372 lines · c
1 2/*3 * jazz16.c - driver for Media Vision Jazz16 based soundcards.4 * Copyright (C) 2009 Krzysztof Helt <krzysztof.h1@wp.pl>5 * Based on patches posted by Rask Ingemann Lambertsen and Rene Herman.6 * Based on OSS Sound Blaster driver.7 *8 * This file is subject to the terms and conditions of the GNU General Public9 * License. See the file COPYING in the main directory of this archive for10 * more details.11 *12 */13 14#include <linux/init.h>15#include <linux/module.h>16#include <linux/io.h>17#include <linux/delay.h>18#include <asm/dma.h>19#include <linux/isa.h>20#include <sound/core.h>21#include <sound/mpu401.h>22#include <sound/opl3.h>23#include <sound/sb.h>24#define SNDRV_LEGACY_FIND_FREE_IRQ25#define SNDRV_LEGACY_FIND_FREE_DMA26#include <sound/initval.h>27 28#define PFX "jazz16: "29 30MODULE_DESCRIPTION("Media Vision Jazz16");31MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");32MODULE_LICENSE("GPL");33 34static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */35static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */36static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */37static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;38static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;39static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;40static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;41static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;42static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;43 44module_param_array(index, int, NULL, 0444);45MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard.");46module_param_array(id, charp, NULL, 0444);47MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard.");48module_param_array(enable, bool, NULL, 0444);49MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard.");50module_param_hw_array(port, long, ioport, NULL, 0444);51MODULE_PARM_DESC(port, "Port # for jazz16 driver.");52module_param_hw_array(mpu_port, long, ioport, NULL, 0444);53MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver.");54module_param_hw_array(irq, int, irq, NULL, 0444);55MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver.");56module_param_hw_array(mpu_irq, int, irq, NULL, 0444);57MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver.");58module_param_hw_array(dma8, int, dma, NULL, 0444);59MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver.");60module_param_hw_array(dma16, int, dma, NULL, 0444);61MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver.");62 63#define SB_JAZZ16_WAKEUP 0xaf64#define SB_JAZZ16_SET_PORTS 0x5065#define SB_DSP_GET_JAZZ_BRD_REV 0xfa66#define SB_JAZZ16_SET_DMAINTR 0xfb67#define SB_DSP_GET_JAZZ_MODEL 0xfe68 69struct snd_card_jazz16 {70 struct snd_sb *chip;71};72 73static irqreturn_t jazz16_interrupt(int irq, void *chip)74{75 return snd_sb8dsp_interrupt(chip);76}77 78static int jazz16_configure_ports(struct snd_card *card,79 unsigned long port,80 unsigned long mpu_port, int idx)81{82 unsigned char val;83 84 if (!request_region(0x201, 1, "jazz16 config")) {85 dev_err(card->dev, "config port region is already in use.\n");86 return -EBUSY;87 }88 outb(SB_JAZZ16_WAKEUP - idx, 0x201);89 udelay(100);90 outb(SB_JAZZ16_SET_PORTS + idx, 0x201);91 udelay(100);92 val = port & 0x70;93 val |= (mpu_port & 0x30) >> 4;94 outb(val, 0x201);95 96 release_region(0x201, 1);97 return 0;98}99 100static int jazz16_detect_board(struct snd_card *card, unsigned long port,101 unsigned long mpu_port)102{103 int err;104 int val;105 struct snd_sb chip = {};106 107 if (!request_region(port, 0x10, "jazz16")) {108 dev_err(card->dev, "I/O port region is already in use.