Commit cc232a9d07e7c4d2b9e217b182c857a23a672f0c

Authored by Jernej Skrabec
Committed by Simon Glass
1 parent 02a7d83301

rockchip: video: Split out HDMI controller code

Designware HDMI controller and phy are used in other SoCs as well. Split
out platform independent code.

DW HDMI has 8 bit registers but they can be represented as 32 bit
registers as well. Add support to select access mode.

EDID reading code use reading by blocks which is not supported by other
SoCs in general. Make it more general using byte by byte approach, which
is also used in Linux driver.

Finally, not all DW HDMI controllers are accompanied with DW HDMI phy.
Support custom phys by making controller code independent from phy code.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Tested-by: Nickey Yang <nickey.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

Showing 6 changed files with 1275 additions and 1191 deletions Side-by-side Diff

arch/arm/include/asm/arch-rockchip/hdmi_rk3288.h
1   -/*
2   - * Copyright (c) 2015 Google, Inc
3   - * Copyright 2014 Rockchip Inc.
4   - * Copyright (C) 2011 Freescale Semiconductor, Inc.
5   - *
6   - * SPDX-License-Identifier: GPL-2.0+
7   - */
8   -
9   -#ifndef _ASM_ARCH_HDMI_H
10   -#define _ASM_ARCH_HDMI_H
11   -
12   -
13   -#define HDMI_EDID_BLOCK_SIZE 128
14   -
15   -struct rk3288_hdmi {
16   - u32 reserved0[0x100];
17   - u32 ih_fc_stat0;
18   - u32 ih_fc_stat1;
19   - u32 ih_fc_stat2;
20   - u32 ih_as_stat0;
21   - u32 ih_phy_stat0;
22   - u32 ih_i2cm_stat0;
23   - u32 ih_cec_stat0;
24   - u32 ih_vp_stat0;
25   - u32 ih_i2cmphy_stat0;
26   - u32 ih_ahbdmaaud_stat0;
27   - u32 reserved1[0x17f-0x109];
28   - u32 ih_mute_fc_stat0;
29   - u32 ih_mute_fc_stat1;
30   - u32 ih_mute_fc_stat2;
31   - u32 ih_mute_as_stat0;
32   - u32 ih_mute_phy_stat0;
33   - u32 ih_mute_i2cm_stat0;
34   - u32 ih_mute_cec_stat0;
35   - u32 ih_mute_vp_stat0;
36   - u32 ih_mute_i2cmphy_stat0;
37   - u32 ih_mute_ahbdmaaud_stat0;
38   - u32 reserved2[0x1fe - 0x189];
39   - u32 ih_mute;
40   - u32 tx_invid0;
41   - u32 tx_instuffing;
42   - u32 tx_gydata0;
43   - u32 tx_gydata1;
44   - u32 tx_rcrdata0;
45   - u32 tx_rcrdata1;
46   - u32 tx_bcbdata0;
47   - u32 tx_bcbdata1;
48   - u32 reserved3[0x7ff-0x207];
49   - u32 vp_status;
50   - u32 vp_pr_cd;
51   - u32 vp_stuff;
52   - u32 vp_remap;
53   - u32 vp_conf;
54   - u32 vp_stat;
55   - u32 vp_int;
56   - u32 vp_mask;
57   - u32 vp_pol;
58   - u32 reserved4[0xfff-0x808];
59   - u32 fc_invidconf;
60   - u32 fc_inhactv0;
61   - u32 fc_inhactv1;
62   - u32 fc_inhblank0;
63   - u32 fc_inhblank1;
64   - u32 fc_invactv0;
65   - u32 fc_invactv1;
66   - u32 fc_invblank;
67   - u32 fc_hsyncindelay0;
68   - u32 fc_hsyncindelay1;
69   - u32 fc_hsyncinwidth0;
70   - u32 fc_hsyncinwidth1;
71   - u32 fc_vsyncindelay;
72   - u32 fc_vsyncinwidth;
73   - u32 fc_infreq0;
74   - u32 fc_infreq1;
75   - u32 fc_infreq2;
76   - u32 fc_ctrldur;
77   - u32 fc_exctrldur;
78   - u32 fc_exctrlspac;
79   - u32 fc_ch0pream;
80   - u32 fc_ch1pream;
81   - u32 fc_ch2pream;
82   - u32 fc_aviconf3;
83   - u32 fc_gcp;
84   - u32 fc_aviconf0;
85   - u32 fc_aviconf1;
86   - u32 fc_aviconf2;
87   - u32 fc_avivid;
88   - u32 fc_avietb0;
89   - u32 fc_avietb1;
90   - u32 fc_avisbb0;
91   - u32 fc_avisbb1;
92   - u32 fc_avielb0;
93   - u32 fc_avielb1;
94   - u32 fc_avisrb0;
95   - u32 fc_avisrb1;
96   - u32 fc_audiconf0;
97   - u32 fc_audiconf1;
98   - u32 fc_audiconf2;
99   - u32 fc_audiconf3;
100   - u32 fc_vsdieeeid0;
101   - u32 fc_vsdsize;
102   - u32 reserved7[0x2fff-0x102a];
103   - u32 phy_conf0;
104   - u32 phy_tst0;
105   - u32 phy_tst1;
106   - u32 phy_tst2;
107   - u32 phy_stat0;
108   - u32 phy_int0;
109   - u32 phy_mask0;
110   - u32 phy_pol0;
111   - u32 reserved8[0x301f-0x3007];
112   - u32 phy_i2cm_slave_addr;
113   - u32 phy_i2cm_address_addr;
114   - u32 phy_i2cm_datao_1_addr;
115   - u32 phy_i2cm_datao_0_addr;
116   - u32 phy_i2cm_datai_1_addr;
117   - u32 phy_i2cm_datai_0_addr;
118   - u32 phy_i2cm_operation_addr;
119   - u32 phy_i2cm_int_addr;
120   - u32 phy_i2cm_ctlint_addr;
121   - u32 phy_i2cm_div_addr;
122   - u32 phy_i2cm_softrstz_addr;
123   - u32 phy_i2cm_ss_scl_hcnt_1_addr;
124   - u32 phy_i2cm_ss_scl_hcnt_0_addr;
125   - u32 phy_i2cm_ss_scl_lcnt_1_addr;
126   - u32 phy_i2cm_ss_scl_lcnt_0_addr;
127   - u32 phy_i2cm_fs_scl_hcnt_1_addr;
128   - u32 phy_i2cm_fs_scl_hcnt_0_addr;
129   - u32 phy_i2cm_fs_scl_lcnt_1_addr;
130   - u32 phy_i2cm_fs_scl_lcnt_0_addr;
131   - u32 reserved9[0x30ff-0x3032];
132   - u32 aud_conf0;
133   - u32 aud_conf1;
134   - u32 aud_int;
135   - u32 aud_conf2;
136   - u32 aud_int1;
137   - u32 reserved32[0x31ff-0x3104];
138   - u32 aud_n1;
139   - u32 aud_n2;
140   - u32 aud_n3;
141   - u32 aud_cts1;
142   - u32 aud_cts2;
143   - u32 aud_cts3;
144   - u32 aud_inputclkfs;
145   - u32 reserved12[0x3fff-0x3206];
146   - u32 mc_sfrdiv;
147   - u32 mc_clkdis;
148   - u32 mc_swrstz;
149   - u32 mc_opctrl;
150   - u32 mc_flowctrl;
151   - u32 mc_phyrstz;
152   - u32 mc_lockonclock;
153   - u32 mc_heacphy_rst;
154   - u32 reserved13[0x40ff-0x4007];
155   - u32 csc_cfg;
156   - u32 csc_scale;
157   - struct {
158   - u32 msb;
159   - u32 lsb;
160   - } csc_coef[3][4];
161   - u32 reserved17[0x7dff-0x4119];
162   - u32 i2cm_slave;
163   - u32 i2c_address;
164   - u32 i2cm_datao;
165   - u32 i2cm_datai;
166   - u32 i2cm_operation;
167   - u32 i2cm_int;
168   - u32 i2cm_ctlint;
169   - u32 i2cm_div;
170   - u32 i2cm_segaddr;
171   - u32 i2cm_softrstz;
172   - u32 i2cm_segptr;
173   - u32 i2cm_ss_scl_hcnt_1_addr;
174   - u32 i2cm_ss_scl_hcnt_0_addr;
175   - u32 i2cm_ss_scl_lcnt_1_addr;
176   - u32 i2cm_ss_scl_lcnt_0_addr;
177   - u32 i2cm_fs_scl_hcnt_1_addr;
178   - u32 i2cm_fs_scl_hcnt_0_addr;
179   - u32 i2cm_fs_scl_lcnt_1_addr;
180   - u32 i2cm_fs_scl_lcnt_0_addr;
181   - u32 reserved18[0x7e1f-0x7e12];
182   - u32 i2cm_buf0;
183   -};
184   -check_member(rk3288_hdmi, i2cm_buf0, 0x1f880);
185   -
186   -enum {
187   - /* HDMI PHY registers define */
188   - PHY_OPMODE_PLLCFG = 0x06,
189   - PHY_CKCALCTRL = 0x05,
190   - PHY_CKSYMTXCTRL = 0x09,
191   - PHY_VLEVCTRL = 0x0e,
192   - PHY_PLLCURRCTRL = 0x10,
193   - PHY_PLLPHBYCTRL = 0x13,
194   - PHY_PLLGMPCTRL = 0x15,
195   - PHY_PLLCLKBISTPHASE = 0x17,
196   - PHY_TXTERM = 0x19,
197   -
198   - /* ih_phy_stat0 field values */
199   - HDMI_IH_PHY_STAT0_HPD = 0x1,
200   -
201   - /* ih_mute field values */
202   - HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT = 0x2,
203   - HDMI_IH_MUTE_MUTE_ALL_INTERRUPT = 0x1,
204   -
205   - /* tx_invid0 field values */
206   - HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_DISABLE = 0x00,
207   - HDMI_TX_INVID0_VIDEO_MAPPING_MASK = 0x1f,
208   - HDMI_TX_INVID0_VIDEO_MAPPING_OFFSET = 0,
209   -
210   - /* tx_instuffing field values */
211   - HDMI_TX_INSTUFFING_BDBDATA_STUFFING_ENABLE = 0x4,
212   - HDMI_TX_INSTUFFING_RCRDATA_STUFFING_ENABLE = 0x2,
213   - HDMI_TX_INSTUFFING_GYDATA_STUFFING_ENABLE = 0x1,
214   -
215   - /* vp_pr_cd field values */
216   - HDMI_VP_PR_CD_COLOR_DEPTH_MASK = 0xf0,
217   - HDMI_VP_PR_CD_COLOR_DEPTH_OFFSET = 4,
218   - HDMI_VP_PR_CD_DESIRED_PR_FACTOR_MASK = 0x0f,
219   - HDMI_VP_PR_CD_DESIRED_PR_FACTOR_OFFSET = 0,
220   -
221   - /* vp_stuff field values */
222   - HDMI_VP_STUFF_IDEFAULT_PHASE_MASK = 0x20,
223   - HDMI_VP_STUFF_IDEFAULT_PHASE_OFFSET = 5,
224   - HDMI_VP_STUFF_YCC422_STUFFING_MASK = 0x4,
225   - HDMI_VP_STUFF_YCC422_STUFFING_STUFFING_MODE = 0x4,
226   - HDMI_VP_STUFF_PP_STUFFING_MASK = 0x2,
227   - HDMI_VP_STUFF_PP_STUFFING_STUFFING_MODE = 0x2,
228   - HDMI_VP_STUFF_PR_STUFFING_MASK = 0x1,
229   - HDMI_VP_STUFF_PR_STUFFING_STUFFING_MODE = 0x1,
230   -
231   - /* vp_conf field values */
232   - HDMI_VP_CONF_BYPASS_EN_MASK = 0x40,
233   - HDMI_VP_CONF_BYPASS_EN_ENABLE = 0x40,
234   - HDMI_VP_CONF_PP_EN_ENMASK = 0x20,
235   - HDMI_VP_CONF_PP_EN_DISABLE = 0x00,
236   - HDMI_VP_CONF_PR_EN_MASK = 0x10,
237   - HDMI_VP_CONF_PR_EN_DISABLE = 0x00,
238   - HDMI_VP_CONF_YCC422_EN_MASK = 0x8,
239   - HDMI_VP_CONF_YCC422_EN_DISABLE = 0x0,
240   - HDMI_VP_CONF_BYPASS_SELECT_MASK = 0x4,
241   - HDMI_VP_CONF_BYPASS_SELECT_VID_PACKETIZER = 0x4,
242   - HDMI_VP_CONF_OUTPUT_SELECTOR_MASK = 0x3,
243   - HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS = 0x3,
244   -
245   - /* vp_remap field values */
246   - HDMI_VP_REMAP_YCC422_16BIT = 0x0,
247   -
248   - /* fc_invidconf field values */
249   - HDMI_FC_INVIDCONF_HDCP_KEEPOUT_MASK = 0x80,
250   - HDMI_FC_INVIDCONF_HDCP_KEEPOUT_ACTIVE = 0x80,
251   - HDMI_FC_INVIDCONF_HDCP_KEEPOUT_INACTIVE = 0x00,
252   - HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_MASK = 0x40,
253   - HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_HIGH = 0x40,
254   - HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_LOW = 0x00,
255   - HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_MASK = 0x20,
256   - HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_HIGH = 0x20,
257   - HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_LOW = 0x00,
258   - HDMI_FC_INVIDCONF_DE_IN_POLARITY_MASK = 0x10,
259   - HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_HIGH = 0x10,
260   - HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_LOW = 0x00,
261   - HDMI_FC_INVIDCONF_DVI_MODEZ_MASK = 0x8,
262   - HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE = 0x8,
263   - HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE = 0x0,
264   - HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_MASK = 0x2,
265   - HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_HIGH = 0x2,
266   - HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_LOW = 0x0,
267   - HDMI_FC_INVIDCONF_IN_I_P_MASK = 0x1,
268   - HDMI_FC_INVIDCONF_IN_I_P_INTERLACED = 0x1,
269   - HDMI_FC_INVIDCONF_IN_I_P_PROGRESSIVE = 0x0,
270   -
271   -
272   - /* fc_aviconf0-fc_aviconf3 field values */
273   - HDMI_FC_AVICONF0_PIX_FMT_MASK = 0x03,
274   - HDMI_FC_AVICONF0_PIX_FMT_RGB = 0x00,
275   - HDMI_FC_AVICONF0_PIX_FMT_YCBCR422 = 0x01,
276   - HDMI_FC_AVICONF0_PIX_FMT_YCBCR444 = 0x02,
277   - HDMI_FC_AVICONF0_ACTIVE_FMT_MASK = 0x40,
278   - HDMI_FC_AVICONF0_ACTIVE_FMT_INFO_PRESENT = 0x40,
279   - HDMI_FC_AVICONF0_ACTIVE_FMT_NO_INFO = 0x00,
280   - HDMI_FC_AVICONF0_BAR_DATA_MASK = 0x0c,
281   - HDMI_FC_AVICONF0_BAR_DATA_NO_DATA = 0x00,
282   - HDMI_FC_AVICONF0_BAR_DATA_VERT_BAR = 0x04,
283   - HDMI_FC_AVICONF0_BAR_DATA_HORIZ_BAR = 0x08,
284   - HDMI_FC_AVICONF0_BAR_DATA_VERT_HORIZ_BAR = 0x0c,
285   - HDMI_FC_AVICONF0_SCAN_INFO_MASK = 0x30,
286   - HDMI_FC_AVICONF0_SCAN_INFO_OVERSCAN = 0x10,
287   - HDMI_FC_AVICONF0_SCAN_INFO_UNDERSCAN = 0x20,
288   - HDMI_FC_AVICONF0_SCAN_INFO_NODATA = 0x00,
289   -
290   - HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_MASK = 0x0f,
291   - HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_USE_CODED = 0x08,
292   - HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_4_3 = 0x09,
293   - HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_16_9 = 0x0a,
