[mirror_ubuntu-artful-kernel.git] / drivers / cpufreq / longhaul.h

/*
 *  longhaul.h
 *  (C) 2003 Dave Jones.
 *
 *  Licensed under the terms of the GNU GPL License version 2.
 *
 *  VIA-specific information
 */

union msr_bcr2 {
	struct {
		unsigned Reseved:19,	// 18:0
		ESOFTBF:1,		// 19
		Reserved2:3,		// 22:20
		CLOCKMUL:4,		// 26:23
		Reserved3:5;		// 31:27
	} bits;
	unsigned long val;
};

union msr_longhaul {
	struct {
		unsigned RevisionID:4,	// 3:0
		RevisionKey:4,		// 7:4
		EnableSoftBusRatio:1,	// 8
		EnableSoftVID:1,	// 9
		EnableSoftBSEL:1,	// 10
		Reserved:3,		// 11:13
		SoftBusRatio4:1,	// 14
		VRMRev:1,		// 15
		SoftBusRatio:4,		// 19:16
		SoftVID:5,		// 24:20
		Reserved2:3,		// 27:25
		SoftBSEL:2,		// 29:28
		Reserved3:2,		// 31:30
		MaxMHzBR:4,		// 35:32
		MaximumVID:5,		// 40:36
		MaxMHzFSB:2,		// 42:41
		MaxMHzBR4:1,		// 43
		Reserved4:4,		// 47:44
		MinMHzBR:4,		// 51:48
		MinimumVID:5,		// 56:52
		MinMHzFSB:2,		// 58:57
		MinMHzBR4:1,		// 59
		Reserved5:4;		// 63:60
	} bits;
	unsigned long long val;
};

/*
 * Clock ratio tables. Div/Mod by 10 to get ratio.
 * The eblcr values specify the ratio read from the CPU.
 * The mults values specify what to write to the CPU.
 */

/*
 * VIA C3 Samuel 1  & Samuel 2 (stepping 0)
 */
static const int samuel1_mults[16] = {
	-1, /* 0000 -> RESERVED */
	30, /* 0001 ->  3.0x */
	40, /* 0010 ->  4.0x */
	-1, /* 0011 -> RESERVED */
	-1, /* 0100 -> RESERVED */
	35, /* 0101 ->  3.5x */
	45, /* 0110 ->  4.5x */
	55, /* 0111 ->  5.5x */
	60, /* 1000 ->  6.0x */
	70, /* 1001 ->  7.0x */
	80, /* 1010 ->  8.0x */
	50, /* 1011 ->  5.0x */
	65, /* 1100 ->  6.5x */
	75, /* 1101 ->  7.5x */
	-1, /* 1110 -> RESERVED */
	-1, /* 1111 -> RESERVED */
};

static const int samuel1_eblcr[16] = {
	50, /* 0000 -> RESERVED */
	30, /* 0001 ->  3.0x */
	40, /* 0010 ->  4.0x */
	-1, /* 0011 -> RESERVED */
	55, /* 0100 ->  5.5x */
	35, /* 0101 ->  3.5x */
	45, /* 0110 ->  4.5x */
	-1, /* 0111 -> RESERVED */
	-1, /* 1000 -> RESERVED */
	70, /* 1001 ->  7.0x */
	80, /* 1010 ->  8.0x */
	60, /* 1011 ->  6.0x */
	-1, /* 1100 -> RESERVED */
	75, /* 1101 ->  7.5x */
	-1, /* 1110 -> RESERVED */
	65, /* 1111 ->  6.5x */
};

