linux-kernel - [PATCH 2/2] bus: mhi: host: pci_generic: Add SDX75 based modem support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1699242172-79472-3-git-send-email-quic_qianyu@quicinc.com>
Date:   Mon,  6 Nov 2023 11:42:52 +0800
From:   Qiang Yu <quic_qianyu@...cinc.com>
To:     mani@...nel.org, quic_jhugo@...cinc.com
Cc:     mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_cang@...cinc.com,
        quic_mrana@...cinc.com, Qiang Yu <quic_qianyu@...cinc.com>
Subject: [PATCH 2/2] 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@...cinc.com>
---
 drivers/bus/mhi/host/pci_generic.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
index 08f3f03..cd6cd14 100644
--- 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_qcom_v1_mhi_events[] = {
 	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_config modem_qcom_v1_mhiv_config = {
 	.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",
@@ -600,6 +620,8 @@ static const struct pci_device_id mhi_pci_id_table[] = {
 		.driver_data = (kernel_ulong_t) &mhi_telit_fn990_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) */
-- 
2.7.4