294   - HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_14_9 = 0x0b,
295   - HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_MASK = 0x30,
296   - HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_NO_DATA = 0x00,
297   - HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_4_3 = 0x10,
298   - HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_16_9 = 0x20,
299   - HDMI_FC_AVICONF1_COLORIMETRY_MASK = 0xc0,
300   - HDMI_FC_AVICONF1_COLORIMETRY_NO_DATA = 0x00,
301   - HDMI_FC_AVICONF1_COLORIMETRY_SMPTE = 0x40,
302   - HDMI_FC_AVICONF1_COLORIMETRY_ITUR = 0x80,
303   - HDMI_FC_AVICONF1_COLORIMETRY_EXTENDED_INFO = 0xc0,
304   -
305   - HDMI_FC_AVICONF2_SCALING_MASK = 0x03,
306   - HDMI_FC_AVICONF2_SCALING_NONE = 0x00,
307   - HDMI_FC_AVICONF2_SCALING_HORIZ = 0x01,
308   - HDMI_FC_AVICONF2_SCALING_VERT = 0x02,
309   - HDMI_FC_AVICONF2_SCALING_HORIZ_vert = 0x03,
310   - HDMI_FC_AVICONF2_RGB_QUANT_MASK = 0x0c,
311   - HDMI_FC_AVICONF2_RGB_QUANT_DEFAULT = 0x00,
312   - HDMI_FC_AVICONF2_RGB_QUANT_LIMITED_RANGE = 0x04,
313   - HDMI_FC_AVICONF2_RGB_QUANT_FULL_RANGE = 0x08,
314   - HDMI_FC_AVICONF2_EXT_COLORIMETRY_MASK = 0x70,
315   - HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601 = 0x00,
316   - HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC709 = 0x10,
317   - HDMI_FC_AVICONF2_EXT_COLORIMETRY_SYCC601 = 0x20,
318   - HDMI_FC_AVICONF2_EXT_COLORIMETRY_ADOBE_YCC601 = 0x30,
319   - HDMI_FC_AVICONF2_EXT_COLORIMETRY_ADOBE_RGB = 0x40,
320   - HDMI_FC_AVICONF2_IT_CONTENT_MASK = 0x80,
321   - HDMI_FC_AVICONF2_IT_CONTENT_NO_DATA = 0x00,
322   - HDMI_FC_AVICONF2_IT_CONTENT_VALID = 0x80,
323   -
324   - HDMI_FC_AVICONF3_IT_CONTENT_TYPE_MASK = 0x03,
325   - HDMI_FC_AVICONF3_IT_CONTENT_TYPE_GRAPHICS = 0x00,
326   - HDMI_FC_AVICONF3_IT_CONTENT_TYPE_PHOTO = 0x01,
327   - HDMI_FC_AVICONF3_IT_CONTENT_TYPE_CINEMA = 0x02,
328   - HDMI_FC_AVICONF3_IT_CONTENT_TYPE_GAME = 0x03,
329   - HDMI_FC_AVICONF3_QUANT_RANGE_MASK = 0x0c,
330   - HDMI_FC_AVICONF3_QUANT_RANGE_LIMITED = 0x00,
331   - HDMI_FC_AVICONF3_QUANT_RANGE_FULL = 0x04,
332   -
333   - /* fc_gcp field values*/
334   - HDMI_FC_GCP_SET_AVMUTE = 0x02,
335   - HDMI_FC_GCP_CLEAR_AVMUTE = 0x01,
336   -
337   - /* phy_conf0 field values */
338   - HDMI_PHY_CONF0_PDZ_MASK = 0x80,
339   - HDMI_PHY_CONF0_PDZ_OFFSET = 7,
340   - HDMI_PHY_CONF0_ENTMDS_MASK = 0x40,
341   - HDMI_PHY_CONF0_ENTMDS_OFFSET = 6,
342   - HDMI_PHY_CONF0_SPARECTRL_MASK = 0x20,
343   - HDMI_PHY_CONF0_SPARECTRL_OFFSET = 5,
344   - HDMI_PHY_CONF0_GEN2_PDDQ_MASK = 0x10,
345   - HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET = 4,
346   - HDMI_PHY_CONF0_GEN2_TXPWRON_MASK = 0x8,
347   - HDMI_PHY_CONF0_GEN2_TXPWRON_OFFSET = 3,
348   - HDMI_PHY_CONF0_SELDATAENPOL_MASK = 0x2,
349   - HDMI_PHY_CONF0_SELDATAENPOL_OFFSET = 1,
350   - HDMI_PHY_CONF0_SELDIPIF_MASK = 0x1,
351   - HDMI_PHY_CONF0_SELDIPIF_OFFSET = 0,
352   -
353   - /* phy_tst0 field values */
354   - HDMI_PHY_TST0_TSTCLR_MASK = 0x20,
355   - HDMI_PHY_TST0_TSTCLR_OFFSET = 5,
356   -
357   - /* phy_stat0 field values */
358   - HDMI_PHY_HPD = 0x02,
359   - HDMI_PHY_TX_PHY_LOCK = 0x01,
360   -
361   - /* phy_i2cm_slave_addr field values */
362   - HDMI_PHY_I2CM_SLAVE_ADDR_PHY_GEN2 = 0x69,
363   -
364   - /* phy_i2cm_operation_addr field values */
365   - HDMI_PHY_I2CM_OPERATION_ADDR_WRITE = 0x10,
366   -
367   - /* hdmi_phy_i2cm_int_addr */
368   - HDMI_PHY_I2CM_INT_ADDR_DONE_POL = 0x08,
369   -
370   - /* hdmi_phy_i2cm_ctlint_addr */
371   - HDMI_PHY_I2CM_CTLINT_ADDR_NAC_POL = 0x80,
372   - HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL = 0x08,
373   -
374   - /* aud_conf0 field values */
375   - HDMI_AUD_CONF0_SW_AUDIO_FIFO_RST = 0x80,
376   - HDMI_AUD_CONF0_I2S_SELECT = 0x20,
377   - HDMI_AUD_CONF0_I2S_IN_EN_0 = 0x01,
378   - HDMI_AUD_CONF0_I2S_IN_EN_1 = 0x02,
379   - HDMI_AUD_CONF0_I2S_IN_EN_2 = 0x04,
380   - HDMI_AUD_CONF0_I2S_IN_EN_3 = 0x08,
381   -
382   - /* aud_conf0 field values */
383   - HDMI_AUD_CONF1_I2S_MODE_STANDARD_MODE = 0x0,
384   - HDMI_AUD_CONF1_I2S_WIDTH_16BIT = 0x10,
385   -
386   - /* aud_n3 field values */
387   - HDMI_AUD_N3_NCTS_ATOMIC_WRITE = 0x80,
388   - HDMI_AUD_N3_AUDN19_16_MASK = 0x0f,
389   -
390   - /* aud_cts3 field values */
391   - HDMI_AUD_CTS3_N_SHIFT_OFFSET = 5,
392   - HDMI_AUD_CTS3_N_SHIFT_MASK = 0xe0,
393   - HDMI_AUD_CTS3_N_SHIFT_1 = 0,
394   - HDMI_AUD_CTS3_N_SHIFT_16 = 0x20,
395   - HDMI_AUD_CTS3_N_SHIFT_32 = 0x40,
396   - HDMI_AUD_CTS3_N_SHIFT_64 = 0x60,
397   - HDMI_AUD_CTS3_N_SHIFT_128 = 0x80,
398   - HDMI_AUD_CTS3_N_SHIFT_256 = 0xa0,
399   - HDMI_AUD_CTS3_CTS_MANUAL = 0x10,
400   - HDMI_AUD_CTS3_AUDCTS19_16_MASK = 0x0f,
401   -
402   - /* aud_inputclkfs filed values */
403   - HDMI_AUD_INPUTCLKFS_128 = 0x0,
404   -
405   - /* mc_clkdis field values */
406   - HDMI_MC_CLKDIS_AUDCLK_DISABLE = 0x8,
407   - HDMI_MC_CLKDIS_TMDSCLK_DISABLE = 0x2,
408   - HDMI_MC_CLKDIS_PIXELCLK_DISABLE = 0x1,
409   -
410   - /* mc_swrstz field values */
411   - HDMI_MC_SWRSTZ_II2SSWRST_REQ = 0x08,
412   - HDMI_MC_SWRSTZ_TMDSSWRST_REQ = 0x02,
413   -
414   - /* mc_flowctrl field values */
415   - HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH = 0x1,
416   - HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS = 0x0,
417   -
418   - /* mc_phyrstz field values */
419   - HDMI_MC_PHYRSTZ_ASSERT = 0x0,
420   - HDMI_MC_PHYRSTZ_DEASSERT = 0x1,
421   -
422   - /* mc_heacphy_rst field values */
423   - HDMI_MC_HEACPHY_RST_ASSERT = 0x1,
424   -
425   - /* csc_cfg field values */
426   - HDMI_CSC_CFG_INTMODE_DISABLE = 0x00,
427   -
428   - /* csc_scale field values */
429   - HDMI_CSC_SCALE_CSC_COLORDE_PTH_MASK = 0xf0,
430   - HDMI_CSC_SCALE_CSC_COLORDE_PTH_24BPP = 0x00,
431   - HDMI_CSC_SCALE_CSC_COLORDE_PTH_30BPP = 0x50,
432   - HDMI_CSC_SCALE_CSC_COLORDE_PTH_36BPP = 0x60,
433   - HDMI_CSC_SCALE_CSC_COLORDE_PTH_48BPP = 0x70,
434   - HDMI_CSC_SCALE_CSCSCALE_MASK = 0x03,
435   -
436   - /* i2cm filed values */
437   - HDMI_I2CM_SLAVE_DDC_ADDR = 0x50,
438   - HDMI_I2CM_SEGADDR_DDC = 0x30,
439   - HDMI_I2CM_OPT_RD8_EXT = 0x8,
440   - HDMI_I2CM_OPT_RD8 = 0x4,
441   - HDMI_I2CM_DIV_FAST_STD_MODE = 0x8,
442   - HDMI_I2CM_DIV_FAST_MODE = 0x8,
443   - HDMI_I2CM_DIV_STD_MODE = 0x0,
444   - HDMI_I2CM_SOFTRSTZ = 0x1,
445   -};
446   -
447   -/*
448   -struct display_timing;
449   -struct rk3288_grf;
450   -
451   -int rk_hdmi_init(struct rk3288_grf *grf, u32 vop_id);
452   -int rk_hdmi_enable(const struct display_timing *edid);
453   -int rk_hdmi_get_edid(struct rk3288_grf *grf, struct display_timing *edid);
454   -*/
455   -
456   -#endif
drivers/video/dw_hdmi.c
  1 +/*
  2 + * Copyright (c) 2015 Google, Inc
  3 + * Copyright 2014 Rockchip Inc.
  4 + * Copyright 2017 Jernej Skrabec <jernej.skrabec@siol.net>
  5 + *
  6 + * SPDX-License-Identifier: GPL-2.0+
  7 + */
  8 +
  9 +#include <common.h>
  10 +#include <fdtdec.h>
  11 +#include <asm/io.h>
  12 +#include "dw_hdmi.h"
  13 +
  14 +struct tmds_n_cts {
  15 + u32 tmds;
  16 + u32 cts;
  17 + u32 n;
  18 +};
  19 +
  20 +static const struct tmds_n_cts n_cts_table[] = {
  21 + {
  22 + .tmds = 25175000, .n = 6144, .cts = 25175,
  23 + }, {
  24 + .tmds = 25200000, .n = 6144, .cts = 25200,
  25 + }, {
  26 + .tmds = 27000000, .n = 6144, .cts = 27000,
  27 + }, {
  28 + .tmds = 27027000, .n = 6144, .cts = 27027,
  29 + }, {
  30 + .tmds = 40000000, .n = 6144, .cts = 40000,
  31 + }, {
  32 + .tmds = 54000000, .n = 6144, .cts = 54000,
  33 + }, {
  34 + .tmds = 54054000, .n = 6144, .cts = 54054,
  35 + }, {
  36 + .tmds = 65000000, .n = 6144, .cts = 65000,
  37 + }, {
  38 + .tmds = 74176000, .n = 11648, .cts = 140625,
  39 + }, {
  40 + .tmds = 74250000, .n = 6144, .cts = 74250,
  41 + }, {
  42 + .tmds = 83500000, .n = 6144, .cts = 83500,
  43 + }, {
  44 + .tmds = 106500000, .n = 6144, .cts = 106500,
  45 + }, {
  46 + .tmds = 108000000, .n = 6144, .cts = 108000,
  47 + }, {
  48 + .tmds = 148352000, .n = 5824, .cts = 140625,
  49 + }, {
  50 + .tmds = 148500000, .n = 6144, .cts = 148500,
  51 + }, {
  52 + .tmds = 297000000, .n = 5120, .cts = 247500,
  53 + }
  54 +};
  55 +
  56 +static void hdmi_write(struct dw_hdmi *hdmi, u8 val, int offset)
  57 +{
  58 + switch (hdmi->reg_io_width) {
  59 + case 1:
  60 + writeb(val, hdmi->ioaddr + offset);
  61 + break;
  62 + case 4:
  63 + writel(val, hdmi->ioaddr + (offset << 2));
  64 + break;
  65 + default:
  66 + debug("reg_io_width has unsupported width!\n");
  67 + break;
  68 + }
  69 +}
  70 +
  71 +static u8 hdmi_read(struct dw_hdmi *hdmi, int offset)
  72 +{
  73 + switch (hdmi->reg_io_width) {
  74 + case 1:
  75 + return readb(hdmi->ioaddr + offset);
  76 + case 4:
  77 + return readl(hdmi->ioaddr + (offset << 2));
  78 + default:
  79 + debug("reg_io_width has unsupported width!\n");
  80 + break;
  81 + }
  82 +
  83 + return 0;
  84 +}
  85 +
  86 +static void hdmi_mod(struct dw_hdmi *hdmi, unsigned reg, u8 mask, u8 data)
  87 +{
  88 + u8 val = hdmi_read(hdmi, reg) & ~mask;
  89 +
  90 + val |= data & mask;
  91 + hdmi_write(hdmi, val, reg);
  92 +}
  93 +
  94 +static void hdmi_set_clock_regenerator(struct dw_hdmi *hdmi, u32 n, u32 cts)
  95 +{
  96 + uint cts3;
  97 + uint n3;
  98 +
  99 + /* first set ncts_atomic_write (if present) */
  100 + n3 = HDMI_AUD_N3_NCTS_ATOMIC_WRITE;
  101 + hdmi_write(hdmi, n3, HDMI_AUD_N3);
  102 +
  103 + /* set cts_manual (if present) */
  104 + cts3 = HDMI_AUD_CTS3_CTS_MANUAL;
  105 +
  106 + cts3 |= HDMI_AUD_CTS3_N_SHIFT_1 << HDMI_AUD_CTS3_N_SHIFT_OFFSET;
  107 + cts3 |= (cts >> 16) & HDMI_AUD_CTS3_AUDCTS19_16_MASK;
  108 +
  109 + /* write cts values; cts3 must be written first */
  110 + hdmi_write(hdmi, cts3, HDMI_AUD_CTS3);
  111 + hdmi_write(hdmi, (cts >> 8) & 0xff, HDMI_AUD_CTS2);
  112 + hdmi_write(hdmi, cts & 0xff, HDMI_AUD_CTS1);
  113 +
  114 + /* write n values; n1 must be written last */
  115 + n3 |= (n >> 16) & HDMI_AUD_N3_AUDN19_16_MASK;
  116 + hdmi_write(hdmi, n3, HDMI_AUD_N3);
  117 + hdmi_write(hdmi, (n >> 8) & 0xff, HDMI_AUD_N2);
  118 + hdmi_write(hdmi, n & 0xff, HDMI_AUD_N3);
  119 +
  120 + hdmi_write(hdmi, HDMI_AUD_INPUTCLKFS_128, HDMI_AUD_INPUTCLKFS);
  121 +}
  122 +
  123 +static int hdmi_lookup_n_cts(u32 pixel_clk)
  124 +{
  125 + int i;
  126 +
  127 + for (i = 0; i < ARRAY_SIZE(n_cts_table); i++)
  128 + if (pixel_clk <= n_cts_table[i].tmds)
  129 + break;
  130 +
  131 + if (i >= ARRAY_SIZE(n_cts_table))
  132 + return -1;
  133 +
  134 + return i;
  135 +}
  136 +
  137 +static void hdmi_audio_set_samplerate(struct dw_hdmi *hdmi, u32 pixel_clk)
  138 +{
  139 + u32 clk_n, clk_cts;
  140 + int index;
  141 +
  142 + index = hdmi_lookup_n_cts(pixel_clk);
  143 + if (index == -1) {
  144 + debug("audio not supported for pixel clk %d\n", pixel_clk);
  145 + return;
  146 + }
  147 +
  148 + clk_n = n_cts_table[index].n;
  149 + clk_cts = n_cts_table[index].cts;
  150 + hdmi_set_clock_regenerator(hdmi, clk_n, clk_cts);
  151 +}
  152 +
  153 +/*
  154 + * this submodule is responsible for the video data synchronization.
