ath10k: add support for Ubiquiti rebranded QCA988X v2

Some modern Ubiquiti devices contain a rebranded QCA988X rev2 with
a custom Ubiquiti vendor and device id. This patch adds support for
those devices, treating them as a QCA988X v2.

Signed-off-by: Tobias Schramm <tobleminer@gmail.com>
[kvalo@codeaurora.org: rebase, add missing fields in hw_params, fix a long line in pci.c:61]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

3 files changed, 36 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index b0fdc1023619..6fb282f76804 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -91,6 +91,35 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
         },
         {
+                .id = QCA988X_HW_2_0_VERSION,
+                .dev_id = QCA988X_2_0_DEVICE_ID_UBNT,
+                .name = "qca988x hw2.0 ubiquiti",
+                .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
+                .uart_pin = 7,
+                .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
+                .otp_exe_param = 0,
+                .channel_counters_freq_hz = 88000,
+                .max_probe_resp_desc_thres = 0,
+                .cal_data_len = 2116,
+                .fw = {
+                        .dir = QCA988X_HW_2_0_FW_DIR,
+                        .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
+                        .board_size = QCA988X_BOARD_DATA_SZ,
+                        .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
+                },
+                .hw_ops = &qca988x_ops,
+                .decap_align_bytes = 4,
+                .spectral_bin_discard = 0,
+                .vht160_mcs_rx_highest = 0,
+                .vht160_mcs_tx_highest = 0,
+                .n_cipher_suites = 8,
+                .num_peers = TARGET_TLV_NUM_PEERS,
+                .ast_skid_limit = 0x10,
+                .num_wds_entries = 0x20,
+                .target_64bit = false,
+                .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
+        },
+        {
                 .id = QCA9887_HW_1_0_VERSION,
                 .dev_id = QCA9887_1_0_DEVICE_ID,
                 .name = "qca9887 hw1.0",
diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index 6203bc65799b..413b1b4321f7 100644
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -22,6 +22,7 @@
 
 #define ATH10K_FW_DIR                   "ath10k"
 
+#define QCA988X_2_0_DEVICE_ID_UBNT   (0x11ac)
 #define QCA988X_2_0_DEVICE_ID   (0x003c)
 #define QCA6164_2_1_DEVICE_ID   (0x0041)
 #define QCA6174_2_1_DEVICE_ID   (0x003e)
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 355db6a0fcf3..1b266cd0c2ec 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -58,6 +58,9 @@ MODULE_PARM_DESC(reset_mode, "0: auto, 1: warm only (default: 0)");
 #define ATH10K_DIAG_TRANSFER_LIMIT      0x5000
 
 static const struct pci_device_id ath10k_pci_id_table[] = {
+        /* PCI-E QCA988X V2 (Ubiquiti branded) */
+        { PCI_VDEVICE(UBIQUITI, QCA988X_2_0_DEVICE_ID_UBNT) },
+
         { PCI_VDEVICE(ATHEROS, QCA988X_2_0_DEVICE_ID) }, /* PCI-E QCA988X V2 */
         { PCI_VDEVICE(ATHEROS, QCA6164_2_1_DEVICE_ID) }, /* PCI-E QCA6164 V2.1 */
         { PCI_VDEVICE(ATHEROS, QCA6174_2_1_DEVICE_ID) }, /* PCI-E QCA6174 V2.1 */
@@ -74,6 +77,7 @@ static const struct ath10k_pci_supp_chip ath10k_pci_supp_chips[] = {
          * hacks. ath10k doesn't have them and these devices crash horribly
          * because of that.
          */
+        { QCA988X_2_0_DEVICE_ID_UBNT, QCA988X_HW_2_0_CHIP_ID_REV },
         { QCA988X_2_0_DEVICE_ID, QCA988X_HW_2_0_CHIP_ID_REV },
 
         { QCA6164_2_1_DEVICE_ID, QCA6174_HW_2_1_CHIP_ID_REV },
@@ -2193,6 +2197,7 @@ static int ath10k_pci_get_num_banks(struct ath10k *ar)
         struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 
         switch (ar_pci->pdev->device) {
+        case QCA988X_2_0_DEVICE_ID_UBNT:
         case QCA988X_2_0_DEVICE_ID:
         case QCA99X0_2_0_DEVICE_ID:
         case QCA9888_2_0_DEVICE_ID:
@@ -3424,6 +3429,7 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
         u32 (*targ_cpu_to_ce_addr)(struct ath10k *ar, u32 addr);
 
         switch (pci_dev->device) {
+        case QCA988X_2_0_DEVICE_ID_UBNT:
         case QCA988X_2_0_DEVICE_ID:
                 hw_rev = ATH10K_HW_QCA988X;
                 pci_ps = false;