Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * |
| 3 | * keyboard input driver for i2c IR remote controls |
| 4 | * |
| 5 | * Copyright (c) 2000-2003 Gerd Knorr <kraxel@bytesex.org> |
| 6 | * modified for PixelView (BT878P+W/FM) by |
| 7 | * Michal Kochanowicz <mkochano@pld.org.pl> |
| 8 | * Christoph Bartelmus <lirc@bartelmus.de> |
| 9 | * modified for KNC ONE TV Station/Anubis Typhoon TView Tuner by |
| 10 | * Ulrich Mueller <ulrich.mueller42@web.de> |
Markus Rechberger | c365864 | 2005-11-08 21:37:21 -0800 | [diff] [blame] | 11 | * modified for em2820 based USB TV tuners by |
| 12 | * Markus Rechberger <mrechberger@gmail.com> |
Chaogui Zhang | d54d698 | 2007-08-24 01:02:32 -0300 | [diff] [blame] | 13 | * modified for DViCO Fusion HDTV 5 RT GOLD by |
| 14 | * Chaogui Zhang <czhang1974@gmail.com> |
Brian Rogers | ba340b4 | 2008-10-13 08:37:06 -0300 | [diff] [blame] | 15 | * modified for MSI TV@nywhere Plus by |
| 16 | * Henry Wong <henry@stuffedcow.net> |
| 17 | * Mark Schultz <n9xmj@yahoo.com> |
| 18 | * Brian Rogers <brian_rogers@comcast.net> |
Oldřich Jedlička | cb3bf50 | 2009-02-12 03:43:11 -0300 | [diff] [blame] | 19 | * modified for AVerMedia Cardbus by |
| 20 | * Oldrich Jedlicka <oldium.pro@seznam.cz> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | * |
| 22 | * This program is free software; you can redistribute it and/or modify |
| 23 | * it under the terms of the GNU General Public License as published by |
| 24 | * the Free Software Foundation; either version 2 of the License, or |
| 25 | * (at your option) any later version. |
| 26 | * |
| 27 | * This program is distributed in the hope that it will be useful, |
| 28 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 30 | * GNU General Public License for more details. |
| 31 | * |
| 32 | * You should have received a copy of the GNU General Public License |
| 33 | * along with this program; if not, write to the Free Software |
| 34 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 35 | * |
| 36 | */ |
| 37 | |
| 38 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #include <linux/init.h> |
| 40 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #include <linux/string.h> |
| 42 | #include <linux/timer.h> |
| 43 | #include <linux/delay.h> |
| 44 | #include <linux/errno.h> |
| 45 | #include <linux/slab.h> |
| 46 | #include <linux/i2c.h> |
Jan Frey | 39cf1e8 | 2007-06-25 14:34:06 -0300 | [diff] [blame] | 47 | #include <linux/i2c-id.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | #include <linux/workqueue.h> |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 49 | |
David Härdeman | 0dc5094 | 2010-06-07 16:32:33 -0300 | [diff] [blame] | 50 | #include <media/ir-core.h> |
Mauro Carvalho Chehab | d5e5265 | 2005-11-08 21:37:32 -0800 | [diff] [blame] | 51 | #include <media/ir-kbd-i2c.h> |
Markus Rechberger | c365864 | 2005-11-08 21:37:21 -0800 | [diff] [blame] | 52 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | /* ----------------------------------------------------------------------- */ |
| 54 | /* insmod parameters */ |
| 55 | |
| 56 | static int debug; |
| 57 | module_param(debug, int, 0644); /* debug level (0,1,2) */ |
| 58 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 59 | static int hauppauge; |
J.O. Aho | bf47e4e | 2006-01-23 09:34:06 -0200 | [diff] [blame] | 60 | module_param(hauppauge, int, 0644); /* Choose Hauppauge remote */ |
| 61 | MODULE_PARM_DESC(hauppauge, "Specify Hauppauge remote: 0=black, 1=grey (defaults to 0)"); |
| 62 | |
| 63 | |
Mauro Carvalho Chehab | 727e625 | 2010-03-12 21:18:14 -0300 | [diff] [blame] | 64 | #define MODULE_NAME "ir-kbd-i2c" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | #define dprintk(level, fmt, arg...) if (debug >= level) \ |
