drivers/mmc/host/sdhci-msm.h - kernel/msm-4.9 - Gitiles

 /*
  * Copyright (c) 2016-2017, The Linux Foundation. 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 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.
  *
  */

 #ifndef __SDHCI_MSM_H__
 #define __SDHCI_MSM_H__

 #include <linux/mmc/mmc.h>
 #include <linux/pm_qos.h>
 #include "sdhci-pltfm.h"

 /* This structure keeps information per regulator */
 struct sdhci_msm_reg_data {
 	/* voltage regulator handle */
 	struct regulator *reg;
 	/* regulator name */
 	const char *name;
 	/* voltage level to be set */
 	u32 low_vol_level;
 	u32 high_vol_level;
 	/* Load values for low power and high power mode */
 	u32 lpm_uA;
 	u32 hpm_uA;

 	/* is this regulator enabled? */
 	bool is_enabled;
 	/* is this regulator needs to be always on? */
 	bool is_always_on;
 	/* is low power mode setting required for this regulator? */
 	bool lpm_sup;
 	bool set_voltage_sup;
 };

 /*
  * This structure keeps information for all the
  * regulators required for a SDCC slot.
  */
 struct sdhci_msm_slot_reg_data {
 	/* keeps VDD/VCC regulator info */
 	struct sdhci_msm_reg_data *vdd_data;
 	 /* keeps VDD IO regulator info */
 	struct sdhci_msm_reg_data *vdd_io_data;
 };

 struct sdhci_msm_gpio {
 	u32 no;
 	const char *name;
 	bool is_enabled;
 };

 struct sdhci_msm_gpio_data {
 	struct sdhci_msm_gpio *gpio;
 	u8 size;
 };

 struct sdhci_msm_pin_data {
 	/*
 	 * = 1 if controller pins are using gpios
 	 * = 0 if controller has dedicated MSM pads
 	 */
 	u8 is_gpio;
 	struct sdhci_msm_gpio_data *gpio_data;
 };

 struct sdhci_pinctrl_data {
 	struct pinctrl          *pctrl;
 	struct pinctrl_state    *pins_active;
 	struct pinctrl_state    *pins_sleep;
 	struct pinctrl_state    *pins_drv_type_400KHz;
 	struct pinctrl_state    *pins_drv_type_50MHz;
 	struct pinctrl_state    *pins_drv_type_100MHz;
 	struct pinctrl_state    *pins_drv_type_200MHz;
 };

 struct sdhci_msm_bus_voting_data {
 	struct msm_bus_scale_pdata *bus_pdata;
 	unsigned int *bw_vecs;
 	unsigned int bw_vecs_size;
 };

 struct sdhci_msm_cpu_group_map {
 	int nr_groups;
 	cpumask_t *mask;
 };

 struct sdhci_msm_pm_qos_latency {
 	s32 latency[SDHCI_POWER_POLICY_NUM];
 };

 struct sdhci_msm_pm_qos_data {
 	struct sdhci_msm_cpu_group_map cpu_group_map;
 	enum pm_qos_req_type irq_req_type;
 	int irq_cpu;
 	struct sdhci_msm_pm_qos_latency irq_latency;
 	struct sdhci_msm_pm_qos_latency *cmdq_latency;
 	struct sdhci_msm_pm_qos_latency *latency;
 	bool irq_valid;
 	bool cmdq_valid;
 	bool legacy_valid;
 };

 /*
  * PM QoS for group voting management - each cpu group defined is associated
  * with 1 instance of this structure.
  */
 struct sdhci_msm_pm_qos_group {
 	struct pm_qos_request req;
 	struct delayed_work unvote_work;
 	atomic_t counter;
 	s32 latency;
 };

 /* PM QoS HW IRQ voting */
 struct sdhci_msm_pm_qos_irq {
 	struct pm_qos_request req;
 	struct delayed_work unvote_work;
 	struct device_attribute enable_attr;
 	struct device_attribute status_attr;
 	atomic_t counter;
 	s32 latency;
 	bool enabled;
 };

 struct sdhci_msm_pltfm_data {
 	/* Supported UHS-I Modes */
 	u32 caps;

