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cdfbff78 BG |
1 | /* |
2 | * Copyright (C) STMicroelectronics SA 2014 | |
3 | * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> | |
4 | * Vincent Abriou <vincent.abriou@st.com> | |
5 | * for STMicroelectronics. | |
6 | * License terms: GNU General Public License (GPL), version 2 | |
7 | */ | |
8 | ||
9 | #include <linux/clk.h> | |
10 | #include <linux/component.h> | |
11 | #include <linux/module.h> | |
12 | #include <linux/of_platform.h> | |
13 | #include <linux/platform_device.h> | |
14 | #include <linux/reset.h> | |
15 | ||
16 | #include <drm/drmP.h> | |
17 | #include <drm/drm_crtc_helper.h> | |
18 | ||
9e1f05b2 | 19 | #include "sti_crtc.h" |
503290ce | 20 | #include "sti_vtg.h" |
5e03abc5 | 21 | |
cdfbff78 BG |
22 | /* glue registers */ |
23 | #define TVO_CSC_MAIN_M0 0x000 | |
24 | #define TVO_CSC_MAIN_M1 0x004 | |
25 | #define TVO_CSC_MAIN_M2 0x008 | |
26 | #define TVO_CSC_MAIN_M3 0x00c | |
27 | #define TVO_CSC_MAIN_M4 0x010 | |
28 | #define TVO_CSC_MAIN_M5 0x014 | |
29 | #define TVO_CSC_MAIN_M6 0x018 | |
30 | #define TVO_CSC_MAIN_M7 0x01c | |
31 | #define TVO_MAIN_IN_VID_FORMAT 0x030 | |
32 | #define TVO_CSC_AUX_M0 0x100 | |
33 | #define TVO_CSC_AUX_M1 0x104 | |
34 | #define TVO_CSC_AUX_M2 0x108 | |
35 | #define TVO_CSC_AUX_M3 0x10c | |
36 | #define TVO_CSC_AUX_M4 0x110 | |
37 | #define TVO_CSC_AUX_M5 0x114 | |
38 | #define TVO_CSC_AUX_M6 0x118 | |
39 | #define TVO_CSC_AUX_M7 0x11c | |
40 | #define TVO_AUX_IN_VID_FORMAT 0x130 | |
41 | #define TVO_VIP_HDF 0x400 | |
42 | #define TVO_HD_SYNC_SEL 0x418 | |
43 | #define TVO_HD_DAC_CFG_OFF 0x420 | |
44 | #define TVO_VIP_HDMI 0x500 | |
45 | #define TVO_HDMI_FORCE_COLOR_0 0x504 | |
46 | #define TVO_HDMI_FORCE_COLOR_1 0x508 | |
47 | #define TVO_HDMI_CLIP_VALUE_B_CB 0x50c | |
48 | #define TVO_HDMI_CLIP_VALUE_Y_G 0x510 | |
49 | #define TVO_HDMI_CLIP_VALUE_R_CR 0x514 | |
50 | #define TVO_HDMI_SYNC_SEL 0x518 | |
51 | #define TVO_HDMI_DFV_OBS 0x540 | |
f32c4c50 BG |
52 | #define TVO_VIP_DVO 0x600 |
53 | #define TVO_DVO_SYNC_SEL 0x618 | |
54 | #define TVO_DVO_CONFIG 0x620 | |
cdfbff78 BG |
55 | |
56 | #define TVO_IN_FMT_SIGNED BIT(0) | |
57 | #define TVO_SYNC_EXT BIT(4) | |
58 | ||
59 | #define TVO_VIP_REORDER_R_SHIFT 24 | |
60 | #define TVO_VIP_REORDER_G_SHIFT 20 | |
61 | #define TVO_VIP_REORDER_B_SHIFT 16 | |
62 | #define TVO_VIP_REORDER_MASK 0x3 | |
63 | #define TVO_VIP_REORDER_Y_G_SEL 0 | |
64 | #define TVO_VIP_REORDER_CB_B_SEL 1 | |
65 | #define TVO_VIP_REORDER_CR_R_SEL 2 | |
66 | ||
67 | #define TVO_VIP_CLIP_SHIFT 8 | |
68 | #define TVO_VIP_CLIP_MASK 0x7 | |
69 | #define TVO_VIP_CLIP_DISABLED 0 | |
70 | #define TVO_VIP_CLIP_EAV_SAV 1 | |
71 | #define TVO_VIP_CLIP_LIMITED_RANGE_RGB_Y 2 | |
72 | #define TVO_VIP_CLIP_LIMITED_RANGE_CB_CR 3 | |
73 | #define TVO_VIP_CLIP_PROG_RANGE 4 | |
74 | ||
75 | #define TVO_VIP_RND_SHIFT 4 | |
76 | #define TVO_VIP_RND_MASK 0x3 | |
77 | #define TVO_VIP_RND_8BIT_ROUNDED 0 | |
78 | #define TVO_VIP_RND_10BIT_ROUNDED 1 | |
79 | #define TVO_VIP_RND_12BIT_ROUNDED 2 | |
80 | ||
81 | #define TVO_VIP_SEL_INPUT_MASK 0xf | |
82 | #define TVO_VIP_SEL_INPUT_MAIN 0x0 | |
83 | #define TVO_VIP_SEL_INPUT_AUX 0x8 | |
84 | #define TVO_VIP_SEL_INPUT_FORCE_COLOR 0xf | |
85 | #define TVO_VIP_SEL_INPUT_BYPASS_MASK 0x1 | |
86 | #define TVO_VIP_SEL_INPUT_BYPASSED 1 | |
87 | ||
88 | #define TVO_SYNC_MAIN_VTG_SET_REF 0x00 | |
cdfbff78 | 89 | #define TVO_SYNC_AUX_VTG_SET_REF 0x10 |
cdfbff78 BG |
90 | |
91 | #define TVO_SYNC_HD_DCS_SHIFT 8 | |
