V4L/DVB (13583): DiB8090: Add the DiB0090 tuner driver and STK8096GP-board

This patchs adds support for the DiBcom DiB0090 RF tuner and for
DiBcom's reference design STK8096GP. Small extracts of the DiB0070 and
the DiB8000-driver into a common codebase.
Signed-off-by: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Olivier Grenie <Olivier.Grenie@dibcom.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/dvb-usb-ids.h

@@ -102,6 +102,7 @@
 #define USB_PID_DIBCOM_STK7070PD			0x1ebe
 #define USB_PID_DIBCOM_STK807XP				0x1f90
 #define USB_PID_DIBCOM_STK807XPVR			0x1f98
+#define USB_PID_DIBCOM_STK8096GP                        0x1fa0
 #define USB_PID_DIBCOM_ANCHOR_2135_COLD			0x2131
 #define USB_PID_DIBCOM_STK7770P				0x1e80
 #define USB_PID_DPOSH_M9206_COLD			0x9206

drivers/media/dvb/frontends/Kconfig

@@ -526,6 +526,15 @@ config DVB_TUNER_DIB0070
 	  This device is only used inside a SiP called together with a
 	  demodulator for now.
 
+config DVB_TUNER_DIB0090
+	tristate "DiBcom DiB0090 silicon base-band tuner"
+	depends on I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A driver for the silicon baseband tuner DiB0090 from DiBcom.
+	  This device is only used inside a SiP called together with a
+	  demodulator for now.
+
 comment "SEC control devices for DVB-S"
 	depends on DVB_CORE
 

drivers/media/dvb/frontends/Makefile

@@ -55,6 +55,7 @@ obj-$(CONFIG_DVB_TDA10086) += tda10086.o
 obj-$(CONFIG_DVB_TDA826X) += tda826x.o
 obj-$(CONFIG_DVB_TDA8261) += tda8261.o
 obj-$(CONFIG_DVB_TUNER_DIB0070) += dib0070.o
+obj-$(CONFIG_DVB_TUNER_DIB0090) += dib0090.o
 obj-$(CONFIG_DVB_TUA6100) += tua6100.o
 obj-$(CONFIG_DVB_S5H1409) += s5h1409.o
 obj-$(CONFIG_DVB_TUNER_ITD1000) += itd1000.o

drivers/media/dvb/frontends/dib0070.h

@@ -52,6 +52,8 @@ struct dib0070_config {
 extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg);
 extern u16 dib0070_wbd_offset(struct dvb_frontend *);
 extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open);
+extern u8 dib0070_get_rf_output(struct dvb_frontend *fe);
+extern int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no);
 #else
 static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
 {
@@ -62,7 +64,7 @@ static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struc
 static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
-	return -ENODEV;
+	return 0;
 }
 
 static inline void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)

drivers/media/dvb/frontends/dib0090.h

+/*
+ * Linux-DVB Driver for DiBcom's DiB0090 base-band RF Tuner.
+ *
+ * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
+ *
+ * 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 DIB0090_H
+#define DIB0090_H
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+#define DEFAULT_DIB0090_I2C_ADDRESS 0x60
+
+struct dib0090_io_config {
+	u32 clock_khz;
+
+	u8 pll_bypass:1;
+	u8 pll_range:1;
+	u8 pll_prediv:6;
+	u8 pll_loopdiv:6;
+
+	u8 adc_clock_ratio;	/* valid is 8, 7 ,6 */
+	u16 pll_int_loop_filt;	// internal loop filt value. If not fill in , default is 8165
+};
+
+struct dib0090_config {
+	struct dib0090_io_config io;
+	int (*reset) (struct dvb_frontend *, int);
+	int (*sleep) (struct dvb_frontend *, int);
+
+	/*  offset in kHz */
+	int freq_offset_khz_uhf;
+	int freq_offset_khz_vhf;
+
+	int (*get_adc_power) (struct dvb_frontend *);
+
+	u8 clkouttobamse:1;	/* activate or deactivate clock output */
+	u8 analog_output;
+
+	u8 i2c_address;
+	/* add drives and other things if necessary */
+	u16 wbd_vhf_offset;
+	u16 wbd_cband_offset;
+	u8 use_pwm_agc;
+	u8 clkoutdrive;
+};
+
+#if defined(CONFIG_DVB_TUNER_DIB0090) || (defined(CONFIG_DVB_TUNER_DIB0090_MODULE) && defined(MODULE))
+extern struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config);
+extern void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast);
+extern void dib0090_pwm_gain_reset(struct dvb_frontend *fe);
+extern u16 dib0090_get_wbd_offset(struct dvb_frontend *tuner);
+extern int dib0090_gain_control(struct dvb_frontend *fe);
+extern enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe);
+extern int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state);
+extern enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe);
+extern void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * rf_gain_limit, u16 * rflt);
+#else
+static inline struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0090_config *config)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+
+static inline void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+}
+
+static inline void dib0090_pwm_gain_reset(struct dvb_frontend *fe)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+}
+
+static inline u16 dib0090_get_wbd_offset(struct dvb_frontend *tuner)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return 0;
+}
+
+static inline int dib0090_gain_control(struct dvb_frontend *fe)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return -ENODEV;
+}
+
+static inline enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return CT_DONE;
+}
+
+static inline int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return -ENODEV;
+}
+
+static inline num frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+return CT_SHUTDOWN,}
+
+static inline void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * rf_gain_limit, u16 * rflt)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+}
+#endif
+
+#endif

