1 /*
2 * Copyright © 2010 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * jim liu <jim.liu@intel.com>
25 * Jackie Li<yaodong.li@intel.com>
26 */
27
28 #include "mdfld_dsi_dpi.h"
29
tpo_vid_get_config_mode(struct drm_device * dev)30 static struct drm_display_mode *tpo_vid_get_config_mode(struct drm_device *dev)
31 {
32 struct drm_display_mode *mode;
33 struct drm_psb_private *dev_priv = dev->dev_private;
34 struct oaktrail_timing_info *ti = &dev_priv->gct_data.DTD;
35 bool use_gct = false;
36
37 mode = kzalloc(sizeof(*mode), GFP_KERNEL);
38 if (!mode)
39 return NULL;
40
41 if (use_gct) {
42 mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
43 mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
44 mode->hsync_start = mode->hdisplay +
45 ((ti->hsync_offset_hi << 8) |
46 ti->hsync_offset_lo);
47 mode->hsync_end = mode->hsync_start +
48 ((ti->hsync_pulse_width_hi << 8) |
49 ti->hsync_pulse_width_lo);
50 mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) |
51 ti->hblank_lo);
52 mode->vsync_start =
53 mode->vdisplay + ((ti->vsync_offset_hi << 8) |
54 ti->vsync_offset_lo);
55 mode->vsync_end =
56 mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) |
57 ti->vsync_pulse_width_lo);
58 mode->vtotal = mode->vdisplay +
59 ((ti->vblank_hi << 8) | ti->vblank_lo);
60 mode->clock = ti->pixel_clock * 10;
61
62 dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
63 dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
64 dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
65 dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
66 dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
67 dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
68 dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
69 dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
70 dev_dbg(dev->dev, "clock is %d\n", mode->clock);
71 } else {
72 mode->hdisplay = 864;
73 mode->vdisplay = 480;
74 mode->hsync_start = 873;
75 mode->hsync_end = 876;
76 mode->htotal = 887;
77 mode->vsync_start = 487;
78 mode->vsync_end = 490;
79 mode->vtotal = 499;
80 mode->clock = 33264;
81 }
82
83 drm_mode_set_name(mode);
84 drm_mode_set_crtcinfo(mode, 0);
85
86 mode->type |= DRM_MODE_TYPE_PREFERRED;
87
88 return mode;
89 }
90
tpo_vid_get_panel_info(struct drm_device * dev,int pipe,struct panel_info * pi)91 static int tpo_vid_get_panel_info(struct drm_device *dev,
92 int pipe,
93 struct panel_info *pi)
94 {
95 if (!dev || !pi)
96 return -EINVAL;
97
98 pi->width_mm = TPO_PANEL_WIDTH;
99 pi->height_mm = TPO_PANEL_HEIGHT;
100
101 return 0;
102 }
103
104 /*TPO DPI encoder helper funcs*/
105 static const struct drm_encoder_helper_funcs
106 mdfld_tpo_dpi_encoder_helper_funcs = {
107 .dpms = mdfld_dsi_dpi_dpms,
108 .mode_fixup = mdfld_dsi_dpi_mode_fixup,
109 .prepare = mdfld_dsi_dpi_prepare,
110 .mode_set = mdfld_dsi_dpi_mode_set,
111 .commit = mdfld_dsi_dpi_commit,
112 };
113
114 /*TPO DPI encoder funcs*/
115 static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
116 .destroy = drm_encoder_cleanup,
117 };
118
119 const struct panel_funcs mdfld_tpo_vid_funcs = {
120 .encoder_funcs = &mdfld_tpo_dpi_encoder_funcs,
121 .encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs,
122 .get_config_mode = &tpo_vid_get_config_mode,
123 .get_panel_info = tpo_vid_get_panel_info,
124 };
125