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
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 #include <linux/seq_file.h>
18 #include <drm/drm_crtc_helper.h>
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
53 #define TVO_VIP_DVO 0x600
54 #define TVO_DVO_SYNC_SEL 0x618
55 #define TVO_DVO_CONFIG 0x620
57 #define TVO_IN_FMT_SIGNED BIT(0)
58 #define TVO_SYNC_EXT BIT(4)
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
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
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
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
89 #define TVO_SYNC_MAIN_VTG_SET_REF 0x00
90 #define TVO_SYNC_AUX_VTG_SET_REF 0x10
92 #define TVO_SYNC_HD_DCS_SHIFT 8
94 #define TVO_SYNC_DVO_PAD_HSYNC_SHIFT 8
95 #define TVO_SYNC_DVO_PAD_VSYNC_SHIFT 16
97 #define ENCODER_CRTC_MASK (BIT(0) | BIT(1))
99 #define TVO_MIN_HD_HEIGHT 720
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
,
109 struct drm_device
*drm_dev
;
111 struct reset_control
*reset
;
112 struct drm_encoder
*hdmi
;
113 struct drm_encoder
*hda
;
114 struct drm_encoder
*dvo
;
115 bool debugfs_registered
;
118 struct sti_tvout_encoder
{
119 struct drm_encoder encoder
;
120 struct sti_tvout
*tvout
;
123 #define to_sti_tvout_encoder(x) \
124 container_of(x, struct sti_tvout_encoder, encoder)
126 #define to_sti_tvout(x) to_sti_tvout_encoder(x)->tvout
128 /* preformatter conversion matrix */
129 static const u32 rgb_to_ycbcr_601
[8] = {
130 0xF927082E, 0x04C9FEAB, 0x01D30964, 0xFA95FD3D,
131 0x0000082E, 0x00002000, 0x00002000, 0x00000000
134 /* 709 RGB to YCbCr */
135 static const u32 rgb_to_ycbcr_709
[8] = {
136 0xF891082F, 0x0367FF40, 0x01280B71, 0xF9B1FE20,
137 0x0000082F, 0x00002000, 0x00002000, 0x00000000
140 static u32
tvout_read(struct sti_tvout
*tvout
, int offset
)
142 return readl(tvout
->regs
+ offset
);
145 static void tvout_write(struct sti_tvout
*tvout
, u32 val
, int offset
)
147 writel(val
, tvout
->regs
+ offset
);
151 * Set the clipping mode of a VIP
153 * @tvout: tvout structure
154 * @reg: register to set
159 static void tvout_vip_set_color_order(struct sti_tvout
*tvout
, int reg
,
160 u32 cr_r
, u32 y_g
, u32 cb_b
)
162 u32 val
= tvout_read(tvout
, reg
);
164 val
&= ~(TVO_VIP_REORDER_MASK
<< TVO_VIP_REORDER_R_SHIFT
);
165 val
&= ~(TVO_VIP_REORDER_MASK
<< TVO_VIP_REORDER_G_SHIFT
);
166 val
&= ~(TVO_VIP_REORDER_MASK
<< TVO_VIP_REORDER_B_SHIFT
);
167 val
|= cr_r
<< TVO_VIP_REORDER_R_SHIFT
;
168 val
|= y_g
<< TVO_VIP_REORDER_G_SHIFT
;
169 val
|= cb_b
<< TVO_VIP_REORDER_B_SHIFT
;
171 tvout_write(tvout
, val
, reg
);
175 * Set the clipping mode of a VIP
177 * @tvout: tvout structure
178 * @reg: register to set
