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-rw-r--r--linux/drivers/media/dvb/frontends/Kconfig7
-rw-r--r--linux/drivers/media/dvb/frontends/Makefile1
-rw-r--r--linux/drivers/media/dvb/frontends/cx22700.c2
-rw-r--r--linux/drivers/media/dvb/frontends/dib7000p.c35
-rw-r--r--linux/drivers/media/dvb/frontends/stb6100.c5
-rw-r--r--linux/drivers/media/dvb/frontends/tda10021.c3
-rw-r--r--linux/drivers/media/dvb/frontends/tda8261.c4
-rw-r--r--linux/drivers/media/dvb/frontends/ves1820.c3
-rw-r--r--linux/drivers/media/dvb/frontends/zl10039.c308
-rw-r--r--linux/drivers/media/dvb/frontends/zl10039.h40
-rw-r--r--linux/drivers/media/dvb/frontends/zl10353.c14
11 files changed, 411 insertions, 11 deletions
diff --git a/linux/drivers/media/dvb/frontends/Kconfig b/linux/drivers/media/dvb/frontends/Kconfig
index 1f43f9af8..d7c4837fa 100644
--- a/linux/drivers/media/dvb/frontends/Kconfig
+++ b/linux/drivers/media/dvb/frontends/Kconfig
@@ -81,6 +81,13 @@ config DVB_ZL10036
help
A DVB-S tuner module. Say Y when you want to support this frontend.
+config DVB_ZL10039
+ tristate "Zarlink ZL10039 silicon tuner"
+ 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_S5H1420
tristate "Samsung S5H1420 based"
depends on DVB_CORE && I2C
diff --git a/linux/drivers/media/dvb/frontends/Makefile b/linux/drivers/media/dvb/frontends/Makefile
index fa65868d7..3523767e7 100644
--- a/linux/drivers/media/dvb/frontends/Makefile
+++ b/linux/drivers/media/dvb/frontends/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_DVB_SP887X) += sp887x.o
obj-$(CONFIG_DVB_NXT6000) += nxt6000.o
obj-$(CONFIG_DVB_MT352) += mt352.o
obj-$(CONFIG_DVB_ZL10036) += zl10036.o
+obj-$(CONFIG_DVB_ZL10039) += zl10039.o
obj-$(CONFIG_DVB_ZL10353) += zl10353.o
obj-$(CONFIG_DVB_CX22702) += cx22702.o
obj-$(CONFIG_DVB_DRX397XD) += drx397xD.o
diff --git a/linux/drivers/media/dvb/frontends/cx22700.c b/linux/drivers/media/dvb/frontends/cx22700.c
index fbd838eca..5fbc0fc37 100644
--- a/linux/drivers/media/dvb/frontends/cx22700.c
+++ b/linux/drivers/media/dvb/frontends/cx22700.c
@@ -155,7 +155,7 @@ static int cx22700_set_tps (struct cx22700_state *state, struct dvb_ofdm_paramet
p->hierarchy_information > HIERARCHY_4)
return -EINVAL;
- if (p->bandwidth < BANDWIDTH_8_MHZ && p->bandwidth > BANDWIDTH_6_MHZ)
+ if (p->bandwidth < BANDWIDTH_8_MHZ || p->bandwidth > BANDWIDTH_6_MHZ)
return -EINVAL;
if (p->bandwidth == BANDWIDTH_7_MHZ)
diff --git a/linux/drivers/media/dvb/frontends/dib7000p.c b/linux/drivers/media/dvb/frontends/dib7000p.c
index ebb7594e3..57bee771c 100644
--- a/linux/drivers/media/dvb/frontends/dib7000p.c
+++ b/linux/drivers/media/dvb/frontends/dib7000p.c
@@ -11,6 +11,7 @@
#include <linux/i2c.h>
#include "compat.h"
+#include "dvb_math.h"
#include "dvb_frontend.h"
#include "dib7000p.h"
@@ -909,7 +910,7 @@ static void dib7000p_spur_protect(struct dib7000p_state *state, u32 rf_khz, u32
255, 255, 255, 255, 255, 255};
u32 xtal = state->cfg.bw->xtal_hz / 1000;
- int f_rel = ( (rf_khz + xtal/2) / xtal) * xtal - rf_khz;
+ int f_rel = DIV_ROUND_CLOSEST(rf_khz, xtal) * xtal - rf_khz;
int k;
int coef_re[8],coef_im[8];
int bw_khz = bw;
@@ -1243,7 +1244,37 @@ static int dib7000p_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
