From: Prabhakar Lad <prabhakar.csengg@gmail.com>
To: LMML <linux-media@vger.kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
DLOS <davinci-linux-open-source@linux.davincidsp.com>,
Manjunath Hadli <manjunath.hadli@ti.com>,
Prabhakar Lad <prabhakar.lad@ti.com>,
Mauro Carvalho Chehab <mchehab@infradead.org>
Subject: [PATCH v2 09/12] davinci: vpss: dm365: set vpss clk ctrl
Date: Fri, 16 Nov 2012 20:15:11 +0530 [thread overview]
Message-ID: <1353077114-19296-10-git-send-email-prabhakar.lad@ti.com> (raw)
In-Reply-To: <1353077114-19296-1-git-send-email-prabhakar.lad@ti.com>
From: Manjunath Hadli <manjunath.hadli@ti.com>
request_mem_region for VPSS_CLK_CTRL register and ioremap.
and enable clocks appropriately.
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
---
drivers/media/platform/davinci/vpss.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c
index 34ad7bd..a36d694 100644
--- a/drivers/media/platform/davinci/vpss.c
+++ b/drivers/media/platform/davinci/vpss.c
@@ -103,6 +103,7 @@ struct vpss_hw_ops {
struct vpss_oper_config {
__iomem void *vpss_regs_base0;
__iomem void *vpss_regs_base1;
+ resource_size_t *vpss_regs_base2;
enum vpss_platform_type platform;
spinlock_t vpss_lock;
struct vpss_hw_ops hw_ops;
@@ -484,11 +485,24 @@ static struct platform_driver vpss_driver = {
static void vpss_exit(void)
{
+ iounmap(oper_cfg.vpss_regs_base2);
+ release_mem_region(*oper_cfg.vpss_regs_base2, 4);
platform_driver_unregister(&vpss_driver);
}
+#define VPSS_CLK_CTRL 0x01c40044
+#define VPSS_CLK_CTRL_VENCCLKEN BIT(3)
+#define VPSS_CLK_CTRL_DACCLKEN BIT(4)
+
static int __init vpss_init(void)
{
+ if (request_mem_region(VPSS_CLK_CTRL, 4, "vpss_clock_control")) {
+ oper_cfg.vpss_regs_base2 = ioremap(VPSS_CLK_CTRL, 4);
+ __raw_writel(VPSS_CLK_CTRL_VENCCLKEN |
+ VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2);
+ } else {
+ return -EBUSY;
+ }
return platform_driver_register(&vpss_driver);
}
subsys_initcall(vpss_init);
--
1.7.4.1
next prev parent reply other threads:[~2012-11-16 14:47 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-16 14:45 [PATCH v2 00/12] Media Controller capture driver for DM365 Prabhakar Lad
2012-11-16 14:45 ` [PATCH v2 01/12] davinci: vpfe: add v4l2 capture driver with media interface Prabhakar Lad
2012-11-16 14:45 ` [PATCH v2 02/12] davinci: vpfe: add v4l2 video driver support Prabhakar Lad
2012-11-16 14:45 ` [PATCH v2 03/12] davinci: vpfe: dm365: add IPIPEIF driver based on media framework Prabhakar Lad
2012-11-16 14:45 ` [PATCH v2 04/12] davinci: vpfe: dm365: add ISIF " Prabhakar Lad
2012-11-16 14:45 ` [PATCH v2 05/12] davinci: vpfe: dm365: add IPIPE support for media controller driver Prabhakar Lad
2012-11-16 14:45 ` [PATCH v2 06/12] davinci: vpfe: dm365: add IPIPE hardware layer support Prabhakar Lad
2012-11-16 14:45 ` [PATCH v2 07/12] davinci: vpfe: dm365: resizer driver based on media framework Prabhakar Lad
2012-11-16 14:45 ` [PATCH v2 08/12] davinci: vpss: dm365: enable ISP registers Prabhakar Lad
2012-11-16 14:45 ` Prabhakar Lad [this message]
2012-11-16 14:45 ` [PATCH v2 10/12] davinci: vpss: dm365: add vpss helper functions to be used in the main driver for setting hardware parameters Prabhakar Lad
2012-11-16 14:45 ` [PATCH v2 11/12] davinci: vpfe: dm365: add build infrastructure for capture driver Prabhakar Lad
2012-11-16 14:45 ` [PATCH v2 12/12] davinci: vpfe: Add documentation Prabhakar Lad
2012-11-16 14:53 ` [PATCH v2 00/12] Media Controller capture driver for DM365 Prabhakar Lad
2012-11-21 20:56 ` Sakari Ailus
2012-11-22 23:53 ` Sakari Ailus
2012-11-23 13:13 ` Sakari Ailus
2012-11-23 13:21 ` Prabhakar Lad
2012-11-23 13:57 ` Sakari Ailus
2012-11-23 14:01 ` Hans Verkuil
2012-11-25 16:27 ` Prabhakar Lad
2012-11-26 0:28 ` Sakari Ailus
2012-11-26 3:55 ` Prabhakar Lad
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