Mauro Carvalho Chehab | 727e625 | 2010-03-12 21:18:14 -0300 | [diff] [blame] | 66 | printk(KERN_DEBUG MODULE_NAME ": " fmt , ## arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | |
| 68 | /* ----------------------------------------------------------------------- */ |
| 69 | |
Jan Frey | 39cf1e8 | 2007-06-25 14:34:06 -0300 | [diff] [blame] | 70 | static int get_key_haup_common(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, |
| 71 | int size, int offset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | { |
Jan Frey | 39cf1e8 | 2007-06-25 14:34:06 -0300 | [diff] [blame] | 73 | unsigned char buf[6]; |
Darron Broad | 34c0802 | 2008-09-22 00:54:59 -0300 | [diff] [blame] | 74 | int start, range, toggle, dev, code, ircode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
| 76 | /* poll IR chip */ |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 77 | if (size != i2c_master_recv(ir->c, buf, size)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | return -EIO; |
| 79 | |
| 80 | /* split rc5 data block ... */ |
Jan Frey | 39cf1e8 | 2007-06-25 14:34:06 -0300 | [diff] [blame] | 81 | start = (buf[offset] >> 7) & 1; |
| 82 | range = (buf[offset] >> 6) & 1; |
| 83 | toggle = (buf[offset] >> 5) & 1; |
| 84 | dev = buf[offset] & 0x1f; |
| 85 | code = (buf[offset+1] >> 2) & 0x3f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | |
David Hardeman | cc7093d | 2006-09-26 16:39:00 -0300 | [diff] [blame] | 87 | /* rc5 has two start bits |
| 88 | * the first bit must be one |
| 89 | * the second bit defines the command range (1 = 0-63, 0 = 64 - 127) |
| 90 | */ |
| 91 | if (!start) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | /* no key pressed */ |
| 93 | return 0; |
Darron Broad | 34c0802 | 2008-09-22 00:54:59 -0300 | [diff] [blame] | 94 | /* |
| 95 | * Hauppauge remotes (black/silver) always use |
| 96 | * specific device ids. If we do not filter the |
| 97 | * device ids then messages destined for devices |
| 98 | * such as TVs (id=0) will get through causing |
| 99 | * mis-fired events. |
| 100 | * |
| 101 | * We also filter out invalid key presses which |
| 102 | * produce annoying debug log entries. |
| 103 | */ |
| 104 | ircode= (start << 12) | (toggle << 11) | (dev << 6) | code; |
| 105 | if ((ircode & 0x1fff)==0x1fff) |
| 106 | /* invalid key press */ |
| 107 | return 0; |
| 108 | |
| 109 | if (dev!=0x1e && dev!=0x1f) |
| 110 | /* not a hauppauge remote */ |
| 111 | return 0; |
David Hardeman | cc7093d | 2006-09-26 16:39:00 -0300 | [diff] [blame] | 112 | |
| 113 | if (!range) |
| 114 | code += 64; |
| 115 | |
| 116 | dprintk(1,"ir hauppauge (rc5): s%d r%d t%d dev=%d code=%d\n", |
| 117 | start, range, toggle, dev, code); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | |
| 119 | /* return key */ |
| 120 | *ir_key = code; |
Darron Broad | 34c0802 | 2008-09-22 00:54:59 -0300 | [diff] [blame] | 121 | *ir_raw = ircode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | return 1; |
| 123 | } |
| 124 | |
Jean Delvare | 157da27 | 2009-07-28 11:41:35 -0300 | [diff] [blame] | 125 | static int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
Jan Frey | 39cf1e8 | 2007-06-25 14:34:06 -0300 | [diff] [blame] | 126 | { |
| 127 | return get_key_haup_common (ir, ir_key, ir_raw, 3, 0); |
| 128 | } |
| 129 | |
Jean Delvare | 157da27 | 2009-07-28 11:41:35 -0300 | [diff] [blame] | 130 | static int get_key_haup_xvr(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
Jan Frey | 39cf1e8 | 2007-06-25 14:34:06 -0300 | [diff] [blame] | 131 | { |