92 | ||
f32c4c50 BG |
93 | #define TVO_SYNC_DVO_PAD_HSYNC_SHIFT 8 |
94 | #define TVO_SYNC_DVO_PAD_VSYNC_SHIFT 16 | |
95 | ||
5e03abc5 | 96 | #define ENCODER_CRTC_MASK (BIT(0) | BIT(1)) |
cdfbff78 | 97 | |
05a142c2 BH |
98 | #define TVO_MIN_HD_HEIGHT 720 |
99 | ||
cdfbff78 BG |
100 | /* enum listing the supported output data format */ |
101 | enum sti_tvout_video_out_type { | |
102 | STI_TVOUT_VIDEO_OUT_RGB, | |
103 | STI_TVOUT_VIDEO_OUT_YUV, | |
104 | }; | |
105 | ||
106 | struct sti_tvout { | |
107 | struct device *dev; | |
108 | struct drm_device *drm_dev; | |
109 | void __iomem *regs; | |
110 | struct reset_control *reset; | |
111 | struct drm_encoder *hdmi; | |
112 | struct drm_encoder *hda; | |
f32c4c50 | 113 | struct drm_encoder *dvo; |
cdfbff78 BG |
114 | }; |
115 | ||
116 | struct sti_tvout_encoder { | |
117 | struct drm_encoder encoder; | |
118 | struct sti_tvout *tvout; | |
119 | }; | |
120 | ||
121 | #define to_sti_tvout_encoder(x) \ | |
122 | container_of(x, struct sti_tvout_encoder, encoder) | |
123 | ||
124 | #define to_sti_tvout(x) to_sti_tvout_encoder(x)->tvout | |
125 | ||
126 | /* preformatter conversion matrix */ | |
127 | static const u32 rgb_to_ycbcr_601[8] = { | |
128 | 0xF927082E, 0x04C9FEAB, 0x01D30964, 0xFA95FD3D, | |
129 | 0x0000082E, 0x00002000, 0x00002000, 0x00000000 | |
130 | }; | |
131 | ||
132 | /* 709 RGB to YCbCr */ | |
133 | static const u32 rgb_to_ycbcr_709[8] = { | |
134 | 0xF891082F, 0x0367FF40, 0x01280B71, 0xF9B1FE20, | |
135 | 0x0000082F, 0x00002000, 0x00002000, 0x00000000 | |
136 | }; | |
137 | ||
138 | static u32 tvout_read(struct sti_tvout *tvout, int offset) | |
139 | { | |
140 | return readl(tvout->regs + offset); | |
141 | } | |
142 | ||
143 | static void tvout_write(struct sti_tvout *tvout, u32 val, int offset) | |
144 | { | |
145 | writel(val, tvout->regs + offset); | |
146 | } | |
147 | ||
148 | /** | |
149 | * Set the clipping mode of a VIP | |
150 | * | |
151 | * @tvout: tvout structure | |
ca279601 | 152 | * @reg: register to set |
cdfbff78 BG |
153 | * @cr_r: |
154 | * @y_g: | |
155 | * @cb_b: | |
156 | */ | |
ca279601 | 157 | static void tvout_vip_set_color_order(struct sti_tvout *tvout, int reg, |
cdfbff78 BG |
158 | u32 cr_r, u32 y_g, u32 cb_b) |
159 | { | |
ca279601 | 160 | u32 val = tvout_read(tvout, reg); |
cdfbff78 BG |
161 | |
162 | val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_R_SHIFT); | |
163 | val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_G_SHIFT); | |
164 | val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_B_SHIFT); | |
165 | val |= cr_r << TVO_VIP_REORDER_R_SHIFT; | |
166 | val |= y_g << TVO_VIP_REORDER_G_SHIFT; | |
167 | val |= cb_b << TVO_VIP_REORDER_B_SHIFT; | |
168 | ||
ca279601 | 169 | tvout_write(tvout, val, reg); |
cdfbff78 BG |
170 | } |
171 | ||
172 | /** | |
173 | * Set the clipping mode of a VIP | |
174 | * | |
175 | * @tvout: tvout structure | |
ca279601 | 176 | * @reg: register to set |
cdfbff78 BG |
177 | * @range: clipping range |
178 | */ | |
ca279601 | 179 | static void tvout_vip_set_clip_mode(struct sti_tvout *tvout, int reg, u32 range) |
cdfbff78 | 180 | { |
ca279601 | 181 | u32 val = tvout_read(tvout, reg); |
cdfbff78 BG |
182 | |
183 | val &= ~(TVO_VIP_CLIP_MASK << TVO_VIP_CLIP_SHIFT); | |
184 | val |= range << TVO_VIP_CLIP_SHIFT; | |
ca279601 | 185 | tvout_write(tvout, val, reg); |
cdfbff78 BG |
186 | } |
187 | ||
188 | /** | |
189 | * Set the rounded value of a VIP | |
190 | * | |
191 | * @tvout: tvout structure | |
