1 /*
2  * Miscellaneous IOCTL commands for Dynamic Power Management Controller Driver
3  *
4  * Copyright (C) 2004-2009 Analog Device Inc.
5  *
6  * Licensed under the GPL-2
7  */
8 
9 #ifndef _BLACKFIN_DPMC_H_
10 #define _BLACKFIN_DPMC_H_
11 
12 #include <mach/pll.h>
13 
14 /* PLL_CTL Masks */
15 #define DF			0x0001	/* 0: PLL = CLKIN, 1: PLL = CLKIN/2 */
16 #define PLL_OFF			0x0002	/* PLL Not Powered */
17 #define STOPCK			0x0008	/* Core Clock Off */
18 #define PDWN			0x0020	/* Enter Deep Sleep Mode */
19 #ifdef __ADSPBF539__
20 # define IN_DELAY		0x0014	/* Add 200ps Delay To EBIU Input Latches */
21 # define OUT_DELAY		0x00C0	/* Add 200ps Delay To EBIU Output Signals */
22 #else
23 # define IN_DELAY		0x0040	/* Add 200ps Delay To EBIU Input Latches */
24 # define OUT_DELAY		0x0080	/* Add 200ps Delay To EBIU Output Signals */
25 #endif
26 #define BYPASS			0x0100	/* Bypass the PLL */
27 #define MSEL			0x7E00	/* Multiplier Select For CCLK/VCO Factors */
28 #define SPORT_HYST		0x8000	/* Enable Additional Hysteresis on SPORT Input Pins */
29 #define SET_MSEL(x)		(((x)&0x3F) << 0x9)	/* Set MSEL = 0-63 --> VCO = CLKIN*MSEL */
30 
31 /* PLL_DIV Masks */
32 #define SSEL			0x000F	/* System Select */
33 #define CSEL			0x0030	/* Core Select */
34 #define CSEL_DIV1		0x0000	/* CCLK = VCO / 1 */
35 #define CSEL_DIV2		0x0010	/* CCLK = VCO / 2 */
36 #define CSEL_DIV4		0x0020	/* CCLK = VCO / 4 */
37 #define CSEL_DIV8		0x0030	/* CCLK = VCO / 8 */
38 
39 #define CCLK_DIV1 CSEL_DIV1
40 #define CCLK_DIV2 CSEL_DIV2
41 #define CCLK_DIV4 CSEL_DIV4
42 #define CCLK_DIV8 CSEL_DIV8
43 
44 #define SET_SSEL(x)	((x) & 0xF)	/* Set SSEL = 0-15 --> SCLK = VCO/SSEL */
45 #define SCLK_DIV(x)	(x)		/* SCLK = VCO / x */
46 
47 /* PLL_STAT Masks */
48 #define ACTIVE_PLLENABLED	0x0001	/* Processor In Active Mode With PLL Enabled */
49 #define FULL_ON			0x0002	/* Processor In Full On Mode */
50 #define ACTIVE_PLLDISABLED	0x0004	/* Processor In Active Mode With PLL Disabled */
51 #define PLL_LOCKED		0x0020	/* PLL_LOCKCNT Has Been Reached */
52 
53 #define RTCWS			0x0400	/* RTC/Reset Wake-Up Status */
54 #define CANWS			0x0800	/* CAN Wake-Up Status */
55 #define USBWS			0x2000	/* USB Wake-Up Status */
56 #define KPADWS			0x4000	/* Keypad Wake-Up Status */
57 #define ROTWS			0x8000	/* Rotary Wake-Up Status */
58 #define GPWS			0x1000	/* General-Purpose Wake-Up Status */
59 
60 /* VR_CTL Masks */
61 #if defined(__ADSPBF52x__) || defined(__ADSPBF51x__)
62 #define FREQ			0x3000	/* Switching Oscillator Frequency For Regulator */
63 #define FREQ_1000		0x3000	/* Switching Frequency Is 1 MHz */
64 #else
65 #define FREQ			0x0003	/* Switching Oscillator Frequency For Regulator */
66 #define FREQ_333		0x0001	/* Switching Frequency Is 333 kHz */
67 #define FREQ_667		0x0002	/* Switching Frequency Is 667 kHz */
68 #define FREQ_1000		0x0003	/* Switching Frequency Is 1 MHz */
69 #endif
70 #define HIBERNATE		0x0000	/* Powerdown/Bypass On-Board Regulation */
71 
72 #define GAIN			0x000C	/* Voltage Level Gain */
73 #define GAIN_5			0x0000	/* GAIN = 5 */
74 #define GAIN_10			0x0004	/* GAIN = 1 */
75 #define GAIN_20			0x0008	/* GAIN = 2 */
76 #define GAIN_50			0x000C	/* GAIN = 5 */
77 
78 #define VLEV			0x00F0	/* Internal Voltage Level */
79 #ifdef __ADSPBF52x__
80 #define VLEV_085		0x0040	/* VLEV = 0.85 V (-5% - +10% Accuracy) */
