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편집 파일: alcor_pci.h

/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2018 Oleksij Rempel <linux@rempel-privat.de> * * Driver for Alcor Micro AU6601 and AU6621 controllers */ #ifndef __ALCOR_PCI_H #define __ALCOR_PCI_H #define ALCOR_SD_CARD 0 #define ALCOR_MS_CARD 1 #define DRV_NAME_ALCOR_PCI_SDMMC "alcor_sdmmc" #define DRV_NAME_ALCOR_PCI_MS "alcor_ms" #define PCI_ID_ALCOR_MICRO 0x1AEA #define PCI_ID_AU6601 0x6601 #define PCI_ID_AU6621 0x6621 #define PCI_ID_AU6625 0x6625 #define MHZ_TO_HZ(freq) ((freq) * 1000 * 1000) #define AU6601_BASE_CLOCK 31000000 #define AU6601_MIN_CLOCK 150000 #define AU6601_MAX_CLOCK 208000000 #define AU6601_MAX_DMA_SEGMENTS 64 #define AU6601_MAX_PIO_SEGMENTS 1 #define AU6601_MAX_DMA_BLOCK_SIZE 0x1000 #define AU6601_MAX_PIO_BLOCK_SIZE 0x200 #define AU6601_MAX_DMA_BLOCKS 1 #define AU6601_DMA_LOCAL_SEGMENTS 1 /* registers spotter by reverse engineering but still * with unknown functionality: * 0x10 - ADMA phy address. AU6621 only? * 0x51 - LED ctrl? * 0x52 - unknown * 0x61 - LED related? Always toggled BIT0 * 0x63 - Same as 0x61? * 0x77 - unknown */ /* SDMA phy address. Higher then 0x0800.0000? * The au6601 and au6621 have different DMA engines with different issues. One * For example au6621 engine is triggered by addr change. No other interaction * is needed. This means, if we get two buffers with same address, then engine * will stall. */ #define AU6601_REG_SDMA_ADDR 0x00 #define AU6601_SDMA_MASK 0xffffffff #define AU6601_DMA_BOUNDARY 0x05 #define AU6621_DMA_PAGE_CNT 0x05 /* PIO */ #define AU6601_REG_BUFFER 0x08 /* ADMA ctrl? AU6621 only. */ #define AU6621_DMA_CTRL 0x0c #define AU6621_DMA_ENABLE BIT(0) /* CMD index */ #define AU6601_REG_CMD_OPCODE 0x23 /* CMD parametr */ #define AU6601_REG_CMD_ARG 0x24 /* CMD response 4x4 Bytes */ #define AU6601_REG_CMD_RSP0 0x30 #define AU6601_REG_CMD_RSP1 0x34 #define AU6601_REG_CMD_RSP2 0x38 #define AU6601_REG_CMD_RSP3 0x3C /* default timeout set to 125: 125 * 40ms = 5 sec * how exactly it is calculated? */ #define AU6601_TIME_OUT_CTRL 0x69 /* Block size for SDMA or PIO */ #define AU6601_REG_BLOCK_SIZE 0x6c /* Some power related reg, used together with AU6601_OUTPUT_ENABLE */ #define AU6601_POWER_CONTROL 0x70 /* PLL ctrl */ #define AU6601_CLK_SELECT 0x72 #define AU6601_CLK_OVER_CLK 0x80 #define AU6601_CLK_384_MHZ 0x30 #define AU6601_CLK_125_MHZ 0x20 #define AU6601_CLK_48_MHZ 0x10 #define AU6601_CLK_EXT_PLL 0x04 #define AU6601_CLK_X2_MODE 0x02 #define AU6601_CLK_ENABLE 0x01 #define AU6601_CLK_31_25_MHZ 0x00 #define AU6601_CLK_DIVIDER 0x73 #define AU6601_INTERFACE_MODE_CTRL 0x74 #define AU6601_DLINK_MODE 0x80 #define AU6601_INTERRUPT_DELAY_TIME 0x40 #define AU6601_SIGNAL_REQ_CTRL 0x30 #define AU6601_MS_CARD_WP BIT(3) #define AU6601_SD_CARD_WP BIT(0) /* same register values are used for: * - AU6601_OUTPUT_ENABLE * - AU6601_POWER_CONTROL */ #define AU6601_ACTIVE_CTRL 0x75 #define AU6601_XD_CARD BIT(4) /* AU6601_MS_CARD_ACTIVE - will cativate MS card section? */ #define AU6601_MS_CARD BIT(3) #define AU6601_SD_CARD BIT(0) /* card slot state. It should automatically detect type of * the card */ #define AU6601_DETECT_STATUS 0x76 #define AU6601_DETECT_EN BIT(7) #define AU6601_MS_DETECTED BIT(3) #define AU6601_SD_DETECTED BIT(0) #define AU6601_DETECT_STATUS_M 0xf #define AU6601_REG_SW_RESET 0x79 #define AU6601_BUF_CTRL_RESET BIT(7) #define AU6601_RESET_DATA BIT(3) #define AU6601_RESET_CMD BIT(0) #define AU6601_OUTPUT_ENABLE 0x7a #define AU6601_PAD_DRIVE0 0x7b #define AU6601_PAD_DRIVE1 0x7c #define AU6601_PAD_DRIVE2 0x7d /* read EEPROM? */ #define AU6601_FUNCTION 0x7f #define AU6601_CMD_XFER_CTRL 0x81 #define AU6601_CMD_17_BYTE_CRC 0xc0 #define AU6601_CMD_6_BYTE_WO_CRC 0x80 #define AU6601_CMD_6_BYTE_CRC 0x40 #define AU6601_CMD_START_XFER 0x20 #define AU6601_CMD_STOP_WAIT_RDY 0x10 #define AU6601_CMD_NO_RESP 0x00 #define AU6601_REG_BUS_CTRL 0x82 #define AU6601_BUS_WIDTH_4BIT 0x20 #define AU6601_BUS_WIDTH_8BIT 0x10 #define AU6601_BUS_WIDTH_1BIT 0x00 #define AU6601_DATA_XFER_CTRL 0x83 #define AU6601_DATA_WRITE BIT(7) #define AU6601_DATA_DMA_MODE BIT(6) #define AU6601_DATA_START_XFER BIT(0) #define AU6601_DATA_PIN_STATE 0x84 #define AU6601_BUS_STAT_CMD BIT(15) /* BIT(4) - BIT(7) are permanently 1. * May be reserved or not attached DAT4-DAT7 */ #define AU6601_BUS_STAT_DAT3 BIT(3) #define AU6601_BUS_STAT_DAT2 BIT(2) #define AU6601_BUS_STAT_DAT1 BIT(1) #define AU6601_BUS_STAT_DAT0 BIT(0) #define AU6601_BUS_STAT_DAT_MASK 0xf #define AU6601_OPT 0x85 #define AU6601_OPT_CMD_LINE_LEVEL 0x80 #define AU6601_OPT_NCRC_16_CLK BIT(4) #define AU6601_OPT_CMD_NWT BIT(3) #define AU6601_OPT_STOP_CLK BIT(2) #define AU6601_OPT_DDR_MODE BIT(1) #define AU6601_OPT_SD_18V BIT(0) #define AU6601_CLK_DELAY 0x86 #define AU6601_CLK_DATA_POSITIVE_EDGE 0x80 #define AU6601_CLK_CMD_POSITIVE_EDGE 0x40 #define AU6601_CLK_POSITIVE_EDGE_ALL (AU6601_CLK_CMD_POSITIVE_EDGE \ | AU6601_CLK_DATA_POSITIVE_EDGE) #define AU6601_REG_INT_STATUS 0x90 #define AU6601_REG_INT_ENABLE 0x94 #define AU6601_INT_DATA_END_BIT_ERR BIT(22) #define AU6601_INT_DATA_CRC_ERR BIT(21) #define AU6601_INT_DATA_TIMEOUT_ERR BIT(20) #define AU6601_INT_CMD_INDEX_ERR BIT(19) #define AU6601_INT_CMD_END_BIT_ERR BIT(18) #define AU6601_INT_CMD_CRC_ERR BIT(17) #define AU6601_INT_CMD_TIMEOUT_ERR BIT(16) #define AU6601_INT_ERROR BIT(15) #define AU6601_INT_OVER_CURRENT_ERR BIT(8) #define AU6601_INT_CARD_INSERT BIT(7) #define AU6601_INT_CARD_REMOVE BIT(6) #define AU6601_INT_READ_BUF_RDY BIT(5) #define AU6601_INT_WRITE_BUF_RDY BIT(4) #define AU6601_INT_DMA_END BIT(3) #define AU6601_INT_DATA_END BIT(1) #define AU6601_INT_CMD_END BIT(0) #define AU6601_INT_NORMAL_MASK 0x00007FFF #define AU6601_INT_ERROR_MASK 0xFFFF8000 #define AU6601_INT_CMD_MASK (AU6601_INT_CMD_END | \ AU6601_INT_CMD_TIMEOUT_ERR | AU6601_INT_CMD_CRC_ERR | \ AU6601_INT_CMD_END_BIT_ERR | AU6601_INT_CMD_INDEX_ERR) #define AU6601_INT_DATA_MASK (AU6601_INT_DATA_END | AU6601_INT_DMA_END | \ AU6601_INT_READ_BUF_RDY | AU6601_INT_WRITE_BUF_RDY | \ AU6601_INT_DATA_TIMEOUT_ERR | AU6601_INT_DATA_CRC_ERR | \ AU6601_INT_DATA_END_BIT_ERR) #define AU6601_INT_ALL_MASK ((u32)-1) /* MS_CARD mode registers */ #define AU6601_MS_STATUS 0xa0 #define AU6601_MS_BUS_MODE_CTRL 0xa1 #define AU6601_MS_BUS_8BIT_MODE 0x03 #define AU6601_MS_BUS_4BIT_MODE 0x01 #define AU6601_MS_BUS_1BIT_MODE 0x00 #define AU6601_MS_TPC_CMD 0xa2 #define AU6601_MS_TPC_READ_PAGE_DATA 0x02 #define AU6601_MS_TPC_READ_REG 0x04 #define AU6601_MS_TPC_GET_INT 0x07 #define AU6601_MS_TPC_WRITE_PAGE_DATA 0x0D #define AU6601_MS_TPC_WRITE_REG 0x0B #define AU6601_MS_TPC_SET_RW_REG_ADRS 0x08 #define AU6601_MS_TPC_SET_CMD 0x0E #define AU6601_MS_TPC_EX_SET_CMD 0x09 #define AU6601_MS_TPC_READ_SHORT_DATA 0x03 #define AU6601_MS_TPC_WRITE_SHORT_DATA 0x0C #define AU6601_MS_TRANSFER_MODE 0xa3 #define AU6601_MS_XFER_INT_TIMEOUT_CHK BIT(2) #define AU6601_MS_XFER_DMA_ENABLE BIT(1) #define AU6601_MS_XFER_START BIT(0) #define AU6601_MS_DATA_PIN_STATE 0xa4 #define AU6601_MS_INT_STATUS 0xb0 #define AU6601_MS_INT_ENABLE 0xb4 #define AU6601_MS_INT_OVER_CURRENT_ERROR BIT(23) #define AU6601_MS_INT_DATA_CRC_ERROR BIT(21) #define AU6601_MS_INT_INT_TIMEOUT BIT(20) #define AU6601_MS_INT_INT_RESP_ERROR BIT(19) #define AU6601_MS_INT_CED_ERROR BIT(18) #define AU6601_MS_INT_TPC_TIMEOUT BIT(16) #define AU6601_MS_INT_ERROR BIT(15) #define AU6601_MS_INT_CARD_INSERT BIT(7) #define AU6601_MS_INT_CARD_REMOVE BIT(6) #define AU6601_MS_INT_BUF_READ_RDY BIT(5) #define AU6601_MS_INT_BUF_WRITE_RDY BIT(4) #define AU6601_MS_INT_DMA_END BIT(3) #define AU6601_MS_INT_TPC_END BIT(1) #define AU6601_MS_INT_DATA_MASK 0x00000038 #define AU6601_MS_INT_TPC_MASK 0x003d8002 #define AU6601_MS_INT_TPC_ERROR 0x003d0000 #define ALCOR_PCIE_LINK_CTRL_OFFSET 0x10 #define ALCOR_PCIE_LINK_CAP_OFFSET 0x0c #define ALCOR_CAP_START_OFFSET 0x34 struct alcor_dev_cfg { u8 dma; }; struct alcor_pci_priv { struct pci_dev *pdev; struct pci_dev *parent_pdev; struct device *dev; void __iomem *iobase; unsigned int irq; unsigned long id; /* idr id */ struct alcor_dev_cfg *cfg; /* PCI ASPM related vars */ int pdev_cap_off; u8 pdev_aspm_cap; int parent_cap_off; u8 parent_aspm_cap; u8 ext_config_dev_aspm; }; void alcor_write8(struct alcor_pci_priv *priv, u8 val, unsigned int addr); void alcor_write16(struct alcor_pci_priv *priv, u16 val, unsigned int addr); void alcor_write32(struct alcor_pci_priv *priv, u32 val, unsigned int addr); void alcor_write32be(struct alcor_pci_priv *priv, u32 val, unsigned int addr); u8 alcor_read8(struct alcor_pci_priv *priv, unsigned int addr); u32 alcor_read32(struct alcor_pci_priv *priv, unsigned int addr); u32 alcor_read32be(struct alcor_pci_priv *priv, unsigned int addr); #endif