1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
Mantis PCI bridge driver
Copyright (C) Manu Abraham (abraham.manu@gmail.com)
*/
#include <linux/signal.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <asm/io.h>
#include <media/dmxdev.h>
#include <media/dvbdev.h>
#include <media/dvb_demux.h>
#include <media/dvb_frontend.h>
#include <media/dvb_net.h>
#include "mantis_common.h"
#include "mantis_link.h"
#include "mantis_hif.h"
#include "mantis_reg.h"
#include "mantis_ca.h"
static int mantis_ca_read_attr_mem(struct dvb_ca_en50221 *en50221, int slot, int addr)
{
struct mantis_ca *ca = en50221->data;
struct mantis_pci *mantis = ca->ca_priv;
dprintk(MANTIS_DEBUG, 1, "Slot(%d): Request Attribute Mem Read", slot);
if (slot != 0)
return -EINVAL;
return mantis_hif_read_mem(ca, addr);
}
static int mantis_ca_write_attr_mem(struct dvb_ca_en50221 *en50221, int slot, int addr, u8 data)
{
struct mantis_ca *ca = en50221->data;
struct mantis_pci *mantis = ca->ca_priv;
dprintk(MANTIS_DEBUG, 1, "Slot(%d): Request Attribute Mem Write", slot);
if (slot != 0)
return -EINVAL;
return mantis_hif_write_mem(ca, addr, data);
}
static int mantis_ca_read_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr)
{
struct mantis_ca *ca = en50221->data;
struct mantis_pci *mantis = ca->ca_priv;
dprintk(MANTIS_DEBUG, 1, "Slot(%d): Request CAM control Read", slot);
if (slot != 0)
return -EINVAL;
return mantis_hif_read_iom(ca, addr);
}
static int mantis_ca_write_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr, u8 data)
{
struct mantis_ca *ca = en50221->data;
struct mantis_pci *mantis = ca->ca_priv;
dprintk(MANTIS_DEBUG, 1, "Slot(%d): Request CAM control Write", slot);
if (slot != 0)
return -EINVAL;
return mantis_hif_write_iom(ca, addr, data);
}
static int mantis_ca_slot_reset(struct dvb_ca_en50221 *en50221, int slot)
{
struct mantis_ca *ca = en50221->data;
struct mantis_pci *mantis = ca->ca_priv;
dprintk(MANTIS_DEBUG, 1, "Slot(%d): Slot RESET", slot);
udelay(500); /* Wait.. */
mmwrite(0xda, MANTIS_PCMCIA_RESET); /* Leading edge assert */
udelay(500);
mmwrite(0x00, MANTIS_PCMCIA_RESET); /* Trailing edge deassert */
msleep(1000);
dvb_ca_en50221_camready_irq(&ca->en50221, 0);
return 0;
}
static int mantis_ca_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot)
{
struct mantis_ca *ca = en50221->data;
struct mantis_pci *mantis = ca->ca_priv;
dprintk(MANTIS_DEBUG, 1, "Slot(%d): Slot shutdown", slot);
return 0;
}
static int mantis_ts_control(struct dvb_ca_en50221 *en50221, int slot)
{
struct mantis_ca *ca = en50221->data;
struct mantis_pci *mantis = ca->ca_priv;
dprintk(MANTIS_DEBUG, 1, "Slot(%d): TS control", slot);
return 0;
}
static int mantis_slot_status(struct dvb_ca_en50221 *en50221, int slot, int open)
{
struct mantis_ca *ca = en50221->data;
struct mantis_pci *mantis = ca->ca_priv;
dprintk(MANTIS_DEBUG, 1, "Slot(%d): Poll Slot status", slot);
if (ca->slot_state == MODULE_INSERTED) {
dprintk(MANTIS_DEBUG, 1, "CA Module present and ready");
return DVB_CA_EN50221_POLL_CAM_PRESENT | DVB_CA_EN50221_POLL_CAM_READY;
} else {
dprintk(MANTIS_DEBUG, 1, "CA Module not present or not ready");
}
return 0;
}
int mantis_ca_init(struct mantis_pci *mantis)
{
struct dvb_adapter *dvb_adapter = &mantis->dvb_adapter;
struct mantis_ca *ca;
int ca_flags = 0, result;
dprintk(MANTIS_DEBUG, 1, "Initializing Mantis CA");
ca = kzalloc(sizeof(struct mantis_ca), GFP_KERNEL);
if (!ca) {
dprintk(MANTIS_ERROR, 1, "Out of memory!, exiting ..");
result = -ENOMEM;
goto err;
}
ca->ca_priv = mantis;
mantis->mantis_ca = ca;
ca_flags = DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE;
/* register CA interface */
ca->en50221.owner = THIS_MODULE;
ca->en50221.read_attribute_mem = mantis_ca_read_attr_mem;
ca->en50221.write_attribute_mem = mantis_ca_write_attr_mem;
ca->en50221.read_cam_control = mantis_ca_read_cam_ctl;
ca->en50221.write_cam_control = mantis_ca_write_cam_ctl;
ca->en50221.slot_reset = mantis_ca_slot_reset;
ca->en50221.slot_shutdown = mantis_ca_slot_shutdown;
ca->en50221.slot_ts_enable = mantis_ts_control;
ca->en50221.poll_slot_status = mantis_slot_status;
ca->en50221.data = ca;
mutex_init(&ca->ca_lock);
init_waitqueue_head(&ca->hif_data_wq);
init_waitqueue_head(&ca->hif_opdone_wq);
init_waitqueue_head(&ca->hif_write_wq);
dprintk(MANTIS_ERROR, 1, "Registering EN50221 device");
result = dvb_ca_en50221_init(dvb_adapter, &ca->en50221, ca_flags, 1);
if (result != 0) {
dprintk(MANTIS_ERROR, 1, "EN50221: Initialization failed <%d>", result);
goto err;
}
dprintk(MANTIS_ERROR, 1, "Registered EN50221 device");
mantis_evmgr_init(ca);
return 0;
err:
kfree(ca);
return result;
}
EXPORT_SYMBOL_GPL(mantis_ca_init);
void mantis_ca_exit(struct mantis_pci *mantis)
{
struct mantis_ca *ca = mantis->mantis_ca;
dprintk(MANTIS_DEBUG, 1, "Mantis CA exit");
if (!ca)
return;
mantis_evmgr_exit(ca);
dprintk(MANTIS_ERROR, 1, "Unregistering EN50221 device");
dvb_ca_en50221_release(&ca->en50221);
kfree(ca);
}
EXPORT_SYMBOL_GPL(mantis_ca_exit);
|
