31
32
static int ir_debug;
32
33
module_param(ir_debug, int, 0644);
33
static int repeat_delay = 500;
34
module_param(repeat_delay, int, 0644);
35
static int repeat_period = 33;
36
module_param(repeat_period, int, 0644);
38
35
static int ir_rc5_remote_gap = 885;
39
36
module_param(ir_rc5_remote_gap, int, 0644);
40
static int ir_rc5_key_timeout = 200;
41
module_param(ir_rc5_key_timeout, int, 0644);
44
39
#define dprintk(arg...) do { \
71
68
(gpio & ir->mask_keydown) ? " down" : "",
72
69
(gpio & ir->mask_keyup) ? " up" : "");
74
if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
75
(ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
76
ir_input_keydown(ir->dev,&ir->ir,data,data);
71
if ((ir->mask_keydown && (gpio & ir->mask_keydown)) ||
72
(ir->mask_keyup && !(gpio & ir->mask_keyup))) {
73
rc_keydown_notimeout(ir->dev, data, 0);
78
75
/* HACK: Probably, ir->mask_keydown is missing
80
77
if (btv->c.type == BTTV_BOARD_WINFAST2000)
81
ir_input_keydown(ir->dev, &ir->ir, data, data);
78
rc_keydown_notimeout(ir->dev, data, 0);
83
ir_input_nokey(ir->dev,&ir->ir);
88
84
static void ir_enltv_handle_key(struct bttv *btv)
90
struct card_ir *ir = btv->remote;
86
struct bttv_ir *ir = btv->remote;
91
87
u32 gpio, data, keyup;
93
89
/* read gpio value */
116
112
(gpio & ir->mask_keyup) ? " up" : "down");
119
ir_input_nokey(ir->dev, &ir->ir);
121
ir_input_keydown(ir->dev, &ir->ir, data, data);
117
rc_keydown_notimeout(ir->dev, data, 0);
124
120
ir->last_gpio = data | keyup;
123
static int bttv_rc5_irq(struct bttv *btv);
127
125
void bttv_input_irq(struct bttv *btv)
129
struct card_ir *ir = btv->remote;
127
struct bttv_ir *ir = btv->remote;
131
else if (!ir->polling)
132
132
ir_handle_key(btv);
135
135
static void bttv_input_timer(unsigned long data)
137
137
struct bttv *btv = (struct bttv*)data;
138
struct card_ir *ir = btv->remote;
138
struct bttv_ir *ir = btv->remote;
140
140
if (btv->c.type == BTTV_BOARD_ENLTV_FM_2)
141
141
ir_enltv_handle_key(btv);
144
144
mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
147
/* ---------------------------------------------------------------*/
148
* FIXME: Nebula digi uses the legacy way to decode RC5, instead of relying
149
* on the rc-core way. As we need to be sure that both IRQ transitions are
150
* properly triggered, Better to touch it only with this hardware for
154
#define RC5_START(x) (((x) >> 12) & 3)
155
#define RC5_TOGGLE(x) (((x) >> 11) & 1)
156
#define RC5_ADDR(x) (((x) >> 6) & 31)
157
#define RC5_INSTR(x) ((x) & 63)
159
/* decode raw bit pattern to RC5 code */
160
static u32 bttv_rc5_decode(unsigned int code)
162
unsigned int org_code = code;
164
unsigned int rc5 = 0;
167
for (i = 0; i < 14; ++i) {
180
dprintk(KERN_INFO DEVNAME ":rc5_decode(%x) bad code\n",
185
dprintk(KERN_INFO DEVNAME ":"
186
"code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
187
"instr=%x\n", rc5, org_code, RC5_START(rc5),
188
RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
192
static void bttv_rc5_timer_end(unsigned long data)
194
struct bttv_ir *ir = (struct bttv_ir *)data;
196
unsigned long current_jiffies;
201
current_jiffies = jiffies;
202
do_gettimeofday(&tv);
204
/* avoid overflow with gap >1s */
205
if (tv.tv_sec - ir->base_time.tv_sec > 1) {
208
gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
209
tv.tv_usec - ir->base_time.tv_usec;
212
/* signal we're ready to start a new code */
215
