V4L/DVB (13000): add driver for 774 Friio White USB ISDB-T receiver
This patch adds driver for 774 Friio White, ISDB-T USB receiver Friio White is an USB 2.0 ISDB-T receiver. (http://www.friio.com/) The device has a GL861 chip and a Comtech JDVBT90502 canned tuner module. This driver ignores all the frontend_parameters except frequency, as ISDB-T shares the same parameter configuration across the country and thus the device can work like an intelligent one. As this device does not include a CAM nor hardware descrambling feature, the driver passes through scrambled TS streams. There is Friio Black, a variant for ISDB-S, which shares the same USB Vendor/Product ID with White, but it is not supported in this driver. They should be identified in the initialization sequence, but this feature is not tested. Signed-off-by: Akihiro Tsukada <tskd2@yahoo.co.jp> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Akihiro Tsukada
Mauro Carvalho Chehab
parent
3d17fb1be9
commit
5eca4823ea
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@ -316,3 +316,9 @@ config DVB_USB_CE6230
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select MEDIA_TUNER_MXL5005S if !MEDIA_TUNER_CUSTOMISE
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help
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Say Y here to support the Intel CE6230 DVB-T USB2.0 receiver
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config DVB_USB_FRIIO
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tristate "Friio ISDB-T USB2.0 Receiver support"
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depends on DVB_USB
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help
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Say Y here to support the Japanese DTV receiver Friio.
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@ -79,6 +79,9 @@ obj-$(CONFIG_DVB_USB_CINERGY_T2) += dvb-usb-cinergyT2.o
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dvb-usb-ce6230-objs = ce6230.o
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obj-$(CONFIG_DVB_USB_CE6230) += dvb-usb-ce6230.o
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dvb-usb-friio-objs = friio.o friio-fe.o
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obj-$(CONFIG_DVB_USB_FRIIO) += dvb-usb-friio.o
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EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/
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# due to tuner-xc3028
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EXTRA_CFLAGS += -Idrivers/media/common/tuners
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@ -60,6 +60,7 @@
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#define USB_VID_YUAN 0x1164
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#define USB_VID_XTENSIONS 0x1ae7
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#define USB_VID_HUMAX_COEX 0x10b9
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#define USB_VID_774 0x7a69
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/* Product IDs */
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#define USB_PID_ADSTECH_USB2_COLD 0xa333
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@ -274,5 +275,6 @@
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#define USB_PID_ELGATO_EYETV_DTT_Dlx 0x0020
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#define USB_PID_DVB_T_USB_STICK_HIGH_SPEED_COLD 0x5000
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#define USB_PID_DVB_T_USB_STICK_HIGH_SPEED_WARM 0x5001
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#define USB_PID_FRIIO_WHITE 0x0001
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#endif
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@ -0,0 +1,483 @@
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/* DVB USB compliant Linux driver for the Friio USB2.0 ISDB-T receiver.
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*
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* Copyright (C) 2009 Akihiro Tsukada <tskd2@yahoo.co.jp>
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*
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* This module is based off the the gl861 and vp702x modules.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 2.
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*
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* see Documentation/dvb/README.dvb-usb for more information
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*/
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#include <linux/init.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include "friio.h"
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struct jdvbt90502_state {
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struct i2c_adapter *i2c;
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struct dvb_frontend frontend;
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struct jdvbt90502_config config;
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};
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/* NOTE: TC90502 has 16bit register-address? */
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/* register 0x0100 is used for reading PLL status, so reg is u16 here */
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static int jdvbt90502_reg_read(struct jdvbt90502_state *state,
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const u16 reg, u8 *buf, const size_t count)
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{
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int ret;
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u8 wbuf[3];
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struct i2c_msg msg[2];
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wbuf[0] = reg & 0xFF;
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wbuf[1] = 0;
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wbuf[2] = reg >> 8;
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msg[0].addr = state->config.demod_address;
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msg[0].flags = 0;
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msg[0].buf = wbuf;
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msg[0].len = sizeof(wbuf);
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msg[1].addr = msg[0].addr;
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msg[1].flags = I2C_M_RD;
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msg[1].buf = buf;
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msg[1].len = count;
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ret = i2c_transfer(state->i2c, msg, 2);
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if (ret != 2) {
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deb_fe(" reg read failed.\n");
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return -EREMOTEIO;
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}
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return 0;
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}
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/* currently 16bit register-address is not used, so reg is u8 here */
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static int jdvbt90502_single_reg_write(struct jdvbt90502_state *state,
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const u8 reg, const u8 val)
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{
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struct i2c_msg msg;
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u8 wbuf[2];
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wbuf[0] = reg;
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wbuf[1] = val;
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msg.addr = state->config.demod_address;
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msg.flags = 0;
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msg.buf = wbuf;
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msg.len = sizeof(wbuf);
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if (i2c_transfer(state->i2c, &msg, 1) != 1) {
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deb_fe(" reg write failed.");
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return -EREMOTEIO;
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}
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return 0;
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}
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static int _jdvbt90502_write(struct dvb_frontend *fe, u8 *buf, int len)
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{
