/*
- Driver for Zarlink MT312 Satellite Channel Decoder
+ Driver for Zarlink VP310/MT312 Satellite Channel Decoder
Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include "dvb_frontend.h"
+#include "mt312_priv.h"
#include "mt312.h"
-#define I2C_ADDR_MT312 0x0e
-#define I2C_ADDR_SL1935 0x61
-#define I2C_ADDR_TSA5059 0x61
-#define MT312_DEBUG 0
+struct mt312_state {
+
+ struct i2c_adapter* i2c;
+
+ struct dvb_frontend_ops ops;
+
+ /* configuration settings */
+ const struct mt312_config* config;
+
+ struct dvb_frontend frontend;
+
+ u8 id;
+ u8 frequency;
+};
+
+static int debug;
+#define dprintk(args...) \
+ do { \
+ if (debug) printk(KERN_DEBUG "mt312: " args); \
+ } while (0)
#define MT312_SYS_CLK 90000000UL /* 90 MHz */
#define MT312_LPOWER_SYS_CLK 60000000UL /* 60 MHz */
#define MT312_PLL_CLK 10000000UL /* 10 MHz */
-/* number of active frontends */
-static int mt312_count = 0;
-
-#if MT312_DEBUG == 0
-#define dprintk(x...)
-#else
-static int debug = 0;
-#define dprintk if(debug == 1) printk
-#endif
-
-static struct dvb_frontend_info mt312_info = {
- .name = "Zarlink MT312",
- .type = FE_QPSK,
- .frequency_min = 950000,
- .frequency_max = 2150000,
- .frequency_stepsize = (MT312_PLL_CLK / 1000) / 128,
- /*.frequency_tolerance = 29500, FIXME: binary compatibility waste? */
- .symbol_rate_min = MT312_SYS_CLK / 128,
- .symbol_rate_max = MT312_SYS_CLK / 2,
- /*.symbol_rate_tolerance = 500, FIXME: binary compatibility waste? 2% */
- .notifier_delay = 0,
- .caps =
- FE_CAN_INVERSION_AUTO | 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
-};
-
-static int mt312_read(struct dvb_i2c_bus *i2c,
- const enum mt312_reg_addr reg, void *buf,
- const size_t count)
+static int mt312_read(struct mt312_state* state, const enum mt312_reg_addr reg,
+ void *buf, const size_t count)
{
int ret;
struct i2c_msg msg[2];
u8 regbuf[1] = { reg };
- msg[0].addr = I2C_ADDR_MT312;
+ msg[0].addr = state->config->demod_address;
msg[0].flags = 0;
msg[0].buf = regbuf;
msg[0].len = 1;
- msg[1].addr = I2C_ADDR_MT312;
+ msg[1].addr = state->config->demod_address;
msg[1].flags = I2C_M_RD;
msg[1].buf = buf;
msg[1].len = count;
- ret = i2c->xfer(i2c, msg, 2);
+ ret = i2c_transfer(state->i2c, msg, 2);
- if ((ret != 2) && (mt312_count != 0)) {
+ if (ret != 2) {
printk(KERN_ERR "%s: ret == %d\n", __FUNCTION__, ret);
return -EREMOTEIO;
}
-#if MT312_DEBUG
+
if(debug) {
int i;
- printk(KERN_INFO "R(%d):", reg & 0x7f);
+ dprintk("R(%d):", reg & 0x7f);
for (i = 0; i < count; i++)
printk(" %02x", ((const u8 *) buf)[i]);
printk("\n");
}
-#endif
return 0;
}
-static int mt312_write(struct dvb_i2c_bus *i2c,
- const enum mt312_reg_addr reg, const void *src,
- const size_t count)
+static int mt312_write(struct mt312_state* state, const enum mt312_reg_addr reg,
+ const void *src, const size_t count)
{
int ret;
u8 buf[count + 1];
struct i2c_msg msg;
-#if MT312_DEBUG
if(debug) {
int i;
- printk(KERN_INFO "W(%d):", reg & 0x7f);
+ dprintk("W(%d):", reg & 0x7f);
for (i = 0; i < count; i++)
printk(" %02x", ((const u8 *) src)[i]);
printk("\n");
}
-#endif
buf[0] = reg;
memcpy(&buf[1], src, count);
