From e0a896b88f2e517b10c67a4f85f3846a0312041d Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 22 Sep 2020 12:44:56 -0600 Subject: acpi: Add support for writing a _PRW A 'Power Resource for Wake' list the resources a device depends on for wake. Add a function to generate this. Signed-off-by: Simon Glass --- lib/acpi/acpigen.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'lib') diff --git a/lib/acpi/acpigen.c b/lib/acpi/acpigen.c index c609ef4daa4..527de89b1e1 100644 --- a/lib/acpi/acpigen.c +++ b/lib/acpi/acpigen.c @@ -426,6 +426,16 @@ void acpigen_write_register_resource(struct acpi_ctx *ctx, acpigen_write_resourcetemplate_footer(ctx); } +void acpigen_write_prw(struct acpi_ctx *ctx, uint wake, uint level) +{ + /* Name (_PRW, Package () { wake, level } */ + acpigen_write_name(ctx, "_PRW"); + acpigen_write_package(ctx, 2); + acpigen_write_integer(ctx, wake); + acpigen_write_integer(ctx, level); + acpigen_pop_len(ctx); +} + /* * ToUUID(uuid) * -- cgit v1.2.3 From da7cff338f08cf43706a96bcd8cf398b7fb6ae2d Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 22 Sep 2020 12:44:57 -0600 Subject: acpi: Add support for conditions and return values Add functions to support generating ACPI code for condition checks and return values. Signed-off-by: Simon Glass --- lib/acpi/acpigen.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) (limited to 'lib') diff --git a/lib/acpi/acpigen.c b/lib/acpi/acpigen.c index 527de89b1e1..2518bf83dda 100644 --- a/lib/acpi/acpigen.c +++ b/lib/acpi/acpigen.c @@ -541,6 +541,74 @@ void acpigen_write_debug_string(struct acpi_ctx *ctx, const char *str) acpigen_emit_ext_op(ctx, DEBUG_OP); } +void acpigen_write_if(struct acpi_ctx *ctx) +{ + acpigen_emit_byte(ctx, IF_OP); + acpigen_write_len_f(ctx); +} + +void acpigen_write_if_lequal_op_int(struct acpi_ctx *ctx, uint op, u64 val) +{ + acpigen_write_if(ctx); + acpigen_emit_byte(ctx, LEQUAL_OP); + acpigen_emit_byte(ctx, op); + acpigen_write_integer(ctx, val); +} + +void acpigen_write_else(struct acpi_ctx *ctx) +{ + acpigen_emit_byte(ctx, ELSE_OP); + acpigen_write_len_f(ctx); +} + +void acpigen_write_to_buffer(struct acpi_ctx *ctx, uint src, uint dst) +{ + acpigen_emit_byte(ctx, TO_BUFFER_OP); + acpigen_emit_byte(ctx, src); + acpigen_emit_byte(ctx, dst); +} + +void acpigen_write_to_integer(struct acpi_ctx *ctx, uint src, uint dst) +{ + acpigen_emit_byte(ctx, TO_INTEGER_OP); + acpigen_emit_byte(ctx, src); + acpigen_emit_byte(ctx, dst); +} + +void acpigen_write_byte_buffer(struct acpi_ctx *ctx, u8 *arr, size_t size) +{ + size_t i; + + acpigen_emit_byte(ctx, BUFFER_OP); + acpigen_write_len_f(ctx); + acpigen_write_integer(ctx, size); + + for (i = 0; i < size; i++) + acpigen_emit_byte(ctx, arr[i]); + + acpigen_pop_len(ctx); +} + +void acpigen_write_return_byte_buffer(struct acpi_ctx *ctx, u8 *arr, + size_t size) +{ + acpigen_emit_byte(ctx, RETURN_OP); + acpigen_write_byte_buffer(ctx, arr, size); +} + +void acpigen_write_return_singleton_buffer(struct acpi_ctx *ctx, uint arg) +{ + u8 buf = arg; + + acpigen_write_return_byte_buffer(ctx, &buf, 1); +} + +void acpigen_write_return_byte(struct acpi_ctx *ctx, uint arg) +{ + acpigen_emit_byte(ctx, RETURN_OP); + acpigen_write_byte(ctx, arg); +} + /** * acpigen_get_dw0_in_local5() - Generate code to put dw0 cfg0 in local5 * -- cgit v1.2.3 From 88490e197903f6961cf2ee79d0ff8f0727155f27 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 22 Sep 2020 12:44:58 -0600 Subject: acpi: Support generating a multi-function _DSM for devices Add a function to generate ACPI code for a _DSM method for a device. This includes functions for starting and ending each part of the _DSM. Signed-off-by: Simon Glass [bmeng: fix the "new blank line at EOF" git warning] Signed-off-by: Bin Meng --- lib/acpi/acpi_device.c | 43 ++++++++++++++++++++++++++++++++++++++++ lib/acpi/acpigen.