Merge "cnss2: Add bus layer" (1eef60bf) · Commits · e / devices / android_kernel_sony_msm8998

drivers/net/wireless/cnss2/Makefile

+1 −0

Original line number	Diff line number	Diff line
		obj-$(CONFIG_CNSS2) += cnss2.o

		cnss2-y := main.o
		cnss2-y += bus.o
		cnss2-y += debug.o
		cnss2-y += pci.o
		cnss2-y += power.o

drivers/net/wireless/cnss2/bus.c

0 → 100644

+164 −0

Original line number	Diff line number	Diff line
		/* Copyright (c) 2018, 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.
		*/

		#include "bus.h"
		#include "debug.h"
		#include "pci.h"

		enum cnss_dev_bus_type cnss_get_dev_bus_type(struct device *dev)
		{
		if (!dev)
		return CNSS_BUS_NONE;

		if (!dev->bus)
		return CNSS_BUS_NONE;

		if (memcmp(dev->bus->name, "pci", 3) == 0)
		return CNSS_BUS_PCI;
		else
		return CNSS_BUS_NONE;
		}

		enum cnss_dev_bus_type cnss_get_bus_type(unsigned long device_id)
		{
		switch (device_id) {
		case QCA6174_DEVICE_ID:
		case QCA6290_EMULATION_DEVICE_ID:
		case QCA6290_DEVICE_ID:
		return CNSS_BUS_PCI;
		default:
		cnss_pr_err("Unknown device_id: 0x%lx\n", device_id);
		return CNSS_BUS_NONE;
		}
		}

		int cnss_bus_init(struct cnss_plat_data *plat_priv)
		{
		if (!plat_priv)
		return -ENODEV;

		switch (plat_priv->bus_type) {
		case CNSS_BUS_PCI:
		return cnss_pci_init(plat_priv);
		default:
		cnss_pr_err("Unsupported bus type: %d\n",
		plat_priv->bus_type);
		return -EINVAL;
		}
		}

		void cnss_bus_deinit(struct cnss_plat_data *plat_priv)
		{
		if (!plat_priv)
		return;

		switch (plat_priv->bus_type) {
		case CNSS_BUS_PCI:
		cnss_pci_deinit(plat_priv);
		default:
		cnss_pr_err("Unsupported bus type: %d\n",
		plat_priv->bus_type);
		return;
		}
		}

		int cnss_bus_load_m3(struct cnss_plat_data *plat_priv)
		{
		if (!plat_priv)
		return -ENODEV;

		switch (plat_priv->bus_type) {
		case CNSS_BUS_PCI:
		return cnss_pci_load_m3(plat_priv->bus_priv);
		default:
		cnss_pr_err("Unsupported bus type: %d\n",
		plat_priv->bus_type);
		return -EINVAL;
		}
		}

		int cnss_bus_alloc_fw_mem(struct cnss_plat_data *plat_priv)
		{
		if (!plat_priv)
		return -ENODEV;

		switch (plat_priv->bus_type) {
		case CNSS_BUS_PCI:
		return cnss_pci_alloc_fw_mem(plat_priv->bus_priv);
		default:
		cnss_pr_err("Unsupported bus type: %d\n",
		plat_priv->bus_type);
		return -EINVAL;
		}
		}

		u32 cnss_bus_get_wake_irq(struct cnss_plat_data *plat_priv)
		{
		if (!plat_priv)
		return -ENODEV;

		switch (plat_priv->bus_type) {
		case CNSS_BUS_PCI:
		return cnss_pci_get_wake_msi(plat_priv->bus_priv);
		default:
		cnss_pr_err("Unsupported bus type: %d\n",
		plat_priv->bus_type);
		return -EINVAL;
		}
		}

		int cnss_bus_force_fw_assert_hdlr(struct cnss_plat_data *plat_priv)
		{
		if (!plat_priv)
		return -ENODEV;

		switch (plat_priv->bus_type) {
		case CNSS_BUS_PCI:
		return cnss_pci_force_fw_assert_hdlr(plat_priv->bus_priv);
		default:
		cnss_pr_err("Unsupported bus type: %d\n",
		plat_priv->bus_type);
		return -EINVAL;
		}
		}

