[linux.git] / include / linux / usb / msm_hsusb.h

/* linux/include/asm-arm/arch-msm/hsusb.h
 *
 * Copyright (C) 2008 Google, Inc.
 * Author: Brian Swetland <[email protected]>
 * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#ifndef __ASM_ARCH_MSM_HSUSB_H
#define __ASM_ARCH_MSM_HSUSB_H

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

/**
 * Supported USB modes
 *
 * USB_PERIPHERAL       Only peripheral mode is supported.
 * USB_HOST             Only host mode is supported.
 * USB_OTG              OTG mode is supported.
 *
 */
enum usb_mode_type {
	USB_NONE = 0,
	USB_PERIPHERAL,
	USB_HOST,
	USB_OTG,
};

/**
 * OTG control
 *
 * OTG_NO_CONTROL	Id/VBUS notifications not required. Useful in host
 *                      only configuration.
 * OTG_PHY_CONTROL	Id/VBUS notifications comes form USB PHY.
 * OTG_PMIC_CONTROL	Id/VBUS notifications comes from PMIC hardware.
 * OTG_USER_CONTROL	Id/VBUS notifcations comes from User via sysfs.
 *
 */
enum otg_control_type {
	OTG_NO_CONTROL = 0,
	OTG_PHY_CONTROL,
	OTG_PMIC_CONTROL,
	OTG_USER_CONTROL,
};

/**
 * struct msm_otg_platform_data - platform device data
 *              for msm_otg driver.
 * @phy_init_seq: PHY configuration sequence. val, reg pairs
 *              terminated by -1.
 * @vbus_power: VBUS power on/off routine.
 * @power_budget: VBUS power budget in mA (0 will be treated as 500mA).
 * @mode: Supported mode (OTG/peripheral/host).
 * @otg_control: OTG switch controlled by user/Id pin
 * @default_mode: Default operational mode. Applicable only if
 *              OTG switch is controller by user.
 *
 */
struct msm_otg_platform_data {
	int *phy_init_seq;
	void (*vbus_power)(bool on);
	unsigned power_budget;
	enum usb_mode_type mode;
	enum otg_control_type otg_control;
	enum usb_mode_type default_mode;
	void (*setup_gpio)(enum usb_otg_state state);
};

/**
 * struct msm_otg: OTG driver data. Shared by HCD and DCD.
 * @otg: USB OTG Transceiver structure.
 * @pdata: otg device platform data.
 * @irq: IRQ number assigned for HSUSB controller.
 * @clk: clock struct of usb_hs_clk.
 * @pclk: clock struct of usb_hs_pclk.
 * @phy_reset_clk: clock struct of usb_phy_clk.
 * @core_clk: clock struct of usb_hs_core_clk.
 * @regs: ioremapped register base address.
 * @inputs: OTG state machine inputs(Id, SessValid etc).
 * @sm_work: OTG state machine work.
 * @in_lpm: indicates low power mode (LPM) state.
 * @async_int: Async interrupt arrived.
 *
 */
struct msm_otg {
	struct otg_transceiver otg;
	struct msm_otg_platform_data *pdata;
	int irq;
	struct clk *clk;
	struct clk *pclk;
	struct clk *phy_reset_clk;
	struct clk *core_clk;
	void __iomem *regs;
#define ID		0
#define B_SESS_VLD	1
	unsigned long inputs;
	struct work_struct sm_work;
	atomic_t in_lpm;
	int async_int;
};

