/******************************************************************************
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*
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* Copyright(c) 2016 - 2019 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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******************************************************************************/
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#include "halmac_usb_88xx.h"
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#if (HALMAC_88XX_SUPPORT && HALMAC_USB_SUPPORT)
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enum usb_burst_size {
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USB_BURST_SIZE_3_0 = 0x0,
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USB_BURST_SIZE_2_0_HS = 0x1,
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USB_BURST_SIZE_2_0_FS = 0x2,
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USB_BURST_SIZE_2_0_OTHERS = 0x3,
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USB_BURST_SIZE_UNDEFINE = 0x7F,
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};
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#define USB_PHY_PAGE0 0x9B
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#define USB_PHY_PAGE1 0xBB
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/**
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* init_usb_cfg_88xx() - init USB
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* @adapter : the adapter of halmac
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* Author : KaiYuan Chang/Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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init_usb_cfg_88xx(struct halmac_adapter *adapter)
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{
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u8 value8 = 0;
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struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
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PLTFM_MSG_TRACE("[TRACE]%s ===>\n", __func__);
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value8 |= (BIT_DMA_MODE | (0x3 << BIT_SHIFT_BURST_CNT));
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if (HALMAC_REG_R8(REG_SYS_CFG2 + 3) == 0x20) {
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/* usb3.0 */
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value8 |= (USB_BURST_SIZE_3_0 << BIT_SHIFT_BURST_SIZE);
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} else {
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if ((HALMAC_REG_R8(REG_USB_USBSTAT) & 0x3) == 0x1)/* usb2.0 */
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value8 |= USB_BURST_SIZE_2_0_HS << BIT_SHIFT_BURST_SIZE;
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else /* usb1.1 */
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value8 |= USB_BURST_SIZE_2_0_FS << BIT_SHIFT_BURST_SIZE;
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}
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HALMAC_REG_W8(REG_RXDMA_MODE, value8);
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HALMAC_REG_W16_SET(REG_TXDMA_OFFSET_CHK, BIT_DROP_DATA_EN);
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PLTFM_MSG_TRACE("[TRACE]%s <===\n", __func__);
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return HALMAC_RET_SUCCESS;
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}
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/**
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* deinit_usb_cfg_88xx() - deinit USB
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* @adapter : the adapter of halmac
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* Author : KaiYuan Chang/Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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deinit_usb_cfg_88xx(struct halmac_adapter *adapter)
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{
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return HALMAC_RET_SUCCESS;
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}
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/**
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* cfg_usb_rx_agg_88xx() - config rx aggregation
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* @adapter : the adapter of halmac
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* @halmac_rx_agg_mode
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* Author : KaiYuan Chang/Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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cfg_usb_rx_agg_88xx(struct halmac_adapter *adapter,
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struct halmac_rxagg_cfg *cfg)
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{
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u8 dma_usb_agg;
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u8 size;
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u8 timeout;
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u8 agg_enable;
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u32 value32;
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struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
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PLTFM_MSG_TRACE("[TRACE]%s ===>\n", __func__);
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dma_usb_agg = HALMAC_REG_R8(REG_RXDMA_AGG_PG_TH + 3);
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agg_enable = HALMAC_REG_R8(REG_TXDMA_PQ_MAP);
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switch (cfg->mode) {
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case HALMAC_RX_AGG_MODE_NONE:
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agg_enable &= ~BIT_RXDMA_AGG_EN;
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break;
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case HALMAC_RX_AGG_MODE_DMA:
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agg_enable |= BIT_RXDMA_AGG_EN;
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dma_usb_agg |= BIT(7);
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break;
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case HALMAC_RX_AGG_MODE_USB:
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agg_enable |= BIT_RXDMA_AGG_EN;
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dma_usb_agg &= ~BIT(7);
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break;
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default:
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PLTFM_MSG_ERR("[ERR]unsupported mode\n");
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agg_enable &= ~BIT_RXDMA_AGG_EN;
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break;
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}
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if (cfg->threshold.drv_define == 0) {
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if (HALMAC_REG_R8(REG_SYS_CFG2 + 3) == 0x20) {
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/* usb3.0 */
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size = 0x5;
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timeout = 0xA;
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} else {
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/* usb2.0 */
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size = 0x5;
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timeout = 0x20;
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}
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} else {
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size = cfg->threshold.size;
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timeout = cfg->threshold.timeout;
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}
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value32 = HALMAC_REG_R32(REG_RXDMA_AGG_PG_TH);
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if (cfg->threshold.size_limit_en == 0)
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HALMAC_REG_W32(REG_RXDMA_AGG_PG_TH, value32 & ~BIT_EN_PRE_CALC);
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else
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HALMAC_REG_W32(REG_RXDMA_AGG_PG_TH, value32 | BIT_EN_PRE_CALC);
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HALMAC_REG_W8(REG_TXDMA_PQ_MAP, agg_enable);
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HALMAC_REG_W8(REG_RXDMA_AGG_PG_TH + 3, dma_usb_agg);
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HALMAC_REG_W16(REG_RXDMA_AGG_PG_TH,
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(u16)(size | (timeout << BIT_SHIFT_DMA_AGG_TO_V1)));
