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bpmp.h

/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. */ #ifndef __SOC_TEGRA_BPMP_H #define __SOC_TEGRA_BPMP_H #include <linux/iosys-map.h> #include <linux/mailbox_client.h> #include <linux/pm_domain.h> #include <linux/reset-controller.h> #include <linux/semaphore.h> #include <linux/types.h> #include <soc/tegra/bpmp-abi.h> struct tegra_bpmp_clk; struct tegra_bpmp_ops; struct tegra_bpmp_soc { struct { struct { unsigned int offset; unsigned int count; unsigned int timeout; } cpu_tx, thread, cpu_rx; } channels; const struct tegra_bpmp_ops *ops; unsigned int num_resets; }; struct tegra_bpmp_mb_data { u32 code; u32 flags; u8 data[MSG_DATA_MIN_SZ]; } __packed; #define tegra_bpmp_mb_read(dst, mb, size) \ iosys_map_memcpy_from(dst, mb, offsetof(struct tegra_bpmp_mb_data, data), size) #define tegra_bpmp_mb_write(mb, src, size) \ iosys_map_memcpy_to(mb, offsetof(struct tegra_bpmp_mb_data, data), src, size) #define tegra_bpmp_mb_read_field(mb, field) \ iosys_map_rd_field(mb, 0, struct tegra_bpmp_mb_data, field) #define tegra_bpmp_mb_write_field(mb, field, value) \ iosys_map_wr_field(mb, 0, struct tegra_bpmp_mb_data, field, value) struct tegra_bpmp_channel { struct tegra_bpmp *bpmp; struct iosys_map ib; struct iosys_map ob; struct completion completion; struct tegra_ivc *ivc; unsigned int index; }; typedef void (*tegra_bpmp_mrq_handler_t)(unsigned int mrq, struct tegra_bpmp_channel *channel, void *data); struct tegra_bpmp_mrq { struct list_head list; unsigned int mrq; tegra_bpmp_mrq_handler_t handler; void *data; }; struct tegra_bpmp { const struct tegra_bpmp_soc *soc; struct device *dev; void *priv; struct { struct mbox_client client; struct mbox_chan *channel; } mbox; spinlock_t atomic_tx_lock; struct tegra_bpmp_channel *tx_channel, *rx_channel, *threaded_channels; struct { unsigned long *allocated; unsigned long *busy; unsigned int count; struct semaphore lock; } threaded; struct list_head mrqs; spinlock_t lock; struct tegra_bpmp_clk **clocks; unsigned int num_clocks; struct reset_controller_dev rstc; struct genpd_onecell_data genpd; #ifdef CONFIG_DEBUG_FS struct dentry *debugfs_mirror; #endif bool suspended; }; #define TEGRA_BPMP_MESSAGE_RESET BIT(0) struct tegra_bpmp_message { unsigned int mrq; struct { const void *data; size_t size; } tx; struct { void *data; size_t size; int ret; } rx; unsigned long flags; }; #if IS_ENABLED(CONFIG_TEGRA_BPMP) struct tegra_bpmp *tegra_bpmp_get(struct device *dev); void tegra_bpmp_put(struct tegra_bpmp *bpmp); int tegra_bpmp_transfer_atomic(struct tegra_bpmp *bpmp, struct tegra_bpmp_message *msg); int tegra_bpmp_transfer(struct tegra_bpmp *bpmp, struct tegra_bpmp_message *msg); void tegra_bpmp_mrq_return(struct tegra_bpmp_channel *channel, int code, const void *data, size_t size); int tegra_bpmp_request_mrq(struct tegra_bpmp *bpmp, unsigned int mrq, tegra_bpmp_mrq_handler_t handler, void *data); void tegra_bpmp_free_mrq(struct tegra_bpmp *bpmp, unsigned int mrq, void *data); bool tegra_bpmp_mrq_is_supported(struct tegra_bpmp *bpmp, unsigned int mrq); #else static inline struct tegra_bpmp *tegra_bpmp_get(struct device *dev) { return ERR_PTR(-ENOTSUPP); } static inline void tegra_bpmp_put(struct tegra_bpmp *bpmp) { } static inline int tegra_bpmp_transfer_atomic(struct tegra_bpmp *bpmp, struct tegra_bpmp_message *msg) { return -ENOTSUPP; } static inline int tegra_bpmp_transfer(struct tegra_bpmp *bpmp, struct tegra_bpmp_message *msg) { return -ENOTSUPP; } static inline void tegra_bpmp_mrq_return(struct tegra_bpmp_channel *channel, int code, const void *data, size_t size) { } static inline int tegra_bpmp_request_mrq(struct tegra_bpmp *bpmp, unsigned int mrq, tegra_bpmp_mrq_handler_t handler, void *data) { return -ENOTSUPP; } static inline void tegra_bpmp_free_mrq(struct tegra_bpmp *bpmp, unsigned int mrq, void *data) { } static inline bool tegra_bpmp_mrq_is_supported(struct tegra_bpmp *bpmp, unsigned int mrq) { return false; } #endif void tegra_bpmp_handle_rx(struct tegra_bpmp *bpmp); #if IS_ENABLED(CONFIG_CLK_TEGRA_BPMP) int tegra_bpmp_init_clocks(struct tegra_bpmp *bpmp); #else static inline int tegra_bpmp_init_clocks(struct tegra_bpmp *bpmp) { return 0; } #endif #if IS_ENABLED(CONFIG_RESET_TEGRA_BPMP) int tegra_bpmp_init_resets(struct tegra_bpmp *bpmp); #else static inline int tegra_bpmp_init_resets(struct tegra_bpmp *bpmp) { return 0; } #endif #if IS_ENABLED(CONFIG_SOC_TEGRA_POWERGATE_BPMP) int tegra_bpmp_init_powergates(struct tegra_bpmp *bpmp); #else static inline int tegra_bpmp_init_powergates(struct tegra_bpmp *bpmp) { return 0; } #endif #if IS_ENABLED(CONFIG_DEBUG_FS) int tegra_bpmp_init_debugfs(struct tegra_bpmp *bpmp); #else static inline int tegra_bpmp_init_debugfs(struct tegra_bpmp *bpmp) { return 0; } #endif #endif /* __SOC_TEGRA_BPMP_H */

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docroot: /var/www/469ed2f6-4d4b-4a8a-9f5e-ee4ef04d3bc8/public_html

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curdir: /usr/src/linux-headers-6.8.0-117/include/soc/tegra

	.		4096
	..		4096
X	ahb.h		267
X	bpmp-abi.h		117496
X	bpmp.h		5064
X	common.h		1079
X	cpuidle.h		368
X	flowctrl.h		2245
X	fuse.h		2429
X	irq.h		386
X	ivc.h		2799
X	mc.h		6082
X	pm.h		1582
X	pmc.h		5898
X	tegra-cbb.h		1344