rtw89: update Realtek's rtw89 driver.

This adds support for the Realtek 8922AE PCI
wireless network (Wi-Fi 7) adapter.

This version is based on
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
98f7e32f20d28ec452afb208f9cffc08448a2652 ( tag: v6.11 ).

Sponsored by:   The FreeBSD Foundation

(cherry picked from commit 6d67aabd63555ab62a2f2b7f52a75ef100a2fe75)

sys/contrib/dev/rtw89/Kconfig

@@ -22,12 +22,18 @@ config RTW89_8851B
 config RTW89_8852A
 	tristate
 
+config RTW89_8852B_COMMON
+	tristate
+
 config RTW89_8852B
 	tristate
 
 config RTW89_8852C
 	tristate
 
+config RTW89_8922A
+	tristate
+
 config RTW89_8851BE
 	tristate "Realtek 8851BE PCI wireless network (Wi-Fi 6) adapter"
 	depends on PCI
@@ -56,6 +62,7 @@ config RTW89_8852BE
 	select RTW89_CORE
 	select RTW89_PCI
 	select RTW89_8852B
+	select RTW89_8852B_COMMON
 	help
 	  Select this option will enable support for 8852BE chipset
 
@@ -72,6 +79,18 @@ config RTW89_8852CE
 
 	  802.11ax PCIe wireless network (Wi-Fi 6E) adapter
 
+config RTW89_8922AE
+	tristate "Realtek 8922AE PCI wireless network (Wi-Fi 7) adapter"
+	depends on PCI
+	select RTW89_CORE
+	select RTW89_PCI
+	select RTW89_8922A
+	help
+	  Select this option will enable support for 8922AE chipset
+
+	  802.11be PCIe wireless network (Wi-Fi 7) adapter
+	  supporting 2x2 2GHz/5GHz/6GHz 4096-QAM 160MHz channels.
+
 config RTW89_DEBUG
 	bool
 

sys/contrib/dev/rtw89/Makefile

@@ -4,17 +4,21 @@ obj-$(CONFIG_RTW89_CORE) += rtw89_core.o
 rtw89_core-y += core.o \
 		mac80211.o \
 		mac.o \
+		mac_be.o \
 		phy.o \
+		phy_be.o \
 		fw.o \
 		cam.o \
 		efuse.o \
+		efuse_be.o \
 		regd.o \
 		sar.o \
 		coex.o \
 		ps.o \
 		chan.o \
 		ser.o \
-		acpi.o
+		acpi.o \
+		util.o
 
 rtw89_core-$(CONFIG_PM) += wow.o
 
@@ -36,6 +40,9 @@ rtw89_8852a-objs := rtw8852a.o \
 obj-$(CONFIG_RTW89_8852AE) += rtw89_8852ae.o
 rtw89_8852ae-objs := rtw8852ae.o
 
+obj-$(CONFIG_RTW89_8852B_COMMON) += rtw89_8852b_common.o
+rtw89_8852b_common-objs := rtw8852b_common.o
+
 obj-$(CONFIG_RTW89_8852B) += rtw89_8852b.o
 rtw89_8852b-objs := rtw8852b.o \
 		    rtw8852b_table.o \
@@ -54,8 +61,15 @@ rtw89_8852c-objs := rtw8852c.o \
 obj-$(CONFIG_RTW89_8852CE) += rtw89_8852ce.o
 rtw89_8852ce-objs := rtw8852ce.o
 
+obj-$(CONFIG_RTW89_8922A) += rtw89_8922a.o
+rtw89_8922a-objs := rtw8922a.o \
+		    rtw8922a_rfk.o
+
+obj-$(CONFIG_RTW89_8922AE) += rtw89_8922ae.o
+rtw89_8922ae-objs := rtw8922ae.o
+
 rtw89_core-$(CONFIG_RTW89_DEBUG) += debug.o
 
 obj-$(CONFIG_RTW89_PCI) += rtw89_pci.o
-rtw89_pci-y := pci.o
+rtw89_pci-y := pci.o pci_be.o
 

sys/contrib/dev/rtw89/acpi.c

@@ -13,47 +13,146 @@ static const guid_t rtw89_guid = GUID_INIT(0xD2A8C3E8, 0x4B69, 0x4F00,
 					   0x82, 0xBD, 0xFE, 0x86,
 					   0x07, 0x80, 0x3A, 0xA7);
 
