1 #ifndef __ASM_ARCH_REGS_SSP_H
2 #define __ASM_ARCH_REGS_SSP_H
3
4 /*
5 * SSP Serial Port Registers
6 * PXA250, PXA255, PXA26x and PXA27x SSP controllers are all slightly different.
7 * PXA255, PXA26x and PXA27x have extra ports, registers and bits.
8 */
9
10 #define SSCR0 (0x00) /* SSP Control Register 0 */
11 #define SSCR1 (0x04) /* SSP Control Register 1 */
12 #define SSSR (0x08) /* SSP Status Register */
13 #define SSITR (0x0C) /* SSP Interrupt Test Register */
14 #define SSDR (0x10) /* SSP Data Write/Data Read Register */
15
16 #define SSTO (0x28) /* SSP Time Out Register */
17 #define SSPSP (0x2C) /* SSP Programmable Serial Protocol */
18 #define SSTSA (0x30) /* SSP Tx Timeslot Active */
19 #define SSRSA (0x34) /* SSP Rx Timeslot Active */
20 #define SSTSS (0x38) /* SSP Timeslot Status */
21 #define SSACD (0x3C) /* SSP Audio Clock Divider */
22
23 #if defined(CONFIG_PXA3xx)
24 #define SSACDD (0x40) /* SSP Audio Clock Dither Divider */
25 #endif
26
27 /* Common PXA2xx bits first */
28 #define SSCR0_DSS (0x0000000f) /* Data Size Select (mask) */
29 #define SSCR0_DataSize(x) ((x) - 1) /* Data Size Select [4..16] */
30 #define SSCR0_FRF (0x00000030) /* FRame Format (mask) */
31 #define SSCR0_Motorola (0x0 << 4) /* Motorola's Serial Peripheral Interface (SPI) */
32 #define SSCR0_TI (0x1 << 4) /* Texas Instruments' Synchronous Serial Protocol (SSP) */
33 #define SSCR0_National (0x2 << 4) /* National Microwire */
34 #define SSCR0_ECS (1 << 6) /* External clock select */
35 #define SSCR0_SSE (1 << 7) /* Synchronous Serial Port Enable */
36
37 #if defined(CONFIG_PXA25x)
38 #define SSCR0_SCR (0x0000ff00) /* Serial Clock Rate (mask) */
39 #define SSCR0_SerClkDiv(x) ((((x) - 2)/2) << 8) /* Divisor [2..512] */
40 #elif defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
41 #define SSCR0_SCR (0x000fff00) /* Serial Clock Rate (mask) */
42 #define SSCR0_SerClkDiv(x) (((x) - 1) << 8) /* Divisor [1..4096] */
43 #endif
44
45 #if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
46 #define SSCR0_EDSS (1 << 20) /* Extended data size select */
47 #define SSCR0_NCS (1 << 21) /* Network clock select */
48 #define SSCR0_RIM (1 << 22) /* Receive FIFO overrrun interrupt mask */
49 #define SSCR0_TUM (1 << 23) /* Transmit FIFO underrun interrupt mask */
50 #define SSCR0_FRDC (0x07000000) /* Frame rate divider control (mask) */
51 #define SSCR0_SlotsPerFrm(x) (((x) - 1) << 24) /* Time slots per frame [1..8] */
52 #define SSCR0_ACS (1 << 30) /* Audio clock select */
53 #define SSCR0_MOD (1 << 31) /* Mode (normal or network) */
54 #endif
55
56 #if defined(CONFIG_PXA3xx)
57 #define SSCR0_FPCKE (1 << 29) /* FIFO packing enable */
58 #endif
59
60 #define SSCR1_RIE (1 << 0) /* Receive FIFO Interrupt Enable */
61 #define SSCR1_TIE (1 << 1) /* Transmit FIFO Interrupt Enable */
62 #define SSCR1_LBM (1 << 2) /* Loop-Back Mode */
63 #define SSCR1_SPO (1 << 3) /* Motorola SPI SSPSCLK polarity setting */
64 #define SSCR1_SPH (1 << 4) /* Motorola SPI SSPSCLK phase setting */
65 #define SSCR1_MWDS (1 << 5) /* Microwire Transmit Data Size */
66 #define SSCR1_TFT (0x000003c0) /* Transmit FIFO Threshold (mask) */
67 #define SSCR1_TxTresh(x) (((x) - 1) << 6) /* level [1..16] */
68 #define SSCR1_RFT (0x00003c00) /* Receive FIFO Threshold (mask) */
69 #define SSCR1_RxTresh(x) (((x) - 1) << 10) /* level [1..16] */
70
71 #define SSSR_TNF (1 << 2) /* Transmit FIFO Not Full */
