firmware: xilinx: Update firmware call interface to support additional args
authorJay Buddhabhatti <jay.buddhabhatti@amd.com>
Wed, 29 Nov 2023 11:27:09 +0000 (03:27 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 7 Dec 2023 02:18:28 +0000 (11:18 +0900)
System-level platform management layer (do_fw_call()) has support for
maximum of 5 arguments as of now (1 EEMI API ID + 4 command arguments).
In order to support new EEMI PM_IOCTL IDs (Secure Read/Write), this
support must be extended to support one additional argument, which
results in a configuration of - 1 EEMI API ID + 5 command arguments.

Update zynqmp_pm_invoke_fn() and do_fw_call() with this new definition
containing variable arguments. As a result, update all the references
to pm invoke function with the updated definition.

Co-developed-by: Izhar Ameer Shaikh <izhar.ameer.shaikh@amd.com>
Signed-off-by: Izhar Ameer Shaikh <izhar.ameer.shaikh@amd.com>
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-2-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/firmware/xilinx/zynqmp.c
drivers/soc/xilinx/xlnx_event_manager.c
drivers/soc/xilinx/zynqmp_power.c
include/linux/firmware/xlnx-zynqmp.h

index 7156b4884b4111134525bc38c3713cbd03ebd5f3..2a7fd3fbac8c47d39abdc5059e6f7e7349f64d11 100644 (file)
@@ -106,8 +106,7 @@ static int zynqmp_pm_ret_code(u32 ret_status)
        }
 }
 
-static noinline int do_fw_call_fail(u64 arg0, u64 arg1, u64 arg2,
-                                   u32 *ret_payload)
+static noinline int do_fw_call_fail(u32 *ret_payload, u32 num_args, ...)
 {
        return -ENODEV;
 }
@@ -116,25 +115,35 @@ static noinline int do_fw_call_fail(u64 arg0, u64 arg1, u64 arg2,
  * PM function call wrapper
  * Invoke do_fw_call_smc or do_fw_call_hvc, depending on the configuration
  */
-static int (*do_fw_call)(u64, u64, u64, u32 *ret_payload) = do_fw_call_fail;
+static int (*do_fw_call)(u32 *ret_payload, u32, ...) = do_fw_call_fail;
 
 /**
  * do_fw_call_smc() - Call system-level platform management layer (SMC)
- * @arg0:              Argument 0 to SMC call
- * @arg1:              Argument 1 to SMC call
- * @arg2:              Argument 2 to SMC call
+ * @num_args:          Number of variable arguments should be <= 8
  * @ret_payload:       Returned value array
  *
  * Invoke platform management function via SMC call (no hypervisor present).
  *
  * Return: Returns status, either success or error+reason
  */
-static noinline int do_fw_call_smc(u64 arg0, u64 arg1, u64 arg2,
-                                  u32 *ret_payload)
+static noinline int do_fw_call_smc(u32 *ret_payload, u32 num_args, ...)
 {
        struct arm_smccc_res res;
+       u64 args[8] = {0};
+       va_list arg_list;
+       u8 i;
 
-       arm_smccc_smc(arg0, arg1, arg2, 0, 0, 0, 0, 0, &res);
+       if (num_args > 8)
+               return -EINVAL;
+
+       va_start(arg_list, num_args);
+
+       for (i = 0; i < num_args; i++)
+               args[i] = va_arg(arg_list, u64);
+
+       va_end(arg_list);
+
+       arm_smccc_smc(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7], &res);
 
        if (ret_payload) {
                ret_payload[0] = lower_32_bits(res.a0);
@@ -148,9 +157,7 @@ static noinline int do_fw_call_smc(u64 arg0, u64 arg1, u64 arg2,
 
 /**
  * do_fw_call_hvc() - Call system-level platform management layer (HVC)
- * @arg0:              Argument 0 to HVC call
- * @arg1:              Argument 1 to HVC call
- * @arg2:              Argument 2 to HVC call
+ * @num_args:          Number of variable arguments should be <= 8
  * @ret_payload:       Returned value array
  *
  * Invoke platform management function via HVC
@@ -159,12 +166,24 @@ static noinline int do_fw_call_smc(u64 arg0, u64 arg1, u64 arg2,
  *
  * Return: Returns status, either success or error+reason
  */
-static noinline int do_fw_call_hvc(u64 arg0, u64 arg1, u64 arg2,
-                                  u32 *ret_payload)
+static noinline int do_fw_call_hvc(u32 *ret_payload, u32 num_args, ...)
 {
        struct arm_smccc_res res;
+       u64 args[8] = {0};
+       va_list arg_list;
+       u8 i;
+
+       if (num_args > 8)
+               return -EINVAL;
+
+       va_start(arg_list, num_args);
+
+       for (i = 0; i < num_args; i++)
+               args[i] = va_arg(arg_list, u64);
 
