14f556bc0SOleksij Rempel /* SPDX-License-Identifier: GPL-2.0+ */ 24f556bc0SOleksij Rempel /* 34f556bc0SOleksij Rempel * Copyright (C) 2018 Oleksij Rempel <linux@rempel-privat.de> 44f556bc0SOleksij Rempel * 54f556bc0SOleksij Rempel * Driver for Alcor Micro AU6601 and AU6621 controllers 64f556bc0SOleksij Rempel */ 74f556bc0SOleksij Rempel 84f556bc0SOleksij Rempel #ifndef __ALCOR_PCI_H 94f556bc0SOleksij Rempel #define __ALCOR_PCI_H 104f556bc0SOleksij Rempel 114f556bc0SOleksij Rempel #define ALCOR_SD_CARD 0 124f556bc0SOleksij Rempel #define ALCOR_MS_CARD 1 134f556bc0SOleksij Rempel 144f556bc0SOleksij Rempel #define DRV_NAME_ALCOR_PCI_SDMMC "alcor_sdmmc" 154f556bc0SOleksij Rempel #define DRV_NAME_ALCOR_PCI_MS "alcor_ms" 164f556bc0SOleksij Rempel 174f556bc0SOleksij Rempel #define PCI_ID_ALCOR_MICRO 0x1AEA 184f556bc0SOleksij Rempel #define PCI_ID_AU6601 0x6601 194f556bc0SOleksij Rempel #define PCI_ID_AU6621 0x6621 20444972b2SRhys Perry #define PCI_ID_AU6625 0x6625 214f556bc0SOleksij Rempel 224f556bc0SOleksij Rempel #define MHZ_TO_HZ(freq) ((freq) * 1000 * 1000) 234f556bc0SOleksij Rempel 244f556bc0SOleksij Rempel #define AU6601_BASE_CLOCK 31000000 254f556bc0SOleksij Rempel #define AU6601_MIN_CLOCK 150000 264f556bc0SOleksij Rempel #define AU6601_MAX_CLOCK 208000000 27c671b6deSDaniel Drake #define AU6601_MAX_DMA_SEGMENTS 64 284f556bc0SOleksij Rempel #define AU6601_MAX_PIO_SEGMENTS 1 294f556bc0SOleksij Rempel #define AU6601_MAX_DMA_BLOCK_SIZE 0x1000 304f556bc0SOleksij Rempel #define AU6601_MAX_PIO_BLOCK_SIZE 0x200 314f556bc0SOleksij Rempel #define AU6601_MAX_DMA_BLOCKS 1 324f556bc0SOleksij Rempel #define AU6601_DMA_LOCAL_SEGMENTS 1 334f556bc0SOleksij Rempel 344f556bc0SOleksij Rempel /* registers spotter by reverse engineering but still 354f556bc0SOleksij Rempel * with unknown functionality: 364f556bc0SOleksij Rempel * 0x10 - ADMA phy address. AU6621 only? 374f556bc0SOleksij Rempel * 0x51 - LED ctrl? 384f556bc0SOleksij Rempel * 0x52 - unknown 394f556bc0SOleksij Rempel * 0x61 - LED related? Always toggled BIT0 404f556bc0SOleksij Rempel * 0x63 - Same as 0x61? 414f556bc0SOleksij Rempel * 0x77 - unknown 424f556bc0SOleksij Rempel */ 434f556bc0SOleksij Rempel 444f556bc0SOleksij Rempel /* SDMA phy address. Higher then 0x0800.0000? 454f556bc0SOleksij Rempel * The au6601 and au6621 have different DMA engines with different issues. One 464f556bc0SOleksij Rempel * For example au6621 engine is triggered by addr change. No other interaction 474f556bc0SOleksij Rempel * is needed. This means, if we get two buffers with same address, then engine 484f556bc0SOleksij Rempel * will stall. 