Change in coreboot[master]: drivers/wifi/generic: Move ACPI functions to a separate file
Furquan Shaikh has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/46860 )
Change subject: drivers/wifi/generic: Move ACPI functions to a separate file ......................................................................
drivers/wifi/generic: Move ACPI functions to a separate file
This change reorganizes the WiFi generic driver to move the ACPI functions to a separate file. This change is done to reduce the noise in generic.c file and improve readability of the file.
Change-Id: If5fafb5452fb5bad327be730fcfc43d8a5d3b8ec Signed-off-by: Furquan Shaikh furquan@google.com --- M src/drivers/wifi/generic/Makefile.inc A src/drivers/wifi/generic/acpi.c M src/drivers/wifi/generic/generic.c M src/drivers/wifi/generic/wifi_private.h 4 files changed, 235 insertions(+), 227 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/46860/1
diff --git a/src/drivers/wifi/generic/Makefile.inc b/src/drivers/wifi/generic/Makefile.inc index 3683c3e..c178449 100644 --- a/src/drivers/wifi/generic/Makefile.inc +++ b/src/drivers/wifi/generic/Makefile.inc @@ -3,6 +3,7 @@
ramstage-y += generic.c ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios.c +ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c
cbfs-files-$(CONFIG_WIFI_SAR_CBFS) += wifi_sar_defaults.hex wifi_sar_defaults.hex-file := $(call strip_quotes,$(CONFIG_WIFI_SAR_CBFS_FILEPATH)) diff --git a/src/drivers/wifi/generic/acpi.c b/src/drivers/wifi/generic/acpi.c new file mode 100644 index 0000000..f83d04c --- /dev/null +++ b/src/drivers/wifi/generic/acpi.c @@ -0,0 +1,231 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <acpi/acpi_device.h> +#include <acpi/acpigen.h> +#include <console/console.h> +#include <device/pci_ids.h> +#include <sar.h> +#include <wrdd.h> + +#include "chip.h" +#include "wifi_private.h" + +/* WRDS Spec Revision */ +#define WRDS_REVISION 0x0 + +/* EWRD Spec Revision */ +#define EWRD_REVISION 0x0 + +/* WRDS Domain type */ +#define WRDS_DOMAIN_TYPE_WIFI 0x7 + +/* EWRD Domain type */ +#define EWRD_DOMAIN_TYPE_WIFI 0x7 + +/* WGDS Domain type */ +#define WGDS_DOMAIN_TYPE_WIFI 0x7 + +/* + * WIFI ACPI NAME = "WF" + hex value of last 8 bits of dev_path_encode + '\0' + * The above representation returns unique and consistent name every time + * generate_wifi_acpi_name is invoked. The last 8 bits of dev_path_encode is + * chosen since it contains the bus address of the device. + */ +#define WIFI_ACPI_NAME_MAX_LEN 5 + +__weak int get_wifi_sar_limits(struct wifi_sar_limits *sar_limits) +{ + return -1; +} + +static void emit_sar_acpi_structures(const struct device *dev) +{ + int i, j, package_size; + struct wifi_sar_limits sar_limits; + struct wifi_sar_delta_table *wgds; + + /* CBFS SAR and SAR ACPI tables are currently used only by Intel WiFi devices. */ + if (dev->vendor != PCI_VENDOR_ID_INTEL) + return; + + /* Retrieve the sar limits data */ + if (get_wifi_sar_limits(&sar_limits) < 0) { + printk(BIOS_ERR, "Error: failed from getting SAR limits!\n"); + return; + } + + /* + * Name ("WRDS", Package () { + * Revision, + * Package () { + * Domain Type, // 0x7:WiFi + * WiFi SAR BIOS, // BIOS SAR Enable/disable + * SAR Table Set // Set#1 of SAR Table (10 bytes) + * } + * }) + */ + acpigen_write_name("WRDS"); + acpigen_write_package(2); + acpigen_write_dword(WRDS_REVISION); + /* Emit 'Domain Type' + 'WiFi SAR BIOS' + 10 bytes for Set#1 */ + package_size = 1 + 1 + BYTES_PER_SAR_LIMIT; + acpigen_write_package(package_size); + acpigen_write_dword(WRDS_DOMAIN_TYPE_WIFI); + acpigen_write_dword(CONFIG(SAR_ENABLE)); + for (i = 0; i < BYTES_PER_SAR_LIMIT; i++) + acpigen_write_byte(sar_limits.sar_limit[0][i]); + acpigen_pop_len(); + acpigen_pop_len(); + + /* + * Name ("EWRD", Package () { + * Revision, + * Package () { + * Domain Type, // 0x7:WiFi + * Dynamic SAR Enable, // Dynamic SAR Enable/disable + * Extended SAR sets, // Number of optional SAR table sets + * SAR Table Set, // Set#2 of SAR Table (10 bytes) + * SAR Table Set, // Set#3 of SAR Table (10 bytes) + * SAR Table Set // Set#4 of SAR Table (10 bytes) + * } + * }) + */ + acpigen_write_name("EWRD"); + acpigen_write_package(2); + acpigen_write_dword(EWRD_REVISION); + /* + * Emit 