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marcus.erl |
/*
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* Driver for CS4231 sound chips found on Sparcs.
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* Copyright (C) 2002 David S. Miller <davem@redhat.com>
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*
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* Based entirely upon drivers/sbus/audio/cs4231.c which is:
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* Copyright (C) 1996, 1997, 1998 Derrick J Brashear (shadow@andrew.cmu.edu)
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* and also sound/isa/cs423x/cs4231_lib.c which is:
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/moduleparam.h>
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#include <linux/irq.h>
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#include <linux/io.h>
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#include <sound/driver.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/info.h>
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#include <sound/control.h>
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#include <sound/timer.h>
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#include <sound/initval.h>
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#include <sound/pcm_params.h>
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#ifdef CONFIG_SBUS
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#define SBUS_SUPPORT
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#include <asm/sbus.h>
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#endif
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#if defined(CONFIG_PCI) && defined(CONFIG_SPARC64)
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#define EBUS_SUPPORT
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#include <linux/pci.h>
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#include <asm/ebus.h>
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#endif
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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/* Enable this card */
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static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for Sun CS4231 soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for Sun CS4231 soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable Sun CS4231 soundcard.");
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MODULE_AUTHOR("Jaroslav Kysela, Derrick J. Brashear and David S. Miller");
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MODULE_DESCRIPTION("Sun CS4231");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{Sun,CS4231}}");
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#ifdef SBUS_SUPPORT
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struct sbus_dma_info {
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spinlock_t lock; /* DMA access lock */
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int dir;
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void __iomem *regs;
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};
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#endif
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struct snd_cs4231;
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struct cs4231_dma_control {
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void (*prepare)(struct cs4231_dma_control *dma_cont,
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int dir);
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void (*enable)(struct cs4231_dma_control *dma_cont, int on);
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int (*request)(struct cs4231_dma_control *dma_cont,
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dma_addr_t bus_addr, size_t len);
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unsigned int (*address)(struct cs4231_dma_control *dma_cont);
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void (*preallocate)(struct snd_cs4231 *chip,
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struct snd_pcm *pcm);
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#ifdef EBUS_SUPPORT
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struct ebus_dma_info ebus_info;
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#endif
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#ifdef SBUS_SUPPORT
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struct sbus_dma_info sbus_info;
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#endif
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};
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struct snd_cs4231 {
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spinlock_t lock; /* registers access lock */
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void __iomem *port;
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struct cs4231_dma_control p_dma;
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struct cs4231_dma_control c_dma;
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u32 flags;
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#define CS4231_FLAG_EBUS 0x00000001
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#define CS4231_FLAG_PLAYBACK 0x00000002
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#define CS4231_FLAG_CAPTURE 0x00000004
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struct snd_card *card;
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struct snd_pcm *pcm;
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struct snd_pcm_substream *playback_substream;
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unsigned int p_periods_sent;
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struct snd_pcm_substream *capture_substream;
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unsigned int c_periods_sent;
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struct snd_timer *timer;
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unsigned short mode;
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#define CS4231_MODE_NONE 0x0000
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#define CS4231_MODE_PLAY 0x0001
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#define CS4231_MODE_RECORD 0x0002
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#define CS4231_MODE_TIMER 0x0004
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#define CS4231_MODE_OPEN (CS4231_MODE_PLAY | CS4231_MODE_RECORD | \
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CS4231_MODE_TIMER)
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unsigned char image[32]; /* registers image */
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int mce_bit;
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int calibrate_mute;
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struct mutex mce_mutex; /* mutex for mce register */
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struct mutex open_mutex; /* mutex for ALSA open/close */
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union {
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#ifdef SBUS_SUPPORT
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struct sbus_dev *sdev;
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#endif
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#ifdef EBUS_SUPPORT
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struct pci_dev *pdev;
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#endif
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} dev_u;
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unsigned int irq[2];
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unsigned int regs_size;
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struct snd_cs4231 *next;
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};
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static struct snd_cs4231 *cs4231_list;
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/* Eventually we can use sound/isa/cs423x/cs4231_lib.c directly, but for
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* now.... -DaveM
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*/
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/* IO ports */
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#include <sound/cs4231-regs.h>
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/* XXX offsets are different than PC ISA chips... */
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#define CS4231U(chip, x) ((chip)->port + ((c_d_c_CS4231##x) << 2))
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/* SBUS DMA register defines. */
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#define APCCSR 0x10UL /* APC DMA CSR */
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#define APCCVA 0x20UL /* APC Capture DMA Address */
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#define APCCC 0x24UL /* APC Capture Count */
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#define APCCNVA 0x28UL /* APC Capture DMA Next Address */
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#define APCCNC 0x2cUL /* APC Capture Next Count */
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#define APCPVA 0x30UL /* APC Play DMA Address */
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#define APCPC 0x34UL /* APC Play Count */
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#define APCPNVA 0x38UL /* APC Play DMA Next Address */
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#define APCPNC 0x3cUL /* APC Play Next Count */
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/* Defines for SBUS DMA-routines */
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#define APCVA 0x0UL /* APC DMA Address */
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#define APCC 0x4UL /* APC Count */
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#define APCNVA 0x8UL /* APC DMA Next Address */
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#define APCNC 0xcUL /* APC Next Count */
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#define APC_PLAY 0x30UL /* Play registers start at 0x30 */
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#define APC_RECORD 0x20UL /* Record registers start at 0x20 */
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/* APCCSR bits */
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#define APC_INT_PENDING 0x800000 /* Interrupt Pending */
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#define APC_PLAY_INT 0x400000 /* Playback interrupt */
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#define APC_CAPT_INT 0x200000 /* Capture interrupt */
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#define APC_GENL_INT 0x100000 /* General interrupt */
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#define APC_XINT_ENA 0x80000 /* General ext int. enable */
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#define APC_XINT_PLAY 0x40000 /* Playback ext intr */
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#define APC_XINT_CAPT 0x20000 /* Capture ext intr */
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#define APC_XINT_GENL 0x10000 /* Error ext intr */
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#define APC_XINT_EMPT 0x8000 /* Pipe empty interrupt (0 write to pva) */
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#define APC_XINT_PEMP 0x4000 /* Play pipe empty (pva and pnva not set) */
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#define APC_XINT_PNVA 0x2000 /* Playback NVA dirty */
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#define APC_XINT_PENA 0x1000 /* play pipe empty Int enable */
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#define APC_XINT_COVF 0x800 /* Cap data dropped on floor */
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#define APC_XINT_CNVA 0x400 /* Capture NVA dirty */
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#define APC_XINT_CEMP 0x200 /* Capture pipe empty (cva and cnva not set) */
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#define APC_XINT_CENA 0x100 /* Cap. pipe empty int enable */
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#define APC_PPAUSE 0x80 /* Pause the play DMA */
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#define APC_CPAUSE 0x40 /* Pause the capture DMA */
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#define APC_CDC_RESET 0x20 /* CODEC RESET */
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#define APC_PDMA_READY 0x08 /* Play DMA Go */
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#define APC_CDMA_READY 0x04 /* Capture DMA Go */
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#define APC_CHIP_RESET 0x01 /* Reset the chip */
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/* EBUS DMA register offsets */
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#define EBDMA_CSR 0x00UL /* Control/Status */
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#define EBDMA_ADDR 0x04UL /* DMA Address */
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#define EBDMA_COUNT 0x08UL /* DMA Count */
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/*
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* Some variables
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*/
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static unsigned char freq_bits[14] = {
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/* 5510 */ 0x00 | CS4231_XTAL2,
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/* 6620 */ 0x0E | CS4231_XTAL2,
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/* 8000 */ 0x00 | CS4231_XTAL1,
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/* 9600 */ 0x0E | CS4231_XTAL1,
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/* 11025 */ 0x02 | CS4231_XTAL2,
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/* 16000 */ 0x02 | CS4231_XTAL1,
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/* 18900 */ 0x04 | CS4231_XTAL2,
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/* 22050 */ 0x06 | CS4231_XTAL2,
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/* 27042 */ 0x04 | CS4231_XTAL1,
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/* 32000 */ 0x06 | CS4231_XTAL1,
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/* 33075 */ 0x0C | CS4231_XTAL2,
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/* 37800 */ 0x08 | CS4231_XTAL2,
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/* 44100 */ 0x0A | CS4231_XTAL2,
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/* 48000 */ 0x0C | CS4231_XTAL1
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};
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static unsigned int rates[14] = {
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5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050,
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27042, 32000, 33075, 37800, 44100, 48000
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};
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static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
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.count = ARRAY_SIZE(rates),
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.list = rates,
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};
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static int snd_cs4231_xrate(struct snd_pcm_runtime *runtime)
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{
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return snd_pcm_hw_constraint_list(runtime, 0,
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SNDRV_PCM_HW_PARAM_RATE,
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&hw_constraints_rates);
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}
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static unsigned char snd_cs4231_original_image[32] =
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{
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0x00, /* 00/00 - lic */
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0x00, /* 01/01 - ric */
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0x9f, /* 02/02 - la1ic */
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0x9f, /* 03/03 - ra1ic */
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0x9f, /* 04/04 - la2ic */
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0x9f, /* 05/05 - ra2ic */
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0xbf, /* 06/06 - loc */
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0xbf, /* 07/07 - roc */
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0x20, /* 08/08 - pdfr */
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CS4231_AUTOCALIB, /* 09/09 - ic */
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0x00, /* 0a/10 - pc */
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0x00, /* 0b/11 - ti */
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CS4231_MODE2, /* 0c/12 - mi */
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0x00, /* 0d/13 - lbc */
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0x00, /* 0e/14 - pbru */
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0x00, /* 0f/15 - pbrl */
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0x80, /* 10/16 - afei */
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0x01, /* 11/17 - afeii */
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0x9f, /* 12/18 - llic */
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0x9f, /* 13/19 - rlic */
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0x00, /* 14/20 - tlb */
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0x00, /* 15/21 - thb */
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0x00, /* 16/22 - la3mic/reserved */
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0x00, /* 17/23 - ra3mic/reserved */
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0x00, /* 18/24 - afs */
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0x00, /* 19/25 - lamoc/version */
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0x00, /* 1a/26 - mioc */
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0x00, /* 1b/27 - ramoc/reserved */
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0x20, /* 1c/28 - cdfr */
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0x00, /* 1d/29 - res4 */
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0x00, /* 1e/30 - cbru */
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0x00, /* 1f/31 - cbrl */
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| 267 |
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};
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| 268 |
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| 269 |
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static u8 __cs4231_readb(struct snd_cs4231 *cp, void __iomem *reg_addr)
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| 270 |
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{
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| 271 |
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#ifdef EBUS_SUPPORT
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| 272 |
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if (cp->flags & CS4231_FLAG_EBUS)
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return readb(reg_addr);
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| 274 |
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else
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| 275 |
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#endif
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| 276 |
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#ifdef SBUS_SUPPORT
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| 277 |
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return sbus_readb(reg_addr);
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| 278 |
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#endif
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| 279 |
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}
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| 280 |
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| 281 |
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static void __cs4231_writeb(struct snd_cs4231 *cp, u8 val,
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| 282 |
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void __iomem *reg_addr)
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| 283 |
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{
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| 284 |
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#ifdef EBUS_SUPPORT
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| 285 |
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if (cp->flags & CS4231_FLAG_EBUS)
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| 286 |
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return writeb(val, reg_addr);
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| 287 |
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else
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| 288 |
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#endif
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| 289 |
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#ifdef SBUS_SUPPORT
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| 290 |
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return sbus_writeb(val, reg_addr);
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| 291 |
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#endif
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| 292 |
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}
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| 293 |
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| 294 |
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/*
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| 295 |
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* Basic I/O functions
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| 296 |
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*/
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| 297 |
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| 298 |
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static void snd_cs4231_ready(struct snd_cs4231 *chip)
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| 299 |
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{
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| 300 |
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int timeout;
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| 301 |
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| 302 |
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for (timeout = 250; timeout > 0; timeout--) {
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| 303 |
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int val = __cs4231_readb(chip, CS4231U(chip, REGSEL));
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| 304 |
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if ((val & CS4231_INIT) == 0)
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| 305 |
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break;
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| 306 |
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udelay(100);
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| 307 |
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}
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| 308 |
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}
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| 309 |
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| 310 |
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static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg,
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| 311 |
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unsigned char value)
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| 312 |
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{
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| 313 |
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snd_cs4231_ready(chip);
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| 314 |
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#ifdef CONFIG_SND_DEBUG
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| 315 |
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if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
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| 316 |
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snd_printdd("out: auto calibration time out - reg = 0x%x, "
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| 317 |
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"value = 0x%x\n",
|
| 318 |
|
|
reg, value);
|
| 319 |
|
|
#endif
|
| 320 |
|
|
__cs4231_writeb(chip, chip->mce_bit | reg, CS4231U(chip, REGSEL));
|
| 321 |
|
|
wmb();
|
| 322 |
|
|
__cs4231_writeb(chip, value, CS4231U(chip, REG));
|
| 323 |
|
|
mb();
|
| 324 |
|
|
}
|
| 325 |
|
|
|
| 326 |
|
|
static inline void snd_cs4231_outm(struct snd_cs4231 *chip, unsigned char reg,
|
| 327 |
|
|
unsigned char mask, unsigned char value)
|
| 328 |
|
|
{
|
| 329 |
|
|
unsigned char tmp = (chip->image[reg] & mask) | value;
|
| 330 |
|
|
|
| 331 |
|
|
chip->image[reg] = tmp;
|
| 332 |
|
|
if (!chip->calibrate_mute)
|
| 333 |
|
|
snd_cs4231_dout(chip, reg, tmp);
|
| 334 |
|
|
}
|
| 335 |
|
|
|
| 336 |
|
|
static void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg,
|
| 337 |
|
|
unsigned char value)
|
| 338 |
|
|
{
|
| 339 |
|
|
snd_cs4231_dout(chip, reg, value);
|
| 340 |
|
|
chip->image[reg] = value;
|
| 341 |
|
|
mb();
|
| 342 |
|
|
}
|
| 343 |
|
|
|
| 344 |
|
|
static unsigned char snd_cs4231_in(struct snd_cs4231 *chip, unsigned char reg)
|
| 345 |
|
|
{
|
| 346 |
|
|
snd_cs4231_ready(chip);
|
| 347 |
|
|
#ifdef CONFIG_SND_DEBUG
|
| 348 |
|
|
if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
|
| 349 |
|
|
snd_printdd("in: auto calibration time out - reg = 0x%x\n",
|
| 350 |
|
|
reg);
|
| 351 |
|
|
#endif
|
| 352 |
|
|
__cs4231_writeb(chip, chip->mce_bit | reg, CS4231U(chip, REGSEL));
|
| 353 |
|
|
mb();
|
| 354 |
|
|
return __cs4231_readb(chip, CS4231U(chip, REG));
|
| 355 |
|
|
}
|
| 356 |
|
|
|
| 357 |
|
|
/*
|
| 358 |
|
|
* CS4231 detection / MCE routines
|
| 359 |
|
|
*/
|
| 360 |
|
|
|
| 361 |
|
|
static void snd_cs4231_busy_wait(struct snd_cs4231 *chip)
|
| 362 |
|
|
{
|
| 363 |
|
|
int timeout;
|
| 364 |
|
|
|
| 365 |
|
|
/* looks like this sequence is proper for CS4231A chip (GUS MAX) */
|
| 366 |
|
|
for (timeout = 5; timeout > 0; timeout--)
|
| 367 |
|
|
__cs4231_readb(chip, CS4231U(chip, REGSEL));
|
| 368 |
|
|
|
| 369 |
|
|
/* end of cleanup sequence */
|
| 370 |
|
|
for (timeout = 500; timeout > 0; timeout--) {
|
| 371 |
|
|
int val = __cs4231_readb(chip, CS4231U(chip, REGSEL));
|
| 372 |
|
|
if ((val & CS4231_INIT) == 0)
|
| 373 |
|
|
break;
|
| 374 |
|
|
msleep(1);
|
| 375 |
|
|
}
|
| 376 |
|
|
}
|
| 377 |
|
|
|
| 378 |
|
|
static void snd_cs4231_mce_up(struct snd_cs4231 *chip)
|
| 379 |
|
|
{
|
| 380 |
|
|
unsigned long flags;
|
| 381 |
|
|
int timeout;
|
| 382 |
|
|
|
| 383 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 384 |
|
|
snd_cs4231_ready(chip);
|
| 385 |
|
|
#ifdef CONFIG_SND_DEBUG
|
| 386 |
|
|
if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
|
| 387 |
|
|
snd_printdd("mce_up - auto calibration time out (0)\n");
|
| 388 |
|
|
#endif
|
| 389 |
|
|
chip->mce_bit |= CS4231_MCE;
|
| 390 |
|
|
timeout = __cs4231_readb(chip, CS4231U(chip, REGSEL));
|
| 391 |
|
|
if (timeout == 0x80)
|
| 392 |
|
|
snd_printdd("mce_up [%p]: serious init problem - "
|
| 393 |
|
|
"codec still busy\n",
|
| 394 |
|
|
chip->port);
|
| 395 |
|
|
if (!(timeout & CS4231_MCE))
|
| 396 |
|
|
__cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f),
|
| 397 |
|
|
CS4231U(chip, REGSEL));
|
| 398 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 399 |
|
|
}
|
| 400 |
|
|
|
| 401 |
|
|
static void snd_cs4231_mce_down(struct snd_cs4231 *chip)
|
| 402 |
|
|
{
|
| 403 |
|
|
unsigned long flags, timeout;
|
| 404 |
|
|
int reg;
|
| 405 |
|
|
|
| 406 |
|
|
snd_cs4231_busy_wait(chip);
|
| 407 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 408 |
|
|
#ifdef CONFIG_SND_DEBUG
|
| 409 |
|
|
if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
|
| 410 |
|
|
snd_printdd("mce_down [%p] - auto calibration time out (0)\n",
|
| 411 |
|
|
CS4231U(chip, REGSEL));
|
| 412 |
|
|
#endif
|
| 413 |
|
|
chip->mce_bit &= ~CS4231_MCE;
|
| 414 |
|
|
reg = __cs4231_readb(chip, CS4231U(chip, REGSEL));
|
| 415 |
|
|
__cs4231_writeb(chip, chip->mce_bit | (reg & 0x1f),
|
| 416 |
|
|
CS4231U(chip, REGSEL));
|
| 417 |
|
|
if (reg == 0x80)
|
| 418 |
|
|
snd_printdd("mce_down [%p]: serious init problem "
|
| 419 |
|
|
"- codec still busy\n", chip->port);
|
| 420 |
|
|
if ((reg & CS4231_MCE) == 0) {
|
| 421 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 422 |
|
|
return;
|
| 423 |
|
|
}
|
| 424 |
|
|
|
| 425 |
|
|
/*
|
| 426 |
|
|
* Wait for auto-calibration (AC) process to finish, i.e. ACI to go low.
