Merge "USB: phy: msm: Remove ACA and SRP, HNP related code"

		[OTG_STATE_B_IDLE] = "b_idle",

		[OTG_STATE_B_SRP_INIT] = "b_srp_init",

		[OTG_STATE_B_PERIPHERAL] = "b_peripheral",

		[OTG_STATE_B_CHARGER] = "b_charger",

		[OTG_STATE_B_WAIT_ACON] = "b_wait_acon",

		[OTG_STATE_B_HOST] = "b_host",

		[OTG_STATE_B_SUSPEND] = "b_suspend",

 * PHY used in

 *

 * INVALID_PHY			Unsupported PHY

 * CI_45NM_INTEGRATED_PHY	Chipidea 45nm integrated PHY

 * SNPS_28NM_INTEGRATED_PHY	Synopsis 28nm integrated PHY

 * CI_PHY                      Chipidea PHY

 * SNPS_PICO_PHY               Synopsis Pico PHY

 * SNPS_FEMTO_PHY              Synopsis Femto PHY

 * QUSB_ULPI_PHY

 *

 */

enum msm_usb_phy_type {

	INVALID_PHY = 0,

	CI_45NM_INTEGRATED_PHY, /* not supported */

	SNPS_28NM_INTEGRATED_PHY,

	CI_PHY,			/* not supported */

	SNPS_PICO_PHY,

	SNPS_FEMTO_PHY,

	QUSB_ULPI_PHY,

};

#define IDEV_CHG_MAX	1500

#define IDEV_CHG_MIN	500

#define IUNIT		100

#define IDEV_ACA_CHG_MAX	1500

#define IDEV_ACA_CHG_LIMIT	500

#define IDEV_HVDCP_CHG_MAX	1800

/**

 * Different states involved in USB charger detection.

 * USB_DCP_CHARGER	Dedicated charger port (AC charger/ Wall charger).

 * USB_CDP_CHARGER	Charging downstream port. Enumeration can happen and

 *                      IDEV_CHG_MAX can be drawn irrespective of USB state.

 * USB_ACA_A_CHARGER	B-device is connected on accessory port with charger

 *                      connected on charging port. This configuration allows

 *                      charging in host mode.

 * USB_ACA_B_CHARGER	No device (or A-device without VBUS) is connected on

 *                      accessory port with charger connected on charging port.

 * USB_ACA_C_CHARGER	A-device (with VBUS) is connected on

 *                      accessory port with charger connected on charging port.

 * USB_ACA_DOCK_CHARGER	A docking station that has one upstream port and one

 *			or more downstream ports. Capable of supplying

 *			IDEV_CHG_MAX irrespective of devices connected on

 *			accessory ports.

 * USB_PROPRIETARY_CHARGER A proprietary charger pull DP and DM to specific

 *			voltages between 2.0-3.3v for identification.

 *

	USB_SDP_CHARGER,

	USB_DCP_CHARGER,

	USB_CDP_CHARGER,

	USB_ACA_A_CHARGER,

	USB_ACA_B_CHARGER,

	USB_ACA_C_CHARGER,

	USB_ACA_DOCK_CHARGER,

	USB_PROPRIETARY_CHARGER,

	USB_FLOATED_CHARGER,

};

	NUM_CTRL,

};

/**

 * USB ID state

 */

enum usb_id_state {

	USB_ID_GROUND = 0,

	USB_ID_FLOAT,

};

/**

 * struct msm_otg_platform_data - platform device data

 *              for msm_otg driver.

 * @bool disable_retention_with_vdd_min: Indicates whether to enable

		allowing VDDmin without putting PHY into retention.

 * @usb_id_gpio: Gpio used for USB ID detection.

 * @hub_reset_gpio: Gpio used for hub reset.

 * @switch_sel_gpio: Gpio used for controlling switch that

		routing D+/D- from the USB HUB to the USB jack type B

		for peripheral mode.

 * @bool phy_dvdd_always_on: PHY DVDD is supplied by always on PMIC LDO.

 * @bool emulation: Indicates whether we are running on emulation platform.

 * @bool enable_streaming: Indicates whether streaming to be enabled by default.

 * @bool enable_axi_prefetch: Indicates whether AXI Prefetch interface is used

		for improving data performance.