- msg.addr = I2C_ADDR_MT312;
+ msg.addr = state->config->demod_address;
msg.flags = 0;
msg.buf = buf;
msg.len = count + 1;
- ret = i2c->xfer(i2c, &msg, 1);
+ ret = i2c_transfer(state->i2c, &msg, 1);
if (ret != 1) {
- printk(KERN_ERR "%s: ret == %d\n", __FUNCTION__, ret);
+ dprintk("%s: ret == %d\n", __FUNCTION__, ret);
return -EREMOTEIO;
}
return 0;
}
-static inline int mt312_readreg(struct dvb_i2c_bus *i2c,
+static inline int mt312_readreg(struct mt312_state* state,
const enum mt312_reg_addr reg, u8 * val)
{
- return mt312_read(i2c, reg, val, 1);
+ return mt312_read(state, reg, val, 1);
}
-static inline int mt312_writereg(struct dvb_i2c_bus *i2c,
+static inline int mt312_writereg(struct mt312_state* state,
const enum mt312_reg_addr reg, const u8 val)
{
- return mt312_write(i2c, reg, &val, 1);
+ return mt312_write(state, reg, &val, 1);
}
-static int mt312_pll_write(struct dvb_i2c_bus *i2c, const u8 addr,
- u8 * buf, const u8 len)
+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;
- struct i2c_msg msg;
+ u8 vit_mode;
- msg.addr = addr;
- msg.flags = 0;
- msg.buf = buf;
- msg.len = len;
+ if ((ret = mt312_readreg(state, VIT_MODE, &vit_mode)) < 0)
+ return ret;
- if ((ret = mt312_writereg(i2c, GPP_CTRL, 0x40)) < 0)
+ 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];
+
+ if ((ret = mt312_readreg(state, SYM_RATE_H, &sym_rate_h)) < 0)
return ret;
- if ((ret = i2c->xfer(i2c, &msg, 1)) != 1)
- printk(KERN_ERR "%s: i/o error (ret == %d)\n", __FUNCTION__, ret);
+ if (sym_rate_h & 0x80) { /* symbol rate search was used */
+ if ((ret = mt312_writereg(state, MON_CTRL, 0x03)) < 0)
+ return ret;
- if ((ret = mt312_writereg(i2c, GPP_CTRL, 0x00)) < 0)
+ if ((ret = mt312_read(state, MONITOR_H, buf, sizeof(buf))) < 0)
return ret;
- return 0;
+ monitor = (buf[0] << 8) | buf[1];
+
+ dprintk(KERN_DEBUG "sr(auto) = %u\n",
+ mt312_div(monitor * 15625, 4));
+ } else {
+ if ((ret = mt312_writereg(state, MON_CTRL, 0x05)) < 0)
+ return ret;
+
+ if ((ret = mt312_read(state, MONITOR_H, buf, sizeof(buf))) < 0)
+ return ret;
+
+ dec_ratio = ((buf[0] >> 5) & 0x07) * 32;
+
+ if ((ret = mt312_read(state, SYM_RAT_OP_H, buf, sizeof(buf))) < 0)
+ return ret;
+
+ sym_rat_op = (buf[0] << 8) | buf[1];
+
+ dprintk(KERN_DEBUG "sym_rat_op=%d dec_ratio=%d\n",
+ sym_rat_op, dec_ratio);
+ dprintk(KERN_DEBUG "*sr(manual) = %lu\n",
+ (((MT312_PLL_CLK * 8192) / (sym_rat_op + 8192)) *
+ 2) - dec_ratio);
}
-static inline u32 mt312_div(u32 a, u32 b)
-{
- return (a + (b / 2)) / b;
+ return 0;
}
-static int sl1935_set_tv_freq(struct dvb_i2c_bus *i2c, u32 freq, u32 sr)
+static int mt312_get_code_rate(struct mt312_state* state, fe_code_rate_t *cr)
{
- /* 155 uA, Baseband Path B */
- u8 buf[4] = { 0x00, 0x00, 0x80, 0x00 };
-
- u8 exp;
- u32 ref;
- u32 div;
-
- if (sr < 10000000) { /* 1-10 MSym/s: ratio 2 ^ 3 */
- exp = 3;
- buf[2] |= 0x40; /* 690 uA */
- } else if (sr < 15000000) { /* 10-15 MSym/s: ratio 2 ^ 4 */
- exp = 4;
- buf[2] |= 0x20; /* 330 uA */
- } else { /* 15-45 MSym/s: ratio 2 ^ 7 */
- exp = 7;
- buf[3] |= 0x08; /* Baseband Path A */
+ 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;
