LXR linux/drivers/mfd/rtsx

   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
  30void rts5209_init_params(struct rtsx_pcr *pcr);
  31void rts5229_init_params(struct rtsx_pcr *pcr);
  32void rtl8411_init_params(struct rtsx_pcr *pcr);
  33void rtl8402_init_params(struct rtsx_pcr *pcr);
  34void rts5227_init_params(struct rtsx_pcr *pcr);
  35void rts5249_init_params(struct rtsx_pcr *pcr);
  36void rtl8411b_init_params(struct rtsx_pcr *pcr);
  37
  38static 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)                             \
  68do {                                                                    \
  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/* generic operations */
  76int rtsx_gops_pm_reset(struct rtsx_pcr *pcr);
  77
  78#endif
  79