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a52074ee TS |
1 | /* |
2 | * Samsung HDMI interface driver | |
3 | * | |
4 | * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. | |
5 | * | |
6 | * Tomasz Stanislawski, <t.stanislaws@samsung.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published | |
10 | * by the Free Software Foundiation. either version 2 of the License, | |
11 | * or (at your option) any later version | |
12 | */ | |
13 | ||
f5c99037 SK |
14 | #define pr_fmt(fmt) "s5p-tv (hdmi_drv): " fmt |
15 | ||
a52074ee TS |
16 | #ifdef CONFIG_VIDEO_SAMSUNG_S5P_HDMI_DEBUG |
17 | #define DEBUG | |
18 | #endif | |
19 | ||
20 | #include <linux/kernel.h> | |
21 | #include <linux/slab.h> | |
22 | #include <linux/io.h> | |
23 | #include <linux/i2c.h> | |
24 | #include <linux/platform_device.h> | |
25 | #include <media/v4l2-subdev.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/interrupt.h> | |
28 | #include <linux/irq.h> | |
29 | #include <linux/delay.h> | |
30 | #include <linux/bug.h> | |
31 | #include <linux/pm_runtime.h> | |
32 | #include <linux/clk.h> | |
33 | #include <linux/regulator/consumer.h> | |
5efb54b2 | 34 | #include <linux/v4l2-dv-timings.h> |
a52074ee | 35 | |
350f2f4d | 36 | #include <media/s5p_hdmi.h> |
a52074ee TS |
37 | #include <media/v4l2-common.h> |
38 | #include <media/v4l2-dev.h> | |
39 | #include <media/v4l2-device.h> | |
40 | ||
41 | #include "regs-hdmi.h" | |
42 | ||
43 | MODULE_AUTHOR("Tomasz Stanislawski, <t.stanislaws@samsung.com>"); | |
44 | MODULE_DESCRIPTION("Samsung HDMI"); | |
45 | MODULE_LICENSE("GPL"); | |
46 | ||
3f468acc TS |
47 | struct hdmi_pulse { |
48 | u32 beg; | |
49 | u32 end; | |
50 | }; | |
51 | ||
52 | struct hdmi_timings { | |
53 | struct hdmi_pulse hact; | |
54 | u32 hsyn_pol; /* 0 - high, 1 - low */ | |
55 | struct hdmi_pulse hsyn; | |
56 | u32 interlaced; | |
57 | struct hdmi_pulse vact[2]; | |
58 | u32 vsyn_pol; /* 0 - high, 1 - low */ | |
59 | u32 vsyn_off; | |
60 | struct hdmi_pulse vsyn[2]; | |
61 | }; | |
a52074ee TS |
62 | |
63 | struct hdmi_resources { | |
64 | struct clk *hdmi; | |
65 | struct clk *sclk_hdmi; | |
66 | struct clk *sclk_pixel; | |
67 | struct clk *sclk_hdmiphy; | |
68 | struct clk *hdmiphy; | |
69 | struct regulator_bulk_data *regul_bulk; | |
70 | int regul_count; | |
71 | }; | |
72 | ||
73 | struct hdmi_device { | |
74 | /** base address of HDMI registers */ | |
75 | void __iomem *regs; | |
76 | /** HDMI interrupt */ | |
77 | unsigned int irq; | |
78 | /** pointer to device parent */ | |
79 | struct device *dev; | |
80 | /** subdev generated by HDMI device */ | |
81 | struct v4l2_subdev sd; | |
82 | /** V4L2 device structure */ | |
83 | struct v4l2_device v4l2_dev; | |
84 | /** subdev of HDMIPHY interface */ | |
85 | struct v4l2_subdev *phy_sd; | |
5145aa76 TS |
86 | /** subdev of MHL interface */ |
87 | struct v4l2_subdev *mhl_sd; | |
a52074ee | 88 | /** configuration of current graphic mode */ |
3f468acc | 89 | const struct hdmi_timings *cur_conf; |
2fd07a4a TS |
90 | /** flag indicating that timings are dirty */ |
91 | int cur_conf_dirty; | |
5efb54b2 HV |
92 | /** current timings */ |
93 | struct v4l2_dv_timings cur_timings; | |
a52074ee TS |
94 | /** other resources */ |
95 | struct hdmi_resources res; | |
96 | }; | |
97 | ||
a52074ee TS |
98 | static struct platform_device_id hdmi_driver_types[] = { |
99 | { | |
100 | .name = "s5pv210-hdmi", | |
a52074ee TS |
101 | }, { |
102 | .name = "exynos4-hdmi", | |
a52074ee TS |
103 | }, { |
104 | /* end node */ | |
105 | } | |
106 | }; | |
107 | ||
108 | static const struct v4l2_subdev_ops hdmi_sd_ops; | |
109 | ||
110 | static struct hdmi_device *sd_to_hdmi_dev(struct v4l2_subdev *sd) | |
111 | { | |
112 | return container_of(sd, struct hdmi_device, sd); | |
113 | } | |
114 | ||
115 | static inline | |
116 | void hdmi_write(struct hdmi_device *hdev, u32 reg_id, u32 value) | |
117 | { | |
118 | writel(value, hdev->regs + reg_id); | |
119 | } | |
120 | ||
121 | static inline | |
122 | void hdmi_write_mask(struct hdmi_device *hdev, u32 reg_id, u32 value, u32 mask) | |
123 | { | |
124 | u32 old = readl(hdev->regs + reg_id); | |
125 | value = (value & mask) | (old & ~mask); | |
126 | writel(value, hdev->regs + reg_id); | |
127 | } | |
128 | ||
129 | static inline | |
130 | void hdmi_writeb(struct hdmi_device *hdev, u32 reg_id, u8 value) | |
131 | { | |
132 | writeb(value, hdev->regs + reg_id); | |
133 | } | |
134 | ||
3f468acc TS |
135 | static inline |
136 | void hdmi_writebn(struct hdmi_device *hdev, u32 reg_id, int n, u32 value) | |
137 | { | |
138 | switch (n) { | |
139 | default: | |
140 | writeb(value >> 24, hdev->regs + reg_id + 12); | |
141 | case 3: | |
142 | writeb(value >> 16, hdev->regs + reg_id + 8); | |
143 | case 2: | |
144 | writeb(value >> 8, hdev->regs + reg_id + 4); | |
145 | case 1: | |
