[PATCH v9 4/9] staging: imx-drm: imx-hdmi: move imx-hdmi to bridge/dw_hdmi

13 Nov 2014

the original imx hdmi driver is under staging/imx-drm,
which depends on imx-drm, so move the imx hdmi driver out
to drm/bridge and rename imx-hdmi to dw_hdmi
Signed-off-by: Andy Yan andy.yan@rock-chips.com
---
Changes in v9: None
Changes in v8: None
Changes in v7: None
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2:
- use git format -M to generate these patch
drivers/gpu/drm/bridge/Kconfig                     |   5 +
 drivers/gpu/drm/bridge/Makefile                    |   1 +
 .../imx-hdmi.c => gpu/drm/bridge/dw_hdmi.c}        | 281 +++++++++++----------
 .../imx-hdmi.h => gpu/drm/bridge/dw_hdmi.h}        |  46 +---
 drivers/staging/imx-drm/Kconfig                    |   1 +
 drivers/staging/imx-drm/Makefile                   |   2 +-
 drivers/staging/imx-drm/dw_hdmi-imx.c              |  70 ++---
 include/drm/bridge/dw_hdmi.h                       |  57 +++++
 8 files changed, 243 insertions(+), 220 deletions(-)
 rename drivers/{staging/imx-drm/imx-hdmi.c => gpu/drm/bridge/dw_hdmi.c} (83%)
 rename drivers/{staging/imx-drm/imx-hdmi.h => gpu/drm/bridge/dw_hdmi.h} (97%)
 create mode 100644 include/drm/bridge/dw_hdmi.h

diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index 884923f..26162ef 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -3,3 +3,8 @@ config DRM_PTN3460
    depends on DRM
    select DRM_KMS_HELPER
    ---help---
+
+config DRM_DW_HDMI
+	bool "Synopsys DesignWare High-Definition Multimedia Interface"
+	depends on DRM
+	select DRM_KMS_HELPER
diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile
index b4733e1..d8a8cfd 100644
--- a/drivers/gpu/drm/bridge/Makefile
+++ b/drivers/gpu/drm/bridge/Makefile
@@ -1,3 +1,4 @@
 ccflags-y := -Iinclude/drm
obj-$(CONFIG_DRM_PTN3460) += ptn3460.o
+obj-$(CONFIG_DRM_DW_HDMI) += dw_hdmi.o
diff --git a/drivers/staging/imx-drm/imx-hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
similarity index 83%
rename from drivers/staging/imx-drm/imx-hdmi.c
rename to drivers/gpu/drm/bridge/dw_hdmi.c
index c7e5f12..e9f0dfe 100644
--- a/drivers/staging/imx-drm/imx-hdmi.c
+++ b/drivers/gpu/drm/bridge/dw_hdmi.c
@@ -6,8 +6,7 @@
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
- * SH-Mobile High-Definition Multimedia Interface (HDMI) driver
- * for SLISHDMI13T and SLIPHDMIT IP cores
+ * Designware High-Definition Multimedia Interface (HDMI) driver
  *
  * Copyright (C) 2010, Guennadi Liakhovetski g.liakhovetski@gmx.de
  */
@@ -24,8 +23,9 @@
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_encoder_slave.h>
+#include <drm/bridge/dw_hdmi.h>
-#include "imx-hdmi.h"
+#include "dw_hdmi.h"
#define HDMI_EDID_LEN		512
@@ -101,15 +101,15 @@ struct hdmi_data_info {
    struct hdmi_vmode video_mode;
 };
-struct imx_hdmi {
+struct dw_hdmi {
    struct drm_connector connector;
    struct drm_encoder encoder;
-	enum imx_hdmi_devtype dev_type;
+	enum dw_hdmi_devtype dev_type;
    struct device *dev;
struct hdmi_data_info hdmi_data;
-	const struct imx_hdmi_plat_data *plat_data;
+	const struct dw_hdmi_plat_data *plat_data;
    void *priv;
    int vic;
@@ -127,17 +127,17 @@ struct imx_hdmi {
    int ratio;
 };
-static inline void hdmi_writeb(struct imx_hdmi *hdmi, u8 val, int offset)
+static inline void hdmi_writeb(struct dw_hdmi *hdmi, u8 val, int offset)
 {
    writeb(val, hdmi->regs + offset);
 }
-static inline u8 hdmi_readb(struct imx_hdmi *hdmi, int offset)
+static inline u8 hdmi_readb(struct dw_hdmi *hdmi, int offset)
 {
    return readb(hdmi->regs + offset);
 }
-static void hdmi_modb(struct imx_hdmi *hdmi, u8 data, u8 mask, unsigned reg)
+static void hdmi_modb(struct dw_hdmi *hdmi, u8 data, u8 mask, unsigned reg)
 {
    u8 val = hdmi_readb(hdmi, reg) & ~mask;
@@ -145,13 +145,13 @@ static void hdmi_modb(struct imx_hdmi *hdmi, u8 data, u8 mask, unsigned reg)
    hdmi_writeb(hdmi, val, reg);
 }
-static void hdmi_mask_writeb(struct imx_hdmi *hdmi, u8 data, unsigned int reg,
+static void hdmi_mask_writeb(struct dw_hdmi *hdmi, u8 data, unsigned int reg,
    		     u8 shift, u8 mask)
 {
    hdmi_modb(hdmi, data << shift, mask, reg);
 }
-static void hdmi_set_clock_regenerator_n(struct imx_hdmi *hdmi,
+static void hdmi_set_clock_regenerator_n(struct dw_hdmi *hdmi,
    				 unsigned int value)
 {
    hdmi_writeb(hdmi, value & 0xff, HDMI_AUD_N1);
@@ -162,7 +162,7 @@ static void hdmi_set_clock_regenerator_n(struct imx_hdmi *hdmi,
    hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_N_SHIFT_MASK, HDMI_AUD_CTS3);
 }
-static void hdmi_regenerate_cts(struct imx_hdmi *hdmi, unsigned int cts)
+static void hdmi_regenerate_cts(struct dw_hdmi *hdmi, unsigned int cts)
 {
    /* Must be set/cleared first */
    hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3);
