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-rw-r--r--drivers/misc/mei/Kconfig2
-rw-r--r--drivers/misc/mei/bus-fixup.c8
-rw-r--r--drivers/misc/mei/bus.c60
-rw-r--r--drivers/misc/mei/client.c26
-rw-r--r--drivers/misc/mei/client.h2
-rw-r--r--drivers/misc/mei/gsc-me.c22
-rw-r--r--drivers/misc/mei/gsc_proxy/mei_gsc_proxy.c12
-rw-r--r--drivers/misc/mei/hdcp/Kconfig2
-rw-r--r--drivers/misc/mei/hdcp/mei_hdcp.c18
-rw-r--r--drivers/misc/mei/hw-me-regs.h7
-rw-r--r--drivers/misc/mei/hw-txe.c45
-rw-r--r--drivers/misc/mei/hw-txe.h2
-rw-r--r--drivers/misc/mei/hw.h2
-rw-r--r--drivers/misc/mei/interrupt.c2
-rw-r--r--drivers/misc/mei/main.c3
-rw-r--r--drivers/misc/mei/mei-trace.h6
-rw-r--r--drivers/misc/mei/pci-me.c51
-rw-r--r--drivers/misc/mei/pci-txe.c40
-rw-r--r--drivers/misc/mei/platform-vsc.c42
-rw-r--r--drivers/misc/mei/pxp/Kconfig2
-rw-r--r--drivers/misc/mei/pxp/mei_pxp.c21
-rw-r--r--drivers/misc/mei/vsc-fw-loader.c34
-rw-r--r--drivers/misc/mei/vsc-tp.c188
-rw-r--r--drivers/misc/mei/vsc-tp.h3
24 files changed, 258 insertions, 342 deletions
diff --git a/drivers/misc/mei/Kconfig b/drivers/misc/mei/Kconfig
index 67d9391f1855..7575fee96cc6 100644
--- a/drivers/misc/mei/Kconfig
+++ b/drivers/misc/mei/Kconfig
@@ -3,7 +3,7 @@
config INTEL_MEI
tristate "Intel Management Engine Interface"
depends on X86 && PCI
- default GENERIC_CPU || MCORE2 || MATOM || X86_GENERIC
+ default X86_64 || MATOM
help
The Intel Management Engine (Intel ME) provides Manageability,
Security and Media services for system containing Intel chipsets.
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index 2733070acf39..9eebeffcd8fd 100644
--- a/drivers/misc/mei/bus-fixup.c
+++ b/drivers/misc/mei/bus-fixup.c
@@ -80,6 +80,8 @@ static void whitelist(struct mei_cl_device *cldev)
cldev->do_match = 1;
}
+#define MKHI_SEND_MAX_TIMEOUT_MSEC 4000
+
#define OSTYPE_LINUX 2
struct mei_os_ver {
__le16 build;
@@ -128,7 +130,7 @@ static int mei_osver(struct mei_cl_device *cldev)
os_ver = (struct mei_os_ver *)fwcaps->data;
os_ver->os_type = OSTYPE_LINUX;
- return __mei_cl_send(cldev->cl, buf, size, 0, mode);
+ return __mei_cl_send_timeout(cldev->cl, buf, size, 0, mode, MKHI_SEND_MAX_TIMEOUT_MSEC);
}
#define MKHI_FWVER_BUF_LEN (sizeof(struct mkhi_msg_hdr) + \
@@ -148,8 +150,8 @@ static int mei_fwver(struct mei_cl_device *cldev)
req.hdr.group_id = MKHI_GEN_GROUP_ID;
req.hdr.command = MKHI_GEN_GET_FW_VERSION_CMD;
- ret = __mei_cl_send(cldev->cl, (u8 *)&req, sizeof(req), 0,
- MEI_CL_IO_TX_BLOCKING);
+ ret = __mei_cl_send_timeout(cldev->cl, (u8 *)&req, sizeof(req), 0,
+ MEI_CL_IO_TX_BLOCKING, MKHI_SEND_MAX_TIMEOUT_MSEC);
if (ret < 0) {
dev_info(&cldev->dev, "Could not send ReqFWVersion cmd ret = %d\n", ret);
return ret;
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index f9bcff197615..67176caf5416 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -19,7 +19,7 @@
#include "mei_dev.h"
#include "client.h"
-#define to_mei_cl_driver(d) container_of(d, struct mei_cl_driver, driver)
+#define to_mei_cl_driver(d) container_of_const(d, struct mei_cl_driver, driver)
/**
* __mei_cl_send - internal client send (write)
@@ -145,8 +145,8 @@ out:
* @cl: host client
* @buf: buffer to receive
* @length: buffer length
- * @mode: io mode
* @vtag: virtual tag
+ * @mode: io mode
* @timeout: recv timeout, 0 for infinite timeout
*
* Return: read size in bytes of < 0 on error
@@ -324,28 +324,6 @@ ssize_t mei_cldev_recv_vtag(struct mei_cl_device *cldev, u8 *buf, size_t length,
EXPORT_SYMBOL_GPL(mei_cldev_recv_vtag);
/**
- * mei_cldev_recv_nonblock_vtag - non block client receive with vtag (read)
- *
- * @cldev: me client device
- * @buf: buffer to receive
- * @length: buffer length
- * @vtag: virtual tag
- *
- * Return:
- * * read size in bytes
- * * -EAGAIN if function will block.
- * * < 0 on other error
- */
-ssize_t mei_cldev_recv_nonblock_vtag(struct mei_cl_device *cldev, u8 *buf,
- size_t length, u8 *vtag)
-{
- struct mei_cl *cl = cldev->cl;
-
- return __mei_cl_recv(cl, buf, length, vtag, MEI_CL_IO_RX_NONBLOCK, 0);
-}
-EXPORT_SYMBOL_GPL(mei_cldev_recv_nonblock_vtag);
-
-/**
* mei_cldev_recv_timeout - client receive with timeout (read)
*
* @cldev: me client device
@@ -439,23 +417,6 @@ ssize_t mei_cldev_recv(struct mei_cl_device *cldev, u8 *buf, size_t length)
EXPORT_SYMBOL_GPL(mei_cldev_recv);
/**
- * mei_cldev_recv_nonblock - non block client receive (read)
- *
- * @cldev: me client device
- * @buf: buffer to receive
- * @length: buffer length
- *
- * Return: read size in bytes of < 0 on error
- * -EAGAIN if function will block.
