2 * OMAP5 HDMI CORE IP driver library
4 * Copyright (C) 2014 Texas Instruments Incorporated
9 * Archit Taneja <archit@ti.com>
10 * Tomi Valkeinen <tomi.valkeinen@ti.com>
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License version 2 as published by
14 * the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
21 * You should have received a copy of the GNU General Public License along with
22 * this program. If not, see <http://www.gnu.org/licenses/>.
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/err.h>
29 #include <linux/delay.h>
30 #include <linux/string.h>
31 #include <linux/seq_file.h>
32 #include <drm/drm_edid.h>
33 #if defined(CONFIG_OMAP5_DSS_HDMI_AUDIO)
34 #include <sound/asound.h>
35 #include <sound/asoundef.h>
38 #include "hdmi5_core.h"
40 /* only 24 bit color depth used for now */
41 static const struct csc_table csc_table_deepcolor
[] = {
42 /* HDMI_DEEP_COLOR_24BIT */
43 [0] = { 7036, 0, 0, 32, 0, 7036, 0, 32, 0, 0, 7036, 32, },
44 /* HDMI_DEEP_COLOR_30BIT */
45 [1] = { 7015, 0, 0, 128, 0, 7015, 0, 128, 0, 0, 7015, 128, },
46 /* HDMI_DEEP_COLOR_36BIT */
47 [2] = { 7010, 0, 0, 512, 0, 7010, 0, 512, 0, 0, 7010, 512, },
49 [3] = { 8192, 0, 0, 0, 0, 8192, 0, 0, 0, 0, 8192, 0, },
52 static void hdmi_core_ddc_init(struct hdmi_core_data
*core
)
54 void __iomem
*base
= core
->base
;
55 const unsigned long long iclk
= 266000000; /* DSS L3 ICLK */
56 const unsigned ss_scl_high
= 4000; /* ns */
57 const unsigned ss_scl_low
= 4700; /* ns */
58 const unsigned fs_scl_high
= 600; /* ns */
59 const unsigned fs_scl_low
= 1300; /* ns */
60 const unsigned sda_hold
= 300; /* ns */
61 const unsigned sfr_div
= 10;
62 unsigned long long sfr
;
65 sfr
= iclk
/ sfr_div
; /* SFR_DIV */
66 sfr
/= 1000; /* SFR clock in kHz */
69 REG_FLD_MOD(base
, HDMI_CORE_I2CM_SOFTRSTZ
, 0, 0, 0);
70 if (hdmi_wait_for_bit_change(base
, HDMI_CORE_I2CM_SOFTRSTZ
,
72 DSSERR("HDMI I2CM reset failed\n");
74 /* Standard (0) or Fast (1) Mode */
75 REG_FLD_MOD(base
, HDMI_CORE_I2CM_DIV
, 0, 3, 3);
77 /* Standard Mode SCL High counter */
78 v
= DIV_ROUND_UP_ULL(ss_scl_high
* sfr
, 1000000);
79 REG_FLD_MOD(base
, HDMI_CORE_I2CM_SS_SCL_HCNT_1_ADDR
,
80 (v
>> 8) & 0xff, 7, 0);
81 REG_FLD_MOD(base
, HDMI_CORE_I2CM_SS_SCL_HCNT_0_ADDR
,
84 /* Standard Mode SCL Low counter */
85 v
= DIV_ROUND_UP_ULL(ss_scl_low
* sfr
, 1000000);
86 REG_FLD_MOD(base
, HDMI_CORE_I2CM_SS_SCL_LCNT_1_ADDR
,
87 (v
>> 8) & 0xff, 7, 0);
88 REG_FLD_MOD(base
, HDMI_CORE_I2CM_SS_SCL_LCNT_0_ADDR
,
91 /* Fast Mode SCL High Counter */
92 v
= DIV_ROUND_UP_ULL(fs_scl_high
* sfr
, 1000000);
93 REG_FLD_MOD(base
, HDMI_CORE_I2CM_FS_SCL_HCNT_1_ADDR
,
94 (v
>> 8) & 0xff, 7, 0);
95 REG_FLD_MOD(base
, HDMI_CORE_I2CM_FS_SCL_HCNT_0_ADDR
,
98 /* Fast Mode SCL Low Counter */
99 v
= DIV_ROUND_UP_ULL(fs_scl_low
* sfr
, 1000000);
100 REG_FLD_MOD(base
, HDMI_CORE_I2CM_FS_SCL_LCNT_1_ADDR
,
101 (v
>> 8) & 0xff, 7, 0);
102 REG_FLD_MOD(base
, HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR
,
106 v
= DIV_ROUND_UP_ULL(sda_hold
* sfr
, 1000000);
107 REG_FLD_MOD(base
, HDMI_CORE_I2CM_SDA_HOLD_ADDR
, v
& 0xff, 7, 0);
109 REG_FLD_MOD(base
, HDMI_CORE_I2CM_SLAVE
, 0x50, 6, 0);
110 REG_FLD_MOD(base
, HDMI_CORE_I2CM_SEGADDR
, 0x30, 6, 0);
112 /* NACK_POL to high */
113 REG_FLD_MOD(base
, HDMI_CORE_I2CM_CTLINT
, 0x1, 7, 7);
115 /* NACK_MASK to unmasked */
116 REG_FLD_MOD(base
, HDMI_CORE_I2CM_CTLINT
, 0x0, 6, 6);
118 /* ARBITRATION_POL to high */
119 REG_FLD_MOD(base
, HDMI_CORE_I2CM_CTLINT
, 0x1, 3, 3);
121 /* ARBITRATION_MASK to unmasked */
122 REG_FLD_MOD(base
, HDMI_CORE_I2CM_CTLINT
, 0x0, 2, 2);
124 /* DONE_POL to high */
125 REG_FLD_MOD(base
, HDMI_CORE_I2CM_INT
, 0x1, 3, 3);