 	/* More capabilities */
 	u32 caps2;

 	unsigned long mmc_bus_width;
 	struct sdhci_msm_slot_reg_data *vreg_data;
 	bool nonremovable;
 	bool nonhotplug;
 	bool largeaddressbus;
 	bool pin_cfg_sts;
 	struct sdhci_msm_pin_data *pin_data;
 	struct sdhci_pinctrl_data *pctrl_data;
 	int status_gpio; /* card detection GPIO that is configured as IRQ */
 	struct sdhci_msm_bus_voting_data *voting_data;
 	u32 *sup_clk_table;
 	unsigned char sup_clk_cnt;
 	int sdiowakeup_irq;
 	u32 *sup_ice_clk_table;
 	unsigned char sup_ice_clk_cnt;
 	struct sdhci_msm_pm_qos_data pm_qos_data;
 	bool sdr104_wa;
 	u32 ice_clk_max;
 	u32 ice_clk_min;
 	u32 ddr_config;
 	bool rclk_wa;
 	u32 *bus_clk_table;
 	unsigned char bus_clk_cnt;
 };

 struct sdhci_msm_bus_vote {
 	uint32_t client_handle;
 	uint32_t curr_vote;
 	int min_bw_vote;
 	int max_bw_vote;
 	bool is_max_bw_needed;
 	struct delayed_work vote_work;
 	struct device_attribute max_bus_bw;
 };

 struct sdhci_msm_ice_data {
 	struct qcom_ice_variant_ops *vops;
 	struct platform_device *pdev;
 	int state;
 };

 struct sdhci_msm_regs_restore {
 	bool is_supported;
 	bool is_valid;
 	u32 vendor_pwrctl_mask;
 	u32 vendor_pwrctl_ctl;
 	u32 vendor_caps_0;
 	u32 vendor_func;
 	u32 vendor_func2;
 	u32 vendor_func3;
 	u32 hc_2c_2e;
 	u32 hc_28_2a;
 	u32 hc_34_36;
 	u32 hc_38_3a;
 	u32 hc_3c_3e;
 	u32 hc_caps_1;
 	u32 testbus_config;
 };

 struct sdhci_msm_debug_data {
 	struct mmc_host copy_mmc;
 	struct mmc_card copy_card;
 	struct sdhci_host copy_host;
 };

 struct sdhci_msm_host {
 	struct platform_device	*pdev;
 	void __iomem *core_mem;    /* MSM SDCC mapped address */
 	void __iomem *cryptoio;    /* ICE HCI mapped address */
 	bool ice_hci_support;
 	int	pwr_irq;	/* power irq */
 	struct clk	 *clk;     /* main SD/MMC bus clock */
 	struct clk	 *pclk;    /* SDHC peripheral bus clock */
 	struct clk	 *bus_aggr_clk; /* Axi clock shared with UFS */
 	struct clk	 *bus_clk; /* SDHC bus voter clock */
 	struct clk	 *ff_clk; /* CDC calibration fixed feedback clock */
 	struct clk	 *sleep_clk; /* CDC calibration sleep clock */
 	struct clk	 *ice_clk; /* SDHC peripheral ICE clock */
 	atomic_t clks_on; /* Set if clocks are enabled */
 	struct sdhci_msm_pltfm_data *pdata;
 	struct mmc_host  *mmc;
 	struct sdhci_msm_debug_data cached_data;
 	struct sdhci_pltfm_data sdhci_msm_pdata;
 	u32 curr_pwr_state;
 	u32 curr_io_level;
 	struct completion pwr_irq_completion;
 	struct sdhci_msm_bus_vote msm_bus_vote;
 	struct device_attribute	polling;
 	u32 clk_rate; /* Keeps track of current clock rate that is set */
 	bool tuning_done;
 	bool calibration_done;
 	u8 saved_tuning_phase;
 	bool en_auto_cmd21;
 	struct device_attribute auto_cmd21_attr;
 	bool is_sdiowakeup_enabled;
 	bool sdio_pending_processing;
 	atomic_t controller_clock;
 	bool use_cdclp533;
 	bool use_updated_dll_reset;
 	bool use_14lpp_dll;
 	bool enhanced_strobe;
 	bool rclk_delay_fix;
 	u32 caps_0;
 	struct sdhci_msm_ice_data ice;
 	u32 ice_clk_rate;
 	struct sdhci_msm_pm_qos_group *pm_qos;
 	int pm_qos_prev_cpu;
 	struct device_attribute pm_qos_group_enable_attr;
 	struct device_attribute pm_qos_group_status_attr;
 	bool pm_qos_group_enable;
 	struct sdhci_msm_pm_qos_irq pm_qos_irq;
 	bool tuning_in_progress;
 	bool mci_removed;
 	const struct sdhci_msm_offset *offset;
 	bool core_3_0v_support;
 	bool pltfm_init_done;
 	struct sdhci_msm_regs_restore regs_restore;
 };

 extern char *saved_command_line;

 void sdhci_msm_pm_qos_irq_init(struct sdhci_host *host);
 void sdhci_msm_pm_qos_irq_vote(struct sdhci_host *host);
 void sdhci_msm_pm_qos_irq_unvote(struct sdhci_host *host, bool async);

 void sdhci_msm_pm_qos_cpu_init(struct sdhci_host *host,
 		struct sdhci_msm_pm_qos_latency *latency);
 void sdhci_msm_pm_qos_cpu_vote(struct sdhci_host *host,
 		struct sdhci_msm_pm_qos_latency *latency, int cpu);
 bool sdhci_msm_pm_qos_cpu_unvote(struct sdhci_host *host, int cpu, bool async);