+
+ if ((ret = mt312_readreg(state, FEC_STATUS, &fec_status)) < 0)
+ return ret;
+
+ *cr = fec_tab[(fec_status >> 4) & 0x07];
+
+ return 0;
}
- div = mt312_div(MT312_PLL_CLK, 1 << exp);
- ref = mt312_div(freq * 1000, div);
- mt312_info.frequency_stepsize = mt312_div(div, 1000);
- buf[0] = (ref >> 8) & 0x7f;
- buf[1] = (ref >> 0) & 0xff;
- buf[2] |= (exp - 1);
- if (freq < 1550000)
- buf[3] |= 0x10;
- dprintk(KERN_INFO "synth dword = %02x%02x%02x%02x\n", buf[0],
- buf[1], buf[2], buf[3]);
- return mt312_pll_write(i2c, I2C_ADDR_SL1935, buf, sizeof(buf));
-}
-static int tsa5059_set_tv_freq(struct dvb_i2c_bus *i2c, u32 freq, u32 sr)
-{
- u8 buf[4];
- u32 ref = mt312_div(freq, 125);
- buf[0] = (ref >> 8) & 0x7f;
- buf[1] = (ref >> 0) & 0xff;
- buf[2] = 0x84 | ((ref >> 10) & 0x60);
- buf[3] = 0x80;
- if (freq < 1550000)
- buf[3] |= 0x02;
- dprintk(KERN_INFO "synth dword = %02x%02x%02x%02x\n", buf[0],
- buf[1], buf[2], buf[3]);
- return mt312_pll_write(i2c, I2C_ADDR_TSA5059, buf, sizeof(buf));
-}
-static int mt312_reset(struct dvb_i2c_bus *i2c, const u8 full)
-{
- return mt312_writereg(i2c, RESET, full ? 0x80 : 0x40);
-}
-static int mt312_init(struct dvb_i2c_bus *i2c, const long id, u8 pll)
+
+
+static int mt312_initfe(struct dvb_frontend* fe)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
int ret;
u8 buf[2];
/* wake up */
- if ((ret = mt312_writereg(i2c, CONFIG, (pll == 60 ? 0x88 : 0x8c))) < 0)
+ if ((ret = mt312_writereg(state, CONFIG, (state->frequency == 60 ? 0x88 : 0x8c))) < 0)
return ret;
/* wait at least 150 usec */
udelay(150);
/* full reset */
- if ((ret = mt312_reset(i2c, 1)) < 0)
+ if ((ret = mt312_reset(state, 1)) < 0)
return ret;
// Per datasheet, write correct values. 09/28/03 ACCJr.
{
u8 buf_def[8]={0x14, 0x12, 0x03, 0x02, 0x01, 0x00, 0x00, 0x00};
- if ((ret = mt312_write(i2c, VIT_SETUP, buf_def, sizeof(buf_def))) < 0)
+ if ((ret = mt312_write(state, VIT_SETUP, buf_def, sizeof(buf_def))) < 0)
return ret;
}
/* SYS_CLK */
- buf[0] = mt312_div((pll == 60 ? MT312_LPOWER_SYS_CLK : MT312_SYS_CLK) * 2, 1000000);
+ buf[0] = mt312_div((state->frequency == 60 ? MT312_LPOWER_SYS_CLK : MT312_SYS_CLK) * 2, 1000000);
/* DISEQC_RATIO */
buf[1] = mt312_div(MT312_PLL_CLK, 15000 * 4);
- if ((ret = mt312_write(i2c, SYS_CLK, buf, sizeof(buf))) < 0)
+ if ((ret = mt312_write(state, SYS_CLK, buf, sizeof(buf))) < 0)
return ret;
- if ((ret = mt312_writereg(i2c, SNR_THS_HIGH, 0x32)) < 0)
+ if ((ret = mt312_writereg(state, SNR_THS_HIGH, 0x32)) < 0)
return ret;
- if ((ret = mt312_writereg(i2c, OP_CTRL, 0x53)) < 0)
+ if ((ret = mt312_writereg(state, OP_CTRL, 0x53)) < 0)
return ret;
/* TS_SW_LIM */
buf[0] = 0x8c;
buf[1] = 0x98;
- if ((ret = mt312_write(i2c, TS_SW_LIM_L, buf, sizeof(buf))) < 0)
+ if ((ret = mt312_write(state, TS_SW_LIM_L, buf, sizeof(buf))) < 0)
return ret;
- if ((ret = mt312_writereg(i2c, CS_SW_LIM, 0x69)) < 0)
+ if ((ret = mt312_writereg(state, CS_SW_LIM, 0x69)) < 0)
return ret;
+ if (state->config->pll_init) {
+ mt312_writereg(state, GPP_CTRL, 0x40);
+ state->config->pll_init(fe);
+ mt312_writereg(state, GPP_CTRL, 0x00);
+ }
+
return 0;
}
