--- /dev/null
+/*
+ * Aztech AZT1605/AZT2316 Driver
+ * Copyright (C) 2007,2010 Rene Herman
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/isa.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <asm/processor.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/wss.h>
+#include <sound/mpu401.h>
+#include <sound/opl3.h>
+
+MODULE_DESCRIPTION(CRD_NAME);
+MODULE_AUTHOR("Rene Herman");
+MODULE_LICENSE("GPL");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
+
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
+static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
+static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
+static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
+static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
+static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
+static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
+
+module_param_array(port, long, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
+module_param_array(wss_port, long, NULL, 0444);
+MODULE_PARM_DESC(wss_port, "WSS port # for " CRD_NAME " driver.");
+module_param_array(mpu_port, long, NULL, 0444);
+MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
+module_param_array(fm_port, long, NULL, 0444);
+MODULE_PARM_DESC(fm_port, "FM port # for " CRD_NAME " driver.");
+module_param_array(irq, int, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
+module_param_array(mpu_irq, int, NULL, 0444);
+MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
+module_param_array(dma1, int, NULL, 0444);
+MODULE_PARM_DESC(dma1, "Playback DMA # for " CRD_NAME " driver.");
+module_param_array(dma2, int, NULL, 0444);
+MODULE_PARM_DESC(dma2, "Capture DMA # for " CRD_NAME " driver.");
+
+/*
+ * Generic SB DSP support routines
+ */
+
+#define DSP_PORT_RESET 0x6
+#define DSP_PORT_READ 0xa
+#define DSP_PORT_COMMAND 0xc
+#define DSP_PORT_STATUS 0xc
+#define DSP_PORT_DATA_AVAIL 0xe
+
+#define DSP_SIGNATURE 0xaa
+
+#define DSP_COMMAND_GET_VERSION 0xe1
+
+static int dsp_get_byte(void __iomem *port, u8 *val)
+{
+ int loops = 1000;
+
+ while (!(ioread8(port + DSP_PORT_DATA_AVAIL) & 0x80)) {
+ if (!loops--)
+ return -EIO;
+ cpu_relax();
+ }
+ *val = ioread8(port + DSP_PORT_READ);
+ return 0;
+}
+
+static int dsp_reset(void __iomem *port)
+{
+ u8 val;
+
+ iowrite8(1, port + DSP_PORT_RESET);
+ udelay(10);
+ iowrite8(0, port + DSP_PORT_RESET);
+
+ if (dsp_get_byte(port, &val) < 0 || val != DSP_SIGNATURE)
+ return -ENODEV;
+
+ return 0;
+}
+
+static int dsp_command(void __iomem *port, u8 cmd)
+{
+ int loops = 1000;
+
+ while (ioread8(port + DSP_PORT_STATUS) & 0x80) {
+ if (!loops--)
+ return -EIO;
+ cpu_relax();
+ }
+ iowrite8(cmd, port + DSP_PORT_COMMAND);
+ return 0;
+}
+
+static int dsp_get_version(void __iomem *port, u8 *major, u8 *minor)
+{
+ int err;