- */
-ssize_t mei_cldev_recv_nonblock(struct mei_cl_device *cldev, u8 *buf,
- size_t length)
-{
- return mei_cldev_recv_nonblock_vtag(cldev, buf, length, NULL);
-}
-EXPORT_SYMBOL_GPL(mei_cldev_recv_nonblock);
-
-/**
* mei_cl_bus_rx_work - dispatch rx event for a bus device
*
* @work: work
@@ -641,19 +602,6 @@ void mei_cldev_set_drvdata(struct mei_cl_device *cldev, void *data)
EXPORT_SYMBOL_GPL(mei_cldev_set_drvdata);
/**
- * mei_cldev_uuid - return uuid of the underlying me client
- *
- * @cldev: mei client device
- *
- * Return: me client uuid
- */
-const uuid_le *mei_cldev_uuid(const struct mei_cl_device *cldev)
-{
- return mei_me_cl_uuid(cldev->me_cl);
-}
-EXPORT_SYMBOL_GPL(mei_cldev_uuid);
-
-/**
* mei_cldev_ver - return protocol version of the underlying me client
*
* @cldev: mei client device
@@ -1124,7 +1072,7 @@ struct mei_cl_device_id *mei_cl_device_find(const struct mei_cl_device *cldev,
*
* Return: 1 if matching device was found 0 otherwise
*/
-static int mei_cl_device_match(struct device *dev, struct device_driver *drv)
+static int mei_cl_device_match(struct device *dev, const struct device_driver *drv)
{
const struct mei_cl_device *cldev = to_mei_cl_device(dev);
const struct mei_cl_driver *cldrv = to_mei_cl_driver(drv);
@@ -1327,7 +1275,7 @@ static int mei_cl_device_uevent(const struct device *dev, struct kobj_uevent_env
return 0;
}
-static struct bus_type mei_cl_bus_type = {
+static const struct bus_type mei_cl_bus_type = {
.name = "mei",
.dev_groups = mei_cldev_groups,
.match = mei_cl_device_match,
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 9d090fa07516..3db07d2a881f 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -272,28 +272,6 @@ void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid)
}
/**
- * mei_me_cl_rm_by_uuid_id - remove all me clients matching client id
- *
- * @dev: the device structure
- * @uuid: me client uuid
- * @id: me client id
- *
- * Locking: called under "dev->device_lock" lock
- */
-void mei_me_cl_rm_by_uuid_id(struct mei_device *dev, const uuid_le *uuid, u8 id)
-{
- struct mei_me_client *me_cl;
-
- dev_dbg(dev->dev, "remove %pUl %d\n", uuid, id);
-
- down_write(&dev->me_clients_rwsem);
- me_cl = __mei_me_cl_by_uuid_id(dev, uuid, id);
- __mei_me_cl_del(dev, me_cl);
- mei_me_cl_put(me_cl);
- up_write(&dev->me_clients_rwsem);
-}
-
-/**
* mei_me_cl_rm_all - remove all me clients
*
* @dev: the device structure
@@ -321,7 +299,7 @@ void mei_io_cb_free(struct mei_cl_cb *cb)
return;
list_del(&cb->list);
- kfree(cb->buf.data);
+ kvfree(cb->buf.data);
kfree(cb->ext_hdr);
kfree(cb);
}
@@ -497,7 +475,7 @@ struct mei_cl_cb *mei_cl_alloc_cb(struct mei_cl *cl, size_t length,
if (length == 0)
return cb;
- cb->buf.data = kmalloc(roundup(length, MEI_SLOT_SIZE), GFP_KERNEL);
+ cb->buf.data = kvmalloc(roundup(length, MEI_SLOT_SIZE), GFP_KERNEL);
if (!cb->buf.data) {
mei_io_cb_free(cb);
return NULL;
diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h
index 9052860bcfe0..01ed26a148c4 100644
--- a/drivers/misc/mei/client.h
+++ b/drivers/misc/mei/client.h
@@ -29,8 +29,6 @@ struct mei_me_client *mei_me_cl_by_id(struct mei_device *dev, u8 client_id);
struct mei_me_client *mei_me_cl_by_uuid_id(struct mei_device *dev,
const uuid_le *uuid, u8 client_id);
void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid);
-void mei_me_cl_rm_by_uuid_id(struct mei_device *dev,
- const uuid_le *uuid, u8 id);
void mei_me_cl_rm_all(struct mei_device *dev);
/**
diff --git a/drivers/misc/mei/gsc-me.c b/drivers/misc/mei/gsc-me.c
index 6be8f1cc052c..5a8c26c3df13 100644
--- a/drivers/misc/mei/gsc-me.c
+++ b/drivers/misc/mei/gsc-me.c
@@ -144,9 +144,6 @@ static void mei_gsc_remove(struct auxiliary_device *aux_dev)
struct mei_me_hw *hw;
dev = dev_get_drvdata(&aux_dev->dev);
- if (!dev)
- return;
-
hw = to_me_hw(dev);
mei_stop(dev);
@@ -168,9 +165,6 @@ static int __maybe_unused mei_gsc_pm_suspend(struct device *device)
{
struct mei_device *dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mei_stop(dev);
mei_disable_interrupts(dev);
@@ -186,9 +180,6 @@ static int __maybe_unused mei_gsc_pm_resume(struct device *device)
int err;
struct mei_me_hw *hw;
- if (!dev)
- return -ENODEV;
-
hw = to_me_hw(dev);
aux_dev = to_auxiliary_dev(device);
adev = auxiliary_dev_to_mei_aux_dev(aux_dev);
@@ -211,8 +202,6 @@ static int __maybe_unused mei_gsc_pm_runtime_idle(struct device *device)
{
struct mei_device *dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
if (mei_write_is_idle(dev))
pm_runtime_autosuspend(device);
@@ -225,9 +214,6 @@ static int __maybe_unused mei_gsc_pm_runtime_suspend(struct device *device)
struct mei_me_hw *hw;
int ret;
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
if (mei_write_is_idle(dev)) {
@@ -252,9 +238,6 @@ static int __maybe_unused mei_gsc_pm_runtime_resume(struct device *device)
struct mei_me_hw *hw;
irqreturn_t irq_ret;
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
hw = to_me_hw(dev);
@@ -293,6 +276,10 @@ static const struct auxiliary_device_id mei_gsc_id_table[] = {
.driver_data = MEI_ME_GSCFI_CFG,
},
{
+ .name = "xe.mei-gscfi",
+ .driver_data = MEI_ME_GSCFI_CFG,
+ },
+ {
/* sentinel */
}
};
@@ -312,5 +299,6 @@ module_auxiliary_driver(mei_gsc_driver);
MODULE_AUTHOR("Intel Corporation");
MODULE_ALIAS("auxiliary:i915.mei-gsc");
MODULE_ALIAS("auxiliary:i915.mei-gscfi");
+MODULE_ALIAS("auxiliary:xe.mei-gscfi");
MODULE_DESCRIPTION("Intel(R) Graphics System Controller");
MODULE_LICENSE("GPL");
diff --git a/drivers/misc/mei/gsc_proxy/mei_gsc_proxy.c b/drivers/misc/mei/gsc_proxy/mei_gsc_proxy.c
index be52b113aea9..f52fe23a6c0b 100644
--- a/drivers/misc/mei/gsc_proxy/mei_gsc_proxy.c
+++ b/drivers/misc/mei/gsc_proxy/mei_gsc_proxy.c
@@ -17,8 +17,8 @@
#include <linux/slab.h>
#include <linux/uuid.h>
#include <drm/drm_connector.h>
-#include <drm/i915_component.h>
-#include <drm/i915_gsc_proxy_mei_interface.h>
+#include <drm/intel/i915_component.h>
+#include <drm/intel/i915_gsc_proxy_mei_interface.h>
/**
* mei_gsc_proxy_send - Sends a proxy message to ME FW.