ca279601 | 192 | * @reg: register to set |
cdfbff78 BG |
193 | * @rnd: rounded val per component |
194 | */ | |
ca279601 | 195 | static void tvout_vip_set_rnd(struct sti_tvout *tvout, int reg, u32 rnd) |
cdfbff78 | 196 | { |
ca279601 | 197 | u32 val = tvout_read(tvout, reg); |
cdfbff78 BG |
198 | |
199 | val &= ~(TVO_VIP_RND_MASK << TVO_VIP_RND_SHIFT); | |
200 | val |= rnd << TVO_VIP_RND_SHIFT; | |
ca279601 | 201 | tvout_write(tvout, val, reg); |
cdfbff78 BG |
202 | } |
203 | ||
204 | /** | |
205 | * Select the VIP input | |
206 | * | |
207 | * @tvout: tvout structure | |
ca279601 BG |
208 | * @reg: register to set |
209 | * @main_path: main or auxiliary path | |
210 | * @sel_input_logic_inverted: need to invert the logic | |
cdfbff78 BG |
211 | * @sel_input: selected_input (main/aux + conv) |
212 | */ | |
213 | static void tvout_vip_set_sel_input(struct sti_tvout *tvout, | |
ca279601 | 214 | int reg, |
cdfbff78 BG |
215 | bool main_path, |
216 | bool sel_input_logic_inverted, | |
217 | enum sti_tvout_video_out_type video_out) | |
218 | { | |
219 | u32 sel_input; | |
ca279601 | 220 | u32 val = tvout_read(tvout, reg); |
cdfbff78 BG |
221 | |
222 | if (main_path) | |
223 | sel_input = TVO_VIP_SEL_INPUT_MAIN; | |
224 | else | |
225 | sel_input = TVO_VIP_SEL_INPUT_AUX; | |
226 | ||
227 | switch (video_out) { | |
228 | case STI_TVOUT_VIDEO_OUT_RGB: | |
229 | sel_input |= TVO_VIP_SEL_INPUT_BYPASSED; | |
230 | break; | |
231 | case STI_TVOUT_VIDEO_OUT_YUV: | |
232 | sel_input &= ~TVO_VIP_SEL_INPUT_BYPASSED; | |
233 | break; | |
234 | } | |
235 | ||
236 | /* on stih407 chip the sel_input bypass mode logic is inverted */ | |
237 | if (sel_input_logic_inverted) | |
238 | sel_input = sel_input ^ TVO_VIP_SEL_INPUT_BYPASS_MASK; | |
239 | ||
240 | val &= ~TVO_VIP_SEL_INPUT_MASK; | |
241 | val |= sel_input; | |
ca279601 | 242 | tvout_write(tvout, val, reg); |
cdfbff78 BG |
243 | } |
244 | ||
245 | /** | |
246 | * Select the input video signed or unsigned | |
247 | * | |
248 | * @tvout: tvout structure | |
ca279601 | 249 | * @reg: register to set |
cdfbff78 BG |
250 | * @in_vid_signed: used video input format |
251 | */ | |
ca279601 BG |
252 | static void tvout_vip_set_in_vid_fmt(struct sti_tvout *tvout, |
253 | int reg, u32 in_vid_fmt) | |
cdfbff78 | 254 | { |
ca279601 | 255 | u32 val = tvout_read(tvout, reg); |
cdfbff78 BG |
256 | |
257 | val &= ~TVO_IN_FMT_SIGNED; | |
258 | val |= in_vid_fmt; | |
ca279601 | 259 | tvout_write(tvout, val, reg); |
cdfbff78 BG |
260 | } |
261 | ||
05a142c2 BH |
262 | /** |
263 | * Set preformatter matrix | |
264 | * | |
265 | * @tvout: tvout structure | |
266 | * @mode: display mode structure | |
267 | */ | |
268 | static void tvout_preformatter_set_matrix(struct sti_tvout *tvout, | |
269 | struct drm_display_mode *mode) | |
270 | { | |
271 | unsigned int i; | |
272 | const u32 *pf_matrix; | |
273 | ||
274 | if (mode->vdisplay >= TVO_MIN_HD_HEIGHT) | |
275 | pf_matrix = rgb_to_ycbcr_709; | |
276 | else | |
277 | pf_matrix = rgb_to_ycbcr_601; | |
278 | ||
279 | for (i = 0; i < 8; i++) { | |
280 | tvout_write(tvout, *(pf_matrix + i), | |
281 | TVO_CSC_MAIN_M0 + (i * 4)); | |
282 | tvout_write(tvout, *(pf_matrix + i), | |
283 | TVO_CSC_AUX_M0 + (i * 4)); | |
284 | } | |
285 | } | |
286 | ||
f32c4c50 BG |
287 | /** |
288 | * Start VIP block for DVO output | |
289 | * | |
290 | * @tvout: pointer on tvout structure | |
291 | * @main_path: true if main path has to be used in the vip configuration | |
292 | * else aux path is used. | |
