summaryrefslogtreecommitdiff
path: root/drivers/media/dvb/frontends/mt312.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/frontends/mt312.c')
-rw-r--r--drivers/media/dvb/frontends/mt312.c839
1 files changed, 0 insertions, 839 deletions
diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c
deleted file mode 100644
index e20bf13aa860..000000000000
--- a/drivers/media/dvb/frontends/mt312.c
+++ /dev/null
@@ -1,839 +0,0 @@
-/*
- Driver for Zarlink VP310/MT312/ZL10313 Satellite Channel Decoder
-
- Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org>
- Copyright (C) 2008 Matthias Schwarzott <zzam@gentoo.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.
-
- References:
- http://products.zarlink.com/product_profiles/MT312.htm
- http://products.zarlink.com/product_profiles/SL1935.htm
-*/
-
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-
-#include "dvb_frontend.h"
-#include "mt312_priv.h"
-#include "mt312.h"
-
-
-struct mt312_state {
- struct i2c_adapter *i2c;
- /* configuration settings */
- const struct mt312_config *config;
- struct dvb_frontend frontend;
-
- u8 id;
- unsigned long xtal;
- u8 freq_mult;
-};
-
-static int debug;
-#define dprintk(args...) \
- do { \
- if (debug) \
- printk(KERN_DEBUG "mt312: " args); \
- } while (0)
-
-#define MT312_PLL_CLK 10000000UL /* 10 MHz */
-#define MT312_PLL_CLK_10_111 10111000UL /* 10.111 MHz */
-
-static int mt312_read(struct mt312_state *state, const enum mt312_reg_addr reg,
- u8 *buf, const size_t count)
-{
- int ret;
- struct i2c_msg msg[2];
- u8 regbuf[1] = { reg };
-
- msg[0].addr = state->config->demod_address;
- msg[0].flags = 0;
- msg[0].buf = regbuf;
- msg[0].len = 1;
- msg[1].addr = state->config->demod_address;
- msg[1].flags = I2C_M_RD;
- msg[1].buf = buf;
- msg[1].len = count;
-
- ret = i2c_transfer(state->i2c, msg, 2);
-
- if (ret != 2) {
- printk(KERN_DEBUG "%s: ret == %d\n", __func__, ret);
- return -EREMOTEIO;
- }
-
- if (debug) {
- int i;
- dprintk("R(%d):", reg & 0x7f);
- for (i = 0; i < count; i++)
- printk(KERN_CONT " %02x", buf[i]);
- printk("\n");
- }
-
- return 0;
-}
-
-static int mt312_write(struct mt312_state *state, const enum mt312_reg_addr reg,
- const u8 *src, const size_t count)
-{
- int ret;
- u8 buf[count + 1];
- struct i2c_msg msg;
-
- if (debug) {
- int i;
- dprintk("W(%d):", reg & 0x7f);
- for (i = 0; i < count; i++)
- printk(KERN_CONT " %02x", src[i]);
- printk("\n");
- }
-
- buf[0] = reg;
- memcpy(&buf[1], src, count);
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.buf = buf;
- msg.len = count + 1;
-
- ret = i2c_transfer(state->i2c, &msg, 1);
-
- if (ret != 1) {
- dprintk("%s: ret == %d\n", __func__, ret);
- return -EREMOTEIO;
- }
-
- return 0;
-}
-
-static inline int mt312_readreg(struct mt312_state *state,
- const enum mt312_reg_addr reg, u8 *val)
-{
- return mt312_read(state, reg, val, 1);
-}
-
-static inline int mt312_writereg(struct mt312_state *state,
- const enum mt312_reg_addr reg, const u8 val)
-{
- return mt312_write(state, reg, &val, 1);
-}
-
-static inline u32 mt312_div(u32 a, u32 b)
-{
- return (a + (b / 2)) / b;
-}
-
-static int mt312_reset(struct mt312_state *state, const u8 full)
-{
- return mt312_writereg(state, RESET, full ? 0x80 : 0x40);
-}
-
-static int mt312_get_inversion(struct mt312_state *state,
- fe_spectral_inversion_t *i)
-{
- int ret;
- u8 vit_mode;
-
- ret = mt312_readreg(state, VIT_MODE, &vit_mode);
- if (ret < 0)
- return ret;
-
- if (vit_mode & 0x80) /* auto inversion was used */
- *i = (vit_mode & 0x40) ? INVERSION_ON : INVERSION_OFF;
-
- return 0;
-}
-
-static int mt312_get_symbol_rate(struct mt312_state *state, u32 *sr)
-{
- int ret;
- u8 sym_rate_h;
- u8 dec_ratio;
- u16 sym_rat_op;
- u16 monitor;
- u8 buf[2];
-
- ret = mt312_readreg(state, SYM_RATE_H, &sym_rate_h);
- if (ret < 0)
- return ret;
-
- if (sym_rate_h & 0x80) {
- /* symbol rate search was used */
- ret = mt312_writereg(state, MON_CTRL, 0x03);
- if (ret < 0)
- return ret;
-
- ret = mt312_read(state, MONITOR_H, buf, sizeof(buf));
- if (ret < 0)
- return ret;
-
- monitor = (buf[0] << 8) | buf[1];
-
- dprintk("sr(auto) = %u\n",
- mt312_div(monitor * 15625, 4));
- } else {
- ret = mt312_writereg(state, MON_CTRL, 0x05);
- if (ret < 0)
- return ret;
-
- ret = mt312_read(state, MONITOR_H, buf, sizeof(buf));
- if (ret < 0)
- return ret;
-
- dec_ratio = ((buf[0] >> 5) & 0x07) * 32;
-
- ret = mt312_read(state, SYM_RAT_OP_H, buf, sizeof(buf));
- if (ret < 0)
- return ret;
-
- sym_rat_op = (buf[0] << 8) | buf[1];
-
- dprintk("sym_rat_op=%d dec_ratio=%d\n",
- sym_rat_op, dec_ratio);
- dprintk("*sr(manual) = %lu\n",
- (((state->xtal * 8192) / (sym_rat_op + 8192)) *
- 2) - dec_ratio);
- }
-
- return 0;
-}
-
-static int mt312_get_code_rate(struct mt312_state *state, fe_code_rate_t *cr)
-{
- const fe_code_rate_t fec_tab[8] =
- { FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_6_7, FEC_7_8,
- FEC_AUTO, FEC_AUTO };
-
- int ret;
- u8 fec_status;
-
- ret = mt312_readreg(state, FEC_STATUS, &fec_status);
- if (ret < 0)
- return ret;
-
- *cr = fec_tab[(fec_status >> 4) & 0x07];
-
- return 0;
-}
-
-static int mt312_initfe(struct dvb_frontend *fe)
-{
- struct mt312_state *state = fe->demodulator_priv;
- int ret;
- u8 buf[2];
-
- /* wake up */
- ret = mt312_writereg(state, CONFIG,
- (state->freq_mult == 6 ? 0x88 : 0x8c));
- if (ret < 0)
- return ret;
-
- /* wait at least 150 usec */
- udelay(150);
-
- /* full reset */
- ret = mt312_reset(state, 1);
- if (ret < 0)
- return ret;
-
-/* Per datasheet, write correct values. 09/28/03 ACCJr.
- * If we don't do this, we won't get FE_HAS_VITERBI in the VP310. */
- {
- u8 buf_def[8] = { 0x14, 0x12, 0x03, 0x02,
- 0x01, 0x00, 0x00, 0x00 };
-
- ret = mt312_write(state, VIT_SETUP, buf_def, sizeof(buf_def));
- if (ret < 0)
- return ret;
- }
-
- switch (state->id) {
- case ID_ZL10313:
- /* enable ADC */
- ret = mt312_writereg(state, GPP_CTRL, 0x80);
- if (ret < 0)
- return ret;
-
- /* configure ZL10313 for optimal ADC performance */
- buf[0] = 0x80;
- buf[1] = 0xB0;
- ret = mt312_write(state, HW_CTRL, buf, 2);
- if (ret < 0)
- return ret;
-
- /* enable MPEG output and ADCs */
- ret = mt312_writereg(state, HW_CTRL, 0x00);
- if (ret < 0)
- return ret;
-
- ret = mt312_writereg(state, MPEG_CTRL, 0x00);
- if (ret < 0)
- return ret;
-
- break;
- }
-
- /* SYS_CLK */
- buf[0] = mt312_div(state->xtal * state->freq_mult * 2, 1000000);
-
- /* DISEQC_RATIO */
- buf[1] = mt312_div(state->xtal, 22000 * 4);
-
- ret = mt312_write(state, SYS_CLK, buf, sizeof(buf));
- if (ret < 0)
- return ret;
-
- ret = mt312_writereg(state, SNR_THS_HIGH, 0x32);
- if (ret < 0)
- return ret;
-
- /* different MOCLK polarity */
- switch (state->id) {
- case ID_ZL10313:
- buf[0] = 0x33;
- break;
- default:
- buf[0] = 0x53;
- break;
- }
-
- ret = mt312_writereg(state, OP_CTRL, buf[0]);
- if (ret < 0)
- return ret;
-
- /* TS_SW_LIM */
- buf[0] = 0x8c;
- buf[1] = 0x98;
-
- ret = mt312_write(state, TS_SW_LIM_L, buf, sizeof(buf));
- if (ret < 0)
- return ret;
-
- ret = mt312_writereg(state, CS_SW_LIM, 0x69);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int mt312_send_master_cmd(struct dvb_frontend *fe,
- struct dvb_diseqc_master_cmd *c)
-{
- struct mt312_state *state = fe->demodulator_priv;
- int ret;
- u8 diseqc_mode;
-
- if ((c->msg_len == 0) || (c->msg_len > sizeof(c->msg)))
- return -EINVAL;
-
- ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode);
- if (ret < 0)
- return ret;
-
- ret = mt312_write(state, (0x80 | DISEQC_INSTR), c->msg, c->msg_len);
- if (ret < 0)
- return ret;
-
- ret = mt312_writereg(state, DISEQC_MODE,
- (diseqc_mode & 0x40) | ((c->msg_len - 1) << 3)
- | 0x04);
- if (ret < 0)
- return ret;
-
- /* is there a better way to wait for message to be transmitted */
- msleep(100);
-
- /* set DISEQC_MODE[2:0] to zero if a return message is expected */
- if (c->msg[0] & 0x02) {
- ret = mt312_writereg(state, DISEQC_MODE, (diseqc_mode & 0x40));
- if (ret < 0)
- return ret;
- }
-
- return 0;
-}
-
-static int mt312_send_burst(struct dvb_frontend *fe, const fe_sec_mini_cmd_t c)
-{
- struct mt312_state *state = fe->demodulator_priv;
- const u8 mini_tab[2] = { 0x02, 0x03 };
-
- int ret;
- u8 diseqc_mode;
-
- if (c > SEC_MINI_B)
- return -EINVAL;
-
- ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode);
- if (ret < 0)
- return ret;
-
- ret = mt312_writereg(state, DISEQC_MODE,
- (diseqc_mode & 0x40) | mini_tab[c]);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int mt312_set_tone(struct dvb_frontend *fe, const fe_sec_tone_mode_t t)
-{
- struct mt312_state *state = fe->demodulator_priv;
- const u8 tone_tab[2] = { 0x01, 0x00 };
-
- int ret;
- u8 diseqc_mode;
-
- if (t > SEC_TONE_OFF)
- return -EINVAL;
-
- ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode);
- if (ret < 0)
- return ret;
-
- ret = mt312_writereg(state, DISEQC_MODE,
- (diseqc_mode & 0x40) | tone_tab[t]);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int mt312_set_voltage(struct dvb_frontend *fe, const fe_sec_voltage_t v)
-{
- struct mt312_state *state = fe->demodulator_priv;
- const u8 volt_tab[3] = { 0x00, 0x40, 0x00 };
- u8 val;
-
- if (v > SEC_VOLTAGE_OFF)
- return -EINVAL;
-
- val = volt_tab[v];
- if (state->config->voltage_inverted)
- val ^= 0x40;
-
- return mt312_writereg(state, DISEQC_MODE, val);
-}
-
-static int mt312_read_status(struct dvb_frontend *fe, fe_status_t *s)
-{
- struct mt312_state *state = fe->demodulator_priv;
- int ret;
- u8 status[3];
-
- *s = 0;
-
- ret = mt312_read(state, QPSK_STAT_H, status, sizeof(status));
- if (ret < 0)
- return ret;
-
- dprintk("QPSK_STAT_H: 0x%02x, QPSK_STAT_L: 0x%02x,"
- " FEC_STATUS: 0x%02x\n", status[0], status[1], status[2]);
-
- if (status[0] & 0xc0)
- *s |= FE_HAS_SIGNAL; /* signal noise ratio */
- if (status[0] & 0x04)
- *s |= FE_HAS_CARRIER; /* qpsk carrier lock */
- if (status[2] & 0x02)
- *s |= FE_HAS_VITERBI; /* viterbi lock */
- if (status[2] & 0x04)
- *s |= FE_HAS_SYNC; /* byte align lock */
- if (status[0] & 0x01)
- *s |= FE_HAS_LOCK; /* qpsk lock */
-
- return 0;
-}
-
-static int mt312_read_ber(struct dvb_frontend *fe, u32 *ber)
-{
- struct mt312_state *state = fe->demodulator_priv;
- int ret;
- u8 buf[3];
-
- ret = mt312_read(state, RS_BERCNT_H, buf, 3);
- if (ret < 0)
- return ret;
-
- *ber = ((buf[0] << 16) | (buf[1] << 8) | buf[2]) * 64;
-
- return 0;
-}
-
-static int mt312_read_signal_strength(struct dvb_frontend *fe,
- u16 *signal_strength)
-{
- struct mt312_state *state = fe->demodulator_priv;
- int ret;
- u8 buf[3];
- u16 agc;
- s16 err_db;
-
- ret = mt312_read(state, AGC_H, buf, sizeof(buf));
- if (ret < 0)
- return ret;
-
- agc = (buf[0] << 6) | (buf[1] >> 2);
- err_db = (s16) (((buf[1] & 0x03) << 14) | buf[2] << 6) >> 6;
-
- *signal_strength = agc;
-
- dprintk("agc=%08x err_db=%hd\n", agc, err_db);
-
- return 0;
-}
-
-static int mt312_read_snr(struct dvb_frontend *fe, u16 *snr)
-{
- struct mt312_state *state = fe->demodulator_priv;
- int ret;
- u8 buf[2];
-
- ret = mt312_read(state, M_SNR_H, buf, sizeof(buf));
- if (ret < 0)
- return ret;
-
- *snr = 0xFFFF - ((((buf[0] & 0x7f) << 8) | buf[1]) << 1);
-
- return 0;
-}
-
-static int mt312_read_ucblocks(struct dvb_frontend *fe, u32 *ubc)
-{
- struct mt312_state *state = fe->demodulator_priv;
- int ret;
- u8 buf[2];
-
- ret = mt312_read(state, RS_UBC_H, buf, sizeof(buf));
- if (ret < 0)
- return ret;
-
- *ubc = (buf[0] << 8) | buf[1];
-
- return 0;
-}
-
-static int mt312_set_frontend(struct dvb_frontend *fe)
-{
- struct dtv_frontend_properties *p = &fe->dtv_property_cache;
- struct mt312_state *state = fe->demodulator_priv;
- int ret;
- u8 buf[5], config_val;
- u16 sr;
-
- const u8 fec_tab[10] =
- { 0x00, 0x01, 0x02, 0x04, 0x3f, 0x08, 0x10, 0x20, 0x3f, 0x3f };
- const u8 inv_tab[3] = { 0x00, 0x40, 0x80 };
-
- dprintk("%s: Freq %d\n", __func__, p->frequency);
-
- if ((p->frequency < fe->ops.info.frequency_min)
- || (p->frequency > fe->ops.info.frequency_max))
- return -EINVAL;
-
- if ((p->inversion < INVERSION_OFF)
- || (p->inversion > INVERSION_ON))
- return -EINVAL;
-
- if ((p->symbol_rate < fe->ops.info.symbol_rate_min)
- || (p->symbol_rate > fe->ops.info.symbol_rate_max))
- return -EINVAL;
-
- if ((p->fec_inner < FEC_NONE)
- || (p->fec_inner > FEC_AUTO))
- return -EINVAL;
-
- if ((p->fec_inner == FEC_4_5)
- || (p->fec_inner == FEC_8_9))
- return -EINVAL;
-
- switch (state->id) {
- case ID_VP310:
- /* For now we will do this only for the VP310.
