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authorDave Kleikamp <shaggy@austin.ibm.com>2006-01-24 23:34:47 +0300
committerDave Kleikamp <shaggy@austin.ibm.com>2006-01-24 23:34:47 +0300
commit0a0fc0ddbe732779366ab6b1b879f62195e65967 (patch)
tree7b42490a676cf39ae0691b6859ecf7fd410f229b /drivers/media/video/ir-kbd-i2c.c
parent4d5dbd0945d9e0833dd7964a3d6ee33157f7cc7a (diff)
parent3ee68c4af3fd7228c1be63254b9f884614f9ebb2 (diff)
downloadlinux-0a0fc0ddbe732779366ab6b1b879f62195e65967.tar.xz
Merge with /home/shaggy/git/linus-clean/
Diffstat (limited to 'drivers/media/video/ir-kbd-i2c.c')
-rw-r--r--drivers/media/video/ir-kbd-i2c.c84
1 files changed, 71 insertions, 13 deletions
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index 0085567a1421..58b0e6982822 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -40,6 +40,7 @@
#include <linux/i2c.h>
#include <linux/workqueue.h>
#include <asm/semaphore.h>
+
#include <media/ir-common.h>
#include <media/ir-kbd-i2c.h>
@@ -183,6 +184,58 @@ static int get_key_knc1(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
return 1;
}
+/* The new pinnacle PCTV remote (with the colored buttons)
+ *
+ * Ricardo Cerqueira <v4l@cerqueira.org>
+ */
+
+int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ unsigned char b[4];
+ unsigned int start = 0,parity = 0,code = 0;
+
+ /* poll IR chip */
+ if (4 != i2c_master_recv(&ir->c,b,4)) {
+ dprintk(2,"read error\n");
+ return -EIO;
+ }
+
+ for (start = 0; start<4; start++) {
+ if (b[start] == 0x80) {
+ code=b[(start+3)%4];
+ parity=b[(start+2)%4];
+ }
+ }
+
+ /* Empty Request */
+ if (parity==0)
+ return 0;
+
+ /* Repeating... */
+ 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
+ */
+
+ code %= 0x88;
+
+ *ir_raw = code;
+ *ir_key = code;
+
+ dprintk(1,"Pinnacle PCTV key %02x\n", code);
+
+ return 1;
+}
+
+EXPORT_SYMBOL_GPL(get_key_pinnacle);
+
/* ----------------------------------------------------------------------- */
static void ir_key_poll(struct IR_i2c *ir)
@@ -225,9 +278,10 @@ static int ir_detach(struct i2c_client *client);
static int ir_probe(struct i2c_adapter *adap);
static struct i2c_driver driver = {
- .name = "ir remote kbd driver",
- .id = I2C_DRIVERID_EXP3, /* FIXME */
- .flags = I2C_DF_NOTIFY,
+ .driver = {
+ .name = "ir-kbd-i2c",
+ },
+ .id = I2C_DRIVERID_INFRARED,
.attach_adapter = ir_probe,
.detach_client = ir_detach,
};
@@ -244,24 +298,26 @@ static int ir_attach(struct i2c_adapter *adap, int addr,
IR_KEYTAB_TYPE *ir_codes = NULL;
char *name;
int ir_type;
- struct IR_i2c *ir;
+ struct IR_i2c *ir;
struct input_dev *input_dev;
- ir = kzalloc(sizeof(struct IR_i2c), GFP_KERNEL);
+ ir = kzalloc(sizeof(struct IR_i2c),GFP_KERNEL);
input_dev = input_allocate_device();
if (!ir || !input_dev) {
- kfree(ir);
input_free_device(input_dev);
- return -ENOMEM;
+ kfree(ir);
+ return -ENOMEM;
}
+ memset(ir,0,sizeof(*ir));
ir->c = client_template;
ir->input = input_dev;
- i2c_set_clientdata(&ir->c, ir);
ir->c.adapter = adap;
ir->c.addr = addr;
+ i2c_set_clientdata(&ir->c, ir);
+
switch(addr) {
case 0x64:
name = "Pixelview";
@@ -308,7 +364,7 @@ static int ir_attach(struct i2c_adapter *adap, int addr,
/* register i2c device
* At device register, IR codes may be changed to be
* board dependent.
- */
+ */
i2c_attach_client(&ir->c);
/* If IR not supported or disabled, unregisters driver */
@@ -324,13 +380,15 @@ static int ir_attach(struct i2c_adapter *adap, int addr,
ir->c.dev.bus_id);
/* init + register input device */
- ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
- input_dev->id.bustype = BUS_I2C;
- input_dev->name = ir->c.name;
- input_dev->phys = ir->phys;
+ 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);
+ 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);