681 строка
17 KiB
C
681 строка
17 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Driver for Gallant SC-6000 soundcard. This card is also known as
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* Audio Excel DSP 16 or Zoltrix AV302.
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* These cards use CompuMedia ASC-9308 chip + AD1848 codec.
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* SC-6600 and SC-7000 cards are also supported. They are based on
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* CompuMedia ASC-9408 chip and CS4231 codec.
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*
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* Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
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*
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* I don't have documentation for this card. I used the driver
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* for OSS/Free included in the kernel source as reference.
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*/
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/isa.h>
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#include <linux/io.h>
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#include <asm/dma.h>
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#include <sound/core.h>
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#include <sound/wss.h>
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#include <sound/opl3.h>
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#include <sound/mpu401.h>
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#include <sound/control.h>
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#define SNDRV_LEGACY_FIND_FREE_IRQ
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#define SNDRV_LEGACY_FIND_FREE_DMA
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#include <sound/initval.h>
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MODULE_AUTHOR("Krzysztof Helt");
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MODULE_DESCRIPTION("Gallant SC-6000");
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MODULE_LICENSE("GPL");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
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static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220, 0x240 */
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static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 11 */
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static long mss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530, 0xe80 */
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static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
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/* 0x300, 0x310, 0x320, 0x330 */
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static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 0 */
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static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0, 1, 3 */
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static bool joystick[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = false };
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard.");
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module_param_hw_array(port, long, ioport, NULL, 0444);
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MODULE_PARM_DESC(port, "Port # for sc-6000 driver.");
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module_param_hw_array(mss_port, long, ioport, NULL, 0444);
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MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver.");
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module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
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MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver.");
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module_param_hw_array(irq, int, irq, NULL, 0444);
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MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver.");
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module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
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MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver.");
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module_param_hw_array(dma, int, dma, NULL, 0444);
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MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver.");
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module_param_array(joystick, bool, NULL, 0444);
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MODULE_PARM_DESC(joystick, "Enable gameport.");
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/*
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* Commands of SC6000's DSP (SBPRO+special).
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* Some of them are COMMAND_xx, in the future they may change.
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*/
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#define WRITE_MDIRQ_CFG 0x50 /* Set M&I&DRQ mask (the real config) */
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#define COMMAND_52 0x52 /* */
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#define READ_HARD_CFG 0x58 /* Read Hardware Config (I/O base etc) */
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#define COMMAND_5C 0x5c /* */
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#define COMMAND_60 0x60 /* */
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#define COMMAND_66 0x66 /* */
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#define COMMAND_6C 0x6c /* */
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#define COMMAND_6E 0x6e /* */
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#define COMMAND_88 0x88 /* Unknown command */
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#define DSP_INIT_MSS 0x8c /* Enable Microsoft Sound System mode */
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#define COMMAND_C5 0xc5 /* */
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#define GET_DSP_VERSION 0xe1 /* Get DSP Version */
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#define GET_DSP_COPYRIGHT 0xe3 /* Get DSP Copyright */
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/*
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* Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port
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* to have the actual I/O port.
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* Register permissions are:
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* (wo) == Write Only
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* (ro) == Read Only
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* (w-) == Write
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* (r-) == Read
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*/
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#define DSP_RESET 0x06 /* offset of DSP RESET (wo) */
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#define DSP_READ 0x0a /* offset of DSP READ (ro) */
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#define DSP_WRITE 0x0c /* offset of DSP WRITE (w-) */
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#define DSP_COMMAND 0x0c /* offset of DSP COMMAND (w-) */
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#define DSP_STATUS 0x0c /* offset of DSP STATUS (r-) */
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#define DSP_DATAVAIL 0x0e /* offset of DSP DATA AVAILABLE (ro) */
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#define PFX "sc6000: "
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#define DRV_NAME "SC-6000"
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/* hardware dependent functions */
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/*
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* sc6000_irq_to_softcfg - Decode irq number into cfg code.
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*/
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static unsigned char sc6000_irq_to_softcfg(int irq)
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{
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unsigned char val = 0;
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switch (irq) {
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case 5:
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val = 0x28;
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break;
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case 7:
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val = 0x8;
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break;
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case 9:
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val = 0x10;
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break;
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case 10:
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val = 0x18;
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break;
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case 11:
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val = 0x20;
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break;
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default:
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break;
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}
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return val;
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}
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/*
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* sc6000_dma_to_softcfg - Decode dma number into cfg code.
