sh: implement DMA_SLAVE capability in SH dmaengine driver

[android-x86/kernel.git] / arch / sh / include / asm / dma-sh.h

diff --git a/arch/sh/include/asm/dma-sh.h b/arch/sh/include/asm/dma-sh.h
index 78eed3e..c8d8ce7 100644 (file)
--- a/arch/sh/include/asm/dma-sh.h
+++ b/arch/sh/include/asm/dma-sh.h
@@ -64,8 +64,10 @@ static int dmte_irq_map[] __maybe_unused = {
 #define ACK_L  0x00010000
 #define DM_INC 0x00004000
 #define DM_DEC 0x00008000
+#define DM_FIX 0x0000c000
 #define SM_INC 0x00001000
 #define SM_DEC 0x00002000
+#define SM_FIX 0x00003000
 #define RS_IN  0x00000200
 #define RS_OUT 0x00000300
 #define TS_BLK 0x00000040
@@ -83,7 +85,7 @@ static int dmte_irq_map[] __maybe_unused = {
  * Define the default configuration for dual address memory-memory transfer.
  * The 0x400 value represents auto-request, external->external.
  */
-#define RS_DUAL        (DM_INC | SM_INC | 0x400 | TS_32)
+#define RS_DUAL        (DM_INC | SM_INC | 0x400 | TS_INDEX2VAL(XMIT_SZ_32BIT))
 
 /* DMA base address */
 static u32 dma_base_addr[] __maybe_unused = {
@@ -123,10 +125,47 @@ static u32 dma_base_addr[] __maybe_unused = {
  */
 #define SHDMA_MIX_IRQ  (1 << 1)
 #define SHDMA_DMAOR1   (1 << 2)
-#define SHDMA_DMAE1            (1 << 3)
+#define SHDMA_DMAE1    (1 << 3)
+
+enum sh_dmae_slave_chan_id {
+       SHDMA_SLAVE_SCIF0_TX,
+       SHDMA_SLAVE_SCIF0_RX,
+       SHDMA_SLAVE_SCIF1_TX,
+       SHDMA_SLAVE_SCIF1_RX,
+       SHDMA_SLAVE_SCIF2_TX,
+       SHDMA_SLAVE_SCIF2_RX,
+       SHDMA_SLAVE_SCIF3_TX,
+       SHDMA_SLAVE_SCIF3_RX,
+       SHDMA_SLAVE_SCIF4_TX,
+       SHDMA_SLAVE_SCIF4_RX,
+       SHDMA_SLAVE_SCIF5_TX,
+       SHDMA_SLAVE_SCIF5_RX,
+       SHDMA_SLAVE_SIUA_TX,
+       SHDMA_SLAVE_SIUA_RX,
+       SHDMA_SLAVE_SIUB_TX,
+       SHDMA_SLAVE_SIUB_RX,
+       SHDMA_SLAVE_NUMBER,     /* Must stay last */
+};
+
+struct sh_dmae_slave_config {
+       enum sh_dmae_slave_chan_id      slave_id;
+       dma_addr_t                      addr;
+       u32                             chcr;
+       char                            mid_rid;
+};
 
 struct sh_dmae_pdata {
        unsigned int mode;
+       struct sh_dmae_slave_config *config;
+       int config_num;
+};
+
+struct device;
+
+struct sh_dmae_slave {
+       enum sh_dmae_slave_chan_id      slave_id; /* Set by the platform */
+       struct device                   *dma_dev; /* Set by the platform */
+       struct sh_dmae_slave_config     *config;  /* Set by the driver */
 };
 
 #endif /* __DMA_SH_H */