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-rw-r--r--drivers/media/dvb/dvb-usb/m920x.c204
-rw-r--r--drivers/media/dvb/frontends/qt1010.h221
2 files changed, 222 insertions, 203 deletions
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c
index 5ab16b15b95..292805aad69 100644
--- a/drivers/media/dvb/dvb-usb/m920x.c
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -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
index 00000000000..e526e3c2326
--- /dev/null
+++ b/drivers/media/dvb/frontends/qt1010.h
@@ -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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 16:04:00 +0000