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refactor(esp_hal_usb): Enable HNP on HNP-capable controllers

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This commit is contained in:
Tomas Rezucha
2026-04-22 10:21:59 +02:00
parent 6e0878131e
commit d02062f914
6 changed files with 173 additions and 32 deletions
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components/esp_hal_usb/esp32p4/include/hal/usb_dwc_ll.h
+33 -9
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@@ -109,6 +109,17 @@ extern "C" {
#define USB_DWC_LL_INTR_CHAN_CHHLTD (1 << 1)
#define USB_DWC_LL_INTR_CHAN_XFERCOMPL (1 << 0)
/*
* OTG mode configuration values for the GHWCFG2 register
*/
#define USB_DWC_LL_GHWCFG_OTG_MODE_HNP_SRP_OTG 0
#define USB_DWC_LL_GHWCFG_OTG_MODE_SRP_OTG 1
#define USB_DWC_LL_GHWCFG_OTG_MODE_OTG 2
#define USB_DWC_LL_GHWCFG_OTG_MODE_SRP_DEVICE 3
#define USB_DWC_LL_GHWCFG_OTG_MODE_DEVICE 4
#define USB_DWC_LL_GHWCFG_OTG_MODE_SRP_HOST 5
#define USB_DWC_LL_GHWCFG_OTG_MODE_HOST 6
/*
* QTD (Queue Transfer Descriptor) structure used in Scatter/Gather DMA mode.
* Each QTD describes one transfer. Scatter gather mode will automatically split
@@ -204,19 +215,14 @@ static inline void usb_dwc_ll_gusbcfg_force_host_mode(usb_dwc_dev_t *hw)
hw->gusbcfg_reg.forcehstmode = 1;
}
static inline void usb_dwc_ll_gusbcfg_en_hnp_cap(usb_dwc_dev_t *hw)
static inline void usb_dwc_ll_gusbcfg_set_hnp_cap(usb_dwc_dev_t *hw, bool hnp_cap)
{
hw->gusbcfg_reg.hnpcap = 1;
hw->gusbcfg_reg.hnpcap = hnp_cap;
}
static inline void usb_dwc_ll_gusbcfg_dis_hnp_cap(usb_dwc_dev_t *hw)
static inline void usb_dwc_ll_gusbcfg_set_srp_cap(usb_dwc_dev_t *hw, bool srp_cap)
{
hw->gusbcfg_reg.hnpcap = 0;
}
static inline void usb_dwc_ll_gusbcfg_dis_srp_cap(usb_dwc_dev_t *hw)
{
hw->gusbcfg_reg.srpcap = 0;
hw->gusbcfg_reg.srpcap = srp_cap;
}
static inline void usb_dwc_ll_gusbcfg_set_timeout_cal(usb_dwc_dev_t *hw, uint8_t tout_cal)
@@ -371,6 +377,24 @@ static inline uint32_t usb_dwc_ll_gsnpsid_get_id(usb_dwc_dev_t *hw)
// --------------------------- GHWCFGx Register --------------------------------
static inline void usb_dwc_ll_ghwcfg_get_hnp_srp_cap(usb_dwc_dev_t *hw, bool *hnp_cap, bool *srp_cap)
{
const uint32_t otg_mode = hw->ghwcfg2_reg.otgmode;
if (otg_mode == USB_DWC_LL_GHWCFG_OTG_MODE_HNP_SRP_OTG) {
*hnp_cap = true;
*srp_cap = true;
} else if (otg_mode == USB_DWC_LL_GHWCFG_OTG_MODE_SRP_OTG ||
otg_mode == USB_DWC_LL_GHWCFG_OTG_MODE_SRP_DEVICE ||
otg_mode == USB_DWC_LL_GHWCFG_OTG_MODE_SRP_HOST) {
*hnp_cap = false;
*srp_cap = true;
} else {
*hnp_cap = false;
*srp_cap = false;
}
}
static inline unsigned usb_dwc_ll_ghwcfg_get_fifo_depth(usb_dwc_dev_t *hw)
{
return hw->ghwcfg3_reg.dfifodepth;