 */

struct msm_otg_platform_data {

	int *phy_init_seq;

	int phy_init_sz;

	int (*vbus_power)(bool on);

	unsigned power_budget;

	enum usb_dr_mode mode;

	enum usb_mode_type mode;

	enum otg_control_type otg_control;

	enum usb_dr_mode default_mode;

	enum usb_mode_type default_mode;

	enum msm_usb_phy_type phy_type;

	void (*setup_gpio)(enum usb_otg_state state);

	int (*link_clk_reset)(struct clk *link_clk, bool assert);

	bool enable_ahb2ahb_bypass;

	bool disable_retention_with_vdd_min;

	int usb_id_gpio;

	int hub_reset_gpio;

	int switch_sel_gpio;

	bool phy_dvdd_always_on;

	bool emulation;

	bool enable_streaming;

	bool enable_axi_prefetch;

	struct clk *system_clk;

};

/* phy related flags */

#define PHY_CHARGER_CONNECTED		BIT(3)

#define PHY_VBUS_VALID_OVERRIDE		BIT(4)

/* Timeout (in msec) values (min - max) associated with OTG timers */

#define TA_WAIT_VRISE	100	/* ( - 100)  */

#define TA_WAIT_VFALL	500	/* ( - 1000) */

/*

 * This option is set for embedded hosts or OTG devices in which leakage

 * currents are very minimal.

 */

#ifdef CONFIG_USB_OTG

#define TA_WAIT_BCON	30000	/* (1100 - 30000) */

#else

#define TA_WAIT_BCON	-1

#endif

#define TA_AIDL_BDIS	500	/* (200 - ) */

#define TA_BIDL_ADIS	155	/* (155 - 200) */

#define TB_SRP_FAIL	6000	/* (5000 - 6000) */

#define TB_ASE0_BRST	200	/* (155 - ) */

/* TB_SSEND_SRP and TB_SE0_SRP are combined */

#define TB_SRP_INIT	2000	/* (1500 - ) */

#define TA_TST_MAINT	10100	/* (9900 - 10100) */

#define TB_TST_SRP	3000	/* ( - 5000) */

#define TB_TST_CONFIG	300

/* Timeout variables */

#define A_WAIT_VRISE	0

#define A_WAIT_VFALL	1

#define A_WAIT_BCON	2

#define A_AIDL_BDIS	3

#define A_BIDL_ADIS	4

#define B_SRP_FAIL	5

#define B_ASE0_BRST	6

#define A_TST_MAINT	7

#define B_TST_SRP	8

#define B_TST_CONFIG	9

#define USB_NUM_BUS_CLOCKS      3

/**

 * struct msm_otg: OTG driver data. Shared by HCD and DCD.

 * @pdata: otg device platform data.

 * @irq: IRQ number assigned for HSUSB controller.

 * @async_irq: IRQ number used by some controllers during low power state

 * @phy_irq: IRQ number assigned for PHY to notify events like id and line

		state changes.

 * @clk: clock struct of usb_hs_clk.

 * @phy_reset_clk: clock struct of usb_phy_clk.

 * @pclk: clock struct of iface_clk.

 * @core_clk: clock struct of core_bus_clk.

 * @sleep_clk: clock struct of sleep_clk for USB PHY.

 * @phy_reset_clk: clock struct of phy_reset_clk for USB PHY. This clock is

		a reset only clock and resets the PHY, ULPI bridge and

		CSR wrapper.

 * @phy_por_clk: clock struct of phy_por_clk for USB PHY. This clock is

		a reset only clock and resets only the PHY (POR).

 * @phy_csr_clk: clock struct of phy_csr_clk for USB PHY. This clock is

		required to access PHY CSR registers via AHB2PHY interface.

 * @bus_clks: bimc/snoc/pcnoc clock struct.

 * @core_clk_rate: core clk max frequency

 * @regs: ioremapped register base address.

 * @usb_phy_ctrl_reg: relevant PHY_CTRL_REG register base address.

 * @in_lpm: indicates low power mode (LPM) state.

 * @async_int: IRQ line on which ASYNC interrupt arrived in LPM.

 * @cur_power: The amount of mA available from downstream port.

 * @otg_wq: Strict order otg workqueue for OTG works (SM/ID/SUSPEND).

 * @chg_work: Charger detection work.

 * @chg_state: The state of charger detection process.

 * @chg_type: The type of charger attached.

 *               detection process.

 * @wlock: Wake lock struct to prevent system suspend when

 *               USB is active.

 * @usbdev_nb: The notifier block used to know about the B-device

 *             connected. Useful only when ACA_A charger is

 *             connected.

 * @mA_port: The amount of current drawn by the attached B-device.

 * @id_timer: The timer used for polling ID line to detect ACA states.

 * @xo_handle: TCXO buffer handle

 * @bus_perf_client: Bus performance client handle to request BUS bandwidth

 * @mhl_enabled: MHL driver registration successful and MHL enabled.

