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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> | |
0f3e1561 | 15 | #include <linux/seq_file.h> |
cdfbff78 BG |
16 | |
17 | #include <drm/drmP.h> | |
18 | #include <drm/drm_crtc_helper.h> | |
19 | ||
9e1f05b2 | 20 | #include "sti_crtc.h" |
503290ce | 21 | #include "sti_vtg.h" |
5e03abc5 | 22 | |
cdfbff78 BG |
23 | /* glue registers */ |
24 | #define TVO_CSC_MAIN_M0 0x000 | |
25 | #define TVO_CSC_MAIN_M1 0x004 | |
26 | #define TVO_CSC_MAIN_M2 0x008 | |
27 | #define TVO_CSC_MAIN_M3 0x00c | |
28 | #define TVO_CSC_MAIN_M4 0x010 | |
29 | #define TVO_CSC_MAIN_M5 0x014 | |
30 | #define TVO_CSC_MAIN_M6 0x018 | |
31 | #define TVO_CSC_MAIN_M7 0x01c | |
32 | #define TVO_MAIN_IN_VID_FORMAT 0x030 | |
33 | #define TVO_CSC_AUX_M0 0x100 | |
34 | #define TVO_CSC_AUX_M1 0x104 | |
35 | #define TVO_CSC_AUX_M2 0x108 | |
36 | #define TVO_CSC_AUX_M3 0x10c | |
37 | #define TVO_CSC_AUX_M4 0x110 | |
38 | #define TVO_CSC_AUX_M5 0x114 | |
39 | #define TVO_CSC_AUX_M6 0x118 | |
40 | #define TVO_CSC_AUX_M7 0x11c | |
41 | #define TVO_AUX_IN_VID_FORMAT 0x130 | |
42 | #define TVO_VIP_HDF 0x400 | |
43 | #define TVO_HD_SYNC_SEL 0x418 | |
44 | #define TVO_HD_DAC_CFG_OFF 0x420 | |
45 | #define TVO_VIP_HDMI 0x500 | |
46 | #define TVO_HDMI_FORCE_COLOR_0 0x504 | |
47 | #define TVO_HDMI_FORCE_COLOR_1 0x508 | |
48 | #define TVO_HDMI_CLIP_VALUE_B_CB 0x50c | |
49 | #define TVO_HDMI_CLIP_VALUE_Y_G 0x510 | |
50 | #define TVO_HDMI_CLIP_VALUE_R_CR 0x514 | |
51 | #define TVO_HDMI_SYNC_SEL 0x518 | |
52 | #define TVO_HDMI_DFV_OBS 0x540 | |
f32c4c50 BG |
53 | #define TVO_VIP_DVO 0x600 |
54 | #define TVO_DVO_SYNC_SEL 0x618 | |
55 | #define TVO_DVO_CONFIG 0x620 | |
cdfbff78 BG |
56 | |
57 | #define TVO_IN_FMT_SIGNED BIT(0) | |
58 | #define TVO_SYNC_EXT BIT(4) | |
59 | ||
60 | #define TVO_VIP_REORDER_R_SHIFT 24 | |
61 | #define TVO_VIP_REORDER_G_SHIFT 20 | |
62 | #define TVO_VIP_REORDER_B_SHIFT 16 | |
63 | #define TVO_VIP_REORDER_MASK 0x3 | |
64 | #define TVO_VIP_REORDER_Y_G_SEL 0 | |
65 | #define TVO_VIP_REORDER_CB_B_SEL 1 | |
66 | #define TVO_VIP_REORDER_CR_R_SEL 2 | |
67 | ||
68 | #define TVO_VIP_CLIP_SHIFT 8 | |
69 | #define TVO_VIP_CLIP_MASK 0x7 | |
70 | #define TVO_VIP_CLIP_DISABLED 0 | |
71 | #define TVO_VIP_CLIP_EAV_SAV 1 | |
72 | #define TVO_VIP_CLIP_LIMITED_RANGE_RGB_Y 2 | |
73 | #define TVO_VIP_CLIP_LIMITED_RANGE_CB_CR 3 | |
74 | #define TVO_VIP_CLIP_PROG_RANGE 4 | |
75 | ||
76 | #define TVO_VIP_RND_SHIFT 4 | |
77 | #define TVO_VIP_RND_MASK 0x3 | |
78 | #define TVO_VIP_RND_8BIT_ROUNDED 0 | |
79 | #define TVO_VIP_RND_10BIT_ROUNDED 1 | |
80 | #define TVO_VIP_RND_12BIT_ROUNDED 2 | |
81 | ||
82 | #define TVO_VIP_SEL_INPUT_MASK 0xf | |
83 | #define TVO_VIP_SEL_INPUT_MAIN 0x0 | |
84 | #define TVO_VIP_SEL_INPUT_AUX 0x8 | |
85 | #define TVO_VIP_SEL_INPUT_FORCE_COLOR 0xf | |
86 | #define TVO_VIP_SEL_INPUT_BYPASS_MASK 0x1 | |
87 | #define TVO_VIP_SEL_INPUT_BYPASSED 1 | |
88 | ||
89 | #define TVO_SYNC_MAIN_VTG_SET_REF 0x00 | |
cdfbff78 | 90 | #define TVO_SYNC_AUX_VTG_SET_REF 0x10 |
cdfbff78 BG |
91 | |
92 | #define TVO_SYNC_HD_DCS_SHIFT 8 | |
93 | ||
f32c4c50 BG |
94 | #define TVO_SYNC_DVO_PAD_HSYNC_SHIFT 8 |
95 | #define TVO_SYNC_DVO_PAD_VSYNC_SHIFT 16 | |
96 | ||
5e03abc5 | 97 | #define ENCODER_CRTC_MASK (BIT(0) | BIT(1)) |
cdfbff78 | 98 | |
05a142c2 BH |
99 | #define TVO_MIN_HD_HEIGHT 720 |
100 | ||
cdfbff78 BG |
101 | /* enum listing the supported output data format */ |
102 | enum sti_tvout_video_out_type { | |
103 | STI_TVOUT_VIDEO_OUT_RGB, | |
104 | STI_TVOUT_VIDEO_OUT_YUV, | |
105 | }; | |
106 | ||
107 | struct sti_tvout { | |
108 | struct device *dev; | |
109 | struct drm_device *drm_dev; | |
110 | void __iomem *regs; | |
111 | struct reset_control *reset; | |
112 | struct drm_encoder *hdmi; | |
113 | struct drm_encoder *hda; | |
f32c4c50 | 114 | struct drm_encoder *dvo; |
cdfbff78 BG |
115 | }; |
116 | ||
117 | struct sti_tvout_encoder { | |
118 | struct drm_encoder encoder; | |
