aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_pcode.h
diff options
context:
space:
mode:
authorJani Nikula <jani.nikula@intel.com>2021-10-14 13:28:57 +0300
committerJani Nikula <jani.nikula@intel.com>2021-10-14 18:04:17 +0300
commit4dd4375bc4ff217f0a4a931772400c987720fb65 (patch)
tree07345426e298bbc175219a2bd529c79869709bc5 /drivers/gpu/drm/i915/intel_pcode.h
parentdrm/i915/bios: gracefully disable dual eDP for now (diff)
downloadlinux-dev-4dd4375bc4ff217f0a4a931772400c987720fb65.tar.xz
linux-dev-4dd4375bc4ff217f0a4a931772400c987720fb65.zip
drm/i915: split out intel_pcode.[ch] to separate file
The snb+ pcode mailbox code is not sideband, so split it out to a separate file. As can be seen from the #include changes, very few places use both sideband and pcode. Code movement only. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/185deb18eb739e5ae019e27834b9997dcc1347bc.1634207064.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pcode.h')
-rw-r--r--drivers/gpu/drm/i915/intel_pcode.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pcode.h b/drivers/gpu/drm/i915/intel_pcode.h
new file mode 100644
index 000000000000..50806649d4b6
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_pcode.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2013-2021 Intel Corporation
+ */
+
+#ifndef _INTEL_PCODE_H_
+#define _INTEL_PCODE_H_
+
+#include <linux/types.h>
+
+struct drm_i915_private;
+
+int sandybridge_pcode_read(struct drm_i915_private *i915, u32 mbox,
+ u32 *val, u32 *val1);
+int sandybridge_pcode_write_timeout(struct drm_i915_private *i915, u32 mbox,
+ u32 val, int fast_timeout_us,
+ int slow_timeout_ms);
+#define sandybridge_pcode_write(i915, mbox, val) \
+ sandybridge_pcode_write_timeout(i915, mbox, val, 500, 0)
+
+int skl_pcode_request(struct drm_i915_private *i915, u32 mbox, u32 request,
+ u32 reply_mask, u32 reply, int timeout_base_ms);
+
+int intel_pcode_init(struct drm_i915_private *i915);
+
+#endif /* _INTEL_PCODE_H */