linux-imx

/*

 * Qualcomm Wireless Connectivity Subsystem Peripheral Image Loader

 *

 * Copyright (C) 2016 Linaro Ltd

 * Copyright (C) 2014 Sony Mobile Communications AB

 * Copyright (c) 2012-2013, 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 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 <linux/clk.h>

#include <linux/delay.h>

#include <linux/firmware.h>

#include <linux/interrupt.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/io.h>

#include <linux/of_address.h>

#include <linux/of_device.h>

#include <linux/platform_device.h>

#include <linux/qcom_scm.h>

#include <linux/regulator/consumer.h>

#include <linux/remoteproc.h>

#include <linux/soc/qcom/mdt_loader.h>

#include <linux/soc/qcom/smem.h>

#include <linux/soc/qcom/smem_state.h>

#include <linux/rpmsg/qcom_smd.h>

​

#include "qcom_common.h"

#include "remoteproc_internal.h"

#include "qcom_wcnss.h"

​

#define WCNSS_CRASH_REASON_SMEM     422

#define WCNSS_FIRMWARE_NAME     "wcnss.mdt"

#define WCNSS_PAS_ID            6

#define WCNSS_SSCTL_ID          0x13

​

#define WCNSS_SPARE_NVBIN_DLND      BIT(25)

​

#define WCNSS_PMU_IRIS_XO_CFG       BIT(3)

#define WCNSS_PMU_IRIS_XO_EN        BIT(4)

#define WCNSS_PMU_GC_BUS_MUX_SEL_TOP    BIT(5)

#define WCNSS_PMU_IRIS_XO_CFG_STS   BIT(6) /* 1: in progress, 0: done */

​

#define WCNSS_PMU_IRIS_RESET        BIT(7)

#define WCNSS_PMU_IRIS_RESET_STS    BIT(8) /* 1: in progress, 0: done */

#define WCNSS_PMU_IRIS_XO_READ      BIT(9)

#define WCNSS_PMU_IRIS_XO_READ_STS  BIT(10)

​

#define WCNSS_PMU_XO_MODE_MASK      GENMASK(2, 1)

#define WCNSS_PMU_XO_MODE_19p2      0

#define WCNSS_PMU_XO_MODE_48        3

​

struct wcnss_data {

    size_t pmu_offset;

    size_t spare_offset;

​

    const struct wcnss_vreg_info *vregs;

    size_t num_vregs;

};

​

struct qcom_wcnss {

    struct device *dev;

    struct rproc *rproc;

​

    void __iomem *pmu_cfg;

    void __iomem *spare_out;

​

    bool use_48mhz_xo;

​

    int wdog_irq;

    int fatal_irq;

    int ready_irq;

    int handover_irq;

    int stop_ack_irq;

​

    struct qcom_smem_state *state;

    unsigned stop_bit;

​

    struct mutex iris_lock;

    struct qcom_iris *iris;

​

    struct regulator_bulk_data *vregs;

    size_t num_vregs;

​