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authorLoic Poulain <loic.poulain@linaro.org>2021-01-04 17:14:58 +0100
committerManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>2021-01-04 21:50:25 +0530
commit4da3d07db8ae325e8e01ad85e28e9e60c58bcc14 (patch)
tree3f921fb107be768f0f589e12dfccb854fb1aff99 /drivers/bus
parent84026a5bbc113fb6cef0326ada0e6f5e4d95026c (diff)
mhi: pci_generic: Add diag channels
Add support for Diag over MHI. Qualcomm Diag is the qualcomm diagnostics interface that can be used to collect modem logs, events, traces, etc. It can be used by tools such QPST or QXDM. This patch adds the DIAG channels and a dedicated event ring. Reviewed-by Hemant Kumar <hemantk@codeaurora.org> Signed-off-by: Loic Poulain <loic.poulain@linaro.org> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Diffstat (limited to 'drivers/bus')
-rw-r--r--drivers/bus/mhi/pci_generic.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
index cbf28c3ab3d4..5104084d9c08 100644
--- a/drivers/bus/mhi/pci_generic.c
+++ b/drivers/bus/mhi/pci_generic.c
@@ -142,22 +142,26 @@ struct mhi_pci_dev_info {
}
static const struct mhi_channel_config modem_qcom_v1_mhi_channels[] = {
+ MHI_CHANNEL_CONFIG_UL(4, "DIAG", 16, 1),
+ MHI_CHANNEL_CONFIG_DL(5, "DIAG", 16, 1),
MHI_CHANNEL_CONFIG_UL(12, "MBIM", 4, 0),
MHI_CHANNEL_CONFIG_DL(13, "MBIM", 4, 0),
MHI_CHANNEL_CONFIG_UL(14, "QMI", 4, 0),
MHI_CHANNEL_CONFIG_DL(15, "QMI", 4, 0),
MHI_CHANNEL_CONFIG_UL(20, "IPCR", 8, 0),
MHI_CHANNEL_CONFIG_DL(21, "IPCR", 8, 0),
- MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 128, 1),
- MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0", 128, 2),
+ MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 128, 2),
+ MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0", 128, 3),
};
static const struct mhi_event_config modem_qcom_v1_mhi_events[] = {
/* first ring is control+data ring */
MHI_EVENT_CONFIG_CTRL(0),
+ /* DIAG dedicated event ring */
+ MHI_EVENT_CONFIG_DATA(1),
/* Hardware channels request dedicated hardware event rings */
- MHI_EVENT_CONFIG_HW_DATA(1, 100),
- MHI_EVENT_CONFIG_HW_DATA(2, 101)
+ MHI_EVENT_CONFIG_HW_DATA(2, 100),
+ MHI_EVENT_CONFIG_HW_DATA(3, 101)
};
static const struct mhi_controller_config modem_qcom_v1_mhiv_config = {