146 | writeb(value >> 0, hdev->regs + reg_id + 0); | |
147 | } | |
148 | } | |
149 | ||
a52074ee TS |
150 | static inline u32 hdmi_read(struct hdmi_device *hdev, u32 reg_id) |
151 | { | |
152 | return readl(hdev->regs + reg_id); | |
153 | } | |
154 | ||
155 | static irqreturn_t hdmi_irq_handler(int irq, void *dev_data) | |
156 | { | |
157 | struct hdmi_device *hdev = dev_data; | |
158 | u32 intc_flag; | |
159 | ||
160 | (void)irq; | |
161 | intc_flag = hdmi_read(hdev, HDMI_INTC_FLAG); | |
162 | /* clearing flags for HPD plug/unplug */ | |
163 | if (intc_flag & HDMI_INTC_FLAG_HPD_UNPLUG) { | |
f5c99037 | 164 | pr_info("unplugged\n"); |
a52074ee TS |
165 | hdmi_write_mask(hdev, HDMI_INTC_FLAG, ~0, |
166 | HDMI_INTC_FLAG_HPD_UNPLUG); | |
167 | } | |
168 | if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) { | |
f5c99037 | 169 | pr_info("plugged\n"); |
a52074ee TS |
170 | hdmi_write_mask(hdev, HDMI_INTC_FLAG, ~0, |
171 | HDMI_INTC_FLAG_HPD_PLUG); | |
172 | } | |
173 | ||
174 | return IRQ_HANDLED; | |
175 | } | |
176 | ||
177 | static void hdmi_reg_init(struct hdmi_device *hdev) | |
178 | { | |
179 | /* enable HPD interrupts */ | |
180 | hdmi_write_mask(hdev, HDMI_INTC_CON, ~0, HDMI_INTC_EN_GLOBAL | | |
181 | HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG); | |
17b27478 | 182 | /* choose DVI mode */ |
a52074ee | 183 | hdmi_write_mask(hdev, HDMI_MODE_SEL, |
17b27478 TS |
184 | HDMI_MODE_DVI_EN, HDMI_MODE_MASK); |
185 | hdmi_write_mask(hdev, HDMI_CON_2, ~0, | |
186 | HDMI_DVI_PERAMBLE_EN | HDMI_DVI_BAND_EN); | |
a52074ee TS |
187 | /* disable bluescreen */ |
188 | hdmi_write_mask(hdev, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN); | |
189 | /* choose bluescreen (fecal) color */ | |
190 | hdmi_writeb(hdev, HDMI_BLUE_SCREEN_0, 0x12); | |
191 | hdmi_writeb(hdev, HDMI_BLUE_SCREEN_1, 0x34); | |
192 | hdmi_writeb(hdev, HDMI_BLUE_SCREEN_2, 0x56); | |
a52074ee TS |
193 | } |
194 | ||
195 | static void hdmi_timing_apply(struct hdmi_device *hdev, | |
3f468acc | 196 | const struct hdmi_timings *t) |
a52074ee | 197 | { |
a52074ee | 198 | /* setting core registers */ |
3f468acc TS |
199 | hdmi_writebn(hdev, HDMI_H_BLANK_0, 2, t->hact.beg); |
200 | hdmi_writebn(hdev, HDMI_H_SYNC_GEN_0, 3, | |
201 | (t->hsyn_pol << 20) | (t->hsyn.end << 10) | t->hsyn.beg); | |
202 | hdmi_writeb(hdev, HDMI_VSYNC_POL, t->vsyn_pol); | |
203 | hdmi_writebn(hdev, HDMI_V_BLANK_0, 3, | |
204 | (t->vact[0].beg << 11) | t->vact[0].end); | |
205 | hdmi_writebn(hdev, HDMI_V_SYNC_GEN_1_0, 3, | |
206 | (t->vsyn[0].beg << 12) | t->vsyn[0].end); | |
207 | if (t->interlaced) { | |
208 | u32 vsyn_trans = t->hsyn.beg + t->vsyn_off; | |
209 | ||
210 | hdmi_writeb(hdev, HDMI_INT_PRO_MODE, 1); | |
211 | hdmi_writebn(hdev, HDMI_H_V_LINE_0, 3, | |
212 | (t->hact.end << 12) | t->vact[1].end); | |
213 | hdmi_writebn(hdev, HDMI_V_BLANK_F_0, 3, | |
214 | (t->vact[1].end << 11) | t->vact[1].beg); | |
215 | hdmi_writebn(hdev, HDMI_V_SYNC_GEN_2_0, 3, | |
216 | (t->vsyn[1].beg << 12) | t->vsyn[1].end); | |
217 | hdmi_writebn(hdev, HDMI_V_SYNC_GEN_3_0, 3, | |
218 | (vsyn_trans << 12) | vsyn_trans); | |
219 | } else { | |
220 | hdmi_writeb(hdev, HDMI_INT_PRO_MODE, 0); | |
221 | hdmi_writebn(hdev, HDMI_H_V_LINE_0, 3, | |
222 | (t->hact.end << 12) | t->vact[0].end); | |
223 | } | |
224 | ||
a52074ee | 225 | /* Timing generator registers */ |
3f468acc TS |
226 | hdmi_writebn(hdev, HDMI_TG_H_FSZ_L, 2, t->hact.end); |
227 | hdmi_writebn(hdev, HDMI_TG_HACT_ST_L, 2, t->hact.beg); | |
228 | hdmi_writebn(hdev, HDMI_TG_HACT_SZ_L, 2, t->hact.end - t->hact.beg); | |
229 | hdmi_writebn(hdev, HDMI_TG_VSYNC_L, 2, t->vsyn[0].beg); | |
230 | hdmi_writebn(hdev, HDMI_TG_VACT_ST_L, 2, t->vact[0].beg); | |
231 | hdmi_writebn(hdev, HDMI_TG_VACT_SZ_L, 2, | |
232 | t->vact[0].end - t->vact[0].beg); | |
233 | hdmi_writebn(hdev, HDMI_TG_VSYNC_TOP_HDMI_L, 2, t->vsyn[0].beg); | |
234 | hdmi_writebn(hdev, HDMI_TG_FIELD_TOP_HDMI_L, 2, t->vsyn[0].beg); | |
235 | if (t->interlaced) { | |
236 | hdmi_write_mask(hdev, HDMI_TG_CMD, ~0, HDMI_TG_FIELD_EN); | |
237 | hdmi_writebn(hdev, HDMI_TG_V_FSZ_L, 2, t->vact[1].end); | |
238 | hdmi_writebn(hdev, HDMI_TG_VSYNC2_L, 2, t->vsyn[1].beg); | |
239 | hdmi_writebn(hdev, HDMI_TG_FIELD_CHG_L, 2, t->vact[0].end); | |
240 | hdmi_writebn(hdev, HDMI_TG_VACT_ST2_L, 2, t->vact[1].beg); | |
241 | hdmi_writebn(hdev, HDMI_TG_VSYNC_BOT_HDMI_L, 2, t->vsyn[1].beg); | |
242 | hdmi_writebn(hdev, HDMI_TG_FIELD_BOT_HDMI_L, 2, t->vsyn[1].beg); | |
243 | } else { | |
244 | hdmi_write_mask(hdev, HDMI_TG_CMD, 0, HDMI_TG_FIELD_EN); | |
245 | hdmi_writebn(hdev, HDMI_TG_V_FSZ_L, 2, t->vact[0].end); | |
246 | } | |
a52074ee TS |
247 | } |
248 | ||
249 | static int hdmi_conf_apply(struct hdmi_device *hdmi_dev) | |
250 | { | |
251 | struct device *dev = hdmi_dev->dev; | |
