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| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2017-10-13 17:10:41 +0800 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-10-19 10:38:11 +0300 |
| commit | 1a46dfea0841d5ebc08fafe7b3f60d33581f8e27 (patch) | |
| tree | 48d4652ab26767f8868b6d9db0b9626c9a0a0b96 /drivers/usb/mtu3/mtu3.h | |
| parent | a316da82f8d2b9823a2292a7bf84e029fdb3de08 (diff) | |
| download | lwn-1a46dfea0841d5ebc08fafe7b3f60d33581f8e27.tar.gz lwn-1a46dfea0841d5ebc08fafe7b3f60d33581f8e27.zip | |
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.h | 17 |
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; |