293 | */ | |
294 | static void tvout_dvo_start(struct sti_tvout *tvout, bool main_path) | |
295 | { | |
296 | struct device_node *node = tvout->dev->of_node; | |
297 | bool sel_input_logic_inverted = false; | |
298 | u32 tvo_in_vid_format; | |
503290ce | 299 | int val, tmp; |
f32c4c50 BG |
300 | |
301 | dev_dbg(tvout->dev, "%s\n", __func__); | |
302 | ||
303 | if (main_path) { | |
304 | DRM_DEBUG_DRIVER("main vip for DVO\n"); | |
503290ce VA |
305 | /* Select the input sync for dvo */ |
306 | tmp = TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_DVO; | |
307 | val = tmp << TVO_SYNC_DVO_PAD_VSYNC_SHIFT; | |
308 | val |= tmp << TVO_SYNC_DVO_PAD_HSYNC_SHIFT; | |
309 | val |= tmp; | |
f32c4c50 BG |
310 | tvout_write(tvout, val, TVO_DVO_SYNC_SEL); |
311 | tvo_in_vid_format = TVO_MAIN_IN_VID_FORMAT; | |
312 | } else { | |
313 | DRM_DEBUG_DRIVER("aux vip for DVO\n"); | |
503290ce VA |
314 | /* Select the input sync for dvo */ |
315 | tmp = TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_DVO; | |
316 | val = tmp << TVO_SYNC_DVO_PAD_VSYNC_SHIFT; | |
317 | val |= tmp << TVO_SYNC_DVO_PAD_HSYNC_SHIFT; | |
318 | val |= tmp; | |
f32c4c50 BG |
319 | tvout_write(tvout, val, TVO_DVO_SYNC_SEL); |
320 | tvo_in_vid_format = TVO_AUX_IN_VID_FORMAT; | |
321 | } | |
322 | ||
323 | /* Set color channel order */ | |
324 | tvout_vip_set_color_order(tvout, TVO_VIP_DVO, | |
325 | TVO_VIP_REORDER_CR_R_SEL, | |
326 | TVO_VIP_REORDER_Y_G_SEL, | |
327 | TVO_VIP_REORDER_CB_B_SEL); | |
328 | ||
329 | /* Set clipping mode (Limited range RGB/Y) */ | |
330 | tvout_vip_set_clip_mode(tvout, TVO_VIP_DVO, | |
331 | TVO_VIP_CLIP_LIMITED_RANGE_RGB_Y); | |
332 | ||
333 | /* Set round mode (rounded to 8-bit per component) */ | |
334 | tvout_vip_set_rnd(tvout, TVO_VIP_DVO, TVO_VIP_RND_8BIT_ROUNDED); | |
335 | ||
336 | if (of_device_is_compatible(node, "st,stih407-tvout")) { | |
337 | /* Set input video format */ | |
338 | tvout_vip_set_in_vid_fmt(tvout, tvo_in_vid_format, | |
339 | TVO_IN_FMT_SIGNED); | |
340 | sel_input_logic_inverted = true; | |
341 | } | |
342 | ||
343 | /* Input selection */ | |
344 | tvout_vip_set_sel_input(tvout, TVO_VIP_DVO, main_path, | |
345 | sel_input_logic_inverted, | |
346 | STI_TVOUT_VIDEO_OUT_RGB); | |
347 | } | |
348 | ||
cdfbff78 BG |
349 | /** |
350 | * Start VIP block for HDMI output | |
351 | * | |
352 | * @tvout: pointer on tvout structure | |
353 | * @main_path: true if main path has to be used in the vip configuration | |
354 | * else aux path is used. | |
355 | */ | |
356 | static void tvout_hdmi_start(struct sti_tvout *tvout, bool main_path) | |
357 | { | |
358 | struct device_node *node = tvout->dev->of_node; | |
359 | bool sel_input_logic_inverted = false; | |
ca279601 | 360 | u32 tvo_in_vid_format; |
cdfbff78 BG |
361 | |
362 | dev_dbg(tvout->dev, "%s\n", __func__); | |
363 | ||
364 | if (main_path) { | |
365 | DRM_DEBUG_DRIVER("main vip for hdmi\n"); | |
503290ce VA |
366 | /* select the input sync for hdmi */ |
367 | tvout_write(tvout, | |
368 | TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_HDMI, | |
369 | TVO_HDMI_SYNC_SEL); | |
ca279601 | 370 | tvo_in_vid_format = TVO_MAIN_IN_VID_FORMAT; |
cdfbff78 BG |
371 | } else { |
372 | DRM_DEBUG_DRIVER("aux vip for hdmi\n"); | |
503290ce VA |
373 | /* select the input sync for hdmi */ |
374 | tvout_write(tvout, | |
375 | TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_HDMI, | |
376 | TVO_HDMI_SYNC_SEL); | |
ca279601 | 377 | tvo_in_vid_format = TVO_AUX_IN_VID_FORMAT; |
