Commit | Line | Data |
---|---|---|
50d82602 MA |
1 | /* |
2 | Mantis PCI bridge driver | |
3 | ||
8825a097 | 4 | Copyright (C) Manu Abraham (abraham.manu@gmail.com) |
50d82602 MA |
5 | |
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
b3b96144 | 21 | #include <linux/signal.h> |
5a0e3ad6 | 22 | #include <linux/slab.h> |
b3b96144 MA |
23 | #include <linux/sched.h> |
24 | #include <linux/interrupt.h> | |
25 | ||
26 | #include "dmxdev.h" | |
27 | #include "dvbdev.h" | |
28 | #include "dvb_demux.h" | |
29 | #include "dvb_frontend.h" | |
30 | #include "dvb_net.h" | |
31 | ||
50d82602 MA |
32 | #include "mantis_common.h" |
33 | #include "mantis_link.h" | |
34 | #include "mantis_hif.h" | |
b3b96144 MA |
35 | #include "mantis_reg.h" |
36 | ||
37 | #include "mantis_ca.h" | |
50d82602 | 38 | |
6053240f | 39 | static int mantis_ca_read_attr_mem(struct dvb_ca_en50221 *en50221, int slot, int addr) |
50d82602 | 40 | { |
6053240f | 41 | struct mantis_ca *ca = en50221->data; |
2133ffbf MA |
42 | struct mantis_pci *mantis = ca->ca_priv; |
43 | ||
b3b96144 | 44 | dprintk(MANTIS_DEBUG, 1, "Slot(%d): Request Attribute Mem Read", slot); |
6053240f MA |
45 | |
46 | if (slot != 0) | |
47 | return -EINVAL; | |
48 | ||
49 | return mantis_hif_read_mem(ca, addr); | |
50d82602 MA |
50 | } |
51 | ||
6053240f | 52 | static int mantis_ca_write_attr_mem(struct dvb_ca_en50221 *en50221, int slot, int addr, u8 data) |
50d82602 | 53 | { |
6053240f | 54 | struct mantis_ca *ca = en50221->data; |
2133ffbf MA |
55 | struct mantis_pci *mantis = ca->ca_priv; |
56 | ||
b3b96144 | 57 | dprintk(MANTIS_DEBUG, 1, "Slot(%d): Request Attribute Mem Write", slot); |
6053240f MA |
58 | |
59 | if (slot != 0) | |
60 | return -EINVAL; | |
61 | ||
62 | return mantis_hif_write_mem(ca, addr, data); | |
50d82602 MA |
63 | } |
64 | ||
6053240f | 65 | static int mantis_ca_read_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr) |
50d82602 | 66 | { |
6053240f | 67 | struct mantis_ca *ca = en50221->data; |
2133ffbf MA |
68 | struct mantis_pci *mantis = ca->ca_priv; |
69 | ||
b3b96144 | 70 | dprintk(MANTIS_DEBUG, 1, "Slot(%d): Request CAM control Read", slot); |
6053240f MA |
71 | |
72 | if (slot != 0) | |
73 | return -EINVAL; | |
74 | ||
75 | return mantis_hif_read_iom(ca, addr); | |
50d82602 MA |
76 | } |
77 | ||
6053240f | 78 | static int mantis_ca_write_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr, u8 data) |
50d82602 | 79 | { |
6053240f | 80 | struct mantis_ca *ca = en50221->data; |
2133ffbf MA |
81 | struct mantis_pci *mantis = ca->ca_priv; |
82 | ||
b3b96144 | 83 | dprintk(MANTIS_DEBUG, 1, "Slot(%d): Request CAM control Write", slot); |
50d82602 | 84 | |
6053240f MA |
85 | if (slot != 0) |
86 | return -EINVAL; | |
50d82602 | 87 | |
6053240f | 88 | return mantis_hif_write_iom(ca, addr, data); |
50d82602 MA |
89 | } |
90 | ||
6053240f | 91 | static int mantis_ca_slot_reset(struct dvb_ca_en50221 *en50221, int slot) |
50d82602 | 92 | { |
2133ffbf MA |
93 | struct mantis_ca *ca = en50221->data; |
94 | struct mantis_pci *mantis = ca->ca_priv; | |
95 | ||
b3b96144 | 96 | dprintk(MANTIS_DEBUG, 1, "Slot(%d): Slot RESET", slot); |
fb6de9c5 MA |
97 | udelay(500); /* Wait.. */ |
98 | mmwrite(0xda, MANTIS_PCMCIA_RESET); /* Leading edge assert */ | |
99 | udelay(500); | |
100 | mmwrite(0x00, MANTIS_PCMCIA_RESET); /* Trailing edge deassert */ | |
101 | msleep(1000); | |
2ec9b00b | 102 | dvb_ca_en50221_camready_irq(&ca->en50221, 0); |
2133ffbf | 103 | |
6053240f MA |
104 | return 0; |
105 | } | |
50d82602 | 106 | |
6053240f MA |
107 | static int mantis_ca_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot) |
108 | { | |
2133ffbf MA |
109 | struct mantis_ca *ca = en50221->data; |
110 | struct mantis_pci *mantis = ca->ca_priv; | |
111 | ||
b3b96144 | 112 | dprintk(MANTIS_DEBUG, 1, "Slot(%d): Slot shutdown", slot); |
2133ffbf | 113 | |
6053240f MA |
114 | return 0; |
115 | } | |
50d82602 | 116 | |
6053240f MA |
117 | static int mantis_ts_control(struct dvb_ca_en50221 *en50221, int slot) |