 * @host_bus_suspend: indicates host bus suspend or not.

 * @device_bus_suspend: indicates device bus suspend or not.

 * @bus_clks_enabled: indicates pcnoc/snoc/bimc clocks are on or not.

 * @chg_check_timer: The timer used to implement the workaround to detect

 *               very slow plug in of wall charger.

 * @ui_enabled: USB Intterupt is enabled or disabled.

 * @is_ext_chg_dcp: To indicate whether charger detected by external entity

		SMB hardware is DCP charger or not.

 * @pm_done: It is used to increment the pm counter using pm_runtime_get_sync.

	     This handles the race case when PM resume thread returns before

	     the charger detection starts. When USB is disconnected and in lpm

	     pm_done is set to true.

 * @ext_id_irq: IRQ for ID interrupt.

 * @phy_irq_pending: Gets set when PHY IRQ arrives in LPM.

 * host_suspend_wait: wait_queue on which USB core waits for USB entering lpm

	     in host bus suspend case.

 * @id_state: Indicates USBID line status.

 * @rm_pulldown: Indicates pulldown status on D+ and D- data lines.

 * @dbg_idx: Dynamic debug buffer Index.

 * @dbg_lock: Dynamic debug buffer Lock.

 * @buf: Dynamic Debug Buffer.

 * @max_nominal_system_clk_rate: max freq at which system clock can run in

		nominal mode.

 */

struct msm_otg {

	struct usb_phy phy;

	struct platform_device *pdev;

	int irq;

	int async_irq;

	int phy_irq;

	struct clk *clk;

	struct clk *xo_clk;

	struct clk *pclk;

	struct clk *phy_reset_clk;

	struct clk *core_clk;

	struct clk *sleep_clk;

	struct clk *phy_reset_clk;

	struct clk *phy_por_clk;

	struct clk *phy_csr_clk;

	struct clk *bus_clks[USB_NUM_BUS_CLOCKS];

	struct clk *phy_ref_clk;

	long core_clk_rate;

	struct resource *io_res;

	void __iomem *regs;

	void __iomem *phy_csr_regs;

	void __iomem *usb_phy_ctrl_reg;

#define ID		0

#define B_SESS_VLD	1

#define ID_A		2

#define ID_B		3

#define ID_C		4

#define A_BUS_DROP	5

#define A_BUS_REQ	6

#define A_SRP_DET	7

#define A_VBUS_VLD	8

#define B_CONN		9

#define ADP_CHANGE	10

#define POWER_UP	11

#define A_CLR_ERR	12

#define A_BUS_RESUME	13

#define A_BUS_SUSPEND	14

#define A_CONN		15

#define B_BUS_REQ	16

#define MHL	        17

#define B_FALSE_SDP	18

	unsigned long inputs;

	struct notifier_block pm_notify;

	atomic_t in_lpm;

	atomic_t set_fpr_with_lpm_exit;

	bool err_event_seen;

	int async_int;

	unsigned cur_power;

	int phy_number;

	struct workqueue_struct *otg_wq;

	struct delayed_work chg_work;

	struct delayed_work id_status_work;

	struct delayed_work suspend_work;

	int vdd_levels[3];

	unsigned dcd_time;

	struct wake_lock wlock;

	struct notifier_block usbdev_nb;

	unsigned mA_port;

	struct timer_list id_timer;

	unsigned long caps;

	struct msm_xo_voter *xo_handle;

	uint32_t bus_perf_client;

	bool mhl_enabled;

	bool host_bus_suspend;

	bool device_bus_suspend;

	bool bus_clks_enabled;

	struct timer_list chg_check_timer;

	/*

	 * Allowing PHY power collpase turns off the HSUSB 3.3v and 1.8v

	* for fixing PHY current leakage issue when LDOs ar turned off.

	*/

#define ALLOW_VDD_MIN_WITH_RETENTION_DISABLED BIT(5)

	/*

	 * PHY can keep D+ pull-up during peripheral bus suspend and

	 * D+/D- pull-down during host bus suspend without any

	 * re-work. This is possible only when PHY DVDD is supplied

	 * by a PMIC LDO (unlike VDDCX/VDDMX).

