static void enable_board_wakeup_source(void)
{
int gpio_val;
/* Android does not have touchscreen as wakeup source */
#if !defined(CONFIG_ANDROID)
gpio_val = omap_mux_get_gpio(OMAP4_TOUCH_IRQ_1);
if ((gpio_val & OMAP44XX_PADCONF_WAKEUPENABLE0) == 0) {
gpio_val |= OMAP44XX_PADCONF_WAKEUPENABLE0;
omap_mux_set_gpio(gpio_val, OMAP4_TOUCH_IRQ_1);
}
#endif
gpio_val = omap_mux_get_gpio(32);
if ((gpio_val & OMAP44XX_PADCONF_WAKEUPENABLE0) == 0) {
gpio_val |= OMAP44XX_PADCONF_WAKEUPENABLE0;
omap_mux_set_gpio(gpio_val, 32);
}
gpio_val = omap_mux_get_gpio(29);
if ((gpio_val & OMAP44XX_PADCONF_WAKEUPENABLE0) == 0) {
gpio_val |= OMAP44XX_PADCONF_WAKEUPENABLE0;
omap_mux_set_gpio(gpio_val, 29);
}
/*
* Enable IO daisy for sys_nirq1/2, to be able to
* wakeup from interrupts from PMIC/Audio IC.
* Needed only in Device OFF mode.
*/
omap_mux_enable_wakeup("sys_nirq1");
}
/**
* omap_hsi_wakeup_enable - Enable HSI wakeup feature from RET/OFF mode
*
* @hsi_port - reference to the HSI port onto which enable wakeup feature.
*
*/
static int omap_hsi_wakeup_enable(struct hsi_dev *hsi_ctrl, int hsi_port)
{
dev_dbg(hsi_ctrl->dev, "%s\n", __func__);
if (omap_hsi_is_io_pad_hsi())
omap_mux_enable_wakeup(OMAP_HSI_PADCONF_CAWAKE_PIN);
else
dev_warn(hsi_ctrl->dev, "Trying to enable HSI IO wakeup on non "
"HSI board\n");
/* TODO: handle hsi_port param and use it to find the correct Pad */
return 0;
}
/**
* omap_hsi_wakeup_enable - Enable HSI wakeup feature from RET/OFF mode
*
* @hsi_port - reference to the HSI port onto which enable wakeup feature.
* Range [0, 1]
*
* Return value :* 0 if CAWAKE has been configured to wakeup platform
* * -ENODEV if CAWAKE is not muxed on padconf
*/
static int omap_hsi_wakeup_enable(int hsi_port)
{
int ret = -ENODEV;
if (omap_hsi_is_io_pad_hsi())
ret = omap_mux_enable_wakeup(OMAP_HSI_PADCONF_CAWAKE_PIN);
else
pr_debug("Trying to enable HSI IO wakeup on non HSI board\n");
/* TODO: handle hsi_port param and use it to find the correct Pad */
return ret;
}
/**
* omap_hsi_wakeup_enable - Enable HSI wakeup feature from RET/OFF mode
*
* @hsi_port - reference to the HSI port onto which enable wakeup feature.
* Range [1, 2]
*
* Return value :* 0 if CAWAKE has been configured to wakeup platform
* * -ENODEV if CAWAKE is not muxed on padconf
*/
static int omap_hsi_wakeup_enable(int hsi_port)
{
struct hsi_port_ctx *port_ctx;
int ret = -ENODEV;
if (omap_hsi_is_io_pad_hsi(hsi_port)) {
port_ctx = hsi_get_hsi_port_ctx_data(hsi_port);
ret = omap_mux_enable_wakeup(port_ctx->cawake_padconf_name);
omap4_trigger_ioctrl();
} else {
pr_debug("HSI port %d not muxed, failed to enable IO wakeup\n",
hsi_port);
}
return ret;
}
/**
* omap_hsi_prepare_suspend - Prepare HSI for suspend mode (OFF)
*
* Return value : -ENODEV if HSI controller has not been found, else 0.
*
*/
int omap_hsi_prepare_suspend(void)
{
struct platform_device *pdev;
struct hsi_dev *hsi_ctrl;
pdev = hsi_get_hsi_platform_device();
hsi_ctrl = hsi_get_hsi_controller_data(pdev);
if (!hsi_ctrl)
return -ENODEV;
if (device_may_wakeup(&pdev->dev))
omap_mux_enable_wakeup(OMAP_HSI_PADCONF_CAWAKE_PIN);
else
omap_mux_disable_wakeup(OMAP_HSI_PADCONF_CAWAKE_PIN);
return 0;
}
