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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#include <linux/kernel.h>
10
11#include <linux/signal.h>
12#include <linux/sched.h>
13#include <linux/interrupt.h>
14#include <asm/io.h>
15
16#include <media/dmxdev.h>
17#include <media/dvbdev.h>
18#include <media/dvb_demux.h>
19#include <media/dvb_frontend.h>
20#include <media/dvb_net.h>
21
22#include "mantis_common.h"
23#include "mantis_link.h"
24#include "mantis_hif.h"
25#include "mantis_reg.h"
26
27static void mantis_hifevm_work(struct work_struct *work)
28{
29 struct mantis_ca *ca = container_of(work, struct mantis_ca, hif_evm_work);
30 struct mantis_pci *mantis = ca->ca_priv;
31
32 u32 gpif_stat;
33
34 gpif_stat = mmread(MANTIS_GPIF_STATUS);
35
36 if (gpif_stat & MANTIS_GPIF_DETSTAT) {
37 if (gpif_stat & MANTIS_CARD_PLUGIN) {
38 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num);
39 mmwrite(0xdada0000, MANTIS_CARD_RESET);
40 mantis_event_cam_plugin(ca);
41 dvb_ca_en50221_camchange_irq(&ca->en50221,
42 0,
43 DVB_CA_EN50221_CAMCHANGE_INSERTED);
44 }
45 } else {
46 if (gpif_stat & MANTIS_CARD_PLUGOUT) {
47 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num);
48 mmwrite(0xdada0000, MANTIS_CARD_RESET);
49 mantis_event_cam_unplug(ca);
50 dvb_ca_en50221_camchange_irq(&ca->en50221,
51 0,
52 DVB_CA_EN50221_CAMCHANGE_REMOVED);
53 }
54 }
55
56 if (mantis->gpif_status & MANTIS_GPIF_EXTIRQ)
57 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num);
58
59 if (mantis->gpif_status & MANTIS_SBUF_WSTO)
60 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num);
61
62 if (mantis->gpif_status & MANTIS_GPIF_OTHERR)
63 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num);
64
65 if (gpif_stat & MANTIS_SBUF_OVFLW)
66 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num);
67
68 if (gpif_stat & MANTIS_GPIF_BRRDY)
69 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num);
70
71 if (gpif_stat & MANTIS_GPIF_INTSTAT)
72 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num);
73
74 if (gpif_stat & MANTIS_SBUF_EMPTY)
75 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num);
76
77 if (gpif_stat & MANTIS_SBUF_OPDONE) {
78 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num);
79 ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL;
80 ca->hif_event = MANTIS_SBUF_OPDONE;
81 wake_up(&ca->hif_opdone_wq);
82 }
83}
84
85int mantis_evmgr_init(struct mantis_ca *ca)
86{
87 struct mantis_pci *mantis = ca->ca_priv;
88
89 dprintk(MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager");
90 INIT_WORK(&ca->hif_evm_work, mantis_hifevm_work);
91 mantis_pcmcia_init(ca);
92 schedule_work(&ca->hif_evm_work);
93 mantis_hif_init(ca);
94 return 0;
95}
96
97void mantis_evmgr_exit(struct mantis_ca *ca)
98{
99 struct mantis_pci *mantis = ca->ca_priv;
100
101 dprintk(MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting");
102 flush_work(&ca->hif_evm_work);
103 mantis_hif_exit(ca);
104 mantis_pcmcia_exit(ca);
105}
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#include <linux/kernel.h>
10
11#include <linux/signal.h>
12#include <linux/sched.h>
13#include <linux/interrupt.h>
14#include <asm/io.h>
15
16#include <media/dmxdev.h>
17#include <media/dvbdev.h>
18#include <media/dvb_demux.h>
19#include <media/dvb_frontend.h>
20#include <media/dvb_net.h>
21
22#include "mantis_common.h"
23#include "mantis_link.h"
24#include "mantis_hif.h"
25#include "mantis_reg.h"
26
27static void mantis_hifevm_work(struct work_struct *work)
28{
29 struct mantis_ca *ca = container_of(work, struct mantis_ca, hif_evm_work);
30 struct mantis_pci *mantis = ca->ca_priv;
31
32 u32 gpif_stat;
33
34 gpif_stat = mmread(MANTIS_GPIF_STATUS);
35
36 if (gpif_stat & MANTIS_GPIF_DETSTAT) {
37 if (gpif_stat & MANTIS_CARD_PLUGIN) {
38 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num);
39 mmwrite(0xdada0000, MANTIS_CARD_RESET);
40 mantis_event_cam_plugin(ca);
41 dvb_ca_en50221_camchange_irq(&ca->en50221,
42 0,
43 DVB_CA_EN50221_CAMCHANGE_INSERTED);
44 }
45 } else {
46 if (gpif_stat & MANTIS_CARD_PLUGOUT) {
47 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num);
48 mmwrite(0xdada0000, MANTIS_CARD_RESET);
49 mantis_event_cam_unplug(ca);
50 dvb_ca_en50221_camchange_irq(&ca->en50221,
51 0,
52 DVB_CA_EN50221_CAMCHANGE_REMOVED);
53 }
54 }
55
56 if (mantis->gpif_status & MANTIS_GPIF_EXTIRQ)
57 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num);
58
59 if (mantis->gpif_status & MANTIS_SBUF_WSTO)
60 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num);
61
62 if (mantis->gpif_status & MANTIS_GPIF_OTHERR)
63 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num);
64
65 if (gpif_stat & MANTIS_SBUF_OVFLW)
66 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num);
67
68 if (gpif_stat & MANTIS_GPIF_BRRDY)
69 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num);
70
71 if (gpif_stat & MANTIS_GPIF_INTSTAT)
72 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num);
73
74 if (gpif_stat & MANTIS_SBUF_EMPTY)
75 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num);
76
77 if (gpif_stat & MANTIS_SBUF_OPDONE) {
78 dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num);
79 ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL;
80 ca->hif_event = MANTIS_SBUF_OPDONE;
81 wake_up(&ca->hif_opdone_wq);
82 }
83}
84
85int mantis_evmgr_init(struct mantis_ca *ca)
86{
87 struct mantis_pci *mantis = ca->ca_priv;
88
89 dprintk(MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager");
90 INIT_WORK(&ca->hif_evm_work, mantis_hifevm_work);
91 mantis_pcmcia_init(ca);
92 schedule_work(&ca->hif_evm_work);
93 mantis_hif_init(ca);
94 return 0;
95}
96
97void mantis_evmgr_exit(struct mantis_ca *ca)
98{
99 struct mantis_pci *mantis = ca->ca_priv;
100
101 dprintk(MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting");
102 flush_work(&ca->hif_evm_work);
103 mantis_hif_exit(ca);
104 mantis_pcmcia_exit(ca);
105}