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-rw-r--r--drivers/gpu/drm/mediatek/Makefile5
-rw-r--r--drivers/gpu/drm/mediatek/mtk_disp_ovl.c11
-rw-r--r--drivers/gpu/drm/mediatek/mtk_disp_rdma.c92
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dpi.c131
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dpi_regs.h2
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_crtc.c47
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_crtc.h3
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_ddp.c32
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c2
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h9
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_drv.c29
-rw-r--r--drivers/gpu/drm/mediatek/mtk_hdmi.c20
-rw-r--r--drivers/gpu/drm/mediatek/mtk_hdmi.h2
-rw-r--r--drivers/gpu/drm/mediatek/mtk_hdmi_phy.c235
-rw-r--r--drivers/gpu/drm/mediatek/mtk_hdmi_phy.h60
-rw-r--r--drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c212
-rw-r--r--drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c226
17 files changed, 798 insertions, 320 deletions
diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile
index ce83c396a742..82ae49c64221 100644
--- a/drivers/gpu/drm/mediatek/Makefile
+++ b/drivers/gpu/drm/mediatek/Makefile
@@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
+
mediatek-drm-y := mtk_disp_color.o \
mtk_disp_ovl.o \
mtk_disp_rdma.o \
@@ -18,6 +19,8 @@ obj-$(CONFIG_DRM_MEDIATEK) += mediatek-drm.o
mediatek-drm-hdmi-objs := mtk_cec.o \
mtk_hdmi.o \
mtk_hdmi_ddc.o \
- mtk_mt8173_hdmi_phy.o
+ mtk_mt2701_hdmi_phy.o \
+ mtk_mt8173_hdmi_phy.o \
+ mtk_hdmi_phy.o
obj-$(CONFIG_DRM_MEDIATEK_HDMI) += mediatek-drm-hdmi.o
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 978782a77629..28d191192945 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -132,6 +132,11 @@ static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w,
writel(0x0, comp->regs + DISP_REG_OVL_RST);
}
+static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp)
+{
+ return 4;
+}
+
static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx)
{
unsigned int reg;
@@ -157,6 +162,11 @@ static void mtk_ovl_layer_off(struct mtk_ddp_comp *comp, unsigned int idx)
static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt)
{
+ /* The return value in switch "MEM_MODE_INPUT_FORMAT_XXX"
+ * is defined in mediatek HW data sheet.
+ * The alphabet order in XXX is no relation to data
+ * arrangement in memory.
+ */
switch (fmt) {
default:
case DRM_FORMAT_RGB565:
@@ -221,6 +231,7 @@ static const struct mtk_ddp_comp_funcs mtk_disp_ovl_funcs = {
.stop = mtk_ovl_stop,
.enable_vblank = mtk_ovl_enable_vblank,
.disable_vblank = mtk_ovl_disable_vblank,
+ .layer_nr = mtk_ovl_layer_nr,
.layer_on = mtk_ovl_layer_on,
.layer_off = mtk_ovl_layer_off,
.layer_config = mtk_ovl_layer_config,
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 585943c81e1f..b0a5cffe345a 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -31,14 +31,31 @@
#define RDMA_REG_UPDATE_INT BIT(0)
#define DISP_REG_RDMA_GLOBAL_CON 0x0010
#define RDMA_ENGINE_EN BIT(0)
+#define RDMA_MODE_MEMORY BIT(1)
#define DISP_REG_RDMA_SIZE_CON_0 0x0014
+#define RDMA_MATRIX_ENABLE BIT(17)
+#define RDMA_MATRIX_INT_MTX_SEL GENMASK(23, 20)
+#define RDMA_MATRIX_INT_MTX_BT601_to_RGB (6 << 20)
#define DISP_REG_RDMA_SIZE_CON_1 0x0018
#define DISP_REG_RDMA_TARGET_LINE 0x001c
+#define DISP_RDMA_MEM_CON 0x0024
+#define MEM_MODE_INPUT_FORMAT_RGB565 (0x000 << 4)
+#define MEM_MODE_INPUT_FORMAT_RGB888 (0x001 << 4)
+#define MEM_MODE_INPUT_FORMAT_RGBA8888 (0x002 << 4)
+#define MEM_MODE_INPUT_FORMAT_ARGB8888 (0x003 << 4)
+#define MEM_MODE_INPUT_FORMAT_UYVY (0x004 << 4)
+#define MEM_MODE_INPUT_FORMAT_YUYV (0x005 << 4)
+#define MEM_MODE_INPUT_SWAP BIT(8)
+#define DISP_RDMA_MEM_SRC_PITCH 0x002c
+#define DISP_RDMA_MEM_GMC_SETTING_0 0x0030
#define DISP_REG_RDMA_FIFO_CON 0x0040
#define RDMA_FIFO_UNDERFLOW_EN BIT(31)
#define RDMA_FIFO_PSEUDO_SIZE(bytes) (((bytes) / 16) << 16)
#define RDMA_OUTPUT_VALID_FIFO_THRESHOLD(bytes) ((bytes) / 16)
#define RDMA_FIFO_SIZE(rdma) ((rdma)->data->fifo_size)
+#define DISP_RDMA_MEM_START_ADDR 0x0f00
+
+#define RDMA_MEM_GMC 0x40402020
struct mtk_disp_rdma_data {
unsigned int fifo_size;
@@ -138,12 +155,87 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width,
writel(reg, comp->regs + DISP_REG_RDMA_FIFO_CON);
}
+static unsigned int rdma_fmt_convert(struct mtk_disp_rdma *rdma,
+ unsigned int fmt)
+{
+ /* The return value in switch "MEM_MODE_INPUT_FORMAT_XXX"
+ * is defined in mediatek HW data sheet.
+ * The alphabet order in XXX is no relation to data
+ * arrangement in memory.
