int mipi_dsi_update_panel(struct platform_device *pdev)
{
struct msm_fb_data_type *mfd;
struct fb_info *fbi;
struct msm_panel_info *pinfo;
struct mipi_panel_info *mipi;
uint8 lanes = 0, bpp;
uint32 h_period, v_period, dsi_pclk_rate;
mfd = platform_get_drvdata(pdev);
pinfo = &mfd->panel_info;
fbi = mfd->fbi;
fbi->var.pixclock = pinfo->clk_rate;
fbi->var.left_margin = pinfo->lcdc.h_back_porch;
fbi->var.right_margin = pinfo->lcdc.h_front_porch;
fbi->var.upper_margin = pinfo->lcdc.v_back_porch;
fbi->var.lower_margin = pinfo->lcdc.v_front_porch;
fbi->var.hsync_len = pinfo->lcdc.h_pulse_width;
fbi->var.vsync_len = pinfo->lcdc.v_pulse_width;
h_period = ((pinfo->lcdc.h_pulse_width)
+ (pinfo->lcdc.h_back_porch)
+ (pinfo->xres)
+ (pinfo->lcdc.h_front_porch));
v_period = ((pinfo->lcdc.v_pulse_width)
+ (pinfo->lcdc.v_back_porch)
+ (pinfo->yres)
+ (pinfo->lcdc.v_front_porch));
mipi = &pinfo->mipi;
if (mipi->data_lane3)
lanes += 1;
if (mipi->data_lane2)
lanes += 1;
if (mipi->data_lane1)
lanes += 1;
if (mipi->data_lane0)
lanes += 1;
if ((mipi->dst_format == DSI_CMD_DST_FORMAT_RGB888)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB888)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB666_LOOSE))
bpp = 3;
else if ((mipi->dst_format == DSI_CMD_DST_FORMAT_RGB565)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB565))
bpp = 2;
else
bpp = 3; /* Default format set to RGB888 */
if (pinfo->type == MIPI_VIDEO_PANEL) {
if (lanes > 0) {
pinfo->clk_rate =
((h_period * v_period * (mipi->frame_rate) * bpp * 8)
/ lanes);
} else {
pr_err("%s: forcing mipi_dsi lanes to 1\n", __func__);
pinfo->clk_rate =
(h_period * v_period
* (mipi->frame_rate) * bpp * 8);
}
}
pll_divider_config.clk_rate = pinfo->clk_rate;
mipi_dsi_clk_div_config(bpp, lanes, &dsi_pclk_rate);
if ((dsi_pclk_rate < 3300000) || (dsi_pclk_rate > 103300000))
dsi_pclk_rate = 35000000;
mipi->dsi_pclk_rate = dsi_pclk_rate;
return 0;
}
static int mipi_dsi_probe(struct platform_device *pdev)
{
struct msm_fb_data_type *mfd;
struct fb_info *fbi;
struct msm_panel_info *pinfo;
struct mipi_panel_info *mipi;
struct platform_device *mdp_dev = NULL;
struct msm_fb_panel_data *pdata = NULL;
int rc;
uint8 lanes = 0, bpp;
uint32 h_period, v_period, dsi_pclk_rate;
resource_size_t size ;
if ((pdev->id == 1) && (pdev->num_resources >= 0)) {
mipi_dsi_pdata = pdev->dev.platform_data;
size = resource_size(&pdev->resource[0]);
mipi_dsi_base = ioremap(pdev->resource[0].start, size);
MSM_FB_INFO("mipi_dsi base phy_addr = 0x%x virt = 0x%x\n",
pdev->resource[0].start, (int) mipi_dsi_base);
if (!mipi_dsi_base)
return -ENOMEM;
if (mdp_rev >= MDP_REV_41) {
mmss_sfpb_base = ioremap(MMSS_SFPB_BASE_PHY, 0x100);
MSM_FB_INFO("mmss_sfpb base phy_addr = 0x%x,"
"virt = 0x%x\n", MMSS_SFPB_BASE_PHY,
(int) mmss_sfpb_base);
if (!mmss_sfpb_base)
return -ENOMEM;
}
dsi_irq = platform_get_irq(pdev, 0);
if (dsi_irq < 0) {
pr_err("mipi_dsi: can not get mdp irq\n");
return -ENOMEM;
}
rc = request_irq(dsi_irq, mipi_dsi_isr, IRQF_DISABLED,
"MIPI_DSI", 0);
if (rc) {
pr_err("mipi_dsi_host request_irq() failed!\n");
return rc;
}
disable_irq(dsi_irq);
if (mdp_rev == MDP_REV_42 && mipi_dsi_pdata &&
mipi_dsi_pdata->target_type == 1) {
/* Target type is 1 for device with (De)serializer
* 0x4f00000 is the base for TV Encoder.
