182c29810SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 212bb5b78SClemens Ladisch /* Analog Devices 1889 audio driver 312bb5b78SClemens Ladisch * 412bb5b78SClemens Ladisch * This is a driver for the AD1889 PCI audio chipset found 512bb5b78SClemens Ladisch * on the HP PA-RISC [BCJ]-xxx0 workstations. 612bb5b78SClemens Ladisch * 712bb5b78SClemens Ladisch * Copyright (C) 2004-2005, Kyle McMartin <kyle@parisc-linux.org> 812bb5b78SClemens Ladisch * Copyright (C) 2005, Thibaut Varene <varenet@parisc-linux.org> 912bb5b78SClemens Ladisch * Based on the OSS AD1889 driver by Randolph Chung <tausq@debian.org> 1012bb5b78SClemens Ladisch * 1112bb5b78SClemens Ladisch * TODO: 1212bb5b78SClemens Ladisch * Do we need to take care of CCS register? 1312bb5b78SClemens Ladisch * Maybe we could use finer grained locking (separate locks for pb/cap)? 1412bb5b78SClemens Ladisch * Wishlist: 1512bb5b78SClemens Ladisch * Control Interface (mixer) support 1612bb5b78SClemens Ladisch * Better AC97 support (VSR...)? 1712bb5b78SClemens Ladisch * PM support 1812bb5b78SClemens Ladisch * MIDI support 1912bb5b78SClemens Ladisch * Game Port support 2012bb5b78SClemens Ladisch * SG DMA support (this will need *a lot* of work) 2112bb5b78SClemens Ladisch */ 2212bb5b78SClemens Ladisch 2312bb5b78SClemens Ladisch #include <linux/init.h> 2412bb5b78SClemens Ladisch #include <linux/pci.h> 259d2f928dSTobias Klauser #include <linux/dma-mapping.h> 2612bb5b78SClemens Ladisch #include <linux/slab.h> 2712bb5b78SClemens Ladisch #include <linux/interrupt.h> 2812bb5b78SClemens Ladisch #include <linux/compiler.h> 2912bb5b78SClemens Ladisch #include <linux/delay.h> 30da155d5bSPaul Gortmaker #include <linux/module.h> 316cbbfe1cSTakashi Iwai #include <linux/io.h> 3212bb5b78SClemens Ladisch 3312bb5b78SClemens Ladisch #include <sound/core.h> 3412bb5b78SClemens Ladisch #include <sound/pcm.h> 3512bb5b78SClemens Ladisch #include <sound/initval.h> 3612bb5b78SClemens Ladisch #include <sound/ac97_codec.h> 3712bb5b78SClemens Ladisch 3812bb5b78SClemens Ladisch #include "ad1889.h" 3912bb5b78SClemens Ladisch #include "ac97/ac97_id.h" 4012bb5b78SClemens Ladisch 41c6f43290SJaroslav Kysela #define AD1889_DRVVER "Version: 1.7" 4212bb5b78SClemens Ladisch 4312bb5b78SClemens Ladisch MODULE_AUTHOR("Kyle McMartin <kyle@parisc-linux.org>, Thibaut Varene <t-bone@parisc-linux.org>"); 4412bb5b78SClemens Ladisch MODULE_DESCRIPTION("Analog Devices AD1889 ALSA sound driver"); 4512bb5b78SClemens Ladisch MODULE_LICENSE("GPL"); 4612bb5b78SClemens Ladisch MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1889}}"); 4712bb5b78SClemens Ladisch 4812bb5b78SClemens Ladisch static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 4912bb5b78SClemens Ladisch module_param_array(index, int, NULL, 0444); 5012bb5b78SClemens Ladisch MODULE_PARM_DESC(index, "Index value for the AD1889 soundcard."); 5112bb5b78SClemens Ladisch 5212bb5b78SClemens Ladisch static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 5312bb5b78SClemens Ladisch module_param_array(id, charp, NULL, 0444); 5412bb5b78SClemens Ladisch MODULE_PARM_DESC(id, "ID string for the AD1889 soundcard."); 5512bb5b78SClemens Ladisch 56a67ff6a5SRusty Russell static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 5712bb5b78SClemens Ladisch module_param_array(enable, bool, NULL, 0444); 5812bb5b78SClemens Ladisch MODULE_PARM_DESC(enable, "Enable AD1889 soundcard."); 5912bb5b78SClemens Ladisch 6012bb5b78SClemens Ladisch static char *ac97_quirk[SNDRV_CARDS]; 6112bb5b78SClemens Ladisch module_param_array(ac97_quirk, charp, NULL, 0444); 6212bb5b78SClemens Ladisch MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 6312bb5b78SClemens Ladisch 6412bb5b78SClemens Ladisch #define DEVNAME "ad1889" 6512bb5b78SClemens Ladisch #define PFX DEVNAME ": " 6612bb5b78SClemens Ladisch 6712bb5b78SClemens Ladisch /* keep track of some hw registers */ 6812bb5b78SClemens Ladisch struct ad1889_register_state { 6912bb5b78SClemens Ladisch u16 reg; /* reg setup */ 7012bb5b78SClemens Ladisch u32 addr; /* dma base address */ 7112bb5b78SClemens Ladisch unsigned long size; /* DMA buffer size */ 7212bb5b78SClemens Ladisch }; 7312bb5b78SClemens Ladisch 7412bb5b78SClemens Ladisch struct snd_ad1889 { 7502c2de69STakashi Iwai struct snd_card *card; 7612bb5b78SClemens Ladisch struct pci_dev *pci; 7712bb5b78SClemens Ladisch 7812bb5b78SClemens Ladisch int irq; 7912bb5b78SClemens Ladisch unsigned long bar; 8012bb5b78SClemens Ladisch void __iomem *iobase; 8112bb5b78SClemens Ladisch 8202c2de69STakashi Iwai struct snd_ac97 *ac97; 8302c2de69STakashi Iwai struct snd_ac97_bus *ac97_bus; 8402c2de69STakashi Iwai struct snd_pcm *pcm; 8502c2de69STakashi Iwai struct snd_info_entry *proc; 8612bb5b78SClemens Ladisch 8702c2de69STakashi Iwai struct snd_pcm_substream *psubs; 8802c2de69STakashi Iwai struct snd_pcm_substream *csubs; 8912bb5b78SClemens Ladisch 9012bb5b78SClemens Ladisch /* playback register state */ 9112bb5b78SClemens Ladisch struct ad1889_register_state wave; 9212bb5b78SClemens Ladisch struct ad1889_register_state ramc; 9312bb5b78SClemens Ladisch 9412bb5b78SClemens Ladisch spinlock_t lock; 9512bb5b78SClemens Ladisch }; 9612bb5b78SClemens Ladisch 9712bb5b78SClemens Ladisch static inline u16 9812bb5b78SClemens Ladisch ad1889_readw(struct snd_ad1889 *chip, unsigned reg) 9912bb5b78SClemens Ladisch { 10012bb5b78SClemens Ladisch return readw(chip->iobase + reg); 10112bb5b78SClemens Ladisch } 10212bb5b78SClemens Ladisch 10312bb5b78SClemens Ladisch static inline void 10412bb5b78SClemens Ladisch ad1889_writew(struct snd_ad1889 *chip, unsigned reg, u16 val) 10512bb5b78SClemens Ladisch { 10612bb5b78SClemens Ladisch writew(val, chip->iobase + reg); 10712bb5b78SClemens Ladisch } 10812bb5b78SClemens Ladisch 10912bb5b78SClemens Ladisch static inline u32 11012bb5b78SClemens Ladisch ad1889_readl(struct snd_ad1889 *chip, unsigned reg) 11112bb5b78SClemens Ladisch { 11212bb5b78SClemens Ladisch return readl(chip->iobase + reg); 11312bb5b78SClemens Ladisch } 11412bb5b78SClemens Ladisch 11512bb5b78SClemens Ladisch static inline void 11612bb5b78SClemens Ladisch ad1889_writel(struct snd_ad1889 *chip, unsigned reg, u32 val) 11712bb5b78SClemens Ladisch { 11812bb5b78SClemens Ladisch writel(val, chip->iobase + reg); 11912bb5b78SClemens Ladisch } 12012bb5b78SClemens Ladisch 12112bb5b78SClemens Ladisch static inline void 12212bb5b78SClemens Ladisch ad1889_unmute(struct snd_ad1889 *chip) 12312bb5b78SClemens Ladisch { 12412bb5b78SClemens Ladisch u16 st; 12512bb5b78SClemens Ladisch st = ad1889_readw(chip, AD_DS_WADA) & 