diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/cs5535audio')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/cs5535audio/Makefile | 10 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio.c | 424 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio.h | 142 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_olpc.c | 191 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_pcm.c | 454 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_pm.c | 131 |
6 files changed, 0 insertions, 1352 deletions
diff --git a/ANDROID_3.4.5/sound/pci/cs5535audio/Makefile b/ANDROID_3.4.5/sound/pci/cs5535audio/Makefile deleted file mode 100644 index ccc64226..00000000 --- a/ANDROID_3.4.5/sound/pci/cs5535audio/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# -# Makefile for cs5535audio -# - -snd-cs5535audio-y := cs5535audio.o cs5535audio_pcm.o -snd-cs5535audio-$(CONFIG_PM) += cs5535audio_pm.o -snd-cs5535audio-$(CONFIG_OLPC) += cs5535audio_olpc.o - -# Toplevel Module Dependency -obj-$(CONFIG_SND_CS5535AUDIO) += snd-cs5535audio.o diff --git a/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio.c b/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio.c deleted file mode 100644 index a2fb2173..00000000 --- a/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio.c +++ /dev/null @@ -1,424 +0,0 @@ -/* - * Driver for audio on multifunction CS5535/6 companion device - * Copyright (C) Jaya Kumar - * - * Based on Jaroslav Kysela and Takashi Iwai's examples. - * This work was sponsored by CIS(M) Sdn Bhd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <asm/io.h> -#include <sound/core.h> -#include <sound/control.h> -#include <sound/pcm.h> -#include <sound/rawmidi.h> -#include <sound/ac97_codec.h> -#include <sound/initval.h> -#include <sound/asoundef.h> -#include "cs5535audio.h" - -#define DRIVER_NAME "cs5535audio" - -static char *ac97_quirk; -module_param(ac97_quirk, charp, 0444); -MODULE_PARM_DESC(ac97_quirk, "AC'97 board specific workarounds."); - -static struct ac97_quirk ac97_quirks[] __devinitdata = { -#if 0 /* Not yet confirmed if all 5536 boards are HP only */ - { - .subvendor = PCI_VENDOR_ID_AMD, - .subdevice = PCI_DEVICE_ID_AMD_CS5536_AUDIO, - .name = "AMD RDK", - .type = AC97_TUNE_HP_ONLY - }, -#endif - {} -}; - -static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; -static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; -static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; - -module_param_array(index, int, NULL, 0444); -MODULE_PARM_DESC(index, "Index value for " DRIVER_NAME); -module_param_array(id, charp, NULL, 0444); -MODULE_PARM_DESC(id, "ID string for " DRIVER_NAME); -module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable " DRIVER_NAME); - -static DEFINE_PCI_DEVICE_TABLE(snd_cs5535audio_ids) = { - { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_AUDIO) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_AUDIO) }, - {} -}; - -MODULE_DEVICE_TABLE(pci, snd_cs5535audio_ids); - -static void wait_till_cmd_acked(struct cs5535audio *cs5535au, unsigned long timeout) -{ - unsigned int tmp; - do { - tmp = cs_readl(cs5535au, ACC_CODEC_CNTL); - if (!(tmp & CMD_NEW)) - break; - udelay(1); - } while (--timeout); - if (!timeout) - snd_printk(KERN_ERR "Failure writing to cs5535 codec\n"); -} - -static unsigned short snd_cs5535audio_codec_read(struct cs5535audio *cs5535au, - unsigned short reg) -{ - unsigned int regdata; - unsigned int timeout; - unsigned int val; - - regdata = ((unsigned int) reg) << 24; - regdata |= ACC_CODEC_CNTL_RD_CMD; - regdata |= CMD_NEW; - - cs_writel(cs5535au, ACC_CODEC_CNTL, regdata); - wait_till_cmd_acked(cs5535au, 50); - - timeout = 50; - do { - val = cs_readl(cs5535au, ACC_CODEC_STATUS); - if ((val & STS_NEW) && reg == (val >> 24)) - break; - udelay(1); - } while (--timeout); - if (!timeout) - snd_printk(KERN_ERR "Failure reading codec reg 0x%x," - "Last value=0x%x\n", reg, val); - - return (unsigned short) val; -} - -static void snd_cs5535audio_codec_write(struct cs5535audio *cs5535au, - unsigned short reg, unsigned short val) -{ - unsigned int regdata; - - regdata = ((unsigned int) reg) << 24; - regdata |= val; - regdata &= CMD_MASK; - regdata |= CMD_NEW; - regdata &= ACC_CODEC_CNTL_WR_CMD; - - cs_writel(cs5535au, ACC_CODEC_CNTL, regdata); - wait_till_cmd_acked(cs5535au, 50); -} - -static void snd_cs5535audio_ac97_codec_write(struct snd_ac97 *ac97, - unsigned short reg, unsigned short val) -{ - struct cs5535audio *cs5535au = ac97->private_data; - snd_cs5535audio_codec_write(cs5535au, reg, val); -} - -static unsigned