* Unused Offset 0x1000 is used for
* (de)serializer on emulation platform
*/
periph_base = ioremap(MMSS_SERDES_BASE_PHY, 0x100);
if (periph_base) {
pr_debug("periph_base %p\n", periph_base);
writel(0x4, periph_base + 0x28);
writel(0xc, periph_base + 0x28);
} else {
pr_err("periph_base is NULL\n");
free_irq(dsi_irq, 0);
return -ENOMEM;
}
}
if (mipi_dsi_pdata) {
vsync_gpio = mipi_dsi_pdata->vsync_gpio;
pr_debug("%s: vsync_gpio=%d\n", __func__, vsync_gpio);
if (mdp_rev == MDP_REV_303 &&
mipi_dsi_pdata->dsi_client_reset) {
if (mipi_dsi_pdata->dsi_client_reset())
pr_err("%s: DSI Client Reset failed!\n",
__func__);
else
pr_debug("%s: DSI Client Reset success\n",
__func__);
}
}
mipi_dsi_resource_initialized = 1;
return 0;
}
mipi_dsi_clk_init(&pdev->dev);
if (!mipi_dsi_resource_initialized)
return -EPERM;
mfd = platform_get_drvdata(pdev);
if (!mfd)
return -ENODEV;
if (mfd->key != MFD_KEY)
return -EINVAL;
if (pdev_list_cnt >= MSM_FB_MAX_DEV_LIST)
return -ENOMEM;
mdp_dev = platform_device_alloc("mdp", pdev->id);
if (!mdp_dev)
return -ENOMEM;
/*
* link to the latest pdev
*/
mfd->pdev = mdp_dev;
mfd->dest = DISPLAY_LCD;
/*
* alloc panel device data
*/
if (platform_device_add_data
(mdp_dev, pdev->dev.platform_data,
sizeof(struct msm_fb_panel_data))) {
pr_err("mipi_dsi_probe: platform_device_add_data failed!\n");
platform_device_put(mdp_dev);
return -ENOMEM;
}
/*
* data chain
*/
pdata = mdp_dev->dev.platform_data;
pdata->on = mipi_dsi_on;
pdata->off = mipi_dsi_off;
pdata->next = pdev;
/*
* get/set panel specific fb info
*/
mfd->panel_info = pdata->panel_info;
pinfo = &mfd->panel_info;
if (mdp_rev == MDP_REV_303 &&
mipi_dsi_pdata->get_lane_config) {
if (mipi_dsi_pdata->get_lane_config() != 2) {
pr_info("Changing to DSI Single Mode Configuration\n");
#ifdef CONFIG_FB_MSM_MDP303
update_lane_config(pinfo);
#endif
}
}
if (mfd->index == 0)
mfd->fb_imgType = MSMFB_DEFAULT_TYPE;
else
mfd->fb_imgType = MDP_RGB_565;
fbi = mfd->fbi;
fbi->var.pixclock = mfd->panel_info.clk_rate;
fbi->var.left_margin = mfd->panel_info.lcdc.h_back_porch;
fbi->var.right_margin = mfd->panel_info.lcdc.h_front_porch;
fbi->var.upper_margin = mfd->panel_info.lcdc.v_back_porch;
fbi->var.lower_margin = mfd->panel_info.lcdc.v_front_porch;
fbi->var.hsync_len = mfd->panel_info.lcdc.h_pulse_width;
fbi->var.vsync_len = mfd->panel_info.lcdc.v_pulse_width;
h_period = ((mfd->panel_info.lcdc.h_pulse_width)
+ (mfd->panel_info.lcdc.h_back_porch)
+ (mfd->panel_info.xres)
+ (mfd->panel_info.lcdc.h_front_porch));
v_period = ((mfd->panel_info.lcdc.v_pulse_width)
+ (mfd->panel_info.lcdc.v_back_porch)
+ (mfd->panel_info.yres)
+ (mfd->panel_info.lcdc.v_front_porch));
mipi = &mfd->panel_info.mipi;
if (mipi->data_lane3)
lanes += 1;
if (mipi->data_lane2)
lanes += 1;
if (mipi->data_lane1)
lanes += 1;
if (mipi->data_lane0)
lanes += 1;
if ((mipi->dst_format == DSI_CMD_DST_FORMAT_RGB888)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB888)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB666_LOOSE))
bpp = 3;
else if ((mipi->dst_format == DSI_CMD_DST_FORMAT_RGB565)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB565))
bpp = 2;
else
bpp = 3; /* Default format set to RGB888 */
if (mfd->panel_info.type == MIPI_VIDEO_PANEL &&
!mfd->panel_info.clk_rate) {
h_period += mfd->panel_info.mipi.xres_pad;
v_period += mfd->panel_info.mipi.yres_pad;
if (lanes > 0) {
mfd->panel_info.clk_rate =
((h_period * v_period * (mipi->frame_rate) * bpp * 8)
/ lanes);
} else {
pr_err("%s: forcing mipi_dsi lanes to 1\n", __func__);
mfd->panel_info.clk_rate =
(h_period * v_period
* (mipi->frame_rate) * bpp * 8);
}
}
pll_divider_config.clk_rate = mfd->panel_info.clk_rate;
rc = mipi_dsi_clk_div_config(bpp, lanes, &dsi_pclk_rate);
if (rc)
goto mipi_dsi_probe_err;
if ((dsi_pclk_rate < 3300000) || (dsi_pclk_rate > 103300000))
dsi_pclk_rate = 35000000;
mipi->dsi_pclk_rate = dsi_pclk_rate;
/*
* set driver data
*/
platform_set_drvdata(mdp_dev, mfd);
/*
* register in mdp driver
*/
rc = platform_device_add(mdp_dev);
if (rc)
goto mipi_dsi_probe_err;
pdev_list[pdev_list_cnt++] = pdev;
return 0;
mipi_dsi_probe_err:
platform_device_put(mdp_dev);
return rc;
}
