/*
* Driver for CS4231 sound chips found on Sparcs.
- * Copyright (C) 2002 David S. Miller <davem@redhat.com>
+ * Copyright (C) 2002, 2008 David S. Miller <davem@davemloft.net>
*
* Based entirely upon drivers/sbus/audio/cs4231.c which is:
* Copyright (C) 1996, 1997, 1998 Derrick J Brashear (shadow@andrew.cmu.edu)
#include <linux/moduleparam.h>
#include <linux/irq.h>
#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
-
-#include <sound/driver.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/info.h>
#ifdef CONFIG_SBUS
#define SBUS_SUPPORT
-#include <asm/sbus.h>
#endif
#if defined(CONFIG_PCI) && defined(CONFIG_SPARC64)
#define EBUS_SUPPORT
#include <linux/pci.h>
-#include <asm/ebus.h>
+#include <asm/ebus_dma.h>
#endif
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
int (*request)(struct cs4231_dma_control *dma_cont,
dma_addr_t bus_addr, size_t len);
unsigned int (*address)(struct cs4231_dma_control *dma_cont);
- void (*preallocate)(struct snd_cs4231 *chip,
- struct snd_pcm *pcm);
#ifdef EBUS_SUPPORT
struct ebus_dma_info ebus_info;
#endif
struct mutex mce_mutex; /* mutex for mce register */
struct mutex open_mutex; /* mutex for ALSA open/close */
- union {
-#ifdef SBUS_SUPPORT
- struct sbus_dev *sdev;
-#endif
-#ifdef EBUS_SUPPORT
- struct pci_dev *pdev;
-#endif
- } dev_u;
+ struct of_device *op;
unsigned int irq[2];
unsigned int regs_size;
struct snd_cs4231 *next;
};
-static struct snd_cs4231 *cs4231_list;
-
/* Eventually we can use sound/isa/cs423x/cs4231_lib.c directly, but for
* now.... -DaveM
*/
/* IO ports */
-
-#define CS4231P(chip, x) ((chip)->port + c_d_c_CS4231##x)
+#include <sound/cs4231-regs.h>
/* XXX offsets are different than PC ISA chips... */
-#define c_d_c_CS4231REGSEL 0x0
-#define c_d_c_CS4231REG 0x4
-#define c_d_c_CS4231STATUS 0x8
-#define c_d_c_CS4231PIO 0xc
-
-/* codec registers */
-
-#define CS4231_LEFT_INPUT 0x00 /* left input control */
-#define CS4231_RIGHT_INPUT 0x01 /* right input control */
-#define CS4231_AUX1_LEFT_INPUT 0x02 /* left AUX1 input control */
-#define CS4231_AUX1_RIGHT_INPUT 0x03 /* right AUX1 input control */
-#define CS4231_AUX2_LEFT_INPUT 0x04 /* left AUX2 input control */
-#define CS4231_AUX2_RIGHT_INPUT 0x05 /* right AUX2 input control */
-#define CS4231_LEFT_OUTPUT 0x06 /* left output control register */
-#define CS4231_RIGHT_OUTPUT 0x07 /* right output control register */
-#define CS4231_PLAYBK_FORMAT 0x08 /* clock and data format - playback - bits 7-0 MCE */
-#define CS4231_IFACE_CTRL 0x09 /* interface control - bits 7-2 MCE */
-#define CS4231_PIN_CTRL 0x0a /* pin control */
-#define CS4231_TEST_INIT 0x0b /* test and initialization */
-#define CS4231_MISC_INFO 0x0c /* miscellaneaous information */
-#define CS4231_LOOPBACK 0x0d /* loopback control */
-#define CS4231_PLY_UPR_CNT 0x0e /* playback upper base count */
-#define CS4231_PLY_LWR_CNT 0x0f /* playback lower base count */
-#define CS4231_ALT_FEATURE_1 0x10 /* alternate #1 feature enable */
-#define CS4231_ALT_FEATURE_2 0x11 /* alternate #2 feature enable */
-#define CS4231_LEFT_LINE_IN 0x12 /* left line input control */