short snd_cs5535audio_ac97_codec_read(struct snd_ac97 *ac97, - unsigned short reg) -{ - struct cs5535audio *cs5535au = ac97->private_data; - return snd_cs5535audio_codec_read(cs5535au, reg); -} - -static int __devinit snd_cs5535audio_mixer(struct cs5535audio *cs5535au) -{ - struct snd_card *card = cs5535au->card; - struct snd_ac97_bus *pbus; - struct snd_ac97_template ac97; - int err; - static struct snd_ac97_bus_ops ops = { - .write = snd_cs5535audio_ac97_codec_write, - .read = snd_cs5535audio_ac97_codec_read, - }; - - if ((err = snd_ac97_bus(card, 0, &ops, NULL, &pbus)) < 0) - return err; - - memset(&ac97, 0, sizeof(ac97)); - ac97.scaps = AC97_SCAP_AUDIO | AC97_SCAP_SKIP_MODEM - | AC97_SCAP_POWER_SAVE; - ac97.private_data = cs5535au; - ac97.pci = cs5535au->pci; - - /* set any OLPC-specific scaps */ - olpc_prequirks(card, &ac97); - - if ((err = snd_ac97_mixer(pbus, &ac97, &cs5535au->ac97)) < 0) { - snd_printk(KERN_ERR "mixer failed\n"); - return err; - } - - snd_ac97_tune_hardware(cs5535au->ac97, ac97_quirks, ac97_quirk); - - err = olpc_quirks(card, cs5535au->ac97); - if (err < 0) { - snd_printk(KERN_ERR "olpc quirks failed\n"); - return err; - } - - return 0; -} - -static void process_bm0_irq(struct cs5535audio *cs5535au) -{ - u8 bm_stat; - spin_lock(&cs5535au->reg_lock); - bm_stat = cs_readb(cs5535au, ACC_BM0_STATUS); - spin_unlock(&cs5535au->reg_lock); - if (bm_stat & EOP) { - struct cs5535audio_dma *dma; - dma = cs5535au->playback_substream->runtime->private_data; - snd_pcm_period_elapsed(cs5535au->playback_substream); - } else { - snd_printk(KERN_ERR "unexpected bm0 irq src, bm_stat=%x\n", - bm_stat); - } -} - -static void process_bm1_irq(struct cs5535audio *cs5535au) -{ - u8 bm_stat; - spin_lock(&cs5535au->reg_lock); - bm_stat = cs_readb(cs5535au, ACC_BM1_STATUS); - spin_unlock(&cs5535au->reg_lock); - if (bm_stat & EOP) { - struct cs5535audio_dma *dma; - dma = cs5535au->capture_substream->runtime->private_data; - snd_pcm_period_elapsed(cs5535au->capture_substream); - } -} - -static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id) -{ - u16 acc_irq_stat; - unsigned char count; - struct cs5535audio *cs5535au = dev_id; - - if (cs5535au == NULL) - return IRQ_NONE; - - acc_irq_stat = cs_readw(cs5535au, ACC_IRQ_STATUS); - - if (!acc_irq_stat) - return IRQ_NONE; - for (count = 0; count < 4; count++) { - if (acc_irq_stat & (1 << count)) { - switch (count) { - case IRQ_STS: - cs_readl(cs5535au, ACC_GPIO_STATUS); - break; - case WU_IRQ_STS: - cs_readl(cs5535au, ACC_GPIO_STATUS); - break; - case BM0_IRQ_STS: - process_bm0_irq(cs5535au); - break; - case BM1_IRQ_STS: - process_bm1_irq(cs5535au); - break; - default: - snd_printk(KERN_ERR "Unexpected irq src: " - "0x%x\n", acc_irq_stat); - break; - } - } - } - return IRQ_HANDLED; -} - -static int snd_cs5535audio_free(struct cs5535audio *cs5535au) -{ - synchronize_irq(cs5535au->irq); - pci_set_power_state(cs5535au->pci, 3); - - if (cs5535au->irq >= 0) - free_irq(cs5535au->irq, cs5535au); - - pci_release_regions(cs5535au->pci); - pci_disable_device(cs5535au->pci); - kfree(cs5535au); - return 0; -} - -static int snd_cs5535audio_dev_free(struct snd_device *device) -{ - struct cs5535audio *cs5535au = device->device_data; - return snd_cs5535audio_free(cs5535au); -} - -static int __devinit snd_cs5535audio_create(struct snd_card *card, - struct pci_dev *pci, - struct cs5535audio **rcs5535au) -{ - struct cs5535audio *cs5535au; - - int err; - static struct snd_device_ops ops = { - .dev_free = snd_cs5535audio_dev_free, - }; - - *rcs5535au = NULL; - if ((err = pci_enable_device(pci)) < 0) - return err; - - if (pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0 || - pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32)) < 0) { - printk(KERN_WARNING "unable to get 32bit dma\n"); - err = -ENXIO; - goto pcifail; - } - - cs5535au = kzalloc(sizeof(*cs5535au), GFP_KERNEL); - if (cs5535au == NULL) { - err = -ENOMEM; - goto pcifail; - } - - spin_lock_init(&cs5535au->reg_lock); - cs5535au->card = card; - cs5535au->pci = pci; - cs5535au->irq = -1; - - if ((err = pci_request_regions(pci, "CS5535 Audio")) < 0) { - kfree(cs5535au); - goto pcifail; - } - - cs5535au->port = pci_resource_start(pci, 0); - - if (request_irq(pci->irq, snd_cs5535audio_interrupt, - IRQF_SHARED, KBUILD_MODNAME, cs5535au)) { - snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); - err = -EBUSY; - goto sndfail; - } - - cs5535au->irq = pci->irq; - pci_set_master(pci); - - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, - cs5535au, &ops)) < 0) - goto