1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * FireDTV driver (formerly known as FireSAT)
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <linux/bitops.h>
9*4882a593Smuzhiyun #include <linux/input.h>
10*4882a593Smuzhiyun #include <linux/kernel.h>
11*4882a593Smuzhiyun #include <linux/slab.h>
12*4882a593Smuzhiyun #include <linux/string.h>
13*4882a593Smuzhiyun #include <linux/types.h>
14*4882a593Smuzhiyun #include <linux/workqueue.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #include "firedtv.h"
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun /* fixed table with older keycodes, geared towards MythTV */
19*4882a593Smuzhiyun static const u16 oldtable[] = {
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun /* code from device: 0x4501...0x451f */
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun KEY_ESC,
24*4882a593Smuzhiyun KEY_F9,
25*4882a593Smuzhiyun KEY_1,
26*4882a593Smuzhiyun KEY_2,
27*4882a593Smuzhiyun KEY_3,
28*4882a593Smuzhiyun KEY_4,
29*4882a593Smuzhiyun KEY_5,
30*4882a593Smuzhiyun KEY_6,
31*4882a593Smuzhiyun KEY_7,
32*4882a593Smuzhiyun KEY_8,
33*4882a593Smuzhiyun KEY_9,
34*4882a593Smuzhiyun KEY_I,
35*4882a593Smuzhiyun KEY_0,
36*4882a593Smuzhiyun KEY_ENTER,
37*4882a593Smuzhiyun KEY_RED,
38*4882a593Smuzhiyun KEY_UP,
39*4882a593Smuzhiyun KEY_GREEN,
40*4882a593Smuzhiyun KEY_F10,
41*4882a593Smuzhiyun KEY_SPACE,
42*4882a593Smuzhiyun KEY_F11,
43*4882a593Smuzhiyun KEY_YELLOW,
44*4882a593Smuzhiyun KEY_DOWN,
45*4882a593Smuzhiyun KEY_BLUE,
46*4882a593Smuzhiyun KEY_Z,
47*4882a593Smuzhiyun KEY_P,
48*4882a593Smuzhiyun KEY_PAGEDOWN,
49*4882a593Smuzhiyun KEY_LEFT,
50*4882a593Smuzhiyun KEY_W,
51*4882a593Smuzhiyun KEY_RIGHT,
52*4882a593Smuzhiyun KEY_P,
53*4882a593Smuzhiyun KEY_M,
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun /* code from device: 0x4540...0x4542 */
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun KEY_R,
58*4882a593Smuzhiyun KEY_V,
59*4882a593Smuzhiyun KEY_C,
60*4882a593Smuzhiyun };
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun /* user-modifiable table for a remote as sold in 2008 */
63*4882a593Smuzhiyun static const u16 keytable[] = {
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun /* code from device: 0x0300...0x031f */
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun [0x00] = KEY_POWER,
68*4882a593Smuzhiyun [0x01] = KEY_SLEEP,
69*4882a593Smuzhiyun [0x02] = KEY_STOP,
70*4882a593Smuzhiyun [0x03] = KEY_OK,
71*4882a593Smuzhiyun [0x04] = KEY_RIGHT,
72*4882a593Smuzhiyun [0x05] = KEY_1,
73*4882a593Smuzhiyun [0x06] = KEY_2,
74*4882a593Smuzhiyun [0x07] = KEY_3,
75*4882a593Smuzhiyun [0x08] = KEY_LEFT,
76*4882a593Smuzhiyun [0x09] = KEY_4,