cdfbff78 BG |
378 | } |
379 | ||
380 | /* set color channel order */ | |
ca279601 | 381 | tvout_vip_set_color_order(tvout, TVO_VIP_HDMI, |
cdfbff78 BG |
382 | TVO_VIP_REORDER_CR_R_SEL, |
383 | TVO_VIP_REORDER_Y_G_SEL, | |
384 | TVO_VIP_REORDER_CB_B_SEL); | |
385 | ||
386 | /* set clipping mode (Limited range RGB/Y) */ | |
ca279601 BG |
387 | tvout_vip_set_clip_mode(tvout, TVO_VIP_HDMI, |
388 | TVO_VIP_CLIP_LIMITED_RANGE_RGB_Y); | |
cdfbff78 BG |
389 | |
390 | /* set round mode (rounded to 8-bit per component) */ | |
ca279601 | 391 | tvout_vip_set_rnd(tvout, TVO_VIP_HDMI, TVO_VIP_RND_8BIT_ROUNDED); |
cdfbff78 BG |
392 | |
393 | if (of_device_is_compatible(node, "st,stih407-tvout")) { | |
394 | /* set input video format */ | |
ca279601 BG |
395 | tvout_vip_set_in_vid_fmt(tvout, tvo_in_vid_format, |
396 | TVO_IN_FMT_SIGNED); | |
cdfbff78 BG |
397 | sel_input_logic_inverted = true; |
398 | } | |
399 | ||
400 | /* input selection */ | |
ca279601 | 401 | tvout_vip_set_sel_input(tvout, TVO_VIP_HDMI, main_path, |
cdfbff78 BG |
402 | sel_input_logic_inverted, STI_TVOUT_VIDEO_OUT_RGB); |
403 | } | |
404 | ||
405 | /** | |
406 | * Start HDF VIP and HD DAC | |
407 | * | |
408 | * @tvout: pointer on tvout structure | |
409 | * @main_path: true if main path has to be used in the vip configuration | |
410 | * else aux path is used. | |
411 | */ | |
412 | static void tvout_hda_start(struct sti_tvout *tvout, bool main_path) | |
413 | { | |
414 | struct device_node *node = tvout->dev->of_node; | |
415 | bool sel_input_logic_inverted = false; | |
ca279601 BG |
416 | u32 tvo_in_vid_format; |
417 | int val; | |
cdfbff78 BG |
418 | |
419 | dev_dbg(tvout->dev, "%s\n", __func__); | |
420 | ||
ca279601 | 421 | if (main_path) { |
503290ce VA |
422 | DRM_DEBUG_DRIVER("main vip for HDF\n"); |
423 | /* Select the input sync for HD analog and HD DCS */ | |
424 | val = TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_HDDCS; | |
425 | val = val << TVO_SYNC_HD_DCS_SHIFT; | |
426 | val |= TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_HDF; | |
ca279601 BG |
427 | tvout_write(tvout, val, TVO_HD_SYNC_SEL); |
428 | tvo_in_vid_format = TVO_MAIN_IN_VID_FORMAT; | |
429 | } else { | |
503290ce VA |
430 | DRM_DEBUG_DRIVER("aux vip for HDF\n"); |
431 | /* Select the input sync for HD analog and HD DCS */ | |
432 | val = TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_HDDCS; | |
433 | val = val << TVO_SYNC_HD_DCS_SHIFT; | |
434 | val |= TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_HDF; | |
ca279601 BG |
435 | tvout_write(tvout, val, TVO_HD_SYNC_SEL); |
436 | tvo_in_vid_format = TVO_AUX_IN_VID_FORMAT; | |
cdfbff78 BG |
437 | } |
438 | ||
cdfbff78 | 439 | /* set color channel order */ |
ca279601 | 440 | tvout_vip_set_color_order(tvout, TVO_VIP_HDF, |
cdfbff78 BG |
441 | TVO_VIP_REORDER_CR_R_SEL, |
442 | TVO_VIP_REORDER_Y_G_SEL, | |
443 | TVO_VIP_REORDER_CB_B_SEL); | |
444 | ||
ca279601 BG |
445 | /* set clipping mode (EAV/SAV clipping) */ |
446 | tvout_vip_set_clip_mode(tvout, TVO_VIP_HDF, TVO_VIP_CLIP_EAV_SAV); | |
cdfbff78 BG |
447 | |
448 | /* set round mode (rounded to 10-bit per component) */ | |
ca279601 | 449 | tvout_vip_set_rnd(tvout, TVO_VIP_HDF, TVO_VIP_RND_10BIT_ROUNDED); |
cdfbff78 BG |
450 | |
451 | if (of_device_is_compatible(node, "st,stih407-tvout")) { | |
452 | /* set input video format */ | |
ca279601 BG |
453 | tvout_vip_set_in_vid_fmt(tvout, |
454 | tvo_in_vid_format, TVO_IN_FMT_SIGNED); | |
cdfbff78 BG |
455 | sel_input_logic_inverted = true; |
