[linux-2.6-block.git] / drivers / gpu / drm / radeon / radeon_encoders.c

/*
 * Copyright 2007-8 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 */
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include <drm/radeon_drm.h>
#include "radeon.h"
#include "atom.h"

extern void
radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
			     struct drm_connector *drm_connector);
extern void
radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
			   struct drm_connector *drm_connector);


static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
{
	struct drm_device *dev = encoder->dev;
	struct radeon_device *rdev = dev->dev_private;
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	struct drm_encoder *clone_encoder;
	uint32_t index_mask = 0;
	int count;

	/* DIG routing gets problematic */
	if (rdev->family >= CHIP_R600)
		return index_mask;
	/* LVDS/TV are too wacky */
	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
		return index_mask;
	/* DVO requires 2x ppll clocks depending on tmds chip */
	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT)
		return index_mask;

	count = -1;
	list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) {
		struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder);
		count++;

		if (clone_encoder == encoder)
			continue;
		if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT))
			continue;
		if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT)
			continue;
		else
			index_mask |= (1 << count);
	}
	return index_mask;
}

void radeon_setup_encoder_clones(struct drm_device *dev)
{
	struct drm_encoder *encoder;

	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
		encoder->possible_clones = radeon_encoder_clones(encoder);
	}
}

uint32_t
radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac)
{
	struct radeon_device *rdev = dev->dev_private;
	uint32_t ret = 0;

	switch (supported_device) {
	case ATOM_DEVICE_CRT1_SUPPORT:
	case ATOM_DEVICE_TV1_SUPPORT:
	case ATOM_DEVICE_TV2_SUPPORT:
	case ATOM_DEVICE_CRT2_SUPPORT:
	case ATOM_DEVICE_CV_SUPPORT:
		switch (dac) {
		case 1: /* dac a */
			if ((rdev->family == CHIP_RS300) ||
			    (rdev->family == CHIP_RS400) ||
			    (rdev->family == CHIP_RS480))
				ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
			else if (ASIC_IS_AVIVO(rdev))
				ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1;
			else
				ret = ENCODER_INTERNAL_DAC1_ENUM_ID1;
			break;
		case 2: /* dac b */
			if (ASIC_IS_AVIVO(rdev))
				ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1;
			else {
				/*if (rdev->family == CHIP_R200)
				  ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
				  else*/
				ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
			}
			break;
		case 3: /* external dac */
			if (ASIC_IS_AVIVO(rdev))
				ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
			else
				ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
			break;
		}
		break;
	case ATOM_DEVICE_LCD1_SUPPORT:
		if (ASIC_IS_AVIVO(rdev))
			ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
		else
			ret = ENCODER_INTERNAL_LVDS_ENUM_ID1;
		break;
	case ATOM_DEVICE_DFP1_SUPPORT:
		if ((rdev->family == CHIP_RS300) ||
		    (rdev->family == CHIP_RS400) ||
		    (rdev->family == CHIP_RS480))
			ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
		else if (ASIC_IS_AVIVO(rdev))
			ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1;
		else
			ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1;
		break;
	case ATOM_DEVICE_LCD2_SUPPORT:
	case ATOM_DEVICE_DFP2_SUPPORT:
		if ((rdev->family == CHIP_RS600) ||
		    (rdev->family == CHIP_RS690) ||
		    (rdev->family == CHIP_RS740))
			ret = ENCODER_INTERNAL_DDI_ENUM_ID1;
		else if (ASIC_IS_AVIVO(rdev))
			ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
		else
			ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
		break;
	case ATOM_DEVICE_DFP3_SUPPORT:
		ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
		break;
	}

	return ret;
}

static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
					 struct drm_connector *connector)
{
	struct drm_device *dev = radeon_encoder->base.dev;
	struct radeon_device *rdev = dev->dev_private;
	bool use_bl = false;

	if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)))
		return;

