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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-30 11:08:53 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-30 11:08:53 +0400
commit664a41b8a91bf78a01a751e15175e0008977685a (patch)
treed9dc15c83400ad2dfb430ff27ae3e7fdc9395856 /drivers/media/video/omap3isp/ispccp2.c
parent983236b5741e557451f3ed4ec5ebf1f62a5b2c15 (diff)
parentee2ce3a0b43d14d792d34cf88e7bc2091096744b (diff)
downloadlinux-664a41b8a91bf78a01a751e15175e0008977685a.tar.xz
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (430 commits) [media] ir-mce_kbd-decoder: include module.h for its facilities [media] ov5642: include module.h for its facilities [media] em28xx: Fix DVB-C maxsize for em2884 [media] tda18271c2dd: Fix saw filter configuration for DVB-C @6MHz [media] v4l: mt9v032: Fix Bayer pattern [media] V4L: mt9m111: rewrite set_pixfmt [media] V4L: mt9m111: fix missing return value check mt9m111_reg_clear [media] V4L: initial driver for ov5642 CMOS sensor [media] V4L: sh_mobile_ceu_camera: fix Oops when USERPTR mapping fails [media] V4L: soc-camera: remove soc-camera bus and devices on it [media] V4L: soc-camera: un-export the soc-camera bus [media] V4L: sh_mobile_csi2: switch away from using the soc-camera bus notifier [media] V4L: add media bus configuration subdev operations [media] V4L: soc-camera: group struct field initialisations together [media] V4L: soc-camera: remove now unused soc-camera specific PM hooks [media] V4L: pxa-camera: switch to using standard PM hooks [media] NetUP Dual DVB-T/C CI RF: force card hardware revision by module param [media] Don't OOPS if videobuf_dvb_get_frontend return NULL [media] NetUP Dual DVB-T/C CI RF: load firmware according card revision [media] omap3isp: Support configurable HS/VS polarities ... Fix up conflicts: - arch/arm/mach-omap2/board-rx51-peripherals.c: cleanup regulator supply definitions in mach-omap2 vs OMAP3: RX-51: define vdds_csib regulator supply - drivers/staging/tm6000/tm6000-alsa.c (trivial)
Diffstat (limited to 'drivers/media/video/omap3isp/ispccp2.c')
-rw-r--r--drivers/media/video/omap3isp/ispccp2.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/media/video/omap3isp/ispccp2.c b/drivers/media/video/omap3isp/ispccp2.c
index 0e16cab8e089..ec9e395f3339 100644
--- a/drivers/media/video/omap3isp/ispccp2.c
+++ b/drivers/media/video/omap3isp/ispccp2.c
@@ -30,6 +30,7 @@
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/uaccess.h>
+#include <linux/regulator/consumer.h>
#include "isp.h"
#include "ispreg.h"
@@ -163,6 +164,9 @@ static void ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
struct isp_pipeline *pipe = to_isp_pipeline(&ccp2->subdev.entity);
int i;
+ if (enable && ccp2->vdds_csib)
+ regulator_enable(ccp2->vdds_csib);
+
/* Enable/Disable all the LCx channels */
for (i = 0; i < CCP2_LCx_CHANS_NUM; i++)
isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCx_CTRL(i),
@@ -186,6 +190,9 @@ static void ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
ISPCCP2_LC01_IRQENABLE,
ISPCCP2_LC01_IRQSTATUS_LC0_FS_IRQ);
}
+
+ if (!enable && ccp2->vdds_csib)
+ regulator_disable(ccp2->vdds_csib);
}
/*
@@ -1137,6 +1144,9 @@ error:
*/
void omap3isp_ccp2_cleanup(struct isp_device *isp)
{
+ struct isp_ccp2_device *ccp2 = &isp->isp_ccp2;
+
+ regulator_put(ccp2->vdds_csib);
}
/*
@@ -1151,14 +1161,27 @@ int omap3isp_ccp2_init(struct isp_device *isp)
init_waitqueue_head(&ccp2->wait);
- /* On the OMAP36xx, the CCP2 uses the CSI PHY1 or PHY2, shared with
+ /*
+ * On the OMAP34xx the CSI1 receiver is operated in the CSIb IO
+ * complex, which is powered by vdds_csib power rail. Hence the
+ * request for the regulator.
+ *
+ * On the OMAP36xx, the CCP2 uses the CSI PHY1 or PHY2, shared with
* the CSI2c or CSI2a receivers. The PHY then needs to be explicitly
* configured.
*
* TODO: Don't hardcode the usage of PHY1 (shared with CSI2c).
*/
- if (isp->revision == ISP_REVISION_15_0)
+ if (isp->revision == ISP_REVISION_2_0) {
+ ccp2->vdds_csib = regulator_get(isp->dev, "vdds_csib");
+ if (IS_ERR(ccp2->vdds_csib)) {
+ dev_dbg(isp->dev,
+ "Could not get regulator vdds_csib\n");
+ ccp2->vdds_csib = NULL;
+ }
+ } else if (isp->revision == ISP_REVISION_15_0) {
ccp2->phy = &isp->isp_csiphy1;
+ }
ret = ccp2_init_entities(ccp2);
if (ret < 0)