-       arm_smccc_hvc(arg0, arg1, arg2, 0, 0, 0, 0, 0, &res);
+       va_end(arg_list);
+
+       arm_smccc_hvc(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7], &res);
 
        if (ret_payload) {
                ret_payload[0] = lower_32_bits(res.a0);
@@ -184,7 +203,7 @@ static int __do_feature_check_call(const u32 api_id, u32 *ret_payload)
        smc_arg[0] = PM_SIP_SVC | PM_FEATURE_CHECK;
        smc_arg[1] = api_id;
 
-       ret = do_fw_call(smc_arg[0], smc_arg[1], 0, ret_payload);
+       ret = do_fw_call(ret_payload, 2, smc_arg[0], smc_arg[1]);
        if (ret)
                ret = -EOPNOTSUPP;
        else
@@ -295,11 +314,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_is_function_supported);
  * zynqmp_pm_invoke_fn() - Invoke the system-level platform management layer
  *                        caller function depending on the configuration
  * @pm_api_id:         Requested PM-API call
- * @arg0:              Argument 0 to requested PM-API call
- * @arg1:              Argument 1 to requested PM-API call
- * @arg2:              Argument 2 to requested PM-API call
- * @arg3:              Argument 3 to requested PM-API call
  * @ret_payload:       Returned value array
+ * @num_args:          Number of arguments to requested PM-API call
  *
  * Invoke platform management function for SMC or HVC call, depending on
  * configuration.
@@ -316,26 +332,38 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_is_function_supported);
  *
  * Return: Returns status, either success or error+reason
  */
-int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1,
-                       u32 arg2, u32 arg3, u32 *ret_payload)
+int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 *ret_payload, u32 num_args, ...)
 {
        /*
         * Added SIP service call Function Identifier
         * Make sure to stay in x0 register
         */
-       u64 smc_arg[4];
-       int ret;
+       u64 smc_arg[8];
+       int ret, i;
+       va_list arg_list;
+       u32 args[14] = {0};
+
+       if (num_args > 14)
+               return -EINVAL;
+
+       va_start(arg_list, num_args);
 
        /* Check if feature is supported or not */
        ret = zynqmp_pm_feature(pm_api_id);
        if (ret < 0)
                return ret;
 
+       for (i = 0; i < num_args; i++)
+               args[i] = va_arg(arg_list, u32);
+
+       va_end(arg_list);
+
        smc_arg[0] = PM_SIP_SVC | pm_api_id;
-       smc_arg[1] = ((u64)arg1 << 32) | arg0;
-       smc_arg[2] = ((u64)arg3 << 32) | arg2;
+       for (i = 0; i < 7; i++)
+               smc_arg[i + 1] = ((u64)args[(i * 2) + 1] << 32) | args[i * 2];
 
-       return do_fw_call(smc_arg[0], smc_arg[1], smc_arg[2], ret_payload);
+       return do_fw_call(ret_payload, 8, smc_arg[0], smc_arg[1], smc_arg[2], smc_arg[3],
+                         smc_arg[4], smc_arg[5], smc_arg[6], smc_arg[7]);
 }
 
 static u32 pm_api_version;
@@ -347,14 +375,12 @@ int zynqmp_pm_register_sgi(u32 sgi_num, u32 reset)
 {
        int ret;
 
-       ret = zynqmp_pm_invoke_fn(TF_A_PM_REGISTER_SGI, sgi_num, reset, 0, 0,
-                                 NULL);
+       ret = zynqmp_pm_invoke_fn(TF_A_PM_REGISTER_SGI, NULL, 2, sgi_num, reset);
        if (!ret)
                return ret;
 
        /* try old implementation as fallback strategy if above fails */
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_REGISTER_SGI, sgi_num,
-                                  reset, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, IOCTL_REGISTER_SGI, sgi_num, reset);
 }
 
