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_PM_CTRL3 0xFF7E
19
20 #define RTS524A_PME_FORCE_CTL 0xFF78
21 #define RTS524A_PM_CTRL3 0xFF7E
22
23 #define LTR_ACTIVE_LATENCY_DEF 0x883C
24 #define LTR_IDLE_LATENCY_DEF 0x892C
25 #define LTR_L1OFF_LATENCY_DEF 0x9003
26 #define L1_SNOOZE_DELAY_DEF 1
27 #define LTR_L1OFF_SSPWRGATE_5249_DEF 0xAF
28 #define LTR_L1OFF_SSPWRGATE_5250_DEF 0xFF
29 #define LTR_L1OFF_SNOOZE_SSPWRGATE_5249_DEF 0xAC
30 #define LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF 0xF8
31 #define CMD_TIMEOUT_DEF 100
32 #define ASPM_MASK_NEG 0xFC
33 #define MASK_8_BIT_DEF 0xFF
34
35 #define SSC_CLOCK_STABLE_WAIT 130
36
37 #define RTS524A_OCP_THD_800 0x04
38 #define RTS525A_OCP_THD_800 0x05
39 #define RTS522A_OCP_THD_800 0x06
40
41
42 int __rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val);
43 int __rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val);
44
45 void rts5209_init_params(struct rtsx_pcr *pcr);
46 void rts5229_init_params(struct rtsx_pcr *pcr);
47 void rtl8411_init_params(struct rtsx_pcr *pcr);
48 void rtl8402_init_params(struct rtsx_pcr *pcr);
49 void rts5227_init_params(struct rtsx_pcr *pcr);
50 void rts522a_init_params(struct rtsx_pcr *pcr);
51 void rts5249_init_params(struct rtsx_pcr *pcr);
52 void rts524a_init_params(struct rtsx_pcr *pcr);
53 void rts525a_init_params(struct rtsx_pcr *pcr);
54 void rtl8411b_init_params(struct rtsx_pcr *pcr);
55 void rts5260_init_params(struct rtsx_pcr *pcr);
56
map_sd_drive(int idx)57 static inline u8 map_sd_drive(int idx)
58 {
59 u8 sd_drive[4] = {
60 0x01, /* Type D */
61 0x02, /* Type C */
62 0x05, /* Type A */
63 0x03 /* Type B */
64 };
65
66 return sd_drive[idx];
67 }
68
69 #define rtsx_vendor_setting_valid(reg) (!((reg) & 0x1000000))
70 #define rts5209_vendor_setting1_valid(reg) (!((reg) & 0x80))
71 #define rts5209_vendor_setting2_valid(reg) ((reg) & 0x80)
72
73 #define rtsx_reg_to_aspm(reg) (((reg) >> 28) & 0x03)
74 #define rtsx_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 26) & 0x03)
75 #define rtsx_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x03)
76 #define rtsx_reg_to_card_drive_sel(reg) ((((reg) >> 25) & 0x01) << 6)
77 #define rtsx_reg_check_reverse_socket(reg) ((reg) & 0x4000)
78 #define rts5209_reg_to_aspm(reg) (((reg) >> 5) & 0x03)
79 #define rts5209_reg_check_ms_pmos(reg) (!((reg) & 0x08))
80 #define rts5209_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 3) & 0x07)
81 #define rts5209_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x07)
82 #define rts5209_reg_to_card_drive_sel(reg) ((reg) >> 8)
83 #define rtl8411_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x07)
84 #define rtl8411b_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x03)
85
86 #define set_pull_ctrl_tables(pcr, __device) \
87 do { \
88 pcr->sd_pull_ctl_enable_tbl = __device##_sd_pull_ctl_enable_tbl; \
89 pcr->sd_pull_ctl_disable_tbl = __device##_sd_pull_ctl_disable_tbl; \
90 pcr->ms_pull_ctl_enable_tbl = __device##_ms_pull_ctl_enable_tbl; \
91 pcr->ms_pull_ctl_disable_tbl = __device##_ms_pull_ctl_disable_tbl; \
92 } while (0)
93
94 /* generic operations */
95 int rtsx_gops_pm_reset(struct rtsx_pcr *pcr);
96 int rtsx_set_ltr_latency(struct rtsx_pcr *pcr, u32 latency);
97 int rtsx_set_l1off_sub(struct rtsx_pcr *pcr, u8 val);
98 void rtsx_pci_init_ocp(struct rtsx_pcr *pcr);
99 void rtsx_pci_disable_ocp(struct rtsx_pcr *pcr);
100 void rtsx_pci_enable_ocp(struct rtsx_pcr *pcr);
101 int rtsx_pci_get_ocpstat(struct rtsx_pcr *pcr, u8 *val);
102 void rtsx_pci_clear_ocpstat(struct rtsx_pcr *pcr);
103 int rtsx_sd_power_off_card3v3(struct rtsx_pcr *pcr);
104 int rtsx_ms_power_off_card3v3(struct rtsx_pcr *pcr);
105
106 #endif
107