static int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
unsigned char buf[3];
- int start, toggle, dev, code;
+ int start, range, toggle, dev, code;
/* poll IR chip */
if (3 != i2c_master_recv(&ir->c,buf,3))
return -EIO;
/* split rc5 data block ... */
- start = (buf[0] >> 6) & 3;
+ start = (buf[0] >> 7) & 1;
+ range = (buf[0] >> 6) & 1;
toggle = (buf[0] >> 5) & 1;
dev = buf[0] & 0x1f;
code = (buf[1] >> 2) & 0x3f;
- if (3 != start)
+ /* rc5 has two start bits
+ * the first bit must be one
+ * the second bit defines the command range (1 = 0-63, 0 = 64 - 127)
+ */
+ if (!start)
/* no key pressed */
return 0;
- dprintk(1,"ir hauppauge (rc5): s%d t%d dev=%d code=%d\n",
- start, toggle, dev, code);
+
+ if (!range)
+ code += 64;
+
+ dprintk(1,"ir hauppauge (rc5): s%d r%d t%d dev=%d code=%d\n",
+ start, range, toggle, dev, code);
/* return key */
*ir_key = code;
return 1;
}
-/* The new pinnacle PCTV remote (with the colored buttons)
+/* Common (grey or coloured) pinnacle PCTV remote handling
*
- * Ricardo Cerqueira <v4l@cerqueira.org>
*/
-
-int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
+ int parity_offset, int marker, int code_modulo)
{
unsigned char b[4];
unsigned int start = 0,parity = 0,code = 0;
}
for (start = 0; start<4; start++) {
- if (b[start] == 0x80) {
- code=b[(start+3)%4];
- parity=b[(start+2)%4];
+ if (b[start] == marker) {
+ code=b[(start+parity_offset+1)%4];
+ parity=b[(start+parity_offset)%4];
}
}
if (ir->old == parity)
return 0;
-
ir->old = parity;
- /* Reduce code value to fit inside IR_KEYTAB_SIZE
- *
- * this is the only value that results in 42 unique
- * codes < 128
- */
+ /* drop special codes when a key is held down a long time for the grey controller
+ In this case, the second bit of the code is asserted */
+ if (marker == 0xfe && (code & 0x40))
+ return 0;
- code %= 0x88;
+ code %= code_modulo;
*ir_raw = code;
*ir_key = code;
return 1;
}
-EXPORT_SYMBOL_GPL(get_key_pinnacle);
+/* The grey pinnacle PCTV remote
+ *
+ * There are one issue with this remote:
+ * - I2c packet does not change when the same key is pressed quickly. The workaround
+ * is to hold down each key for about half a second, so that another code is generated
+ * in the i2c packet, and the function can distinguish key presses.
+ *
+ * Sylvain Pasche <sylvain.pasche@gmail.com>
+ */
+int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+
+ return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
+}
+
+EXPORT_SYMBOL_GPL(get_key_pinnacle_grey);
+
+
+/* The new pinnacle PCTV remote (with the colored buttons)
+ *
+ * Ricardo Cerqueira <v4l@cerqueira.org>
+ */
+int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
+ *
+ * this is the only value that results in 42 unique
+ * codes < 128
+ */
+
+ return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
+}
+
+EXPORT_SYMBOL_GPL(get_key_pinnacle_color);
/* ----------------------------------------------------------------------- */
schedule_work(&ir->work);
}
-static void ir_work(void *data)
+static void ir_work(struct work_struct *work)
{
- struct IR_i2c *ir = data;
+ struct IR_i2c *ir = container_of(work, struct IR_i2c, work);
ir_key_poll(ir);
mod_timer(&ir->timer, jiffies+HZ/10);
}
ir->input->name,ir->input->phys,adap->name);
/* start polling via eventd */
- INIT_WORK(&ir->work, ir_work, ir);
+ INIT_WORK(&ir->work, ir_work);
init_timer(&ir->timer);
ir->timer.function = ir_timer;
ir->timer.data = (unsigned long)ir;
*/
static const int probe_bttv[] = { 0x1a, 0x18, 0x4b, 0x64, 0x30, -1};
- static const int probe_cx2341x[] = { 0x18, 0x7a, -1};
static const int probe_saa7134[] = { 0x7a, 0x47, -1 };
static const int probe_em28XX[] = { 0x30, 0x47, -1 };
const int *probe = NULL;
probe = probe_bttv;
break;
case I2C_HW_B_CX2341X:
- probe = probe_cx2341x;
+ probe = probe_bttv;
break;
case I2C_HW_SAA7134:
probe = probe_saa7134;