drivers/media/dvb/frontends/dib8000.c

@@ -28,18 +28,6 @@ MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
 
 #define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB8000: "); printk(args); printk("\n"); } } while (0)
 
-enum frontend_tune_state {
-	CT_AGC_START = 20,
-	CT_AGC_STEP_0,
-	CT_AGC_STEP_1,
-	CT_AGC_STEP_2,
-	CT_AGC_STEP_3,
-	CT_AGC_STEP_4,
-	CT_AGC_STOP,
-
-	CT_DEMOD_START = 30,
-};
-
 #define FE_STATUS_TUNE_FAILED 0
 
 struct i2c_device {
@@ -852,6 +840,14 @@ static int dib8000_set_agc_config(struct dib8000_state *state, u8 band)
 	return 0;
 }
 
+void dib8000_pwm_agc_reset(struct dvb_frontend *fe)
+{
+	struct dib8000_state *state = fe->demodulator_priv;
+	dib8000_set_adc_state(state, DIBX000_ADC_ON);
+	dib8000_set_agc_config(state, (unsigned char)(BAND_OF_FREQUENCY(fe->dtv_property_cache.frequency / 1000)));
+}
+EXPORT_SYMBOL(dib8000_pwm_agc_reset);
+
 static int dib8000_agc_soft_split(struct dib8000_state *state)
 {
 	u16 agc, split_offset;
@@ -939,6 +935,32 @@ static int dib8000_agc_startup(struct dvb_frontend *fe)
 
 }
 
+static const int32_t lut_1000ln_mant[] =
+{
+	908,7003,7090,7170,7244,7313,7377,7438,7495,7549,7600
+};
+
+int32_t dib8000_get_adc_power(struct dvb_frontend *fe, uint8_t mode)
+{
+    struct dib8000_state *state = fe->demodulator_priv;
+    uint32_t ix =0, tmp_val =0, exp = 0, mant = 0;
+    int32_t val;
+
+    val = dib8000_read32(state, 384);
+    /* mode = 1 : ln_agcpower calc using mant-exp conversion and mantis look up table */
+    if(mode) {
+	tmp_val = val;
+	while(tmp_val>>=1)
+	    exp++;
+	mant = (val * 1000 / (1<<exp));
+	ix = (uint8_t)((mant-1000)/100); /* index of the LUT */
+	val = (lut_1000ln_mant[ix] + 693*(exp-20) - 6908); /* 1000 * ln(adcpower_real) ; 693 = 1000ln(2) ; 6908 = 1000*ln(1000) ; 20 comes from adc_real = adc_pow_int / 2**20 */
+	val = (val*256)/1000;
+    }
+    return val;
+}
+EXPORT_SYMBOL(dib8000_get_adc_power);
+
 static void dib8000_update_timf(struct dib8000_state *state)
 {
 	u32 timf = state->timf = dib8000_read32(state, 435);
@@ -1854,6 +1876,24 @@ static int dib8000_sleep(struct dvb_frontend *fe)
 	}
 }
 