	if (radeon_backlight == 0) {
		return;
	} else if (radeon_backlight == 1) {
		use_bl = true;
	} else if (radeon_backlight == -1) {
		/* Quirks */
		/* Amilo Xi 2550 only works with acpi bl */
		if ((rdev->pdev->device == 0x9583) &&
		    (rdev->pdev->subsystem_vendor == 0x1734) &&
		    (rdev->pdev->subsystem_device == 0x1107))
			use_bl = false;
/* Older PPC macs use on-GPU backlight controller */
#ifndef CONFIG_PPC_PMAC
		/* disable native backlight control on older asics */
		else if (rdev->family < CHIP_R600)
			use_bl = false;
#endif
		else
			use_bl = true;
	}

	if (use_bl) {
		if (rdev->is_atom_bios)
			radeon_atom_backlight_init(radeon_encoder, connector);
		else
			radeon_legacy_backlight_init(radeon_encoder, connector);
	}
}

void
radeon_link_encoder_connector(struct drm_device *dev)
{
	struct drm_connector *connector;
	struct radeon_connector *radeon_connector;
	struct drm_encoder *encoder;
	struct radeon_encoder *radeon_encoder;

	/* walk the list and link encoders to connectors */
	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		radeon_connector = to_radeon_connector(connector);
		list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
			radeon_encoder = to_radeon_encoder(encoder);
			if (radeon_encoder->devices & radeon_connector->devices) {
				drm_mode_connector_attach_encoder(connector, encoder);
				if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
					radeon_encoder_add_backlight(radeon_encoder, connector);
			}
		}
	}
}

void radeon_encoder_set_active_device(struct drm_encoder *encoder)
{
	struct drm_device *dev = encoder->dev;
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	struct drm_connector *connector;

	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		if (connector->encoder == encoder) {
			struct radeon_connector *radeon_connector = to_radeon_connector(connector);
			radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices;
			DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n",
				  radeon_encoder->active_device, radeon_encoder->devices,
				  radeon_connector->devices, encoder->encoder_type);
		}
	}
}

struct drm_connector *
radeon_get_connector_for_encoder(struct drm_encoder *encoder)
{
	struct drm_device *dev = encoder->dev;
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	struct drm_connector *connector;
	struct radeon_connector *radeon_connector;

	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		radeon_connector = to_radeon_connector(connector);
		if (radeon_encoder->is_mst_encoder) {
			struct radeon_encoder_mst *mst_enc;

			if (!radeon_connector->is_mst_connector)
				continue;

			mst_enc = radeon_encoder->enc_priv;
			if (mst_enc->connector == radeon_connector->mst_port)
				return connector;
		} else if (radeon_encoder->active_device & radeon_connector->devices)
			return connector;
	}
	return NULL;
}

struct drm_connector *
radeon_get_connector_for_encoder_init(struct drm_encoder *encoder)
{
	struct drm_device *dev = encoder->dev;
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	struct drm_connector *connector;
	struct radeon_connector *radeon_connector;

	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		radeon_connector = to_radeon_connector(connector);
		if (radeon_encoder->devices & radeon_connector->devices)
			return connector;
	}
	return NULL;
}

struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder)
{
	struct drm_device *dev = encoder->dev;
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	struct drm_encoder *other_encoder;
	struct radeon_encoder *other_radeon_encoder;

	if (radeon_encoder->is_ext_encoder)
		return NULL;

	list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) {
		if (other_encoder == encoder)
			continue;
		other_radeon_encoder = to_radeon_encoder(other_encoder);
		if (other_radeon_encoder->is_ext_encoder &&
		    (radeon_encoder->devices & other_radeon_encoder->devices))
			return other_encoder;
	}
	return NULL;
}

u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
{
	struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder);

	if (other_encoder) {
		struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder);

		switch (radeon_encoder->encoder_id) {
		case ENCODER_OBJECT_ID_TRAVIS:
		case ENCODER_OBJECT_ID_NUTMEG:
			return radeon_encoder->encoder_id;
		default:
			return ENCODER_OBJECT_ID_NONE;
		}
	}
	return ENCODER_OBJECT_ID_NONE;
}

