V4L/DVB (9026): Add support for ST STV0288 demodulator and cards with it.

Add support for ST STV0288 demodulator and cards with it,
such as TeVii S420.
Patch is co-authored with Georg Acher <acher@baycom.de>
Signed-off-by: Georg Acher <acher@baycom.de>
Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dm1105/dm1105.c

@@ -39,8 +39,8 @@
 #include "dvb-pll.h"
 
 #include "stv0299.h"
-/*#include "stv0288.h"
- *#include "stb6000.h"*/
+#include "stv0288.h"
+#include "stb6000.h"
 #include "si21xx.h"
 #include "cx24116.h"
 #include "z0194a.h"
@@ -594,13 +594,12 @@ static void dm1105dvb_hw_exit(struct dm1105dvb *dm1105dvb)
 
 	dm1105dvb_dma_unmap(dm1105dvb);
 }
-#if 0
+
 static struct stv0288_config earda_config = {
 	.demod_address = 0x68,
 	.min_delay_ms = 100,
 };
 
-#endif /* keep */
 static struct si21xx_config serit_config = {
 	.demod_address = 0x68,
 	.min_delay_ms = 100,
@@ -627,7 +626,7 @@ static int __devinit frontend_init(struct dm1105dvb *dm1105dvb)
 			dvb_attach(dvb_pll_attach, dm1105dvb->fe, 0x60,
 					&dm1105dvb->i2c_adap, DVB_PLL_OPERA1);
 		}
-#if 0
+
 		if (!dm1105dvb->fe) {
 			dm1105dvb->fe = dvb_attach(
 				stv0288_attach, &earda_config,
@@ -639,7 +638,7 @@ static int __devinit frontend_init(struct dm1105dvb *dm1105dvb)
 						&dm1105dvb->i2c_adap);
 			}
 		}
-#endif /* keep */
+
 		if (!dm1105dvb->fe) {
 			dm1105dvb->fe = dvb_attach(
 				si21xx_attach, &serit_config,

drivers/media/dvb/frontends/Kconfig

@@ -43,6 +43,20 @@ config DVB_S5H1420
 	help
 	  A DVB-S tuner module. Say Y when you want to support this frontend.
 
+config DVB_STV0288
+	tristate "ST STV0288 based"
+	depends on DVB_CORE && I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A DVB-S tuner module. Say Y when you want to support this frontend.
+
+config DVB_STB6000
+	tristate "ST STB6000 silicon tuner"
+	depends on DVB_CORE && I2C
+	default m if DVB_FE_CUSTOMISE
+	  help
+	  A DVB-S silicon tuner module. Say Y when you want to support this tuner.
+
 config DVB_STV0299
 	tristate "ST STV0299 based"
 	depends on DVB_CORE && I2C

drivers/media/dvb/frontends/Makefile

@@ -53,3 +53,5 @@ obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o
 obj-$(CONFIG_DVB_AF9013) += af9013.o
 obj-$(CONFIG_DVB_CX24116) += cx24116.o
 obj-$(CONFIG_DVB_SI21XX) += si21xx.o
+obj-$(CONFIG_DVB_STV0299) += stv0288.o
+obj-$(CONFIG_DVB_STB6000) += stb6000.o