		void cnss_bus_fw_boot_timeout_hdlr(unsigned long data)
		{
		struct cnss_plat_data plat_priv = (struct cnss_plat_data )data;

		if (!plat_priv)
		return;

		switch (plat_priv->bus_type) {
		case CNSS_BUS_PCI:
		return cnss_pci_fw_boot_timeout_hdlr(plat_priv->bus_priv);
		default:
		cnss_pr_err("Unsupported bus type: %d\n",
		plat_priv->bus_type);
		return;
		}
		}

		void cnss_bus_collect_dump_info(struct cnss_plat_data *plat_priv)
		{
		if (!plat_priv)
		return;

		switch (plat_priv->bus_type) {
		case CNSS_BUS_PCI:
		return cnss_pci_collect_dump_info(plat_priv->bus_priv);
		default:
		cnss_pr_err("Unsupported bus type: %d\n",
		plat_priv->bus_type);
		return;
		}
		}

drivers/net/wireless/cnss2/bus.h

0 → 100644

+39 −0

Original line number	Diff line number	Diff line
		/* Copyright (c) 2018, 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 _CNSS_BUS_H
		#define _CNSS_BUS_H

		#include "main.h"

		#define QCA6174_VENDOR_ID 0x168C
		#define QCA6174_DEVICE_ID 0x003E
		#define QCA6174_REV_ID_OFFSET 0x08
		#define QCA6174_REV3_VERSION 0x5020000
		#define QCA6174_REV3_2_VERSION 0x5030000
		#define QCA6290_VENDOR_ID 0x17CB
		#define QCA6290_DEVICE_ID 0x1100
		#define QCA6290_EMULATION_VENDOR_ID 0x168C
		#define QCA6290_EMULATION_DEVICE_ID 0xABCD

		enum cnss_dev_bus_type cnss_get_dev_bus_type(struct device *dev);
		enum cnss_dev_bus_type cnss_get_bus_type(unsigned long device_id);
		int cnss_bus_init(struct cnss_plat_data *plat_priv);
		void cnss_bus_deinit(struct cnss_plat_data *plat_priv);
		int cnss_bus_load_m3(struct cnss_plat_data *plat_priv);
		int cnss_bus_alloc_fw_mem(struct cnss_plat_data *plat_priv);
		u32 cnss_bus_get_wake_irq(struct cnss_plat_data *plat_priv);
		int cnss_bus_force_fw_assert_hdlr(struct cnss_plat_data *plat_priv);
		void cnss_bus_fw_boot_timeout_hdlr(unsigned long data);
		void cnss_bus_collect_dump_info(struct cnss_plat_data *plat_priv);

		#endif /* _CNSS_BUS_H */

drivers/net/wireless/cnss2/main.c

+12 −93

Original line number	Diff line number	Diff line
		@@ -23,6 +23,7 @@
		#include <soc/qcom/subsystem_notif.h>

		#include "main.h"
		#include "bus.h"
		#include "debug.h"
		#include "pci.h"

		@@ -37,7 +38,6 @@
		#define FW_READY_TIMEOUT 20000
		#define FW_ASSERT_TIMEOUT 5000
		#define CNSS_EVENT_PENDING 2989
		#define WAKE_MSI_NAME "WAKE"

		static struct cnss_plat_data *plat_env;

		@@ -87,20 +87,6 @@ struct cnss_driver_event {
		void *data;
		};

		static enum cnss_dev_bus_type cnss_get_dev_bus_type(struct device *dev)
		{
		if (!dev)
		return CNSS_BUS_NONE;

		if (!dev->bus)
		return CNSS_BUS_NONE;

		if (memcmp(dev->bus->name, "pci", 3) == 0)
		return CNSS_BUS_PCI;
		else
		return CNSS_BUS_NONE;
		}

		static void cnss_set_plat_priv(struct platform_device *plat_dev,
		struct cnss_plat_data *plat_priv)
		{
		@@ -274,23 +260,6 @@ int cnss_get_platform_cap(struct device dev, struct cnss_platform_cap cap)
		}
		EXPORT_SYMBOL(cnss_get_platform_cap);

