Now that the old panel drivers have been removed, we can remove the
old-model API and related code from the DSS encoder drivers.
This patch removes the code from the HDMI driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/video/omap2/dss/Makefile | 3 +-
drivers/video/omap2/dss/dss.h | 20 --
drivers/video/omap2/dss/hdmi.c | 303 ++++---------------------
drivers/video/omap2/dss/hdmi_panel.c | 414 -----------------------------------
4 files changed, 44 insertions(+), 696 deletions(-)
delete mode 100644 drivers/video/omap2/dss/hdmi_panel.c
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile
index 61949ff..e022ed1 100644
--- a/drivers/video/omap2/dss/Makefile
+++ b/drivers/video/omap2/dss/Makefile
@@ -10,6 +10,5 @@ omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o
omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o venc_panel.o
omapdss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o
omapdss-$(CONFIG_OMAP2_DSS_DSI) += dsi.o
-omapdss-$(CONFIG_OMAP4_DSS_HDMI) += hdmi.o \
- hdmi_panel.o ti_hdmi_4xxx_ip.o
+omapdss-$(CONFIG_OMAP4_DSS_HDMI) += hdmi.o ti_hdmi_4xxx_ip.o
ccflags-$(CONFIG_OMAP2_DSS_DEBUG) += -DDEBUG
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 146349f..6142885 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -452,26 +452,6 @@ void venc_panel_exit(void);
/* HDMI */
int hdmi_init_platform_driver(void) __init;
void hdmi_uninit_platform_driver(void) __exit;
-int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev);
-void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev);
-int omapdss_hdmi_core_enable(struct omap_dss_device *dssdev);
-void omapdss_hdmi_core_disable(struct omap_dss_device *dssdev);
-void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings);
-int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings);
-int omapdss_hdmi_read_edid(u8 *buf, int len);
-bool omapdss_hdmi_detect(void);
-int hdmi_panel_init(void);
-void hdmi_panel_exit(void);
-#ifdef CONFIG_OMAP4_DSS_HDMI_AUDIO
-int hdmi_audio_enable(void);
-void hdmi_audio_disable(void);
-int hdmi_audio_start(void);
-void hdmi_audio_stop(void);
-bool hdmi_mode_has_audio(void);
-int hdmi_audio_config(struct omap_dss_audio *audio);
-#endif
/* RFBI */
int rfbi_init_platform_driver(void) __init;
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 44a885b..0b8e4de 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -66,10 +66,6 @@ static struct {
struct clk *sys_clk;
struct regulator *vdda_hdmi_dac_reg;
- int ct_cp_hpd_gpio;
- int ls_oe_gpio;
- int hpd_gpio;
-
bool core_enabled;
struct omap_dss_device output;
@@ -353,40 +349,6 @@ static int hdmi_init_regulator(void)
return 0;
}
-static int hdmi_init_display(struct omap_dss_device *dssdev)
-{
- int r;
-
- struct gpio gpios[] = {
- { hdmi.ct_cp_hpd_gpio, GPIOF_OUT_INIT_LOW, "hdmi_ct_cp_hpd" },
- { hdmi.ls_oe_gpio, GPIOF_OUT_INIT_LOW, "hdmi_ls_oe" },
- { hdmi.hpd_gpio, GPIOF_DIR_IN, "hdmi_hpd" },
- };
-
- DSSDBG("init_display\n");
-
- dss_init_hdmi_ip_ops(&hdmi.ip_data, omapdss_get_version());
-
- r = hdmi_init_regulator();
- if (r)
- return r;
-
- r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
- if (r)
- return r;
-
- return 0;
-}
-
-static void hdmi_uninit_display(struct omap_dss_device *dssdev)
-{
- DSSDBG("uninit_display\n");
-
- gpio_free(hdmi.ct_cp_hpd_gpio);
- gpio_free(hdmi.ls_oe_gpio);
- gpio_free(hdmi.hpd_gpio);
-}
-
static const struct hdmi_config *hdmi_find_timing(
const struct hdmi_config *timings_arr,
int len)
@@ -517,17 +479,9 @@ static int hdmi_power_on_core(struct omap_dss_device *dssdev)