void radeon_panel_mode_fixup(struct drm_encoder *encoder,
			     struct drm_display_mode *adjusted_mode)
{
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	struct drm_device *dev = encoder->dev;
	struct radeon_device *rdev = dev->dev_private;
	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
	unsigned hblank = native_mode->htotal - native_mode->hdisplay;
	unsigned vblank = native_mode->vtotal - native_mode->vdisplay;
	unsigned hover = native_mode->hsync_start - native_mode->hdisplay;
	unsigned vover = native_mode->vsync_start - native_mode->vdisplay;
	unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start;
	unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start;

	adjusted_mode->clock = native_mode->clock;
	adjusted_mode->flags = native_mode->flags;

	if (ASIC_IS_AVIVO(rdev)) {
		adjusted_mode->hdisplay = native_mode->hdisplay;
		adjusted_mode->vdisplay = native_mode->vdisplay;
	}

	adjusted_mode->htotal = native_mode->hdisplay + hblank;
	adjusted_mode->hsync_start = native_mode->hdisplay + hover;
	adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width;

	adjusted_mode->vtotal = native_mode->vdisplay + vblank;
	adjusted_mode->vsync_start = native_mode->vdisplay + vover;
	adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width;

	drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);

	if (ASIC_IS_AVIVO(rdev)) {
		adjusted_mode->crtc_hdisplay = native_mode->hdisplay;
		adjusted_mode->crtc_vdisplay = native_mode->vdisplay;
	}

	adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank;
	adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover;
	adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width;

	adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank;
	adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover;
	adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width;

}

bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
				    u32 pixel_clock)
{
	struct drm_device *dev = encoder->dev;
	struct radeon_device *rdev = dev->dev_private;
	struct drm_connector *connector;
	struct radeon_connector *radeon_connector;
	struct radeon_connector_atom_dig *dig_connector;

	connector = radeon_get_connector_for_encoder(encoder);
	/* if we don't have an active device yet, just use one of
	 * the connectors tied to the encoder.
	 */
	if (!connector)
		connector = radeon_get_connector_for_encoder_init(encoder);
	radeon_connector = to_radeon_connector(connector);

	switch (connector->connector_type) {
	case DRM_MODE_CONNECTOR_DVII:
	case DRM_MODE_CONNECTOR_HDMIB:
		if (radeon_connector->use_digital) {
			/* HDMI 1.3 supports up to 340 Mhz over single link */
			if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
				if (pixel_clock > 340000)
					return true;
				else
					return false;
			} else {
				if (pixel_clock > 165000)
					return true;
				else
					return false;
			}
		} else
			return false;
	case DRM_MODE_CONNECTOR_DVID:
	case DRM_MODE_CONNECTOR_HDMIA:
	case DRM_MODE_CONNECTOR_DisplayPort:
		if (radeon_connector->is_mst_connector)
			return false;

		dig_connector = radeon_connector->con_priv;
		if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
		    (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
			return false;
		else {
			/* HDMI 1.3 supports up to 340 Mhz over single link */
			if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
				if (pixel_clock > 340000)
					return true;
				else
					return false;
			} else {
				if (pixel_clock > 165000)
					return true;
				else
					return false;
			}
		}
	default:
		return false;
	}
}

