Merge tag 'for-linus-2022080201' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Jiri Kosina:

 - support for AMD SOCs using SFH1.1 memory access (Basavaraj Natikar)

 - XP-PEN Deco L support (José Expósito)

 - support for Elan eKTH6915 touchscreens (Douglas Anderson)

 - other small assorted fixes and device ID additions

* tag 'for-linus-2022080201' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (39 commits)
  HID: amd_sfh: Handle condition of "no sensors"
  HID: amd_sfh: Fix implicit declaration error on i386
  HID: apple: Add "GANSS" to the non-Apple list
  HID: alps: Declare U1_UNICORN_LEGACY support
  HID: wacom: Force pen out of prox if no events have been received in a while
  HID: nintendo: Add missing array termination
  HID: lg-g15: Fix comment typo
  HID: amd_sfh: Implement SFH1.1 functionality
  HID: amd_sfh: Move interrupt handling to common interface
  HID: amd_sfh: Move amd_sfh_work to common interface
  HID: amd_sfh: Move global functions to static
  HID: amd_sfh: Add remove operation in amd_mp2_ops
  HID: amd_sfh: Add PM operations in amd_mp2_ops
  HID: amd_sfh: Add descriptor operations in amd_mp2_ops
  HID: amd_sfh: Move request_list variable to client data
  HID: amd_sfh: Move request_list struct to header file
  HID: amd_sfh: Move common macros and structures
  HID: amd_sfh: Add NULL check for hid device
  HID: core: remove unneeded assignment in hid_process_report()
  ID: intel-ish-hid: hid-client: drop unexpected word "the" in the comments
  ...

1 files changed, 76 insertions, 0 deletions

diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_common.h b/drivers/hid/amd-sfh-hid/amd_sfh_common.h
new file mode 100644
index 000000000000..2643bb14fee2
--- /dev/null
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_common.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * AMD MP2 common macros and structures
+ *
+ * Copyright (c) 2022, Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Author: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
+ */
+#ifndef AMD_SFH_COMMON_H
+#define AMD_SFH_COMMON_H
+
+#include <linux/pci.h>
+#include "amd_sfh_hid.h"
+
+#define PCI_DEVICE_ID_AMD_MP2		0x15E4
+#define PCI_DEVICE_ID_AMD_MP2_1_1	0x164A
+
+#define AMD_C2P_MSG(regno) (0x10500 + ((regno) * 4))
+#define AMD_P2C_MSG(regno) (0x10680 + ((regno) * 4))
+
+#define SENSOR_ENABLED			4
+#define SENSOR_DISABLED			5
+
+#define AMD_SFH_IDLE_LOOP		200
+
+enum cmd_id {
+	NO_OP,
+	ENABLE_SENSOR,
+	DISABLE_SENSOR,
+	STOP_ALL_SENSORS = 8,
+};
+
+struct amd_mp2_sensor_info {
+	u8 sensor_idx;
+	u32 period;
+	dma_addr_t dma_address;
+};
+
+struct amd_mp2_dev {
+	struct pci_dev *pdev;
+	struct amdtp_cl_data *cl_data;
+	void __iomem *mmio;
+	void __iomem *vsbase;
+	const struct amd_sfh1_1_ops *sfh1_1_ops;
+	struct amd_mp2_ops *mp2_ops;
+	struct amd_input_data in_data;
+	/* mp2 active control status */
+	u32 mp2_acs;
+};
+
+struct amd_mp2_ops {
+	void (*start)(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info);
+	void (*stop)(struct amd_mp2_dev *privdata, u16 sensor_idx);
+	void (*stop_all)(struct amd_mp2_dev *privdata);
+	int (*response)(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts);
+	void (*clear_intr)(struct amd_mp2_dev *privdata);
+	int (*init_intr)(struct amd_mp2_dev *privdata);
+	int (*discovery_status)(struct amd_mp2_dev *privdata);
+	void (*suspend)(struct amd_mp2_dev *mp2);
+	void (*resume)(struct amd_mp2_dev *mp2);
+	void (*remove)(void *privdata);
+	int (*get_rep_desc)(int sensor_idx, u8 rep_desc[]);
+	u32 (*get_desc_sz)(int sensor_idx, int descriptor_name);
+	u8 (*get_feat_rep)(int sensor_idx, int report_id, u8 *feature_report);
+	u8 (*get_in_rep)(u8 current_index, int sensor_idx, int report_id,
+			 struct amd_input_data *in_data);
+};
+
+void amd_sfh_work(struct work_struct *work);
+void amd_sfh_work_buffer(struct work_struct *work);
+void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata);
+int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata);
+void amd_sfh_clear_intr(struct amd_mp2_dev *privdata);
+int amd_sfh_irq_init(struct amd_mp2_dev *privdata);
+#endif