hal/halmac/halmac_88xx/halmac_8822b/halmac_pcie_8822b.c - kernel/amlogic-tv-modules/wifi_rtl8822BS - Git at Google

 /******************************************************************************
  *
  * Copyright(c) 2016 - 2017 Realtek Corporation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License 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 "halmac_pcie_8822b.h"
 #include "halmac_pwr_seq_8822b.h"
 #include "../halmac_init_88xx.h"
 #include "../halmac_common_88xx.h"
 #include "../halmac_pcie_88xx.h"
 #include "../halmac_88xx_cfg.h"

 #if HALMAC_8822B_SUPPORT

 /**
  * halmac_mac_power_switch_8822b_pcie() - switch mac power
  * @pHalmac_adapter : the adapter of halmac
  * @halmac_power : power state
  * Author : KaiYuan Chang
  * Return : HALMAC_RET_STATUS
  * More details of status code can be found in prototype document
  */
 HALMAC_RET_STATUS
 halmac_mac_power_switch_8822b_pcie(
 	IN PHALMAC_ADAPTER pHalmac_adapter,
 	IN HALMAC_MAC_POWER	halmac_power
 )
 {
 	u8 interface_mask;
 	u8 value8;
 	u8 rpwm;
 	VOID *pDriver_adapter = NULL;
 	PHALMAC_API pHalmac_api;
 	HALMAC_RET_STATUS status;

 	if (halmac_adapter_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
 		return HALMAC_RET_ADAPTER_INVALID;

 	if (halmac_api_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
 		return HALMAC_RET_API_INVALID;

 	pDriver_adapter = pHalmac_adapter->pDriver_adapter;
 	pHalmac_api = (PHALMAC_API)pHalmac_adapter->pHalmac_api;

 	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_mac_power_switch_88xx_pcie==========>\n", halmac_power);
 	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_power = %x\n", halmac_power);
 	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]8822B pwr seq ver = %s\n", HALMAC_8822B_PWR_SEQ_VER);

 	interface_mask = HALMAC_PWR_INTF_PCI_MSK;

 	pHalmac_adapter->rpwm_record = HALMAC_REG_READ_8(pHalmac_adapter, REG_PCIE_HRPWM1_V1);

 	/* Check FW still exist or not */
 	if (HALMAC_REG_READ_16(pHalmac_adapter, REG_MCUFW_CTRL) == 0xC078) {
 		/* Leave 32K */
 		rpwm = (u8)((pHalmac_adapter->rpwm_record ^ BIT(7)) & 0x80);
 		HALMAC_REG_WRITE_8(pHalmac_adapter, REG_PCIE_HRPWM1_V1, rpwm);
 	}

 	value8 = HALMAC_REG_READ_8(pHalmac_adapter, REG_CR);
 	if (value8 == 0xEA)
 		pHalmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_OFF;
 	else
 		pHalmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_ON;

 	/* Check if power switch is needed */
 	if (halmac_power == HALMAC_MAC_POWER_ON && pHalmac_adapter->halmac_state.mac_power == HALMAC_MAC_POWER_ON) {
 		PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_WARN, "[WARN]halmac_mac_power_switch power state unchange!\n");
 		return HALMAC_RET_PWR_UNCHANGE;
 	}

 	if (halmac_power == HALMAC_MAC_POWER_OFF) {
 		status = halmac_trxdma_check_idle_88xx(pHalmac_adapter);
 		if (status != HALMAC_RET_SUCCESS)
 			return status;
 		if (halmac_pwr_seq_parser_88xx(pHalmac_adapter, HALMAC_PWR_CUT_ALL_MSK, HALMAC_PWR_FAB_TSMC_MSK,
 			    interface_mask, halmac_8822b_card_disable_flow) != HALMAC_RET_SUCCESS) {
 			PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_ERR, "[ERR]Handle power off cmd error\n");
 			return HALMAC_RET_POWER_OFF_FAIL;
 		}

