Commit cba6bdfd authored by Mrinmay Sarkar's avatar Mrinmay Sarkar Committed by Manivannan Sadhasivam
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bus: mhi: host: pci_generic: Add support for SA8775P endpoint 



Add MHI controller config for SA8775P endpoint. SA8775P supports IP_SW
usecase only. Hence use separate configuration to enable IP_SW channels.

Signed-off-by: default avatarMrinmay Sarkar <quic_msarkar@quicinc.com>
Reviewed-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241205065422.2515086-2-quic_msarkar@quicinc.com


[mani: updated commit message and removed 'modem' reference in config]
Signed-off-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
parent c8006fbd

drivers/bus/mhi/host/pci_generic.c

+34 −0
Original line number Diff line number Diff line
@@ -297,6 +297,19 @@ static const struct mhi_pci_dev_info mhi_qcom_qdu100_info = { 
	.sideband_wake = false,

};



static const struct mhi_channel_config mhi_qcom_sa8775p_channels[] = {

	MHI_CHANNEL_CONFIG_UL(46, "IP_SW0", 2048, 1),

	MHI_CHANNEL_CONFIG_DL(47, "IP_SW0", 2048, 2),

};



static struct mhi_event_config mhi_qcom_sa8775p_events[] = {

	/* first ring is control+data ring */

	MHI_EVENT_CONFIG_CTRL(0, 64),

	/* Software channels dedicated event ring */

	MHI_EVENT_CONFIG_SW_DATA(1, 64),

	MHI_EVENT_CONFIG_SW_DATA(2, 64),

};



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),
@@ -327,6 +340,15 @@ static struct mhi_event_config modem_qcom_v1_mhi_events[] = { 
	MHI_EVENT_CONFIG_HW_DATA(5, 2048, 101)

};



static const struct mhi_controller_config mhi_qcom_sa8775p_config = {

	.max_channels = 128,

	.timeout_ms = 8000,

	.num_channels = ARRAY_SIZE(mhi_qcom_sa8775p_channels),

	.ch_cfg = mhi_qcom_sa8775p_channels,

	.num_events = ARRAY_SIZE(mhi_qcom_sa8775p_events),

	.event_cfg = mhi_qcom_sa8775p_events,

};



static const struct mhi_controller_config modem_qcom_v2_mhiv_config = {

	.max_channels = 128,

	.timeout_ms = 8000,
@@ -346,6 +368,16 @@ static const struct mhi_controller_config modem_qcom_v1_mhiv_config = { 
	.event_cfg = modem_qcom_v1_mhi_events,

};



static const struct mhi_pci_dev_info mhi_qcom_sa8775p_info = {

	.name = "qcom-sa8775p",

	.edl_trigger = false,

	.config = &mhi_qcom_sa8775p_config,

	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,

	.dma_data_width = 32,

	.mru_default = 32768,

	.sideband_wake = false,

};



static const struct mhi_pci_dev_info mhi_qcom_sdx75_info = {

	.name = "qcom-sdx75m",

	.fw = "qcom/sdx75m/xbl.elf",
@@ -772,6 +804,8 @@ static const struct mhi_pci_dev_info mhi_netprisma_fcun69_info = { 


/* Keep the list sorted based on the PID. New VID should be added as the last entry */

static const struct pci_device_id mhi_pci_id_table[] = {

	{PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0116),

		.driver_data = (kernel_ulong_t) &mhi_qcom_sa8775p_info },

	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0304),

		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx24_info },

	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0306, PCI_VENDOR_ID_QCOM, 0x010c),