@@ -96,7 +96,8 @@ static const struct component_master_ops mei_component_master_ops = {
*
* The function checks if the device is pci device and
* Intel VGA adapter, the subcomponent is SW Proxy
- * and the parent of MEI PCI and the parent of VGA are the same PCH device.
+ * and the VGA is on the bus 0 reserved for built-in devices
+ * to reject discrete GFX.
*
* @dev: master device
* @subcomponent: subcomponent to match (I915_COMPONENT_SWPROXY)
@@ -123,7 +124,8 @@ static int mei_gsc_proxy_component_match(struct device *dev, int subcomponent,
if (subcomponent != I915_COMPONENT_GSC_PROXY)
return 0;
- return component_compare_dev(dev->parent, ((struct device *)data)->parent);
+ /* Only built-in GFX */
+ return (pdev->bus->number == 0);
}
static int mei_gsc_proxy_probe(struct mei_cl_device *cldev,
@@ -146,7 +148,7 @@ static int mei_gsc_proxy_probe(struct mei_cl_device *cldev,
}
component_match_add_typed(&cldev->dev, &master_match,
- mei_gsc_proxy_component_match, cldev->dev.parent);
+ mei_gsc_proxy_component_match, NULL);
if (IS_ERR_OR_NULL(master_match)) {
ret = -ENOMEM;
goto err_exit;
diff --git a/drivers/misc/mei/hdcp/Kconfig b/drivers/misc/mei/hdcp/Kconfig
index 9be312ec798d..631dd9651d7c 100644
--- a/drivers/misc/mei/hdcp/Kconfig
+++ b/drivers/misc/mei/hdcp/Kconfig
@@ -4,7 +4,7 @@
config INTEL_MEI_HDCP
tristate "Intel HDCP2.2 services of ME Interface"
depends on INTEL_MEI_ME
- depends on DRM_I915
+ depends on DRM_I915 || DRM_XE
help
MEI Support for HDCP2.2 Services on Intel platforms.
diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
index 51359cc5ece9..323f10620d90 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.c
+++ b/drivers/misc/mei/hdcp/mei_hdcp.c
@@ -17,13 +17,14 @@
*/
#include <linux/module.h>
+#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/mei.h>
#include <linux/mei_cl_bus.h>
#include <linux/component.h>
#include <drm/drm_connector.h>
-#include <drm/i915_component.h>
-#include <drm/i915_hdcp_interface.h>
+#include <drm/intel/i915_component.h>
+#include <drm/intel/i915_hdcp_interface.h>
#include "mei_hdcp.h"
@@ -781,9 +782,18 @@ static int mei_hdcp_component_match(struct device *dev, int subcomponent,
void *data)
{
struct device *base = data;
+ struct pci_dev *pdev;
- if (!dev->driver || strcmp(dev->driver->name, "i915") ||
- subcomponent != I915_COMPONENT_HDCP)
+ if (!dev_is_pci(dev))
+ return 0;
+
+ pdev = to_pci_dev(dev);
+
+ if (pdev->class != (PCI_CLASS_DISPLAY_VGA << 8) ||
+ pdev->vendor != PCI_VENDOR_ID_INTEL)
+ return 0;
+
+ if (subcomponent != I915_COMPONENT_HDCP)
return 0;
base = base->parent;
diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index 961e5d53a27a..bc40b940ae21 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -112,6 +112,13 @@
#define MEI_DEV_ID_RPL_S 0x7A68 /* Raptor Lake Point S */
#define MEI_DEV_ID_MTL_M 0x7E70 /* Meteor Lake Point M */
+#define MEI_DEV_ID_ARL_S 0x7F68 /* Arrow Lake Point S */
+#define MEI_DEV_ID_ARL_H 0x7770 /* Arrow Lake Point H */
+
+#define MEI_DEV_ID_LNL_M 0xA870 /* Lunar Lake Point M */
+
+#define MEI_DEV_ID_PTL_H 0xE370 /* Panther Lake H */
+#define MEI_DEV_ID_PTL_P 0xE470 /* Panther Lake P */
/*
* MEI HW Section
diff --git a/drivers/misc/mei/hw-txe.c b/drivers/misc/mei/hw-txe.c
index 5d0f68b95c29..e9476f9ae25d 100644
--- a/drivers/misc/mei/hw-txe.c
+++ b/drivers/misc/mei/hw-txe.c
@@ -1209,48 +1209,3 @@ struct mei_device *mei_txe_dev_init(struct pci_dev *pdev)
return dev;
}
-
-/**
- * mei_txe_setup_satt2 - SATT2 configuration for DMA support.
- *
- * @dev: the device structure
- * @addr: physical address start of the range
- * @range: physical range size
- *
- * Return: 0 on success an error code otherwise
- */
-int mei_txe_setup_satt2(struct mei_device *dev, phys_addr_t addr, u32 range)
-{
- struct mei_txe_hw *hw = to_txe_hw(dev);
-
- u32 lo32 = lower_32_bits(addr);
- u32 hi32 = upper_32_bits(addr);
- u32 ctrl;
-
- /* SATT is limited to 36 Bits */
- if (hi32 & ~0xF)
- return -EINVAL;
-
- /* SATT has to be 16Byte aligned */
- if (lo32 & 0xF)
- return -EINVAL;
-
- /* SATT range has to be 4Bytes aligned */
- if (range & 0x4)
- return -EINVAL;
-
- /* SATT is limited to 32 MB range*/
- if (range > SATT_RANGE_MAX)
- return -EINVAL;
-
- ctrl = SATT2_CTRL_VALID_MSK;
- ctrl |= hi32 << SATT2_CTRL_BR_BASE_ADDR_REG_SHIFT;
-
- mei_txe_br_reg_write(hw, SATT2_SAP_SIZE_REG, range);
- mei_txe_br_reg_write(hw, SATT2_BRG_BA_LSB_REG, lo32);
- mei_txe_br_reg_write(hw, SATT2_CTRL_REG, ctrl);
- dev_dbg(dev->dev, "SATT2: SAP_SIZE_OFFSET=0x%08X, BRG_BA_LSB_OFFSET=0x%08X, CTRL_OFFSET=0x%08X\n",
- range, lo32, ctrl);
-
- return 0;
-}
diff --git a/drivers/misc/mei/hw-txe.h b/drivers/misc/mei/hw-txe.h
index 96511b04bf88..6790e646895d 100644
--- a/drivers/misc/mei/hw-txe.h
+++ b/drivers/misc/mei/hw-txe.h
@@ -59,7 +59,5 @@ irqreturn_t mei_txe_irq_thread_handler(int irq, void *dev_id);
int mei_txe_aliveness_set_sync(struct mei_device *dev, u32 req);
-int mei_txe_setup_satt2(struct mei_device *dev, phys_addr_t addr, u32 range);
-
#endif /* _MEI_HW_TXE_H_ */
diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h
