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10#include <linux/kernel.h>
11#include <media/rc-core.h>
12
13#include "av7110.h"
14#include "av7110_hw.h"
15
16#define IR_RC5 0
17#define IR_RCMM 1
18#define IR_RC5_EXT 2
19
20
21void av7110_ir_handler(struct av7110 *av7110, u32 ircom)
22{
23 struct rc_dev *rcdev = av7110->ir.rcdev;
24 enum rc_proto proto;
25 u32 command, addr, scancode;
26 u32 toggle;
27
28 dprintk(4, "ir command = %08x\n", ircom);
29
30 if (rcdev) {
31 switch (av7110->ir.ir_config) {
32 case IR_RC5:
33 command = ircom & 0x3f;
34 addr = (ircom >> 6) & 0x1f;
35 scancode = RC_SCANCODE_RC5(addr, command);
36 toggle = ircom & 0x0800;
37 proto = RC_PROTO_RC5;
38 break;
39
40 case IR_RCMM:
41 command = ircom & 0xff;
42 addr = (ircom >> 8) & 0x1f;
43 scancode = ircom;
44 toggle = ircom & 0x8000;
45 proto = RC_PROTO_UNKNOWN;
46 break;
47
48 case IR_RC5_EXT:
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54
55 command = ircom & 0x3f;
56 addr = (ircom >> 6) & 0x1f;
57 if (!(ircom & 0x1000))
58 command |= 0x40;
59 scancode = RC_SCANCODE_RC5(addr, command);
60 toggle = ircom & 0x0800;
61 proto = RC_PROTO_RC5;
62 break;
63 default:
64 dprintk(2, "unknown ir config %d\n",
65 av7110->ir.ir_config);
66 return;
67 }
68
69 rc_keydown(rcdev, proto, scancode, toggle != 0);
70 }
71}
72
73int av7110_set_ir_config(struct av7110 *av7110)
74{
75 dprintk(4, "ir config = %08x\n", av7110->ir.ir_config);
76
77 return av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1,
78 av7110->ir.ir_config);
79}
80
81static int change_protocol(struct rc_dev *rcdev, u64 *rc_type)
82{
83 struct av7110 *av7110 = rcdev->priv;
84 u32 ir_config;
85
86 if (*rc_type & RC_PROTO_BIT_UNKNOWN) {
87 ir_config = IR_RCMM;
88 *rc_type = RC_PROTO_UNKNOWN;
89 } else if (*rc_type & RC_PROTO_BIT_RC5) {
90 if (FW_VERSION(av7110->arm_app) >= 0x2620)
91 ir_config = IR_RC5_EXT;
92 else
93 ir_config = IR_RC5;
94 *rc_type = RC_PROTO_BIT_RC5;
95 } else {
96 return -EINVAL;
97 }
98
99 if (ir_config == av7110->ir.ir_config)
100 return 0;
101
102 av7110->ir.ir_config = ir_config;
103
104 return av7110_set_ir_config(av7110);
105}
106
107int av7110_ir_init(struct av7110 *av7110)
108{
109 struct rc_dev *rcdev;
110 struct pci_dev *pci;
111 int ret;
112
113 rcdev = rc_allocate_device(RC_DRIVER_SCANCODE);
114 if (!rcdev)
115 return -ENOMEM;
116
117 pci = av7110->dev->pci;
118
119 snprintf(av7110->ir.input_phys, sizeof(av7110->ir.input_phys),
120 "pci-%s/ir0", pci_name(pci));
121
122 rcdev->device_name = av7110->card_name;
123 rcdev->driver_name = KBUILD_MODNAME;
124 rcdev->input_phys = av7110->ir.input_phys;
125 rcdev->input_id.bustype = BUS_PCI;
126 rcdev->input_id.version = 2;
127 if (pci->subsystem_vendor) {
128 rcdev->input_id.vendor = pci->subsystem_vendor;
129 rcdev->input_id.product = pci->subsystem_device;
130 } else {
131 rcdev->input_id.vendor = pci->vendor;
132 rcdev->input_id.product = pci->device;
133 }
134
135 rcdev->dev.parent = &pci->dev;
136 rcdev->allowed_protocols = RC_PROTO_BIT_RC5 | RC_PROTO_BIT_UNKNOWN;
137 rcdev->change_protocol = change_protocol;
138 rcdev->map_name = RC_MAP_HAUPPAUGE;
139 rcdev->priv = av7110;
140
141 av7110->ir.rcdev = rcdev;
142 av7110->ir.ir_config = IR_RC5;
143 av7110_set_ir_config(av7110);
144
145 ret = rc_register_device(rcdev);
146 if (ret) {
147 av7110->ir.rcdev = NULL;
148 rc_free_device(rcdev);
149 }
150
151 return ret;
152}
153
154void av7110_ir_exit(struct av7110 *av7110)
155{
156 rc_unregister_device(av7110->ir.rcdev);
157}
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