  155 + * for example, for rgb 4:4:4 input, the data map is defined as
  156 + * pin{47~40} <==> r[7:0]
  157 + * pin{31~24} <==> g[7:0]
  158 + * pin{15~8} <==> b[7:0]
  159 + */
  160 +static void hdmi_video_sample(struct dw_hdmi *hdmi)
  161 +{
  162 + u32 color_format = 0x01;
  163 + uint val;
  164 +
  165 + val = HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_DISABLE |
  166 + ((color_format << HDMI_TX_INVID0_VIDEO_MAPPING_OFFSET) &
  167 + HDMI_TX_INVID0_VIDEO_MAPPING_MASK);
  168 +
  169 + hdmi_write(hdmi, val, HDMI_TX_INVID0);
  170 +
  171 + /* enable tx stuffing: when de is inactive, fix the output data to 0 */
  172 + val = HDMI_TX_INSTUFFING_BDBDATA_STUFFING_ENABLE |
  173 + HDMI_TX_INSTUFFING_RCRDATA_STUFFING_ENABLE |
  174 + HDMI_TX_INSTUFFING_GYDATA_STUFFING_ENABLE;
  175 + hdmi_write(hdmi, val, HDMI_TX_INSTUFFING);
  176 + hdmi_write(hdmi, 0x0, HDMI_TX_GYDATA0);
  177 + hdmi_write(hdmi, 0x0, HDMI_TX_GYDATA1);
  178 + hdmi_write(hdmi, 0x0, HDMI_TX_RCRDATA0);
  179 + hdmi_write(hdmi, 0x0, HDMI_TX_RCRDATA1);
  180 + hdmi_write(hdmi, 0x0, HDMI_TX_BCBDATA0);
  181 + hdmi_write(hdmi, 0x0, HDMI_TX_BCBDATA1);
  182 +}
  183 +
  184 +static void hdmi_video_packetize(struct dw_hdmi *hdmi)
  185 +{
  186 + u32 output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS;
  187 + u32 remap_size = HDMI_VP_REMAP_YCC422_16BIT;
  188 + u32 color_depth = 0;
  189 + uint val, vp_conf;
  190 +
  191 + /* set the packetizer registers */
  192 + val = ((color_depth << HDMI_VP_PR_CD_COLOR_DEPTH_OFFSET) &
  193 + HDMI_VP_PR_CD_COLOR_DEPTH_MASK) |
  194 + ((0 << HDMI_VP_PR_CD_DESIRED_PR_FACTOR_OFFSET) &
  195 + HDMI_VP_PR_CD_DESIRED_PR_FACTOR_MASK);
  196 + hdmi_write(hdmi, val, HDMI_VP_PR_CD);
  197 +
  198 + hdmi_mod(hdmi, HDMI_VP_STUFF, HDMI_VP_STUFF_PR_STUFFING_MASK,
  199 + HDMI_VP_STUFF_PR_STUFFING_STUFFING_MODE);
  200 +
  201 + /* data from pixel repeater block */
  202 + vp_conf = HDMI_VP_CONF_PR_EN_DISABLE |
  203 + HDMI_VP_CONF_BYPASS_SELECT_VID_PACKETIZER;
  204 +
  205 + hdmi_mod(hdmi, HDMI_VP_CONF, HDMI_VP_CONF_PR_EN_MASK |
  206 + HDMI_VP_CONF_BYPASS_SELECT_MASK, vp_conf);
  207 +
  208 + hdmi_mod(hdmi, HDMI_VP_STUFF, HDMI_VP_STUFF_IDEFAULT_PHASE_MASK,
  209 + 1 << HDMI_VP_STUFF_IDEFAULT_PHASE_OFFSET);
  210 +
  211 + hdmi_write(hdmi, remap_size, HDMI_VP_REMAP);
  212 +
  213 + vp_conf = HDMI_VP_CONF_BYPASS_EN_ENABLE |
  214 + HDMI_VP_CONF_PP_EN_DISABLE |
  215 + HDMI_VP_CONF_YCC422_EN_DISABLE;
  216 +
  217 + hdmi_mod(hdmi, HDMI_VP_CONF, HDMI_VP_CONF_BYPASS_EN_MASK |
  218 + HDMI_VP_CONF_PP_EN_ENMASK | HDMI_VP_CONF_YCC422_EN_MASK,
  219 + vp_conf);
  220 +
  221 + hdmi_mod(hdmi, HDMI_VP_STUFF, HDMI_VP_STUFF_PP_STUFFING_MASK |
  222 + HDMI_VP_STUFF_YCC422_STUFFING_MASK,
  223 + HDMI_VP_STUFF_PP_STUFFING_STUFFING_MODE |
  224 + HDMI_VP_STUFF_YCC422_STUFFING_STUFFING_MODE);
  225 +
  226 + hdmi_mod(hdmi, HDMI_VP_CONF, HDMI_VP_CONF_OUTPUT_SELECTOR_MASK,
  227 + output_select);
  228 +}
  229 +
  230 +static inline void hdmi_phy_test_clear(struct dw_hdmi *hdmi, uint bit)
  231 +{
  232 + hdmi_mod(hdmi, HDMI_PHY_TST0, HDMI_PHY_TST0_TSTCLR_MASK,
  233 + bit << HDMI_PHY_TST0_TSTCLR_OFFSET);
  234 +}
  235 +
  236 +static int hdmi_phy_wait_i2c_done(struct dw_hdmi *hdmi, u32 msec)
  237 +{
  238 + ulong start;
  239 + u32 val;
  240 +
  241 + start = get_timer(0);
  242 + do {
  243 + val = hdmi_read(hdmi, HDMI_IH_I2CMPHY_STAT0);
  244 + if (val & 0x3) {
  245 + hdmi_write(hdmi, val, HDMI_IH_I2CMPHY_STAT0);
  246 + return 0;
  247 + }
  248 +
  249 + udelay(100);
  250 + } while (get_timer(start) < msec);
  251 +
  252 + return 1;
  253 +}
  254 +
  255 +static void hdmi_phy_i2c_write(struct dw_hdmi *hdmi, uint data, uint addr)
  256 +{
  257 + hdmi_write(hdmi, 0xff, HDMI_IH_I2CMPHY_STAT0);
  258 + hdmi_write(hdmi, addr, HDMI_PHY_I2CM_ADDRESS_ADDR);
  259 + hdmi_write(hdmi, (u8)(data >> 8), HDMI_PHY_I2CM_DATAO_1_ADDR);
  260 + hdmi_write(hdmi, (u8)(data >> 0), HDMI_PHY_I2CM_DATAO_0_ADDR);
  261 + hdmi_write(hdmi, HDMI_PHY_I2CM_OPERATION_ADDR_WRITE,
  262 + HDMI_PHY_I2CM_OPERATION_ADDR);
  263 +
  264 + hdmi_phy_wait_i2c_done(hdmi, 1000);
  265 +}
  266 +
  267 +static void hdmi_phy_enable_power(struct dw_hdmi *hdmi, uint enable)
  268 +{
  269 + hdmi_mod(hdmi, HDMI_PHY_CONF0, HDMI_PHY_CONF0_PDZ_MASK,
  270 + enable << HDMI_PHY_CONF0_PDZ_OFFSET);
  271 +}
  272 +
  273 +static void hdmi_phy_enable_tmds(struct dw_hdmi *hdmi, uint enable)
  274 +{
  275 + hdmi_mod(hdmi, HDMI_PHY_CONF0, HDMI_PHY_CONF0_ENTMDS_MASK,
  276 + enable << HDMI_PHY_CONF0_ENTMDS_OFFSET);
  277 +}
  278 +
  279 +static void hdmi_phy_enable_spare(struct dw_hdmi *hdmi, uint enable)
  280 +{
  281 + hdmi_mod(hdmi, HDMI_PHY_CONF0, HDMI_PHY_CONF0_SPARECTRL_MASK,
  282 + enable << HDMI_PHY_CONF0_SPARECTRL_OFFSET);
  283 +}
  284 +
  285 +static void hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, uint enable)
  286 +{
  287 + hdmi_mod(hdmi, HDMI_PHY_CONF0, HDMI_PHY_CONF0_GEN2_PDDQ_MASK,
  288 + enable << HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET);
  289 +}
  290 +
  291 +static void hdmi_phy_gen2_txpwron(struct dw_hdmi *hdmi, uint enable)
  292 +{
  293 + hdmi_mod(hdmi, HDMI_PHY_CONF0,
  294 + HDMI_PHY_CONF0_GEN2_TXPWRON_MASK,
  295 + enable << HDMI_PHY_CONF0_GEN2_TXPWRON_OFFSET);
  296 +}
  297 +
  298 +static void hdmi_phy_sel_data_en_pol(struct dw_hdmi *hdmi, uint enable)
  299 +{
  300 + hdmi_mod(hdmi, HDMI_PHY_CONF0,
  301 + HDMI_PHY_CONF0_SELDATAENPOL_MASK,
  302 + enable << HDMI_PHY_CONF0_SELDATAENPOL_OFFSET);
  303 +}
  304 +
  305 +static void hdmi_phy_sel_interface_control(struct dw_hdmi *hdmi,
  306 + uint enable)
  307 +{
  308 + hdmi_mod(hdmi, HDMI_PHY_CONF0, HDMI_PHY_CONF0_SELDIPIF_MASK,
  309 + enable << HDMI_PHY_CONF0_SELDIPIF_OFFSET);
  310 +}
  311 +
  312 +static int hdmi_phy_configure(struct dw_hdmi *hdmi, u32 mpixelclock)
  313 +{
  314 + ulong start;
  315 + uint i, val;
  316 +
  317 + if (!hdmi->mpll_cfg || !hdmi->phy_cfg)
  318 + return -1;
  319 +
  320 + /* gen2 tx power off */
  321 + hdmi_phy_gen2_txpwron(hdmi, 0);
  322 +
  323 + /* gen2 pddq */
  324 + hdmi_phy_gen2_pddq(hdmi, 1);
  325 +
  326 + /* phy reset */
  327 + hdmi_write(hdmi, HDMI_MC_PHYRSTZ_DEASSERT, HDMI_MC_PHYRSTZ);
  328 + hdmi_write(hdmi, HDMI_MC_PHYRSTZ_ASSERT, HDMI_MC_PHYRSTZ);
  329 + hdmi_write(hdmi, HDMI_MC_HEACPHY_RST_ASSERT, HDMI_MC_HEACPHY_RST);
  330 +
  331 + hdmi_phy_test_clear(hdmi, 1);
  332 + hdmi_write(hdmi, HDMI_PHY_I2CM_SLAVE_ADDR_PHY_GEN2,
  333 + HDMI_PHY_I2CM_SLAVE_ADDR);
  334 + hdmi_phy_test_clear(hdmi, 0);
  335 +
  336 + /* pll/mpll cfg - always match on final entry */
  337 + for (i = 0; hdmi->mpll_cfg[i].mpixelclock != (~0ul); i++)
  338 + if (mpixelclock <= hdmi->mpll_cfg[i].mpixelclock)
  339 + break;
  340 +
  341 + hdmi_phy_i2c_write(hdmi, hdmi->mpll_cfg[i].cpce, PHY_OPMODE_PLLCFG);
  342 + hdmi_phy_i2c_write(hdmi, hdmi->mpll_cfg[i].gmp, PHY_PLLGMPCTRL);
  343 + hdmi_phy_i2c_write(hdmi, hdmi->mpll_cfg[i].curr, PHY_PLLCURRCTRL);
  344 +
  345 + hdmi_phy_i2c_write(hdmi, 0x0000, PHY_PLLPHBYCTRL);
  346 + hdmi_phy_i2c_write(hdmi, 0x0006, PHY_PLLCLKBISTPHASE);
  347 +
  348 + for (i = 0; hdmi->phy_cfg[i].mpixelclock != (~0ul); i++)
  349 + if (mpixelclock <= hdmi->phy_cfg[i].mpixelclock)
  350 + break;
  351 +
  352 + /*
  353 + * resistance term 133ohm cfg
  354 + * preemp cgf 0.00
  355 + * tx/ck lvl 10
  356 + */
  357 + hdmi_phy_i2c_write(hdmi, hdmi->phy_cfg[i].term, PHY_TXTERM);
  358 + hdmi_phy_i2c_write(hdmi, hdmi->phy_cfg[i].sym_ctr, PHY_CKSYMTXCTRL);
  359 + hdmi_phy_i2c_write(hdmi, hdmi->phy_cfg[i].vlev_ctr, PHY_VLEVCTRL);
  360 +
  361 + /* remove clk term */
  362 + hdmi_phy_i2c_write(hdmi, 0x8000, PHY_CKCALCTRL);
  363 +
  364 + hdmi_phy_enable_power(hdmi, 1);
  365 +
  366 + /* toggle tmds enable */
  367 + hdmi_phy_enable_tmds(hdmi, 0);
  368 + hdmi_phy_enable_tmds(hdmi, 1);
  369 +
  370 + /* gen2 tx power on */
  371 + hdmi_phy_gen2_txpwron(hdmi, 1);
  372 + hdmi_phy_gen2_pddq(hdmi, 0);
  373 +
  374 + hdmi_phy_enable_spare(hdmi, 1);
  375 +
  376 + /* wait for phy pll lock */
  377 + start = get_timer(0);
  378 + do {
  379 + val = hdmi_read(hdmi, HDMI_PHY_STAT0);
  380 + if (!(val & HDMI_PHY_TX_PHY_LOCK))
  381 + return 0;
  382 +
  383 + udelay(100);
  384 + } while (get_timer(start) < 5);
  385 +
  386 + return -1;
  387 +}
  388 +
  389 +static void hdmi_av_composer(struct dw_hdmi *hdmi,
  390 + const struct display_timing *edid)
  391 +{
  392 + bool mdataenablepolarity = true;
  393 + uint inv_val;
  394 + uint hbl;
  395 + uint vbl;
  396 +
  397 + hbl = edid->hback_porch.typ + edid->hfront_porch.typ +
  398 + edid->hsync_len.typ;
  399 + vbl = edid->vback_porch.typ + edid->vfront_porch.typ +
  400 + edid->vsync_len.typ;
  401 +
  402 + /* set up hdmi_fc_invidconf */
  403 + inv_val = HDMI_FC_INVIDCONF_HDCP_KEEPOUT_INACTIVE;
  404 +
  405 + inv_val |= (edid->flags & DISPLAY_FLAGS_HSYNC_HIGH ?
  406 + HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_HIGH :
  407 + HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_LOW);
  408 +
  409 + inv_val |= (edid->flags & DISPLAY_FLAGS_VSYNC_HIGH ?
  410 + HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_HIGH :
  411 + HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_LOW);
  412 +
  413 + inv_val |= (mdataenablepolarity ?
  414 + HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_HIGH :
  415 + HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_LOW);
  416 +
  417 + /*
  418 + * TODO(sjg@chromium.org>: Need to check for HDMI / DVI
  419 + * inv_val |= (edid->hdmi_monitor_detected ?
