LXR linux/drivers/media/pci/mantis/mantis

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3        Mantis PCI bridge driver
   4
   5        Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   6
   7*/
   8
   9#ifndef __MANTIS_LINK_H
  10#define __MANTIS_LINK_H
  11
  12#include <linux/mutex.h>
  13#include <linux/workqueue.h>
  14#include <media/dvb_ca_en50221.h>
  15
  16enum mantis_sbuf_status {
  17        MANTIS_SBUF_DATA_AVAIL          = 1,
  18        MANTIS_SBUF_DATA_EMPTY          = 2,
  19        MANTIS_SBUF_DATA_OVFLW          = 3
  20};
  21
  22struct mantis_slot {
  23        u32                             timeout;
  24        u32                             slave_cfg;
  25        u32                             bar;
  26};
  27
  28/* Physical layer */
  29enum mantis_slot_state {
  30        MODULE_INSERTED                 = 3,
  31        MODULE_XTRACTED                 = 4
  32};
  33
  34struct mantis_ca {
  35        struct mantis_slot              slot[4];
  36
  37        struct work_struct              hif_evm_work;
  38
  39        u32                             hif_event;
  40        wait_queue_head_t               hif_opdone_wq;
  41        wait_queue_head_t               hif_brrdyw_wq;
  42        wait_queue_head_t               hif_data_wq;
  43        wait_queue_head_t               hif_write_wq; /* HIF Write op */
  44
  45        enum mantis_sbuf_status         sbuf_status;
  46
  47        enum mantis_slot_state          slot_state;
  48
  49        void                            *ca_priv;
  50
  51        struct dvb_ca_en50221           en50221;
  52        struct mutex                    ca_lock;
  53};
  54
  55/* CA */
  56extern void mantis_event_cam_plugin(struct mantis_ca *ca);
  57extern void mantis_event_cam_unplug(struct mantis_ca *ca);
  58extern int mantis_pcmcia_init(struct mantis_ca *ca);
  59extern void mantis_pcmcia_exit(struct mantis_ca *ca);
  60extern int mantis_evmgr_init(struct mantis_ca *ca);
  61extern void mantis_evmgr_exit(struct mantis_ca *ca);
  62
  63/* HIF */
  64extern int mantis_hif_init(struct mantis_ca *ca);
  65extern void mantis_hif_exit(struct mantis_ca *ca);
  66extern int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr);
  67extern int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data);
  68extern int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr);
  69extern int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u8 data);
  70
  71#endif /* __MANTIS_LINK_H */
  72