/*********************************************************************************
 *
 *  Copyright (C) 2013 AMLOGIC, INC.
 *
 *
 * 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
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *
 **********************************************************************************/


#ifndef __ARCH_ARM_MESON_USB_H_U_BOOT__
#define __ARCH_ARM_MESON_USB_H_U_BOOT__

#include <common.h>
#include <asm/types.h>
#include <asm/arch/io.h>

#define USB_PHY_PORT_A	    (0x40000)
#define USB_PHY_PORT_B	    (0xc0000)
#define USB_PHY_PORT_C	    (0x100000)
#define USB_PHY_PORT_D	    (0x140000)
#define USB_PHY_PORT_MSK	(0x1f0000)
#define USB_PHY_PORT_MAX	2
#define PREI_USB_PHY_REG_A     0x2200
#define PREI_USB_PHY_REG_B     0x2208
//#define PREI_USB_PHY_REG_C     0x2210
//#define PREI_USB_PHY_REG_D     0x2218
typedef struct usb_peri_reg {
	volatile uint32_t config; 
	volatile uint32_t ctrl;      
	volatile uint32_t endp_intr; 
	volatile uint32_t adp_bc;    
	volatile uint32_t dbg_uart;  
	volatile uint32_t test;
	volatile uint32_t tune;
	volatile uint32_t reserved;
} usb_peri_reg_t;

typedef union usb_config_data {
    /** raw register data */
    uint32_t d32;
    /** register bits */
    struct {
        unsigned clk_en:1;
        unsigned clk_sel:3;
        unsigned clk_div:7;
        unsigned reserved0:4;
        unsigned clk_32k_alt_sel:1;
        unsigned reserved1:15;
        unsigned test_trig:1;
    } b;
} usb_config_data_t;

typedef union usb_ctrl_data {
    /** raw register data */
    uint32_t d32;
    /** register bits */
    struct {
        unsigned soft_prst:1;
        unsigned soft_hreset:1;
        unsigned ss_scaledown_mode:2;
        unsigned clk_det_rst:1;
        unsigned intr_sel:1;
        unsigned reserved:2;
        unsigned clk_detected:1;
        unsigned sof_sent_rcvd_tgl:1; 
        unsigned sof_toggle_out:1; 
        unsigned not_used:4;
        unsigned por:1;
        unsigned sleepm:1;
        unsigned txbitstuffennh:1;
        unsigned txbitstuffenn:1;
        unsigned commononn:1; 
        unsigned refclksel:2; 
        unsigned fsel:3;
        unsigned portreset:1;
        unsigned thread_id:6;
    } b;
} usb_ctrl_data_t;

typedef union usb_endp_intr_data {
    /** raw register data */
    uint32_t d32;
    /** register bits */
    struct {
        unsigned int0:1;
        unsigned int1:1;
        unsigned int2:1;
        unsigned int3:1;
        unsigned int4:1;
        unsigned int5:1;
        unsigned int6:1;
        unsigned int7:1;
        unsigned int8:1;
        unsigned int9:1;
        unsigned int10:1;
        unsigned int11:1;
        unsigned int12:1;
        unsigned int13:1;
        unsigned int14:1;
        unsigned int15:1;
        unsigned int16:1;
        unsigned int17:1;
        unsigned int18:1;
        unsigned int19:1;
        unsigned int20:1;
        unsigned int21:1;
        unsigned int22:1;
        unsigned int23:1;
        unsigned int24:1;
        unsigned int25:1;
        unsigned int26:1;
        unsigned int27:1;
        unsigned int28:1;
        unsigned int29:1;
        unsigned int30:1;
        unsigned int31:1;
    } b;
} usb_endp_intr_data_t;

typedef union usb_adp_bc_data {
    /** raw register data */
    uint32_t d32;
    /** register bits */
    struct {
	unsigned vbusvldextsel:1;
	unsigned vbusvldext:1; 
	unsigned otgdisable:1; 
	unsigned idpullup:1; 
	unsigned drvvbus:1; 
	unsigned adp_prb_en:1; 
	unsigned adp_dischrg:1; 
	unsigned adp_chrg:1; 
	unsigned sessend:1;
	unsigned device_sess_vld:1;
	unsigned bvalid:1;  
	unsigned avalid:1; 
	unsigned iddig:1; 
	unsigned vbusvalid:1; 
	unsigned adp_probe:1;
	unsigned adp_sense:1;  
	unsigned aca_enable:1;
	unsigned dcd_enable:1; 
	unsigned vdatdetenb:1; 
	unsigned vdatsrcenb:1; 
	unsigned chrgsel:1; 
	unsigned chg_det:1;
	unsigned aca_pin_range_c:1; 
	unsigned aca_pin_range_b:1; 
	unsigned aca_pin_range_a:1; 
	unsigned aca_pin_gnd:1; 
	unsigned aca_pin_float:1; 
	unsigned not_used:5;
    } b;
} usb_adp_bc_data_t;

