drivers/mfd/rtsx_pcr.h

   1 /* Driver for Realtek PCI-Express card reader
   2  *
   3  * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2, or (at your option) any
   8  * later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * Author:
  19  *   Wei WANG <wei_wang@realsil.com.cn>
  20  */
  21
  22 #ifndef __RTSX_PCR_H
  23 #define __RTSX_PCR_H
  24
  25 #include <linux/mfd/rtsx_pci.h>
  26
  27 #define MIN_DIV_N_PCR           80
  28 #define MAX_DIV_N_PCR           208
  29
  30 void rts5209_init_params(struct rtsx_pcr *pcr);
  31 void rts5229_init_params(struct rtsx_pcr *pcr);
  32 void rtl8411_init_params(struct rtsx_pcr *pcr);
  33 void rtl8402_init_params(struct rtsx_pcr *pcr);
  34 void rts5227_init_params(struct rtsx_pcr *pcr);
  35 void rts5249_init_params(struct rtsx_pcr *pcr);
  36 void rtl8411b_init_params(struct rtsx_pcr *pcr);
  37
  38 static inline u8 map_sd_drive(int idx)
  39 {
  40         u8 sd_drive[4] = {
  41                 0x01,   /* Type D */
  42                 0x02,   /* Type C */
  43                 0x05,   /* Type A */
  44                 0x03    /* Type B */
  45         };
  46
  47         return sd_drive[idx];
  48 }
  49
  50 #define rtsx_vendor_setting_valid(reg)          (!((reg) & 0x1000000))
  51 #define rts5209_vendor_setting1_valid(reg)      (!((reg) & 0x80))
  52 #define rts5209_vendor_setting2_valid(reg)      ((reg) & 0x80)
  53
  54 #define rtsx_reg_to_aspm(reg)                   (((reg) >> 28) & 0x03)
  55 #define rtsx_reg_to_sd30_drive_sel_1v8(reg)     (((reg) >> 26) & 0x03)
  56 #define rtsx_reg_to_sd30_drive_sel_3v3(reg)     (((reg) >> 5) & 0x03)
  57 #define rtsx_reg_to_card_drive_sel(reg)         ((((reg) >> 25) & 0x01) << 6)
  58 #define rtsx_reg_check_reverse_socket(reg)      ((reg) & 0x4000)
  59 #define rts5209_reg_to_aspm(reg)                (((reg) >> 5) & 0x03)
  60 #define rts5209_reg_check_ms_pmos(reg)          (!((reg) & 0x08))
  61 #define rts5209_reg_to_sd30_drive_sel_1v8(reg)  (((reg) >> 3) & 0x07)
  62 #define rts5209_reg_to_sd30_drive_sel_3v3(reg)  ((reg) & 0x07)
  63 #define rts5209_reg_to_card_drive_sel(reg)      ((reg) >> 8)
  64 #define rtl8411_reg_to_sd30_drive_sel_3v3(reg)  (((reg) >> 5) & 0x07)
  65 #define rtl8411b_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x03)
  66
  67 #define set_pull_ctrl_tables(pcr, __device)                             \
  68 do {                                                                    \
  69         pcr->sd_pull_ctl_enable_tbl  = __device##_sd_pull_ctl_enable_tbl;  \
  70         pcr->sd_pull_ctl_disable_tbl = __device##_sd_pull_ctl_disable_tbl; \
  71         pcr->ms_pull_ctl_enable_tbl  = __device##_ms_pull_ctl_enable_tbl;  \
  72         pcr->ms_pull_ctl_disable_tbl = __device##_ms_pull_ctl_disable_tbl; \
  73 } while (0)
  74
  75 #endif