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385 lines
10 KiB
385 lines
10 KiB
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/* |
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* jazz16.c - driver for Media Vision Jazz16 based soundcards. |
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* Copyright (C) 2009 Krzysztof Helt <[email protected]> |
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* Based on patches posted by Rask Ingemann Lambertsen and Rene Herman. |
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* Based on OSS Sound Blaster driver. |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file COPYING in the main directory of this archive for |
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* more details. |
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* |
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*/ |
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#include <linux/init.h> |
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#include <linux/module.h> |
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#include <linux/io.h> |
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#include <linux/delay.h> |
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#include <asm/dma.h> |
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#include <linux/isa.h> |
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#include <sound/core.h> |
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#include <sound/mpu401.h> |
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#include <sound/opl3.h> |
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#include <sound/sb.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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#define PFX "jazz16: " |
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MODULE_DESCRIPTION("Media Vision Jazz16"); |
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MODULE_AUTHOR("Krzysztof Helt <[email protected]>"); |
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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 unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; |
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static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; |
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static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; |
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static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; |
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static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; |
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static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; |
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module_param_array(index, int, NULL, 0444); |
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MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard."); |
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module_param_array(id, charp, NULL, 0444); |
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MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard."); |
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module_param_array(enable, bool, NULL, 0444); |
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MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 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 jazz16 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 jazz16 driver."); |
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module_param_hw_array(irq, int, irq, NULL, 0444); |
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MODULE_PARM_DESC(irq, "IRQ # for jazz16 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 jazz16 driver."); |
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module_param_hw_array(dma8, int, dma, NULL, 0444); |
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MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver."); |
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module_param_hw_array(dma16, int, dma, NULL, 0444); |
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MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver."); |
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#define SB_JAZZ16_WAKEUP 0xaf |
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#define SB_JAZZ16_SET_PORTS 0x50 |
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#define SB_DSP_GET_JAZZ_BRD_REV 0xfa |
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#define SB_JAZZ16_SET_DMAINTR 0xfb |
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#define SB_DSP_GET_JAZZ_MODEL 0xfe |
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struct snd_card_jazz16 { |
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struct snd_sb *chip; |
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}; |
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static irqreturn_t jazz16_interrupt(int irq, void *chip) |
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{ |
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return snd_sb8dsp_interrupt(chip); |
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} |
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static int jazz16_configure_ports(unsigned long port, |
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unsigned long mpu_port, int idx) |
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{ |
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unsigned char val; |
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if (!request_region(0x201, 1, "jazz16 config")) { |
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snd_printk(KERN_ERR "config port region is already in use.\n"); |
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return -EBUSY; |
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} |
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outb(SB_JAZZ16_WAKEUP - idx, 0x201); |
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udelay(100); |
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outb(SB_JAZZ16_SET_PORTS + idx, 0x201); |
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udelay(100); |
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val = port & 0x70; |
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val |= (mpu_port & 0x30) >> 4; |
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outb(val, 0x201); |
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release_region(0x201, 1); |
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return 0; |
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} |
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static int jazz16_detect_board(unsigned long port, |
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unsigned long mpu_port) |
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{ |
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int err; |
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int val; |
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struct snd_sb chip; |
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if (!request_region(port, 0x10, "jazz16")) { |
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snd_printk(KERN_ERR "I/O port region is already in use.\n"); |
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return -EBUSY; |
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} |
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/* just to call snd_sbdsp_command/reset/get_byte() */ |
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chip.port = port; |
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err = snd_sbdsp_reset(&chip); |
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if (err < 0) |
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for (val = 0; val < 4; val++) { |
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err = jazz16_configure_ports(port, mpu_port, val); |
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if (err < 0) |
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break; |
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err = snd_sbdsp_reset(&chip); |
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if (!err) |
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break; |
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} |
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if (err < 0) { |
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err = -ENODEV; |
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goto err_unmap; |
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} |
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if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) { |
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err = -EBUSY; |
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goto err_unmap; |
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} |
