Signed-off-by: Guillaume Ranquet granquet@baylibre.com Change-Id: Icfed2af06fdf5a402d09d8fc1d69234bb3db4b3e --- drivers/gpu/drm/mediatek/Kconfig | 1 + drivers/gpu/drm/mediatek/Makefile | 3 +- drivers/gpu/drm/mediatek/mtk_hdmi.c | 635 +-------------------- drivers/gpu/drm/mediatek/mtk_hdmi_common.c | 424 ++++++++++++++ drivers/gpu/drm/mediatek/mtk_hdmi_common.h | 236 ++++++++ 5 files changed, 690 insertions(+), 609 deletions(-) create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi_common.c create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi_common.h

diff --git a/drivers/gpu/drm/mediatek/Kconfig b/drivers/gpu/drm/mediatek/Kconfig index f07012898ea7..0df75bceb74e 100644 --- a/drivers/gpu/drm/mediatek/Kconfig +++ b/drivers/gpu/drm/mediatek/Kconfig @@ -30,3 +30,4 @@ config DRM_MEDIATEK_HDMI select CEC_NOTIFIER help DRM/KMS HDMI driver for Mediatek SoCs + diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile index aeeac74786e7..107b6fbbdbf7 100644 --- a/drivers/gpu/drm/mediatek/Makefile +++ b/drivers/gpu/drm/mediatek/Makefile @@ -24,7 +24,8 @@ obj-$(CONFIG_DRM_MEDIATEK) += mediatek-drm.o

mediatek-drm-hdmi-objs := mtk_cec.o \ mtk_hdmi.o \ - mtk_hdmi_ddc.o + mtk_hdmi_ddc.o \ + mtk_hdmi_common.o \

obj-$(CONFIG_DRM_MEDIATEK_HDMI) += mediatek-drm-hdmi.o

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index c1651a83700d..b7804dba6b54 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -31,203 +31,13 @@ #include <drm/drm_print.h> #include <drm/drm_probe_helper.h>

-#include "mtk_cec.h" +//#include "mtk_cec.h" #include "mtk_hdmi.h" #include "mtk_hdmi_regs.h" +#include "mtk_hdmi_common.h"

#define NCTS_BYTES 7

-enum mtk_hdmi_clk_id { - MTK_HDMI_CLK_HDMI_PIXEL, - MTK_HDMI_CLK_HDMI_PLL, - MTK_HDMI_CLK_AUD_BCLK, - MTK_HDMI_CLK_AUD_SPDIF, - MTK_HDMI_CLK_COUNT -}; - -enum hdmi_aud_input_type { - HDMI_AUD_INPUT_I2S = 0, - HDMI_AUD_INPUT_SPDIF, -}; - -enum hdmi_aud_i2s_fmt { - HDMI_I2S_MODE_RJT_24BIT = 0, - HDMI_I2S_MODE_RJT_16BIT, - HDMI_I2S_MODE_LJT_24BIT, - HDMI_I2S_MODE_LJT_16BIT, - HDMI_I2S_MODE_I2S_24BIT, - HDMI_I2S_MODE_I2S_16BIT -}; - -enum hdmi_aud_mclk { - HDMI_AUD_MCLK_128FS, - HDMI_AUD_MCLK_192FS, - HDMI_AUD_MCLK_256FS, - HDMI_AUD_MCLK_384FS, - HDMI_AUD_MCLK_512FS, - HDMI_AUD_MCLK_768FS, - HDMI_AUD_MCLK_1152FS, -}; - -enum hdmi_aud_channel_type { - HDMI_AUD_CHAN_TYPE_1_0 = 0, - HDMI_AUD_CHAN_TYPE_1_1, - HDMI_AUD_CHAN_TYPE_2_0, - HDMI_AUD_CHAN_TYPE_2_1, - HDMI_AUD_CHAN_TYPE_3_0, - HDMI_AUD_CHAN_TYPE_3_1, - HDMI_AUD_CHAN_TYPE_4_0, - HDMI_AUD_CHAN_TYPE_4_1, - HDMI_AUD_CHAN_TYPE_5_0, - HDMI_AUD_CHAN_TYPE_5_1, - HDMI_AUD_CHAN_TYPE_6_0, - HDMI_AUD_CHAN_TYPE_6_1, - HDMI_AUD_CHAN_TYPE_7_0, - HDMI_AUD_CHAN_TYPE_7_1, - HDMI_AUD_CHAN_TYPE_3_0_LRS, - HDMI_AUD_CHAN_TYPE_3_1_LRS, - HDMI_AUD_CHAN_TYPE_4_0_CLRS, - HDMI_AUD_CHAN_TYPE_4_1_CLRS, - HDMI_AUD_CHAN_TYPE_6_1_CS, - HDMI_AUD_CHAN_TYPE_6_1_CH, - HDMI_AUD_CHAN_TYPE_6_1_OH, - HDMI_AUD_CHAN_TYPE_6_1_CHR, - HDMI_AUD_CHAN_TYPE_7_1_LH_RH, - HDMI_AUD_CHAN_TYPE_7_1_LSR_RSR, - HDMI_AUD_CHAN_TYPE_7_1_LC_RC, - HDMI_AUD_CHAN_TYPE_7_1_LW_RW, - HDMI_AUD_CHAN_TYPE_7_1_LSD_RSD, - HDMI_AUD_CHAN_TYPE_7_1_LSS_RSS, - HDMI_AUD_CHAN_TYPE_7_1_LHS_RHS, - HDMI_AUD_CHAN_TYPE_7_1_CS_CH, - HDMI_AUD_CHAN_TYPE_7_1_CS_OH, - HDMI_AUD_CHAN_TYPE_7_1_CS_CHR, - HDMI_AUD_CHAN_TYPE_7_1_CH_OH, - HDMI_AUD_CHAN_TYPE_7_1_CH_CHR, - HDMI_AUD_CHAN_TYPE_7_1_OH_CHR, - HDMI_AUD_CHAN_TYPE_7_1_LSS_RSS_LSR_RSR, - HDMI_AUD_CHAN_TYPE_6_0_CS, - HDMI_AUD_CHAN_TYPE_6_0_CH, - HDMI_AUD_CHAN_TYPE_6_0_OH, - HDMI_AUD_CHAN_TYPE_6_0_CHR, - HDMI_AUD_CHAN_TYPE_7_0_LH_RH, - HDMI_AUD_CHAN_TYPE_7_0_LSR_RSR, - HDMI_AUD_CHAN_TYPE_7_0_LC_RC, - HDMI_AUD_CHAN_TYPE_7_0_LW_RW, - HDMI_AUD_CHAN_TYPE_7_0_LSD_RSD, - HDMI_AUD_CHAN_TYPE_7_0_LSS_RSS, - HDMI_AUD_CHAN_TYPE_7_0_LHS_RHS, - HDMI_AUD_CHAN_TYPE_7_0_CS_CH, - HDMI_AUD_CHAN_TYPE_7_0_CS_OH, - HDMI_AUD_CHAN_TYPE_7_0_CS_CHR, - HDMI_AUD_CHAN_TYPE_7_0_CH_OH, - HDMI_AUD_CHAN_TYPE_7_0_CH_CHR, - HDMI_AUD_CHAN_TYPE_7_0_OH_CHR, - HDMI_AUD_CHAN_TYPE_7_0_LSS_RSS_LSR_RSR, - HDMI_AUD_CHAN_TYPE_8_0_LH_RH_CS, - HDMI_AUD_CHAN_TYPE_UNKNOWN = 0xFF -}; - -enum hdmi_aud_channel_swap_type { - HDMI_AUD_SWAP_LR, - HDMI_AUD_SWAP_LFE_CC, - HDMI_AUD_SWAP_LSRS, - HDMI_AUD_SWAP_RLS_RRS, - HDMI_AUD_SWAP_LR_STATUS, -}; - -struct hdmi_audio_param { - enum hdmi_audio_coding_type aud_codec; - enum hdmi_audio_sample_size aud_sampe_size; - enum hdmi_aud_input_type aud_input_type; - enum hdmi_aud_i2s_fmt aud_i2s_fmt; - enum hdmi_aud_mclk aud_mclk; - enum hdmi_aud_channel_type aud_input_chan_type; - struct hdmi_codec_params codec_params; -}; - -struct mtk_hdmi_conf { - bool tz_disabled; - bool cea_modes_only; - unsigned long max_mode_clock; -}; - -struct mtk_hdmi { - struct drm_bridge bridge; - struct drm_bridge *next_bridge; - struct drm_connector *curr_conn;/* current connector (only valid when 'enabled') */ - struct device *dev; - const struct mtk_hdmi_conf *conf; - struct phy *phy; - struct device *cec_dev; - struct i2c_adapter *ddc_adpt; - struct clk *clk[MTK_HDMI_CLK_COUNT]; - struct drm_display_mode mode; - bool dvi_mode; - u32 min_clock; - u32 max_clock; - u32 max_hdisplay; - u32 max_vdisplay; - u32 ibias; - u32 ibias_up; - struct regmap *sys_regmap; - unsigned int sys_offset; - void __iomem *regs; - enum hdmi_colorspace csp; - struct hdmi_audio_param aud_param; - bool audio_enable; - bool powered; - bool enabled; - hdmi_codec_plugged_cb plugged_cb; - struct device *codec_dev; - struct mutex update_plugged_status_lock; -}; - -static inline struct mtk_hdmi *hdmi_ctx_from_bridge(struct drm_bridge *b) -{ - return container_of(b, struct mtk_hdmi, bridge); -} - -static u32 mtk_hdmi_read(struct mtk_hdmi *hdmi, u32 offset) -{ - return readl(hdmi->regs + offset); -} - -static void mtk_hdmi_write(struct mtk_hdmi *hdmi, u32 offset, u32 val) -{ - writel(val, hdmi->regs + offset); -} - -static void mtk_hdmi_clear_bits(struct mtk_hdmi *hdmi, u32 offset, u32 bits) -{ - void __iomem *reg = hdmi->regs + offset; - u32 tmp; - - tmp = readl(reg); - tmp &= ~bits; - writel(tmp, reg); -} - -static void mtk_hdmi_set_bits(struct mtk_hdmi *hdmi, u32 offset, u32 bits) -{ - void __iomem *reg = hdmi->regs + offset; - u32 tmp; - - tmp = readl(reg); - tmp |= bits; - writel(tmp, reg); -} - -static void mtk_hdmi_mask(struct mtk_hdmi *hdmi, u32 offset, u32 val, u32 mask) -{ - void __iomem *reg = hdmi->regs + offset; - u32 tmp; - - tmp = readl(reg); - tmp = (tmp & ~mask) | (val & mask); - writel(tmp, reg); -} - static void mtk_hdmi_hw_vid_black(struct mtk_hdmi *hdmi, bool black) { mtk_hdmi_mask(hdmi, VIDEO_CFG_4, black ? GEN_RGB : NORMAL_PATH, @@ -840,14 +650,14 @@ static int mtk_hdmi_video_change_vpll(struct mtk_hdmi *hdmi, u32 clock) int ret;

