/*
* Driver for Digigram VX soundcards
*
- * hwdep device manager
+ * DSP firmware management
*
* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
*
*/
#include <sound/driver.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;
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);
- err = vx->ops->load_dsp(vx, dsp);
- if (err < 0)
- return err;
+
+ 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)
/* exported */
-int snd_vx_hwdep_new(vx_core_t *chip)
+int snd_vx_setup_firmware(vx_core_t *chip)
{
int err;
snd_hwdep_t *hw;
sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
chip->hwdep = hw;
- return 0;
+ 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 */