static int dib7000p_read_snr(struct dvb_frontend* fe, u16 *snr)
{
- *snr = 0x0000;
+ struct dib7000p_state *state = fe->demodulator_priv;
+ u16 val;
+ s32 signal_mant, signal_exp, noise_mant, noise_exp;
+ u32 result = 0;
+
+ val = dib7000p_read_word(state, 479);
+ noise_mant = (val >> 4) & 0xff;
+ noise_exp = ((val & 0xf) << 2);
+ val = dib7000p_read_word(state, 480);
+ noise_exp += ((val >> 14) & 0x3);
+ if ((noise_exp & 0x20) != 0)
+ noise_exp -= 0x40;
+
+ signal_mant = (val >> 6) & 0xFF;
+ signal_exp = (val & 0x3F);
+ if ((signal_exp & 0x20) != 0)
+ signal_exp -= 0x40;
+
+ if (signal_mant != 0)
+ result = intlog10(2) * 10 * signal_exp + 10 *
+ intlog10(signal_mant);
+ else
+ result = intlog10(2) * 10 * signal_exp - 100;
+
+ if (noise_mant != 0)
+ result -= intlog10(2) * 10 * noise_exp + 10 *
+ intlog10(noise_mant);
+ else
+ result -= intlog10(2) * 10 * noise_exp - 100;
+
+ *snr = result / ((1 << 24) / 10);
return 0;
}
diff --git a/linux/drivers/media/dvb/frontends/stb6100.c b/linux/drivers/media/dvb/frontends/stb6100.c
index 2b1af36b8..2de9e0c01 100644
--- a/linux/drivers/media/dvb/frontends/stb6100.c
+++ b/linux/drivers/media/dvb/frontends/stb6100.c
@@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/string.h>
+#include "compat.h"
#include "dvb_frontend.h"
#include "stb6100.h"
@@ -374,7 +375,9 @@ static int stb6100_set_frequency(struct dvb_frontend *fe, u32 frequency)
/* N(I) = floor(f(VCO) / (f(XTAL) * (PSD2 ? 2 : 1))) */
nint = fvco / (state->reference << psd2);
/* N(F) = round(f(VCO) / f(XTAL) * (PSD2 ? 2 : 1) - N(I)) * 2 ^ 9 */
- nfrac = (((fvco - (nint * state->reference << psd2)) << (9 - psd2)) + state->reference / 2) / state->reference;
+ nfrac = DIV_ROUND_CLOSEST((fvco - (nint * state->reference << psd2))
+ << (9 - psd2),
+ state->reference);
dprintk(verbose, FE_DEBUG, 1,
"frequency = %u, srate = %u, g = %u, odiv = %u, psd2 = %u, fxtal = %u, osm = %u, fvco = %u, N(I) = %u, N(F) = %u",
frequency, srate, (unsigned int)g, (unsigned int)odiv,
diff --git a/linux/drivers/media/dvb/frontends/tda10021.c b/linux/drivers/media/dvb/frontends/tda10021.c
index 242636e59..f410fd5e2 100644
--- a/linux/drivers/media/dvb/frontends/tda10021.c
+++ b/linux/drivers/media/dvb/frontends/tda10021.c
@@ -29,6 +29,7 @@
#include <linux/string.h>
#include <linux/slab.h>
+#include "compat.h"
#include "dvb_frontend.h"
#include "tda1002x.h"
@@ -176,7 +177,7 @@ static int tda10021_set_symbolrate (struct tda10021_state* state, u32 symbolrate
tmp = ((symbolrate << 4) % FIN) << 8;
ratio = (ratio << 8) + tmp / FIN;
tmp = (tmp % FIN) << 8;
- ratio = (ratio << 8) + (tmp + FIN/2) / FIN;
+ ratio = (ratio << 8) + DIV_ROUND_CLOSEST(tmp, FIN);
BDR = ratio;
BDRI = (((XIN << 5) / symbolrate) + 1) / 2;
diff --git a/linux/drivers/media/dvb/frontends/tda8261.c b/linux/drivers/media/dvb/frontends/tda8261.c
index b6d177799..320c3c36d 100644
--- a/linux/drivers/media/dvb/frontends/tda8261.c
+++ b/linux/drivers/media/dvb/frontends/tda8261.c
@@ -136,9 +136,9 @@ static int tda8261_set_state(struct dvb_frontend *fe,
if (frequency < 1450000)
buf[3] = 0x00;
- if (frequency < 2000000)
+ else if (frequency < 2000000)
buf[3] = 0x40;
- if (frequency < 2150000)
+ else if (frequency < 2150000)