3f468acc | 252 | const struct hdmi_timings *conf = hdmi_dev->cur_conf; |
a52074ee TS |
253 | int ret; |
254 | ||
255 | dev_dbg(dev, "%s\n", __func__); | |
256 | ||
2fd07a4a TS |
257 | /* skip if conf is already synchronized with HW */ |
258 | if (!hdmi_dev->cur_conf_dirty) | |
259 | return 0; | |
260 | ||
a52074ee TS |
261 | /* reset hdmiphy */ |
262 | hdmi_write_mask(hdmi_dev, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT); | |
263 | mdelay(10); | |
264 | hdmi_write_mask(hdmi_dev, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT); | |
265 | mdelay(10); | |
266 | ||
9b30af98 HV |
267 | /* configure timings */ |
268 | ret = v4l2_subdev_call(hdmi_dev->phy_sd, video, s_dv_timings, | |
269 | &hdmi_dev->cur_timings); | |
a52074ee | 270 | if (ret) { |
9b30af98 | 271 | dev_err(dev, "failed to set timings\n"); |
a52074ee TS |
272 | return ret; |
273 | } | |
274 | ||
275 | /* resetting HDMI core */ | |
276 | hdmi_write_mask(hdmi_dev, HDMI_CORE_RSTOUT, 0, HDMI_CORE_SW_RSTOUT); | |
277 | mdelay(10); | |
278 | hdmi_write_mask(hdmi_dev, HDMI_CORE_RSTOUT, ~0, HDMI_CORE_SW_RSTOUT); | |
279 | mdelay(10); | |
280 | ||
281 | hdmi_reg_init(hdmi_dev); | |
282 | ||
283 | /* setting core registers */ | |
284 | hdmi_timing_apply(hdmi_dev, conf); | |
285 | ||
2fd07a4a TS |
286 | hdmi_dev->cur_conf_dirty = 0; |
287 | ||
a52074ee TS |
288 | return 0; |
289 | } | |
290 | ||
291 | static void hdmi_dumpregs(struct hdmi_device *hdev, char *prefix) | |
292 | { | |
293 | #define DUMPREG(reg_id) \ | |
294 | dev_dbg(hdev->dev, "%s:" #reg_id " = %08x\n", prefix, \ | |
295 | readl(hdev->regs + reg_id)) | |
296 | ||
297 | dev_dbg(hdev->dev, "%s: ---- CONTROL REGISTERS ----\n", prefix); | |
298 | DUMPREG(HDMI_INTC_FLAG); | |
299 | DUMPREG(HDMI_INTC_CON); | |
300 | DUMPREG(HDMI_HPD_STATUS); | |
301 | DUMPREG(HDMI_PHY_RSTOUT); | |
302 | DUMPREG(HDMI_PHY_VPLL); | |
303 | DUMPREG(HDMI_PHY_CMU); | |
304 | DUMPREG(HDMI_CORE_RSTOUT); | |
305 | ||
306 | dev_dbg(hdev->dev, "%s: ---- CORE REGISTERS ----\n", prefix); | |
307 | DUMPREG(HDMI_CON_0); | |
308 | DUMPREG(HDMI_CON_1); | |
309 | DUMPREG(HDMI_CON_2); | |
310 | DUMPREG(HDMI_SYS_STATUS); | |
311 | DUMPREG(HDMI_PHY_STATUS); | |
312 | DUMPREG(HDMI_STATUS_EN); | |
313 | DUMPREG(HDMI_HPD); | |
314 | DUMPREG(HDMI_MODE_SEL); | |
315 | DUMPREG(HDMI_HPD_GEN); | |
316 | DUMPREG(HDMI_DC_CONTROL); | |
317 | DUMPREG(HDMI_VIDEO_PATTERN_GEN); | |
318 | ||
319 | dev_dbg(hdev->dev, "%s: ---- CORE SYNC REGISTERS ----\n", prefix); | |
320 | DUMPREG(HDMI_H_BLANK_0); | |
321 | DUMPREG(HDMI_H_BLANK_1); | |
322 | DUMPREG(HDMI_V_BLANK_0); | |
323 | DUMPREG(HDMI_V_BLANK_1); | |
324 | DUMPREG(HDMI_V_BLANK_2); | |
325 | DUMPREG(HDMI_H_V_LINE_0); | |
326 | DUMPREG(HDMI_H_V_LINE_1); | |
327 | DUMPREG(HDMI_H_V_LINE_2); | |
328 | DUMPREG(HDMI_VSYNC_POL); | |
329 | DUMPREG(HDMI_INT_PRO_MODE); | |
330 | DUMPREG(HDMI_V_BLANK_F_0); | |
331 | DUMPREG(HDMI_V_BLANK_F_1); | |
332 | DUMPREG(HDMI_V_BLANK_F_2); | |
333 | DUMPREG(HDMI_H_SYNC_GEN_0); | |
334 | DUMPREG(HDMI_H_SYNC_GEN_1); | |
335 | DUMPREG(HDMI_H_SYNC_GEN_2); | |
336 | DUMPREG(HDMI_V_SYNC_GEN_1_0); | |
337 | DUMPREG(HDMI_V_SYNC_GEN_1_1); | |
338 | DUMPREG(HDMI_V_SYNC_GEN_1_2); | |
339 | DUMPREG(HDMI_V_SYNC_GEN_2_0); | |
340 | DUMPREG(HDMI_V_SYNC_GEN_2_1); | |
341 | DUMPREG(HDMI_V_SYNC_GEN_2_2); | |
342 | DUMPREG(HDMI_V_SYNC_GEN_3_0); | |
343 | DUMPREG(HDMI_V_SYNC_GEN_3_1); | |
344 | DUMPREG(HDMI_V_SYNC_GEN_3_2); | |
345 | ||
346 | dev_dbg(hdev->dev, "%s: ---- TG REGISTERS ----\n", prefix); | |
347 | DUMPREG(HDMI_TG_CMD); | |
348 | DUMPREG(HDMI_TG_H_FSZ_L); | |
349 | DUMPREG(HDMI_TG_H_FSZ_H); | |
350 | DUMPREG(HDMI_TG_HACT_ST_L); | |
351 | DUMPREG(HDMI_TG_HACT_ST_H); | |
352 | DUMPREG(HDMI_TG_HACT_SZ_L); | |
353 | DUMPREG(HDMI_TG_HACT_SZ_H); | |
354 | DUMPREG(HDMI_TG_V_FSZ_L); | |
355 | DUMPREG(HDMI_TG_V_FSZ_H); | |
356 | DUMPREG(HDMI_TG_VSYNC_L); | |
357 | DUMPREG(HDMI_TG_VSYNC_H); | |
358 | DUMPREG(HDMI_TG_VSYNC2_L); | |
359 | DUMPREG(HDMI_TG_VSYNC2_H); | |
360 | DUMPREG(HDMI_TG_VACT_ST_L); | |
361 | DUMPREG(HDMI_TG_VACT_ST_H); | |
362 | DUMPREG(HDMI_TG_VACT_SZ_L); | |
363 | DUMPREG(HDMI_TG_VACT_SZ_H); | |
364 | DUMPREG(HDMI_TG_FIELD_CHG_L); | |
365 | DUMPREG(HDMI_TG_FIELD_CHG_H); | |
366 | DUMPREG(HDMI_TG_VACT_ST2_L); | |
367 | DUMPREG(HDMI_TG_VACT_ST2_H); | |
368 | DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L); | |
369 | DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H); | |
370 | DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L); | |
371 | DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H); | |
372 | DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L); | |
373 | DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H); | |
374 | DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L); | |
375 | DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H); | |
376 | #undef DUMPREG | |
