/* Insert W at the top of the stacking list */
void
insert_in_stacking_list_above_all (Lisp_Window *w)
{
return_if_fail (!WINDOW_IS_GONE_P (w));
return_if_fail (!window_in_stacking_list_p (w));
w->above = 0;
w->below = highest_window;
if (highest_window != 0)
highest_window->above = w;
highest_window = w;
if (lowest_window == 0)
lowest_window = w;
assert_constraints (w);
}
/* Insert W immediately below X */
void
insert_in_stacking_list_below (Lisp_Window *w, Lisp_Window *x)
{
return_if_fail (!WINDOW_IS_GONE_P (w) && !WINDOW_IS_GONE_P (x));
return_if_fail (!window_in_stacking_list_p (w));
return_if_fail (window_in_stacking_list_p (x));
if (x->below != 0)
x->below->above = w;
w->below = x->below;
x->below = w;
w->above = x;
if (lowest_window == x)
lowest_window = w;
assert_constraints (w);
}
/* Remove window W from the stacking list */
void
remove_from_stacking_list (Lisp_Window *w)
{
return_if_fail (!WINDOW_IS_GONE_P (w));
return_if_fail (window_in_stacking_list_p (w));
/* divert the links around W */
if (w->above != 0)
w->above->below = w->below;
if (w->below != 0)
w->below->above = w->above;
/* Fix the end points */
if (lowest_window == w)
lowest_window = w->above;
if (highest_window == w)
highest_window = w->below;
w->above = w->below = 0;
assert_constraints (w);
}
static int pxa2xx_ac97_probe(struct device *dev)
{
snd_card_t *card;
ac97_bus_t *ac97_bus;
ac97_template_t ac97_template;
int ret;
struct platform_device *pdev = to_platform_device(dev);
ret = -ENOMEM;
card = snd_card_new(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
THIS_MODULE, 0);
if (!card)
goto err;
card->dev = dev;
strncpy(card->driver, dev->driver->name, sizeof(card->driver));
ret = pxa2xx_pcm_new(card, &pxa2xx_ac97_pcm_client, &pxa2xx_ac97_pcm);
if (ret)
goto err;
ret = request_irq(IRQ_AC97, pxa2xx_ac97_irq, 0, "AC97", NULL);
if (ret < 0)
goto err;
pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
pxa_gpio_mode(GPIO28_BITCLK_AC97_MD);
pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
#ifdef CONFIG_PXA27x
/* Use GPIO 113 as AC97 Reset on Bulverde */
pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
#endif
pxa_set_cken(CKEN2_AC97, 1);
ret = snd_ac97_bus(card, 0, &pxa2xx_ac97_ops, NULL, &ac97_bus);
if (ret)
goto err;
memset(&ac97_template, 0, sizeof(ac97_template));
ret = snd_ac97_mixer(ac97_bus, &ac97_template, &pxa2xx_ac97_ac97);
if (ret)
goto err;
snprintf(card->shortname, sizeof(card->shortname),
"%s", snd_ac97_get_short_name(pxa2xx_ac97_ac97));
snprintf(card->longname, sizeof(card->longname),
"%s (%s)", dev->driver->name, card->mixername);
snd_card_set_pm_callback(card, pxa2xx_ac97_do_suspend,
pxa2xx_ac97_do_resume, NULL);
ret = snd_card_register(card);
#if defined(CONFIG_MACH_MAINSTONE) && defined(CONFIG_DPM)
pdev->dev.constraints = &pxa_ac97_constraints;
assert_constraints(pdev->dev.constraints);
#endif /* CONFIG_MACH_MAINSTONE && CONFIG_DPM */
if (ret == 0) {
dev_set_drvdata(dev, card);
return 0;
}
err:
if (card)
snd_card_free(card);
if (CKEN & CKEN2_AC97) {
GCR |= GCR_ACLINK_OFF;
free_irq(IRQ_AC97, NULL);
pxa_set_cken(CKEN2_AC97, 0);
}
return ret;
}
