3 files changed, 219 insertions, 2 deletions

diff --git a/drivers/media/video/saa7134/saa7134-i2c.c b/drivers/media/video/saa7134/saa7134-i2c.c
index 2577d03485b8..7575043f0874 100644
--- a/drivers/media/video/saa7134/saa7134-i2c.c
+++ b/drivers/media/video/saa7134/saa7134-i2c.c
@@ -335,6 +335,20 @@ static int attach_inform(struct i2c_client *client)
         d1printk( "%s i2c attach [addr=0x%x,client=%s]\n",
                  client->driver->name, client->addr, client->name);
 
+        /* Am I an i2c remote control? */
+
+        switch (client->addr) {
+                case 0x7a:
+                case 0x47:
+                {
+                        struct IR_i2c *ir = i2c_get_clientdata(client);
+                        d1printk("%s i2c IR detected (%s).\n",
+                                 client->driver->name,ir->phys);
+                        saa7134_set_i2c_ir(dev,ir);
+                        break;
+                }
+        }
+
         if (!client->driver->command)
                 return 0;
 
diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c
index f99dbb729555..6413a6e09873 100644
--- a/drivers/media/video/saa7134/saa7134-input.c
+++ b/drivers/media/video/saa7134/saa7134-input.c
@@ -39,6 +39,8 @@ MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
 
 #define dprintk(fmt, arg...)    if (ir_debug) \
         printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
+#define i2cdprintk(fmt, arg...)    if (ir_debug) \
+        printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg)
 
 /* ---------------------------------------------------------------------- */
 
@@ -443,7 +445,105 @@ static IR_KEYTAB_TYPE gotview7135_codes[IR_KEYTAB_SIZE] = {
         [ 112] = KEY_F24, /* NORMAL TIMESHIFT */
 };
 
-/* ---------------------------------------------------------------------- */
+static IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE] = {
+        [ 0x3  ] = KEY_POWER,
+        [ 0x6f ] = KEY_MUTE,
+        [ 0x10 ] = KEY_BACKSPACE,       /* Recall */
+
+        [ 0x11 ] = KEY_KP0,
+        [ 0x4  ] = KEY_KP1,
+        [ 0x5  ] = KEY_KP2,
+        [ 0x6  ] = KEY_KP3,
+        [ 0x8  ] = KEY_KP4,
+        [ 0x9  ] = KEY_KP5,
+        [ 0xa  ] = KEY_KP6,
+        [ 0xc  ] = KEY_KP7,
+        [ 0xd  ] = KEY_KP8,
+        [ 0xe  ] = KEY_KP9,
+        [ 0x12 ] = KEY_KPDOT,           /* 100+ */
+
+        [ 0x7  ] = KEY_VOLUMEUP,
+        [ 0xb  ] = KEY_VOLUMEDOWN,
+        [ 0x1a ] = KEY_KPPLUS,
+        [ 0x18 ] = KEY_KPMINUS,
+        [ 0x15 ] = KEY_UP,
+        [ 0x1d ] = KEY_DOWN,
+        [ 0xf  ] = KEY_CHANNELUP,
+        [ 0x13 ] = KEY_CHANNELDOWN,
+        [ 0x48 ] = KEY_ZOOM,
+
+        [ 0x1b ] = KEY_VIDEO,           /* Video source */
+        [ 0x49 ] = KEY_LANGUAGE,        /* MTS Select */
+        [ 0x19 ] = KEY_SEARCH,          /* Auto Scan */
+
+        [ 0x4b ] = KEY_RECORD,
+        [ 0x46 ] = KEY_PLAY,
+        [ 0x45 ] = KEY_PAUSE,           /* Pause */
+        [ 0x44 ] = KEY_STOP,
+        [ 0x40 ] = KEY_FORWARD,         /* Forward ? */
+        [ 0x42 ] = KEY_REWIND,          /* Backward ? */
+
+};
+
+static IR_KEYTAB_TYPE ir_codes_pinnacle[IR_KEYTAB_SIZE] = {
+        [ 0x59 ] = KEY_MUTE,
+        [ 0x4a ] = KEY_POWER,
+
+        [ 0x18 ] = KEY_TEXT,
+        [ 0x26 ] = KEY_TV,
+        [ 0x3d ] = KEY_PRINT,
+
+        [ 0x48 ] = KEY_RED,
+        [ 0x04 ] = KEY_GREEN,
+        [ 0x11 ] = KEY_YELLOW,
+        [ 0x00 ] = KEY_BLUE,
+
+        [ 0x2d ] = KEY_VOLUMEUP,
+        [ 0x1e ] = KEY_VOLUMEDOWN,
+
+        [ 0x49 ] = KEY_MENU,
+
+        [ 0x16 ] = KEY_CHANNELUP,
+        [ 0x17 ] = KEY_CHANNELDOWN,
+
+        [ 0x20 ] = KEY_UP,
+        [ 0x21 ] = KEY_DOWN,
+        [ 0x22 ] = KEY_LEFT,
+        [ 0x23 ] = KEY_RIGHT,
+        [ 0x0d ] = KEY_SELECT,
+
+
+
+        [ 0x08 ] = KEY_BACK,
+        [ 0x07 ] = KEY_REFRESH,
+
+        [ 0x2f ] = KEY_ZOOM,
+        [ 0x29 ] = KEY_RECORD,
+
+        [ 0x4b ] = KEY_PAUSE,
+        [ 0x4d ] = KEY_REWIND,
+        [ 0x2e ] = KEY_PLAY,
+        [ 0x4e ] = KEY_FORWARD,
+        [ 0x53 ] = KEY_PREVIOUS,
+        [ 0x4c ] = KEY_STOP,
+        [ 0x54 ] = KEY_NEXT,
+
+        [ 0x69 ] = KEY_KP0,
+        [ 0x6a ] = KEY_KP1,
+        [ 0x6b ] = KEY_KP2,
+        [ 0x6c ] = KEY_KP3,
+        [ 0x6d ] = KEY_KP4,
+        [ 0x6e ] = KEY_KP5,
+        [ 0x6f ] = KEY_KP6,
+        [ 0x70 ] = KEY_KP7,
+        [ 0x71 ] = KEY_KP8,
+        [ 0x72 ] = KEY_KP9,
+
+        [ 0x74 ] = KEY_CHANNEL,
+        [ 0x0a ] = KEY_BACKSPACE,
+};
+
+/* -------------------- GPIO generic keycode builder -------------------- */
 
