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- /******************************************************************************
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- ******************************************************************************/
- #include <pwrseqcmd.h>
- #include <usb_ops_linux.h>
- /* This routine deals with the Power Configuration CMDs parsing
- * for RTL8723/RTL8188E Series IC.
- */
- u8 rtl88eu_pwrseqcmdparsing(struct adapter *padapter, u8 cut_vers, u8 fab_vers,
- u8 ifacetype, 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];
- RT_TRACE(_module_hal_init_c_, _drv_info_,
- ("rtl88eu_pwrseqcmdparsing: 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)));
- /* Only Handle the command whose FAB, CUT, and Interface are matched */
- if ((GET_PWR_CFG_FAB_MASK(pwrcfgcmd) & fab_vers) &&
- (GET_PWR_CFG_CUT_MASK(pwrcfgcmd) & cut_vers) &&
- (GET_PWR_CFG_INTF_MASK(pwrcfgcmd) & ifacetype)) {
- switch (GET_PWR_CFG_CMD(pwrcfgcmd)) {
- case PWR_CMD_READ:
- RT_TRACE(_module_hal_init_c_, _drv_info_,
- ("rtl88eu_pwrseqcmdparsing: PWR_CMD_READ\n"));
- break;
- case PWR_CMD_WRITE:
- RT_TRACE(_module_hal_init_c_, _drv_info_,
- ("rtl88eu_pwrseqcmdparsing: PWR_CMD_WRITE\n"));
- offset = GET_PWR_CFG_OFFSET(pwrcfgcmd);
- /* Read the value from system register */
- value = usb_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 */
- usb_write8(padapter, offset, value);
- break;
- case PWR_CMD_POLLING:
- RT_TRACE(_module_hal_init_c_, _drv_info_,
- ("rtl88eu_pwrseqcmdparsing: PWR_CMD_POLLING\n"));
- poll_bit = false;
- offset = GET_PWR_CFG_OFFSET(pwrcfgcmd);
- do {
- value = usb_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:
- RT_TRACE(_module_hal_init_c_, _drv_info_,
- ("rtl88eu_pwrseqcmdparsing: 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_,
- ("rtl88eu_pwrseqcmdparsing: PWR_CMD_END\n"));
- return true;
- default:
- RT_TRACE(_module_hal_init_c_, _drv_err_,
- ("rtl88eu_pwrseqcmdparsing: Unknown CMD!!\n"));
- break;
- }
- }
- aryidx++;/* Add Array Index */
- } while (1);
- return true;
- }
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