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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2011 Realtek Corporation. */
/*++
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 "../include/HalPwrSeqCmd.h"
/* Description: */
/* This routine deals with the Power Configuration CMDs parsing
* for RTL8723/RTL8188E Series IC.
* Assumption:
* We should follow specific format which was released from HW SD.
*/
u8 HalPwrSeqCmdParsing(struct adapter *padapter, struct wl_pwr_cfg pwrseqcmd[])
{
struct wl_pwr_cfg pwrcfgcmd = {0};
u8 poll_bit = false;
u32 aryidx = 0;
u8 value = 0;
u32 offset = 0;
u32 poll_count = 0; /* polling autoload done. */
u32 max_poll_count = 5000;
do {
pwrcfgcmd = pwrseqcmd[aryidx];
switch (GET_PWR_CFG_CMD(pwrcfgcmd)) {
case PWR_CMD_WRITE:
offset = GET_PWR_CFG_OFFSET(pwrcfgcmd);
/* Read the value from system register */
value = rtw_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 */
rtw_write8(padapter, offset, value);
break;
case PWR_CMD_POLLING:
poll_bit = false;
offset = GET_PWR_CFG_OFFSET(pwrcfgcmd);
do {
value = rtw_read8(padapter, offset);
value &= GET_PWR_CFG_MASK(pwrcfgcmd);
if (value == (GET_PWR_CFG_VALUE(pwrcfgcmd) & GET_PWR_CFG_MASK(pwrcfgcmd)))
poll_bit = true;
else
udelay(10);
if (poll_count++ > max_poll_count) {
DBG_88E("Fail to polling Offset[%#x]\n", offset);
return false;
}
} while (!poll_bit);
break;
case PWR_CMD_DELAY:
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 */
return true;
break;
default:
break;
}
aryidx++;/* Add Array Index */
} while (1);
return true;
}
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