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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-14 15:11:19 -0800 | 
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-14 15:11:19 -0800 | 
| commit | 51be08419dc86c72486ac556aa39bc01026a403d (patch) | |
| tree | 50ac35ac89f207d2a732b67eb2f1e9b671e5c064 /arch/arm/mach-omap2/display.c | |
| parent | ec8013beddd717d1740cfefb1a9b900deef85462 (diff) | |
| parent | f787f32e67e00b072f46b2ae3c454d2c0a1fcdb7 (diff) | |
| download | olio-linux-3.10-51be08419dc86c72486ac556aa39bc01026a403d.tar.xz olio-linux-3.10-51be08419dc86c72486ac556aa39bc01026a403d.zip  | |
Merge branch 'fbdev-next' of git://github.com/schandinat/linux-2.6
* 'fbdev-next' of git://github.com/schandinat/linux-2.6: (175 commits)
  module_param: make bool parameters really bool (drivers/video/i810)
  Revert "atmel_lcdfb: Adjust HFP calculation so it matches the manual."
  OMAPDSS: HDMI: Disable DDC internal pull up
  OMAPDSS: HDMI: Move duplicate code from boardfile
  OMAPDSS: add OrtusTech COM43H4M10XTC display support
  OMAP: DSS2: Support for UMSH-8173MD TFT panel
  ASoC: OMAP: HDMI: Move HDMI codec trigger function to generic HDMI driver
  OMAPDSS: HDMI: Create function to enable HDMI audio
  ASoC: OMAP: HDMI: Correct signature of ASoC functions
  ASoC: OMAP: HDMI: Introduce driver data for audio codec
  grvga: fix section mismatch warnings
  video: s3c-fb: Don't keep device runtime active when open
  video: s3c-fb: Hold runtime PM references when touching registers
  video: s3c-fb: Take a runtime PM reference when unblanked
  video: s3c-fb: Disable runtime PM in error paths from probe
  video: s3c-fb: Use s3c_fb_enable() to enable the framebuffer
  video: s3c-fb: Make runtime PM functional again
  drivers/video: fsl-diu-fb: merge fsl_diu_alloc() into map_video_memory()
  drivers/video: fsl-diu-fb: add default platform ops functions
  drivers/video: fsl-diu-fb: remove broken reference count enabling the display
  ...
Diffstat (limited to 'arch/arm/mach-omap2/display.c')
| -rw-r--r-- | arch/arm/mach-omap2/display.c | 39 | 
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index bc6cf863a56..3c446d1a178 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -30,6 +30,7 @@  #include <plat/omap-pm.h>  #include "common.h" +#include "mux.h"  #include "control.h"  #include "display.h" @@ -97,6 +98,36 @@ static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initdata = {  	{ "dss_hdmi", "omapdss_hdmi", -1 },  }; +static void omap4_hdmi_mux_pads(enum omap_hdmi_flags flags) +{ +	u32 reg; +	u16 control_i2c_1; + +	/* PAD0_HDMI_HPD_PAD1_HDMI_CEC */ +	omap_mux_init_signal("hdmi_hpd", +			OMAP_PIN_INPUT_PULLUP); +	omap_mux_init_signal("hdmi_cec", +			OMAP_PIN_INPUT_PULLUP); +	/* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */ +	omap_mux_init_signal("hdmi_ddc_scl", +			OMAP_PIN_INPUT_PULLUP); +	omap_mux_init_signal("hdmi_ddc_sda", +			OMAP_PIN_INPUT_PULLUP); + +	/* +	 * CONTROL_I2C_1: HDMI_DDC_SDA_PULLUPRESX (bit 28) and +	 * HDMI_DDC_SCL_PULLUPRESX (bit 24) are set to disable +	 * internal pull up resistor. +	 */ +	if (flags & OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP) { +		control_i2c_1 = OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_I2C_1; +		reg = omap4_ctrl_pad_readl(control_i2c_1); +		reg |= (OMAP4_HDMI_DDC_SDA_PULLUPRESX_MASK | +			OMAP4_HDMI_DDC_SCL_PULLUPRESX_MASK); +			omap4_ctrl_pad_writel(reg, control_i2c_1); +	} +} +  static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)  {  	u32 enable_mask, enable_shift; @@ -130,6 +161,14 @@ static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)  	return 0;  } +int omap_hdmi_init(enum omap_hdmi_flags flags) +{ +	if (cpu_is_omap44xx()) +		omap4_hdmi_mux_pads(flags); + +	return 0; +} +  static int omap_dsi_enable_pads(int dsi_id, unsigned lane_mask)  {  	if (cpu_is_omap44xx())  |