V4L/DVB (8628): bttv: Add support for Encore ENLTV2-FM

Thanks to Sistema Fenix (http://www.sistemafenix.com.br/) and CDI Brasil
(www.cdibrasil.com.br/) for sponsoring this development.

Signed-off-by: Gilberto <gilberto@sistemafenix.com.br>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

3 files changed, 86 insertions, 5 deletions

diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c
index 6081edc362df..13742b0bbe3e 100644
--- a/drivers/media/video/bt8xx/bttv-cards.c
+++ b/drivers/media/video/bt8xx/bttv-cards.c
@@ -305,7 +305,7 @@ static struct CARD {
         { 0x00261822, BTTV_BOARD_TWINHAN_DST,   "DNTV Live! Mini "},
         { 0xd200dbc0, BTTV_BOARD_DVICO_FUSIONHDTV_2,    "DViCO FusionHDTV 2" },
         { 0x763c008a, BTTV_BOARD_GEOVISION_GV600,       "GeoVision GV-600" },
-
+        { 0x18011000, BTTV_BOARD_ENLTV_FM_2,    "Encore ENL TV-FM-2" },
         { 0, -1, NULL }
 };
 
@@ -3037,6 +3037,31 @@ struct tvcard bttv_tvcards[] = {
                 .has_radio      = 1,
                 .has_remote     = 1,
         },
+        [BTTV_BOARD_ENLTV_FM_2] = {
+                /* Encore TV Tuner Pro ENL TV-FM-2
+                   Mauro Carvalho Chehab <mchehab@infradead.org */
+                .name           = "Encore ENL TV-FM-2",
+                .video_inputs   = 3,
+                .audio_inputs   = 1,
+                .tuner          = 0,
+                .svhs           = 2,
+                /* bit 6          -> IR disabled
+                   bit 18/17 = 00 -> mute
+                               01 -> enable external audio input
+                               10 -> internal audio input (mono?)
+                               11 -> internal audio input
+                 */
+                .gpiomask       = 0x060040,
+                .muxsel         = { 2, 3, 3 },
+                .gpiomux        = { 0x60000, 0x60000, 0x20000, 0x20000 },
+                .gpiomute       = 0,
+                .tuner_type     = TUNER_TCL_MF02GIP_5N,
+                .tuner_addr     = ADDR_UNSET,
+                .radio_addr     = ADDR_UNSET,
+                .pll            = PLL_28,
+                .has_radio      = 1,
+                .has_remote     = 1,
+        }
 };
 
 static const unsigned int bttv_num_tvcards = ARRAY_SIZE(bttv_tvcards);
diff --git a/drivers/media/video/bt8xx/bttv-input.c b/drivers/media/video/bt8xx/bttv-input.c
index a38af98f4cae..2f289d981fe6 100644
--- a/drivers/media/video/bt8xx/bttv-input.c
+++ b/drivers/media/video/bt8xx/bttv-input.c
@@ -28,8 +28,8 @@
 #include "bttvp.h"
 
 
-static int debug;
-module_param(debug, int, 0644);    /* debug level (0,1,2) */
+static int ir_debug;
+module_param(ir_debug, int, 0644);
 static int repeat_delay = 500;
 module_param(repeat_delay, int, 0644);
 static int repeat_period = 33;
@@ -40,6 +40,12 @@ module_param(ir_rc5_remote_gap, int, 0644);
 static int ir_rc5_key_timeout = 200;
 module_param(ir_rc5_key_timeout, int, 0644);
 
+#undef dprintk
+#define dprintk(arg...) do {    \
+        if (ir_debug >= 1)      \
+                printk(arg);    \
+} while (0)
+
 #define DEVNAME "bttv-input"
 
 /* ---------------------------------------------------------------------- */
@@ -79,6 +85,45 @@ static void ir_handle_key(struct bttv *btv)
 
 }
 
+static void ir_enltv_handle_key(struct bttv *btv)
+{
+        struct card_ir *ir = btv->remote;
+        u32 gpio, data, keyup;
+
+        /* read gpio value */
+        gpio = bttv_gpio_read(&btv->c);
+
+        /* extract data */
+        data = ir_extract_bits(gpio, ir->mask_keycode);
+
+        /* Check if it is keyup */
+        keyup = (gpio & ir->mask_keyup) ? 1 << 31 : 0;
+
+        if ((ir->last_gpio & 0x7f) != data) {
+                dprintk(KERN_INFO DEVNAME ": gpio=0x%x code=%d | %s\n",
+                        gpio, data,
+                        (gpio & ir->mask_keyup) ? " up" : "up/down");
+
+                ir_input_keydown(ir->dev, &ir->ir, data, data);
+                if (keyup)
+                        ir_input_nokey(ir->dev, &ir->ir);
+        } else {
+                if ((ir->last_gpio & 1 << 31) == keyup)
+                        return;
+
+                dprintk(KERN_INFO DEVNAME ":(cnt) gpio=0x%x code=%d | %s\n",
+                        gpio, data,
+                        (gpio & ir->mask_keyup) ? " up" : "down");
+
+                if (keyup)
+                        ir_input_nokey(ir->dev, &ir->ir);
+                else
+                        ir_input_keydown(ir->dev, &ir->ir, data, data);
+        }
+
+        ir->last_gpio = data | keyup;
+}
+
 void bttv_input_irq(struct bttv *btv)
 {
         struct card_ir *ir = btv->remote;
@@ -92,7 +137,10 @@ static void bttv_input_timer(unsigned long data)
         struct bttv *btv = (struct bttv*)data;
         struct card_ir *ir = btv->remote;
 
-        ir_handle_key(btv);
+        if (btv->c.type == BTTV_BOARD_ENLTV_FM_2)
+                ir_enltv_handle_key(btv);
+        else
+                ir_handle_key(btv);
         mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
 }
 
@@ -284,6 +332,14 @@ int bttv_input_init(struct bttv *btv)
                 ir->mask_keyup   = 0x006000;
                 ir->polling      = 50; /* ms */
                 break;
+        case BTTV_BOARD_ENLTV_FM_2:
+                ir_codes         = ir_codes_encore_enltv2;
+                ir->mask_keycode = 0x00fd00;
+                ir->mask_keyup   = 0x000080;
+                ir->polling      = 1; /* ms */
+                ir->last_gpio    = ir_extract_bits(bttv_gpio_read(&btv->c),
+                                                   ir->mask_keycode);
+                break;
         }
         if (NULL == ir_codes) {
                 dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n", btv->c.type);
diff --git a/drivers/media/video/bt8xx/bttv.h b/drivers/media/video/bt8xx/bttv.h
index 6d93d16c96e4..46cb90e0985b 100644
--- a/drivers/media/video/bt8xx/bttv.h
+++ b/drivers/media/video/bt8xx/bttv.h
@@ -176,7 +176,7 @@
 #define BTTV_BOARD_TYPHOON_TVTUNERPCI      0x95
 #define BTTV_BOARD_GEOVISION_GV600         0x96
 #define BTTV_BOARD_KOZUMI_KTV_01C          0x97
-
+#define BTTV_BOARD_ENLTV_FM_2              0x98
 
 /* more card-specific defines */
 #define PT2254_L_CHANNEL 0x10