/* -*- linux-c -*- *
*
* ALSA driver for the digigram lx6464es interface
* low-level interface
*
* Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
/* #define RMH_DEBUG 1 */
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include "lx6464es.h"
#include "lx_core.h"
/* low-level register access */
static const unsigned long dsp_port_offsets[] = {
0,
0x400,
0x401,
0x402,
0x403,
0x404,
0x405,
0x406,
0x407,
0x408,
0x409,
0x40a,
0x40b,
0x40c,
0x410,
0x411,
0x412,
0x413,
0x414,
0x415,
0x416,
0x420,
0x430,
0x431,
0x432,
0x433,
0x434,
0x440
};
static void __iomem *lx_dsp_register(struct lx6464es *chip, int port)
{
void __iomem *base_address = chip->port_dsp_bar;
return base_address + dsp_port_offsets[port]*4;
}
unsigned long lx_dsp_reg_read(struct lx6464es *chip, int port)
{
void __iomem 