{
int r;
- if (gpio_is_valid(hdmi.ct_cp_hpd_gpio))
- gpio_set_value(hdmi.ct_cp_hpd_gpio, 1);
- if (gpio_is_valid(hdmi.ls_oe_gpio))
- gpio_set_value(hdmi.ls_oe_gpio, 1);
-
- /* wait 300us after CT_CP_HPD for the 5V power output to reach 90% */
- udelay(300);
-
r = regulator_enable(hdmi.vdda_hdmi_dac_reg);
if (r)
- goto err_vdac_enable;
+ return r;
r = hdmi_runtime_get();
if (r)
@@ -542,11 +496,7 @@ static int hdmi_power_on_core(struct omap_dss_device *dssdev)
err_runtime_get:
regulator_disable(hdmi.vdda_hdmi_dac_reg);
-err_vdac_enable:
- if (gpio_is_valid(hdmi.ct_cp_hpd_gpio))
- gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
- if (gpio_is_valid(hdmi.ls_oe_gpio))
- gpio_set_value(hdmi.ls_oe_gpio, 0);
+
return r;
}
@@ -556,10 +506,6 @@ static void hdmi_power_off_core(struct omap_dss_device *dssdev)
hdmi_runtime_put();
regulator_disable(hdmi.vdda_hdmi_dac_reg);
- if (gpio_is_valid(hdmi.ct_cp_hpd_gpio))
- gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
- if (gpio_is_valid(hdmi.ls_oe_gpio))
- gpio_set_value(hdmi.ls_oe_gpio, 0);
}
static int hdmi_power_on_full(struct omap_dss_device *dssdev)
@@ -640,7 +586,7 @@ static void hdmi_power_off_full(struct omap_dss_device *dssdev)
hdmi_power_off_core(dssdev);
}
-int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
+static int hdmi_display_check_timing(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
struct hdmi_cm cm;
@@ -654,7 +600,7 @@ int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
}
-void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev,
+static void hdmi_display_set_timing(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
struct hdmi_cm cm;
@@ -674,7 +620,7 @@ void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev,
mutex_unlock(&hdmi.lock);
}
-static void omapdss_hdmi_display_get_timings(struct omap_dss_device *dssdev,
+static void hdmi_display_get_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
const struct hdmi_config *cfg;
@@ -704,7 +650,7 @@ static void hdmi_dump_regs(struct seq_file *s)
mutex_unlock(&hdmi.lock);
}
-int omapdss_hdmi_read_edid(u8 *buf, int len)
+static int read_edid(u8 *buf, int len)
{
int r;
@@ -721,24 +667,7 @@ int omapdss_hdmi_read_edid(u8 *buf, int len)
return r;
}
-bool omapdss_hdmi_detect(void)
-{
- int r;
-
- mutex_lock(&hdmi.lock);
-
- r = hdmi_runtime_get();
- BUG_ON(r);
-
- r = gpio_get_value(hdmi.hpd_gpio);
-
- hdmi_runtime_put();
- mutex_unlock(&hdmi.lock);
-
- return r == 1;
-}
-
-int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev)
+static int hdmi_display_enable(struct omap_dss_device *dssdev)
{
struct omap_dss_device *out = &hdmi.output;
int r = 0;
@@ -767,7 +696,7 @@ err0:
return r;
}
-void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev)
+static void hdmi_display_disable(struct omap_dss_device *dssdev)
{
DSSDBG("Enter hdmi_display_disable\n");
@@ -778,7 +707,7 @@ void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev)
mutex_unlock(&hdmi.lock);
}
-int omapdss_hdmi_core_enable(struct omap_dss_device *dssdev)
+static int hdmi_core_enable(struct omap_dss_device *dssdev)
{
int r = 0;
@@ -800,7 +729,7 @@ err0:
return r;
}
-void omapdss_hdmi_core_disable(struct omap_dss_device *dssdev)
+static void hdmi_core_disable(struct omap_dss_device *dssdev)
{
DSSDBG("Enter omapdss_hdmi_core_disable\n");
@@ -927,35 +856,7 @@ int hdmi_compute_acr(u32 sample_freq, u32 *n, u32 *cts)
return 0;
}
-int hdmi_audio_enable(void)
-{
- DSSDBG("audio_enable\n");
-
- return hdmi.ip_data.ops->audio_enable(&hdmi.ip_data);
-}
-
-void hdmi_audio_disable(void)
