usb: dwc2: gadget: Add DMA descriptor status quadlet fields (e6fcfb57) · Commits · 戴 / test

drivers/usb/dwc2/hw.h

+37 −0

Original line number	Diff line number	Diff line
		@@ -804,6 +804,8 @@ struct dwc2_dma_desc {
		u32 buf;
		} __packed;

		/* Host Mode DMA descriptor status quadlet */

		#define HOST_DMA_A (1 << 31)
		#define HOST_DMA_STS_MASK (0x3 << 28)
		#define HOST_DMA_STS_SHIFT 28
		@@ -819,6 +821,41 @@ struct dwc2_dma_desc {
		#define HOST_DMA_NBYTES_MASK (0x1ffff << 0)
		#define HOST_DMA_NBYTES_SHIFT 0

		/* Device Mode DMA descriptor status quadlet */

		#define DEV_DMA_BUFF_STS_MASK (0x3 << 30)
		#define DEV_DMA_BUFF_STS_SHIFT 30
		#define DEV_DMA_BUFF_STS_HREADY 0
		#define DEV_DMA_BUFF_STS_DMABUSY 1
		#define DEV_DMA_BUFF_STS_DMADONE 2
		#define DEV_DMA_BUFF_STS_HBUSY 3
		#define DEV_DMA_STS_MASK (0x3 << 28)
		#define DEV_DMA_STS_SHIFT 28
		#define DEV_DMA_STS_SUCC 0
		#define DEV_DMA_STS_BUFF_FLUSH 1
		#define DEV_DMA_STS_BUFF_ERR 3
		#define DEV_DMA_L (1 << 27)
		#define DEV_DMA_SHORT (1 << 26)
		#define DEV_DMA_IOC (1 << 25)
		#define DEV_DMA_SR (1 << 24)
		#define DEV_DMA_MTRF (1 << 23)
		#define DEV_DMA_ISOC_PID_MASK (0x3 << 23)
		#define DEV_DMA_ISOC_PID_SHIFT 23
		#define DEV_DMA_ISOC_PID_DATA0 0
		#define DEV_DMA_ISOC_PID_DATA2 1
		#define DEV_DMA_ISOC_PID_DATA1 2
		#define DEV_DMA_ISOC_PID_MDATA 3
		#define DEV_DMA_ISOC_FRNUM_MASK (0x7ff << 12)
		#define DEV_DMA_ISOC_FRNUM_SHIFT 12
		#define DEV_DMA_ISOC_TX_NBYTES_MASK (0xfff << 0)
		#define DEV_DMA_ISOC_TX_NBYTES_LIMIT 0xfff
		#define DEV_DMA_ISOC_RX_NBYTES_MASK (0x7ff << 0)
		#define DEV_DMA_ISOC_RX_NBYTES_LIMIT 0x7ff
		#define DEV_DMA_ISOC_NBYTES_SHIFT 0
		#define DEV_DMA_NBYTES_MASK (0xffff << 0)
		#define DEV_DMA_NBYTES_SHIFT 0
		#define DEV_DMA_NBYTES_LIMIT 0xffff

		#define MAX_DMA_DESC_SIZE 131071
		#define MAX_DMA_DESC_NUM_GENERIC 64
		#define MAX_DMA_DESC_NUM_HS_ISOC 256

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