 /**
@@ -376,7 +402,7 @@ int zynqmp_pm_get_api_version(u32 *version)
                *version = pm_api_version;
                return 0;
        }
-       ret = zynqmp_pm_invoke_fn(PM_GET_API_VERSION, 0, 0, 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_GET_API_VERSION, ret_payload, 0);
        *version = ret_payload[1];
 
        return ret;
@@ -399,7 +425,7 @@ int zynqmp_pm_get_chipid(u32 *idcode, u32 *version)
        if (!idcode || !version)
                return -EINVAL;
 
-       ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, ret_payload, 0);
        *idcode = ret_payload[1];
        *version = ret_payload[2];
 
@@ -427,7 +453,7 @@ static int zynqmp_pm_get_family_info(u32 *family, u32 *subfamily)
                return 0;
        }
 
-       ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, ret_payload, 0);
        if (ret < 0)
                return ret;
 
@@ -459,8 +485,7 @@ static int zynqmp_pm_get_trustzone_version(u32 *version)
                *version = pm_tz_version;
                return 0;
        }
-       ret = zynqmp_pm_invoke_fn(PM_GET_TRUSTZONE_VERSION, 0, 0,
-                                 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_GET_TRUSTZONE_VERSION, ret_payload, 0);
        *version = ret_payload[1];
 
        return ret;
@@ -507,8 +532,8 @@ int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata, u32 *out)
 {
        int ret;
 
-       ret = zynqmp_pm_invoke_fn(PM_QUERY_DATA, qdata.qid, qdata.arg1,
-                                 qdata.arg2, qdata.arg3, out);
+       ret = zynqmp_pm_invoke_fn(PM_QUERY_DATA, out, 4, qdata.qid, qdata.arg1, qdata.arg2,
+                                 qdata.arg3);
 
        /*
         * For clock name query, all bytes in SMC response are clock name
@@ -530,7 +555,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_query_data);
  */
 int zynqmp_pm_clock_enable(u32 clock_id)
 {
-       return zynqmp_pm_invoke_fn(PM_CLOCK_ENABLE, clock_id, 0, 0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_CLOCK_ENABLE, NULL, 1, clock_id);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_clock_enable);
 
@@ -545,7 +570,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_enable);
  */
 int zynqmp_pm_clock_disable(u32 clock_id)
 {
-       return zynqmp_pm_invoke_fn(PM_CLOCK_DISABLE, clock_id, 0, 0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_CLOCK_DISABLE, NULL, 1, clock_id);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_clock_disable);
 
@@ -564,8 +589,7 @@ int zynqmp_pm_clock_getstate(u32 clock_id, u32 *state)
        u32 ret_payload[PAYLOAD_ARG_CNT];
        int ret;
 
-       ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETSTATE, clock_id, 0,
-                                 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETSTATE, ret_payload, 1, clock_id);
        *state = ret_payload[1];
 
        return ret;
@@ -584,8 +608,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getstate);
  */
 int zynqmp_pm_clock_setdivider(u32 clock_id, u32 divider)
 {
-       return zynqmp_pm_invoke_fn(PM_CLOCK_SETDIVIDER, clock_id, divider,
-                                  0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_CLOCK_SETDIVIDER, NULL, 2, clock_id, divider);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_clock_setdivider);
 
@@ -604,8 +627,7 @@ int zynqmp_pm_clock_getdivider(u32 clock_id, u32 *divider)
        u32 ret_payload[PAYLOAD_ARG_CNT];
        int ret;
 
-       ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETDIVIDER, clock_id, 0,
-                                 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETDIVIDER, ret_payload, 1, clock_id);
        *divider = ret_payload[1];
 
        return ret;
@@ -623,10 +645,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getdivider);
  */
 int zynqmp_pm_clock_setrate(u32 clock_id, u64 rate)
 {
-       return zynqmp_pm_invoke_fn(PM_CLOCK_SETRATE, clock_id,
-                                  lower_32_bits(rate),
-                                  upper_32_bits(rate),
-                                  0, NULL);
+       return zynqmp_pm_invoke_fn(PM_CLOCK_SETRATE, NULL, 3, clock_id, lower_32_bits(rate),
+                                  upper_32_bits(rate));
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_clock_setrate);
 
@@ -645,8 +665,7 @@ int zynqmp_pm_clock_getrate(u32 clock_id, u64 *rate)
        u32 ret_payload[PAYLOAD_ARG_CNT];
        int ret;
 
