mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 00:48:50 +00:00
1a5d2da113
Remove useless kfree() and clean up code related to the removal. The semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ position p1,p2; expression x; @@ if (x@p1 == NULL) { ... kfree@p2(x); ... return ...; } @unchanged exists@ position r.p1,r.p2; expression e <= r.x,x,e1; iterator I; statement S; @@ if (x@p1 == NULL) { ... when != I(x,...) S when != e = e1 when != e += e1 when != e -= e1 when != ++e when != --e when != e++ when != e-- when != &e kfree@p2(x); ... return ...; } @ok depends on unchanged exists@ position any r.p1; position r.p2; expression x; @@ ... when != true x@p1 == NULL kfree@p2(x); @depends on !ok && unchanged@ position r.p2; expression x; @@ *kfree@p2(x); // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1464 lines
30 KiB
C
1464 lines
30 KiB
C
/*
|
|
* Support for LG2160 - ATSC/MH
|
|
*
|
|
* Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
*/
|
|
|
|
#include <linux/jiffies.h>
|
|
#include <linux/dvb/frontend.h>
|
|
#include "lg2160.h"
|
|
|
|
static int debug;
|
|
module_param(debug, int, 0644);
|
|
MODULE_PARM_DESC(debug, "set debug level (info=1, reg=2 (or-able))");
|
|
|
|
#define DBG_INFO 1
|
|
#define DBG_REG 2
|
|
|
|
#define lg_printk(kern, fmt, arg...) \
|
|
printk(kern "%s: " fmt, __func__, ##arg)
|
|
|
|
#define lg_info(fmt, arg...) printk(KERN_INFO "lg2160: " fmt, ##arg)
|
|
#define lg_warn(fmt, arg...) lg_printk(KERN_WARNING, fmt, ##arg)
|
|
#define lg_err(fmt, arg...) lg_printk(KERN_ERR, fmt, ##arg)
|
|
#define lg_dbg(fmt, arg...) if (debug & DBG_INFO) \
|
|
lg_printk(KERN_DEBUG, fmt, ##arg)
|
|
#define lg_reg(fmt, arg...) if (debug & DBG_REG) \
|
|
lg_printk(KERN_DEBUG, fmt, ##arg)
|
|
|
|
#define lg_fail(ret) \
|
|
({ \
|
|
int __ret; \
|
|
__ret = (ret < 0); \
|
|
if (__ret) \
|
|
lg_err("error %d on line %d\n", ret, __LINE__); \
|
|
__ret; \
|
|
})
|
|
|
|
struct lg216x_state {
|
|
struct i2c_adapter *i2c_adap;
|
|
const struct lg2160_config *cfg;
|
|
|
|
struct dvb_frontend frontend;
|
|
|
|
u32 current_frequency;
|
|
u8 parade_id;
|
|
u8 fic_ver;
|
|
unsigned int last_reset;
|
|
};
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
static int lg216x_write_reg(struct lg216x_state *state, u16 reg, u8 val)
|
|
{
|
|
int ret;
|
|
u8 buf[] = { reg >> 8, reg & 0xff, val };
|
|
struct i2c_msg msg = {
|
|
.addr = state->cfg->i2c_addr, .flags = 0,
|
|
.buf = buf, .len = 3,
|
|
};
|
|
|
|
lg_reg("reg: 0x%04x, val: 0x%02x\n", reg, val);
|
|
|
|
ret = i2c_transfer(state->i2c_adap, &msg, 1);
|
|
|
|
if (ret != 1) {
|
|
lg_err("error (addr %02x %02x <- %02x, err = %i)\n",
|
|
msg.buf[0], msg.buf[1], msg.buf[2], ret);
|
|
if (ret < 0)
|
|
return ret;
|
|
else
|
|
return -EREMOTEIO;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int lg216x_read_reg(struct lg216x_state *state, u16 reg, u8 *val)
|
|
{
|
|
int ret;
|
|
u8 reg_buf[] = { reg >> 8, reg & 0xff };
|
|
struct i2c_msg msg[] = {
|
|
{ .addr = state->cfg->i2c_addr,
|
|
.flags = 0, .buf = reg_buf, .len = 2 },
|
|
{ .addr = state->cfg->i2c_addr,
|
|
.flags = I2C_M_RD, .buf = val, .len = 1 },
|
|
};
|
|
|
|
lg_reg("reg: 0x%04x\n", reg);
|
|
|
|
ret = i2c_transfer(state->i2c_adap, msg, 2);
|
|
|
|
if (ret != 2) {
|
|
lg_err("error (addr %02x reg %04x error (ret == %i)\n",
|
|
state->cfg->i2c_addr, reg, ret);
|
|
if (ret < 0)
|
|
return ret;
|
|
else
|
|
return -EREMOTEIO;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
struct lg216x_reg {
|
|
u16 reg;
|
|
u8 val;
|
|
};
|
|
|
|
static int lg216x_write_regs(struct lg216x_state *state,
|
|
struct lg216x_reg *regs, int len)
|
|
{
|
|
int i, ret;
|
|
|
|
lg_reg("writing %d registers...\n", len);
|
|
|
|
for (i = 0; i < len; i++) {
|
|
ret = lg216x_write_reg(state, regs[i].reg, regs[i].val);
|
|
if (lg_fail(ret))
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int lg216x_set_reg_bit(struct lg216x_state *state,
|
|
u16 reg, int bit, int onoff)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
lg_reg("reg: 0x%04x, bit: %d, level: %d\n", reg, bit, onoff);
|
|
|
|
ret = lg216x_read_reg(state, reg, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= ~(1 << bit);
|
|
val |= (onoff & 1) << bit;
|
|
|
|
ret = lg216x_write_reg(state, reg, val);
|
|
lg_fail(ret);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
static int lg216x_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
|
|
{
|
|
struct lg216x_state *state = fe->demodulator_priv;
|
|
int ret;
|
|
|
|
if (state->cfg->deny_i2c_rptr)
|
|
return 0;
|
|
|
|
lg_dbg("(%d)\n", enable);
|
|
|
|
ret = lg216x_set_reg_bit(state, 0x0000, 0, enable ? 0 : 1);
|
|
|
|
msleep(1);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_soft_reset(struct lg216x_state *state)
|
|
{
|
|
int ret;
|
|
|
|
lg_dbg("\n");
|
|
|
|
ret = lg216x_write_reg(state, 0x0002, 0x00);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
msleep(20);
|
|
ret = lg216x_write_reg(state, 0x0002, 0x01);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
state->last_reset = jiffies_to_msecs(jiffies);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_initialize(struct lg216x_state *state)
|
|
{
|
|
int ret;
|
|
|
|
static struct lg216x_reg lg2160_init[] = {
|
|
#if 0
|
|
{ .reg = 0x0015, .val = 0xe6 },
|
|
#else
|
|
{ .reg = 0x0015, .val = 0xf7 },
|
|
{ .reg = 0x001b, .val = 0x52 },
|
|
{ .reg = 0x0208, .val = 0x00 },
|
|
{ .reg = 0x0209, .val = 0x82 },
|
|
{ .reg = 0x0210, .val = 0xf9 },
|
|
{ .reg = 0x020a, .val = 0x00 },
|
|
{ .reg = 0x020b, .val = 0x82 },
|
|
{ .reg = 0x020d, .val = 0x28 },
|
|
{ .reg = 0x020f, .val = 0x14 },
|
|
#endif
|
|
};
|
|
|
|
static struct lg216x_reg lg2161_init[] = {
|
|
{ .reg = 0x0000, .val = 0x41 },
|
|
{ .reg = 0x0001, .val = 0xfb },
|
|
{ .reg = 0x0216, .val = 0x00 },
|
|
{ .reg = 0x0219, .val = 0x00 },
|
|
{ .reg = 0x021b, .val = 0x55 },
|
|
{ .reg = 0x0606, .val = 0x0a },
|
|
};
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg216x_write_regs(state,
|
|
lg2160_init, ARRAY_SIZE(lg2160_init));
|
|
break;
|
|
case LG2161:
|
|
ret = lg216x_write_regs(state,
|
|
lg2161_init, ARRAY_SIZE(lg2161_init));
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_soft_reset(state);
|
|
lg_fail(ret);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
static int lg216x_set_if(struct lg216x_state *state)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
lg_dbg("%d KHz\n", state->cfg->if_khz);
|
|
|
|
ret = lg216x_read_reg(state, 0x0132, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= 0xfb;
|
|
val |= (0 == state->cfg->if_khz) ? 0x04 : 0x00;
|
|
|
|
ret = lg216x_write_reg(state, 0x0132, val);
|
|
lg_fail(ret);
|
|
|
|
/* if NOT zero IF, 6 MHz is the default */
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
static int lg2160_agc_fix(struct lg216x_state *state,
|
|
int if_agc_fix, int rf_agc_fix)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
ret = lg216x_read_reg(state, 0x0100, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= 0xf3;
|
|
val |= (if_agc_fix) ? 0x08 : 0x00;
|
|
val |= (rf_agc_fix) ? 0x04 : 0x00;
|
|
|
|
ret = lg216x_write_reg(state, 0x0100, val);
|
|
lg_fail(ret);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
#if 0
|
|
static int lg2160_agc_freeze(struct lg216x_state *state,
|
|
int if_agc_freeze, int rf_agc_freeze)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
ret = lg216x_read_reg(state, 0x0100, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= 0xcf;
|
|
val |= (if_agc_freeze) ? 0x20 : 0x00;
|
|
val |= (rf_agc_freeze) ? 0x10 : 0x00;
|
|
|
|
ret = lg216x_write_reg(state, 0x0100, val);
|
|
lg_fail(ret);
|
|
fail:
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static int lg2160_agc_polarity(struct lg216x_state *state,
|
|
int if_agc_polarity, int rf_agc_polarity)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
ret = lg216x_read_reg(state, 0x0100, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= 0xfc;
|
|
val |= (if_agc_polarity) ? 0x02 : 0x00;
|
|
val |= (rf_agc_polarity) ? 0x01 : 0x00;
|
|
|
|
ret = lg216x_write_reg(state, 0x0100, val);
|
|
lg_fail(ret);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg2160_tuner_pwr_save_polarity(struct lg216x_state *state,
|
|
