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Commit | Line | Data |
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50d82602 MA |
1 | /* |
2 | Mantis PCI bridge driver | |
3 | ||
4 | Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.com) | |
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 | ||
21 | #include "mantis_common.h" | |
22 | #include "mantis_link.h" | |
23 | #include "mantis_hif.h" | |
24 | ||
6053240f | 25 | static int mantis_ca_read_attr_mem(struct dvb_ca_en50221 *en50221, int slot, int addr) |
50d82602 | 26 | { |
6053240f | 27 | struct mantis_ca *ca = en50221->data; |
2133ffbf MA |
28 | struct mantis_pci *mantis = ca->ca_priv; |
29 | ||
30 | dprintk(verbose, MANTIS_DEBUG, 1, "Slot(%d): Request Attribute Mem Read", slot); | |
6053240f MA |
31 | |
32 | if (slot != 0) | |
33 | return -EINVAL; | |
34 | ||
35 | return mantis_hif_read_mem(ca, addr); | |
50d82602 MA |
36 | } |
37 | ||
6053240f | 38 | static int mantis_ca_write_attr_mem(struct dvb_ca_en50221 *en50221, int slot, int addr, u8 data) |
50d82602 | 39 | { |
6053240f | 40 | struct mantis_ca *ca = en50221->data; |
2133ffbf MA |
41 | struct mantis_pci *mantis = ca->ca_priv; |
42 | ||
43 | dprintk(verbose, MANTIS_DEBUG, 1, "Slot(%d): Request Attribute Mem Write", slot); | |
6053240f MA |
44 | |
45 | if (slot != 0) | |
46 | return -EINVAL; | |
47 | ||
48 | return mantis_hif_write_mem(ca, addr, data); | |
50d82602 MA |
49 | } |
50 | ||
6053240f | 51 | static int mantis_ca_read_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr) |
50d82602 | 52 | { |
6053240f | 53 | struct mantis_ca *ca = en50221->data; |
2133ffbf MA |
54 | struct mantis_pci *mantis = ca->ca_priv; |
55 | ||
56 | dprintk(verbose, MANTIS_DEBUG, 1, "Slot(%d): Request CAM control Read", slot); | |
6053240f MA |
57 | |
58 | if (slot != 0) | |
59 | return -EINVAL; | |
60 | ||
61 | return mantis_hif_read_iom(ca, addr); | |
50d82602 MA |
62 | } |
63 | ||
6053240f | 64 | static int mantis_ca_write_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr, u8 data) |
50d82602 | 65 | { |
6053240f | 66 | struct mantis_ca *ca = en50221->data; |
2133ffbf MA |
67 | struct mantis_pci *mantis = ca->ca_priv; |
68 | ||
69 | dprintk(verbose, MANTIS_DEBUG, 1, "Slot(%d): Request CAM control Write", slot); | |
50d82602 | 70 | |
6053240f MA |
71 | if (slot != 0) |
72 | return -EINVAL; | |
50d82602 | 73 | |
6053240f | 74 | return mantis_hif_write_iom(ca, addr, data); |
50d82602 MA |
75 | } |
76 | ||
6053240f | 77 | static int mantis_ca_slot_reset(struct dvb_ca_en50221 *en50221, int slot) |
50d82602 | 78 | { |
2133ffbf MA |
79 | struct mantis_ca *ca = en50221->data; |
80 | struct mantis_pci *mantis = ca->ca_priv; | |
81 | ||
82 | dprintk(verbose, MANTIS_DEBUG, 1, "Slot(%d): Slot RESET", slot); | |
fb6de9c5 MA |
83 | udelay(500); /* Wait.. */ |
84 | mmwrite(0xda, MANTIS_PCMCIA_RESET); /* Leading edge assert */ | |
85 | udelay(500); | |
86 | mmwrite(0x00, MANTIS_PCMCIA_RESET); /* Trailing edge deassert */ | |
87 | msleep(1000); | |
2ec9b00b | 88 | dvb_ca_en50221_camready_irq(&ca->en50221, 0); |
2133ffbf | 89 | |
6053240f MA |
90 | return 0; |
91 | } | |
50d82602 | 92 | |
6053240f MA |
93 | static int mantis_ca_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot) |
94 | { | |
2133ffbf MA |
95 | struct mantis_ca *ca = en50221->data; |
96 | struct mantis_pci *mantis = ca->ca_priv; | |
97 | ||
98 | dprintk(verbose, MANTIS_DEBUG, 1, "Slot(%d): Slot shutdown", slot); | |
99 | ||
6053240f MA |
100 | return 0; |
101 | } | |
50d82602 | 102 | |
6053240f MA |
103 | static int mantis_ts_control(struct dvb_ca_en50221 *en50221, int slot) |
104 | { | |