-       ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETRATE, clock_id, 0,
-                                 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETRATE, ret_payload, 1, clock_id);
        *rate = ((u64)ret_payload[2] << 32) | ret_payload[1];
 
        return ret;
@@ -664,8 +683,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getrate);
  */
 int zynqmp_pm_clock_setparent(u32 clock_id, u32 parent_id)
 {
-       return zynqmp_pm_invoke_fn(PM_CLOCK_SETPARENT, clock_id,
-                                  parent_id, 0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_CLOCK_SETPARENT, NULL, 2, clock_id, parent_id);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_clock_setparent);
 
@@ -684,8 +702,7 @@ int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id)
        u32 ret_payload[PAYLOAD_ARG_CNT];
        int ret;
 
-       ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETPARENT, clock_id, 0,
-                                 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETPARENT, ret_payload, 1, clock_id);
        *parent_id = ret_payload[1];
 
        return ret;
@@ -704,8 +721,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getparent);
  */
 int zynqmp_pm_set_pll_frac_mode(u32 clk_id, u32 mode)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_PLL_FRAC_MODE,
-                                  clk_id, mode, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_SET_PLL_FRAC_MODE, clk_id, mode);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_pll_frac_mode);
 
@@ -721,8 +737,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_pll_frac_mode);
  */
 int zynqmp_pm_get_pll_frac_mode(u32 clk_id, u32 *mode)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_GET_PLL_FRAC_MODE,
-                                  clk_id, 0, mode);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, mode, 3, 0, IOCTL_GET_PLL_FRAC_MODE, clk_id);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_get_pll_frac_mode);
 
@@ -739,8 +754,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_get_pll_frac_mode);
  */
 int zynqmp_pm_set_pll_frac_data(u32 clk_id, u32 data)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_PLL_FRAC_DATA,
-                                  clk_id, data, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_SET_PLL_FRAC_DATA, clk_id, data);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_pll_frac_data);
 
@@ -756,8 +770,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_pll_frac_data);
  */
 int zynqmp_pm_get_pll_frac_data(u32 clk_id, u32 *data)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_GET_PLL_FRAC_DATA,
-                                  clk_id, 0, data);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, data, 3, 0, IOCTL_GET_PLL_FRAC_DATA, clk_id);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_get_pll_frac_data);
 
@@ -778,9 +791,8 @@ int zynqmp_pm_set_sd_tapdelay(u32 node_id, u32 type, u32 value)
        u32 mask = (node_id == NODE_SD_0) ? GENMASK(15, 0) : GENMASK(31, 16);
 
        if (value) {
-               return zynqmp_pm_invoke_fn(PM_IOCTL, node_id,
-                                          IOCTL_SET_SD_TAPDELAY,
-                                          type, value, NULL);
+               return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, node_id, IOCTL_SET_SD_TAPDELAY, type,
+                                          value);
        }
 
        /*
@@ -798,7 +810,7 @@ int zynqmp_pm_set_sd_tapdelay(u32 node_id, u32 type, u32 value)
         * Use PM_MMIO_READ/PM_MMIO_WRITE to re-implement the missing counter
         * part of IOCTL_SET_SD_TAPDELAY which clears SDx_ITAPDLYENA bits.
         */
-       return zynqmp_pm_invoke_fn(PM_MMIO_WRITE, reg, mask, 0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_MMIO_WRITE, NULL, 2, reg, mask);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_tapdelay);
 
@@ -814,8 +826,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_tapdelay);
  */
 int zynqmp_pm_sd_dll_reset(u32 node_id, u32 type)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, IOCTL_SD_DLL_RESET,
-                                  type, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, node_id, IOCTL_SD_DLL_RESET, type);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_sd_dll_reset);
 
@@ -831,8 +842,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_sd_dll_reset);
  */
 int zynqmp_pm_ospi_mux_select(u32 dev_id, u32 select)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, dev_id, IOCTL_OSPI_MUX_SELECT,
-                                  select, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, dev_id, IOCTL_OSPI_MUX_SELECT, select);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_ospi_mux_select);
 
@@ -847,8 +857,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_ospi_mux_select);
  */
 int zynqmp_pm_write_ggs(u32 index, u32 value)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_WRITE_GGS,
-                                  index, value, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_WRITE_GGS, index, value);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_write_ggs);
 