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*/
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static unsigned char sc6000_dma_to_softcfg(int dma)
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{
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unsigned char val = 0;
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switch (dma) {
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case 0:
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val = 1;
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break;
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case 1:
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val = 2;
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break;
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case 3:
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val = 3;
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break;
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default:
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break;
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}
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return val;
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}
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/*
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* sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code.
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*/
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static unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq)
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{
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unsigned char val = 0;
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switch (mpu_irq) {
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case 5:
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val = 4;
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break;
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case 7:
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val = 0x44;
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break;
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case 9:
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val = 0x84;
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break;
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case 10:
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val = 0xc4;
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break;
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default:
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break;
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}
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return val;
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}
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static int sc6000_wait_data(char __iomem *vport)
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{
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int loop = 1000;
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unsigned char val = 0;
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do {
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val = ioread8(vport + DSP_DATAVAIL);
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if (val & 0x80)
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return 0;
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cpu_relax();
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} while (loop--);
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return -EAGAIN;
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}
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static int sc6000_read(char __iomem *vport)
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{
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if (sc6000_wait_data(vport))
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return -EBUSY;
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return ioread8(vport + DSP_READ);
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}
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static int sc6000_write(char __iomem *vport, int cmd)
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{
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unsigned char val;
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int loop = 500000;
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do {
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val = ioread8(vport + DSP_STATUS);
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/*
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* DSP ready to receive data if bit 7 of val == 0
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*/
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if (!(val & 0x80)) {
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iowrite8(cmd, vport + DSP_COMMAND);
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return 0;
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}
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cpu_relax();
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} while (loop--);
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snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n", cmd);
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return -EIO;
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}
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static int sc6000_dsp_get_answer(char __iomem *vport, int command,
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char *data, int data_len)
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{
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int len = 0;
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if (sc6000_write(vport, command)) {
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snd_printk(KERN_ERR "CMD 0x%x: failed!\n", command);
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return -EIO;
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}
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do {
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int val = sc6000_read(vport);
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if (val < 0)
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break;
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data[len++] = val;
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} while (len < data_len);
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/*
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* If no more data available, return to the caller, no error if len>0.
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* We have no other way to know when the string is finished.
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*/
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return len ? len : -EIO;
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}
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static int sc6000_dsp_reset(char __iomem *vport)
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{
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iowrite8(1, vport + DSP_RESET);
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udelay(10);
