V4L/DVB (5137): Dvb: add new qt1010 tuner module
QT1010:
- old qt1010-code totally rewritten and put in own kernel module
- same enhancements as my earlier QT1010 125kHz patch
- tuner initialization
- register 1f calculation
- register 20 calculation
- register 25 calculation
m920x: (MSI Megasky)
- use new QT1010 module instead of old code
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/frontends/qt1010.h b/drivers/media/dvb/frontends/qt1010.h
index 8196985..3ab4aa0 100644
--- a/drivers/media/dvb/frontends/qt1010.h
+++ b/drivers/media/dvb/frontends/qt1010.h
@@ -1,5 +1,8 @@
/*
- * qt1010.h - DVB-T Tuner support
+ * Driver for Quantek QT1010 silicon tuner
+ *
+ * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
+ * Aapo Tahkola <aet@rasterburn.org>
*
* 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
@@ -16,211 +19,35 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#ifndef _QT1010_H_
-#define _QT1010_H_
+#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
+#include "dvb_frontend.h"
-static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
+struct qt1010_config {
+ u8 i2c_address;
+};
+
+/**
+ * Attach a qt1010 tuner to the supplied frontend structure.
+ *
+ * @param fe frontend to attach to
+ * @param i2c i2c adapter to use
+ * @param cfg tuner hw based configuration
+ * @return fe pointer on success, NULL on failure
+ */
+#if defined(CONFIG_DVB_TUNER_QT1010) || (defined(CONFIG_DVB_TUNER_QT1010_MODULE) && defined(MODULE))
+extern struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ struct qt1010_config *cfg);
+#else
+static inline struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ struct qt1010_config *cfg)
{
- 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_adapter *adap = fe->dvb->priv;
- unsigned long freq = params->frequency;
-
- if (freq % QT1010_MIN_STEP)
- printk("frequency not supported.\n");
-
- 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 = adap->dev->adapter[0].pll_addr;
- msg.buf = &rd[i].reg;
-
- if (i2c_transfer(&adap->dev->i2c_adap, &msg, 1) != 1) {
- printk("tuner write failed\n");
- return -EIO;
- }
- }
-
- return 0;
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+ return NULL;
}
+#endif // CONFIG_DVB_TUNER_QT1010
-static int qt1010_tuner_attach(struct dvb_usb_adapter *adap)
-{
- adap->pll_addr = 0xc4;
- adap->pll_desc = NULL;
- adap->fe->ops.tuner_ops.set_params = qt1010_set_params;
-
- return 0;
-}
#endif