/*
 * VIA C3 Samuel2 Stepping 1->15
 */
static const int samuel2_eblcr[16] = {
	50,  /* 0000 ->  5.0x */
	30,  /* 0001 ->  3.0x */
	40,  /* 0010 ->  4.0x */
	100, /* 0011 -> 10.0x */
	55,  /* 0100 ->  5.5x */
	35,  /* 0101 ->  3.5x */
	45,  /* 0110 ->  4.5x */
	110, /* 0111 -> 11.0x */
	90,  /* 1000 ->  9.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	60,  /* 1011 ->  6.0x */
	120, /* 1100 -> 12.0x */
	75,  /* 1101 ->  7.5x */
	130, /* 1110 -> 13.0x */
	65,  /* 1111 ->  6.5x */
};

/*
 * VIA C3 Ezra
 */
static const int ezra_mults[16] = {
	100, /* 0000 -> 10.0x */
	30,  /* 0001 ->  3.0x */
	40,  /* 0010 ->  4.0x */
	90,  /* 0011 ->  9.0x */
	95,  /* 0100 ->  9.5x */
	35,  /* 0101 ->  3.5x */
	45,  /* 0110 ->  4.5x */
	55,  /* 0111 ->  5.5x */
	60,  /* 1000 ->  6.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	50,  /* 1011 ->  5.0x */
	65,  /* 1100 ->  6.5x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	120, /* 1111 -> 12.0x */
};

static const int ezra_eblcr[16] = {
	50,  /* 0000 ->  5.0x */
	30,  /* 0001 ->  3.0x */
	40,  /* 0010 ->  4.0x */
	100, /* 0011 -> 10.0x */
	55,  /* 0100 ->  5.5x */
	35,  /* 0101 ->  3.5x */
	45,  /* 0110 ->  4.5x */
	95,  /* 0111 ->  9.5x */
	90,  /* 1000 ->  9.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	60,  /* 1011 ->  6.0x */
	120, /* 1100 -> 12.0x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	65,  /* 1111 ->  6.5x */
};

/*
 * VIA C3 (Ezra-T) [C5M].
 */
static const int ezrat_mults[32] = {
	100, /* 0000 -> 10.0x */
	30,  /* 0001 ->  3.0x */
	40,  /* 0010 ->  4.0x */
	90,  /* 0011 ->  9.0x */
	95,  /* 0100 ->  9.5x */
	35,  /* 0101 ->  3.5x */
	45,  /* 0110 ->  4.5x */
	55,  /* 0111 ->  5.5x */
	60,  /* 1000 ->  6.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	50,  /* 1011 ->  5.0x */
	65,  /* 1100 ->  6.5x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	120, /* 1111 ->  12.0x */

	-1,  /* 0000 -> RESERVED (10.0x) */
	110, /* 0001 -> 11.0x */
	-1, /* 0010 -> 12.0x */
	-1,  /* 0011 -> RESERVED (9.0x)*/
	105, /* 0100 -> 10.5x */
	115, /* 0101 -> 11.5x */
	125, /* 0110 -> 12.5x */
	135, /* 0111 -> 13.5x */
	140, /* 1000 -> 14.0x */
	150, /* 1001 -> 15.0x */
	160, /* 1010 -> 16.0x */
	130, /* 1011 -> 13.0x */
	145, /* 1100 -> 14.5x */
	155, /* 1101 -> 15.5x */
	-1,  /* 1110 -> RESERVED (13.0x) */
	-1,  /* 1111 -> RESERVED (12.0x) */
};

static const int ezrat_eblcr[32] = {
	50,  /* 0000 ->  5.0x */
	30,  /* 0001 ->  3.0x */
	40,  /* 0010 ->  4.0x */
	100, /* 0011 -> 10.0x */
	55,  /* 0100 ->  5.5x */
	35,  /* 0101 ->  3.5x */
	45,  /* 0110 ->  4.5x */
	95,  /* 0111 ->  9.5x */
	90,  /* 1000 ->  9.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	60,  /* 1011 ->  6.0x */
	120, /* 1100 -> 12.0x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	65,  /* 1111 ->  6.5x */