sndfail; - - snd_card_set_dev(card, &pci->dev); - - *rcs5535au = cs5535au; - return 0; - -sndfail: /* leave the device alive, just kill the snd */ - snd_cs5535audio_free(cs5535au); - return err; - -pcifail: - pci_disable_device(pci); - return err; -} - -static int __devinit snd_cs5535audio_probe(struct pci_dev *pci, - const struct pci_device_id *pci_id) -{ - static int dev; - struct snd_card *card; - struct cs5535audio *cs5535au; - int err; - - if (dev >= SNDRV_CARDS) - return -ENODEV; - if (!enable[dev]) { - dev++; - return -ENOENT; - } - - err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); - if (err < 0) - return err; - - if ((err = snd_cs5535audio_create(card, pci, &cs5535au)) < 0) - goto probefail_out; - - card->private_data = cs5535au; - - if ((err = snd_cs5535audio_mixer(cs5535au)) < 0) - goto probefail_out; - - if ((err = snd_cs5535audio_pcm(cs5535au)) < 0) - goto probefail_out; - - strcpy(card->driver, DRIVER_NAME); - - strcpy(card->shortname, "CS5535 Audio"); - sprintf(card->longname, "%s %s at 0x%lx, irq %i", - card->shortname, card->driver, - cs5535au->port, cs5535au->irq); - - if ((err = snd_card_register(card)) < 0) - goto probefail_out; - - pci_set_drvdata(pci, card); - dev++; - return 0; - -probefail_out: - snd_card_free(card); - return err; -} - -static void __devexit snd_cs5535audio_remove(struct pci_dev *pci) -{ - olpc_quirks_cleanup(); - snd_card_free(pci_get_drvdata(pci)); - pci_set_drvdata(pci, NULL); -} - -static struct pci_driver driver = { - .name = KBUILD_MODNAME, - .id_table = snd_cs5535audio_ids, - .probe = snd_cs5535audio_probe, - .remove = __devexit_p(snd_cs5535audio_remove), -#ifdef CONFIG_PM - .suspend = snd_cs5535audio_suspend, - .resume = snd_cs5535audio_resume, -#endif -}; - -static int __init alsa_card_cs5535audio_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_cs5535audio_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_cs5535audio_init) -module_exit(alsa_card_cs5535audio_exit) - -MODULE_AUTHOR("Jaya Kumar"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("CS5535 Audio"); -MODULE_SUPPORTED_DEVICE("CS5535 Audio"); diff --git a/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio.h b/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio.h deleted file mode 100644 index 51966d78..00000000 --- a/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio.h +++ /dev/null @@ -1,142 +0,0 @@ -#ifndef __SOUND_CS5535AUDIO_H -#define __SOUND_CS5535AUDIO_H - -#define cs_writel(cs5535au, reg, val) outl(val, (cs5535au)->port + reg) -#define cs_writeb(cs5535au, reg, val) outb(val, (cs5535au)->port + reg) -#define cs_readl(cs5535au, reg) inl((cs5535au)->port + reg) -#define cs_readw(cs5535au, reg) inw((cs5535au)->port + reg) -#define cs_readb(cs5535au, reg) inb((cs5535au)->port + reg) - -#define CS5535AUDIO_MAX_DESCRIPTORS 128 - -/* acc_codec bar0 reg addrs */ -#define ACC_GPIO_STATUS 0x00 -#define ACC_CODEC_STATUS 0x08 -#define ACC_CODEC_CNTL 0x0C -#define ACC_IRQ_STATUS 0x12 -#define ACC_BM0_CMD 0x20 -#define ACC_BM1_CMD 0x28 -#define ACC_BM0_PRD 0x24 -#define ACC_BM1_PRD 0x2C -#define ACC_BM0_STATUS 0x21 -#define ACC_BM1_STATUS 0x29 -#define ACC_BM0_PNTR 0x60 -#define ACC_BM1_PNTR 0x64 - -/* acc_codec bar0 reg bits */ -/* ACC_IRQ_STATUS */ -#define IRQ_STS 0 -#define WU_IRQ_STS 1 -#define BM0_IRQ_STS 2 -#define BM1_IRQ_STS 3 -/* ACC_BMX_STATUS */ -#define EOP (1<<0) -#define BM_EOP_ERR (1<<1) -/* ACC_BMX_CTL */ -#define BM_CTL_EN 0x01 -#define BM_CTL_PAUSE 0x03 -#define BM_CTL_DIS 0x00 -#define BM_CTL_BYTE_ORD_LE 0x00 -#define BM_CTL_BYTE_ORD_BE 0x04 -/* cs5535 specific ac97 codec register defines */ -#define CMD_MASK 0xFF00FFFF -#define CMD_NEW 0x00010000 -#define STS_NEW 0x00020000 -#define PRM_RDY_STS 0x00800000 -#define ACC_CODEC_CNTL_WR_CMD (~0x80000000) -#define ACC_CODEC_CNTL_RD_CMD 0x80000000 -#define ACC_CODEC_CNTL_LNK_SHUTDOWN 0x00040000 -#define ACC_CODEC_CNTL_LNK_WRM_RST 0x00020000 -#define PRD_JMP 0x2000 -#define PRD_EOP 0x4000 -#define PRD_EOT 0x8000 - -enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS }; - -struct cs5535audio; - -struct cs5535audio_dma_ops { - int type; - void (*enable_dma)(struct cs5535audio *cs5535au); - void (*disable_dma)(struct cs5535audio *cs5535au); - void (*pause_dma)(struct cs5535audio *cs5535au); - void (*setup_prd)(struct cs5535audio *cs5535au, u32 prd_addr); - u32 (*read_prd)(struct cs5535audio *cs5535au); - u32 (*read_dma_pntr)(struct cs5535audio *cs5535au); -}; - -struct cs5535audio_dma_desc { - u32 addr; - u16 size; - u16 ctlreserved; -}; - -struct cs5535audio_dma { - const struct cs5535audio_dma_ops *ops; - struct