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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-14 18:11:19 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-14 18:11:19 -0500
commit51be08419dc86c72486ac556aa39bc01026a403d (patch)
tree50ac35ac89f207d2a732b67eb2f1e9b671e5c064 /arch/arm/mach-omap2/display.c
parentec8013beddd717d1740cfefb1a9b900deef85462 (diff)
parentf787f32e67e00b072f46b2ae3c454d2c0a1fcdb7 (diff)
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.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index bc6cf863a563..3c446d1a1781 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -30,6 +30,7 @@
30#include <plat/omap-pm.h> 30#include <plat/omap-pm.h>
31#include "common.h" 31#include "common.h"
32 32
33#include "mux.h"
33#include "control.h" 34#include "control.h"
34#include "display.h" 35#include "display.h"
35 36
@@ -97,6 +98,36 @@ static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initdata = {
97 { "dss_hdmi", "omapdss_hdmi", -1 }, 98 { "dss_hdmi", "omapdss_hdmi", -1 },
98}; 99};
99 100
101static void omap4_hdmi_mux_pads(enum omap_hdmi_flags flags)
102{
103 u32 reg;
104 u16 control_i2c_1;
105
106 /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
107 omap_mux_init_signal("hdmi_hpd",
108 OMAP_PIN_INPUT_PULLUP);
109 omap_mux_init_signal("hdmi_cec",
110 OMAP_PIN_INPUT_PULLUP);
111 /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
112 omap_mux_init_signal("hdmi_ddc_scl",
113 OMAP_PIN_INPUT_PULLUP);
114 omap_mux_init_signal("hdmi_ddc_sda",
115 OMAP_PIN_INPUT_PULLUP);
116
117 /*
118 * CONTROL_I2C_1: HDMI_DDC_SDA_PULLUPRESX (bit 28) and
119 * HDMI_DDC_SCL_PULLUPRESX (bit 24) are set to disable
120 * internal pull up resistor.
121 */
122 if (flags & OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP) {
123 control_i2c_1 = OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_I2C_1;
124 reg = omap4_ctrl_pad_readl(control_i2c_1);
125 reg |= (OMAP4_HDMI_DDC_SDA_PULLUPRESX_MASK |
126 OMAP4_HDMI_DDC_SCL_PULLUPRESX_MASK);
127 omap4_ctrl_pad_writel(reg, control_i2c_1);
128 }
129}
130
100static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes) 131static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
101{ 132{
102 u32 enable_mask, enable_shift; 133 u32 enable_mask, enable_shift;
@@ -130,6 +161,14 @@ static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
130 return 0; 161 return 0;
131} 162}
132 163
164int omap_hdmi_init(enum omap_hdmi_flags flags)
165{
166 if (cpu_is_omap44xx())
167 omap4_hdmi_mux_pads(flags);
168
169 return 0;
170}
171
133static int omap_dsi_enable_pads(int dsi_id, unsigned lane_mask) 172static int omap_dsi_enable_pads(int dsi_id, unsigned lane_mask)
134{ 173{
135 if (cpu_is_omap44xx()) 174 if (cpu_is_omap44xx())