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 16 enum mantis_sbuf_status { 17 MANTIS_SBUF_DATA_AVAIL = 1, 18 MANTIS_SBUF_DATA_EMPTY = 2, 19 MANTIS_SBUF_DATA_OVFLW = 3 20 }; 21 22 struct mantis_slot { 23 u32 timeout; 24 u32 slave_cfg; 25 u32 bar; 26 }; 27 28 /* Physical layer */ 29 enum mantis_slot_state { 30 MODULE_INSERTED = 3, 31 MODULE_XTRACTED = 4 32 }; 33 34 struct 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 */ 56 extern void mantis_event_cam_plugin(struct mantis_ca *ca); 57 extern void mantis_event_cam_unplug(struct mantis_ca *ca); 58 extern int mantis_pcmcia_init(struct mantis_ca *ca); 59 extern void mantis_pcmcia_exit(struct mantis_ca *ca); 60 extern int mantis_evmgr_init(struct mantis_ca *ca); 61 extern void mantis_evmgr_exit(struct mantis_ca *ca); 62 63 /* HIF */ 64 extern int mantis_hif_init(struct mantis_ca *ca); 65 extern void mantis_hif_exit(struct mantis_ca *ca); 66 extern int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr); 67 extern int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data); 68 extern int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr); 69 extern int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u8 data); 70 71 #endif /* __MANTIS_LINK_H */ 72