From 4f3ca2f152844c5f6ea853077f56d0db877d1f7a Mon Sep 17 00:00:00 2001 From: Dirk Herrendoerfer Date: Thu, 11 Feb 2010 18:06:34 -0300 Subject: [PATCH] V4L/DVB: Add support for SMT7020 to cx88 This patch adds support for the built-in dvb device of a Samsung SMT7020s (x86 based STB) to the cx88 family. Signed-off-by: Dirk Herrendoerfer Signed-off-by: Helmut Auer Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-cards.c | 23 ++++ drivers/media/video/cx88/cx88-dvb.c | 216 ++++++++++++++++++++++++++++++++++ drivers/media/video/cx88/cx88-mpeg.c | 3 + drivers/media/video/cx88/cx88.h | 1 + 4 files changed, 243 insertions(+) diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index d844f2a..eaf0ee7d 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1466,6 +1466,18 @@ static const struct cx88_board cx88_boards[] = { .audioroute = 8, }, }, + [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, + }, [CX88_BOARD_ADSTECH_PTV_390] = { .name = "ADS Tech Instant Video PCI", .tuner_type = TUNER_ABSENT, @@ -2355,6 +2367,14 @@ static const struct cx88_subid cx88_subids[] = { .subvendor = 0x0070, .subdevice = 0x1404, .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, .subdevice = 0xc111, /* AverMedia M150-D */ @@ -2633,6 +2653,9 @@ static void hauppauge_eeprom(struct cx88_core *core, u8 *eeprom_data) case 98559: /* WinTV-HVR1100LP (Video no IR, Retail - Low Profile) */ /* known */ break; + case CX88_BOARD_SAMSUNG_SMT_7020: + cx_set(MO_GP0_IO, 0x008989FF); + break; default: warn_printk(core, "warning: unknown hauppauge model #%d\n", tv.model); diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index b142969..5070def 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -674,6 +674,194 @@ static int cx8802_alloc_frontends(struct cx8802_dev *dev) return 0; } + + +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) }; + + 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; + + 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: + cx_set(MO_GP0_IO, 0x08); + break; + case SEC_TONE_OFF: + 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 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 | ISL6421_LLC1; + cx_clear(MO_GP0_IO, 0x80); + break; + case SEC_VOLTAGE_18: + data = ISL6421_EN1 | ISL6421_LLC1 | ISL6421_VSEL1; + cx_clear(MO_GP0_IO, 0x80); + 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; + + 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 = STV0299_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) { struct cx88_core *core = dev->core; @@ -1203,6 +1391,34 @@ static int dvb_register(struct cx8802_dev *dev) } 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); + + fe0->dvb.frontend = dvb_attach(stv0299_attach, + &samsung_stv0299_config, + &dev->core->i2c_adap); + if (fe0->dvb.frontend) { + fe0->dvb.frontend->ops.tuner_ops.set_params = + samsung_smt_7020_tuner_set_params; + fe0->dvb.frontend->tuner_priv = + &dev->core->i2c_adap; + fe0->dvb.frontend->ops.set_voltage = + samsung_smt_7020_set_voltage; + fe0->dvb.frontend->ops.set_tone = + samsung_smt_7020_set_tone; + } + + break; + default: printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n", core->name); diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c index bb51048..338af77 100644 --- a/drivers/media/video/cx88/cx88-mpeg.c +++ b/drivers/media/video/cx88/cx88-mpeg.c @@ -110,6 +110,9 @@ static int cx8802_start_dma(struct cx8802_dev *dev, 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 --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index b1499bf..48b6c04 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -239,6 +239,7 @@ extern struct sram_channel cx88_sram_channels[]; #define CX88_BOARD_WINFAST_DTV1800H 81 #define CX88_BOARD_WINFAST_DTV2000H_J 82 #define CX88_BOARD_PROF_7301 83 +#define CX88_BOARD_SAMSUNG_SMT_7020 84 enum cx88_itype { CX88_VMUX_COMPOSITE1 = 1, -- 2.7.4