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path: root/drivers/bus/mhi/host/pci_generic.c
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Diffstat (limited to 'drivers/bus/mhi/host/pci_generic.c')
-rw-r--r--drivers/bus/mhi/host/pci_generic.c609
1 files changed, 556 insertions, 53 deletions
diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
index f39657f71483..e3bc737313a2 100644
--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c
@@ -8,7 +8,6 @@
* Copyright (C) 2020 Linaro Ltd <loic.poulain@linaro.org>
*/
-#include <linux/aer.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/mhi.h>
@@ -27,28 +26,42 @@
/* PCI VID definitions */
#define PCI_VENDOR_ID_THALES 0x1269
#define PCI_VENDOR_ID_QUECTEL 0x1eac
+#define PCI_VENDOR_ID_NETPRISMA 0x203e
+
+#define MHI_EDL_DB 91
+#define MHI_EDL_COOKIE 0xEDEDEDED
/**
* struct mhi_pci_dev_info - MHI PCI device specific information
* @config: MHI controller configuration
+ * @vf_config: MHI controller configuration for Virtual function (optional)
* @name: name of the PCI module
* @fw: firmware path (if any)
* @edl: emergency download mode firmware path (if any)
+ * @edl_trigger: capable of triggering EDL mode in the device (if supported)
* @bar_num: PCI base address register to use for MHI MMIO register space
* @dma_data_width: DMA transfer word size (32 or 64 bits)
+ * @vf_dma_data_width: DMA transfer word size for VF's (optional)
* @mru_default: default MRU size for MBIM network packets
* @sideband_wake: Devices using dedicated sideband GPIO for wakeup instead
* of inband wake support (such as sdx24)
+ * @no_m3: M3 not supported
+ * @reset_on_remove: Set true for devices that require SoC during driver removal
*/
struct mhi_pci_dev_info {
const struct mhi_controller_config *config;
+ const struct mhi_controller_config *vf_config;
const char *name;
const char *fw;
const char *edl;
+ bool edl_trigger;
unsigned int bar_num;
unsigned int dma_data_width;
+ unsigned int vf_dma_data_width;
unsigned int mru_default;
bool sideband_wake;
+ bool no_m3;
+ bool reset_on_remove;
};
#define MHI_CHANNEL_CONFIG_UL(ch_num, ch_name, el_count, ev_ring) \
@@ -213,6 +226,19 @@ struct mhi_pci_dev_info {
.offload_channel = false, \
}
+#define MHI_EVENT_CONFIG_SW_DATA(ev_ring, el_count) \
+ { \
+ .num_elements = el_count, \
+ .irq_moderation_ms = 0, \
+ .irq = (ev_ring) + 1, \
+ .priority = 1, \
+ .mode = MHI_DB_BRST_DISABLE, \
+ .data_type = MHI_ER_DATA, \
+ .hardware_event = false, \
+ .client_managed = false, \
+ .offload_channel = false, \
+ }
+
#define MHI_EVENT_CONFIG_HW_DATA(ev_ring, el_count, ch_num) \
{ \
.num_elements = el_count, \
@@ -227,6 +253,74 @@ struct mhi_pci_dev_info {
.channel = ch_num, \
}
+static const struct mhi_channel_config mhi_qcom_qdu100_channels[] = {
+ MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 32, 2),
+ MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 32, 2),
+ MHI_CHANNEL_CONFIG_UL_SBL(2, "SAHARA", 128, 1),
+ MHI_CHANNEL_CONFIG_DL_SBL(3, "SAHARA", 128, 1),
+ MHI_CHANNEL_CONFIG_UL(4, "DIAG", 64, 3),
+ MHI_CHANNEL_CONFIG_DL(5, "DIAG", 64, 3),
+ MHI_CHANNEL_CONFIG_UL(9, "QDSS", 64, 3),
+ MHI_CHANNEL_CONFIG_UL(14, "NMEA", 32, 4),
+ MHI_CHANNEL_CONFIG_DL(15, "NMEA", 32, 4),
+ MHI_CHANNEL_CONFIG_UL(16, "CSM_CTRL", 32, 4),
+ MHI_CHANNEL_CONFIG_DL(17, "CSM_CTRL", 32, 4),
+ MHI_CHANNEL_CONFIG_UL(40, "MHI_PHC", 32, 4),
+ MHI_CHANNEL_CONFIG_DL(41, "MHI_PHC", 32, 4),
+ MHI_CHANNEL_CONFIG_UL(46, "IP_SW0", 256, 5),
+ MHI_CHANNEL_CONFIG_DL(47, "IP_SW0", 256, 5),
+};
+
+static struct mhi_event_config mhi_qcom_qdu100_events[] = {
+ /* first ring is control+data ring */
+ MHI_EVENT_CONFIG_CTRL(0, 64),
+ /* SAHARA dedicated event ring */
+ MHI_EVENT_CONFIG_SW_DATA(1, 256),
+ /* Software channels dedicated event ring */
+ MHI_EVENT_CONFIG_SW_DATA(2, 64),
+ MHI_EVENT_CONFIG_SW_DATA(3, 256),
+ MHI_EVENT_CONFIG_SW_DATA(4, 256),
+ /* Software IP channels dedicated event ring */
