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#endif
76