// SPDX-License-Identifier: GPL-2.0
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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******************************************************************************/
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#include <pwrseqcmd.h>
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#include <usb_ops_linux.h>
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/* This routine deals with the Power Configuration CMDs parsing
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* for RTL8723/RTL8188E Series IC.
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*/
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u8 rtl88eu_pwrseqcmdparsing(struct adapter *padapter, u8 cut_vers,
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struct wl_pwr_cfg pwrseqcmd[])
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{
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struct wl_pwr_cfg pwrcfgcmd;
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u8 poll_bit = false;
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u32 aryidx = 0;
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u8 value = 0;
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u32 offset = 0;
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u32 poll_count = 0; /* polling autoload done. */
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u32 max_poll_count = 5000;
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do {
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pwrcfgcmd = pwrseqcmd[aryidx];
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RT_TRACE(_module_hal_init_c_, _drv_info_,
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("rtl88eu_pwrseqcmdparsing: offset(%#x) cut_msk(%#x)"
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" cmd(%#x)"
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"msk(%#x) value(%#x)\n",
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GET_PWR_CFG_OFFSET(pwrcfgcmd),
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GET_PWR_CFG_CUT_MASK(pwrcfgcmd),
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GET_PWR_CFG_CMD(pwrcfgcmd),
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GET_PWR_CFG_MASK(pwrcfgcmd),
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GET_PWR_CFG_VALUE(pwrcfgcmd)));
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/* Only Handle the command whose CUT is matched */
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if (GET_PWR_CFG_CUT_MASK(pwrcfgcmd) & cut_vers) {
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switch (GET_PWR_CFG_CMD(pwrcfgcmd)) {
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case PWR_CMD_READ:
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RT_TRACE(_module_hal_init_c_, _drv_info_,
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("rtl88eu_pwrseqcmdparsing: PWR_CMD_READ\n"));
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break;
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case PWR_CMD_WRITE:
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RT_TRACE(_module_hal_init_c_, _drv_info_,
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("rtl88eu_pwrseqcmdparsing: PWR_CMD_WRITE\n"));
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offset = GET_PWR_CFG_OFFSET(pwrcfgcmd);
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/* Read the value from system register */
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value = usb_read8(padapter, offset);
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value &= ~(GET_PWR_CFG_MASK(pwrcfgcmd));
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value |= (GET_PWR_CFG_VALUE(pwrcfgcmd) &
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GET_PWR_CFG_MASK(pwrcfgcmd));
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/* Write the value back to system register */
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usb_write8(padapter, offset, value);
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break;
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case PWR_CMD_POLLING:
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RT_TRACE(_module_hal_init_c_, _drv_info_,
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("rtl88eu_pwrseqcmdparsing: PWR_CMD_POLLING\n"));
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poll_bit = false;
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offset = GET_PWR_CFG_OFFSET(pwrcfgcmd);
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do {
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value = usb_read8(padapter, offset);
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value &= GET_PWR_CFG_MASK(pwrcfgcmd);
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if (value == (GET_PWR_CFG_VALUE(pwrcfgcmd) &
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GET_PWR_CFG_MASK(pwrcfgcmd)))
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poll_bit = true;
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else
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udelay(10);
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if (poll_count++ > max_poll_count) {
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DBG_88E("Fail to polling Offset[%#x]\n", offset);
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return false;
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}
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} while (!poll_bit);
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break;
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case PWR_CMD_DELAY:
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RT_TRACE(_module_hal_init_c_, _drv_info_,
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("rtl88eu_pwrseqcmdparsing: PWR_CMD_DELAY\n"));
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if (GET_PWR_CFG_VALUE(pwrcfgcmd) == PWRSEQ_DELAY_US)
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udelay(GET_PWR_CFG_OFFSET(pwrcfgcmd));
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else
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udelay(GET_PWR_CFG_OFFSET(pwrcfgcmd)*1000);
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break;
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case PWR_CMD_END:
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/* When this command is parsed, end the process */
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RT_TRACE(_module_hal_init_c_, _drv_info_,
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("rtl88eu_pwrseqcmdparsing: PWR_CMD_END\n"));
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return true;
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default:
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RT_TRACE(_module_hal_init_c_, _drv_err_,
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("rtl88eu_pwrseqcmdparsing: Unknown CMD!!\n"));
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break;
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}
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}
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aryidx++;/* Add Array Index */
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} while (1);
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return true;
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}
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