]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
V4L/DVB (5129): M920x: break out qt1010 tuner code into a separate file
authorMichael Krufky <mkrufky@linuxtv.org>
Sat, 23 Sep 2006 23:40:20 +0000 (20:40 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Wed, 21 Feb 2007 15:34:50 +0000 (13:34 -0200)
qt1010 is a tuner used in some other devices, so this code should be put
into a separate file so that it could be reused by other drivers.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/dvb/dvb-usb/m920x.c
drivers/media/dvb/frontends/qt1010.h [new file with mode: 0644]

index 5ab16b15b95ce1ae8cab7030d3a0660212f14c58..292805aad69a9aff68e691f21b885cb900f56333 100644 (file)
@@ -13,6 +13,7 @@
 
 #include "mt352.h"
 #include "mt352_priv.h"
+#include "qt1010.h"
 
 /* debug */
 int dvb_usb_m920x_debug;
@@ -226,209 +227,6 @@ static int megasky_mt352_demod_init(struct dvb_frontend *fe)
 
 struct mt352_state;
 
-#define W 0
-#define R 1
-/* Not actual hw limits. */
-#define QT1010_MIN_STEP 2000000
-#define QT1010_MIN_FREQ 48000000
-
-int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params, u8 *buf, int buf_len)
-{
-       int i;
-       int div, mod;
-       struct {
-               u8 read, reg, value;
-       } rd[46] = {    { W, 0x01, 0x80 },
-                       { W, 0x02, 0x3f },
-                       { W, 0x05, 0xff }, /* c */
-                       { W, 0x06, 0x44 },
-                       { W, 0x07, 0xff }, /* c */
-                       { W, 0x08, 0x08 },
-                       { W, 0x09, 0xff }, /* c */
-                       { W, 0x0a, 0xff }, /* c */
-                       { W, 0x0b, 0xff }, /* c */
-                       { W, 0x0c, 0xe1 },
-                       { W, 0x1a, 0xff }, /* 10 c */
-                       { W, 0x1b, 0x00 },
-                       { W, 0x1c, 0x89 },
-                       { W, 0x11, 0xff }, /* c */
-                       { W, 0x12, 0x91 },
-                       { W, 0x22, 0xff }, /* c */
-                       { W, 0x1e, 0x00 },
-                       { W, 0x1e, 0xd0 },
-                       { R, 0x22, 0xff }, /* c read */
-                       { W, 0x1e, 0x00 },
-                       { R, 0x05, 0xff }, /* 20 c read */
-                       { R, 0x22, 0xff }, /* c read */
-                       { W, 0x23, 0xd0 },
-                       { W, 0x1e, 0x00 },
-                       { W, 0x1e, 0xe0 },
-                       { R, 0x23, 0xff }, /* c read */
-                       { W, 0x1e, 0x00 },
-                       { W, 0x24, 0xd0 },
-                       { W, 0x1e, 0x00 },
-                       { W, 0x1e, 0xf0 },
-                       { R, 0x24, 0xff }, /* 30 c read */
-                       { W, 0x1e, 0x00 },
-                       { W, 0x14, 0x7f },
-                       { W, 0x15, 0x7f },
-                       { W, 0x05, 0xff }, /* c */
-                       { W, 0x06, 0x00 },
-                       { W, 0x15, 0x1f },
-                       { W, 0x16, 0xff },
-                       { W, 0x18, 0xff },
-                       { W, 0x1f, 0xff }, /* c */
-                       { W, 0x20, 0xff }, /* 40 c */
-                       { W, 0x21, 0x53 },
-                       { W, 0x25, 0xbd },
-                       { W, 0x26, 0x15 },
-                       { W, 0x02, 0x00 },
-                       { W, 0x01, 0x00 },
-                       };
-       struct i2c_msg msg;
-       struct dvb_usb_device *d = fe->dvb->priv;
-       unsigned long freq = params->frequency;
-