| 132 | return get_key_haup_common (ir, ir_key, ir_raw, 6, 3); |
| 133 | } |
| 134 | |
Mauro Carvalho Chehab | d5e5265 | 2005-11-08 21:37:32 -0800 | [diff] [blame] | 135 | static int get_key_pixelview(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 137 | unsigned char b; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | |
| 139 | /* poll IR chip */ |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 140 | if (1 != i2c_master_recv(ir->c, &b, 1)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | dprintk(1,"read error\n"); |
| 142 | return -EIO; |
| 143 | } |
| 144 | *ir_key = b; |
| 145 | *ir_raw = b; |
| 146 | return 1; |
| 147 | } |
| 148 | |
Michael Krufky | 3c44358 | 2007-08-24 01:07:12 -0300 | [diff] [blame] | 149 | static int get_key_fusionhdtv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
Chaogui Zhang | d54d698 | 2007-08-24 01:02:32 -0300 | [diff] [blame] | 150 | { |
| 151 | unsigned char buf[4]; |
| 152 | |
| 153 | /* poll IR chip */ |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 154 | if (4 != i2c_master_recv(ir->c, buf, 4)) { |
Chaogui Zhang | d54d698 | 2007-08-24 01:02:32 -0300 | [diff] [blame] | 155 | dprintk(1,"read error\n"); |
| 156 | return -EIO; |
| 157 | } |
| 158 | |
| 159 | if(buf[0] !=0 || buf[1] !=0 || buf[2] !=0 || buf[3] != 0) |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 160 | dprintk(2, "%s: 0x%2x 0x%2x 0x%2x 0x%2x\n", __func__, |
Chaogui Zhang | d54d698 | 2007-08-24 01:02:32 -0300 | [diff] [blame] | 161 | buf[0], buf[1], buf[2], buf[3]); |
| 162 | |
| 163 | /* no key pressed or signal from other ir remote */ |
| 164 | if(buf[0] != 0x1 || buf[1] != 0xfe) |
| 165 | return 0; |
| 166 | |
| 167 | *ir_key = buf[2]; |
| 168 | *ir_raw = (buf[2] << 8) | buf[3]; |
| 169 | |
| 170 | return 1; |
Chaogui Zhang | d54d698 | 2007-08-24 01:02:32 -0300 | [diff] [blame] | 171 | } |
| 172 | |
Mauro Carvalho Chehab | d5e5265 | 2005-11-08 21:37:32 -0800 | [diff] [blame] | 173 | static int get_key_knc1(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | { |
| 175 | unsigned char b; |
| 176 | |
| 177 | /* poll IR chip */ |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 178 | if (1 != i2c_master_recv(ir->c, &b, 1)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | dprintk(1,"read error\n"); |
| 180 | return -EIO; |
| 181 | } |
| 182 | |
| 183 | /* it seems that 0xFE indicates that a button is still hold |
Mauro Carvalho Chehab | 4f9c05a | 2005-11-08 21:37:36 -0800 | [diff] [blame] | 184 | down, while 0xff indicates that no button is hold |
| 185 | down. 0xfe sequences are sometimes interrupted by 0xFF */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | |
| 187 | dprintk(2,"key %02x\n", b); |
| 188 | |
Mauro Carvalho Chehab | 4f9c05a | 2005-11-08 21:37:36 -0800 | [diff] [blame] | 189 | if (b == 0xff) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | return 0; |
| 191 | |
Mauro Carvalho Chehab | 4f9c05a | 2005-11-08 21:37:36 -0800 | [diff] [blame] | 192 | if (b == 0xfe) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | /* keep old data */ |
| 194 | return 1; |
| 195 | |
| 196 | *ir_key = b; |
| 197 | *ir_raw = b; |
| 198 | return 1; |
| 199 | } |
| 200 | |
Oldřich Jedlička | cb3bf50 | 2009-02-12 03:43:11 -0300 | [diff] [blame] | 201 | static int get_key_avermedia_cardbus(struct IR_i2c *ir, |
| 202 | u32 *ir_key, u32 *ir_raw) |
| 203 | { |
| 204 | unsigned char subaddr, key, keygroup; |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 205 | struct i2c_msg msg[] = { { .addr = ir->c->addr, .flags = 0, |
Oldřich Jedlička | cb3bf50 | 2009-02-12 03:43:11 -0300 | [diff] [blame] | 206 | .buf = &subaddr, .len = 1}, |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 207 | { .addr = ir->c->addr, .flags = I2C_M_RD, |
