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/* Copyright (c) 2014-2015, 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 __ESOC_MDM_H__
#define __ESOC_MDM_H__
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/jiffies.h>
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_gpio.h>
#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h>
#include <linux/sched.h>
#include "esoc.h"
#define MDM_PBLRDY_CNT 20
#define INVALID_GPIO (-1)
#define MDM_GPIO(mdm, i) (mdm->gpios[i])
#define MDM9x25_LABEL "MDM9x25"
#define MDM9x25_HSIC "HSIC"
#define MDM9x35_LABEL "MDM9x35"
#define MDM9x35_PCIE "PCIe"
#define MDM9x35_DUAL_LINK "HSIC+PCIe"
#define MDM9x35_HSIC "HSIC"
#define MDM9x45_LABEL "MDM9x45"
#define MDM9x45_PCIE "PCIe"
#define MDM9x55_LABEL "MDM9x55"
#define MDM9x55_PCIE "PCIe"
#define APQ8096_LABEL "APQ8096"
#define APQ8096_PCIE "PCIe"
#define MDM2AP_STATUS_TIMEOUT_MS 120000L
#define MDM_MODEM_TIMEOUT 3000
#define DEF_RAMDUMP_TIMEOUT 120000
#define DEF_RAMDUMP_DELAY 2000
#define DEF_SHUTDOWN_TIMEOUT 10000
#define DEF_MDM9X55_RESET_TIME 203
#define RD_BUF_SIZE 100
#define SFR_MAX_RETRIES 10
#define SFR_RETRY_INTERVAL 1000
#define MDM_DBG_OFFSET 0x934
#define MDM_DBG_MODE 0x53444247
#define MDM_CTI_NAME "coresight-cti-rpm-cpu0"
#define MDM_CTI_TRIG 0
#define MDM_CTI_CH 0
enum mdm_gpio {
AP2MDM_WAKEUP = 0,
AP2MDM_STATUS,
AP2MDM_SOFT_RESET,
AP2MDM_VDD_MIN,
AP2MDM_CHNLRDY,
AP2MDM_ERRFATAL,
AP2MDM_VDDMIN,
AP2MDM_PMIC_PWR_EN,
MDM2AP_WAKEUP,
MDM2AP_ERRFATAL,
MDM2AP_PBLRDY,
MDM2AP_STATUS,
MDM2AP_VDDMIN,
MDM_LINK_DETECT,
NUM_GPIOS,
};
struct mdm_pon_ops;
struct mdm_ctrl {
unsigned gpios[NUM_GPIOS];
spinlock_t status_lock;
struct workqueue_struct *mdm_queue;
struct delayed_work mdm2ap_status_check_work;
struct work_struct mdm_status_work;
struct work_struct restart_reason_work;
struct completion debug_done;
struct device *dev;
struct pinctrl *pinctrl;
struct pinctrl_state *gpio_state_booting;
struct pinctrl_state *gpio_state_running;
struct pinctrl_state *gpio_state_active;
struct pinctrl_state *gpio_state_suspend;
int mdm2ap_status_valid_old_config;
int soft_reset_inverted;
int errfatal_irq;
int status_irq;
int pblrdy_irq;
int debug;
int init;
bool debug_fail;
unsigned int dump_timeout_ms;
unsigned int ramdump_delay_ms;
unsigned int shutdown_timeout_ms;
unsigned int reset_time_ms;
struct esoc_clink *esoc;
bool get_restart_reason;
unsigned long irq_mask;
bool ready;
bool dual_interface;
u32 status;
void __iomem *dbg_addr;
bool dbg_mode;
struct coresight_cti *cti;
int trig_cnt;
const struct mdm_pon_ops *pon_ops;
};
struct mdm_pon_ops {
int (*pon)(struct mdm_ctrl *mdm);
int (*soft_reset)(struct mdm_ctrl *mdm, bool atomic);
int (*poff_force)(struct mdm_ctrl *mdm);
int (*poff_cleanup)(struct mdm_ctrl *mdm);
void (*cold_reset)(struct mdm_ctrl *mdm);
int (*dt_init)(struct mdm_ctrl *mdm);
int (*setup)(struct mdm_ctrl *mdm);
};
struct mdm_ops {
struct esoc_clink_ops *clink_ops;
struct mdm_pon_ops *pon_ops;
int (*config_hw)(struct mdm_ctrl *mdm, const struct mdm_ops *ops,
struct platform_device *pdev);
};
static inline int mdm_toggle_soft_reset(struct mdm_ctrl *mdm, bool atomic)
{
return mdm->pon_ops->soft_reset(mdm, atomic);
}
static inline int mdm_do_first_power_on(struct mdm_ctrl *mdm)
{
return mdm->pon_ops->pon(mdm);
}
static inline int mdm_power_down(struct mdm_ctrl *mdm)
{
return mdm->pon_ops->poff_force(mdm);
}
static inline void mdm_cold_reset(struct mdm_ctrl *mdm)
{
mdm->pon_ops->cold_reset(mdm);
}
static inline int mdm_pon_dt_init(struct mdm_ctrl *mdm)
{
return mdm->pon_ops->dt_init(mdm);
}
static inline int mdm_pon_setup(struct mdm_ctrl *mdm)
{
return mdm->pon_ops->setup(mdm);
}
extern struct mdm_pon_ops mdm9x25_pon_ops;
extern struct mdm_pon_ops mdm9x35_pon_ops;
extern struct mdm_pon_ops mdm9x45_pon_ops;
extern struct mdm_pon_ops mdm9x55_pon_ops;
extern struct mdm_pon_ops apq8096_pon_ops;
#endif
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