cregit-Linux how code gets into the kernel

Release 4.7 drivers/staging/rtl8723au/hal/HalPwrSeqCmd.c

/******************************************************************************
 *
 * Copyright(c) 2007 - 2011 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.
 *
 ******************************************************************************/
/*++
Copyright (c) Realtek Semiconductor Corp. All rights reserved.

Module Name:
        HalPwrSeqCmd.c

Abstract:
        Implement HW Power sequence configuration CMD handling routine for
        Realtek devices.

Major Change History:
        When       Who               What
        ---------- ---------------   -------------------------------
        2011-10-26 Lucas            Modify to be compatible with SD4-CE driver.
        2011-07-07 Roger            Create.

--*/
#include <HalPwrSeqCmd.h>
#include <usb_ops_linux.h>

/*  */
/*      Description: */
/*              This routine deal with the Power Configuration CMDs parsing
                for RTL8723/RTL8188E Series IC. */
/*  */
/*      Assumption: */
/*              We should follow specific format which was released from
                HW SD. */
/*  */
/*      2011.07.07, added by Roger. */
/*  */

u8 HalPwrSeqCmdParsing23a(struct rtw_adapter *padapter, u8 CutVersion, u8 FabVersion, u8 InterfaceType, struct wlan_pwr_cfg PwrSeqCmd[]) { struct wlan_pwr_cfg PwrCfgCmd; u8 bPollingBit; u32 AryIdx = 0; u8 value; u32 offset; u32 pollingCount = 0; /* polling autoload done. */ u32 maxPollingCnt = 5000; do { PwrCfgCmd = PwrSeqCmd[AryIdx]; RT_TRACE(_module_hal_init_c_, _drv_info_, "HalPwrSeqCmdParsing23a: offset(%#x) cut_msk(%#x) fab_msk(%#x) interface_msk(%#x) base(%#x) cmd(%#x) msk(%#x) value(%#x)\n", GET_PWR_CFG_OFFSET(PwrCfgCmd), GET_PWR_CFG_CUT_MASK(PwrCfgCmd), GET_PWR_CFG_FAB_MASK(PwrCfgCmd), GET_PWR_CFG_INTF_MASK(PwrCfgCmd), GET_PWR_CFG_BASE(PwrCfgCmd), GET_PWR_CFG_CMD(PwrCfgCmd), GET_PWR_CFG_MASK(PwrCfgCmd), GET_PWR_CFG_VALUE(PwrCfgCmd)); /* 2 Only Handle the command whose FAB, CUT, and Interface are matched */ if ((GET_PWR_CFG_FAB_MASK(PwrCfgCmd) & FabVersion) && (GET_PWR_CFG_CUT_MASK(PwrCfgCmd) & CutVersion) && (GET_PWR_CFG_INTF_MASK(PwrCfgCmd) & InterfaceType)) { switch (GET_PWR_CFG_CMD(PwrCfgCmd)) { case PWR_CMD_READ: RT_TRACE(_module_hal_init_c_, _drv_info_, "HalPwrSeqCmdParsing23a: PWR_CMD_READ\n"); break; case PWR_CMD_WRITE: RT_TRACE(_module_hal_init_c_, _drv_info_, "HalPwrSeqCmdParsing23a: PWR_CMD_WRITE\n"); offset = GET_PWR_CFG_OFFSET(PwrCfgCmd); /* Read the value from system register */ value = rtl8723au_read8(padapter, offset); value &= ~(GET_PWR_CFG_MASK(PwrCfgCmd)); value |= (GET_PWR_CFG_VALUE(PwrCfgCmd) & GET_PWR_CFG_MASK(PwrCfgCmd)); /* Write the value back to system register */ rtl8723au_write8(padapter, offset, value); break; case PWR_CMD_POLLING: RT_TRACE(_module_hal_init_c_, _drv_info_, "HalPwrSeqCmdParsing23a: PWR_CMD_POLLING\n"); bPollingBit = false; offset = GET_PWR_CFG_OFFSET(PwrCfgCmd); do { value = rtl8723au_read8(padapter, offset); value &= GET_PWR_CFG_MASK(PwrCfgCmd); if (value == (GET_PWR_CFG_VALUE(PwrCfgCmd) & GET_PWR_CFG_MASK(PwrCfgCmd))) bPollingBit = true; else udelay(10); if (pollingCount++ > maxPollingCnt) { DBG_8723A("Fail to polling " "Offset[%#x]\n", offset); return false; } } while (!bPollingBit); break; case PWR_CMD_DELAY: RT_TRACE(_module_hal_init_c_, _drv_info_, "HalPwrSeqCmdParsing23a: PWR_CMD_DELAY\n"); if (GET_PWR_CFG_VALUE(PwrCfgCmd) == PWRSEQ_DELAY_US) udelay(GET_PWR_CFG_OFFSET(PwrCfgCmd)); else udelay(GET_PWR_CFG_OFFSET(PwrCfgCmd) * 1000); break; case PWR_CMD_END: /* When this command is parsed, end the process */ RT_TRACE(_module_hal_init_c_, _drv_info_, "HalPwrSeqCmdParsing23a: PWR_CMD_END\n"); return true; default: RT_TRACE(_module_hal_init_c_, _drv_err_, "HalPwrSeqCmdParsing23a: Unknown CMD!!\n"); break; } } AryIdx++; /* Add Array Index */ } while (1); return true; }

Contributors

PersonTokensPropCommitsCommitProp
larry fingerlarry finger38695.31%120.00%
joe perchesjoe perches153.70%120.00%
jes sorensenjes sorensen30.74%240.00%
carlos e. garciacarlos e. garcia10.25%120.00%
Total405100.00%5100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
larry fingerlarry finger40094.79%120.00%
joe perchesjoe perches153.55%120.00%
jes sorensenjes sorensen61.42%240.00%
carlos e. garciacarlos e. garcia10.24%120.00%
Total422100.00%5100.00%
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