+ MHI_EVENT_CONFIG_SW_DATA(5, 512),
+ MHI_EVENT_CONFIG_SW_DATA(6, 512),
+ MHI_EVENT_CONFIG_SW_DATA(7, 512),
+};
+
+static const struct mhi_controller_config mhi_qcom_qdu100_config = {
+ .max_channels = 128,
+ .timeout_ms = 120000,
+ .num_channels = ARRAY_SIZE(mhi_qcom_qdu100_channels),
+ .ch_cfg = mhi_qcom_qdu100_channels,
+ .num_events = ARRAY_SIZE(mhi_qcom_qdu100_events),
+ .event_cfg = mhi_qcom_qdu100_events,
+};
+
+static const struct mhi_pci_dev_info mhi_qcom_qdu100_info = {
+ .name = "qcom-qdu100",
+ .fw = "qcom/qdu100/xbl_s.melf",
+ .edl_trigger = true,
+ .config = &mhi_qcom_qdu100_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32,
+ .vf_dma_data_width = 40,
+ .sideband_wake = false,
+ .no_m3 = true,
+ .reset_on_remove = true,
+};
+
+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),
@@ -238,8 +332,10 @@ static const struct mhi_channel_config modem_qcom_v1_mhi_channels[] = {
MHI_CHANNEL_CONFIG_DL_AUTOQUEUE(21, "IPCR", 8, 0),
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", 128, 2),
- MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0", 128, 3),
+ MHI_CHANNEL_CONFIG_UL(46, "IP_SW0", 64, 2),
+ MHI_CHANNEL_CONFIG_DL(47, "IP_SW0", 64, 3),
+ MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 128, 4),
+ MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0", 128, 5),
};
static struct mhi_event_config modem_qcom_v1_mhi_events[] = {
@@ -247,9 +343,31 @@ static struct mhi_event_config modem_qcom_v1_mhi_events[] = {
MHI_EVENT_CONFIG_CTRL(0, 64),
/* DIAG dedicated event ring */
MHI_EVENT_CONFIG_DATA(1, 128),
+ /* Software channels dedicated event ring */
+ MHI_EVENT_CONFIG_SW_DATA(2, 64),
+ MHI_EVENT_CONFIG_SW_DATA(3, 64),
/* Hardware channels request dedicated hardware event rings */
- MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
- MHI_EVENT_CONFIG_HW_DATA(3, 2048, 101)
+ MHI_EVENT_CONFIG_HW_DATA(4, 1024, 100),
+ 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,
+ .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 = {
@@ -261,10 +379,32 @@ 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",
+ .edl = "qcom/sdx75m/edl.mbn",
+ .edl_trigger = true,
+ .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",
.edl = "qcom/sdx65m/edl.mbn",
+ .edl_trigger = true,
.config = &modem_qcom_v1_mhiv_config,
.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
.dma_data_width = 32,
@@ -275,6 +415,7 @@ static const struct mhi_pci_dev_info mhi_qcom_sdx55_info = {
.name = "qcom-sdx55m",
.fw = "qcom/sdx55m/sbl1.mbn",
.edl = "qcom/sdx55m/edl.mbn",
+ .edl_trigger = true,
.config = &modem_qcom_v1_mhiv_config,
.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
.dma_data_width = 32,
@@ -335,6 +476,16 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
.sideband_wake = true,
};
+static const struct mhi_pci_dev_info mhi_quectel_rm5xx_info = {
+ .name = "quectel-rm5xx",
+ .edl = "qcom/prog_firehose_sdx6x.elf",
+ .config = &modem_quectel_em1xx_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),
@@ -344,8 +495,25 @@ static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0),
MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0),
- MHI_CHANNEL_CONFIG_UL(92, "DUN2", 32, 1),
- MHI_CHANNEL_CONFIG_DL(93, "DUN2", 32, 1),
+ 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 const struct mhi_channel_config mhi_foxconn_sdx61_channels[] = {
+ MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 32, 0),
+ MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 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),
+ MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0),
+ MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0),
+ MHI_CHANNEL_CONFIG_UL(50, "NMEA", 32, 0),
+ MHI_CHANNEL_CONFIG_DL(51, "NMEA", 32, 0),
MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
};
@@ -366,10 +534,84 @@ static const struct mhi_controller_config modem_foxconn_sdx55_config = {
.event_cfg = mhi_foxconn_sdx55_events,