+ */
+ switch (fmt) {
+ default:
+ case DRM_FORMAT_RGB565:
+ return MEM_MODE_INPUT_FORMAT_RGB565;
+ case DRM_FORMAT_BGR565:
+ return MEM_MODE_INPUT_FORMAT_RGB565 | MEM_MODE_INPUT_SWAP;
+ case DRM_FORMAT_RGB888:
+ return MEM_MODE_INPUT_FORMAT_RGB888;
+ case DRM_FORMAT_BGR888:
+ return MEM_MODE_INPUT_FORMAT_RGB888 | MEM_MODE_INPUT_SWAP;
+ case DRM_FORMAT_RGBX8888:
+ case DRM_FORMAT_RGBA8888:
+ return MEM_MODE_INPUT_FORMAT_ARGB8888;
+ case DRM_FORMAT_BGRX8888:
+ case DRM_FORMAT_BGRA8888:
+ return MEM_MODE_INPUT_FORMAT_ARGB8888 | MEM_MODE_INPUT_SWAP;
+ case DRM_FORMAT_XRGB8888:
+ case DRM_FORMAT_ARGB8888:
+ return MEM_MODE_INPUT_FORMAT_RGBA8888;
+ case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_ABGR8888:
+ return MEM_MODE_INPUT_FORMAT_RGBA8888 | MEM_MODE_INPUT_SWAP;
+ case DRM_FORMAT_UYVY:
+ return MEM_MODE_INPUT_FORMAT_UYVY;
+ case DRM_FORMAT_YUYV:
+ return MEM_MODE_INPUT_FORMAT_YUYV;
+ }
+}
+
+static unsigned int mtk_rdma_layer_nr(struct mtk_ddp_comp *comp)
+{
+ return 1;
+}
+
+static void mtk_rdma_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
+ struct mtk_plane_state *state)
+{
+ struct mtk_disp_rdma *rdma = comp_to_rdma(comp);
+ struct mtk_plane_pending_state *pending = &state->pending;
+ unsigned int addr = pending->addr;
+ unsigned int pitch = pending->pitch & 0xffff;
+ unsigned int fmt = pending->format;
+ unsigned int con;
+
+ con = rdma_fmt_convert(rdma, fmt);
+ writel_relaxed(con, comp->regs + DISP_RDMA_MEM_CON);
+
+ if (fmt == DRM_FORMAT_UYVY || fmt == DRM_FORMAT_YUYV) {
+ rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0,
+ RDMA_MATRIX_ENABLE, RDMA_MATRIX_ENABLE);
+ rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0,
+ RDMA_MATRIX_INT_MTX_SEL,
+ RDMA_MATRIX_INT_MTX_BT601_to_RGB);
+ } else {
+ rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0,
+ RDMA_MATRIX_ENABLE, 0);
+ }
+
+ writel_relaxed(addr, comp->regs + DISP_RDMA_MEM_START_ADDR);
+ writel_relaxed(pitch, comp->regs + DISP_RDMA_MEM_SRC_PITCH);
+ writel(RDMA_MEM_GMC, comp->regs + DISP_RDMA_MEM_GMC_SETTING_0);
+ rdma_update_bits(comp, DISP_REG_RDMA_GLOBAL_CON,
+ RDMA_MODE_MEMORY, RDMA_MODE_MEMORY);
+}
+
static const struct mtk_ddp_comp_funcs mtk_disp_rdma_funcs = {
.config = mtk_rdma_config,
.start = mtk_rdma_start,
.stop = mtk_rdma_stop,
.enable_vblank = mtk_rdma_enable_vblank,
.disable_vblank = mtk_rdma_disable_vblank,
+ .layer_nr = mtk_rdma_layer_nr,
+ .layer_config = mtk_rdma_layer_config,
};
static int mtk_disp_rdma_bind(struct device *dev, struct device *master,
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 6c0ea39d5739..62a9d47df948 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -14,10 +14,12 @@
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_of.h>
#include <linux/kernel.h>
#include <linux/component.h>
#include <linux/platform_device.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/interrupt.h>
#include <linux/types.h>
@@ -72,12 +74,12 @@ struct mtk_dpi {
struct clk *tvd_clk;
int irq;
struct drm_display_mode mode;
+ const struct mtk_dpi_conf *conf;
enum mtk_dpi_out_color_format color_format;
enum mtk_dpi_out_yc_map yc_map;
enum mtk_dpi_out_bit_num bit_num;
enum mtk_dpi_out_channel_swap channel_swap;
- bool power_sta;
- u8 power_ctl;
+ int refcount;
};
static inline struct mtk_dpi *mtk_dpi_from_encoder(struct drm_encoder *e)
@@ -90,11 +92,6 @@ enum mtk_dpi_polarity {
MTK_DPI_POLARITY_FALLING,
};
-enum mtk_dpi_power_ctl {
- DPI_POWER_START = BIT(0),
- DPI_POWER_ENABLE = BIT(1),
-};
-
struct mtk_dpi_polarities {
enum mtk_dpi_polarity de_pol;
enum mtk_dpi_polarity ck_pol;
@@ -116,6 +113,12 @@ struct mtk_dpi_yc_limit {
u16 c_bottom;
};
+struct mtk_dpi_conf {
+ unsigned int (*cal_factor)(int clock);
+ u32 reg_h_fre_con;
+ bool edge_sel_en;
+};
+
static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val, u32 mask)
{
u32 tmp = readl(dpi->regs + offset) & ~mask;
@@ -341,7 +344,13 @@ static void mtk_dpi_config_swap_input(struct mtk_dpi *dpi, bool enable)
static void mtk_dpi_config_2n_h_fre(struct mtk_dpi *dpi)
{
- mtk_dpi_mask(dpi, DPI_H_FRE_CON, H_FRE_2N, H_FRE_2N);
+ mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, H_FRE_2N, H_FRE_2N);
+}
+
+static void mtk_dpi_config_disable_edge(struct mtk_dpi *dpi)
+{
+ if (dpi->conf->edge_sel_en)
+ mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, 0, EDGE_SEL_EN);
}
static void mtk_dpi_config_color_format(struct mtk_dpi *dpi,
@@ -367,40 +376,30 @@ static void mtk_dpi_config_color_format(struct mtk_dpi *dpi,
}
}
-static void mtk_dpi_power_off(struct mtk_dpi *dpi, enum mtk_dpi_power_ctl pctl)
+static void mtk_dpi_power_off(struct mtk_dpi *dpi)
{
- dpi->power_ctl &= ~pctl;
-
- if ((dpi->power_ctl & DPI_POWER_START) ||
- (dpi->power_ctl & DPI_POWER_ENABLE))
+ if (WARN_ON(dpi->refcount == 0))
return;
- if (!dpi->power_sta)
+ if (--dpi->refcount != 0)
return;
mtk_dpi_disable(dpi);
clk_disable_unprepare(dpi->pixel_clk);
clk_disable_unprepare(dpi->engine_clk);
- dpi->power_sta = false;
}
-static int mtk_dpi_power_on(struct mtk_dpi *dpi, enum mtk_dpi_power_ctl pctl)
+static int mtk_dpi_power_on(struct mtk_dpi *dpi)
{
int ret;
- dpi->power_ctl |= pctl;
-
- if (!(dpi->power_ctl & DPI_POWER_START) &&
- !(dpi->power_ctl & DPI_POWER_ENABLE))
- return 0;
-
- if (dpi->power_sta)
+ if (++dpi->refcount != 1)
return 0;
ret = clk_prepare_enable(dpi->engine_clk);
if (ret) {
dev_err(dpi->dev, "Failed to enable engine clock: %d\n", ret);
- goto err_eng;
+ goto err_refcount;
}
ret = clk_prepare_enable(dpi->pixel_clk);
@@ -410,13 +409,12 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi, enum mtk_dpi_power_ctl pctl)
}
mtk_dpi_enable(dpi);
- dpi->power_sta = true;
return 0;
err_pixel:
clk_disable_unprepare(dpi->engine_clk);
-err_eng:
- dpi->power_ctl &= ~pctl;
+err_refcount:
+ dpi->refcount--;
return ret;
}
@@ -435,15 +433,7 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
unsigned int factor;
/* let pll_rate can fix the valid range of tvdpll (1G~2GHz) */
-
- if (mode->clock <= 27000)
- factor = 3 << 4;
- else if (mode->clock <= 84000)
- factor = 3 << 3;