-static int mt312_send_master_cmd(struct dvb_i2c_bus *i2c,
- const struct dvb_diseqc_master_cmd *c)
+static int mt312_send_master_cmd(struct dvb_frontend* fe,
+ struct dvb_diseqc_master_cmd *c)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
int ret;
u8 diseqc_mode;
if ((c->msg_len == 0) || (c->msg_len > sizeof(c->msg)))
return -EINVAL;
- if ((ret = mt312_readreg(i2c, DISEQC_MODE, &diseqc_mode)) < 0)
+ if ((ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode)) < 0)
return ret;
if ((ret =
- mt312_write(i2c, (0x80 | DISEQC_INSTR), c->msg, c->msg_len)) < 0)
+ mt312_write(state, (0x80 | DISEQC_INSTR), c->msg, c->msg_len)) < 0)
return ret;
if ((ret =
- mt312_writereg(i2c, DISEQC_MODE,
+ mt312_writereg(state, DISEQC_MODE,
(diseqc_mode & 0x40) | ((c->msg_len - 1) << 3)
| 0x04)) < 0)
return ret;
/* set DISEQC_MODE[2:0] to zero if a return message is expected */
if (c->msg[0] & 0x02)
if ((ret =
- mt312_writereg(i2c, DISEQC_MODE, (diseqc_mode & 0x40))) < 0)
+ mt312_writereg(state, DISEQC_MODE, (diseqc_mode & 0x40))) < 0)
return ret;
return 0;
}
-static int mt312_recv_slave_reply(struct dvb_i2c_bus *i2c,
- struct dvb_diseqc_slave_reply *r)
-{
- /* TODO */
- return -EOPNOTSUPP;
-}
-
-static int mt312_send_burst(struct dvb_i2c_bus *i2c, const fe_sec_mini_cmd_t c)
+static int mt312_send_burst(struct dvb_frontend* fe, const fe_sec_mini_cmd_t c)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
const u8 mini_tab[2] = { 0x02, 0x03 };
int ret;
if (c > SEC_MINI_B)
return -EINVAL;
- if ((ret = mt312_readreg(i2c, DISEQC_MODE, &diseqc_mode)) < 0)
+ if ((ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode)) < 0)
return ret;
if ((ret =
- mt312_writereg(i2c, DISEQC_MODE,
+ mt312_writereg(state, DISEQC_MODE,
(diseqc_mode & 0x40) | mini_tab[c])) < 0)
return ret;
return 0;
}
-static int mt312_set_tone(struct dvb_i2c_bus *i2c, const fe_sec_tone_mode_t t)
+static int mt312_set_tone(struct dvb_frontend* fe, const fe_sec_tone_mode_t t)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
const u8 tone_tab[2] = { 0x01, 0x00 };
int ret;
if (t > SEC_TONE_OFF)
return -EINVAL;
- if ((ret = mt312_readreg(i2c, DISEQC_MODE, &diseqc_mode)) < 0)
+ if ((ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode)) < 0)
return ret;
if ((ret =
- mt312_writereg(i2c, DISEQC_MODE,
+ mt312_writereg(state, DISEQC_MODE,
(diseqc_mode & 0x40) | tone_tab[t])) < 0)
return ret;
return 0;
}
-static int mt312_set_voltage(struct dvb_i2c_bus *i2c, const fe_sec_voltage_t v)
+static int mt312_set_voltage(struct dvb_frontend* fe, const fe_sec_voltage_t v)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
const u8 volt_tab[3] = { 0x00, 0x40, 0x00 };
if (v > SEC_VOLTAGE_OFF)
return -EINVAL;
- return mt312_writereg(i2c, DISEQC_MODE, volt_tab[v]);
+ return mt312_writereg(state, DISEQC_MODE, volt_tab[v]);
}
-static int mt312_read_status(struct dvb_i2c_bus *i2c, fe_status_t *s, const long id)
+static int mt312_read_status(struct dvb_frontend* fe, fe_status_t *s)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
int ret;
- u8 status[3], vit_mode;
+ u8 status[3];
*s = 0;
