1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * OMAP5 HDMI CORE IP driver library
4 *
5 * Copyright (C) 2014 Texas Instruments Incorporated
6 *
7 * Authors:
8 * Yong Zhi
9 * Mythri pk
10 * Archit Taneja <archit@ti.com>
11 * Tomi Valkeinen <tomi.valkeinen@ti.com>
12 */
13
14 #include <linux/kernel.h>
15 #include <linux/module.h>
16 #include <linux/err.h>
17 #include <linux/io.h>
18 #include <linux/delay.h>
19 #include <linux/string.h>
20 #include <linux/seq_file.h>
21 #include <drm/drm_edid.h>
22 #include <sound/asound.h>
23 #include <sound/asoundef.h>
24
25 #include "hdmi5_core.h"
26
27 /* only 24 bit color depth used for now */
28 static const struct csc_table csc_table_deepcolor[] = {
29 /* HDMI_DEEP_COLOR_24BIT */
30 [0] = { 7036, 0, 0, 32, 0, 7036, 0, 32, 0, 0, 7036, 32, },
31 /* HDMI_DEEP_COLOR_30BIT */
32 [1] = { 7015, 0, 0, 128, 0, 7015, 0, 128, 0, 0, 7015, 128, },
33 /* HDMI_DEEP_COLOR_36BIT */
34 [2] = { 7010, 0, 0, 512, 0, 7010, 0, 512, 0, 0, 7010, 512, },
35 /* FULL RANGE */
36 [3] = { 8192, 0, 0, 0, 0, 8192, 0, 0, 0, 0, 8192, 0, },
37 };
38
hdmi_core_ddc_init(struct hdmi_core_data * core)39 static void hdmi_core_ddc_init(struct hdmi_core_data *core)
40 {
41 void __iomem *base = core->base;
42 const unsigned long long iclk = 266000000; /* DSS L3 ICLK */
43 const unsigned ss_scl_high = 4600; /* ns */
44 const unsigned ss_scl_low = 5400; /* ns */
45 const unsigned fs_scl_high = 600; /* ns */
46 const unsigned fs_scl_low = 1300; /* ns */
47 const unsigned sda_hold = 1000; /* ns */
48 const unsigned sfr_div = 10;
49 unsigned long long sfr;
50 unsigned v;
51
52 sfr = iclk / sfr_div; /* SFR_DIV */
53 sfr /= 1000; /* SFR clock in kHz */
54
55 /* Reset */
56 REG_FLD_MOD(base, HDMI_CORE_I2CM_SOFTRSTZ, 0, 0, 0);
57 if (hdmi_wait_for_bit_change(base, HDMI_CORE_I2CM_SOFTRSTZ,
58 0, 0, 1) != 1)
59 DSSERR("HDMI I2CM reset failed\n");
60
61 /* Standard (0) or Fast (1) Mode */
62 REG_FLD_MOD(base, HDMI_CORE_I2CM_DIV, 0, 3, 3);
63
64 /* Standard Mode SCL High counter */
65 v = DIV_ROUND_UP_ULL(ss_scl_high * sfr, 1000000);
66 REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_HCNT_1_ADDR,
67 (v >> 8) & 0xff, 7, 0);
68 REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_HCNT_0_ADDR,
69 v & 0xff, 7, 0);
70
71 /* Standard Mode SCL Low counter */
72 v = DIV_ROUND_UP_ULL(ss_scl_low * sfr, 1000000);
73 REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_LCNT_1_ADDR,
74 (v >> 8) & 0xff, 7, 0);
75 REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_LCNT_0_ADDR,
76 v & 0xff, 7, 0);
77
78 /* Fast Mode SCL High Counter */
79 v = DIV_ROUND_UP_ULL(fs_scl_high * sfr, 1000000);
80 REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_HCNT_1_ADDR,
81 (v >> 8) & 0xff, 7, 0);
82 REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_HCNT_0_ADDR,
83 v & 0xff, 7, 0);
84
85 /* Fast Mode SCL Low Counter */
86 v = DIV_ROUND_UP_ULL(fs_scl_low * sfr, 1000000);
87 REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_LCNT_1_ADDR,
88 (v >> 8) & 0xff, 7, 0);
89 REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR,
90 v & 0xff, 7, 0);
91
92 /* SDA Hold Time */
93 v = DIV_ROUND_UP_ULL(sda_hold * sfr, 1000000);
94 REG_FLD_MOD(base, HDMI_CORE_I2CM_SDA_HOLD_ADDR, v & 0xff, 7, 0);
95
96 REG_FLD_MOD(base, HDMI_CORE_I2CM_SLAVE, 0x50, 6, 0);
97 REG_FLD_MOD(base, HDMI_CORE_I2CM_SEGADDR, 0x30, 6, 0);
98
99 /* NACK_POL to high */
100 REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 7, 7);
101
102 /* NACK_MASK to unmasked */
103 REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x0, 6, 6);
104
105 /* ARBITRATION_POL to high */
106 REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 3, 3);
107
108 /* ARBITRATION_MASK to unmasked */
109 REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x0, 2, 2);
110
111 /* DONE_POL to high */
112 REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x1, 3, 3);
113
114 /* DONE_MASK to unmasked */
115 REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x0, 2, 2);
116 }
117
hdmi_core_ddc_uninit(struct hdmi_core_data * core)118 static void hdmi_core_ddc_uninit(struct hdmi_core_data *core)
119 {
120 void __iomem *base = core->base;
121
122 /* Mask I2C interrupts */
123 REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 6, 6);
124 REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 2, 2);
125 REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x1, 2, 2);
126 }
127
hdmi_core_ddc_edid(struct hdmi_core_data * core,u8 * pedid,u8 ext)128 static int hdmi_core_ddc_edid(struct hdmi_core_data *core, u8 *pedid, u8 ext)
129 {
130 void __iomem *base = core->base;
131 u8 cur_addr;
132 char checksum = 0;
133 const int retries = 1000;
134 u8 seg_ptr = ext / 2;
135 u8 edidbase = ((ext % 2) * 0x80);
136
137 REG_FLD_MOD(base, HDMI_CORE_I2CM_SEGPTR, seg_ptr, 7, 0);
138
139 /*
140 * TODO: We use polling here, although we probably should use proper
141 * interrupts.