snd_dma_buffer desc_buf; - struct snd_pcm_substream *substream; - unsigned int buf_addr, buf_bytes; - unsigned int period_bytes, periods; - u32 saved_prd; - int pcm_open_flag; -}; - -struct cs5535audio { - struct snd_card *card; - struct snd_ac97 *ac97; - struct snd_pcm *pcm; - int irq; - struct pci_dev *pci; - unsigned long port; - spinlock_t reg_lock; - struct snd_pcm_substream *playback_substream; - struct snd_pcm_substream *capture_substream; - struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS]; -}; - -#ifdef CONFIG_PM -int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state); -int snd_cs5535audio_resume(struct pci_dev *pci); -#endif - -#ifdef CONFIG_OLPC -void __devinit olpc_prequirks(struct snd_card *card, - struct snd_ac97_template *ac97); -int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97); -void __devexit olpc_quirks_cleanup(void); -void olpc_analog_input(struct snd_ac97 *ac97, int on); -void olpc_mic_bias(struct snd_ac97 *ac97, int on); - -static inline void olpc_capture_open(struct snd_ac97 *ac97) -{ - /* default to Analog Input off */ - olpc_analog_input(ac97, 0); - /* enable MIC Bias for recording */ - olpc_mic_bias(ac97, 1); -} - -static inline void olpc_capture_close(struct snd_ac97 *ac97) -{ - /* disable Analog Input */ - olpc_analog_input(ac97, 0); - /* disable the MIC Bias (so the recording LED turns off) */ - olpc_mic_bias(ac97, 0); -} -#else -static inline void olpc_prequirks(struct snd_card *card, - struct snd_ac97_template *ac97) { } -static inline int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97) -{ - return 0; -} -static inline void olpc_quirks_cleanup(void) { } -static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { } -static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { } -static inline void olpc_capture_open(struct snd_ac97 *ac97) { } -static inline void olpc_capture_close(struct snd_ac97 *ac97) { } -#endif - -int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio); - -#endif /* __SOUND_CS5535AUDIO_H */ - diff --git a/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_olpc.c b/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_olpc.c deleted file mode 100644 index 50da49be..00000000 --- a/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_olpc.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * OLPC XO-1 additional sound features - * - * Copyright © 2006 Jaya Kumar <jayakumar.lkml@gmail.com> - * Copyright © 2007-2008 Andres Salomon <dilinger@debian.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ -#include <sound/core.h> -#include <sound/info.h> -#include <sound/control.h> -#include <sound/ac97_codec.h> -#include <linux/gpio.h> - -#include <asm/olpc.h> -#include "cs5535audio.h" - -#define DRV_NAME "cs5535audio-olpc" - -/* - * OLPC has an additional feature on top of the regular AD1888 codec features. - * It has an Analog Input mode that is switched into (after disabling the - * High Pass Filter) via GPIO. It is supported on B2 and later models. - */ -void olpc_analog_input(struct snd_ac97 *ac97, int on) -{ - int err; - - if (!machine_is_olpc()) - return; - - /* update the High Pass Filter (via AC97_AD_TEST2) */ - err = snd_ac97_update_bits(ac97, AC97_AD_TEST2, - 1 << AC97_AD_HPFD_SHIFT, on << AC97_AD_HPFD_SHIFT); - if (err < 0) { - snd_printk(KERN_ERR "setting High Pass Filter - %d\n", err); - return; - } - - /* set Analog Input through GPIO */ - gpio_set_value(OLPC_GPIO_MIC_AC, on); -} - -/* - * OLPC XO-1's V_REFOUT is a mic bias enable. - */ -void olpc_mic_bias(struct snd_ac97 *ac97, int on) -{ - int err; - - if (!machine_is_olpc()) - return; - - on = on ? 0 : 1; - err = snd_ac97_update_bits(ac97, AC97_AD_MISC, - 1 << AC97_AD_VREFD_SHIFT, on << AC97_AD_VREFD_SHIFT); - if (err < 0) - snd_printk(KERN_ERR "setting MIC Bias - %d\n", err); -} - -static int olpc_dc_info(struct snd_kcontrol *kctl, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = 1; - return 0; -} - -static int olpc_dc_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v) -{ - v->value.integer.value[0] = gpio_get_value(OLPC_GPIO_MIC_AC); - return 0; -} - -static int olpc_dc_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v) -{ - struct cs5535audio *cs5535au = snd_kcontrol_chip(kctl); - - olpc_analog_input(cs5535au->ac97, v->value.integer.value[0]); - return 1; -} - -static int olpc_mic_info(struct snd_kcontrol *kctl, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = 1; - return 0; -} - -static int olpc_mic_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v) -{ - struct cs5535audio *cs5535au = snd_kcontrol_chip(kctl); - struct snd_ac97 *ac97 = cs5535au->ac97; - int i; - - i = (snd_ac97_read(ac97, AC97_AD_MISC) >> AC97_AD_VREFD_SHIFT) & 0x1; - v->value.integer.value[0] = i ? 