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 <linux/vmalloc.h>
27 #include <sound/core.h>
28 #include <sound/hwdep.h>
29 #include <sound/vx_core.h>
31 #ifdef SND_VX_FW_LOADER
33 int snd_vx_setup_firmware(vx_core_t *chip)
35 static char *fw_files[VX_TYPE_NUMS][4] = {
37 NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
40 NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
43 NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
45 [VX_TYPE_VXPOCKET] = {
46 "bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
49 "bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
55 for (i = 0; i < 4; i++) {
57 const struct firmware *fw;
58 if (! fw_files[chip->type][i])
60 sprintf(path, "vx/%s", fw_files[chip->type][i]);
61 if (request_firmware(&fw, path, chip->dev)) {
62 snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
65 err = chip->ops->load_dsp(chip, i, fw);
71 chip->chip_status |= VX_STAT_XILINX_LOADED;
73 chip->firmware[i] = fw;
79 /* ok, we reached to the last one */
80 /* create the devices if not built yet */
81 if ((err = snd_vx_pcm_new(chip)) < 0)
84 if ((err = snd_vx_mixer_new(chip)) < 0)
87 if (chip->ops->add_controls)
88 if ((err = chip->ops->add_controls(chip)) < 0)
91 chip->chip_status |= VX_STAT_DEVICE_INIT;
92 chip->chip_status |= VX_STAT_CHIP_INIT;
94 return snd_card_register(chip->card);
98 void snd_vx_free_firmware(vx_core_t *chip)
102 for (i = 0; i < 4; i++)
103 release_firmware(chip->firmware[i]);
107 #else /* old style firmware loading */
109 static int vx_hwdep_open(snd_hwdep_t *hw, struct file *file)
114 static int vx_hwdep_release(snd_hwdep_t *hw, struct file *file)
119 static int vx_hwdep_dsp_status(snd_hwdep_t *hw, snd_hwdep_dsp_status_t *info)
121 static char *type_ids[VX_TYPE_NUMS] = {
122 [VX_TYPE_BOARD] = "vxboard",
123 [VX_TYPE_V2] = "vx222",
124 [VX_TYPE_MIC] = "vx222",
125 [VX_TYPE_VXPOCKET] = "vxpocket",
126 [VX_TYPE_VXP440] = "vxp440",
128 vx_core_t *vx = hw->private_data;
130 snd_assert(type_ids[vx->type], return -EINVAL);
131 strcpy(info->id, type_ids[vx->type]);
132 if (vx_is_pcmcia(vx))
136 if (vx->chip_status & VX_STAT_CHIP_INIT)
137 info->chip_ready = 1;
138 info->version = VX_DRIVER_VERSION;
142 static void free_fw(const struct firmware *fw)
150 static int vx_hwdep_dsp_load(snd_hwdep_t *hw, snd_hwdep_dsp_image_t *dsp)
152 vx_core_t *vx = hw->private_data;
156 snd_assert(vx->ops->load_dsp, return -ENXIO);
158 fw = kmalloc(sizeof(*fw), GFP_KERNEL);
160 snd_printk(KERN_ERR "cannot allocate firmware\n");
163 fw->size = dsp->length;
164 fw->data = vmalloc(fw->size);
166 snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
171 if (copy_from_user(fw->data, dsp->image, dsp->length)) {
177 if (! vx_is_pcmcia(vx))
179 err = vx->ops->load_dsp(vx, index, fw);
185 vx->firmware[index] = fw;
191 vx->chip_status |= VX_STAT_XILINX_LOADED;
195 /* ok, we reached to the last one */
196 /* create the devices if not built yet */
197 if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) {
198 if ((err = snd_vx_pcm_new(vx)) < 0)
201 if ((err = snd_vx_mixer_new(vx)) < 0)
204 if (vx->ops->add_controls)
205 if ((err = vx->ops->add_controls(vx)) < 0)
208 if ((err = snd_card_register(vx->card)) < 0)
211 vx->chip_status |= VX_STAT_DEVICE_INIT;
213 vx->chip_status |= VX_STAT_CHIP_INIT;
219 int snd_vx_setup_firmware(vx_core_t *chip)
224 if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0)
227 hw->iface = SNDRV_HWDEP_IFACE_VX;
228 hw->private_data = chip;
229 hw->ops.open = vx_hwdep_open;
230 hw->ops.release = vx_hwdep_release;
231 hw->ops.dsp_status = vx_hwdep_dsp_status;
232 hw->ops.dsp_load = vx_hwdep_dsp_load;
234 sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
237 return snd_card_register(chip->card);
241 void snd_vx_free_firmware(vx_core_t *chip)
245 for (i = 0; i < 4; i++)
246 free_fw(chip->firmware[i]);
250 #endif /* SND_VX_FW_LOADER */