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