0 : 1; - return 0; -} - -static int olpc_mic_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v) -{ - struct cs5535audio *cs5535au = snd_kcontrol_chip(kctl); - - olpc_mic_bias(cs5535au->ac97, v->value.integer.value[0]); - return 1; -} - -static struct snd_kcontrol_new olpc_cs5535audio_ctls[] __devinitdata = { -{ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "DC Mode Enable", - .info = olpc_dc_info, - .get = olpc_dc_get, - .put = olpc_dc_put, - .private_value = 0, -}, -{ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "MIC Bias Enable", - .info = olpc_mic_info, - .get = olpc_mic_get, - .put = olpc_mic_put, - .private_value = 0, -}, -}; - -void __devinit olpc_prequirks(struct snd_card *card, - struct snd_ac97_template *ac97) -{ - if (!machine_is_olpc()) - return; - - /* invert EAPD if on an OLPC B3 or higher */ - if (olpc_board_at_least(olpc_board_pre(0xb3))) - ac97->scaps |= AC97_SCAP_INV_EAPD; -} - -int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97) -{ - struct snd_ctl_elem_id elem; - int i, err; - - if (!machine_is_olpc()) - return 0; - - if (gpio_request(OLPC_GPIO_MIC_AC, DRV_NAME)) { - printk(KERN_ERR DRV_NAME ": unable to allocate MIC GPIO\n"); - return -EIO; - } - gpio_direction_output(OLPC_GPIO_MIC_AC, 0); - - /* drop the original AD1888 HPF control */ - memset(&elem, 0, sizeof(elem)); - elem.iface = SNDRV_CTL_ELEM_IFACE_MIXER; - strncpy(elem.name, "High Pass Filter Enable", sizeof(elem.name)); - snd_ctl_remove_id(card, &elem); - - /* drop the original V_REFOUT control */ - memset(&elem, 0, sizeof(elem)); - elem.iface = SNDRV_CTL_ELEM_IFACE_MIXER; - strncpy(elem.name, "V_REFOUT Enable", sizeof(elem.name)); - snd_ctl_remove_id(card, &elem); - - /* add the OLPC-specific controls */ - for (i = 0; i < ARRAY_SIZE(olpc_cs5535audio_ctls); i++) { - err = snd_ctl_add(card, snd_ctl_new1(&olpc_cs5535audio_ctls[i], - ac97->private_data)); - if (err < 0) { - gpio_free(OLPC_GPIO_MIC_AC); - return err; - } - } - - /* turn off the mic by default */ - olpc_mic_bias(ac97, 0); - return 0; -} - -void __devexit olpc_quirks_cleanup(void) -{ - gpio_free(OLPC_GPIO_MIC_AC); -} diff --git a/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_pcm.c b/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_pcm.c deleted file mode 100644 index dbf94b18..00000000 --- a/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_pcm.c +++ /dev/null @@ -1,454 +0,0 @@ -/* - * Driver for audio on multifunction CS5535 companion device - * Copyright (C) Jaya Kumar - * - * Based on Jaroslav Kysela and Takashi Iwai's examples. - * This work was sponsored by CIS(M) Sdn Bhd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * todo: add be fmt support, spdif, pm - */ - -#include <linux/init.h> -#include <linux/pci.h> -#include <sound/core.h> -#include <sound/control.h> -#include <sound/initval.h> -#include <sound/asoundef.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/ac97_codec.h> -#include "cs5535audio.h" - -static struct snd_pcm_hardware snd_cs5535audio_playback = -{ - .info = ( - SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_RESUME - ), - .formats = ( - SNDRV_PCM_FMTBIT_S16_LE - ), - .rates = ( - SNDRV_PCM_RATE_CONTINUOUS | - SNDRV_PCM_RATE_8000_48000 - ), - .rate_min = 4000, - .rate_max = 48000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = (128*1024), - .period_bytes_min = 64, - .period_bytes_max = (64*1024 - 16), - .periods_min = 1, - .periods_max = CS5535AUDIO_MAX_DESCRIPTORS, - .fifo_size = 0, -}; - -static struct snd_pcm_hardware snd_cs5535audio_capture = -{ - .info = ( - SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID - ), - .formats = ( - SNDRV_PCM_FMTBIT_S16_LE - ), - .rates = ( - SNDRV_PCM_RATE_CONTINUOUS | - SNDRV_PCM_RATE_8000_48000 - ), - .rate_min = 4000, - .rate_max = 48000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = (128*1024), - .period_bytes_min = 64, - .period_bytes_max = (64*1024 - 16), - .periods_min = 1, - .periods_max = CS5535AUDIO_MAX_DESCRIPTORS, - .fifo_size = 0, -}; - -static int snd_cs5535audio_playback_open(struct snd_pcm_substream *substream) -{ - int err; - struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - - runtime->hw = snd_cs5535audio_playback; - runtime->hw.rates = cs5535au->ac97->rates[AC97_RATES_FRONT_DAC]; - snd_pcm_limit_hw_rates(runtime); - cs5535au->playback_substream = substream; - runtime->private_data = &(cs5535au->dmas[CS5535AUDIO_DMA_PLAYBACK]); - if ((err = snd_pcm_hw_constraint_integer(runtime, - SNDRV_PCM_HW_PARAM_PERIODS)) < 0) - return err; - - return 0; -} - -static int snd_cs5535audio_playback_close(struct snd_pcm_substream *substream) -{ - return 0; -} - -#define CS5535AUDIO_DESC_LIST_SIZE \ - PAGE_ALIGN(CS5535AUDIO_MAX_DESCRIPTORS * sizeof(struct cs5535audio_dma_desc)) - -static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au, - struct cs5535audio_dma *dma, - struct snd_pcm_substream *substream, - unsigned int periods, - unsigned int period_bytes) -{ - unsigned int i; - u32 addr, desc_addr, jmpprd_addr; - struct cs5535audio_dma_desc *lastdesc; - - if (periods > CS5535AUDIO_MAX_DESCRIPTORS) - return -ENOMEM; - - if (dma->desc_buf.area == NULL) { - if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, - snd_dma_pci_data(cs5535au->pci), - CS5535AUDIO_DESC_LIST_SIZE+1, - &dma->desc_buf) < 0) - return -ENOMEM; - dma->period_bytes = dma->periods = 0; - } - - if (dma->periods == periods && dma->period_bytes == period_bytes) - return 0; - - /* the u32 cast is okay because in snd*create we successfully told - pci alloc that we're only 32 bit capable so the uppper will be 0 */ - addr = (u32) substream->runtime->dma_addr; - desc_addr = (u32) dma->desc_buf.addr; - for (i = 0; i < periods; i++) { - struct cs5535audio_dma_desc *desc = - &((struct cs5535audio_dma_desc *) dma->desc_buf.area)[i]; - desc->addr = cpu_to_le32(addr); - desc->size = cpu_to_le16(period_bytes); - desc->ctlreserved = cpu_to_le16(PRD_EOP); - desc_addr += sizeof(struct cs5535audio_dma_desc); - addr += period_bytes; - } - /* we reserved one dummy descriptor at the end to do the PRD jump */ - lastdesc = &((struct cs5535audio_dma_desc *) dma->desc_buf.area)[periods]; - lastdesc->addr = cpu_to_le32((u32) dma->desc_buf.addr); - lastdesc->size = 0; - lastdesc->ctlreserved = cpu_to_le16(PRD_JMP); - jmpprd_addr = cpu_to_le32(lastdesc->addr + - (sizeof(struct cs5535audio_dma_desc)*periods)); - - dma->substream = substream; - dma->period_bytes = period_bytes; - dma->periods = periods; - spin_lock_irq(&cs5535au->reg_lock); - dma->ops->disable_dma(cs5535au); - dma->ops->setup_prd(cs5535au, jmpprd_addr); - spin_unlock_irq(&cs5535au->reg_lock); - return 0; -} - -static void cs5535audio_playback_enable_dma(struct cs5535audio *cs5535au) -{ - cs_writeb(cs5535au, ACC_BM0_CMD, BM_CTL_EN); -} - -static void cs5535audio_playback_disable_dma(struct cs5535audio *cs5535au) -{ - cs_writeb(cs5535au, ACC_BM0_CMD, 0); -} - -static void cs5535audio_playback_pause_dma(struct cs5535audio *cs5535au) -{ - cs_writeb(cs5535au, ACC_BM0_CMD, BM_CTL_PAUSE); -} - -static void cs5535audio_playback_setup_prd(struct cs5535audio *cs5535au, - u32 prd_addr) -{ - cs_writel(cs5535au, ACC_BM0_PRD, prd_addr); -} - -static u32 cs5535audio_playback_read_prd(struct cs5535audio *cs5535au) -{ - return cs_readl(cs5535au, ACC_BM0_PRD); -} - -static u32 cs5535audio_playback_read_dma_pntr(struct cs5535audio *cs5535au) -{ - return cs_readl(cs5535au, ACC_BM0_PNTR); -} - -static void cs5535audio_capture_enable_dma(struct cs5535audio *cs5535au) -{ - cs_writeb(cs5535au, ACC_BM1_CMD, BM_CTL_EN); -} - -static void cs5535audio_capture_disable_dma(struct cs5535audio *cs5535au) -{ - cs_writeb(cs5535au, ACC_BM1_CMD, 0); -} - -static void cs5535audio_capture_pause_dma(struct cs5535audio *cs5535au) -{ - cs_writeb(cs5535au, ACC_BM1_CMD, BM_CTL_PAUSE); -} - -static void cs5535audio_capture_setup_prd(struct cs5535audio *cs5535au, - u32 prd_addr) -{ - cs_writel(cs5535au, ACC_BM1_PRD, prd_addr); -} - -static u32 cs5535audio_capture_read_prd(struct cs5535audio *cs5535au) -{ - return cs_readl(cs5535au, ACC_BM1_PRD); -} - -static u32 cs5535audio_capture_read_dma_pntr(struct cs5535audio *cs5535au) -{ - return cs_readl(cs5535au, ACC_BM1_PNTR); -} - -static void cs5535audio_clear_dma_packets(struct cs5535audio *cs5535au, - struct cs5535audio_dma *dma, - struct snd_pcm_substream *substream) -{ - snd_dma_free_pages(&dma->desc_buf); - dma->desc_buf.area = NULL; - dma->substream = NULL; -} - -static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream); - struct cs5535audio_dma *dma = substream->runtime->private_data; - int err; - - err = snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); - if (err < 0) - return err; - dma->buf_addr = substream->runtime->dma_addr; - dma->buf_bytes = params_buffer_bytes(hw_params); - - err = cs5535audio_build_dma_packets(cs5535au, dma, substream, - params_periods(hw_params), - params_period_bytes(hw_params)); - if (!err) - dma->pcm_open_flag = 1; - - return err; -} - -static int