1 // SPDX-License-Identifier: GPL-2.0-or-later
3  *  Driver for Gallant SC-6000 soundcard. This card is also known as
4  *  Audio Excel DSP 16 or Zoltrix AV302.
5  *  These cards use CompuMedia ASC-9308 chip + AD1848 codec.
6  *  SC-6600 and SC-7000 cards are also supported. They are based on
7  *  CompuMedia ASC-9408 chip and CS4231 codec.
30 MODULE_DESCRIPTION("Gallant SC-6000");
32 MODULE_SUPPORTED_DEVICE("{{Gallant, SC-6000},"
33 			"{AudioExcel, Audio Excel DSP 16},"
36 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
46 static bool joystick[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = false };
49 MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard.");
51 MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard.");
53 MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard.");
55 MODULE_PARM_DESC(port, "Port # for sc-6000 driver.");
57 MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver.");
59 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver.");
61 MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver.");
63 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver.");
65 MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver.");
70  * Commands of SC6000's DSP (SBPRO+special).
73 #define WRITE_MDIRQ_CFG	0x50	/* Set M&I&DRQ mask (the real config)	*/
75 #define READ_HARD_CFG	0x58	/* Read Hardware Config (I/O base etc)	*/
84 #define GET_DSP_VERSION	0xe1	/* Get DSP Version			*/
85 #define GET_DSP_COPYRIGHT 0xe3	/* Get DSP Copyright			*/
88  * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port
93  * (w-) == Write
94  * (r-) == Read
96 #define DSP_RESET	0x06	/* offset of DSP RESET		(wo) */
97 #define DSP_READ	0x0a	/* offset of DSP READ		(ro) */
98 #define DSP_WRITE	0x0c	/* offset of DSP WRITE		(w-) */
99 #define DSP_COMMAND	0x0c	/* offset of DSP COMMAND	(w-) */
100 #define DSP_STATUS	0x0c	/* offset of DSP STATUS		(r-) */
101 #define DSP_DATAVAIL	0x0e	/* offset of DSP DATA AVAILABLE	(ro) */
104 #define DRV_NAME "SC-6000"
109  * sc6000_irq_to_softcfg - Decode irq number into cfg code.
138  * sc6000_dma_to_softcfg - Decode dma number into cfg code.
161  * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code.
196 	} while (loop--);  in sc6000_wait_data()
198 	return -EAGAIN;  in sc6000_wait_data()
204 		return -EBUSY;  in sc6000_read()
218 		 * DSP ready to receive data if bit 7 of val == 0  in sc6000_write()
225 	} while (loop--);  in sc6000_write()
227 	snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n", cmd);  in sc6000_write()
229 	return -EIO;  in sc6000_write()
239 		return -EIO;  in sc6000_dsp_get_answer()
256 	return len ? len : -EIO;  in sc6000_dsp_get_answer()
267 	return -ENODEV;  in sc6000_dsp_reset()
275 		return -EIO;  in sc6000_hw_cfg_write()
279 		return -EIO;  in sc6000_hw_cfg_write()
283 		return -EIO;  in sc6000_hw_cfg_write()
287 		return -EIO;  in sc6000_hw_cfg_write()
291 		return -EIO;  in sc6000_hw_cfg_write()
302 		return -EIO;  in sc6000_cfg_write()
306 		return -EIO;  in sc6000_cfg_write()
311 static int sc6000_setup_board(char __iomem *vport, int config)  in sc6000_setup_board()  argument
319 			return -EIO;  in sc6000_setup_board()
321 	} while ((sc6000_wait_data(vport) < 0) && loop--);  in sc6000_setup_board()
326 		return -EIO;  in sc6000_setup_board()
329 	if (sc6000_cfg_write(vport, config))  in sc6000_setup_board()
330 		return -ENODEV;  in sc6000_setup_board()
335 static int sc6000_init_mss(char __iomem *vport, int config,  in sc6000_init_mss()  argument
341 		return -EIO;  in sc6000_init_mss()
346 	if (sc6000_cfg_write(vport, config))  in sc6000_init_mss()
347 		return -EIO;  in sc6000_init_mss()
383 	int config = mss_config |  in sc6000_init_board()  local
398 		return -ENODEV;  in sc6000_init_board()
401 	 * My SC-6000 card return "SC-6000" in DSPCopyright, so  in sc6000_init_board()
404 	if (strncmp("SC-6000", answer, 7))  in sc6000_init_board()
405 		snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n");  in sc6000_init_board()
409 		return -ENODEV;  in sc6000_init_board()
411 	printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n",  in sc6000_init_board()
425 			return -EIO;  in sc6000_init_board()
428 	err = sc6000_setup_board(vport, config);  in sc6000_init_board()
431 		return -ENODEV;  in sc6000_init_board()
442 	err = sc6000_setup_board(vport, config);  in sc6000_init_board()
445 		return -ENODEV;  in sc6000_init_board()
447 	err = sc6000_init_mss(vport, config, vmss_port, mss_config);  in sc6000_init_board()
451 		return -ENODEV;  in sc6000_init_board()
459 	struct snd_card *card = chip->card;  in snd_sc6000_mixer()
468 	strcpy(id1.name, "Aux Playback Switch");  in snd_sc6000_mixer()
469 	strcpy(id2.name, "FM Playback Switch");  in snd_sc6000_mixer()
473 	strcpy(id1.name, "Aux Playback Volume");  in snd_sc6000_mixer()
474 	strcpy(id2.name, "FM Playback Volume");  in snd_sc6000_mixer()
479 	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;  in snd_sc6000_mixer()
480 	strcpy(id2.name, "CD Playback Switch");  in snd_sc6000_mixer()
484 	strcpy(id1.name, "Aux Playback Volume");  in snd_sc6000_mixer()
485 	strcpy(id2.name, "CD Playback Volume");  in snd_sc6000_mixer()
522 		printk(KERN_ERR PFX "invalid MPU-401 port %lx\n",  in snd_sc6000_match()
529 		printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);  in snd_sc6000_match()
537 	static const int possible_irqs[] = { 5, 7, 9, 10, 11, -1 };  in snd_sc6000_probe()
538 	static const int possible_dmas[] = { 1, 3, 0, -1 };  in snd_sc6000_probe()
554 	vport = card->private_data;  in snd_sc6000_probe()
559 			err = -EBUSY;  in snd_sc6000_probe()
568 			err = -EBUSY;  in snd_sc6000_probe()
576 		err = -EBUSY;  in snd_sc6000_probe()
583 		err = -EBUSY;  in snd_sc6000_probe()
590 			   "SC-6000 port I/O port region is already in use.\n");  in snd_sc6000_probe()
591 		err = -EBUSY;  in snd_sc6000_probe()
598 		err = -EBUSY;  in snd_sc6000_probe()
610 	err = snd_wss_create(card, mss_port[dev] + 4,  -1, xirq, xdma, -1,  in snd_sc6000_probe()
634 		snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n",  in snd_sc6000_probe()
644 			mpu_irq[dev] = -1;  in snd_sc6000_probe()
649 			snd_printk(KERN_ERR "no MPU-401 device at 0x%lx ?\n",  in snd_sc6000_probe()
653 	strcpy(card->driver, DRV_NAME);  in snd_sc6000_probe()
654 	strcpy(card->shortname, "SC-6000");  in snd_sc6000_probe()
655 	sprintf(card->longname, "Gallant SC-6000 at 0x%lx, irq %d, dma %d",  in snd_sc6000_probe()
678 	char __iomem **vport = card->private_data;  in snd_sc6000_remove()
696 		.name	= DRV_NAME,