-{
- DSSDBG("audio_disable\n");
-
- hdmi.ip_data.ops->audio_disable(&hdmi.ip_data);
-}
-
-int hdmi_audio_start(void)
-{
- DSSDBG("audio_start\n");
-
- return hdmi.ip_data.ops->audio_start(&hdmi.ip_data);
-}
-
-void hdmi_audio_stop(void)
-{
- DSSDBG("audio_stop\n");
-
- hdmi.ip_data.ops->audio_stop(&hdmi.ip_data);
-}
-
-bool hdmi_mode_has_audio(void)
+static bool hdmi_mode_has_audio(void)
{
if (hdmi.ip_data.cfg.cm.mode == HDMI_HDMI)
return true;
@@ -963,92 +864,8 @@ bool hdmi_mode_has_audio(void)
return false;
}
-int hdmi_audio_config(struct omap_dss_audio *audio)
-{
- return hdmi.ip_data.ops->audio_config(&hdmi.ip_data, audio);
-}
-
#endif
-static struct omap_dss_device *hdmi_find_dssdev(struct platform_device *pdev)
-{
- struct omap_dss_board_info *pdata = pdev->dev.platform_data;
- const char *def_disp_name = omapdss_get_default_display_name();
- struct omap_dss_device *def_dssdev;
- int i;
-
- def_dssdev = NULL;
-
- for (i = 0; i < pdata->num_devices; ++i) {
- struct omap_dss_device *dssdev = pdata->devices[i];
-
- if (dssdev->type != OMAP_DISPLAY_TYPE_HDMI)
- continue;
-
- if (def_dssdev == NULL)
- def_dssdev = dssdev;
-
- if (def_disp_name != NULL &&
- strcmp(dssdev->name, def_disp_name) == 0) {
- def_dssdev = dssdev;
- break;
- }
- }
-
- return def_dssdev;
-}
-
-static int hdmi_probe_pdata(struct platform_device *pdev)
-{
- struct omap_dss_device *plat_dssdev;
- struct omap_dss_device *dssdev;
- struct omap_dss_hdmi_data *priv;
- int r;
-
- plat_dssdev = hdmi_find_dssdev(pdev);
-
- if (!plat_dssdev)
- return 0;
-
- dssdev = dss_alloc_and_init_device(&pdev->dev);
- if (!dssdev)
- return -ENOMEM;
-
- dss_copy_device_pdata(dssdev, plat_dssdev);
-
- priv = dssdev->data;
-
- hdmi.ct_cp_hpd_gpio = priv->ct_cp_hpd_gpio;
- hdmi.ls_oe_gpio = priv->ls_oe_gpio;
- hdmi.hpd_gpio = priv->hpd_gpio;
-
- r = hdmi_init_display(dssdev);
- if (r) {
- DSSERR("device %s init failed: %d\n", dssdev->name, r);
- dss_put_device(dssdev);
- return r;
- }
-
- r = omapdss_output_set_device(&hdmi.output, dssdev);
- if (r) {
- DSSERR("failed to connect output to new device: %s\n",
- dssdev->name);
- dss_put_device(dssdev);
- return r;
- }
-
- r = dss_add_device(dssdev);
- if (r) {
- DSSERR("device %s register failed: %d\n", dssdev->name, r);
- omapdss_output_unset_device(&hdmi.output);
- hdmi_uninit_display(dssdev);
- dss_put_device(dssdev);
- return r;
- }
-
- return 0;
-}
-
static int hdmi_connect(struct omap_dss_device *dssdev,
struct omap_dss_device *dst)
{
@@ -1103,21 +920,21 @@ static int hdmi_read_edid(struct omap_dss_device *dssdev,
need_enable = hdmi.core_enabled == false;
if (need_enable) {
- r = omapdss_hdmi_core_enable(dssdev);
+ r = hdmi_core_enable(dssdev);
if (r)
return r;
}
- r = omapdss_hdmi_read_edid(edid, len);
+ r = read_edid(edid, len);
if (need_enable)
- omapdss_hdmi_core_disable(dssdev);
+ hdmi_core_disable(dssdev);
return r;
}
#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO)
-static int omapdss_hdmi_audio_enable(struct omap_dss_device *dssdev)
+static int hdmi_audio_enable(struct omap_dss_device *dssdev)
{
int r;
@@ -1128,7 +945,8 @@ static int omapdss_hdmi_audio_enable(struct omap_dss_device *dssdev)
goto err;
}
- r = hdmi_audio_enable();
+
+ r = hdmi.ip_data.ops->audio_enable(&hdmi.ip_data);
if (r)
goto err;
@@ -1140,22 +958,22 @@ err:
return r;
}
-static void omapdss_hdmi_audio_disable(struct omap_dss_device *dssdev)
+static void hdmi_audio_disable(struct omap_dss_device *dssdev)
{
- hdmi_audio_disable();
+ hdmi.ip_data.ops->audio_disable(&hdmi.ip_data);