12612bb5b78SClemens Ladisch ~(AD_DS_WADA_RWAM | AD_DS_WADA_LWAM); 12712bb5b78SClemens Ladisch ad1889_writew(chip, AD_DS_WADA, st); 12812bb5b78SClemens Ladisch ad1889_readw(chip, AD_DS_WADA); 12912bb5b78SClemens Ladisch } 13012bb5b78SClemens Ladisch 13112bb5b78SClemens Ladisch static inline void 13212bb5b78SClemens Ladisch ad1889_mute(struct snd_ad1889 *chip) 13312bb5b78SClemens Ladisch { 13412bb5b78SClemens Ladisch u16 st; 13512bb5b78SClemens Ladisch st = ad1889_readw(chip, AD_DS_WADA) | AD_DS_WADA_RWAM | AD_DS_WADA_LWAM; 13612bb5b78SClemens Ladisch ad1889_writew(chip, AD_DS_WADA, st); 13712bb5b78SClemens Ladisch ad1889_readw(chip, AD_DS_WADA); 13812bb5b78SClemens Ladisch } 13912bb5b78SClemens Ladisch 14012bb5b78SClemens Ladisch static inline void 14112bb5b78SClemens Ladisch ad1889_load_adc_buffer_address(struct snd_ad1889 *chip, u32 address) 14212bb5b78SClemens Ladisch { 14312bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_ADCBA, address); 14412bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_ADCCA, address); 14512bb5b78SClemens Ladisch } 14612bb5b78SClemens Ladisch 14712bb5b78SClemens Ladisch static inline void 14812bb5b78SClemens Ladisch ad1889_load_adc_buffer_count(struct snd_ad1889 *chip, u32 count) 14912bb5b78SClemens Ladisch { 15012bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_ADCBC, count); 15112bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_ADCCC, count); 15212bb5b78SClemens Ladisch } 15312bb5b78SClemens Ladisch 15412bb5b78SClemens Ladisch static inline void 15512bb5b78SClemens Ladisch ad1889_load_adc_interrupt_count(struct snd_ad1889 *chip, u32 count) 15612bb5b78SClemens Ladisch { 15712bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_ADCIB, count); 15812bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_ADCIC, count); 15912bb5b78SClemens Ladisch } 16012bb5b78SClemens Ladisch 16112bb5b78SClemens Ladisch static inline void 16212bb5b78SClemens Ladisch ad1889_load_wave_buffer_address(struct snd_ad1889 *chip, u32 address) 16312bb5b78SClemens Ladisch { 16412bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_WAVBA, address); 16512bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_WAVCA, address); 16612bb5b78SClemens Ladisch } 16712bb5b78SClemens Ladisch 16812bb5b78SClemens Ladisch static inline void 16912bb5b78SClemens Ladisch ad1889_load_wave_buffer_count(struct snd_ad1889 *chip, u32 count) 17012bb5b78SClemens Ladisch { 17112bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_WAVBC, count); 17212bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_WAVCC, count); 17312bb5b78SClemens Ladisch } 17412bb5b78SClemens Ladisch 17512bb5b78SClemens Ladisch static inline void 17612bb5b78SClemens Ladisch ad1889_load_wave_interrupt_count(struct snd_ad1889 *chip, u32 count) 17712bb5b78SClemens Ladisch { 17812bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_WAVIB, count); 17912bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_WAVIC, count); 18012bb5b78SClemens Ladisch } 18112bb5b78SClemens Ladisch 18212bb5b78SClemens Ladisch static void 18312bb5b78SClemens Ladisch ad1889_channel_reset(struct snd_ad1889 *chip, unsigned int channel) 18412bb5b78SClemens Ladisch { 18512bb5b78SClemens Ladisch u16 reg; 18612bb5b78SClemens Ladisch 18712bb5b78SClemens Ladisch if (channel & AD_CHAN_WAV) { 18812bb5b78SClemens Ladisch /* Disable wave channel */ 18912bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DS_WSMC) & ~AD_DS_WSMC_WAEN; 19012bb5b78SClemens Ladisch ad1889_writew(chip, AD_DS_WSMC, reg); 19112bb5b78SClemens Ladisch chip->wave.reg = reg; 19212bb5b78SClemens Ladisch 19312bb5b78SClemens Ladisch /* disable IRQs */ 19412bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DMA_WAV); 19512bb5b78SClemens Ladisch reg &= AD_DMA_IM_DIS; 19612bb5b78SClemens Ladisch reg &= ~AD_DMA_LOOP; 19712bb5b78SClemens Ladisch ad1889_writew(chip, AD_DMA_WAV, reg); 19812bb5b78SClemens Ladisch 19912bb5b78SClemens Ladisch /* clear IRQ and address counters and pointers */ 20012bb5b78SClemens Ladisch ad1889_load_wave_buffer_address(chip, 0x0); 20112bb5b78SClemens Ladisch ad1889_load_wave_buffer_count(chip, 0x0); 20212bb5b78SClemens Ladisch ad1889_load_wave_interrupt_count(chip, 0x0); 20312bb5b78SClemens Ladisch 20412bb5b78SClemens Ladisch /* flush */ 20512bb5b78SClemens Ladisch ad1889_readw(chip, AD_DMA_WAV); 20612bb5b78SClemens Ladisch } 20712bb5b78SClemens Ladisch 20812bb5b78SClemens Ladisch if (channel & AD_CHAN_ADC) { 20912bb5b78SClemens Ladisch /* Disable ADC channel */ 21012bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DS_RAMC) & ~AD_DS_RAMC_ADEN; 21112bb5b78SClemens Ladisch ad1889_writew(chip, AD_DS_RAMC, reg); 21212bb5b78SClemens Ladisch chip->ramc.reg = reg; 21312bb5b78SClemens Ladisch 21412bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DMA_ADC); 21512bb5b78SClemens Ladisch reg &= AD_DMA_IM_DIS; 21612bb5b78SClemens Ladisch reg &= ~AD_DMA_LOOP; 21712bb5b78SClemens Ladisch ad1889_writew(chip, AD_DMA_ADC, reg); 21812bb5b78SClemens Ladisch 21912bb5b78SClemens Ladisch ad1889_load_adc_buffer_address(chip, 0x0); 22012bb5b78SClemens Ladisch ad1889_load_adc_buffer_count(chip, 0x0); 22112bb5b78SClemens Ladisch ad1889_load_adc_interrupt_count(chip, 0x0); 22212bb5b78SClemens Ladisch 22312bb5b78SClemens Ladisch /* flush */ 22412bb5b78SClemens Ladisch ad1889_readw(chip, AD_DMA_ADC); 22512bb5b78SClemens Ladisch } 22612bb5b78SClemens Ladisch } 22712bb5b78SClemens Ladisch 228f40b6890STakashi Iwai static u16 22902c2de69STakashi Iwai snd_ad1889_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 23012bb5b78SClemens Ladisch { 23112bb5b78SClemens Ladisch struct snd_ad1889 *chip = ac97->private_data; 23212bb5b78SClemens Ladisch return ad1889_readw(chip, AD_AC97_BASE + reg); 23312bb5b78SClemens Ladisch } 23412bb5b78SClemens Ladisch 235f40b6890STakashi Iwai static void 23602c2de69STakashi Iwai snd_ad1889_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) 23712bb5b78SClemens Ladisch { 23812bb5b78SClemens Ladisch struct snd_ad1889 *chip = ac97->private_data; 23912bb5b78SClemens Ladisch ad1889_writew(chip, AD_AC97_BASE + reg, val); 24012bb5b78SClemens Ladisch } 24112bb5b78SClemens Ladisch 24212bb5b78SClemens Ladisch static int 24312bb5b78SClemens Ladisch snd_ad1889_ac97_ready(struct snd_ad1889 *chip) 24412bb5b78SClemens Ladisch { 24512bb5b78SClemens Ladisch int retry = 400; /* average needs 352 msec */ 24612bb5b78SClemens Ladisch 24712bb5b78SClemens Ladisch while (!(ad1889_readw(chip, AD_AC97_ACIC) & AD_AC97_ACIC_ACRDY) 24812bb5b78SClemens Ladisch && --retry) 2491fa350b6SJia-Ju Bai usleep_range(1000, 2000); 25012bb5b78SClemens Ladisch if (!retry) { 25129633004STakashi Iwai dev_err(chip->card->dev, "[%s] Link is not ready.