Merge "cnss2: Export remote memory info" (cdced88e) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/net/wireless/cnss2/main.c

+76 −0

Original line number	Diff line number	Diff line
		@@ -80,6 +80,82 @@ struct cnss_plat_data cnss_get_plat_priv(struct platform_device plat_dev)
		return plat_env;
		}

		/**
		* cnss_get_mem_seg_count - Get segment count of memory
		* @type: memory type
		* @seg: segment count
		*
		* Return: 0 on success, negative value on failure
		*/
		int cnss_get_mem_seg_count(enum cnss_remote_mem_type type, u32 *seg)
		{
		struct cnss_plat_data *plat_priv;

		plat_priv = cnss_get_plat_priv(NULL);
		if (!plat_priv)
		return -ENODEV;

		switch (type) {
		case CNSS_REMOTE_MEM_TYPE_FW:
		*seg = plat_priv->fw_mem_seg_len;
		break;
		case CNSS_REMOTE_MEM_TYPE_QDSS:
		*seg = plat_priv->qdss_mem_seg_len;
		break;
		default:
		return -EINVAL;
		}

		return 0;
		}
		EXPORT_SYMBOL(cnss_get_mem_seg_count);

		/**
		* cnss_get_mem_segment_info - Get memory info of different type
		* @type: memory type
		* @segment: array to save the segment info
		* @seg: segment count
		*
		* Return: 0 on success, negative value on failure
		*/
		int cnss_get_mem_segment_info(enum cnss_remote_mem_type type,
		struct cnss_mem_segment segment[],
		u32 segment_count)
		{
		struct cnss_plat_data *plat_priv;
		u32 i;

		plat_priv = cnss_get_plat_priv(NULL);
		if (!plat_priv)
		return -ENODEV;

		switch (type) {
		case CNSS_REMOTE_MEM_TYPE_FW:
		if (segment_count > plat_priv->fw_mem_seg_len)
		segment_count = plat_priv->fw_mem_seg_len;
		for (i = 0; i < segment_count; i++) {
		segment[i].size = plat_priv->fw_mem[i].size;
		segment[i].va = plat_priv->fw_mem[i].va;
		segment[i].pa = plat_priv->fw_mem[i].pa;
		}
		break;
		case CNSS_REMOTE_MEM_TYPE_QDSS:
		if (segment_count > plat_priv->qdss_mem_seg_len)
		segment_count = plat_priv->qdss_mem_seg_len;
		for (i = 0; i < segment_count; i++) {
		segment[i].size = plat_priv->qdss_mem[i].size;
		segment[i].va = plat_priv->qdss_mem[i].va;
		segment[i].pa = plat_priv->qdss_mem[i].pa;
		}
		break;
		default:
		return -EINVAL;
		}

		return 0;
		}
		EXPORT_SYMBOL(cnss_get_mem_segment_info);

		static int cnss_pm_notify(struct notifier_block *b,
		unsigned long event, void *p)
		{

include/net/cnss2.h

+17 −2

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only */
		/* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved. */
		/* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved. */

		#ifndef _NET_CNSS2_H
		#define _NET_CNSS2_H
		@@ -169,6 +169,18 @@ enum cnss_recovery_reason {
		CNSS_REASON_TIMEOUT,
		};

		enum cnss_remote_mem_type {
		CNSS_REMOTE_MEM_TYPE_FW,
		CNSS_REMOTE_MEM_TYPE_QDSS,
		CNSS_REMOTE_MEM_TYPE_MAX,
		};

		struct cnss_mem_segment {
		size_t size;
		void *va;
		phys_addr_t pa;
		};

		extern int cnss_wlan_register_driver(struct cnss_wlan_driver *driver);
		extern void cnss_wlan_unregister_driver(struct cnss_wlan_driver *driver);
		extern void cnss_device_crashed(struct device *dev);
		@@ -241,5 +253,8 @@ extern int cnss_set_fw_log_mode(struct device *dev, uint8_t fw_log_mode);
		extern int cnss_set_pcie_gen_speed(struct device *dev, u8 pcie_gen_speed);
		extern int cnss_pci_get_reg_dump(struct device dev, uint8_t buffer,
		uint32_t len);

		extern int cnss_get_mem_seg_count(enum cnss_remote_mem_type type, u32 *seg);
		extern int cnss_get_mem_segment_info(enum cnss_remote_mem_type type,
		struct cnss_mem_segment segment[],
		u32 segment_count);
		#endif /* _NET_CNSS2_H */