/*
 * mdp4_dma_p_done_lcdc: called from isr
 */
void mdp4_dmap_done_lcdc(int cndx)
{
	struct vsycn_ctrl *vctrl;
	struct mdp4_overlay_pipe *pipe;

	if (cndx >= MAX_CONTROLLER) {
		pr_err("%s: out or range: cndx=%d\n", __func__, cndx);
		return;
	}
	vctrl = &vsync_ctrl_db[cndx];
	pipe = vctrl->base_pipe;

	spin_lock(&vctrl->spin_lock);
	vsync_irq_disable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
	if (vctrl->blt_change) {
		mdp4_overlayproc_cfg(pipe);
		mdp4_overlay_dmap_xy(pipe);
		if (pipe->ov_blt_addr) {
			mdp4_lcdc_blt_ov_update(pipe);
			pipe->ov_cnt++;
			/* Prefill one frame */
			vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
			/* kickoff overlay0 engine */
			mdp4_stat.kickoff_ov0++;
			vctrl->ov_koff++;       /* make up for prefill */
			outpdw(MDP_BASE + 0x0004, 0);
		}
		vctrl->blt_change = 0;
	}

	complete_all(&vctrl->dmap_comp);

	if (mdp_rev <= MDP_REV_41)
		mdp4_mixer_blend_cfg(MDP4_MIXER0);

	mdp4_overlay_dma_commit(cndx);
	spin_unlock(&vctrl->spin_lock);
}
/*
 * make sure the MIPI_DSI_WRITEBACK_SIZE defined at boardfile
 * has enough space h * w * 3 * 2
 */
static void mdp4_lcdc_do_blt(struct msm_fb_data_type *mfd, int enable)
{
	unsigned long flag;
	int change = 0;

	mdp4_allocate_writeback_buf(mfd, MDP4_MIXER0);

	if (!mfd->ov0_wb_buf->phys_addr) {
		pr_debug("%s: no blt_base assigned\n", __func__);
		return;
	}

	spin_lock_irqsave(&mdp_spin_lock, flag);
	if (enable && lcdc_pipe->blt_addr == 0) {
		lcdc_pipe->blt_addr = mfd->ov0_wb_buf->phys_addr;
		change++;
		lcdc_pipe->blt_cnt = 0;
		lcdc_pipe->ov_cnt = 0;
		lcdc_pipe->dmap_cnt = 0;
		mdp4_stat.blt_lcdc++;
	} else if (enable == 0 && lcdc_pipe->blt_addr) {
		lcdc_pipe->blt_addr = 0;
		change++;
	}
	pr_info("%s: blt_addr=%x\n", __func__, (int)lcdc_pipe->blt_addr);
	spin_unlock_irqrestore(&mdp_spin_lock, flag);

	if (!change)
		return;

	mdp4_overlay_lcdc_wait4event(mfd, INTR_DMA_P_DONE);
	MDP_OUTP(MDP_BASE + LCDC_BASE, 0);	/* stop lcdc */
	msleep(20);
	mdp4_overlayproc_cfg(lcdc_pipe);
	mdp4_overlay_dmap_xy(lcdc_pipe);
	MDP_OUTP(MDP_BASE + LCDC_BASE, 1);	/* start lcdc */
}
Ejemplo n.º 3
0
/*
 * mdp4_overlay0_done_mddi: called from isr
 */
void mdp4_overlay0_done_mddi(struct mdp_dma_data *dma)
{
	mdp_disable_irq_nosync(MDP_OVERLAY0_TERM);

	dma->busy = FALSE;
/* FUJITSU:2012-05-29 DISP add prevent set_lut interruption start */
	mutex_unlock(&msm_fb_ioctl_lut_sem);
/* FUJITSU:2012-05-29 DISP add prevent set_lut interruption end */
	complete(&dma->comp);
	mdp_pipe_ctrl(MDP_OVERLAY0_BLOCK,
			MDP_BLOCK_POWER_OFF, TRUE);

	if (busy_wait_cnt)
		busy_wait_cnt--;

	pr_debug("%s: ISR-done\n", __func__);

	if (mddi_pipe->blt_addr) {
		if (mddi_pipe->blt_cnt == 0) {
			mdp4_overlayproc_cfg(mddi_pipe);
			mdp4_overlay_dmap_xy(mddi_pipe);
			mddi_pipe->ov_cnt = 0;
			mddi_pipe->dmap_cnt = 0;
			/* BLT start from next frame */
		} else {
			mdp_pipe_ctrl(MDP_DMA2_BLOCK, MDP_BLOCK_POWER_ON,
						FALSE);
			mdp4_blt_xy_update(mddi_pipe);
			outpdw(MDP_BASE + 0x000c, 0x0); /* start DMAP */
		}
		mddi_pipe->blt_cnt++;
		mddi_pipe->ov_cnt++;
	}



}
Ejemplo n.º 4
0
/*
 * mdp4_overlay0_done_mddi: called from isr
 */
void mdp4_overlay0_done_mddi(struct mdp_dma_data *dma)
{
	mdp_disable_irq_nosync(MDP_OVERLAY0_TERM);

	dma->busy = FALSE;
	complete(&dma->comp);
	mdp_pipe_ctrl(MDP_OVERLAY0_BLOCK,
			MDP_BLOCK_POWER_OFF, TRUE);

	if (busy_wait_cnt)
		busy_wait_cnt--;

	pr_debug("%s: ISR-done\n", __func__);

	if (mddi_pipe->blt_addr) {
		if (mddi_pipe->blt_cnt == 0) {
			mdp4_overlayproc_cfg(mddi_pipe);
			mdp4_overlay_dmap_xy(mddi_pipe);
			mddi_pipe->ov_cnt = 0;
			mddi_pipe->dmap_cnt = 0;
			/* BLT start from next frame */
		} else {
			mdp_pipe_ctrl(MDP_DMA2_BLOCK, MDP_BLOCK_POWER_ON,
						FALSE);
			mdp4_blt_xy_update(mddi_pipe);
			outpdw(MDP_BASE + 0x000c, 0x0); /* start DMAP */
		}
		mddi_pipe->blt_cnt++;
		mddi_pipe->ov_cnt++;
	}


	if (busy_wait_cnt)
		busy_wait_cnt--;

}
Ejemplo n.º 5
0
void mdp4_dmap_done_dsi_video(int cndx)
{
	struct vsycn_ctrl *vctrl;
	struct mdp4_overlay_pipe *pipe;

	if (cndx >= MAX_CONTROLLER) {
		pr_err("%s: out or range: cndx=%d\n", __func__, cndx);
		return;
	}
	vctrl = &vsync_ctrl_db[cndx];
	pipe = vctrl->base_pipe;

	spin_lock(&vctrl->spin_lock);
	vsync_irq_disable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
	if (vctrl->blt_change &&
		mdp_ov0_blt_ctl == MDP4_BLT_SWITCH_TG_ON_ISR) {
		mdp4_overlayproc_cfg(pipe);
		mdp4_overlay_dmap_xy(pipe);
		if (pipe->ov_blt_addr) {
			mdp4_dsi_video_blt_ov_update(pipe);
			pipe->ov_cnt++;
			
			vsync_irq_enable(INTR_OVERLAY0_DONE,
						MDP_OVERLAY0_TERM);
			
			mdp4_stat.kickoff_ov0++;
			vctrl->ov_koff++;	
			outpdw(MDP_BASE + 0x0004, 0);
		}
		vctrl->blt_change = 0;
	}

	complete_all(&vctrl->dmap_comp);
	mdp4_overlay_dma_commit(cndx);
	spin_unlock(&vctrl->spin_lock);
}
Ejemplo n.º 6
0
/* 3D side by side */
void mdp4_dsi_video_3d_sbys(struct msm_fb_data_type *mfd,
				struct msmfb_overlay_3d *r3d)
{
	struct fb_info *fbi;
	struct mdp4_overlay_pipe *pipe;
	int bpp;
	uint8 *buf = NULL;

	if (dsi_pipe == NULL)
		return;

	dsi_pipe->is_3d = r3d->is_3d;
	dsi_pipe->src_height_3d = r3d->height;
	dsi_pipe->src_width_3d = r3d->width;

	pipe = dsi_pipe;

	if (pipe->is_3d)
		mdp4_overlay_panel_3d(pipe->mixer_num, MDP4_3D_SIDE_BY_SIDE);
	else
		mdp4_overlay_panel_3d(pipe->mixer_num, MDP4_3D_NONE);

	fbi = mfd->fbi;

	bpp = fbi->var.bits_per_pixel / 8;
	buf = (uint8 *) fbi->fix.smem_start;
	buf += fbi->var.xoffset * bpp +
		fbi->var.yoffset * fbi->fix.line_length;

	if (pipe->is_3d) {
		pipe->src_height = pipe->src_height_3d;
		pipe->src_width = pipe->src_width_3d;
		pipe->src_h = pipe->src_height_3d;
		pipe->src_w = pipe->src_width_3d;
		pipe->dst_h = pipe->src_height_3d;
		pipe->dst_w = pipe->src_width_3d;
		pipe->srcp0_ystride = msm_fb_line_length(0,
					pipe->src_width, bpp);
	} else {
		 /* 2D */
		pipe->src_height = fbi->var.yres;
		pipe->src_width = fbi->var.xres;
		pipe->src_h = fbi->var.yres;
		pipe->src_w = fbi->var.xres;
		pipe->dst_h = fbi->var.yres;
		pipe->dst_w = fbi->var.xres;
		pipe->srcp0_ystride = fbi->fix.line_length;
	}

	pipe->src_y = 0;
	pipe->src_x = 0;
	pipe->dst_y = 0;
	pipe->dst_x = 0;
	pipe->srcp0_addr = (uint32)buf;

	mdp4_overlay_rgb_setup(pipe);

	mdp4_overlayproc_cfg(pipe);

	mdp4_overlay_dmap_xy(pipe);

	mdp4_overlay_dmap_cfg(mfd, 1);

	mdp4_mixer_stage_up(pipe);

	mb();

	/* wait for vsycn */
	mdp4_overlay_dsi_video_vsync_push(mfd, pipe);
}
void mdp4_overlay_update_mddi(struct msm_fb_data_type *mfd)
{
	int ptype;
	uint32 mddi_ld_param;
	uint16 mddi_vdo_packet_reg;
	struct mdp4_overlay_pipe *pipe;
	uint32	data;
	int ret;
	int cndx = 0;
	struct vsycn_ctrl *vctrl;

	if (mfd->key != MFD_KEY)
		return;

	vctrl = &vsync_ctrl_db[cndx];

	if (vctrl->base_pipe == NULL) {
		ptype = mdp4_overlay_format2type(mfd->fb_imgType);

		if (ptype < 0)
			pr_info("%s: format2type failed\n", __func__);

		pipe = mdp4_overlay_pipe_alloc(ptype, MDP4_MIXER0);
		if (pipe == NULL) {
			pr_info("%s: pipe_alloc failed\n", __func__);
			return;
		}
		pipe->pipe_used++;
		pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = mfd->fb_imgType;
		mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_MDDI);
		ret = mdp4_overlay_format2pipe(pipe);
		if (ret < 0)
			pr_info("%s: format2type failed\n", __func__);

		vctrl->base_pipe = pipe; /* keep it */
		mdp4_init_writeback_buf(mfd, MDP4_MIXER0);
		pipe->ov_blt_addr = 0;
		pipe->dma_blt_addr = 0;
	} else {
		pipe = vctrl->base_pipe;
	}

	MDP_OUTP(MDP_BASE + 0x021c, 10); /* read pointer */

	mddi_ld_param = 0;
	mddi_vdo_packet_reg = mfd->panel_info.mddi.vdopkt;

	if (mdp_hw_revision == MDP4_REVISION_V2_1) {
		data = inpdw(MDP_BASE + 0x0028);
		data &= ~0x0300;	/* bit 8, 9, MASTER4 */
		if (mfd->fbi->var.xres == 540) /* qHD, 540x960 */
			data |= 0x0200;
		else
			data |= 0x0100;

			MDP_OUTP(MDP_BASE + 0x00028, data);
	}

	if (mfd->panel_info.type == MDDI_PANEL) {
		if (mfd->panel_info.pdest == DISPLAY_1)
			mddi_ld_param = 0;
		else
			mddi_ld_param = 1;
	} else {
		mddi_ld_param = 2;
	}

	MDP_OUTP(MDP_BASE + 0x00090, mddi_ld_param);

	if (mfd->panel_info.bpp == 24)
		MDP_OUTP(MDP_BASE + 0x00094,
		 (MDDI_VDO_PACKET_DESC_24 << 16) | mddi_vdo_packet_reg);
	else if (mfd->panel_info.bpp == 16)
		MDP_OUTP(MDP_BASE + 0x00094,
		 (MDDI_VDO_PACKET_DESC_16 << 16) | mddi_vdo_packet_reg);
	else
		MDP_OUTP(MDP_BASE + 0x00094,
		 (MDDI_VDO_PACKET_DESC << 16) | mddi_vdo_packet_reg);

		MDP_OUTP(MDP_BASE + 0x00098, 0x01);


	mdp4_overlay_setup_pipe_addr(mfd, pipe);

	mdp4_overlay_rgb_setup(pipe);

	mdp4_overlay_reg_flush(pipe, 1);

	mdp4_mixer_stage_up(pipe, 0);

	mdp4_overlayproc_cfg(pipe);

	mdp4_overlay_dmap_xy(pipe);

	mdp4_overlay_dmap_cfg(mfd, 0);

	mdp4_mixer_stage_commit(pipe->mixer_num);

	wmb();
}
int mdp_lcdc_on(struct platform_device *pdev)
{
	int lcdc_width;
	int lcdc_height;
	int lcdc_bpp;
	int lcdc_border_clr;
	int lcdc_underflow_clr;
	int lcdc_hsync_skew;

	int hsync_period;
	int hsync_ctrl;
	int vsync_period;
	int display_hctl;
	int display_v_start;
	int display_v_end;
	int active_hctl;
	int active_h_start;
	int active_h_end;
	int active_v_start;
	int active_v_end;
	int ctrl_polarity;
	int h_back_porch;
	int h_front_porch;
	int v_back_porch;
	int v_front_porch;
	int hsync_pulse_width;
	int vsync_pulse_width;
	int hsync_polarity;
	int vsync_polarity;
	int data_en_polarity;
	int hsync_start_x;
	int hsync_end_x;
	uint8 *buf;
	int bpp, ptype;
	struct fb_info *fbi;
	struct fb_var_screeninfo *var;
	struct msm_fb_data_type *mfd;
	struct mdp4_overlay_pipe *pipe;
	int ret;

	mfd = (struct msm_fb_data_type *)platform_get_drvdata(pdev);

	if (!mfd)
		return -ENODEV;

	if (mfd->key != MFD_KEY)
		return -EINVAL;

	fbi = mfd->fbi;
	var = &fbi->var;