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struct jdvbt90502_state *state = fe->demodulator_priv;
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int err, i;
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for (i = 0; i < len - 1; i++) {
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err = jdvbt90502_single_reg_write(state,
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buf[0] + i, buf[i + 1]);
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if (err)
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return err;
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}
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return 0;
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}
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/* read pll status byte via the demodulator's I2C register */
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/* note: Win box reads it by 8B block at the I2C addr 0x30 from reg:0x80 */
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static int jdvbt90502_pll_read(struct jdvbt90502_state *state, u8 *result)
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{
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int ret;
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/* +1 for reading */
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u8 pll_addr_byte = (state->config.pll_address << 1) + 1;
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*result = 0;
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ret = jdvbt90502_single_reg_write(state, JDVBT90502_2ND_I2C_REG,
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pll_addr_byte);
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if (ret)
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goto error;
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ret = jdvbt90502_reg_read(state, 0x0100, result, 1);
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if (ret)
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goto error;
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deb_fe("PLL read val:%02x\n", *result);
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return 0;
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error:
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deb_fe("%s:ret == %d\n", __func__, ret);
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return -EREMOTEIO;
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}
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/* set pll frequency via the demodulator's I2C register */
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static int jdvbt90502_pll_set_freq(struct jdvbt90502_state *state, u32 freq)
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{
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int ret;
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int retry;
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u8 res1;
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u8 res2[9];
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u8 pll_freq_cmd[PLL_CMD_LEN];
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u8 pll_agc_cmd[PLL_CMD_LEN];
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struct i2c_msg msg[2];
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u32 f;
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deb_fe("%s: freq=%d, step=%d\n", __func__, freq,
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state->frontend.ops.info.frequency_stepsize);
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/* freq -> oscilator frequency conversion. */
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/* freq: 473,000,000 + n*6,000,000 (no 1/7MHz shift to center freq) */
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/* add 400[1/7 MHZ] = 57.142857MHz. 57MHz for the IF, */
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/* 1/7MHz for center freq shift */
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f = freq / state->frontend.ops.info.frequency_stepsize;
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f += 400;
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pll_freq_cmd[DEMOD_REDIRECT_REG] = JDVBT90502_2ND_I2C_REG; /* 0xFE */
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pll_freq_cmd[ADDRESS_BYTE] = state->config.pll_address << 1;
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pll_freq_cmd[DIVIDER_BYTE1] = (f >> 8) & 0x7F;
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pll_freq_cmd[DIVIDER_BYTE2] = f & 0xFF;
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pll_freq_cmd[CONTROL_BYTE] = 0xB2; /* ref.divider:28, 4MHz/28=1/7MHz */
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pll_freq_cmd[BANDSWITCH_BYTE] = 0x08; /* UHF band */
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msg[0].addr = state->config.demod_address;
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msg[0].flags = 0;
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msg[0].buf = pll_freq_cmd;
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msg[0].len = sizeof(pll_freq_cmd);
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ret = i2c_transfer(state->i2c, &msg[0], 1);
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if (ret != 1)
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goto error;
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udelay(50);
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pll_agc_cmd[DEMOD_REDIRECT_REG] = pll_freq_cmd[DEMOD_REDIRECT_REG];
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pll_agc_cmd[ADDRESS_BYTE] = pll_freq_cmd[ADDRESS_BYTE];
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pll_agc_cmd[DIVIDER_BYTE1] = pll_freq_cmd[DIVIDER_BYTE1];
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pll_agc_cmd[DIVIDER_BYTE2] = pll_freq_cmd[DIVIDER_BYTE2];
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pll_agc_cmd[CONTROL_BYTE] = 0x9A; /* AGC_CTRL instead of BANDSWITCH */
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pll_agc_cmd[AGC_CTRL_BYTE] = 0x50;
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/* AGC Time Constant 2s, AGC take-over point:103dBuV(lowest) */
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msg[1].addr = msg[0].addr;
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msg[1].flags = 0;
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msg[1].buf = pll_agc_cmd;
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msg[1].len = sizeof(pll_agc_cmd);
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ret = i2c_transfer(state->i2c, &msg[1], 1);
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if (ret != 1)
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goto error;
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/* I don't know what these cmds are for, */
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/* but the USB log on a windows box contains them */
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ret = jdvbt90502_single_reg_write(state, 0x01, 0x40);
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ret |= jdvbt90502_single_reg_write(state, 0x01, 0x00);
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if (ret)
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goto error;
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udelay(100);
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/* wait for the demod to be ready? */
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#define RETRY_COUNT 5
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for (retry = 0; retry < RETRY_COUNT; retry++) {
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ret = jdvbt90502_reg_read(state, 0x0096, &res1, 1);
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if (ret)
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goto error;
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/* if (res1 != 0x00) goto error; */
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ret = jdvbt90502_reg_read(state, 0x00B0, res2, sizeof(res2));
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if (ret)
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goto error;
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if (res2[0] >= 0xA7)
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break;
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msleep(100);
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}
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if (retry >= RETRY_COUNT) {
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deb_fe("%s: FE does not get ready after freq setting.\n",
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__func__);