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 97 insertions(+) (limited to 'lib') diff --git a/lib/acpi/acpi_device.c b/lib/acpi/acpi_device.c index 3c75b6d9629..8248664a10a 100644 --- a/lib/acpi/acpi_device.c +++ b/lib/acpi/acpi_device.c @@ -487,6 +487,49 @@ int acpi_device_add_power_res(struct acpi_ctx *ctx, u32 tx_state_val, return 0; } +int acpi_device_write_dsm_i2c_hid(struct acpi_ctx *ctx, + int hid_desc_reg_offset) +{ + int ret; + + acpigen_write_dsm_start(ctx); + ret = acpigen_write_dsm_uuid_start(ctx, ACPI_DSM_I2C_HID_UUID); + if (ret) + return log_ret(ret); + + acpigen_write_dsm_uuid_start_cond(ctx, 0); + /* ToInteger (Arg1, Local2) */ + acpigen_write_to_integer(ctx, ARG1_OP, LOCAL2_OP); + /* If (LEqual (Local2, 0x0)) */ + acpigen_write_if_lequal_op_int(ctx, LOCAL2_OP, 0x0); + /* Return (Buffer (One) { 0x1f }) */ + acpigen_write_return_singleton_buffer(ctx, 0x1f); + acpigen_pop_len(ctx); /* Pop : If */ + /* Else */ + acpigen_write_else(ctx); + /* If (LEqual (Local2, 0x1)) */ + acpigen_write_if_lequal_op_int(ctx, LOCAL2_OP, 0x1); + /* Return (Buffer (One) { 0x3f }) */ + acpigen_write_return_singleton_buffer(ctx, 0x3f); + acpigen_pop_len(ctx); /* Pop : If */ + /* Else */ + acpigen_write_else(ctx); + /* Return (Buffer (One) { 0x0 }) */ + acpigen_write_return_singleton_buffer(ctx, 0x0); + acpigen_pop_len(ctx); /* Pop : Else */ + acpigen_pop_len(ctx); /* Pop : Else */ + acpigen_write_dsm_uuid_end_cond(ctx); + + acpigen_write_dsm_uuid_start_cond(ctx, 1); + acpigen_write_return_byte(ctx, hid_desc_reg_offset); + acpigen_write_dsm_uuid_end_cond(ctx); + + acpigen_write_dsm_uuid_end(ctx); + acpigen_write_dsm_end(ctx); + + return 0; +} + /* ACPI 6.3 section 6.4.3.8.2.1 - I2cSerialBus() */ static void acpi_device_write_i2c(struct acpi_ctx *ctx, const struct acpi_i2c *i2c) diff --git a/lib/acpi/acpigen.c b/lib/acpi/acpigen.c index 2518bf83dda..d859f378413 100644 --- a/lib/acpi/acpigen.c +++ b/lib/acpi/acpigen.c @@ -609,6 +609,60 @@ void acpigen_write_return_byte(struct acpi_ctx *ctx, uint arg) acpigen_write_byte(ctx, arg); } +void acpigen_write_dsm_start(struct acpi_ctx *ctx) +{ + /* Method (_DSM, 4, Serialized) */ + acpigen_write_method_serialized(ctx, "_DSM", 4); + + /* ToBuffer (Arg0, Local0) */ + acpigen_write_to_buffer(ctx, ARG0_OP, LOCAL0_OP); +} + +int acpigen_write_dsm_uuid_start(struct acpi_ctx *ctx, const char *uuid) +{ + int ret; + + /* If (LEqual (Local0, ToUUID(uuid))) */ + acpigen_write_if(ctx); + acpigen_emit_byte(ctx, LEQUAL_OP); + acpigen_emit_byte(ctx, LOCAL0_OP); + ret = acpigen_write_uuid(ctx, uuid); + if (ret) + return log_msg_ret("uuid", ret); + + /* ToInteger (Arg2, Local1) */ + acpigen_write_to_integer(ctx, ARG2_OP, LOCAL1_OP); + + return 0; +} + +void acpigen_write_dsm_uuid_start_cond(struct acpi_ctx *ctx, int seq) +{ + /* If (LEqual (Local1, i)) */ + acpigen_write_if_lequal_op_int(ctx, LOCAL1_OP, seq); +} + +void