Oldřich Jedlička | cb3bf50 | 2009-02-12 03:43:11 -0300 | [diff] [blame] | 208 | .buf = &key, .len = 1} }; |
| 209 | subaddr = 0x0d; |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 210 | if (2 != i2c_transfer(ir->c->adapter, msg, 2)) { |
Oldřich Jedlička | cb3bf50 | 2009-02-12 03:43:11 -0300 | [diff] [blame] | 211 | dprintk(1, "read error\n"); |
| 212 | return -EIO; |
| 213 | } |
| 214 | |
| 215 | if (key == 0xff) |
| 216 | return 0; |
| 217 | |
| 218 | subaddr = 0x0b; |
| 219 | msg[1].buf = &keygroup; |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 220 | if (2 != i2c_transfer(ir->c->adapter, msg, 2)) { |
Oldřich Jedlička | cb3bf50 | 2009-02-12 03:43:11 -0300 | [diff] [blame] | 221 | dprintk(1, "read error\n"); |
| 222 | return -EIO; |
| 223 | } |
| 224 | |
| 225 | if (keygroup == 0xff) |
| 226 | return 0; |
| 227 | |
| 228 | dprintk(1, "read key 0x%02x/0x%02x\n", key, keygroup); |
| 229 | if (keygroup < 2 || keygroup > 3) { |
| 230 | /* Only a warning */ |
| 231 | dprintk(1, "warning: invalid key group 0x%02x for key 0x%02x\n", |
| 232 | keygroup, key); |
| 233 | } |
| 234 | key |= (keygroup & 1) << 6; |
| 235 | |
| 236 | *ir_key = key; |
| 237 | *ir_raw = key; |
| 238 | return 1; |
| 239 | } |
| 240 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | /* ----------------------------------------------------------------------- */ |
| 242 | |
Mauro Carvalho Chehab | d5e5265 | 2005-11-08 21:37:32 -0800 | [diff] [blame] | 243 | static void ir_key_poll(struct IR_i2c *ir) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | { |
| 245 | static u32 ir_key, ir_raw; |
| 246 | int rc; |
| 247 | |
| 248 | dprintk(2,"ir_poll_key\n"); |
| 249 | rc = ir->get_key(ir, &ir_key, &ir_raw); |
| 250 | if (rc < 0) { |
| 251 | dprintk(2,"error\n"); |
| 252 | return; |
| 253 | } |
| 254 | |
David Härdeman | 0dc5094 | 2010-06-07 16:32:33 -0300 | [diff] [blame] | 255 | if (rc) |
| 256 | ir_keydown(ir->input, ir_key, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | } |
| 258 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 259 | static void ir_work(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | { |
Jean Delvare | c1089bd | 2009-03-07 07:43:43 -0300 | [diff] [blame] | 261 | struct IR_i2c *ir = container_of(work, struct IR_i2c, work.work); |
Dmitry Torokhov | 8083c52 | 2007-05-21 11:51:11 -0300 | [diff] [blame] | 262 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | ir_key_poll(ir); |
Mauro Carvalho Chehab | c72ba8e | 2010-09-23 01:23:10 -0300 | [diff] [blame] | 264 | schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling_interval)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | /* ----------------------------------------------------------------------- */ |
| 268 | |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 269 | static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | { |
Mauro Carvalho Chehab | 02858ee | 2010-04-02 20:01:00 -0300 | [diff] [blame] | 271 | char *ir_codes = NULL; |
Jean Delvare | 9a4cc5a | 2009-05-13 16:50:11 -0300 | [diff] [blame] | 272 | const char *name = NULL; |
Mauro Carvalho Chehab | 971e829 | 2009-12-14 13:53:37 -0300 | [diff] [blame] | 273 | u64 ir_type = 0; |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 274 | struct IR_i2c *ir; |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 275 | struct input_dev *input_dev; |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 276 | struct i2c_adapter *adap = client->adapter; |
| 277 | unsigned short addr = client->addr; |