494f556bc0SOleksij Rempel */ 504f556bc0SOleksij Rempel #define AU6601_REG_SDMA_ADDR 0x00 514f556bc0SOleksij Rempel #define AU6601_SDMA_MASK 0xffffffff 524f556bc0SOleksij Rempel 534f556bc0SOleksij Rempel #define AU6601_DMA_BOUNDARY 0x05 544f556bc0SOleksij Rempel #define AU6621_DMA_PAGE_CNT 0x05 554f556bc0SOleksij Rempel /* PIO */ 564f556bc0SOleksij Rempel #define AU6601_REG_BUFFER 0x08 574f556bc0SOleksij Rempel /* ADMA ctrl? AU6621 only. */ 584f556bc0SOleksij Rempel #define AU6621_DMA_CTRL 0x0c 594f556bc0SOleksij Rempel #define AU6621_DMA_ENABLE BIT(0) 604f556bc0SOleksij Rempel /* CMD index */ 614f556bc0SOleksij Rempel #define AU6601_REG_CMD_OPCODE 0x23 624f556bc0SOleksij Rempel /* CMD parametr */ 634f556bc0SOleksij Rempel #define AU6601_REG_CMD_ARG 0x24 644f556bc0SOleksij Rempel /* CMD response 4x4 Bytes */ 654f556bc0SOleksij Rempel #define AU6601_REG_CMD_RSP0 0x30 664f556bc0SOleksij Rempel #define AU6601_REG_CMD_RSP1 0x34 674f556bc0SOleksij Rempel #define AU6601_REG_CMD_RSP2 0x38 684f556bc0SOleksij Rempel #define AU6601_REG_CMD_RSP3 0x3C 694f556bc0SOleksij Rempel /* default timeout set to 125: 125 * 40ms = 5 sec 704f556bc0SOleksij Rempel * how exactly it is calculated? 714f556bc0SOleksij Rempel */ 724f556bc0SOleksij Rempel #define AU6601_TIME_OUT_CTRL 0x69 734f556bc0SOleksij Rempel /* Block size for SDMA or PIO */ 744f556bc0SOleksij Rempel #define AU6601_REG_BLOCK_SIZE 0x6c 754f556bc0SOleksij Rempel /* Some power related reg, used together with AU6601_OUTPUT_ENABLE */ 764f556bc0SOleksij Rempel #define AU6601_POWER_CONTROL 0x70 774f556bc0SOleksij Rempel 784f556bc0SOleksij Rempel /* PLL ctrl */ 794f556bc0SOleksij Rempel #define AU6601_CLK_SELECT 0x72 804f556bc0SOleksij Rempel #define AU6601_CLK_OVER_CLK 0x80 814f556bc0SOleksij Rempel #define AU6601_CLK_384_MHZ 0x30 824f556bc0SOleksij Rempel #define AU6601_CLK_125_MHZ 0x20 834f556bc0SOleksij Rempel #define AU6601_CLK_48_MHZ 0x10 844f556bc0SOleksij Rempel #define AU6601_CLK_EXT_PLL 0x04 854f556bc0SOleksij Rempel #define AU6601_CLK_X2_MODE 0x02 864f556bc0SOleksij Rempel #define AU6601_CLK_ENABLE 0x01 874f556bc0SOleksij Rempel #define AU6601_CLK_31_25_MHZ 0x00 884f556bc0SOleksij Rempel 894f556bc0SOleksij Rempel #define AU6601_CLK_DIVIDER 0x73 904f556bc0SOleksij Rempel 914f556bc0SOleksij Rempel #define AU6601_INTERFACE_MODE_CTRL 0x74 924f556bc0SOleksij Rempel #define AU6601_DLINK_MODE 0x80 934f556bc0SOleksij Rempel #define AU6601_INTERRUPT_DELAY_TIME 0x40 944f556bc0SOleksij Rempel #define AU6601_SIGNAL_REQ_CTRL 0x30 954f556bc0SOleksij Rempel #define AU6601_MS_CARD_WP BIT(3) 964f556bc0SOleksij Rempel #define AU6601_SD_CARD_WP BIT(0) 974f556bc0SOleksij Rempel 984f556bc0SOleksij Rempel /* same register values are used for: 