1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * NVIDIA Corporation <www.nvidia.com>
7 #ifndef __ASM_ARCH_TEGRA_DSI_H
8 #define __ASM_ARCH_TEGRA_DSI_H
11 #include <linux/bitops.h>
14 /* Register definitions for the Tegra display serial interface */
16 /* DSI syncpoint register 0x000 ~ 0x002 */
17 struct dsi_syncpt_reg {
18 /* Address 0x000 ~ 0x002 */
19 uint incr_syncpt; /* _INCR_SYNCPT_0 */
20 uint incr_syncpt_ctrl; /* _INCR_SYNCPT_CNTRL_0 */
21 uint incr_syncpt_err; /* _INCR_SYNCPT_ERROR_0 */
24 /* DSI misc register 0x008 ~ 0x015 */
26 /* Address 0x008 ~ 0x015 */
27 uint ctxsw; /* _CTXSW_0 */
28 uint dsi_rd_data; /* _DSI_RD_DATA_0 */
29 uint dsi_wr_data; /* _DSI_WR_DATA_0 */
30 uint dsi_pwr_ctrl; /* _DSI_POWER_CONTROL_0 */
31 uint int_enable; /* _INT_ENABLE_0 */
32 uint int_status; /* _INT_STATUS_0 */
33 uint int_mask; /* _INT_MASK_0 */
34 uint host_dsi_ctrl; /* _HOST_DSI_CONTROL_0 */
35 uint dsi_ctrl; /* _DSI_CONTROL_0 */
36 uint dsi_sol_delay; /* _DSI_SOL_DELAY_0 */
37 uint dsi_max_threshold; /* _DSI_MAX_THRESHOLD_0 */
38 uint dsi_trigger; /* _DSI_TRIGGER_0 */
39 uint dsi_tx_crc; /* _DSI_TX_CRC_0 */
40 uint dsi_status; /* _DSI_STATUS_0 */
43 /* DSI init sequence register 0x01a ~ 0x022 */
44 struct dsi_init_seq_reg {
45 /* Address 0x01a ~ 0x022 */
46 uint dsi_init_seq_ctrl; /* _DSI_INIT_SEQ_CONTROL_0 */
47 uint dsi_init_seq_data_0; /* _DSI_INIT_SEQ_DATA_0_0 */
48 uint dsi_init_seq_data_1; /* _DSI_INIT_SEQ_DATA_1_0 */
49 uint dsi_init_seq_data_2; /* _DSI_INIT_SEQ_DATA_2_0 */
50 uint dsi_init_seq_data_3; /* _DSI_INIT_SEQ_DATA_3_0 */
51 uint dsi_init_seq_data_4; /* _DSI_INIT_SEQ_DATA_4_0 */
52 uint dsi_init_seq_data_5; /* _DSI_INIT_SEQ_DATA_5_0 */
53 uint dsi_init_seq_data_6; /* _DSI_INIT_SEQ_DATA_6_0 */
54 uint dsi_init_seq_data_7; /* _DSI_INIT_SEQ_DATA_7_0 */
57 /* DSI packet sequence register 0x023 ~ 0x02e */
58 struct dsi_pkt_seq_reg {
59 /* Address 0x023 ~ 0x02e */
60 uint dsi_pkt_seq_0_lo; /* _DSI_PKT_SEQ_0_LO_0 */
61 uint dsi_pkt_seq_0_hi; /* _DSI_PKT_SEQ_0_HI_0 */
62 uint dsi_pkt_seq_1_lo; /* _DSI_PKT_SEQ_1_LO_0 */
63 uint dsi_pkt_seq_1_hi; /* _DSI_PKT_SEQ_1_HI_0 */
64 uint dsi_pkt_seq_2_lo; /* _DSI_PKT_SEQ_2_LO_0 */
65 uint dsi_pkt_seq_2_hi; /* _DSI_PKT_SEQ_2_HI_0 */
66 uint dsi_pkt_seq_3_lo; /* _DSI_PKT_SEQ_3_LO_0 */
67 uint dsi_pkt_seq_3_hi; /* _DSI_PKT_SEQ_3_HI_0 */
68 uint dsi_pkt_seq_4_lo; /* _DSI_PKT_SEQ_4_LO_0 */
69 uint dsi_pkt_seq_4_hi; /* _DSI_PKT_SEQ_4_HI_0 */
70 uint dsi_pkt_seq_5_lo; /* _DSI_PKT_SEQ_5_LO_0 */
71 uint dsi_pkt_seq_5_hi; /* _DSI_PKT_SEQ_5_HI_0 */