- else if (mode->clock <= 167000)
- factor = 3 << 2;
- else
- factor = 3 << 1;
+ factor = dpi->conf->cal_factor(mode->clock);
drm_display_mode_to_videomode(mode, &vm);
pll_rate = vm.pixelclock * factor;
@@ -518,6 +508,7 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
mtk_dpi_config_yc_map(dpi, dpi->yc_map);
mtk_dpi_config_color_format(dpi, dpi->color_format);
mtk_dpi_config_2n_h_fre(dpi);
+ mtk_dpi_config_disable_edge(dpi);
mtk_dpi_sw_reset(dpi, false);
return 0;
@@ -552,14 +543,14 @@ static void mtk_dpi_encoder_disable(struct drm_encoder *encoder)
{
struct mtk_dpi *dpi = mtk_dpi_from_encoder(encoder);
- mtk_dpi_power_off(dpi, DPI_POWER_ENABLE);
+ mtk_dpi_power_off(dpi);
}
static void mtk_dpi_encoder_enable(struct drm_encoder *encoder)
{
struct mtk_dpi *dpi = mtk_dpi_from_encoder(encoder);
- mtk_dpi_power_on(dpi, DPI_POWER_ENABLE);
+ mtk_dpi_power_on(dpi);
mtk_dpi_set_display_mode(dpi, &dpi->mode);
}
@@ -582,14 +573,14 @@ static void mtk_dpi_start(struct mtk_ddp_comp *comp)
{
struct mtk_dpi *dpi = container_of(comp, struct mtk_dpi, ddp_comp);
- mtk_dpi_power_on(dpi, DPI_POWER_START);
+ mtk_dpi_power_on(dpi);
}
static void mtk_dpi_stop(struct mtk_ddp_comp *comp)
{
struct mtk_dpi *dpi = container_of(comp, struct mtk_dpi, ddp_comp);
- mtk_dpi_power_off(dpi, DPI_POWER_START);
+ mtk_dpi_power_off(dpi);
}
static const struct mtk_ddp_comp_funcs mtk_dpi_funcs = {
@@ -656,12 +647,46 @@ static const struct component_ops mtk_dpi_component_ops = {
.unbind = mtk_dpi_unbind,
};
+static unsigned int mt8173_calculate_factor(int clock)
+{
+ if (clock <= 27000)
+ return 3 << 4;
+ else if (clock <= 84000)
+ return 3 << 3;
+ else if (clock <= 167000)
+ return 3 << 2;
+ else
+ return 3 << 1;
+}
+
+static unsigned int mt2701_calculate_factor(int clock)
+{
+ if (clock <= 64000)
+ return 16;
+ else if (clock <= 128000)
+ return 8;
+ else if (clock <= 256000)
+ return 4;
+ else
+ return 2;
+}
+
+static const struct mtk_dpi_conf mt8173_conf = {
+ .cal_factor = mt8173_calculate_factor,
+ .reg_h_fre_con = 0xe0,
+};
+
+static const struct mtk_dpi_conf mt2701_conf = {
+ .cal_factor = mt2701_calculate_factor,
+ .reg_h_fre_con = 0xb0,
+ .edge_sel_en = true,
+};
+
static int mtk_dpi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct mtk_dpi *dpi;
struct resource *mem;
- struct device_node *bridge_node;
int comp_id;
int ret;
@@ -670,6 +695,7 @@ static int mtk_dpi_probe(struct platform_device *pdev)
return -ENOMEM;
dpi->dev = dev;
+ dpi->conf = (struct mtk_dpi_conf *)of_device_get_match_data(dev);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dpi->regs = devm_ioremap_resource(dev, mem);
@@ -706,16 +732,12 @@ static int mtk_dpi_probe(struct platform_device *pdev)
return -EINVAL;
}
- bridge_node = of_graph_get_remote_node(dev->of_node, 0, 0);
- if (!bridge_node)
- return -ENODEV;
-
- dev_info(dev, "Found bridge node: %pOF\n", bridge_node);
+ ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0,
+ NULL, &dpi->bridge);
+ if (ret)
+ return ret;
- dpi->bridge = of_drm_find_bridge(bridge_node);
- of_node_put(bridge_node);
- if (!dpi->bridge)
- return -EPROBE_DEFER;
+ dev_info(dev, "Found bridge node: %pOF\n", dpi->bridge->of_node);
comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DPI);
if (comp_id < 0) {
@@ -749,8 +771,13 @@ static int mtk_dpi_remove(struct platform_device *pdev)
}
static const struct of_device_id mtk_dpi_of_ids[] = {
- { .compatible = "mediatek,mt8173-dpi", },
- {}
+ { .compatible = "mediatek,mt2701-dpi",
+ .data = &mt2701_conf,
+ },
+ { .compatible = "mediatek,mt8173-dpi",
+ .data = &mt8173_conf,
+ },
+ { },
};
struct platform_driver mtk_dpi_driver = {
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
index 4b6ad4751a31..d9db8c4cacd7 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
+++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
@@ -223,6 +223,6 @@
#define ESAV_CODE2 (0xFFF << 0)
#define ESAV_CODE3_MSB BIT(16)
-#define DPI_H_FRE_CON 0xE0
+#define EDGE_SEL_EN BIT(5)
#define H_FRE_2N BIT(25)
#endif /* __MTK_DPI_REGS_H */
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 2d6aa150a9ff..92ecb9bf982c 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -45,7 +45,8 @@ struct mtk_drm_crtc {
bool pending_needs_vblank;
struct drm_pending_vblank_event *event;
- struct drm_plane planes[OVL_LAYER_NR];
+ struct drm_plane *planes;
+ unsigned int layer_nr;
bool pending_planes;
void __iomem *config_regs;
@@ -171,9 +172,9 @@ static void mtk_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
static int mtk_drm_crtc_enable_vblank(struct drm_crtc *crtc)
{
struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
- struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
+ struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
- mtk_ddp_comp_enable_vblank(ovl, &mtk_crtc->base);
+ mtk_ddp_comp_enable_vblank(comp, &mtk_crtc->base);
return 0;
}
@@ -181,9 +182,9 @@ static int mtk_drm_crtc_enable_vblank(struct drm_crtc *crtc)
static void mtk_drm_crtc_disable_vblank(struct drm_crtc *crtc)
{
struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
- struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
+ struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
- mtk_ddp_comp_disable_vblank(ovl);
+ mtk_ddp_comp_disable_vblank(comp);
}
static int mtk_crtc_ddp_clk_enable(struct mtk_drm_crtc *mtk_crtc)
@@ -286,7 +287,7 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
}
/* Initially configure all planes */
- for (i = 0; i < OVL_LAYER_NR; i++) {
+ for (i = 0; i < mtk_crtc->layer_nr; i++) {
struct drm_plane *plane = &mtk_crtc->planes[i];
struct mtk_plane_state *plane_state;
@@ -334,7 +335,7 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
{
struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
struct mtk_crtc_state *state = to_mtk_crtc_state(mtk_crtc->base.state);
- struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
+ struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
unsigned int i;
/*
@@ -343,7 +344,7 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
* queue update module registers on vblank.