  420 + * HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE :
  421 + * HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE);
  422 + */
  423 + inv_val |= HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE;
  424 +
  425 + inv_val |= HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_LOW;
  426 +
  427 + inv_val |= HDMI_FC_INVIDCONF_IN_I_P_PROGRESSIVE;
  428 +
  429 + hdmi_write(hdmi, inv_val, HDMI_FC_INVIDCONF);
  430 +
  431 + /* set up horizontal active pixel width */
  432 + hdmi_write(hdmi, edid->hactive.typ >> 8, HDMI_FC_INHACTV1);
  433 + hdmi_write(hdmi, edid->hactive.typ, HDMI_FC_INHACTV0);
  434 +
  435 + /* set up vertical active lines */
  436 + hdmi_write(hdmi, edid->vactive.typ >> 8, HDMI_FC_INVACTV1);
  437 + hdmi_write(hdmi, edid->vactive.typ, HDMI_FC_INVACTV0);
  438 +
  439 + /* set up horizontal blanking pixel region width */
  440 + hdmi_write(hdmi, hbl >> 8, HDMI_FC_INHBLANK1);
  441 + hdmi_write(hdmi, hbl, HDMI_FC_INHBLANK0);
  442 +
  443 + /* set up vertical blanking pixel region width */
  444 + hdmi_write(hdmi, vbl, HDMI_FC_INVBLANK);
  445 +
  446 + /* set up hsync active edge delay width (in pixel clks) */
  447 + hdmi_write(hdmi, edid->hfront_porch.typ >> 8, HDMI_FC_HSYNCINDELAY1);
  448 + hdmi_write(hdmi, edid->hfront_porch.typ, HDMI_FC_HSYNCINDELAY0);
  449 +
  450 + /* set up vsync active edge delay (in lines) */
  451 + hdmi_write(hdmi, edid->vfront_porch.typ, HDMI_FC_VSYNCINDELAY);
  452 +
  453 + /* set up hsync active pulse width (in pixel clks) */
  454 + hdmi_write(hdmi, edid->hsync_len.typ >> 8, HDMI_FC_HSYNCINWIDTH1);
  455 + hdmi_write(hdmi, edid->hsync_len.typ, HDMI_FC_HSYNCINWIDTH0);
  456 +
  457 + /* set up vsync active edge delay (in lines) */
  458 + hdmi_write(hdmi, edid->vsync_len.typ, HDMI_FC_VSYNCINWIDTH);
  459 +}
  460 +
  461 +/* hdmi initialization step b.4 */
  462 +static void hdmi_enable_video_path(struct dw_hdmi *hdmi)
  463 +{
  464 + uint clkdis;
  465 +
  466 + /* control period minimum duration */
  467 + hdmi_write(hdmi, 12, HDMI_FC_CTRLDUR);
  468 + hdmi_write(hdmi, 32, HDMI_FC_EXCTRLDUR);
  469 + hdmi_write(hdmi, 1, HDMI_FC_EXCTRLSPAC);
  470 +
  471 + /* set to fill tmds data channels */
  472 + hdmi_write(hdmi, 0x0b, HDMI_FC_CH0PREAM);
  473 + hdmi_write(hdmi, 0x16, HDMI_FC_CH1PREAM);
  474 + hdmi_write(hdmi, 0x21, HDMI_FC_CH2PREAM);
  475 +
  476 + hdmi_write(hdmi, HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS,
  477 + HDMI_MC_FLOWCTRL);
  478 +
  479 + /* enable pixel clock and tmds data path */
  480 + clkdis = 0x7f;
  481 + clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE;
  482 + hdmi_write(hdmi, clkdis, HDMI_MC_CLKDIS);
  483 +
  484 + clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE;
  485 + hdmi_write(hdmi, clkdis, HDMI_MC_CLKDIS);
  486 +
  487 + clkdis &= ~HDMI_MC_CLKDIS_AUDCLK_DISABLE;
  488 + hdmi_write(hdmi, clkdis, HDMI_MC_CLKDIS);
  489 +}
  490 +
  491 +/* workaround to clear the overflow condition */
  492 +static void hdmi_clear_overflow(struct dw_hdmi *hdmi)
  493 +{
  494 + uint val, count;
  495 +
  496 + /* tmds software reset */
  497 + hdmi_write(hdmi, (u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, HDMI_MC_SWRSTZ);
  498 +
  499 + val = hdmi_read(hdmi, HDMI_FC_INVIDCONF);
  500 +
  501 + for (count = 0; count < 4; count++)
  502 + hdmi_write(hdmi, val, HDMI_FC_INVIDCONF);
  503 +}
  504 +
  505 +static void hdmi_audio_set_format(struct dw_hdmi *hdmi)
  506 +{
  507 + hdmi_write(hdmi, HDMI_AUD_CONF0_I2S_SELECT | HDMI_AUD_CONF0_I2S_IN_EN_0,
  508 + HDMI_AUD_CONF0);
  509 +
  510 +
  511 + hdmi_write(hdmi, HDMI_AUD_CONF1_I2S_MODE_STANDARD_MODE |
  512 + HDMI_AUD_CONF1_I2S_WIDTH_16BIT, HDMI_AUD_CONF1);
  513 +
  514 + hdmi_write(hdmi, 0x00, HDMI_AUD_CONF2);
  515 +}
  516 +
  517 +static void hdmi_audio_fifo_reset(struct dw_hdmi *hdmi)
  518 +{
  519 + hdmi_write(hdmi, (u8)~HDMI_MC_SWRSTZ_II2SSWRST_REQ, HDMI_MC_SWRSTZ);
  520 + hdmi_write(hdmi, HDMI_AUD_CONF0_SW_AUDIO_FIFO_RST, HDMI_AUD_CONF0);
  521 +
  522 + hdmi_write(hdmi, 0x00, HDMI_AUD_INT);
  523 + hdmi_write(hdmi, 0x00, HDMI_AUD_INT1);
  524 +}
  525 +
  526 +static int hdmi_get_plug_in_status(struct dw_hdmi *hdmi)
  527 +{
  528 + uint val = hdmi_read(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_HPD;
  529 +
  530 + return !!val;
  531 +}
  532 +
  533 +static int hdmi_ddc_wait_i2c_done(struct dw_hdmi *hdmi, int msec)
  534 +{
  535 + u32 val;
  536 + ulong start;
  537 +
  538 + start = get_timer(0);
  539 + do {
  540 + val = hdmi_read(hdmi, HDMI_IH_I2CM_STAT0);
  541 + if (val & 0x2) {
  542 + hdmi_write(hdmi, val, HDMI_IH_I2CM_STAT0);
  543 + return 0;
  544 + }
  545 +
  546 + udelay(100);
  547 + } while (get_timer(start) < msec);
  548 +
  549 + return 1;
  550 +}
  551 +
  552 +static void hdmi_ddc_reset(struct dw_hdmi *hdmi)
  553 +{
  554 + hdmi_mod(hdmi, HDMI_I2CM_SOFTRSTZ, HDMI_I2CM_SOFTRSTZ_MASK, 0);
  555 +}
  556 +
  557 +static int hdmi_read_edid(struct dw_hdmi *hdmi, int block, u8 *buff)
  558 +{
  559 + int shift = (block % 2) * 0x80;
  560 + int edid_read_err = 0;
  561 + u32 trytime = 5;
  562 + u32 n;
  563 +
  564 + /* set ddc i2c clk which devided from ddc_clk to 100khz */
  565 + hdmi_write(hdmi, hdmi->i2c_clk_high, HDMI_I2CM_SS_SCL_HCNT_0_ADDR);
  566 + hdmi_write(hdmi, hdmi->i2c_clk_low, HDMI_I2CM_SS_SCL_LCNT_0_ADDR);
  567 + hdmi_mod(hdmi, HDMI_I2CM_DIV, HDMI_I2CM_DIV_FAST_STD_MODE,
  568 + HDMI_I2CM_DIV_STD_MODE);
  569 +
  570 + hdmi_write(hdmi, HDMI_I2CM_SLAVE_DDC_ADDR, HDMI_I2CM_SLAVE);
  571 + hdmi_write(hdmi, HDMI_I2CM_SEGADDR_DDC, HDMI_I2CM_SEGADDR);
  572 + hdmi_write(hdmi, block >> 1, HDMI_I2CM_SEGPTR);
  573 +
  574 + while (trytime--) {
  575 + edid_read_err = 0;
  576 +
  577 + for (n = 0; n < HDMI_EDID_BLOCK_SIZE; n++) {
  578 + hdmi_write(hdmi, shift + n, HDMI_I2CM_ADDRESS);
  579 +
  580 + if (block == 0)
  581 + hdmi_write(hdmi, HDMI_I2CM_OP_RD8,
  582 + HDMI_I2CM_OPERATION);
  583 + else
  584 + hdmi_write(hdmi, HDMI_I2CM_OP_RD8_EXT,
  585 + HDMI_I2CM_OPERATION);
  586 +
  587 + if (hdmi_ddc_wait_i2c_done(hdmi, 10)) {
  588 + hdmi_ddc_reset(hdmi);
  589 + edid_read_err = 1;
  590 + break;
  591 + }
  592 +
  593 + buff[n] = hdmi_read(hdmi, HDMI_I2CM_DATAI);
  594 + }
  595 +
  596 + if (!edid_read_err)
  597 + break;
  598 + }
  599 +
  600 + return edid_read_err;
  601 +}
  602 +
  603 +static const u8 pre_buf[] = {
  604 + 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
  605 + 0x04, 0x69, 0xfa, 0x23, 0xc8, 0x28, 0x01, 0x00,
  606 + 0x10, 0x17, 0x01, 0x03, 0x80, 0x33, 0x1d, 0x78,
  607 + 0x2a, 0xd9, 0x45, 0xa2, 0x55, 0x4d, 0xa0, 0x27,
  608 + 0x12, 0x50, 0x54, 0xb7, 0xef, 0x00, 0x71, 0x4f,
  609 + 0x81, 0x40, 0x81, 0x80, 0x95, 0x00, 0xb3, 0x00,
  610 + 0xd1, 0xc0, 0x81, 0xc0, 0x81, 0x00, 0x02, 0x3a,
  611 + 0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c,
  612 + 0x45, 0x00, 0xfd, 0x1e, 0x11, 0x00, 0x00, 0x1e,
  613 + 0x00, 0x00, 0x00, 0xff, 0x00, 0x44, 0x34, 0x4c,
  614 + 0x4d, 0x54, 0x46, 0x30, 0x37, 0x35, 0x39, 0x37,
  615 + 0x36, 0x0a, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x32,
  616 + 0x4b, 0x18, 0x53, 0x11, 0x00, 0x0a, 0x20, 0x20,
  617 + 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc,
  618 + 0x00, 0x41, 0x53, 0x55, 0x53, 0x20, 0x56, 0x53,
  619 + 0x32, 0x33, 0x38, 0x0a, 0x20, 0x20, 0x01, 0xb0,
  620 + 0x02, 0x03, 0x22, 0x71, 0x4f, 0x01, 0x02, 0x03,
  621 + 0x11, 0x12, 0x13, 0x04, 0x14, 0x05, 0x0e, 0x0f,
  622 + 0x1d, 0x1e, 0x1f, 0x10, 0x23, 0x09, 0x17, 0x07,
  623 + 0x83, 0x01, 0x00, 0x00, 0x65, 0x03, 0x0c, 0x00,
  624 + 0x10, 0x00, 0x8c, 0x0a, 0xd0, 0x8a, 0x20, 0xe0,
  625 + 0x2d, 0x10, 0x10, 0x3e, 0x96, 0x00, 0xfd, 0x1e,
  626 + 0x11, 0x00, 0x00, 0x18, 0x01, 0x1d, 0x00, 0x72,
  627 + 0x51, 0xd0, 0x1e, 0x20, 0x6e, 0x28, 0x55, 0x00,
  628 + 0xfd, 0x1e, 0x11, 0x00, 0x00, 0x1e, 0x01, 0x1d,
  629 + 0x00, 0xbc, 0x52, 0xd0, 0x1e, 0x20, 0xb8, 0x28,
  630 + 0x55, 0x40, 0xfd, 0x1e, 0x11, 0x00, 0x00, 0x1e,
  631 + 0x8c, 0x0a, 0xd0, 0x90, 0x20, 0x40, 0x31, 0x20,
  632 + 0x0c, 0x40, 0x55, 0x00, 0xfd, 0x1e, 0x11, 0x00,
  633 + 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  634 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  635 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe9,
  636 +};
  637 +
  638 +int dw_hdmi_phy_cfg(struct dw_hdmi *hdmi, uint mpixelclock)
  639 +{
  640 + int i, ret;
  641 +
  642 + /* hdmi phy spec says to do the phy initialization sequence twice */
  643 + for (i = 0; i < 2; i++) {
  644 + hdmi_phy_sel_data_en_pol(hdmi, 1);
  645 + hdmi_phy_sel_interface_control(hdmi, 0);
  646 + hdmi_phy_enable_tmds(hdmi, 0);
  647 + hdmi_phy_enable_power(hdmi, 0);
  648 +
  649 + ret = hdmi_phy_configure(hdmi, mpixelclock);
  650 + if (ret) {
  651 + debug("hdmi phy config failure %d\n", ret);
  652 + return ret;
  653 + }
  654 + }
  655 +
  656 + return 0;
  657 +}
  658 +
  659 +int dw_hdmi_phy_wait_for_hpd(struct dw_hdmi *hdmi)
  660 +{
  661 + ulong start;
  662 +
  663 + start = get_timer(0);
  664 + do {
  665 + if (hdmi_get_plug_in_status(hdmi))
  666 + return 0;
  667 + udelay(100);
  668 + } while (get_timer(start) < 300);
  669 +
  670 + return -1;
  671 +}
  672 +
  673 +void dw_hdmi_phy_init(struct dw_hdmi *hdmi)
  674 +{
  675 + /* enable phy i2cm done irq */
  676 + hdmi_write(hdmi, HDMI_PHY_I2CM_INT_ADDR_DONE_POL,
  677 + HDMI_PHY_I2CM_INT_ADDR);
  678 +
  679 + /* enable phy i2cm nack & arbitration error irq */
  680 + hdmi_write(hdmi, HDMI_PHY_I2CM_CTLINT_ADDR_NAC_POL |
  681 + HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL,
  682 + HDMI_PHY_I2CM_CTLINT_ADDR);
  683 +
  684 + /* enable cable hot plug irq */
  685 + hdmi_write(hdmi, (u8)~HDMI_PHY_HPD, HDMI_PHY_MASK0);
  686 +
  687 + /* clear hotplug interrupts */
  688 + hdmi_write(hdmi, HDMI_IH_PHY_STAT0_HPD, HDMI_IH_PHY_STAT0);
  689 +}
  690 +
  691 +int dw_hdmi_read_edid(struct dw_hdmi *hdmi, u8 *buf, int buf_size)
  692 +{
  693 + u32 edid_size = HDMI_EDID_BLOCK_SIZE;
  694 + int ret;
  695 +
  696 + if (0) {
  697 + edid_size = sizeof(pre_buf);
  698 + memcpy(buf, pre_buf, edid_size);
  699 + } else {
  700 + ret = hdmi_read_edid(hdmi, 0, buf);
  701 + if (ret) {
  702 + debug("failed to read edid.\n");
  703 + return -1;
  704 + }
  705 +
  706 + if (buf[0x7e] != 0) {
  707 + hdmi_read_edid(hdmi, 1, buf + HDMI_EDID_BLOCK_SIZE);
  708 + edid_size += HDMI_EDID_BLOCK_SIZE;
  709 + }
  710 + }
  711 +
  712 + return edid_size;
  713 +}
  714 +
  715 +int dw_hdmi_enable(struct dw_hdmi *hdmi, const struct display_timing *edid)
  716 +{
  717 + int ret;
  718 +
  719 + debug("hdmi, mode info : clock %d hdis %d vdis %d\n",
  720 + edid->pixelclock.typ, edid->hactive.typ, edid->vactive.typ);
  721 +
  722 + hdmi_av_composer(hdmi, edid);
  723 +
  724 + ret = hdmi->phy_set(hdmi, edid->pixelclock.typ);
  725 + if (ret)
  726 + return ret;
  727 +
  728 + hdmi_enable_video_path(hdmi);
  729 +
  730 + hdmi_audio_fifo_reset(hdmi);
  731 + hdmi_audio_set_format(hdmi);
  732 + hdmi_audio_set_samplerate(hdmi, edid->pixelclock.typ);
  733 +
  734 + hdmi_video_packetize(hdmi);
  735 + hdmi_video_sample(hdmi);
  736 +
  737 + hdmi_clear_overflow(hdmi);
  738 +
  739 + return 0;
  740 +}
  741 +
  742 +void dw_hdmi_init(struct dw_hdmi *hdmi)
  743 +{
  744 + uint ih_mute;
  745 +
  746 + /*
  747 + * boot up defaults are:
  748 + * hdmi_ih_mute = 0x03 (disabled)
  749 + * hdmi_ih_mute_* = 0x00 (enabled)
  750 + *
  751 + * disable top level interrupt bits in hdmi block
  752 + */
  753 + ih_mute = /*hdmi_read(hdmi, HDMI_IH_MUTE) |*/
  754 + HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT |
  755 + HDMI_IH_MUTE_MUTE_ALL_INTERRUPT;
  756 +
  757 + hdmi_write(hdmi, ih_mute, HDMI_IH_MUTE);
  758 +
  759 + /* enable i2c master done irq */
  760 + hdmi_write(hdmi, ~0x04, HDMI_I2CM_INT);
  761 +
  762 + /* enable i2c client nack % arbitration error irq */
  763 + hdmi_write(hdmi, ~0x44, HDMI_I2CM_CTLINT);
  764 +}
drivers/video/rockchip/Makefile
... ... @@ -5,5 +5,5 @@
5 5 # SPDX-License-Identifier: GPL-2.0+
6 6 #
7 7  
8   -obj-y += rk_edp.o rk_hdmi.o rk_vop.o rk_lvds.o
  8 +obj-y += rk_edp.o rk_hdmi.o rk_vop.o rk_lvds.o ../dw_hdmi.o
drivers/video/rockchip/rk_hdmi.c
... ... @@ -9,6 +9,7 @@
9 9 #include <clk.h>
10 10 #include <display.h>
11 11 #include <dm.h>
  12 +#include <dw_hdmi.h>
12 13 #include <edid.h>
13 14 #include <regmap.h>
14 15 #include <syscon.h>
15 16  
16 17  
17 18  
... ... @@ -16,73 +17,13 @@
16 17 #include <asm/io.h>
17 18 #include <asm/arch/clock.h>
18 19 #include <asm/arch/grf_rk3288.h>
19   -#include <asm/arch/hdmi_rk3288.h>
20 20 #include <power/regulator.h>
21 21  
22   -struct tmds_n_cts {
23   - u32 tmds;
24   - u32 cts;
25   - u32 n;
26   -};
27   -
28 22 struct rk_hdmi_priv {
29   - struct rk3288_hdmi *regs;
  23 + struct dw_hdmi hdmi;
30 24 struct rk3288_grf *grf;
31 25 };
32 26  
33   -static const struct tmds_n_cts n_cts_table[] = {
34   - {
35   - .tmds = 25175000, .n = 6144, .cts = 25175,
36   - }, {
37   - .tmds = 25200000, .n = 6144, .cts = 25200,
38   - }, {
39   - .tmds = 27000000, .n = 6144, .cts = 27000,
40   - }, {
41   - .tmds = 27027000, .n = 6144, .cts = 27027,
42   - }, {
43   - .tmds = 40000000, .n = 6144, .cts = 40000,
44   - }, {
45   - .tmds = 54000000, .n = 6144, .cts = 54000,
46   - }, {
47   - .tmds = 54054000, .n = 6144, .cts = 54054,
48   - }, {
49   - .tmds = 65000000, .n = 6144, .cts = 65000,
50   - }, {
51   - .tmds = 74176000, .n = 11648, .cts = 140625,
52   - }, {
53   - .tmds = 74250000, .n = 6144, .cts = 74250,
54   - }, {
55   - .tmds = 83500000, .n = 6144, .cts = 83500,
56   - }, {
57   - .tmds = 106500000, .n = 6144, .cts = 106500,
58   - }, {
59   - .tmds = 108000000, .n = 6144, .cts = 108000,
60   - }, {
61   - .tmds = 148352000, .n = 5824, .cts = 140625,
62   - }, {
63   - .tmds = 148500000, .n = 6144, .cts = 148500,
64   - }, {
65   - .tmds = 297000000, .n = 5120, .cts = 247500,
66   - }
67   -};
68   -
69   -struct hdmi_mpll_config {
70   - u64 mpixelclock;
71   - /* Mode of Operation and PLL Dividers Control Register */
72   - u32 cpce;
73   - /* PLL Gmp Control Register */
74   - u32 gmp;
75   - /* PLL Current COntrol Register */
76   - u32 curr;
77   -};
78   -
79   -struct hdmi_phy_config {
80   - u64 mpixelclock;
81   - u32 sym_ctr; /* clock symbol and transmitter control */
82   - u32 term; /* transmission termination value */
83   - u32 vlev_ctr; /* voltage level control */
84   -};
85   -
86 27 static const struct hdmi_phy_config rockchip_phy_config[] = {
87 28 {
88 29 .mpixelclock = 74250000,
89 30  
90 31  
91 32  
92 33  
93 34  
94 35  
... ... @@ -124,693 +65,41 @@
124 65 }
125 66 };
126 67  
127   -static void hdmi_set_clock_regenerator(struct rk3288_hdmi *regs, u32 n, u32 cts)
128   -{
129   - uint cts3;
130   - uint n3;
131   -
132   - /* first set ncts_atomic_write (if present) */
133   - n3 = HDMI_AUD_N3_NCTS_ATOMIC_WRITE;
134   - writel(n3, &regs->aud_n3);
135   -
136   - /* set cts_manual (if present) */
137   - cts3 = HDMI_AUD_CTS3_CTS_MANUAL;
138   -
139   - cts3 |= HDMI_AUD_CTS3_N_SHIFT_1 << HDMI_AUD_CTS3_N_SHIFT_OFFSET;
140   - cts3 |= (cts >> 16) & HDMI_AUD_CTS3_AUDCTS19_16_MASK;
141   -
142   - /* write cts values; cts3 must be written first */
143   - writel(cts3, &regs->aud_cts3);
144   - writel((cts >> 8) & 0xff, &regs->aud_cts2);
145   - writel(cts & 0xff, &regs->aud_cts1);
146   -
147   - /* write n values; n1 must be written last */
148   - n3 |= (n >> 16) & HDMI_AUD_N3_AUDN19_16_MASK;
149   - writel(n3, &regs->aud_n3);
150   - writel((n >> 8) & 0xff, &regs->aud_n2);
151   - writel(n & 0xff, &regs->aud_n1);
152   -
153   - writel(HDMI_AUD_INPUTCLKFS_128, &regs->aud_inputclkfs);
154   -}
155   -
156   -static int hdmi_lookup_n_cts(u32 pixel_clk)
157   -{
158   - int i;
159   -
160   - for (i = 0; i < ARRAY_SIZE(n_cts_table); i++)
161   - if (pixel_clk <= n_cts_table[i].tmds)
162   - break;
163   -
164   - if (i >= ARRAY_SIZE(n_cts_table))
165   - return -1;
166   -
167   - return i;
168   -}
169   -
170   -static void hdmi_audio_set_samplerate(struct rk3288_hdmi *regs, u32 pixel_clk)
171   -{
172   - u32 clk_n, clk_cts;
173   - int index;
174   -
175   - index = hdmi_lookup_n_cts(pixel_clk);
176   - if (index == -1) {
177   - debug("audio not supported for pixel clk %d\n", pixel_clk);
178   - return;
179   - }
180   -
181   - clk_n = n_cts_table[index].n;
182   - clk_cts = n_cts_table[index].cts;
183   - hdmi_set_clock_regenerator(regs, clk_n, clk_cts);
184   -}
185   -
186   -/*
187   - * this submodule is responsible for the video data synchronization.