@@ -863,8 +872,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_write_ggs);
  */
 int zynqmp_pm_read_ggs(u32 index, u32 *value)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_READ_GGS,
-                                  index, 0, value);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, value, 3, 0, IOCTL_READ_GGS, index);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_read_ggs);
 
@@ -880,8 +888,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_read_ggs);
  */
 int zynqmp_pm_write_pggs(u32 index, u32 value)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_WRITE_PGGS, index, value,
-                                  NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_WRITE_PGGS, index, value);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_write_pggs);
 
@@ -897,15 +904,13 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_write_pggs);
  */
 int zynqmp_pm_read_pggs(u32 index, u32 *value)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_READ_PGGS, index, 0,
-                                  value);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, value, 3, 0, IOCTL_READ_PGGS, index);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_read_pggs);
 
 int zynqmp_pm_set_tapdelay_bypass(u32 index, u32 value)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_TAPDELAY_BYPASS,
-                                  index, value, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_SET_TAPDELAY_BYPASS, index, value);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_tapdelay_bypass);
 
@@ -920,8 +925,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_tapdelay_bypass);
  */
 int zynqmp_pm_set_boot_health_status(u32 value)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_BOOT_HEALTH_STATUS,
-                                  value, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, 0, IOCTL_SET_BOOT_HEALTH_STATUS, value);
 }
 
 /**
@@ -935,8 +939,7 @@ int zynqmp_pm_set_boot_health_status(u32 value)
 int zynqmp_pm_reset_assert(const enum zynqmp_pm_reset reset,
                           const enum zynqmp_pm_reset_action assert_flag)
 {
-       return zynqmp_pm_invoke_fn(PM_RESET_ASSERT, reset, assert_flag,
-                                  0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_RESET_ASSERT, NULL, 2, reset, assert_flag);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_reset_assert);
 
@@ -955,8 +958,7 @@ int zynqmp_pm_reset_get_status(const enum zynqmp_pm_reset reset, u32 *status)
        if (!status)
                return -EINVAL;
 
-       ret = zynqmp_pm_invoke_fn(PM_RESET_GET_STATUS, reset, 0,
-                                 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_RESET_GET_STATUS, ret_payload, 1, reset);
        *status = ret_payload[1];
 
        return ret;
@@ -981,9 +983,8 @@ int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags)
        u32 ret_payload[PAYLOAD_ARG_CNT];
        int ret;
 
-       ret = zynqmp_pm_invoke_fn(PM_FPGA_LOAD, lower_32_bits(address),
-                                 upper_32_bits(address), size, flags,
-                                 ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_FPGA_LOAD, ret_payload, 4, lower_32_bits(address),
+                                 upper_32_bits(address), size, flags);
        if (ret_payload[0])
                return -ret_payload[0];
 
@@ -1008,7 +1009,7 @@ int zynqmp_pm_fpga_get_status(u32 *value)
        if (!value)
                return -EINVAL;
 
-       ret = zynqmp_pm_invoke_fn(PM_FPGA_GET_STATUS, 0, 0, 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_FPGA_GET_STATUS, ret_payload, 0);
        *value = ret_payload[1];
 
        return ret;
@@ -1036,11 +1037,9 @@ int zynqmp_pm_fpga_get_config_status(u32 *value)
        lower_addr = lower_32_bits((u64)&buf);
        upper_addr = upper_32_bits((u64)&buf);
 
-       ret = zynqmp_pm_invoke_fn(PM_FPGA_READ,
-                                 XILINX_ZYNQMP_PM_FPGA_CONFIG_STAT_OFFSET,
-                                 lower_addr, upper_addr,
-                                 XILINX_ZYNQMP_PM_FPGA_READ_CONFIG_REG,
-                                 ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_FPGA_READ, ret_payload, 4,
+                                 XILINX_ZYNQMP_PM_FPGA_CONFIG_STAT_OFFSET, lower_addr, upper_addr,
+                                 XILINX_ZYNQMP_PM_FPGA_READ_CONFIG_REG);
 
        *value = ret_payload[1];
 
@@ -1058,7 +1057,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_fpga_get_config_status);
  */
 int zynqmp_pm_pinctrl_request(const u32 pin)
 {
-       return zynqmp_pm_invoke_fn(PM_PINCTRL_REQUEST, pin, 0, 0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_PINCTRL_REQUEST, NULL, 1, pin);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_request);
 
