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Diffstat (limited to 'linux/drivers/media/dvb/frontends/stv0299.c')
-rw-r--r--linux/drivers/media/dvb/frontends/stv0299.c205
1 files changed, 162 insertions, 43 deletions
diff --git a/linux/drivers/media/dvb/frontends/stv0299.c b/linux/drivers/media/dvb/frontends/stv0299.c
index 927099865..18ecc1030 100644
--- a/linux/drivers/media/dvb/frontends/stv0299.c
+++ b/linux/drivers/media/dvb/frontends/stv0299.c
@@ -19,6 +19,12 @@
Copyright (C) 2002 Felix Domke <tmbinc@elitedvb.net>
& Andreas Oberritter <andreas@oberritter.de>
+ Changelog :
+
+ Vadim Catana <skystar@moldova.cc>:
+ added support for Samsung TBMU24112IMB used on Technisat SkyStar2 rev. 2.6B
+
+
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
@@ -39,6 +45,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
+#include <asm/div64.h>
#include "dvb_frontend.h"
#include "dvb_functions.h"
@@ -51,11 +58,12 @@
/* frontend types */
-#define UNKNOWN_FRONTEND -1
-#define PHILIPS_SU1278SH 0
-#define ALPS_BSRU6 1
-#define LG_TDQF_S001F 2
-#define PHILIPS_SU1278 3
+#define UNKNOWN_FRONTEND -1
+#define PHILIPS_SU1278SH 0
+#define ALPS_BSRU6 1
+#define LG_TDQF_S001F 2
+#define PHILIPS_SU1278 3
+#define SAMSUNG_TBMU24112IMB 4
/* Master Clock = 88 MHz */
#define M_CLK (88000000UL)
@@ -142,6 +150,51 @@ static u8 init_tab [] = {
};
+static u8 init_tab_samsung [] = {
+ 0x01, 0x15,
+ 0x02, 0x00,
+ 0x03, 0x00,
+ 0x04, 0x7D,
+ 0x05, 0x35,
+ 0x06, 0x02,
+ 0x07, 0x00,
+ 0x08, 0xC3,
+ 0x0C, 0x00,
+ 0x0D, 0x81,
+ 0x0E, 0x23,
+ 0x0F, 0x12,
+ 0x10, 0x7E,
+ 0x11, 0x84,
+ 0x12, 0xB9,
+ 0x13, 0x88,
+ 0x14, 0x89,
+ 0x15, 0xC9,
+ 0x16, 0x00,
+ 0x17, 0x5C,
+ 0x18, 0x00,
+ 0x19, 0x00,
+ 0x1A, 0x00,
+ 0x1C, 0x00,
+ 0x1D, 0x00,
+ 0x1E, 0x00,
+ 0x1F, 0x3A,
+ 0x20, 0x2E,
+ 0x21, 0x80,
+ 0x22, 0xFF,
+ 0x23, 0xC1,
+ 0x28, 0x00,
+ 0x29, 0x1E,
+ 0x2A, 0x14,
+ 0x2B, 0x0F,
+ 0x2C, 0x09,
+ 0x2D, 0x05,
+ 0x31, 0x1F,
+ 0x32, 0x19,
+ 0x33, 0xFE,
+ 0x34, 0xB3
+};
+
+
static int stv0299_writereg (struct dvb_i2c_bus *i2c, u8 reg, u8 data)
{
int ret;
@@ -194,18 +247,19 @@ static int stv0299_readregs (struct dvb_i2c_bus *i2c, u8 reg1, u8 *b, u8 len)
static int pll_write (struct dvb_i2c_bus *i2c, u8 addr, u8 *data, int len)
{
int ret;
- u8 rpt1 [] = { 0x05, 0xb5 }; /* enable i2c repeater on stv0299 */
- u8 rpt2 [] = { 0x05, 0x35 }; /* disable i2c repeater on stv0299 */
- struct i2c_msg msg [] = {{ .addr = 0x68, .flags = 0, .buf = rpt1, .len = 2 },
- { addr: addr, .flags = 0, .buf = data, .len = len },
- { .addr = 0x68, .flags = 0, .buf = rpt2, .len = 2 }};
