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authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-11-05 11:11:50 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-11-05 11:11:50 +0200
commit9296dbd79efb3a754f06d71510cc47af7eff0bee (patch)
tree79e1f93bb4e95bf3075acf4a12f780b788ffb0ef /drivers/video/omap2/dss/hdmi.c
parentf8fb7d7b7bbaa9336aa44675f56fd2f329516200 (diff)
parentffc81fc5f3f6070820cb7ef885daa37545291e97 (diff)
Merge branch '3.8/misc-2'
Merge omapdss miscellaneous patches.
Diffstat (limited to 'drivers/video/omap2/dss/hdmi.c')
-rw-r--r--drivers/video/omap2/dss/hdmi.c124
1 files changed, 91 insertions, 33 deletions
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 0d6d7213a858..2aada9db0a04 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -295,6 +295,12 @@ static const struct hdmi_config vesa_timings[] = {
false, },
{ 0x55, HDMI_DVI },
},
+ {
+ { 1920, 1200, 154000, 32, 48, 80, 6, 3, 26,
+ OMAPDSS_SIG_ACTIVE_LOW, OMAPDSS_SIG_ACTIVE_HIGH,
+ false, },
+ { 0x44, HDMI_DVI },
+ },
};
static int hdmi_runtime_get(void)
@@ -323,7 +329,6 @@ static void hdmi_runtime_put(void)
static int __init hdmi_init_display(struct omap_dss_device *dssdev)
{
- struct omap_dss_board_info *pdata = hdmi.pdev->dev.platform_data;
int r;
struct gpio gpios[] = {
@@ -334,7 +339,7 @@ static int __init hdmi_init_display(struct omap_dss_device *dssdev)
DSSDBG("init_display\n");
- dss_init_hdmi_ip_ops(&hdmi.ip_data, pdata->version);
+ dss_init_hdmi_ip_ops(&hdmi.ip_data, omapdss_get_version());
if (hdmi.vdda_hdmi_dac_reg == NULL) {
struct regulator *reg;
@@ -399,7 +404,8 @@ static bool hdmi_timings_compare(struct omap_video_timings *timing1,
{
int timing1_vsync, timing1_hsync, timing2_vsync, timing2_hsync;
- if ((timing2->pixel_clock == timing1->pixel_clock) &&
+ if ((DIV_ROUND_CLOSEST(timing2->pixel_clock, 1000) ==
+ DIV_ROUND_CLOSEST(timing1->pixel_clock, 1000)) &&
(timing2->x_res == timing1->x_res) &&
(timing2->y_res == timing1->y_res)) {
@@ -501,12 +507,9 @@ static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy,
DSSDBG("range = %d sd = %d\n", pi->dcofreq, pi->regsd);
}
-static int hdmi_power_on(struct omap_dss_device *dssdev)
+static int hdmi_power_on_core(struct omap_dss_device *dssdev)
{
int r;
- struct omap_video_timings *p;
- struct omap_overlay_manager *mgr = dssdev->output->manager;
- unsigned long phy;
gpio_set_value(hdmi.ct_cp_hpd_gpio, 1);
gpio_set_value(hdmi.ls_oe_gpio, 1);
@@ -522,6 +525,46 @@ static int hdmi_power_on(struct omap_dss_device *dssdev)
if (r)
goto err_runtime_get;
+ /* Make selection of HDMI in DSS */
+ dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
+
+ /* Select the dispc clock source as PRCM clock, to ensure that it is not
+ * DSI PLL source as the clock selected by DSI PLL might not be
+ * sufficient for the resolution selected / that can be changed
+ * dynamically by user. This can be moved to single location , say
+ * Boardfile.