index eb800a07a84b..2e9cf6f4efb6 100644
--- a/drivers/misc/mei/hw.h
+++ b/drivers/misc/mei/hw.h
@@ -247,12 +247,10 @@ enum mei_ext_hdr_type {
* struct mei_ext_hdr - extend header descriptor (TLV)
* @type: enum mei_ext_hdr_type
* @length: length excluding descriptor
- * @data: the extended header payload
*/
struct mei_ext_hdr {
u8 type;
u8 length;
- u8 data[];
} __packed;
/**
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index b09b79fedaba..c484f416fae4 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -133,7 +133,7 @@ static int mei_cl_irq_read_msg(struct mei_cl *cl,
break;
case MEI_EXT_HDR_GSC:
gsc_f2h = (struct mei_ext_hdr_gsc_f2h *)ext;
- cb->ext_hdr = kzalloc(sizeof(*gsc_f2h), GFP_KERNEL);
+ cb->ext_hdr = (struct mei_ext_hdr *)kzalloc(sizeof(*gsc_f2h), GFP_KERNEL);
if (!cb->ext_hdr) {
cb->status = -ENOMEM;
goto discard;
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 79e6f3c1341f..1f5aaf16e300 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -329,7 +329,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
}
if (!mei_cl_is_connected(cl)) {
- cl_err(dev, cl, "is not connected");
+ cl_dbg(dev, cl, "is not connected");
rets = -ENODEV;
goto out;
}
@@ -1176,7 +1176,6 @@ static const struct file_operations mei_fops = {
.poll = mei_poll,
.fsync = mei_fsync,
.fasync = mei_fasync,
- .llseek = no_llseek
};
/**
diff --git a/drivers/misc/mei/mei-trace.h b/drivers/misc/mei/mei-trace.h
index fe46ff2b9d69..5312edbf5190 100644
--- a/drivers/misc/mei/mei-trace.h
+++ b/drivers/misc/mei/mei-trace.h
@@ -26,7 +26,7 @@ TRACE_EVENT(mei_reg_read,
__field(u32, val)
),
TP_fast_assign(
- __assign_str(dev, dev_name(dev));
+ __assign_str(dev);
__entry->reg = reg;
__entry->offs = offs;
__entry->val = val;
@@ -45,7 +45,7 @@ TRACE_EVENT(mei_reg_write,
__field(u32, val)
),
TP_fast_assign(
- __assign_str(dev, dev_name(dev));
+ __assign_str(dev);
__entry->reg = reg;
__entry->offs = offs;
__entry->val = val;
@@ -64,7 +64,7 @@ TRACE_EVENT(mei_pci_cfg_read,
__field(u32, val)
),
TP_fast_assign(
- __assign_str(dev, dev_name(dev));
+ __assign_str(dev);
__entry->reg = reg;
__entry->offs = offs;
__entry->val = val;
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 676d566f38dd..3f9c60b579ae 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -116,9 +116,16 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_ADP_P, MEI_ME_PCH15_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_ADP_N, MEI_ME_PCH15_CFG)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_SPS_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_MTL_M, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ARL_S, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ARL_H, MEI_ME_PCH15_CFG)},
+
+ {MEI_PCI_DEVICE(MEI_DEV_ID_LNL_M, MEI_ME_PCH15_CFG)},
+
+ {MEI_PCI_DEVICE(MEI_DEV_ID_PTL_H, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_PTL_P, MEI_ME_PCH15_CFG)},
/* required last entry */
{0, }
@@ -295,11 +302,7 @@ end:
*/
static void mei_me_shutdown(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return;
+ struct mei_device *dev = pci_get_drvdata(pdev);
dev_dbg(&pdev->dev, "shutdown\n");
mei_stop(dev);
@@ -320,11 +323,7 @@ static void mei_me_shutdown(struct pci_dev *pdev)
*/
static void mei_me_remove(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return;
+ struct mei_device *dev = pci_get_drvdata(pdev);
if (mei_pg_is_enabled(dev))
pm_runtime_get_noresume(&pdev->dev);
@@ -353,9 +352,6 @@ static int mei_me_pci_suspend(struct device *device)
struct pci_dev *pdev = to_pci_dev(device);
struct mei_device *dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
dev_dbg(&pdev->dev, "suspend\n");
mei_stop(dev);
@@ -371,14 +367,10 @@ static int mei_me_pci_suspend(struct device *device)
static int mei_me_pci_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
- struct mei_device *dev;
+ struct mei_device *dev = pci_get_drvdata(pdev);
unsigned int irqflags;
int err;
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
pci_enable_msi(pdev);
irqflags = pci_dev_msi_enabled(pdev) ? IRQF_ONESHOT : IRQF_SHARED;
@@ -396,8 +388,10 @@ static int mei_me_pci_resume(struct device *device)
}
err = mei_restart(dev);
- if (err)
+ if (err) {
+ free_irq(pdev->irq, dev);
return err;
+ }
/* Start timer if stopped in suspend */
schedule_delayed_work(&dev->timer_work, HZ);
@@ -419,13 +413,10 @@ static void mei_me_pci_complete(struct device *device)
#ifdef CONFIG_PM
static int mei_me_pm_runtime_idle(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
dev_dbg(device, "rpm: me: runtime_idle\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
if (mei_write_is_idle(dev))
pm_runtime_autosuspend(device);
@@ -434,15 +425,11 @@ static int mei_me_pm_runtime_idle(struct device *device)
static int mei_me_pm_runtime_suspend(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: me: runtime suspend\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
if (mei_write_is_idle(dev))
@@ -462,15 +449,11 @@ static int mei_me_pm_runtime_suspend(struct device *device)
static int mei_me_pm_runtime_resume(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: me: runtime resume\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