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return -EREMOTEIO;
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}
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return 0;
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error:
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deb_fe("%s:ret == %d\n", __func__, ret);
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return -EREMOTEIO;
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}
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static int jdvbt90502_read_status(struct dvb_frontend *fe, fe_status_t *state)
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{
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u8 result;
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int ret;
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*state = FE_HAS_SIGNAL;
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ret = jdvbt90502_pll_read(fe->demodulator_priv, &result);
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if (ret) {
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deb_fe("%s:ret == %d\n", __func__, ret);
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return -EREMOTEIO;
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}
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*state = FE_HAS_SIGNAL
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| FE_HAS_CARRIER
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| FE_HAS_VITERBI
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| FE_HAS_SYNC;
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if (result & PLL_STATUS_LOCKED)
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*state |= FE_HAS_LOCK;
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return 0;
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}
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static int jdvbt90502_read_ber(struct dvb_frontend *fe, u32 *ber)
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{
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*ber = 0;
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return 0;
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}
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static int jdvbt90502_read_signal_strength(struct dvb_frontend *fe,
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u16 *strength)
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{
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int ret;
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u8 rbuf[37];
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*strength = 0;
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/* status register (incl. signal strength) : 0x89 */
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/* TODO: read just the necessary registers [0x8B..0x8D]? */
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ret = jdvbt90502_reg_read(fe->demodulator_priv, 0x0089,
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rbuf, sizeof(rbuf));
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if (ret) {
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deb_fe("%s:ret == %d\n", __func__, ret);
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return -EREMOTEIO;
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}
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/* signal_strength: rbuf[2-4] (24bit BE), use lower 16bit for now. */
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*strength = (rbuf[3] << 8) + rbuf[4];
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if (rbuf[2])
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*strength = 0xffff;
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return 0;
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}
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static int jdvbt90502_read_snr(struct dvb_frontend *fe, u16 *snr)
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{
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*snr = 0x0101;
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return 0;
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}
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static int jdvbt90502_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
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{
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*ucblocks = 0;
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return 0;
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}
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static int jdvbt90502_get_tune_settings(struct dvb_frontend *fe,
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struct dvb_frontend_tune_settings *fs)
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{
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fs->min_delay_ms = 500;
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fs->step_size = 0;
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fs->max_drift = 0;
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return 0;
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}
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static int jdvbt90502_get_frontend(struct dvb_frontend *fe,
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struct dvb_frontend_parameters *p)
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{
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p->inversion = INVERSION_AUTO;
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p->u.ofdm.bandwidth = BANDWIDTH_6_MHZ;
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p->u.ofdm.code_rate_HP = FEC_AUTO;
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p->u.ofdm.code_rate_LP = FEC_AUTO;
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p->u.ofdm.constellation = QAM_64;
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p->u.ofdm.transmission_mode = TRANSMISSION_MODE_AUTO;
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p->u.ofdm.guard_interval = GUARD_INTERVAL_AUTO;
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p->u.ofdm.hierarchy_information = HIERARCHY_AUTO;
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return 0;
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}
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static int jdvbt90502_set_frontend(struct dvb_frontend *fe,
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struct dvb_frontend_parameters *p)
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{
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/**
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* NOTE: ignore all the paramters except frequency.
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* others should be fixed to the proper value for ISDB-T,
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* but don't check here.
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*/
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struct jdvbt90502_state *state = fe->demodulator_priv;
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int ret;
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deb_fe("%s: Freq:%d\n", __func__, p->frequency);
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ret = jdvbt90502_pll_set_freq(state, p->frequency);
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if (ret) {
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deb_fe("%s:ret == %d\n", __func__, ret);
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return -EREMOTEIO;
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}
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return 0;
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}
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static int jdvbt90502_sleep(struct dvb_frontend *fe)
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{
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deb_fe("%s called.\n", __func__);
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return 0;
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}
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/**
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* (reg, val) commad list to initialize this module.
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* captured on a Windows box.
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*/
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static u8 init_code[][2] = {
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{0x01, 0x40},
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{0x04, 0x38},
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{0x05, 0x40},
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{0x07, 0x40},