119 | struct sti_tvout *tvout; | |
120 | }; | |
121 | ||
122 | #define to_sti_tvout_encoder(x) \ | |
123 | container_of(x, struct sti_tvout_encoder, encoder) | |
124 | ||
125 | #define to_sti_tvout(x) to_sti_tvout_encoder(x)->tvout | |
126 | ||
127 | /* preformatter conversion matrix */ | |
128 | static const u32 rgb_to_ycbcr_601[8] = { | |
129 | 0xF927082E, 0x04C9FEAB, 0x01D30964, 0xFA95FD3D, | |
130 | 0x0000082E, 0x00002000, 0x00002000, 0x00000000 | |
131 | }; | |
132 | ||
133 | /* 709 RGB to YCbCr */ | |
134 | static const u32 rgb_to_ycbcr_709[8] = { | |
135 | 0xF891082F, 0x0367FF40, 0x01280B71, 0xF9B1FE20, | |
136 | 0x0000082F, 0x00002000, 0x00002000, 0x00000000 | |
137 | }; | |
138 | ||
139 | static u32 tvout_read(struct sti_tvout *tvout, int offset) | |
140 | { | |
141 | return readl(tvout->regs + offset); | |
142 | } | |
143 | ||
144 | static void tvout_write(struct sti_tvout *tvout, u32 val, int offset) | |
145 | { | |
146 | writel(val, tvout->regs + offset); | |
147 | } | |
148 | ||
149 | /** | |
150 | * Set the clipping mode of a VIP | |
151 | * | |
152 | * @tvout: tvout structure | |
ca279601 | 153 | * @reg: register to set |
cdfbff78 BG |
154 | * @cr_r: |
155 | * @y_g: | |
156 | * @cb_b: | |
157 | */ | |
ca279601 | 158 | static void tvout_vip_set_color_order(struct sti_tvout *tvout, int reg, |
cdfbff78 BG |
159 | u32 cr_r, u32 y_g, u32 cb_b) |
160 | { | |
ca279601 | 161 | u32 val = tvout_read(tvout, reg); |
cdfbff78 BG |
162 | |
163 | val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_R_SHIFT); | |
164 | val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_G_SHIFT); | |
165 | val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_B_SHIFT); | |
166 | val |= cr_r << TVO_VIP_REORDER_R_SHIFT; | |
167 | val |= y_g << TVO_VIP_REORDER_G_SHIFT; | |
168 | val |= cb_b << TVO_VIP_REORDER_B_SHIFT; | |
169 | ||
ca279601 | 170 | tvout_write(tvout, val, reg); |
cdfbff78 BG |
171 | } |
172 | ||
173 | /** | |
174 | * Set the clipping mode of a VIP | |
175 | * | |
176 | * @tvout: tvout structure | |
ca279601 | 177 | * @reg: register to set |
cdfbff78 BG |
178 | * @range: clipping range |
179 | */ | |
ca279601 | 180 | static void tvout_vip_set_clip_mode(struct sti_tvout *tvout, int reg, u32 range) |
cdfbff78 | 181 | { |
ca279601 | 182 | u32 val = tvout_read(tvout, reg); |
cdfbff78 BG |
183 | |
184 | val &= ~(TVO_VIP_CLIP_MASK << TVO_VIP_CLIP_SHIFT); | |
185 | val |= range << TVO_VIP_CLIP_SHIFT; | |
ca279601 | 186 | tvout_write(tvout, val, reg); |
cdfbff78 BG |
187 | } |
188 | ||
189 | /** | |
190 | * Set the rounded value of a VIP | |
191 | * | |
192 | * @tvout: tvout structure | |
ca279601 | 193 | * @reg: register to set |
cdfbff78 BG |
194 | * @rnd: rounded val per component |
195 | */ | |
ca279601 | 196 | static void tvout_vip_set_rnd(struct sti_tvout *tvout, int reg, u32 rnd) |
cdfbff78 | 197 | { |
ca279601 | 198 | u32 val = tvout_read(tvout, reg); |
cdfbff78 BG |
199 | |
200 | val &= ~(TVO_VIP_RND_MASK << TVO_VIP_RND_SHIFT); | |
201 | val |= rnd << TVO_VIP_RND_SHIFT; | |
ca279601 | 202 | tvout_write(tvout, val, reg); |
cdfbff78 BG |
203 | } |
204 | ||
205 | /** | |
206 | * Select the VIP input | |
207 | * | |
208 | * @tvout: tvout structure | |
ca279601 BG |
209 | * @reg: register to set |
210 | * @main_path: main or auxiliary path | |
211 | * @sel_input_logic_inverted: need to invert the logic | |
cdfbff78 BG |
212 | * @sel_input: selected_input (main/aux + conv) |
213 | */ | |
214 | static void tvout_vip_set_sel_input(struct sti_tvout *tvout, | |
ca279601 | 215 | int reg, |
cdfbff78 BG |
216 | bool main_path, |
217 | bool sel_input_logic_inverted, | |
218 | enum sti_tvout_video_out_type video_out) | |
219 | { | |
220 | u32 sel_input; | |
ca279601 | 221 | u32 val = tvout_read(tvout, reg); |
cdfbff78 BG |
222 | |
223 | if (main_path) | |
224 | sel_input = TVO_VIP_SEL_INPUT_MAIN; | |
225 | else | |
226 | sel_input = TVO_VIP_SEL_INPUT_AUX; | |
227 | ||
228 | switch (video_out) { | |
229 | case STI_TVOUT_VIDEO_OUT_RGB: | |
