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7d2be074 HS |
1 | /* |
2 | * Atmel MultiMedia Card Interface driver | |
3 | * | |
4 | * Copyright (C) 2004-2006 Atmel Corporation | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | #ifndef __DRIVERS_MMC_ATMEL_MCI_H__ | |
11 | #define __DRIVERS_MMC_ATMEL_MCI_H__ | |
12 | ||
13 | /* MCI Register Definitions */ | |
14 | #define MCI_CR 0x0000 /* Control */ | |
15 | # define MCI_CR_MCIEN ( 1 << 0) /* MCI Enable */ | |
16 | # define MCI_CR_MCIDIS ( 1 << 1) /* MCI Disable */ | |
17 | # define MCI_CR_SWRST ( 1 << 7) /* Software Reset */ | |
18 | #define MCI_MR 0x0004 /* Mode */ | |
19 | # define MCI_MR_CLKDIV(x) ((x) << 0) /* Clock Divider */ | |
20 | # define MCI_MR_RDPROOF ( 1 << 11) /* Read Proof */ | |
21 | # define MCI_MR_WRPROOF ( 1 << 12) /* Write Proof */ | |
22 | #define MCI_DTOR 0x0008 /* Data Timeout */ | |
23 | # define MCI_DTOCYC(x) ((x) << 0) /* Data Timeout Cycles */ | |
24 | # define MCI_DTOMUL(x) ((x) << 4) /* Data Timeout Multiplier */ | |
25 | #define MCI_SDCR 0x000c /* SD Card / SDIO */ | |
26 | # define MCI_SDCSEL_SLOT_A ( 0 << 0) /* Select SD slot A */ | |
27 | # define MCI_SDCSEL_SLOT_B ( 1 << 0) /* Select SD slot A */ | |
28 | # define MCI_SDCBUS_1BIT ( 0 << 7) /* 1-bit data bus */ | |
29 | # define MCI_SDCBUS_4BIT ( 1 << 7) /* 4-bit data bus */ | |
30 | #define MCI_ARGR 0x0010 /* Command Argument */ | |
31 | #define MCI_CMDR 0x0014 /* Command */ | |
32 | # define MCI_CMDR_CMDNB(x) ((x) << 0) /* Command Opcode */ | |
33 | # define MCI_CMDR_RSPTYP_NONE ( 0 << 6) /* No response */ | |
34 | # define MCI_CMDR_RSPTYP_48BIT ( 1 << 6) /* 48-bit response */ | |
35 | # define MCI_CMDR_RSPTYP_136BIT ( 2 << 6) /* 136-bit response */ | |
36 | # define MCI_CMDR_SPCMD_INIT ( 1 << 8) /* Initialization command */ | |
37 | # define MCI_CMDR_SPCMD_SYNC ( 2 << 8) /* Synchronized command */ | |
38 | # define MCI_CMDR_SPCMD_INT ( 4 << 8) /* Interrupt command */ | |
39 | # define MCI_CMDR_SPCMD_INTRESP ( 5 << 8) /* Interrupt response */ | |
40 | # define MCI_CMDR_OPDCMD ( 1 << 11) /* Open Drain */ | |
41 | # define MCI_CMDR_MAXLAT_5CYC ( 0 << 12) /* Max latency 5 cycles */ | |
42 | # define MCI_CMDR_MAXLAT_64CYC ( 1 << 12) /* Max latency 64 cycles */ | |
43 | # define MCI_CMDR_START_XFER ( 1 << 16) /* Start data transfer */ | |
44 | # define MCI_CMDR_STOP_XFER ( 2 << 16) /* Stop data transfer */ | |
45 | # define MCI_CMDR_TRDIR_WRITE ( 0 << 18) /* Write data */ | |
46 | # define MCI_CMDR_TRDIR_READ ( 1 << 18) /* Read data */ | |
47 | # define MCI_CMDR_BLOCK ( 0 << 19) /* Single-block transfer */ | |
48 | # define MCI_CMDR_MULTI_BLOCK ( 1 << 19) /* Multi-block transfer */ | |
49 | # define MCI_CMDR_STREAM ( 2 << 19) /* MMC Stream transfer */ | |
50 | # define MCI_CMDR_SDIO_BYTE ( 4 << 19) /* SDIO Byte transfer */ | |
51 | # define MCI_CMDR_SDIO_BLOCK ( 5 << 19) /* SDIO Block transfer */ | |
52 | # define MCI_CMDR_SDIO_SUSPEND ( 1 << 24) /* SDIO Suspend Command */ | |
53 | # define MCI_CMDR_SDIO_RESUME ( 2 << 24) /* SDIO Resume Command */ | |
54 | #define MCI_BLKR 0x0018 /* Block */ | |
55 | # define MCI_BCNT(x) ((x) << 0) /* Data Block Count */ | |
56 | # define MCI_BLKLEN(x) ((x) << 16) /* Data Block Length */ | |
57 | #define MCI_RSPR 0x0020 /* Response 0 */ | |
58 | #define MCI_RSPR1 0x0024 /* Response 1 */ | |
59 | #define MCI_RSPR2 0x0028 /* Response 2 */ | |
60 | #define MCI_RSPR3 0x002c /* Response 3 */ | |
61 | #define MCI_RDR 0x0030 /* Receive Data */ | |
62 | #define MCI_TDR 0x0034 /* Transmit Data */ | |
63 | #define MCI_SR 0x0040 /* Status */ | |
64 | #define MCI_IER 0x0044 /* Interrupt Enable */ | |
65 | #define MCI_IDR 0x0048 /* Interrupt Disable */ | |
66 | #define MCI_IMR 0x004c /* Interrupt Mask */ | |
67 | # define MCI_CMDRDY ( 1 << 0) /* Command Ready */ | |
68 | # define MCI_RXRDY ( 1 << 1) /* Receiver Ready */ | |
69 | # define MCI_TXRDY ( 1 << 2) /* Transmitter Ready */ | |
70 | # define MCI_BLKE ( 1 << 3) /* Data Block Ended */ | |
71 | # define MCI_DTIP ( 1 << 4) /* Data Transfer In Progress */ | |
72 | # define MCI_NOTBUSY ( 1 << 5) /* Data Not Busy */ | |
73 | # define MCI_SDIOIRQA ( 1 << 8) /* SDIO IRQ in slot A */ | |
74 | # define MCI_SDIOIRQB ( 1 << 9) /* SDIO IRQ in slot B */ | |
75 | # define MCI_RINDE ( 1 << 16) /* Response Index Error */ | |
76 | # define MCI_RDIRE ( 1 << 17) /* Response Direction Error */ | |
77 | # define MCI_RCRCE ( 1 << 18) /* Response CRC Error */ | |
78 | # define MCI_RENDE ( 1 << 19) /* Response End Bit Error */ | |
79 | # define MCI_RTOE ( 1 << 20) /* Response Time-Out Error */ | |
80 | # define MCI_DCRCE ( 1 << 21) /* Data CRC Error */ | |
81 | # define MCI_DTOE ( 1 << 22) /* Data Time-Out Error */ | |
82 | # define MCI_OVRE ( 1 << 30) /* RX Overrun Error */ | |
83 | # define MCI_UNRE ( 1 << 31) /* TX Underrun Error */ | |
84 | ||
85 | /* Register access macros */ | |
86 | #define mci_readl(port,reg) \ | |
87 | __raw_readl((port)->regs + MCI_##reg) | |
88 | #define mci_writel(port,reg,value) \ | |
89 | __raw_writel((value), (port)->regs + MCI_##reg) | |
90 | ||
91 | #endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */ |