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path: root/sound/pci/fm801.c
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Diffstat (limited to 'sound/pci/fm801.c')
-rw-r--r--sound/pci/fm801.c226
1 files changed, 121 insertions, 105 deletions
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index db18ccabadd6..529f5f4f4c9c 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -23,6 +23,7 @@
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/io.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/module.h>
@@ -34,8 +35,6 @@
#include <sound/opl3.h>
#include <sound/initval.h>
-#include <asm/io.h>
-
#ifdef CONFIG_SND_FM801_TEA575X_BOOL
#include <media/tea575x.h>
#endif
@@ -80,7 +79,10 @@ MODULE_PARM_DESC(radio_nr, "Radio device numbers");
* Direct registers
*/
-#define FM801_REG(chip, reg) (chip->port + FM801_##reg)
+#define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg)
+#define fm801_readw(chip,reg) inw(chip->port + FM801_##reg)
+
+#define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg)
#define FM801_PCM_VOL 0x00 /* PCM Output Volume */
#define FM801_FM_VOL 0x02 /* FM Output Volume */
@@ -156,21 +158,27 @@ MODULE_PARM_DESC(radio_nr, "Radio device numbers");
#define FM801_GPIO_GS3 (1<<15)
#define FM801_GPIO_GS(x) (1<<(12+(x)))
-/*
-
+/**
+ * struct fm801 - describes FM801 chip
+ * @port: I/O port number
+ * @multichannel: multichannel support
+ * @secondary: secondary codec
+ * @secondary_addr: address of the secondary codec
+ * @tea575x_tuner: tuner access method & flags
+ * @ply_ctrl: playback control
+ * @cap_ctrl: capture control
*/
-
struct fm801 {
int irq;
- unsigned long port; /* I/O port number */
- unsigned int multichannel: 1, /* multichannel support */
- secondary: 1; /* secondary codec */
- unsigned char secondary_addr; /* address of the secondary codec */
- unsigned int tea575x_tuner; /* tuner access method & flags */
+ unsigned long port;
+ unsigned int multichannel: 1,
+ secondary: 1;
+ unsigned char secondary_addr;
+ unsigned int tea575x_tuner;
- unsigned short ply_ctrl; /* playback control */
- unsigned short cap_ctrl; /* capture control */
+ unsigned short ply_ctrl;
+ unsigned short cap_ctrl;
unsigned long ply_buffer;
unsigned int ply_buf;
@@ -222,6 +230,30 @@ MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
* common I/O routines
*/
+static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
+{
+ unsigned int idx;
+
+ for (idx = 0; idx < iterations; idx++) {
+ if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
+ return true;
+ udelay(10);
+ }
+ return false;
+}
+
+static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
+{
+ unsigned int idx;
+
+ for (idx = 0; idx < iterations; idx++) {
+ if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
+ return true;
+ udelay(10);
+ }
+ return false;
+}
+
static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
unsigned short mask, unsigned short value)
{
@@ -244,73 +276,54 @@ static void snd_fm801_codec_write(struct snd_ac97 *ac97,
unsigned short val)
{
struct fm801 *chip = ac97->private_data;
- int idx;
/*
* Wait until the codec interface is not ready..
*/
- for (idx = 0; idx < 100; idx++) {
- if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
- goto ok1;
- udelay(10);
+ if (!fm801_ac97_is_ready(chip, 100)) {
+ dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
+ return;
}
- dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
- return;
- ok1:
/* write data and address */
- outw(val, FM801_REG(chip, AC97_DATA));
- outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
+ fm801_writew(chip, AC97_DATA, val);
+ fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
/*
* Wait until the write command is not completed..
- */
- for (idx = 0; idx < 1000; idx++) {
- if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
- return;
- udelay(10);
- }
- dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", ac97->num);
+ */
+ if (!fm801_ac97_is_ready(chip, 1000))
+ dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
+ ac97->num);
}
static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
{
struct fm801 *chip = ac97->private_data;
- int idx;
/*
* Wait until the codec interface is not ready..