*/
if (state->pending_config) {
- mtk_ddp_comp_config(ovl, state->pending_width,
+ mtk_ddp_comp_config(comp, state->pending_width,
state->pending_height,
state->pending_vrefresh, 0);
@@ -351,14 +352,14 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
}
if (mtk_crtc->pending_planes) {
- for (i = 0; i < OVL_LAYER_NR; i++) {
+ for (i = 0; i < mtk_crtc->layer_nr; i++) {
struct drm_plane *plane = &mtk_crtc->planes[i];
struct mtk_plane_state *plane_state;
plane_state = to_mtk_plane_state(plane->state);
if (plane_state->pending.config) {
- mtk_ddp_comp_layer_config(ovl, i, plane_state);
+ mtk_ddp_comp_layer_config(comp, i, plane_state);
plane_state->pending.config = false;
}
}
@@ -370,12 +371,12 @@ static void mtk_drm_crtc_atomic_enable(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)
{
struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
- struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
+ struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
int ret;
DRM_DEBUG_DRIVER("%s %d\n", __func__, crtc->base.id);
- ret = mtk_smi_larb_get(ovl->larb_dev);
+ ret = mtk_smi_larb_get(comp->larb_dev);
if (ret) {
DRM_ERROR("Failed to get larb: %d\n", ret);
return;
@@ -383,7 +384,7 @@ static void mtk_drm_crtc_atomic_enable(struct drm_crtc *crtc,
ret = mtk_crtc_ddp_hw_init(mtk_crtc);
if (ret) {
- mtk_smi_larb_put(ovl->larb_dev);
+ mtk_smi_larb_put(comp->larb_dev);
return;
}
@@ -395,7 +396,7 @@ static void mtk_drm_crtc_atomic_disable(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)
{
struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
- struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
+ struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
int i;
DRM_DEBUG_DRIVER("%s %d\n", __func__, crtc->base.id);
@@ -403,7 +404,7 @@ static void mtk_drm_crtc_atomic_disable(struct drm_crtc *crtc,
return;
/* Set all pending plane state to disabled */
- for (i = 0; i < OVL_LAYER_NR; i++) {
+ for (i = 0; i < mtk_crtc->layer_nr; i++) {
struct drm_plane *plane = &mtk_crtc->planes[i];
struct mtk_plane_state *plane_state;
@@ -418,7 +419,7 @@ static void mtk_drm_crtc_atomic_disable(struct drm_crtc *crtc,
drm_crtc_vblank_off(crtc);
mtk_crtc_ddp_hw_fini(mtk_crtc);
- mtk_smi_larb_put(ovl->larb_dev);
+ mtk_smi_larb_put(comp->larb_dev);
mtk_crtc->enabled = false;
}
@@ -450,7 +451,7 @@ static void mtk_drm_crtc_atomic_flush(struct drm_crtc *crtc,
if (mtk_crtc->event)
mtk_crtc->pending_needs_vblank = true;
- for (i = 0; i < OVL_LAYER_NR; i++) {
+ for (i = 0; i < mtk_crtc->layer_nr; i++) {
struct drm_plane *plane = &mtk_crtc->planes[i];
struct mtk_plane_state *plane_state;
@@ -516,7 +517,7 @@ err_cleanup_crtc:
return ret;
}
-void mtk_crtc_ddp_irq(struct drm_crtc *crtc, struct mtk_ddp_comp *ovl)
+void mtk_crtc_ddp_irq(struct drm_crtc *crtc, struct mtk_ddp_comp *comp)
{
struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
struct mtk_drm_private *priv = crtc->dev->dev_private;
@@ -598,7 +599,12 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
mtk_crtc->ddp_comp[i] = comp;
}
- for (zpos = 0; zpos < OVL_LAYER_NR; zpos++) {
+ mtk_crtc->layer_nr = mtk_ddp_comp_layer_nr(mtk_crtc->ddp_comp[0]);
+ mtk_crtc->planes = devm_kcalloc(dev, mtk_crtc->layer_nr,
+ sizeof(struct drm_plane),
+ GFP_KERNEL);
+
+ for (zpos = 0; zpos < mtk_crtc->layer_nr; zpos++) {
type = (zpos == 0) ? DRM_PLANE_TYPE_PRIMARY :
(zpos == 1) ? DRM_PLANE_TYPE_CURSOR :
DRM_PLANE_TYPE_OVERLAY;
@@ -609,7 +615,8 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
}
ret = mtk_drm_crtc_init(drm_dev, mtk_crtc, &mtk_crtc->planes[0],
- &mtk_crtc->planes[1], pipe);
+ mtk_crtc->layer_nr > 1 ? &mtk_crtc->planes[1] :
+ NULL, pipe);
if (ret < 0)
goto unprepare;
drm_mode_crtc_set_gamma_size(&mtk_crtc->base, MTK_LUT_SIZE);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
index 9d9410c67ae9..091adb2087eb 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
@@ -18,13 +18,12 @@
#include "mtk_drm_ddp_comp.h"
#include "mtk_drm_plane.h"
-#define OVL_LAYER_NR 4
#define MTK_LUT_SIZE 512
#define MTK_MAX_BPC 10
#define MTK_MIN_BPC 3
void mtk_drm_crtc_commit(struct drm_crtc *crtc);
-void mtk_crtc_ddp_irq(struct drm_crtc *crtc, struct mtk_ddp_comp *ovl);
+void mtk_crtc_ddp_irq(struct drm_crtc *crtc, struct mtk_ddp_comp *comp);
int mtk_drm_crtc_create(struct drm_device *drm_dev,
const enum mtk_ddp_comp_id *path,
unsigned int path_len);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
index 87e4191c250e..579ce28d801d 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -39,6 +39,7 @@
#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030
#define DISP_REG_CONFIG_OUT_SEL 0x04c
#define DISP_REG_CONFIG_DSI_SEL 0x050
+#define DISP_REG_CONFIG_DPI_SEL 0x064
#define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n))
#define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n))
@@ -106,6 +107,8 @@
#define OVL1_MOUT_EN_COLOR1 0x1
#define GAMMA_MOUT_EN_RDMA1 0x1
#define RDMA0_SOUT_DPI0 0x2
+#define RDMA0_SOUT_DPI1 0x3
+#define RDMA0_SOUT_DSI1 0x1
#define RDMA0_SOUT_DSI2 0x4
#define RDMA0_SOUT_DSI3 0x5
#define RDMA1_SOUT_DPI0 0x2
@@ -122,6 +125,8 @@
#define DPI0_SEL_IN_RDMA2 0x3
#define DPI1_SEL_IN_RDMA1 (0x1 << 8)
#define DPI1_SEL_IN_RDMA2 (0x3 << 8)
+#define DSI0_SEL_IN_RDMA1 0x1
+#define DSI0_SEL_IN_RDMA2 0x4
#define DSI1_SEL_IN_RDMA1 0x1
#define DSI1_SEL_IN_RDMA2 0x4
#define DSI2_SEL_IN_RDMA1 (0x1 << 16)
@@ -132,7 +137,10 @@
#define OVL_MOUT_EN_RDMA 0x1
#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8
+#define BLS_TO_DPI_RDMA1_TO_DSI 0x2
#define DSI_SEL_IN_BLS 0x0
+#define DPI_SEL_IN_BLS 0x0
+#define DSI_SEL_IN_RDMA 0x1
struct mtk_disp_mutex {
int id;
@@ -224,6 +232,12 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
} else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DPI0;
+ } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+ value = RDMA0_SOUT_DPI1;
+ } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+ value = RDMA0_SOUT_DSI1;
} else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DSI2;
@@ -282,6 +296,9 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DPI_SEL_IN;
value = DPI1_SEL_IN_RDMA1;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
+ *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+ value = DSI0_SEL_IN_RDMA1;
} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DSIO_SEL_IN;
value = DSI1_SEL_IN_RDMA1;
@@ -297,8 +314,11 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
} else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DPI_SEL_IN;
value = DPI1_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI0) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+ value = DSI0_SEL_IN_RDMA2;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
+ *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