/* Allow some timer jitter (RC5 is ~24ms anyway so this is ok) */
217
dprintk(KERN_INFO DEVNAME ": spurious timer_end\n");
221
if (ir->last_bit < 20) {
222
/* ignore spurious codes (caused by light/other remotes) */
223
dprintk(KERN_INFO DEVNAME ": short code: %x\n", ir->code);
225
ir->code = (ir->code << ir->shift_by) | 1;
226
rc5 = bttv_rc5_decode(ir->code);
228
/* two start bits? */
229
if (RC5_START(rc5) != ir->start) {
230
printk(KERN_INFO DEVNAME ":"
231
" rc5 start bits invalid: %u\n", RC5_START(rc5));
234
} else if (RC5_ADDR(rc5) == ir->addr) {
235
u32 toggle = RC5_TOGGLE(rc5);
236
u32 instr = RC5_INSTR(rc5);
239
rc_keydown(ir->dev, instr, toggle);
240
dprintk(KERN_INFO DEVNAME ":"
241
" instruction %x, toggle %x\n",
149
247
static int bttv_rc5_irq(struct bttv *btv)
151
struct card_ir *ir = btv->remote;
249
struct bttv_ir *ir = btv->remote;
152
250
struct timeval tv;
157
255
/* read gpio port */
158
256
gpio = bttv_gpio_read(&btv->c);
258
/* get time of bit */
259
current_jiffies = jiffies;
260
do_gettimeofday(&tv);
262
/* avoid overflow with gap >1s */
263
if (tv.tv_sec - ir->base_time.tv_sec > 1) {
266
gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
267
tv.tv_usec - ir->base_time.tv_usec;
270
dprintk(KERN_INFO DEVNAME ": RC5 IRQ: gap %d us for %s\n",
271
gap, (gpio & 0x20) ? "mark" : "space");
160
273
/* remote IRQ? */
161
274
if (!(gpio & 0x20))
164
/* get time of bit */
165
current_jiffies = jiffies;
166
do_gettimeofday(&tv);
168
/* avoid overflow with gap >1s */
169
if (tv.tv_sec - ir->base_time.tv_sec > 1) {
172
gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
173
tv.tv_usec - ir->base_time.tv_usec;
176
277
/* active code => add bit */
177
278
if (ir->active) {
178
279
/* only if in the code (otherwise spurious IRQ or timer
209
309
add_timer(&ir->timer);
210
310
} else if (ir->rc5_gpio) {
211
311
/* set timer_end for code completion */
212
init_timer(&ir->timer_end);
213
ir->timer_end.function = ir_rc5_timer_end;
214
ir->timer_end.data = (unsigned long)ir;
216
init_timer(&ir->timer_keyup);
217
ir->timer_keyup.function = ir_rc5_timer_keyup;
218
ir->timer_keyup.data = (unsigned long)ir;
312
setup_timer(&ir->timer, bttv_rc5_timer_end, (unsigned long)ir);
219
313
ir->shift_by = 1;
222
ir->rc5_key_timeout = ir_rc5_key_timeout;
223
316
ir->rc5_remote_gap = ir_rc5_remote_gap;
227
320
static void bttv_ir_stop(struct bttv *btv)
229
if (btv->remote->polling) {
322
if (btv->remote->polling)
230
323
del_timer_sync(&btv->remote->timer);
231
flush_scheduled_work();
234
325
if (btv->remote->rc5_gpio) {
237
del_timer_sync(&btv->remote->timer_end);
238
flush_scheduled_work();
328
del_timer_sync(&btv->remote->timer);
240
330
gpio = bttv_gpio_read(&btv->c);
241
331
bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
336
* Get_key functions used by I2C remotes
339
static int get_key_pv951(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
344
if (1 != i2c_master_recv(ir->c, &b, 1)) {
345
dprintk(KERN_INFO DEVNAME ": read error\n");
352
dprintk(KERN_INFO DEVNAME ": key %02x\n", b);
356
* lirc_i2c maps the pv951 code as:
358
* cmd = bit_reverse (b)
359
* So, it seems that this device uses NEC extended
360
* I decided to not fix the table, due to two reasons:
361
* 1) Without the actual device, this is only a guess;
362
* 2) As the addr is not reported via I2C, nor can be changed,
363
* the device is bound to the vendor-provided RC.