127 /* DONE_MASK to unmasked */
128 REG_FLD_MOD(base
, HDMI_CORE_I2CM_INT
, 0x0, 2, 2);
131 static void hdmi_core_ddc_uninit(struct hdmi_core_data
*core
)
133 void __iomem
*base
= core
->base
;
135 /* Mask I2C interrupts */
136 REG_FLD_MOD(base
, HDMI_CORE_I2CM_CTLINT
, 0x1, 6, 6);
137 REG_FLD_MOD(base
, HDMI_CORE_I2CM_CTLINT
, 0x1, 2, 2);
138 REG_FLD_MOD(base
, HDMI_CORE_I2CM_INT
, 0x1, 2, 2);
141 static int hdmi_core_ddc_edid(struct hdmi_core_data
*core
, u8
*pedid
, u8 ext
)
143 void __iomem
*base
= core
->base
;
146 const int retries
= 1000;
147 u8 seg_ptr
= ext
/ 2;
148 u8 edidbase
= ((ext
% 2) * 0x80);
150 REG_FLD_MOD(base
, HDMI_CORE_I2CM_SEGPTR
, seg_ptr
, 7, 0);
153 * TODO: We use polling here, although we probably should use proper
156 for (cur_addr
= 0; cur_addr
< 128; ++cur_addr
) {
159 /* clear ERROR and DONE */
160 REG_FLD_MOD(base
, HDMI_CORE_IH_I2CM_STAT0
, 0x3, 1, 0);
162 REG_FLD_MOD(base
, HDMI_CORE_I2CM_ADDRESS
,
163 edidbase
+ cur_addr
, 7, 0);
166 REG_FLD_MOD(base
, HDMI_CORE_I2CM_OPERATION
, 1, 1, 1);
168 REG_FLD_MOD(base
, HDMI_CORE_I2CM_OPERATION
, 1, 0, 0);
170 for (i
= 0; i
< retries
; ++i
) {
173 stat
= REG_GET(base
, HDMI_CORE_IH_I2CM_STAT0
, 1, 0);
177 DSSERR("HDMI I2C Master Error\n");
185 usleep_range(250, 1000);
189 DSSERR("HDMI I2C timeout reading EDID\n");
193 pedid
[cur_addr
] = REG_GET(base
, HDMI_CORE_I2CM_DATAI
, 7, 0);
194 checksum
+= pedid
[cur_addr
];
201 int hdmi5_read_edid(struct hdmi_core_data
*core
, u8
*edid
, int len
)
204 int max_ext_blocks
= (len
/ 128) - 1;
209 hdmi_core_ddc_init(core
);
211 r
= hdmi_core_ddc_edid(core
, edid
, 0);
217 if (n
> max_ext_blocks
)
220 for (i
= 1; i
<= n
; i
++) {
221 r
= hdmi_core_ddc_edid(core
, edid
+ i
* EDID_LENGTH
, i
);
227 hdmi_core_ddc_uninit(core
);
232 void hdmi5_core_dump(struct hdmi_core_data
*core
, struct seq_file
*s
)
235 #define DUMPCORE(r) seq_printf(s, "%-35s %08x\n", #r,\
236 hdmi_read_reg(core->base, r))
238 DUMPCORE(HDMI_CORE_FC_INVIDCONF
);
239 DUMPCORE(HDMI_CORE_FC_INHACTIV0
);
240 DUMPCORE(HDMI_CORE_FC_INHACTIV1
);
241 DUMPCORE(HDMI_CORE_FC_INHBLANK0
);
242 DUMPCORE(HDMI_CORE_FC_INHBLANK1
);
243 DUMPCORE(HDMI_CORE_FC_INVACTIV0
);
244 DUMPCORE(HDMI_CORE_FC_INVACTIV1
);
245 DUMPCORE(HDMI_CORE_FC_INVBLANK
);
246 DUMPCORE(HDMI_CORE_FC_HSYNCINDELAY0
);
247 DUMPCORE(HDMI_CORE_FC_HSYNCINDELAY1
);
248 DUMPCORE(HDMI_CORE_FC_HSYNCINWIDTH0
);
249 DUMPCORE(HDMI_CORE_FC_HSYNCINWIDTH1
);
250 DUMPCORE(HDMI_CORE_FC_VSYNCINDELAY
);
251 DUMPCORE(HDMI_CORE_FC_VSYNCINWIDTH
);
252 DUMPCORE(HDMI_CORE_FC_CTRLDUR
);
253 DUMPCORE(HDMI_CORE_FC_EXCTRLDUR
);
254 DUMPCORE(HDMI_CORE_FC_EXCTRLSPAC
);
255 DUMPCORE(HDMI_CORE_FC_CH0PREAM
);
256 DUMPCORE(HDMI_CORE_FC_CH1PREAM
);
257 DUMPCORE(HDMI_CORE_FC_CH2PREAM
);
258 DUMPCORE(HDMI_CORE_FC_AVICONF0
);
259 DUMPCORE(HDMI_CORE_FC_AVICONF1
);
260 DUMPCORE(HDMI_CORE_FC_AVICONF2
);
261 DUMPCORE(HDMI_CORE_FC_AVIVID
);
262 DUMPCORE(HDMI_CORE_FC_PRCONF
);
264 DUMPCORE(HDMI_CORE_MC_CLKDIS
);
265 DUMPCORE(HDMI_CORE_MC_SWRSTZREQ
);
266 DUMPCORE(HDMI_CORE_MC_FLOWCTRL
);
267 DUMPCORE(HDMI_CORE_MC_PHYRSTZ
);
268 DUMPCORE(HDMI_CORE_MC_LOCKONCLOCK
);
270 DUMPCORE(HDMI_CORE_I2CM_SLAVE
);
271 DUMPCORE(HDMI_CORE_I2CM_ADDRESS
);
272 DUMPCORE(HDMI_CORE_I2CM_DATAO
);
273 DUMPCORE(HDMI_CORE_I2CM_DATAI
);
274 DUMPCORE(HDMI_CORE_I2CM_OPERATION
);
275 DUMPCORE(HDMI_CORE_I2CM_INT
);
276 DUMPCORE(HDMI_CORE_I2CM_CTLINT
);
277 DUMPCORE(HDMI_CORE_I2CM_DIV
);
278 DUMPCORE(HDMI_CORE_I2CM_SEGADDR
);
279 DUMPCORE(HDMI_CORE_I2CM_SOFTRSTZ
);
280 DUMPCORE(HDMI_CORE_I2CM_SEGPTR
);
281 DUMPCORE(HDMI_CORE_I2CM_SS_SCL_HCNT_1_ADDR
);
282 DUMPCORE(HDMI_CORE_I2CM_SS_SCL_HCNT_0_ADDR
);
283 DUMPCORE(HDMI_CORE_I2CM_SS_SCL_LCNT_1_ADDR
