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
 30static 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
 91static 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*/
105static 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*/
115static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
116	.destroy = drm_encoder_cleanup,
117};
118
119const 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};