179 * @range: clipping range
181 static void tvout_vip_set_clip_mode(struct sti_tvout
*tvout
, int reg
, u32 range
)
183 u32 val
= tvout_read(tvout
, reg
);
185 val
&= ~(TVO_VIP_CLIP_MASK
<< TVO_VIP_CLIP_SHIFT
);
186 val
|= range
<< TVO_VIP_CLIP_SHIFT
;
187 tvout_write(tvout
, val
, reg
);
191 * Set the rounded value of a VIP
193 * @tvout: tvout structure
194 * @reg: register to set
195 * @rnd: rounded val per component
197 static void tvout_vip_set_rnd(struct sti_tvout
*tvout
, int reg
, u32 rnd
)
199 u32 val
= tvout_read(tvout
, reg
);
201 val
&= ~(TVO_VIP_RND_MASK
<< TVO_VIP_RND_SHIFT
);
202 val
|= rnd
<< TVO_VIP_RND_SHIFT
;
203 tvout_write(tvout
, val
, reg
);
207 * Select the VIP input
209 * @tvout: tvout structure
210 * @reg: register to set
211 * @main_path: main or auxiliary path
212 * @sel_input_logic_inverted: need to invert the logic
213 * @sel_input: selected_input (main/aux + conv)
215 static void tvout_vip_set_sel_input(struct sti_tvout
*tvout
,
218 bool sel_input_logic_inverted
,
219 enum sti_tvout_video_out_type video_out
)
222 u32 val
= tvout_read(tvout
, reg
);
225 sel_input
= TVO_VIP_SEL_INPUT_MAIN
;
227 sel_input
= TVO_VIP_SEL_INPUT_AUX
;
230 case STI_TVOUT_VIDEO_OUT_RGB
:
231 sel_input
|= TVO_VIP_SEL_INPUT_BYPASSED
;
233 case STI_TVOUT_VIDEO_OUT_YUV
:
234 sel_input
&= ~TVO_VIP_SEL_INPUT_BYPASSED
;
238 /* on stih407 chip the sel_input bypass mode logic is inverted */
239 if (sel_input_logic_inverted
)
240 sel_input
= sel_input
^ TVO_VIP_SEL_INPUT_BYPASS_MASK
;
242 val
&= ~TVO_VIP_SEL_INPUT_MASK
;
244 tvout_write(tvout
, val
, reg
);
248 * Select the input video signed or unsigned
250 * @tvout: tvout structure
251 * @reg: register to set
252 * @in_vid_signed: used video input format
254 static void tvout_vip_set_in_vid_fmt(struct sti_tvout
*tvout
,
255 int reg
, u32 in_vid_fmt
)
257 u32 val
= tvout_read(tvout
, reg
);
259 val
&= ~TVO_IN_FMT_SIGNED
;
261 tvout_write(tvout
, val
, reg
);
265 * Set preformatter matrix
267 * @tvout: tvout structure
268 * @mode: display mode structure
270 static void tvout_preformatter_set_matrix(struct sti_tvout
*tvout
,
271 struct drm_display_mode
*mode
)
274 const u32
*pf_matrix
;
276 if (mode
->vdisplay
>= TVO_MIN_HD_HEIGHT
)
277 pf_matrix
= rgb_to_ycbcr_709
;
279 pf_matrix
= rgb_to_ycbcr_601
;
281 for (i
= 0; i
< 8; i
++) {
282 tvout_write(tvout
, *(pf_matrix
+ i
),
283 TVO_CSC_MAIN_M0
+ (i
* 4));
284 tvout_write(tvout
, *(pf_matrix
+ i
),
285 TVO_CSC_AUX_M0
+ (i
* 4));
290 * Start VIP block for DVO output
292 * @tvout: pointer on tvout structure
293 * @main_path: true if main path has to be used in the vip configuration
294 * else aux path is used.
