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soc/tegra: Fix link errors with PMC disabled
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ce1e3262 1/*
ce1e3262 2 * Copyright (c) 2010 Google, Inc
7232398a 3 * Copyright (c) 2014 NVIDIA Corporation
ce1e3262
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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
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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>
ce1e3262 25
a25186eb 26struct clk;
80b28791 27struct reset_control;
a25186eb 28
7232398a 29#ifdef CONFIG_SMP
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30bool tegra_pmc_cpu_is_powered(unsigned int cpuid);
31int tegra_pmc_cpu_power_on(unsigned int cpuid);
32int tegra_pmc_cpu_remove_clamping(unsigned int cpuid);
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33#endif /* CONFIG_SMP */
34
35/*
36 * powergate and I/O rail APIs
37 */
38
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39#define TEGRA_POWERGATE_CPU 0
40#define TEGRA_POWERGATE_3D 1
41#define TEGRA_POWERGATE_VENC 2
42#define TEGRA_POWERGATE_PCIE 3
43#define TEGRA_POWERGATE_VDEC 4
44#define TEGRA_POWERGATE_L2 5
45#define TEGRA_POWERGATE_MPE 6
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46#define TEGRA_POWERGATE_HEG 7
47#define TEGRA_POWERGATE_SATA 8
48#define TEGRA_POWERGATE_CPU1 9
49#define TEGRA_POWERGATE_CPU2 10
50#define TEGRA_POWERGATE_CPU3 11
51#define TEGRA_POWERGATE_CELP 12
52#define TEGRA_POWERGATE_3D1 13
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53#define TEGRA_POWERGATE_CPU0 14
54#define TEGRA_POWERGATE_C0NC 15
55#define TEGRA_POWERGATE_C1NC 16
9a716579 56#define TEGRA_POWERGATE_SOR 17
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57#define TEGRA_POWERGATE_DIS 18
58#define TEGRA_POWERGATE_DISB 19
59#define TEGRA_POWERGATE_XUSBA 20
60#define TEGRA_POWERGATE_XUSBB 21
61#define TEGRA_POWERGATE_XUSBC 22
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62#define TEGRA_POWERGATE_VIC 23
63#define TEGRA_POWERGATE_IRAM 24
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64#define TEGRA_POWERGATE_NVDEC 25
65#define TEGRA_POWERGATE_NVJPG 26
66#define TEGRA_POWERGATE_AUD 27
67#define TEGRA_POWERGATE_DFD 28
68#define TEGRA_POWERGATE_VE2 29
a3804512 69#define TEGRA_POWERGATE_MAX TEGRA_POWERGATE_VE2
6cafa97d 70
6cafa97d 71#define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D
ce1e3262 72
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73/**
74 * enum tegra_io_pad - I/O pad group identifier
75 *
76 * I/O pins on Tegra SoCs are grouped into so-called I/O pads. Each such pad
77 * can be used to control the common voltage signal level and power state of
78 * the pins of the given pad.
79 */
80enum tegra_io_pad {
81 TEGRA_IO_PAD_AUDIO,
82 TEGRA_IO_PAD_AUDIO_HV,
83 TEGRA_IO_PAD_BB,
84 TEGRA_IO_PAD_CAM,
85 TEGRA_IO_PAD_COMP,
86 TEGRA_IO_PAD_CSIA,
87 TEGRA_IO_PAD_CSIB,
88 TEGRA_IO_PAD_CSIC,
89 TEGRA_IO_PAD_CSID,
90 TEGRA_IO_PAD_CSIE,
91 TEGRA_IO_PAD_CSIF,
92 TEGRA_IO_PAD_DBG,
93 TEGRA_IO_PAD_DEBUG_NONAO,
94 TEGRA_IO_PAD_DMIC,
95 TEGRA_IO_PAD_DP,
96 TEGRA_IO_PAD_DSI,
97 TEGRA_IO_PAD_DSIB,
98 TEGRA_IO_PAD_DSIC,
99 TEGRA_IO_PAD_DSID,
100 TEGRA_IO_PAD_EMMC,
101 TEGRA_IO_PAD_EMMC2,
102 TEGRA_IO_PAD_GPIO,
103 TEGRA_IO_PAD_HDMI,
104 TEGRA_IO_PAD_HSIC,
105 TEGRA_IO_PAD_HV,
106 TEGRA_IO_PAD_LVDS,
107 TEGRA_IO_PAD_MIPI_BIAS,
108 TEGRA_IO_PAD_NAND,
109 TEGRA_IO_PAD_PEX_BIAS,
110 TEGRA_IO_PAD_PEX_CLK1,
111 TEGRA_IO_PAD_PEX_CLK2,
112 TEGRA_IO_PAD_PEX_CNTRL,
113 TEGRA_IO_PAD_SDMMC1,
114 TEGRA_IO_PAD_SDMMC3,
115 TEGRA_IO_PAD_SDMMC4,
116 TEGRA_IO_PAD_SPI,
117 TEGRA_IO_PAD_SPI_HV,
118 TEGRA_IO_PAD_SYS_DDC,
119 TEGRA_IO_PAD_UART,
120 TEGRA_IO_PAD_USB0,
121 TEGRA_IO_PAD_USB1,
122 TEGRA_IO_PAD_USB2,
123 TEGRA_IO_PAD_USB3,
124 TEGRA_IO_PAD_USB_BIAS,
125};
126
127/* deprecated, use TEGRA_IO_PAD_{HDMI,LVDS} instead */
128#define TEGRA_IO_RAIL_HDMI TEGRA_IO_PAD_HDMI