-#define CS4231_RIGHT_LINE_IN 0x13 /* right line input control */
-#define CS4231_TIMER_LOW 0x14 /* timer low byte */
-#define CS4231_TIMER_HIGH 0x15 /* timer high byte */
-#define CS4231_LEFT_MIC_INPUT 0x16 /* left MIC input control register (InterWave only) */
-#define CS4231_RIGHT_MIC_INPUT 0x17 /* right MIC input control register (InterWave only) */
-#define CS4236_EXT_REG 0x17 /* extended register access */
-#define CS4231_IRQ_STATUS 0x18 /* irq status register */
-#define CS4231_LINE_LEFT_OUTPUT 0x19 /* left line output control register (InterWave only) */
-#define CS4231_VERSION 0x19 /* CS4231(A) - version values */
-#define CS4231_MONO_CTRL 0x1a /* mono input/output control */
-#define CS4231_LINE_RIGHT_OUTPUT 0x1b /* right line output control register (InterWave only) */
-#define CS4235_LEFT_MASTER 0x1b /* left master output control */
-#define CS4231_REC_FORMAT 0x1c /* clock and data format - record - bits 7-0 MCE */
-#define CS4231_PLY_VAR_FREQ 0x1d /* playback variable frequency */
-#define CS4235_RIGHT_MASTER 0x1d /* right master output control */
-#define CS4231_REC_UPR_CNT 0x1e /* record upper count */
-#define CS4231_REC_LWR_CNT 0x1f /* record lower count */
-
-/* definitions for codec register select port - CODECP( REGSEL ) */
-
-#define CS4231_INIT 0x80 /* CODEC is initializing */
-#define CS4231_MCE 0x40 /* mode change enable */
-#define CS4231_TRD 0x20 /* transfer request disable */
-
-/* definitions for codec status register - CODECP( STATUS ) */
-
-#define CS4231_GLOBALIRQ 0x01 /* IRQ is active */
-
-/* definitions for codec irq status - CS4231_IRQ_STATUS */
-
-#define CS4231_PLAYBACK_IRQ 0x10
-#define CS4231_RECORD_IRQ 0x20
-#define CS4231_TIMER_IRQ 0x40
-#define CS4231_ALL_IRQS 0x70
-#define CS4231_REC_UNDERRUN 0x08
-#define CS4231_REC_OVERRUN 0x04
-#define CS4231_PLY_OVERRUN 0x02
-#define CS4231_PLY_UNDERRUN 0x01
-
-/* definitions for CS4231_LEFT_INPUT and CS4231_RIGHT_INPUT registers */
-
-#define CS4231_ENABLE_MIC_GAIN 0x20
-
-#define CS4231_MIXS_LINE 0x00
-#define CS4231_MIXS_AUX1 0x40
-#define CS4231_MIXS_MIC 0x80
-#define CS4231_MIXS_ALL 0xc0
-
-/* definitions for clock and data format register - CS4231_PLAYBK_FORMAT */
-
-#define CS4231_LINEAR_8 0x00 /* 8-bit unsigned data */
-#define CS4231_ALAW_8 0x60 /* 8-bit A-law companded */
-#define CS4231_ULAW_8 0x20 /* 8-bit U-law companded */
-#define CS4231_LINEAR_16 0x40 /* 16-bit twos complement data - little endian */
-#define CS4231_LINEAR_16_BIG 0xc0 /* 16-bit twos complement data - big endian */
-#define CS4231_ADPCM_16 0xa0 /* 16-bit ADPCM */
-#define CS4231_STEREO 0x10 /* stereo mode */
-/* bits 3-1 define frequency divisor */
-#define CS4231_XTAL1 0x00 /* 24.576 crystal */
-#define CS4231_XTAL2 0x01 /* 16.9344 crystal */
-
-/* definitions for interface control register - CS4231_IFACE_CTRL */
-
-#define CS4231_RECORD_PIO 0x80 /* record PIO enable */
-#define CS4231_PLAYBACK_PIO 0x40 /* playback PIO enable */
-#define CS4231_CALIB_MODE 0x18 /* calibration mode bits */
-#define CS4231_AUTOCALIB 0x08 /* auto calibrate */
