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5721dbf217
Block completion interrupts occur faster than we can process them, so just ignore them competely. Commit also fixes up some incorrect register defines. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
186 lines
4.7 KiB
C
186 lines
4.7 KiB
C
/*
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* linux/drivers/mmc/wbsd.h - Winbond W83L51xD SD/MMC driver
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*
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* Copyright (C) 2004-2007 Pierre Ossman, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*/
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#define LOCK_CODE 0xAA
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#define WBSD_CONF_SWRST 0x02
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#define WBSD_CONF_DEVICE 0x07
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#define WBSD_CONF_ID_HI 0x20
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#define WBSD_CONF_ID_LO 0x21
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#define WBSD_CONF_POWER 0x22
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#define WBSD_CONF_PME 0x23
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#define WBSD_CONF_PMES 0x24
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#define WBSD_CONF_ENABLE 0x30
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#define WBSD_CONF_PORT_HI 0x60
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#define WBSD_CONF_PORT_LO 0x61
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#define WBSD_CONF_IRQ 0x70
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#define WBSD_CONF_DRQ 0x74
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#define WBSD_CONF_PINS 0xF0
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#define DEVICE_SD 0x03
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#define WBSD_PINS_DAT3_HI 0x20
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#define WBSD_PINS_DAT3_OUT 0x10
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#define WBSD_PINS_GP11_HI 0x04
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#define WBSD_PINS_DETECT_GP11 0x02
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#define WBSD_PINS_DETECT_DAT3 0x01
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#define WBSD_CMDR 0x00
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#define WBSD_DFR 0x01
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#define WBSD_EIR 0x02
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#define WBSD_ISR 0x03
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#define WBSD_FSR 0x04
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#define WBSD_IDXR 0x05
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#define WBSD_DATAR 0x06
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#define WBSD_CSR 0x07
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#define WBSD_EINT_CARD 0x40
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#define WBSD_EINT_FIFO_THRE 0x20
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#define WBSD_EINT_CRC 0x10
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#define WBSD_EINT_TIMEOUT 0x08
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#define WBSD_EINT_PROGEND 0x04
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#define WBSD_EINT_BUSYEND 0x02
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#define WBSD_EINT_TC 0x01
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#define WBSD_INT_PENDING 0x80
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#define WBSD_INT_CARD 0x40
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#define WBSD_INT_FIFO_THRE 0x20
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#define WBSD_INT_CRC 0x10
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#define WBSD_INT_TIMEOUT 0x08
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#define WBSD_INT_PROGEND 0x04
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#define WBSD_INT_BUSYEND 0x02
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#define WBSD_INT_TC 0x01
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#define WBSD_FIFO_EMPTY 0x80
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#define WBSD_FIFO_FULL 0x40
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#define WBSD_FIFO_EMTHRE 0x20
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#define WBSD_FIFO_FUTHRE 0x10
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#define WBSD_FIFO_SZMASK 0x0F
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#define WBSD_MSLED 0x20
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#define WBSD_POWER_N 0x10
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#define WBSD_WRPT 0x04
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#define WBSD_CARDPRESENT 0x01
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#define WBSD_IDX_CLK 0x01
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#define WBSD_IDX_PBSMSB 0x02
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#define WBSD_IDX_TAAC 0x03
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#define WBSD_IDX_NSAC 0x04
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#define WBSD_IDX_PBSLSB 0x05
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#define WBSD_IDX_SETUP 0x06
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#define WBSD_IDX_DMA 0x07
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#define WBSD_IDX_FIFOEN 0x08
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#define WBSD_IDX_STATUS 0x10
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#define WBSD_IDX_RSPLEN 0x1E
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#define WBSD_IDX_RESP0 0x1F
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#define WBSD_IDX_RESP1 0x20
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#define WBSD_IDX_RESP2 0x21
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#define WBSD_IDX_RESP3 0x22
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#define WBSD_IDX_RESP4 0x23
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#define WBSD_IDX_RESP5 0x24
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#define WBSD_IDX_RESP6 0x25
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#define WBSD_IDX_RESP7 0x26
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#define WBSD_IDX_RESP8 0x27
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#define WBSD_IDX_RESP9 0x28
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#define WBSD_IDX_RESP10 0x29
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#define WBSD_IDX_RESP11 0x2A
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#define WBSD_IDX_RESP12 0x2B
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#define WBSD_IDX_RESP13 0x2C
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#define WBSD_IDX_RESP14 0x2D
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#define WBSD_IDX_RESP15 0x2E
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#define WBSD_IDX_RESP16 0x2F
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#define WBSD_IDX_CRCSTATUS 0x30
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#define WBSD_IDX_ISR 0x3F
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#define WBSD_CLK_375K 0x00
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#define WBSD_CLK_12M 0x01
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#define WBSD_CLK_16M 0x02
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#define WBSD_CLK_24M 0x03
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#define WBSD_DATA_WIDTH 0x01
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#define WBSD_DAT3_H 0x08
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#define WBSD_FIFO_RESET 0x04
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#define WBSD_SOFT_RESET 0x02
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#define WBSD_INC_INDEX 0x01
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#define WBSD_DMA_SINGLE 0x02
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#define WBSD_DMA_ENABLE 0x01
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#define WBSD_FIFOEN_EMPTY 0x20
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#define WBSD_FIFOEN_FULL 0x10
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#define WBSD_FIFO_THREMASK 0x0F
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#define WBSD_BLOCK_READ 0x80
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#define WBSD_BLOCK_WRITE 0x40
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#define WBSD_BUSY 0x20
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#define WBSD_CARDTRAFFIC 0x04
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#define WBSD_SENDCMD 0x02
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#define WBSD_RECVRES 0x01
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#define WBSD_RSP_SHORT 0x00
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#define WBSD_RSP_LONG 0x01
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#define WBSD_CRC_MASK 0x1F
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#define WBSD_CRC_OK 0x05 /* S010E (00101) */
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#define WBSD_CRC_FAIL 0x0B /* S101E (01011) */
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#define WBSD_DMA_SIZE 65536
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struct wbsd_host
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{
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struct mmc_host* mmc; /* MMC structure */
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spinlock_t lock; /* Mutex */
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int flags; /* Driver states */
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#define WBSD_FCARD_PRESENT (1<<0) /* Card is present */
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#define WBSD_FIGNORE_DETECT (1<<1) /* Ignore card detection */
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struct mmc_request* mrq; /* Current request */
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u8 isr; /* Accumulated ISR */
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struct scatterlist* cur_sg; /* Current SG entry */
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unsigned int num_sg; /* Number of entries left */
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unsigned int offset; /* Offset into current entry */
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unsigned int remain; /* Data left in curren entry */
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char* dma_buffer; /* ISA DMA buffer */
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dma_addr_t dma_addr; /* Physical address for same */
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int firsterr; /* See fifo functions */
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u8 clk; /* Current clock speed */
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unsigned char bus_width; /* Current bus width */
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int config; /* Config port */
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u8 unlock_code; /* Code to unlock config */
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int chip_id; /* ID of controller */
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int base; /* I/O port base */
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int irq; /* Interrupt */
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int dma; /* DMA channel */
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struct tasklet_struct card_tasklet; /* Tasklet structures */
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struct tasklet_struct fifo_tasklet;
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struct tasklet_struct crc_tasklet;
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struct tasklet_struct timeout_tasklet;
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struct tasklet_struct finish_tasklet;
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struct timer_list ignore_timer; /* Ignore detection timer */
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};
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