LXR linux/sound/drivers/vx/vx

   1/*
   2 * Driver for Digigram VX soundcards
   3 *
   4 * DSP firmware management
   5 *
   6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   7 *
   8 *   This program is free software; you can redistribute it and/or modify
   9 *   it under the terms of the GNU General Public License as published by
  10 *   the Free Software Foundation; either version 2 of the License, or
  11 *   (at your option) any later version.
  12 *
  13 *   This program is distributed in the hope that it will be useful,
  14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 *   GNU General Public License for more details.
  17 *
  18 *   You should have received a copy of the GNU General Public License
  19 *   along with this program; if not, write to the Free Software
  20 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21 */
  22
  23#include <linux/device.h>
  24#include <linux/firmware.h>
  25#include <linux/slab.h>
  26#include <linux/vmalloc.h>
  27#include <linux/module.h>
  28#include <sound/core.h>
  29#include <sound/hwdep.h>
  30#include <sound/vx_core.h>
  31
  32MODULE_FIRMWARE("vx/bx_1_vxp.b56");
  33MODULE_FIRMWARE("vx/bx_1_vp4.b56");
  34MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
  35MODULE_FIRMWARE("vx/x1_2_v22.xlx");
  36MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
  37MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
  38MODULE_FIRMWARE("vx/bd56002.boot");
  39MODULE_FIRMWARE("vx/bd563v2.boot");
  40MODULE_FIRMWARE("vx/bd563s3.boot");
  41MODULE_FIRMWARE("vx/l_1_vx2.d56");
  42MODULE_FIRMWARE("vx/l_1_v22.d56");
  43MODULE_FIRMWARE("vx/l_1_vxp.d56");
  44MODULE_FIRMWARE("vx/l_1_vp4.d56");
  45
  46int snd_vx_setup_firmware(struct vx_core *chip)
  47{
  48        static char *fw_files[VX_TYPE_NUMS][4] = {
  49                [VX_TYPE_BOARD] = {
  50                        NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
  51                },
  52                [VX_TYPE_V2] = {
  53                        NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
  54                },
  55                [VX_TYPE_MIC] = {
  56                        NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
  57                },
  58                [VX_TYPE_VXPOCKET] = {
  59                        "bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
  60                },
  61                [VX_TYPE_VXP440] = {
  62                        "bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
  63                },
  64        };
  65
  66        int i, err;
  67
  68        for (i = 0; i < 4; i++) {
  69                char path[32];
  70                const struct firmware *fw;
  71                if (! fw_files[chip->type][i])
  72                        continue;
  73                sprintf(path, "vx/%s", fw_files[chip->type][i]);
  74                if (request_firmware(&fw, path, chip->dev)) {
  75                        snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
  76                        return -ENOENT;
  77                }
  78                err = chip->ops->load_dsp(chip, i, fw);
  79                if (err < 0) {
  80                        release_firmware(fw);
  81                        return err;
  82                }
  83                if (i == 1)
  84                        chip->chip_status |= VX_STAT_XILINX_LOADED;
  85#ifdef CONFIG_PM
  86                chip->firmware[i] = fw;
  87#else
  88                release_firmware(fw);
  89#endif
  90        }
  91
  92        /* ok, we reached to the last one */
  93        /* create the devices if not built yet */
  94        if ((err = snd_vx_pcm_new(chip)) < 0)
  95                return err;
  96
  97        if ((err = snd_vx_mixer_new(chip)) < 0)
  98                return err;
  99
 100        if (chip->ops->add_controls)
 101                if ((err = chip->ops->add_controls(chip)) < 0)
 102                        return err;
 103
 104        chip->chip_status |= VX_STAT_DEVICE_INIT;
 105        chip->chip_status |= VX_STAT_CHIP_INIT;
 106
 107        return snd_card_register(chip->card);
 108}
 109
 110/* exported */
 111void snd_vx_free_firmware(struct vx_core *chip)
 112{
 113#ifdef CONFIG_PM
 114        int i;
 115        for (i = 0; i < 4; i++)
 116                release_firmware(chip->firmware[i]);
 117#endif
 118}
 119
 120EXPORT_SYMBOL(snd_vx_setup_firmware);
 121EXPORT_SYMBOL(snd_vx_free_firmware);
 122