	/* MDP cmd block enable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
	if (is_mdp4_hw_reset()) {
		mdp4_hw_init();
		outpdw(MDP_BASE + 0x0038, mdp4_display_intf);
	}

	bpp = fbi->var.bits_per_pixel / 8;
	buf = (uint8 *) fbi->fix.smem_start;
	buf += fbi->var.xoffset * bpp +
		fbi->var.yoffset * fbi->fix.line_length;

	if (lcdc_pipe == NULL) {
		ptype = mdp4_overlay_format2type(mfd->fb_imgType);
		if (ptype < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);
		pipe = mdp4_overlay_pipe_alloc(ptype, MDP4_MIXER0, 0);
		if (pipe == NULL)
			printk(KERN_INFO "%s: pipe_alloc failed\n", __func__);
		pipe->pipe_used++;
		pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = mfd->fb_imgType;
		mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_LCDC);
		ret = mdp4_overlay_format2pipe(pipe);
		if (ret < 0)
			printk(KERN_INFO "%s: format2pipe failed\n", __func__);
		lcdc_pipe = pipe; /* keep it */
		init_completion(&lcdc_comp);
	} else {
		pipe = lcdc_pipe;
	}

	pipe->src_height = fbi->var.yres;
	pipe->src_width = fbi->var.xres;
	pipe->src_h = fbi->var.yres;
	pipe->src_w = fbi->var.xres;
	pipe->src_y = 0;
	pipe->src_x = 0;
	pipe->srcp0_addr = (uint32) buf;
	pipe->srcp0_ystride = fbi->fix.line_length;

	mdp4_overlay_dmap_xy(pipe);
	mdp4_overlay_dmap_cfg(mfd, 1);

	mdp4_overlay_rgb_setup(pipe);

	mdp4_mixer_stage_up(pipe);

	mdp4_overlayproc_cfg(pipe);

	/*
	 * LCDC timing setting
	 */
	h_back_porch = var->left_margin;
	h_front_porch = var->right_margin;
	v_back_porch = var->upper_margin;
	v_front_porch = var->lower_margin;
	hsync_pulse_width = var->hsync_len;
	vsync_pulse_width = var->vsync_len;
	lcdc_border_clr = mfd->panel_info.lcdc.border_clr;
	lcdc_underflow_clr = mfd->panel_info.lcdc.underflow_clr;
	lcdc_hsync_skew = mfd->panel_info.lcdc.hsync_skew;

	lcdc_width = var->xres;
	lcdc_height = var->yres;
	lcdc_bpp = mfd->panel_info.bpp;

	hsync_period =
	    hsync_pulse_width + h_back_porch + lcdc_width + h_front_porch;
	hsync_ctrl = (hsync_period << 16) | hsync_pulse_width;
	hsync_start_x = hsync_pulse_width + h_back_porch;
	hsync_end_x = hsync_period - h_front_porch - 1;
	display_hctl = (hsync_end_x << 16) | hsync_start_x;

	vsync_period =
	    (vsync_pulse_width + v_back_porch + lcdc_height +
	     v_front_porch) * hsync_period;
	display_v_start =
	    (vsync_pulse_width + v_back_porch) * hsync_period + lcdc_hsync_skew;
	display_v_end =
	    vsync_period - (v_front_porch * hsync_period) + lcdc_hsync_skew - 1;

	if (lcdc_width != var->xres) {
		active_h_start = hsync_start_x + first_pixel_start_x;
		active_h_end = active_h_start + var->xres - 1;
		active_hctl =
		    ACTIVE_START_X_EN | (active_h_end << 16) | active_h_start;
	} else {
		active_hctl = 0;
	}

	if (lcdc_height != var->yres) {
		active_v_start =
		    display_v_start + first_pixel_start_y * hsync_period;
		active_v_end = active_v_start + (var->yres) * hsync_period - 1;
		active_v_start |= ACTIVE_START_Y_EN;
	} else {
		active_v_start = 0;
		active_v_end = 0;
	}


#ifdef CONFIG_FB_MSM_MDP40
	hsync_polarity = 1;
	vsync_polarity = 1;
	lcdc_underflow_clr |= 0x80000000;	/* enable recovery */
#else
	hsync_polarity = 0;
	vsync_polarity = 0;
#endif
	data_en_polarity = 0;

	ctrl_polarity =
	    (data_en_polarity << 2) | (vsync_polarity << 1) | (hsync_polarity);

	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x4, hsync_ctrl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x8, vsync_period);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0xc, vsync_pulse_width * hsync_period);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x10, display_hctl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x14, display_v_start);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x18, display_v_end);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x28, lcdc_border_clr);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x2c, lcdc_underflow_clr);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x30, lcdc_hsync_skew);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x38, ctrl_polarity);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x1c, active_hctl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x20, active_v_start);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x24, active_v_end);

	mdp4_overlay_reg_flush(pipe, 1);
#ifdef CONFIG_MSM_BUS_SCALING
	mdp_bus_scale_update_request(2);
#endif
	mdp_histogram_ctrl(TRUE);

	ret = panel_next_on(pdev);
	if (ret == 0) {
		/* enable LCDC block */
		MDP_OUTP(MDP_BASE + LCDC_BASE, 1);
		mdp_pipe_ctrl(MDP_OVERLAY0_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
	}
	/* MDP cmd block disable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);

	return ret;
}
int mdp4_dsi_video_on(struct platform_device *pdev)
{
    int dsi_width;
    int dsi_height;
    int dsi_bpp;
    int dsi_border_clr;
    int dsi_underflow_clr;
    int dsi_hsync_skew;

    int hsync_period;
    int hsync_ctrl;
    int vsync_period;
    int display_hctl;
    int display_v_start;
    int display_v_end;
    int active_hctl;
    int active_h_start;
    int active_h_end;
    int active_v_start;
    int active_v_end;
    int ctrl_polarity;
    int h_back_porch;
    int h_front_porch;
    int v_back_porch;
    int v_front_porch;
    int hsync_pulse_width;
    int vsync_pulse_width;
    int hsync_polarity;
    int vsync_polarity;
    int data_en_polarity;
    int hsync_start_x;
    int hsync_end_x;
    uint8 *buf;
    unsigned int buf_offset;
    int bpp, ptype;
    struct fb_info *fbi;
    struct fb_var_screeninfo *var;
    struct msm_fb_data_type *mfd;
    struct mdp4_overlay_pipe *pipe;
    int ret = 0;
    int cndx = 0;
    struct vsycn_ctrl *vctrl;
    struct msm_panel_info *pinfo;

    vctrl = &vsync_ctrl_db[cndx];
    mfd = (struct msm_fb_data_type *)platform_get_drvdata(pdev);
    pinfo = &mfd->panel_info;

    if (!mfd)
        return -ENODEV;

    if (mfd->key != MFD_KEY)
        return -EINVAL;

    vctrl->mfd = mfd;
    vctrl->dev = mfd->fbi->dev;
    vctrl->blt_ctrl = pinfo->lcd.blt_ctrl;

    /* mdp clock on */
    mdp_clk_ctrl(1);

    fbi = mfd->fbi;
    var = &fbi->var;

    bpp = fbi->var.bits_per_pixel / 8;
    buf = (uint8 *) fbi->fix.smem_start;
    buf_offset = calc_fb_offset(mfd, fbi, bpp);

    if (vctrl->base_pipe == NULL) {
        ptype = mdp4_overlay_format2type(mfd->fb_imgType);
        if (ptype < 0)
            printk(KERN_INFO "%s: format2type failed\n", __func__);
        pipe = mdp4_overlay_pipe_alloc(ptype, MDP4_MIXER0);
        if (pipe == NULL) {
            printk(KERN_INFO "%s: pipe_alloc failed\n", __func__);
            return -EBUSY;
        }
        pipe->pipe_used++;
        pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
        pipe->mixer_num  = MDP4_MIXER0;
        pipe->src_format = mfd->fb_imgType;
        mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_DSI_VIDEO);
        ret = mdp4_overlay_format2pipe(pipe);
        if (ret < 0)
            printk(KERN_INFO "%s: format2type failed\n", __func__);

        pipe->ov_blt_addr = 0;
        pipe->dma_blt_addr = 0;
        vctrl->base_pipe = pipe; /* keep it */
        mdp4_init_writeback_buf(mfd, MDP4_MIXER0);

    } else {
        pipe = vctrl->base_pipe;
    }

    if (!(mfd->cont_splash_done)) {
        mfd->cont_splash_done = 1;
        mdp4_dsi_video_wait4dmap_done(0);
        MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 0);
        mipi_dsi_controller_cfg(0);
    }

    pipe->src_height = fbi->var.yres;
    pipe->src_width = fbi->var.xres;
    pipe->src_h = fbi->var.yres;
    pipe->src_w = fbi->var.xres;
    pipe->src_y = 0;
    pipe->src_x = 0;
    pipe->dst_h = fbi->var.yres;
    pipe->dst_w = fbi->var.xres;
    pipe->srcp0_ystride = fbi->fix.line_length;
    pipe->bpp = bpp;

    if (mfd->map_buffer) {
        pipe->srcp0_addr = (unsigned int)mfd->map_buffer->iova[0] + \
                           buf_offset;
        pr_debug("start 0x%lx srcp0_addr 0x%x\n", mfd->
                 map_buffer->iova[0], pipe->srcp0_addr);
    } else {
        pipe->srcp0_addr = (uint32)(buf + buf_offset);
    }

    pipe->dst_h = fbi->var.yres;
    pipe->dst_w = fbi->var.xres;

    mdp4_overlay_mdp_pipe_req(pipe, mfd);

    atomic_set(&vctrl->suspend, 0);

    mdp4_overlay_dmap_xy(pipe);	/* dma_p */
    mdp4_overlay_dmap_cfg(mfd, 1);
    mdp4_overlay_rgb_setup(pipe);
    mdp4_overlayproc_cfg(pipe);

    mdp4_overlay_reg_flush(pipe, 1);

    mdp4_mixer_stage_up(pipe, 0);
    mdp4_mixer_stage_commit(pipe->mixer_num);

    /*
     * DSI timing setting
     */
    h_back_porch = var->left_margin;
    h_front_porch = var->right_margin;
    v_back_porch = var->upper_margin;
    v_front_porch = var->lower_margin;
    hsync_pulse_width = var->hsync_len;
    vsync_pulse_width = var->vsync_len;
    dsi_border_clr = mfd->panel_info.lcdc.border_clr;
    dsi_underflow_clr = mfd->panel_info.lcdc.underflow_clr;
    dsi_hsync_skew = mfd->panel_info.lcdc.hsync_skew;
    dsi_width = mfd->panel_info.xres +
                mfd->panel_info.lcdc.xres_pad;
    dsi_height = mfd->panel_info.yres +
                 mfd->panel_info.lcdc.yres_pad;
    dsi_bpp = mfd->panel_info.bpp;

    hsync_period = hsync_pulse_width + h_back_porch + dsi_width
                   + h_front_porch;
    hsync_ctrl = (hsync_period << 16) | hsync_pulse_width;
    hsync_start_x = h_back_porch + hsync_pulse_width;
    hsync_end_x = hsync_period - h_front_porch - 1;
    display_hctl = (hsync_end_x << 16) | hsync_start_x;

    vsync_period =
        (vsync_pulse_width + v_back_porch + dsi_height + v_front_porch);
    display_v_start = ((vsync_pulse_width + v_back_porch) * hsync_period)
                      + dsi_hsync_skew;
    display_v_end =
        ((vsync_period - v_front_porch) * hsync_period) + dsi_hsync_skew - 1;

    if (dsi_width != var->xres) {
        active_h_start = hsync_start_x + first_pixel_start_x;
        active_h_end = active_h_start + var->xres - 1;
        active_hctl =
            ACTIVE_START_X_EN | (active_h_end << 16) | active_h_start;
    } else {
        active_hctl = 0;
    }

    if (dsi_height != var->yres) {
        active_v_start =
            display_v_start + first_pixel_start_y * hsync_period;
        active_v_end = active_v_start + (var->yres) * hsync_period - 1;
        active_v_start |= ACTIVE_START_Y_EN;
    } else {
        active_v_start = 0;
        active_v_end = 0;
    }

    dsi_underflow_clr |= 0x80000000;	/* enable recovery */
    hsync_polarity = 0;
    vsync_polarity = 0;
    data_en_polarity = 0;

    ctrl_polarity =
        (data_en_polarity << 2) | (vsync_polarity << 1) | (hsync_polarity);

    mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x4, hsync_ctrl);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x8, vsync_period * hsync_period);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0xc,
             vsync_pulse_width * hsync_period);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x10, display_hctl);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x14, display_v_start);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x18, display_v_end);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x1c, active_hctl);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x20, active_v_start);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x24, active_v_end);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x28, dsi_border_clr);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x2c, dsi_underflow_clr);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x30, dsi_hsync_skew);
    MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE + 0x38, ctrl_polarity);
    mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);

    mdp_histogram_ctrl_all(TRUE);

    return ret;
}
/*
 * make sure the MIPI_DSI_WRITEBACK_SIZE defined at boardfile
 * has enough space h * w * 3 * 2
 */
static void mdp4_dsi_video_do_blt(struct msm_fb_data_type *mfd, int enable)
{
	unsigned long flag;
	int cndx = 0;
	struct vsycn_ctrl *vctrl;
	struct mdp4_overlay_pipe *pipe;

	vctrl = &vsync_ctrl_db[cndx];
	pipe = vctrl->base_pipe;

	mdp4_allocate_writeback_buf(mfd, MDP4_MIXER0);

	if (mfd->ov0_wb_buf->write_addr == 0) {
		pr_info("%s: no blt_base assigned\n", __func__);
		return;
	}

	spin_lock_irqsave(&vctrl->spin_lock, flag);
	if (enable && pipe->ov_blt_addr == 0) {
		pipe->ov_blt_addr = mfd->ov0_wb_buf->write_addr;
		pipe->dma_blt_addr = mfd->ov0_wb_buf->read_addr;
		pipe->ov_cnt = 0;
		pipe->dmap_cnt = 0;
		vctrl->ov_koff = 0;
		vctrl->ov_done = 0;
		vctrl->blt_free = 0;
		mdp4_stat.blt_dsi_video++;
		vctrl->blt_change++;
	} else if (enable == 0 && pipe->ov_blt_addr) {
		pipe->ov_blt_addr = 0;
		pipe->dma_blt_addr =  0;
		vctrl->blt_free = 4;	/* 4 commits to free wb buf */
		vctrl->blt_change++;
	}

	pr_info("%s: changed=%d enable=%d ov_blt_addr=%x\n", __func__,
		vctrl->blt_change, enable, (int)pipe->ov_blt_addr);

	if (!vctrl->blt_change) {
		spin_unlock_irqrestore(&vctrl->spin_lock, flag);
		return;
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flag);

	if (vctrl->blt_ctrl == OVERLAY_BLT_SWITCH_TG_OFF) {
		int tg_enabled;

		pr_info("%s: blt enabled by switching TG off\n", __func__);
		vctrl->blt_change = 0;
		tg_enabled = inpdw(MDP_BASE + DSI_VIDEO_BASE) & 0x01;
		if (tg_enabled) {
			mdp4_dsi_video_wait4vsync(cndx);
			MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 0);
			mdp4_dsi_video_wait4dmap_done(0);
		}
		mdp4_overlayproc_cfg(pipe);
		mdp4_overlay_dmap_xy(pipe);
		if (pipe->ov_blt_addr) {
			mdp4_dsi_video_blt_ov_update(pipe);
			pipe->ov_cnt++;
			/* Prefill one frame */
			vsync_irq_enable(INTR_OVERLAY0_DONE,
						MDP_OVERLAY0_TERM);
			/* kickoff overlay0 engine */
			mdp4_stat.kickoff_ov0++;
			vctrl->ov_koff++;	/* make up for prefill */
			outpdw(MDP_BASE + 0x0004, 0);
		}
		if (tg_enabled) {
			/*
			 * need wait for more than 1 ms to
			 * make sure lanes' fifo is empty and
			 * lanes in stop state befroe reset
			 * controller
			 */
			usleep(2000);
			mipi_dsi_sw_reset();
			MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 1);
		}
	}
}
/* LGE_UPDATE_E [email protected] 20110717 hidden_reset_porting from Victor. */
int mdp_lcdc_on(struct platform_device *pdev)
{
	int lcdc_width;
	int lcdc_height;
	int lcdc_bpp;
	int lcdc_border_clr;
	int lcdc_underflow_clr;
	int lcdc_hsync_skew;

	int hsync_period;
	int hsync_ctrl;
	int vsync_period;
	int display_hctl;
	int display_v_start;
	int display_v_end;
	int active_hctl;
	int active_h_start;
	int active_h_end;
	int active_v_start;
	int active_v_end;
	int ctrl_polarity;
	int h_back_porch;
	int h_front_porch;
	int v_back_porch;
	int v_front_porch;
	int hsync_pulse_width;
	int vsync_pulse_width;
	int hsync_polarity;
	int vsync_polarity;
	int data_en_polarity;
	int hsync_start_x;
	int hsync_end_x;
	uint8 *buf;
	unsigned int buf_offset;
	int bpp, ptype;
	struct fb_info *fbi;
	struct fb_var_screeninfo *var;
	struct msm_fb_data_type *mfd;
	struct mdp4_overlay_pipe *pipe;
	int ret;

	mfd = (struct msm_fb_data_type *)platform_get_drvdata(pdev);

	if (!mfd)
		return -ENODEV;

	if (mfd->key != MFD_KEY)
		return -EINVAL;

	mdp4_overlay_ctrl_db_reset();

	fbi = mfd->fbi;
	var = &fbi->var;