- if ((ret = mt312_read(i2c, QPSK_STAT_H, status, sizeof(status))) < 0)
+ if ((ret = mt312_read(state, QPSK_STAT_H, status, sizeof(status))) < 0)
return ret;
dprintk(KERN_DEBUG "QPSK_STAT_H: 0x%02x, QPSK_STAT_L: 0x%02x, FEC_STATUS: 0x%02x\n", status[0], status[1], status[2]);
*s |= FE_HAS_SYNC; /* byte align lock */
if (status[0] & 0x01)
*s |= FE_HAS_LOCK; /* qpsk lock */
- // VP310 doesn't have AUTO, so we "implement it here" ACCJr
- if ((id == ID_VP310) && !(status[0] & 0x01)) {
- if ((ret = mt312_readreg(i2c, VIT_MODE, &vit_mode)) < 0)
- return ret;
- vit_mode ^= 0x40;
- if ((ret = mt312_writereg(i2c, VIT_MODE, vit_mode)) < 0)
- return ret;
- if ((ret = mt312_writereg(i2c, GO, 0x01)) < 0)
- return ret;
- }
return 0;
}
-static int mt312_read_bercnt(struct dvb_i2c_bus *i2c, u32 * ber)
+static int mt312_read_ber(struct dvb_frontend* fe, u32 *ber)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
int ret;
u8 buf[3];
- if ((ret = mt312_read(i2c, RS_BERCNT_H, buf, 3)) < 0)
+ if ((ret = mt312_read(state, RS_BERCNT_H, buf, 3)) < 0)
return ret;
*ber = ((buf[0] << 16) | (buf[1] << 8) | buf[2]) * 64;
return 0;
}
-static int mt312_read_agc(struct dvb_i2c_bus *i2c, u16 * signal_strength)
+static int mt312_read_signal_strength(struct dvb_frontend* fe, u16 *signal_strength)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
int ret;
u8 buf[3];
u16 agc;
s16 err_db;
- if ((ret = mt312_read(i2c, AGC_H, buf, sizeof(buf))) < 0)
+ if ((ret = mt312_read(state, AGC_H, buf, sizeof(buf))) < 0)
return ret;
agc = (buf[0] << 6) | (buf[1] >> 2);
return 0;
}
-static int mt312_read_snr(struct dvb_i2c_bus *i2c, u16 * snr)
+static int mt312_read_snr(struct dvb_frontend* fe, u16 *snr)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
int ret;
u8 buf[2];
- if ((ret = mt312_read(i2c, M_SNR_H, &buf, sizeof(buf))) < 0)
+ if ((ret = mt312_read(state, M_SNR_H, &buf, sizeof(buf))) < 0)
return ret;
*snr = 0xFFFF - ((((buf[0] & 0x7f) << 8) | buf[1]) << 1);
return 0;
}
-static int mt312_read_ubc(struct dvb_i2c_bus *i2c, u32 * ubc)
+static int mt312_read_ucblocks(struct dvb_frontend* fe, u32 *ubc)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
int ret;
u8 buf[2];
- if ((ret = mt312_read(i2c, RS_UBC_H, &buf, sizeof(buf))) < 0)
+ if ((ret = mt312_read(state, RS_UBC_H, &buf, sizeof(buf))) < 0)
return ret;
*ubc = (buf[0] << 8) | buf[1];
return 0;
}
-static int mt312_set_frontend(struct dvb_i2c_bus *i2c,
- const struct dvb_frontend_parameters *p,
- const long id)
+static int mt312_set_frontend(struct dvb_frontend* fe,
+ struct dvb_frontend_parameters *p)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
int ret;
u8 buf[5], config_val;
u16 sr;
{ 0x00, 0x01, 0x02, 0x04, 0x3f, 0x08, 0x10, 0x20, 0x3f, 0x3f };
const u8 inv_tab[3] = { 0x00, 0x40, 0x80 };
- int (*set_tv_freq)(struct dvb_i2c_bus *i2c, u32 freq, u32 sr);
-
dprintk("%s: Freq %d\n", __FUNCTION__, p->frequency);
- if ((p->frequency < mt312_info.frequency_min)
- || (p->frequency > mt312_info.frequency_max))
+ 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_AUTO))
+ || (p->inversion > INVERSION_ON))
return -EINVAL;
- if ((p->u.qpsk.symbol_rate < mt312_info.symbol_rate_min)
