V4L/DVB (7569): Added support for SkyStar2 rev2.7 and ITD1000 DVB-S tuner (ca19aaa5) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/media/dvb/b2c2/Kconfig

+2 −0

Original line number	Diff line number	Diff line
		@@ -10,6 +10,8 @@ config DVB_B2C2_FLEXCOP
		select DVB_BCM3510 if !DVB_FE_CUSTOMISE
		select DVB_LGDT330X if !DVB_FE_CUSTOMISE
		select TUNER_SIMPLE if !DVB_FE_CUSTOMISE
		select DVB_S5H1420 if !DVB_FE_CUSTOMISE
		select DVB_TUNER_ITD1000 if !DVB_FE_CUSTOMISE
		select DVB_ISL6421 if !DVB_FE_CUSTOMISE
		select DVB_CX24123 if !DVB_FE_CUSTOMISE
		help

drivers/media/dvb/b2c2/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -2,6 +2,7 @@ b2c2-flexcop-objs = flexcop.o flexcop-fe-tuner.o flexcop-i2c.o \
		flexcop-sram.o flexcop-eeprom.o flexcop-misc.o flexcop-hw-filter.o
		obj-$(CONFIG_DVB_B2C2_FLEXCOP) += b2c2-flexcop.o


		ifneq ($(CONFIG_DVB_B2C2_FLEXCOP_PCI),)
		b2c2-flexcop-objs += flexcop-dma.o
		endif

drivers/media/dvb/b2c2/flexcop-fe-tuner.c

+48 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,9 @@
		#include "dvb-pll.h"
		#include "tuner-simple.h"

		#include "s5h1420.h"
		#include "itd1000.h"

		#include "cx24123.h"
		#include "cx24113.h"

		@@ -482,6 +485,18 @@ static struct stv0297_config alps_tdee4_stv0297_config = {
		};


		/* SkyStar2 rev2.7 (a/u) */
		static struct s5h1420_config skystar2_rev2_7_s5h1420_config = {
		.demod_address = 0x53,
		.invert = 1,
		.repeated_start_workaround = 1,
		};

		static struct itd1000_config skystar2_rev2_7_itd1000_config = {
		.i2c_address = 0x61,
		};

		/* SkyStar2 rev2.8 */
		static struct cx24123_config skystar2_rev2_8_cx24123_config = {
		.demod_address = 0x55,
		.dont_use_pll = 1,
		@@ -500,6 +515,39 @@ int flexcop_frontend_init(struct flexcop_device *fc)
		struct i2c_adapter *i2c = &fc->fc_i2c_adap[0].i2c_adap;
		struct i2c_adapter *i2c_tuner;

		/* enable no_base_addr - no repeated start when reading */
		fc->fc_i2c_adap[0].no_base_addr = 1;
		fc->fe = dvb_attach(s5h1420_attach, &skystar2_rev2_7_s5h1420_config, i2c);
		if (fc->fe != NULL) {
		flexcop_ibi_value r108;
		i2c_tuner = s5h1420_get_tuner_i2c_adapter(fc->fe);
		ops = &fc->fe->ops;

		fc->fe_sleep = ops->sleep;
		ops->sleep = flexcop_sleep;

		fc->dev_type = FC_SKY_REV27;

		/* enable no_base_addr - no repeated start when reading */
		fc->fc_i2c_adap[2].no_base_addr = 1;
		if (dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap, 0x08, 1, 1) == NULL)
		err("ISL6421 could NOT be attached");
		else
		info("ISL6421 successfully attached");

		/* the ITD1000 requires a lower i2c clock - it slows down the stuff for everyone - but is it a problem ? */
		r108.raw = 0x00000506;
		fc->write_ibi_reg(fc, tw_sm_c_108, r108);
		if (i2c_tuner) {
		if (dvb_attach(itd1000_attach, fc->fe, i2c_tuner, &skystar2_rev2_7_itd1000_config) == NULL)
		err("ITD1000 could NOT be attached");
		else
		info("ITD1000 successfully attached");
		}
		goto fe_found;
		}
		fc->fc_i2c_adap[0].no_base_addr = 0; /* for the next devices we need it again */