129#define TEGRA_IO_RAIL_LVDS TEGRA_IO_PAD_LVDS
130
131/**
132 * enum tegra_io_pad_voltage - voltage level of the I/O pad's source rail
133 * @TEGRA_IO_PAD_1800000UV: 1.8 V
134 * @TEGRA_IO_PAD_3300000UV: 3.3 V
135 */
136enum tegra_io_pad_voltage {
137 TEGRA_IO_PAD_1800000UV,
138 TEGRA_IO_PAD_3300000UV,
139};
9d4450ae 140
bd737038 141#ifdef CONFIG_SOC_TEGRA_PMC
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142int tegra_powergate_is_powered(unsigned int id);
143int tegra_powergate_power_on(unsigned int id);
144int tegra_powergate_power_off(unsigned int id);
145int tegra_powergate_remove_clamping(unsigned int id);
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146
147/* Must be called with clk disabled, and returns with clk enabled */
70293ed0 148int tegra_powergate_sequence_power_up(unsigned int id, struct clk *clk,
80b28791 149 struct reset_control *rst);
9d4450ae 150
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151int tegra_io_pad_power_enable(enum tegra_io_pad id);
152int tegra_io_pad_power_disable(enum tegra_io_pad id);
153int tegra_io_pad_set_voltage(enum tegra_io_pad id,
154 enum tegra_io_pad_voltage voltage);
155int tegra_io_pad_get_voltage(enum tegra_io_pad id);
156
157/* deprecated, use tegra_io_pad_power_{enable,disable}() instead */
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158int tegra_io_rail_power_on(unsigned int id);
159int tegra_io_rail_power_off(unsigned int id);
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160
161enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void);
162void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode);
163void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode);
164
9886e1fd 165#else
70293ed0 166static inline int tegra_powergate_is_powered(unsigned int id)
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167{
168 return -ENOSYS;
169}
170
70293ed0 171static inline int tegra_powergate_power_on(unsigned int id)
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172{
173 return -ENOSYS;
174}
175
70293ed0 176static inline int tegra_powergate_power_off(unsigned int id)
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177{
178 return -ENOSYS;
179}
180
70293ed0 181static inline int tegra_powergate_remove_clamping(unsigned int id)
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182{
183 return -ENOSYS;
184}
185
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186static inline int tegra_powergate_sequence_power_up(unsigned int id,
187 struct clk *clk,
f53f4159 188 struct reset_control *rst)
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189{
190 return -ENOSYS;
191}
9d4450ae 192
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193static inline int tegra_io_pad_power_enable(enum tegra_io_pad id)
194{
195 return -ENOSYS;
196}
197
198static inline int tegra_io_pad_power_disable(enum tegra_io_pad id)
199{
200 return -ENOSYS;
201}
202
203static inline int tegra_io_pad_set_voltage(enum tegra_io_pad id,
204 enum tegra_io_pad_voltage voltage)
205{
206 return -ENOSYS;
207}
208
209static inline int tegra_io_pad_get_voltage(enum tegra_io_pad id)
210{
211 return -ENOSYS;
212}
213
70293ed0 214static inline int tegra_io_rail_power_on(unsigned int id)
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215{
216 return -ENOSYS;
217}
218
70293ed0 219static inline int tegra_io_rail_power_off(unsigned int id)
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220{
221 return -ENOSYS;
222}
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223
224static inline enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void)
225{
226 return TEGRA_SUSPEND_NONE;
227}
228
229static inline void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode)
230{
231}
232
233static inline void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode)
234{
235}
236
237#endif /* CONFIG_SOC_TEGRA_PMC */
ce1e3262 238
7232398a 239#endif /* __SOC_TEGRA_PMC_H__ */