/*
 * Copyright (ST) 2012 Rajeev Kumar (rajeevkumar.linux@gmail.com)
 *
 * This program 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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
 *
 */

#ifndef __SOUND_DESIGNWARE_I2S_H
#define __SOUND_DESIGNWARE_I2S_H

#include <linux/dmaengine.h>
#include <linux/types.h>

/*
 * struct i2s_clk_config_data - represent i2s clk configuration data
 * @chan_nr: number of channel
 * @data_width: number of bits per sample (8/16/24/32 bit)
 * @sample_rate: sampling frequency (8Khz, 16Khz, 32Khz, 44Khz, 48Khz)
 */
struct i2s_clk_config_data {
	int chan_nr;
	u32 data_width;
	u32 sample_rate;
};

struct i2s_platform_data {
	#define DWC_I2S_PLAY	(1 << 0)
	#define DWC_I2S_RECORD	(1 << 1)
	#define DW_I2S_SLAVE	(1 << 2)
	#define DW_I2S_MASTER	(1 << 3)
	unsigned int cap;
	int channel;
	u32 snd_fmts;
	u32 snd_rates;

	#define DW_I2S_QUIRK_COMP_REG_OFFSET	(1 << 0)
	#define DW_I2S_QUIRK_COMP_PARAM1	(1 << 1)
	unsigned int quirks;
	unsigned int i2s_reg_comp1;
	unsigned int i2s_reg_comp2;

	void *play_dma_data;
	void *capture_dma_data;
	bool (*filter)(struct dma_chan *chan, void *slave);
	int (*i2s_clk_cfg)(struct i2s_clk_config_data *config);
};

struct i2s_dma_data {
	void *data;
	dma_addr_t addr;
	u32 max_burst;
	enum dma_slave_buswidth addr_width;
	bool (*filter)(struct dma_chan *chan, void *slave);
};

/* I2S DMA registers */
#define I2S_RXDMA		0x01C0
#define I2S_TXDMA		0x01C8

#define TWO_CHANNEL_SUPPORT	2	/* up to 2.0 */
#define FOUR_CHANNEL_SUPPORT	4	/* up to 3.1 */
#define SIX_CHANNEL_SUPPORT	6	/* up to 5.1 */
#define EIGHT_CHANNEL_SUPPORT	8	/* up to 7.1 */

#endif /*  __SOUND_DESIGNWARE_I2S_H */
next.git/log/include/acpi'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='4842e98f26dd80be3623c4714a244ba52ea096a8'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=4842e98f26dd80be3623c4714a244ba52ea096a8'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=4842e98f26dd80be3623c4714a244ba52ea096a8'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/acpi?h=nds-private-remove&amp;id=4842e98f26dd80be3623c4714a244ba52ea096a8'>acpi</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/acpi?h=nds-private-remove&amp;id=4842e98f26dd80be3623c4714a244ba52ea096a8&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>