};
+static const struct mhi_controller_config modem_foxconn_sdx61_config = {
+ .max_channels = 128,
+ .timeout_ms = 20000,
+ .num_channels = ARRAY_SIZE(mhi_foxconn_sdx61_channels),
+ .ch_cfg = mhi_foxconn_sdx61_channels,
+ .num_events = ARRAY_SIZE(mhi_foxconn_sdx55_events),
+ .event_cfg = mhi_foxconn_sdx55_events,
+};
+
+static const struct mhi_controller_config modem_foxconn_sdx72_config = {
+ .max_channels = 128,
+ .timeout_ms = 20000,
+ .ready_timeout_ms = 50000,
+ .num_channels = ARRAY_SIZE(mhi_foxconn_sdx55_channels),
+ .ch_cfg = mhi_foxconn_sdx55_channels,
+ .num_events = ARRAY_SIZE(mhi_foxconn_sdx55_events),
+ .event_cfg = mhi_foxconn_sdx55_events,
+};
+
static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
.name = "foxconn-sdx55",
- .fw = "qcom/sdx55m/sbl1.mbn",
- .edl = "qcom/sdx55m/edl.mbn",
+ .edl = "qcom/sdx55m/foxconn/prog_firehose_sdx55.mbn",
+ .edl_trigger = true,
+ .config = &modem_foxconn_sdx55_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_foxconn_t99w175_info = {
+ .name = "foxconn-t99w175",
+ .edl = "qcom/sdx55m/foxconn/prog_firehose_sdx55.mbn",
+ .edl_trigger = true,
+ .config = &modem_foxconn_sdx55_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_foxconn_dw5930e_info = {
+ .name = "foxconn-dw5930e",
+ .edl = "qcom/sdx55m/foxconn/prog_firehose_sdx55.mbn",
+ .edl_trigger = true,
+ .config = &modem_foxconn_sdx55_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_foxconn_t99w368_info = {
+ .name = "foxconn-t99w368",
+ .edl = "qcom/sdx65m/foxconn/prog_firehose_lite.elf",
+ .edl_trigger = true,
+ .config = &modem_foxconn_sdx55_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_foxconn_t99w373_info = {
+ .name = "foxconn-t99w373",
+ .edl = "qcom/sdx65m/foxconn/prog_firehose_lite.elf",
+ .edl_trigger = true,
+ .config = &modem_foxconn_sdx55_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_foxconn_t99w510_info = {
+ .name = "foxconn-t99w510",
+ .edl = "qcom/sdx24m/foxconn/prog_firehose_sdx24.mbn",
+ .edl_trigger = true,
.config = &modem_foxconn_sdx55_config,
.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
.dma_data_width = 32,
@@ -377,8 +619,10 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
.sideband_wake = false,
};
-static const struct mhi_pci_dev_info mhi_foxconn_sdx65_info = {
- .name = "foxconn-sdx65",
+static const struct mhi_pci_dev_info mhi_foxconn_dw5932e_info = {
+ .name = "foxconn-dw5932e",
+ .edl = "qcom/sdx65m/foxconn/prog_firehose_lite.elf",
+ .edl_trigger = true,
.config = &modem_foxconn_sdx55_config,
.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
.dma_data_width = 32,
@@ -386,6 +630,50 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx65_info = {
.sideband_wake = false,
};
+static const struct mhi_pci_dev_info mhi_foxconn_t99w640_info = {
+ .name = "foxconn-t99w640",
+ .edl = "qcom/sdx72m/foxconn/edl.mbn",
+ .edl_trigger = true,
+ .config = &modem_foxconn_sdx72_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_foxconn_dw5934e_info = {
+ .name = "foxconn-dw5934e",
+ .edl = "qcom/sdx72m/foxconn/edl.mbn",
+ .edl_trigger = true,
+ .config = &modem_foxconn_sdx72_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_foxconn_t99w696_info = {
+ .name = "foxconn-t99w696",
+ .edl = "qcom/sdx61/foxconn/prog_firehose_lite.elf",
+ .edl_trigger = true,
+ .config = &modem_foxconn_sdx61_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_foxconn_t99w760_info = {
+ .name = "foxconn-t99w760",
+ .edl = "qcom/sdx35/foxconn/xbl_s_devprg_ns.melf",
+ .edl_trigger = true,
+ .config = &modem_foxconn_sdx61_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32,
+ .mru_default = 32768,
+ .sideband_wake = false,
+};
+
static const struct mhi_channel_config mhi_mv3x_channels[] = {
MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 64, 0),
MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 64, 0),
@@ -466,6 +754,7 @@ static const struct mhi_pci_dev_info mhi_sierra_em919x_info = {
