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edec4af4 TR |
1 | /* |
2 | * Copyright (C) 2012 Avionic Design GmbH | |
3 | * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 as | |
7 | * published by the Free Software Foundation. | |
8 | */ | |
9 | ||
10 | #include <linux/clk.h> | |
11 | #include <linux/debugfs.h> | |
12 | #include <linux/gpio.h> | |
ac24c220 | 13 | #include <linux/hdmi.h> |
edec4af4 TR |
14 | #include <linux/module.h> |
15 | #include <linux/of.h> | |
16 | #include <linux/platform_device.h> | |
17 | #include <linux/regulator/consumer.h> | |
61fd290d | 18 | #include <linux/clk/tegra.h> |
edec4af4 | 19 | |
ac24c220 TR |
20 | #include <drm/drm_edid.h> |
21 | ||
edec4af4 TR |
22 | #include "hdmi.h" |
23 | #include "drm.h" | |
24 | #include "dc.h" | |
692e6d7b | 25 | #include "host1x_client.h" |
edec4af4 TR |
26 | |
27 | struct tegra_hdmi { | |
28 | struct host1x_client client; | |
29 | struct tegra_output output; | |
30 | struct device *dev; | |
31 | ||
32 | struct regulator *vdd; | |
33 | struct regulator *pll; | |
34 | ||
35 | void __iomem *regs; | |
36 | unsigned int irq; | |
37 | ||
38 | struct clk *clk_parent; | |
39 | struct clk *clk; | |
40 | ||
41 | unsigned int audio_source; | |
42 | unsigned int audio_freq; | |
43 | bool stereo; | |
44 | bool dvi; | |
45 | ||
46 | struct drm_info_list *debugfs_files; | |
47 | struct drm_minor *minor; | |
48 | struct dentry *debugfs; | |
49 | }; | |
50 | ||
51 | static inline struct tegra_hdmi * | |
52 | host1x_client_to_hdmi(struct host1x_client *client) | |
53 | { | |
54 | return container_of(client, struct tegra_hdmi, client); | |
55 | } | |
56 | ||
57 | static inline struct tegra_hdmi *to_hdmi(struct tegra_output *output) | |
58 | { | |
59 | return container_of(output, struct tegra_hdmi, output); | |
60 | } | |
61 | ||
62 | #define HDMI_AUDIOCLK_FREQ 216000000 | |
63 | #define HDMI_REKEY_DEFAULT 56 | |
64 | ||
65 | enum { | |
66 | AUTO = 0, | |
67 | SPDIF, | |
68 | HDA, | |
69 | }; | |
70 | ||
71 | static inline unsigned long tegra_hdmi_readl(struct tegra_hdmi *hdmi, | |
72 | unsigned long reg) | |
73 | { | |
74 | return readl(hdmi->regs + (reg << 2)); | |
75 | } | |
76 | ||
77 | static inline void tegra_hdmi_writel(struct tegra_hdmi *hdmi, unsigned long val, | |
78 | unsigned long reg) | |
79 | { | |
80 | writel(val, hdmi->regs + (reg << 2)); | |
81 | } | |
82 | ||
83 | struct tegra_hdmi_audio_config { | |
84 | unsigned int pclk; | |
85 | unsigned int n; | |
86 | unsigned int cts; | |
87 | unsigned int aval; | |
88 | }; | |
89 | ||
90 | static const struct tegra_hdmi_audio_config tegra_hdmi_audio_32k[] = { | |
91 | { 25200000, 4096, 25200, 24000 }, | |
92 | { 27000000, 4096, 27000, 24000 }, | |
93 | { 74250000, 4096, 74250, 24000 }, | |
94 | { 148500000, 4096, 148500, 24000 }, | |
95 | { 0, 0, 0, 0 }, | |
96 | }; | |
97 | ||
98 | static const struct tegra_hdmi_audio_config tegra_hdmi_audio_44_1k[] = { | |
99 | { 25200000, 5880, 26250, 25000 }, | |
100 | { 27000000, 5880, 28125, 25000 }, | |
101 | { 74250000, 4704, 61875, 20000 }, | |
102 | { 148500000, 4704, 123750, 20000 }, | |
103 | { 0, 0, 0, 0 }, | |
104 | }; | |
105 | ||
106 | static const struct tegra_hdmi_audio_config tegra_hdmi_audio_48k[] = { | |
107 | { 25200000, 6144, 25200, 24000 }, | |
108 | { 27000000, 6144, 27000, 24000 }, | |
109 | { 74250000, 6144, 74250, 24000 }, | |
110 | { 148500000, 6144, 148500, 24000 }, | |
111 | { 0, 0, 0, 0 }, | |
112 | }; | |
113 | ||
114 | static const struct tegra_hdmi_audio_config tegra_hdmi_audio_88_2k[] = { | |
115 | { 25200000, 11760, 26250, 25000 }, | |
116 | { 27000000, 11760, 28125, 25000 }, | |
117 | { 74250000, 9408, 61875, 20000 }, | |
118 | { 148500000, 9408, 123750, 20000 }, | |
119 | { 0, 0, 0, 0 }, | |
120 | }; | |
121 | ||
122 | static const struct tegra_hdmi_audio_config tegra_hdmi_audio_96k[] = { | |
123 | { 25200000, 12288, 25200, 24000 }, | |
124 | { 27000000, 12288, 27000, 24000 }, | |
125 | { 74250000, 12288, 74250, 24000 }, | |
126 | { 148500000, 12288, 148500, 24000 }, | |
127 | { 0, 0, 0, 0 }, | |
128 | }; | |
129 | ||
130 | static const struct tegra_hdmi_audio_config tegra_hdmi_audio_176_4k[] = { | |
131 | { 25200000, 23520, 26250, 25000 }, | |
132 | { 27000000, 23520, 28125, 25000 }, | |
133 | { 74250000, 18816, 61875, 20000 }, | |
134 | { 148500000, 18816, 123750, 20000 }, | |
135 | { 0, 0, 0, 0 }, | |
136 | }; | |
137 | ||
138 | static const struct tegra_hdmi_audio_config tegra_hdmi_audio_192k[] = { | |
139 | { 25200000, 24576, 25200, 24000 }, | |
140 | { 27000000, 24576, 27000, 24000 }, | |
141 | { 74250000, 24576, 74250, 24000 }, | |
142 | { 148500000, 24576, 148500, 24000 }, | |
143 | { 0, 0, 0, 0 }, | |
144 | }; | |
145 | ||
146 | struct tmds_config { | |
147 | unsigned int pclk; | |
148 | u32 pll0; | |
149 | u32 pll1; | |
150 | u32 pe_current; | |
151 | u32 drive_current; | |
152 | }; | |
153 | ||
154 | static const struct tmds_config tegra2_tmds_config[] = { | |
fa416ddc | 155 | { /* slow pixel clock modes */ |
edec4af4 TR |
156 | .pclk = 27000000, |
157 | .pll0 = SOR_PLL_BG_V17_S(3) | SOR_PLL_ICHPMP(1) | | |
158 | SOR_PLL_RESISTORSEL | SOR_PLL_VCOCAP(0) | | |
159 | SOR_PLL_TX_REG_LOAD(3), | |
160 | .pll1 = SOR_PLL_TMDS_TERM_ENABLE, | |
161 | .pe_current = PE_CURRENT0(PE_CURRENT_0_0_mA) | | |
162 | PE_CURRENT1(PE_CURRENT_0_0_mA) | | |
163 | PE_CURRENT2(PE_CURRENT_0_0_mA) | | |
164 | PE_CURRENT3(PE_CURRENT_0_0_mA), | |
165 | .drive_current = DRIVE_CURRENT_LANE0(DRIVE_CURRENT_7_125_mA) | | |
166 | DRIVE_CURRENT_LANE1(DRIVE_CURRENT_7_125_mA) | | |
167 | DRIVE_CURRENT_LANE2(DRIVE_CURRENT_7_125_mA) | | |
168 | DRIVE_CURRENT_LANE3(DRIVE_CURRENT_7_125_mA), | |
fa416ddc LS |
169 | }, |
170 | { /* high pixel clock modes */ | |
edec4af4 TR |
171 | .pclk = UINT_MAX, |
172 | .pll0 = SOR_PLL_BG_V17_S(3) | SOR_PLL_ICHPMP(1) | | |
173 | SOR_PLL_RESISTORSEL | SOR_PLL_VCOCAP(1) | | |
174 | SOR_PLL_TX_REG_LOAD(3), | |
175 | .pll1 = SOR_PLL_TMDS_TERM_ENABLE | SOR_PLL_PE_EN, | |
176 | .pe_current = PE_CURRENT0(PE_CURRENT_6_0_mA) | | |
177 | PE_CURRENT1(PE_CURRENT_6_0_mA) | | |
178 | PE_CURRENT2(PE_CURRENT_6_0_mA) | | |
179 | PE_CURRENT3(PE_CURRENT_6_0_mA), | |
180 | .drive_current = DRIVE_CURRENT_LANE0(DRIVE_CURRENT_7_125_mA) | | |