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val = snd_sbdsp_get_byte(&chip); |
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if (val >= 0x30) |
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snd_sbdsp_get_byte(&chip); |
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if ((val & 0xf0) != 0x10) { |
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err = -ENODEV; |
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goto err_unmap; |
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} |
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if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) { |
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err = -EBUSY; |
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goto err_unmap; |
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} |
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snd_sbdsp_get_byte(&chip); |
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err = snd_sbdsp_get_byte(&chip); |
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snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n", |
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val, err); |
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err = 0; |
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err_unmap: |
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release_region(port, 0x10); |
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return err; |
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} |
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static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq) |
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{ |
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static const unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4, |
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0, 2, 5, 0, 0, 0, 0, 6 }; |
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static const unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 }; |
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if (jazz_dma_bits[chip->dma8] == 0 || |
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jazz_dma_bits[chip->dma16] == 0 || |
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jazz_irq_bits[chip->irq] == 0) |
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return -EINVAL; |
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if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR)) |
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return -EBUSY; |
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if (!snd_sbdsp_command(chip, |
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jazz_dma_bits[chip->dma8] | |
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(jazz_dma_bits[chip->dma16] << 4))) |
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return -EBUSY; |
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if (!snd_sbdsp_command(chip, |
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jazz_irq_bits[chip->irq] | |
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(jazz_irq_bits[mpu_irq] << 4))) |
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return -EBUSY; |
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return 0; |
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} |
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static int snd_jazz16_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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snd_printk(KERN_ERR "please specify port\n"); |
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return 0; |
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} else if (port[dev] == 0x200 || (port[dev] & ~0x270)) { |
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snd_printk(KERN_ERR "incorrect port specified\n"); |
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return 0; |
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} |
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if (dma8[dev] != SNDRV_AUTO_DMA && |
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dma8[dev] != 1 && dma8[dev] != 3) { |
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snd_printk(KERN_ERR "dma8 must be 1 or 3\n"); |
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return 0; |
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} |
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if (dma16[dev] != SNDRV_AUTO_DMA && |
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dma16[dev] != 5 && dma16[dev] != 7) { |
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snd_printk(KERN_ERR "dma16 must be 5 or 7\n"); |
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return 0; |
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} |
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if (mpu_port[dev] != SNDRV_AUTO_PORT && |
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(mpu_port[dev] & ~0x030) != 0x300) { |
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snd_printk(KERN_ERR "incorrect mpu_port specified\n"); |
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return 0; |
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} |
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if (mpu_irq[dev] != SNDRV_AUTO_DMA && |
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mpu_irq[dev] != 2 && mpu_irq[dev] != 3 && |
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mpu_irq[dev] != 5 && mpu_irq[dev] != 7) { |
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snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n"); |
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return 0; |
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} |
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return 1; |
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} |
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static int snd_jazz16_probe(struct device *devptr, unsigned int dev) |
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{ |
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struct snd_card *card; |
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struct snd_card_jazz16 *jazz16; |
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struct snd_sb *chip; |
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struct snd_opl3 *opl3; |
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static const int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1}; |
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static const int possible_dmas8[] = {1, 3, -1}; |
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static const int possible_dmas16[] = {5, 7, -1}; |
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int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq; |
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err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE, |
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sizeof(struct snd_card_jazz16), &card); |
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if (err < 0) |
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return err; |
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jazz16 = card->private_data; |
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xirq = irq[dev]; |
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if (xirq == SNDRV_AUTO_IRQ) { |
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xirq = snd_legacy_find_free_irq(possible_irqs); |
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if (xirq < 0) { |
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snd_printk(KERN_ERR "unable to find a free IRQ\n"); |
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err = -EBUSY; |
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goto err_free; |
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} |
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} |
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xdma8 = dma8[dev]; |
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if (xdma8 == SNDRV_AUTO_DMA) { |
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xdma8 = snd_legacy_find_free_dma(possible_dmas8); |
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if (xdma8 < 0) { |
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snd_printk(KERN_ERR "unable to find a free DMA8\n"); |
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err = -EBUSY; |
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goto err_free; |
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} |
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} |
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xdma16 = dma16[dev]; |
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if (xdma16 == SNDRV_AUTO_DMA) { |
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xdma16 = snd_legacy_find_free_dma(possible_dmas16); |
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if (xdma16 < 0) { |
