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drivers: udc_dwc2: Support High-Bandwidth endpoints

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Make driver aware of High-Bandwidth endpoints both in Completer and
Buffer DMA mode. In Completer mode TxFIFO must be able to hold all
packets for microframe, while in Buffer DMA mode space enough for two
packets is sufficient.

Signed-off-by: Tomasz Moń <tomasz.mon@nordicsemi.no>
This commit is contained in:
Tomasz Moń 2024-07-19 09:57:21 +02:00 • committed by Fabio Baltieri
commit 07bd625196
2 changed files with 117 additions and 43 deletions
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4
drivers/usb/common/usb_dwc2_hw.h
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@ -755,13 +755,17 @@ USB_DWC2_GET_FIELD_DEFINE(dieptsiz0_xfersize, DEPTSIZ0_XFERSIZE)
* IN at offsets 0x0910 + (0x20 * n), n = 1 .. x,
* OUT at offsets 0x0B10 + (0x20 * n), n = 1 .. x
*/
#define USB_DWC2_DEPTSIZN_MC_POS 29UL
#define USB_DWC2_DEPTSIZN_MC_MASK (0x3UL << USB_DWC2_DEPTSIZN_MC_POS)
#define USB_DWC2_DEPTSIZN_PKTCNT_POS 19UL
#define USB_DWC2_DEPTSIZN_PKTCNT_MASK (0x3FFUL << USB_DWC2_DEPTSIZN_PKTCNT_POS)
#define USB_DWC2_DEPTSIZN_XFERSIZE_POS 0UL
#define USB_DWC2_DEPTSIZN_XFERSIZE_MASK 0x7FFFFUL
USB_DWC2_GET_FIELD_DEFINE(deptsizn_mc, DEPTSIZN_MC)
USB_DWC2_GET_FIELD_DEFINE(deptsizn_pktcnt, DEPTSIZN_PKTCNT)
USB_DWC2_GET_FIELD_DEFINE(deptsizn_xfersize, DEPTSIZN_XFERSIZE)
USB_DWC2_SET_FIELD_DEFINE(deptsizn_mc, DEPTSIZN_MC)
USB_DWC2_SET_FIELD_DEFINE(deptsizn_pktcnt, DEPTSIZN_PKTCNT)
USB_DWC2_SET_FIELD_DEFINE(deptsizn_xfersize, DEPTSIZN_XFERSIZE)