181 | DRIVE_CURRENT_LANE1(DRIVE_CURRENT_7_125_mA) | | |
182 | DRIVE_CURRENT_LANE2(DRIVE_CURRENT_7_125_mA) | | |
183 | DRIVE_CURRENT_LANE3(DRIVE_CURRENT_7_125_mA), | |
184 | }, | |
185 | }; | |
186 | ||
187 | static const struct tmds_config tegra3_tmds_config[] = { | |
188 | { /* 480p modes */ | |
189 | .pclk = 27000000, | |
190 | .pll0 = SOR_PLL_BG_V17_S(3) | SOR_PLL_ICHPMP(1) | | |
191 | SOR_PLL_RESISTORSEL | SOR_PLL_VCOCAP(0) | | |
192 | SOR_PLL_TX_REG_LOAD(0), | |
193 | .pll1 = SOR_PLL_TMDS_TERM_ENABLE, | |
194 | .pe_current = PE_CURRENT0(PE_CURRENT_0_0_mA) | | |
195 | PE_CURRENT1(PE_CURRENT_0_0_mA) | | |
196 | PE_CURRENT2(PE_CURRENT_0_0_mA) | | |
197 | PE_CURRENT3(PE_CURRENT_0_0_mA), | |
198 | .drive_current = DRIVE_CURRENT_LANE0(DRIVE_CURRENT_5_250_mA) | | |
199 | DRIVE_CURRENT_LANE1(DRIVE_CURRENT_5_250_mA) | | |
200 | DRIVE_CURRENT_LANE2(DRIVE_CURRENT_5_250_mA) | | |
201 | DRIVE_CURRENT_LANE3(DRIVE_CURRENT_5_250_mA), | |
202 | }, { /* 720p modes */ | |
203 | .pclk = 74250000, | |
204 | .pll0 = SOR_PLL_BG_V17_S(3) | SOR_PLL_ICHPMP(1) | | |
205 | SOR_PLL_RESISTORSEL | SOR_PLL_VCOCAP(1) | | |
206 | SOR_PLL_TX_REG_LOAD(0), | |
207 | .pll1 = SOR_PLL_TMDS_TERM_ENABLE | SOR_PLL_PE_EN, | |
208 | .pe_current = PE_CURRENT0(PE_CURRENT_5_0_mA) | | |
209 | PE_CURRENT1(PE_CURRENT_5_0_mA) | | |
210 | PE_CURRENT2(PE_CURRENT_5_0_mA) | | |
211 | PE_CURRENT3(PE_CURRENT_5_0_mA), | |
212 | .drive_current = DRIVE_CURRENT_LANE0(DRIVE_CURRENT_5_250_mA) | | |
213 | DRIVE_CURRENT_LANE1(DRIVE_CURRENT_5_250_mA) | | |
214 | DRIVE_CURRENT_LANE2(DRIVE_CURRENT_5_250_mA) | | |
215 | DRIVE_CURRENT_LANE3(DRIVE_CURRENT_5_250_mA), | |
216 | }, { /* 1080p modes */ | |
217 | .pclk = UINT_MAX, | |
218 | .pll0 = SOR_PLL_BG_V17_S(3) | SOR_PLL_ICHPMP(1) | | |
219 | SOR_PLL_RESISTORSEL | SOR_PLL_VCOCAP(3) | | |
220 | SOR_PLL_TX_REG_LOAD(0), | |
221 | .pll1 = SOR_PLL_TMDS_TERM_ENABLE | SOR_PLL_PE_EN, | |
222 | .pe_current = PE_CURRENT0(PE_CURRENT_5_0_mA) | | |
223 | PE_CURRENT1(PE_CURRENT_5_0_mA) | | |
224 | PE_CURRENT2(PE_CURRENT_5_0_mA) | | |
225 | PE_CURRENT3(PE_CURRENT_5_0_mA), | |
226 | .drive_current = DRIVE_CURRENT_LANE0(DRIVE_CURRENT_5_250_mA) | | |
227 | DRIVE_CURRENT_LANE1(DRIVE_CURRENT_5_250_mA) | | |
228 | DRIVE_CURRENT_LANE2(DRIVE_CURRENT_5_250_mA) | | |
229 | DRIVE_CURRENT_LANE3(DRIVE_CURRENT_5_250_mA), | |
230 | }, | |
231 | }; | |
232 | ||
233 | static const struct tegra_hdmi_audio_config * | |
234 | tegra_hdmi_get_audio_config(unsigned int audio_freq, unsigned int pclk) | |
235 | { | |
236 | const struct tegra_hdmi_audio_config *table; | |
237 | ||
238 | switch (audio_freq) { | |
239 | case 32000: | |
240 | table = tegra_hdmi_audio_32k; | |
241 | break; | |
242 | ||
243 | case 44100: | |
244 | table = tegra_hdmi_audio_44_1k; | |
245 | break; | |
246 | ||
247 | case 48000: | |
248 | table = tegra_hdmi_audio_48k; | |
249 | break; | |
250 | ||
251 | case 88200: | |
252 | table = tegra_hdmi_audio_88_2k; | |
253 | break; | |
254 | ||
255 | case 96000: | |
256 | table = tegra_hdmi_audio_96k; | |
257 | break; | |
258 | ||
259 | case 176400: | |
260 | table = tegra_hdmi_audio_176_4k; | |
261 | break; | |
262 | ||
263 | case 192000: | |
264 | table = tegra_hdmi_audio_192k; | |
265 | break; | |
266 | ||
267 | default: | |
268 | return NULL; | |
269 | } | |
270 | ||
271 | while (table->pclk) { | |
272 | if (table->pclk == pclk) | |
273 | return table; | |
274 | ||
275 | table++; | |
276 | } | |
277 | ||
278 | return NULL; | |
279 | } | |
280 | ||
281 | static void tegra_hdmi_setup_audio_fs_tables(struct tegra_hdmi *hdmi) | |
282 | { | |
283 | const unsigned int freqs[] = { | |
284 | 32000, 44100, 48000, 88200, 96000, 176400, 192000 | |
285 | }; | |
286 | unsigned int i; | |
287 | ||
288 | for (i = 0; i < ARRAY_SIZE(freqs); i++) { | |
289 | unsigned int f = freqs[i]; | |
290 | unsigned int eight_half; | |
291 | unsigned long value; | |
292 | unsigned int delta; | |
293 | ||
294 | if (f > 96000) | |
295 | delta = 2; | |
296 | else if (f > 480000) | |
297 | delta = 6; | |
298 | else | |
299 | delta = 9; | |
300 | ||
301 | eight_half = (8 * HDMI_AUDIOCLK_FREQ) / (f * 128); | |
302 | value = AUDIO_FS_LOW(eight_half - delta) | | |
303 | AUDIO_FS_HIGH(eight_half + delta); | |
304 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_FS(i)); | |
305 | } | |
306 | } | |
307 | ||
308 | static int tegra_hdmi_setup_audio(struct tegra_hdmi *hdmi, unsigned int pclk) | |
309 | { | |
310 | struct device_node *node = hdmi->dev->of_node; | |
311 | const struct tegra_hdmi_audio_config *config; | |
312 | unsigned int offset = 0; | |
313 | unsigned long value; | |
314 | ||
315 | switch (hdmi->audio_source) { | |
316 | case HDA: | |
317 | value = AUDIO_CNTRL0_SOURCE_SELECT_HDAL; | |
318 | break; | |
319 | ||
320 | case SPDIF: | |
321 | value = AUDIO_CNTRL0_SOURCE_SELECT_SPDIF; | |
322 | break; | |
323 | ||
324 | default: | |
325 | value = AUDIO_CNTRL0_SOURCE_SELECT_AUTO; | |
326 | break; | |
327 | } | |
328 | ||
329 | if (of_device_is_compatible(node, "nvidia,tegra30-hdmi")) { | |
330 | value |= AUDIO_CNTRL0_ERROR_TOLERANCE(6) | | |
331 | AUDIO_CNTRL0_FRAMES_PER_BLOCK(0xc0); | |
332 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_CNTRL0); | |
333 | } else { | |
334 | value |= AUDIO_CNTRL0_INJECT_NULLSMPL; | |
335 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_AUDIO_CNTRL0); | |
336 | ||
337 | value = AUDIO_CNTRL0_ERROR_TOLERANCE(6) | | |
338 | AUDIO_CNTRL0_FRAMES_PER_BLOCK(0xc0); | |
339 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_CNTRL0); | |
340 | } | |
341 | ||
342 | config = tegra_hdmi_get_audio_config(hdmi->audio_freq, pclk); | |
343 | if (!config) { | |
344 | dev_err(hdmi->dev, "cannot set audio to %u at %u pclk\n", | |
345 | hdmi->audio_freq, pclk); | |
346 | return -EINVAL; | |
347 | } | |
348 | ||
349 | tegra_hdmi_writel(hdmi, 0, HDMI_NV_PDISP_HDMI_ACR_CTRL); | |
350 | ||
351 | value = AUDIO_N_RESETF | AUDIO_N_GENERATE_ALTERNATE | | |
352 | AUDIO_N_VALUE(config->n - 1); | |
353 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_N); | |
354 | ||
355 | tegra_hdmi_writel(hdmi, ACR_SUBPACK_N(config->n) | ACR_ENABLE, | |
356 | HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_HIGH); | |
357 | ||
358 | value = ACR_SUBPACK_CTS(config->cts); | |
359 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_LOW); | |