);
284 DUMPCORE(HDMI_CORE_I2CM_SS_SCL_LCNT_0_ADDR
);
285 DUMPCORE(HDMI_CORE_I2CM_FS_SCL_HCNT_1_ADDR
);
286 DUMPCORE(HDMI_CORE_I2CM_FS_SCL_HCNT_0_ADDR
);
287 DUMPCORE(HDMI_CORE_I2CM_FS_SCL_LCNT_1_ADDR
);
288 DUMPCORE(HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR
);
289 DUMPCORE(HDMI_CORE_I2CM_SDA_HOLD_ADDR
);
292 static void hdmi_core_init(struct hdmi_core_vid_config
*video_cfg
,
293 struct hdmi_config
*cfg
)
295 DSSDBG("hdmi_core_init\n");
298 video_cfg
->data_enable_pol
= 1; /* It is always 1*/
299 video_cfg
->v_fc_config
.timings
.hsync_level
= cfg
->timings
.hsync_level
;
300 video_cfg
->v_fc_config
.timings
.x_res
= cfg
->timings
.x_res
;
301 video_cfg
->v_fc_config
.timings
.hsw
= cfg
->timings
.hsw
- 1;
302 video_cfg
->v_fc_config
.timings
.hbp
= cfg
->timings
.hbp
;
303 video_cfg
->v_fc_config
.timings
.hfp
= cfg
->timings
.hfp
;
304 video_cfg
->hblank
= cfg
->timings
.hfp
+
305 cfg
->timings
.hbp
+ cfg
->timings
.hsw
- 1;
306 video_cfg
->v_fc_config
.timings
.vsync_level
= cfg
->timings
.vsync_level
;
307 video_cfg
->v_fc_config
.timings
.y_res
= cfg
->timings
.y_res
;
308 video_cfg
->v_fc_config
.timings
.vsw
= cfg
->timings
.vsw
;
309 video_cfg
->v_fc_config
.timings
.vfp
= cfg
->timings
.vfp
;
310 video_cfg
->v_fc_config
.timings
.vbp
= cfg
->timings
.vbp
;
311 video_cfg
->vblank_osc
= 0; /* Always 0 - need to confirm */
312 video_cfg
->vblank
= cfg
->timings
.vsw
+
313 cfg
->timings
.vfp
+ cfg
->timings
.vbp
;
314 video_cfg
->v_fc_config
.cm
.mode
= cfg
->cm
.mode
;
315 video_cfg
->v_fc_config
.timings
.interlace
= cfg
->timings
.interlace
;
318 /* DSS_HDMI_CORE_VIDEO_CONFIG */
319 static void hdmi_core_video_config(struct hdmi_core_data
*core
,
320 struct hdmi_core_vid_config
*cfg
)
322 void __iomem
*base
= core
->base
;
324 bool vsync_pol
, hsync_pol
;
327 cfg
->v_fc_config
.timings
.vsync_level
== OMAPDSS_SIG_ACTIVE_HIGH
;
329 cfg
->v_fc_config
.timings
.hsync_level
== OMAPDSS_SIG_ACTIVE_HIGH
;
331 /* Set hsync, vsync and data-enable polarity */
332 r
= hdmi_read_reg(base
, HDMI_CORE_FC_INVIDCONF
);
333 r
= FLD_MOD(r
, vsync_pol
, 6, 6);
334 r
= FLD_MOD(r
, hsync_pol
, 5, 5);
335 r
= FLD_MOD(r
, cfg
->data_enable_pol
, 4, 4);
336 r
= FLD_MOD(r
, cfg
->vblank_osc
, 1, 1);
337 r
= FLD_MOD(r
, cfg
->v_fc_config
.timings
.interlace
, 0, 0);
338 hdmi_write_reg(base
, HDMI_CORE_FC_INVIDCONF
, r
);
340 /* set x resolution */
341 REG_FLD_MOD(base
, HDMI_CORE_FC_INHACTIV1
,
342 cfg
->v_fc_config
.timings
.x_res
>> 8, 4, 0);
343 REG_FLD_MOD(base
, HDMI_CORE_FC_INHACTIV0
,
344 cfg
->v_fc_config
.timings
.x_res
& 0xFF, 7, 0);
346 /* set y resolution */
347 REG_FLD_MOD(base
, HDMI_CORE_FC_INVACTIV1
,
348 cfg
->v_fc_config
.timings
.y_res
>> 8, 4, 0);
349 REG_FLD_MOD(base
, HDMI_CORE_FC_INVACTIV0
,
350 cfg
->v_fc_config
.timings
.y_res
& 0xFF, 7, 0);
352 /* set horizontal blanking pixels */
353 REG_FLD_MOD(base
, HDMI_CORE_FC_INHBLANK1
, cfg
->hblank
>> 8, 4, 0);
354 REG_FLD_MOD(base
, HDMI_CORE_FC_INHBLANK0
, cfg
->hblank
& 0xFF, 7, 0);
356 /* set vertial blanking pixels */
357 REG_FLD_MOD(base
, HDMI_CORE_FC_INVBLANK
, cfg
->vblank
, 7, 0);
359 /* set horizontal sync offset */
360 REG_FLD_MOD(base
, HDMI_CORE_FC_HSYNCINDELAY1
,
361 cfg
->v_fc_config
.timings
.hfp
>> 8, 4, 0);
362 REG_FLD_MOD(base
, HDMI_CORE_FC_HSYNCINDELAY0
,
363 cfg
->v_fc_config
.timings
.hfp
& 0xFF, 7, 0);
365 /* set vertical sync offset */
366 REG_FLD_MOD(base
, HDMI_CORE_FC_VSYNCINDELAY
,
367 cfg
->v_fc_config
.timings
.vfp
, 7, 0);
369 /* set horizontal sync pulse width */
370 REG_FLD_MOD(base
, HDMI_CORE_FC_HSYNCINWIDTH1
,
371 (cfg
->v_fc_config
.timings
.hsw
>> 8), 1, 0);
372 REG_FLD_MOD(base
