+++ /dev/null
-/* 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/media/dvb-drivers/dvb-usb.rst for more information
- */
-#include <linux/init.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-
-#include "friio.h"
-
-struct jdvbt90502_state {
- struct i2c_adapter *i2c;
- struct dvb_frontend frontend;
- struct jdvbt90502_config config;
-};
-
-/* NOTE: TC90502 has 16bit register-address? */
-/* register 0x0100 is used for reading PLL status, so reg is u16 here */
-static int jdvbt90502_reg_read(struct jdvbt90502_state *state,
- const u16 reg, u8 *buf, const size_t count)
-{
- int ret;
- u8 wbuf[3];
- struct i2c_msg msg[2];
-
- wbuf[0] = reg & 0xFF;
- wbuf[1] = 0;
- wbuf[2] = reg >> 8;
-
- msg[0].addr = state->config.demod_address;
- msg[0].flags = 0;
- msg[0].buf = wbuf;
- msg[0].len = sizeof(wbuf);
-
- msg[1].addr = msg[0].addr;
- msg[1].flags = I2C_M_RD;
- msg[1].buf = buf;
- msg[1].len = count;
-
- ret = i2c_transfer(state->i2c, msg, 2);
- if (ret != 2) {
- deb_fe(" reg read failed.\n");
- return -EREMOTEIO;
- }
- return 0;
-}
-
-/* currently 16bit register-address is not used, so reg is u8 here */
-static int jdvbt90502_single_reg_write(struct jdvbt90502_state *state,
- const u8 reg, const u8 val)
-{
- struct i2c_msg msg;
- u8 wbuf[2];
-
- wbuf[0] = reg;
- wbuf[1] = val;
-
- msg.addr = state->config.demod_address;
- msg.flags = 0;
- msg.buf = wbuf;
- msg.len = sizeof(wbuf);
-
- if (i2c_transfer(state->i2c, &msg, 1) != 1) {
- deb_fe(" reg write failed.");
- return -EREMOTEIO;
- }
- return 0;
-}
-
-static int _jdvbt90502_write(struct dvb_frontend *fe, const u8 buf[], int len)
-{
- struct jdvbt90502_state *state = fe->demodulator_priv;
- int err, i;
- for (i = 0; i < len - 1; i++) {
- err = jdvbt90502_single_reg_write(state,
- buf[0] + i, buf[i + 1]);
- if (err)
- return err;
- }
-
- return 0;
-}
-
-/* read pll status byte via the demodulator's I2C register */
-/* note: Win box reads it by 8B block at the I2C addr 0x30 from reg:0x80 */
-static int jdvbt90502_pll_read(struct jdvbt90502_state *state, u8 *result)
-{
- int ret;
-
- /* +1 for reading */
- u8 pll_addr_byte = (state->config.pll_address << 1) + 1;
-
- *result = 0;
-
- ret = jdvbt90502_single_reg_write(state, JDVBT90502_2ND_I2C_REG,
- pll_addr_byte);
- if (ret)
- goto error;
-
- ret = jdvbt90502_reg_read(state, 0x0100, result, 1);
- if (ret)
- goto error;
-
- deb_fe("PLL read val:%02x\n", *result);
- return 0;
-
-error:
- deb_fe("%s:ret == %d\n", __func__, ret);
- return -EREMOTEIO;
-}
-
-
-/* set pll frequency via the demodulator's I2C register */
-static int jdvbt90502_pll_set_freq(struct jdvbt90502_state *state, u32 freq)
-{
- int ret;
- int retry;
- u8 res1;
- u8 res2[9];
-
- u8 pll_freq_cmd[PLL_CMD_LEN];
- u8 pll_agc_cmd[PLL_CMD_LEN];
- struct i2c_msg msg[2];
- u32 f;
-
- deb_fe("%s: freq=%d, step=%d\n", __func__, freq,
- state->frontend.ops.info.frequency_stepsize_hz);
- /* freq -> oscilator frequency conversion. */
- /* freq: 473,000,000 + n*6,000,000 [+ 142857 (center freq. shift)] */
- f = freq / state->frontend.ops.info.frequency_stepsize_hz;
- /* add 399[1/7 MHZ] = 57MHz for the IF */
- f += 399;
- /* add center frequency shift if necessary */
- if (f % 7 == 0)
- f++;
- pll_freq_cmd[DEMOD_REDIRECT_REG] = JDVBT90502_2ND_I2C_REG; /* 0xFE */