+
+ err = dsp_command(port, DSP_COMMAND_GET_VERSION);
+ if (err < 0)
+ return err;
+
+ err = dsp_get_byte(port, major);
+ if (err < 0)
+ return err;
+
+ err = dsp_get_byte(port, minor);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+/*
+ * Generic WSS support routines
+ */
+
+#define WSS_CONFIG_DMA_0 (1 << 0)
+#define WSS_CONFIG_DMA_1 (2 << 0)
+#define WSS_CONFIG_DMA_3 (3 << 0)
+#define WSS_CONFIG_DUPLEX (1 << 2)
+#define WSS_CONFIG_IRQ_7 (1 << 3)
+#define WSS_CONFIG_IRQ_9 (2 << 3)
+#define WSS_CONFIG_IRQ_10 (3 << 3)
+#define WSS_CONFIG_IRQ_11 (4 << 3)
+
+#define WSS_PORT_CONFIG 0
+#define WSS_PORT_SIGNATURE 3
+
+#define WSS_SIGNATURE 4
+
+static int wss_detect(void __iomem *wss_port)
+{
+ if ((ioread8(wss_port + WSS_PORT_SIGNATURE) & 0x3f) != WSS_SIGNATURE)
+ return -ENODEV;
+
+ return 0;
+}
+
+static void wss_set_config(void __iomem *wss_port, u8 wss_config)
+{
+ iowrite8(wss_config, wss_port + WSS_PORT_CONFIG);
+}
+
+/*
+ * Aztech Sound Galaxy specifics
+ */
+
+#define GALAXY_PORT_CONFIG 1024
+#define CONFIG_PORT_SET 4
+
+#define DSP_COMMAND_GALAXY_8 8
+#define GALAXY_COMMAND_GET_TYPE 5
+
+#define DSP_COMMAND_GALAXY_9 9
+#define GALAXY_COMMAND_WSSMODE 0
+#define GALAXY_COMMAND_SB8MODE 1
+
+#define GALAXY_MODE_WSS GALAXY_COMMAND_WSSMODE
+#define GALAXY_MODE_SB8 GALAXY_COMMAND_SB8MODE
+
+struct snd_galaxy {
+ void __iomem *port;
+ void __iomem *config_port;
+ void __iomem *wss_port;
+ u32 config;
+ struct resource *res_port;
+ struct resource *res_config_port;
+ struct resource *res_wss_port;
+};
+
+static u32 config[SNDRV_CARDS];
+static u8 wss_config[SNDRV_CARDS];
+
+static int snd_galaxy_match(struct device *dev, unsigned int n)
+{
+ if (!enable[n])
+ return 0;
+
+ switch (port[n]) {
+ case SNDRV_AUTO_PORT:
+ dev_err(dev, "please specify port\n");
+ return 0;
+ case 0x220:
+ config[n] |= GALAXY_CONFIG_SBA_220;
+ break;
+ case 0x240:
+ config[n] |= GALAXY_CONFIG_SBA_240;
+ break;
+ case 0x260:
+ config[n] |= GALAXY_CONFIG_SBA_260;
+ break;
+ case 0x280:
+ config[n] |= GALAXY_CONFIG_SBA_280;
+ break;
+ default:
+ dev_err(dev, "invalid port %#lx\n", port[n]);
+ return 0;
+ }
+
+ switch (wss_port[n]) {
+ case SNDRV_AUTO_PORT:
+ dev_err(dev, "please specify wss_port\n");
+ return 0;
+ case 0x530:
+ config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_530;
+ break;
+ case 0x604:
+ config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_604;
+ break;
+ case 0xe80:
+ config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_E80;
+ break;
+ case 0xf40:
+ config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_F40;
+ break;
+ default:
+ dev_err(dev, "invalid WSS port %#lx\n", wss_port[n]);
+ return 0;
+ }
+
+ switch (irq[n]) {
+ case SNDRV_AUTO_IRQ:
+ dev_err(dev, "please specify irq\n");
+ return 0;
+ case 7:
+ wss_config[n] |= WSS_CONFIG_IRQ_7;
