Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
Pierre Ossman | 643f720 | 2006-09-30 23:27:52 -0700 | [diff] [blame] | 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. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | */ |
| 11 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Pierre Ossman | 85bcc13 | 2005-05-08 19:35:27 +0100 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Pierre Ossman | 65ae211 | 2005-09-06 15:18:57 -0700 | [diff] [blame] | 110 | #define WBSD_DATA_WIDTH 0x01 |
| 111 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Pierre Ossman | 85bcc13 | 2005-05-08 19:35:27 +0100 | [diff] [blame] | 138 | #define WBSD_DMA_SIZE 65536 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | |
| 140 | struct wbsd_host |
| 141 | { |
| 142 | struct mmc_host* mmc; /* MMC structure */ |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 143 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | spinlock_t lock; /* Mutex */ |
| 145 | |
Pierre Ossman | 85bcc13 | 2005-05-08 19:35:27 +0100 | [diff] [blame] | 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 */ |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 150 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | struct mmc_request* mrq; /* Current request */ |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 152 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | u8 isr; /* Accumulated ISR */ |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 154 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | struct scatterlist* cur_sg; /* Current SG entry */ |
| 156 | unsigned int num_sg; /* Number of entries left */ |
| 157 | void* mapped_sg; /* vaddr of mapped sg */ |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 158 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | unsigned int offset; /* Offset into current entry */ |
| 160 | unsigned int remain; /* Data left in curren entry */ |
| 161 | |
| 162 | int size; /* Total size of transfer */ |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 163 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | char* dma_buffer; /* ISA DMA buffer */ |
| 165 | dma_addr_t dma_addr; /* Physical address for same */ |
| 166 | |
| 167 | int firsterr; /* See fifo functions */ |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 168 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | u8 clk; /* Current clock speed */ |
Pierre Ossman | 65ae211 | 2005-09-06 15:18:57 -0700 | [diff] [blame] | 170 | unsigned char bus_width; /* Current bus width */ |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 171 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | int config; /* Config port */ |
| 173 | u8 unlock_code; /* Code to unlock config */ |
| 174 | |
| 175 | int chip_id; /* ID of controller */ |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 176 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | int base; /* I/O port base */ |
| 178 | int irq; /* Interrupt */ |
| 179 | int dma; /* DMA channel */ |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 180 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | struct tasklet_struct card_tasklet; /* Tasklet structures */ |
| 182 | struct tasklet_struct fifo_tasklet; |
| 183 | struct tasklet_struct crc_tasklet; |
| 184 | struct tasklet_struct timeout_tasklet; |
| 185 | struct tasklet_struct finish_tasklet; |
| 186 | struct tasklet_struct block_tasklet; |
Pierre Ossman | fecf92b | 2005-09-12 12:09:25 +0100 | [diff] [blame] | 187 | |
Pierre Ossman | 1656fa5 | 2005-09-03 16:45:49 +0100 | [diff] [blame] | 188 | struct timer_list ignore_timer; /* Ignore detection timer */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | }; |