81 static u16 dib0070_read_reg(struct dib0070_state *state, u8 reg)  in dib0070_read_reg()  argument
85 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {  in dib0070_read_reg()
90 	state->i2c_write_buffer[0] = reg;  in dib0070_read_reg()
92 	memset(state->msg, 0, 2 * sizeof(struct i2c_msg));  in dib0070_read_reg()
93 	state->msg[0].addr = state->cfg->i2c_address;  in dib0070_read_reg()
94 	state->msg[0].flags = 0;  in dib0070_read_reg()
95 	state->msg[0].buf = state->i2c_write_buffer;  in dib0070_read_reg()
96 	state->msg[0].len = 1;  in dib0070_read_reg()
97 	state->msg[1].addr = state->cfg->i2c_address;  in dib0070_read_reg()
98 	state->msg[1].flags = I2C_M_RD;  in dib0070_read_reg()
99 	state->msg[1].buf = state->i2c_read_buffer;  in dib0070_read_reg()
100 	state->msg[1].len = 2;  in dib0070_read_reg()
102 	if (i2c_transfer(state->i2c, state->msg, 2) != 2) {  in dib0070_read_reg()
106 		ret = (state->i2c_read_buffer[0] << 8)  in dib0070_read_reg()
107 			| state->i2c_read_buffer[1];  in dib0070_read_reg()
109 	mutex_unlock(&state->i2c_buffer_lock);  in dib0070_read_reg()
113 static int dib0070_write_reg(struct dib0070_state *state, u8 reg, u16 val)  in dib0070_write_reg()  argument
117 	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {  in dib0070_write_reg()
121 	state->i2c_write_buffer[0] = reg;  in dib0070_write_reg()
122 	state->i2c_write_buffer[1] = val >> 8;  in dib0070_write_reg()
123 	state->i2c_write_buffer[2] = val & 0xff;  in dib0070_write_reg()
125 	memset(state->msg, 0, sizeof(struct i2c_msg));  in dib0070_write_reg()
126 	state->msg[0].addr = state->cfg->i2c_address;  in dib0070_write_reg()
127 	state->msg[0].flags = 0;  in dib0070_write_reg()
128 	state->msg[0].buf = state->i2c_write_buffer;  in dib0070_write_reg()
129 	state->msg[0].len = 3;  in dib0070_write_reg()
131 	if (i2c_transfer(state->i2c, state->msg, 1) != 1) {  in dib0070_write_reg()
137 	mutex_unlock(&state->i2c_buffer_lock);  in dib0070_write_reg()
141 #define HARD_RESET(state) do { \  argument
142     state->cfg->sleep(state->fe, 0); \
143     if (state->cfg->reset) { \
144 	state->cfg->reset(state->fe,1); msleep(10); \
145 	state->cfg->reset(state->fe,0); msleep(10); \
151 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_set_bandwidth()  local
152 	u16 tmp = dib0070_read_reg(state, 0x02) & 0x3fff;  in dib0070_set_bandwidth()
154 	if (state->fe->dtv_property_cache.bandwidth_hz/1000 > 7000)  in dib0070_set_bandwidth()
156 	else if (state->fe->dtv_property_cache.bandwidth_hz/1000 > 6000)  in dib0070_set_bandwidth()
158 	else if (state->fe->dtv_property_cache.bandwidth_hz/1000 > 5000)  in dib0070_set_bandwidth()
163 	dib0070_write_reg(state, 0x02, tmp);  in dib0070_set_bandwidth()
166 	if (state->fe->dtv_property_cache.delivery_system == SYS_ISDBT) {  in dib0070_set_bandwidth()
167 		u16 value = dib0070_read_reg(state, 0x17);  in dib0070_set_bandwidth()
169 		dib0070_write_reg(state, 0x17, value & 0xfffc);  in dib0070_set_bandwidth()
170 		tmp = dib0070_read_reg(state, 0x01) & 0x01ff;  in dib0070_set_bandwidth()
171 		dib0070_write_reg(state, 0x01, tmp | (60 << 9));  in dib0070_set_bandwidth()
173 		dib0070_write_reg(state, 0x17, value);  in dib0070_set_bandwidth()
178 static int dib0070_captrim(struct dib0070_state *state, enum frontend_tune_state *tune_state)  in dib0070_captrim()  argument
185 		dib0070_write_reg(state, 0x0f, 0xed10);  in dib0070_captrim()
186 		dib0070_write_reg(state, 0x17,    0x0034);  in dib0070_captrim()
188 		dib0070_write_reg(state, 0x18, 0x0032);  in dib0070_captrim()
189 		state->step = state->captrim = state->fcaptrim = 64;  in dib0070_captrim()
190 		state->adc_diff = 3000;  in dib0070_captrim()
195 		state->step /= 2;  in dib0070_captrim()