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iowrite8(0, vport + DSP_RESET);
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udelay(20);
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if (sc6000_read(vport) == 0xaa)
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return 0;
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return -ENODEV;
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}
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/* detection and initialization */
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static int sc6000_hw_cfg_write(char __iomem *vport, const int *cfg)
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{
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if (sc6000_write(vport, COMMAND_6C) < 0) {
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snd_printk(KERN_WARNING "CMD 0x%x: failed!\n", COMMAND_6C);
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return -EIO;
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}
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if (sc6000_write(vport, COMMAND_5C) < 0) {
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snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_5C);
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return -EIO;
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}
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if (sc6000_write(vport, cfg[0]) < 0) {
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snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[0]);
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return -EIO;
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}
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if (sc6000_write(vport, cfg[1]) < 0) {
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snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[1]);
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return -EIO;
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}
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if (sc6000_write(vport, COMMAND_C5) < 0) {
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snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_C5);
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return -EIO;
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}
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return 0;
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}
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static int sc6000_cfg_write(char __iomem *vport, unsigned char softcfg)
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{
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if (sc6000_write(vport, WRITE_MDIRQ_CFG)) {
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snd_printk(KERN_ERR "CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);
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return -EIO;
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}
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if (sc6000_write(vport, softcfg)) {
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snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
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return -EIO;
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}
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return 0;
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}
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static int sc6000_setup_board(char __iomem *vport, int config)
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{
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int loop = 10;
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do {
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if (sc6000_write(vport, COMMAND_88)) {
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snd_printk(KERN_ERR "CMD 0x%x: failed!\n",
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COMMAND_88);
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return -EIO;
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}
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} while ((sc6000_wait_data(vport) < 0) && loop--);
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if (sc6000_read(vport) < 0) {
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snd_printk(KERN_ERR "sc6000_read after CMD 0x%x: failed\n",
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COMMAND_88);
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return -EIO;
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}
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if (sc6000_cfg_write(vport, config))
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return -ENODEV;
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return 0;
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}
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static int sc6000_init_mss(char __iomem *vport, int config,
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char __iomem *vmss_port, int mss_config)
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{
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if (sc6000_write(vport, DSP_INIT_MSS)) {
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snd_printk(KERN_ERR "sc6000_init_mss [0x%x]: failed!\n",
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DSP_INIT_MSS);
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return -EIO;
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}
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msleep(10);
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if (sc6000_cfg_write(vport, config))
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return -EIO;
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iowrite8(mss_config, vmss_port);
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return 0;
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}
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static void sc6000_hw_cfg_encode(char __iomem *vport, int *cfg,
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long xport, long xmpu,
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long xmss_port, int joystick)
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{
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cfg[0] = 0;
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cfg[1] = 0;
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if (xport == 0x240)
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cfg[0] |= 1;
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if (xmpu != SNDRV_AUTO_PORT) {
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cfg[0] |= (xmpu & 0x30) >> 2;
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cfg[1] |= 0x20;
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}
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if (xmss_port == 0xe80)
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cfg[0] |= 0x10;
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cfg[0] |= 0x40; /* always set */
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if (!joystick)
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cfg[0] |= 0x02;
