drm/i915: rename intel_sideband.[ch] to intel_sbi.[ch]

Now that intel_sideband.[ch] has been decluttered, it's pure lpt/wpt
iosf sideband. Let's call it intel_sbi, following the function naming.

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/183423ff23b2d259e4a197e74daf6bcd750bfe14.1634207064.git.jani.nikula@intel.com

1 files changed, 0 insertions, 92 deletions

diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c
deleted file mode 100644
index 1d30273b35c1..000000000000
--- a/drivers/gpu/drm/i915/intel_sideband.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Copyright © 2013 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- */
-
-#include <asm/iosf_mbi.h>
-
-#include "i915_drv.h"
-#include "intel_sideband.h"
-
-/* SBI access */
-static int intel_sbi_rw(struct drm_i915_private *i915, u16 reg,
-			enum intel_sbi_destination destination,
-			u32 *val, bool is_read)
-{
-	struct intel_uncore *uncore = &i915->uncore;
-	u32 cmd;
-
-	lockdep_assert_held(&i915->sb_lock);
-
-	if (intel_wait_for_register_fw(uncore,
-				       SBI_CTL_STAT, SBI_BUSY, 0,
-				       100)) {
-		drm_err(&i915->drm,
-			"timeout waiting for SBI to become ready\n");
-		return -EBUSY;
-	}
-
-	intel_uncore_write_fw(uncore, SBI_ADDR, (u32)reg << 16);
-	intel_uncore_write_fw(uncore, SBI_DATA, is_read ? 0 : *val);
-
-	if (destination == SBI_ICLK)
-		cmd = SBI_CTL_DEST_ICLK | SBI_CTL_OP_CRRD;
-	else
-		cmd = SBI_CTL_DEST_MPHY | SBI_CTL_OP_IORD;
-	if (!is_read)
-		cmd |= BIT(8);
-	intel_uncore_write_fw(uncore, SBI_CTL_STAT, cmd | SBI_BUSY);
-
-	if (__intel_wait_for_register_fw(uncore,
-					 SBI_CTL_STAT, SBI_BUSY, 0,
-					 100, 100, &cmd)) {
-		drm_err(&i915->drm,
-			"timeout waiting for SBI to complete read\n");
-		return -ETIMEDOUT;
-	}
-
-	if (cmd & SBI_RESPONSE_FAIL) {
-		drm_err(&i915->drm, "error during SBI read of reg %x\n", reg);
-		return -ENXIO;
-	}
-
-	if (is_read)
-		*val = intel_uncore_read_fw(uncore, SBI_DATA);
-
-	return 0;
-}
-
-u32 intel_sbi_read(struct drm_i915_private *i915, u16 reg,
-		   enum intel_sbi_destination destination)
-{
-	u32 result = 0;
-
-	intel_sbi_rw(i915, reg, destination, &result, true);
-
-	return result;
-}
-
-void intel_sbi_write(struct drm_i915_private *i915, u16 reg, u32 value,
-		     enum intel_sbi_destination destination)
-{
-	intel_sbi_rw(i915, reg, destination, &value, false);
-}