230 | sel_input |= TVO_VIP_SEL_INPUT_BYPASSED; | |
231 | break; | |
232 | case STI_TVOUT_VIDEO_OUT_YUV: | |
233 | sel_input &= ~TVO_VIP_SEL_INPUT_BYPASSED; | |
234 | break; | |
235 | } | |
236 | ||
237 | /* on stih407 chip the sel_input bypass mode logic is inverted */ | |
238 | if (sel_input_logic_inverted) | |
239 | sel_input = sel_input ^ TVO_VIP_SEL_INPUT_BYPASS_MASK; | |
240 | ||
241 | val &= ~TVO_VIP_SEL_INPUT_MASK; | |
242 | val |= sel_input; | |
ca279601 | 243 | tvout_write(tvout, val, reg); |
cdfbff78 BG |
244 | } |
245 | ||
246 | /** | |
247 | * Select the input video signed or unsigned | |
248 | * | |
249 | * @tvout: tvout structure | |
ca279601 | 250 | * @reg: register to set |
cdfbff78 BG |
251 | * @in_vid_signed: used video input format |
252 | */ | |
ca279601 BG |
253 | static void tvout_vip_set_in_vid_fmt(struct sti_tvout *tvout, |
254 | int reg, u32 in_vid_fmt) | |
cdfbff78 | 255 | { |
ca279601 | 256 | u32 val = tvout_read(tvout, reg); |
cdfbff78 BG |
257 | |
258 | val &= ~TVO_IN_FMT_SIGNED; | |
259 | val |= in_vid_fmt; | |
ca279601 | 260 | tvout_write(tvout, val, reg); |
cdfbff78 BG |
261 | } |
262 | ||
05a142c2 BH |
263 | /** |
264 | * Set preformatter matrix | |
265 | * | |
266 | * @tvout: tvout structure | |
267 | * @mode: display mode structure | |
268 | */ | |
269 | static void tvout_preformatter_set_matrix(struct sti_tvout *tvout, | |
270 | struct drm_display_mode *mode) | |
271 | { | |
272 | unsigned int i; | |
273 | const u32 *pf_matrix; | |
274 | ||
275 | if (mode->vdisplay >= TVO_MIN_HD_HEIGHT) | |
276 | pf_matrix = rgb_to_ycbcr_709; | |
277 | else | |
278 | pf_matrix = rgb_to_ycbcr_601; | |
279 | ||
280 | for (i = 0; i < 8; i++) { | |
281 | tvout_write(tvout, *(pf_matrix + i), | |
282 | TVO_CSC_MAIN_M0 + (i * 4)); | |
283 | tvout_write(tvout, *(pf_matrix + i), | |
284 | TVO_CSC_AUX_M0 + (i * 4)); | |
285 | } | |
286 | } | |
287 | ||
f32c4c50 BG |
288 | /** |
289 | * Start VIP block for DVO output | |
290 | * | |
291 | * @tvout: pointer on tvout structure | |
292 | * @main_path: true if main path has to be used in the vip configuration | |
293 | * else aux path is used. | |
294 | */ | |
295 | static void tvout_dvo_start(struct sti_tvout *tvout, bool main_path) | |
296 | { | |
297 | struct device_node *node = tvout->dev->of_node; | |
298 | bool sel_input_logic_inverted = false; | |
299 | u32 tvo_in_vid_format; | |
503290ce | 300 | int val, tmp; |
f32c4c50 BG |
301 | |
302 | dev_dbg(tvout->dev, "%s\n", __func__); | |
303 | ||
304 | if (main_path) { | |
305 | DRM_DEBUG_DRIVER("main vip for DVO\n"); | |
503290ce VA |
306 | /* Select the input sync for dvo */ |
307 | tmp = TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_DVO; | |
308 | val = tmp << TVO_SYNC_DVO_PAD_VSYNC_SHIFT; | |
309 | val |= tmp << TVO_SYNC_DVO_PAD_HSYNC_SHIFT; | |
310 | val |= tmp; | |
f32c4c50 BG |
311 | tvout_write(tvout, val, TVO_DVO_SYNC_SEL); |
312 | tvo_in_vid_format = TVO_MAIN_IN_VID_FORMAT; | |
313 | } else { | |
314 | DRM_DEBUG_DRIVER("aux vip for DVO\n"); | |
503290ce VA |
315 | /* Select the input sync for dvo */ |
316 | tmp = TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_DVO; | |
317 | val = tmp << TVO_SYNC_DVO_PAD_VSYNC_SHIFT; | |
318 | val |= tmp << TVO_SYNC_DVO_PAD_HSYNC_SHIFT; | |
319 | val |= tmp; | |
f32c4c50 BG |
320 | tvout_write(tvout, val, TVO_DVO_SYNC_SEL); |
321 | tvo_in_vid_format = TVO_AUX_IN_VID_FORMAT; | |
322 | } | |
323 | ||
324 | /* Set color channel order */ | |
325 | tvout_vip_set_color_order(tvout, TVO_VIP_DVO, | |
326 | TVO_VIP_REORDER_CR_R_SEL, | |
327 | TVO_VIP_REORDER_Y_G_SEL, | |
328 | TVO_VIP_REORDER_CB_B_SEL); | |
329 | ||
1834b84d VA |
330 | /* Set clipping mode */ |
331 | tvout_vip_set_clip_mode(tvout, TVO_VIP_DVO, TVO_VIP_CLIP_DISABLED); | |
f32c4c50 BG |
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 | ||
1834b84d VA |
386 | /* set clipping mode */ |
387 | tvout_vip_set_clip_mode(tvout, TVO_VIP_HDMI, TVO_VIP_CLIP_DISABLED); | |
cdfbff78 BG |