- || (p->u.qpsk.symbol_rate > mt312_info.symbol_rate_max))
+ if ((p->u.qpsk.symbol_rate < fe->ops->info.symbol_rate_min)
+ || (p->u.qpsk.symbol_rate > fe->ops->info.symbol_rate_max))
return -EINVAL;
if ((p->u.qpsk.fec_inner < FEC_NONE)
|| (p->u.qpsk.fec_inner == FEC_8_9))
return -EINVAL;
- switch (id) {
+ 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 tunning will be slower. ACCJr 09/29/03
- if ((ret = mt312_readreg(i2c, CONFIG, &config_val) < 0))
+ if ((ret = mt312_readreg(state, CONFIG, &config_val) < 0))
return ret;
if (p->u.qpsk.symbol_rate >= 30000000) //Note that 30MS/s should use 90MHz
{
- if ((config_val & 0x0c) == 0x08) //We are running 60MHz
- if ((ret = mt312_init(i2c, id, (u8) 90)) < 0)
+ if ((config_val & 0x0c) == 0x08) { //We are running 60MHz
+ state->frequency = 90;
+ if ((ret = mt312_initfe(fe)) < 0)
return ret;
}
+ }
else
{
- if ((config_val & 0x0c) == 0x0C) //We are running 90MHz
- if ((ret = mt312_init(i2c, id, (u8) 60)) < 0)
+ if ((config_val & 0x0c) == 0x0C) { //We are running 90MHz
+ state->frequency = 60;
+ if ((ret = mt312_initfe(fe)) < 0)
return ret;
}
- set_tv_freq = tsa5059_set_tv_freq;
+ }
break;
+
case ID_MT312:
- set_tv_freq = sl1935_set_tv_freq;
break;
+
default:
return -EINVAL;
}
- if ((ret = set_tv_freq(i2c, p->frequency, p->u.qpsk.symbol_rate)) < 0)
- return ret;
+ mt312_writereg(state, GPP_CTRL, 0x40);
+ state->config->pll_set(fe, p);
+ mt312_writereg(state, GPP_CTRL, 0x00);
/* sr = (u16)(sr * 256.0 / 1000000.0) */
sr = mt312_div(p->u.qpsk.symbol_rate * 4, 15625);
/* GO */
buf[4] = 0x01;
- if ((ret = mt312_write(i2c, SYM_RATE_H, buf, sizeof(buf))) < 0)
- return ret;
-
- mt312_reset(i2c, 0);
-
- return 0;
-}
-
-static int mt312_get_inversion(struct dvb_i2c_bus *i2c,
- fe_spectral_inversion_t * i)
-{
- int ret;
- u8 vit_mode;
-
- if ((ret = mt312_readreg(i2c, VIT_MODE, &vit_mode)) < 0)
+ if ((ret = mt312_write(state, SYM_RATE_H, buf, sizeof(buf))) < 0)
return ret;
- if (vit_mode & 0x80) /* auto inversion was used */
- *i = (vit_mode & 0x40) ? INVERSION_ON : INVERSION_OFF;
+ mt312_reset(state, 0);
return 0;
}
-static int mt312_get_symbol_rate(struct dvb_i2c_bus *i2c, u32 * sr)
-{
- int ret;
- u8 sym_rate_h;
- u8 dec_ratio;
- u16 sym_rat_op;
- u16 monitor;
- u8 buf[2];
-
- if ((ret = mt312_readreg(i2c, SYM_RATE_H, &sym_rate_h)) < 0)
- return ret;
-
- if (sym_rate_h & 0x80) { /* symbol rate search was used */
- if ((ret = mt312_writereg(i2c, MON_CTRL, 0x03)) < 0)
- return ret;
-
- if ((ret = mt312_read(i2c, MONITOR_H, buf, sizeof(buf))) < 0)
- return ret;
-
- monitor = (buf[0] << 8) | buf[1];
-
- dprintk(KERN_DEBUG "sr(auto) = %u\n",
- mt312_div(monitor * 15625, 4));
- } else {
- if ((ret = mt312_writereg(i2c, MON_CTRL, 0x05)) < 0)
- return ret;
-
- if ((ret = mt312_read(i2c, MONITOR_H, buf, sizeof(buf))) < 0)
- return ret;
-
- dec_ratio = ((buf[0] >> 5) & 0x07) * 32;
-
- if ((ret = mt312_read(i2c, SYM_RAT_OP_H, buf, sizeof(buf))) < 0)
- return ret;
-
- sym_rat_op = (buf[0] << 8) | buf[1];
-
- dprintk(KERN_DEBUG "sym_rat_op=%d dec_ratio=%d\n",
- sym_rat_op, dec_ratio);