+ struct i2c_msg msg = { addr: addr, .flags = 0, .buf = data, .len = len };
+
- ret = i2c->xfer (i2c, msg, 3);
+ stv0299_writereg(i2c, 0x05, 0xb5); /* enable i2c repeater on stv0299 */
- if (ret != 3)
- printk("%s: i/o error (ret == %i)\n", __FUNCTION__, ret);
+ ret = i2c->xfer (i2c, &msg, 1);
- return (ret != 3) ? ret : 0;
+ stv0299_writereg(i2c, 0x05, 0x35); /* disable i2c repeater on stv0299 */
+
+ if (ret != 1)
+ dprintk("%s: i/o error (ret == %i)\n", __FUNCTION__, ret);
+
+ return (ret != 1) ? -1 : 0;
}
@@ -214,23 +268,16 @@ static int sl1935_set_tv_freq (struct dvb_i2c_bus *i2c, u32 freq, int ftype)
u8 buf[4];
u32 div;
- u32 ratios[] = { 2000, 1000, 500, 250, 125 };
- u8 ratio;
-
- for (ratio = 4; ratio > 0; ratio--)
- if ((freq / ratios[ratio]) <= 0x3fff)
- break;
+ div = freq / 125;
- div = freq / ratios[ratio];
+ dprintk("%s : freq = %i, div = %i\n", __FUNCTION__, freq, div);
- buf[0] = (freq >> 8) & 0x7f;
- buf[1] = freq & 0xff;
- buf[2] = 0x80 | ratio;
+ buf[0] = (div >> 8) & 0x7f;
+ buf[1] = div & 0xff;
+ buf[2] = 0x84; // 0xC4
+ buf[3] = 0x08;
- if (freq < 1531000)
- buf[3] = 0x10;
- else
- buf[3] = 0x00;
+ if (freq < 1500000) buf[3] |= 0x10;
return pll_write (i2c, 0x61, buf, sizeof(buf));
}
@@ -386,7 +433,9 @@ static int tua6100_set_tv_freq (struct dvb_i2c_bus *i2c, u32 freq,
static int pll_set_tv_freq (struct dvb_i2c_bus *i2c, u32 freq, int ftype, int srate)
{
- if (ftype == LG_TDQF_S001F)
+ if (ftype == SAMSUNG_TBMU24112IMB)
+ return sl1935_set_tv_freq(i2c, freq, ftype);
+ else if (ftype == LG_TDQF_S001F)
return sl1935_set_tv_freq(i2c, freq, ftype);
else if (ftype == PHILIPS_SU1278)
return tua6100_set_tv_freq(i2c, freq, ftype, srate);
@@ -422,6 +471,20 @@ static int stv0299_init (struct dvb_i2c_bus *i2c, int ftype)
dprintk("stv0299: init chip\n");
+ if(ftype == SAMSUNG_TBMU24112IMB)
+ {
+ dprintk("%s: init stv0299 chip for Samsung TBMU24112IMB\n", __FUNCTION__);
+
+ for (i=0; i<sizeof(init_tab_samsung); i+=2)
+ {
+ dprintk("%s: reg == 0x%02x, val == 0x%02x\n", __FUNCTION__, init_tab_samsung[i], init_tab_samsung[i+1]);
+
+ stv0299_writereg (i2c, init_tab_samsung[i], init_tab_samsung[i+1]);
+ }
+
+ return 0;
+ }
+
stv0299_writereg (i2c, 0x01, 0x15);
stv0299_writereg (i2c, 0x02, ftype == PHILIPS_SU1278 ? 0x00 : 0x30);
stv0299_writereg (i2c, 0x03, 0x00);
@@ -449,6 +512,7 @@ static int stv0299_check_inversion (struct dvb_i2c_bus *i2c)
dvb_delay(30);
if ((stv0299_readreg (i2c, 0x1b) & 0x98) != 0x98) {
u8 val = stv0299_readreg (i2c, 0x0c);
+ dprintk ("%s : changing inversion\n", __FUNCTION__);