371
/* Instantiate the I2C IR receiver device, if present */
372
void __devinit init_bttv_i2c_ir(struct bttv *btv)
374
const unsigned short addr_list[] = {
375
0x1a, 0x18, 0x64, 0x30, 0x71,
378
struct i2c_board_info info;
380
if (0 != btv->i2c_rc)
383
memset(&info, 0, sizeof(struct i2c_board_info));
384
memset(&btv->init_data, 0, sizeof(btv->init_data));
385
strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
387
switch (btv->c.type) {
388
case BTTV_BOARD_PV951:
389
btv->init_data.name = "PV951";
390
btv->init_data.get_key = get_key_pv951;
391
btv->init_data.ir_codes = RC_MAP_PV951;
396
* The external IR receiver is at i2c address 0x34 (0x35 for
397
* reads). Future Hauppauge cards will have an internal
398
* receiver at 0x30 (0x31 for reads). In theory, both can be
399
* fitted, and Hauppauge suggest an external overrides an
401
* That's why we probe 0x1a (~0x34) first. CB
404
i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list, NULL);
408
if (btv->init_data.name)
409
info.platform_data = &btv->init_data;
410
i2c_new_device(&btv->c.i2c_adap, &info);
415
int __devexit fini_bttv_i2c(struct bttv *btv)
417
if (0 != btv->i2c_rc)
420
return i2c_del_adapter(&btv->c.i2c_adap);
245
423
int bttv_input_init(struct bttv *btv)
248
struct ir_scancode_table *ir_codes = NULL;
249
struct input_dev *input_dev;
250
int ir_type = IR_TYPE_OTHER;
426
char *ir_codes = NULL;
251
428
int err = -ENOMEM;
253
430
if (!btv->has_remote)
256
433
ir = kzalloc(sizeof(*ir),GFP_KERNEL);
257
input_dev = input_allocate_device();
258
if (!ir || !input_dev)
434
rc = rc_allocate_device();
259
436
goto err_out_free;
261
438
/* detect & configure */
286
463
case BTTV_BOARD_PV_M4900:
287
464
case BTTV_BOARD_PV_BT878P_9B:
288
465
case BTTV_BOARD_PV_BT878P_PLUS:
289
ir_codes = &ir_codes_pixelview_table;
466
ir_codes = RC_MAP_PIXELVIEW;
290
467
ir->mask_keycode = 0x001f00;
291
468
ir->mask_keyup = 0x008000;
292
469
ir->polling = 50; // ms
295
472
case BTTV_BOARD_WINFAST2000:
296
ir_codes = &ir_codes_winfast_table;
473
ir_codes = RC_MAP_WINFAST;
297
474
ir->mask_keycode = 0x1f8;
299
476
case BTTV_BOARD_MAGICTVIEW061:
300
477
case BTTV_BOARD_MAGICTVIEW063:
301
ir_codes = &ir_codes_winfast_table;
478
ir_codes = RC_MAP_WINFAST;
302
479
ir->mask_keycode = 0x0008e000;
303
480
ir->mask_keydown = 0x00200000;
305
482
case BTTV_BOARD_APAC_VIEWCOMP:
306
ir_codes = &ir_codes_apac_viewcomp_table;
483
ir_codes = RC_MAP_APAC_VIEWCOMP;
307
484
ir->mask_keycode = 0x001f00;
308
485
ir->mask_keyup = 0x008000;
309
486
ir->polling = 50; // ms
311
488
case BTTV_BOARD_ASKEY_CPH03X:
312
489