142 */
143 for (cur_addr = 0; cur_addr < 128; ++cur_addr) {
144 int i;
145
146 /* clear ERROR and DONE */
147 REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0x3, 1, 0);
148
149 REG_FLD_MOD(base, HDMI_CORE_I2CM_ADDRESS,
150 edidbase + cur_addr, 7, 0);
151
152 if (seg_ptr)
153 REG_FLD_MOD(base, HDMI_CORE_I2CM_OPERATION, 1, 1, 1);
154 else
155 REG_FLD_MOD(base, HDMI_CORE_I2CM_OPERATION, 1, 0, 0);
156
157 for (i = 0; i < retries; ++i) {
158 u32 stat;
159
160 stat = REG_GET(base, HDMI_CORE_IH_I2CM_STAT0, 1, 0);
161
162 /* I2CM_ERROR */
163 if (stat & 1) {
164 DSSERR("HDMI I2C Master Error\n");
165 return -EIO;
166 }
167
168 /* I2CM_DONE */
169 if (stat & (1 << 1))
170 break;
171
172 usleep_range(250, 1000);
173 }
174
175 if (i == retries) {
176 DSSERR("HDMI I2C timeout reading EDID\n");
177 return -EIO;
178 }
179
180 pedid[cur_addr] = REG_GET(base, HDMI_CORE_I2CM_DATAI, 7, 0);
181 checksum += pedid[cur_addr];
182 }
183
184 return 0;
185
186 }
187
hdmi5_read_edid(struct hdmi_core_data * core,u8 * edid,int len)188 int hdmi5_read_edid(struct hdmi_core_data *core, u8 *edid, int len)
189 {
190 int r, n, i;
191 int max_ext_blocks = (len / 128) - 1;
192
193 if (len < 128)
194 return -EINVAL;
195
196 hdmi_core_ddc_init(core);
197
198 r = hdmi_core_ddc_edid(core, edid, 0);
199 if (r)
200 goto out;
201
202 n = edid[0x7e];
203
204 if (n > max_ext_blocks)
205 n = max_ext_blocks;
206
207 for (i = 1; i <= n; i++) {
208 r = hdmi_core_ddc_edid(core, edid + i * EDID_LENGTH, i);
209 if (r)
210 goto out;
211 }
212
213 out:
214 hdmi_core_ddc_uninit(core);
215
216 return r ? r : len;
217 }
218
hdmi5_core_dump(struct hdmi_core_data * core,struct seq_file * s)219 void hdmi5_core_dump(struct hdmi_core_data *core, struct seq_file *s)
220 {
221
222 #define DUMPCORE(r) seq_printf(s, "%-35s %08x\n", #r,\
223 hdmi_read_reg(core->base, r))
224
225 DUMPCORE(HDMI_CORE_FC_INVIDCONF);
226 DUMPCORE(HDMI_CORE_FC_INHACTIV0);
227 DUMPCORE(HDMI_CORE_FC_INHACTIV1);
228 DUMPCORE(HDMI_CORE_FC_INHBLANK0);
229 DUMPCORE(HDMI_CORE_FC_INHBLANK1);
230 DUMPCORE(HDMI_CORE_FC_INVACTIV0);
231 DUMPCORE(HDMI_CORE_FC_INVACTIV1);
232 DUMPCORE(HDMI_CORE_FC_INVBLANK);
233 DUMPCORE(HDMI_CORE_FC_HSYNCINDELAY0);
234 DUMPCORE(HDMI_CORE_FC_HSYNCINDELAY1);
235 DUMPCORE(HDMI_CORE_FC_HSYNCINWIDTH0);
236 DUMPCORE(HDMI_CORE_FC_HSYNCINWIDTH1);
237 DUMPCORE(HDMI_CORE_FC_VSYNCINDELAY);
238 DUMPCORE(HDMI_CORE_FC_VSYNCINWIDTH);
239 DUMPCORE(HDMI_CORE_FC_CTRLDUR);
240 DUMPCORE(HDMI_CORE_FC_EXCTRLDUR);
241 DUMPCORE(HDMI_CORE_FC_EXCTRLSPAC);
242 DUMPCORE(HDMI_CORE_FC_CH0PREAM);
243 DUMPCORE(HDMI_CORE_FC_CH1PREAM);
244 DUMPCORE(HDMI_CORE_FC_CH2PREAM);
245 DUMPCORE(HDMI_CORE_FC_AVICONF0);
246 DUMPCORE(HDMI_CORE_FC_AVICONF1);
247 DUMPCORE(HDMI_CORE_FC_AVICONF2);
248 DUMPCORE(HDMI_CORE_FC_AVIVID);
249 DUMPCORE(HDMI_CORE_FC_PRCONF);
250
251 DUMPCORE(HDMI_CORE_MC_CLKDIS);
252 DUMPCORE(HDMI_CORE_MC_SWRSTZREQ);
253 DUMPCORE(HDMI_CORE_MC_FLOWCTRL);
254 DUMPCORE(HDMI_CORE_MC_PHYRSTZ);
255 DUMPCORE(HDMI_CORE_MC_LOCKONCLOCK);
256
257 DUMPCORE(HDMI_CORE_I2CM_SLAVE);
258 DUMPCORE(HDMI_CORE_I2CM_ADDRESS);
259 DUMPCORE(HDMI_CORE_I2CM_DATAO);
260 DUMPCORE(HDMI_CORE_I2CM_DATAI);
261 DUMPCORE(HDMI_CORE_I2CM_OPERATION);
262 DUMPCORE(HDMI_CORE_I2CM_INT);
263 DUMPCORE(HDMI_CORE_I2CM_CTLINT);
264 DUMPCORE(HDMI_CORE_I2CM_DIV);
265 DUMPCORE(HDMI_CORE_I2CM_SEGADDR);
266 DUMPCORE(HDMI_CORE_I2CM_SOFTRSTZ);
267 DUMPCORE(HDMI_CORE_I2CM_SEGPTR);
268 DUMPCORE(HDMI_CORE_I2CM_SS_SCL_HCNT_1_ADDR);
269 DUMPCORE(HDMI_CORE_I2CM_SS_SCL_HCNT_0_ADDR);
270 DUMPCORE(HDMI_CORE_I2CM_SS_SCL_LCNT_1_ADDR);
271 DUMPCORE(HDMI_CORE_I2CM_SS_SCL_LCNT_0_ADDR);
272 DUMPCORE(HDMI_CORE_I2CM_FS_SCL_HCNT_1_ADDR);
273 DUMPCORE(HDMI_CORE_I2CM_FS_SCL_HCNT_0_ADDR);
274 DUMPCORE(HDMI_CORE_I2CM_FS_SCL_LCNT_1_ADDR);
275 DUMPCORE(HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR);