296 static void tvout_dvo_start(struct sti_tvout
*tvout
, bool main_path
)
298 struct device_node
*node
= tvout
->dev
->of_node
;
299 bool sel_input_logic_inverted
= false;
300 u32 tvo_in_vid_format
;
303 dev_dbg(tvout
->dev
, "%s\n", __func__
);
306 DRM_DEBUG_DRIVER("main vip for DVO\n");
307 /* Select the input sync for dvo */
308 tmp
= TVO_SYNC_MAIN_VTG_SET_REF
| VTG_SYNC_ID_DVO
;
309 val
= tmp
<< TVO_SYNC_DVO_PAD_VSYNC_SHIFT
;
310 val
|= tmp
<< TVO_SYNC_DVO_PAD_HSYNC_SHIFT
;
312 tvout_write(tvout
, val
, TVO_DVO_SYNC_SEL
);
313 tvo_in_vid_format
= TVO_MAIN_IN_VID_FORMAT
;
315 DRM_DEBUG_DRIVER("aux vip for DVO\n");
316 /* Select the input sync for dvo */
317 tmp
= TVO_SYNC_AUX_VTG_SET_REF
| VTG_SYNC_ID_DVO
;
318 val
= tmp
<< TVO_SYNC_DVO_PAD_VSYNC_SHIFT
;
319 val
|= tmp
<< TVO_SYNC_DVO_PAD_HSYNC_SHIFT
;
321 tvout_write(tvout
, val
, TVO_DVO_SYNC_SEL
);
322 tvo_in_vid_format
= TVO_AUX_IN_VID_FORMAT
;
325 /* Set color channel order */
326 tvout_vip_set_color_order(tvout
, TVO_VIP_DVO
,
327 TVO_VIP_REORDER_CR_R_SEL
,
328 TVO_VIP_REORDER_Y_G_SEL
,
329 TVO_VIP_REORDER_CB_B_SEL
);
331 /* Set clipping mode */
332 tvout_vip_set_clip_mode(tvout
, TVO_VIP_DVO
, TVO_VIP_CLIP_DISABLED
);
334 /* Set round mode (rounded to 8-bit per component) */
335 tvout_vip_set_rnd(tvout
, TVO_VIP_DVO
, TVO_VIP_RND_8BIT_ROUNDED
);
337 if (of_device_is_compatible(node
, "st,stih407-tvout")) {
338 /* Set input video format */
339 tvout_vip_set_in_vid_fmt(tvout
, tvo_in_vid_format
,
341 sel_input_logic_inverted
= true;
344 /* Input selection */
345 tvout_vip_set_sel_input(tvout
, TVO_VIP_DVO
, main_path
,
346 sel_input_logic_inverted
,
347 STI_TVOUT_VIDEO_OUT_RGB
);
351 * Start VIP block for HDMI output
353 * @tvout: pointer on tvout structure
354 * @main_path: true if main path has to be used in the vip configuration
355 * else aux path is used.
357 static void tvout_hdmi_start(struct sti_tvout
*tvout
, bool main_path
)
359 struct device_node
*node
= tvout
->dev
->of_node
;
360 bool sel_input_logic_inverted
= false;
361 u32 tvo_in_vid_format
;
363 dev_dbg(tvout
->dev
, "%s\n", __func__
);
366 DRM_DEBUG_DRIVER("main vip for hdmi\n");
367 /* select the input sync for hdmi */
369 TVO_SYNC_MAIN_VTG_SET_REF
| VTG_SYNC_ID_HDMI
,
371 tvo_in_vid_format
= TVO_MAIN_IN_VID_FORMAT
;
373 DRM_DEBUG_DRIVER("aux vip for hdmi\n");
374 /* select the input sync for hdmi */
376 TVO_SYNC_AUX_VTG_SET_REF
| VTG_SYNC_ID_HDMI
,
378 tvo_in_vid_format
= TVO_AUX_IN_VID_FORMAT
;
381 /* set color channel order */
382 tvout_vip_set_color_order(tvout
, TVO_VIP_HDMI
,
383 TVO_VIP_REORDER_CR_R_SEL
,
384 TVO_VIP_REORDER_Y_G_SEL
,
385 TVO_VIP_REORDER_CB_B_SEL
);
387 /* set clipping mode */
388 tvout_vip_set_clip_mode(tvout
, TVO_VIP_HDMI
, TVO_VIP_CLIP_DISABLED
);
390 /* set round mode (rounded to 8-bit per component) */
391 tvout_vip_set_rnd(tvout
, TVO_VIP_HDMI
, TVO_VIP_RND_8BIT_ROUNDED
);
393 if (of_device_is_compatible(node
, "st,stih407-tvout")) {
394 /* set input video format */
395 tvout_vip_set_in_vid_fmt(tvout
, tvo_in_vid_format
,
397 sel_input_logic_inverted
= true;
400 /* input selection */
401 tvout_vip_set_sel_input(tvout
, TVO_VIP_HDMI
, main_path
,
402 sel_input_logic_inverted
, STI_TVOUT_VIDEO_OUT_RGB
);
406 * Start HDF VIP and HD DAC
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.
