diff options
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/intel/wifi/chip.h | 3 | ||||
| -rw-r--r-- | src/drivers/intel/wifi/wifi.c | 106 |
2 files changed, 96 insertions, 13 deletions
diff --git a/src/drivers/intel/wifi/chip.h b/src/drivers/intel/wifi/chip.h new file mode 100644 index 0000000000..117d39caf0 --- /dev/null +++ b/src/drivers/intel/wifi/chip.h @@ -0,0 +1,3 @@ +struct drivers_intel_wifi_config { + unsigned wake; /* Wake pin for ACPI _PRW */ +}; diff --git a/src/drivers/intel/wifi/wifi.c b/src/drivers/intel/wifi/wifi.c index 5ae5498c27..5661bf46dc 100644 --- a/src/drivers/intel/wifi/wifi.c +++ b/src/drivers/intel/wifi/wifi.c @@ -14,12 +14,16 @@ * GNU General Public License for more details. */ +#include <arch/acpi_device.h> +#include <arch/acpigen.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> #include <smbios.h> #include <string.h> +#include <wrdd.h> +#include "chip.h" static int smbios_write_wifi(struct device *dev, int *handle, unsigned long *current) @@ -32,15 +36,17 @@ static int smbios_write_wifi(struct device *dev, int *handle, char eos[2]; } __attribute__((packed)); - struct smbios_type_intel_wifi *t = (struct smbios_type_intel_wifi *)*current; + struct smbios_type_intel_wifi *t = + (struct smbios_type_intel_wifi *)*current; int len = sizeof(struct smbios_type_intel_wifi); memset(t, 0, sizeof(struct smbios_type_intel_wifi)); t->type = 0x85; t->length = len - 2; t->handle = *handle; - /* Intel wifi driver expects this string to be in the table 0x85 - with PCI IDs enumerated below. + /* + * Intel wifi driver expects this string to be in the table 0x85 + * with PCI IDs enumerated below. */ t->str = smbios_add_string(t->eos, "KHOIHGIUCCHHII"); @@ -50,30 +56,104 @@ static int smbios_write_wifi(struct device *dev, int *handle, return len; } +#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) +static void intel_wifi_fill_ssdt(struct device *dev) +{ + struct drivers_intel_wifi_config *config = dev->chip_info; + const char *path = acpi_device_path(dev->bus->dev); + u32 address; + + if (!path) + return; + + /* Device */ + acpigen_write_scope(path); + acpigen_write_device(acpi_device_name(dev)); + acpigen_write_name_integer("_UID", 0); + acpigen_write_name_string("_DDN", dev->chip_ops->name); + + /* Address */ + address = PCI_SLOT(dev->path.pci.devfn) & 0xffff; + address <<= 16; + address |= PCI_FUNC(dev->path.pci.devfn) & 0xffff; + acpigen_write_name_dword("_ADR", address); + + /* Wake capabilities */ + if (config && config->wake) + acpigen_write_PRW(config->wake, 3); + + /* Fill regulatory domain structure */ + if (IS_ENABLED(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(); + } + + acpigen_pop_len(); /* Device */ + acpigen_pop_len(); /* Scope */ + + printk(BIOS_INFO, "%s.%s: %s %s\n", path, acpi_device_name(dev), + dev->chip_ops->name, dev_path(dev)); +} + +static const char *intel_wifi_acpi_name(struct device *dev) +{ + return "WIFI"; +} +#endif + static struct pci_operations pci_ops = { .set_subsystem = pci_dev_set_subsystem, }; struct device_operations device_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = pci_dev_init, - .scan_bus = 0, - .enable = 0, - .get_smbios_data = smbios_write_wifi, - .ops_pci = &pci_ops, + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = pci_dev_init, + .get_smbios_data = smbios_write_wifi, + .ops_pci = &pci_ops, +#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) + .acpi_name = &intel_wifi_acpi_name, + .acpi_fill_ssdt_generator = &intel_wifi_fill_ssdt, +#endif }; - static const unsigned short pci_device_ids[] = { 0x0084, 0x0085, 0x0089, 0x008b, 0x008e, 0x0090, 0x0886, 0x0888, 0x0891, 0x0893, 0x0895, 0x088f, 0x4236, 0x4237, 0x4238, 0x4239, 0x423b, 0x423d, - 0 }; + 0x08b1, 0x08b2, /* Wilkins Peak 2 */ + 0x095a, 0x095b, /* Stone Peak 2 */ + 0 +}; static const struct pci_driver pch_intel_wifi __pci_driver = { .ops = &device_ops, .vendor = PCI_VENDOR_ID_INTEL, .devices = pci_device_ids, }; + +static void intel_wifi_enable(struct device *dev) +{ + dev->ops = &device_ops; +} + +struct chip_operations drivers_intel_wifi_ops = { + CHIP_NAME("Intel WiFi") + .enable_dev = &intel_wifi_enable +}; |