#include <linux/gameport.h>
#include <linux/moduleparam.h>
#include <linux/mutex.h>
+#include <linux/input.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/initval.h>
+#ifdef CONFIG_SND_ES1968_RADIO
+#include <sound/tea575x-tuner.h>
+#endif
+
#define CARD_NAME "ESS Maestro1/2"
#define DRIVER_NAME "ES1968"
#define RINGB_EN_2CODEC 0x0020
#define RINGB_SING_BIT_DUAL 0x0040
-/* ****Port Adresses**** */
+/* ****Port Addresses**** */
/* Write & Read */
#define ESM_INDEX 0x02
/* ALSA Stuff */
struct snd_ac97 *ac97;
- struct snd_kcontrol *master_switch; /* for h/w volume control */
- struct snd_kcontrol *master_volume;
-
struct snd_rawmidi *rmidi;
spinlock_t reg_lock;
- spinlock_t ac97_lock;
- struct tasklet_struct hwvol_tq;
unsigned int in_suspend;
/* Maestro Stuff */
#ifdef SUPPORT_JOYSTICK
struct gameport *gameport;
#endif
+
+#ifdef CONFIG_SND_ES1968_INPUT
+ struct input_dev *input_dev;
+ char phys[64]; /* physical device path */
+#else
+ struct snd_kcontrol *master_switch; /* for h/w volume control */
+ struct snd_kcontrol *master_volume;
+#endif
+ struct work_struct hwvol_work;
+
+#ifdef CONFIG_SND_ES1968_RADIO
+ struct snd_tea575x tea;
+#endif
};
static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id);
-static struct pci_device_id snd_es1968_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(snd_es1968_ids) = {
/* Maestro 1 */
{ 0x1285, 0x0100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, TYPE_MAESTRO },
/* Maestro 2 */
static void snd_es1968_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
{
struct es1968 *chip = ac97->private_data;
- unsigned long flags;
snd_es1968_ac97_wait(chip);
/* Write the bus */
- spin_lock_irqsave(&chip->ac97_lock, flags);
outw(val, chip->io_port + ESM_AC97_DATA);
/*msleep(1);*/
outb(reg, chip->io_port + ESM_AC97_INDEX);
/*msleep(1);*/
- spin_unlock_irqrestore(&chip->ac97_lock, flags);
}
static unsigned short snd_es1968_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
{
u16 data = 0;
struct es1968 *chip = ac97->private_data;
- unsigned long flags;
snd_es1968_ac97_wait(chip);
- spin_lock_irqsave(&chip->ac97_lock, flags);
outb(reg | 0x80, chip->io_port + ESM_AC97_INDEX);
/*msleep(1);*/
data = inw(chip->io_port + ESM_AC97_DATA);
/*msleep(1);*/
}
- spin_unlock_irqrestore(&chip->ac97_lock, flags);
return data;
}
/* no spinlock */
static void __apu_set_register(struct es1968 *chip, u16 channel, u8 reg, u16 data)
{
- snd_assert(channel < NR_APUS, return);
+ if (snd_BUG_ON(channel >= NR_APUS))
+ return;
#ifdef CONFIG_PM
chip->apu_map[channel][reg] = data;
#endif
static u16 __apu_get_register(struct es1968 *chip, u16 channel, u8 reg)
{
- snd_assert(channel < NR_APUS, return 0);
+ if (snd_BUG_ON(channel >= NR_APUS))
+ return 0;
reg |= (channel << 4);
apu_index_set(chip, reg);
return __maestro_read(chip, IDR0_DATA_PORT);
}
}
-/*
- */
-static void es1968_update_hw_volume(unsigned long private_data)
+/* The hardware volume works by incrementing / decrementing 2 counters
+ (without wrap around) in response to volume button presses and then
