773ccdfd9c
Normally OEMs will set vendor setting to the config space of Realtek card reader in BIOS stage. This patch reads the setting at the first, and configure the internal registers according to it, to improve card reader's compatibility condition. Signed-off-by: Wei WANG <wei_wang@realsil.com.cn> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/* Driver for Realtek PCI-Express card reader
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*
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* Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author:
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* Wei WANG <wei_wang@realsil.com.cn>
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* No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
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*/
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#ifndef __RTSX_PCR_H
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#define __RTSX_PCR_H
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#include <linux/mfd/rtsx_pci.h>
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#define MIN_DIV_N_PCR 80
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#define MAX_DIV_N_PCR 208
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void rts5209_init_params(struct rtsx_pcr *pcr);
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void rts5229_init_params(struct rtsx_pcr *pcr);
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void rtl8411_init_params(struct rtsx_pcr *pcr);
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void rts5227_init_params(struct rtsx_pcr *pcr);
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void rts5249_init_params(struct rtsx_pcr *pcr);
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void rtl8411b_init_params(struct rtsx_pcr *pcr);
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static inline u8 map_sd_drive(int idx)
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{
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u8 sd_drive[4] = {
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0x01, /* Type D */
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0x02, /* Type C */
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0x05, /* Type A */
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0x03 /* Type B */
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};
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return sd_drive[idx];
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}
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#define rtsx_vendor_setting_valid(reg) (!((reg) & 0x1000000))
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#define rts5209_vendor_setting1_valid(reg) (!((reg) & 0x80))
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#define rts5209_vendor_setting2_valid(reg) ((reg) & 0x80)
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#define rtsx_reg_to_aspm(reg) (((reg) >> 28) & 0x03)
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#define rtsx_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 26) & 0x03)
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#define rtsx_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x03)
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#define rtsx_reg_to_card_drive_sel(reg) ((((reg) >> 25) & 0x01) << 6)
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#define rtsx_reg_check_reverse_socket(reg) ((reg) & 0x4000)
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#define rts5209_reg_to_aspm(reg) (((reg) >> 5) & 0x03)
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#define rts5209_reg_check_ms_pmos(reg) (!((reg) & 0x08))
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#define rts5209_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 3) & 0x07)
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#define rts5209_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x07)
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#define rts5209_reg_to_card_drive_sel(reg) ((reg) >> 8)
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#define rtl8411_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x07)
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#define rtl8411b_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x03)
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#endif
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