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{0x0F, 0x4F},
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{0x11, 0x21},
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{0x12, 0x0B},
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{0x13, 0x2F},
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{0x14, 0x31},
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{0x16, 0x02},
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{0x21, 0xC4},
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{0x22, 0x20},
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{0x2C, 0x79},
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{0x2D, 0x34},
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{0x2F, 0x00},
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{0x30, 0x28},
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{0x31, 0x31},
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{0x32, 0xDF},
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{0x38, 0x01},
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{0x39, 0x78},
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{0x3B, 0x33},
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{0x3C, 0x33},
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{0x48, 0x90},
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{0x51, 0x68},
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{0x5E, 0x38},
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{0x71, 0x00},
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{0x72, 0x08},
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{0x77, 0x00},
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{0xC0, 0x21},
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{0xC1, 0x10},
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{0xE4, 0x1A},
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{0xEA, 0x1F},
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{0x77, 0x00},
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{0x71, 0x00},
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{0x71, 0x00},
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{0x76, 0x0C},
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};
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const static int init_code_len = sizeof(init_code) / sizeof(u8[2]);
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static int jdvbt90502_init(struct dvb_frontend *fe)
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{
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int i = -1;
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int ret;
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struct i2c_msg msg;
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struct jdvbt90502_state *state = fe->demodulator_priv;
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deb_fe("%s called.\n", __func__);
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msg.addr = state->config.demod_address;
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msg.flags = 0;
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msg.len = 2;
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for (i = 0; i < init_code_len; i++) {
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msg.buf = init_code[i];
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ret = i2c_transfer(state->i2c, &msg, 1);
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if (ret != 1)
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goto error;
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}
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msleep(100);
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return 0;
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error:
|
||||
deb_fe("%s: init_code[%d] failed. ret==%d\n", __func__, i, ret);
|
||||
return -EREMOTEIO;
|
||||
}
|
||||
|
||||
|
||||
static void jdvbt90502_release(struct dvb_frontend *fe)
|
||||
{
|
||||
struct jdvbt90502_state *state = fe->demodulator_priv;
|
||||
kfree(state);
|
||||
}
|
||||
|
||||
|
||||
static struct dvb_frontend_ops jdvbt90502_ops;
|
||||
|
||||
struct dvb_frontend *jdvbt90502_attach(struct dvb_usb_device *d)
|
||||
{
|
||||
struct jdvbt90502_state *state = NULL;
|
||||
|
||||
deb_info("%s called.\n", __func__);
|
||||
|
||||
/* allocate memory for the internal state */
|
||||
state = kzalloc(sizeof(struct jdvbt90502_state), GFP_KERNEL);
|
||||
if (state == NULL)
|
||||
goto error;
|
||||
|
||||
/* setup the state */
|
||||
state->i2c = &d->i2c_adap;
|
||||
memcpy(&state->config, &friio_fe_config, sizeof(friio_fe_config));
|
||||
|
||||
/* create dvb_frontend */
|
||||
memcpy(&state->frontend.ops, &jdvbt90502_ops,
|
||||
sizeof(jdvbt90502_ops));
|
||||
state->frontend.demodulator_priv = state;
|
||||
|
||||
if (jdvbt90502_init(&state->frontend) < 0)
|
||||
goto error;
|
||||
|
||||
return &state->frontend;
|
||||
|
||||
error:
|
||||
kfree(state);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static struct dvb_frontend_ops jdvbt90502_ops = {
|
||||
|
||||
.info = {
|
||||
.name = "Comtech JDVBT90502 ISDB-T",
|
||||
.type = FE_OFDM,
|
||||
.frequency_min = 473000000, /* UHF 13ch, center */
|
||||
.frequency_max = 767142857, /* UHF 62ch, center */
|
||||
.frequency_stepsize = JDVBT90502_PLL_CLK /
|
||||
JDVBT90502_PLL_DIVIDER,
|
||||
.frequency_tolerance = 0,
|
||||
|
||||
/* NOTE: this driver ignores all parameters but frequency. */
|
||||
.caps = FE_CAN_INVERSION_AUTO |
|
||||
FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
|
||||
FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
|
||||
FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO |
|
||||
FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
|
||||
FE_CAN_TRANSMISSION_MODE_AUTO |
|
||||
FE_CAN_GUARD_INTERVAL_AUTO |
|
||||
FE_CAN_HIERARCHY_AUTO,
|
||||
},
|
||||
|
||||
.release = jdvbt90502_release,
|
||||
|
||||
.init = jdvbt90502_init,
|
||||
.sleep = jdvbt90502_sleep,
|
||||
.write = _jdvbt90502_write,
|
||||
|
||||
.set_frontend = jdvbt90502_set_frontend,
|
||||
.get_frontend = jdvbt90502_get_frontend,
|
||||
.get_tune_settings = jdvbt90502_get_tune_settings,
|
||||
|
||||
.read_status = jdvbt90502_read_status,
|
||||
.read_ber = jdvbt90502_read_ber,
|
||||
.read_signal_strength = jdvbt90502_read_signal_strength,
|
||||
.read_snr = jdvbt90502_read_snr,
|
||||
.read_ucblocks = jdvbt90502_read_ucblocks,
|
||||
};
|
||||
|
|
@ -0,0 +1,525 @@
|
|||
/* DVB USB compliant Linux driver for the Friio USB2.0 ISDB-T receiver.
|
||||
*
|
||||
* Copyright (C) 2009 Akihiro Tsukada <tskd2@yahoo.co.jp>
|
||||
*
|
||||
* This module is based off the the gl861 and vp702x modules.
|
||||
*
|
||||
* 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, version 2.
|
||||
*
|
||||
* see Documentation/dvb/README.dvb-usb for more information
|
||||
*/
|
||||
#include "friio.h"
|
||||
|
||||
/* debug */
|
||||
int dvb_usb_friio_debug;
|
||||
module_param_named(debug, dvb_usb_friio_debug, int, 0644);
|
||||
MODULE_PARM_DESC(debug,
|
||||
"set debugging level (1=info,2=xfer,4=rc,8=fe (or-able))."
|
||||
DVB_USB_DEBUG_STATUS);
|
||||
|
||||
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
|
||||
|
||||
/**
|
||||
* Indirect I2C access to the PLL via FE.
|
||||
* whole I2C protocol data to the PLL is sent via the FE's I2C register.
|
||||
* This is done by a control msg to the FE with the I2C data accompanied, and
|
||||
* a specific USB request number is assigned for that purpose.
|
||||
*
|
||||
* this func sends wbuf[1..] to the I2C register wbuf[0] at addr (= at FE).
|
||||
* TODO: refoctored, smarter i2c functions.
|
||||
*/
|
||||
static int gl861_i2c_ctrlmsg_data(struct dvb_usb_device *d, u8 addr,
|
||||
u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
|
||||
{
|
||||
u16 index = wbuf[0]; /* must be JDVBT90502_2ND_I2C_REG(=0xFE) */
|
||||
u16 value = addr << (8 + 1);
|
||||
int wo = (rbuf == NULL || rlen == 0); /* write only */
|
||||
u8 req, type;
|
||||
|
||||
deb_xfer("write to PLL:0x%02x via FE reg:0x%02x, len:%d\n",
|
||||
wbuf[1], wbuf[0], wlen - 1);
|
||||
|
||||
if (wo && wlen >= 2) {
|
||||
req = GL861_REQ_I2C_DATA_CTRL_WRITE;
|
||||
type = GL861_WRITE;
|
||||
udelay(20);
|
||||
return usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0),
|
||||
req, type, value, index,
|
||||
&wbuf[1], wlen - 1, 2000);
|
||||
}
|
||||
|
||||
deb_xfer("not supported ctrl-msg, aborting.");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* normal I2C access (without extra data arguments).
|
||||
* write to the register wbuf[0] at I2C address addr with the value wbuf[1],
|
||||
* or read from the register wbuf[0].
