/*
 * include/linux/amlogic/usb-meson8.h
 *
 * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
 *
 * 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.
 *
*/

#ifndef __USB_CLK_MESON8_HEADER_
#define __USB_CLK_MESON8_HEADER_

#include <linux/platform_device.h>


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 disable_idpull_up:1;
		unsigned not_used:11;
    } 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 host_dmpulldown:1;
		unsigned host_dppulldown:1;
		unsigned not_used:4;
    } b;
} phy_tune_data_t;


/*
 * Clock source index must sync with chip's spec
 * M1/M2/M3/M6 are different!
 * This is only for M6
 */
#define USB_PHY_CLK_SEL_XTAL	0
#define USB_PHY_CLK_SEL_XTAL_DIV_2	1
#define USB_PHY_CLK_SEL_DDR_PLL	2
#define USB_PHY_CLK_SEL_MPLL_0	3
#define USB_PHY_CLK_SEL_MPLL_1	4
#define USB_PHY_CLK_SEL_MPLL_2	5
#define USB_PHY_CLK_SEL_FCLK_DIV_2	6
#define USB_PHY_CLK_SEL_FCLK_DIV_3	7

#endif