 		pHalmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_OFF;
 		pHalmac_adapter->halmac_state.ps_state = HALMAC_PS_STATE_UNDEFINE;
 		pHalmac_adapter->halmac_state.dlfw_state = HALMAC_DLFW_NONE;
 		halmac_init_adapter_dynamic_para_88xx(pHalmac_adapter);
 	} else {
 		if (halmac_pwr_seq_parser_88xx(pHalmac_adapter, HALMAC_PWR_CUT_ALL_MSK, HALMAC_PWR_FAB_TSMC_MSK,
 			    interface_mask, halmac_8822b_card_enable_flow) != HALMAC_RET_SUCCESS) {
 			PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_ERR, "[ERR]Handle power on cmd error\n");
 			return HALMAC_RET_POWER_ON_FAIL;
 		}

 		pHalmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_ON;
 		pHalmac_adapter->halmac_state.ps_state = HALMAC_PS_STATE_ACT;
 	}

 	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_mac_power_switch_88xx_pcie <==========\n");

 	return HALMAC_RET_SUCCESS;
 }

 /**
  * halmac_pcie_switch_8822b() - pcie gen1/gen2 switch
  * @pHalmac_adapter : the adapter of halmac
  * @pcie_cfg : gen1/gen2 selection
  * Author : KaiYuan Chang
  * Return : HALMAC_RET_STATUS
  * More details of status code can be found in prototype document
  */
 HALMAC_RET_STATUS
 halmac_pcie_switch_8822b_pcie(
 	IN PHALMAC_ADAPTER pHalmac_adapter,
 	IN HALMAC_PCIE_CFG	pcie_cfg
 )
 {
 	VOID *pDriver_adapter = NULL;
 	PHALMAC_API pHalmac_api;
 	u8 current_link_speed = 0;
 	u32 count = 0;

 	if (halmac_adapter_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
 		return HALMAC_RET_ADAPTER_INVALID;

 	if (halmac_api_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
 		return HALMAC_RET_API_INVALID;

 	pDriver_adapter = pHalmac_adapter->pDriver_adapter;
 	pHalmac_api = (PHALMAC_API)pHalmac_adapter->pHalmac_api;

 	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_pcie_switch_8822b ==========>\n");

 	/**
 	* Link Control 2 Register[3:0] Target Link Speed
 	* Defined encodings are:
 	* 0001b Target Link 2.5 GT/s
 	* 0010b Target Link 5.0 GT/s
 	* 0100b Target Link 8.0 GT/s
 	*/

 	if (pcie_cfg == HALMAC_PCIE_GEN1) {
 		/* cfg 0xA0[3:0]=4'b0001 */
 		halmac_dbi_write8_88xx(pHalmac_adapter, LINK_CTRL2_REG_OFFSET, (halmac_dbi_read8_88xx(pHalmac_adapter, LINK_CTRL2_REG_OFFSET) & 0xF0) | BIT(0));

 		/* cfg 0x80C[17]=1 //PCIe DesignWave */
 		halmac_dbi_write32_88xx(pHalmac_adapter, GEN2_CTRL_OFFSET, halmac_dbi_read32_88xx(pHalmac_adapter, GEN2_CTRL_OFFSET) | BIT(17));

 		/* check link speed if GEN1 */
 		/* cfg 0x82[3:0]=4'b0001 */
 		current_link_speed = halmac_dbi_read8_88xx(pHalmac_adapter, LINK_STATUS_REG_OFFSET) & 0x0F;
 		count = 2000;

 		while ((current_link_speed != HALMAC_PCIE_GEN1_SPEED_88XX) && (count != 0)) {
 			PLATFORM_RTL_DELAY_US(pDriver_adapter, 50);
 			current_link_speed = halmac_dbi_read8_88xx(pHalmac_adapter, LINK_STATUS_REG_OFFSET) & 0x0F;
 			count--;
 		}

 		if (current_link_speed != HALMAC_PCIE_GEN1_SPEED_88XX) {
 			PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_ERR, "[ERR]Speed change to GEN1 fail !\n");
 			return HALMAC_RET_FAIL;
 		}