81 #define VLEV_090		0x0050	/* VLEV = 0.90 V (-5% - +10% Accuracy) */
82 #define VLEV_095		0x0060	/* VLEV = 0.95 V (-5% - +10% Accuracy) */
83 #define VLEV_100		0x0070	/* VLEV = 1.00 V (-5% - +10% Accuracy) */
84 #define VLEV_105		0x0080	/* VLEV = 1.05 V (-5% - +10% Accuracy) */
85 #define VLEV_110		0x0090	/* VLEV = 1.10 V (-5% - +10% Accuracy) */
86 #define VLEV_115		0x00A0	/* VLEV = 1.15 V (-5% - +10% Accuracy) */
87 #define VLEV_120		0x00B0	/* VLEV = 1.20 V (-5% - +10% Accuracy) */
88 #else
89 #define VLEV_085		0x0060	/* VLEV = 0.85 V (-5% - +10% Accuracy) */
90 #define VLEV_090		0x0070	/* VLEV = 0.90 V (-5% - +10% Accuracy) */
91 #define VLEV_095		0x0080	/* VLEV = 0.95 V (-5% - +10% Accuracy) */
92 #define VLEV_100		0x0090	/* VLEV = 1.00 V (-5% - +10% Accuracy) */
93 #define VLEV_105		0x00A0	/* VLEV = 1.05 V (-5% - +10% Accuracy) */
94 #define VLEV_110		0x00B0	/* VLEV = 1.10 V (-5% - +10% Accuracy) */
95 #define VLEV_115		0x00C0	/* VLEV = 1.15 V (-5% - +10% Accuracy) */
96 #define VLEV_120		0x00D0	/* VLEV = 1.20 V (-5% - +10% Accuracy) */
97 #define VLEV_125		0x00E0	/* VLEV = 1.25 V (-5% - +10% Accuracy) */
98 #define VLEV_130		0x00F0	/* VLEV = 1.30 V (-5% - +10% Accuracy) */
99 #endif
100 
101 #define WAKE			0x0100	/* Enable RTC/Reset Wakeup From Hibernate */
102 #define CANWE			0x0200	/* Enable CAN Wakeup From Hibernate */
103 #define PHYWE			0x0400	/* Enable PHY Wakeup From Hibernate */
104 #define GPWE			0x0400	/* General-Purpose Wake-Up Enable */
105 #define MXVRWE			0x0400	/* Enable MXVR Wakeup From Hibernate */
106 #define KPADWE			0x1000	/* Keypad Wake-Up Enable */
107 #define ROTWE			0x2000	/* Rotary Wake-Up Enable */
108 #define CLKBUFOE		0x4000	/* CLKIN Buffer Output Enable */
109 #define SCKELOW			0x8000	/* Do Not Drive SCKE High During Reset After Hibernate */
110 
111 #if defined(__ADSPBF52x__) || defined(__ADSPBF51x__)
112 #define USBWE			0x0200	/* Enable USB Wakeup From Hibernate */
113 #else
114 #define USBWE			0x0800	/* Enable USB Wakeup From Hibernate */
115 #endif
116 
117 #ifndef __ASSEMBLY__
118 
119 void sleep_mode(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
120 void hibernate_mode(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
121 void sleep_deeper(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
122 void do_hibernate(int wakeup);
123 void set_dram_srfs(void);
124 void unset_dram_srfs(void);
125 
126 #define VRPAIR(vlev, freq) (((vlev) << 16) | ((freq) >> 16))
127 
128 #ifdef CONFIG_CPU_FREQ
129 #define CPUFREQ_CPU 0
130 #endif
131 struct bfin_dpmc_platform_data {
132 	const unsigned int *tuple_tab;
133 	unsigned short tabsize;
134 	unsigned short vr_settling_time; /* in us */
135 };
136 
137 #else
138 
139 #define PM_PUSH(x) \
140 	R0 = [P0 + (x - SRAM_BASE_ADDRESS)];\
141 	[--SP] =  R0;\
142 
143 #define PM_POP(x) \
144 	R0 = [SP++];\
145 	[P0 + (x - SRAM_BASE_ADDRESS)] = R0;\
146 
147 #define PM_SYS_PUSH(x) \
148 	R0 = [P0 + (x - PLL_CTL)];\
149 	[--SP] =  R0;\
150 
151 #define PM_SYS_POP(x) \
152 	R0 = [SP++];\
153 	[P0 + (x - PLL_CTL)] = R0;\
154 
155 #define PM_SYS_PUSH16(x) \
156 	R0 = w[P0 + (x - PLL_CTL)];\
157 	[--SP] =  R0;\
158 
159 #define PM_SYS_POP16(x) \
160 	R0 = [SP++];\
161 	w[P0 + (x - PLL_CTL)] = R0;\
162 
163 #endif
164 
165 #endif	/*_BLACKFIN_DPMC_H_*/
166