diff options
Diffstat (limited to 'drivers/mmc/wbsd.h')
| -rw-r--r-- | drivers/mmc/wbsd.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/drivers/mmc/wbsd.h b/drivers/mmc/wbsd.h new file mode 100644 index 000000000000..fdc03b56a81f --- /dev/null +++ b/drivers/mmc/wbsd.h | |||
| @@ -0,0 +1,178 @@ | |||
| 1 | /* | ||
| 2 | * linux/drivers/mmc/wbsd.h - Winbond W83L51xD SD/MMC driver | ||
| 3 | * | ||
| 4 | * Copyright (C) 2004-2005 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 version 2 as | ||
| 8 | * published by the Free Software Foundation. | ||
| 9 | */ | ||
| 10 | |||
| 11 | const int config_ports[] = { 0x2E, 0x4E }; | ||
| 12 | const int unlock_codes[] = { 0x83, 0x87 }; | ||
| 13 | |||
| 14 | const int valid_ids[] = { | ||
| 15 | 0x7112, | ||
| 16 | }; | ||
| 17 | |||
| 18 | #define LOCK_CODE 0xAA | ||
| 19 | |||
| 20 | #define WBSD_CONF_SWRST 0x02 | ||
| 21 | #define WBSD_CONF_DEVICE 0x07 | ||
| 22 | #define WBSD_CONF_ID_HI 0x20 | ||
| 23 | #define WBSD_CONF_ID_LO 0x21 | ||
| 24 | #define WBSD_CONF_POWER 0x22 | ||
| 25 | #define WBSD_CONF_PME 0x23 | ||
| 26 | #define WBSD_CONF_PMES 0x24 | ||
| 27 | |||
| 28 | #define WBSD_CONF_ENABLE 0x30 | ||
| 29 | #define WBSD_CONF_PORT_HI 0x60 | ||
| 30 | #define WBSD_CONF_PORT_LO 0x61 | ||
| 31 | #define WBSD_CONF_IRQ 0x70 | ||
| 32 | #define WBSD_CONF_DRQ 0x74 | ||
| 33 | |||
| 34 | #define WBSD_CONF_PINS 0xF0 | ||
| 35 | |||
| 36 | #define DEVICE_SD 0x03 | ||
| 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_CCRC 0x10 | ||
| 50 | #define WBSD_EINT_TIMEOUT 0x08 | ||
| 51 | #define WBSD_EINT_PROGEND 0x04 | ||
| 52 | #define WBSD_EINT_CRC 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_DAT3_H 0x08 | ||
| 111 | #define WBSD_FIFO_RESET 0x04 | ||
| 112 | #define WBSD_SOFT_RESET 0x02 | ||
| 113 | #define WBSD_INC_INDEX 0x01 | ||
| 114 | |||
| 115 | #define WBSD_DMA_SINGLE 0x02 | ||
| 116 | #define WBSD_DMA_ENABLE 0x01 | ||
| 117 | |||
| 118 | #define WBSD_FIFOEN_EMPTY 0x20 | ||
| 119 | #define WBSD_FIFOEN_FULL 0x10 | ||
| 120 | #define WBSD_FIFO_THREMASK 0x0F | ||
| 121 | |||
| 122 | #define WBSD_BLOCK_READ 0x80 | ||
| 123 | #define WBSD_BLOCK_WRITE 0x40 | ||
| 124 | #define WBSD_BUSY 0x20 | ||
| 125 | #define WBSD_CARDTRAFFIC 0x04 | ||
| 126 | #define WBSD_SENDCMD 0x02 | ||
| 127 | #define WBSD_RECVRES 0x01 | ||
| 128 | |||
| 129 | #define WBSD_RSP_SHORT 0x00 | ||
| 130 | #define WBSD_RSP_LONG 0x01 | ||
| 131 | |||
| 132 | #define WBSD_CRC_MASK 0x1F | ||
| 133 | #define WBSD_CRC_OK 0x05 /* S010E (00101) */ | ||
| 134 | #define WBSD_CRC_FAIL 0x0B /* S101E (01011) */ | ||
| 135 | |||
| 136 | |||
| 137 | struct wbsd_host | ||
| 138 | { | ||
| 139 | struct mmc_host* mmc; /* MMC structure */ | ||
| 140 | |||
| 141 | spinlock_t lock; /* Mutex */ | ||
| 142 | |||
| 143 | struct mmc_request* mrq; /* Current request */ | ||
| 144 | |||
| 145 | u8 isr; /* Accumulated ISR */ | ||
| 146 | |||
| 147 | struct scatterlist* cur_sg; /* Current SG entry */ | ||
| 148 | unsigned int num_sg; /* Number of entries left */ | ||
| 149 | void* mapped_sg; /* vaddr of mapped sg */ | ||
| 150 | |||
| 151 | unsigned int offset; /* Offset into current entry */ | ||
| 152 | unsigned int remain; /* Data left in curren entry */ | ||
| 153 | |||
| 154 | int size; /* Total size of transfer */ | ||
| 155 | |||
| 156 | char* dma_buffer; /* ISA DMA buffer */ | ||
| 157 | dma_addr_t dma_addr; /* Physical address for same */ | ||
| 158 | |||
| 159 | int firsterr; /* See fifo functions */ | ||
| 160 | |||
| 161 | u8 clk; /* Current clock speed */ | ||
| 162 | |||
| 163 | int config; /* Config port */ | ||
| 164 | u8 unlock_code; /* Code to unlock config */ | ||
| 165 | |||
| 166 | int chip_id; /* ID of controller */ | ||
| 167 | |||
| 168 | int base; /* I/O port base */ | ||
| 169 | int irq; /* Interrupt */ | ||
| 170 | int dma; /* DMA channel */ | ||
| 171 | |||
| 172 | struct tasklet_struct card_tasklet; /* Tasklet structures */ | ||
| 173 | struct tasklet_struct fifo_tasklet; | ||
| 174 | struct tasklet_struct crc_tasklet; | ||
| 175 | struct tasklet_struct timeout_tasklet; | ||
| 176 | struct tasklet_struct finish_tasklet; | ||
| 177 | struct tasklet_struct block_tasklet; | ||
| 178 | }; | ||
