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 dev_dbg(chip->card->dev, 155 "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); 156 vxp->port = port; 157 158 sprintf(card->shortname, "Digigram %s", card->driver); 159 sprintf(card->longname, "%s at 0x%x, irq %i", 160 card->shortname, port, irq); 161 162 chip->irq = irq; 163 card->sync_irq = chip->irq; 164 165 err = snd_vx_setup_firmware(chip); 166 if (err < 0) 167 return err; 168 169 return 0; 170 } 171 172 173 /* 174 * configuration callback 175 */ 176 177 static int vxpocket_config(struct pcmcia_device *link) 178 { 179 struct vx_core *chip = link->priv; 180 int ret; 181 182 /* redefine hardware record according to the VERSION1 string */ 183 if (!strcmp(link->prod_id[1], "VX-POCKET")) { 184 dev_dbg(chip->card->dev, "VX-pocket is detected\n"); 185 } else { 186 dev_dbg(chip->card->dev, "VX-pocket 440 is detected\n"); 187 /* overwrite the hardware information */ 188 chip->hw = &vxp440_hw; 189 chip->type = vxp440_hw.type; 190 strcpy(chip->card->driver, vxp440_hw.name); 191 } 192 193 ret = pcmcia_request_io(link); 194 if (ret) 195 goto failed_preirq; 196 197 ret = request_threaded_irq(link->irq, snd_vx_irq_handler, 198 snd_vx_threaded_irq_handler, 199 IRQF_SHARED, link->devname, link->priv); 200 if (ret) 201 goto failed_preirq; 202 203 ret = pcmcia_enable_device(link); 204 if (ret) 205 goto failed; 206 207 if (snd_vxpocket_assign_resources(chip, link->resource[0]->start, 208 link->irq) < 0) 209 goto failed; 210 211 return 0; 212 213 failed: 214 free_irq(link->irq, link->priv); 215 failed_preirq: 216 pcmcia_disable_device(link); 217 return -ENODEV; 218 } 219 220 #ifdef CONFIG_PM 221 222 static int vxp_suspend(struct pcmcia_device *link) 223 { 224 struct vx_core *chip = link->priv; 225 226 if (chip) 227 snd_vx_suspend(chip); 228 229 return 0; 230 } 231 232 static int vxp_resume(struct pcmcia_device *link) 233 { 234 struct vx_core *chip = link->priv; 235 236 if (pcmcia_dev_present(link)) { 237 if (chip) 238 snd_vx_resume(chip); 239 } 240 241 return 0; 242 } 243 244 #endif 245 246 247 /* 248 */ 249 static int vxpocket_probe(struct pcmcia_device *p_dev) 250 { 251 struct snd_card *card; 252 struct snd_vxpocket *vxp; 253 int i, err; 254 255 /* find an empty slot from the card list */ 256 for (i = 0; i < SNDRV_CARDS; i++) { 257 if (!(card_alloc & (1 << i))) 258 break; 259 } 260 if (i >= SNDRV_CARDS) { 261 dev_err(&p_dev->dev, "vxpocket: too many cards found\n"); 262 return -EINVAL; 263 } 264 if (! enable[i]) 265 return -ENODEV; /* disabled explicitly */ 266 267 /* ok, create a card instance */ 268 err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE, 269 0, &card); 270 if (err < 0) { 271 dev_err(&p_dev->dev, "vxpocket: cannot create a card instance\n"); 272 return err; 273 } 274 275 err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp); 276 if (err < 0) { 277 snd_card_free(card); 278 return err; 279 } 280 card->private_data = vxp; 281 282 vxp->index = i; 283 card_alloc |= 1 << i; 284 285 vxp->p_dev = p_dev; 286 287 return vxpocket_config(p_dev); 288 } 289 290 static void vxpocket_detach(struct pcmcia_device *link) 291 { 292 struct snd_vxpocket *vxp; 293 struct vx_core *chip; 294 295 if (! link) 296 return; 297 298 vxp = link->priv; 299 chip = (struct vx_core *)vxp; 300 card_alloc &= ~(1 << vxp->index); 301 302 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ 303 snd_card_disconnect(chip->card); 304 vxpocket_release(link); 305 snd_card_free_when_closed(chip->card); 306 } 307 308 /* 309 * Module entry points 310 */ 311 312 static const struct pcmcia_device_id vxp_ids[] = { 313 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100), 314 PCMCIA_DEVICE_NULL 315 }; 316 MODULE_DEVICE_TABLE(pcmcia, vxp_ids); 317 318 static struct pcmcia_driver vxp_cs_driver = { 319 .owner = THIS_MODULE, 320 .name = "snd-vxpocket", 321 .probe = vxpocket_probe, 322 .remove = vxpocket_detach, 323 .id_table = vxp_ids, 324 #ifdef CONFIG_PM 325 .suspend = vxp_suspend, 326 .resume = vxp_resume, 327 #endif 328 }; 329 module_pcmcia_driver(vxp_cs_driver); 330