buf[3] = 0x80;
/* Set params */
diff --git a/linux/drivers/media/dvb/frontends/ves1820.c b/linux/drivers/media/dvb/frontends/ves1820.c
index 6e78e4865..afd7f09ac 100644
--- a/linux/drivers/media/dvb/frontends/ves1820.c
+++ b/linux/drivers/media/dvb/frontends/ves1820.c
@@ -27,6 +27,7 @@
#include <linux/slab.h>
#include <asm/div64.h>
+#include "compat.h"
#include "dvb_frontend.h"
#include "ves1820.h"
@@ -165,7 +166,7 @@ static int ves1820_set_symbolrate(struct ves1820_state *state, u32 symbolrate)
tmp = ((symbolrate << 4) % fin) << 8;
ratio = (ratio << 8) + tmp / fin;
tmp = (tmp % fin) << 8;
- ratio = (ratio << 8) + (tmp + fin / 2) / fin;
+ ratio = (ratio << 8) + DIV_ROUND_CLOSEST(tmp, fin);
BDR = ratio;
BDRI = (((state->config->xin << 5) / symbolrate) + 1) / 2;
diff --git a/linux/drivers/media/dvb/frontends/zl10039.c b/linux/drivers/media/dvb/frontends/zl10039.c
new file mode 100644
index 000000000..11b29cb88
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/zl10039.c
@@ -0,0 +1,308 @@
+/*
+ * Driver for Zarlink ZL10039 DVB-S tuner
+ *
+ * Copyright 2007 Jan D. Louw <jd.louw@mweb.co.za>
+ *
+ * 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/init.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/dvb/frontend.h>
+
+#include "dvb_frontend.h"
+#include "zl10039.h"
+
+static int debug;
+
+#define dprintk(args...) \
+ do { \
+ if (debug) \
+ printk(KERN_DEBUG args); \
+ } while (0)
+
+enum zl10039_model_id {
+ ID_ZL10039 = 1
+};
+
+struct zl10039_state {
+ struct i2c_adapter *i2c;
+ u8 i2c_addr;
+ u8 id;
+};
+
+enum zl10039_reg_addr {
+ PLL0 = 0,
+ PLL1,
+ PLL2,
+ PLL3,
+ RFFE,
+ BASE0,
+ BASE1,
+ BASE2,
+ LO0,
+ LO1,
+ LO2,
+ LO3,
+ LO4,
+ LO5,
+ LO6,
+ GENERAL
+};
+
+static int zl10039_read(const struct zl10039_state *state,
+ const enum zl10039_reg_addr reg, u8 *buf,
+ const size_t count)
+{
+ u8 regbuf[] = { reg };
+ struct i2c_msg msg[] = {
+ {/* Write register address */
+ .addr = state->i2c_addr,
+ .flags = 0,
+ .buf = regbuf,
+ .len = 1,
+ }, {/* Read count bytes */
+ .addr = state->i2c_addr,
+ .flags = I2C_M_RD,
+ .buf = buf,
+ .len = count,
+ },
+ };
+
+ dprintk("%s\n", __func__);
+
+ if (i2c_transfer(state->i2c, msg, 2) != 2) {
+ dprintk("%s: i2c read error\n", __func__);
+ return -EREMOTEIO;
+ }
+
+ return 0; /* Success */
+}
+
+static int zl10039_write(struct zl10039_state *state,
+ const enum zl10039_reg_addr reg, const u8 *src,
+ const size_t count)
+{
+ u8 buf[count + 1];
+ struct i2c_msg msg = {
+ .addr = state->i2c_addr,
+ .flags = 0,
+ .buf = buf,
+ .len = count + 1,
+ };
+
+ dprintk("%s\n", __func__);
+ /* Write register address and data in one go */
+ buf[0] = reg;
+ memcpy(&buf[1], src, count);
+ if (i2c_transfer(state->i2c, &msg, 1) != 1) {
+ dprintk("%s: i2c write error\n", __func__);
+ return -EREMOTEIO;
+ }
+
+ return 0; /* Success */
+}
+
+static inline int zl10039_readreg(struct zl10039_state *state,
+ const enum zl10039_reg_addr reg, u8 *val)
+{
+ return zl10039_read(state, reg, val, 1);
+}
+
+static inline int zl10039_writereg(struct zl10039_state *state,
+ const enum zl10039_reg_addr reg,
+ const u8 val)
+{
+ return zl10039_write(state, reg, &val, 1);
+}
+
+static int zl10039_init(struct dvb_frontend *fe)