2133ffbf MA |
105 | struct mantis_ca *ca = en50221->data; |
106 | struct mantis_pci *mantis = ca->ca_priv; | |
107 | ||
108 | dprintk(verbose, MANTIS_DEBUG, 1, "Slot(%d): TS control", slot); | |
990f8d1e | 109 | mantis_set_direction(mantis, 1); /* Enable TS through CAM */ |
2133ffbf | 110 | |
50d82602 | 111 | return 0; |
50d82602 MA |
112 | } |
113 | ||
6053240f | 114 | static int mantis_slot_status(struct dvb_ca_en50221 *en50221, int slot, int open) |
50d82602 | 115 | { |
4e9fbeee | 116 | struct mantis_ca *ca = en50221->data; |
2133ffbf MA |
117 | struct mantis_pci *mantis = ca->ca_priv; |
118 | ||
119 | dprintk(verbose, MANTIS_DEBUG, 1, "Slot(%d): Poll Slot status", slot); | |
4e9fbeee | 120 | |
5e2a0c99 MA |
121 | if (ca->slot_state == MODULE_INSERTED) { |
122 | dprintk(verbose, MANTIS_DEBUG, 1, "CA Module present and ready"); | |
4e9fbeee | 123 | return DVB_CA_EN50221_POLL_CAM_PRESENT | DVB_CA_EN50221_POLL_CAM_READY; |
5e2a0c99 MA |
124 | } else { |
125 | dprintk(verbose, MANTIS_DEBUG, 1, "CA Module not present or not ready"); | |
126 | } | |
4e9fbeee | 127 | |
6053240f MA |
128 | return 0; |
129 | } | |
50d82602 | 130 | |
6053240f MA |
131 | int mantis_ca_init(struct mantis_pci *mantis) |
132 | { | |
50d82602 MA |
133 | struct dvb_adapter *dvb_adapter = &mantis->dvb_adapter; |
134 | struct mantis_ca *ca; | |
6053240f | 135 | int ca_flags = 0, result; |
50d82602 | 136 | |
2133ffbf | 137 | dprintk(verbose, MANTIS_DEBUG, 1, "Initializing Mantis CA"); |
50d82602 MA |
138 | if (!(ca = kzalloc(sizeof (struct mantis_ca), GFP_KERNEL))) { |
139 | dprintk(verbose, MANTIS_ERROR, 1, "Out of memory!, exiting .."); | |
6053240f MA |
140 | result = -ENOMEM; |
141 | goto err; | |
50d82602 MA |
142 | } |
143 | ||
144 | ca->ca_priv = mantis; | |
6053240f | 145 | mantis->mantis_ca = ca; |
f9ce1c3f MA |
146 | ca_flags = DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE | |
147 | DVB_CA_EN50221_FLAG_IRQ_FR | | |
148 | DVB_CA_EN50221_FLAG_IRQ_DA; | |
6053240f MA |
149 | |
150 | /* register CA interface */ | |
151 | ca->en50221.owner = THIS_MODULE; | |
152 | ca->en50221.read_attribute_mem = mantis_ca_read_attr_mem; | |
153 | ca->en50221.write_attribute_mem = mantis_ca_write_attr_mem; | |
154 | ca->en50221.read_cam_control = mantis_ca_read_cam_ctl; | |
155 | ca->en50221.write_cam_control = mantis_ca_write_cam_ctl; | |
156 | ca->en50221.slot_reset = mantis_ca_slot_reset; | |
157 | ca->en50221.slot_shutdown = mantis_ca_slot_shutdown; | |
158 | ca->en50221.slot_ts_enable = mantis_ts_control; | |
159 | ca->en50221.poll_slot_status = mantis_slot_status; | |
160 | ca->en50221.data = ca; | |
161 | ||
162 | dprintk(verbose, MANTIS_ERROR, 1, "Registering EN50221 device"); | |
163 | if ((result = dvb_ca_en50221_init(dvb_adapter, &ca->en50221, ca_flags, 1)) != 0) { | |
164 | dprintk(verbose, MANTIS_ERROR, 1, "EN50221: Initialization failed"); | |
165 | goto err; | |
50d82602 | 166 | } |
6053240f MA |
167 | dprintk(verbose, MANTIS_ERROR, 1, "Registered EN50221 device"); |
168 | mantis_evmgr_init(ca); | |
50d82602 | 169 | return 0; |
6053240f MA |
170 | err: |
171 | kfree(ca); | |
172 | return result; | |
50d82602 MA |
173 | } |
174 | ||
175 | void mantis_ca_exit(struct mantis_pci *mantis) | |
176 | { | |
177 | struct mantis_ca *ca = mantis->mantis_ca; | |
2133ffbf MA |
178 | |
179 | dprintk(verbose, MANTIS_DEBUG, 1, "Mantis CA exit"); | |
50d82602 MA |
180 | |
181 | mantis_evmgr_exit(ca); | |
6053240f MA |
182 | dprintk(verbose, MANTIS_ERROR, 1, "Unregistering EN50221 device"); |
183 | dvb_ca_en50221_release(&ca->en50221); | |
50d82602 MA |
184 | |
185 | kfree(ca); | |
186 | } |