static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev)
{
static const guid_t intel_dsm_guid =
GUID_INIT(0xac340cb7, 0xe901, 0x45bf,
0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23);
union acpi_object *obj;
obj = acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), &intel_dsm_guid, 3, 1,
NULL);
ACPI_FREE(obj);
}
#include <linux/pci.h>
#include <linux/msi.h>
#include <linux/pci_hotplug.h>
#include <linux/module.h>
#include <linux/pci-aspm.h>
#include <linux/pci-acpi.h>
#include <linux/pm_runtime.h>
#include <linux/pm_qos.h>
#include "pci.h"
/*
* The GUID is defined in the PCI Firmware Specification available here:
* https://www.pcisig.com/members/downloads/pcifw_r3_1_13Dec10.pdf
*/
const guid_t pci_acpi_dsm_guid =
GUID_INIT(0xe5c937d0, 0x3553, 0x4d7a,
0x91, 0x17, 0xea, 0x4d, 0x19, 0xc3, 0x43, 0x4d);
#if defined(CONFIG_PCI_QUIRKS) && defined(CONFIG_ARM64)
static int acpi_get_rc_addr(struct acpi_device *adev, struct resource *res)
{
struct device *dev = &adev->dev;
struct resource_entry *entry;
struct list_head list;
unsigned long flags;
int ret;
INIT_LIST_HEAD(&list);
flags = IORESOURCE_MEM;
ret = acpi_dev_get_resources(adev, &list,
acpi_dev_filter_resource_type_cb,
(void *) flags);
* * LOADER_XFER_MODE_DIRECT_DMA - firmware loading is a bit different * from the sensor data streaming. Here we download a large (300+ Kb) * image directly to ISH SRAM memory. There is limited benefit of * DMA'ing 300 Kb image in 4 Kb chucks limit. Hence, we introduce * this "direct dma" mode, where we do not use ISH-TP for DMA, but * instead manage the DMA directly in kernel driver and Shim firmware * loader (allocate buffer, break in chucks and transfer). This allows * to overcome 4 Kb limit, and optimize the data flow path in firmware. */ #define LOADER_XFER_MODE_DIRECT_DMA BIT(0) #define LOADER_XFER_MODE_ISHTP BIT(1) /* ISH Transport Loader client unique GUID */ static const guid_t loader_ishtp_guid = GUID_INIT(0xc804d06a, 0x55bd, 0x4ea7, 0xad, 0xed, 0x1e, 0x31, 0x22, 0x8c, 0x76, 0xdc); #define FILENAME_SIZE 256 /* * The firmware loading latency will be minimum if we can DMA the * entire ISH firmware image in one go. This requires that we allocate * a large DMA buffer in kernel, which could be problematic on some * platforms. So here we limit the DMA buffer size via a module_param. * We default to 4 pages, but a customer can set it to higher limit if * deemed appropriate for his platform. */ static int dma_buf_size_limit = 4 * PAGE_SIZE; /** * struct loader_msg_hdr - Header for ISH Loader commands.
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
*/
#include <linux/pci.h>
#include "skl.h"
#define NHLT_ACPI_HEADER_SIG "NHLT"
/* Unique identification for getting NHLT blobs */
static guid_t osc_guid =
GUID_INIT(0xA69F886E, 0x6CEB, 0x4594,
0xA4, 0x1F, 0x7B, 0x5D, 0xCE, 0x24, 0xC5, 0x53);
struct nhlt_acpi_table *skl_nhlt_init(struct device *dev)
{
acpi_handle handle;
union acpi_object *obj;
struct nhlt_resource_desc *nhlt_ptr = NULL;
struct nhlt_acpi_table *nhlt_table = NULL;
handle = ACPI_HANDLE(dev);
if (!handle) {
dev_err(dev, "Didn't find ACPI_HANDLE\n");
return NULL;
}
obj = acpi_evaluate_dsm(handle, &osc_guid, 1, 1, NULL);
*/
#include <linux/acpi.h>
#include <linux/highmem.h>
#include <linux/rculist.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#ifdef CONFIG_ARM64
#include <linux/arm-smccc.h>
#endif
#include "tpm.h"
#define ACPI_SIG_TPM2 "TPM2"
static const guid_t crb_acpi_start_guid =
GUID_INIT(0x6BBF6CAB, 0x5463, 0x4714,
0xB7, 0xCD, 0xF0, 0x20, 0x3C, 0x03, 0x68, 0xD4);
enum crb_defaults {
CRB_ACPI_START_REVISION_ID = 1,
CRB_ACPI_START_INDEX = 1,
};
enum crb_loc_ctrl {
CRB_LOC_CTRL_REQUEST_ACCESS = BIT(0),
CRB_LOC_CTRL_RELINQUISH = BIT(1),
};
enum crb_loc_state {
CRB_LOC_STATE_LOC_ASSIGNED = BIT(1),
CRB_LOC_STATE_TPM_REG_VALID_STS = BIT(7),
};