@@ -309,7 +309,7 @@ static unsigned int hdmi_compute_cts(unsigned int freq, unsigned long pixel_clk,
    return (cts * ratio) / 100;
 }
-static void hdmi_set_clk_regenerator(struct imx_hdmi *hdmi,
+static void hdmi_set_clk_regenerator(struct dw_hdmi *hdmi,
    			     unsigned long pixel_clk)
 {
    unsigned int clk_n, clk_cts;
@@ -333,12 +333,12 @@ static void hdmi_set_clk_regenerator(struct imx_hdmi *hdmi,
    hdmi_regenerate_cts(hdmi, clk_cts);
 }
-static void hdmi_init_clk_regenerator(struct imx_hdmi *hdmi)
+static void hdmi_init_clk_regenerator(struct dw_hdmi *hdmi)
 {
    hdmi_set_clk_regenerator(hdmi, 74250000);
 }
-static void hdmi_clk_regenerator_update_pixel_clock(struct imx_hdmi *hdmi)
+static void hdmi_clk_regenerator_update_pixel_clock(struct dw_hdmi *hdmi)
 {
    hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock);
 }
@@ -350,7 +350,7 @@ static void hdmi_clk_regenerator_update_pixel_clock(struct imx_hdmi *hdmi)
  *			pin{31~24} <==> G[7:0]
  *			pin{15~8}  <==> B[7:0]
  */
-static void hdmi_video_sample(struct imx_hdmi *hdmi)
+static void hdmi_video_sample(struct dw_hdmi *hdmi)
 {
    int color_format = 0;
    u8 val;
@@ -406,12 +406,12 @@ static void hdmi_video_sample(struct imx_hdmi *hdmi)
    hdmi_writeb(hdmi, 0x0, HDMI_TX_BCBDATA1);
 }
-static int is_color_space_conversion(struct imx_hdmi *hdmi)
+static int is_color_space_conversion(struct dw_hdmi *hdmi)
 {
    return hdmi->hdmi_data.enc_in_format != hdmi->hdmi_data.enc_out_format;
 }
-static int is_color_space_decimation(struct imx_hdmi *hdmi)
+static int is_color_space_decimation(struct dw_hdmi *hdmi)
 {
    if (hdmi->hdmi_data.enc_out_format != YCBCR422_8BITS)
    	return 0;
@@ -421,7 +421,7 @@ static int is_color_space_decimation(struct imx_hdmi *hdmi)
    return 0;
 }
-static int is_color_space_interpolation(struct imx_hdmi *hdmi)
+static int is_color_space_interpolation(struct dw_hdmi *hdmi)
 {
    if (hdmi->hdmi_data.enc_in_format != YCBCR422_8BITS)
    	return 0;
@@ -431,7 +431,7 @@ static int is_color_space_interpolation(struct imx_hdmi *hdmi)
    return 0;
 }
-static void imx_hdmi_update_csc_coeffs(struct imx_hdmi *hdmi)
+static void dw_hdmi_update_csc_coeffs(struct dw_hdmi *hdmi)
 {
    const u16 (*csc_coeff)[3][4] = &csc_coeff_default;
    unsigned i;
@@ -472,7 +472,7 @@ static void imx_hdmi_update_csc_coeffs(struct imx_hdmi *hdmi)
    	  HDMI_CSC_SCALE);
 }
-static void hdmi_video_csc(struct imx_hdmi *hdmi)
+static void hdmi_video_csc(struct dw_hdmi *hdmi)
 {
    int color_depth = 0;
    int interpolation = HDMI_CSC_CFG_INTMODE_DISABLE;
@@ -500,7 +500,7 @@ static void hdmi_video_csc(struct imx_hdmi *hdmi)
    hdmi_modb(hdmi, color_depth, HDMI_CSC_SCALE_CSC_COLORDE_PTH_MASK,
    	  HDMI_CSC_SCALE);
-	imx_hdmi_update_csc_coeffs(hdmi);
+	dw_hdmi_update_csc_coeffs(hdmi);
 }
/*
@@ -508,7 +508,7 @@ static void hdmi_video_csc(struct imx_hdmi *hdmi)
  * for example, if input is YCC422 mode or repeater is used,
  * data should be repacked this module can be bypassed.
  */
-static void hdmi_video_packetize(struct imx_hdmi *hdmi)
+static void hdmi_video_packetize(struct dw_hdmi *hdmi)
 {
    unsigned int color_depth = 0;
    unsigned int remap_size = HDMI_VP_REMAP_YCC422_16bit;
@@ -605,40 +605,40 @@ static void hdmi_video_packetize(struct imx_hdmi *hdmi)
    	  HDMI_VP_CONF);
 }
-static inline void hdmi_phy_test_clear(struct imx_hdmi *hdmi,
+static inline void hdmi_phy_test_clear(struct dw_hdmi *hdmi,
    			       unsigned char bit)
 {
    hdmi_modb(hdmi, bit << HDMI_PHY_TST0_TSTCLR_OFFSET,
    	  HDMI_PHY_TST0_TSTCLR_MASK, HDMI_PHY_TST0);
 }
-static inline void hdmi_phy_test_enable(struct imx_hdmi *hdmi,
+static inline void hdmi_phy_test_enable(struct dw_hdmi *hdmi,
    				unsigned char bit)
 {
    hdmi_modb(hdmi, bit << HDMI_PHY_TST0_TSTEN_OFFSET,
    	  HDMI_PHY_TST0_TSTEN_MASK, HDMI_PHY_TST0);
 }
-static inline void hdmi_phy_test_clock(struct imx_hdmi *hdmi,
+static inline void hdmi_phy_test_clock(struct dw_hdmi *hdmi,
    			       unsigned char bit)
 {
    hdmi_modb(hdmi, bit << HDMI_PHY_TST0_TSTCLK_OFFSET,
    	  HDMI_PHY_TST0_TSTCLK_MASK, HDMI_PHY_TST0);
 }
-static inline void hdmi_phy_test_din(struct imx_hdmi *hdmi,
+static inline void hdmi_phy_test_din(struct dw_hdmi *hdmi,
    			     unsigned char bit)
 {
    hdmi_writeb(hdmi, bit, HDMI_PHY_TST1);
 }
-static inline void hdmi_phy_test_dout(struct imx_hdmi *hdmi,
+static inline void hdmi_phy_test_dout(struct dw_hdmi *hdmi,
    			      unsigned char bit)
 {
    hdmi_writeb(hdmi, bit, HDMI_PHY_TST2);
 }
-static bool hdmi_phy_wait_i2c_done(struct imx_hdmi *hdmi, int msec)
+static bool hdmi_phy_wait_i2c_done(struct dw_hdmi *hdmi, int msec)
 {
    while ((hdmi_readb(hdmi, HDMI_IH_I2CMPHY_STAT0) & 0x3) == 0) {
    	if (msec-- == 0)
@@ -648,7 +648,7 @@ static bool hdmi_phy_wait_i2c_done(struct imx_hdmi *hdmi, int msec)
