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Diffstat (limited to 'drivers/media/dvb/b2c2/b2c2-common.c')
-rw-r--r--drivers/media/dvb/b2c2/b2c2-common.c214
1 files changed, 214 insertions, 0 deletions
diff --git a/drivers/media/dvb/b2c2/b2c2-common.c b/drivers/media/dvb/b2c2/b2c2-common.c
new file mode 100644
index 000000000000..000d60c405e3
--- /dev/null
+++ b/drivers/media/dvb/b2c2/b2c2-common.c
@@ -0,0 +1,214 @@
+/*
+ * b2c2-common.c - common methods for the B2C2/Technisat SkyStar2 PCI DVB card and
+ * for the B2C2/Technisat Sky/Cable/AirStar USB devices
+ * based on the FlexCopII/FlexCopIII by B2C2, Inc.
+ *
+ * Copyright (C) 2003 Vadim Catana, skystar@moldova.cc
+ *
+ * FIX: DISEQC Tone Burst in flexcop_diseqc_ioctl()
+ * FIX: FULL soft DiSEqC for skystar2 (FlexCopII rev 130) VP310 equipped
+ * Vincenzo Di Massa, hawk.it at tiscalinet.it
+ *
+ * Converted to Linux coding style
+ * Misc reorganization, polishing, restyling
+ * Roberto Ragusa, r.ragusa at libero.it
+ *
+ * Added hardware filtering support,
+ * Niklas Peinecke, peinecke at gdv.uni-hannover.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * 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 Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+#include "stv0299.h"
+#include "mt352.h"
+#include "mt312.h"
+
+static int samsung_tbmu24112_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
+{
+ u8 aclk = 0;
+ u8 bclk = 0;
+
+ 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 int samsung_tbmu24112_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
+{
+ u8 buf[4];
+ u32 div;
+ struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
+// struct adapter* adapter = (struct adapter*) fe->dvb->priv;
+
+ div = params->frequency / 125;
+
+ buf[0] = (div >> 8) & 0x7f;
+ buf[1] = div & 0xff;
+ buf[2] = 0x84; // 0xC4
+ buf[3] = 0x08;
+
+ if (params->frequency < 1500000) buf[3] |= 0x10;
+
+// if (i2c_transfer (&adapter->i2c_adap, &msg, 1) != 1) return -EIO;
+ return 0;
+}
+
+static u8 samsung_tbmu24112_inittab[] = {
+ 0x01, 0x15,
+ 0x02, 0x30,
+ 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, 0x93,
+ 0xff, 0xff,
+};
+
+static struct stv0299_config samsung_tbmu24112_config = {
+ .demod_address = 0x68,
+ .inittab = samsung_tbmu24112_inittab,
+ .mclk = 88000000UL,
+ .invert = 0,
+ .enhanced_tuning = 0,
+ .skip_reinit = 0,
+ .lock_output = STV0229_LOCKOUTPUT_LK,
+ .volt13_op0_op1 = STV0299_VOLT13_OP1,
+ .min_delay_ms = 100,
+ .set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
+ .pll_set = samsung_tbmu24112_pll_set,
+};
+
+
+
+
+
+static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
+{
+ static u8 mt352_clock_config [] = { 0x89, 0x10, 0x2d };
+ static u8 mt352_reset [] = { 0x50, 0x80 };
+ static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
+ static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0xa1 };
+ static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
+
+ mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
+ udelay(2000);
+ mt352_write(fe, mt352_reset, sizeof(mt352_reset));
+ mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
+
+ mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
+ mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
+
+ return 0;
+}
+
+static int samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
+{
+ u32 div;
+ unsigned char bs = 0;
+
+ #define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */
+ div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
+
+ if (params->frequency >= 48000000 && params->frequency <= 154000000) bs = 0x09;
+ if (params->frequency >= 161000000 && params->frequency <= 439000000) bs = 0x0a;
+ if (params->frequency >= 447000000 && params->frequency <= 863000000) bs = 0x08;
+
+ pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
+ pllbuf[1] = div >> 8;
+ pllbuf[2] = div & 0xff;
+ pllbuf[3] = 0xcc;
+ pllbuf[4] = bs;
+
+ return 0;
+}
+
+static struct mt352_config samsung_tdtc9251dh0_config = {
+
+ .demod_address = 0x0f,
+ .demod_init = samsung_tdtc9251dh0_demod_init,
+ .pll_set = samsung_tdtc9251dh0_pll_set,
+};
+
+static int skystar23_samsung_tbdu18132_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
+{
+ u8 buf[4];
+ u32 div;
+ struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
+// struct adapter* adapter = (struct adapter*) fe->dvb->priv;
+
+ div = (params->frequency + (125/2)) / 125;
+
+ buf[0] = (div >> 8) & 0x7f;
+ buf[1] = (div >> 0) & 0xff;
+ buf[2] = 0x84 | ((div >> 10) & 0x60);
+ buf[3] = 0x80;
+
+ if (params->frequency < 1550000)
+ buf[3] |= 0x02;
+
+ //if (i2c_transfer (&adapter->i2c_adap, &msg, 1) != 1) return -EIO;
+ return 0;
+}
+
+static struct mt312_config skystar23_samsung_tbdu18132_config = {
+
+ .demod_address = 0x0e,
+ .pll_set = skystar23_samsung_tbdu18132_pll_set,
+};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.