259 lines
6.0 KiB
C
259 lines
6.0 KiB
C
/*
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* Driver for Digigram VX soundcards
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*
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* DSP firmware management
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*
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* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/device.h>
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#include <linux/firmware.h>
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#include <linux/vmalloc.h>
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#include <sound/core.h>
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#include <sound/hwdep.h>
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#include <sound/vx_core.h>
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#ifdef SND_VX_FW_LOADER
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MODULE_FIRMWARE("vx/bx_1_vxp.b56");
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MODULE_FIRMWARE("vx/bx_1_vp4.b56");
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MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
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MODULE_FIRMWARE("vx/x1_2_v22.xlx");
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MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
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MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
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MODULE_FIRMWARE("vx/bd56002.boot");
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MODULE_FIRMWARE("vx/bd563v2.boot");
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MODULE_FIRMWARE("vx/bd563s3.boot");
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MODULE_FIRMWARE("vx/l_1_vx2.d56");
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MODULE_FIRMWARE("vx/l_1_v22.d56");
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MODULE_FIRMWARE("vx/l_1_vxp.d56");
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MODULE_FIRMWARE("vx/l_1_vp4.d56");
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int snd_vx_setup_firmware(struct vx_core *chip)
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{
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static char *fw_files[VX_TYPE_NUMS][4] = {
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[VX_TYPE_BOARD] = {
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NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
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},
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[VX_TYPE_V2] = {
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NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
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},
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[VX_TYPE_MIC] = {
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NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
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},
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[VX_TYPE_VXPOCKET] = {
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"bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
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},
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[VX_TYPE_VXP440] = {
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"bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
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},
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};
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int i, err;
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for (i = 0; i < 4; i++) {
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char path[32];
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const struct firmware *fw;
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if (! fw_files[chip->type][i])
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continue;
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sprintf(path, "vx/%s", fw_files[chip->type][i]);
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if (request_firmware(&fw, path, chip->dev)) {
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snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
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return -ENOENT;
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}
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err = chip->ops->load_dsp(chip, i, fw);
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if (err < 0) {
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release_firmware(fw);
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return err;
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}
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if (i == 1)
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chip->chip_status |= VX_STAT_XILINX_LOADED;
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#ifdef CONFIG_PM
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chip->firmware[i] = fw;
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#else
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release_firmware(fw);
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#endif
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}
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/* ok, we reached to the last one */
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/* create the devices if not built yet */
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if ((err = snd_vx_pcm_new(chip)) < 0)
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return err;
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if ((err = snd_vx_mixer_new(chip)) < 0)
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return err;
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if (chip->ops->add_controls)
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if ((err = chip->ops->add_controls(chip)) < 0)
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return err;
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chip->chip_status |= VX_STAT_DEVICE_INIT;
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chip->chip_status |= VX_STAT_CHIP_INIT;
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return snd_card_register(chip->card);
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}
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/* exported */
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void snd_vx_free_firmware(struct vx_core *chip)
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{
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#ifdef CONFIG_PM
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int i;
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for (i = 0; i < 4; i++)
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release_firmware(chip->firmware[i]);
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#endif
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}
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#else /* old style firmware loading */
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static int vx_hwdep_dsp_status(struct snd_hwdep *hw,
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struct snd_hwdep_dsp_status *info)
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{
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static char *type_ids[VX_TYPE_NUMS] = {
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[VX_TYPE_BOARD] = "vxboard",
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[VX_TYPE_V2] = "vx222",
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[VX_TYPE_MIC] = "vx222",
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[VX_TYPE_VXPOCKET] = "vxpocket",
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[VX_TYPE_VXP440] = "vxp440",
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};
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struct vx_core *vx = hw->private_data;
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if (snd_BUG_ON(!type_ids[vx->type]))
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return -EINVAL;
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strcpy(info->id, type_ids[vx->type]);
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if (vx_is_pcmcia(vx))
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info->num_dsps = 4;
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else
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info->num_dsps = 3;
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if (vx->chip_status & VX_STAT_CHIP_INIT)
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info->chip_ready = 1;
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info->version = VX_DRIVER_VERSION;
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return 0;
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}
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static void free_fw(const struct firmware *fw)
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{
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if (fw) {
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vfree(fw->data);
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kfree(fw);
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}
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}
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static int vx_hwdep_dsp_load(struct snd_hwdep *hw,
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struct snd_hwdep_dsp_image *dsp)
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{
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struct vx_core *vx = hw->private_data;
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int index, err;
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struct firmware *fw;
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if (snd_BUG_ON(!vx->ops->load_dsp))
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return -ENXIO;
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fw = kmalloc(sizeof(*fw), GFP_KERNEL);
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if (! fw) {
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snd_printk(KERN_ERR "cannot allocate firmware\n");
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return -ENOMEM;
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}
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fw->size = dsp->length;
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fw->data = vmalloc(fw->size);
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if (! fw->data) {
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snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
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(int)fw->size);
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kfree(fw);
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return -ENOMEM;
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}
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if (copy_from_user((void *)fw->data, dsp->image, dsp->length)) {
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free_fw(fw);
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return -EFAULT;
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}
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index = dsp->index;
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if (! vx_is_pcmcia(vx))
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index++;
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err = vx->ops->load_dsp(vx, index, fw);
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if (err < 0) {
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free_fw(fw);
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return err;
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}
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#ifdef CONFIG_PM
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vx->firmware[index] = fw;
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#else
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free_fw(fw);
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#endif
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if (index == 1)
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vx->chip_status |= VX_STAT_XILINX_LOADED;
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if (index < 3)
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return 0;
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/* ok, we reached to the last one */
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/* create the devices if not built yet */
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if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) {
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if ((err = snd_vx_pcm_new(vx)) < 0)
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return err;
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if ((err = snd_vx_mixer_new(vx)) < 0)
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return err;
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if (vx->ops->add_controls)
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if ((err = vx->ops->add_controls(vx)) < 0)
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return err;
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if ((err = snd_card_register(vx->card)) < 0)
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return err;
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vx->chip_status |= VX_STAT_DEVICE_INIT;
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}
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vx->chip_status |= VX_STAT_CHIP_INIT;
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return 0;
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}
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/* exported */
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int snd_vx_setup_firmware(struct vx_core *chip)
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{
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int err;
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struct snd_hwdep *hw;
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if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0)
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return err;
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hw->iface = SNDRV_HWDEP_IFACE_VX;
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hw->private_data = chip;
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hw->ops.dsp_status = vx_hwdep_dsp_status;
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hw->ops.dsp_load = vx_hwdep_dsp_load;
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hw->exclusive = 1;
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sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
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chip->hwdep = hw;
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return snd_card_register(chip->card);
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}
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/* exported */
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void snd_vx_free_firmware(struct vx_core *chip)
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{
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#ifdef CONFIG_PM
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int i;
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for (i = 0; i < 4; i++)
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free_fw(chip->firmware[i]);
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#endif
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}
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#endif /* SND_VX_FW_LOADER */
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EXPORT_SYMBOL(snd_vx_setup_firmware);
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EXPORT_SYMBOL(snd_vx_free_firmware);
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