 #endif /* __SDHCI_MSM_H__ */
	/*
	* Copyright (c) 2016-2017, The Linux Foundation. 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 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.
	*
	*/

	#ifndef __SDHCI_MSM_H__
	#define __SDHCI_MSM_H__

	#include <linux/mmc/mmc.h>
	#include <linux/pm_qos.h>
	#include "sdhci-pltfm.h"

	/* This structure keeps information per regulator */
	struct sdhci_msm_reg_data {
	/* voltage regulator handle */
	struct regulator *reg;
	/* regulator name */
	const char *name;
	/* voltage level to be set */
	u32 low_vol_level;
	u32 high_vol_level;
	/* Load values for low power and high power mode */
	u32 lpm_uA;
	u32 hpm_uA;

	/* is this regulator enabled? */
	bool is_enabled;
	/* is this regulator needs to be always on? */
	bool is_always_on;
	/* is low power mode setting required for this regulator? */
	bool lpm_sup;
	bool set_voltage_sup;
	};

	/*
	* This structure keeps information for all the
	* regulators required for a SDCC slot.
	*/
	struct sdhci_msm_slot_reg_data {
	/* keeps VDD/VCC regulator info */
	struct sdhci_msm_reg_data *vdd_data;
	/* keeps VDD IO regulator info */
	struct sdhci_msm_reg_data *vdd_io_data;
	};

	struct sdhci_msm_gpio {
	u32 no;
	const char *name;
	bool is_enabled;
	};

	struct sdhci_msm_gpio_data {
	struct sdhci_msm_gpio *gpio;
	u8 size;
	};

	struct sdhci_msm_pin_data {
	/*
	* = 1 if controller pins are using gpios
	* = 0 if controller has dedicated MSM pads
	*/
	u8 is_gpio;
	struct sdhci_msm_gpio_data *gpio_data;
	};

	struct sdhci_pinctrl_data {
	struct pinctrl *pctrl;
	struct pinctrl_state *pins_active;
	struct pinctrl_state *pins_sleep;
	struct pinctrl_state *pins_drv_type_400KHz;
	struct pinctrl_state *pins_drv_type_50MHz;
	struct pinctrl_state *pins_drv_type_100MHz;
	struct pinctrl_state *pins_drv_type_200MHz;
	};

	struct sdhci_msm_bus_voting_data {
	struct msm_bus_scale_pdata *bus_pdata;
	unsigned int *bw_vecs;
	unsigned int bw_vecs_size;
	};

	struct sdhci_msm_cpu_group_map {
	int nr_groups;
	cpumask_t *mask;
	};

	struct sdhci_msm_pm_qos_latency {
	s32 latency[SDHCI_POWER_POLICY_NUM];
	};

	struct sdhci_msm_pm_qos_data {
	struct sdhci_msm_cpu_group_map cpu_group_map;
	enum pm_qos_req_type irq_req_type;
	int irq_cpu;
	struct sdhci_msm_pm_qos_latency irq_latency;
	struct sdhci_msm_pm_qos_latency *cmdq_latency;
	struct sdhci_msm_pm_qos_latency *latency;
	bool irq_valid;
	bool cmdq_valid;
	bool legacy_valid;
	};

	/*
	* PM QoS for group voting management - each cpu group defined is associated
	* with 1 instance of this structure.
	*/
	struct sdhci_msm_pm_qos_group {
	struct pm_qos_request req;
	struct delayed_work unvote_work;
	atomic_t counter;
	s32 latency;
	};

	/* PM QoS HW IRQ voting */
	struct sdhci_msm_pm_qos_irq {
	struct pm_qos_request req;
	struct delayed_work unvote_work;
	struct device_attribute enable_attr;
	struct device_attribute status_attr;
	atomic_t counter;
	s32 latency;
	bool enabled;
	};

	struct sdhci_msm_pltfm_data {
	/* Supported UHS-I Modes */
	u32 caps;