		int cnss_get_soc_info(struct device dev, struct cnss_soc_info info)
		{
		int ret = 0;
		struct cnss_plat_data *plat_priv = cnss_bus_dev_to_plat_priv(dev);
		void *bus_priv = cnss_bus_dev_to_bus_priv(dev);

		if (!plat_priv)
		return -ENODEV;

		ret = cnss_pci_get_bar_info(bus_priv, &info->va, &info->pa);
		if (ret)
		return ret;

		return 0;
		}
		EXPORT_SYMBOL(cnss_get_soc_info);

		void cnss_request_pm_qos(struct device *dev, u32 qos_val)
		{
		struct cnss_plat_data *plat_priv = cnss_bus_dev_to_plat_priv(dev);
		@@ -506,24 +475,6 @@ int cnss_set_fw_log_mode(struct device *dev, u8 fw_log_mode)
		}
		EXPORT_SYMBOL(cnss_set_fw_log_mode);

		u32 cnss_get_wake_msi(struct cnss_plat_data *plat_priv)
		{
		struct cnss_pci_data *pci_priv = plat_priv->bus_priv;
		int ret, num_vectors;
		u32 user_base_data, base_vector;

		ret = cnss_get_user_msi_assignment(&pci_priv->pci_dev->dev,
		WAKE_MSI_NAME, &num_vectors,
		&user_base_data, &base_vector);

		if (ret) {
		cnss_pr_err("WAKE MSI is not valid\n");
		return 0;
		}

		return user_base_data;
		}

		static int cnss_fw_mem_ready_hdlr(struct cnss_plat_data *plat_priv)
		{
		int ret = 0;
		@@ -541,7 +492,7 @@ static int cnss_fw_mem_ready_hdlr(struct cnss_plat_data *plat_priv)
		if (ret)
		goto out;

		ret = cnss_pci_load_m3(plat_priv->bus_priv);
		ret = cnss_bus_load_m3(plat_priv);
		if (ret)
		goto out;

		@@ -1483,7 +1434,7 @@ static int cnss_do_recovery(struct cnss_plat_data *plat_priv,
		cnss_pr_err("Failed to complete RDDM, err = %d\n", ret);
		break;
		}
		cnss_pci_collect_dump_info(pci_priv);
		cnss_bus_collect_dump_info(plat_priv);
		break;
		case CNSS_REASON_DEFAULT:
		case CNSS_REASON_TIMEOUT:
		@@ -1590,28 +1541,6 @@ void cnss_schedule_recovery(struct device *dev,
		}
		EXPORT_SYMBOL(cnss_schedule_recovery);

		static int cnss_force_fw_assert_hdlr(struct cnss_plat_data *plat_priv)
		{
		struct cnss_pci_data *pci_priv = plat_priv->bus_priv;
		int ret;

		ret = cnss_pci_set_mhi_state(plat_priv->bus_priv,
		CNSS_MHI_TRIGGER_RDDM);
		if (ret) {
		cnss_pr_err("Failed to trigger RDDM, err = %d\n", ret);
		cnss_schedule_recovery(&pci_priv->pci_dev->dev,
		CNSS_REASON_DEFAULT);
		return 0;
		}

		if (!test_bit(CNSS_DEV_ERR_NOTIFY, &plat_priv->driver_state)) {
		mod_timer(&plat_priv->fw_boot_timer,
		jiffies + msecs_to_jiffies(FW_ASSERT_TIMEOUT));
		}

		return 0;
		}

		int cnss_force_fw_assert(struct device *dev)
		{
		struct cnss_plat_data *plat_priv = cnss_bus_dev_to_plat_priv(dev);
		@@ -1639,17 +1568,6 @@ int cnss_force_fw_assert(struct device *dev)
		}
		EXPORT_SYMBOL(cnss_force_fw_assert);

		void fw_boot_timeout(unsigned long data)
		{
		struct cnss_plat_data plat_priv = (struct cnss_plat_data )data;
		struct cnss_pci_data *pci_priv = plat_priv->bus_priv;

