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