    return true;
 }
-static void __hdmi_phy_i2c_write(struct imx_hdmi *hdmi, unsigned short data,
+static void __hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data,
    			 unsigned char addr)
 {
    hdmi_writeb(hdmi, 0xFF, HDMI_IH_I2CMPHY_STAT0);
@@ -662,56 +662,56 @@ static void __hdmi_phy_i2c_write(struct imx_hdmi *hdmi, unsigned short data,
    hdmi_phy_wait_i2c_done(hdmi, 1000);
 }
-static int hdmi_phy_i2c_write(struct imx_hdmi *hdmi, unsigned short data,
+static int hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data,
    		      unsigned char addr)
 {
    __hdmi_phy_i2c_write(hdmi, data, addr);
    return 0;
 }
-static void imx_hdmi_phy_enable_power(struct imx_hdmi *hdmi, u8 enable)
+static void dw_hdmi_phy_enable_power(struct dw_hdmi *hdmi, u8 enable)
 {
    hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
    		 HDMI_PHY_CONF0_PDZ_OFFSET,
    		 HDMI_PHY_CONF0_PDZ_MASK);
 }
-static void imx_hdmi_phy_enable_tmds(struct imx_hdmi *hdmi, u8 enable)
+static void dw_hdmi_phy_enable_tmds(struct dw_hdmi *hdmi, u8 enable)
 {
    hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
    		 HDMI_PHY_CONF0_ENTMDS_OFFSET,
    		 HDMI_PHY_CONF0_ENTMDS_MASK);
 }
-static void imx_hdmi_phy_gen2_pddq(struct imx_hdmi *hdmi, u8 enable)
+static void dw_hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, u8 enable)
 {
    hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
    		 HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET,
    		 HDMI_PHY_CONF0_GEN2_PDDQ_MASK);
 }
-static void imx_hdmi_phy_gen2_txpwron(struct imx_hdmi *hdmi, u8 enable)
+static void dw_hdmi_phy_gen2_txpwron(struct dw_hdmi *hdmi, u8 enable)
 {
    hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
    		 HDMI_PHY_CONF0_GEN2_TXPWRON_OFFSET,
    		 HDMI_PHY_CONF0_GEN2_TXPWRON_MASK);
 }
-static void imx_hdmi_phy_sel_data_en_pol(struct imx_hdmi *hdmi, u8 enable)
+static void dw_hdmi_phy_sel_data_en_pol(struct dw_hdmi *hdmi, u8 enable)
 {
    hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
    		 HDMI_PHY_CONF0_SELDATAENPOL_OFFSET,
    		 HDMI_PHY_CONF0_SELDATAENPOL_MASK);
 }
-static void imx_hdmi_phy_sel_interface_control(struct imx_hdmi *hdmi, u8 enable)
+static void dw_hdmi_phy_sel_interface_control(struct dw_hdmi *hdmi, u8 enable)
 {
    hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
    		 HDMI_PHY_CONF0_SELDIPIF_OFFSET,
    		 HDMI_PHY_CONF0_SELDIPIF_MASK);
 }
-static int hdmi_phy_configure(struct imx_hdmi *hdmi, unsigned char prep,
+static int hdmi_phy_configure(struct dw_hdmi *hdmi, unsigned char prep,
    		      unsigned char res, int cscon)
 {
    unsigned res_idx, i;
@@ -746,10 +746,10 @@ static int hdmi_phy_configure(struct imx_hdmi *hdmi, unsigned char prep,
    hdmi_writeb(hdmi, val, HDMI_MC_FLOWCTRL);
/* gen2 tx power off */
-	imx_hdmi_phy_gen2_txpwron(hdmi, 0);
+	dw_hdmi_phy_gen2_txpwron(hdmi, 0);
/* gen2 pddq */
-	imx_hdmi_phy_gen2_pddq(hdmi, 1);
+	dw_hdmi_phy_gen2_pddq(hdmi, 1);
/* PHY reset */
    hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_DEASSERT, HDMI_MC_PHYRSTZ);
@@ -796,15 +796,15 @@ static int hdmi_phy_configure(struct imx_hdmi *hdmi, unsigned char prep,
    /* REMOVE CLK TERM */
    hdmi_phy_i2c_write(hdmi, 0x8000, 0x05);  /* CKCALCTRL */
-	imx_hdmi_phy_enable_power(hdmi, 1);
+	dw_hdmi_phy_enable_power(hdmi, 1);
/* toggle TMDS enable */
-	imx_hdmi_phy_enable_tmds(hdmi, 0);
-	imx_hdmi_phy_enable_tmds(hdmi, 1);
+	dw_hdmi_phy_enable_tmds(hdmi, 0);
+	dw_hdmi_phy_enable_tmds(hdmi, 1);
/* gen2 tx power on */
-	imx_hdmi_phy_gen2_txpwron(hdmi, 1);
-	imx_hdmi_phy_gen2_pddq(hdmi, 0);
+	dw_hdmi_phy_gen2_txpwron(hdmi, 1);
+	dw_hdmi_phy_gen2_pddq(hdmi, 0);
/*Wait for PHY PLL lock */
    msec = 5;
@@ -825,7 +825,7 @@ static int hdmi_phy_configure(struct imx_hdmi *hdmi, unsigned char prep,
    return 0;
 }
-static int imx_hdmi_phy_init(struct imx_hdmi *hdmi)
+static int dw_hdmi_phy_init(struct dw_hdmi *hdmi)
 {
    int i, ret;
    bool cscon = false;
@@ -836,10 +836,10 @@ static int imx_hdmi_phy_init(struct imx_hdmi *hdmi)
/* HDMI Phy spec says to do the phy initialization sequence twice */
    for (i = 0; i < 2; i++) {
-		imx_hdmi_phy_sel_data_en_pol(hdmi, 1);
-		imx_hdmi_phy_sel_interface_control(hdmi, 0);
-		imx_hdmi_phy_enable_tmds(hdmi, 0);
-		imx_hdmi_phy_enable_power(hdmi, 0);
+		dw_hdmi_phy_sel_data_en_pol(hdmi, 1);
+		dw_hdmi_phy_sel_interface_control(hdmi, 0);
+		dw_hdmi_phy_enable_tmds(hdmi, 0);
+		dw_hdmi_phy_enable_power(hdmi, 0);
/* Enable CSC */
    	ret = hdmi_phy_configure(hdmi, 0, 8, cscon);
@@ -851,7 +851,7 @@ static int imx_hdmi_phy_init(struct imx_hdmi *hdmi)
    return 0;
 }
-static void hdmi_tx_hdcp_config(struct imx_hdmi *hdmi)
+static void hdmi_tx_hdcp_config(struct dw_hdmi *hdmi)
 {
    u8 de;
