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 #ifdef SND_VX_FW_LOADER
  33
  34 MODULE_FIRMWARE("vx/bx_1_vxp.b56");
  35 MODULE_FIRMWARE("vx/bx_1_vp4.b56");
  36 MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
  37 MODULE_FIRMWARE("vx/x1_2_v22.xlx");
  38 MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
  39 MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
  40 MODULE_FIRMWARE("vx/bd56002.boot");
  41 MODULE_FIRMWARE("vx/bd563v2.boot");
  42 MODULE_FIRMWARE("vx/bd563s3.boot");
  43 MODULE_FIRMWARE("vx/l_1_vx2.d56");
  44 MODULE_FIRMWARE("vx/l_1_v22.d56");
  45 MODULE_FIRMWARE("vx/l_1_vxp.d56");
  46 MODULE_FIRMWARE("vx/l_1_vp4.d56");
  47
  48 int snd_vx_setup_firmware(struct vx_core *chip)
  49 {
  50         static char *fw_files[VX_TYPE_NUMS][4] = {
  51                 [VX_TYPE_BOARD] = {
  52                         NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
  53                 },
  54                 [VX_TYPE_V2] = {
  55                         NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
  56                 },
  57                 [VX_TYPE_MIC] = {
  58                         NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
  59                 },
  60                 [VX_TYPE_VXPOCKET] = {
  61                         "bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
  62                 },
  63                 [VX_TYPE_VXP440] = {
  64                         "bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
  65                 },
  66         };
  67
  68         int i, err;
  69
  70         for (i = 0; i < 4; i++) {
  71                 char path[32];
  72                 const struct firmware *fw;
  73                 if (! fw_files[chip->type][i])
  74                         continue;
  75                 sprintf(path, "vx/%s", fw_files[chip->type][i]);
  76                 if (request_firmware(&fw, path, chip->dev)) {
  77                         snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
  78                         return -ENOENT;
  79                 }
  80                 err = chip->ops->load_dsp(chip, i, fw);
  81                 if (err < 0) {
  82                         release_firmware(fw);
  83                         return err;
  84                 }
  85                 if (i == 1)
  86                         chip->chip_status |= VX_STAT_XILINX_LOADED;
  87 #ifdef CONFIG_PM
  88                 chip->firmware[i] = fw;
  89 #else
  90                 release_firmware(fw);
  91 #endif
  92         }
  93
  94         /* ok, we reached to the last one */
  95         /* create the devices if not built yet */
  96         if ((err = snd_vx_pcm_new(chip)) < 0)
  97                 return err;
  98
  99         if ((err = snd_vx_mixer_new(chip)) < 0)
 100                 return err;
 101
 102         if (chip->ops->add_controls)
 103                 if ((err = chip->ops->add_controls(chip)) < 0)
 104                         return err;
 105
 106         chip->chip_status |= VX_STAT_DEVICE_INIT;
 107         chip->chip_status |= VX_STAT_CHIP_INIT;
 108
 109         return snd_card_register(chip->card);
 110 }
 111
 112 /* exported */
 113 void snd_vx_free_firmware(struct vx_core *chip)
 114 {
 115 #ifdef CONFIG_PM
 116         int i;
 117         for (i = 0; i < 4; i++)
 118                 release_firmware(chip->firmware[i]);
 119 #endif
 120 }
 121
 122 #else /* old style firmware loading */
 123
 124 static int vx_hwdep_dsp_status(struct snd_hwdep *hw,
 125                                struct snd_hwdep_dsp_status *info)
 126 {
 127         static char *type_ids[VX_TYPE_NUMS] = {
 128                 [VX_TYPE_BOARD] = "vxboard",
 129                 [VX_TYPE_V2] = "vx222",
 130                 [VX_TYPE_MIC] = "vx222",
 131                 [VX_TYPE_VXPOCKET] = "vxpocket",
 132                 [VX_TYPE_VXP440] = "vxp440",
 133         };
 134         struct vx_core *vx = hw->private_data;
 135
 136         if (snd_BUG_ON(!type_ids[vx->type]))
