xref: /linux/drivers/misc/cardreader/rts5228.h (revision 4b4193256c8d3bc3a5397b5cd9494c2ad386317d)
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  *   Ricky WU <ricky_wu@realtek.com>
8  *   Rui FENG <rui_feng@realsil.com.cn>
9  *   Wei WANG <wei_wang@realsil.com.cn>
10  */
11 #ifndef RTS5228_H
12 #define RTS5228_H
13 
14 
15 #define RTS5228_AUTOLOAD_CFG0			0xFF7B
16 #define RTS5228_AUTOLOAD_CFG1			0xFF7C
17 #define RTS5228_AUTOLOAD_CFG2			0xFF7D
18 #define RTS5228_AUTOLOAD_CFG3			0xFF7E
19 #define RTS5228_AUTOLOAD_CFG4			0xFF7F
20 
21 #define RTS5228_REG_VREF			0xFE97
22 #define RTS5228_PWD_SUSPND_EN			(1 << 4)
23 
24 #define RTS5228_PAD_H3L1			0xFF79
25 #define PAD_GPIO_H3L1			(1 << 3)
26 
27 /* SSC_CTL2 0xFC12 */
28 #define RTS5228_SSC_DEPTH_MASK		0x07
29 #define RTS5228_SSC_DEPTH_DISALBE	0x00
30 #define RTS5228_SSC_DEPTH_8M		0x01
31 #define RTS5228_SSC_DEPTH_4M		0x02
32 #define RTS5228_SSC_DEPTH_2M		0x03
33 #define RTS5228_SSC_DEPTH_1M		0x04
34 #define RTS5228_SSC_DEPTH_512K		0x05
35 #define RTS5228_SSC_DEPTH_256K		0x06
36 #define RTS5228_SSC_DEPTH_128K		0x07
37 
38 /* DMACTL 0xFE2C */
39 #define RTS5228_DMA_PACK_SIZE_MASK		0xF0
40 
41 #define RTS5228_REG_LDO12_CFG			0xFF6E
42 #define RTS5228_LDO12_VO_TUNE_MASK		(0x07<<1)
43 #define RTS5228_LDO12_100				(0x00<<1)
44 #define RTS5228_LDO12_105				(0x01<<1)
45 #define RTS5228_LDO12_110				(0x02<<1)
46 #define RTS5228_LDO12_115				(0x03<<1)
47 #define RTS5228_LDO12_120				(0x04<<1)
48 #define RTS5228_LDO12_125				(0x05<<1)
49 #define RTS5228_LDO12_130				(0x06<<1)
50 #define RTS5228_LDO12_135				(0x07<<1)
51 #define RTS5228_REG_PWD_LDO12			(0x01<<0)
52 
53 #define RTS5228_REG_LDO12_L12	0xFF6F
54 #define RTS5228_LDO12_L12_MASK			(0x07<<4)
55 #define RTS5228_LDO12_L12_120			(0x04<<4)
56 
57 /* LDO control register */
58 #define RTS5228_CARD_PWR_CTL			0xFD50
59 #define RTS5228_PUPDC					(0x01<<5)
60 
61 #define RTS5228_LDO1233318_POW_CTL		0xFF70
62 #define RTS5228_LDO3318_POWERON			(0x01<<3)
63 #define RTS5228_LDO1_POWEROFF			(0x00<<0)
64 #define RTS5228_LDO1_SOFTSTART			(0x01<<0)
65 #define RTS5228_LDO1_FULLON				(0x03<<0)
66 #define RTS5228_LDO1_POWERON_MASK		(0x03<<0)
67 #define RTS5228_LDO_POWERON_MASK		(0x0F<<0)
68 
69 #define RTS5228_DV3318_CFG				0xFF71
70 #define RTS5228_DV3318_TUNE_MASK		(0x07<<4)
71 #define RTS5228_DV3318_17				(0x00<<4)
72 #define RTS5228_DV3318_1V75				(0x01<<4)
73 #define RTS5228_DV3318_18				(0x02<<4)
74 #define RTS5228_DV3318_1V85				(0x03<<4)
75 #define RTS5228_DV3318_19				(0x04<<4)
76 #define RTS5228_DV3318_33				(0x07<<4)
77 #define RTS5228_DV3318_SR_MASK			(0x03<<2)
78 #define RTS5228_DV3318_SR_0				(0x00<<2)
79 #define RTS5228_DV3318_SR_250			(0x01<<2)
80 #define RTS5228_DV3318_SR_500			(0x02<<2)
81 #define RTS5228_DV3318_SR_1000			(0x03<<2)
82 
83 #define RTS5228_LDO1_CFG0				0xFF72
84 #define RTS5228_LDO1_OCP_THD_MASK		(0x07<<5)
85 #define RTS5228_LDO1_OCP_EN				(0x01<<4)