@@ -870,7 +870,7 @@ static void hdmi_tx_hdcp_config(struct imx_hdmi *hdmi)
    	  HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_MASK, HDMI_A_HDCPCFG1);
 }
-static void hdmi_config_AVI(struct imx_hdmi *hdmi)
+static void hdmi_config_AVI(struct dw_hdmi *hdmi)
 {
    u8 val, pix_fmt, under_scan;
    u8 act_ratio, coded_ratio, colorimetry, ext_colorimetry;
@@ -964,7 +964,7 @@ static void hdmi_config_AVI(struct imx_hdmi *hdmi)
    hdmi_writeb(hdmi, 0, HDMI_FC_AVISRB1);
 }
-static void hdmi_av_composer(struct imx_hdmi *hdmi,
+static void hdmi_av_composer(struct dw_hdmi *hdmi,
    		     const struct drm_display_mode *mode)
 {
    u8 inv_val;
@@ -1048,19 +1048,19 @@ static void hdmi_av_composer(struct imx_hdmi *hdmi,
    hdmi_writeb(hdmi, vsync_len, HDMI_FC_VSYNCINWIDTH);
 }
-static void imx_hdmi_phy_disable(struct imx_hdmi *hdmi)
+static void dw_hdmi_phy_disable(struct dw_hdmi *hdmi)
 {
    if (!hdmi->phy_enabled)
    	return;
-	imx_hdmi_phy_enable_tmds(hdmi, 0);
-	imx_hdmi_phy_enable_power(hdmi, 0);
+	dw_hdmi_phy_enable_tmds(hdmi, 0);
+	dw_hdmi_phy_enable_power(hdmi, 0);
hdmi->phy_enabled = false;
 }
/* HDMI Initialization Step B.4 */
-static void imx_hdmi_enable_video_path(struct imx_hdmi *hdmi)
+static void dw_hdmi_enable_video_path(struct dw_hdmi *hdmi)
 {
    u8 clkdis;
@@ -1089,13 +1089,13 @@ static void imx_hdmi_enable_video_path(struct imx_hdmi *hdmi)
    }
 }
-static void hdmi_enable_audio_clk(struct imx_hdmi *hdmi)
+static void hdmi_enable_audio_clk(struct dw_hdmi *hdmi)
 {
    hdmi_modb(hdmi, 0, HDMI_MC_CLKDIS_AUDCLK_DISABLE, HDMI_MC_CLKDIS);
 }
/* Workaround to clear the overflow condition */
-static void imx_hdmi_clear_overflow(struct imx_hdmi *hdmi)
+static void dw_hdmi_clear_overflow(struct dw_hdmi *hdmi)
 {
    int count;
    u8 val;
@@ -1113,19 +1113,19 @@ static void imx_hdmi_clear_overflow(struct imx_hdmi *hdmi)
    	hdmi_writeb(hdmi, val, HDMI_FC_INVIDCONF);
 }
-static void hdmi_enable_overflow_interrupts(struct imx_hdmi *hdmi)
+static void hdmi_enable_overflow_interrupts(struct dw_hdmi *hdmi)
 {
    hdmi_writeb(hdmi, 0, HDMI_FC_MASK2);
    hdmi_writeb(hdmi, 0, HDMI_IH_MUTE_FC_STAT2);
 }
-static void hdmi_disable_overflow_interrupts(struct imx_hdmi *hdmi)
+static void hdmi_disable_overflow_interrupts(struct dw_hdmi *hdmi)
 {
    hdmi_writeb(hdmi, HDMI_IH_MUTE_FC_STAT2_OVERFLOW_MASK,
    	    HDMI_IH_MUTE_FC_STAT2);
 }
-static int imx_hdmi_setup(struct imx_hdmi *hdmi, struct drm_display_mode *mode)
+static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
 {
    int ret;
@@ -1177,12 +1177,12 @@ static int imx_hdmi_setup(struct imx_hdmi *hdmi, struct drm_display_mode *mode)
    hdmi_av_composer(hdmi, mode);
/* HDMI Initializateion Step B.2 */
-	ret = imx_hdmi_phy_init(hdmi);
+	ret = dw_hdmi_phy_init(hdmi);
    if (ret)
    	return ret;
/* HDMI Initialization Step B.3 */
-	imx_hdmi_enable_video_path(hdmi);
+	dw_hdmi_enable_video_path(hdmi);
/* not for DVI mode */
    if (hdmi->hdmi_data.video_mode.mdvi) {
@@ -1203,7 +1203,7 @@ static int imx_hdmi_setup(struct imx_hdmi *hdmi, struct drm_display_mode *mode)
    hdmi_video_sample(hdmi);
    hdmi_tx_hdcp_config(hdmi);
-	imx_hdmi_clear_overflow(hdmi);
+	dw_hdmi_clear_overflow(hdmi);
    if (hdmi->cable_plugin && !hdmi->hdmi_data.video_mode.mdvi)
    	hdmi_enable_overflow_interrupts(hdmi);
@@ -1211,7 +1211,7 @@ static int imx_hdmi_setup(struct imx_hdmi *hdmi, struct drm_display_mode *mode)
 }
/* Wait until we are registered to enable interrupts */
-static int imx_hdmi_fb_registered(struct imx_hdmi *hdmi)
+static int dw_hdmi_fb_registered(struct dw_hdmi *hdmi)
 {
    hdmi_writeb(hdmi, HDMI_PHY_I2CM_INT_ADDR_DONE_POL,
    	    HDMI_PHY_I2CM_INT_ADDR);
@@ -1229,7 +1229,7 @@ static int imx_hdmi_fb_registered(struct imx_hdmi *hdmi)
    return 0;
 }
-static void initialize_hdmi_ih_mutes(struct imx_hdmi *hdmi)
+static void initialize_hdmi_ih_mutes(struct dw_hdmi *hdmi)
 {
    u8 ih_mute;
@@ -1281,29 +1281,29 @@ static void initialize_hdmi_ih_mutes(struct imx_hdmi *hdmi)
    hdmi_writeb(hdmi, ih_mute, HDMI_IH_MUTE);
 }
-static void imx_hdmi_poweron(struct imx_hdmi *hdmi)
+static void dw_hdmi_poweron(struct dw_hdmi *hdmi)
 {
-	imx_hdmi_setup(hdmi, &hdmi->previous_mode);
+	dw_hdmi_setup(hdmi, &hdmi->previous_mode);
 }
-static void imx_hdmi_poweroff(struct imx_hdmi *hdmi)
+static void dw_hdmi_poweroff(struct dw_hdmi *hdmi)
 {
-	imx_hdmi_phy_disable(hdmi);
+	dw_hdmi_phy_disable(hdmi);
 }
-static enum drm_connector_status imx_hdmi_connector_detect(struct drm_connector
+static enum drm_connector_status dw_hdmi_connector_detect(struct drm_connector
    						*connector, bool force)
 {
-	struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi,
+	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,
    				     connector);
return hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_HPD ?
