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kernel/linux-imx6_3.14.28/drivers/mfd/rtsx_pcr.h 2.69 KB
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  /* Driver for Realtek PCI-Express card reader
   *
   * 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
   * Free Software Foundation; either version 2, or (at your option) any
   * later version.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program; if not, see <http://www.gnu.org/licenses/>.
   *
   * Author:
   *   Wei WANG <wei_wang@realsil.com.cn>
   */
  
  #ifndef __RTSX_PCR_H
  #define __RTSX_PCR_H
  
  #include <linux/mfd/rtsx_pci.h>
  
  #define MIN_DIV_N_PCR		80
  #define MAX_DIV_N_PCR		208
  
  void rts5209_init_params(struct rtsx_pcr *pcr);
  void rts5229_init_params(struct rtsx_pcr *pcr);
  void rtl8411_init_params(struct rtsx_pcr *pcr);
  void rtl8402_init_params(struct rtsx_pcr *pcr);
  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)
  
  #define set_pull_ctrl_tables(pcr, __device)				\
  do {									\
  	pcr->sd_pull_ctl_enable_tbl  = __device##_sd_pull_ctl_enable_tbl;  \
  	pcr->sd_pull_ctl_disable_tbl = __device##_sd_pull_ctl_disable_tbl; \
  	pcr->ms_pull_ctl_enable_tbl  = __device##_ms_pull_ctl_enable_tbl;  \
  	pcr->ms_pull_ctl_disable_tbl = __device##_ms_pull_ctl_disable_tbl; \
  } while (0)
  
  #endif