snd_cs5535audio_hw_free(struct snd_pcm_substream *substream) -{ - struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream); - struct cs5535audio_dma *dma = substream->runtime->private_data; - - if (dma->pcm_open_flag) { - if (substream == cs5535au->playback_substream) - snd_ac97_update_power(cs5535au->ac97, - AC97_PCM_FRONT_DAC_RATE, 0); - else - snd_ac97_update_power(cs5535au->ac97, - AC97_PCM_LR_ADC_RATE, 0); - dma->pcm_open_flag = 0; - } - cs5535audio_clear_dma_packets(cs5535au, dma, substream); - return snd_pcm_lib_free_pages(substream); -} - -static int snd_cs5535audio_playback_prepare(struct snd_pcm_substream *substream) -{ - struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream); - return snd_ac97_set_rate(cs5535au->ac97, AC97_PCM_FRONT_DAC_RATE, - substream->runtime->rate); -} - -static int snd_cs5535audio_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream); - struct cs5535audio_dma *dma = substream->runtime->private_data; - int err = 0; - - spin_lock(&cs5535au->reg_lock); - switch (cmd) { - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - dma->ops->pause_dma(cs5535au); - break; - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - dma->ops->enable_dma(cs5535au); - break; - case SNDRV_PCM_TRIGGER_START: - dma->ops->enable_dma(cs5535au); - break; - case SNDRV_PCM_TRIGGER_RESUME: - dma->ops->enable_dma(cs5535au); - break; - case SNDRV_PCM_TRIGGER_STOP: - dma->ops->disable_dma(cs5535au); - break; - case SNDRV_PCM_TRIGGER_SUSPEND: - dma->ops->disable_dma(cs5535au); - break; - default: - snd_printk(KERN_ERR "unhandled trigger\n"); - err = -EINVAL; - break; - } - spin_unlock(&cs5535au->reg_lock); - return err; -} - -static snd_pcm_uframes_t snd_cs5535audio_pcm_pointer(struct snd_pcm_substream - *substream) -{ - struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream); - u32 curdma; - struct cs5535audio_dma *dma; - - dma = substream->runtime->private_data; - curdma = dma->ops->read_dma_pntr(cs5535au); - if (curdma < dma->buf_addr) { - snd_printk(KERN_ERR "curdma=%x < %x bufaddr.\n", - curdma, dma->buf_addr); - return 0; - } - curdma -= dma->buf_addr; - if (curdma >= dma->buf_bytes) { - snd_printk(KERN_ERR "diff=%x >= %x buf_bytes.\n", - curdma, dma->buf_bytes); - return 0; - } - return bytes_to_frames(substream->runtime, curdma); -} - -static int snd_cs5535audio_capture_open(struct snd_pcm_substream *substream) -{ - int err; - struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - - runtime->hw = snd_cs5535audio_capture; - runtime->hw.rates = cs5535au->ac97->rates[AC97_RATES_ADC]; - snd_pcm_limit_hw_rates(runtime); - cs5535au->capture_substream = substream; - runtime->private_data = &(cs5535au->dmas[CS5535AUDIO_DMA_CAPTURE]); - if ((err = snd_pcm_hw_constraint_integer(runtime, - SNDRV_PCM_HW_PARAM_PERIODS)) < 0) - return err; - olpc_capture_open(cs5535au->ac97); - return 0; -} - -static int snd_cs5535audio_capture_close(struct snd_pcm_substream *substream) -{ - struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream); - olpc_capture_close(cs5535au->ac97); - return 0; -} - -static int snd_cs5535audio_capture_prepare(struct snd_pcm_substream *substream) -{ - struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream); - return snd_ac97_set_rate(cs5535au->ac97, AC97_PCM_LR_ADC_RATE, - substream->runtime->rate); -} - -static struct snd_pcm_ops snd_cs5535audio_playback_ops = { - .open = snd_cs5535audio_playback_open, - .close = snd_cs5535audio_playback_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_cs5535audio_hw_params, - .hw_free = snd_cs5535audio_hw_free, - .prepare = snd_cs5535audio_playback_prepare, - .trigger = snd_cs5535audio_trigger, - .pointer = snd_cs5535audio_pcm_pointer, -}; - -static struct snd_pcm_ops snd_cs5535audio_capture_ops = { - .open = snd_cs5535audio_capture_open, - .close = snd_cs5535audio_capture_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_cs5535audio_hw_params, - .hw_free = snd_cs5535audio_hw_free, - .prepare = snd_cs5535audio_capture_prepare, - .trigger = snd_cs5535audio_trigger, - .pointer = snd_cs5535audio_pcm_pointer, -}; - -static struct cs5535audio_dma_ops snd_cs5535audio_playback_dma_ops = { - .type = CS5535AUDIO_DMA_PLAYBACK, - .enable_dma = cs5535audio_playback_enable_dma, - .disable_dma = cs5535audio_playback_disable_dma, - .setup_prd = cs5535audio_playback_setup_prd, - .read_prd = cs5535audio_playback_read_prd, - .pause_dma = cs5535audio_playback_pause_dma, - .read_dma_pntr = cs5535audio_playback_read_dma_pntr, -}; - -static struct cs5535audio_dma_ops snd_cs5535audio_capture_dma_ops = { - .type = CS5535AUDIO_DMA_CAPTURE, - .enable_dma = cs5535audio_capture_enable_dma, - .disable_dma = cs5535audio_capture_disable_dma, - .setup_prd = cs5535audio_capture_setup_prd, - .read_prd = cs5535audio_capture_read_prd, - .pause_dma = cs5535audio_capture_pause_dma, - .read_dma_pntr = cs5535audio_capture_read_dma_pntr, -}; - -int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535au) -{ - struct snd_pcm *pcm; - int err; - - err = snd_pcm_new(cs5535au->card, "CS5535 Audio", 0, 1, 1, &pcm); - if (err < 0) - return err; - - cs5535au->dmas[CS5535AUDIO_DMA_PLAYBACK].ops = - &snd_cs5535audio_playback_dma_ops; - cs5535au->dmas[CS5535AUDIO_DMA_CAPTURE].ops = - &snd_cs5535audio_capture_dma_ops; - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, - &snd_cs5535audio_playback_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, - &snd_cs5535audio_capture_ops); - - pcm->private_data = cs5535au; - pcm->info_flags = 0; - strcpy(pcm->name, "CS5535 Audio"); - - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - snd_dma_pci_data(cs5535au->pci), - 64*1024, 128*1024); - cs5535au->pcm = pcm; - - return 0; -} - diff --git a/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_pm.c b/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_pm.c deleted file mode 100644 index 185b0008..00000000 --- a/ANDROID_3.4.5/sound/pci/cs5535audio/cs5535audio_pm.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Power management for audio on multifunction CS5535 companion device - * Copyright (C) Jaya Kumar - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <sound/core.h> -#include <sound/control.h> -#include <sound/initval.h> -#include <sound/asoundef.h> -#include <sound/pcm.h> -#include <sound/ac97_codec.h> -#include "cs5535audio.h" - -static void snd_cs5535audio_stop_hardware(struct cs5535audio *cs5535au) -{ - /* - we depend on snd_ac97_suspend to tell the - AC97 codec to shutdown. the amd spec suggests - that the LNK_SHUTDOWN be done at the same time - that the codec power-down is issued. instead, - we do it just after rather than at the same - time. excluding codec specific build_ops->suspend - ac97 powerdown hits: - 0x8000 EAPD - 0x4000 Headphone amplifier - 0x0300 ADC & DAC - 0x0400 Analog Mixer powerdown (Vref on) - I am not sure if this is the best that we can do. - The remainder to be investigated are: - - analog mixer (vref off) 0x0800 - - AC-link powerdown 0x1000 - - codec internal clock 0x2000 - */ - - /* set LNK_SHUTDOWN to shutdown AC link */ - cs_writel(cs5535au, ACC_CODEC_CNTL, ACC_CODEC_CNTL_LNK_SHUTDOWN); - -} - -int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state) -{ - struct snd_card *card = pci_get_drvdata(pci); - struct cs5535audio *cs5535au = card->private_data; - int i; - - snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(cs5535au->pcm); - snd_ac97_suspend(cs5535au->ac97); - for (i = 0; i < NUM_CS5535AUDIO_DMAS; i++) { - struct cs5535audio_dma *dma = &cs5535au->dmas[i]; - if (dma && dma->substream) - dma->saved_prd = dma->ops->read_prd(cs5535au); - } - /* save important regs, then disable aclink in hw */ - snd_cs5535audio_stop_hardware(cs5535au); - - if (pci_save_state(pci)) { - printk(KERN_ERR "cs5535audio: pci_save_state failed!\n"); - return -EIO; - } - pci_disable_device(pci); - pci_set_power_state(pci, pci_choose_state(pci, state)); - return 0; -} - -int snd_cs5535audio_resume(struct pci_dev *pci) -{ - struct snd_card *card = pci_get_drvdata(pci); - struct cs5535audio *cs5535au = card->private_data; - u32 tmp; - int timeout; - int i; - - pci_set_power_state(pci, PCI_D0); - pci_restore_state(pci); - if (pci_enable_device(pci) < 0) { - printk(KERN_ERR "cs5535audio: pci_enable_device failed, " - "disabling device\n"); - snd_card_disconnect(card); - return -EIO; - } - pci_set_master(pci); - - /* set LNK_WRM_RST to reset AC link */ - cs_writel(cs5535au, ACC_CODEC_CNTL, ACC_CODEC_CNTL_LNK_WRM_RST); - - timeout = 50; - do { - tmp = cs_readl(cs5535au, ACC_CODEC_STATUS); - if (tmp & PRM_RDY_STS) - break; - udelay(1); - } while (--timeout); - - if (!timeout) - snd_printk(KERN_ERR "Failure getting AC Link ready\n"); - - /* set up rate regs, dma. actual initiation is done in trig */ - for (i = 0; i < NUM_CS5535AUDIO_DMAS; i++) { - struct cs5535audio_dma *dma = &cs5535au->dmas[i]; - if (dma && dma->substream) { - dma->substream->ops->prepare(dma->substream); - dma->ops->setup_prd(cs5535au, dma->saved_prd); - } - } - - /* we depend on ac97 to perform the codec power up */ - snd_ac97_resume(cs5535au->ac97); - snd_power_change_state(card, SNDRV_CTL_POWER_D0); - - return 0; -} - |