drivers/media/dvb/frontends/stb6000.c

+  /*
+     Driver for ST STB6000 DVBS Silicon tuner
+
+     Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
+
+     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.
+
+  */
+
+#include <linux/module.h>
+#include <linux/dvb/frontend.h>
+#include <asm/types.h>
+
+#include "stb6000.h"
+
+static int debug;
+#define dprintk(args...) \
+	do { \
+		if (debug) \
+			printk(KERN_DEBUG "stb6000: " args); \
+	} while (0)
+
+struct stb6000_priv {
+	/* i2c details */
+	int i2c_address;
+	struct i2c_adapter *i2c;
+	u32 frequency;
+};
+
+static int stb6000_release(struct dvb_frontend *fe)
+{
+	kfree(fe->tuner_priv);
+	fe->tuner_priv = NULL;
+	return 0;
+}
+
+static int stb6000_sleep(struct dvb_frontend *fe)
+{
+	struct stb6000_priv *priv = fe->tuner_priv;
+	int ret;
+	u8 buf[] = { 10, 0 };
+	struct i2c_msg msg = {
+		.addr = priv->i2c_address,
+		.flags = 0,
+		.buf = buf,
+		.len = 2
+	};
+
+	dprintk("%s:\n", __func__);
+
+	if (fe->ops.i2c_gate_ctrl)
+		fe->ops.i2c_gate_ctrl(fe, 1);
+
+	ret = i2c_transfer(priv->i2c, &msg, 1);
+	if (ret != 1)
+		dprintk("%s: i2c error\n", __func__);
+
+	if (fe->ops.i2c_gate_ctrl)
+		fe->ops.i2c_gate_ctrl(fe, 0);
+
+	return (ret == 1) ? 0 : ret;
+}
+
+static int stb6000_set_params(struct dvb_frontend *fe,
+				struct dvb_frontend_parameters *params)
+{
+	struct stb6000_priv *priv = fe->tuner_priv;
+	unsigned int n, m;
+	int ret;
+	u32 freq_mhz;
+	int bandwidth;
+	u8 buf[12];
+	struct i2c_msg msg = {
+		.addr = priv->i2c_address,
+		.flags = 0,
+		.buf = buf,
+		.len = 12
+	};
+
+	dprintk("%s:\n", __func__);
+
+	freq_mhz = params->frequency / 1000;
+	bandwidth = params->u.qpsk.symbol_rate / 1000000;
+
+	if (bandwidth > 31)
+		bandwidth = 31;
+
+	if ((freq_mhz > 949) && (freq_mhz < 2151)) {
+		buf[0] = 0x01;
+		buf[1] = 0xac;
+		if (freq_mhz < 1950)
+			buf[1] = 0xaa;
+		if (freq_mhz < 1800)
+			buf[1] = 0xa8;
+		if (freq_mhz < 1650)
+			buf[1] = 0xa6;
+		if (freq_mhz < 1530)
+			buf[1] = 0xa5;
+		if (freq_mhz < 1470)
+			buf[1] = 0xa4;
+		if (freq_mhz < 1370)
+			buf[1] = 0xa2;
+		if (freq_mhz < 1300)
+			buf[1] = 0xa1;
+		if (freq_mhz < 1200)
+			buf[1] = 0xa0;
+		if (freq_mhz < 1075)
+			buf[1] = 0xbc;
+		if (freq_mhz < 1000)
+			buf[1] = 0xba;
+		if (freq_mhz < 1075) {
+			n = freq_mhz / 8; /* vco=lo*4 */
+			m = 2;
+		} else {
+			n = freq_mhz / 16; /* vco=lo*2 */
+			m = 1;
+		}
+		buf[2] = n >> 1;
+		buf[3] = (unsigned char)(((n & 1) << 7) |