value = DSI1_SEL_IN_RDMA2;
} else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
@@ -323,9 +343,17 @@ static void mtk_ddp_sout_sel(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next)
{
- if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0)
+ if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1,
config_regs + DISP_REG_CONFIG_OUT_SEL);
+ } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
+ writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI,
+ config_regs + DISP_REG_CONFIG_OUT_SEL);
+ writel_relaxed(DSI_SEL_IN_RDMA,
+ config_regs + DISP_REG_CONFIG_DSI_SEL);
+ writel_relaxed(DPI_SEL_IN_BLS,
+ config_regs + DISP_REG_CONFIG_DPI_SEL);
+ }
}
void mtk_ddp_add_comp_to_path(void __iomem *config_regs,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index ff974d82a4a6..54ca794db3e9 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -294,7 +294,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
comp->irq = of_irq_get(node, 0);
comp->clk = of_clk_get(node, 0);
if (IS_ERR(comp->clk))
- comp->clk = NULL;
+ return PTR_ERR(comp->clk);
/* Only DMA capable components need the LARB property */
comp->larb_dev = NULL;
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index 7413ffeb3c9d..8399229e6ad2 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -78,6 +78,7 @@ struct mtk_ddp_comp_funcs {
void (*stop)(struct mtk_ddp_comp *comp);
void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
void (*disable_vblank)(struct mtk_ddp_comp *comp);
+ unsigned int (*layer_nr)(struct mtk_ddp_comp *comp);
void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx);
void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx);
void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
@@ -128,6 +129,14 @@ static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
comp->funcs->disable_vblank(comp);
}
+static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->layer_nr)
+ return comp->funcs->layer_nr(comp);
+
+ return 0;
+}
+
static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
unsigned int idx)
{
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 39721119713b..6422e99952fe 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -381,7 +381,7 @@ static int mtk_drm_bind(struct device *dev)
err_deinit:
mtk_drm_kms_deinit(drm);
err_free:
- drm_dev_unref(drm);
+ drm_dev_put(drm);
return ret;
}
@@ -390,7 +390,7 @@ static void mtk_drm_unbind(struct device *dev)
struct mtk_drm_private *private = dev_get_drvdata(dev);
drm_dev_unregister(private->drm);
- drm_dev_unref(private->drm);
+ drm_dev_put(private->drm);
private->drm = NULL;
}
@@ -424,6 +424,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
.data = (void *)MTK_DSI },
{ .compatible = "mediatek,mt8173-dsi",
.data = (void *)MTK_DSI },
+ { .compatible = "mediatek,mt2701-dpi",
+ .data = (void *)MTK_DPI },
{ .compatible = "mediatek,mt8173-dpi",
.data = (void *)MTK_DPI },
{ .compatible = "mediatek,mt2701-disp-mutex",
@@ -564,7 +566,7 @@ static int mtk_drm_remove(struct platform_device *pdev)
drm_dev_unregister(drm);
mtk_drm_kms_deinit(drm);
- drm_dev_unref(drm);
+ drm_dev_put(drm);
component_master_del(&pdev->dev, &mtk_drm_ops);
pm_runtime_disable(&pdev->dev);
@@ -580,29 +582,24 @@ static int mtk_drm_sys_suspend(struct device *dev)
{
struct mtk_drm_private *private = dev_get_drvdata(dev);
struct drm_device *drm = private->drm;
+ int ret;
- drm_kms_helper_poll_disable(drm);
-
- private->suspend_state = drm_atomic_helper_suspend(drm);
- if (IS_ERR(private->suspend_state)) {
- drm_kms_helper_poll_enable(drm);
- return PTR_ERR(private->suspend_state);
- }
-
+ ret = drm_mode_config_helper_suspend(drm);
DRM_DEBUG_DRIVER("mtk_drm_sys_suspend\n");
- return 0;
+
+ return ret;
}
static int mtk_drm_sys_resume(struct device *dev)
{
struct mtk_drm_private *private = dev_get_drvdata(dev);
struct drm_device *drm = private->drm;
+ int ret;
- drm_atomic_helper_resume(drm, private->suspend_state);
- drm_kms_helper_poll_enable(drm);
-
+ ret = drm_mode_config_helper_resume(drm);
DRM_DEBUG_DRIVER("mtk_drm_sys_resume\n");
- return 0;
+
+ return ret;
}
#endif
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index 2d45d1dd9554..862f3ec22131 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -233,6 +233,7 @@ static void mtk_hdmi_hw_vid_black(struct mtk_hdmi *hdmi, bool black)
static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
{
struct arm_smccc_res res;
+ struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(hdmi->phy);
/*
* MT8173 HDMI hardware has an output control bit to enable/disable HDMI
@@ -240,8 +241,13 @@ static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
* The ARM trusted firmware provides an API for the HDMI driver to set
* this control bit to enable HDMI output in supervisor mode.
*/
- arm_smccc_smc(MTK_SIP_SET_AUTHORIZED_SECURE_REG, 0x14000904, 0x80000000,
- 0, 0, 0, 0, 0, &res);
+ if (hdmi_phy->conf && hdmi_phy->conf->tz_disabled)
+ regmap_update_bits(hdmi->sys_regmap,
+ hdmi->sys_offset + HDMI_SYS_CFG20,
+ 0x80008005, enable ? 0x80000005 : 0x8000);
+ else
+ arm_smccc_smc(MTK_SIP_SET_AUTHORIZED_SECURE_REG, 0x14000904,
+ 0x80000000, 0, 0, 0, 0, 0, &res);
regmap_update_bits(hdmi->sys_regmap, hdmi->sys_offset + HDMI_SYS_CFG20,
HDMI_PCLK_FREE_RUN, enable ? HDMI_PCLK_FREE_RUN : 0);
@@ -1446,8 +1452,7 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
}
/* The CEC module handles HDMI hotplug detection */
- cec_np = of_find_compatible_node(np->parent, NULL,
- "mediatek,mt8173-cec");
+ cec_np = of_get_compatible_child(np->parent, "mediatek,mt8173-cec");
if (!cec_np) {
dev_err(dev, "Failed to find CEC node\n");
return -EINVAL;
@@ -1457,8 +1462,10 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
if (!cec_pdev) {
dev_err(hdmi->dev, "Waiting for CEC device %pOF\n",
cec_np);
+ of_node_put(cec_np);
return -EPROBE_DEFER;
}
+ of_node_put(cec_np);
hdmi->cec_dev = &cec_pdev->dev;
/*
@@ -1575,6 +1582,11 @@ static int mtk_hdmi_audio_hw_params(struct device *dev, void *data,
hdmi_params.aud_i2s_fmt = HDMI_I2S_MODE_I2S_24BIT;
hdmi_params.aud_mclk = HDMI_AUD_MCLK_128FS;
break;
+ case HDMI_SPDIF:
+ hdmi_params.aud_codec = HDMI_AUDIO_CODING_TYPE_PCM;
+ hdmi_params.aud_sampe_size = HDMI_AUDIO_SAMPLE_SIZE_16;
+ hdmi_params.aud_input_type = HDMI_AUD_INPUT_SPDIF;
+ break;
default:
dev_err(hdmi->dev, "%s: Invalid DAI format %d\n", __func__,
daifmt->fmt);
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.h b/drivers/gpu/drm/mediatek/mtk_hdmi.h
index 6371b3de1ff6..3e9fb8d19802 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.h
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.h
@@ -13,11 +13,11 @@
*/
#ifndef _MTK_HDMI_CTRL_H
#define _MTK_HDMI_CTRL_H
+#include "mtk_hdmi_phy.h"
struct platform_driver;