360 | ||
361 | value = SPARE_HW_CTS | SPARE_FORCE_SW_CTS | SPARE_CTS_RESET_VAL(1); | |
362 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_SPARE); | |
363 | ||
364 | value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_AUDIO_N); | |
365 | value &= ~AUDIO_N_RESETF; | |
366 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_N); | |
367 | ||
368 | if (of_device_is_compatible(node, "nvidia,tegra30-hdmi")) { | |
369 | switch (hdmi->audio_freq) { | |
370 | case 32000: | |
371 | offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_0320; | |
372 | break; | |
373 | ||
374 | case 44100: | |
375 | offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_0441; | |
376 | break; | |
377 | ||
378 | case 48000: | |
379 | offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_0480; | |
380 | break; | |
381 | ||
382 | case 88200: | |
383 | offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_0882; | |
384 | break; | |
385 | ||
386 | case 96000: | |
387 | offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_0960; | |
388 | break; | |
389 | ||
390 | case 176400: | |
391 | offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_1764; | |
392 | break; | |
393 | ||
394 | case 192000: | |
395 | offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_1920; | |
396 | break; | |
397 | } | |
398 | ||
399 | tegra_hdmi_writel(hdmi, config->aval, offset); | |
400 | } | |
401 | ||
402 | tegra_hdmi_setup_audio_fs_tables(hdmi); | |
403 | ||
404 | return 0; | |
405 | } | |
406 | ||
ac24c220 | 407 | static inline unsigned long tegra_hdmi_subpack(const u8 *ptr, size_t size) |
edec4af4 | 408 | { |
ac24c220 | 409 | unsigned long value = 0; |
edec4af4 | 410 | size_t i; |
edec4af4 | 411 | |
ac24c220 TR |
412 | for (i = size; i > 0; i--) |
413 | value = (value << 8) | ptr[i - 1]; | |
edec4af4 | 414 | |
ac24c220 TR |
415 | return value; |
416 | } | |
edec4af4 | 417 | |
ac24c220 TR |
418 | static void tegra_hdmi_write_infopack(struct tegra_hdmi *hdmi, const void *data, |
419 | size_t size) | |
420 | { | |
421 | const u8 *ptr = data; | |
422 | unsigned long offset; | |
423 | unsigned long value; | |
424 | size_t i, j; | |
edec4af4 | 425 | |
ac24c220 TR |
426 | switch (ptr[0]) { |
427 | case HDMI_INFOFRAME_TYPE_AVI: | |
428 | offset = HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_HEADER; | |
429 | break; | |
edec4af4 | 430 | |
ac24c220 TR |
431 | case HDMI_INFOFRAME_TYPE_AUDIO: |
432 | offset = HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_HEADER; | |
433 | break; | |
edec4af4 | 434 | |
ac24c220 TR |
435 | case HDMI_INFOFRAME_TYPE_VENDOR: |
436 | offset = HDMI_NV_PDISP_HDMI_GENERIC_HEADER; | |
437 | break; | |
438 | ||
439 | default: | |
440 | dev_err(hdmi->dev, "unsupported infoframe type: %02x\n", | |
441 | ptr[0]); | |
442 | return; | |
443 | } | |
edec4af4 | 444 | |
ac24c220 TR |
445 | value = INFOFRAME_HEADER_TYPE(ptr[0]) | |
446 | INFOFRAME_HEADER_VERSION(ptr[1]) | | |
447 | INFOFRAME_HEADER_LEN(ptr[2]); | |
448 | tegra_hdmi_writel(hdmi, value, offset); | |
449 | offset++; | |
edec4af4 | 450 | |
ac24c220 TR |
451 | /* |
452 | * Each subpack contains 7 bytes, divided into: | |
453 | * - subpack_low: bytes 0 - 3 | |
454 | * - subpack_high: bytes 4 - 6 (with byte 7 padded to 0x00) | |
455 | */ | |
456 | for (i = 3, j = 0; i < size; i += 7, j += 8) { | |
457 | size_t rem = size - i, num = min_t(size_t, rem, 4); | |
edec4af4 | 458 | |
ac24c220 TR |
459 | value = tegra_hdmi_subpack(&ptr[i], num); |
460 | tegra_hdmi_writel(hdmi, value, offset++); | |
edec4af4 | 461 | |
ac24c220 TR |
462 | num = min_t(size_t, rem - num, 3); |
463 | ||
464 | value = tegra_hdmi_subpack(&ptr[i + 4], num); | |
465 | tegra_hdmi_writel(hdmi, value, offset++); | |
edec4af4 TR |
466 | } |
467 | } | |
468 | ||
469 | static void tegra_hdmi_setup_avi_infoframe(struct tegra_hdmi *hdmi, | |
470 | struct drm_display_mode *mode) | |
471 | { | |
472 | struct hdmi_avi_infoframe frame; | |
ac24c220 TR |
473 | u8 buffer[17]; |
474 | ssize_t err; | |
edec4af4 TR |
475 | |
476 | if (hdmi->dvi) { | |
477 | tegra_hdmi_writel(hdmi, 0, | |
478 | HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_CTRL); | |
479 | return; | |
480 | } | |
481 | ||
ac24c220 TR |
482 | err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); |
483 | if (err < 0) { | |
484 | dev_err(hdmi->dev, "failed to setup AVI infoframe: %zd\n", err); | |
485 | return; | |
486 | } | |
edec4af4 | 487 | |
ac24c220 TR |
488 | err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); |
489 | if (err < 0) { | |
490 | dev_err(hdmi->dev, "failed to pack AVI infoframe: %zd\n", err); | |
491 | return; | |
edec4af4 TR |
492 | } |
493 | ||
ac24c220 | 494 | tegra_hdmi_write_infopack(hdmi, buffer, err); |
edec4af4 TR |
495 | |
496 | tegra_hdmi_writel(hdmi, INFOFRAME_CTRL_ENABLE, | |
497 | HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_CTRL); | |
498 | } | |
499 | ||
500 | static void tegra_hdmi_setup_audio_infoframe(struct tegra_hdmi *hdmi) | |
501 | { | |
502 | struct hdmi_audio_infoframe frame; | |
ac24c220 TR |
503 | u8 buffer[14]; |
504 | ssize_t err; | |
edec4af4 TR |
505 | |
506 | if (hdmi->dvi) { | |
507 | tegra_hdmi_writel(hdmi, 0, | |
508 | HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_CTRL); | |
509 | return; | |
510 | } | |
511 | ||
ac24c220 TR |
512 | err = hdmi_audio_infoframe_init(&frame); |
513 | if (err < 0) { | |
514 | dev_err(hdmi->dev, "failed to initialize audio infoframe: %d\n", | |
515 | err); | |
516 | return; | |
517 | } | |
518 | ||
519 | frame.channels = 2; | |
520 | ||
521 | err = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer)); | |
522 | if (err < 0) { | |
523 | dev_err(hdmi->dev, "failed to pack audio infoframe: %zd\n", | |
524 | err); | |
525 | return; | |
526 | } | |
edec4af4 | 527 | |
ac24c220 TR |
528 | /* |
529 | * The audio infoframe has only one set of subpack registers, so the | |
530 | * infoframe needs to be truncated. One set of subpack registers can | |
531 | * contain 7 bytes. Including the 3 byte header only the first 10 | |
532 | * bytes can be programmed. | |
533 | */ | |
534 | tegra_hdmi_write_infopack(hdmi, buffer, min(10, err)); | |
edec4af4 TR |
535 | |
536 | tegra_hdmi_writel(hdmi, INFOFRAME_CTRL_ENABLE, | |