+					(m * freq_mhz - n * 16) | 0x60);
+		buf[4] = 0x04;
+		buf[5] = 0x0e;
+
+		buf[6] = (unsigned char)(bandwidth);
+
+		buf[7] = 0xd8;
+		buf[8] = 0xd0;
+		buf[9] = 0x50;
+		buf[10] = 0xeb;
+		buf[11] = 0x4f;
+
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 1);
+
+		ret = i2c_transfer(priv->i2c, &msg, 1);
+		if (ret != 1)
+			dprintk("%s: i2c error\n", __func__);
+
+		udelay(10);
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 0);
+
+		buf[0] = 0x07;
+		buf[1] = 0xdf;
+		buf[2] = 0xd0;
+		buf[3] = 0x50;
+		buf[4] = 0xfb;
+		msg.len = 5;
+
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 1);
+
+		ret = i2c_transfer(priv->i2c, &msg, 1);
+		if (ret != 1)
+			dprintk("%s: i2c error\n", __func__);
+
+		udelay(10);
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 0);
+
+		priv->frequency = freq_mhz * 1000;
+
+		return (ret == 1) ? 0 : ret;
+	}
+	return -1;
+}
+
+static int stb6000_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+	struct stb6000_priv *priv = fe->tuner_priv;
+	*frequency = priv->frequency;
+	return 0;
+}
+
+static struct dvb_tuner_ops stb6000_tuner_ops = {
+	.info = {
+		.name = "ST STB6000",
+		.frequency_min = 950000,
+		.frequency_max = 2150000
+	},
+	.release = stb6000_release,
+	.sleep = stb6000_sleep,
+	.set_params = stb6000_set_params,
+	.get_frequency = stb6000_get_frequency,
+};
+
+struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, int addr,
+						struct i2c_adapter *i2c)
+{
+	struct stb6000_priv *priv = NULL;
+	u8 b1[] = { 0, 0 };
+	struct i2c_msg msg[2] = {
+		{
+			.addr = addr,
+			.flags = 0,
+			.buf = NULL,
+			.len = 0
+		}, {
+			.addr = addr,
+			.flags = I2C_M_RD,
+			.buf = b1,
+			.len = 2
+		}
+	};
+	int ret;
+
+	dprintk("%s:\n", __func__);
+
+	if (fe->ops.i2c_gate_ctrl)
+		fe->ops.i2c_gate_ctrl(fe, 1);
+
+	/* is some i2c device here ? */
+	ret = i2c_transfer(i2c, msg, 2);
+	if (fe->ops.i2c_gate_ctrl)
+		fe->ops.i2c_gate_ctrl(fe, 0);
+
+	if (ret != 2)
+		return NULL;
+
+	priv = kzalloc(sizeof(struct stb6000_priv), GFP_KERNEL);
+	if (priv == NULL)
+		return NULL;
+
+	priv->i2c_address = addr;
+	priv->i2c = i2c;
+
+	memcpy(&fe->ops.tuner_ops, &stb6000_tuner_ops,
+				sizeof(struct dvb_tuner_ops));
+
+	fe->tuner_priv = priv;
+
+	return fe;
+}
+EXPORT_SYMBOL(stb6000_attach);
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
+
+MODULE_DESCRIPTION("DVB STB6000 driver");
+MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
+MODULE_LICENSE("GPL");

