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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /include/soc/tegra/pmc.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--include/soc/tegra/pmc.h252
1 files changed, 252 insertions, 0 deletions
diff --git a/include/soc/tegra/pmc.h b/include/soc/tegra/pmc.h
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+/*
+ * Copyright (c) 2010 Google, Inc
+ * Copyright (c) 2014 NVIDIA Corporation
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __SOC_TEGRA_PMC_H__
+#define __SOC_TEGRA_PMC_H__
+
+#include <linux/reboot.h>
+
+#include <soc/tegra/pm.h>
+
+struct clk;
+struct reset_control;
+
+#ifdef CONFIG_SMP
+bool tegra_pmc_cpu_is_powered(unsigned int cpuid);
+int tegra_pmc_cpu_power_on(unsigned int cpuid);
+int tegra_pmc_cpu_remove_clamping(unsigned int cpuid);
+#endif /* CONFIG_SMP */
+
+/*
+ * powergate and I/O rail APIs
+ */
+
+#define TEGRA_POWERGATE_CPU 0
+#define TEGRA_POWERGATE_3D 1
+#define TEGRA_POWERGATE_VENC 2
+#define TEGRA_POWERGATE_PCIE 3
+#define TEGRA_POWERGATE_VDEC 4
+#define TEGRA_POWERGATE_L2 5
+#define TEGRA_POWERGATE_MPE 6
+#define TEGRA_POWERGATE_HEG 7
+#define TEGRA_POWERGATE_SATA 8
+#define TEGRA_POWERGATE_CPU1 9
+#define TEGRA_POWERGATE_CPU2 10
+#define TEGRA_POWERGATE_CPU3 11
+#define TEGRA_POWERGATE_CELP 12
+#define TEGRA_POWERGATE_3D1 13
+#define TEGRA_POWERGATE_CPU0 14
+#define TEGRA_POWERGATE_C0NC 15
+#define TEGRA_POWERGATE_C1NC 16
+#define TEGRA_POWERGATE_SOR 17
+#define TEGRA_POWERGATE_DIS 18
+#define TEGRA_POWERGATE_DISB 19
+#define TEGRA_POWERGATE_XUSBA 20
+#define TEGRA_POWERGATE_XUSBB 21
+#define TEGRA_POWERGATE_XUSBC 22
+#define TEGRA_POWERGATE_VIC 23
+#define TEGRA_POWERGATE_IRAM 24
+#define TEGRA_POWERGATE_NVDEC 25
+#define TEGRA_POWERGATE_NVJPG 26
+#define TEGRA_POWERGATE_AUD 27
+#define TEGRA_POWERGATE_DFD 28
+#define TEGRA_POWERGATE_VE2 29
+#define TEGRA_POWERGATE_MAX TEGRA_POWERGATE_VE2
+
+#define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D
+
+/**
+ * enum tegra_io_pad - I/O pad group identifier
+ *
+ * I/O pins on Tegra SoCs are grouped into so-called I/O pads. Each such pad
+ * can be used to control the common voltage signal level and power state of
+ * the pins of the given pad.
+ */
+enum tegra_io_pad {
+ TEGRA_IO_PAD_AUDIO,
+ TEGRA_IO_PAD_AUDIO_HV,
+ TEGRA_IO_PAD_BB,
+ TEGRA_IO_PAD_CAM,
+ TEGRA_IO_PAD_COMP,
+ TEGRA_IO_PAD_CONN,
+ TEGRA_IO_PAD_CSIA,
+ TEGRA_IO_PAD_CSIB,
+ TEGRA_IO_PAD_CSIC,
+ TEGRA_IO_PAD_CSID,
+ TEGRA_IO_PAD_CSIE,
+ TEGRA_IO_PAD_CSIF,
+ TEGRA_IO_PAD_DBG,
+ TEGRA_IO_PAD_DEBUG_NONAO,
+ TEGRA_IO_PAD_DMIC,
+ TEGRA_IO_PAD_DMIC_HV,
+ TEGRA_IO_PAD_DP,
+ TEGRA_IO_PAD_DSI,
+ TEGRA_IO_PAD_DSIB,
+ TEGRA_IO_PAD_DSIC,
+ TEGRA_IO_PAD_DSID,
+ TEGRA_IO_PAD_EDP,
+ TEGRA_IO_PAD_EMMC,
+ TEGRA_IO_PAD_EMMC2,
+ TEGRA_IO_PAD_GPIO,
+ TEGRA_IO_PAD_HDMI,
+ TEGRA_IO_PAD_HDMI_DP0,
+ TEGRA_IO_PAD_HDMI_DP1,
+ TEGRA_IO_PAD_HSIC,
+ TEGRA_IO_PAD_HV,
+ TEGRA_IO_PAD_LVDS,
+ TEGRA_IO_PAD_MIPI_BIAS,
+ TEGRA_IO_PAD_NAND,
+ TEGRA_IO_PAD_PEX_BIAS,
+ TEGRA_IO_PAD_PEX_CLK_BIAS,
+ TEGRA_IO_PAD_PEX_CLK1,
+ TEGRA_IO_PAD_PEX_CLK2,
+ TEGRA_IO_PAD_PEX_CLK3,
+ TEGRA_IO_PAD_PEX_CNTRL,
+ TEGRA_IO_PAD_SDMMC1,
+ TEGRA_IO_PAD_SDMMC1_HV,
+ TEGRA_IO_PAD_SDMMC2,
