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Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * handle saa7134 IR remotes via linux kernel input layer. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | * | |
19 | */ | |
20 | ||
21 | #include <linux/module.h> | |
22 | #include <linux/moduleparam.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/delay.h> | |
25 | #include <linux/sched.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/input.h> | |
28 | ||
29 | #include "saa7134-reg.h" | |
30 | #include "saa7134.h" | |
31 | ||
32 | static unsigned int disable_ir = 0; | |
33 | module_param(disable_ir, int, 0444); | |
34 | MODULE_PARM_DESC(disable_ir,"disable infrared remote support"); | |
35 | ||
36 | static unsigned int ir_debug = 0; | |
37 | module_param(ir_debug, int, 0644); | |
38 | MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]"); | |
39 | ||
40 | #define dprintk(fmt, arg...) if (ir_debug) \ | |
41 | printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg) | |
ac9cd976 RC |
42 | #define i2cdprintk(fmt, arg...) if (ir_debug) \ |
43 | printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg) | |
1da177e4 | 44 | |
ac9cd976 | 45 | /* -------------------- GPIO generic keycode builder -------------------- */ |
1da177e4 LT |
46 | |
47 | static int build_key(struct saa7134_dev *dev) | |
48 | { | |
49 | struct saa7134_ir *ir = dev->remote; | |
50 | u32 gpio, data; | |
51 | ||
52 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
53 | saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); | |
54 | saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); | |
55 | ||
56 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | |
4ac97914 MCC |
57 | if (ir->polling) { |
58 | if (ir->last_gpio == gpio) | |
59 | return 0; | |
60 | ir->last_gpio = gpio; | |
61 | } | |
1da177e4 | 62 | |
4ac97914 | 63 | data = ir_extract_bits(gpio, ir->mask_keycode); |
1da177e4 LT |
64 | dprintk("build_key gpio=0x%x mask=0x%x data=%d\n", |
65 | gpio, ir->mask_keycode, data); | |
66 | ||
0602fbb2 PM |
67 | if (ir->polling) { |
68 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | |
69 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | |
70 | ir_input_keydown(ir->dev, &ir->ir, data, data); | |
71 | } else { | |
72 | ir_input_nokey(ir->dev, &ir->ir); | |
73 | } | |
1da177e4 | 74 | } |
0602fbb2 PM |
75 | else { /* IRQ driven mode - handle key press and release in one go */ |
76 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | |
77 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | |
78 | ir_input_keydown(ir->dev, &ir->ir, data, data); | |
79 | ir_input_nokey(ir->dev, &ir->ir); | |
80 | } | |
81 | } | |
82 | ||
1da177e4 LT |
83 | return 0; |
84 | } | |
85 | ||
ac9cd976 RC |
86 | /* --------------------- Chip specific I2C key builders ----------------- */ |
87 | ||
88 | static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | |
89 | { | |
90 | unsigned char b; | |
91 | ||
92 | /* poll IR chip */ | |
93 | if (1 != i2c_master_recv(&ir->c,&b,1)) { | |
