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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/i2caux/i2caux.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/i2caux/i2caux.h122
1 files changed, 0 insertions, 122 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.h b/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.h
deleted file mode 100644
index 64f51bb06915..000000000000
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright 2012-15 Advanced Micro Devices, Inc.
- *
- * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
- *
- * Authors: AMD
- *
- */
-
-#ifndef __DAL_I2C_AUX_H__
-#define __DAL_I2C_AUX_H__
-
-uint32_t dal_i2caux_get_reference_clock(
- struct dc_bios *bios);
-
-struct i2caux;
-
-struct engine;
-
-struct i2caux_funcs {
- void (*destroy)(struct i2caux **ptr);
- struct i2c_engine * (*acquire_i2c_sw_engine)(
- struct i2caux *i2caux,
- struct ddc *ddc);
- struct i2c_engine * (*acquire_i2c_hw_engine)(
- struct i2caux *i2caux,
- struct ddc *ddc);
- struct aux_engine * (*acquire_aux_engine)(
- struct i2caux *i2caux,
- struct ddc *ddc);
- void (*release_engine)(
- struct i2caux *i2caux,
- struct engine *engine);
-};
-
-struct i2c_engine;
-struct aux_engine;
-
-struct i2caux {
- struct dc_context *ctx;
- const struct i2caux_funcs *funcs;
- /* On ASIC we have certain amount of lines with HW DDC engine
- * (4, 6, or maybe more in the future).
- * For every such line, we create separate HW DDC engine
- * (since we have these engines in HW) and separate SW DDC engine
- * (to allow concurrent use of few lines).
- * In similar way we have AUX engines. */
-
- /* I2C SW engines, per DDC line.
- * Only lines with HW DDC support will be initialized */
- struct i2c_engine *i2c_sw_engines[GPIO_DDC_LINE_COUNT];
-
- /* I2C HW engines, per DDC line.
- * Only lines with HW DDC support will be initialized */
- struct i2c_engine *i2c_hw_engines[GPIO_DDC_LINE_COUNT];
-
- /* AUX engines, per DDC line.
- * Only lines with HW AUX support will be initialized */
- struct aux_engine *aux_engines[GPIO_DDC_LINE_COUNT];
-
- /* For all other lines, we can use
- * single instance of generic I2C HW engine
- * (since in HW, there is single instance of it)
- * or single instance of generic I2C SW engine.
- * AUX is not supported for other lines. */
-
- /* General-purpose I2C SW engine.
- * Can be assigned dynamically to any line per transaction */
- struct i2c_engine *i2c_generic_sw_engine;
-
- /* General-purpose I2C generic HW engine.
- * Can be assigned dynamically to almost any line per transaction */
- struct i2c_engine *i2c_generic_hw_engine;
-
- /* [anaumov] in DAL2, there is a Mutex */
-
- uint32_t aux_timeout_period;
-
- /* expressed in KHz */
- uint32_t default_i2c_sw_speed;
- uint32_t default_i2c_hw_speed;
-};
-
-void dal_i2caux_construct(
- struct i2caux *i2caux,
- struct dc_context *ctx);
-
-void dal_i2caux_release_engine(
- struct i2caux *i2caux,
- struct engine *engine);
-
-void dal_i2caux_destruct(
- struct i2caux *i2caux);
-
-void dal_i2caux_destroy(
- struct i2caux **ptr);
-
-struct i2c_engine *dal_i2caux_acquire_i2c_sw_engine(
- struct i2caux *i2caux,
- struct ddc *ddc);
-
-struct aux_engine *dal_i2caux_acquire_aux_engine(
- struct i2caux *i2caux,
- struct ddc *ddc);
-
-#endif