	/* More capabilities */
	u32 caps2;

	unsigned long mmc_bus_width;
	struct sdhci_msm_slot_reg_data *vreg_data;
	bool nonremovable;
	bool nonhotplug;
	bool largeaddressbus;
	bool pin_cfg_sts;
	struct sdhci_msm_pin_data *pin_data;
	struct sdhci_pinctrl_data *pctrl_data;
	int status_gpio; /* card detection GPIO that is configured as IRQ */
	struct sdhci_msm_bus_voting_data *voting_data;
	u32 *sup_clk_table;
	unsigned char sup_clk_cnt;
	int sdiowakeup_irq;
	u32 *sup_ice_clk_table;
	unsigned char sup_ice_clk_cnt;
	struct sdhci_msm_pm_qos_data pm_qos_data;
	bool sdr104_wa;
	u32 ice_clk_max;
	u32 ice_clk_min;
	u32 ddr_config;
	bool rclk_wa;
	u32 *bus_clk_table;
	unsigned char bus_clk_cnt;
	};

	struct sdhci_msm_bus_vote {
	uint32_t client_handle;
	uint32_t curr_vote;
	int min_bw_vote;
	int max_bw_vote;
	bool is_max_bw_needed;
	struct delayed_work vote_work;
	struct device_attribute max_bus_bw;
	};

	struct sdhci_msm_ice_data {
	struct qcom_ice_variant_ops *vops;
	struct platform_device *pdev;
	int state;
	};

	struct sdhci_msm_regs_restore {
	bool is_supported;
	bool is_valid;
	u32 vendor_pwrctl_mask;
	u32 vendor_pwrctl_ctl;
	u32 vendor_caps_0;
	u32 vendor_func;
	u32 vendor_func2;
	u32 vendor_func3;
	u32 hc_2c_2e;
	u32 hc_28_2a;
	u32 hc_34_36;
	u32 hc_38_3a;
	u32 hc_3c_3e;
	u32 hc_caps_1;
	u32 testbus_config;
	};

	struct sdhci_msm_debug_data {
	struct mmc_host copy_mmc;
	struct mmc_card copy_card;
	struct sdhci_host copy_host;
	};

	struct sdhci_msm_host {
	struct platform_device *pdev;
	void __iomem core_mem; / MSM SDCC mapped address */
	void __iomem cryptoio; / ICE HCI mapped address */
	bool ice_hci_support;
	int pwr_irq; /* power irq */
	struct clk clk; / main SD/MMC bus clock */
	struct clk pclk; / SDHC peripheral bus clock */
	struct clk bus_aggr_clk; / Axi clock shared with UFS */
	struct clk bus_clk; / SDHC bus voter clock */
	struct clk ff_clk; / CDC calibration fixed feedback clock */
	struct clk sleep_clk; / CDC calibration sleep clock */
	struct clk ice_clk; / SDHC peripheral ICE clock */
	atomic_t clks_on; /* Set if clocks are enabled */
	struct sdhci_msm_pltfm_data *pdata;
	struct mmc_host *mmc;
	struct sdhci_msm_debug_data cached_data;
	struct sdhci_pltfm_data sdhci_msm_pdata;
	u32 curr_pwr_state;
	u32 curr_io_level;
	struct completion pwr_irq_completion;
	struct sdhci_msm_bus_vote msm_bus_vote;
	struct device_attribute polling;
	u32 clk_rate; /* Keeps track of current clock rate that is set */
	bool tuning_done;
	bool calibration_done;
	u8 saved_tuning_phase;
	bool en_auto_cmd21;
	struct device_attribute auto_cmd21_attr;
	bool is_sdiowakeup_enabled;
	bool sdio_pending_processing;
	atomic_t controller_clock;
	bool use_cdclp533;
	bool use_updated_dll_reset;
	bool use_14lpp_dll;
	bool enhanced_strobe;
	bool rclk_delay_fix;
	u32 caps_0;
	struct sdhci_msm_ice_data ice;
	u32 ice_clk_rate;
	struct sdhci_msm_pm_qos_group *pm_qos;
	int pm_qos_prev_cpu;
	struct device_attribute pm_qos_group_enable_attr;
	struct device_attribute pm_qos_group_status_attr;
	bool pm_qos_group_enable;
	struct sdhci_msm_pm_qos_irq pm_qos_irq;
	bool tuning_in_progress;
	bool mci_removed;
	const struct sdhci_msm_offset *offset;
	bool core_3_0v_support;
	bool pltfm_init_done;
	struct sdhci_msm_regs_restore regs_restore;
	};

	extern char *saved_command_line;

	void sdhci_msm_pm_qos_irq_init(struct sdhci_host *host);
	void sdhci_msm_pm_qos_irq_vote(struct sdhci_host *host);
	void sdhci_msm_pm_qos_irq_unvote(struct sdhci_host *host, bool async);

	void sdhci_msm_pm_qos_cpu_init(struct sdhci_host *host,
	struct sdhci_msm_pm_qos_latency *latency);
	void sdhci_msm_pm_qos_cpu_vote(struct sdhci_host *host,
	struct sdhci_msm_pm_qos_latency *latency, int cpu);
	bool sdhci_msm_pm_qos_cpu_unvote(struct sdhci_host *host, int cpu, bool async);


	#endif /* __SDHCI_MSM_H__ */