    	connector_status_connected : connector_status_disconnected;
 }
-static int imx_hdmi_connector_get_modes(struct drm_connector *connector)
+static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
 {
-	struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi,
+	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,
    				     connector);
    struct edid *edid;
    int ret;
@@ -1326,102 +1326,102 @@ static int imx_hdmi_connector_get_modes(struct drm_connector *connector)
    return 0;
 }
-static struct drm_encoder *imx_hdmi_connector_best_encoder(struct drm_connector
+static struct drm_encoder *dw_hdmi_connector_best_encoder(struct drm_connector
    						   *connector)
 {
-	struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi,
+	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,
    				     connector);
return &hdmi->encoder;
 }
-static void imx_hdmi_encoder_mode_set(struct drm_encoder *encoder,
+static void dw_hdmi_encoder_mode_set(struct drm_encoder *encoder,
    		struct drm_display_mode *mode,
    		struct drm_display_mode *adjusted_mode)
 {
-	struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder);
+	struct dw_hdmi *hdmi = container_of(encoder, struct dw_hdmi, encoder);
-	imx_hdmi_setup(hdmi, mode);
+	dw_hdmi_setup(hdmi, mode);
/* Store the display mode for plugin/DKMS poweron events */
    memcpy(&hdmi->previous_mode, mode, sizeof(hdmi->previous_mode));
 }
-static bool imx_hdmi_encoder_mode_fixup(struct drm_encoder *encoder,
+static bool dw_hdmi_encoder_mode_fixup(struct drm_encoder *encoder,
    		const struct drm_display_mode *mode,
    		struct drm_display_mode *adjusted_mode)
 {
    return true;
 }
-static void imx_hdmi_encoder_disable(struct drm_encoder *encoder)
+static void dw_hdmi_encoder_disable(struct drm_encoder *encoder)
 {
 }
-static void imx_hdmi_encoder_dpms(struct drm_encoder *encoder, int mode)
+static void dw_hdmi_encoder_dpms(struct drm_encoder *encoder, int mode)
 {
-	struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder);
+	struct dw_hdmi *hdmi = container_of(encoder, struct dw_hdmi, encoder);
if (mode)
-		imx_hdmi_poweroff(hdmi);
+		dw_hdmi_poweroff(hdmi);
    else
-		imx_hdmi_poweron(hdmi);
+		dw_hdmi_poweron(hdmi);
 }
-static void imx_hdmi_encoder_prepare(struct drm_encoder *encoder)
+static void dw_hdmi_encoder_prepare(struct drm_encoder *encoder)
 {
-	struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder);
+	struct dw_hdmi *hdmi = container_of(encoder, struct dw_hdmi, encoder);
-	imx_hdmi_poweroff(hdmi);
+	dw_hdmi_poweroff(hdmi);
if (hdmi->plat_data->encoder_prepare)
    	hdmi->plat_data->encoder_prepare(&hdmi->connector, encoder);
 }
-static void imx_hdmi_encoder_commit(struct drm_encoder *encoder)
+static void dw_hdmi_encoder_commit(struct drm_encoder *encoder)
 {
-	struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder);
+	struct dw_hdmi *hdmi = container_of(encoder, struct dw_hdmi, encoder);
if (hdmi->plat_data->encoder_commit)
    	hdmi->plat_data->encoder_commit(hdmi->priv, encoder);
-	imx_hdmi_poweron(hdmi);
+	dw_hdmi_poweron(hdmi);
 }
-void imx_hdmi_connector_destroy(struct drm_connector *connector)
+void dw_hdmi_connector_destroy(struct drm_connector *connector)
 {
    drm_connector_unregister(connector);
    drm_connector_cleanup(connector);
 }
-static struct drm_encoder_funcs imx_hdmi_encoder_funcs = {
+static struct drm_encoder_funcs dw_hdmi_encoder_funcs = {
    .destroy = drm_encoder_cleanup,
 };
-static struct drm_encoder_helper_funcs imx_hdmi_encoder_helper_funcs = {
-	.dpms = imx_hdmi_encoder_dpms,
-	.prepare = imx_hdmi_encoder_prepare,
-	.commit = imx_hdmi_encoder_commit,
-	.mode_set = imx_hdmi_encoder_mode_set,
-	.mode_fixup = imx_hdmi_encoder_mode_fixup,
-	.disable = imx_hdmi_encoder_disable,
+static struct drm_encoder_helper_funcs dw_hdmi_encoder_helper_funcs = {
+	.dpms = dw_hdmi_encoder_dpms,
+	.prepare = dw_hdmi_encoder_prepare,
+	.commit = dw_hdmi_encoder_commit,
+	.mode_set = dw_hdmi_encoder_mode_set,
+	.mode_fixup = dw_hdmi_encoder_mode_fixup,
+	.disable = dw_hdmi_encoder_disable,
 };
-static struct drm_connector_funcs imx_hdmi_connector_funcs = {
+static struct drm_connector_funcs dw_hdmi_connector_funcs = {
    .dpms = drm_helper_connector_dpms,
    .fill_modes = drm_helper_probe_single_connector_modes,
-	.detect = imx_hdmi_connector_detect,
-	.destroy = imx_hdmi_connector_destroy,
+	.detect = dw_hdmi_connector_detect,
+	.destroy = dw_hdmi_connector_destroy,
 };
-static struct drm_connector_helper_funcs imx_hdmi_connector_helper_funcs = {
-	.get_modes = imx_hdmi_connector_get_modes,
-	.best_encoder = imx_hdmi_connector_best_encoder,
+static struct drm_connector_helper_funcs dw_hdmi_connector_helper_funcs = {
+	.get_modes = dw_hdmi_connector_get_modes,
+	.best_encoder = dw_hdmi_connector_best_encoder,
 };
-static irqreturn_t imx_hdmi_hardirq(int irq, void *dev_id)
+static irqreturn_t dw_hdmi_hardirq(int irq, void *dev_id)
 {
-	struct imx_hdmi *hdmi = dev_id;
+	struct dw_hdmi *hdmi = dev_id;
    u8 intr_stat;
intr_stat = hdmi_readb(hdmi, HDMI_IH_PHY_STAT0);
@@ -1431,9 +1431,9 @@ static irqreturn_t imx_hdmi_hardirq(int irq, void *dev_id)
    return intr_stat ? IRQ_WAKE_THREAD : IRQ_NONE;
 }
-static irqreturn_t imx_hdmi_irq(int irq, void *dev_id)
+static irqreturn_t dw_hdmi_irq(int irq, void *dev_id)
 {
-	struct imx_hdmi *hdmi = dev_id;
+	struct dw_hdmi *hdmi = dev_id;
    u8 intr_stat;
    u8 phy_int_pol;
@@ -1447,14 +1447,14 @@ static irqreturn_t imx_hdmi_irq(int irq, void *dev_id)
hdmi_modb(hdmi, 0, HDMI_PHY_HPD, HDMI_PHY_POL0);