537 | HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_CTRL); | |
538 | } | |
539 | ||
540 | static void tegra_hdmi_setup_stereo_infoframe(struct tegra_hdmi *hdmi) | |
541 | { | |
ac24c220 | 542 | struct hdmi_vendor_infoframe frame; |
edec4af4 | 543 | unsigned long value; |
ac24c220 TR |
544 | u8 buffer[10]; |
545 | ssize_t err; | |
edec4af4 TR |
546 | |
547 | if (!hdmi->stereo) { | |
548 | value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_HDMI_GENERIC_CTRL); | |
549 | value &= ~GENERIC_CTRL_ENABLE; | |
550 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_GENERIC_CTRL); | |
551 | return; | |
552 | } | |
553 | ||
554 | memset(&frame, 0, sizeof(frame)); | |
ac24c220 TR |
555 | |
556 | frame.type = HDMI_INFOFRAME_TYPE_VENDOR; | |
557 | frame.version = 0x01; | |
558 | frame.length = 6; | |
559 | ||
560 | frame.data[0] = 0x03; /* regid0 */ | |
561 | frame.data[1] = 0x0c; /* regid1 */ | |
562 | frame.data[2] = 0x00; /* regid2 */ | |
563 | frame.data[3] = 0x02 << 5; /* video format */ | |
edec4af4 TR |
564 | |
565 | /* TODO: 74 MHz limit? */ | |
566 | if (1) { | |
ac24c220 | 567 | frame.data[4] = 0x00 << 4; /* 3D structure */ |
edec4af4 | 568 | } else { |
ac24c220 TR |
569 | frame.data[4] = 0x08 << 4; /* 3D structure */ |
570 | frame.data[5] = 0x00 << 4; /* 3D ext. data */ | |
571 | } | |
572 | ||
573 | err = hdmi_vendor_infoframe_pack(&frame, buffer, sizeof(buffer)); | |
574 | if (err < 0) { | |
575 | dev_err(hdmi->dev, "failed to pack vendor infoframe: %zd\n", | |
576 | err); | |
577 | return; | |
edec4af4 TR |
578 | } |
579 | ||
ac24c220 | 580 | tegra_hdmi_write_infopack(hdmi, buffer, err); |
edec4af4 TR |
581 | |
582 | value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_HDMI_GENERIC_CTRL); | |
583 | value |= GENERIC_CTRL_ENABLE; | |
584 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_GENERIC_CTRL); | |
585 | } | |
586 | ||
587 | static void tegra_hdmi_setup_tmds(struct tegra_hdmi *hdmi, | |
588 | const struct tmds_config *tmds) | |
589 | { | |
590 | unsigned long value; | |
591 | ||
592 | tegra_hdmi_writel(hdmi, tmds->pll0, HDMI_NV_PDISP_SOR_PLL0); | |
593 | tegra_hdmi_writel(hdmi, tmds->pll1, HDMI_NV_PDISP_SOR_PLL1); | |
594 | tegra_hdmi_writel(hdmi, tmds->pe_current, HDMI_NV_PDISP_PE_CURRENT); | |
595 | ||
596 | value = tmds->drive_current | DRIVE_CURRENT_FUSE_OVERRIDE; | |
597 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_LANE_DRIVE_CURRENT); | |
598 | } | |
599 | ||
600 | static int tegra_output_hdmi_enable(struct tegra_output *output) | |
601 | { | |
602 | unsigned int h_sync_width, h_front_porch, h_back_porch, i, rekey; | |
603 | struct tegra_dc *dc = to_tegra_dc(output->encoder.crtc); | |
604 | struct drm_display_mode *mode = &dc->base.mode; | |
605 | struct tegra_hdmi *hdmi = to_hdmi(output); | |
606 | struct device_node *node = hdmi->dev->of_node; | |
607 | unsigned int pulse_start, div82, pclk; | |
608 | const struct tmds_config *tmds; | |
609 | unsigned int num_tmds; | |
610 | unsigned long value; | |
611 | int retries = 1000; | |
612 | int err; | |
613 | ||
614 | pclk = mode->clock * 1000; | |
615 | h_sync_width = mode->hsync_end - mode->hsync_start; | |
40495089 LS |
616 | h_back_porch = mode->htotal - mode->hsync_end; |
617 | h_front_porch = mode->hsync_start - mode->hdisplay; | |
edec4af4 TR |
618 | |
619 | err = regulator_enable(hdmi->vdd); | |
620 | if (err < 0) { | |
621 | dev_err(hdmi->dev, "failed to enable VDD regulator: %d\n", err); | |
622 | return err; | |
623 | } | |
624 | ||
625 | err = regulator_enable(hdmi->pll); | |
626 | if (err < 0) { | |
627 | dev_err(hdmi->dev, "failed to enable PLL regulator: %d\n", err); | |
628 | return err; | |
629 | } | |
630 | ||
631 | /* | |
632 | * This assumes that the display controller will divide its parent | |
633 | * clock by 2 to generate the pixel clock. | |
634 | */ | |
635 | err = tegra_output_setup_clock(output, hdmi->clk, pclk * 2); | |
636 | if (err < 0) { | |
637 | dev_err(hdmi->dev, "failed to setup clock: %d\n", err); | |
638 | return err; | |
639 | } | |
640 | ||
641 | err = clk_set_rate(hdmi->clk, pclk); | |
642 | if (err < 0) | |
643 | return err; | |
644 | ||
645 | err = clk_enable(hdmi->clk); | |
646 | if (err < 0) { | |
647 | dev_err(hdmi->dev, "failed to enable clock: %d\n", err); | |
648 | return err; | |
649 | } | |
650 | ||
651 | tegra_periph_reset_assert(hdmi->clk); | |
652 | usleep_range(1000, 2000); | |
653 | tegra_periph_reset_deassert(hdmi->clk); | |
654 | ||
655 | tegra_dc_writel(dc, VSYNC_H_POSITION(1), | |
656 | DC_DISP_DISP_TIMING_OPTIONS); | |
657 | tegra_dc_writel(dc, DITHER_CONTROL_DISABLE | BASE_COLOR_SIZE888, | |
658 | DC_DISP_DISP_COLOR_CONTROL); | |
659 | ||
660 | /* video_preamble uses h_pulse2 */ | |
661 | pulse_start = 1 + h_sync_width + h_back_porch - 10; | |
662 | ||
663 | tegra_dc_writel(dc, H_PULSE_2_ENABLE, DC_DISP_DISP_SIGNAL_OPTIONS0); | |
664 | ||
665 | value = PULSE_MODE_NORMAL | PULSE_POLARITY_HIGH | PULSE_QUAL_VACTIVE | | |
666 | PULSE_LAST_END_A; | |
667 | tegra_dc_writel(dc, value, DC_DISP_H_PULSE2_CONTROL); | |
668 | ||
669 | value = PULSE_START(pulse_start) | PULSE_END(pulse_start + 8); | |
670 | tegra_dc_writel(dc, value, DC_DISP_H_PULSE2_POSITION_A); | |
671 | ||
672 | value = VSYNC_WINDOW_END(0x210) | VSYNC_WINDOW_START(0x200) | | |
673 | VSYNC_WINDOW_ENABLE; | |
674 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_VSYNC_WINDOW); | |
675 | ||
676 | if (dc->pipe) | |
677 | value = HDMI_SRC_DISPLAYB; | |
678 | else | |
679 | value = HDMI_SRC_DISPLAYA; | |
680 | ||
681 | if ((mode->hdisplay == 720) && ((mode->vdisplay == 480) || | |
682 | (mode->vdisplay == 576))) | |
683 | tegra_hdmi_writel(hdmi, | |
684 | value | ARM_VIDEO_RANGE_FULL, | |
685 | HDMI_NV_PDISP_INPUT_CONTROL); | |
686 | else | |
687 | tegra_hdmi_writel(hdmi, | |
688 | value | ARM_VIDEO_RANGE_LIMITED, | |
689 | HDMI_NV_PDISP_INPUT_CONTROL); | |
690 | ||
691 | div82 = clk_get_rate(hdmi->clk) / 1000000 * 4; | |
692 | value = SOR_REFCLK_DIV_INT(div82 >> 2) | SOR_REFCLK_DIV_FRAC(div82); | |
693 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_REFCLK); | |
694 | ||
695 | if (!hdmi->dvi) { | |
696 | err = tegra_hdmi_setup_audio(hdmi, pclk); | |
697 | if (err < 0) | |
698 | hdmi->dvi = true; | |
699 | } | |
700 | ||