77*4882a593Smuzhiyun [0x0a] = KEY_5,
78*4882a593Smuzhiyun [0x0b] = KEY_6,
79*4882a593Smuzhiyun [0x0c] = KEY_UP,
80*4882a593Smuzhiyun [0x0d] = KEY_7,
81*4882a593Smuzhiyun [0x0e] = KEY_8,
82*4882a593Smuzhiyun [0x0f] = KEY_9,
83*4882a593Smuzhiyun [0x10] = KEY_DOWN,
84*4882a593Smuzhiyun [0x11] = KEY_TITLE, /* "OSD" - fixme */
85*4882a593Smuzhiyun [0x12] = KEY_0,
86*4882a593Smuzhiyun [0x13] = KEY_F20, /* "16:9" - fixme */
87*4882a593Smuzhiyun [0x14] = KEY_SCREEN, /* "FULL" - fixme */
88*4882a593Smuzhiyun [0x15] = KEY_MUTE,
89*4882a593Smuzhiyun [0x16] = KEY_SUBTITLE,
90*4882a593Smuzhiyun [0x17] = KEY_RECORD,
91*4882a593Smuzhiyun [0x18] = KEY_TEXT,
92*4882a593Smuzhiyun [0x19] = KEY_AUDIO,
93*4882a593Smuzhiyun [0x1a] = KEY_RED,
94*4882a593Smuzhiyun [0x1b] = KEY_PREVIOUS,
95*4882a593Smuzhiyun [0x1c] = KEY_REWIND,
96*4882a593Smuzhiyun [0x1d] = KEY_PLAYPAUSE,
97*4882a593Smuzhiyun [0x1e] = KEY_NEXT,
98*4882a593Smuzhiyun [0x1f] = KEY_VOLUMEUP,
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun /* code from device: 0x0340...0x0354 */
101*4882a593Smuzhiyun
102*4882a593Smuzhiyun [0x20] = KEY_CHANNELUP,
103*4882a593Smuzhiyun [0x21] = KEY_F21, /* "4:3" - fixme */
104*4882a593Smuzhiyun [0x22] = KEY_TV,
105*4882a593Smuzhiyun [0x23] = KEY_DVD,
106*4882a593Smuzhiyun [0x24] = KEY_VCR,
107*4882a593Smuzhiyun [0x25] = KEY_AUX,
108*4882a593Smuzhiyun [0x26] = KEY_GREEN,
109*4882a593Smuzhiyun [0x27] = KEY_YELLOW,
110*4882a593Smuzhiyun [0x28] = KEY_BLUE,
111*4882a593Smuzhiyun [0x29] = KEY_CHANNEL, /* "CH.LIST" */
112*4882a593Smuzhiyun [0x2a] = KEY_VENDOR, /* "CI" - fixme */
113*4882a593Smuzhiyun [0x2b] = KEY_VOLUMEDOWN,
114*4882a593Smuzhiyun [0x2c] = KEY_CHANNELDOWN,
115*4882a593Smuzhiyun [0x2d] = KEY_LAST,
116*4882a593Smuzhiyun [0x2e] = KEY_INFO,
117*4882a593Smuzhiyun [0x2f] = KEY_FORWARD,
118*4882a593Smuzhiyun [0x30] = KEY_LIST,
119*4882a593Smuzhiyun [0x31] = KEY_FAVORITES,
120*4882a593Smuzhiyun [0x32] = KEY_MENU,
121*4882a593Smuzhiyun [0x33] = KEY_EPG,
122*4882a593Smuzhiyun [0x34] = KEY_EXIT,
123*4882a593Smuzhiyun };
124*4882a593Smuzhiyun
fdtv_register_rc(struct firedtv * fdtv,struct device * dev)125*4882a593Smuzhiyun int fdtv_register_rc(struct firedtv *fdtv, struct device *dev)
126*4882a593Smuzhiyun {
127*4882a593Smuzhiyun struct input_dev *idev;
128*4882a593Smuzhiyun int i, err;
129*4882a593Smuzhiyun
130*4882a593Smuzhiyun idev = input_allocate_device();
131*4882a593Smuzhiyun if (!idev)
132*4882a593Smuzhiyun return -ENOMEM;
133*4882a593Smuzhiyun
134*4882a593Smuzhiyun fdtv->remote_ctrl_dev = idev;
135*4882a593Smuzhiyun idev->name = "FireDTV remote control";
136*4882a593Smuzhiyun idev->dev.parent = dev;