-			imx_hdmi_poweron(hdmi);
+			dw_hdmi_poweron(hdmi);
    	} else {
    		dev_dbg(hdmi->dev, "EVENT=plugout\n");
hdmi_modb(hdmi, HDMI_PHY_HPD, HDMI_PHY_HPD,
    			  HDMI_PHY_POL0);
-			imx_hdmi_poweroff(hdmi);
+			dw_hdmi_poweroff(hdmi);
    	}
    	drm_helper_hpd_irq_event(hdmi->connector.dev);
    }
@@ -1465,7 +1465,7 @@ static irqreturn_t imx_hdmi_irq(int irq, void *dev_id)
    return IRQ_HANDLED;
 }
-static int imx_hdmi_register(struct drm_device *drm, struct imx_hdmi *hdmi)
+static int dw_hdmi_register(struct drm_device *drm, struct dw_hdmi *hdmi)
 {
    struct drm_encoder *encoder = &hdmi->encoder;
    struct device *dev = hdmi->dev;
@@ -1474,13 +1474,13 @@ static int imx_hdmi_register(struct drm_device *drm, struct imx_hdmi *hdmi)
hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
-	drm_encoder_helper_add(&hdmi->encoder, &imx_hdmi_encoder_helper_funcs);
-	drm_encoder_init(drm, &hdmi->encoder, &imx_hdmi_encoder_funcs,
+	drm_encoder_helper_add(&hdmi->encoder, &dw_hdmi_encoder_helper_funcs);
+	drm_encoder_init(drm, &hdmi->encoder, &dw_hdmi_encoder_funcs,
    		 DRM_MODE_ENCODER_TMDS);
drm_connector_helper_add(&hdmi->connector,
-				 &imx_hdmi_connector_helper_funcs);
-	drm_connector_init(drm, &hdmi->connector, &imx_hdmi_connector_funcs,
+				 &dw_hdmi_connector_helper_funcs);
+	drm_connector_init(drm, &hdmi->connector, &dw_hdmi_connector_funcs,
    		   DRM_MODE_CONNECTOR_HDMIA);
hdmi->connector.encoder = &hdmi->encoder;
@@ -1490,10 +1490,10 @@ static int imx_hdmi_register(struct drm_device *drm, struct imx_hdmi *hdmi)
    return 0;
 }
-static int imx_hdmi_bind(struct device *dev, struct device *master, void *data)
+static int dw_hdmi_bind(struct device *dev, struct device *master, void *data)
 {
    struct platform_device *pdev = to_platform_device(dev);
-	struct imx_hdmi *hdmi = platform_get_drvdata(pdev);
+	struct dw_hdmi *hdmi = platform_get_drvdata(pdev);
    struct drm_device *drm = data;
    struct device_node *np = dev->of_node;
    struct device_node *ddc_node;
@@ -1518,8 +1518,8 @@ static int imx_hdmi_bind(struct device *dev, struct device *master, void *data)
    if (irq < 0)
    	return irq;
-	ret = devm_request_threaded_irq(dev, irq, imx_hdmi_hardirq,
-					imx_hdmi_irq, IRQF_SHARED,
+	ret = devm_request_threaded_irq(dev, irq, dw_hdmi_hardirq,
+					dw_hdmi_irq, IRQF_SHARED,
    				dev_name(dev), hdmi);
    if (ret)
    	return ret;
@@ -1556,11 +1556,11 @@ static int imx_hdmi_bind(struct device *dev, struct device *master, void *data)
    /* Clear Hotplug interrupts */
    hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD, HDMI_IH_PHY_STAT0);
-	ret = imx_hdmi_fb_registered(hdmi);
+	ret = dw_hdmi_fb_registered(hdmi);
    if (ret)
    	return ret;
-	ret = imx_hdmi_register(drm, hdmi);
+	ret = dw_hdmi_register(drm, hdmi);
    if (ret)
    	return ret;
@@ -1572,10 +1572,10 @@ static int imx_hdmi_bind(struct device *dev, struct device *master, void *data)
    return 0;
 }
-static void imx_hdmi_unbind(struct device *dev, struct device *master,
+static void dw_hdmi_unbind(struct device *dev, struct device *master,
    void *data)
 {
-	struct imx_hdmi *hdmi = dev_get_drvdata(dev);
+	struct dw_hdmi *hdmi = dev_get_drvdata(dev);
/* Disable all interrupts */
    hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0);
@@ -1588,25 +1588,25 @@ static void imx_hdmi_unbind(struct device *dev, struct device *master,
 }
static const struct component_ops hdmi_ops = {
-	.bind	= imx_hdmi_bind,
-	.unbind	= imx_hdmi_unbind,
+	.bind	= dw_hdmi_bind,
+	.unbind	= dw_hdmi_unbind,
 };
-static int imx_hdmi_platform_probe(struct platform_device *pdev)
+static int dw_hdmi_platform_probe(struct platform_device *pdev)
 {
    return component_add(&pdev->dev, &hdmi_ops);
 }
-static int imx_hdmi_platform_remove(struct platform_device *pdev)
+static int dw_hdmi_platform_remove(struct platform_device *pdev)
 {
    component_del(&pdev->dev, &hdmi_ops);
    return 0;
 }
-int imx_hdmi_platform_register(struct platform_device *pdev,
-			       const struct imx_hdmi_plat_data *plat_data)
+int dw_hdmi_platform_register(struct platform_device *pdev,
+			      const struct dw_hdmi_plat_data *plat_data)
 {
-	struct imx_hdmi *hdmi;
+	struct dw_hdmi *hdmi;
hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);
    if (!hdmi)
@@ -1620,17 +1620,18 @@ int imx_hdmi_platform_register(struct platform_device *pdev,
platform_set_drvdata(pdev, hdmi);
-	return imx_hdmi_platform_probe(pdev);
+	return dw_hdmi_platform_probe(pdev);
 }
-EXPORT_SYMBOL_GPL(imx_hdmi_platform_register);
+EXPORT_SYMBOL_GPL(dw_hdmi_platform_register);
-int imx_hdmi_platform_unregister(struct platform_device *pdev)
+int dw_hdmi_platform_unregister(struct platform_device *pdev)
 {
-	return imx_hdmi_platform_remove(pdev);
+	return dw_hdmi_platform_remove(pdev);
 }
-EXPORT_SYMBOL_GPL(imx_hdmi_platform_unregister);
+EXPORT_SYMBOL_GPL(dw_hdmi_platform_unregister);
MODULE_AUTHOR("Sascha Hauer s.hauer@pengutronix.de");
-MODULE_DESCRIPTION("i.MX6 HDMI transmitter driver");
+MODULE_AUTHOR("Andy Yan andy.yan@rock-chips.com");
+MODULE_DESCRIPTION("DW HDMI transmitter driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:imx-hdmi");
+MODULE_ALIAS("platform:dw-hdmi");
diff --git a/drivers/staging/imx-drm/imx-hdmi.h b/drivers/gpu/drm/bridge/dw_hdmi.h
similarity index 97%
rename from drivers/staging/imx-drm/imx-hdmi.h
rename to drivers/gpu/drm/bridge/dw_hdmi.h
index e67d60d..b8412a9 100644
--- a/drivers/staging/imx-drm/imx-hdmi.h
+++ b/drivers/gpu/drm/bridge/dw_hdmi.h
@@ -7,8 +7,8 @@
  * (at your option) any later version.