*/
- for (idx = 0; idx < 100; idx++) {
- if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
- goto ok1;
- udelay(10);
+ if (!fm801_ac97_is_ready(chip, 100)) {
+ dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
+ return 0;
}
- dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
- return 0;
- ok1:
/* read command */
- outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
- FM801_REG(chip, AC97_CMD));
- for (idx = 0; idx < 100; idx++) {
- if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
- goto ok2;
- udelay(10);
+ fm801_writew(chip, AC97_CMD,
+ reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
+ if (!fm801_ac97_is_ready(chip, 100)) {
+ dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
+ ac97->num);
+ return 0;
}
- dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", ac97->num);
- return 0;
- ok2:
- for (idx = 0; idx < 1000; idx++) {
- if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
- goto ok3;
- udelay(10);
+ if (!fm801_ac97_is_valid(chip, 1000)) {
+ dev_err(chip->card->dev,
+ "AC'97 interface #%d is not valid (2)\n", ac97->num);
+ return 0;
}
- dev_err(chip->card->dev, "AC'97 interface #%d is not valid (2)\n", ac97->num);
- return 0;
- ok3:
- return inw(FM801_REG(chip, AC97_DATA));
+ return fm801_readw(chip, AC97_DATA);
}
static unsigned int rates[] = {
@@ -384,7 +397,7 @@ static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
snd_BUG();
return -EINVAL;
}
- outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
+ fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
spin_unlock(&chip->reg_lock);
return 0;
}
@@ -419,7 +432,7 @@ static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
snd_BUG();
return -EINVAL;
}
- outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
+ fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
spin_unlock(&chip->reg_lock);
return 0;
}
@@ -457,12 +470,13 @@ static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
}
chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
chip->ply_buf = 0;
- outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
- outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
+ fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
+ fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
chip->ply_buffer = runtime->dma_addr;
chip->ply_pos = 0;
- outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
- outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
+ fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
+ fm801_writel(chip, PLY_BUF2,
+ chip->ply_buffer + (chip->ply_count % chip->ply_size));
spin_unlock_irq(&chip->reg_lock);
return 0;
}
@@ -483,12 +497,13 @@ static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
chip->cap_ctrl |= FM801_STEREO;
chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
chip->cap_buf = 0;
- outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
- outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
+ fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
+ fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
chip->cap_buffer = runtime->dma_addr;
chip->cap_pos = 0;
- outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
- outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
+ fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
+ fm801_writel(chip, CAP_BUF2,
+ chip->cap_buffer + (chip->cap_count % chip->cap_size));
spin_unlock_irq(&chip->reg_lock);
return 0;
}
@@ -501,8 +516,8 @@ static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *su
if (!(chip->ply_ctrl & FM801_START))
return 0;
spin_lock(&chip->reg_lock);
- ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
- if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
+ ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
+ if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
ptr += chip->ply_count;
ptr %= chip->ply_size;
}
@@ -518,8 +533,8 @@ static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *sub
if (!(chip->cap_ctrl & FM801_START))
return 0;
spin_lock(&chip->reg_lock);
- ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
- if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
+ ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
+ if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
ptr += chip->cap_count;
ptr %= chip->cap_size;
}
@@ -533,12 +548,12 @@ static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
unsigned short status;
unsigned int tmp;
- status = inw(FM801_REG(chip, IRQ_STATUS));
+ status = fm801_readw(chip, IRQ_STATUS);
status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
if (! status)
return IRQ_NONE;
/* ack first */
- outw(status, FM801_REG(chip, IRQ_STATUS));
+ fm801_writew(chip, IRQ_STATUS, status);
if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
spin_lock(&chip->reg_lock);
chip->ply_buf++;
@@ -546,10 +561,10 @@ static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
chip->ply_pos %= chip->ply_size;
tmp = chip->ply_pos + chip->ply_count;
tmp %= chip->ply_size;
- outl(chip->ply_buffer + tmp,
- (chip->ply_buf & 1) ?
- FM801_REG(chip, PLY_BUF1) :
- FM801_REG(chip, PLY_BUF2));
+ if (chip->ply_buf & 1)
+ fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
+ else
+ fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(chip->playback_substream);
}
@@ -560,10 +575,10 @@ static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
chip->cap_pos %= chip->cap_size;
tmp = chip->cap_pos + chip->cap_count;
tmp %= chip->cap_size;
- outl(chip->cap_buffer + tmp,
- (chip->cap_buf & 1) ?
