mirror of
git://nv-tegra.nvidia.com/linux-hwpm.git
synced 2025-12-23 18:01:07 +03:00
42a33fd9d0
In an effort to make HWPM driver OS agnostic, add wrappers for io functions. Jira THWPM-59 Change-Id: I9309ee15a965aa3d2f122ef959eec211c9a84623 Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2738156 Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com> Reviewed-by: Vasuki Shankar <vasukis@nvidia.com> Reviewed-by: Seema Khowala <seemaj@nvidia.com> GVS: Gerrit_Virtual_Submit
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/*
|
|
* Copyright (c) 2021-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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 TEGRA_HWPM_IO_H
|
|
#define TEGRA_HWPM_IO_H
|
|
|
|
/**
|
|
* Sets a particular field value in input data.
|
|
*
|
|
* Uses mask to clear specific bit positions in curr_val. field_val
|
|
* is used to set the bits in curr_val to be returned.
|
|
* Note: Function does not perform any validation of input parameters.
|
|
*
|
|
* curr_val [in] Current input data value.
|
|
*
|
|
* mask [in] Mask of the bits to be updated.
|
|
*
|
|
* field_val [in] Value to change the mask bits to.
|
|
*
|
|
* Returns updated value.
|
|
*/
|
|
static inline u32 set_field(u32 curr_val, u32 mask, u32 field_val)
|
|
{
|
|
return ((curr_val & ~mask) | field_val);
|
|
}
|
|
|
|
/**
|
|
* Retrieve value of specific bits from input data.
|
|
* Note: Function does not perform any validation of input parameters.
|
|
*
|
|
* input_data [in] Data to retrieve value from.
|
|
*
|
|
* mask [in] Mask of the bits to get value from.
|
|
*
|
|
* Return value from input_data corresponding to mask bits.
|
|
*/
|
|
static inline u32 get_field(u32 input_data, u32 mask)
|
|
{
|
|
return (input_data & mask);
|
|
}
|
|
|
|
#ifdef __KERNEL__
|
|
#include <os/linux/io_utils.h>
|
|
#else
|
|
int tegra_hwpm_read_sticky_bits_impl(struct tegra_soc_hwpm *hwpm,
|
|
u64 reg_base, u64 reg_offset, u32 *val)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
int tegra_hwpm_readl_impl(struct tegra_soc_hwpm *hwpm,
|
|
struct hwpm_ip_aperture *aperture, u64 addr, u32 *val)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
int tegra_hwpm_writel_impl(struct tegra_soc_hwpm *hwpm,
|
|
struct hwpm_ip_aperture *aperture, u64 addr, u32 val)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
int tegra_hwpm_regops_readl_impl(struct tegra_soc_hwpm *hwpm,
|
|
struct hwpm_ip_inst *ip_inst, struct hwpm_ip_aperture *aperture,
|
|
u64 addr, u32 *val)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
int tegra_hwpm_regops_writel_impl(struct tegra_soc_hwpm *hwpm,
|
|
struct hwpm_ip_inst *ip_inst, struct hwpm_ip_aperture *aperture,
|
|
u64 addr, u32 val)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
#endif
|
|
|
|
#define tegra_hwpm_read_sticky_bits(hwpm, reg_base, reg_offset, val) \
|
|
tegra_hwpm_read_sticky_bits_impl(hwpm, reg_base, reg_offset, val)
|
|
|
|
#define tegra_hwpm_readl(hwpm, aperture, addr, val) \
|
|
tegra_hwpm_readl_impl(hwpm, aperture, addr, val)
|
|
|
|
#define tegra_hwpm_writel(hwpm, aperture, addr, val) \
|
|
tegra_hwpm_writel_impl(hwpm, aperture, addr, val)
|
|
|
|
#define tegra_hwpm_regops_readl(hwpm, ip_inst, aperture, addr, val) \
|
|
tegra_hwpm_regops_readl_impl(hwpm, ip_inst, aperture, addr, val)
|
|
|
|
#define tegra_hwpm_regops_writel(hwpm, ip_inst, aperture, addr, val) \
|
|
tegra_hwpm_regops_writel_impl(hwpm, ip_inst, aperture, addr, val)
|
|
|
|
#endif /* TEGRA_HWPM_IO_H */
|