#include <media/ir-common.h>
#include <media/ir-kbd-i2c.h>
-/* Mark Phalan <phalanm@o2.ie> */
-static IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE] = {
- [ 0 ] = KEY_KP0,
- [ 1 ] = KEY_KP1,
- [ 2 ] = KEY_KP2,
- [ 3 ] = KEY_KP3,
- [ 4 ] = KEY_KP4,
- [ 5 ] = KEY_KP5,
- [ 6 ] = KEY_KP6,
- [ 7 ] = KEY_KP7,
- [ 8 ] = KEY_KP8,
- [ 9 ] = KEY_KP9,
-
- [ 18 ] = KEY_POWER,
- [ 16 ] = KEY_MUTE,
- [ 31 ] = KEY_VOLUMEDOWN,
- [ 27 ] = KEY_VOLUMEUP,
- [ 26 ] = KEY_CHANNELUP,
- [ 30 ] = KEY_CHANNELDOWN,
- [ 14 ] = KEY_PAGEUP,
- [ 29 ] = KEY_PAGEDOWN,
- [ 19 ] = KEY_SOUND,
-
- [ 24 ] = KEY_KPPLUSMINUS, /* CH +/- */
- [ 22 ] = KEY_SUBTITLE, /* CC */
- [ 13 ] = KEY_TEXT, /* TTX */
- [ 11 ] = KEY_TV, /* AIR/CBL */
- [ 17 ] = KEY_PC, /* PC/TV */
- [ 23 ] = KEY_OK, /* CH RTN */
- [ 25 ] = KEY_MODE, /* FUNC */
- [ 12 ] = KEY_SEARCH, /* AUTOSCAN */
-
- /* Not sure what to do with these ones! */
- [ 15 ] = KEY_SELECT, /* SOURCE */
- [ 10 ] = KEY_KPPLUS, /* +100 */
- [ 20 ] = KEY_KPEQUAL, /* SYNC */
- [ 28 ] = KEY_MEDIA, /* PC/TV */
-};
-
/* ----------------------------------------------------------------------- */
/* insmod parameters */
static int debug;
module_param(debug, int, 0644); /* debug level (0,1,2) */
+static int hauppauge = 0;
+module_param(hauppauge, int, 0644); /* Choose Hauppauge remote */
+MODULE_PARM_DESC(hauppauge, "Specify Hauppauge remote: 0=black, 1=grey (defaults to 0)");
+
+
#define DEVNAME "ir-kbd-i2c"
#define dprintk(level, fmt, arg...) if (debug >= level) \
printk(KERN_DEBUG DEVNAME ": " fmt , ## arg)
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);
}
int ir_type;
struct IR_i2c *ir;
struct input_dev *input_dev;
+ int err;
ir = kzalloc(sizeof(struct IR_i2c),GFP_KERNEL);
input_dev = input_allocate_device();
if (!ir || !input_dev) {
- input_free_device(input_dev);
- kfree(ir);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto err_out_free;
}
- memset(ir,0,sizeof(*ir));
ir->c = client_template;
ir->input = input_dev;
name = "Hauppauge";
ir->get_key = get_key_haup;
ir_type = IR_TYPE_RC5;
- ir_codes = ir_codes_rc5_tv;
+ if (hauppauge == 1) {
+ ir_codes = ir_codes_hauppauge_new;
+ } else {
+ ir_codes = ir_codes_rc5_tv;
+ }
break;
case 0x30:
name = "KNC One";
break;
case 0x7a:
case 0x47:
+ case 0x71:
/* Handled by saa7134-input */
name = "SAA713x remote";
ir_type = IR_TYPE_OTHER;
break;
default:
/* shouldn't happen */
- printk(DEVNAME ": Huh? unknown i2c address (0x%02x)?\n",addr);
- kfree(ir);
- return -1;
+ printk(DEVNAME ": Huh? unknown i2c address (0x%02x)?\n", addr);
+ err = -ENODEV;
+ goto err_out_free;
}
/* Sets name */
snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (%s)", name);
- ir->ir_codes=ir_codes;
+ ir->ir_codes = ir_codes;
/* register i2c device
* At device register, IR codes may be changed to be
* board dependent.
*/
- i2c_attach_client(&ir->c);
+ err = i2c_attach_client(&ir->c);
+ if (err)
+ goto err_out_free;
/* If IR not supported or disabled, unregisters driver */
if (ir->get_key == NULL) {
- i2c_detach_client(&ir->c);
- kfree(ir);
- return -1;
+ err = -ENODEV;
+ goto err_out_detach;
}
/* Phys addr can only be set after attaching (for ir->c.dev.bus_id) */
ir->c.dev.bus_id);
/* init + register input device */
- ir_input_init(input_dev,&ir->ir,ir_type,ir->ir_codes);
+ ir_input_init(input_dev, &ir->ir, ir_type, ir->ir_codes);
input_dev->id.bustype = BUS_I2C;
input_dev->name = ir->c.name;
input_dev->phys = ir->phys;
- /* register event device */
- input_register_device(ir->input);
+ err = input_register_device(ir->input);
+ if (err)
+ goto err_out_detach;
+
printk(DEVNAME ": %s detected at %s [%s]\n",
- ir->input->name,ir->input->phys,adap->name);
+ 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;
schedule_work(&ir->work);
return 0;
+
+ err_out_detach:
+ i2c_detach_client(&ir->c);
+ err_out_free:
+ input_free_device(input_dev);
+ kfree(ir);
+ return err;
}
static int ir_detach(struct i2c_client *client)
struct IR_i2c *ir = i2c_get_clientdata(client);
/* kill outstanding polls */
- del_timer(&ir->timer);
+ del_timer_sync(&ir->timer);
flush_scheduled_work();
/* unregister devices */
*/
static const int probe_bttv[] = { 0x1a, 0x18, 0x4b, 0x64, 0x30, -1};
- static const int probe_saa7134[] = { 0x7a, 0x47, -1 };
+ static const int probe_saa7134[] = { 0x7a, 0x47, 0x71, -1 };
static const int probe_em28XX[] = { 0x30, 0x47, -1 };
const int *probe = NULL;
struct i2c_client c;
case I2C_HW_B_BT848:
probe = probe_bttv;
break;
+ case I2C_HW_B_CX2341X:
+ probe = probe_bttv;
+ break;
case I2C_HW_SAA7134:
probe = probe_saa7134;
break;