377 | } | |
378 | ||
3f468acc TS |
379 | static const struct hdmi_timings hdmi_timings_480p = { |
380 | .hact = { .beg = 138, .end = 858 }, | |
381 | .hsyn_pol = 1, | |
382 | .hsyn = { .beg = 16, .end = 16 + 62 }, | |
383 | .interlaced = 0, | |
384 | .vact[0] = { .beg = 42 + 3, .end = 522 + 3 }, | |
385 | .vsyn_pol = 1, | |
386 | .vsyn[0] = { .beg = 6 + 3, .end = 12 + 3}, | |
387 | }; | |
388 | ||
389 | static const struct hdmi_timings hdmi_timings_576p50 = { | |
390 | .hact = { .beg = 144, .end = 864 }, | |
391 | .hsyn_pol = 1, | |
392 | .hsyn = { .beg = 12, .end = 12 + 64 }, | |
393 | .interlaced = 0, | |
394 | .vact[0] = { .beg = 44 + 5, .end = 620 + 5 }, | |
395 | .vsyn_pol = 1, | |
396 | .vsyn[0] = { .beg = 0 + 5, .end = 5 + 5}, | |
397 | }; | |
398 | ||
399 | static const struct hdmi_timings hdmi_timings_720p60 = { | |
400 | .hact = { .beg = 370, .end = 1650 }, | |
401 | .hsyn_pol = 0, | |
402 | .hsyn = { .beg = 110, .end = 110 + 40 }, | |
403 | .interlaced = 0, | |
404 | .vact[0] = { .beg = 25 + 5, .end = 745 + 5 }, | |
405 | .vsyn_pol = 0, | |
406 | .vsyn[0] = { .beg = 0 + 5, .end = 5 + 5}, | |
407 | }; | |
408 | ||
409 | static const struct hdmi_timings hdmi_timings_720p50 = { | |
410 | .hact = { .beg = 700, .end = 1980 }, | |
411 | .hsyn_pol = 0, | |
412 | .hsyn = { .beg = 440, .end = 440 + 40 }, | |
413 | .interlaced = 0, | |
414 | .vact[0] = { .beg = 25 + 5, .end = 745 + 5 }, | |
415 | .vsyn_pol = 0, | |
416 | .vsyn[0] = { .beg = 0 + 5, .end = 5 + 5}, | |
417 | }; | |
418 | ||
419 | static const struct hdmi_timings hdmi_timings_1080p24 = { | |
420 | .hact = { .beg = 830, .end = 2750 }, | |
421 | .hsyn_pol = 0, | |
422 | .hsyn = { .beg = 638, .end = 638 + 44 }, | |
423 | .interlaced = 0, | |
424 | .vact[0] = { .beg = 41 + 4, .end = 1121 + 4 }, | |
425 | .vsyn_pol = 0, | |
426 | .vsyn[0] = { .beg = 0 + 4, .end = 5 + 4}, | |
427 | }; | |
428 | ||
429 | static const struct hdmi_timings hdmi_timings_1080p60 = { | |
430 | .hact = { .beg = 280, .end = 2200 }, | |
431 | .hsyn_pol = 0, | |
432 | .hsyn = { .beg = 88, .end = 88 + 44 }, | |
433 | .interlaced = 0, | |
434 | .vact[0] = { .beg = 41 + 4, .end = 1121 + 4 }, | |
435 | .vsyn_pol = 0, | |
436 | .vsyn[0] = { .beg = 0 + 4, .end = 5 + 4}, | |
a52074ee TS |
437 | }; |
438 | ||
3f468acc TS |
439 | static const struct hdmi_timings hdmi_timings_1080i60 = { |
440 | .hact = { .beg = 280, .end = 2200 }, | |
441 | .hsyn_pol = 0, | |
442 | .hsyn = { .beg = 88, .end = 88 + 44 }, | |
443 | .interlaced = 1, | |
444 | .vact[0] = { .beg = 20 + 2, .end = 560 + 2 }, | |
445 | .vact[1] = { .beg = 583 + 2, .end = 1123 + 2 }, | |
446 | .vsyn_pol = 0, | |
447 | .vsyn_off = 1100, | |
448 | .vsyn[0] = { .beg = 0 + 2, .end = 5 + 2}, | |
449 | .vsyn[1] = { .beg = 562 + 2, .end = 567 + 2}, | |
a52074ee TS |
450 | }; |
451 | ||
3f468acc TS |
452 | static const struct hdmi_timings hdmi_timings_1080i50 = { |
453 | .hact = { .beg = 720, .end = 2640 }, | |
454 | .hsyn_pol = 0, | |
455 | .hsyn = { .beg = 528, .end = 528 + 44 }, | |
456 | .interlaced = 1, | |
457 | .vact[0] = { .beg = 20 + 2, .end = 560 + 2 }, | |
458 | .vact[1] = { .beg = 583 + 2, .end = 1123 + 2 }, | |
459 | .vsyn_pol = 0, | |
460 | .vsyn_off = 1320, | |
461 | .vsyn[0] = { .beg = 0 + 2, .end = 5 + 2}, | |
462 | .vsyn[1] = { .beg = 562 + 2, .end = 567 + 2}, | |
a52074ee TS |
463 | }; |
464 | ||
3f468acc TS |
465 | static const struct hdmi_timings hdmi_timings_1080p50 = { |
466 | .hact = { .beg = 720, .end = 2640 }, | |
467 | .hsyn_pol = 0, | |
468 | .hsyn = { .beg = 528, .end = 528 + 44 }, | |
469 | .interlaced = 0, | |
470 | .vact[0] = { .beg = 41 + 4, .end = 1121 + 4 }, | |
471 | .vsyn_pol = 0, | |
472 | .vsyn[0] = { .beg = 0 + 4, .end = 5 + 4}, | |
a52074ee TS |
473 | }; |
474 | ||
9b30af98 HV |
475 | /* default hdmi_timings index of the timings configured on probe */ |
476 | #define HDMI_DEFAULT_TIMINGS_IDX (0) | |
477 | ||
a52074ee | 478 | static const struct { |
5efb54b2 HV |
479 | bool reduced_fps; |
480 | const struct v4l2_dv_timings dv_timings; | |
481 | const struct hdmi_timings *hdmi_timings; | |
3f468acc | 482 | } hdmi_timings[] = { |
9b30af98 HV |
483 | { false, V4L2_DV_BT_CEA_720X480P59_94, &hdmi_timings_480p }, |
484 | { false, V4L2_DV_BT_CEA_720X576P50, &hdmi_timings_576p50 }, | |
485 | { false, V4L2_DV_BT_CEA_1280X720P50, &hdmi_timings_720p50 }, | |
486 | { true, V4L2_DV_BT_CEA_1280X720P60, &hdmi_timings_720p60 }, | |
487 | { false, V4L2_DV_BT_CEA_1920X1080P24, &hdmi_timings_1080p24 }, | |
488 | { false, V4L2_DV_BT_CEA_1920X1080P30, &hdmi_timings_1080p60 }, | |
489 | { false, V4L2_DV_BT_CEA_1920X1080P50, &hdmi_timings_1080p50 }, | |
490 | { false, V4L2_DV_BT_CEA_1920X1080I50, &hdmi_timings_1080i50 }, | |
491 | { false, V4L2_DV_BT_CEA_1920X1080I60, &hdmi_timings_1080i60 }, | |
492 | { false, V4L2_DV_BT_CEA_1920X1080P60, &hdmi_timings_1080p60 }, | |