-static int rtw89_acpi_dsm_get(struct rtw89_dev *rtwdev, union acpi_object *obj,
-			      u8 *value)
+static
+int rtw89_acpi_dsm_get_value(struct rtw89_dev *rtwdev, union acpi_object *obj,
+			     u8 *value)
 {
-	switch (obj->type) {
-	case ACPI_TYPE_INTEGER:
-		*value = (u8)obj->integer.value;
-		break;
-	case ACPI_TYPE_BUFFER:
-		*value = obj->buffer.pointer[0];
-		break;
-	default:
-		rtw89_debug(rtwdev, RTW89_DBG_UNEXP,
-			    "acpi dsm return unhandled type: %d\n", obj->type);
+	if (obj->type != ACPI_TYPE_INTEGER) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI,
+			    "acpi: expect integer but type: %d\n", obj->type);
 		return -EINVAL;
 	}
 
+	*value = (u8)obj->integer.value;
+	return 0;
+}
+
+static bool chk_acpi_policy_6ghz_sig(const struct rtw89_acpi_policy_6ghz *p)
+{
+	return p->signature[0] == 0x00 &&
+	       p->signature[1] == 0xE0 &&
+	       p->signature[2] == 0x4C;
+}
+
+static
+int rtw89_acpi_dsm_get_policy_6ghz(struct rtw89_dev *rtwdev,
+				   union acpi_object *obj,
+				   struct rtw89_acpi_policy_6ghz **policy_6ghz)
+{
+	const struct rtw89_acpi_policy_6ghz *ptr;
+	u32 expect_len;
+	u32 len;
+
+	if (obj->type != ACPI_TYPE_BUFFER) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI,
+			    "acpi: expect buffer but type: %d\n", obj->type);
+		return -EINVAL;
+	}
+
+	len = obj->buffer.length;
+	if (len < sizeof(*ptr)) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI, "%s: invalid buffer length: %u\n",
+			    __func__, len);
+		return -EINVAL;
+	}
+
+	ptr = (typeof(ptr))obj->buffer.pointer;
+	if (!chk_acpi_policy_6ghz_sig(ptr)) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI, "%s: bad signature\n", __func__);
+		return -EINVAL;
+	}
+
+	expect_len = struct_size(ptr, country_list, ptr->country_count);
+	if (len < expect_len) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI, "%s: expect %u but length: %u\n",
+			    __func__, expect_len, len);
+		return -EINVAL;
+	}
+
+	*policy_6ghz = kmemdup(ptr, expect_len, GFP_KERNEL);
+	if (!*policy_6ghz)
+		return -ENOMEM;
+
+	rtw89_hex_dump(rtwdev, RTW89_DBG_ACPI, "policy_6ghz: ", *policy_6ghz,
+		       expect_len);
+	return 0;
+}
+
+static bool chk_acpi_policy_6ghz_sp_sig(const struct rtw89_acpi_policy_6ghz_sp *p)
+{
+	return p->signature[0] == 0x52 &&
+	       p->signature[1] == 0x54 &&
+	       p->signature[2] == 0x4B &&
+	       p->signature[3] == 0x07;
+}
+
+static
+int rtw89_acpi_dsm_get_policy_6ghz_sp(struct rtw89_dev *rtwdev,
+				      union acpi_object *obj,
+				      struct rtw89_acpi_policy_6ghz_sp **policy)
+{
+	const struct rtw89_acpi_policy_6ghz_sp *ptr;
+	u32 buf_len;
+
+	if (obj->type != ACPI_TYPE_BUFFER) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI,
+			    "acpi: expect buffer but type: %d\n", obj->type);
+		return -EINVAL;
+	}
+
+	buf_len = obj->buffer.length;
+	if (buf_len < sizeof(*ptr)) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI, "%s: invalid buffer length: %u\n",
+			    __func__, buf_len);
+		return -EINVAL;
+	}
+
+	ptr = (typeof(ptr))obj->buffer.pointer;
+	if (!chk_acpi_policy_6ghz_sp_sig(ptr)) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI, "%s: bad signature\n", __func__);
+		return -EINVAL;
+	}
+
+	*policy = kmemdup(ptr, sizeof(*ptr), GFP_KERNEL);
+	if (!*policy)
+		return -ENOMEM;
+
+	rtw89_hex_dump(rtwdev, RTW89_DBG_ACPI, "policy_6ghz_sp: ", *policy,
+		       sizeof(*ptr));
 	return 0;
 }
 
