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 */