/* The DPI driver already should have set TVDPLL to the correct rate */ - ret = clk_set_rate(hdmi->clk[MTK_HDMI_CLK_HDMI_PLL], clock); + ret = clk_set_rate(hdmi->clk[MTK_MT8183_HDMI_CLK_HDMI_PLL], clock); if (ret) { dev_err(hdmi->dev, "Failed to set PLL to %u Hz: %d\n", clock, ret); return ret; }

- rate = clk_get_rate(hdmi->clk[MTK_HDMI_CLK_HDMI_PLL]); + rate = clk_get_rate(hdmi->clk[MTK_MT8183_HDMI_CLK_HDMI_PLL]);

if (DIV_ROUND_CLOSEST(rate, 1000) != DIV_ROUND_CLOSEST(clock, 1000)) dev_warn(hdmi->dev, "Want PLL %u Hz, got %lu Hz\n", clock, @@ -872,7 +682,6 @@ static void mtk_hdmi_video_set_display_mode(struct mtk_hdmi *hdmi, mtk_hdmi_hw_msic_setting(hdmi, mode); }

- static void mtk_hdmi_aud_set_input(struct mtk_hdmi *hdmi) { enum hdmi_aud_channel_type chan_type; @@ -963,56 +772,6 @@ static int mtk_hdmi_aud_output_config(struct mtk_hdmi *hdmi, return 0; }

-static int mtk_hdmi_setup_avi_infoframe(struct mtk_hdmi *hdmi, - struct drm_display_mode *mode) -{ - struct hdmi_avi_infoframe frame; - u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; - ssize_t err; - - err = drm_hdmi_avi_infoframe_from_display_mode(&frame, - hdmi->curr_conn, mode); - if (err < 0) { - dev_err(hdmi->dev, - "Failed to get AVI infoframe from mode: %zd\n", err); - return err; - } - - err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); - if (err < 0) { - dev_err(hdmi->dev, "Failed to pack AVI infoframe: %zd\n", err); - return err; - } - - mtk_hdmi_hw_send_info_frame(hdmi, buffer, sizeof(buffer)); - return 0; -} - -static int mtk_hdmi_setup_spd_infoframe(struct mtk_hdmi *hdmi, - const char *vendor, - const char *product) -{ - struct hdmi_spd_infoframe frame; - u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_SPD_INFOFRAME_SIZE]; - ssize_t err; - - err = hdmi_spd_infoframe_init(&frame, vendor, product); - if (err < 0) { - dev_err(hdmi->dev, "Failed to initialize SPD infoframe: %zd\n", - err); - return err; - } - - err = hdmi_spd_infoframe_pack(&frame, buffer, sizeof(buffer)); - if (err < 0) { - dev_err(hdmi->dev, "Failed to pack SDP infoframe: %zd\n", err); - return err; - } - - mtk_hdmi_hw_send_info_frame(hdmi, buffer, sizeof(buffer)); - return 0; -} - static int mtk_hdmi_setup_audio_infoframe(struct mtk_hdmi *hdmi) { struct hdmi_audio_infoframe frame; @@ -1069,7 +828,7 @@ static int mtk_hdmi_setup_vendor_specific_infoframe(struct mtk_hdmi *hdmi, return 0; }