94 | i2cdprintk("read error\n"); | |
95 | return -EIO; | |
96 | } | |
97 | ||
98 | /* no button press */ | |
99 | if (b==0) | |
100 | return 0; | |
101 | ||
102 | /* repeating */ | |
103 | if (b & 0x80) | |
104 | return 1; | |
105 | ||
106 | *ir_key = b; | |
107 | *ir_raw = b; | |
108 | return 1; | |
109 | } | |
110 | ||
1da177e4 LT |
111 | void saa7134_input_irq(struct saa7134_dev *dev) |
112 | { | |
4ac97914 | 113 | struct saa7134_ir *ir = dev->remote; |
1da177e4 | 114 | |
4ac97914 | 115 | if (!ir->polling) |
1da177e4 LT |
116 | build_key(dev); |
117 | } | |
118 | ||
119 | static void saa7134_input_timer(unsigned long data) | |
120 | { | |
121 | struct saa7134_dev *dev = (struct saa7134_dev*)data; | |
122 | struct saa7134_ir *ir = dev->remote; | |
123 | unsigned long timeout; | |
124 | ||
125 | build_key(dev); | |
126 | timeout = jiffies + (ir->polling * HZ / 1000); | |
127 | mod_timer(&ir->timer, timeout); | |
128 | } | |
129 | ||
130 | int saa7134_input_init1(struct saa7134_dev *dev) | |
131 | { | |
132 | struct saa7134_ir *ir; | |
b7df3910 | 133 | struct input_dev *input_dev; |
1da177e4 LT |
134 | IR_KEYTAB_TYPE *ir_codes = NULL; |
135 | u32 mask_keycode = 0; | |
136 | u32 mask_keydown = 0; | |
137 | u32 mask_keyup = 0; | |
138 | int polling = 0; | |
139 | int ir_type = IR_TYPE_OTHER; | |
140 | ||
cb2444df | 141 | if (dev->has_remote != SAA7134_REMOTE_GPIO) |
1da177e4 LT |
142 | return -ENODEV; |
143 | if (disable_ir) | |
144 | return -ENODEV; | |
145 | ||
146 | /* detect & configure */ | |
147 | switch (dev->board) { | |
148 | case SAA7134_BOARD_FLYVIDEO2000: | |
149 | case SAA7134_BOARD_FLYVIDEO3000: | |
4ac97914 | 150 | case SAA7134_BOARD_FLYTVPLATINUM_FM: |
6af90ab5 | 151 | case SAA7134_BOARD_FLYTVPLATINUM_MINI2: |
4c0f631e | 152 | ir_codes = ir_codes_flyvideo; |
1da177e4 LT |
153 | mask_keycode = 0xEC00000; |
154 | mask_keydown = 0x0040000; | |
155 | break; | |
156 | case SAA7134_BOARD_CINERGY400: | |
157 | case SAA7134_BOARD_CINERGY600: | |
158 | case SAA7134_BOARD_CINERGY600_MK3: | |
4c0f631e | 159 | ir_codes = ir_codes_cinergy; |
1da177e4 LT |
160 | mask_keycode = 0x00003f; |
161 | mask_keyup = 0x040000; | |
162 | break; | |
163 | case SAA7134_BOARD_ECS_TVP3XP: | |
164 | case SAA7134_BOARD_ECS_TVP3XP_4CB5: | |
4c0f631e | 165 | ir_codes = ir_codes_eztv; |
330a115a MCC |
166 | mask_keycode = 0x00017c; |
167 | mask_keyup = 0x000002; | |
1da177e4 | 168 | polling = 50; // ms |
330a115a MCC |
169 | break; |
170 | case SAA7134_BOARD_KWORLD_XPERT: | |
1da177e4 | 171 | case SAA7134_BOARD_AVACSSMARTTV: |
b639f9d2 | 172 | ir_codes = ir_codes_pixelview; |
1da177e4 LT |
173 | mask_keycode = 0x00001F; |
174 | mask_keyup = 0x000020; | |
175 | polling = 50; // ms | |
176 | break; | |
177 | case SAA7134_BOARD_MD2819: | |
ac19ecc6 | 178 | case SAA7134_BOARD_KWORLD_VSTREAM_XPERT: |
1da177e4 LT |
179 | case SAA7134_BOARD_AVERMEDIA_305: |
180 | case SAA7134_BOARD_AVERMEDIA_307: | |
ac19ecc6 MCC |
181 | case SAA7134_BOARD_AVERMEDIA_STUDIO_305: |
