sound/drivers/vx/vx_hwdep.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Driver for Digigram VX soundcards
   4  *
   5  * DSP firmware management
   6  *
   7  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   8  */
   9
  10 #include <linux/device.h>
  11 #include <linux/firmware.h>
  12 #include <linux/slab.h>
  13 #include <linux/vmalloc.h>
  14 #include <linux/module.h>
  15 #include <sound/core.h>
  16 #include <sound/hwdep.h>
  17 #include <sound/vx_core.h>
  18
  19 /*(DEBLOBBED)*/
  20
  21 int snd_vx_setup_firmware(struct vx_core *chip)
  22 {
  23         static const char * const fw_files[VX_TYPE_NUMS][4] = {
  24                 [VX_TYPE_BOARD] = {
  25                         NULL, "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/",
  26                 },
  27                 [VX_TYPE_V2] = {
  28                         NULL, "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/",
  29                 },
  30                 [VX_TYPE_MIC] = {
  31                         NULL, "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/",
  32                 },
  33                 [VX_TYPE_VXPOCKET] = {
  34                         "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/"
  35                 },
  36                 [VX_TYPE_VXP440] = {
  37                         "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/", "/*(DEBLOBBED)*/"
  38                 },
  39         };
  40
  41         int i, err;
  42
  43         for (i = 0; i < 4; i++) {
  44                 char path[32];
  45                 const struct firmware *fw;
  46                 if (! fw_files[chip->type][i])
  47                         continue;
  48                 sprintf(path, "vx/%s", fw_files[chip->type][i]);
  49                 if (reject_firmware(&fw, path, chip->dev)) {
  50                         snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
  51                         return -ENOENT;
  52                 }
  53                 err = chip->ops->load_dsp(chip, i, fw);
  54                 if (err < 0) {
  55                         release_firmware(fw);
  56                         return err;
  57                 }
  58                 if (i == 1)
  59                         chip->chip_status |= VX_STAT_XILINX_LOADED;
  60 #ifdef CONFIG_PM
  61                 chip->firmware[i] = fw;
  62 #else
  63                 release_firmware(fw);
  64 #endif
  65         }
  66
  67         /* ok, we reached to the last one */
  68         /* create the devices if not built yet */
  69         err = snd_vx_pcm_new(chip);
  70         if (err < 0)
  71                 return err;
  72
  73         err = snd_vx_mixer_new(chip);
  74         if (err < 0)
  75                 return err;
  76
  77         if (chip->ops->add_controls) {
  78                 err = chip->ops->add_controls(chip);
  79                 if (err < 0)
  80                         return err;
  81         }
  82
  83         chip->chip_status |= VX_STAT_DEVICE_INIT;
  84         chip->chip_status |= VX_STAT_CHIP_INIT;
  85
  86         return snd_card_register(chip->card);
  87 }
  88
  89 /* exported */
  90 void snd_vx_free_firmware(struct vx_core *chip)
  91 {
  92 #ifdef CONFIG_PM
  93         int i;
  94         for (i = 0; i < 4; i++)
  95                 release_firmware(chip->firmware[i]);
  96 #endif
  97 }
  98
  99 EXPORT_SYMBOL(snd_vx_setup_firmware);
 100 EXPORT_SYMBOL(snd_vx_free_firmware);