 int rtw89_acpi_evaluate_dsm(struct rtw89_dev *rtwdev,
-			    enum rtw89_acpi_dsm_func func, u8 *value)
+			    enum rtw89_acpi_dsm_func func,
+			    struct rtw89_acpi_dsm_result *res)
 {
 	union acpi_object *obj;
 	int ret;
 
 	obj = acpi_evaluate_dsm(ACPI_HANDLE(rtwdev->dev), &rtw89_guid,
 				0, func, NULL);
 	if (!obj) {
-		rtw89_debug(rtwdev, RTW89_DBG_UNEXP,
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI,
 			    "acpi dsm fail to evaluate func: %d\n", func);
 		return -ENOENT;
 	}
 
-	ret = rtw89_acpi_dsm_get(rtwdev, obj, value);
+	if (func == RTW89_ACPI_DSM_FUNC_6G_BP)
+		ret = rtw89_acpi_dsm_get_policy_6ghz(rtwdev, obj,
+						     &res->u.policy_6ghz);
+	else if (func == RTW89_ACPI_DSM_FUNC_6GHZ_SP_SUP)
+		ret = rtw89_acpi_dsm_get_policy_6ghz_sp(rtwdev, obj,
+							&res->u.policy_6ghz_sp);
+	else
+		ret = rtw89_acpi_dsm_get_value(rtwdev, obj, &res->u.value);
 
 	ACPI_FREE(obj);
 	return ret;
 }
 #elif defined(__FreeBSD__)
 int rtw89_acpi_evaluate_dsm(struct rtw89_dev *rtwdev,
-			    enum rtw89_acpi_dsm_func func, u8 *value)
+			    enum rtw89_acpi_dsm_func func,
+			    struct rtw89_acpi_dsm_result *res)
 {
 	return -ENOENT;
 }

sys/contrib/dev/rtw89/acpi.h

@@ -12,10 +12,59 @@ enum rtw89_acpi_dsm_func {
 	RTW89_ACPI_DSM_FUNC_6G_DIS = 3,
 	RTW89_ACPI_DSM_FUNC_6G_BP = 4,
 	RTW89_ACPI_DSM_FUNC_TAS_EN = 5,
-	RTW89_ACPI_DSM_FUNC_59G_EN = 6,
+	RTW89_ACPI_DSM_FUNC_UNII4_SUP = 6,
+	RTW89_ACPI_DSM_FUNC_6GHZ_SP_SUP = 7,
+};
+
+enum rtw89_acpi_conf_unii4 {
+	RTW89_ACPI_CONF_UNII4_FCC = BIT(0),
+	RTW89_ACPI_CONF_UNII4_IC = BIT(1),
+};
+
+enum rtw89_acpi_policy_mode {
+	RTW89_ACPI_POLICY_BLOCK = 0,
+	RTW89_ACPI_POLICY_ALLOW = 1,
+};
+
+struct rtw89_acpi_country_code {
+	/* below are allowed:
+	 * * ISO alpha2 country code
+	 * * EU for countries in Europe
+	 */
+	char alpha2[2];
+} __packed;
+
+struct rtw89_acpi_policy_6ghz {
+	u8 signature[3];
+	u8 rsvd;
+	u8 policy_mode;
+	u8 country_count;
+	struct rtw89_acpi_country_code country_list[] __counted_by(country_count);
+} __packed;
+
+enum rtw89_acpi_conf_6ghz_sp {
+	RTW89_ACPI_CONF_6GHZ_SP_US = BIT(0),
+};
+
+struct rtw89_acpi_policy_6ghz_sp {
+	u8 signature[4];
+	u8 revision;
+	u8 override;
+	u8 conf;
+	u8 rsvd;
+} __packed;
+
+struct rtw89_acpi_dsm_result {
+	union {
+		u8 value;
+		/* caller needs to free it after using */
+		struct rtw89_acpi_policy_6ghz *policy_6ghz;
+		struct rtw89_acpi_policy_6ghz_sp *policy_6ghz_sp;
+	} u;
 };
 
 int rtw89_acpi_evaluate_dsm(struct rtw89_dev *rtwdev,
-			    enum rtw89_acpi_dsm_func func, u8 *value);
+			    enum rtw89_acpi_dsm_func func,
+			    struct rtw89_acpi_dsm_result *res);
 
 #endif