Dmitry Torokhov | b07b478 | 2006-11-20 10:23:04 -0300 | [diff] [blame] | 278 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 280 | ir = kzalloc(sizeof(struct IR_i2c),GFP_KERNEL); |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 281 | input_dev = input_allocate_device(); |
| 282 | if (!ir || !input_dev) { |
Dmitry Torokhov | b07b478 | 2006-11-20 10:23:04 -0300 | [diff] [blame] | 283 | err = -ENOMEM; |
| 284 | goto err_out_free; |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 285 | } |
| 286 | |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 287 | ir->c = client; |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 288 | ir->input = input_dev; |
Mauro Carvalho Chehab | c72ba8e | 2010-09-23 01:23:10 -0300 | [diff] [blame] | 289 | ir->polling_interval = DEFAULT_POLLING_INTERVAL; |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 290 | i2c_set_clientdata(client, ir); |
Mauro Carvalho Chehab | d21838d | 2006-01-09 15:25:21 -0200 | [diff] [blame] | 291 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | switch(addr) { |
| 293 | case 0x64: |
| 294 | name = "Pixelview"; |
| 295 | ir->get_key = get_key_pixelview; |
| 296 | ir_type = IR_TYPE_OTHER; |
Mauro Carvalho Chehab | 02858ee | 2010-04-02 20:01:00 -0300 | [diff] [blame] | 297 | ir_codes = RC_MAP_EMPTY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | case 0x18: |
Magnus Alm | ca39d84 | 2009-11-13 05:48:24 -0300 | [diff] [blame] | 300 | case 0x1f: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | case 0x1a: |
| 302 | name = "Hauppauge"; |
| 303 | ir->get_key = get_key_haup; |
| 304 | ir_type = IR_TYPE_RC5; |
J.O. Aho | bf47e4e | 2006-01-23 09:34:06 -0200 | [diff] [blame] | 305 | if (hauppauge == 1) { |
Mauro Carvalho Chehab | 02858ee | 2010-04-02 20:01:00 -0300 | [diff] [blame] | 306 | ir_codes = RC_MAP_HAUPPAUGE_NEW; |
J.O. Aho | bf47e4e | 2006-01-23 09:34:06 -0200 | [diff] [blame] | 307 | } else { |
Mauro Carvalho Chehab | 02858ee | 2010-04-02 20:01:00 -0300 | [diff] [blame] | 308 | ir_codes = RC_MAP_RC5_TV; |
J.O. Aho | bf47e4e | 2006-01-23 09:34:06 -0200 | [diff] [blame] | 309 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 310 | break; |
| 311 | case 0x30: |
Mauro Carvalho Chehab | d5e5265 | 2005-11-08 21:37:32 -0800 | [diff] [blame] | 312 | name = "KNC One"; |
| 313 | ir->get_key = get_key_knc1; |
| 314 | ir_type = IR_TYPE_OTHER; |
Mauro Carvalho Chehab | 02858ee | 2010-04-02 20:01:00 -0300 | [diff] [blame] | 315 | ir_codes = RC_MAP_EMPTY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | break; |
Chaogui Zhang | d54d698 | 2007-08-24 01:02:32 -0300 | [diff] [blame] | 317 | case 0x6b: |
Michael Krufky | 3c44358 | 2007-08-24 01:07:12 -0300 | [diff] [blame] | 318 | name = "FusionHDTV"; |
| 319 | ir->get_key = get_key_fusionhdtv; |
Chaogui Zhang | d54d698 | 2007-08-24 01:02:32 -0300 | [diff] [blame] | 320 | ir_type = IR_TYPE_RC5; |
Mauro Carvalho Chehab | 02858ee | 2010-04-02 20:01:00 -0300 | [diff] [blame] | 321 | ir_codes = RC_MAP_FUSIONHDTV_MCE; |
Chaogui Zhang | d54d698 | 2007-08-24 01:02:32 -0300 | [diff] [blame] | 322 | break; |
Oldřich Jedlička | cb3bf50 | 2009-02-12 03:43:11 -0300 | [diff] [blame] | 323 | case 0x40: |
| 324 | name = "AVerMedia Cardbus remote"; |
| 325 | ir->get_key = get_key_avermedia_cardbus; |
| 326 | ir_type = IR_TYPE_OTHER; |
Mauro Carvalho Chehab | 02858ee | 2010-04-02 20:01:00 -0300 | [diff] [blame] | 327 | ir_codes = RC_MAP_AVERMEDIA_CARDBUS; |
Oldřich Jedlička | cb3bf50 | 2009-02-12 03:43:11 -0300 | [diff] [blame] | 328 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | } |
| 330 | |
Jean Delvare | 4d7a2d6 | 2009-05-13 16:49:32 -0300 | [diff] [blame] | 331 | /* Let the caller override settings */ |
| 332 | if (client->dev.platform_data) { |