typedef union usb_dbg_uart_data {
    /** raw register data */
    uint32_t d32;
    /** register bits */
    struct {
	unsigned bypass_sel:1;
	unsigned bypass_dm_en:1; 
	unsigned bypass_dp_en:1; 
	unsigned bypass_dm_data:1; 
	unsigned bypass_dp_data:1; 
	unsigned fsv_minus:1;
	unsigned fsv_plus:1;
	unsigned burn_in_test:1; 
	unsigned loopbackenb:1; 
	unsigned set_iddq:1; 
	unsigned ate_reset:1; 
	unsigned reserved:4;
	unsigned not_used:17; 
    } b;
} usb_dbg_uart_data_t;

typedef union phy_test_data {
    /** raw register data */
    uint32_t d32;
    /** register bits */
    struct {
	unsigned data_in:4;
	unsigned data_in_en:4;
	unsigned addr:4;
	unsigned data_out_sel:1; 
	unsigned clk:1;
	unsigned vatestenb:2;
	unsigned data_out:4;
	unsigned not_used:12;
    } b;
} phy_test_data_t;

typedef union phy_tune_data {
    /** raw register data */
    uint32_t d32;
    /** register bits */
    struct {
	unsigned tx_res_tune:2;
	unsigned tx_hsxv_tune:2; 
	unsigned tx_vref_tune:4; 
	unsigned tx_rise_tune:2;
	unsigned tx_preemp_pulse_tune:1; 
	unsigned tx_preemp_amp_tune:2; 
	unsigned tx_fsls_tune:4;
	unsigned sqrx_tune:3; 
	unsigned otg_tune:3;
	unsigned comp_dis_tune:3;  
	unsigned not_used:6;
    } b;
} phy_tune_data_t;


/*
 * Clock source index must sync with chip's spec
 * M1/M2/M3/M6/M8 are different!
 * This is only for M8
 */ 
#define USB_PHY_CLK_SEL_XTAL	0

#define USB_PHY_A_INTR_BIT	(1 << 30)
#define USB_PHY_B_INTR_BIT	(1 << 31)

/* usb id mode, only after M2
	 mode = 0 : HARDWARE
	 mode = 1 : SW_HOST
	 mode = 2 : SW_DEVICE
 */
#define USB_ID_MODE_HARDWARE    (1)
#define USB_ID_MODE_SW_HOST     (2)
#define USB_ID_MODE_SW_DEVICE   (3) 

typedef struct amlogic_usb_config{
	/* clock info */
	int clk_selecter; // usb USB_PHY_CLOCK_SEL_xxx
	int pll_divider;  // when other/ddr/demod pll used, fill this
	
	/* controller */
	unsigned int base_addr;
	
	/* role */
	int id_mode; // only used after M2
	
	/* vbus call back */
	void (* set_vbus_power)(char is_power_on);

	/* battery charging detect call back */
	int(* battery_charging_det_cb)(char bc_mode);
#define BC_MODE_UNKNOWN	0
#define BC_MODE_SDP		1	/* Standard Downstream Port */
#define BC_MODE_DCP		2	/* Dedicated Charging Port */
#define BC_MODE_CDP		3	/* Charging Downstream Port */
	
}amlogic_usb_config_t;

#define BOARD_USB_MODE_HOST	0
#define BOARD_USB_MODE_SLAVE	1
#define BOARD_USB_MODE_CHARGER	2
#define BOARD_USB_MODE_MAX	3
amlogic_usb_config_t * board_usb_start(int mode,int index);
int board_usb_stop(int mode,int index);
void board_usb_init(amlogic_usb_config_t * usb_cfg,int mode);
int get_usb_count(void);
#endif //__ARCH_ARM_MESON_USB_H_U_BOOT__