+ break;
+ case 2:
+ irq[n] = 9;
+ case 9:
+ wss_config[n] |= WSS_CONFIG_IRQ_9;
+ break;
+ case 10:
+ wss_config[n] |= WSS_CONFIG_IRQ_10;
+ break;
+ case 11:
+ wss_config[n] |= WSS_CONFIG_IRQ_11;
+ break;
+ default:
+ dev_err(dev, "invalid IRQ %d\n", irq[n]);
+ return 0;
+ }
+
+ switch (dma1[n]) {
+ case SNDRV_AUTO_DMA:
+ dev_err(dev, "please specify dma1\n");
+ return 0;
+ case 0:
+ wss_config[n] |= WSS_CONFIG_DMA_0;
+ break;
+ case 1:
+ wss_config[n] |= WSS_CONFIG_DMA_1;
+ break;
+ case 3:
+ wss_config[n] |= WSS_CONFIG_DMA_3;
+ break;
+ default:
+ dev_err(dev, "invalid playback DMA %d\n", dma1[n]);
+ return 0;
+ }
+
+ if (dma2[n] == SNDRV_AUTO_DMA || dma2[n] == dma1[n]) {
+ dma2[n] = -1;
+ goto mpu;
+ }
+
+ wss_config[n] |= WSS_CONFIG_DUPLEX;
+ switch (dma2[n]) {
+ case 0:
+ break;
+ case 1:
+ if (dma1[n] == 0)
+ break;
+ default:
+ dev_err(dev, "invalid capture DMA %d\n", dma2[n]);
+ return 0;
+ }
+
+mpu:
+ switch (mpu_port[n]) {
+ case SNDRV_AUTO_PORT:
+ dev_warn(dev, "mpu_port not specified; not using MPU-401\n");
+ mpu_port[n] = -1;
+ goto fm;
+ case 0x300:
+ config[n] |= GALAXY_CONFIG_MPU_ENABLE | GALAXY_CONFIG_MPUA_300;
+ break;
+ case 0x330:
+ config[n] |= GALAXY_CONFIG_MPU_ENABLE | GALAXY_CONFIG_MPUA_330;
+ break;
+ default:
+ dev_err(dev, "invalid MPU port %#lx\n", mpu_port[n]);
+ return 0;
+ }
+
+ switch (mpu_irq[n]) {
+ case SNDRV_AUTO_IRQ:
+ dev_warn(dev, "mpu_irq not specified: using polling mode\n");
+ mpu_irq[n] = -1;
+ break;
+ case 2:
+ mpu_irq[n] = 9;
+ case 9:
+ config[n] |= GALAXY_CONFIG_MPUIRQ_2;
+ break;
+#ifdef AZT1605
+ case 3:
+ config[n] |= GALAXY_CONFIG_MPUIRQ_3;
+ break;
+#endif
+ case 5:
+ config[n] |= GALAXY_CONFIG_MPUIRQ_5;
+ break;
+ case 7:
+ config[n] |= GALAXY_CONFIG_MPUIRQ_7;
+ break;
+#ifdef AZT2316
+ case 10:
+ config[n] |= GALAXY_CONFIG_MPUIRQ_10;
+ break;
+#endif
+ default:
+ dev_err(dev, "invalid MPU IRQ %d\n", mpu_irq[n]);
+ return 0;
+ }
+
+ if (mpu_irq[n] == irq[n]) {
+ dev_err(dev, "cannot share IRQ between WSS and MPU-401\n");
+ return 0;
+ }
+
+fm:
+ switch (fm_port[n]) {
+ case SNDRV_AUTO_PORT:
+ dev_warn(dev, "fm_port not specified: not using OPL3\n");
+ fm_port[n] = -1;
+ break;
+ case 0x388:
+ break;
+ default:
+ dev_err(dev, "illegal FM port %#lx\n", fm_port[n]);
+ return 0;
+ }
+
+ config[n] |= GALAXY_CONFIG_GAME_ENABLE;
+ return 1;
+}
+
+static int galaxy_init(struct snd_galaxy *galaxy, u8 *type)
+{
+ u8 major;
+ u8 minor;
+ int err;
+
+ err = dsp_reset(galaxy->port);
+ if (err < 0)
+ return err;
+
+ err = dsp_get_version(galaxy->port, &major, &minor);
+ if (err < 0)
+ return err;
+
+ if (major != GALAXY_DSP_MAJOR || minor != GALAXY_DSP_MINOR)
+ return -ENODEV;
+
+ err = dsp_command(galaxy->port, DSP_COMMAND_GALAXY_8);
+ if (err < 0)
+ return err;
+
+ err = dsp_command(galaxy->port, GALAXY_COMMAND_GET_TYPE);
