diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/usb/composite.h | 32 | ||||
| -rw-r--r-- | include/linux/usb/gadget.h | 88 | ||||
| -rw-r--r-- | include/linux/usb/m66592.h | 2 | ||||
| -rw-r--r-- | include/linux/usb/r8a66597.h | 8 | ||||
| -rw-r--r-- | include/linux/usb/renesas_usbhs.h | 17 |
5 files changed, 117 insertions, 30 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index b78cba466d3..a316fba7351 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -59,6 +59,10 @@ struct usb_configuration; * @hs_descriptors: Table of high speed descriptors, using interface and * string identifiers assigned during @bind(). If this pointer is null, * the function will not be available at high speed. + * @ss_descriptors: Table of super speed descriptors, using interface and + * string identifiers assigned during @bind(). If this + * pointer is null after initiation, the function will not + * be available at super speed. * @config: assigned when @usb_add_function() is called; this is the * configuration with which this function is associated. * @bind: Before the gadget can register, all of its functions bind() to the @@ -77,6 +81,10 @@ struct usb_configuration; * @setup: Used for interface-specific control requests. * @suspend: Notifies functions when the host stops sending USB traffic. * @resume: Notifies functions when the host restarts USB traffic. + * @get_status: Returns function status as a reply to + * GetStatus() request when the recepient is Interface. + * @func_suspend: callback to be called when + * SetFeature(FUNCTION_SUSPEND) is reseived * * A single USB function uses one or more interfaces, and should in most * cases support operation at both full and high speeds. Each function is @@ -106,6 +114,7 @@ struct usb_function { struct usb_gadget_strings **strings; struct usb_descriptor_header **descriptors; struct usb_descriptor_header **hs_descriptors; + struct usb_descriptor_header **ss_descriptors; struct usb_configuration *config; @@ -132,6 +141,10 @@ struct usb_function { void (*suspend)(struct usb_function *); void (*resume)(struct usb_function *); + /* USB 3.0 additions */ + int (*get_status)(struct usb_function *); + int (*func_suspend)(struct usb_function *, + u8 suspend_opt); /* private: */ /* internals */ struct list_head list; @@ -145,20 +158,8 @@ int usb_function_activate(struct usb_function *); int usb_interface_id(struct usb_configuration *, struct usb_function *); -/** - * ep_choose - select descriptor endpoint at current device speed - * @g: gadget, connected and running at some speed - * @hs: descriptor to use for high speed operation - * @fs: descriptor to use for full or low speed operation - */ -static inline struct usb_endpoint_descriptor * -ep_choose(struct usb_gadget *g, struct usb_endpoint_descriptor *hs, - struct usb_endpoint_descriptor *fs) -{ - if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH) - return hs; - return fs; -} +int config_ep_by_speed(struct usb_gadget *g, struct usb_function *f, + struct usb_ep *_ep); #define MAX_CONFIG_INTERFACES 16 /* arbitrary; max 255 */ @@ -231,6 +232,7 @@ struct usb_configuration { struct list_head list; struct list_head functions; u8 next_interface_id; + unsigned superspeed:1; unsigned highspeed:1; unsigned fullspeed:1; struct usb_function *interface[MAX_CONFIG_INTERFACES]; @@ -252,6 +254,7 @@ int usb_add_config(struct usb_composite_dev *, * identifiers. * @strings: tables of strings, keyed by identifiers assigned during bind() * and language IDs provided in control requests + * @max_speed: Highest speed the driver supports. * @needs_serial: set to 1 if the gadget needs userspace to provide * a serial number. If one is not provided, warning will be printed. * @unbind: Reverses bind; called as a side effect of unregistering @@ -279,6 +282,7 @@ struct usb_composite_driver { const char *iManufacturer; const struct usb_device_descriptor *dev; struct usb_gadget_strings **strings; + enum usb_device_speed max_speed; unsigned needs_serial:1; int (*unbind)(struct usb_composite_dev *); diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index dd1571db55e..087f4b93183 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -15,7 +15,13 @@ #ifndef __LINUX_USB_GADGET_H #define __LINUX_USB_GADGET_H +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/list.h> #include <linux/slab.h> +#include <linux/types.h> +#include <linux/usb/ch9.h> struct usb_ep; @@ -27,6 +33,7 @@ struct usb_ep; * field, and the usb controller needs one, it is responsible * for mapping and unmapping the buffer. * @length: Length of that data + * @stream_id: The stream id, when USB3.0 bulk streams are being used * @no_interrupt: If true, hints that no completion irq is needed. * Helpful sometimes with deep request queues that are handled * directly by DMA controllers. @@ -81,6 +88,7 @@ struct usb_request { unsigned length; dma_addr_t dma; + unsigned stream_id:16; unsigned no_interrupt:1; unsigned zero:1; unsigned short_not_ok:1; @@ -131,8 +139,17 @@ struct usb_ep_ops { * @maxpacket:The maximum packet size used on this endpoint. The initial * value can sometimes be reduced (hardware allowing), according to * the endpoint descriptor used to configure the endpoint. - * @driver_data:for use by the gadget driver. all other fields are - * read-only to gadget drivers. + * @max_streams: The maximum number of streams supported + * by this EP (0 - 16, actual number is 2^n) + * @mult: multiplier, 'mult' value for SS Isoc EPs + * @maxburst: the maximum number of bursts supported by this EP (for usb3) + * @driver_data:for use by the gadget driver. + * @address: used to identify the endpoint when finding descriptor that + * matches connection speed + * @desc: endpoint descriptor. This pointer is set before the endpoint is + * enabled and remains valid until the endpoint is disabled. + * @comp_desc: In case of SuperSpeed support, this is the endpoint companion + * descriptor that is used to configure the endpoint * * the bus controller driver lists all the general purpose endpoints in * gadget->ep_list. the control endpoint (gadget->ep0) is not in that list, @@ -145,6 +162,12 @@ struct usb_ep { const struct usb_ep_ops *ops; struct list_head ep_list; unsigned maxpacket:16; + unsigned max_streams:16; + unsigned mult:2; + unsigned maxburst:4; + u8 address; + const struct usb_endpoint_descriptor *desc; + const struct usb_ss_ep_comp_descriptor *comp_desc; }; /*-------------------------------------------------------------------------*/ @@ -153,11 +176,8 @@ struct usb_ep { * usb_ep_enable - configure endpoint, making it usable * @ep:the endpoint being configured. may not be the endpoint named "ep0". * drivers discover endpoints through the ep_list of a usb_gadget. - * @desc:descriptor for desired behavior. caller guarantees this pointer - * remains valid until the endpoint is disabled; the data byte order - * is little-endian (usb-standard). * - * when configurations are set, or when interface settings change, the driver + * When configurations are set, or when interface settings change, the driver * will enable or disable the relevant endpoints. while it is enabled, an * endpoint may be used for i/o until the driver receives a disconnect() from * the host or until the endpoint is disabled. @@ -172,10 +192,9 @@ struct usb_ep { * * returns zero, or a negative error code. */ -static inline int usb_ep_enable(struct usb_ep *ep, - const struct usb_endpoint_descriptor *desc) +static inline int usb_ep_enable(struct usb_ep *ep) { - return ep->ops->enable(ep, desc); + return ep->ops->enable(ep, ep->desc); } /** @@ -416,7 +435,16 @@ static inline void usb_ep_fifo_flush(struct usb_ep *ep) /*-------------------------------------------------------------------------*/ +struct usb_dcd_config_params { + __u8 bU1devExitLat; /* U1 Device exit Latency */ +#define USB_DEFULT_U1_DEV_EXIT_LAT 0x01 /* Less then 1 microsec */ + __le16 bU2DevExitLat; /* U2 Device exit Latency */ +#define USB_DEFULT_U2_DEV_EXIT_LAT 0x1F4 /* Less then 500 microsec */ +}; + + struct usb_gadget; +struct usb_gadget_driver; /* the rest of the api to the controller hardware: device operations, * which don't involve endpoints (or i/o). @@ -430,6 +458,16 @@ struct usb_gadget_ops { int (*pullup) (struct usb_gadget *, int is_on); int (*ioctl)(struct usb_gadget *, unsigned code, unsigned long param); + void (*get_config_params)(struct