188   - * for example, for rgb 4:4:4 input, the data map is defined as
189   - * pin{47~40} <==> r[7:0]
190   - * pin{31~24} <==> g[7:0]
191   - * pin{15~8} <==> b[7:0]
192   - */
193   -static void hdmi_video_sample(struct rk3288_hdmi *regs)
194   -{
195   - u32 color_format = 0x01;
196   - uint val;
197   -
198   - val = HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_DISABLE |
199   - ((color_format << HDMI_TX_INVID0_VIDEO_MAPPING_OFFSET) &
200   - HDMI_TX_INVID0_VIDEO_MAPPING_MASK);
201   -
202   - writel(val, &regs->tx_invid0);
203   -
204   - /* enable tx stuffing: when de is inactive, fix the output data to 0 */
205   - val = HDMI_TX_INSTUFFING_BDBDATA_STUFFING_ENABLE |
206   - HDMI_TX_INSTUFFING_RCRDATA_STUFFING_ENABLE |
207   - HDMI_TX_INSTUFFING_GYDATA_STUFFING_ENABLE;
208   - writel(val, &regs->tx_instuffing);
209   - writel(0x0, &regs->tx_gydata0);
210   - writel(0x0, &regs->tx_gydata1);
211   - writel(0x0, &regs->tx_rcrdata0);
212   - writel(0x0, &regs->tx_rcrdata1);
213   - writel(0x0, &regs->tx_bcbdata0);
214   - writel(0x0, &regs->tx_bcbdata1);
215   -}
216   -
217   -static void hdmi_video_packetize(struct rk3288_hdmi *regs)
218   -{
219   - u32 output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS;
220   - u32 remap_size = HDMI_VP_REMAP_YCC422_16BIT;
221   - u32 color_depth = 0;
222   - uint val, vp_conf;
223   -
224   - /* set the packetizer registers */
225   - val = ((color_depth << HDMI_VP_PR_CD_COLOR_DEPTH_OFFSET) &
226   - HDMI_VP_PR_CD_COLOR_DEPTH_MASK) |
227   - ((0 << HDMI_VP_PR_CD_DESIRED_PR_FACTOR_OFFSET) &
228   - HDMI_VP_PR_CD_DESIRED_PR_FACTOR_MASK);
229   - writel(val, &regs->vp_pr_cd);
230   -
231   - clrsetbits_le32(&regs->vp_stuff, HDMI_VP_STUFF_PR_STUFFING_MASK,
232   - HDMI_VP_STUFF_PR_STUFFING_STUFFING_MODE);
233   -
234   - /* data from pixel repeater block */
235   - vp_conf = HDMI_VP_CONF_PR_EN_DISABLE |
236   - HDMI_VP_CONF_BYPASS_SELECT_VID_PACKETIZER;
237   -
238   - clrsetbits_le32(&regs->vp_conf, HDMI_VP_CONF_PR_EN_MASK |
239   - HDMI_VP_CONF_BYPASS_SELECT_MASK, vp_conf);
240   -
241   - clrsetbits_le32(&regs->vp_stuff, HDMI_VP_STUFF_IDEFAULT_PHASE_MASK,
242   - 1 << HDMI_VP_STUFF_IDEFAULT_PHASE_OFFSET);
243   -
244   - writel(remap_size, &regs->vp_remap);
245   -
246   - vp_conf = HDMI_VP_CONF_BYPASS_EN_ENABLE |
247   - HDMI_VP_CONF_PP_EN_DISABLE |
248   - HDMI_VP_CONF_YCC422_EN_DISABLE;
249   -
250   - clrsetbits_le32(&regs->vp_conf, HDMI_VP_CONF_BYPASS_EN_MASK |
251   - HDMI_VP_CONF_PP_EN_ENMASK | HDMI_VP_CONF_YCC422_EN_MASK,
252   - vp_conf);
253   -
254   - clrsetbits_le32(&regs->vp_stuff, HDMI_VP_STUFF_PP_STUFFING_MASK |
255   - HDMI_VP_STUFF_YCC422_STUFFING_MASK,
256   - HDMI_VP_STUFF_PP_STUFFING_STUFFING_MODE |
257   - HDMI_VP_STUFF_YCC422_STUFFING_STUFFING_MODE);
258   -
259   - clrsetbits_le32(&regs->vp_conf, HDMI_VP_CONF_OUTPUT_SELECTOR_MASK,
260   - output_select);
261   -}
262   -
263   -static inline void hdmi_phy_test_clear(struct rk3288_hdmi *regs, uint bit)
264   -{
265   - clrsetbits_le32(&regs->phy_tst0, HDMI_PHY_TST0_TSTCLR_MASK,
266   - bit << HDMI_PHY_TST0_TSTCLR_OFFSET);
267   -}
268   -
269   -static int hdmi_phy_wait_i2c_done(struct rk3288_hdmi *regs, u32 msec)
270   -{
271   - ulong start;
272   - u32 val;
273   -
274   - start = get_timer(0);
275   - do {
276   - val = readl(&regs->ih_i2cmphy_stat0);
277   - if (val & 0x3) {
278   - writel(val, &regs->ih_i2cmphy_stat0);
279   - return 0;
280   - }
281   -
282   - udelay(100);
283   - } while (get_timer(start) < msec);
284   -
285   - return 1;
286   -}
287   -
288   -static void hdmi_phy_i2c_write(struct rk3288_hdmi *regs, uint data, uint addr)
289   -{
290   - writel(0xff, &regs->ih_i2cmphy_stat0);
291   - writel(addr, &regs->phy_i2cm_address_addr);
292   - writel((u8)(data >> 8), &regs->phy_i2cm_datao_1_addr);
293   - writel((u8)(data >> 0), &regs->phy_i2cm_datao_0_addr);
294   - writel(HDMI_PHY_I2CM_OPERATION_ADDR_WRITE,
295   - &regs->phy_i2cm_operation_addr);
296   -
297   - hdmi_phy_wait_i2c_done(regs, 1000);
298   -}
299   -
300   -static void hdmi_phy_enable_power(struct rk3288_hdmi *regs, uint enable)
301   -{
302   - clrsetbits_le32(&regs->phy_conf0, HDMI_PHY_CONF0_PDZ_MASK,
303   - enable << HDMI_PHY_CONF0_PDZ_OFFSET);
304   -}
305   -
306   -static void hdmi_phy_enable_tmds(struct rk3288_hdmi *regs, uint enable)
307   -{
308   - clrsetbits_le32(&regs->phy_conf0, HDMI_PHY_CONF0_ENTMDS_MASK,
309   - enable << HDMI_PHY_CONF0_ENTMDS_OFFSET);
310   -}
311   -
312   -static void hdmi_phy_enable_spare(struct rk3288_hdmi *regs, uint enable)
313   -{
314   - clrsetbits_le32(&regs->phy_conf0, HDMI_PHY_CONF0_SPARECTRL_MASK,
315   - enable << HDMI_PHY_CONF0_SPARECTRL_OFFSET);
316   -}
317   -
318   -static void hdmi_phy_gen2_pddq(struct rk3288_hdmi *regs, uint enable)
319   -{
320   - clrsetbits_le32(&regs->phy_conf0, HDMI_PHY_CONF0_GEN2_PDDQ_MASK,
321   - enable << HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET);
322   -}
323   -
324   -static void hdmi_phy_gen2_txpwron(struct rk3288_hdmi *regs, uint enable)
325   -{
326   - clrsetbits_le32(&regs->phy_conf0,
327   - HDMI_PHY_CONF0_GEN2_TXPWRON_MASK,
328   - enable << HDMI_PHY_CONF0_GEN2_TXPWRON_OFFSET);
329   -}
330   -
331   -static void hdmi_phy_sel_data_en_pol(struct rk3288_hdmi *regs, uint enable)
332   -{
333   - clrsetbits_le32(&regs->phy_conf0,
334   - HDMI_PHY_CONF0_SELDATAENPOL_MASK,
335   - enable << HDMI_PHY_CONF0_SELDATAENPOL_OFFSET);
336   -}
337   -
338   -static void hdmi_phy_sel_interface_control(struct rk3288_hdmi *regs,
339   - uint enable)
340   -{
341   - clrsetbits_le32(&regs->phy_conf0, HDMI_PHY_CONF0_SELDIPIF_MASK,
342   - enable << HDMI_PHY_CONF0_SELDIPIF_OFFSET);
343   -}
344   -
345   -static int hdmi_phy_configure(struct rk3288_hdmi *regs, u32 mpixelclock)
346   -{
347   - ulong start;
348   - uint i, val;
349   -
350   - writel(HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS,
351   - &regs->mc_flowctrl);
352   -
353   - /* gen2 tx power off */
354   - hdmi_phy_gen2_txpwron(regs, 0);
355   -
356   - /* gen2 pddq */
357   - hdmi_phy_gen2_pddq(regs, 1);
358   -
359   - /* phy reset */
360   - writel(HDMI_MC_PHYRSTZ_DEASSERT, &regs->mc_phyrstz);
361   - writel(HDMI_MC_PHYRSTZ_ASSERT, &regs->mc_phyrstz);
362   - writel(HDMI_MC_HEACPHY_RST_ASSERT, &regs->mc_heacphy_rst);
363   -
364   - hdmi_phy_test_clear(regs, 1);
365   - writel(HDMI_PHY_I2CM_SLAVE_ADDR_PHY_GEN2, &regs->phy_i2cm_slave_addr);
366   - hdmi_phy_test_clear(regs, 0);
367   -
368   - /* pll/mpll cfg - always match on final entry */
369   - for (i = 0; rockchip_mpll_cfg[i].mpixelclock != (~0ul); i++)
370   - if (mpixelclock <= rockchip_mpll_cfg[i].mpixelclock)
371   - break;
372   -
373   - hdmi_phy_i2c_write(regs, rockchip_mpll_cfg[i].cpce, PHY_OPMODE_PLLCFG);
374   - hdmi_phy_i2c_write(regs, rockchip_mpll_cfg[i].gmp, PHY_PLLGMPCTRL);
375   - hdmi_phy_i2c_write(regs, rockchip_mpll_cfg[i].curr, PHY_PLLCURRCTRL);
376   -
377   - hdmi_phy_i2c_write(regs, 0x0000, PHY_PLLPHBYCTRL);
378   - hdmi_phy_i2c_write(regs, 0x0006, PHY_PLLCLKBISTPHASE);
379   -
380   - for (i = 0; rockchip_phy_config[i].mpixelclock != (~0ul); i++)
381   - if (mpixelclock <= rockchip_phy_config[i].mpixelclock)
382   - break;
383   -
384   - /*
385   - * resistance term 133ohm cfg
386   - * preemp cgf 0.00
387   - * tx/ck lvl 10
388   - */
389   - hdmi_phy_i2c_write(regs, rockchip_phy_config[i].term, PHY_TXTERM);
390   - hdmi_phy_i2c_write(regs, rockchip_phy_config[i].sym_ctr,
391   - PHY_CKSYMTXCTRL);
392   - hdmi_phy_i2c_write(regs, rockchip_phy_config[i].vlev_ctr, PHY_VLEVCTRL);
393   -
394   - /* remove clk term */
395   - hdmi_phy_i2c_write(regs, 0x8000, PHY_CKCALCTRL);
396   -
397   - hdmi_phy_enable_power(regs, 1);
398   -
399   - /* toggle tmds enable */
400   - hdmi_phy_enable_tmds(regs, 0);
401   - hdmi_phy_enable_tmds(regs, 1);
402   -
403   - /* gen2 tx power on */
404   - hdmi_phy_gen2_txpwron(regs, 1);
405   - hdmi_phy_gen2_pddq(regs, 0);
406   -
407   - hdmi_phy_enable_spare(regs, 1);
408   -
409   - /* wait for phy pll lock */
410   - start = get_timer(0);
411   - do {
412   - val = readl(&regs->phy_stat0);
413   - if (!(val & HDMI_PHY_TX_PHY_LOCK))
414   - return 0;
415   -
416   - udelay(100);
417   - } while (get_timer(start) < 5);
418   -
419   - return -1;
420   -}
421   -
422   -static int hdmi_phy_init(struct rk3288_hdmi *regs, uint mpixelclock)
423   -{
424   - int i, ret;
425   -
426   - /* hdmi phy spec says to do the phy initialization sequence twice */
427   - for (i = 0; i < 2; i++) {
428   - hdmi_phy_sel_data_en_pol(regs, 1);
429   - hdmi_phy_sel_interface_control(regs, 0);
430   - hdmi_phy_enable_tmds(regs, 0);
431   - hdmi_phy_enable_power(regs, 0);
432   -
433   - ret = hdmi_phy_configure(regs, mpixelclock);
434   - if (ret) {
435   - debug("hdmi phy config failure %d\n", ret);
436   - return ret;
437   - }
438   - }
439   -
440   - return 0;
441   -}
442   -
443   -static void hdmi_av_composer(struct rk3288_hdmi *regs,
444   - const struct display_timing *edid)
445   -{
446   - bool mdataenablepolarity = true;
447   - uint inv_val;
448   - uint hbl;
449   - uint vbl;
450   -
451   - hbl = edid->hback_porch.typ + edid->hfront_porch.typ +
452   - edid->hsync_len.typ;
453   - vbl = edid->vback_porch.typ + edid->vfront_porch.typ +
454   - edid->vsync_len.typ;
455   -
456   - /* set up hdmi_fc_invidconf */
457   - inv_val = HDMI_FC_INVIDCONF_HDCP_KEEPOUT_INACTIVE;
458   -
459   - inv_val |= (edid->flags & DISPLAY_FLAGS_HSYNC_HIGH ?