-static int mtk_hdmi_output_init(struct mtk_hdmi *hdmi) +void mtk_hdmi_output_init_mt8183(struct mtk_hdmi *hdmi) { struct hdmi_audio_param *aud_param = &hdmi->aud_param;

@@ -1080,8 +839,6 @@ static int mtk_hdmi_output_init(struct mtk_hdmi *hdmi) aud_param->aud_i2s_fmt = HDMI_I2S_MODE_I2S_24BIT; aud_param->aud_mclk = HDMI_AUD_MCLK_128FS; aud_param->aud_input_chan_type = HDMI_AUD_CHAN_TYPE_2_0; - - return 0; }

static void mtk_hdmi_audio_enable(struct mtk_hdmi *hdmi) @@ -1138,49 +895,28 @@ static int mtk_hdmi_output_set_display_mode(struct mtk_hdmi *hdmi, return 0; }

-static const char * const mtk_hdmi_clk_names[MTK_HDMI_CLK_COUNT] = { - [MTK_HDMI_CLK_HDMI_PIXEL] = "pixel", - [MTK_HDMI_CLK_HDMI_PLL] = "pll", - [MTK_HDMI_CLK_AUD_BCLK] = "bclk", - [MTK_HDMI_CLK_AUD_SPDIF] = "spdif", -}; - -static int mtk_hdmi_get_all_clk(struct mtk_hdmi *hdmi, - struct device_node *np) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(mtk_hdmi_clk_names); i++) { - hdmi->clk[i] = of_clk_get_by_name(np, - mtk_hdmi_clk_names[i]); - if (IS_ERR(hdmi->clk[i])) - return PTR_ERR(hdmi->clk[i]); - } - return 0; -} - -static int mtk_hdmi_clk_enable_audio(struct mtk_hdmi *hdmi) +int mtk_hdmi_clk_enable_audio(struct mtk_hdmi *hdmi) { int ret;

- ret = clk_prepare_enable(hdmi->clk[MTK_HDMI_CLK_AUD_BCLK]); + ret = clk_prepare_enable(hdmi->clk[MTK_MT8183_HDMI_CLK_AUD_BCLK]); if (ret) return ret;

- ret = clk_prepare_enable(hdmi->clk[MTK_HDMI_CLK_AUD_SPDIF]); + ret = clk_prepare_enable(hdmi->clk[MTK_MT8183_HDMI_CLK_AUD_SPDIF]); if (ret) goto err;

return 0; err: - clk_disable_unprepare(hdmi->clk[MTK_HDMI_CLK_AUD_BCLK]); + clk_disable_unprepare(hdmi->clk[MTK_MT8183_HDMI_CLK_AUD_BCLK]); return ret; }

-static void mtk_hdmi_clk_disable_audio(struct mtk_hdmi *hdmi) +void mtk_hdmi_clk_disable_mt8183(struct mtk_hdmi *hdmi) { - clk_disable_unprepare(hdmi->clk[MTK_HDMI_CLK_AUD_BCLK]); - clk_disable_unprepare(hdmi->clk[MTK_HDMI_CLK_AUD_SPDIF]); + clk_disable_unprepare(hdmi->clk[MTK_MT8183_HDMI_CLK_AUD_BCLK]); + clk_disable_unprepare(hdmi->clk[MTK_MT8183_HDMI_CLK_AUD_SPDIF]); }

static enum drm_connector_status @@ -1263,21 +999,6 @@ static enum drm_connector_status mtk_hdmi_bridge_detect(struct drm_bridge *bridg return mtk_hdmi_detect(hdmi); }

-static struct edid *mtk_hdmi_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) -{ - struct mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge); - struct edid *edid; - - if (!hdmi->ddc_adpt) - return NULL; - edid = drm_get_edid(connector, hdmi->ddc_adpt); - if (!edid) - return NULL; - hdmi->dvi_mode = !drm_detect_monitor_audio(edid); - return edid; -} - static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { @@ -1305,13 +1026,6 @@ static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge, return 0; }

-static bool mtk_hdmi_bridge_mode_fixup(struct drm_bridge *bridge, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static void mtk_hdmi_bridge_atomic_disable(struct drm_bridge *bridge, struct drm_bridge_state *old_bridge_state) { @@ -1321,8 +1035,8 @@ static void mtk_hdmi_bridge_atomic_disable(struct drm_bridge *bridge, return;

phy_power_off(hdmi->phy); - clk_disable_unprepare(hdmi->clk[MTK_HDMI_CLK_HDMI_PIXEL]); - clk_disable_unprepare(hdmi->clk[MTK_HDMI_CLK_HDMI_PLL]); + clk_disable_unprepare(hdmi->clk[MTK_MT8183_HDMI_CLK_HDMI_PIXEL]); + clk_disable_unprepare(hdmi->clk[MTK_MT8183_HDMI_CLK_HDMI_PLL]);

hdmi->curr_conn = NULL;

@@ -1343,28 +1057,6 @@ static void mtk_hdmi_bridge_atomic_post_disable(struct drm_bridge *bridge, hdmi->powered = false; }

-static void mtk_hdmi_bridge_mode_set(struct drm_bridge *bridge, - const struct drm_display_mode *mode, - const struct drm_display_mode *adjusted_mode) -{ - struct mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge); - - dev_dbg(hdmi->dev, "cur info: name:%s, hdisplay:%d\n", - adjusted_mode->name, adjusted_mode->hdisplay); - dev_dbg(hdmi->dev, "hsync_start:%d,hsync_end:%d, htotal:%d", - adjusted_mode->hsync_start, adjusted_mode->hsync_end, - adjusted_mode->htotal); - dev_dbg(hdmi->dev, "hskew:%d, vdisplay:%d\n", - adjusted_mode->hskew, adjusted_mode->vdisplay); - dev_dbg(hdmi->dev, "vsync_start:%d, vsync_end:%d, vtotal:%d", - adjusted_mode->vsync_start, adjusted_mode->vsync_end, - adjusted_mode->vtotal); - dev_dbg(hdmi->dev, "vscan:%d, flag:%d\n", - adjusted_mode->vscan, adjusted_mode->flags); - - drm_mode_copy(&hdmi->mode, adjusted_mode); -} - static void mtk_hdmi_bridge_atomic_pre_enable(struct drm_bridge *bridge, struct drm_bridge_state *old_state) { @@ -1376,36 +1068,31 @@ static void mtk_hdmi_bridge_atomic_pre_enable(struct drm_bridge *bridge, hdmi->powered = true; }

