[PATCH 2/7] wifi: ath11k: enable support for WCN6851

From: Dmitry Baryshkov

Date: Mon Jun 01 2026 - 06:04:52 EST

The WCN6851, found e.g. on SM8350 platforms, is an earlier version of
WCN6855 platform. It identifies itself as hw1.1. Copy WCN6855 hw 2.0
configuration to support hw1.1 version.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath11k/core.c | 92 ++++++++++++++++++++++++++++++++++
drivers/net/wireless/ath/ath11k/core.h | 1 +
drivers/net/wireless/ath/ath11k/mhi.c | 1 +
drivers/net/wireless/ath/ath11k/pci.c | 9 ++++
drivers/net/wireless/ath/ath11k/pcic.c | 11 ++++
5 files changed, 114 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c
index 3f6f4db5b7ee..7e997016cf6e 100644
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -393,6 +393,98 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
.cfr_num_stream_bufs = 0,
.cfr_stream_buf_size = 0,
},
+ {
+ .name = "wcn6855 hw1.1",
+ .hw_rev = ATH11K_HW_WCN6855_HW11,
+ .fw = {
+ .dir = "WCN6855/hw1.1",
+ .board_size = 256 * 1024,
+ .cal_offset = 128 * 1024,
+ },
+ .max_radios = 3,
+ .bdf_addr = 0x4B0C0000,
+ .hw_ops = &wcn6855_ops,
+ .ring_mask = &ath11k_hw_ring_mask_qca6390,
+ .internal_sleep_clock = true,
+ .regs = &wcn6855_regs,
+ .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCA6390,
+ .host_ce_config = ath11k_host_ce_config_qca6390,
+ .ce_count = 9,
+ .target_ce_config = ath11k_target_ce_config_wlan_qca6390,
+ .target_ce_count = 9,
+ .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
+ .svc_to_ce_map_len = 14,
+ .ce_ie_addr = &ath11k_ce_ie_addr_ipq8074,
+ .single_pdev_only = true,
+ .rxdma1_enable = false,
+ .num_rxdma_per_pdev = 2,
+ .rx_mac_buf_ring = true,
+ .vdev_start_delay = true,
+ .htt_peer_map_v2 = false,
+
+ .spectral = {
+ .fft_sz = 0,
+ .fft_pad_sz = 0,
+ .summary_pad_sz = 0,
+ .fft_hdr_len = 0,
+ .max_fft_bins = 0,
+ .fragment_160mhz = false,
+ },
+
+ .interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO),
+ .supports_monitor = false,
+ .full_monitor_mode = false,
+ .supports_shadow_regs = true,
+ .idle_ps = true,
+ .supports_sta_ps = true,
+ .coldboot_cal_mm = false,
+ .coldboot_cal_ftm = false,
+ .cbcal_restart_fw = false,
+ .fw_mem_mode = 0,
+ .num_vdevs = 2 + 1,
+ .num_peers = 512,
+ .supports_suspend = true,
+ .hal_desc_sz = sizeof(struct hal_rx_desc_wcn6855),
+ .supports_regdb = true,
+ .fix_l1ss = false,
+ .credit_flow = true,
+ .hal_params = &ath11k_hw_hal_params_qca6390,
+ .supports_dynamic_smps_6ghz = false,
+ .alloc_cacheable_memory = false,
+ .supports_rssi_stats = true,
+ .fw_wmi_diag_event = true,
+ .current_cc_support = true,
+ .dbr_debug_support = false,
+ .global_reset = true,
+ .bios_sar_capa = &ath11k_hw_sar_capa_wcn6855,
+ .m3_fw_support = true,
+ .fixed_bdf_addr = false,
+ .fixed_mem_region = false,
+ .static_window_map = false,
+ .hybrid_bus_type = false,
+ .fixed_fw_mem = false,
+ .support_off_channel_tx = true,
+ .supports_multi_bssid = true,
+
+ .sram_dump = {
+ .start = 0x01400000,
+ .end = 0x0177ffff,
+ },
+
+ .tcl_ring_retry = true,
+ .tx_ring_size = DP_TCL_DATA_RING_SIZE,
+ .smp2p_wow_exit = false,
+ .support_fw_mac_sequence = true,
+ .support_dual_stations = true,
+ .pdev_suspend = false,
+ .cfr_support = false,
+ .cfr_num_stream_bufs = 0,
+ .cfr_stream_buf_size = 0,
+ },
{
.name = "wcn6855 hw2.0",
.hw_rev = ATH11K_HW_WCN6855_HW20,
diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index a0d725923ef2..29727ee94bfc 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -147,6 +147,7 @@ enum ath11k_hw_rev {
ATH11K_HW_QCA6390_HW20,
ATH11K_HW_IPQ6018_HW10,
ATH11K_HW_QCN9074_HW10,
+ ATH11K_HW_WCN6855_HW11,
ATH11K_HW_WCN6855_HW20,
ATH11K_HW_WCN6855_HW21,
ATH11K_HW_WCN6750_HW10,
diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c
index a6c9ff112c68..c94546c367a7 100644
--- a/drivers/net/wireless/ath/ath11k/mhi.c
+++ b/drivers/net/wireless/ath/ath11k/mhi.c
@@ -393,6 +393,7 @@ int ath11k_mhi_register(struct ath11k_pci *ab_pci)
ath11k_mhi_config = &ath11k_mhi_config_qcn9074;
break;
case ATH11K_HW_QCA6390_HW20:
+ case ATH11K_HW_WCN6855_HW11:
case ATH11K_HW_WCN6855_HW20:
case ATH11K_HW_WCN6855_HW21:
case ATH11K_HW_QCA2066_HW21:
diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c
index 35bb9e7a63a2..dc1dfd219d88 100644
--- a/drivers/net/wireless/ath/ath11k/pci.c
+++ b/drivers/net/wireless/ath/ath11k/pci.c
@@ -1031,6 +1031,15 @@ static int ath11k_pci_probe(struct pci_dev *pdev,
ath11k_pci_read_hw_version(ab, &soc_hw_version_major,
&soc_hw_version_minor);
switch (soc_hw_version_major) {
+ case 1:
+ switch (soc_hw_version_minor) {
+ case 0x10:
+ ab->hw_rev = ATH11K_HW_WCN6855_HW11;
+ break;
+ default:
+ goto unsupported_wcn6855_soc;
+ }
+ break;
case 2:
switch (soc_hw_version_minor) {
case 0x00:
diff --git a/drivers/net/wireless/ath/ath11k/pcic.c b/drivers/net/wireless/ath/ath11k/pcic.c
index fc6e7da05c60..0f4dc05cc5b5 100644
--- a/drivers/net/wireless/ath/ath11k/pcic.c
+++ b/drivers/net/wireless/ath/ath11k/pcic.c
@@ -86,6 +86,17 @@ static const struct ath11k_msi_config ath11k_msi_config[] = {
},
.hw_rev = ATH11K_HW_QCN9074_HW10,
},
+ {
+ .total_vectors = 32,
+ .total_users = 4,
+ .users = (struct ath11k_msi_user[]) {
+ { .name = "MHI", .num_vectors = 3, .base_vector = 0 },
+ { .name = "CE", .num_vectors = 10, .base_vector = 3 },
+ { .name = "WAKE", .num_vectors = 1, .base_vector = 13 },
+ { .name = "DP", .num_vectors = 18, .base_vector = 14 },
+ },
+ .hw_rev = ATH11K_HW_WCN6855_HW11,
+ },
{
.total_vectors = 32,
.total_users = 4,

--
2.47.3