412 static void tvout_hda_start(struct sti_tvout
*tvout
, bool main_path
)
414 struct device_node
*node
= tvout
->dev
->of_node
;
415 bool sel_input_logic_inverted
= false;
416 u32 tvo_in_vid_format
;
419 dev_dbg(tvout
->dev
, "%s\n", __func__
);
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
;
427 tvout_write(tvout
, val
, TVO_HD_SYNC_SEL
);
428 tvo_in_vid_format
= TVO_MAIN_IN_VID_FORMAT
;
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
;
435 tvout_write(tvout
, val
, TVO_HD_SYNC_SEL
);
436 tvo_in_vid_format
= TVO_AUX_IN_VID_FORMAT
;
439 /* set color channel order */
440 tvout_vip_set_color_order(tvout
, TVO_VIP_HDF
,
441 TVO_VIP_REORDER_CR_R_SEL
,
442 TVO_VIP_REORDER_Y_G_SEL
,
443 TVO_VIP_REORDER_CB_B_SEL
);
445 /* set clipping mode */
446 tvout_vip_set_clip_mode(tvout
, TVO_VIP_HDF
, TVO_VIP_CLIP_DISABLED
);
448 /* set round mode (rounded to 10-bit per component) */
449 tvout_vip_set_rnd(tvout
, TVO_VIP_HDF
, TVO_VIP_RND_10BIT_ROUNDED
);
451 if (of_device_is_compatible(node
, "st,stih407-tvout")) {
452 /* set input video format */
453 tvout_vip_set_in_vid_fmt(tvout
,
454 tvo_in_vid_format
, TVO_IN_FMT_SIGNED
);
455 sel_input_logic_inverted
= true;
458 /* Input selection */
459 tvout_vip_set_sel_input(tvout
, TVO_VIP_HDF
, main_path
,
460 sel_input_logic_inverted
,
461 STI_TVOUT_VIDEO_OUT_YUV
);
463 /* power up HD DAC */
464 tvout_write(tvout
, 0, TVO_HD_DAC_CFG_OFF
);
467 #define DBGFS_DUMP(reg) seq_printf(s, "\n %-25s 0x%08X", #reg, \
468 readl(tvout->regs + reg))
470 static void tvout_dbg_vip(struct seq_file
*s
, int val
)
472 int r
, g
, b
, tmp
, mask
;
473 char *const reorder
[] = {"Y_G", "Cb_B", "Cr_R"};
474 char *const clipping
[] = {"No", "EAV/SAV", "Limited range RGB/Y",
475 "Limited range Cb/Cr", "decided by register"};
476 char *const round
[] = {"8-bit", "10-bit", "12-bit"};
477 char *const input_sel
[] = {"Main (color matrix enabled)",
478 "Main (color matrix by-passed)",
479 "", "", "", "", "", "",
480 "Aux (color matrix enabled)",
481 "Aux (color matrix by-passed)",
482 "", "", "", "", "", "Force value"};
485 mask
= TVO_VIP_REORDER_MASK
<< TVO_VIP_REORDER_R_SHIFT
;
486 r
= (val
& mask
) >> TVO_VIP_REORDER_R_SHIFT
;
487 mask
= TVO_VIP_REORDER_MASK
<< TVO_VIP_REORDER_G_SHIFT
;
488 g
= (val
& mask
) >> TVO_VIP_REORDER_G_SHIFT
;
489 mask
= TVO_VIP_REORDER_MASK
<< TVO_VIP_REORDER_B_SHIFT
;
490 b
= (val
& mask
) >> TVO_VIP_REORDER_B_SHIFT
;
491 seq_printf(s
, "%-24s %s->%s %s->%s %s->%s\n", "Reorder:",
492 reorder
[r
], reorder
[TVO_VIP_REORDER_CR_R_SEL
],
493 reorder
[g
], reorder
[TVO_VIP_REORDER_Y_G_SEL
],
494 reorder
[b
], reorder
[TVO_VIP_REORDER_CB_B_SEL
]);
495 seq_puts(s
, "\t\t\t\t\t");
496 mask
= TVO_VIP_CLIP_MASK
<< TVO_VIP_CLIP_SHIFT
;
497 tmp
= (val
& mask