 static int build_key(struct saa7134_dev *dev)
 {
@@ -474,7 +574,81 @@ static int build_key(struct saa7134_dev *dev)
         return 0;
 }
 
-/* ---------------------------------------------------------------------- */
+/* --------------------- Chip specific I2C key builders ----------------- */
+
+static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+        unsigned char b;
+
+        /* poll IR chip */
+        if (1 != i2c_master_recv(&ir->c,&b,1)) {
+                i2cdprintk("read error\n");
+                return -EIO;
+        }
+
+        /* no button press */
+        if (b==0)
+                return 0;
+
+        /* repeating */
+        if (b & 0x80)
+                return 1;
+
+        *ir_key = b;
+        *ir_raw = b;
+        return 1;
+}
+
+/* The new pinnacle PCTV remote (with the colored buttons)
+ *
+ * Ricardo Cerqueira <v4l@cerqueira.org>
+ */
+
+static 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)) {
+                i2cdprintk("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;
+
+        i2cdprintk("Pinnacle PCTV key %02x\n", code);
+
+        return 1;
+}
+
 
 void saa7134_input_irq(struct saa7134_dev *dev)
 {
@@ -658,6 +832,30 @@ void saa7134_input_fini(struct saa7134_dev *dev)
         dev->remote = NULL;
 }
 
+void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir)
+{
+        if (disable_ir) {
+                ir->get_key=NULL;
+                return;
+        }
+
+        switch (dev->board) {
+        case SAA7134_BOARD_PINNACLE_PCTV_110i:
+                snprintf(ir->c.name, sizeof(ir->c.name), "Pinnacle PCTV");
+                ir->get_key   = get_key_pinnacle;
+                ir->ir_codes  = ir_codes_pinnacle;
+                break;
+        case SAA7134_BOARD_UPMOST_PURPLE_TV:
+                snprintf(ir->c.name, sizeof(ir->c.name), "Purple TV");
+                ir->get_key   = get_key_purpletv;
+                ir->ir_codes  = ir_codes_purpletv;
+                break;
+        default:
+                dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board);
+                break;
+        }
+
+}
 /* ----------------------------------------------------------------------
  * Local variables:
  * c-basic-offset: 8
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index d497fea5425f..99d000be095e 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -36,6 +36,7 @@
 #include <media/audiochip.h>
 #include <media/id.h>
 #include <media/ir-common.h>
+#include <media/ir-kbd-i2c.h>
 #include <media/video-buf.h>
 #include <media/video-buf-dvb.h>
 
@@ -653,6 +654,10 @@ void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status);
 int  saa7134_input_init1(struct saa7134_dev *dev);
 void saa7134_input_fini(struct saa7134_dev *dev);
 void saa7134_input_irq(struct saa7134_dev *dev);
+void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir);
+
+/* ----------------------------------------------------------- */
+/* saa7134-alsa.c                                              */
 
 int alsa_card_saa7134_create(struct saa7134_dev *saadev, unsigned int devnum);
 void alsa_card_saa7134_exit(void);