-#define CS4231_SINGLE_DMA 0x04 /* use single DMA channel */
-#define CS4231_RECORD_ENABLE 0x02 /* record enable */
-#define CS4231_PLAYBACK_ENABLE 0x01 /* playback enable */
-
-/* definitions for pin control register - CS4231_PIN_CTRL */
-
-#define CS4231_IRQ_ENABLE 0x02 /* enable IRQ */
-#define CS4231_XCTL1 0x40 /* external control #1 */
-#define CS4231_XCTL0 0x80 /* external control #0 */
-
-/* definitions for test and init register - CS4231_TEST_INIT */
-
-#define CS4231_CALIB_IN_PROGRESS 0x20 /* auto calibrate in progress */
-#define CS4231_DMA_REQUEST 0x10 /* DMA request in progress */
-
-/* definitions for misc control register - CS4231_MISC_INFO */
-
-#define CS4231_MODE2 0x40 /* MODE 2 */
-#define CS4231_IW_MODE3 0x6c /* MODE 3 - InterWave enhanced mode */
-#define CS4231_4236_MODE3 0xe0 /* MODE 3 - CS4236+ enhanced mode */
-
-/* definitions for alternate feature 1 register - CS4231_ALT_FEATURE_1 */
-
-#define CS4231_DACZ 0x01 /* zero DAC when underrun */
-#define CS4231_TIMER_ENABLE 0x40 /* codec timer enable */
-#define CS4231_OLB 0x80 /* output level bit */
+#define CS4231U(chip, x) ((chip)->port + ((c_d_c_CS4231##x) << 2))
/* SBUS DMA register defines. */
static u8 __cs4231_readb(struct snd_cs4231 *cp, void __iomem *reg_addr)
{
-#ifdef EBUS_SUPPORT
if (cp->flags & CS4231_FLAG_EBUS)
return readb(reg_addr);
else
-#endif
-#ifdef SBUS_SUPPORT
return sbus_readb(reg_addr);
-#endif
}
static void __cs4231_writeb(struct snd_cs4231 *cp, u8 val,
void __iomem *reg_addr)
{
-#ifdef EBUS_SUPPORT
if (cp->flags & CS4231_FLAG_EBUS)
return writeb(val, reg_addr);
else
-#endif
-#ifdef SBUS_SUPPORT
return sbus_writeb(val, reg_addr);
-#endif
}
/*
{
int timeout;
- for (timeout = 250;
- timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT);
- timeout--)
- udelay(100);
+ for (timeout = 250; timeout > 0; timeout--) {
+ int val = __cs4231_readb(chip, CS4231U(chip, REGSEL));
+ if ((val & CS4231_INIT) == 0)
+ break;
+ udelay(100);
+ }
}
static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg,
{
snd_cs4231_ready(chip);
#ifdef CONFIG_SND_DEBUG
- if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
+ if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
snd_printdd("out: auto calibration time out - reg = 0x%x, "
"value = 0x%x\n",
reg, value);
#endif
- __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL));
+ __cs4231_writeb(chip, chip->mce_bit | reg, CS4231U(chip, REGSEL));
wmb();
- __cs4231_writeb(chip, value, CS4231P(chip, REG));
+ __cs4231_writeb(chip, value, CS4231U(chip, REG));
mb();
}
{
snd_cs4231_ready(chip);
#ifdef CONFIG_SND_DEBUG
- if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
+ if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
snd_printdd("in: auto calibration time out - reg = 0x%x\n",
reg);
#endif
- __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL));
+ __cs4231_writeb(chip, chip->mce_bit | reg, CS4231U(chip, REGSEL));
mb();
- return __cs4231_readb(chip, CS4231P(chip, REG));
+ return __cs4231_readb(chip, CS4231U(chip, REG));
}
/*