		/* try the sky v2.8 (cx24123, isl6421) */
		fc->fe = dvb_attach(cx24123_attach,
		&skystar2_rev2_8_cx24123_config, i2c);

drivers/media/dvb/frontends/itd1000.c

0 → 100644

+400 −0

Original line number	Diff line number	Diff line
		/*
		* Driver for the Integrant ITD1000 "Zero-IF Tuner IC for Direct Broadcast Satellite"
		*
		* Copyright (c) 2007-8 Patrick Boettcher <pb@linuxtv.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
		* 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/moduleparam.h>
		#include <linux/delay.h>
		#include <linux/dvb/frontend.h>
		#include <linux/i2c.h>

		#include "dvb_frontend.h"

		#include "itd1000.h"
		#include "itd1000_priv.h"

		static int debug;
		module_param(debug, int, 0644);
		MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");

		#define deb(args...) do { \
		if (debug) { \
		printk(KERN_DEBUG "ITD1000: " args);\
		printk("\n"); \
		} \
		} while (0)

		#define warn(args...) do { \
		printk(KERN_WARNING "ITD1000: " args); \
		printk("\n"); \
		} while (0)

		#define info(args...) do { \
		printk(KERN_INFO "ITD1000: " args); \
		printk("\n"); \
		} while (0)

		/* don't write more than one byte with flexcop behind */
		static int itd1000_write_regs(struct itd1000_state *state, u8 reg, u8 v[], u8 len)
		{
		u8 buf[1+len];
		struct i2c_msg msg = {
		.addr = state->cfg->i2c_address, .flags = 0, .buf = buf, .len = len+1
		};
		buf[0] = reg;
		memcpy(&buf[1], v, len);

		/* deb("wr %02x: %02x", reg, v[0]); */

		if (i2c_transfer(state->i2c, &msg, 1) != 1) {
		printk(KERN_WARNING "itd1000 I2C write failed\n");
		return -EREMOTEIO;
		}
		return 0;
		}

		static int itd1000_read_reg(struct itd1000_state *state, u8 reg)
		{
		u8 val;
		struct i2c_msg msg[2] = {
		{ .addr = state->cfg->i2c_address, .flags = 0, .buf = &reg, .len = 1 },
		{ .addr = state->cfg->i2c_address, .flags = I2C_M_RD, .buf = &val, .len = 1 },
		};

		/* ugly flexcop workaround */
		itd1000_write_regs(state, (reg - 1) & 0xff, &state->shadow[(reg - 1) & 0xff], 1);

		if (i2c_transfer(state->i2c, msg, 2) != 2) {
		warn("itd1000 I2C read failed");
		return -EREMOTEIO;
		}
		return val;
		}

		static inline int itd1000_write_reg(struct itd1000_state *state, u8 r, u8 v)
		{
		int ret = itd1000_write_regs(state, r, &v, 1);
		state->shadow[r] = v;
		return ret;
		}


		static struct {
		u32 symbol_rate;
		u8 pgaext : 4; /* PLLFH */
		u8 bbgvmin : 4; /* BBGVMIN */
		} itd1000_lpf_pga[] = {
		{ 0, 0x8, 0x3 },
		{ 5200000, 0x8, 0x3 },
		{ 12200000, 0x4, 0x3 },
		{ 15400000, 0x2, 0x3 },
		{ 19800000, 0x2, 0x3 },
		{ 21500000, 0x2, 0x3 },
		{ 24500000, 0x2, 0x3 },
		{ 28400000, 0x2, 0x3 },
		{ 33400000, 0x2, 0x3 },
		{ 34400000, 0x1, 0x4 },
		{ 34400000, 0x1, 0x4 },
		{ 38400000, 0x1, 0x4 },
		{ 38400000, 0x1, 0x4 },
		{ 40400000, 0x1, 0x4 },
		{ 45400000, 0x1, 0x4 },
		};

		static void itd1000_set_lpf_bw(struct itd1000_state *state, u32 symbol_rate)
		{
		u8 i;
		u8 con1 = itd1000_read_reg(state, CON1) & 0xfd;
		u8 pllfh = itd1000_read_reg(state, PLLFH) & 0x0f;
		u8 bbgvmin = itd1000_read_reg(state, BBGVMIN) & 0xf0;
		u8 bw = itd1000_read_reg(state, BW) & 0xf0;

		deb("symbol_rate = %d", symbol_rate);

