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Mon, 16 Dec 2024 17:16:05 +0800 From: Lifeng Zheng To: , , , CC: , , , , , , , , , , , , Subject: [PATCH v3 3/4] ACPI: CPPC: Add autonomous selection ABIs Date: Mon, 16 Dec 2024 17:16:02 +0800 Message-ID: <20241216091603.1247644-4-zhenglifeng1@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20241216091603.1247644-1-zhenglifeng1@huawei.com> References: <20241216091603.1247644-1-zhenglifeng1@huawei.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemh100008.china.huawei.com (7.202.181.93) cppc_set_epp - write energy performance preference register cppc_get_auto_act_window - read autonomous activity window register cppc_set_auto_act_window - write autonomous activity window register cppc_get_auto_sel - read autonomous selection enable register Signed-off-by: Lifeng Zheng --- drivers/acpi/cppc_acpi.c | 44 ++++++++++++++++++++++++++++++++++++++++ include/acpi/cppc_acpi.h | 20 ++++++++++++++++++ 2 files changed, 64 insertions(+) diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 83c7fcad74ad..645f2366c888 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -1595,6 +1595,50 @@ int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls, bool enable) } EXPORT_SYMBOL_GPL(cppc_set_epp_perf); +/** + * cppc_set_epp() - Write the EPP register. + * @cpu: CPU on which to write register. + * @epp_val: Value to write to the EPP register. + */ +int cppc_set_epp(int cpu, u64 epp_val) +{ + return cppc_set_reg_val(cpu, ENERGY_PERF, epp_val); +} +EXPORT_SYMBOL_GPL(cppc_set_epp); + +/** + * cppc_get_auto_act_window() - Read autonomous activity window register. + * @cpu: CPU from which to read register. + * @auto_act_window: Return address. + */ +int cppc_get_auto_act_window(int cpu, u64 *auto_act_window) +{ + return cppc_get_reg_val(cpu, AUTO_ACT_WINDOW, auto_act_window); +} +EXPORT_SYMBOL_GPL(cppc_get_auto_act_window); + +/** + * cppc_set_auto_act_window() - Write autonomous activity window register. + * @cpu: CPU on which to write register. + * @auto_act_window: Value to write to the autonomous activity window register. + */ +int cppc_set_auto_act_window(int cpu, u64 auto_act_window) +{ + return cppc_set_reg_val(cpu, AUTO_ACT_WINDOW, auto_act_window); +} +EXPORT_SYMBOL_GPL(cppc_set_auto_act_window); + +/** + * cppc_get_auto_sel() - Read autonomous selection register. + * @cpu: CPU from which to read register. + * @auto_sel: Return address. + */ +int cppc_get_auto_sel(int cpu, u64 *auto_sel) +{ + return cppc_get_reg_val(cpu, AUTO_SEL_ENABLE, auto_sel); +} +EXPORT_SYMBOL_GPL(cppc_get_auto_sel); + /** * cppc_get_auto_sel_caps - Read autonomous selection register. * @cpunum : CPU from which to read register. diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h index 62d368bcd9ec..134931b081a0 100644 --- a/include/acpi/cppc_acpi.h +++ b/include/acpi/cppc_acpi.h @@ -159,6 +159,10 @@ extern int cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val); extern int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val); extern int cppc_get_epp_perf(int cpunum, u64 *epp_perf); extern int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls, bool enable); +extern int cppc_set_epp(int cpu, u64 epp_val); +extern int cppc_get_auto_act_window(int cpu, u64 *auto_act_window); +extern int cppc_set_auto_act_window(int cpu, u64 auto_act_window); +extern int cppc_get_auto_sel(int cpu, u64 *auto_sel); extern int cppc_get_auto_sel_caps(int cpunum, struct cppc_perf_caps *perf_caps); extern int cppc_set_auto_sel(int cpu, bool enable); extern int amd_get_highest_perf(unsigned int cpu, u32 *highest_perf); @@ -225,6 +229,22 @@ static inline int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls, { return -EOPNOTSUPP; } +static inline int cppc_set_epp(int cpu, u64 epp_val) +{ + return -EOPNOTSUPP; +} +static inline int cppc_get_auto_act_window(int cpu, u64 *auto_act_window) +{ + return -EOPNOTSUPP; +} +static inline int cppc_set_auto_act_window(int cpu, u64 auto_act_window) +{ + return -EOPNOTSUPP; +} +static inline int cppc_get_auto_sel(int cpu, u64 *auto_sel) +{ + return -EOPNOTSUPP; +} static inline int cppc_get_epp_perf(int cpunum, u64 *epp_perf) { return -EOPNOTSUPP;