- pll_freq_cmd[ADDRESS_BYTE] = state->config.pll_address << 1;
- pll_freq_cmd[DIVIDER_BYTE1] = (f >> 8) & 0x7F;
- pll_freq_cmd[DIVIDER_BYTE2] = f & 0xFF;
- pll_freq_cmd[CONTROL_BYTE] = 0xB2; /* ref.divider:28, 4MHz/28=1/7MHz */
- pll_freq_cmd[BANDSWITCH_BYTE] = 0x08; /* UHF band */
-
- msg[0].addr = state->config.demod_address;
- msg[0].flags = 0;
- msg[0].buf = pll_freq_cmd;
- msg[0].len = sizeof(pll_freq_cmd);
-
- ret = i2c_transfer(state->i2c, &msg[0], 1);
- if (ret != 1)
- goto error;
-
- udelay(50);
-
- pll_agc_cmd[DEMOD_REDIRECT_REG] = pll_freq_cmd[DEMOD_REDIRECT_REG];
- pll_agc_cmd[ADDRESS_BYTE] = pll_freq_cmd[ADDRESS_BYTE];
- pll_agc_cmd[DIVIDER_BYTE1] = pll_freq_cmd[DIVIDER_BYTE1];
- pll_agc_cmd[DIVIDER_BYTE2] = pll_freq_cmd[DIVIDER_BYTE2];
- pll_agc_cmd[CONTROL_BYTE] = 0x9A; /* AGC_CTRL instead of BANDSWITCH */
- pll_agc_cmd[AGC_CTRL_BYTE] = 0x50;
- /* AGC Time Constant 2s, AGC take-over point:103dBuV(lowest) */
-
- msg[1].addr = msg[0].addr;
- msg[1].flags = 0;
- msg[1].buf = pll_agc_cmd;
- msg[1].len = sizeof(pll_agc_cmd);
-
- ret = i2c_transfer(state->i2c, &msg[1], 1);
- if (ret != 1)
- goto error;
-
- /* I don't know what these cmds are for, */
- /* but the USB log on a windows box contains them */
- ret = jdvbt90502_single_reg_write(state, 0x01, 0x40);
- ret |= jdvbt90502_single_reg_write(state, 0x01, 0x00);
- if (ret)
- goto error;
- udelay(100);
-
- /* wait for the demod to be ready? */
-#define RETRY_COUNT 5
- for (retry = 0; retry < RETRY_COUNT; retry++) {
- ret = jdvbt90502_reg_read(state, 0x0096, &res1, 1);
- if (ret)
- goto error;
- /* if (res1 != 0x00) goto error; */
- ret = jdvbt90502_reg_read(state, 0x00B0, res2, sizeof(res2));
- if (ret)
- goto error;
- if (res2[0] >= 0xA7)
- break;
- msleep(100);
- }
- if (retry >= RETRY_COUNT) {
- deb_fe("%s: FE does not get ready after freq setting.\n",
- __func__);
- return -EREMOTEIO;
- }
-
- return 0;
-error:
- deb_fe("%s:ret == %d\n", __func__, ret);
- return -EREMOTEIO;
-}
-
-static int jdvbt90502_read_status(struct dvb_frontend *fe,
- enum fe_status *state)
-{
- u8 result;
- int ret;
-
- *state = FE_HAS_SIGNAL;
-
- ret = jdvbt90502_pll_read(fe->demodulator_priv, &result);
- if (ret) {
- deb_fe("%s:ret == %d\n", __func__, ret);
- return -EREMOTEIO;
- }
-
- *state = FE_HAS_SIGNAL
- | FE_HAS_CARRIER
- | FE_HAS_VITERBI
- | FE_HAS_SYNC;
-
- if (result & PLL_STATUS_LOCKED)
- *state |= FE_HAS_LOCK;
-
- return 0;
-}
-
-static int jdvbt90502_read_signal_strength(struct dvb_frontend *fe,
- u16 *strength)
-{
- int ret;
- u8 rbuf[37];
-
- *strength = 0;
-
- /* status register (incl. signal strength) : 0x89 */
- /* TODO: read just the necessary registers [0x8B..0x8D]? */
- ret = jdvbt90502_reg_read(fe->demodulator_priv, 0x0089,
- rbuf, sizeof(rbuf));
-
- if (ret) {
- deb_fe("%s:ret == %d\n", __func__, ret);
- return -EREMOTEIO;
- }
-
- /* signal_strength: rbuf[2-4] (24bit BE), use lower 16bit for now. */
- *strength = (rbuf[3] << 8) + rbuf[4];
- if (rbuf[2])
- *strength = 0xffff;
-
- return 0;
-}
-
-static int jdvbt90502_set_frontend(struct dvb_frontend *fe)
-{
- struct dtv_frontend_properties *p = &fe->dtv_property_cache;
-
- /**
- * NOTE: ignore all the parameters except frequency.
- * others should be fixed to the proper value for ISDB-T,
- * but don't check here.
