diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/sh_mobile_hdmi.c | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/drivers/video/fbdev/sh_mobile_hdmi.c b/drivers/video/fbdev/sh_mobile_hdmi.c index 9a33ee0413fb..7c72a3f02056 100644 --- a/drivers/video/fbdev/sh_mobile_hdmi.c +++ b/drivers/video/fbdev/sh_mobile_hdmi.c @@ -281,6 +281,7 @@ struct sh_hdmi { u8 edid_block_addr; u8 edid_segment_nr; u8 edid_blocks; + int irq; struct clk *hdmi_clk; struct device *dev; struct delayed_work edid_work; @@ -1299,6 +1300,7 @@ static int __init sh_hdmi_probe(struct platform_device *pdev) hdmi->dev = &pdev->dev; hdmi->entity.owner = THIS_MODULE; hdmi->entity.ops = &sh_hdmi_ops; + hdmi->irq = irq; hdmi->hdmi_clk = clk_get(&pdev->dev, "ick"); if (IS_ERR(hdmi->hdmi_clk)) { @@ -1415,12 +1417,11 @@ static int __exit sh_hdmi_remove(struct platform_device *pdev) { struct sh_hdmi *hdmi = entity_to_sh_hdmi(platform_get_drvdata(pdev)); struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - int irq = platform_get_irq(pdev, 0); snd_soc_unregister_codec(&pdev->dev); /* No new work will be scheduled, wait for running ISR */ - free_irq(irq, hdmi); + free_irq(hdmi->irq, hdmi); /* Wait for already scheduled work */ cancel_delayed_work_sync(&hdmi->edid_work); pm_runtime_put(&pdev->dev); @@ -1435,10 +1436,49 @@ static int __exit sh_hdmi_remove(struct platform_device *pdev) return 0; } +static int sh_hdmi_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct sh_hdmi *hdmi = entity_to_sh_hdmi(platform_get_drvdata(pdev)); + + disable_irq(hdmi->irq); + /* Wait for already scheduled work */ + cancel_delayed_work_sync(&hdmi->edid_work); + return 0; +} + +static int sh_hdmi_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct sh_mobile_hdmi_info *pdata = dev_get_platdata(dev); + struct sh_hdmi *hdmi = entity_to_sh_hdmi(platform_get_drvdata(pdev)); + + /* Re-init interrupt polarity */ + if (pdata->flags & HDMI_OUTPUT_PUSH_PULL) + hdmi_bit_set(hdmi, 0x02, 0x02, HDMI_SYSTEM_CTRL); + + if (pdata->flags & HDMI_OUTPUT_POLARITY_HI) + hdmi_bit_set(hdmi, 0x01, 0x01, HDMI_SYSTEM_CTRL); + + /* Re-init htop1 */ + if (hdmi->htop1) + sh_hdmi_htop1_init(hdmi); + + /* Now it's safe to enable interrupts again */ + enable_irq(hdmi->irq); + return 0; +} + +static const struct dev_pm_ops sh_hdmi_pm_ops = { + .suspend = sh_hdmi_suspend, + .resume = sh_hdmi_resume, +}; + static struct platform_driver sh_hdmi_driver = { .remove = __exit_p(sh_hdmi_remove), .driver = { .name = "sh-mobile-hdmi", + .pm = &sh_hdmi_pm_ops, }, }; |