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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-14 15:11:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-14 15:11:19 -0800
commit51be08419dc86c72486ac556aa39bc01026a403d (patch)
tree50ac35ac89f207d2a732b67eb2f1e9b671e5c064 /arch/arm/mach-omap2
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')
-rw-r--r--arch/arm/mach-omap2/board-4430sdp.c23
-rw-r--r--arch/arm/mach-omap2/board-omap4panda.c25
-rw-r--r--arch/arm/mach-omap2/display.c39
3 files changed, 56 insertions, 31 deletions
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 2ceb75d21eb2..39fba9df17fb 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -602,20 +602,6 @@ static void __init omap_sfh7741prox_init(void)
__func__, OMAP4_SFH7741_ENABLE_GPIO, error);
}
-static void sdp4430_hdmi_mux_init(void)
-{
- /* 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);
-}
-
static struct gpio sdp4430_hdmi_gpios[] = {
{ HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd" },
{ HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
@@ -833,9 +819,16 @@ static void omap_4430sdp_display_init(void)
pr_err("%s: Could not get display_sel GPIO\n", __func__);
sdp4430_lcd_init();
- sdp4430_hdmi_mux_init();
sdp4430_picodlp_init();
omap_display_init(&sdp4430_dss_data);
+ /*
+ * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
+ * later have external pull up on the HDMI I2C lines
+ */
+ if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
+ omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
+ else
+ omap_hdmi_init(0);
}
#ifdef CONFIG_OMAP_MUX
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index e96a2e7ad36f..30ad40db2cf3 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -412,21 +412,6 @@ int __init omap4_panda_dvi_init(void)
return r;
}
-
-static void omap4_panda_hdmi_mux_init(void)
-{
- /* 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);
-}
-
static struct gpio panda_hdmi_gpios[] = {
{ HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd" },
{ HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
@@ -478,8 +463,16 @@ void omap4_panda_display_init(void)
if (r)
pr_err("error initializing panda DVI\n");
- omap4_panda_hdmi_mux_init();
omap_display_init(&omap4_panda_dss_data);
+
+ /*
+ * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
+ * later have external pull up on the HDMI I2C lines
+ */
+ if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
+ omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
+ else
+ omap_hdmi_init(0);
}
static void __init omap4_panda_init(void)
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 @@
#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())