388 | |
389 | /* set round mode (rounded to 8-bit per component) */ | |
ca279601 | 390 | tvout_vip_set_rnd(tvout, TVO_VIP_HDMI, TVO_VIP_RND_8BIT_ROUNDED); |
cdfbff78 BG |
391 | |
392 | if (of_device_is_compatible(node, "st,stih407-tvout")) { | |
393 | /* set input video format */ | |
ca279601 BG |
394 | tvout_vip_set_in_vid_fmt(tvout, tvo_in_vid_format, |
395 | TVO_IN_FMT_SIGNED); | |
cdfbff78 BG |
396 | sel_input_logic_inverted = true; |
397 | } | |
398 | ||
399 | /* input selection */ | |
ca279601 | 400 | tvout_vip_set_sel_input(tvout, TVO_VIP_HDMI, main_path, |
cdfbff78 BG |
401 | sel_input_logic_inverted, STI_TVOUT_VIDEO_OUT_RGB); |
402 | } | |
403 | ||
404 | /** | |
405 | * Start HDF VIP and HD DAC | |
406 | * | |
407 | * @tvout: pointer on tvout structure | |
408 | * @main_path: true if main path has to be used in the vip configuration | |
409 | * else aux path is used. | |
410 | */ | |
411 | static void tvout_hda_start(struct sti_tvout *tvout, bool main_path) | |
412 | { | |
413 | struct device_node *node = tvout->dev->of_node; | |
414 | bool sel_input_logic_inverted = false; | |
ca279601 BG |
415 | u32 tvo_in_vid_format; |
416 | int val; | |
cdfbff78 BG |
417 | |
418 | dev_dbg(tvout->dev, "%s\n", __func__); | |
419 | ||
ca279601 | 420 | if (main_path) { |
503290ce VA |
421 | DRM_DEBUG_DRIVER("main vip for HDF\n"); |
422 | /* Select the input sync for HD analog and HD DCS */ | |
423 | val = TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_HDDCS; | |
424 | val = val << TVO_SYNC_HD_DCS_SHIFT; | |
425 | val |= TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_HDF; | |
ca279601 BG |
426 | tvout_write(tvout, val, TVO_HD_SYNC_SEL); |
427 | tvo_in_vid_format = TVO_MAIN_IN_VID_FORMAT; | |
428 | } else { | |
503290ce VA |
429 | DRM_DEBUG_DRIVER("aux vip for HDF\n"); |
430 | /* Select the input sync for HD analog and HD DCS */ | |
431 | val = TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_HDDCS; | |
432 | val = val << TVO_SYNC_HD_DCS_SHIFT; | |
433 | val |= TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_HDF; | |
ca279601 BG |
434 | tvout_write(tvout, val, TVO_HD_SYNC_SEL); |
435 | tvo_in_vid_format = TVO_AUX_IN_VID_FORMAT; | |
cdfbff78 BG |
436 | } |
437 | ||
cdfbff78 | 438 | /* set color channel order */ |
ca279601 | 439 | tvout_vip_set_color_order(tvout, TVO_VIP_HDF, |
cdfbff78 BG |
440 | TVO_VIP_REORDER_CR_R_SEL, |
441 | TVO_VIP_REORDER_Y_G_SEL, | |
442 | TVO_VIP_REORDER_CB_B_SEL); | |
443 | ||
1834b84d VA |
444 | /* set clipping mode */ |
445 | tvout_vip_set_clip_mode(tvout, TVO_VIP_HDF, TVO_VIP_CLIP_DISABLED); | |
cdfbff78 BG |
446 | |
447 | /* set round mode (rounded to 10-bit per component) */ | |
ca279601 | 448 | tvout_vip_set_rnd(tvout, TVO_VIP_HDF, TVO_VIP_RND_10BIT_ROUNDED); |
cdfbff78 BG |
449 | |
450 | if (of_device_is_compatible(node, "st,stih407-tvout")) { | |
451 | /* set input video format */ | |
ca279601 BG |
452 | tvout_vip_set_in_vid_fmt(tvout, |
453 | tvo_in_vid_format, TVO_IN_FMT_SIGNED); | |
cdfbff78 BG |
454 | sel_input_logic_inverted = true; |
455 | } | |
456 | ||
457 | /* Input selection */ | |
ca279601 | 458 | tvout_vip_set_sel_input(tvout, TVO_VIP_HDF, main_path, |
cdfbff78 BG |
459 | sel_input_logic_inverted, |
460 | STI_TVOUT_VIDEO_OUT_YUV); | |
461 | ||
cdfbff78 BG |
462 | /* power up HD DAC */ |
463 | tvout_write(tvout, 0, TVO_HD_DAC_CFG_OFF); | |
464 | } | |
465 | ||
b514bee7 VA |
466 | #define DBGFS_DUMP(reg) seq_printf(s, "\n %-25s 0x%08X", #reg, \ |
467 | readl(tvout->regs + reg)) | |
468 | ||
469 | static void tvout_dbg_vip(struct seq_file *s, int val) | |
470 | { | |
471 | int r, g, b, tmp, mask; | |
472 | char *const reorder[] = {"Y_G", "Cb_B", "Cr_R"}; | |
473 | char *const clipping[] = {"No", "EAV/SAV", "Limited range RGB/Y", | |
474 | "Limited range Cb/Cr", "decided by register"}; | |
475 | char *const round[] = {"8-bit", "10-bit", "12-bit"}; | |
476 | char *const input_sel[] = {"Main (color matrix enabled)", | |
477 | "Main (color matrix by-passed)", | |