+ generating an interrupt. The pair of counters is stored in bits 1-3 and 5-7
+ of a byte wide register. The meaning of bits 0 and 4 is unknown. */
+static void es1968_update_hw_volume(struct work_struct *work)
{
- struct es1968 *chip = (struct es1968 *) private_data;
+ struct es1968 *chip = container_of(work, struct es1968, hwvol_work);
int x, val;
- unsigned long flags;
/* Figure out which volume control button was pushed,
based on differences from the default register
if (chip->in_suspend)
return;
+#ifndef CONFIG_SND_ES1968_INPUT
if (! chip->master_switch || ! chip->master_volume)
return;
- /* FIXME: we can't call snd_ac97_* functions since here is in tasklet. */
- spin_lock_irqsave(&chip->ac97_lock, flags);
- val = chip->ac97->regs[AC97_MASTER];
+ val = snd_ac97_read(chip->ac97, AC97_MASTER);
switch (x) {
case 0x88:
/* mute */
val ^= 0x8000;
- chip->ac97->regs[AC97_MASTER] = val;
- outw(val, chip->io_port + ESM_AC97_DATA);
- outb(AC97_MASTER, chip->io_port + ESM_AC97_INDEX);
- snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
- &chip->master_switch->id);
break;
case 0xaa:
/* volume up */
val--;
if ((val & 0x7f00) > 0)
val -= 0x0100;
- chip->ac97->regs[AC97_MASTER] = val;
- outw(val, chip->io_port + ESM_AC97_DATA);
- outb(AC97_MASTER, chip->io_port + ESM_AC97_INDEX);
- snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
- &chip->master_volume->id);
break;
case 0x66:
/* volume down */
val++;
if ((val & 0x7f00) < 0x1f00)
val += 0x0100;
- chip->ac97->regs[AC97_MASTER] = val;
- outw(val, chip->io_port + ESM_AC97_DATA);
- outb(AC97_MASTER, chip->io_port + ESM_AC97_INDEX);
+ break;
+ }
+ if (snd_ac97_update(chip->ac97, AC97_MASTER, val))
snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
&chip->master_volume->id);
+#else
+ if (!chip->input_dev)
+ return;
+
+ val = 0;
+ switch (x) {
+ case 0x88:
+ /* The counters have not changed, yet we've received a HV
+ interrupt. According to tests run by various people this
+ happens when pressing the mute button. */
+ val = KEY_MUTE;
+ break;
+ case 0xaa:
+ /* counters increased by 1 -> volume up */
+ val = KEY_VOLUMEUP;
+ break;
+ case 0x66:
+ /* counters decreased by 1 -> volume down */
+ val = KEY_VOLUMEDOWN;
break;
}
- spin_unlock_irqrestore(&chip->ac97_lock, flags);
+
+ if (val) {
+ input_report_key(chip->input_dev, val, 1);
+ input_sync(chip->input_dev);
+ input_report_key(chip->input_dev, val, 0);
+ input_sync(chip->input_dev);
+ }
+#endif
}
/*
outw(inw(chip->io_port + 4) & 1, chip->io_port + 4);
if (event & ESM_HWVOL_IRQ)
- tasklet_hi_schedule(&chip->hwvol_tq); /* we'll do this later */
+ schedule_work(&chip->hwvol_work);
/* else ack 'em all, i imagine */
outb(0xFF, chip->io_port + 0x1A);
{
struct snd_ac97_bus *pbus;
struct snd_ac97_template ac97;
+#ifndef CONFIG_SND_ES1968_INPUT
struct snd_ctl_elem_id elem_id;
+#endif
int err;
static struct snd_ac97_bus_ops ops = {
.write = snd_es1968_ac97_write,
if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
return err;
+#ifndef CONFIG_SND_ES1968_INPUT
/* attach master switch / volumes for h/w volume control */
memset(&elem_id, 0, sizeof(elem_id));
elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
strcpy(elem_id.name, "Master Playback Volume");
chip->master_volume = snd_ctl_find_id(chip->card, &elem_id);
+#endif
return 0;
}
w = ESM_HIRQ_DSIE | ESM_HIRQ_HW_VOLUME;
if (chip->rmidi)
w |= ESM_HIRQ_MPU401;
+ outb(w, chip->io_port + 0x1A);
outw(w, chip->io_port + ESM_PORT_HOST_IRQ);
}
return 0;
chip->in_suspend = 1;
+ cancel_work_sync(&chip->hwvol_work);
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
snd_ac97_suspend(chip->ac97);
static inline void snd_es1968_free_gameport(struct es1968 *chip) { }
#endif
+#ifdef CONFIG_SND_ES1968_INPUT
+static int __devinit snd_es1968_input_register(struct es1968 *chip)
+{
+ struct input_dev *input_dev;
+ int err;
+
+ input_dev = input_allocate_device();
+ if (!input_dev)
+ return -ENOMEM;
+
+ snprintf(chip->phys, sizeof(chip->phys), "pci-%s/input0",
+ pci_name(chip->pci));
+
+ input_dev->name = chip->card->driver;
+ input_dev->phys = chip->phys;
+ input_dev->id.bustype = BUS_PCI;
+ input_dev->id.vendor = chip->pci->vendor;
+ input_dev->id.product = chip->pci->device;
+ input_dev->dev.parent = &chip->pci->dev;
+
+ __set_bit(EV_KEY, input_dev->evbit);
+ __set_bit(KEY_MUTE, input_dev->keybit);
+ __set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
+ __set_bit(KEY_VOLUMEUP, input_dev->keybit);
+
+ err = input_register_device(input_dev);
+ if (err) {
+ input_free_device(input_dev);
+ return err;
+ }
+
+ chip->input_dev = input_dev;
+ return 0;
+}
+#endif /* CONFIG_SND_ES1968_INPUT */
+
+#ifdef CONFIG_SND_ES1968_RADIO
+#define GPIO_DATA 0x60
+#define IO_MASK 4 /* mask register offset from GPIO_DATA
+ bits 1=unmask write to given bit */
+#define IO_DIR 8 /* direction register offset from GPIO_DATA
+ bits 0/1=read/write direction */
+/* mask bits for GPIO lines */
+#define STR_DATA 0x0040 /* GPIO6 */
+#define STR_CLK 0x0080 /* GPIO7 */
+#define STR_WREN 0x0100 /* GPIO8 */
+#define STR_MOST 0x0200 /* GPIO9 */
+
+static void snd_es1968_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
+{
+ struct es1968 *chip = tea->private_data;
+ unsigned long io = chip->io_port + GPIO_DATA;
+ u16 val = 0;
+
+ val |= (pins & TEA575X_DATA) ? STR_DATA : 0;
+ val |= (pins & TEA575X_CLK) ? STR_CLK : 0;
+ val |= (pins & TEA575X_WREN) ? STR_WREN : 0;
+
+ outw(val, io);
+}
+
+static u8 snd_es1968_tea575x_get_pins(struct snd_tea575x *tea)
+{
+ struct es1968 *chip = tea->private_data;
+ unsigned long io = chip->io_port + GPIO_DATA;
+ u16 val = inw(io);
+
+ return (val & STR_DATA) ? TEA575X_DATA : 0 |
+ (val & STR_MOST) ? TEA575X_MOST : 0;
+}
+
+static void snd_es1968_tea575x_set_direction(struct snd_tea575x *tea, bool output)
+{
+ struct es1968 *chip = tea->private_data;
+ unsigned long io = chip->io_port + GPIO_DATA;
+ u16 odir = inw(io + IO_DIR);
+
+ if (output) {
+ outw(~(STR_DATA | STR_CLK | STR_WREN), io + IO_MASK);
+ outw(odir | STR_DATA | STR_CLK | STR_WREN, io + IO_DIR);
+ } else {
+ outw(~(STR_CLK | STR_WREN | STR_DATA | STR_MOST), io + IO_MASK);
+ outw((odir & ~(STR_DATA | STR_MOST)) | STR_CLK | STR_WREN, io + IO_DIR);
