kernel/sound/drivers/vx/vx_hwdep.c

   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
  32 MODULE_FIRMWARE("vx/bx_1_vxp.b56");
  33 MODULE_FIRMWARE("vx/bx_1_vp4.b56");
  34 MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
  35 MODULE_FIRMWARE("vx/x1_2_v22.xlx");
  36 MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
  37 MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
  38 MODULE_FIRMWARE("vx/bd56002.boot");
  39 MODULE_FIRMWARE("vx/bd563v2.boot");
  40 MODULE_FIRMWARE("vx/bd563s3.boot");
  41 MODULE_FIRMWARE("vx/l_1_vx2.d56");
  42 MODULE_FIRMWARE("vx/l_1_v22.d56");
  43 MODULE_FIRMWARE("vx/l_1_vxp.d56");
  44 MODULE_FIRMWARE("vx/l_1_vp4.d56");
  45
  46 int 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 */
 111 void 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
 120 EXPORT_SYMBOL(snd_vx_setup_firmware);
 121 EXPORT_SYMBOL(snd_vx_free_firmware);