- * It should be better for the mt312 as well,
- * but tuning will be slower. ACCJr 09/29/03
- */
- ret = mt312_readreg(state, CONFIG, &config_val);
- if (ret < 0)
- return ret;
- if (p->symbol_rate >= 30000000) {
- /* Note that 30MS/s should use 90MHz */
- if (state->freq_mult == 6) {
- /* We are running 60MHz */
- state->freq_mult = 9;
- ret = mt312_initfe(fe);
- if (ret < 0)
- return ret;
- }
- } else {
- if (state->freq_mult == 9) {
- /* We are running 90MHz */
- state->freq_mult = 6;
- ret = mt312_initfe(fe);
- if (ret < 0)
- return ret;
- }
- }
- break;
-
- case ID_MT312:
- case ID_ZL10313:
- break;
-
- default:
- return -EINVAL;
- }
-
- if (fe->ops.tuner_ops.set_params) {
- fe->ops.tuner_ops.set_params(fe);
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
- }
-
- /* sr = (u16)(sr * 256.0 / 1000000.0) */
- sr = mt312_div(p->symbol_rate * 4, 15625);
-
- /* SYM_RATE */
- buf[0] = (sr >> 8) & 0x3f;
- buf[1] = (sr >> 0) & 0xff;
-
- /* VIT_MODE */
- buf[2] = inv_tab[p->inversion] | fec_tab[p->fec_inner];
-
- /* QPSK_CTRL */
- buf[3] = 0x40; /* swap I and Q before QPSK demodulation */
-
- if (p->symbol_rate < 10000000)
- buf[3] |= 0x04; /* use afc mode */
-
- /* GO */
- buf[4] = 0x01;
-
- ret = mt312_write(state, SYM_RATE_H, buf, sizeof(buf));
- if (ret < 0)
- return ret;
-
- mt312_reset(state, 0);
-
- return 0;
-}
-
-static int mt312_get_frontend(struct dvb_frontend *fe)
-{
- struct dtv_frontend_properties *p = &fe->dtv_property_cache;
- struct mt312_state *state = fe->demodulator_priv;
- int ret;
-
- ret = mt312_get_inversion(state, &p->inversion);
- if (ret < 0)
- return ret;
-
- ret = mt312_get_symbol_rate(state, &p->symbol_rate);
- if (ret < 0)
- return ret;
-
- ret = mt312_get_code_rate(state, &p->fec_inner);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int mt312_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
-{
- struct mt312_state *state = fe->demodulator_priv;
-
- u8 val = 0x00;
- int ret;
-
- switch (state->id) {
- case ID_ZL10313:
- ret = mt312_readreg(state, GPP_CTRL, &val);
- if (ret < 0)
- goto error;
-
- /* preserve this bit to not accidentally shutdown ADC */
- val &= 0x80;
- break;
- }
-
- if (enable)
- val |= 0x40;
- else
- val &= ~0x40;
-
- ret = mt312_writereg(state, GPP_CTRL, val);
-
-error:
- return ret;
-}
-
-static int mt312_sleep(struct dvb_frontend *fe)
-{
- struct mt312_state *state = fe->demodulator_priv;
- int ret;
- u8 config;
-
- /* reset all registers to defaults */
- ret = mt312_reset(state, 1);
- if (ret < 0)
- return ret;
-
- if (state->id == ID_ZL10313) {
- /* reset ADC */
- ret = mt312_writereg(state, GPP_CTRL, 0x00);
- if (ret < 0)
- return ret;
-
- /* full shutdown of ADCs, mpeg bus tristated */
- ret = mt312_writereg(state, HW_CTRL, 0x0d);
- if (ret < 0)
- return ret;
- }
-
- ret = mt312_readreg(state, CONFIG, &config);
- if (ret < 0)
- return ret;
-
- /* enter standby */
- ret = mt312_writereg(state, CONFIG, config & 0x7f);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int mt312_get_tune_settings(struct dvb_frontend *fe,