  */
-#ifndef __IMX_HDMI_H__
-#define __IMX_HDMI_H__
+#ifndef __DW_HDMI__
+#define __DW_HDMI__
/* Identification Registers */
 #define HDMI_DESIGN_ID                          0x0000
@@ -1030,46 +1030,4 @@ enum {
    HDMI_A_VIDPOLCFG_HSYNCPOL_ACTIVE_LOW = 0x0,
 };
-enum {
-	RES_8,
-	RES_10,
-	RES_12,
-	RES_MAX,
-};
-
-enum imx_hdmi_devtype {
-	IMX6Q_HDMI,
-	IMX6DL_HDMI,
-};
-
-struct mpll_config {
-	unsigned long mpixelclock;
-	struct {
-		u16 cpce;
-		u16 gmp;
-	} res[RES_MAX];
-};
-
-struct curr_ctrl {
-	unsigned long mpixelclock;
-	u16 curr[RES_MAX];
-};
-
-struct imx_hdmi_plat_data {
-	void * (*setup)(struct platform_device *pdev);
-	void (*exit)(void *priv);
-	void (*encoder_commit)(void *priv, struct drm_encoder *encoder);
-	void (*encoder_prepare)(struct drm_connector *connector,
-				struct drm_encoder *encoder);
-	enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
-					   struct drm_display_mode *mode);
-	const struct mpll_config *mpll_cfg;
-	const struct curr_ctrl *cur_ctr;
-	enum imx_hdmi_devtype dev_type;
-
-};
-
-int imx_hdmi_platform_register(struct platform_device *pdev,
-			       const struct imx_hdmi_plat_data *plat_data);
-int imx_hdmi_platform_unregister(struct platform_device *pdev);
 #endif /* __IMX_HDMI_H__ */
diff --git a/drivers/staging/imx-drm/Kconfig b/drivers/staging/imx-drm/Kconfig
index ab31848..560e1d3 100644
--- a/drivers/staging/imx-drm/Kconfig
+++ b/drivers/staging/imx-drm/Kconfig
@@ -50,5 +50,6 @@ config DRM_IMX_IPUV3
 config DRM_IMX_HDMI
    tristate "Freescale i.MX DRM HDMI"
    depends on DRM_IMX
+	select DRM_DW_HDMI
    help
      Choose this if you want to use HDMI on i.MX6.
diff --git a/drivers/staging/imx-drm/Makefile b/drivers/staging/imx-drm/Makefile
index 809027d..f3ecd89 100644
--- a/drivers/staging/imx-drm/Makefile
+++ b/drivers/staging/imx-drm/Makefile
@@ -9,4 +9,4 @@ obj-$(CONFIG_DRM_IMX_LDB) += imx-ldb.o
imx-ipuv3-crtc-objs  := ipuv3-crtc.o ipuv3-plane.o
 obj-$(CONFIG_DRM_IMX_IPUV3)	+= imx-ipuv3-crtc.o
-obj-$(CONFIG_DRM_IMX_HDMI) += imx-hdmi.o dw_hdmi-imx.o
+obj-$(CONFIG_DRM_IMX_HDMI) += dw_hdmi-imx.o
diff --git a/drivers/staging/imx-drm/dw_hdmi-imx.c b/drivers/staging/imx-drm/dw_hdmi-imx.c
index 0db978e..4b48ea6 100644
--- a/drivers/staging/imx-drm/dw_hdmi-imx.c
+++ b/drivers/staging/imx-drm/dw_hdmi-imx.c
@@ -10,14 +10,14 @@
 #include <linux/platform_device.h>
 #include <linux/mfd/syscon.h>
 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
+#include <drm/bridge/dw_hdmi.h>
 #include <video/imx-ipu-v3.h>
 #include <linux/regmap.h>
 #include <linux/clk.h>
#include "imx-drm.h"
-#include "imx-hdmi.h"
-struct imx_hdmi_priv {
+struct imx_hdmi {
    struct device *dev;
    struct clk *isfr_clk;
    struct clk *iahb_clk;
@@ -69,7 +69,7 @@ static const struct curr_ctrl imx_cur_ctr[] = {
    }
 };
-static int imx_hdmi_parse_dt(struct imx_hdmi_priv *hdmi)
+static int dw_hdmi_parse_dt(struct imx_hdmi *hdmi)
 {
    struct device_node *np = hdmi->dev->of_node;
@@ -94,9 +94,9 @@ static int imx_hdmi_parse_dt(struct imx_hdmi_priv *hdmi)
    return 0;
 }
-static void *imx_hdmi_imx_setup(struct platform_device *pdev)
+static void *dw_hdmi_imx_setup(struct platform_device *pdev)
 {
-	struct imx_hdmi_priv *hdmi;
+	struct imx_hdmi *hdmi;
    int ret;
hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);
@@ -104,7 +104,7 @@ static void *imx_hdmi_imx_setup(struct platform_device *pdev)
    	return ERR_PTR(-ENOMEM);
    hdmi->dev = &pdev->dev;
-	ret = imx_hdmi_parse_dt(hdmi);
+	ret = dw_hdmi_parse_dt(hdmi);
    if (ret < 0)
    	return ERR_PTR(ret);
    ret = clk_prepare_enable(hdmi->isfr_clk);
@@ -124,18 +124,18 @@ static void *imx_hdmi_imx_setup(struct platform_device *pdev)
    return hdmi;
 }
-static void imx_hdmi_imx_exit(void *priv)
+static void dw_hdmi_imx_exit(void *priv)
 {
-	struct imx_hdmi_priv *hdmi = (struct imx_hdmi_priv *)priv;
+	struct imx_hdmi *hdmi = (struct imx_hdmi *)priv;
clk_disable_unprepare(hdmi->isfr_clk);
clk_disable_unprepare(hdmi->iahb_clk);
 }
-static void imx_hdmi_imx_encoder_commit(void *priv, struct drm_encoder *encoder)
+static void dw_hdmi_imx_encoder_commit(void *priv, struct drm_encoder *encoder)
 {
-	struct imx_hdmi_priv *hdmi = (struct imx_hdmi_priv *)priv;
+	struct imx_hdmi *hdmi = (struct imx_hdmi *)priv;
    int mux = imx_drm_encoder_get_mux_id(hdmi->dev->of_node, encoder);
regmap_update_bits(hdmi->regmap, IOMUXC_GPR3,
@@ -143,33 +143,33 @@ static void imx_hdmi_imx_encoder_commit(void *priv, struct drm_encoder *encoder)
    		   mux << IMX6Q_GPR3_HDMI_MUX_CTL_SHIFT);
 }