/* looks like this sequence is proper for CS4231A chip (GUS MAX) */
for (timeout = 5; timeout > 0; timeout--)
- __cs4231_readb(chip, CS4231P(chip, REGSEL));
+ __cs4231_readb(chip, CS4231U(chip, REGSEL));
/* end of cleanup sequence */
- for (timeout = 500;
- timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT);
- timeout--)
+ for (timeout = 500; timeout > 0; timeout--) {
+ int val = __cs4231_readb(chip, CS4231U(chip, REGSEL));
+ if ((val & CS4231_INIT) == 0)
+ break;
msleep(1);
+ }
}
static void snd_cs4231_mce_up(struct snd_cs4231 *chip)
spin_lock_irqsave(&chip->lock, flags);
snd_cs4231_ready(chip);
#ifdef CONFIG_SND_DEBUG
- if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
+ if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
snd_printdd("mce_up - auto calibration time out (0)\n");
#endif
chip->mce_bit |= CS4231_MCE;
- timeout = __cs4231_readb(chip, CS4231P(chip, REGSEL));
+ timeout = __cs4231_readb(chip, CS4231U(chip, REGSEL));
if (timeout == 0x80)
snd_printdd("mce_up [%p]: serious init problem - "
"codec still busy\n",
chip->port);
if (!(timeout & CS4231_MCE))
- __cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL));
+ __cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f),
+ CS4231U(chip, REGSEL));
spin_unlock_irqrestore(&chip->lock, flags);
}
static void snd_cs4231_mce_down(struct snd_cs4231 *chip)
{
- unsigned long flags;
- int timeout;
+ unsigned long flags, timeout;
+ int reg;
- spin_lock_irqsave(&chip->lock, flags);
snd_cs4231_busy_wait(chip);
+ spin_lock_irqsave(&chip->lock, flags);
#ifdef CONFIG_SND_DEBUG
- if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
- snd_printdd("mce_down [%p] - auto calibration time out (0)\n", CS4231P(chip, REGSEL));
+ if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
+ snd_printdd("mce_down [%p] - auto calibration time out (0)\n",
+ CS4231U(chip, REGSEL));
#endif
chip->mce_bit &= ~CS4231_MCE;
- timeout = __cs4231_readb(chip, CS4231P(chip, REGSEL));
- __cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL));
- if (timeout == 0x80)
- snd_printdd("mce_down [%p]: serious init problem - "
- "codec still busy\n",
- chip->port);
- if ((timeout & CS4231_MCE) == 0) {
+ reg = __cs4231_readb(chip, CS4231U(chip, REGSEL));
+ __cs4231_writeb(chip, chip->mce_bit | (reg & 0x1f),
+ CS4231U(chip, REGSEL));
+ if (reg == 0x80)
+ snd_printdd("mce_down [%p]: serious init problem "
+ "- codec still busy\n", chip->port);
+ if ((reg & CS4231_MCE) == 0) {
spin_unlock_irqrestore(&chip->lock, flags);
return;
}
- snd_cs4231_busy_wait(chip);
-
- /* calibration process */
-
- snd_cs4231_ready(chip);
- snd_cs4231_ready(chip);
- timeout = snd_cs4231_in(chip, CS4231_TEST_INIT);
- if ((timeout & CS4231_CALIB_IN_PROGRESS) == 0) {
- snd_printd("cs4231_mce_down - auto calibration time out (1)\n");
- spin_unlock_irqrestore(&chip->lock, flags);
- return;
- }
-
- /* in 10ms increments, check condition, up to 250ms */
- timeout = 25;
- while (snd_cs4231_in(chip, CS4231_TEST_INIT) &
- CS4231_CALIB_IN_PROGRESS) {
+ /*
+ * Wait for auto-calibration (AC) process to finish, i.e. ACI to go low.