478 | "", "", "", "", "", "", | |
479 | "Aux (color matrix enabled)", | |
480 | "Aux (color matrix by-passed)", | |
481 | "", "", "", "", "", "Force value"}; | |
482 | ||
483 | seq_puts(s, "\t"); | |
484 | mask = TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_R_SHIFT; | |
485 | r = (val & mask) >> TVO_VIP_REORDER_R_SHIFT; | |
486 | mask = TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_G_SHIFT; | |
487 | g = (val & mask) >> TVO_VIP_REORDER_G_SHIFT; | |
488 | mask = TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_B_SHIFT; | |
489 | b = (val & mask) >> TVO_VIP_REORDER_B_SHIFT; | |
490 | seq_printf(s, "%-24s %s->%s %s->%s %s->%s\n", "Reorder:", | |
491 | reorder[r], reorder[TVO_VIP_REORDER_CR_R_SEL], | |
492 | reorder[g], reorder[TVO_VIP_REORDER_Y_G_SEL], | |
493 | reorder[b], reorder[TVO_VIP_REORDER_CB_B_SEL]); | |
494 | seq_puts(s, "\t\t\t\t\t"); | |
495 | mask = TVO_VIP_CLIP_MASK << TVO_VIP_CLIP_SHIFT; | |
496 | tmp = (val & mask) >> TVO_VIP_CLIP_SHIFT; | |
497 | seq_printf(s, "%-24s %s\n", "Clipping:", clipping[tmp]); | |
498 | seq_puts(s, "\t\t\t\t\t"); | |
499 | mask = TVO_VIP_RND_MASK << TVO_VIP_RND_SHIFT; | |
500 | tmp = (val & mask) >> TVO_VIP_RND_SHIFT; | |
501 | seq_printf(s, "%-24s input data rounded to %s per component\n", | |
502 | "Round:", round[tmp]); | |
503 | seq_puts(s, "\t\t\t\t\t"); | |
504 | tmp = (val & TVO_VIP_SEL_INPUT_MASK); | |
505 | seq_printf(s, "%-24s %s", "Input selection:", input_sel[tmp]); | |
506 | } | |
507 | ||
508 | static void tvout_dbg_hd_dac_cfg(struct seq_file *s, int val) | |
509 | { | |
510 | seq_printf(s, "\t%-24s %s", "HD DAC:", | |
511 | val & 1 ? "disabled" : "enabled"); | |
512 | } | |
513 | ||
514 | static int tvout_dbg_show(struct seq_file *s, void *data) | |
515 | { | |
516 | struct drm_info_node *node = s->private; | |
517 | struct sti_tvout *tvout = (struct sti_tvout *)node->info_ent->data; | |
518 | struct drm_device *dev = node->minor->dev; | |
519 | struct drm_crtc *crtc; | |
520 | int ret; | |
521 | ||
522 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
523 | if (ret) | |
524 | return ret; | |
525 | ||
526 | seq_printf(s, "TVOUT: (vaddr = 0x%p)", tvout->regs); | |
527 | ||
528 | seq_puts(s, "\n\n HDMI encoder: "); | |
529 | crtc = tvout->hdmi->crtc; | |
530 | if (crtc) { | |
531 | seq_printf(s, "connected to %s path", | |
532 | sti_crtc_is_main(crtc) ? "main" : "aux"); | |
533 | DBGFS_DUMP(TVO_HDMI_SYNC_SEL); | |
534 | DBGFS_DUMP(TVO_VIP_HDMI); | |
535 | tvout_dbg_vip(s, readl(tvout->regs + TVO_VIP_HDMI)); | |
536 | } else { | |
537 | seq_puts(s, "disabled"); | |
538 | } | |
539 | ||
540 | seq_puts(s, "\n\n DVO encoder: "); | |
541 | crtc = tvout->dvo->crtc; | |
542 | if (crtc) { | |
543 | seq_printf(s, "connected to %s path", | |
544 | sti_crtc_is_main(crtc) ? "main" : "aux"); | |
545 | DBGFS_DUMP(TVO_DVO_SYNC_SEL); | |
546 | DBGFS_DUMP(TVO_DVO_CONFIG); | |
547 | DBGFS_DUMP(TVO_VIP_DVO); | |
548 | tvout_dbg_vip(s, readl(tvout->regs + TVO_VIP_DVO)); | |
549 | } else { | |
550 | seq_puts(s, "disabled"); | |
551 | } | |
552 | ||
553 | seq_puts(s, "\n\n HDA encoder: "); | |
554 | crtc = tvout->hda->crtc; | |
555 | if (crtc) { | |
556 | seq_printf(s, "connected to %s path", | |
557 | sti_crtc_is_main(crtc) ? "main" : "aux"); | |
558 | DBGFS_DUMP(TVO_HD_SYNC_SEL); | |
559 | DBGFS_DUMP(TVO_HD_DAC_CFG_OFF); | |
560 | tvout_dbg_hd_dac_cfg(s, | |
561 | readl(tvout->regs + TVO_HD_DAC_CFG_OFF)); | |
562 | DBGFS_DUMP(TVO_VIP_HDF); | |
563 | tvout_dbg_vip(s, readl(tvout->regs + TVO_VIP_HDF)); | |
564 | } else { | |
565 | seq_puts(s, "disabled"); | |
566 | } | |
567 | ||
568 | seq_puts(s, "\n\n main path configuration"); | |
569 | DBGFS_DUMP(TVO_CSC_MAIN_M0); | |
570 | DBGFS_DUMP(TVO_CSC_MAIN_M1); | |
571 | DBGFS_DUMP(TVO_CSC_MAIN_M2); | |
572 | DBGFS_DUMP(TVO_CSC_MAIN_M3); | |
573 | DBGFS_DUMP(TVO_CSC_MAIN_M4); | |
574 | DBGFS_DUMP(TVO_CSC_MAIN_M5); | |
575 | DBGFS_DUMP(TVO_CSC_MAIN_M6); | |
576 | DBGFS_DUMP(TVO_CSC_MAIN_M7); | |
