1#ifndef BCM63XX_DEV_SPI_H
2#define BCM63XX_DEV_SPI_H
3
4#include <linux/types.h>
5#include <bcm63xx_io.h>
6#include <bcm63xx_regs.h>
7
8int __init bcm63xx_spi_register(void);
9
10struct bcm63xx_spi_pdata {
11 unsigned int fifo_size;
12 unsigned int msg_type_shift;
13 unsigned int msg_ctl_width;
14 int bus_num;
15 int num_chipselect;
16 u32 speed_hz;
17};
18
19enum bcm63xx_regs_spi {
20 SPI_CMD,
21 SPI_INT_STATUS,
22 SPI_INT_MASK_ST,
23 SPI_INT_MASK,
24 SPI_ST,
25 SPI_CLK_CFG,
26 SPI_FILL_BYTE,
27 SPI_MSG_TAIL,
28 SPI_RX_TAIL,
29 SPI_MSG_CTL,
30 SPI_MSG_DATA,
31 SPI_RX_DATA,
32};
33
34#define __GEN_SPI_RSET_BASE(__cpu, __rset) \
35 case SPI_## __rset: \
36 return SPI_## __cpu ##_## __rset;
37
38#define __GEN_SPI_RSET(__cpu) \
39 switch (reg) { \
40 __GEN_SPI_RSET_BASE(__cpu, CMD) \
41 __GEN_SPI_RSET_BASE(__cpu, INT_STATUS) \
42 __GEN_SPI_RSET_BASE(__cpu, INT_MASK_ST) \
43 __GEN_SPI_RSET_BASE(__cpu, INT_MASK) \
44 __GEN_SPI_RSET_BASE(__cpu, ST) \
45 __GEN_SPI_RSET_BASE(__cpu, CLK_CFG) \
46 __GEN_SPI_RSET_BASE(__cpu, FILL_BYTE) \
47 __GEN_SPI_RSET_BASE(__cpu, MSG_TAIL) \
48 __GEN_SPI_RSET_BASE(__cpu, RX_TAIL) \
49 __GEN_SPI_RSET_BASE(__cpu, MSG_CTL) \
50 __GEN_SPI_RSET_BASE(__cpu, MSG_DATA) \
51 __GEN_SPI_RSET_BASE(__cpu, RX_DATA) \
52 }
53
54#define __GEN_SPI_REGS_TABLE(__cpu) \
55 [SPI_CMD] = SPI_## __cpu ##_CMD, \
56 [SPI_INT_STATUS] = SPI_## __cpu ##_INT_STATUS, \
57 [SPI_INT_MASK_ST] = SPI_## __cpu ##_INT_MASK_ST, \
58 [SPI_INT_MASK] = SPI_## __cpu ##_INT_MASK, \
59 [SPI_ST] = SPI_## __cpu ##_ST, \
60 [SPI_CLK_CFG] = SPI_## __cpu ##_CLK_CFG, \
61 [SPI_FILL_BYTE] = SPI_## __cpu ##_FILL_BYTE, \
62 [SPI_MSG_TAIL] = SPI_## __cpu ##_MSG_TAIL, \
63 [SPI_RX_TAIL] = SPI_## __cpu ##_RX_TAIL, \
64 [SPI_MSG_CTL] = SPI_## __cpu ##_MSG_CTL, \
65 [SPI_MSG_DATA] = SPI_## __cpu ##_MSG_DATA, \
66 [SPI_RX_DATA] = SPI_## __cpu ##_RX_DATA,
67
68static inline unsigned long bcm63xx_spireg(enum bcm63xx_regs_spi reg)
69{
70#ifdef BCMCPU_RUNTIME_DETECT
71 extern const unsigned long *bcm63xx_regs_spi;
72
73 return bcm63xx_regs_spi[reg];
74#else
75#ifdef CONFIG_BCM63XX_CPU_6338
76 __GEN_SPI_RSET(6338)
77#endif
78#ifdef CONFIG_BCM63XX_CPU_6348
79 __GEN_SPI_RSET(6348)
80#endif
81#ifdef CONFIG_BCM63XX_CPU_6358
82 __GEN_SPI_RSET(6358)
83#endif
84#ifdef CONFIG_BCM63XX_CPU_6368
85 __GEN_SPI_RSET(6368)
86#endif
87#endif
88 return 0;
89}
90
91#endif
92