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 #define RTS522A_PM_CTRL3                0xFF7E
  31
  32 #define RTS524A_PME_FORCE_CTL           0xFF78
  33 #define RTS524A_PM_CTRL3                0xFF7E
  34
  35 #define LTR_ACTIVE_LATENCY_DEF          0x883C
  36 #define LTR_IDLE_LATENCY_DEF            0x892C
  37 #define LTR_L1OFF_LATENCY_DEF           0x9003
  38 #define L1_SNOOZE_DELAY_DEF             1
  39 #define LTR_L1OFF_SSPWRGATE_5249_DEF            0xAF
  40 #define LTR_L1OFF_SSPWRGATE_5250_DEF            0xFF
  41 #define LTR_L1OFF_SNOOZE_SSPWRGATE_5249_DEF     0xAC
  42 #define LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF     0xF8
  43 #define CMD_TIMEOUT_DEF         100
  44 #define ASPM_MASK_NEG           0xFC
  45 #define MASK_8_BIT_DEF          0xFF
  46
  47 int __rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val);
  48 int __rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val);
  49
  50 void rts5209_init_params(struct rtsx_pcr *pcr);
  51 void rts5229_init_params(struct rtsx_pcr *pcr);
  52 void rtl8411_init_params(struct rtsx_pcr *pcr);
  53 void rtl8402_init_params(struct rtsx_pcr *pcr);
  54 void rts5227_init_params(struct rtsx_pcr *pcr);
  55 void rts522a_init_params(struct rtsx_pcr *pcr);
  56 void rts5249_init_params(struct rtsx_pcr *pcr);
  57 void rts524a_init_params(struct rtsx_pcr *pcr);
  58 void rts525a_init_params(struct rtsx_pcr *pcr);
  59 void rtl8411b_init_params(struct rtsx_pcr *pcr);
  60
  61 static inline u8 map_sd_drive(int idx)
  62 {
  63         u8 sd_drive[4] = {
  64                 0x01,   /* Type D */
  65                 0x02,   /* Type C */
  66                 0x05,   /* Type A */
  67                 0x03    /* Type B */
  68         };
  69
  70         return sd_drive[idx];
  71 }
  72
  73 #define rtsx_vendor_setting_valid(reg)          (!((reg) & 0x1000000))
  74 #define rts5209_vendor_setting1_valid(reg)      (!((reg) & 0x80))
  75 #define rts5209_vendor_setting2_valid(reg)      ((reg) & 0x80)
  76
  77 #define rtsx_reg_to_aspm(reg)                   (((reg) >> 28) & 0x03)
  78 #define rtsx_reg_to_sd30_drive_sel_1v8(reg)     (((reg) >> 26) & 0x03)
  79 #define rtsx_reg_to_sd30_drive_sel_3v3(reg)     (((reg) >> 5) & 0x03)
  80 #define rtsx_reg_to_card_drive_sel(reg)         ((((reg) >> 25) & 0x01) << 6)
  81 #define rtsx_reg_check_reverse_socket(reg)      ((reg) & 0x4000)
  82 #define rts5209_reg_to_aspm(reg)                (((reg) >> 5) & 0x03)
  83 #define rts5209_reg_check_ms_pmos(reg)          (!((reg) & 0x08))
  84 #define rts5209_reg_to_sd30_drive_sel_1v8(reg)  (((reg) >> 3) & 0x07)
  85 #define rts5209_reg_to_sd30_drive_sel_3v3(reg)  ((reg) & 0x07)
  86 #define rts5209_reg_to_card_drive_sel(reg)      ((reg) >> 8)
  87 #define rtl8411_reg_to_sd30_drive_sel_3v3(reg)  (((reg) >> 5) & 0x07)
  88 #define rtl8411b_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x03)
  89
  90 #define set_pull_ctrl_tables(pcr, __device)                             \
  91 do {                                                                    \
  92         pcr->sd_pull_ctl_enable_tbl  = __device##_sd_pull_ctl_enable_tbl;  \
  93         pcr->sd_pull_ctl_disable_tbl = __device##_sd_pull_ctl_disable_tbl; \
  94         pcr->ms_pull_ctl_enable_tbl  = __device##_ms_pull_ctl_enable_tbl;  \
  95         pcr->ms_pull_ctl_disable_tbl = __device##_ms_pull_ctl_disable_tbl; \
  96 } while (0)
  97
  98 /* generic operations */
  99 int rtsx_gops_pm_reset(struct rtsx_pcr *pcr);
 100 int rtsx_set_ltr_latency(struct rtsx_pcr *pcr, u32 latency);
 101 int rtsx_set_l1off_sub(struct rtsx_pcr *pcr, u8 val);
 102
 103 #endif