-static void mtk_hdmi_send_infoframe(struct mtk_hdmi *hdmi, - struct drm_display_mode *mode) -{ - mtk_hdmi_setup_audio_infoframe(hdmi); - mtk_hdmi_setup_avi_infoframe(hdmi, mode); - mtk_hdmi_setup_spd_infoframe(hdmi, "mediatek", "On-chip HDMI"); - if (mode->flags & DRM_MODE_FLAG_3D_MASK) - mtk_hdmi_setup_vendor_specific_infoframe(hdmi, mode); -} - static void mtk_hdmi_bridge_atomic_enable(struct drm_bridge *bridge, struct drm_bridge_state *old_state) { struct drm_atomic_state *state = old_state->base.state; struct mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge); + u8 buffer_spd[HDMI_INFOFRAME_HEADER_SIZE + HDMI_SPD_INFOFRAME_SIZE]; + u8 buffer_avi[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];

/* Retrieve the connector through the atomic state. */ hdmi->curr_conn = drm_atomic_get_new_connector_for_encoder(state, bridge->encoder);

mtk_hdmi_output_set_display_mode(hdmi, &hdmi->mode); - clk_prepare_enable(hdmi->clk[MTK_HDMI_CLK_HDMI_PLL]); - clk_prepare_enable(hdmi->clk[MTK_HDMI_CLK_HDMI_PIXEL]); + clk_prepare_enable(hdmi->clk[MTK_MT8183_HDMI_CLK_HDMI_PLL]); + clk_prepare_enable(hdmi->clk[MTK_MT8183_HDMI_CLK_HDMI_PIXEL]); phy_power_on(hdmi->phy); - mtk_hdmi_send_infoframe(hdmi, &hdmi->mode); + mtk_hdmi_setup_audio_infoframe(hdmi); + mtk_hdmi_send_infoframe(hdmi, buffer_spd, sizeof(buffer_spd), buffer_avi, sizeof(buffer_avi), &hdmi->mode); + if (hdmi->mode.flags & DRM_MODE_FLAG_3D_MASK) + mtk_hdmi_setup_vendor_specific_infoframe(hdmi, &hdmi->mode);

hdmi->enabled = true; }

-static const struct drm_bridge_funcs mtk_hdmi_bridge_funcs = { +const struct drm_bridge_funcs mtk_mt8183_hdmi_bridge_funcs = { .mode_valid = mtk_hdmi_bridge_mode_valid, .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, @@ -1421,107 +1108,6 @@ static const struct drm_bridge_funcs mtk_hdmi_bridge_funcs = { .get_edid = mtk_hdmi_bridge_get_edid, };

-static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, - struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct device_node *np = dev->of_node; - struct device_node *cec_np, *remote, *i2c_np; - struct platform_device *cec_pdev; - struct regmap *regmap; - struct resource *mem; - int ret; - - ret = mtk_hdmi_get_all_clk(hdmi, np); - if (ret) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to get clocks: %d\n", ret); - - return ret; - } - - /* The CEC module handles HDMI hotplug detection */ - 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; - } - - cec_pdev = of_find_device_by_node(cec_np); - 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; - - /* - * The mediatek,syscon-hdmi property contains a phandle link to the - * MMSYS_CONFIG device and the register offset of the HDMI_SYS_CFG - * registers it contains. - */ - regmap = syscon_regmap_lookup_by_phandle(np, "mediatek,syscon-hdmi"); - ret = of_property_read_u32_index(np, "mediatek,syscon-hdmi", 1, - &hdmi->sys_offset); - if (IS_ERR(regmap)) - ret = PTR_ERR(regmap); - if (ret) { - dev_err(dev, - "Failed to get system configuration registers: %d\n", - ret); - goto put_device; - } - hdmi->sys_regmap = regmap; - - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - hdmi->regs = devm_ioremap_resource(dev, mem); - if (IS_ERR(hdmi->regs)) { - ret = PTR_ERR(hdmi->regs); - goto put_device; - } - - remote = of_graph_get_remote_node(np, 1, 0); - if (!remote) { - ret = -EINVAL; - goto put_device; - } - - if (!of_device_is_compatible(remote, "hdmi-connector")) { - hdmi->next_bridge = of_drm_find_bridge(remote); - if (!hdmi->next_bridge) { - dev_err(dev, "Waiting for external bridge\n"); - of_node_put(remote); - ret = -EPROBE_DEFER; - goto put_device; - } - } - - i2c_np = of_parse_phandle(remote, "ddc-i2c-bus", 0); - if (!i2c_np) { - dev_err(dev, "Failed to find ddc-i2c-bus node in %pOF\n", - remote); - of_node_put(remote); - ret = -EINVAL; - goto put_device; - } - of_node_put(remote); - - hdmi->ddc_adpt = of_find_i2c_adapter_by_node(i2c_np); - of_node_put(i2c_np); - if (!hdmi->ddc_adpt) { - dev_err(dev, "Failed to get ddc i2c adapter by node\n"); - ret = -EINVAL; - goto put_device; - } - - return 0; -put_device: - put_device(hdmi->cec_dev); - return ret; -} - /* * HDMI audio codec callbacks */ @@ -1667,175 +1253,8 @@ static const struct hdmi_codec_ops mtk_hdmi_audio_codec_ops = { .no_capture_mute = 1, };