ret = mei_me_pg_exit_sync(dev);
diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c
index fa20d9a27813..2a584104ba38 100644
--- a/drivers/misc/mei/pci-txe.c
+++ b/drivers/misc/mei/pci-txe.c
@@ -166,11 +166,7 @@ end:
*/
static void mei_txe_shutdown(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return;
+ struct mei_device *dev = pci_get_drvdata(pdev);
dev_dbg(&pdev->dev, "shutdown\n");
mei_stop(dev);
@@ -191,13 +187,7 @@ static void mei_txe_shutdown(struct pci_dev *pdev)
*/
static void mei_txe_remove(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev) {
- dev_err(&pdev->dev, "mei: dev == NULL\n");
- return;
- }
+ struct mei_device *dev = pci_get_drvdata(pdev);
pm_runtime_get_noresume(&pdev->dev);
@@ -218,9 +208,6 @@ static int mei_txe_pci_suspend(struct device *device)
struct pci_dev *pdev = to_pci_dev(device);
struct mei_device *dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
dev_dbg(&pdev->dev, "suspend\n");
mei_stop(dev);
@@ -236,13 +223,9 @@ static int mei_txe_pci_suspend(struct device *device)
static int mei_txe_pci_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
- struct mei_device *dev;
+ struct mei_device *dev = pci_get_drvdata(pdev);
int err;
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
pci_enable_msi(pdev);
mei_clear_interrupts(dev);
@@ -273,13 +256,10 @@ static int mei_txe_pci_resume(struct device *device)
#ifdef CONFIG_PM
static int mei_txe_pm_runtime_idle(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
dev_dbg(device, "rpm: txe: runtime_idle\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
if (mei_write_is_idle(dev))
pm_runtime_autosuspend(device);
@@ -287,15 +267,11 @@ static int mei_txe_pm_runtime_idle(struct device *device)
}
static int mei_txe_pm_runtime_suspend(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: txe: runtime suspend\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
if (mei_write_is_idle(dev))
@@ -317,15 +293,11 @@ static int mei_txe_pm_runtime_suspend(struct device *device)
static int mei_txe_pm_runtime_resume(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: txe: runtime resume\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
mei_enable_interrupts(dev);
diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vsc.c
index 8d303c6c0000..435760b1e86f 100644
--- a/drivers/misc/mei/platform-vsc.c
+++ b/drivers/misc/mei/platform-vsc.c
@@ -19,7 +19,7 @@
#include <linux/types.h>
#include <asm-generic/bug.h>
-#include <asm-generic/unaligned.h>
+#include <linux/unaligned.h>
#include "mei_dev.h"
#include "vsc-tp.h"
@@ -28,8 +28,8 @@
#define MEI_VSC_MAX_MSG_SIZE 512
-#define MEI_VSC_POLL_DELAY_US (50 * USEC_PER_MSEC)
-#define MEI_VSC_POLL_TIMEOUT_US (200 * USEC_PER_MSEC)
+#define MEI_VSC_POLL_DELAY_US (100 * USEC_PER_MSEC)
+#define MEI_VSC_POLL_TIMEOUT_US (400 * USEC_PER_MSEC)
#define mei_dev_to_vsc_hw(dev) ((struct mei_vsc_hw *)((dev)->hw))
@@ -256,8 +256,6 @@ static int mei_vsc_hw_reset(struct mei_device *mei_dev, bool intr_enable)
vsc_tp_reset(hw->tp);
- vsc_tp_intr_disable(hw->tp);
-
return vsc_tp_init(hw->tp, mei_dev->dev);
}
@@ -384,7 +382,7 @@ err_cancel:
return ret;
}
-static int mei_vsc_remove(struct platform_device *pdev)
+static void mei_vsc_remove(struct platform_device *pdev)
{
struct mei_device *mei_dev = platform_get_drvdata(pdev);
@@ -395,30 +393,34 @@ static int mei_vsc_remove(struct platform_device *pdev)
mei_disable_interrupts(mei_dev);
mei_deregister(mei_dev);
-
- return 0;
}
static int mei_vsc_suspend(struct device *dev)
{
- struct mei_device *mei_dev = dev_get_drvdata(dev);
+ struct mei_device *mei_dev;
+ int ret = 0;
- mei_stop(mei_dev);
+ mei_dev = dev_get_drvdata(dev);
+ if (!mei_dev)
+ return -ENODEV;
- return 0;
+ mutex_lock(&mei_dev->device_lock);
+
+ if (!mei_write_is_idle(mei_dev))
+ ret = -EAGAIN;
+
+ mutex_unlock(&mei_dev->device_lock);
+
+ return ret;
}
static int mei_vsc_resume(struct device *dev)
{
- struct mei_device *mei_dev = dev_get_drvdata(dev);
- int ret;
-
- ret = mei_restart(mei_dev);
- if (ret)
- return ret;
+ struct mei_device *mei_dev;
- /* start timer if stopped in suspend */
- schedule_delayed_work(&mei_dev->timer_work, HZ);
+ mei_dev = dev_get_drvdata(dev);
+ if (!mei_dev)
+ return -ENODEV;
return 0;
}
@@ -447,4 +449,4 @@ MODULE_AUTHOR("Wentong Wu <wentong.wu@intel.com>");
MODULE_AUTHOR("Zhifeng Wang <zhifeng.wang@intel.com>");
MODULE_DESCRIPTION("Intel Visual Sensing Controller Interface");
MODULE_LICENSE("GPL");
-MODULE_IMPORT_NS(VSC_TP);
+MODULE_IMPORT_NS("VSC_TP");
diff --git a/drivers/misc/mei/pxp/Kconfig b/drivers/misc/mei/pxp/Kconfig
index e9219b61cd92..aa2dece4a927 100644
--- a/drivers/misc/mei/pxp/Kconfig
+++ b/drivers/misc/mei/pxp/Kconfig
@@ -4,7 +4,7 @@
config INTEL_MEI_PXP
tristate "Intel PXP services of ME Interface"
depends on INTEL_MEI_ME
- depends on DRM_I915
+ depends on DRM_I915 || DRM_XE
help
MEI Support for PXP Services on Intel platforms.
diff --git a/drivers/misc/mei/pxp/mei_pxp.c b/drivers/misc/mei/pxp/mei_pxp.c
index 787c6a27a4be..2820d389c88e 100644
--- a/drivers/misc/mei/pxp/mei_pxp.c