) >> TVO_VIP_CLIP_SHIFT
;
498 seq_printf(s
, "%-24s %s\n", "Clipping:", clipping
[tmp
]);
499 seq_puts(s
, "\t\t\t\t\t");
500 mask
= TVO_VIP_RND_MASK
<< TVO_VIP_RND_SHIFT
;
501 tmp
= (val
& mask
) >> TVO_VIP_RND_SHIFT
;
502 seq_printf(s
, "%-24s input data rounded to %s per component\n",
503 "Round:", round
[tmp
]);
504 seq_puts(s
, "\t\t\t\t\t");
505 tmp
= (val
& TVO_VIP_SEL_INPUT_MASK
);
506 seq_printf(s
, "%-24s %s", "Input selection:", input_sel
[tmp
]);
509 static void tvout_dbg_hd_dac_cfg(struct seq_file
*s
, int val
)
511 seq_printf(s
, "\t%-24s %s", "HD DAC:",
512 val
& 1 ? "disabled" : "enabled");
515 static int tvout_dbg_show(struct seq_file
*s
, void *data
)
517 struct drm_info_node
*node
= s
->private;
518 struct sti_tvout
*tvout
= (struct sti_tvout
*)node
->info_ent
->data
;
519 struct drm_crtc
*crtc
;
521 seq_printf(s
, "TVOUT: (vaddr = 0x%p)", tvout
->regs
);
523 seq_puts(s
, "\n\n HDMI encoder: ");
524 crtc
= tvout
->hdmi
->crtc
;
526 seq_printf(s
, "connected to %s path",
527 sti_crtc_is_main(crtc
) ? "main" : "aux");
528 DBGFS_DUMP(TVO_HDMI_SYNC_SEL
);
529 DBGFS_DUMP(TVO_VIP_HDMI
);
530 tvout_dbg_vip(s
, readl(tvout
->regs
+ TVO_VIP_HDMI
));
532 seq_puts(s
, "disabled");
535 seq_puts(s
, "\n\n DVO encoder: ");
536 crtc
= tvout
->dvo
->crtc
;
538 seq_printf(s
, "connected to %s path",
539 sti_crtc_is_main(crtc
) ? "main" : "aux");
540 DBGFS_DUMP(TVO_DVO_SYNC_SEL
);
541 DBGFS_DUMP(TVO_DVO_CONFIG
);
542 DBGFS_DUMP(TVO_VIP_DVO
);
543 tvout_dbg_vip(s
, readl(tvout
->regs
+ TVO_VIP_DVO
));
545 seq_puts(s
, "disabled");
548 seq_puts(s
, "\n\n HDA encoder: ");
549 crtc
= tvout
->hda
->crtc
;
551 seq_printf(s
, "connected to %s path",
552 sti_crtc_is_main(crtc
) ? "main" : "aux");
553 DBGFS_DUMP(TVO_HD_SYNC_SEL
);
554 DBGFS_DUMP(TVO_HD_DAC_CFG_OFF
);
555 tvout_dbg_hd_dac_cfg(s
,
556 readl(tvout
->regs
+ TVO_HD_DAC_CFG_OFF
));
557 DBGFS_DUMP(TVO_VIP_HDF
);
558 tvout_dbg_vip(s
, readl(tvout
->regs
+ TVO_VIP_HDF
));
560 seq_puts(s
, "disabled");
563 seq_puts(s
, "\n\n main path configuration");
564 DBGFS_DUMP(TVO_CSC_MAIN_M0
);
565 DBGFS_DUMP(TVO_CSC_MAIN_M1
);
566 DBGFS_DUMP(TVO_CSC_MAIN_M2
);
567 DBGFS_DUMP(TVO_CSC_MAIN_M3
);
568 DBGFS_DUMP(TVO_CSC_MAIN_M4
);
569 DBGFS_DUMP(TVO_CSC_MAIN_M5
);
570 DBGFS_DUMP(TVO_CSC_MAIN_M6
);
571 DBGFS_DUMP(TVO_CSC_MAIN_M7
);
572 DBGFS_DUMP(TVO_MAIN_IN_VID_FORMAT
);
574 seq_puts(s
, "\n\n auxiliary path configuration");
575 DBGFS_DUMP(TVO_CSC_AUX_M0
);
576 DBGFS_DUMP(TVO_CSC_AUX_M2
);
577 DBGFS_DUMP(TVO_CSC_AUX_M3
);
578 DBGFS_DUMP(TVO_CSC_AUX_M4
);
579 DBGFS_DUMP(TVO_CSC_AUX_M5
);
580 DBGFS_DUMP(TVO_CSC_AUX_M6
);
581 DBGFS_DUMP(TVO_CSC_AUX_M7
);
582 DBGFS_DUMP(TVO_AUX_IN_VID_FORMAT
);
588 static struct drm_info_list tvout_debugfs_files
[] = {