460   - HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_HIGH :
461   - HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_LOW);
462   -
463   - inv_val |= (edid->flags & DISPLAY_FLAGS_VSYNC_HIGH ?
464   - HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_HIGH :
465   - HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_LOW);
466   -
467   - inv_val |= (mdataenablepolarity ?
468   - HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_HIGH :
469   - HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_LOW);
470   -
471   - /*
472   - * TODO(sjg@chromium.org>: Need to check for HDMI / DVI
473   - * inv_val |= (edid->hdmi_monitor_detected ?
474   - * HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE :
475   - * HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE);
476   - */
477   - inv_val |= HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE;
478   -
479   - inv_val |= HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_LOW;
480   -
481   - inv_val |= HDMI_FC_INVIDCONF_IN_I_P_PROGRESSIVE;
482   -
483   - writel(inv_val, &regs->fc_invidconf);
484   -
485   - /* set up horizontal active pixel width */
486   - writel(edid->hactive.typ >> 8, &regs->fc_inhactv1);
487   - writel(edid->hactive.typ, &regs->fc_inhactv0);
488   -
489   - /* set up vertical active lines */
490   - writel(edid->vactive.typ >> 8, &regs->fc_invactv1);
491   - writel(edid->vactive.typ, &regs->fc_invactv0);
492   -
493   - /* set up horizontal blanking pixel region width */
494   - writel(hbl >> 8, &regs->fc_inhblank1);
495   - writel(hbl, &regs->fc_inhblank0);
496   -
497   - /* set up vertical blanking pixel region width */
498   - writel(vbl, &regs->fc_invblank);
499   -
500   - /* set up hsync active edge delay width (in pixel clks) */
501   - writel(edid->hfront_porch.typ >> 8, &regs->fc_hsyncindelay1);
502   - writel(edid->hfront_porch.typ, &regs->fc_hsyncindelay0);
503   -
504   - /* set up vsync active edge delay (in lines) */
505   - writel(edid->vfront_porch.typ, &regs->fc_vsyncindelay);
506   -
507   - /* set up hsync active pulse width (in pixel clks) */
508   - writel(edid->hsync_len.typ >> 8, &regs->fc_hsyncinwidth1);
509   - writel(edid->hsync_len.typ, &regs->fc_hsyncinwidth0);
510   -
511   - /* set up vsync active edge delay (in lines) */
512   - writel(edid->vsync_len.typ, &regs->fc_vsyncinwidth);
513   -}
514   -
515   -/* hdmi initialization step b.4 */
516   -static void hdmi_enable_video_path(struct rk3288_hdmi *regs)
517   -{
518   - uint clkdis;
519   -
520   - /* control period minimum duration */
521   - writel(12, &regs->fc_ctrldur);
522   - writel(32, &regs->fc_exctrldur);
523   - writel(1, &regs->fc_exctrlspac);
524   -
525   - /* set to fill tmds data channels */
526   - writel(0x0b, &regs->fc_ch0pream);
527   - writel(0x16, &regs->fc_ch1pream);
528   - writel(0x21, &regs->fc_ch2pream);
529   -
530   - /* enable pixel clock and tmds data path */
531   - clkdis = 0x7f;
532   - clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE;
533   - writel(clkdis, &regs->mc_clkdis);
534   -
535   - clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE;
536   - writel(clkdis, &regs->mc_clkdis);
537   -
538   - clkdis &= ~HDMI_MC_CLKDIS_AUDCLK_DISABLE;
539   - writel(clkdis, &regs->mc_clkdis);
540   -}
541   -
542   -/* workaround to clear the overflow condition */
543   -static void hdmi_clear_overflow(struct rk3288_hdmi *regs)
544   -{
545   - uint val, count;
546   -
547   - /* tmds software reset */
548   - writel((u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, &regs->mc_swrstz);
549   -
550   - val = readl(&regs->fc_invidconf);
551   -
552   - for (count = 0; count < 4; count++)
553   - writel(val, &regs->fc_invidconf);
554   -}
555   -
556   -static void hdmi_audio_set_format(struct rk3288_hdmi *regs)
557   -{
558   - writel(HDMI_AUD_CONF0_I2S_SELECT | HDMI_AUD_CONF0_I2S_IN_EN_0,
559   - &regs->aud_conf0);
560   -
561   -
562   - writel(HDMI_AUD_CONF1_I2S_MODE_STANDARD_MODE |
563   - HDMI_AUD_CONF1_I2S_WIDTH_16BIT, &regs->aud_conf1);
564   -
565   - writel(0x00, &regs->aud_conf2);
566   -}
567   -
568   -static void hdmi_audio_fifo_reset(struct rk3288_hdmi *regs)
569   -{
570   - writel((u8)~HDMI_MC_SWRSTZ_II2SSWRST_REQ, &regs->mc_swrstz);
571   - writel(HDMI_AUD_CONF0_SW_AUDIO_FIFO_RST, &regs->aud_conf0);
572   -
573   - writel(0x00, &regs->aud_int);
574   - writel(0x00, &regs->aud_int1);
575   -}
576   -
577   -static void hdmi_init_interrupt(struct rk3288_hdmi *regs)
578   -{
579   - uint ih_mute;
580   -
581   - /*
582   - * boot up defaults are:
583   - * hdmi_ih_mute = 0x03 (disabled)
584   - * hdmi_ih_mute_* = 0x00 (enabled)
585   - *
586   - * disable top level interrupt bits in hdmi block
587   - */
588   - ih_mute = readl(&regs->ih_mute) |
589   - HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT |
590   - HDMI_IH_MUTE_MUTE_ALL_INTERRUPT;
591   -
592   - writel(ih_mute, &regs->ih_mute);
593   -
594   - /* enable i2c master done irq */
595   - writel(~0x04, &regs->i2cm_int);
596   -
597   - /* enable i2c client nack % arbitration error irq */
598   - writel(~0x44, &regs->i2cm_ctlint);
599   -
600   - /* enable phy i2cm done irq */
601   - writel(HDMI_PHY_I2CM_INT_ADDR_DONE_POL, &regs->phy_i2cm_int_addr);
602   -
603   - /* enable phy i2cm nack & arbitration error irq */
604   - writel(HDMI_PHY_I2CM_CTLINT_ADDR_NAC_POL |
605   - HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL,
606   - &regs->phy_i2cm_ctlint_addr);
607   -
608   - /* enable cable hot plug irq */
609   - writel((u8)~HDMI_PHY_HPD, &regs->phy_mask0);
610   -
611   - /* clear hotplug interrupts */
612   - writel(HDMI_IH_PHY_STAT0_HPD, &regs->ih_phy_stat0);
613   -}
614   -
615   -static int hdmi_get_plug_in_status(struct rk3288_hdmi *regs)
616   -{
617   - uint val = readl(&regs->phy_stat0) & HDMI_PHY_HPD;
618   -
619   - return !!val;
620   -}
621   -
622   -static int hdmi_wait_for_hpd(struct rk3288_hdmi *regs)
623   -{
624   - ulong start;
625   -
626   - start = get_timer(0);
627   - do {
628   - if (hdmi_get_plug_in_status(regs))
629   - return 0;
630   - udelay(100);
631   - } while (get_timer(start) < 300);
632   -
633   - return -1;
634   -}
635   -
636   -static int hdmi_ddc_wait_i2c_done(struct rk3288_hdmi *regs, int msec)
637   -{
638   - u32 val;
639   - ulong start;
640   -
641   - start = get_timer(0);
642   - do {
643   - val = readl(&regs->ih_i2cm_stat0);
644   - if (val & 0x2) {
645   - writel(val, &regs->ih_i2cm_stat0);
646   - return 0;
647   - }
648   -
649   - udelay(100);
650   - } while (get_timer(start) < msec);
651   -
652   - return 1;
653   -}
654   -
655   -static void hdmi_ddc_reset(struct rk3288_hdmi *regs)
656   -{
657   - clrbits_le32(&regs->i2cm_softrstz, HDMI_I2CM_SOFTRSTZ);
658   -}
659   -
660   -static int hdmi_read_edid(struct rk3288_hdmi *regs, int block, u8 *buff)
661   -{
662   - int shift = (block % 2) * 0x80;
663   - int edid_read_err = 0;
664   - u32 trytime = 5;
665   - u32 n, j, val;
666   -
667   - /* set ddc i2c clk which devided from ddc_clk to 100khz */
668   - writel(0x7a, &regs->i2cm_ss_scl_hcnt_0_addr);
669   - writel(0x8d, &regs->i2cm_ss_scl_lcnt_0_addr);
670   -
671   - /*
672   - * TODO(sjg@chromium.org): The above values don't work - these ones
673   - * work better, but generate lots of errors in the data.
674   - */
675   - writel(0x0d, &regs->i2cm_ss_scl_hcnt_0_addr);
676   - writel(0x0d, &regs->i2cm_ss_scl_lcnt_0_addr);
677   - clrsetbits_le32(&regs->i2cm_div, HDMI_I2CM_DIV_FAST_STD_MODE,
678   - HDMI_I2CM_DIV_STD_MODE);
679   -
680   - writel(HDMI_I2CM_SLAVE_DDC_ADDR, &regs->i2cm_slave);
681   - writel(HDMI_I2CM_SEGADDR_DDC, &regs->i2cm_segaddr);
682   - writel(block >> 1, &regs->i2cm_segptr);
683   -
684   - while (trytime--) {
685   - edid_read_err = 0;
686   -
687   - for (n = 0; n < HDMI_EDID_BLOCK_SIZE / 8; n++) {
688   - writel(shift + 8 * n, &regs->i2c_address);
689   -
690   - if (block == 0)
691   - clrsetbits_le32(&regs->i2cm_operation,
692   - HDMI_I2CM_OPT_RD8,
693   - HDMI_I2CM_OPT_RD8);
694   - else
695   - clrsetbits_le32(&regs->i2cm_operation,
696   - HDMI_I2CM_OPT_RD8_EXT,
697   - HDMI_I2CM_OPT_RD8_EXT);
698   -
699   - if (hdmi_ddc_wait_i2c_done(regs, 10)) {
700   - hdmi_ddc_reset(regs);
701   - edid_read_err = 1;
702   - break;
703   - }
704   -
705   - for (j = 0; j < 8; j++) {
706   - val = readl(&regs->i2cm_buf0 + j);
707   - buff[8 * n + j] = val;
708   - }
709   - }
710   -
711   - if (!edid_read_err)
712   - break;
713   - }
714   -
715   - return edid_read_err;
716   -}
717   -
718   -static const u8 pre_buf[] = {
719   - 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
720   - 0x04, 0x69, 0xfa, 0x23, 0xc8, 0x28, 0x01, 0x00,
721   - 0x10, 0x17, 0x01, 0x03, 0x80, 0x33, 0x1d, 0x78,
722   - 0x2a, 0xd9, 0x45, 0xa2, 0x55, 0x4d, 0xa0, 0x27,
723   - 0x12, 0x50, 0x54, 0xb7, 0xef, 0x00, 0x71, 0x4f,
724   - 0x81, 0x40, 0x81, 0x80, 0x95, 0x00, 0xb3, 0x00,
725   - 0xd1, 0xc0, 0x81, 0xc0, 0x81, 0x00, 0x02, 0x3a,
726   - 0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c,
727   - 0x45, 0x00, 0xfd, 0x1e, 0x11, 0x00, 0x00, 0x1e,
728   - 0x00, 0x00, 0x00, 0xff, 0x00, 0x44, 0x34, 0x4c,
729   - 0x4d, 0x54, 0x46, 0x30, 0x37, 0x35, 0x39, 0x37,
730   - 0x36, 0x0a, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x32,
731   - 0x4b, 0x18, 0x53, 0x11, 0x00, 0x0a, 0x20, 0x20,
732   - 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc,
733   - 0x00, 0x41, 0x53, 0x55, 0x53, 0x20, 0x56, 0x53,
734   - 0x32, 0x33, 0x38, 0x0a, 0x20, 0x20, 0x01, 0xb0,
735   - 0x02, 0x03, 0x22, 0x71, 0x4f, 0x01, 0x02, 0x03,
736   - 0x11, 0x12, 0x13, 0x04, 0x14, 0x05, 0x0e, 0x0f,
737   - 0x1d, 0x1e, 0x1f, 0x10, 0x23, 0x09, 0x17, 0x07,
738   - 0x83, 0x01, 0x00, 0x00, 0x65, 0x03, 0x0c, 0x00,
739   - 0x10, 0x00, 0x8c, 0x0a, 0xd0, 0x8a, 0x20, 0xe0,
740   - 0x2d, 0x10, 0x10, 0x3e, 0x96, 0x00, 0xfd, 0x1e,
741   - 0x11, 0x00, 0x00, 0x18, 0x01, 0x1d, 0x00, 0x72,
742   - 0x51, 0xd0, 0x1e, 0x20, 0x6e, 0x28, 0x55, 0x00,
743   - 0xfd, 0x1e, 0x11, 0x00, 0x00, 0x1e, 0x01, 0x1d,
744   - 0x00, 0xbc, 0x52, 0xd0, 0x1e, 0x20, 0xb8, 0x28,
745   - 0x55, 0x40, 0xfd, 0x1e, 0x11, 0x00, 0x00, 0x1e,
746   - 0x8c, 0x0a, 0xd0, 0x90, 0x20, 0x40, 0x31, 0x20,
747   - 0x0c, 0x40, 0x55, 0x00, 0xfd, 0x1e, 0x11, 0x00,
748   - 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
749   - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
750   - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe9,
751   -};
752   -
753 68 static int rk_hdmi_read_edid(struct udevice *dev, u8 *buf, int buf_size)
754 69 {
755 70 struct rk_hdmi_priv *priv = dev_get_priv(dev);
756   - u32 edid_size = HDMI_EDID_BLOCK_SIZE;
757   - int ret;
758 71  
759   - if (0) {
760   - edid_size = sizeof(pre_buf);
761   - memcpy(buf, pre_buf, edid_size);
762   - } else {
763   - ret = hdmi_read_edid(priv->regs, 0, buf);
764   - if (ret) {
765   - debug("failed to read edid.\n");
766   - return -1;
767   - }
768   -
769   - if (buf[0x7e] != 0) {
770   - hdmi_read_edid(priv->regs, 1,
771   - buf + HDMI_EDID_BLOCK_SIZE);
772   - edid_size += HDMI_EDID_BLOCK_SIZE;
773   - }
774   - }
775   -
776   - return edid_size;
  72 + return dw_hdmi_read_edid(&priv->hdmi, buf, buf_size);
777 73 }
778 74  
779 75 static int rk_hdmi_enable(struct udevice *dev, int panel_bpp,
780 76 const struct display_timing *edid)
781 77 {
782 78 struct rk_hdmi_priv *priv = dev_get_priv(dev);
783   - struct rk3288_hdmi *regs = priv->regs;
784   - int ret;
785 79  
786   - debug("hdmi, mode info : clock %d hdis %d vdis %d\n",
787   - edid->pixelclock.typ, edid->hactive.typ, edid->vactive.typ);
788   -
789   - hdmi_av_composer(regs, edid);
790   -
791   - ret = hdmi_phy_init(regs, edid->pixelclock.typ);
792   - if (ret)
793   - return ret;
794   -
795   - hdmi_enable_video_path(regs);
796   -
797   - hdmi_audio_fifo_reset(regs);
798   - hdmi_audio_set_format(regs);
799   - hdmi_audio_set_samplerate(regs, edid->pixelclock.typ);
800   -
801   - hdmi_video_packetize(regs);
802   - hdmi_video_sample(regs);
803   -
804   - hdmi_clear_overflow(regs);
805   -
806   - return 0;
  80 + return dw_hdmi_enable(&priv->hdmi, edid);
807 81 }
808 82  
809 83 static int rk_hdmi_ofdata_to_platdata(struct udevice *dev)
810 84 {
811 85 struct rk_hdmi_priv *priv = dev_get_priv(dev);
  86 + struct dw_hdmi *hdmi = &priv->hdmi;
812 87  
813   - priv->regs = (struct rk3288_hdmi *)dev_get_addr(dev);
  88 + hdmi->ioaddr = (ulong)dev_get_addr(dev);
  89 + hdmi->mpll_cfg = rockchip_mpll_cfg;
  90 + hdmi->phy_cfg = rockchip_phy_config;
  91 + hdmi->i2c_clk_high = 0x7a;
  92 + hdmi->i2c_clk_low = 0x8d;
  93 +
  94 + /*
  95 + * TODO(sjg@chromium.org): The above values don't work - these ones
  96 + * work better, but generate lots of errors in the data.