.config = &modem_sierra_em919x_config,
.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
.dma_data_width = 32,
+ .mru_default = 32768,
.sideband_wake = false,
};
@@ -484,7 +773,7 @@ static struct mhi_event_config mhi_telit_fn980_hw_v1_events[] = {
MHI_EVENT_CONFIG_HW_DATA(2, 2048, 101)
};
-static struct mhi_controller_config modem_telit_fn980_hw_v1_config = {
+static const struct mhi_controller_config modem_telit_fn980_hw_v1_config = {
.max_channels = 128,
.timeout_ms = 20000,
.num_channels = ARRAY_SIZE(mhi_telit_fn980_hw_v1_channels),
@@ -544,8 +833,98 @@ static const struct mhi_pci_dev_info mhi_telit_fn990_info = {
.mru_default = 32768,
};
+static const struct mhi_pci_dev_info mhi_telit_fe990a_info = {
+ .name = "telit-fe990a",
+ .config = &modem_telit_fn990_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32,
+ .sideband_wake = false,
+ .mru_default = 32768,
+};
+
+static const struct mhi_channel_config mhi_telit_fn920c04_channels[] = {
+ MHI_CHANNEL_CONFIG_UL_SBL(2, "SAHARA", 32, 0),
+ MHI_CHANNEL_CONFIG_DL_SBL(3, "SAHARA", 32, 0),
+ MHI_CHANNEL_CONFIG_UL(4, "DIAG", 64, 1),
+ MHI_CHANNEL_CONFIG_DL(5, "DIAG", 64, 1),
+ MHI_CHANNEL_CONFIG_UL(14, "QMI", 32, 0),
+ MHI_CHANNEL_CONFIG_DL(15, "QMI", 32, 0),
+ MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0),
+ MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0),
+ MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0),
+ MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0),
+ MHI_CHANNEL_CONFIG_UL(92, "DUN2", 32, 1),
+ MHI_CHANNEL_CONFIG_DL(93, "DUN2", 32, 1),
+ MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 128, 2),
+ MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0", 128, 3),
+};
+
+static const struct mhi_controller_config modem_telit_fn920c04_config = {
+ .max_channels = 128,
+ .timeout_ms = 50000,
+ .num_channels = ARRAY_SIZE(mhi_telit_fn920c04_channels),
+ .ch_cfg = mhi_telit_fn920c04_channels,
+ .num_events = ARRAY_SIZE(mhi_telit_fn990_events),
+ .event_cfg = mhi_telit_fn990_events,
+};
+
+static const struct mhi_pci_dev_info mhi_telit_fn920c04_info = {
+ .name = "telit-fn920c04",
+ .config = &modem_telit_fn920c04_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32,
+ .sideband_wake = false,
+ .mru_default = 32768,
+ .edl_trigger = true,
+};
+
+static const struct mhi_pci_dev_info mhi_telit_fn990b40_info = {
+ .name = "telit-fn990b40",
+ .config = &modem_telit_fn920c04_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32,
+ .sideband_wake = false,
+ .mru_default = 32768,
+ .edl_trigger = true,
+};
+
+static const struct mhi_pci_dev_info mhi_telit_fe990b40_info = {
+ .name = "telit-fe990b40",
+ .config = &modem_telit_fn920c04_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32,
+ .sideband_wake = false,
+ .mru_default = 32768,
+ .edl_trigger = true,
+};
+
+static const struct mhi_pci_dev_info mhi_netprisma_lcur57_info = {
+ .name = "netprisma-lcur57",
+ .edl = "qcom/prog_firehose_sdx24.mbn",
+ .config = &modem_quectel_em1xx_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32,
+ .mru_default = 32768,
+ .sideband_wake = true,
+};
+
+static const struct mhi_pci_dev_info mhi_netprisma_fcun69_info = {
+ .name = "netprisma-fcun69",
+ .edl = "qcom/prog_firehose_sdx6x.elf",
+ .config = &modem_quectel_em1xx_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32,
+ .mru_default = 32768,
+ .sideband_wake = true,
+};
+
/* 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 },
+ /* Telit FN920C04 (sdx35) */
+ {PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x011a, 0x1c5d, 0x2020),
+ .driver_data = (kernel_ulong_t) &mhi_telit_fn920c04_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),
@@ -553,6 +932,9 @@ static const struct pci_device_id mhi_pci_id_table[] = {
/* EM919x (sdx55), use the same vid:pid as qcom-sdx55m */
{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0306, 0x18d7, 0x0200),
