[ALSA] ad1889: add AD1889 driver

PCI drivers,AD1889 driver
move the AD1889 driver to the kernel tree

Acked-by: Thibaut Varene <varenet@parisc-linux.org>
Acked-by: Kyle McMartin <kyle@parisc-linux.org>

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

sound/pci/Kconfig

@@ -316,6 +316,18 @@ config SND_YMFPCI
 	  To compile this driver as a module, choose M here: the module
 	  will be called snd-ymfpci.
 
+config SND_AD1889
+	tristate "Analog Devices AD1889"
+	depends on SND
+	select SND_AC97_CODEC
+	help
+	  Say Y here to include support for the integrated AC97 sound
+	  device found in particular on the Hewlett-Packard [BCJ]-xxx0
+	  class PA-RISC workstations, using the AD1819 codec.
+
+	  To compile this as a module, choose M here: the module
+	  will be called snd-ad1889.
+
 config SND_ALS4000
 	tristate "Avance Logic ALS4000"
 	depends on SND && ISA_DMA_API

sound/pci/Makefile

@@ -3,6 +3,7 @@
 # Copyright (c) 2001 by Jaroslav Kysela <perex@suse.cz>
 #
 
+snd-ad1889-objs := ad1889.o
 snd-als4000-objs := als4000.o
 snd-atiixp-objs := atiixp.o
 snd-atiixp-modem-objs := atiixp_modem.o
@@ -25,6 +26,7 @@ snd-via82xx-objs := via82xx.o
 snd-via82xx-modem-objs := via82xx_modem.o
 
 # Toplevel Module Dependency
+obj-$(CONFIG_SND_AD1889) += snd-ad1889.o
 obj-$(CONFIG_SND_ALS4000) += snd-als4000.o
 obj-$(CONFIG_SND_ATIIXP) += snd-atiixp.o
 obj-$(CONFIG_SND_ATIIXP_MODEM) += snd-atiixp-modem.o