|
| 427 |
|
|
*/
|
| 428 |
|
|
timeout = jiffies + msecs_to_jiffies(250);
|
| 429 |
|
|
do {
|
| 430 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 431 |
|
|
msleep(1);
|
| 432 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 433 |
|
|
reg = snd_cs4231_in(chip, CS4231_TEST_INIT);
|
| 434 |
|
|
reg &= CS4231_CALIB_IN_PROGRESS;
|
| 435 |
|
|
} while (reg && time_before(jiffies, timeout));
|
| 436 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 437 |
|
|
|
| 438 |
|
|
if (reg)
|
| 439 |
|
|
snd_printk(KERN_ERR
|
| 440 |
|
|
"mce_down - auto calibration time out (2)\n");
|
| 441 |
|
|
}
|
| 442 |
|
|
|
| 443 |
|
|
static void snd_cs4231_advance_dma(struct cs4231_dma_control *dma_cont,
|
| 444 |
|
|
struct snd_pcm_substream *substream,
|
| 445 |
|
|
unsigned int *periods_sent)
|
| 446 |
|
|
{
|
| 447 |
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
| 448 |
|
|
|
| 449 |
|
|
while (1) {
|
| 450 |
|
|
unsigned int period_size = snd_pcm_lib_period_bytes(substream);
|
| 451 |
|
|
unsigned int offset = period_size * (*periods_sent);
|
| 452 |
|
|
|
| 453 |
|
|
BUG_ON(period_size >= (1 << 24));
|
| 454 |
|
|
|
| 455 |
|
|
if (dma_cont->request(dma_cont,
|
| 456 |
|
|
runtime->dma_addr + offset, period_size))
|
| 457 |
|
|
return;
|
| 458 |
|
|
(*periods_sent) = ((*periods_sent) + 1) % runtime->periods;
|
| 459 |
|
|
}
|
| 460 |
|
|
}
|
| 461 |
|
|
|
| 462 |
|
|
static void cs4231_dma_trigger(struct snd_pcm_substream *substream,
|
| 463 |
|
|
unsigned int what, int on)
|
| 464 |
|
|
{
|
| 465 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 466 |
|
|
struct cs4231_dma_control *dma_cont;
|
| 467 |
|
|
|
| 468 |
|
|
if (what & CS4231_PLAYBACK_ENABLE) {
|
| 469 |
|
|
dma_cont = &chip->p_dma;
|
| 470 |
|
|
if (on) {
|
| 471 |
|
|
dma_cont->prepare(dma_cont, 0);
|
| 472 |
|
|
dma_cont->enable(dma_cont, 1);
|
| 473 |
|
|
snd_cs4231_advance_dma(dma_cont,
|
| 474 |
|
|
chip->playback_substream,
|
| 475 |
|
|
&chip->p_periods_sent);
|
| 476 |
|
|
} else {
|
| 477 |
|
|
dma_cont->enable(dma_cont, 0);
|
| 478 |
|
|
}
|
| 479 |
|
|
}
|
| 480 |
|
|
if (what & CS4231_RECORD_ENABLE) {
|
| 481 |
|
|
dma_cont = &chip->c_dma;
|
| 482 |
|
|
if (on) {
|
| 483 |
|
|
dma_cont->prepare(dma_cont, 1);
|
| 484 |
|
|
dma_cont->enable(dma_cont, 1);
|
| 485 |
|
|
snd_cs4231_advance_dma(dma_cont,
|
| 486 |
|
|
chip->capture_substream,
|
| 487 |
|
|
&chip->c_periods_sent);
|
| 488 |
|
|
} else {
|
| 489 |
|
|
dma_cont->enable(dma_cont, 0);
|
| 490 |
|
|
}
|
| 491 |
|
|
}
|
| 492 |
|
|
}
|
| 493 |
|
|
|
| 494 |
|
|
static int snd_cs4231_trigger(struct snd_pcm_substream *substream, int cmd)
|
| 495 |
|
|
{
|
| 496 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 497 |
|
|
int result = 0;
|
| 498 |
|
|
|
| 499 |
|
|
switch (cmd) {
|
| 500 |
|
|
case SNDRV_PCM_TRIGGER_START:
|
| 501 |
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
| 502 |
|
|
{
|
| 503 |
|
|
unsigned int what = 0;
|
| 504 |
|
|
struct snd_pcm_substream *s;
|
| 505 |
|
|
unsigned long flags;
|
| 506 |
|
|
|
| 507 |
|
|
snd_pcm_group_for_each_entry(s, substream) {
|
| 508 |
|
|
if (s == chip->playback_substream) {
|
| 509 |
|
|
what |= CS4231_PLAYBACK_ENABLE;
|
| 510 |
|
|
snd_pcm_trigger_done(s, substream);
|
| 511 |
|
|
} else if (s == chip->capture_substream) {
|
| 512 |
|
|
what |= CS4231_RECORD_ENABLE;
|
| 513 |
|
|
snd_pcm_trigger_done(s, substream);
|
| 514 |
|
|
}
|
| 515 |
|
|
}
|
| 516 |
|
|
|
| 517 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 518 |
|
|
if (cmd == SNDRV_PCM_TRIGGER_START) {
|
| 519 |
|
|
cs4231_dma_trigger(substream, what, 1);
|
| 520 |
|
|
chip->image[CS4231_IFACE_CTRL] |= what;
|
| 521 |
|
|
} else {
|
| 522 |
|
|
cs4231_dma_trigger(substream, what, 0);
|
| 523 |
|
|
chip->image[CS4231_IFACE_CTRL] &= ~what;
|
| 524 |
|
|
}
|
| 525 |
|
|
snd_cs4231_out(chip, CS4231_IFACE_CTRL,
|
| 526 |
|
|
chip->image[CS4231_IFACE_CTRL]);
|
| 527 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 528 |
|
|
break;
|
| 529 |
|
|
}
|
| 530 |
|
|
default:
|
| 531 |
|
|
result = -EINVAL;
|
| 532 |
|
|
break;
|
| 533 |
|
|
}
|
| 534 |
|
|
|
| 535 |
|
|
return result;
|
| 536 |
|
|
}
|
| 537 |
|
|
|
| 538 |
|
|
/*
|
| 539 |
|
|
* CODEC I/O
|
| 540 |
|
|
*/
|
| 541 |
|
|
|
| 542 |
|
|
static unsigned char snd_cs4231_get_rate(unsigned int rate)
|
| 543 |
|
|
{
|
| 544 |
|
|
int i;
|
| 545 |
|
|
|
| 546 |
|
|
for (i = 0; i < 14; i++)
|
| 547 |
|
|
if (rate == rates[i])
|
| 548 |
|
|
return freq_bits[i];
|
| 549 |
|
|
|
| 550 |
|
|
return freq_bits[13];
|
| 551 |
|
|
}
|
| 552 |
|
|
|
| 553 |
|
|
static unsigned char snd_cs4231_get_format(struct snd_cs4231 *chip, int format,
|
| 554 |
|
|
int channels)
|
| 555 |
|
|
{
|
| 556 |
|
|
unsigned char rformat;
|
| 557 |
|
|
|
| 558 |
|
|
rformat = CS4231_LINEAR_8;
|
| 559 |
|
|
switch (format) {
|
| 560 |
|
|
case SNDRV_PCM_FORMAT_MU_LAW:
|
| 561 |
|
|
rformat = CS4231_ULAW_8;
|
| 562 |
|
|
break;
|
| 563 |
|
|
case SNDRV_PCM_FORMAT_A_LAW:
|
| 564 |
|
|
rformat = CS4231_ALAW_8;
|
| 565 |
|
|
break;
|
| 566 |
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
| 567 |
|
|
rformat = CS4231_LINEAR_16;
|
| 568 |
|
|
break;
|
| 569 |
|
|
case SNDRV_PCM_FORMAT_S16_BE:
|
| 570 |
|
|
rformat = CS4231_LINEAR_16_BIG;
|
| 571 |
|
|
break;
|
| 572 |
|
|
case SNDRV_PCM_FORMAT_IMA_ADPCM:
|
| 573 |
|
|
rformat = CS4231_ADPCM_16;
|
| 574 |
|
|
break;
|
| 575 |
|
|
}
|
| 576 |
|
|
if (channels > 1)
|
| 577 |
|
|
rformat |= CS4231_STEREO;
|
| 578 |
|
|
return rformat;
|
| 579 |
|
|
}
|
| 580 |
|
|
|
| 581 |
|
|
static void snd_cs4231_calibrate_mute(struct snd_cs4231 *chip, int mute)
|
| 582 |
|
|
{
|
| 583 |
|
|
unsigned long flags;
|
| 584 |
|
|
|
| 585 |
|
|
mute = mute ? 1 : 0;
|
| 586 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 587 |
|
|
if (chip->calibrate_mute == mute) {
|
| 588 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 589 |
|
|
return;
|
| 590 |
|
|
}
|
| 591 |
|
|
if (!mute) {
|
| 592 |
|
|
snd_cs4231_dout(chip, CS4231_LEFT_INPUT,
|
| 593 |
|
|
chip->image[CS4231_LEFT_INPUT]);
|
| 594 |
|
|
snd_cs4231_dout(chip, CS4231_RIGHT_INPUT,
|
| 595 |
|
|
chip->image[CS4231_RIGHT_INPUT]);
|
| 596 |
|
|
snd_cs4231_dout(chip, CS4231_LOOPBACK,
|
| 597 |
|
|
chip->image[CS4231_LOOPBACK]);
|
| 598 |
|
|
}
|
| 599 |
|
|
snd_cs4231_dout(chip, CS4231_AUX1_LEFT_INPUT,
|
| 600 |
|
|
mute ? 0x80 : chip->image[CS4231_AUX1_LEFT_INPUT]);
|
| 601 |
|
|
snd_cs4231_dout(chip, CS4231_AUX1_RIGHT_INPUT,
|
| 602 |
|
|
mute ? 0x80 : chip->image[CS4231_AUX1_RIGHT_INPUT]);
|
| 603 |
|
|
snd_cs4231_dout(chip, CS4231_AUX2_LEFT_INPUT,
|
| 604 |
|
|
mute ? 0x80 : chip->image[CS4231_AUX2_LEFT_INPUT]);
|
| 605 |
|
|
snd_cs4231_dout(chip, CS4231_AUX2_RIGHT_INPUT,
|
| 606 |
|
|
mute ? 0x80 : chip->image[CS4231_AUX2_RIGHT_INPUT]);
|
| 607 |
|
|
snd_cs4231_dout(chip, CS4231_LEFT_OUTPUT,
|
| 608 |
|
|
mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]);
|
| 609 |
|
|
snd_cs4231_dout(chip, CS4231_RIGHT_OUTPUT,
|
| 610 |
|
|
mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]);
|
| 611 |
|
|
snd_cs4231_dout(chip, CS4231_LEFT_LINE_IN,
|
| 612 |
|
|
mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]);
|
| 613 |
|
|
snd_cs4231_dout(chip, CS4231_RIGHT_LINE_IN,
|
| 614 |
|
|
mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]);
|
| 615 |
|
|
snd_cs4231_dout(chip, CS4231_MONO_CTRL,
|
| 616 |
|
|
mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]);
|
| 617 |
|
|
chip->calibrate_mute = mute;
|
| 618 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 619 |
|
|
}
|
| 620 |
|
|
|
| 621 |
|
|
static void snd_cs4231_playback_format(struct snd_cs4231 *chip,
|
| 622 |
|
|
struct snd_pcm_hw_params *params,
|
| 623 |
|
|
unsigned char pdfr)
|
| 624 |
|
|
{
|
| 625 |
|
|
unsigned long flags;
|
| 626 |
|
|
|
| 627 |
|
|
mutex_lock(&chip->mce_mutex);
|
| 628 |
|
|
snd_cs4231_calibrate_mute(chip, 1);
|
| 629 |
|
|
|
| 630 |
|
|
snd_cs4231_mce_up(chip);
|
| 631 |
|
|
|
| 632 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 633 |
|
|
snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT,
|
| 634 |
|
|
(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) ?