- dprintk(KERN_DEBUG "*sr(manual) = %lu\n",
- (((MT312_PLL_CLK * 8192) / (sym_rat_op + 8192)) *
- 2) - dec_ratio);
- }
-
- return 0;
-}
-
-static int mt312_get_code_rate(struct dvb_i2c_bus *i2c, 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;
-
- if ((ret = mt312_readreg(i2c, FEC_STATUS, &fec_status)) < 0)
- return ret;
-
- *cr = fec_tab[(fec_status >> 4) & 0x07];
-
- return 0;
-}
-
-static int mt312_get_frontend(struct dvb_i2c_bus *i2c,
+static int mt312_get_frontend(struct dvb_frontend* fe,
struct dvb_frontend_parameters *p)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
int ret;
- if ((ret = mt312_get_inversion(i2c, &p->inversion)) < 0)
+ if ((ret = mt312_get_inversion(state, &p->inversion)) < 0)
return ret;
- if ((ret = mt312_get_symbol_rate(i2c, &p->u.qpsk.symbol_rate)) < 0)
+ if ((ret = mt312_get_symbol_rate(state, &p->u.qpsk.symbol_rate)) < 0)
return ret;
- if ((ret = mt312_get_code_rate(i2c, &p->u.qpsk.fec_inner)) < 0)
+ if ((ret = mt312_get_code_rate(state, &p->u.qpsk.fec_inner)) < 0)
return ret;
return 0;
}
-static int mt312_sleep(struct dvb_i2c_bus *i2c)
+static int mt312_sleep(struct dvb_frontend* fe)
{
+ struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
int ret;
u8 config;
/* reset all registers to defaults */
- if ((ret = mt312_reset(i2c, 1)) < 0)
+ if ((ret = mt312_reset(state, 1)) < 0)
return ret;
- if ((ret = mt312_readreg(i2c, CONFIG, &config)) < 0)
+ if ((ret = mt312_readreg(state, CONFIG, &config)) < 0)
return ret;
/* enter standby */
- if ((ret = mt312_writereg(i2c, CONFIG, config & 0x7f)) < 0)
+ if ((ret = mt312_writereg(state, CONFIG, config & 0x7f)) < 0)
return ret;
return 0;
}
-static int mt312_ioctl(struct dvb_frontend *fe, unsigned int cmd, void *arg)
-{
- struct dvb_i2c_bus *i2c = fe->i2c;
-
- switch (cmd) {
- case FE_GET_INFO:
- memcpy(arg, &mt312_info, sizeof(struct dvb_frontend_info));
- break;
-
- case FE_DISEQC_RESET_OVERLOAD:
- return -EOPNOTSUPP;
-
- case FE_DISEQC_SEND_MASTER_CMD:
- return mt312_send_master_cmd(i2c, arg);
-
- case FE_DISEQC_RECV_SLAVE_REPLY:
- if ((long) fe->data == ID_MT312)
- return mt312_recv_slave_reply(i2c, arg);
- else
- return -EOPNOTSUPP;
-
- case FE_DISEQC_SEND_BURST:
- return mt312_send_burst(i2c, (fe_sec_mini_cmd_t) arg);
-
- case FE_SET_TONE:
- return mt312_set_tone(i2c, (fe_sec_tone_mode_t) arg);
-
- case FE_SET_VOLTAGE:
- return mt312_set_voltage(i2c, (fe_sec_voltage_t) arg);
-
- case FE_ENABLE_HIGH_LNB_VOLTAGE:
- return -EOPNOTSUPP;
-
- case FE_READ_STATUS:
- return mt312_read_status(i2c, arg, (long) fe->data);
-
- case FE_READ_BER:
- return mt312_read_bercnt(i2c, arg);
-
- case FE_READ_SIGNAL_STRENGTH:
- return mt312_read_agc(i2c, arg);
-
- case FE_READ_SNR:
- return mt312_read_snr(i2c, arg);
-
- case FE_READ_UNCORRECTED_BLOCKS:
- return mt312_read_ubc(i2c, arg);
-
- case FE_SET_FRONTEND:
- return mt312_set_frontend(i2c, arg, (long) fe->data);
-
- case FE_GET_FRONTEND:
- return mt312_get_frontend(i2c, arg);
-
- case FE_GET_EVENT:
- return -EOPNOTSUPP;
-
- case FE_SLEEP:
- return mt312_sleep(i2c);
-
- case FE_INIT:
- //For the VP310 we should run at 60MHz when ever possible.