sound/pci/ad1889.h

@@ -0,0 +1,189 @@
+/* Analog Devices 1889 audio driver
+ * Copyright (C) 2004, Kyle McMartin <kyle@parisc-linux.org>
+ */
+
+#ifndef __AD1889_H__
+#define __AD1889_H__
+
+#define AD_DS_WSMC	0x00 /* wave/synthesis channel mixer control */
+#define  AD_DS_WSMC_SYEN 0x0004 /* synthesis channel enable */
+#define  AD_DS_WSMC_SYRQ 0x0030 /* synth. fifo request point */
+#define  AD_DS_WSMC_WA16 0x0100 /* wave channel 16bit select */
+#define  AD_DS_WSMC_WAST 0x0200 /* wave channel stereo select */
+#define  AD_DS_WSMC_WAEN 0x0400 /* wave channel enable */
+#define  AD_DS_WSMC_WARQ 0x3000 /* wave fifo request point */
+
+#define AD_DS_RAMC	0x02 /* resampler/ADC channel mixer control */
+#define  AD_DS_RAMC_AD16 0x0001 /* ADC channel 16bit select */
+#define  AD_DS_RAMC_ADST 0x0002 /* ADC channel stereo select */
+#define  AD_DS_RAMC_ADEN 0x0004 /* ADC channel enable */
+#define  AD_DS_RAMC_ACRQ 0x0030 /* ADC fifo request point */
+#define  AD_DS_RAMC_REEN 0x0400 /* resampler channel enable */
+#define  AD_DS_RAMC_RERQ 0x3000 /* res. fifo request point */
+
+#define AD_DS_WADA	0x04 /* wave channel mix attenuation */
+#define  AD_DS_WADA_RWAM 0x0080 /* right wave mute */
+#define  AD_DS_WADA_RWAA 0x001f /* right wave attenuation */
+#define  AD_DS_WADA_LWAM 0x8000 /* left wave mute */
+#define  AD_DS_WADA_LWAA 0x3e00 /* left wave attenuation */
+
+#define AD_DS_SYDA	0x06 /* synthesis channel mix attenuation */
+#define  AD_DS_SYDA_RSYM 0x0080 /* right synthesis mute */
+#define  AD_DS_SYDA_RSYA 0x001f /* right synthesis attenuation */
+#define  AD_DS_SYDA_LSYM 0x8000 /* left synthesis mute */
+#define  AD_DS_SYDA_LSYA 0x3e00 /* left synthesis attenuation */
+
+#define AD_DS_WAS	0x08 /* wave channel sample rate */
+#define  AD_DS_WAS_WAS   0xffff /* sample rate mask */
+
+#define AD_DS_RES	0x0a /* resampler channel sample rate */
+#define  AD_DS_RES_RES   0xffff /* sample rate mask */
+
+#define AD_DS_CCS	0x0c /* chip control/status */
+#define  AD_DS_CCS_ADO   0x0001 /* ADC channel overflow */
+#define  AD_DS_CCS_REO   0x0002 /* resampler channel overflow */
+#define  AD_DS_CCS_SYU   0x0004 /* synthesis channel underflow */
+#define  AD_DS_CCS_WAU   0x0008 /* wave channel underflow */
+/* bits 4 -> 7, 9, 11 -> 14 reserved */
+#define  AD_DS_CCS_XTD   0x0100 /* xtd delay control (4096 clock cycles) */
+#define  AD_DS_CCS_PDALL 0x0400 /* power */
+#define  AD_DS_CCS_CLKEN 0x8000 /* clock */
+
+#define AD_DMA_RESBA	0x40 /* RES base address */
+#define AD_DMA_RESCA	0x44 /* RES current address */
+#define AD_DMA_RESBC	0x48 /* RES base count */
+#define AD_DMA_RESCC	0x4c /* RES current count */
+
+#define AD_DMA_ADCBA	0x50 /* ADC base address */
+#define AD_DMA_ADCCA	0x54 /* ADC current address */
+#define AD_DMA_ADCBC	0x58 /* ADC base count */
+#define AD_DMA_ADCCC	0x5c /* ADC current count */
+
+#define AD_DMA_SYNBA	0x60 /* synth base address */
+#define AD_DMA_SYNCA	0x64 /* synth current address */
+#define AD_DMA_SYNBC	0x68 /* synth base count */
+#define AD_DMA_SYNCC	0x6c /* synth current count */
+
+#define AD_DMA_WAVBA	0x70 /* wave base address */
+#define AD_DMA_WAVCA	0x74 /* wave current address */
+#define AD_DMA_WAVBC	0x78 /* wave base count */
+#define AD_DMA_WAVCC	0x7c /* wave current count */
+
+#define AD_DMA_RESIC	0x80 /* RES dma interrupt current byte count */
+#define AD_DMA_RESIB	0x84 /* RES dma interrupt base byte count */
+
+#define AD_DMA_ADCIC	0x88 /* ADC dma interrupt current byte count */
+#define AD_DMA_ADCIB	0x8c /* ADC dma interrupt base byte count */
+
+#define AD_DMA_SYNIC	0x90 /* synth dma interrupt current byte count */
+#define AD_DMA_SYNIB	0x94 /* synth dma interrupt base byte count */
+
+#define AD_DMA_WAVIC	0x98 /* wave dma interrupt current byte count */
+#define AD_DMA_WAVIB	0x9c /* wave dma interrupt base byte count */
+
+#define  AD_DMA_ICC	0xffffff /* current byte count mask */
+#define  AD_DMA_IBC	0xffffff /* base byte count mask */
+/* bits 24 -> 31 reserved */
+
+/* 4 bytes pad */
+#define AD_DMA_ADC	0xa8	/* ADC      dma control and status */
+#define AD_DMA_SYNTH	0xb0	/* Synth    dma control and status */
