1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/staging/rtl8188eu/hal/pwrseqcmd.c b/drivers/staging/rtl8188eu/hal/pwrseqcmd.c
new file mode 100644
index 0000000..249cbc3
--- /dev/null
+++ b/drivers/staging/rtl8188eu/hal/pwrseqcmd.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
+ *
+ ******************************************************************************/
+
+#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,
+			    struct wl_pwr_cfg pwrseqcmd[])
+{
+	struct wl_pwr_cfg pwrcfgcmd;
+	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)"
+			  " cmd(%#x)"
+			  "msk(%#x) value(%#x)\n",
+			 GET_PWR_CFG_OFFSET(pwrcfgcmd),
+			 GET_PWR_CFG_CUT_MASK(pwrcfgcmd),
+			 GET_PWR_CFG_CMD(pwrcfgcmd),
+			 GET_PWR_CFG_MASK(pwrcfgcmd),
+			 GET_PWR_CFG_VALUE(pwrcfgcmd)));
+
+		/* Only Handle the command whose CUT is matched */
+		if (GET_PWR_CFG_CUT_MASK(pwrcfgcmd) & cut_vers) {
+			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;
+}