137*4882a593Smuzhiyun idev->evbit[0] = BIT_MASK(EV_KEY);
138*4882a593Smuzhiyun idev->keycode = kmemdup(keytable, sizeof(keytable), GFP_KERNEL);
139*4882a593Smuzhiyun if (!idev->keycode) {
140*4882a593Smuzhiyun err = -ENOMEM;
141*4882a593Smuzhiyun goto fail;
142*4882a593Smuzhiyun }
143*4882a593Smuzhiyun idev->keycodesize = sizeof(keytable[0]);
144*4882a593Smuzhiyun idev->keycodemax = ARRAY_SIZE(keytable);
145*4882a593Smuzhiyun
146*4882a593Smuzhiyun for (i = 0; i < ARRAY_SIZE(keytable); i++)
147*4882a593Smuzhiyun set_bit(keytable[i], idev->keybit);
148*4882a593Smuzhiyun
149*4882a593Smuzhiyun err = input_register_device(idev);
150*4882a593Smuzhiyun if (err)
151*4882a593Smuzhiyun goto fail_free_keymap;
152*4882a593Smuzhiyun
153*4882a593Smuzhiyun return 0;
154*4882a593Smuzhiyun
155*4882a593Smuzhiyun fail_free_keymap:
156*4882a593Smuzhiyun kfree(idev->keycode);
157*4882a593Smuzhiyun fail:
158*4882a593Smuzhiyun input_free_device(idev);
159*4882a593Smuzhiyun return err;
160*4882a593Smuzhiyun }
161*4882a593Smuzhiyun
fdtv_unregister_rc(struct firedtv * fdtv)162*4882a593Smuzhiyun void fdtv_unregister_rc(struct firedtv *fdtv)
163*4882a593Smuzhiyun {
164*4882a593Smuzhiyun cancel_work_sync(&fdtv->remote_ctrl_work);
165*4882a593Smuzhiyun kfree(fdtv->remote_ctrl_dev->keycode);
166*4882a593Smuzhiyun input_unregister_device(fdtv->remote_ctrl_dev);
167*4882a593Smuzhiyun }
168*4882a593Smuzhiyun
fdtv_handle_rc(struct firedtv * fdtv,unsigned int code)169*4882a593Smuzhiyun void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code)
170*4882a593Smuzhiyun {
171*4882a593Smuzhiyun struct input_dev *idev = fdtv->remote_ctrl_dev;
172*4882a593Smuzhiyun u16 *keycode = idev->keycode;
173*4882a593Smuzhiyun
174*4882a593Smuzhiyun if (code >= 0x0300 && code <= 0x031f)
175*4882a593Smuzhiyun code = keycode[code - 0x0300];
176*4882a593Smuzhiyun else if (code >= 0x0340 && code <= 0x0354)
177*4882a593Smuzhiyun code = keycode[code - 0x0320];
178*4882a593Smuzhiyun else if (code >= 0x4501 && code <= 0x451f)
179*4882a593Smuzhiyun code = oldtable[code - 0x4501];
180*4882a593Smuzhiyun else if (code >= 0x4540 && code <= 0x4542)
181*4882a593Smuzhiyun code = oldtable[code - 0x4521];
182*4882a593Smuzhiyun else {
183*4882a593Smuzhiyun dev_dbg(fdtv->device,
184*4882a593Smuzhiyun "invalid key code 0x%04x from remote control\n",
185*4882a593Smuzhiyun code);
186*4882a593Smuzhiyun return;
187*4882a593Smuzhiyun }
188*4882a593Smuzhiyun
189*4882a593Smuzhiyun input_report_key(idev, code, 1);
190*4882a593Smuzhiyun input_sync(idev);
191*4882a593Smuzhiyun input_report_key(idev, code, 0);
192*4882a593Smuzhiyun input_sync(idev);
193*4882a593Smuzhiyun }
194