linux/sound/drivers/vx/vx_hwdep.c
<<
>>
Prefs
   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 <sound/core.h>
  28#include <sound/hwdep.h>
  29#include <sound/vx_core.h>
  30
  31#ifdef SND_VX_FW_LOADER
  32
  33MODULE_FIRMWARE("vx/bx_1_vxp.b56");
  34MODULE_FIRMWARE("vx/bx_1_vp4.b56");
  35MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
  36MODULE_FIRMWARE("vx/x1_2_v22.xlx");
  37MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
  38MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
  39MODULE_FIRMWARE("vx/bd56002.boot");
  40MODULE_FIRMWARE("vx/bd563v2.boot");
  41MODULE_FIRMWARE("vx/bd563s3.boot");
  42MODULE_FIRMWARE("vx/l_1_vx2.d56");
  43MODULE_FIRMWARE("vx/l_1_v22.d56");
  44MODULE_FIRMWARE("vx/l_1_vxp.d56");
  45MODULE_FIRMWARE("vx/l_1_vp4.d56");
  46
  47int snd_vx_setup_firmware(struct vx_core *chip)
  48{
  49        static char *fw_files[VX_TYPE_NUMS][4] = {
  50                [VX_TYPE_BOARD] = {
  51                        NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
  52                },
  53                [VX_TYPE_V2] = {
  54                        NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
  55                },
  56                [VX_TYPE_MIC] = {
  57                        NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
  58                },
  59                [VX_TYPE_VXPOCKET] = {
  60                        "bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
  61                },
  62                [VX_TYPE_VXP440] = {
  63                        "bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
  64                },
  65        };
  66
  67        int i, err;
  68
  69        for (i = 0; i < 4; i++) {
  70                char path[32];
  71                const struct firmware *fw;
  72                if (! fw_files[chip->type][i])
  73                        continue;
  74                sprintf(path, "vx/%s", fw_files[chip->type][i]);
  75                if (request_firmware(&fw, path, chip->dev)) {
  76                        snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
  77                        return -ENOENT;
  78                }
  79                err = chip->ops->load_dsp(chip, i, fw);
  80                if (err < 0) {
  81                        release_firmware(fw);
  82                        return err;
  83                }
  84                if (i == 1)
  85                        chip->chip_status |= VX_STAT_XILINX_LOADED;
  86#ifdef CONFIG_PM
  87                chip->firmware[i] = fw;
  88#else
  89                release_firmware(fw);
  90#endif
  91        }
  92
  93        /* ok, we reached to the last one */
  94        /* create the devices if not built yet */
  95        if ((err = snd_vx_pcm_new(chip)) < 0)
  96                return err;
  97
  98        if ((err = snd_vx_mixer_new(chip)) < 0)
  99                return err;
 100
 101        if (chip->ops->add_controls)
 102                if ((err = chip->ops->add_controls(chip)) < 0)
 103                        return err;
 104
 105        chip->chip_status |= VX_STAT_DEVICE_INIT;
 106        chip->chip_status |= VX_STAT_CHIP_INIT;
 107
 108        return snd_card_register(chip->card);
 109}
 110
 111/* exported */
 112void snd_vx_free_firmware(struct vx_core *chip)
 113{
 114#ifdef CONFIG_PM
 115        int i;
 116        for (i = 0; i < 4; i++)
 117                release_firmware(chip->firmware[i]);
 118#endif
 119}
 120
 121#else /* old style firmware loading */
 122
 123static int vx_hwdep_dsp_status(struct snd_hwdep *hw,
 124                               struct snd_hwdep_dsp_status *info)
 125{
 126        static char *type_ids[VX_TYPE_NUMS] = {
 127                [VX_TYPE_BOARD] = "vxboard",
 128                [VX_TYPE_V2] = "vx222",
 129                [VX_TYPE_MIC] = "vx222",
 130                [VX_TYPE_VXPOCKET] = "vxpocket",
 131                [VX_TYPE_VXP440] = "vxp440",
 132        };