74 /* DSI packet length register 0x033 ~ 0x037 */
75 struct dsi_pkt_len_reg {
76 /* Address 0x033 ~ 0x037 */
77 uint dsi_dcs_cmds; /* _DSI_DCS_CMDS_0 */
78 uint dsi_pkt_len_0_1; /* _DSI_PKT_LEN_0_1_0 */
79 uint dsi_pkt_len_2_3; /* _DSI_PKT_LEN_2_3_0 */
80 uint dsi_pkt_len_4_5; /* _DSI_PKT_LEN_4_5_0 */
81 uint dsi_pkt_len_6_7; /* _DSI_PKT_LEN_6_7_0 */
84 /* DSI PHY timing register 0x03c ~ 0x03f */
85 struct dsi_timing_reg {
86 /* Address 0x03c ~ 0x03f */
87 uint dsi_phy_timing_0; /* _DSI_PHY_TIMING_0_0 */
88 uint dsi_phy_timing_1; /* _DSI_PHY_TIMING_1_0 */
89 uint dsi_phy_timing_2; /* _DSI_PHY_TIMING_2_0 */
90 uint dsi_bta_timing; /* _DSI_BTA_TIMING_0 */
93 /* DSI timeout register 0x044 ~ 0x046 */
94 struct dsi_timeout_reg {
95 /* Address 0x044 ~ 0x046 */
96 uint dsi_timeout_0; /* _DSI_TIMEOUT_0_0 */
97 uint dsi_timeout_1; /* _DSI_TIMEOUT_1_0 */
98 uint dsi_to_tally; /* _DSI_TO_TALLY_0 */
101 /* DSI PAD control register 0x04b ~ 0x04e */
102 struct dsi_pad_ctrl_reg {
103 /* Address 0x04b ~ 0x04e */
104 uint pad_ctrl; /* _PAD_CONTROL_0 */
105 uint pad_ctrl_cd; /* _PAD_CONTROL_CD_0 */
106 uint pad_cd_status; /* _PAD_CD_STATUS_0 */
107 uint dsi_vid_mode_control; /* _DSI_VID_MODE_CONTROL_0 */
110 /* Display Serial Interface (DSI_) regs */
112 struct dsi_syncpt_reg syncpt; /* SYNCPT register 0x000 ~ 0x002 */
113 uint reserved0[5]; /* reserved_0[5] */
115 struct dsi_misc_reg misc; /* MISC register 0x008 ~ 0x015 */
116 uint reserved1[4]; /* reserved_1[4] */
118 struct dsi_init_seq_reg init; /* INIT register 0x01a ~ 0x022 */
119 struct dsi_pkt_seq_reg pkt; /* PKT register 0x023 ~ 0x02e */
120 uint reserved2[4]; /* reserved_2[4] */
122 struct dsi_pkt_len_reg len; /* LEN registers 0x033 ~ 0x037 */
123 uint reserved3[4]; /* reserved_3[4] */
125 struct dsi_timing_reg ptiming; /* TIMING registers 0x03c ~ 0x03f */
126 uint reserved4[4]; /* reserved_4[4] */
128 struct dsi_timeout_reg timeout; /* TIMEOUT registers 0x044 ~ 0x046 */
129 uint reserved5[4]; /* reserved_5[4] */
131 struct dsi_pad_ctrl_reg pad; /* PAD registers 0x04b ~ 0x04e */
134 #define DSI_POWER_CONTROL_ENABLE BIT(0)
136 #define DSI_HOST_CONTROL_FIFO_RESET BIT(21)
137 #define DSI_HOST_CONTROL_CRC_RESET BIT(20)
138 #define DSI_HOST_CONTROL_TX_TRIG_SOL (0 << 12)
139 #define DSI_HOST_CONTROL_TX_TRIG_FIFO (1 << 12)
140 #define DSI_HOST_CONTROL_TX_TRIG_HOST (2 << 12)
141 #define DSI_HOST_CONTROL_RAW BIT(6)
142 #define DSI_HOST_CONTROL_HS BIT(5)
143 #define DSI_HOST_CONTROL_FIFO_SEL BIT(4)
144 #define DSI_HOST_CONTROL_IMM_BTA BIT(3)
145 #define DSI_HOST_CONTROL_PKT_BTA BIT(2)
