1 // SPDX-License-Identifier: GPL-2.0-or-later
34 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  variable
43 module_param_hw_array(port, long, ioport, NULL, 0444);
44 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
46 MODULE_PARM_DESC(wss_port, "WSS port # for " CRD_NAME " driver.");
48 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
50 MODULE_PARM_DESC(fm_port, "FM port # for " CRD_NAME " driver.");
54 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
74 static int dsp_get_byte(void __iomem *port, u8 *val)  in dsp_get_byte()  argument
78 	while (!(ioread8(port + DSP_PORT_DATA_AVAIL) & 0x80)) {  in dsp_get_byte()
79 		if (!loops--)  in dsp_get_byte()
80 			return -EIO;  in dsp_get_byte()
83 	*val = ioread8(port + DSP_PORT_READ);  in dsp_get_byte()
87 static int dsp_reset(void __iomem *port)  in dsp_reset()  argument
91 	iowrite8(1, port + DSP_PORT_RESET);  in dsp_reset()
93 	iowrite8(0, port + DSP_PORT_RESET);  in dsp_reset()
95 	if (dsp_get_byte(port, &val) < 0 || val != DSP_SIGNATURE)  in dsp_reset()
96 		return -ENODEV;  in dsp_reset()
101 static int dsp_command(void __iomem *port, u8 cmd)  in dsp_command()  argument
105 	while (ioread8(port + DSP_PORT_STATUS) & 0x80) {  in dsp_command()
106 		if (!loops--)  in dsp_command()
107 			return -EIO;  in dsp_command()
110 	iowrite8(cmd, port + DSP_PORT_COMMAND);  in dsp_command()
114 static int dsp_get_version(void __iomem *port, u8 *major, u8 *minor)  in dsp_get_version()  argument
118 	err = dsp_command(port, DSP_COMMAND_GET_VERSION);  in dsp_get_version()
122 	err = dsp_get_byte(port, major);  in dsp_get_version()
126 	err = dsp_get_byte(port, minor);  in dsp_get_version()
154 		return -ENODEV;  in wss_detect()
182 	void __iomem *port;  member
185 	u32 config;  member
191 static u32 config[SNDRV_CARDS];  variable
199 	switch (port[n]) {  in snd_galaxy_match()
201 		dev_err(dev, "please specify port\n");  in snd_galaxy_match()
204 		config[n] |= GALAXY_CONFIG_SBA_220;  in snd_galaxy_match()
207 		config[n] |= GALAXY_CONFIG_SBA_240;  in snd_galaxy_match()
210 		config[n] |= GALAXY_CONFIG_SBA_260;  in snd_galaxy_match()
213 		config[n] |= GALAXY_CONFIG_SBA_280;  in snd_galaxy_match()
216 		dev_err(dev, "invalid port %#lx\n", port[n]);  in snd_galaxy_match()
225 		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_530;  in snd_galaxy_match()
228 		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_604;  in snd_galaxy_match()
231 		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_E80;  in snd_galaxy_match()
234 		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_F40;  in snd_galaxy_match()
237 		dev_err(dev, "invalid WSS port %#lx\n", wss_port[n]);  in snd_galaxy_match()
284 		dma2[n] = -1;  in snd_galaxy_match()
304 		dev_warn(dev, "mpu_port not specified; not using MPU-401\n");  in snd_galaxy_match()
305 		mpu_port[n] = -1;  in snd_galaxy_match()
308 		config[n] |= GALAXY_CONFIG_MPU_ENABLE | GALAXY_CONFIG_MPUA_300;  in snd_galaxy_match()
311 		config[n] |= GALAXY_CONFIG_MPU_ENABLE | GALAXY_CONFIG_MPUA_330;  in snd_galaxy_match()
314 		dev_err(dev, "invalid MPU port %#lx\n", mpu_port[n]);  in snd_galaxy_match()
321 		mpu_irq[n] = -1;  in snd_galaxy_match()
327 		config[n] |= GALAXY_CONFIG_MPUIRQ_2;  in snd_galaxy_match()
331 		config[n] |= GALAXY_CONFIG_MPUIRQ_3;  in snd_galaxy_match()
335 		config[n] |= GALAXY_CONFIG_MPUIRQ_5;  in snd_galaxy_match()
338 		config[n] |= GALAXY_CONFIG_MPUIRQ_7;  in snd_galaxy_match()
342 		config[n] |= GALAXY_CONFIG_MPUIRQ_10;  in snd_galaxy_match()
351 		dev_err(dev, "cannot share IRQ between WSS and MPU-401\n");  in snd_galaxy_match()
359 		fm_port[n] = -1;  in snd_galaxy_match()
364 		dev_err(dev, "illegal FM port %#lx\n", fm_port[n]);  in snd_galaxy_match()
368 	config[n] |= GALAXY_CONFIG_GAME_ENABLE;  in snd_galaxy_match()
378 	err = dsp_reset(galaxy->port);  in galaxy_init()
382 	err = dsp_get_version(galaxy->port, &major, &minor);  in galaxy_init()
387 		return -ENODEV;  in galaxy_init()
389 	err = dsp_command(galaxy->port, DSP_COMMAND_GALAXY_8);  in galaxy_init()
393 	err = dsp_command(galaxy->port, GALAXY_COMMAND_GET_TYPE);  in galaxy_init()