	/* MDP cmd block enable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
	if (is_mdp4_hw_reset()) {
		mdp4_hw_init();
		outpdw(MDP_BASE + 0x0038, mdp4_display_intf);
	}

	bpp = fbi->var.bits_per_pixel / 8;
	buf = (uint8 *) fbi->fix.smem_start;
	buf_offset = calc_fb_offset(mfd, fbi, bpp);

	if (lcdc_pipe == NULL) {
		ptype = mdp4_overlay_format2type(mfd->fb_imgType);
		if (ptype < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);
		pipe = mdp4_overlay_pipe_alloc(ptype, MDP4_MIXER0);
		if (pipe == NULL)
			printk(KERN_INFO "%s: pipe_alloc failed\n", __func__);
		pipe->pipe_used++;
		pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = mfd->fb_imgType;
		mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_LCDC);
		ret = mdp4_overlay_format2pipe(pipe);
		if (ret < 0)
			printk(KERN_INFO "%s: format2pipe failed\n", __func__);
		lcdc_pipe = pipe; /* keep it */
		init_completion(&lcdc_comp);

		mdp4_init_writeback_buf(mfd, MDP4_MIXER0);
		pipe->blt_addr = 0;

	} else {
		pipe = lcdc_pipe;
	}

	pipe->src_height = fbi->var.yres;
	pipe->src_width = fbi->var.xres;
	pipe->src_h = fbi->var.yres;
	pipe->src_w = fbi->var.xres;
	pipe->src_y = 0;
	pipe->src_x = 0;
	if (mfd->map_buffer) {
		pipe->srcp0_addr = (unsigned int)mfd->map_buffer->iova[0] + \
			buf_offset;
		pr_debug("start 0x%lx srcp0_addr 0x%x\n", mfd->
			map_buffer->iova[0], pipe->srcp0_addr);
	} else {
		pipe->srcp0_addr = (uint32)(buf + buf_offset);
	}

	pipe->srcp0_ystride = fbi->fix.line_length;
	pipe->bpp = bpp;

	mdp4_overlay_dmap_xy(pipe);
	mdp4_overlay_dmap_cfg(mfd, 1);

	mdp4_overlay_rgb_setup(pipe);

	mdp4_mixer_stage_up(pipe);

	mdp4_overlayproc_cfg(pipe);

	/*
	 * LCDC timing setting
	 */
	h_back_porch = var->left_margin;
	h_front_porch = var->right_margin;
	v_back_porch = var->upper_margin;
	v_front_porch = var->lower_margin;
	hsync_pulse_width = var->hsync_len;
	vsync_pulse_width = var->vsync_len;
	lcdc_border_clr = mfd->panel_info.lcdc.border_clr;
	lcdc_underflow_clr = mfd->panel_info.lcdc.underflow_clr;
	lcdc_hsync_skew = mfd->panel_info.lcdc.hsync_skew;

	lcdc_width = var->xres;
	lcdc_height = var->yres;
	lcdc_bpp = mfd->panel_info.bpp;

	hsync_period =
	    hsync_pulse_width + h_back_porch + lcdc_width + h_front_porch;
	hsync_ctrl = (hsync_period << 16) | hsync_pulse_width;
	hsync_start_x = hsync_pulse_width + h_back_porch;
	hsync_end_x = hsync_period - h_front_porch - 1;
	display_hctl = (hsync_end_x << 16) | hsync_start_x;

	vsync_period =
	    (vsync_pulse_width + v_back_porch + lcdc_height +
	     v_front_porch) * hsync_period;
	display_v_start =
	    (vsync_pulse_width + v_back_porch) * hsync_period + lcdc_hsync_skew;
	display_v_end =
	    vsync_period - (v_front_porch * hsync_period) + lcdc_hsync_skew - 1;

	if (lcdc_width != var->xres) {
		active_h_start = hsync_start_x + first_pixel_start_x;
		active_h_end = active_h_start + var->xres - 1;
		active_hctl =
		    ACTIVE_START_X_EN | (active_h_end << 16) | active_h_start;
	} else {
		active_hctl = 0;
	}

	if (lcdc_height != var->yres) {
		active_v_start =
		    display_v_start + first_pixel_start_y * hsync_period;
		active_v_end = active_v_start + (var->yres) * hsync_period - 1;
		active_v_start |= ACTIVE_START_Y_EN;
	} else {
		active_v_start = 0;
		active_v_end = 0;
	}


#ifdef CONFIG_FB_MSM_MDP40
	hsync_polarity = 1;
	vsync_polarity = 1;
	lcdc_underflow_clr |= 0x80000000;	/* enable recovery */
#else
	hsync_polarity = 0;
	vsync_polarity = 0;
#endif
	data_en_polarity = 0;

	ctrl_polarity =
	    (data_en_polarity << 2) | (vsync_polarity << 1) | (hsync_polarity);

	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x4, hsync_ctrl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x8, vsync_period);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0xc, vsync_pulse_width * hsync_period);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x10, display_hctl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x14, display_v_start);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x18, display_v_end);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x28, lcdc_border_clr);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x2c, lcdc_underflow_clr);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x30, lcdc_hsync_skew);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x38, ctrl_polarity);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x1c, active_hctl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x20, active_v_start);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x24, active_v_end);

	mdp4_overlay_reg_flush(pipe, 1);

#ifdef CONFIG_MSM_BUS_SCALING
	mdp_bus_scale_update_request(2);
#endif
	mdp_histogram_ctrl_all(TRUE);

/* LGE_UPDATE_S [email protected] QCT404032I patch */
#if 0
	mdp_intr_mask &= ~(INTR_OVERLAY0_DONE | INTR_DMA_P_DONE);
	mdp_intr_mask |= INTR_PRIMARY_VSYNC; /* listen on vsycn only */
	outp32(MDP_INTR_ENABLE, mdp_intr_mask);
	mdp_enable_irq(MDP_DMA2_TERM);	/* enable intr */
#endif
/* LGE_UPDATE_E [email protected] QCT404032I patch */

#ifdef CONFIG_FB_MSM_LCDC_LGDISPLAY_WVGA_OLED /* LGE_CHANGE */
	/* enable LCDC block */
	MDP_OUTP(MDP_BASE + LCDC_BASE, 1);
	mdp_pipe_ctrl(MDP_OVERLAY0_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
	msleep(16);
	ret = panel_next_on(pdev);
#else
	ret = panel_next_on(pdev);
#endif
	/* MDP cmd block disable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);

	if( ret >= 0 ) {  // taeyol
    	unsigned long flag;
    	spin_lock_irqsave(&mdp_spin_lock, flag);
		mdp4_lcdc_on_state = TRUE;      
		spin_unlock_irqrestore(&mdp_spin_lock, flag);
	}

	return ret;
}
/*
 * make sure the MIPI_DSI_WRITEBACK_SIZE defined at boardfile
 * has enough space h * w * 3 * 2
 */
static void mdp4_dsi_video_do_blt(struct msm_fb_data_type *mfd, int enable)
{
	unsigned long flag;
	int cndx = 0;
	struct vsycn_ctrl *vctrl;
	struct mdp4_overlay_pipe *pipe;

	vctrl = &vsync_ctrl_db[cndx];
	pipe = vctrl->base_pipe;

	mdp4_allocate_writeback_buf(mfd, MDP4_MIXER0);

	if (mfd->ov0_wb_buf->write_addr == 0) {
		pr_info("%s: no blt_base assigned\n", __func__);
		return;
	}

	spin_lock_irqsave(&vctrl->spin_lock, flag);
	if (enable && pipe->ov_blt_addr == 0) {
		pipe->ov_blt_addr = mfd->ov0_wb_buf->write_addr;
		pipe->dma_blt_addr = mfd->ov0_wb_buf->read_addr;
		pipe->ov_cnt = 0;
		pipe->dmap_cnt = 0;
		vctrl->ov_koff = 0;
		vctrl->ov_done = 0;
		vctrl->blt_free = 0;
		mdp4_stat.blt_dsi_video++;
		vctrl->blt_change++;
	} else if (enable == 0 && pipe->ov_blt_addr) {
		pipe->ov_blt_addr = 0;
		pipe->dma_blt_addr =  0;
		vctrl->blt_free = 4;	/* 4 commits to free wb buf */
		vctrl->blt_change++;
	}

	pr_info("%s: changed=%d enable=%d ov_blt_addr=%x\n", __func__,
		vctrl->blt_change, enable, (int)pipe->ov_blt_addr);

	if (!vctrl->blt_change) {
		spin_unlock_irqrestore(&vctrl->spin_lock, flag);
		return;
	}

	spin_unlock_irqrestore(&vctrl->spin_lock, flag);

	if (mdp_ov0_blt_ctl == MDP4_BLT_SWITCH_TG_OFF) {
		int tg_enabled;
		long long  vtime;
		tg_enabled = inpdw(MDP_BASE + DSI_VIDEO_BASE) & 0x01;
		if (tg_enabled) {
			mdp4_dsi_video_wait4vsync(0, &vtime);
			MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 0);
			mdp4_dsi_video_wait4dmap_done(0);
		}
		mdp4_overlayproc_cfg(pipe);
		mdp4_overlay_dmap_xy(pipe);
		vctrl->blt_change = 0;
		if (tg_enabled) {
			mipi_dsi_sw_reset();
			MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 1);
		}
	}
}
Ejemplo n.º 13
0
void mdp4_overlay_update_lcd(struct msm_fb_data_type *mfd)
{
	MDPIBUF *iBuf = &mfd->ibuf;
	uint8 *src;
	int ptype;
	uint32 mddi_ld_param;
	uint16 mddi_vdo_packet_reg;
	struct mdp4_overlay_pipe *pipe;
	int ret;

	if (mfd->key != MFD_KEY)
		return;

	mddi_mfd = mfd;		/* keep it */

	/* MDP cmd block enable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);

	if (mddi_pipe == NULL) {
		ptype = mdp4_overlay_format2type(mfd->fb_imgType);
		if (ptype < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);
		pipe = mdp4_overlay_pipe_alloc(ptype, MDP4_MIXER0);
		if (pipe == NULL)
			printk(KERN_INFO "%s: pipe_alloc failed\n", __func__);
		pipe->pipe_used++;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = mfd->fb_imgType;
		mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_MDDI);
		ret = mdp4_overlay_format2pipe(pipe);
		if (ret < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);

		mddi_pipe = pipe; /* keep it */
		mddi_ld_param = 0;
		mddi_vdo_packet_reg = mfd->panel_info.mddi.vdopkt;

		if (mdp_hw_revision == MDP4_REVISION_V2_1) {
			uint32	data;

			data = inpdw(MDP_BASE + 0x0028);
			data &= ~0x0300;	/* bit 8, 9, MASTER4 */
			if (mfd->fbi->var.xres == 540) /* qHD, 540x960 */
				data |= 0x0200;
			else
				data |= 0x0100;

			MDP_OUTP(MDP_BASE + 0x00028, data);
		}

		if (mfd->panel_info.type == MDDI_PANEL) {
			if (mfd->panel_info.pdest == DISPLAY_1)
				mddi_ld_param = 0;
			else
				mddi_ld_param = 1;
		} else {
			mddi_ld_param = 2;
		}

		MDP_OUTP(MDP_BASE + 0x00090, mddi_ld_param);

		if (mfd->panel_info.bpp == 24)
			MDP_OUTP(MDP_BASE + 0x00094,
			 (MDDI_VDO_PACKET_DESC_24 << 16) | mddi_vdo_packet_reg);
		else if (mfd->panel_info.bpp == 16)
			MDP_OUTP(MDP_BASE + 0x00094,
			 (MDDI_VDO_PACKET_DESC_16 << 16) | mddi_vdo_packet_reg);
		else
			MDP_OUTP(MDP_BASE + 0x00094,
			 (MDDI_VDO_PACKET_DESC << 16) | mddi_vdo_packet_reg);

		MDP_OUTP(MDP_BASE + 0x00098, 0x01);
		mdp4_init_writeback_buf(mfd, MDP4_MIXER0);
		pipe->ov_blt_addr = 0;
		pipe->dma_blt_addr = 0;
	} else {
		pipe = mddi_pipe;
	}

	/* 0 for dma_p, client_id = 0 */
	MDP_OUTP(MDP_BASE + 0x00090, 0);


	src = (uint8 *) iBuf->buf;

#ifdef WHOLESCREEN

	{
		struct fb_info *fbi;

		fbi = mfd->fbi;
		pipe->src_height = fbi->var.yres;
		pipe->src_width = fbi->var.xres;
		pipe->src_h = fbi->var.yres;
		pipe->src_w = fbi->var.xres;
		pipe->src_y = 0;
		pipe->src_x = 0;
		pipe->dst_h = fbi->var.yres;
		pipe->dst_w = fbi->var.xres;
		pipe->dst_y = 0;
		pipe->dst_x = 0;
		pipe->srcp0_addr = (uint32)src;
		pipe->srcp0_ystride = fbi->fix.line_length;
	}

#else
	if (mdp4_overlay_active(MDP4_MIXER0)) {
		struct fb_info *fbi;

		fbi = mfd->fbi;
		pipe->src_height = fbi->var.yres;
		pipe->src_width = fbi->var.xres;
		pipe->src_h = fbi->var.yres;
		pipe->src_w = fbi->var.xres;
		pipe->src_y = 0;
		pipe->src_x = 0;
		pipe->dst_h = fbi->var.yres;
		pipe->dst_w = fbi->var.xres;
		pipe->dst_y = 0;
		pipe->dst_x = 0;
		pipe->srcp0_addr = (uint32) src;
		pipe->srcp0_ystride = fbi->fix.line_length;
	} else {
		/* starting input address */
		src += (iBuf->dma_x + iBuf->dma_y * iBuf->ibuf_width)
					* iBuf->bpp;

		pipe->src_height = iBuf->dma_h;
		pipe->src_width = iBuf->dma_w;
		pipe->src_h = iBuf->dma_h;
		pipe->src_w = iBuf->dma_w;
		pipe->src_y = 0;
		pipe->src_x = 0;
		pipe->dst_h = iBuf->dma_h;
		pipe->dst_w = iBuf->dma_w;
		pipe->dst_y = iBuf->dma_y;
		pipe->dst_x = iBuf->dma_x;
		pipe->srcp0_addr = (uint32) src;
		pipe->srcp0_ystride = iBuf->ibuf_width * iBuf->bpp;
	}
#endif

	pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;

	mdp4_overlay_rgb_setup(pipe);

	mdp4_mixer_stage_up(pipe);

	mdp4_overlayproc_cfg(pipe);

	mdp4_overlay_dmap_xy(pipe);

	mdp4_overlay_dmap_cfg(mfd, 0);
	mdp4_mixer_stage_commit(pipe->mixer_num);
	mdp4_mddi_vsync_enable(mfd, pipe, 0);

	/* MDP cmd block disable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);
}
int mdp_lcdc_on(struct platform_device *pdev)
{
	int lcdc_width;
	int lcdc_height;
	int lcdc_bpp;
	int lcdc_border_clr;
	int lcdc_underflow_clr;
	int lcdc_hsync_skew;

	int hsync_period;
	int hsync_ctrl;
	int vsync_period;
	int display_hctl;
	int display_v_start;
	int display_v_end;
	int active_hctl;
	int active_h_start;
	int active_h_end;
	int active_v_start;
	int active_v_end;
	int ctrl_polarity;
	int h_back_porch;
	int h_front_porch;
	int v_back_porch;
	int v_front_porch;
	int hsync_pulse_width;
	int vsync_pulse_width;
	int hsync_polarity;
	int vsync_polarity;
	int data_en_polarity;
	int hsync_start_x;
	int hsync_end_x;
	uint8 *buf;
	int bpp, ptype;
	uint32 format;
	struct fb_info *fbi;
	struct fb_var_screeninfo *var;
	struct msm_fb_data_type *mfd;
	struct mdp4_overlay_pipe *pipe;
	int ret;

	mfd = (struct msm_fb_data_type *)platform_get_drvdata(pdev);

	if (!mfd)
		return -ENODEV;

	if (mfd->key != MFD_KEY)
		return -EINVAL;

	fbi = mfd->fbi;
	var = &fbi->var;

	/* MDP cmd block enable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);

	bpp = fbi->var.bits_per_pixel / 8;
	buf = (uint8 *) fbi->fix.smem_start;
	buf += fbi->var.xoffset * bpp +
		fbi->var.yoffset * fbi->fix.line_length;

	if (bpp == 2)
		format = MDP_RGB_565;
	else if (bpp == 3)
		format = MDP_RGB_888;
	else
		format = MDP_ARGB_8888;


	if (lcdc_pipe == NULL) {
		ptype = mdp4_overlay_format2type(format);
		pipe = mdp4_overlay_pipe_alloc();
		pipe->pipe_type = ptype;
		/* use RGB1 pipe */
		pipe->pipe_num  = OVERLAY_PIPE_RGB1;
		pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = format;
		mdp4_overlay_format2pipe(pipe);

		lcdc_pipe = pipe; /* keep it */
	} else {
		pipe = lcdc_pipe;
	}

	pipe->src_height = fbi->var.yres;
	pipe->src_width = fbi->var.xres;
	pipe->src_h = fbi->var.yres;
	pipe->src_w = fbi->var.xres;
	pipe->src_y = 0;
	pipe->src_x = 0;
	pipe->srcp0_addr = (uint32) buf;
	pipe->srcp0_ystride = fbi->fix.line_length;

	mdp4_overlay_dmap_xy(pipe);
	mdp4_overlay_dmap_cfg(mfd, 1);

	mdp4_overlay_rgb_setup(pipe);

	mdp4_mixer_stage_up(pipe);

	mdp4_overlayproc_cfg(pipe);

	/*
	 * LCDC timing setting
	 */
	h_back_porch = var->left_margin;
	h_front_porch = var->right_margin;
	v_back_porch = var->upper_margin;
	v_front_porch = var->lower_margin;
	hsync_pulse_width = var->hsync_len;
	vsync_pulse_width = var->vsync_len;
	lcdc_border_clr = mfd->panel_info.lcdc.border_clr;
	lcdc_underflow_clr = mfd->panel_info.lcdc.underflow_clr;
	lcdc_hsync_skew = mfd->panel_info.lcdc.hsync_skew;

	lcdc_width = mfd->panel_info.xres;
	lcdc_height = mfd->panel_info.yres;
	lcdc_bpp = mfd->panel_info.bpp;

	hsync_period =
	    hsync_pulse_width + h_back_porch + lcdc_width + h_front_porch;
	hsync_ctrl = (hsync_period << 16) | hsync_pulse_width;
	hsync_start_x = hsync_pulse_width + h_back_porch;
	hsync_end_x = hsync_period - h_front_porch - 1;
	display_hctl = (hsync_end_x << 16) | hsync_start_x;

	vsync_period =
	    (vsync_pulse_width + v_back_porch + lcdc_height +
	     v_front_porch) * hsync_period;
	display_v_start =
	    (vsync_pulse_width + v_back_porch) * hsync_period + lcdc_hsync_skew;
	display_v_end =
	    vsync_period - (v_front_porch * hsync_period) + lcdc_hsync_skew - 1;

	if (lcdc_width != var->xres) {
		active_h_start = hsync_start_x + first_pixel_start_x;
		active_h_end = active_h_start + var->xres - 1;
		active_hctl =
		    ACTIVE_START_X_EN | (active_h_end << 16) | active_h_start;
	} else {
		active_hctl = 0;
	}

	if (lcdc_height != var->yres) {
		active_v_start =
		    display_v_start + first_pixel_start_y * hsync_period;
		active_v_end = active_v_start + (var->yres) * hsync_period - 1;
		active_v_start |= ACTIVE_START_Y_EN;
	} else {
		active_v_start = 0;
		active_v_end = 0;
	}


#ifdef CONFIG_FB_MSM_MDP40
	hsync_polarity = 1;
	vsync_polarity = 1;
	lcdc_underflow_clr |= 0x80000000;	/* enable recovery */
#else
	hsync_polarity = 0;
	vsync_polarity = 0;
#endif
	data_en_polarity = 0;

	ctrl_polarity =
	    (data_en_polarity << 2) | (vsync_polarity << 1) | (hsync_polarity);

	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x4, hsync_ctrl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x8, vsync_period);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0xc, vsync_pulse_width * hsync_period);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x10, display_hctl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x14, display_v_start);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x18, display_v_end);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x28, lcdc_border_clr);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x2c, lcdc_underflow_clr);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x30, lcdc_hsync_skew);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x38, ctrl_polarity);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x1c, active_hctl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x20, active_v_start);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x24, active_v_end);

	ret = panel_next_on(pdev);
	if (ret == 0) {
		/* enable LCDC block */
		MDP_OUTP(MDP_BASE + LCDC_BASE, 1);
		mdp_pipe_ctrl(MDP_DMA2_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
	}
	/* MDP cmd block disable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);

	return ret;
}
Ejemplo n.º 15
0
int mdp4_dsi_cmd_pipe_commit(int cndx, int wait)
{
	int  i, undx;
	int mixer = 0;
	struct vsycn_ctrl *vctrl;
	struct vsync_update *vp;
	struct mdp4_overlay_pipe *pipe;
	struct mdp4_overlay_pipe *real_pipe;
	unsigned long flags;
	int need_dmap_wait = 0;
	int need_ov_wait = 0;
	int cnt = 0;

	vctrl = &vsync_ctrl_db[0];

	mutex_lock(&vctrl->update_lock);
	undx =  vctrl->update_ndx;
	vp = &vctrl->vlist[undx];
	pipe = vctrl->base_pipe;
	if (pipe == NULL) {
		pr_err("%s: NO base pipe\n", __func__);
		mutex_unlock(&vctrl->update_lock);
		return 0;
	}

	mixer = pipe->mixer_num;

	mdp_update_pm(vctrl->mfd, vctrl->vsync_time);

	/*
	 * allow stage_commit without pipes queued
	 * (vp->update_cnt == 0) to unstage pipes after
	 * overlay_unset
	 */

	vctrl->update_ndx++;
	vctrl->update_ndx &= 0x01;
	vp->update_cnt = 0;     /* reset */
	if (vctrl->blt_free) {
		vctrl->blt_free--;
		if (vctrl->blt_free == 0)
			mdp4_free_writeback_buf(vctrl->mfd, mixer);
	}

	if (mdp4_dsi_cmd_clk_check(vctrl) < 0) {
		mdp4_dsi_cmd_pipe_clean(vp);
		mutex_unlock(&vctrl->update_lock);
		return 0;
	}
	mutex_unlock(&vctrl->update_lock);

	/* free previous committed iommu back to pool */
	mdp4_overlay_iommu_unmap_freelist(mixer);

	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (pipe->ov_blt_addr) {
		/* Blt */
		if (vctrl->blt_wait) {
			INIT_COMPLETION(vctrl->dmap_comp);
			need_dmap_wait = 1;
		}
		if (vctrl->ov_koff != vctrl->ov_done) {
			INIT_COMPLETION(vctrl->ov_comp);
			need_ov_wait = 1;
		}
	} else {
		/* direct out */
		if (vctrl->dmap_koff != vctrl->dmap_done) {
			INIT_COMPLETION(vctrl->dmap_comp);
			pr_debug("%s: wait, ok=%d od=%d dk=%d dd=%d cpu=%d\n",
			 __func__, vctrl->ov_koff, vctrl->ov_done,
			vctrl->dmap_koff, vctrl->dmap_done, smp_processor_id());
			need_dmap_wait = 1;
		}
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	if (need_dmap_wait) {
		pr_debug("%s: wait4dmap\n", __func__);
		mdp4_dsi_cmd_wait4dmap(0);
	}

	if (need_ov_wait) {
		pr_debug("%s: wait4ov\n", __func__);
		mdp4_dsi_cmd_wait4ov(0);
	}

	if (pipe->ov_blt_addr) {
		if (vctrl->blt_end) {
			vctrl->blt_end = 0;
			pipe->ov_blt_addr = 0;
			pipe->dma_blt_addr =  0;
		}
	}

	if (vctrl->blt_change) {
		mdp4_overlayproc_cfg(pipe);
		mdp4_overlay_dmap_xy(pipe);
		vctrl->blt_change = 0;
	}

	pipe = vp->plist;
	for (i = 0; i < OVERLAY_PIPE_MAX; i++, pipe++) {
		if (pipe->pipe_used) {
			cnt++;
			real_pipe = mdp4_overlay_ndx2pipe(pipe->pipe_ndx);
			if (real_pipe && real_pipe->pipe_used) {
				/* pipe not unset */
				mdp4_overlay_vsync_commit(pipe);
			}
			/* free previous iommu to freelist
			* which will be freed at next
			* pipe_commit
			*/
			mdp4_overlay_iommu_pipe_free(pipe->pipe_ndx, 0);
			pipe->pipe_used = 0; /* clear */
		}
	}

	/* tx dcs command if had any */
	mipi_dsi_cmdlist_commit(1);

	mdp4_mixer_stage_commit(mixer);

	pipe = vctrl->base_pipe;
	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (pipe->ov_blt_addr) {
		mdp4_dsi_cmd_blt_ov_update(pipe);
		pipe->ov_cnt++;
		vctrl->ov_koff++;
		INIT_COMPLETION(vctrl->ov_comp);
		vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
	} else {
		INIT_COMPLETION(vctrl->dmap_comp);
		vsync_irq_enable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
		vctrl->dmap_koff++;
	}
	pr_debug("%s: kickoff, pid=%d\n", __func__, current->pid);
	/* kickoff overlay engine */
	mdp4_stat.kickoff_ov0++;
	mdp_pipe_kickoff_simplified(MDP_OVERLAY0_TERM);
	mb(); /* make sure kickoff ececuted */
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	mdp4_stat.overlay_commit[pipe->mixer_num]++;

	if (wait) {
		if (pipe->ov_blt_addr)
			mdp4_dsi_cmd_wait4ov(0);
		else
			mdp4_dsi_cmd_wait4dmap(0);
	}

	return cnt;
}
int mdp4_dsi_cmd_pipe_commit(void)
{

	int  i, undx, cnt;
	int mixer = 0;
	struct vsycn_ctrl *vctrl;
	struct vsync_update *vp;
	struct mdp4_overlay_pipe *pipe;
	unsigned long flags;
	int diff;

	vctrl = &vsync_ctrl_db[0];
	mutex_lock(&vctrl->update_lock);
	undx =  vctrl->update_ndx;
	vp = &vctrl->vlist[undx];
	pipe = vctrl->base_pipe;
	mixer = pipe->mixer_num;

	pr_debug("%s: vndx=%d cnt=%d expire=%x pid=%d\n", __func__,
		undx, vp->update_cnt, vctrl->expire_tick, current->pid);

	cnt = 0;
	if (vp->update_cnt == 0) {
		mutex_unlock(&vctrl->update_lock);
		return cnt;
	}
	vctrl->update_ndx++;
	vctrl->update_ndx &= 0x01;
	vctrl->commit_cnt++;
	vp->update_cnt = 0;	/* reset */
	mutex_unlock(&vctrl->update_lock);

	mdp4_backlight_commit_level(vctrl);

	/* free previous committed iommu back to pool */
	mdp4_overlay_iommu_unmap_freelist(mixer);

	pipe = vp->plist;
	for (i = 0; i < OVERLAY_PIPE_MAX; i++, pipe++) {
		if (pipe->pipe_used) {
			cnt++;
			mdp4_overlay_vsync_commit(pipe);
			/* free previous iommu to freelist
			 * which will be freed at next
			 * pipe_commit
			 */
			mdp4_overlay_iommu_pipe_free(pipe->pipe_ndx, 0);
			pipe->pipe_used = 0; /* clear */
		}
	}
	mdp4_mixer_stage_commit(mixer);


	pr_debug("%s: intr=%d expire=%d cpu=%d\n", __func__,
		vctrl->rdptr_intr_tot, vctrl->expire_tick, smp_processor_id());

	spin_lock_irqsave(&vctrl->spin_lock, flags);
	pipe = vctrl->base_pipe;
	if (pipe->blt_changed) {
		/* blt configurtion changed */
		pipe->blt_changed = 0;
		mdp4_overlayproc_cfg(pipe);
		mdp4_overlay_dmap_xy(pipe);
	}

	if (pipe->ov_blt_addr) {
		diff = pipe->blt_ov_koff - pipe->blt_ov_done;
		if (diff < 1) {
			mdp4_blt_overlay0_cfg(pipe);
			vsync_commit_kickoff_ov0(pipe, 1);
		}
	} else {
		vsync_commit_kickoff_ov0(pipe, 0);
	}

