From: Olivier DANET Date: Wed, 25 Jul 2007 17:42:54 +0000 (-0300) Subject: V4L/DVB (5914): Add initial support for Dual-DVB-T stick X-Git-Tag: v2.6.24-rc1~1463^2~293 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54d75ebaa02809f24a16624e32706af3bf97588e;p=linux-2.6 V4L/DVB (5914): Add initial support for Dual-DVB-T stick Add initial support for Dual-DVB-T stick based on DiB7700 and MT2266 - Microtune MT2266 driver. - Preliminary support for these dual tuner devices : - Pinnacle Dual DVB-T diversity - Terratec Cinergy DT USB XS diversity - Hauppauge Nova TD USB Signed-off-by: Olivier DANET Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index 40e41f2f5a..dec03ee32e 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -74,6 +74,7 @@ config DVB_USB_DIB0700 select DVB_DIB7000M select DVB_DIB3000MC select DVB_TUNER_MT2060 if !DVB_FE_CUSTOMISE + select DVB_TUNER_MT2266 if !DVB_FE_CUSTOMISE help Support for USB2.0/1.1 DVB receivers based on the DiB0700 USB bridge. The USB bridge is also present in devices having the DiB7700 DVB-T-USB diff --git a/drivers/media/dvb/dvb-usb/dib0700.h b/drivers/media/dvb/dvb-usb/dib0700.h index cda3adea24..74ae6c2408 100644 --- a/drivers/media/dvb/dvb-usb/dib0700.h +++ b/drivers/media/dvb/dvb-usb/dib0700.h @@ -35,12 +35,13 @@ extern int dvb_usb_dib0700_debug; struct dib0700_state { u8 channel_state; u16 mt2060_if1[2]; - + u8 rc_toggle; u8 is_dib7000pc; }; extern int dib0700_set_gpio(struct dvb_usb_device *, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val); extern int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3); +extern int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen); extern int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw); extern int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff); extern struct i2c_algorithm dib0700_i2c_algo; @@ -50,5 +51,4 @@ extern int dib0700_identify_state(struct usb_device *udev, struct dvb_usb_device extern int dib0700_device_count; extern struct dvb_usb_device_properties dib0700_devices[]; extern struct usb_device_id dib0700_usb_id_table[]; - #endif diff --git a/drivers/media/dvb/dvb-usb/dib0700_core.c b/drivers/media/dvb/dvb-usb/dib0700_core.c index dddf164f26..8a1ea114de 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_core.c +++ b/drivers/media/dvb/dvb-usb/dib0700_core.c @@ -32,7 +32,7 @@ static int dib0700_ctrl_wr(struct dvb_usb_device *d, u8 *tx, u8 txlen) } /* expecting tx buffer: request data[0] ... data[n] (n <= 4) */ -static int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) +int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) { u16 index, value; int status; diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 2208757d90..122d9d4b4b 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -12,6 +12,7 @@ #include "dib7000m.h" #include "dib7000p.h" #include "mt2060.h" +#include "mt2266.h" static int force_lna_activation; module_param(force_lna_activation, int, 0644); @@ -96,6 +97,228 @@ static int bristol_tuner_attach(struct dvb_usb_adapter *adap) st->mt2060_if1[adap->id]) == NULL ? -ENODEV : 0; } +/* STK7700D: Pinnacle Dual DVB-T Diversity */ + +static struct dibx000_agc_config