397 	err = dsp_get_byte(galaxy->port, type);  in galaxy_init()
408 	err = dsp_command(galaxy->port, DSP_COMMAND_GALAXY_9);  in galaxy_set_mode()
412 	err = dsp_command(galaxy->port, mode);  in galaxy_set_mode()
420 	err = dsp_reset(galaxy->port);  in galaxy_set_mode()
428 static void galaxy_set_config(struct snd_galaxy *galaxy, u32 config)  in galaxy_set_config()  argument
430 	u8 tmp = ioread8(galaxy->config_port + CONFIG_PORT_SET);  in galaxy_set_config()
433 	iowrite8(tmp | 0x80, galaxy->config_port + CONFIG_PORT_SET);  in galaxy_set_config()
435 		iowrite8(config, galaxy->config_port + i);  in galaxy_set_config()
436 		config >>= 8;  in galaxy_set_config()
438 	iowrite8(tmp & 0x7f, galaxy->config_port + CONFIG_PORT_SET);  in galaxy_set_config()
442 static void galaxy_config(struct snd_galaxy *galaxy, u32 config)  in galaxy_config()  argument
446 	for (i = GALAXY_CONFIG_SIZE; i; i--) {  in galaxy_config()
447 		u8 tmp = ioread8(galaxy->config_port + i - 1);  in galaxy_config()
448 		galaxy->config = (galaxy->config << 8) | tmp;  in galaxy_config()
450 	config |= galaxy->config & GALAXY_CONFIG_MASK;  in galaxy_config()
451 	galaxy_set_config(galaxy, config);  in galaxy_config()
458 	err = wss_detect(galaxy->wss_port);  in galaxy_wss_config()
462 	wss_set_config(galaxy->wss_port, wss_config);  in galaxy_wss_config()
473 	struct snd_galaxy *galaxy = card->private_data;  in snd_galaxy_free()
475 	if (galaxy->wss_port)  in snd_galaxy_free()
476 		wss_set_config(galaxy->wss_port, 0);  in snd_galaxy_free()
477 	if (galaxy->config_port)  in snd_galaxy_free()
478 		galaxy_set_config(galaxy, galaxy->config);  in snd_galaxy_free()
494 	card->private_free = snd_galaxy_free;  in __snd_galaxy_probe()
495 	galaxy = card->private_data;  in __snd_galaxy_probe()
497 	galaxy->res_port = devm_request_region(dev, port[n], 16, DRV_NAME);  in __snd_galaxy_probe()
498 	if (!galaxy->res_port) {  in __snd_galaxy_probe()
499 		dev_err(dev, "could not grab ports %#lx-%#lx\n", port[n],  in __snd_galaxy_probe()
500 			port[n] + 15);  in __snd_galaxy_probe()
501 		return -EBUSY;  in __snd_galaxy_probe()
503 	galaxy->port = devm_ioport_map(dev, port[n], 16);  in __snd_galaxy_probe()
504 	if (!galaxy->port)  in __snd_galaxy_probe()
505 		return -ENOMEM;  in __snd_galaxy_probe()
509 		dev_err(dev, "did not find a Sound Galaxy at %#lx\n", port[n]);  in __snd_galaxy_probe()
512 	dev_info(dev, "Sound Galaxy (type %d) found at %#lx\n", type, port[n]);  in __snd_galaxy_probe()
514 	galaxy->res_config_port =  in __snd_galaxy_probe()
515 		devm_request_region(dev, port[n] + GALAXY_PORT_CONFIG, 16,  in __snd_galaxy_probe()
517 	if (!galaxy->res_config_port) {  in __snd_galaxy_probe()
518 		dev_err(dev, "could not grab ports %#lx-%#lx\n",  in __snd_galaxy_probe()
519 			port[n] + GALAXY_PORT_CONFIG,  in __snd_galaxy_probe()
520 			port[n] + GALAXY_PORT_CONFIG + 15);  in __snd_galaxy_probe()
521 		return -EBUSY;  in __snd_galaxy_probe()
523 	galaxy->config_port =  in __snd_galaxy_probe()
524 		devm_ioport_map(dev, port[n] + GALAXY_PORT_CONFIG, 16);  in __snd_galaxy_probe()
525 	if (!galaxy->config_port)  in __snd_galaxy_probe()
526 		return -ENOMEM;  in __snd_galaxy_probe()
527 	galaxy_config(galaxy, config[n]);  in __snd_galaxy_probe()
529 	galaxy->res_wss_port = devm_request_region(dev, wss_port[n], 4, DRV_NAME);  in __snd_galaxy_probe()
530 	if (!galaxy->res_wss_port)  {  in __snd_galaxy_probe()
531 		dev_err(dev, "could not grab ports %#lx-%#lx\n", wss_port[n],  in __snd_galaxy_probe()
533 		return -EBUSY;  in __snd_galaxy_probe()
535 	galaxy->wss_port = devm_ioport_map(dev, wss_port[n], 4);  in __snd_galaxy_probe()
536 	if (!galaxy->wss_port)  in __snd_galaxy_probe()
537 		return -ENOMEM;  in __snd_galaxy_probe()
545 	strcpy(card->driver, DRV_NAME);  in __snd_galaxy_probe()
546 	strcpy(card->shortname, DRV_NAME);  in __snd_galaxy_probe()
547 	sprintf(card->longname, "%s at %#lx/%#lx, irq %d, dma %d/%d",  in __snd_galaxy_probe()
548 		card->shortname, port[n], wss_port[n], irq[n], dma1[n],  in __snd_galaxy_probe()
551 	err = snd_wss_create(card, wss_port[n] + 4, -1, irq[n], dma1[n],  in __snd_galaxy_probe()