'Domain Type' + "Dynamic SAR Enable' + 'Extended SAR sets' + * + number of bytes for Set#2 & 3 & 4 + */ + package_size = 1 + 1 + 1 + (NUM_SAR_LIMITS - 1) * BYTES_PER_SAR_LIMIT; + acpigen_write_package(package_size); + acpigen_write_dword(EWRD_DOMAIN_TYPE_WIFI); + acpigen_write_dword(CONFIG(DSAR_ENABLE)); + acpigen_write_dword(CONFIG_DSAR_SET_NUM); + for (i = 1; i < NUM_SAR_LIMITS; i++) + for (j = 0; j < BYTES_PER_SAR_LIMIT; j++) + acpigen_write_byte(sar_limits.sar_limit[i][j]); + acpigen_pop_len(); + acpigen_pop_len(); + + if (!CONFIG(GEO_SAR_ENABLE)) + return; + + /* + * Name ("WGDS", Package() { + * Revision, + * Package() { + * DomainType, // 0x7:WiFi + * WgdsWiFiSarDeltaGroup1PowerMax1, // Group 1 FCC 2400 Max + * WgdsWiFiSarDeltaGroup1PowerChainA1, // Group 1 FCC 2400 A Offset + * WgdsWiFiSarDeltaGroup1PowerChainB1, // Group 1 FCC 2400 B Offset + * WgdsWiFiSarDeltaGroup1PowerMax2, // Group 1 FCC 5200 Max + * WgdsWiFiSarDeltaGroup1PowerChainA2, // Group 1 FCC 5200 A Offset + * WgdsWiFiSarDeltaGroup1PowerChainB2, // Group 1 FCC 5200 B Offset + * WgdsWiFiSarDeltaGroup2PowerMax1, // Group 2 EC Jap 2400 Max + * WgdsWiFiSarDeltaGroup2PowerChainA1, // Group 2 EC Jap 2400 A Offset + * WgdsWiFiSarDeltaGroup2PowerChainB1, // Group 2 EC Jap 2400 B Offset + * WgdsWiFiSarDeltaGroup2PowerMax2, // Group 2 EC Jap 5200 Max + * WgdsWiFiSarDeltaGroup2PowerChainA2, // Group 2 EC Jap 5200 A Offset + * WgdsWiFiSarDeltaGroup2PowerChainB2, // Group 2 EC Jap 5200 B Offset + * WgdsWiFiSarDeltaGroup3PowerMax1, // Group 3 ROW 2400 Max + * WgdsWiFiSarDeltaGroup3PowerChainA1, // Group 3 ROW 2400 A Offset + * WgdsWiFiSarDeltaGroup3PowerChainB1, // Group 3 ROW 2400 B Offset + * WgdsWiFiSarDeltaGroup3PowerMax2, // Group 3 ROW 5200 Max + * WgdsWiFiSarDeltaGroup3PowerChainA2, // Group 3 ROW 5200 A Offset + * WgdsWiFiSarDeltaGroup3PowerChainB2, // Group 3 ROW 5200 B Offset + * } + * }) + */ + + wgds = &sar_limits.wgds; + acpigen_write_name("WGDS"); + acpigen_write_package(2); + acpigen_write_dword(wgds->version); + /* Emit 'Domain Type' + + * Group specific delta of power (6 bytes * NUM_WGDS_SAR_GROUPS) + */ + package_size = sizeof(sar_limits.wgds.group) + 1; + acpigen_write_package(package_size); + acpigen_write_dword(WGDS_DOMAIN_TYPE_WIFI); + for (i = 0; i < SAR_NUM_WGDS_GROUPS; i++) { + acpigen_write_byte(wgds->group[i].power_max_2400mhz); + acpigen_write_byte(wgds->group[i].power_chain_a_2400mhz); + acpigen_write_byte(wgds->group[i].power_chain_b_2400mhz); + acpigen_write_byte(wgds->group[i].power_max_5200mhz); + acpigen_write_byte(wgds->group[i].power_chain_a_5200mhz); + acpigen_write_byte(wgds->group[i].power_chain_b_5200mhz); + } + + acpigen_pop_len(); + acpigen_pop_len(); +} + +void wifi_generic_fill_ssdt(const struct device *dev) +{ + const char *path; + const struct drivers_wifi_generic_config *config = dev->chip_info; + + if (!dev->enabled) + return; + + path = acpi_device_path(dev->bus->dev); + if (!path) + return; + + /* Device */ + acpigen_write_scope(path); + acpigen_write_device(acpi_device_name(dev)); + acpi_device_write_uid(dev); + + if (dev->chip_ops) + acpigen_write_name_string("_DDN", dev->chip_ops->name); + + /* Address */ + acpigen_write_ADR_pci_device(dev); + + /* Wake capabilities */ + if (config) + acpigen_write_PRW(config->wake, ACPI_S3); + + /* Fill regulatory domain structure */ + if (CONFIG(HAVE_REGULATORY_DOMAIN)) { + /* + * Name ("WRDD", Package () { + * WRDD_REVISION, // Revision + * Package () { + * WRDD_DOMAIN_TYPE_WIFI, // Domain Type, 7:WiFi + * wifi_regulatory_domain() // Country Identifier + * } + * }) + */ + acpigen_write_name("WRDD"); + acpigen_write_package(2); + acpigen_write_integer(WRDD_REVISION); + acpigen_write_package(2); + acpigen_write_dword(WRDD_DOMAIN_TYPE_WIFI); + acpigen_write_dword(wifi_regulatory_domain()); + acpigen_pop_len(); + acpigen_pop_len(); + } + + /* Fill Wifi sar related ACPI structures */ + if (CONFIG(USE_SAR)) + emit_sar_acpi_structures(dev); + + acpigen_pop_len(); /* Device */ + acpigen_pop_len(); /* Scope */ + + printk(BIOS_INFO, "%s.%s: %s %s\n", path, acpi_device_name(dev), + dev->chip_ops ? dev->chip_ops->name : "", dev_path(dev)); +} + +const char *wifi_generic_acpi_name(const struct device *dev) +{ + static char wifi_acpi_name[WIFI_ACPI_NAME_MAX_LEN]; + + /* ACPI 6.3, ASL 20.2.2: (Name Objects Encoding). */ + snprintf(wifi_acpi_name, sizeof(wifi_acpi_name), "WF%02X", + (dev_path_encode(dev) & 0xff)); + return wifi_acpi_name; +} diff --git a/src/drivers/wifi/generic/generic.c b/src/drivers/wifi/generic/generic.c index 56944e61..fcb7294 100644 --- a/src/drivers/wifi/generic/generic.c +++ b/src/drivers/wifi/generic/generic.c @@ -1,241 +1,14 @@ /* SPDX-License-Identifier: GPL-2.0-only */