@@ -1072,7 +1071,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_request);
  */
 int zynqmp_pm_pinctrl_release(const u32 pin)
 {
-       return zynqmp_pm_invoke_fn(PM_PINCTRL_RELEASE, pin, 0, 0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_PINCTRL_RELEASE, NULL, 1, pin);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_release);
 
@@ -1093,8 +1092,7 @@ int zynqmp_pm_pinctrl_get_function(const u32 pin, u32 *id)
        if (!id)
                return -EINVAL;
 
-       ret = zynqmp_pm_invoke_fn(PM_PINCTRL_GET_FUNCTION, pin, 0,
-                                 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_PINCTRL_GET_FUNCTION, ret_payload, 1, pin);
        *id = ret_payload[1];
 
        return ret;
@@ -1112,8 +1110,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_get_function);
  */
 int zynqmp_pm_pinctrl_set_function(const u32 pin, const u32 id)
 {
-       return zynqmp_pm_invoke_fn(PM_PINCTRL_SET_FUNCTION, pin, id,
-                                  0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_PINCTRL_SET_FUNCTION, NULL, 2, pin, id);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_set_function);
 
@@ -1136,8 +1133,7 @@ int zynqmp_pm_pinctrl_get_config(const u32 pin, const u32 param,
        if (!value)
                return -EINVAL;
 
-       ret = zynqmp_pm_invoke_fn(PM_PINCTRL_CONFIG_PARAM_GET, pin, param,
-                                 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_PINCTRL_CONFIG_PARAM_GET, ret_payload, 2, pin, param);
        *value = ret_payload[1];
 
        return ret;
@@ -1166,8 +1162,7 @@ int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param,
                        return -EOPNOTSUPP;
        }
 
-       return zynqmp_pm_invoke_fn(PM_PINCTRL_CONFIG_PARAM_SET, pin,
-                                  param, value, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_PINCTRL_CONFIG_PARAM_SET, NULL, 3, pin, param, value);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_set_config);
 
@@ -1185,8 +1180,7 @@ unsigned int zynqmp_pm_bootmode_read(u32 *ps_mode)
        unsigned int ret;
        u32 ret_payload[PAYLOAD_ARG_CNT];
 
-       ret = zynqmp_pm_invoke_fn(PM_MMIO_READ, CRL_APB_BOOT_PIN_CTRL, 0,
-                                 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_MMIO_READ, ret_payload, 1, CRL_APB_BOOT_PIN_CTRL);
 
        *ps_mode = ret_payload[1];
 
@@ -1205,8 +1199,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_bootmode_read);
  */
 int zynqmp_pm_bootmode_write(u32 ps_mode)
 {
-       return zynqmp_pm_invoke_fn(PM_MMIO_WRITE, CRL_APB_BOOT_PIN_CTRL,
-                                  CRL_APB_BOOTPIN_CTRL_MASK, ps_mode, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_MMIO_WRITE, NULL, 3, CRL_APB_BOOT_PIN_CTRL,
+                                  CRL_APB_BOOTPIN_CTRL_MASK, ps_mode);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_bootmode_write);
 
@@ -1221,7 +1215,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_bootmode_write);
  */
 int zynqmp_pm_init_finalize(void)
 {
-       return zynqmp_pm_invoke_fn(PM_PM_INIT_FINALIZE, 0, 0, 0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_PM_INIT_FINALIZE, NULL, 0);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_init_finalize);
 
@@ -1235,7 +1229,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_init_finalize);
  */
 int zynqmp_pm_set_suspend_mode(u32 mode)
 {
-       return zynqmp_pm_invoke_fn(PM_SET_SUSPEND_MODE, mode, 0, 0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_SET_SUSPEND_MODE, NULL, 1, mode);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_suspend_mode);
 
@@ -1254,8 +1248,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_suspend_mode);
 int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
                           const u32 qos, const enum zynqmp_pm_request_ack ack)
 {
-       return zynqmp_pm_invoke_fn(PM_REQUEST_NODE, node, capabilities,
-                                  qos, ack, NULL);
+       return zynqmp_pm_invoke_fn(PM_REQUEST_NODE, NULL, 4, node, capabilities, qos, ack);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_request_node);
 
@@ -1271,7 +1264,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_request_node);
  */
 int zynqmp_pm_release_node(const u32 node)
 {
-       return zynqmp_pm_invoke_fn(PM_RELEASE_NODE, node, 0, 0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_RELEASE_NODE, NULL, 1, node);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_release_node);
 