	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	return cnt;
}
Ejemplo n.º 17
0
/*
 * make sure the MIPI_DSI_WRITEBACK_SIZE defined at boardfile
 * has enough space h * w * 3 * 2
 */
static void mdp4_dsi_video_do_blt(struct msm_fb_data_type *mfd, int enable)
{
    unsigned long flag;
    int cndx = 0;
    struct vsycn_ctrl *vctrl;
    struct mdp4_overlay_pipe *pipe;


    vctrl = &vsync_ctrl_db[cndx];
    pipe = vctrl->base_pipe;

    mdp4_allocate_writeback_buf(mfd, MDP4_MIXER0);

    if (mfd->ov0_wb_buf->write_addr == 0) {
        pr_info("%s: no blt_base assigned\n", __func__);
        return;
    }
#ifdef BLT_MODE_CHANGE_ISSUE
    wake_lock(&blt_mode_perf_up);
#endif
    spin_lock_irqsave(&vctrl->spin_lock, flag);
    if (enable && pipe->ov_blt_addr == 0) {
        pipe->ov_blt_addr = mfd->ov0_wb_buf->write_addr;
        pipe->dma_blt_addr = mfd->ov0_wb_buf->read_addr;
        pipe->ov_cnt = 0;
        pipe->dmap_cnt = 0;
        vctrl->ov_koff = 0;
        vctrl->ov_done = 0;
        vctrl->blt_free = 0;
        mdp4_stat.blt_dsi_video++;
        vctrl->blt_change++;
    } else if (enable == 0 && pipe->ov_blt_addr) {
        pipe->ov_blt_addr = 0;
        pipe->dma_blt_addr =  0;
        vctrl->blt_free = 4;	/* 4 commits to free wb buf */
        vctrl->blt_change++;
    }

    __DLOG__( vctrl->blt_change, enable, (int)pipe->ov_blt_addr);

    pr_info("%s: changed=%d enable=%d ov_blt_addr=%x\n", __func__,
            vctrl->blt_change, enable, (int)pipe->ov_blt_addr);

    if (!vctrl->blt_change) {
        spin_unlock_irqrestore(&vctrl->spin_lock, flag);
#ifdef BLT_MODE_CHANGE_ISSUE
        wake_unlock(&blt_mode_perf_up);
#endif
        return;
    }
    spin_unlock_irqrestore(&vctrl->spin_lock, flag);

    if (vctrl->blt_ctrl == BLT_SWITCH_TG_OFF) {
        int tg_enabled;

        vctrl->blt_change = 0;
        tg_enabled = inpdw(MDP_BASE + DSI_VIDEO_BASE) & 0x01;
        if (tg_enabled) {
            mdp4_dsi_video_wait4vsync(cndx);
            MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 0);
            mdp4_dsi_video_wait4dmap_done(0);
        }
        mdp4_overlayproc_cfg(pipe);
        mdp4_overlay_dmap_xy(pipe);
        if (tg_enabled) {
            /*
            * need wait for more than 1 ms to
            * make sure dsi lanes' fifo is empty and
            * lanes in stop state befroe reset
            * controller
            */
            usleep(2000);
            mipi_dsi_sw_reset();
            MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 1);
        }
    }
}
Ejemplo n.º 18
0
void mdp4_overlay_update_lcd(struct msm_fb_data_type *mfd)
{
	MDPIBUF *iBuf = &mfd->ibuf;
	uint8 *src;
	int ptype;
	uint32 mddi_ld_param;
	uint16 mddi_vdo_packet_reg;
	struct mdp4_overlay_pipe *pipe;
	int ret;

	if (mfd->key != MFD_KEY)
		return;

	mddi_mfd = mfd;		/* keep it */

	/* MDP cmd block enable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);

	if (mddi_pipe == NULL) {
		ptype = mdp4_overlay_format2type(mfd->fb_imgType);
		if (ptype < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);
		pipe = mdp4_overlay_pipe_alloc(ptype, FALSE);
		if (pipe == NULL)
			printk(KERN_INFO "%s: pipe_alloc failed\n", __func__);
		pipe->pipe_used++;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = mfd->fb_imgType;
		mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_MDDI);
		ret = mdp4_overlay_format2pipe(pipe);
		if (ret < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);

		mddi_pipe = pipe; /* keep it */

		init_completion(&mddi_delay_comp);
#ifdef MDDI_TIMER
		init_timer(&mddi_timer);
		mddi_timer.function = mddi_delay_tout;
		mddi_timer.data = 0;
#else
		init_completion(&mddi_delay_comp);
		mdp_intr_mask |= INTR_PRIMARY_READ_PTR;
		outp32(MDP_INTR_ENABLE, mdp_intr_mask);
		MDP_OUTP(MDP_BASE + 0x0021c, 0x10);
#endif

		mddi_pipe->blt_end = 1;	/* mark as end */

		mddi_ld_param = 0;
		mddi_vdo_packet_reg = mfd->panel_info.mddi.vdopkt;

		if (mfd->panel_info.type == MDDI_PANEL) {
			if (mfd->panel_info.pdest == DISPLAY_1)
				mddi_ld_param = 0;
			else
				mddi_ld_param = 1;
		} else {
			mddi_ld_param = 2;
		}

		MDP_OUTP(MDP_BASE + 0x00090, mddi_ld_param);

		if (mfd->panel_info.bpp == 24)
			MDP_OUTP(MDP_BASE + 0x00094,
			 (MDDI_VDO_PACKET_DESC_24 << 16) | mddi_vdo_packet_reg);
		else if (mfd->panel_info.bpp == 16)
			MDP_OUTP(MDP_BASE + 0x00094,
			 (MDDI_VDO_PACKET_DESC_16 << 16) | mddi_vdo_packet_reg);
		else
			MDP_OUTP(MDP_BASE + 0x00094,
			 (MDDI_VDO_PACKET_DESC << 16) | mddi_vdo_packet_reg);

		MDP_OUTP(MDP_BASE + 0x00098, 0x01);
	} else {
		pipe = mddi_pipe;
	}

	/* 0 for dma_p, client_id = 0 */
	MDP_OUTP(MDP_BASE + 0x00090, 0);


	src = (uint8 *) iBuf->buf;

#ifdef WHOLESCREEN

	{
		struct fb_info *fbi;

		fbi = mfd->fbi;
		pipe->src_height = fbi->var.yres;
		pipe->src_width = fbi->var.xres;
		pipe->src_h = fbi->var.yres;
		pipe->src_w = fbi->var.xres;
		pipe->src_y = 0;
		pipe->src_x = 0;
		pipe->dst_h = fbi->var.yres;
		pipe->dst_w = fbi->var.xres;
		pipe->dst_y = 0;
		pipe->dst_x = 0;
		pipe->srcp0_addr = (uint32)src;
		pipe->srcp0_ystride = fbi->fix.line_length;
	}

#else
	if (mdp4_overlay_active(MDP4_MIXER0)) {
		struct fb_info *fbi;

		fbi = mfd->fbi;
		pipe->src_height = fbi->var.yres;
		pipe->src_width = fbi->var.xres;
		pipe->src_h = fbi->var.yres;
		pipe->src_w = fbi->var.xres;
		pipe->src_y = 0;
		pipe->src_x = 0;
		pipe->dst_h = fbi->var.yres;
		pipe->dst_w = fbi->var.xres;
		pipe->dst_y = 0;
		pipe->dst_x = 0;
		pipe->srcp0_addr = (uint32) src;
		pipe->srcp0_ystride = fbi->fix.line_length;
	} else {
		/* starting input address */
		src += (iBuf->dma_x + iBuf->dma_y * iBuf->ibuf_width)
					* iBuf->bpp;

		pipe->src_height = iBuf->dma_h;
		pipe->src_width = iBuf->dma_w;
		pipe->src_h = iBuf->dma_h;
		pipe->src_w = iBuf->dma_w;
		pipe->src_y = 0;
		pipe->src_x = 0;
		pipe->dst_h = iBuf->dma_h;
		pipe->dst_w = iBuf->dma_w;
		pipe->dst_y = iBuf->dma_y;
		pipe->dst_x = iBuf->dma_x;
		pipe->srcp0_addr = (uint32) src;
		pipe->srcp0_ystride = iBuf->ibuf_width * iBuf->bpp;
	}
#endif

	pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;

	mdp4_overlay_rgb_setup(pipe);

	mdp4_mixer_stage_up(pipe);

	mdp4_overlayproc_cfg(pipe);

	mdp4_overlay_dmap_xy(pipe);

	mdp4_overlay_dmap_cfg(mfd, 0);

	mdp4_mddi_vsync_enable(mfd, pipe, 0);

	/* MDP cmd block disable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);

}
Ejemplo n.º 19
0
int mdp4_dsi_cmd_pipe_commit(int cndx, int wait)
{
	int  i, undx;
	int mixer = 0;
	struct vsycn_ctrl *vctrl;
	struct vsync_update *vp;
	struct mdp4_overlay_pipe *pipe;
	struct mdp4_overlay_pipe *real_pipe;
	unsigned long flags;
	int need_dmap_wait = 0;
	int need_ov_wait = 0;
	int cnt = 0;

	int clk_set_on = 0;
	vctrl = &vsync_ctrl_db[0];
#ifdef FACTORY_TEST
		if (!is_lcd_connected)
			return 0;
#endif

	mutex_lock(&vctrl->update_lock);
	undx =  vctrl->update_ndx;
	vp = &vctrl->vlist[undx];
	pipe = vctrl->base_pipe;
	if (pipe == NULL) {
		pr_err("%s: NO base pipe\n", __func__);
		mutex_unlock(&vctrl->update_lock);
		return 0;
	}

	mixer = pipe->mixer_num;

	/*
	 * allow stage_commit without pipes queued
	 * (vp->update_cnt == 0) to unstage pipes after
	 * overlay_unset
	 */

	vctrl->update_ndx++;
	vctrl->update_ndx &= 0x01;
	vp->update_cnt = 0;     /* reset */
	if (vctrl->blt_free) {
		vctrl->blt_free--;
		if (vctrl->blt_free == 0)
			mdp4_free_writeback_buf(vctrl->mfd, mixer);
	}
	mutex_unlock(&vctrl->update_lock);
	if(wait == 1) { 
		spin_lock_irqsave(&vctrl->spin_lock, flags);
		vctrl->clk_control = 0;
		vctrl->pan_display++;
		if (!vctrl->clk_enabled) {
			clk_set_on = 1;
			vctrl->clk_enabled = 1;
		}
		vctrl->expire_tick = VSYNC_EXPIRE_TICK;
		spin_unlock_irqrestore(&vctrl->spin_lock, flags);
		if (clk_set_on) {
			pr_err("%s: warning, clock off while pan display\n", __func__);
			pr_debug("%s: SET_CLK_ON\n", __func__);
			mipi_dsi_clk_cfg(1);
			mdp_clk_ctrl(1);
			vsync_irq_enable(INTR_PRIMARY_RDPTR, MDP_PRIM_RDPTR_TERM);
		 }
	}

	if (mdp4_dsi_cmd_clk_check(vctrl) < 0)
		return 0;

	/* free previous committed iommu back to pool */
	mdp4_overlay_iommu_unmap_freelist(mixer);

	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (pipe->ov_blt_addr) {
		/* Blt */
		if (vctrl->blt_wait)
			need_dmap_wait = 1;
		else if (vctrl->ov_koff != vctrl->ov_done) {
			INIT_COMPLETION(vctrl->ov_comp);
			need_ov_wait = 1;
		}
	} else {
		/* direct out */
		if (vctrl->dmap_koff != vctrl->dmap_done) {
			INIT_COMPLETION(vctrl->dmap_comp);
			pr_debug("%s: wait, ok=%d od=%d dk=%d dd=%d cpu=%d\n",
			 __func__, vctrl->ov_koff, vctrl->ov_done,
			vctrl->dmap_koff, vctrl->dmap_done, smp_processor_id());
			need_dmap_wait = 1;
		}
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	if (need_dmap_wait) {
		pr_debug("%s: wait4dmap\n", __func__);
		mdp4_dsi_cmd_wait4dmap(0);
	}
#if defined(CONFIG_FB_MSM_MIPI_NOVATEK_CMD_WVGA_PT) \
	|| defined(CONFIG_FB_MSM_MIPI_NOVATEK_BOE_CMD_WVGA_PT) \
	|| defined(CONFIG_FB_MSM_MIPI_SAMSUNG_OLED_CMD_QHD_PT)
	if(mdp_lut_push) {
		mipi_dsi_mdp_busy_wait();
		mdp_lut_enable();
	} 
#endif
	if (need_ov_wait) {
		pr_debug("#### %s: wait4ov\n", __func__);
		vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
		outpdw(MDP_BASE + 0x0004, 0);
		mb();
		mdp4_dsi_cmd_wait4ov(0);
	}

	if (pipe->ov_blt_addr) {
		if (vctrl->blt_end) {
			vctrl->blt_end = 0;
			pipe->ov_blt_addr = 0;
			pipe->dma_blt_addr =  0;
		}
	}

	if (vctrl->blt_change) {
		mdp4_overlayproc_cfg(pipe);
		mdp4_overlay_dmap_xy(pipe);
		vctrl->blt_change = 0;
	}

	pipe = vp->plist;
	for (i = 0; i < OVERLAY_PIPE_MAX; i++, pipe++) {
		if (pipe->pipe_used) {
			cnt++;
			real_pipe = mdp4_overlay_ndx2pipe(pipe->pipe_ndx);
			if (real_pipe && real_pipe->pipe_used) {
				/* pipe not unset */
				mdp4_overlay_vsync_commit(pipe);
			}
			/* free previous iommu to freelist
			* which will be freed at next
			* pipe_commit
			*/
			mdp4_overlay_iommu_pipe_free(pipe->pipe_ndx, 0);
			pipe->pipe_used = 0; /* clear */
		}
	}

	/* tx dcs command if had any */
	mipi_dsi_cmdlist_commit(1);

	mdp4_mixer_stage_commit(mixer);

	pipe = vctrl->base_pipe;
	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (pipe->ov_blt_addr) {
		mdp4_dsi_cmd_blt_ov_update(pipe);
		pipe->ov_cnt++;
		vctrl->ov_koff++;
		INIT_COMPLETION(vctrl->ov_comp);
		vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
	} else {
		INIT_COMPLETION(vctrl->dmap_comp);
		vsync_irq_enable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
		vctrl->dmap_koff++;
	}
	pr_debug("%s: kickoff, pid=%d\n", __func__, current->pid);
	/* kickoff overlay engine */
	mdp4_stat.kickoff_ov0++;
	outpdw(MDP_BASE + 0x0004, 0);
	mb();
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	mdp4_stat.overlay_commit[pipe->mixer_num]++;

	if (wait)
		mdp4_dsi_cmd_wait4vsync(0);

	return cnt;
}
void mdp4_overlay_update_dsi_cmd(struct msm_fb_data_type *mfd)
{
    MDPIBUF *iBuf = &mfd->ibuf;
    uint8 *src;
    int ptype;
    struct mdp4_overlay_pipe *pipe;
    struct msm_fb_data_type *tmp_dsi_mfd;
    int bpp;
    int ret;

    if (mfd->key != MFD_KEY)
        return;

    tmp_dsi_mfd = dsi_mfd;
    dsi_mfd = mfd;		/* keep it */

    /* MDP cmd block enable */
    mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);

    if (unlikely(dsi_pipe == NULL)) {
        ptype = mdp4_overlay_format2type(mfd->fb_imgType);
        if (unlikely(ptype < 0)) {
            printk(KERN_ERR "%s: format2type failed\n", __func__);
            mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);
            dsi_mfd = tmp_dsi_mfd;
            return;
        }
        pipe = mdp4_overlay_pipe_alloc(ptype, MDP4_MIXER0);
        if (unlikely(pipe == NULL)) {
            printk(KERN_ERR "%s: pipe_alloc failed\n", __func__);
            mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);
            dsi_mfd = tmp_dsi_mfd;
            return;
        }
        pipe->pipe_used++;
        pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
        pipe->mixer_num  = MDP4_MIXER0;
        pipe->src_format = mfd->fb_imgType;
        mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_DSI_CMD);
        ret = mdp4_overlay_format2pipe(pipe);
        if (ret < 0)
            printk(KERN_INFO "%s: format2type failed\n", __func__);

        init_timer(&dsi_clock_timer);
        dsi_clock_timer.function = dsi_clock_tout;
        dsi_clock_timer.data = (unsigned long) mfd;;
        dsi_clock_timer.expires = 0xffffffff;
        add_timer(&dsi_clock_timer);
        tout_expired = jiffies;

        dsi_pipe = pipe; /* keep it */

        mdp4_init_writeback_buf(mfd, MDP4_MIXER0);
        pipe->ov_blt_addr = 0;
        pipe->dma_blt_addr = 0;

    } else {
        pipe = dsi_pipe;
    }
    /*
     * configure dsi stream id
     * dma_p = 0, dma_s = 1
     */
    MDP_OUTP(MDP_BASE + 0x000a0, 0x10);
    /* disable dsi trigger */
    MDP_OUTP(MDP_BASE + 0x000a4, 0x00);
    /* whole screen for base layer */
    src = (uint8 *) iBuf->buf;


    {
        struct fb_info *fbi;

        fbi = mfd->fbi;
        if (pipe->is_3d) {
            bpp = fbi->var.bits_per_pixel / 8;
            pipe->src_height = pipe->src_height_3d;
            pipe->src_width = pipe->src_width_3d;
            pipe->src_h = pipe->src_height_3d;
            pipe->src_w = pipe->src_width_3d;
            pipe->dst_h = pipe->src_height_3d;
            pipe->dst_w = pipe->src_width_3d;
            pipe->srcp0_ystride = msm_fb_line_length(0,
                                  pipe->src_width, bpp);
        } else {
            /* 2D */
            pipe->src_height = fbi->var.yres;
            pipe->src_width = fbi->var.xres;
            pipe->src_h = fbi->var.yres;
            pipe->src_w = fbi->var.xres;
            pipe->dst_h = fbi->var.yres;
            pipe->dst_w = fbi->var.xres;
            pipe->srcp0_ystride = fbi->fix.line_length;
        }
        pipe->src_y = 0;
        pipe->src_x = 0;
        pipe->dst_y = 0;
        pipe->dst_x = 0;
        pipe->srcp0_addr = (uint32)src;
    }


    mdp4_overlay_rgb_setup(pipe);

    mdp4_mixer_stage_up(pipe);

    mdp4_overlayproc_cfg(pipe);

    mdp4_overlay_dmap_xy(pipe);

    mdp4_overlay_dmap_cfg(mfd, 0);

    mdp4_mipi_vsync_enable(mfd, pipe, 0);

    /* MDP cmd block disable */
    mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);

    wmb();
}
int mdp4_lcdc_on(struct platform_device *pdev)
{
	int lcdc_width;
	int lcdc_height;
	int lcdc_bpp;
	int lcdc_border_clr;
	int lcdc_underflow_clr;
	int lcdc_hsync_skew;

	int hsync_period;
	int hsync_ctrl;
	int vsync_period;
	int display_hctl;
	int display_v_start;
	int display_v_end;
	int active_hctl;
	int active_h_start;
	int active_h_end;
	int active_v_start;
	int active_v_end;
	int ctrl_polarity;
	int h_back_porch;
	int h_front_porch;
	int v_back_porch;
	int v_front_porch;
	int hsync_pulse_width;
	int vsync_pulse_width;
	int hsync_polarity;
	int vsync_polarity;
	int data_en_polarity;
	int hsync_start_x;
	int hsync_end_x;
	uint8 *buf;
	unsigned int buf_offset;
	int bpp, ptype;
	struct fb_info *fbi;
	struct fb_var_screeninfo *var;
	struct msm_fb_data_type *mfd;
	struct mdp4_overlay_pipe *pipe;
	int ret = 0;
	int cndx = 0;
	struct vsycn_ctrl *vctrl;

	vctrl = &vsync_ctrl_db[cndx];
	mfd = (struct msm_fb_data_type *)platform_get_drvdata(pdev);

	if (!mfd)
		return -ENODEV;

	if (mfd->key != MFD_KEY)
		return -EINVAL;

	vctrl->mfd = mfd;
	vctrl->dev = mfd->fbi->dev;

	/* mdp clock on */
	mdp_clk_ctrl(1);

	fbi = mfd->fbi;
	var = &fbi->var;

	bpp = fbi->var.bits_per_pixel / 8;
	buf = (uint8 *) fbi->fix.smem_start;
	buf_offset = calc_fb_offset(mfd, fbi, bpp);

	if (vctrl->base_pipe == NULL) {
		ptype = mdp4_overlay_format2type(mfd->fb_imgType);
		if (ptype < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);
		pipe = mdp4_overlay_pipe_alloc(ptype, MDP4_MIXER0);
		if (pipe == NULL)
			printk(KERN_INFO "%s: pipe_alloc failed\n", __func__);
		pipe->pipe_used++;
		pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = mfd->fb_imgType;
		mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_LCDC);
		ret = mdp4_overlay_format2pipe(pipe);
		if (ret < 0)
			printk(KERN_INFO "%s: format2pipe failed\n", __func__);

		mdp4_init_writeback_buf(mfd, MDP4_MIXER0);
		pipe->ov_blt_addr = 0;
		pipe->dma_blt_addr = 0;

		vctrl->base_pipe = pipe; /* keep it */
	} else {
		pipe = vctrl->base_pipe;
	}


	pipe->src_height = fbi->var.yres;
	pipe->src_width = fbi->var.xres;
	pipe->src_h = fbi->var.yres;
	pipe->src_w = fbi->var.xres;
	pipe->src_y = 0;
	pipe->src_x = 0;
	pipe->dst_h = fbi->var.yres;
	pipe->dst_w = fbi->var.xres;

	if (mfd->display_iova)
		pipe->srcp0_addr = mfd->display_iova + buf_offset;
	else
		pipe->srcp0_addr = (uint32)(buf + buf_offset);

	pipe->srcp0_ystride = fbi->fix.line_length;
	pipe->bpp = bpp;

	mdp4_overlay_mdp_pipe_req(pipe, mfd);

	atomic_set(&vctrl->suspend, 0);

	mdp4_overlay_dmap_xy(pipe);
	mdp4_overlay_dmap_cfg(mfd, 1);
	mdp4_overlay_rgb_setup(pipe);
	mdp4_overlayproc_cfg(pipe);

	mdp4_overlay_reg_flush(pipe, 1);
	mdp4_mixer_stage_up(pipe, 0);


	/*
	 * LCDC timing setting
	 */
	h_back_porch = var->left_margin;
	h_front_porch = var->right_margin;
	v_back_porch = var->upper_margin;
	v_front_porch = var->lower_margin;
	hsync_pulse_width = var->hsync_len;
	vsync_pulse_width = var->vsync_len;
	lcdc_border_clr = mfd->panel_info.lcdc.border_clr;
	lcdc_underflow_clr = mfd->panel_info.lcdc.underflow_clr;
	lcdc_hsync_skew = mfd->panel_info.lcdc.hsync_skew;

	lcdc_width = var->xres + mfd->panel_info.lcdc.xres_pad;
	lcdc_height = var->yres + mfd->panel_info.lcdc.yres_pad;
	lcdc_bpp = mfd->panel_info.bpp;

	hsync_period =
	    hsync_pulse_width + h_back_porch + h_front_porch;
	if ((mfd->panel_info.type == LVDS_PANEL) &&
		(mfd->panel_info.lvds.channel_mode == LVDS_DUAL_CHANNEL_MODE))
		hsync_period += lcdc_width / 2;
	else
		hsync_period += lcdc_width;
	hsync_ctrl = (hsync_period << 16) | hsync_pulse_width;
	hsync_start_x = hsync_pulse_width + h_back_porch;
	hsync_end_x = hsync_period - h_front_porch - 1;
	display_hctl = (hsync_end_x << 16) | hsync_start_x;

	vsync_period =
	    (vsync_pulse_width + v_back_porch + lcdc_height +
	     v_front_porch) * hsync_period;
	display_v_start =
	    (vsync_pulse_width + v_back_porch) * hsync_period + lcdc_hsync_skew;
	display_v_end =
	    vsync_period - (v_front_porch * hsync_period) + lcdc_hsync_skew - 1;

	if (lcdc_width != var->xres) {
		active_h_start = hsync_start_x + first_pixel_start_x;
		active_h_end = active_h_start + var->xres - 1;
		active_hctl =
		    ACTIVE_START_X_EN | (active_h_end << 16) | active_h_start;
	} else {
		active_hctl = 0;
	}

	if (lcdc_height != var->yres) {
		active_v_start =
		    display_v_start + first_pixel_start_y * hsync_period;
		active_v_end = active_v_start + (var->yres) * hsync_period - 1;
		active_v_start |= ACTIVE_START_Y_EN;
	} else {
		active_v_start = 0;
		active_v_end = 0;
	}


#ifdef CONFIG_FB_MSM_MDP40
	if (mfd->panel_info.lcdc.is_sync_active_high) {
		hsync_polarity = 0;
		vsync_polarity = 0;
	} else {
		hsync_polarity = 1;
		vsync_polarity = 1;
	}
	lcdc_underflow_clr |= 0x80000000;	/* enable recovery */
#else
	hsync_polarity = 0;
	vsync_polarity = 0;
#endif
	data_en_polarity = 0;

	ctrl_polarity =
	    (data_en_polarity << 2) | (vsync_polarity << 1) | (hsync_polarity);

	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x4, hsync_ctrl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x8, vsync_period);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0xc, vsync_pulse_width * hsync_period);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x10, display_hctl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x14, display_v_start);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x18, display_v_end);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x28, lcdc_border_clr);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x2c, lcdc_underflow_clr);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x30, lcdc_hsync_skew);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x38, ctrl_polarity);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x1c, active_hctl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x20, active_v_start);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x24, active_v_end);
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);

	mdp_histogram_ctrl_all(TRUE);
	return ret;
}
Ejemplo n.º 22
0
void mdp4_overlay_update_dsi_cmd(struct msm_fb_data_type *mfd)
{
	MDPIBUF *iBuf = &mfd->ibuf;
	uint8 *src;
	int ptype;
	struct mdp4_overlay_pipe *pipe;
	int bpp;
	int ret;

	if (mfd->key != MFD_KEY)
		return;

	dsi_mfd = mfd;		/* keep it */

	/* MDP cmd block enable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);

	if (dsi_pipe == NULL) {
		ptype = mdp4_overlay_format2type(mfd->fb_imgType);
		if (ptype < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);
		pipe = mdp4_overlay_pipe_alloc(ptype, MDP4_MIXER0, 0);
		if (pipe == NULL)
			printk(KERN_INFO "%s: pipe_alloc failed\n", __func__);
		pipe->pipe_used++;
		pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = mfd->fb_imgType;
		mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_DSI_CMD);
		ret = mdp4_overlay_format2pipe(pipe);
		if (ret < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);
#ifdef DSI_CLK_CTRL
		init_timer(&dsi_clock_timer);
		dsi_clock_timer.function = dsi_clock_tout;
		dsi_clock_timer.data = (unsigned long) mfd;;
		dsi_clock_timer.expires = HZ;
#endif
		dsi_pipe = pipe; /* keep it */

#ifdef OVERLAY_BLT_EMBEDDED
		{
			char *src;
			struct fb_info *fbi;
			int bpp, off;


			fbi = mfd->fbi;
			bpp = fbi->var.bits_per_pixel / 8;
			src = (uint8 *) iBuf->buf;
			pipe->blt_base = (ulong) iBuf->buf;
			off = ALIGN(fbi->var.xres, 32) * fbi->var.yres
						* bpp * 2;
			off += (1920 * 1080 * 2 * 1); /* hdmi */
			pipe->blt_base += off;

			pr_info("%s: base=%x offset=%x\n",
				__func__, (int) pipe->blt_base, (int)off);

		}
#endif

		/*
		 * configure dsi stream id
		 * dma_p = 0, dma_s = 1
		 */
		MDP_OUTP(MDP_BASE + 0x000a0, 0x10);
		/* enable dsi trigger on dma_p */
		MDP_OUTP(MDP_BASE + 0x000a4, 0x01);
	} else {
		pipe = dsi_pipe;
	}

	/* whole screen for base layer */
	src = (uint8 *) iBuf->buf;


	{
		struct fb_info *fbi;

		fbi = mfd->fbi;
		if (pipe->is_3d) {
			bpp = fbi->var.bits_per_pixel / 8;
			pipe->src_height = pipe->src_height_3d;
			pipe->src_width = pipe->src_width_3d;
			pipe->src_h = pipe->src_height_3d;
			pipe->src_w = pipe->src_width_3d;
			pipe->dst_h = pipe->src_height_3d;
			pipe->dst_w = pipe->src_width_3d;
			pipe->srcp0_ystride = msm_fb_line_length(0,
						pipe->src_width, bpp);
		} else {
			 /* 2D */
			pipe->src_height = fbi->var.yres;
			pipe->src_width = fbi->var.xres;
			pipe->src_h = fbi->var.yres;
			pipe->src_w = fbi->var.xres;
			pipe->dst_h = fbi->var.yres;
			pipe->dst_w = fbi->var.xres;
			pipe->srcp0_ystride = fbi->fix.line_length;
		}
		pipe->src_y = 0;
		pipe->src_x = 0;
		pipe->dst_y = 0;
		pipe->dst_x = 0;
		pipe->srcp0_addr = (uint32)src;
	}


	mdp4_overlay_rgb_setup(pipe);

	mdp4_mixer_stage_up(pipe);

	mdp4_overlayproc_cfg(pipe);

	mdp4_overlay_dmap_xy(pipe);

	mdp4_overlay_dmap_cfg(mfd, 0);

	mdp4_mipi_vsync_enable(mfd, pipe, 0);