extern struct platform_driver mtk_cec_driver;
extern struct platform_driver mtk_hdmi_ddc_driver;
-extern struct platform_driver mtk_hdmi_phy_driver;
#endif /* _MTK_HDMI_CTRL_H */
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
new file mode 100644
index 000000000000..4ef9c57ffd44
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Jie Qiu <jie.qiu@mediatek.com>
+ */
+
+#include "mtk_hdmi_phy.h"
+
+static int mtk_hdmi_phy_power_on(struct phy *phy);
+static int mtk_hdmi_phy_power_off(struct phy *phy);
+
+static const struct phy_ops mtk_hdmi_phy_dev_ops = {
+ .power_on = mtk_hdmi_phy_power_on,
+ .power_off = mtk_hdmi_phy_power_off,
+ .owner = THIS_MODULE,
+};
+
+long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+ hdmi_phy->pll_rate = rate;
+ if (rate <= 74250000)
+ *parent_rate = rate;
+ else
+ *parent_rate = rate / 2;
+
+ return rate;
+}
+
+unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+ return hdmi_phy->pll_rate;
+}
+
+void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+ u32 bits)
+{
+ void __iomem *reg = hdmi_phy->regs + offset;
+ u32 tmp;
+
+ tmp = readl(reg);
+ tmp &= ~bits;
+ writel(tmp, reg);
+}
+
+void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+ u32 bits)
+{
+ void __iomem *reg = hdmi_phy->regs + offset;
+ u32 tmp;
+
+ tmp = readl(reg);
+ tmp |= bits;
+ writel(tmp, reg);
+}
+
+void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+ u32 val, u32 mask)
+{
+ void __iomem *reg = hdmi_phy->regs + offset;
+ u32 tmp;
+
+ tmp = readl(reg);
+ tmp = (tmp & ~mask) | (val & mask);
+ writel(tmp, reg);
+}
+
+inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
+{
+ return container_of(hw, struct mtk_hdmi_phy, pll_hw);
+}
+
+static int mtk_hdmi_phy_power_on(struct phy *phy)
+{
+ struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
+ int ret;
+
+ ret = clk_prepare_enable(hdmi_phy->pll);
+ if (ret < 0)
+ return ret;
+
+ hdmi_phy->conf->hdmi_phy_enable_tmds(hdmi_phy);
+ return 0;
+}
+
+static int mtk_hdmi_phy_power_off(struct phy *phy)
+{
+ struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
+
+ hdmi_phy->conf->hdmi_phy_disable_tmds(hdmi_phy);
+ clk_disable_unprepare(hdmi_phy->pll);
+
+ return 0;
+}
+
+static const struct phy_ops *
+mtk_hdmi_phy_dev_get_ops(const struct mtk_hdmi_phy *hdmi_phy)
+{
+ if (hdmi_phy && hdmi_phy->conf &&
+ hdmi_phy->conf->hdmi_phy_enable_tmds &&
+ hdmi_phy->conf->hdmi_phy_disable_tmds)
+ return &mtk_hdmi_phy_dev_ops;
+
+ dev_err(hdmi_phy->dev, "Failed to get dev ops of phy\n");
+ return NULL;
+}
+
+static void mtk_hdmi_phy_clk_get_ops(struct mtk_hdmi_phy *hdmi_phy,
+ const struct clk_ops **ops)
+{
+ if (hdmi_phy && hdmi_phy->conf && hdmi_phy->conf->hdmi_phy_clk_ops)
+ *ops = hdmi_phy->conf->hdmi_phy_clk_ops;
+ else
+ dev_err(hdmi_phy->dev, "Failed to get clk ops of phy\n");
+}
+
+static int mtk_hdmi_phy_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct mtk_hdmi_phy *hdmi_phy;
+ struct resource *mem;
+ struct clk *ref_clk;
+ const char *ref_clk_name;
+ struct clk_init_data clk_init = {
+ .num_parents = 1,
+ .parent_names = (const char * const *)&ref_clk_name,
+ .flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE,
+ };
+
+ struct phy *phy;
+ struct phy_provider *phy_provider;
+ int ret;
+
+ hdmi_phy = devm_kzalloc(dev, sizeof(*hdmi_phy), GFP_KERNEL);
+ if (!hdmi_phy)
+ return -ENOMEM;
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ hdmi_phy->regs = devm_ioremap_resource(dev, mem);
+ if (IS_ERR(hdmi_phy->regs)) {
+ ret = PTR_ERR(hdmi_phy->regs);
+ dev_err(dev, "Failed to get memory resource: %d\n", ret);
+ return ret;
+ }
+
+ ref_clk = devm_clk_get(dev, "pll_ref");
+ if (IS_ERR(ref_clk)) {
+ ret = PTR_ERR(ref_clk);
+ dev_err(&pdev->dev, "Failed to get PLL reference clock: %d\n",
+ ret);
+ return ret;
+ }
+ ref_clk_name = __clk_get_name(ref_clk);
+
+ ret = of_property_read_string(dev->of_node, "clock-output-names",
+ &clk_init.name);
+ if (ret < 0) {
+ dev_err(dev, "Failed to read clock-output-names: %d\n", ret);
+ return ret;
+ }
+
+ hdmi_phy->dev = dev;
+ hdmi_phy->conf =
+ (struct mtk_hdmi_phy_conf *)of_device_get_match_data(dev);
+ mtk_hdmi_phy_clk_get_ops(hdmi_phy, &clk_init.ops);
+ hdmi_phy->pll_hw.init = &clk_init;
+ hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw);
+ if (IS_ERR(hdmi_phy->pll)) {
+ ret = PTR_ERR(hdmi_phy->pll);
+ dev_err(dev, "Failed to register PLL: %d\n", ret);
+ return ret;
+ }
+
+ ret = of_property_read_u32(dev->of_node, "mediatek,ibias",
+ &hdmi_phy->ibias);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to get ibias: %d\n", ret);
+ return ret;
+ }
+
+ ret = of_property_read_u32(dev->of_node, "mediatek,ibias_up",
+ &hdmi_phy->ibias_up);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to get ibias up: %d\n", ret);
+ return ret;
+ }
+
+ dev_info(dev, "Using default TX DRV impedance: 4.2k/36\n");
+ hdmi_phy->drv_imp_clk = 0x30;
+ hdmi_phy->drv_imp_d2 = 0x30;
+ hdmi_phy->drv_imp_d1 = 0x30;
+ hdmi_phy->drv_imp_d0 = 0x30;
+
+ phy = devm_phy_create(dev, NULL, mtk_hdmi_phy_dev_get_ops(hdmi_phy));
+ if (IS_ERR(phy)) {
+ dev_err(dev, "Failed to create HDMI PHY\n");
+ return PTR_ERR(phy);
+ }
+ phy_set_drvdata(phy, hdmi_phy);
+
+ phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
+ if (IS_ERR(phy_provider)) {
+ dev_err(dev, "Failed to register HDMI PHY\n");
+ return PTR_ERR(phy_provider);
+ }
+
+ return of_clk_add_provider(dev->of_node, of_clk_src_simple_get,
+ hdmi_phy->pll);
+}
+
+static const struct of_device_id mtk_hdmi_phy_match[] = {
+ { .compatible = "mediatek,mt2701-hdmi-phy",
+ .data = &mtk_hdmi_phy_2701_conf,
+ },
+ { .compatible = "mediatek,mt8173-hdmi-phy",
+ .data = &mtk_hdmi_phy_8173_conf,
+ },
+ {},
+};
+
+struct platform_driver mtk_hdmi_phy_driver = {
+ .probe = mtk_hdmi_phy_probe,
+ .driver = {
+ .name = "mediatek-hdmi-phy",
+ .of_match_table = mtk_hdmi_phy_match,
+ },
+};
+
+MODULE_DESCRIPTION("MediaTek HDMI PHY Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
new file mode 100644
index 000000000000..f39b1fc66612
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Chunhui Dai <chunhui.dai@mediatek.com>
+ */
+
+#ifndef _MTK_HDMI_PHY_H
+#define _MTK_HDMI_PHY_H
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+
+struct mtk_hdmi_phy;
+
+struct mtk_hdmi_phy_conf {
+ bool tz_disabled;
+ const struct clk_ops *hdmi_phy_clk_ops;
+ void (*hdmi_phy_enable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
+ void (*hdmi_phy_disable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
+};
+
+struct mtk_hdmi_phy {
+ void __iomem *regs;
+ struct device *dev;
+ struct mtk_hdmi_phy_conf *conf;
+ struct clk *pll;
+ struct clk_hw pll_hw;
+ unsigned long pll_rate;
+ unsigned char drv_imp_clk;
+ unsigned char drv_imp_d2;
+ unsigned char drv_imp_d1;
