--- /dev/null
+/*
+ * Driver for DiBcom DiB3000MC/P-demodulator.
+ *
+ * Copyright (C) 2004-6 DiBcom (http://www.dibcom.fr/)
+ * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher\@desy.de)
+ *
+ * This code is partially based on the previous dib3000mc.c .
+ *
+ * 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.
+ */
+#ifndef DIB3000MC_H
+#define DIB3000MC_H
+
+#include "dibx000_common.h"
+
+struct dib3000mc_config {
+ struct dibx000_agc_config *agc;
+
+ u8 phase_noise_mode;
+ u8 impulse_noise_mode;
+
+ u8 pwm3_inversion;
+ u8 use_pwm3;
+ u16 pwm3_value;
+
+ u16 max_time;
+ u16 ln_adc_level;
+
+ u8 mobile_mode;
+
+ u8 output_mpeg2_in_188_bytes;
+};
+
+#define DEFAULT_DIB3000MC_I2C_ADDRESS 16
+#define DEFAULT_DIB3000P_I2C_ADDRESS 24
+
+#if defined(CONFIG_DVB_DIB3000MC) || defined(CONFIG_DVB_DIB3000MC_MODULE)
+extern int dib3000mc_attach(struct i2c_adapter *i2c_adap, int no_of_demods, u8 default_addr,
+ u8 do_i2c_enum, struct dib3000mc_config cfg[], struct dvb_frontend *demod[]);
+#else
+static inline struct dvb_frontend* dib3000mc_attach(const struct dib3000_config* config,
+ struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+ return NULL;
+}
+#endif // CONFIG_DVB_DIB3000MC
+
+extern struct i2c_adapter * dib3000mc_get_tuner_i2c_master(struct dvb_frontend *demod, int gating);
+
+extern int dib3000mc_pid_control(struct dvb_frontend *fe, int index, int pid,int onoff);
+extern int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff);
+
+extern void dib3000mc_set_config(struct dvb_frontend *, struct dib3000mc_config *);
+
+#endif
--- /dev/null
+#include <linux/i2c.h>
+
+#include "dibx000_common.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
+
+#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiBX000: "); printk(args); } } while (0)
+
+static int dibx000_write_word(struct dibx000_i2c_master *mst, u16 reg, u16 val)
+{
+ u8 b[4] = {
+ (reg >> 8) & 0xff, reg & 0xff,
+ (val >> 8) & 0xff, val & 0xff,
+ };
+ struct i2c_msg msg = {
+ .addr = mst->i2c_addr, .flags = 0, .buf = b, .len = 4
+ };
+ return i2c_transfer(mst->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0;
+}
+
+
+static int dibx000_i2c_select_interface(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf)
+{
+ if (mst->device_rev > DIB3000MC && mst->selected_interface != intf) {
+ dprintk("selecting interface: %d\n",intf);
+ mst->selected_interface = intf;
+ return dibx000_write_word(mst, mst->base_reg + 4, intf);
+ }
+ return 0;
+}
+
+static int dibx000_i2c_gate_ctrl(struct dibx000_i2c_master *mst, u8 tx[4], u8 addr, int onoff)
+{
+ u16 val;
+
+
+ if (onoff)
+ val = addr << 8; // bit 7 = use master or not, if 0, the gate is open
+ else
+ val = 1 << 7;
+
+ if (mst->device_rev > DIB7000)
+ val <<= 1;
+
+ tx[0] = (((mst->base_reg + 1) >> 8) & 0xff);
+ tx[1] = ( (mst->base_reg + 1) & 0xff);
+ tx[2] = val >> 8;
+ tx[3] = val & 0xff;
+
+ return 0;
+}
+
+static u32 dibx000_i2c_func(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C;
+}
+
+static int dibx000_i2c_gated_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
+{
+ struct dibx000_i2c_master *mst = i2c_get_adapdata(i2c_adap);