994f556bc0SOleksij Rempel * - AU6601_OUTPUT_ENABLE 1004f556bc0SOleksij Rempel * - AU6601_POWER_CONTROL 1014f556bc0SOleksij Rempel */ 1024f556bc0SOleksij Rempel #define AU6601_ACTIVE_CTRL 0x75 1034f556bc0SOleksij Rempel #define AU6601_XD_CARD BIT(4) 1044f556bc0SOleksij Rempel /* AU6601_MS_CARD_ACTIVE - will cativate MS card section? */ 1054f556bc0SOleksij Rempel #define AU6601_MS_CARD BIT(3) 1064f556bc0SOleksij Rempel #define AU6601_SD_CARD BIT(0) 1074f556bc0SOleksij Rempel 1084f556bc0SOleksij Rempel /* card slot state. It should automatically detect type of 1094f556bc0SOleksij Rempel * the card 1104f556bc0SOleksij Rempel */ 1114f556bc0SOleksij Rempel #define AU6601_DETECT_STATUS 0x76 1124f556bc0SOleksij Rempel #define AU6601_DETECT_EN BIT(7) 1134f556bc0SOleksij Rempel #define AU6601_MS_DETECTED BIT(3) 1144f556bc0SOleksij Rempel #define AU6601_SD_DETECTED BIT(0) 1154f556bc0SOleksij Rempel #define AU6601_DETECT_STATUS_M 0xf 1164f556bc0SOleksij Rempel 1174f556bc0SOleksij Rempel #define AU6601_REG_SW_RESET 0x79 1184f556bc0SOleksij Rempel #define AU6601_BUF_CTRL_RESET BIT(7) 1194f556bc0SOleksij Rempel #define AU6601_RESET_DATA BIT(3) 1204f556bc0SOleksij Rempel #define AU6601_RESET_CMD BIT(0) 1214f556bc0SOleksij Rempel 1224f556bc0SOleksij Rempel #define AU6601_OUTPUT_ENABLE 0x7a 1234f556bc0SOleksij Rempel 1244f556bc0SOleksij Rempel #define AU6601_PAD_DRIVE0 0x7b 1254f556bc0SOleksij Rempel #define AU6601_PAD_DRIVE1 0x7c 1264f556bc0SOleksij Rempel #define AU6601_PAD_DRIVE2 0x7d 1274f556bc0SOleksij Rempel /* read EEPROM? */ 1284f556bc0SOleksij Rempel #define AU6601_FUNCTION 0x7f 1294f556bc0SOleksij Rempel 1304f556bc0SOleksij Rempel #define AU6601_CMD_XFER_CTRL 0x81 1314f556bc0SOleksij Rempel #define AU6601_CMD_17_BYTE_CRC 0xc0 1324f556bc0SOleksij Rempel #define AU6601_CMD_6_BYTE_WO_CRC 0x80 1334f556bc0SOleksij Rempel #define AU6601_CMD_6_BYTE_CRC 0x40 1344f556bc0SOleksij Rempel #define AU6601_CMD_START_XFER 0x20 1354f556bc0SOleksij Rempel #define AU6601_CMD_STOP_WAIT_RDY 0x10 1364f556bc0SOleksij Rempel #define AU6601_CMD_NO_RESP 0x00 1374f556bc0SOleksij Rempel 1384f556bc0SOleksij Rempel #define AU6601_REG_BUS_CTRL 0x82 1394f556bc0SOleksij Rempel #define AU6601_BUS_WIDTH_4BIT 0x20 1404f556bc0SOleksij Rempel #define AU6601_BUS_WIDTH_8BIT 0x10 1414f556bc0SOleksij Rempel #define AU6601_BUS_WIDTH_1BIT 0x00 1424f556bc0SOleksij Rempel 1434f556bc0SOleksij Rempel #define AU6601_DATA_XFER_CTRL 0x83 1444f556bc0SOleksij Rempel #define AU6601_DATA_WRITE BIT(7) 1454f556bc0SOleksij Rempel #define AU6601_DATA_DMA_MODE BIT(6) 1464f556bc0SOleksij Rempel #define AU6601_DATA_START_XFER BIT(0) 1474f556bc0SOleksij Rempel 1484f556bc0SOleksij Rempel #define AU6601_DATA_PIN_STATE 0x84 1494f556bc0SOleksij Rempel #define AU6601_BUS_STAT_CMD BIT(15) 1504f556bc0SOleksij Rempel /* BIT(4) - BIT(7) are permanently 1. 