+ */
+ timeout = jiffies + msecs_to_jiffies(250);
+ do {
spin_unlock_irqrestore(&chip->lock, flags);
- if (--timeout < 0) {
- snd_printk("mce_down - "
- "auto calibration time out (2)\n");
- return;
- }
- msleep(10);
- spin_lock_irqsave(&chip->lock, flags);
- }
-
- /* in 10ms increments, check condition, up to 100ms */
- timeout = 10;
- while (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) {
- spin_unlock_irqrestore(&chip->lock, flags);
- if (--timeout < 0) {
- snd_printk("mce_down - "
- "auto calibration time out (3)\n");
- return;
- }
- msleep(10);
+ msleep(1);
spin_lock_irqsave(&chip->lock, flags);
- }
+ reg = snd_cs4231_in(chip, CS4231_TEST_INIT);
+ reg &= CS4231_CALIB_IN_PROGRESS;
+ } while (reg && time_before(jiffies, timeout));
spin_unlock_irqrestore(&chip->lock, flags);
+
+ if (reg)
+ snd_printk(KERN_ERR
+ "mce_down - auto calibration time out (2)\n");
}
static void snd_cs4231_advance_dma(struct cs4231_dma_control *dma_cont,
return 0;
}
-static void __init snd_cs4231_init(struct snd_cs4231 *chip)
+static void __devinit snd_cs4231_init(struct snd_cs4231 *chip)
{
unsigned long flags;
CS4231_RECORD_IRQ |
CS4231_TIMER_IRQ);
snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
- __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */
- __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */
+ __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
+ __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ |
CS4231_RECORD_IRQ |
/* disable IRQ */
spin_lock_irqsave(&chip->lock, flags);
snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
- __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */
- __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */
+ __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
+ __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
/* now disable record & playback */
/* clear IRQ again */
snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
- __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */
- __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */
+ __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
+ __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
spin_unlock_irqrestore(&chip->lock, flags);
snd_cs4231_calibrate_mute(chip, 0);
return bytes_to_frames(substream->runtime, ptr);
}
-static int __init snd_cs4231_probe(struct snd_cs4231 *chip)
+static int __devinit snd_cs4231_probe(struct snd_cs4231 *chip)
{
unsigned long flags;
int i;
for (i = 0; i < 50; i++) {
mb();
- if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
+ if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
msleep(2);
else {
spin_lock_irqsave(&chip->lock, flags);
spin_lock_irqsave(&chip->lock, flags);
- __cs4231_readb(chip, CS4231P(chip, STATUS)); /* clear any pendings IRQ */
- __cs4231_writeb(chip, 0, CS4231P(chip, STATUS));
+ /* clear any pendings IRQ */
+ __cs4231_readb(chip, CS4231U(chip, STATUS));
+ __cs4231_writeb(chip, 0, CS4231U(chip, STATUS));
mb();
spin_unlock_irqrestore(&chip->lock, flags);
.pointer = snd_cs4231_capture_pointer,
};
-static int __init snd_cs4231_pcm(struct snd_card *card)
+static int __devinit snd_cs4231_pcm(struct snd_card *card)
{
struct snd_cs4231 *chip = card->private_data;
struct snd_pcm *pcm;
pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
strcpy(pcm->name, "CS4231");
- chip->p_dma.preallocate(chip, pcm);
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ &chip->op->dev,
+ 64 * 1024, 128 * 1024);
chip->pcm = pcm;
return 0;
}
-static int __init snd_cs4231_timer(struct snd_card *card)
