From 2af5deb614e7bc9367aadf9105e37c8299120af4 Mon Sep 17 00:00:00 2001 From: Jeffrey Hugo Date: Fri, 4 Oct 2024 10:40:33 -0600 Subject: [PATCH] accel/qaic: Add ipc_router channel The ipc_router channel allows AF_QIPCRTR clients and services to communicate with the AIC100 device. The ipc_router MHI transport layer expects the channel to be named exactly "IPCR". Reviewed-by: Carl Vanderlip Signed-off-by: Jeffrey Hugo Reviewed-by: Jacek Lawrynowicz Link: https://patchwork.freedesktop.org/patch/msgid/20241004164033.3825986-1-quic_jhugo@quicinc.com --- Documentation/accel/qaic/aic100.rst | 2 ++ drivers/accel/qaic/mhi_controller.c | 32 +++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/Documentation/accel/qaic/aic100.rst b/Documentation/accel/qaic/aic100.rst index 590dae77ea12..273da6192fb3 100644 --- a/Documentation/accel/qaic/aic100.rst +++ b/Documentation/accel/qaic/aic100.rst @@ -229,6 +229,8 @@ of the defined channels, and their uses. | _PERIODIC | | | timestamps in the device side logs with| | | | | the host time source. | +----------------+---------+----------+----------------------------------------+ +| IPCR | 24 & 25 | AMSS | AF_QIPCRTR clients and servers. | ++----------------+---------+----------+----------------------------------------+ DMA Bridge ========== diff --git a/drivers/accel/qaic/mhi_controller.c b/drivers/accel/qaic/mhi_controller.c index ada9b1eb0787..8ab82e78dd94 100644 --- a/drivers/accel/qaic/mhi_controller.c +++ b/drivers/accel/qaic/mhi_controller.c @@ -405,6 +405,38 @@ static const struct mhi_channel_config aic100_channels[] = { .auto_queue = false, .wake_capable = false, }, + { + .name = "IPCR", + .num = 24, + .num_elements = 32, + .local_elements = 0, + .event_ring = 0, + .dir = DMA_TO_DEVICE, + .ee_mask = MHI_CH_EE_AMSS, + .pollcfg = 0, + .doorbell = MHI_DB_BRST_DISABLE, + .lpm_notify = false, + .offload_channel = false, + .doorbell_mode_switch = false, + .auto_queue = false, + .wake_capable = false, + }, + { + .name = "IPCR", + .num = 25, + .num_elements = 32, + .local_elements = 0, + .event_ring = 0, + .dir = DMA_FROM_DEVICE, + .ee_mask = MHI_CH_EE_AMSS, + .pollcfg = 0, + .doorbell = MHI_DB_BRST_DISABLE, + .lpm_notify = false, + .offload_channel = false, + .doorbell_mode_switch = false, + .auto_queue = true, + .wake_capable = false, + }, }; static struct mhi_event_config aic100_events[] = { -- 2.25.1