M7350/bootable/bootloader/lk/platform/msm_shared/mdp3.c

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2024-09-09 08:52:07 +00:00
/* Copyright (c) 2011-2012, 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, Inc. 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 "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* 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 <mdp3.h>
#include <debug.h>
#include <reg.h>
#include <msm_panel.h>
#include <err.h>
#include <target/display.h>
#include <platform/timer.h>
#include <platform/iomap.h>
static int mdp_rev;
int mdp_dsi_video_config(struct msm_panel_info *pinfo,
struct fbcon_config *fb)
{
unsigned long hsync_period;
unsigned long vsync_period;
unsigned long vsync_period_intmd;
struct lcdc_panel_info *lcdc = NULL;
int ystride = 3;
if (pinfo == NULL)
return ERR_INVALID_ARGS;
lcdc = &(pinfo->lcdc);
if (lcdc == NULL)
return ERR_INVALID_ARGS;
dprintf(SPEW, "MDP3.0.3 for DSI Video Mode\n");
hsync_period = pinfo->xres + lcdc->h_front_porch + \
lcdc->h_back_porch + 1;
vsync_period_intmd = pinfo->yres + lcdc->v_front_porch + \
lcdc->v_back_porch + 1;
vsync_period = vsync_period_intmd * hsync_period;
// ------------- programming MDP_DMA_P_CONFIG ---------------------
writel(0x1800bf, MDP_DMA_P_CONFIG); // rgb888
writel(0x00000000, MDP_DMA_P_OUT_XY);
writel(pinfo->yres << 16 | pinfo->xres, MDP_DMA_P_SIZE);
writel(MIPI_FB_ADDR, MDP_DMA_P_BUF_ADDR);
writel(pinfo->xres * ystride, MDP_DMA_P_BUF_Y_STRIDE);
writel(hsync_period << 16 | lcdc->h_pulse_width, \
MDP_DSI_VIDEO_HSYNC_CTL);
writel(vsync_period, MDP_DSI_VIDEO_VSYNC_PERIOD);
writel(lcdc->v_pulse_width * hsync_period, \
MDP_DSI_VIDEO_VSYNC_PULSE_WIDTH);
writel((pinfo->xres + lcdc->h_back_porch - 1) << 16 | \
lcdc->h_back_porch, MDP_DSI_VIDEO_DISPLAY_HCTL);
writel(lcdc->v_back_porch * hsync_period, \
MDP_DSI_VIDEO_DISPLAY_V_START);
writel((pinfo->yres + lcdc->v_back_porch) * hsync_period,
MDP_DSI_VIDEO_DISPLAY_V_END);
writel(0x00ABCDEF, MDP_DSI_VIDEO_BORDER_CLR);
writel(0x00000000, MDP_DSI_VIDEO_HSYNC_SKEW);
writel(0x00000000, MDP_DSI_VIDEO_CTL_POLARITY);
// end of cmd mdp
return 0;
}
int mdp_dsi_cmd_config(struct msm_panel_info *pinfo,
struct fbcon_config *fb)
{
int ret = 0;
unsigned short pack_pattern = 0x21;
unsigned char ystride = 3;
writel(0x03ffffff, MDP_INTR_ENABLE);
// ------------- programming MDP_DMA_P_CONFIG ---------------------
writel(pack_pattern << 8 | 0x3f | (0 << 25)| (1 << 19) | (1 << 7) , MDP_DMA_P_CONFIG); // rgb888
writel(0x00000000, MDP_DMA_P_OUT_XY);
writel(pinfo->yres << 16 | pinfo->xres, MDP_DMA_P_SIZE);
writel(MIPI_FB_ADDR, MDP_DMA_P_BUF_ADDR);
writel(pinfo->xres * ystride, MDP_DMA_P_BUF_Y_STRIDE);
writel(0x10, MDP_DSI_CMD_MODE_ID_MAP);
writel(0x11, MDP_DSI_CMD_MODE_TRIGGER_EN);
mdelay(10);
return ret;
}
void mdp_disable(void)
{
if (!target_cont_splash_screen())
writel(0x00000000, MDP_DSI_VIDEO_EN);
}
int mdp_dsi_video_off(void)
{
if (!target_cont_splash_screen()) {
mdp_disable();
mdelay(60);
}
writel(0x00000000, MDP_INTR_ENABLE);
writel(0x01ffffff, MDP_INTR_CLEAR);
return NO_ERROR;
}
int mdp_dsi_cmd_off(void)
{
if (!target_cont_splash_screen()) {
mdp_dma_off();
/*
* Allow sometime for the DMA channel to
* stop the data transfer
*/
mdelay(10);
}
writel(0x00000000, MDP_INTR_ENABLE);
writel(0x01ffffff, MDP_INTR_CLEAR);
return NO_ERROR;
}
void mdp_set_revision(int rev)
{
mdp_rev = rev;
}
int mdp_get_revision(void)
{
return mdp_rev;
}
int mdp_dsi_video_on()
{
int ret = 0;
writel(0x00000001, MDP_DSI_VIDEO_EN);
return ret;
}
int mdp_dma_on()
{
int ret = 0;
writel(0x00000001, MDP_DMA_P_START);
return ret;
}
int mdp_dma_off()
{
int ret = 0;
if (!target_cont_splash_screen())
writel(0x00000000, MDP_DMA_P_START);
return ret;
}