2 * (C) Copyright 2012 SAMSUNG Electronics
3 * Jaehoon Chung <jh80.chung@samsung.com>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #define DWMCI_CTRL 0x000
28 #define DWMCI_PWREN 0x004
29 #define DWMCI_CLKDIV 0x008
30 #define DWMCI_CLKSRC 0x00C
31 #define DWMCI_CLKENA 0x010
32 #define DWMCI_TMOUT 0x014
33 #define DWMCI_CTYPE 0x018
34 #define DWMCI_BLKSIZ 0x01C
35 #define DWMCI_BYTCNT 0x020
36 #define DWMCI_INTMASK 0x024
37 #define DWMCI_CMDARG 0x028
38 #define DWMCI_CMD 0x02C
39 #define DWMCI_RESP0 0x030
40 #define DWMCI_RESP1 0x034
41 #define DWMCI_RESP2 0x038
42 #define DWMCI_RESP3 0x03C
43 #define DWMCI_MINTSTS 0x040
44 #define DWMCI_RINTSTS 0x044
45 #define DWMCI_STATUS 0x048
46 #define DWMCI_FIFOTH 0x04C
47 #define DWMCI_CDETECT 0x050
48 #define DWMCI_WRTPRT 0x054
49 #define DWMCI_GPIO 0x058
50 #define DWMCI_TCMCNT 0x05C
51 #define DWMCI_TBBCNT 0x060
52 #define DWMCI_DEBNCE 0x064
53 #define DWMCI_USRID 0x068
54 #define DWMCI_VERID 0x06C
55 #define DWMCI_HCON 0x070
56 #define DWMCI_UHS_REG 0x074
57 #define DWMCI_BMOD 0x080
58 #define DWMCI_PLDMND 0x084
59 #define DWMCI_DBADDR 0x088
60 #define DWMCI_IDSTS 0x08C
61 #define DWMCI_IDINTEN 0x090
62 #define DWMCI_DSCADDR 0x094
63 #define DWMCI_BUFADDR 0x098
64 #define DWMCI_DATA 0x200
66 /* Interrupt Mask register */
67 #define DWMCI_INTMSK_ALL 0xffffffff
68 #define DWMCI_INTMSK_RE (1 << 1)
69 #define DWMCI_INTMSK_CDONE (1 << 2)
70 #define DWMCI_INTMSK_DTO (1 << 3)
71 #define DWMCI_INTMSK_TXDR (1 << 4)
72 #define DWMCI_INTMSK_RXDR (1 << 5)
73 #define DWMCI_INTMSK_DCRC (1 << 7)
74 #define DWMCI_INTMSK_RTO (1 << 8)
75 #define DWMCI_INTMSK_DRTO (1 << 9)
76 #define DWMCI_INTMSK_HTO (1 << 10)
77 #define DWMCI_INTMSK_FRUN (1 << 11)
78 #define DWMCI_INTMSK_HLE (1 << 12)
79 #define DWMCI_INTMSK_SBE (1 << 13)
80 #define DWMCI_INTMSK_ACD (1 << 14)
81 #define DWMCI_INTMSK_EBE (1 << 15)
83 /* Raw interrupt Regsiter */
84 #define DWMCI_DATA_ERR (DWMCI_INTMSK_EBE | DWMCI_INTMSK_SBE | DWMCI_INTMSK_HLE |\
85 DWMCI_INTMSK_FRUN | DWMCI_INTMSK_EBE | DWMCI_INTMSK_DCRC)
86 #define DWMCI_DATA_TOUT (DWMCI_INTMSK_HTO | DWMCI_INTMSK_DRTO)
88 #define DWMCI_CTRL_RESET (1 << 0)
89 #define DWMCI_CTRL_FIFO_RESET (1 << 1)
90 #define DWMCI_CTRL_DMA_RESET (1 << 2)
91 #define DWMCI_DMA_EN (1 << 5)
92 #define DWMCI_CTRL_SEND_AS_CCSD (1 << 10)
93 #define DWMCI_IDMAC_EN (1 << 25)
94 #define DWMCI_RESET_ALL (DWMCI_CTRL_RESET | DWMCI_CTRL_FIFO_RESET |\
98 #define DWMCI_CMD_RESP_EXP (1 << 6)
99 #define DWMCI_CMD_RESP_LENGTH (1 << 7)
100 #define DWMCI_CMD_CHECK_CRC (1 << 8)
101 #define DWMCI_CMD_DATA_EXP (1 << 9)
102 #define DWMCI_CMD_RW (1 << 10)
103 #define DWMCI_CMD_SEND_STOP (1 << 12)
104 #define DWMCI_CMD_ABORT_STOP (1 << 14)
105 #define DWMCI_CMD_PRV_DAT_WAIT (1 << 13)
106 #define DWMCI_CMD_UPD_CLK (1 << 21)
107 #define DWMCI_CMD_USE_HOLD_REG (1 << 29)
108 #define DWMCI_CMD_START (1 << 31)
110 /* CLKENA register */
111 #define DWMCI_CLKEN_ENABLE (1 << 0)
112 #define DWMCI_CLKEN_LOW_PWR (1 << 16)
114 /* Card-type registe */
115 #define DWMCI_CTYPE_1BIT 0
116 #define DWMCI_CTYPE_4BIT (1 << 0)
117 #define DWMCI_CTYPE_8BIT (1 << 16)
119 /* Status Register */
120 #define DWMCI_BUSY (1 << 9)
122 /* FIFOTH Register */
123 #define MSIZE(x) ((x) << 28)
124 #define RX_WMARK(x) ((x) << 16)
125 #define TX_WMARK(x) (x)
126 #define RX_WMARK_SHIFT 16
127 #define RX_WMARK_MASK (0xfff << RX_WMARK_SHIFT)
129 #define DWMCI_IDMAC_OWN (1 << 31)
130 #define DWMCI_IDMAC_CH (1 << 4)
131 #define DWMCI_IDMAC_FS (1 << 3)
132 #define DWMCI_IDMAC_LD (1 << 2)
134 /* Bus Mode Register */
135 #define DWMCI_BMOD_IDMAC_RESET (1 << 0)
136 #define DWMCI_BMOD_IDMAC_FB (1 << 1)
137 #define DWMCI_BMOD_IDMAC_EN (1 << 7)
144 unsigned int version;
153 void (*clksel)(struct dwmci_host *host);
154 unsigned int (*mmc_clk)(int dev_index);
164 static inline void dwmci_writel(struct dwmci_host *host, int reg, u32 val)
166 writel(val, host->ioaddr + reg);
169 static inline void dwmci_writew(struct dwmci_host *host, int reg, u16 val)
171 writew(val, host->ioaddr + reg);
174 static inline void dwmci_writeb(struct dwmci_host *host, int reg, u8 val)
176 writeb(val, host->ioaddr + reg);
178 static inline u32 dwmci_readl(struct dwmci_host *host, int reg)
180 return readl(host->ioaddr + reg);
183 static inline u16 dwmci_readw(struct dwmci_host *host, int reg)
185 return readw(host->ioaddr + reg);
188 static inline u8 dwmci_readb(struct dwmci_host *host, int reg)
190 return readb(host->ioaddr + reg);
193 int add_dwmci(struct dwmci_host *host, u32 max_clk, u32 min_clk);
194 #endif /* __DWMMC_HW_H */