, HDMI_CORE_FC_HSYNCINWIDTH0
,
373 cfg
->v_fc_config
.timings
.hsw
& 0xFF, 7, 0);
375 /* set vertical sync pulse width */
376 REG_FLD_MOD(base
, HDMI_CORE_FC_VSYNCINWIDTH
,
377 cfg
->v_fc_config
.timings
.vsw
, 5, 0);
379 /* select DVI mode */
380 REG_FLD_MOD(base
, HDMI_CORE_FC_INVIDCONF
,
381 cfg
->v_fc_config
.cm
.mode
, 3, 3);
384 static void hdmi_core_config_video_packetizer(struct hdmi_core_data
*core
)
386 void __iomem
*base
= core
->base
;
387 int clr_depth
= 0; /* 24 bit color depth */
390 REG_FLD_MOD(base
, HDMI_CORE_VP_PR_CD
, clr_depth
, 7, 4);
392 REG_FLD_MOD(base
, HDMI_CORE_VP_CONF
, clr_depth
? 0 : 1, 6, 6);
394 REG_FLD_MOD(base
, HDMI_CORE_VP_CONF
, clr_depth
? 1 : 0, 5, 5);
396 REG_FLD_MOD(base
, HDMI_CORE_VP_CONF
, 0, 3, 3);
398 REG_FLD_MOD(base
, HDMI_CORE_VP_STUFF
, clr_depth
? 1 : 0, 1, 1);
399 /* YCC422_STUFFING */
400 REG_FLD_MOD(base
, HDMI_CORE_VP_STUFF
, 1, 2, 2);
401 /* OUTPUT_SELECTOR */
402 REG_FLD_MOD(base
, HDMI_CORE_VP_CONF
, clr_depth
? 0 : 2, 1, 0);
405 static void hdmi_core_config_csc(struct hdmi_core_data
*core
)
407 int clr_depth
= 0; /* 24 bit color depth */
410 REG_FLD_MOD(core
->base
, HDMI_CORE_CSC_SCALE
, clr_depth
, 7, 4);
413 static void hdmi_core_config_video_sampler(struct hdmi_core_data
*core
)
415 int video_mapping
= 1; /* for 24 bit color depth */
418 REG_FLD_MOD(core
->base
, HDMI_CORE_TX_INVID0
, video_mapping
, 4, 0);
421 static void hdmi_core_aux_infoframe_avi_config(struct hdmi_core_data
*core
)
423 struct hdmi_avi_infoframe
*frame
= &core
->avi_infoframe
;
424 void __iomem
*base
= core
->base
;
425 u8 data
[HDMI_INFOFRAME_SIZE(AVI
)];
429 unsigned itc
, ec
, q
, sc
;
433 hdmi_avi_infoframe_pack(frame
, data
, sizeof(data
));
435 ptr
= data
+ HDMI_INFOFRAME_HEADER_SIZE
;
437 y
= (ptr
[0] >> 5) & 0x3;
438 a
= (ptr
[0] >> 4) & 0x1;
439 b
= (ptr
[0] >> 2) & 0x3;
440 s
= (ptr
[0] >> 0) & 0x3;
442 c
= (ptr
[1] >> 6) & 0x3;
443 m
= (ptr
[1] >> 4) & 0x3;
444 r
= (ptr
[1] >> 0) & 0x3;
446 itc
= (ptr
[2] >> 7) & 0x1;
447 ec
= (ptr
[2] >> 4) & 0x7;
448 q
= (ptr
[2] >> 2) & 0x3;
449 sc
= (ptr
[2] >> 0) & 0x3;
453 yq
= (ptr
[4] >> 6) & 0x3;
454 cn
= (ptr
[4] >> 4) & 0x3;
455 pr
= (ptr
[4] >> 0) & 0xf;
457 hdmi_write_reg(base
, HDMI_CORE_FC_AVICONF0
,
458 (a
<< 6) | (s
<< 4) | (b
<< 2) | (y
<< 0));
460 hdmi_write_reg(base
, HDMI_CORE_FC_AVICONF1
,
461 (c
<< 6) | (m
<< 4) | (r
<< 0));
463 hdmi_write_reg(base
, HDMI_CORE_FC_AVICONF2
,
464 (itc
<< 7) | (ec
<< 4) | (q
<< 2) | (sc
<< 0));
466 hdmi_write_reg(base
, HDMI_CORE_FC_AVIVID
, vic
);
468 hdmi_write_reg(base
, HDMI_CORE_FC_AVICONF3
,
469 (yq
<< 2) | (cn
<< 0));
471 REG_FLD_MOD(base
, HDMI_CORE_FC_PRCONF
, pr
, 3, 0);
474 static void hdmi_core_csc_config(struct hdmi_core_data
*core
,
475 struct csc_table csc_coeff
)
477 void __iomem
*base
= core
->base
;
479 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_A1_MSB
, csc_coeff
.a1
>> 8 , 6, 0);
480 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_A1_LSB
, csc_coeff
.a1
, 7, 0);
481 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_A2_MSB
, csc_coeff
.a2
>> 8, 6, 0);
482 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_A2_LSB
, csc_coeff
.a2
, 7, 0);
483 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_A3_MSB
, csc_coeff
.a3
>> 8, 6, 0);
484 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_A3_LSB
, csc_coeff
.a3
, 7, 0);
485 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_A4_MSB
, csc_coeff
.a4
>> 8, 6, 0);
486 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_A4_LSB
, csc_coeff
.a4
, 7, 0);
487 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_B1_MSB
, csc_coeff
.b1
>> 8, 6, 0);
488 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_B1_LSB