drivers/media/dvb/frontends/stb6000.h

+  /*
+     Driver for ST stb6000 DVBS Silicon tuner
+
+     Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
+
+     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 __DVB_STB6000_H__
+#define __DVB_STB6000_H__
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+/**
+ * Attach a stb6000 tuner to the supplied frontend structure.
+ *
+ * @param fe Frontend to attach to.
+ * @param addr i2c address of the tuner.
+ * @param i2c i2c adapter to use.
+ * @return FE pointer on success, NULL on failure.
+ */
+#if defined(CONFIG_DVB_STB6000) || (defined(CONFIG_DVB_STB6000_MODULE) \
+							&& defined(MODULE))
+extern struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, int addr,
+					   struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe,
+						  int addr,
+						  struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_DVB_STB6000 */
+
+#endif /* __DVB_STB6000_H__ */

drivers/media/dvb/frontends/stv0288.h

+/*
+	Driver for ST STV0288 demodulator
+
+	Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de
+		for Reel Multimedia
+	Copyright (C) 2008 TurboSight.com, <bob@turbosight.com>
+	Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
+		Removed stb6000 specific tuner code and revised some
+		procedures.
+
+	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 STV0288_H
+#define STV0288_H
+
+#include <linux/dvb/frontend.h>
+#include "dvb_frontend.h"
+
+struct stv0288_config {
+	/* the demodulator's i2c address */
+	u8 demod_address;
+
+	/* minimum delay before retuning */
+	int min_delay_ms;
+
+	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
+};
+
+#if defined(CONFIG_DVB_STV0288) || (defined(CONFIG_DVB_STV0288_MODULE) && \
+							defined(MODULE))
+extern struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
+					   struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
+					   struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_DVB_STV0288 */
+
+static inline int stv0288_writereg(struct dvb_frontend *fe, u8 reg, u8 val)
+{
+	int r = 0;
+	u8 buf[] = { reg, val };
+	if (fe->ops.write)
+		r = fe->ops.write(fe, buf, 2);
+	return r;
+}
+
+#endif /* STV0288_H */

drivers/media/dvb/frontends/stv0299.c

@@ -559,6 +559,8 @@ static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 	int invval = 0;
 
 	dprintk ("%s : FE_SET_FRONTEND\n", __func__);
+	if (state->config->set_ts_params)
+		state->config->set_ts_params(fe, 0);
 
 	// set the inversion
 	if (p->inversion == INVERSION_OFF) invval = 0;

drivers/media/dvb/frontends/stv0299.h

@@ -89,15 +89,18 @@ struct stv0299_config
 	int min_delay_ms;
 
 	/* Set the symbol rate */
-	int (*set_symbol_rate)(struct dvb_frontend* fe, u32 srate, u32 ratio);
+	int (*set_symbol_rate)(struct dvb_frontend *fe, u32 srate, u32 ratio);
+
+	/* Set device param to start dma */
+	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
 };
 
 #if defined(CONFIG_DVB_STV0299) || (defined(CONFIG_DVB_STV0299_MODULE) && defined(MODULE))
-extern struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
-					   struct i2c_adapter* i2c);
+extern struct dvb_frontend *stv0299_attach(const struct stv0299_config *config,
+					   struct i2c_adapter *i2c);
 #else
-static inline struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
-					   struct i2c_adapter* i2c)
+static inline struct dvb_frontend *stv0299_attach(const struct stv0299_config *config,
+					   struct i2c_adapter *i2c)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;

drivers/media/video/cx88/Kconfig

@@ -59,6 +59,9 @@ config VIDEO_CX88_DVB
 	select MEDIA_TUNER_SIMPLE if !DVB_FE_CUSTOMISE
 	select DVB_S5H1411 if !DVB_FE_CUSTOMISE
 	select DVB_CX24116 if !DVB_FE_CUSTOMISE
+	select DVB_STV0299 if !DVB_FE_CUSTOMISE
+	select DVB_STV0288 if !DVB_FE_CUSTOMISE
+	select DVB_STB6000 if !DVB_FE_CUSTOMISE
 	---help---
 	  This adds support for DVB/ATSC cards based on the
 	  Conexant 2388x chip.

drivers/media/video/cx88/cx88-cards.c

@@ -1732,6 +1732,18 @@ static const struct cx88_board cx88_boards[] = {
 		} },
 		.mpeg           = CX88_MPEG_DVB,
 	},
+	[CX88_BOARD_TEVII_S420] = {
+		.name           = "TeVii S420 DVB-S",
+		.tuner_type     = UNSET,
+		.radio_type     = UNSET,
+		.tuner_addr     = ADDR_UNSET,
+		.radio_addr     = ADDR_UNSET,
+		.input          = {{
+			.type   = CX88_VMUX_DVB,
+			.vmux   = 0,
+		} },
+		.mpeg           = CX88_MPEG_DVB,
+	},
 	[CX88_BOARD_TEVII_S460] = {
 		.name           = "TeVii S460 DVB-S/S2",
 		.tuner_type     = UNSET,
@@ -2138,7 +2150,11 @@ static const struct cx88_subid cx88_subids[] = {
 		.subdevice = 0x6906,
 		.card      = CX88_BOARD_HAUPPAUGE_HVR4000LITE,
 	}, {
-		.subvendor = 0xD460,
+		.subvendor = 0xd420,
+		.subdevice = 0x9022,
+		.card      = CX88_BOARD_TEVII_S420,
+	}, {
+		.subvendor = 0xd460,
 		.subdevice = 0x9022,
 		.card      = CX88_BOARD_TEVII_S460,
 	}, {
@@ -2730,6 +2746,7 @@ static void cx88_card_setup(struct cx88_core *core)
 		cx88_call_i2c_clients(core, TUNER_SET_CONFIG, &tea5767_cfg);
 		break;
 	}
+	case  CX88_BOARD_TEVII_S420:
 	case  CX88_BOARD_TEVII_S460:
 		cx_write(MO_SRST_IO, 0);
 		msleep(100);

