1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/* Driver for Realtek PCI-Express card reader
3 *
4 * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
5 *
6 * Author:
7 * Wei WANG <wei_wang@realsil.com.cn>
8 */
9
10#ifndef __RTSX_PCR_H
11#define __RTSX_PCR_H
12
13#include <linux/rtsx_pci.h>
14
15#define MIN_DIV_N_PCR 80
16#define MAX_DIV_N_PCR 208
17
18#define RTS522A_PME_FORCE_CTL 0xFF78
19#define RTS522A_AUTOLOAD_CFG1 0xFF7C
20#define RTS522A_PM_CTRL3 0xFF7E
21
22#define RTS524A_PME_FORCE_CTL 0xFF78
23#define REG_EFUSE_BYPASS 0x08
24#define REG_EFUSE_POR 0x04
25#define REG_EFUSE_POWER_MASK 0x03
26#define REG_EFUSE_POWERON 0x03
27#define REG_EFUSE_POWEROFF 0x00
28#define RTS5250_CLK_CFG3 0xFF79
29#define RTS525A_CFG_MEM_PD 0xF0
30#define RTS524A_AUTOLOAD_CFG1 0xFF7C
31#define RTS524A_PM_CTRL3 0xFF7E
32#define RTS525A_BIOS_CFG 0xFF2D
33#define RTS525A_LOAD_BIOS_FLAG 0x01
34#define RTS525A_CLEAR_BIOS_FLAG 0x00
35
36#define RTS525A_EFUSE_CTL 0xFC32
37#define REG_EFUSE_ENABLE 0x80
38#define REG_EFUSE_MODE 0x40
39#define RTS525A_EFUSE_ADD 0xFC33
40#define REG_EFUSE_ADD_MASK 0x3F
41#define RTS525A_EFUSE_DATA 0xFC35
42
43#define LTR_ACTIVE_LATENCY_DEF 0x883C
44#define LTR_IDLE_LATENCY_DEF 0x892C
45#define LTR_L1OFF_LATENCY_DEF 0x9003
46#define L1_SNOOZE_DELAY_DEF 1
47#define LTR_L1OFF_SSPWRGATE_5249_DEF 0xAF
48#define LTR_L1OFF_SSPWRGATE_5250_DEF 0xFF
49#define LTR_L1OFF_SNOOZE_SSPWRGATE_5249_DEF 0xAC
50#define LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF 0xF8
51#define CMD_TIMEOUT_DEF 100
52#define MASK_8_BIT_DEF 0xFF
53
54#define SSC_CLOCK_STABLE_WAIT 130
55
56#define RTS524A_OCP_THD_800 0x04
57#define RTS525A_OCP_THD_800 0x05
58#define RTS522A_OCP_THD_800 0x06
59
60
61int __rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val);
62int __rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val);
63
64void rts5209_init_params(struct rtsx_pcr *pcr);
65void rts5229_init_params(struct rtsx_pcr *pcr);
66void rtl8411_init_params(struct rtsx_pcr *pcr);
67void rtl8402_init_params(struct rtsx_pcr *pcr);
68void rts5227_init_params(struct rtsx_pcr *pcr);
69void rts522a_init_params(struct rtsx_pcr *pcr);
70void rts5249_init_params(struct rtsx_pcr *pcr);
71void rts524a_init_params(struct rtsx_pcr *pcr);
72void rts525a_init_params(struct rtsx_pcr *pcr);
73void rtl8411b_init_params(struct rtsx_pcr *pcr);
74void rts5260_init_params(struct rtsx_pcr *pcr);
75void rts5261_init_params(struct rtsx_pcr *pcr);
76void rts5228_init_params(struct rtsx_pcr *pcr);
77void rts5264_init_params(struct rtsx_pcr *pcr);
78
79static inline u8 map_sd_drive(int idx)
80{
81 u8 sd_drive[4] = {
82 0x01, /* Type D */
83 0x02, /* Type C */
84 0x05, /* Type A */
85 0x03 /* Type B */
86 };
87
88 return sd_drive[idx];
89}
90
91#define rtsx_vendor_setting_valid(reg) (!((reg) & 0x1000000))
92#define rts5209_vendor_setting1_valid(reg) (!((reg) & 0x80))
93#define rts5209_vendor_setting2_valid(reg) ((reg) & 0x80)
94
95#define rtsx_check_mmc_support(reg) ((reg) & 0x10)
96#define rtsx_reg_to_rtd3(reg) ((reg) & 0x02)
97#define rtsx_reg_to_rtd3_uhsii(reg) ((reg) & 0x04)
98#define rtsx_reg_to_aspm(reg) (((reg) >> 28) & 0x03)
99#define rtsx_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 26) & 0x03)
100#define rtsx_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x03)
101#define rtsx_reg_to_card_drive_sel(reg) ((((reg) >> 25) & 0x01) << 6)
102#define rtsx_reg_check_reverse_socket(reg) ((reg) & 0x4000)
103#define rts5209_reg_to_aspm(reg) (((reg) >> 5) & 0x03)
104#define rts5209_reg_check_ms_pmos(reg) (!((reg) & 0x08))
105#define rts5209_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 3) & 0x07)
106#define rts5209_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x07)
107#define rts5209_reg_to_card_drive_sel(reg) ((reg) >> 8)
108#define rtl8411_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x07)
109#define rtl8411b_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x03)
110
111#define set_pull_ctrl_tables(pcr, __device) \
112do { \
113 pcr->sd_pull_ctl_enable_tbl = __device##_sd_pull_ctl_enable_tbl; \
114 pcr->sd_pull_ctl_disable_tbl = __device##_sd_pull_ctl_disable_tbl; \
115 pcr->ms_pull_ctl_enable_tbl = __device##_ms_pull_ctl_enable_tbl; \
116 pcr->ms_pull_ctl_disable_tbl = __device##_ms_pull_ctl_disable_tbl; \
117} while (0)
118
119/* generic operations */
120int rtsx_gops_pm_reset(struct rtsx_pcr *pcr);
121int rtsx_set_ltr_latency(struct rtsx_pcr *pcr, u32 latency);
122int rtsx_set_l1off_sub(struct rtsx_pcr *pcr, u8 val);
123void rtsx_pci_init_ocp(struct rtsx_pcr *pcr);
124void rtsx_pci_disable_ocp(struct rtsx_pcr *pcr);
125void rtsx_pci_enable_ocp(struct rtsx_pcr *pcr);
126int rtsx_pci_get_ocpstat(struct rtsx_pcr *pcr, u8 *val);
127void rtsx_pci_clear_ocpstat(struct rtsx_pcr *pcr);
128void rtsx_pci_enable_oobs_polling(struct rtsx_pcr *pcr);
129void rtsx_pci_disable_oobs_polling(struct rtsx_pcr *pcr);
130int rtsx_sd_power_off_card3v3(struct rtsx_pcr *pcr);
131int rtsx_ms_power_off_card3v3(struct rtsx_pcr *pcr);
132
133#endif
134

source code of linux/drivers/misc/cardreader/rtsx_pcr.h