bool radeon_encoder_is_digital(struct drm_encoder *encoder)
{
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	switch (radeon_encoder->encoder_id) {
	case ENCODER_OBJECT_ID_INTERNAL_LVDS:
	case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
	case ENCODER_OBJECT_ID_INTERNAL_DVO1:
	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
	case ENCODER_OBJECT_ID_INTERNAL_DDI:
	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
		return true;
	default:
		return false;
	}
}
Commit	Line	Data
771fe6b9 JG	1	/*
	2	* Copyright 2007-8 Advanced Micro Devices, Inc.
	3	* Copyright 2008 Red Hat Inc.
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining a
	6	* copy of this software and associated documentation files (the "Software"),
	7	* to deal in the Software without restriction, including without limitation
	8	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	9	* and/or sell copies of the Software, and to permit persons to whom the
	10	* Software is furnished to do so, subject to the following conditions:
	11	*
	12	* The above copyright notice and this permission notice shall be included in
	13	* all copies or substantial portions of the Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	18	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	19	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	20	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	21	* OTHER DEALINGS IN THE SOFTWARE.
	22	*
	23	* Authors: Dave Airlie
	24	* Alex Deucher
	25	*/
760285e7 DH	26	#include <drm/drmP.h>
	27	#include <drm/drm_crtc_helper.h>
	28	#include <drm/radeon_drm.h>
771fe6b9 JG	29	#include "radeon.h"
	30	#include "atom.h"
	31
f3728734 AD	32	extern void
	33	radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
	34	struct drm_connector *drm_connector);
	35	extern void
	36	radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
	37	struct drm_connector *drm_connector);
	38
	39
1f3b6a45 DA	40	static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
	41	{
	42	struct drm_device *dev = encoder->dev;
	43	struct radeon_device *rdev = dev->dev_private;
	44	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	45	struct drm_encoder *clone_encoder;
	46	uint32_t index_mask = 0;
	47	int count;
	48
	49	/* DIG routing gets problematic */
	50	if (rdev->family >= CHIP_R600)
	51	return index_mask;
	52	/* LVDS/TV are too wacky */
	53	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
	54	return index_mask;
	55	/* DVO requires 2x ppll clocks depending on tmds chip */
	56	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT)
	57	return index_mask;
bcc1c2a1	58
1f3b6a45 DA	59	count = -1;
	60	list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) {
	61	struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder);
	62	count++;
	63
	64	if (clone_encoder == encoder)
	65	continue;
	66	if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT))
	67	continue;
	68	if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT)
	69	continue;
	70	else
	71	index_mask \|= (1 << count);
	72	}
	73	return index_mask;
	74	}
	75
	76	void radeon_setup_encoder_clones(struct drm_device *dev)
	77	{
	78	struct drm_encoder *encoder;
	79
	80	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
	81	encoder->possible_clones = radeon_encoder_clones(encoder);
	82	}
	83	}
	84
771fe6b9	85	uint32_t
5137ee94	86	radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac)
771fe6b9 JG	87	{
	88	struct radeon_device *rdev = dev->dev_private;
	89	uint32_t ret = 0;
	90
	91	switch (supported_device) {
	92	case ATOM_DEVICE_CRT1_SUPPORT:
	93	case ATOM_DEVICE_TV1_SUPPORT:
	94	case ATOM_DEVICE_TV2_SUPPORT:
	95	case ATOM_DEVICE_CRT2_SUPPORT:
	96	case ATOM_DEVICE_CV_SUPPORT:
	97	switch (dac) {
	98	case 1: /* dac a */
	99	if ((rdev->family == CHIP_RS300) \|\|
	100	(rdev->family == CHIP_RS400) \|\|
	101	(rdev->family == CHIP_RS480))
5137ee94	102	ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
771fe6b9	103	else if (ASIC_IS_AVIVO(rdev))
5137ee94	104	ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1;
771fe6b9	105	else
5137ee94	106	ret = ENCODER_INTERNAL_DAC1_ENUM_ID1;
771fe6b9 JG	107	break;
	108	case 2: /* dac b */