146 #define DSI_HOST_CONTROL_CS BIT(1)
147 #define DSI_HOST_CONTROL_ECC BIT(0)
149 #define DSI_CONTROL_HS_CLK_CTRL BIT(20)
150 #define DSI_CONTROL_CHANNEL(c) (((c) & 0x3) << 16)
151 #define DSI_CONTROL_FORMAT(f) (((f) & 0x3) << 12)
152 #define DSI_CONTROL_TX_TRIG(x) (((x) & 0x3) << 8)
153 #define DSI_CONTROL_LANES(n) (((n) & 0x3) << 4)
154 #define DSI_CONTROL_DCS_ENABLE BIT(3)
155 #define DSI_CONTROL_SOURCE(s) (((s) & 0x1) << 2)
156 #define DSI_CONTROL_VIDEO_ENABLE BIT(1)
157 #define DSI_CONTROL_HOST_ENABLE BIT(0)
159 #define DSI_TRIGGER_HOST BIT(1)
160 #define DSI_TRIGGER_VIDEO BIT(0)
162 #define DSI_STATUS_IDLE BIT(10)
163 #define DSI_STATUS_UNDERFLOW BIT(9)
164 #define DSI_STATUS_OVERFLOW BIT(8)
166 #define DSI_TIMING_FIELD(value, period, hwinc) \
167 ((DIV_ROUND_CLOSEST(value, period) - (hwinc)) & 0xff)
169 #define DSI_TIMEOUT_LRX(x) (((x) & 0xffff) << 16)
170 #define DSI_TIMEOUT_HTX(x) (((x) & 0xffff) << 0)
171 #define DSI_TIMEOUT_PR(x) (((x) & 0xffff) << 16)
172 #define DSI_TIMEOUT_TA(x) (((x) & 0xffff) << 0)
174 #define DSI_TALLY_TA(x) (((x) & 0xff) << 16)
175 #define DSI_TALLY_LRX(x) (((x) & 0xff) << 8)
176 #define DSI_TALLY_HTX(x) (((x) & 0xff) << 0)
178 #define DSI_PAD_CONTROL_PAD_PULLDN_ENAB(x) (((x) & 0x1) << 28)
179 #define DSI_PAD_CONTROL_PAD_SLEWUPADJ(x) (((x) & 0x7) << 24)
180 #define DSI_PAD_CONTROL_PAD_SLEWDNADJ(x) (((x) & 0x7) << 20)
181 #define DSI_PAD_CONTROL_PAD_PREEMP_EN(x) (((x) & 0x1) << 19)
182 #define DSI_PAD_CONTROL_PAD_PDIO_CLK(x) (((x) & 0x1) << 18)
183 #define DSI_PAD_CONTROL_PAD_PDIO(x) (((x) & 0x3) << 16)
184 #define DSI_PAD_CONTROL_PAD_LPUPADJ(x) (((x) & 0x3) << 14)
185 #define DSI_PAD_CONTROL_PAD_LPDNADJ(x) (((x) & 0x3) << 12)
188 * pixel format as used in the DSI_CONTROL_FORMAT field
190 enum tegra_dsi_format {
191 TEGRA_DSI_FORMAT_16P,
192 TEGRA_DSI_FORMAT_18NP,
193 TEGRA_DSI_FORMAT_18P,
194 TEGRA_DSI_FORMAT_24P,
197 /* DSI calibration in VI region */
198 #define TEGRA_VI_BASE 0x54080000
200 #define CSI_CILA_MIPI_CAL_CONFIG_0 0x22a
201 #define MIPI_CAL_TERMOSA(x) (((x) & 0x1f) << 0)
203 #define CSI_CILB_MIPI_CAL_CONFIG_0 0x22b
204 #define MIPI_CAL_TERMOSB(x) (((x) & 0x1f) << 0)
206 #define CSI_CIL_PAD_CONFIG 0x229
207 #define PAD_CIL_PDVREG(x) (((x) & 0x01) << 1)
209 #define CSI_DSI_MIPI_CAL_CONFIG 0x234
210 #define MIPI_CAL_HSPDOSD(x) (((x) & 0x1f) << 16)
211 #define MIPI_CAL_HSPUOSD(x) (((x) & 0x1f) << 8)
213 #define CSI_MIPIBIAS_PAD_CONFIG 0x235
214 #define PAD_DRIV_DN_REF(x) (((x) & 0x7) << 16)
215 #define PAD_DRIV_UP_REF(x) (((x) & 0x7) << 8)
217 #endif /* __ASM_ARCH_TEGRA_DSI_H */