|
| 635 |
|
|
(pdfr & 0xf0) | (chip->image[CS4231_REC_FORMAT] & 0x0f) :
|
| 636 |
|
|
pdfr);
|
| 637 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 638 |
|
|
|
| 639 |
|
|
snd_cs4231_mce_down(chip);
|
| 640 |
|
|
|
| 641 |
|
|
snd_cs4231_calibrate_mute(chip, 0);
|
| 642 |
|
|
mutex_unlock(&chip->mce_mutex);
|
| 643 |
|
|
}
|
| 644 |
|
|
|
| 645 |
|
|
static void snd_cs4231_capture_format(struct snd_cs4231 *chip,
|
| 646 |
|
|
struct snd_pcm_hw_params *params,
|
| 647 |
|
|
unsigned char cdfr)
|
| 648 |
|
|
{
|
| 649 |
|
|
unsigned long flags;
|
| 650 |
|
|
|
| 651 |
|
|
mutex_lock(&chip->mce_mutex);
|
| 652 |
|
|
snd_cs4231_calibrate_mute(chip, 1);
|
| 653 |
|
|
|
| 654 |
|
|
snd_cs4231_mce_up(chip);
|
| 655 |
|
|
|
| 656 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 657 |
|
|
if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) {
|
| 658 |
|
|
snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT,
|
| 659 |
|
|
((chip->image[CS4231_PLAYBK_FORMAT]) & 0xf0) |
|
| 660 |
|
|
(cdfr & 0x0f));
|
| 661 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 662 |
|
|
snd_cs4231_mce_down(chip);
|
| 663 |
|
|
snd_cs4231_mce_up(chip);
|
| 664 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 665 |
|
|
}
|
| 666 |
|
|
snd_cs4231_out(chip, CS4231_REC_FORMAT, cdfr);
|
| 667 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 668 |
|
|
|
| 669 |
|
|
snd_cs4231_mce_down(chip);
|
| 670 |
|
|
|
| 671 |
|
|
snd_cs4231_calibrate_mute(chip, 0);
|
| 672 |
|
|
mutex_unlock(&chip->mce_mutex);
|
| 673 |
|
|
}
|
| 674 |
|
|
|
| 675 |
|
|
/*
|
| 676 |
|
|
* Timer interface
|
| 677 |
|
|
*/
|
| 678 |
|
|
|
| 679 |
|
|
static unsigned long snd_cs4231_timer_resolution(struct snd_timer *timer)
|
| 680 |
|
|
{
|
| 681 |
|
|
struct snd_cs4231 *chip = snd_timer_chip(timer);
|
| 682 |
|
|
|
| 683 |
|
|
return chip->image[CS4231_PLAYBK_FORMAT] & 1 ? 9969 : 9920;
|
| 684 |
|
|
}
|
| 685 |
|
|
|
| 686 |
|
|
static int snd_cs4231_timer_start(struct snd_timer *timer)
|
| 687 |
|
|
{
|
| 688 |
|
|
unsigned long flags;
|
| 689 |
|
|
unsigned int ticks;
|
| 690 |
|
|
struct snd_cs4231 *chip = snd_timer_chip(timer);
|
| 691 |
|
|
|
| 692 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 693 |
|
|
ticks = timer->sticks;
|
| 694 |
|
|
if ((chip->image[CS4231_ALT_FEATURE_1] & CS4231_TIMER_ENABLE) == 0 ||
|
| 695 |
|
|
(unsigned char)(ticks >> 8) != chip->image[CS4231_TIMER_HIGH] ||
|
| 696 |
|
|
(unsigned char)ticks != chip->image[CS4231_TIMER_LOW]) {
|
| 697 |
|
|
snd_cs4231_out(chip, CS4231_TIMER_HIGH,
|
| 698 |
|
|
chip->image[CS4231_TIMER_HIGH] =
|
| 699 |
|
|
(unsigned char) (ticks >> 8));
|
| 700 |
|
|
snd_cs4231_out(chip, CS4231_TIMER_LOW,
|
| 701 |
|
|
chip->image[CS4231_TIMER_LOW] =
|
| 702 |
|
|
(unsigned char) ticks);
|
| 703 |
|
|
snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
|
| 704 |
|
|
chip->image[CS4231_ALT_FEATURE_1] |
|
| 705 |
|
|
CS4231_TIMER_ENABLE);
|
| 706 |
|
|
}
|
| 707 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 708 |
|
|
|
| 709 |
|
|
return 0;
|
| 710 |
|
|
}
|
| 711 |
|
|
|
| 712 |
|
|
static int snd_cs4231_timer_stop(struct snd_timer *timer)
|
| 713 |
|
|
{
|
| 714 |
|
|
unsigned long flags;
|
| 715 |
|
|
struct snd_cs4231 *chip = snd_timer_chip(timer);
|
| 716 |
|
|
|
| 717 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 718 |
|
|
chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE;
|
| 719 |
|
|
snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
|
| 720 |
|
|
chip->image[CS4231_ALT_FEATURE_1]);
|
| 721 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 722 |
|
|
|
| 723 |
|
|
return 0;
|
| 724 |
|
|
}
|
| 725 |
|
|
|
| 726 |
|
|
static void __init snd_cs4231_init(struct snd_cs4231 *chip)
|
| 727 |
|
|
{
|
| 728 |
|
|
unsigned long flags;
|
| 729 |
|
|
|
| 730 |
|
|
snd_cs4231_mce_down(chip);
|
| 731 |
|
|
|
| 732 |
|
|
#ifdef SNDRV_DEBUG_MCE
|
| 733 |
|
|
snd_printdd("init: (1)\n");
|
| 734 |
|
|
#endif
|
| 735 |
|
|
snd_cs4231_mce_up(chip);
|
| 736 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 737 |
|
|
chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE |
|
| 738 |
|
|
CS4231_PLAYBACK_PIO |
|
| 739 |
|
|
CS4231_RECORD_ENABLE |
|
| 740 |
|
|
CS4231_RECORD_PIO |
|
| 741 |
|
|
CS4231_CALIB_MODE);
|
| 742 |
|
|
chip->image[CS4231_IFACE_CTRL] |= CS4231_AUTOCALIB;
|
| 743 |
|
|
snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]);
|
| 744 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 745 |
|
|
snd_cs4231_mce_down(chip);
|
| 746 |
|
|
|
| 747 |
|
|
#ifdef SNDRV_DEBUG_MCE
|
| 748 |
|
|
snd_printdd("init: (2)\n");
|
| 749 |
|
|
#endif
|
| 750 |
|
|
|
| 751 |
|
|
snd_cs4231_mce_up(chip);
|
| 752 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 753 |
|
|
snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
|
| 754 |
|
|
chip->image[CS4231_ALT_FEATURE_1]);
|
| 755 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 756 |
|
|
snd_cs4231_mce_down(chip);
|
| 757 |
|
|
|
| 758 |
|
|
#ifdef SNDRV_DEBUG_MCE
|
| 759 |
|
|
snd_printdd("init: (3) - afei = 0x%x\n",
|
| 760 |
|
|
chip->image[CS4231_ALT_FEATURE_1]);
|
| 761 |
|
|
#endif
|
| 762 |
|
|
|
| 763 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 764 |
|
|
snd_cs4231_out(chip, CS4231_ALT_FEATURE_2,
|
| 765 |
|
|
chip->image[CS4231_ALT_FEATURE_2]);
|
| 766 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 767 |
|
|
|
| 768 |
|
|
snd_cs4231_mce_up(chip);
|
| 769 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 770 |
|
|
snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT,
|
| 771 |
|
|
chip->image[CS4231_PLAYBK_FORMAT]);
|
| 772 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 773 |
|
|
snd_cs4231_mce_down(chip);
|
| 774 |
|
|
|
| 775 |
|
|
#ifdef SNDRV_DEBUG_MCE
|
| 776 |
|
|
snd_printdd("init: (4)\n");
|
| 777 |
|
|
#endif
|
| 778 |
|
|
|
| 779 |
|
|
snd_cs4231_mce_up(chip);
|
| 780 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 781 |
|
|
snd_cs4231_out(chip, CS4231_REC_FORMAT, chip->image[CS4231_REC_FORMAT]);
|
| 782 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 783 |
|
|
snd_cs4231_mce_down(chip);
|
| 784 |
|
|
|
| 785 |
|
|
#ifdef SNDRV_DEBUG_MCE
|
| 786 |
|
|
snd_printdd("init: (5)\n");
|
| 787 |
|
|
#endif
|
| 788 |
|
|
}
|
| 789 |
|
|
|
| 790 |
|
|
static int snd_cs4231_open(struct snd_cs4231 *chip, unsigned int mode)
|
| 791 |
|
|
{
|
| 792 |
|
|
unsigned long flags;
|
| 793 |
|
|
|
| 794 |
|
|
mutex_lock(&chip->open_mutex);
|
| 795 |
|
|
if ((chip->mode & mode)) {
|
| 796 |
|
|
mutex_unlock(&chip->open_mutex);
|
| 797 |
|
|
return -EAGAIN;
|
| 798 |
|
|
}
|
| 799 |
|
|
if (chip->mode & CS4231_MODE_OPEN) {
|
| 800 |
|
|
chip->mode |= mode;
|
| 801 |
|
|
mutex_unlock(&chip->open_mutex);
|
| 802 |
|
|
return 0;
|
| 803 |
|
|
}
|
| 804 |
|
|
/* ok. now enable and ack CODEC IRQ */
|
| 805 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 806 |
|
|
snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ |
|
| 807 |
|
|
CS4231_RECORD_IRQ |
|
| 808 |
|
|
CS4231_TIMER_IRQ);
|
| 809 |
|
|
snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
|
| 810 |
|
|
__cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
|
| 811 |
|
|
__cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
|
| 812 |
|
|
|
| 813 |
|
|
snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ |
|
| 814 |
|
|
CS4231_RECORD_IRQ |
|
| 815 |
|
|
CS4231_TIMER_IRQ);
|
| 816 |
|
|
snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
|
| 817 |
|
|
|
| 818 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 819 |
|
|
|
| 820 |
|
|
chip->mode = mode;
|
| 821 |
|
|
mutex_unlock(&chip->open_mutex);
|
| 822 |
|
|
return 0;
|
| 823 |
|
|
}
|
| 824 |
|
|
|
| 825 |
|
|
static void snd_cs4231_close(struct snd_cs4231 *chip, unsigned int mode)
|
| 826 |
|
|
{
|
| 827 |
|
|
unsigned long flags;
|
| 828 |
|
|
|
| 829 |
|
|
mutex_lock(&chip->open_mutex);
|
| 830 |
|
|
chip->mode &= ~mode;
|
| 831 |
|
|
if (chip->mode & CS4231_MODE_OPEN) {
|
| 832 |
|
|
mutex_unlock(&chip->open_mutex);
|
| 833 |
|
|
return;
|
| 834 |
|
|
}
|
| 835 |
|
|
snd_cs4231_calibrate_mute(chip, 1);
|
| 836 |
|
|
|
| 837 |
|
|
/* disable IRQ */
|
| 838 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 839 |
|
|
snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
|
| 840 |
|
|
__cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
|
| 841 |
|
|
__cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
|
| 842 |
|
|
|
| 843 |
|
|
/* now disable record & playback */
|
| 844 |
|
|
|
| 845 |
|
|
if (chip->image[CS4231_IFACE_CTRL] &
|
| 846 |
|
|
(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO |
|
| 847 |
|
|
CS4231_RECORD_ENABLE | CS4231_RECORD_PIO)) {
|
| 848 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 849 |
|
|
snd_cs4231_mce_up(chip);
|
| 850 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 851 |
|
|
chip->image[CS4231_IFACE_CTRL] &=
|
| 852 |
|
|
~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO |
|
| 853 |
|
|
CS4231_RECORD_ENABLE | CS4231_RECORD_PIO);
|
| 854 |
|
|
snd_cs4231_out(chip, CS4231_IFACE_CTRL,
|
| 855 |
|
|
chip->image[CS4231_IFACE_CTRL]);
|
| 856 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 857 |
|
|
snd_cs4231_mce_down(chip);
|
| 858 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 859 |
|
|
}
|
| 860 |
|
|
|
| 861 |
|
|
/* clear IRQ again */
|
| 862 |
|
|
snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
|
| 863 |
|
|
__cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
|
| 864 |
|
|
__cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
|
| 865 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 866 |
|
|
|
| 867 |
|
|
snd_cs4231_calibrate_mute(chip, 0);
|
| 868 |
|
|
|
| 869 |
|
|
chip->mode = 0;
|
| 870 |
|
|
mutex_unlock(&chip->open_mutex);
|
| 871 |
|
|
}
|
| 872 |
|
|
|
| 873 |
|
|
/*
|
| 874 |
|
|
* timer open/close
|
| 875 |
|
|
*/
|
| 876 |
|
|
|
| 877 |
|
|
static int snd_cs4231_timer_open(struct snd_timer *timer)
|
| 878 |
|
|
{
|
| 879 |
|
|
struct snd_cs4231 *chip = snd_timer_chip(timer);
|
| 880 |
|
|
snd_cs4231_open(chip, CS4231_MODE_TIMER);
|
| 881 |
|
|
return 0;
|
| 882 |
|
|
}
|
| 883 |
|
|
|
| 884 |
|
|
static int snd_cs4231_timer_close(struct snd_timer *timer)
|
| 885 |
|
|
{
|
| 886 |
|
|
struct snd_cs4231 *chip = snd_timer_chip(timer);
|
| 887 |
|
|
snd_cs4231_close(chip, CS4231_MODE_TIMER);
|
| 888 |
|
|
return 0;
|
| 889 |
|
|
}
|
| 890 |
|
|
|
| 891 |
|
|
static struct snd_timer_hardware snd_cs4231_timer_table = {
|
| 892 |
|
|
.flags = SNDRV_TIMER_HW_AUTO,
|
| 893 |
|
|
.resolution = 9945,
|
| 894 |
|
|
.ticks = 65535,
|
| 895 |
|
|
.open = snd_cs4231_timer_open,
|
| 896 |
|
|
.close = snd_cs4231_timer_close,
|
| 897 |
|
|
.c_resolution = snd_cs4231_timer_resolution,
|
| 898 |
|
|
.start = snd_cs4231_timer_start,
|
| 899 |
|
|
.stop = snd_cs4231_timer_stop,
|
| 900 |
|
|
};
|
| 901 |
|
|
|
| 902 |
|
|
/*
|
| 903 |
|
|
* ok.. exported functions..