+ struct i2c_msg m[2 + num];
+ u8 tx_open[4], tx_close[4];
+
+ memset(m,0, sizeof(struct i2c_msg) * (2 + num)),
+
+ dibx000_i2c_select_interface(mst, DIBX000_I2C_INTERFACE_TUNER);
+
+ dibx000_i2c_gate_ctrl(mst, tx_open, msg[0].addr, 1);
+ m[0].addr = mst->i2c_addr;
+ m[0].buf = tx_open;
+ m[0].len = 4;
+
+ memcpy(&m[1], msg, sizeof(struct i2c_msg) * num);
+
+ dibx000_i2c_gate_ctrl(mst, tx_close, 0, 0);
+ m[num+1].addr = mst->i2c_addr;
+ m[num+1].buf = tx_close;
+ m[num+1].len = 4;
+
+ return i2c_transfer(mst->i2c_adap, m, 2+num) == 2 + num ? num : -EIO;
+}
+
+static struct i2c_algorithm dibx000_i2c_gated_tuner_algo = {
+ .master_xfer = dibx000_i2c_gated_tuner_xfer,
+ .functionality = dibx000_i2c_func,
+};
+
+struct i2c_adapter * dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf, int gating)
+{
+ struct i2c_adapter *i2c = NULL;
+
+ switch (intf) {
+ case DIBX000_I2C_INTERFACE_TUNER:
+ if (gating)
+ i2c = &mst->gated_tuner_i2c_adap;
+ break;
+ default:
+ printk(KERN_ERR "DiBX000: incorrect I2C interface selected\n");
+ break;
+ }
+
+ return i2c;
+}
+EXPORT_SYMBOL(dibx000_get_i2c_adapter);
+
+static int i2c_adapter_init(struct i2c_adapter *i2c_adap, struct i2c_algorithm *algo, const char name[I2C_NAME_SIZE], struct dibx000_i2c_master *mst)
+{
+ strncpy(i2c_adap->name, name, I2C_NAME_SIZE);
+ i2c_adap->class = I2C_CLASS_TV_DIGITAL,
+ i2c_adap->algo = algo;
+ i2c_adap->algo_data = NULL;
+ i2c_set_adapdata(i2c_adap, mst);
+ if (i2c_add_adapter(i2c_adap) < 0)
+ return -ENODEV;
+ return 0;
+}
+
+int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev, struct i2c_adapter *i2c_adap, u8 i2c_addr)
+{
+ u8 tx[4];
+ struct i2c_msg m = { .addr = i2c_addr >> 1, .buf = tx, .len = 4 };
+
+ mst->device_rev = device_rev;
+ mst->i2c_adap = i2c_adap;
+ mst->i2c_addr = i2c_addr >> 1;
+
+ if (device_rev == DIB7000P)
+ mst->base_reg = 1024;
+ else
+ mst->base_reg = 768;
+
+ if (i2c_adapter_init(&mst->gated_tuner_i2c_adap, &dibx000_i2c_gated_tuner_algo, "DiBX000 tuner I2C bus", mst) != 0)
+ printk(KERN_ERR "DiBX000: could not initialize the tuner i2c_adapter\n");
+
+ /* initialize the i2c-master by closing the gate */
+ dibx000_i2c_gate_ctrl(mst, tx, 0, 0);
+
+ return i2c_transfer(i2c_adap, &m, 1) == 1;
+}
+EXPORT_SYMBOL(dibx000_init_i2c_master);
+
+void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst)
+{
+ i2c_del_adapter(&mst->gated_tuner_i2c_adap);
+}
+EXPORT_SYMBOL(dibx000_exit_i2c_master);
--- /dev/null
+#ifndef DIBX000_COMMON_H
+#define DIBX000_COMMON_H
+
+enum dibx000_i2c_interface {
+ DIBX000_I2C_INTERFACE_TUNER = 0,
+ DIBX000_I2C_INTERFACE_GPIO_1_2 = 1,
+ DIBX000_I2C_INTERFACE_GPIO_3_4 = 2
+};
+
+struct dibx000_i2c_master {
+#define DIB3000MC 1
+#define DIB7000 2
+#define DIB7000P 11
+#define DIB7000MC 12
+ u16 device_rev;
+
+ enum dibx000_i2c_interface selected_interface;
+
+// struct i2c_adapter tuner_i2c_adap;
+ struct i2c_adapter gated_tuner_i2c_adap;
+
+ struct i2c_adapter *i2c_adap;
+ u8 i2c_addr;
+
+ u16 base_reg;
+};
+
+extern int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev, struct i2c_adapter *i2c_adap, u8 i2c_addr);
