[linux-2.6-block.git] / sound / pci / echoaudio / indigoio_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;

	if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_IO))
		return -ENODEV;

	if ((err = init_dsp_comm_page(chip))) {
		dev_err(chip->card->dev,
			"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 = FW_INDIGO_IO_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;

	return err;
}


static int set_mixer_defaults(struct echoaudio *chip)
{
	return init_line_levels(chip);
}


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


/* The IndigoIO 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)
{
	if (wait_handshake(chip))
		return -EIO;

	chip->sample_rate = rate;
	chip->comm_page->sample_rate = cpu_to_le32(rate);
	clear_handshake(chip);
	return send_vector(chip, DSP_VC_UPDATE_CLOCKS);
}


/* 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;

	dev_dbg(chip->card->dev,
		"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
da3cec35 TI	41	if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_IO))
da3cec35 TI	42	return -ENODEV;
dd7b254d GP	43
dd7b254d GP	44	if ((err = init_dsp_comm_page(chip))) {
b5b4a41b SM	45	dev_err(chip->card->dev,
b5b4a41b SM	46	"init_hw - could not initialize DSP comm page\n");
dd7b254d GP	47	return err;
	48	}
	49
	50	chip->device_id = device_id;
	51	chip->subdevice_id = subdevice_id;
3f6175ec	52	chip->bad_board = true;
19b50063	53	chip->dsp_code_to_load = FW_INDIGO_IO_DSP;
dd7b254d GP	54	/* Since this card has no ASIC, mark it as loaded so everything
dd7b254d GP	55	works OK */
3f6175ec	56	chip->asic_loaded = true;
dd7b254d GP	57	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
	58
	59	if ((err = load_firmware(chip)) < 0)
	60	return err;
3f6175ec	61	chip->bad_board = false;
dd7b254d	62
dd7b254d GP	63	return err;
	64	}
	65
	66
	67
ad3499f4 GP	68	static int set_mixer_defaults(struct echoaudio *chip)
	69	{
	70	return init_line_levels(chip);
	71	}
	72
	73
	74
dd7b254d GP	75	static u32 detect_input_clocks(const struct echoaudio *chip)
	76	{
	77	return ECHO_CLOCK_BIT_INTERNAL;
	78	}
	79
	80
	81
	82	/* The IndigoIO has no ASIC. Just do nothing */
	83	static int load_asic(struct echoaudio *chip)
	84	{
	85	return 0;
	86	}
	87
	88
	89
	90	static int set_sample_rate(struct echoaudio *chip, u32 rate)
	91	{
	92	if (wait_handshake(chip))
	93	return -EIO;
	94
	95	chip->sample_rate = rate;
	96	chip->comm_page->sample_rate = cpu_to_le32(rate);
	97	clear_handshake(chip);
	98	return send_vector(chip, DSP_VC_UPDATE_CLOCKS);
	99	}
	100
	101
	102
	103	/* This function routes the sound from a virtual channel to a real output */
	104	static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
	105	int gain)
	106	{
	107	int index;
	108
da3cec35 TI	109	if (snd_BUG_ON(pipe >= num_pipes_out(chip) \|\|
	110	output >= num_busses_out(chip)))
	111	return -EINVAL;
dd7b254d GP	112
	113	if (wait_handshake(chip))
	114	return -EIO;
	115
	116	chip->vmixer_gain[output][pipe] = gain;
	117	index = output * num_pipes_out(chip) + pipe;
	118	chip->comm_page->vmixer[index] = gain;
	119
b5b4a41b SM	120	dev_dbg(chip->card->dev,
b5b4a41b SM	121	"set_vmixer_gain: pipe %d, out %d = %d\n", pipe, output, gain);
dd7b254d GP	122	return 0;
	123	}
	124
	125
	126
	127	/* Tell the DSP to read and update virtual mixer levels in comm page. */
	128	static int update_vmixer_level(struct echoaudio *chip)
	129	{
	130	if (wait_handshake(chip))
	131	return -EIO;
	132	clear_handshake(chip);
	133	return send_vector(chip, DSP_VC_SET_VMIXER_GAIN);
	134	}
	135