	 */

#define ALLOW_BUS_SUSPEND_WITHOUT_REWORK BIT(6)

	unsigned long lpm_flags;

#define PHY_PWR_COLLAPSED		BIT(0)

#define PHY_RETENTIONED			BIT(1)

#define CLOCKS_DOWN			BIT(3)

#define PHY_REGULATORS_LPM	BIT(4)

	int reset_counter;

	unsigned long b_last_se0_sess;

	unsigned long tmouts;

	u8 active_tmout;

	struct hrtimer timer;

	struct power_supply usb_psy;

	unsigned int online;

	unsigned int host_mode;

	struct completion ext_chg_wait;

	struct pinctrl *phy_pinctrl;

	int ui_enabled;

	bool is_ext_chg_dcp;

	bool pm_done;

	struct qpnp_vadc_chip	*vadc_dev;

	int ext_id_irq;

	bool phy_irq_pending;

	wait_queue_head_t	host_suspend_wait;

	enum usb_id_state id_state;

	bool rm_pulldown;

/* Maximum debug message length */

#define DEBUG_MSG_LEN   128UL

/* Maximum number of messages */

#define DEBUG_MAX_MSG   256UL

	unsigned int dbg_idx;

	rwlock_t dbg_lock;

	char (buf[DEBUG_MAX_MSG])[DEBUG_MSG_LEN];   /* buffer */

	u32 max_nominal_system_clk_rate;

};

struct ci13xxx_platform_data {

	int resume_gpio;

	int ext_hub_reset_gpio;

	bool is_uicc;

	int pm_qos_latency;

};

/**

#ifdef CONFIG_USB_DWC3_MSM

int msm_ep_config(struct usb_ep *ep);

int msm_ep_unconfig(struct usb_ep *ep);

void dwc3_tx_fifo_resize_request(struct usb_ep *ep, bool qdss_enable);

int msm_data_fifo_config(struct usb_ep *ep, phys_addr_t addr, u32 size,

	u8 dst_pipe_idx);

bool msm_dwc3_reset_ep_after_lpm(struct usb_gadget *gadget);

	return -ENODEV;

}

static inline void dwc3_tx_fifo_resize_request(

					struct usb_ep *ep, bool qdss_enable)

{

}

static inline void msm_dwc3_restart_usb_session(struct usb_gadget *gadget)

{

	return;

#define ULPI_MISC_A_VBUSVLDEXT		BIT(0)

#define ULPI_MISC_A_VBUSVLDEXTSEL	BIT(1)

#define PHY_ALT_INT		(1 << 28) /* PHY alternate interrupt */

#define ASYNC_INTR_CTRL         (1 << 29) /* Enable async interrupt */

#define ULPI_STP_CTRL           (1 << 30) /* Block communication with PHY */

#define PHY_RETEN               (1 << 1) /* PHY retention enable/disable */

#define PHY_POR_ASSERT		(1 << 0) /* USB2 28nm PHY POR ASSERT */

#define PHY_POR_DEASSERT	(0 << 0) /* USB2 28nm PHY POR DEASSERT */

#define STS_PCI                 (1 << 2) /* R/WC - Port Change Detect */

#define STS_URI                 (1 << 6) /* R/WC - RESET recv'd */

#define STS_SLI                 (1 << 8) /* R/WC - suspend state entered */

/* OTG definitions */

#define OTGSC_INTSTS_MASK	(0x7f << 16)

#define OTGSC_IDPU		(1 << 5)

#define OTGSC_BSVIS		(1 << 19)

#define OTGSC_IDIE		(1 << 24)

#define OTGSC_BSVIE		(1 << 27)

#define OTGSC_DPIE		(1 << 30)

#define OTGSC_DPIS		(1 << 22)

/* OTG interrupt status mask */

#define OTG_USBSTS_MASK		(STS_PCI | STS_URI | STS_SLI | PHY_ALT_INT)

#define OTG_OTGSTS_MASK		(OTGSC_IDIS | OTGSC_BSVIS | OTGSC_DPIS)

/* USB PHY CSR registers and bit definitions */

	OTG_STATE_B_SRP_INIT,

	OTG_STATE_B_PERIPHERAL,

	OTG_STATE_B_SUSPEND,

	OTG_STATE_B_CHARGER,

	/* extra dual-role default-b states */

	OTG_STATE_B_WAIT_ACON,

	/* reset the PHY clocks */

	int	(*reset)(struct usb_phy *x);

	/* for notification of usb_phy_dbg_events */

	void    (*dbg_event)(struct usb_phy *x,

			char *event, int msg1, int msg2);

};

/**

		return 0;

}

static inline void

usb_phy_dbg_events(struct usb_phy *x,

		char *event, int msg1, int msg2)

{

	if (x && x->dbg_event)

		x->dbg_event(x, event, msg1, msg2);

}

/* notifiers */

static inline int

usb_register_notifier(struct usb_phy *x, struct notifier_block *nb)