-#include <acpi/acpi_device.h> -#include <acpi/acpigen.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_def.h> #include <device/pci_ids.h> #include <elog.h> -#include <sar.h> -#include <wrdd.h> #include "chip.h" #include "wifi_private.h"
-/* WRDS Spec Revision */ -#define WRDS_REVISION 0x0 - -/* EWRD Spec Revision */ -#define EWRD_REVISION 0x0 - -/* WRDS Domain type */ -#define WRDS_DOMAIN_TYPE_WIFI 0x7 - -/* EWRD Domain type */ -#define EWRD_DOMAIN_TYPE_WIFI 0x7 - -/* WGDS Domain type */ -#define WGDS_DOMAIN_TYPE_WIFI 0x7 - -/* - * WIFI ACPI NAME = "WF" + hex value of last 8 bits of dev_path_encode + '\0' - * The above representation returns unique and consistent name every time - * generate_wifi_acpi_name is invoked. The last 8 bits of dev_path_encode is - * chosen since it contains the bus address of the device. - */ -#define WIFI_ACPI_NAME_MAX_LEN 5 - -#if CONFIG(HAVE_ACPI_TABLES) -__weak -int get_wifi_sar_limits(struct wifi_sar_limits *sar_limits) -{ - return -1; -} - -static void emit_sar_acpi_structures(const struct device *dev) -{ - int i, j, package_size; - struct wifi_sar_limits sar_limits; - struct wifi_sar_delta_table *wgds; - - /* CBFS SAR and SAR ACPI tables are currently used only by Intel WiFi devices. */ - if (dev->vendor != PCI_VENDOR_ID_INTEL) - return; - - /* Retrieve the sar limits data */ - if (get_wifi_sar_limits(&sar_limits) < 0) { - printk(BIOS_ERR, "Error: failed from getting SAR limits!\n"); - return; - } - - /* - * Name ("WRDS", Package () { - * Revision, - * Package () { - * Domain Type, // 0x7:WiFi - * WiFi SAR BIOS, // BIOS SAR Enable/disable - * SAR Table Set // Set#1 of SAR Table (10 bytes) - * } - * }) - */ - acpigen_write_name("WRDS"); - acpigen_write_package(2); - acpigen_write_dword(WRDS_REVISION); - /* Emit 'Domain Type' + 'WiFi SAR BIOS' + 10 bytes for Set#1 */ - package_size = 1 + 1 + BYTES_PER_SAR_LIMIT; - acpigen_write_package(package_size); - acpigen_write_dword(WRDS_DOMAIN_TYPE_WIFI); - acpigen_write_dword(CONFIG(SAR_ENABLE)); - for (i = 0; i < BYTES_PER_SAR_LIMIT; i++) - acpigen_write_byte(sar_limits.sar_limit[0][i]); - acpigen_pop_len(); - acpigen_pop_len(); - - /* - * Name ("EWRD", Package () { - * Revision, - * Package () { - * Domain Type, // 0x7:WiFi - * Dynamic SAR Enable, // Dynamic SAR Enable/disable - * Extended SAR sets, // Number of optional SAR table sets - * SAR Table Set, // Set#2 of SAR Table (10 bytes) - * SAR Table Set, // Set#3 of SAR Table (10 bytes) - * SAR Table Set // Set#4 of SAR Table (10 bytes) - * } - * }) - */ - acpigen_write_name("EWRD"); - acpigen_write_package(2); - acpigen_write_dword(EWRD_REVISION); - /* - * Emit 'Domain Type' + "Dynamic SAR Enable' + 'Extended SAR sets' - * + number of bytes for Set#2 & 3 & 4 - */ - package_size = 1 + 1 + 1 + (NUM_SAR_LIMITS - 1) * BYTES_PER_SAR_LIMIT; - acpigen_write_package(package_size); - acpigen_write_dword(EWRD_DOMAIN_TYPE_WIFI); - acpigen_write_dword(CONFIG(DSAR_ENABLE)); - acpigen_write_dword(CONFIG_DSAR_SET_NUM); - for (i = 1; i < NUM_SAR_LIMITS; i++) - for (j = 0; j < BYTES_PER_SAR_LIMIT; j++) - acpigen_write_byte(sar_limits.sar_limit[i][j]); - acpigen_pop_len(); - acpigen_pop_len(); - - if (!CONFIG(GEO_SAR_ENABLE)) - return; - - /* - * Name ("WGDS", Package() { - * Revision, - * Package() { - * DomainType, // 0x7:WiFi - * WgdsWiFiSarDeltaGroup1PowerMax1, // Group 1 FCC 2400 Max - * WgdsWiFiSarDeltaGroup1PowerChainA1, // Group 1 FCC 2400 A Offset - * WgdsWiFiSarDeltaGroup1PowerChainB1, // Group 1 FCC 2400 B Offset - * WgdsWiFiSarDeltaGroup1PowerMax2, // Group 1 FCC 5200 Max - * WgdsWiFiSarDeltaGroup1PowerChainA2, // Group 1 FCC 5200 A Offset - * WgdsWiFiSarDeltaGroup1PowerChainB2, // Group 