+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland
*
* Adapted for U-Boot driver model
* (C) Copyright 2015 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0+
* Note: Part of this code has been derived from linux
*
*/
int string_langid; /* language ID for strings */
int (*irq_handle)(struct usb_device *dev);
unsigned long irq_status;
- int irq_act_len; /* transfered bytes */
+ int irq_act_len; /* transferred bytes */
void *privptr;
/*
* Child devices - if this is a hub device
*/
unsigned long status;
unsigned long int_pending; /* 1 bit per ep, used by int_queue */
- int act_len; /* transfered bytes */
+ int act_len; /* transferred bytes */
int maxchild; /* Number of ports if hub */
int portnr; /* Port number, 1=first */
#ifndef CONFIG_DM_USB
int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
int transfer_len, int interval);
-#if defined CONFIG_USB_EHCI || defined CONFIG_USB_MUSB_HOST || defined(CONFIG_DM_USB)
+#if defined CONFIG_USB_EHCI_HCD || defined CONFIG_USB_MUSB_HOST \
+ || defined(CONFIG_DM_USB)
struct int_queue *create_int_queue(struct usb_device *dev, unsigned long pipe,
int queuesize, int elementsize, void *buffer, int interval);
int destroy_int_queue(struct usb_device *dev, struct int_queue *queue);
#ifdef CONFIG_USB_STORAGE
#define USB_MAX_STOR_DEV 7
-struct blk_desc *usb_stor_get_dev(int index);
int usb_stor_scan(int mode);
int usb_stor_info(void);
unsigned short wHubChange;
} __attribute__ ((packed));
+/*
+ * Hub Device descriptor
+ * USB Hub class device protocols
+ */
+#define USB_HUB_PR_FS 0 /* Full speed hub */
+#define USB_HUB_PR_HS_NO_TT 0 /* Hi-speed hub without TT */
+#define USB_HUB_PR_HS_SINGLE_TT 1 /* Hi-speed hub with single TT */
+#define USB_HUB_PR_HS_MULTI_TT 2 /* Hi-speed hub with multiple TT */
+#define USB_HUB_PR_SS 3 /* Super speed hub */
+
+/* Transaction Translator Think Times, in bits */
+#define HUB_TTTT_8_BITS 0x00
+#define HUB_TTTT_16_BITS 0x20
+#define HUB_TTTT_24_BITS 0x40
+#define HUB_TTTT_32_BITS 0x60
/* Hub descriptor */
struct usb_hub_descriptor {
unsigned short wHubCharacteristics;
unsigned char bPwrOn2PwrGood;
unsigned char bHubContrCurrent;
- unsigned char DeviceRemovable[(USB_MAXCHILDREN+1+7)/8];
- unsigned char PortPowerCtrlMask[(USB_MAXCHILDREN+1+7)/8];
- /* DeviceRemovable and PortPwrCtrlMask want to be variable-length
- bitmaps that hold max 255 entries. (bit0 is ignored) */
+ /* 2.0 and 3.0 hubs differ here */
+ union {
+ struct {
+ /* add 1 bit for hub status change; round to bytes */
+ __u8 DeviceRemovable[(USB_MAXCHILDREN + 1 + 7) / 8];
+ __u8 PortPowerCtrlMask[(USB_MAXCHILDREN + 1 + 7) / 8];
+ } __attribute__ ((packed)) hs;
+
+ struct {
+ __u8 bHubHdrDecLat;
+ __le16 wHubDelay;
+ __le16 DeviceRemovable;
+ } __attribute__ ((packed)) ss;
+ } u;
} __attribute__ ((packed));
struct usb_hub_device {
struct usb_device *pusb_dev;
struct usb_hub_descriptor desc;
+
+ ulong connect_timeout; /* Device connection timeout in ms */
+ ulong query_delay; /* Device query delay in ms */
+ int overcurrent_count[USB_MAXCHILDREN]; /* Over-current counter */
+ int hub_depth; /* USB 3.0 hub depth */
+ struct usb_tt tt; /* Transaction Translator */
};
#ifdef CONFIG_DM_USB
bool companion;
};
+/**
+ * struct usb_emul_platdata - platform data about the USB emulator
+ *
+ * Given a USB emulator (UCLASS_USB_EMUL) 'dev', this is
+ * dev_get_uclass_platdata(dev).
+ *
+ * @port1: USB emulator device port number on the parent hub
+ */
+struct usb_emul_platdata {
+ int port1; /* Port number (numbered from 1) */
+};
+
/**
* struct dm_usb_ops - USB controller operations
*
* reset_root_port() - Reset usb root port
*/
int (*reset_root_port)(struct udevice *bus, struct usb_device *udev);
+
+ /**
+ * update_hub_device() - Update HCD's internal representation of hub
+ *
+ * After a hub descriptor is fetched, notify HCD so that its internal
+ * representation of this hub can be updated (xHCI)
+ */
+ int (*update_hub_device)(struct udevice *bus, struct usb_device *udev);
+
+ /**
+ * get_max_xfer_size() - Get HCD's maximum transfer bytes
+ *
+ * The HCD may have limitation on the maximum bytes to be transferred
+ * in a USB transfer. USB class driver needs to be aware of this.
