add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/drivers/usb/gadget/udc/aspeed-vhub/vhub.h
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@@ -2,6 +2,9 @@
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 #ifndef __ASPEED_VHUB_H
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 #define __ASPEED_VHUB_H
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+#include <linux/usb.h>
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+#include <linux/usb/ch11.h>
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+
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 /*****************************
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  *                           *
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  * VHUB register definitions *
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@@ -48,14 +51,11 @@
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 #define VHUB_CTRL_UPSTREAM_CONNECT		(1 << 0)
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 /* IER & ISR */
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+#define VHUB_IRQ_DEV1_BIT			9
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 #define VHUB_IRQ_USB_CMD_DEADLOCK		(1 << 18)
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 #define VHUB_IRQ_EP_POOL_NAK			(1 << 17)
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 #define VHUB_IRQ_EP_POOL_ACK_STALL		(1 << 16)
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-#define VHUB_IRQ_DEVICE5			(1 << 13)
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-#define VHUB_IRQ_DEVICE4			(1 << 12)
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-#define VHUB_IRQ_DEVICE3			(1 << 11)
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-#define VHUB_IRQ_DEVICE2			(1 << 10)
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-#define VHUB_IRQ_DEVICE1			(1 << 9)
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+#define VHUB_IRQ_DEVICE1			(1 << (VHUB_IRQ_DEV1_BIT))
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 #define VHUB_IRQ_BUS_RESUME			(1 << 8)
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 #define VHUB_IRQ_BUS_SUSPEND 			(1 << 7)
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 #define VHUB_IRQ_BUS_RESET 			(1 << 6)
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@@ -67,6 +67,9 @@
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 #define VHUB_IRQ_HUB_EP0_SETUP			(1 << 0)
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 #define VHUB_IRQ_ACK_ALL			0x1ff
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+/* Downstream device IRQ mask. */
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+#define VHUB_DEV_IRQ(n)				(VHUB_IRQ_DEVICE1 << (n))
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+
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 /* SW reset reg */
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 #define VHUB_SW_RESET_EP_POOL			(1 << 9)
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 #define VHUB_SW_RESET_DMA_CONTROLLER		(1 << 8)
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@@ -76,17 +79,9 @@
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 #define VHUB_SW_RESET_DEVICE2			(1 << 2)
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 #define VHUB_SW_RESET_DEVICE1			(1 << 1)
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 #define VHUB_SW_RESET_ROOT_HUB			(1 << 0)
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-#define VHUB_SW_RESET_ALL			(VHUB_SW_RESET_EP_POOL | \
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-						 VHUB_SW_RESET_DMA_CONTROLLER | \
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-						 VHUB_SW_RESET_DEVICE5 | \
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-						 VHUB_SW_RESET_DEVICE4 | \
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-						 VHUB_SW_RESET_DEVICE3 | \
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-						 VHUB_SW_RESET_DEVICE2 | \
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-						 VHUB_SW_RESET_DEVICE1 | \
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-						 VHUB_SW_RESET_ROOT_HUB)
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+
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 /* EP ACK/NACK IRQ masks */
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 #define VHUB_EP_IRQ(n)				(1 << (n))
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-#define VHUB_EP_IRQ_ALL				0x7fff	/* 15 EPs */
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 /* USB status reg */
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 #define VHUB_USBSTS_HISPEED			(1 << 27)
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@@ -210,6 +205,11 @@
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  *                                      *
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  ****************************************/
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+/*
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+ * AST_VHUB_NUM_GEN_EPs and AST_VHUB_NUM_PORTS are kept to avoid breaking
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+ * existing AST2400/AST2500 platforms. AST2600 and future vhub revisions
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+ * should define number of downstream ports and endpoints in device tree.