acpigen_write_dsm_uuid_end_cond(struct acpi_ctx *ctx) +{ + acpigen_pop_len(ctx); /* If */ +} + +void acpigen_write_dsm_uuid_end(struct acpi_ctx *ctx) +{ + /* Default case: Return (Buffer (One) { 0x0 }) */ + acpigen_write_return_singleton_buffer(ctx, 0x0); + + acpigen_pop_len(ctx); /* If (LEqual (Local0, ToUUID(uuid))) */ +} + +void acpigen_write_dsm_end(struct acpi_ctx *ctx) +{ + /* Return (Buffer (One) { 0x0 }) */ + acpigen_write_return_singleton_buffer(ctx, 0x0); + + acpigen_pop_len(ctx); /* Method _DSM */ +} + /** * acpigen_get_dw0_in_local5() - Generate code to put dw0 cfg0 in local5 * -- cgit v1.2.3 From 23dd0ea4c7edbde5bc05a1567ba0bf41734ea524 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 22 Sep 2020 12:44:59 -0600 Subject: dm: acpi: Use correct GPIO polarity type in acpi_dp_add_gpio() This function currently accepts the IRQ-polarity type. Fix it to use the GPIO type instead. Signed-off-by: Simon Glass --- lib/acpi/acpi_dp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'lib') diff --git a/lib/acpi/acpi_dp.c b/lib/acpi/acpi_dp.c index 579cab47715..7e3e3259d8d 100644 --- a/lib/acpi/acpi_dp.c +++ b/lib/acpi/acpi_dp.c @@ -324,7 +324,7 @@ struct acpi_dp *acpi_dp_add_integer_array(struct acpi_dp *dp, const char *name, struct acpi_dp *acpi_dp_add_gpio(struct acpi_dp *dp, const char *name, const char *ref, int index, int pin, - enum acpi_irq_polarity polarity) + enum acpi_gpio_polarity polarity) { struct acpi_dp *gpio; @@ -336,7 +336,7 @@ struct acpi_dp *acpi_dp_add_gpio(struct acpi_dp *dp, const char *name, if (!acpi_dp_add_reference(gpio, NULL, ref) || !acpi_dp_add_integer(gpio, NULL, index) || !acpi_dp_add_integer(gpio, NULL, pin) || - !acpi_dp_add_integer(gpio, NULL, polarity == ACPI_IRQ_ACTIVE_LOW)) + !acpi_dp_add_integer(gpio, NULL, polarity == ACPI_GPIO_ACTIVE_LOW)) return NULL; if (!acpi_dp_add_array(dp, gpio)) -- cgit v1.2.3 From f37979e7b75e1290e9756c3e964a85ef8b10c3c7 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 22 Sep 2020 12:45:10 -0600 Subject: x86: acpi: Support generation of the DBG2 table Add an implementation of the DBG2 (Debug Port Table 2) ACPI table. Adjust one of the header includes to be in the correct order, before adding more. Note that the DBG2 table is generic but the PCI UART is x86-specific at present since it assumes an ns16550 UART. It can be generalised later if necessary. Signed-off-by: Simon Glass --- lib/acpi/acpi_table.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) (limited to 'lib') diff --git a/lib/acpi/acpi_table.c b/lib/acpi/acpi_table.c index acc55e7fad6..908d8903893 100644 --- a/lib/acpi/acpi_table.c +++ b/lib/acpi/acpi_table.c @@ -264,3 +264,67 @@ void acpi_setup_base_tables(struct acpi_ctx *ctx, void *start) */ acpi_align64(ctx); } + +void acpi_create_dbg2(struct acpi_dbg2_header *dbg2, + int port_type, int port_subtype, + struct acpi_gen_regaddr *address, u32 address_size, + const char *device_path) +{ + uintptr_t current; + struct acpi_dbg2_device *device; + u32 *dbg2_addr_size; + struct acpi_table_header *header; + size_t path_len; + const char *path; + char *namespace; + + /* Fill out header fields. */ + current = (uintptr_t)dbg2; + memset(dbg2, '\0', sizeof(struct acpi_dbg2_header)); + header = &dbg2->header; + + header->revision = acpi_get_table_revision(ACPITAB_DBG2); + acpi_fill_header(header, "DBG2"); + header->aslc_revision = ASL_REVISION; + + /* One debug device defined */ + dbg2->devices_offset = sizeof(struct acpi_dbg2_header); + dbg2->devices_count = 1; + current += sizeof(struct acpi_dbg2_header); + + /* Device comes after the header */ + device = (struct acpi_dbg2_device *)current; + memset(device, 0, sizeof(struct acpi_dbg2_device)); + current += sizeof(struct acpi_dbg2_device); + + device->revision = 0; + device->address_count = 1; + device->port_type = port_type; + device->port_subtype = port_subtype; + + /* Base Address comes after device structure */ + memcpy((void *)current, address, sizeof(struct acpi_gen_regaddr)); + device->base_address_offset = current - (uintptr_t)device; + current += sizeof(struct acpi_gen_regaddr); + + /* Address Size comes after address structure */ + dbg2_addr_size = (uint32_t *)current; + device->address_size_offset = current - (uintptr_t)device; + *dbg2_addr_size = address_size; + current += sizeof(uint32_t); + + /* Namespace string comes last, use '.' if not provided */ + path = device_path ? : "."; + /* Namespace string length includes NULL terminator */ + path_len = strlen(path) + 1; + namespace = (char *)current; + device->namespace_string_length = path_len; + device->namespace_string_offset = current - (uintptr_t)device; + strncpy(namespace, path, path_len); + current += path_len; + + /* Update structure lengths and checksum */ + device->length = current - (uintptr_t)device; + header->length = current - (uintptr_t)dbg2; + header->checksum = table_compute_checksum(dbg2, header->length); +} -- cgit v1.2.3 From 15403289e5ddb0d777f95f5836add1316e2d9ae2 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 22 Sep 2020 12:45:11 -0600 Subject: acpi: Add support for generating processor tables ACPI has a number of CPU-related tables. Add utility functions to write out the basic packages. Signed-off-by: Simon Glass --- lib/acpi/acpigen.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) (limited to 'lib') diff --git a/lib/acpi/acpigen.c b/lib/acpi/acpigen.c index d859f378413..b9985075cde 100644 --- a/lib/acpi/acpigen.c +++ b/lib/acpi/acpigen.c @@ -17,6 +17,9 @@ #include #include +/* CPU path format */ +#define ACPI_CPU_STRING "\\_PR.CP%02d" + u8 *acpigen_get_current(struct acpi_ctx *ctx) { return ctx->current; @@ -340,6 +343,58 @@ void acpigen_write_method_serialized(struct acpi_ctx *ctx, const char *name, ACPI_METHOD_SERIALIZED_MASK); } +void acpigen_write_processor(struct acpi_ctx *ctx, uint cpuindex, + u32 pblock_addr, uint pblock_len) +{ + /* + * Processor (\_PR.CPnn, cpuindex, pblock_addr, pblock_len) + * { + */ + char pscope[16]; + + acpigen_emit_ext_op(ctx, PROCESSOR_OP); + acpigen_write_len_f(ctx); + + snprintf(pscope, sizeof(pscope), ACPI_CPU_STRING, cpuindex); + acpigen_emit_namestring(ctx, pscope); + acpigen_emit_byte(ctx, cpuindex); + acpigen_emit_dword(ctx, pblock_addr); + acpigen_emit_byte(ctx, pblock_len); +} + +void acpigen_write_processor_package(struct acpi_ctx *ctx, + const char *const name, + const uint first_core, + const uint core_count) +{ + uint i; + char pscope[16]; + + acpigen_write_name(ctx, name); + acpigen_write_package(ctx, core_count); + for (i = first_core; i < first_core + core_count; ++i) { + snprintf(pscope, sizeof(pscope), ACPI_CPU_STRING, i); + acpigen_emit_namestring(ctx, pscope); + } + acpigen_pop_len(ctx); +} + +void