.driver_data = (kernel_ulong_t) &mhi_sierra_em919x_info },
+ /* EM929x (sdx65), use the same configuration as EM919x */
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, 0x18d7, 0x0301),
+ .driver_data = (kernel_ulong_t) &mhi_sierra_em919x_info },
/* Telit FN980 hardware revision v1 */
{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0306, 0x1C5D, 0x2000),
.driver_data = (kernel_ulong_t) &mhi_telit_fn980_hw_v1_info },
@@ -561,35 +943,86 @@ static const struct pci_device_id mhi_pci_id_table[] = {
/* Telit FN990 */
{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, 0x1c5d, 0x2010),
.driver_data = (kernel_ulong_t) &mhi_telit_fn990_info },
+ /* Telit FE990A */
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, 0x1c5d, 0x2015),
+ .driver_data = (kernel_ulong_t) &mhi_telit_fe990a_info },
+ /* Foxconn T99W696, all variants */
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, PCI_ANY_ID),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
.driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
+ /* Telit FN990B40 (sdx72) */
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0309, 0x1c5d, 0x201a),
+ .driver_data = (kernel_ulong_t) &mhi_telit_fn990b40_info },
+ /* Telit FE990B40 (sdx72) */
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0309, 0x1c5d, 0x2025),
+ .driver_data = (kernel_ulong_t) &mhi_telit_fe990b40_info },
+ { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0309),
+ .driver_data = (kernel_ulong_t) &mhi_qcom_sdx75_info },
+ /* QDU100, x100-DU */
+ { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0601),
+ .driver_data = (kernel_ulong_t) &mhi_qcom_qdu100_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) */
.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
+ /* RM520N-GL (sdx6x), eSIM */
+ { PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1004),
+ .driver_data = (kernel_ulong_t) &mhi_quectel_rm5xx_info },
+ /* RM520N-GL (sdx6x), Lenovo variant */
+ { PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1007),
+ .driver_data = (kernel_ulong_t) &mhi_quectel_rm5xx_info },
+ { PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x100d), /* EM160R-GL (sdx24) */
+ .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 },
/* T99W175 (sdx55), Both for eSIM and Non-eSIM */
{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0ab),
- .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w175_info },
/* DW5930e (sdx55), With eSIM, It's also T99W175 */
{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b0),
- .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_dw5930e_info },
/* DW5930e (sdx55), Non-eSIM, It's also T99W175 */
{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b1),
- .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_dw5930e_info },
/* T99W175 (sdx55), Based on Qualcomm new baseline */
{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0bf),
- .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w175_info },
/* T99W175 (sdx55) */
{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0c3),
- .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w175_info },
/* T99W368 (sdx65) */
{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0d8),
- .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx65_info },
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w368_info },
/* T99W373 (sdx62) */
{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0d9),
- .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx65_info },
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w373_info },
+ /* T99W510 (sdx24), variant 1 */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0f0),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w510_info },
+ /* T99W510 (sdx24), variant 2 */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0f1),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w510_info },