+ */
+ dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src);
+
+ return 0;
+
+err_runtime_get:
+ regulator_disable(hdmi.vdda_hdmi_dac_reg);
+err_vdac_enable:
+ gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
+ gpio_set_value(hdmi.ls_oe_gpio, 0);
+ return r;
+}
+
+static void hdmi_power_off_core(struct omap_dss_device *dssdev)
+{
+ hdmi_runtime_put();
+ regulator_disable(hdmi.vdda_hdmi_dac_reg);
+ gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
+ gpio_set_value(hdmi.ls_oe_gpio, 0);
+}
+
+static int hdmi_power_on_full(struct omap_dss_device *dssdev)
+{
+ int r;
+ struct omap_video_timings *p;
+ struct omap_overlay_manager *mgr = dssdev->output->manager;
+ unsigned long phy;
+
+ r = hdmi_power_on_core(dssdev);
+ if (r)
+ return r;
+
dss_mgr_disable(mgr);
p = &hdmi.ip_data.cfg.timings;
@@ -549,17 +592,6 @@ static int hdmi_power_on(struct omap_dss_device *dssdev)
hdmi.ip_data.ops->video_configure(&hdmi.ip_data);
- /* Make selection of HDMI in DSS */
- dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
-
- /* Select the dispc clock source as PRCM clock, to ensure that it is not
- * DSI PLL source as the clock selected by DSI PLL might not be
- * sufficient for the resolution selected / that can be changed
- * dynamically by user. This can be moved to single location , say
- * Boardfile.
- */
- dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src);
-
/* bypass TV gamma table */
dispc_enable_gamma_table(0);
@@ -583,16 +615,11 @@ err_vid_enable:
err_phy_enable:
hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
err_pll_enable:
- hdmi_runtime_put();
-err_runtime_get:
- regulator_disable(hdmi.vdda_hdmi_dac_reg);
-err_vdac_enable:
- gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
- gpio_set_value(hdmi.ls_oe_gpio, 0);
+ hdmi_power_off_core(dssdev);
return -EIO;
}
-static void hdmi_power_off(struct omap_dss_device *dssdev)
+static void hdmi_power_off_full(struct omap_dss_device *dssdev)
{
struct omap_overlay_manager *mgr = dssdev->output->manager;
@@ -601,12 +628,8 @@ static void hdmi_power_off(struct omap_dss_device *dssdev)
hdmi.ip_data.ops->video_disable(&hdmi.ip_data);
hdmi.ip_data.ops->phy_disable(&hdmi.ip_data);
hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
- hdmi_runtime_put();
-
- regulator_disable(hdmi.vdda_hdmi_dac_reg);
- gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
- gpio_set_value(hdmi.ls_oe_gpio, 0);
+ hdmi_power_off_core(dssdev);
}
int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
@@ -716,7 +739,7 @@ int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev)
goto err0;
}
- r = hdmi_power_on(dssdev);
+ r = hdmi_power_on_full(dssdev);
if (r) {
DSSERR("failed to power on device\n");
goto err1;
@@ -738,13 +761,48 @@ void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev)
mutex_lock(&hdmi.lock);
- hdmi_power_off(dssdev);
+ hdmi_power_off_full(dssdev);
omap_dss_stop_device(dssdev);
mutex_unlock(&hdmi.lock);
}
+int omapdss_hdmi_core_enable(struct omap_dss_device *dssdev)
+{
+ int r = 0;
+
+ DSSDBG("ENTER omapdss_hdmi_core_enable\n");
+
+ mutex_lock(&hdmi.lock);
+
+ hdmi.ip_data.hpd_gpio = hdmi.hpd_gpio;
+
+ r = hdmi_power_on_core(dssdev);
+ if (r) {
+ DSSERR("failed to power on device\n");
+ goto err0;
+ }
+
+ mutex_unlock(&hdmi.lock);
+ return 0;
+
+err0:
+ mutex_unlock(&hdmi.lock);
+ return r;
+}
+
+void omapdss_hdmi_core_disable(struct omap_dss_device *dssdev)
+{
+ DSSDBG("Enter omapdss_hdmi_core_disable\n");
+
+ mutex_lock(&hdmi.lock);
+
+ hdmi_power_off_core(dssdev);
+
+ mutex_unlock(&hdmi.lock);
+}
+
static int hdmi_get_clocks(struct platform_device *pdev)
{
struct clk *clk;
@@ -913,7 +971,7 @@ int hdmi_audio_config(struct omap_dss_audio *audio)
static struct omap_dss_device * __init hdmi_find_dssdev(struct platform_device *pdev)
{
struct omap_dss_board_info *pdata = pdev->dev.platform_data;
- const char *def_disp_name = dss_get_default_display_name();
+ const char *def_disp_name = omapdss_get_default_display_name();
struct omap_dss_device *def_dssdev;
int i;