1 /* 2 * Driver for Digigram VX soundcards 3 * 4 * DSP firmware management 5 * 6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> 7 * 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. 12 * 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. 17 * 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 21 */ 22 23 #include <linux/device.h> 24 #include <linux/firmware.h> 25 #include <linux/slab.h> 26 #include <linux/vmalloc.h> 27 #include <linux/module.h> 28 #include <sound/core.h> 29 #include <sound/hwdep.h> 30 #include <sound/vx_core.h> 31 32 #ifdef SND_VX_FW_LOADER 33 34 MODULE_FIRMWARE("vx/bx_1_vxp.b56"); 35 MODULE_FIRMWARE("vx/bx_1_vp4.b56"); 36 MODULE_FIRMWARE("vx/x1_1_vx2.xlx"); 37 MODULE_FIRMWARE("vx/x1_2_v22.xlx"); 38 MODULE_FIRMWARE("vx/x1_1_vxp.xlx"); 39 MODULE_FIRMWARE("vx/x1_1_vp4.xlx"); 40 MODULE_FIRMWARE("vx/bd56002.boot"); 41 MODULE_FIRMWARE("vx/bd563v2.boot"); 42 MODULE_FIRMWARE("vx/bd563s3.boot"); 43 MODULE_FIRMWARE("vx/l_1_vx2.d56"); 44 MODULE_FIRMWARE("vx/l_1_v22.d56"); 45 MODULE_FIRMWARE("vx/l_1_vxp.d56"); 46 MODULE_FIRMWARE("vx/l_1_vp4.d56"); 47 48 int snd_vx_setup_firmware(struct vx_core *chip) 49 { 50 static char *fw_files[VX_TYPE_NUMS][4] = { 51 [VX_TYPE_BOARD] = { 52 NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56", 53 }, 54 [VX_TYPE_V2] = { 55 NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56", 56 }, 57 [VX_TYPE_MIC] = { 58 NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56", 59 }, 60 [VX_TYPE_VXPOCKET] = { 61 "bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56" 62 }, 63 [VX_TYPE_VXP440] = { 64 "bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56" 65 }, 66 }; 67 68 int i, err; 69 70 for (i = 0; i < 4; i++) { 71 char path[32]; 72 const struct firmware *fw; 73 if (! fw_files[chip->type][i]) 74 continue; 75 sprintf(path, "vx/%s", fw_files[chip->type][i]); 76 if (request_firmware(&fw, path, chip->dev)) { 77 snd_printk(KERN_ERR "vx: can't load firmware %s\n", path); 78 return -ENOENT; 79 } 80 err = chip->ops->load_dsp(chip, i, fw); 81 if (err < 0) { 82 release_firmware(fw); 83 return err; 84 } 85 if (i == 1) 86 chip->chip_status |= VX_STAT_XILINX_LOADED; 87 #ifdef CONFIG_PM 88 chip->firmware[i] = fw; 89 #else 90 release_firmware(fw); 91 #endif 92 } 93 94 /* ok, we reached to the last one */ 95 /* create the devices if not built yet */ 96 if ((err = snd_vx_pcm_new(chip)) < 0) 97 return err; 98 99 if ((err = snd_vx_mixer_new(chip)) < 0) 100 return err; 101 102 if (chip->ops->add_controls) 103 if ((err = chip->ops->add_controls(chip)) < 0) 104 return err; 105 106 chip->chip_status |= VX_STAT_DEVICE_INIT; 107 chip->chip_status |= VX_STAT_CHIP_INIT; 108 109 return snd_card_register(chip->card); 110 } 111 112 /* exported */ 113 void snd_vx_free_firmware(struct vx_core *chip) 114 { 115 #ifdef CONFIG_PM 116 int i; 117 for (i = 0; i < 4; i++) 118 release_firmware(chip->firmware[i]); 119 #endif 120 } 121 122 #else /* old style firmware loading */ 123 124 static int vx_hwdep_dsp_status(struct snd_hwdep *hw, 125 struct snd_hwdep_dsp_status *info) 126 { 127 static char *type_ids[VX_TYPE_NUMS] = { 128 [VX_TYPE_BOARD] = "vxboard", 129 [VX_TYPE_V2] = "vx222", 130 [VX_TYPE_MIC] = "vx222", 131 [VX_TYPE_VXPOCKET] = "vxpocket", 132 [VX_TYPE_VXP440] = "vxp440", 133 }; 134 struct vx_core *vx = hw->private_data; 135 136 if (snd_BUG_ON(!type_ids[vx->type])) 137 return -EINVAL; 138 strcpy(info->id, type_ids[vx->type]); 139 if (vx_is_pcmcia(vx)) 140 info->num_dsps = 4; 141 else 142 info->num_dsps = 3; 143 if (vx->chip_status & VX_STAT_CHIP_INIT) 144 info->chip_ready = 1; 145 info->version = VX_DRIVER_VERSION; 146 return 0; 147 } 148 149 static void free_fw(const struct firmware *fw) 150 { 151 if (fw) { 152 vfree(fw->data); 153 kfree(fw); 154 } 155 } 156 157 static int vx_hwdep_dsp_load(struct snd_hwdep *hw, 158 struct snd_hwdep_dsp_image *dsp) 159 { 160 struct vx_core *vx = hw->private_data; 161 int index, err; 162 struct firmware *fw; 163 164 if (snd_BUG_ON(!vx->ops->load_dsp)) 165 return -ENXIO; 166 167 fw = kmalloc(sizeof(*fw), GFP_KERNEL); 168 if (! fw) { 169 snd_printk(KERN_ERR "cannot allocate firmware\n"); 170 return -ENOMEM; 171 } 172 fw->size = dsp->length; 173 fw->data = vmalloc(fw->size); 174 if (! fw->data) { 175 snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n", 176 (int)fw->size); 177 kfree(fw); 178 return -ENOMEM; 179 } 180 if (copy_from_user((void *)fw->data, dsp->image, dsp->length)) { 181 free_fw(fw); 182 return -EFAULT; 183 } 184 185 index = dsp->index; 186 if (! vx_is_pcmcia(vx)) 187 index++; 188 err = vx->ops->load_dsp(vx, index, fw); 189 if (err < 0) { 190 free_fw(fw); 191 return err; 192 } 193 #ifdef CONFIG_PM 194 vx->firmware[index] = fw; 195 #else 196 free_fw(fw); 197 #endif 198 199 if (index == 1) 200 vx->chip_status |= VX_STAT_XILINX_LOADED; 201 if (index < 3) 202 return 0; 203 204 /* ok, we reached to the last one */ 205 /* create the devices if not built yet */ 206 if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) { 207 if ((err = snd_vx_pcm_new(vx)) < 0) 208 return err; 209 210 if ((err = snd_vx_mixer_new(vx)) < 0) 211 return err; 212 213 if (vx->ops->add_controls) 214 if ((err = vx->ops->add_controls(vx)) < 0) 215 return err; 216 217 if ((err = snd_card_register(vx->card)) < 0) 218 return err; 219 220 vx->chip_status |= VX_STAT_DEVICE_INIT; 221 } 222 vx->chip_status |= VX_STAT_CHIP_INIT; 223 return 0; 224 } 225 226 227 /* exported */ 228 int snd_vx_setup_firmware(struct vx_core *chip) 229 { 230 int err; 231 struct snd_hwdep *hw; 232 233 if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0) 234 return err; 235 236 hw->iface = SNDRV_HWDEP_IFACE_VX; 237 hw->private_data = chip; 238 hw->ops.dsp_status = vx_hwdep_dsp_status; 239 hw->ops.dsp_load = vx_hwdep_dsp_load; 240 hw->exclusive = 1; 241 sprintf(hw->name, "VX Loader (%s)", chip->card->driver); 242 chip->hwdep = hw; 243 244 return snd_card_register(chip->card); 245 } 246 247 /* exported */ 248 void snd_vx_free_firmware(struct vx_core *chip) 249 { 250 #ifdef CONFIG_PM 251 int i; 252 for (i = 0; i < 4; i++) 253 free_fw(chip->firmware[i]); 254 #endif 255 } 256 257 #endif /* SND_VX_FW_LOADER */ 258 259 EXPORT_SYMBOL(snd_vx_setup_firmware); 260 EXPORT_SYMBOL(snd_vx_free_firmware); 261