From d381db5b1f6a7d7897056adb84ea24f18f2dd0b8 Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <zyp@jvnv.net>
Date: Mon, 1 May 2023 00:50:55 +0200
Subject: usb: Update code for stm32_usb and add support for v3.

---
 usb/stm32_usb_def.h | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 usb/stm32_usb_def.h

(limited to 'usb/stm32_usb_def.h')

diff --git a/usb/stm32_usb_def.h b/usb/stm32_usb_def.h
new file mode 100644
index 0000000..5fdd2ff
--- /dev/null
+++ b/usb/stm32_usb_def.h
@@ -0,0 +1,71 @@
+#pragma once
+
+#include <mmio/mmio.h>
+
+struct STM32_USB_reg_v1_t {
+    volatile uint32_t EPR[16];
+    volatile uint32_t CNTR;
+    volatile uint32_t ISTR;
+    volatile uint32_t FNR;
+    volatile uint32_t DADDR;
+    volatile uint32_t BTABLE;
+
+    struct bufd_t {
+        volatile uint32_t ADDR_TX;
+        volatile uint32_t COUNT_TX;
+        volatile uint32_t ADDR_RX;
+        volatile uint32_t COUNT_RX;
+    };
+
+    using buf_t = volatile uint32_t;
+};
+
+struct STM32_USB_reg_v2_t {
+    volatile uint32_t EPR[16];
+    volatile uint32_t CNTR;
+    volatile uint32_t ISTR;
+    volatile uint32_t FNR;
+    volatile uint32_t DADDR;
+    volatile uint32_t BTABLE;
+    volatile uint32_t LPMCSR;
+    volatile uint32_t BCDR;
+
+    struct bufd_t {
+        volatile uint16_t ADDR_TX;
+        volatile uint16_t COUNT_TX;
+        volatile uint16_t ADDR_RX;
+        volatile uint16_t COUNT_RX;
+    };
+
+    using buf_t = volatile uint16_t;
+};
+
+struct STM32_USB_reg_v3_t {
+    volatile uint32_t EPR[16];
+    volatile uint32_t CNTR;
+    volatile uint32_t ISTR;
+    volatile uint32_t FNR;
+    volatile uint32_t DADDR;
+    uint32_t _reserved;
+    volatile uint32_t LPMCSR;
+    volatile uint32_t BCDR;
+
+    struct bufd_t {
+        volatile uint32_t TXRXBD;
+        volatile uint32_t RXTXBD;
+    };
+
+    using buf_t = volatile uint32_t;
+};
+
+template <typename T>
+class STM32_USB_t : public mmio_ptr<T> {
+	public:
+		mmio_ptr<typename T::bufd_t> bufd;
+		mmio_ptr<typename T::buf_t> buf;
+		
+		constexpr STM32_USB_t(uint32_t reg_addr, uint32_t buf_addr) :
+			mmio_ptr<T>(reg_addr),
+			bufd(buf_addr),
+            buf(buf_addr) {}
+};
-- 
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