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path: root/drivers/video/rockchip/rk_hdmi.c
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Diffstat (limited to 'drivers/video/rockchip/rk_hdmi.c')
-rw-r--r--drivers/video/rockchip/rk_hdmi.c115
1 files changed, 26 insertions, 89 deletions
diff --git a/drivers/video/rockchip/rk_hdmi.c b/drivers/video/rockchip/rk_hdmi.c
index cd695ca..a9c8fba 100644
--- a/drivers/video/rockchip/rk_hdmi.c
+++ b/drivers/video/rockchip/rk_hdmi.c
@@ -1,4 +1,5 @@
/*
+ * Copyright (c) 2017 Theobroma Systems Design und Consulting GmbH
* Copyright (c) 2015 Google, Inc
* Copyright 2014 Rockchip Inc.
*
@@ -14,15 +15,12 @@
#include <regmap.h>
#include <syscon.h>
#include <asm/gpio.h>
+#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
-#include <asm/arch/grf_rk3288.h>
-#include <power/regulator.h>
-
-struct rk_hdmi_priv {
- struct dw_hdmi hdmi;
- struct rk3288_grf *grf;
-};
+#include <asm/arch/hardware.h>
+#include "rk_hdmi.h"
+#include "rk_vop.h" /* for rk_vop_probe_regulators */
static const struct hdmi_phy_config rockchip_phy_config[] = {
{
@@ -35,6 +33,9 @@ static const struct hdmi_phy_config rockchip_phy_config[] = {
.mpixelclock = 297000000,
.sym_ctr = 0x8039, .term = 0x0005, .vlev_ctr = 0x028d,
}, {
+ .mpixelclock = 584000000,
+ .sym_ctr = 0x8039, .term = 0x0000, .vlev_ctr = 0x019d,
+ }, {
.mpixelclock = ~0ul,
.sym_ctr = 0x0000, .term = 0x0000, .vlev_ctr = 0x0000,
}
@@ -60,27 +61,25 @@ static const struct hdmi_mpll_config rockchip_mpll_cfg[] = {
.mpixelclock = 148500000,
.cpce = 0x0051, .gmp = 0x0003, .curr = 0x0000,
}, {
+ .mpixelclock = 272000000,
+ .cpce = 0x0040, .gmp = 0x0003, .curr = 0x0000,
+ }, {
+ .mpixelclock = 340000000,
+ .cpce = 0x0040, .gmp = 0x0003, .curr = 0x0000,
+ }, {
.mpixelclock = ~0ul,
.cpce = 0x0051, .gmp = 0x0003, .curr = 0x0000,
}
};
-static int rk_hdmi_read_edid(struct udevice *dev, u8 *buf, int buf_size)
+int rk_hdmi_read_edid(struct udevice *dev, u8 *buf, int buf_size)
{
struct rk_hdmi_priv *priv = dev_get_priv(dev);
return dw_hdmi_read_edid(&priv->hdmi, buf, buf_size);
}
-static int rk_hdmi_enable(struct udevice *dev, int panel_bpp,
- const struct display_timing *edid)
-{
- struct rk_hdmi_priv *priv = dev_get_priv(dev);
-
- return dw_hdmi_enable(&priv->hdmi, edid);
-}
-
-static int rk_hdmi_ofdata_to_platdata(struct udevice *dev)
+int rk_hdmi_ofdata_to_platdata(struct udevice *dev)
{
struct rk_hdmi_priv *priv = dev_get_priv(dev);
struct dw_hdmi *hdmi = &priv->hdmi;
@@ -88,15 +87,9 @@ static int rk_hdmi_ofdata_to_platdata(struct udevice *dev)
hdmi->ioaddr = (ulong)devfdt_get_addr(dev);
hdmi->mpll_cfg = rockchip_mpll_cfg;
hdmi->phy_cfg = rockchip_phy_config;
- hdmi->i2c_clk_high = 0x7a;
- hdmi->i2c_clk_low = 0x8d;
-
- /*
- * TODO(sjg@chromium.org): The above values don't work - these ones
- * work better, but generate lots of errors in the data.
- */
- hdmi->i2c_clk_high = 0x0d;
- hdmi->i2c_clk_low = 0x0d;
+
+ /* hdmi->i2c_clk_{high,low} are set up by the SoC driver */
+
hdmi->reg_io_width = 4;
hdmi->phy_set = dw_hdmi_phy_cfg;
@@ -105,53 +98,17 @@ static int rk_hdmi_ofdata_to_platdata(struct udevice *dev)
return 0;
}
-static int rk_hdmi_probe(struct udevice *dev)
+void rk_hdmi_probe_regulators(struct udevice *dev,
+ const char * const *names, int cnt)
+{
+ rk_vop_probe_regulators(dev, names, cnt);
+}
+
+int rk_hdmi_probe(struct udevice *dev)
{
- struct display_plat *uc_plat = dev_get_uclass_platdata(dev);
struct rk_hdmi_priv *priv = dev_get_priv(dev);
struct dw_hdmi *hdmi = &priv->hdmi;
- struct udevice *reg;
- struct clk clk;
int ret;
- int vop_id = uc_plat->source_id;
-
- ret = clk_get_by_index(dev, 0, &clk);
- if (ret >= 0) {
- ret = clk_set_rate(&clk, 0);
- clk_free(&clk);
- }
- if (ret) {
- debug("%s: Failed to set hdmi clock: ret=%d\n", __func__, ret);
- return ret;
- }
-
- /*
- * Configure the maximum clock to permit whatever resolution the
- * monitor wants
- */
- ret = clk_get_by_index(uc_plat->src_dev, 0, &clk);
- if (ret >= 0) {
- ret = clk_set_rate(&clk, 384000000);
- clk_free(&clk);
- }
- if (ret < 0) {
- debug("%s: Failed to set clock in source device '%s': ret=%d\n",
- __func__, uc_plat->src_dev->name, ret);
- return ret;
- }
-
- ret = regulator_get_by_platname("vcc50_hdmi", &reg);
- if (!ret)
- ret = regulator_set_enable(reg, true);
- if (ret)
- debug("%s: Cannot set regulator vcc50_hdmi\n", __func__);
-
- /* hdmi source select hdmi controller */
- rk_setreg(&priv->grf->soc_con6, 1 << 15);
-
- /* hdmi data from vop id */
- rk_clrsetreg(&priv->grf->soc_con6, 1 << 4,
- (vop_id == 1) ? (1 << 4) : 0);
ret = dw_hdmi_phy_wait_for_hpd(hdmi);
if (ret < 0) {
@@ -164,23 +121,3 @@ static int rk_hdmi_probe(struct udevice *dev)
return 0;
}
-
-static const struct dm_display_ops rk_hdmi_ops = {
- .read_edid = rk_hdmi_read_edid,
- .enable = rk_hdmi_enable,
-};
-
-static const struct udevice_id rk_hdmi_ids[] = {
- { .compatible = "rockchip,rk3288-dw-hdmi" },
- { }
-};
-
-U_BOOT_DRIVER(hdmi_rockchip) = {
- .name = "hdmi_rockchip",
- .id = UCLASS_DISPLAY,
- .of_match = rk_hdmi_ids,
- .ops = &rk_hdmi_ops,
- .ofdata_to_platdata = rk_hdmi_ofdata_to_platdata,
- .probe = rk_hdmi_probe,
- .priv_auto_alloc_size = sizeof(struct rk_hdmi_priv),
-};