target: msm8952: Add display support for msm8952 target

Add display support in LK with continuous splash screen
for msm8952 target with GCDB and DSI auto PLL.

Change-Id: Iacba58a8f80ac903d6a1f8189f0963a3995eb6bd
diff --git a/target/msm8952/oem_panel.c b/target/msm8952/oem_panel.c
new file mode 100644
index 0000000..b47f2e3
--- /dev/null
+++ b/target/msm8952/oem_panel.c
@@ -0,0 +1,186 @@
+/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name of The Linux Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <debug.h>
+#include <string.h>
+#include <err.h>
+#include <smem.h>
+#include <msm_panel.h>
+#include <board.h>
+#include <mipi_dsi.h>
+#include <target/display.h>
+
+#include "include/panel.h"
+#include "panel_display.h"
+
+/*---------------------------------------------------------------------------*/
+/* GCDB Panel Database                                                       */
+/*---------------------------------------------------------------------------*/
+#include "include/panel_truly_1080p_video.h"
+
+/*---------------------------------------------------------------------------*/
+/* static panel selection variable                                           */
+/*---------------------------------------------------------------------------*/
+enum {
+	TRULY_1080P_VIDEO_PANEL,
+	UNKNOWN_PANEL
+};
+
+uint32_t panel_regulator_settings[] = {
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+/*
+ * The list of panels that are supported on this target.
+ * Any panel in this list can be selected using fastboot oem command.
+ */
+static struct panel_list supp_panels[] = {
+	{"truly_1080p_video", TRULY_1080P_VIDEO_PANEL},
+};
+
+static uint32_t panel_id;
+
+int oem_panel_rotation()
+{
+	return NO_ERROR;
+}
+
+int oem_panel_on()
+{
+	/*
+	 *OEM can keep their panel specific on instructions in this
+	 *function
+	 */
+	return NO_ERROR;
+}
+
+int oem_panel_off()
+{
+	/* OEM can keep their panel specific off instructions
+	 * in this function
+	 */
+	return NO_ERROR;
+}
+
+static int init_panel_data(struct panel_struct *panelstruct,
+			struct msm_panel_info *pinfo,
+			struct mdss_dsi_phy_ctrl *phy_db)
+{
+	int pan_type = PANEL_TYPE_DSI;
+
+	switch (panel_id) {
+	case TRULY_1080P_VIDEO_PANEL:
+		panelstruct->paneldata    = &truly_1080p_video_panel_data;
+		panelstruct->paneldata->panel_with_enable_gpio = 1;
+		panelstruct->panelres     = &truly_1080p_video_panel_res;
+		panelstruct->color        = &truly_1080p_video_color;
+		panelstruct->videopanel   = &truly_1080p_video_video_panel;
+		panelstruct->commandpanel = &truly_1080p_video_command_panel;
+		panelstruct->state        = &truly_1080p_video_state;
+		panelstruct->laneconfig   = &truly_1080p_video_lane_config;
+		panelstruct->paneltiminginfo
+			= &truly_1080p_video_timing_info;
+		panelstruct->panelresetseq
+					 = &truly_1080p_video_panel_reset_seq;
+		panelstruct->backlightinfo = &truly_1080p_video_backlight;
+		pinfo->mipi.panel_on_cmds
+			= truly_1080p_video_on_command;
+		pinfo->mipi.num_of_panel_on_cmds
+			= TRULY_1080P_VIDEO_ON_COMMAND;
+		pinfo->mipi.panel_off_cmds
+			= truly_1080p_video_off_command;
+		pinfo->mipi.num_of_panel_off_cmds
+			= TRULY_1080P_VIDEO_OFF_COMMAND;
+		memcpy(phy_db->timing,
+			truly_1080p_video_timings, TIMING_SIZE);
+		pinfo->mipi.signature 	= TRULY_1080P_VIDEO_SIGNATURE;
+		break;
+	case UNKNOWN_PANEL:
+	default:
+		memset(panelstruct, 0, sizeof(struct panel_struct));
+		memset(pinfo->mipi.panel_on_cmds, 0,
+					sizeof(struct mipi_dsi_cmd));
+		pinfo->mipi.num_of_panel_on_cmds = 0;
+		memset(pinfo->mipi.panel_off_cmds, 0,
+					sizeof(struct mipi_dsi_cmd));
+		pinfo->mipi.num_of_panel_off_cmds = 0;
+		memset(phy_db->timing, 0, TIMING_SIZE);
+		pan_type = PANEL_TYPE_UNKNOWN;
+		break;
+	}
+	return pan_type;
+}
+
+int oem_panel_select(const char *panel_name, struct panel_struct *panelstruct,
+			struct msm_panel_info *pinfo,
+			struct mdss_dsi_phy_ctrl *phy_db)
+{
+	uint32_t hw_id = board_hardware_id();
+	int32_t panel_override_id;
+
+	if (panel_name) {
+		panel_override_id = panel_name_to_id(supp_panels,
+				ARRAY_SIZE(supp_panels), panel_name);
+
+		if (panel_override_id < 0) {
+			dprintf(CRITICAL, "Not able to search the panel:%s\n",
+					 panel_name + strspn(panel_name, " "));
+		} else if (panel_override_id < UNKNOWN_PANEL) {
+			/* panel override using fastboot oem command */
+			panel_id = panel_override_id;
+
+			dprintf(INFO, "OEM panel override:%s\n",
+					panel_name + strspn(panel_name, " "));
+			goto panel_init;
+		}
+	}
+
+	switch (hw_id) {
+	case HW_PLATFORM_MTP:
+		panel_id = TRULY_1080P_VIDEO_PANEL;
+		break;
+	case HW_PLATFORM_SURF:
+		panel_id = TRULY_1080P_VIDEO_PANEL;
+		break;
+	default:
+		dprintf(CRITICAL, "Display not enabled for %d HW type\n",
+			hw_id);
+		return PANEL_TYPE_UNKNOWN;
+	}
+
+panel_init:
+	/*
+	 * Update all data structures after 'panel_init' label. Only panel
+	 * selection is supposed to happen before that.
+	 */
+	memcpy(panel_regulator_settings,
+			dcdc_regulator_settings, REGULATOR_SIZE);
+	pinfo->pipe_type = MDSS_MDP_PIPE_TYPE_RGB;
+	return init_panel_data(panelstruct, pinfo, phy_db);
+}