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/*
* 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
*
*/
#include "dm_services.h"
#include "include/logger_interface.h"
#include "dce/dce_11_0_d.h"
#include "dce/dce_11_0_sh_mask.h"
#include "dce110_ipp.h"
#define CURSOR_COLOR_BLACK 0x00000000
#define CURSOR_COLOR_WHITE 0xFFFFFFFF
#define DCP_REG(reg)\
(reg + ipp110->offsets.dcp_offset)
static void enable(
struct dce110_ipp *ipp110,
bool enable);
static void lock(
struct dce110_ipp *ipp110,
bool enable);
static void program_position(
struct dce110_ipp *ipp110,
uint32_t x,
uint32_t y);
static bool program_control(
struct dce110_ipp *ipp110,
enum dc_cursor_color_format color_format,
bool enable_magnification,
bool inverse_transparent_clamping);
static void program_hotspot(
struct dce110_ipp *ipp110,
uint32_t x,
uint32_t y);
static void program_size(
struct dce110_ipp *ipp110,
uint32_t width,
uint32_t height);
static void program_address(
struct dce110_ipp *ipp110,
PHYSICAL_ADDRESS_LOC address);
void dce110_ipp_cursor_set_position(
struct input_pixel_processor *ipp,
const struct dc_cursor_position *position)
{
struct dce110_ipp *ipp110 = TO_DCE110_IPP(ipp);
/* lock cursor registers */
lock(ipp110, true);
/* Flag passed in structure differentiates cursor enable/disable. */
/* Update if it differs from cached state. */
enable(ipp110, position->enable);
program_position(ipp110, position->x, position->y);
if (position->hot_spot_enable)
program_hotspot(
ipp110,
position->x_hotspot,
position->y_hotspot);
/* unlock cursor registers */
lock(ipp110, false);
}
bool dce110_ipp_cursor_set_attributes(
struct input_pixel_processor *ipp,
const struct dc_cursor_attributes *attributes)
{
struct dce110_ipp *ipp110 = TO_DCE110_IPP(ipp);
/* Lock cursor registers */
lock(ipp110, true);
/* Program cursor control */
program_control(
ipp110,
attributes->color_format,
attributes->attribute_flags.bits.ENABLE_MAGNIFICATION,
attributes->attribute_flags.bits.INVERSE_TRANSPARENT_CLAMPING);
/* Program hot spot coordinates */
program_hotspot(ipp110, attributes->x_hot, attributes->y_hot);
/*
* Program cursor size -- NOTE: HW spec specifies that HW register
* stores size as (height - 1, width - 1)
*/
program_size(ipp110, attributes->width-1, attributes->height-1);
/* Program cursor surface address */
program_address(ipp110, attributes->address);
/* Unlock Cursor registers. */
lock(ipp110, false);
return true;
}
static void enable(
struct dce110_ipp *ipp110, bool enable)
{
uint32_t value = 0;
uint32_t addr = DCP_REG(mmCUR_CONTROL);
value = dm_read_reg(ipp110->base.ctx, addr);
set_reg_field_value(value, enable, CUR_CONTROL, CURSOR_EN);
dm_write_reg(ipp110->base.ctx, addr, value);
}
static void lock(
struct dce110_ipp *ipp110, bool lock)
{
uint32_t value = 0;
uint32_t addr = DCP_REG(mmCUR_UPDATE);
value = dm_read_reg(ipp110->base.ctx, addr);
set_reg_field_value(value, lock, CUR_UPDATE, CURSOR_UPDATE_LOCK);
dm_write_reg(ipp110->base.ctx, addr, value);
}
static void program_position(
struct dce110_ipp *ipp110,
uint32_t x,
uint32_t y)
{
uint32_t value = 0;
uint32_t addr = DCP_REG(mmCUR_POSITION);
value = dm_read_reg(ipp110->base.ctx, addr);
set_reg_field_value(value, x, CUR_POSITION, CURSOR_X_POSITION);
set_reg_field_value(value, y, CUR_POSITION, CURSOR_Y_POSITION);
dm_write_reg(ipp110->base.ctx, addr, value);
}
static bool program_control(
struct dce110_ipp *ipp110,
enum dc_cursor_color_format color_format,
bool enable_magnification,
bool inverse_transparent_clamping)
{
uint32_t value = 0;
uint32_t addr = DCP_REG(mmCUR_CONTROL);
uint32_t mode = 0;
switch (color_format) {
case CURSOR_MODE_MONO:
mode = 0;
break;
case CURSOR_MODE_COLOR_1BIT_AND:
mode = 1;
break;
case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA:
mode = 2;
break;
case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA:
mode = 3;
break;
default:
return false;
}
set_reg_field_value(value, mode, CUR_CONTROL, CURSOR_MODE);
set_reg_field_value(value, enable_magnification,
CUR_CONTROL, CURSOR_2X_MAGNIFY);
set_reg_field_value(value, inverse_transparent_clamping,
CUR_CONTROL, CUR_INV_TRANS_CLAMP);
dm_write_reg(ipp110->base.ctx, addr, value);
if (color_format == CURSOR_MODE_MONO) {
addr = DCP_REG(mmCUR_COLOR1);
dm_write_reg(ipp110->base.ctx, addr, CURSOR_COLOR_BLACK);
addr = DCP_REG(mmCUR_COLOR2);
dm_write_reg(ipp110->base.ctx, addr, CURSOR_COLOR_WHITE);
}
return true;
}
static void program_hotspot(
struct dce110_ipp *ipp110,
uint32_t x,
uint32_t y)
{
uint32_t value = 0;
uint32_t addr = DCP_REG(mmCUR_HOT_SPOT);
value = dm_read_reg(ipp110->base.ctx, addr);
set_reg_field_value(value, x, CUR_HOT_SPOT, CURSOR_HOT_SPOT_X);
set_reg_field_value(value, y, CUR_HOT_SPOT, CURSOR_HOT_SPOT_Y);
dm_write_reg(ipp110->base.ctx, addr, value);
}
static void program_size(
struct dce110_ipp *ipp110,
uint32_t width,
uint32_t height)
{
uint32_t value = 0;
uint32_t addr = DCP_REG(mmCUR_SIZE);
value = dm_read_reg(ipp110->base.ctx, addr);
set_reg_field_value(value, width, CUR_SIZE, CURSOR_WIDTH);
set_reg_field_value(value, height, CUR_SIZE, CURSOR_HEIGHT);
dm_write_reg(ipp110->base.ctx, addr, value);
}
static void program_address(
struct dce110_ipp *ipp110,
PHYSICAL_ADDRESS_LOC address)
{
uint32_t addr = DCP_REG(mmCUR_SURFACE_ADDRESS_HIGH);
/* SURFACE_ADDRESS_HIGH: Higher order bits (39:32) of hardware cursor
* surface base address in byte. It is 4K byte aligned.
* The correct way to program cursor surface address is to first write
* to CUR_SURFACE_ADDRESS_HIGH, and then write to CUR_SURFACE_ADDRESS */
dm_write_reg(ipp110->base.ctx, addr, address.high_part);
addr = DCP_REG(mmCUR_SURFACE_ADDRESS);
dm_write_reg(ipp110->base.ctx, addr, address.low_part);
}
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