456 | } | |
457 | ||
458 | /* Input selection */ | |
ca279601 | 459 | tvout_vip_set_sel_input(tvout, TVO_VIP_HDF, main_path, |
cdfbff78 BG |
460 | sel_input_logic_inverted, |
461 | STI_TVOUT_VIDEO_OUT_YUV); | |
462 | ||
cdfbff78 BG |
463 | /* power up HD DAC */ |
464 | tvout_write(tvout, 0, TVO_HD_DAC_CFG_OFF); | |
465 | } | |
466 | ||
467 | static void sti_tvout_encoder_dpms(struct drm_encoder *encoder, int mode) | |
468 | { | |
469 | } | |
470 | ||
cdfbff78 BG |
471 | static void sti_tvout_encoder_mode_set(struct drm_encoder *encoder, |
472 | struct drm_display_mode *mode, | |
473 | struct drm_display_mode *adjusted_mode) | |
474 | { | |
475 | } | |
476 | ||
cdfbff78 BG |
477 | static void sti_tvout_encoder_destroy(struct drm_encoder *encoder) |
478 | { | |
479 | struct sti_tvout_encoder *sti_encoder = to_sti_tvout_encoder(encoder); | |
480 | ||
481 | drm_encoder_cleanup(encoder); | |
482 | kfree(sti_encoder); | |
483 | } | |
484 | ||
485 | static const struct drm_encoder_funcs sti_tvout_encoder_funcs = { | |
486 | .destroy = sti_tvout_encoder_destroy, | |
487 | }; | |
488 | ||
05a142c2 | 489 | static void sti_dvo_encoder_enable(struct drm_encoder *encoder) |
f32c4c50 BG |
490 | { |
491 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
492 | ||
05a142c2 BH |
493 | tvout_preformatter_set_matrix(tvout, &encoder->crtc->mode); |
494 | ||
9e1f05b2 | 495 | tvout_dvo_start(tvout, sti_crtc_is_main(encoder->crtc)); |
f32c4c50 BG |
496 | } |
497 | ||
498 | static void sti_dvo_encoder_disable(struct drm_encoder *encoder) | |
499 | { | |
500 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
501 | ||
502 | /* Reset VIP register */ | |
503 | tvout_write(tvout, 0x0, TVO_VIP_DVO); | |
504 | } | |
505 | ||
506 | static const struct drm_encoder_helper_funcs sti_dvo_encoder_helper_funcs = { | |
507 | .dpms = sti_tvout_encoder_dpms, | |
f32c4c50 | 508 | .mode_set = sti_tvout_encoder_mode_set, |
05a142c2 | 509 | .enable = sti_dvo_encoder_enable, |
f32c4c50 BG |
510 | .disable = sti_dvo_encoder_disable, |
511 | }; | |
512 | ||
513 | static struct drm_encoder * | |
514 | sti_tvout_create_dvo_encoder(struct drm_device *dev, | |
515 | struct sti_tvout *tvout) | |
516 | { | |
517 | struct sti_tvout_encoder *encoder; | |
518 | struct drm_encoder *drm_encoder; | |
519 | ||
520 | encoder = devm_kzalloc(tvout->dev, sizeof(*encoder), GFP_KERNEL); | |
521 | if (!encoder) | |
522 | return NULL; | |
523 | ||
524 | encoder->tvout = tvout; | |
525 | ||
526 | drm_encoder = (struct drm_encoder *)encoder; | |
527 | ||
528 | drm_encoder->possible_crtcs = ENCODER_CRTC_MASK; | |
529 | drm_encoder->possible_clones = 1 << 0; | |
530 | ||
531 | drm_encoder_init(dev, drm_encoder, | |
13a3d91f VS |
532 | &sti_tvout_encoder_funcs, DRM_MODE_ENCODER_LVDS, |
533 | NULL); | |
f32c4c50 BG |
534 | |
535 | drm_encoder_helper_add(drm_encoder, &sti_dvo_encoder_helper_funcs); | |
536 | ||
537 | return drm_encoder; | |
538 | } | |
539 | ||
05a142c2 | 540 | static void sti_hda_encoder_enable(struct drm_encoder *encoder) |
cdfbff78 BG |
541 | { |
542 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
543 | ||
05a142c2 BH |
544 | tvout_preformatter_set_matrix(tvout, &encoder->crtc->mode); |
545 | ||
9e1f05b2 | 546 | tvout_hda_start(tvout, sti_crtc_is_main(encoder->crtc)); |
cdfbff78 BG |
547 | } |
548 | ||
549 | static void sti_hda_encoder_disable(struct drm_encoder *encoder) | |
550 | { | |
551 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
552 | ||
553 | /* reset VIP register */ | |