+{
+ struct zl10039_state *state = fe->tuner_priv;
+ int ret;
+
+ dprintk("%s\n", __func__);
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+ /* Reset logic */
+ ret = zl10039_writereg(state, GENERAL, 0x40);
+ if (ret < 0) {
+ dprintk("Note: i2c write error normal when resetting the "
+ "tuner\n");
+ }
+ /* Wake up */
+ ret = zl10039_writereg(state, GENERAL, 0x01);
+ if (ret < 0) {
+ dprintk("Tuner power up failed\n");
+ return ret;
+ }
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+
+ return 0;
+}
+
+static int zl10039_sleep(struct dvb_frontend *fe)
+{
+ struct zl10039_state *state = fe->tuner_priv;
+ int ret;
+
+ dprintk("%s\n", __func__);
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+ ret = zl10039_writereg(state, GENERAL, 0x80);
+ if (ret < 0) {
+ dprintk("Tuner sleep failed\n");
+ return ret;
+ }
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+
+ return 0;
+}
+
+static int zl10039_set_params(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *params)
+{
+ struct zl10039_state *state = fe->tuner_priv;
+ u8 buf[6];
+ u8 bf;
+ u32 fbw;
+ u32 div;
+ int ret;
+
+ dprintk("%s\n", __func__);
+ dprintk("Set frequency = %d, symbol rate = %d\n",
+ params->frequency, params->u.qpsk.symbol_rate);
+
+ /* Assumed 10.111 MHz crystal oscillator */
+ /* Cancelled num/den 80 to prevent overflow */
+ div = (params->frequency * 1000) / 126387;
+ fbw = (params->u.qpsk.symbol_rate * 27) / 32000;
+ /* Cancelled num/den 10 to prevent overflow */
+ bf = ((fbw * 5088) / 1011100) - 1;
+
+ /*PLL divider*/
+ buf[0] = (div >> 8) & 0x7f;
+ buf[1] = (div >> 0) & 0xff;
+ /*Reference divider*/
+ /* Select reference ratio of 80 */
+ buf[2] = 0x1D;
+ /*PLL test modes*/
+ buf[3] = 0x40;
+ /*RF Control register*/
+ buf[4] = 0x6E; /* Bypass enable */
+ /*Baseband filter cutoff */
+ buf[5] = bf;
+
+ /* Open i2c gate */
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+ /* BR = 10, Enable filter adjustment */
+ ret = zl10039_writereg(state, BASE1, 0x0A);
+ if (ret < 0)
+ goto error;
+ /* Write new config values */
+ ret = zl10039_write(state, PLL0, buf, sizeof(buf));
+ if (ret < 0)
+ goto error;
+ /* BR = 10, Disable filter adjustment */
+ ret = zl10039_writereg(state, BASE1, 0x6A);
+ if (ret < 0)
+ goto error;
+
+ /* Close i2c gate */
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+ return 0;
+error:
+ dprintk("Error setting tuner\n");
+ return ret;
+}
+
+static int zl10039_release(struct dvb_frontend *fe)
+{
+ struct zl10039_state *state = fe->tuner_priv;
+
+ dprintk("%s\n", __func__);
+ kfree(state);
+ fe->tuner_priv = NULL;
+ return 0;
+}
+
+static struct dvb_tuner_ops zl10039_ops = {
+ .release = zl10039_release,
+ .init = zl10039_init,
+ .sleep = zl10039_sleep,
+ .set_params = zl10039_set_params,
+};
+
+struct dvb_frontend *zl10039_attach(struct dvb_frontend *fe,
+ u8 i2c_addr, struct i2c_adapter *i2c)
+{
+ struct zl10039_state *state = NULL;
+
+ dprintk("%s\n", __func__);
+ state = kmalloc(sizeof(struct zl10039_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+
+ state->i2c = i2c;
+ state->i2c_addr = i2c_addr;
+
+ /* Open i2c gate */
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+ /* check if this is a valid tuner */