+extern struct i2c_adapter * dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf, int gating);
+extern void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst);
+
+#define BAND_LBAND 0x01
+#define BAND_UHF 0x02
+#define BAND_VHF 0x04
+
+struct dibx000_agc_config {
+ /* defines the capabilities of this AGC-setting - using the BAND_-defines*/
+ u8 band_caps;
+
+ u16 setup;
+
+ u16 inv_gain;
+ u16 time_stabiliz;
+
+ u8 alpha_level;
+ u16 thlock;
+
+ u8 wbd_inv;
+ u16 wbd_ref;
+ u8 wbd_sel;
+ u8 wbd_alpha;
+
+ u16 agc1_max;
+ u16 agc1_min;
+ u16 agc2_max;
+ u16 agc2_min;
+
+ u8 agc1_pt1;
+ u8 agc1_pt2;
+ u8 agc1_pt3;
+
+ u8 agc1_slope1;
+ u8 agc1_slope2;
+
+ u8 agc2_pt1;
+ u8 agc2_pt2;
+
+ u8 agc2_slope1;
+ u8 agc2_slope2;
+
+ u8 alpha_mant;
+ u8 alpha_exp;
+
+ u8 beta_mant;
+ u8 beta_exp;
+
+ u8 perform_agc_softsplit;
+
+ struct {
+ u16 min;
+ u16 max;
+ u16 min_thres;
+ u16 max_thres;
+ } split;
+};
+
+struct dibx000_bandwidth_config {
+ u32 internal;
+ u32 sampling;
+
+ u8 pll_prediv;
+ u8 pll_ratio;
+ u8 pll_range;
+ u8 pll_reset;
+ u8 pll_bypass;
+
+ u8 enable_refdiv;
+ u8 bypclk_div;
+ u8 IO_CLK_en_core;
+ u8 ADClkSrc;
+ u8 modulo;
+
+ u16 sad_cfg;
+
+ u32 ifreq;
+ u32 timf;
+};
+
+enum dibx000_adc_states {
+ DIBX000_SLOW_ADC_ON = 0,
+ DIBX000_SLOW_ADC_OFF,
+ DIBX000_ADC_ON,
+ DIBX000_ADC_OFF,
+ DIBX000_VBG_ENABLE,
+ DIBX000_VBG_DISABLE,
+};
+
+#define BW_INDEX_TO_KHZ(v) ( (v) == BANDWIDTH_8_MHZ ? 8000 : \
+ (v) == BANDWIDTH_7_MHZ ? 7000 : \
+ (v) == BANDWIDTH_6_MHZ ? 6000 : 8000 )
+
+/* Chip output mode. */
+#define OUTMODE_HIGH_Z 0
+#define OUTMODE_MPEG2_PAR_GATED_CLK 1
+#define OUTMODE_MPEG2_PAR_CONT_CLK 2
+#define OUTMODE_MPEG2_SERIAL 7
+#define OUTMODE_DIVERSITY 4
+#define OUTMODE_MPEG2_FIFO 5
+
+/* I hope I can get rid of the following kludge in the near future */
+struct dibx000_ofdm_channel {
+ u8 Bw;
+ s16 nfft;
+ s16 guard;
+ s16 nqam;
+ s16 vit_hrch;
+ s16 vit_select_hp;
+ s16 vit_alpha;
+ s16 vit_code_rate_hp;
+ s16 vit_code_rate_lp;
+};
+
+#define FEP2DIB(fep,ch) \
+ (ch)->Bw = (fep)->u.ofdm.bandwidth; \
+ (ch)->nfft = (fep)->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO ? -1 : (fep)->u.ofdm.transmission_mode; \
+ (ch)->guard = (fep)->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO ? -1 : (fep)->u.ofdm.guard_interval; \
+ (ch)->nqam = (fep)->u.ofdm.constellation == QAM_AUTO ? -1 : (fep)->u.ofdm.constellation == QAM_64 ? 2 : (fep)->u.ofdm.constellation; \
+ (ch)->vit_hrch = 0; /* linux-dvb is not prepared for HIERARCHICAL TRANSMISSION */ \
+ (ch)->vit_select_hp = 1; \
+ (ch)->vit_alpha = 1; \
+ (ch)->vit_code_rate_hp = (fep)->u.ofdm.code_rate_HP == FEC_AUTO ? -1 : (fep)->u.ofdm.code_rate_HP; \
+ (ch)->vit_code_rate_lp = (fep)->u.ofdm.code_rate_LP == FEC_AUTO ? -1 : (fep)->u.ofdm.code_rate_LP;
+
+#define INIT_OFDM_CHANNEL(ch) do {\
+ (ch)->Bw = 0; \
+ (ch)->nfft = -1; \
+ (ch)->guard = -1; \
+ (ch)->nqam = -1; \
+ (ch)->vit_hrch = -1; \
+ (ch)->vit_select_hp = -1; \
+ (ch)->vit_alpha = -1; \
+ (ch)->vit_code_rate_hp = -1; \
+ (ch)->vit_code_rate_lp = -1; \
+} while (0)
+
+#endif
projects / linux-2.6 / commitdiff