	109	if (ASIC_IS_AVIVO(rdev))
5137ee94	110	ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1;
771fe6b9 JG	111	else {
771fe6b9 JG	112	/*if (rdev->family == CHIP_R200)
5137ee94	113	ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
771fe6b9	114	else*/
5137ee94	115	ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
771fe6b9 JG	116	}
	117	break;
	118	case 3: /* external dac */
	119	if (ASIC_IS_AVIVO(rdev))
5137ee94	120	ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
771fe6b9	121	else
5137ee94	122	ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
771fe6b9 JG	123	break;
	124	}
	125	break;
	126	case ATOM_DEVICE_LCD1_SUPPORT:
	127	if (ASIC_IS_AVIVO(rdev))
5137ee94	128	ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
771fe6b9	129	else
5137ee94	130	ret = ENCODER_INTERNAL_LVDS_ENUM_ID1;
771fe6b9 JG	131	break;
	132	case ATOM_DEVICE_DFP1_SUPPORT:
	133	if ((rdev->family == CHIP_RS300) \|\|
	134	(rdev->family == CHIP_RS400) \|\|
	135	(rdev->family == CHIP_RS480))
5137ee94	136	ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
771fe6b9	137	else if (ASIC_IS_AVIVO(rdev))
5137ee94	138	ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1;
771fe6b9	139	else
5137ee94	140	ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1;
771fe6b9 JG	141	break;
	142	case ATOM_DEVICE_LCD2_SUPPORT:
	143	case ATOM_DEVICE_DFP2_SUPPORT:
	144	if ((rdev->family == CHIP_RS600) \|\|
	145	(rdev->family == CHIP_RS690) \|\|
	146	(rdev->family == CHIP_RS740))
5137ee94	147	ret = ENCODER_INTERNAL_DDI_ENUM_ID1;
771fe6b9	148	else if (ASIC_IS_AVIVO(rdev))
5137ee94	149	ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
771fe6b9	150	else
5137ee94	151	ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
771fe6b9 JG	152	break;
771fe6b9 JG	153	case ATOM_DEVICE_DFP3_SUPPORT:
5137ee94	154	ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
771fe6b9 JG	155	break;
	156	}
	157
	158	return ret;
	159	}
	160
bc13018b AD	161	static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
	162	struct drm_connector *connector)
	163	{
	164	struct drm_device *dev = radeon_encoder->base.dev;
	165	struct radeon_device *rdev = dev->dev_private;
	166	bool use_bl = false;
	167
	168	if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)))
	169	return;
	170
	171	if (radeon_backlight == 0) {
	172	return;
	173	} else if (radeon_backlight == 1) {
	174	use_bl = true;
	175	} else if (radeon_backlight == -1) {
8aff6ad5 AD	176	/* Quirks */
	177	/* Amilo Xi 2550 only works with acpi bl */
	178	if ((rdev->pdev->device == 0x9583) &&
	179	(rdev->pdev->subsystem_vendor == 0x1734) &&
	180	(rdev->pdev->subsystem_device == 0x1107))
	181	use_bl = false;
7a26f9ad NH	182	/* Older PPC macs use on-GPU backlight controller */
7a26f9ad NH	183	#ifndef CONFIG_PPC_PMAC
b7bc596e AD	184	/* disable native backlight control on older asics */
	185	else if (rdev->family < CHIP_R600)
	186	use_bl = false;
7a26f9ad	187	#endif
8aff6ad5 AD	188	else
8aff6ad5 AD	189	use_bl = true;
bc13018b AD	190	}
	191
	192	if (use_bl) {
	193	if (rdev->is_atom_bios)
	194	radeon_atom_backlight_init(radeon_encoder, connector);
	195	else
	196	radeon_legacy_backlight_init(radeon_encoder, connector);
bc13018b AD	197	}
	198	}
	199
771fe6b9 JG	200	void
	201	radeon_link_encoder_connector(struct drm_device *dev)
	202	{
	203	struct drm_connector *connector;
	204	struct radeon_connector *radeon_connector;
	205	struct drm_encoder *encoder;
	206	struct radeon_encoder *radeon_encoder;
	207
	208	/* walk the list and link encoders to connectors */
	209	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
	210	radeon_connector = to_radeon_connector(connector);
	211	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
	212	radeon_encoder = to_radeon_encoder(encoder);
f3728734	213	if (radeon_encoder->devices & radeon_connector->devices) {
771fe6b9	214	drm_mode_connector_attach_encoder(connector, encoder);
bc13018b AD	215	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
bc13018b AD	216	radeon_encoder_add_backlight(radeon_encoder, connector);
f3728734	217	}
771fe6b9 JG	218	}
	219	}
	220	}
	221
4ce001ab DA	222	void radeon_encoder_set_active_device(struct drm_encoder *encoder)
	223	{
