diff mbox series

bus: mhi: host: pci_generic: Add support for Quectel RM520N-GL modem

Message ID 20221230075726.122806-1-duke_xinanwen@163.com
State New
Headers show
Series bus: mhi: host: pci_generic: Add support for Quectel RM520N-GL modem | expand

Commit Message

Duke Xin(辛安文) Dec. 30, 2022, 7:57 a.m. UTC
The project is based on Qualcomm's sdx6x chips for laptop,so the mhi interface definition and
enumeration align with previous Quectel sdx24 configuration

Signed-off-by: Duke Xin(辛安文) <duke_xinanwen@163.com>
---
 drivers/bus/mhi/host/pci_generic.c | 46 ++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
diff mbox series

Patch

diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
index f39657f71483..83f40617af9a 100644
--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c
@@ -335,6 +335,50 @@  static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
 	.sideband_wake = true,
 };
 
+static const struct mhi_channel_config mhi_quectel_rm5xx_channels[] = {
+	MHI_CHANNEL_CONFIG_UL(0, "NMEA", 32, 0),
+	MHI_CHANNEL_CONFIG_DL(1, "NMEA", 32, 0),
+	MHI_CHANNEL_CONFIG_UL_SBL(2, "SAHARA", 32, 0),
+	MHI_CHANNEL_CONFIG_DL_SBL(3, "SAHARA", 32, 0),
+	MHI_CHANNEL_CONFIG_UL(4, "DIAG", 32, 1),
+	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 1),
+	MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0),
+	MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
+	MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0),
+	MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0),
+	/* The EDL firmware is a flash-programmer exposing firehose protocol */
+	MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0),
+	MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0),
+	MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
+	MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
+};
+
+static struct mhi_event_config mhi_quectel_rm5xx_events[] = {
+	MHI_EVENT_CONFIG_CTRL(0, 128),
+	MHI_EVENT_CONFIG_DATA(1, 128),
+	MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
+	MHI_EVENT_CONFIG_HW_DATA(3, 1024, 101)
+};
+
+static const struct mhi_controller_config modem_quectel_rm5xx_config = {
+	.max_channels = 128,
+	.timeout_ms = 20000,
+	.num_channels = ARRAY_SIZE(mhi_quectel_rm5xx_channels),
+	.ch_cfg = mhi_quectel_rm5xx_channels,
+	.num_events = ARRAY_SIZE(mhi_quectel_rm5xx_events),
+	.event_cfg = mhi_quectel_rm5xx_events,
+};
+
+static const struct mhi_pci_dev_info mhi_quectel_rm5xx_info = {
+	.name = "quectel-rm5xx",
+	.edl = "qcom/prog_firehose_sdx6x.elf",
+	.config = &modem_quectel_rm5xx_config,
+	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+	.dma_data_width = 32,
+	.mru_default = 32768,
+	.sideband_wake = true,
+};
+
 static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
 	MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 32, 0),
 	MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 32, 0),
@@ -569,6 +613,8 @@  static const struct pci_device_id mhi_pci_id_table[] = {
 		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x2001), /* EM120R-GL for FCCL (sdx24) */
 		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
+	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1004), /* RM520N-GL (sdx6x) */
+		.driver_data = (kernel_ulong_t) &mhi_quectel_rm5xx_info },
 	/* T99W175 (sdx55), Both for eSIM and Non-eSIM */
 	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0ab),
 		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },