TVout hardware block is responsible to dispatch the data flow coming from compositor block to any of the output (HDMI or Analog TV). It control when output are start/stop and configure according the require flow path.
TVout is the parent of HDMI and HDA drivers and bind them at runtime.
Signed-off-by: Benjamin Gaignard benjamin.gaignard@linaro.org --- drivers/gpu/drm/sti/Makefile | 3 +- drivers/gpu/drm/sti/sti_tvout.c | 678 ++++++++++++++++++++++++++++++++++++++++ drivers/gpu/drm/sti/sti_tvout.h | 18 ++ 3 files changed, 698 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/sti/sti_tvout.c create mode 100644 drivers/gpu/drm/sti/sti_tvout.h
diff --git a/drivers/gpu/drm/sti/Makefile b/drivers/gpu/drm/sti/Makefile index df47171..dcc9568 100644 --- a/drivers/gpu/drm/sti/Makefile +++ b/drivers/gpu/drm/sti/Makefile @@ -4,4 +4,5 @@ obj-$(CONFIG_DRM_STI) += \ sti_hdmi.o \ sti_hdmi_tx3g0c55phy.o \ sti_hdmi_tx3g4c28phy.o \ - sti_hda.o + sti_hda.o \ + sti_tvout.o \ No newline at end of file diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c new file mode 100644 index 0000000..d778e35 --- /dev/null +++ b/drivers/gpu/drm/sti/sti_tvout.c @@ -0,0 +1,678 @@ +/* + * Copyright (C) STMicroelectronics SA 2014 + * Authors: Benjamin Gaignard benjamin.gaignard@st.com + * Vincent Abriou vincent.abriou@st.com + * for STMicroelectronics. + * License terms: GNU General Public License (GPL), version 2 + */ + +#include <linux/clk.h> +#include <linux/component.h> +#include <linux/module.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/reset.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> + +#include "sti_drm_connector.h" +#include "sti_drm_encoder.h" +#include "sti_tvout.h" + +/* glue registers */ +#define TVO_CSC_MAIN_M0 0x000 +#define TVO_CSC_MAIN_M1 0x004 +#define TVO_CSC_MAIN_M2 0x008 +#define TVO_CSC_MAIN_M3 0x00c +#define TVO_CSC_MAIN_M4 0x010 +#define TVO_CSC_MAIN_M5 0x014 +#define TVO_CSC_MAIN_M6 0x018 +#define TVO_CSC_MAIN_M7 0x01c +#define TVO_MAIN_IN_VID_FORMAT 0x030 +#define TVO_CSC_AUX_M0 0x100 +#define TVO_CSC_AUX_M1 0x104 +#define TVO_CSC_AUX_M2 0x108 +#define TVO_CSC_AUX_M3 0x10c +#define TVO_CSC_AUX_M4 0x110 +#define TVO_CSC_AUX_M5 0x114 +#define TVO_CSC_AUX_M6 0x118 +#define TVO_CSC_AUX_M7 0x11c +#define TVO_AUX_IN_VID_FORMAT 0x130 +#define TVO_VIP_HDF 0x400 +#define TVO_HD_SYNC_SEL 0x418 +#define TVO_HD_DAC_CFG_OFF 0x420 +#define TVO_VIP_HDMI 0x500 +#define TVO_HDMI_FORCE_COLOR_0 0x504 +#define TVO_HDMI_FORCE_COLOR_1 0x508 +#define TVO_HDMI_CLIP_VALUE_B_CB 0x50c +#define TVO_HDMI_CLIP_VALUE_Y_G 0x510 +#define TVO_HDMI_CLIP_VALUE_R_CR 0x514 +#define TVO_HDMI_SYNC_SEL 0x518 +#define TVO_HDMI_DFV_OBS 0x540 + +#define TVO_IN_FMT_SIGNED BIT(0) +#define TVO_SYNC_EXT BIT(4) + +#define TVO_VIP_REORDER_R_SHIFT 24 +#define TVO_VIP_REORDER_G_SHIFT 20 +#define TVO_VIP_REORDER_B_SHIFT 16 +#define TVO_VIP_REORDER_MASK 0x3 +#define TVO_VIP_REORDER_Y_G_SEL 0 +#define TVO_VIP_REORDER_CB_B_SEL 1 +#define TVO_VIP_REORDER_CR_R_SEL 2 + +#define TVO_VIP_CLIP_SHIFT 8 +#define TVO_VIP_CLIP_MASK 0x7 +#define TVO_VIP_CLIP_DISABLED 0 +#define TVO_VIP_CLIP_EAV_SAV 1 +#define TVO_VIP_CLIP_LIMITED_RANGE_RGB_Y 2 +#define TVO_VIP_CLIP_LIMITED_RANGE_CB_CR 3 +#define TVO_VIP_CLIP_PROG_RANGE 4 + +#define TVO_VIP_RND_SHIFT 4 +#define TVO_VIP_RND_MASK 0x3 +#define TVO_VIP_RND_8BIT_ROUNDED 0 +#define TVO_VIP_RND_10BIT_ROUNDED 1 +#define TVO_VIP_RND_12BIT_ROUNDED 2 + +#define TVO_VIP_SEL_INPUT_MASK 0xf +#define TVO_VIP_SEL_INPUT_MAIN 0x0 +#define TVO_VIP_SEL_INPUT_AUX 0x8 +#define TVO_VIP_SEL_INPUT_FORCE_COLOR 0xf +#define TVO_VIP_SEL_INPUT_BYPASS_MASK 0x1 +#define TVO_VIP_SEL_INPUT_BYPASSED 1 + +#define TVO_SYNC_MAIN_VTG_SET_REF 0x00 +#define TVO_SYNC_MAIN_VTG_SET_1 0x01 +#define TVO_SYNC_MAIN_VTG_SET_2 0x02 +#define TVO_SYNC_MAIN_VTG_SET_3 0x03 +#define TVO_SYNC_MAIN_VTG_SET_4 0x04 +#define TVO_SYNC_MAIN_VTG_SET_5 0x05 +#define TVO_SYNC_MAIN_VTG_SET_6 0x06 +#define TVO_SYNC_AUX_VTG_SET_REF 0x10 +#define TVO_SYNC_AUX_VTG_SET_1 0x11 +#define TVO_SYNC_AUX_VTG_SET_2 0x12 +#define TVO_SYNC_AUX_VTG_SET_3 0x13 +#define TVO_SYNC_AUX_VTG_SET_4 0x14 +#define TVO_SYNC_AUX_VTG_SET_5 0x15 +#define TVO_SYNC_AUX_VTG_SET_6 0x16 + +#define TVO_SYNC_HD_DCS_SHIFT 8 + +/* enum listing the supported output data format */ +enum sti_tvout_video_out_type { + STI_TVOUT_VIDEO_OUT_RGB, + STI_TVOUT_VIDEO_OUT_YUV, +}; + +/** + * STI TVout structure + * + * @dev: pointer to driver device + * @regs: registers + * @reset: reset control of the tvout + */ +struct sti_tvout { + struct device *dev; + void __iomem *regs; + struct reset_control *reset; +}; + +/* preformatter conversion matrix */ +static const u32 rgb_to_ycbcr_601[8] = { + 0xF927082E, 0x04C9FEAB, 0x01D30964, 0xFA95FD3D, + 0x0000082E, 0x00002000, 0x00002000, 0x00000000 +}; + +/* 709 RGB to YCbCr */ +static const u32 rgb_to_ycbcr_709[8] = { + 0xF891082F, 0x0367FF40, 0x01280B71, 0xF9B1FE20, + 0x0000082F, 0x00002000, 0x00002000, 0x00000000 +}; + +static u32 tvout_read(struct sti_tvout *tvout, int offset) +{ + return readl(tvout->regs + offset); +} + +static void tvout_write(struct sti_tvout *tvout, u32 val, int offset) +{ + writel(val, tvout->regs + offset); +} + +/** + * Set the clipping mode of a VIP + * + * @tvout: tvout structure + * @cr_r: + * @y_g: + * @cb_b: + */ +static void tvout_vip_set_color_order(struct sti_tvout *tvout, + u32 cr_r, u32 y_g, u32 cb_b) +{ + u32 val = tvout_read(tvout, TVO_VIP_HDMI); + + val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_R_SHIFT); + val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_G_SHIFT); + val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_B_SHIFT); + val |= cr_r << TVO_VIP_REORDER_R_SHIFT; + val |= y_g << TVO_VIP_REORDER_G_SHIFT; + val |= cb_b << TVO_VIP_REORDER_B_SHIFT; + + tvout_write(tvout, val, TVO_VIP_HDMI); +} + +/** + * Set the clipping mode of a VIP + * + * @tvout: tvout structure + * @range: clipping range + */ +static void tvout_vip_set_clip_mode(struct sti_tvout *tvout, u32 range) +{ + u32 val = tvout_read(tvout, TVO_VIP_HDMI); + + val &= ~(TVO_VIP_CLIP_MASK << TVO_VIP_CLIP_SHIFT); + val |= range << TVO_VIP_CLIP_SHIFT; + tvout_write(tvout, val, TVO_VIP_HDMI); +} + +/** + * Set the rounded value of a VIP + * + * @tvout: tvout structure + * @rnd: rounded val per component + */ +static void tvout_vip_set_rnd(struct sti_tvout *tvout, u32 rnd) +{ + u32 val = tvout_read(tvout, TVO_VIP_HDMI); + + val &= ~(TVO_VIP_RND_MASK << TVO_VIP_RND_SHIFT); + val |= rnd << TVO_VIP_RND_SHIFT; + tvout_write(tvout, val, TVO_VIP_HDMI); +} + +/** + * Select the VIP input + * + * @tvout: tvout structure + * @sel_input: selected_input (main/aux + conv) + */ +static void tvout_vip_set_sel_input(struct sti_tvout *tvout, + bool main_path, + bool sel_input_logic_inverted, + enum sti_tvout_video_out_type video_out) +{ + u32 sel_input; + u32 val = tvout_read(tvout, TVO_VIP_HDMI); + + if (main_path) + sel_input = TVO_VIP_SEL_INPUT_MAIN; + else + sel_input = TVO_VIP_SEL_INPUT_AUX; + + switch (video_out) { + case STI_TVOUT_VIDEO_OUT_RGB: + sel_input |= TVO_VIP_SEL_INPUT_BYPASSED; + break; + case STI_TVOUT_VIDEO_OUT_YUV: + sel_input &= ~TVO_VIP_SEL_INPUT_BYPASSED; + break; + } + + /* on stih407 chip the sel_input bypass mode logic is inverted */ + if (sel_input_logic_inverted) + sel_input = sel_input ^ TVO_VIP_SEL_INPUT_BYPASS_MASK; + + val &= ~TVO_VIP_SEL_INPUT_MASK; + val |= sel_input; + tvout_write(tvout, val, TVO_VIP_HDMI); +} + +/** + * Select the input video signed or unsigned + * + * @tvout: tvout structure + * @in_vid_signed: used video input format + */ +static void tvout_vip_set_in_vid_fmt(struct sti_tvout *tvout, u32 in_vid_fmt) +{ + u32 val = tvout_read(tvout, TVO_VIP_HDMI); + + val &= ~TVO_IN_FMT_SIGNED; + val |= in_vid_fmt; + tvout_write(tvout, val, TVO_MAIN_IN_VID_FORMAT); +} + +/** + * Start VIP block for HDMI output + * + * @tvout: pointer on tvout structure + * @main_path: true if main path has to be used in the vip configuration + * else aux path is used. + */ +static void tvout_hdmi_start(struct sti_tvout *tvout, bool main_path) +{ + struct device_node *node = tvout->dev->of_node; + bool sel_input_logic_inverted = false; + + dev_dbg(tvout->dev, "%s\n", __func__); + + if (main_path) { + DRM_DEBUG_DRIVER("main vip for hdmi\n"); + /* select the input sync for hdmi = VTG set 1 */ + writel(TVO_SYNC_MAIN_VTG_SET_1, + tvout->regs + TVO_HDMI_SYNC_SEL); + } else { + DRM_DEBUG_DRIVER("aux vip for hdmi\n"); + /* select the input sync for hdmi = VTG set 1 */ + writel(TVO_SYNC_AUX_VTG_SET_1, tvout->regs + TVO_HDMI_SYNC_SEL); + } + + /* set color channel order */ + tvout_vip_set_color_order(tvout, + TVO_VIP_REORDER_CR_R_SEL, + TVO_VIP_REORDER_Y_G_SEL, + TVO_VIP_REORDER_CB_B_SEL); + + /* set clipping mode (Limited range RGB/Y) */ + tvout_vip_set_clip_mode(tvout, TVO_VIP_CLIP_LIMITED_RANGE_RGB_Y); + + /* set round mode (rounded to 8-bit per component) */ + tvout_vip_set_rnd(tvout, TVO_VIP_RND_8BIT_ROUNDED); + + if (of_device_is_compatible(node, "st,stih407-tvout")) { + /* set input video format */ + tvout_vip_set_in_vid_fmt(tvout->regs + TVO_MAIN_IN_VID_FORMAT, + TVO_IN_FMT_SIGNED); + sel_input_logic_inverted = true; + } + + /* input selection */ + tvout_vip_set_sel_input(tvout, main_path, + sel_input_logic_inverted, STI_TVOUT_VIDEO_OUT_RGB); +} + +/** + * Prepare/configure VIP block for HDMI output + * + * @tvout: pointer on tvout structure + */ +static void tvout_hdmi_prepare(struct sti_tvout *tvout) +{ + dev_dbg(tvout->dev, "%s\n", __func__); + + /* reset VIP register */ + writel(0x00000000, tvout->regs + TVO_VIP_HDMI); +} + +/** + * Disable HDMI VIP + * + * @tvout: pointer on tvout structure + */ +static void tvout_hdmi_stop(struct sti_tvout *tvout) +{ + dev_dbg(tvout->dev, "%s\n", __func__); + + /* reset VIP register */ + writel(0x00000000, tvout->regs + TVO_VIP_HDMI); +} + +/** + * Start HDF VIP and HD DAC + * + * @tvout: pointer on tvout structure + * @main_path: true if main path has to be used in the vip configuration + * else aux path is used. + */ +static void tvout_hda_start(struct sti_tvout *tvout, bool main_path) +{ + struct device_node *node = tvout->dev->of_node; + bool sel_input_logic_inverted = false; + + dev_dbg(tvout->dev, "%s\n", __func__); + + if (!main_path) { + DRM_ERROR("HD Analog on aux not implemented\n"); + return; + } + + DRM_DEBUG_DRIVER("main vip for HDF\n"); + + /* set color channel order */ + tvout_vip_set_color_order(tvout->regs + TVO_VIP_HDF, + TVO_VIP_REORDER_CR_R_SEL, + TVO_VIP_REORDER_Y_G_SEL, + TVO_VIP_REORDER_CB_B_SEL); + + /* set clipping mode (Limited range RGB/Y) */ + tvout_vip_set_clip_mode(tvout->regs + TVO_VIP_HDF, + TVO_VIP_CLIP_LIMITED_RANGE_CB_CR); + + /* set round mode (rounded to 10-bit per component) */ + tvout_vip_set_rnd(tvout->regs + TVO_VIP_HDF, TVO_VIP_RND_10BIT_ROUNDED); + + if (of_device_is_compatible(node, "st,stih407-tvout")) { + /* set input video format */ + tvout_vip_set_in_vid_fmt(tvout, TVO_IN_FMT_SIGNED); + sel_input_logic_inverted = true; + } + + /* Input selection */ + tvout_vip_set_sel_input(tvout->regs + TVO_VIP_HDF, + main_path, + sel_input_logic_inverted, + STI_TVOUT_VIDEO_OUT_YUV); + + /* select the input sync for HD analog = VTG set 3 + * and HD DCS = VTG set 2 */ + writel((TVO_SYNC_MAIN_VTG_SET_2 << TVO_SYNC_HD_DCS_SHIFT) | + TVO_SYNC_MAIN_VTG_SET_3, tvout->regs + TVO_HD_SYNC_SEL); + + /* power up HD DAC */ + writel(0, tvout->regs + TVO_HD_DAC_CFG_OFF); +} + +/** + * Prepare/configure HDF VIP and HD DAC + * + * @tvout: pointer on tvout structure + */ +static void tvout_hda_prepare(struct sti_tvout *tvout) +{ + dev_dbg(tvout->dev, "%s\n", __func__); + + /* reset VIP register */ + writel(0x00000000, tvout->regs + TVO_VIP_HDF); + + /* power down HD DAC */ + writel(1, tvout->regs + TVO_HD_DAC_CFG_OFF); +} + +/** + * Stop HDF VIP and HD DAC + * + * @tvout: pointer on tvout structure + */ +static void tvout_hda_stop(struct sti_tvout *tvout) +{ + dev_dbg(tvout->dev, "%s\n", __func__); + + /* reset VIP register */ + writel(0x00000000, tvout->regs + TVO_VIP_HDF); + + /* power down HD DAC */ + writel(1, tvout->regs + TVO_HD_DAC_CFG_OFF); +} + +/** + * Forward drm display mode information to the connector + * + * @c: drm_connector + * @mode: mode to be set + * @main_path: indicated if the connector use the main or auxillary data path + * + * Return negative value if error occurs + */ +int sti_tvout_set_mode(struct drm_connector *c, + struct drm_display_mode *mode, bool main_path) +{ + struct sti_connector *connector = to_sti_connector(c); + + if (connector) + if (connector->set_mode) + return connector->set_mode(c, mode, main_path); + + return -EINVAL; +} + +/** + * Prepare / initialize depending on the connector type + * + * @connector: drm_connector + * + * Return negative value if error occurs + */ +int sti_tvout_prepare(struct drm_connector *c) +{ + struct sti_connector *connector = to_sti_connector(c); + struct sti_tvout *tvout = dev_get_drvdata(connector->master); + int ret; + + dev_dbg(tvout->dev, "%s\n", __func__); + + if (connector) + if (connector->prepare) + connector->prepare(c); + + switch (connector->type) { + case STI_CONNECTOR_HDMI: + tvout_hdmi_prepare(tvout); + ret = 0; + break; + case STI_CONNECTOR_HDA: + tvout_hda_prepare(tvout); + ret = 0; + break; + case STI_CONNECTOR_DVO: + case STI_CONNECTOR_DENC: + default: + /* not yet supported */ + ret = -EINVAL; + break; + } + + return ret; +} + +/** + * Commit / start depending on the connector type + * + * @tvout: pointer on tvout structure + * @type: type of connector + * @main_path: true if main path need to be use (false for aux path) + * + * Return negative value if error occurs + */ +int sti_tvout_commit(struct drm_connector *c, bool main_path) +{ + struct sti_connector *connector = to_sti_connector(c); + struct sti_tvout *tvout = dev_get_drvdata(connector->master); + int type = connector->type; + u32 matrix_offset; + unsigned int i; + + dev_dbg(tvout->dev, "%s\n", __func__); + + if (!connector) + return -EINVAL; + + if (connector->start) { + if (connector->start(c)) { + DRM_ERROR("Unable to properly start connector\n"); + return -EINVAL; + } + } + + /* set preformatter matrix */ + matrix_offset = main_path ? TVO_CSC_MAIN_M0 : TVO_CSC_AUX_M0; + for (i = 0; i < 8; i++) + writel(rgb_to_ycbcr_601[i], + tvout->regs + matrix_offset + (i * 4)); + + switch (type) { + case STI_CONNECTOR_HDMI: + tvout_hdmi_start(tvout, main_path); + return 0; + case STI_CONNECTOR_HDA: + tvout_hda_start(tvout, main_path); + return 0; + case STI_CONNECTOR_DVO: + case STI_CONNECTOR_DENC: + default: + /* not yet supported */ + return -EINVAL; + } +} + +/** + * Disable / stop the tvout depending on the connector type + * + * @tvout: pointer on tvout structure + * @type: type of connector + */ +void sti_tvout_disable(struct drm_connector *c) +{ + struct sti_connector *connector = to_sti_connector(c); + struct sti_tvout *tvout = dev_get_drvdata(connector->master); + int type = connector->type; + + switch (type) { + case STI_CONNECTOR_HDMI: + tvout_hdmi_stop(tvout); + break; + case STI_CONNECTOR_HDA: + tvout_hda_stop(tvout); + break; + case STI_CONNECTOR_DVO: + case STI_CONNECTOR_DENC: + default: + /* not yet supported */ + return; + } + + if (connector) + if (connector->stop) + connector->stop(c); +} + +static int sti_tvout_bind(struct device *dev, struct device *master, void *data) +{ + return 0; +} + +static void sti_tvout_unbind(struct device *dev, struct device *master, + void *data) +{ + /* do nothing */ +} + +static const struct component_ops sti_tvout_ops = { + .bind = sti_tvout_bind, + .unbind = sti_tvout_unbind, +}; + +static int compare_of(struct device *dev, void *data) +{ + struct device_node *np = data; + + return dev->of_node == np; +} + +static int sti_tvout_add_components(struct device *master, struct master *m) +{ + struct device_node *np = master->of_node; + struct device_node *child_np; + + child_np = of_get_next_available_child(np, NULL); + + while (child_np) { + DRM_INFO("TVout add child %s\n", child_np->name); + component_master_add_child(m, compare_of, child_np); + of_node_put(child_np); + child_np = of_get_next_available_child(np, child_np); + } + + return 0; +} + +static int sti_tvout_master_bind(struct device *dev) +{ + return 0; +} + +static void sti_tvout_master_unbind(struct device *dev) +{ + /* do nothing */ +} + +static const struct component_master_ops sti_tvout_master_ops = { + .add_components = sti_tvout_add_components, + .bind = sti_tvout_master_bind, + .unbind = sti_tvout_master_unbind, +}; + +static int sti_tvout_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->of_node; + struct sti_tvout *tvout; + struct resource *res; + + DRM_INFO("%s\n", __func__); + + if (!node) + return -ENODEV; + + tvout = devm_kzalloc(dev, sizeof(*tvout), GFP_KERNEL); + if (!tvout) + return -ENOMEM; + + DRM_INFO("%s tvout %p\n", __func__, tvout); + + tvout->dev = dev; + DRM_INFO("%s tvout->dev %p\n", __func__, tvout->dev); + + /* get Memory ressources */ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "tvout-reg"); + if (!res) { + DRM_ERROR("Invalid glue resource\n"); + return -ENOMEM; + } + tvout->regs = devm_ioremap_nocache(dev, res->start, resource_size(res)); + if (IS_ERR(tvout->regs)) + return PTR_ERR(tvout->regs); + + /* get reset resources */ + tvout->reset = devm_reset_control_get(dev, "tvout"); + /* take tvout out of reset */ + if (!IS_ERR(tvout->reset)) + reset_control_deassert(tvout->reset); + + platform_set_drvdata(pdev, tvout); + + of_platform_populate(node, NULL, NULL, dev); + + component_master_add(&pdev->dev, &sti_tvout_master_ops); + + return component_add(&pdev->dev, &sti_tvout_ops); +} + +static int sti_tvout_remove(struct platform_device *pdev) +{ + component_master_del(&pdev->dev, &sti_tvout_master_ops); + component_del(&pdev->dev, &sti_tvout_ops); + return 0; +} + +static struct of_device_id tvout_of_match[] = { + { .compatible = "st,stih416-tvout", }, + { .compatible = "st,stih407-tvout", }, + { /* end node */ } +}; +MODULE_DEVICE_TABLE(of, tvout_of_match); + +struct platform_driver sti_tvout_driver = { + .driver = { + .name = "sti-tvout", + .owner = THIS_MODULE, + .of_match_table = tvout_of_match, + }, + .probe = sti_tvout_probe, + .remove = sti_tvout_remove, +}; + +module_platform_driver(sti_tvout_driver); diff --git a/drivers/gpu/drm/sti/sti_tvout.h b/drivers/gpu/drm/sti/sti_tvout.h new file mode 100644 index 0000000..81dceff --- /dev/null +++ b/drivers/gpu/drm/sti/sti_tvout.h @@ -0,0 +1,18 @@ +/* + * Copyright (C) STMicroelectronics SA 2014 + * Author: Vincent Abriou vincent.abriou@st.com for STMicroelectronics. + * License terms: GNU General Public License (GPL), version 2 + */ + +#ifndef _STI_TVOUT_H_ +#define _STI_TVOUT_H_ + +#include <drm/drmP.h> + +int sti_tvout_set_mode(struct drm_connector *c, + struct drm_display_mode *mode, bool main_path); +int sti_tvout_prepare(struct drm_connector *c); +int sti_tvout_commit(struct drm_connector *c, bool main_path); +void sti_tvout_disable(struct drm_connector *c); + +#endif