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usb: mtu3: supports new QMU format

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In order to support U3gen2 ISOC transfer upto 96DPs, extend
the data buffer length.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun
2019-03-21 10:53:45 +08:00
committed by Greg Kroah-Hartman
parent 09befc326e
commit 48e0d3735a
6 changed files with 66 additions and 22 deletions
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11
drivers/usb/mtu3/mtu3.h
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@@ -148,22 +148,23 @@ struct mtu3_fifo_info {
* bit0: Hardware Own (HWO)
* bit1: Buffer Descriptor Present (BDP), always 0, BD is not supported
* bit2: Bypass (BPS), 1: HW skips this GPD if HWO = 1
* bit6: [EL] Zero Length Packet (ZLP), moved from @dw3_info[29]
* bit7: Interrupt On Completion (IOC)
* bit[31:16]: allow data buffer length (RX ONLY),
* bit[31:16]: ([EL] bit[31:12]) allow data buffer length (RX ONLY),
* the buffer length of the data to receive
* bit[23:16]: extension address (TX ONLY),
* bit[23:16]: ([EL] bit[31:24]) extension address (TX ONLY),
* lower 4 bits are extension bits of @buffer,
* upper 4 bits are extension bits of @next_gpd
* @next_gpd: Physical address of the next GPD
* @buffer: Physical address of the data buffer
* @dw3_info:
* bit[15:0]: data buffer length,
* bit[15:0]: ([EL] bit[19:0]) data buffer length,
* (TX): the buffer length of the data to transmit
* (RX): The total length of data received
* bit[23:16]: extension address (RX ONLY),
* bit[23:16]: ([EL] bit[31:24]) extension address (RX ONLY),
* lower 4 bits are extension bits of @buffer,
* upper 4 bits are extension bits of @next_gpd
* bit29: Zero Length Packet (ZLP) (TX ONLY)
* bit29: ([EL] abandoned) Zero Length Packet (ZLP) (TX ONLY)
*/
struct qmu_gpd {
__le32 dw0_info;