+ /* T99W510 (sdx24), variant 3 */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0f2),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w510_info },
+ /* DW5932e-eSIM (sdx62), With eSIM */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0f5),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_dw5932e_info },
+ /* DW5932e (sdx62), Non-eSIM */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0f9),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_dw5932e_info },
+ /* T99W640 (sdx72) */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe118),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w640_info },
+ /* DW5934e(sdx72), With eSIM */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe11d),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_dw5934e_info },
+ /* DW5934e(sdx72), Non-eSIM */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe11e),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_dw5934e_info },
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe123),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w760_info },
/* MV31-W (Cinterion) */
{ PCI_DEVICE(PCI_VENDOR_ID_THALES, 0x00b3),
.driver_data = (kernel_ulong_t) &mhi_mv31_info },
@@ -604,7 +1037,13 @@ static const struct pci_device_id mhi_pci_id_table[] = {
.driver_data = (kernel_ulong_t) &mhi_mv32_info },
/* T99W175 (sdx55), HP variant */
{ PCI_DEVICE(0x03f0, 0x0a6c),
- .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w175_info },
+ /* NETPRISMA LCUR57 (SDX24) */
+ { PCI_DEVICE(PCI_VENDOR_ID_NETPRISMA, 0x1000),
+ .driver_data = (kernel_ulong_t) &mhi_netprisma_lcur57_info },
+ /* NETPRISMA FCUN69 (SDX6X) */
+ { PCI_DEVICE(PCI_VENDOR_ID_NETPRISMA, 0x1001),
+ .driver_data = (kernel_ulong_t) &mhi_netprisma_fcun69_info },
{ }
};
MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
@@ -620,6 +1059,7 @@ struct mhi_pci_device {
struct work_struct recovery_work;
struct timer_list health_check_timer;
unsigned long status;
+ bool reset_on_remove;
};
static int mhi_pci_read_reg(struct mhi_controller *mhi_cntrl,
@@ -675,7 +1115,7 @@ static bool mhi_pci_is_alive(struct mhi_controller *mhi_cntrl)
struct pci_dev *pdev = to_pci_dev(mhi_cntrl->cntrl_dev);
u16 vendor = 0;
- if (pci_read_config_word(pdev, PCI_VENDOR_ID, &vendor))
+ if (pci_read_config_word(pci_physfn(pdev), PCI_VENDOR_ID, &vendor))
return false;
if (vendor == (u16) ~0 || vendor == 0)
@@ -690,22 +1130,18 @@ static int mhi_pci_claim(struct mhi_controller *mhi_cntrl,
struct pci_dev *pdev = to_pci_dev(mhi_cntrl->cntrl_dev);
int err;
- err = pci_assign_resource(pdev, bar_num);
- if (err)
- return err;
-
err = pcim_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "failed to enable pci device: %d\n", err);
return err;
}
- err = pcim_iomap_regions(pdev, 1 << bar_num, pci_name(pdev));
- if (err) {
+ mhi_cntrl->regs = pcim_iomap_region(pdev, bar_num, pci_name(pdev));
+ if (IS_ERR(mhi_cntrl->regs)) {
+ err = PTR_ERR(mhi_cntrl->regs);
dev_err(&pdev->dev, "failed to map pci region: %d\n", err);
return err;
}
- mhi_cntrl->regs = pcim_iomap_table(pdev)[bar_num];
mhi_cntrl->reg_len = pci_resource_len(pdev, bar_num);
err = dma_set_mask_and_coherent(&pdev->dev, dma_mask);
@@ -732,7 +1168,7 @@ static int mhi_pci_get_irqs(struct mhi_controller *mhi_cntrl,
*/
mhi_cntrl->nr_irqs = 1 + mhi_cntrl_config->num_events;
- nr_vectors = pci_alloc_irq_vectors(pdev, 1, mhi_cntrl->nr_irqs, PCI_IRQ_MSI);
+ nr_vectors = pci_alloc_irq_vectors(pdev, 1, mhi_cntrl->nr_irqs, PCI_IRQ_MSIX | PCI_IRQ_MSI);
if (nr_vectors < 0) {
dev_err(&pdev->dev, "Error allocating MSI vectors %d\n",
nr_vectors);
@@ -790,7 +1226,9 @@ static void mhi_pci_recovery_work(struct work_struct *work)
dev_warn(&pdev->dev, "device recovery started\n");
- del_timer(&mhi_pdev->health_check_timer);
+ if (pdev->is_physfn)
+ timer_delete(&mhi_pdev->health_check_timer);
+
pm_runtime_forbid(&pdev->dev);
/* Clean up MHI state */
@@ -817,19 +1255,24 @@ static void mhi_pci_recovery_work(struct work_struct *work)