, csc_coeff
.b1
, 7, 0);
489 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_B2_MSB
, csc_coeff
.b2
>> 8, 6, 0);
490 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_B2_LSB
, csc_coeff
.b2
, 7, 0);
491 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_B3_MSB
, csc_coeff
.b3
>> 8, 6, 0);
492 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_B3_LSB
, csc_coeff
.b3
, 7, 0);
493 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_B4_MSB
, csc_coeff
.b4
>> 8, 6, 0);
494 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_B4_LSB
, csc_coeff
.b4
, 7, 0);
495 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_C1_MSB
, csc_coeff
.c1
>> 8, 6, 0);
496 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_C1_LSB
, csc_coeff
.c1
, 7, 0);
497 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_C2_MSB
, csc_coeff
.c2
>> 8, 6, 0);
498 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_C2_LSB
, csc_coeff
.c2
, 7, 0);
499 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_C3_MSB
, csc_coeff
.c3
>> 8, 6, 0);
500 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_C3_LSB
, csc_coeff
.c3
, 7, 0);
501 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_C4_MSB
, csc_coeff
.c4
>> 8, 6, 0);
502 REG_FLD_MOD(base
, HDMI_CORE_CSC_COEF_C4_LSB
, csc_coeff
.c4
, 7, 0);
504 REG_FLD_MOD(base
, HDMI_CORE_MC_FLOWCTRL
, 0x1, 0, 0);
507 static void hdmi_core_configure_range(struct hdmi_core_data
*core
)
509 struct csc_table csc_coeff
= { 0 };
511 /* support limited range with 24 bit color depth for now */
512 csc_coeff
= csc_table_deepcolor
[0];
513 core
->avi_infoframe
.quantization_range
= HDMI_QUANTIZATION_RANGE_LIMITED
;
515 hdmi_core_csc_config(core
, csc_coeff
);
516 hdmi_core_aux_infoframe_avi_config(core
);
519 static void hdmi_core_enable_video_path(struct hdmi_core_data
*core
)
521 void __iomem
*base
= core
->base
;
523 DSSDBG("hdmi_core_enable_video_path\n");
525 REG_FLD_MOD(base
, HDMI_CORE_FC_CTRLDUR
, 0x0C, 7, 0);
526 REG_FLD_MOD(base
, HDMI_CORE_FC_EXCTRLDUR
, 0x20, 7, 0);
527 REG_FLD_MOD(base
, HDMI_CORE_FC_EXCTRLSPAC
, 0x01, 7, 0);
528 REG_FLD_MOD(base
, HDMI_CORE_FC_CH0PREAM
, 0x0B, 7, 0);
529 REG_FLD_MOD(base
, HDMI_CORE_FC_CH1PREAM
, 0x16, 5, 0);
530 REG_FLD_MOD(base
, HDMI_CORE_FC_CH2PREAM
, 0x21, 5, 0);
531 REG_FLD_MOD(base
, HDMI_CORE_MC_CLKDIS
, 0x00, 0, 0);
532 REG_FLD_MOD(base
, HDMI_CORE_MC_CLKDIS
, 0x00, 1, 1);
535 static void hdmi_core_mask_interrupts(struct hdmi_core_data
*core
)
537 void __iomem
*base
= core
->base
;
539 /* Master IRQ mask */
540 REG_FLD_MOD(base
, HDMI_CORE_IH_MUTE
, 0x3, 1, 0);
542 /* Mask all the interrupts in HDMI core */
544 REG_FLD_MOD(base
, HDMI_CORE_VP_MASK
, 0xff, 7, 0);
545 REG_FLD_MOD(base
, HDMI_CORE_FC_MASK0
, 0xe7, 7, 0);
546 REG_FLD_MOD(base
, HDMI_CORE_FC_MASK1
, 0xfb, 7, 0);
547 REG_FLD_MOD(base
, HDMI_CORE_FC_MASK2
, 0x3, 1, 0);
549 REG_FLD_MOD(base
, HDMI_CORE_AUD_INT
, 0x3, 3, 2);
550 REG_FLD_MOD(base
, HDMI_CORE_AUD_GP_MASK
, 0x3, 1, 0);
552 REG_FLD_MOD(base
, HDMI_CORE_CEC_MASK
, 0x7f, 6, 0);
554 REG_FLD_MOD(base
, HDMI_CORE_I2CM_CTLINT
, 0x1, 6, 6);
555 REG_FLD_MOD(base
, HDMI_CORE_I2CM_CTLINT
, 0x1, 2, 2);
556 REG_FLD_MOD(base
, HDMI_CORE_I2CM_INT
, 0x1, 2, 2);
558 REG_FLD_MOD(base
, HDMI_CORE_PHY_MASK0
, 0xf3, 7, 0);
560 REG_FLD_MOD(base
, HDMI_CORE_IH_PHY_STAT0
, 0xff, 7, 0);
562 /* Clear all the current interrupt bits */
564 REG_FLD_MOD(base
, HDMI_CORE_IH_VP_STAT0
, 0xff, 7, 0);
565 REG_FLD_MOD(base
, HDMI_CORE_IH_FC_STAT0
, 0xe7, 7, 0);
566 REG_FLD_MOD(base
, HDMI_CORE_IH_FC_STAT1
, 0xfb, 7, 0);
567 REG_FLD_MOD(base
, HDMI_CORE_IH_FC_STAT2
, 0x3, 1, 0);
569 REG_FLD_MOD(base
, HDMI_CORE_IH_AS_STAT0