		/* not sure what is that ? - starting to download the table */
		itd1000_write_reg(state, CON1, con1 \| (1 << 1));

		for (i = 0; i < ARRAY_SIZE(itd1000_lpf_pga); i++)
		if (symbol_rate < itd1000_lpf_pga[i].symbol_rate) {
		deb("symrate: index: %d pgaext: %x, bbgvmin: %x", i, itd1000_lpf_pga[i].pgaext, itd1000_lpf_pga[i].bbgvmin);
		itd1000_write_reg(state, PLLFH, pllfh \| (itd1000_lpf_pga[i].pgaext << 4));
		itd1000_write_reg(state, BBGVMIN, bbgvmin \| (itd1000_lpf_pga[i].bbgvmin));
		itd1000_write_reg(state, BW, bw \| (i & 0x0f));
		break;
		}

		itd1000_write_reg(state, CON1, con1 \| (0 << 1));
		}

		static struct {
		u8 vcorg;
		u32 fmax_rg;
		} itd1000_vcorg[] = {
		{ 1, 920000 },
		{ 2, 971000 },
		{ 3, 1031000 },
		{ 4, 1091000 },
		{ 5, 1171000 },
		{ 6, 1281000 },
		{ 7, 1381000 },
		{ 8, 500000 }, /* this is intentional. */
		{ 9, 1451000 },
		{ 10, 1531000 },
		{ 11, 1631000 },
		{ 12, 1741000 },
		{ 13, 1891000 },
		{ 14, 2071000 },
		{ 15, 2250000 },
		};

		static void itd1000_set_vco(struct itd1000_state *state, u32 freq_khz)
		{
		u8 i;
		u8 gvbb_i2c = itd1000_read_reg(state, GVBB_I2C) & 0xbf;
		u8 vco_chp1_i2c = itd1000_read_reg(state, VCO_CHP1_I2C) & 0x0f;
		u8 adcout;

		/* reserved bit again (reset ?) */
		itd1000_write_reg(state, GVBB_I2C, gvbb_i2c \| (1 << 6));

		for (i = 0; i < ARRAY_SIZE(itd1000_vcorg); i++) {
		if (freq_khz < itd1000_vcorg[i].fmax_rg) {
		itd1000_write_reg(state, VCO_CHP1_I2C, vco_chp1_i2c \| (itd1000_vcorg[i].vcorg << 4));
		msleep(1);

		adcout = itd1000_read_reg(state, PLLLOCK) & 0x0f;

		deb("VCO: %dkHz: %d -> ADCOUT: %d %02x", freq_khz, itd1000_vcorg[i].vcorg, adcout, vco_chp1_i2c);

		if (adcout > 13) {
		if (!(itd1000_vcorg[i].vcorg == 7 \|\| itd1000_vcorg[i].vcorg == 15))
		itd1000_write_reg(state, VCO_CHP1_I2C, vco_chp1_i2c \| ((itd1000_vcorg[i].vcorg + 1) << 4));
		} else if (adcout < 2) {
		if (!(itd1000_vcorg[i].vcorg == 1 \|\| itd1000_vcorg[i].vcorg == 9))
		itd1000_write_reg(state, VCO_CHP1_I2C, vco_chp1_i2c \| ((itd1000_vcorg[i].vcorg - 1) << 4));
		}
		break;
		}
		}
		}

		struct {
		u32 freq;
		u8 values[10]; /* RFTR, RFST1 - RFST9 */
		} itd1000_fre_values[] = {
		{ 1075000, { 0x59, 0x1d, 0x1c, 0x17, 0x16, 0x0f, 0x0e, 0x0c, 0x0b, 0x0a } },
		{ 1250000, { 0x89, 0x1e, 0x1d, 0x17, 0x15, 0x0f, 0x0e, 0x0c, 0x0b, 0x0a } },
		{ 1450000, { 0x89, 0x1e, 0x1d, 0x17, 0x15, 0x0f, 0x0e, 0x0c, 0x0b, 0x0a } },
		{ 1650000, { 0x69, 0x1e, 0x1d, 0x17, 0x15, 0x0f, 0x0e, 0x0c, 0x0b, 0x0a } },
		{ 1750000, { 0x69, 0x1e, 0x17, 0x15, 0x14, 0x0f, 0x0e, 0x0c, 0x0b, 0x0a } },
		{ 1850000, { 0x69, 0x1d, 0x17, 0x16, 0x14, 0x0f, 0x0e, 0x0d, 0x0b, 0x0a } },
		{ 1900000, { 0x69, 0x1d, 0x17, 0x15, 0x14, 0x0f, 0x0e, 0x0d, 0x0b, 0x0a } },
		{ 1950000, { 0x69, 0x1d, 0x17, 0x16, 0x14, 0x13, 0x0e, 0x0d, 0x0b, 0x0a } },
		{ 2050000, { 0x69, 0x1e, 0x1d, 0x17, 0x16, 0x14, 0x13, 0x0e, 0x0b, 0x0a } },
		{ 2150000, { 0x69, 0x1d, 0x1c, 0x17, 0x15, 0x14, 0x13, 0x0f, 0x0e, 0x0b } }
		};