276 DUMPCORE(HDMI_CORE_I2CM_SDA_HOLD_ADDR);
277 }
278
hdmi_core_init(struct hdmi_core_vid_config * video_cfg,struct hdmi_config * cfg)279 static void hdmi_core_init(struct hdmi_core_vid_config *video_cfg,
280 struct hdmi_config *cfg)
281 {
282 DSSDBG("hdmi_core_init\n");
283
284 /* video core */
285 video_cfg->data_enable_pol = 1; /* It is always 1*/
286 video_cfg->v_fc_config.timings.hsync_level = cfg->timings.hsync_level;
287 video_cfg->v_fc_config.timings.x_res = cfg->timings.x_res;
288 video_cfg->v_fc_config.timings.hsw = cfg->timings.hsw - 1;
289 video_cfg->v_fc_config.timings.hbp = cfg->timings.hbp;
290 video_cfg->v_fc_config.timings.hfp = cfg->timings.hfp;
291 video_cfg->hblank = cfg->timings.hfp +
292 cfg->timings.hbp + cfg->timings.hsw - 1;
293 video_cfg->v_fc_config.timings.vsync_level = cfg->timings.vsync_level;
294 video_cfg->v_fc_config.timings.y_res = cfg->timings.y_res;
295 video_cfg->v_fc_config.timings.vsw = cfg->timings.vsw;
296 video_cfg->v_fc_config.timings.vfp = cfg->timings.vfp;
297 video_cfg->v_fc_config.timings.vbp = cfg->timings.vbp;
298 video_cfg->vblank_osc = 0; /* Always 0 - need to confirm */
299 video_cfg->vblank = cfg->timings.vsw +
300 cfg->timings.vfp + cfg->timings.vbp;
301 video_cfg->v_fc_config.hdmi_dvi_mode = cfg->hdmi_dvi_mode;
302 video_cfg->v_fc_config.timings.interlace = cfg->timings.interlace;
303 }
304
305 /* DSS_HDMI_CORE_VIDEO_CONFIG */
hdmi_core_video_config(struct hdmi_core_data * core,struct hdmi_core_vid_config * cfg)306 static void hdmi_core_video_config(struct hdmi_core_data *core,
307 struct hdmi_core_vid_config *cfg)
308 {
309 void __iomem *base = core->base;
310 unsigned char r = 0;
311 bool vsync_pol, hsync_pol;
312
313 vsync_pol =
314 cfg->v_fc_config.timings.vsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
315 hsync_pol =
316 cfg->v_fc_config.timings.hsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
317
318 /* Set hsync, vsync and data-enable polarity */
319 r = hdmi_read_reg(base, HDMI_CORE_FC_INVIDCONF);
320 r = FLD_MOD(r, vsync_pol, 6, 6);
321 r = FLD_MOD(r, hsync_pol, 5, 5);
322 r = FLD_MOD(r, cfg->data_enable_pol, 4, 4);
323 r = FLD_MOD(r, cfg->vblank_osc, 1, 1);
324 r = FLD_MOD(r, cfg->v_fc_config.timings.interlace, 0, 0);
325 hdmi_write_reg(base, HDMI_CORE_FC_INVIDCONF, r);
326
327 /* set x resolution */
328 REG_FLD_MOD(base, HDMI_CORE_FC_INHACTIV1,
329 cfg->v_fc_config.timings.x_res >> 8, 4, 0);
330 REG_FLD_MOD(base, HDMI_CORE_FC_INHACTIV0,
331 cfg->v_fc_config.timings.x_res & 0xFF, 7, 0);
332
333 /* set y resolution */
334 REG_FLD_MOD(base, HDMI_CORE_FC_INVACTIV1,
335 cfg->v_fc_config.timings.y_res >> 8, 4, 0);
336 REG_FLD_MOD(base, HDMI_CORE_FC_INVACTIV0,
337 cfg->v_fc_config.timings.y_res & 0xFF, 7, 0);
338
339 /* set horizontal blanking pixels */
340 REG_FLD_MOD(base, HDMI_CORE_FC_INHBLANK1, cfg->hblank >> 8, 4, 0);
341 REG_FLD_MOD(base, HDMI_CORE_FC_INHBLANK0, cfg->hblank & 0xFF, 7, 0);
342
343 /* set vertial blanking pixels */
344 REG_FLD_MOD(base, HDMI_CORE_FC_INVBLANK, cfg->vblank, 7, 0);
345
346 /* set horizontal sync offset */
347 REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINDELAY1,
348 cfg->v_fc_config.timings.hfp >> 8, 4, 0);
349 REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINDELAY0,
350 cfg->v_fc_config.timings.hfp & 0xFF, 7, 0);
351
352 /* set vertical sync offset */
353 REG_FLD_MOD(base, HDMI_CORE_FC_VSYNCINDELAY,
354 cfg->v_fc_config.timings.vfp, 7, 0);
355
356 /* set horizontal sync pulse width */
357 REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINWIDTH1,
358 (cfg->v_fc_config.timings.hsw >> 8), 1, 0);
359 REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINWIDTH0,
360 cfg->v_fc_config.timings.hsw & 0xFF, 7, 0);
361
362 /* set vertical sync pulse width */
363 REG_FLD_MOD(base, HDMI_CORE_FC_VSYNCINWIDTH,