  97 + */
  98 + hdmi->i2c_clk_high = 0x0d;
  99 + hdmi->i2c_clk_low = 0x0d;
  100 + hdmi->reg_io_width = 4;
  101 + hdmi->phy_set = dw_hdmi_phy_cfg;
  102 +
814 103 priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
815 104  
816 105 return 0;
... ... @@ -820,6 +109,7 @@
820 109 {
821 110 struct display_plat *uc_plat = dev_get_uclass_platdata(dev);
822 111 struct rk_hdmi_priv *priv = dev_get_priv(dev);
  112 + struct dw_hdmi *hdmi = &priv->hdmi;
823 113 struct udevice *reg;
824 114 struct clk clk;
825 115 int ret;
826 116  
... ... @@ -863,13 +153,14 @@
863 153 rk_clrsetreg(&priv->grf->soc_con6, 1 << 4,
864 154 (vop_id == 1) ? (1 << 4) : 0);
865 155  
866   - ret = hdmi_wait_for_hpd(priv->regs);
  156 + ret = dw_hdmi_phy_wait_for_hpd(hdmi);
867 157 if (ret < 0) {
868 158 debug("hdmi can not get hpd signal\n");
869 159 return -1;
870 160 }
871 161  
872   - hdmi_init_interrupt(priv->regs);
  162 + dw_hdmi_init(hdmi);
  163 + dw_hdmi_phy_init(hdmi);
873 164  
874 165 return 0;
875 166 }
drivers/video/rockchip/rk_vop.c
... ... @@ -20,7 +20,6 @@
20 20 #include <asm/arch/cru_rk3288.h>
21 21 #include <asm/arch/grf_rk3288.h>
22 22 #include <asm/arch/edp_rk3288.h>
23   -#include <asm/arch/hdmi_rk3288.h>
24 23 #include <asm/arch/vop_rk3288.h>
25 24 #include <dm/device-internal.h>
26 25 #include <dm/uclass-internal.h>
  1 +/*
  2 + * Copyright (c) 2015 Google, Inc
  3 + * Copyright 2014 Rockchip Inc.
  4 + * Copyright (C) 2011 Freescale Semiconductor, Inc.
  5 + * (C) Copyright 2017 Jernej Skrabec <jernej.skrabec@siol.net>
  6 + *
  7 + * SPDX-License-Identifier: GPL-2.0+
  8 + */
  9 +
  10 +#ifndef _DW_HDMI_H
  11 +#define _DW_HDMI_H
  12 +
  13 +#include <edid.h>
  14 +
  15 +#define HDMI_EDID_BLOCK_SIZE 128
  16 +
  17 +/* Identification Registers */
  18 +#define HDMI_DESIGN_ID 0x0000
  19 +#define HDMI_REVISION_ID 0x0001
  20 +#define HDMI_PRODUCT_ID0 0x0002
  21 +#define HDMI_PRODUCT_ID1 0x0003
  22 +#define HDMI_CONFIG0_ID 0x0004
  23 +#define HDMI_CONFIG1_ID 0x0005
  24 +#define HDMI_CONFIG2_ID 0x0006
  25 +#define HDMI_CONFIG3_ID 0x0007
  26 +
  27 +/* Interrupt Registers */
  28 +#define HDMI_IH_FC_STAT0 0x0100
  29 +#define HDMI_IH_FC_STAT1 0x0101
  30 +#define HDMI_IH_FC_STAT2 0x0102
  31 +#define HDMI_IH_AS_STAT0 0x0103
  32 +#define HDMI_IH_PHY_STAT0 0x0104
  33 +#define HDMI_IH_I2CM_STAT0 0x0105
  34 +#define HDMI_IH_CEC_STAT0 0x0106
  35 +#define HDMI_IH_VP_STAT0 0x0107
  36 +#define HDMI_IH_I2CMPHY_STAT0 0x0108
  37 +#define HDMI_IH_AHBDMAAUD_STAT0 0x0109
  38 +
  39 +#define HDMI_IH_MUTE_FC_STAT0 0x0180
  40 +#define HDMI_IH_MUTE_FC_STAT1 0x0181
  41 +#define HDMI_IH_MUTE_FC_STAT2 0x0182
  42 +#define HDMI_IH_MUTE_AS_STAT0 0x0183
  43 +#define HDMI_IH_MUTE_PHY_STAT0 0x0184
  44 +#define HDMI_IH_MUTE_I2CM_STAT0 0x0185
  45 +#define HDMI_IH_MUTE_CEC_STAT0 0x0186
  46 +#define HDMI_IH_MUTE_VP_STAT0 0x0187
  47 +#define HDMI_IH_MUTE_I2CMPHY_STAT0 0x0188
  48 +#define HDMI_IH_MUTE_AHBDMAAUD_STAT0 0x0189
  49 +#define HDMI_IH_MUTE 0x01FF
  50 +
  51 +/* Video Sample Registers */
  52 +#define HDMI_TX_INVID0 0x0200
  53 +#define HDMI_TX_INSTUFFING 0x0201
  54 +#define HDMI_TX_GYDATA0 0x0202
  55 +#define HDMI_TX_GYDATA1 0x0203
  56 +#define HDMI_TX_RCRDATA0 0x0204
  57 +#define HDMI_TX_RCRDATA1 0x0205
  58 +#define HDMI_TX_BCBDATA0 0x0206
  59 +#define HDMI_TX_BCBDATA1 0x0207
  60 +
  61 +/* Video Packetizer Registers */
  62 +#define HDMI_VP_STATUS 0x0800
  63 +#define HDMI_VP_PR_CD 0x0801
  64 +#define HDMI_VP_STUFF 0x0802
  65 +#define HDMI_VP_REMAP 0x0803
  66 +#define HDMI_VP_CONF 0x0804
  67 +#define HDMI_VP_STAT 0x0805
  68 +#define HDMI_VP_INT 0x0806
  69 +#define HDMI_VP_MASK 0x0807
  70 +#define HDMI_VP_POL 0x0808
  71 +
  72 +/* Frame Composer Registers */
  73 +#define HDMI_FC_INVIDCONF 0x1000
  74 +#define HDMI_FC_INHACTV0 0x1001
  75 +#define HDMI_FC_INHACTV1 0x1002
  76 +#define HDMI_FC_INHBLANK0 0x1003
  77 +#define HDMI_FC_INHBLANK1 0x1004
  78 +#define HDMI_FC_INVACTV0 0x1005
  79 +#define HDMI_FC_INVACTV1 0x1006
  80 +#define HDMI_FC_INVBLANK 0x1007
  81 +#define HDMI_FC_HSYNCINDELAY0 0x1008
  82 +#define HDMI_FC_HSYNCINDELAY1 0x1009
  83 +#define HDMI_FC_HSYNCINWIDTH0 0x100A
  84 +#define HDMI_FC_HSYNCINWIDTH1 0x100B
  85 +#define HDMI_FC_VSYNCINDELAY 0x100C
  86 +#define HDMI_FC_VSYNCINWIDTH 0x100D
  87 +#define HDMI_FC_INFREQ0 0x100E
  88 +#define HDMI_FC_INFREQ1 0x100F
  89 +#define HDMI_FC_INFREQ2 0x1010
  90 +#define HDMI_FC_CTRLDUR 0x1011
  91 +#define HDMI_FC_EXCTRLDUR 0x1012
  92 +#define HDMI_FC_EXCTRLSPAC 0x1013
  93 +#define HDMI_FC_CH0PREAM 0x1014
  94 +#define HDMI_FC_CH1PREAM 0x1015
  95 +#define HDMI_FC_CH2PREAM 0x1016
  96 +#define HDMI_FC_AVICONF3 0x1017
  97 +#define HDMI_FC_GCP 0x1018
  98 +#define HDMI_FC_AVICONF0 0x1019
  99 +#define HDMI_FC_AVICONF1 0x101A
  100 +#define HDMI_FC_AVICONF2 0x101B
  101 +#define HDMI_FC_AVIVID 0x101C
  102 +#define HDMI_FC_AVIETB0 0x101D
  103 +#define HDMI_FC_AVIETB1 0x101E
  104 +#define HDMI_FC_AVISBB0 0x101F
  105 +#define HDMI_FC_AVISBB1 0x1020
  106 +#define HDMI_FC_AVIELB0 0x1021
  107 +#define HDMI_FC_AVIELB1 0x1022
  108 +#define HDMI_FC_AVISRB0 0x1023
  109 +#define HDMI_FC_AVISRB1 0x1024
  110 +#define HDMI_FC_AUDICONF0 0x1025
  111 +#define HDMI_FC_AUDICONF1 0x1026
  112 +#define HDMI_FC_AUDICONF2 0x1027
  113 +#define HDMI_FC_AUDICONF3 0x1028
  114 +#define HDMI_FC_VSDIEEEID0 0x1029
  115 +#define HDMI_FC_VSDSIZE 0x102A
  116 +
  117 +/* HDMI Source PHY Registers */
  118 +#define HDMI_PHY_CONF0 0x3000
  119 +#define HDMI_PHY_TST0 0x3001
  120 +#define HDMI_PHY_TST1 0x3002
  121 +#define HDMI_PHY_TST2 0x3003
  122 +#define HDMI_PHY_STAT0 0x3004
  123 +#define HDMI_PHY_INT0 0x3005
  124 +#define HDMI_PHY_MASK0 0x3006
  125 +#define HDMI_PHY_POL0 0x3007
  126 +
  127 +/* HDMI Master PHY Registers */
  128 +#define HDMI_PHY_I2CM_SLAVE_ADDR 0x3020
  129 +#define HDMI_PHY_I2CM_ADDRESS_ADDR 0x3021
  130 +#define HDMI_PHY_I2CM_DATAO_1_ADDR 0x3022
  131 +#define HDMI_PHY_I2CM_DATAO_0_ADDR 0x3023
  132 +#define HDMI_PHY_I2CM_DATAI_1_ADDR 0x3024
  133 +#define HDMI_PHY_I2CM_DATAI_0_ADDR 0x3025
  134 +#define HDMI_PHY_I2CM_OPERATION_ADDR 0x3026
  135 +#define HDMI_PHY_I2CM_INT_ADDR 0x3027
  136 +#define HDMI_PHY_I2CM_CTLINT_ADDR 0x3028
  137 +#define HDMI_PHY_I2CM_DIV_ADDR 0x3029
  138 +#define HDMI_PHY_I2CM_SOFTRSTZ_ADDR 0x302a
  139 +#define HDMI_PHY_I2CM_SS_SCL_HCNT_1_ADDR 0x302b
  140 +#define HDMI_PHY_I2CM_SS_SCL_HCNT_0_ADDR 0x302c
  141 +#define HDMI_PHY_I2CM_SS_SCL_LCNT_1_ADDR 0x302d
  142 +#define HDMI_PHY_I2CM_SS_SCL_LCNT_0_ADDR 0x302e
  143 +#define HDMI_PHY_I2CM_FS_SCL_HCNT_1_ADDR 0x302f
  144 +#define HDMI_PHY_I2CM_FS_SCL_HCNT_0_ADDR 0x3030
  145 +#define HDMI_PHY_I2CM_FS_SCL_LCNT_1_ADDR 0x3031
  146 +#define HDMI_PHY_I2CM_FS_SCL_LCNT_0_ADDR 0x3032
  147 +
  148 +/* Audio Sampler Registers */
  149 +#define HDMI_AUD_CONF0 0x3100
  150 +#define HDMI_AUD_CONF1 0x3101
  151 +#define HDMI_AUD_INT 0x3102
  152 +#define HDMI_AUD_CONF2 0x3103
  153 +#define HDMI_AUD_INT1 0x3104
  154 +#define HDMI_AUD_N1 0x3200
  155 +#define HDMI_AUD_N2 0x3201
  156 +#define HDMI_AUD_N3 0x3202
  157 +#define HDMI_AUD_CTS1 0x3203
  158 +#define HDMI_AUD_CTS2 0x3204
  159 +#define HDMI_AUD_CTS3 0x3205
  160 +#define HDMI_AUD_INPUTCLKFS 0x3206
  161 +#define HDMI_AUD_SPDIFINT 0x3302
  162 +#define HDMI_AUD_CONF0_HBR 0x3400
  163 +#define HDMI_AUD_HBR_STATUS 0x3401
  164 +#define HDMI_AUD_HBR_INT 0x3402
  165 +#define HDMI_AUD_HBR_POL 0x3403
  166 +#define HDMI_AUD_HBR_MASK 0x3404
  167 +
  168 +/* Main Controller Registers */
  169 +#define HDMI_MC_SFRDIV 0x4000
  170 +#define HDMI_MC_CLKDIS 0x4001
  171 +#define HDMI_MC_SWRSTZ 0x4002
  172 +#define HDMI_MC_OPCTRL 0x4003
  173 +#define HDMI_MC_FLOWCTRL 0x4004
  174 +#define HDMI_MC_PHYRSTZ 0x4005
  175 +#define HDMI_MC_LOCKONCLOCK 0x4006
  176 +#define HDMI_MC_HEACPHY_RST 0x4007
  177 +
  178 +/* I2C Master Registers (E-DDC) */
  179 +#define HDMI_I2CM_SLAVE 0x7E00
  180 +#define HDMI_I2CM_ADDRESS 0x7E01
  181 +#define HDMI_I2CM_DATAO 0x7E02
  182 +#define HDMI_I2CM_DATAI 0x7E03
  183 +#define HDMI_I2CM_OPERATION 0x7E04
  184 +#define HDMI_I2CM_INT 0x7E05
  185 +#define HDMI_I2CM_CTLINT 0x7E06
  186 +#define HDMI_I2CM_DIV 0x7E07
  187 +#define HDMI_I2CM_SEGADDR 0x7E08
  188 +#define HDMI_I2CM_SOFTRSTZ 0x7E09
  189 +#define HDMI_I2CM_SEGPTR 0x7E0A
  190 +#define HDMI_I2CM_SS_SCL_HCNT_1_ADDR 0x7E0B
  191 +#define HDMI_I2CM_SS_SCL_HCNT_0_ADDR 0x7E0C
  192 +#define HDMI_I2CM_SS_SCL_LCNT_1_ADDR 0x7E0D
  193 +#define HDMI_I2CM_SS_SCL_LCNT_0_ADDR 0x7E0E
  194 +#define HDMI_I2CM_FS_SCL_HCNT_1_ADDR 0x7E0F
  195 +#define HDMI_I2CM_FS_SCL_HCNT_0_ADDR 0x7E10
  196 +#define HDMI_I2CM_FS_SCL_LCNT_1_ADDR 0x7E11
  197 +#define HDMI_I2CM_FS_SCL_LCNT_0_ADDR 0x7E12
  198 +#define HDMI_I2CM_BUF0 0x7E20
  199 +
  200 +enum {
  201 + /* HDMI PHY registers define */
  202 + PHY_OPMODE_PLLCFG = 0x06,
  203 + PHY_CKCALCTRL = 0x05,
  204 + PHY_CKSYMTXCTRL = 0x09,
  205 + PHY_VLEVCTRL = 0x0e,
  206 + PHY_PLLCURRCTRL = 0x10,
  207 + PHY_PLLPHBYCTRL = 0x13,
  208 + PHY_PLLGMPCTRL = 0x15,
  209 + PHY_PLLCLKBISTPHASE = 0x17,
  210 + PHY_TXTERM = 0x19,
  211 +
  212 + /* ih_phy_stat0 field values */
  213 + HDMI_IH_PHY_STAT0_HPD = 0x1,
  214 +
  215 + /* ih_mute field values */
  216 + HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT = 0x2,
  217 + HDMI_IH_MUTE_MUTE_ALL_INTERRUPT = 0x1,
  218 +
  219 + /* tx_invid0 field values */
  220 + HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_DISABLE = 0x00,
  221 + HDMI_TX_INVID0_VIDEO_MAPPING_MASK = 0x1f,
  222 + HDMI_TX_INVID0_VIDEO_MAPPING_OFFSET = 0,
  223 +
  224 + /* tx_instuffing field values */
  225 + HDMI_TX_INSTUFFING_BDBDATA_STUFFING_ENABLE = 0x4,
  226 + HDMI_TX_INSTUFFING_RCRDATA_STUFFING_ENABLE = 0x2,
  227 + HDMI_TX_INSTUFFING_GYDATA_STUFFING_ENABLE = 0x1,
  228 +
  229 + /* vp_pr_cd field values */
  230 + HDMI_VP_PR_CD_COLOR_DEPTH_MASK = 0xf0,
  231 + HDMI_VP_PR_CD_COLOR_DEPTH_OFFSET = 4,
  232 + HDMI_VP_PR_CD_DESIRED_PR_FACTOR_MASK = 0x0f,
  233 + HDMI_VP_PR_CD_DESIRED_PR_FACTOR_OFFSET = 0,
  234 +
  235 + /* vp_stuff field values */
  236 + HDMI_VP_STUFF_IDEFAULT_PHASE_MASK = 0x20,
  237 + HDMI_VP_STUFF_IDEFAULT_PHASE_OFFSET = 5,
  238 + HDMI_VP_STUFF_YCC422_STUFFING_MASK = 0x4,
  239 + HDMI_VP_STUFF_YCC422_STUFFING_STUFFING_MODE = 0x4,
  240 + HDMI_VP_STUFF_PP_STUFFING_MASK = 0x2,
  241 + HDMI_VP_STUFF_PP_STUFFING_STUFFING_MODE = 0x2,
  242 + HDMI_VP_STUFF_PR_STUFFING_MASK = 0x1,
