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");
33 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
43 static bool joystick[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = false };
46 MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard.");
48 MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard.");
50 MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard.");
52 MODULE_PARM_DESC(port, "Port # for sc-6000 driver.");
54 MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver.");
56 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver.");
58 MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver.");
60 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver.");
62 MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver.");
67  * Commands of SC6000's DSP (SBPRO+special).
81 #define GET_DSP_VERSION	0xe1	/* Get DSP Version			*/
82 #define GET_DSP_COPYRIGHT 0xe3	/* Get DSP Copyright			*/
85  * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port
90  * (w-) == Write
91  * (r-) == Read
93 #define DSP_RESET	0x06	/* offset of DSP RESET		(wo) */
94 #define DSP_READ	0x0a	/* offset of DSP READ		(ro) */
95 #define DSP_WRITE	0x0c	/* offset of DSP WRITE		(w-) */
96 #define DSP_COMMAND	0x0c	/* offset of DSP COMMAND	(w-) */
97 #define DSP_STATUS	0x0c	/* offset of DSP STATUS		(r-) */
98 #define DSP_DATAVAIL	0x0e	/* offset of DSP DATA AVAILABLE	(ro) */
101 #define DRV_NAME "SC-6000"
106  * sc6000_irq_to_softcfg - Decode irq number into cfg code.
135  * sc6000_dma_to_softcfg - Decode dma number into cfg code.
158  * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code.
193 	} while (loop--);  in sc6000_wait_data()
195 	return -EAGAIN;  in sc6000_wait_data()
201 		return -EBUSY;  in sc6000_read()
215 		 * DSP ready to receive data if bit 7 of val == 0  in sc6000_write()
222 	} while (loop--);  in sc6000_write()
224 	dev_err(devptr, "DSP Command (0x%x) timeout.\n", cmd);  in sc6000_write()
226 	return -EIO;  in sc6000_write()
237 		return -EIO;  in sc6000_dsp_get_answer()
254 	return len ? len : -EIO;  in sc6000_dsp_get_answer()
265 	return -ENODEV;  in sc6000_dsp_reset()
274 		return -EIO;  in sc6000_hw_cfg_write()
278 		return -EIO;  in sc6000_hw_cfg_write()
282 		return -EIO;  in sc6000_hw_cfg_write()
286 		return -EIO;  in sc6000_hw_cfg_write()
290 		return -EIO;  in sc6000_hw_cfg_write()
302 		return -EIO;  in sc6000_cfg_write()
306 		return -EIO;  in sc6000_cfg_write()
320 			return -EIO;  in sc6000_setup_board()
322 	} while ((sc6000_wait_data(vport) < 0) && loop--);  in sc6000_setup_board()
327 		return -EIO;  in sc6000_setup_board()
331 		return -ENODEV;  in sc6000_setup_board()
343 		return -EIO;  in sc6000_init_mss()
349 		return -EIO;  in sc6000_init_mss()
402 		return -ENODEV;  in sc6000_init_board()
405 	 * My SC-6000 card return "SC-6000" in DSPCopyright, so  in sc6000_init_board()
408 	if (strncmp("SC-6000", answer, 7))  in sc6000_init_board()
409 		dev_warn(devptr, "Warning: non SC-6000 audio card!\n");  in sc6000_init_board()
413 		return -ENODEV;  in sc6000_init_board()
415 	dev_info(devptr, "Detected model: %s, DSP version %d.%d\n",  in sc6000_init_board()
430 			return -EIO;  in sc6000_init_board()
436 		return -ENODEV;  in sc6000_init_board()
450 		return -ENODEV;  in sc6000_init_board()
455 		return -ENODEV;  in sc6000_init_board()
463 	struct snd_card *card = chip->card;  in snd_sc6000_mixer()
526 		dev_err(devptr, "invalid MPU-401 port %lx\n",  in snd_sc6000_match()
533 		dev_err(devptr, "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);  in snd_sc6000_match()
541 	char __iomem *vport = (char __force __iomem *)card->private_data;  in snd_sc6000_free()
544 		sc6000_setup_board(card->dev, vport, 0);  in snd_sc6000_free()
549 	static const int possible_irqs[] = { 5, 7, 9, 10, 11, -1 };  in __snd_sc6000_probe()
550 	static const int possible_dmas[] = { 1, 3, 0, -1 };  in __snd_sc6000_probe()
569 			return -EBUSY;  in __snd_sc6000_probe()
577 			return -EBUSY;  in __snd_sc6000_probe()
583 		return -EBUSY;  in __snd_sc6000_probe()
588 		return -EBUSY;  in __snd_sc6000_probe()
590 	card->private_data = (void __force *)vport;  in __snd_sc6000_probe()
595 			"SC-6000 port I/O port region is already in use.\n");  in __snd_sc6000_probe()
596 		return -EBUSY;  in __snd_sc6000_probe()
601 		return -EBUSY;  in __snd_sc6000_probe()
611 	card->private_free = snd_sc6000_free;  in __snd_sc6000_probe()
613 	err = snd_wss_create(card, mss_port[dev] + 4,  -1, xirq, xdma, -1,  in __snd_sc6000_probe()
636 		dev_err(devptr, "no OPL device at 0x%x-0x%x ?\n",  in __snd_sc6000_probe()
646 			mpu_irq[dev] = -1;  in __snd_sc6000_probe()
651 			dev_err(devptr, "no MPU-401 device at 0x%lx ?\n",  in __snd_sc6000_probe()
655 	strcpy(card->driver, DRV_NAME);  in __snd_sc6000_probe()
656 	strcpy(card->shortname, "SC-6000");  in __snd_sc6000_probe()
657 	sprintf(card->longname, "Gallant SC-6000 at 0x%lx, irq %d, dma %d",  in __snd_sc6000_probe()