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authorChunfeng Yun2017-10-13 11:10:41 +0200
committerFelipe Balbi2017-10-19 09:38:11 +0200
commit1a46dfea0841d5ebc08fafe7b3f60d33581f8e27 (patch)
tree48d4652ab26767f8868b6d9db0b9626c9a0a0b96 /drivers/usb/mtu3/mtu3.h
parentusb: mtu3: add optional mcu and dma bus clocks (diff)
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usb: mtu3: support 36-bit DMA address
add support for 36-bit DMA address [ Felipe Balbi: fix printk format for dma_addr_t ] Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/mtu3/mtu3.h')
-rw-r--r--drivers/usb/mtu3/mtu3.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/usb/mtu3/mtu3.h b/drivers/usb/mtu3/mtu3.h
index 2795294ec92a..ef2dc92a2109 100644
--- a/drivers/usb/mtu3/mtu3.h
+++ b/drivers/usb/mtu3/mtu3.h
@@ -46,6 +46,9 @@ struct mtu3_request;
#define MU3D_EP_RXCR1(epnum) (U3D_RX1CSR1 + (((epnum) - 1) * 0x10))
#define MU3D_EP_RXCR2(epnum) (U3D_RX1CSR2 + (((epnum) - 1) * 0x10))
+#define USB_QMU_TQHIAR(epnum) (U3D_TXQHIAR1 + (((epnum) - 1) * 0x4))
+#define USB_QMU_RQHIAR(epnum) (U3D_RXQHIAR1 + (((epnum) - 1) * 0x4))
+
#define USB_QMU_RQCSR(epnum) (U3D_RXQCSR1 + (((epnum) - 1) * 0x10))
#define USB_QMU_RQSAR(epnum) (U3D_RXQSAR1 + (((epnum) - 1) * 0x10))
#define USB_QMU_RQCPR(epnum) (U3D_RXQCPR1 + (((epnum) - 1) * 0x10))
@@ -138,23 +141,33 @@ struct mtu3_fifo_info {
* Checksum value is calculated over the 16 bytes of the GPD by default;
* @data_buf_len (RX ONLY): This value indicates the length of
* the assigned data buffer
+ * @tx_ext_addr (TX ONLY): [3:0] are 4 extension bits of @buffer,
+ * [7:4] are 4 extension bits of @next_gpd
* @next_gpd: Physical address of the next GPD
* @buffer: Physical address of the data buffer
* @buf_len:
* (TX): This value indicates the length of the assigned data buffer
* (RX): The total length of data received
* @ext_len: reserved
+ * @rx_ext_addr(RX ONLY): [3:0] are 4 extension bits of @buffer,
+ * [7:4] are 4 extension bits of @next_gpd
* @ext_flag:
* bit5 (TX ONLY): Zero Length Packet (ZLP),
*/
struct qmu_gpd {
__u8 flag;
__u8 chksum;
- __le16 data_buf_len;
+ union {
+ __le16 data_buf_len;
+ __le16 tx_ext_addr;
+ };
__le32 next_gpd;
__le32 buffer;
__le16 buf_len;
- __u8 ext_len;
+ union {
+ __u8 ext_len;
+ __u8 rx_ext_addr;
+ };
__u8 ext_flag;
} __packed;