 133        struct vx_core *vx = hw->private_data;
 134
 135        if (snd_BUG_ON(!type_ids[vx->type]))
 136                return -EINVAL;
 137        strcpy(info->id, type_ids[vx->type]);
 138        if (vx_is_pcmcia(vx))
 139                info->num_dsps = 4;
 140        else
 141                info->num_dsps = 3;
 142        if (vx->chip_status & VX_STAT_CHIP_INIT)
 143                info->chip_ready = 1;
 144        info->version = VX_DRIVER_VERSION;
 145        return 0;
 146}
 147
 148static void free_fw(const struct firmware *fw)
 149{
 150        if (fw) {
 151                vfree(fw->data);
 152                kfree(fw);
 153        }
 154}
 155
 156static int vx_hwdep_dsp_load(struct snd_hwdep *hw,
 157                             struct snd_hwdep_dsp_image *dsp)
 158{
 159        struct vx_core *vx = hw->private_data;
 160        int index, err;
 161        struct firmware *fw;
 162
 163        if (snd_BUG_ON(!vx->ops->load_dsp))
 164                return -ENXIO;
 165
 166        fw = kmalloc(sizeof(*fw), GFP_KERNEL);
 167        if (! fw) {
 168                snd_printk(KERN_ERR "cannot allocate firmware\n");
 169                return -ENOMEM;
 170        }
 171        fw->size = dsp->length;
 172        fw->data = vmalloc(fw->size);
 173        if (! fw->data) {
 174                snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
 175                           (int)fw->size);
 176                kfree(fw);
 177                return -ENOMEM;
 178        }
 179        if (copy_from_user((void *)fw->data, dsp->image, dsp->length)) {
 180                free_fw(fw);
 181                return -EFAULT;
 182        }
 183
 184        index = dsp->index;
 185        if (! vx_is_pcmcia(vx))
 186                index++;
 187        err = vx->ops->load_dsp(vx, index, fw);
 188        if (err < 0) {
 189                free_fw(fw);
 190                return err;
 191        }
 192#ifdef CONFIG_PM
 193        vx->firmware[index] = fw;
 194#else
 195        free_fw(fw);
 196#endif
 197
 198        if (index == 1)
 199                vx->chip_status |= VX_STAT_XILINX_LOADED;
 200        if (index < 3)
 201                return 0;
 202
 203        /* ok, we reached to the last one */
 204        /* create the devices if not built yet */
 205        if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) {
 206                if ((err = snd_vx_pcm_new(vx)) < 0)
 207                        return err;
 208
 209                if ((err = snd_vx_mixer_new(vx)) < 0)
 210                        return err;
 211
 212                if (vx->ops->add_controls)
 213                        if ((err = vx->ops->add_controls(vx)) < 0)
 214                                return err;
 215
 216                if ((err = snd_card_register(vx->card)) < 0)
 217                        return err;
 218
 219                vx->chip_status |= VX_STAT_DEVICE_INIT;
 220        }
 221        vx->chip_status |= VX_STAT_CHIP_INIT;
 222        return 0;
 223}
 224
 225
 226/* exported */
 227int snd_vx_setup_firmware(struct vx_core *chip)
 228{
 229        int err;
 230        struct snd_hwdep *hw;
 231
 232        if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0)
 233                return err;
 234
 235        hw->iface = SNDRV_HWDEP_IFACE_VX;
 236        hw->private_data = chip;
 237        hw->ops.dsp_status = vx_hwdep_dsp_status;
 238        hw->ops.dsp_load = vx_hwdep_dsp_load;
 239        hw->exclusive = 1;
 240        sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
 241        chip->hwdep = hw;
 242
 243        return snd_card_register(chip->card);
 244}
 245
 246/* exported */
 247void snd_vx_free_firmware(struct vx_core *chip)
 248{
 249#ifdef CONFIG_PM
 250        int i;
 251        for (i = 0; i < 4; i++)
 252                free_fw(chip->firmware[i]);
 253#endif
 254}
 255
 256#endif /* SND_VX_FW_LOADER */
 257
 258EXPORT_SYMBOL(snd_vx_setup_firmware);
 259EXPORT_SYMBOL(snd_vx_free_firmware);
 260