|
| 904 |
|
|
*/
|
| 905 |
|
|
|
| 906 |
|
|
static int snd_cs4231_playback_hw_params(struct snd_pcm_substream *substream,
|
| 907 |
|
|
struct snd_pcm_hw_params *hw_params)
|
| 908 |
|
|
{
|
| 909 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 910 |
|
|
unsigned char new_pdfr;
|
| 911 |
|
|
int err;
|
| 912 |
|
|
|
| 913 |
|
|
err = snd_pcm_lib_malloc_pages(substream,
|
| 914 |
|
|
params_buffer_bytes(hw_params));
|
| 915 |
|
|
if (err < 0)
|
| 916 |
|
|
return err;
|
| 917 |
|
|
new_pdfr = snd_cs4231_get_format(chip, params_format(hw_params),
|
| 918 |
|
|
params_channels(hw_params)) |
|
| 919 |
|
|
snd_cs4231_get_rate(params_rate(hw_params));
|
| 920 |
|
|
snd_cs4231_playback_format(chip, hw_params, new_pdfr);
|
| 921 |
|
|
|
| 922 |
|
|
return 0;
|
| 923 |
|
|
}
|
| 924 |
|
|
|
| 925 |
|
|
static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream)
|
| 926 |
|
|
{
|
| 927 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 928 |
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
| 929 |
|
|
unsigned long flags;
|
| 930 |
|
|
|
| 931 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 932 |
|
|
|
| 933 |
|
|
chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE |
|
| 934 |
|
|
CS4231_PLAYBACK_PIO);
|
| 935 |
|
|
|
| 936 |
|
|
BUG_ON(runtime->period_size > 0xffff + 1);
|
| 937 |
|
|
|
| 938 |
|
|
chip->p_periods_sent = 0;
|
| 939 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 940 |
|
|
|
| 941 |
|
|
return 0;
|
| 942 |
|
|
}
|
| 943 |
|
|
|
| 944 |
|
|
static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream,
|
| 945 |
|
|
struct snd_pcm_hw_params *hw_params)
|
| 946 |
|
|
{
|
| 947 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 948 |
|
|
unsigned char new_cdfr;
|
| 949 |
|
|
int err;
|
| 950 |
|
|
|
| 951 |
|
|
err = snd_pcm_lib_malloc_pages(substream,
|
| 952 |
|
|
params_buffer_bytes(hw_params));
|
| 953 |
|
|
if (err < 0)
|
| 954 |
|
|
return err;
|
| 955 |
|
|
new_cdfr = snd_cs4231_get_format(chip, params_format(hw_params),
|
| 956 |
|
|
params_channels(hw_params)) |
|
| 957 |
|
|
snd_cs4231_get_rate(params_rate(hw_params));
|
| 958 |
|
|
snd_cs4231_capture_format(chip, hw_params, new_cdfr);
|
| 959 |
|
|
|
| 960 |
|
|
return 0;
|
| 961 |
|
|
}
|
| 962 |
|
|
|
| 963 |
|
|
static int snd_cs4231_capture_prepare(struct snd_pcm_substream *substream)
|
| 964 |
|
|
{
|
| 965 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 966 |
|
|
unsigned long flags;
|
| 967 |
|
|
|
| 968 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 969 |
|
|
chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE |
|
| 970 |
|
|
CS4231_RECORD_PIO);
|
| 971 |
|
|
|
| 972 |
|
|
|
| 973 |
|
|
chip->c_periods_sent = 0;
|
| 974 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 975 |
|
|
|
| 976 |
|
|
return 0;
|
| 977 |
|
|
}
|
| 978 |
|
|
|
| 979 |
|
|
static void snd_cs4231_overrange(struct snd_cs4231 *chip)
|
| 980 |
|
|
{
|
| 981 |
|
|
unsigned long flags;
|
| 982 |
|
|
unsigned char res;
|
| 983 |
|
|
|
| 984 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 985 |
|
|
res = snd_cs4231_in(chip, CS4231_TEST_INIT);
|
| 986 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 987 |
|
|
|
| 988 |
|
|
/* detect overrange only above 0dB; may be user selectable? */
|
| 989 |
|
|
if (res & (0x08 | 0x02))
|
| 990 |
|
|
chip->capture_substream->runtime->overrange++;
|
| 991 |
|
|
}
|
| 992 |
|
|
|
| 993 |
|
|
static void snd_cs4231_play_callback(struct snd_cs4231 *chip)
|
| 994 |
|
|
{
|
| 995 |
|
|
if (chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE) {
|
| 996 |
|
|
snd_pcm_period_elapsed(chip->playback_substream);
|
| 997 |
|
|
snd_cs4231_advance_dma(&chip->p_dma, chip->playback_substream,
|
| 998 |
|
|
&chip->p_periods_sent);
|
| 999 |
|
|
}
|
| 1000 |
|
|
}
|
| 1001 |
|
|
|
| 1002 |
|
|
static void snd_cs4231_capture_callback(struct snd_cs4231 *chip)
|
| 1003 |
|
|
{
|
| 1004 |
|
|
if (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) {
|
| 1005 |
|
|
snd_pcm_period_elapsed(chip->capture_substream);
|
| 1006 |
|
|
snd_cs4231_advance_dma(&chip->c_dma, chip->capture_substream,
|
| 1007 |
|
|
&chip->c_periods_sent);
|
| 1008 |
|
|
}
|
| 1009 |
|
|
}
|
| 1010 |
|
|
|
| 1011 |
|
|
static snd_pcm_uframes_t snd_cs4231_playback_pointer(
|
| 1012 |
|
|
struct snd_pcm_substream *substream)
|
| 1013 |
|
|
{
|
| 1014 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 1015 |
|
|
struct cs4231_dma_control *dma_cont = &chip->p_dma;
|
| 1016 |
|
|
size_t ptr;
|
| 1017 |
|
|
|
| 1018 |
|
|
if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE))
|
| 1019 |
|
|
return 0;
|
| 1020 |
|
|
ptr = dma_cont->address(dma_cont);
|
| 1021 |
|
|
if (ptr != 0)
|
| 1022 |
|
|
ptr -= substream->runtime->dma_addr;
|
| 1023 |
|
|
|
| 1024 |
|
|
return bytes_to_frames(substream->runtime, ptr);
|
| 1025 |
|
|
}
|
| 1026 |
|
|
|
| 1027 |
|
|
static snd_pcm_uframes_t snd_cs4231_capture_pointer(
|
| 1028 |
|
|
struct snd_pcm_substream *substream)
|
| 1029 |
|
|
{
|
| 1030 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 1031 |
|
|
struct cs4231_dma_control *dma_cont = &chip->c_dma;
|
| 1032 |
|
|
size_t ptr;
|
| 1033 |
|
|
|
| 1034 |
|
|
if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE))
|
| 1035 |
|
|
return 0;
|
| 1036 |
|
|
ptr = dma_cont->address(dma_cont);
|
| 1037 |
|
|
if (ptr != 0)
|
| 1038 |
|
|
ptr -= substream->runtime->dma_addr;
|
| 1039 |
|
|
|
| 1040 |
|
|
return bytes_to_frames(substream->runtime, ptr);
|
| 1041 |
|
|
}
|
| 1042 |
|
|
|
| 1043 |
|
|
static int __init snd_cs4231_probe(struct snd_cs4231 *chip)
|
| 1044 |
|
|
{
|
| 1045 |
|
|
unsigned long flags;
|
| 1046 |
|
|
int i;
|
| 1047 |
|
|
int id = 0;
|
| 1048 |
|
|
int vers = 0;
|
| 1049 |
|
|
unsigned char *ptr;
|
| 1050 |
|
|
|
| 1051 |
|
|
for (i = 0; i < 50; i++) {
|
| 1052 |
|
|
mb();
|
| 1053 |
|
|
if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
|
| 1054 |
|
|
msleep(2);
|
| 1055 |
|
|
else {
|
| 1056 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 1057 |
|
|
snd_cs4231_out(chip, CS4231_MISC_INFO, CS4231_MODE2);
|
| 1058 |
|
|
id = snd_cs4231_in(chip, CS4231_MISC_INFO) & 0x0f;
|
| 1059 |
|
|
vers = snd_cs4231_in(chip, CS4231_VERSION);
|
| 1060 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 1061 |
|
|
if (id == 0x0a)
|
| 1062 |
|
|
break; /* this is valid value */
|
| 1063 |
|
|
}
|
| 1064 |
|
|
}
|
| 1065 |
|
|
snd_printdd("cs4231: port = %p, id = 0x%x\n", chip->port, id);
|
| 1066 |
|
|
if (id != 0x0a)
|
| 1067 |
|
|
return -ENODEV; /* no valid device found */
|
| 1068 |
|
|
|
| 1069 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 1070 |
|
|
|
| 1071 |
|
|
/* clear any pendings IRQ */
|
| 1072 |
|
|
__cs4231_readb(chip, CS4231U(chip, STATUS));
|
| 1073 |
|
|
__cs4231_writeb(chip, 0, CS4231U(chip, STATUS));
|
| 1074 |
|
|
mb();
|
| 1075 |
|
|
|
| 1076 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 1077 |
|
|
|
| 1078 |
|
|
chip->image[CS4231_MISC_INFO] = CS4231_MODE2;
|
| 1079 |
|
|
chip->image[CS4231_IFACE_CTRL] =
|
| 1080 |
|
|
chip->image[CS4231_IFACE_CTRL] & ~CS4231_SINGLE_DMA;
|
| 1081 |
|
|
chip->image[CS4231_ALT_FEATURE_1] = 0x80;
|
| 1082 |
|
|
chip->image[CS4231_ALT_FEATURE_2] = 0x01;
|
| 1083 |
|
|
if (vers & 0x20)
|
| 1084 |
|
|
chip->image[CS4231_ALT_FEATURE_2] |= 0x02;
|
| 1085 |
|
|
|
| 1086 |
|
|
ptr = (unsigned char *) &chip->image;
|
| 1087 |
|
|
|
| 1088 |
|
|
snd_cs4231_mce_down(chip);
|
| 1089 |
|
|
|
| 1090 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 1091 |
|
|
|
| 1092 |
|
|
for (i = 0; i < 32; i++) /* ok.. fill all CS4231 registers */
|
| 1093 |
|
|
snd_cs4231_out(chip, i, *ptr++);
|
| 1094 |
|
|
|
| 1095 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 1096 |
|
|
|
| 1097 |
|
|
snd_cs4231_mce_up(chip);
|
| 1098 |
|
|
|
| 1099 |
|
|
snd_cs4231_mce_down(chip);
|
| 1100 |
|
|
|
| 1101 |
|
|
mdelay(2);
|
| 1102 |
|
|
|
| 1103 |
|
|
return 0; /* all things are ok.. */
|
| 1104 |
|
|
}
|
| 1105 |
|
|
|
| 1106 |
|
|
static struct snd_pcm_hardware snd_cs4231_playback = {
|
| 1107 |
|
|
.info = SNDRV_PCM_INFO_MMAP |
|
| 1108 |
|
|
SNDRV_PCM_INFO_INTERLEAVED |
|
| 1109 |
|
|
SNDRV_PCM_INFO_MMAP_VALID |
|
| 1110 |
|
|
SNDRV_PCM_INFO_SYNC_START,
|
| 1111 |
|
|
.formats = SNDRV_PCM_FMTBIT_MU_LAW |
|
| 1112 |
|
|
SNDRV_PCM_FMTBIT_A_LAW |
|
| 1113 |
|
|
SNDRV_PCM_FMTBIT_IMA_ADPCM |
|
| 1114 |
|
|
SNDRV_PCM_FMTBIT_U8 |
|
| 1115 |
|
|
SNDRV_PCM_FMTBIT_S16_LE |
|
| 1116 |
|
|
SNDRV_PCM_FMTBIT_S16_BE,
|
| 1117 |
|
|
.rates = SNDRV_PCM_RATE_KNOT |
|
| 1118 |
|
|
SNDRV_PCM_RATE_8000_48000,
|
| 1119 |
|
|
.rate_min = 5510,
|
| 1120 |
|
|
.rate_max = 48000,
|
| 1121 |
|
|
.channels_min = 1,
|
| 1122 |
|
|
.channels_max = 2,
|
| 1123 |
|
|
.buffer_bytes_max = 32 * 1024,
|
| 1124 |
|
|
.period_bytes_min = 64,
|
| 1125 |
|
|
.period_bytes_max = 32 * 1024,
|
| 1126 |
|
|
.periods_min = 1,
|
| 1127 |
|
|
.periods_max = 1024,
|
| 1128 |
|
|
};
|
| 1129 |
|
|
|
| 1130 |
|
|
static struct snd_pcm_hardware snd_cs4231_capture = {
|
| 1131 |
|
|
.info = SNDRV_PCM_INFO_MMAP |
|
| 1132 |
|
|
SNDRV_PCM_INFO_INTERLEAVED |
|
| 1133 |
|
|
SNDRV_PCM_INFO_MMAP_VALID |
|
| 1134 |
|
|
SNDRV_PCM_INFO_SYNC_START,
|
| 1135 |
|
|
.formats = SNDRV_PCM_FMTBIT_MU_LAW |
|
| 1136 |
|
|
SNDRV_PCM_FMTBIT_A_LAW |
|
| 1137 |
|
|
SNDRV_PCM_FMTBIT_IMA_ADPCM |
|
| 1138 |
|
|
SNDRV_PCM_FMTBIT_U8 |
|
| 1139 |
|
|
SNDRV_PCM_FMTBIT_S16_LE |
|
| 1140 |
|
|
SNDRV_PCM_FMTBIT_S16_BE,
|
| 1141 |
|
|
.rates = SNDRV_PCM_RATE_KNOT |
|
| 1142 |
|
|
SNDRV_PCM_RATE_8000_48000,
|
| 1143 |
|
|
.rate_min = 5510,
|
| 1144 |
|
|
.rate_max = 48000,
|
| 1145 |
|
|
.channels_min = 1,
|
| 1146 |
|
|
.channels_max = 2,
|
| 1147 |
|
|
.buffer_bytes_max = 32 * 1024,
|
| 1148 |
|
|
.period_bytes_min = 64,
|
| 1149 |
|
|
.period_bytes_max = 32 * 1024,
|
| 1150 |
|
|
.periods_min = 1,
|
| 1151 |
|
|
.periods_max = 1024,
|
| 1152 |
|
|
};
|
| 1153 |
|
|
|
| 1154 |
|
|
static int snd_cs4231_playback_open(struct snd_pcm_substream *substream)
|
| 1155 |
|
|
{
|
| 1156 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 1157 |
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
| 1158 |
|
|
int err;
|
| 1159 |
|
|
|
| 1160 |
|
|
runtime->hw = snd_cs4231_playback;
|
| 1161 |
|
|
|
| 1162 |
|
|
err = snd_cs4231_open(chip, CS4231_MODE_PLAY);
|
| 1163 |
|
|
if (err < 0) {
|
| 1164 |
|
|
snd_free_pages(runtime->dma_area, runtime->dma_bytes);
|
| 1165 |
|
|
return err;
|
| 1166 |
|
|
}
|
| 1167 |
|
|
chip->playback_substream = substream;
|
| 1168 |
|
|
chip->p_periods_sent = 0;
|
| 1169 |
|
|
snd_pcm_set_sync(substream);
|
| 1170 |
|
|
snd_cs4231_xrate(runtime);
|
| 1171 |
|
|
|
| 1172 |
|
|
return 0;
|
| 1173 |
|
|
}
|
| 1174 |
|
|
|
| 1175 |
|
|
static int snd_cs4231_capture_open(struct snd_pcm_substream *substream)
|
| 1176 |
|
|
{
|
| 1177 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 1178 |
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
| 1179 |
|
|
int err;
|
| 1180 |
|
|
|
| 1181 |
|
|
runtime->hw = snd_cs4231_capture;
|
| 1182 |
|
|
|
| 1183 |
|
|
err = snd_cs4231_open(chip, CS4231_MODE_RECORD);
|
| 1184 |
|
|
if (err < 0) {
|
| 1185 |
|
|
snd_free_pages(runtime->dma_area, runtime->dma_bytes);
|
| 1186 |
|
|
return err;
|
| 1187 |
|
|
}
|
| 1188 |
|
|
chip->capture_substream = substream;
|
| 1189 |
|
|
chip->c_periods_sent = 0;
|
| 1190 |
|
|
snd_pcm_set_sync(substream);
|
| 1191 |
|
|
snd_cs4231_xrate(runtime);
|
| 1192 |
|
|
|
| 1193 |
|
|
return 0;
|
| 1194 |
|
|
}
|
| 1195 |
|
|
|
| 1196 |
|
|
static int snd_cs4231_playback_close(struct snd_pcm_substream *substream)
|
| 1197 |
|
|
{
|
| 1198 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 1199 |
|
|
|
| 1200 |
|
|
snd_cs4231_close(chip, CS4231_MODE_PLAY);
|
| 1201 |
|
|
chip->playback_substream = NULL;
|
| 1202 |
|
|
|
| 1203 |
|
|
return 0;
|
| 1204 |
|
|
}
|
| 1205 |
|
|
|
| 1206 |
|
|
static int snd_cs4231_capture_close(struct snd_pcm_substream *substream)
|
| 1207 |
|
|
{
|
| 1208 |
|
|
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
|
| 1209 |
|
|
|
| 1210 |
|
|
snd_cs4231_close(chip, CS4231_MODE_RECORD);
|
| 1211 |
|
|
chip->capture_substream = NULL;
|
| 1212 |
|
|
|
| 1213 |
|
|
return 0;
|
| 1214 |
|
|
}
|
| 1215 |
|
|
|
| 1216 |
|
|
/* XXX We can do some power-management, in particular on EBUS using
|
| 1217 |
|
|
* XXX the audio AUXIO register...