\n", 2529bf8e7ddSHarvey Harrison __func__); 25312bb5b78SClemens Ladisch return -EIO; 25412bb5b78SClemens Ladisch } 25529633004STakashi Iwai dev_dbg(chip->card->dev, "[%s] ready after %d ms\n", __func__, 400 - retry); 25612bb5b78SClemens Ladisch 25712bb5b78SClemens Ladisch return 0; 25812bb5b78SClemens Ladisch } 25912bb5b78SClemens Ladisch 260dee49895SBhumika Goyal static const struct snd_pcm_hardware snd_ad1889_playback_hw = { 26112bb5b78SClemens Ladisch .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 26212bb5b78SClemens Ladisch SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BLOCK_TRANSFER, 26312bb5b78SClemens Ladisch .formats = SNDRV_PCM_FMTBIT_S16_LE, 26412bb5b78SClemens Ladisch .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 26512bb5b78SClemens Ladisch .rate_min = 8000, /* docs say 7000, but we're lazy */ 26612bb5b78SClemens Ladisch .rate_max = 48000, 26712bb5b78SClemens Ladisch .channels_min = 1, 26812bb5b78SClemens Ladisch .channels_max = 2, 26912bb5b78SClemens Ladisch .buffer_bytes_max = BUFFER_BYTES_MAX, 27012bb5b78SClemens Ladisch .period_bytes_min = PERIOD_BYTES_MIN, 27112bb5b78SClemens Ladisch .period_bytes_max = PERIOD_BYTES_MAX, 27212bb5b78SClemens Ladisch .periods_min = PERIODS_MIN, 27312bb5b78SClemens Ladisch .periods_max = PERIODS_MAX, 27412bb5b78SClemens Ladisch /*.fifo_size = 0,*/ 27512bb5b78SClemens Ladisch }; 27612bb5b78SClemens Ladisch 277dee49895SBhumika Goyal static const struct snd_pcm_hardware snd_ad1889_capture_hw = { 27812bb5b78SClemens Ladisch .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 27912bb5b78SClemens Ladisch SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BLOCK_TRANSFER, 28012bb5b78SClemens Ladisch .formats = SNDRV_PCM_FMTBIT_S16_LE, 28112bb5b78SClemens Ladisch .rates = SNDRV_PCM_RATE_48000, 28212bb5b78SClemens Ladisch .rate_min = 48000, /* docs say we could to VSR, but we're lazy */ 28312bb5b78SClemens Ladisch .rate_max = 48000, 28412bb5b78SClemens Ladisch .channels_min = 1, 28512bb5b78SClemens Ladisch .channels_max = 2, 28612bb5b78SClemens Ladisch .buffer_bytes_max = BUFFER_BYTES_MAX, 28712bb5b78SClemens Ladisch .period_bytes_min = PERIOD_BYTES_MIN, 28812bb5b78SClemens Ladisch .period_bytes_max = PERIOD_BYTES_MAX, 28912bb5b78SClemens Ladisch .periods_min = PERIODS_MIN, 29012bb5b78SClemens Ladisch .periods_max = PERIODS_MAX, 29112bb5b78SClemens Ladisch /*.fifo_size = 0,*/ 29212bb5b78SClemens Ladisch }; 29312bb5b78SClemens Ladisch 29412bb5b78SClemens Ladisch static int 29502c2de69STakashi Iwai snd_ad1889_playback_open(struct snd_pcm_substream *ss) 29612bb5b78SClemens Ladisch { 29712bb5b78SClemens Ladisch struct snd_ad1889 *chip = snd_pcm_substream_chip(ss); 29802c2de69STakashi Iwai struct snd_pcm_runtime *rt = ss->runtime; 29912bb5b78SClemens Ladisch 30012bb5b78SClemens Ladisch chip->psubs = ss; 30112bb5b78SClemens Ladisch rt->hw = snd_ad1889_playback_hw; 30212bb5b78SClemens Ladisch 30312bb5b78SClemens Ladisch return 0; 30412bb5b78SClemens Ladisch } 30512bb5b78SClemens Ladisch 30612bb5b78SClemens Ladisch static int 30702c2de69STakashi Iwai snd_ad1889_capture_open(struct snd_pcm_substream *ss) 30812bb5b78SClemens Ladisch { 30912bb5b78SClemens Ladisch struct snd_ad1889 *chip = snd_pcm_substream_chip(ss); 31002c2de69STakashi Iwai struct snd_pcm_runtime *rt = ss->runtime; 31112bb5b78SClemens Ladisch 31212bb5b78SClemens Ladisch chip->csubs = ss; 31312bb5b78SClemens Ladisch rt->hw = snd_ad1889_capture_hw; 31412bb5b78SClemens Ladisch 31512bb5b78SClemens Ladisch return 0; 31612bb5b78SClemens Ladisch } 31712bb5b78SClemens Ladisch 31812bb5b78SClemens Ladisch static int 31902c2de69STakashi Iwai snd_ad1889_playback_close(struct snd_pcm_substream *ss) 32012bb5b78SClemens Ladisch { 32112bb5b78SClemens Ladisch struct snd_ad1889 *chip = snd_pcm_substream_chip(ss); 32212bb5b78SClemens Ladisch chip->psubs = NULL; 32312bb5b78SClemens Ladisch return 0; 32412bb5b78SClemens Ladisch } 32512bb5b78SClemens Ladisch 32612bb5b78SClemens Ladisch static int 32702c2de69STakashi Iwai snd_ad1889_capture_close(struct snd_pcm_substream *ss) 32812bb5b78SClemens Ladisch { 32912bb5b78SClemens Ladisch struct snd_ad1889 *chip = snd_pcm_substream_chip(ss); 33012bb5b78SClemens Ladisch chip->csubs = NULL; 33112bb5b78SClemens Ladisch return 0; 33212bb5b78SClemens Ladisch } 33312bb5b78SClemens Ladisch 33412bb5b78SClemens Ladisch static int 33502c2de69STakashi Iwai snd_ad1889_playback_prepare(struct snd_pcm_substream *ss) 33612bb5b78SClemens Ladisch { 33712bb5b78SClemens Ladisch struct snd_ad1889 *chip = snd_pcm_substream_chip(ss); 33802c2de69STakashi Iwai struct snd_pcm_runtime *rt = ss->runtime; 33912bb5b78SClemens Ladisch unsigned int size = snd_pcm_lib_buffer_bytes(ss); 34012bb5b78SClemens Ladisch unsigned int count = snd_pcm_lib_period_bytes(ss); 34112bb5b78SClemens Ladisch u16 reg; 34212bb5b78SClemens Ladisch 34312bb5b78SClemens Ladisch ad1889_channel_reset(chip, AD_CHAN_WAV); 34412bb5b78SClemens Ladisch 34512bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DS_WSMC); 34612bb5b78SClemens Ladisch 34712bb5b78SClemens Ladisch /* Mask out 16-bit / Stereo */ 34812bb5b78SClemens Ladisch reg &= ~(AD_DS_WSMC_WA16 | AD_DS_WSMC_WAST); 34912bb5b78SClemens Ladisch 35012bb5b78SClemens Ladisch if (snd_pcm_format_width(rt->format) == 16) 35112bb5b78SClemens Ladisch reg |= AD_DS_WSMC_WA16; 35212bb5b78SClemens Ladisch 35312bb5b78SClemens Ladisch if (rt->channels > 1) 35412bb5b78SClemens Ladisch reg |= AD_DS_WSMC_WAST; 35512bb5b78SClemens Ladisch 35612bb5b78SClemens Ladisch /* let's make sure we don't clobber ourselves */ 35712bb5b78SClemens Ladisch spin_lock_irq(&chip->lock); 35812bb5b78SClemens Ladisch 35912bb5b78SClemens Ladisch chip->wave.size = size; 36012bb5b78SClemens Ladisch chip->wave.reg = reg; 36112bb5b78SClemens Ladisch chip->wave.addr = rt->dma_addr; 36212bb5b78SClemens Ladisch 36312bb5b78SClemens Ladisch ad1889_writew(chip, AD_DS_WSMC, chip->wave.reg); 36412bb5b78SClemens Ladisch 36512bb5b78SClemens Ladisch /* Set sample rates on the codec */ 36612bb5b78SClemens Ladisch ad1889_writew(chip, AD_DS_WAS, rt->rate); 36712bb5b78SClemens Ladisch 36812bb5b78SClemens Ladisch /* Set up DMA */ 36912bb5b78SClemens Ladisch ad1889_load_wave_buffer_address(chip, chip->wave.addr); 37012bb5b78SClemens Ladisch ad1889_load_wave_buffer_count(chip, size); 37112bb5b78SClemens Ladisch ad1889_load_wave_interrupt_count(chip, count); 37212bb5b78SClemens Ladisch 37312bb5b78SClemens Ladisch /* writes flush */ 37412bb5b78SClemens Ladisch ad1889_readw(chip, AD_DS_WSMC); 37512bb5b78SClemens Ladisch 37612bb5b78SClemens Ladisch spin_unlock_irq(&chip->lock); 37712bb5b78SClemens Ladisch 37829633004STakashi Iwai dev_dbg(chip->card->dev, 37929633004STakashi Iwai "prepare playback: addr = 0x%x, count = %u, size = %u, reg = 0x%x, rate = %u\n", 38029633004STakashi Iwai chip->wave.addr, count, size, reg, rt->rate); 38112bb5b78SClemens Ladisch return 0; 38212bb5b78SClemens Ladisch } 38312bb5b78SClemens Ladisch 38412bb5b78SClemens Ladisch static int 38502c2de69STakashi Iwai snd_ad1889_capture_prepare(struct snd_pcm_substream *ss) 38612bb5b78SClemens Ladisch { 38712bb5b78SClemens Ladisch struct snd_ad1889 *chip = snd_pcm_substream_chip(ss); 38802c2de69STakashi Iwai struct snd_pcm_runtime *rt = ss->runtime; 38912bb5b78SClemens Ladisch unsigned int size = snd_pcm_lib_buffer_bytes(ss); 39012bb5b78SClemens Ladisch unsigned int count = snd_pcm_lib_period_bytes(ss); 39112bb5b78SClemens Ladisch u16 reg; 39212bb5b78SClemens Ladisch 39312bb5b78SClemens Ladisch ad1889_channel_reset(chip, AD_CHAN_ADC); 39412bb5b78SClemens Ladisch 39512bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DS_RAMC); 39612bb5b78SClemens Ladisch 39712bb5b78SClemens Ladisch /* Mask out 16-bit / Stereo */ 39812bb5b78SClemens Ladisch reg &= ~(AD_DS_RAMC_AD16 | AD_DS_RAMC_ADST); 39912bb5b78SClemens Ladisch 40012bb5b78SClemens Ladisch if (snd_pcm_format_width(rt->format) == 16) 40112bb5b78SClemens Ladisch reg |= AD_DS_RAMC_AD16; 40212bb5b78SClemens Ladisch 40312bb5b78SClemens Ladisch if (rt->channels > 1) 40412bb5b78SClemens Ladisch reg |= AD_DS_RAMC_ADST; 40512bb5b78SClemens Ladisch 40612bb5b78SClemens Ladisch /* let's make sure we don't clobber ourselves */ 40712bb5b78SClemens Ladisch spin_lock_irq(&chip->lock); 40812bb5b78SClemens Ladisch 40912bb5b78SClemens Ladisch chip->ramc.size = size; 41012bb5b78SClemens Ladisch chip->ramc.reg = reg; 41112bb5b78SClemens Ladisch chip->ramc.addr = rt->dma_addr; 41212bb5b78SClemens Ladisch 41312bb5b78SClemens Ladisch ad1889_writew(chip, AD_DS_RAMC, chip->ramc.reg); 41412bb5b78SClemens Ladisch 41512bb5b78SClemens Ladisch /* Set up DMA */ 41612bb5b78SClemens Ladisch ad1889_load_adc_buffer_address(chip, chip->ramc.addr); 41712bb5b78SClemens Ladisch ad1889_load_adc_buffer_count(chip, size); 41812bb5b78SClemens Ladisch ad1889_load_adc_interrupt_count(chip, count); 41912bb5b78SClemens Ladisch 42012bb5b78SClemens Ladisch /* writes flush */ 42112bb5b78SClemens Ladisch ad1889_readw(chip, AD_DS_RAMC); 42212bb5b78SClemens Ladisch 42312bb5b78SClemens Ladisch spin_unlock_irq(&chip->lock); 42412bb5b78SClemens Ladisch 42529633004STakashi Iwai dev_dbg(chip->card->dev, 42629633004STakashi Iwai "prepare capture: addr = 0x%x, count = %u, size = %u, reg = 0x%x, rate = %u\n", 42729633004STakashi Iwai chip->ramc.addr, count, size, reg, rt->rate); 42812bb5b78SClemens Ladisch return 0; 42912bb5b78SClemens Ladisch } 43012bb5b78SClemens Ladisch 43112bb5b78SClemens Ladisch /* this is called in atomic context with IRQ disabled. 43212bb5b78SClemens Ladisch Must be as fast as possible and not sleep. 43312bb5b78SClemens Ladisch DMA should be *triggered* by this call. 43412bb5b78SClemens Ladisch The WSMC "WAEN" bit triggers DMA Wave On/Off */ 43512bb5b78SClemens Ladisch static int 43602c2de69STakashi Iwai snd_ad1889_playback_trigger(struct snd_pcm_substream *ss, int cmd) 43712bb5b78SClemens Ladisch { 43812bb5b78SClemens Ladisch u16 wsmc; 43912bb5b78SClemens Ladisch struct snd_ad1889 *chip = snd_pcm_substream_chip(ss); 44012bb5b78SClemens Ladisch 44112bb5b78SClemens Ladisch wsmc = ad1889_readw(chip, AD_DS_WSMC); 44212bb5b78SClemens Ladisch 44312bb5b78SClemens Ladisch switch (cmd) { 44412bb5b78SClemens Ladisch case SNDRV_PCM_TRIGGER_START: 44512bb5b78SClemens Ladisch /* enable DMA loop & interrupts */ 44612bb5b78SClemens Ladisch ad1889_writew(chip, AD_DMA_WAV, AD_DMA_LOOP | AD_DMA_IM_CNT); 44712bb5b78SClemens Ladisch wsmc |= AD_DS_WSMC_WAEN; 44812bb5b78SClemens Ladisch /* 1 to clear CHSS bit */ 44912bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_CHSS, AD_DMA_CHSS_WAVS); 45012bb5b78SClemens Ladisch ad1889_unmute(chip); 45112bb5b78SClemens Ladisch break; 45212bb5b78SClemens Ladisch case SNDRV_PCM_TRIGGER_STOP: 45312bb5b78SClemens Ladisch ad1889_mute(chip); 45412bb5b78SClemens Ladisch wsmc &= ~AD_DS_WSMC_WAEN; 45512bb5b78SClemens Ladisch break; 45612bb5b78SClemens Ladisch default: 45712bb5b78SClemens Ladisch snd_BUG(); 45812bb5b78SClemens Ladisch return -EINVAL; 45912bb5b78SClemens Ladisch } 46012bb5b78SClemens Ladisch 46112bb5b78SClemens Ladisch chip->wave.reg = wsmc; 46212bb5b78SClemens Ladisch ad1889_writew(chip, AD_DS_WSMC, wsmc); 46312bb5b78SClemens Ladisch ad1889_readw(chip, AD_DS_WSMC); /* flush */ 46412bb5b78SClemens Ladisch 46512bb5b78SClemens Ladisch /* reset the chip when STOP - will disable IRQs */ 46612bb5b78SClemens Ladisch if (cmd == SNDRV_PCM_TRIGGER_STOP) 46712bb5b78SClemens Ladisch ad1889_channel_reset(chip, AD_CHAN_WAV); 46812bb5b78SClemens Ladisch 46912bb5b78SClemens Ladisch return 0; 47012bb5b78SClemens Ladisch } 47112bb5b78SClemens Ladisch 47212bb5b78SClemens Ladisch /* this is called in atomic context with IRQ disabled. 47312bb5b78SClemens Ladisch Must be as fast as possible and not sleep. 47412bb5b78SClemens Ladisch DMA should be *triggered* by this call. 47512bb5b78SClemens Ladisch The RAMC "ADEN" bit triggers DMA ADC On/Off */ 47612bb5b78SClemens Ladisch static int 47702c2de69STakashi Iwai snd_ad1889_capture_trigger(struct snd_pcm_substream *ss, int cmd) 47812bb5b78SClemens Ladisch { 47912bb5b78SClemens Ladisch u16 ramc; 48012bb5b78SClemens Ladisch struct snd_ad1889 *chip = snd_pcm_substream_chip(ss); 48112bb5b78SClemens Ladisch 48212bb5b78SClemens Ladisch ramc = ad1889_readw(chip, AD_DS_RAMC); 48312bb5b78SClemens Ladisch 48412bb5b78SClemens Ladisch switch (cmd) { 48512bb5b78SClemens Ladisch case SNDRV_PCM_TRIGGER_START: 48612bb5b78SClemens Ladisch /* enable DMA loop & interrupts */ 48712bb5b78SClemens Ladisch ad1889_writew(chip, AD_DMA_ADC, AD_DMA_LOOP | AD_DMA_IM_CNT); 48812bb5b78SClemens Ladisch ramc |= AD_DS_RAMC_ADEN; 48912bb5b78SClemens Ladisch /* 1 to clear CHSS bit */ 49012bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_CHSS, AD_DMA_CHSS_ADCS); 49112bb5b78SClemens Ladisch break; 49212bb5b78SClemens Ladisch case SNDRV_PCM_TRIGGER_STOP: 49312bb5b78SClemens Ladisch ramc &= ~AD_DS_RAMC_ADEN; 49412bb5b78SClemens Ladisch break; 49512bb5b78SClemens Ladisch default: 49612bb5b78SClemens Ladisch return -EINVAL; 49712bb5b78SClemens Ladisch } 49812bb5b78SClemens Ladisch 49912bb5b78SClemens Ladisch chip->ramc.reg = ramc; 50012bb5b78SClemens Ladisch ad1889_writew(chip, AD_DS_RAMC, ramc); 50112bb5b78SClemens Ladisch ad1889_readw(chip, AD_DS_RAMC); /* flush */ 50212bb5b78SClemens Ladisch 50312bb5b78SClemens Ladisch /* reset the chip when STOP - will disable IRQs */ 50412bb5b78SClemens Ladisch if (cmd == SNDRV_PCM_TRIGGER_STOP) 50512bb5b78SClemens Ladisch ad1889_channel_reset(chip, AD_CHAN_ADC); 50612bb5b78SClemens Ladisch 50712bb5b78SClemens Ladisch return 0; 50812bb5b78SClemens Ladisch } 50912bb5b78SClemens Ladisch 51012bb5b78SClemens Ladisch /* Called in atomic context with IRQ disabled */ 51112bb5b78SClemens Ladisch static snd_pcm_uframes_t 51202c2de69STakashi Iwai snd_ad1889_playback_pointer(struct snd_pcm_substream *ss) 51312bb5b78SClemens Ladisch { 51412bb5b78SClemens Ladisch size_t ptr = 0; 51512bb5b78SClemens Ladisch struct snd_ad1889 *chip = snd_pcm_substream_chip(ss); 51612bb5b78SClemens Ladisch 51712bb5b78SClemens Ladisch if (unlikely(!(chip->wave.reg & AD_DS_WSMC_WAEN))) 51812bb5b78SClemens Ladisch return 0; 51912bb5b78SClemens Ladisch 52012bb5b78SClemens Ladisch ptr = ad1889_readl(chip, AD_DMA_WAVCA); 52112bb5b78SClemens Ladisch ptr -= chip->wave.addr; 52212bb5b78SClemens Ladisch 523da3cec35STakashi Iwai if (snd_BUG_ON(ptr >= chip->wave.size)) 524da3cec35STakashi Iwai return 0; 52512bb5b78SClemens Ladisch 52612bb5b78SClemens Ladisch return bytes_to_frames(ss->runtime, ptr); 52712bb5b78SClemens Ladisch } 52812bb5b78SClemens Ladisch 52912bb5b78SClemens Ladisch /* Called in atomic context with IRQ disabled */ 53012bb5b78SClemens Ladisch static snd_pcm_uframes_t 53102c2de69STakashi Iwai snd_ad1889_capture_pointer(struct snd_pcm_substream *ss) 53212bb5b78SClemens Ladisch { 53312bb5b78SClemens Ladisch size_t ptr = 0; 53412bb5b78SClemens Ladisch struct snd_ad1889 *chip = snd_pcm_substream_chip(ss); 53512bb5b78SClemens Ladisch 53612bb5b78SClemens Ladisch if (unlikely(!(chip->ramc.reg & AD_DS_RAMC_ADEN))) 53712bb5b78SClemens Ladisch return 0; 53812bb5b78SClemens Ladisch 53912bb5b78SClemens Ladisch ptr = ad1889_readl(chip, AD_DMA_ADCCA); 54012bb5b78SClemens Ladisch ptr -= chip->ramc.addr; 54112bb5b78SClemens Ladisch 542da3cec35STakashi Iwai if (snd_BUG_ON(ptr >= chip->ramc.size)) 543da3cec35STakashi Iwai return 0; 54412bb5b78SClemens Ladisch 54512bb5b78SClemens Ladisch return bytes_to_frames(ss->runtime, ptr); 54612bb5b78SClemens Ladisch } 54712bb5b78SClemens Ladisch 548d602efcaSJulia Lawall static const struct snd_pcm_ops snd_ad1889_playback_ops = { 54912bb5b78SClemens Ladisch .open = snd_ad1889_playback_open, 55012bb5b78SClemens Ladisch .close = snd_ad1889_playback_close, 55112bb5b78SClemens Ladisch .ioctl = snd_pcm_lib_ioctl, 55212bb5b78SClemens Ladisch .prepare = snd_ad1889_playback_prepare, 55312bb5b78SClemens Ladisch .trigger = snd_ad1889_playback_trigger, 55412bb5b78SClemens Ladisch .pointer = snd_ad1889_playback_pointer, 55512bb5b78SClemens Ladisch }; 55612bb5b78SClemens Ladisch 557d602efcaSJulia Lawall static const struct snd_pcm_ops snd_ad1889_capture_ops = { 55812bb5b78SClemens Ladisch .open = snd_ad1889_capture_open, 55912bb5b78SClemens Ladisch .close = snd_ad1889_capture_close, 56012bb5b78SClemens Ladisch .ioctl = snd_pcm_lib_ioctl, 56112bb5b78SClemens Ladisch .prepare = snd_ad1889_capture_prepare, 56212bb5b78SClemens Ladisch .trigger = snd_ad1889_capture_trigger, 56312bb5b78SClemens Ladisch .pointer = snd_ad1889_capture_pointer, 56412bb5b78SClemens Ladisch }; 56512bb5b78SClemens Ladisch 56612bb5b78SClemens Ladisch static irqreturn_t 5677d12e780SDavid Howells snd_ad1889_interrupt(int irq, void *dev_id) 56812bb5b78SClemens Ladisch { 56912bb5b78SClemens Ladisch unsigned long st; 57012bb5b78SClemens Ladisch struct snd_ad1889 *chip = dev_id; 57112bb5b78SClemens Ladisch 57212bb5b78SClemens Ladisch st = ad1889_readl(chip, AD_DMA_DISR); 57312bb5b78SClemens Ladisch 57412bb5b78SClemens Ladisch /* clear ISR */ 57512bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_DISR, st); 57612bb5b78SClemens Ladisch 57712bb5b78SClemens Ladisch st &= AD_INTR_MASK; 57812bb5b78SClemens Ladisch 57912bb5b78SClemens Ladisch if (unlikely(!st)) 58012bb5b78SClemens Ladisch return IRQ_NONE; 58112bb5b78SClemens Ladisch 58212bb5b78SClemens Ladisch if (st & (AD_DMA_DISR_PMAI|AD_DMA_DISR_PTAI)) 58329633004STakashi Iwai dev_dbg(chip->card->dev, 58429633004STakashi Iwai "Unexpected master or target abort interrupt!\n"); 58512bb5b78SClemens Ladisch 58612bb5b78SClemens Ladisch if ((st & AD_DMA_DISR_WAVI) && chip->psubs) 58712bb5b78SClemens Ladisch snd_pcm_period_elapsed(chip->psubs); 58812bb5b78SClemens Ladisch if ((st & AD_DMA_DISR_ADCI) && chip->csubs) 58912bb5b78SClemens Ladisch snd_pcm_period_elapsed(chip->csubs); 59012bb5b78SClemens Ladisch 59112bb5b78SClemens Ladisch return IRQ_HANDLED; 59212bb5b78SClemens Ladisch } 59312bb5b78SClemens Ladisch 5942f5c1302SBill Pemberton static int 595a0880094SLars-Peter Clausen snd_ad1889_pcm_init(struct snd_ad1889 *chip, int device) 59612bb5b78SClemens Ladisch { 59712bb5b78SClemens Ladisch int err; 59802c2de69STakashi Iwai struct snd_pcm *pcm; 59912bb5b78SClemens Ladisch 60012bb5b78SClemens Ladisch err = snd_pcm_new(chip->card, chip->card->driver, device, 1, 1, &pcm); 60112bb5b78SClemens Ladisch if (err < 0) 60212bb5b78SClemens Ladisch return err; 60312bb5b78SClemens Ladisch 60412bb5b78SClemens Ladisch snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, 60512bb5b78SClemens Ladisch &snd_ad1889_playback_ops); 60612bb5b78SClemens Ladisch snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, 60712bb5b78SClemens Ladisch &snd_ad1889_capture_ops); 60812bb5b78SClemens Ladisch 60912bb5b78SClemens Ladisch pcm->private_data = chip; 61012bb5b78SClemens Ladisch pcm->info_flags = 0; 61112bb5b78SClemens Ladisch strcpy(pcm->name, chip->card->shortname); 61212bb5b78SClemens Ladisch 61312bb5b78SClemens Ladisch chip->pcm = pcm; 61412bb5b78SClemens Ladisch chip->psubs = NULL; 61512bb5b78SClemens Ladisch chip->csubs = NULL; 61612bb5b78SClemens Ladisch 61793d6487fSTakashi Iwai snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &chip->pci->dev, 61893d6487fSTakashi Iwai BUFFER_BYTES_MAX / 2, BUFFER_BYTES_MAX); 61912bb5b78SClemens Ladisch 62012bb5b78SClemens Ladisch return 0; 62112bb5b78SClemens Ladisch } 62212bb5b78SClemens Ladisch 62312bb5b78SClemens Ladisch static void 62402c2de69STakashi Iwai snd_ad1889_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 62512bb5b78SClemens Ladisch { 62612bb5b78SClemens Ladisch struct snd_ad1889 *chip = entry->private_data; 62712bb5b78SClemens Ladisch u16 reg; 62812bb5b78SClemens Ladisch int tmp; 62912bb5b78SClemens Ladisch 63012bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DS_WSMC); 63112bb5b78SClemens Ladisch snd_iprintf(buffer, "Wave output: %s\n", 63212bb5b78SClemens Ladisch (reg & AD_DS_WSMC_WAEN) ? "enabled" : "disabled"); 63312bb5b78SClemens Ladisch snd_iprintf(buffer, "Wave Channels: %s\n", 63412bb5b78SClemens Ladisch (reg & AD_DS_WSMC_WAST) ? "stereo" : "mono"); 63512bb5b78SClemens Ladisch snd_iprintf(buffer, "Wave Quality: %d-bit linear\n", 63612bb5b78SClemens Ladisch (reg & AD_DS_WSMC_WA16) ? 