Commit | Line | Data |
---|---|---|
74ba9207 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
bc4ed42f MA |
2 | /* |
3 | Mantis PCI bridge driver | |
4 | ||
8825a097 | 5 | Copyright (C) Manu Abraham (abraham.manu@gmail.com) |
bc4ed42f | 6 | |
bc4ed42f MA |
7 | */ |
8 | ||
b3b96144 MA |
9 | #include <linux/kernel.h> |
10 | ||
b3b96144 MA |
11 | #include <linux/signal.h> |
12 | #include <linux/sched.h> | |
13 | #include <linux/interrupt.h> | |
b7f080cf | 14 | #include <asm/io.h> |
b3b96144 | 15 | |
fada1935 MCC |
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> | |
b3b96144 | 21 | |
bc4ed42f | 22 | #include "mantis_common.h" |
8ce571f5 | 23 | #include "mantis_link.h" /* temporary due to physical layer stuff */ |
b3b96144 | 24 | #include "mantis_reg.h" |
8ce571f5 MA |
25 | |
26 | /* | |
27 | * If Slot state is already PLUG_IN event and we are called | |
28 | * again, definitely it is jitter alone | |
29 | */ | |
30 | void mantis_event_cam_plugin(struct mantis_ca *ca) | |
31 | { | |
32 | struct mantis_pci *mantis = ca->ca_priv; | |
33 | ||
34 | u32 gpif_irqcfg; | |
35 | ||
36 | if (ca->slot_state == MODULE_XTRACTED) { | |
b3b96144 | 37 | dprintk(MANTIS_DEBUG, 1, "Event: CAM Plugged IN: Adapter(%d) Slot(0)", mantis->num); |
8ce571f5 MA |
38 | udelay(50); |
39 | mmwrite(0xda000000, MANTIS_CARD_RESET); | |
40 | gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG); | |
41 | gpif_irqcfg |= MANTIS_MASK_PLUGOUT; | |
42 | gpif_irqcfg &= ~MANTIS_MASK_PLUGIN; | |
43 | mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG); | |
44 | udelay(500); | |
45 | ca->slot_state = MODULE_INSERTED; | |
46 | } | |
47 | udelay(100); | |
48 | } | |
49 | ||
50 | /* | |
51 | * If Slot state is already UN_PLUG event and we are called | |
52 | * again, definitely it is jitter alone | |
53 | */ | |
54 | void mantis_event_cam_unplug(struct mantis_ca *ca) | |
55 | { | |
56 | struct mantis_pci *mantis = ca->ca_priv; | |
57 | ||
58 | u32 gpif_irqcfg; | |
59 | ||
60 | if (ca->slot_state == MODULE_INSERTED) { | |
b3b96144 | 61 | dprintk(MANTIS_DEBUG, 1, "Event: CAM Unplugged: Adapter(%d) Slot(0)", mantis->num); |
8ce571f5 MA |
62 | udelay(50); |
63 | mmwrite(0x00da0000, MANTIS_CARD_RESET); | |
64 | gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG); | |
65 | gpif_irqcfg |= MANTIS_MASK_PLUGIN; | |
66 | gpif_irqcfg &= ~MANTIS_MASK_PLUGOUT; | |
67 | mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG); | |
68 | udelay(500); | |
69 | ca->slot_state = MODULE_XTRACTED; | |
70 | } | |
71 | udelay(100); | |
72 | } | |
bc4ed42f MA |
73 | |
74 | int mantis_pcmcia_init(struct mantis_ca *ca) | |
75 | { | |
76 | struct mantis_pci *mantis = ca->ca_priv; | |
77 | ||
8ce571f5 MA |
78 | u32 gpif_stat, card_stat; |
79 | ||
a96762da | 80 | mantis_unmask_ints(mantis, MANTIS_INT_IRQ0); |
8ce571f5 MA |
81 | gpif_stat = mmread(MANTIS_GPIF_STATUS); |
82 | card_stat = mmread(MANTIS_GPIF_IRQCFG); | |
83 | ||
84 | if (gpif_stat & MANTIS_GPIF_DETSTAT) { | |
b3b96144 | 85 | dprintk(MANTIS_DEBUG, 1, "CAM found on Adapter(%d) Slot(0)", mantis->num); |
8ce571f5 MA |
86 | mmwrite(card_stat | MANTIS_MASK_PLUGOUT, MANTIS_GPIF_IRQCFG); |
87 | ca->slot_state = MODULE_INSERTED; | |
86c75c5c SA |
88 | dvb_ca_en50221_camchange_irq(&ca->en50221, |
89 | 0, | |
90 | DVB_CA_EN50221_CAMCHANGE_INSERTED); | |
8ce571f5 | 91 | } else { |
b3b96144 | 92 | dprintk(MANTIS_DEBUG, 1, "Empty Slot on Adapter(%d) Slot(0)", mantis->num); |
8ce571f5 MA |
93 | mmwrite(card_stat | MANTIS_MASK_PLUGIN, MANTIS_GPIF_IRQCFG); |
94 | ca->slot_state = MODULE_XTRACTED; | |
88a6fa9d MA |
95 | dvb_ca_en50221_camchange_irq(&ca->en50221, |
96 | 0, | |
97 | DVB_CA_EN50221_CAMCHANGE_REMOVED); | |
8ce571f5 MA |
98 | } |
99 | ||
bc4ed42f MA |
100 | return 0; |
101 | } | |
102 | ||
103 | void mantis_pcmcia_exit(struct mantis_ca *ca) | |
104 | { | |
105 | struct mantis_pci *mantis = ca->ca_priv; | |
106 | ||
8ce571f5 | 107 | mmwrite(mmread(MANTIS_GPIF_STATUS) & (~MANTIS_CARD_PLUGOUT | ~MANTIS_CARD_PLUGIN), MANTIS_GPIF_STATUS); |
a96762da | 108 | mantis_mask_ints(mantis, MANTIS_INT_IRQ0); |
bc4ed42f | 109 | } |