		cnss_pr_err("Timeout waiting for FW ready indication!\n");

		cnss_schedule_recovery(&pci_priv->pci_dev->dev,
		CNSS_REASON_TIMEOUT);
		}

		static int cnss_register_driver_hdlr(struct cnss_plat_data *plat_priv,
		void *data)
		{
		@@ -1746,7 +1664,7 @@ static void cnss_driver_event_work(struct work_struct *work)
		ret = cnss_wlfw_server_exit(plat_priv);
		break;
		case CNSS_DRIVER_EVENT_REQUEST_MEM:
		ret = cnss_pci_alloc_fw_mem(plat_priv->bus_priv);
		ret = cnss_bus_alloc_fw_mem(plat_priv);
		if (ret)
		break;
		ret = cnss_wlfw_respond_mem_send_sync(plat_priv);
		@@ -1775,7 +1693,7 @@ static void cnss_driver_event_work(struct work_struct *work)
		event->data);
		break;
		case CNSS_DRIVER_EVENT_FORCE_FW_ASSERT:
		ret = cnss_force_fw_assert_hdlr(plat_priv);
		ret = cnss_bus_force_fw_assert_hdlr(plat_priv);
		break;
		case CNSS_DRIVER_EVENT_POWER_UP:
		ret = cnss_power_up_hdlr(plat_priv);
		@@ -2232,6 +2150,7 @@ static int cnss_probe(struct platform_device *plat_dev)

		plat_priv->plat_dev = plat_dev;
		plat_priv->device_id = device_id->driver_data;
		plat_priv->bus_type = cnss_get_bus_type(plat_priv->device_id);
		cnss_set_plat_priv(plat_dev, plat_priv);
		platform_set_drvdata(plat_dev, plat_priv);

		@@ -2244,14 +2163,14 @@ static int cnss_probe(struct platform_device *plat_dev)
		if (ret)
		goto free_res;

		ret = cnss_pci_init(plat_priv);
		ret = cnss_bus_init(plat_priv);
		if (ret)
		goto power_off;
		}

		ret = cnss_register_esoc(plat_priv);
		if (ret)
		goto deinit_pci;
		goto deinit_bus;

		ret = cnss_register_bus_scale(plat_priv);
		if (ret)
		@@ -2274,7 +2193,7 @@ static int cnss_probe(struct platform_device *plat_dev)
		goto deinit_qmi;

		setup_timer(&plat_priv->fw_boot_timer,
		fw_boot_timeout, (unsigned long)plat_priv);
		cnss_bus_fw_boot_timeout_hdlr, (unsigned long)plat_priv);

		register_pm_notifier(&cnss_pm_notifier);

		@@ -2300,9 +2219,9 @@ unreg_bus_scale:
		cnss_unregister_bus_scale(plat_priv);
		unreg_esoc:
		cnss_unregister_esoc(plat_priv);
		deinit_pci:
		deinit_bus:
		if (!test_bit(SKIP_DEVICE_BOOT, &quirks))
		cnss_pci_deinit(plat_priv);
		cnss_bus_deinit(plat_priv);
		power_off:
		if (!test_bit(SKIP_DEVICE_BOOT, &quirks))
		cnss_power_off_device(plat_priv);
		@@ -2329,7 +2248,7 @@ static int cnss_remove(struct platform_device *plat_dev)
		cnss_remove_sysfs(plat_priv);
		cnss_unregister_bus_scale(plat_priv);
		cnss_unregister_esoc(plat_priv);
		cnss_pci_deinit(plat_priv);
		cnss_bus_deinit(plat_priv);
		cnss_put_resources(plat_priv);
		platform_set_drvdata(plat_dev, NULL);
		plat_env = NULL;

drivers/net/wireless/cnss2/main.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -167,6 +167,7 @@ struct cnss_pin_connect_result {
		struct cnss_plat_data {
		struct platform_device *plat_dev;
		void *bus_priv;
		enum cnss_dev_bus_type bus_type;
		struct cnss_vreg_info *vreg_info;
		struct cnss_pinctrl_info pinctrl_info;
		struct cnss_subsys_info subsys_info;