1 /*
2  * Copyright 2012-16 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 "clk_mgr_internal.h"
28 #include "rv1_clk_mgr_clk.h"
29 
30 #include "ip/Discovery/hwid.h"
31 #include "ip/Discovery/v1/ip_offset_1.h"
32 #include "ip/CLK/clk_10_0_default.h"
33 #include "ip/CLK/clk_10_0_offset.h"
34 #include "ip/CLK/clk_10_0_reg.h"
35 #include "ip/CLK/clk_10_0_sh_mask.h"
36 
37 #include "dce100/dce_clk_mgr.h"
38 
39 #define CLK_BASE_INNER(inst) \
40 	CLK_BASE__INST ## inst ## _SEG0
41 
42 
43 #define CLK_REG(reg_name, block, inst)\
44 	CLK_BASE(mm ## block ## _ ## inst ## _ ## reg_name ## _BASE_IDX) + \
45 					mm ## block ## _ ## inst ## _ ## reg_name
46 
47 #define REG(reg_name) \
48 	CLK_REG(reg_name, CLK0, 0)
49 
50 
51 /* Only used by testing framework*/
52 void rv1_dump_clk_registers(struct clk_state_registers *regs, struct clk_bypass *bypass, struct clk_mgr *clk_mgr_base)
53 {
54 	struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
55 
56 		regs->CLK0_CLK8_CURRENT_CNT = REG_READ(CLK0_CLK8_CURRENT_CNT) / 10; //dcf clk
57 
58 		bypass->dcfclk_bypass = REG_READ(CLK0_CLK8_BYPASS_CNTL) & 0x0007;
59 		if (bypass->dcfclk_bypass < 0 || bypass->dcfclk_bypass > 4)
60 			bypass->dcfclk_bypass = 0;
61 
62 
63 		regs->CLK0_CLK8_DS_CNTL = REG_READ(CLK0_CLK8_DS_CNTL) / 10;	//dcf deep sleep divider
64 
65 		regs->CLK0_CLK8_ALLOW_DS = REG_READ(CLK0_CLK8_ALLOW_DS); //dcf deep sleep allow
66 
67 		regs->CLK0_CLK10_CURRENT_CNT = REG_READ(CLK0_CLK10_CURRENT_CNT) / 10; //dpref clk
68 
69 		bypass->dispclk_pypass = REG_READ(CLK0_CLK10_BYPASS_CNTL) & 0x0007;
70 		if (bypass->dispclk_pypass < 0 || bypass->dispclk_pypass > 4)
71 			bypass->dispclk_pypass = 0;
72 
73 		regs->CLK0_CLK11_CURRENT_CNT = REG_READ(CLK0_CLK11_CURRENT_CNT) / 10; //disp clk
74 
75 		bypass->dprefclk_bypass = REG_READ(CLK0_CLK11_BYPASS_CNTL) & 0x0007;
76 		if (bypass->dprefclk_bypass < 0 || bypass->dprefclk_bypass > 4)
77 			bypass->dprefclk_bypass = 0;
78 
79 }
80