/*
+ * $Id: ir-kbd-i2c.c,v 1.10 2004/12/09 12:51:35 kraxel Exp $
+ *
* keyboard input driver for i2c IR remote controls
*
* Copyright (c) 2000-2003 Gerd Knorr <kraxel@bytesex.org>
[ 15 ] = KEY_SELECT, // SOURCE
[ 10 ] = KEY_KPPLUS, // +100
[ 20 ] = KEY_KPEQUAL, // SYNC
+ [ 28 ] = KEY_MEDIA, // PC/TV
+};
+
+static IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE] = {
+ [ 0x3 ] = KEY_POWER,
+ [ 0x6f ] = KEY_MUTE,
+ [ 0x10 ] = KEY_BACKSPACE, // Recall
+
+ [ 0x11 ] = KEY_KP0,
+ [ 0x4 ] = KEY_KP1,
+ [ 0x5 ] = KEY_KP2,
+ [ 0x6 ] = KEY_KP3,
+ [ 0x8 ] = KEY_KP4,
+ [ 0x9 ] = KEY_KP5,
+ [ 0xa ] = KEY_KP6,
+ [ 0xc ] = KEY_KP7,
+ [ 0xd ] = KEY_KP8,
+ [ 0xe ] = KEY_KP9,
+ [ 0x12 ] = KEY_KPDOT, // 100+
+
+ [ 0x7 ] = KEY_VOLUMEUP,
+ [ 0xb ] = KEY_VOLUMEDOWN,
+ [ 0x1a ] = KEY_KPPLUS,
+ [ 0x18 ] = KEY_KPMINUS,
+ [ 0x15 ] = KEY_UP,
+ [ 0x1d ] = KEY_DOWN,
+ [ 0xf ] = KEY_CHANNELUP,
+ [ 0x13 ] = KEY_CHANNELDOWN,
+ [ 0x48 ] = KEY_ZOOM,
+
+ [ 0x1b ] = KEY_VIDEO, // Video source
+#if 0
+ [ 0x1f ] = KEY_S, // Snapshot
+#endif
+ [ 0x49 ] = KEY_LANGUAGE, // MTS Select
+ [ 0x19 ] = KEY_SEARCH, // Auto Scan
+
+ [ 0x4b ] = KEY_RECORD,
+ [ 0x46 ] = KEY_PLAY,
+ [ 0x45 ] = KEY_PAUSE, // Pause
+ [ 0x44 ] = KEY_STOP,
+#if 0
+ [ 0x43 ] = KEY_T, // Time Shift
+ [ 0x47 ] = KEY_Y, // Time Shift OFF
+ [ 0x4a ] = KEY_O, // TOP
+ [ 0x17 ] = KEY_F, // SURF CH
+#endif
+ [ 0x40 ] = KEY_FORWARD, // Forward ?
+ [ 0x42 ] = KEY_REWIND, // Backward ?
+
};
struct IR;
/* ----------------------------------------------------------------------- */
-static inline int reverse(int data, int bits)
-{
- int i,c;
-
- for (c=0,i=0; i<bits; i++) {
- c |= (((data & (1<<i)) ? 1:0)) << (bits-1-i);
- }
- return c;
-}
-
static int get_key_haup(struct IR *ir, u32 *ir_key, u32 *ir_raw)
{
unsigned char buf[3];
static int get_key_pixelview(struct IR *ir, u32 *ir_key, u32 *ir_raw)
{
unsigned char b;
-
+
/* poll IR chip */
if (1 != i2c_master_recv(&ir->c,&b,1)) {
dprintk(1,"read error\n");
static int get_key_pv951(struct IR *ir, u32 *ir_key, u32 *ir_raw)
{
unsigned char b;
-
+
/* poll IR chip */
if (1 != i2c_master_recv(&ir->c,&b,1)) {
dprintk(1,"read error\n");
if (b==0xaa)
return 0;
dprintk(2,"key %02x\n", b);
-
+
*ir_key = b;
*ir_raw = b;
return 1;
static int get_key_knc1(struct IR *ir, u32 *ir_key, u32 *ir_raw)
{
unsigned char b;
-
+
/* poll IR chip */
if (1 != i2c_master_recv(&ir->c,&b,1)) {
dprintk(1,"read error\n");
return -EIO;
}
-
+
/* it seems that 0xFE indicates that a button is still hold
down, while 0xFF indicates that no button is hold
down. 0xFE sequences are sometimes interrupted by 0xFF */
-
+
dprintk(2,"key %02x\n", b);
-
+
if (b == 0xFF)
return 0;
-
+
if (b == 0xFE)
/* keep old data */
return 1;
-
+
*ir_key = b;
*ir_raw = b;
return 1;
}
+static int get_key_purpletv(struct IR *ir, u32 *ir_key, u32 *ir_raw)
+{
+ unsigned char b;
+
+ /* poll IR chip */
+ if (1 != i2c_master_recv(&ir->c,&b,1)) {
+ dprintk(1,"read error\n");
+ return -EIO;
+ }
+
+ /* no button press */
+ if (b==0)
+ return 0;
+
+ /* repeating */
+ if (b & 0x80)
+ return 1;
+
+ *ir_key = b;
+ *ir_raw = b;
+ return 1;
+}