acpigen_write_processor_cnot(struct acpi_ctx *ctx, const uint num_cores) +{ + int core_id; + + acpigen_write_method(ctx, "\\_PR.CNOT", 1); + for (core_id = 0; core_id < num_cores; core_id++) { + char buffer[30]; + + snprintf(buffer, sizeof(buffer), ACPI_CPU_STRING, core_id); + acpigen_emit_byte(ctx, NOTIFY_OP); + acpigen_emit_namestring(ctx, buffer); + acpigen_emit_byte(ctx, ARG0_OP); + } + acpigen_pop_len(ctx); +} + void acpigen_write_device(struct acpi_ctx *ctx, const char *name) { acpigen_emit_ext_op(ctx, DEVICE_OP); -- cgit v1.2.3 From 350c7f52b93c5612dd3d53966bd54cb68b94d80b Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 22 Sep 2020 12:45:13 -0600 Subject: acpi: Add more support for generating processor tables This adds tables relating to P-States and C-States. Signed-off-by: Simon Glass --- lib/acpi/acpigen.c | 167 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 167 insertions(+) (limited to 'lib') diff --git a/lib/acpi/acpigen.c b/lib/acpi/acpigen.c index b9985075cde..e395226e3de 100644 --- a/lib/acpi/acpigen.c +++ b/lib/acpi/acpigen.c @@ -481,6 +481,53 @@ void acpigen_write_register_resource(struct acpi_ctx *ctx, acpigen_write_resourcetemplate_footer(ctx); } +void acpigen_write_ppc(struct acpi_ctx *ctx, uint num_pstates) +{ + /* + * Method (_PPC, 0, NotSerialized) + * { + * Return (num_pstates) + * } + */ + acpigen_write_method(ctx, "_PPC", 0); + acpigen_emit_byte(ctx, RETURN_OP); + acpigen_write_byte(ctx, num_pstates); + acpigen_pop_len(ctx); +} + +/* + * Generates a func with max supported P-states saved + * in the variable PPCM. + */ +void acpigen_write_ppc_nvs(struct acpi_ctx *ctx) +{ + /* + * Method (_PPC, 0, NotSerialized) + * { + * Return (PPCM) + * } + */ + acpigen_write_method(ctx, "_PPC", 0); + acpigen_emit_byte(ctx, RETURN_OP); + acpigen_emit_namestring(ctx, "PPCM"); + acpigen_pop_len(ctx); +} + +void acpigen_write_tpc(struct acpi_ctx *ctx, const char *gnvs_tpc_limit) +{ + /* + * // Sample _TPC method + * Method (_TPC, 0, NotSerialized) + * { + * Return (\TLVL) + * } + */ + acpigen_write_method(ctx, "_TPC", 0); + acpigen_emit_byte(ctx, RETURN_OP); + acpigen_emit_namestring(ctx, gnvs_tpc_limit); + acpigen_pop_len(ctx); +} + void acpigen_write_prw(struct acpi_ctx *ctx, uint wake, uint level) { /* Name (_PRW, Package () { wake, level } */ @@ -491,6 +538,126 @@ void acpigen_write_prw(struct acpi_ctx *ctx, uint wake, uint level) acpigen_pop_len(ctx); } +void acpigen_write_pss_package(struct acpi_ctx *ctx, u32 core_freq, u32 power, + u32 trans_lat, u32 busm_lat, u32 control, + u32 status) +{ + acpigen_write_package(ctx, 6); + acpigen_write_dword(ctx, core_freq); + acpigen_write_dword(ctx, power); + acpigen_write_dword(ctx, trans_lat); + acpigen_write_dword(ctx, busm_lat); + acpigen_write_dword(ctx, control); + acpigen_write_dword(ctx, status); + acpigen_pop_len(ctx); + + log_debug("PSS: %uMHz power %u control 0x%x status 0x%x\n", + core_freq, power, control, status); +} + +void acpigen_write_psd_package(struct acpi_ctx *ctx, uint domain, uint numprocs, + enum psd_coord coordtype) +{ + acpigen_write_name(ctx, "_PSD"); + acpigen_write_package(ctx, 1); + acpigen_write_package(ctx, 5); + acpigen_write_byte(ctx, 5); // 5 values + acpigen_write_byte(ctx, 0); // revision 0 + acpigen_write_dword(ctx, domain); + acpigen_write_dword(ctx, coordtype); + acpigen_write_dword(ctx, numprocs); + acpigen_pop_len(ctx); + acpigen_pop_len(ctx); +} + +static