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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * 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 */
#define CI_HDRC_REQUIRES_ALIGNED_DMA	BIT(13)
	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

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association.h File 4.59 KB 0644
atmel_usba_udc.h File 421 B 0644
audio-v2.h File 13.17 KB 0644
audio.h File 1.23 KB 0644
c67x00.h File 1.82 KB 0644
cdc-wdm.h File 651 B 0644
cdc.h File 1.48 KB 0644
cdc_ncm.h File 5.56 KB 0644
ch9.h File 2.5 KB 0644
chipidea.h File 2.77 KB 0644
composite.h File 25.17 KB 0644
ehci-dbgp.h File 2.05 KB 0644
ehci_def.h File 7.89 KB 0644
ehci_pdriver.h File 2.31 KB 0644
ezusb.h File 286 B 0644
functionfs.h File 151 B 0644
g_hid.h File 1.13 KB 0644
gadget.h File 32.65 KB 0644
gadget_configfs.h File 2.94 KB 0644
gpio_vbus.h File 1.13 KB 0644
hcd.h File 25.93 KB 0644
input.h File 716 B 0644
iowarrior.h File 1.34 KB 0644
irda.h File 3.76 KB 0644
isp116x.h File 1.13 KB 0644
isp1301.h File 2.38 KB 0644
isp1362.h File 1.59 KB 0644
isp1760.h File 633 B 0644
m66592.h File 1.41 KB 0644
musb-ux500.h File 899 B 0644
musb.h File 4.59 KB 0644
net2280.h File 23.55 KB 0644
of.h File 1.46 KB 0644
ohci_pdriver.h File 1.71 KB 0644
otg-fsm.h File 8.61 KB 0644
otg.h File 3.01 KB 0644
pd.h File 8.98 KB 0644
pd_bdo.h File 1011 B 0644
pd_vdo.h File 7.58 KB 0644
phy.h File 9.25 KB 0644
phy_companion.h File 1.17 KB 0644
quirks.h File 2.34 KB 0644
r8a66597.h File 17.65 KB 0644
renesas_usbhs.h File 4.76 KB 0644
rndis_host.h File 5.94 KB 0644
samsung_usb_phy.h File 530 B 0644
serial.h File 17.12 KB 0644
sl811.h File 838 B 0644
storage.h File 2.58 KB 0644
tcpm.h File 6.46 KB 0644
tegra_usb_phy.h File 2.38 KB 0644
tilegx.h File 983 B 0644
typec.h File 7.04 KB 0644
uas.h File 2.07 KB 0644
ulpi.h File 1.99 KB 0644
usb338x.h File 7.63 KB 0644
usb_phy_generic.h File 892 B 0644
usbnet.h File 10.01 KB 0644
wusb-wa.h File 7.5 KB 0644
wusb.h File 9.92 KB 0644
xhci-dbgp.h File 825 B 0644