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PLTFM_MSG_TRACE("[TRACE]%s <===\n", __func__);
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return HALMAC_RET_SUCCESS;
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}
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/**
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* reg_r8_usb_88xx() - read 1byte register
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* @adapter : the adapter of halmac
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* @offset : register offset
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* Author : KaiYuan Chang/Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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u8
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reg_r8_usb_88xx(struct halmac_adapter *adapter, u32 offset)
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{
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return PLTFM_REG_R8(offset);
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}
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/**
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* reg_w8_usb_88xx() - write 1byte register
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* @adapter : the adapter of halmac
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* @offset : register offset
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* @value : register value
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* Author : KaiYuan Chang/Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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reg_w8_usb_88xx(struct halmac_adapter *adapter, u32 offset, u8 value)
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{
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PLTFM_REG_W8(offset, value);
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return HALMAC_RET_SUCCESS;
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}
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/**
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* reg_r16_usb_88xx() - read 2byte register
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* @adapter : the adapter of halmac
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* @offset : register offset
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* Author : KaiYuan Chang/Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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u16
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reg_r16_usb_88xx(struct halmac_adapter *adapter, u32 offset)
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{
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return PLTFM_REG_R16(offset);
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}
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/**
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* reg_w16_usb_88xx() - write 2byte register
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* @adapter : the adapter of halmac
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* @offset : register offset
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* @value : register value
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* Author : KaiYuan Chang/Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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reg_w16_usb_88xx(struct halmac_adapter *adapter, u32 offset, u16 value)
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{
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PLTFM_REG_W16(offset, value);
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return HALMAC_RET_SUCCESS;
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}
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/**
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* reg_r32_usb_88xx() - read 4byte register
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* @adapter : the adapter of halmac
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* @offset : register offset
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* Author : KaiYuan Chang/Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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u32
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reg_r32_usb_88xx(struct halmac_adapter *adapter, u32 offset)
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{
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return PLTFM_REG_R32(offset);
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}
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/**
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* reg_w32_usb_88xx() - write 4byte register
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* @adapter : the adapter of halmac
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* @offset : register offset
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* @value : register value
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* Author : KaiYuan Chang/Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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reg_w32_usb_88xx(struct halmac_adapter *adapter, u32 offset, u32 value)
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{
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PLTFM_REG_W32(offset, value);
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return HALMAC_RET_SUCCESS;
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}
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/**
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* set_usb_bulkout_num_88xx() - inform bulk-out num
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* @adapter : the adapter of halmac
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* @bulkout_num : usb bulk-out number
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* Author : KaiYuan Chang
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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set_usb_bulkout_num_88xx(struct halmac_adapter *adapter, u8 num)
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{
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adapter->bulkout_num = num;
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return HALMAC_RET_SUCCESS;
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}
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/**
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* get_usb_bulkout_id_88xx() - get bulk out id for the TX packet
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* @adapter : the adapter of halmac
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* @buf : tx packet, include txdesc
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* @size : tx packet size
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* @id : usb bulk-out id
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* Author : KaiYuan Chang
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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get_usb_bulkout_id_88xx(struct halmac_adapter *adapter, u8 *buf, u32 size,
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u8 *id)
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{
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enum halmac_qsel queue_sel;
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enum halmac_dma_mapping dma_mapping;
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PLTFM_MSG_TRACE("[TRACE]%s ===>\n", __func__);
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if (!buf) {
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PLTFM_MSG_ERR("[ERR]buf is NULL!!\n");
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return HALMAC_RET_DATA_BUF_NULL;
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}
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if (size == 0) {
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PLTFM_MSG_ERR("[ERR]size is 0!!\n");
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return HALMAC_RET_DATA_SIZE_INCORRECT;
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}
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queue_sel = (enum halmac_qsel)GET_TX_DESC_QSEL(buf);
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switch (queue_sel) {
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case HALMAC_QSEL_VO:
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case HALMAC_QSEL_VO_V2:
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dma_mapping = adapter->pq_map[HALMAC_PQ_MAP_VO];
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break;
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case HALMAC_QSEL_VI:
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case HALMAC_QSEL_VI_V2:
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dma_mapping = adapter->pq_map[HALMAC_PQ_MAP_VI];
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break;
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case HALMAC_QSEL_BE:
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case HALMAC_QSEL_BE_V2:
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dma_mapping = adapter->pq_map[HALMAC_PQ_MAP_BE];
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break;
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case HALMAC_QSEL_BK:
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case HALMAC_QSEL_BK_V2:
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dma_mapping = adapter->pq_map[HALMAC_PQ_MAP_BK];
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break;
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case HALMAC_QSEL_MGNT:
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dma_mapping = adapter->pq_map[HALMAC_PQ_MAP_MG];
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break;
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case HALMAC_QSEL_HIGH:
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case HALMAC_QSEL_BCN:
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case HALMAC_QSEL_CMD:
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dma_mapping = HALMAC_DMA_MAPPING_HIGH;
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break;
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default:
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PLTFM_MSG_ERR("[ERR]Qsel is out of range\n");
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return HALMAC_RET_QSEL_INCORRECT;
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}
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switch (dma_mapping) {
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case HALMAC_DMA_MAPPING_HIGH:
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*id = 0;
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break;
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case HALMAC_DMA_MAPPING_NORMAL:
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*id = 1;
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break;
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case HALMAC_DMA_MAPPING_LOW:
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*id = 2;
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break;
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case HALMAC_DMA_MAPPING_EXTRA:
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*id = 3;
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break;
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default:
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PLTFM_MSG_ERR("[ERR]out of range\n");
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return HALMAC_RET_DMA_MAP_INCORRECT;
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}
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PLTFM_MSG_TRACE("[TRACE]%s <===\n", __func__);
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return HALMAC_RET_SUCCESS;
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}
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/**
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* cfg_txagg_usb_align_88xx() -config sdio bus tx agg alignment
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* @adapter : the adapter of halmac
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* @enable : function enable(1)/disable(0)
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* @align_size : sdio bus tx agg alignment size (2^n, n = 3~11)
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* Author : Soar Tu
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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cfg_txagg_usb_align_88xx(struct halmac_adapter *adapter, u8 enable,
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u16 align_size)
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{
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return HALMAC_RET_NOT_SUPPORT;
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}
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/**
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* tx_allowed_usb_88xx() - check tx status
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* @adapter : the adapter of halmac
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* @buf : tx packet, include txdesc
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* @size : tx packet size, include txdesc
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* Author : Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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tx_allowed_usb_88xx(struct halmac_adapter *adapter, u8 *buf, u32 size)
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{
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return HALMAC_RET_NOT_SUPPORT;
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}
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/**
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* usb_indirect_reg_r32_88xx() - read MAC reg by SDIO reg
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* @adapter : the adapter of halmac
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* @offset : register offset
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* Author : Soar
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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u32
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usb_indirect_reg_r32_88xx(struct halmac_adapter *adapter, u32 offset)
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{
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return 0xFFFFFFFF;
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}
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/**
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* usb_reg_rn_88xx() - read n byte register
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* @adapter : the adapter of halmac
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* @offset : register offset
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* @size : register value size
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* @value : register value
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* Author : Soar
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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usb_reg_rn_88xx(struct halmac_adapter *adapter, u32 offset, u32 size,
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u8 *value)
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{
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return HALMAC_RET_NOT_SUPPORT;
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}
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/**
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* get_usb_tx_addr_88xx() - get CMD53 addr for the TX packet
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* @adapter : the adapter of halmac
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* @buf : tx packet, include txdesc
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* @size : tx packet size
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* @pcmd53_addr : cmd53 addr value
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* Author : KaiYuan Chang/Ivan Lin
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* Return : enum halmac_ret_status
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* More details of status code can be found in prototype document
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*/
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enum halmac_ret_status
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get_usb_tx_addr_88xx(struct halmac_adapter *adapter, u8 *buf, u32 size,
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u32 *cmd53_addr)
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{
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return HALMAC_RET_NOT_SUPPORT;
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}
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enum halmac_ret_status
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set_usb_mode_88xx(struct halmac_adapter *adapter, enum halmac_usb_mode mode)
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{
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u32 usb_tmp;
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struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
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enum halmac_usb_mode cur_mode;
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cur_mode = (HALMAC_REG_R8(REG_SYS_CFG2 + 3) == 0x20) ?