364 cfg->v_fc_config.timings.vsw, 5, 0);
365
366 /* select DVI mode */
367 REG_FLD_MOD(base, HDMI_CORE_FC_INVIDCONF,
368 cfg->v_fc_config.hdmi_dvi_mode, 3, 3);
369 }
370
hdmi_core_config_video_packetizer(struct hdmi_core_data * core)371 static void hdmi_core_config_video_packetizer(struct hdmi_core_data *core)
372 {
373 void __iomem *base = core->base;
374 int clr_depth = 0; /* 24 bit color depth */
375
376 /* COLOR_DEPTH */
377 REG_FLD_MOD(base, HDMI_CORE_VP_PR_CD, clr_depth, 7, 4);
378 /* BYPASS_EN */
379 REG_FLD_MOD(base, HDMI_CORE_VP_CONF, clr_depth ? 0 : 1, 6, 6);
380 /* PP_EN */
381 REG_FLD_MOD(base, HDMI_CORE_VP_CONF, clr_depth ? 1 : 0, 5, 5);
382 /* YCC422_EN */
383 REG_FLD_MOD(base, HDMI_CORE_VP_CONF, 0, 3, 3);
384 /* PP_STUFFING */
385 REG_FLD_MOD(base, HDMI_CORE_VP_STUFF, clr_depth ? 1 : 0, 1, 1);
386 /* YCC422_STUFFING */
387 REG_FLD_MOD(base, HDMI_CORE_VP_STUFF, 1, 2, 2);
388 /* OUTPUT_SELECTOR */
389 REG_FLD_MOD(base, HDMI_CORE_VP_CONF, clr_depth ? 0 : 2, 1, 0);
390 }
391
hdmi_core_config_csc(struct hdmi_core_data * core)392 static void hdmi_core_config_csc(struct hdmi_core_data *core)
393 {
394 int clr_depth = 0; /* 24 bit color depth */
395
396 /* CSC_COLORDEPTH */
397 REG_FLD_MOD(core->base, HDMI_CORE_CSC_SCALE, clr_depth, 7, 4);
398 }
399
hdmi_core_config_video_sampler(struct hdmi_core_data * core)400 static void hdmi_core_config_video_sampler(struct hdmi_core_data *core)
401 {
402 int video_mapping = 1; /* for 24 bit color depth */
403
404 /* VIDEO_MAPPING */
405 REG_FLD_MOD(core->base, HDMI_CORE_TX_INVID0, video_mapping, 4, 0);
406 }
407
hdmi_core_write_avi_infoframe(struct hdmi_core_data * core,struct hdmi_avi_infoframe * frame)408 static void hdmi_core_write_avi_infoframe(struct hdmi_core_data *core,
409 struct hdmi_avi_infoframe *frame)
410 {
411 void __iomem *base = core->base;
412 u8 data[HDMI_INFOFRAME_SIZE(AVI)];
413 u8 *ptr;
414 unsigned y, a, b, s;
415 unsigned c, m, r;
416 unsigned itc, ec, q, sc;
417 unsigned vic;
418 unsigned yq, cn, pr;
419
420 hdmi_avi_infoframe_pack(frame, data, sizeof(data));
421
422 print_hex_dump_debug("AVI: ", DUMP_PREFIX_NONE, 16, 1, data,
423 HDMI_INFOFRAME_SIZE(AVI), false);
424
425 ptr = data + HDMI_INFOFRAME_HEADER_SIZE;
426
427 y = (ptr[0] >> 5) & 0x3;
428 a = (ptr[0] >> 4) & 0x1;
429 b = (ptr[0] >> 2) & 0x3;
430 s = (ptr[0] >> 0) & 0x3;
431
432 c = (ptr[1] >> 6) & 0x3;
433 m = (ptr[1] >> 4) & 0x3;
434 r = (ptr[1] >> 0) & 0xf;
435
436 itc = (ptr[2] >> 7) & 0x1;
437 ec = (ptr[2] >> 4) & 0x7;
438 q = (ptr[2] >> 2) & 0x3;
439 sc = (ptr[2] >> 0) & 0x3;
440
441 vic = ptr[3];
442
443 yq = (ptr[4] >> 6) & 0x3;
444 cn = (ptr[4] >> 4) & 0x3;
445 pr = (ptr[4] >> 0) & 0xf;
446
447 hdmi_write_reg(base, HDMI_CORE_FC_AVICONF0,
448 (a << 6) | (s << 4) | (b << 2) | (y << 0));
449
450 hdmi_write_reg(base, HDMI_CORE_FC_AVICONF1,
451 (c << 6) | (m << 4) | (r << 0));
452
453 hdmi_write_reg(base, HDMI_CORE_FC_AVICONF2,
454 (itc << 7) | (ec << 4) | (q << 2) | (sc << 0));
455
456 hdmi_write_reg(base, HDMI_CORE_FC_AVIVID, vic);
457
458 hdmi_write_reg(base, HDMI_CORE_FC_AVICONF3,
459 (yq << 2) | (cn << 0));
460
461 REG_FLD_MOD(base, HDMI_CORE_FC_PRCONF, pr, 3, 0);
462 }
463
hdmi_core_csc_config(struct hdmi_core_data * core,struct csc_table csc_coeff)464 static void hdmi_core_csc_config(struct hdmi_core_data *core,
465 struct csc_table csc_coeff)
466 {
467 void __iomem *base = core->base;
468
469 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A1_MSB, csc_coeff.a1 >> 8 , 6, 0);
470 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A1_LSB, csc_coeff.a1, 7, 0);
471 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A2_MSB, csc_coeff.a2 >> 8, 6, 0);
472 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A2_LSB, csc_coeff.a2, 7, 0);
473 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A3_MSB, csc_coeff.a3 >> 8, 6, 0);