-       if (freq % QT1010_MIN_STEP)
-               deb_rc("frequency not supported.\n");
-
-       (void) buf;
-       (void) buf_len;
-
-       div = (freq - QT1010_MIN_FREQ) / QT1010_MIN_STEP;
-       mod = (div + 16 - 9) % 16;
-
-       /* 0x5 */
-       if (div >= 377)
-               rd[2].value = 0x74;
-       else if (div >=  265)
-               rd[2].value = 0x54;
-       else if (div >=  121)
-               rd[2].value = 0x34;
-       else
-               rd[2].value = 0x14;
-
-       /* 0x7 */
-       rd[4].value = (((freq - QT1010_MIN_FREQ) / 1000000) * 9975 + 12960000) / 320000;
-
-       /* 09 */
-       if (mod < 4)
-               rd[6].value = 0x1d;
-       else
-               rd[6].value = 0x1c;
-
-       /* 0a */
-       if (mod < 2)
-               rd[7].value = 0x09;
-       else if (mod < 4)
-               rd[7].value = 0x08;
-       else if (mod < 6)
-               rd[7].value = 0x0f;
-       else if (mod < 8)
-               rd[7].value = 0x0e;
-       else if (mod < 10)
-               rd[7].value = 0x0d;
-       else if (mod < 12)
-               rd[7].value = 0x0c;
-       else if (mod < 14)
-               rd[7].value = 0x0b;
-       else
-               rd[7].value = 0x0a;
-
-       /* 0b */
-       if (div & 1)
-               rd[8].value = 0x45;
-       else
-               rd[8].value = 0x44;
-
-       /* 1a */
-       if (div & 1)
-               rd[10].value = 0x78;
-       else
-               rd[10].value = 0xf8;
-
-       /* 11 */
-       if (div >= 265)
-               rd[13].value = 0xf9;
-       else if (div >=  121)
-               rd[13].value = 0xfd;
-       else
-               rd[13].value = 0xf9;
-
-       /* 22 */
-       if (div < 201)
-               rd[15].value = 0xd0;
-       else if (div < 217)
-               rd[15].value = 0xd3;
-       else if (div < 233)
-               rd[15].value = 0xd6;
-       else if (div < 249)
-               rd[15].value = 0xd9;
-       else if (div < 265)
-               rd[15].value = 0xda;
-       else
-               rd[15].value = 0xd0;
-
-       /* 05 */
-       if (div >= 377)
-               rd[34].value = 0x70;
-       else if (div >=  265)
-               rd[34].value = 0x50;
-       else if (div >=  121)
-               rd[34].value = 0x30;
-       else
-               rd[34].value = 0x10;
-
-       /* 1f */
-       if (mod < 4)
-               rd[39].value = 0x64;
-       else if (mod < 6)
-               rd[39].value = 0x66;
-       else if (mod < 8)
-               rd[39].value = 0x67;
-       else if (mod < 12)
-               rd[39].value = 0x68;
-       else if (mod < 14)
-               rd[39].value = 0x69;
-       else
-               rd[39].value = 0x6a;
-
-       /* 20 */
-       if (mod < 4)
-               rd[40].value = 0x10;
-       else if (mod < 6)
-               rd[40].value = 0x11;
-       else if (mod < 10)
-               rd[40].value = 0x12;
-       else if (mod < 12)
-               rd[40].value = 0x13;
-       else if (mod < 14)
-               rd[40].value = 0x14;
-       else
-               rd[40].value = 0x15;
-
-       deb_rc("Now tuning... ");
-       for (i = 0; i < sizeof(rd) / sizeof(*rd); i++) {
-               if (rd[i].read)
-                       continue;
-
-               msg.flags = 0;
-               msg.len = 2;
-               msg.addr = 0xc4;
-               msg.buf = &rd[i].reg;
-
-               if (i2c_transfer(&d->i2c_adap, &msg, 1) != 1) {
-                       deb_rc("tuner write failed\n");
-                       return -EIO;
-               }