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snd_printk(KERN_ERR "unable to find a free DMA16\n"); |
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err = -EBUSY; |
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goto err_free; |
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} |
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} |
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xmpu_port = mpu_port[dev]; |
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if (xmpu_port == SNDRV_AUTO_PORT) |
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xmpu_port = 0; |
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err = jazz16_detect_board(port[dev], xmpu_port); |
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if (err < 0) { |
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printk(KERN_ERR "Media Vision Jazz16 board not detected\n"); |
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goto err_free; |
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} |
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err = snd_sbdsp_create(card, port[dev], irq[dev], |
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jazz16_interrupt, |
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dma8[dev], dma16[dev], |
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SB_HW_JAZZ16, |
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&chip); |
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if (err < 0) |
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goto err_free; |
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xmpu_irq = mpu_irq[dev]; |
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if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT) |
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xmpu_irq = 0; |
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err = jazz16_configure_board(chip, xmpu_irq); |
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if (err < 0) { |
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printk(KERN_ERR "Media Vision Jazz16 configuration failed\n"); |
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goto err_free; |
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} |
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jazz16->chip = chip; |
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strcpy(card->driver, "jazz16"); |
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strcpy(card->shortname, "Media Vision Jazz16"); |
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sprintf(card->longname, |
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"Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d", |
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port[dev], xirq, xdma8, xdma16); |
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err = snd_sb8dsp_pcm(chip, 0); |
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if (err < 0) |
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goto err_free; |
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err = snd_sbmixer_new(chip); |
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if (err < 0) |
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goto err_free; |
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err = snd_opl3_create(card, chip->port, chip->port + 2, |
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OPL3_HW_AUTO, 1, &opl3); |
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if (err < 0) |
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snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n", |
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chip->port, chip->port + 2); |
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else { |
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err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); |
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if (err < 0) |
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goto err_free; |
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} |
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if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) { |
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if (mpu_irq[dev] == SNDRV_AUTO_IRQ) |
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mpu_irq[dev] = -1; |
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if (snd_mpu401_uart_new(card, 0, |
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MPU401_HW_MPU401, |
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mpu_port[dev], 0, |
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mpu_irq[dev], |
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NULL) < 0) |
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snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n", |
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mpu_port[dev]); |
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} |
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err = snd_card_register(card); |
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if (err < 0) |
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goto err_free; |
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dev_set_drvdata(devptr, card); |
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return 0; |
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err_free: |
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snd_card_free(card); |
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return err; |
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} |
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static void snd_jazz16_remove(struct device *devptr, unsigned int dev) |
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{ |
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struct snd_card *card = dev_get_drvdata(devptr); |
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snd_card_free(card); |
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} |
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#ifdef CONFIG_PM |
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static int snd_jazz16_suspend(struct device *pdev, unsigned int n, |
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pm_message_t state) |
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{ |
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struct snd_card *card = dev_get_drvdata(pdev); |
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struct snd_card_jazz16 *acard = card->private_data; |
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struct snd_sb *chip = acard->chip; |
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snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
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snd_sbmixer_suspend(chip); |
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return 0; |
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} |
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static int snd_jazz16_resume(struct device *pdev, unsigned int n) |
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{ |
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struct snd_card *card = dev_get_drvdata(pdev); |
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struct snd_card_jazz16 *acard = card->private_data; |
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struct snd_sb *chip = acard->chip; |
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snd_sbdsp_reset(chip); |
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snd_sbmixer_resume(chip); |
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snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
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return 0; |
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} |
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#endif |
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static struct isa_driver snd_jazz16_driver = { |
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.match = snd_jazz16_match, |
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.probe = snd_jazz16_probe, |
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.remove = snd_jazz16_remove, |
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#ifdef CONFIG_PM |
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.suspend = snd_jazz16_suspend, |
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.resume = snd_jazz16_resume, |
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#endif |
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.driver = { |
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.name = "jazz16" |
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}, |
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}; |
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module_isa_driver(snd_jazz16_driver, SNDRV_CARDS);
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