@@ -1290,8 +1283,7 @@ int zynqmp_pm_get_rpu_mode(u32 node_id, enum rpu_oper_mode *rpu_mode)
        u32 ret_payload[PAYLOAD_ARG_CNT];
        int ret;
 
-       ret = zynqmp_pm_invoke_fn(PM_IOCTL, node_id,
-                                 IOCTL_GET_RPU_OPER_MODE, 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_IOCTL, ret_payload, 2, node_id, IOCTL_GET_RPU_OPER_MODE);
 
        /* only set rpu_mode if no error */
        if (ret == XST_PM_SUCCESS)
@@ -1313,9 +1305,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_get_rpu_mode);
  */
 int zynqmp_pm_set_rpu_mode(u32 node_id, enum rpu_oper_mode rpu_mode)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, node_id,
-                                  IOCTL_SET_RPU_OPER_MODE, (u32)rpu_mode,
-                                  0, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, node_id, IOCTL_SET_RPU_OPER_MODE,
+                                  (u32)rpu_mode);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_rpu_mode);
 
@@ -1331,9 +1322,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_rpu_mode);
  */
 int zynqmp_pm_set_tcm_config(u32 node_id, enum rpu_tcm_comb tcm_mode)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, node_id,
-                                  IOCTL_TCM_COMB_CONFIG, (u32)tcm_mode, 0,
-                                  NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, node_id, IOCTL_TCM_COMB_CONFIG,
+                                  (u32)tcm_mode);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_tcm_config);
 
@@ -1348,7 +1338,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_tcm_config);
 int zynqmp_pm_force_pwrdwn(const u32 node,
                           const enum zynqmp_pm_request_ack ack)
 {
-       return zynqmp_pm_invoke_fn(PM_FORCE_POWERDOWN, node, ack, 0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_FORCE_POWERDOWN, NULL, 2, node, ack);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_force_pwrdwn);
 
@@ -1367,8 +1357,8 @@ int zynqmp_pm_request_wake(const u32 node,
                           const enum zynqmp_pm_request_ack ack)
 {
        /* set_addr flag is encoded into 1st bit of address */
-       return zynqmp_pm_invoke_fn(PM_REQUEST_WAKEUP, node, address | set_addr,
-                                  address >> 32, ack, NULL);
+       return zynqmp_pm_invoke_fn(PM_REQUEST_WAKEUP, NULL, 4, node, address | set_addr,
+                                  address >> 32, ack);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_request_wake);
 
@@ -1388,8 +1378,7 @@ int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
                              const u32 qos,
                              const enum zynqmp_pm_request_ack ack)
 {
-       return zynqmp_pm_invoke_fn(PM_SET_REQUIREMENT, node, capabilities,
-                                  qos, ack, NULL);
+       return zynqmp_pm_invoke_fn(PM_SET_REQUIREMENT, NULL, 4, node, capabilities, qos, ack);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_requirement);
 
@@ -1404,9 +1393,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_requirement);
  */
 int zynqmp_pm_load_pdi(const u32 src, const u64 address)
 {
-       return zynqmp_pm_invoke_fn(PM_LOAD_PDI, src,
-                                  lower_32_bits(address),
-                                  upper_32_bits(address), 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_LOAD_PDI, NULL, 3, src, lower_32_bits(address),
+                                  upper_32_bits(address));
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_load_pdi);
 
@@ -1426,9 +1414,8 @@ int zynqmp_pm_aes_engine(const u64 address, u32 *out)
        if (!out)
                return -EINVAL;
 
-       ret = zynqmp_pm_invoke_fn(PM_SECURE_AES, upper_32_bits(address),
-                                 lower_32_bits(address),
-                                 0, 0, ret_payload);
+       ret = zynqmp_pm_invoke_fn(PM_SECURE_AES, ret_payload, 2, upper_32_bits(address),
+                                 lower_32_bits(address));
        *out = ret_payload[1];
 
        return ret;
@@ -1456,8 +1443,7 @@ int zynqmp_pm_sha_hash(const u64 address, const u32 size, const u32 flags)
        u32 lower_addr = lower_32_bits(address);
        u32 upper_addr = upper_32_bits(address);
 