+static int __devinit snd_cs4231_timer(struct snd_card *card)
{
struct snd_cs4231 *chip = card->private_data;
struct snd_timer *timer;
.private_value = (left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | \
((shift_right) << 19) | ((mask) << 24) | ((invert) << 22) }
-static struct snd_kcontrol_new snd_cs4231_controls[] __initdata = {
+static struct snd_kcontrol_new snd_cs4231_controls[] __devinitdata = {
CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT,
CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT,
CS4231_SINGLE("Headphone Out Switch", 0, CS4231_PIN_CTRL, 7, 1, 1)
};
-static int __init snd_cs4231_mixer(struct snd_card *card)
+static int __devinit snd_cs4231_mixer(struct snd_card *card)
{
struct snd_cs4231 *chip = card->private_data;
int err, idx;
- snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL);
+ if (snd_BUG_ON(!chip || !chip->pcm))
+ return -EINVAL;
strcpy(card->mixername, chip->pcm->name);
static int dev;
-static int __init cs4231_attach_begin(struct snd_card **rcard)
+static int __devinit cs4231_attach_begin(struct snd_card **rcard)
{
struct snd_card *card;
struct snd_cs4231 *chip;
+ int err;
*rcard = NULL;
return -ENOENT;
}
- card = snd_card_new(index[dev], id[dev], THIS_MODULE,
- sizeof(struct snd_cs4231));
- if (card == NULL)
- return -ENOMEM;
+ err = snd_card_create(index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_cs4231), &card);
+ if (err < 0)
+ return err;
strcpy(card->driver, "CS4231");
strcpy(card->shortname, "Sun CS4231");
return 0;
}
-static int __init cs4231_attach_finish(struct snd_card *card)
+static int __devinit cs4231_attach_finish(struct snd_card *card)
{
struct snd_cs4231 *chip = card->private_data;
int err;
if (err < 0)
goto out_err;
- chip->next = cs4231_list;
- cs4231_list = chip;
+ dev_set_drvdata(&chip->op->dev, chip);
dev++;
return 0;
struct snd_cs4231 *chip = dev_id;
/*This is IRQ is not raised by the cs4231*/
- if (!(__cs4231_readb(chip, CS4231P(chip, STATUS)) & CS4231_GLOBALIRQ))
+ if (!(__cs4231_readb(chip, CS4231U(chip, STATUS)) & CS4231_GLOBALIRQ))
return IRQ_NONE;
/* ACK the APC interrupt. */
return sbus_readl(base->regs + base->dir + APCVA);
}
-static void sbus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm)
-{
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_SBUS,
- snd_dma_sbus_data(chip->dev_u.sdev),
- 64 * 1024, 128 * 1024);
-}
-
/*
* Init and exit routines
*/
static int snd_cs4231_sbus_free(struct snd_cs4231 *chip)
{
+ struct of_device *op = chip->op;
+
if (chip->irq[0])
free_irq(chip->irq[0], chip);
if (chip->port)
- sbus_iounmap(chip->port, chip->regs_size);
+ of_iounmap(&op->resource[0], chip->port, chip->regs_size);
return 0;
}
.dev_free = snd_cs4231_sbus_dev_free,
};
-static int __init snd_cs4231_sbus_create(struct snd_card *card,
- struct sbus_dev *sdev,
- int dev)
+static int __devinit snd_cs4231_sbus_create(struct snd_card *card,
+ struct of_device *op,
+ int dev)
{
struct snd_cs4231 *chip = card->private_data;
int err;
spin_lock_init(&chip->p_dma.sbus_info.lock);
mutex_init(&chip->mce_mutex);
mutex_init(&chip->open_mutex);
- chip->dev_u.sdev = sdev;
- chip->regs_size = sdev->reg_addrs[0].reg_size;
+ chip->op = op;
+ chip->regs_size = resource_size(&op->resource[0]);
memcpy(&chip->image, &snd_cs4231_original_image,
sizeof(snd_cs4231_original_image));
- chip->port = sbus_ioremap(&sdev->resource[0], 0,
- chip->regs_size, "cs4231");
+ chip->port = of_ioremap(&op->resource[0], 0,
+ chip->regs_size, "cs4231");
if (!chip->port) {
snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
return -EIO;
