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/vmalloc.h>
  26 #include <sound/core.h>
  27 #include <sound/hwdep.h>
  28 #include <sound/vx_core.h>
  29
  30 #ifdef SND_VX_FW_LOADER
  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 #else /* old style firmware loading */
 121
 122 static int vx_hwdep_open(struct snd_hwdep *hw, struct file *file)
 123 {
 124         return 0;
 125 }
 126
 127 static int vx_hwdep_release(struct snd_hwdep *hw, struct file *file)
 128 {
 129         return 0;
 130 }
 131
 132 static int vx_hwdep_dsp_status(struct snd_hwdep *hw,
 133                                struct snd_hwdep_dsp_status *info)
 134 {
 135         static char *type_ids[VX_TYPE_NUMS] = {
 136                 [VX_TYPE_BOARD] = "vxboard",
 137                 [VX_TYPE_V2] = "vx222",
 138                 [VX_TYPE_MIC] = "vx222",
 139                 [VX_TYPE_VXPOCKET] = "vxpocket",
 140                 [VX_TYPE_VXP440] = "vxp440",
 141         };
 142         struct vx_core *vx = hw->private_data;
 143
 144         snd_assert(type_ids[vx->type], return -EINVAL);
 145         strcpy(info->id, type_ids[vx->type]);
 146         if (vx_is_pcmcia(vx))
 147                 info->num_dsps = 4;
 148         else
 149                 info->num_dsps = 3;
 150         if (vx->chip_status & VX_STAT_CHIP_INIT)
 151                 info->chip_ready = 1;
 152         info->version = VX_DRIVER_VERSION;
 153         return 0;
 154 }
 155
 156 static void free_fw(const struct firmware *fw)
 157 {
 158         if (fw) {
 159                 vfree(fw->data);
 160                 kfree(fw);
 161         }
 162 }
 163
 164 static int vx_hwdep_dsp_load(struct snd_hwdep *hw,
 165                              struct snd_hwdep_dsp_image *dsp)
 166 {
 167         struct vx_core *vx = hw->private_data;
 168         int index, err;
 169         struct firmware *fw;
 170
 171         snd_assert(vx->ops->load_dsp, return -ENXIO);
 172
 173         fw = kmalloc(sizeof(*fw), GFP_KERNEL);
 174         if (! fw) {
 175                 snd_printk(KERN_ERR "cannot allocate firmware\n");
 176                 return -ENOMEM;
 177         }
 178         fw->size = dsp->length;
 179         fw->data = vmalloc(fw->size);
 180         if (! fw->data) {
 181                 snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
 182                            (int)fw->size);
 183                 kfree(fw);
 184                 return -ENOMEM;
 185         }
 186         if (copy_from_user((void *)fw->data, dsp->image, dsp->length)) {
 187                 free_fw(fw);
 188                 return -EFAULT;
 189         }
 190
 191         index = dsp->index;
 192         if (! vx_is_pcmcia(vx))
 193                 index++;
 194         err = vx->ops->load_dsp(vx, index, fw);
 195         if (err < 0) {
 196                 free_fw(fw);
 197                 return err;
 198         }
 199 #ifdef CONFIG_PM
 200         vx->firmware[index] = fw;
 201 #else
 202         free_fw(fw);
 203 #endif
 204
 205         if (index == 1)
 206                 vx->chip_status |= VX_STAT_XILINX_LOADED;
 207         if (index < 3)
 208                 return 0;
 209
 210         /* ok, we reached to the last one */
 211         /* create the devices if not built yet */
 212         if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) {
 213                 if ((err = snd_vx_pcm_new(vx)) < 0)
 214                         return err;
 215
 216                 if ((err = snd_vx_mixer_new(vx)) < 0)
 217                         return err;
 218
 219                 if (vx->ops->add_controls)
 220                         if ((err = vx->ops->add_controls(vx)) < 0)
 221                                 return err;
 222
 223                 if ((err = snd_card_register(vx->card)) < 0)
 224                         return err;
 225
 226                 vx->chip_status |= VX_STAT_DEVICE_INIT;
 227         }
 228         vx->chip_status |= VX_STAT_CHIP_INIT;
 229         return 0;
 230 }
 231
 232
 233 /* exported */
 234 int snd_vx_setup_firmware(struct vx_core *chip)
 235 {
 236         int err;
 237         struct snd_hwdep *hw;
 238
 239         if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0)
 240                 return err;
 241
 242         hw->iface = SNDRV_HWDEP_IFACE_VX;
 243         hw->private_data = chip;
 244         hw->ops.open = vx_hwdep_open;
 245         hw->ops.release = vx_hwdep_release;
 246         hw->ops.dsp_status = vx_hwdep_dsp_status;
 247         hw->ops.dsp_load = vx_hwdep_dsp_load;
 248         hw->exclusive = 1;
 249         sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
 250         chip->hwdep = hw;
 251
 252         return snd_card_register(chip->card);
 253 }
 254
 255 /* exported */
 256 void snd_vx_free_firmware(struct vx_core *chip)
 257 {
 258 #ifdef CONFIG_PM
 259         int i;
 260         for (i = 0; i < 4; i++)
 261                 free_fw(chip->firmware[i]);
 262 #endif
 263 }
 264
 265 #endif /* SND_VX_FW_LOADER */
 266
 267 EXPORT_SYMBOL(snd_vx_setup_firmware);
 268 EXPORT_SYMBOL(snd_vx_free_firmware);