701 | if (of_device_is_compatible(node, "nvidia,tegra20-hdmi")) { | |
702 | /* | |
703 | * TODO: add ELD support | |
704 | */ | |
705 | } | |
706 | ||
707 | rekey = HDMI_REKEY_DEFAULT; | |
708 | value = HDMI_CTRL_REKEY(rekey); | |
709 | value |= HDMI_CTRL_MAX_AC_PACKET((h_sync_width + h_back_porch + | |
710 | h_front_porch - rekey - 18) / 32); | |
711 | ||
712 | if (!hdmi->dvi) | |
713 | value |= HDMI_CTRL_ENABLE; | |
714 | ||
715 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_CTRL); | |
716 | ||
717 | if (hdmi->dvi) | |
718 | tegra_hdmi_writel(hdmi, 0x0, | |
719 | HDMI_NV_PDISP_HDMI_GENERIC_CTRL); | |
720 | else | |
721 | tegra_hdmi_writel(hdmi, GENERIC_CTRL_AUDIO, | |
722 | HDMI_NV_PDISP_HDMI_GENERIC_CTRL); | |
723 | ||
724 | tegra_hdmi_setup_avi_infoframe(hdmi, mode); | |
725 | tegra_hdmi_setup_audio_infoframe(hdmi); | |
726 | tegra_hdmi_setup_stereo_infoframe(hdmi); | |
727 | ||
728 | /* TMDS CONFIG */ | |
729 | if (of_device_is_compatible(node, "nvidia,tegra30-hdmi")) { | |
730 | num_tmds = ARRAY_SIZE(tegra3_tmds_config); | |
731 | tmds = tegra3_tmds_config; | |
732 | } else { | |
733 | num_tmds = ARRAY_SIZE(tegra2_tmds_config); | |
734 | tmds = tegra2_tmds_config; | |
735 | } | |
736 | ||
737 | for (i = 0; i < num_tmds; i++) { | |
738 | if (pclk <= tmds[i].pclk) { | |
739 | tegra_hdmi_setup_tmds(hdmi, &tmds[i]); | |
740 | break; | |
741 | } | |
742 | } | |
743 | ||
744 | tegra_hdmi_writel(hdmi, | |
745 | SOR_SEQ_CTL_PU_PC(0) | | |
746 | SOR_SEQ_PU_PC_ALT(0) | | |
747 | SOR_SEQ_PD_PC(8) | | |
748 | SOR_SEQ_PD_PC_ALT(8), | |
749 | HDMI_NV_PDISP_SOR_SEQ_CTL); | |
750 | ||
751 | value = SOR_SEQ_INST_WAIT_TIME(1) | | |
752 | SOR_SEQ_INST_WAIT_UNITS_VSYNC | | |
753 | SOR_SEQ_INST_HALT | | |
754 | SOR_SEQ_INST_PIN_A_LOW | | |
755 | SOR_SEQ_INST_PIN_B_LOW | | |
756 | SOR_SEQ_INST_DRIVE_PWM_OUT_LO; | |
757 | ||
758 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_SEQ_INST(0)); | |
759 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_SEQ_INST(8)); | |
760 | ||
761 | value = 0x1c800; | |
762 | value &= ~SOR_CSTM_ROTCLK(~0); | |
763 | value |= SOR_CSTM_ROTCLK(2); | |
764 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_CSTM); | |
765 | ||
766 | tegra_dc_writel(dc, DISP_CTRL_MODE_STOP, DC_CMD_DISPLAY_COMMAND); | |
767 | tegra_dc_writel(dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL); | |
768 | tegra_dc_writel(dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL); | |
769 | ||
770 | /* start SOR */ | |
771 | tegra_hdmi_writel(hdmi, | |
772 | SOR_PWR_NORMAL_STATE_PU | | |
773 | SOR_PWR_NORMAL_START_NORMAL | | |
774 | SOR_PWR_SAFE_STATE_PD | | |
775 | SOR_PWR_SETTING_NEW_TRIGGER, | |
776 | HDMI_NV_PDISP_SOR_PWR); | |
777 | tegra_hdmi_writel(hdmi, | |
778 | SOR_PWR_NORMAL_STATE_PU | | |
779 | SOR_PWR_NORMAL_START_NORMAL | | |
780 | SOR_PWR_SAFE_STATE_PD | | |
781 | SOR_PWR_SETTING_NEW_DONE, | |
782 | HDMI_NV_PDISP_SOR_PWR); | |
783 | ||
784 | do { | |
785 | BUG_ON(--retries < 0); | |
786 | value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_PWR); | |
787 | } while (value & SOR_PWR_SETTING_NEW_PENDING); | |
788 | ||
789 | value = SOR_STATE_ASY_CRCMODE_COMPLETE | | |
790 | SOR_STATE_ASY_OWNER_HEAD0 | | |
791 | SOR_STATE_ASY_SUBOWNER_BOTH | | |
792 | SOR_STATE_ASY_PROTOCOL_SINGLE_TMDS_A | | |
793 | SOR_STATE_ASY_DEPOL_POS; | |
794 | ||
795 | /* setup sync polarities */ | |
796 | if (mode->flags & DRM_MODE_FLAG_PHSYNC) | |
797 | value |= SOR_STATE_ASY_HSYNCPOL_POS; | |
798 | ||
799 | if (mode->flags & DRM_MODE_FLAG_NHSYNC) | |
800 | value |= SOR_STATE_ASY_HSYNCPOL_NEG; | |
801 | ||
802 | if (mode->flags & DRM_MODE_FLAG_PVSYNC) | |
803 | value |= SOR_STATE_ASY_VSYNCPOL_POS; | |
804 | ||
805 | if (mode->flags & DRM_MODE_FLAG_NVSYNC) | |
806 | value |= SOR_STATE_ASY_VSYNCPOL_NEG; | |
807 | ||
808 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_STATE2); | |
809 | ||
810 | value = SOR_STATE_ASY_HEAD_OPMODE_AWAKE | SOR_STATE_ASY_ORMODE_NORMAL; | |
811 | tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_STATE1); | |
812 | ||
813 | tegra_hdmi_writel(hdmi, 0, HDMI_NV_PDISP_SOR_STATE0); | |
814 | tegra_hdmi_writel(hdmi, SOR_STATE_UPDATE, HDMI_NV_PDISP_SOR_STATE0); | |
815 | tegra_hdmi_writel(hdmi, value | SOR_STATE_ATTACHED, | |
816 | HDMI_NV_PDISP_SOR_STATE1); | |
817 | tegra_hdmi_writel(hdmi, 0, HDMI_NV_PDISP_SOR_STATE0); | |
818 | ||
819 | tegra_dc_writel(dc, HDMI_ENABLE, DC_DISP_DISP_WIN_OPTIONS); | |
820 | ||
821 | value = PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE | | |
822 | PW4_ENABLE | PM0_ENABLE | PM1_ENABLE; | |
823 | tegra_dc_writel(dc, value, DC_CMD_DISPLAY_POWER_CONTROL); | |
824 | ||
825 | value = DISP_CTRL_MODE_C_DISPLAY; | |
826 | tegra_dc_writel(dc, value, DC_CMD_DISPLAY_COMMAND); | |
827 | ||
828 | tegra_dc_writel(dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL); | |
829 | tegra_dc_writel(dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL); | |
830 | ||
831 | /* TODO: add HDCP support */ | |
832 | ||
833 | return 0; | |
834 | } | |
835 | ||
836 | static int tegra_output_hdmi_disable(struct tegra_output *output) | |
837 | { | |
838 | struct tegra_hdmi *hdmi = to_hdmi(output); | |
839 | ||
840 | tegra_periph_reset_assert(hdmi->clk); | |
841 | clk_disable(hdmi->clk); | |
842 | regulator_disable(hdmi->pll); | |
843 | regulator_disable(hdmi->vdd); | |
844 | ||
845 | return 0; | |
846 | } | |
847 | ||
848 | static int tegra_output_hdmi_setup_clock(struct tegra_output *output, | |
849 | struct clk *clk, unsigned long pclk) | |
850 | { | |
851 | struct tegra_hdmi *hdmi = to_hdmi(output); | |
852 | struct clk *base; | |
853 | int err; | |
854 | ||
855 | err = clk_set_parent(clk, hdmi->clk_parent); | |
856 | if (err < 0) { | |
857 | dev_err(output->dev, "failed to set parent: %d\n", err); | |
858 | return err; | |
859 | } | |
860 | ||
861 | base = clk_get_parent(hdmi->clk_parent); | |
862 | ||
863 | /* | |
864 | * This assumes that the parent clock is pll_d_out0 or pll_d2_out | |
865 | * respectively, each of which divides the base pll_d by 2. | |
866 | */ | |
867 | err = clk_set_rate(base, pclk * 2); | |
868 | if (err < 0) | |
869 | dev_err(output->dev, | |
870 | "failed to set base clock rate to %lu Hz\n", | |
871 | pclk * 2); | |
872 | ||
873 | return 0; | |
874 | } | |