-static void imx_hdmi_imx_encoder_prepare(struct drm_connector *connector,
-					 struct drm_encoder *encoder)
+static void dw_hdmi_imx_encoder_prepare(struct drm_connector *connector,
+					struct drm_encoder *encoder)
 {
    imx_drm_panel_format(encoder, V4L2_PIX_FMT_RGB24);
 }
-static struct imx_hdmi_plat_data imx6q_hdmi_drv_data = {
-	.setup			= imx_hdmi_imx_setup,
-	.exit			= imx_hdmi_imx_exit,
-	.encoder_commit		= imx_hdmi_imx_encoder_commit,
-	.encoder_prepare	= imx_hdmi_imx_encoder_prepare,
+static struct dw_hdmi_plat_data imx6q_hdmi_drv_data = {
+	.setup			= dw_hdmi_imx_setup,
+	.exit			= dw_hdmi_imx_exit,
+	.encoder_commit		= dw_hdmi_imx_encoder_commit,
+	.encoder_prepare	= dw_hdmi_imx_encoder_prepare,
    .mpll_cfg		= imx_mpll_cfg,
    .cur_ctr		= imx_cur_ctr,
    .dev_type		= IMX6Q_HDMI,
 };
-static struct imx_hdmi_plat_data imx6dl_hdmi_drv_data = {
-	.setup			= imx_hdmi_imx_setup,
-	.exit			= imx_hdmi_imx_exit,
-	.encoder_commit		= imx_hdmi_imx_encoder_commit,
-	.encoder_prepare	= imx_hdmi_imx_encoder_prepare,
+static struct dw_hdmi_plat_data imx6dl_hdmi_drv_data = {
+	.setup			= dw_hdmi_imx_setup,
+	.exit			= dw_hdmi_imx_exit,
+	.encoder_commit		= dw_hdmi_imx_encoder_commit,
+	.encoder_prepare	= dw_hdmi_imx_encoder_prepare,
    .mpll_cfg		= imx_mpll_cfg,
    .cur_ctr		= imx_cur_ctr,
    .dev_type		= IMX6DL_HDMI,
 };
-static const struct of_device_id imx_hdmi_imx_ids[] = {
+static const struct of_device_id dw_hdmi_imx_ids[] = {
    { .compatible = "fsl,imx6q-hdmi",
      .data = &imx6q_hdmi_drv_data
    }, {
@@ -178,38 +178,38 @@ static const struct of_device_id imx_hdmi_imx_ids[] = {
    },
    {},
 };
-MODULE_DEVICE_TABLE(of, imx_hdmi_imx_dt_ids);
+MODULE_DEVICE_TABLE(of, dw_hdmi_imx_dt_ids);
-static int imx_hdmi_imx_probe(struct platform_device *pdev)
+static int dw_hdmi_imx_probe(struct platform_device *pdev)
 {
-	const struct imx_hdmi_plat_data *plat_data;
+	const struct dw_hdmi_plat_data *plat_data;
    const struct of_device_id *match;
if (!pdev->dev.of_node)
    	return -ENODEV;
-	match = of_match_node(imx_hdmi_imx_ids, pdev->dev.of_node);
+	match = of_match_node(dw_hdmi_imx_ids, pdev->dev.of_node);
    plat_data = match->data;
-	return imx_hdmi_platform_register(pdev, plat_data);
+	return dw_hdmi_platform_register(pdev, plat_data);
 }
-static int imx_hdmi_imx_remove(struct platform_device *pdev)
+static int dw_hdmi_imx_remove(struct platform_device *pdev)
 {
-	return imx_hdmi_platform_unregister(pdev);
+	return dw_hdmi_platform_unregister(pdev);
 }
-static struct platform_driver imx_hdmi_imx_platform_driver = {
-	.probe  = imx_hdmi_imx_probe,
-	.remove = imx_hdmi_imx_remove,
+static struct platform_driver dw_hdmi_imx_platform_driver = {
+	.probe  = dw_hdmi_imx_probe,
+	.remove = dw_hdmi_imx_remove,
    .driver = {
    	.name = "dwhdmi-imx",
    	.owner = THIS_MODULE,
-		.of_match_table = imx_hdmi_imx_ids,
+		.of_match_table = dw_hdmi_imx_ids,
    },
 };
-module_platform_driver(imx_hdmi_imx_platform_driver);
+module_platform_driver(dw_hdmi_imx_platform_driver);
MODULE_AUTHOR("Andy Yan andy.yan@rock-chips.com");
 MODULE_DESCRIPTION("IMX6 Specific DW-HDMI Driver Extension");
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
new file mode 100644
index 0000000..6683b63
--- /dev/null
+++ b/include/drm/bridge/dw_hdmi.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __DW_HDMI_H__
+#define __DW_HDMI_H__
+
+#include <drm/drmP.h>
+
+enum {
+	RES_8,
+	RES_10,
+	RES_12,
+	RES_MAX,
+};
+
+enum dw_hdmi_devtype {
+	IMX6Q_HDMI,
+	IMX6DL_HDMI,
+};
+
+struct mpll_config {
+	unsigned long mpixelclock;
+	struct {
+		u16 cpce;
+		u16 gmp;
+	} res[RES_MAX];
+};
+
+struct curr_ctrl {
+	unsigned long mpixelclock;
+	u16 curr[RES_MAX];
+};
+
+struct dw_hdmi_plat_data {
+	void * (*setup)(struct platform_device *pdev);
+	void (*exit)(void *priv);
+	void (*encoder_commit)(void *priv, struct drm_encoder *encoder);
+	void (*encoder_prepare)(struct drm_connector *connector,
+				struct drm_encoder *encoder);
+	enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
+					   struct drm_display_mode *mode);
+	const struct mpll_config *mpll_cfg;
+	const struct curr_ctrl *cur_ctr;
+	enum dw_hdmi_devtype dev_type;
+
+};
+
+int dw_hdmi_platform_register(struct platform_device *pdev,
+			      const struct dw_hdmi_plat_data *plat_data);
+int dw_hdmi_platform_unregister(struct platform_device *pdev);
+#endif /* __IMX_HDMI_H__ */
-- 
1.9.1



    

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[PATCH v9 4/9] staging: imx-drm: imx-hdmi: move imx-hdmi to bridge/dw_hdmi