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Diffstat (limited to 'drivers/staging/rtl8821ae/rtl8821ae/pwrseqcmd.c')
-rw-r--r--drivers/staging/rtl8821ae/rtl8821ae/pwrseqcmd.c140
1 files changed, 140 insertions, 0 deletions
diff --git a/drivers/staging/rtl8821ae/rtl8821ae/pwrseqcmd.c b/drivers/staging/rtl8821ae/rtl8821ae/pwrseqcmd.c
new file mode 100644
index 000000000000..710bc015251c
--- /dev/null
+++ b/drivers/staging/rtl8821ae/rtl8821ae/pwrseqcmd.c
@@ -0,0 +1,140 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2010 Realtek Corporation.
+ *
+ * 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
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ *****************************************************************************/
+
+#include "pwrseq.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.
+*/
+bool rtl_hal_pwrseqcmdparsing (struct rtl_priv* rtlpriv, u8 cut_version,
+ u8 fab_version, u8 interface_type,
+ struct wlan_pwr_cfg pwrcfgcmd[])
+
+{
+ struct wlan_pwr_cfg pwr_cfg_cmd = {0};
+ bool polling_bit = false;
+ u32 ary_idx=0;
+ u8 value = 0;
+ u32 offset = 0;
+ u32 polling_count = 0;
+ u32 max_polling_cnt = 5000;
+
+ do {
+ pwr_cfg_cmd = pwrcfgcmd[ary_idx];
+ RT_TRACE(COMP_INIT, DBG_TRACE,
+ ("rtl_hal_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(pwr_cfg_cmd), GET_PWR_CFG_CUT_MASK(pwr_cfg_cmd),
+ GET_PWR_CFG_FAB_MASK(pwr_cfg_cmd), GET_PWR_CFG_INTF_MASK(pwr_cfg_cmd),
+ GET_PWR_CFG_BASE(pwr_cfg_cmd), GET_PWR_CFG_CMD(pwr_cfg_cmd),
+ GET_PWR_CFG_MASK(pwr_cfg_cmd), GET_PWR_CFG_VALUE(pwr_cfg_cmd)));
+
+ if ((GET_PWR_CFG_FAB_MASK(pwr_cfg_cmd)&fab_version) &&
+ (GET_PWR_CFG_CUT_MASK(pwr_cfg_cmd)&cut_version) &&
+ (GET_PWR_CFG_INTF_MASK(pwr_cfg_cmd)&interface_type)) {
+ switch (GET_PWR_CFG_CMD(pwr_cfg_cmd)) {
+ case PWR_CMD_READ:
+ RT_TRACE(COMP_INIT, DBG_TRACE,
+ ("rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"));
+ break;
+
+ case PWR_CMD_WRITE: {
+ RT_TRACE(COMP_INIT, DBG_TRACE,
+ ("rtl_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n"));
+ offset = GET_PWR_CFG_OFFSET(pwr_cfg_cmd);
+
+ /*Read the value from system register*/
+ value = rtl_read_byte(rtlpriv, offset);
+ value = value & (~(GET_PWR_CFG_MASK(pwr_cfg_cmd)));
+ value = value | (GET_PWR_CFG_VALUE(pwr_cfg_cmd)
+ & GET_PWR_CFG_MASK(pwr_cfg_cmd));
+
+ /*Write the value back to sytem register*/
+ rtl_write_byte(rtlpriv, offset, value);
+ }
+ break;
+
+ case PWR_CMD_POLLING:
+ RT_TRACE(COMP_INIT, DBG_TRACE,
+ ("rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"));
+ polling_bit = false;
+ offset = GET_PWR_CFG_OFFSET(pwr_cfg_cmd);
+
+ do {
+ value = rtl_read_byte(rtlpriv, offset);
+
+ value = value & GET_PWR_CFG_MASK(pwr_cfg_cmd);
+ if (value == (GET_PWR_CFG_VALUE(pwr_cfg_cmd)
+ & GET_PWR_CFG_MASK(pwr_cfg_cmd)))
+ polling_bit=true;
+ else
+ udelay(10);
+
+ if (polling_count++ > max_polling_cnt) {
+ return false;
+ }
+ } while (!polling_bit);
+
+ break;
+
+ case PWR_CMD_DELAY:
+ RT_TRACE(COMP_INIT, DBG_TRACE,
+ ("rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n"));
+ if (GET_PWR_CFG_VALUE(pwr_cfg_cmd) == PWRSEQ_DELAY_US)
+ udelay(GET_PWR_CFG_OFFSET(pwr_cfg_cmd));
+ else
+ mdelay(GET_PWR_CFG_OFFSET(pwr_cfg_cmd));
+ break;
+
+ case PWR_CMD_END:
+ RT_TRACE(COMP_INIT, DBG_TRACE,
+ ("rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n"));
+ return true;
+ break;
+
+ default:
+ RT_ASSERT(false,
+ ("rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"));
+ break;
+ }
+
+ }
+
+ ary_idx++;
+ } while (1);
+
+ return true;
+}