From 6b28a4478c9f8fa3993d593360eb5574bbdeda22 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Sat, 15 Nov 2025 19:46:14 +0700
Subject: make TUP_DCD_EDPT_ISO_ALLOC i.e
 dcd_edpt_iso_alloc()/dcd_edpt_iso_activate() as default driver
 implementation. dcd_edpt_close() is deprecated and will be removed from all
 driver in the future.

---
 src/portable/microchip/pic/dcd_pic.c         | 16 +++++++++++++++-
 src/portable/microchip/pic32mz/dcd_pic32mz.c | 13 ++++++++++---
 src/portable/microchip/samd/dcd_samd.c       | 11 ++++++++---
 src/portable/microchip/samg/dcd_samg.c       | 15 +++++++++++----
 src/portable/microchip/samx7x/dcd_samx7x.c   | 17 +++++++++--------
 5 files changed, 53 insertions(+), 19 deletions(-)

(limited to 'src/portable/microchip')

diff --git a/src/portable/microchip/pic/dcd_pic.c b/src/portable/microchip/pic/dcd_pic.c
index b4a698199..8413a7ddd 100644
--- a/src/portable/microchip/pic/dcd_pic.c
+++ b/src/portable/microchip/pic/dcd_pic.c
@@ -687,6 +687,21 @@ void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
   if (ie) intr_enable(rhport);
 }
 
+#if 0
+bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size) {
+  (void) rhport;
+  (void) ep_addr;
+  (void) largest_packet_size;
+  return false;
+}
+
+bool dcd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const * desc_ep) {
+  (void) rhport;
+  (void) desc_ep;
+  return false;
+}
+#endif
+
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
 {
 
@@ -866,5 +881,4 @@ void dcd_int_handler(uint8_t rhport)
 
   intr_clear(rhport);
 }
-
 #endif
diff --git a/src/portable/microchip/pic32mz/dcd_pic32mz.c b/src/portable/microchip/pic32mz/dcd_pic32mz.c
index cbd157d6b..b039bb505 100644
--- a/src/portable/microchip/pic32mz/dcd_pic32mz.c
+++ b/src/portable/microchip/pic32mz/dcd_pic32mz.c
@@ -438,12 +438,20 @@ void dcd_edpt_close_all (uint8_t rhport)
   }
 }
 
-void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
-{
+bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size) {
   (void) rhport;
   (void) ep_addr;
+  (void)largest_packet_size;
+  return false;
+}
+
+bool dcd_edpt_iso_activate(uint8_t rhport, const tusb_desc_endpoint_t *desc_ep) {
+  (void)rhport;
+  (void)desc_ep;
+  return false;
 }
 
+
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
 {
   uint8_t const epnum = tu_edpt_number(ep_addr);
@@ -744,5 +752,4 @@ void dcd_int_handler(uint8_t rhport)
     }
   }
 }
-
 #endif
diff --git a/src/portable/microchip/samd/dcd_samd.c b/src/portable/microchip/samd/dcd_samd.c
index e43439f2a..383cf60e5 100644
--- a/src/portable/microchip/samd/dcd_samd.c
+++ b/src/portable/microchip/samd/dcd_samd.c
@@ -245,11 +245,17 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
   return true;
 }
 
-void dcd_edpt_close (uint8_t rhport, uint8_t ep_addr) {
+bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size) {
   (void) rhport;
   (void) ep_addr;
+  (void)largest_packet_size;
+  return false;
+}
 
-  // TODO: implement if necessary?
+bool dcd_edpt_iso_activate(uint8_t rhport, const tusb_desc_endpoint_t *desc_ep) {
+  (void)rhport;
+  (void)desc_ep;
+  return false;
 }
 
 void dcd_edpt_close_all (uint8_t rhport)
@@ -427,5 +433,4 @@ void dcd_int_handler (uint8_t rhport)
   // Handle complete transfer
   maybe_transfer_complete();
 }
-
 #endif
diff --git a/src/portable/microchip/samg/dcd_samg.c b/src/portable/microchip/samg/dcd_samg.c
index a5c768839..879b2eb2b 100644
--- a/src/portable/microchip/samg/dcd_samg.c
+++ b/src/portable/microchip/samg/dcd_samg.c
@@ -270,9 +270,17 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
   return true;
 }
 
-void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr) {
-  (void) rhport; (void) ep_addr;
-  // TODO implement dcd_edpt_close()
+bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size) {
+  (void)rhport;
+  (void)ep_addr;
+  (void)largest_packet_size;
+  return false;
+}
+
+bool dcd_edpt_iso_activate(uint8_t rhport, const tusb_desc_endpoint_t *desc_ep) {
+  (void)rhport;
+  (void)desc_ep;
+  return false;
 }
 
 void dcd_edpt_close_all (uint8_t rhport)
@@ -494,5 +502,4 @@ void dcd_int_handler(uint8_t rhport)
     }
   }
 }
-
 #endif
diff --git a/src/portable/microchip/samx7x/dcd_samx7x.c b/src/portable/microchip/samx7x/dcd_samx7x.c
index 8aec1568d..51308f7a2 100644
--- a/src/portable/microchip/samx7x/dcd_samx7x.c
+++ b/src/portable/microchip/samx7x/dcd_samx7x.c
@@ -559,15 +559,17 @@ void dcd_edpt_close_all (uint8_t rhport)
   // TODO implement dcd_edpt_close_all()
 }
 
-void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
-{
+bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size) {
   (void) rhport;
-  uint8_t const epnum  = tu_edpt_number(ep_addr);
+  (void) ep_addr;
+  (void) largest_packet_size;
+  return false;
+}
 
-  // Disable endpoint interrupt
-  USB_REG->DEVIDR = 1 << (DEVIDR_PEP_0_Pos + epnum);
-  // Disable EP
-  USB_REG->DEVEPT &=~(1 << (DEVEPT_EPEN0_Pos + epnum));
+bool dcd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const * desc_ep) {
+  (void) rhport;
+  (void) desc_ep;
+  return false;
 }
 
 static void dcd_transmit_packet(xfer_ctl_t * xfer, uint8_t ep_ix)
@@ -773,5 +775,4 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
   USB_REG->DEVEPTIDR[epnum] = DEVEPTIDR_CTRL_STALLRQC;
   USB_REG->DEVEPTIER[epnum] = HSTPIPIER_RSTDTS;
 }
-
 #endif
-- 
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