	224	struct drm_device *dev = encoder->dev;
	225	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	226	struct drm_connector *connector;
	227
	228	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
	229	if (connector->encoder == encoder) {
	230	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	231	radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices;
d9fdaafb	232	DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n",
f641e51e DA	233	radeon_encoder->active_device, radeon_encoder->devices,
f641e51e DA	234	radeon_connector->devices, encoder->encoder_type);
4ce001ab DA	235	}
	236	}
	237	}
	238
5b1714d3	239	struct drm_connector *
771fe6b9 JG	240	radeon_get_connector_for_encoder(struct drm_encoder *encoder)
	241	{
	242	struct drm_device *dev = encoder->dev;
	243	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	244	struct drm_connector *connector;
	245	struct radeon_connector *radeon_connector;
	246
	247	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
	248	radeon_connector = to_radeon_connector(connector);
9843ead0 DA	249	if (radeon_encoder->is_mst_encoder) {
	250	struct radeon_encoder_mst *mst_enc;
	251
	252	if (!radeon_connector->is_mst_connector)
	253	continue;
	254
	255	mst_enc = radeon_encoder->enc_priv;
	256	if (mst_enc->connector == radeon_connector->mst_port)
	257	return connector;
	258	} else if (radeon_encoder->active_device & radeon_connector->devices)
771fe6b9 JG	259	return connector;
	260	}
	261	return NULL;
	262	}
	263
9aa59993 AD	264	struct drm_connector *
	265	radeon_get_connector_for_encoder_init(struct drm_encoder *encoder)
	266	{
	267	struct drm_device *dev = encoder->dev;
	268	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	269	struct drm_connector *connector;
	270	struct radeon_connector *radeon_connector;
	271
	272	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
	273	radeon_connector = to_radeon_connector(connector);
	274	if (radeon_encoder->devices & radeon_connector->devices)
	275	return connector;
	276	}
	277	return NULL;
	278	}
	279
3f03ced8	280	struct drm_encoder radeon_get_external_encoder(struct drm_encoder encoder)
3e4b9982 AD	281	{
	282	struct drm_device *dev = encoder->dev;
	283	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	284	struct drm_encoder *other_encoder;
	285	struct radeon_encoder *other_radeon_encoder;
	286
	287	if (radeon_encoder->is_ext_encoder)
	288	return NULL;
	289
	290	list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) {
	291	if (other_encoder == encoder)
	292	continue;
	293	other_radeon_encoder = to_radeon_encoder(other_encoder);
	294	if (other_radeon_encoder->is_ext_encoder &&
	295	(radeon_encoder->devices & other_radeon_encoder->devices))
	296	return other_encoder;
	297	}
	298	return NULL;
	299	}
	300
1d33e1fc	301	u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
d7fa8bb3	302	{
3f03ced8	303	struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder);
d7fa8bb3 AD	304
	305	if (other_encoder) {
	306	struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder);
	307
	308	switch (radeon_encoder->encoder_id) {
	309	case ENCODER_OBJECT_ID_TRAVIS:
	310	case ENCODER_OBJECT_ID_NUTMEG:
dc87cd5c	311	return radeon_encoder->encoder_id;
d7fa8bb3	312	default:
dc87cd5c	313	return ENCODER_OBJECT_ID_NONE;
d7fa8bb3 AD	314	}
d7fa8bb3 AD	315	}
dc87cd5c	316	return ENCODER_OBJECT_ID_NONE;
d7fa8bb3 AD	317	}
d7fa8bb3 AD	318
3515387b AD	319	void radeon_panel_mode_fixup(struct drm_encoder *encoder,
	320	struct drm_display_mode *adjusted_mode)
	321	{
	322	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	323	struct drm_device *dev = encoder->dev;
	324	struct radeon_device *rdev = dev->dev_private;
	325	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
	326	unsigned hblank = native_mode->htotal - native_mode->hdisplay;
	327	unsigned vblank = native_mode->vtotal - native_mode->vdisplay;
	328	unsigned hover = native_mode->hsync_start - native_mode->hdisplay;
	329	unsigned vover = native_mode->vsync_start - native_mode->vdisplay;
	330	unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start;
	331	unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start;
	332
	333	adjusted_mode->clock = native_mode->clock;