|
| 1218 |
|
|
*/
|
| 1219 |
|
|
|
| 1220 |
|
|
static struct snd_pcm_ops snd_cs4231_playback_ops = {
|
| 1221 |
|
|
.open = snd_cs4231_playback_open,
|
| 1222 |
|
|
.close = snd_cs4231_playback_close,
|
| 1223 |
|
|
.ioctl = snd_pcm_lib_ioctl,
|
| 1224 |
|
|
.hw_params = snd_cs4231_playback_hw_params,
|
| 1225 |
|
|
.hw_free = snd_pcm_lib_free_pages,
|
| 1226 |
|
|
.prepare = snd_cs4231_playback_prepare,
|
| 1227 |
|
|
.trigger = snd_cs4231_trigger,
|
| 1228 |
|
|
.pointer = snd_cs4231_playback_pointer,
|
| 1229 |
|
|
};
|
| 1230 |
|
|
|
| 1231 |
|
|
static struct snd_pcm_ops snd_cs4231_capture_ops = {
|
| 1232 |
|
|
.open = snd_cs4231_capture_open,
|
| 1233 |
|
|
.close = snd_cs4231_capture_close,
|
| 1234 |
|
|
.ioctl = snd_pcm_lib_ioctl,
|
| 1235 |
|
|
.hw_params = snd_cs4231_capture_hw_params,
|
| 1236 |
|
|
.hw_free = snd_pcm_lib_free_pages,
|
| 1237 |
|
|
.prepare = snd_cs4231_capture_prepare,
|
| 1238 |
|
|
.trigger = snd_cs4231_trigger,
|
| 1239 |
|
|
.pointer = snd_cs4231_capture_pointer,
|
| 1240 |
|
|
};
|
| 1241 |
|
|
|
| 1242 |
|
|
static int __init snd_cs4231_pcm(struct snd_card *card)
|
| 1243 |
|
|
{
|
| 1244 |
|
|
struct snd_cs4231 *chip = card->private_data;
|
| 1245 |
|
|
struct snd_pcm *pcm;
|
| 1246 |
|
|
int err;
|
| 1247 |
|
|
|
| 1248 |
|
|
err = snd_pcm_new(card, "CS4231", 0, 1, 1, &pcm);
|
| 1249 |
|
|
if (err < 0)
|
| 1250 |
|
|
return err;
|
| 1251 |
|
|
|
| 1252 |
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
|
| 1253 |
|
|
&snd_cs4231_playback_ops);
|
| 1254 |
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
|
| 1255 |
|
|
&snd_cs4231_capture_ops);
|
| 1256 |
|
|
|
| 1257 |
|
|
/* global setup */
|
| 1258 |
|
|
pcm->private_data = chip;
|
| 1259 |
|
|
pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
|
| 1260 |
|
|
strcpy(pcm->name, "CS4231");
|
| 1261 |
|
|
|
| 1262 |
|
|
chip->p_dma.preallocate(chip, pcm);
|
| 1263 |
|
|
|
| 1264 |
|
|
chip->pcm = pcm;
|
| 1265 |
|
|
|
| 1266 |
|
|
return 0;
|
| 1267 |
|
|
}
|
| 1268 |
|
|
|
| 1269 |
|
|
static int __init snd_cs4231_timer(struct snd_card *card)
|
| 1270 |
|
|
{
|
| 1271 |
|
|
struct snd_cs4231 *chip = card->private_data;
|
| 1272 |
|
|
struct snd_timer *timer;
|
| 1273 |
|
|
struct snd_timer_id tid;
|
| 1274 |
|
|
int err;
|
| 1275 |
|
|
|
| 1276 |
|
|
/* Timer initialization */
|
| 1277 |
|
|
tid.dev_class = SNDRV_TIMER_CLASS_CARD;
|
| 1278 |
|
|
tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
|
| 1279 |
|
|
tid.card = card->number;
|
| 1280 |
|
|
tid.device = 0;
|
| 1281 |
|
|
tid.subdevice = 0;
|
| 1282 |
|
|
err = snd_timer_new(card, "CS4231", &tid, &timer);
|
| 1283 |
|
|
if (err < 0)
|
| 1284 |
|
|
return err;
|
| 1285 |
|
|
strcpy(timer->name, "CS4231");
|
| 1286 |
|
|
timer->private_data = chip;
|
| 1287 |
|
|
timer->hw = snd_cs4231_timer_table;
|
| 1288 |
|
|
chip->timer = timer;
|
| 1289 |
|
|
|
| 1290 |
|
|
return 0;
|
| 1291 |
|
|
}
|
| 1292 |
|
|
|
| 1293 |
|
|
/*
|
| 1294 |
|
|
* MIXER part
|
| 1295 |
|
|
*/
|
| 1296 |
|
|
|
| 1297 |
|
|
static int snd_cs4231_info_mux(struct snd_kcontrol *kcontrol,
|
| 1298 |
|
|
struct snd_ctl_elem_info *uinfo)
|
| 1299 |
|
|
{
|
| 1300 |
|
|
static char *texts[4] = {
|
| 1301 |
|
|
"Line", "CD", "Mic", "Mix"
|
| 1302 |
|
|
};
|
| 1303 |
|
|
|
| 1304 |
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
|
| 1305 |
|
|
uinfo->count = 2;
|
| 1306 |
|
|
uinfo->value.enumerated.items = 4;
|
| 1307 |
|
|
if (uinfo->value.enumerated.item > 3)
|
| 1308 |
|
|
uinfo->value.enumerated.item = 3;
|
| 1309 |
|
|
strcpy(uinfo->value.enumerated.name,
|
| 1310 |
|
|
texts[uinfo->value.enumerated.item]);
|
| 1311 |
|
|
|
| 1312 |
|
|
return 0;
|
| 1313 |
|
|
}
|
| 1314 |
|
|
|
| 1315 |
|
|
static int snd_cs4231_get_mux(struct snd_kcontrol *kcontrol,
|
| 1316 |
|
|
struct snd_ctl_elem_value *ucontrol)
|
| 1317 |
|
|
{
|
| 1318 |
|
|
struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
|
| 1319 |
|
|
unsigned long flags;
|
| 1320 |
|
|
|
| 1321 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 1322 |
|
|
ucontrol->value.enumerated.item[0] =
|
| 1323 |
|
|
(chip->image[CS4231_LEFT_INPUT] & CS4231_MIXS_ALL) >> 6;
|
| 1324 |
|
|
ucontrol->value.enumerated.item[1] =
|
| 1325 |
|
|
(chip->image[CS4231_RIGHT_INPUT] & CS4231_MIXS_ALL) >> 6;
|
| 1326 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 1327 |
|
|
|
| 1328 |
|
|
return 0;
|
| 1329 |
|
|
}
|
| 1330 |
|
|
|
| 1331 |
|
|
static int snd_cs4231_put_mux(struct snd_kcontrol *kcontrol,
|
| 1332 |
|
|
struct snd_ctl_elem_value *ucontrol)
|
| 1333 |
|
|
{
|
| 1334 |
|
|
struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
|
| 1335 |
|
|
unsigned long flags;
|
| 1336 |
|
|
unsigned short left, right;
|
| 1337 |
|
|
int change;
|
| 1338 |
|
|
|
| 1339 |
|
|
if (ucontrol->value.enumerated.item[0] > 3 ||
|
| 1340 |
|
|
ucontrol->value.enumerated.item[1] > 3)
|
| 1341 |
|
|
return -EINVAL;
|
| 1342 |
|
|
left = ucontrol->value.enumerated.item[0] << 6;
|
| 1343 |
|
|
right = ucontrol->value.enumerated.item[1] << 6;
|
| 1344 |
|
|
|
| 1345 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 1346 |
|
|
|
| 1347 |
|
|
left = (chip->image[CS4231_LEFT_INPUT] & ~CS4231_MIXS_ALL) | left;
|
| 1348 |
|
|
right = (chip->image[CS4231_RIGHT_INPUT] & ~CS4231_MIXS_ALL) | right;
|
| 1349 |
|
|
change = left != chip->image[CS4231_LEFT_INPUT] ||
|
| 1350 |
|
|
right != chip->image[CS4231_RIGHT_INPUT];
|
| 1351 |
|
|
snd_cs4231_out(chip, CS4231_LEFT_INPUT, left);
|
| 1352 |
|
|
snd_cs4231_out(chip, CS4231_RIGHT_INPUT, right);
|
| 1353 |
|
|
|
| 1354 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 1355 |
|
|
|
| 1356 |
|
|
return change;
|
| 1357 |
|
|
}
|
| 1358 |
|
|
|
| 1359 |
|
|
static int snd_cs4231_info_single(struct snd_kcontrol *kcontrol,
|
| 1360 |
|
|
struct snd_ctl_elem_info *uinfo)
|
| 1361 |
|
|
{
|
| 1362 |
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
| 1363 |
|
|
|
| 1364 |
|
|
uinfo->type = (mask == 1) ?
|
| 1365 |
|
|
SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
|
| 1366 |
|
|
uinfo->count = 1;
|
| 1367 |
|
|
uinfo->value.integer.min = 0;
|
| 1368 |
|
|
uinfo->value.integer.max = mask;
|
| 1369 |
|
|
|
| 1370 |
|
|
return 0;
|
| 1371 |
|
|
}
|
| 1372 |
|
|
|
| 1373 |
|
|
static int snd_cs4231_get_single(struct snd_kcontrol *kcontrol,
|
| 1374 |
|
|
struct snd_ctl_elem_value *ucontrol)
|
| 1375 |
|
|
{
|
| 1376 |
|
|
struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
|
| 1377 |
|
|
unsigned long flags;
|
| 1378 |
|
|
int reg = kcontrol->private_value & 0xff;
|
| 1379 |
|
|
int shift = (kcontrol->private_value >> 8) & 0xff;
|
| 1380 |
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
| 1381 |
|
|
int invert = (kcontrol->private_value >> 24) & 0xff;
|
| 1382 |
|
|
|
| 1383 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 1384 |
|
|
|
| 1385 |
|
|
ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
|
| 1386 |
|
|
|
| 1387 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 1388 |
|
|
|
| 1389 |
|
|
if (invert)
|
| 1390 |
|
|
ucontrol->value.integer.value[0] =
|
| 1391 |
|
|
(mask - ucontrol->value.integer.value[0]);
|
| 1392 |
|
|
|
| 1393 |
|
|
return 0;
|
| 1394 |
|
|
}
|
| 1395 |
|
|
|
| 1396 |
|
|
static int snd_cs4231_put_single(struct snd_kcontrol *kcontrol,
|
| 1397 |
|
|
struct snd_ctl_elem_value *ucontrol)
|
| 1398 |
|
|
{
|
| 1399 |
|
|
struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
|
| 1400 |
|
|
unsigned long flags;
|
| 1401 |
|
|
int reg = kcontrol->private_value & 0xff;
|
| 1402 |
|
|
int shift = (kcontrol->private_value >> 8) & 0xff;
|
| 1403 |
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
| 1404 |
|
|
int invert = (kcontrol->private_value >> 24) & 0xff;
|
| 1405 |
|
|
int change;
|
| 1406 |
|
|
unsigned short val;
|
| 1407 |
|
|
|
| 1408 |
|
|
val = (ucontrol->value.integer.value[0] & mask);
|
| 1409 |
|
|
if (invert)
|
| 1410 |
|
|
val = mask - val;
|
| 1411 |
|
|
val <<= shift;
|
| 1412 |
|
|
|
| 1413 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 1414 |
|
|
|
| 1415 |
|
|
val = (chip->image[reg] & ~(mask << shift)) | val;
|
| 1416 |
|
|
change = val != chip->image[reg];
|
| 1417 |
|
|
snd_cs4231_out(chip, reg, val);
|
| 1418 |
|
|
|
| 1419 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 1420 |
|
|
|
| 1421 |
|
|
return change;
|
| 1422 |
|
|
}
|
| 1423 |
|
|
|
| 1424 |
|
|
static int snd_cs4231_info_double(struct snd_kcontrol *kcontrol,
|
| 1425 |
|
|
struct snd_ctl_elem_info *uinfo)
|
| 1426 |
|
|
{
|
| 1427 |
|
|
int mask = (kcontrol->private_value >> 24) & 0xff;
|
| 1428 |
|
|
|
| 1429 |
|
|
uinfo->type = mask == 1 ?