+enum frontend_tune_state dib8000_get_tune_state(struct dvb_frontend* fe)
+{
+	struct dib8000_state *state = fe->demodulator_priv;
+	return state->tune_state;
+}
+EXPORT_SYMBOL(dib8000_get_tune_state);
+
+int dib8000_set_tune_state(struct dvb_frontend* fe, enum frontend_tune_state tune_state)
+{
+	struct dib8000_state *state = fe->demodulator_priv;
+	state->tune_state = tune_state;
+	return 0;
+}
+EXPORT_SYMBOL(dib8000_set_tune_state);
+
+
+
+
 static int dib8000_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
 {
 	struct dib8000_state *state = fe->demodulator_priv;

drivers/media/dvb/frontends/dib8000.h

@@ -46,6 +46,10 @@ extern int dib8000_set_gpio(struct dvb_frontend *, u8 num, u8 dir, u8 val);
 extern int dib8000_set_wbd_ref(struct dvb_frontend *, u16 value);
 extern int dib8000_pid_filter_ctrl(struct dvb_frontend *, u8 onoff);
 extern int dib8000_pid_filter(struct dvb_frontend *, u8 id, u16 pid, u8 onoff);
+extern int dib8000_set_tune_state(struct dvb_frontend* fe, enum frontend_tune_state tune_state);
+extern enum frontend_tune_state dib8000_get_tune_state(struct dvb_frontend* fe);
+extern void dib8000_pwm_agc_reset(struct dvb_frontend *fe);
+extern s32 dib8000_get_adc_power(struct dvb_frontend *fe, u8 mode);
 #else
 static inline struct dvb_frontend *dib8000_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib8000_config *cfg)
 {
@@ -59,35 +63,53 @@ static inline struct i2c_adapter *dib8000_get_i2c_master(struct dvb_frontend *fe
 	return NULL;
 }
 
-int dib8000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods, u8 default_addr, u8 first_addr)
+static inline int dib8000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods, u8 default_addr, u8 first_addr)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return -ENODEV;
 }
 
-int dib8000_set_gpio(struct dvb_frontend *fe, u8 num, u8 dir, u8 val)
+static inline int dib8000_set_gpio(struct dvb_frontend *fe, u8 num, u8 dir, u8 val)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return -ENODEV;
 }
 
-int dib8000_set_wbd_ref(struct dvb_frontend *fe, u16 value)
+static inline int dib8000_set_wbd_ref(struct dvb_frontend *fe, u16 value)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return -ENODEV;
 }
 
-int dib8000_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
+static inline int dib8000_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return -ENODEV;
 }
 
-int dib8000_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
+static inline int dib8000_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return -ENODEV;
 }
+static inline int dib8000_set_tune_state(struct dvb_frontend* fe, enum frontend_tune_state tune_state)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return -ENODEV;
+}
+static inline enum frontend_tune_state dib8000_get_tune_state(struct dvb_frontend* fe)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+    return CT_SHUTDOWN,
+}
+static inline void dib8000_pwm_agc_reset(struct dvb_frontend *fe)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+}
+static inline s32 dib8000_get_adc_power(struct dvb_frontend *fe, u8 mode)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+}
 #endif
 
 #endif

drivers/media/dvb/frontends/dibx000_common.c

@@ -6,7 +6,7 @@ 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)
+#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiBX000: "); printk(args); printk("\n"); } } while (0)
 
 static int dibx000_write_word(struct dibx000_i2c_master *mst, u16 reg, u16 val)
 {
@@ -25,7 +25,7 @@ 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);
+		dprintk("selecting interface: %d", intf);
 		mst->selected_interface = intf;
 		return dibx000_write_word(mst, mst->base_reg + 4, intf);
 	}
@@ -171,9 +171,18 @@ void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst)
 {
 	i2c_del_adapter(&mst->gated_tuner_i2c_adap);
 }
-
 EXPORT_SYMBOL(dibx000_exit_i2c_master);
 