stk7700d_7000p_mt2266_agc_config = { + BAND_UHF/* | BAND_VHF*/, + 0xE64, // setup + 2372, // inv_gain + 21, // time_stabiliz + + 0, // alpha_level + 118, // thlock + + 0, // wbd_inv + 0, // wbd_ref + 0, // wbd_sel + 0, // wbd_alpha + + 65535, // agc1_max + 0, // agc1_min + 65535, // agc2_max + 23592, // agc2_min + 0, // agc1_pt1 + 128, // agc1_pt2 + 128, // agc1_pt3 + 128, // agc1_slope1 + 0, // agc1_slope2 + 128, // agc2_pt1 + 253, // agc2_pt2 + 81, // agc2_slope1 + 0, // agc2_slope2 + + 17, // alpha_mant + 27, // alpha_exp + + 23, // beta_mant + 51, // beta_exp + + 0, // perform_agc_softsplit : 1 en vrai! +}; + +static struct dibx000_bandwidth_config stk7700d_mt2266_pll_config = { + 60000, 30000, // internal, sampling + 1, 8, 3, 1, 0, // pll_cfg: prediv, ratio, range, reset, bypass + 0, 0, 1, 1, 2, // misc: refdiv, bypclk_div, IO_CLK_en_core, ADClkSrc, modulo + (3 << 14) | (1 << 12) | (524 << 0), // sad_cfg: refsel, sel, freq_15k + 0, // ifreq + 20452225, // timf +}; + +static struct dib7000p_config stk7700d_dib7000p_mt2266_config[] = { + { .output_mpeg2_in_188_bytes = 1, + .hostbus_diversity = 1, + .tuner_is_baseband = 1, + + .agc = &stk7700d_7000p_mt2266_agc_config, + .bw = &stk7700d_mt2266_pll_config, + + .gpio_dir = DIB7000M_GPIO_DEFAULT_DIRECTIONS, + .gpio_val = DIB7000M_GPIO_DEFAULT_VALUES, + .gpio_pwm_pos = DIB7000M_GPIO_DEFAULT_PWM_POS, + }, + { .output_mpeg2_in_188_bytes = 1, + .hostbus_diversity = 1, + .tuner_is_baseband = 1, + + .agc = &stk7700d_7000p_mt2266_agc_config, + .bw = &stk7700d_mt2266_pll_config, + + .gpio_dir = DIB7000M_GPIO_DEFAULT_DIRECTIONS, + .gpio_val = DIB7000M_GPIO_DEFAULT_VALUES, + .gpio_pwm_pos = DIB7000M_GPIO_DEFAULT_PWM_POS, + } +}; + +static struct mt2266_config stk7700d_mt2266_config[2] = { + { .i2c_address = 0x60 + }, + { .i2c_address = 0x60 + } +}; + +static int stk7700d_frontend_attach(struct dvb_usb_adapter *adap) +{ + if (adap->id == 0) { + dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 1); + msleep(10); + dib0700_set_gpio(adap->dev, GPIO9, GPIO_OUT, 1); + dib0700_set_gpio(adap->dev, GPIO4, GPIO_OUT, 1); + dib0700_set_gpio(adap->dev, GPIO7, GPIO_OUT, 1); + dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0); + msleep(10); + dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1); + msleep(10); + dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 1); + dib7000p_i2c_enumeration(&adap->dev->i2c_adap,2,18,stk7700d_dib7000p_mt2266_config); + } + + adap->fe = dvb_attach(dib7000p_attach, &adap->dev->i2c_adap,0x80+(adap->id << 1), + &stk7700d_dib7000p_mt2266_config[adap->id]); + + return adap->fe == NULL ? -ENODEV : 0; +} + +static int stk7700d_tuner_attach(struct dvb_usb_adapter *adap) +{ + struct i2c_adapter *tun_i2c; + tun_i2c = dib7000p_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1); + return dvb_attach(mt2266_attach, adap->fe, tun_i2c, + &stk7700d_mt2266_config[adap->id]) == NULL ? -ENODEV : 0;; +} + +#define DEFAULT_RC_INTERVAL 150 + +static u8 rc_request[] = { REQUEST_POLL_RC, 0 }; + +int stk7700d_rc_query(struct dvb_usb_device *d, u32 *event, int *state) +{ + u8 key[4]; + int i; + struct dvb_usb_rc_key *keymap = d->props.rc_key_map; + struct dib0700_state *st = d->priv; + *event = 0; + *state = REMOTE_NO_KEY_PRESSED; + i=dib0700_ctrl_rd(d,rc_request,2,key,4); + if (i<=0) { + err("stk7700d:RC Query Failed\n"); + return 0; + } + if (key[0]==0 && key[1]==0 && key[2]==0 && key[3]==0) return 0; + if (key[1]!