int polarity)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
ret = lg216x_read_reg(state, 0x0008, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= 0xfe;
|
|
val |= (polarity) ? 0x01 : 0x00;
|
|
|
|
ret = lg216x_write_reg(state, 0x0008, val);
|
|
lg_fail(ret);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg2160_spectrum_polarity(struct lg216x_state *state,
|
|
int inverted)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
ret = lg216x_read_reg(state, 0x0132, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= 0xfd;
|
|
val |= (inverted) ? 0x02 : 0x00;
|
|
|
|
ret = lg216x_write_reg(state, 0x0132, val);
|
|
lg_fail(ret);
|
|
fail:
|
|
return lg216x_soft_reset(state);
|
|
}
|
|
|
|
static int lg2160_tuner_pwr_save(struct lg216x_state *state, int onoff)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
ret = lg216x_read_reg(state, 0x0007, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= 0xbf;
|
|
val |= (onoff) ? 0x40 : 0x00;
|
|
|
|
ret = lg216x_write_reg(state, 0x0007, val);
|
|
lg_fail(ret);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_set_parade(struct lg216x_state *state, int id)
|
|
{
|
|
int ret;
|
|
|
|
ret = lg216x_write_reg(state, 0x013e, id & 0x7f);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
state->parade_id = id & 0x7f;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_set_ensemble(struct lg216x_state *state, int id)
|
|
{
|
|
int ret;
|
|
u16 reg;
|
|
u8 val;
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
reg = 0x0400;
|
|
break;
|
|
case LG2161:
|
|
default:
|
|
reg = 0x0500;
|
|
break;
|
|
}
|
|
|
|
ret = lg216x_read_reg(state, reg, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= 0xfe;
|
|
val |= (id) ? 0x01 : 0x00;
|
|
|
|
ret = lg216x_write_reg(state, reg, val);
|
|
lg_fail(ret);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg2160_set_spi_clock(struct lg216x_state *state)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
ret = lg216x_read_reg(state, 0x0014, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= 0xf3;
|
|
val |= (state->cfg->spi_clock << 2);
|
|
|
|
ret = lg216x_write_reg(state, 0x0014, val);
|
|
lg_fail(ret);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg2161_set_output_interface(struct lg216x_state *state)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
ret = lg216x_read_reg(state, 0x0014, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= ~0x07;
|
|
val |= state->cfg->output_if; /* FIXME: needs sanity check */
|
|
|
|
ret = lg216x_write_reg(state, 0x0014, val);
|
|
lg_fail(ret);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_enable_fic(struct lg216x_state *state, int onoff)
|
|
{
|
|
int ret;
|
|
|
|
ret = lg216x_write_reg(state, 0x0017, 0x23);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_write_reg(state, 0x0016, 0xfc);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg216x_write_reg(state, 0x0016,
|
|
0xfc | ((onoff) ? 0x02 : 0x00));
|
|
break;
|
|
case LG2161:
|
|
ret = lg216x_write_reg(state, 0x0016, (onoff) ? 0x10 : 0x00);
|
|
break;
|
|
}
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_initialize(state);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
if (onoff) {
|
|
ret = lg216x_write_reg(state, 0x0017, 0x03);
|
|
lg_fail(ret);
|
|
}
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
static int lg216x_get_fic_version(struct lg216x_state *state, u8 *ficver)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
*ficver = 0xff; /* invalid value */
|
|
|
|
ret = lg216x_read_reg(state, 0x0128, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*ficver = (val >> 3) & 0x1f;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
#if 0
|
|
static int lg2160_get_parade_id(struct lg216x_state *state, u8 *id)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
*id = 0xff; /* invalid value */
|
|
|
|
ret = lg216x_read_reg(state, 0x0123, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*id = val & 0x7f;
|
|
fail:
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static int lg216x_get_nog(struct lg216x_state *state, u8 *nog)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
*nog = 0xff; /* invalid value */
|