|
||||
* register address can be 16bit (wbuf[2]<<8 | wbuf[0]) if wlen==3
|
||||
*/
|
||||
static int gl861_i2c_msg(struct dvb_usb_device *d, u8 addr,
|
||||
u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
|
||||
{
|
||||
u16 index;
|
||||
u16 value = addr << (8 + 1);
|
||||
int wo = (rbuf == NULL || rlen == 0); /* write-only */
|
||||
u8 req, type;
|
||||
unsigned int pipe;
|
||||
|
||||
/* special case for the indirect I2C access to the PLL via FE, */
|
||||
if (addr == friio_fe_config.demod_address &&
|
||||
wbuf[0] == JDVBT90502_2ND_I2C_REG)
|
||||
return gl861_i2c_ctrlmsg_data(d, addr, wbuf, wlen, rbuf, rlen);
|
||||
|
||||
if (wo) {
|
||||
req = GL861_REQ_I2C_WRITE;
|
||||
type = GL861_WRITE;
|
||||
pipe = usb_sndctrlpipe(d->udev, 0);
|
||||
} else { /* rw */
|
||||
req = GL861_REQ_I2C_READ;
|
||||
type = GL861_READ;
|
||||
pipe = usb_rcvctrlpipe(d->udev, 0);
|
||||
}
|
||||
|
||||
switch (wlen) {
|
||||
case 1:
|
||||
index = wbuf[0];
|
||||
break;
|
||||
case 2:
|
||||
index = wbuf[0];
|
||||
value = value + wbuf[1];
|
||||
break;
|
||||
case 3:
|
||||
/* special case for 16bit register-address */
|
||||
index = (wbuf[2] << 8) | wbuf[0];
|
||||
value = value + wbuf[1];
|
||||
break;
|
||||
default:
|
||||
deb_xfer("wlen = %x, aborting.", wlen);
|
||||
return -EINVAL;
|
||||
}
|
||||
msleep(1);
|
||||
return usb_control_msg(d->udev, pipe, req, type,
|
||||
value, index, rbuf, rlen, 2000);
|
||||
}
|
||||
|
||||
/* I2C */
|
||||
static int gl861_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
|
||||
int num)
|
||||
{
|
||||
struct dvb_usb_device *d = i2c_get_adapdata(adap);
|
||||
int i;
|
||||
|
||||
|
||||
if (num > 2)
|
||||
return -EINVAL;
|
||||
|
||||
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
|
||||
return -EAGAIN;
|
||||
|
||||
for (i = 0; i < num; i++) {
|
||||
/* write/read request */
|
||||
if (i + 1 < num && (msg[i + 1].flags & I2C_M_RD)) {
|
||||
if (gl861_i2c_msg(d, msg[i].addr,
|
||||
msg[i].buf, msg[i].len,
|
||||
msg[i + 1].buf, msg[i + 1].len) < 0)
|
||||
break;
|
||||
i++;
|
||||
} else
|
||||
if (gl861_i2c_msg(d, msg[i].addr, msg[i].buf,
|
||||
msg[i].len, NULL, 0) < 0)
|
||||
break;
|
||||
}
|
||||
|
||||
mutex_unlock(&d->i2c_mutex);
|
||||
return i;
|
||||
}
|
||||
|
||||
static u32 gl861_i2c_func(struct i2c_adapter *adapter)
|
||||
{
|
||||
return I2C_FUNC_I2C;
|
||||
}
|
||||
|
||||
|
||||
static int friio_ext_ctl(struct dvb_usb_adapter *adap,
|
||||
u32 sat_color, int lnb_on)
|
||||
{
|
||||
int i;
|
||||
int ret;
|
||||
struct i2c_msg msg;
|
||||
u8 buf[2];
|
||||
u32 mask;
|
||||
u8 lnb = (lnb_on) ? FRIIO_CTL_LNB : 0;
|
||||
|
||||
msg.addr = 0x00;
|
||||
msg.flags = 0;
|
||||
msg.len = 2;
|
||||
msg.buf = buf;
|
||||
|
||||
buf[0] = 0x00;
|
||||
|
||||
/* send 2bit header (&B10) */
|
||||
buf[1] = lnb | FRIIO_CTL_LED | FRIIO_CTL_STROBE;
|
||||
ret = gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
|
||||
buf[1] |= FRIIO_CTL_CLK;
|
||||
ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
|
||||
|
||||
buf[1] = lnb | FRIIO_CTL_STROBE;
|
||||
ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
|
||||
buf[1] |= FRIIO_CTL_CLK;
|
||||
ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
|
||||
|
||||
/* send 32bit(satur, R, G, B) data in serial */
|
||||
mask = 1 << 31;
|
||||
for (i = 0; i < 32; i++) {
|
||||
buf[1] = lnb | FRIIO_CTL_STROBE;
|
||||
if (sat_color & mask)
|
||||
buf[1] |= FRIIO_CTL_LED;
|
||||
ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
|
||||
buf[1] |= FRIIO_CTL_CLK;
|
||||
ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
|
||||
mask >>= 1;
|
||||
}
|
||||
|
||||
/* set the strobe off */
|
||||
buf[1] = lnb;
|
||||
ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
|
||||
buf[1] |= FRIIO_CTL_CLK;
|
||||
ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
|
||||
|
||||
return (ret == 70);
|
||||
}
|
||||
|
||||
|
||||
static int friio_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff);
|
||||
|
||||
/* TODO: move these init cmds to the FE's init routine? */
|
||||
static u8 streaming_init_cmds[][2] = {
|
||||
{0x33, 0x08},
|
||||
{0x37, 0x40},
|
||||
{0x3A, 0x1F},
|
||||
{0x3B, 0xFF},
|
||||
{0x3C, 0x1F},
|
||||
{0x3D, 0xFF},
|
||||
{0x38, 0x00},
|
||||
{0x35, 0x00},
|
||||
{0x39, 0x00},
|
||||
{0x36, 0x00},
|
||||
};
|
||||
static int cmdlen = sizeof(streaming_init_cmds) / 2;
|
||||
|
||||
/*
|
||||
* Command sequence in this init function is a replay
|
||||
* of the captured USB commands from the Windows proprietary driver.