a52074ee TS |
493 | }; |
494 | ||
a52074ee TS |
495 | static int hdmi_streamon(struct hdmi_device *hdev) |
496 | { | |
497 | struct device *dev = hdev->dev; | |
498 | struct hdmi_resources *res = &hdev->res; | |
499 | int ret, tries; | |
500 | ||
501 | dev_dbg(dev, "%s\n", __func__); | |
502 | ||
2fd07a4a TS |
503 | ret = hdmi_conf_apply(hdev); |
504 | if (ret) | |
505 | return ret; | |
506 | ||
a52074ee TS |
507 | ret = v4l2_subdev_call(hdev->phy_sd, video, s_stream, 1); |
508 | if (ret) | |
509 | return ret; | |
510 | ||
511 | /* waiting for HDMIPHY's PLL to get to steady state */ | |
512 | for (tries = 100; tries; --tries) { | |
513 | u32 val = hdmi_read(hdev, HDMI_PHY_STATUS); | |
514 | if (val & HDMI_PHY_STATUS_READY) | |
515 | break; | |
516 | mdelay(1); | |
517 | } | |
518 | /* steady state not achieved */ | |
519 | if (tries == 0) { | |
520 | dev_err(dev, "hdmiphy's pll could not reach steady state.\n"); | |
521 | v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0); | |
5145aa76 TS |
522 | hdmi_dumpregs(hdev, "hdmiphy - s_stream"); |
523 | return -EIO; | |
524 | } | |
525 | ||
526 | /* starting MHL */ | |
527 | ret = v4l2_subdev_call(hdev->mhl_sd, video, s_stream, 1); | |
528 | if (hdev->mhl_sd && ret) { | |
529 | v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0); | |
530 | hdmi_dumpregs(hdev, "mhl - s_stream"); | |
a52074ee TS |
531 | return -EIO; |
532 | } | |
533 | ||
534 | /* hdmiphy clock is used for HDMI in streaming mode */ | |
535 | clk_disable(res->sclk_hdmi); | |
536 | clk_set_parent(res->sclk_hdmi, res->sclk_hdmiphy); | |
537 | clk_enable(res->sclk_hdmi); | |
538 | ||
539 | /* enable HDMI and timing generator */ | |
540 | hdmi_write_mask(hdev, HDMI_CON_0, ~0, HDMI_EN); | |
541 | hdmi_write_mask(hdev, HDMI_TG_CMD, ~0, HDMI_TG_EN); | |
542 | hdmi_dumpregs(hdev, "streamon"); | |
543 | return 0; | |
544 | } | |
545 | ||
546 | static int hdmi_streamoff(struct hdmi_device *hdev) | |
547 | { | |
548 | struct device *dev = hdev->dev; | |
549 | struct hdmi_resources *res = &hdev->res; | |
550 | ||
551 | dev_dbg(dev, "%s\n", __func__); | |
552 | ||
553 | hdmi_write_mask(hdev, HDMI_CON_0, 0, HDMI_EN); | |
554 | hdmi_write_mask(hdev, HDMI_TG_CMD, 0, HDMI_TG_EN); | |
555 | ||
556 | /* pixel(vpll) clock is used for HDMI in config mode */ | |
557 | clk_disable(res->sclk_hdmi); | |
558 | clk_set_parent(res->sclk_hdmi, res->sclk_pixel); | |
559 | clk_enable(res->sclk_hdmi); | |
560 | ||
5145aa76 | 561 | v4l2_subdev_call(hdev->mhl_sd, video, s_stream, 0); |
a52074ee TS |
562 | v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0); |
563 | ||
564 | hdmi_dumpregs(hdev, "streamoff"); | |
565 | return 0; | |
566 | } | |
567 | ||
568 | static int hdmi_s_stream(struct v4l2_subdev *sd, int enable) | |
569 | { | |
570 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); | |
571 | struct device *dev = hdev->dev; | |
572 | ||
573 | dev_dbg(dev, "%s(%d)\n", __func__, enable); | |
574 | if (enable) | |
575 | return hdmi_streamon(hdev); | |
576 | return hdmi_streamoff(hdev); | |
577 | } | |
578 | ||
579 | static void hdmi_resource_poweron(struct hdmi_resources *res) | |
580 | { | |
581 | /* turn HDMI power on */ | |
582 | regulator_bulk_enable(res->regul_count, res->regul_bulk); | |
583 | /* power-on hdmi physical interface */ | |
584 | clk_enable(res->hdmiphy); | |
585 | /* use VPP as parent clock; HDMIPHY is not working yet */ | |
586 | clk_set_parent(res->sclk_hdmi, res->sclk_pixel); | |
587 | /* turn clocks on */ | |
588 | clk_enable(res->sclk_hdmi); | |
589 | } | |
590 | ||
591 | static void hdmi_resource_poweroff(struct hdmi_resources *res) | |
592 | { | |
593 | /* turn clocks off */ | |
594 | clk_disable(res->sclk_hdmi); | |
595 | /* power-off hdmiphy */ | |
596 | clk_disable(res->hdmiphy); | |
597 | /* turn HDMI power off */ | |
598 | regulator_bulk_disable(res->regul_count, res->regul_bulk); | |
599 | } | |
600 | ||
601 | static int hdmi_s_power(struct v4l2_subdev *sd, int on) | |
602 | { | |
603 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); | |
604 | int ret; | |
605 | ||
606 | if (on) | |
607 | ret = pm_runtime_get_sync(hdev->dev); | |
608 | else | |
609 | ret = pm_runtime_put_sync(hdev->dev); | |
610 | /* only values < 0 indicate errors */ | |
611 | return IS_ERR_VALUE(ret) ? ret : 0; | |
612 | } | |
613 | ||
5efb54b2 HV |
614 | static int hdmi_s_dv_timings(struct v4l2_subdev *sd, |
615 | struct v4l2_dv_timings *timings) | |
616 | { | |
617 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); | |
618 | struct device *dev = hdev->dev; | |
619 | int i; | |
620 | ||
621 | for (i = 0; i < ARRAY_SIZE(hdmi_timings); i++) | |
622 | if (v4l_match_dv_timings(&hdmi_timings[i].dv_timings, | |
623 | timings, 0)) | |
624 | break; | |
625 | if (i == ARRAY_SIZE(hdmi_timings)) { | |