875 | ||
876 | static int tegra_output_hdmi_check_mode(struct tegra_output *output, | |
877 | struct drm_display_mode *mode, | |
878 | enum drm_mode_status *status) | |
879 | { | |
880 | struct tegra_hdmi *hdmi = to_hdmi(output); | |
881 | unsigned long pclk = mode->clock * 1000; | |
882 | struct clk *parent; | |
883 | long err; | |
884 | ||
885 | parent = clk_get_parent(hdmi->clk_parent); | |
886 | ||
887 | err = clk_round_rate(parent, pclk * 4); | |
888 | if (err < 0) | |
889 | *status = MODE_NOCLOCK; | |
890 | else | |
891 | *status = MODE_OK; | |
892 | ||
893 | return 0; | |
894 | } | |
895 | ||
896 | static const struct tegra_output_ops hdmi_ops = { | |
897 | .enable = tegra_output_hdmi_enable, | |
898 | .disable = tegra_output_hdmi_disable, | |
899 | .setup_clock = tegra_output_hdmi_setup_clock, | |
900 | .check_mode = tegra_output_hdmi_check_mode, | |
901 | }; | |
902 | ||
903 | static int tegra_hdmi_show_regs(struct seq_file *s, void *data) | |
904 | { | |
905 | struct drm_info_node *node = s->private; | |
906 | struct tegra_hdmi *hdmi = node->info_ent->data; | |
907 | ||
908 | #define DUMP_REG(name) \ | |
909 | seq_printf(s, "%-56s %#05x %08lx\n", #name, name, \ | |
910 | tegra_hdmi_readl(hdmi, name)) | |
911 | ||
912 | DUMP_REG(HDMI_CTXSW); | |
913 | DUMP_REG(HDMI_NV_PDISP_SOR_STATE0); | |
914 | DUMP_REG(HDMI_NV_PDISP_SOR_STATE1); | |
915 | DUMP_REG(HDMI_NV_PDISP_SOR_STATE2); | |
916 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_AN_MSB); | |
917 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_AN_LSB); | |
918 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CN_MSB); | |
919 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CN_LSB); | |
920 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_AKSV_MSB); | |
921 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_AKSV_LSB); | |
922 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_BKSV_MSB); | |
923 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_BKSV_LSB); | |
924 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CKSV_MSB); | |
925 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CKSV_LSB); | |
926 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_DKSV_MSB); | |
927 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_DKSV_LSB); | |
928 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CTRL); | |
929 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CMODE); | |
930 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_MPRIME_MSB); | |
931 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_MPRIME_LSB); | |
932 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_SPRIME_MSB); | |
933 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_SPRIME_LSB2); | |
934 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_SPRIME_LSB1); | |
935 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_RI); | |
936 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CS_MSB); | |
937 | DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CS_LSB); | |
938 | DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_EMU0); | |
939 | DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_EMU_RDATA0); | |
940 | DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_EMU1); | |
941 | DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_EMU2); | |
942 | DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_CTRL); | |
943 | DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_STATUS); | |
944 | DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_HEADER); | |
945 | DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_SUBPACK0_LOW); | |
946 | DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_SUBPACK0_HIGH); | |
947 | DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_CTRL); | |
948 | DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_STATUS); | |
949 | DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_HEADER); | |
950 | DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK0_LOW); | |
951 | DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK0_HIGH); | |
952 | DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK1_LOW); | |
953 | DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK1_HIGH); | |
954 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_CTRL); | |
955 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_STATUS); | |
956 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_HEADER); | |
957 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK0_LOW); | |
958 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK0_HIGH); | |
959 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK1_LOW); | |
960 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK1_HIGH); | |
961 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK2_LOW); | |
962 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK2_HIGH); | |
963 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK3_LOW); | |
964 | DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK3_HIGH); | |
965 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_CTRL); | |
966 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0320_SUBPACK_LOW); | |
967 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0320_SUBPACK_HIGH); | |
968 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_LOW); | |
969 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_HIGH); | |
970 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0882_SUBPACK_LOW); | |
971 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0882_SUBPACK_HIGH); | |
972 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_1764_SUBPACK_LOW); | |
973 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_1764_SUBPACK_HIGH); | |
974 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0480_SUBPACK_LOW); | |
975 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0480_SUBPACK_HIGH); | |
976 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0960_SUBPACK_LOW); | |
977 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0960_SUBPACK_HIGH); | |
978 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_1920_SUBPACK_LOW); | |
979 | DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_1920_SUBPACK_HIGH); | |
980 | DUMP_REG(HDMI_NV_PDISP_HDMI_CTRL); | |
981 | DUMP_REG(HDMI_NV_PDISP_HDMI_VSYNC_KEEPOUT); | |
