/* * Driver for Digigram VX soundcards * * hwdep device manager * * Copyright (c) 2002 by Takashi Iwai * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include static int vx_hwdep_open(snd_hwdep_t *hw, struct file *file) { return 0; } static int vx_hwdep_release(snd_hwdep_t *hw, struct file *file) { return 0; } static int vx_hwdep_dsp_status(snd_hwdep_t *hw, snd_hwdep_dsp_status_t *info) { static char *type_ids[VX_TYPE_NUMS] = { [VX_TYPE_BOARD] = "vxboard", [VX_TYPE_V2] = "vx222", [VX_TYPE_MIC] = "vx222", [VX_TYPE_VXPOCKET] = "vxpocket", [VX_TYPE_VXP440] = "vxp440", }; vx_core_t *vx = snd_magic_cast(vx_core_t, hw->private_data, return -ENXIO); snd_assert(type_ids[vx->type], return -EINVAL); strcpy(info->id, type_ids[vx->type]); if (vx_is_pcmcia(vx)) info->num_dsps = 4; else info->num_dsps = 3; if (vx->chip_status & VX_STAT_CHIP_INIT) info->chip_ready = 1; info->version = VX_DRIVER_VERSION; return 0; } static int vx_hwdep_dsp_load(snd_hwdep_t *hw, snd_hwdep_dsp_image_t *dsp) { vx_core_t *vx = snd_magic_cast(vx_core_t, hw->private_data, return -ENXIO); int index, err; snd_assert(vx->ops->load_dsp, return -ENXIO); err = vx->ops->load_dsp(vx, dsp); if (err < 0) return err; index = dsp->index; if (! vx_is_pcmcia(vx)) index++; if (index == 1) vx->chip_status |= VX_STAT_XILINX_LOADED; if (index < 3) return 0; /* ok, we reached to the last one */ /* create the devices if not built yet */ if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) { if ((err = snd_vx_pcm_new(vx)) < 0) return err; if ((err = snd_vx_mixer_new(vx)) < 0) return err; if (vx->ops->add_controls) if ((err = vx->ops->add_controls(vx)) < 0) return err; if ((err = snd_card_register(vx->card)) < 0) return err; vx->chip_status |= VX_STAT_DEVICE_INIT; } vx->chip_status |= VX_STAT_CHIP_INIT; return 0; } /* exported */ int snd_vx_hwdep_new(vx_core_t *chip) { int err; snd_hwdep_t *hw; if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0) return err; hw->iface = SNDRV_HWDEP_IFACE_VX; hw->private_data = chip; hw->ops.open = vx_hwdep_open; hw->ops.release = vx_hwdep_release; hw->ops.dsp_status = vx_hwdep_dsp_status; hw->ops.dsp_load = vx_hwdep_dsp_load; hw->exclusive = 1; sprintf(hw->name, "VX Loader (%s)", chip->card->driver); chip->hwdep = hw; return 0; }