1 /*
2  * Copyright 2012-15 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #include "reg_helper.h"
27 #include "dcn201_mpc.h"
28 
29 #define REG(reg)\
30 	mpc201->mpc_regs->reg
31 
32 #define CTX \
33 	mpc201->base.ctx
34 
35 #define DC_LOGGER \
36 	mpc201->base.ctx->logger
37 
38 #undef FN
39 #define FN(reg_name, field_name) \
40 	mpc201->mpc_shift->field_name, mpc201->mpc_mask->field_name
41 
42 static void mpc201_set_out_rate_control(
43 	struct mpc *mpc,
44 	int opp_id,
45 	bool enable,
46 	bool rate_2x_mode,
47 	struct mpc_dwb_flow_control *flow_control)
48 {
49 	struct dcn201_mpc *mpc201 = TO_DCN201_MPC(mpc);
50 
51 	REG_UPDATE_2(MUX[opp_id],
52 			MPC_OUT_RATE_CONTROL_DISABLE, !enable,
53 			MPC_OUT_RATE_CONTROL, rate_2x_mode);
54 
55 	if (flow_control)
56 		REG_UPDATE_3(MUX[opp_id],
57 			MPC_OUT_FLOW_CONTROL_MODE, flow_control->flow_ctrl_mode,
58 			MPC_OUT_FLOW_CONTROL_COUNT0, flow_control->flow_ctrl_cnt0,
59 			MPC_OUT_FLOW_CONTROL_COUNT1, flow_control->flow_ctrl_cnt1);
60 }
61 
62 static void mpc201_init_mpcc(struct mpcc *mpcc, int mpcc_inst)
63 {
64 	mpcc->mpcc_id = mpcc_inst;
65 	mpcc->dpp_id = 0xf;
66 	mpcc->mpcc_bot = NULL;
67 	mpcc->blnd_cfg.overlap_only = false;
68 	mpcc->blnd_cfg.global_alpha = 0xff;
69 	mpcc->blnd_cfg.global_gain = 0xff;
70 	mpcc->blnd_cfg.background_color_bpc = 4;
71 	mpcc->blnd_cfg.bottom_gain_mode = 0;
72 	mpcc->blnd_cfg.top_gain = 0x1f000;
73 	mpcc->blnd_cfg.bottom_inside_gain = 0x1f000;
74 	mpcc->blnd_cfg.bottom_outside_gain = 0x1f000;
75 	mpcc->sm_cfg.enable = false;
76 	mpcc->shared_bottom = false;
77 }
78 
79 const struct mpc_funcs dcn201_mpc_funcs = {
80 	.read_mpcc_state = mpc1_read_mpcc_state,
81 	.insert_plane = mpc1_insert_plane,
82 	.remove_mpcc = mpc1_remove_mpcc,
83 	.mpc_init = mpc1_mpc_init,
84 	.mpc_init_single_inst = mpc1_mpc_init_single_inst,
85 	.update_blending = mpc2_update_blending,
86 	.cursor_lock = mpc1_cursor_lock,
87 	.get_mpcc_for_dpp = mpc1_get_mpcc_for_dpp,
88 	.get_mpcc_for_dpp_from_secondary = NULL,
89 	.wait_for_idle = mpc2_assert_idle_mpcc,
90 	.assert_mpcc_idle_before_connect = mpc2_assert_mpcc_idle_before_connect,
91 	.init_mpcc_list_from_hw = mpc1_init_mpcc_list_from_hw,
92 	.set_denorm = mpc2_set_denorm,
93 	.set_denorm_clamp = mpc2_set_denorm_clamp,
94 	.set_output_csc = mpc2_set_output_csc,
95 	.set_ocsc_default = mpc2_set_ocsc_default,
96 	.set_output_gamma = mpc2_set_output_gamma,
97 	.set_out_rate_control = mpc201_set_out_rate_control,
98 	.power_on_mpc_mem_pwr = mpc20_power_on_ogam_lut,
99 	.get_mpc_out_mux = mpc1_get_mpc_out_mux,
100 	.set_bg_color = mpc1_set_bg_color,
101 };
102 
103 void dcn201_mpc_construct(struct dcn201_mpc *mpc201,
104 	struct dc_context *ctx,
105 	const struct dcn201_mpc_registers *mpc_regs,
106 	const struct dcn201_mpc_shift *mpc_shift,
107 	const struct dcn201_mpc_mask *mpc_mask,
108 	int num_mpcc)
109 {
110 	int i;
111 
112 	mpc201->base.ctx = ctx;
113 
114 	mpc201->base.funcs = &dcn201_mpc_funcs;
115 
116 	mpc201->mpc_regs = mpc_regs;
117 	mpc201->mpc_shift = mpc_shift;
118 	mpc201->mpc_mask = mpc_mask;
119 
120 	mpc201->mpcc_in_use_mask = 0;
121 	mpc201->num_mpcc = num_mpcc;
122 
123 	for (i = 0; i < MAX_MPCC; i++)
124 		mpc201_init_mpcc(&mpc201->base.mpcc_array[i], i);
125 }
126