From ec2e3e479af0dc66041ae3b599b7df93b10160b9 Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Tue, 3 Nov 2020 15:19:08 -0800 Subject: acpigen: Add more useful helper functions acpigen_write_debug_namestr() - Debug = NAME acpigen_write_return_namestr() - Return (NAME) acpigen_set_package_op_element_int() - Set package pointer element DeRefOf (PKG[ELEM]) = INT acpigen_get_package_element() - Get package (not pointer) element dest_op = PKG[ELEM] acpigen_set_package_element_int() - Set package element to integer PKG[ELEM] = INT acpigen_set_package_element_namestr() - Set package element to namestr PKG[ELEM] = NAME acpigen_write_delay_until_namestr_int() - Delay while waiting for register to equal expected value. BUG=b:160996445 Signed-off-by: Duncan Laurie Change-Id: I9b20a23872b7d4a50f03761032426ffbb722b9ee Reviewed-on: https://review.coreboot.org/c/coreboot/+/47196 Reviewed-by: Furquan Shaikh Reviewed-by: Tim Wawrzynczak Tested-by: build bot (Jenkins) --- src/include/acpi/acpigen.h | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) (limited to 'src/include') diff --git a/src/include/acpi/acpigen.h b/src/include/acpi/acpigen.h index 6360614c71..15af0192a3 100644 --- a/src/include/acpi/acpigen.h +++ b/src/include/acpi/acpigen.h @@ -286,6 +286,7 @@ struct cppc_config { }; void acpigen_write_return_integer(uint64_t arg); +void acpigen_write_return_namestr(const char *arg); void acpigen_write_return_string(const char *arg); void acpigen_write_len_f(void); void acpigen_pop_len(void); @@ -374,6 +375,7 @@ void acpigen_write_xor(uint8_t arg1, uint8_t arg2, uint8_t res); void acpigen_write_and(uint8_t arg1, uint8_t arg2, uint8_t res); void acpigen_write_not(uint8_t arg, uint8_t res); void acpigen_write_debug_string(const char *str); +void acpigen_write_debug_namestr(const char *str); void acpigen_write_debug_integer(uint64_t val); void acpigen_write_debug_op(uint8_t op); void acpigen_write_if(void); @@ -466,7 +468,7 @@ int get_cst_entries(acpi_cstate_t **); /* * Get element from package into specified destination op: - * = DeRefOf ([ = DeRefOf ([]) * * Example: * acpigen_get_package_op_element(ARG0_OP, 0, LOCAL0_OP) @@ -474,6 +476,25 @@ int get_cst_entries(acpi_cstate_t **); */ void acpigen_get_package_op_element(uint8_t package_op, unsigned int element, uint8_t dest_op); +/* Set element of package op to specified op: DeRefOf ([]) = */ +void acpigen_set_package_op_element_int(uint8_t package_op, unsigned int element, uint64_t src); + +/* Get element from package to specified op: = [] */ +void acpigen_get_package_element(const char *package, unsigned int element, uint8_t dest_op); + +/* Set element of package to specified op: [] = */ +void acpigen_set_package_element_int(const char *package, unsigned int element, uint64_t src); + +/* Set element of package to specified namestr: [] = */ +void acpigen_set_package_element_namestr(const char *package, unsigned int element, + const char *src); + +/* + * Delay up to wait_ms milliseconds until the provided name matches the expected value. + * If wait_ms is >= 32ms then it will wait in 16ms chunks. This function uses LOCAL7_OP. + */ +void acpigen_write_delay_until_namestr_int(uint32_t wait_ms, const char *name, uint64_t value); + /* * Soc-implemented functions for generating ACPI AML code for GPIO handling. All * these functions are expected to use only Local5, Local6 and Local7 -- cgit v1.2.3