  243 + HDMI_VP_STUFF_PR_STUFFING_STUFFING_MODE = 0x1,
  244 +
  245 + /* vp_conf field values */
  246 + HDMI_VP_CONF_BYPASS_EN_MASK = 0x40,
  247 + HDMI_VP_CONF_BYPASS_EN_ENABLE = 0x40,
  248 + HDMI_VP_CONF_PP_EN_ENMASK = 0x20,
  249 + HDMI_VP_CONF_PP_EN_DISABLE = 0x00,
  250 + HDMI_VP_CONF_PR_EN_MASK = 0x10,
  251 + HDMI_VP_CONF_PR_EN_DISABLE = 0x00,
  252 + HDMI_VP_CONF_YCC422_EN_MASK = 0x8,
  253 + HDMI_VP_CONF_YCC422_EN_DISABLE = 0x0,
  254 + HDMI_VP_CONF_BYPASS_SELECT_MASK = 0x4,
  255 + HDMI_VP_CONF_BYPASS_SELECT_VID_PACKETIZER = 0x4,
  256 + HDMI_VP_CONF_OUTPUT_SELECTOR_MASK = 0x3,
  257 + HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS = 0x3,
  258 +
  259 + /* vp_remap field values */
  260 + HDMI_VP_REMAP_YCC422_16BIT = 0x0,
  261 +
  262 + /* fc_invidconf field values */
  263 + HDMI_FC_INVIDCONF_HDCP_KEEPOUT_MASK = 0x80,
  264 + HDMI_FC_INVIDCONF_HDCP_KEEPOUT_ACTIVE = 0x80,
  265 + HDMI_FC_INVIDCONF_HDCP_KEEPOUT_INACTIVE = 0x00,
  266 + HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_MASK = 0x40,
  267 + HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_HIGH = 0x40,
  268 + HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_LOW = 0x00,
  269 + HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_MASK = 0x20,
  270 + HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_HIGH = 0x20,
  271 + HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_LOW = 0x00,
  272 + HDMI_FC_INVIDCONF_DE_IN_POLARITY_MASK = 0x10,
  273 + HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_HIGH = 0x10,
  274 + HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_LOW = 0x00,
  275 + HDMI_FC_INVIDCONF_DVI_MODEZ_MASK = 0x8,
  276 + HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE = 0x8,
  277 + HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE = 0x0,
  278 + HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_MASK = 0x2,
  279 + HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_HIGH = 0x2,
  280 + HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_LOW = 0x0,
  281 + HDMI_FC_INVIDCONF_IN_I_P_MASK = 0x1,
  282 + HDMI_FC_INVIDCONF_IN_I_P_INTERLACED = 0x1,
  283 + HDMI_FC_INVIDCONF_IN_I_P_PROGRESSIVE = 0x0,
  284 +
  285 +
  286 + /* fc_aviconf0-fc_aviconf3 field values */
  287 + HDMI_FC_AVICONF0_PIX_FMT_MASK = 0x03,
  288 + HDMI_FC_AVICONF0_PIX_FMT_RGB = 0x00,
  289 + HDMI_FC_AVICONF0_PIX_FMT_YCBCR422 = 0x01,
  290 + HDMI_FC_AVICONF0_PIX_FMT_YCBCR444 = 0x02,
  291 + HDMI_FC_AVICONF0_ACTIVE_FMT_MASK = 0x40,
  292 + HDMI_FC_AVICONF0_ACTIVE_FMT_INFO_PRESENT = 0x40,
  293 + HDMI_FC_AVICONF0_ACTIVE_FMT_NO_INFO = 0x00,
  294 + HDMI_FC_AVICONF0_BAR_DATA_MASK = 0x0c,
  295 + HDMI_FC_AVICONF0_BAR_DATA_NO_DATA = 0x00,
  296 + HDMI_FC_AVICONF0_BAR_DATA_VERT_BAR = 0x04,
  297 + HDMI_FC_AVICONF0_BAR_DATA_HORIZ_BAR = 0x08,
  298 + HDMI_FC_AVICONF0_BAR_DATA_VERT_HORIZ_BAR = 0x0c,
  299 + HDMI_FC_AVICONF0_SCAN_INFO_MASK = 0x30,
  300 + HDMI_FC_AVICONF0_SCAN_INFO_OVERSCAN = 0x10,
  301 + HDMI_FC_AVICONF0_SCAN_INFO_UNDERSCAN = 0x20,
  302 + HDMI_FC_AVICONF0_SCAN_INFO_NODATA = 0x00,
  303 +
  304 + HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_MASK = 0x0f,
  305 + HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_USE_CODED = 0x08,
  306 + HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_4_3 = 0x09,
  307 + HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_16_9 = 0x0a,
  308 + HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_14_9 = 0x0b,
  309 + HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_MASK = 0x30,
  310 + HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_NO_DATA = 0x00,
  311 + HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_4_3 = 0x10,
  312 + HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_16_9 = 0x20,
  313 + HDMI_FC_AVICONF1_COLORIMETRY_MASK = 0xc0,
  314 + HDMI_FC_AVICONF1_COLORIMETRY_NO_DATA = 0x00,
  315 + HDMI_FC_AVICONF1_COLORIMETRY_SMPTE = 0x40,
  316 + HDMI_FC_AVICONF1_COLORIMETRY_ITUR = 0x80,
  317 + HDMI_FC_AVICONF1_COLORIMETRY_EXTENDED_INFO = 0xc0,
  318 +
  319 + HDMI_FC_AVICONF2_SCALING_MASK = 0x03,
  320 + HDMI_FC_AVICONF2_SCALING_NONE = 0x00,
  321 + HDMI_FC_AVICONF2_SCALING_HORIZ = 0x01,
  322 + HDMI_FC_AVICONF2_SCALING_VERT = 0x02,
  323 + HDMI_FC_AVICONF2_SCALING_HORIZ_vert = 0x03,
  324 + HDMI_FC_AVICONF2_RGB_QUANT_MASK = 0x0c,
  325 + HDMI_FC_AVICONF2_RGB_QUANT_DEFAULT = 0x00,
  326 + HDMI_FC_AVICONF2_RGB_QUANT_LIMITED_RANGE = 0x04,
  327 + HDMI_FC_AVICONF2_RGB_QUANT_FULL_RANGE = 0x08,
  328 + HDMI_FC_AVICONF2_EXT_COLORIMETRY_MASK = 0x70,
  329 + HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601 = 0x00,
  330 + HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC709 = 0x10,
  331 + HDMI_FC_AVICONF2_EXT_COLORIMETRY_SYCC601 = 0x20,
  332 + HDMI_FC_AVICONF2_EXT_COLORIMETRY_ADOBE_YCC601 = 0x30,
  333 + HDMI_FC_AVICONF2_EXT_COLORIMETRY_ADOBE_RGB = 0x40,
  334 + HDMI_FC_AVICONF2_IT_CONTENT_MASK = 0x80,
  335 + HDMI_FC_AVICONF2_IT_CONTENT_NO_DATA = 0x00,
  336 + HDMI_FC_AVICONF2_IT_CONTENT_VALID = 0x80,
  337 +
  338 + HDMI_FC_AVICONF3_IT_CONTENT_TYPE_MASK = 0x03,
  339 + HDMI_FC_AVICONF3_IT_CONTENT_TYPE_GRAPHICS = 0x00,
  340 + HDMI_FC_AVICONF3_IT_CONTENT_TYPE_PHOTO = 0x01,
  341 + HDMI_FC_AVICONF3_IT_CONTENT_TYPE_CINEMA = 0x02,
  342 + HDMI_FC_AVICONF3_IT_CONTENT_TYPE_GAME = 0x03,
  343 + HDMI_FC_AVICONF3_QUANT_RANGE_MASK = 0x0c,
  344 + HDMI_FC_AVICONF3_QUANT_RANGE_LIMITED = 0x00,
  345 + HDMI_FC_AVICONF3_QUANT_RANGE_FULL = 0x04,
  346 +
  347 + /* fc_gcp field values*/
  348 + HDMI_FC_GCP_SET_AVMUTE = 0x02,
  349 + HDMI_FC_GCP_CLEAR_AVMUTE = 0x01,
  350 +
  351 + /* phy_conf0 field values */
  352 + HDMI_PHY_CONF0_PDZ_MASK = 0x80,
  353 + HDMI_PHY_CONF0_PDZ_OFFSET = 7,
  354 + HDMI_PHY_CONF0_ENTMDS_MASK = 0x40,
  355 + HDMI_PHY_CONF0_ENTMDS_OFFSET = 6,
  356 + HDMI_PHY_CONF0_SPARECTRL_MASK = 0x20,
  357 + HDMI_PHY_CONF0_SPARECTRL_OFFSET = 5,
  358 + HDMI_PHY_CONF0_GEN2_PDDQ_MASK = 0x10,
  359 + HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET = 4,
  360 + HDMI_PHY_CONF0_GEN2_TXPWRON_MASK = 0x8,
  361 + HDMI_PHY_CONF0_GEN2_TXPWRON_OFFSET = 3,
  362 + HDMI_PHY_CONF0_SELDATAENPOL_MASK = 0x2,
  363 + HDMI_PHY_CONF0_SELDATAENPOL_OFFSET = 1,
  364 + HDMI_PHY_CONF0_SELDIPIF_MASK = 0x1,
  365 + HDMI_PHY_CONF0_SELDIPIF_OFFSET = 0,
  366 +
  367 + /* phy_tst0 field values */
  368 + HDMI_PHY_TST0_TSTCLR_MASK = 0x20,
  369 + HDMI_PHY_TST0_TSTCLR_OFFSET = 5,
  370 +
  371 + /* phy_stat0 field values */
  372 + HDMI_PHY_HPD = 0x02,
  373 + HDMI_PHY_TX_PHY_LOCK = 0x01,
  374 +
  375 + /* phy_i2cm_slave_addr field values */
  376 + HDMI_PHY_I2CM_SLAVE_ADDR_PHY_GEN2 = 0x69,
  377 +
  378 + /* phy_i2cm_operation_addr field values */
  379 + HDMI_PHY_I2CM_OPERATION_ADDR_WRITE = 0x10,
  380 +
  381 + /* hdmi_phy_i2cm_int_addr */
  382 + HDMI_PHY_I2CM_INT_ADDR_DONE_POL = 0x08,
  383 +
  384 + /* hdmi_phy_i2cm_ctlint_addr */
  385 + HDMI_PHY_I2CM_CTLINT_ADDR_NAC_POL = 0x80,
  386 + HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL = 0x08,
  387 +
  388 + /* aud_conf0 field values */
  389 + HDMI_AUD_CONF0_SW_AUDIO_FIFO_RST = 0x80,
  390 + HDMI_AUD_CONF0_I2S_SELECT = 0x20,
  391 + HDMI_AUD_CONF0_I2S_IN_EN_0 = 0x01,
  392 + HDMI_AUD_CONF0_I2S_IN_EN_1 = 0x02,
  393 + HDMI_AUD_CONF0_I2S_IN_EN_2 = 0x04,
  394 + HDMI_AUD_CONF0_I2S_IN_EN_3 = 0x08,
  395 +
  396 + /* aud_conf0 field values */
  397 + HDMI_AUD_CONF1_I2S_MODE_STANDARD_MODE = 0x0,
  398 + HDMI_AUD_CONF1_I2S_WIDTH_16BIT = 0x10,
  399 +
  400 + /* aud_n3 field values */
  401 + HDMI_AUD_N3_NCTS_ATOMIC_WRITE = 0x80,
  402 + HDMI_AUD_N3_AUDN19_16_MASK = 0x0f,
  403 +
  404 + /* aud_cts3 field values */
  405 + HDMI_AUD_CTS3_N_SHIFT_OFFSET = 5,
  406 + HDMI_AUD_CTS3_N_SHIFT_MASK = 0xe0,
  407 + HDMI_AUD_CTS3_N_SHIFT_1 = 0,
  408 + HDMI_AUD_CTS3_N_SHIFT_16 = 0x20,
  409 + HDMI_AUD_CTS3_N_SHIFT_32 = 0x40,
  410 + HDMI_AUD_CTS3_N_SHIFT_64 = 0x60,
  411 + HDMI_AUD_CTS3_N_SHIFT_128 = 0x80,
  412 + HDMI_AUD_CTS3_N_SHIFT_256 = 0xa0,
  413 + HDMI_AUD_CTS3_CTS_MANUAL = 0x10,
  414 + HDMI_AUD_CTS3_AUDCTS19_16_MASK = 0x0f,
  415 +
  416 + /* aud_inputclkfs filed values */
  417 + HDMI_AUD_INPUTCLKFS_128 = 0x0,
  418 +
  419 + /* mc_clkdis field values */
  420 + HDMI_MC_CLKDIS_AUDCLK_DISABLE = 0x8,
  421 + HDMI_MC_CLKDIS_TMDSCLK_DISABLE = 0x2,
  422 + HDMI_MC_CLKDIS_PIXELCLK_DISABLE = 0x1,
  423 +
  424 + /* mc_swrstz field values */
  425 + HDMI_MC_SWRSTZ_II2SSWRST_REQ = 0x08,
  426 + HDMI_MC_SWRSTZ_TMDSSWRST_REQ = 0x02,
  427 +
  428 + /* mc_flowctrl field values */
  429 + HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH = 0x1,
  430 + HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS = 0x0,
  431 +
  432 + /* mc_phyrstz field values */
  433 + HDMI_MC_PHYRSTZ_ASSERT = 0x0,
  434 + HDMI_MC_PHYRSTZ_DEASSERT = 0x1,
  435 +
  436 + /* mc_heacphy_rst field values */
  437 + HDMI_MC_HEACPHY_RST_ASSERT = 0x1,
  438 +
  439 + /* i2cm filed values */
  440 + HDMI_I2CM_SLAVE_DDC_ADDR = 0x50,
  441 + HDMI_I2CM_SEGADDR_DDC = 0x30,
  442 + HDMI_I2CM_OP_RD8_EXT = 0x2,
  443 + HDMI_I2CM_OP_RD8 = 0x1,
  444 + HDMI_I2CM_DIV_FAST_STD_MODE = 0x8,
  445 + HDMI_I2CM_DIV_FAST_MODE = 0x8,
  446 + HDMI_I2CM_DIV_STD_MODE = 0x0,
  447 + HDMI_I2CM_SOFTRSTZ_MASK = 0x1,
  448 +};
  449 +
  450 +struct hdmi_mpll_config {
  451 + u64 mpixelclock;
  452 + /* Mode of Operation and PLL Dividers Control Register */
  453 + u32 cpce;
  454 + /* PLL Gmp Control Register */
  455 + u32 gmp;
  456 + /* PLL Current Control Register */
  457 + u32 curr;
  458 +};
  459 +
  460 +struct hdmi_phy_config {
  461 + u64 mpixelclock;
  462 + u32 sym_ctr; /* clock symbol and transmitter control */
  463 + u32 term; /* transmission termination value */
  464 + u32 vlev_ctr; /* voltage level control */
  465 +};
  466 +
  467 +struct dw_hdmi {
  468 + ulong ioaddr;
  469 + const struct hdmi_mpll_config *mpll_cfg;
  470 + const struct hdmi_phy_config *phy_cfg;
  471 + u8 i2c_clk_high;
  472 + u8 i2c_clk_low;
  473 + u8 reg_io_width;
  474 +
  475 + int (*phy_set)(struct dw_hdmi *hdmi, uint mpixelclock);
  476 +};
  477 +
  478 +int dw_hdmi_phy_cfg(struct dw_hdmi *hdmi, uint mpixelclock);
  479 +int dw_hdmi_phy_wait_for_hpd(struct dw_hdmi *hdmi);
  480 +void dw_hdmi_phy_init(struct dw_hdmi *hdmi);
  481 +
  482 +int dw_hdmi_enable(struct dw_hdmi *hdmi, const struct display_timing *edid);
  483 +int dw_hdmi_read_edid(struct dw_hdmi *hdmi, u8 *buf, int buf_size);
  484 +void dw_hdmi_init(struct dw_hdmi *hdmi);
  485 +
  486 +#endif