2 * Driver for Digigram VX soundcards
4 * DSP firmware management
6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
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.
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.
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
23 #include <sound/driver.h>
24 #include <linux/device.h>
25 #include <linux/firmware.h>
26 #include <sound/core.h>
27 #include <sound/hwdep.h>
28 #include <sound/vx_core.h>
30 #ifdef SND_VX_FW_LOADER
32 int snd_vx_setup_firmware(vx_core_t *chip)
34 static char *fw_files[VX_TYPE_NUMS][4] = {
36 NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
39 NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
42 NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
44 [VX_TYPE_VXPOCKET] = {
45 "bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
48 "bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
54 for (i = 0; i < 4; i++) {
56 const struct firmware *fw;
57 if (! fw_files[chip->type][i])
59 sprintf(path, "vx/%s", fw_files[chip->type][i]);
60 if (request_firmware(&fw, path, chip->dev)) {
61 snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
64 err = chip->ops->load_dsp(chip, i, fw);
70 chip->chip_status |= VX_STAT_XILINX_LOADED;
72 chip->firmware[i] = fw;
78 /* ok, we reached to the last one */
79 /* create the devices if not built yet */
80 if ((err = snd_vx_pcm_new(chip)) < 0)
83 if ((err = snd_vx_mixer_new(chip)) < 0)
86 if (chip->ops->add_controls)
87 if ((err = chip->ops->add_controls(chip)) < 0)
90 chip->chip_status |= VX_STAT_DEVICE_INIT;
91 chip->chip_status |= VX_STAT_CHIP_INIT;
93 return snd_card_register(chip->card);
97 void snd_vx_free_firmware(vx_core_t *chip)
101 for (i = 0; i < 4; i++)
102 release_firmware(chip->firmware[i]);
106 #else /* old style firmware loading */
108 static int vx_hwdep_open(snd_hwdep_t *hw, struct file *file)
113 static int vx_hwdep_release(snd_hwdep_t *hw, struct file *file)
118 static int vx_hwdep_dsp_status(snd_hwdep_t *hw, snd_hwdep_dsp_status_t *info)
120 static char *type_ids[VX_TYPE_NUMS] = {
121 [VX_TYPE_BOARD] = "vxboard",
122 [VX_TYPE_V2] = "vx222",
123 [VX_TYPE_MIC] = "vx222",
124 [VX_TYPE_VXPOCKET] = "vxpocket",
125 [VX_TYPE_VXP440] = "vxp440",
127 vx_core_t *vx = hw->private_data;
129 snd_assert(type_ids[vx->type], return -EINVAL);
130 strcpy(info->id, type_ids[vx->type]);
131 if (vx_is_pcmcia(vx))
135 if (vx->chip_status & VX_STAT_CHIP_INIT)
136 info->chip_ready = 1;
137 info->version = VX_DRIVER_VERSION;
141 static void free_fw(const struct firmware *fw)
149 static int vx_hwdep_dsp_load(snd_hwdep_t *hw, snd_hwdep_dsp_image_t *dsp)
151 vx_core_t *vx = hw->private_data;
155 snd_assert(vx->ops->load_dsp, return -ENXIO);
157 fw = kmalloc(sizeof(*fw), GFP_KERNEL);
159 snd_printk(KERN_ERR "cannot allocate firmware\n");
162 fw->size = dsp->length;
163 fw->data = vmalloc(fw->size);
165 snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
170 if (copy_from_user(fw->data, dsp->image, dsp->length)) {
176 if (! vx_is_pcmcia(vx))
178 err = vx->ops->load_dsp(vx, index, fw);
184 vx->firmware[index] = fw;
190 vx->chip_status |= VX_STAT_XILINX_LOADED;
194 /* ok, we reached to the last one */
195 /* create the devices if not built yet */
196 if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) {
197 if ((err = snd_vx_pcm_new(vx)) < 0)
200 if ((err = snd_vx_mixer_new(vx)) < 0)
203 if (vx->ops->add_controls)
204 if ((err = vx->ops->add_controls(vx)) < 0)
207 if ((err = snd_card_register(vx->card)) < 0)
210 vx->chip_status |= VX_STAT_DEVICE_INIT;
212 vx->chip_status |= VX_STAT_CHIP_INIT;
218 int snd_vx_setup_firmware(vx_core_t *chip)
223 if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0)
226 hw->iface = SNDRV_HWDEP_IFACE_VX;
227 hw->private_data = chip;
228 hw->ops.open = vx_hwdep_open;
229 hw->ops.release = vx_hwdep_release;
230 hw->ops.dsp_status = vx_hwdep_dsp_status;
231 hw->ops.dsp_load = vx_hwdep_dsp_load;
233 sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
236 return snd_card_register(chip->card);
240 void snd_vx_free_firmware(vx_core_t *chip)
244 for (i = 0; i < 4; i++)
245 free_fw(chip->firmware[i]);
249 #endif /* SND_VX_FW_LOADER */