+ if (zl10039_readreg(state, GENERAL, &state->id) < 0) {
+ /* Close i2c gate */
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+ goto error;
+ }
+ /* Close i2c gate */
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+
+ state->id = state->id & 0x0f;
+ switch (state->id) {
+ case ID_ZL10039:
+ strcpy(fe->ops.tuner_ops.info.name,
+ "Zarlink ZL10039 DVB-S tuner");
+ break;
+ default:
+ dprintk("Chip ID=%x does not match a known type\n", state->id);
+ break;
+ goto error;
+ }
+
+ memcpy(&fe->ops.tuner_ops, &zl10039_ops, sizeof(struct dvb_tuner_ops));
+ fe->tuner_priv = state;
+ dprintk("Tuner attached @ i2c address 0x%02x\n", i2c_addr);
+ return fe;
+error:
+ kfree(state);
+ return NULL;
+}
+EXPORT_SYMBOL(zl10039_attach);
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
+MODULE_DESCRIPTION("Zarlink ZL10039 DVB-S tuner driver");
+MODULE_AUTHOR("Jan D. Louw <jd.louw@mweb.co.za>");
+MODULE_LICENSE("GPL");
diff --git a/linux/drivers/media/dvb/frontends/zl10039.h b/linux/drivers/media/dvb/frontends/zl10039.h
new file mode 100644
index 000000000..5eee7ea16
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/zl10039.h
@@ -0,0 +1,40 @@
+/*
+ Driver for Zarlink ZL10039 DVB-S tuner
+
+ Copyright (C) 2007 Jan D. Louw <jd.louw@mweb.co.za>
+
+ 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 ZL10039_H
+#define ZL10039_H
+
+#if defined(CONFIG_DVB_ZL10039) || (defined(CONFIG_DVB_ZL10039_MODULE) \
+ && defined(MODULE))
+struct dvb_frontend *zl10039_attach(struct dvb_frontend *fe,
+ u8 i2c_addr,
+ struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *zl10039_attach(struct dvb_frontend *fe,
+ u8 i2c_addr,
+ struct i2c_adapter *i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif /* CONFIG_DVB_ZL10039 */
+
+#endif /* ZL10039_H */
diff --git a/linux/drivers/media/dvb/frontends/zl10353.c b/linux/drivers/media/dvb/frontends/zl10353.c
index a69e9602c..37a050efd 100644
--- a/linux/drivers/media/dvb/frontends/zl10353.c
+++ b/linux/drivers/media/dvb/frontends/zl10353.c
@@ -39,6 +39,8 @@ struct zl10353_state {
struct zl10353_config config;
enum fe_bandwidth bandwidth;
+ u32 ucblocks;
+ u32 frequency;
};
static int debug;
@@ -204,6 +206,8 @@ static int zl10353_set_parameters(struct dvb_frontend *fe,
u16 tps = 0;
struct dvb_ofdm_parameters *op = &param->u.ofdm;
+ state->frequency = param->frequency;
+
zl10353_single_write(fe, RESET, 0x80);
udelay(200);
zl10353_single_write(fe, 0xEA, 0x01);
@@ -469,7 +473,7 @@ static int zl10353_get_parameters(struct dvb_frontend *fe,
break;
}
- param->frequency = 0;
+ param->frequency = state->frequency;
op->bandwidth = state->bandwidth;
param->inversion = INVERSION_AUTO;
@@ -549,9 +553,13 @@ static int zl10353_read_snr(struct dvb_frontend *fe, u16 *snr)
static int zl10353_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
struct zl10353_state *state = fe->demodulator_priv;
+ u32 ubl = 0;
+
+ ubl = zl10353_read_register(state, RS_UBC_1) << 8 |
+ zl10353_read_register(state, RS_UBC_0);
- *ucblocks = zl10353_read_register(state, RS_UBC_1) << 8 |
- zl10353_read_register(state, RS_UBC_0);
+ state->ucblocks += ubl;
+ *ucblocks = state->ucblocks;
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-27 08:27:05 +0000