72 #define SSSR_RNE (1 << 3) /* Receive FIFO Not Empty */
73 #define SSSR_BSY (1 << 4) /* SSP Busy */
74 #define SSSR_TFS (1 << 5) /* Transmit FIFO Service Request */
75 #define SSSR_RFS (1 << 6) /* Receive FIFO Service Request */
76 #define SSSR_ROR (1 << 7) /* Receive FIFO Overrun */
77
78 #define SSCR0_TIM (1 << 23) /* Transmit FIFO Under Run Interrupt Mask */
79 #define SSCR0_RIM (1 << 22) /* Receive FIFO Over Run interrupt Mask */
80 #define SSCR0_NCS (1 << 21) /* Network Clock Select */
81 #define SSCR0_EDSS (1 << 20) /* Extended Data Size Select */
82
83 /* extra bits in PXA255, PXA26x and PXA27x SSP ports */
84 #define SSCR0_TISSP (1 << 4) /* TI Sync Serial Protocol */
85 #define SSCR0_PSP (3 << 4) /* PSP - Programmable Serial Protocol */
86 #define SSCR1_TTELP (1 << 31) /* TXD Tristate Enable Last Phase */
87 #define SSCR1_TTE (1 << 30) /* TXD Tristate Enable */
88 #define SSCR1_EBCEI (1 << 29) /* Enable Bit Count Error interrupt */
89 #define SSCR1_SCFR (1 << 28) /* Slave Clock free Running */
90 #define SSCR1_ECRA (1 << 27) /* Enable Clock Request A */
91 #define SSCR1_ECRB (1 << 26) /* Enable Clock request B */
92 #define SSCR1_SCLKDIR (1 << 25) /* Serial Bit Rate Clock Direction */
93 #define SSCR1_SFRMDIR (1 << 24) /* Frame Direction */
94 #define SSCR1_RWOT (1 << 23) /* Receive Without Transmit */
95 #define SSCR1_TRAIL (1 << 22) /* Trailing Byte */
96 #define SSCR1_TSRE (1 << 21) /* Transmit Service Request Enable */
97 #define SSCR1_RSRE (1 << 20) /* Receive Service Request Enable */
98 #define SSCR1_TINTE (1 << 19) /* Receiver Time-out Interrupt enable */
99 #define SSCR1_PINTE (1 << 18) /* Peripheral Trailing Byte Interupt Enable */
100 #define SSCR1_IFS (1 << 16) /* Invert Frame Signal */
101 #define SSCR1_STRF (1 << 15) /* Select FIFO or EFWR */
102 #define SSCR1_EFWR (1 << 14) /* Enable FIFO Write/Read */
103
104 #define SSSR_BCE (1 << 23) /* Bit Count Error */
105 #define SSSR_CSS (1 << 22) /* Clock Synchronisation Status */
106 #define SSSR_TUR (1 << 21) /* Transmit FIFO Under Run */
107 #define SSSR_EOC (1 << 20) /* End Of Chain */
108 #define SSSR_TINT (1 << 19) /* Receiver Time-out Interrupt */
109 #define SSSR_PINT (1 << 18) /* Peripheral Trailing Byte Interrupt */
110
111 #if defined(CONFIG_PXA3xx)
112 #define SSPSP_EDMYSTOP(x) ((x) << 28) /* Extended Dummy Stop */
113 #define SSPSP_EDMYSTRT(x) ((x) << 26) /* Extended Dummy Start */
114 #endif
115
116 #define SSPSP_FSRT (1 << 25) /* Frame Sync Relative Timing */
117 #define SSPSP_DMYSTOP(x) ((x) << 23) /* Dummy Stop */
118 #define SSPSP_SFRMWDTH(x) ((x) << 16) /* Serial Frame Width */
119 #define SSPSP_SFRMDLY(x) ((x) << 9) /* Serial Frame Delay */
120 #define SSPSP_DMYSTRT(x) ((x) << 7) /* Dummy Start */
121 #define SSPSP_STRTDLY(x) ((x) << 4) /* Start Delay */
122 #define SSPSP_ETDS (1 << 3) /* End of Transfer data State */
123 #define SSPSP_SFRMP (1 << 2) /* Serial Frame Polarity */
124 #define SSPSP_SCMODE(x) ((x) << 0) /* Serial Bit Rate Clock Mode */
125
126 #define SSACD_SCDB (1 << 3) /* SSPSYSCLK Divider Bypass */
127 #define SSACD_ACPS(x) ((x) << 4) /* Audio clock PLL select */
128 #define SSACD_ACDS(x) ((x) << 0) /* Audio clock divider select */
129 #if defined(CONFIG_PXA3xx)
130 #define SSACD_SCDX8 (1 << 7) /* SYSCLK division ratio select */
131 #endif
132
133
134 #endif /* __ASM_ARCH_REGS_SSP_H */
135
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