31 static int write_control_reg(struct echoaudio *chip, u32 value, char force);
32 static int set_input_clock(struct echoaudio *chip, u16 clock);
33 static int set_professional_spdif(struct echoaudio *chip, char prof);
34 static int set_digital_mode(struct echoaudio *chip, u8 mode);
35 static int load_asic_generic(struct echoaudio *chip, u32 cmd, short asic);
36 static int check_asic_status(struct echoaudio *chip);
39 static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)  in init_hw()  argument
46 	if ((err = init_dsp_comm_page(chip))) {  in init_hw()
47 		dev_err(chip->card->dev,  in init_hw()
52 	chip->device_id = device_id;  in init_hw()
53 	chip->subdevice_id = subdevice_id;  in init_hw()
54 	chip->bad_board = TRUE;  in init_hw()
55 	chip->has_midi = TRUE;  in init_hw()
56 	chip->dsp_code_to_load = FW_LAYLA24_DSP;  in init_hw()
57 	chip->input_clock_types =  in init_hw()
60 	chip->digital_modes =  in init_hw()
65 	if ((err = load_firmware(chip)) < 0)  in init_hw()
67 	chip->bad_board = FALSE;  in init_hw()
69 	if ((err = init_line_levels(chip)) < 0)  in init_hw()
77 static int set_mixer_defaults(struct echoaudio *chip)  in set_mixer_defaults()  argument
79 	chip->digital_mode = DIGITAL_MODE_SPDIF_RCA;  in set_mixer_defaults()
80 	chip->professional_spdif = FALSE;  in set_mixer_defaults()
81 	chip->digital_in_automute = TRUE;  in set_mixer_defaults()
82 	return init_line_levels(chip);  in set_mixer_defaults()
87 static u32 detect_input_clocks(const struct echoaudio *chip)  in detect_input_clocks()  argument
92 	clocks_from_dsp = le32_to_cpu(chip->comm_page->status_clocks);  in detect_input_clocks()
112 static int load_asic(struct echoaudio *chip)  in load_asic()  argument
116 	if (chip->asic_loaded)  in load_asic()
124 	err = load_asic_generic(chip, DSP_FNC_LOAD_LAYLA24_PCI_CARD_ASIC,  in load_asic()
129 	chip->asic_code = FW_LAYLA24_2S_ASIC;  in load_asic()
135 	err = load_asic_generic(chip, DSP_FNC_LOAD_LAYLA24_EXTERNAL_ASIC,  in load_asic()
144 	err = check_asic_status(chip);  in load_asic()
149 		err = write_control_reg(chip, GML_CONVERTER_ENABLE | GML_48KHZ,  in load_asic()
157 static int set_sample_rate(struct echoaudio *chip, u32 rate)  in set_sample_rate()  argument
162 		       chip->digital_mode == DIGITAL_MODE_ADAT))  in set_sample_rate()
166 	if (chip->input_clock != ECHO_CLOCK_INTERNAL) {  in set_sample_rate()
167 		dev_warn(chip->card->dev,  in set_sample_rate()
170 		chip->comm_page->sample_rate = cpu_to_le32(rate);  in set_sample_rate()
171 		chip->sample_rate = rate;  in set_sample_rate()
176 	control_reg = le32_to_cpu(chip->comm_page->control_register);  in set_sample_rate()
227 		if (wait_handshake(chip))  in set_sample_rate()
230 		chip->comm_page->sample_rate =  in set_sample_rate()
233 		clear_handshake(chip);  in set_sample_rate()
234 		send_vector(chip, DSP_VC_SET_LAYLA24_FREQUENCY_REG);  in set_sample_rate()
239 	chip->comm_page->sample_rate = cpu_to_le32(rate);	/* ignored by the DSP ? */  in set_sample_rate()
240 	chip->sample_rate = rate;  in set_sample_rate()
241 	dev_dbg(chip->card->dev,  in set_sample_rate()
244 	return write_control_reg(chip, control_reg, FALSE);  in set_sample_rate()
249 static int set_input_clock(struct echoaudio *chip, u16 clock)  in set_input_clock()  argument
254 	control_reg = le32_to_cpu(chip->comm_page->control_register) &  in set_input_clock()
256 	clocks_from_dsp = le32_to_cpu(chip->comm_page->status_clocks);  in set_input_clock()
261 		chip->input_clock = ECHO_CLOCK_INTERNAL;  in set_input_clock()
262 		return set_sample_rate(chip, chip->sample_rate);  in set_input_clock()
264 		if (chip->digital_mode == DIGITAL_MODE_ADAT)  in set_input_clock()
278 		if (chip->digital_mode != DIGITAL_MODE_ADAT)  in set_input_clock()
284 		dev_err(chip->card->dev,  in set_input_clock()
289 	chip->input_clock = clock;  in set_input_clock()
290 	return write_control_reg(chip, control_reg, TRUE);  in set_input_clock()
298 static int switch_asic(struct echoaudio *chip, short asic)  in switch_asic()  argument
303 	if (asic != chip->asic_code) {  in switch_asic()
304 		monitors = kmemdup(chip->comm_page->monitors,  in switch_asic()
309 		memset(chip->comm_page->monitors, ECHOGAIN_MUTED,  in switch_asic()
313 		if (load_asic_generic(chip, DSP_FNC_LOAD_LAYLA24_EXTERNAL_ASIC,  in switch_asic()
315 			memcpy(chip->comm_page->monitors, monitors,  in switch_asic()
320 		chip->asic_code = asic;  in switch_asic()
321 		memcpy(chip->comm_page->monitors, monitors, MONITOR_ARRAY_SIZE);  in switch_asic()
330 static int dsp_set_digital_mode(struct echoaudio *chip, u8 mode)  in dsp_set_digital_mode()  argument
341 		if (chip->input_clock == ECHO_CLOCK_ADAT)  in dsp_set_digital_mode()
346 		if (chip->input_clock == ECHO_CLOCK_SPDIF)  in dsp_set_digital_mode()
351 		dev_err(chip->card->dev,  in dsp_set_digital_mode()
357 		chip->sample_rate = 48000;  in dsp_set_digital_mode()
358 		spin_lock_irq(&chip->lock);  in dsp_set_digital_mode()
359 		set_input_clock(chip, ECHO_CLOCK_INTERNAL);  in dsp_set_digital_mode()
360 		spin_unlock_irq(&chip->lock);  in dsp_set_digital_mode()
364 	if (switch_asic(chip, asic) < 0)  in dsp_set_digital_mode()
367 	spin_lock_irq(&chip->lock);  in dsp_set_digital_mode()
370 	control_reg = le32_to_cpu(chip->comm_page->control_register);  in dsp_set_digital_mode()
386 	err = write_control_reg(chip, control_reg, TRUE);  in dsp_set_digital_mode()
387 	spin_unlock_irq(&chip->lock);  in dsp_set_digital_mode()
390 	chip->digital_mode = mode;  in dsp_set_digital_mode()
392 	dev_dbg(chip->card->dev, "set_digital_mode to %d\n", mode);  in dsp_set_digital_mode()