474 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A3_LSB, csc_coeff.a3, 7, 0);
475 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A4_MSB, csc_coeff.a4 >> 8, 6, 0);
476 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A4_LSB, csc_coeff.a4, 7, 0);
477 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B1_MSB, csc_coeff.b1 >> 8, 6, 0);
478 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B1_LSB, csc_coeff.b1, 7, 0);
479 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B2_MSB, csc_coeff.b2 >> 8, 6, 0);
480 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B2_LSB, csc_coeff.b2, 7, 0);
481 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B3_MSB, csc_coeff.b3 >> 8, 6, 0);
482 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B3_LSB, csc_coeff.b3, 7, 0);
483 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B4_MSB, csc_coeff.b4 >> 8, 6, 0);
484 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B4_LSB, csc_coeff.b4, 7, 0);
485 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C1_MSB, csc_coeff.c1 >> 8, 6, 0);
486 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C1_LSB, csc_coeff.c1, 7, 0);
487 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C2_MSB, csc_coeff.c2 >> 8, 6, 0);
488 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C2_LSB, csc_coeff.c2, 7, 0);
489 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C3_MSB, csc_coeff.c3 >> 8, 6, 0);
490 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C3_LSB, csc_coeff.c3, 7, 0);
491 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C4_MSB, csc_coeff.c4 >> 8, 6, 0);
492 REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C4_LSB, csc_coeff.c4, 7, 0);
493
494 REG_FLD_MOD(base, HDMI_CORE_MC_FLOWCTRL, 0x1, 0, 0);
495 }
496
hdmi_core_configure_range(struct hdmi_core_data * core)497 static void hdmi_core_configure_range(struct hdmi_core_data *core)
498 {
499 struct csc_table csc_coeff = { 0 };
500
501 /* support limited range with 24 bit color depth for now */
502 csc_coeff = csc_table_deepcolor[0];
503
504 hdmi_core_csc_config(core, csc_coeff);
505 }
506
hdmi_core_enable_video_path(struct hdmi_core_data * core)507 static void hdmi_core_enable_video_path(struct hdmi_core_data *core)
508 {
509 void __iomem *base = core->base;
510
511 DSSDBG("hdmi_core_enable_video_path\n");
512
513 REG_FLD_MOD(base, HDMI_CORE_FC_CTRLDUR, 0x0C, 7, 0);
514 REG_FLD_MOD(base, HDMI_CORE_FC_EXCTRLDUR, 0x20, 7, 0);
515 REG_FLD_MOD(base, HDMI_CORE_FC_EXCTRLSPAC, 0x01, 7, 0);
516 REG_FLD_MOD(base, HDMI_CORE_FC_CH0PREAM, 0x0B, 7, 0);
517 REG_FLD_MOD(base, HDMI_CORE_FC_CH1PREAM, 0x16, 5, 0);
518 REG_FLD_MOD(base, HDMI_CORE_FC_CH2PREAM, 0x21, 5, 0);
519 REG_FLD_MOD(base, HDMI_CORE_MC_CLKDIS, 0x00, 0, 0);
520 REG_FLD_MOD(base, HDMI_CORE_MC_CLKDIS, 0x00, 1, 1);
521 }
522
hdmi_core_mask_interrupts(struct hdmi_core_data * core)523 static void hdmi_core_mask_interrupts(struct hdmi_core_data *core)
524 {
525 void __iomem *base = core->base;
526
527 /* Master IRQ mask */
528 REG_FLD_MOD(base, HDMI_CORE_IH_MUTE, 0x3, 1, 0);
529
530 /* Mask all the interrupts in HDMI core */
531
532 REG_FLD_MOD(base, HDMI_CORE_VP_MASK, 0xff, 7, 0);
533 REG_FLD_MOD(base, HDMI_CORE_FC_MASK0, 0xe7, 7, 0);
534 REG_FLD_MOD(base, HDMI_CORE_FC_MASK1, 0xfb, 7, 0);
535 REG_FLD_MOD(base, HDMI_CORE_FC_MASK2, 0x3, 1, 0);
536
537 REG_FLD_MOD(base, HDMI_CORE_AUD_INT, 0x3, 3, 2);
538 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_MASK, 0x3, 1, 0);
539
540 REG_FLD_MOD(base, HDMI_CORE_CEC_MASK, 0x7f, 6, 0);
541
542 REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 6, 6);
543 REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 2, 2);
544 REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x1, 2, 2);
545
546 REG_FLD_MOD(base, HDMI_CORE_PHY_MASK0, 0xf3, 7, 0);
547