}
-static int omapdss_hdmi_audio_start(struct omap_dss_device *dssdev)
+static int hdmi_audio_start(struct omap_dss_device *dssdev)
{
- return hdmi_audio_start();
+ return hdmi.ip_data.ops->audio_start(&hdmi.ip_data);
}
-static void omapdss_hdmi_audio_stop(struct omap_dss_device *dssdev)
+static void hdmi_audio_stop(struct omap_dss_device *dssdev)
{
- hdmi_audio_stop();
+ hdmi.ip_data.ops->audio_stop(&hdmi.ip_data);
}
-static bool omapdss_hdmi_audio_supported(struct omap_dss_device *dssdev)
+static bool hdmi_audio_supported(struct omap_dss_device *dssdev)
{
bool r;
@@ -1167,7 +985,7 @@ static bool omapdss_hdmi_audio_supported(struct omap_dss_device *dssdev)
return r;
}
-static int omapdss_hdmi_audio_config(struct omap_dss_device *dssdev,
+static int hdmi_audio_config(struct omap_dss_device *dssdev,
struct omap_dss_audio *audio)
{
int r;
@@ -1179,7 +997,7 @@ static int omapdss_hdmi_audio_config(struct omap_dss_device *dssdev,
goto err;
}
- r = hdmi_audio_config(audio);
+ r = hdmi.ip_data.ops->audio_config(&hdmi.ip_data, audio);
if (r)
goto err;
@@ -1191,30 +1009,30 @@ err:
return r;
}
#else
-static int omapdss_hdmi_audio_enable(struct omap_dss_device *dssdev)
+static int hdmi_audio_enable(struct omap_dss_device *dssdev)
{
return -EPERM;
}
-static void omapdss_hdmi_audio_disable(struct omap_dss_device *dssdev)
+static void hdmi_audio_disable(struct omap_dss_device *dssdev)
{
}
-static int omapdss_hdmi_audio_start(struct omap_dss_device *dssdev)
+static int hdmi_audio_start(struct omap_dss_device *dssdev)
{
return -EPERM;
}
-static void omapdss_hdmi_audio_stop(struct omap_dss_device *dssdev)
+static void hdmi_audio_stop(struct omap_dss_device *dssdev)
{
}
-static bool omapdss_hdmi_audio_supported(struct omap_dss_device *dssdev)
+static bool hdmi_audio_supported(struct omap_dss_device *dssdev)
{
return false;
}
-static int omapdss_hdmi_audio_config(struct omap_dss_device *dssdev,
+static int hdmi_audio_config(struct omap_dss_device *dssdev,
struct omap_dss_audio *audio)
{
return -EPERM;
@@ -1225,21 +1043,21 @@ static const struct omapdss_hdmi_ops hdmi_ops = {
.connect = hdmi_connect,
.disconnect = hdmi_disconnect,
- .enable = omapdss_hdmi_display_enable,
- .disable = omapdss_hdmi_display_disable,
+ .enable = hdmi_display_enable,
+ .disable = hdmi_display_disable,
- .check_timings = omapdss_hdmi_display_check_timing,
- .set_timings = omapdss_hdmi_display_set_timing,
- .get_timings = omapdss_hdmi_display_get_timings,
+ .check_timings = hdmi_display_check_timing,
+ .set_timings = hdmi_display_set_timing,
+ .get_timings = hdmi_display_get_timings,
.read_edid = hdmi_read_edid,
- .audio_enable = omapdss_hdmi_audio_enable,
- .audio_disable = omapdss_hdmi_audio_disable,
- .audio_start = omapdss_hdmi_audio_start,
- .audio_stop = omapdss_hdmi_audio_stop,
- .audio_supported = omapdss_hdmi_audio_supported,
- .audio_config = omapdss_hdmi_audio_config,
+ .audio_enable = hdmi_audio_enable,
+ .audio_disable = hdmi_audio_disable,
+ .audio_start = hdmi_audio_start,
+ .audio_stop = hdmi_audio_stop,
+ .audio_supported = hdmi_audio_supported,
+ .audio_config = hdmi_audio_config,
};
static void hdmi_init_output(struct platform_device *pdev)
@@ -1301,50 +1119,15 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev)
hdmi.ip_data.pll_offset = HDMI_PLLCTRL;
hdmi.ip_data.phy_offset = HDMI_PHY;
- hdmi.ct_cp_hpd_gpio = -1;
- hdmi.ls_oe_gpio = -1;
- hdmi.hpd_gpio = -1;
-
hdmi_init_output(pdev);
- r = hdmi_panel_init();
- if (r) {
- DSSERR("can't init panel\n");
- return r;
- }
-