626 | dev_err(dev, "timings not supported\n"); | |
627 | return -EINVAL; | |
628 | } | |
629 | hdev->cur_conf = hdmi_timings[i].hdmi_timings; | |
630 | hdev->cur_conf_dirty = 1; | |
631 | hdev->cur_timings = *timings; | |
632 | if (!hdmi_timings[i].reduced_fps) | |
633 | hdev->cur_timings.bt.flags &= ~V4L2_DV_FL_CAN_REDUCE_FPS; | |
634 | return 0; | |
635 | } | |
636 | ||
637 | static int hdmi_g_dv_timings(struct v4l2_subdev *sd, | |
638 | struct v4l2_dv_timings *timings) | |
639 | { | |
640 | *timings = sd_to_hdmi_dev(sd)->cur_timings; | |
641 | return 0; | |
642 | } | |
643 | ||
a52074ee TS |
644 | static int hdmi_g_mbus_fmt(struct v4l2_subdev *sd, |
645 | struct v4l2_mbus_framefmt *fmt) | |
646 | { | |
647 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); | |
3f468acc | 648 | const struct hdmi_timings *t = hdev->cur_conf; |
a52074ee | 649 | |
3f468acc | 650 | dev_dbg(hdev->dev, "%s\n", __func__); |
a52074ee TS |
651 | if (!hdev->cur_conf) |
652 | return -EINVAL; | |
d322bb91 | 653 | memset(fmt, 0, sizeof(*fmt)); |
3f468acc TS |
654 | fmt->width = t->hact.end - t->hact.beg; |
655 | fmt->height = t->vact[0].end - t->vact[0].beg; | |
656 | fmt->code = V4L2_MBUS_FMT_FIXED; /* means RGB888 */ | |
657 | fmt->colorspace = V4L2_COLORSPACE_SRGB; | |
658 | if (t->interlaced) { | |
659 | fmt->field = V4L2_FIELD_INTERLACED; | |
660 | fmt->height *= 2; | |
661 | } else { | |
662 | fmt->field = V4L2_FIELD_NONE; | |
663 | } | |
a52074ee TS |
664 | return 0; |
665 | } | |
666 | ||
5efb54b2 HV |
667 | static int hdmi_enum_dv_timings(struct v4l2_subdev *sd, |
668 | struct v4l2_enum_dv_timings *timings) | |
669 | { | |
670 | if (timings->index >= ARRAY_SIZE(hdmi_timings)) | |
671 | return -EINVAL; | |
672 | timings->timings = hdmi_timings[timings->index].dv_timings; | |
673 | if (!hdmi_timings[timings->index].reduced_fps) | |
674 | timings->timings.bt.flags &= ~V4L2_DV_FL_CAN_REDUCE_FPS; | |
675 | return 0; | |
676 | } | |
677 | ||
678 | static int hdmi_dv_timings_cap(struct v4l2_subdev *sd, | |
679 | struct v4l2_dv_timings_cap *cap) | |
680 | { | |
681 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); | |
682 | ||
683 | /* Let the phy fill in the pixelclock range */ | |
684 | v4l2_subdev_call(hdev->phy_sd, video, dv_timings_cap, cap); | |
685 | cap->type = V4L2_DV_BT_656_1120; | |
686 | cap->bt.min_width = 720; | |
687 | cap->bt.max_width = 1920; | |
688 | cap->bt.min_height = 480; | |
689 | cap->bt.max_height = 1080; | |
690 | cap->bt.standards = V4L2_DV_BT_STD_CEA861; | |
691 | cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED | | |
692 | V4L2_DV_BT_CAP_PROGRESSIVE; | |
693 | return 0; | |
694 | } | |
695 | ||
a52074ee TS |
696 | static const struct v4l2_subdev_core_ops hdmi_sd_core_ops = { |
697 | .s_power = hdmi_s_power, | |
698 | }; | |
699 | ||
700 | static const struct v4l2_subdev_video_ops hdmi_sd_video_ops = { | |
5efb54b2 HV |
701 | .s_dv_timings = hdmi_s_dv_timings, |
702 | .g_dv_timings = hdmi_g_dv_timings, | |
703 | .enum_dv_timings = hdmi_enum_dv_timings, | |
704 | .dv_timings_cap = hdmi_dv_timings_cap, | |
a52074ee TS |
705 | .g_mbus_fmt = hdmi_g_mbus_fmt, |
706 | .s_stream = hdmi_s_stream, | |
707 | }; | |
708 | ||
709 | static const struct v4l2_subdev_ops hdmi_sd_ops = { | |
710 | .core = &hdmi_sd_core_ops, | |
711 | .video = &hdmi_sd_video_ops, | |
712 | }; | |
713 | ||
714 | static int hdmi_runtime_suspend(struct device *dev) | |
715 | { | |
716 | struct v4l2_subdev *sd = dev_get_drvdata(dev); | |
717 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); | |
718 | ||
719 | dev_dbg(dev, "%s\n", __func__); | |
5145aa76 | 720 | v4l2_subdev_call(hdev->mhl_sd, core, s_power, 0); |
a52074ee | 721 | hdmi_resource_poweroff(&hdev->res); |
2fd07a4a TS |
722 | /* flag that device context is lost */ |
723 | hdev->cur_conf_dirty = 1; | |
a52074ee TS |
724 | return 0; |
725 | } | |
726 | ||
727 | static int hdmi_runtime_resume(struct device *dev) | |
728 | { | |
729 | struct v4l2_subdev *sd = dev_get_drvdata(dev); | |
730 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); | |
731 | int ret = 0; | |
732 | ||
733 | dev_dbg(dev, "%s\n", __func__); | |
734 | ||
735 | hdmi_resource_poweron(&hdev->res); | |
736 | ||
5145aa76 TS |
737 | /* starting MHL */ |
738 | ret = v4l2_subdev_call(hdev->mhl_sd, core, s_power, 1); | |
739 | if (hdev->mhl_sd && ret) | |
740 | goto fail; | |
741 | ||
a52074ee TS |
742 | dev_dbg(dev, "poweron succeed\n"); |
743 | ||
744 | return 0; | |
745 | ||
746 | fail: | |
747 | hdmi_resource_poweroff(&hdev->res); | |
748 | dev_err(dev, "poweron failed\n"); | |
749 | ||
750 | return ret; | |
751 | } | |
752 | ||
753 | static const struct dev_pm_ops hdmi_pm_ops = { | |
754 | .runtime_suspend = hdmi_runtime_suspend, | |
755 | .runtime_resume = hdmi_runtime_resume, | |
756 | }; | |
757 | ||
758 | static void hdmi_resources_cleanup(struct hdmi_device *hdev) | |
