Merge branch spi-next from git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 7 insertions, 80 deletions

diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h
index 053b5ba51b25..82d5111cd0c2 100644
--- a/include/linux/spi/pxa2xx_spi.h
+++ b/include/linux/spi/pxa2xx_spi.h
@@ -29,6 +29,12 @@ struct pxa2xx_spi_master {
         u16 num_chipselect;
         u8 enable_dma;
 
+        /* DMA engine specific config */
+        int rx_chan_id;
+        int tx_chan_id;
+        int rx_slave_id;
+        int tx_slave_id;
+
         /* For non-PXA arches */
         struct ssp_device ssp;
 };
@@ -38,6 +44,7 @@ struct pxa2xx_spi_master {
  */
 struct pxa2xx_spi_chip {
         u8 tx_threshold;
+        u8 tx_hi_threshold;
         u8 rx_threshold;
         u8 dma_burst_size;
         u32 timeout;
@@ -53,85 +60,5 @@ struct pxa2xx_spi_chip {
 
 extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info);
 
-#else
-/*
- * This is the implemtation for CE4100 on x86. ARM defines them in mach/ or
- * plat/ include path.
- * The CE4100 does not provide DMA support. This bits are here to let the driver
- * compile and will never be used. Maybe we get DMA support at a later point in
- * time.
- */
-
-#define DCSR(n)         (n)
-#define DSADR(n)        (n)
-#define DTADR(n)        (n)
-#define DCMD(n)         (n)
-#define DRCMR(n)        (n)
-
-#define DCSR_RUN        (1 << 31)       /* Run Bit */
-#define DCSR_NODESC     (1 << 30)       /* No-Descriptor Fetch */
-#define DCSR_STOPIRQEN  (1 << 29)       /* Stop Interrupt Enable */
-#define DCSR_REQPEND    (1 << 8)        /* Request Pending (read-only) */
-#define DCSR_STOPSTATE  (1 << 3)        /* Stop State (read-only) */
-#define DCSR_ENDINTR    (1 << 2)        /* End Interrupt */
-#define DCSR_STARTINTR  (1 << 1)        /* Start Interrupt */
-#define DCSR_BUSERR     (1 << 0)        /* Bus Error Interrupt */
-
-#define DCSR_EORIRQEN   (1 << 28)       /* End of Receive Interrupt Enable */
-#define DCSR_EORJMPEN   (1 << 27)       /* Jump to next descriptor on EOR */
-#define DCSR_EORSTOPEN  (1 << 26)       /* STOP on an EOR */
-#define DCSR_SETCMPST   (1 << 25)       /* Set Descriptor Compare Status */
-#define DCSR_CLRCMPST   (1 << 24)       /* Clear Descriptor Compare Status */
-#define DCSR_CMPST      (1 << 10)       /* The Descriptor Compare Status */
-#define DCSR_EORINTR    (1 << 9)        /* The end of Receive */
-
-#define DRCMR_MAPVLD    (1 << 7)        /* Map Valid */
-#define DRCMR_CHLNUM    0x1f            /* mask for Channel Number */
-
-#define DDADR_DESCADDR  0xfffffff0      /* Address of next descriptor */
-#define DDADR_STOP      (1 << 0)        /* Stop */
-
-#define DCMD_INCSRCADDR (1 << 31)       /* Source Address Increment Setting. */
-#define DCMD_INCTRGADDR (1 << 30)       /* Target Address Increment Setting. */
-#define DCMD_FLOWSRC    (1 << 29)       /* Flow Control by the source. */
-#define DCMD_FLOWTRG    (1 << 28)       /* Flow Control by the target. */
-#define DCMD_STARTIRQEN (1 << 22)       /* Start Interrupt Enable */
-#define DCMD_ENDIRQEN   (1 << 21)       /* End Interrupt Enable */
-#define DCMD_ENDIAN     (1 << 18)       /* Device Endian-ness. */
-#define DCMD_BURST8     (1 << 16)       /* 8 byte burst */
-#define DCMD_BURST16    (2 << 16)       /* 16 byte burst */
-#define DCMD_BURST32    (3 << 16)       /* 32 byte burst */
-#define DCMD_WIDTH1     (1 << 14)       /* 1 byte width */
-#define DCMD_WIDTH2     (2 << 14)       /* 2 byte width (HalfWord) */
-#define DCMD_WIDTH4     (3 << 14)       /* 4 byte width (Word) */
-#define DCMD_LENGTH     0x01fff         /* length mask (max = 8K - 1) */
-
-/*
- * Descriptor structure for PXA's DMA engine
- * Note: this structure must always be aligned to a 16-byte boundary.
- */
-
-typedef enum {
-        DMA_PRIO_HIGH = 0,
-        DMA_PRIO_MEDIUM = 1,
-        DMA_PRIO_LOW = 2
-} pxa_dma_prio;
-
-/*
- * DMA registration
- */
-
-static inline int pxa_request_dma(char *name,
-                pxa_dma_prio prio,
-                void (*irq_handler)(int, void *),
-                void *data)
-{
-        return -ENODEV;
-}
-
-static inline void pxa_free_dma(int dma_ch)
-{
-}
-
 #endif
 #endif