From: Yakir Yang <ykk@rock-chips.com>
To: David Airlie <airlied@linux.ie>,
Russell King <rmk+kernel@arm.linux.org.uk>,
Philipp Zabel <p.zabel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>,
Shawn Guo <shawn.guo@linaro.org>, Rob Clark <robdclark@gmail.com>,
Mark Yao <mark.yao@rock-chips.com>,
Daniel Vetter <daniel@ffwll.ch>, Yakir Yang <ykk@rock-chips.com>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Arnd Bergmann <arnd@arndb.de>, Sean Cross <xobs@kosagi.com>,
Jyri Sarha <jsarha@ti.com>, Ben Zhang <benzh@chromium.org>,
alsa-devel@alsa-project.org, Heiko Stuebner <heiko@sntech.de>,
linux-arm-kernel@lists.infradead.org,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
devicetree@vger.kernel.org, djkurtz@chromium.org,
dbehr@chromoum.org, mmind00@googlemail.com,
dianders@chromium.org, marcheu@chromium.org,
linux-rockchip@lists.infradead.org
Subject: [PATCH v3 02/15] drm: bridge/dw_hdmi: wrap irq control in fucntions
Date: Tue, 3 Feb 2015 10:02:21 -0500 [thread overview]
Message-ID: <1422975741-13503-1-git-send-email-ykk@rock-chips.com> (raw)
In-Reply-To: <1422975418-13302-1-git-send-email-ykk@rock-chips.com>
Wrap irq control in functions, and then we can call in dw_hdmi_bind /
dw_hdmi_unbind / dw_hdmi_resume / dw_hdmi_suspend functions.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
---
Changes in v3:
- Wrap irq control in fucntions
Changes in v2: None
drivers/gpu/drm/bridge/dw_hdmi.c | 75 ++++++++++++++++++++--------------------
1 file changed, 37 insertions(+), 38 deletions(-)
diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
index dc314f5..08f10da 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.c
+++ b/drivers/gpu/drm/bridge/dw_hdmi.c
@@ -1330,6 +1330,40 @@ static void initialize_hdmi_ih_mutes(struct dw_hdmi *hdmi)
hdmi_writeb(hdmi, ih_mute, HDMI_IH_MUTE);
}
+static void hdmi_mute_interrupts(struct dw_hdmi *hdmi)
+{
+ u8 ih_mute;
+
+ /* Disable all interrupts */
+ hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0);
+
+ /* Disable top level interrupt bits in HDMI block */
+ ih_mute = hdmi_readb(hdmi, HDMI_IH_MUTE) |
+ HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT |
+ HDMI_IH_MUTE_MUTE_ALL_INTERRUPT;
+
+ hdmi_writeb(hdmi, ih_mute, HDMI_IH_MUTE);
+}
+
+static void hdmi_unmute_interrupts(struct dw_hdmi *hdmi)
+{
+ initialize_hdmi_ih_mutes(hdmi);
+
+ /*
+ * Configure registers related to HDMI interrupt
+ * generation before registering IRQ.
+ */
+ hdmi_writeb(hdmi, HDMI_PHY_HPD, HDMI_PHY_POL0);
+
+ /* Clear Hotplug interrupts */
+ hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD, HDMI_IH_PHY_STAT0);
+
+ dw_hdmi_fb_registered(hdmi);
+
+ /* Unmute interrupts */
+ hdmi_writeb(hdmi, ~HDMI_IH_PHY_STAT0_HPD, HDMI_IH_MUTE_PHY_STAT0);
+}
+
static void dw_hdmi_poweron(struct dw_hdmi *hdmi)
{
dw_hdmi_setup(hdmi, &hdmi->previous_mode);
@@ -1650,25 +1684,11 @@ int dw_hdmi_bind(struct device *dev, struct device *master,
*/
hdmi_init_clk_regenerator(hdmi);
- /*
- * Configure registers related to HDMI interrupt
- * generation before registering IRQ.