-       }
-       deb_rc("done\n");
-
-       return 0;
-}
-#undef W
-#undef R
-
 static struct mt352_config megasky_mt352_config = {
        .demod_address = 0x1e,
        .demod_init = megasky_mt352_demod_init,
diff --git a/drivers/media/dvb/frontends/qt1010.h b/drivers/media/dvb/frontends/qt1010.h
new file mode 100644 (file)
index 0000000..e526e3c
--- /dev/null
@@ -0,0 +1,221 @@
+/*
+ *  qt1010.h - DVB-T Tuner support
+ *
+ *  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
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _QT1010_H_
+#define _QT1010_H_
+
+#define QT1010_W 0
+#define QT1010_R 1
+/* Not actual hw limits. */
+#define QT1010_MIN_STEP 2000000
+#define QT1010_MIN_FREQ 48000000
+
+static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params, u8 *buf, int buf_len)
+{
+       int i;
+       int div, mod;
+       struct {
+               u8 read, reg, value;
+       } rd[46] = {    { QT1010_W, 0x01, 0x80 },
+                       { QT1010_W, 0x02, 0x3f },
+                       { QT1010_W, 0x05, 0xff }, /* c */
+                       { QT1010_W, 0x06, 0x44 },
+                       { QT1010_W, 0x07, 0xff }, /* c */
+                       { QT1010_W, 0x08, 0x08 },
+                       { QT1010_W, 0x09, 0xff }, /* c */
+                       { QT1010_W, 0x0a, 0xff }, /* c */
+                       { QT1010_W, 0x0b, 0xff }, /* c */
+                       { QT1010_W, 0x0c, 0xe1 },
+                       { QT1010_W, 0x1a, 0xff }, /* 10 c */
+                       { QT1010_W, 0x1b, 0x00 },
+                       { QT1010_W, 0x1c, 0x89 },
+                       { QT1010_W, 0x11, 0xff }, /* c */
+                       { QT1010_W, 0x12, 0x91 },
+                       { QT1010_W, 0x22, 0xff }, /* c */
+                       { QT1010_W, 0x1e, 0x00 },
+                       { QT1010_W, 0x1e, 0xd0 },
+                       { QT1010_R, 0x22, 0xff }, /* c read */
+                       { QT1010_W, 0x1e, 0x00 },
+                       { QT1010_R, 0x05, 0xff }, /* 20 c read */
+                       { QT1010_R, 0x22, 0xff }, /* c read */
+                       { QT1010_W, 0x23, 0xd0 },
+                       { QT1010_W, 0x1e, 0x00 },
+                       { QT1010_W, 0x1e, 0xe0 },
+                       { QT1010_R, 0x23, 0xff }, /* c read */
+                       { QT1010_W, 0x1e, 0x00 },
+                       { QT1010_W, 0x24, 0xd0 },
+                       { QT1010_W, 0x1e, 0x00 },
+                       { QT1010_W, 0x1e, 0xf0 },
+                       { QT1010_R, 0x24, 0xff }, /* 30 c read */
+                       { QT1010_W, 0x1e, 0x00 },
+                       { QT1010_W, 0x14, 0x7f },
+                       { QT1010_W, 0x15, 0x7f },
+                       { QT1010_W, 0x05, 0xff }, /* c */
+                       { QT1010_W, 0x06, 0x00 },
+                       { QT1010_W, 0x15, 0x1f },
+                       { QT1010_W, 0x16, 0xff },
+                       { QT1010_W, 0x18, 0xff },
+                       { QT1010_W, 0x1f, 0xff }, /* c */
+                       { QT1010_W, 0x20, 0xff }, /* 40 c */
+                       { QT1010_W, 0x21, 0x53 },
+                       { QT1010_W, 0x25, 0xbd },
+                       { QT1010_W, 0x26, 0x15 },
+                       { QT1010_W, 0x02, 0x00 },
+                       { QT1010_W, 0x01, 0x00 },
+                       };
+       struct i2c_msg msg;
+       struct dvb_usb_device *d = fe->dvb->priv;
+       unsigned long freq = params->frequency;
+
+       if (freq % QT1010_MIN_STEP)
