_FIFO_THREMASK 0x0F 123 124 #define WBSD_BLOCK_READ 0x80 125 #define WBSD_BLOCK_WRITE 0x40 126 #define WBSD_BUSY 0x20 127 #define WBSD_CARDTRAFFIC 0x04 128 #define WBSD_SENDCMD 0x02 129 #define WBSD_RECVRES 0x01 130 131 #define WBSD_RSP_SHORT 0x00 132 #define WBSD_RSP_LONG 0x01 133 134 #define WBSD_CRC_MASK 0x1F 135 #define WBSD_CRC_OK 0x05 /* S010E (00101) */ 136 #define WBSD_CRC_FAIL 0x0B /* S101E (01011) */ 137 138 #define WBSD_DMA_SIZE 65536 139 140 struct wbsd_host 141 { 142 struct mmc_host* mmc; /* MMC structure */ 143 144 spinlock_t lock; /* Mutex */ 145 146 int flags; /* Driver states */ 147 148 #define WBSD_FCARD_PRESENT (1<<0) /* Card is present */ 149 #define WBSD_FIGNORE_DETECT (1<<1) /* Ignore card detection */ 150 151 struct mmc_request* mrq; /* Current request */ 152 153 u8 isr; /* Accumulated ISR */ 154 155 struct scatterlist* cur_sg; /* Current SG entry */ 156 unsigned int num_sg; /* Number of entries left */ 157 158 unsigned int offset; /* Offset into current entry */ 159 unsigned int remain; /* Data left in curren entry */ 160 161 char* dma_buffer; /* ISA DMA buffer */ 162 dma_addr_t dma_addr; /* Physical address for same */ 163 164 int firsterr; /* See fifo functions */ 165 166 u8 clk; /* Current clock speed */ 167 unsigned char bus_width; /* Current bus width */ 168 169 int config; /* Config port */ 170 u8 unlock_code; /* Code to unlock config */ 171 172 int chip_id; /* ID of controller */ 173 174 int base; /* I/O port base */ 175 int irq; /* Interrupt */ 176 int dma; /* DMA channel */ 177 178 struct tasklet_struct card_tasklet; /* Tasklet structures */ 179 struct tasklet_struct fifo_tasklet; 180 struct tasklet_struct crc_tasklet; 181 struct tasklet_struct timeout_tasklet; 182 struct tasklet_struct finish_tasklet; 183 184 struct timer_list ignore_timer; /* Ignore detection timer */ 185 }; 186