589 { "tvout", tvout_dbg_show
, 0, NULL
},
592 static void tvout_debugfs_exit(struct sti_tvout
*tvout
, struct drm_minor
*minor
)
594 drm_debugfs_remove_files(tvout_debugfs_files
,
595 ARRAY_SIZE(tvout_debugfs_files
),
599 static int tvout_debugfs_init(struct sti_tvout
*tvout
, struct drm_minor
*minor
)
603 for (i
= 0; i
< ARRAY_SIZE(tvout_debugfs_files
); i
++)
604 tvout_debugfs_files
[i
].data
= tvout
;
606 return drm_debugfs_create_files(tvout_debugfs_files
,
607 ARRAY_SIZE(tvout_debugfs_files
),
608 minor
->debugfs_root
, minor
);
611 static void sti_tvout_encoder_dpms(struct drm_encoder
*encoder
, int mode
)
615 static void sti_tvout_encoder_mode_set(struct drm_encoder
*encoder
,
616 struct drm_display_mode
*mode
,
617 struct drm_display_mode
*adjusted_mode
)
621 static void sti_tvout_encoder_destroy(struct drm_encoder
*encoder
)
623 struct sti_tvout_encoder
*sti_encoder
= to_sti_tvout_encoder(encoder
);
625 drm_encoder_cleanup(encoder
);
629 static int sti_tvout_late_register(struct drm_encoder
*encoder
)
631 struct sti_tvout
*tvout
= to_sti_tvout(encoder
);
634 if (tvout
->debugfs_registered
)
637 ret
= tvout_debugfs_init(tvout
, encoder
->dev
->primary
);
641 tvout
->debugfs_registered
= true;
645 static void sti_tvout_early_unregister(struct drm_encoder
*encoder
)
647 struct sti_tvout
*tvout
= to_sti_tvout(encoder
);
649 if (!tvout
->debugfs_registered
)
652 tvout_debugfs_exit(tvout
, encoder
->dev
->primary
);
653 tvout
->debugfs_registered
= false;
656 static const struct drm_encoder_funcs sti_tvout_encoder_funcs
= {
657 .destroy
= sti_tvout_encoder_destroy
,
658 .late_register
= sti_tvout_late_register
,
659 .early_unregister
= sti_tvout_early_unregister
,
662 static void sti_dvo_encoder_enable(struct drm_encoder
*encoder
)
664 struct sti_tvout
*tvout
= to_sti_tvout(encoder
);
666 tvout_preformatter_set_matrix(tvout
, &encoder
->crtc
->mode
);
668 tvout_dvo_start(tvout
, sti_crtc_is_main(encoder
->crtc
));
671 static void sti_dvo_encoder_disable(struct drm_encoder
*encoder
)
673 struct sti_tvout
*tvout
= to_sti_tvout(encoder
);
675 /* Reset VIP register */
676 tvout_write(tvout
, 0x0, TVO_VIP_DVO
);
679 static const struct drm_encoder_helper_funcs sti_dvo_encoder_helper_funcs
= {
680 .dpms
= sti_tvout_encoder_dpms
,
681 .mode_set
= sti_tvout_encoder_mode_set
,
682 .enable
= sti_dvo_encoder_enable
,
683 .disable
= sti_dvo_encoder_disable
,
686 static struct drm_encoder
*
687 sti_tvout_create_dvo_encoder(struct drm_device
*dev
,
688 struct sti_tvout
*tvout
)
690 struct sti_tvout_encoder
*encoder
;
691 struct drm_encoder
*drm_encoder
;
693 encoder
= devm_kzalloc(tvout
->dev
, sizeof(*encoder
), GFP_KERNEL
);
697 encoder
->tvout
= tvout
;
699 drm_encoder
= (struct drm_encoder
*)encoder