|
||||
*/
|
||||
static int friio_initialize(struct dvb_usb_device *d)
|
||||
{
|
||||
int ret;
|
||||
int i;
|
||||
int retry = 0;
|
||||
u8 rbuf[2];
|
||||
u8 wbuf[3];
|
||||
|
||||
deb_info("%s called.\n", __func__);
|
||||
|
||||
/* use gl861_i2c_msg instead of gl861_i2c_xfer(), */
|
||||
/* because the i2c device is not set up yet. */
|
||||
wbuf[0] = 0x11;
|
||||
wbuf[1] = 0x02;
|
||||
ret = gl861_i2c_msg(d, 0x00, wbuf, 2, NULL, 0);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
msleep(2);
|
||||
|
||||
wbuf[0] = 0x11;
|
||||
wbuf[1] = 0x00;
|
||||
ret = gl861_i2c_msg(d, 0x00, wbuf, 2, NULL, 0);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
msleep(1);
|
||||
|
||||
/* following msgs should be in the FE's init code? */
|
||||
/* cmd sequence to identify the device type? (friio black/white) */
|
||||
wbuf[0] = 0x03;
|
||||
wbuf[1] = 0x80;
|
||||
/* can't use gl861_i2c_cmd, as the register-addr is 16bit(0x0100) */
|
||||
ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0),
|
||||
GL861_REQ_I2C_DATA_CTRL_WRITE, GL861_WRITE,
|
||||
0x1200, 0x0100, wbuf, 2, 2000);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
|
||||
msleep(2);
|
||||
wbuf[0] = 0x00;
|
||||
wbuf[2] = 0x01; /* reg.0x0100 */
|
||||
wbuf[1] = 0x00;
|
||||
ret = gl861_i2c_msg(d, 0x12 >> 1, wbuf, 3, rbuf, 2);
|
||||
/* my Friio White returns 0xffff. */
|
||||
if (ret < 0 || rbuf[0] != 0xff || rbuf[1] != 0xff)
|
||||
goto error;
|
||||
|
||||
msleep(2);
|
||||
wbuf[0] = 0x03;
|
||||
wbuf[1] = 0x80;
|
||||
ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0),
|
||||
GL861_REQ_I2C_DATA_CTRL_WRITE, GL861_WRITE,
|
||||
0x9000, 0x0100, wbuf, 2, 2000);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
|
||||
msleep(2);
|
||||
wbuf[0] = 0x00;
|
||||
wbuf[2] = 0x01; /* reg.0x0100 */
|
||||
wbuf[1] = 0x00;
|
||||
ret = gl861_i2c_msg(d, 0x90 >> 1, wbuf, 3, rbuf, 2);
|
||||
/* my Friio White returns 0xffff again. */
|
||||
if (ret < 0 || rbuf[0] != 0xff || rbuf[1] != 0xff)
|
||||
goto error;
|
||||
|
||||
msleep(1);
|
||||
|
||||
restart:
|
||||
/* ============ start DEMOD init cmds ================== */
|
||||
/* read PLL status to clear the POR bit */
|
||||
wbuf[0] = JDVBT90502_2ND_I2C_REG;
|
||||
wbuf[1] = (FRIIO_PLL_ADDR << 1) + 1; /* +1 for reading */
|
||||
ret = gl861_i2c_msg(d, FRIIO_DEMOD_ADDR, wbuf, 2, NULL, 0);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
|
||||
msleep(5);
|
||||
/* note: DEMODULATOR has 16bit register-address. */
|
||||
wbuf[0] = 0x00;
|
||||
wbuf[2] = 0x01; /* reg addr: 0x0100 */
|
||||
wbuf[1] = 0x00; /* val: not used */
|
||||
ret = gl861_i2c_msg(d, FRIIO_DEMOD_ADDR, wbuf, 3, rbuf, 1);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
/*
|
||||
msleep(1);
|
||||
wbuf[0] = 0x80;
|
||||
wbuf[1] = 0x00;
|
||||
ret = gl861_i2c_msg(d, FRIIO_DEMOD_ADDR, wbuf, 2, rbuf, 1);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
*/
|
||||
if (rbuf[0] & 0x80) { /* still in PowerOnReset state? */
|
||||
if (++retry > 3) {
|
||||
deb_info("failed to get the correct"
|
||||
" FE demod status:0x%02x\n", rbuf[0]);
|
||||
goto error;
|
||||
}
|
||||
msleep(100);
|
||||
goto restart;
|
||||
}
|
||||
|
||||
/* TODO: check return value in rbuf */
|
||||
/* =========== end DEMOD init cmds ===================== */
|
||||
msleep(1);
|
||||
|
||||
wbuf[0] = 0x30;
|
||||
wbuf[1] = 0x04;
|
||||
ret = gl861_i2c_msg(d, 0x00, wbuf, 2, NULL, 0);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
|
||||
msleep(2);
|
||||
/* following 2 cmds unnecessary? */
|
||||
wbuf[0] = 0x00;
|
||||
wbuf[1] = 0x01;
|
||||
ret = gl861_i2c_msg(d, 0x00, wbuf, 2, NULL, 0);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
|
||||
wbuf[0] = 0x06;
|
||||
wbuf[1] = 0x0F;
|
||||
ret = gl861_i2c_msg(d, 0x00, wbuf, 2, NULL, 0);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
|
||||
/* some streaming ctl cmds (maybe) */
|
||||
msleep(10);
|
||||
for (i = 0; i < cmdlen; i++) {
|
||||
ret = gl861_i2c_msg(d, 0x00, streaming_init_cmds[i], 2,
|
||||
NULL, 0);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
msleep(1);
|
||||
}
|
||||
msleep(20);
|
||||
|
||||
/* change the LED color etc. */
|
||||
ret = friio_streaming_ctrl(&d->adapter[0], 0);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
|
||||
return 0;
|
||||
|
||||
error:
|
||||
deb_info("%s:ret == %d\n", __func__, ret);
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* Callbacks for DVB USB */
|
||||
