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📄 ymfpci_main.c

📁 linux-2.6.15.6
💻 C
📖 第 1 页 / 共 5 页
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		if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_rear_shared, chip))) < 0)			return err;	}	/* per-voice volume */	substream = chip->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;	for (idx = 0; idx < 32; ++idx) {		kctl = snd_ctl_new1(&snd_ymfpci_pcm_volume, chip);		if (!kctl)			return -ENOMEM;		kctl->id.device = chip->pcm->device;		kctl->id.subdevice = idx;		kctl->private_value = (unsigned long)substream;		if ((err = snd_ctl_add(chip->card, kctl)) < 0)			return err;		chip->pcm_mixer[idx].left = 0x8000;		chip->pcm_mixer[idx].right = 0x8000;		chip->pcm_mixer[idx].ctl = kctl;		substream = substream->next;	}	return 0;}/* * timer */static int snd_ymfpci_timer_start(snd_timer_t *timer){	ymfpci_t *chip;	unsigned long flags;	unsigned int count;	chip = snd_timer_chip(timer);	count = (timer->sticks << 1) - 1;	spin_lock_irqsave(&chip->reg_lock, flags);	snd_ymfpci_writew(chip, YDSXGR_TIMERCOUNT, count);	snd_ymfpci_writeb(chip, YDSXGR_TIMERCTRL, 0x03);	spin_unlock_irqrestore(&chip->reg_lock, flags);	return 0;}static int snd_ymfpci_timer_stop(snd_timer_t *timer){	ymfpci_t *chip;	unsigned long flags;	chip = snd_timer_chip(timer);	spin_lock_irqsave(&chip->reg_lock, flags);	snd_ymfpci_writeb(chip, YDSXGR_TIMERCTRL, 0x00);	spin_unlock_irqrestore(&chip->reg_lock, flags);	return 0;}static int snd_ymfpci_timer_precise_resolution(snd_timer_t *timer,					       unsigned long *num, unsigned long *den){	*num = 1;	*den = 48000;	return 0;}static struct _snd_timer_hardware snd_ymfpci_timer_hw = {	.flags = SNDRV_TIMER_HW_AUTO,	.resolution = 20833, /* 1/fs = 20.8333...us */	.ticks = 0x8000,	.start = snd_ymfpci_timer_start,	.stop = snd_ymfpci_timer_stop,	.precise_resolution = snd_ymfpci_timer_precise_resolution,};int __devinit snd_ymfpci_timer(ymfpci_t *chip, int device){	snd_timer_t *timer = NULL;	snd_timer_id_t tid;	int err;	tid.dev_class = SNDRV_TIMER_CLASS_CARD;	tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;	tid.card = chip->card->number;	tid.device = device;	tid.subdevice = 0;	if ((err = snd_timer_new(chip->card, "YMFPCI", &tid, &timer)) >= 0) {		strcpy(timer->name, "YMFPCI timer");		timer->private_data = chip;		timer->hw = snd_ymfpci_timer_hw;	}	chip->timer = timer;	return err;}/* *  proc interface */static void snd_ymfpci_proc_read(snd_info_entry_t *entry, 				 snd_info_buffer_t * buffer){	ymfpci_t *chip = entry->private_data;	int i;		snd_iprintf(buffer, "YMFPCI\n\n");	for (i = 0; i <= YDSXGR_WORKBASE; i += 4)		snd_iprintf(buffer, "%04x: %04x\n", i, snd_ymfpci_readl(chip, i));}static int __devinit snd_ymfpci_proc_init(snd_card_t * card, ymfpci_t *chip){	snd_info_entry_t *entry;		if (! snd_card_proc_new(card, "ymfpci", &entry))		snd_info_set_text_ops(entry, chip, 1024, snd_ymfpci_proc_read);	return 0;}/* *  initialization routines */static void snd_ymfpci_aclink_reset(struct pci_dev * pci){	u8 cmd;	pci_read_config_byte(pci, PCIR_DSXG_CTRL, &cmd);#if 0 // force to reset	if (cmd & 0x03) {#endif		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd & 0xfc);		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd | 0x03);		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd & 0xfc);		pci_write_config_word(pci, PCIR_DSXG_PWRCTRL1, 0);		pci_write_config_word(pci, PCIR_DSXG_PWRCTRL2, 0);#if 0	}#endif}static void snd_ymfpci_enable_dsp(ymfpci_t *chip){	snd_ymfpci_writel(chip, YDSXGR_CONFIG, 0x00000001);}static void snd_ymfpci_disable_dsp(ymfpci_t *chip){	u32 val;	int timeout = 1000;	val = snd_ymfpci_readl(chip, YDSXGR_CONFIG);	if (val)		snd_ymfpci_writel(chip, YDSXGR_CONFIG, 0x00000000);	while (timeout-- > 0) {		val = snd_ymfpci_readl(chip, YDSXGR_STATUS);		if ((val & 0x00000002) == 0)			break;	}}#include "ymfpci_image.h"static void snd_ymfpci_download_image(ymfpci_t *chip){	int i;	u16 ctrl;	unsigned long *inst;	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x00000000);	snd_ymfpci_disable_dsp(chip);	snd_ymfpci_writel(chip, YDSXGR_MODE, 0x00010000);	snd_ymfpci_writel(chip, YDSXGR_MODE, 0x00000000);	snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, 0x00000000);	snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT, 0x00000000);	snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, 0x00000000);	snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, 0x00000000);	snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, 0x00000000);	ctrl = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);	snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007);	/* setup DSP instruction code */	for (i = 0; i < YDSXG_DSPLENGTH / 4; i++)		snd_ymfpci_writel(chip, YDSXGR_DSPINSTRAM + (i << 2), DspInst[i]);	/* setup control instruction code */	switch (chip->device_id) {	case PCI_DEVICE_ID_YAMAHA_724F:	case PCI_DEVICE_ID_YAMAHA_740C:	case PCI_DEVICE_ID_YAMAHA_744:	case PCI_DEVICE_ID_YAMAHA_754:		inst = CntrlInst1E;		break;	default:		inst = CntrlInst;		break;	}	for (i = 0; i < YDSXG_CTRLLENGTH / 4; i++)		snd_ymfpci_writel(chip, YDSXGR_CTRLINSTRAM + (i << 2), inst[i]);	snd_ymfpci_enable_dsp(chip);}static int __devinit snd_ymfpci_memalloc(ymfpci_t *chip){	long size, playback_ctrl_size;	int voice, bank, reg;	u8 *ptr;	dma_addr_t ptr_addr;	playback_ctrl_size = 4 + 4 * YDSXG_PLAYBACK_VOICES;	chip->bank_size_playback = snd_ymfpci_readl(chip, YDSXGR_PLAYCTRLSIZE) << 2;	chip->bank_size_capture = snd_ymfpci_readl(chip, YDSXGR_RECCTRLSIZE) << 2;	chip->bank_size_effect = snd_ymfpci_readl(chip, YDSXGR_EFFCTRLSIZE) << 2;	chip->work_size = YDSXG_DEFAULT_WORK_SIZE;		size = ((playback_ctrl_size + 0x00ff) & ~0x00ff) +	       ((chip->bank_size_playback * 2 * YDSXG_PLAYBACK_VOICES + 0x00ff) & ~0x00ff) +	       ((chip->bank_size_capture * 2 * YDSXG_CAPTURE_VOICES + 0x00ff) & ~0x00ff) +	       ((chip->bank_size_effect * 2 * YDSXG_EFFECT_VOICES + 0x00ff) & ~0x00ff) +	       chip->work_size;	/* work_ptr must be aligned to 256 bytes, but it's already	   covered with the kernel page allocation mechanism */	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),				size, &chip->work_ptr) < 0) 		return -ENOMEM;	ptr = chip->work_ptr.area;	ptr_addr = chip->work_ptr.addr;	memset(ptr, 0, size);	/* for sure */	chip->bank_base_playback = ptr;	chip->bank_base_playback_addr = ptr_addr;	chip->ctrl_playback = (u32 *)ptr;	chip->ctrl_playback[0] = cpu_to_le32(YDSXG_PLAYBACK_VOICES);	ptr += (playback_ctrl_size + 0x00ff) & ~0x00ff;	ptr_addr += (playback_ctrl_size + 0x00ff) & ~0x00ff;	for (voice = 0; voice < YDSXG_PLAYBACK_VOICES; voice++) {		chip->voices[voice].number = voice;		chip->voices[voice].bank = (snd_ymfpci_playback_bank_t *)ptr;		chip->voices[voice].bank_addr = ptr_addr;		for (bank = 0; bank < 2; bank++) {			chip->bank_playback[voice][bank] = (snd_ymfpci_playback_bank_t *)ptr;			ptr += chip->bank_size_playback;			ptr_addr += chip->bank_size_playback;		}	}	ptr = (char *)(((unsigned long)ptr + 0x00ff) & ~0x00ff);	ptr_addr = (ptr_addr + 0x00ff) & ~0x00ff;	chip->bank_base_capture = ptr;	chip->bank_base_capture_addr = ptr_addr;	for (voice = 0; voice < YDSXG_CAPTURE_VOICES; voice++)		for (bank = 0; bank < 2; bank++) {			chip->bank_capture[voice][bank] = (snd_ymfpci_capture_bank_t *)ptr;			ptr += chip->bank_size_capture;			ptr_addr += chip->bank_size_capture;		}	ptr = (char *)(((unsigned long)ptr + 0x00ff) & ~0x00ff);	ptr_addr = (ptr_addr + 0x00ff) & ~0x00ff;	chip->bank_base_effect = ptr;	chip->bank_base_effect_addr = ptr_addr;	for (voice = 0; voice < YDSXG_EFFECT_VOICES; voice++)		for (bank = 0; bank < 2; bank++) {			chip->bank_effect[voice][bank] = (snd_ymfpci_effect_bank_t *)ptr;			ptr += chip->bank_size_effect;			ptr_addr += chip->bank_size_effect;		}	ptr = (char *)(((unsigned long)ptr + 0x00ff) & ~0x00ff);	ptr_addr = (ptr_addr + 0x00ff) & ~0x00ff;	chip->work_base = ptr;	chip->work_base_addr = ptr_addr;		snd_assert(ptr + chip->work_size == chip->work_ptr.area + chip->work_ptr.bytes, );	snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, chip->bank_base_playback_addr);	snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, chip->bank_base_capture_addr);	snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, chip->bank_base_effect_addr);	snd_ymfpci_writel(chip, YDSXGR_WORKBASE, chip->work_base_addr);	snd_ymfpci_writel(chip, YDSXGR_WORKSIZE, chip->work_size >> 2);	/* S/PDIF output initialization */	chip->spdif_bits = chip->spdif_pcm_bits = SNDRV_PCM_DEFAULT_CON_SPDIF & 0xffff;	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL, 0);	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);	/* S/PDIF input initialization */	snd_ymfpci_writew(chip, YDSXGR_SPDIFINCTRL, 0);	/* digital mixer setup */	for (reg = 0x80; reg < 0xc0; reg += 4)		snd_ymfpci_writel(chip, reg, 0);	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x3fff3fff);	snd_ymfpci_writel(chip, YDSXGR_ZVOUTVOL, 0x3fff3fff);	snd_ymfpci_writel(chip, YDSXGR_SPDIFOUTVOL, 0x3fff3fff);	snd_ymfpci_writel(chip, YDSXGR_NATIVEADCINVOL, 0x3fff3fff);	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACINVOL, 0x3fff3fff);	snd_ymfpci_writel(chip, YDSXGR_PRIADCLOOPVOL, 0x3fff3fff);	snd_ymfpci_writel(chip, YDSXGR_LEGACYOUTVOL, 0x3fff3fff);		return 0;}static int snd_ymfpci_free(ymfpci_t *chip){	u16 ctrl;	snd_assert(chip != NULL, return -EINVAL);	if (chip->res_reg_area) {	/* don't touch busy hardware */		snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0);		snd_ymfpci_writel(chip, YDSXGR_BUF441OUTVOL, 0);		snd_ymfpci_writel(chip, YDSXGR_LEGACYOUTVOL, 0);		snd_ymfpci_writel(chip, YDSXGR_STATUS, ~0);		snd_ymfpci_disable_dsp(chip);		snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, 0);		snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, 0);		snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, 0);		snd_ymfpci_writel(chip, YDSXGR_WORKBASE, 0);		snd_ymfpci_writel(chip, YDSXGR_WORKSIZE, 0);		ctrl = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);		snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007);	}	snd_ymfpci_ac3_done(chip);	/* Set PCI device to D3 state */#if 0	/* FIXME: temporarily disabled, otherwise we cannot fire up	 * the chip again unless reboot.  