759 | { | |
760 | struct hdmi_resources *res = &hdev->res; | |
761 | ||
762 | dev_dbg(hdev->dev, "HDMI resource cleanup\n"); | |
763 | /* put clocks, power */ | |
764 | if (res->regul_count) | |
765 | regulator_bulk_free(res->regul_count, res->regul_bulk); | |
766 | /* kfree is NULL-safe */ | |
767 | kfree(res->regul_bulk); | |
768 | if (!IS_ERR_OR_NULL(res->hdmiphy)) | |
769 | clk_put(res->hdmiphy); | |
770 | if (!IS_ERR_OR_NULL(res->sclk_hdmiphy)) | |
771 | clk_put(res->sclk_hdmiphy); | |
772 | if (!IS_ERR_OR_NULL(res->sclk_pixel)) | |
773 | clk_put(res->sclk_pixel); | |
774 | if (!IS_ERR_OR_NULL(res->sclk_hdmi)) | |
775 | clk_put(res->sclk_hdmi); | |
776 | if (!IS_ERR_OR_NULL(res->hdmi)) | |
777 | clk_put(res->hdmi); | |
d322bb91 | 778 | memset(res, 0, sizeof(*res)); |
a52074ee TS |
779 | } |
780 | ||
781 | static int hdmi_resources_init(struct hdmi_device *hdev) | |
782 | { | |
783 | struct device *dev = hdev->dev; | |
784 | struct hdmi_resources *res = &hdev->res; | |
785 | static char *supply[] = { | |
786 | "hdmi-en", | |
787 | "vdd", | |
788 | "vdd_osc", | |
789 | "vdd_pll", | |
790 | }; | |
791 | int i, ret; | |
792 | ||
793 | dev_dbg(dev, "HDMI resource init\n"); | |
794 | ||
d322bb91 | 795 | memset(res, 0, sizeof(*res)); |
a52074ee TS |
796 | /* get clocks, power */ |
797 | ||
798 | res->hdmi = clk_get(dev, "hdmi"); | |
aeae3db1 | 799 | if (IS_ERR(res->hdmi)) { |
a52074ee TS |
800 | dev_err(dev, "failed to get clock 'hdmi'\n"); |
801 | goto fail; | |
802 | } | |
803 | res->sclk_hdmi = clk_get(dev, "sclk_hdmi"); | |
aeae3db1 | 804 | if (IS_ERR(res->sclk_hdmi)) { |
a52074ee TS |
805 | dev_err(dev, "failed to get clock 'sclk_hdmi'\n"); |
806 | goto fail; | |
807 | } | |
808 | res->sclk_pixel = clk_get(dev, "sclk_pixel"); | |
aeae3db1 | 809 | if (IS_ERR(res->sclk_pixel)) { |
a52074ee TS |
810 | dev_err(dev, "failed to get clock 'sclk_pixel'\n"); |
811 | goto fail; | |
812 | } | |
813 | res->sclk_hdmiphy = clk_get(dev, "sclk_hdmiphy"); | |
aeae3db1 | 814 | if (IS_ERR(res->sclk_hdmiphy)) { |
a52074ee TS |
815 | dev_err(dev, "failed to get clock 'sclk_hdmiphy'\n"); |
816 | goto fail; | |
817 | } | |
818 | res->hdmiphy = clk_get(dev, "hdmiphy"); | |
aeae3db1 | 819 | if (IS_ERR(res->hdmiphy)) { |
a52074ee TS |
820 | dev_err(dev, "failed to get clock 'hdmiphy'\n"); |
821 | goto fail; | |
822 | } | |
505b534d TM |
823 | res->regul_bulk = kcalloc(ARRAY_SIZE(supply), |
824 | sizeof(res->regul_bulk[0]), GFP_KERNEL); | |
a52074ee TS |
825 | if (!res->regul_bulk) { |
826 | dev_err(dev, "failed to get memory for regulators\n"); | |
827 | goto fail; | |
828 | } | |
829 | for (i = 0; i < ARRAY_SIZE(supply); ++i) { | |
830 | res->regul_bulk[i].supply = supply[i]; | |
831 | res->regul_bulk[i].consumer = NULL; | |
832 | } | |
833 | ||
834 | ret = regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk); | |
835 | if (ret) { | |
836 | dev_err(dev, "failed to get regulators\n"); | |
837 | goto fail; | |
838 | } | |
839 | res->regul_count = ARRAY_SIZE(supply); | |
840 | ||
841 | return 0; | |
842 | fail: | |
843 | dev_err(dev, "HDMI resource init - failed\n"); | |
844 | hdmi_resources_cleanup(hdev); | |
845 | return -ENODEV; | |
846 | } | |
847 | ||
4c62e976 | 848 | static int hdmi_probe(struct platform_device *pdev) |
a52074ee TS |
849 | { |
850 | struct device *dev = &pdev->dev; | |
851 | struct resource *res; | |
5145aa76 | 852 | struct i2c_adapter *adapter; |
a52074ee TS |
853 | struct v4l2_subdev *sd; |
854 | struct hdmi_device *hdmi_dev = NULL; | |
350f2f4d | 855 | struct s5p_hdmi_platform_data *pdata = dev->platform_data; |
a52074ee TS |
856 | int ret; |
857 | ||
858 | dev_dbg(dev, "probe start\n"); | |
859 | ||
350f2f4d TS |
860 | if (!pdata) { |
861 | dev_err(dev, "platform data is missing\n"); | |
862 | ret = -ENODEV; | |
863 | goto fail; | |
864 | } | |
865 | ||
e861dccc | 866 | hdmi_dev = devm_kzalloc(&pdev->dev, sizeof(*hdmi_dev), GFP_KERNEL); |
a52074ee TS |
867 | if (!hdmi_dev) { |
868 | dev_err(dev, "out of memory\n"); | |
869 | ret = -ENOMEM; | |
870 | goto fail; | |
871 | } | |
872 | ||
873 | hdmi_dev->dev = dev; | |
874 | ||
875 | ret = hdmi_resources_init(hdmi_dev); | |
876 | if (ret) | |
e861dccc | 877 | goto fail; |
a52074ee TS |
878 | |
879 | /* mapping HDMI registers */ | |
880 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
881 | if (res == NULL) { | |
882 | dev_err(dev, "get memory resource failed.\n"); | |
883 | ret = -ENXIO; | |
884 | goto fail_init; | |
885 | } | |
886 | ||
e861dccc JL |
887 | hdmi_dev->regs = devm_ioremap(&pdev->dev, res->start, |
888 | resource_size(res)); | |
a52074ee TS |
889 | if (hdmi_dev->regs == NULL) { |
890 | dev_err(dev, "register mapping failed.\n"); | |
891 | ret = -ENXIO; | |
e861dccc | 892 | goto fail_init; |
a52074ee TS |
893 | } |
894 | ||
