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831f5dcf12
Driver supports PCI devices with class 8 and subclass 5 according to SD Host Controller Specification. Update NOTES, enable module and static build. Enable related mmc and mmcsd modules build. Discussed on: mobile@, current@
191 lines
6.0 KiB
C
191 lines
6.0 KiB
C
/*-
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* Copyright (c) 2008 Alexander Motin <mav@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* PCI registers
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*/
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#define PCI_SDHCI_IFPIO 0x00
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#define PCI_SDHCI_IFDMA 0x01
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#define PCI_SDHCI_IFVENDOR 0x02
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#define PCI_SLOT_INFO 0x40 /* 8 bits */
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#define PCI_SLOT_INFO_SLOTS(x) (((x >> 4) & 7) + 1)
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#define PCI_SLOT_INFO_FIRST_BAR(x) ((x) & 7)
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/*
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* Controller registers
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*/
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#define SDHCI_DMA_ADDRESS 0x00
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#define SDHCI_BLOCK_SIZE 0x04
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#define SDHCI_MAKE_BLKSZ(dma, blksz) (((dma & 0x7) << 12) | (blksz & 0xFFF))
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#define SDHCI_BLOCK_COUNT 0x06
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#define SDHCI_ARGUMENT 0x08
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#define SDHCI_TRANSFER_MODE 0x0C
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#define SDHCI_TRNS_DMA 0x01
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#define SDHCI_TRNS_BLK_CNT_EN 0x02
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#define SDHCI_TRNS_ACMD12 0x04
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#define SDHCI_TRNS_READ 0x10
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#define SDHCI_TRNS_MULTI 0x20
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#define SDHCI_COMMAND_FLAGS 0x0E
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#define SDHCI_CMD_RESP_NONE 0x00
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#define SDHCI_CMD_RESP_LONG 0x01
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#define SDHCI_CMD_RESP_SHORT 0x02
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#define SDHCI_CMD_RESP_SHORT_BUSY 0x03
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#define SDHCI_CMD_RESP_MASK 0x03
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#define SDHCI_CMD_CRC 0x08
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#define SDHCI_CMD_INDEX 0x10
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#define SDHCI_CMD_DATA 0x20
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#define SDHCI_CMD_TYPE_NORMAL 0x00
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#define SDHCI_CMD_TYPE_SUSPEND 0x40
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#define SDHCI_CMD_TYPE_RESUME 0x80
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#define SDHCI_CMD_TYPE_ABORT 0xc0
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#define SDHCI_CMD_TYPE_MASK 0xc0
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#define SDHCI_COMMAND 0x0F
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#define SDHCI_RESPONSE 0x10
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#define SDHCI_BUFFER 0x20
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#define SDHCI_PRESENT_STATE 0x24
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#define SDHCI_CMD_INHIBIT 0x00000001
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#define SDHCI_DAT_INHIBIT 0x00000002
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#define SDHCI_DAT_ACTIVE 0x00000004
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#define SDHCI_DOING_WRITE 0x00000100
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#define SDHCI_DOING_READ 0x00000200
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#define SDHCI_SPACE_AVAILABLE 0x00000400
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#define SDHCI_DATA_AVAILABLE 0x00000800
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#define SDHCI_CARD_PRESENT 0x00010000
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#define SDHCI_CARD_STABLE 0x00020000
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#define SDHCI_CARD_PIN 0x00040000
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#define SDHCI_WRITE_PROTECT 0x00080000
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#define SDHCI_STATE_DAT 0x00700000
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#define SDHCI_STATE_CMD 0x00800000
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#define SDHCI_HOST_CONTROL 0x28
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#define SDHCI_CTRL_LED 0x01
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#define SDHCI_CTRL_4BITBUS 0x02
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#define SDHCI_CTRL_HISPD 0x04
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#define SDHCI_CTRL_SDMA 0x08
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#define SDHCI_CTRL_ADMA2 0x10
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#define SDHCI_CTRL_ADMA264 0x18
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#define SDHCI_CTRL_CARD_DET 0x40
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#define SDHCI_CTRL_FORCE_CARD 0x80
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#define SDHCI_POWER_CONTROL 0x29
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#define SDHCI_POWER_ON 0x01
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#define SDHCI_POWER_180 0x0A
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#define SDHCI_POWER_300 0x0C
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#define SDHCI_POWER_330 0x0E
