[mirror_ubuntu-focal-kernel.git] / sound / pci / echoaudio / indigo_dsp.c

/****************************************************************************

   Copyright Echo Digital Audio Corporation (c) 1998 - 2004
   All rights reserved
   www.echoaudio.com

   This file is part of Echo Digital Audio's generic driver library.

   Echo Digital Audio's generic driver library 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.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston,
   MA  02111-1307, USA.

   *************************************************************************

 Translation from C++ and adaptation for use in ALSA-Driver
 were made by Giuliano Pochini <pochini@shiny.it>

****************************************************************************/


static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
			   int gain);
static int update_vmixer_level(struct echoaudio *chip);


static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
{
	int err;

	DE_INIT(("init_hw() - Indigo\n"));
	if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO))
		return -ENODEV;

	if ((err = init_dsp_comm_page(chip))) {
		DE_INIT(("init_hw - could not initialize DSP comm page\n"));
		return err;
	}

	chip->device_id = device_id;
	chip->subdevice_id = subdevice_id;
	chip->bad_board = TRUE;
	chip->dsp_code_to_load = &card_fw[FW_INDIGO_DSP];
	/* Since this card has no ASIC, mark it as loaded so everything
	   works OK */
	chip->asic_loaded = TRUE;
	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;

	if ((err = load_firmware(chip)) < 0)
		return err;
	chip->bad_board = FALSE;

	if ((err = init_line_levels(chip)) < 0)
		return err;

	/* Default routing of the virtual channels: all vchannels are routed
	to the stereo output */
	set_vmixer_gain(chip, 0, 0, 0);
	set_vmixer_gain(chip, 1, 1, 0);
	set_vmixer_gain(chip, 0, 2, 0);
	set_vmixer_gain(chip, 1, 3, 0);
	set_vmixer_gain(chip, 0, 4, 0);
	set_vmixer_gain(chip, 1, 5, 0);
	set_vmixer_gain(chip, 0, 6, 0);
	set_vmixer_gain(chip, 1, 7, 0);
	err = update_vmixer_level(chip);

	DE_INIT(("init_hw done\n"));
	return err;
}


static u32 detect_input_clocks(const struct echoaudio *chip)
{
	return ECHO_CLOCK_BIT_INTERNAL;
}


/* The Indigo has no ASIC. Just do nothing */
static int load_asic(struct echoaudio *chip)
{
	return 0;
}


static int set_sample_rate(struct echoaudio *chip, u32 rate)
{
	u32 control_reg;

	switch (rate) {
	case 96000:
		control_reg = MIA_96000;
		break;
	case 88200:
		control_reg = MIA_88200;
		break;
	case 48000:
		control_reg = MIA_48000;
		break;
	case 44100:
		control_reg = MIA_44100;
		break;
	case 32000:
		control_reg = MIA_32000;
		break;
	default:
		DE_ACT(("set_sample_rate: %d invalid!\n", rate));
		return -EINVAL;
	}

	/* Set the control register if it has changed */
	if (control_reg != le32_to_cpu(chip->comm_page->control_register)) {
		if (wait_handshake(chip))
			return -EIO;

		chip->comm_page->sample_rate = cpu_to_le32(rate);	/* ignored by the DSP */
		chip->comm_page->control_register = cpu_to_le32(control_reg);
		chip->sample_rate = rate;

		clear_handshake(chip);
		return send_vector(chip, DSP_VC_UPDATE_CLOCKS);
	}
	return 0;
}


/* This function routes the sound from a virtual channel to a real output */
static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
			   int gain)
{
	int index;

	if (snd_BUG_ON(pipe >= num_pipes_out(chip) ||
		       output >= num_busses_out(chip)))
		return -EINVAL;

	if (wait_handshake(chip))
		return -EIO;

	chip->vmixer_gain[output][pipe] = gain;
	index = output * num_pipes_out(chip) + pipe;
	chip->comm_page->vmixer[index] = gain;

	DE_ACT(("set_vmixer_gain: pipe %d, out %d = %d\n", pipe, output, gain));
	return 0;
}