dev_dbg(&pdev->dev, "Recovery completed\n");
set_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status);
- mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
+
+ if (pdev->is_physfn)
+ mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
+
return;
err_unprepare:
mhi_unprepare_after_power_down(mhi_cntrl);
err_try_reset:
- if (pci_reset_function(pdev))
- dev_err(&pdev->dev, "Recovery failed\n");
+ err = pci_try_reset_function(pdev);
+ if (err)
+ dev_err(&pdev->dev, "Recovery failed: %d\n", err);
}
static void health_check(struct timer_list *t)
{
- struct mhi_pci_device *mhi_pdev = from_timer(mhi_pdev, t, health_check_timer);
+ struct mhi_pci_device *mhi_pdev = timer_container_of(mhi_pdev, t,
+ health_check_timer);
struct mhi_controller *mhi_cntrl = &mhi_pdev->mhi_cntrl;
if (!test_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status) ||
@@ -846,12 +1289,47 @@ static void health_check(struct timer_list *t)
mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
}
+static int mhi_pci_generic_edl_trigger(struct mhi_controller *mhi_cntrl)
+{
+ void __iomem *base = mhi_cntrl->regs;
+ void __iomem *edl_db;
+ int ret;
+ u32 val;
+
+ ret = mhi_device_get_sync(mhi_cntrl->mhi_dev);
+ if (ret) {
+ dev_err(mhi_cntrl->cntrl_dev, "Failed to wakeup the device\n");
+ return ret;
+ }
+
+ pm_wakeup_event(&mhi_cntrl->mhi_dev->dev, 0);
+ mhi_cntrl->runtime_get(mhi_cntrl);
+
+ ret = mhi_get_channel_doorbell_offset(mhi_cntrl, &val);
+ if (ret)
+ goto err_get_chdb;
+
+ edl_db = base + val + (8 * MHI_EDL_DB);
+
+ mhi_cntrl->write_reg(mhi_cntrl, edl_db + 4, upper_32_bits(MHI_EDL_COOKIE));
+ mhi_cntrl->write_reg(mhi_cntrl, edl_db, lower_32_bits(MHI_EDL_COOKIE));
+
+ mhi_soc_reset(mhi_cntrl);
+
+err_get_chdb:
+ mhi_cntrl->runtime_put(mhi_cntrl);
+ mhi_device_put(mhi_cntrl->mhi_dev);
+
+ return ret;
+}
+
static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
const struct mhi_pci_dev_info *info = (struct mhi_pci_dev_info *) id->driver_data;
const struct mhi_controller_config *mhi_cntrl_config;
struct mhi_pci_device *mhi_pdev;
struct mhi_controller *mhi_cntrl;
+ unsigned int dma_data_width;
int err;
dev_info(&pdev->dev, "MHI PCI device found: %s\n", info->name);
@@ -862,14 +1340,24 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return -ENOMEM;
INIT_WORK(&mhi_pdev->recovery_work, mhi_pci_recovery_work);
- timer_setup(&mhi_pdev->health_check_timer, health_check, 0);
- mhi_cntrl_config = info->config;
+ if (pdev->is_virtfn && info->vf_config)
+ mhi_cntrl_config = info->vf_config;
+ else
+ mhi_cntrl_config = info->config;
+
+ /* Initialize health check monitor only for Physical functions */
+ if (pdev->is_physfn)
+ timer_setup(&mhi_pdev->health_check_timer, health_check, 0);
+
mhi_cntrl = &mhi_pdev->mhi_cntrl;
+ dma_data_width = (pdev->is_virtfn && info->vf_dma_data_width) ?
+ info->vf_dma_data_width : info->dma_data_width;
+
mhi_cntrl->cntrl_dev = &pdev->dev;
mhi_cntrl->iova_start = 0;
- mhi_cntrl->iova_stop = (dma_addr_t)DMA_BIT_MASK(info->dma_data_width);
+ mhi_cntrl->iova_stop = (dma_addr_t)DMA_BIT_MASK(dma_data_width);
mhi_cntrl->fw_image = info->fw;
mhi_cntrl->edl_image = info->edl;
@@ -879,6 +1367,13 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mhi_cntrl->runtime_get = mhi_pci_runtime_get;
mhi_cntrl->runtime_put = mhi_pci_runtime_put;
mhi_cntrl->mru = info->mru_default;
+ mhi_cntrl->name = info->name;
+
+ if (pdev->is_physfn)
+ mhi_pdev->reset_on_remove = info->reset_on_remove;
+
+ if (info->edl_trigger)
+ mhi_cntrl->edl_trigger = mhi_pci_generic_edl_trigger;
if (info->sideband_wake) {
mhi_cntrl->wake_get = mhi_pci_wake_get_nop;
@@ -886,7 +1381,7 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mhi_cntrl->wake_toggle = mhi_pci_wake_toggle_nop;
}
- err = mhi_pci_claim(mhi_cntrl, info->bar_num, DMA_BIT_MASK(info->dma_data_width));
+ err = mhi_pci_claim(mhi_cntrl, info->bar_num, DMA_BIT_MASK(dma_data_width));