=st->rc_toggle) { + for (i=0;iprops.rc_key_map_size; i++) { + if (keymap[i].custom == key[2] && keymap[i].data == key[3]) { + *event = keymap[i].event; + *state = REMOTE_KEY_PRESSED; + st->rc_toggle=key[1]; + return 0; + } + } + err("stk7700d:Unknown remote controller key : %2X %2X\n",(int)key[2],(int)key[3]); + } + return 0; +} + +#define KEY_MAP_SIZE (25+48) + +struct dvb_usb_rc_key stk7700d_rc_keys[] = { + /* Key codes for the tiny Pinnacle remote*/ + { 0x07, 0x00, KEY_MUTE }, + { 0x07, 0x01, KEY_MENU }, // Pinnacle logo + { 0x07, 0x39, KEY_POWER }, + { 0x07, 0x03, KEY_VOLUMEUP }, + { 0x07, 0x09, KEY_VOLUMEDOWN }, + { 0x07, 0x06, KEY_CHANNELUP }, + { 0x07, 0x0c, KEY_CHANNELDOWN }, + { 0x07, 0x0f, KEY_1 }, + { 0x07, 0x15, KEY_2 }, + { 0x07, 0x10, KEY_3 }, + { 0x07, 0x18, KEY_4 }, + { 0x07, 0x1b, KEY_5 }, + { 0x07, 0x1e, KEY_6 }, + { 0x07, 0x11, KEY_7 }, + { 0x07, 0x21, KEY_8 }, + { 0x07, 0x12, KEY_9 }, + { 0x07, 0x27, KEY_0 }, + { 0x07, 0x24, KEY_SCREEN }, // 'Square' key + { 0x07, 0x2a, KEY_TEXT }, // 'T' key + { 0x07, 0x2d, KEY_REWIND }, + { 0x07, 0x30, KEY_PLAY }, + { 0x07, 0x33, KEY_FASTFORWARD }, + { 0x07, 0x36, KEY_RECORD }, + { 0x07, 0x3c, KEY_STOP }, + { 0x07, 0x3f, KEY_CANCEL }, // '?' key + /* Key codes for the Terratec Cinergy DT XS Diversity, similar to cinergyT2.c */ + { 0xeb, 0x01, KEY_POWER }, + { 0xeb, 0x02, KEY_1 }, + { 0xeb, 0x03, KEY_2 }, + { 0xeb, 0x04, KEY_3 }, + { 0xeb, 0x05, KEY_4 }, + { 0xeb, 0x06, KEY_5 }, + { 0xeb, 0x07, KEY_6 }, + { 0xeb, 0x08, KEY_7 }, + { 0xeb, 0x09, KEY_8 }, + { 0xeb, 0x0a, KEY_9 }, + { 0xeb, 0x0b, KEY_VIDEO }, + { 0xeb, 0x0c, KEY_0 }, + { 0xeb, 0x0d, KEY_REFRESH }, + { 0xeb, 0x0f, KEY_EPG }, + { 0xeb, 0x10, KEY_UP }, + { 0xeb, 0x11, KEY_LEFT }, + { 0xeb, 0x12, KEY_OK }, + { 0xeb, 0x13, KEY_RIGHT }, + { 0xeb, 0x14, KEY_DOWN }, + { 0xeb, 0x16, KEY_INFO }, + { 0xeb, 0x17, KEY_RED }, + { 0xeb, 0x18, KEY_GREEN }, + { 0xeb, 0x19, KEY_YELLOW }, + { 0xeb, 0x1a, KEY_BLUE }, + { 0xeb, 0x1b, KEY_CHANNELUP }, + { 0xeb, 0x1c, KEY_VOLUMEUP }, + { 0xeb, 0x1d, KEY_MUTE }, + { 0xeb, 0x1e, KEY_VOLUMEDOWN }, + { 0xeb, 0x1f, KEY_CHANNELDOWN }, + { 0xeb, 0x40, KEY_PAUSE }, + { 0xeb, 0x41, KEY_HOME }, + { 0xeb, 0x42, KEY_MENU }, /* DVD Menu */ + { 0xeb, 0x43, KEY_SUBTITLE }, + { 0xeb, 0x44, KEY_TEXT }, /* Teletext */ + { 0xeb, 0x45, KEY_DELETE }, + { 0xeb, 0x46, KEY_TV }, + { 0xeb, 0x47, KEY_DVD }, + { 0xeb, 0x48, KEY_STOP }, + { 0xeb, 0x49, KEY_VIDEO }, + { 0xeb, 0x4a, KEY_AUDIO }, /* Music */ + { 0xeb, 0x4b, KEY_SCREEN }, /* Pic */ + { 0xeb, 0x4c, KEY_PLAY }, + { 0xeb, 0x4d, KEY_BACK }, + { 0xeb, 0x4e, KEY_REWIND }, + { 0xeb, 0x4f, KEY_FASTFORWARD }, + { 0xeb, 0x54, KEY_PREVIOUS }, + { 0xeb, 0x58, KEY_RECORD }, + { 0xeb, 0x5c, KEY_NEXT } + }; + /* STK7700P: Hauppauge Nova-T Stick, AVerMedia Volar */ static struct dibx000_agc_config stk7700p_7000m_mt2060_agc_config = { BAND_UHF | BAND_VHF, // band_caps @@ -280,6 +503,9 @@ struct usb_device_id