+ }
+}
+
+static struct snd_tea575x_ops snd_es1968_tea_ops = {
+ .set_pins = snd_es1968_tea575x_set_pins,
+ .get_pins = snd_es1968_tea575x_get_pins,
+ .set_direction = snd_es1968_tea575x_set_direction,
+};
+#endif
+
static int snd_es1968_free(struct es1968 *chip)
{
+ cancel_work_sync(&chip->hwvol_work);
+#ifdef CONFIG_SND_ES1968_INPUT
+ if (chip->input_dev)
+ input_unregister_device(chip->input_dev);
+#endif
+
if (chip->io_port) {
if (chip->irq >= 0)
synchronize_irq(chip->irq);
outw(0, chip->io_port + ESM_PORT_HOST_IRQ); /* disable IRQ */
}
+#ifdef CONFIG_SND_ES1968_RADIO
+ snd_tea575x_exit(&chip->tea);
+#endif
+
if (chip->irq >= 0)
free_irq(chip->irq, chip);
snd_es1968_free_gameport(chip);
- chip->master_switch = NULL;
- chip->master_volume = NULL;
pci_release_regions(chip->pci);
pci_disable_device(chip->pci);
kfree(chip);
if ((err = pci_enable_device(pci)) < 0)
return err;
/* check, if we can restrict PCI DMA transfers to 28 bits */
- if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
- pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
+ if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 ||
+ pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) {
snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
pci_disable_device(pci);
return -ENXIO;
spin_lock_init(&chip->substream_lock);
INIT_LIST_HEAD(&chip->buf_list);
INIT_LIST_HEAD(&chip->substream_list);
- spin_lock_init(&chip->ac97_lock);
mutex_init(&chip->memory_mutex);
- tasklet_init(&chip->hwvol_tq, es1968_update_hw_volume, (unsigned long)chip);
+ INIT_WORK(&chip->hwvol_work, es1968_update_hw_volume);
chip->card = card;
chip->pci = pci;
chip->irq = -1;
}
chip->io_port = pci_resource_start(pci, 0);
if (request_irq(pci->irq, snd_es1968_interrupt, IRQF_SHARED,
- "ESS Maestro", chip)) {
+ KBUILD_MODNAME, chip)) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
snd_es1968_free(chip);
return -EBUSY;
snd_card_set_dev(card, &pci->dev);
+#ifdef CONFIG_SND_ES1968_RADIO
+ chip->tea.private_data = chip;
+ chip->tea.ops = &snd_es1968_tea_ops;
+ strlcpy(chip->tea.card, "SF64-PCE2", sizeof(chip->tea.card));
+ sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
+ if (!snd_tea575x_init(&chip->tea))
+ printk(KERN_INFO "es1968: detected TEA575x radio\n");
+#endif
+
*chip_ret = chip;
return 0;
return -ENOENT;
}
- card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
- if (!card)
- return -ENOMEM;
+ err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
+ if (err < 0)
+ return err;
if (total_bufsize[dev] < 128)
total_bufsize[dev] = 128;
snd_es1968_create_gameport(chip, dev);
+#ifdef CONFIG_SND_ES1968_INPUT
+ err = snd_es1968_input_register(chip);
+ if (err)
+ snd_printk(KERN_WARNING "Input device registration "
+ "failed with error %i", err);
+#endif
+
snd_es1968_start_irq(chip);
chip->clock = clock[dev];
}
static struct pci_driver driver = {
- .name = "ES1968 (ESS Maestro)",
+ .name = KBUILD_MODNAME,
.id_table = snd_es1968_ids,
.probe = snd_es1968_probe,
.remove = __devexit_p(snd_es1968_remove),
Code Review / linux-2.6.git / blobdiff