Hello List
The attached patch (written by Dirk Herrendoerfer) adds support for the
builtin tuner of the samsung smt7020 box ( based on an Intel830 board ).
It would be fine to see this one inside the v4l tree.
--
Helmut Auer, helmut@xxxxxxxxxxxxx
diff -purN v4l-dvb.orig/linux/drivers/media/video/cx88/cx88-cards.c v4l-dvb/linux/drivers/media/video/cx88/cx88-cards.c
--- v4l-dvb.orig/linux/drivers/media/video/cx88/cx88-cards.c 2007-02-17 23:27:22.000000000 +0100
+++ v4l-dvb/linux/drivers/media/video/cx88/cx88-cards.c 2007-03-14 13:45:08.000000000 +0100
@@ -1362,6 +1362,19 @@ struct cx88_board cx88_boards[] = {
/* fixme: Add radio support */
.mpeg = CX88_MPEG_DVB | CX88_MPEG_BLACKBIRD,
},
+ [CX88_BOARD_SAMSUNG_SMT_7020] = {
+ .name = "Samsung SMT 7020 DVB-S",
+ .tuner_type = TUNER_ABSENT,
+ .radio_type = UNSET,
+ .tuner_addr = ADDR_UNSET,
+ .radio_addr = ADDR_UNSET,
+ .input = {{
+ .type = CX88_VMUX_DVB,
+ .vmux = 0,
+ }},
+ .mpeg = CX88_MPEG_DVB,
+ },
+
};
const unsigned int cx88_bcount = ARRAY_SIZE(cx88_boards);
@@ -1664,6 +1677,14 @@ struct cx88_subid cx88_subids[] = {
.subvendor = 0x0070,
.subdevice = 0x1402,
.card = CX88_BOARD_HAUPPAUGE_HVR3000,
+ },{
+ .subvendor = 0x18ac,
+ .subdevice = 0xdc00,
+ .card = CX88_BOARD_SAMSUNG_SMT_7020,
+ },{
+ .subvendor = 0x18ac,
+ .subdevice = 0xdccd,
+ .card = CX88_BOARD_SAMSUNG_SMT_7020,
},{
.subvendor = 0x1461,
const unsigned int cx88_idcount = ARRAY_SIZE(cx88_subids);
@@ -1955,6 +1973,12 @@ void cx88_card_setup(struct cx88_core *c
core->name, i);
}
break;
+ case CX88_BOARD_SAMSUNG_SMT_7020:
+ cx_set(MO_GP0_IO, 0x008989FF);
+ //cx_set(MO_GP3_IO, 0x00000000);
+ printk("!!Samsung RESET done.\n");
+ break;
+
}
if (cx88_boards[core->board].radio.type == CX88_RADIO)
core->has_radio = 1;
diff -purN v4l-dvb.orig/linux/drivers/media/video/cx88/cx88-dvb.c v4l-dvb/linux/drivers/media/video/cx88/cx88-dvb.c
--- v4l-dvb.orig/linux/drivers/media/video/cx88/cx88-dvb.c 2007-02-17 23:27:22.000000000 +0100
+++ v4l-dvb/linux/drivers/media/video/cx88/cx88-dvb.c 1988-01-01 00:51:29.000000000 +0100
@@ -46,6 +46,7 @@
#include "lgh06xf.h"
#include "nxt200x.h"
#include "cx24123.h"
+#include "stv0299.h"
#include "isl6421.h"
MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
@@ -443,6 +444,187 @@ static struct cx24123_config kworld_dvbs
.lnb_polarity = 1,
};
+
+
+static u8 samsung_smt_7020_inittab[] = {
+ 0x01, 0x15,
+ 0x02, 0x00,
+ 0x03, 0x00,
+ 0x04, 0x7D,
+ 0x05, 0x0F,
+ 0x06, 0x02,
+ 0x07, 0x00,
+ 0x08, 0x60,
+
+ 0x0A, 0xC2,
+ 0x0B, 0x00,
+
+ 0x0C, 0x01,
+
+ 0x0D, 0x81,
+ 0x0E, 0x44,
+ 0x0F, 0x09,
+ 0x10, 0x3C,
+ 0x11, 0x84,
