diff options
author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-05-15 10:48:45 +0300 |
---|---|---|
committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-08-29 16:21:52 +0300 |
commit | 164ebdd1107ad1150033acd0e76e4f16456b5ca6 (patch) | |
tree | e5598902bd0c3da2124547eae79ae40148b3644c /drivers/video | |
parent | 86a3efe150af25e7ca495d4ea46c6aa69c3d462a (diff) |
OMAPDSS: HDMI: remove code related to old panel model
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@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/omap2/dss/Makefile | 3 | ||||
-rw-r--r-- | drivers/video/omap2/dss/dss.h | 20 | ||||
-rw-r--r-- | drivers/video/omap2/dss/hdmi.c | 303 | ||||
-rw-r--r-- | drivers/video/omap2/dss/hdmi_panel.c | 414 |
4 files changed, 44 insertions, 696 deletions
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile index 61949ff7940..e022ed10380 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 146349f6ae9..6142885751e 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 44a885b9282..0b8e4dec2c0 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 dfb8eda81b6..00000000000 --- 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@ti.com> - * - * 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); - -} |