982 | DUMP_REG(HDMI_NV_PDISP_HDMI_VSYNC_WINDOW); | |
983 | DUMP_REG(HDMI_NV_PDISP_HDMI_GCP_CTRL); | |
984 | DUMP_REG(HDMI_NV_PDISP_HDMI_GCP_STATUS); | |
985 | DUMP_REG(HDMI_NV_PDISP_HDMI_GCP_SUBPACK); | |
986 | DUMP_REG(HDMI_NV_PDISP_HDMI_CHANNEL_STATUS1); | |
987 | DUMP_REG(HDMI_NV_PDISP_HDMI_CHANNEL_STATUS2); | |
988 | DUMP_REG(HDMI_NV_PDISP_HDMI_EMU0); | |
989 | DUMP_REG(HDMI_NV_PDISP_HDMI_EMU1); | |
990 | DUMP_REG(HDMI_NV_PDISP_HDMI_EMU1_RDATA); | |
991 | DUMP_REG(HDMI_NV_PDISP_HDMI_SPARE); | |
992 | DUMP_REG(HDMI_NV_PDISP_HDMI_SPDIF_CHN_STATUS1); | |
993 | DUMP_REG(HDMI_NV_PDISP_HDMI_SPDIF_CHN_STATUS2); | |
994 | DUMP_REG(HDMI_NV_PDISP_HDMI_HDCPRIF_ROM_CTRL); | |
995 | DUMP_REG(HDMI_NV_PDISP_SOR_CAP); | |
996 | DUMP_REG(HDMI_NV_PDISP_SOR_PWR); | |
997 | DUMP_REG(HDMI_NV_PDISP_SOR_TEST); | |
998 | DUMP_REG(HDMI_NV_PDISP_SOR_PLL0); | |
999 | DUMP_REG(HDMI_NV_PDISP_SOR_PLL1); | |
1000 | DUMP_REG(HDMI_NV_PDISP_SOR_PLL2); | |
1001 | DUMP_REG(HDMI_NV_PDISP_SOR_CSTM); | |
1002 | DUMP_REG(HDMI_NV_PDISP_SOR_LVDS); | |
1003 | DUMP_REG(HDMI_NV_PDISP_SOR_CRCA); | |
1004 | DUMP_REG(HDMI_NV_PDISP_SOR_CRCB); | |
1005 | DUMP_REG(HDMI_NV_PDISP_SOR_BLANK); | |
1006 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_CTL); | |
1007 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(0)); | |
1008 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(1)); | |
1009 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(2)); | |
1010 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(3)); | |
1011 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(4)); | |
1012 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(5)); | |
1013 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(6)); | |
1014 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(7)); | |
1015 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(8)); | |
1016 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(9)); | |
1017 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(10)); | |
1018 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(11)); | |
1019 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(12)); | |
1020 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(13)); | |
1021 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(14)); | |
1022 | DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(15)); | |
1023 | DUMP_REG(HDMI_NV_PDISP_SOR_VCRCA0); | |
1024 | DUMP_REG(HDMI_NV_PDISP_SOR_VCRCA1); | |
1025 | DUMP_REG(HDMI_NV_PDISP_SOR_CCRCA0); | |
1026 | DUMP_REG(HDMI_NV_PDISP_SOR_CCRCA1); | |
1027 | DUMP_REG(HDMI_NV_PDISP_SOR_EDATAA0); | |
1028 | DUMP_REG(HDMI_NV_PDISP_SOR_EDATAA1); | |
1029 | DUMP_REG(HDMI_NV_PDISP_SOR_COUNTA0); | |
1030 | DUMP_REG(HDMI_NV_PDISP_SOR_COUNTA1); | |
1031 | DUMP_REG(HDMI_NV_PDISP_SOR_DEBUGA0); | |
1032 | DUMP_REG(HDMI_NV_PDISP_SOR_DEBUGA1); | |
1033 | DUMP_REG(HDMI_NV_PDISP_SOR_TRIG); | |
1034 | DUMP_REG(HDMI_NV_PDISP_SOR_MSCHECK); | |
1035 | DUMP_REG(HDMI_NV_PDISP_SOR_LANE_DRIVE_CURRENT); | |
1036 | DUMP_REG(HDMI_NV_PDISP_AUDIO_DEBUG0); | |
1037 | DUMP_REG(HDMI_NV_PDISP_AUDIO_DEBUG1); | |
1038 | DUMP_REG(HDMI_NV_PDISP_AUDIO_DEBUG2); | |
1039 | DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(0)); | |
1040 | DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(1)); | |
1041 | DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(2)); | |
1042 | DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(3)); | |
1043 | DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(4)); | |
1044 | DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(5)); | |
1045 | DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(6)); | |
1046 | DUMP_REG(HDMI_NV_PDISP_AUDIO_PULSE_WIDTH); | |
1047 | DUMP_REG(HDMI_NV_PDISP_AUDIO_THRESHOLD); | |
1048 | DUMP_REG(HDMI_NV_PDISP_AUDIO_CNTRL0); | |
1049 | DUMP_REG(HDMI_NV_PDISP_AUDIO_N); | |
1050 | DUMP_REG(HDMI_NV_PDISP_HDCPRIF_ROM_TIMING); | |
1051 | DUMP_REG(HDMI_NV_PDISP_SOR_REFCLK); | |
1052 | DUMP_REG(HDMI_NV_PDISP_CRC_CONTROL); | |
1053 | DUMP_REG(HDMI_NV_PDISP_INPUT_CONTROL); | |
1054 | DUMP_REG(HDMI_NV_PDISP_SCRATCH); | |
1055 | DUMP_REG(HDMI_NV_PDISP_PE_CURRENT); | |
1056 | DUMP_REG(HDMI_NV_PDISP_KEY_CTRL); | |
1057 | DUMP_REG(HDMI_NV_PDISP_KEY_DEBUG0); | |
1058 | DUMP_REG(HDMI_NV_PDISP_KEY_DEBUG1); | |
1059 | DUMP_REG(HDMI_NV_PDISP_KEY_DEBUG2); | |
1060 | DUMP_REG(HDMI_NV_PDISP_KEY_HDCP_KEY_0); | |
1061 | DUMP_REG(HDMI_NV_PDISP_KEY_HDCP_KEY_1); | |
1062 | DUMP_REG(HDMI_NV_PDISP_KEY_HDCP_KEY_2); | |
1063 | DUMP_REG(HDMI_NV_PDISP_KEY_HDCP_KEY_3); | |
1064 | DUMP_REG(HDMI_NV_PDISP_KEY_HDCP_KEY_TRIG); | |
1065 | DUMP_REG(HDMI_NV_PDISP_KEY_SKEY_INDEX); | |
1066 | DUMP_REG(HDMI_NV_PDISP_SOR_AUDIO_CNTRL0); | |
1067 | DUMP_REG(HDMI_NV_PDISP_SOR_AUDIO_HDA_ELD_BUFWR); | |
1068 | DUMP_REG(HDMI_NV_PDISP_SOR_AUDIO_HDA_PRESENSE); | |
1069 | ||
1070 | #undef DUMP_REG | |
1071 | ||
1072 | return 0; | |
1073 | } | |
1074 | ||
1075 | static struct drm_info_list debugfs_files[] = { | |
1076 | { "regs", tegra_hdmi_show_regs, 0, NULL }, | |
1077 | }; | |
1078 | ||
1079 | static int tegra_hdmi_debugfs_init(struct tegra_hdmi *hdmi, | |
1080 | struct drm_minor *minor) | |
1081 | { | |
1082 | unsigned int i; | |
1083 | int err; | |
1084 | ||
1085 | hdmi->debugfs = debugfs_create_dir("hdmi", minor->debugfs_root); | |
1086 | if (!hdmi->debugfs) | |
1087 | return -ENOMEM; | |
1088 | ||
1089 | hdmi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files), | |
1090 | GFP_KERNEL); | |
1091 | if (!hdmi->debugfs_files) { | |
1092 | err = -ENOMEM; | |
1093 | goto remove; | |
1094 | } | |
1095 | ||
1096 | for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) | |
1097 | hdmi->debugfs_files[i].data = hdmi; | |
1098 | ||
1099 | err = drm_debugfs_create_files(hdmi->debugfs_files, | |
1100 | ARRAY_SIZE(debugfs_files), | |
1101 | hdmi->debugfs, minor); | |
1102 | if (err < 0) | |
1103 | goto free; | |
1104 | ||
1105 | hdmi->minor = minor; | |
1106 | ||
1107 | return 0; | |
1108 | ||
1109 | free: | |
1110 | kfree(hdmi->debugfs_files); | |
1111 | hdmi->debugfs_files = NULL; | |
1112 | remove: | |
1113 | debugfs_remove(hdmi->debugfs); | |
1114 | hdmi->debugfs = NULL; | |
1115 | ||
1116 | return err; | |
1117 | } | |
1118 | ||
1119 | static int tegra_hdmi_debugfs_exit(struct tegra_hdmi *hdmi) | |
1120 | { | |