548 REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0);
549
550 /* Clear all the current interrupt bits */
551
552 REG_FLD_MOD(base, HDMI_CORE_IH_VP_STAT0, 0xff, 7, 0);
553 REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT0, 0xe7, 7, 0);
554 REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT1, 0xfb, 7, 0);
555 REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT2, 0x3, 1, 0);
556
557 REG_FLD_MOD(base, HDMI_CORE_IH_AS_STAT0, 0x7, 2, 0);
558
559 REG_FLD_MOD(base, HDMI_CORE_IH_CEC_STAT0, 0x7f, 6, 0);
560
561 REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0x3, 1, 0);
562
563 REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0);
564 }
565
hdmi_core_enable_interrupts(struct hdmi_core_data * core)566 static void hdmi_core_enable_interrupts(struct hdmi_core_data *core)
567 {
568 /* Unmute interrupts */
569 REG_FLD_MOD(core->base, HDMI_CORE_IH_MUTE, 0x0, 1, 0);
570 }
571
hdmi5_core_handle_irqs(struct hdmi_core_data * core)572 int hdmi5_core_handle_irqs(struct hdmi_core_data *core)
573 {
574 void __iomem *base = core->base;
575
576 REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT0, 0xff, 7, 0);
577 REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT1, 0xff, 7, 0);
578 REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT2, 0xff, 7, 0);
579 REG_FLD_MOD(base, HDMI_CORE_IH_AS_STAT0, 0xff, 7, 0);
580 REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0);
581 REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0xff, 7, 0);
582 REG_FLD_MOD(base, HDMI_CORE_IH_CEC_STAT0, 0xff, 7, 0);
583 REG_FLD_MOD(base, HDMI_CORE_IH_VP_STAT0, 0xff, 7, 0);
584 REG_FLD_MOD(base, HDMI_CORE_IH_I2CMPHY_STAT0, 0xff, 7, 0);
585
586 return 0;
587 }
588
hdmi5_configure(struct hdmi_core_data * core,struct hdmi_wp_data * wp,struct hdmi_config * cfg)589 void hdmi5_configure(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
590 struct hdmi_config *cfg)
591 {
592 struct omap_video_timings video_timing;
593 struct hdmi_video_format video_format;
594 struct hdmi_core_vid_config v_core_cfg;
595
596 hdmi_core_mask_interrupts(core);
597
598 hdmi_core_init(&v_core_cfg, cfg);
599
600 hdmi_wp_init_vid_fmt_timings(&video_format, &video_timing, cfg);
601
602 hdmi_wp_video_config_timing(wp, &video_timing);
603
604 /* video config */
605 video_format.packing_mode = HDMI_PACK_24b_RGB_YUV444_YUV422;
606
607 hdmi_wp_video_config_format(wp, &video_format);
608
609 hdmi_wp_video_config_interface(wp, &video_timing);
610
611 /* support limited range with 24 bit color depth for now */
612 hdmi_core_configure_range(core);
613 cfg->infoframe.quantization_range = HDMI_QUANTIZATION_RANGE_LIMITED;
614
615 /*
616 * configure core video part, set software reset in the core
617 */
618 v_core_cfg.packet_mode = HDMI_PACKETMODE24BITPERPIXEL;
619
620 hdmi_core_video_config(core, &v_core_cfg);
621
622 hdmi_core_config_video_packetizer(core);
623 hdmi_core_config_csc(core);
624 hdmi_core_config_video_sampler(core);
625
626 if (cfg->hdmi_dvi_mode == HDMI_HDMI)
627 hdmi_core_write_avi_infoframe(core, &cfg->infoframe);
628
629 hdmi_core_enable_video_path(core);
630
631 hdmi_core_enable_interrupts(core);
632 }
633
hdmi5_core_audio_config(struct hdmi_core_data * core,struct hdmi_core_audio_config * cfg)634 static void hdmi5_core_audio_config(struct hdmi_core_data *core,
635 struct hdmi_core_audio_config *cfg)
636 {
637 void __iomem *base = core->base;
638 u8 val;
639
640 /* Mute audio before configuring */
641 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 0xf, 7, 4);
642
643 /* Set the N parameter */
644 REG_FLD_MOD(base, HDMI_CORE_AUD_N1, cfg->n, 7, 0);
645 REG_FLD_MOD(base, HDMI_CORE_AUD_N2, cfg->n >> 8, 7, 0);
646 REG_FLD_MOD(base, HDMI_CORE_AUD_N3, cfg->n >> 16, 3, 0);
647
648 /*
649 * CTS manual mode. Automatic mode is not supported when using audio
650 * parallel interface.
