1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Driver for Digigram VXpocket V2/440 soundcards 4 * 5 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> 6 7 */ 8 9 10 #include <linux/init.h> 11 #include <linux/module.h> 12 #include <linux/slab.h> 13 #include <sound/core.h> 14 #include "vxpocket.h" 15 #include <pcmcia/ciscode.h> 16 #include <pcmcia/cisreg.h> 17 #include <sound/initval.h> 18 #include <sound/tlv.h> 19 20 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); 21 MODULE_DESCRIPTION("Digigram VXPocket"); 22 MODULE_LICENSE("GPL"); 23 24 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 25 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 26 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */ 27 static int ibl[SNDRV_CARDS]; 28 29 module_param_array(index, int, NULL, 0444); 30 MODULE_PARM_DESC(index, "Index value for VXPocket soundcard."); 31 module_param_array(id, charp, NULL, 0444); 32 MODULE_PARM_DESC(id, "ID string for VXPocket soundcard."); 33 module_param_array(enable, bool, NULL, 0444); 34 MODULE_PARM_DESC(enable, "Enable VXPocket soundcard."); 35 module_param_array(ibl, int, NULL, 0444); 36 MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard."); 37 38 39 /* 40 */ 41 42 static unsigned int card_alloc; 43 44 45 /* 46 */ 47 static void vxpocket_release(struct pcmcia_device *link) 48 { 49 free_irq(link->irq, link->priv); 50 pcmcia_disable_device(link); 51 } 52 53 /* 54 * Hardware information 55 */ 56 57 /* VX-pocket V2 58 * 59 * 1 DSP, 1 sync UER 60 * 1 programmable clock (NIY) 61 * 1 stereo analog input (line/micro) 62 * 1 stereo analog output 63 * Only output levels can be modified 64 */ 65 66 static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0); 67 68 static const struct snd_vx_hardware vxpocket_hw = { 69 .name = "VXPocket", 70 .type = VX_TYPE_VXPOCKET, 71 72 /* hardware specs */ 73 .num_codecs = 1, 74 .num_ins = 1, 75 .num_outs = 1, 76 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 77 .output_level_db_scale = db_scale_old_vol, 78 }; 79 80 /* VX-pocket 440 81 * 82 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY) 83 * SMPTE (NIY) 84 * 2 stereo analog input (line/micro) 85 * 2 stereo analog output 86 * Only output levels can be modified 87 * UER, but only for the first two inputs and outputs. 88 */ 89 90 static const struct snd_vx_hardware vxp440_hw = { 91 .name = "VXPocket440", 92 .type = VX_TYPE_VXP440, 93 94 /* hardware specs */ 95 .num_codecs = 2, 96 .num_ins = 2, 97 .num_outs = 2, 98 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 99 .output_level_db_scale = db_scale_old_vol, 100 }; 101 102 103 /* 104 * create vxpocket instance 105 */ 106 static int snd_vxpocket_new(struct snd_card *card, int ibl, 107 struct pcmcia_device *link, 108 struct snd_vxpocket **chip_ret) 109 { 110 struct vx_core *chip; 111 struct snd_vxpocket *vxp; 112 113 chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops, 114 sizeof(struct snd_vxpocket) - sizeof(struct vx_core)); 115 if (!chip) 116 return -ENOMEM; 117 118 chip->ibl.size = ibl; 119 120 vxp = to_vxpocket(chip); 121 122 vxp->p_dev = link; 123 link->priv = chip; 124 125 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; 126 link->resource[0]->end = 16; 127 128 link->config_flags |= CONF_ENABLE_IRQ; 129 link->config_index = 1; 130 link->config_regs = PRESENT_OPTION; 131 132 *chip_ret = vxp; 133 return 0; 134 } 135 136 137 /** 138 * snd_vxpocket_assign_resources - initialize the hardware and card instance. 139 * @chip: VX core instance 140 * @port: i/o port for the card 141 * @irq: irq number for the card 142 * 143 * this function assigns the specified port and irq, boot the card, 144 * create pcm and control instances, and initialize the rest hardware. 