xref: /linux/drivers/misc/cardreader/rts5261.h (revision cdd38c5f1ce4398ec58fec95904b75824daab7b5)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Driver for Realtek PCI-Express card reader
3  *
4  * Copyright(c) 2018-2019 Realtek Semiconductor Corp. All rights reserved.
5  *
6  * Author:
7  *   Rui FENG <rui_feng@realsil.com.cn>
8  *   Wei WANG <wei_wang@realsil.com.cn>
9  */
10 #ifndef RTS5261_H
11 #define RTS5261_H
12 
13 /*New add*/
14 #define rts5261_vendor_setting_valid(reg)	((reg) & 0x010000)
15 #define rts5261_reg_to_aspm(reg) \
16 	(((~(reg) >> 28) & 0x02) | (((reg) >> 28) & 0x01))
17 #define rts5261_reg_check_reverse_socket(reg)	((reg) & 0x04)
18 #define rts5261_reg_to_sd30_drive_sel_1v8(reg)	(((reg) >> 22) & 0x03)
19 #define rts5261_reg_to_sd30_drive_sel_3v3(reg)	(((reg) >> 16) & 0x03)
20 #define rts5261_reg_to_rtd3(reg)		((reg) & 0x08)
21 #define rts5261_reg_check_mmc_support(reg)	((reg) & 0x10)
22 
23 #define RTS5261_AUTOLOAD_CFG0		0xFF7B
24 #define RTS5261_AUTOLOAD_CFG1		0xFF7C
25 #define RTS5261_AUTOLOAD_CFG2		0xFF7D
26 #define RTS5261_AUTOLOAD_CFG3		0xFF7E
27 #define RTS5261_AUTOLOAD_CFG4		0xFF7F
28 #define RTS5261_FORCE_PRSNT_LOW		(1 << 6)
29 #define RTS5261_AUX_CLK_16M_EN		(1 << 5)
30 
31 #define RTS5261_REG_VREF		0xFE97
32 #define RTS5261_PWD_SUSPND_EN		(1 << 4)
33 
34 #define RTS5261_PAD_H3L1		0xFF79
35 #define PAD_GPIO_H3L1			(1 << 3)
36 
37 /* SSC_CTL2 0xFC12 */
38 #define RTS5261_SSC_DEPTH_MASK		0x07
39 #define RTS5261_SSC_DEPTH_DISALBE	0x00
40 #define RTS5261_SSC_DEPTH_8M		0x01
41 #define RTS5261_SSC_DEPTH_4M		0x02
42 #define RTS5261_SSC_DEPTH_2M		0x03
43 #define RTS5261_SSC_DEPTH_1M		0x04
44 #define RTS5261_SSC_DEPTH_512K		0x05
45 #define RTS5261_SSC_DEPTH_256K		0x06
46 #define RTS5261_SSC_DEPTH_128K		0x07
47 
48 /* efuse control register*/
49 #define RTS5261_EFUSE_CTL		0xFC30
50 #define RTS5261_EFUSE_ENABLE		0x80
51 /* EFUSE_MODE: 0=READ 1=PROGRAM */
52 #define RTS5261_EFUSE_MODE_MASK		0x40
53 #define RTS5261_EFUSE_PROGRAM		0x40
54 
55 #define RTS5261_EFUSE_ADDR		0xFC31
56 #define	RTS5261_EFUSE_ADDR_MASK		0x3F
57 
58 #define RTS5261_EFUSE_WRITE_DATA	0xFC32
59 #define RTS5261_EFUSE_READ_DATA		0xFC34
60 
61 /* DMACTL 0xFE2C */
62 #define RTS5261_DMA_PACK_SIZE_MASK	0xF0
63 
64 /* FW status register */
65 #define RTS5261_FW_STATUS		0xFF56
66 #define RTS5261_EXPRESS_LINK_FAIL_MASK	(0x01<<7)
67 
68 /* FW control register */
69 #define RTS5261_FW_CTL			0xFF5F
70 #define RTS5261_INFORM_RTD3_COLD	(0x01<<5)
