From fae2c17b313e2838652c32ea4a576172b4063639 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Fri, 30 May 2008 12:14:44 +1000
Subject: drm: add more encoder interfaces

---
 libdrm/xf86drmMode.c |  8 ++++++++
 libdrm/xf86drmMode.h |  2 ++
 shared-core/drm.h    | 15 +++++++++++++++
 3 files changed, 25 insertions(+)

diff --git a/libdrm/xf86drmMode.c b/libdrm/xf86drmMode.c
index e5798f96..672a5e2a 100644
--- a/libdrm/xf86drmMode.c
+++ b/libdrm/xf86drmMode.c
@@ -381,6 +381,8 @@ drmModeOutputPtr drmModeGetOutput(int fd, uint32_t output_id)
 	out.count_props  = 0;
 	out.props_ptr    = 0;
 	out.prop_values_ptr = 0;
+	out.count_encoders  = 0;
+	out.encoders_ptr = 0;
 
 	if (ioctl(fd, DRM_IOCTL_MODE_GETOUTPUT, &out))
 		return 0;
@@ -393,6 +395,9 @@ drmModeOutputPtr drmModeGetOutput(int fd, uint32_t output_id)
 	if (out.count_modes)
 		out.modes_ptr = VOID2U64(drmMalloc(out.count_modes*sizeof(struct drm_mode_modeinfo)));
 
+	if (out.count_encoders)
+		out.encoders_ptr = VOID2U64(drmMalloc(out.count_encoders*sizeof(uint32_t)));
+
 	if (ioctl(fd, DRM_IOCTL_MODE_GETOUTPUT, &out))
 		goto err_allocs;
 
@@ -416,6 +421,8 @@ drmModeOutputPtr drmModeGetOutput(int fd, uint32_t output_id)
 	r->props        = drmAllocCpy(U642VOID(out.props_ptr), out.count_props, sizeof(uint32_t));
 	r->prop_values  = drmAllocCpy(U642VOID(out.prop_values_ptr), out.count_props, sizeof(uint64_t));
 	r->modes        = drmAllocCpy(U642VOID(out.modes_ptr), out.count_modes, sizeof(struct drm_mode_modeinfo));
+	r->count_encoders = out.count_encoders;
+	r->encoders     = drmAllocCpy(U642VOID(out.encoders_ptr), out.count_encoders, sizeof(uint32_t));
 	r->output_type  = out.output_type;
 	r->output_type_id = out.output_type_id;
 
@@ -423,6 +430,7 @@ err_allocs:
 	drmFree(U642VOID(out.prop_values_ptr));
 	drmFree(U642VOID(out.props_ptr));
 	drmFree(U642VOID(out.modes_ptr));
+	drmFree(U642VOID(out.encoders_ptr));
 
 	return r;
 }
diff --git a/libdrm/xf86drmMode.h b/libdrm/xf86drmMode.h
index a5ecd099..601a6460 100644
--- a/libdrm/xf86drmMode.h
+++ b/libdrm/xf86drmMode.h
@@ -154,6 +154,8 @@ typedef struct _drmModeOutput {
 	uint32_t *props; /**< List of property ids */
 	uint64_t *prop_values; /**< List of property values */
 
+	int count_encoders;
+	uint32_t *encoders; /**< List of encoder ids */
 } drmModeOutput, *drmModeOutputPtr;
 
 
diff --git a/shared-core/drm.h b/shared-core/drm.h
index eb2033c7..6cb68685 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -1026,9 +1026,11 @@ struct drm_mode_card_res {
 	uint64_t fb_id_ptr;
 	uint64_t crtc_id_ptr;
 	uint64_t output_id_ptr;
+	uint64_t encoder_id_ptr;
 	int count_fbs;
 	int count_crtcs;
 	int count_outputs;
+	int count_encoders;
 	int min_width, max_width;
 	int min_height, max_height;
 };
@@ -1051,6 +1053,15 @@ struct drm_mode_crtc {
 	struct drm_mode_modeinfo mode;
 };
 
+struct drm_mode_get_encoder {
+
+	uint32_t encoder_type;
+	uint32_t encoder_id;
+
+	uint32_t crtcs;
+	uint32_t clones;
+};
+
 #define DRM_MODE_OUTPUT_NONE 0
 #define DRM_MODE_OUTPUT_DAC  1
 #define DRM_MODE_OUTPUT_TMDS 2
@@ -1059,12 +1070,15 @@ struct drm_mode_crtc {
 
 struct drm_mode_get_output {
 
+	uint64_t encoders_ptr;
 	uint64_t modes_ptr;
 	uint64_t props_ptr;
 	uint64_t prop_values_ptr;
 
 	int count_modes;
 	int count_props;
+	int count_encoders;
+
 	unsigned int output; /**< Id */
 	unsigned int crtc; /**< Id of crtc */
 	unsigned int output_type;
@@ -1277,6 +1291,7 @@ struct drm_mode_hotplug {
 #define DRM_IOCTL_WAIT_HOTPLUG		DRM_IOWR(0xAE, union drm_wait_hotplug)
 
 #define DRM_IOCTL_MODE_REPLACEFB       DRM_IOWR(0xAF, struct drm_mode_fb_cmd)
+#define DRM_IOCTL_MODE_GETENCODER      DRM_IOWR(0xB0, struct drm_mode_get_encoder)
 /*@}*/
 
 /**
-- 
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