return stv0299_writereg (i2c, 0x0c, val ^ 0x01);
}
}
@@ -463,20 +527,41 @@ static int stv0299_set_FEC (struct dvb_i2c_bus *i2c, fe_code_rate_t fec)
switch (fec) {
case FEC_AUTO:
+ {
+ dprintk ("%s : FEC_AUTO\n", __FUNCTION__);
return stv0299_writereg (i2c, 0x31, 0x1f);
+ }
case FEC_1_2:
+ {
+ dprintk ("%s : FEC_1_2\n", __FUNCTION__);
return stv0299_writereg (i2c, 0x31, 0x01);
+ }
case FEC_2_3:
+ {
+ dprintk ("%s : FEC_2_3\n", __FUNCTION__);
return stv0299_writereg (i2c, 0x31, 0x02);
+ }
case FEC_3_4:
+ {
+ dprintk ("%s : FEC_3_4\n", __FUNCTION__);
return stv0299_writereg (i2c, 0x31, 0x04);
+ }
case FEC_5_6:
+ {
+ dprintk ("%s : FEC_5_6\n", __FUNCTION__);
return stv0299_writereg (i2c, 0x31, 0x08);
+ }
case FEC_7_8:
+ {
+ dprintk ("%s : FEC_7_8\n", __FUNCTION__);
return stv0299_writereg (i2c, 0x31, 0x10);
+ }
default:
+ {
+ dprintk ("%s : FEC invalid\n", __FUNCTION__);
return -EINVAL;
}
+ }
}
@@ -607,11 +692,20 @@ static int stv0299_set_tone (struct dvb_i2c_bus *i2c, fe_sec_tone_mode_t tone)
switch (tone) {
case SEC_TONE_ON:
+ {
+ dprintk("%s: TONE_ON\n", __FUNCTION__);
return stv0299_writereg (i2c, 0x08, val | 0x3);
+ }
case SEC_TONE_OFF:
+ {
+ dprintk("%s: TONE_OFF\n", __FUNCTION__);
return stv0299_writereg (i2c, 0x08, (val & ~0x3) | 0x02);
+ }
default:
+ {
+ dprintk("%s: TONE INVALID\n", __FUNCTION__);
return -EINVAL;
+ }
};
}
@@ -654,8 +748,9 @@ static int stv0299_set_voltage (struct dvb_i2c_bus *i2c, fe_sec_voltage_t voltag
static int stv0299_set_symbolrate (struct dvb_i2c_bus *i2c, u32 srate)
{
+ u64 big = srate;
u32 ratio;
- u32 tmp;
+
u8 aclk = 0xb4, bclk = 0x51;
if (srate > M_CLK)
@@ -669,19 +764,23 @@ static int stv0299_set_symbolrate (struct dvb_i2c_bus *i2c, u32 srate)
if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
-#define FIN (M_CLK >> 4)
-
- tmp = srate << 4;
- ratio = tmp / FIN;
-
- tmp = (tmp % FIN) << 8;
- ratio = (ratio << 8) + tmp / FIN;
-
- tmp = (tmp % FIN) << 8;
- ratio = (ratio << 8) + tmp / FIN;
-
stv0299_writereg (i2c, 0x13, aclk);
stv0299_writereg (i2c, 0x14, bclk);
+
+ dprintk("%s : big = 0x%08x%08x\n", __FUNCTION__, (int) ((big>>32) & 0xffffffff), (int) (big & 0xffffffff) );
+
+ big = big << 20;
+
+ dprintk("%s : big = 0x%08x%08x\n", __FUNCTION__, (int) ((big>>32) & 0xffffffff), (int) (big & 0xffffffff) );
+
+ do_div(big, M_CLK);
+
+ dprintk("%s : big = 0x%08x%08x\n", __FUNCTION__, (int) ((big>>32) & 0xffffffff), (int) (big & 0xffffffff) );
+
+ ratio = big << 4;
+
+ dprintk("%s : ratio = %i\n", __FUNCTION__, ratio);
+
stv0299_writereg (i2c, 0x1f, (ratio >> 16) & 0xff);
stv0299_writereg (i2c, 0x20, (ratio >> 8) & 0xff);
stv0299_writereg (i2c, 0x21, (ratio ) & 0xf0);
@@ -711,6 +810,9 @@ static int stv0299_get_symbolrate (struct dvb_i2c_bus *i2c)
offset = (s32) rtf * (srate / 4096L);
offset /= 128;
+ dprintk ("%s : srate = %i\n", __FUNCTION__, srate);
+ dprintk ("%s : ofset = %i\n", __FUNCTION__, offset);
+
srate += offset;
srate += 1000;
@@ -726,6 +828,8 @@ static int uni0299_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg)
int tuner_type = (long) fe->data;
struct dvb_i2c_bus *i2c = fe->i2c;
+ dprintk ("%s\n", __FUNCTION__);
+
switch (cmd) {
case FE_GET_INFO:
memcpy (arg, &uni0299_info, sizeof(struct dvb_frontend_info));
@@ -737,7 +841,7 @@ static int uni0299_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg)
u8 signal = 0xff - stv0299_readreg (i2c, 0x18);
u8 sync = stv0299_readreg (i2c, 0x1b);
- dprintk ("VSTATUS: 0x%02x\n", sync);
+ dprintk ("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __FUNCTION__, sync);
*status = 0;
@@ -769,7 +873,7 @@ static int uni0299_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg)
s32 signal = 0xffff - ((stv0299_readreg (i2c, 0x18) << 8)
| stv0299_readreg (i2c, 0x19));
- dprintk ("AGC2I: 0x%02x%02x, signal=0x%04x\n",
+ dprintk ("%s : FE_READ_SIGNAL_STRENGTH : AGC2I: 0x%02x%02x, signal=0x%04x\n", __FUNCTION__,
stv0299_readreg (i2c, 0x18),
stv0299_readreg (i2c, 0x19), (int) signal);
@@ -795,6 +899,8 @@ static int uni0299_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg)
{
struct dvb_frontend_parameters *p = arg;
+ dprintk ("%s : FE_SET_FRONTEND\n", __FUNCTION__);
+
pll_set_tv_freq (i2c, p->frequency, tuner_type,
p->u.qpsk.symbol_rate);
@@ -860,6 +966,8 @@ static int uni0299_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg)
static long probe_tuner (struct dvb_i2c_bus *i2c)
{
+ struct dvb_adapter * adapter = (struct dvb_adapter *) i2c->adapter;
+
/* read the status register of TSA5059 */
u8 rpt[] = { 0x05, 0xb5 };
u8 stat [] = { 0 };
@@ -876,6 +984,17 @@ static long probe_tuner (struct dvb_i2c_bus *i2c)
stv0299_writereg (i2c, 0x02, 0x30);
stv0299_writereg (i2c, 0x03, 0x00);
+
+ printk ("%s: try to attach to %s\n", __FUNCTION__, adapter->name);
+
+ if ( strcmp(adapter->name, "Technisat SkyStar2 driver") == 0 )
+ {
+ printk ("%s: setup for tuner Samsung TBMU24112IMB\n", __FILE__);
+
+ return SAMSUNG_TBMU24112IMB;
+ }
+
+
if ((ret = i2c->xfer(i2c, msg1, 2)) == 2) {
printk ("%s: setup for tuner SU1278/SH\n", __FILE__);
return PHILIPS_SU1278SH;
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-08 20:37:49 +0000