554 | tvout_write(tvout, 0x0, TVO_VIP_HDF); | |
555 | ||
556 | /* power down HD DAC */ | |
557 | tvout_write(tvout, 1, TVO_HD_DAC_CFG_OFF); | |
558 | } | |
559 | ||
560 | static const struct drm_encoder_helper_funcs sti_hda_encoder_helper_funcs = { | |
561 | .dpms = sti_tvout_encoder_dpms, | |
cdfbff78 | 562 | .mode_set = sti_tvout_encoder_mode_set, |
05a142c2 | 563 | .commit = sti_hda_encoder_enable, |
cdfbff78 BG |
564 | .disable = sti_hda_encoder_disable, |
565 | }; | |
566 | ||
567 | static struct drm_encoder *sti_tvout_create_hda_encoder(struct drm_device *dev, | |
568 | struct sti_tvout *tvout) | |
569 | { | |
570 | struct sti_tvout_encoder *encoder; | |
571 | struct drm_encoder *drm_encoder; | |
572 | ||
573 | encoder = devm_kzalloc(tvout->dev, sizeof(*encoder), GFP_KERNEL); | |
574 | if (!encoder) | |
575 | return NULL; | |
576 | ||
577 | encoder->tvout = tvout; | |
578 | ||
579 | drm_encoder = (struct drm_encoder *) encoder; | |
580 | ||
5e03abc5 | 581 | drm_encoder->possible_crtcs = ENCODER_CRTC_MASK; |
cdfbff78 BG |
582 | drm_encoder->possible_clones = 1 << 0; |
583 | ||
584 | drm_encoder_init(dev, drm_encoder, | |
13a3d91f | 585 | &sti_tvout_encoder_funcs, DRM_MODE_ENCODER_DAC, NULL); |
cdfbff78 BG |
586 | |
587 | drm_encoder_helper_add(drm_encoder, &sti_hda_encoder_helper_funcs); | |
588 | ||
589 | return drm_encoder; | |
590 | } | |
591 | ||
05a142c2 | 592 | static void sti_hdmi_encoder_enable(struct drm_encoder *encoder) |
cdfbff78 BG |
593 | { |
594 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
595 | ||
05a142c2 BH |
596 | tvout_preformatter_set_matrix(tvout, &encoder->crtc->mode); |
597 | ||
9e1f05b2 | 598 | tvout_hdmi_start(tvout, sti_crtc_is_main(encoder->crtc)); |
cdfbff78 BG |
599 | } |
600 | ||
601 | static void sti_hdmi_encoder_disable(struct drm_encoder *encoder) | |
602 | { | |
603 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
604 | ||
605 | /* reset VIP register */ | |
606 | tvout_write(tvout, 0x0, TVO_VIP_HDMI); | |
607 | } | |
608 | ||
609 | static const struct drm_encoder_helper_funcs sti_hdmi_encoder_helper_funcs = { | |
610 | .dpms = sti_tvout_encoder_dpms, | |
cdfbff78 | 611 | .mode_set = sti_tvout_encoder_mode_set, |
05a142c2 | 612 | .commit = sti_hdmi_encoder_enable, |
cdfbff78 BG |
613 | .disable = sti_hdmi_encoder_disable, |
614 | }; | |
615 | ||
616 | static struct drm_encoder *sti_tvout_create_hdmi_encoder(struct drm_device *dev, | |
617 | struct sti_tvout *tvout) | |
618 | { | |
619 | struct sti_tvout_encoder *encoder; | |
620 | struct drm_encoder *drm_encoder; | |
621 | ||
622 | encoder = devm_kzalloc(tvout->dev, sizeof(*encoder), GFP_KERNEL); | |
623 | if (!encoder) | |
624 | return NULL; | |
625 | ||
626 | encoder->tvout = tvout; | |
627 | ||
628 | drm_encoder = (struct drm_encoder *) encoder; | |
629 | ||
5e03abc5 | 630 | drm_encoder->possible_crtcs = ENCODER_CRTC_MASK; |
cdfbff78 BG |
631 | drm_encoder->possible_clones = 1 << 1; |
632 | ||
633 | drm_encoder_init(dev, drm_encoder, | |
13a3d91f | 634 | &sti_tvout_encoder_funcs, DRM_MODE_ENCODER_TMDS, NULL); |
cdfbff78 BG |
635 | |
636 | drm_encoder_helper_add(drm_encoder, &sti_hdmi_encoder_helper_funcs); | |
637 | ||
638 | return drm_encoder; | |
639 | } | |
640 | ||
641 | static void sti_tvout_create_encoders(struct drm_device *dev, | |
642 | struct sti_tvout *tvout) | |
643 | { | |
644 | tvout->hdmi = sti_tvout_create_hdmi_encoder(dev, tvout); | |
645 | tvout->hda = sti_tvout_create_hda_encoder(dev, tvout); | |