1 FCC 5200 B Offset - * WgdsWiFiSarDeltaGroup2PowerMax1, // Group 2 EC Jap 2400 Max - * WgdsWiFiSarDeltaGroup2PowerChainA1, // Group 2 EC Jap 2400 A Offset - * WgdsWiFiSarDeltaGroup2PowerChainB1, // Group 2 EC Jap 2400 B Offset - * WgdsWiFiSarDeltaGroup2PowerMax2, // Group 2 EC Jap 5200 Max - * WgdsWiFiSarDeltaGroup2PowerChainA2, // Group 2 EC Jap 5200 A Offset - * WgdsWiFiSarDeltaGroup2PowerChainB2, // Group 2 EC Jap 5200 B Offset - * WgdsWiFiSarDeltaGroup3PowerMax1, // Group 3 ROW 2400 Max - * WgdsWiFiSarDeltaGroup3PowerChainA1, // Group 3 ROW 2400 A Offset - * WgdsWiFiSarDeltaGroup3PowerChainB1, // Group 3 ROW 2400 B Offset - * WgdsWiFiSarDeltaGroup3PowerMax2, // Group 3 ROW 5200 Max - * WgdsWiFiSarDeltaGroup3PowerChainA2, // Group 3 ROW 5200 A Offset - * WgdsWiFiSarDeltaGroup3PowerChainB2, // Group 3 ROW 5200 B Offset - * } - * }) - */ - - wgds = &sar_limits.wgds; - acpigen_write_name("WGDS"); - acpigen_write_package(2); - acpigen_write_dword(wgds->version); - /* Emit 'Domain Type' + - * Group specific delta of power (6 bytes * NUM_WGDS_SAR_GROUPS) - */ - package_size = sizeof(sar_limits.wgds.group) + 1; - acpigen_write_package(package_size); - acpigen_write_dword(WGDS_DOMAIN_TYPE_WIFI); - for (i = 0; i < SAR_NUM_WGDS_GROUPS; i++) { - acpigen_write_byte(wgds->group[i].power_max_2400mhz); - acpigen_write_byte(wgds->group[i].power_chain_a_2400mhz); - acpigen_write_byte(wgds->group[i].power_chain_b_2400mhz); - acpigen_write_byte(wgds->group[i].power_max_5200mhz); - acpigen_write_byte(wgds->group[i].power_chain_a_5200mhz); - acpigen_write_byte(wgds->group[i].power_chain_b_5200mhz); - } - - acpigen_pop_len(); - acpigen_pop_len(); -} - -static void wifi_generic_fill_ssdt(const struct device *dev) -{ - const char *path; - const struct drivers_wifi_generic_config *config = dev->chip_info; - - if (!dev->enabled) - return; - - path = acpi_device_path(dev->bus->dev); - if (!path) - return; - - /* Device */ - acpigen_write_scope(path); - acpigen_write_device(acpi_device_name(dev)); - acpi_device_write_uid(dev); - - if (dev->chip_ops) - acpigen_write_name_string("_DDN", dev->chip_ops->name); - - /* Address */ - acpigen_write_ADR_pci_device(dev); - - /* Wake capabilities */ - if (config) - acpigen_write_PRW(config->wake, ACPI_S3); - - /* Fill regulatory domain structure */ - if (CONFIG(HAVE_REGULATORY_DOMAIN)) { - /* - * Name ("WRDD", Package () { - * WRDD_REVISION, // Revision - * Package () { - * WRDD_DOMAIN_TYPE_WIFI, // Domain Type, 7:WiFi - * wifi_regulatory_domain() // Country Identifier - * } - * }) - */ - acpigen_write_name("WRDD"); - acpigen_write_package(2); - acpigen_write_integer(WRDD_REVISION); - acpigen_write_package(2); - acpigen_write_dword(WRDD_DOMAIN_TYPE_WIFI); - acpigen_write_dword(wifi_regulatory_domain()); - acpigen_pop_len(); - acpigen_pop_len(); - } - - /* Fill Wifi sar related ACPI structures */ - if (CONFIG(USE_SAR)) - emit_sar_acpi_structures(dev); - - acpigen_pop_len(); /* Device */ - acpigen_pop_len(); /* Scope */ - - printk(BIOS_INFO, "%s.%s: %s %s\n", path, acpi_device_name(dev), - dev->chip_ops ? dev->chip_ops->name : "", dev_path(dev)); -} - -static const char *wifi_generic_acpi_name(const struct device *dev) -{ - static char wifi_acpi_name[WIFI_ACPI_NAME_MAX_LEN]; - - /* ACPI 6.3, ASL 20.2.2: (Name Objects Encoding). */ - snprintf(wifi_acpi_name, sizeof(wifi_acpi_name), "WF%02X", - (dev_path_encode(dev) & 0xff)); - return wifi_acpi_name; -} -#endif - static void wifi_pci_dev_init(struct device *dev) { if (pci_dev_is_wake_source(dev)) diff --git a/src/drivers/wifi/generic/wifi_private.h b/src/drivers/wifi/generic/wifi_private.h index 11b9198..39cdfed 100644 --- a/src/drivers/wifi/generic/wifi_private.h +++ b/src/drivers/wifi/generic/wifi_private.h @@ -5,4 +5,7 @@
int smbios_write_wifi(struct device *dev, int *handle, unsigned long *current);
+const char *wifi_generic_acpi_name(const struct device *dev); +void wifi_generic_fill_ssdt(const struct device *dev); + #endif
Duncan Laurie has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/46860 )
Change subject: drivers/wifi/generic: Move ACPI functions to a separate file ......................................................................