+#define AD_DMA_WAV	0xb8	/* wave     dma control and status */
+#define AD_DMA_RES	0xa0	/* Resample dma control and status */
+
+#define  AD_DMA_SGDE	0x0001 /* SGD mode enable */
+#define  AD_DMA_LOOP	0x0002 /* loop enable */
+#define  AD_DMA_IM	0x000c /* interrupt mode mask */
+#define  AD_DMA_IM_DIS	(~AD_DMA_IM)	/* disable */
+#define  AD_DMA_IM_CNT	0x0004 /* interrupt on count */
+#define  AD_DMA_IM_SGD	0x0008 /* interrupt on SGD flag */
+#define  AD_DMA_IM_EOL	0x000c /* interrupt on End of Linked List */
+#define  AD_DMA_SGDS	0x0030 /* SGD status */
+#define  AD_DMA_SFLG	0x0040 /* SGD flag */
+#define  AD_DMA_EOL	0x0080 /* SGD end of list */
+/* bits 8 -> 15 reserved */
+
+#define AD_DMA_DISR	0xc0 /* dma interrupt status */
+#define  AD_DMA_DISR_RESI 0x000001 /* resampler channel interrupt */
+#define  AD_DMA_DISR_ADCI 0x000002 /* ADC channel interrupt */
+#define  AD_DMA_DISR_SYNI 0x000004 /* synthesis channel interrupt */
+#define  AD_DMA_DISR_WAVI 0x000008 /* wave channel interrupt */
+/* bits 4, 5 reserved */
+#define  AD_DMA_DISR_SEPS 0x000040 /* serial eeprom status */
+/* bits 7 -> 13 reserved */
+#define  AD_DMA_DISR_PMAI 0x004000 /* pci master abort interrupt */
+#define  AD_DMA_DISR_PTAI 0x008000 /* pci target abort interrupt */
+#define  AD_DMA_DISR_PTAE 0x010000 /* pci target abort interrupt enable */
+#define  AD_DMA_DISR_PMAE 0x020000 /* pci master abort interrupt enable */
+/* bits 19 -> 31 reserved */
+
+/* interrupt mask */
+#define  AD_INTR_MASK     (AD_DMA_DISR_RESI|AD_DMA_DISR_ADCI| \
+                           AD_DMA_DISR_WAVI|AD_DMA_DISR_SYNI| \
+                           AD_DMA_DISR_PMAI|AD_DMA_DISR_PTAI)
+
+#define AD_DMA_CHSS	0xc4 /* dma channel stop status */
+#define  AD_DMA_CHSS_RESS 0x000001 /* resampler channel stopped */
+#define  AD_DMA_CHSS_ADCS 0x000002 /* ADC channel stopped */
+#define  AD_DMA_CHSS_SYNS 0x000004 /* synthesis channel stopped */
+#define  AD_DMA_CHSS_WAVS 0x000008 /* wave channel stopped */
+
+#define AD_GPIO_IPC	0xc8	/* gpio port control */
+#define AD_GPIO_OP	0xca	/* gpio output port status */
+#define AD_GPIO_IP	0xcc	/* gpio  input port status */
+
+#define AD_AC97_BASE	0x100	/* ac97 base register */
+
+#define AD_AC97_RESET   0x100   /* reset */
+
+#define AD_AC97_PWR_CTL	0x126	/* == AC97_POWERDOWN */
+#define  AD_AC97_PWR_ADC 0x0001 /* ADC ready status */
+#define  AD_AC97_PWR_DAC 0x0002 /* DAC ready status */
+#define  AD_AC97_PWR_PR0 0x0100 /* PR0 (ADC) powerdown */
+#define  AD_AC97_PWR_PR1 0x0200 /* PR1 (DAC) powerdown */
+
+#define AD_MISC_CTL     0x176 /* misc control */
+#define  AD_MISC_CTL_DACZ   0x8000 /* set for zero fill, unset for repeat */
+#define  AD_MISC_CTL_ARSR   0x0001 /* set for SR1, unset for SR0 */
+#define  AD_MISC_CTL_ALSR   0x0100
+#define  AD_MISC_CTL_DLSR   0x0400
+#define  AD_MISC_CTL_DRSR   0x0004
+
+#define AD_AC97_SR0     0x178 /* sample rate 0, 0xbb80 == 48K */
+#define  AD_AC97_SR0_48K 0xbb80 /* 48KHz */
+#define AD_AC97_SR1     0x17a /* sample rate 1 */
+
+#define AD_AC97_ACIC	0x180 /* ac97 codec interface control */
+#define  AD_AC97_ACIC_ACIE  0x0001 /* analog codec interface enable */
+#define  AD_AC97_ACIC_ACRD  0x0002 /* analog codec reset disable */
+#define  AD_AC97_ACIC_ASOE  0x0004 /* audio stream output enable */
+#define  AD_AC97_ACIC_VSRM  0x0008 /* variable sample rate mode */
+#define  AD_AC97_ACIC_FSDH  0x0100 /* force SDATA_OUT high */
+#define  AD_AC97_ACIC_FSYH  0x0200 /* force sync high */
+#define  AD_AC97_ACIC_ACRDY 0x8000 /* analog codec ready status */
+/* bits 10 -> 14 reserved */
+
+
+#define AD_DS_MEMSIZE	512
+#define AD_OPL_MEMSIZE	16
+#define AD_MIDI_MEMSIZE	16
+
+#define AD_WAV_STATE	0
+#define AD_ADC_STATE	1
+#define AD_MAX_STATES	2
+
+#define AD_CHAN_WAV	0x0001
+#define AD_CHAN_ADC	0x0002
+#define AD_CHAN_RES	0x0004
+#define AD_CHAN_SYN	0x0008
+
+
+/* The chip would support 4 GB buffers and 16 MB periods,
+ * but let's not overdo it ... */
+#define BUFFER_BYTES_MAX	(256 * 1024)
+#define PERIOD_BYTES_MIN	32
+#define PERIOD_BYTES_MAX	(BUFFER_BYTES_MAX / 2)
+#define PERIODS_MIN		2
+#define PERIODS_MAX		(BUFFER_BYTES_MAX / PERIOD_BYTES_MIN)
+
+#endif /* __AD1889_H__ */