/*
 * This file is part of the coreboot project.
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * 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.
 */

#include <soc/addressmap.h>
#include <types.h>

#ifndef __SOC_QUALCOMM_SC7180_CLOCK_H__
#define __SOC_QUALCOMM_SC7180_CLOCK_H__

#define QUPV3_WRAP_0_M_AHB_CLK_ENA	6
#define QUPV3_WRAP_0_S_AHB_CLK_ENA	7
#define QUPV3_WRAP0_CORE_2X_CLK_ENA	9
#define QUPV3_WRAP0_CORE_CLK_ENA	8
#define QUPV3_WRAP1_CORE_2X_CLK_ENA	18
#define QUPV3_WRAP1_CORE_CLK_ENA	19
#define QUPV3_WRAP_1_M_AHB_CLK_ENA	20
#define QUPV3_WRAP_1_S_AHB_CLK_ENA	21
#define QUPV3_WRAP0_CLK_ENA_S(idx)	(10 + idx)
#define QUPV3_WRAP1_CLK_ENA_S(idx)	(22 + idx)

#define SRC_XO_HZ			(19200 * KHz)
#define GPLL0_EVEN_HZ			(300 * MHz)
#define GPLL0_MAIN_HZ			(600 * MHz)
#define QUPV3_UART_SRC_HZ		7372800

#define SRC_XO_19_2MHZ			0
#define SRC_GPLL0_MAIN_600MHZ		1
#define SRC_GPLL0_EVEN_300MHZ		6

#define AOP_RESET_SHFT			0
#define RCG_MODE_DUAL_EDGE		2

#define SCALE_FREQ_SHFT			11

struct sc7180_clock {
	u32 cbcr;
	u32 rcg_cmd;
	u32 rcg_cfg;
};

struct sc7180_mnd_clock {
	struct sc7180_clock clock;
	u32 m;
	u32 n;
	u32 d_2;
};

struct sc7180_dfsr_clock {
	u32 cmd_dfsr;
	u8 _res0[0x20 - 0x1c];
	u32 perf_dfsr[8];
	u8 _res1[0x60 - 0x40];
	u32 perf_m_dfsr[8];
	u8 _res2[0xa0 - 0x80];
	u32 perf_n_dfsr[8];
	u8 _res3[0xe0 - 0xc0];
	u32 perf_d_dfsr[8];
	u8 _res4[0x130 - 0x100];
};

struct sc7180_qupv3_clock {
	struct sc7180_mnd_clock mnd_clk;
	struct sc7180_dfsr_clock dfsr_clk;
};

struct sc7180_gpll {
	u32 mode;
	u32 l_val;
	u32 cal_l_val;
	u32 user_ctl;
	u32 user_ctl_u;
	u32 config_ctl;
	u32 config_ctl_u;
	u32 test_ctl;
	u32 test_ctl_u;
	u8 _res[0x1000 - 0x24];
};

struct sc7180_gcc {
	struct sc7180_gpll gpll0;
	u8 _res0[0xf000 - 0x1000];
	u32 usb30_prim_bcr;
	u8 _res1[0x17000 - 0xf004];
	u32 qup_wrap0_bcr;
	u32 qup_wrap0_m_ahb_cbcr;
	u32 qup_wrap0_s_ahb_cbcr;
	u32 qup_wrap0_core_cbcr;
	u32 qup_wrap0_core_cdivr;
	struct sc7180_clock qup_wrap0_core_2x;
	u8 _res2[0x17030 - 0x17020];
	struct sc7180_qupv3_clock qup_wrap0_s[6];
	u8 _res3[0x18000 - 0x17750];
	u32 qup_wrap1_bcr;
	u32 qup_wrap1_core_2x_cbcr;
	u32 qup_wrap1_core_cbcr;
	u32 qup_wrap1_m_ahb_cbcr;
	u32 qup_wrap1_s_ahb_cbcr;
	struct sc7180_qupv3_clock qup_wrap1_s[6];
	u8 _res4[0x18994 - 0x18734];
	u32 qup_wrap1_core_cdivr;
	u8 _res5[0x26000 - 0x18998];
	u32 qusb2phy_prim_bcr;
	u8 _res6[0x4b000 - 0x26004];
	u32 qspi_bcr;
	u32 qspi_cnoc_ahb_cbcr;
	struct sc7180_clock qspi_core;
	u8 _res7[0x50000 - 0x4b014];
	u32 usb3_phy_prim_bcr;
	u32 usb3phy_phy_prim_bcr;
	u32 usb3_dp_phy_prim_bcr;
	u32 usb3_phy_sec_bcr;
	u32 usb3phy_phy_sec_bcr;
	u32 usb3_dp_phy_sec_bcr;
	u8 _res8[0x52008 - 0x50018];
	u32 apcs_clk_br_en1;
	u8 _res9[0x1000000 - 0x5200c];
};
check_member(sc7180_gcc, usb30_prim_bcr, 0xf000);
check_member(sc7180_gcc, qup_wrap0_bcr, 0x17000);
check_member(sc7180_gcc, qup_wrap1_bcr, 0x18000);
check_member(sc7180_gcc, qup_wrap1_core_cdivr, 0x18994);
check_member(sc7180_gcc, qusb2phy_prim_bcr, 0x26000);
check_member(sc7180_gcc, usb3phy_phy_prim_bcr, 0x50004);
check_member(sc7180_gcc, usb3_phy_prim_bcr, 0x50000);
check_member(sc7180_gcc, apcs_clk_br_en1, 0x52008);

