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authorDaniel González Cabanelas <dgcbueu@gmail.com>2022-02-07 17:51:41 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-09-24 12:21:43 +0300
commit39dfd52d0f481de42a435f9fb79c98b376c68c39 (patch)
treeebc3de0decd1fb271029251da94437e1754bfba2
parent51e1440d309a74a3e4e252019a00f9d0df329945 (diff)
downloadlinux-39dfd52d0f481de42a435f9fb79c98b376c68c39.tar.xz
media: cx88: add IR remote support for NotOnlyTV LV3H
The PCI hybrid card NotOnlyTV LV3H has a built-in IR receiver connected via I2C bus, currently not supported. This receiver is probably present in more Geniatech cards. It has no capability for repeating when a key is held down. Add support for this built-in IR receiver. Use the existing Total Media In Hand_02 remote keytable (Geniatech Mygica X8507) which matches exactly the LV3H remote. Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com> Signed-off-by: Marek Kidawski <mark_kiddy@wp.pl> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
-rw-r--r--drivers/media/i2c/ir-kbd-i2c.c47
-rw-r--r--drivers/media/pci/cx88/cx88-input.c2
-rw-r--r--drivers/media/pci/cx88/cx88-video.c1
-rw-r--r--include/media/i2c/ir-kbd-i2c.h1
4 files changed, 50 insertions, 1 deletions
diff --git a/drivers/media/i2c/ir-kbd-i2c.c b/drivers/media/i2c/ir-kbd-i2c.c
index 56674173524f..a229e2d69ed6 100644
--- a/drivers/media/i2c/ir-kbd-i2c.c
+++ b/drivers/media/i2c/ir-kbd-i2c.c
@@ -238,6 +238,43 @@ static int get_key_knc1(struct IR_i2c *ir, enum rc_proto *protocol,
return 1;
}
+static int get_key_geniatech(struct IR_i2c *ir, enum rc_proto *protocol,
+ u32 *scancode, u8 *toggle)
+{
+ int i, rc;
+ unsigned char b;
+
+ /* poll IR chip */
+ for (i = 0; i < 4; i++) {
+ rc = i2c_master_recv(ir->c, &b, 1);
+ if (rc == 1)
+ break;
+ msleep(20);
+ }
+ if (rc != 1) {
+ dev_dbg(&ir->rc->dev, "read error\n");
+ if (rc < 0)
+ return rc;
+ return -EIO;
+ }
+
+ /* don't repeat the key */
+ if (ir->old == b)
+ return 0;
+ ir->old = b;
+
+ /* decode to RC5 */
+ b &= 0x7f;
+ b = (b - 1) / 2;
+
+ dev_dbg(&ir->rc->dev, "key %02x\n", b);
+
+ *protocol = RC_PROTO_RC5;
+ *scancode = b;
+ *toggle = ir->old >> 7;
+ return 1;
+}
+
static int get_key_avermedia_cardbus(struct IR_i2c *ir, enum rc_proto *protocol,
u32 *scancode, u8 *toggle)
{
@@ -766,6 +803,13 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id)
rc_proto = RC_PROTO_BIT_OTHER;
ir_codes = RC_MAP_EMPTY;
break;
+ case 0x33:
+ name = "Geniatech";
+ ir->get_key = get_key_geniatech;
+ rc_proto = RC_PROTO_BIT_RC5;
+ ir_codes = RC_MAP_TOTAL_MEDIA_IN_HAND_02;
+ ir->old = 0xfc;
+ break;
case 0x6b:
name = "FusionHDTV";
ir->get_key = get_key_fusionhdtv;
@@ -825,6 +869,9 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id)
case IR_KBD_GET_KEY_KNC1:
ir->get_key = get_key_knc1;
break;
+ case IR_KBD_GET_KEY_GENIATECH:
+ ir->get_key = get_key_geniatech;
+ break;
case IR_KBD_GET_KEY_FUSIONHDTV:
ir->get_key = get_key_fusionhdtv;
break;
diff --git a/drivers/media/pci/cx88/cx88-input.c b/drivers/media/pci/cx88/cx88-input.c
index ce0ef0b8186f..a04a1d33fadb 100644
--- a/drivers/media/pci/cx88/cx88-input.c
+++ b/drivers/media/pci/cx88/cx88-input.c
@@ -586,7 +586,7 @@ void cx88_i2c_init_ir(struct cx88_core *core)
{
struct i2c_board_info info;
static const unsigned short default_addr_list[] = {
- 0x18, 0x6b, 0x71,
+ 0x18, 0x33, 0x6b, 0x71,
I2C_CLIENT_END
};
static const unsigned short pvr2000_addr_list[] = {
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index b509c2a03852..c0ef03ed74f9 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -1388,6 +1388,7 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
}
fallthrough;
case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
+ case CX88_BOARD_NOTONLYTV_LV3H:
request_module("ir-kbd-i2c");
}
diff --git a/include/media/i2c/ir-kbd-i2c.h b/include/media/i2c/ir-kbd-i2c.h
index 9f47d6a48cff..0b58f8b9e7a4 100644
--- a/include/media/i2c/ir-kbd-i2c.h
+++ b/include/media/i2c/ir-kbd-i2c.h
@@ -35,6 +35,7 @@ enum ir_kbd_get_key_fn {
IR_KBD_GET_KEY_PIXELVIEW,
IR_KBD_GET_KEY_HAUP,
IR_KBD_GET_KEY_KNC1,
+ IR_KBD_GET_KEY_GENIATECH,
IR_KBD_GET_KEY_FUSIONHDTV,
IR_KBD_GET_KEY_HAUP_XVR,
IR_KBD_GET_KEY_AVERMEDIA_CARDBUS,