	-1,  /* 0000 -> RESERVED (9.0x) */
	110, /* 0001 -> 11.0x */
	120, /* 0010 -> 12.0x */
	-1,  /* 0011 -> RESERVED (10.0x)*/
	135, /* 0100 -> 13.5x */
	115, /* 0101 -> 11.5x */
	125, /* 0110 -> 12.5x */
	105, /* 0111 -> 10.5x */
	130, /* 1000 -> 13.0x */
	150, /* 1001 -> 15.0x */
	160, /* 1010 -> 16.0x */
	140, /* 1011 -> 14.0x */
	-1,  /* 1100 -> RESERVED (12.0x) */
	155, /* 1101 -> 15.5x */
	-1,  /* 1110 -> RESERVED (13.0x) */
	145, /* 1111 -> 14.5x */
};

/*
 * VIA C3 Nehemiah */

static const int nehemiah_mults[32] = {
	100, /* 0000 -> 10.0x */
	-1, /* 0001 -> 16.0x */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* longhaul.h
	3	* (C) 2003 Dave Jones.
	4	*
	5	* Licensed under the terms of the GNU GPL License version 2.
	6	*
	7	* VIA-specific information
	8	*/
	9
	10	union msr_bcr2 {
	11	struct {
	12	unsigned Reseved:19, // 18:0
	13	ESOFTBF:1, // 19
	14	Reserved2:3, // 22:20
	15	CLOCKMUL:4, // 26:23
	16	Reserved3:5; // 31:27
	17	} bits;
	18	unsigned long val;
	19	};
	20
	21	union msr_longhaul {
	22	struct {
	23	unsigned RevisionID:4, // 3:0
	24	RevisionKey:4, // 7:4
	25	EnableSoftBusRatio:1, // 8
	26	EnableSoftVID:1, // 9
	27	EnableSoftBSEL:1, // 10
	28	Reserved:3, // 11:13
	29	SoftBusRatio4:1, // 14
	30	VRMRev:1, // 15
	31	SoftBusRatio:4, // 19:16
	32	SoftVID:5, // 24:20
	33	Reserved2:3, // 27:25
	34	SoftBSEL:2, // 29:28
	35	Reserved3:2, // 31:30
	36	MaxMHzBR:4, // 35:32
	37	MaximumVID:5, // 40:36
	38	MaxMHzFSB:2, // 42:41
	39	MaxMHzBR4:1, // 43
	40	Reserved4:4, // 47:44
	41	MinMHzBR:4, // 51:48
	42	MinimumVID:5, // 56:52
	43	MinMHzFSB:2, // 58:57
	44	MinMHzBR4:1, // 59
	45	Reserved5:4; // 63:60
	46	} bits;
	47	unsigned long long val;
	48	};
	49
	50	/*
	51	* Clock ratio tables. Div/Mod by 10 to get ratio.
ac617bd0 DJ	52	* The eblcr values specify the ratio read from the CPU.
ac617bd0 DJ	53	* The mults values specify what to write to the CPU.
1da177e4 LT	54	*/
	55
	56	/*
	57	* VIA C3 Samuel 1 & Samuel 2 (stepping 0)
	58	*/
2760984f	59	static const int samuel1_mults[16] = {
1da177e4 LT	60	-1, /* 0000 -> RESERVED */
	61	30, /* 0001 -> 3.0x */
	62	40, /* 0010 -> 4.0x */
	63	-1, /* 0011 -> RESERVED */
	64	-1, /* 0100 -> RESERVED */
	65	35, /* 0101 -> 3.5x */
	66	45, /* 0110 -> 4.5x */
	67	55, /* 0111 -> 5.5x */
	68	60, /* 1000 -> 6.0x */
	69	70, /* 1001 -> 7.0x */
	70	80, /* 1010 -> 8.0x */
