From 4dc9c850a974ba7db2091ce73bcffe631aafe144 Mon Sep 17 00:00:00 2001
From: Qiang Yu <quic_qianyu@quicinc.com>
Date: Tue, 7 Nov 2023 16:14:50 +0800
Subject: [PATCH 1/2] bus: mhi: host: pci_generic: Add SDX75 based modem
 support

Add generic info for SDX75 based modems. SDX75 takes longer to set ready
during power up. Hence use separate configuration.

Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1699344890-87076-3-git-send-email-quic_qianyu@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/bus/mhi/host/pci_generic.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c
@@ -269,6 +269,16 @@ static struct mhi_event_config modem_qco
 	MHI_EVENT_CONFIG_HW_DATA(5, 2048, 101)
 };
 
+static const struct mhi_controller_config modem_qcom_v2_mhiv_config = {
+	.max_channels = 128,
+	.timeout_ms = 8000,
+	.ready_timeout_ms = 50000,
+	.num_channels = ARRAY_SIZE(modem_qcom_v1_mhi_channels),
+	.ch_cfg = modem_qcom_v1_mhi_channels,
+	.num_events = ARRAY_SIZE(modem_qcom_v1_mhi_events),
+	.event_cfg = modem_qcom_v1_mhi_events,
+};
+
 static const struct mhi_controller_config modem_qcom_v1_mhiv_config = {
 	.max_channels = 128,
 	.timeout_ms = 8000,
@@ -278,6 +288,16 @@ static const struct mhi_controller_confi
 	.event_cfg = modem_qcom_v1_mhi_events,
 };
 
+static const struct mhi_pci_dev_info mhi_qcom_sdx75_info = {
+	.name = "qcom-sdx75m",
+	.fw = "qcom/sdx75m/xbl.elf",
+	.edl = "qcom/sdx75m/edl.mbn",
+	.config = &modem_qcom_v2_mhiv_config,
+	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+	.dma_data_width = 32,
+	.sideband_wake = false,
+};
+
 static const struct mhi_pci_dev_info mhi_qcom_sdx65_info = {
 	.name = "qcom-sdx65m",
 	.fw = "qcom/sdx65m/xbl.elf",
@@ -609,6 +629,8 @@ static const struct pci_device_id mhi_pc
 		.driver_data = (kernel_ulong_t) &mhi_telit_fe990a_info },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
 		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
+	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0309),
+		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx75_info },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1001), /* EM120R-GL (sdx24) */
 		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1002), /* EM160R-GL (sdx24) */