ACPI bug?	 */	pci_set_power_state(chip->pci, 3);#endif#ifdef CONFIG_PM	vfree(chip->saved_regs);#endif	release_and_free_resource(chip->mpu_res);	release_and_free_resource(chip->fm_res);	snd_ymfpci_free_gameport(chip);	if (chip->reg_area_virt)		iounmap(chip->reg_area_virt);	if (chip->work_ptr.area)		snd_dma_free_pages(&chip->work_ptr);		if (chip->irq >= 0)		free_irq(chip->irq, (void *)chip);	release_and_free_resource(chip->res_reg_area);	pci_write_config_word(chip->pci, 0x40, chip->old_legacy_ctrl);		pci_disable_device(chip->pci);	kfree(chip);	return 0;}static int snd_ymfpci_dev_free(snd_device_t *device){	ymfpci_t *chip = device->device_data;	return snd_ymfpci_free(chip);}#ifdef CONFIG_PMstatic int saved_regs_index[] = {	/* spdif */	YDSXGR_SPDIFOUTCTRL,	YDSXGR_SPDIFOUTSTATUS,	YDSXGR_SPDIFINCTRL,	/* volumes */	YDSXGR_PRIADCLOOPVOL,	YDSXGR_NATIVEDACINVOL,	YDSXGR_NATIVEDACOUTVOL,	// YDSXGR_BUF441OUTVOL,	YDSXGR_NATIVEADCINVOL,	YDSXGR_SPDIFLOOPVOL,	YDSXGR_SPDIFOUTVOL,	YDSXGR_ZVOUTVOL,	YDSXGR_LEGACYOUTVOL,	/* address bases */	YDSXGR_PLAYCTRLBASE,	YDSXGR_RECCTRLBASE,	YDSXGR_EFFCTRLBASE,	YDSXGR_WORKBASE,	/* capture set up */	YDSXGR_MAPOFREC,	YDSXGR_RECFORMAT,	YDSXGR_RECSLOTSR,	YDSXGR_ADCFORMAT,	YDSXGR_ADCSLOTSR,};#define YDSXGR_NUM_SAVED_REGS	ARRAY_SIZE(saved_regs_index)static int snd_ymfpci_suspend(snd_card_t *card, pm_message_t state){	ymfpci_t *chip = card->pm_private_data;	unsigned int i;		snd_pcm_suspend_all(chip->pcm);	snd_pcm_suspend_all(chip->pcm2);	snd_pcm_suspend_all(chip->pcm_spdif);	snd_pcm_suspend_all(chip->pcm_4ch);	snd_ac97_suspend(chip->ac97);	for (i = 0; i < YDSXGR_NUM_SAVED_REGS; i++)		chip->saved_regs[i] = snd_ymfpci_readl(chip, saved_regs_index[i]);	chip->saved_ydsxgr_mode = snd_ymfpci_readl(chip, YDSXGR_MODE);	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0);	snd_ymfpci_disable_dsp(chip);	pci_disable_device(chip->pci);	return 0;}static int snd_ymfpci_resume(snd_card_t *card){	ymfpci_t *chip = card->pm_private_data;	unsigned int i;	pci_enable_device(chip->pci);	pci_set_master(chip->pci);	snd_ymfpci_aclink_reset(chip->pci);	snd_ymfpci_codec_ready(chip, 0);	snd_ymfpci_download_image(chip);	udelay(100);	for (i = 0; i < YDSXGR_NUM_SAVED_REGS; i++)		snd_ymfpci_writel(chip, saved_regs_index[i], chip->saved_regs[i]);	snd_ac97_resume(chip->ac97);	/* start hw again */	if (chip->start_count > 0) {		spin_lock_irq(&chip->reg_lock);		snd_ymfpci_writel(chip, YDSXGR_MODE, chip->saved_ydsxgr_mode);		chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT);		spin_unlock_irq(&chip->reg_lock);	}	return 0;}#endif /* CONFIG_PM */int __devinit snd_ymfpci_create(snd_card_t * card,				struct pci_dev * pci,				unsigned short old_legacy_ctrl,				ymfpci_t ** rchip){	ymfpci_t *chip;	int err;	static snd_device_ops_t ops = {		.dev_free =	snd_ymfpci_dev_free,	};		*rchip = NULL;	/* enable PCI device */	if ((err = pci_enable_device(pci)) < 

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