V4L/DVB (6178): add IR remote support for FusionHDTV 5 RT Gold

This patch adds support for the built-in IR receiver of the DViCO
Fusion HDTV5 RT GOLD PCI card, using FusionHDTV MCE remote controller.

Signed-off-by: Chaogui Zhang <czhang1974@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 35 insertions, 1 deletions

diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index b3939a0bada0..3d5a28c2c929 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -10,6 +10,8 @@
  *      Ulrich Mueller <ulrich.mueller42@web.de>
  * modified for em2820 based USB TV tuners by
  *      Markus Rechberger <mrechberger@gmail.com>
+ * modified for DViCO Fusion HDTV 5 RT GOLD by
+ *      Chaogui Zhang <czhang1974@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -141,6 +143,32 @@ static int get_key_pv951(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
         return 1;
 }
 
+static int get_key_fusion_gold(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+        unsigned char buf[4];
+
+        /* poll IR chip */
+        if (4 != i2c_master_recv(&ir->c,buf,4)) {
+                dprintk(1,"read error\n");
+                return -EIO;
+        }
+
+        if(buf[0] !=0 || buf[1] !=0 || buf[2] !=0 || buf[3] != 0)
+                dprintk(2, "ir fusion gold: 0x%2x 0x%2x 0x%2x 0x%2x\n",
+                        buf[0], buf[1], buf[2], buf[3]);
+
+        /* no key pressed or signal from other ir remote */
+        if(buf[0] != 0x1 ||  buf[1] != 0xfe)
+                return 0;
+
+        *ir_key = buf[2];
+        *ir_raw = (buf[2] << 8) | buf[3];
+
+        return 1;
+
+}
+
+
 static int get_key_knc1(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 {
         unsigned char b;
@@ -363,6 +391,12 @@ static int ir_attach(struct i2c_adapter *adap, int addr,
                 ir_type     = IR_TYPE_OTHER;
                 ir_codes    = ir_codes_empty;
                 break;
+        case 0x6b:
+                name        = "FusionGold";
+                ir->get_key = get_key_fusion_gold;
+                ir_type     = IR_TYPE_RC5;
+                ir_codes    = ir_codes_fusion_gold;
+                break;
         case 0x7a:
         case 0x47:
         case 0x71:
@@ -474,7 +508,7 @@ 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 };
+        static const int probe_cx88[] = { 0x18, 0x6b, 0x71, -1 };
         const int *probe = NULL;
         struct i2c_client c;
         unsigned char buf;