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 <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> 30 31 #ifdef SND_VX_FW_LOADER 32 33 MODULE_FIRMWARE("vx/bx_1_vxp.b56"); 34 MODULE_FIRMWARE("vx/bx_1_vp4.b56"); 35 MODULE_FIRMWARE("vx/x1_1_vx2.xlx"); 36 MODULE_FIRMWARE("vx/x1_2_v22.xlx"); 37 MODULE_FIRMWARE("vx/x1_1_vxp.xlx"); 38 MODULE_FIRMWARE("vx/x1_1_vp4.xlx"); 39 MODULE_FIRMWARE("vx/bd56002.boot"); 40 MODULE_FIRMWARE("vx/bd563v2.boot"); 41 MODULE_FIRMWARE("vx/bd563s3.boot"); 42 MODULE_FIRMWARE("vx/l_1_vx2.d56"); 43 MODULE_FIRMWARE("vx/l_1_v22.d56"); 44 MODULE_FIRMWARE("vx/l_1_vxp.d56"); 45 MODULE_FIRMWARE("vx/l_1_vp4.d56"); 46 47 int snd_vx_setup_firmware(struct vx_core *chip) 48 { 49 static char *fw_files[VX_TYPE_NUMS][4] = { 50 [VX_TYPE_BOARD] = { 51 NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56", 52 }, 53 [VX_TYPE_V2] = { 54 NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56", 55 }, 56 [VX_TYPE_MIC] = { 57 NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56", 58 }, 59 [VX_TYPE_VXPOCKET] = { 60 "bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56" 61 }, 62 [VX_TYPE_VXP440] = { 63 "bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56" 64 }, 65 }; 66 67 int i, err; 68 69 for (i = 0; i < 4; i++) { 70 char path[32]; 71 const struct firmware *fw; 72 if (! fw_files[chip->type][i]) 73 continue; 74 sprintf(path, "vx/%s", fw_files[chip->type][i]); 75 if (request_firmware(&fw, path, chip->dev)) { 76 snd_printk(KERN_ERR "vx: can't load firmware %s\n", path); 77 return -ENOENT; 78 } 79 err = chip->ops->load_dsp(chip, i, fw); 80 if (err < 0) { 81 release_firmware(fw); 82 return err; 83 } 84 if (i == 1) 85 chip->chip_status |= VX_STAT_XILINX_LOADED; 86 #ifdef CONFIG_PM 87 chip->firmware[i] = fw; 88 #else 89 release_firmware(fw); 90 #endif 91 } 92 93 /* ok, we reached to the last one */ 94 /* create the devices if not built yet */ 95 if ((err = snd_vx_pcm_new(chip)) < 0) 96 return err; 97 98 if ((err = snd_vx_mixer_new(chip)) < 0) 99 return err; 100 101 if (chip->ops->add_controls) 102 if ((err = chip->ops->add_controls(chip)) < 0) 103 return err; 104 105 chip->chip_status |= VX_STAT_DEVICE_INIT; 106 chip->chip_status |= VX_STAT_CHIP_INIT; 107 108 return snd_card_register(chip->card); 109 } 110 111 /* exported */ 112 void snd_vx_free_firmware(struct vx_core *chip) 113 { 114 #ifdef CONFIG_PM 115 int i; 116 for (i = 0; i < 4; i++) 117 release_firmware(chip->firmware[i]); 118 #endif 119 } 120 121 #else /* old style firmware loading */ 122 123 static int vx_hwdep_open(struct snd_hwdep *hw, struct file *file) 124 { 125 return 0; 126 } 127 128 static int vx_hwdep_release(struct snd_hwdep *hw, struct file *file) 129 { 130 return 0; 131 } 132 133 static int vx_hwdep_dsp_status(struct snd_hwdep *hw, 134 struct snd_hwdep_dsp_status *info) 135 { 136 static char *type_ids[VX_TYPE_NUMS] = { 137 [VX_TYPE_BOARD] = "vxboard", 138 [VX_TYPE_V2] = "vx222", 139 [VX_TYPE_MIC] = "vx222", 140 [VX_TYPE_VXPOCKET] = "vxpocket", 141 [VX_TYPE_VXP440] = "vxp440", 