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bus: mhi: host: pci_generic: Add support for IP_SW0 channels
IP_SW0 channels are used to transfer data over the networking interface between MHI endpoint and the host. Define the channels in the MHI v1 channel config along with dedicated event rings. Reviewed-by: Loic Poulain <loic.poulain@linaro.org> Link: https://lore.kernel.org/r/20230519135803.13850-1-manivannan.sadhasivam@linaro.org Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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cabce92dd8
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15f6705756
1 changed files with 22 additions and 4 deletions
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@ -212,6 +212,19 @@ struct mhi_pci_dev_info {
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.offload_channel = false, \
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}
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#define MHI_EVENT_CONFIG_SW_DATA(ev_ring, el_count) \
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{ \
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.num_elements = el_count, \
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.irq_moderation_ms = 0, \
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.irq = (ev_ring) + 1, \
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.priority = 1, \
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.mode = MHI_DB_BRST_DISABLE, \
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.data_type = MHI_ER_DATA, \
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.hardware_event = false, \
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.client_managed = false, \
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.offload_channel = false, \
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}
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#define MHI_EVENT_CONFIG_HW_DATA(ev_ring, el_count, ch_num) \
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{ \
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.num_elements = el_count, \
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@ -237,8 +250,10 @@ static const struct mhi_channel_config modem_qcom_v1_mhi_channels[] = {
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MHI_CHANNEL_CONFIG_DL_AUTOQUEUE(21, "IPCR", 8, 0),
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MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0),
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MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0),
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MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 128, 2),
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MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0", 128, 3),
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MHI_CHANNEL_CONFIG_UL(46, "IP_SW0", 64, 2),
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MHI_CHANNEL_CONFIG_DL(47, "IP_SW0", 64, 3),
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MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 128, 4),
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MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0", 128, 5),
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};
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static struct mhi_event_config modem_qcom_v1_mhi_events[] = {
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@ -246,9 +261,12 @@ static struct mhi_event_config modem_qcom_v1_mhi_events[] = {
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MHI_EVENT_CONFIG_CTRL(0, 64),
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/* DIAG dedicated event ring */
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MHI_EVENT_CONFIG_DATA(1, 128),
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/* Software channels dedicated event ring */
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MHI_EVENT_CONFIG_SW_DATA(2, 64),
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MHI_EVENT_CONFIG_SW_DATA(3, 64),
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/* Hardware channels request dedicated hardware event rings */
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MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
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MHI_EVENT_CONFIG_HW_DATA(3, 2048, 101)
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MHI_EVENT_CONFIG_HW_DATA(4, 1024, 100),
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MHI_EVENT_CONFIG_HW_DATA(5, 2048, 101)
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};
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static const struct mhi_controller_config modem_qcom_v1_mhiv_config = {
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