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cfg[1] |= 0x80; /* enable WSS system */
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cfg[1] &= ~0x40; /* disable IDE */
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snd_printd("hw cfg %x, %x\n", cfg[0], cfg[1]);
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}
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static int sc6000_init_board(char __iomem *vport,
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char __iomem *vmss_port, int dev)
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{
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char answer[15];
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char version[2];
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int mss_config = sc6000_irq_to_softcfg(irq[dev]) |
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sc6000_dma_to_softcfg(dma[dev]);
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int config = mss_config |
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sc6000_mpu_irq_to_softcfg(mpu_irq[dev]);
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int err;
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int old = 0;
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err = sc6000_dsp_reset(vport);
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if (err < 0) {
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snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n");
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return err;
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}
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memset(answer, 0, sizeof(answer));
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err = sc6000_dsp_get_answer(vport, GET_DSP_COPYRIGHT, answer, 15);
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if (err <= 0) {
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snd_printk(KERN_ERR "sc6000_dsp_copyright: failed!\n");
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return -ENODEV;
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}
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/*
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* My SC-6000 card return "SC-6000" in DSPCopyright, so
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* if we have something different, we have to be warned.
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*/
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if (strncmp("SC-6000", answer, 7))
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snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n");
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if (sc6000_dsp_get_answer(vport, GET_DSP_VERSION, version, 2) < 2) {
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snd_printk(KERN_ERR "sc6000_dsp_version: failed!\n");
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return -ENODEV;
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}
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printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n",
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answer, version[0], version[1]);
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/* set configuration */
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sc6000_write(vport, COMMAND_5C);
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if (sc6000_read(vport) < 0)
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old = 1;
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if (!old) {
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int cfg[2];
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sc6000_hw_cfg_encode(vport, &cfg[0], port[dev], mpu_port[dev],
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mss_port[dev], joystick[dev]);
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if (sc6000_hw_cfg_write(vport, cfg) < 0) {
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snd_printk(KERN_ERR "sc6000_hw_cfg_write: failed!\n");
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return -EIO;
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}
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}
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err = sc6000_setup_board(vport, config);
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if (err < 0) {
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snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
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return -ENODEV;
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}
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sc6000_dsp_reset(vport);
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if (!old) {
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sc6000_write(vport, COMMAND_60);
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sc6000_write(vport, 0x02);
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sc6000_dsp_reset(vport);
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}
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err = sc6000_setup_board(vport, config);
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if (err < 0) {
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snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
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return -ENODEV;
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}
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err = sc6000_init_mss(vport, config, vmss_port, mss_config);
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if (err < 0) {
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snd_printk(KERN_ERR "Cannot initialize "
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"Microsoft Sound System mode.\n");
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return -ENODEV;
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}
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return 0;
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}
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static int snd_sc6000_mixer(struct snd_wss *chip)
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{
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struct snd_card *card = chip->card;
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struct snd_ctl_elem_id id1, id2;
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int err;
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memset(&id1, 0, sizeof(id1));
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memset(&id2, 0, sizeof(id2));
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id1.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
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id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
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/* reassign AUX0 to FM */
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strcpy(id1.name, "Aux Playback Switch");
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strcpy(id2.name, "FM Playback Switch");
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err = snd_ctl_rename_id(card, &id1, &id2);