 	} else if (pcie_cfg == HALMAC_PCIE_GEN2) {
 		/* cfg 0xA0[3:0]=4'b0010 */
 		halmac_dbi_write8_88xx(pHalmac_adapter, LINK_CTRL2_REG_OFFSET, (halmac_dbi_read8_88xx(pHalmac_adapter, LINK_CTRL2_REG_OFFSET) & 0xF0) | BIT(1));

 		/* cfg 0x80C[17]=1 //PCIe DesignWave */
 		halmac_dbi_write32_88xx(pHalmac_adapter, GEN2_CTRL_OFFSET, halmac_dbi_read32_88xx(pHalmac_adapter, GEN2_CTRL_OFFSET) | BIT(17));

 		/* check link speed if GEN2 */
 		/* cfg 0x82[3:0]=4'b0010 */
 		current_link_speed = halmac_dbi_read8_88xx(pHalmac_adapter, LINK_STATUS_REG_OFFSET) & 0x0F;
 		count = 2000;

 		while ((current_link_speed != HALMAC_PCIE_GEN2_SPEED_88XX) && (count != 0)) {
 			PLATFORM_RTL_DELAY_US(pDriver_adapter, 50);
 			current_link_speed = halmac_dbi_read8_88xx(pHalmac_adapter, LINK_STATUS_REG_OFFSET) & 0x0F;
 			count--;
 		}

 		if (current_link_speed != HALMAC_PCIE_GEN2_SPEED_88XX) {
 			PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_ERR, "[ERR]Speed change to GEN1 fail !\n");
 			return HALMAC_RET_FAIL;
 		}

 	} else {
 		PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_ERR, "[ERR]Error Speed !\n");
 		return HALMAC_RET_FAIL;
 	}

 	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_pcie_switch_8822b <==========\n");

 	return HALMAC_RET_SUCCESS;
 }

 /**
  * halmac_phy_cfg_8822b_pcie() - phy config
  * @pHalmac_adapter : the adapter of halmac
  * Author : KaiYuan Chang
  * Return : HALMAC_RET_STATUS
  * More details of status code can be found in prototype document
  */
 HALMAC_RET_STATUS
 halmac_phy_cfg_8822b_pcie(
 	IN PHALMAC_ADAPTER pHalmac_adapter,
 	IN HALMAC_INTF_PHY_PLATFORM platform
 )
 {
 	VOID *pDriver_adapter = NULL;
 	HALMAC_RET_STATUS status = HALMAC_RET_SUCCESS;
 	PHALMAC_API pHalmac_api;

 	if (halmac_adapter_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
 		return HALMAC_RET_ADAPTER_INVALID;

 	if (halmac_api_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
 		return HALMAC_RET_API_INVALID;

 	pDriver_adapter = pHalmac_adapter->pDriver_adapter;
 	pHalmac_api = (PHALMAC_API)pHalmac_adapter->pHalmac_api;

 	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_phy_cfg ==========>\n");

 	status = halmac_parse_intf_phy_88xx(pHalmac_adapter, HALMAC_RTL8822B_PCIE_PHY_GEN1, platform, HAL_INTF_PHY_PCIE_GEN1);

 	if (status != HALMAC_RET_SUCCESS)
 		return status;

 	status = halmac_parse_intf_phy_88xx(pHalmac_adapter, HALMAC_RTL8822B_PCIE_PHY_GEN2, platform, HAL_INTF_PHY_PCIE_GEN2);

 	if (status != HALMAC_RET_SUCCESS)
 		return status;

 	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_phy_cfg <==========\n");

 	return HALMAC_RET_SUCCESS;
 }

 /**
  * halmac_interface_integration_tuning_8822b_pcie() - pcie interface fine tuning
  * @pHalmac_adapter : the adapter of halmac
  * Author : Rick Liu
  * Return : HALMAC_RET_STATUS
  * More details of status code can be found in prototype document
  */
 HALMAC_RET_STATUS
 halmac_interface_integration_tuning_8822b_pcie(
 	IN PHALMAC_ADAPTER pHalmac_adapter
 )
 {
 	return HALMAC_RET_SUCCESS;
 }