		#define FREF 16

		static void itd1000_set_lo(struct itd1000_state *state, u32 freq_khz)
		{
		int i, j;
		u32 plln, pllf;
		u64 tmp;

		plln = (freq_khz * 1000) / 2 / FREF;

		/* Compute the factional part times 1000 */
		tmp = plln % 1000000;
		plln /= 1000000;

		tmp *= 1048576;
		do_div(tmp, 1000000);
		pllf = (u32) tmp;

		state->frequency = ((plln * 1000) + (pllf * 1000)/1048576) * 2*FREF;
		deb("frequency: %dkHz (wanted) %dkHz (set), PLLF = %d, PLLN = %d", freq_khz, state->frequency, pllf, plln);

		itd1000_write_reg(state, PLLNH, 0x80); /* PLLNH */;
		itd1000_write_reg(state, PLLNL, plln & 0xff);
		itd1000_write_reg(state, PLLFH, (itd1000_read_reg(state, PLLFH) & 0xf0) \| ((pllf >> 16) & 0x0f));
		itd1000_write_reg(state, PLLFM, (pllf >> 8) & 0xff);
		itd1000_write_reg(state, PLLFL, (pllf >> 0) & 0xff);

		for (i = 0; i < ARRAY_SIZE(itd1000_fre_values); i++) {
		if (freq_khz <= itd1000_fre_values[i].freq) {
		deb("fre_values: %d", i);
		itd1000_write_reg(state, RFTR, itd1000_fre_values[i].values[0]);
		for (j = 0; j < 9; j++)
		itd1000_write_reg(state, RFST1+j, itd1000_fre_values[i].values[j+1]);
		break;
		}
		}

		itd1000_set_vco(state, freq_khz);
		}

		static int itd1000_set_parameters(struct dvb_frontend fe, struct dvb_frontend_parameters p)
		{
		struct itd1000_state *state = fe->tuner_priv;
		u8 pllcon1;

		itd1000_set_lo(state, p->frequency);
		itd1000_set_lpf_bw(state, p->u.qpsk.symbol_rate);

		pllcon1 = itd1000_read_reg(state, PLLCON1) & 0x7f;
		itd1000_write_reg(state, PLLCON1, pllcon1 \| (1 << 7));
		itd1000_write_reg(state, PLLCON1, pllcon1);

		return 0;
		}

		static int itd1000_get_frequency(struct dvb_frontend fe, u32 frequency)
		{
		struct itd1000_state *state = fe->tuner_priv;
		*frequency = state->frequency;
		return 0;
		}

		static int itd1000_get_bandwidth(struct dvb_frontend fe, u32 bandwidth)
		{
		return 0;
		}

		static u8 itd1000_init_tab[][2] = {
		{ PLLCON1, 0x65 }, /* Register does not change */
		{ PLLNH, 0x80 }, /* Bits [7:6] do not change */
		{ RESERVED_0X6D, 0x3b },
		{ VCO_CHP2_I2C, 0x12 },
		{ 0x72, 0xf9 }, /* No such regsister defined */
		{ RESERVED_0X73, 0xff },
		{ RESERVED_0X74, 0xb2 },
		{ RESERVED_0X75, 0xc7 },
		{ EXTGVBBRF, 0xf0 },
		{ DIVAGCCK, 0x80 },
		{ BBTR, 0xa0 },
		{ RESERVED_0X7E, 0x4f },
		{ 0x82, 0x88 }, /* No such regsister defined */
		{ 0x83, 0x80 }, /* No such regsister defined */
		{ 0x84, 0x80 }, /* No such regsister defined */
		{ RESERVED_0X85, 0x74 },
		{ RESERVED_0X86, 0xff },
		{ RESERVED_0X88, 0x02 },
		{ RESERVED_0X89, 0x16 },
		{ RFST0, 0x1f },
		{ RESERVED_0X94, 0x66 },
		{ RESERVED_0X95, 0x66 },
		{ RESERVED_0X96, 0x77 },
		{ RESERVED_0X97, 0x99 },
		{ RESERVED_0X98, 0xff },
		{ RESERVED_0X99, 0xfc },
		{ RESERVED_0X9A, 0xba },
		{ RESERVED_0X9B, 0xaa },
		};