- */
-
- struct jdvbt90502_state *state = fe->demodulator_priv;
- int ret;
-
- deb_fe("%s: Freq:%d\n", __func__, p->frequency);
-
- /* This driver only works on auto mode */
- p->inversion = INVERSION_AUTO;
- p->bandwidth_hz = 6000000;
- p->code_rate_HP = FEC_AUTO;
- p->code_rate_LP = FEC_AUTO;
- p->modulation = QAM_64;
- p->transmission_mode = TRANSMISSION_MODE_AUTO;
- p->guard_interval = GUARD_INTERVAL_AUTO;
- p->hierarchy = HIERARCHY_AUTO;
- p->delivery_system = SYS_ISDBT;
-
- ret = jdvbt90502_pll_set_freq(state, p->frequency);
- if (ret) {
- deb_fe("%s:ret == %d\n", __func__, ret);
- return -EREMOTEIO;
- }
-
- return 0;
-}
-
-
-/*
- * (reg, val) commad list to initialize this module.
- * captured on a Windows box.
- */
-static u8 init_code[][2] = {
- {0x01, 0x40},
- {0x04, 0x38},
- {0x05, 0x40},
- {0x07, 0x40},
- {0x0F, 0x4F},
- {0x11, 0x21},
- {0x12, 0x0B},
- {0x13, 0x2F},
- {0x14, 0x31},
- {0x16, 0x02},
- {0x21, 0xC4},
- {0x22, 0x20},
- {0x2C, 0x79},
- {0x2D, 0x34},
- {0x2F, 0x00},
- {0x30, 0x28},
- {0x31, 0x31},
- {0x32, 0xDF},
- {0x38, 0x01},
- {0x39, 0x78},
- {0x3B, 0x33},
- {0x3C, 0x33},
- {0x48, 0x90},
- {0x51, 0x68},
- {0x5E, 0x38},
- {0x71, 0x00},
- {0x72, 0x08},
- {0x77, 0x00},
- {0xC0, 0x21},
- {0xC1, 0x10},
- {0xE4, 0x1A},
- {0xEA, 0x1F},
- {0x77, 0x00},
- {0x71, 0x00},
- {0x71, 0x00},
- {0x76, 0x0C},
-};
-
-static int jdvbt90502_init(struct dvb_frontend *fe)
-{
- int i = -1;
- int ret;
- struct i2c_msg msg;
-
- struct jdvbt90502_state *state = fe->demodulator_priv;
-
- deb_fe("%s called.\n", __func__);
-
- msg.addr = state->config.demod_address;
- msg.flags = 0;
- msg.len = 2;
- for (i = 0; i < ARRAY_SIZE(init_code); i++) {
- msg.buf = init_code[i];
- ret = i2c_transfer(state->i2c, &msg, 1);
- if (ret != 1)
- goto error;
- }
- fe->dtv_property_cache.delivery_system = SYS_ISDBT;
- msleep(100);
-
- return 0;
-
-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 const 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;
- state->config = friio_fe_config;
-
- /* create dvb_frontend */
- state->frontend.ops = jdvbt90502_ops;
- state->frontend.demodulator_priv = state;
-
- if (jdvbt90502_init(&state->frontend) < 0)
- goto error;
-
- return &state->frontend;
-
-error:
- kfree(state);
- return NULL;
-}
-
-static const struct dvb_frontend_ops jdvbt90502_ops = {
- .delsys = { SYS_ISDBT },
- .info = {
- .name = "Comtech JDVBT90502 ISDB-T",
- .frequency_min_hz = 473000000, /* UHF 13ch, center */
- .frequency_max_hz = 767142857, /* UHF 62ch, center */
- .frequency_stepsize_hz = JDVBT90502_PLL_CLK / JDVBT90502_PLL_DIVIDER,
-
- /* 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,
- .write = _jdvbt90502_write,
-
- .set_frontend = jdvbt90502_set_frontend,
-
- .read_status = jdvbt90502_read_status,
- .read_signal_strength = jdvbt90502_read_signal_strength,
-};
+++ /dev/null
-/* 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/media/dvb-drivers/dvb-usb.rst 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;
- u32 mask;
- u8 lnb = (lnb_on) ? FRIIO_CTL_LNB : 0;
-
- buf = kmalloc(2, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- 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);
-
- kfree(buf);
- 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, *wbuf;
-
- deb_info("%s called.\n", __func__);
-
- wbuf = kmalloc(3, GFP_KERNEL);
- if (!wbuf)
- return -ENOMEM;
-
- rbuf = kmalloc(2, GFP_KERNEL);
- if (!rbuf) {
- kfree(wbuf);
- return -ENOMEM;
- }
-
- /* 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:
- kfree(wbuf);
- kfree(rbuf);
- 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_adap[0].fe = jdvbt90502_attach(adap->dev);
- if (adap->fe_adap[0].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. */
- {
- .num_frontends = 1,
- .fe = {{
- .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_usb_driver(friio_driver);
-
-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");
+++ /dev/null
-/* 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/media/dvb-drivers/dvb-usb.rst 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) control: 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
projects / linux-2.6-microblaze.git / commitdiff