case BTTV_BOARD_CONCEPTRONIC_CTVFMI2:
313
490
case BTTV_BOARD_CONTVFMI:
314
ir_codes = &ir_codes_pixelview_table;
491
ir_codes = RC_MAP_PIXELVIEW;
315
492
ir->mask_keycode = 0x001F00;
316
493
ir->mask_keyup = 0x006000;
317
494
ir->polling = 50; // ms
319
496
case BTTV_BOARD_NEBULA_DIGITV:
320
ir_codes = &ir_codes_nebula_table;
321
btv->custom_irq = bttv_rc5_irq;
497
ir_codes = RC_MAP_NEBULA;
324
500
case BTTV_BOARD_MACHTV_MAGICTV:
325
ir_codes = &ir_codes_apac_viewcomp_table;
501
ir_codes = RC_MAP_APAC_VIEWCOMP;
326
502
ir->mask_keycode = 0x001F00;
327
503
ir->mask_keyup = 0x004000;
328
504
ir->polling = 50; /* ms */
330
506
case BTTV_BOARD_KOZUMI_KTV_01C:
331
ir_codes = &ir_codes_pctv_sedna_table;
507
ir_codes = RC_MAP_PCTV_SEDNA;
332
508
ir->mask_keycode = 0x001f00;
333
509
ir->mask_keyup = 0x006000;
334
510
ir->polling = 50; /* ms */
336
512
case BTTV_BOARD_ENLTV_FM_2:
337
ir_codes = &ir_codes_encore_enltv2_table;
513
ir_codes = RC_MAP_ENCORE_ENLTV2;
338
514
ir->mask_keycode = 0x00fd00;
339
515
ir->mask_keyup = 0x000080;
340
516
ir->polling = 1; /* ms */
363
539
/* init input device */
366
542
snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
368
544
snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
369
545
pci_name(btv->c.pci));
371
ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
372
input_dev->name = ir->name;
373
input_dev->phys = ir->phys;
374
input_dev->id.bustype = BUS_PCI;
375
input_dev->id.version = 1;
547
rc->input_name = ir->name;
548
rc->input_phys = ir->phys;
549
rc->input_id.bustype = BUS_PCI;
550
rc->input_id.version = 1;
376
551
if (btv->c.pci->subsystem_vendor) {
377
input_dev->id.vendor = btv->c.pci->subsystem_vendor;
378
input_dev->id.product = btv->c.pci->subsystem_device;
552
rc->input_id.vendor = btv->c.pci->subsystem_vendor;
553
rc->input_id.product = btv->c.pci->subsystem_device;
380
input_dev->id.vendor = btv->c.pci->vendor;
381
input_dev->id.product = btv->c.pci->device;
555
rc->input_id.vendor = btv->c.pci->vendor;
556
rc->input_id.product = btv->c.pci->device;
383
input_dev->dev.parent = &btv->c.pci->dev;
558
rc->dev.parent = &btv->c.pci->dev;
559
rc->map_name = ir_codes;
560
rc->driver_name = MODULE_NAME;
385
562
btv->remote = ir;
386
563
bttv_ir_start(btv, ir);
389
err = input_register_device(btv->remote->dev);
566
err = rc_register_device(rc);
391
568
goto err_out_stop;
393
/* the remote isn't as bouncy as a keyboard */
394
ir->dev->rep[REP_DELAY] = repeat_delay;
395
ir->dev->rep[REP_PERIOD] = repeat_period;
400
573
bttv_ir_stop(btv);
401
574
btv->remote = NULL;
403
input_free_device(input_dev);