- */
- hdmi_writeb(hdmi, HDMI_PHY_HPD, HDMI_PHY_POL0);
-
- /* Clear Hotplug interrupts */
- hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD, HDMI_IH_PHY_STAT0);
-
- ret = dw_hdmi_fb_registered(hdmi);
- if (ret)
- goto err_iahb;
-
ret = dw_hdmi_register(drm, hdmi);
if (ret)
goto err_iahb;
- /* Unmute interrupts */
- hdmi_writeb(hdmi, ~HDMI_IH_PHY_STAT0_HPD, HDMI_IH_MUTE_PHY_STAT0);
+ hdmi_unmute_interrupts(hdmi);
dev_set_drvdata(dev, hdmi);
@@ -1702,17 +1722,8 @@ EXPORT_SYMBOL_GPL(dw_hdmi_unbind);
int dw_hdmi_suspend(struct device *dev)
{
struct dw_hdmi *hdmi = dev_get_drvdata(dev);
- u8 ih_mute;
-
- /* Disable all interrupts */
- hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0);
-
- /* Disable top level interrupt bits in HDMI block */
- ih_mute = hdmi_readb(hdmi, HDMI_IH_MUTE) |
- HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT |
- HDMI_IH_MUTE_MUTE_ALL_INTERRUPT;
- hdmi_writeb(hdmi, ih_mute, HDMI_IH_MUTE);
+ hdmi_mute_interrupts(hdmi);
return 0;
}
@@ -1722,19 +1733,7 @@ int dw_hdmi_resume(struct device *dev)
{
struct dw_hdmi *hdmi = dev_get_drvdata(dev);
- /*
- * Configure registers related to HDMI interrupt
- * generation before registering IRQ.
- */
- hdmi_writeb(hdmi, HDMI_PHY_HPD, HDMI_PHY_POL0);
-
- /* Clear Hotplug interrupts */
- hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD, HDMI_IH_PHY_STAT0);
-
- dw_hdmi_fb_registered(hdmi);
-
- /* Unmute interrupts */
- hdmi_writeb(hdmi, ~HDMI_IH_PHY_STAT0_HPD, HDMI_IH_MUTE_PHY_STAT0);
+ hdmi_unmute_interrupts(hdmi);
return 0;
}
--
2.1.2
next prev parent reply other threads:[~2015-02-03 15:03 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-03 14:56 [PATCH v3 0/15] Those patches is used for dw_hdmi audio support Yakir Yang
2015-02-03 15:01 ` [PATCH v3 01/15] drm: bridge/dw_hdmi: add irq control to suspend/resume Yakir Yang
2015-02-03 15:02 ` Yakir Yang [this message]
2015-02-03 15:08 ` [PATCH v3 03/15] drm: rockchip/dw_hdmi_rockchip: add resume/suspend support Yakir Yang
2015-02-03 15:11 ` [PATCH v3 04/15] drm: bridge/dw_hdmi: add indentification registers parse and record Yakir Yang
2015-02-05 15:46 ` Daniel Kurtz
2015-02-07 3:33 ` yakir
2015-02-03 15:12 ` [PATCH v3 05/15] drm: bridge/dw_hdmi: combine hdmi_set_clock_regenerator_n() and hdmi_regenerate_cts() Yakir Yang
2015-02-05 15:54 ` Daniel Kurtz
2015-02-07 3:33 ` yakir
2015-02-03 15:13 ` [PATCH v3 06/15] drm: bridge/dw_hdmi: adjust n/cts setting order Yakir Yang
2015-02-03 15:13 ` [PATCH v3 07/15] drm: bridge/dw_hdmi: set ncts_atomic_write & cts_manual Yakir Yang
2015-02-03 15:14 ` [PATCH v3 08/15] drm: bridge/dw_hdmi: add audio support for more display resolutions Yakir Yang
2015-02-03 15:15 ` [PATCH v3 09/15] drm: bridge/dw_hdmi: enable audio support for No-CEA " Yakir Yang
2015-02-03 15:16 ` [PATCH v3 10/15] drm: bridge/dw_hdmi: add audio sample channel status setting Yakir Yang
2015-02-03 15:16 ` [PATCH v3 11/15] drm: bridge/dw_hdmi: add audio clock control interfaces Yakir Yang
2015-02-03 15:17 ` [PATCH v3 12/15] drm: bridge/dw_hdmi: creat dw-hdmi-audio platform device Yakir Yang
2015-02-03 15:18 ` [PATCH v3 13/15] ASoC: dw-hdmi-audio: add codec driver for dw hdmi audio Yakir Yang
2015-02-03 15:19 ` [PATCH v3 14/15] ASoC: rockchip-hdmi-audio: add sound driver for " Yakir Yang
2015-02-03 15:19 ` [PATCH v3 15/15] dt-bindings: Add documentation for Rockchip dw-hdmi-audio Yakir Yang
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