 #endif /* HALMAC_8822B_SUPPORT*/
	/******************************************************************************
	*
	* Copyright(c) 2016 - 2017 Realtek Corporation. All rights reserved.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms of version 2 of the GNU General Public License 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 "halmac_pcie_8822b.h"
	#include "halmac_pwr_seq_8822b.h"
	#include "../halmac_init_88xx.h"
	#include "../halmac_common_88xx.h"
	#include "../halmac_pcie_88xx.h"
	#include "../halmac_88xx_cfg.h"

	#if HALMAC_8822B_SUPPORT

	/**
	* halmac_mac_power_switch_8822b_pcie() - switch mac power
	* @pHalmac_adapter : the adapter of halmac
	* @halmac_power : power state
	* Author : KaiYuan Chang
	* Return : HALMAC_RET_STATUS
	* More details of status code can be found in prototype document
	*/
	HALMAC_RET_STATUS
	halmac_mac_power_switch_8822b_pcie(
	IN PHALMAC_ADAPTER pHalmac_adapter,
	IN HALMAC_MAC_POWER halmac_power
	)
	{
	u8 interface_mask;
	u8 value8;
	u8 rpwm;
	VOID *pDriver_adapter = NULL;
	PHALMAC_API pHalmac_api;
	HALMAC_RET_STATUS status;

	if (halmac_adapter_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
	return HALMAC_RET_ADAPTER_INVALID;

	if (halmac_api_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
	return HALMAC_RET_API_INVALID;

	pDriver_adapter = pHalmac_adapter->pDriver_adapter;
	pHalmac_api = (PHALMAC_API)pHalmac_adapter->pHalmac_api;

	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_mac_power_switch_88xx_pcie==========>\n", halmac_power);
	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_power = %x\n", halmac_power);
	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]8822B pwr seq ver = %s\n", HALMAC_8822B_PWR_SEQ_VER);

	interface_mask = HALMAC_PWR_INTF_PCI_MSK;

	pHalmac_adapter->rpwm_record = HALMAC_REG_READ_8(pHalmac_adapter, REG_PCIE_HRPWM1_V1);

	/* Check FW still exist or not */
	if (HALMAC_REG_READ_16(pHalmac_adapter, REG_MCUFW_CTRL) == 0xC078) {
	/* Leave 32K */
	rpwm = (u8)((pHalmac_adapter->rpwm_record ^ BIT(7)) & 0x80);
	HALMAC_REG_WRITE_8(pHalmac_adapter, REG_PCIE_HRPWM1_V1, rpwm);
	}

	value8 = HALMAC_REG_READ_8(pHalmac_adapter, REG_CR);
	if (value8 == 0xEA)
	pHalmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_OFF;
	else
	pHalmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_ON;

	/* Check if power switch is needed */
	if (halmac_power == HALMAC_MAC_POWER_ON && pHalmac_adapter->halmac_state.mac_power == HALMAC_MAC_POWER_ON) {
	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_WARN, "[WARN]halmac_mac_power_switch power state unchange!\n");
	return HALMAC_RET_PWR_UNCHANGE;
	}

	if (halmac_power == HALMAC_MAC_POWER_OFF) {
	status = halmac_trxdma_check_idle_88xx(pHalmac_adapter);
	if (status != HALMAC_RET_SUCCESS)
	return status;
	if (halmac_pwr_seq_parser_88xx(pHalmac_adapter, HALMAC_PWR_CUT_ALL_MSK, HALMAC_PWR_FAB_TSMC_MSK,
	interface_mask, halmac_8822b_card_disable_flow) != HALMAC_RET_SUCCESS) {
	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_ERR, "[ERR]Handle power off cmd error\n");
	return HALMAC_RET_POWER_OFF_FAIL;
	}

	pHalmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_OFF;
	pHalmac_adapter->halmac_state.ps_state = HALMAC_PS_STATE_UNDEFINE;
	pHalmac_adapter->halmac_state.dlfw_state = HALMAC_DLFW_NONE;
	halmac_init_adapter_dynamic_para_88xx(pHalmac_adapter);
	} else {
	if (halmac_pwr_seq_parser_88xx(pHalmac_adapter, HALMAC_PWR_CUT_ALL_MSK, HALMAC_PWR_FAB_TSMC_MSK,
	interface_mask, halmac_8822b_card_enable_flow) != HALMAC_RET_SUCCESS) {
	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_ERR, "[ERR]Handle power on cmd error\n");
	return HALMAC_RET_POWER_ON_FAIL;
	}

	pHalmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_ON;
	pHalmac_adapter->halmac_state.ps_state = HALMAC_PS_STATE_ACT;
	}

	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_mac_power_switch_88xx_pcie <==========\n");

	return HALMAC_RET_SUCCESS;
	}

	/**
	* halmac_pcie_switch_8822b() - pcie gen1/gen2 switch
	* @pHalmac_adapter : the adapter of halmac
	* @pcie_cfg : gen1/gen2 selection
	* Author : KaiYuan Chang
	* Return : HALMAC_RET_STATUS
	* More details of status code can be found in prototype document
	*/
	HALMAC_RET_STATUS
	halmac_pcie_switch_8822b_pcie(
	IN PHALMAC_ADAPTER pHalmac_adapter,
	IN HALMAC_PCIE_CFG pcie_cfg
	)
	{
	VOID *pDriver_adapter = NULL;
	PHALMAC_API pHalmac_api;
	u8 current_link_speed = 0;
	u32 count = 0;

	if (halmac_adapter_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
	return HALMAC_RET_ADAPTER_INVALID;

	if (halmac_api_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
	return HALMAC_RET_API_INVALID;

	pDriver_adapter = pHalmac_adapter->pDriver_adapter;
	pHalmac_api = (PHALMAC_API)pHalmac_adapter->pHalmac_api;

	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_pcie_switch_8822b ==========>\n");

	/**
	* Link Control 2 Register[3:0] Target Link Speed
	* Defined encodings are:
	* 0001b Target Link 2.5 GT/s
	* 0010b Target Link 5.0 GT/s
	* 0100b Target Link 8.0 GT/s
	*/

	if (pcie_cfg == HALMAC_PCIE_GEN1) {
	/* cfg 0xA0[3:0]=4'b0001 */
	halmac_dbi_write8_88xx(pHalmac_adapter, LINK_CTRL2_REG_OFFSET, (halmac_dbi_read8_88xx(pHalmac_adapter, LINK_CTRL2_REG_OFFSET) & 0xF0) \| BIT(0));

	/* cfg 0x80C[17]=1 //PCIe DesignWave */
	halmac_dbi_write32_88xx(pHalmac_adapter, GEN2_CTRL_OFFSET, halmac_dbi_read32_88xx(pHalmac_adapter, GEN2_CTRL_OFFSET) \| BIT(17));

	/* check link speed if GEN1 */
	/* cfg 0x82[3:0]=4'b0001 */
	current_link_speed = halmac_dbi_read8_88xx(pHalmac_adapter, LINK_STATUS_REG_OFFSET) & 0x0F;
	count = 2000;

	while ((current_link_speed != HALMAC_PCIE_GEN1_SPEED_88XX) && (count != 0)) {
	PLATFORM_RTL_DELAY_US(pDriver_adapter, 50);
	current_link_speed = halmac_dbi_read8_88xx(pHalmac_adapter, LINK_STATUS_REG_OFFSET) & 0x0F;
	count--;
	}

	if (current_link_speed != HALMAC_PCIE_GEN1_SPEED_88XX) {
	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_ERR, "[ERR]Speed change to GEN1 fail !\n");
	return HALMAC_RET_FAIL;
	}

	} else if (pcie_cfg == HALMAC_PCIE_GEN2) {
	/* cfg 0xA0[3:0]=4'b0010 */
	halmac_dbi_write8_88xx(pHalmac_adapter, LINK_CTRL2_REG_OFFSET, (halmac_dbi_read8_88xx(pHalmac_adapter, LINK_CTRL2_REG_OFFSET) & 0xF0) \| BIT(1));

