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