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_open(struct snd_hwdep *hw, struct file *file) 123 { 124 return 0; 125 } 126 127 static int vx_hwdep_release(struct snd_hwdep *hw, struct file *file) 128 { 129 return 0; 130 } 131 132 static int vx_hwdep_dsp_status(struct snd_hwdep *hw, 133 struct snd_hwdep_dsp_status *info) 134 { 135 static char *type_ids[VX_TYPE_NUMS] = { 136 [VX_TYPE_BOARD] = "vxboard", 137 [VX_TYPE_V2] = "vx222", 138 [VX_TYPE_MIC] = "vx222", 139 [VX_TYPE_VXPOCKET] = "vxpocket", 140 [VX_TYPE_VXP440] = "vxp440", 141 }; 142 struct vx_core *vx = hw->private_data; 143 144 snd_assert(type_ids[vx->type], return -EINVAL); 145 strcpy(info->id, type_ids[vx->type]); 146 if (vx_is_pcmcia(vx)) 147 info->num_dsps = 4; 148 else 149 info->num_dsps = 3; 150 if (vx->chip_status & VX_STAT_CHIP_INIT) 151 info->chip_ready = 1; 152 info->version = VX_DRIVER_VERSION; 153 return 0; 154 } 155 156 static void free_fw(const struct firmware *fw) 157 { 158 if (fw) { 159 vfree(fw->data); 160 kfree(fw); 161 } 162 } 163 164 static int vx_hwdep_dsp_load(struct snd_hwdep *hw, 165 struct snd_hwdep_dsp_image *dsp) 166 { 167 struct vx_core *vx = hw->private_data; 168 int index, err; 169 struct firmware *fw; 170 171 snd_assert(vx->ops->load_dsp, return -ENXIO); 172 173 fw = kmalloc(sizeof(*fw), GFP_KERNEL); 174 if (! fw) { 175 snd_printk(KERN_ERR "cannot allocate firmware\n"); 176 return -ENOMEM; 177 } 178 fw->size = dsp->length; 179 fw->data = vmalloc(fw->size); 180 if (! fw->data) { 181 snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n", 182 (int)fw->size); 183 kfree(fw); 184 return -ENOMEM; 185 } 186 if (copy_from_user(fw->data, dsp->image, dsp->length)) { 187 free_fw(fw); 188 return -EFAULT; 189 } 190 191 index = dsp->index; 192 if (! vx_is_pcmcia(vx)) 193 index++; 194 err = vx->ops->load_dsp(vx, index, fw); 195 if (err < 0) { 196 free_fw(fw); 197 return err; 198 } 199 #ifdef CONFIG_PM 200 vx->firmware[index] = fw; 201 #else 202 free_fw(fw); 203 #endif 204 205 if (index == 1) 206 vx->chip_status |= VX_STAT_XILINX_LOADED; 207 if (index < 3) 208 return 0; 209 210 /* ok, we reached to the last one */ 211 /* create the devices if not built yet */ 212 if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) { 213 if ((err = snd_vx_pcm_new(vx)) < 0) 214 return err; 215 216 if ((err = snd_vx_mixer_new(vx)) < 0) 217 return err; 218 219 if (vx->ops->add_controls) 220 if ((err = vx->ops->add_controls(vx)) < 0) 221 return err; 222 223 if ((err = snd_card_register(vx->card)) < 0) 224 return err; 225 226 vx->chip_status |= VX_STAT_DEVICE_INIT; 227 } 228 vx->chip_status |= VX_STAT_CHIP_INIT; 229 return 0; 230 } 231 232 233 /* exported */ 234 int snd_vx_setup_firmware(struct vx_core *chip) 235 { 236 int err; 237 struct snd_hwdep *hw; 238 239 if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0) 240 return err; 241 242 hw->iface = SNDRV_HWDEP_IFACE_VX; 243 hw->private_data = chip; 244 hw->ops.open = vx_hwdep_open; 245 hw->ops.release = vx_hwdep_release; 246 hw->ops.dsp_status = vx_hwdep_dsp_status; 247 hw->ops.dsp_load = vx_hwdep_dsp_load; 248 hw->exclusive = 1; 249 sprintf(hw->name, "VX Loader (%s)", chip->card->driver); 250 chip->hwdep = hw; 251 252 return snd_card_register(chip->card); 253 } 254 255 /* exported */ 256 void snd_vx_free_firmware(struct vx_core *chip) 257 { 258 #ifdef CONFIG_PM 259 int i; 260 for (i = 0; i < 4; i++) 261 free_fw(chip->firmware[i]); 262 #endif 263 } 264 265 #endif /* SND_VX_FW_LOADER */ 266 267 EXPORT_SYMBOL(snd_vx_setup_firmware); 268 EXPORT_SYMBOL(snd_vx_free_firmware); 269