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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-08 17:33:47 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-08 19:18:18 +0100 |
commit | 097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (patch) | |
tree | 9034d676d9096857a380aab9d99e3e88fccb6bfe /drivers/media/video/pxa_camera.c | |
parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) | |
parent | aeee90dfa01844168cd7f8051d0a0f969c573067 (diff) | |
download | op-kernel-dev-097d9eb537ff4d88b74c3fe67392e27c478ca3c5.zip op-kernel-dev-097d9eb537ff4d88b74c3fe67392e27c478ca3c5.tar.gz |
Merge Linus' latest into master
Conflicts:
drivers/watchdog/at91rm9200_wdt.c
drivers/watchdog/davinci_wdt.c
drivers/watchdog/ep93xx_wdt.c
drivers/watchdog/ixp2000_wdt.c
drivers/watchdog/ixp4xx_wdt.c
drivers/watchdog/ks8695_wdt.c
drivers/watchdog/omap_wdt.c
drivers/watchdog/pnx4008_wdt.c
drivers/watchdog/sa1100_wdt.c
drivers/watchdog/wdt285.c
Diffstat (limited to 'drivers/media/video/pxa_camera.c')
-rw-r--r-- | drivers/media/video/pxa_camera.c | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c index 5e7ebca..388cf94 100644 --- a/drivers/media/video/pxa_camera.c +++ b/drivers/media/video/pxa_camera.c @@ -128,6 +128,8 @@ struct pxa_camera_dev { struct pxa_buffer *active; struct pxa_dma_desc *sg_tail[3]; + + u32 save_cicr[5]; }; static const char *pxa_cam_driver_description = "PXA_Camera"; @@ -997,10 +999,64 @@ static int pxa_camera_querycap(struct soc_camera_host *ici, return 0; } +static int pxa_camera_suspend(struct soc_camera_device *icd, pm_message_t state) +{ + struct soc_camera_host *ici = + to_soc_camera_host(icd->dev.parent); + struct pxa_camera_dev *pcdev = ici->priv; + int i = 0, ret = 0; + + pcdev->save_cicr[i++] = CICR0; + pcdev->save_cicr[i++] = CICR1; + pcdev->save_cicr[i++] = CICR2; + pcdev->save_cicr[i++] = CICR3; + pcdev->save_cicr[i++] = CICR4; + + if ((pcdev->icd) && (pcdev->icd->ops->suspend)) + ret = pcdev->icd->ops->suspend(pcdev->icd, state); + + return ret; +} + +static int pxa_camera_resume(struct soc_camera_device *icd) +{ + struct soc_camera_host *ici = + to_soc_camera_host(icd->dev.parent); + struct pxa_camera_dev *pcdev = ici->priv; + int i = 0, ret = 0; + + DRCMR68 = pcdev->dma_chans[0] | DRCMR_MAPVLD; + DRCMR69 = pcdev->dma_chans[1] | DRCMR_MAPVLD; + DRCMR70 = pcdev->dma_chans[2] | DRCMR_MAPVLD; + + CICR0 = pcdev->save_cicr[i++] & ~CICR0_ENB; + CICR1 = pcdev->save_cicr[i++]; + CICR2 = pcdev->save_cicr[i++]; + CICR3 = pcdev->save_cicr[i++]; + CICR4 = pcdev->save_cicr[i++]; + + if ((pcdev->icd) && (pcdev->icd->ops->resume)) + ret = pcdev->icd->ops->resume(pcdev->icd); + + /* Restart frame capture if active buffer exists */ + if (!ret && pcdev->active) { + /* Reset the FIFOs */ + CIFR |= CIFR_RESET_F; + /* Enable End-Of-Frame Interrupt */ + CICR0 &= ~CICR0_EOFM; + /* Restart the Capture Interface */ + CICR0 |= CICR0_ENB; + } + + return ret; +} + static struct soc_camera_host_ops pxa_soc_camera_host_ops = { .owner = THIS_MODULE, .add = pxa_camera_add_device, .remove = pxa_camera_remove_device, + .suspend = pxa_camera_suspend, + .resume = pxa_camera_resume, .set_fmt_cap = pxa_camera_set_fmt_cap, .try_fmt_cap = pxa_camera_try_fmt_cap, .init_videobuf = pxa_camera_init_videobuf, @@ -1198,7 +1254,7 @@ static int __devinit pxa_camera_init(void) static void __exit pxa_camera_exit(void) { - return platform_driver_unregister(&pxa_camera_driver); + platform_driver_unregister(&pxa_camera_driver); } module_init(pxa_camera_init); |