|
| 1430 |
|
|
SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
|
| 1431 |
|
|
uinfo->count = 2;
|
| 1432 |
|
|
uinfo->value.integer.min = 0;
|
| 1433 |
|
|
uinfo->value.integer.max = mask;
|
| 1434 |
|
|
|
| 1435 |
|
|
return 0;
|
| 1436 |
|
|
}
|
| 1437 |
|
|
|
| 1438 |
|
|
static int snd_cs4231_get_double(struct snd_kcontrol *kcontrol,
|
| 1439 |
|
|
struct snd_ctl_elem_value *ucontrol)
|
| 1440 |
|
|
{
|
| 1441 |
|
|
struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
|
| 1442 |
|
|
unsigned long flags;
|
| 1443 |
|
|
int left_reg = kcontrol->private_value & 0xff;
|
| 1444 |
|
|
int right_reg = (kcontrol->private_value >> 8) & 0xff;
|
| 1445 |
|
|
int shift_left = (kcontrol->private_value >> 16) & 0x07;
|
| 1446 |
|
|
int shift_right = (kcontrol->private_value >> 19) & 0x07;
|
| 1447 |
|
|
int mask = (kcontrol->private_value >> 24) & 0xff;
|
| 1448 |
|
|
int invert = (kcontrol->private_value >> 22) & 1;
|
| 1449 |
|
|
|
| 1450 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 1451 |
|
|
|
| 1452 |
|
|
ucontrol->value.integer.value[0] =
|
| 1453 |
|
|
(chip->image[left_reg] >> shift_left) & mask;
|
| 1454 |
|
|
ucontrol->value.integer.value[1] =
|
| 1455 |
|
|
(chip->image[right_reg] >> shift_right) & mask;
|
| 1456 |
|
|
|
| 1457 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 1458 |
|
|
|
| 1459 |
|
|
if (invert) {
|
| 1460 |
|
|
ucontrol->value.integer.value[0] =
|
| 1461 |
|
|
(mask - ucontrol->value.integer.value[0]);
|
| 1462 |
|
|
ucontrol->value.integer.value[1] =
|
| 1463 |
|
|
(mask - ucontrol->value.integer.value[1]);
|
| 1464 |
|
|
}
|
| 1465 |
|
|
|
| 1466 |
|
|
return 0;
|
| 1467 |
|
|
}
|
| 1468 |
|
|
|
| 1469 |
|
|
static int snd_cs4231_put_double(struct snd_kcontrol *kcontrol,
|
| 1470 |
|
|
struct snd_ctl_elem_value *ucontrol)
|
| 1471 |
|
|
{
|
| 1472 |
|
|
struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
|
| 1473 |
|
|
unsigned long flags;
|
| 1474 |
|
|
int left_reg = kcontrol->private_value & 0xff;
|
| 1475 |
|
|
int right_reg = (kcontrol->private_value >> 8) & 0xff;
|
| 1476 |
|
|
int shift_left = (kcontrol->private_value >> 16) & 0x07;
|
| 1477 |
|
|
int shift_right = (kcontrol->private_value >> 19) & 0x07;
|
| 1478 |
|
|
int mask = (kcontrol->private_value >> 24) & 0xff;
|
| 1479 |
|
|
int invert = (kcontrol->private_value >> 22) & 1;
|
| 1480 |
|
|
int change;
|
| 1481 |
|
|
unsigned short val1, val2;
|
| 1482 |
|
|
|
| 1483 |
|
|
val1 = ucontrol->value.integer.value[0] & mask;
|
| 1484 |
|
|
val2 = ucontrol->value.integer.value[1] & mask;
|
| 1485 |
|
|
if (invert) {
|
| 1486 |
|
|
val1 = mask - val1;
|
| 1487 |
|
|
val2 = mask - val2;
|
| 1488 |
|
|
}
|
| 1489 |
|
|
val1 <<= shift_left;
|
| 1490 |
|
|
val2 <<= shift_right;
|
| 1491 |
|
|
|
| 1492 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 1493 |
|
|
|
| 1494 |
|
|
val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
|
| 1495 |
|
|
val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
|
| 1496 |
|
|
change = val1 != chip->image[left_reg];
|
| 1497 |
|
|
change |= val2 != chip->image[right_reg];
|
| 1498 |
|
|
snd_cs4231_out(chip, left_reg, val1);
|
| 1499 |
|
|
snd_cs4231_out(chip, right_reg, val2);
|
| 1500 |
|
|
|
| 1501 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 1502 |
|
|
|
| 1503 |
|
|
return change;
|
| 1504 |
|
|
}
|
| 1505 |
|
|
|
| 1506 |
|
|
#define CS4231_SINGLE(xname, xindex, reg, shift, mask, invert) \
|
| 1507 |
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .index = (xindex), \
|
| 1508 |
|
|
.info = snd_cs4231_info_single, \
|
| 1509 |
|
|
.get = snd_cs4231_get_single, .put = snd_cs4231_put_single, \
|
| 1510 |
|
|
.private_value = (reg) | ((shift) << 8) | ((mask) << 16) | ((invert) << 24) }
|
| 1511 |
|
|
|
| 1512 |
|
|
#define CS4231_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, \
|
| 1513 |
|
|
shift_right, mask, invert) \
|
| 1514 |
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .index = (xindex), \
|
| 1515 |
|
|
.info = snd_cs4231_info_double, \
|
| 1516 |
|
|
.get = snd_cs4231_get_double, .put = snd_cs4231_put_double, \
|
| 1517 |
|
|
.private_value = (left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | \
|
| 1518 |
|
|
((shift_right) << 19) | ((mask) << 24) | ((invert) << 22) }
|
| 1519 |
|
|
|
| 1520 |
|
|
static struct snd_kcontrol_new snd_cs4231_controls[] __initdata = {
|
| 1521 |
|
|
CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT,
|
| 1522 |
|
|
CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
|
| 1523 |
|
|
CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT,
|
| 1524 |
|
|
CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
|
| 1525 |
|
|
CS4231_DOUBLE("Line Playback Switch", 0, CS4231_LEFT_LINE_IN,
|
| 1526 |
|
|
CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
|
| 1527 |
|
|
CS4231_DOUBLE("Line Playback Volume", 0, CS4231_LEFT_LINE_IN,
|
| 1528 |
|
|
CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
|
| 1529 |
|
|
CS4231_DOUBLE("Aux Playback Switch", 0, CS4231_AUX1_LEFT_INPUT,
|
| 1530 |
|
|
CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
|
| 1531 |
|
|
CS4231_DOUBLE("Aux Playback Volume", 0, CS4231_AUX1_LEFT_INPUT,
|
| 1532 |
|
|
CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
|
| 1533 |
|
|
CS4231_DOUBLE("Aux Playback Switch", 1, CS4231_AUX2_LEFT_INPUT,
|
| 1534 |
|
|
CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
|
| 1535 |
|
|
CS4231_DOUBLE("Aux Playback Volume", 1, CS4231_AUX2_LEFT_INPUT,
|
| 1536 |
|
|
CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
|
| 1537 |
|
|
CS4231_SINGLE("Mono Playback Switch", 0, CS4231_MONO_CTRL, 7, 1, 1),
|
| 1538 |
|
|
CS4231_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
|
| 1539 |
|
|
CS4231_SINGLE("Mono Output Playback Switch", 0, CS4231_MONO_CTRL, 6, 1, 1),
|
| 1540 |
|
|
CS4231_SINGLE("Mono Output Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0),
|
| 1541 |
|
|
CS4231_DOUBLE("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0,
|
| 1542 |
|
|
15, 0),
|
| 1543 |
|
|
{
|
| 1544 |
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
| 1545 |
|
|
.name = "Capture Source",
|
| 1546 |
|
|
.info = snd_cs4231_info_mux,
|
| 1547 |
|
|
.get = snd_cs4231_get_mux,
|
| 1548 |
|
|
.put = snd_cs4231_put_mux,
|
| 1549 |
|
|
},
|
| 1550 |
|
|
CS4231_DOUBLE("Mic Boost", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5,
|
| 1551 |
|
|
1, 0),
|
| 1552 |
|
|
CS4231_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
|
| 1553 |
|
|
CS4231_SINGLE("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1),
|
| 1554 |
|
|
/* SPARC specific uses of XCTL{0,1} general purpose outputs. */
|
| 1555 |
|
|
CS4231_SINGLE("Line Out Switch", 0, CS4231_PIN_CTRL, 6, 1, 1),
|
| 1556 |
|
|
CS4231_SINGLE("Headphone Out Switch", 0, CS4231_PIN_CTRL, 7, 1, 1)
|
| 1557 |
|
|
};
|
| 1558 |
|
|
|
| 1559 |
|
|
static int __init snd_cs4231_mixer(struct snd_card *card)
|
| 1560 |
|
|
{
|
| 1561 |
|
|
struct snd_cs4231 *chip = card->private_data;
|
| 1562 |
|
|
int err, idx;
|
| 1563 |
|
|
|
| 1564 |
|
|
snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL);
|
| 1565 |
|
|
|
| 1566 |
|
|
strcpy(card->mixername, chip->pcm->name);
|
| 1567 |
|
|
|
| 1568 |
|
|
for (idx = 0; idx < ARRAY_SIZE(snd_cs4231_controls); idx++) {
|
| 1569 |
|
|
err = snd_ctl_add(card,
|
| 1570 |
|
|
snd_ctl_new1(&snd_cs4231_controls[idx], chip));
|
| 1571 |
|
|
if (err < 0)
|
| 1572 |
|
|
return err;
|
| 1573 |
|
|
}
|
| 1574 |
|
|
return 0;
|
| 1575 |
|
|
}
|
| 1576 |
|
|
|
| 1577 |
|
|
static int dev;
|
| 1578 |
|
|
|
| 1579 |
|
|
static int __init cs4231_attach_begin(struct snd_card **rcard)
|
| 1580 |
|
|
{
|
| 1581 |
|
|
struct snd_card *card;
|
| 1582 |
|
|
struct snd_cs4231 *chip;
|
| 1583 |
|
|
|
| 1584 |
|
|
*rcard = NULL;
|
| 1585 |
|
|
|
| 1586 |
|
|
if (dev >= SNDRV_CARDS)
|
| 1587 |
|
|
return -ENODEV;
|
| 1588 |
|
|
|
| 1589 |
|
|
if (!enable[dev]) {
|
| 1590 |
|
|
dev++;
|
| 1591 |
|
|
return -ENOENT;
|
| 1592 |
|
|
}
|
| 1593 |
|
|
|
| 1594 |
|
|
card = snd_card_new(index[dev], id[dev], THIS_MODULE,
|
| 1595 |
|
|
sizeof(struct snd_cs4231));
|
| 1596 |
|
|
if (card == NULL)
|
| 1597 |
|
|
return -ENOMEM;
|
| 1598 |
|
|
|
| 1599 |
|
|
strcpy(card->driver, "CS4231");
|
| 1600 |
|
|
strcpy(card->shortname, "Sun CS4231");
|
| 1601 |
|
|
|
| 1602 |
|
|
chip = card->private_data;
|
| 1603 |
|
|
chip->card = card;
|
| 1604 |
|
|
|
| 1605 |
|
|
*rcard = card;
|
| 1606 |
|
|
return 0;
|
| 1607 |
|
|
}
|
| 1608 |
|
|
|
| 1609 |
|
|
static int __init cs4231_attach_finish(struct snd_card *card)
|
| 1610 |
|
|
{
|
| 1611 |
|
|
struct snd_cs4231 *chip = card->private_data;
|
| 1612 |
|
|
int err;
|
| 1613 |
|
|
|
| 1614 |
|
|
err = snd_cs4231_pcm(card);
|
| 1615 |
|
|
if (err < 0)
|
| 1616 |
|
|
goto out_err;
|
| 1617 |
|
|
|
| 1618 |
|
|
err = snd_cs4231_mixer(card);
|
| 1619 |
|
|
if (err < 0)
|
| 1620 |
|
|
goto out_err;
|
| 1621 |
|
|
|
| 1622 |
|
|
err = snd_cs4231_timer(card);
|
| 1623 |
|
|
if (err < 0)
|
| 1624 |
|
|
goto out_err;
|
| 1625 |
|
|
|
| 1626 |
|
|
err = snd_card_register(card);
|
| 1627 |
|
|
if (err < 0)
|
| 1628 |
|
|
goto out_err;
|
| 1629 |
|
|
|
| 1630 |
|
|
chip->next = cs4231_list;
|
| 1631 |
|
|
cs4231_list = chip;
|
| 1632 |
|
|
|
| 1633 |
|
|
dev++;
|
| 1634 |
|
|
return 0;
|
| 1635 |
|
|
|
| 1636 |
|
|
out_err:
|
| 1637 |
|
|
snd_card_free(card);
|
| 1638 |
|
|
return err;
|
| 1639 |
|
|
}
|
| 1640 |
|
|
|
| 1641 |
|
|
#ifdef SBUS_SUPPORT
|
| 1642 |
|
|
|
| 1643 |
|
|
static irqreturn_t snd_cs4231_sbus_interrupt(int irq, void *dev_id)
|
| 1644 |
|
|
{
|
| 1645 |
|
|
unsigned long flags;
|
| 1646 |
|
|
unsigned char status;
|
| 1647 |
|
|
u32 csr;
|
| 1648 |
|
|
struct snd_cs4231 *chip = dev_id;
|
| 1649 |
|
|
|
| 1650 |
|
|
/*This is IRQ is not raised by the cs4231*/
|
| 1651 |
|
|
if (!(__cs4231_readb(chip, CS4231U(chip, STATUS)) & CS4231_GLOBALIRQ))
|
| 1652 |
|
|