651 */
652 REG_FLD_MOD(base, HDMI_CORE_AUD_CTS3, 1, 4, 4);
653 REG_FLD_MOD(base, HDMI_CORE_AUD_CTS1, cfg->cts, 7, 0);
654 REG_FLD_MOD(base, HDMI_CORE_AUD_CTS2, cfg->cts >> 8, 7, 0);
655 REG_FLD_MOD(base, HDMI_CORE_AUD_CTS3, cfg->cts >> 16, 3, 0);
656
657 /* Layout of Audio Sample Packets: 2-channel or multichannels */
658 if (cfg->layout == HDMI_AUDIO_LAYOUT_2CH)
659 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 0, 0, 0);
660 else
661 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 1, 0, 0);
662
663 /* Configure IEC-609580 Validity bits */
664 /* Channel 0 is valid */
665 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, 0, 0, 0);
666 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, 0, 4, 4);
667
668 if (cfg->layout == HDMI_AUDIO_LAYOUT_2CH)
669 val = 1;
670 else
671 val = 0;
672
673 /* Channels 1, 2 setting */
674 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 1, 1);
675 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 5, 5);
676 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 2, 2);
677 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 6, 6);
678 /* Channel 3 setting */
679 if (cfg->layout == HDMI_AUDIO_LAYOUT_6CH)
680 val = 1;
681 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 3, 3);
682 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 7, 7);
683
684 /* Configure IEC-60958 User bits */
685 /* TODO: should be set by user. */
686 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSU, 0, 7, 0);
687
688 /* Configure IEC-60958 Channel Status word */
689 /* CGMSA */
690 val = cfg->iec60958_cfg->status[5] & IEC958_AES5_CON_CGMSA;
691 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(0), val, 5, 4);
692
693 /* Copyright */
694 val = (cfg->iec60958_cfg->status[0] &
695 IEC958_AES0_CON_NOT_COPYRIGHT) >> 2;
696 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(0), val, 0, 0);
697
698 /* Category */
699 hdmi_write_reg(base, HDMI_CORE_FC_AUDSCHNLS(1),
700 cfg->iec60958_cfg->status[1]);
701
702 /* PCM audio mode */
703 val = (cfg->iec60958_cfg->status[0] & IEC958_AES0_CON_MODE) >> 6;
704 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(2), val, 6, 4);
705
706 /* Source number */
707 val = cfg->iec60958_cfg->status[2] & IEC958_AES2_CON_SOURCE;
708 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(2), val, 3, 0);
709
710 /* Channel number right 0 */
711 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(3), 2, 3, 0);
712 /* Channel number right 1*/
713 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(3), 4, 7, 4);
714 /* Channel number right 2 */
715 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(4), 6, 3, 0);
716 /* Channel number right 3*/
717 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(4), 8, 7, 4);
718 /* Channel number left 0 */
719 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(5), 1, 3, 0);
720 /* Channel number left 1*/
721 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(5), 3, 7, 4);
722 /* Channel number left 2 */
723 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(6), 5, 3, 0);
724 /* Channel number left 3*/
725 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(6), 7, 7, 4);
726
727 /* Clock accuracy and sample rate */
728 hdmi_write_reg(base, HDMI_CORE_FC_AUDSCHNLS(7),
729 cfg->iec60958_cfg->status[3]);
730
731 /* Original sample rate and word length */
732 hdmi_write_reg(base, HDMI_CORE_FC_AUDSCHNLS(8),
733 cfg->iec60958_cfg->status[4]);
734
735 /* Enable FIFO empty and full interrupts */
736 REG_FLD_MOD(base, HDMI_CORE_AUD_INT, 3, 3, 2);
737
738 /* Configure GPA */
739 /* select HBR/SPDIF interfaces */
740 if (cfg->layout == HDMI_AUDIO_LAYOUT_2CH) {
741 /* select HBR/SPDIF interfaces */
742 REG_FLD_MOD(base, HDMI_CORE_AUD_CONF0, 0, 5, 5);
743 /* enable two channels in GPA */
744 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF1, 3, 7, 0);
745 } else if (cfg->layout == HDMI_AUDIO_LAYOUT_6CH) {
746 /* select HBR/SPDIF interfaces */
747 REG_FLD_MOD(base, HDMI_CORE_AUD_CONF0, 0, 5, 5);
748 /* enable six channels in GPA */
749 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF1, 0x3F, 7, 0);
750 } else {
751 /* select HBR/SPDIF interfaces */
752 REG_FLD_MOD(base, HDMI_CORE_AUD_CONF0, 0, 5, 5);
753 /* enable eight channels in GPA */
754 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF1, 0xFF, 7, 0);
755 }
756
757 /* disable HBR */
758 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF2, 0, 0, 0);
759 /* enable PCUV */
760 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF2, 1, 1, 1);
761 /* enable GPA FIFO full and empty mask */