1121 | drm_debugfs_remove_files(hdmi->debugfs_files, ARRAY_SIZE(debugfs_files), | |
1122 | hdmi->minor); | |
1123 | hdmi->minor = NULL; | |
1124 | ||
1125 | kfree(hdmi->debugfs_files); | |
1126 | hdmi->debugfs_files = NULL; | |
1127 | ||
1128 | debugfs_remove(hdmi->debugfs); | |
1129 | hdmi->debugfs = NULL; | |
1130 | ||
1131 | return 0; | |
1132 | } | |
1133 | ||
1134 | static int tegra_hdmi_drm_init(struct host1x_client *client, | |
1135 | struct drm_device *drm) | |
1136 | { | |
1137 | struct tegra_hdmi *hdmi = host1x_client_to_hdmi(client); | |
1138 | int err; | |
1139 | ||
1140 | hdmi->output.type = TEGRA_OUTPUT_HDMI; | |
1141 | hdmi->output.dev = client->dev; | |
1142 | hdmi->output.ops = &hdmi_ops; | |
1143 | ||
1144 | err = tegra_output_init(drm, &hdmi->output); | |
1145 | if (err < 0) { | |
1146 | dev_err(client->dev, "output setup failed: %d\n", err); | |
1147 | return err; | |
1148 | } | |
1149 | ||
1150 | if (IS_ENABLED(CONFIG_DEBUG_FS)) { | |
1151 | err = tegra_hdmi_debugfs_init(hdmi, drm->primary); | |
1152 | if (err < 0) | |
1153 | dev_err(client->dev, "debugfs setup failed: %d\n", err); | |
1154 | } | |
1155 | ||
1156 | return 0; | |
1157 | } | |
1158 | ||
1159 | static int tegra_hdmi_drm_exit(struct host1x_client *client) | |
1160 | { | |
1161 | struct tegra_hdmi *hdmi = host1x_client_to_hdmi(client); | |
1162 | int err; | |
1163 | ||
1164 | if (IS_ENABLED(CONFIG_DEBUG_FS)) { | |
1165 | err = tegra_hdmi_debugfs_exit(hdmi); | |
1166 | if (err < 0) | |
1167 | dev_err(client->dev, "debugfs cleanup failed: %d\n", | |
1168 | err); | |
1169 | } | |
1170 | ||
1171 | err = tegra_output_disable(&hdmi->output); | |
1172 | if (err < 0) { | |
1173 | dev_err(client->dev, "output failed to disable: %d\n", err); | |
1174 | return err; | |
1175 | } | |
1176 | ||
1177 | err = tegra_output_exit(&hdmi->output); | |
1178 | if (err < 0) { | |
1179 | dev_err(client->dev, "output cleanup failed: %d\n", err); | |
1180 | return err; | |
1181 | } | |
1182 | ||
1183 | return 0; | |
1184 | } | |
1185 | ||
1186 | static const struct host1x_client_ops hdmi_client_ops = { | |
1187 | .drm_init = tegra_hdmi_drm_init, | |
1188 | .drm_exit = tegra_hdmi_drm_exit, | |
1189 | }; | |
1190 | ||
1191 | static int tegra_hdmi_probe(struct platform_device *pdev) | |
1192 | { | |
692e6d7b | 1193 | struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent); |
edec4af4 TR |
1194 | struct tegra_hdmi *hdmi; |
1195 | struct resource *regs; | |
1196 | int err; | |
1197 | ||
1198 | hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL); | |
1199 | if (!hdmi) | |
1200 | return -ENOMEM; | |
1201 | ||
1202 | hdmi->dev = &pdev->dev; | |
1203 | hdmi->audio_source = AUTO; | |
1204 | hdmi->audio_freq = 44100; | |
1205 | hdmi->stereo = false; | |
1206 | hdmi->dvi = false; | |
1207 | ||
1208 | hdmi->clk = devm_clk_get(&pdev->dev, NULL); | |
1209 | if (IS_ERR(hdmi->clk)) { | |
1210 | dev_err(&pdev->dev, "failed to get clock\n"); | |
1211 | return PTR_ERR(hdmi->clk); | |
1212 | } | |
1213 | ||
1214 | err = clk_prepare(hdmi->clk); | |
1215 | if (err < 0) | |
1216 | return err; | |
1217 | ||
1218 | hdmi->clk_parent = devm_clk_get(&pdev->dev, "parent"); | |
1219 | if (IS_ERR(hdmi->clk_parent)) | |
1220 | return PTR_ERR(hdmi->clk_parent); | |
1221 | ||
1222 | err = clk_prepare(hdmi->clk_parent); | |
1223 | if (err < 0) | |
1224 | return err; | |
1225 | ||
1226 | err = clk_set_parent(hdmi->clk, hdmi->clk_parent); | |
1227 | if (err < 0) { | |
1228 | dev_err(&pdev->dev, "failed to setup clocks: %d\n", err); | |
1229 | return err; | |
1230 | } | |
1231 | ||
1232 | hdmi->vdd = devm_regulator_get(&pdev->dev, "vdd"); | |
1233 | if (IS_ERR(hdmi->vdd)) { | |
1234 | dev_err(&pdev->dev, "failed to get VDD regulator\n"); | |
1235 | return PTR_ERR(hdmi->vdd); | |
1236 | } | |
1237 | ||
1238 | hdmi->pll = devm_regulator_get(&pdev->dev, "pll"); | |
1239 | if (IS_ERR(hdmi->pll)) { | |
1240 | dev_err(&pdev->dev, "failed to get PLL regulator\n"); | |
1241 | return PTR_ERR(hdmi->pll); | |
1242 | } | |
1243 | ||
1244 | hdmi->output.dev = &pdev->dev; | |
1245 | ||
1246 | err = tegra_output_parse_dt(&hdmi->output); | |
1247 | if (err < 0) | |
1248 | return err; | |
1249 | ||
1250 | regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
1251 | if (!regs) | |
1252 | return -ENXIO; | |
1253 | ||
d4ed6025 TR |
1254 | hdmi->regs = devm_ioremap_resource(&pdev->dev, regs); |
1255 | if (IS_ERR(hdmi->regs)) | |
1256 | return PTR_ERR(hdmi->regs); | |
edec4af4 TR |
1257 | |
1258 | err = platform_get_irq(pdev, 0); | |
1259 | if (err < 0) | |
1260 | return err; | |
1261 | ||
1262 | hdmi->irq = err; | |
1263 | ||
1264 | hdmi->client.ops = &hdmi_client_ops; | |
1265 | INIT_LIST_HEAD(&hdmi->client.list); | |
1266 | hdmi->client.dev = &pdev->dev; | |
1267 | ||
1268 | err = host1x_register_client(host1x, &hdmi->client); | |
1269 | if (err < 0) { | |
1270 | dev_err(&pdev->dev, "failed to register host1x client: %d\n", | |
1271 | err); | |
1272 | return err; | |
1273 | } | |
1274 | ||
1275 | platform_set_drvdata(pdev, hdmi); | |
1276 | ||
1277 | return 0; | |
1278 | } | |
1279 | ||
1280 | static int tegra_hdmi_remove(struct platform_device *pdev) | |
1281 | { | |
692e6d7b | 1282 | struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent); |
edec4af4 TR |
1283 | struct tegra_hdmi *hdmi = platform_get_drvdata(pdev); |
1284 | int err; | |
1285 | ||
1286 | err = host1x_unregister_client(host1x, &hdmi->client); | |
1287 | if (err < 0) { | |
1288 | dev_err(&pdev->dev, "failed to unregister host1x client: %d\n", | |
1289 | err); | |
1290 | return err; | |
1291 | } | |
1292 | ||
1293 | clk_unprepare(hdmi->clk_parent); | |
1294 | clk_unprepare(hdmi->clk); | |
1295 | ||
1296 | return 0; | |
1297 | } | |
1298 | ||
1299 | static struct of_device_id tegra_hdmi_of_match[] = { | |
edec4af4 | 1300 | { .compatible = "nvidia,tegra30-hdmi", }, |
219e8153 | 1301 | { .compatible = "nvidia,tegra20-hdmi", }, |
edec4af4 TR |
1302 | { }, |
1303 | }; | |
1304 | ||
1305 | struct platform_driver tegra_hdmi_driver = { | |
1306 | .driver = { | |
1307 | .name = "tegra-hdmi", | |
1308 | .owner = THIS_MODULE, | |
1309 | .of_match_table = tegra_hdmi_of_match, | |
1310 | }, | |
1311 | .probe = tegra_hdmi_probe, | |
1312 | .remove = tegra_hdmi_remove, | |
1313 | }; |