root/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_mpc.c
/*
 * 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 "reg_helper.h"
#include "dcn201_mpc.h"

#define REG(reg)\
        mpc201->mpc_regs->reg

#define CTX \
        mpc201->base.ctx

#define DC_LOGGER \
        mpc201->base.ctx->logger

#undef FN
#define FN(reg_name, field_name) \
        mpc201->mpc_shift->field_name, mpc201->mpc_mask->field_name

static void mpc201_set_out_rate_control(
        struct mpc *mpc,
        int opp_id,
        bool enable,
        bool rate_2x_mode,
        struct mpc_dwb_flow_control *flow_control)
{
        struct dcn201_mpc *mpc201 = TO_DCN201_MPC(mpc);

        REG_UPDATE_2(MUX[opp_id],
                        MPC_OUT_RATE_CONTROL_DISABLE, !enable,
                        MPC_OUT_RATE_CONTROL, rate_2x_mode);

        if (flow_control)
                REG_UPDATE_3(MUX[opp_id],
                        MPC_OUT_FLOW_CONTROL_MODE, flow_control->flow_ctrl_mode,
                        MPC_OUT_FLOW_CONTROL_COUNT0, flow_control->flow_ctrl_cnt0,
                        MPC_OUT_FLOW_CONTROL_COUNT1, flow_control->flow_ctrl_cnt1);
}

static void mpc201_init_mpcc(struct mpcc *mpcc, int mpcc_inst)
{
        mpcc->mpcc_id = mpcc_inst;
        mpcc->dpp_id = 0xf;
        mpcc->mpcc_bot = NULL;
        mpcc->blnd_cfg.overlap_only = false;
        mpcc->blnd_cfg.global_alpha = 0xff;
        mpcc->blnd_cfg.global_gain = 0xff;
        mpcc->blnd_cfg.background_color_bpc = 4;
        mpcc->blnd_cfg.bottom_gain_mode = 0;
        mpcc->blnd_cfg.top_gain = 0x1f000;
        mpcc->blnd_cfg.bottom_inside_gain = 0x1f000;
        mpcc->blnd_cfg.bottom_outside_gain = 0x1f000;
        mpcc->sm_cfg.enable = false;
        mpcc->shared_bottom = false;
}

static const struct mpc_funcs dcn201_mpc_funcs = {
        .read_mpcc_state = mpc1_read_mpcc_state,
        .insert_plane = mpc1_insert_plane,
        .remove_mpcc = mpc1_remove_mpcc,
        .mpc_init = mpc1_mpc_init,
        .mpc_init_single_inst = mpc1_mpc_init_single_inst,
        .update_blending = mpc2_update_blending,
        .cursor_lock = mpc1_cursor_lock,
        .get_mpcc_for_dpp = mpc1_get_mpcc_for_dpp,
        .get_mpcc_for_dpp_from_secondary = NULL,
        .wait_for_idle = mpc2_assert_idle_mpcc,
        .assert_mpcc_idle_before_connect = mpc2_assert_mpcc_idle_before_connect,
        .init_mpcc_list_from_hw = mpc1_init_mpcc_list_from_hw,
        .set_denorm = mpc2_set_denorm,
        .set_denorm_clamp = mpc2_set_denorm_clamp,
        .set_output_csc = mpc2_set_output_csc,
        .set_ocsc_default = mpc2_set_ocsc_default,
        .set_output_gamma = mpc2_set_output_gamma,
        .set_out_rate_control = mpc201_set_out_rate_control,
        .power_on_mpc_mem_pwr = mpc20_power_on_ogam_lut,
        .get_mpc_out_mux = mpc1_get_mpc_out_mux,
        .set_bg_color = mpc1_set_bg_color,
};

void dcn201_mpc_construct(struct dcn201_mpc *mpc201,
        struct dc_context *ctx,
        const struct dcn201_mpc_registers *mpc_regs,
        const struct dcn201_mpc_shift *mpc_shift,
        const struct dcn201_mpc_mask *mpc_mask,
        int num_mpcc)
{
        int i;

        mpc201->base.ctx = ctx;

        mpc201->base.funcs = &dcn201_mpc_funcs;

        mpc201->mpc_regs = mpc_regs;
        mpc201->mpc_shift = mpc_shift;
        mpc201->mpc_mask = mpc_mask;

        mpc201->mpcc_in_use_mask = 0;
        mpc201->num_mpcc = num_mpcc;

        for (i = 0; i < MAX_MPCC; i++)
                mpc201_init_mpcc(&mpc201->base.mpcc_array[i], i);
}