+++ b/drivers/misc/mei/pxp/mei_pxp.c
@@ -13,13 +13,14 @@
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/mei.h>
#include <linux/mei_cl_bus.h>
#include <linux/component.h>
#include <drm/drm_connector.h>
-#include <drm/i915_component.h>
-#include <drm/i915_pxp_tee_interface.h>
+#include <drm/intel/i915_component.h>
+#include <drm/intel/i915_pxp_tee_interface.h>
#include "mei_pxp.h"
@@ -225,12 +226,24 @@ static int mei_pxp_component_match(struct device *dev, int subcomponent,
void *data)
{
struct device *base = data;
+ struct pci_dev *pdev;
if (!dev)
return 0;
- if (!dev->driver || strcmp(dev->driver->name, "i915") ||
- subcomponent != I915_COMPONENT_PXP)
+ if (!dev_is_pci(dev))
+ return 0;
+
+ pdev = to_pci_dev(dev);
+
+ if (pdev->vendor != PCI_VENDOR_ID_INTEL)
+ return 0;
+
+ if (pdev->class != (PCI_CLASS_DISPLAY_VGA << 8) &&
+ pdev->class != (PCI_CLASS_DISPLAY_OTHER << 8))
+ return 0;
+
+ if (subcomponent != I915_COMPONENT_PXP)
return 0;
base = base->parent;
diff --git a/drivers/misc/mei/vsc-fw-loader.c b/drivers/misc/mei/vsc-fw-loader.c
index ffa4ccd96a10..43abefa806e1 100644
--- a/drivers/misc/mei/vsc-fw-loader.c
+++ b/drivers/misc/mei/vsc-fw-loader.c
@@ -15,7 +15,7 @@
#include <linux/string_helpers.h>
#include <linux/types.h>
-#include <asm-generic/unaligned.h>
+#include <linux/unaligned.h>
#include "vsc-tp.h"
@@ -204,7 +204,7 @@ struct vsc_img_frag {
/**
* struct vsc_fw_loader - represent vsc firmware loader
- * @dev: device used to request fimware
+ * @dev: device used to request firmware
* @tp: transport layer used with the firmware loader
* @csi: CSI image
* @ace: ACE image
@@ -252,7 +252,7 @@ static int vsc_get_sensor_name(struct vsc_fw_loader *fw_loader,
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER };
union acpi_object obj = {
- .type = ACPI_TYPE_INTEGER,
+ .integer.type = ACPI_TYPE_INTEGER,
.integer.value = 1,
};
struct acpi_object_list arg_list = {
@@ -317,28 +317,34 @@ static int vsc_identify_silicon(struct vsc_fw_loader *fw_loader)
cmd->data.dump_mem.addr = cpu_to_le32(VSC_EFUSE_ADDR);
cmd->data.dump_mem.len = cpu_to_le16(sizeof(__le32));
ret = vsc_tp_rom_xfer(fw_loader->tp, cmd, ack, VSC_ROM_PKG_SIZE);
- if (ret)
- return ret;
- if (ack->token == VSC_TOKEN_ERROR)
- return -EINVAL;
+ if (ret || ack->token == VSC_TOKEN_ERROR) {
+ dev_err(fw_loader->dev, "CMD_DUMP_MEM error %d token %d\n", ret, ack->token);
+ return ret ?: -EINVAL;
+ }
cmd->magic = cpu_to_le32(VSC_MAGIC_NUM);
cmd->cmd_id = VSC_CMD_GET_CONT;
ret = vsc_tp_rom_xfer(fw_loader->tp, cmd, ack, VSC_ROM_PKG_SIZE);
- if (ret)
- return ret;
- if (ack->token != VSC_TOKEN_DUMP_RESP)
- return -EINVAL;
+ if (ret || ack->token != VSC_TOKEN_DUMP_RESP) {
+ dev_err(fw_loader->dev, "CMD_GETCONT error %d token %d\n", ret, ack->token);
+ return ret ?: -EINVAL;
+ }
version = FIELD_GET(VSC_MAINSTEPPING_VERSION_MASK, ack->payload[0]);
sub_version = FIELD_GET(VSC_SUBSTEPPING_VERSION_MASK, ack->payload[0]);
- if (version != VSC_MAINSTEPPING_VERSION_A)
+ if (version != VSC_MAINSTEPPING_VERSION_A) {
+ dev_err(fw_loader->dev, "mainstepping mismatch expected %d got %d\n",
+ VSC_MAINSTEPPING_VERSION_A, version);
return -EINVAL;
+ }
if (sub_version != VSC_SUBSTEPPING_VERSION_0 &&
- sub_version != VSC_SUBSTEPPING_VERSION_1)
+ sub_version != VSC_SUBSTEPPING_VERSION_1) {
+ dev_err(fw_loader->dev, "substepping %d is out of supported range %d - %d\n",
+ sub_version, VSC_SUBSTEPPING_VERSION_0, VSC_SUBSTEPPING_VERSION_1);
return -EINVAL;
+ }
dev_info(fw_loader->dev, "silicon stepping version is %u:%u\n",
version, sub_version);
@@ -767,4 +773,4 @@ err_release_csi:
return ret;
}
-EXPORT_SYMBOL_NS_GPL(vsc_tp_init, VSC_TP);
+EXPORT_SYMBOL_NS_GPL(vsc_tp_init, "VSC_TP");
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c
index 6f4a4be6ccb5..267d0de5fade 100644
--- a/drivers/misc/mei/vsc-tp.c
+++ b/drivers/misc/mei/vsc-tp.c
@@ -25,7 +25,8 @@
#define VSC_TP_ROM_BOOTUP_DELAY_MS 10
#define VSC_TP_ROM_XFER_POLL_TIMEOUT_US (500 * USEC_PER_MSEC)
#define VSC_TP_ROM_XFER_POLL_DELAY_US (20 * USEC_PER_MSEC)
-#define VSC_TP_WAIT_FW_ASSERTED_TIMEOUT (2 * HZ)
+#define VSC_TP_WAIT_FW_POLL_TIMEOUT (2 * HZ)
+#define VSC_TP_WAIT_FW_POLL_DELAY_US (20 * USEC_PER_MSEC)
#define VSC_TP_MAX_XFER_COUNT 5
#define VSC_TP_PACKET_SYNC 0x31
@@ -35,20 +36,24 @@
#define VSC_TP_XFER_TIMEOUT_BYTES 700
#define VSC_TP_PACKET_PADDING_SIZE 1
#define VSC_TP_PACKET_SIZE(pkt) \
- (sizeof(struct vsc_tp_packet) + le16_to_cpu((pkt)->len) + VSC_TP_CRC_SIZE)
+ (sizeof(struct vsc_tp_packet_hdr) + le16_to_cpu((pkt)->hdr.len) + VSC_TP_CRC_SIZE)
#define VSC_TP_MAX_PACKET_SIZE \
- (sizeof(struct vsc_tp_packet) + VSC_TP_MAX_MSG_SIZE + VSC_TP_CRC_SIZE)
+ (sizeof(struct vsc_tp_packet_hdr) + VSC_TP_MAX_MSG_SIZE + VSC_TP_CRC_SIZE)
#define VSC_TP_MAX_XFER_SIZE \
(VSC_TP_MAX_PACKET_SIZE + VSC_TP_XFER_TIMEOUT_BYTES)
#define VSC_TP_NEXT_XFER_LEN(len, offset) \
- (len + sizeof(struct vsc_tp_packet) + VSC_TP_CRC_SIZE - offset + VSC_TP_PACKET_PADDING_SIZE)
+ (len + sizeof(struct vsc_tp_packet_hdr) + VSC_TP_CRC_SIZE - offset + VSC_TP_PACKET_PADDING_SIZE)
-struct vsc_tp_packet {
