Re: [PATCH] TT Budget 1500 S

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Perceval Anichini wrote:
> > Because I don't like to have another copy of the LNBP21 code in the
> > tree, I'm working on a patch which moves LNBP21 and BSBE1 stuff to
> > separate files. Doing that requires some other changes as well.
> > I'll post it to the list for discussion asap.
> 	Ok.

Here we go...

Attached you'll find a patch which
- moves LNBP21 stuff to frontends/lnbp21.h (completely rewritten)
- moves tuner code for ALPS BSBE1 to frontends/bsbe1.h
- adapts budget.c accordingly (with high voltage)

Hopefully it works. I don't have a lnbp21 card. ;-)

@all:
Please review. The patch moves duplicated code out of the the card
driver to a single place. I will continue with other card drivers and
tuners later.

@Perceval:
Moving the card to budget-ci.c should be very simple now:
- include "bsbe1.h"
- include "lnbp21.h"
- move card description etc. to budget-ci

> > > Moreover, the budget.c and budget_ci.c structure is not the same. (And
> > > the same modification in budget_ci is even uglier !!!!), so maybe it
> > > would be a better idea to move first the code handling the card from
> > > budget.c to budget-ci.c, and then modify the LNB stuff ???????
> > 
> > Sooner or later, the 3 budget drivers should be merged into one driver.
> > Requires a lot of work: CI/IR/AV code must be factored out, etc.
> 	Errr. Ok. If I can help on this, do not hesitate to ask... I'll
> be glad to contribute...

Great, all improvements are welcome. :)

> Now, what roadmap would you prefer ?
> 
> (1)
> Send a new patch series organized as this :
> 	1/2 -> Move 0x1017 handling to budget-ci
> 	2/2 -> Change the LLC bit (after measuring card output to be
> 	       sure it won't kills the LNB (?))
> 
> Or :
> (2)
> 	1/2 -> LLC bit modification
> 	2/2 -> Move from budget to budget-ci.
> 
> Or :
> (3)
> 	Wait first for LNBP21 modification from you, then (1) or (2)
> 
> (4)
> 	Wait first for the whole ttpci part to be rewriten, and we'll
> see then...
> 
> ??

My patch implements (3)+(2-1/2). Please provide a patch for (2-2/2).

When our patches have been accepted I will checkin the patches into the
Hg repository. Then we can decide what to do next.
Unfortunately my time is very limited. :(

Small steps are preferable:
(1) pull out CI stuff from budget-ci
(2) pull out IR stuff from budget.ci
(3) now budget and budget-ci should look very similar -> merge them.
(The same can be done with budget-av.c later.)

> > > 	Wouldn't it be a good idea to start a README file in the ttpci tree
> > > which sums up the association PCI subsystem ID -> Full card name.
> > > I guess this does exists in the wiki or somewhere, but I didn't find
> > > it (to my great shame !)
> > 
> > http://linuxtv.org/wiki/index.php/Supported_DVB_cards
> > http://linuxtv.org/wiki/index.php/PCI_devices_DVB-S
> > 
> > It would be nice if you could add an entry for this card.
> > Thank you.
> 	Okay, will do it. Just a question : how do i know if a card
> is fullts, or only partial ts ?

You have to check the datasheets.
All saa7146-based budget cards are full-ts.

CU
Oliver

-- 
--------------------------------------------------------
VDR Remote Plugin available at
http://www.escape-edv.de/endriss/vdr/
--------------------------------------------------------
diff -r 77c0ae0465f7 linux/drivers/media/dvb/dvb-core/dvb_frontend.h
--- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.h	Fri Feb 24 00:42:02 2006 -0300
+++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.h	Fri Feb 24 16:12:24 2006 +0100
@@ -104,6 +104,7 @@ struct dvb_frontend {
 	struct dvb_adapter *dvb;
 	void* demodulator_priv;
 	void* frontend_priv;
+	void* misc_priv;
 };
 
 extern int dvb_register_frontend(struct dvb_adapter* dvb,
diff -r 77c0ae0465f7 linux/drivers/media/dvb/ttpci/budget.c
--- a/linux/drivers/media/dvb/ttpci/budget.c	Fri Feb 24 00:42:02 2006 -0300
+++ b/linux/drivers/media/dvb/ttpci/budget.c	Fri Feb 24 16:12:24 2006 +0100
@@ -41,6 +41,8 @@
 #include "l64781.h"
 #include "tda8083.h"
 #include "s5h1420.h"
+#include "lnbp21.h"
+#include "bsbe1.h"
 
 static void Set22K (struct budget *budget, int state)
 {
@@ -181,64 +183,6 @@ static int budget_diseqc_send_burst(stru
 