| 333 | const struct IR_i2c_init_data *init_data = |
| 334 | client->dev.platform_data; |
| 335 | |
| 336 | ir_codes = init_data->ir_codes; |
| 337 | name = init_data->name; |
Andy Walls | 1b6e59e | 2009-07-28 11:44:05 -0300 | [diff] [blame] | 338 | if (init_data->type) |
| 339 | ir_type = init_data->type; |
| 340 | |
Mauro Carvalho Chehab | c72ba8e | 2010-09-23 01:23:10 -0300 | [diff] [blame] | 341 | if (init_data->polling_interval) |
| 342 | ir->polling_interval = init_data->polling_interval; |
| 343 | |
Andy Walls | 1b6e59e | 2009-07-28 11:44:05 -0300 | [diff] [blame] | 344 | switch (init_data->internal_get_key_func) { |
| 345 | case IR_KBD_GET_KEY_CUSTOM: |
| 346 | /* The bridge driver provided us its own function */ |
| 347 | ir->get_key = init_data->get_key; |
| 348 | break; |
| 349 | case IR_KBD_GET_KEY_PIXELVIEW: |
| 350 | ir->get_key = get_key_pixelview; |
| 351 | break; |
Andy Walls | 1b6e59e | 2009-07-28 11:44:05 -0300 | [diff] [blame] | 352 | case IR_KBD_GET_KEY_HAUP: |
| 353 | ir->get_key = get_key_haup; |
| 354 | break; |
| 355 | case IR_KBD_GET_KEY_KNC1: |
| 356 | ir->get_key = get_key_knc1; |
| 357 | break; |
| 358 | case IR_KBD_GET_KEY_FUSIONHDTV: |
| 359 | ir->get_key = get_key_fusionhdtv; |
| 360 | break; |
| 361 | case IR_KBD_GET_KEY_HAUP_XVR: |
| 362 | ir->get_key = get_key_haup_xvr; |
| 363 | break; |
| 364 | case IR_KBD_GET_KEY_AVERMEDIA_CARDBUS: |
| 365 | ir->get_key = get_key_avermedia_cardbus; |
| 366 | break; |
| 367 | } |
Jean Delvare | 4d7a2d6 | 2009-05-13 16:49:32 -0300 | [diff] [blame] | 368 | } |
| 369 | |
Jean Delvare | 9a4cc5a | 2009-05-13 16:50:11 -0300 | [diff] [blame] | 370 | /* Make sure we are all setup before going on */ |
Jean Delvare | 7ef68e60 | 2009-10-02 10:27:42 -0300 | [diff] [blame] | 371 | if (!name || !ir->get_key || !ir_type || !ir_codes) { |
Lukas Karas | d995a18 | 2009-11-24 12:06:52 -0300 | [diff] [blame] | 372 | dprintk(1, ": Unsupported device at address 0x%02x\n", |
Jean Delvare | 9a4cc5a | 2009-05-13 16:50:11 -0300 | [diff] [blame] | 373 | addr); |
| 374 | err = -ENODEV; |
| 375 | goto err_out_free; |
| 376 | } |
| 377 | |
Ricardo Cerqueira | ac9cd97 | 2005-11-08 21:37:56 -0800 | [diff] [blame] | 378 | /* Sets name */ |
Jean Delvare | 1df8e98 | 2009-05-13 16:48:07 -0300 | [diff] [blame] | 379 | snprintf(ir->name, sizeof(ir->name), "i2c IR (%s)", name); |
Dmitry Torokhov | b07b478 | 2006-11-20 10:23:04 -0300 | [diff] [blame] | 380 | ir->ir_codes = ir_codes; |
Mauro Carvalho Chehab | d5e5265 | 2005-11-08 21:37:32 -0800 | [diff] [blame] | 381 | |
Ricardo Cerqueira | ac9cd97 | 2005-11-08 21:37:56 -0800 | [diff] [blame] | 382 | snprintf(ir->phys, sizeof(ir->phys), "%s/%s/ir0", |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 383 | dev_name(&adap->dev), |
| 384 | dev_name(&client->dev)); |
Ricardo Cerqueira | ac9cd97 | 2005-11-08 21:37:56 -0800 | [diff] [blame] | 385 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | /* init + register input device */ |
David Härdeman | 0dc5094 | 2010-06-07 16:32:33 -0300 | [diff] [blame] | 387 | ir->ir_type = ir_type; |
Mauro Carvalho Chehab | d21838d | 2006-01-09 15:25:21 -0200 | [diff] [blame] | 388 | input_dev->id.bustype = BUS_I2C; |
Jean Delvare | 1df8e98 | 2009-05-13 16:48:07 -0300 | [diff] [blame] | 389 | input_dev->name = ir->name; |
Mauro Carvalho Chehab | d21838d | 2006-01-09 15:25:21 -0200 | [diff] [blame] | 390 | input_dev->phys = ir->phys; |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 391 | |
Mauro Carvalho Chehab | 02858ee | 2010-04-02 20:01:00 -0300 | [diff] [blame] | 392 | err = ir_input_register(ir->input, ir->ir_codes, NULL, MODULE_NAME); |