+struct vsc_tp_packet_hdr {
__u8 sync;
__u8 cmd;
__le16 len;
__le32 seq;
- __u8 buf[] __counted_by(len);
+};
+
+struct vsc_tp_packet {
+ struct vsc_tp_packet_hdr hdr;
+ __u8 buf[VSC_TP_MAX_XFER_SIZE - sizeof(struct vsc_tp_packet_hdr)];
};
struct vsc_tp {
@@ -66,8 +71,8 @@ struct vsc_tp {
u32 seq;
/* command buffer */
- void *tx_buf;
- void *rx_buf;
+ struct vsc_tp_packet *tx_buf;
+ struct vsc_tp_packet *rx_buf;
atomic_t assert_cnt;
wait_queue_head_t xfer_wait;
@@ -93,6 +98,27 @@ static const struct acpi_gpio_mapping vsc_tp_acpi_gpios[] = {
{}
};
+static irqreturn_t vsc_tp_isr(int irq, void *data)
+{
+ struct vsc_tp *tp = data;
+
+ atomic_inc(&tp->assert_cnt);
+
+ wake_up(&tp->xfer_wait);
+
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t vsc_tp_thread_isr(int irq, void *data)
+{
+ struct vsc_tp *tp = data;
+
+ if (tp->event_notify)
+ tp->event_notify(tp->event_notify_context);
+
+ return IRQ_HANDLED;
+}
+
/* wakeup firmware and wait for response */
static int vsc_tp_wakeup_request(struct vsc_tp *tp)
{
@@ -101,13 +127,15 @@ static int vsc_tp_wakeup_request(struct vsc_tp *tp)
gpiod_set_value_cansleep(tp->wakeupfw, 0);
ret = wait_event_timeout(tp->xfer_wait,
- atomic_read(&tp->assert_cnt) &&
- gpiod_get_value_cansleep(tp->wakeuphost),
- VSC_TP_WAIT_FW_ASSERTED_TIMEOUT);
+ atomic_read(&tp->assert_cnt),
+ VSC_TP_WAIT_FW_POLL_TIMEOUT);
if (!ret)
return -ETIMEDOUT;
- return 0;
+ return read_poll_timeout(gpiod_get_value_cansleep, ret, ret,
+ VSC_TP_WAIT_FW_POLL_DELAY_US,
+ VSC_TP_WAIT_FW_POLL_TIMEOUT, false,
+ tp->wakeuphost);
}
static void vsc_tp_wakeup_release(struct vsc_tp *tp)
@@ -134,12 +162,12 @@ static int vsc_tp_dev_xfer(struct vsc_tp *tp, void *obuf, void *ibuf, size_t len
static int vsc_tp_xfer_helper(struct vsc_tp *tp, struct vsc_tp_packet *pkt,
void *ibuf, u16 ilen)
{
- int ret, offset = 0, cpy_len, src_len, dst_len = sizeof(struct vsc_tp_packet);
+ int ret, offset = 0, cpy_len, src_len, dst_len = sizeof(struct vsc_tp_packet_hdr);
int next_xfer_len = VSC_TP_PACKET_SIZE(pkt) + VSC_TP_XFER_TIMEOUT_BYTES;
- u8 *src, *crc_src, *rx_buf = tp->rx_buf;
+ u8 *src, *crc_src, *rx_buf = (u8 *)tp->rx_buf;
int count_down = VSC_TP_MAX_XFER_COUNT;
u32 recv_crc = 0, crc = ~0;
- struct vsc_tp_packet ack;
+ struct vsc_tp_packet_hdr ack;
u8 *dst = (u8 *)&ack;
bool synced = false;
@@ -256,10 +284,10 @@ int vsc_tp_xfer(struct vsc_tp *tp, u8 cmd, const void *obuf, size_t olen,
guard(mutex)(&tp->mutex);
- pkt->sync = VSC_TP_PACKET_SYNC;
- pkt->cmd = cmd;
- pkt->len = cpu_to_le16(olen);
- pkt->seq = cpu_to_le32(++tp->seq);
+ pkt->hdr.sync = VSC_TP_PACKET_SYNC;
+ pkt->hdr.cmd = cmd;
+ pkt->hdr.len = cpu_to_le16(olen);
+ pkt->hdr.seq = cpu_to_le32(++tp->seq);
memcpy(pkt->buf, obuf, olen);
crc = ~crc32(~0, (u8 *)pkt, sizeof(pkt) + olen);
@@ -275,7 +303,7 @@ int vsc_tp_xfer(struct vsc_tp *tp, u8 cmd, const void *obuf, size_t olen,
return ret;
}
-EXPORT_SYMBOL_NS_GPL(vsc_tp_xfer, VSC_TP);
+EXPORT_SYMBOL_NS_GPL(vsc_tp_xfer, "VSC_TP");
/**
* vsc_tp_rom_xfer - transfer data to rom code
@@ -296,7 +324,7 @@ int vsc_tp_rom_xfer(struct vsc_tp *tp, const void *obuf, void *ibuf, size_t len)
guard(mutex)(&tp->mutex);
/* rom xfer is big endian */
- cpu_to_be32_array(tp->tx_buf, obuf, words);
+ cpu_to_be32_array((__be32 *)tp->tx_buf, obuf, words);
ret = read_poll_timeout(gpiod_get_value_cansleep, ret,
!ret, VSC_TP_ROM_XFER_POLL_DELAY_US,
@@ -307,12 +335,12 @@ int vsc_tp_rom_xfer(struct vsc_tp *tp, const void *obuf, void *ibuf, size_t len)
return ret;
}
- ret = vsc_tp_dev_xfer(tp, tp->tx_buf, tp->rx_buf, len);
+ ret = vsc_tp_dev_xfer(tp, tp->tx_buf, ibuf ? tp->rx_buf : NULL, len);
if (ret)
return ret;
if (ibuf)
- cpu_to_be32_array(ibuf, tp->rx_buf, words);
+ be32_to_cpu_array(ibuf, (__be32 *)tp->rx_buf, words);
return ret;
}
@@ -340,10 +368,8 @@ void vsc_tp_reset(struct vsc_tp *tp)
gpiod_set_value_cansleep(tp->wakeupfw, 1);
atomic_set(&tp->assert_cnt, 0);
-
- enable_irq(tp->spi->irq);
}
-EXPORT_SYMBOL_NS_GPL(vsc_tp_reset, VSC_TP);
+EXPORT_SYMBOL_NS_GPL(vsc_tp_reset, "VSC_TP");
/**
* vsc_tp_need_read - check if device has data to sent
@@ -361,7 +387,7 @@ bool vsc_tp_need_read(struct vsc_tp *tp)
return true;
}
-EXPORT_SYMBOL_NS_GPL(vsc_tp_need_read, VSC_TP);
+EXPORT_SYMBOL_NS_GPL(vsc_tp_need_read, "VSC_TP");
/**
* vsc_tp_register_event_cb - register a callback function to receive event
@@ -378,7 +404,38 @@ int vsc_tp_register_event_cb(struct vsc_tp *tp, vsc_tp_event_cb_t event_cb,
return 0;
}
-EXPORT_SYMBOL_NS_GPL(vsc_tp_register_event_cb, VSC_TP);
+EXPORT_SYMBOL_NS_GPL(vsc_tp_register_event_cb, "VSC_TP");
+
+/**
+ * vsc_tp_request_irq - request irq for vsc_tp device
+ * @tp: vsc_tp device handle
+ */
+int vsc_tp_request_irq(struct vsc_tp *tp)
+{
+ struct spi_device *spi = tp->spi;
+ struct device *dev = &spi->dev;
+ int ret;
+
+ irq_set_status_flags(spi->irq, IRQ_DISABLE_UNLAZY);
+ ret = request_threaded_irq(spi->irq, vsc_tp_isr, vsc_tp_thread_isr,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ dev_name(dev), tp);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+EXPORT_SYMBOL_NS_GPL(vsc_tp_request_irq, "VSC_TP");