142 }; 143 struct vx_core *vx = hw->private_data; 144 145 snd_assert(type_ids[vx->type], return -EINVAL); 146 strcpy(info->id, type_ids[vx->type]); 147 if (vx_is_pcmcia(vx)) 148 info->num_dsps = 4; 149 else 150 info->num_dsps = 3; 151 if (vx->chip_status & VX_STAT_CHIP_INIT) 152 info->chip_ready = 1; 153 info->version = VX_DRIVER_VERSION; 154 return 0; 155 } 156 157 static void free_fw(const struct firmware *fw) 158 { 159 if (fw) { 160 vfree(fw->data); 161 kfree(fw); 162 } 163 } 164 165 static int vx_hwdep_dsp_load(struct snd_hwdep *hw, 166 struct snd_hwdep_dsp_image *dsp) 167 { 168 struct vx_core *vx = hw->private_data; 169 int index, err; 170 struct firmware *fw; 171 172 snd_assert(vx->ops->load_dsp, return -ENXIO); 173 174 fw = kmalloc(sizeof(*fw), GFP_KERNEL); 175 if (! fw) { 176 snd_printk(KERN_ERR "cannot allocate firmware\n"); 177 return -ENOMEM; 178 } 179 fw->size = dsp->length; 180 fw->data = vmalloc(fw->size); 181 if (! fw->data) { 182 snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n", 183 (int)fw->size); 184 kfree(fw); 185 return -ENOMEM; 186 } 187 if (copy_from_user(fw->data, dsp->image, dsp->length)) { 188 free_fw(fw); 189 return -EFAULT; 190 } 191 192 index = dsp->index; 193 if (! vx_is_pcmcia(vx)) 194 index++; 195 err = vx->ops->load_dsp(vx, index, fw); 196 if (err < 0) { 197 free_fw(fw); 198 return err; 199 } 200 #ifdef CONFIG_PM 201 vx->firmware[index] = fw; 202 #else 203 free_fw(fw); 204 #endif 205 206 if (index == 1) 207 vx->chip_status |= VX_STAT_XILINX_LOADED; 208 if (index < 3) 209 return 0; 210 211 /* ok, we reached to the last one */ 212 /* create the devices if not built yet */ 213 if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) { 214 if ((err = snd_vx_pcm_new(vx)) < 0) 215 return err; 216 217 if ((err = snd_vx_mixer_new(vx)) < 0) 218 return err; 219 220 if (vx->ops->add_controls) 221 if ((err = vx->ops->add_controls(vx)) < 0) 222 return err; 223 224 if ((err = snd_card_register(vx->card)) < 0) 225 return err; 226 227 vx->chip_status |= VX_STAT_DEVICE_INIT; 228 } 229 vx->chip_status |= VX_STAT_CHIP_INIT; 230 return 0; 231 } 232 233 234 /* exported */ 235 int snd_vx_setup_firmware(struct vx_core *chip) 236 { 237 int err; 238 struct snd_hwdep *hw; 239 240 if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0) 241 return err; 242 243 hw->iface = SNDRV_HWDEP_IFACE_VX; 244 hw->private_data = chip; 245 hw->ops.open = vx_hwdep_open; 246 hw->ops.release = vx_hwdep_release; 247 hw->ops.dsp_status = vx_hwdep_dsp_status; 248 hw->ops.dsp_load = vx_hwdep_dsp_load; 249 hw->exclusive = 1; 250 sprintf(hw->name, "VX Loader (%s)", chip->card->driver); 251 chip->hwdep = hw; 252 253 return snd_card_register(chip->card); 254 } 255 256 /* exported */ 257 void snd_vx_free_firmware(struct vx_core *chip) 258 { 259 #ifdef CONFIG_PM 260 int i; 261 for (i = 0; i < 4; i++) 262 free_fw(chip->firmware[i]); 263 #endif 264 } 265 266 #endif /* SND_VX_FW_LOADER */ 267 268 EXPORT_SYMBOL(snd_vx_setup_firmware); 269 EXPORT_SYMBOL(snd_vx_free_firmware); 270