dss_debugfs_create_file("hdmi", hdmi_dump_regs);
- if (pdev->dev.platform_data) {
- r = hdmi_probe_pdata(pdev);
- if (r)
- goto err_probe;
- }
-
- return 0;
-
-err_probe:
- hdmi_panel_exit();
- hdmi_uninit_output(pdev);
- pm_runtime_disable(&pdev->dev);
- return r;
-}
-
-static int __exit hdmi_remove_child(struct device *dev, void *data)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- hdmi_uninit_display(dssdev);
return 0;
}
static int __exit omapdss_hdmihw_remove(struct platform_device *pdev)
{
- device_for_each_child(&pdev->dev, NULL, hdmi_remove_child);
-
- dss_unregister_child_devices(&pdev->dev);
-
- hdmi_panel_exit();
-
hdmi_uninit_output(pdev);
pm_runtime_disable(&pdev->dev);
diff --git a/drivers/video/omap2/dss/hdmi_panel.c b/drivers/video/omap2/dss/hdmi_panel.c
deleted file mode 100644
index dfb8eda..0000000
--- a/drivers/video/omap2/dss/hdmi_panel.c
+++ /dev/null
@@ -1,414 +0,0 @@
-/*
- * hdmi_panel.c
- *
- * HDMI library support functions for TI OMAP4 processors.
- *
- * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
- * Authors: Mythri P k <mythripk@xxxxxx>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/kernel.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/mutex.h>
-#include <linux/module.h>
-#include <video/omapdss.h>
-#include <linux/slab.h>
-
-#include "dss.h"
-
-static struct {
- /* This protects the panel ops, mainly when accessing the HDMI IP. */
- struct mutex lock;
-#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO)
- /* This protects the audio ops, specifically. */
- spinlock_t audio_lock;
-#endif
-} hdmi;
-
-
-static int hdmi_panel_probe(struct omap_dss_device *dssdev)
-{
- /* Initialize default timings to VGA in DVI mode */
- const struct omap_video_timings default_timings = {
- .x_res = 640,
- .y_res = 480,
- .pixel_clock = 25175,
- .hsw = 96,
- .hfp = 16,
- .hbp = 48,
- .vsw = 2,
- .vfp = 11,
- .vbp = 31,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
-
- .interlace = false,
- };
-
- DSSDBG("ENTER hdmi_panel_probe\n");
-
- dssdev->panel.timings = default_timings;
-
- DSSDBG("hdmi_panel_probe x_res= %d y_res = %d\n",
- dssdev->panel.timings.x_res,
- dssdev->panel.timings.y_res);
-
- omapdss_hdmi_display_set_timing(dssdev, &dssdev->panel.timings);
-
- return 0;
-}
-
-static void hdmi_panel_remove(struct omap_dss_device *dssdev)
-{
-
-}
-
-#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO)
-static int hdmi_panel_audio_enable(struct omap_dss_device *dssdev)
-{
- unsigned long flags;
- int r;
-
- mutex_lock(&hdmi.lock);
- spin_lock_irqsave(&hdmi.audio_lock, flags);
-
- /* enable audio only if the display is active and supports audio */
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE ||
- !hdmi_mode_has_audio()) {
- DSSERR("audio not supported or display is off\n");
- r = -EPERM;
- goto err;
- }
-
- r = hdmi_audio_enable();
-
- if (!r)
- dssdev->audio_state = OMAP_DSS_AUDIO_ENABLED;
-
-err:
- spin_unlock_irqrestore(&hdmi.audio_lock, flags);
- mutex_unlock(&hdmi.lock);
- return r;
-}
-
-static void hdmi_panel_audio_disable(struct omap_dss_device *dssdev)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&hdmi.audio_lock, flags);
-
- hdmi_audio_disable();
-
- dssdev->audio_state = OMAP_DSS_AUDIO_DISABLED;
-
- spin_unlock_irqrestore(&hdmi.audio_lock, flags);
-}
-
-static int hdmi_panel_audio_start(struct omap_dss_device *dssdev)
-{
- unsigned long flags;
- int r;
-
- spin_lock_irqsave(&hdmi.audio_lock, flags);
- /*
- * No need to check the panel state. It was checked when trasitioning
- * to AUDIO_ENABLED.