#endif
Commit	Line	Data
e0c201f3 PK	1	/* linux/include/asm-arm/arch-msm/hsusb.h
	2	*
	3	* Copyright (C) 2008 Google, Inc.
	4	* Author: Brian Swetland <[email protected]>
	5	* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
	6	*
	7	* This software is licensed under the terms of the GNU General Public
	8	* License version 2, as published by the Free Software Foundation, and
	9	* may be copied, distributed, and modified under those terms.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	*/
	17
	18	#ifndef __ASM_ARCH_MSM_HSUSB_H
	19	#define __ASM_ARCH_MSM_HSUSB_H
	20
	21	#include <linux/types.h>
	22	#include <linux/usb/otg.h>
	23
	24	/**
	25	* Supported USB modes
	26	*
	27	* USB_PERIPHERAL Only peripheral mode is supported.
	28	* USB_HOST Only host mode is supported.
	29	* USB_OTG OTG mode is supported.
	30	*
	31	*/
	32	enum usb_mode_type {
	33	USB_NONE = 0,
	34	USB_PERIPHERAL,
	35	USB_HOST,
	36	USB_OTG,
	37	};
	38
	39	/**
	40	* OTG control
	41	*
	42	* OTG_NO_CONTROL Id/VBUS notifications not required. Useful in host
	43	* only configuration.
	44	* OTG_PHY_CONTROL Id/VBUS notifications comes form USB PHY.
	45	* OTG_PMIC_CONTROL Id/VBUS notifications comes from PMIC hardware.
	46	* OTG_USER_CONTROL Id/VBUS notifcations comes from User via sysfs.
	47	*
	48	*/
	49	enum otg_control_type {
	50	OTG_NO_CONTROL = 0,
	51	OTG_PHY_CONTROL,
	52	OTG_PMIC_CONTROL,
	53	OTG_USER_CONTROL,
	54	};
	55
	56	/**
	57	* struct msm_otg_platform_data - platform device data
dfb2130c	58	* for msm_otg driver.
e0c201f3 PK	59	* @phy_init_seq: PHY configuration sequence. val, reg pairs
	60	* terminated by -1.
	61	* @vbus_power: VBUS power on/off routine.
	62	* @power_budget: VBUS power budget in mA (0 will be treated as 500mA).
	63	* @mode: Supported mode (OTG/peripheral/host).
	64	* @otg_control: OTG switch controlled by user/Id pin
	65	* @default_mode: Default operational mode. Applicable only if
	66	* OTG switch is controller by user.
	67	*
	68	*/
	69	struct msm_otg_platform_data {
	70	int *phy_init_seq;
	71	void (*vbus_power)(bool on);
	72	unsigned power_budget;
	73	enum usb_mode_type mode;
	74	enum otg_control_type otg_control;
	75	enum usb_mode_type default_mode;
	76	void (*setup_gpio)(enum usb_otg_state state);
	77	};
	78
	79	/**
	80	* struct msm_otg: OTG driver data. Shared by HCD and DCD.
	81	* @otg: USB OTG Transceiver structure.
	82	* @pdata: otg device platform data.
	83	* @irq: IRQ number assigned for HSUSB controller.
	84	* @clk: clock struct of usb_hs_clk.
	85	* @pclk: clock struct of usb_hs_pclk.
	86	* @phy_reset_clk: clock struct of usb_phy_clk.
	87	* @core_clk: clock struct of usb_hs_core_clk.
	88	* @regs: ioremapped register base address.
	89	* @inputs: OTG state machine inputs(Id, SessValid etc).
	90	* @sm_work: OTG state machine work.
87c0104a PK	91	* @in_lpm: indicates low power mode (LPM) state.
87c0104a PK	92	* @async_int: Async interrupt arrived.
e0c201f3 PK	93	*
	94	*/
	95	struct msm_otg {
	96	struct otg_transceiver otg;
	97	struct msm_otg_platform_data *pdata;
	98	int irq;
	99	struct clk *clk;
	100	struct clk *pclk;
	101	struct clk *phy_reset_clk;
	102	struct clk *core_clk;
	103	void __iomem *regs;
	104	#define ID 0
	105	#define B_SESS_VLD 1
	106	unsigned long inputs;
	107	struct work_struct sm_work;
87c0104a PK	108	atomic_t in_lpm;
87c0104a PK	109	int async_int;
e0c201f3 PK	110	};
	111
	112	#endif