+ TEGRA_IO_PAD_SDMMC2_HV,
+ TEGRA_IO_PAD_SDMMC3,
+ TEGRA_IO_PAD_SDMMC3_HV,
+ TEGRA_IO_PAD_SDMMC4,
+ TEGRA_IO_PAD_SPI,
+ TEGRA_IO_PAD_SPI_HV,
+ TEGRA_IO_PAD_SYS_DDC,
+ TEGRA_IO_PAD_UART,
+ TEGRA_IO_PAD_UFS,
+ TEGRA_IO_PAD_USB0,
+ TEGRA_IO_PAD_USB1,
+ TEGRA_IO_PAD_USB2,
+ TEGRA_IO_PAD_USB3,
+ TEGRA_IO_PAD_USB_BIAS,
+ TEGRA_IO_PAD_AO_HV,
+};
+
+/* deprecated, use TEGRA_IO_PAD_{HDMI,LVDS} instead */
+#define TEGRA_IO_RAIL_HDMI TEGRA_IO_PAD_HDMI
+#define TEGRA_IO_RAIL_LVDS TEGRA_IO_PAD_LVDS
+
+/**
+ * enum tegra_io_pad_voltage - voltage level of the I/O pad's source rail
+ * @TEGRA_IO_PAD_1800000UV: 1.8 V
+ * @TEGRA_IO_PAD_3300000UV: 3.3 V
+ */
+enum tegra_io_pad_voltage {
+ TEGRA_IO_PAD_1800000UV,
+ TEGRA_IO_PAD_3300000UV,
+};
+
+#ifdef CONFIG_SOC_TEGRA_PMC
+int tegra_powergate_is_powered(unsigned int id);
+int tegra_powergate_power_on(unsigned int id);
+int tegra_powergate_power_off(unsigned int id);
+int tegra_powergate_remove_clamping(unsigned int id);
+
+/* Must be called with clk disabled, and returns with clk enabled */
+int tegra_powergate_sequence_power_up(unsigned int id, struct clk *clk,
+ struct reset_control *rst);
+
+int tegra_io_pad_power_enable(enum tegra_io_pad id);
+int tegra_io_pad_power_disable(enum tegra_io_pad id);
+int tegra_io_pad_set_voltage(enum tegra_io_pad id,
+ enum tegra_io_pad_voltage voltage);
+int tegra_io_pad_get_voltage(enum tegra_io_pad id);
+
+/* deprecated, use tegra_io_pad_power_{enable,disable}() instead */
+int tegra_io_rail_power_on(unsigned int id);
+int tegra_io_rail_power_off(unsigned int id);
+
+enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void);
+void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode);
+void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode);
+
+#else
+static inline int tegra_powergate_is_powered(unsigned int id)
+{
+ return -ENOSYS;
+}
+
+static inline int tegra_powergate_power_on(unsigned int id)
+{
+ return -ENOSYS;
+}
+
+static inline int tegra_powergate_power_off(unsigned int id)
+{
+ return -ENOSYS;
+}
+
+static inline int tegra_powergate_remove_clamping(unsigned int id)
+{
+ return -ENOSYS;
+}
+
+static inline int tegra_powergate_sequence_power_up(unsigned int id,
+ struct clk *clk,
+ struct reset_control *rst)
+{
+ return -ENOSYS;
+}
+
+static inline int tegra_io_pad_power_enable(enum tegra_io_pad id)
+{
+ return -ENOSYS;
+}
+
+static inline int tegra_io_pad_power_disable(enum tegra_io_pad id)
+{
+ return -ENOSYS;
+}
+
+static inline int tegra_io_pad_set_voltage(enum tegra_io_pad id,
+ enum tegra_io_pad_voltage voltage)
+{
+ return -ENOSYS;
+}
+
+static inline int tegra_io_pad_get_voltage(enum tegra_io_pad id)
+{
+ return -ENOSYS;
+}
+
+static inline int tegra_io_rail_power_on(unsigned int id)
+{
+ return -ENOSYS;
+}
+
+static inline int tegra_io_rail_power_off(unsigned int id)
+{
+ return -ENOSYS;
+}
+
+static inline enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void)
+{
+ return TEGRA_SUSPEND_NONE;
+}
+
+static inline void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode)
+{
+}
+
+static inline void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode)
+{
+}
+
+#endif /* CONFIG_SOC_TEGRA_PMC */
+
+#endif /* __SOC_TEGRA_PMC_H__ */