762 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_MASK, 3, 1, 0);
763 /* set polarity of GPA FIFO empty interrupts */
764 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_POL, 1, 0, 0);
765
766 /* unmute audio */
767 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 0, 7, 4);
768 }
769
hdmi5_core_audio_infoframe_cfg(struct hdmi_core_data * core,struct snd_cea_861_aud_if * info_aud)770 static void hdmi5_core_audio_infoframe_cfg(struct hdmi_core_data *core,
771 struct snd_cea_861_aud_if *info_aud)
772 {
773 void __iomem *base = core->base;
774
775 /* channel count and coding type fields in AUDICONF0 are swapped */
776 hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF0,
777 (info_aud->db1_ct_cc & CEA861_AUDIO_INFOFRAME_DB1CC) << 4 |
778 (info_aud->db1_ct_cc & CEA861_AUDIO_INFOFRAME_DB1CT) >> 4);
779
780 hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF1, info_aud->db2_sf_ss);
781 hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF2, info_aud->db4_ca);
782 hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF3,
783 (info_aud->db5_dminh_lsv & CEA861_AUDIO_INFOFRAME_DB5_DM_INH) >> 3 |
784 (info_aud->db5_dminh_lsv & CEA861_AUDIO_INFOFRAME_DB5_LSV));
785 }
786
hdmi5_audio_config(struct hdmi_core_data * core,struct hdmi_wp_data * wp,struct omap_dss_audio * audio,u32 pclk)787 int hdmi5_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
788 struct omap_dss_audio *audio, u32 pclk)
789 {
790 struct hdmi_audio_format audio_format;
791 struct hdmi_audio_dma audio_dma;
792 struct hdmi_core_audio_config core_cfg;
793 int n, cts, channel_count;
794 unsigned int fs_nr;
795 bool word_length_16b = false;
796
797 if (!audio || !audio->iec || !audio->cea || !core)
798 return -EINVAL;
799
800 core_cfg.iec60958_cfg = audio->iec;
801
802 if (!(audio->iec->status[4] & IEC958_AES4_CON_MAX_WORDLEN_24) &&
803 (audio->iec->status[4] & IEC958_AES4_CON_WORDLEN_20_16))
804 word_length_16b = true;
805
806 /* only 16-bit word length supported atm */
807 if (!word_length_16b)
808 return -EINVAL;
809
810 switch (audio->iec->status[3] & IEC958_AES3_CON_FS) {
811 case IEC958_AES3_CON_FS_32000:
812 fs_nr = 32000;
813 break;
814 case IEC958_AES3_CON_FS_44100:
815 fs_nr = 44100;
816 break;
817 case IEC958_AES3_CON_FS_48000:
818 fs_nr = 48000;
819 break;
820 case IEC958_AES3_CON_FS_88200:
821 fs_nr = 88200;
822 break;
823 case IEC958_AES3_CON_FS_96000:
824 fs_nr = 96000;
825 break;
826 case IEC958_AES3_CON_FS_176400:
827 fs_nr = 176400;
828 break;
829 case IEC958_AES3_CON_FS_192000:
830 fs_nr = 192000;
831 break;
832 default:
833 return -EINVAL;
834 }
835
836 hdmi_compute_acr(pclk, fs_nr, &n, &cts);
837 core_cfg.n = n;
838 core_cfg.cts = cts;
839
840 /* Audio channels settings */
841 channel_count = (audio->cea->db1_ct_cc & CEA861_AUDIO_INFOFRAME_DB1CC)
842 + 1;
843
844 if (channel_count == 2)
845 core_cfg.layout = HDMI_AUDIO_LAYOUT_2CH;
846 else if (channel_count == 6)
847 core_cfg.layout = HDMI_AUDIO_LAYOUT_6CH;
848 else
849 core_cfg.layout = HDMI_AUDIO_LAYOUT_8CH;
850
851 /* DMA settings */
852 if (word_length_16b)
853 audio_dma.transfer_size = 0x10;
854 else
855 audio_dma.transfer_size = 0x20;
856 audio_dma.block_size = 0xC0;
857 audio_dma.mode = HDMI_AUDIO_TRANSF_DMA;
858 audio_dma.fifo_threshold = 0x20; /* in number of samples */
859
860 /* audio FIFO format settings for 16-bit samples*/
861 audio_format.samples_per_word = HDMI_AUDIO_ONEWORD_TWOSAMPLES;
862 audio_format.sample_size = HDMI_AUDIO_SAMPLE_16BITS;
863 audio_format.justification = HDMI_AUDIO_JUSTIFY_LEFT;
864 audio_format.sample_order = HDMI_AUDIO_SAMPLE_LEFT_FIRST;
865
866 /* only LPCM atm */
867 audio_format.type = HDMI_AUDIO_TYPE_LPCM;
868
869 /* only allowed option */
870 audio_format.sample_order = HDMI_AUDIO_SAMPLE_LEFT_FIRST;
871
872 /* disable start/stop signals of IEC 60958 blocks */
873 audio_format.en_sig_blk_strt_end = HDMI_AUDIO_BLOCK_SIG_STARTEND_ON;
874
875 /* configure DMA and audio FIFO format*/
876 hdmi_wp_audio_config_dma(wp, &audio_dma);
877 hdmi_wp_audio_config_format(wp, &audio_format);
878
879 /* configure the core */
880 hdmi5_core_audio_config(core, &core_cfg);
881
882 /* configure CEA 861 audio infoframe */
883 hdmi5_core_audio_infoframe_cfg(core, audio->cea);
884
885 return 0;
886 }
887
hdmi5_core_init(struct platform_device * pdev,struct hdmi_core_data * core)888 int hdmi5_core_init(struct platform_device *pdev, struct hdmi_core_data *core)
889 {
890 core->base = devm_platform_ioremap_resource_byname(pdev, "core");
891 if (IS_ERR(core->base)) {
892 DSSERR("can't ioremap HDMI core\n");
893 return PTR_ERR(core->base);
894 }
895
896 return 0;
897 }
898