577 | DBGFS_DUMP(TVO_MAIN_IN_VID_FORMAT); | |
578 | ||
579 | seq_puts(s, "\n\n auxiliary path configuration"); | |
580 | DBGFS_DUMP(TVO_CSC_AUX_M0); | |
581 | DBGFS_DUMP(TVO_CSC_AUX_M2); | |
582 | DBGFS_DUMP(TVO_CSC_AUX_M3); | |
583 | DBGFS_DUMP(TVO_CSC_AUX_M4); | |
584 | DBGFS_DUMP(TVO_CSC_AUX_M5); | |
585 | DBGFS_DUMP(TVO_CSC_AUX_M6); | |
586 | DBGFS_DUMP(TVO_CSC_AUX_M7); | |
587 | DBGFS_DUMP(TVO_AUX_IN_VID_FORMAT); | |
588 | seq_puts(s, "\n"); | |
589 | ||
590 | mutex_unlock(&dev->struct_mutex); | |
591 | return 0; | |
592 | } | |
593 | ||
594 | static struct drm_info_list tvout_debugfs_files[] = { | |
595 | { "tvout", tvout_dbg_show, 0, NULL }, | |
596 | }; | |
597 | ||
598 | static void tvout_debugfs_exit(struct sti_tvout *tvout, struct drm_minor *minor) | |
599 | { | |
600 | drm_debugfs_remove_files(tvout_debugfs_files, | |
601 | ARRAY_SIZE(tvout_debugfs_files), | |
602 | minor); | |
603 | } | |
604 | ||
605 | static int tvout_debugfs_init(struct sti_tvout *tvout, struct drm_minor *minor) | |
606 | { | |
607 | unsigned int i; | |
608 | ||
609 | for (i = 0; i < ARRAY_SIZE(tvout_debugfs_files); i++) | |
610 | tvout_debugfs_files[i].data = tvout; | |
611 | ||
612 | return drm_debugfs_create_files(tvout_debugfs_files, | |
613 | ARRAY_SIZE(tvout_debugfs_files), | |
614 | minor->debugfs_root, minor); | |
615 | } | |
616 | ||
cdfbff78 BG |
617 | static void sti_tvout_encoder_dpms(struct drm_encoder *encoder, int mode) |
618 | { | |
619 | } | |
620 | ||
cdfbff78 BG |
621 | static void sti_tvout_encoder_mode_set(struct drm_encoder *encoder, |
622 | struct drm_display_mode *mode, | |
623 | struct drm_display_mode *adjusted_mode) | |
624 | { | |
625 | } | |
626 | ||
cdfbff78 BG |
627 | static void sti_tvout_encoder_destroy(struct drm_encoder *encoder) |
628 | { | |
629 | struct sti_tvout_encoder *sti_encoder = to_sti_tvout_encoder(encoder); | |
630 | ||
631 | drm_encoder_cleanup(encoder); | |
632 | kfree(sti_encoder); | |
633 | } | |
634 | ||
635 | static const struct drm_encoder_funcs sti_tvout_encoder_funcs = { | |
636 | .destroy = sti_tvout_encoder_destroy, | |
637 | }; | |
638 | ||
05a142c2 | 639 | static void sti_dvo_encoder_enable(struct drm_encoder *encoder) |
f32c4c50 BG |
640 | { |
641 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
642 | ||
05a142c2 BH |
643 | tvout_preformatter_set_matrix(tvout, &encoder->crtc->mode); |
644 | ||
9e1f05b2 | 645 | tvout_dvo_start(tvout, sti_crtc_is_main(encoder->crtc)); |
f32c4c50 BG |
646 | } |
647 | ||
648 | static void sti_dvo_encoder_disable(struct drm_encoder *encoder) | |
649 | { | |
650 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
651 | ||
652 | /* Reset VIP register */ | |
653 | tvout_write(tvout, 0x0, TVO_VIP_DVO); | |
654 | } | |
655 | ||
656 | static const struct drm_encoder_helper_funcs sti_dvo_encoder_helper_funcs = { | |
657 | .dpms = sti_tvout_encoder_dpms, | |
f32c4c50 | 658 | .mode_set = sti_tvout_encoder_mode_set, |
05a142c2 | 659 | .enable = sti_dvo_encoder_enable, |
f32c4c50 BG |
660 | .disable = sti_dvo_encoder_disable, |
661 | }; | |
662 | ||
663 | static struct drm_encoder * | |
664 | sti_tvout_create_dvo_encoder(struct drm_device *dev, | |
665 | struct sti_tvout *tvout) | |
666 | { | |
667 | struct sti_tvout_encoder *encoder; | |
668 | struct drm_encoder *drm_encoder; | |
669 | ||
670 | encoder = devm_kzalloc(tvout->dev, sizeof(*encoder), GFP_KERNEL); | |
671 | if (!encoder) | |
672 | return NULL; | |
673 | ||
674 | encoder->tvout = tvout; | |
675 | ||
676 | drm_encoder = (struct drm_encoder *)encoder; | |
677 | ||
678 | drm_encoder->possible_crtcs = ENCODER_CRTC_MASK; | |
679 | drm_encoder->possible_clones = 1 << 0; | |
680 | ||
681 | drm_encoder_init(dev, drm_encoder, | |
13a3d91f VS |
682 | &sti_tvout_encoder_funcs, DRM_MODE_ENCODER_LVDS, |
683 | NULL); | |
f32c4c50 BG |
684 | |
685 | drm_encoder_helper_add(drm_encoder, &sti_dvo_encoder_helper_funcs); | |
686 | ||
687 | return drm_encoder; | |
688 | } | |
689 | ||