145 * 146 * returns 0 if successful, or a negative error code. 147 */ 148 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq) 149 { 150 int err; 151 struct snd_card *card = chip->card; 152 struct snd_vxpocket *vxp = to_vxpocket(chip); 153 154 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); 155 vxp->port = port; 156 157 sprintf(card->shortname, "Digigram %s", card->driver); 158 sprintf(card->longname, "%s at 0x%x, irq %i", 159 card->shortname, port, irq); 160 161 chip->irq = irq; 162 card->sync_irq = chip->irq; 163 164 err = snd_vx_setup_firmware(chip); 165 if (err < 0) 166 return err; 167 168 return 0; 169 } 170 171 172 /* 173 * configuration callback 174 */ 175 176 static int vxpocket_config(struct pcmcia_device *link) 177 { 178 struct vx_core *chip = link->priv; 179 int ret; 180 181 snd_printdd(KERN_DEBUG "vxpocket_config called\n"); 182 183 /* redefine hardware record according to the VERSION1 string */ 184 if (!strcmp(link->prod_id[1], "VX-POCKET")) { 185 snd_printdd("VX-pocket is detected\n"); 186 } else { 187 snd_printdd("VX-pocket 440 is detected\n"); 188 /* overwrite the hardware information */ 189 chip->hw = &vxp440_hw; 190 chip->type = vxp440_hw.type; 191 strcpy(chip->card->driver, vxp440_hw.name); 192 } 193 194 ret = pcmcia_request_io(link); 195 if (ret) 196 goto failed_preirq; 197 198 ret = request_threaded_irq(link->irq, snd_vx_irq_handler, 199 snd_vx_threaded_irq_handler, 200 IRQF_SHARED, link->devname, link->priv); 201 if (ret) 202 goto failed_preirq; 203 204 ret = pcmcia_enable_device(link); 205 if (ret) 206 goto failed; 207 208 chip->dev = &link->dev; 209 210 if (snd_vxpocket_assign_resources(chip, link->resource[0]->start, 211 link->irq) < 0) 212 goto failed; 213 214 return 0; 215 216 failed: 217 free_irq(link->irq, link->priv); 218 failed_preirq: 219 pcmcia_disable_device(link); 220 return -ENODEV; 221 } 222 223 #ifdef CONFIG_PM 224 225 static int vxp_suspend(struct pcmcia_device *link) 226 { 227 struct vx_core *chip = link->priv; 228 229 snd_printdd(KERN_DEBUG "SUSPEND\n"); 230 if (chip) { 231 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n"); 232 snd_vx_suspend(chip); 233 } 234 235 return 0; 236 } 237 238 static int vxp_resume(struct pcmcia_device *link) 239 { 240 struct vx_core *chip = link->priv; 241 242 snd_printdd(KERN_DEBUG "RESUME\n"); 243 if (pcmcia_dev_present(link)) { 244 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 245 if (chip) { 246 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n"); 247 snd_vx_resume(chip); 248 } 249 } 250 snd_printdd(KERN_DEBUG "resume done!\n"); 251 252 return 0; 253 } 254 255 #endif 256 257 258 /* 259 */ 260 static int vxpocket_probe(struct pcmcia_device *p_dev) 261 { 262 struct snd_card *card; 263 struct snd_vxpocket *vxp; 264 int i, err; 265 266 /* find an empty slot from the card list */ 267 for (i = 0; i < SNDRV_CARDS; i++) { 268 if (!(card_alloc & (1 << i))) 269 break; 270 } 271 if (i >= SNDRV_CARDS) { 272 snd_printk(KERN_ERR "vxpocket: too many cards found\n"); 273 return -EINVAL; 274 } 275 if (! enable[i]) 276 return -ENODEV; /* disabled explicitly */ 277 278 /* ok, create a card instance */ 279 err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE, 280 0, &card); 281 if (err < 0) { 282 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n"); 283 return err; 284 } 285 286 err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp); 287 if (err < 0) { 288 snd_card_free(card); 289 return err; 290 } 291 card->private_data = vxp; 292 293 vxp->index = i; 294 card_alloc |= 1 << i; 295 296 vxp->p_dev = p_dev; 297 298 return vxpocket_config(p_dev); 299 } 300 301 static void vxpocket_detach(struct pcmcia_device *link) 302 { 303 struct snd_vxpocket *vxp; 304 struct vx_core *chip; 305 306 if (! link) 307 return; 308 309 vxp = link->priv; 310 chip = (struct vx_core *)vxp; 311 card_alloc &= ~(1 << vxp->index); 312 313 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ 314 snd_card_disconnect(chip->card); 315 vxpocket_release(link); 316 snd_card_free_when_closed(chip->card); 317 } 318 319 /* 320 * Module entry points 321 */ 322 323 static const struct pcmcia_device_id vxp_ids[] = { 324 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100), 325 PCMCIA_DEVICE_NULL 326 }; 327 MODULE_DEVICE_TABLE(pcmcia, vxp_ids); 328 329 static struct pcmcia_driver vxp_cs_driver = { 330 .owner = THIS_MODULE, 331 .name = "snd-vxpocket", 332 .probe = vxpocket_probe, 333 .remove = vxpocket_detach, 334 .id_table = vxp_ids, 335 #ifdef CONFIG_PM 336 .suspend = vxp_suspend, 337 .resume = vxp_resume, 338 #endif 339 }; 340 module_pcmcia_driver(vxp_cs_driver); 341