	71	50, /* 1011 -> 5.0x */
	72	65, /* 1100 -> 6.5x */
	73	75, /* 1101 -> 7.5x */
	74	-1, /* 1110 -> RESERVED */
	75	-1, /* 1111 -> RESERVED */
	76	};
	77
2760984f	78	static const int samuel1_eblcr[16] = {
1da177e4 LT	79	50, /* 0000 -> RESERVED */
	80	30, /* 0001 -> 3.0x */
	81	40, /* 0010 -> 4.0x */
	82	-1, /* 0011 -> RESERVED */
	83	55, /* 0100 -> 5.5x */
	84	35, /* 0101 -> 3.5x */
	85	45, /* 0110 -> 4.5x */
	86	-1, /* 0111 -> RESERVED */
	87	-1, /* 1000 -> RESERVED */
	88	70, /* 1001 -> 7.0x */
	89	80, /* 1010 -> 8.0x */
	90	60, /* 1011 -> 6.0x */
	91	-1, /* 1100 -> RESERVED */
	92	75, /* 1101 -> 7.5x */
	93	-1, /* 1110 -> RESERVED */
	94	65, /* 1111 -> 6.5x */
	95	};
	96
	97	/*
	98	* VIA C3 Samuel2 Stepping 1->15
	99	*/
2760984f	100	static const int samuel2_eblcr[16] = {
1da177e4 LT	101	50, /* 0000 -> 5.0x */
	102	30, /* 0001 -> 3.0x */
	103	40, /* 0010 -> 4.0x */
	104	100, /* 0011 -> 10.0x */
	105	55, /* 0100 -> 5.5x */
	106	35, /* 0101 -> 3.5x */
	107	45, /* 0110 -> 4.5x */
	108	110, /* 0111 -> 11.0x */
	109	90, /* 1000 -> 9.0x */
	110	70, /* 1001 -> 7.0x */
	111	80, /* 1010 -> 8.0x */
	112	60, /* 1011 -> 6.0x */
	113	120, /* 1100 -> 12.0x */
	114	75, /* 1101 -> 7.5x */
	115	130, /* 1110 -> 13.0x */
	116	65, /* 1111 -> 6.5x */
	117	};
	118
	119	/*
	120	* VIA C3 Ezra
	121	*/
2760984f	122	static const int ezra_mults[16] = {
1da177e4 LT	123	100, /* 0000 -> 10.0x */
	124	30, /* 0001 -> 3.0x */
	125	40, /* 0010 -> 4.0x */
	126	90, /* 0011 -> 9.0x */
	127	95, /* 0100 -> 9.5x */
	128	35, /* 0101 -> 3.5x */
	129	45, /* 0110 -> 4.5x */
	130	55, /* 0111 -> 5.5x */
	131	60, /* 1000 -> 6.0x */
	132	70, /* 1001 -> 7.0x */
	133	80, /* 1010 -> 8.0x */
	134	50, /* 1011 -> 5.0x */
	135	65, /* 1100 -> 6.5x */
	136	75, /* 1101 -> 7.5x */
	137	85, /* 1110 -> 8.5x */
	138	120, /* 1111 -> 12.0x */
	139	};
	140
2760984f	141	static const int ezra_eblcr[16] = {
1da177e4 LT	142	50, /* 0000 -> 5.0x */
	143	30, /* 0001 -> 3.0x */
	144	40, /* 0010 -> 4.0x */
	145	100, /* 0011 -> 10.0x */
	146	55, /* 0100 -> 5.5x */
	147	35, /* 0101 -> 3.5x */
	148	45, /* 0110 -> 4.5x */
	149	95, /* 0111 -> 9.5x */
	150	90, /* 1000 -> 9.0x */
	151	70, /* 1001 -> 7.0x */
	152	80, /* 1010 -> 8.0x */
	153	60, /* 1011 -> 6.0x */
	154	120, /* 1100 -> 12.0x */
	155	75, /* 1101 -> 7.5x */
	156	85, /* 1110 -> 8.5x */
	157	65, /* 1111 -> 6.5x */
	158	};