dib0700_usb_id_table[] = { { USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_STK7700P) }, { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_T_STICK_2) }, { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_2) }, + { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV2000E) }, + { USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY) }, + { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_TD_STICK) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table); @@ -372,6 +598,42 @@ struct dvb_usb_device_properties dib0700_devices[] = { { NULL }, }, } + }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, + + .num_adapters = 2, + .adapter = { + { + .frontend_attach = stk7700d_frontend_attach, + .tuner_attach = stk7700d_tuner_attach, + + DIB0700_DEFAULT_STREAMING_CONFIG(0x02), + }, { + .frontend_attach = stk7700d_frontend_attach, + .tuner_attach = stk7700d_tuner_attach, + + DIB0700_DEFAULT_STREAMING_CONFIG(0x03), + } + }, + + .num_device_descs = 3, + .devices = { + { "Pinnacle PCTV 2000e", + { &dib0700_usb_id_table[11], NULL }, + { NULL }, + }, + { "Terratec Cinergy DT XS Diversity", + { &dib0700_usb_id_table[12], NULL }, + { NULL }, + }, + { "Haupauge Nova-TD Stick", + { &dib0700_usb_id_table[13], NULL }, + { NULL }, + }, + }, + .rc_interval = DEFAULT_RC_INTERVAL, + .rc_key_map = stk7700d_rc_keys, + .rc_key_map_size = KEY_MAP_SIZE, + .rc_query = stk7700d_rc_query } }; diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index 78ea3b566f..2e38be3aa4 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -12,7 +12,7 @@ /* Vendor IDs */ #define USB_VID_ADSTECH 0x06e1 #define USB_VID_AFATECH 0x15a4 -#define USB_VID_ALCOR_MICRO 0x058f +#define USB_VID_ALCOR_MICRO 0x058f #define USB_VID_ALINK 0x05e3 #define USB_VID_ANCHOR 0x0547 #define USB_VID_ANUBIS_ELECTRONIC 0x10fd @@ -116,8 +116,11 @@ #define USB_PID_HAUPPAUGE_NOVA_T_500_2 0x9950 #define USB_PID_HAUPPAUGE_NOVA_T_STICK 0x7050 #define USB_PID_HAUPPAUGE_NOVA_T_STICK_2 0x7060 +#define USB_PID_HAUPPAUGE_NOVA_TD_STICK 0x9580 #define USB_PID_AVERMEDIA_VOLAR 0xa807 #define USB_PID_AVERMEDIA_VOLAR_2 0xb808 +#define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY 0x005a +#define USB_PID_PINNACLE_PCTV2000E 0x022c #define USB_PID_NEBULA_DIGITV 0x0201 #define USB_PID_DVICO_BLUEBIRD_LGDT 0xd820 #define USB_PID_DVICO_BLUEBIRD_LG064F_COLD 0xd500 diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index ff448761dc..ba70ad0c3f 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -322,6 +322,13 @@ config DVB_TUNER_MT2060 help A driver for the silicon IF tuner MT2060 from Microtune. +config DVB_TUNER_MT2266 + tristate "Microtune MT2266 silicon tuner" + depends on I2C + default m if DVB_FE_CUSTOMISE + help + A driver for the silicon baseband tuner MT2266 from Microtune. + comment "Miscellaneous devices" depends on DVB_CORE diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 156b062e02..217265ca28 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -40,5 +40,6 @@ obj-$(CONFIG_DVB_TDA10086) += tda10086.o obj-$(CONFIG_DVB_TDA826X) += tda826x.o obj-$(CONFIG_DVB_TDA827X) += tda827x.o obj-$(CONFIG_DVB_TUNER_MT2060) += mt2060.o +obj-$(CONFIG_DVB_TUNER_MT2266) += mt2266.o