		static u8 itd1000_reinit_tab[][2] = {
		{ VCO_CHP1_I2C, 0x8a },
		{ BW, 0x87 },
		{ GVBB_I2C, 0x03 },
		{ BBGVMIN, 0x03 },
		{ CON1, 0x2e },
		};


		static int itd1000_init(struct dvb_frontend *fe)
		{
		struct itd1000_state *state = fe->tuner_priv;
		int i;

		for (i = 0; i < ARRAY_SIZE(itd1000_init_tab); i++)
		itd1000_write_reg(state, itd1000_init_tab[i][0], itd1000_init_tab[i][1]);

		for (i = 0; i < ARRAY_SIZE(itd1000_reinit_tab); i++)
		itd1000_write_reg(state, itd1000_reinit_tab[i][0], itd1000_reinit_tab[i][1]);

		return 0;
		}

		static int itd1000_sleep(struct dvb_frontend *fe)
		{
		return 0;
		}

		static int itd1000_release(struct dvb_frontend *fe)
		{
		kfree(fe->tuner_priv);
		fe->tuner_priv = NULL;
		return 0;
		}

		static const struct dvb_tuner_ops itd1000_tuner_ops = {
		.info = {
		.name = "Integrant ITD1000",
		.frequency_min = 950000,
		.frequency_max = 2150000,
		.frequency_step = 125, /* kHz for QPSK frontends */
		},

		.release = itd1000_release,

		.init = itd1000_init,
		.sleep = itd1000_sleep,

		.set_params = itd1000_set_parameters,
		.get_frequency = itd1000_get_frequency,
		.get_bandwidth = itd1000_get_bandwidth
		};


		struct dvb_frontend itd1000_attach(struct dvb_frontend fe, struct i2c_adapter i2c, struct itd1000_config cfg)
		{
		struct itd1000_state *state = NULL;
		u8 i = 0;

		state = kzalloc(sizeof(struct itd1000_state), GFP_KERNEL);
		if (state == NULL)
		return NULL;

		state->cfg = cfg;
		state->i2c = i2c;

		i = itd1000_read_reg(state, 0);
		if (i != 0) {
		kfree(state);
		return NULL;
		}
		info("successfully identified (ID: %d)", i);

		memset(state->shadow, 0xff, sizeof(state->shadow));
		for (i = 0x65; i < 0x9c; i++)
		state->shadow[i] = itd1000_read_reg(state, i);

		memcpy(&fe->ops.tuner_ops, &itd1000_tuner_ops, sizeof(struct dvb_tuner_ops));

		fe->tuner_priv = state;

		return fe;
		}
		EXPORT_SYMBOL(itd1000_attach);

		MODULE_AUTHOR("Patrick Boettcher <pb@linuxtv.org>");
		MODULE_DESCRIPTION("Integrant ITD1000 driver");
		MODULE_LICENSE("GPL");

drivers/media/dvb/frontends/itd1000.h

0 → 100644

+42 −0

Original line number	Diff line number	Diff line
		/*
		* Driver for the Integrant ITD1000 "Zero-IF Tuner IC for Direct Broadcast Satellite"
		*
		* Copyright (c) 2007 Patrick Boettcher <pb@linuxtv.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
		* 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 ITD1000_H
		#define ITD1000_H

		struct dvb_frontend;
		struct i2c_adapter;

		struct itd1000_config {
		u8 i2c_address;
		};

		#if defined(CONFIG_DVB_TUNER_ITD1000) \|\| (defined(CONFIG_DVB_TUNER_ITD1000_MODULE) && defined(MODULE))
		extern struct dvb_frontend itd1000_attach(struct dvb_frontend fe, struct i2c_adapter i2c, struct itd1000_config cfg);
		#else
		static inline struct dvb_frontend itd1000_attach(struct dvb_frontend fe, struct i2c_adapter i2c, struct itd1000_config cfg)
		{
		printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
		return NULL;
		}
		#endif

		#endif