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+ */
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 #define AST_VHUB_NUM_GEN_EPs	15	/* Generic non-0 EPs */
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 #define AST_VHUB_NUM_PORTS	5	/* vHub ports */
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 #define AST_VHUB_EP0_MAX_PACKET	64	/* EP0's max packet size */
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@@ -257,6 +257,7 @@
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 	ep0_state_token,
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 	ep0_state_data,
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 	ep0_state_status,
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+	ep0_state_stall,
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 };
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 /*
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@@ -311,7 +312,7 @@
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 			/* Registers */
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 			void __iomem   		*regs;
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-			/* Index in global pool (0..14) */
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+			/* Index in global pool (zero-based) */
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 			unsigned int		g_idx;
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 			/* DMA Descriptors */
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@@ -341,7 +342,7 @@
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 	struct ast_vhub			*vhub;
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 	void __iomem			*regs;
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-	/* Device index (0...4) and name string */
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+	/* Device index (zero-based) and name string */
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 	unsigned int			index;
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 	const char			*name;
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@@ -353,12 +354,12 @@
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 	struct usb_gadget_driver	*driver;
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 	bool				registered : 1;
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 	bool				wakeup_en : 1;
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-	bool				suspended : 1;
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 	bool				enabled : 1;
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 	/* Endpoint structures */
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 	struct ast_vhub_ep		ep0;
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-	struct ast_vhub_ep		*epns[AST_VHUB_NUM_GEN_EPs];
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+	struct ast_vhub_ep		**epns;
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+	u32				max_epns;
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 };
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 #define to_ast_dev(__g) container_of(__g, struct ast_vhub_dev, gadget)
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@@ -372,6 +373,12 @@
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 	/* Associated device slot */
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 	struct ast_vhub_dev	dev;
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 };
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+
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+struct ast_vhub_full_cdesc {
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+	struct usb_config_descriptor	cfg;
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+	struct usb_interface_descriptor intf;
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+	struct usb_endpoint_descriptor	ep;
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+} __packed;
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 /* Global vhub structure */
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 struct ast_vhub {
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@@ -393,10 +400,13 @@
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 	bool				ep1_stalled : 1;
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 	/* Per-port info */
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-	struct ast_vhub_port		ports[AST_VHUB_NUM_PORTS];
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+	struct ast_vhub_port		*ports;
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+	u32				max_ports;
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+	u32				port_irq_mask;
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 	/* Generic EP data structures */
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-	struct ast_vhub_ep		epns[AST_VHUB_NUM_GEN_EPs];
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+	struct ast_vhub_ep		*epns;
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+	u32				max_epns;
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 	/* Upstream bus is suspended ? */
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 	bool				suspended : 1;
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@@ -409,6 +419,12 @@
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 	/* Upstream bus speed captured at bus reset */
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 	unsigned int			speed;
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+
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+	/* Standard USB Descriptors of the vhub. */
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+	struct usb_device_descriptor	vhub_dev_desc;
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+	struct ast_vhub_full_cdesc	vhub_conf_desc;
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+	struct usb_hub_descriptor	vhub_hub_desc;
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+	struct list_head		vhub_str_desc;
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 };
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 /* Standard request handlers result codes */
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@@ -507,6 +523,7 @@
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 /* ep0.c */
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 void ast_vhub_ep0_handle_ack(struct ast_vhub_ep *ep, bool in_ack);
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 void ast_vhub_ep0_handle_setup(struct ast_vhub_ep *ep);
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+void ast_vhub_reset_ep0(struct ast_vhub_dev *dev);
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 void ast_vhub_init_ep0(struct ast_vhub *vhub, struct ast_vhub_ep *ep,
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 		       struct ast_vhub_dev *dev);
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 int ast_vhub_reply(struct ast_vhub_ep *ep, char *ptr, int len);
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@@ -517,7 +534,7 @@
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 			       __VA_ARGS__)
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 /* hub.c */
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-void ast_vhub_init_hub(struct ast_vhub *vhub);
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+int ast_vhub_init_hub(struct ast_vhub *vhub);
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 enum std_req_rc ast_vhub_std_hub_request(struct ast_vhub_ep *ep,
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 					 struct usb_ctrlrequest *crq);
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 enum std_req_rc ast_vhub_class_hub_request(struct ast_vhub_ep *ep,