16 : 8); 63712bb5b78SClemens Ladisch 63812bb5b78SClemens Ladisch /* WARQ is at offset 12 */ 63912bb5b78SClemens Ladisch tmp = (reg & AD_DS_WSMC_WARQ) ? 640ccbec5eaSJoe Perches ((((reg & AD_DS_WSMC_WARQ) >> 12) & 0x01) ? 12 : 18) : 4; 64112bb5b78SClemens Ladisch tmp /= (reg & AD_DS_WSMC_WAST) ? 2 : 1; 64212bb5b78SClemens Ladisch 64312bb5b78SClemens Ladisch snd_iprintf(buffer, "Wave FIFO: %d %s words\n\n", tmp, 64412bb5b78SClemens Ladisch (reg & AD_DS_WSMC_WAST) ? "stereo" : "mono"); 64512bb5b78SClemens Ladisch 64612bb5b78SClemens Ladisch 64712bb5b78SClemens Ladisch snd_iprintf(buffer, "Synthesis output: %s\n", 64812bb5b78SClemens Ladisch reg & AD_DS_WSMC_SYEN ? "enabled" : "disabled"); 64912bb5b78SClemens Ladisch 65012bb5b78SClemens Ladisch /* SYRQ is at offset 4 */ 65112bb5b78SClemens Ladisch tmp = (reg & AD_DS_WSMC_SYRQ) ? 652ccbec5eaSJoe Perches ((((reg & AD_DS_WSMC_SYRQ) >> 4) & 0x01) ? 12 : 18) : 4; 65312bb5b78SClemens Ladisch tmp /= (reg & AD_DS_WSMC_WAST) ? 2 : 1; 65412bb5b78SClemens Ladisch 65512bb5b78SClemens Ladisch snd_iprintf(buffer, "Synthesis FIFO: %d %s words\n\n", tmp, 65612bb5b78SClemens Ladisch (reg & AD_DS_WSMC_WAST) ? "stereo" : "mono"); 65712bb5b78SClemens Ladisch 65812bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DS_RAMC); 65912bb5b78SClemens Ladisch snd_iprintf(buffer, "ADC input: %s\n", 66012bb5b78SClemens Ladisch (reg & AD_DS_RAMC_ADEN) ? "enabled" : "disabled"); 66112bb5b78SClemens Ladisch snd_iprintf(buffer, "ADC Channels: %s\n", 66212bb5b78SClemens Ladisch (reg & AD_DS_RAMC_ADST) ? "stereo" : "mono"); 66312bb5b78SClemens Ladisch snd_iprintf(buffer, "ADC Quality: %d-bit linear\n", 66412bb5b78SClemens Ladisch (reg & AD_DS_RAMC_AD16) ? 16 : 8); 66512bb5b78SClemens Ladisch 66612bb5b78SClemens Ladisch /* ACRQ is at offset 4 */ 66712bb5b78SClemens Ladisch tmp = (reg & AD_DS_RAMC_ACRQ) ? 668ccbec5eaSJoe Perches ((((reg & AD_DS_RAMC_ACRQ) >> 4) & 0x01) ? 12 : 18) : 4; 66912bb5b78SClemens Ladisch tmp /= (reg & AD_DS_RAMC_ADST) ? 2 : 1; 67012bb5b78SClemens Ladisch 67112bb5b78SClemens Ladisch snd_iprintf(buffer, "ADC FIFO: %d %s words\n\n", tmp, 67212bb5b78SClemens Ladisch (reg & AD_DS_RAMC_ADST) ? "stereo" : "mono"); 67312bb5b78SClemens Ladisch 67412bb5b78SClemens Ladisch snd_iprintf(buffer, "Resampler input: %s\n", 67512bb5b78SClemens Ladisch reg & AD_DS_RAMC_REEN ? "enabled" : "disabled"); 67612bb5b78SClemens Ladisch 67712bb5b78SClemens Ladisch /* RERQ is at offset 12 */ 67812bb5b78SClemens Ladisch tmp = (reg & AD_DS_RAMC_RERQ) ? 679ccbec5eaSJoe Perches ((((reg & AD_DS_RAMC_RERQ) >> 12) & 0x01) ? 12 : 18) : 4; 68012bb5b78SClemens Ladisch tmp /= (reg & AD_DS_RAMC_ADST) ? 2 : 1; 68112bb5b78SClemens Ladisch 68212bb5b78SClemens Ladisch snd_iprintf(buffer, "Resampler FIFO: %d %s words\n\n", tmp, 68312bb5b78SClemens Ladisch (reg & AD_DS_WSMC_WAST) ? "stereo" : "mono"); 68412bb5b78SClemens Ladisch 68512bb5b78SClemens Ladisch 68612bb5b78SClemens Ladisch /* doc says LSB represents -1.5dB, but the max value (-94.5dB) 68712bb5b78SClemens Ladisch suggests that LSB is -3dB, which is more coherent with the logarithmic 68812bb5b78SClemens Ladisch nature of the dB scale */ 68912bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DS_WADA); 69012bb5b78SClemens Ladisch snd_iprintf(buffer, "Left: %s, -%d dB\n", 69112bb5b78SClemens Ladisch (reg & AD_DS_WADA_LWAM) ? "mute" : "unmute", 69212bb5b78SClemens Ladisch ((reg & AD_DS_WADA_LWAA) >> 8) * 3); 69312bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DS_WADA); 69412bb5b78SClemens Ladisch snd_iprintf(buffer, "Right: %s, -%d dB\n", 69512bb5b78SClemens Ladisch (reg & AD_DS_WADA_RWAM) ? "mute" : "unmute", 6969bd0f5c0STakashi Iwai (reg & AD_DS_WADA_RWAA) * 3); 69712bb5b78SClemens Ladisch 69812bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DS_WAS); 69912bb5b78SClemens Ladisch snd_iprintf(buffer, "Wave samplerate: %u Hz\n", reg); 70012bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_DS_RES); 70112bb5b78SClemens Ladisch snd_iprintf(buffer, "Resampler samplerate: %u Hz\n", reg); 70212bb5b78SClemens Ladisch } 70312bb5b78SClemens Ladisch 7042f5c1302SBill Pemberton static void 70512bb5b78SClemens Ladisch snd_ad1889_proc_init(struct snd_ad1889 *chip) 70612bb5b78SClemens Ladisch { 70747f2769bSTakashi Iwai snd_card_ro_proc_new(chip->card, chip->card->driver, 70847f2769bSTakashi Iwai chip, snd_ad1889_proc_read); 70912bb5b78SClemens Ladisch } 71012bb5b78SClemens Ladisch 711eab0fbfaSJoe Perches static const struct ac97_quirk ac97_quirks[] = { 71212bb5b78SClemens Ladisch { 71312bb5b78SClemens Ladisch .subvendor = 0x11d4, /* AD */ 71412bb5b78SClemens Ladisch .subdevice = 0x1889, /* AD1889 */ 71512bb5b78SClemens Ladisch .codec_id = AC97_ID_AD1819, 71612bb5b78SClemens Ladisch .name = "AD1889", 71712bb5b78SClemens Ladisch .type = AC97_TUNE_HP_ONLY 71812bb5b78SClemens Ladisch }, 71912bb5b78SClemens Ladisch { } /* terminator */ 72012bb5b78SClemens Ladisch }; 72112bb5b78SClemens Ladisch 7222f5c1302SBill Pemberton static void 72312bb5b78SClemens Ladisch snd_ad1889_ac97_xinit(struct snd_ad1889 *chip) 72412bb5b78SClemens Ladisch { 72512bb5b78SClemens Ladisch u16 reg; 72612bb5b78SClemens Ladisch 72712bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_AC97_ACIC); 72812bb5b78SClemens Ladisch reg |= AD_AC97_ACIC_ACRD; /* Reset Disable */ 72912bb5b78SClemens Ladisch ad1889_writew(chip, AD_AC97_ACIC, reg); 73012bb5b78SClemens Ladisch ad1889_readw(chip, AD_AC97_ACIC); /* flush posted write */ 73112bb5b78SClemens Ladisch udelay(10); 73212bb5b78SClemens Ladisch /* Interface Enable */ 73312bb5b78SClemens Ladisch reg |= AD_AC97_ACIC_ACIE; 73412bb5b78SClemens Ladisch ad1889_writew(chip, AD_AC97_ACIC, reg); 73512bb5b78SClemens Ladisch 73612bb5b78SClemens Ladisch snd_ad1889_ac97_ready(chip); 73712bb5b78SClemens Ladisch 73812bb5b78SClemens Ladisch /* Audio Stream Output | Variable Sample Rate Mode */ 73912bb5b78SClemens Ladisch reg = ad1889_readw(chip, AD_AC97_ACIC); 74012bb5b78SClemens Ladisch