// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for Gallant SC-6000 soundcard. This card is also known as * Audio Excel DSP 16 or Zoltrix AV302. * These cards use CompuMedia ASC-9308 chip + AD1848 codec. * SC-6600 and SC-7000 cards are also supported. They are based on * CompuMedia ASC-9408 chip and CS4231 codec. * * Copyright (C) 2007 Krzysztof Helt <[email protected]> * * I don't have documentation for this card. I used the driver * for OSS/Free included in the kernel source as reference. */ #include <linux/module.h> #include <linux/delay.h> #include <linux/isa.h> #include <linux/io.h> #include <asm/dma.h> #include <sound/core.h> #include <sound/wss.h> #include <sound/opl3.h> #include <sound/mpu401.h> #include <sound/control.h> #define SNDRV_LEGACY_FIND_FREE_IRQ #define SNDRV_LEGACY_FIND_FREE_DMA #include <sound/initval.h> MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; static int index[SNDRV_CARDS] = …; /* Index 0-MAX */ static char *id[SNDRV_CARDS] = …; /* ID for this card */ static bool enable[SNDRV_CARDS] = …; /* Enable this card */ static long port[SNDRV_CARDS] = …; /* 0x220, 0x240 */ static int irq[SNDRV_CARDS] = …; /* 5, 7, 9, 10, 11 */ static long mss_port[SNDRV_CARDS] = …; /* 0x530, 0xe80 */ static long mpu_port[SNDRV_CARDS] = …; /* 0x300, 0x310, 0x320, 0x330 */ static int mpu_irq[SNDRV_CARDS] = …; /* 5, 7, 9, 10, 0 */ static int dma[SNDRV_CARDS] = …; /* 0, 1, 3 */ static bool joystick[SNDRV_CARDS] = …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_hw_array(port, long, ioport, NULL, 0444); MODULE_PARM_DESC(…) …; module_param_hw_array(mss_port, long, ioport, NULL, 0444); MODULE_PARM_DESC(…) …; module_param_hw_array(mpu_port, long, ioport, NULL, 0444); MODULE_PARM_DESC(…) …; module_param_hw_array(irq, int, irq, NULL, 0444); MODULE_PARM_DESC(…) …; module_param_hw_array(mpu_irq, int, irq, NULL, 0444); MODULE_PARM_DESC(…) …; module_param_hw_array(dma, int, dma, NULL, 0444); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; /* * Commands of SC6000's DSP (SBPRO+special). * Some of them are COMMAND_xx, in the future they may change. */ #define WRITE_MDIRQ_CFG … #define COMMAND_52 … #define READ_HARD_CFG … #define COMMAND_5C … #define COMMAND_60 … #define COMMAND_66 … #define COMMAND_6C … #define COMMAND_6E … #define COMMAND_88 … #define DSP_INIT_MSS … #define COMMAND_C5 … #define GET_DSP_VERSION … #define GET_DSP_COPYRIGHT … /* * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port * to have the actual I/O port. * Register permissions are: * (wo) == Write Only * (ro) == Read Only * (w-) == Write * (r-) == Read */ #define DSP_RESET … #define DSP_READ … #define DSP_WRITE … #define DSP_COMMAND … #define DSP_STATUS … #define DSP_DATAVAIL … #define PFX … #define DRV_NAME … /* hardware dependent functions */ /* * sc6000_irq_to_softcfg - Decode irq number into cfg code. */ static unsigned char sc6000_irq_to_softcfg(int irq) { … } /* * sc6000_dma_to_softcfg - Decode dma number into cfg code. */ static unsigned char sc6000_dma_to_softcfg(int dma) { … } /* * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code. */ static unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq) { … } static int sc6000_wait_data(char __iomem *vport) { … } static int sc6000_read(char __iomem *vport) { … } static int sc6000_write(char __iomem *vport, int cmd) { … } static int sc6000_dsp_get_answer(char __iomem *vport, int command, char *data, int data_len) { … } static int sc6000_dsp_reset(char __iomem *vport) { … } /* detection and initialization */ static int sc6000_hw_cfg_write(char __iomem *vport, const int *cfg) { … } static int sc6000_cfg_write(char __iomem *vport, unsigned char softcfg) { … } static int sc6000_setup_board(char __iomem *vport, int config) { … } static int sc6000_init_mss(char __iomem *vport, int config, char __iomem *vmss_port, int mss_config) { … } static void sc6000_hw_cfg_encode(char __iomem *vport, int *cfg, long xport, long xmpu, long xmss_port, int joystick) { … } static int sc6000_init_board(char __iomem *vport, char __iomem *vmss_port, int dev) { … } static int snd_sc6000_mixer(struct snd_wss *chip) { … } static int snd_sc6000_match(struct device *devptr, unsigned int dev) { … } static void snd_sc6000_free(struct snd_card *card) { … } static int __snd_sc6000_probe(struct device *devptr, unsigned int dev) { … } static int snd_sc6000_probe(struct device *devptr, unsigned int dev) { … } static struct isa_driver snd_sc6000_driver = …; module_isa_driver(snd_sc6000_driver, SNDRV_CARDS);
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