 	SendDiSEqCMsg (budget, 0, NULL, minicmd);
 
-	return 0;
-}
-
-static int lnbp21_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
-{
-	struct budget* budget = (struct budget*) fe->dvb->priv;
-	u8 buf;
-	struct i2c_msg msg = { .addr = 0x08, .flags = I2C_M_RD, .buf = &buf, .len = sizeof(buf) };
-
-	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
-
-	switch(voltage) {
-	case SEC_VOLTAGE_13:
-		buf = (buf & 0xf7) | 0x04;
-		break;
-
-	case SEC_VOLTAGE_18:
-		buf = (buf & 0xf7) | 0x0c;
-		break;
-
-	case SEC_VOLTAGE_OFF:
-		buf = buf & 0xf0;
-		break;
-	}
-
-	msg.flags = 0;
-	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
-
-	return 0;
-}
-
-static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend* fe, long arg)
-{
-	struct budget* budget = (struct budget*) fe->dvb->priv;
-	u8 buf;
-	struct i2c_msg msg = { .addr = 0x08, .flags = I2C_M_RD, .buf = &buf, .len = sizeof(buf) };
-
-	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
-
-	if (arg) {
-		buf = buf | 0x10;
-	} else {
-		buf = buf & 0xef;
-	}
-
-	msg.flags = 0;
-	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
-
-	return 0;
-}
-
-static int lnbp21_init(struct budget* budget)
-{
-	u8 buf = 0x00;
-	struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = &buf, .len = sizeof(buf) };
-
-	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1)
-		return -EIO;
 	return 0;
 }
 
@@ -374,79 +318,6 @@ static struct stv0299_config alps_bsru6_
 	.pll_set = alps_bsru6_pll_set,
 };
 
