xref: /linux/drivers/misc/cardreader/rtsx_pcr.h (revision 06d07429858317ded2db7986113a9e0129cd599b)
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 
61 int __rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val);
62 int __rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val);
63 
64 void rts5209_init_params(struct rtsx_pcr *pcr);
65 void rts5229_init_params(struct rtsx_pcr *pcr);
66 void rtl8411_init_params(struct rtsx_pcr *pcr);
67 void rtl8402_init_params(struct rtsx_pcr *pcr);
68 void rts5227_init_params(struct rtsx_pcr *pcr);
69 void rts522a_init_params(struct rtsx_pcr *pcr);
70 void rts5249_init_params(struct rtsx_pcr *pcr);
71 void rts524a_init_params(struct rtsx_pcr *pcr);
72 void rts525a_init_params(struct rtsx_pcr *pcr);
73 void rtl8411b_init_params(struct rtsx_pcr *pcr);
74 void rts5260_init_params(struct rtsx_pcr *pcr);
75 void rts5261_init_params(struct rtsx_pcr *pcr);
76 void rts5228_init_params(struct rtsx_pcr *pcr);
77 void rts5264_init_params(struct rtsx_pcr *pcr);
78 
map_sd_drive(int idx)79 static 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)				\
112 do {									\
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 */
120 int rtsx_gops_pm_reset(struct rtsx_pcr *pcr);
121 int rtsx_set_ltr_latency(struct rtsx_pcr *pcr, u32 latency);
122 int rtsx_set_l1off_sub(struct rtsx_pcr *pcr, u8 val);
123 void rtsx_pci_init_ocp(struct rtsx_pcr *pcr);
124 void rtsx_pci_disable_ocp(struct rtsx_pcr *pcr);
125 void rtsx_pci_enable_ocp(struct rtsx_pcr *pcr);
126 int rtsx_pci_get_ocpstat(struct rtsx_pcr *pcr, u8 *val);
127 void rtsx_pci_clear_ocpstat(struct rtsx_pcr *pcr);
128 void rtsx_pci_enable_oobs_polling(struct rtsx_pcr *pcr);
129 void rtsx_pci_disable_oobs_polling(struct rtsx_pcr *pcr);
130 int rtsx_sd_power_off_card3v3(struct rtsx_pcr *pcr);
131 int rtsx_ms_power_off_card3v3(struct rtsx_pcr *pcr);
132 
133 #endif
134