1 files changed, 30 insertions, 2 deletions

diff --git a/drivers/mfd/rtsx_pcr.h b/drivers/mfd/rtsx_pcr.h
index c0cac7e8972f..947e79b05ceb 100644
--- a/drivers/mfd/rtsx_pcr.h
+++ b/drivers/mfd/rtsx_pcr.h
@@ -1,6 +1,6 @@
 /* Driver for Realtek PCI-Express card reader
  *
- * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -17,7 +17,6 @@
  *
  * Author:
  *   Wei WANG <wei_wang@realsil.com.cn>
- *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
  */
 
 #ifndef __RTSX_PCR_H
@@ -35,4 +34,33 @@ void rts5227_init_params(struct rtsx_pcr *pcr);
 void rts5249_init_params(struct rtsx_pcr *pcr);
 void rtl8411b_init_params(struct rtsx_pcr *pcr);
 
+static inline u8 map_sd_drive(int idx)
+{
+        u8 sd_drive[4] = {
+                0x01,   /* Type D */
+                0x02,   /* Type C */
+                0x05,   /* Type A */
+                0x03    /* Type B */
+        };
+
+        return sd_drive[idx];
+}
+
+#define rtsx_vendor_setting_valid(reg)          (!((reg) & 0x1000000))
+#define rts5209_vendor_setting1_valid(reg)      (!((reg) & 0x80))
+#define rts5209_vendor_setting2_valid(reg)      ((reg) & 0x80)
+
+#define rtsx_reg_to_aspm(reg)                   (((reg) >> 28) & 0x03)
+#define rtsx_reg_to_sd30_drive_sel_1v8(reg)     (((reg) >> 26) & 0x03)
+#define rtsx_reg_to_sd30_drive_sel_3v3(reg)     (((reg) >> 5) & 0x03)
+#define rtsx_reg_to_card_drive_sel(reg)         ((((reg) >> 25) & 0x01) << 6)
+#define rtsx_reg_check_reverse_socket(reg)      ((reg) & 0x4000)
+#define rts5209_reg_to_aspm(reg)                (((reg) >> 5) & 0x03)
+#define rts5209_reg_check_ms_pmos(reg)          (!((reg) & 0x08))
+#define rts5209_reg_to_sd30_drive_sel_1v8(reg)  (((reg) >> 3) & 0x07)
+#define rts5209_reg_to_sd30_drive_sel_3v3(reg)  ((reg) & 0x07)
+#define rts5209_reg_to_card_drive_sel(reg)      ((reg) >> 8)
+#define rtl8411_reg_to_sd30_drive_sel_3v3(reg)  (((reg) >> 5) & 0x07)
+#define rtl8411b_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x03)
+
 #endif