kernel_samsung_a34x-permissive/drivers/misc/mediatek/scp/cm4/scp_dvfs.h
2024-04-28 15:51:13 +02:00

183 lines
3.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#ifndef __SCP_DVFS_H__
#define __SCP_DVFS_H__
#define PLL_ENABLE (1)
#define PLL_DISABLE (0)
#define DVFS_STATUS_OK (0)
#define DVFS_STATUS_BUSY (-1)
#define DVFS_REQUEST_SAME_CLOCK (-2)
#define DVFS_STATUS_ERR (-3)
#define DVFS_STATUS_TIMEOUT (-4)
#define DVFS_CLK_ERROR (-5)
#define DVFS_STATUS_CMD_FIX (-6)
#define DVFS_STATUS_CMD_LIMITED (-7)
#define DVFS_STATUS_CMD_DISABLE (-8)
#define CLK_26M (26)
#define MAINPLL_273M (273)
#define UNIVPLL_416M (416)
enum scp_state_enum {
IN_DEBUG_IDLE = 1,
ENTERING_SLEEP = 2,
IN_SLEEP = 4,
ENTERING_ACTIVE = 8,
IN_ACTIVE = 16,
};
enum {
CLK_SYS_EN_BIT = 0,
CLK_HIGH_EN_BIT = 1,
CLK_HIGH_CG_BIT = 2,
CLK_SYS_IRQ_EN_BIT = 16,
CLK_HIGH_IRQ_EN_BIT = 17,
};
#if defined(CONFIG_MACH_MT6781)
#include <linux/arm-smccc.h>
enum scp_req_r {
SCP_REQ_RELEASE = 0,
SCP_REQ_26M = 1 << 0,
SCP_REQ_IFR = 1 << 1,
SCP_REQ_SYSPLL1 = 1 << 2,
SCP_REQ_MAX = 1 << 3,
};
extern int scp_resource_req(unsigned int req_type);
#endif
enum clk_opp_enum {
#if defined(CONFIG_MACH_MT6781)
CLK_OPP0 = 125,
CLK_OPP1 = 250,
CLK_OPP2 = 273,
CLK_OPP3 = 330,
CLK_OPP4 = 416,
CLK_MAX_OPP = CLK_OPP4,
CLK_MAINPLL = CLK_OPP2,
CLK_UNIVPLL = CLK_OPP4,
#else
CLK_OPP0 = 110,
CLK_OPP1 = 130,
CLK_OPP2 = 165,
CLK_OPP3 = 218,
CLK_OPP4 = 330,
CLK_OPP5 = 416,
CLK_MAX_OPP = CLK_OPP5,
CLK_MAINPLL = CLK_OPP3,
CLK_UNIVPLL = CLK_OPP5,
#endif
CLK_UNINIT = 0xffff,
};
enum clk_div_enum {
CLK_DIV_1 = 0,
CLK_DIV_2 = 1,
CLK_DIV_4 = 2,
CLK_DIV_3 = 3,
};
enum subsys_enum {
SYS_GPIO = 0,
SYS_PMIC,
SYS_NUM,
};
enum sub_feature_enum {
GPIO_MODE = 0,
PMIC_VOW_LP,
PMIC_PMRC,
SUB_FEATURE_NUM,
};
enum scp_dvfs_smc_cmd {
SCP_DVFS_SMC_RESOURCE_REQ = 1,
SCP_DVFS_SMC_RESOURCE_REL,
SCP_DVFS_SMC_WRITE_SPM,
SCP_DVFS_SMC_READ_SPM,
};
enum scp_request_resources {
SCP_REQ_RESOURCE_26M = (1 << 1L),
SCP_REQ_RESOURCE_INFRA = (1 << 2L),
SCP_REQ_RESOURCE_SYSPLL = (1 << 3L),
SCP_REQ_RESOURCE_DRAM = (1 << 4L),
SCP_REQ_RESOURCE_ALL = (0xFFFFFFFF),
};
struct mt_scp_pll_t {
struct clk *clk_mux;
struct clk *clk_pll[8];
unsigned int pll_num;
};
struct reg_info {
unsigned int ofs;
unsigned int msk;
unsigned int bit;
unsigned int setclr;
};
struct reg_cfg {
unsigned int on;
unsigned int off;
};
struct sub_feature_data {
const char *name;
struct reg_info *reg;
struct reg_cfg *cfg;
unsigned int onoff;
int num;
};
struct subsys_data {
struct regmap *regmap;
struct sub_feature_data *fd;
int num;
};
struct dvfs_opp {
unsigned int vcore;
unsigned int vsram;
unsigned int uv_idx;
unsigned int dvfsrc_opp;
unsigned int spm_opp;
unsigned int freq;
unsigned int clk_mux;
};
struct dvfs_data {
struct dvfs_opp *opp;
int scp_opp_num;
int dvfsrc_opp_num;
};
extern int scp_pll_ctrl_set(unsigned int pll_ctrl_flag, unsigned int pll_sel);
extern int scp_set_pmic_vcore(unsigned int cur_freq);
extern unsigned int scp_get_dvfs_opp(void);
extern uint32_t scp_get_freq(void);
extern int scp_request_freq(void);
extern void scp_pll_mux_set(unsigned int pll_ctrl_flag);
extern void wait_scp_dvfs_init_done(void);
extern int __init scp_dvfs_init(void);
extern void __exit scp_dvfs_exit(void);
/* scp dvfs variable*/
extern unsigned int scp_expected_freq;
extern unsigned int scp_current_freq;
extern spinlock_t scp_awake_spinlock;
#endif /* __SCP_DVFS_H__ */