|
||||
static int friio_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
|
||||
{
|
||||
int ret;
|
||||
|
||||
deb_info("%s called.(%d)\n", __func__, onoff);
|
||||
|
||||
/* set the LED color and saturation (and LNB on) */
|
||||
if (onoff)
|
||||
ret = friio_ext_ctl(adap, 0x6400ff64, 1);
|
||||
else
|
||||
ret = friio_ext_ctl(adap, 0x96ff00ff, 1);
|
||||
|
||||
if (ret != 1) {
|
||||
deb_info("%s failed to send cmdx. ret==%d\n", __func__, ret);
|
||||
return -EREMOTEIO;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int friio_frontend_attach(struct dvb_usb_adapter *adap)
|
||||
{
|
||||
if (friio_initialize(adap->dev) < 0)
|
||||
return -EIO;
|
||||
|
||||
adap->fe = jdvbt90502_attach(adap->dev);
|
||||
if (adap->fe == NULL)
|
||||
return -EIO;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* DVB USB Driver stuff */
|
||||
static struct dvb_usb_device_properties friio_properties;
|
||||
|
||||
static int friio_probe(struct usb_interface *intf,
|
||||
const struct usb_device_id *id)
|
||||
{
|
||||
struct dvb_usb_device *d;
|
||||
struct usb_host_interface *alt;
|
||||
int ret;
|
||||
|
||||
if (intf->num_altsetting < GL861_ALTSETTING_COUNT)
|
||||
return -ENODEV;
|
||||
|
||||
alt = usb_altnum_to_altsetting(intf, FRIIO_BULK_ALTSETTING);
|
||||
if (alt == NULL) {
|
||||
deb_rc("not alt found!\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
ret = usb_set_interface(interface_to_usbdev(intf),
|
||||
alt->desc.bInterfaceNumber,
|
||||
alt->desc.bAlternateSetting);
|
||||
if (ret != 0) {
|
||||
deb_rc("failed to set alt-setting!\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = dvb_usb_device_init(intf, &friio_properties,
|
||||
THIS_MODULE, &d, adapter_nr);
|
||||
if (ret == 0)
|
||||
friio_streaming_ctrl(&d->adapter[0], 1);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
struct jdvbt90502_config friio_fe_config = {
|
||||
.demod_address = FRIIO_DEMOD_ADDR,
|
||||
.pll_address = FRIIO_PLL_ADDR,
|
||||
};
|
||||
|
||||
static struct i2c_algorithm gl861_i2c_algo = {
|
||||
.master_xfer = gl861_i2c_xfer,
|
||||
.functionality = gl861_i2c_func,
|
||||
};
|
||||
|
||||
static struct usb_device_id friio_table[] = {
|
||||
{ USB_DEVICE(USB_VID_774, USB_PID_FRIIO_WHITE) },
|
||||
{ } /* Terminating entry */
|
||||
};
|
||||
MODULE_DEVICE_TABLE(usb, friio_table);
|
||||
|
||||
|
||||
static struct dvb_usb_device_properties friio_properties = {
|
||||
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
|
||||
.usb_ctrl = DEVICE_SPECIFIC,
|
||||
|
||||
.size_of_priv = 0,
|
||||
|
||||
.num_adapters = 1,
|
||||
.adapter = {
|
||||
/* caps:0 => no pid filter, 188B TS packet */
|
||||
/* GL861 has a HW pid filter, but no info available. */
|
||||
{
|
||||
.caps = 0,
|
||||
|
||||
.frontend_attach = friio_frontend_attach,
|
||||
.streaming_ctrl = friio_streaming_ctrl,
|
||||
|
||||
.stream = {
|
||||
.type = USB_BULK,
|
||||
/* count <= MAX_NO_URBS_FOR_DATA_STREAM(10) */
|
||||
.count = 8,
|
||||
.endpoint = 0x01,
|
||||
.u = {
|
||||
/* GL861 has 6KB buf inside */
|
||||
.bulk = {
|
||||
.buffersize = 16384,
|
||||
}
|
||||
}
|
||||
},
|
||||
}
|
||||
},
|
||||
.i2c_algo = &gl861_i2c_algo,
|
||||
|
||||
.num_device_descs = 1,
|
||||
.devices = {
|
||||
{
|
||||
.name = "774 Friio ISDB-T USB2.0",
|
||||
.cold_ids = { NULL },
|
||||
.warm_ids = { &friio_table[0], NULL },
|
||||
},
|
||||
}
|
||||
};
|
||||
|
||||
static struct usb_driver friio_driver = {
|
||||
.name = "dvb_usb_friio",
|
||||
.probe = friio_probe,
|
||||
.disconnect = dvb_usb_device_exit,
|
||||
.id_table = friio_table,
|
||||
};
|
||||
|
||||
|
||||
/* module stuff */
|
||||
static int __init friio_module_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = usb_register(&friio_driver);
|
||||
if (ret)
|
||||
err("usb_register failed. Error number %d", ret);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static void __exit friio_module_exit(void)
|
||||
{
|
||||
/* deregister this driver from the USB subsystem */
|
||||
usb_deregister(&friio_driver);
|
||||
}
|
||||
|
||||
module_init(friio_module_init);
|
||||
module_exit(friio_module_exit);
|
||||
|
||||
MODULE_AUTHOR("Akihiro Tsukada <tskd2@yahoo.co.jp>");
|
||||
MODULE_DESCRIPTION("Driver for Friio ISDB-T USB2.0 Receiver");
|
||||
MODULE_VERSION("0.2");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
@ -0,0 +1,99 @@
|
|||
/* DVB USB compliant Linux driver for the Friio USB2.0 ISDB-T receiver.