182 | case SAA7134_BOARD_AVERMEDIA_STUDIO_307: | |
183 | case SAA7134_BOARD_AVERMEDIA_GO_007_FM: | |
b639f9d2 | 184 | ir_codes = ir_codes_avermedia; |
1da177e4 LT |
185 | mask_keycode = 0x0007C8; |
186 | mask_keydown = 0x000010; | |
187 | polling = 50; // ms | |
188 | /* Set GPIO pin2 to high to enable the IR controller */ | |
189 | saa_setb(SAA7134_GPIO_GPMODE0, 0x4); | |
190 | saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4); | |
191 | break; | |
4ac97914 | 192 | case SAA7134_BOARD_KWORLD_TERMINATOR: |
b639f9d2 | 193 | ir_codes = ir_codes_pixelview; |
dc2286cf JW |
194 | mask_keycode = 0x00001f; |
195 | mask_keyup = 0x000060; | |
196 | polling = 50; // ms | |
197 | break; | |
ac19ecc6 MCC |
198 | case SAA7134_BOARD_MANLI_MTV001: |
199 | case SAA7134_BOARD_MANLI_MTV002: | |
a8ff417e | 200 | case SAA7134_BOARD_BEHOLD_409FM: |
4c0f631e | 201 | ir_codes = ir_codes_manli; |
ac19ecc6 MCC |
202 | mask_keycode = 0x001f00; |
203 | mask_keyup = 0x004000; | |
ac19ecc6 MCC |
204 | polling = 50; // ms |
205 | break; | |
17ce1ff9 | 206 | case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS: |
4c0f631e | 207 | ir_codes = ir_codes_pctv_sedna; |
c3d93192 PM |
208 | mask_keycode = 0x001f00; |
209 | mask_keyup = 0x004000; | |
210 | polling = 50; // ms | |
211 | break; | |
4ac97914 | 212 | case SAA7134_BOARD_GOTVIEW_7135: |
4c0f631e | 213 | ir_codes = ir_codes_gotview7135; |
6b961440 NS |
214 | mask_keycode = 0x0003EC; |
215 | mask_keyup = 0x008000; | |
216 | mask_keydown = 0x000010; | |
217 | polling = 50; // ms | |
218 | break; | |
1da177e4 | 219 | case SAA7134_BOARD_VIDEOMATE_TV_PVR: |
2a9a9a84 | 220 | case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS: |
330a115a | 221 | case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII: |
4c0f631e | 222 | ir_codes = ir_codes_videomate_tv_pvr; |
1da177e4 LT |
223 | mask_keycode = 0x00003F; |
224 | mask_keyup = 0x400000; | |
225 | polling = 50; // ms | |
226 | break; | |
4ac97914 MCC |
227 | case SAA7134_BOARD_VIDEOMATE_DVBT_300: |
228 | case SAA7134_BOARD_VIDEOMATE_DVBT_200: | |
4c0f631e | 229 | ir_codes = ir_codes_videomate_tv_pvr; |
fea095fe NS |
230 | mask_keycode = 0x003F00; |
231 | mask_keyup = 0x040000; | |
232 | break; | |
3d8466ec | 233 | case SAA7134_BOARD_FLYDVBT_LR301: |
a8029170 | 234 | case SAA7134_BOARD_FLYDVBTDUO: |
3d8466ec GG |
235 | ir_codes = ir_codes_flydvb; |
236 | mask_keycode = 0x0001F00; | |
237 | mask_keydown = 0x0040000; | |
238 | break; | |
1da177e4 LT |
239 | } |
240 | if (NULL == ir_codes) { | |
241 | printk("%s: Oops: IR config error [card=%d]\n", | |
242 | dev->name, dev->board); | |
243 | return -ENODEV; | |
244 | } | |
245 | ||
b7df3910 DT |
246 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); |
247 | input_dev = input_allocate_device(); | |
248 | if (!ir || !input_dev) { | |
249 | kfree(ir); | |
250 | input_free_device(input_dev); | |
1da177e4 | 251 | return -ENOMEM; |
b7df3910 | 252 | } |
1da177e4 | 253 | |
d271d1c2 DT |
254 | ir->dev = input_dev; |
255 | ||
1da177e4 LT |