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#define SDHCI_BLOCK_GAP_CONTROL 0x2A
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#define SDHCI_WAKE_UP_CONTROL 0x2B
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#define SDHCI_CLOCK_CONTROL 0x2C
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#define SDHCI_DIVIDER_SHIFT 8
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#define SDHCI_CLOCK_CARD_EN 0x0004
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#define SDHCI_CLOCK_INT_STABLE 0x0002
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#define SDHCI_CLOCK_INT_EN 0x0001
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#define SDHCI_TIMEOUT_CONTROL 0x2E
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#define SDHCI_SOFTWARE_RESET 0x2F
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#define SDHCI_RESET_ALL 0x01
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#define SDHCI_RESET_CMD 0x02
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#define SDHCI_RESET_DATA 0x04
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#define SDHCI_INT_STATUS 0x30
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#define SDHCI_INT_ENABLE 0x34
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#define SDHCI_SIGNAL_ENABLE 0x38
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#define SDHCI_INT_RESPONSE 0x00000001
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#define SDHCI_INT_DATA_END 0x00000002
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#define SDHCI_INT_BLOCK_GAP 0x00000004
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#define SDHCI_INT_DMA_END 0x00000008
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#define SDHCI_INT_SPACE_AVAIL 0x00000010
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#define SDHCI_INT_DATA_AVAIL 0x00000020
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#define SDHCI_INT_CARD_INSERT 0x00000040
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#define SDHCI_INT_CARD_REMOVE 0x00000080
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#define SDHCI_INT_CARD_INT 0x00000100
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#define SDHCI_INT_ERROR 0x00008000
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#define SDHCI_INT_TIMEOUT 0x00010000
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#define SDHCI_INT_CRC 0x00020000
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#define SDHCI_INT_END_BIT 0x00040000
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#define SDHCI_INT_INDEX 0x00080000
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#define SDHCI_INT_DATA_TIMEOUT 0x00100000
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#define SDHCI_INT_DATA_CRC 0x00200000
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#define SDHCI_INT_DATA_END_BIT 0x00400000
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#define SDHCI_INT_BUS_POWER 0x00800000
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#define SDHCI_INT_ACMD12ERR 0x01000000
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#define SDHCI_INT_ADMAERR 0x02000000
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#define SDHCI_INT_NORMAL_MASK 0x00007FFF
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#define SDHCI_INT_ERROR_MASK 0xFFFF8000
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#define SDHCI_INT_CMD_MASK (SDHCI_INT_RESPONSE | SDHCI_INT_TIMEOUT | \
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SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX)
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#define SDHCI_INT_DATA_MASK (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \
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SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \
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SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \
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SDHCI_INT_DATA_END_BIT)
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#define SDHCI_ACMD12_ERR 0x3C
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#define SDHCI_CAPABILITIES 0x40
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#define SDHCI_TIMEOUT_CLK_MASK 0x0000003F
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#define SDHCI_TIMEOUT_CLK_SHIFT 0
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#define SDHCI_TIMEOUT_CLK_UNIT 0x00000080
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#define SDHCI_CLOCK_BASE_MASK 0x00003F00
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#define SDHCI_CLOCK_BASE_SHIFT 8
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#define SDHCI_MAX_BLOCK_MASK 0x00030000
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#define SDHCI_MAX_BLOCK_SHIFT 16
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#define SDHCI_CAN_DO_ADMA2 0x00080000
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#define SDHCI_CAN_DO_HISPD 0x00200000
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#define SDHCI_CAN_DO_DMA 0x00400000
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#define SDHCI_CAN_DO_SUSPEND 0x00800000
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#define SDHCI_CAN_VDD_330 0x01000000
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#define SDHCI_CAN_VDD_300 0x02000000
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#define SDHCI_CAN_VDD_180 0x04000000
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#define SDHCI_CAN_DO_64BIT 0x10000000
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#define SDHCI_MAX_CURRENT 0x48
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#define SDHCI_SLOT_INT_STATUS 0xFC
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#define SDHCI_HOST_VERSION 0xFE
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#define SDHCI_VENDOR_VER_MASK 0xFF00
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#define SDHCI_VENDOR_VER_SHIFT 8
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#define SDHCI_SPEC_VER_MASK 0x00FF
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#define SDHCI_SPEC_VER_SHIFT 0
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