	/* MDP cmd block disable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);

	wmb();
}
/* 3D side by side */
void mdp4_dsi_cmd_3d_sbys(struct msm_fb_data_type *mfd,
                          struct msmfb_overlay_3d *r3d)
{
    struct fb_info *fbi;
    struct mdp4_overlay_pipe *pipe;
    int bpp;
    uint8 *src = NULL;

    if (dsi_pipe == NULL)
        return;

    dsi_pipe->is_3d = r3d->is_3d;
    dsi_pipe->src_height_3d = r3d->height;
    dsi_pipe->src_width_3d = r3d->width;

    pipe = dsi_pipe;

    if (pipe->is_3d)
        mdp4_overlay_panel_3d(pipe->mixer_num, MDP4_3D_SIDE_BY_SIDE);
    else
        mdp4_overlay_panel_3d(pipe->mixer_num, MDP4_3D_NONE);

    if (mfd->panel_power_on)
        mdp4_dsi_cmd_dma_busy_wait(mfd);

    fbi = mfd->fbi;
    if (pipe->is_3d) {
        bpp = fbi->var.bits_per_pixel / 8;
        pipe->src_height = pipe->src_height_3d;
        pipe->src_width = pipe->src_width_3d;
        pipe->src_h = pipe->src_height_3d;
        pipe->src_w = pipe->src_width_3d;
        pipe->dst_h = pipe->src_height_3d;
        pipe->dst_w = pipe->src_width_3d;
        pipe->srcp0_ystride = msm_fb_line_length(0,
                              pipe->src_width, bpp);
    } else {
        /* 2D */
        pipe->src_height = fbi->var.yres;
        pipe->src_width = fbi->var.xres;
        pipe->src_h = fbi->var.yres;
        pipe->src_w = fbi->var.xres;
        pipe->dst_h = fbi->var.yres;
        pipe->dst_w = fbi->var.xres;
        pipe->srcp0_ystride = fbi->fix.line_length;
    }
    pipe->src_y = 0;
    pipe->src_x = 0;
    pipe->dst_y = 0;
    pipe->dst_x = 0;
    pipe->srcp0_addr = (uint32)src;

    mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);

    mdp4_overlay_rgb_setup(pipe);

    mdp4_mixer_stage_up(pipe);

    mdp4_overlayproc_cfg(pipe);

    mdp4_overlay_dmap_xy(pipe);

    mdp4_overlay_dmap_cfg(mfd, 0);

    /* MDP cmd block disable */
    mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);
}
void mdp4_overlay_update_lcd(struct msm_fb_data_type *mfd)
{
	MDPIBUF *iBuf = &mfd->ibuf;
	uint8 *src;
	int bpp, ptype;
	uint32 format;
	uint32 mddi_ld_param;
	uint16 mddi_vdo_packet_reg;
	struct mdp4_overlay_pipe *pipe;

	if (mfd->key != MFD_KEY)
		return;

	mddi_mfd = mfd;		/* keep it */

	bpp = iBuf->bpp;

	if (bpp == 2)
		format = MDP_RGB_565;
	else if (bpp == 3)
		format = MDP_RGB_888;
	else
		format = MDP_ARGB_8888;

	/* MDP cmd block enable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);

	if (mddi_pipe == NULL) {
		ptype = mdp4_overlay_format2type(format);
		pipe = mdp4_overlay_pipe_alloc();
		pipe->pipe_type = ptype;
		/* use RGB1 pipe */
		pipe->pipe_num  = OVERLAY_PIPE_RGB1;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = format;
		mdp4_overlay_format2pipe(pipe);

		mddi_pipe = pipe; /* keep it */

		mddi_ld_param = 0;
		mddi_vdo_packet_reg = mfd->panel_info.mddi.vdopkt;

		if (mfd->panel_info.type == MDDI_PANEL) {
			if (mfd->panel_info.pdest == DISPLAY_1)
				mddi_ld_param = 0;
			else
				mddi_ld_param = 1;
		} else {
			mddi_ld_param = 2;
		}

		MDP_OUTP(MDP_BASE + 0x00090, mddi_ld_param);
		MDP_OUTP(MDP_BASE + 0x00094,
			 (MDDI_VDO_PACKET_DESC << 16) | mddi_vdo_packet_reg);
	} else {
		pipe = mddi_pipe;
	}


	src = (uint8 *) iBuf->buf;

#ifdef WHOLESCREEN
	{
		struct fb_info *fbi;

		fbi = mfd->fbi;
		pipe->src_height = fbi->var.yres;
		pipe->src_width = fbi->var.xres;
		pipe->src_h = fbi->var.yres;
		pipe->src_w = fbi->var.xres;
		pipe->src_y = 0;
		pipe->src_x = 0;
		pipe->dst_h = fbi->var.yres;
		pipe->dst_w = fbi->var.xres;
		pipe->dst_y = 0;
		pipe->dst_x = 0;
		pipe->srcp0_addr = (uint32)src;
		pipe->srcp0_ystride = fbi->var.xres_virtual * bpp;
	}

#else
	if (mdp4_overlay_active(MDP4_MIXER0)) {
		struct fb_info *fbi;

		fbi = mfd->fbi;
		pipe->src_height = fbi->var.yres;
		pipe->src_width = fbi->var.xres;
		pipe->src_h = fbi->var.yres;
		pipe->src_w = fbi->var.xres;
		pipe->src_y = 0;
		pipe->src_x = 0;
		pipe->dst_h = fbi->var.yres;
		pipe->dst_w = fbi->var.xres;
		pipe->dst_y = 0;
		pipe->dst_x = 0;
		pipe->srcp0_addr = (uint32) src;
		pipe->srcp0_ystride = fbi->var.xres_virtual * bpp;
	} else {
		/* starting input address */
		src += (iBuf->dma_x + iBuf->dma_y * iBuf->ibuf_width) * bpp;

		pipe->src_height = iBuf->dma_h;
		pipe->src_width = iBuf->dma_w;
		pipe->src_h = iBuf->dma_h;
		pipe->src_w = iBuf->dma_w;
		pipe->src_y = 0;
		pipe->src_x = 0;
		pipe->dst_h = iBuf->dma_h;
		pipe->dst_w = iBuf->dma_w;
		pipe->dst_y = iBuf->dma_y;
		pipe->dst_x = iBuf->dma_x;
		pipe->srcp0_addr = (uint32) src;
		pipe->srcp0_ystride = iBuf->ibuf_width * bpp;
	}
#endif

	pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;

	mdp4_overlay_rgb_setup(pipe);

	mdp4_mixer_stage_up(pipe);

	mdp4_overlayproc_cfg(pipe);

	mdp4_overlay_dmap_xy(pipe);

	mdp4_overlay_dmap_cfg(mfd, 0);

	/* MDP cmd block disable */
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);

}
/*
 * make sure the MIPI_DSI_WRITEBACK_SIZE defined at boardfile
 * has enough space h * w * 3 * 2
 */
static void mdp4_dsi_video_do_blt(struct msm_fb_data_type *mfd, int enable)
{
    unsigned long flag;
    int cndx = 0;
    struct vsycn_ctrl *vctrl;
    struct mdp4_overlay_pipe *pipe;
    long long vtime;

    vctrl = &vsync_ctrl_db[cndx];
    pipe = vctrl->base_pipe;

    mdp4_allocate_writeback_buf(mfd, MDP4_MIXER0);

    if (mfd->ov0_wb_buf->write_addr == 0) {
        pr_info("%s: no blt_base assigned\n", __func__);
        return;
    }

    spin_lock_irqsave(&vctrl->spin_lock, flag);
    if (enable && pipe->ov_blt_addr == 0) {
        pipe->ov_blt_addr = mfd->ov0_wb_buf->write_addr;
        pipe->dma_blt_addr = mfd->ov0_wb_buf->read_addr;
        pipe->ov_cnt = 0;
        pipe->dmap_cnt = 0;
        vctrl->ov_koff = 0;
        vctrl->ov_done = 0;
        vctrl->blt_free = 0;
        mdp4_stat.blt_dsi_video++;
        vctrl->blt_change++;
    } else if (enable == 0 && pipe->ov_blt_addr) {
        pipe->ov_blt_addr = 0;
        pipe->dma_blt_addr =  0;
        vctrl->blt_free = 4;	/* 4 commits to free wb buf */
        vctrl->blt_change++;
    }

    pr_info("%s: changed=%d enable=%d ov_blt_addr=%x\n", __func__,
            vctrl->blt_change, enable, (int)pipe->ov_blt_addr);

    if (!vctrl->blt_change) {
        spin_unlock_irqrestore(&vctrl->spin_lock, flag);
        return;
    }

    if (vctrl->blt_ctrl == BLT_SWITCH_TG_OFF) // QC_1204
        vctrl->blt_change = 0; // QC_1204

    spin_unlock_irqrestore(&vctrl->spin_lock, flag);

    // QC_1206 - start
    if (enable && pipe->ov_blt_addr) {
        size_t blt_vm_size;
        char *blt_vm_addr;
        unsigned long ionflag = 0;
        int rc = -1;

        blt_vm_size = roundup(mfd->panel_info.xres * \
                              mfd->panel_info.yres * 3 * 2, SZ_4K);

        if (!IS_ERR_OR_NULL(mfd->iclient)) {
            rc = ion_handle_get_flags(mfd->iclient,
                                      mfd->ov0_wb_buf->ihdl,
                                      &ionflag);
            pr_err("*** %s: rc=%x\n", __func__, rc); // QC_1207

            if (!rc) {
                blt_vm_addr = (char *) ion_map_kernel(
                                  mfd->iclient,
                                  mfd->ov0_wb_buf->ihdl,
                                  ionflag);
                pr_err("*** %s: blt_vm_addr=%x\n", __func__, (unsigned int)blt_vm_addr); // QC_1207
                if (blt_vm_addr) {
                    pr_err("*** %s: Calling memset() with blt_vm_size=%d\n", __func__, blt_vm_size); // QC_1207
                    memset(blt_vm_addr, 0, blt_vm_size);
                    ion_unmap_kernel(mfd->iclient,
                                     mfd->ov0_wb_buf->ihdl);
                }
            }
        }
    }
    // QC_1206 - end

    if (vctrl->blt_ctrl == BLT_SWITCH_TG_OFF) {
        int tg_enabled;

        vctrl->blt_change = 0;
        tg_enabled = inpdw(MDP_BASE + DSI_VIDEO_BASE) & 0x01;
        if (tg_enabled) {
            vsync_irq_enable(INTR_PRIMARY_VSYNC, MDP_PRIM_VSYNC_TERM);
            mdp4_dsi_video_wait4vsync(0, &vtime);
            MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 0);
            mdp4_dsi_video_wait4dmap_done(0);
        }
        mdp4_overlayproc_cfg(pipe);
        mdp4_overlay_dmap_xy(pipe);
        if (tg_enabled) {
            /*
            * need wait for more than 1 ms to
            * make sure dsi lanes' fifo is empty and
            * lanes in stop state befroe reset
            * controller
            */
            usleep(2000);
            mipi_dsi_sw_reset();
            MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 1);
        }
    }
}
static void mdp4_overlay_update_dsi_cmd(struct msm_fb_data_type *mfd)
{
	int ptype;
	struct mdp4_overlay_pipe *pipe;
	int ret;
	int cndx = 0;
	struct vsycn_ctrl *vctrl;


	if (mfd->key != MFD_KEY)
		return;

	vctrl = &vsync_ctrl_db[cndx];

	if (vctrl->base_pipe == NULL) {
		ptype = mdp4_overlay_format2type(mfd->fb_imgType);
		if (ptype < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);
		pipe = mdp4_overlay_pipe_alloc(ptype, MDP4_MIXER0);
		if (pipe == NULL) {
			printk(KERN_INFO "%s: pipe_alloc failed\n", __func__);
			return;
		}
		pipe->pipe_used++;
		pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = mfd->fb_imgType;
		mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_DSI_CMD);
		ret = mdp4_overlay_format2pipe(pipe);
		if (ret < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);

		vctrl->base_pipe = pipe; /* keep it */
		mdp4_init_writeback_buf(mfd, MDP4_MIXER0);
		pipe->ov_blt_addr = 0;
		pipe->dma_blt_addr = 0;
	} else {
		pipe = vctrl->base_pipe;
	}

	MDP_OUTP(MDP_BASE + 0x021c, 10); /* read pointer */

	/*
	 * configure dsi stream id
	 * dma_p = 0, dma_s = 1
	 */
	MDP_OUTP(MDP_BASE + 0x000a0, 0x10);
	/* disable dsi trigger */
	MDP_OUTP(MDP_BASE + 0x000a4, 0x00);

	mdp4_overlay_setup_pipe_addr(mfd, pipe);

	mdp4_overlay_rgb_setup(pipe);

	mdp4_overlay_reg_flush(pipe, 1);

	mdp4_mixer_stage_up(pipe, 0);

	mdp4_overlayproc_cfg(pipe);

	mdp4_overlay_dmap_xy(pipe);

	mdp4_overlay_dmap_cfg(mfd, 0);

	wmb();
}
/* 3D side by side */
void mdp4_dsi_video_3d_sbys(struct msm_fb_data_type *mfd,
                            struct msmfb_overlay_3d *r3d)
{
    struct fb_info *fbi;
    unsigned int buf_offset;
    int bpp;
    uint8 *buf = NULL;
    int cndx = 0;
    struct vsycn_ctrl *vctrl;
    struct mdp4_overlay_pipe *pipe;

    vctrl = &vsync_ctrl_db[cndx];
    pipe = vctrl->base_pipe;

    if (vctrl->base_pipe == NULL)
        return;

    pipe = vctrl->base_pipe;
    pipe->is_3d = r3d->is_3d;
    pipe->src_height_3d = r3d->height;
    pipe->src_width_3d = r3d->width;

    if (pipe->is_3d)
        mdp4_overlay_panel_3d(pipe->mixer_num, MDP4_3D_SIDE_BY_SIDE);
    else
        mdp4_overlay_panel_3d(pipe->mixer_num, MDP4_3D_NONE);

    fbi = mfd->fbi;

    bpp = fbi->var.bits_per_pixel / 8;
    buf = (uint8 *) fbi->fix.smem_start;
    buf_offset = calc_fb_offset(mfd, fbi, bpp);

    if (pipe->is_3d) {
        pipe->src_height = pipe->src_height_3d;
        pipe->src_width = pipe->src_width_3d;
        pipe->src_h = pipe->src_height_3d;
        pipe->src_w = pipe->src_width_3d;
        pipe->dst_h = pipe->src_height_3d;
        pipe->dst_w = pipe->src_width_3d;
        pipe->srcp0_ystride = msm_fb_line_length(0,
                              pipe->src_width, bpp);
    } else {
        /* 2D */
        pipe->src_height = fbi->var.yres;
        pipe->src_width = fbi->var.xres;
        pipe->src_h = fbi->var.yres;
        pipe->src_w = fbi->var.xres;
        pipe->dst_h = fbi->var.yres;
        pipe->dst_w = fbi->var.xres;
        pipe->srcp0_ystride = fbi->fix.line_length;
    }

    pipe->src_y = 0;
    pipe->src_x = 0;
    pipe->dst_y = 0;
    pipe->dst_x = 0;

    if (mfd->map_buffer) {
        pipe->srcp0_addr = (unsigned int)mfd->map_buffer->iova[0] + \
                           buf_offset;
        pr_debug("start 0x%lx srcp0_addr 0x%x\n", mfd->
                 map_buffer->iova[0], pipe->srcp0_addr);
    } else {
        pipe->srcp0_addr = (uint32)(buf + buf_offset);
    }

    mdp4_overlay_rgb_setup(pipe);

    mdp4_overlayproc_cfg(pipe);

    mdp4_overlay_dmap_xy(pipe);

    mdp4_overlay_dmap_cfg(mfd, 1);

    mdp4_overlay_reg_flush(pipe, 1);

    mdp4_mixer_stage_up(pipe, 0);

    mdp4_mixer_stage_commit(pipe->mixer_num);

    mb();
}
/* 3D side by side */
void mdp4_dsi_cmd_3d_sbys(struct msm_fb_data_type *mfd,
				struct msmfb_overlay_3d *r3d)
{
	struct fb_info *fbi;
	int bpp;
	uint8 *src = NULL;
	int cndx = 0;
	struct vsycn_ctrl *vctrl;
	struct mdp4_overlay_pipe *pipe;

	vctrl = &vsync_ctrl_db[cndx];
	pipe = vctrl->base_pipe;

	if (pipe == NULL)
		return;

	if (pipe->pipe_used == 0 ||
			pipe->mixer_stage != MDP4_MIXER_STAGE_BASE) {
		pr_err("%s: NOT baselayer\n", __func__);
		return;
	}

	pipe->is_3d = r3d->is_3d;
	pipe->src_height_3d = r3d->height;
	pipe->src_width_3d = r3d->width;

	if (pipe->is_3d)
		mdp4_overlay_panel_3d(pipe->mixer_num, MDP4_3D_SIDE_BY_SIDE);
	else
		mdp4_overlay_panel_3d(pipe->mixer_num, MDP4_3D_NONE);

	fbi = mfd->fbi;
	if (pipe->is_3d) {
		bpp = fbi->var.bits_per_pixel / 8;
		pipe->src_height = pipe->src_height_3d;
		pipe->src_width = pipe->src_width_3d;
		pipe->src_h = pipe->src_height_3d;
		pipe->src_w = pipe->src_width_3d;
		pipe->dst_h = pipe->src_height_3d;
		pipe->dst_w = pipe->src_width_3d;
		pipe->srcp0_ystride = msm_fb_line_length(0,
					pipe->src_width, bpp);
	} else {
		 /* 2D */
		pipe->src_height = fbi->var.yres;
		pipe->src_width = fbi->var.xres;
		pipe->src_h = fbi->var.yres;
		pipe->src_w = fbi->var.xres;
		pipe->dst_h = fbi->var.yres;
		pipe->dst_w = fbi->var.xres;
		pipe->srcp0_ystride = fbi->fix.line_length;
	}
	pipe->src_y = 0;
	pipe->src_x = 0;
	pipe->dst_y = 0;
	pipe->dst_x = 0;
	pipe->srcp0_addr = (uint32)src;

