Esempio n. 1
0
void mdp4_overlay_update_dsi_cmd(struct msm_fb_data_type *mfd)
{
    MDPIBUF *iBuf = &mfd->ibuf;
    struct fb_info *fbi;
    uint8 *src;
    int ptype;
    struct mdp4_overlay_pipe *pipe;
    int ret;
    int bpp;

    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__);
            return;
        }
        pipe->pipe_used++;
        pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
        pipe->mixer_num  = MDP4_MIXER0;
        pipe->src_format = mfd->fb_imgType;
        pipe->is_3d = 0;
        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__);

        dsi_pipe = pipe; /* keep it */

        fbi = mfd->fbi;
        bpp = fbi->var.bits_per_pixel / 8;
        src = (uint8 *) iBuf->buf;
        writeback_offset = mdp4_overlay_writeback_setup(
                               fbi, pipe, src, bpp);
#ifdef OVERLAY_BLT_EMBEDDED
        pipe->blt_base = mfd->blt_base;
        PR_DISP_INFO("%s: blt_base=%08x\n", __func__,
                     (uint32_t)pipe->blt_base);
#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);

        MDP_OUTP(MDP_BASE + 0x0021c, 0x10);
    } 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();
}
Esempio n. 2
0
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 += 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, 0);
        if (pipe == NULL) {
            printk(KERN_INFO "%s: pipe_alloc failed\n", __func__);
            return -EINVAL;
        }
        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);

        writeback_offset = mdp4_overlay_writeback_setup(
                               fbi, pipe, buf, bpp);
    } 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;
    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_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

    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;
}
Esempio n. 3
0
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;
	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;

	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 (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__);
			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__);

		dsi_pipe = pipe; /* keep it */

		writeback_offset = mdp4_overlay_writeback_setup(
						fbi, pipe, buf, bpp);
		writeback_size = ALIGN(fbi->var.xres, 32) * fbi->var.yres * 3 * 2;

		writeback_addr = (char *)ioremap(dsi_pipe->blt_base, writeback_size);

		if (!map_wb_address) {
			blank_wb_buf = ioremap((unsigned long)writeback_offset, ALIGN(fbi->var.xres, 32) * fbi->var.yres * bpp);
			map_wb_address = 1;
			if (!blank_wb_buf) {
				PR_DISP_ERR("%s: blank_wb_buf ioremap failed!\n", __func__);
				map_wb_address = 0;
			}
		}
	} else {
		pipe = dsi_pipe;
	}

	/* 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);
	}

	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;
	pipe->bpp = bpp;

	if (pipe->src_format != mfd->fb_imgType) {
		pipe->src_format = mfd->fb_imgType;
		ret = mdp4_overlay_format2pipe(pipe);
		if (ret < 0)
			printk(KERN_INFO "%s: format2type failed\n", __func__);
	}

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

	mdp4_overlay_rgb_setup(pipe);

	mdp4_mixer_stage_up(pipe);

	mdp4_overlayproc_cfg(pipe);

	/*
	 * 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;
	dsi_height = mfd->panel_info.yres;
	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_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);
	mdp4_overlay_reg_flush(pipe, 1);

	ret = panel_next_on(pdev);
	if (ret == 0) {
		/* enable DSI block */
		MDP_OUTP(MDP_BASE + DSI_VIDEO_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;
}