linux-imx

/*

 * Rockchip Generic power domain support.

 *

 * Copyright (c) 2015 ROCKCHIP, Co. Ltd.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

​

#include <linux/io.h>

#include <linux/iopoll.h>

#include <linux/err.h>

#include <linux/pm_clock.h>

#include <linux/pm_domain.h>

#include <linux/of_address.h>

#include <linux/of_clk.h>

#include <linux/of_platform.h>

#include <linux/clk.h>

#include <linux/regmap.h>

#include <linux/mfd/syscon.h>

#include <dt-bindings/power/px30-power.h>

#include <dt-bindings/power/rk3036-power.h>

#include <dt-bindings/power/rk3066-power.h>

#include <dt-bindings/power/rk3128-power.h>

#include <dt-bindings/power/rk3188-power.h>

#include <dt-bindings/power/rk3228-power.h>

#include <dt-bindings/power/rk3288-power.h>

#include <dt-bindings/power/rk3328-power.h>

#include <dt-bindings/power/rk3366-power.h>

#include <dt-bindings/power/rk3368-power.h>

#include <dt-bindings/power/rk3399-power.h>

​

struct rockchip_domain_info {

    int pwr_mask;

    int status_mask;

    int req_mask;

    int idle_mask;

    int ack_mask;

    bool active_wakeup;

    int pwr_w_mask;

    int req_w_mask;

};

​

struct rockchip_pmu_info {

    u32 pwr_offset;

    u32 status_offset;

    u32 req_offset;

    u32 idle_offset;

    u32 ack_offset;

​

    u32 core_pwrcnt_offset;

    u32 gpu_pwrcnt_offset;

​

    unsigned int core_power_transition_time;

    unsigned int gpu_power_transition_time;

​

    int num_domains;

    const struct rockchip_domain_info *domain_info;

};

​

#define MAX_QOS_REGS_NUM    5

#define QOS_PRIORITY        0x08

#define QOS_MODE        0x0c

#define QOS_BANDWIDTH       0x10

#define QOS_SATURATION      0x14

#define QOS_EXTCONTROL      0x18

​

struct rockchip_pm_domain {

    struct generic_pm_domain genpd;

    const struct rockchip_domain_info *info;

    struct rockchip_pmu *pmu;

    int num_qos;

    struct regmap **qos_regmap;

    u32 *qos_save_regs[MAX_QOS_REGS_NUM];

    int num_clks;

    struct clk_bulk_data *clks;

};

​

struct rockchip_pmu {

    struct device *dev;

    struct regmap *regmap;

    const struct rockchip_pmu_info *info;

    struct mutex mutex; /* mutex lock for pmu */

    struct genpd_onecell_data genpd_data;

    struct generic_pm_domain *domains[];

};

​

#define to_rockchip_pd(gpd) container_of(gpd, struct rockchip_pm_domain, genpd)

​

#define DOMAIN(pwr, status, req, idle, ack, wakeup) \

{                       \