+ unsigned char drv_imp_d0;
+ unsigned int ibias;
+ unsigned int ibias_up;
+};
+
+void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+ u32 bits);
+void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+ u32 bits);
+void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+ u32 val, u32 mask);
+struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw);
+long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate);
+unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate);
+
+extern struct platform_driver mtk_hdmi_phy_driver;
+extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf;
+extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_2701_conf;
+
+#endif /* _MTK_HDMI_PHY_H */
diff --git a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
new file mode 100644
index 000000000000..fcc42dc6ea7f
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
@@ -0,0 +1,212 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Chunhui Dai <chunhui.dai@mediatek.com>
+ */
+
+#include "mtk_hdmi_phy.h"
+
+#define HDMI_CON0 0x00
+#define RG_HDMITX_DRV_IBIAS 0
+#define RG_HDMITX_DRV_IBIAS_MASK (0x3f << 0)
+#define RG_HDMITX_EN_SER 12
+#define RG_HDMITX_EN_SER_MASK (0x0f << 12)
+#define RG_HDMITX_EN_SLDO 16
+#define RG_HDMITX_EN_SLDO_MASK (0x0f << 16)
+#define RG_HDMITX_EN_PRED 20
+#define RG_HDMITX_EN_PRED_MASK (0x0f << 20)
+#define RG_HDMITX_EN_IMP 24
+#define RG_HDMITX_EN_IMP_MASK (0x0f << 24)
+#define RG_HDMITX_EN_DRV 28
+#define RG_HDMITX_EN_DRV_MASK (0x0f << 28)
+
+#define HDMI_CON1 0x04
+#define RG_HDMITX_PRED_IBIAS 18
+#define RG_HDMITX_PRED_IBIAS_MASK (0x0f << 18)
+#define RG_HDMITX_PRED_IMP (0x01 << 22)
+#define RG_HDMITX_DRV_IMP 26
+#define RG_HDMITX_DRV_IMP_MASK (0x3f << 26)
+
+#define HDMI_CON2 0x08
+#define RG_HDMITX_EN_TX_CKLDO (0x01 << 0)
+#define RG_HDMITX_EN_TX_POSDIV (0x01 << 1)
+#define RG_HDMITX_TX_POSDIV 3
+#define RG_HDMITX_TX_POSDIV_MASK (0x03 << 3)
+#define RG_HDMITX_EN_MBIAS (0x01 << 6)
+#define RG_HDMITX_MBIAS_LPF_EN (0x01 << 7)
+
+#define HDMI_CON4 0x10
+#define RG_HDMITX_RESERVE_MASK (0xffffffff << 0)
+
+#define HDMI_CON6 0x18
+#define RG_HTPLL_BR 0
+#define RG_HTPLL_BR_MASK (0x03 << 0)
+#define RG_HTPLL_BC 2
+#define RG_HTPLL_BC_MASK (0x03 << 2)
+#define RG_HTPLL_BP 4
+#define RG_HTPLL_BP_MASK (0x0f << 4)
+#define RG_HTPLL_IR 8
+#define RG_HTPLL_IR_MASK (0x0f << 8)
+#define RG_HTPLL_IC 12
+#define RG_HTPLL_IC_MASK (0x0f << 12)
+#define RG_HTPLL_POSDIV 16
+#define RG_HTPLL_POSDIV_MASK (0x03 << 16)
+#define RG_HTPLL_PREDIV 18
+#define RG_HTPLL_PREDIV_MASK (0x03 << 18)
+#define RG_HTPLL_FBKSEL 20
+#define RG_HTPLL_FBKSEL_MASK (0x03 << 20)
+#define RG_HTPLL_RLH_EN (0x01 << 22)
+#define RG_HTPLL_FBKDIV 24
+#define RG_HTPLL_FBKDIV_MASK (0x7f << 24)
+#define RG_HTPLL_EN (0x01 << 31)
+
+#define HDMI_CON7 0x1c
+#define RG_HTPLL_AUTOK_EN (0x01 << 23)
+#define RG_HTPLL_DIVEN 28
+#define RG_HTPLL_DIVEN_MASK (0x07 << 28)
+
+static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
+{
+ struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS);
+ usleep_range(80, 100);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
+ usleep_range(80, 100);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
+ usleep_range(80, 100);
+ return 0;
+}
+
+static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
+{
+ struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
+ usleep_range(80, 100);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN);
+ usleep_range(80, 100);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN);
+ usleep_range(80, 100);
+}
+
+static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+ u32 pos_div;
+
+ if (rate <= 64000000)
+ pos_div = 3;
+ else if (rate <= 12800000)
+ pos_div = 1;
+ else
+ pos_div = 1;
+
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_PREDIV_MASK);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IC),
+ RG_HTPLL_IC_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IR),
+ RG_HTPLL_IR_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON2, (pos_div << RG_HDMITX_TX_POSDIV),
+ RG_HDMITX_TX_POSDIV_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (1 << RG_HTPLL_FBKSEL),
+ RG_HTPLL_FBKSEL_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (19 << RG_HTPLL_FBKDIV),
+ RG_HTPLL_FBKDIV_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON7, (0x2 << RG_HTPLL_DIVEN),
+ RG_HTPLL_DIVEN_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0xc << RG_HTPLL_BP),
+ RG_HTPLL_BP_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x2 << RG_HTPLL_BC),
+ RG_HTPLL_BC_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_BR),
+ RG_HTPLL_BR_MASK);
+
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PRED_IMP);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1, (0x3 << RG_HDMITX_PRED_IBIAS),
+ RG_HDMITX_PRED_IBIAS_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_IMP_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1, (0x28 << RG_HDMITX_DRV_IMP),
+ RG_HDMITX_DRV_IMP_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON4, 0x28, RG_HDMITX_RESERVE_MASK);
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0, (0xa << RG_HDMITX_DRV_IBIAS),
+ RG_HDMITX_DRV_IBIAS_MASK);
+ return 0;
+}
+
+static const struct clk_ops mtk_hdmi_phy_pll_ops = {
+ .prepare = mtk_hdmi_pll_prepare,
+ .unprepare = mtk_hdmi_pll_unprepare,
+ .set_rate = mtk_hdmi_pll_set_rate,
+ .round_rate = mtk_hdmi_pll_round_rate,
+ .recalc_rate = mtk_hdmi_pll_recalc_rate,
+};
+
+static void mtk_hdmi_phy_enable_tmds(struct mtk_hdmi_phy *hdmi_phy)
+{
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS);
+ usleep_range(80, 100);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
+ usleep_range(80, 100);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
+ usleep_range(80, 100);
+}
+
+static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
+{
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
+ usleep_range(80, 100);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN);
+ usleep_range(80, 100);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN);
+ mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN);
+ usleep_range(80, 100);
+}
+
+struct mtk_hdmi_phy_conf mtk_hdmi_phy_2701_conf = {
+ .tz_disabled = true,
+ .hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops,
+ .hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds,
+ .hdmi_phy_disable_tmds = mtk_hdmi_phy_disable_tmds,
+};
+
+MODULE_AUTHOR("Chunhui Dai <chunhui.dai@mediatek.com>");
+MODULE_DESCRIPTION("MediaTek HDMI PHY Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
index 51cb9cfb6646..ed5916b27658 100644
--- a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
+++ b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
@@ -12,15 +12,7 @@
* GNU General Public License for more details.
*/
-#include <linux/clk.h>
-#include <linux/clk-provider.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/mfd/syscon.h>
-#include <linux/module.h>
-#include <linux/phy/phy.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
+#include "mtk_hdmi_phy.h"
#define HDMI_CON0 0x00
#define RG_HDMITX_PLL_EN BIT(31)
@@ -123,20 +115,6 @@
#define RGS_HDMITX_5T1_EDG (0xf << 4)
#define RGS_HDMITX_PLUG_TST BIT(0)
-struct mtk_hdmi_phy {
- void __iomem *regs;
- struct device *dev;
- struct clk *pll;
- struct clk_hw pll_hw;
- unsigned long pll_rate;
- u8 drv_imp_clk;
- u8 drv_imp_d2;
- u8 drv_imp_d1;
- u8 drv_imp_d0;
- u32 ibias;
- u32 ibias_up;
-};
-
static const u8 PREDIV[3][4] = {
{0x0, 0x0, 0x0, 0x0}, /* 27Mhz */
{0x1, 0x1, 0x1, 0x1}, /* 74Mhz */
@@ -185,44 +163,6 @@ static const u8 HTPLLBR[3][4] = {
{0x1, 0x2, 0x2, 0x1} /* 148Mhz */
};
-static void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
- u32 bits)
-{
- void __iomem *reg = hdmi_phy->regs + offset;
- u32 tmp;
-
- tmp = readl(reg);
- tmp &= ~bits;
- writel(tmp, reg);
-}
-
-static void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
- u32 bits)
-{
- void __iomem *reg = hdmi_phy->regs + offset;
- u32 tmp;
-
- tmp = readl(reg);
- tmp |= bits;
- writel(tmp, reg);
-}
-
-static void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
- u32 val, u32 mask)
-{
- void __iomem *reg = hdmi_phy->regs + offset;
- u32 tmp;
-
- tmp = readl(reg);
- tmp = (tmp & ~mask) | (val & mask);
- writel(tmp, reg);
-}
-
-static inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
-{
- return container_of(hw, struct mtk_hdmi_phy, pll_hw);
-}
-
static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
{
struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
@@ -345,29 +285,7 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}
-static long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
-{
- struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
-
- hdmi_phy->pll_rate = rate;
- if (rate <= 74250000)
- *parent_rate = rate;
- else
- *parent_rate = rate / 2;
-
- return rate;
-}
-
-static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
-
- return hdmi_phy->pll_rate;
-}
-
-static const struct clk_ops mtk_hdmi_pll_ops = {
+static const struct clk_ops mtk_hdmi_phy_pll_ops = {
.prepare = mtk_hdmi_pll_prepare,
.unprepare = mtk_hdmi_pll_unprepare,
.set_rate = mtk_hdmi_pll_set_rate,
@@ -390,142 +308,10 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
RG_HDMITX_SER_EN);
}
-static int mtk_hdmi_phy_power_on(struct phy *phy)
-{
- struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
- int ret;
-
- ret = clk_prepare_enable(hdmi_phy->pll);
- if (ret < 0)
- return ret;
-
- mtk_hdmi_phy_enable_tmds(hdmi_phy);
-
- return 0;
-}
-
-static int mtk_hdmi_phy_power_off(struct phy *phy)
-{
- struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
-
- mtk_hdmi_phy_disable_tmds(hdmi_phy);
- clk_disable_unprepare(hdmi_phy->pll);
-
- return 0;
-}
-
-static const struct phy_ops mtk_hdmi_phy_ops = {
- .power_on = mtk_hdmi_phy_power_on,
- .power_off = mtk_hdmi_phy_power_off,
- .owner = THIS_MODULE,
-};
-
-static int mtk_hdmi_phy_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct mtk_hdmi_phy *hdmi_phy;
- struct resource *mem;
- struct clk *ref_clk;
- const char *ref_clk_name;
- struct clk_init_data clk_init = {
- .ops = &mtk_hdmi_pll_ops,
- .num_parents = 1,
- .parent_names = (const char * const *)&ref_clk_name,
- .flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE,
- };
- struct phy *phy;
- struct phy_provider *phy_provider;
- int ret;
-
- hdmi_phy = devm_kzalloc(dev, sizeof(*hdmi_phy), GFP_KERNEL);
- if (!hdmi_phy)
- return -ENOMEM;
-
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- hdmi_phy->regs = devm_ioremap_resource(dev, mem);
- if (IS_ERR(hdmi_phy->regs)) {
- ret = PTR_ERR(hdmi_phy->regs);
- dev_err(dev, "Failed to get memory resource: %d\n", ret);
- return ret;
- }
-
- ref_clk = devm_clk_get(dev, "pll_ref");
- if (IS_ERR(ref_clk)) {
- ret = PTR_ERR(ref_clk);
- dev_err(&pdev->dev, "Failed to get PLL reference clock: %d\n",
- ret);
- return ret;
- }
- ref_clk_name = __clk_get_name(ref_clk);
-
- ret = of_property_read_string(dev->of_node, "clock-output-names",
- &clk_init.name);
- if (ret < 0) {
- dev_err(dev, "Failed to read clock-output-names: %d\n", ret);
- return ret;
- }
-
- hdmi_phy->pll_hw.init = &clk_init;
- hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw);
- if (IS_ERR(hdmi_phy->pll)) {
- ret = PTR_ERR(hdmi_phy->pll);
- dev_err(dev, "Failed to register PLL: %d\n", ret);
- return ret;
- }
-
- ret = of_property_read_u32(dev->of_node, "mediatek,ibias",
- &hdmi_phy->ibias);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to get ibias: %d\n", ret);
- return ret;
- }
-
- ret = of_property_read_u32(dev->of_node, "mediatek,ibias_up",
- &hdmi_phy->ibias_up);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to get ibias up: %d\n", ret);
- return ret;
- }
-
- dev_info(dev, "Using default TX DRV impedance: 4.2k/36\n");
- hdmi_phy->drv_imp_clk = 0x30;
- hdmi_phy->drv_imp_d2 = 0x30;
- hdmi_phy->drv_imp_d1 = 0x30;
- hdmi_phy->drv_imp_d0 = 0x30;
-
- phy = devm_phy_create(dev, NULL, &mtk_hdmi_phy_ops);
- if (IS_ERR(phy)) {
- dev_err(dev, "Failed to create HDMI PHY\n");
- return PTR_ERR(phy);
- }
- phy_set_drvdata(phy, hdmi_phy);
-
- phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
- if (IS_ERR(phy_provider))
- return PTR_ERR(phy_provider);
-
- hdmi_phy->dev = dev;
- return of_clk_add_provider(dev->of_node, of_clk_src_simple_get,
- hdmi_phy->pll);
-}
-
-static int mtk_hdmi_phy_remove(struct platform_device *pdev)
-{
- return 0;
-}
-
-static const struct of_device_id mtk_hdmi_phy_match[] = {
- { .compatible = "mediatek,mt8173-hdmi-phy", },
- {},
-};
-
-struct platform_driver mtk_hdmi_phy_driver = {
- .probe = mtk_hdmi_phy_probe,
- .remove = mtk_hdmi_phy_remove,
- .driver = {
- .name = "mediatek-hdmi-phy",
- .of_match_table = mtk_hdmi_phy_match,
- },
+struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf = {
+ .hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops,
+ .hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds,
+ .hdmi_phy_disable_tmds = mtk_hdmi_phy_disable_tmds,
};
MODULE_AUTHOR("Jie Qiu <jie.qiu@mediatek.com>");
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