	334	adjusted_mode->flags = native_mode->flags;
	335
	336	if (ASIC_IS_AVIVO(rdev)) {
	337	adjusted_mode->hdisplay = native_mode->hdisplay;
	338	adjusted_mode->vdisplay = native_mode->vdisplay;
	339	}
	340
	341	adjusted_mode->htotal = native_mode->hdisplay + hblank;
	342	adjusted_mode->hsync_start = native_mode->hdisplay + hover;
	343	adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width;
	344
	345	adjusted_mode->vtotal = native_mode->vdisplay + vblank;
	346	adjusted_mode->vsync_start = native_mode->vdisplay + vover;
	347	adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width;
	348
	349	drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
	350
	351	if (ASIC_IS_AVIVO(rdev)) {
	352	adjusted_mode->crtc_hdisplay = native_mode->hdisplay;
	353	adjusted_mode->crtc_vdisplay = native_mode->vdisplay;
	354	}
	355
	356	adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank;
	357	adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover;
	358	adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width;
	359
	360	adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank;
	361	adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover;
	362	adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width;
	363
	364	}
	365
9aa59993 AD	366	bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
	367	u32 pixel_clock)
	368	{
1b2681ba AD	369	struct drm_device *dev = encoder->dev;
1b2681ba AD	370	struct radeon_device *rdev = dev->dev_private;
9aa59993 AD	371	struct drm_connector *connector;
	372	struct radeon_connector *radeon_connector;
	373	struct radeon_connector_atom_dig *dig_connector;
	374
	375	connector = radeon_get_connector_for_encoder(encoder);
	376	/* if we don't have an active device yet, just use one of
	377	* the connectors tied to the encoder.
	378	*/
	379	if (!connector)
	380	connector = radeon_get_connector_for_encoder_init(encoder);
	381	radeon_connector = to_radeon_connector(connector);
	382
	383	switch (connector->connector_type) {
	384	case DRM_MODE_CONNECTOR_DVII:
	385	case DRM_MODE_CONNECTOR_HDMIB:
	386	if (radeon_connector->use_digital) {
	387	/* HDMI 1.3 supports up to 340 Mhz over single link */
377bd8a9	388	if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
9aa59993 AD	389	if (pixel_clock > 340000)
	390	return true;
	391	else
	392	return false;
	393	} else {
	394	if (pixel_clock > 165000)
	395	return true;
	396	else
	397	return false;
	398	}
	399	} else
	400	return false;
	401	case DRM_MODE_CONNECTOR_DVID:
	402	case DRM_MODE_CONNECTOR_HDMIA:
	403	case DRM_MODE_CONNECTOR_DisplayPort:
9843ead0 DA	404	if (radeon_connector->is_mst_connector)
	405	return false;
	406
9aa59993 AD	407	dig_connector = radeon_connector->con_priv;
	408	if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) \|\|
	409	(dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
	410	return false;
	411	else {
	412	/* HDMI 1.3 supports up to 340 Mhz over single link */
377bd8a9	413	if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
9aa59993 AD	414	if (pixel_clock > 340000)
	415	return true;
	416	else
	417	return false;
	418	} else {
	419	if (pixel_clock > 165000)
	420	return true;
	421	else
	422	return false;
	423	}
	424	}
	425	default:
	426	return false;
	427	}
	428	}
	429
d740a933 AD	430	bool radeon_encoder_is_digital(struct drm_encoder *encoder)
	431	{
	432	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	433	switch (radeon_encoder->encoder_id) {
	434	case ENCODER_OBJECT_ID_INTERNAL_LVDS:
	435	case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
	436	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
	437	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
	438	case ENCODER_OBJECT_ID_INTERNAL_DVO1:
	439	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
	440	case ENCODER_OBJECT_ID_INTERNAL_DDI:
	441	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
	442	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
	443	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
	444	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
	445	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
	446	return true;
	447	default:
	448	return false;
	449	}
	450	}