196 		dib0070_write_reg(state, 0x14, state->lo4 | state->captrim);  in dib0070_captrim()
202 		adc = dib0070_read_reg(state, 0x19);  in dib0070_captrim()
204 …dprintk("CAPTRIM=%hd; ADC = %hd (ADC) & %dmV\n", state->captrim, adc, (u32) adc*(u32)1800/(u32)102…  in dib0070_captrim()
214 		if (adc < state->adc_diff) {  in dib0070_captrim()
215 			dprintk("CAPTRIM=%hd is closer to target (%hd/%hd)\n", state->captrim, adc, state->adc_diff);  in dib0070_captrim()
216 			state->adc_diff = adc;  in dib0070_captrim()
217 			state->fcaptrim = state->captrim;  in dib0070_captrim()
219 		state->captrim += (step_sign * state->step);  in dib0070_captrim()
221 		if (state->step >= 1)  in dib0070_captrim()
227 		dib0070_write_reg(state, 0x14, state->lo4 | state->fcaptrim);  in dib0070_captrim()
228 		dib0070_write_reg(state, 0x18, 0x07ff);  in dib0070_captrim()
237 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_set_ctrl_lo5()  local
241 	return dib0070_write_reg(state, 0x15, lo5);  in dib0070_set_ctrl_lo5()
246 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_ctrl_agc_filter()  local
249 		dib0070_write_reg(state, 0x1b, 0xff00);  in dib0070_ctrl_agc_filter()
250 		dib0070_write_reg(state, 0x1a, 0x0000);  in dib0070_ctrl_agc_filter()
252 		dib0070_write_reg(state, 0x1b, 0x4112);  in dib0070_ctrl_agc_filter()
253 		if (state->cfg->vga_filter != 0) {  in dib0070_ctrl_agc_filter()
254 			dib0070_write_reg(state, 0x1a, state->cfg->vga_filter);  in dib0070_ctrl_agc_filter()
255 			dprintk("vga filter register is set to %x\n", state->cfg->vga_filter);  in dib0070_ctrl_agc_filter()
257 			dib0070_write_reg(state, 0x1a, 0x0009);  in dib0070_ctrl_agc_filter()
333 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_tune_digital()  local
338 	enum frontend_tune_state *tune_state = &state->tune_state;  in dib0070_tune_digital()
342 …>dtv_property_cache.frequency/1000 + (band == BAND_VHF ? state->cfg->freq_offset_khz_vhf : state->…  in dib0070_tune_digital()
345 …if (state->fe->dtv_property_cache.delivery_system == SYS_ISDBT && state->fe->dtv_property_cache.is…  in dib0070_tune_digital()
346 			if (((state->fe->dtv_property_cache.isdbt_sb_segment_count % 2)  in dib0070_tune_digital()
347 …&& (state->fe->dtv_property_cache.isdbt_sb_segment_idx == ((state->fe->dtv_property_cache.isdbt_sb…  in dib0070_tune_digital()
348 			|| (((state->fe->dtv_property_cache.isdbt_sb_segment_count % 2) == 0)  in dib0070_tune_digital()
349 …&& (state->fe->dtv_property_cache.isdbt_sb_segment_idx == (state->fe->dtv_property_cache.isdbt_sb_…  in dib0070_tune_digital()
350 			|| (((state->fe->dtv_property_cache.isdbt_sb_segment_count % 2) == 0)  in dib0070_tune_digital()
351 …&& (state->fe->dtv_property_cache.isdbt_sb_segment_idx == ((state->fe->dtv_property_cache.isdbt_sb…  in dib0070_tune_digital()
354 	if (state->current_rf != freq) {  in dib0070_tune_digital()
356 		switch (state->revision) {  in dib0070_tune_digital()
363 		if (state->cfg->flip_chip)  in dib0070_tune_digital()
374 		state->current_tune_table_index = tune;  in dib0070_tune_digital()
375 		state->lna_match = lna_match;  in dib0070_tune_digital()
380 		if (state->current_rf != freq) {  in dib0070_tune_digital()
385 			state->current_rf = freq;  in dib0070_tune_digital()
386 …state->lo4 = (state->current_tune_table_index->vco_band << 11) | (state->current_tune_table_index-…  in dib0070_tune_digital()
389 			dib0070_write_reg(state, 0x17, 0x30);  in dib0070_tune_digital()
392 			VCOF_kHz = state->current_tune_table_index->vco_multi * freq * 2;  in dib0070_tune_digital()
396 				REFDIV = (u8) ((state->cfg->clock_khz + 9999) / 10000);  in dib0070_tune_digital()
399 				REFDIV = (u8) ((state->cfg->clock_khz) / 1000);  in dib0070_tune_digital()
402 				REFDIV = (u8) (state->cfg->clock_khz  / 10000);  in dib0070_tune_digital()
405 			FREF = state->cfg->clock_khz / REFDIV;  in dib0070_tune_digital()
409 			switch (state->revision) {  in dib0070_tune_digital()
411 				FBDiv = (VCOF_kHz / state->current_tune_table_index->presc / FREF);  in dib0070_tune_digital()
412 				Rest  = (VCOF_kHz / state->current_tune_table_index->presc) - FBDiv * FREF;  in dib0070_tune_digital()
436 				state->lo4 |= (1 << 14) | (1 << 12);  in dib0070_tune_digital()
441 			dib0070_write_reg(state, 0x11, (u16)FBDiv);  in dib0070_tune_digital()
442 			dib0070_write_reg(state, 0x12, (Den << 8) | REFDIV);  in dib0070_tune_digital()
443 			dib0070_write_reg(state, 0x13, (u16) Rest);  in dib0070_tune_digital()
445 			if (state->revision == DIB0070S_P1A) {  in dib0070_tune_digital()
449 					dib0070_write_reg(state, 0x1d, 0xFFFF);  in dib0070_tune_digital()
454 			dib0070_write_reg(state, 0x20,  in dib0070_tune_digital()
455 …0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001 | state->current_tune_table_index->tuner_enabl…  in dib0070_tune_digital()
459 			dprintk("Num: %hd, Den: %hd, SD: %hd\n", (u16) Rest, Den, (state->lo4 >> 12) & 0x1);  in dib0070_tune_digital()
460 			dprintk("HFDIV code: %hd\n", state->current_tune_table_index->hfdiv);  in dib0070_tune_digital()
461 			dprintk("VCO = %hd\n", state->current_tune_table_index->vco_band);  in dib0070_tune_digital()
462 			dprintk("VCOF: ((%hd*%d) << 1))\n", state->current_tune_table_index->vco_multi, freq);  in dib0070_tune_digital()
471 		ret = dib0070_captrim(state, tune_state);  in dib0070_tune_digital()
474 		const struct dib0070_wbd_gain_cfg *tmp = state->cfg->wbd_gain;  in dib0070_tune_digital()
478 			dib0070_write_reg(state, 0x0f,  in dib0070_tune_digital()
481 				| (state->current_tune_table_index->wbdmux << 0));  in dib0070_tune_digital()
482 			state->wbd_gain_current = tmp->wbd_gain_val;  in dib0070_tune_digital()
484 			dib0070_write_reg(state, 0x0f,  in dib0070_tune_digital()
487 					  | (state->current_tune_table_index->wbdmux << 0));  in dib0070_tune_digital()
488 			state->wbd_gain_current = 6;  in dib0070_tune_digital()
491 		dib0070_write_reg(state, 0x06, 0x3fff);  in dib0070_tune_digital()
492 		dib0070_write_reg(state, 0x07,  in dib0070_tune_digital()
493 …(state->current_tune_table_index->switch_trim << 11) | (7 << 8) | (state->lna_match->lna_band << 3…  in dib0070_tune_digital()
494 		dib0070_write_reg(state, 0x08, (state->lna_match->lna_band << 10) | (3 << 7) | (127));  in dib0070_tune_digital()
495 		dib0070_write_reg(state, 0x0d, 0x0d80);  in dib0070_tune_digital()
498 		dib0070_write_reg(state, 0x18,   0x07ff);  in dib0070_tune_digital()
499 		dib0070_write_reg(state, 0x17, 0x0033);  in dib0070_tune_digital()
515 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_tune()  local
518 	state->tune_state = CT_TUNER_START;  in dib0070_tune()
526 	} while (state->tune_state != CT_TUNER_STOP);  in dib0070_tune()
533 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_wakeup()  local
534 	if (state->cfg->sleep)  in dib0070_wakeup()
535 		state->cfg->sleep(fe, 0);  in dib0070_wakeup()
541 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_sleep()  local
542 	if (state->cfg->sleep)  in dib0070_sleep()
543 		state->cfg->sleep(fe, 1);  in dib0070_sleep()
549 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_get_rf_output()  local
550 	return (dib0070_read_reg(state, 0x07) >> 11) & 0x3;  in dib0070_get_rf_output()
556 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_set_rf_output()  local
557 	u16 rxrf2 = dib0070_read_reg(state, 0x07) & 0xfe7ff;  in dib0070_set_rf_output()
562 	return dib0070_write_reg(state, 0x07, rxrf2 | (no << 11));  in dib0070_set_rf_output()
605 static u16 dib0070_read_wbd_offset(struct dib0070_state *state, u8 gain)  in dib0070_read_wbd_offset()  argument
607 	u16 tuner_en = dib0070_read_reg(state, 0x20);  in dib0070_read_wbd_offset()
610 	dib0070_write_reg(state, 0x18, 0x07ff);  in dib0070_read_wbd_offset()
611 …dib0070_write_reg(state, 0x20, 0x0800 | 0x4000 | 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x00…  in dib0070_read_wbd_offset()
612 …dib0070_write_reg(state, 0x0f, (1 << 14) | (2 << 12) | (gain << 9) | (1 << 8) | (1 << 7) | (0 << 0…  in dib0070_read_wbd_offset()
614 	offset = dib0070_read_reg(state, 0x19);  in dib0070_read_wbd_offset()
615 	dib0070_write_reg(state, 0x20, tuner_en);  in dib0070_read_wbd_offset()
619 static void dib0070_wbd_offset_calibration(struct dib0070_state *state)  in dib0070_wbd_offset_calibration()  argument
623 		state->wbd_offset_3_3[gain - 6] = ((dib0070_read_wbd_offset(state, gain) * 8 * 18 / 33 + 1) / 2);  in dib0070_wbd_offset_calibration()
624 		dprintk("Gain: %d, WBDOffset (3.3V) = %hd\n", gain, state->wbd_offset_3_3[gain-6]);  in dib0070_wbd_offset_calibration()
630 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_wbd_offset()  local
631 	const struct dib0070_wbd_gain_cfg *tmp = state->cfg->wbd_gain;  in dib0070_wbd_offset()
637 		state->wbd_gain_current = tmp->wbd_gain_val;  in dib0070_wbd_offset()
639 		state->wbd_gain_current = 6;  in dib0070_wbd_offset()
641 	return state->wbd_offset_3_3[state->wbd_gain_current - 6];  in dib0070_wbd_offset()
648 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_reset()  local
651 	HARD_RESET(state);  in dib0070_reset()
655 	if ((dib0070_read_reg(state, 0x22) >> 9) & 0x1)  in dib0070_reset()
656 		state->revision = (dib0070_read_reg(state, 0x1f) >> 8) & 0xff;  in dib0070_reset()
661 	state->revision = DIB0070S_P1A;  in dib0070_reset()
664 	dprintk("Revision: %x\n", state->revision);  in dib0070_reset()
666 	if (state->revision == DIB0070_P1D) {  in dib0070_reset()
676 			dib0070_write_reg(state, (u8)r, pgm_read_word(n++));  in dib0070_reset()
682 	if (state->cfg->force_crystal_mode != 0)  in dib0070_reset()
683 		r = state->cfg->force_crystal_mode;  in dib0070_reset()
684 	else if (state->cfg->clock_khz >= 24000)  in dib0070_reset()
690 	r |= state->cfg->osc_buffer_state << 3;  in dib0070_reset()
692 	dib0070_write_reg(state, 0x10, r);  in dib0070_reset()
693 	dib0070_write_reg(state, 0x1f, (1 << 8) | ((state->cfg->clock_pad_drive & 0xf) << 5));  in dib0070_reset()
695 	if (state->cfg->invert_iq) {  in dib0070_reset()
696 		r = dib0070_read_reg(state, 0x02) & 0xffdf;  in dib0070_reset()
697 		dib0070_write_reg(state, 0x02, r | (1 << 5));  in dib0070_reset()
700 	if (state->revision == DIB0070S_P1A)  in dib0070_reset()
703 		dib0070_set_ctrl_lo5(fe, 5, 4, state->cfg->charge_pump,  in dib0070_reset()
704 				     state->cfg->enable_third_order_filter);  in dib0070_reset()
706 	dib0070_write_reg(state, 0x01, (54 << 9) | 0xc8);  in dib0070_reset()
708 	dib0070_wbd_offset_calibration(state);  in dib0070_reset()
715 	struct dib0070_state *state = fe->tuner_priv;  in dib0070_get_frequency()  local
717 	*frequency = 1000 * state->current_rf;  in dib0070_get_frequency()
746 	struct dib0070_state *state = kzalloc(sizeof(struct dib0070_state), GFP_KERNEL);  in dib0070_attach()  local
747 	if (state == NULL)  in dib0070_attach()
750 	state->cfg = cfg;  in dib0070_attach()
751 	state->i2c = i2c;  in dib0070_attach()
752 	state->fe  = fe;  in dib0070_attach()
753 	mutex_init(&state->i2c_buffer_lock);  in dib0070_attach()
754 	fe->tuner_priv = state;  in dib0070_attach()
762 	fe->tuner_priv = state;  in dib0070_attach()
766 	kfree(state);  in dib0070_attach()