+ if (err < 0)
+ return err;
+
+ err = dsp_get_byte(galaxy->port, type);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static int galaxy_set_mode(struct snd_galaxy *galaxy, u8 mode)
+{
+ int err;
+
+ err = dsp_command(galaxy->port, DSP_COMMAND_GALAXY_9);
+ if (err < 0)
+ return err;
+
+ err = dsp_command(galaxy->port, mode);
+ if (err < 0)
+ return err;
+
+#ifdef AZT1605
+ /*
+ * Needed for MPU IRQ on AZT1605, but AZT2316 loses WSS again
+ */
+ err = dsp_reset(galaxy->port);
+ if (err < 0)
+ return err;
+#endif
+
+ return 0;
+}
+
+static void galaxy_set_config(struct snd_galaxy *galaxy, u32 config)
+{
+ u8 tmp = ioread8(galaxy->config_port + CONFIG_PORT_SET);
+ int i;
+
+ iowrite8(tmp | 0x80, galaxy->config_port + CONFIG_PORT_SET);
+ for (i = 0; i < GALAXY_CONFIG_SIZE; i++) {
+ iowrite8(config, galaxy->config_port + i);
+ config >>= 8;
+ }
+ iowrite8(tmp & 0x7f, galaxy->config_port + CONFIG_PORT_SET);
+ msleep(10);
+}
+
+static void galaxy_config(struct snd_galaxy *galaxy, u32 config)
+{
+ int i;
+
+ for (i = GALAXY_CONFIG_SIZE; i; i--) {
+ u8 tmp = ioread8(galaxy->config_port + i - 1);
+ galaxy->config = (galaxy->config << 8) | tmp;
+ }
+ config |= galaxy->config & GALAXY_CONFIG_MASK;
+ galaxy_set_config(galaxy, config);
+}
+
+static int galaxy_wss_config(struct snd_galaxy *galaxy, u8 wss_config)
+{
+ int err;
+
+ err = wss_detect(galaxy->wss_port);
+ if (err < 0)
+ return err;
+
+ wss_set_config(galaxy->wss_port, wss_config);
+
+ err = galaxy_set_mode(galaxy, GALAXY_MODE_WSS);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static void snd_galaxy_free(struct snd_card *card)
+{
+ struct snd_galaxy *galaxy = card->private_data;
+
+ if (galaxy->wss_port) {
+ wss_set_config(galaxy->wss_port, 0);
+ ioport_unmap(galaxy->wss_port);
+ release_and_free_resource(galaxy->res_wss_port);
+ }
+ if (galaxy->config_port) {
+ galaxy_set_config(galaxy, galaxy->config);
+ ioport_unmap(galaxy->config_port);
+ release_and_free_resource(galaxy->res_config_port);
+ }
+ if (galaxy->port) {
+ ioport_unmap(galaxy->port);
+ release_and_free_resource(galaxy->res_port);
+ }
+}
+
+static int snd_galaxy_probe(struct device *dev, unsigned int n)
+{
+ struct snd_galaxy *galaxy;
+ struct snd_wss *chip;
+ struct snd_card *card;
+ u8 type;
+ int err;
+
+ err = snd_card_new(dev, index[n], id[n], THIS_MODULE,
+ sizeof(*galaxy), &card);
+ if (err < 0)
+ return err;
+
+ card->private_free = snd_galaxy_free;
+ galaxy = card->private_data;
+
+ galaxy->res_port = request_region(port[n], 16, DRV_NAME);
+ if (!galaxy->res_port) {
+ dev_err(dev, "could not grab ports %#lx-%#lx\n", port[n],
+ port[n] + 15);
+ err = -EBUSY;
+ goto error;
+ }
+ galaxy->port = ioport_map(port[n], 16);
+
+ err = galaxy_init(galaxy, &type);
+ if (err < 0) {