return IRQ_NONE;
|
| 1653 |
|
|
|
| 1654 |
|
|
/* ACK the APC interrupt. */
|
| 1655 |
|
|
csr = sbus_readl(chip->port + APCCSR);
|
| 1656 |
|
|
|
| 1657 |
|
|
sbus_writel(csr, chip->port + APCCSR);
|
| 1658 |
|
|
|
| 1659 |
|
|
if ((csr & APC_PDMA_READY) &&
|
| 1660 |
|
|
(csr & APC_PLAY_INT) &&
|
| 1661 |
|
|
(csr & APC_XINT_PNVA) &&
|
| 1662 |
|
|
!(csr & APC_XINT_EMPT))
|
| 1663 |
|
|
snd_cs4231_play_callback(chip);
|
| 1664 |
|
|
|
| 1665 |
|
|
if ((csr & APC_CDMA_READY) &&
|
| 1666 |
|
|
(csr & APC_CAPT_INT) &&
|
| 1667 |
|
|
(csr & APC_XINT_CNVA) &&
|
| 1668 |
|
|
!(csr & APC_XINT_EMPT))
|
| 1669 |
|
|
snd_cs4231_capture_callback(chip);
|
| 1670 |
|
|
|
| 1671 |
|
|
status = snd_cs4231_in(chip, CS4231_IRQ_STATUS);
|
| 1672 |
|
|
|
| 1673 |
|
|
if (status & CS4231_TIMER_IRQ) {
|
| 1674 |
|
|
if (chip->timer)
|
| 1675 |
|
|
snd_timer_interrupt(chip->timer, chip->timer->sticks);
|
| 1676 |
|
|
}
|
| 1677 |
|
|
|
| 1678 |
|
|
if ((status & CS4231_RECORD_IRQ) && (csr & APC_CDMA_READY))
|
| 1679 |
|
|
snd_cs4231_overrange(chip);
|
| 1680 |
|
|
|
| 1681 |
|
|
/* ACK the CS4231 interrupt. */
|
| 1682 |
|
|
spin_lock_irqsave(&chip->lock, flags);
|
| 1683 |
|
|
snd_cs4231_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0);
|
| 1684 |
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
| 1685 |
|
|
|
| 1686 |
|
|
return IRQ_HANDLED;
|
| 1687 |
|
|
}
|
| 1688 |
|
|
|
| 1689 |
|
|
/*
|
| 1690 |
|
|
* SBUS DMA routines
|
| 1691 |
|
|
*/
|
| 1692 |
|
|
|
| 1693 |
|
|
static int sbus_dma_request(struct cs4231_dma_control *dma_cont,
|
| 1694 |
|
|
dma_addr_t bus_addr, size_t len)
|
| 1695 |
|
|
{
|
| 1696 |
|
|
unsigned long flags;
|
| 1697 |
|
|
u32 test, csr;
|
| 1698 |
|
|
int err;
|
| 1699 |
|
|
struct sbus_dma_info *base = &dma_cont->sbus_info;
|
| 1700 |
|
|
|
| 1701 |
|
|
if (len >= (1 << 24))
|
| 1702 |
|
|
return -EINVAL;
|
| 1703 |
|
|
spin_lock_irqsave(&base->lock, flags);
|
| 1704 |
|
|
csr = sbus_readl(base->regs + APCCSR);
|
| 1705 |
|
|
err = -EINVAL;
|
| 1706 |
|
|
test = APC_CDMA_READY;
|
| 1707 |
|
|
if (base->dir == APC_PLAY)
|
| 1708 |
|
|
test = APC_PDMA_READY;
|
| 1709 |
|
|
if (!(csr & test))
|
| 1710 |
|
|
goto out;
|
| 1711 |
|
|
err = -EBUSY;
|
| 1712 |
|
|
test = APC_XINT_CNVA;
|
| 1713 |
|
|
if (base->dir == APC_PLAY)
|
| 1714 |
|
|
test = APC_XINT_PNVA;
|
| 1715 |
|
|
if (!(csr & test))
|
| 1716 |
|
|
goto out;
|
| 1717 |
|
|
err = 0;
|
| 1718 |
|
|
sbus_writel(bus_addr, base->regs + base->dir + APCNVA);
|
| 1719 |
|
|
sbus_writel(len, base->regs + base->dir + APCNC);
|
| 1720 |
|
|
out:
|
| 1721 |
|
|
spin_unlock_irqrestore(&base->lock, flags);
|
| 1722 |
|
|
return err;
|
| 1723 |
|
|
}
|
| 1724 |
|
|
|
| 1725 |
|
|
static void sbus_dma_prepare(struct cs4231_dma_control *dma_cont, int d)
|
| 1726 |
|
|
{
|
| 1727 |
|
|
unsigned long flags;
|
| 1728 |
|
|
u32 csr, test;
|
| 1729 |
|
|
struct sbus_dma_info *base = &dma_cont->sbus_info;
|
| 1730 |
|
|
|
| 1731 |
|
|
spin_lock_irqsave(&base->lock, flags);
|
| 1732 |
|
|
csr = sbus_readl(base->regs + APCCSR);
|
| 1733 |
|
|
test = APC_GENL_INT | APC_PLAY_INT | APC_XINT_ENA |
|
| 1734 |
|
|
APC_XINT_PLAY | APC_XINT_PEMP | APC_XINT_GENL |
|
| 1735 |
|
|
APC_XINT_PENA;
|
| 1736 |
|
|
if (base->dir == APC_RECORD)
|
| 1737 |
|
|
test = APC_GENL_INT | APC_CAPT_INT | APC_XINT_ENA |
|
| 1738 |
|
|
APC_XINT_CAPT | APC_XINT_CEMP | APC_XINT_GENL;
|
| 1739 |
|
|
csr |= test;
|
| 1740 |
|
|
sbus_writel(csr, base->regs + APCCSR);
|
| 1741 |
|
|
spin_unlock_irqrestore(&base->lock, flags);
|
| 1742 |
|
|
}
|
| 1743 |
|
|
|
| 1744 |
|
|
static void sbus_dma_enable(struct cs4231_dma_control *dma_cont, int on)
|
| 1745 |
|
|
{
|
| 1746 |
|
|
unsigned long flags;
|
| 1747 |
|
|
u32 csr, shift;
|
| 1748 |
|
|
struct sbus_dma_info *base = &dma_cont->sbus_info;
|
| 1749 |
|
|
|
| 1750 |
|
|
spin_lock_irqsave(&base->lock, flags);
|
| 1751 |
|
|
if (!on) {
|
| 1752 |
|
|
sbus_writel(0, base->regs + base->dir + APCNC);
|
| 1753 |
|
|
sbus_writel(0, base->regs + base->dir + APCNVA);
|
| 1754 |
|
|
if (base->dir == APC_PLAY) {
|
| 1755 |
|
|
sbus_writel(0, base->regs + base->dir + APCC);
|
| 1756 |
|
|
sbus_writel(0, base->regs + base->dir + APCVA);
|
| 1757 |
|
|
}
|
| 1758 |
|
|
|
| 1759 |
|
|
udelay(1200);
|
| 1760 |
|
|
}
|
| 1761 |
|
|
csr = sbus_readl(base->regs + APCCSR);
|
| 1762 |
|
|
shift = 0;
|
| 1763 |
|
|
if (base->dir == APC_PLAY)
|
| 1764 |
|
|
shift = 1;
|
| 1765 |
|
|
if (on)
|
| 1766 |
|
|
csr &= ~(APC_CPAUSE << shift);
|
| 1767 |
|
|
else
|
| 1768 |
|
|
csr |= (APC_CPAUSE << shift);
|
| 1769 |
|
|
sbus_writel(csr, base->regs + APCCSR);
|
| 1770 |
|
|
if (on)
|
| 1771 |
|
|
csr |= (APC_CDMA_READY << shift);
|
| 1772 |
|
|
else
|
| 1773 |
|
|
csr &= ~(APC_CDMA_READY << shift);
|
| 1774 |
|
|
sbus_writel(csr, base->regs + APCCSR);
|
| 1775 |
|
|
|
| 1776 |
|
|
spin_unlock_irqrestore(&base->lock, flags);
|
| 1777 |
|
|
}
|
| 1778 |
|
|
|
| 1779 |
|
|
static unsigned int sbus_dma_addr(struct cs4231_dma_control *dma_cont)
|
| 1780 |
|
|
{
|
| 1781 |
|
|
struct sbus_dma_info *base = &dma_cont->sbus_info;
|
| 1782 |
|
|
|
| 1783 |
|
|
return sbus_readl(base->regs + base->dir + APCVA);
|
| 1784 |
|
|
}
|
| 1785 |
|
|
|
| 1786 |
|
|
static void sbus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm)
|
| 1787 |
|
|
{
|
| 1788 |
|
|
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_SBUS,
|
| 1789 |
|
|
snd_dma_sbus_data(chip->dev_u.sdev),
|
| 1790 |
|
|
64 * 1024, 128 * 1024);
|
| 1791 |
|
|
}
|
| 1792 |
|
|
|
| 1793 |
|
|
/*
|
| 1794 |
|
|
* Init and exit routines
|
| 1795 |
|
|
*/
|
| 1796 |
|
|
|
| 1797 |
|
|
static int snd_cs4231_sbus_free(struct snd_cs4231 *chip)
|
| 1798 |
|
|
{
|
| 1799 |
|
|
if (chip->irq[0])
|
| 1800 |
|
|
free_irq(chip->irq[0], chip);
|
| 1801 |
|
|
|
| 1802 |
|
|
if (chip->port)
|
| 1803 |
|
|
sbus_iounmap(chip->port, chip->regs_size);
|
| 1804 |
|
|
|
| 1805 |
|
|
return 0;
|
| 1806 |
|
|
}
|
| 1807 |
|
|
|
| 1808 |
|
|
static int snd_cs4231_sbus_dev_free(struct snd_device *device)
|
| 1809 |
|
|
{
|
| 1810 |
|
|
struct snd_cs4231 *cp = device->device_data;
|
| 1811 |
|
|
|
| 1812 |
|
|
return snd_cs4231_sbus_free(cp);
|
| 1813 |
|
|
}
|
| 1814 |
|
|
|
| 1815 |
|
|
static struct snd_device_ops snd_cs4231_sbus_dev_ops = {
|
| 1816 |
|
|
.dev_free = snd_cs4231_sbus_dev_free,
|
| 1817 |
|
|
};
|
| 1818 |
|
|
|
| 1819 |
|
|
static int __init snd_cs4231_sbus_create(struct snd_card *card,
|
| 1820 |
|
|
struct sbus_dev *sdev,
|
| 1821 |
|
|
int dev)
|
| 1822 |
|
|
{
|
| 1823 |
|
|
struct snd_cs4231 *chip = card->private_data;
|
| 1824 |
|
|
int err;
|
| 1825 |
|
|
|
| 1826 |
|
|
spin_lock_init(&chip->lock);
|
| 1827 |
|
|
spin_lock_init(&chip->c_dma.sbus_info.lock);
|
| 1828 |
|
|
spin_lock_init(&chip->p_dma.sbus_info.lock);
|
| 1829 |
|
|
mutex_init(&chip->mce_mutex);
|
| 1830 |
|
|
mutex_init(&chip->open_mutex);
|
| 1831 |
|
|
chip->dev_u.sdev = sdev;
|
| 1832 |
|
|
chip->regs_size = sdev->reg_addrs[0].reg_size;
|
| 1833 |
|
|
memcpy(&chip->image, &snd_cs4231_original_image,
|
| 1834 |
|
|
sizeof(snd_cs4231_original_image));
|
| 1835 |
|
|
|
| 1836 |
|
|
chip->port = sbus_ioremap(&sdev->resource[0], 0,
|
| 1837 |
|
|
chip->regs_size, "cs4231");
|
| 1838 |
|
|
if (!chip->port) {
|
| 1839 |
|
|
snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
|
| 1840 |
|
|
return -EIO;
|
| 1841 |
|
|
}
|
| 1842 |
|
|
|
| 1843 |
|
|
chip->c_dma.sbus_info.regs = chip->port;
|
| 1844 |
|
|
chip->p_dma.sbus_info.regs = chip->port;
|
| 1845 |
|
|
chip->c_dma.sbus_info.dir = APC_RECORD;
|
| 1846 |
|
|
chip->p_dma.sbus_info.dir = APC_PLAY;
|
| 1847 |
|
|
|
| 1848 |
|
|
chip->p_dma.prepare = sbus_dma_prepare;
|
| 1849 |
|
|
chip->p_dma.enable = sbus_dma_enable;
|
| 1850 |
|
|
chip->p_dma.request = sbus_dma_request;
|
| 1851 |
|
|
chip->p_dma.address = sbus_dma_addr;
|
| 1852 |
|
|
chip->p_dma.preallocate = sbus_dma_preallocate;
|
| 1853 |
|
|
|
| 1854 |
|
|
chip->c_dma.prepare = sbus_dma_prepare;
|
| 1855 |
|
|
chip->c_dma.enable = sbus_dma_enable;
|
| 1856 |
|
|
chip->c_dma.request = sbus_dma_request;
|
| 1857 |
|
|
chip->c_dma.address = sbus_dma_addr;
|
| 1858 |
|
|
chip->c_dma.preallocate = sbus_dma_preallocate;
|
| 1859 |
|
|
|
| 1860 |
|
|
if (request_irq(sdev->irqs[0], snd_cs4231_sbus_interrupt,
|
| 1861 |
|
|
IRQF_SHARED, "cs4231", chip)) {
|
| 1862 |
|
|
snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %d\n",
|
| 1863 |
|
|
dev, sdev->irqs[0]);
|
| 1864 |
|
|
snd_cs4231_sbus_free(chip);
|
| 1865 |
|
|
return -EBUSY;
|
| 1866 |
|
|
}
|
| 1867 |
|
|
chip->irq[0] = sdev->irqs[0];
|
| 1868 |
|
|
|
| 1869 |
|
|
if (snd_cs4231_probe(chip) < 0) {
|
| 1870 |
|
|
snd_cs4231_sbus_free(chip);
|
| 1871 |
|
|
return -ENODEV;
|
| 1872 |
|
|
}
|
| 1873 |
|
|
snd_cs4231_init(chip);
|
| 1874 |
|
|
|
| 1875 |
|
|
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
|
| 1876 |
|
|
chip, &snd_cs4231_sbus_dev_ops)) < 0) {
|
| 1877 |
|
|
snd_cs4231_sbus_free(chip);
|
| 1878 |
|
|
return err;
|
| 1879 |
|
|
}
|
| 1880 |
|
|
|
| 1881 |
|
|
return 0;
|
| 1882 |
|
|
}
|
| 1883 |
|
|
|
| 1884 |
|
|
static int __init cs4231_sbus_attach(struct sbus_dev *sdev)
|
| 1885 |
|
|
{
|
| 1886 |
|
|
struct resource *rp = &sdev->resource[0];
|
| 1887 |
|
|
struct snd_card *card;
|
| 1888 |
|
|
int err;
|
| 1889 |
|
|
|
| 1890 |
|
|
err = cs4231_attach_begin(&card);
|
| 1891 |
|
|
if (err)
|
| 1892 |
|
|
return err;
|
| 1893 |
|
|
|
| 1894 |
|
|
sprintf(card->longname, "%s at 0x%02lx:0x%016Lx, irq %d",
|
| 1895 |
|
|
card->shortname,
|
| 1896 |
|
|
rp->flags & 0xffL,
|
| 1897 |
|
|
(unsigned long long)rp->start,
|
| 1898 |
|
|
sdev->irqs[0]);
|
| 1899 |
|
|
|
| 1900 |
|
|
err = snd_cs4231_sbus_create(card, sdev, dev);
|
| 1901 |
|
|
if (err < 0) {
|
| 1902 |
|
|
snd_card_free(card);
|
| 1903 |
|
|
return err;
|
| 1904 |
|
|
}
|
| 1905 |
|
|
|
| 1906 |
|
|
return cs4231_attach_finish(card);
|
| 1907 |
|
|
}
|
| 1908 |
