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Release 4.12 include/linux/usb/chipidea.h

/*
 * Platform data for the chipidea USB dual role controller
 */

#ifndef __LINUX_USB_CHIPIDEA_H

#define __LINUX_USB_CHIPIDEA_H

#include <linux/extcon.h>
#include <linux/usb/otg.h>

struct ci_hdrc;

/**
 * struct ci_hdrc_cable - structure for external connector cable state tracking
 * @connected: true if cable is connected, false otherwise
 * @changed: set to true when extcon event happen
 * @enabled: set to true if we've enabled the vbus or id interrupt
 * @edev: device which generate events
 * @ci: driver state of the chipidea device
 * @nb: hold event notification callback
 * @conn: used for notification registration
 */

struct ci_hdrc_cable {
	
bool				connected;
	
bool				changed;
	
bool				enabled;
	
struct extcon_dev		*edev;
	
struct ci_hdrc			*ci;
	
struct notifier_block		nb;
};


struct ci_hdrc_platform_data {
	
const char	*name;
	/* offset of the capability registers */
	
uintptr_t	 capoffset;
	
unsigned	 power_budget;
	
struct phy	*phy;
	/* old usb_phy interface */
	
struct usb_phy	*usb_phy;
	
enum usb_phy_interface phy_mode;
	
unsigned long	 flags;

#define CI_HDRC_REGS_SHARED		BIT(0)

#define CI_HDRC_DISABLE_DEVICE_STREAMING	BIT(1)

#define CI_HDRC_SUPPORTS_RUNTIME_PM	BIT(2)

#define CI_HDRC_DISABLE_HOST_STREAMING	BIT(3)

#define CI_HDRC_DISABLE_STREAMING (CI_HDRC_DISABLE_DEVICE_STREAMING |     \
                CI_HDRC_DISABLE_HOST_STREAMING)
	/*
         * Only set it when DCCPARAMS.DC==1 and DCCPARAMS.HC==1,
         * but otg is not supported (no register otgsc).
         */

#define CI_HDRC_DUAL_ROLE_NOT_OTG	BIT(4)

#define CI_HDRC_IMX28_WRITE_FIX		BIT(5)

#define CI_HDRC_FORCE_FULLSPEED		BIT(6)

#define CI_HDRC_TURN_VBUS_EARLY_ON	BIT(7)

#define CI_HDRC_SET_NON_ZERO_TTHA	BIT(8)

#define CI_HDRC_OVERRIDE_AHB_BURST	BIT(9)

#define CI_HDRC_OVERRIDE_TX_BURST	BIT(10)

#define CI_HDRC_OVERRIDE_RX_BURST	BIT(11)

#define CI_HDRC_OVERRIDE_PHY_CONTROL	BIT(12) /* Glue layer manages phy */
	
enum usb_dr_mode	dr_mode;

#define CI_HDRC_CONTROLLER_RESET_EVENT		0

#define CI_HDRC_CONTROLLER_STOPPED_EVENT	1
	
int	(*notify_event) (struct ci_hdrc *ci, unsigned event);
	
struct regulator	*reg_vbus;
	
struct usb_otg_caps	ci_otg_caps;
	
bool			tpl_support;
	/* interrupt threshold setting */
	
u32			itc_setting;
	
u32			ahb_burst_config;
	
u32			tx_burst_size;
	
u32			rx_burst_size;

	/* VBUS and ID signal state tracking, using extcon framework */
	
struct ci_hdrc_cable		vbus_extcon;
	
struct ci_hdrc_cable		id_extcon;
	
u32			phy_clkgate_delay_us;
};

/* Default offset of capability registers */

#define DEF_CAPOFFSET		0x100

/* Add ci hdrc device */
struct platform_device *ci_hdrc_add_device(struct device *dev,
			struct resource *res, int nres,
			struct ci_hdrc_platform_data *platdata);
/* Remove ci hdrc device */
void ci_hdrc_remove_device(struct platform_device *pdev);

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Alexander Shishkin7128.98%310.34%
Peter Chen5924.08%1034.48%
Richard Zhao3815.51%310.34%
Ivan T. Ivanov3614.69%13.45%
Stephen Boyd114.49%413.79%
Li Jun83.27%26.90%
Michael Grzeschik83.27%26.90%
Antoine Ténart72.86%26.90%
Sascha Hauer41.63%13.45%
Fabio Estevam31.22%13.45%
Total245100.00%29100.00%
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