 137                 return -EINVAL;
 138         strcpy(info->id, type_ids[vx->type]);
 139         if (vx_is_pcmcia(vx))
 140                 info->num_dsps = 4;
 141         else
 142                 info->num_dsps = 3;
 143         if (vx->chip_status & VX_STAT_CHIP_INIT)
 144                 info->chip_ready = 1;
 145         info->version = VX_DRIVER_VERSION;
 146         return 0;
 147 }
 148
 149 static void free_fw(const struct firmware *fw)
 150 {
 151         if (fw) {
 152                 vfree(fw->data);
 153                 kfree(fw);
 154         }
 155 }
 156
 157 static int vx_hwdep_dsp_load(struct snd_hwdep *hw,
 158                              struct snd_hwdep_dsp_image *dsp)
 159 {
 160         struct vx_core *vx = hw->private_data;
 161         int index, err;
 162         struct firmware *fw;
 163
 164         if (snd_BUG_ON(!vx->ops->load_dsp))
 165                 return -ENXIO;
 166
 167         fw = kmalloc(sizeof(*fw), GFP_KERNEL);
 168         if (! fw) {
 169                 snd_printk(KERN_ERR "cannot allocate firmware\n");
 170                 return -ENOMEM;
 171         }
 172         fw->size = dsp->length;
 173         fw->data = vmalloc(fw->size);
 174         if (! fw->data) {
 175                 snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
 176                            (int)fw->size);
 177                 kfree(fw);
 178                 return -ENOMEM;
 179         }
 180         if (copy_from_user((void *)fw->data, dsp->image, dsp->length)) {
 181                 free_fw(fw);
 182                 return -EFAULT;
 183         }
 184
 185         index = dsp->index;
 186         if (! vx_is_pcmcia(vx))
 187                 index++;
 188         err = vx->ops->load_dsp(vx, index, fw);
 189         if (err < 0) {
 190                 free_fw(fw);
 191                 return err;
 192         }
 193 #ifdef CONFIG_PM
 194         vx->firmware[index] = fw;
 195 #else
 196         free_fw(fw);
 197 #endif
 198
 199         if (index == 1)
 200                 vx->chip_status |= VX_STAT_XILINX_LOADED;
 201         if (index < 3)
 202                 return 0;
 203
 204         /* ok, we reached to the last one */
 205         /* create the devices if not built yet */
 206         if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) {
 207                 if ((err = snd_vx_pcm_new(vx)) < 0)
 208                         return err;
 209
 210                 if ((err = snd_vx_mixer_new(vx)) < 0)
 211                         return err;
 212
 213                 if (vx->ops->add_controls)
 214                         if ((err = vx->ops->add_controls(vx)) < 0)
 215                                 return err;
 216
 217                 if ((err = snd_card_register(vx->card)) < 0)
 218                         return err;
 219
 220                 vx->chip_status |= VX_STAT_DEVICE_INIT;
 221         }
 222         vx->chip_status |= VX_STAT_CHIP_INIT;
 223         return 0;
 224 }
 225
 226
 227 /* exported */
 228 int snd_vx_setup_firmware(struct vx_core *chip)
 229 {
 230         int err;
 231         struct snd_hwdep *hw;
 232
 233         if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0)
 234                 return err;
 235
 236         hw->iface = SNDRV_HWDEP_IFACE_VX;
 237         hw->private_data = chip;
 238         hw->ops.dsp_status = vx_hwdep_dsp_status;
 239         hw->ops.dsp_load = vx_hwdep_dsp_load;
 240         hw->exclusive = 1;
 241         sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
 242         chip->hwdep = hw;
 243
 244         return snd_card_register(chip->card);
 245 }
 246
 247 /* exported */
 248 void snd_vx_free_firmware(struct vx_core *chip)
 249 {
 250 #ifdef CONFIG_PM
 251         int i;
 252         for (i = 0; i < 4; i++)
 253                 free_fw(chip->firmware[i]);
 254 #endif
 255 }
 256
 257 #endif /* SND_VX_FW_LOADER */
 258
 259 EXPORT_SYMBOL(snd_vx_setup_firmware);
 260 EXPORT_SYMBOL(snd_vx_free_firmware);