V4L/DVB (10746): sms1xxx: enable rf switch on Hauppauge Tiger devices

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/dvb/siano/sms-cards.c b/drivers/media/dvb/siano/sms-cards.c
index 79f5715..6c8faeb 100644 (file)
--- a/drivers/media/dvb/siano/sms-cards.c
+++ b/drivers/media/dvb/siano/sms-cards.c
@@ -117,6 +117,7 @@ static struct sms_board sms_boards[] = {
                .type   = SMS_NOVA_B0,
                .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-02.fw",
                .lna_ctrl  = 29,
+               .rf_switch = 17,
        },
        [SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2] = {
                .name   = "Hauppauge WinTV MiniCard",
@@ -199,8 +200,8 @@ int sms_board_power(struct smscore_device_t *coredev, int onoff)
        case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
        case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
                /* LNA */
-               sms_set_gpio(coredev,
-                            board->lna_ctrl, onoff ? 1 : 0);
+               if (!onoff)
+                       sms_set_gpio(coredev, board->lna_ctrl, 0);
                break;
        }
        return 0;
@@ -227,3 +228,21 @@ int sms_board_led_feedback(struct smscore_device_t *coredev, int led)
        }
        return 0;
 }
+
+int sms_board_lna_control(struct smscore_device_t *coredev, int onoff)
+{
+       int board_id = smscore_get_board_id(coredev);
+       struct sms_board *board = sms_get_board(board_id);
+
+       sms_debug("%s: LNA %s", __func__, onoff ? "enabled" : "disabled");
+
+       switch (board_id) {
+       case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
+       case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
+               sms_set_gpio(coredev,
+                            board->rf_switch, onoff ? 1 : 0);
+               return sms_set_gpio(coredev,
+                                   board->lna_ctrl, onoff ? 1 : 0);
+       }
+       return -EINVAL;
+}

diff --git a/drivers/media/dvb/siano/sms-cards.h b/drivers/media/dvb/siano/sms-cards.h
index 8e0fe9f..fe292aa 100644 (file)
--- a/drivers/media/dvb/siano/sms-cards.h
+++ b/drivers/media/dvb/siano/sms-cards.h
@@ -40,7 +40,7 @@ struct sms_board {
        char *name, *fw[DEVICE_MODE_MAX];
 
        /* gpios */
-       int led_power, led_hi, led_lo, lna_ctrl;
+       int led_power, led_hi, led_lo, lna_ctrl, rf_switch;
 };
 
 struct sms_board *sms_get_board(int id);
@@ -52,6 +52,7 @@ int sms_board_setup(struct smscore_device_t *coredev);
 #define SMS_LED_HI  2
 int sms_board_led_feedback(struct smscore_device_t *coredev, int led);
 int sms_board_power(struct smscore_device_t *coredev, int onoff);
+int sms_board_lna_control(struct smscore_device_t *coredev, int onoff);
 
 extern struct usb_device_id smsusb_id_table[];
 

diff --git a/drivers/media/dvb/siano/smsdvb.c b/drivers/media/dvb/siano/smsdvb.c
index 2da953a..0a7af92 100644 (file)
--- a/drivers/media/dvb/siano/smsdvb.c
+++ b/drivers/media/dvb/siano/smsdvb.c
@@ -262,6 +262,7 @@ static int smsdvb_set_frontend(struct dvb_frontend *fe,
                struct SmsMsgHdr_ST     Msg;
                u32             Data[3];
        } Msg;
+       int ret;
 
        Msg.Msg.msgSrcId  = DVBT_BDA_CONTROL_MSG_ID;
        Msg.Msg.msgDstId  = HIF_TASK;
@@ -282,6 +283,24 @@ static int smsdvb_set_frontend(struct dvb_frontend *fe,
        default: return -EINVAL;
        }
 
+       /* Disable LNA, if any. An error is returned if no LNA is present */
+       ret = sms_board_lna_control(client->coredev, 0);
+       if (ret == 0) {
+               fe_status_t status;
+
+               /* tune with LNA off at first */
+               ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
+                                                 &client->tune_done);
+
+               smsdvb_read_status(fe, &status);
+
+               if (status & FE_HAS_LOCK)
+                       return ret;
+
+               /* previous tune didnt lock - enable LNA and tune again */
+               sms_board_lna_control(client->coredev, 1);
+       }
+
        return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
                                           &client->tune_done);
 }