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