X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=sound%2Fpci%2Fes1968.c;h=1bf298d214b90462cfe7b5253c7d4d0f6c097fd1;hb=ce1d5b23a8d1e19866ab82bdec0dc41fde5273d8;hp=3c5ab7c2e72df73deb2ad544958e4e06acbe5711;hpb=83b0fe818cd2f6cc03365440f2b7cca297a45b4f;p=linux-2.6-omap-h63xx.git diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c index 3c5ab7c2e72..1bf298d214b 100644 --- a/sound/pci/es1968.c +++ b/sound/pci/es1968.c @@ -94,7 +94,6 @@ * places. */ -#include #include #include #include @@ -432,46 +431,6 @@ MODULE_PARM_DESC(joystick, "Enable joystick."); #define ESM_MODE_PLAY 0 #define ESM_MODE_CAPTURE 1 -/* acpi states */ -enum { - ACPI_D0=0, - ACPI_D1, - ACPI_D2, - ACPI_D3 -}; - -/* bits in the acpi masks */ -#define ACPI_12MHZ ( 1 << 15) -#define ACPI_24MHZ ( 1 << 14) -#define ACPI_978 ( 1 << 13) -#define ACPI_SPDIF ( 1 << 12) -#define ACPI_GLUE ( 1 << 11) -#define ACPI__10 ( 1 << 10) /* reserved */ -#define ACPI_PCIINT ( 1 << 9) -#define ACPI_HV ( 1 << 8) /* hardware volume */ -#define ACPI_GPIO ( 1 << 7) -#define ACPI_ASSP ( 1 << 6) -#define ACPI_SB ( 1 << 5) /* sb emul */ -#define ACPI_FM ( 1 << 4) /* fm emul */ -#define ACPI_RB ( 1 << 3) /* ringbus / aclink */ -#define ACPI_MIDI ( 1 << 2) -#define ACPI_GP ( 1 << 1) /* game port */ -#define ACPI_WP ( 1 << 0) /* wave processor */ - -#define ACPI_ALL (0xffff) -#define ACPI_SLEEP (~(ACPI_SPDIF|ACPI_ASSP|ACPI_SB|ACPI_FM| \ - ACPI_MIDI|ACPI_GP|ACPI_WP)) -#define ACPI_NONE (ACPI__10) - -/* these masks indicate which units we care about at - which states */ -static u16 acpi_state_mask[] = { - [ACPI_D0] = ACPI_ALL, - [ACPI_D1] = ACPI_SLEEP, - [ACPI_D2] = ACPI_SLEEP, - [ACPI_D3] = ACPI_NONE -}; - /* APU use in the driver */ enum snd_enum_apu_type { @@ -590,7 +549,7 @@ struct es1968 { #endif }; -static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id, struct pt_regs *regs); +static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id); static struct pci_device_id snd_es1968_ids[] = { /* Maestro 1 */ @@ -658,6 +617,18 @@ static int snd_es1968_ac97_wait(struct es1968 *chip) return 1; /* timeout */ } +static int snd_es1968_ac97_wait_poll(struct es1968 *chip) +{ + int timeout = 100000; + + while (timeout-- > 0) { + if (!(inb(chip->io_port + ESM_AC97_INDEX) & 1)) + return 0; + } + snd_printd("es1968: ac97 timeout\n"); + return 1; /* timeout */ +} + static void snd_es1968_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) { struct es1968 *chip = ac97->private_data; @@ -686,7 +657,7 @@ static unsigned short snd_es1968_ac97_read(struct snd_ac97 *ac97, unsigned short outb(reg | 0x80, chip->io_port + ESM_AC97_INDEX); /*msleep(1);*/ - if (! snd_es1968_ac97_wait(chip)) { + if (!snd_es1968_ac97_wait_poll(chip)) { data = inw(chip->io_port + ESM_AC97_DATA); /*msleep(1);*/ } @@ -883,10 +854,9 @@ static void snd_es1968_bob_dec(struct es1968 *chip) snd_es1968_bob_stop(chip); else if (chip->bob_freq > ESM_BOB_FREQ) { /* check reduction of timer frequency */ - struct list_head *p; int max_freq = ESM_BOB_FREQ; - list_for_each(p, &chip->substream_list) { - struct esschan *es = list_entry(p, struct esschan, list); + struct esschan *es; + list_for_each_entry(es, &chip->substream_list, list) { if (max_freq < es->bob_freq) max_freq = es->bob_freq; } @@ -1356,12 +1326,11 @@ static struct snd_pcm_hardware snd_es1968_capture = { static int calc_available_memory_size(struct es1968 *chip) { - struct list_head *p; int max_size = 0; - + struct esm_memory *buf; + mutex_lock(&chip->memory_mutex); - list_for_each(p, &chip->buf_list) { - struct esm_memory *buf = list_entry(p, struct esm_memory, list); + list_for_each_entry(buf, &chip->buf_list, list) { if (buf->empty && buf->buf.bytes > max_size) max_size = buf->buf.bytes; } @@ -1375,12 +1344,10 @@ static int calc_available_memory_size(struct es1968 *chip) static struct esm_memory *snd_es1968_new_memory(struct es1968 *chip, int size) { struct esm_memory *buf; - struct list_head *p; - - size = ((size + ESM_MEM_ALIGN - 1) / ESM_MEM_ALIGN) * ESM_MEM_ALIGN; + + size = ALIGN(size, ESM_MEM_ALIGN); mutex_lock(&chip->memory_mutex); - list_for_each(p, &chip->buf_list) { - buf = list_entry(p, struct