+ */
+ int (*get_max_xfer_size)(struct udevice *bus, size_t *size);
};
#define usb_get_ops(dev) ((struct dm_usb_ops *)(dev)->driver->ops)
int usb_setup_device(struct usb_device *dev, bool do_read,
struct usb_device *parent);
+/**
+ * usb_hub_is_root_hub() - Test whether a hub device is root hub or not
+ *
+ * @hub: USB hub device to test
+ * @return: true if the hub device is root hub, false otherwise.
+ */
+bool usb_hub_is_root_hub(struct udevice *hub);
+
/**
* usb_hub_scan() - Scan a hub and find its devices
*
int usb_hub_probe(struct usb_device *dev, int ifnum);
void usb_hub_reset(void);
-/**
- * legacy_hub_port_reset() - reset a port given its usb_device pointer
- *
- * Reset a hub port and see if a device is present on that port, providing
- * sufficient time for it to show itself. The port status is returned.
- *
- * With driver model this moves to hub_port_reset() and is passed a struct
- * udevice.
- *
- * @dev: USB device to reset
- * @port: Port number to reset (note ports are numbered from 0 here)
- * @portstat: Returns port status
- */
-int legacy_hub_port_reset(struct usb_device *dev, int port,
- unsigned short *portstat);
-
-int hub_port_reset(struct udevice *dev, int port, unsigned short *portstat);
-
/*
* usb_find_usb2_hub_address_port() - Get hub address and port for TT setting
*
int usb_alloc_device(struct usb_device *dev);
+/**
+ * usb_update_hub_device() - Update HCD's internal representation of hub
+ *
+ * After a hub descriptor is fetched, notify HCD so that its internal
+ * representation of this hub can be updated.
+ *
+ * @dev: Hub device
+ * @return 0 if OK, -ve on error
+ */
+int usb_update_hub_device(struct usb_device *dev);
+
+/**
+ * usb_get_max_xfer_size() - Get HCD's maximum transfer bytes
+ *
+ * The HCD may have limitation on the maximum bytes to be transferred
+ * in a USB transfer. USB class driver needs to be aware of this.
+ *
+ * @dev: USB device
+ * @size: maximum transfer bytes
+ * @return 0 if OK, -ve on error
+ */
+int usb_get_max_xfer_size(struct usb_device *dev, size_t *size);
+
/**
* usb_emul_setup_device() - Set up a new USB device emulation
*
* the USB emulation uclass about the features of the emulator.
*
* @dev: Emulation device
- * @maxpacketsize: Maximum packet size (e.g. PACKET_SIZE_64)
* @strings: List of USB string descriptors, terminated by a NULL
* entry
* @desc_list: List of points or USB descriptors, terminated by NULL.
* The first entry must be struct usb_device_descriptor,
* and others follow on after that.
- * @return 0 if OK, -ve on error
+ * @return 0 if OK, -ENOSYS if not implemented, other -ve on error
*/
-int usb_emul_setup_device(struct udevice *dev, int maxpacketsize,
- struct usb_string *strings, void **desc_list);
+int usb_emul_setup_device(struct udevice *dev, struct usb_string *strings,
+ void **desc_list);
/**
* usb_emul_control() - Send a control packet to an emulator
/**
* usb_emul_find() - Find an emulator for a particular device
*
- * Check @pipe to find a device number on bus @bus and return it.
+ * Check @pipe and @port1 to find a device number on bus @bus and return it.
*
* @bus: USB bus (controller)
* @pipe: Describes pipe being used, and includes the device number
+ * @port1: Describes port number on the parent hub
* @emulp: Returns pointer to emulator, or NULL if not found
* @return 0 if found, -ve on error
*/
-int usb_emul_find(struct udevice *bus, ulong pipe, struct udevice **emulp);
+int usb_emul_find(struct udevice *bus, ulong pipe, int port1,
+ struct udevice **emulp);
/**
* usb_emul_find_for_dev() - Find an emulator for a particular device
*
- * @bus: USB bus (controller)
* @dev: USB device to check
* @emulp: Returns pointer to emulator, or NULL if not found
* @return 0 if found, -ve on error
int usb_emul_find_for_dev(struct udevice *dev, struct udevice **emulp);
/**
- * usb_emul_reset() - Reset all emulators ready for use
+ * usb_emul_find_descriptor() - Find a USB descriptor of a particular device
*
- * Clear out any address information in the emulators and make then ready for
- * a new USB scan
+ * @ptr: a pointer to a list of USB descriptor pointers
+ * @type: type of USB descriptor to find
+ * @index: if @type is USB_DT_CONFIG, this is the configuration value
+ * @return a pointer to the USB descriptor found, NULL if not found
*/
-void usb_emul_reset(struct udevice *dev);
+struct usb_generic_descriptor **usb_emul_find_descriptor(
+ struct usb_generic_descriptor **ptr, int type, int index);
/**
* usb_show_tree() - show the USB device tree
projects / J-u-boot.git / blobdiff