- struct dvb_frontend_tune_settings *fesettings)
-{
- fesettings->min_delay_ms = 50;
- fesettings->step_size = 0;
- fesettings->max_drift = 0;
- return 0;
-}
-
-static void mt312_release(struct dvb_frontend *fe)
-{
- struct mt312_state *state = fe->demodulator_priv;
- kfree(state);
-}
-
-#define MT312_SYS_CLK 90000000UL /* 90 MHz */
-static struct dvb_frontend_ops mt312_ops = {
- .delsys = { SYS_DVBS },
- .info = {
- .name = "Zarlink ???? DVB-S",
- .frequency_min = 950000,
- .frequency_max = 2150000,
- /* FIXME: adjust freq to real used xtal */
- .frequency_stepsize = (MT312_PLL_CLK / 1000) / 128,
- .symbol_rate_min = MT312_SYS_CLK / 128, /* FIXME as above */
- .symbol_rate_max = MT312_SYS_CLK / 2,
- .caps =
- FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
- FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
- FE_CAN_FEC_AUTO | FE_CAN_QPSK | FE_CAN_MUTE_TS |
- FE_CAN_RECOVER
- },
-
- .release = mt312_release,
-
- .init = mt312_initfe,
- .sleep = mt312_sleep,
- .i2c_gate_ctrl = mt312_i2c_gate_ctrl,
-
- .set_frontend = mt312_set_frontend,
- .get_frontend = mt312_get_frontend,
- .get_tune_settings = mt312_get_tune_settings,
-
- .read_status = mt312_read_status,
- .read_ber = mt312_read_ber,
- .read_signal_strength = mt312_read_signal_strength,
- .read_snr = mt312_read_snr,
- .read_ucblocks = mt312_read_ucblocks,
-
- .diseqc_send_master_cmd = mt312_send_master_cmd,
- .diseqc_send_burst = mt312_send_burst,
- .set_tone = mt312_set_tone,
- .set_voltage = mt312_set_voltage,
-};
-
-struct dvb_frontend *mt312_attach(const struct mt312_config *config,
- struct i2c_adapter *i2c)
-{
- struct mt312_state *state = NULL;
-
- /* allocate memory for the internal state */
- state = kzalloc(sizeof(struct mt312_state), GFP_KERNEL);
- if (state == NULL)
- goto error;
-
- /* setup the state */
- state->config = config;
- state->i2c = i2c;
-
- /* check if the demod is there */
- if (mt312_readreg(state, ID, &state->id) < 0)
- goto error;
-
- /* create dvb_frontend */
- memcpy(&state->frontend.ops, &mt312_ops,
- sizeof(struct dvb_frontend_ops));
- state->frontend.demodulator_priv = state;
-
- switch (state->id) {
- case ID_VP310:
- strcpy(state->frontend.ops.info.name, "Zarlink VP310 DVB-S");
- state->xtal = MT312_PLL_CLK;
- state->freq_mult = 9;
- break;
- case ID_MT312:
- strcpy(state->frontend.ops.info.name, "Zarlink MT312 DVB-S");
- state->xtal = MT312_PLL_CLK;
- state->freq_mult = 6;
- break;
- case ID_ZL10313:
- strcpy(state->frontend.ops.info.name, "Zarlink ZL10313 DVB-S");
- state->xtal = MT312_PLL_CLK_10_111;
- state->freq_mult = 9;
- break;
- default:
- printk(KERN_WARNING "Only Zarlink VP310/MT312/ZL10313"
- " are supported chips.\n");
- goto error;
- }
-
- return &state->frontend;
-
-error:
- kfree(state);
- return NULL;
-}
-EXPORT_SYMBOL(mt312_attach);
-
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
-
-MODULE_DESCRIPTION("Zarlink VP310/MT312/ZL10313 DVB-S Demodulator driver");
-MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
-MODULE_AUTHOR("Matthias Schwarzott <zzam@gentoo.org>");
-MODULE_LICENSE("GPL");
-