71 
72 #define RTS5261_REG_FPDCTL		0xFF60
73 
74 #define RTS5261_REG_LDO12_CFG		0xFF6E
75 #define RTS5261_LDO12_VO_TUNE_MASK	(0x07<<1)
76 #define RTS5261_LDO12_115		(0x03<<1)
77 #define RTS5261_LDO12_120		(0x04<<1)
78 #define RTS5261_LDO12_125		(0x05<<1)
79 #define RTS5261_LDO12_130		(0x06<<1)
80 #define RTS5261_LDO12_135		(0x07<<1)
81 
82 /* LDO control register */
83 #define RTS5261_CARD_PWR_CTL		0xFD50
84 #define RTS5261_SD_CLK_ISO		(0x01<<7)
85 #define RTS5261_PAD_SD_DAT_FW_CTRL	(0x01<<6)
86 #define RTS5261_PUPDC			(0x01<<5)
87 #define RTS5261_SD_CMD_ISO		(0x01<<4)
88 #define RTS5261_SD_DAT_ISO_MASK		(0x0F<<0)
89 
90 #define RTS5261_LDO1233318_POW_CTL	0xFF70
91 #define RTS5261_LDO3318_POWERON		(0x01<<3)
92 #define RTS5261_LDO3_POWERON		(0x01<<2)
93 #define RTS5261_LDO2_POWERON		(0x01<<1)
94 #define RTS5261_LDO1_POWERON		(0x01<<0)
95 #define RTS5261_LDO_POWERON_MASK	(0x0F<<0)
96 
97 #define RTS5261_DV3318_CFG		0xFF71
98 #define RTS5261_DV3318_TUNE_MASK	(0x07<<4)
99 #define RTS5261_DV3318_18		(0x02<<4)
100 #define RTS5261_DV3318_19		(0x04<<4)
101 #define RTS5261_DV3318_33		(0x07<<4)
102 
103 /* CRD6603-433 190319 request changed */
104 #define RTS5261_LDO1_OCP_THD_740	(0x00<<5)
105 #define RTS5261_LDO1_OCP_THD_800	(0x01<<5)
106 #define RTS5261_LDO1_OCP_THD_860	(0x02<<5)
107 #define RTS5261_LDO1_OCP_THD_920	(0x03<<5)
108 #define RTS5261_LDO1_OCP_THD_980	(0x04<<5)
109 #define RTS5261_LDO1_OCP_THD_1040	(0x05<<5)
110 #define RTS5261_LDO1_OCP_THD_1100	(0x06<<5)
111 #define RTS5261_LDO1_OCP_THD_1160	(0x07<<5)
112 
113 #define RTS5261_LDO1_LMT_THD_450	(0x00<<2)
114 #define RTS5261_LDO1_LMT_THD_1000	(0x01<<2)
115 #define RTS5261_LDO1_LMT_THD_1500	(0x02<<2)
116 #define RTS5261_LDO1_LMT_THD_2000	(0x03<<2)
117 
118 #define RTS5261_LDO1_CFG1		0xFF73
119 #define RTS5261_LDO1_TUNE_MASK		(0x07<<1)
120 #define RTS5261_LDO1_18			(0x05<<1)
121 #define RTS5261_LDO1_33			(0x07<<1)
122 #define RTS5261_LDO1_PWD_MASK		(0x01<<0)
123 
124 #define RTS5261_LDO2_CFG0		0xFF74
125 #define RTS5261_LDO2_OCP_THD_MASK	(0x07<<5)
126 #define RTS5261_LDO2_OCP_EN		(0x01<<4)
127 #define RTS5261_LDO2_OCP_LMT_THD_MASK	(0x03<<2)
128 #define RTS5261_LDO2_OCP_LMT_EN		(0x01<<1)
129 
130 #define RTS5261_LDO2_OCP_THD_620	(0x00<<5)
131 #define RTS5261_LDO2_OCP_THD_650	(0x01<<5)
132 #define RTS5261_LDO2_OCP_THD_680	(0x02<<5)
133 #define RTS5261_LDO2_OCP_THD_720	(0x03<<5)
134 #define RTS5261_LDO2_OCP_THD_750	(0x04<<5)
135 #define RTS5261_LDO2_OCP_THD_780	(0x05<<5)
