| /* |
| * drivers/amlogic/media/frame_provider/decoder/utils/vdec_power_ctrl.h |
| * |
| * Copyright (C) 2016 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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. |
| * |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/errno.h> |
| #include <linux/of.h> |
| #include <linux/of_fdt.h> |
| #include <linux/of_device.h> |
| #include <linux/module.h> |
| #include <linux/delay.h> |
| #include <linux/version.h> |
| #include <linux/device.h> |
| #include <linux/platform_device.h> |
| #include <linux/pm.h> |
| #include <linux/pm_domain.h> |
| #include <linux/pm_runtime.h> |
| #include "vdec.h" |
| |
| /* Directly controlled by reading and writing registers. */ |
| #define PM_POWER_CTRL_RW_REG (0) |
| |
| /* Use power_ctrl_xxx family of interface controls. */ |
| #define PM_POWER_CTRL_API (1) |
| |
| /* |
| * Power Domain interface control, currently supported |
| * in versions 4.19 and above. |
| */ |
| #define PM_POWER_DOMAIN (2) |
| |
| /* |
| * Controlled by the secure API provided by power domain, |
| * version 4.9 supports currently supported platforms (SC2). |
| */ |
| #define PM_POWER_DOMAIN_SEC_API (3) |
| |
| /* |
| * Use non-secure API control through power domain, version 4.9 support, |
| * currently supported platforms (SM1, TM2, TM2-revB). |
| */ |
| #define PM_POWER_DOMAIN_NONSEC_API (4) |
| |
| enum pm_pd_e { |
| PD_VDEC, |
| PD_HCODEC, |
| PD_VDEC2, |
| PD_HEVC, |
| PD_HEVCB, |
| PD_WAVE, |
| PD_MAX |
| }; |
| |
| struct pm_pd_s { |
| u8 *name; |
| struct device *dev; |
| struct device_link *link; |
| }; |
| |
| struct power_manager_s { |
| int pm_type; |
| struct pm_pd_s *pd_data; |
| int (*init) (struct device *dev); |
| void (*release) (struct device *dev); |
| void (*power_on) (struct device *dev, int id); |
| void (*power_off) (struct device *dev, int id); |
| bool (*power_state) (struct device *dev, int id); |
| }; |
| |
| const char *get_pm_name(int type); |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 19, 0) |
| #define DL_FLAG_STATELESS BIT(0) |
| #define DL_FLAG_AUTOREMOVE_CONSUMER BIT(1) |
| #define DL_FLAG_PM_RUNTIME BIT(2) |
| #define DL_FLAG_RPM_ACTIVE BIT(3) |
| #define DL_FLAG_AUTOREMOVE_SUPPLIER BIT(4) |
| |
| struct device_link { |
| u32 flags; |
| /* ... */ |
| }; |
| |
| static inline struct device *dev_pm_domain_attach_by_name(struct device *dev, |
| const char *name) |
| { return NULL; } |
| static inline struct device_link *device_link_add(struct device *consumer, |
| struct device *supplier, u32 flags) |
| { return NULL; } |
| static inline void device_link_del(struct device_link *link) { return; } |
| static inline void device_link_remove(void *consumer, struct device *supplier) { return; } |
| #endif |
| |