+               printk("frequency not supported.\n");
+
+       (void) buf;
+       (void) buf_len;
+
+       div = (freq - QT1010_MIN_FREQ) / QT1010_MIN_STEP;
+       mod = (div + 16 - 9) % 16;
+
+       /* 0x5 */
+       if (div >= 377)
+               rd[2].value = 0x74;
+       else if (div >=  265)
+               rd[2].value = 0x54;
+       else if (div >=  121)
+               rd[2].value = 0x34;
+       else
+               rd[2].value = 0x14;
+
+       /* 0x7 */
+       rd[4].value = (((freq - QT1010_MIN_FREQ) / 1000000) * 9975 + 12960000) / 320000;
+
+       /* 09 */
+       if (mod < 4)
+               rd[6].value = 0x1d;
+       else
+               rd[6].value = 0x1c;
+
+       /* 0a */
+       if (mod < 2)
+               rd[7].value = 0x09;
+       else if (mod < 4)
+               rd[7].value = 0x08;
+       else if (mod < 6)
+               rd[7].value = 0x0f;
+       else if (mod < 8)
+               rd[7].value = 0x0e;
+       else if (mod < 10)
+               rd[7].value = 0x0d;
+       else if (mod < 12)
+               rd[7].value = 0x0c;
+       else if (mod < 14)
+               rd[7].value = 0x0b;
+       else
+               rd[7].value = 0x0a;
+
+       /* 0b */
+       if (div & 1)
+               rd[8].value = 0x45;
+       else
+               rd[8].value = 0x44;
+
+       /* 1a */
+       if (div & 1)
+               rd[10].value = 0x78;
+       else
+               rd[10].value = 0xf8;
+
+       /* 11 */
+       if (div >= 265)
+               rd[13].value = 0xf9;
+       else if (div >=  121)
+               rd[13].value = 0xfd;
+       else
+               rd[13].value = 0xf9;
+
+       /* 22 */
+       if (div < 201)
+               rd[15].value = 0xd0;
+       else if (div < 217)
+               rd[15].value = 0xd3;
+       else if (div < 233)
+               rd[15].value = 0xd6;
+       else if (div < 249)
+               rd[15].value = 0xd9;
+       else if (div < 265)
+               rd[15].value = 0xda;
+       else
+               rd[15].value = 0xd0;
+
+       /* 05 */
+       if (div >= 377)
+               rd[34].value = 0x70;
+       else if (div >=  265)
+               rd[34].value = 0x50;
+       else if (div >=  121)
+               rd[34].value = 0x30;
+       else
+               rd[34].value = 0x10;
+
+       /* 1f */
+       if (mod < 4)
+               rd[39].value = 0x64;
+       else if (mod < 6)
+               rd[39].value = 0x66;
+       else if (mod < 8)
+               rd[39].value = 0x67;
+       else if (mod < 12)
+               rd[39].value = 0x68;
+       else if (mod < 14)
+               rd[39].value = 0x69;
+       else
+               rd[39].value = 0x6a;
+
+       /* 20 */
+       if (mod < 4)
+               rd[40].value = 0x10;
+       else if (mod < 6)
+               rd[40].value = 0x11;
+       else if (mod < 10)
+               rd[40].value = 0x12;
+       else if (mod < 12)
+               rd[40].value = 0x13;
+       else if (mod < 14)
+               rd[40].value = 0x14;
+       else
+               rd[40].value = 0x15;
+
+       for (i = 0; i < sizeof(rd) / sizeof(*rd); i++) {
+               if (rd[i].read)
+                       continue;
+
+               msg.flags = 0;
+               msg.len = 2;
+               msg.addr = 0xc4;
+               msg.buf = &rd[i].reg;
+
+               if (i2c_transfer(&d->i2c_adap, &msg, 1) != 1) {
+                       printk("tuner write failed\n");
+                       return -EIO;
+               }
+       }
+
+       return 0;
+}
+
+#endif