1514f556bc0SOleksij Rempel * May be reserved or not attached DAT4-DAT7 1524f556bc0SOleksij Rempel */ 1534f556bc0SOleksij Rempel #define AU6601_BUS_STAT_DAT3 BIT(3) 1544f556bc0SOleksij Rempel #define AU6601_BUS_STAT_DAT2 BIT(2) 1554f556bc0SOleksij Rempel #define AU6601_BUS_STAT_DAT1 BIT(1) 1564f556bc0SOleksij Rempel #define AU6601_BUS_STAT_DAT0 BIT(0) 1574f556bc0SOleksij Rempel #define AU6601_BUS_STAT_DAT_MASK 0xf 1584f556bc0SOleksij Rempel 1594f556bc0SOleksij Rempel #define AU6601_OPT 0x85 1604f556bc0SOleksij Rempel #define AU6601_OPT_CMD_LINE_LEVEL 0x80 1614f556bc0SOleksij Rempel #define AU6601_OPT_NCRC_16_CLK BIT(4) 1624f556bc0SOleksij Rempel #define AU6601_OPT_CMD_NWT BIT(3) 1634f556bc0SOleksij Rempel #define AU6601_OPT_STOP_CLK BIT(2) 1644f556bc0SOleksij Rempel #define AU6601_OPT_DDR_MODE BIT(1) 1654f556bc0SOleksij Rempel #define AU6601_OPT_SD_18V BIT(0) 1664f556bc0SOleksij Rempel 1674f556bc0SOleksij Rempel #define AU6601_CLK_DELAY 0x86 1684f556bc0SOleksij Rempel #define AU6601_CLK_DATA_POSITIVE_EDGE 0x80 1694f556bc0SOleksij Rempel #define AU6601_CLK_CMD_POSITIVE_EDGE 0x40 1704f556bc0SOleksij Rempel #define AU6601_CLK_POSITIVE_EDGE_ALL (AU6601_CLK_CMD_POSITIVE_EDGE \ 1714f556bc0SOleksij Rempel | AU6601_CLK_DATA_POSITIVE_EDGE) 1724f556bc0SOleksij Rempel 1734f556bc0SOleksij Rempel 1744f556bc0SOleksij Rempel #define AU6601_REG_INT_STATUS 0x90 1754f556bc0SOleksij Rempel #define AU6601_REG_INT_ENABLE 0x94 1764f556bc0SOleksij Rempel #define AU6601_INT_DATA_END_BIT_ERR BIT(22) 1774f556bc0SOleksij Rempel #define AU6601_INT_DATA_CRC_ERR BIT(21) 1784f556bc0SOleksij Rempel #define AU6601_INT_DATA_TIMEOUT_ERR BIT(20) 1794f556bc0SOleksij Rempel #define AU6601_INT_CMD_INDEX_ERR BIT(19) 1804f556bc0SOleksij Rempel #define AU6601_INT_CMD_END_BIT_ERR BIT(18) 1814f556bc0SOleksij Rempel #define AU6601_INT_CMD_CRC_ERR BIT(17) 1824f556bc0SOleksij Rempel #define AU6601_INT_CMD_TIMEOUT_ERR BIT(16) 1834f556bc0SOleksij Rempel #define AU6601_INT_ERROR BIT(15) 1844f556bc0SOleksij Rempel #define AU6601_INT_OVER_CURRENT_ERR BIT(8) 1854f556bc0SOleksij Rempel #define AU6601_INT_CARD_INSERT BIT(7) 1864f556bc0SOleksij Rempel #define AU6601_INT_CARD_REMOVE BIT(6) 1874f556bc0SOleksij Rempel #define AU6601_INT_READ_BUF_RDY BIT(5) 1884f556bc0SOleksij Rempel #define AU6601_INT_WRITE_BUF_RDY BIT(4) 1894f556bc0SOleksij Rempel #define AU6601_INT_DMA_END BIT(3) 1904f556bc0SOleksij Rempel #define AU6601_INT_DATA_END BIT(1) 1914f556bc0SOleksij Rempel #define AU6601_INT_CMD_END BIT(0) 1924f556bc0SOleksij