, 0x7, 2, 0);
571 REG_FLD_MOD(base
, HDMI_CORE_IH_CEC_STAT0
, 0x7f, 6, 0);
573 REG_FLD_MOD(base
, HDMI_CORE_IH_I2CM_STAT0
, 0x3, 1, 0);
575 REG_FLD_MOD(base
, HDMI_CORE_IH_PHY_STAT0
, 0xff, 7, 0);
578 static void hdmi_core_enable_interrupts(struct hdmi_core_data
*core
)
580 /* Unmute interrupts */
581 REG_FLD_MOD(core
->base
, HDMI_CORE_IH_MUTE
, 0x0, 1, 0);
584 int hdmi5_core_handle_irqs(struct hdmi_core_data
*core
)
586 void __iomem
*base
= core
->base
;
588 REG_FLD_MOD(base
, HDMI_CORE_IH_FC_STAT0
, 0xff, 7, 0);
589 REG_FLD_MOD(base
, HDMI_CORE_IH_FC_STAT1
, 0xff, 7, 0);
590 REG_FLD_MOD(base
, HDMI_CORE_IH_FC_STAT2
, 0xff, 7, 0);
591 REG_FLD_MOD(base
, HDMI_CORE_IH_AS_STAT0
, 0xff, 7, 0);
592 REG_FLD_MOD(base
, HDMI_CORE_IH_PHY_STAT0
, 0xff, 7, 0);
593 REG_FLD_MOD(base
, HDMI_CORE_IH_I2CM_STAT0
, 0xff, 7, 0);
594 REG_FLD_MOD(base
, HDMI_CORE_IH_CEC_STAT0
, 0xff, 7, 0);
595 REG_FLD_MOD(base
, HDMI_CORE_IH_VP_STAT0
, 0xff, 7, 0);
596 REG_FLD_MOD(base
, HDMI_CORE_IH_I2CMPHY_STAT0
, 0xff, 7, 0);
601 void hdmi5_configure(struct hdmi_core_data
*core
, struct hdmi_wp_data
*wp
,
602 struct hdmi_config
*cfg
)
604 struct omap_video_timings video_timing
;
605 struct hdmi_video_format video_format
;
606 struct hdmi_core_vid_config v_core_cfg
;
607 struct hdmi_avi_infoframe
*avi_infoframe
= &core
->avi_infoframe
;
609 hdmi_core_mask_interrupts(core
);
611 hdmi_core_init(&v_core_cfg
, cfg
);
613 hdmi_wp_init_vid_fmt_timings(&video_format
, &video_timing
, cfg
);
615 hdmi_wp_video_config_timing(wp
, &video_timing
);
618 video_format
.packing_mode
= HDMI_PACK_24b_RGB_YUV444_YUV422
;
620 hdmi_wp_video_config_format(wp
, &video_format
);
622 hdmi_wp_video_config_interface(wp
, &video_timing
);
624 hdmi_core_configure_range(core
);
627 * configure core video part, set software reset in the core
629 v_core_cfg
.packet_mode
= HDMI_PACKETMODE24BITPERPIXEL
;
631 hdmi_core_video_config(core
, &v_core_cfg
);
633 hdmi_core_config_video_packetizer(core
);
634 hdmi_core_config_csc(core
);
635 hdmi_core_config_video_sampler(core
);
638 * configure packet info frame video see doc CEA861-D page 65
640 hdmi_avi_infoframe_init(avi_infoframe
);
641 avi_infoframe
->colorspace
= HDMI_COLORSPACE_RGB
;
642 avi_infoframe
->scan_mode
= HDMI_SCAN_MODE_NONE
;
643 avi_infoframe
->colorimetry
= HDMI_COLORIMETRY_NONE
;
644 avi_infoframe
->picture_aspect
= HDMI_PICTURE_ASPECT_NONE
;
645 avi_infoframe
->active_aspect
= HDMI_ACTIVE_ASPECT_PICTURE
;
646 avi_infoframe
->itc
= 0;
647 avi_infoframe
->extended_colorimetry
= HDMI_EXTENDED_COLORIMETRY_XV_YCC_601
;
648 avi_infoframe
->quantization_range
= HDMI_QUANTIZATION_RANGE_DEFAULT
;
649 avi_infoframe
->nups
= HDMI_NUPS_UNKNOWN
;
650 avi_infoframe
->video_code
= cfg
->cm
.code
;
651 avi_infoframe
->ycc_quantization_range
= HDMI_YCC_QUANTIZATION_RANGE_LIMITED
;
652 avi_infoframe
->content_type
= HDMI_CONTENT_TYPE_NONE
;
653 avi_infoframe
->pixel_repeat
= 0;
654 hdmi_core_aux_infoframe_avi_config(core
);
656 hdmi_core_enable_video_path(core
);
658 hdmi_core_enable_interrupts(core
);
662 #if defined(CONFIG_OMAP5_DSS_HDMI_AUDIO)
664 static void hdmi5_core_audio_config(struct hdmi_core_data
*core
,
665 struct hdmi_core_audio_config
*cfg
)
667 void __iomem
*base
= core
->base
;
670 /* Mute audio before configuring */
671 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCONF
, 0xf, 7, 4);
673 /* Set the N parameter */
674 REG_FLD_MOD(base
, HDMI_CORE_AUD_N1
, cfg
->n
, 7, 0);
675 REG_FLD_MOD(base
, HDMI_CORE_AUD_N2
, cfg
->n
>> 8, 7, 0);
676 REG_FLD_MOD(base
, HDMI_CORE_AUD_N3
, cfg
->n
>> 16, 3, 0);
679 * CTS manual mode. Automatic mode is not supported when using audio
680 * parallel interface.