obj-$(CONFIG_DVB_TUNER_QT1010) += qt1010.o obj-$(CONFIG_DVB_TUA6100) += tua6100.o diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c index aece458cfe..c24189fcbc 100644 --- a/drivers/media/dvb/frontends/dib7000p.c +++ b/drivers/media/dvb/frontends/dib7000p.c @@ -112,6 +112,11 @@ static int dib7000p_set_output_mode(struct dib7000p_state *state, int mode) break; } + if (state->cfg.hostbus_diversity) { + ret |= dib7000p_write_word(state, 204, 1); // Diversity ? + ret |= dib7000p_write_word(state, 205, 0); // Diversity ? + } + if (state->cfg.output_mpeg2_in_188_bytes) smo_mode |= (1 << 5) ; diff --git a/drivers/media/dvb/frontends/dib7000p.h b/drivers/media/dvb/frontends/dib7000p.h index 79465cf1ac..94829c1ed0 100644 --- a/drivers/media/dvb/frontends/dib7000p.h +++ b/drivers/media/dvb/frontends/dib7000p.h @@ -35,7 +35,7 @@ struct dib7000p_config { extern struct dvb_frontend * dib7000p_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg); extern struct i2c_adapter * dib7000p_get_i2c_master(struct dvb_frontend *, enum dibx000_i2c_interface, int); extern int dib7000pc_detection(struct i2c_adapter *i2c_adap); - +extern int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000p_config cfg[]); /* TODO extern INT dib7000p_set_gpio(struct dibDemod *demod, UCHAR num, UCHAR dir, UCHAR val); extern INT dib7000p_enable_vbg_voltage(struct dibDemod *demod); diff --git a/drivers/media/dvb/frontends/mt2266.c b/drivers/media/dvb/frontends/mt2266.c new file mode 100644 index 0000000000..145135778b --- /dev/null +++ b/drivers/media/dvb/frontends/mt2266.c @@ -0,0 +1,288 @@ +/* + * Driver for Microtune MT2266 "Direct conversion low power broadband tuner" + * + * Copyright (c) 2007 Olivier DANET + * + * 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. + */ + +#include +#include +#include +#include +#include + +#include "dvb_frontend.h" +#include "mt2266.h" + +#define I2C_ADDRESS 0x60 + +#define REG_PART_REV 0 +#define REG_TUNE 1 +#define REG_BAND 6 +#define REG_BANDWIDTH 8 +#define REG_LOCK 0x12 + +#define PART_REV 0x85 + +struct mt2266_priv { + struct mt2266_config *cfg; + struct i2c_adapter *i2c; + + u32 frequency; + u32 bandwidth; +}; + +/* Here, frequencies are expressed in kiloHertz to avoid 32 bits overflows */ + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); + +#define dprintk(args...) do { if (debug) {printk(KERN_DEBUG "MT2266: " args); printk("\n"); }} while (0) + +// Reads a single register +static int mt2266_readreg(struct mt2266_priv *priv, u8 reg, u8 *val) +{ + struct i2c_msg msg[2] = { + { .addr = priv->cfg->i2c_address, .flags = 0, .buf = ®, .len = 1 }, + { .addr = priv->cfg->i2c_address, .flags = I2C_M_RD, .buf = val, .len = 1 }, + }; + if (i2c_transfer(priv->i2c, msg, 2) != 2) { + printk(KERN_WARNING "MT2266 I2C read failed\n"); + return -EREMOTEIO; + } + return 0; +} + +// Writes a single register +static int mt2266_writereg(struct mt2266_priv *priv, u8 reg, u8 val) +{ + u8 buf[2] = { reg, val }; + struct i2c_msg msg = { + .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = 2 + }; + if (i2c_transfer(priv->i2c, &msg, 1) != 1) { + printk(KERN_WARNING "MT2266 I2C write failed\n"); + return -EREMOTEIO; + } + return 0; +} + +// Writes a set of consecutive registers +static int mt2266_writeregs(struct mt2266_priv *priv,u8 *buf, u8 len) +{ + struct i2c_msg msg = { + .