136 #define RTS5261_LDO2_OCP_THD_810	(0x06<<5)
137 #define RTS5261_LDO2_OCP_THD_840	(0x07<<5)
138 
139 #define RTS5261_LDO2_CFG1		0xFF75
140 #define RTS5261_LDO2_TUNE_MASK		(0x07<<1)
141 #define RTS5261_LDO2_18			(0x05<<1)
142 #define RTS5261_LDO2_33			(0x07<<1)
143 #define RTS5261_LDO2_PWD_MASK		(0x01<<0)
144 
145 #define RTS5261_LDO3_CFG0		0xFF76
146 #define RTS5261_LDO3_OCP_THD_MASK	(0x07<<5)
147 #define RTS5261_LDO3_OCP_EN		(0x01<<4)
148 #define RTS5261_LDO3_OCP_LMT_THD_MASK	(0x03<<2)
149 #define RTS5261_LDO3_OCP_LMT_EN		(0x01<<1)
150 
151 #define RTS5261_LDO3_OCP_THD_620	(0x00<<5)
152 #define RTS5261_LDO3_OCP_THD_650	(0x01<<5)
153 #define RTS5261_LDO3_OCP_THD_680	(0x02<<5)
154 #define RTS5261_LDO3_OCP_THD_720	(0x03<<5)
155 #define RTS5261_LDO3_OCP_THD_750	(0x04<<5)
156 #define RTS5261_LDO3_OCP_THD_780	(0x05<<5)
157 #define RTS5261_LDO3_OCP_THD_810	(0x06<<5)
158 #define RTS5261_LDO3_OCP_THD_840	(0x07<<5)
159 
160 #define RTS5261_LDO3_CFG1		0xFF77
161 #define RTS5261_LDO3_TUNE_MASK		(0x07<<1)
162 #define RTS5261_LDO3_18			(0x05<<1)
163 #define RTS5261_LDO3_33			(0x07<<1)
164 #define RTS5261_LDO3_PWD_MASK		(0x01<<0)
165 
166 #define RTS5261_REG_PME_FORCE_CTL	0xFF78
167 #define FORCE_PM_CONTROL		0x20
168 #define FORCE_PM_VALUE			0x10
169 #define REG_EFUSE_BYPASS		0x08
170 #define REG_EFUSE_POR			0x04
171 #define REG_EFUSE_POWER_MASK		0x03
172 #define REG_EFUSE_POWERON		0x03
173 #define REG_EFUSE_POWEROFF		0x00
174 
175 
176 /* Single LUN, support SD/SD EXPRESS */
177 #define DEFAULT_SINGLE		0
178 #define SD_LUN			1
179 #define SD_EXPRESS_LUN		2
180 
181 /* For Change_FPGA_SSCClock Function */
182 #define MULTIPLY_BY_1    0x00
183 #define MULTIPLY_BY_2    0x01
184 #define MULTIPLY_BY_3    0x02
185 #define MULTIPLY_BY_4    0x03
186 #define MULTIPLY_BY_5    0x04
187 #define MULTIPLY_BY_6    0x05
188 #define MULTIPLY_BY_7    0x06
189 #define MULTIPLY_BY_8    0x07
190 #define MULTIPLY_BY_9    0x08
191 #define MULTIPLY_BY_10   0x09
192 
193 #define DIVIDE_BY_2      0x01
194 #define DIVIDE_BY_3      0x02
195 #define DIVIDE_BY_4      0x03
196 #define DIVIDE_BY_5      0x04
197 #define DIVIDE_BY_6      0x05
198 #define DIVIDE_BY_7      0x06
199 #define DIVIDE_BY_8      0x07
200 #define DIVIDE_BY_9      0x08
201 #define DIVIDE_BY_10     0x09
202 
203 int rts5261_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
204 		u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk);
205 
206 #endif /* RTS5261_H */
207