|
|
|
ret = lg216x_read_reg(state, 0x0124, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*nog = ((val >> 4) & 0x07) + 1;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_get_tnog(struct lg216x_state *state, u8 *tnog)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
*tnog = 0xff; /* invalid value */
|
|
|
|
ret = lg216x_read_reg(state, 0x0125, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*tnog = val & 0x1f;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_get_sgn(struct lg216x_state *state, u8 *sgn)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
*sgn = 0xff; /* invalid value */
|
|
|
|
ret = lg216x_read_reg(state, 0x0124, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*sgn = val & 0x0f;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_get_prc(struct lg216x_state *state, u8 *prc)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
*prc = 0xff; /* invalid value */
|
|
|
|
ret = lg216x_read_reg(state, 0x0125, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*prc = ((val >> 5) & 0x07) + 1;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
static int lg216x_get_rs_frame_mode(struct lg216x_state *state,
|
|
enum atscmh_rs_frame_mode *rs_framemode)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg216x_read_reg(state, 0x0410, &val);
|
|
break;
|
|
case LG2161:
|
|
ret = lg216x_read_reg(state, 0x0513, &val);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
switch ((val >> 4) & 0x03) {
|
|
#if 1
|
|
default:
|
|
#endif
|
|
case 0x00:
|
|
*rs_framemode = ATSCMH_RSFRAME_PRI_ONLY;
|
|
break;
|
|
case 0x01:
|
|
*rs_framemode = ATSCMH_RSFRAME_PRI_SEC;
|
|
break;
|
|
#if 0
|
|
default:
|
|
*rs_framemode = ATSCMH_RSFRAME_RES;
|
|
break;
|
|
#endif
|
|
}
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static
|
|
int lg216x_get_rs_frame_ensemble(struct lg216x_state *state,
|
|
enum atscmh_rs_frame_ensemble *rs_frame_ens)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg216x_read_reg(state, 0x0400, &val);
|
|
break;
|
|
case LG2161:
|
|
ret = lg216x_read_reg(state, 0x0500, &val);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
val &= 0x01;
|
|
*rs_frame_ens = (enum atscmh_rs_frame_ensemble) val;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_get_rs_code_mode(struct lg216x_state *state,
|
|
enum atscmh_rs_code_mode *rs_code_pri,
|
|
enum atscmh_rs_code_mode *rs_code_sec)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg216x_read_reg(state, 0x0410, &val);
|
|
break;
|
|
case LG2161:
|
|
ret = lg216x_read_reg(state, 0x0513, &val);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*rs_code_pri = (enum atscmh_rs_code_mode) ((val >> 2) & 0x03);
|
|
*rs_code_sec = (enum atscmh_rs_code_mode) (val & 0x03);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_get_sccc_block_mode(struct lg216x_state *state,
|
|
enum atscmh_sccc_block_mode *sccc_block)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg216x_read_reg(state, 0x0315, &val);
|
|
break;
|
|
case LG2161:
|
|
ret = lg216x_read_reg(state, 0x0511, &val);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
switch (val & 0x03) {
|
|
case 0x00:
|
|
*sccc_block = ATSCMH_SCCC_BLK_SEP;
|
|
break;
|
|
case 0x01:
|
|
*sccc_block = ATSCMH_SCCC_BLK_COMB;
|
|
break;
|
|
default:
|
|
*sccc_block = ATSCMH_SCCC_BLK_RES;
|
|
break;
|
|
}
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_get_sccc_code_mode(struct lg216x_state *state,
|
|
enum atscmh_sccc_code_mode *mode_a,
|
|
enum atscmh_sccc_code_mode *mode_b,
|
|
enum atscmh_sccc_code_mode *mode_c,
|
|
enum atscmh_sccc_code_mode *mode_d)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg216x_read_reg(state, 0x0316, &val);
|
|
break;
|
|
case LG2161:
|
|
ret = lg216x_read_reg(state, 0x0512, &val);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
switch ((val >> 6) & 0x03) {
|
|
case 0x00:
|
|
*mode_a = ATSCMH_SCCC_CODE_HLF;
|
|
break;
|
|
case 0x01:
|
|
*mode_a = ATSCMH_SCCC_CODE_QTR;
|
|
break;
|
|
default:
|
|
*mode_a = ATSCMH_SCCC_CODE_RES;
|
|
break;
|
|
}
|
|
|
|
switch ((val >> 4) & 0x03) {
|
|
case 0x00:
|
|
*mode_b = ATSCMH_SCCC_CODE_HLF;
|
|
break;
|
|
case 0x01:
|
|
*mode_b = ATSCMH_SCCC_CODE_QTR;
|
|
break;
|
|
default:
|
|
*mode_b = ATSCMH_SCCC_CODE_RES;
|
|
break;
|
|
}
|
|
|
|
switch ((val >> 2) & 0x03) {
|
|
case 0x00:
|
|
*mode_c = ATSCMH_SCCC_CODE_HLF;
|
|
break;
|
|
case 0x01:
|
|
*mode_c = ATSCMH_SCCC_CODE_QTR;
|
|
break;
|
|
default:
|
|
*mode_c = ATSCMH_SCCC_CODE_RES;
|
|
break;
|
|
}
|
|
|
|
switch (val & 0x03) {
|
|
case 0x00:
|
|
*mode_d = ATSCMH_SCCC_CODE_HLF;
|
|
break;
|
|
case 0x01:
|
|
*mode_d = ATSCMH_SCCC_CODE_QTR;
|
|
break;
|
|
default:
|
|
*mode_d = ATSCMH_SCCC_CODE_RES;
|
|
break;
|
|
}
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
#if 0
|
|
static int lg216x_read_fic_err_count(struct lg216x_state *state, u8 *err)
|
|
{
|
|
u8 fic_err;
|
|
int ret;
|
|
|
|
*err = 0;
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg216x_read_reg(state, 0x0012, &fic_err);
|
|
break;
|
|
case LG2161:
|
|
ret = lg216x_read_reg(state, 0x001e, &fic_err);
|
|
break;
|
|
}
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*err = fic_err;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg2160_read_crc_err_count(struct lg216x_state *state, u16 *err)
|
|
{
|
|
u8 crc_err1, crc_err2;
|
|
int ret;
|
|
|
|
*err = 0;
|
|
|
|
ret = lg216x_read_reg(state, 0x0411, &crc_err1);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_read_reg(state, 0x0412, &crc_err2);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*err = (u16)(((crc_err2 & 0x0f) << 8) | crc_err1);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg2161_read_crc_err_count(struct lg216x_state *state, u16 *err)
|
|
{
|
|
u8 crc_err;
|
|
int ret;
|
|
|
|
*err = 0;
|
|
|
|
ret = lg216x_read_reg(state, 0x0612, &crc_err);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*err = (u16)crc_err;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_read_crc_err_count(struct lg216x_state *state, u16 *err)
|
|
{
|
|
int ret;
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg2160_read_crc_err_count(state, err);
|
|
break;
|
|
case LG2161:
|
|
ret = lg2161_read_crc_err_count(state, err);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int lg2160_read_rs_err_count(struct lg216x_state *state, u16 *err)
|
|
{
|
|
u8 rs_err1, rs_err2;
|
|
int ret;
|
|
|
|
*err = 0;
|
|
|
|
ret = lg216x_read_reg(state, 0x0413, &rs_err1);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_read_reg(state, 0x0414, &rs_err2);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*err = (u16)(((rs_err2 & 0x0f) << 8) | rs_err1);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg2161_read_rs_err_count(struct lg216x_state *state, u16 *err)
|
|
{
|
|
u8 rs_err1, rs_err2;
|
|
int ret;
|
|
|
|
*err = 0;
|
|
|
|
ret = lg216x_read_reg(state, 0x0613, &rs_err1);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_read_reg(state, 0x0614, &rs_err2);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*err = (u16)((rs_err1 << 8) | rs_err2);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_read_rs_err_count(struct lg216x_state *state, u16 *err)
|
|
{
|
|
int ret;
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg2160_read_rs_err_count(state, err);
|
|
break;
|
|
case LG2161:
|
|
ret = lg2161_read_rs_err_count(state, err);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
static int lg216x_get_frontend(struct dvb_frontend *fe)
|
|
{
|
|
struct lg216x_state *state = fe->demodulator_priv;
|
|
int ret;
|
|
|
|
lg_dbg("\n");
|
|
|
|
fe->dtv_property_cache.modulation = VSB_8;
|
|
fe->dtv_property_cache.frequency = state->current_frequency;
|
|
fe->dtv_property_cache.delivery_system = SYS_ATSCMH;
|
|
|
|
ret = lg216x_get_fic_version(state,
|
|
&fe->dtv_property_cache.atscmh_fic_ver);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
if (state->fic_ver != fe->dtv_property_cache.atscmh_fic_ver) {
|
|
state->fic_ver = fe->dtv_property_cache.atscmh_fic_ver;
|
|
|
|
#if 0
|
|
ret = lg2160_get_parade_id(state,
|
|
&fe->dtv_property_cache.atscmh_parade_id);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
/* #else */
|
|
fe->dtv_property_cache.atscmh_parade_id = state->parade_id;
|
|
#endif
|
|
ret = lg216x_get_nog(state,
|
|