- */
- if (dssdev->audio_state != OMAP_DSS_AUDIO_ENABLED) {
- DSSERR("audio start from invalid state\n");
- r = -EPERM;
- goto err;
- }
-
- r = hdmi_audio_start();
-
- if (!r)
- dssdev->audio_state = OMAP_DSS_AUDIO_PLAYING;
-
-err:
- spin_unlock_irqrestore(&hdmi.audio_lock, flags);
- return r;
-}
-
-static void hdmi_panel_audio_stop(struct omap_dss_device *dssdev)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&hdmi.audio_lock, flags);
-
- hdmi_audio_stop();
- dssdev->audio_state = OMAP_DSS_AUDIO_ENABLED;
-
- spin_unlock_irqrestore(&hdmi.audio_lock, flags);
-}
-
-static bool hdmi_panel_audio_supported(struct omap_dss_device *dssdev)
-{
- bool r = false;
-
- mutex_lock(&hdmi.lock);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- goto err;
-
- if (!hdmi_mode_has_audio())
- goto err;
-
- r = true;
-err:
- mutex_unlock(&hdmi.lock);
- return r;
-}
-
-static int hdmi_panel_audio_config(struct omap_dss_device *dssdev,
- struct omap_dss_audio *audio)
-{
- unsigned long flags;
- int r;
-
- mutex_lock(&hdmi.lock);
- spin_lock_irqsave(&hdmi.audio_lock, flags);
-
- /* config audio only if the display is active and supports audio */
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE ||
- !hdmi_mode_has_audio()) {
- DSSERR("audio not supported or display is off\n");
- r = -EPERM;
- goto err;
- }
-
- r = hdmi_audio_config(audio);
-
- if (!r)
- dssdev->audio_state = OMAP_DSS_AUDIO_CONFIGURED;
-
-err:
- spin_unlock_irqrestore(&hdmi.audio_lock, flags);
- mutex_unlock(&hdmi.lock);
- return r;
-}
-
-#else
-static int hdmi_panel_audio_enable(struct omap_dss_device *dssdev)
-{
- return -EPERM;
-}
-
-static void hdmi_panel_audio_disable(struct omap_dss_device *dssdev)
-{
-}
-
-static int hdmi_panel_audio_start(struct omap_dss_device *dssdev)
-{
- return -EPERM;
-}
-
-static void hdmi_panel_audio_stop(struct omap_dss_device *dssdev)
-{
-}
-
-static bool hdmi_panel_audio_supported(struct omap_dss_device *dssdev)
-{
- return false;
-}
-
-static int hdmi_panel_audio_config(struct omap_dss_device *dssdev,
- struct omap_dss_audio *audio)
-{
- return -EPERM;
-}
-#endif
-
-static int hdmi_panel_enable(struct omap_dss_device *dssdev)
-{
- int r = 0;
- DSSDBG("ENTER hdmi_panel_enable\n");
-
- mutex_lock(&hdmi.lock);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
- r = -EINVAL;
- goto err;
- }
-
- omapdss_hdmi_display_set_timing(dssdev, &dssdev->panel.timings);
-
- r = omapdss_hdmi_display_enable(dssdev);
- if (r) {
- DSSERR("failed to power on\n");
- goto err;
- }
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
-err:
- mutex_unlock(&hdmi.lock);
-
- return r;
-}
-
-static void hdmi_panel_disable(struct omap_dss_device *dssdev)
-{
- mutex_lock(&hdmi.lock);
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
- /*
- * TODO: notify audio users that the display was disabled. For
- * now, disable audio locally to not break our audio state
- * machine.