\n");109 return -EBUSY;110 }111 /* just to call snd_sbdsp_command/reset/get_byte() */112 chip.port = port;113 114 err = snd_sbdsp_reset(&chip);115 if (err < 0)116 for (val = 0; val < 4; val++) {117 err = jazz16_configure_ports(card, port, mpu_port, val);118 if (err < 0)119 break;120 121 err = snd_sbdsp_reset(&chip);122 if (!err)123 break;124 }125 if (err < 0) {126 err = -ENODEV;127 goto err_unmap;128 }129 if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) {130 err = -EBUSY;131 goto err_unmap;132 }133 val = snd_sbdsp_get_byte(&chip);134 if (val >= 0x30)135 snd_sbdsp_get_byte(&chip);136 137 if ((val & 0xf0) != 0x10) {138 err = -ENODEV;139 goto err_unmap;140 }141 if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) {142 err = -EBUSY;143 goto err_unmap;144 }145 snd_sbdsp_get_byte(&chip);146 err = snd_sbdsp_get_byte(&chip);147 dev_dbg(card->dev, "Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n",148 val, err);149 150 err = 0;151 152err_unmap:153 release_region(port, 0x10);154 return err;155}156 157static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq)158{159 static const unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,160 0, 2, 5, 0, 0, 0, 0, 6 };161 static const unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };162 163 if (jazz_dma_bits[chip->dma8] == 0 ||164 jazz_dma_bits[chip->dma16] == 0 ||165 jazz_irq_bits[chip->irq] == 0)166 return -EINVAL;167 168 if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR))169 return -EBUSY;170 171 if (!snd_sbdsp_command(chip,172 jazz_dma_bits[chip->dma8] |173 (jazz_dma_bits[chip->dma16] << 4)))174 return -EBUSY;175 176 if (!snd_sbdsp_command(chip,177 jazz_irq_bits[chip->irq] |178 (jazz_irq_bits[mpu_irq] << 4)))179 return -EBUSY;180 181 return 0;182}183 184static int snd_jazz16_match(struct device *devptr, unsigned int dev)185{186 if (!enable[dev])187 return 0;188 if (port[dev] == SNDRV_AUTO_PORT) {189 dev_err(devptr, "please specify port\n");190 return 0;191 } else if (port[dev] == 0x200 || (port[dev] & ~0x270)) {192 dev_err(devptr, "incorrect port specified\n");193 return 0;194 }195 if (dma8[dev] != SNDRV_AUTO_DMA &&196 dma8[dev] != 1 && dma8[dev] != 3) {197 dev_err(devptr, "dma8 must be 1 or 3\n");198 return 0;199 }200 if (dma16[dev] != SNDRV_AUTO_DMA &&201 dma16[dev] != 5 && dma16[dev] != 7) {202 dev_err(devptr, "dma16 must be 5 or 7\n");203 return 0;204 }205 if (mpu_port[dev] != SNDRV_AUTO_PORT &&206 (mpu_port[dev] & ~0x030) != 0x300) {207 dev_err(devptr, "incorrect mpu_port specified\n");208 return 0;209 }210 if (mpu_irq[dev] != SNDRV_AUTO_DMA &&211 mpu_irq[dev] != 2 && mpu_irq[dev] != 3 &&212 mpu_irq[dev] != 5 && mpu_irq[dev] != 7) {213 dev_err(devptr, "mpu_irq must be 2, 3, 5 or 7\n");214 return 0;215 }216 return 1;217}218 219static int snd_jazz16_probe(struct device *devptr, unsigned int dev)220{221 struct snd_card *card;222 struct snd_card_jazz16 *jazz16;223 struct snd_sb *chip;224 struct snd_opl3 *opl3;225 static const int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};226 static const int possible_dmas8[] = {1, 3, -1};227 static const int possible_dmas16[] = {5, 7, -1};228 int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;229 230 err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE,231 sizeof(struct snd_card_jazz16), &card);232 if (err < 0)233 return err;234 235 jazz16 = card->private_data;236 237 xirq = irq[dev];238 if (xirq == SNDRV_AUTO_IRQ) {239 xirq = snd_legacy_find_free_irq(possible_irqs);240 if (xirq < 0) {241 dev_err(devptr, "unable to find a free IRQ\n");242 return -EBUSY;243 }244 }245 xdma8 = dma8[dev];246 if (xdma8 == SNDRV_AUTO_DMA) {247 xdma8 = snd_legacy_find_free_dma(possible_dmas8);248 if (xdma8 < 0) {249 dev_err(devptr, "unable to find a free DMA8\n");250 return -EBUSY;251 }252 }253 xdma16 = dma16[dev];254 if (xdma16 == SNDRV_AUTO_DMA) {255 xdma16 = snd_legacy_find_free_dma(possible_dmas16);256 if (xdma16 < 0) {257 dev_err(devptr, "unable to find a free DMA16\n");258 return -EBUSY;259 }260 }261 262 xmpu_port = mpu_port[dev];263 if (xmpu_port == SNDRV_AUTO_PORT)264 xmpu_port = 0;265 err = jazz16_detect_board(card, port[dev], xmpu_port);266 if (err < 0) {267 dev_err(devptr, "Media Vision Jazz16 board not detected\n");268 return err;269 }270 err = snd_sbdsp_create(card, port[dev], irq[dev],271 jazz16_interrupt,272 dma8[dev], dma16[dev],273 SB_HW_JAZZ16,274 &chip);275 if (err < 0)276 return err;277 278 xmpu_irq = mpu_irq[dev];279 if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT)280 xmpu_irq = 0;281 err = jazz16_configure_board(chip, xmpu_irq);282 if (err < 0) {283 dev_err(devptr, "Media Vision Jazz16 configuration failed\n");284 return err;285 }286 287 jazz16->chip = chip;288 289 strcpy(card->driver, "jazz16");290 strcpy(card->shortname, "Media Vision Jazz16");291 sprintf(card->longname,292 "Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d",293 port[dev], xirq, xdma8, xdma16);294 295 err = snd_sb8dsp_pcm(chip, 0);296 if (err < 0)297 return err;298 err = snd_sbmixer_new(chip);299 if (err < 0)300 return err;301 302 err = snd_opl3_create(card, chip->port, chip->port + 2,303 OPL3_HW_AUTO, 1, &opl3);304 if (err < 0)305 dev_warn(devptr, "no OPL device at 0x%lx-0x%lx\n",306 chip->port, chip->port + 2);307 else {308 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);309 if (err < 0)310 return err;311 }312 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {313 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)314 mpu_irq[dev] = -1;315 316 if (snd_mpu401_uart_new(card, 0,317 MPU401_HW_MPU401,318 mpu_port[dev], 0,319 mpu_irq[dev],320 NULL) < 0)321 dev_err(devptr, "no MPU-401 device at 0x%lx\n",322 mpu_port[dev]);323 }324 325 err = snd_card_register(card);326 if (err < 0)327 return err;328 329 dev_set_drvdata(devptr, card);330 return 0;331}332 333#ifdef CONFIG_PM334static int snd_jazz16_suspend(struct device *pdev, unsigned int n,335 pm_message_t state)336{337 struct snd_card *card = dev_get_drvdata(pdev);338 struct snd_card_jazz16 *acard = card->private_data;339 struct snd_sb *chip = acard->chip;340 341 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);342 snd_sbmixer_suspend(chip);343 return 0;344}345 346static int snd_jazz16_resume(struct device *pdev, unsigned int n)347{348 struct snd_card *card = dev_get_drvdata(pdev);349 struct snd_card_jazz16 *acard = card->private_data;350 struct snd_sb *chip = acard->chip;351 352 snd_sbdsp_reset(chip);353 snd_sbmixer_resume(chip);354 snd_power_change_state(card, SNDRV_CTL_POWER_D0);355 return 0;356}357#endif358 359static struct isa_driver snd_jazz16_driver = {360 .match = snd_jazz16_match,361 .probe = snd_jazz16_probe,362#ifdef CONFIG_PM363 .suspend = snd_jazz16_suspend,364 .resume = snd_jazz16_resume,365#endif366 .driver = {367 .name = "jazz16"368 },369};370 371module_isa_driver(snd_jazz16_driver, SNDRV_CARDS);372