/* Tell the DSP to read and update virtual mixer levels in comm page. */
static int update_vmixer_level(struct echoaudio *chip)
{
	if (wait_handshake(chip))
		return -EIO;
	clear_handshake(chip);
	return send_vector(chip, DSP_VC_SET_VMIXER_GAIN);
}
Commit	Line	Data
dd7b254d GP	1	/****************************************************************************
	2
	3	Copyright Echo Digital Audio Corporation (c) 1998 - 2004
	4	All rights reserved
	5	www.echoaudio.com
	6
	7	This file is part of Echo Digital Audio's generic driver library.
	8
	9	Echo Digital Audio's generic driver library is free software;
	10	you can redistribute it and/or modify it under the terms of
	11	the GNU General Public License as published by the Free Software
	12	Foundation.
	13
	14	This program is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with this program; if not, write to the Free Software
	21	Foundation, Inc., 59 Temple Place - Suite 330, Boston,
	22	MA 02111-1307, USA.
	23
	24	*************************************************************************
	25
	26	Translation from C++ and adaptation for use in ALSA-Driver
	27	were made by Giuliano Pochini <pochini@shiny.it>
	28
	29	****************************************************************************/
	30
	31
	32	static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
	33	int gain);
	34	static int update_vmixer_level(struct echoaudio *chip);
	35
	36
	37	static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
	38	{
	39	int err;
	40
	41	DE_INIT(("init_hw() - Indigo\n"));
da3cec35 TI	42	if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO))
da3cec35 TI	43	return -ENODEV;
dd7b254d GP	44
	45	if ((err = init_dsp_comm_page(chip))) {
	46	DE_INIT(("init_hw - could not initialize DSP comm page\n"));
	47	return err;
	48	}
	49
	50	chip->device_id = device_id;
	51	chip->subdevice_id = subdevice_id;
	52	chip->bad_board = TRUE;
	53	chip->dsp_code_to_load = &card_fw[FW_INDIGO_DSP];
	54	/* Since this card has no ASIC, mark it as loaded so everything
	55	works OK */
	56	chip->asic_loaded = TRUE;
	57	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
	58
	59	if ((err = load_firmware(chip)) < 0)
	60	return err;
	61	chip->bad_board = FALSE;
	62
	63	if ((err = init_line_levels(chip)) < 0)
	64	return err;
	65
	66	/* Default routing of the virtual channels: all vchannels are routed
	67	to the stereo output */
	68	set_vmixer_gain(chip, 0, 0, 0);
	69	set_vmixer_gain(chip, 1, 1, 0);
	70	set_vmixer_gain(chip, 0, 2, 0);
	71	set_vmixer_gain(chip, 1, 3, 0);
	72	set_vmixer_gain(chip, 0, 4, 0);
	73	set_vmixer_gain(chip, 1, 5, 0);
	74	set_vmixer_gain(chip, 0, 6, 0);
	75	set_vmixer_gain(chip, 1, 7, 0);
	76	err = update_vmixer_level(chip);
	77
	78	DE_INIT(("init_hw done\n"));
	79	return err;
	80	}
	81
	82
	83
	84	static u32 detect_input_clocks(const struct echoaudio *chip)
	85	{
	86	return ECHO_CLOCK_BIT_INTERNAL;
	87	}
	88
	89
	90
	91	/* The Indigo has no ASIC. Just do nothing */
	92	static int load_asic(struct echoaudio *chip)
	93	{
	94	return 0;
	95	}
	96
	97
	98
	99	static int set_sample_rate(struct echoaudio *chip, u32 rate)
	100	{
	101	u32 control_reg;
	102
	103	switch (rate) {
	104	case 96000:
	105	control_reg = MIA_96000;
	106	break;
	107	case 88200:
108	control_reg = MIA_88200;
109	break;
110	case 48000:
111	control_reg = MIA_48000;
112	break;
113	case 44100:
114	control_reg = MIA_44100;
115	break;
116	case 32000:
117	control_reg = MIA_32000;
118	break;
119	default:
120	DE_ACT(("set_sample_rate: %d invalid!\n", rate));
121	return -EINVAL;
122	}
123
124	/* Set the control register if it has changed */
125	if (control_reg != le32_to_cpu(chip->comm_page->control_register)) {
126	if (wait_handshake(chip))
127	return -EIO;
128
129	chip->comm_page->sample_rate = cpu_to_le32(rate); /* ignored by the DSP */
130	chip->comm_page->control_register = cpu_to_le32(control_reg);
131	chip->sample_rate = rate;
132
133	clear_handshake(chip);
134	return send_vector(chip, DSP_VC_UPDATE_CLOCKS);
135	}
136	return 0;
137	}
138
139
140
141	/* This function routes the sound from a virtual channel to a real output */
142	static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
143	int gain)
144	{
145	int index;
146
da3cec35 TI	147	if (snd_BUG_ON(pipe >= num_pipes_out(chip) \|\|
	148	output >= num_busses_out(chip)))
	149	return -EINVAL;
dd7b254d GP	150
	151	if (wait_handshake(chip))
	152	return -EIO;
	153
	154	chip->vmixer_gain[output][pipe] = gain;
	155	index = output * num_pipes_out(chip) + pipe;
	156	chip->comm_page->vmixer[index] = gain;
	157
	158	DE_ACT(("set_vmixer_gain: pipe %d, out %d = %d\n", pipe, output, gain));
	159	return 0;
	160	}
	161
	162
	163
	164	/* Tell the DSP to read and update virtual mixer levels in comm page. */
	165	static int update_vmixer_level(struct echoaudio *chip)
	166	{
	167	if (wait_handshake(chip))
	168	return -EIO;
	169	clear_handshake(chip);
	170	return send_vector(chip, DSP_VC_SET_VMIXER_GAIN);
	171	}
	172