	159
	160	/*
	161	* VIA C3 (Ezra-T) [C5M].
	162	*/
2760984f	163	static const int ezrat_mults[32] = {
1da177e4 LT	164	100, /* 0000 -> 10.0x */
	165	30, /* 0001 -> 3.0x */
	166	40, /* 0010 -> 4.0x */
	167	90, /* 0011 -> 9.0x */
	168	95, /* 0100 -> 9.5x */
	169	35, /* 0101 -> 3.5x */
	170	45, /* 0110 -> 4.5x */
	171	55, /* 0111 -> 5.5x */
	172	60, /* 1000 -> 6.0x */
	173	70, /* 1001 -> 7.0x */
	174	80, /* 1010 -> 8.0x */
	175	50, /* 1011 -> 5.0x */
	176	65, /* 1100 -> 6.5x */
	177	75, /* 1101 -> 7.5x */
	178	85, /* 1110 -> 8.5x */
	179	120, /* 1111 -> 12.0x */
	180
	181	-1, /* 0000 -> RESERVED (10.0x) */
	182	110, /* 0001 -> 11.0x */
ce243823	183	-1, /* 0010 -> 12.0x */
1da177e4 LT	184	-1, /* 0011 -> RESERVED (9.0x)*/
	185	105, /* 0100 -> 10.5x */
	186	115, /* 0101 -> 11.5x */
	187	125, /* 0110 -> 12.5x */
	188	135, /* 0111 -> 13.5x */
	189	140, /* 1000 -> 14.0x */
	190	150, /* 1001 -> 15.0x */
	191	160, /* 1010 -> 16.0x */
	192	130, /* 1011 -> 13.0x */
	193	145, /* 1100 -> 14.5x */
	194	155, /* 1101 -> 15.5x */
	195	-1, /* 1110 -> RESERVED (13.0x) */
	196	-1, /* 1111 -> RESERVED (12.0x) */
	197	};
	198
2760984f	199	static const int ezrat_eblcr[32] = {
1da177e4 LT	200	50, /* 0000 -> 5.0x */
	201	30, /* 0001 -> 3.0x */
	202	40, /* 0010 -> 4.0x */
	203	100, /* 0011 -> 10.0x */
	204	55, /* 0100 -> 5.5x */
	205	35, /* 0101 -> 3.5x */
	206	45, /* 0110 -> 4.5x */
	207	95, /* 0111 -> 9.5x */
	208	90, /* 1000 -> 9.0x */
	209	70, /* 1001 -> 7.0x */
	210	80, /* 1010 -> 8.0x */
	211	60, /* 1011 -> 6.0x */
	212	120, /* 1100 -> 12.0x */
	213	75, /* 1101 -> 7.5x */
	214	85, /* 1110 -> 8.5x */
	215	65, /* 1111 -> 6.5x */
	216
	217	-1, /* 0000 -> RESERVED (9.0x) */
	218	110, /* 0001 -> 11.0x */
	219	120, /* 0010 -> 12.0x */
	220	-1, /* 0011 -> RESERVED (10.0x)*/
	221	135, /* 0100 -> 13.5x */
	222	115, /* 0101 -> 11.5x */
	223	125, /* 0110 -> 12.5x */
	224	105, /* 0111 -> 10.5x */
	225	130, /* 1000 -> 13.0x */
	226	150, /* 1001 -> 15.0x */
	227	160, /* 1010 -> 16.0x */
	228	140, /* 1011 -> 14.0x */
	229	-1, /* 1100 -> RESERVED (12.0x) */
	230	155, /* 1101 -> 15.5x */
	231	-1, /* 1110 -> RESERVED (13.0x) */
	232	145, /* 1111 -> 14.5x */
	233	};
	234
	235	/*
	236	* VIA C3 Nehemiah */
32ee8c3e	237
2760984f	238	static const int nehemiah_mults[32] = {
1da177e4	239	100, /* 0000 -> 10.0x */
ce243823	240	-1, /* 0001 -> 16.0x */