;
701 drm_encoder
->possible_crtcs
= ENCODER_CRTC_MASK
;
702 drm_encoder
->possible_clones
= 1 << 0;
704 drm_encoder_init(dev
, drm_encoder
,
705 &sti_tvout_encoder_funcs
, DRM_MODE_ENCODER_LVDS
,
708 drm_encoder_helper_add(drm_encoder
, &sti_dvo_encoder_helper_funcs
);
713 static void sti_hda_encoder_enable(struct drm_encoder
*encoder
)
715 struct sti_tvout
*tvout
= to_sti_tvout(encoder
);
717 tvout_preformatter_set_matrix(tvout
, &encoder
->crtc
->mode
);
719 tvout_hda_start(tvout
, sti_crtc_is_main(encoder
->crtc
));
722 static void sti_hda_encoder_disable(struct drm_encoder
*encoder
)
724 struct sti_tvout
*tvout
= to_sti_tvout(encoder
);
726 /* reset VIP register */
727 tvout_write(tvout
, 0x0, TVO_VIP_HDF
);
729 /* power down HD DAC */
730 tvout_write(tvout
, 1, TVO_HD_DAC_CFG_OFF
);
733 static const struct drm_encoder_helper_funcs sti_hda_encoder_helper_funcs
= {
734 .dpms
= sti_tvout_encoder_dpms
,
735 .mode_set
= sti_tvout_encoder_mode_set
,
736 .commit
= sti_hda_encoder_enable
,
737 .disable
= sti_hda_encoder_disable
,
740 static struct drm_encoder
*sti_tvout_create_hda_encoder(struct drm_device
*dev
,
741 struct sti_tvout
*tvout
)
743 struct sti_tvout_encoder
*encoder
;
744 struct drm_encoder
*drm_encoder
;
746 encoder
= devm_kzalloc(tvout
->dev
, sizeof(*encoder
), GFP_KERNEL
);
750 encoder
->tvout
= tvout
;
752 drm_encoder
= (struct drm_encoder
*) encoder
;
754 drm_encoder
->possible_crtcs
= ENCODER_CRTC_MASK
;
755 drm_encoder
->possible_clones
= 1 << 0;
757 drm_encoder_init(dev
, drm_encoder
,
758 &sti_tvout_encoder_funcs
, DRM_MODE_ENCODER_DAC
, NULL
);
760 drm_encoder_helper_add(drm_encoder
, &sti_hda_encoder_helper_funcs
);
765 static void sti_hdmi_encoder_enable(struct drm_encoder
*encoder
)
767 struct sti_tvout
*tvout
= to_sti_tvout(encoder
);
769 tvout_preformatter_set_matrix(tvout
, &encoder
->crtc
->mode
);
771 tvout_hdmi_start(tvout
, sti_crtc_is_main(encoder
->crtc
));
774 static void sti_hdmi_encoder_disable(struct drm_encoder
*encoder
)
776 struct sti_tvout
*tvout
= to_sti_tvout(encoder
);
778 /* reset VIP register */
779 tvout_write(tvout
, 0x0, TVO_VIP_HDMI
);
782 static const struct drm_encoder_helper_funcs sti_hdmi_encoder_helper_funcs
= {
783 .dpms
= sti_tvout_encoder_dpms
,
784 .mode_set
= sti_tvout_encoder_mode_set
,
785 .commit
= sti_hdmi_encoder_enable
,
786 .disable
= sti_hdmi_encoder_disable
,
789 static struct drm_encoder
*sti_tvout_create_hdmi_encoder(struct drm_device
*dev
,
790 struct sti_tvout
*tvout
)
792 struct sti_tvout_encoder
*encoder
;
793 struct drm_encoder
*drm_encoder
;
795 encoder
= devm_kzalloc(tvout
->dev
, sizeof(*encoder
), GFP_KERNEL
);
799 encoder
->tvout
= tvout
;
801 drm_encoder
= (struct drm_encoder
*) encoder
;
803 drm_encoder