682 REG_FLD_MOD(base
, HDMI_CORE_AUD_CTS3
, 1, 4, 4);
683 REG_FLD_MOD(base
, HDMI_CORE_AUD_CTS1
, cfg
->cts
, 7, 0);
684 REG_FLD_MOD(base
, HDMI_CORE_AUD_CTS2
, cfg
->cts
>> 8, 7, 0);
685 REG_FLD_MOD(base
, HDMI_CORE_AUD_CTS3
, cfg
->cts
>> 16, 3, 0);
687 /* Layout of Audio Sample Packets: 2-channel or multichannels */
688 if (cfg
->layout
== HDMI_AUDIO_LAYOUT_2CH
)
689 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCONF
, 0, 0, 0);
691 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCONF
, 1, 0, 0);
693 /* Configure IEC-609580 Validity bits */
694 /* Channel 0 is valid */
695 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSV
, 0, 0, 0);
696 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSV
, 0, 4, 4);
698 if (cfg
->layout
== HDMI_AUDIO_LAYOUT_2CH
)
703 /* Channels 1, 2 setting */
704 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSV
, val
, 1, 1);
705 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSV
, val
, 5, 5);
706 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSV
, val
, 2, 2);
707 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSV
, val
, 6, 6);
708 /* Channel 3 setting */
709 if (cfg
->layout
== HDMI_AUDIO_LAYOUT_6CH
)
711 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSV
, val
, 3, 3);
712 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSV
, val
, 7, 7);
714 /* Configure IEC-60958 User bits */
715 /* TODO: should be set by user. */
716 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSU
, 0, 7, 0);
718 /* Configure IEC-60958 Channel Status word */
720 val
= cfg
->iec60958_cfg
->status
[5] & IEC958_AES5_CON_CGMSA
;
721 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(0), val
, 5, 4);
724 val
= (cfg
->iec60958_cfg
->status
[0] &
725 IEC958_AES0_CON_NOT_COPYRIGHT
) >> 2;
726 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(0), val
, 0, 0);
729 hdmi_write_reg(base
, HDMI_CORE_FC_AUDSCHNLS(1),
730 cfg
->iec60958_cfg
->status
[1]);
733 val
= (cfg
->iec60958_cfg
->status
[0] & IEC958_AES0_CON_MODE
) >> 6;
734 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(2), val
, 6, 4);
737 val
= cfg
->iec60958_cfg
->status
[2] & IEC958_AES2_CON_SOURCE
;
738 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(2), val
, 3, 4);
740 /* Channel number right 0 */
741 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(3), 2, 3, 0);
742 /* Channel number right 1*/
743 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(3), 4, 7, 4);
744 /* Channel number right 2 */
745 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(4), 6, 3, 0);
746 /* Channel number right 3*/
747 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(4), 8, 7, 4);
748 /* Channel number left 0 */
749 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(5), 1, 3, 0);
750 /* Channel number left 1*/
751 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(5), 3, 7, 4);
752 /* Channel number left 2 */
753 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(6), 5, 3, 0);
754 /* Channel number left 3*/
755 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCHNLS(6), 7, 7, 4);
757 /* Clock accuracy and sample rate */
758 hdmi_write_reg(base
, HDMI_CORE_FC_AUDSCHNLS(7),
759 cfg
->iec60958_cfg
->status
[3]);
761 /* Original sample rate and word length */
762 hdmi_write_reg(base
, HDMI_CORE_FC_AUDSCHNLS(8),
763 cfg
->iec60958_cfg
->status
[4]);
765 /* Enable FIFO empty and full interrupts */
766 REG_FLD_MOD(base
, HDMI_CORE_AUD_INT
, 3, 3, 2);
769 /* select HBR/SPDIF interfaces */
770 if (cfg
->layout
== HDMI_AUDIO_LAYOUT_2CH
) {
771 /* select HBR/SPDIF interfaces */
772 REG_FLD_MOD(base
, HDMI_CORE_AUD_CONF0
, 0, 5, 5);
773 /* enable two channels in GPA */
774 REG_FLD_MOD(base
, HDMI_CORE_AUD_GP_CONF1
, 3, 7, 0);
775 } else if (cfg
->layout
== HDMI_AUDIO_LAYOUT_6CH
) {
776 /* select HBR/SPDIF interfaces */
777 REG_FLD_MOD(base
, HDMI_CORE_AUD_CONF0
, 0, 5, 5);
778 /* enable six channels in GPA */
779 REG_FLD_MOD(base
, HDMI_CORE_AUD_GP_CONF1
