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path: root/sound/drivers/vx/vx_hwdep.c
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Diffstat (limited to 'sound/drivers/vx/vx_hwdep.c')
-rw-r--r--sound/drivers/vx/vx_hwdep.c249
1 files changed, 249 insertions, 0 deletions
diff --git a/sound/drivers/vx/vx_hwdep.c b/sound/drivers/vx/vx_hwdep.c
new file mode 100644
index 000000000000..9a3dc3c3b3de
--- /dev/null
+++ b/sound/drivers/vx/vx_hwdep.c
@@ -0,0 +1,249 @@
+/*
+ * Driver for Digigram VX soundcards
+ *
+ * DSP firmware management
+ *
+ * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
+ *
+ * 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 <sound/driver.h>
+#include <linux/device.h>
+#include <linux/firmware.h>
+#include <sound/core.h>
+#include <sound/hwdep.h>
+#include <sound/vx_core.h>
+
+#ifdef SND_VX_FW_LOADER
+
+int snd_vx_setup_firmware(vx_core_t *chip)
+{
+ static char *fw_files[VX_TYPE_NUMS][4] = {
+ [VX_TYPE_BOARD] = {
+ NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
+ },
+ [VX_TYPE_V2] = {
+ NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
+ },
+ [VX_TYPE_MIC] = {
+ NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
+ },
+ [VX_TYPE_VXPOCKET] = {
+ "bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
+ },
+ [VX_TYPE_VXP440] = {
+ "bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
+ },
+ };
+
+ int i, err;
+
+ for (i = 0; i < 4; i++) {
+ char path[32];
+ const struct firmware *fw;
+ if (! fw_files[chip->type][i])
+ continue;
+ sprintf(path, "vx/%s", fw_files[chip->type][i]);
+ if (request_firmware(&fw, path, chip->dev)) {
+ snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
+ return -ENOENT;
+ }
+ err = chip->ops->load_dsp(chip, i, fw);
+ if (err < 0) {
+ release_firmware(fw);
+ return err;
+ }
+ if (i == 1)
+ chip->chip_status |= VX_STAT_XILINX_LOADED;
+#ifdef CONFIG_PM
+ chip->firmware[i] = fw;
+#else
+ release_firmware(fw);
+#endif
+ }
+
+ /* ok, we reached to the last one */
+ /* create the devices if not built yet */
+ if ((err = snd_vx_pcm_new(chip)) < 0)
+ return err;
+
+ if ((err = snd_vx_mixer_new(chip)) < 0)
+ return err;
+
+ if (chip->ops->add_controls)
+ if ((err = chip->ops->add_controls(chip)) < 0)
+ return err;
+
+ chip->chip_status |= VX_STAT_DEVICE_INIT;
+ chip->chip_status |= VX_STAT_CHIP_INIT;
+
+ return snd_card_register(chip->card);
+}
+
+/* exported */
+void snd_vx_free_firmware(vx_core_t *chip)
+{
+#ifdef CONFIG_PM
+ int i;
+ for (i = 0; i < 4; i++)
+ release_firmware(chip->firmware[i]);
+#endif
+}
+
+#else /* old style firmware loading */
+
+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 = hw->private_data;
+
+ 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 void free_fw(const struct firmware *fw)
+{
+ if (fw) {
+ vfree(fw->data);
+ kfree(fw);
+ }
+}
+
+static int vx_hwdep_dsp_load(snd_hwdep_t *hw, snd_hwdep_dsp_image_t *dsp)
+{
+ vx_core_t *vx = hw->private_data;
+ int index, err;
+ struct firmware *fw;
+
+ snd_assert(vx->ops->load_dsp, return -ENXIO);
+
+ fw = kmalloc(sizeof(*fw), GFP_KERNEL);
+ if (! fw) {
+ snd_printk(KERN_ERR "cannot allocate firmware\n");
+ return -ENOMEM;
+ }
+ fw->size = dsp->length;
+ fw->data = vmalloc(fw->size);
+ if (! fw->data) {
+ snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
+ (int)fw->size);
+ kfree(fw);
+ return -ENOMEM;
+ }
+ if (copy_from_user(fw->data, dsp->image, dsp->length)) {
+ free_fw(fw);
+ return -EFAULT;
+ }
+
+ index = dsp->index;
+ if (! vx_is_pcmcia(vx))
+ index++;
+ err = vx->ops->load_dsp(vx, index, fw);
+ if (err < 0) {
+ free_fw(fw);
+ return err;
+ }
+#ifdef CONFIG_PM
+ vx->firmware[index] = fw;
+#else
+ free_fw(fw);
+#endif
+
+ 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_setup_firmware(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 snd_card_register(chip->card);
+}
+
+/* exported */
+void snd_vx_free_firmware(vx_core_t *chip)
+{
+#ifdef CONFIG_PM
+ int i;
+ for (i = 0; i < 4; i++)
+ free_fw(chip->firmware[i]);
+#endif
+}
+
+#endif /* SND_VX_FW_LOADER */
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