chip->p_dma.enable = sbus_dma_enable;
chip->p_dma.request = sbus_dma_request;
chip->p_dma.address = sbus_dma_addr;
- chip->p_dma.preallocate = sbus_dma_preallocate;
chip->c_dma.prepare = sbus_dma_prepare;
chip->c_dma.enable = sbus_dma_enable;
chip->c_dma.request = sbus_dma_request;
chip->c_dma.address = sbus_dma_addr;
- chip->c_dma.preallocate = sbus_dma_preallocate;
- if (request_irq(sdev->irqs[0], snd_cs4231_sbus_interrupt,
+ if (request_irq(op->irqs[0], snd_cs4231_sbus_interrupt,
IRQF_SHARED, "cs4231", chip)) {
snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %d\n",
- dev, sdev->irqs[0]);
+ dev, op->irqs[0]);
snd_cs4231_sbus_free(chip);
return -EBUSY;
}
- chip->irq[0] = sdev->irqs[0];
+ chip->irq[0] = op->irqs[0];
if (snd_cs4231_probe(chip) < 0) {
snd_cs4231_sbus_free(chip);
return 0;
}
-static int __init cs4231_sbus_attach(struct sbus_dev *sdev)
+static int __devinit cs4231_sbus_probe(struct of_device *op, const struct of_device_id *match)
{
- struct resource *rp = &sdev->resource[0];
+ struct resource *rp = &op->resource[0];
struct snd_card *card;
int err;
card->shortname,
rp->flags & 0xffL,
(unsigned long long)rp->start,
- sdev->irqs[0]);
+ op->irqs[0]);
- err = snd_cs4231_sbus_create(card, sdev, dev);
+ err = snd_cs4231_sbus_create(card, op, dev);
if (err < 0) {
snd_card_free(card);
return err;
return ebus_dma_addr(&dma_cont->ebus_info);
}
-static void _ebus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm)
-{
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- snd_dma_pci_data(chip->dev_u.pdev),
- 64*1024, 128*1024);
-}
-
/*
* Init and exit routines
*/
static int snd_cs4231_ebus_free(struct snd_cs4231 *chip)
{
+ struct of_device *op = chip->op;
+
if (chip->c_dma.ebus_info.regs) {
ebus_dma_unregister(&chip->c_dma.ebus_info);
- iounmap(chip->c_dma.ebus_info.regs);
+ of_iounmap(&op->resource[2], chip->c_dma.ebus_info.regs, 0x10);
}
if (chip->p_dma.ebus_info.regs) {
ebus_dma_unregister(&chip->p_dma.ebus_info);
- iounmap(chip->p_dma.ebus_info.regs);
+ of_iounmap(&op->resource[1], chip->p_dma.ebus_info.regs, 0x10);
}
if (chip->port)
- iounmap(chip->port);
+ of_iounmap(&op->resource[0], chip->port, 0x10);
return 0;
}
.dev_free = snd_cs4231_ebus_dev_free,
};
-static int __init snd_cs4231_ebus_create(struct snd_card *card,
- struct linux_ebus_device *edev,
- int dev)
+static int __devinit snd_cs4231_ebus_create(struct snd_card *card,
+ struct of_device *op,
+ int dev)
{
struct snd_cs4231 *chip = card->private_data;
int err;
mutex_init(&chip->mce_mutex);
mutex_init(&chip->open_mutex);
chip->flags |= CS4231_FLAG_EBUS;
- chip->dev_u.pdev = edev->bus->self;
+ chip->op = op;
memcpy(&chip->image, &snd_cs4231_original_image,
sizeof(snd_cs4231_original_image));
strcpy(chip->c_dma.ebus_info.name, "cs4231(capture)");
chip->c_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
chip->c_dma.ebus_info.callback = snd_cs4231_ebus_capture_callback;
chip->c_dma.ebus_info.client_cookie = chip;
- chip->c_dma.ebus_info.irq = edev->irqs[0];
+ chip->c_dma.ebus_info.irq = op->irqs[0];
strcpy(chip->p_dma.ebus_info.name, "cs4231(play)");
chip->p_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
chip->p_dma.ebus_info.callback = snd_cs4231_ebus_play_callback;
chip->p_dma.ebus_info.client_cookie = chip;
- chip->p_dma.ebus_info.irq = edev->irqs[1];
+ chip->p_dma.ebus_info.irq = op->irqs[1];
chip->p_dma.prepare = _ebus_dma_prepare;
chip->p_dma.enable = _ebus_dma_enable;
chip->p_dma.request = _ebus_dma_request;
chip->p_dma.address = _ebus_dma_addr;
- chip->p_dma.preallocate = _ebus_dma_preallocate;