Dmitry Torokhov | b07b478 | 2006-11-20 10:23:04 -0300 | [diff] [blame] | 393 | if (err) |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 394 | goto err_out_free; |
Dmitry Torokhov | b07b478 | 2006-11-20 10:23:04 -0300 | [diff] [blame] | 395 | |
Mauro Carvalho Chehab | 727e625 | 2010-03-12 21:18:14 -0300 | [diff] [blame] | 396 | printk(MODULE_NAME ": %s detected at %s [%s]\n", |
Dmitry Torokhov | b07b478 | 2006-11-20 10:23:04 -0300 | [diff] [blame] | 397 | ir->input->name, ir->input->phys, adap->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | |
| 399 | /* start polling via eventd */ |
Jean Delvare | c1089bd | 2009-03-07 07:43:43 -0300 | [diff] [blame] | 400 | INIT_DELAYED_WORK(&ir->work, ir_work); |
| 401 | schedule_delayed_work(&ir->work, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | |
| 403 | return 0; |
Dmitry Torokhov | b07b478 | 2006-11-20 10:23:04 -0300 | [diff] [blame] | 404 | |
Dmitry Torokhov | b07b478 | 2006-11-20 10:23:04 -0300 | [diff] [blame] | 405 | err_out_free: |
Dmitry Torokhov | b07b478 | 2006-11-20 10:23:04 -0300 | [diff] [blame] | 406 | kfree(ir); |
| 407 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | } |
| 409 | |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 410 | static int ir_remove(struct i2c_client *client) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 412 | struct IR_i2c *ir = i2c_get_clientdata(client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | |
| 414 | /* kill outstanding polls */ |
Jean Delvare | c1089bd | 2009-03-07 07:43:43 -0300 | [diff] [blame] | 415 | cancel_delayed_work_sync(&ir->work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 417 | /* unregister device */ |
Mauro Carvalho Chehab | 38ef6aa | 2009-12-11 09:47:42 -0300 | [diff] [blame] | 418 | ir_input_unregister(ir->input); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | |
| 420 | /* free memory */ |
| 421 | kfree(ir); |
| 422 | return 0; |
| 423 | } |
| 424 | |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 425 | static const struct i2c_device_id ir_kbd_id[] = { |
| 426 | /* Generic entry for any IR receiver */ |
| 427 | { "ir_video", 0 }, |
Andy Walls | f5d887a | 2009-07-28 11:50:14 -0300 | [diff] [blame] | 428 | /* IR device specific entries should be added here */ |
| 429 | { "ir_rx_z8f0811_haup", 0 }, |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 430 | { } |
| 431 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | |
Jean Delvare | c668f32 | 2009-05-13 16:48:50 -0300 | [diff] [blame] | 433 | static struct i2c_driver driver = { |
| 434 | .driver = { |
| 435 | .name = "ir-kbd-i2c", |
| 436 | }, |
| 437 | .probe = ir_probe, |
| 438 | .remove = ir_remove, |
| 439 | .id_table = ir_kbd_id, |
| 440 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | |
| 442 | /* ----------------------------------------------------------------------- */ |
| 443 | |
| 444 | MODULE_AUTHOR("Gerd Knorr, Michal Kochanowicz, Christoph Bartelmus, Ulrich Mueller"); |
| 445 | MODULE_DESCRIPTION("input driver for i2c IR remote controls"); |
| 446 | MODULE_LICENSE("GPL"); |
| 447 | |
| 448 | static int __init ir_init(void) |
| 449 | { |
| 450 | return i2c_add_driver(&driver); |
| 451 | } |
| 452 | |
| 453 | static void __exit ir_fini(void) |
| 454 | { |
| 455 | i2c_del_driver(&driver); |
| 456 | } |
| 457 | |
| 458 | module_init(ir_init); |
| 459 | module_exit(ir_fini); |
| 460 | |
| 461 | /* |
| 462 | * Overrides for Emacs so that we follow Linus's tabbing style. |
| 463 | * --------------------------------------------------------------------------- |
| 464 | * Local variables: |
| 465 | * c-basic-offset: 8 |
| 466 | * End: |
| 467 | */ |