895 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | |
896 | if (res == NULL) { | |
897 | dev_err(dev, "get interrupt resource failed.\n"); | |
898 | ret = -ENXIO; | |
e861dccc | 899 | goto fail_init; |
a52074ee TS |
900 | } |
901 | ||
e861dccc JL |
902 | ret = devm_request_irq(&pdev->dev, res->start, hdmi_irq_handler, 0, |
903 | "hdmi", hdmi_dev); | |
a52074ee TS |
904 | if (ret) { |
905 | dev_err(dev, "request interrupt failed.\n"); | |
e861dccc | 906 | goto fail_init; |
a52074ee TS |
907 | } |
908 | hdmi_dev->irq = res->start; | |
909 | ||
910 | /* setting v4l2 name to prevent WARN_ON in v4l2_device_register */ | |
911 | strlcpy(hdmi_dev->v4l2_dev.name, dev_name(dev), | |
912 | sizeof(hdmi_dev->v4l2_dev.name)); | |
913 | /* passing NULL owner prevents driver from erasing drvdata */ | |
914 | ret = v4l2_device_register(NULL, &hdmi_dev->v4l2_dev); | |
915 | if (ret) { | |
916 | dev_err(dev, "could not register v4l2 device.\n"); | |
e861dccc | 917 | goto fail_init; |
a52074ee TS |
918 | } |
919 | ||
350f2f4d TS |
920 | /* testing if hdmiphy info is present */ |
921 | if (!pdata->hdmiphy_info) { | |
922 | dev_err(dev, "hdmiphy info is missing in platform data\n"); | |
923 | ret = -ENXIO; | |
924 | goto fail_vdev; | |
925 | } | |
926 | ||
5145aa76 TS |
927 | adapter = i2c_get_adapter(pdata->hdmiphy_bus); |
928 | if (adapter == NULL) { | |
929 | dev_err(dev, "hdmiphy adapter request failed\n"); | |
a52074ee TS |
930 | ret = -ENXIO; |
931 | goto fail_vdev; | |
932 | } | |
933 | ||
934 | hdmi_dev->phy_sd = v4l2_i2c_new_subdev_board(&hdmi_dev->v4l2_dev, | |
5145aa76 | 935 | adapter, pdata->hdmiphy_info, NULL); |
a52074ee | 936 | /* on failure or not adapter is no longer useful */ |
5145aa76 | 937 | i2c_put_adapter(adapter); |
a52074ee TS |
938 | if (hdmi_dev->phy_sd == NULL) { |
939 | dev_err(dev, "missing subdev for hdmiphy\n"); | |
940 | ret = -ENODEV; | |
941 | goto fail_vdev; | |
942 | } | |
943 | ||
5145aa76 TS |
944 | /* initialization of MHL interface if present */ |
945 | if (pdata->mhl_info) { | |
946 | adapter = i2c_get_adapter(pdata->mhl_bus); | |
947 | if (adapter == NULL) { | |
948 | dev_err(dev, "MHL adapter request failed\n"); | |
949 | ret = -ENXIO; | |
950 | goto fail_vdev; | |
951 | } | |
952 | ||
953 | hdmi_dev->mhl_sd = v4l2_i2c_new_subdev_board( | |
954 | &hdmi_dev->v4l2_dev, adapter, | |
955 | pdata->mhl_info, NULL); | |
956 | /* on failure or not adapter is no longer useful */ | |
957 | i2c_put_adapter(adapter); | |
958 | if (hdmi_dev->mhl_sd == NULL) { | |
959 | dev_err(dev, "missing subdev for MHL\n"); | |
960 | ret = -ENODEV; | |
961 | goto fail_vdev; | |
962 | } | |
963 | } | |
964 | ||
a52074ee TS |
965 | clk_enable(hdmi_dev->res.hdmi); |
966 | ||
967 | pm_runtime_enable(dev); | |
968 | ||
969 | sd = &hdmi_dev->sd; | |
970 | v4l2_subdev_init(sd, &hdmi_sd_ops); | |
971 | sd->owner = THIS_MODULE; | |
972 | ||
d322bb91 | 973 | strlcpy(sd->name, "s5p-hdmi", sizeof(sd->name)); |
9b30af98 HV |
974 | hdmi_dev->cur_timings = |
975 | hdmi_timings[HDMI_DEFAULT_TIMINGS_IDX].dv_timings; | |
976 | /* FIXME: missing fail timings is not supported */ | |
977 | hdmi_dev->cur_conf = | |
978 | hdmi_timings[HDMI_DEFAULT_TIMINGS_IDX].hdmi_timings; | |
2fd07a4a | 979 | hdmi_dev->cur_conf_dirty = 1; |
a52074ee TS |
980 | |
981 | /* storing subdev for call that have only access to struct device */ | |
982 | dev_set_drvdata(dev, sd); | |
983 | ||
41292b16 | 984 | dev_info(dev, "probe successful\n"); |
a52074ee TS |
985 | |
986 | return 0; | |
987 | ||
988 | fail_vdev: | |
989 | v4l2_device_unregister(&hdmi_dev->v4l2_dev); | |
990 | ||
a52074ee TS |
991 | fail_init: |
992 | hdmi_resources_cleanup(hdmi_dev); | |
993 | ||
a52074ee TS |
994 | fail: |
995 | dev_err(dev, "probe failed\n"); | |
996 | return ret; | |
997 | } | |
998 | ||
4c62e976 | 999 | static int hdmi_remove(struct platform_device *pdev) |
a52074ee TS |
1000 | { |
1001 | struct device *dev = &pdev->dev; | |
1002 | struct v4l2_subdev *sd = dev_get_drvdata(dev); | |
1003 | struct hdmi_device *hdmi_dev = sd_to_hdmi_dev(sd); | |
1004 | ||
1005 | pm_runtime_disable(dev); | |
1006 | clk_disable(hdmi_dev->res.hdmi); | |
1007 | v4l2_device_unregister(&hdmi_dev->v4l2_dev); | |
1008 | disable_irq(hdmi_dev->irq); | |
a52074ee | 1009 | hdmi_resources_cleanup(hdmi_dev); |
41292b16 | 1010 | dev_info(dev, "remove successful\n"); |
a52074ee TS |
1011 | |
1012 | return 0; | |
1013 | } | |
1014 | ||
1015 | static struct platform_driver hdmi_driver __refdata = { | |
1016 | .probe = hdmi_probe, | |
4c62e976 | 1017 | .remove = hdmi_remove, |
a52074ee TS |
1018 | .id_table = hdmi_driver_types, |
1019 | .driver = { | |
1020 | .name = "s5p-hdmi", | |
1021 | .owner = THIS_MODULE, | |
1022 | .pm = &hdmi_pm_ops, | |
1023 | } | |
1024 | }; | |
1025 | ||
1d6629b1 | 1026 | module_platform_driver(hdmi_driver); |