esm_memory, list); + list_for_each_entry(buf, &chip->buf_list, list) { if (buf->empty && buf->buf.bytes >= size) goto __found; } @@ -1594,10 +1561,7 @@ static int snd_es1968_playback_open(struct snd_pcm_substream *substream) runtime->hw = snd_es1968_playback; runtime->hw.buffer_bytes_max = runtime->hw.period_bytes_max = calc_available_memory_size(chip); -#if 0 - snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, - 1024); -#endif + spin_lock_irq(&chip->substream_lock); list_add(&es->list, &chip->substream_list); spin_unlock_irq(&chip->substream_lock); @@ -1653,10 +1617,8 @@ static int snd_es1968_capture_open(struct snd_pcm_substream *substream) runtime->hw = snd_es1968_capture; runtime->hw.buffer_bytes_max = runtime->hw.period_bytes_max = calc_available_memory_size(chip) - 1024; /* keep MIXBUF size */ -#if 0 - snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, - 1024); -#endif + snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES); + spin_lock_irq(&chip->substream_lock); list_add(&es->list, &chip->substream_list); spin_unlock_irq(&chip->substream_lock); @@ -1865,6 +1827,22 @@ snd_es1968_pcm(struct es1968 *chip, int device) return 0; } +/* + * suppress jitter on some maestros when playing stereo + */ +static void snd_es1968_suppress_jitter(struct es1968 *chip, struct esschan *es) +{ + unsigned int cp1; + unsigned int cp2; + unsigned int diff; + + cp1 = __apu_get_register(chip, 0, 5); + cp2 = __apu_get_register(chip, 1, 5); + diff = (cp1 > cp2 ? cp1 - cp2 : cp2 - cp1); + + if (diff > 1) + __maestro_write(chip, IDR0_DATA_PORT, cp1); +} /* * update pointer @@ -1905,7 +1883,7 @@ static void es1968_update_hw_volume(unsigned long private_data) /* Figure out which volume control button was pushed, based on differences from the default register values. */ - x = inb(chip->io_port + 0x1c); + x = inb(chip->io_port + 0x1c) & 0xee; /* Reset the volume control registers. */ outb(0x88, chip->io_port + 0x1c); outb(0x88, chip->io_port + 0x1d); @@ -1921,7 +1899,8 @@ static void es1968_update_hw_volume(unsigned long private_data) /* 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]; - if (x & 1) { + switch (x) { + case 0x88: /* mute */ val ^= 0x8000; chip->ac97->regs[AC97_MASTER] = val; @@ -1929,26 +1908,31 @@ static void es1968_update_hw_volume(unsigned long private_data) outb(AC97_MASTER, chip->io_port + ESM_AC97_INDEX); snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_switch->id); - } else { - val &= 0x7fff; - if (((x>>1) & 7) > 4) { - /* volume up */ - if ((val & 0xff) > 0) - val--; - if ((val & 0xff00) > 0) - val -= 0x0100; - } else { - /* volume down */ - if ((val & 0xff) < 0x1f) - val++; - if ((val & 0xff00) < 0x1f00) - val += 0x0100; - } + break; + case 0xaa: + /* volume up */ + if ((val & 0x7f) > 0) + 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 */ + if ((val & 0x7f) < 0x1f) + 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); + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &chip->master_volume->id); + break; } spin_unlock_irqrestore(&chip->ac97_lock, flags); } @@ -1956,7 +1940,7 @@ static void es1968_update_hw_volume(unsigned long private_data) /* * interrupt handler */ -static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id) { struct es1968 *chip = dev_id; u32 event; @@ -1973,16 +1957,18 @@ static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id, struct pt_regs *r outb(0xFF, chip->io_port + 0x1A); if ((event & ESM_MPU401_IRQ) && chip->rmidi) { - snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); + snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); } if (event & ESM_SOUND_IRQ) { - struct list_head *p; + struct esschan *es; spin_lock(&chip->substream_lock); - list_for_each(p, &chip->substream_list) { - struct esschan *es = list_entry(p, struct esschan, list); - if (es->running) + list_for_each_entry(es, &chip->substream_list, list) { + if (es->running) { snd_es1968_update_pcm(chip, es); + if (es->fmt & ESS_FMT_STEREO) + snd_es1968_suppress_jitter(chip, es); + } } spin_unlock(&chip->substream_lock); if (chip->in_measurement) { @@ -2005,7 +1991,7 @@ snd_es1968_mixer(struct es1968 *chip) { struct snd_ac97_bus *pbus; struct snd_ac97_template ac97; - struct snd_ctl_elem_id id; + struct snd_ctl_elem_id elem_id; int err; static struct snd_ac97_bus_ops ops = { .write = snd_es1968_ac97_write, @@ -2022,14 +2008,14 @@ snd_es1968_mixer(struct es1968 *chip) return err; /* attach master switch / volumes for h/w volume control */ - memset(&id, 0, sizeof(id)); - id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; - strcpy(id.name, "Master Playback Switch"); - chip->master_switch = snd_ctl_find_id(chip->card, &id); - memset(&id, 0, sizeof(id)); - id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; - strcpy(id.name, "Master Playback Volume"); - chip->master_volume = snd_ctl_find_id(chip->card, &id); + memset(&elem_id, 0, sizeof(elem_id)); + elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + strcpy(elem_id.name, "Master Playback Switch"); + chip->master_switch = snd_ctl_find_id(chip->card, &elem_id); + memset(&elem_id, 0, sizeof(elem_id)); + 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); return 0; } @@ -2153,21 +2139,6 @@ static void snd_es1968_reset(struct es1968 *chip) udelay(10); } -/* - * power management - */ -static void snd_es1968_set_acpi(struct es1968 *chip, int state) -{ - u16 active_mask = acpi_state_mask[state]; - - pci_set_power_state(chip->pci, state); - /* make sure the units we care about are on - XXX we might want to do this before state flipping? */ - pci_write_config_word(chip->pci, 0x54, ~ active_mask); - pci_write_config_word(chip->pci, 0x56, ~ active_mask); -} - - /* * initialize maestro chip */ @@ -2190,9 +2161,6 @@ static void snd_es1968_chip_init(struct es1968 *chip) * IRQs. */ - /* do config work at full power */ - snd_es1968_set_acpi(chip, ACPI_D0); - /* Config Reg A */ pci_read_config_word(pci, ESM_CONFIG_A, &w); @@ -2391,9 +2359,10 @@ static int es1968_suspend(struct pci_dev *pci, pm_message_t state) snd_pcm_suspend_all(chip->pcm); snd_ac97_suspend(chip->ac97); snd_es1968_bob_stop(chip); - snd_es1968_set_acpi(chip, ACPI_D3); + pci_disable_device(pci); pci_save_state(pci); + pci_set_power_state(pci, pci_choose_state(pci, state)); return 0; } @@ -2401,15 +2370,22 @@ static int es1968_resume(struct pci_dev *pci) { struct snd_card *card = pci_get_drvdata(pci); struct es1968 *chip = card->private_data; - struct list_head *p; + struct esschan *es; if (! chip->do_pm) return 0; /* restore all our config */ + pci_set_power_state(pci, PCI_D0); pci_restore_state(pci); - pci_enable_device(pci); + if (pci_enable_device(pci) < 0) { + printk(KERN_ERR "es1968: pci_enable_device failed, " + "disabling device\n"); + snd_card_disconnect(card); + return -EIO; + } pci_set_master(pci); + snd_es1968_chip_init(chip); /* need to restore the base pointers.. */ @@ -2423,8 +2399,7 @@ static int es1968_resume(struct pci_dev *pci) /* restore ac97 state */ snd_ac97_resume(chip->ac97); - list_for_each(p, &chip->substream_list) { - struct esschan *es = list_entry(p, struct esschan, list); + list_for_each_entry(es, &chip->substream_list, list) { switch (es->mode) { case ESM_MODE_PLAY: snd_es1968_playback_setup(chip, es, es->substream->runtime); @@ -2500,15 +2475,15 @@ static inline void snd_es1968_free_gameport(struct es1968 *chip) { } static int snd_es1968_free(struct es1968 *chip) { if (chip->io_port) { - synchronize_irq(chip->irq); + if (chip->irq >= 0) + synchronize_irq(chip->irq); outw(1, chip->io_port + 0x04); /* clear WP interrupts */ outw(0, chip->io_port + ESM_PORT_HOST_IRQ); /* disable IRQ */ } if (chip->irq >= 0) - free_irq(chip->irq, (void *)chip); + free_irq(chip->irq, chip); snd_es1968_free_gameport(chip); - snd_es1968_set_acpi(chip, ACPI_D3); chip->master_switch = NULL; chip->master_volume = NULL; pci_release_regions(chip->pci); @@ -2597,8 +2572,8 @@ static int __devinit snd_es1968_create(struct snd_card *card, return err; } chip->io_port = pci_resource_start(pci, 0); - if (request_irq(pci->irq, snd_es1968_interrupt, IRQF_DISABLED|IRQF_SHARED, - "ESS Maestro", (void*)chip)) { + if (request_irq(pci->irq, snd_es1968_interrupt, IRQF_SHARED, + "ESS Maestro", chip)) { snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); snd_es1968_free(chip); return -EBUSY;