chip->c_dma.prepare = _ebus_dma_prepare;
chip->c_dma.enable = _ebus_dma_enable;
chip->c_dma.request = _ebus_dma_request;
chip->c_dma.address = _ebus_dma_addr;
- chip->c_dma.preallocate = _ebus_dma_preallocate;
- chip->port = ioremap(edev->resource[0].start, 0x10);
- chip->p_dma.ebus_info.regs = ioremap(edev->resource[1].start, 0x10);
- chip->c_dma.ebus_info.regs = ioremap(edev->resource[2].start, 0x10);
+ chip->port = of_ioremap(&op->resource[0], 0, 0x10, "cs4231");
+ chip->p_dma.ebus_info.regs =
+ of_ioremap(&op->resource[1], 0, 0x10, "cs4231_pdma");
+ chip->c_dma.ebus_info.regs =
+ of_ioremap(&op->resource[2], 0, 0x10, "cs4231_cdma");
if (!chip->port || !chip->p_dma.ebus_info.regs ||
!chip->c_dma.ebus_info.regs) {
snd_cs4231_ebus_free(chip);
return 0;
}
-static int __init cs4231_ebus_attach(struct linux_ebus_device *edev)
+static int __devinit cs4231_ebus_probe(struct of_device *op, const struct of_device_id *match)
{
struct snd_card *card;
int err;
if (err)
return err;
- sprintf(card->longname, "%s at 0x%lx, irq %d",
+ sprintf(card->longname, "%s at 0x%llx, irq %d",
card->shortname,
- edev->resource[0].start,
- edev->irqs[0]);
+ op->resource[0].start,
+ op->irqs[0]);
- err = snd_cs4231_ebus_create(card, edev, dev);
+ err = snd_cs4231_ebus_create(card, op, dev);
if (err < 0) {
snd_card_free(card);
return err;
}
#endif
-static int __init cs4231_init(void)
+static int __devinit cs4231_probe(struct of_device *op, const struct of_device_id *match)
{
-#ifdef SBUS_SUPPORT
- struct sbus_bus *sbus;
- struct sbus_dev *sdev;
-#endif
#ifdef EBUS_SUPPORT
- struct linux_ebus *ebus;
- struct linux_ebus_device *edev;
+ if (!strcmp(op->node->parent->name, "ebus"))
+ return cs4231_ebus_probe(op, match);
#endif
- int found;
-
- found = 0;
-
#ifdef SBUS_SUPPORT
- for_all_sbusdev(sdev, sbus) {
- if (!strcmp(sdev->prom_name, "SUNW,CS4231")) {
- if (cs4231_sbus_attach(sdev) == 0)
- found++;
- }
- }
+ if (!strcmp(op->node->parent->name, "sbus") ||
+ !strcmp(op->node->parent->name, "sbi"))
+ return cs4231_sbus_probe(op, match);
#endif
-#ifdef EBUS_SUPPORT
- for_each_ebus(ebus) {
- for_each_ebusdev(edev, ebus) {
- int match = 0;
-
- if (!strcmp(edev->prom_node->name, "SUNW,CS4231")) {
- match = 1;
- } else if (!strcmp(edev->prom_node->name, "audio")) {
- const char *compat;
-
- compat = of_get_property(edev->prom_node,
- "compatible", NULL);
- if (compat && !strcmp(compat, "SUNW,CS4231"))
- match = 1;
- }
+ return -ENODEV;
+}
- if (match &&
- cs4231_ebus_attach(edev) == 0)
- found++;
- }
- }
-#endif
+static int __devexit cs4231_remove(struct of_device *op)
+{
+ struct snd_cs4231 *chip = dev_get_drvdata(&op->dev);
+ snd_card_free(chip->card);
- return (found > 0) ? 0 : -EIO;
+ return 0;
}
-static void __exit cs4231_exit(void)
-{
- struct snd_cs4231 *p = cs4231_list;
+static const struct of_device_id cs4231_match[] = {
+ {
+ .name = "SUNW,CS4231",
+ },
+ {
+ .name = "audio",
+ .compatible = "SUNW,CS4231",
+ },
+ {},
+};
- while (p != NULL) {
- struct snd_cs4231 *next = p->next;
+MODULE_DEVICE_TABLE(of, cs4231_match);
- snd_card_free(p->card);
+static struct of_platform_driver cs4231_driver = {
+ .name = "audio",
+ .match_table = cs4231_match,
+ .probe = cs4231_probe,
+ .remove = __devexit_p(cs4231_remove),
+};
- p = next;
- }
+static int __init cs4231_init(void)
+{
+ return of_register_driver(&cs4231_driver, &of_bus_type);
+}
- cs4231_list = NULL;
+static void __exit cs4231_exit(void)
+{
+ of_unregister_driver(&cs4231_driver);
}
module_init(cs4231_init);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff