]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - drivers/video/rockchip/rk_vop.c
rockchip: video: refactor rk_vop and split RK3288-specific code off
[people/ms/u-boot.git] / drivers / video / rockchip / rk_vop.c
index c612b554fc4641ae7fbda7dbc3a58c2e87c53541..93437964b22119a347b68f10be6997bfb3e24722 100644 (file)
 #include <asm/hardware.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
-#include <asm/arch/cru_rk3288.h>
-#include <asm/arch/grf_rk3288.h>
 #include <asm/arch/edp_rk3288.h>
 #include <asm/arch/vop_rk3288.h>
 #include <dm/device-internal.h>
 #include <dm/uclass-internal.h>
-#include <dt-bindings/clock/rk3288-cru.h>
 #include <power/regulator.h>
+#include "rk_vop.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
-struct rk_vop_priv {
-       struct rk3288_vop *regs;
-       struct rk3288_grf *grf;
+enum vop_pol {
+       HSYNC_POSITIVE = 0,
+       VSYNC_POSITIVE = 1,
+       DEN_NEGATIVE   = 2,
+       DCLK_INVERT    = 3
 };
 
-void rkvop_enable(struct rk3288_vop *regs, ulong fbbase,
-                 int fb_bits_per_pixel, const struct display_timing *edid)
+static void rkvop_enable(struct rk3288_vop *regs, ulong fbbase,
+                        int fb_bits_per_pixel,
+                        const struct display_timing *edid)
 {
        u32 lb_mode;
        u32 rgb_mode;
@@ -89,54 +90,83 @@ void rkvop_enable(struct rk3288_vop *regs, ulong fbbase,
        writel(0x01, &regs->reg_cfg_done); /* enable reg config */
 }
 
-void rkvop_mode_set(struct rk3288_vop *regs,
-                   const struct display_timing *edid, enum vop_modes mode)
+static void rkvop_set_pin_polarity(struct udevice *dev,
+                                  enum vop_modes mode, u32 polarity)
 {
-       u32 hactive = edid->hactive.typ;
-       u32 vactive = edid->vactive.typ;
-       u32 hsync_len = edid->hsync_len.typ;
-       u32 hback_porch = edid->hback_porch.typ;
-       u32 vsync_len = edid->vsync_len.typ;
-       u32 vback_porch = edid->vback_porch.typ;
-       u32 hfront_porch = edid->hfront_porch.typ;
-       u32 vfront_porch = edid->vfront_porch.typ;
-       uint flags;
-       int mode_flags;
+       struct rkvop_driverdata *ops =
+               (struct rkvop_driverdata *)dev_get_driver_data(dev);
+
+       if (ops->set_pin_polarity)
+               ops->set_pin_polarity(dev, mode, polarity);
+}
+
+static void rkvop_enable_output(struct udevice *dev, enum vop_modes mode)
+{
+       struct rk_vop_priv *priv = dev_get_priv(dev);
+       struct rk3288_vop *regs = priv->regs;
 
        switch (mode) {
        case VOP_MODE_HDMI:
                clrsetbits_le32(&regs->sys_ctrl, M_ALL_OUT_EN,
                                V_HDMI_OUT_EN(1));
                break;
+
        case VOP_MODE_EDP:
-       default:
                clrsetbits_le32(&regs->sys_ctrl, M_ALL_OUT_EN,
                                V_EDP_OUT_EN(1));
                break;
+
        case VOP_MODE_LVDS:
                clrsetbits_le32(&regs->sys_ctrl, M_ALL_OUT_EN,
                                V_RGB_OUT_EN(1));
                break;
+
        case VOP_MODE_MIPI:
                clrsetbits_le32(&regs->sys_ctrl, M_ALL_OUT_EN,
                                V_MIPI_OUT_EN(1));
-                break;
+               break;
+
+       default:
+               debug("%s: unsupported output mode %x\n", __func__, mode);
        }
+}
 
-       if (mode == VOP_MODE_HDMI || mode == VOP_MODE_EDP)
-               /* RGBaaa */
-               mode_flags = 15;
-       else
-               /* RGB888 */
-               mode_flags = 0;
+static void rkvop_mode_set(struct udevice *dev,
+                          const struct display_timing *edid,
+                          enum vop_modes mode)
+{
+       struct rk_vop_priv *priv = dev_get_priv(dev);
+       struct rk3288_vop *regs = priv->regs;
+       struct rkvop_driverdata *data =
+               (struct rkvop_driverdata *)dev_get_driver_data(dev);
 
-       flags = V_DSP_OUT_MODE(mode_flags) |
-               V_DSP_HSYNC_POL(!!(edid->flags & DISPLAY_FLAGS_HSYNC_HIGH)) |
-               V_DSP_VSYNC_POL(!!(edid->flags & DISPLAY_FLAGS_VSYNC_HIGH));
+       u32 hactive = edid->hactive.typ;
+       u32 vactive = edid->vactive.typ;
+       u32 hsync_len = edid->hsync_len.typ;
+       u32 hback_porch = edid->hback_porch.typ;
+       u32 vsync_len = edid->vsync_len.typ;
+       u32 vback_porch = edid->vback_porch.typ;
+       u32 hfront_porch = edid->hfront_porch.typ;
+       u32 vfront_porch = edid->vfront_porch.typ;
+       int mode_flags;
+       u32 pin_polarity;
+
+       pin_polarity = BIT(DCLK_INVERT);
+       if (edid->flags & DISPLAY_FLAGS_HSYNC_HIGH)
+               pin_polarity |= BIT(HSYNC_POSITIVE);
+       if (edid->flags & DISPLAY_FLAGS_VSYNC_HIGH)
+               pin_polarity |= BIT(VSYNC_POSITIVE);
+
+       rkvop_set_pin_polarity(dev, mode, pin_polarity);
+       rkvop_enable_output(dev, mode);
 
-       clrsetbits_le32(&regs->dsp_ctrl0,
-                       M_DSP_OUT_MODE | M_DSP_VSYNC_POL | M_DSP_HSYNC_POL,
-                       flags);
+       mode_flags = 0;  /* RGB888 */
+       if ((data->features & VOP_FEATURE_OUTPUT_10BIT) &&
+           (mode == VOP_MODE_HDMI || mode == VOP_MODE_EDP))
+               mode_flags = 15;  /* RGBaaa */
+
+       clrsetbits_le32(&regs->dsp_ctrl0, M_DSP_OUT_MODE,
+                       V_DSP_OUT_MODE(mode_flags));
 
        writel(V_HSYNC(hsync_len) |
               V_HORPRD(hsync_len + hback_porch + hactive + hfront_porch),
@@ -185,7 +215,7 @@ void rkvop_mode_set(struct rk3288_vop *regs,
  *             node within the VOP's 'port' list.
  * @return 0 if OK, -ve if something went wrong
  */
-int rk_display_init(struct udevice *dev, ulong fbbase, int ep_node)
+static int rk_display_init(struct udevice *dev, ulong fbbase, int ep_node)
 {
        struct video_priv *uc_priv = dev_get_uclass_priv(dev);
        const void *blob = gd->fdt_blob;
@@ -255,18 +285,18 @@ int rk_display_init(struct udevice *dev, ulong fbbase, int ep_node)
        /* Set bitwidth for vop display according to vop mode */
        switch (vop_id) {
        case VOP_MODE_EDP:
-       case VOP_MODE_HDMI:
        case VOP_MODE_LVDS:
                l2bpp = VIDEO_BPP16;
                break;
+       case VOP_MODE_HDMI:
        case VOP_MODE_MIPI:
                l2bpp = VIDEO_BPP32;
                break;
        default:
                l2bpp = VIDEO_BPP16;
        }
-       rkvop_mode_set(regs, &timing, vop_id);
 