-       return zynqmp_pm_invoke_fn(PM_SECURE_SHA, upper_addr, lower_addr,
-                                  size, flags, NULL);
+       return zynqmp_pm_invoke_fn(PM_SECURE_SHA, NULL, 4, upper_addr, lower_addr, size, flags);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_sha_hash);
 
@@ -1479,8 +1465,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_sha_hash);
 int zynqmp_pm_register_notifier(const u32 node, const u32 event,
                                const u32 wake, const u32 enable)
 {
-       return zynqmp_pm_invoke_fn(PM_REGISTER_NOTIFIER, node, event,
-                                  wake, enable, NULL);
+       return zynqmp_pm_invoke_fn(PM_REGISTER_NOTIFIER, NULL, 4, node, event, wake, enable);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_register_notifier);
 
@@ -1493,8 +1478,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_register_notifier);
  */
 int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype)
 {
-       return zynqmp_pm_invoke_fn(PM_SYSTEM_SHUTDOWN, type, subtype,
-                                  0, 0, NULL);
+       return zynqmp_pm_invoke_fn(PM_SYSTEM_SHUTDOWN, NULL, 2, type, subtype);
 }
 
 /**
@@ -1506,8 +1490,7 @@ int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype)
  */
 int zynqmp_pm_set_feature_config(enum pm_feature_config_id id, u32 value)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_FEATURE_CONFIG,
-                                  id, value, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_SET_FEATURE_CONFIG, id, value);
 }
 
 /**
@@ -1520,8 +1503,7 @@ int zynqmp_pm_set_feature_config(enum pm_feature_config_id id, u32 value)
 int zynqmp_pm_get_feature_config(enum pm_feature_config_id id,
                                 u32 *payload)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_GET_FEATURE_CONFIG,
-                                  id, 0, payload);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, payload, 3, 0, IOCTL_GET_FEATURE_CONFIG, id);
 }
 
 /**
@@ -1534,8 +1516,7 @@ int zynqmp_pm_get_feature_config(enum pm_feature_config_id id,
  */
 int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, node, IOCTL_SET_SD_CONFIG,
-                                  config, value, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, node, IOCTL_SET_SD_CONFIG, config, value);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_config);
 
@@ -1550,8 +1531,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_config);
 int zynqmp_pm_set_gem_config(u32 node, enum pm_gem_config_type config,
                             u32 value)
 {
-       return zynqmp_pm_invoke_fn(PM_IOCTL, node, IOCTL_SET_GEM_CONFIG,
-                                  config, value, NULL);
+       return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, node, IOCTL_SET_GEM_CONFIG, config, value);
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_gem_config);
 
index 86a048a10a13f21d554f407d1e57324a329c3f92..adb875f8982996eb70fbdc002aa0a0151a4c4a56 100644 (file)
@@ -483,7 +483,7 @@ static void xlnx_call_notify_cb_handler(const u32 *payload)
 
 static void xlnx_get_event_callback_data(u32 *buf)
 {
-       zynqmp_pm_invoke_fn(GET_CALLBACK_DATA, 0, 0, 0, 0, buf);
+       zynqmp_pm_invoke_fn(GET_CALLBACK_DATA, buf, 0);
 }
 
 static irqreturn_t xlnx_event_handler(int irq, void *dev_id)
index c2c819701eec1129d0e231dc6600ec1b1e930a82..0de0acf80ef8967ef2baf1d59f47d296ce67bdcc 100644 (file)
@@ -51,7 +51,7 @@ static enum pm_suspend_mode suspend_mode = PM_SUSPEND_MODE_STD;
 
 static void zynqmp_pm_get_callback_data(u32 *buf)
 {
-       zynqmp_pm_invoke_fn(GET_CALLBACK_DATA, 0, 0, 0, 0, buf);
+       zynqmp_pm_invoke_fn(GET_CALLBACK_DATA, buf, 0);
 }
 
 static void suspend_event_callback(const u32 *payload, void *data)
index d1ea3898564ca9fa9b9c06d83da16c88f7b4a478..41190bbed8edfd51860892627543878610b93ded 100644 (file)
@@ -509,8 +509,7 @@ struct zynqmp_pm_query_data {
        u32 arg3;
 };
 
-int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1,
-                       u32 arg2, u32 arg3, u32 *ret_payload);
+int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 *ret_payload, u32 num_args, ...);
 
 #if IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE)
 int zynqmp_pm_get_api_version(u32 *version);