drivers/hid/intel-ish-hid/ipc/hw-ish.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * H/W layer of ISHTP provider device (ISH)
   4  *
   5  * Copyright (c) 2014-2016, Intel Corporation.
   6  */
   7
   8 #ifndef _ISHTP_HW_ISH_H_
   9 #define _ISHTP_HW_ISH_H_
  10
  11 #include <linux/pci.h>
  12 #include <linux/interrupt.h>
  13 #include "hw-ish-regs.h"
  14 #include "ishtp-dev.h"
  15
  16 #define CHV_DEVICE_ID           0x22D8
  17 #define BXT_Ax_DEVICE_ID        0x0AA2
  18 #define BXT_Bx_DEVICE_ID        0x1AA2
  19 #define APL_Ax_DEVICE_ID        0x5AA2
  20 #define SPT_Ax_DEVICE_ID        0x9D35
  21 #define CNL_Ax_DEVICE_ID        0x9DFC
  22 #define GLK_Ax_DEVICE_ID        0x31A2
  23 #define CNL_H_DEVICE_ID         0xA37C
  24 #define ICL_MOBILE_DEVICE_ID    0x34FC
  25 #define SPT_H_DEVICE_ID         0xA135
  26 #define CML_LP_DEVICE_ID        0x02FC
  27
  28 #define REVISION_ID_CHT_A0      0x6
  29 #define REVISION_ID_CHT_Ax_SI   0x0
  30 #define REVISION_ID_CHT_Bx_SI   0x10
  31 #define REVISION_ID_CHT_Kx_SI   0x20
  32 #define REVISION_ID_CHT_Dx_SI   0x30
  33 #define REVISION_ID_CHT_B0      0xB0
  34 #define REVISION_ID_SI_MASK     0x70
  35
  36 struct ipc_rst_payload_type {
  37         uint16_t        reset_id;
  38         uint16_t        reserved;
  39 };
  40
  41 struct time_sync_format {
  42         uint8_t ts1_source;
  43         uint8_t ts2_source;
  44         uint16_t reserved;
  45 } __packed;
  46
  47 struct ipc_time_update_msg {
  48         uint64_t primary_host_time;
  49         struct time_sync_format sync_info;
  50         uint64_t secondary_host_time;
  51 } __packed;
  52
  53 enum {
  54         HOST_UTC_TIME_USEC = 0,
  55         HOST_SYSTEM_TIME_USEC = 1
  56 };
  57
  58 struct ish_hw {
  59         void __iomem *mem_addr;
  60 };
  61
  62 /*
  63  * ISH FW status type
  64  */
  65 enum {
  66         FWSTS_AFTER_RESET               = 0,
  67         FWSTS_WAIT_FOR_HOST             = 4,
  68         FWSTS_START_KERNEL_DMA          = 5,
  69         FWSTS_FW_IS_RUNNING             = 7,
  70         FWSTS_SENSOR_APP_LOADED         = 8,
  71         FWSTS_SENSOR_APP_RUNNING        = 15
  72 };
  73
  74 #define to_ish_hw(dev) (struct ish_hw *)((dev)->hw)
  75
  76 irqreturn_t ish_irq_handler(int irq, void *dev_id);
  77 struct ishtp_device *ish_dev_init(struct pci_dev *pdev);
  78 int ish_hw_start(struct ishtp_device *dev);
  79 void ish_device_disable(struct ishtp_device *dev);
  80
  81 #endif /* _ISHTP_HW_ISH_H_ */