, 0x3F, 7, 0);
781 /* select HBR/SPDIF interfaces */
782 REG_FLD_MOD(base
, HDMI_CORE_AUD_CONF0
, 0, 5, 5);
783 /* enable eight channels in GPA */
784 REG_FLD_MOD(base
, HDMI_CORE_AUD_GP_CONF1
, 0xFF, 7, 0);
788 REG_FLD_MOD(base
, HDMI_CORE_AUD_GP_CONF2
, 0, 0, 0);
790 REG_FLD_MOD(base
, HDMI_CORE_AUD_GP_CONF2
, 1, 1, 1);
791 /* enable GPA FIFO full and empty mask */
792 REG_FLD_MOD(base
, HDMI_CORE_AUD_GP_MASK
, 3, 1, 0);
793 /* set polarity of GPA FIFO empty interrupts */
794 REG_FLD_MOD(base
, HDMI_CORE_AUD_GP_POL
, 1, 0, 0);
797 REG_FLD_MOD(base
, HDMI_CORE_FC_AUDSCONF
, 0, 7, 4);
800 static void hdmi5_core_audio_infoframe_cfg(struct hdmi_core_data
*core
,
801 struct snd_cea_861_aud_if
*info_aud
)
803 void __iomem
*base
= core
->base
;
805 /* channel count and coding type fields in AUDICONF0 are swapped */
806 hdmi_write_reg(base
, HDMI_CORE_FC_AUDICONF0
,
807 (info_aud
->db1_ct_cc
& CEA861_AUDIO_INFOFRAME_DB1CC
) << 4 |
808 (info_aud
->db1_ct_cc
& CEA861_AUDIO_INFOFRAME_DB1CT
) >> 4);
810 hdmi_write_reg(base
, HDMI_CORE_FC_AUDICONF1
, info_aud
->db2_sf_ss
);
811 hdmi_write_reg(base
, HDMI_CORE_FC_AUDICONF2
, info_aud
->db4_ca
);
812 hdmi_write_reg(base
, HDMI_CORE_FC_AUDICONF3
, info_aud
->db5_dminh_lsv
);
815 int hdmi5_audio_config(struct hdmi_core_data
*core
, struct hdmi_wp_data
*wp
,
816 struct omap_dss_audio
*audio
, u32 pclk
)
818 struct hdmi_audio_format audio_format
;
819 struct hdmi_audio_dma audio_dma
;
820 struct hdmi_core_audio_config core_cfg
;
821 int err
, n
, cts
, channel_count
;
823 bool word_length_16b
= false;
825 if (!audio
|| !audio
->iec
|| !audio
->cea
|| !core
)
828 core_cfg
.iec60958_cfg
= audio
->iec
;
830 if (!(audio
->iec
->status
[4] & IEC958_AES4_CON_MAX_WORDLEN_24
) &&
831 (audio
->iec
->status
[4] & IEC958_AES4_CON_WORDLEN_20_16
))
832 word_length_16b
= true;
834 /* only 16-bit word length supported atm */
835 if (!word_length_16b
)
838 switch (audio
->iec
->status
[3] & IEC958_AES3_CON_FS
) {
839 case IEC958_AES3_CON_FS_32000
:
842 case IEC958_AES3_CON_FS_44100
:
845 case IEC958_AES3_CON_FS_48000
:
848 case IEC958_AES3_CON_FS_88200
:
851 case IEC958_AES3_CON_FS_96000
:
854 case IEC958_AES3_CON_FS_176400
:
857 case IEC958_AES3_CON_FS_192000
:
864 err
= hdmi_compute_acr(pclk
, fs_nr
, &n
, &cts
);
868 /* Audio channels settings */
869 channel_count
= (audio
->cea
->db1_ct_cc
& CEA861_AUDIO_INFOFRAME_DB1CC
)
872 if (channel_count
== 2)
873 core_cfg
.layout
= HDMI_AUDIO_LAYOUT_2CH
;
874 else if (channel_count
== 6)
875 core_cfg
.layout
= HDMI_AUDIO_LAYOUT_6CH
;
877 core_cfg
.layout
= HDMI_AUDIO_LAYOUT_8CH
;
881 audio_dma
.transfer_size
= 0x10;
883 audio_dma
.transfer_size
= 0x20;
884 audio_dma
.block_size
= 0xC0;
885 audio_dma
.mode
= HDMI_AUDIO_TRANSF_DMA
;
886 audio_dma
.fifo_threshold
= 0x20; /* in number of samples */
888 /* audio FIFO format settings for 16-bit samples*/
889 audio_format
.samples_per_word
= HDMI_AUDIO_ONEWORD_TWOSAMPLES
;
890 audio_format
.sample_size
= HDMI_AUDIO_SAMPLE_16BITS
;
891 audio_format
.justification
= HDMI_AUDIO_JUSTIFY_LEFT
;
894 audio_format
.type
= HDMI_AUDIO_TYPE_LPCM
;
896 /* disable start/stop signals of IEC 60958 blocks */
897 audio_format
.en_sig_blk_strt_end
= HDMI_AUDIO_BLOCK_SIG_STARTEND_ON
;
899 /* configure DMA and audio FIFO format*/
900 hdmi_wp_audio_config_dma(wp
, &audio_dma
);
901 hdmi_wp_audio_config_format(wp
, &audio_format
);
903 /* configure the core */
904 hdmi5_core_audio_config(core
, &core_cfg
);
906 /* configure CEA 861 audio infoframe */
907 hdmi5_core_audio_infoframe_cfg(core
, audio
->cea
);
913 int hdmi5_core_init(struct platform_device
*pdev
, struct hdmi_core_data
*core
)
915 struct resource
*res
;
917 res
= platform_get_resource_byname(pdev
, IORESOURCE_MEM
, "core");
919 DSSERR("can't get CORE IORESOURCE_MEM HDMI\n");
923 core
->base
= devm_ioremap_resource(&pdev
->dev
, res
);
924 if (IS_ERR(core
->base
)) {
925 DSSERR("can't ioremap HDMI core\n");
926 return PTR_ERR(core
->base
);