256 | /* init hardware-specific stuff */ |
257 | ir->mask_keycode = mask_keycode; | |
258 | ir->mask_keydown = mask_keydown; | |
259 | ir->mask_keyup = mask_keyup; | |
4ac97914 | 260 | ir->polling = polling; |
1da177e4 LT |
261 | |
262 | /* init input device */ | |
263 | snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)", | |
264 | saa7134_boards[dev->board].name); | |
265 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", | |
266 | pci_name(dev->pci)); | |
267 | ||
b7df3910 DT |
268 | ir_input_init(input_dev, &ir->ir, ir_type, ir_codes); |
269 | input_dev->name = ir->name; | |
270 | input_dev->phys = ir->phys; | |
271 | input_dev->id.bustype = BUS_PCI; | |
272 | input_dev->id.version = 1; | |
1da177e4 | 273 | if (dev->pci->subsystem_vendor) { |
b7df3910 DT |
274 | input_dev->id.vendor = dev->pci->subsystem_vendor; |
275 | input_dev->id.product = dev->pci->subsystem_device; | |
1da177e4 | 276 | } else { |
b7df3910 DT |
277 | input_dev->id.vendor = dev->pci->vendor; |
278 | input_dev->id.product = dev->pci->device; | |
1da177e4 | 279 | } |
b7df3910 | 280 | input_dev->cdev.dev = &dev->pci->dev; |
1da177e4 LT |
281 | |
282 | /* all done */ | |
283 | dev->remote = ir; | |
284 | if (ir->polling) { | |
285 | init_timer(&ir->timer); | |
286 | ir->timer.function = saa7134_input_timer; | |
287 | ir->timer.data = (unsigned long)dev; | |
288 | ir->timer.expires = jiffies + HZ; | |
289 | add_timer(&ir->timer); | |
290 | } | |
291 | ||
b7df3910 | 292 | input_register_device(ir->dev); |
1da177e4 LT |
293 | return 0; |
294 | } | |
295 | ||
296 | void saa7134_input_fini(struct saa7134_dev *dev) | |
297 | { | |
298 | if (NULL == dev->remote) | |
299 | return; | |
300 | ||
1da177e4 LT |
301 | if (dev->remote->polling) |
302 | del_timer_sync(&dev->remote->timer); | |
b7df3910 | 303 | input_unregister_device(dev->remote->dev); |
1da177e4 LT |
304 | kfree(dev->remote); |
305 | dev->remote = NULL; | |
306 | } | |
307 | ||
ac9cd976 RC |
308 | void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir) |
309 | { | |
310 | if (disable_ir) { | |
cb2444df | 311 | dprintk("Found supported i2c remote, but IR has been disabled\n"); |
ac9cd976 RC |
312 | ir->get_key=NULL; |
313 | return; | |
314 | } | |
315 | ||
316 | switch (dev->board) { | |
317 | case SAA7134_BOARD_PINNACLE_PCTV_110i: | |
318 | snprintf(ir->c.name, sizeof(ir->c.name), "Pinnacle PCTV"); | |
319 | ir->get_key = get_key_pinnacle; | |
320 | ir->ir_codes = ir_codes_pinnacle; | |
321 | break; | |
322 | case SAA7134_BOARD_UPMOST_PURPLE_TV: | |
323 | snprintf(ir->c.name, sizeof(ir->c.name), "Purple TV"); | |
324 | ir->get_key = get_key_purpletv; | |
325 | ir->ir_codes = ir_codes_purpletv; | |
326 | break; | |
327 | default: | |
328 | dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board); | |
329 | break; | |
330 | } | |
331 | ||
332 | } | |
1da177e4 LT |
333 | /* ---------------------------------------------------------------------- |
334 | * Local variables: | |
335 | * c-basic-offset: 8 | |
336 | * End: | |
337 | */ |