|
||||
*
|
||||
* Copyright (C) 2009 Akihiro Tsukada <tskd2@yahoo.co.jp>
|
||||
*
|
||||
* This module is based off the the gl861 and vp702x modules.
|
||||
*
|
||||
* 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, version 2.
|
||||
*
|
||||
* see Documentation/dvb/README.dvb-usb for more information
|
||||
*/
|
||||
#ifndef _DVB_USB_FRIIO_H_
|
||||
#define _DVB_USB_FRIIO_H_
|
||||
|
||||
/**
|
||||
* Friio Components
|
||||
* USB hub: AU4254
|
||||
* USB controller(+ TS dmx & streaming): GL861
|
||||
* Frontend: comtech JDVBT-90502
|
||||
* (tuner PLL: tua6034, I2C addr:(0xC0 >> 1))
|
||||
* (OFDM demodulator: TC90502, I2C addr:(0x30 >> 1))
|
||||
* LED x3 (+LNB) controll: PIC 16F676
|
||||
* EEPROM: 24C08
|
||||
*
|
||||
* (USB smart card reader: AU9522)
|
||||
*
|
||||
*/
|
||||
|
||||
#define DVB_USB_LOG_PREFIX "friio"
|
||||
#include "dvb-usb.h"
|
||||
|
||||
extern int dvb_usb_friio_debug;
|
||||
#define deb_info(args...) dprintk(dvb_usb_friio_debug, 0x01, args)
|
||||
#define deb_xfer(args...) dprintk(dvb_usb_friio_debug, 0x02, args)
|
||||
#define deb_rc(args...) dprintk(dvb_usb_friio_debug, 0x04, args)
|
||||
#define deb_fe(args...) dprintk(dvb_usb_friio_debug, 0x08, args)
|
||||
|
||||
/* Vendor requests */
|
||||
#define GL861_WRITE 0x40
|
||||
#define GL861_READ 0xc0
|
||||
|
||||
/* command bytes */
|
||||
#define GL861_REQ_I2C_WRITE 0x01
|
||||
#define GL861_REQ_I2C_READ 0x02
|
||||
/* For control msg with data argument */
|
||||
/* Used for accessing the PLL on the secondary I2C bus of FE via GL861 */
|
||||
#define GL861_REQ_I2C_DATA_CTRL_WRITE 0x03
|
||||
|
||||
#define GL861_ALTSETTING_COUNT 2
|
||||
#define FRIIO_BULK_ALTSETTING 0
|
||||
#define FRIIO_ISOC_ALTSETTING 1
|
||||
|
||||
/* LED & LNB control via PIC. */
|
||||
/* basically, it's serial control with clock and strobe. */
|
||||
/* write the below 4bit control data to the reg 0x00 at the I2C addr 0x00 */
|
||||
/* when controlling the LEDs, 32bit(saturation, R, G, B) is sent on the bit3*/
|
||||
#define FRIIO_CTL_LNB (1 << 0)
|
||||
#define FRIIO_CTL_STROBE (1 << 1)
|
||||
#define FRIIO_CTL_CLK (1 << 2)
|
||||
#define FRIIO_CTL_LED (1 << 3)
|
||||
|
||||
/* Front End related */
|
||||
|
||||
#define FRIIO_DEMOD_ADDR (0x30 >> 1)
|
||||
#define FRIIO_PLL_ADDR (0xC0 >> 1)
|
||||
|
||||
#define JDVBT90502_PLL_CLK 4000000
|
||||
#define JDVBT90502_PLL_DIVIDER 28
|
||||
|
||||
#define JDVBT90502_2ND_I2C_REG 0xFE
|
||||
|
||||
/* byte index for pll i2c command data structure*/
|
||||
/* see datasheet for tua6034 */
|
||||
#define DEMOD_REDIRECT_REG 0
|
||||
#define ADDRESS_BYTE 1
|
||||
#define DIVIDER_BYTE1 2
|
||||
#define DIVIDER_BYTE2 3
|
||||
#define CONTROL_BYTE 4
|
||||
#define BANDSWITCH_BYTE 5
|
||||
#define AGC_CTRL_BYTE 5
|
||||
#define PLL_CMD_LEN 6
|
||||
|
||||
/* bit masks for PLL STATUS response */
|
||||
#define PLL_STATUS_POR_MODE 0x80 /* 1: Power on Reset (test) Mode */
|
||||
#define PLL_STATUS_LOCKED 0x40 /* 1: locked */
|
||||
#define PLL_STATUS_AGC_ACTIVE 0x08 /* 1:active */
|
||||
#define PLL_STATUS_TESTMODE 0x07 /* digital output level (5 level) */
|
||||
/* 0.15Vcc step 0x00: < 0.15Vcc, ..., 0x04: >= 0.6Vcc (<= 1Vcc) */
|
||||
|
||||
|
||||
struct jdvbt90502_config {
|
||||
u8 demod_address; /* i2c addr for demodulator IC */
|
||||
u8 pll_address; /* PLL addr on the secondary i2c*/
|
||||
};
|
||||
extern struct jdvbt90502_config friio_fe_config;
|
||||
|
||||
extern struct dvb_frontend *jdvbt90502_attach(struct dvb_usb_device *d);
|
||||
#endif
|
||||
Reference in New Issue