xref: /openbmc/linux/include/soc/tegra/pmc.h (revision b94b10aa)
1 /*
2  * Copyright (c) 2010 Google, Inc
3  * Copyright (c) 2014 NVIDIA Corporation
4  *
5  * Author:
6  *	Colin Cross <ccross@google.com>
7  *
8  * This software is licensed under the terms of the GNU General Public
9  * License version 2, as published by the Free Software Foundation, and
10  * may be copied, distributed, and modified under those terms.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  */
18 
19 #ifndef __SOC_TEGRA_PMC_H__
20 #define __SOC_TEGRA_PMC_H__
21 
22 #include <linux/reboot.h>
23 
24 #include <soc/tegra/pm.h>
25 
26 struct clk;
27 struct reset_control;
28 
29 #ifdef CONFIG_PM_SLEEP
30 enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void);
31 void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode);
32 void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode);
33 #endif /* CONFIG_PM_SLEEP */
34 
35 #ifdef CONFIG_SMP
36 bool tegra_pmc_cpu_is_powered(unsigned int cpuid);
37 int tegra_pmc_cpu_power_on(unsigned int cpuid);
38 int tegra_pmc_cpu_remove_clamping(unsigned int cpuid);
39 #endif /* CONFIG_SMP */
40 
41 /*
42  * powergate and I/O rail APIs
43  */
44 
45 #define TEGRA_POWERGATE_CPU	0
46 #define TEGRA_POWERGATE_3D	1
47 #define TEGRA_POWERGATE_VENC	2
48 #define TEGRA_POWERGATE_PCIE	3
49 #define TEGRA_POWERGATE_VDEC	4
50 #define TEGRA_POWERGATE_L2	5
51 #define TEGRA_POWERGATE_MPE	6
52 #define TEGRA_POWERGATE_HEG	7
53 #define TEGRA_POWERGATE_SATA	8
54 #define TEGRA_POWERGATE_CPU1	9
55 #define TEGRA_POWERGATE_CPU2	10
56 #define TEGRA_POWERGATE_CPU3	11
57 #define TEGRA_POWERGATE_CELP	12
58 #define TEGRA_POWERGATE_3D1	13
59 #define TEGRA_POWERGATE_CPU0	14
60 #define TEGRA_POWERGATE_C0NC	15
61 #define TEGRA_POWERGATE_C1NC	16
62 #define TEGRA_POWERGATE_SOR	17
63 #define TEGRA_POWERGATE_DIS	18
64 #define TEGRA_POWERGATE_DISB	19
65 #define TEGRA_POWERGATE_XUSBA	20
66 #define TEGRA_POWERGATE_XUSBB	21
67 #define TEGRA_POWERGATE_XUSBC	22
68 #define TEGRA_POWERGATE_VIC	23
69 #define TEGRA_POWERGATE_IRAM	24
70 #define TEGRA_POWERGATE_NVDEC	25
71 #define TEGRA_POWERGATE_NVJPG	26
72 #define TEGRA_POWERGATE_AUD	27
73 #define TEGRA_POWERGATE_DFD	28
74 #define TEGRA_POWERGATE_VE2	29
75 #define TEGRA_POWERGATE_MAX	TEGRA_POWERGATE_VE2
76 
77 #define TEGRA_POWERGATE_3D0	TEGRA_POWERGATE_3D
78 
79 #define TEGRA_IO_RAIL_CSIA	0
80 #define TEGRA_IO_RAIL_CSIB	1
81 #define TEGRA_IO_RAIL_DSI	2
82 #define TEGRA_IO_RAIL_MIPI_BIAS	3
83 #define TEGRA_IO_RAIL_PEX_BIAS	4
84 #define TEGRA_IO_RAIL_PEX_CLK1	5
85 #define TEGRA_IO_RAIL_PEX_CLK2	6
86 #define TEGRA_IO_RAIL_USB0	9
87 #define TEGRA_IO_RAIL_USB1	10
88 #define TEGRA_IO_RAIL_USB2	11
89 #define TEGRA_IO_RAIL_USB_BIAS	12
90 #define TEGRA_IO_RAIL_NAND	13
91 #define TEGRA_IO_RAIL_UART	14
92 #define TEGRA_IO_RAIL_BB	15
93 #define TEGRA_IO_RAIL_AUDIO	17
94 #define TEGRA_IO_RAIL_HSIC	19
95 #define TEGRA_IO_RAIL_COMP	22
96 #define TEGRA_IO_RAIL_HDMI	28
97 #define TEGRA_IO_RAIL_PEX_CNTRL	32
98 #define TEGRA_IO_RAIL_SDMMC1	33
99 #define TEGRA_IO_RAIL_SDMMC3	34
100 #define TEGRA_IO_RAIL_SDMMC4	35
101 #define TEGRA_IO_RAIL_CAM	36
102 #define TEGRA_IO_RAIL_RES	37
103 #define TEGRA_IO_RAIL_HV	38
104 #define TEGRA_IO_RAIL_DSIB	39
105 #define TEGRA_IO_RAIL_DSIC	40
106 #define TEGRA_IO_RAIL_DSID	41
107 #define TEGRA_IO_RAIL_CSIE	44
108 #define TEGRA_IO_RAIL_LVDS	57
109 #define TEGRA_IO_RAIL_SYS_DDC	58
110 
111 #ifdef CONFIG_ARCH_TEGRA
112 int tegra_powergate_is_powered(unsigned int id);
113 int tegra_powergate_power_on(unsigned int id);
114 int tegra_powergate_power_off(unsigned int id);
115 int tegra_powergate_remove_clamping(unsigned int id);
116 
117 /* Must be called with clk disabled, and returns with clk enabled */
118 int tegra_powergate_sequence_power_up(unsigned int id, struct clk *clk,
119 				      struct reset_control *rst);
120 
121 int tegra_io_rail_power_on(unsigned int id);
122 int tegra_io_rail_power_off(unsigned int id);
123 #else
124 static inline int tegra_powergate_is_powered(unsigned int id)
125 {
126 	return -ENOSYS;
127 }
128 
129 static inline int tegra_powergate_power_on(unsigned int id)
130 {
131 	return -ENOSYS;
132 }
133 
134 static inline int tegra_powergate_power_off(unsigned int id)
135 {
136 	return -ENOSYS;
137 }
138 
139 static inline int tegra_powergate_remove_clamping(unsigned int id)
140 {
141 	return -ENOSYS;
142 }
143 
144 static inline int tegra_powergate_sequence_power_up(unsigned int id,
145 						    struct clk *clk,
146 						    struct reset_control *rst)
147 {
148 	return -ENOSYS;
149 }
150 
151 static inline int tegra_io_rail_power_on(unsigned int id)
152 {
153 	return -ENOSYS;
154 }
155 
156 static inline int tegra_io_rail_power_off(unsigned int id)
157 {
158 	return -ENOSYS;
159 }
160 #endif /* CONFIG_ARCH_TEGRA */
161 
162 #endif /* __SOC_TEGRA_PMC_H__ */
163