3    Copyright Echo Digital Audio Corporation (c) 1998 - 2004
7    This file is part of Echo Digital Audio's generic driver library.
9    Echo Digital Audio's generic driver library is free software;
21    Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22    MA  02111-1307, USA.
26  Translation from C++ and adaptation for use in ALSA-Driver
41 		return -ENODEV;  in init_hw()
45 		dev_err(chip->card->dev,  in init_hw()
46 			"init_hw - could not initialize DSP comm page\n");  in init_hw()
50 	chip->device_id = device_id;  in init_hw()
51 	chip->subdevice_id = subdevice_id;  in init_hw()
52 	chip->bad_board = true;  in init_hw()
53 	chip->dsp_code_to_load = FW_GINA20_DSP;  in init_hw()
54 	chip->spdif_status = GD_SPDIF_STATUS_UNDEF;  in init_hw()
55 	chip->clock_state = GD_CLOCK_UNDEF;  in init_hw()
58 	chip->asic_loaded = true;  in init_hw()
59 	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL |  in init_hw()
65 	chip->bad_board = false;  in init_hw()
74 	chip->professional_spdif = false;  in set_mixer_defaults()
86 	clocks_from_dsp = le32_to_cpu(chip->comm_page->status_clocks);  in detect_input_clocks()
111 		return -EIO;  in set_sample_rate()
128 	if (chip->clock_state == clock_state)  in set_sample_rate()
130 	if (spdif_status == chip->spdif_status)  in set_sample_rate()
133 	chip->comm_page->sample_rate = cpu_to_le32(rate);  in set_sample_rate()
134 	chip->comm_page->gd_clock_state = clock_state;  in set_sample_rate()
135 	chip->comm_page->gd_spdif_status = spdif_status;  in set_sample_rate()
136 	chip->comm_page->gd_resampler_state = 3;	/* magic number - should always be 3 */  in set_sample_rate()
138 	/* Save the new audio state if it changed */  in set_sample_rate()
140 		chip->clock_state = clock_state;  in set_sample_rate()
142 		chip->spdif_status = spdif_status;  in set_sample_rate()
143 	chip->sample_rate = rate;  in set_sample_rate()
156 		/* Reset the audio state to unknown (just in case) */  in set_input_clock()
157 		chip->clock_state = GD_CLOCK_UNDEF;  in set_input_clock()
158 		chip->spdif_status = GD_SPDIF_STATUS_UNDEF;  in set_input_clock()
159 		set_sample_rate(chip, chip->sample_rate);  in set_input_clock()
160 		chip->input_clock = clock;  in set_input_clock()
163 		chip->comm_page->gd_clock_state = GD_CLOCK_SPDIFIN;  in set_input_clock()
164 		chip->comm_page->gd_spdif_status = GD_SPDIF_STATUS_NOCHANGE;  in set_input_clock()
167 		chip->clock_state = GD_CLOCK_SPDIFIN;  in set_input_clock()
168 		chip->input_clock = clock;  in set_input_clock()
171 		return -EINVAL;  in set_input_clock()
179 /* Set input bus gain (one unit is 0.5dB !) */
180 static int set_input_gain(struct echoaudio *chip, u16 input, int gain)  in set_input_gain()  argument
183 		return -EINVAL;  in set_input_gain()
186 		return -EIO;  in set_input_gain()
188 	chip->input_gain[input] = gain;  in set_input_gain()
189 	gain += GL20_INPUT_GAIN_MAGIC_NUMBER;  in set_input_gain()
190 	chip->comm_page->line_in_level[input] = gain;  in set_input_gain()
200 		return -EIO;  in update_flags()
210 		chip->comm_page->flags |=  in set_professional_spdif()
213 		chip->comm_page->flags &=  in set_professional_spdif()
215 	chip->professional_spdif = prof;  in set_professional_spdif()