- //It should be better to run the mt312 ar lower speed when ever possible, but tunning will be slower. ACCJr 09/29/03
- if ((long)fe->data == ID_MT312)
- return mt312_init(i2c, (long) fe->data, (u8) 90);
- else
- return mt312_init(i2c, (long) fe->data, (u8) 60);
-
- case FE_GET_TUNE_SETTINGS:
+static int mt312_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
{
- struct dvb_frontend_tune_settings* fesettings = (struct dvb_frontend_tune_settings*) arg;
fesettings->min_delay_ms = 50;
fesettings->step_size = 0;
fesettings->max_drift = 0;
return 0;
}
- default:
- return -ENOIOCTLCMD;
- }
-
- return 0;
-}
-
-static int mt312_attach(struct dvb_i2c_bus *i2c, void **data)
+static void mt312_release(struct dvb_frontend* fe)
{
- int ret;
- u8 id;
-
- if ((ret = mt312_readreg(i2c, ID, &id)) < 0)
- return ret;
+ struct mt312_state* state = (struct mt312_state*) fe->demodulator_priv;
+ kfree(state);
+}
- if ((id != ID_VP310) && (id != ID_MT312))
- return -ENODEV;
+static struct dvb_frontend_ops vp310_mt312_ops;
- if ((ret = dvb_register_frontend(mt312_ioctl, i2c,
- (void *)(long)id, &mt312_info)) < 0)
- return ret;
+struct dvb_frontend* vp310_attach(const struct mt312_config* config,
+ struct i2c_adapter* i2c)
+{
+ struct mt312_state* state = NULL;
+
+ /* allocate memory for the internal state */
+ state = (struct mt312_state*) kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+
+ /* setup the state */
+ state->config = config;
+ state->i2c = i2c;
+ memcpy(&state->ops, &vp310_mt312_ops, sizeof(struct dvb_frontend_ops));
+ strcpy(state->ops.info.name, "Zarlink VP310 DVB-S");
+
+ /* check if the demod is there */
+ if (mt312_readreg(state, ID, &state->id) < 0)
+ goto error;
+ if (state->id != ID_VP310) {
+ goto error;
+ }
- mt312_count++;
+ /* create dvb_frontend */
+ state->frequency = 90;
+ state->frontend.ops = &state->ops;
+ state->frontend.demodulator_priv = state;
+ return &state->frontend;
- return 0;
+error:
+ if (state)
+ kfree(state);
+ return NULL;
}
-static void mt312_detach(struct dvb_i2c_bus *i2c, void *data)
+struct dvb_frontend* mt312_attach(const struct mt312_config* config,
+ struct i2c_adapter* i2c)
{
- dvb_unregister_frontend(mt312_ioctl, i2c);
-
- if (mt312_count)
- mt312_count--;
+ struct mt312_state* state = NULL;
+
+ /* allocate memory for the internal state */
+ state = (struct mt312_state*) kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+
+ /* setup the state */
+ state->config = config;
+ state->i2c = i2c;
+ memcpy(&state->ops, &vp310_mt312_ops, sizeof(struct dvb_frontend_ops));
+ strcpy(state->ops.info.name, "Zarlink MT312 DVB-S");
+
+ /* check if the demod is there */
+ if (mt312_readreg(state, ID, &state->id) < 0)
+ goto error;
+ if (state->id != ID_MT312) {
+ goto error;
}
-static int __init mt312_module_init(void)
-{
- return dvb_register_i2c_device(THIS_MODULE, mt312_attach, mt312_detach);
-}
+ /* create dvb_frontend */
+ state->frequency = 60;
+ state->frontend.ops = &state->ops;
+ state->frontend.demodulator_priv = state;
+ return &state->frontend;
-static void __exit mt312_module_exit(void)
-{
- dvb_unregister_i2c_device(mt312_attach);
+error:
+ if (state)
+ kfree(state);
+ return NULL;
}
-module_init(mt312_module_init);
-module_exit(mt312_module_exit);
+static struct dvb_frontend_ops vp310_mt312_ops = {
+
+ .info = {
+ .name = "Zarlink ???? DVB-S",
+ .type = FE_QPSK,
+ .frequency_min = 950000,
+ .frequency_max = 2150000,
+ .frequency_stepsize = (MT312_PLL_CLK / 1000) / 128,
+ .symbol_rate_min = MT312_SYS_CLK / 128,
+ .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,
+
+ .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,
+};
-#if MT312_DEBUG != 0
-MODULE_PARM(debug,"i");
-MODULE_PARM_DESC(debug, "enable verbose debug messages");
-#endif
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
-MODULE_DESCRIPTION("MT312 Satellite Channel Decoder Driver");
+MODULE_DESCRIPTION("Zarlink VP310/MT312 DVB-S Demodulator driver");
MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
MODULE_LICENSE("GPL");
+
+EXPORT_SYMBOL(mt312_attach);
+EXPORT_SYMBOL(vp310_attach);
git://git.onelab.eu / linux-2.6.git / blobdiff