xref: /linux/drivers/gpu/drm/i915/display/vlv_dsi_pll_regs.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2022 Intel Corporation
4  */
5 
6 #ifndef __VLV_DSI_PLL_REGS_H__
7 #define __VLV_DSI_PLL_REGS_H__
8 
9 #include "vlv_dsi_regs.h"
10 
11 #define MIPIO_TXESC_CLK_DIV1			_MMIO(0x160004)
12 #define  GLK_TX_ESC_CLK_DIV1_MASK			0x3FF
13 #define MIPIO_TXESC_CLK_DIV2			_MMIO(0x160008)
14 #define  GLK_TX_ESC_CLK_DIV2_MASK			0x3FF
15 
16 #define BXT_MAX_VAR_OUTPUT_KHZ			39500
17 
18 #define BXT_MIPI_CLOCK_CTL			_MMIO(0x46090)
19 #define  BXT_MIPI1_DIV_SHIFT			26
20 #define  BXT_MIPI2_DIV_SHIFT			10
21 #define  BXT_MIPI_DIV_SHIFT(port)		\
22 			_MIPI_PORT(port, BXT_MIPI1_DIV_SHIFT, \
23 					BXT_MIPI2_DIV_SHIFT)
24 
25 /* TX control divider to select actual TX clock output from (8x/var) */
26 #define  BXT_MIPI1_TX_ESCLK_SHIFT		26
27 #define  BXT_MIPI2_TX_ESCLK_SHIFT		10
28 #define  BXT_MIPI_TX_ESCLK_SHIFT(port)		\
29 			_MIPI_PORT(port, BXT_MIPI1_TX_ESCLK_SHIFT, \
30 					BXT_MIPI2_TX_ESCLK_SHIFT)
31 #define  BXT_MIPI1_TX_ESCLK_FIXDIV_MASK		(0x3F << 26)
32 #define  BXT_MIPI2_TX_ESCLK_FIXDIV_MASK		(0x3F << 10)
33 #define  BXT_MIPI_TX_ESCLK_FIXDIV_MASK(port)	\
34 			_MIPI_PORT(port, BXT_MIPI1_TX_ESCLK_FIXDIV_MASK, \
35 					BXT_MIPI2_TX_ESCLK_FIXDIV_MASK)
36 #define  BXT_MIPI_TX_ESCLK_DIVIDER(port, val)	\
37 		(((val) & 0x3F) << BXT_MIPI_TX_ESCLK_SHIFT(port))
38 /* RX upper control divider to select actual RX clock output from 8x */
39 #define  BXT_MIPI1_RX_ESCLK_UPPER_SHIFT		21
40 #define  BXT_MIPI2_RX_ESCLK_UPPER_SHIFT		5
41 #define  BXT_MIPI_RX_ESCLK_UPPER_SHIFT(port)		\
42 			_MIPI_PORT(port, BXT_MIPI1_RX_ESCLK_UPPER_SHIFT, \
43 					BXT_MIPI2_RX_ESCLK_UPPER_SHIFT)
44 #define  BXT_MIPI1_RX_ESCLK_UPPER_FIXDIV_MASK		(3 << 21)
45 #define  BXT_MIPI2_RX_ESCLK_UPPER_FIXDIV_MASK		(3 << 5)
46 #define  BXT_MIPI_RX_ESCLK_UPPER_FIXDIV_MASK(port)	\
47 			_MIPI_PORT(port, BXT_MIPI1_RX_ESCLK_UPPER_FIXDIV_MASK, \
48 					BXT_MIPI2_RX_ESCLK_UPPER_FIXDIV_MASK)
49 #define  BXT_MIPI_RX_ESCLK_UPPER_DIVIDER(port, val)	\
50 		(((val) & 3) << BXT_MIPI_RX_ESCLK_UPPER_SHIFT(port))
51 /* 8/3X divider to select the actual 8/3X clock output from 8x */
52 #define  BXT_MIPI1_8X_BY3_SHIFT                19
53 #define  BXT_MIPI2_8X_BY3_SHIFT                3
54 #define  BXT_MIPI_8X_BY3_SHIFT(port)          \
55 			_MIPI_PORT(port, BXT_MIPI1_8X_BY3_SHIFT, \
