diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/spi/pxa2xx_spi.h | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h index 053b5ba51b25..d6d2b4d557f8 100644 --- a/include/linux/spi/pxa2xx_spi.h +++ b/include/linux/spi/pxa2xx_spi.h | |||
| @@ -53,85 +53,5 @@ struct pxa2xx_spi_chip { | |||
| 53 | 53 | ||
| 54 | extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info); | 54 | extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info); |
| 55 | 55 | ||
| 56 | #else | ||
| 57 | /* | ||
| 58 | * This is the implemtation for CE4100 on x86. ARM defines them in mach/ or | ||
| 59 | * plat/ include path. | ||
| 60 | * The CE4100 does not provide DMA support. This bits are here to let the driver | ||
| 61 | * compile and will never be used. Maybe we get DMA support at a later point in | ||
| 62 | * time. | ||
| 63 | */ | ||
| 64 | |||
| 65 | #define DCSR(n) (n) | ||
| 66 | #define DSADR(n) (n) | ||
| 67 | #define DTADR(n) (n) | ||
| 68 | #define DCMD(n) (n) | ||
| 69 | #define DRCMR(n) (n) | ||
| 70 | |||
| 71 | #define DCSR_RUN (1 << 31) /* Run Bit */ | ||
| 72 | #define DCSR_NODESC (1 << 30) /* No-Descriptor Fetch */ | ||
| 73 | #define DCSR_STOPIRQEN (1 << 29) /* Stop Interrupt Enable */ | ||
| 74 | #define DCSR_REQPEND (1 << 8) /* Request Pending (read-only) */ | ||
| 75 | #define DCSR_STOPSTATE (1 << 3) /* Stop State (read-only) */ | ||
| 76 | #define DCSR_ENDINTR (1 << 2) /* End Interrupt */ | ||
| 77 | #define DCSR_STARTINTR (1 << 1) /* Start Interrupt */ | ||
| 78 | #define DCSR_BUSERR (1 << 0) /* Bus Error Interrupt */ | ||
| 79 | |||
| 80 | #define DCSR_EORIRQEN (1 << 28) /* End of Receive Interrupt Enable */ | ||
| 81 | #define DCSR_EORJMPEN (1 << 27) /* Jump to next descriptor on EOR */ | ||
| 82 | #define DCSR_EORSTOPEN (1 << 26) /* STOP on an EOR */ | ||
| 83 | #define DCSR_SETCMPST (1 << 25) /* Set Descriptor Compare Status */ | ||
| 84 | #define DCSR_CLRCMPST (1 << 24) /* Clear Descriptor Compare Status */ | ||
| 85 | #define DCSR_CMPST (1 << 10) /* The Descriptor Compare Status */ | ||
| 86 | #define DCSR_EORINTR (1 << 9) /* The end of Receive */ | ||
| 87 | |||
| 88 | #define DRCMR_MAPVLD (1 << 7) /* Map Valid */ | ||
| 89 | #define DRCMR_CHLNUM 0x1f /* mask for Channel Number */ | ||
| 90 | |||
| 91 | #define DDADR_DESCADDR 0xfffffff0 /* Address of next descriptor */ | ||
| 92 | #define DDADR_STOP (1 << 0) /* Stop */ | ||
| 93 | |||
| 94 | #define DCMD_INCSRCADDR (1 << 31) /* Source Address Increment Setting. */ | ||
| 95 | #define DCMD_INCTRGADDR (1 << 30) /* Target Address Increment Setting. */ | ||
| 96 | #define DCMD_FLOWSRC (1 << 29) /* Flow Control by the source. */ | ||
| 97 | #define DCMD_FLOWTRG (1 << 28) /* Flow Control by the target. */ | ||
| 98 | #define DCMD_STARTIRQEN (1 << 22) /* Start Interrupt Enable */ | ||
| 99 | #define DCMD_ENDIRQEN (1 << 21) /* End Interrupt Enable */ | ||
| 100 | #define DCMD_ENDIAN (1 << 18) /* Device Endian-ness. */ | ||
| 101 | #define DCMD_BURST8 (1 << 16) /* 8 byte burst */ | ||
| 102 | #define DCMD_BURST16 (2 << 16) /* 16 byte burst */ | ||
| 103 | #define DCMD_BURST32 (3 << 16) /* 32 byte burst */ | ||
| 104 | #define DCMD_WIDTH1 (1 << 14) /* 1 byte width */ | ||
| 105 | #define DCMD_WIDTH2 (2 << 14) /* 2 byte width (HalfWord) */ | ||
| 106 | #define DCMD_WIDTH4 (3 << 14) /* 4 byte width (Word) */ | ||
| 107 | #define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */ | ||
| 108 | |||
| 109 | /* | ||
| 110 | * Descriptor structure for PXA's DMA engine | ||
| 111 | * Note: this structure must always be aligned to a 16-byte boundary. | ||
| 112 | */ | ||
| 113 | |||
| 114 | typedef enum { | ||
| 115 | DMA_PRIO_HIGH = 0, | ||
| 116 | DMA_PRIO_MEDIUM = 1, | ||
| 117 | DMA_PRIO_LOW = 2 | ||
| 118 | } pxa_dma_prio; | ||
| 119 | |||
| 120 | /* | ||
| 121 | * DMA registration | ||
| 122 | */ | ||
| 123 | |||
| 124 | static inline int pxa_request_dma(char *name, | ||
| 125 | pxa_dma_prio prio, | ||
| 126 | void (*irq_handler)(int, void *), | ||
| 127 | void *data) | ||
| 128 | { | ||
| 129 | return -ENODEV; | ||
| 130 | } | ||
| 131 | |||
| 132 | static inline void pxa_free_dma(int dma_ch) | ||
| 133 | { | ||
| 134 | } | ||
| 135 | |||
| 136 | #endif | 56 | #endif |
| 137 | #endif | 57 | #endif |