-static int mtk_hdmi_register_audio_driver(struct device *dev) -{ - struct mtk_hdmi *hdmi = dev_get_drvdata(dev); - struct hdmi_codec_pdata codec_data = { - .ops = &mtk_hdmi_audio_codec_ops, - .max_i2s_channels = 2, - .i2s = 1, - .data = hdmi, - }; - struct platform_device *pdev; - - pdev = platform_device_register_data(dev, HDMI_CODEC_DRV_NAME, - PLATFORM_DEVID_AUTO, &codec_data, - sizeof(codec_data)); - if (IS_ERR(pdev)) - return PTR_ERR(pdev); - - DRM_INFO("%s driver bound to HDMI\n", HDMI_CODEC_DRV_NAME); - return 0; +void set_hdmi_codec_pdata_mt8183(struct hdmi_codec_pdata *codec_data) { + codec_data->ops = &mtk_hdmi_audio_codec_ops; + codec_data->max_i2s_channels = 2; + codec_data->i2s = 1; } - -static int mtk_drm_hdmi_probe(struct platform_device *pdev) -{ - struct mtk_hdmi *hdmi; - struct device *dev = &pdev->dev; - int ret; - - hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL); - if (!hdmi) - return -ENOMEM; - - hdmi->dev = dev; - hdmi->conf = of_device_get_match_data(dev); - - ret = mtk_hdmi_dt_parse_pdata(hdmi, pdev); - if (ret) - return ret; - - hdmi->phy = devm_phy_get(dev, "hdmi"); - if (IS_ERR(hdmi->phy)) { - ret = PTR_ERR(hdmi->phy); - dev_err(dev, "Failed to get HDMI PHY: %d\n", ret); - return ret; - } - - mutex_init(&hdmi->update_plugged_status_lock); - platform_set_drvdata(pdev, hdmi); - - ret = mtk_hdmi_output_init(hdmi); - if (ret) { - dev_err(dev, "Failed to initialize hdmi output\n"); - return ret; - } - - ret = mtk_hdmi_register_audio_driver(dev); - if (ret) { - dev_err(dev, "Failed to register audio driver: %d\n", ret); - return ret; - } - - hdmi->bridge.funcs = &mtk_hdmi_bridge_funcs; - hdmi->bridge.of_node = pdev->dev.of_node; - hdmi->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID - | DRM_BRIDGE_OP_HPD; - hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA; - drm_bridge_add(&hdmi->bridge); - - ret = mtk_hdmi_clk_enable_audio(hdmi); - if (ret) { - dev_err(dev, "Failed to enable audio clocks: %d\n", ret); - goto err_bridge_remove; - } - - return 0; - -err_bridge_remove: - drm_bridge_remove(&hdmi->bridge); - return ret; -} - -static int mtk_drm_hdmi_remove(struct platform_device *pdev) -{ - struct mtk_hdmi *hdmi = platform_get_drvdata(pdev); - - drm_bridge_remove(&hdmi->bridge); - mtk_hdmi_clk_disable_audio(hdmi); - return 0; -} - -#ifdef CONFIG_PM_SLEEP -static int mtk_hdmi_suspend(struct device *dev) -{ - struct mtk_hdmi *hdmi = dev_get_drvdata(dev); - - mtk_hdmi_clk_disable_audio(hdmi); - - return 0; -} - -static int mtk_hdmi_resume(struct device *dev) -{ - struct mtk_hdmi *hdmi = dev_get_drvdata(dev); - int ret = 0; - - ret = mtk_hdmi_clk_enable_audio(hdmi); - if (ret) { - dev_err(dev, "hdmi resume failed!\n"); - return ret; - } - - return 0; -} -#endif -static SIMPLE_DEV_PM_OPS(mtk_hdmi_pm_ops, - mtk_hdmi_suspend, mtk_hdmi_resume); - -static const struct mtk_hdmi_conf mtk_hdmi_conf_mt2701 = { - .tz_disabled = true, -}; - -static const struct mtk_hdmi_conf mtk_hdmi_conf_mt8167 = { - .max_mode_clock = 148500, - .cea_modes_only = true, -}; - -static const struct of_device_id mtk_drm_hdmi_of_ids[] = { - { .compatible = "mediatek,mt2701-hdmi", - .data = &mtk_hdmi_conf_mt2701, - }, - { .compatible = "mediatek,mt8167-hdmi", - .data = &mtk_hdmi_conf_mt8167, - }, - { .compatible = "mediatek,mt8173-hdmi", - }, - {} -}; -MODULE_DEVICE_TABLE(of, mtk_drm_hdmi_of_ids); - -static struct platform_driver mtk_hdmi_driver = { - .probe = mtk_drm_hdmi_probe, - .remove = mtk_drm_hdmi_remove, - .driver = { - .name = "mediatek-drm-hdmi", - .of_match_table = mtk_drm_hdmi_of_ids, - .pm = &mtk_hdmi_pm_ops, - }, -}; - -static struct platform_driver * const mtk_hdmi_drivers[] = { - &mtk_hdmi_ddc_driver, - &mtk_cec_driver, - &mtk_hdmi_driver, -}; - -static int __init mtk_hdmitx_init(void) -{ - return platform_register_drivers(mtk_hdmi_drivers, - ARRAY_SIZE(mtk_hdmi_drivers)); -} - -static void __exit mtk_hdmitx_exit(void) -{ - platform_unregister_drivers(mtk_hdmi_drivers, - ARRAY_SIZE(mtk_hdmi_drivers)); -} - -module_init(mtk_hdmitx_init); -module_exit(mtk_hdmitx_exit); - -MODULE_AUTHOR("Jie Qiu jie.qiu@mediatek.com"); -MODULE_DESCRIPTION("MediaTek HDMI Driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c new file mode 100644 index 000000000000..3c38a3e73920 --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c @@ -0,0 +1,424 @@ +#include "mtk_hdmi_common.h" + +const char * const mtk_hdmi_clk_names_mt8183[MTK_MT8183_HDMI_CLK_COUNT] = { + [MTK_MT8183_HDMI_CLK_HDMI_PIXEL] = "pixel", + [MTK_MT8183_HDMI_CLK_HDMI_PLL] = "pll", + [MTK_MT8183_HDMI_CLK_AUD_BCLK] = "bclk", + [MTK_MT8183_HDMI_CLK_AUD_SPDIF] = "spdif", +}; + +struct mtk_hdmi *hdmi_ctx_from_bridge(struct drm_bridge *b) +{ + return container_of(b, struct mtk_hdmi, bridge); +} + +u32 mtk_hdmi_read(struct mtk_hdmi *hdmi, u32 offset) +{ + return readl(hdmi->regs + offset); +} + +void mtk_hdmi_write(struct mtk_hdmi *hdmi, u32 offset, u32 val) +{ + writel(val, hdmi->regs + offset); +} + +inline void mtk_hdmi_clear_bits(struct mtk_hdmi *hdmi, u32 offset, + u32 bits) +{ + void __iomem *reg = hdmi->regs + offset; + u32 tmp; + + tmp = readl(reg); + tmp &= ~bits; + writel(tmp, reg); +} + +inline void mtk_hdmi_set_bits(struct mtk_hdmi *hdmi, u32 offset, + u32 bits) +{ + void __iomem *reg = hdmi->regs + offset; + u32 tmp; + + tmp = readl(reg); + tmp |= bits; + writel(tmp, reg); +} + +void mtk_hdmi_mask(struct mtk_hdmi *hdmi, u32 offset, u32 val, u32 mask) +{ + void __iomem *reg = hdmi->regs + offset; + u32 tmp; + + tmp = readl(reg); + tmp = (tmp & ~mask) | (val & mask); + writel(tmp, reg); +} + +int mtk_hdmi_setup_spd_infoframe(struct mtk_hdmi *hdmi, u8 *buffer, size_t bufsz, + const char *vendor, const char *product) +{ + struct hdmi_spd_infoframe frame; + ssize_t err; + + err = hdmi_spd_infoframe_init(&frame, vendor, product); + if (err < 0) { + dev_err(hdmi->dev, "Failed to initialize SPD infoframe: %zd\n", + err); + return err; + } + + err = hdmi_spd_infoframe_pack(&frame, buffer, bufsz); + if (err < 0) { + dev_err(hdmi->dev, "Failed to pack SDP infoframe: %zd\n", err); + return err; + } + + return 0; +} + +int mtk_hdmi_get_all_clk(struct mtk_hdmi *hdmi, struct device_node *np, + const char *const *mtk_hdmi_clk_names, size_t num_clocks) +{ + int i; + + for (i = 0; i < num_clocks; i++) { + hdmi->clk[i] = of_clk_get_by_name(np, mtk_hdmi_clk_names[i]); + dev_err(hdmi->dev, "Getting clk name: %s\n", mtk_hdmi_clk_names[i]); + + if (IS_ERR(hdmi->clk[i])) + return PTR_ERR(hdmi->clk[i]); + } + + return 0; +} + +struct edid *mtk_hdmi_bridge_get_edid(struct drm_bridge *bridge, + struct drm_connector *connector) +{ + struct mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge); + struct edid *edid; + + if (!hdmi->ddc_adpt) + return NULL; + edid = drm_get_edid(connector, hdmi->ddc_adpt); + if (!edid) + return NULL; + return edid; +} + +bool mtk_hdmi_bridge_mode_fixup(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +void +mtk_hdmi_bridge_mode_set(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + const struct drm_display_mode *adjusted_mode) +{ + struct mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge); + + drm_mode_copy(&hdmi->mode, adjusted_mode); +} + +int mtk_hdmi_setup_avi_infoframe(struct mtk_hdmi *hdmi, u8 *buffer, size_t bufsz, + struct drm_display_mode *mode) +{ + struct hdmi_avi_infoframe frame; + ssize_t err; + + err = drm_hdmi_avi_infoframe_from_display_mode(&frame, &hdmi->conn, + mode); + + if (err < 0) { + dev_err(hdmi->dev, + "Failed to get AVI infoframe from mode: %zd\n", err); + return err; + } + + err = hdmi_avi_infoframe_pack(&frame, buffer, bufsz); + + if (err < 0) { + dev_err(hdmi->dev, "Failed to pack AVI infoframe: %zd\n", err); + return err; + } + + return 0; +} + +void mtk_hdmi_send_infoframe(struct mtk_hdmi *hdmi, u8 *buffer_spd, size_t bufsz_spd, u8 *buffer_avi, size_t bufsz_avi, + struct drm_display_mode *mode) +{ + mtk_hdmi_setup_avi_infoframe(hdmi, buffer_avi, bufsz_avi, mode); + mtk_hdmi_setup_spd_infoframe(hdmi, buffer_spd, bufsz_spd, "mediatek", "On-chip HDMI"); +} + +int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, + struct platform_device *pdev, const char *const *clk_names, size_t num_clocks) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + struct device_node *cec_np, *remote, *i2c_np; + struct platform_device *cec_pdev; + struct regmap *regmap; + struct resource *mem; + int ret; + struct mtk_hdmi_ddc *ddc; + + ret = mtk_hdmi_get_all_clk(hdmi, np, clk_names, num_clocks); + if (ret) { + dev_err(dev, "Failed to get all clks\n"); + return ret; + } + + /* The CEC module handles HDMI hotplug detection */ + 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; + } + + cec_pdev = of_find_device_by_node(cec_np); + 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; + /* + * The mediatek,syscon-hdmi property contains a phandle link to the + * MMSYS_CONFIG device and the register offset of the HDMI_SYS_CFG + * registers it contains. + */ + regmap = syscon_regmap_lookup_by_phandle(np, "mediatek,syscon-hdmi"); + ret = of_property_read_u32_index(np, "mediatek,syscon-hdmi", 1, + &hdmi->sys_offset); + if (IS_ERR(regmap)) + ret = PTR_ERR(regmap); + if (ret) { + dev_err(dev, + "Failed to get system configuration registers: %d\n", + ret); + goto put_device; + } + hdmi->sys_regmap = regmap; + + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!mem) { + ret = -ENOMEM; + goto put_device; + } + + hdmi->regs = devm_ioremap_resource(dev, mem); + if (IS_ERR(hdmi->regs)) { + ret = PTR_ERR(hdmi->regs); + goto put_device; + } + + remote = of_graph_get_remote_node(np, 1, 0); + if (!remote) { + ret = -EINVAL; + goto put_device; + } + + if (!of_device_is_compatible(remote, "hdmi-connector")) { + hdmi->next_bridge = of_drm_find_bridge(remote); + if (!hdmi->next_bridge) { + dev_err(dev, "Waiting for external bridge\n"); + of_node_put(remote); + ret = -EPROBE_DEFER; + goto put_device; + } + } + + i2c_np = of_parse_phandle(pdev->dev.of_node, "ddc-i2c-bus", 0); + if (!i2c_np) { + of_node_put(pdev->dev.of_node); + dev_err(dev, "Failed to find ddc-i2c-bus \n"); + ret = -EINVAL; + goto put_device; + } + + hdmi->ddc_adpt = of_find_i2c_adapter_by_node(i2c_np); + of_node_put(i2c_np); + if (!hdmi->ddc_adpt) { + dev_err(dev, "Failed to get ddc i2c adapter by node\n"); + ret = -EPROBE_DEFER; + goto put_device; + } + + return 0; +put_device: + put_device(hdmi->cec_dev); + return ret; +} + +static int mtk_hdmi_register_audio_driver(struct device *dev) +{ + struct platform_device *pdev; + struct mtk_hdmi *hdmi = dev_get_drvdata(dev); + struct hdmi_codec_pdata codec_data = { + .data = hdmi, + }; + + set_hdmi_codec_pdata_mt8183(&codec_data); + + pdev = platform_device_register_data(dev, HDMI_CODEC_DRV_NAME, + PLATFORM_DEVID_AUTO, &codec_data, + sizeof(codec_data)); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + DRM_INFO("%s driver bound to HDMI\n", HDMI_CODEC_DRV_NAME); + return 0; +} + +int mtk_drm_hdmi_probe(struct platform_device *pdev) +{ + struct mtk_hdmi *hdmi; + struct device *dev = &pdev->dev; + int ret; + + hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL); + if (!hdmi) + return -ENOMEM; + + hdmi->dev = dev; + hdmi->conf = of_device_get_match_data(dev); + + hdmi->phy = devm_phy_get(dev, "hdmi"); + if (IS_ERR(hdmi->phy)) { + ret = PTR_ERR(hdmi->phy); + dev_err(dev, "Failed to get HDMI PHY: %d\n", ret); + return ret; + } + + ret = mtk_hdmi_dt_parse_pdata(hdmi, pdev, mtk_hdmi_clk_names_mt8183, ARRAY_SIZE(mtk_hdmi_clk_names_mt8183)); + + if (ret) + return ret; + + platform_set_drvdata(pdev, hdmi); + + mtk_hdmi_output_init_mt8183(hdmi); + hdmi->bridge.funcs = &mtk_mt8183_hdmi_bridge_funcs; + + hdmi->bridge.of_node = pdev->dev.of_node; + drm_bridge_add(&hdmi->bridge); + + ret = mtk_hdmi_register_audio_driver(dev); + + if (ret) + return ret; + + return 0; +} + +int mtk_drm_hdmi_remove(struct platform_device *pdev) +{ + struct mtk_hdmi *hdmi = platform_get_drvdata(pdev); + + drm_bridge_remove(&hdmi->bridge); + + mtk_hdmi_clk_disable_mt8183(hdmi); + i2c_put_adapter(hdmi->ddc_adpt); + + return 0; +} + +static const struct mtk_hdmi_conf mtk_hdmi_conf_mt2701 = { + .tz_disabled = true, +}; + +static const struct mtk_hdmi_conf mtk_hdmi_conf_mt8167 = { + .max_mode_clock = 148500, + .cea_modes_only = true, +}; + +static const struct of_device_id mtk_drm_hdmi_of_ids[] = { + { .compatible = "mediatek,mt2701-hdmi", + .data = &mtk_hdmi_conf_mt2701, + }, + { .compatible = "mediatek,mt8167-hdmi", + .data = &mtk_hdmi_conf_mt8167, + }, + { .compatible = "mediatek,mt8173-hdmi", + }, + {} +}; +MODULE_DEVICE_TABLE(of, mtk_drm_hdmi_of_ids); + +#ifdef CONFIG_PM_SLEEP +static __maybe_unused int mtk_hdmi_suspend(struct device *dev) +{ + struct mtk_hdmi *hdmi = dev_get_drvdata(dev); + + device_set_wakeup_path(dev); + dev_dbg(dev, "hdmi suspend success!\n"); + + mtk_hdmi_clk_disable_mt8183(hdmi); + + return 0; +} + +static __maybe_unused int mtk_hdmi_resume(struct device *dev) +{ + int ret = 0; + struct mtk_hdmi *hdmi = dev_get_drvdata(dev); + + //mtk_hdmi_clk_enable(hdmi); + + dev_dbg(dev, "hdmi resume success!\n"); + + //TODO: + //ret = mtk_hdmi_clk_enable_audio(hdmi); + if (ret) { + dev_err(dev, "hdmi resume failed!\n"); + } + + return ret; +} +#endif + +static SIMPLE_DEV_PM_OPS(mtk_hdmi_pm_ops, + mtk_hdmi_suspend, mtk_hdmi_resume); + +static struct platform_driver mtk_hdmi_driver = { + .probe = mtk_drm_hdmi_probe, + .remove = mtk_drm_hdmi_remove, + .driver = { + .name = "mediatek-drm-hdmi", + .of_match_table = mtk_drm_hdmi_of_ids, + .pm = &mtk_hdmi_pm_ops, + }, +}; + +static struct platform_driver * const mtk_hdmi_drivers[] = { + &mtk_hdmi_ddc_driver, + &mtk_cec_driver, + &mtk_hdmi_driver, +}; + +static int __init mtk_hdmitx_init(void) +{ + return platform_register_drivers(mtk_hdmi_drivers, + ARRAY_SIZE(mtk_hdmi_drivers)); +} + +static void __exit mtk_hdmitx_exit(void) +{ + platform_unregister_drivers(mtk_hdmi_drivers, + ARRAY_SIZE(mtk_hdmi_drivers)); +} + +module_init(mtk_hdmitx_init); +module_exit(mtk_hdmitx_exit); + +MODULE_AUTHOR("Jie Qiu jie.qiu@mediatek.com"); +MODULE_AUTHOR("Can Zeng can.zeng@mediatek.com"); +MODULE_DESCRIPTION("MediaTek HDMI Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.h b/drivers/gpu/drm/mediatek/mtk_hdmi_common.h new file mode 100644 index 000000000000..f60b5b8bf99e --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.h @@ -0,0 +1,236 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2021 MediaTek Inc. + * Copyright (c) 2021 BayLibre, SAS + */ + +#ifndef _MTK_HDMI_COMMON_H +#define _MTK_HDMI_COMMON_H + +#include <drm/drm_atomic_helper.h> +#include <drm/drm_bridge.h> +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_edid.h> +#include <drm/drm_print.h> + +#include <linux/clk.h> +#include <linux/hdmi.h> +#include <linux/i2c.h> +#include <linux/mfd/syscon.h> +#include <linux/mutex.h> +#include <linux/of_platform.h> +#include <linux/phy/phy.h> +#include <linux/platform_device.h> + +#include <sound/hdmi-codec.h> + +#include "mtk_cec.h" +#include "mtk_hdmi.h" + +struct mtk_hdmi_conf { + bool tz_disabled; + bool cea_modes_only; + unsigned long max_mode_clock; +}; + +enum hdmi_color_depth { HDMI_8_BIT, HDMI_10_BIT, HDMI_12_BIT, HDMI_16_BIT }; + +enum hdmi_aud_input_type { + HDMI_AUD_INPUT_I2S = 0, + HDMI_AUD_INPUT_SPDIF, +}; + +enum hdmi_aud_i2s_fmt { + HDMI_I2S_MODE_RJT_24BIT = 0, + HDMI_I2S_MODE_RJT_16BIT, + HDMI_I2S_MODE_LJT_24BIT, + HDMI_I2S_MODE_LJT_16BIT, + HDMI_I2S_MODE_I2S_24BIT, + HDMI_I2S_MODE_I2S_16BIT +}; + +enum hdmi_aud_mclk { + HDMI_AUD_MCLK_128FS, + HDMI_AUD_MCLK_192FS, + HDMI_AUD_MCLK_256FS, + HDMI_AUD_MCLK_384FS, + HDMI_AUD_MCLK_512FS, + HDMI_AUD_MCLK_768FS, + HDMI_AUD_MCLK_1152FS, +}; + +enum hdmi_aud_channel_type { + HDMI_AUD_CHAN_TYPE_1_0 = 