&fe->dtv_property_cache.atscmh_nog);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg216x_get_tnog(state,
|
|
&fe->dtv_property_cache.atscmh_tnog);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg216x_get_sgn(state,
|
|
&fe->dtv_property_cache.atscmh_sgn);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg216x_get_prc(state,
|
|
&fe->dtv_property_cache.atscmh_prc);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_get_rs_frame_mode(state,
|
|
(enum atscmh_rs_frame_mode *)
|
|
&fe->dtv_property_cache.atscmh_rs_frame_mode);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg216x_get_rs_frame_ensemble(state,
|
|
(enum atscmh_rs_frame_ensemble *)
|
|
&fe->dtv_property_cache.atscmh_rs_frame_ensemble);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg216x_get_rs_code_mode(state,
|
|
(enum atscmh_rs_code_mode *)
|
|
&fe->dtv_property_cache.atscmh_rs_code_mode_pri,
|
|
(enum atscmh_rs_code_mode *)
|
|
&fe->dtv_property_cache.atscmh_rs_code_mode_sec);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg216x_get_sccc_block_mode(state,
|
|
(enum atscmh_sccc_block_mode *)
|
|
&fe->dtv_property_cache.atscmh_sccc_block_mode);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg216x_get_sccc_code_mode(state,
|
|
(enum atscmh_sccc_code_mode *)
|
|
&fe->dtv_property_cache.atscmh_sccc_code_mode_a,
|
|
(enum atscmh_sccc_code_mode *)
|
|
&fe->dtv_property_cache.atscmh_sccc_code_mode_b,
|
|
(enum atscmh_sccc_code_mode *)
|
|
&fe->dtv_property_cache.atscmh_sccc_code_mode_c,
|
|
(enum atscmh_sccc_code_mode *)
|
|
&fe->dtv_property_cache.atscmh_sccc_code_mode_d);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
}
|
|
#if 0
|
|
ret = lg216x_read_fic_err_count(state,
|
|
(u8 *)&fe->dtv_property_cache.atscmh_fic_err);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg216x_read_crc_err_count(state,
|
|
&fe->dtv_property_cache.atscmh_crc_err);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg216x_read_rs_err_count(state,
|
|
&fe->dtv_property_cache.atscmh_rs_err);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
if (((fe->dtv_property_cache.atscmh_rs_err >= 240) &&
|
|
(fe->dtv_property_cache.atscmh_crc_err >= 240)) &&
|
|
((jiffies_to_msecs(jiffies) - state->last_reset) > 6000))
|
|
ret = lg216x_soft_reset(state);
|
|
break;
|
|
case LG2161:
|
|
/* no fix needed here (as far as we know) */
|
|
ret = 0;
|
|
break;
|
|
}
|
|
lg_fail(ret);
|
|
#endif
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_get_property(struct dvb_frontend *fe,
|
|
struct dtv_property *tvp)
|
|
{
|
|
return (DTV_ATSCMH_FIC_VER == tvp->cmd) ?
|
|
lg216x_get_frontend(fe) : 0;
|
|
}
|
|
|
|
|
|
static int lg2160_set_frontend(struct dvb_frontend *fe)
|
|
{
|
|
struct lg216x_state *state = fe->demodulator_priv;
|
|
int ret;
|
|
|
|
lg_dbg("(%d)\n", fe->dtv_property_cache.frequency);
|
|
|
|
if (fe->ops.tuner_ops.set_params) {
|
|
ret = fe->ops.tuner_ops.set_params(fe);
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 0);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
state->current_frequency = fe->dtv_property_cache.frequency;
|
|
}
|
|
|
|
ret = lg2160_agc_fix(state, 0, 0);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg2160_agc_polarity(state, 0, 0);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg2160_tuner_pwr_save_polarity(state, 1);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg216x_set_if(state);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
ret = lg2160_spectrum_polarity(state, state->cfg->spectral_inversion);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
/* be tuned before this point */
|
|
ret = lg216x_soft_reset(state);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg2160_tuner_pwr_save(state, 0);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg2160_set_spi_clock(state);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
break;
|
|
case LG2161:
|
|
ret = lg2161_set_output_interface(state);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
break;
|
|
}
|
|
|
|
ret = lg216x_set_parade(state, fe->dtv_property_cache.atscmh_parade_id);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_set_ensemble(state,