	/* cfg 0x80C[17]=1 //PCIe DesignWave */
	halmac_dbi_write32_88xx(pHalmac_adapter, GEN2_CTRL_OFFSET, halmac_dbi_read32_88xx(pHalmac_adapter, GEN2_CTRL_OFFSET) \| BIT(17));

	/* check link speed if GEN2 */
	/* cfg 0x82[3:0]=4'b0010 */
	current_link_speed = halmac_dbi_read8_88xx(pHalmac_adapter, LINK_STATUS_REG_OFFSET) & 0x0F;
	count = 2000;

	while ((current_link_speed != HALMAC_PCIE_GEN2_SPEED_88XX) && (count != 0)) {
	PLATFORM_RTL_DELAY_US(pDriver_adapter, 50);
	current_link_speed = halmac_dbi_read8_88xx(pHalmac_adapter, LINK_STATUS_REG_OFFSET) & 0x0F;
	count--;
	}

	if (current_link_speed != HALMAC_PCIE_GEN2_SPEED_88XX) {
	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_ERR, "[ERR]Speed change to GEN1 fail !\n");
	return HALMAC_RET_FAIL;
	}

	} else {
	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_ERR, "[ERR]Error Speed !\n");
	return HALMAC_RET_FAIL;
	}

	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_pcie_switch_8822b <==========\n");

	return HALMAC_RET_SUCCESS;
	}

	/**
	* halmac_phy_cfg_8822b_pcie() - phy config
	* @pHalmac_adapter : the adapter of halmac
	* Author : KaiYuan Chang
	* Return : HALMAC_RET_STATUS
	* More details of status code can be found in prototype document
	*/
	HALMAC_RET_STATUS
	halmac_phy_cfg_8822b_pcie(
	IN PHALMAC_ADAPTER pHalmac_adapter,
	IN HALMAC_INTF_PHY_PLATFORM platform
	)
	{
	VOID *pDriver_adapter = NULL;
	HALMAC_RET_STATUS status = HALMAC_RET_SUCCESS;
	PHALMAC_API pHalmac_api;

	if (halmac_adapter_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
	return HALMAC_RET_ADAPTER_INVALID;

	if (halmac_api_validate(pHalmac_adapter) != HALMAC_RET_SUCCESS)
	return HALMAC_RET_API_INVALID;

	pDriver_adapter = pHalmac_adapter->pDriver_adapter;
	pHalmac_api = (PHALMAC_API)pHalmac_adapter->pHalmac_api;

	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_phy_cfg ==========>\n");

	status = halmac_parse_intf_phy_88xx(pHalmac_adapter, HALMAC_RTL8822B_PCIE_PHY_GEN1, platform, HAL_INTF_PHY_PCIE_GEN1);

	if (status != HALMAC_RET_SUCCESS)
	return status;

	status = halmac_parse_intf_phy_88xx(pHalmac_adapter, HALMAC_RTL8822B_PCIE_PHY_GEN2, platform, HAL_INTF_PHY_PCIE_GEN2);

	if (status != HALMAC_RET_SUCCESS)
	return status;

	PLATFORM_MSG_PRINT(pDriver_adapter, HALMAC_MSG_PWR, HALMAC_DBG_TRACE, "[TRACE]halmac_phy_cfg <==========\n");

	return HALMAC_RET_SUCCESS;
	}

	/**
	* halmac_interface_integration_tuning_8822b_pcie() - pcie interface fine tuning
	* @pHalmac_adapter : the adapter of halmac
	* Author : Rick Liu
	* Return : HALMAC_RET_STATUS
	* More details of status code can be found in prototype document
	*/
	HALMAC_RET_STATUS
	halmac_interface_integration_tuning_8822b_pcie(
	IN PHALMAC_ADAPTER pHalmac_adapter
	)
	{
	return HALMAC_RET_SUCCESS;
	}

	#endif /* HALMAC_8822B_SUPPORT*/