Linux Kernel  3.7.1
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regs-i2c.h
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1 /*
2  * PKUnity Inter-integrated Circuit (I2C) Registers
3  */
4 
5 /*
6  * Control Reg I2C_CON.
7  */
8 #define I2C_CON (PKUNITY_I2C_BASE + 0x0000)
9 /*
10  * Target Address Reg I2C_TAR.
11  */
12 #define I2C_TAR (PKUNITY_I2C_BASE + 0x0004)
13 /*
14  * Data buffer and command Reg I2C_DATACMD.
15  */
16 #define I2C_DATACMD (PKUNITY_I2C_BASE + 0x0010)
17 /*
18  * Enable Reg I2C_ENABLE.
19  */
20 #define I2C_ENABLE (PKUNITY_I2C_BASE + 0x006C)
21 /*
22  * Status Reg I2C_STATUS.
23  */
24 #define I2C_STATUS (PKUNITY_I2C_BASE + 0x0070)
25 /*
26  * Tx FIFO Length Reg I2C_TXFLR.
27  */
28 #define I2C_TXFLR (PKUNITY_I2C_BASE + 0x0074)
29 /*
30  * Rx FIFO Length Reg I2C_RXFLR.
31  */
32 #define I2C_RXFLR (PKUNITY_I2C_BASE + 0x0078)
33 /*
34  * Enable Status Reg I2C_ENSTATUS.
35  */
36 #define I2C_ENSTATUS (PKUNITY_I2C_BASE + 0x009C)
37 
38 #define I2C_CON_MASTER FIELD(1, 1, 0)
39 #define I2C_CON_SPEED_STD FIELD(1, 2, 1)
40 #define I2C_CON_SPEED_FAST FIELD(2, 2, 1)
41 #define I2C_CON_RESTART FIELD(1, 1, 5)
42 #define I2C_CON_SLAVEDISABLE FIELD(1, 1, 6)
43 
44 #define I2C_DATACMD_READ FIELD(1, 1, 8)
45 #define I2C_DATACMD_WRITE FIELD(0, 1, 8)
46 #define I2C_DATACMD_DAT_MASK FMASK(8, 0)
47 #define I2C_DATACMD_DAT(v) FIELD((v), 8, 0)
48 
49 #define I2C_ENABLE_ENABLE FIELD(1, 1, 0)
50 #define I2C_ENABLE_DISABLE FIELD(0, 1, 0)
51 
52 #define I2C_STATUS_RFF FIELD(1, 1, 4)
53 #define I2C_STATUS_RFNE FIELD(1, 1, 3)
54 #define I2C_STATUS_TFE FIELD(1, 1, 2)
55 #define I2C_STATUS_TFNF FIELD(1, 1, 1)
56 #define I2C_STATUS_ACTIVITY FIELD(1, 1, 0)
57 
58 #define I2C_ENSTATUS_ENABLE FIELD(1, 1, 0)
59 
60 #define I2C_TAR_THERMAL 0x4f
61 #define I2C_TAR_SPD 0x50
62 #define I2C_TAR_PWIC 0x55
63 #define I2C_TAR_EEPROM 0x57