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Fri, 14 Nov 2025 02:22:38 -0800 (PST) Received: from [192.168.1.102] ([120.60.77.228]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2985c245edasm50883705ad.27.2025.11.14.02.22.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Nov 2025 02:22:38 -0800 (PST) From: Manivannan Sadhasivam Date: Fri, 14 Nov 2025 15:52:19 +0530 Subject: [PATCH 1/2] wifi: ath: Use static calibration variant table for devicetree platforms Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251114-ath-variant-tbl-v1-1-a9adfc49e3f3@oss.qualcomm.com> References: <20251114-ath-variant-tbl-v1-0-a9adfc49e3f3@oss.qualcomm.com> In-Reply-To: <20251114-ath-variant-tbl-v1-0-a9adfc49e3f3@oss.qualcomm.com> To: Jeff Johnson , Johannes Berg , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, ath10k@lists.infradead.org, ath11k@lists.infradead.org, devicetree@vger.kernel.org, ath12k@lists.infradead.org, Miaoqing Pan , Manivannan Sadhasivam X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=9048; i=manivannan.sadhasivam@oss.qualcomm.com; h=from:subject:message-id; bh=cvW46ry7pIu7R0scHAtxGzfzExIsVr93GRnzo1DinzM=; b=kA0DAAoBVZ8R5v6RzvUByyZiAGkXAt+gRDO6ct4MnDYCpj+7of6Rlq6JRvQD83YvuFDh1OlCx okBMwQAAQoAHRYhBGelQyqBSMvYpFgnl1WfEeb+kc71BQJpFwLfAAoJEFWfEeb+kc71OnAH/jZj 3GhZiZqzaHqWEyIiui5ye6ykDfO/Nw9NmHENl5f4Iov6+bW3OsekjVmUVUgdSl5K5Z8uymnY4R0 UsjaxQ9/Txv6zu+6f+X+Dos5mlm9GQ8fp4vKmi6iWdYokl3GjVrL2w6n7rFuNO/lLeEIkyCljCG MSp5k1PopCLRc939o6GTE0v8owgSqdHy347NiPWwYitvvlCOYu13JMCwSEc6ICUGiBCo+DkZosC UaZRRkWKWyM4nefLEYVPpUmJ26+TMqMWZ/3VVzN9o89usYN/ySs8d42nvgb7pnHPLF2ncGHeux8 15CI1wPpeyLYMf/roAaMAJdnem+4E3Av29NOepc= X-Developer-Key: i=manivannan.sadhasivam@oss.qualcomm.com; a=openpgp; fpr=C668AEC3C3188E4C611465E7488550E901166008 X-Proofpoint-GUID: OzJTfXSCuQkweMcqtMurAsz9m__iWH5U X-Proofpoint-ORIG-GUID: OzJTfXSCuQkweMcqtMurAsz9m__iWH5U X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTE0MDA4MiBTYWx0ZWRfX1lD0mHR1spZ0 HLw77jdl6ZOWLoTIuKX0NknXa3xhOLYTOcJst/UfIgYrsK1XudIxmM4Y87iUjE8xOdlp28ok9T+ TcCpu3iVG0I/8/UOejypZV9MQJV6s2SxiB99Bn9lgg2UKmFaIuCizRrO14PYGZUdLIn5+b4BdY7 xFkc7NHzjvCupLcNpX9foAjyafbmKp33ZT93tkHQEkKthVxieGQiwUF/QzocBa/wXBQGVcLMMvl hgVgjisy6GxXkU0dHPeaGUJBMwv38W28Ir35tLc1CDOd2T4afL+NjyZuB2YAFcoSzv9Gj+KJTZz ptBsSGXiNpA+YzGhFFhTYt97V0FxwaJjp1hhlpZAdXwJLv+X9IQaxDZ35IyC42Q2ZPjQYv2wV7E zIMUXdrRIh2VvgTt9jYMzZ98Y8lIIQ== X-Authority-Analysis: v=2.4 cv=IM8PywvG c=1 sm=1 tr=0 ts=691702f0 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=9R49FEQIXN7mQozuOwW6cA==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=u1Wyjy0uBQZ4QtDYgmYA:9 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-14_02,2025-11-13_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 malwarescore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 phishscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511140082 On devicetree platforms, ath{10k/11k} drivers rely on the presence of the 'qcom,*calibration-variant' property to select the correct calibration data for device variants with colliding IDs. But this property based selection has its own downside that it needs to be added to the devicetree node of the WLAN device, especially for PCI based devices. Currently, the users/vendors are forced to hardcode this property in the PCI device node. If a different device need to be attached to the slot, then the devicetree node also has to be changed. This approach is not scalable and creates a bad user experience. To get rid of this requirement, this commit introduces a static calibration variant table ath_calib_variant_table[], consisting of the platform model and the calibration variant for all upstream supported devices. The entries of this table are derived from the upstream DTS files. The newly introduced helper, ath_get_calib_variant() will parse the model name from devicetree and use it to do the variant lookup during runtime. If the platform model name doesn't match, it will fallback to the devicetree property based lookup. Going forward, the devicetree based lookup will be deprecated and this table will be used exclusively for devices connected to the devicetree based host platforms. Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.2.0.c2-00204-QCAMSLSWPLZ-1 Signed-off-by: Manivannan Sadhasivam --- drivers/net/wireless/ath/ath.h | 98 ++++++++++++++++++++++++++++++= ++++ drivers/net/wireless/ath/ath10k/core.c | 5 ++ drivers/net/wireless/ath/ath11k/core.c | 7 +++ 3 files changed, 110 insertions(+) diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h index 34654f710d8a1e63f65a47d4602e2035262a4d9e..d0a12151b7fc13355161c48ba1f= b200e4617ed11 100644 --- a/drivers/net/wireless/ath/ath.h +++ b/drivers/net/wireless/ath/ath.h @@ -21,6 +21,7 @@ #include #include #include +#include #include =20 /* @@ -336,4 +337,101 @@ static inline const char *ath_bus_type_to_string(enum= ath_bus_type bustype) return ath_bus_type_strings[bustype]; } =20 +static const struct __ath_calib_variant_table { + const char *machine; + const char *variant; +} ath_calib_variant_table[] =3D { + { "ALFA Network AP120C-AC", "ALFA-Network-AP120C-AC" }, + { "8devices Jalapeno", "8devices-Jalapeno" }, + { "Google cozmo board", "GO_COZMO" }, + { "Google damu board", "GO_DAMU" }, + { "Google fennel sku1 board", "GO_FENNEL" }, + { "Google fennel sku6 board", "GO_FENNEL" }, + { "Google fennel sku7 board", "GO_FENNEL" }, + { "Google fennel14 sku2 board", "GO_FENNEL14" }, + { "Google fennel14 sku0 board", "GO_FENNEL14" }, + { "Google juniper sku16 board", "GO_JUNIPER" }, + { "Google makomo sku0 board", "GO_FENNEL14" }, + { "Google makomo sku1 board", "GO_FENNEL14" }, + { "MediaTek kakadu board sku22", "GO_KAKADU" }, + { "MediaTek kakadu board", "GO_KAKADU" }, + { "Google katsu board", "GO_KATSU" }, + { "Google katsu sku38 board", "GO_KATSU" }, + { "MediaTek kodama sku16 board", "GO_KODAMA" }, + { "MediaTek kodama sku272 board", "GO_KODAMA" }, + { "MediaTek kodama sku288 board", "GO_KODAMA" }, + { "MediaTek kodama sku32 board", "GO_KODAMA" }, + { "MediaTek krane sku0 board", "LE_Krane" }, + { "MediaTek krane sku176 board", "LE_Krane" }, + { "Qualcomm Technologies, Inc. Lemans Ride Rev3", "QC_SA8775P_Ride" }, + { "Qualcomm Technologies, Inc. Lemans Ride", "QC_SA8775P_Ride" }, + { "Qualcomm SA8775P Ride Rev3", "QC_SA8775P_Ride" }, + { "Qualcomm SA8775P Ride", "QC_SA8775P_Ride" }, + { "Lenovo Miix 630", "Lenovo_Miix630" }, + { "Fairphone 5", "Fairphone_5" }, + { "Qualcomm Technologies, Inc. QCM6490 IDP", "Qualcomm_qcm6490idp" }, + { "SHIFT SHIFTphone 8", "SHIFTphone_8" }, + { "Qualcomm Technologies, Inc. QCS615 Ride", "QC_QCS615_Ride" }, + { "Qualcomm Technologies, Inc. Robotics RB3gen2", "Qualcomm_rb3gen2" }, + { "Qualcomm Technologies, Inc. Robotics RB1", "Thundercomm_RB1" }, + { "Qualcomm Technologies, Inc. QRB4210 RB2", "Thundercomm_RB2" }, + { "Google Homestar (rev2)", "GO_HOMESTAR" }, + { "Google Homestar (rev3)", "GO_HOMESTAR" }, + { "Google Homestar (rev4+)", "GO_HOMESTAR" }, + { "Google Kingoftown", "GO_KINGOFTOWN" }, + { "Google Lazor Limozeen without Touchscreen (rev10+)", "GO_LAZOR" }, + { "Google Lazor Limozeen without Touchscreen (rev5 - rev8)", "GO_LAZOR" }, + { "Google Lazor Limozeen without Touchscreen (rev9)", "GO_LAZOR" }, + { "Google Lazor Limozeen (rev10+)", "GO_LAZOR" }, + { "Google Lazor Limozeen (rev4 - rev8)", "GO_LAZOR" }, + { "Google Lazor Limozeen (rev9)", "GO_LAZOR" }, + { "Google Lazor (rev1 - 2)", "GO_LAZOR" }, + { "Google Lazor (rev10+) with KB Backlight", "GO_LAZOR" }, + { "Google Lazor (rev10+) with LTE", "GO_LAZOR" }, + { "Google Lazor (rev10+)", "GO_LAZOR" }, + { "Google Lazor (rev3 - 8) with KB Backlight", "GO_LAZOR" }, + { "Google Lazor (rev3 - 8) with LTE", "GO_LAZOR" }, + { "Google Lazor (rev3 - 8)", "GO_LAZOR" }, + { "Google Lazor (rev9) with KB Backlight", "GO_LAZOR" }, + { "Google Lazor (rev9) with LTE", "GO_LAZOR" }, + { "Google Lazor (rev9)", "GO_LAZOR" }, + { "Google Pazquel (Parade,LTE)", "GO_PAZQUEL360" }, + { "Google Pazquel (Parade,WIFI-only)", "GO_PAZQUEL360" }, + { "Google Pompom (rev1)", "GO_POMPOM" }, + { "Google Pompom (rev2)", "GO_POMPOM" }, + { "Google Pompom (rev3+)", "GO_POMPOM" }, + { "Google Wormdingler rev1+ (BOE, rt5682s)", "GO_WORMDINGLER" }, + { "Google Wormdingler rev1+ BOE panel board", "GO_WORMDINGLER" }, + { "Google Wormdingler rev1+ (INX, rt5682s)", "GO_WORMDINGLER" }, + { "Google Wormdingler rev1+ INX panel board", "GO_WORMDINGLER" }, + { "Qualcomm SC8280XP CRD", "QC_8280XP_CRD" }, + { "Lenovo ThinkPad X13s", "LE_X13S" }, + { "Microsoft Surface Pro 9 5G", "MS_SP9_5G" }, + { "Windows Dev Kit 2023", "MS_Volterra" }, + { "Inforce 6560 Single Board Computer", "Inforce_IFC6560" }, + { "Thundercomm Dragonboard 845c", "Thundercomm_DB845C" }, + { "Qualcomm Technologies, Inc. SDM845 MTP", "Qualcomm_sdm845mtp" }, + { "Lenovo Yoga C630", "Lenovo_C630" }, + { "F(x)tec Pro1X (QX1050)", "Fxtec_QX1050" }, + { "Lenovo Tab P11", "Lenovo_P11" }, + { "Qualcomm Technologies, Inc. SM8150 HDK", "Qualcomm_sm8150hdk" }, + { "Xiaomi Mi Pad 5 Pro (BOE)", "Xiaomi_Pad_5Pro" }, + { "Xiaomi Mi Pad 5 Pro (CSOT)", "Xiaomi_Pad_5Pro" }, + { "ASUS Zenbook A14 (UX3407QA)", "UX3407Q" }, + { "Google Scarlet", "GO_DUMO" }, + { /* Sentinel */ } +}; + +static inline const char *ath_get_calib_variant(void) +{ + const struct __ath_calib_variant_table *entry =3D ath_calib_variant_table; + struct device_node *root __free(device_node) =3D of_find_node_by_path("/"= ); + const char *model =3D of_get_property(root, "model", NULL); + + while ((entry->machine) && strcmp(entry->machine, model)) + entry++; + + return entry->machine ? entry->variant : NULL; +} + #endif /* ATH_H */ diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/= ath/ath10k/core.c index 6f78f1752cd6ffcf8eb56621ba0e4978ac23e696..099b8592d50bfac37c54dee7b0a= a660ac126a410 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -1161,6 +1161,10 @@ int ath10k_core_check_dt(struct ath10k *ar) struct device_node *node; const char *variant =3D NULL; =20 + variant =3D ath_get_calib_variant(); + if (variant) + goto copy_variant; + node =3D ar->dev->of_node; if (!node) return -ENOENT; @@ -1173,6 +1177,7 @@ int ath10k_core_check_dt(struct ath10k *ar) if (!variant) return -ENODATA; =20 +copy_variant: if (strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext)) < 0) ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant string is longer than the buffer can accommodate (varia= nt: %s)\n", diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/= ath/ath11k/core.c index 2810752260f2f7eee226f88d5aea7cdabe7e9ed4..2db067d6357c8848ede7384ec4a= 615ca22282650 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -20,6 +20,8 @@ #include "wow.h" #include "fw.h" =20 +#include "../ath.h" + unsigned int ath11k_debug_mask; EXPORT_SYMBOL(ath11k_debug_mask); module_param_named(debug_mask, ath11k_debug_mask, uint, 0644); @@ -1362,6 +1364,10 @@ int ath11k_core_check_dt(struct ath11k_base *ab) const char *variant =3D NULL; struct device_node *node; =20 + variant =3D ath_get_calib_variant(); + if (variant) + goto copy_variant; + node =3D ab->dev->of_node; if (!node) return -ENOENT; @@ -1374,6 +1380,7 @@ int ath11k_core_check_dt(struct ath11k_base *ab) if (!variant) return -ENODATA; =20 +copy_variant: if (strscpy(ab->qmi.target.bdf_ext, variant, max_len) < 0) ath11k_dbg(ab, ATH11K_DBG_BOOT, "bdf variant string is longer than the buffer can accommodate (varia= nt: %s)\n", --=20 2.48.1