Patch Set 1: Code-Review+2
Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/46860 )
Change subject: drivers/wifi/generic: Move ACPI functions to a separate file ......................................................................
drivers/wifi/generic: Move ACPI functions to a separate file
This change reorganizes the WiFi generic driver to move the ACPI functions to a separate file. This change is done to reduce the noise in generic.c file and improve readability of the file.
Change-Id: If5fafb5452fb5bad327be730fcfc43d8a5d3b8ec Signed-off-by: Furquan Shaikh furquan@google.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/46860 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Duncan Laurie dlaurie@chromium.org --- M src/drivers/wifi/generic/Makefile.inc A src/drivers/wifi/generic/acpi.c M src/drivers/wifi/generic/generic.c M src/drivers/wifi/generic/wifi_private.h 4 files changed, 235 insertions(+), 227 deletions(-)
Approvals: build bot (Jenkins): Verified Duncan Laurie: Looks good to me, approved
diff --git a/src/drivers/wifi/generic/Makefile.inc b/src/drivers/wifi/generic/Makefile.inc index 3683c3e..c178449 100644 --- a/src/drivers/wifi/generic/Makefile.inc +++ b/src/drivers/wifi/generic/Makefile.inc @@ -3,6 +3,7 @@
ramstage-y += generic.c ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios.c +ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c
cbfs-files-$(CONFIG_WIFI_SAR_CBFS) += wifi_sar_defaults.hex wifi_sar_defaults.hex-file := $(call strip_quotes,$(CONFIG_WIFI_SAR_CBFS_FILEPATH)) diff --git a/src/drivers/wifi/generic/acpi.c b/src/drivers/wifi/generic/acpi.c new file mode 100644 index 0000000..f83d04c --- /dev/null +++ b/src/drivers/wifi/generic/acpi.c @@ -0,0 +1,231 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <acpi/acpi_device.h> +#include <acpi/acpigen.h> +#include <console/console.h> +#include <device/pci_ids.h> +#include <sar.h> +#include <wrdd.h> + +#include "chip.h" +#include "wifi_private.h" + +/* WRDS Spec Revision */ +#define WRDS_REVISION 0x0 + +/* EWRD Spec Revision */ +#define EWRD_REVISION 0x0 + +/* WRDS Domain type */ +#define WRDS_DOMAIN_TYPE_WIFI 0x7 + +/* EWRD Domain type */ +#define EWRD_DOMAIN_TYPE_WIFI 0x7 + +/* WGDS Domain type */ +#define WGDS_DOMAIN_TYPE_WIFI 0x7 + +/* + * WIFI ACPI NAME = "WF" + hex value of last 8 bits of dev_path_encode + '\0' + * The above representation returns unique and consistent name every time + * generate_wifi_acpi_name is invoked. The last 8 bits of dev_path_encode is + * chosen since it contains the bus address of the device. + */ +#define WIFI_ACPI_NAME_MAX_LEN 5 + +__weak int get_wifi_sar_limits(struct wifi_sar_limits *sar_limits) +{ + return -1; +} + +static void emit_sar_acpi_structures(const struct device *dev) +{ + int i, j, package_size; + struct wifi_sar_limits sar_limits; + struct wifi_sar_delta_table *wgds; + + /* CBFS SAR and SAR ACPI tables are currently used only by Intel WiFi devices. */ + if (dev->vendor != PCI_VENDOR_ID_INTEL) + return; + + /* Retrieve the sar limits data */ + if (get_wifi_sar_limits(&sar_limits) < 0) { + printk(BIOS_ERR, "Error: failed from getting SAR limits!\n"); + return; + } + + /* + * Name ("WRDS", Package () { + * Revision, + * Package () { + * Domain Type, // 0x7:WiFi + * WiFi SAR BIOS, // BIOS SAR Enable/disable + * SAR Table Set // Set#1 of SAR Table (10 bytes) + * } + * }) + */ + acpigen_write_name("WRDS"); + acpigen_write_package(2); + acpigen_write_dword(WRDS_REVISION); + /* Emit 'Domain Type' + 'WiFi SAR BIOS' + 10 bytes for Set#1 */ + package_size = 1 + 1 + BYTES_PER_SAR_LIMIT; + acpigen_write_package(package_size); + acpigen_write_dword(WRDS_DOMAIN_TYPE_WIFI); + acpigen_write_dword(CONFIG(SAR_ENABLE)); + for (i = 0; i < BYTES_PER_SAR_LIMIT; i++) + acpigen_write_byte(sar_limits.sar_limit[0][i]); + acpigen_pop_len(); + acpigen_pop_len(); + + /* + * Name ("EWRD", Package () { + * Revision, + * Package () { + * Domain Type, // 0x7:WiFi + * Dynamic SAR Enable, // Dynamic SAR Enable/disable + * Extended SAR sets, // Number of optional SAR table sets + * SAR Table Set, // Set#2 of SAR Table (10 bytes) + * SAR Table Set, // Set#3 of SAR Table (10 bytes) + * SAR Table Set // Set#4 of SAR Table (10 bytes) + * } + * }) + */ + acpigen_write_name("EWRD"); + acpigen_write_package(2); + acpigen_write_dword(EWRD_REVISION); + /* + * Emit 'Domain Type' + "Dynamic SAR Enable' + 'Extended SAR sets' + * + number of bytes for Set#2 & 3 & 4 + */ + package_size = 1 + 1 + 1 + (NUM_SAR_LIMITS - 1) * BYTES_PER_SAR_LIMIT; + acpigen_write_package(package_size); + acpigen_write_dword(EWRD_DOMAIN_TYPE_WIFI); + acpigen_write_dword(CONFIG(DSAR_ENABLE)); + acpigen_write_dword(CONFIG_DSAR_SET_NUM); + for (i = 1; i < NUM_SAR_LIMITS; i++) + for (j = 0; j < BYTES_PER_SAR_LIMIT; j++) + acpigen_write_byte(sar_limits.sar_limit[i][j]); + acpigen_pop_len(); + acpigen_pop_len(); + + if (!CONFIG(GEO_SAR_ENABLE)) + return; + + /* + * Name ("WGDS", Package() { + * Revision, + * Package() { + * DomainType, // 0x7:WiFi + * WgdsWiFiSarDeltaGroup1PowerMax1, // Group 1 FCC 2400 Max + * WgdsWiFiSarDeltaGroup1PowerChainA1, // Group 1 FCC 2400 A Offset + * WgdsWiFiSarDeltaGroup1PowerChainB1, // Group 1 FCC 2400 B Offset + * WgdsWiFiSarDeltaGroup1PowerMax2, // Group 1 FCC 5200 Max + * WgdsWiFiSarDeltaGroup1PowerChainA2, // Group 1 FCC 5200 A Offset + * WgdsWiFiSarDeltaGroup1PowerChainB2, // Group 1 FCC 5200 B Offset + * WgdsWiFiSarDeltaGroup2PowerMax1, // Group 2 EC Jap 2400 Max + * WgdsWiFiSarDeltaGroup2PowerChainA1, // Group 2 EC Jap 2400 A Offset + * WgdsWiFiSarDeltaGroup2PowerChainB1, // Group 2 EC Jap 2400 B Offset + * WgdsWiFiSarDeltaGroup2PowerMax2, // Group 2 EC Jap 5200 Max + * WgdsWiFiSarDeltaGroup2PowerChainA2, // Group 2 EC Jap 5200 A Offset + * WgdsWiFiSarDeltaGroup2PowerChainB2, // Group 2 EC Jap 5200 B Offset + * WgdsWiFiSarDeltaGroup3PowerMax1, // Group 3 ROW 2400 Max + * WgdsWiFiSarDeltaGroup3PowerChainA1, // Group 3 ROW 2400 A Offset + * WgdsWiFiSarDeltaGroup3PowerChainB1, // Group 3 ROW 2400 B Offset + * WgdsWiFiSarDeltaGroup3PowerMax2, // Group 3 ROW 5200 Max + * WgdsWiFiSarDeltaGroup3PowerChainA2, // Group 3 ROW 5200 A Offset + * WgdsWiFiSarDeltaGroup3PowerChainB2, // Group 3 ROW 5200 B Offset + * } + * }) + */ + + wgds = &sar_limits.wgds; + acpigen_write_name("WGDS"); + acpigen_write_package(2); + acpigen_write_dword(wgds->version); + /* Emit 'Domain Type' + + * Group specific delta of power (6 bytes * NUM_WGDS_SAR_GROUPS) + */ + package_size = sizeof(sar_limits.wgds.group) + 1; + acpigen_write_package(package_size); + acpigen_write_dword(WGDS_DOMAIN_TYPE_WIFI); + for (i = 0; i < SAR_NUM_WGDS_GROUPS; i++) { + acpigen_write_byte(wgds->group[i].power_max_2400mhz); + acpigen_write_byte(wgds->group[i].power_chain_a_2400mhz); + acpigen_write_byte(wgds->group[i].power_chain_b_2400mhz); + acpigen_write_byte(wgds->group[i].power_max_5200mhz); + acpigen_write_byte(wgds->group[i].power_chain_a_5200mhz); + acpigen_write_byte(wgds->group[i].power_chain_b_5200mhz); + } + + acpigen_pop_len(); + acpigen_pop_len(); +} + +void wifi_generic_fill_ssdt(const struct device *dev) +{ + const char *path; + const struct drivers_wifi_generic_config *config = dev->chip_info; + + if (!dev->enabled) + return; + + path = acpi_device_path(dev->bus->dev); + if (!path) + return; + + /* Device */ + acpigen_write_scope(path); + acpigen_write_device(acpi_device_name(dev)); + acpi_device_write_uid(dev); + + if (dev->chip_ops) + acpigen_write_name_string("_DDN", dev->chip_ops->name); + + /* Address */ + acpigen_write_ADR_pci_device(dev); + + /* Wake capabilities */ + if (config) + acpigen_write_PRW(config->wake, ACPI_S3); + + /* Fill regulatory domain structure */ + if (CONFIG(HAVE_REGULATORY_DOMAIN)) { + /* + * Name ("WRDD", Package () { + * WRDD_REVISION, // Revision + * Package () { + * WRDD_DOMAIN_TYPE_WIFI, // Domain Type, 7:WiFi + * wifi_regulatory_domain() // Country Identifier + * } + * }) + */ + acpigen_write_name("WRDD"); + acpigen_write_package(2); + acpigen_write_integer(WRDD_REVISION); + acpigen_write_package(2); + acpigen_write_dword(WRDD_DOMAIN_TYPE_WIFI); + acpigen_write_dword(wifi_regulatory_domain()); + acpigen_pop_len(); + acpigen_pop_len(); + } + + /* Fill Wifi sar related ACPI structures */ + if (CONFIG(USE_SAR)) + emit_sar_acpi_structures(dev); + + acpigen_pop_len(); /* Device */ + acpigen_pop_len(); /* Scope */ + + printk(BIOS_INFO, "%s.