0, + HDMI_AUD_CHAN_TYPE_1_1, + HDMI_AUD_CHAN_TYPE_2_0, + HDMI_AUD_CHAN_TYPE_2_1, + HDMI_AUD_CHAN_TYPE_3_0, + HDMI_AUD_CHAN_TYPE_3_1, + HDMI_AUD_CHAN_TYPE_4_0, + HDMI_AUD_CHAN_TYPE_4_1, + HDMI_AUD_CHAN_TYPE_5_0, + HDMI_AUD_CHAN_TYPE_5_1, + HDMI_AUD_CHAN_TYPE_6_0, + HDMI_AUD_CHAN_TYPE_6_1, + HDMI_AUD_CHAN_TYPE_7_0, + HDMI_AUD_CHAN_TYPE_7_1, + HDMI_AUD_CHAN_TYPE_3_0_LRS, + HDMI_AUD_CHAN_TYPE_3_1_LRS, + HDMI_AUD_CHAN_TYPE_4_0_CLRS, + HDMI_AUD_CHAN_TYPE_4_1_CLRS, + HDMI_AUD_CHAN_TYPE_6_1_CS, + HDMI_AUD_CHAN_TYPE_6_1_CH, + HDMI_AUD_CHAN_TYPE_6_1_OH, + HDMI_AUD_CHAN_TYPE_6_1_CHR, + HDMI_AUD_CHAN_TYPE_7_1_LH_RH, + HDMI_AUD_CHAN_TYPE_7_1_LSR_RSR, + HDMI_AUD_CHAN_TYPE_7_1_LC_RC, + HDMI_AUD_CHAN_TYPE_7_1_LW_RW, + HDMI_AUD_CHAN_TYPE_7_1_LSD_RSD, + HDMI_AUD_CHAN_TYPE_7_1_LSS_RSS, + HDMI_AUD_CHAN_TYPE_7_1_LHS_RHS, + HDMI_AUD_CHAN_TYPE_7_1_CS_CH, + HDMI_AUD_CHAN_TYPE_7_1_CS_OH, + HDMI_AUD_CHAN_TYPE_7_1_CS_CHR, + HDMI_AUD_CHAN_TYPE_7_1_CH_OH, + HDMI_AUD_CHAN_TYPE_7_1_CH_CHR, + HDMI_AUD_CHAN_TYPE_7_1_OH_CHR, + HDMI_AUD_CHAN_TYPE_7_1_LSS_RSS_LSR_RSR, + HDMI_AUD_CHAN_TYPE_6_0_CS, + HDMI_AUD_CHAN_TYPE_6_0_CH, + HDMI_AUD_CHAN_TYPE_6_0_OH, + HDMI_AUD_CHAN_TYPE_6_0_CHR, + HDMI_AUD_CHAN_TYPE_7_0_LH_RH, + HDMI_AUD_CHAN_TYPE_7_0_LSR_RSR, + HDMI_AUD_CHAN_TYPE_7_0_LC_RC, + HDMI_AUD_CHAN_TYPE_7_0_LW_RW, + HDMI_AUD_CHAN_TYPE_7_0_LSD_RSD, + HDMI_AUD_CHAN_TYPE_7_0_LSS_RSS, + HDMI_AUD_CHAN_TYPE_7_0_LHS_RHS, + HDMI_AUD_CHAN_TYPE_7_0_CS_CH, + HDMI_AUD_CHAN_TYPE_7_0_CS_OH, + HDMI_AUD_CHAN_TYPE_7_0_CS_CHR, + HDMI_AUD_CHAN_TYPE_7_0_CH_OH, + HDMI_AUD_CHAN_TYPE_7_0_CH_CHR, + HDMI_AUD_CHAN_TYPE_7_0_OH_CHR, + HDMI_AUD_CHAN_TYPE_7_0_LSS_RSS_LSR_RSR, + HDMI_AUD_CHAN_TYPE_8_0_LH_RH_CS, + HDMI_AUD_CHAN_TYPE_UNKNOWN = 0xFF +}; + +enum hdmi_aud_channel_swap_type { + HDMI_AUD_SWAP_LR, + HDMI_AUD_SWAP_LFE_CC, + HDMI_AUD_SWAP_LSRS, + HDMI_AUD_SWAP_RLS_RRS, + HDMI_AUD_SWAP_LR_STATUS, +}; + +enum mtk_hdmi_clk_id_mt8183 { + MTK_MT8183_HDMI_CLK_HDMI_PIXEL, + MTK_MT8183_HDMI_CLK_HDMI_PLL, + MTK_MT8183_HDMI_CLK_AUD_BCLK, + MTK_MT8183_HDMI_CLK_AUD_SPDIF, + MTK_MT8183_HDMI_CLK_COUNT, +}; + +extern const char *const mtk_hdmi_clk_names_mt8183[MTK_MT8183_HDMI_CLK_COUNT]; + +enum hdmi_hpd_state { + HDMI_PLUG_OUT = 0, + HDMI_PLUG_IN_AND_SINK_POWER_ON, + HDMI_PLUG_IN_ONLY, +}; + +struct hdmi_audio_param { + enum hdmi_audio_coding_type aud_codec; + enum hdmi_audio_sample_size aud_sampe_size; + enum hdmi_aud_input_type aud_input_type; + enum hdmi_aud_i2s_fmt aud_i2s_fmt; + enum hdmi_aud_mclk aud_mclk; + enum hdmi_aud_channel_type aud_input_chan_type; + struct hdmi_codec_params codec_params; +}; + +struct mtk_hdmi { + struct drm_bridge bridge; + struct drm_connector conn; + struct device *dev; + const struct mtk_hdmi_conf *conf; + struct phy *phy; + struct i2c_adapter *ddc_adpt; + struct clk *clk[MTK_MT8183_HDMI_CLK_COUNT]; + struct drm_display_mode mode; + bool dvi_mode; + struct regmap *sys_regmap; + unsigned int sys_offset; + void __iomem *regs; + spinlock_t property_lock; + struct drm_property *csp_depth_prop; + u64 support_csp_depth; + u64 set_csp_depth; + enum hdmi_colorspace csp; + enum hdmi_color_depth color_depth; + enum hdmi_colorimetry colorimtery; + enum hdmi_extended_colorimetry extended_colorimetry; + enum hdmi_quantization_range quantization_range; + enum hdmi_ycc_quantization_range ycc_quantization_range; + + bool powered; + bool enabled; + unsigned int hdmi_irq; + enum hdmi_hpd_state hpd; + + bool hdmi_enabled; + bool power_clk_enabled; + bool irq_registered; + + /* Audio */ + struct hdmi_audio_param aud_param; + bool audio_enable; + + /* imported from mt8183 TODO?*/ + struct drm_connector *curr_conn;/* current connector (only valid when 'enabled') */ + struct mutex update_plugged_status_lock; + struct device *cec_dev; + struct device *codec_dev; + hdmi_codec_plugged_cb plugged_cb; + struct drm_bridge *next_bridge; +}; + +struct mtk_hdmi *hdmi_ctx_from_bridge(struct drm_bridge *b); +u32 mtk_hdmi_read(struct mtk_hdmi *hdmi, u32 offset); +void mtk_hdmi_write(struct mtk_hdmi *hdmi, u32 offset, u32 val); +inline void mtk_hdmi_clear_bits(struct mtk_hdmi *hdmi, u32 offset, + u32 bits); +inline void mtk_hdmi_set_bits(struct mtk_hdmi *hdmi, u32 offset, + u32 bits); +void mtk_hdmi_mask(struct mtk_hdmi *hdmi, u32 offset, u32 val, u32 mask); +int mtk_hdmi_setup_spd_infoframe(struct mtk_hdmi *hdmi, u8 *buffer, size_t bufsz, + const char *vendor, const char *product); +void mtk_hdmi_send_infoframe(struct mtk_hdmi *hdmi, u8 *buffer_spd, size_t bufsz_spd, u8 *buffer_avi, size_t bufsz_avi, + struct drm_display_mode *mode); +int mtk_hdmi_get_all_clk(struct mtk_hdmi *hdmi, struct device_node *np, + const char *const *clk_names, size_t num_clocks); +struct edid *mtk_hdmi_bridge_get_edid(struct drm_bridge *bridge, + struct drm_connector *connector); +bool mtk_hdmi_bridge_mode_fixup(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); +void +mtk_hdmi_bridge_mode_set(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + const struct drm_display_mode *adjusted_mode); +int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, + struct platform_device *pdev, const char *const *clk_names, size_t num_clocks); +int mtk_drm_hdmi_probe(struct platform_device *pdev); +int mtk_drm_hdmi_remove(struct platform_device *pdev); + +//TODO: do better than this? function pointers? +extern const struct drm_bridge_funcs mtk_mt8183_hdmi_bridge_funcs; +void mtk_hdmi_output_init_mt8183(struct mtk_hdmi *hdmi); +void mtk_hdmi_clk_disable_mt8183(struct mtk_hdmi *hdmi); +void set_hdmi_codec_pdata_mt8183(struct hdmi_codec_pdata *codec_data); + +#endif //_MTK_HDMI_COMMON_H