+
+/**
+ * vsc_tp_free_irq - free irq for vsc_tp device
+ * @tp: vsc_tp device handle
+ */
+void vsc_tp_free_irq(struct vsc_tp *tp)
+{
+ free_irq(tp->spi->irq, tp);
+}
+EXPORT_SYMBOL_NS_GPL(vsc_tp_free_irq, "VSC_TP");
/**
* vsc_tp_intr_synchronize - synchronize vsc_tp interrupt
@@ -388,7 +445,7 @@ void vsc_tp_intr_synchronize(struct vsc_tp *tp)
{
synchronize_irq(tp->spi->irq);
}
-EXPORT_SYMBOL_NS_GPL(vsc_tp_intr_synchronize, VSC_TP);
+EXPORT_SYMBOL_NS_GPL(vsc_tp_intr_synchronize, "VSC_TP");
/**
* vsc_tp_intr_enable - enable vsc_tp interrupt
@@ -398,7 +455,7 @@ void vsc_tp_intr_enable(struct vsc_tp *tp)
{
enable_irq(tp->spi->irq);
}
-EXPORT_SYMBOL_NS_GPL(vsc_tp_intr_enable, VSC_TP);
+EXPORT_SYMBOL_NS_GPL(vsc_tp_intr_enable, "VSC_TP");
/**
* vsc_tp_intr_disable - disable vsc_tp interrupt
@@ -408,28 +465,7 @@ void vsc_tp_intr_disable(struct vsc_tp *tp)
{
disable_irq(tp->spi->irq);
}
-EXPORT_SYMBOL_NS_GPL(vsc_tp_intr_disable, VSC_TP);
-
-static irqreturn_t vsc_tp_isr(int irq, void *data)
-{
- struct vsc_tp *tp = data;
-
- atomic_inc(&tp->assert_cnt);
-
- wake_up(&tp->xfer_wait);
-
- return IRQ_WAKE_THREAD;
-}
-
-static irqreturn_t vsc_tp_thread_isr(int irq, void *data)
-{
- struct vsc_tp *tp = data;
-
- if (tp->event_notify)
- tp->event_notify(tp->event_notify_context);
-
- return IRQ_HANDLED;
-}
+EXPORT_SYMBOL_NS_GPL(vsc_tp_intr_disable, "VSC_TP");
static int vsc_tp_match_any(struct acpi_device *adev, void *data)
{
@@ -442,22 +478,27 @@ static int vsc_tp_match_any(struct acpi_device *adev, void *data)
static int vsc_tp_probe(struct spi_device *spi)
{
- struct platform_device_info pinfo = { 0 };
+ struct vsc_tp *tp;
+ struct platform_device_info pinfo = {
+ .name = "intel_vsc",
+ .data = &tp,
+ .size_data = sizeof(tp),
+ .id = PLATFORM_DEVID_NONE,
+ };
struct device *dev = &spi->dev;
struct platform_device *pdev;
struct acpi_device *adev;
- struct vsc_tp *tp;
int ret;
tp = devm_kzalloc(dev, sizeof(*tp), GFP_KERNEL);
if (!tp)
return -ENOMEM;
- tp->tx_buf = devm_kzalloc(dev, VSC_TP_MAX_XFER_SIZE, GFP_KERNEL);
+ tp->tx_buf = devm_kzalloc(dev, sizeof(*tp->tx_buf), GFP_KERNEL);
if (!tp->tx_buf)
return -ENOMEM;
- tp->rx_buf = devm_kzalloc(dev, VSC_TP_MAX_XFER_SIZE, GFP_KERNEL);
+ tp->rx_buf = devm_kzalloc(dev, sizeof(*tp->rx_buf), GFP_KERNEL);
if (!tp->rx_buf)
return -ENOMEM;
@@ -465,7 +506,7 @@ static int vsc_tp_probe(struct spi_device *spi)
if (ret)
return ret;
- tp->wakeuphost = devm_gpiod_get(dev, "wakeuphost", GPIOD_IN);
+ tp->wakeuphost = devm_gpiod_get(dev, "wakeuphostint", GPIOD_IN);
if (IS_ERR(tp->wakeuphost))
return PTR_ERR(tp->wakeuphost);
@@ -482,10 +523,9 @@ static int vsc_tp_probe(struct spi_device *spi)
tp->spi = spi;
irq_set_status_flags(spi->irq, IRQ_DISABLE_UNLAZY);
- ret = devm_request_threaded_irq(dev, spi->irq, vsc_tp_isr,
- vsc_tp_thread_isr,
- IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- dev_name(dev), tp);
+ ret = request_threaded_irq(spi->irq, vsc_tp_isr, vsc_tp_thread_isr,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ dev_name(dev), tp);
if (ret)
return ret;
@@ -498,13 +538,8 @@ static int vsc_tp_probe(struct spi_device *spi)
ret = -ENODEV;
goto err_destroy_lock;
}
- pinfo.fwnode = acpi_fwnode_handle(adev);
-
- pinfo.name = "intel_vsc";
- pinfo.data = &tp;
- pinfo.size_data = sizeof(tp);
- pinfo.id = PLATFORM_DEVID_NONE;
+ pinfo.fwnode = acpi_fwnode_handle(adev);
pdev = platform_device_register_full(&pinfo);
if (IS_ERR(pdev)) {
ret = PTR_ERR(pdev);
@@ -519,6 +554,8 @@ static int vsc_tp_probe(struct spi_device *spi)
err_destroy_lock:
mutex_destroy(&tp->mutex);
+ free_irq(spi->irq, tp);
+
return ret;
}
@@ -529,12 +566,28 @@ static void vsc_tp_remove(struct spi_device *spi)
platform_device_unregister(tp->pdev);
mutex_destroy(&tp->mutex);
+
+ free_irq(spi->irq, tp);
+}
+
+static void vsc_tp_shutdown(struct spi_device *spi)
+{
+ struct vsc_tp *tp = spi_get_drvdata(spi);
+
+ platform_device_unregister(tp->pdev);
+
+ mutex_destroy(&tp->mutex);
+
+ vsc_tp_reset(tp);
+
+ free_irq(spi->irq, tp);
}
static const struct acpi_device_id vsc_tp_acpi_ids[] = {
{ "INTC1009" }, /* Raptor Lake */
{ "INTC1058" }, /* Tiger Lake */
{ "INTC1094" }, /* Alder Lake */
+ { "INTC10D0" }, /* Meteor Lake */
{}
};
MODULE_DEVICE_TABLE(acpi, vsc_tp_acpi_ids);
@@ -542,6 +595,7 @@ MODULE_DEVICE_TABLE(acpi, vsc_tp_acpi_ids);
static struct spi_driver vsc_tp_driver = {
.probe = vsc_tp_probe,
.remove = vsc_tp_remove,
+ .shutdown = vsc_tp_shutdown,
.driver = {
.name = "vsc-tp",
.acpi_match_table = vsc_tp_acpi_ids,
diff --git a/drivers/misc/mei/vsc-tp.h b/drivers/misc/mei/vsc-tp.h
index f9513ddc3e40..14ca195cbddc 100644
--- a/drivers/misc/mei/vsc-tp.h
+++ b/drivers/misc/mei/vsc-tp.h
@@ -37,6 +37,9 @@ int vsc_tp_xfer(struct vsc_tp *tp, u8 cmd, const void *obuf, size_t olen,
int vsc_tp_register_event_cb(struct vsc_tp *tp, vsc_tp_event_cb_t event_cb,
void *context);
+int vsc_tp_request_irq(struct vsc_tp *tp);
+void vsc_tp_free_irq(struct vsc_tp *tp);
+
void vsc_tp_intr_enable(struct vsc_tp *tp);
void vsc_tp_intr_disable(struct vsc_tp *tp);
void vsc_tp_intr_synchronize(struct vsc_tp *tp);