Add sc_pm_get_resource_power_mode to get resource power mode
Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/include/asm/arch-imx8/sci/sci.h | 2 ++ drivers/misc/imx8/scu_api.c | 25 +++++++++++++++++++++++++ 2 files changed, 27 insertions(+)
diff --git a/arch/arm/include/asm/arch-imx8/sci/sci.h b/arch/arm/include/asm/arch-imx8/sci/sci.h index 97377697f0..b73cda2286 100644 --- a/arch/arm/include/asm/arch-imx8/sci/sci.h +++ b/arch/arm/include/asm/arch-imx8/sci/sci.h @@ -58,6 +58,8 @@ static inline int sc_err_to_linux(sc_err_t err) /* PM API*/ int sc_pm_set_resource_power_mode(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_power_mode_t mode); +int sc_pm_get_resource_power_mode(sc_ipc_t ipc, sc_rsrc_t resource, + sc_pm_power_mode_t *mode); int sc_pm_set_clock_rate(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, sc_pm_clock_rate_t *rate); int sc_pm_get_clock_rate(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, diff --git a/drivers/misc/imx8/scu_api.c b/drivers/misc/imx8/scu_api.c index d9c4d5d784..b181c6a29f 100644 --- a/drivers/misc/imx8/scu_api.c +++ b/drivers/misc/imx8/scu_api.c @@ -119,6 +119,31 @@ int sc_pm_set_resource_power_mode(sc_ipc_t ipc, sc_rsrc_t resource, return ret; }
+int sc_pm_get_resource_power_mode(sc_ipc_t ipc, sc_rsrc_t resource, + sc_pm_power_mode_t *mode) +{ + struct udevice *dev = gd->arch.scu_dev; + struct sc_rpc_msg_s msg; + int size = sizeof(struct sc_rpc_msg_s); + int ret; + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)(SC_RPC_SVC_PM); + RPC_FUNC(&msg) = (u8)(PM_FUNC_GET_RESOURCE_POWER_MODE); + RPC_U16(&msg, 0U) = (u16)(resource); + RPC_SIZE(&msg) = 2U; + + ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size); + if (ret) + printf("%s: resource:%d: res:%d\n", + __func__, resource, RPC_R8(&msg)); + + if (mode) + *mode = RPC_U8(&msg, 0U); + + return ret; +} + /* PAD */ int sc_pad_set(sc_ipc_t ipc, sc_pad_t pad, u32 val) {