- FM801_REG(chip, CAP_BUF1) :
- FM801_REG(chip, CAP_BUF2));
+ if (chip->cap_buf & 1)
+ fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
+ else
+ fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(chip->capture_substream);
}
@@ -747,7 +762,7 @@ static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
{
struct fm801 *chip = tea->private_data;
- unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
+ unsigned short reg = fm801_readw(chip, GPIO_CTRL);
struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
reg &= ~(FM801_GPIO_GP(gpio.data) |
@@ -759,13 +774,13 @@ static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
/* WRITE_ENABLE is inverted */
reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
- outw(reg, FM801_REG(chip, GPIO_CTRL));
+ fm801_writew(chip, GPIO_CTRL, reg);
}
static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
{
struct fm801 *chip = tea->private_data;
- unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
+ unsigned short reg = fm801_readw(chip, GPIO_CTRL);
struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
u8 ret;
@@ -780,7 +795,7 @@ static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
{
struct fm801 *chip = tea->private_data;
- unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
+ unsigned short reg = fm801_readw(chip, GPIO_CTRL);
struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
/* use GPIO lines and set write enable bit */
@@ -811,7 +826,7 @@ static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output
FM801_GPIO_GP(gpio.clk));
}
- outw(reg, FM801_REG(chip, GPIO_CTRL));
+ fm801_writew(chip, GPIO_CTRL, reg);
}
static struct snd_tea575x_ops snd_fm801_tea_ops = {
@@ -962,7 +977,7 @@ static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
struct fm801 *chip = snd_kcontrol_chip(kcontrol);
unsigned short val;
- val = inw(FM801_REG(chip, REC_SRC)) & 7;
+ val = fm801_readw(chip, REC_SRC) & 7;
if (val > 4)
val = 4;
ucontrol->value.enumerated.item[0] = val;
@@ -1073,12 +1088,12 @@ static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
{
unsigned long timeout = jiffies + waits;
- outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
- FM801_REG(chip, AC97_CMD));
+ fm801_writew(chip, AC97_CMD,
+ reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
udelay(5);
do {
- if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
- == FM801_AC97_VALID)
+ if ((fm801_readw(chip, AC97_CMD) &
+ (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
return 0;
schedule_timeout_uninterruptible(1);
} while (time_after(timeout, jiffies));
@@ -1093,10 +1108,10 @@ static int snd_fm801_chip_init(struct fm801 *chip, int resume)
goto __ac97_ok;
/* codec cold reset + AC'97 warm reset */
- outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
- inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
+ fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
+ fm801_readw(chip, CODEC_CTRL); /* flush posting data */
udelay(100);
- outw(0, FM801_REG(chip, CODEC_CTRL));
+ fm801_writew(chip, CODEC_CTRL, 0);
if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
if (!resume) {
@@ -1117,7 +1132,7 @@ static int snd_fm801_chip_init(struct fm801 *chip, int resume)
for (i = 3; i > 0; i--) {
if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
msecs_to_jiffies(50))) {
- cmdw = inw(FM801_REG(chip, AC97_DATA));
+ cmdw = fm801_readw(chip, AC97_DATA);
if (cmdw != 0xffff && cmdw != 0) {
chip->secondary = 1;
chip->secondary_addr = i;
@@ -1135,23 +1150,24 @@ static int snd_fm801_chip_init(struct fm801 *chip, int resume)
__ac97_ok:
/* init volume */
- outw(0x0808, FM801_REG(chip, PCM_VOL));
- outw(0x9f1f, FM801_REG(chip, FM_VOL));
- outw(0x8808, FM801_REG(chip, I2S_VOL));
+ fm801_writew(chip, PCM_VOL, 0x0808);
+ fm801_writew(chip, FM_VOL, 0x9f1f);
+ fm801_writew(chip, I2S_VOL, 0x8808);
/* I2S control - I2S mode */
- outw(0x0003, FM801_REG(chip, I2S_MODE));
+ fm801_writew(chip, I2S_MODE, 0x0003);
/* interrupt setup */
- cmdw = inw(FM801_REG(chip, IRQ_MASK));
+ cmdw = fm801_readw(chip, IRQ_MASK);
if (chip->irq < 0)
cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
else
cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
- outw(cmdw, FM801_REG(chip, IRQ_MASK));
+ fm801_writew(chip, IRQ_MASK, cmdw);
/* interrupt clear */
- outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
+ fm801_writew(chip, IRQ_STATUS,
+ FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
return 0;
}
@@ -1165,9 +1181,9 @@ static int snd_fm801_free(struct fm801 *chip)
goto __end_hw;
/* interrupt setup - mask everything */
- cmdw = inw(FM801_REG(chip, IRQ_MASK));
+ cmdw = fm801_readw(chip, IRQ_MASK);
cmdw |= 0x00c3;
- outw(cmdw, FM801_REG(chip, IRQ_MASK));
+ fm801_writew(chip, IRQ_MASK, cmdw);
__end_hw:
#ifdef CONFIG_SND_FM801_TEA575X_BOOL
@@ -1339,15 +1355,15 @@ static int snd_card_fm801_probe(struct pci_dev *pci,
return err;
}
if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
- FM801_REG(chip, MPU401_DATA),
+ chip->port + FM801_MPU401_DATA,
MPU401_INFO_INTEGRATED |
MPU401_INFO_IRQ_HOOK,
-1, &chip->rmidi)) < 0) {
snd_card_free(card);
return err;
}
- if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
- FM801_REG(chip, OPL3_BANK1),
+ if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
+ chip->port + FM801_OPL3_BANK1,
OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
snd_card_free(card);
return err;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-22 16:33:51 +0000