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path: root/drivers/net/wireless/rtlwifi/rtl8723ae/pwrseqcmd.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8723ae/pwrseqcmd.c')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8723ae/pwrseqcmd.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/pwrseqcmd.c b/drivers/net/wireless/rtlwifi/rtl8723ae/pwrseqcmd.c
new file mode 100644
index 000000000000..2044b5936b7f
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/rtl8723ae/pwrseqcmd.c
@@ -0,0 +1,129 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2012 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 deals with the Power Configuration CMD
+ * parsing for RTL8723/RTL8188E Series IC.
+ * Assumption:
+ * We should follow specific format that was released from HW SD.
+ */
+bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
+ u8 faversion, u8 interface_type,
+ struct wlan_pwr_cfg pwrcfgcmd[])
+{
+ struct wlan_pwr_cfg 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 {
+ cfg_cmd = pwrcfgcmd[ary_idx];
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+ "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x),"
+ "interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
+ GET_PWR_CFG_OFFSET(cfg_cmd),
+ GET_PWR_CFG_CUT_MASK(cfg_cmd),
+ GET_PWR_CFG_FAB_MASK(cfg_cmd),
+ GET_PWR_CFG_INTF_MASK(cfg_cmd),
+ GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
+ GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
+
+ if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
+ (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
+ (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
+ switch (GET_PWR_CFG_CMD(cfg_cmd)) {
+ case PWR_CMD_READ:
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+ "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
+ break;
+ case PWR_CMD_WRITE:
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+ "rtl_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n");
+ offset = GET_PWR_CFG_OFFSET(cfg_cmd);
+
+ /*Read the value from system register*/
+ value = rtl_read_byte(rtlpriv, offset);
+ value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
+ value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
+ GET_PWR_CFG_MASK(cfg_cmd));
+
+ /*Write the value back to sytem register*/
+ rtl_write_byte(rtlpriv, offset, value);
+ break;
+ case PWR_CMD_POLLING:
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+ "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
+ polling_bit = false;
+ offset = GET_PWR_CFG_OFFSET(cfg_cmd);
+
+ do {
+ value = rtl_read_byte(rtlpriv, offset);
+
+ value &= GET_PWR_CFG_MASK(cfg_cmd);
+ if (value ==
+ (GET_PWR_CFG_VALUE(cfg_cmd)
+ & GET_PWR_CFG_MASK(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(rtlpriv, COMP_INIT, DBG_TRACE,
+ "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
+ if (GET_PWR_CFG_VALUE(cfg_cmd) ==
+ PWRSEQ_DELAY_US)
+ udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
+ else
+ mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
+ break;
+ case PWR_CMD_END:
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+ "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
+ return true;
+ default:
+ RT_ASSERT(false,
+ "rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
+ break;
+ }
+
+ }
+ ary_idx++;
+ } while (1);
+
+ return true;
+}