- */
- hdmi_panel_audio_disable(dssdev);
- omapdss_hdmi_display_disable(dssdev);
- }
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
- mutex_unlock(&hdmi.lock);
-}
-
-static void hdmi_get_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- mutex_lock(&hdmi.lock);
-
- *timings = dssdev->panel.timings;
-
- mutex_unlock(&hdmi.lock);
-}
-
-static void hdmi_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- DSSDBG("hdmi_set_timings\n");
-
- mutex_lock(&hdmi.lock);
-
- /*
- * TODO: notify audio users that there was a timings change. For
- * now, disable audio locally to not break our audio state machine.
- */
- hdmi_panel_audio_disable(dssdev);
-
- omapdss_hdmi_display_set_timing(dssdev, timings);
- dssdev->panel.timings = *timings;
-
- mutex_unlock(&hdmi.lock);
-}
-
-static int hdmi_check_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- int r = 0;
-
- DSSDBG("hdmi_check_timings\n");
-
- mutex_lock(&hdmi.lock);
-
- r = omapdss_hdmi_display_check_timing(dssdev, timings);
-
- mutex_unlock(&hdmi.lock);
- return r;
-}
-
-static int hdmi_read_edid(struct omap_dss_device *dssdev, u8 *buf, int len)
-{
- int r;
- bool need_enable;
-
- mutex_lock(&hdmi.lock);
-
- need_enable = dssdev->state == OMAP_DSS_DISPLAY_DISABLED;
-
- if (need_enable) {
- r = omapdss_hdmi_core_enable(dssdev);
- if (r)
- goto err;
- }
-
- r = omapdss_hdmi_read_edid(buf, len);
-
- if (need_enable)
- omapdss_hdmi_core_disable(dssdev);
-err:
- mutex_unlock(&hdmi.lock);
-
- return r;
-}
-
-static bool hdmi_detect(struct omap_dss_device *dssdev)
-{
- int r;
- bool need_enable;
-
- mutex_lock(&hdmi.lock);
-
- need_enable = dssdev->state == OMAP_DSS_DISPLAY_DISABLED;
-
- if (need_enable) {
- r = omapdss_hdmi_core_enable(dssdev);
- if (r)
- goto err;
- }
-
- r = omapdss_hdmi_detect();
-
- if (need_enable)
- omapdss_hdmi_core_disable(dssdev);
-err:
- mutex_unlock(&hdmi.lock);
-
- return r;
-}
-
-static struct omap_dss_driver hdmi_driver = {
- .probe = hdmi_panel_probe,
- .remove = hdmi_panel_remove,
- .enable = hdmi_panel_enable,
- .disable = hdmi_panel_disable,
- .get_timings = hdmi_get_timings,
- .set_timings = hdmi_set_timings,
- .check_timings = hdmi_check_timings,
- .read_edid = hdmi_read_edid,
- .detect = hdmi_detect,
- .audio_enable = hdmi_panel_audio_enable,
- .audio_disable = hdmi_panel_audio_disable,
- .audio_start = hdmi_panel_audio_start,
- .audio_stop = hdmi_panel_audio_stop,
- .audio_supported = hdmi_panel_audio_supported,
- .audio_config = hdmi_panel_audio_config,
- .driver = {
- .name = "hdmi_panel",
- .owner = THIS_MODULE,
- },
-};
-
-int hdmi_panel_init(void)
-{
- mutex_init(&hdmi.lock);
-
-#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO)
- spin_lock_init(&hdmi.audio_lock);
-#endif
-
- return omap_dss_register_driver(&hdmi_driver);
-}
-
-void hdmi_panel_exit(void)
-{
- omap_dss_unregister_driver(&hdmi_driver);
-
-}
--
1.8.1.2
--
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