-static u8 alps_bsbe1_inittab[] = {
-	0x01, 0x15,
-	0x02, 0x30,
-	0x03, 0x00,
-	0x04, 0x7d,  /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
-	0x05, 0x35,  /* I2CT = 0, SCLT = 1, SDAT = 1 */
-	0x06, 0x40,  /* DAC not used, set to high impendance mode */
-	0x07, 0x00,  /* DAC LSB */
-	0x08, 0x40,  /* DiSEqC off, LNB power on OP2/LOCK pin on */
-	0x09, 0x00,  /* FIFO */
-	0x0c, 0x51,  /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
-	0x0d, 0x82,  /* DC offset compensation = ON, beta_agc1 = 2 */
-	0x0e, 0x23,  /* alpha_tmg = 2, beta_tmg = 3 */
-	0x10, 0x3f,  // AGC2 0x3d
-	0x11, 0x84,
-	0x12, 0xb9,
-	0x15, 0xc9,  // lock detector threshold
-	0x16, 0x00,
-	0x17, 0x00,
-	0x18, 0x00,
-	0x19, 0x00,
-	0x1a, 0x00,
-	0x1f, 0x50,
-	0x20, 0x00,
-	0x21, 0x00,
-	0x22, 0x00,
-	0x23, 0x00,
-	0x28, 0x00, // out imp: normal out type: parallel FEC mode:0
-	0x29, 0x1e, // 1/2 threshold
-	0x2a, 0x14, // 2/3 threshold
-	0x2b, 0x0f, // 3/4 threshold
-	0x2c, 0x09, // 5/6 threshold
-	0x2d, 0x05, // 7/8 threshold
-	0x2e, 0x01,
-	0x31, 0x1f, // test all FECs
-	0x32, 0x19, // viterbi and synchro search
-	0x33, 0xfc, // rs control
-	0x34, 0x93, // error control
-	0x0f, 0x92, // 0x80 = inverse AGC
-	0xff, 0xff
-};
-
-static int alps_bsbe1_pll_set(struct dvb_frontend* fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters* params)
-{
-	int ret;
-	u8 data[4];
-	u32 div;
-	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
-
-	if ((params->frequency < 950000) || (params->frequency > 2150000))
-		return -EINVAL;
-
-	div = (params->frequency + (125 - 1)) / 125; // round correctly
-	data[0] = (div >> 8) & 0x7f;
-	data[1] = div & 0xff;
-	data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
-	data[3] = (params->frequency > 1530000) ? 0xE0 : 0xE4;
-
-	ret = i2c_transfer(i2c, &msg, 1);
-	return (ret != 1) ? -EIO : 0;
-}
-
-static struct stv0299_config alps_bsbe1_config = {
-	.demod_address = 0x68,
-	.inittab = alps_bsbe1_inittab,
-	.mclk = 88000000UL,
-	.invert = 1,
-	.skip_reinit = 0,
-	.min_delay_ms = 100,
-	.set_symbol_rate = alps_bsru6_set_symbol_rate,
-	.pll_set = alps_bsbe1_pll_set,
-};
-
 static int alps_tdbe2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;
@@ -587,7 +458,7 @@ static void frontend_init(struct budget 
 			budget->dvb_frontend->ops->set_voltage = lnbp21_set_voltage;
 			budget->dvb_frontend->ops->enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
 			budget->dvb_frontend->ops->dishnetwork_send_legacy_command = NULL;
-			if (lnbp21_init(budget)) {
+			if (lnbp21_init(budget->dvb_frontend, &budget->i2c_adap, LNBP21_LLC, 0)) {
 				printk("%s: No LNBP21 found!\n", __FUNCTION__);
 				goto error_out;
 			}
@@ -648,7 +519,7 @@ static void frontend_init(struct budget 
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops->set_voltage = lnbp21_set_voltage;
 			budget->dvb_frontend->ops->enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
-			if (lnbp21_init(budget)) {
+			if (lnbp21_init(budget->dvb_frontend, &budget->i2c_adap, 0, 0)) {
 				printk("%s: No LNBP21 found!\n", __FUNCTION__);
 				goto error_out;
 			}
diff -r 77c0ae0465f7 linux/drivers/media/dvb/frontends/bsbe1.h
--- /dev/null	Thu Jan  1 00:00:00 1970 +0000
+++ b/linux/drivers/media/dvb/frontends/bsbe1.h	Fri Feb 24 16:12:24 2006 +0100
@@ -0,0 +1,122 @@
+/*
+ * bsbe1.h - ALPS BSBE1 tuner support (moved from av7110.c)
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ *
+ *
+ * the project's page is at http://www.linuxtv.org
+ */
+
+#ifndef BSBE1_H
+#define BSBE1_H
+
+static u8 alps_bsbe1_inittab[] = {
+	0x01, 0x15,
+	0x02, 0x30,
+	0x03, 0x00,
+	0x04, 0x7d,   /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
+	0x05, 0x35,   /* I2CT = 0, SCLT = 1, SDAT = 1 */
+	0x06, 0x40,   /* DAC not used, set to high impendance mode */
+	0x07, 0x00,   /* DAC LSB */
+	0x08, 0x40,   /* DiSEqC off, LNB power on OP2/LOCK pin on */
+	0x09, 0x00,   /* FIFO */
+	0x0c, 0x51,   /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
+	0x0d, 0x82,   /* DC offset compensation = ON, beta_agc1 = 2 */
+	0x0e, 0x23,   /* alpha_tmg = 2, beta_tmg = 3 */
+	0x10, 0x3f,   // AGC2  0x3d
+	0x11, 0x84,
+	0x12, 0xb9,
+	0x15, 0xc9,   // lock detector threshold
+	0x16, 0x00,
+	0x17, 0x00,
+	0x18, 0x00,
+	0x19, 0x00,
+	0x1a, 0x00,
+	0x1f, 0x50,
+	0x20, 0x00,
+	0x21, 0x00,
+	0x22, 0x00,
+	0x23, 0x00,
+	0x28, 0x00,  // out imp: normal  out type: parallel FEC mode:0
+	0x29, 0x1e,  // 1/2 threshold
+	0x2a, 0x14,  // 2/3 threshold
+	0x2b, 0x0f,  // 3/4 threshold
+	0x2c, 0x09,  // 5/6 threshold
+	0x2d, 0x05,  // 7/8 threshold
+	0x2e, 0x01,
+	0x31, 0x1f,  // test all FECs
+	0x32, 0x19,  // viterbi and synchro search
+	0x33, 0xfc,  // rs control
+	0x34, 0x93,  // error control
+	0x0f, 0x92,