struct sc7180_aoss {
	u8 _res[0x5002c];
	u32 aoss_cc_apcs_misc;
};

enum clk_ctl_gpll_user_ctl {
	CLK_CTL_GPLL_PLLOUT_EVEN_BMSK = 0x2,
	CLK_CTL_GPLL_PLLOUT_MAIN_SHFT = 0,
	CLK_CTL_GPLL_PLLOUT_EVEN_SHFT = 1,
	CLK_CTL_GPLL_PLLOUT_ODD_SHFT = 2
};

enum clk_ctl_cfg_rcgr {
	CLK_CTL_CFG_HW_CTL_BMSK = 0x100000,
	CLK_CTL_CFG_HW_CTL_SHFT = 20,
	CLK_CTL_CFG_MODE_BMSK = 0x3000,
	CLK_CTL_CFG_MODE_SHFT = 12,
	CLK_CTL_CFG_SRC_SEL_BMSK = 0x700,
	CLK_CTL_CFG_SRC_SEL_SHFT = 8,
	CLK_CTL_CFG_SRC_DIV_BMSK = 0x1F,
	CLK_CTL_CFG_SRC_DIV_SHFT = 0
};

enum clk_ctl_cmd_rcgr {
	CLK_CTL_CMD_ROOT_OFF_BMSK = 0x80000000,
	CLK_CTL_CMD_ROOT_OFF_SHFT = 31,
	CLK_CTL_CMD_ROOT_EN_BMSK = 0x2,
	CLK_CTL_CMD_ROOT_EN_SHFT = 1,
	CLK_CTL_CMD_UPDATE_BMSK = 0x1,
	CLK_CTL_CMD_UPDATE_SHFT  = 0
};

enum clk_ctl_cbcr {
	CLK_CTL_CBC_CLK_OFF_BMSK = 0x80000000,
	CLK_CTL_CBC_CLK_OFF_SHFT = 31,
	CLK_CTL_CBC_CLK_EN_BMSK = 0x1,
	CLK_CTL_CBC_CLK_EN_SHFT  = 0
};

enum clk_ctl_rcg_mnd {
	CLK_CTL_RCG_MND_BMSK = 0xFFFF,
	CLK_CTL_RCG_MND_SHFT = 0,
};

enum clk_ctl_bcr {
	CLK_CTL_BCR_BLK_ARES_BMSK = 0x1,
	CLK_CTL_BCR_BLK_ARES_SHFT = 0,
};

enum clk_ctl_dfsr {
	CLK_CTL_CMD_DFSR_BMSK = 0x1,
	CLK_CTL_CMD_DFSR_SHFT = 0,
	CLK_CTL_CMD_RCG_SW_CTL_SHFT = 15,
};

enum clk_qup {
	QUP_WRAP0_S0,
	QUP_WRAP0_S1,
	QUP_WRAP0_S2,
	QUP_WRAP0_S3,
	QUP_WRAP0_S4,
	QUP_WRAP0_S5,
	QUP_WRAP1_S0,
	QUP_WRAP1_S1,
	QUP_WRAP1_S2,
	QUP_WRAP1_S3,
	QUP_WRAP1_S4,
	QUP_WRAP1_S5,
};

struct clock_config {
	uint32_t hz;
	uint8_t src;
	uint8_t div;
	uint16_t m;
	uint16_t n;
	uint16_t d_2;
};

struct mdss_clock_config {
	const char *clk_name;
	uintptr_t rcgr;
	uintptr_t cbcr;
};

static struct sc7180_gcc *const gcc = (void *)GCC_BASE;
static struct sc7180_aoss *const aoss = (void *)AOSS_CC_BASE;

void clock_init(void);
void clock_reset_aop(void);
void clock_configure_qspi(uint32_t hz);
int clock_reset_bcr(void *bcr_addr, bool reset);
void clock_configure_qup(int qup, uint32_t hz);
void clock_enable_qup(int qup);
void clock_configure_dfsr(int qup);

#endif	// __SOC_QUALCOMM_SC7180_CLOCK_H__