86 #define RTS5228_LDO1_OCP_LMT_THD_MASK	(0x03<<2)
87 #define RTS5228_LDO1_OCP_LMT_EN			(0x01<<1)
88 
89 #define RTS5228_LDO1_OCP_THD_730		(0x00<<5)
90 #define RTS5228_LDO1_OCP_THD_780		(0x01<<5)
91 #define RTS5228_LDO1_OCP_THD_860		(0x02<<5)
92 #define RTS5228_LDO1_OCP_THD_930		(0x03<<5)
93 #define RTS5228_LDO1_OCP_THD_1000		(0x04<<5)
94 #define RTS5228_LDO1_OCP_THD_1070		(0x05<<5)
95 #define RTS5228_LDO1_OCP_THD_1140		(0x06<<5)
96 #define RTS5228_LDO1_OCP_THD_1220		(0x07<<5)
97 
98 #define RTS5228_LDO1_LMT_THD_450		(0x00<<2)
99 #define RTS5228_LDO1_LMT_THD_1000		(0x01<<2)
100 #define RTS5228_LDO1_LMT_THD_1500		(0x02<<2)
101 #define RTS5228_LDO1_LMT_THD_2000		(0x03<<2)
102 
103 #define RTS5228_LDO1_CFG1				0xFF73
104 #define RTS5228_LDO1_SR_TIME_MASK		(0x03<<6)
105 #define RTS5228_LDO1_SR_0_0				(0x00<<6)
106 #define RTS5228_LDO1_SR_0_25			(0x01<<6)
107 #define RTS5228_LDO1_SR_0_5				(0x02<<6)
108 #define RTS5228_LDO1_SR_1_0				(0x03<<6)
109 #define RTS5228_LDO1_TUNE_MASK			(0x07<<1)
110 #define RTS5228_LDO1_18					(0x05<<1)
111 #define RTS5228_LDO1_33					(0x07<<1)
112 #define RTS5228_LDO1_PWD_MASK			(0x01<<0)
113 
114 #define RTS5228_AUXCLK_GAT_CTL			0xFF74
115 
116 #define RTS5228_REG_RREF_CTL_0			0xFF75
117 #define RTS5228_FORCE_RREF_EXTL			(0x01<<7)
118 #define RTS5228_REG_BG33_MASK			(0x07<<0)
119 #define RTS5228_RREF_12_1V				(0x04<<0)
120 #define RTS5228_RREF_12_3V				(0x05<<0)
121 
122 #define RTS5228_REG_RREF_CTL_1			0xFF76
123 
124 #define RTS5228_REG_RREF_CTL_2			0xFF77
125 #define RTS5228_TEST_INTL_RREF			(0x01<<7)
126 #define RTS5228_DGLCH_TIME_MASK			(0x03<<5)
127 #define RTS5228_DGLCH_TIME_50			(0x00<<5)
128 #define RTS5228_DGLCH_TIME_75			(0x01<<5)
129 #define RTS5228_DGLCH_TIME_100			(0x02<<5)
130 #define RTS5228_DGLCH_TIME_125			(0x03<<5)
131 #define RTS5228_REG_REXT_TUNE_MASK		(0x1F<<0)
132 
133 #define RTS5228_REG_PME_FORCE_CTL		0xFF78
134 #define FORCE_PM_CONTROL		0x20
135 #define FORCE_PM_VALUE			0x10
136 
137 
138 /* Single LUN, support SD */
139 #define DEFAULT_SINGLE		0
140 #define SD_LUN				1
141 
142 
143 /* For Change_FPGA_SSCClock Function */
144 #define MULTIPLY_BY_1    0x00
145 #define MULTIPLY_BY_2    0x01
146 #define MULTIPLY_BY_3    0x02
147 #define MULTIPLY_BY_4    0x03
148 #define MULTIPLY_BY_5    0x04
149 #define MULTIPLY_BY_6    0x05
150 #define MULTIPLY_BY_7    0x06
151 #define MULTIPLY_BY_8    0x07
152 #define MULTIPLY_BY_9    0x08
153 #define MULTIPLY_BY_10   0x09
154 
155 #define DIVIDE_BY_2      0x01
156 #define DIVIDE_BY_3      0x02
157 #define DIVIDE_BY_4      0x03
158 #define DIVIDE_BY_5      0x04
159 #define DIVIDE_BY_6      0x05
160 #define DIVIDE_BY_7      0x06
161 #define DIVIDE_BY_8      0x07
162 #define DIVIDE_BY_9      0x08
163 #define DIVIDE_BY_10     0x09
164 
165 int rts5228_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
166 		u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk);
167 
168 #endif /* RTS5228_H */
169