%s: %s %s\n", path, acpi_device_name(dev), + dev->chip_ops ? dev->chip_ops->name : "", dev_path(dev)); +} + +const char *wifi_generic_acpi_name(const struct device *dev) +{ + static char wifi_acpi_name[WIFI_ACPI_NAME_MAX_LEN]; + + /* ACPI 6.3, ASL 20.2.2: (Name Objects Encoding). */ + snprintf(wifi_acpi_name, sizeof(wifi_acpi_name), "WF%02X", + (dev_path_encode(dev) & 0xff)); + return wifi_acpi_name; +} diff --git a/src/drivers/wifi/generic/generic.c b/src/drivers/wifi/generic/generic.c index 56944e61..fcb7294 100644 --- a/src/drivers/wifi/generic/generic.c +++ b/src/drivers/wifi/generic/generic.c @@ -1,241 +1,14 @@ /* SPDX-License-Identifier: GPL-2.0-only */
-#include <acpi/acpi_device.h> -#include <acpi/acpigen.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_def.h> #include <device/pci_ids.h> #include <elog.h> -#include <sar.h> -#include <wrdd.h> #include "chip.h" #include "wifi_private.h"
-/* WRDS Spec Revision */ -#define WRDS_REVISION 0x0 - -/* EWRD Spec Revision */ -#define EWRD_REVISION 0x0 - -/* WRDS Domain type */ -#define WRDS_DOMAIN_TYPE_WIFI 0x7 - -/* EWRD Domain type */ -#define EWRD_DOMAIN_TYPE_WIFI 0x7 - -/* WGDS Domain type */ -#define WGDS_DOMAIN_TYPE_WIFI 0x7 - -/* - * WIFI ACPI NAME = "WF" + hex value of last 8 bits of dev_path_encode + '\0' - * The above representation returns unique and consistent name every time - * generate_wifi_acpi_name is invoked. The last 8 bits of dev_path_encode is - * chosen since it contains the bus address of the device. - */ -#define WIFI_ACPI_NAME_MAX_LEN 5 - -#if CONFIG(HAVE_ACPI_TABLES) -__weak -int get_wifi_sar_limits(struct wifi_sar_limits *sar_limits) -{ - return -1; -} - -static void emit_sar_acpi_structures(const struct device *dev) -{ - int i, j, package_size; - struct wifi_sar_limits sar_limits; - struct wifi_sar_delta_table *wgds; - - /* CBFS SAR and SAR ACPI tables are currently used only by Intel WiFi devices. */ - if (dev->vendor != PCI_VENDOR_ID_INTEL) - return; - - /* Retrieve the sar limits data */ - if (get_wifi_sar_limits(&sar_limits) < 0) { - printk(BIOS_ERR, "Error: failed from getting SAR limits!\n"); - return; - } - - /* - * Name ("WRDS", Package () { - * Revision, - * Package () { - * Domain Type, // 0x7:WiFi - * WiFi SAR BIOS, // BIOS SAR Enable/disable - * SAR Table Set // Set#1 of SAR Table (10 bytes) - * } - * }) - */ - acpigen_write_name("WRDS"); - acpigen_write_package(2); - acpigen_write_dword(WRDS_REVISION); - /* Emit 'Domain Type' + 'WiFi SAR BIOS' + 10 bytes for Set#1 */ - package_size = 1 + 1 + BYTES_PER_SAR_LIMIT; - acpigen_write_package(package_size); - acpigen_write_dword(WRDS_DOMAIN_TYPE_WIFI); - acpigen_write_dword(CONFIG(SAR_ENABLE)); - for (i = 0; i < BYTES_PER_SAR_LIMIT; i++) - acpigen_write_byte(sar_limits.sar_limit[0][i]); - acpigen_pop_len(); - acpigen_pop_len(); - - /* - * Name ("EWRD", Package () { - * Revision, - * Package () { - * Domain Type, // 0x7:WiFi - * Dynamic SAR Enable, // Dynamic SAR Enable/disable - * Extended SAR sets, // Number of optional SAR table sets - * SAR Table Set, // Set#2 of SAR Table (10 bytes) - * SAR Table Set, // Set#3 of SAR Table (10 bytes) - * SAR Table Set // Set#4 of SAR Table (10 bytes) - * } - * }) - */ - acpigen_write_name("EWRD"); - acpigen_write_package(2); - acpigen_write_dword(EWRD_REVISION); - /* - * Emit 'Domain Type' + "Dynamic SAR Enable' + 'Extended SAR sets' - * + number of bytes for Set#2 & 3 & 4 - */ - package_size = 1 + 1 + 1 + (NUM_SAR_LIMITS - 1) * BYTES_PER_SAR_LIMIT; - acpigen_write_package(package_size); - acpigen_write_dword(EWRD_DOMAIN_TYPE_WIFI); - acpigen_write_dword(CONFIG(DSAR_ENABLE)); - acpigen_write_dword(CONFIG_DSAR_SET_NUM); - for (i = 1; i < NUM_SAR_LIMITS; i++) - for (j = 0; j < BYTES_PER_SAR_LIMIT; j++) - acpigen_write_byte(sar_limits.sar_limit[i][j]); - acpigen_pop_len(); - acpigen_pop_len(); - - if (!CONFIG(GEO_SAR_ENABLE)) - return; - - /* - * Name ("WGDS", Package() { - * Revision, - * Package() { - * DomainType, // 0x7:WiFi - * WgdsWiFiSarDeltaGroup1PowerMax1, // Group 1 FCC 2400 Max - * WgdsWiFiSarDeltaGroup1PowerChainA1, // Group 1 FCC 2400 A Offset - * WgdsWiFiSarDeltaGroup1PowerChainB1, // Group 1 FCC 2400 B Offset - * WgdsWiFiSarDeltaGroup1PowerMax2, // Group 