linux-kernel - [PATCH 1/9] gma500: Initial support for our encoder and connector structs

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Message-Id: <1319752934-1919-2-git-send-email-patrik.r.jakobsson@gmail.com>
Date:	Fri, 28 Oct 2011 00:02:06 +0200
From:	Patrik Jakobsson <patrik.r.jakobsson@...il.com>
To:	alan@...rguk.ukuu.org.uk, linux-kernel@...r.kernel.org,
	greg@...ah.com
Cc:	Patrik Jakobsson <patrik.r.jakobsson@...il.com>
Subject: [PATCH 1/9] gma500: Initial support for our encoder and connector structs

First step towards adding i915 alike encoder and connector abstractions. This
will make life easier when adding i915 output code into our driver. It also
removes the old psb_intel_output struct.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@...il.com>
---
 drivers/staging/gma500/psb_intel_display.c |    7 +++++
 drivers/staging/gma500/psb_intel_drv.h     |   40 +++++++++++++++++----------
 2 files changed, 32 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c
index caa9d86..8c4e427 100644
--- a/drivers/staging/gma500/psb_intel_display.c
+++ b/drivers/staging/gma500/psb_intel_display.c
@@ -1427,3 +1427,10 @@ struct drm_encoder *psb_intel_best_encoder(struct drm_connector *connector)
 	return &psb_intel_output->enc;
 }
 
+void psb_intel_connector_attach_encoder(struct psb_intel_connector *connector,
+					struct psb_intel_encoder *encoder)
+{
+	connector->encoder = encoder;
+	drm_mode_connector_attach_encoder(&connector->base,
+					  &encoder->base);
+}
diff --git a/drivers/staging/gma500/psb_intel_drv.h b/drivers/staging/gma500/psb_intel_drv.h
index 36b554b..11d8e65 100644
--- a/drivers/staging/gma500/psb_intel_drv.h
+++ b/drivers/staging/gma500/psb_intel_drv.h
@@ -93,19 +93,19 @@ struct psb_intel_i2c_chan {
 	u8 slave_addr;
 };
 
-struct psb_intel_output {
-	struct drm_connector base;
-
-	struct drm_encoder enc;
+struct psb_intel_encoder {
+	struct drm_encoder base;
 	int type;
+	bool needs_tv_clock;
+	void (*hot_plug)(struct psb_intel_encoder *);
+	int crtc_mask;
+	int clone_mask;
+	void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */
+};
 
-	struct psb_intel_i2c_chan *i2c_bus;	/* for control functions */
-	struct psb_intel_i2c_chan *ddc_bus;	/* for DDC only stuff */
-	bool load_detect_temp;
-	void *dev_priv;
-
-	struct psb_intel_mode_device *mode_dev;
-	struct i2c_adapter *hdmi_i2c_adapter;	/* for control functions */
+struct psb_intel_connector {
+	struct drm_connector base;
+	struct psb_intel_encoder *encoder;
 };
 
 struct psb_intel_crtc_state {
@@ -156,10 +156,10 @@ struct psb_intel_crtc {
 
 #define to_psb_intel_crtc(x)	\
 		container_of(x, struct psb_intel_crtc, base)
-#define to_psb_intel_output(x)	\
-		container_of(x, struct psb_intel_output, base)
-#define enc_to_psb_intel_output(x)	\
-		container_of(x, struct psb_intel_output, enc)
+#define to_psb_intel_connector(x) \
+		container_of(x, struct psb_intel_connector, base)
+#define to_psb_intel_encoder(x)	\
+		container_of(x, struct psb_intel_encoder, base)
 #define to_psb_intel_framebuffer(x)	\
 		container_of(x, struct psb_intel_framebuffer, base)
 
@@ -190,6 +190,16 @@ extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc);
 extern void psb_intel_encoder_prepare(struct drm_encoder *encoder);
 extern void psb_intel_encoder_commit(struct drm_encoder *encoder);
 
+static inline struct psb_intel_encoder *psb_intel_attached_encoder(
+						struct drm_connector *connector)
+{
+	return to_psb_intel_connector(connector)->encoder;
+}
+
+extern void psb_intel_connector_attach_encoder(
+					struct psb_intel_connector *connector,
+					struct psb_intel_encoder *encoder);
+
 extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector
 					      *connector);
 
-- 
1.7.4.1

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