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HALMAC_USB_MODE_U3 : HALMAC_USB_MODE_U2;
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/* check if HW supports usb2_usb3 switch */
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usb_tmp = HALMAC_REG_R32(REG_PAD_CTRL2);
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if (0 == (BIT_GET_USB23_SW_MODE_V1(usb_tmp) |
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(usb_tmp & BIT_USB3_USB2_TRANSITION))) {
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PLTFM_MSG_ERR("[ERR]u2/u3 switch\n");
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return HALMAC_RET_USB2_3_SWITCH_UNSUPPORT;
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}
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if (mode == cur_mode) {
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PLTFM_MSG_ERR("[ERR]u2/u3 unchange\n");
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return HALMAC_RET_USB_MODE_UNCHANGE;
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}
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/* Enable IO wrapper timeout */
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if (adapter->chip_id == HALMAC_CHIP_ID_8822B ||
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adapter->chip_id == HALMAC_CHIP_ID_8821C)
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HALMAC_REG_W8_CLR(REG_SW_MDIO + 3, BIT(0));
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usb_tmp &= ~(BIT_USB23_SW_MODE_V1(0x3));
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if (mode == HALMAC_USB_MODE_U2)
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HALMAC_REG_W32(REG_PAD_CTRL2,
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usb_tmp |
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BIT_USB23_SW_MODE_V1(HALMAC_USB_MODE_U2) |
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BIT_RSM_EN_V1);
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else
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HALMAC_REG_W32(REG_PAD_CTRL2,
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usb_tmp |
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BIT_USB23_SW_MODE_V1(HALMAC_USB_MODE_U3) |
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BIT_RSM_EN_V1);
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HALMAC_REG_W8(REG_PAD_CTRL2 + 1, 4);
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HALMAC_REG_W16_SET(REG_SYS_PW_CTRL, BIT_APFM_OFFMAC);
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PLTFM_DELAY_US(1000);
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HALMAC_REG_W32_SET(REG_PAD_CTRL2, BIT_NO_PDN_CHIPOFF_V1);
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return HALMAC_RET_SUCCESS;
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}
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enum halmac_ret_status
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usbphy_write_88xx(struct halmac_adapter *adapter, u8 addr, u16 data, u8 speed)
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{
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struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
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if (speed == HAL_INTF_PHY_USB3) {
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HALMAC_REG_W8(0xff0d, (u8)data);
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HALMAC_REG_W8(0xff0e, (u8)(data >> 8));
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HALMAC_REG_W8(0xff0c, addr | BIT(7));
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} else if (speed == HAL_INTF_PHY_USB2) {
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HALMAC_REG_W8(0xfe41, (u8)data);
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HALMAC_REG_W8(0xfe40, addr);
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HALMAC_REG_W8(0xfe42, 0x81);
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} else {
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PLTFM_MSG_ERR("[ERR]Error USB Speed !\n");
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return HALMAC_RET_NOT_SUPPORT;
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}
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return HALMAC_RET_SUCCESS;
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}
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u16
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usbphy_read_88xx(struct halmac_adapter *adapter, u8 addr, u8 speed)
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{
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struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
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u16 value = 0;
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if (speed == HAL_INTF_PHY_USB3) {
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HALMAC_REG_W8(0xff0c, addr | BIT(6));
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value = (u16)(HALMAC_REG_R32(0xff0c) >> 8);
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} else if (speed == HAL_INTF_PHY_USB2) {
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if (addr >= 0xE0)
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addr -= 0x20;
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if (addr >= 0xC0 && addr <= 0xDF) {
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HALMAC_REG_W8(0xfe40, addr);
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HALMAC_REG_W8(0xfe42, 0x81);
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value = HALMAC_REG_R8(0xfe43);
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} else {
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PLTFM_MSG_ERR("[ERR]phy offset\n");
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return HALMAC_RET_NOT_SUPPORT;
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}
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} else {
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PLTFM_MSG_ERR("[ERR]usb speed !\n");
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return HALMAC_RET_NOT_SUPPORT;
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}
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return value;
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}
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enum halmac_ret_status
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en_ref_autok_usb_88xx(struct halmac_adapter *adapter, u8 en)
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{
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return HALMAC_RET_NOT_SUPPORT;
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}
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enum halmac_ret_status
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usb_page_switch_88xx(struct halmac_adapter *adapter, u8 speed, u8 page)
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{
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if (speed == HAL_INTF_PHY_USB3)
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return HALMAC_RET_SUCCESS;
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if (page == 0)
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usbphy_write_88xx(adapter, USB_REG_PAGE, USB_PHY_PAGE0, speed);
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else
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usbphy_write_88xx(adapter, USB_REG_PAGE, USB_PHY_PAGE1, speed);
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return HALMAC_RET_SUCCESS;
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}
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#endif /* HALMAC_88XX_SUPPORT */
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