56 					BXT_MIPI2_8X_BY3_SHIFT)
57 #define  BXT_MIPI1_8X_BY3_DIVIDER_MASK         (3 << 19)
58 #define  BXT_MIPI2_8X_BY3_DIVIDER_MASK         (3 << 3)
59 #define  BXT_MIPI_8X_BY3_DIVIDER_MASK(port)    \
60 			_MIPI_PORT(port, BXT_MIPI1_8X_BY3_DIVIDER_MASK, \
61 						BXT_MIPI2_8X_BY3_DIVIDER_MASK)
62 #define  BXT_MIPI_8X_BY3_DIVIDER(port, val)    \
63 			(((val) & 3) << BXT_MIPI_8X_BY3_SHIFT(port))
64 /* RX lower control divider to select actual RX clock output from 8x */
65 #define  BXT_MIPI1_RX_ESCLK_LOWER_SHIFT		16
66 #define  BXT_MIPI2_RX_ESCLK_LOWER_SHIFT		0
67 #define  BXT_MIPI_RX_ESCLK_LOWER_SHIFT(port)		\
68 			_MIPI_PORT(port, BXT_MIPI1_RX_ESCLK_LOWER_SHIFT, \
69 					BXT_MIPI2_RX_ESCLK_LOWER_SHIFT)
70 #define  BXT_MIPI1_RX_ESCLK_LOWER_FIXDIV_MASK		(3 << 16)
71 #define  BXT_MIPI2_RX_ESCLK_LOWER_FIXDIV_MASK		(3 << 0)
72 #define  BXT_MIPI_RX_ESCLK_LOWER_FIXDIV_MASK(port)	\
73 			_MIPI_PORT(port, BXT_MIPI1_RX_ESCLK_LOWER_FIXDIV_MASK, \
74 					BXT_MIPI2_RX_ESCLK_LOWER_FIXDIV_MASK)
75 #define  BXT_MIPI_RX_ESCLK_LOWER_DIVIDER(port, val)	\
76 		(((val) & 3) << BXT_MIPI_RX_ESCLK_LOWER_SHIFT(port))
77 
78 #define RX_DIVIDER_BIT_1_2                     0x3
79 #define RX_DIVIDER_BIT_3_4                     0xC
80 
81 #define BXT_DSI_PLL_CTL			_MMIO(0x161000)
82 #define  BXT_DSI_PLL_PVD_RATIO_SHIFT	16
83 #define  BXT_DSI_PLL_PVD_RATIO_MASK	(3 << BXT_DSI_PLL_PVD_RATIO_SHIFT)
84 #define  BXT_DSI_PLL_PVD_RATIO_1	(1 << BXT_DSI_PLL_PVD_RATIO_SHIFT)
85 #define  BXT_DSIC_16X_BY1		(0 << 10)
86 #define  BXT_DSIC_16X_BY2		(1 << 10)
87 #define  BXT_DSIC_16X_BY3		(2 << 10)
88 #define  BXT_DSIC_16X_BY4		(3 << 10)
89 #define  BXT_DSIC_16X_MASK		(3 << 10)
90 #define  BXT_DSIA_16X_BY1		(0 << 8)
91 #define  BXT_DSIA_16X_BY2		(1 << 8)
92 #define  BXT_DSIA_16X_BY3		(2 << 8)
93 #define  BXT_DSIA_16X_BY4		(3 << 8)
94 #define  BXT_DSIA_16X_MASK		(3 << 8)
95 #define  BXT_DSI_FREQ_SEL_SHIFT		8
96 #define  BXT_DSI_FREQ_SEL_MASK		(0xF << BXT_DSI_FREQ_SEL_SHIFT)
97 
98 #define BXT_DSI_PLL_RATIO_MAX		0x7D
99 #define BXT_DSI_PLL_RATIO_MIN		0x22
100 #define GLK_DSI_PLL_RATIO_MAX		0x6F
101 #define GLK_DSI_PLL_RATIO_MIN		0x22
102 #define BXT_DSI_PLL_RATIO_MASK		0xFF
103 #define BXT_REF_CLOCK_KHZ		19200
104 
105 #define BXT_DSI_PLL_ENABLE		_MMIO(0x46080)
106 #define  BXT_DSI_PLL_DO_ENABLE		(1 << 31)
107 #define  BXT_DSI_PLL_LOCKED		(1 << 30)
108 
109 #endif /* __VLV_DSI_PLL_REGS_H__ */
110