if (err)
return err;
@@ -903,11 +1398,9 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mhi_pdev->pci_state = pci_store_saved_state(pdev);
pci_load_saved_state(pdev, NULL);
- pci_enable_pcie_error_reporting(pdev);
-
err = mhi_register_controller(mhi_cntrl, mhi_cntrl_config);
if (err)
- goto err_disable_reporting;
+ return err;
/* MHI bus does not power up the controller by default */
err = mhi_prepare_for_power_up(mhi_cntrl);
@@ -925,10 +1418,11 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
set_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status);
/* start health check */
- mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
+ if (pdev->is_physfn)
+ mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
- /* Only allow runtime-suspend if PME capable (for wakeup) */
- if (pci_pme_capable(pdev, PCI_D3hot)) {
+ /* Allow runtime suspend only if both PME from D3Hot and M3 are supported */
+ if (pci_pme_capable(pdev, PCI_D3hot) && !(info->no_m3)) {
pm_runtime_set_autosuspend_delay(&pdev->dev, 2000);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_mark_last_busy(&pdev->dev);
@@ -941,8 +1435,6 @@ err_unprepare:
mhi_unprepare_after_power_down(mhi_cntrl);
err_unregister:
mhi_unregister_controller(mhi_cntrl);
-err_disable_reporting:
- pci_disable_pcie_error_reporting(pdev);
return err;
}
@@ -952,7 +1444,10 @@ static void mhi_pci_remove(struct pci_dev *pdev)
struct mhi_pci_device *mhi_pdev = pci_get_drvdata(pdev);
struct mhi_controller *mhi_cntrl = &mhi_pdev->mhi_cntrl;
- del_timer_sync(&mhi_pdev->health_check_timer);
+ pci_disable_sriov(pdev);
+
+ if (pdev->is_physfn)
+ timer_delete_sync(&mhi_pdev->health_check_timer);
cancel_work_sync(&mhi_pdev->recovery_work);
if (test_and_clear_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status)) {
@@ -964,8 +1459,10 @@ static void mhi_pci_remove(struct pci_dev *pdev)
if (pci_pme_capable(pdev, PCI_D3hot))
pm_runtime_get_noresume(&pdev->dev);
+ if (mhi_pdev->reset_on_remove)
+ mhi_soc_reset(mhi_cntrl);
+
mhi_unregister_controller(mhi_cntrl);
- pci_disable_pcie_error_reporting(pdev);
}
static void mhi_pci_shutdown(struct pci_dev *pdev)
@@ -981,7 +1478,8 @@ static void mhi_pci_reset_prepare(struct pci_dev *pdev)
dev_info(&pdev->dev, "reset\n");
- del_timer(&mhi_pdev->health_check_timer);
+ if (pdev->is_physfn)
+ timer_delete(&mhi_pdev->health_check_timer);
/* Clean up MHI state */
if (test_and_clear_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status)) {
@@ -1026,7 +1524,8 @@ static void mhi_pci_reset_done(struct pci_dev *pdev)
}
set_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status);
- mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
+ if (pdev->is_physfn)
+ mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
}
static pci_ers_result_t mhi_pci_error_detected(struct pci_dev *pdev,
@@ -1091,7 +1590,9 @@ static int __maybe_unused mhi_pci_runtime_suspend(struct device *dev)
if (test_and_set_bit(MHI_PCI_DEV_SUSPENDED, &mhi_pdev->status))
return 0;
- del_timer(&mhi_pdev->health_check_timer);
+ if (pdev->is_physfn)
+ timer_delete(&mhi_pdev->health_check_timer);
+
cancel_work_sync(&mhi_pdev->recovery_work);
if (!test_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status) ||
@@ -1142,7 +1643,8 @@ static int __maybe_unused mhi_pci_runtime_resume(struct device *dev)
}
/* Resume health check */
- mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
+ if (pdev->is_physfn)
+ mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
/* It can be a remote wakeup (no mhi runtime_get), update access time */
pm_runtime_mark_last_busy(dev);
@@ -1228,7 +1730,8 @@ static struct pci_driver mhi_pci_driver = {
.remove = mhi_pci_remove,
.shutdown = mhi_pci_shutdown,
.err_handler = &mhi_pci_err_handler,
- .driver.pm = &mhi_pci_pm_ops
+ .driver.pm = &mhi_pci_pm_ops,
+ .sriov_configure = pci_sriov_configure_simple,
};
module_pci_driver(mhi_pci_driver);