reg |= AD_AC97_ACIC_ASOE | AD_AC97_ACIC_VSRM; 74112bb5b78SClemens Ladisch ad1889_writew(chip, AD_AC97_ACIC, reg); 74212bb5b78SClemens Ladisch ad1889_readw(chip, AD_AC97_ACIC); /* flush posted write */ 74312bb5b78SClemens Ladisch 74412bb5b78SClemens Ladisch } 74512bb5b78SClemens Ladisch 74612bb5b78SClemens Ladisch static void 74702c2de69STakashi Iwai snd_ad1889_ac97_bus_free(struct snd_ac97_bus *bus) 74812bb5b78SClemens Ladisch { 74912bb5b78SClemens Ladisch struct snd_ad1889 *chip = bus->private_data; 75012bb5b78SClemens Ladisch chip->ac97_bus = NULL; 75112bb5b78SClemens Ladisch } 75212bb5b78SClemens Ladisch 75312bb5b78SClemens Ladisch static void 75402c2de69STakashi Iwai snd_ad1889_ac97_free(struct snd_ac97 *ac97) 75512bb5b78SClemens Ladisch { 75612bb5b78SClemens Ladisch struct snd_ad1889 *chip = ac97->private_data; 75712bb5b78SClemens Ladisch chip->ac97 = NULL; 75812bb5b78SClemens Ladisch } 75912bb5b78SClemens Ladisch 7602f5c1302SBill Pemberton static int 76112bb5b78SClemens Ladisch snd_ad1889_ac97_init(struct snd_ad1889 *chip, const char *quirk_override) 76212bb5b78SClemens Ladisch { 76312bb5b78SClemens Ladisch int err; 76402c2de69STakashi Iwai struct snd_ac97_template ac97; 76502c2de69STakashi Iwai static struct snd_ac97_bus_ops ops = { 76612bb5b78SClemens Ladisch .write = snd_ad1889_ac97_write, 76712bb5b78SClemens Ladisch .read = snd_ad1889_ac97_read, 76812bb5b78SClemens Ladisch }; 76912bb5b78SClemens Ladisch 77012bb5b78SClemens Ladisch /* doing that here, it works. */ 77112bb5b78SClemens Ladisch snd_ad1889_ac97_xinit(chip); 77212bb5b78SClemens Ladisch 77312bb5b78SClemens Ladisch err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus); 77412bb5b78SClemens Ladisch if (err < 0) 77512bb5b78SClemens Ladisch return err; 77612bb5b78SClemens Ladisch 77712bb5b78SClemens Ladisch chip->ac97_bus->private_free = snd_ad1889_ac97_bus_free; 77812bb5b78SClemens Ladisch 77912bb5b78SClemens Ladisch memset(&ac97, 0, sizeof(ac97)); 78012bb5b78SClemens Ladisch ac97.private_data = chip; 78112bb5b78SClemens Ladisch ac97.private_free = snd_ad1889_ac97_free; 78212bb5b78SClemens Ladisch ac97.pci = chip->pci; 78312bb5b78SClemens Ladisch 78412bb5b78SClemens Ladisch err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97); 78512bb5b78SClemens Ladisch if (err < 0) 78612bb5b78SClemens Ladisch return err; 78712bb5b78SClemens Ladisch 78812bb5b78SClemens Ladisch snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 78912bb5b78SClemens Ladisch 79012bb5b78SClemens Ladisch return 0; 79112bb5b78SClemens Ladisch } 79212bb5b78SClemens Ladisch 79312bb5b78SClemens Ladisch static int 79412bb5b78SClemens Ladisch snd_ad1889_free(struct snd_ad1889 *chip) 79512bb5b78SClemens Ladisch { 79612bb5b78SClemens Ladisch if (chip->irq < 0) 79712bb5b78SClemens Ladisch goto skip_hw; 79812bb5b78SClemens Ladisch 79912bb5b78SClemens Ladisch spin_lock_irq(&chip->lock); 80012bb5b78SClemens Ladisch 80112bb5b78SClemens Ladisch ad1889_mute(chip); 80212bb5b78SClemens Ladisch 80312bb5b78SClemens Ladisch /* Turn off interrupt on count and zero DMA registers */ 80412bb5b78SClemens Ladisch ad1889_channel_reset(chip, AD_CHAN_WAV | AD_CHAN_ADC); 80512bb5b78SClemens Ladisch 80612bb5b78SClemens Ladisch /* clear DISR. If we don't, we'd better jump off the Eiffel Tower */ 80712bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_DISR, AD_DMA_DISR_PTAI | AD_DMA_DISR_PMAI); 80812bb5b78SClemens Ladisch ad1889_readl(chip, AD_DMA_DISR); /* flush, dammit! */ 80912bb5b78SClemens Ladisch 81012bb5b78SClemens Ladisch spin_unlock_irq(&chip->lock); 81112bb5b78SClemens Ladisch 81212bb5b78SClemens Ladisch if (chip->irq >= 0) 813437a5a46STakashi Iwai free_irq(chip->irq, chip); 81412bb5b78SClemens Ladisch 81512bb5b78SClemens Ladisch skip_hw: 81612bb5b78SClemens Ladisch iounmap(chip->iobase); 81712bb5b78SClemens Ladisch pci_release_regions(chip->pci); 81812bb5b78SClemens Ladisch pci_disable_device(chip->pci); 81912bb5b78SClemens Ladisch kfree(chip); 82012bb5b78SClemens Ladisch return 0; 82112bb5b78SClemens Ladisch } 82212bb5b78SClemens Ladisch 823f40b6890STakashi Iwai static int 82402c2de69STakashi Iwai snd_ad1889_dev_free(struct snd_device *device) 82512bb5b78SClemens Ladisch { 82612bb5b78SClemens Ladisch struct snd_ad1889 *chip = device->device_data; 82712bb5b78SClemens Ladisch return snd_ad1889_free(chip); 82812bb5b78SClemens Ladisch } 82912bb5b78SClemens Ladisch 8302f5c1302SBill Pemberton static int 83112bb5b78SClemens Ladisch snd_ad1889_init(struct snd_ad1889 *chip) 83212bb5b78SClemens Ladisch { 83312bb5b78SClemens Ladisch ad1889_writew(chip, AD_DS_CCS, AD_DS_CCS_CLKEN); /* turn on clock */ 83412bb5b78SClemens Ladisch ad1889_readw(chip, AD_DS_CCS); /* flush posted write */ 83512bb5b78SClemens Ladisch 836621fdf60SJia-Ju Bai usleep_range(10000, 11000); 83712bb5b78SClemens Ladisch 83812bb5b78SClemens Ladisch /* enable Master and Target abort interrupts */ 83912bb5b78SClemens Ladisch ad1889_writel(chip, AD_DMA_DISR, AD_DMA_DISR_PMAE | AD_DMA_DISR_PTAE); 84012bb5b78SClemens Ladisch 84112bb5b78SClemens Ladisch return 0; 84212bb5b78SClemens Ladisch } 84312bb5b78SClemens Ladisch 8442f5c1302SBill Pemberton static int 84502c2de69STakashi Iwai snd_ad1889_create(struct snd_card *card, 84612bb5b78SClemens Ladisch struct pci_dev *pci, 84712bb5b78SClemens Ladisch struct snd_ad1889 **rchip) 84812bb5b78SClemens Ladisch { 84912bb5b78SClemens Ladisch int err; 85012bb5b78SClemens Ladisch 85112bb5b78SClemens Ladisch struct snd_ad1889 *chip; 85202c2de69STakashi Iwai static struct snd_device_ops ops = { 85312bb5b78SClemens Ladisch .dev_free = snd_ad1889_dev_free, 85412bb5b78SClemens Ladisch }; 85512bb5b78SClemens Ladisch 85612bb5b78SClemens Ladisch *rchip = NULL; 85712bb5b78SClemens Ladisch 85812bb5b78SClemens Ladisch if ((err = pci_enable_device(pci)) < 0) 85912bb5b78SClemens Ladisch return err; 86012bb5b78SClemens Ladisch 86112bb5b78SClemens Ladisch /* check PCI availability (32bit DMA) */ 862412b979cSQuentin Lambert if (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0 || 863412b979cSQuentin Lambert dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) { 86429633004STakashi Iwai dev_err(card->dev, "error setting 32-bit DMA mask.