330 lines · c
1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Driver for Digigram VXpocket V2/440 soundcards4 *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 20MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");21MODULE_DESCRIPTION("Digigram VXPocket");22MODULE_LICENSE("GPL");23 24static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */25static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */26static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */27static int ibl[SNDRV_CARDS];28 29module_param_array(index, int, NULL, 0444);30MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");31module_param_array(id, charp, NULL, 0444);32MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");33module_param_array(enable, bool, NULL, 0444);34MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");35module_param_array(ibl, int, NULL, 0444);36MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");37 38 39/*40 */41 42static unsigned int card_alloc;43 44 45/*46 */47static 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 information55 */56 57/* VX-pocket V258 *59 * 1 DSP, 1 sync UER60 * 1 programmable clock (NIY)61 * 1 stereo analog input (line/micro)62 * 1 stereo analog output63 * Only output levels can be modified64 */65 66static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);67 68static 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 44081 *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 output86 * Only output levels can be modified87 * UER, but only for the first two inputs and outputs.88 */89 90static 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 instance105 */106static 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 instance140 * @port: i/o port for the card141 * @irq: irq number for the card142 *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 */148static 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 callback175 */176 177static 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);215failed_preirq:216 pcmcia_disable_device(link);217 return -ENODEV;218}219 220#ifdef CONFIG_PM221 222static 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 232static 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#endif245 246 247/*248 */249static 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 290static 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 points310 */311 312static const struct pcmcia_device_id vxp_ids[] = {313 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),314 PCMCIA_DEVICE_NULL315};316MODULE_DEVICE_TABLE(pcmcia, vxp_ids);317 318static 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_PM325 .suspend = vxp_suspend,326 .resume = vxp_resume,327#endif328};329module_pcmcia_driver(vxp_cs_driver);330