+ 0x12, 0xDA,
+ 0x13, 0x99,
+ 0x14, 0x8D,
+ 0x15, 0xCE,
+ 0x16, 0xE8,
+ 0x17, 0x43,
+ 0x18, 0x1C,
+ 0x19, 0x1B,
+ 0x1A, 0x1D,
+
+ 0x1C, 0x12,
+
+ 0x1D, 0x00,
+ 0x1E, 0x00,
+
+ 0x1F, 0x00,
+ 0x20, 0x00,
+ 0x21, 0x00,
+
+ 0x22, 0x00,
+ 0x23, 0x00,
+
+ 0x28, 0x02,
+
+ 0x29, 0x28,
+ 0x2A, 0x14,
+ 0x2B, 0x0F,
+ 0x2C, 0x09,
+ 0x2D, 0x05,
+
+ 0x31, 0x1F,
+ 0x32, 0x19,
+ 0x33, 0xFC,
+ 0x34, 0x13,
+ 0xff, 0xff,
+};
+
+
+static int samsung_smt_7020_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters *params)
+{
+ struct cx8802_dev *dev= fe->dvb->priv;
+ u8 buf[4];
+ u32 div;
+ struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
+
+// printk("!!Samsung samsung_tuner_set_params() freq: %d\n",params->frequency);
+
+ div = params->frequency / 125;
+
+ buf[0] = (div >> 8) & 0x7f;
+ buf[1] = div & 0xff;
+ buf[2] = 0x84; /* 0xC4 */
+ buf[3] = 0x00;
+
+ if (params->frequency < 1500000) buf[3] |= 0x10;
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+
+ if ((i2c_transfer(&dev->core->i2c_adap, &msg, 1)) != 1) {
+ return -EIO;
+ }
+
+// printk("!!Samsung samsung_tuner_set_params() OK.\n");
+ return 0;
+}
+
+static int samsung_smt_7020_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
+{
+ struct cx8802_dev *dev= fe->dvb->priv;
+ struct cx88_core *core = dev->core;
+
+ cx_set(MO_GP0_IO, 0x0800);
+
+ switch (tone) {
+ case SEC_TONE_ON:
+// printk("!!Samsung samsung_set_tone() ON OK.\n");
+ cx_set(MO_GP0_IO, 0x08);
+ break;
+ case SEC_TONE_OFF:
+// printk("!!Samsung samsung_set_tone() OFF OK.\n");
+ cx_clear(MO_GP0_IO, 0x08);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int samsung_smt_7020_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+ struct cx8802_dev *dev= fe->dvb->priv;
+ struct cx88_core *core = dev->core;
+
+ u8 data;
+ //struct isl6421 *isl6421 = (struct isl6421 *) fe->sec_priv;
+ struct i2c_msg msg = { .addr = 8, .flags = 0,
+ .buf = &data,
+ .len = sizeof(data) };
+
+ cx_set(MO_GP0_IO, 0x8000);
+
+ switch(voltage) {
+ case SEC_VOLTAGE_OFF:
+ break;
+ case SEC_VOLTAGE_13:
+ data = ISL6421_EN1;
+ cx_clear(MO_GP0_IO, 0x80);
+// printk("!!Samsung samsung_set_voltage() 13V OK.\n");
+ break;
+ case SEC_VOLTAGE_18:
+ data = ISL6421_EN1;
+ cx_set(MO_GP0_IO, 0x80);
+// printk("!!Samsung samsung_set_voltage() 18V OK.\n");
+ break;
+ default:
+ return -EINVAL;
+ };
+
+ return (i2c_transfer(&dev->core->i2c_adap, &msg, 1) == 1) ? 0 : -EIO;
+}
+
+static int samsung_smt_7020_stv0299_set_symbol_rate(struct dvb_frontend *fe, u32 srate, u32 ratio)
+{
+ u8 aclk = 0;
+ u8 bclk = 0;
+
+// printk("!!Samsung samsung_tuner_set_symbol_rate() srate:%d ratio:%d\n",srate,ratio);
