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authorJan Frey <jfrey@gmx.de>2007-06-25 14:34:06 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-07-18 14:24:20 -0300
commit39cf1e810a6b464a8469bf318f21206d84ffb1d8 (patch)
tree40beb346b58504f511d5936ce583924f24e4e637 /drivers/media/video/ir-kbd-i2c.c
parent434b25263a236c9dd980617d69863ba0eff8c744 (diff)
downloadop-kernel-dev-39cf1e810a6b464a8469bf318f21206d84ffb1d8.zip
op-kernel-dev-39cf1e810a6b464a8469bf318f21206d84ffb1d8.tar.gz
V4L/DVB (5786): Ir-kbd-i2c: add support for Hauppauge HVR1300 remote
- add support for the I2C based IR transceiver of the Hauppauge HVR-1300 - remove bad code from cx88-input.c Signed-off-by: Jan Frey <jfrey@gmx.de> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/ir-kbd-i2c.c')
-rw-r--r--drivers/media/video/ir-kbd-i2c.c50
1 files changed, 39 insertions, 11 deletions
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index cd84d06..2d709e0 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -37,6 +37,7 @@
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/i2c.h>
+#include <linux/i2c-id.h>
#include <linux/workqueue.h>
#include <asm/semaphore.h>
@@ -60,21 +61,22 @@ MODULE_PARM_DESC(hauppauge, "Specify Hauppauge remote: 0=black, 1=grey (defaults
/* ----------------------------------------------------------------------- */
-static int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_haup_common(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
+ int size, int offset)
{
- unsigned char buf[3];
+ unsigned char buf[6];
int start, range, toggle, dev, code;
/* poll IR chip */
- if (3 != i2c_master_recv(&ir->c,buf,3))
+ if (size != i2c_master_recv(&ir->c,buf,size))
return -EIO;
/* split rc5 data block ... */
- start = (buf[0] >> 7) & 1;
- range = (buf[0] >> 6) & 1;
- toggle = (buf[0] >> 5) & 1;
- dev = buf[0] & 0x1f;
- code = (buf[1] >> 2) & 0x3f;
+ start = (buf[offset] >> 7) & 1;
+ range = (buf[offset] >> 6) & 1;
+ toggle = (buf[offset] >> 5) & 1;
+ dev = buf[offset] & 0x1f;
+ code = (buf[offset+1] >> 2) & 0x3f;
/* rc5 has two start bits
* the first bit must be one
@@ -96,6 +98,16 @@ static int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
return 1;
}
+static inline int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ return get_key_haup_common (ir, ir_key, ir_raw, 3, 0);
+}
+
+static inline int get_key_haup_xvr(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ return get_key_haup_common (ir, ir_key, ir_raw, 6, 3);
+}
+
static int get_key_pixelview(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
unsigned char b;
@@ -355,9 +367,21 @@ static int ir_attach(struct i2c_adapter *adap, int addr,
case 0x7a:
case 0x47:
case 0x71:
- /* Handled by saa7134-input */
- name = "SAA713x remote";
- ir_type = IR_TYPE_OTHER;
+ if (adap->id == I2C_HW_B_CX2388x) {
+ /* Handled by cx88-input */
+ name = "CX2388x remote";
+ ir_type = IR_TYPE_RC5;
+ ir->get_key = get_key_haup_xvr;
+ if (hauppauge == 1) {
+ ir_codes = ir_codes_hauppauge_new;
+ } else {
+ ir_codes = ir_codes_rc5_tv;
+ }
+ } else {
+ /* Handled by saa7134-input */
+ name = "SAA713x remote";
+ ir_type = IR_TYPE_OTHER;
+ }
break;
default:
/* shouldn't happen */
@@ -451,6 +475,7 @@ static int ir_probe(struct i2c_adapter *adap)
static const int probe_bttv[] = { 0x1a, 0x18, 0x4b, 0x64, 0x30, -1};
static const int probe_saa7134[] = { 0x7a, 0x47, 0x71, -1 };
static const int probe_em28XX[] = { 0x30, 0x47, -1 };
+ static const int probe_cx88[] = { 0x18, 0x71, -1 };
const int *probe = NULL;
struct i2c_client c;
unsigned char buf;
@@ -469,6 +494,9 @@ static int ir_probe(struct i2c_adapter *adap)
case I2C_HW_B_EM28XX:
probe = probe_em28XX;
break;
+ case I2C_HW_B_CX2388x:
+ probe = probe_cx88;
+ break;
}
if (NULL == probe)
return 0;
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