1 FCC 5200 Max - * WgdsWiFiSarDeltaGroup1PowerChainA2, // Group 1 FCC 5200 A Offset - * WgdsWiFiSarDeltaGroup1PowerChainB2, // Group 1 FCC 5200 B Offset - * WgdsWiFiSarDeltaGroup2PowerMax1, // Group 2 EC Jap 2400 Max - * WgdsWiFiSarDeltaGroup2PowerChainA1, // Group 2 EC Jap 2400 A Offset - * WgdsWiFiSarDeltaGroup2PowerChainB1, // Group 2 EC Jap 2400 B Offset - * WgdsWiFiSarDeltaGroup2PowerMax2, // Group 2 EC Jap 5200 Max - * WgdsWiFiSarDeltaGroup2PowerChainA2, // Group 2 EC Jap 5200 A Offset - * WgdsWiFiSarDeltaGroup2PowerChainB2, // Group 2 EC Jap 5200 B Offset - * WgdsWiFiSarDeltaGroup3PowerMax1, // Group 3 ROW 2400 Max - * WgdsWiFiSarDeltaGroup3PowerChainA1, // Group 3 ROW 2400 A Offset - * WgdsWiFiSarDeltaGroup3PowerChainB1, // Group 3 ROW 2400 B Offset - * WgdsWiFiSarDeltaGroup3PowerMax2, // Group 3 ROW 5200 Max - * WgdsWiFiSarDeltaGroup3PowerChainA2, // Group 3 ROW 5200 A Offset - * WgdsWiFiSarDeltaGroup3PowerChainB2, // Group 3 ROW 5200 B Offset - * } - * }) - */ - - wgds = &sar_limits.wgds; - acpigen_write_name("WGDS"); - acpigen_write_package(2); - acpigen_write_dword(wgds->version); - /* Emit 'Domain Type' + - * Group specific delta of power (6 bytes * NUM_WGDS_SAR_GROUPS) - */ - package_size = sizeof(sar_limits.wgds.group) + 1; - acpigen_write_package(package_size); - acpigen_write_dword(WGDS_DOMAIN_TYPE_WIFI); - for (i = 0; i < SAR_NUM_WGDS_GROUPS; i++) { - acpigen_write_byte(wgds->group[i].power_max_2400mhz); - acpigen_write_byte(wgds->group[i].power_chain_a_2400mhz); - acpigen_write_byte(wgds->group[i].power_chain_b_2400mhz); - acpigen_write_byte(wgds->group[i].power_max_5200mhz); - acpigen_write_byte(wgds->group[i].power_chain_a_5200mhz); - acpigen_write_byte(wgds->group[i].power_chain_b_5200mhz); - } - - acpigen_pop_len(); - acpigen_pop_len(); -} - -static void wifi_generic_fill_ssdt(const struct device *dev) -{ - const char *path; - const struct drivers_wifi_generic_config *config = dev->chip_info; - - if (!dev->enabled) - return; - - path = acpi_device_path(dev->bus->dev); - if (!path) - return; - - /* Device */ - acpigen_write_scope(path); - acpigen_write_device(acpi_device_name(dev)); - acpi_device_write_uid(dev); - - if (dev->chip_ops) - acpigen_write_name_string("_DDN", dev->chip_ops->name); - - /* Address */ - acpigen_write_ADR_pci_device(dev); - - /* Wake capabilities */ - if (config) - acpigen_write_PRW(config->wake, ACPI_S3); - - /* Fill regulatory domain structure */ - if (CONFIG(HAVE_REGULATORY_DOMAIN)) { - /* - * Name ("WRDD", Package () { - * WRDD_REVISION, // Revision - * Package () { - * WRDD_DOMAIN_TYPE_WIFI, // Domain Type, 7:WiFi - * wifi_regulatory_domain() // Country Identifier - * } - * }) - */ - acpigen_write_name("WRDD"); - acpigen_write_package(2); - acpigen_write_integer(WRDD_REVISION); - acpigen_write_package(2); - acpigen_write_dword(WRDD_DOMAIN_TYPE_WIFI); - acpigen_write_dword(wifi_regulatory_domain()); - acpigen_pop_len(); - acpigen_pop_len(); - } - - /* Fill Wifi sar related ACPI structures */ - if (CONFIG(USE_SAR)) - emit_sar_acpi_structures(dev); - - acpigen_pop_len(); /* Device */ - acpigen_pop_len(); /* Scope */ - - printk(BIOS_INFO, "%s.%s: %s %s\n", path, acpi_device_name(dev), - dev->chip_ops ? dev->chip_ops->name : "", dev_path(dev)); -} - -static const char *wifi_generic_acpi_name(const struct device *dev) -{ - static char wifi_acpi_name[WIFI_ACPI_NAME_MAX_LEN]; - - /* ACPI 6.3, ASL 20.2.2: (Name Objects Encoding). */ - snprintf(wifi_acpi_name, sizeof(wifi_acpi_name), "WF%02X", - (dev_path_encode(dev) & 0xff)); - return wifi_acpi_name; -} -#endif - static void wifi_pci_dev_init(struct device *dev) { if (pci_dev_is_wake_source(dev)) diff --git a/src/drivers/wifi/generic/wifi_private.h b/src/drivers/wifi/generic/wifi_private.h index 11b9198..39cdfed 100644 --- a/src/drivers/wifi/generic/wifi_private.h +++ b/src/drivers/wifi/generic/wifi_private.h @@ -5,4 +5,7 @@
int smbios_write_wifi(struct device *dev, int *handle, unsigned long *current);
+const char *wifi_generic_acpi_name(const struct device *dev); +void wifi_generic_fill_ssdt(const struct device *dev); + #endif
-
Duncan Laurie (Code Review) -
Furquan Shaikh (Code Review)
-
Patrick Georgi (Code Review)