118 | { | |
2133ffbf MA |
119 | struct mantis_ca *ca = en50221->data; |
120 | struct mantis_pci *mantis = ca->ca_priv; | |
121 | ||
b3b96144 | 122 | dprintk(MANTIS_DEBUG, 1, "Slot(%d): TS control", slot); |
f5ae4f6f | 123 | /* mantis_set_direction(mantis, 1); */ /* Enable TS through CAM */ |
2133ffbf | 124 | |
50d82602 | 125 | return 0; |
50d82602 MA |
126 | } |
127 | ||
6053240f | 128 | static int mantis_slot_status(struct dvb_ca_en50221 *en50221, int slot, int open) |
50d82602 | 129 | { |
4e9fbeee | 130 | struct mantis_ca *ca = en50221->data; |
2133ffbf MA |
131 | struct mantis_pci *mantis = ca->ca_priv; |
132 | ||
b3b96144 | 133 | dprintk(MANTIS_DEBUG, 1, "Slot(%d): Poll Slot status", slot); |
4e9fbeee | 134 | |
5e2a0c99 | 135 | if (ca->slot_state == MODULE_INSERTED) { |
b3b96144 | 136 | dprintk(MANTIS_DEBUG, 1, "CA Module present and ready"); |
4e9fbeee | 137 | return DVB_CA_EN50221_POLL_CAM_PRESENT | DVB_CA_EN50221_POLL_CAM_READY; |
5e2a0c99 | 138 | } else { |
b3b96144 | 139 | dprintk(MANTIS_DEBUG, 1, "CA Module not present or not ready"); |
5e2a0c99 | 140 | } |
4e9fbeee | 141 | |
6053240f MA |
142 | return 0; |
143 | } | |
50d82602 | 144 | |
6053240f MA |
145 | int mantis_ca_init(struct mantis_pci *mantis) |
146 | { | |
b3b96144 | 147 | struct dvb_adapter *dvb_adapter = &mantis->dvb_adapter; |
50d82602 | 148 | struct mantis_ca *ca; |
6053240f | 149 | int ca_flags = 0, result; |
50d82602 | 150 | |
b3b96144 | 151 | dprintk(MANTIS_DEBUG, 1, "Initializing Mantis CA"); |
f5ae4f6f | 152 | ca = kzalloc(sizeof(struct mantis_ca), GFP_KERNEL); |
b3b96144 MA |
153 | if (!ca) { |
154 | dprintk(MANTIS_ERROR, 1, "Out of memory!, exiting .."); | |
6053240f MA |
155 | result = -ENOMEM; |
156 | goto err; | |
50d82602 MA |
157 | } |
158 | ||
b3b96144 MA |
159 | ca->ca_priv = mantis; |
160 | mantis->mantis_ca = ca; | |
161 | ca_flags = DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE; | |
6053240f MA |
162 | /* register CA interface */ |
163 | ca->en50221.owner = THIS_MODULE; | |
164 | ca->en50221.read_attribute_mem = mantis_ca_read_attr_mem; | |
165 | ca->en50221.write_attribute_mem = mantis_ca_write_attr_mem; | |
166 | ca->en50221.read_cam_control = mantis_ca_read_cam_ctl; | |
167 | ca->en50221.write_cam_control = mantis_ca_write_cam_ctl; | |
168 | ca->en50221.slot_reset = mantis_ca_slot_reset; | |
169 | ca->en50221.slot_shutdown = mantis_ca_slot_shutdown; | |
170 | ca->en50221.slot_ts_enable = mantis_ts_control; | |
171 | ca->en50221.poll_slot_status = mantis_slot_status; | |
172 | ca->en50221.data = ca; | |
173 | ||
99b55b2c MA |
174 | mutex_init(&ca->ca_lock); |
175 | ||
42f541bf MA |
176 | init_waitqueue_head(&ca->hif_data_wq); |
177 | init_waitqueue_head(&ca->hif_opdone_wq); | |
178 | init_waitqueue_head(&ca->hif_write_wq); | |
179 | ||
b3b96144 MA |
180 | dprintk(MANTIS_ERROR, 1, "Registering EN50221 device"); |
181 | result = dvb_ca_en50221_init(dvb_adapter, &ca->en50221, ca_flags, 1); | |
182 | if (result != 0) { | |
183 | dprintk(MANTIS_ERROR, 1, "EN50221: Initialization failed <%d>", result); | |
6053240f | 184 | goto err; |
50d82602 | 185 | } |
b3b96144 | 186 | dprintk(MANTIS_ERROR, 1, "Registered EN50221 device"); |
6053240f | 187 | mantis_evmgr_init(ca); |
50d82602 | 188 | return 0; |
6053240f MA |
189 | err: |
190 | kfree(ca); | |
191 | return result; | |
50d82602 | 192 | } |
b3b96144 | 193 | EXPORT_SYMBOL_GPL(mantis_ca_init); |
50d82602 MA |
194 | |
195 | void mantis_ca_exit(struct mantis_pci *mantis) | |
196 | { | |
197 | struct mantis_ca *ca = mantis->mantis_ca; | |
2133ffbf | 198 | |
b3b96144 | 199 | dprintk(MANTIS_DEBUG, 1, "Mantis CA exit"); |
50d82602 MA |
200 | |
201 | mantis_evmgr_exit(ca); | |
b3b96144 MA |
202 | dprintk(MANTIS_ERROR, 1, "Unregistering EN50221 device"); |
203 | if (ca) | |
204 | dvb_ca_en50221_release(&ca->en50221); | |
50d82602 MA |
205 | |
206 | kfree(ca); | |
207 | } | |
b3b96144 | 208 | EXPORT_SYMBOL_GPL(mantis_ca_exit); |