+
+u32 systime()
+{
+    struct timespec t;
+
+    t = current_kernel_time();
+    return (t.tv_sec * 10000) + (t.tv_nsec / 100000);
+}
+EXPORT_SYMBOL(systime);
+
 MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>");
 MODULE_DESCRIPTION("Common function the DiBcom demodulator family");
 MODULE_LICENSE("GPL");

drivers/media/dvb/frontends/dibx000_common.h

@@ -36,13 +36,17 @@ extern struct i2c_adapter *dibx000_get_i2c_adapter(struct dibx000_i2c_master
 extern void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst);
 extern void dibx000_reset_i2c_master(struct dibx000_i2c_master *mst);
 
+extern u32 systime(void);
+
 #define BAND_LBAND 0x01
 #define BAND_UHF   0x02
 #define BAND_VHF   0x04
 #define BAND_SBAND 0x08
-#define BAND_FM	   0x10
+#define BAND_FM    0x10
+#define BAND_CBAND 0x20
 
-#define BAND_OF_FREQUENCY(freq_kHz) ( (freq_kHz) <= 115000 ? BAND_FM : \
+#define BAND_OF_FREQUENCY(freq_kHz) ( (freq_kHz) <= 170000 ? BAND_CBAND : \
+									(freq_kHz) <= 115000 ? BAND_FM : \
 									(freq_kHz) <= 250000 ? BAND_VHF : \
 									(freq_kHz) <= 863000 ? BAND_UHF : \
 									(freq_kHz) <= 2000000 ? BAND_LBAND : BAND_SBAND )
@@ -149,4 +153,67 @@ enum dibx000_adc_states {
 #define OUTMODE_MPEG2_FIFO          5
 #define OUTMODE_ANALOG_ADC          6
 
+enum frontend_tune_state {
+    CT_TUNER_START = 10,
+    CT_TUNER_STEP_0,
+    CT_TUNER_STEP_1,
+    CT_TUNER_STEP_2,
+    CT_TUNER_STEP_3,
+    CT_TUNER_STEP_4,
+    CT_TUNER_STEP_5,
+    CT_TUNER_STEP_6,
+    CT_TUNER_STEP_7,
+    CT_TUNER_STOP,
+
+    CT_AGC_START = 20,
+    CT_AGC_STEP_0,
+    CT_AGC_STEP_1,
+    CT_AGC_STEP_2,
+    CT_AGC_STEP_3,
+    CT_AGC_STEP_4,
+    CT_AGC_STOP,
+
+	CT_DEMOD_START = 30,
+    CT_DEMOD_STEP_1,
+    CT_DEMOD_STEP_2,
+    CT_DEMOD_STEP_3,
+    CT_DEMOD_STEP_4,
+    CT_DEMOD_STEP_5,
+    CT_DEMOD_STEP_6,
+    CT_DEMOD_STEP_7,
+    CT_DEMOD_STEP_8,
+    CT_DEMOD_STEP_9,
+    CT_DEMOD_STEP_10,
+    CT_DEMOD_SEARCH_NEXT = 41,
+    CT_DEMOD_STEP_LOCKED,
+    CT_DEMOD_STOP,
+
+    CT_DONE = 100,
+    CT_SHUTDOWN,
+
+};
+
+struct dvb_frontend_parametersContext {
+#define CHANNEL_STATUS_PARAMETERS_UNKNOWN   0x01
+#define CHANNEL_STATUS_PARAMETERS_SET       0x02
+    u8 status;
+    u32 tune_time_estimation[2];
+    s32 tps_available;
+    u16 tps[9];
+};
+
+#define FE_STATUS_TUNE_FAILED          0
+#define FE_STATUS_TUNE_TIMED_OUT      -1
+#define FE_STATUS_TUNE_TIME_TOO_SHORT -2
+#define FE_STATUS_TUNE_PENDING        -3
+#define FE_STATUS_STD_SUCCESS         -4
+#define FE_STATUS_FFT_SUCCESS         -5
+#define FE_STATUS_DEMOD_SUCCESS       -6
+#define FE_STATUS_LOCKED              -7
+#define FE_STATUS_DATA_LOCKED         -8
+
+#define FE_CALLBACK_TIME_NEVER 0xffffffff
+
+#define ABS(x) ((x<0)?(-x):(x))
+
 #endif