	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
	mdp_clk_ctrl(1);

	mdp4_overlay_rgb_setup(pipe);

	mdp4_overlay_reg_flush(pipe, 1);

	mdp4_mixer_stage_up(pipe, 0);

	mdp4_overlayproc_cfg(pipe);

	mdp4_overlay_dmap_xy(pipe);

	mdp4_overlay_dmap_cfg(mfd, 0);

	mdp4_mixer_stage_commit(pipe->mixer_num);
	/* MDP cmd block disable */
	mdp_clk_ctrl(0);
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);
}
Ejemplo n.º 29
0
int mdp4_lcdc_on(struct platform_device *pdev)
{
	int lcdc_width;
	int lcdc_height;
	int lcdc_bpp;
	int lcdc_border_clr;
	int lcdc_underflow_clr;
	int lcdc_hsync_skew;

	int hsync_period;
	int hsync_ctrl;
	int vsync_period;
	int display_hctl;
	int display_v_start;
	int display_v_end;
	int active_hctl;
	int active_h_start;
	int active_h_end;
	int active_v_start;
	int active_v_end;
	int ctrl_polarity;
	int h_back_porch;
	int h_front_porch;
	int v_back_porch;
	int v_front_porch;
	int hsync_pulse_width;
	int vsync_pulse_width;
	int hsync_polarity;
	int vsync_polarity;
	int data_en_polarity;
	int hsync_start_x;
	int hsync_end_x;
	uint8 *buf;
	unsigned int buf_offset;
	int bpp, ptype;
	struct fb_info *fbi;
	struct fb_var_screeninfo *var;
	struct msm_fb_data_type *mfd;
	struct mdp4_overlay_pipe *pipe;
	int ret = 0;
	int cndx = 0;
	struct vsycn_ctrl *vctrl;

	vctrl = &vsync_ctrl_db[cndx];
	mfd = (struct msm_fb_data_type *)platform_get_drvdata(pdev);

	if (!mfd)
		return -ENODEV;

	if (mfd->key != MFD_KEY)
		return -EINVAL;

	vctrl->mfd = mfd;
	vctrl->dev = mfd->fbi->dev;

	/* mdp clock on */
	mdp_clk_ctrl(1);

	fbi = mfd->fbi;
	var = &fbi->var;

	bpp = fbi->var.bits_per_pixel / 8;
	buf = (uint8 *) fbi->fix.smem_start;
	buf_offset = calc_fb_offset(mfd, fbi, bpp);

	if (vctrl->base_pipe == NULL) {
		ptype = mdp4_overlay_format2type(mfd->fb_imgType);
		if (ptype < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);
		pipe = mdp4_overlay_pipe_alloc(ptype, MDP4_MIXER0);
		if (pipe == NULL)
			printk(KERN_INFO "%s: pipe_alloc failed\n", __func__);
		pipe->pipe_used++;
		pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = mfd->fb_imgType;
		mdp4_overlay_panel_mode(pipe->mixer_num, MDP4_PANEL_LCDC);
		ret = mdp4_overlay_format2pipe(pipe);
		if (ret < 0)
			printk(KERN_INFO "%s: format2pipe failed\n", __func__);

		mdp4_init_writeback_buf(mfd, MDP4_MIXER0);
		pipe->ov_blt_addr = 0;
		pipe->dma_blt_addr = 0;

		vctrl->base_pipe = pipe; /* keep it */
	} else {
		pipe = vctrl->base_pipe;
	}

	pipe->src_height = fbi->var.yres;
	pipe->src_width = fbi->var.xres;
	pipe->src_h = fbi->var.yres;
	pipe->src_w = fbi->var.xres;
	pipe->src_y = 0;
	pipe->src_x = 0;
	pipe->dst_h = fbi->var.yres;
	pipe->dst_w = fbi->var.xres;
	if (mfd->map_buffer) {
		pipe->srcp0_addr = (unsigned int)mfd->map_buffer->iova[0] + \
			buf_offset;
		pr_debug("start 0x%lx srcp0_addr 0x%x\n", mfd->
			map_buffer->iova[0], pipe->srcp0_addr);
	} else {
		pipe->srcp0_addr = (uint32)(buf + buf_offset);
	}

	pipe->srcp0_ystride = fbi->fix.line_length;
	pipe->bpp = bpp;

	mdp4_overlay_mdp_pipe_req(pipe, mfd);

	atomic_set(&vctrl->suspend, 0);

	mdp4_overlay_dmap_xy(pipe);
	mdp4_overlay_dmap_cfg(mfd, 1);
	mdp4_overlay_rgb_setup(pipe);
	mdp4_overlayproc_cfg(pipe);

	mdp4_overlay_reg_flush(pipe, 1);
	mdp4_mixer_stage_up(pipe, 0);
	mdp4_mixer_stage_commit(pipe->mixer_num);


	/*
	 * LCDC timing setting
	 */
	h_back_porch = var->left_margin;
	h_front_porch = var->right_margin;
	v_back_porch = var->upper_margin;
	v_front_porch = var->lower_margin;
	hsync_pulse_width = var->hsync_len;
	vsync_pulse_width = var->vsync_len;
	lcdc_border_clr = mfd->panel_info.lcdc.border_clr;
	lcdc_underflow_clr = mfd->panel_info.lcdc.underflow_clr;
	lcdc_hsync_skew = mfd->panel_info.lcdc.hsync_skew;

	lcdc_width = var->xres + mfd->panel_info.lcdc.xres_pad;
	lcdc_height = var->yres + mfd->panel_info.lcdc.yres_pad;
	lcdc_bpp = mfd->panel_info.bpp;

	hsync_period =
	    hsync_pulse_width + h_back_porch + lcdc_width + h_front_porch;
	hsync_ctrl = (hsync_period << 16) | hsync_pulse_width;
	hsync_start_x = hsync_pulse_width + h_back_porch;
	hsync_end_x = hsync_period - h_front_porch - 1;
	display_hctl = (hsync_end_x << 16) | hsync_start_x;

	vsync_period =
	    (vsync_pulse_width + v_back_porch + lcdc_height +
	     v_front_porch) * hsync_period;
	display_v_start =
	    (vsync_pulse_width + v_back_porch) * hsync_period + lcdc_hsync_skew;
	display_v_end =
	    vsync_period - (v_front_porch * hsync_period) + lcdc_hsync_skew - 1;

	if (lcdc_width != var->xres) {
		active_h_start = hsync_start_x + first_pixel_start_x;
		active_h_end = active_h_start + var->xres - 1;
		active_hctl =
		    ACTIVE_START_X_EN | (active_h_end << 16) | active_h_start;
	} else {
		active_hctl = 0;
	}

	if (lcdc_height != var->yres) {
		active_v_start =
		    display_v_start + first_pixel_start_y * hsync_period;
		active_v_end = active_v_start + (var->yres) * hsync_period - 1;
		active_v_start |= ACTIVE_START_Y_EN;
	} else {
		active_v_start = 0;
		active_v_end = 0;
	}


#ifdef CONFIG_FB_MSM_MDP40
	hsync_polarity = 1;
	vsync_polarity = 1;
	lcdc_underflow_clr |= 0x80000000;	/* enable recovery */
#else
	hsync_polarity = 0;
	vsync_polarity = 0;
#endif
#if defined(CONFIG_MACH_ARIESVE) || defined(CONFIG_MACH_APACHE)
	data_en_polarity = 1;
#else
	data_en_polarity = 0;
#endif

	ctrl_polarity =
	    (data_en_polarity << 2) | (vsync_polarity << 1) | (hsync_polarity);

	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x4, hsync_ctrl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x8, vsync_period);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0xc, vsync_pulse_width * hsync_period);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x10, display_hctl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x14, display_v_start);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x18, display_v_end);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x28, lcdc_border_clr);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x2c, lcdc_underflow_clr);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x30, lcdc_hsync_skew);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x38, ctrl_polarity);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x1c, active_hctl);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x20, active_v_start);
	MDP_OUTP(MDP_BASE + LCDC_BASE + 0x24, active_v_end);
	mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);

	mdp_histogram_ctrl_all(TRUE);

#if defined(CONFIG_MACH_ANCORA) || defined(CONFIG_MACH_ANCORA_TMO)
	if (board_lcd_hw_revision == 3)
	{
		ret = panel_next_on(pdev);
		if (ret == 0) {
			/* enable LCDC block */
			MDP_OUTP(MDP_BASE + LCDC_BASE, 1);
			mdp_pipe_ctrl(MDP_OVERLAY0_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
		}
		/* MDP cmd block disable */
		mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);
	} else {
		/*
		 * LCDC Block must be enabled before the time of turn on lcd
		 * because of the signal timing.
		*/
		mdp4_overlay_lcdc_start();
	}
#else
	/*
	 * LCDC Block must be enabled before the time of turn on lcd
	 * because of the signal timing.
	 */
	mdp4_overlay_lcdc_start();
#endif

	if (!vctrl->sysfs_created) {
		ret = sysfs_create_group(&vctrl->dev->kobj,
			&vsync_fs_attr_group);
		if (ret) {
			pr_err("%s: sysfs group creation failed, ret=%d\n",
				__func__, ret);
			return ret;
		}

		kobject_uevent(&vctrl->dev->kobj, KOBJ_ADD);
		pr_debug("%s: kobject_uevent(KOBJ_ADD)\n", __func__);
		vctrl->sysfs_created = 1;
	}

	return ret;
}
int mdp4_mddi_pipe_commit(void)
{
	int  i, undx;
	int mixer = 0;
	struct vsycn_ctrl *vctrl;
	struct vsync_update *vp;
	struct mdp4_overlay_pipe *pipe;
	struct mdp4_overlay_pipe *real_pipe;
	unsigned long flags;
	int need_dmap_wait = 0;
	int need_ov_wait = 0;
	int cnt = 0;

	vctrl = &vsync_ctrl_db[0];

	mutex_lock(&vctrl->update_lock);
	undx =  vctrl->update_ndx;
	vp = &vctrl->vlist[undx];
	pipe = vctrl->base_pipe;
	mixer = pipe->mixer_num;

	if (vp->update_cnt == 0) {
		mutex_unlock(&vctrl->update_lock);
		return cnt;
	}

	vctrl->update_ndx++;
	vctrl->update_ndx &= 0x01;
	vp->update_cnt = 0;     /* reset */
	if (vctrl->blt_free) {
		vctrl->blt_free--;
		if (vctrl->blt_free == 0)
			mdp4_free_writeback_buf(vctrl->mfd, mixer);
	}
	mutex_unlock(&vctrl->update_lock);

	/* free previous committed iommu back to pool */
	mdp4_overlay_iommu_unmap_freelist(mixer);

	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (pipe->ov_blt_addr) {
		/* Blt */
		if (vctrl->blt_wait)
			need_dmap_wait = 1;
		if (vctrl->ov_koff != vctrl->ov_done) {
			INIT_COMPLETION(vctrl->ov_comp);
			need_ov_wait = 1;
		}
	} else {
		/* direct out */
		if (vctrl->dmap_koff != vctrl->dmap_done) {
			INIT_COMPLETION(vctrl->dmap_comp);
			pr_debug("%s: wait, ok=%d od=%d dk=%d dd=%d cpu=%d\n",
			 __func__, vctrl->ov_koff, vctrl->ov_done,
			vctrl->dmap_koff, vctrl->dmap_done, smp_processor_id());
			need_dmap_wait = 1;
		}
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	if (need_dmap_wait) {
		pr_debug("%s: wait4dmap\n", __func__);
		mdp4_mddi_wait4dmap(0);
	}

	if (need_ov_wait) {
		pr_debug("%s: wait4ov\n", __func__);
		mdp4_mddi_wait4ov(0);
	}

	if (pipe->ov_blt_addr) {
		if (vctrl->blt_end) {
			vctrl->blt_end = 0;
			pipe->ov_blt_addr = 0;
			pipe->dma_blt_addr =  0;
		}
	}

	if (vctrl->blt_change) {
		mdp4_overlayproc_cfg(pipe);
		mdp4_overlay_dmap_xy(pipe);
		vctrl->blt_change = 0;
	}

	pipe = vp->plist;
	for (i = 0; i < OVERLAY_PIPE_MAX; i++, pipe++) {
		if (pipe->pipe_used) {
			cnt++;
			real_pipe = mdp4_overlay_ndx2pipe(pipe->pipe_ndx);
			if (real_pipe && real_pipe->pipe_used) {
				/* pipe not unset */
			mdp4_overlay_vsync_commit(pipe);
			}
			/* free previous iommu to freelist
			* which will be freed at next
			* pipe_commit
			*/
			mdp4_overlay_iommu_pipe_free(pipe->pipe_ndx, 0);
			pipe->pipe_used = 0; /* clear */
		}
	}

	mdp4_mixer_stage_commit(mixer);

	pipe = vctrl->base_pipe;
	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (pipe->ov_blt_addr) {
		mdp4_mddi_blt_ov_update(pipe);
		pipe->ov_cnt++;
		vctrl->ov_koff++;
		vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
	} else {
		vsync_irq_enable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
		vctrl->dmap_koff++;
	}
	pr_debug("%s: kickoff\n", __func__);
	/* kickoff overlay engine */
	mdp4_stat.kickoff_ov0++;
	outpdw(MDP_BASE + 0x0004, 0);
	mb(); /* make sure kickoff ececuted */
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	mdp4_stat.overlay_commit[pipe->mixer_num]++;

	return cnt;
}