void acpigen_write_cst_package_entry(struct acpi_ctx *ctx, + const struct acpi_cstate *cstate) +{ + acpigen_write_package(ctx, 4); + acpigen_write_register_resource(ctx, &cstate->resource); + acpigen_write_dword(ctx, cstate->ctype); + acpigen_write_dword(ctx, cstate->latency); + acpigen_write_dword(ctx, cstate->power); + acpigen_pop_len(ctx); +} + +void acpigen_write_cst_package(struct acpi_ctx *ctx, + const struct acpi_cstate *cstate, int nentries) +{ + int i; + + acpigen_write_name(ctx, "_CST"); + acpigen_write_package(ctx, nentries + 1); + acpigen_write_dword(ctx, nentries); + + for (i = 0; i < nentries; i++) + acpigen_write_cst_package_entry(ctx, cstate + i); + + acpigen_pop_len(ctx); +} + +void acpigen_write_csd_package(struct acpi_ctx *ctx, uint domain, uint numprocs, + enum csd_coord coordtype, uint index) +{ + acpigen_write_name(ctx, "_CSD"); + acpigen_write_package(ctx, 1); + acpigen_write_package(ctx, 6); + acpigen_write_byte(ctx, 6); // 6 values + acpigen_write_byte(ctx, 0); // revision 0 + acpigen_write_dword(ctx, domain); + acpigen_write_dword(ctx, coordtype); + acpigen_write_dword(ctx, numprocs); + acpigen_write_dword(ctx, index); + acpigen_pop_len(ctx); + acpigen_pop_len(ctx); +} + +void acpigen_write_tss_package(struct acpi_ctx *ctx, + struct acpi_tstate *entry, int nentries) +{ + /* + * Sample _TSS package with 100% and 50% duty cycles + * Name (_TSS, Package (0x02) + * { + * Package(){100, 1000, 0, 0x00, 0) + * Package(){50, 520, 0, 0x18, 0) + * }) + */ + struct acpi_tstate *tstate = entry; + int i; + + acpigen_write_name(ctx, "_TSS"); + acpigen_write_package(ctx, nentries); + + for (i = 0; i < nentries; i++) { + acpigen_write_package(ctx, 5); + acpigen_write_dword(ctx, tstate->percent); + acpigen_write_dword(ctx, tstate->power); + acpigen_write_dword(ctx, tstate->latency); + acpigen_write_dword(ctx, tstate->control); + acpigen_write_dword(ctx, tstate->status); + acpigen_pop_len(ctx); + tstate++; + } + + acpigen_pop_len(ctx); +} + +void acpigen_write_tsd_package(struct acpi_ctx *ctx, u32 domain, u32 numprocs, + enum psd_coord coordtype) +{ + acpigen_write_name(ctx, "_TSD"); + acpigen_write_package(ctx, 1); + acpigen_write_package(ctx, 5); + acpigen_write_byte(ctx, 5); // 5 values + acpigen_write_byte(ctx, 0); // revision 0 + acpigen_write_dword(ctx, domain); + acpigen_write_dword(ctx, coordtype); + acpigen_write_dword(ctx, numprocs); + acpigen_pop_len(ctx); + acpigen_pop_len(ctx); +} + /* * ToUUID(uuid) * -- cgit v1.2.3 From 9c6aaf13473b611508e9bc3a5ab851255403c3bf Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 22 Sep 2020 12:45:44 -0600 Subject: acpi: Use I2cSerialBusV2() instead of I2cSerialBus() Use the correct name of the ACPI structure being created. Signed-off-by: Simon Glass --- lib/acpi/acpi_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'lib') diff --git a/lib/acpi/acpi_device.c b/lib/acpi/acpi_device.c index 8248664a10a..95dfac583fc 100644 --- a/lib/acpi/acpi_device.c +++ b/lib/acpi/acpi_device.c @@ -530,7 +530,7 @@ int acpi_device_write_dsm_i2c_hid(struct acpi_ctx *ctx, return 0; } -/* ACPI 6.3 section 6.4.3.8.2.1 - I2cSerialBus() */ +/* ACPI 6.3 section 6.4.3.8.2.1 - I2cSerialBusV2() */ static void acpi_device_write_i2c(struct acpi_ctx *ctx, const struct acpi_i2c *i2c) { -- cgit v1.2.3