f32c4c50 | 646 | tvout->dvo = sti_tvout_create_dvo_encoder(dev, tvout); |
cdfbff78 BG |
647 | } |
648 | ||
649 | static void sti_tvout_destroy_encoders(struct sti_tvout *tvout) | |
650 | { | |
651 | if (tvout->hdmi) | |
652 | drm_encoder_cleanup(tvout->hdmi); | |
653 | tvout->hdmi = NULL; | |
654 | ||
655 | if (tvout->hda) | |
656 | drm_encoder_cleanup(tvout->hda); | |
657 | tvout->hda = NULL; | |
658 | } | |
659 | ||
660 | static int sti_tvout_bind(struct device *dev, struct device *master, void *data) | |
661 | { | |
662 | struct sti_tvout *tvout = dev_get_drvdata(dev); | |
663 | struct drm_device *drm_dev = data; | |
cdfbff78 BG |
664 | |
665 | tvout->drm_dev = drm_dev; | |
666 | ||
cdfbff78 BG |
667 | sti_tvout_create_encoders(drm_dev, tvout); |
668 | ||
53bdcf5f | 669 | return 0; |
cdfbff78 BG |
670 | } |
671 | ||
672 | static void sti_tvout_unbind(struct device *dev, struct device *master, | |
673 | void *data) | |
674 | { | |
53bdcf5f BG |
675 | struct sti_tvout *tvout = dev_get_drvdata(dev); |
676 | ||
677 | sti_tvout_destroy_encoders(tvout); | |
cdfbff78 BG |
678 | } |
679 | ||
680 | static const struct component_ops sti_tvout_ops = { | |
681 | .bind = sti_tvout_bind, | |
682 | .unbind = sti_tvout_unbind, | |
683 | }; | |
684 | ||
cdfbff78 BG |
685 | static int sti_tvout_probe(struct platform_device *pdev) |
686 | { | |
687 | struct device *dev = &pdev->dev; | |
688 | struct device_node *node = dev->of_node; | |
689 | struct sti_tvout *tvout; | |
690 | struct resource *res; | |
cdfbff78 BG |
691 | |
692 | DRM_INFO("%s\n", __func__); | |
693 | ||
694 | if (!node) | |
695 | return -ENODEV; | |
696 | ||
697 | tvout = devm_kzalloc(dev, sizeof(*tvout), GFP_KERNEL); | |
698 | if (!tvout) | |
699 | return -ENOMEM; | |
700 | ||
701 | tvout->dev = dev; | |
702 | ||
703 | /* get Memory ressources */ | |
704 | res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "tvout-reg"); | |
705 | if (!res) { | |
706 | DRM_ERROR("Invalid glue resource\n"); | |
707 | return -ENOMEM; | |
708 | } | |
709 | tvout->regs = devm_ioremap_nocache(dev, res->start, resource_size(res)); | |
31f32a21 WY |
710 | if (!tvout->regs) |
711 | return -ENOMEM; | |
cdfbff78 BG |
712 | |
713 | /* get reset resources */ | |
714 | tvout->reset = devm_reset_control_get(dev, "tvout"); | |
715 | /* take tvout out of reset */ | |
716 | if (!IS_ERR(tvout->reset)) | |
717 | reset_control_deassert(tvout->reset); | |
718 | ||
719 | platform_set_drvdata(pdev, tvout); | |
720 | ||
cdfbff78 BG |
721 | return component_add(dev, &sti_tvout_ops); |
722 | } | |
723 | ||
724 | static int sti_tvout_remove(struct platform_device *pdev) | |
725 | { | |
cdfbff78 BG |
726 | component_del(&pdev->dev, &sti_tvout_ops); |
727 | return 0; | |
728 | } | |
729 | ||
8e932cf0 | 730 | static const struct of_device_id tvout_of_match[] = { |
cdfbff78 BG |
731 | { .compatible = "st,stih416-tvout", }, |
732 | { .compatible = "st,stih407-tvout", }, | |
733 | { /* end node */ } | |
734 | }; | |
735 | MODULE_DEVICE_TABLE(of, tvout_of_match); | |
736 | ||
737 | struct platform_driver sti_tvout_driver = { | |
738 | .driver = { | |
739 | .name = "sti-tvout", | |
740 | .owner = THIS_MODULE, | |
741 | .of_match_table = tvout_of_match, | |
742 | }, | |
743 | .probe = sti_tvout_probe, | |
744 | .remove = sti_tvout_remove, | |
745 | }; | |
746 | ||
cdfbff78 BG |
747 | MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>"); |
748 | MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver"); | |
749 | MODULE_LICENSE("GPL"); |