+ dev_err(dev, "did not find a Sound Galaxy at %#lx\n", port[n]);
+ goto error;
+ }
+ dev_info(dev, "Sound Galaxy (type %d) found at %#lx\n", type, port[n]);
+
+ galaxy->res_config_port = request_region(port[n] + GALAXY_PORT_CONFIG,
+ 16, DRV_NAME);
+ if (!galaxy->res_config_port) {
+ dev_err(dev, "could not grab ports %#lx-%#lx\n",
+ port[n] + GALAXY_PORT_CONFIG,
+ port[n] + GALAXY_PORT_CONFIG + 15);
+ err = -EBUSY;
+ goto error;
+ }
+ galaxy->config_port = ioport_map(port[n] + GALAXY_PORT_CONFIG, 16);
+
+ galaxy_config(galaxy, config[n]);
+
+ galaxy->res_wss_port = request_region(wss_port[n], 4, DRV_NAME);
+ if (!galaxy->res_wss_port) {
+ dev_err(dev, "could not grab ports %#lx-%#lx\n", wss_port[n],
+ wss_port[n] + 3);
+ err = -EBUSY;
+ goto error;
+ }
+ galaxy->wss_port = ioport_map(wss_port[n], 4);
+
+ err = galaxy_wss_config(galaxy, wss_config[n]);
+ if (err < 0) {
+ dev_err(dev, "could not configure WSS\n");
+ goto error;
+ }
+
+ strcpy(card->driver, DRV_NAME);
+ strcpy(card->shortname, DRV_NAME);
+ sprintf(card->longname, "%s at %#lx/%#lx, irq %d, dma %d/%d",
+ card->shortname, port[n], wss_port[n], irq[n], dma1[n],
+ dma2[n]);
+
+ err = snd_wss_create(card, wss_port[n] + 4, -1, irq[n], dma1[n],
+ dma2[n], WSS_HW_DETECT, 0, &chip);
+ if (err < 0)
+ goto error;
+
+ err = snd_wss_pcm(chip, 0);
+ if (err < 0)
+ goto error;
+
+ err = snd_wss_mixer(chip);
+ if (err < 0)
+ goto error;
+
+ err = snd_wss_timer(chip, 0);
+ if (err < 0)
+ goto error;
+
+ if (mpu_port[n] >= 0) {
+ err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
+ mpu_port[n], 0, mpu_irq[n], NULL);
+ if (err < 0)
+ goto error;
+ }
+
+ if (fm_port[n] >= 0) {
+ struct snd_opl3 *opl3;
+
+ err = snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
+ OPL3_HW_AUTO, 0, &opl3);
+ if (err < 0) {
+ dev_err(dev, "no OPL device at %#lx\n", fm_port[n]);
+ goto error;
+ }
+ err = snd_opl3_timer_new(opl3, 1, 2);
+ if (err < 0)
+ goto error;
+
+ err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
+ if (err < 0)
+ goto error;
+ }
+
+ err = snd_card_register(card);
+ if (err < 0)
+ goto error;
+
+ dev_set_drvdata(dev, card);
+ return 0;
+
+error:
+ snd_card_free(card);
+ return err;
+}
+
+static int snd_galaxy_remove(struct device *dev, unsigned int n)
+{
+ snd_card_free(dev_get_drvdata(dev));
+ return 0;
+}
+
+static struct isa_driver snd_galaxy_driver = {
+ .match = snd_galaxy_match,
+ .probe = snd_galaxy_probe,
+ .remove = snd_galaxy_remove,
+
+ .driver = {
+ .name = DEV_NAME
+ }
+};
+
+static int __init alsa_card_galaxy_init(void)
+{
+ return isa_register_driver(&snd_galaxy_driver, SNDRV_CARDS);
+}
+
+static void __exit alsa_card_galaxy_exit(void)
+{
+ isa_unregister_driver(&snd_galaxy_driver);
+}
+
+module_init(alsa_card_galaxy_init);
+module_exit(alsa_card_galaxy_exit);
Code Review / kvmfornfv.git / blobdiff