->possible_crtcs
= ENCODER_CRTC_MASK
;
804 drm_encoder
->possible_clones
= 1 << 1;
806 drm_encoder_init(dev
, drm_encoder
,
807 &sti_tvout_encoder_funcs
, DRM_MODE_ENCODER_TMDS
, NULL
);
809 drm_encoder_helper_add(drm_encoder
, &sti_hdmi_encoder_helper_funcs
);
814 static void sti_tvout_create_encoders(struct drm_device
*dev
,
815 struct sti_tvout
*tvout
)
817 tvout
->hdmi
= sti_tvout_create_hdmi_encoder(dev
, tvout
);
818 tvout
->hda
= sti_tvout_create_hda_encoder(dev
, tvout
);
819 tvout
->dvo
= sti_tvout_create_dvo_encoder(dev
, tvout
);
822 static void sti_tvout_destroy_encoders(struct sti_tvout
*tvout
)
825 drm_encoder_cleanup(tvout
->hdmi
);
829 drm_encoder_cleanup(tvout
->hda
);
833 drm_encoder_cleanup(tvout
->dvo
);
837 static int sti_tvout_bind(struct device
*dev
, struct device
*master
, void *data
)
839 struct sti_tvout
*tvout
= dev_get_drvdata(dev
);
840 struct drm_device
*drm_dev
= data
;
842 tvout
->drm_dev
= drm_dev
;
844 sti_tvout_create_encoders(drm_dev
, tvout
);
849 static void sti_tvout_unbind(struct device
*dev
, struct device
*master
,
852 struct sti_tvout
*tvout
= dev_get_drvdata(dev
);
854 sti_tvout_destroy_encoders(tvout
);
857 static const struct component_ops sti_tvout_ops
= {
858 .bind
= sti_tvout_bind
,
859 .unbind
= sti_tvout_unbind
,
862 static int sti_tvout_probe(struct platform_device
*pdev
)
864 struct device
*dev
= &pdev
->dev
;
865 struct device_node
*node
= dev
->of_node
;
866 struct sti_tvout
*tvout
;
867 struct resource
*res
;
869 DRM_INFO("%s\n", __func__
);
874 tvout
= devm_kzalloc(dev
, sizeof(*tvout
), GFP_KERNEL
);
880 /* get Memory ressources */
881 res
= platform_get_resource_byname(pdev
, IORESOURCE_MEM
, "tvout-reg");
883 DRM_ERROR("Invalid glue resource\n");
886 tvout
->regs
= devm_ioremap_nocache(dev
, res
->start
, resource_size(res
));
890 /* get reset resources */
891 tvout
->reset
= devm_reset_control_get(dev
, "tvout");
892 /* take tvout out of reset */
893 if (!IS_ERR(tvout
->reset
))
894 reset_control_deassert(tvout
->reset
);
896 platform_set_drvdata(pdev
, tvout
);
898 return component_add(dev
, &sti_tvout_ops
);
901 static int sti_tvout_remove(struct platform_device
*pdev
)
903 component_del(&pdev
->dev
, &sti_tvout_ops
);
907 static const struct of_device_id tvout_of_match
[] = {
908 { .compatible
= "st,stih416-tvout", },
909 { .compatible
= "st,stih407-tvout", },
912 MODULE_DEVICE_TABLE(of
, tvout_of_match
);
914 struct platform_driver sti_tvout_driver
= {
917 .owner
= THIS_MODULE
,
918 .of_match_table
= tvout_of_match
,
920 .probe
= sti_tvout_probe
,
921 .remove
= sti_tvout_remove
,
924 MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>");
925 MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver");
926 MODULE_LICENSE("GPL");