usb_dcd_config_params *); + int (*udc_start)(struct usb_gadget *, + struct usb_gadget_driver *); + int (*udc_stop)(struct usb_gadget *, + struct usb_gadget_driver *); + + /* Those two are deprecated */ + int (*start)(struct usb_gadget_driver *, + int (*bind)(struct usb_gadget *)); + int (*stop)(struct usb_gadget_driver *); }; /** @@ -521,6 +559,24 @@ static inline int gadget_is_dualspeed(struct usb_gadget *g) } /** + * gadget_is_superspeed() - return true if the hardware handles + * supperspeed + * @g: controller that might support supper speed + */ +static inline int gadget_is_superspeed(struct usb_gadget *g) +{ +#ifdef CONFIG_USB_GADGET_SUPERSPEED + /* + * runtime test would check "g->is_superspeed" ... that might be + * useful to work around hardware bugs, but is mostly pointless + */ + return 1; +#else + return 0; +#endif +} + +/** * gadget_is_otg - return true iff the hardware is OTG-ready * @g: controller that might have a Mini-AB connector * @@ -821,6 +877,9 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver, */ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver); +extern int usb_add_gadget_udc(struct device *parent, struct usb_gadget *gadget); +extern void usb_del_gadget_udc(struct usb_gadget *gadget); + /*-------------------------------------------------------------------------*/ /* utility to simplify dealing with string descriptors */ @@ -870,12 +929,6 @@ int usb_gadget_config_buf(const struct usb_config_descriptor *config, struct usb_descriptor_header **usb_copy_descriptors( struct usb_descriptor_header **); -/* return copy of endpoint descriptor given original descriptor set */ -struct usb_endpoint_descriptor *usb_find_endpoint( - struct usb_descriptor_header **src, - struct usb_descriptor_header **copy, - struct usb_endpoint_descriptor *match); - /** * usb_free_descriptors - free descriptors returned by usb_copy_descriptors() * @v: vector of descriptors @@ -892,6 +945,11 @@ static inline void usb_free_descriptors(struct usb_descriptor_header **v) extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *, struct usb_endpoint_descriptor *); + +extern struct usb_ep *usb_ep_autoconfig_ss(struct usb_gadget *, + struct usb_endpoint_descriptor *, + struct usb_ss_ep_comp_descriptor *); + extern void usb_ep_autoconfig_reset(struct usb_gadget *); #endif /* __LINUX_USB_GADGET_H */ diff --git a/include/linux/usb/m66592.h b/include/linux/usb/m66592.h index cda9625e7df..a4ba31ab2fe 100644 --- a/include/linux/usb/m66592.h +++ b/include/linux/usb/m66592.h @@ -38,6 +38,8 @@ struct m66592_platdata { /* (external controller only) one = 3.3V, zero = 1.5V */ unsigned vif:1; + /* (external controller only) set one = WR0_N shorted to WR1_N */ + unsigned wr0_shorted_to_wr1:1; }; #endif /* __LINUX_USB_M66592_H */ diff --git a/include/linux/usb/r8a66597.h b/include/linux/usb/r8a66597.h index 26d21673405..b6b8660d0c6 100644 --- a/include/linux/usb/r8a66597.h +++ b/include/linux/usb/r8a66597.h @@ -3,7 +3,7 @@ * * Copyright (C) 2009 Renesas Solutions Corp. * - * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> + * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -31,6 +31,9 @@ struct r8a66597_platdata { /* This callback can control port power instead of DVSTCTR register. */ void (*port_power)(int port, int power); + /* This parameter is for BUSWAIT */ + u16 buswait; + /* set one = on chip controller, set zero = external controller */ unsigned on_chip:1; @@ -42,6 +45,9 @@ struct r8a66597_platdata { /* set one = big endian, set zero = little endian */ unsigned endian:1; + + /* (external controller only) set one = WR0_N shorted to WR1_N */ + unsigned wr0_shorted_to_wr1:1; }; /* Register definitions */ diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h index 3a7f1d982dd..8977431259c 100644 --- a/include/linux/usb/renesas_usbhs.h +++ b/include/linux/usb/renesas_usbhs.h @@ -110,6 +110,23 @@ struct renesas_usbhs_driver_param { * delay time from notify_hotplug callback */ int detection_delay; + + /* + * option: + * + * dma id for dmaengine + */ + int d0_tx_id; + int d0_rx_id; + int d1_tx_id; + int d1_rx_id; + + /* + * option: + * + * pio <--> dma border. + */ + int pio_dma_border; /* default is 64byte */ }; /* |