Skip to content

K
Kernel

openeuler / Kernel
1 年多 前同步成功

通知 8
Star 0
Fork 0
K
Kernel
提交 aaef6a9d 编写于 作者: C Corentin Labbe 提交者： Mauro Carvalho Chehab
浏览文件
操作

media: usb: dvb-usb: remove old friio driver 

friio drivers is unused and un-compilable since
commit b30cc07d ("media: dvb-usb/friio, dvb-usb-v2/gl861: decompose
friio and merge with gl861"). Let's remove it.
Signed-off-by: NCorentin Labbe <clabbe@baylibre.com>
Cc: Akihiro Tsukada <tskd2@yahoo.co.jp>
Signed-off-by: NSean Young <sean@mess.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab+samsung@kernel.org>
上级 d3411f65
隐藏空白更改
内联 并排
Showing with 0 addition and 1061 deletion
drivers/media/usb/dvb-usb/friio-fe.c 已删除 100644 → 0
浏览文件 @ d3411f65
/* 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,
};
drivers/media/usb/dvb-usb/friio.c 已删除 100644 → 0
浏览文件 @ d3411f65
/* 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");
drivers/media/usb/dvb-usb/friio.h 已删除 100644 → 0
浏览文件 @ d3411f65
/* 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
Markdown is supported
0% 或 .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑！
想要评论请 注册 或