|
|
fe->dtv_property_cache.atscmh_rs_frame_ensemble);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_initialize(state);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_enable_fic(state, 1);
|
|
lg_fail(ret);
|
|
|
|
lg216x_get_frontend(fe);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
static int lg2160_read_lock_status(struct lg216x_state *state,
|
|
int *acq_lock, int *sync_lock)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
*acq_lock = 0;
|
|
*sync_lock = 0;
|
|
|
|
ret = lg216x_read_reg(state, 0x011b, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*sync_lock = (val & 0x20) ? 0 : 1;
|
|
*acq_lock = (val & 0x40) ? 0 : 1;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
#ifdef USE_LG2161_LOCK_BITS
|
|
static int lg2161_read_lock_status(struct lg216x_state *state,
|
|
int *acq_lock, int *sync_lock)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
*acq_lock = 0;
|
|
*sync_lock = 0;
|
|
|
|
ret = lg216x_read_reg(state, 0x0304, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*sync_lock = (val & 0x80) ? 0 : 1;
|
|
|
|
ret = lg216x_read_reg(state, 0x011b, &val);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*acq_lock = (val & 0x40) ? 0 : 1;
|
|
fail:
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static int lg216x_read_lock_status(struct lg216x_state *state,
|
|
int *acq_lock, int *sync_lock)
|
|
{
|
|
#ifdef USE_LG2161_LOCK_BITS
|
|
int ret;
|
|
switch (state->cfg->lg_chip) {
|
|
case LG2160:
|
|
ret = lg2160_read_lock_status(state, acq_lock, sync_lock);
|
|
break;
|
|
case LG2161:
|
|
ret = lg2161_read_lock_status(state, acq_lock, sync_lock);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
return ret;
|
|
#else
|
|
return lg2160_read_lock_status(state, acq_lock, sync_lock);
|
|
#endif
|
|
}
|
|
|
|
static int lg216x_read_status(struct dvb_frontend *fe, fe_status_t *status)
|
|
{
|
|
struct lg216x_state *state = fe->demodulator_priv;
|
|
int ret, acq_lock, sync_lock;
|
|
|
|
*status = 0;
|
|
|
|
ret = lg216x_read_lock_status(state, &acq_lock, &sync_lock);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
lg_dbg("%s%s\n",
|
|
acq_lock ? "SIGNALEXIST " : "",
|
|
sync_lock ? "SYNCLOCK" : "");
|
|
|
|
if (acq_lock)
|
|
*status |= FE_HAS_SIGNAL;
|
|
if (sync_lock)
|
|
*status |= FE_HAS_SYNC;
|
|
|
|
if (*status)
|
|
*status |= FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_LOCK;
|
|
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
static int lg2160_read_snr(struct dvb_frontend *fe, u16 *snr)
|
|
{
|
|
struct lg216x_state *state = fe->demodulator_priv;
|
|
u8 snr1, snr2;
|
|
int ret;
|
|
|
|
*snr = 0;
|
|
|
|
ret = lg216x_read_reg(state, 0x0202, &snr1);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_read_reg(state, 0x0203, &snr2);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
if ((snr1 == 0xba) || (snr2 == 0xdf))
|
|
*snr = 0;
|
|
else
|
|
#if 1
|
|
*snr = ((snr1 >> 4) * 100) + ((snr1 & 0x0f) * 10) + (snr2 >> 4);
|
|
#else /* BCD */
|
|
*snr = (snr2 | (snr1 << 8));
|
|
#endif
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg2161_read_snr(struct dvb_frontend *fe, u16 *snr)
|
|
{
|
|
struct lg216x_state *state = fe->demodulator_priv;
|
|
u8 snr1, snr2;
|
|
int ret;
|
|
|
|
*snr = 0;
|
|
|
|
ret = lg216x_read_reg(state, 0x0302, &snr1);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
ret = lg216x_read_reg(state, 0x0303, &snr2);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
if ((snr1 == 0xba) || (snr2 == 0xfd))
|
|
*snr = 0;
|
|
else
|
|
|
|
*snr = ((snr1 >> 4) * 100) + ((snr1 & 0x0f) * 10) + (snr2 & 0x0f);
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int lg216x_read_signal_strength(struct dvb_frontend *fe,
|
|
u16 *strength)
|
|
{
|
|
#if 0
|
|
/* borrowed from lgdt330x.c
|
|
*
|
|
* Calculate strength from SNR up to 35dB
|
|
* Even though the SNR can go higher than 35dB,
|
|
* there is some comfort factor in having a range of
|
|
* strong signals that can show at 100%
|
|
*/
|
|
struct lg216x_state *state = fe->demodulator_priv;
|
|
u16 snr;
|
|
int ret;
|
|
#endif
|
|
*strength = 0;
|
|
#if 0
|
|