/* ----------------------------------------------------------------------- */
static void ir_key_poll(struct IR *ir)
{
- u32 ir_key, ir_raw;
+ static u32 ir_key, ir_raw;
int rc;
dprintk(2,"ir_poll_key\n");
.detach_client = ir_detach,
};
-static struct i2c_client client_template =
+static struct i2c_client client_template =
{
I2C_DEVNAME("unset"),
.driver = &driver
char *name;
int ir_type;
struct IR *ir;
-
+
if (NULL == (ir = kmalloc(sizeof(struct IR),GFP_KERNEL)))
return -ENOMEM;
memset(ir,0,sizeof(*ir));
ir_type = IR_TYPE_OTHER;
ir_codes = ir_codes_empty;
break;
+ case 0x7a:
+ name = "Purple TV";
+ ir->get_key = get_key_purpletv;
+ ir_type = IR_TYPE_OTHER;
+ ir_codes = ir_codes_purpletv;
+ break;
default:
/* shouldn't happen */
printk(DEVNAME ": Huh? unknown i2c address (0x%02x)?\n",addr);
ir->input.name = ir->c.name;
ir->input.phys = ir->phys;
input_register_device(&ir->input);
- printk(DEVNAME ": %s detected at %s\n",ir->input.name,ir->input.phys);
-
+ printk(DEVNAME ": %s detected at %s [%s]\n",
+ ir->input.name,ir->input.phys,adap->name);
+
/* start polling via eventd */
INIT_WORK(&ir->work, ir_work, ir);
init_timer(&ir->timer);
ir->timer.function = ir_timer;
ir->timer.data = (unsigned long)ir;
schedule_work(&ir->work);
-
+
return 0;
}
static int ir_probe(struct i2c_adapter *adap)
{
-
+
/* The external IR receiver is at i2c address 0x34 (0x35 for
reads). Future Hauppauge cards will have an internal
receiver at 0x30 (0x31 for reads). In theory, both can be
fitted, and Hauppauge suggest an external overrides an
- internal.
-
- That's why we probe 0x1a (~0x34) first. CB
+ internal.
+
+ That's why we probe 0x1a (~0x34) first. CB
*/
-
- static const int probe[] = { 0x1a, 0x18, 0x4b, 0x64, 0x30, -1};
+
+ static const int probe_bttv[] = { 0x1a, 0x18, 0x4b, 0x64, 0x30, -1};
+ static const int probe_saa7134[] = { 0x7a, -1 };
+ const int *probe = NULL;
struct i2c_client c; char buf; int i,rc;
- if (adap->id == (I2C_ALGO_BIT | I2C_HW_B_BT848)) {
- memset(&c,0,sizeof(c));
- c.adapter = adap;
- for (i = 0; -1 != probe[i]; i++) {
- c.addr = probe[i];
- rc = i2c_master_recv(&c,&buf,1);
- dprintk(1,"probe 0x%02x @ %s: %s\n",
- probe[i], adap->name,
- (1 == rc) ? "yes" : "no");
- if (1 == rc) {
- ir_attach(adap,probe[i],0,0);
- break;
- }
+ switch (adap->id) {
+ case I2C_ALGO_BIT | I2C_HW_B_BT848:
+ probe = probe_bttv;
+ break;
+ case I2C_ALGO_SAA7134:
+ probe = probe_saa7134;
+ break;
+ }
+ if (NULL == probe)
+ return 0;
+
+ memset(&c,0,sizeof(c));
+ c.adapter = adap;
+ for (i = 0; -1 != probe[i]; i++) {
+ c.addr = probe[i];
+ rc = i2c_master_recv(&c,&buf,1);
+ dprintk(1,"probe 0x%02x @ %s: %s\n",
+ probe[i], adap->name,
+ (1 == rc) ? "yes" : "no");
+ if (1 == rc) {
+ ir_attach(adap,probe[i],0,0);
+ break;
}
}
return 0;
MODULE_DESCRIPTION("input driver for i2c IR remote controls");
MODULE_LICENSE("GPL");
-static int ir_init(void)
+static int __init ir_init(void)
{
- i2c_add_driver(&driver);
- return 0;
+ return i2c_add_driver(&driver);
}
-static void ir_fini(void)
+static void __exit ir_fini(void)
{
i2c_del_driver(&driver);
}
git://git.onelab.eu / linux-2.6.git / blobdiff