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if (err < 0)
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return err;
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strcpy(id1.name, "Aux Playback Volume");
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strcpy(id2.name, "FM Playback Volume");
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err = snd_ctl_rename_id(card, &id1, &id2);
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if (err < 0)
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return err;
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/* reassign AUX1 to CD */
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strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
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strcpy(id2.name, "CD Playback Switch");
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err = snd_ctl_rename_id(card, &id1, &id2);
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if (err < 0)
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return err;
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strcpy(id1.name, "Aux Playback Volume");
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strcpy(id2.name, "CD Playback Volume");
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err = snd_ctl_rename_id(card, &id1, &id2);
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if (err < 0)
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return err;
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return 0;
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}
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static int snd_sc6000_match(struct device *devptr, unsigned int dev)
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{
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if (!enable[dev])
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return 0;
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if (port[dev] == SNDRV_AUTO_PORT) {
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printk(KERN_ERR PFX "specify IO port\n");
|
|
return 0;
|
|
}
|
|
if (mss_port[dev] == SNDRV_AUTO_PORT) {
|
|
printk(KERN_ERR PFX "specify MSS port\n");
|
|
return 0;
|
|
}
|
|
if (port[dev] != 0x220 && port[dev] != 0x240) {
|
|
printk(KERN_ERR PFX "Port must be 0x220 or 0x240\n");
|
|
return 0;
|
|
}
|
|
if (mss_port[dev] != 0x530 && mss_port[dev] != 0xe80) {
|
|
printk(KERN_ERR PFX "MSS port must be 0x530 or 0xe80\n");
|
|
return 0;
|
|
}
|
|
if (irq[dev] != SNDRV_AUTO_IRQ && !sc6000_irq_to_softcfg(irq[dev])) {
|
|
printk(KERN_ERR PFX "invalid IRQ %d\n", irq[dev]);
|
|
return 0;
|
|
}
|
|
if (dma[dev] != SNDRV_AUTO_DMA && !sc6000_dma_to_softcfg(dma[dev])) {
|
|
printk(KERN_ERR PFX "invalid DMA %d\n", dma[dev]);
|
|
return 0;
|
|
}
|
|
if (mpu_port[dev] != SNDRV_AUTO_PORT &&
|
|
(mpu_port[dev] & ~0x30L) != 0x300) {
|
|
printk(KERN_ERR PFX "invalid MPU-401 port %lx\n",
|
|
mpu_port[dev]);
|
|
return 0;
|
|
}
|
|
if (mpu_port[dev] != SNDRV_AUTO_PORT &&
|
|
mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] != 0 &&
|
|
!sc6000_mpu_irq_to_softcfg(mpu_irq[dev])) {
|
|
printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void snd_sc6000_free(struct snd_card *card)
|
|
{
|
|
char __iomem *vport = (char __force __iomem *)card->private_data;
|
|
|
|
if (vport)
|
|
sc6000_setup_board(vport, 0);
|
|
}
|
|
|
|
static int __snd_sc6000_probe(struct device *devptr, unsigned int dev)
|
|
{
|
|
static const int possible_irqs[] = { 5, 7, 9, 10, 11, -1 };
|
|
static const int possible_dmas[] = { 1, 3, 0, -1 };
|
|
int err;
|
|
int xirq = irq[dev];
|
|
int xdma = dma[dev];
|
|
struct snd_card *card;
|
|
struct snd_wss *chip;
|
|
struct snd_opl3 *opl3;
|
|
char __iomem *vport;
|
|
char __iomem *vmss_port;
|
|
|
|
err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE,
|
|
0, &card);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (xirq == SNDRV_AUTO_IRQ) {
|
|
xirq = snd_legacy_find_free_irq(possible_irqs);
|
|
if (xirq < 0) {
|
|
snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
|
|
if (xdma == SNDRV_AUTO_DMA) {
|
|
xdma = snd_legacy_find_free_dma(possible_dmas);
|
|
if (xdma < 0) {
|
|
snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
|
|
if (!devm_request_region(devptr, port[dev], 0x10, DRV_NAME)) {
|
|
snd_printk(KERN_ERR PFX
|
|
"I/O port region is already in use.\n");
|
|
return -EBUSY;
|
|
}
|
|
vport = devm_ioport_map(devptr, port[dev], 0x10);
|
|
if (!vport) {
|
|
snd_printk(KERN_ERR PFX
|
|
"I/O port cannot be iomapped.\n");
|
|
return -EBUSY;
|
|
}
|
|
card->private_data = (void __force *)vport;
|
|
|
|
/* to make it marked as used */
|
|
if (!devm_request_region(devptr, mss_port[dev], 4, DRV_NAME)) {
|
|
snd_printk(KERN_ERR PFX
|
|
"SC-6000 port I/O port region is already in use.\n");
|
|
return -EBUSY;
|
|
}
|
|
vmss_port = devm_ioport_map(devptr, mss_port[dev], 4);
|
|
if (!vmss_port) {
|
|
snd_printk(KERN_ERR PFX
|
|
"MSS port I/O cannot be iomapped.\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
snd_printd("Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n",
|
|
port[dev], xirq, xdma,
|
|
mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);
|
|
|
|
err = sc6000_init_board(vport, vmss_port, dev);
|
|
if (err < 0)
|
|
return err;
|
|
card->private_free = snd_sc6000_free;
|
|
|
|
err = snd_wss_create(card, mss_port[dev] + 4, -1, xirq, xdma, -1,
|
|
WSS_HW_DETECT, 0, &chip);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = snd_wss_pcm(chip, 0);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR PFX
|
|
"error creating new WSS PCM device\n");
|
|
return err;
|
|
}
|
|
err = snd_wss_mixer(chip);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR PFX "error creating new WSS mixer\n");
|
|
return err;
|
|
}
|
|
err = snd_sc6000_mixer(chip);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR PFX "the mixer rewrite failed\n");
|
|
return err;
|
|
}
|
|
if (snd_opl3_create(card,
|
|
0x388, 0x388 + 2,
|
|
OPL3_HW_AUTO, 0, &opl3) < 0) {
|
|
snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n",
|
|
0x388, 0x388 + 2);
|
|
} else {
|
|
err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
|
|
if (mpu_port[dev] != SNDRV_AUTO_PORT) {
|
|
if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
|
|
mpu_irq[dev] = -1;
|
|
if (snd_mpu401_uart_new(card, 0,
|
|
MPU401_HW_MPU401,
|
|
mpu_port[dev], 0,
|
|
mpu_irq[dev], NULL) < 0)
|
|
snd_printk(KERN_ERR "no MPU-401 device at 0x%lx ?\n",
|
|
mpu_port[dev]);
|
|
}
|
|
|
|
strcpy(card->driver, DRV_NAME);
|
|
strcpy(card->shortname, "SC-6000");
|
|
sprintf(card->longname, "Gallant SC-6000 at 0x%lx, irq %d, dma %d",
|
|
mss_port[dev], xirq, xdma);
|
|
|
|
err = snd_card_register(card);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
dev_set_drvdata(devptr, card);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_sc6000_probe(struct device *devptr, unsigned int dev)
|
|
{
|
|
return snd_card_free_on_error(devptr, __snd_sc6000_probe(devptr, dev));
|
|
}
|
|
|
|
static struct isa_driver snd_sc6000_driver = {
|
|
.match = snd_sc6000_match,
|
|
.probe = snd_sc6000_probe,
|
|
/* FIXME: suspend/resume */
|
|
.driver = {
|
|
.name = DRV_NAME,
|
|
},
|
|
};
|
|
|
|
|
|
module_isa_driver(snd_sc6000_driver, SNDRV_CARDS);
|