|
|
#endif
|
| 1909 |
|
|
|
| 1910 |
|
|
#ifdef EBUS_SUPPORT
|
| 1911 |
|
|
|
| 1912 |
|
|
static void snd_cs4231_ebus_play_callback(struct ebus_dma_info *p, int event,
|
| 1913 |
|
|
void *cookie)
|
| 1914 |
|
|
{
|
| 1915 |
|
|
struct snd_cs4231 *chip = cookie;
|
| 1916 |
|
|
|
| 1917 |
|
|
snd_cs4231_play_callback(chip);
|
| 1918 |
|
|
}
|
| 1919 |
|
|
|
| 1920 |
|
|
static void snd_cs4231_ebus_capture_callback(struct ebus_dma_info *p,
|
| 1921 |
|
|
int event, void *cookie)
|
| 1922 |
|
|
{
|
| 1923 |
|
|
struct snd_cs4231 *chip = cookie;
|
| 1924 |
|
|
|
| 1925 |
|
|
snd_cs4231_capture_callback(chip);
|
| 1926 |
|
|
}
|
| 1927 |
|
|
|
| 1928 |
|
|
/*
|
| 1929 |
|
|
* EBUS DMA wrappers
|
| 1930 |
|
|
*/
|
| 1931 |
|
|
|
| 1932 |
|
|
static int _ebus_dma_request(struct cs4231_dma_control *dma_cont,
|
| 1933 |
|
|
dma_addr_t bus_addr, size_t len)
|
| 1934 |
|
|
{
|
| 1935 |
|
|
return ebus_dma_request(&dma_cont->ebus_info, bus_addr, len);
|
| 1936 |
|
|
}
|
| 1937 |
|
|
|
| 1938 |
|
|
static void _ebus_dma_enable(struct cs4231_dma_control *dma_cont, int on)
|
| 1939 |
|
|
{
|
| 1940 |
|
|
ebus_dma_enable(&dma_cont->ebus_info, on);
|
| 1941 |
|
|
}
|
| 1942 |
|
|
|
| 1943 |
|
|
static void _ebus_dma_prepare(struct cs4231_dma_control *dma_cont, int dir)
|
| 1944 |
|
|
{
|
| 1945 |
|
|
ebus_dma_prepare(&dma_cont->ebus_info, dir);
|
| 1946 |
|
|
}
|
| 1947 |
|
|
|
| 1948 |
|
|
static unsigned int _ebus_dma_addr(struct cs4231_dma_control *dma_cont)
|
| 1949 |
|
|
{
|
| 1950 |
|
|
return ebus_dma_addr(&dma_cont->ebus_info);
|
| 1951 |
|
|
}
|
| 1952 |
|
|
|
| 1953 |
|
|
static void _ebus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm)
|
| 1954 |
|
|
{
|
| 1955 |
|
|
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
|
| 1956 |
|
|
snd_dma_pci_data(chip->dev_u.pdev),
|
| 1957 |
|
|
64*1024, 128*1024);
|
| 1958 |
|
|
}
|
| 1959 |
|
|
|
| 1960 |
|
|
/*
|
| 1961 |
|
|
* Init and exit routines
|
| 1962 |
|
|
*/
|
| 1963 |
|
|
|
| 1964 |
|
|
static int snd_cs4231_ebus_free(struct snd_cs4231 *chip)
|
| 1965 |
|
|
{
|
| 1966 |
|
|
if (chip->c_dma.ebus_info.regs) {
|
| 1967 |
|
|
ebus_dma_unregister(&chip->c_dma.ebus_info);
|
| 1968 |
|
|
iounmap(chip->c_dma.ebus_info.regs);
|
| 1969 |
|
|
}
|
| 1970 |
|
|
if (chip->p_dma.ebus_info.regs) {
|
| 1971 |
|
|
ebus_dma_unregister(&chip->p_dma.ebus_info);
|
| 1972 |
|
|
iounmap(chip->p_dma.ebus_info.regs);
|
| 1973 |
|
|
}
|
| 1974 |
|
|
|
| 1975 |
|
|
if (chip->port)
|
| 1976 |
|
|
iounmap(chip->port);
|
| 1977 |
|
|
|
| 1978 |
|
|
return 0;
|
| 1979 |
|
|
}
|
| 1980 |
|
|
|
| 1981 |
|
|
static int snd_cs4231_ebus_dev_free(struct snd_device *device)
|
| 1982 |
|
|
{
|
| 1983 |
|
|
struct snd_cs4231 *cp = device->device_data;
|
| 1984 |
|
|
|
| 1985 |
|
|
return snd_cs4231_ebus_free(cp);
|
| 1986 |
|
|
}
|
| 1987 |
|
|
|
| 1988 |
|
|
static struct snd_device_ops snd_cs4231_ebus_dev_ops = {
|
| 1989 |
|
|
.dev_free = snd_cs4231_ebus_dev_free,
|
| 1990 |
|
|
};
|
| 1991 |
|
|
|
| 1992 |
|
|
static int __init snd_cs4231_ebus_create(struct snd_card *card,
|
| 1993 |
|
|
struct linux_ebus_device *edev,
|
| 1994 |
|
|
int dev)
|
| 1995 |
|
|
{
|
| 1996 |
|
|
struct snd_cs4231 *chip = card->private_data;
|
| 1997 |
|
|
int err;
|
| 1998 |
|
|
|
| 1999 |
|
|
spin_lock_init(&chip->lock);
|
| 2000 |
|
|
spin_lock_init(&chip->c_dma.ebus_info.lock);
|
| 2001 |
|
|
spin_lock_init(&chip->p_dma.ebus_info.lock);
|
| 2002 |
|
|
mutex_init(&chip->mce_mutex);
|
| 2003 |
|
|
mutex_init(&chip->open_mutex);
|
| 2004 |
|
|
chip->flags |= CS4231_FLAG_EBUS;
|
| 2005 |
|
|
chip->dev_u.pdev = edev->bus->self;
|
| 2006 |
|
|
memcpy(&chip->image, &snd_cs4231_original_image,
|
| 2007 |
|
|
sizeof(snd_cs4231_original_image));
|
| 2008 |
|
|
strcpy(chip->c_dma.ebus_info.name, "cs4231(capture)");
|
| 2009 |
|
|
chip->c_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
|
| 2010 |
|
|
chip->c_dma.ebus_info.callback = snd_cs4231_ebus_capture_callback;
|
| 2011 |
|
|
chip->c_dma.ebus_info.client_cookie = chip;
|
| 2012 |
|
|
chip->c_dma.ebus_info.irq = edev->irqs[0];
|
| 2013 |
|
|
strcpy(chip->p_dma.ebus_info.name, "cs4231(play)");
|
| 2014 |
|
|
chip->p_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
|
| 2015 |
|
|
chip->p_dma.ebus_info.callback = snd_cs4231_ebus_play_callback;
|
| 2016 |
|
|
chip->p_dma.ebus_info.client_cookie = chip;
|
| 2017 |
|
|
chip->p_dma.ebus_info.irq = edev->irqs[1];
|
| 2018 |
|
|
|
| 2019 |
|
|
chip->p_dma.prepare = _ebus_dma_prepare;
|
| 2020 |
|
|
chip->p_dma.enable = _ebus_dma_enable;
|
| 2021 |
|
|
chip->p_dma.request = _ebus_dma_request;
|
| 2022 |
|
|
chip->p_dma.address = _ebus_dma_addr;
|
| 2023 |
|
|
chip->p_dma.preallocate = _ebus_dma_preallocate;
|
| 2024 |
|
|
|
| 2025 |
|
|
chip->c_dma.prepare = _ebus_dma_prepare;
|
| 2026 |
|
|
chip->c_dma.enable = _ebus_dma_enable;
|
| 2027 |
|
|
chip->c_dma.request = _ebus_dma_request;
|
| 2028 |
|
|
chip->c_dma.address = _ebus_dma_addr;
|
| 2029 |
|
|
chip->c_dma.preallocate = _ebus_dma_preallocate;
|
| 2030 |
|
|
|
| 2031 |
|
|
chip->port = ioremap(edev->resource[0].start, 0x10);
|
| 2032 |
|
|
chip->p_dma.ebus_info.regs = ioremap(edev->resource[1].start, 0x10);
|
| 2033 |
|
|
chip->c_dma.ebus_info.regs = ioremap(edev->resource[2].start, 0x10);
|
| 2034 |
|
|
if (!chip->port || !chip->p_dma.ebus_info.regs ||
|
| 2035 |
|
|
!chip->c_dma.ebus_info.regs) {
|
| 2036 |
|
|
snd_cs4231_ebus_free(chip);
|
| 2037 |
|
|
snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
|
| 2038 |
|
|
return -EIO;
|
| 2039 |
|
|
}
|
| 2040 |
|
|
|
| 2041 |
|
|
if (ebus_dma_register(&chip->c_dma.ebus_info)) {
|
| 2042 |
|
|
snd_cs4231_ebus_free(chip);
|
| 2043 |
|
|
snd_printdd("cs4231-%d: Unable to register EBUS capture DMA\n",
|
| 2044 |
|
|
dev);
|
| 2045 |
|
|
return -EBUSY;
|
| 2046 |
|
|
}
|
| 2047 |
|
|
if (ebus_dma_irq_enable(&chip->c_dma.ebus_info, 1)) {
|
| 2048 |
|
|
snd_cs4231_ebus_free(chip);
|
| 2049 |
|
|
snd_printdd("cs4231-%d: Unable to enable EBUS capture IRQ\n",
|
| 2050 |
|
|
dev);
|
| 2051 |
|
|
return -EBUSY;
|
| 2052 |
|
|
}
|
| 2053 |
|
|
|
| 2054 |
|
|
if (ebus_dma_register(&chip->p_dma.ebus_info)) {
|
| 2055 |
|
|
snd_cs4231_ebus_free(chip);
|
| 2056 |
|
|
snd_printdd("cs4231-%d: Unable to register EBUS play DMA\n",
|
| 2057 |
|
|
dev);
|
| 2058 |
|
|
return -EBUSY;
|
| 2059 |
|
|
}
|
| 2060 |
|
|
if (ebus_dma_irq_enable(&chip->p_dma.ebus_info, 1)) {
|
| 2061 |
|
|
snd_cs4231_ebus_free(chip);
|
| 2062 |
|
|
snd_printdd("cs4231-%d: Unable to enable EBUS play IRQ\n", dev);
|
| 2063 |
|
|
return -EBUSY;
|
| 2064 |
|
|
}
|
| 2065 |
|
|
|
| 2066 |
|
|
if (snd_cs4231_probe(chip) < 0) {
|
| 2067 |
|
|
snd_cs4231_ebus_free(chip);
|
| 2068 |
|
|
return -ENODEV;
|
| 2069 |
|
|
}
|
| 2070 |
|
|
snd_cs4231_init(chip);
|
| 2071 |
|
|
|
| 2072 |
|
|
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
|
| 2073 |
|
|
chip, &snd_cs4231_ebus_dev_ops)) < 0) {
|
| 2074 |
|
|
snd_cs4231_ebus_free(chip);
|
| 2075 |
|
|
return err;
|
| 2076 |
|
|
}
|
| 2077 |
|
|
|
| 2078 |
|
|
return 0;
|
| 2079 |
|
|
}
|
| 2080 |
|
|
|
| 2081 |
|
|
static int __init cs4231_ebus_attach(struct linux_ebus_device *edev)
|
| 2082 |
|
|
{
|
| 2083 |
|
|
struct snd_card *card;
|
| 2084 |
|
|
int err;
|
| 2085 |
|
|
|
| 2086 |
|
|
err = cs4231_attach_begin(&card);
|
| 2087 |
|
|
if (err)
|
| 2088 |
|
|
return err;
|
| 2089 |
|
|
|
| 2090 |
|
|
sprintf(card->longname, "%s at 0x%lx, irq %d",
|
| 2091 |
|
|
card->shortname,
|
| 2092 |
|
|
edev->resource[0].start,
|
| 2093 |
|
|
edev->irqs[0]);
|
| 2094 |
|
|
|
| 2095 |
|
|
err = snd_cs4231_ebus_create(card, edev, dev);
|
| 2096 |
|
|
if (err < 0) {
|
| 2097 |
|
|
snd_card_free(card);
|
| 2098 |
|
|
return err;
|
| 2099 |
|
|
}
|
| 2100 |
|
|
|
| 2101 |
|
|
return cs4231_attach_finish(card);
|
| 2102 |
|
|
}
|
| 2103 |
|
|
#endif
|
| 2104 |
|
|
|
| 2105 |
|
|
static int __init cs4231_init(void)
|
| 2106 |
|
|
{
|
| 2107 |
|
|
#ifdef SBUS_SUPPORT
|
| 2108 |
|
|
struct sbus_bus *sbus;
|
| 2109 |
|
|
struct sbus_dev *sdev;
|
| 2110 |
|
|
#endif
|
| 2111 |
|
|
#ifdef EBUS_SUPPORT
|
| 2112 |
|
|
struct linux_ebus *ebus;
|
| 2113 |
|
|
struct linux_ebus_device *edev;
|
| 2114 |
|
|
#endif
|
| 2115 |
|
|
int found;
|
| 2116 |
|
|
|
| 2117 |
|
|
found = 0;
|
| 2118 |
|
|
|
| 2119 |
|
|
#ifdef SBUS_SUPPORT
|
| 2120 |
|
|
for_all_sbusdev(sdev, sbus) {
|
| 2121 |
|
|
if (!strcmp(sdev->prom_name, "SUNW,CS4231")) {
|
| 2122 |
|
|
if (cs4231_sbus_attach(sdev) == 0)
|
| 2123 |
|
|
found++;
|
| 2124 |
|
|
}
|
| 2125 |
|
|
}
|
| 2126 |
|
|
#endif
|
| 2127 |
|
|
#ifdef EBUS_SUPPORT
|
| 2128 |
|
|
for_each_ebus(ebus) {
|
| 2129 |
|
|
for_each_ebusdev(edev, ebus) {
|
| 2130 |
|
|
int match = 0;
|
| 2131 |
|
|
|
| 2132 |
|
|
if (!strcmp(edev->prom_node->name, "SUNW,CS4231")) {
|
| 2133 |
|
|
match = 1;
|
| 2134 |
|
|
} else if (!strcmp(edev->prom_node->name, "audio")) {
|
| 2135 |
|
|
const char *compat;
|
| 2136 |
|
|
|
| 2137 |
|
|
compat = of_get_property(edev->prom_node,
|
| 2138 |
|
|
"compatible", NULL);
|
| 2139 |
|
|
if (compat && !strcmp(compat, "SUNW,CS4231"))
|
| 2140 |
|
|
match = 1;
|
| 2141 |
|
|
}
|
| 2142 |
|
|
|
| 2143 |
|
|
if (match &&
|
| 2144 |
|
|
cs4231_ebus_attach(edev) == 0)
|
| 2145 |
|
|
found++;
|
| 2146 |
|
|
}
|
| 2147 |
|
|
}
|
| 2148 |
|
|
#endif
|
| 2149 |
|
|
|
| 2150 |
|
|
|
| 2151 |
|
|
return (found > 0) ? 0 : -EIO;
|
| 2152 |
|
|
}
|
| 2153 |
|
|
|
| 2154 |
|
|
static void __exit cs4231_exit(void)
|
| 2155 |
|
|
{
|
| 2156 |
|
|
struct snd_cs4231 *p = cs4231_list;
|
| 2157 |
|
|
|
| 2158 |
|
|
while (p != NULL) {
|
| 2159 |
|
|
struct snd_cs4231 *next = p->next;
|
| 2160 |
|
|
|
| 2161 |
|
|
snd_card_free(p->card);
|
| 2162 |
|
|
|
| 2163 |
|
|
p = next;
|
| 2164 |
|
|
}
|
| 2165 |
|
|
|
| 2166 |
|
|
cs4231_list = NULL;
|
| 2167 |
|
|
}
|
| 2168 |
|
|
|
| 2169 |
|
|
module_init(cs4231_init);
|
| 2170 |
|
|
module_exit(cs4231_exit);
|