+	0xff, 0xff
+};
+
+
+static int alps_bsbe1_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
+{
+	u8 aclk = 0;
+	u8 bclk = 0;
+
+	if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
+	else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
+	else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
+	else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
+	else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
+	else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }
+
+	stv0299_writereg(fe, 0x13, aclk);
+	stv0299_writereg(fe, 0x14, bclk);
+	stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
+	stv0299_writereg(fe, 0x20, (ratio >>  8) & 0xff);
+	stv0299_writereg(fe, 0x21, (ratio      ) & 0xf0);
+
+	return 0;
+}
+
+static int alps_bsbe1_pll_set(struct dvb_frontend* fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters* params)
+{
+	int ret;
+	u8 data[4];
+	u32 div;
+	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
+
+	if ((params->frequency < 950000) || (params->frequency > 2150000))
+		return -EINVAL;
+
+	div = (params->frequency + (125 - 1)) / 125; // round correctly
+	data[0] = (div >> 8) & 0x7f;
+	data[1] = div & 0xff;
+	data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
+	data[3] = (params->frequency > 1530000) ? 0xE0 : 0xE4;
+
+	ret = i2c_transfer(i2c, &msg, 1);
+	return (ret != 1) ? -EIO : 0;
+}
+
+static struct stv0299_config alps_bsbe1_config = {
+	.demod_address = 0x68,
+	.inittab = alps_bsbe1_inittab,
+	.mclk = 88000000UL,
+	.invert = 1,
+	.skip_reinit = 0,
+	.min_delay_ms = 100,
+	.set_symbol_rate = alps_bsbe1_set_symbol_rate,
+	.pll_set = alps_bsbe1_pll_set,
+};
+
+#endif
diff -r 77c0ae0465f7 linux/drivers/media/dvb/frontends/lnbp21.h
--- /dev/null	Thu Jan  1 00:00:00 1970 +0000
+++ b/linux/drivers/media/dvb/frontends/lnbp21.h	Fri Feb 24 16:12:24 2006 +0100
@@ -0,0 +1,135 @@
+/*
+ * lnbp21.h - driver for lnb supply and control ic lnbp21
+ *
+ * Copyright (C) 2006 Oliver Endriss
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ *
+ *
+ * the project's page is at http://www.linuxtv.org
+ */
+
+#ifndef _LNBP21_H
+#define _LNBP21_H
+
+/* system register */
+#define LNBP21_OLF	0x01
+#define LNBP21_OTF	0x02
+#define LNBP21_EN	0x04
+#define LNBP21_VSEL	0x08
+#define LNBP21_LLC	0x10
+#define LNBP21_TEN	0x20
+#define LNBP21_ISEL	0x40
+#define LNBP21_PCL	0x80
+
+struct lnbp21 {
+	u8			config;
+	u8			override_or;
+	u8			override_and;
+	struct i2c_adapter	*i2c;
+	void			(*release_chain)(struct dvb_frontend* fe);
+};
+
+static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
+	struct i2c_msg msg = {	.addr = 0x08, .flags = 0,
+				.buf = &lnbp21->config,
+				.len = sizeof(lnbp21->config) };
+
+	lnbp21->config &= ~(LNBP21_VSEL | LNBP21_EN);
+
+	switch(voltage) {
+	case SEC_VOLTAGE_OFF:
+		break;
+	case SEC_VOLTAGE_13:
+		lnbp21->config |= LNBP21_EN;
+		break;
+	case SEC_VOLTAGE_18:
+		lnbp21->config |= (LNBP21_EN | LNBP21_VSEL);
+		break;
+	default:
+		return -EINVAL;
+	};
+
+	lnbp21->config |= lnbp21->override_or;
+	lnbp21->config &= lnbp21->override_and;
+
+	return (i2c_transfer(lnbp21->i2c, &msg, 1) == 1) ? 0 : -EIO;
+}
+
+static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
+{
+	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
+	struct i2c_msg msg = {	.addr = 0x08, .flags = 0,
+				.buf = &lnbp21->config,
+				.len = sizeof(lnbp21->config) };
+
+	if (arg)
+		lnbp21->config |= LNBP21_LLC;
+	else
+		lnbp21->config &= ~LNBP21_LLC;
+
+	lnbp21->config |= lnbp21->override_or;
+	lnbp21->config &= lnbp21->override_and;
+
+	return (i2c_transfer(lnbp21->i2c, &msg, 1) == 1) ? 0 : -EIO;
+}
+
+static void lnbp21_exit(struct dvb_frontend *fe)
+{
+	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
+
+	/* LNBP power off */
+	lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF);
+
+	/* free data & call next release routine */
+	fe->ops->release = lnbp21->release_chain;
+	kfree(fe->misc_priv);
+	fe->misc_priv = NULL;
+	if (fe->ops->release)
+		fe->ops->release(fe);
+}
+
+static int lnbp21_init(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
+{
+	struct lnbp21 *lnbp21 = kmalloc(sizeof(struct lnbp21), GFP_KERNEL);
+
+	if (!lnbp21)
+		return -ENOMEM;
+
+	/* default configuration */
+	lnbp21->config = LNBP21_ISEL;
+
+	/* bits which should be forced to '1' */
+	lnbp21->override_or = override_set;
+
+	/* bits which should be forced to '0' */
+	lnbp21->override_and = ~override_clear;
+
+	/* install release callback */
+	lnbp21->release_chain = fe->ops->release;
+	fe->ops->release = lnbp21_exit;
+
+	lnbp21->i2c = i2c;
+	fe->misc_priv = lnbp21;
+
+	return lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF);
+}
+
+#endif
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