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = len + }; + if (i2c_transfer(priv->i2c, &msg, 1) != 1) { + printk(KERN_WARNING "MT2266 I2C write failed (len=%i)\n",(int)len); + return -EREMOTEIO; + } + return 0; +} + +// Initialisation sequences +static u8 mt2266_init1[] = { + REG_TUNE, + 0x00, 0x00, 0x28, 0x00, 0x52, 0x99, 0x3f }; + +static u8 mt2266_init2[] = { + 0x17, 0x6d, 0x71, 0x61, 0xc0, 0xbf, 0xff, 0xdc, 0x00, 0x0a, + 0xd4, 0x03, 0x64, 0x64, 0x64, 0x64, 0x22, 0xaa, 0xf2, 0x1e, 0x80, 0x14, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x7f, 0x5e, 0x3f, 0xff, 0xff, 0xff, 0x00, 0x77, 0x0f, 0x2d }; + +static u8 mt2266_init_8mhz[] = { + REG_BANDWIDTH, + 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22 }; + +static u8 mt2266_init_7mhz[] = { + REG_BANDWIDTH, + 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32 }; + +static u8 mt2266_init_6mhz[] = { + REG_BANDWIDTH, + 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7 }; + +#define FREF 30000 // Quartz oscillator 30 MHz + +static int mt2266_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) +{ + struct mt2266_priv *priv; + int ret=0; + u32 freq; + u32 tune; + u8 lnaband; + u8 b[10]; + int i; + + priv = fe->tuner_priv; + + mt2266_writereg(priv,0x17,0x6d); + mt2266_writereg(priv,0x1c,0xff); + + freq = params->frequency / 1000; // Hz -> kHz + priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; + priv->frequency = freq * 1000; + tune=2 * freq * (8192/16) / (FREF/16); + + if (freq <= 495000) lnaband = 0xEE; else + if (freq <= 525000) lnaband = 0xDD; else + if (freq <= 550000) lnaband = 0xCC; else + if (freq <= 580000) lnaband = 0xBB; else + if (freq <= 605000) lnaband = 0xAA; else + if (freq <= 630000) lnaband = 0x99; else + if (freq <= 655000) lnaband = 0x88; else + if (freq <= 685000) lnaband = 0x77; else + if (freq <= 710000) lnaband = 0x66; else + if (freq <= 735000) lnaband = 0x55; else + if (freq <= 765000) lnaband = 0x44; else + if (freq <= 802000) lnaband = 0x33; else + if (freq <= 840000) lnaband = 0x22; else lnaband = 0x11; + + msleep(100); + mt2266_writeregs(priv,(params->u.ofdm.bandwidth==BANDWIDTH_6_MHZ)?mt2266_init_6mhz: + (params->u.ofdm.bandwidth==BANDWIDTH_7_MHZ)?mt2266_init_7mhz: + mt2266_init_8mhz,sizeof(mt2266_init_8mhz)); + + b[0] = REG_TUNE; + b[1] = (tune >> 8) & 0x1F; + b[2] = tune & 0xFF; + b[3] = tune >> 13; + mt2266_writeregs(priv,b,4); + + dprintk("set_parms: tune=%d band=%d\n",(int)tune,(int)lnaband); + dprintk("set_parms: [1..3]: %2x %2x %2x",(int)b[1],(int)b[2],(int)b[3]); + + b[0] = 0x05; + b[1] = 0x62; + b[2] = lnaband; + mt2266_writeregs(priv,b,3); + + //Waits for pll lock or timeout + i = 0; + do { + mt2266_readreg(priv,REG_LOCK,b); + if ((b[0] & 0x40)==0x40) + break; + msleep(10); + i++; + } while (i<10); + dprintk("Lock when i=%i\n",(int)i); + return ret; +} + +static void mt2266_calibrate(struct mt2266_priv *priv) +{ + mt2266_writereg(priv,0x11,0x03); + mt2266_writereg(priv,0x11,0x01); + + mt2266_writeregs(priv,mt2266_init1,sizeof(mt2266_init1)); + mt2266_writeregs(priv,mt2266_init2,sizeof(mt2266_init2)); + + mt2266_writereg(priv,0x33,0x5e); + mt2266_writereg(priv,0x10,0x10); + mt2266_writereg(priv,0x10,0x00); + + mt2266_writeregs(priv,mt2266_init_8mhz,sizeof(mt2266_init_8mhz)); + + msleep(25); + mt2266_writereg(priv,0x17,0x6d); + mt2266_writereg(priv,0x1c,0x00); + msleep(75); + mt2266_writereg(priv,0x17,0x6d); + mt2266_writereg(priv,0x1c,0xff); +} + +static int mt2266_get_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct mt2266_priv *priv = fe->tuner_priv; + *frequency = priv->frequency; + return 0; +} + +static int mt2266_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) +{ + struct mt2266_priv *priv = fe->tuner_priv; + *bandwidth = priv->bandwidth; + return 0; +} + +static int mt2266_init(struct dvb_frontend *fe) +{ + struct mt2266_priv *priv = fe->tuner_priv; + mt2266_writereg(priv,0x17,0x6d); + mt2266_writereg(priv,0x1c,0xff); + return 0; +} + +static int mt2266_sleep(struct dvb_frontend *fe) +{ + struct mt2266_priv *priv = fe->tuner_priv; + mt2266_writereg(priv,0x17,0x6d); + mt2266_writereg(priv,0x1c,0x00); + return 0; +} + +static int mt2266_release(struct dvb_frontend *fe) +{ + kfree(fe->tuner_priv); + fe->tuner_priv = NULL; + return 0; +} + +static const struct dvb_tuner_ops mt2266_tuner_ops = { + .info = { + .name = "Microtune MT2266", + .frequency_min = 470000000, + .frequency_max = 860000000, + .frequency_step = 50000, + }, + .release = mt2266_release, + .init = mt2266_init, + .sleep = mt2266_sleep, + .set_params = mt2266_set_params, + .get_frequency = mt2266_get_frequency, + .get_bandwidth = mt2266_get_bandwidth +}; + +struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg) +{ + struct mt2266_priv *priv = NULL; + u8 id = 0; + + priv = kzalloc(sizeof(struct mt2266_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + + priv->cfg = cfg; + priv->i2c = i2c; + + if (mt2266_readreg(priv,0,&id) != 0) { + kfree(priv); + return NULL; + } + if (id != PART_REV) { + kfree(priv); + return NULL; + } + printk(KERN_INFO "MT2266: successfully identified\n"); + memcpy(&fe->ops.tuner_ops, &mt2266_tuner_ops, sizeof(struct dvb_tuner_ops)); + + fe->tuner_priv = priv; + mt2266_calibrate(priv); + return fe; +} +EXPORT_SYMBOL(mt2266_attach); + +MODULE_AUTHOR("Olivier DANET"); +MODULE_DESCRIPTION("Microtune MT2266 silicon tuner driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/mt2266.h b/drivers/media/dvb/frontends/mt2266.h new file mode 100644 index 0000000000..f31dd613ad --- /dev/null +++ b/drivers/media/dvb/frontends/mt2266.h @@ -0,0 +1,37 @@ +/* + * Driver for Microtune MT2266 "Direct conversion low power broadband tuner" + * + * Copyright (c) 2007 Olivier DANET + * + * 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. + */ + +#ifndef MT2266_H +#define MT2266_H + +struct dvb_frontend; +struct i2c_adapter; + +struct mt2266_config { + u8 i2c_address; +}; + +#if defined(CONFIG_DVB_TUNER_MT2266) || (defined(CONFIG_DVB_TUNER_MT2266_MODULE) && defined(MODULE)) +extern struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg); +#else +static inline struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); + return NULL; +} +#endif // CONFIG_DVB_TUNER_MT2266 + +#endif