+       rkvop_mode_set(dev, &timing, vop_id);
        rkvop_enable(regs, fbbase, 1 << l2bpp, &timing);
 
        ret = display_enable(disp, 1 << l2bpp, &timing);
@@ -281,53 +311,37 @@ int rk_display_init(struct udevice *dev, ulong fbbase, int ep_node)
        return 0;
 }
 
-static int rk_vop_probe(struct udevice *dev)
+void rk_vop_probe_regulators(struct udevice *dev,
+                            const char * const *names, int cnt)
+{
+       int i, ret;
+       const char *name;
+       struct udevice *reg;
+
+       for (i = 0; i < cnt; ++i) {
+               name = names[i];
+               debug("%s: probing regulator '%s'\n", dev->name, name);
+
+               ret = regulator_autoset_by_name(name, &reg);
+               if (!ret)
+                       ret = regulator_set_enable(reg, true);
+       }
+}
+
+int rk_vop_probe(struct udevice *dev)
 {
        struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
        const void *blob = gd->fdt_blob;
        struct rk_vop_priv *priv = dev_get_priv(dev);
-       struct udevice *reg;
-       int ret, port, node;
+       int ret = 0;
+       int port, node;
 
        /* Before relocation we don't need to do anything */
        if (!(gd->flags & GD_FLG_RELOC))
                return 0;
 
-       priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
        priv->regs = (struct rk3288_vop *)devfdt_get_addr(dev);
 
-       /* lcdc(vop) iodomain select 1.8V */
-       rk_setreg(&priv->grf->io_vsel, 1 << 0);
-
-       /*
-        * Try some common regulators. We should really get these from the
-        * device tree somehow.
-        */
-       ret = regulator_autoset_by_name("vcc18_lcd", &reg);
-       if (ret)
-               debug("%s: Cannot autoset regulator vcc18_lcd\n", __func__);
-       ret = regulator_autoset_by_name("VCC18_LCD", &reg);
-       if (ret)
-               debug("%s: Cannot autoset regulator VCC18_LCD\n", __func__);
-       ret = regulator_autoset_by_name("vdd10_lcd_pwren_h", &reg);
-       if (ret) {
-               debug("%s: Cannot autoset regulator vdd10_lcd_pwren_h\n",
-                     __func__);
-       }
-       ret = regulator_autoset_by_name("vdd10_lcd", &reg);
-       if (ret) {
-               debug("%s: Cannot autoset regulator vdd10_lcd\n",
-                     __func__);
-       }
-       ret = regulator_autoset_by_name("VDD10_LCD", &reg);
-       if (ret) {
-               debug("%s: Cannot autoset regulator VDD10_LCD\n",
-                     __func__);
-       }
-       ret = regulator_autoset_by_name("vcc33_lcd", &reg);
-       if (ret)
-               debug("%s: Cannot autoset regulator vcc33_lcd\n", __func__);
-
        /*
         * Try all the ports until we find one that works. In practice this
         * tries EDP first if available, then HDMI.
@@ -353,7 +367,7 @@ static int rk_vop_probe(struct udevice *dev)
        return ret;
 }
 
-static int rk_vop_bind(struct udevice *dev)
+int rk_vop_bind(struct udevice *dev)
 {
        struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
 
@@ -362,23 +376,3 @@ static int rk_vop_bind(struct udevice *dev)
 
        return 0;
 }
-
-static const struct video_ops rk_vop_ops = {
-};
-
-static const struct udevice_id rk_vop_ids[] = {
-       { .compatible = "rockchip,rk3399-vop-big" },
-       { .compatible = "rockchip,rk3399-vop-lit" },
-       { .compatible = "rockchip,rk3288-vop" },
-       { }
-};
-
-U_BOOT_DRIVER(rk_vop) = {
-       .name   = "rk_vop",
-       .id     = UCLASS_VIDEO,
-       .of_match = rk_vop_ids,
-       .ops    = &rk_vop_ops,
-       .bind   = rk_vop_bind,
-       .probe  = rk_vop_probe,
-       .priv_auto_alloc_size   = sizeof(struct rk_vop_priv),
-};