drivers/media/video/cx88/cx88-dvb.c

@@ -48,6 +48,10 @@
 #include "tuner-simple.h"
 #include "tda9887.h"
 #include "s5h1411.h"
+#include "stv0299.h"
+#include "z0194a.h"
+#include "stv0288.h"
+#include "stb6000.h"
 #include "cx24116.h"
 
 MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
@@ -579,6 +583,25 @@ static struct cx24116_config tevii_s460_config = {
 	.reset_device  = cx24116_reset_device,
 };
 
+static struct stv0299_config tevii_tuner_sharp_config = {
+	.demod_address = 0x68,
+	.inittab = sharp_z0194a__inittab,
+	.mclk = 88000000UL,
+	.invert = 1,
+	.skip_reinit = 0,
+	.lock_output = 1,
+	.volt13_op0_op1 = STV0299_VOLT13_OP1,
+	.min_delay_ms = 100,
+	.set_symbol_rate = sharp_z0194a__set_symbol_rate,
+	.set_ts_params = cx24116_set_ts_param,
+};
+
+static struct stv0288_config tevii_tuner_earda_config = {
+	.demod_address = 0x68,
+	.min_delay_ms = 100,
+	.set_ts_params = cx24116_set_ts_param,
+};
+
 static int dvb_register(struct cx8802_dev *dev)
 {
 	struct cx88_core *core = dev->core;
@@ -949,6 +972,31 @@ static int dvb_register(struct cx8802_dev *dev)
 				0x08, ISL6421_DCL, 0x00);
 		}
 		break;
+	case CX88_BOARD_TEVII_S420:
+		dev->dvb.frontend = dvb_attach(stv0299_attach,
+						&tevii_tuner_sharp_config,
+						&core->i2c_adap);
+		if (dev->dvb.frontend != NULL) {
+			if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
+					&core->i2c_adap, DVB_PLL_OPERA1))
+				goto frontend_detach;
+			core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
+			dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
+
+		} else {
+			dev->dvb.frontend = dvb_attach(stv0288_attach,
+							    &tevii_tuner_earda_config,
+							    &core->i2c_adap);
+				if (dev->dvb.frontend != NULL) {
+					if (!dvb_attach(stb6000_attach, dev->dvb.frontend, 0x61,
+						&core->i2c_adap))
+					goto frontend_detach;
+				core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
+				dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
+
+			}
+		}
+		break;
 	case CX88_BOARD_TEVII_S460:
 		dev->dvb.frontend = dvb_attach(cx24116_attach,
 					       &tevii_s460_config,

drivers/media/video/cx88/cx88.h

@@ -226,6 +226,7 @@ extern struct sram_channel cx88_sram_channels[];
 #define CX88_BOARD_TEVII_S460              70
 #define CX88_BOARD_OMICOM_SS4_PCI          71
 #define CX88_BOARD_TBS_8920                72
+#define CX88_BOARD_TEVII_S420              73
 
 enum cx88_itype {
 	CX88_VMUX_COMPOSITE1 = 1,