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[76.224.4.192]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7da0a0f2bf9sm6452102a34.0.2026.03.30.12.57.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Mar 2026 12:57:08 -0700 (PDT) From: hoff.benjamin.k@gmail.com To: linux-media@vger.kernel.org Cc: linux-kernel@vger.kernel.org, mchehab@kernel.org, hverkuil+cisco@kernel.org, Ben Hoff Subject: [PATCH v3 0/2] media: pci: add AVMatrix HWS capture driver Date: Mon, 30 Mar 2026 15:56:53 -0400 Message-ID: <20260330195703.304466-1-hoff.benjamin.k@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260318001056.465071-1-hoff.benjamin.k@gmail.com> References: <20260318001056.465071-1-hoff.benjamin.k@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Ben Hoff Hi, This series adds an in-tree AVMatrix HWS PCIe capture driver and a matching MAINTAINERS entry. Compared to v2, this revision makes mode-change handling explicit and removes the previously unvalidated power-present reporting path. Changes since v2: - keep scratch DMA allocation on a single probe-owned path - avoid double-freeing V4L2 control handlers on register unwind - drop the extra per-node resolution sysfs ABI - turn live geometry changes into explicit SOURCE_CHANGE renegotiation - report live DV timings and reject attempts to retime a live source - stop advertising RESOLUTION source changes for fps-only updates - keep live fps state across harmless S_FMT restarts - stop exposing an unvalidated DV RX power-present signal - clean the imported sources for checkpatch and W=1 builds Validation: - make -C /lib/modules/$(uname -r)/build M=drivers/media/pci/hws W=1 CONFIG_VIDEO_HWS=m modules - scripts/checkpatch.pl --strict --file drivers/media/pci/hws/* - v4l2-compliance 1.32.0: 51 tests succeeded, 0 failed, 1 warning The remaining v4l2-compliance warning is: - V4L2_CID_DV_RX_POWER_PRESENT not found for input 0 DV_RX_POWER_PRESENT is intentionally left unsupported in this revision because current hardware evidence does not expose a validated receiver-side power-detect signal distinct from active video presence. Ben Hoff (2): media: pci: add AVMatrix HWS capture driver MAINTAINERS: add entry for AVMatrix HWS driver MAINTAINERS | 6 + drivers/media/pci/Kconfig | 1 + drivers/media/pci/Makefile | 1 + drivers/media/pci/hws/Kconfig | 12 + drivers/media/pci/hws/Makefile | 4 + drivers/media/pci/hws/hws.h | 174 +++ drivers/media/pci/hws/hws_irq.c | 271 +++++ drivers/media/pci/hws/hws_irq.h | 10 + drivers/media/pci/hws/hws_pci.c | 864 ++++++++++++++ drivers/media/pci/hws/hws_reg.h | 136 +++ drivers/media/pci/hws/hws_v4l2_ioctl.c | 924 +++++++++++++++ drivers/media/pci/hws/hws_v4l2_ioctl.h | 36 + drivers/media/pci/hws/hws_video.c | 1504 ++++++++++++++++++++++++ drivers/media/pci/hws/hws_video.h | 29 + 14 files changed, 3972 insertions(+) create mode 100644 drivers/media/pci/hws/Kconfig create mode 100644 drivers/media/pci/hws/Makefile create mode 100644 drivers/media/pci/hws/hws.h create mode 100644 drivers/media/pci/hws/hws_irq.c create mode 100644 drivers/media/pci/hws/hws_irq.h create mode 100644 drivers/media/pci/hws/hws_pci.c create mode 100644 drivers/media/pci/hws/hws_reg.h create mode 100644 drivers/media/pci/hws/hws_v4l2_ioctl.c create mode 100644 drivers/media/pci/hws/hws_v4l2_ioctl.h create mode 100644 drivers/media/pci/hws/hws_video.c create mode 100644 drivers/media/pci/hws/hws_video.h -- 2.53.0