05a142c2 | 690 | static void sti_hda_encoder_enable(struct drm_encoder *encoder) |
cdfbff78 BG |
691 | { |
692 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
693 | ||
05a142c2 BH |
694 | tvout_preformatter_set_matrix(tvout, &encoder->crtc->mode); |
695 | ||
9e1f05b2 | 696 | tvout_hda_start(tvout, sti_crtc_is_main(encoder->crtc)); |
cdfbff78 BG |
697 | } |
698 | ||
699 | static void sti_hda_encoder_disable(struct drm_encoder *encoder) | |
700 | { | |
701 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
702 | ||
703 | /* reset VIP register */ | |
704 | tvout_write(tvout, 0x0, TVO_VIP_HDF); | |
705 | ||
706 | /* power down HD DAC */ | |
707 | tvout_write(tvout, 1, TVO_HD_DAC_CFG_OFF); | |
708 | } | |
709 | ||
710 | static const struct drm_encoder_helper_funcs sti_hda_encoder_helper_funcs = { | |
711 | .dpms = sti_tvout_encoder_dpms, | |
cdfbff78 | 712 | .mode_set = sti_tvout_encoder_mode_set, |
05a142c2 | 713 | .commit = sti_hda_encoder_enable, |
cdfbff78 BG |
714 | .disable = sti_hda_encoder_disable, |
715 | }; | |
716 | ||
717 | static struct drm_encoder *sti_tvout_create_hda_encoder(struct drm_device *dev, | |
718 | struct sti_tvout *tvout) | |
719 | { | |
720 | struct sti_tvout_encoder *encoder; | |
721 | struct drm_encoder *drm_encoder; | |
722 | ||
723 | encoder = devm_kzalloc(tvout->dev, sizeof(*encoder), GFP_KERNEL); | |
724 | if (!encoder) | |
725 | return NULL; | |
726 | ||
727 | encoder->tvout = tvout; | |
728 | ||
729 | drm_encoder = (struct drm_encoder *) encoder; | |
730 | ||
5e03abc5 | 731 | drm_encoder->possible_crtcs = ENCODER_CRTC_MASK; |
cdfbff78 BG |
732 | drm_encoder->possible_clones = 1 << 0; |
733 | ||
734 | drm_encoder_init(dev, drm_encoder, | |
13a3d91f | 735 | &sti_tvout_encoder_funcs, DRM_MODE_ENCODER_DAC, NULL); |
cdfbff78 BG |
736 | |
737 | drm_encoder_helper_add(drm_encoder, &sti_hda_encoder_helper_funcs); | |
738 | ||
739 | return drm_encoder; | |
740 | } | |
741 | ||
05a142c2 | 742 | static void sti_hdmi_encoder_enable(struct drm_encoder *encoder) |
cdfbff78 BG |
743 | { |
744 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
745 | ||
05a142c2 BH |
746 | tvout_preformatter_set_matrix(tvout, &encoder->crtc->mode); |
747 | ||
9e1f05b2 | 748 | tvout_hdmi_start(tvout, sti_crtc_is_main(encoder->crtc)); |
cdfbff78 BG |
749 | } |
750 | ||
751 | static void sti_hdmi_encoder_disable(struct drm_encoder *encoder) | |
752 | { | |
753 | struct sti_tvout *tvout = to_sti_tvout(encoder); | |
754 | ||
755 | /* reset VIP register */ | |
756 | tvout_write(tvout, 0x0, TVO_VIP_HDMI); | |
757 | } | |
758 | ||
759 | static const struct drm_encoder_helper_funcs sti_hdmi_encoder_helper_funcs = { | |
760 | .dpms = sti_tvout_encoder_dpms, | |
cdfbff78 | 761 | .mode_set = sti_tvout_encoder_mode_set, |
05a142c2 | 762 | .commit = sti_hdmi_encoder_enable, |
cdfbff78 BG |
763 | .disable = sti_hdmi_encoder_disable, |
764 | }; | |
765 | ||
766 | static struct drm_encoder *sti_tvout_create_hdmi_encoder(struct drm_device *dev, | |
767 | struct sti_tvout *tvout) | |
768 | { | |
769 | struct sti_tvout_encoder *encoder; | |
770 | struct drm_encoder *drm_encoder; | |
771 | ||
772 | encoder = devm_kzalloc(tvout->dev, sizeof(*encoder), GFP_KERNEL); | |
773 | if (!encoder) | |
774 | return NULL; | |
775 | ||
776 | encoder->tvout = tvout; | |
777 | ||
778 | drm_encoder = (struct drm_encoder *) encoder; | |
779 | ||
5e03abc5 | 780 | drm_encoder->possible_crtcs = ENCODER_CRTC_MASK; |
cdfbff78 BG |
781 | drm_encoder->possible_clones = 1 << 1; |
782 | ||
783 | drm_encoder_init(dev, drm_encoder, | |
13a3d91f | 784 | &sti_tvout_encoder_funcs, DRM_MODE_ENCODER_TMDS, NULL); |
cdfbff78 BG |
785 | |
786 | drm_encoder_helper_add(drm_encoder, &sti_hdmi_encoder_helper_funcs); | |
787 | ||
788 | return drm_encoder; | |
789 | } | |
790 | ||
791 | static void sti_tvout_create_encoders(struct drm_device *dev, | |
792 | struct sti_tvout *tvout) | |
793 | { | |
794 | tvout->hdmi = sti_tvout_create_hdmi_encoder(dev, tvout); | |