Rempel 1934f556bc0SOleksij Rempel #define AU6601_INT_NORMAL_MASK 0x00007FFF 1944f556bc0SOleksij Rempel #define AU6601_INT_ERROR_MASK 0xFFFF8000 1954f556bc0SOleksij Rempel 1964f556bc0SOleksij Rempel #define AU6601_INT_CMD_MASK (AU6601_INT_CMD_END | \ 1974f556bc0SOleksij Rempel AU6601_INT_CMD_TIMEOUT_ERR | AU6601_INT_CMD_CRC_ERR | \ 1984f556bc0SOleksij Rempel AU6601_INT_CMD_END_BIT_ERR | AU6601_INT_CMD_INDEX_ERR) 1994f556bc0SOleksij Rempel #define AU6601_INT_DATA_MASK (AU6601_INT_DATA_END | AU6601_INT_DMA_END | \ 2004f556bc0SOleksij Rempel AU6601_INT_READ_BUF_RDY | AU6601_INT_WRITE_BUF_RDY | \ 2014f556bc0SOleksij Rempel AU6601_INT_DATA_TIMEOUT_ERR | AU6601_INT_DATA_CRC_ERR | \ 2024f556bc0SOleksij Rempel AU6601_INT_DATA_END_BIT_ERR) 2034f556bc0SOleksij Rempel #define AU6601_INT_ALL_MASK ((u32)-1) 2044f556bc0SOleksij Rempel 2054f556bc0SOleksij Rempel /* MS_CARD mode registers */ 2064f556bc0SOleksij Rempel 2074f556bc0SOleksij Rempel #define AU6601_MS_STATUS 0xa0 2084f556bc0SOleksij Rempel 2094f556bc0SOleksij Rempel #define AU6601_MS_BUS_MODE_CTRL 0xa1 2104f556bc0SOleksij Rempel #define AU6601_MS_BUS_8BIT_MODE 0x03 2114f556bc0SOleksij Rempel #define AU6601_MS_BUS_4BIT_MODE 0x01 2124f556bc0SOleksij Rempel #define AU6601_MS_BUS_1BIT_MODE 0x00 2134f556bc0SOleksij Rempel 2144f556bc0SOleksij Rempel #define AU6601_MS_TPC_CMD 0xa2 2154f556bc0SOleksij Rempel #define AU6601_MS_TPC_READ_PAGE_DATA 0x02 2164f556bc0SOleksij Rempel #define AU6601_MS_TPC_READ_REG 0x04 2174f556bc0SOleksij Rempel #define AU6601_MS_TPC_GET_INT 0x07 2184f556bc0SOleksij Rempel #define AU6601_MS_TPC_WRITE_PAGE_DATA 0x0D 2194f556bc0SOleksij Rempel #define AU6601_MS_TPC_WRITE_REG 0x0B 2204f556bc0SOleksij Rempel #define AU6601_MS_TPC_SET_RW_REG_ADRS 0x08 2214f556bc0SOleksij Rempel #define AU6601_MS_TPC_SET_CMD 0x0E 2224f556bc0SOleksij Rempel #define AU6601_MS_TPC_EX_SET_CMD 0x09 2234f556bc0SOleksij Rempel #define AU6601_MS_TPC_READ_SHORT_DATA 0x03 2244f556bc0SOleksij Rempel #define AU6601_MS_TPC_WRITE_SHORT_DATA 0x0C 2254f556bc0SOleksij Rempel 2264f556bc0SOleksij Rempel #define AU6601_MS_TRANSFER_MODE 0xa3 2274f556bc0SOleksij Rempel #define AU6601_MS_XFER_INT_TIMEOUT_CHK BIT(2) 2284f556bc0SOleksij Rempel #define AU6601_MS_XFER_DMA_ENABLE BIT(1) 2294f556bc0SOleksij Rempel #define AU6601_MS_XFER_START BIT(0) 2304f556bc0SOleksij Rempel 2314f556bc0SOleksij Rempel #define AU6601_MS_DATA_PIN_STATE 0xa4 2324f556bc0SOleksij Rempel 2334f556bc0SOleksij Rempel #define AU6601_MS_INT_STATUS 0xb0 2344f556bc0SOleksij Rempel #define AU6601_MS_INT_ENABLE 0xb4 2354f556bc0SOleksij Rempel #define AU6601_MS_INT_OVER_CURRENT_ERROR BIT(23) 2364f556bc0SOleksij Rempel #define