\n"); 86512bb5b78SClemens Ladisch pci_disable_device(pci); 86612bb5b78SClemens Ladisch return -ENXIO; 86712bb5b78SClemens Ladisch } 86812bb5b78SClemens Ladisch 86912bb5b78SClemens Ladisch /* allocate chip specific data with zero-filled memory */ 870e560d8d8STakashi Iwai if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 87112bb5b78SClemens Ladisch pci_disable_device(pci); 87212bb5b78SClemens Ladisch return -ENOMEM; 87312bb5b78SClemens Ladisch } 87412bb5b78SClemens Ladisch 87512bb5b78SClemens Ladisch chip->card = card; 87612bb5b78SClemens Ladisch card->private_data = chip; 87712bb5b78SClemens Ladisch chip->pci = pci; 87812bb5b78SClemens Ladisch chip->irq = -1; 87912bb5b78SClemens Ladisch 88012bb5b78SClemens Ladisch /* (1) PCI resource allocation */ 88112bb5b78SClemens Ladisch if ((err = pci_request_regions(pci, card->driver)) < 0) 88212bb5b78SClemens Ladisch goto free_and_ret; 88312bb5b78SClemens Ladisch 88412bb5b78SClemens Ladisch chip->bar = pci_resource_start(pci, 0); 8852f5ad54eSArjan van de Ven chip->iobase = pci_ioremap_bar(pci, 0); 88612bb5b78SClemens Ladisch if (chip->iobase == NULL) { 88729633004STakashi Iwai dev_err(card->dev, "unable to reserve region.\n"); 88812bb5b78SClemens Ladisch err = -EBUSY; 88912bb5b78SClemens Ladisch goto free_and_ret; 89012bb5b78SClemens Ladisch } 89112bb5b78SClemens Ladisch 89212bb5b78SClemens Ladisch pci_set_master(pci); 89312bb5b78SClemens Ladisch 89412bb5b78SClemens Ladisch spin_lock_init(&chip->lock); /* only now can we call ad1889_free */ 89512bb5b78SClemens Ladisch 89612bb5b78SClemens Ladisch if (request_irq(pci->irq, snd_ad1889_interrupt, 897934c2b6dSTakashi Iwai IRQF_SHARED, KBUILD_MODNAME, chip)) { 89829633004STakashi Iwai dev_err(card->dev, "cannot obtain IRQ %d\n", pci->irq); 89912bb5b78SClemens Ladisch snd_ad1889_free(chip); 90012bb5b78SClemens Ladisch return -EBUSY; 90112bb5b78SClemens Ladisch } 90212bb5b78SClemens Ladisch 90312bb5b78SClemens Ladisch chip->irq = pci->irq; 90412bb5b78SClemens Ladisch synchronize_irq(chip->irq); 90512bb5b78SClemens Ladisch 90612bb5b78SClemens Ladisch /* (2) initialization of the chip hardware */ 90712bb5b78SClemens Ladisch if ((err = snd_ad1889_init(chip)) < 0) { 90812bb5b78SClemens Ladisch snd_ad1889_free(chip); 90912bb5b78SClemens Ladisch return err; 91012bb5b78SClemens Ladisch } 91112bb5b78SClemens Ladisch 91212bb5b78SClemens Ladisch if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 91312bb5b78SClemens Ladisch snd_ad1889_free(chip); 91412bb5b78SClemens Ladisch return err; 91512bb5b78SClemens Ladisch } 91612bb5b78SClemens Ladisch 91712bb5b78SClemens Ladisch *rchip = chip; 91812bb5b78SClemens Ladisch 91912bb5b78SClemens Ladisch return 0; 92012bb5b78SClemens Ladisch 92112bb5b78SClemens Ladisch free_and_ret: 92212bb5b78SClemens Ladisch kfree(chip); 92312bb5b78SClemens Ladisch pci_disable_device(pci); 92412bb5b78SClemens Ladisch 92512bb5b78SClemens Ladisch return err; 92612bb5b78SClemens Ladisch } 92712bb5b78SClemens Ladisch 9282f5c1302SBill Pemberton static int 92912bb5b78SClemens Ladisch snd_ad1889_probe(struct pci_dev *pci, 93012bb5b78SClemens Ladisch const struct pci_device_id *pci_id) 93112bb5b78SClemens Ladisch { 93212bb5b78SClemens Ladisch int err; 93312bb5b78SClemens Ladisch static int devno; 93402c2de69STakashi Iwai struct snd_card *card; 93512bb5b78SClemens Ladisch struct snd_ad1889 *chip; 93612bb5b78SClemens Ladisch 93712bb5b78SClemens Ladisch /* (1) */ 93812bb5b78SClemens Ladisch if (devno >= SNDRV_CARDS) 93912bb5b78SClemens Ladisch return -ENODEV; 94012bb5b78SClemens Ladisch if (!enable[devno]) { 94112bb5b78SClemens Ladisch devno++; 94212bb5b78SClemens Ladisch return -ENOENT; 94312bb5b78SClemens Ladisch } 94412bb5b78SClemens Ladisch 94512bb5b78SClemens Ladisch /* (2) */ 94660c5772bSTakashi Iwai err = snd_card_new(&pci->dev, index[devno], id[devno], THIS_MODULE, 94760c5772bSTakashi Iwai 0, &card); 94812bb5b78SClemens Ladisch /* XXX REVISIT: we can probably allocate chip in this call */ 949e58de7baSTakashi Iwai if (err < 0) 950e58de7baSTakashi Iwai return err; 95112bb5b78SClemens Ladisch 95212bb5b78SClemens Ladisch strcpy(card->driver, "AD1889"); 95312bb5b78SClemens Ladisch strcpy(card->shortname, "Analog Devices AD1889"); 95412bb5b78SClemens Ladisch 95512bb5b78SClemens Ladisch /* (3) */ 95612bb5b78SClemens Ladisch err = snd_ad1889_create(card, pci, &chip); 95712bb5b78SClemens Ladisch if (err < 0) 95812bb5b78SClemens Ladisch goto free_and_ret; 95912bb5b78SClemens Ladisch 96012bb5b78SClemens Ladisch /* (4) */ 96112bb5b78SClemens Ladisch sprintf(card->longname, "%s at 0x%lx irq %i", 96212bb5b78SClemens Ladisch card->shortname, chip->bar, chip->irq); 96312bb5b78SClemens Ladisch 96412bb5b78SClemens Ladisch /* (5) */ 96512bb5b78SClemens Ladisch /* register AC97 mixer */ 96612bb5b78SClemens Ladisch err = snd_ad1889_ac97_init(chip, ac97_quirk[devno]); 96712bb5b78SClemens Ladisch if (err < 0) 96812bb5b78SClemens Ladisch goto free_and_ret; 96912bb5b78SClemens Ladisch 970a0880094SLars-Peter Clausen err = snd_ad1889_pcm_init(chip, 0); 97112bb5b78SClemens Ladisch if (err < 0) 97212bb5b78SClemens Ladisch goto free_and_ret; 97312bb5b78SClemens Ladisch 97412bb5b78SClemens Ladisch /* register proc interface */ 97512bb5b78SClemens Ladisch snd_ad1889_proc_init(chip); 97612bb5b78SClemens Ladisch 97712bb5b78SClemens Ladisch /* (6) */ 97812bb5b78SClemens Ladisch err = snd_card_register(card); 97912bb5b78SClemens Ladisch if (err < 0) 98012bb5b78SClemens Ladisch goto free_and_ret; 98112bb5b78SClemens Ladisch 98212bb5b78SClemens Ladisch /* (7) */ 98312bb5b78SClemens Ladisch pci_set_drvdata(pci, card); 98412bb5b78SClemens Ladisch 98512bb5b78SClemens Ladisch devno++; 98612bb5b78SClemens Ladisch return 0; 98712bb5b78SClemens Ladisch 98812bb5b78SClemens Ladisch free_and_ret: 98912bb5b78SClemens Ladisch snd_card_free(card); 99012bb5b78SClemens Ladisch return err; 99112bb5b78SClemens Ladisch } 99212bb5b78SClemens Ladisch 9932f5c1302SBill Pemberton static void 99412bb5b78SClemens Ladisch snd_ad1889_remove(struct pci_dev *pci) 99512bb5b78SClemens Ladisch { 99612bb5b78SClemens Ladisch snd_card_free(pci_get_drvdata(pci)); 99712bb5b78SClemens Ladisch } 99812bb5b78SClemens Ladisch 9999baa3c34SBenoit Taine static const struct pci_device_id snd_ad1889_ids[] = { 100012bb5b78SClemens Ladisch { PCI_DEVICE(PCI_VENDOR_ID_ANALOG_DEVICES, PCI_DEVICE_ID_AD1889JS) }, 100112bb5b78SClemens Ladisch { 0, }, 100212bb5b78SClemens Ladisch }; 100312bb5b78SClemens Ladisch MODULE_DEVICE_TABLE(pci, snd_ad1889_ids); 100412bb5b78SClemens Ladisch 1005e4d76815SRandy Dunlap static struct pci_driver ad1889_pci_driver = { 10063733e424STakashi Iwai .name = KBUILD_MODNAME, 100712bb5b78SClemens Ladisch .id_table = snd_ad1889_ids, 100812bb5b78SClemens Ladisch .probe = snd_ad1889_probe, 10092f5c1302SBill Pemberton .remove = snd_ad1889_remove, 101012bb5b78SClemens Ladisch }; 101112bb5b78SClemens Ladisch 1012e9f66d9bSTakashi Iwai module_pci_driver(ad1889_pci_driver); 1013