ret = fe->ops.read_snr(fe, &snr);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
/* Rather than use the 8.8 value snr, use state->snr which is 8.24 */
|
|
/* scale the range 0 - 35*2^24 into 0 - 65535 */
|
|
if (state->snr >= 8960 * 0x10000)
|
|
*strength = 0xffff;
|
|
else
|
|
*strength = state->snr / 8960;
|
|
fail:
|
|
return ret;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
static int lg216x_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
|
|
{
|
|
#if 0
|
|
struct lg216x_state *state = fe->demodulator_priv;
|
|
int ret;
|
|
|
|
ret = lg216x_read_rs_err_count(state,
|
|
&fe->dtv_property_cache.atscmh_rs_err);
|
|
if (lg_fail(ret))
|
|
goto fail;
|
|
|
|
*ucblocks = fe->dtv_property_cache.atscmh_rs_err;
|
|
fail:
|
|
#else
|
|
*ucblocks = 0;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static int lg216x_get_tune_settings(struct dvb_frontend *fe,
|
|
struct dvb_frontend_tune_settings
|
|
*fe_tune_settings)
|
|
{
|
|
fe_tune_settings->min_delay_ms = 500;
|
|
lg_dbg("\n");
|
|
return 0;
|
|
}
|
|
|
|
static void lg216x_release(struct dvb_frontend *fe)
|
|
{
|
|
struct lg216x_state *state = fe->demodulator_priv;
|
|
lg_dbg("\n");
|
|
kfree(state);
|
|
}
|
|
|
|
static struct dvb_frontend_ops lg2160_ops = {
|
|
.delsys = { SYS_ATSCMH },
|
|
.info = {
|
|
.name = "LG Electronics LG2160 ATSC/MH Frontend",
|
|
.frequency_min = 54000000,
|
|
.frequency_max = 858000000,
|
|
.frequency_stepsize = 62500,
|
|
},
|
|
.i2c_gate_ctrl = lg216x_i2c_gate_ctrl,
|
|
#if 0
|
|
.init = lg216x_init,
|
|
.sleep = lg216x_sleep,
|
|
#endif
|
|
.get_property = lg216x_get_property,
|
|
|
|
.set_frontend = lg2160_set_frontend,
|
|
.get_frontend = lg216x_get_frontend,
|
|
.get_tune_settings = lg216x_get_tune_settings,
|
|
.read_status = lg216x_read_status,
|
|
#if 0
|
|
.read_ber = lg216x_read_ber,
|
|
#endif
|
|
.read_signal_strength = lg216x_read_signal_strength,
|
|
.read_snr = lg2160_read_snr,
|
|
.read_ucblocks = lg216x_read_ucblocks,
|
|
.release = lg216x_release,
|
|
};
|
|
|
|
static struct dvb_frontend_ops lg2161_ops = {
|
|
.delsys = { SYS_ATSCMH },
|
|
.info = {
|
|
.name = "LG Electronics LG2161 ATSC/MH Frontend",
|
|
.frequency_min = 54000000,
|
|
.frequency_max = 858000000,
|
|
.frequency_stepsize = 62500,
|
|
},
|
|
.i2c_gate_ctrl = lg216x_i2c_gate_ctrl,
|
|
#if 0
|
|
.init = lg216x_init,
|
|
.sleep = lg216x_sleep,
|
|
#endif
|
|
.get_property = lg216x_get_property,
|
|
|
|
.set_frontend = lg2160_set_frontend,
|
|
.get_frontend = lg216x_get_frontend,
|
|
.get_tune_settings = lg216x_get_tune_settings,
|
|
.read_status = lg216x_read_status,
|
|
#if 0
|
|
.read_ber = lg216x_read_ber,
|
|
#endif
|
|
.read_signal_strength = lg216x_read_signal_strength,
|
|
.read_snr = lg2161_read_snr,
|
|
.read_ucblocks = lg216x_read_ucblocks,
|
|
.release = lg216x_release,
|
|
};
|
|
|
|
struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
|
|
struct i2c_adapter *i2c_adap)
|
|
{
|
|
struct lg216x_state *state = NULL;
|
|
|
|
lg_dbg("(%d-%04x)\n",
|
|
i2c_adap ? i2c_adapter_id(i2c_adap) : 0,
|
|
config ? config->i2c_addr : 0);
|
|
|
|
state = kzalloc(sizeof(struct lg216x_state), GFP_KERNEL);
|
|
if (!state)
|
|
return NULL;
|
|
|
|
state->cfg = config;
|
|
state->i2c_adap = i2c_adap;
|
|
state->fic_ver = 0xff;
|
|
state->parade_id = 0xff;
|
|
|
|
switch (config->lg_chip) {
|
|
default:
|
|
lg_warn("invalid chip requested, defaulting to LG2160");
|
|
/* fall-thru */
|
|
case LG2160:
|
|
memcpy(&state->frontend.ops, &lg2160_ops,
|
|
sizeof(struct dvb_frontend_ops));
|
|
break;
|
|
case LG2161:
|
|
memcpy(&state->frontend.ops, &lg2161_ops,
|
|
sizeof(struct dvb_frontend_ops));
|
|
break;
|
|
}
|
|
|
|
state->frontend.demodulator_priv = state;
|
|
state->current_frequency = -1;
|
|
/* parade 1 by default */
|
|
state->frontend.dtv_property_cache.atscmh_parade_id = 1;
|
|
|
|
return &state->frontend;
|
|
}
|
|
EXPORT_SYMBOL(lg2160_attach);
|
|
|
|
MODULE_DESCRIPTION("LG Electronics LG216x ATSC/MH Demodulator Driver");
|
|
MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION("0.3");
|
|
|
|
/*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|