AU6601_MS_INT_DATA_CRC_ERROR BIT(21) 2374f556bc0SOleksij Rempel #define AU6601_MS_INT_INT_TIMEOUT BIT(20) 2384f556bc0SOleksij Rempel #define AU6601_MS_INT_INT_RESP_ERROR BIT(19) 2394f556bc0SOleksij Rempel #define AU6601_MS_INT_CED_ERROR BIT(18) 2404f556bc0SOleksij Rempel #define AU6601_MS_INT_TPC_TIMEOUT BIT(16) 2414f556bc0SOleksij Rempel #define AU6601_MS_INT_ERROR BIT(15) 2424f556bc0SOleksij Rempel #define AU6601_MS_INT_CARD_INSERT BIT(7) 2434f556bc0SOleksij Rempel #define AU6601_MS_INT_CARD_REMOVE BIT(6) 2444f556bc0SOleksij Rempel #define AU6601_MS_INT_BUF_READ_RDY BIT(5) 2454f556bc0SOleksij Rempel #define AU6601_MS_INT_BUF_WRITE_RDY BIT(4) 2464f556bc0SOleksij Rempel #define AU6601_MS_INT_DMA_END BIT(3) 2474f556bc0SOleksij Rempel #define AU6601_MS_INT_TPC_END BIT(1) 2484f556bc0SOleksij Rempel 2494f556bc0SOleksij Rempel #define AU6601_MS_INT_DATA_MASK 0x00000038 2504f556bc0SOleksij Rempel #define AU6601_MS_INT_TPC_MASK 0x003d8002 2514f556bc0SOleksij Rempel #define AU6601_MS_INT_TPC_ERROR 0x003d0000 2524f556bc0SOleksij Rempel 2534f556bc0SOleksij Rempel #define ALCOR_PCIE_LINK_CTRL_OFFSET 0x10 2544f556bc0SOleksij Rempel #define ALCOR_PCIE_LINK_CAP_OFFSET 0x0c 2554f556bc0SOleksij Rempel #define ALCOR_CAP_START_OFFSET 0x34 2564f556bc0SOleksij Rempel 2574f556bc0SOleksij Rempel struct alcor_dev_cfg { 2584f556bc0SOleksij Rempel u8 dma; 2594f556bc0SOleksij Rempel }; 2604f556bc0SOleksij Rempel 2614f556bc0SOleksij Rempel struct alcor_pci_priv { 2624f556bc0SOleksij Rempel struct pci_dev *pdev; 2634f556bc0SOleksij Rempel struct pci_dev *parent_pdev; 2644f556bc0SOleksij Rempel struct device *dev; 2654f556bc0SOleksij Rempel void __iomem *iobase; 2664f556bc0SOleksij Rempel unsigned int irq; 2674f556bc0SOleksij Rempel 2684f556bc0SOleksij Rempel unsigned long id; /* idr id */ 2694f556bc0SOleksij Rempel 2704f556bc0SOleksij Rempel struct alcor_dev_cfg *cfg; 2714f556bc0SOleksij Rempel }; 2724f556bc0SOleksij Rempel 2734f556bc0SOleksij Rempel void alcor_write8(struct alcor_pci_priv *priv, u8 val, unsigned int addr); 2744f556bc0SOleksij Rempel void alcor_write16(struct alcor_pci_priv *priv, u16 val, unsigned int addr); 2754f556bc0SOleksij Rempel void alcor_write32(struct alcor_pci_priv *priv, u32 val, unsigned int addr); 2764f556bc0SOleksij Rempel void alcor_write32be(struct alcor_pci_priv *priv, u32 val, unsigned int addr); 2774f556bc0SOleksij Rempel u8 alcor_read8(struct alcor_pci_priv *priv, unsigned int addr); 2784f556bc0SOleksij Rempel u32 alcor_read32(struct alcor_pci_priv *priv, unsigned int addr); 2794f556bc0SOleksij Rempel u32 alcor_read32be(struct alcor_pci_priv *priv, unsigned int addr); 2804f556bc0SOleksij Rempel #endif 281