+ 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 struct stv0299_config samsung_stv0299_config = {
+ .demod_address = 0x68,
+ .inittab = samsung_smt_7020_inittab,
+ .mclk = 88000000UL,
+ .invert = 0,
+ .skip_reinit = 0,
+ .lock_output = STV0229_LOCKOUTPUT_LK,
+ .volt13_op0_op1 = STV0299_VOLT13_OP1,
+ .min_delay_ms = 100,
+ .set_symbol_rate = samsung_smt_7020_stv0299_set_symbol_rate,
+};
+
static int dvb_register(struct cx8802_dev *dev)
{
/* init struct videobuf_dvb */
@@ -711,6 +893,34 @@ static int dvb_register(struct cx8802_de
&dev->core->i2c_adap, &dvb_pll_fmd1216me);
}
break;
+ case CX88_BOARD_SAMSUNG_SMT_7020:
+ dev->ts_gen_cntrl = 0x08;
+ {
+ struct cx88_core *core = dev->core;
+
+ cx_set(MO_GP0_IO, 0x0101);
+
+ cx_clear(MO_GP0_IO, 0x01);
+ mdelay(100);
+ cx_set(MO_GP0_IO, 0x01);
+ mdelay(200);
+
+ //cx_clear(MO_GP0_IO, 0x0088);
+
+ dev->dvb.frontend = dvb_attach(stv0299_attach,
+ &samsung_stv0299_config,
+ &dev->core->i2c_adap);
+ if (dev->dvb.frontend) {
+ dev->dvb.frontend->ops.tuner_ops.set_params = samsung_smt_7020_tuner_set_params;
+ dev->dvb.frontend->tuner_priv = &dev->core->i2c_adap;
+ dev->dvb.frontend->ops.set_voltage = samsung_smt_7020_set_voltage;
+ dev->dvb.frontend->ops.set_tone = samsung_smt_7020_set_tone;
+
+// printk("!!Samsung INIT done.\n");
+ }
+ }
+ break;
+
default:
printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
dev->core->name);
diff -purN v4l-dvb.orig/linux/drivers/media/video/cx88/cx88-mpeg.c v4l-dvb/linux/drivers/media/video/cx88/cx88-mpeg.c
--- v4l-dvb.orig/linux/drivers/media/video/cx88/cx88-mpeg.c 2007-02-17 23:27:22.000000000 +0100
+++ v4l-dvb/linux/drivers/media/video/cx88/cx88-mpeg.c 1988-01-01 00:51:52.000000000 +0100
@@ -98,6 +98,9 @@ static int cx8802_start_dma(struct cx880
case CX88_BOARD_PCHDTV_HD5500:
cx_write(TS_SOP_STAT, 1<<13);
break;
+ case CX88_BOARD_SAMSUNG_SMT_7020:
+ cx_write(TS_SOP_STAT, 0x00);
+ break;
case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */
diff -purN v4l-dvb.orig/linux/drivers/media/video/cx88/cx88.h v4l-dvb/linux/drivers/media/video/cx88/cx88.h
--- v4l-dvb.orig/linux/drivers/media/video/cx88/cx88.h 2007-02-17 23:27:22.000000000 +0100
+++ v4l-dvb/linux/drivers/media/video/cx88/cx88.h 1988-01-01 01:04:05.000000000 +0100
@@ -212,6 +212,7 @@ extern struct sram_channel cx88_sram_cha
#define CX88_BOARD_HAUPPAUGE_HVR1300 56
#define CX88_BOARD_ADSTECH_PTV_390 57
#define CX88_BOARD_PINNACLE_PCTV_HD_800i 58
+#define CX88_BOARD_SAMSUNG_SMT_7020 59
enum cx88_itype {
CX88_VMUX_COMPOSITE1 = 1,
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