795 | tvout->hda = sti_tvout_create_hda_encoder(dev, tvout); | |
f32c4c50 | 796 | tvout->dvo = sti_tvout_create_dvo_encoder(dev, tvout); |
cdfbff78 BG |
797 | } |
798 | ||
799 | static void sti_tvout_destroy_encoders(struct sti_tvout *tvout) | |
800 | { | |
801 | if (tvout->hdmi) | |
802 | drm_encoder_cleanup(tvout->hdmi); | |
803 | tvout->hdmi = NULL; | |
804 | ||
805 | if (tvout->hda) | |
806 | drm_encoder_cleanup(tvout->hda); | |
807 | tvout->hda = NULL; | |
0a1dc29d VA |
808 | |
809 | if (tvout->dvo) | |
810 | drm_encoder_cleanup(tvout->dvo); | |
811 | tvout->dvo = NULL; | |
cdfbff78 BG |
812 | } |
813 | ||
814 | static int sti_tvout_bind(struct device *dev, struct device *master, void *data) | |
815 | { | |
816 | struct sti_tvout *tvout = dev_get_drvdata(dev); | |
817 | struct drm_device *drm_dev = data; | |
cdfbff78 BG |
818 | |
819 | tvout->drm_dev = drm_dev; | |
820 | ||
cdfbff78 BG |
821 | sti_tvout_create_encoders(drm_dev, tvout); |
822 | ||
b514bee7 VA |
823 | if (tvout_debugfs_init(tvout, drm_dev->primary)) |
824 | DRM_ERROR("TVOUT debugfs setup failed\n"); | |
825 | ||
53bdcf5f | 826 | return 0; |
cdfbff78 BG |
827 | } |
828 | ||
829 | static void sti_tvout_unbind(struct device *dev, struct device *master, | |
830 | void *data) | |
831 | { | |
53bdcf5f | 832 | struct sti_tvout *tvout = dev_get_drvdata(dev); |
b514bee7 | 833 | struct drm_device *drm_dev = data; |
53bdcf5f BG |
834 | |
835 | sti_tvout_destroy_encoders(tvout); | |
b514bee7 VA |
836 | |
837 | tvout_debugfs_exit(tvout, drm_dev->primary); | |
cdfbff78 BG |
838 | } |
839 | ||
840 | static const struct component_ops sti_tvout_ops = { | |
841 | .bind = sti_tvout_bind, | |
842 | .unbind = sti_tvout_unbind, | |
843 | }; | |
844 | ||
cdfbff78 BG |
845 | static int sti_tvout_probe(struct platform_device *pdev) |
846 | { | |
847 | struct device *dev = &pdev->dev; | |
848 | struct device_node *node = dev->of_node; | |
849 | struct sti_tvout *tvout; | |
850 | struct resource *res; | |
cdfbff78 BG |
851 | |
852 | DRM_INFO("%s\n", __func__); | |
853 | ||
854 | if (!node) | |
855 | return -ENODEV; | |
856 | ||
857 | tvout = devm_kzalloc(dev, sizeof(*tvout), GFP_KERNEL); | |
858 | if (!tvout) | |
859 | return -ENOMEM; | |
860 | ||
861 | tvout->dev = dev; | |
862 | ||
863 | /* get Memory ressources */ | |
864 | res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "tvout-reg"); | |
865 | if (!res) { | |
866 | DRM_ERROR("Invalid glue resource\n"); | |
867 | return -ENOMEM; | |
868 | } | |
869 | tvout->regs = devm_ioremap_nocache(dev, res->start, resource_size(res)); | |
31f32a21 WY |
870 | if (!tvout->regs) |
871 | return -ENOMEM; | |
cdfbff78 BG |
872 | |
873 | /* get reset resources */ | |
874 | tvout->reset = devm_reset_control_get(dev, "tvout"); | |
875 | /* take tvout out of reset */ | |
876 | if (!IS_ERR(tvout->reset)) | |
877 | reset_control_deassert(tvout->reset); | |
878 | ||
879 | platform_set_drvdata(pdev, tvout); | |
880 | ||
cdfbff78 BG |
881 | return component_add(dev, &sti_tvout_ops); |
882 | } | |
883 | ||
884 | static int sti_tvout_remove(struct platform_device *pdev) | |
885 | { | |
cdfbff78 BG |
886 | component_del(&pdev->dev, &sti_tvout_ops); |
887 | return 0; | |
888 | } | |
889 | ||
8e932cf0 | 890 | static const struct of_device_id tvout_of_match[] = { |
cdfbff78 BG |
891 | { .compatible = "st,stih416-tvout", }, |
892 | { .compatible = "st,stih407-tvout", }, | |
893 | { /* end node */ } | |
894 | }; | |
895 | MODULE_DEVICE_TABLE(of, tvout_of_match); | |
896 | ||
897 | struct platform_driver sti_tvout_driver = { | |
898 | .driver = { | |
899 | .name = "sti-tvout", | |
900 | .owner = THIS_MODULE, | |
901 | .of_match_table = tvout_of_match, | |
902 | }, | |
903 | .probe = sti_tvout_probe, | |
904 | .remove = sti_tvout_remove, | |
905 | }; | |
906 | ||
cdfbff78 BG |
907 | MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>"); |
908 | MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver"); | |
909 | MODULE_LICENSE("GPL"); |