From df9871064e8b564d9ae2e56d561b64434fd004af Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sat, 26 Jul 2008 08:56:23 +1000 Subject: radeon: add initial atombios modesetting and GEM -> TTM translation layer. This is an initial import of the atom bios parser with modesetting support for r500 hw using atombios. It also includes a simple memory manager layer that translates a radeon GEM style interface onto TTM internally. So far this memory manager has only been used for pinned object allocation for the DDX to test modesetting. --- linux-core/radeon_connectors.c | 344 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 344 insertions(+) create mode 100644 linux-core/radeon_connectors.c (limited to 'linux-core/radeon_connectors.c') diff --git a/linux-core/radeon_connectors.c b/linux-core/radeon_connectors.c new file mode 100644 index 00000000..344b4f77 --- /dev/null +++ b/linux-core/radeon_connectors.c @@ -0,0 +1,344 @@ +/* + * 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 "drmP.h" +#include "drm_edid.h" +#include "drm_crtc_helper.h" +#include "radeon_drm.h" +#include "radeon_drv.h" + +static int radeon_lvds_get_modes(struct drm_connector *connector) +{ + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct drm_encoder *lvds_encoder; + int ret = 0; + struct edid *edid; + + avivo_i2c_do_lock(radeon_connector, 1); + edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); + avivo_i2c_do_lock(radeon_connector, 0); + if (edid) { + drm_mode_connector_update_edid_property(&radeon_connector->base, edid); + ret = drm_add_edid_modes(&radeon_connector->base, edid); + kfree(edid); + return 0; + } + +#if 0 + lvds_encoder = radeon_best_single_encoder(connector); + + if (!lvds_encoder) + return ret; + + radeon_encoder_update_panel_size(lvds_encoder, connector); +#endif + return ret; +} + +static int radeon_lvds_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + + return MODE_OK; +} + +static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector) +{ + return connector_status_connected; +} + + + +struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) +{ + int enc_id = connector->encoder_ids[0]; + struct drm_mode_object *obj; + struct drm_encoder *encoder; + + /* pick the encoder ids */ + if (enc_id) { + obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); + if (!obj) + return NULL; + encoder = obj_to_encoder(obj); + return encoder; + } + return NULL; +} + +static void radeon_connector_destroy(struct drm_connector *connector) +{ + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + + if (radeon_connector->ddc_bus) + radeon_i2c_destroy(radeon_connector->ddc_bus); + drm_sysfs_connector_remove(connector); + drm_connector_cleanup(connector); + kfree(connector); +} + +struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { + .get_modes = radeon_lvds_get_modes, + .mode_valid = radeon_lvds_mode_valid, + .best_encoder = radeon_best_single_encoder, +}; + +struct drm_connector_funcs radeon_lvds_connector_funcs = { + .detect = radeon_lvds_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = radeon_connector_destroy, +}; + +static int radeon_atom_vga_get_modes(struct drm_connector *connector) +{ + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + int ret; + + ret = radeon_ddc_get_modes(radeon_connector); + + return ret; +} + +static int radeon_atom_vga_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + + return MODE_OK; +} + +static enum drm_connector_status radeon_atom_vga_detect(struct drm_connector *connector) +{ + struct edid *edid; + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct drm_encoder *encoder; + struct drm_encoder_helper_funcs *encoder_funcs; + + avivo_i2c_do_lock(radeon_connector, 1); + edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); + avivo_i2c_do_lock(radeon_connector, 0); + if (edid) { + kfree(edid); + return connector_status_connected; + } + + /* if EDID fails to a load detect */ + encoder = radeon_best_single_encoder(connector); + if (!encoder) + return connector_status_disconnected; + + encoder_funcs = encoder->helper_private; + return encoder_funcs->detect(encoder, connector); +} + +struct drm_connector_helper_funcs radeon_atom_vga_connector_helper_funcs = { + .get_modes = radeon_atom_vga_get_modes, + .mode_valid = radeon_atom_vga_mode_valid, + .best_encoder = radeon_best_single_encoder, +}; + +struct drm_connector_funcs radeon_atom_vga_connector_funcs = { + .detect = radeon_atom_vga_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = radeon_connector_destroy, +}; + + +static enum drm_connector_status radeon_atom_dvi_detect(struct drm_connector *connector) +{ + struct edid *edid; + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct drm_encoder *encoder; + struct drm_encoder_helper_funcs *encoder_funcs; + struct drm_mode_object *obj; + int i; + enum drm_connector_status ret; + + avivo_i2c_do_lock(radeon_connector, 1); + edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); + avivo_i2c_do_lock(radeon_connector, 0); + if (edid) { + /* if the monitor is digital - set the bits */ + if (edid->digital) + radeon_connector->use_digital = 1; + else + radeon_connector->use_digital = 0; + + kfree(edid); + return connector_status_connected; + } + + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { + if (connector->encoder_ids[i] == 0) + break; + + obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); + if (!obj) + continue; + + encoder = obj_to_encoder(obj); + + encoder_funcs = encoder->helper_private; + if (encoder_funcs->detect) { + ret = encoder_funcs->detect(encoder, connector); + if (ret == connector_status_connected) { + radeon_connector->use_digital = 0; + return ret; + } + } + } + return connector_status_disconnected; +} + +/* okay need to be smart in here about which encoder to pick */ +struct drm_encoder *radeon_atom_dvi_encoder(struct drm_connector *connector) +{ + int enc_id = connector->encoder_ids[0]; + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct drm_mode_object *obj; + struct drm_encoder *encoder; + int i; + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { + if (connector->encoder_ids[i] == 0) + break; + + obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); + if (!obj) + continue; + + encoder = obj_to_encoder(obj); + + if (radeon_connector->use_digital) { + if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) + return encoder; + } else { + if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || + encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) + return encoder; + } + } + + /* see if we have a default encoder TODO */ + + /* then check use digitial */ + /* pick the first one */ + if (enc_id) { + obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); + if (!obj) + return NULL; + encoder = obj_to_encoder(obj); + return encoder; + } + return NULL; +} + +struct drm_connector_helper_funcs radeon_atom_dvi_connector_helper_funcs = { + .get_modes = radeon_atom_vga_get_modes, + .mode_valid = radeon_atom_vga_mode_valid, + .best_encoder = radeon_atom_dvi_encoder, +}; + +struct drm_connector_funcs radeon_atom_dvi_connector_funcs = { + .detect = radeon_atom_dvi_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = radeon_connector_destroy, +}; + + +static struct connector_funcs { + int conn_id; + struct drm_connector_funcs *connector_funcs; + struct drm_connector_helper_funcs *helper_funcs; + int conn_type; + char *i2c_id; +} connector_fns[] = { + { CONNECTOR_NONE, NULL, NULL, DRM_MODE_CONNECTOR_Unknown }, + { CONNECTOR_VGA, &radeon_atom_vga_connector_funcs, &radeon_atom_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA , "VGA"}, + { CONNECTOR_LVDS, &radeon_lvds_connector_funcs, &radeon_lvds_connector_helper_funcs, DRM_MODE_CONNECTOR_LVDS, "LVDS" }, + { CONNECTOR_DVI_A, &radeon_atom_vga_connector_funcs, &radeon_atom_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_DVIA, "DVI" }, + { CONNECTOR_DVI_I, &radeon_atom_dvi_connector_funcs, &radeon_atom_dvi_connector_helper_funcs, DRM_MODE_CONNECTOR_DVII, "DVI" }, + +#if 0 + { CONNECTOR_DVI_D, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, + + { CONNECTOR_STV, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, + { CONNECTOR_CTV, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, + { CONNECTOR_DIGITAL, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, + { CONNECTOR_SCART, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, + + { CONNECTOR_HDMI_TYPE_A, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, + { CONNECTOR_HDMI_TYPE_B, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, + { CONNECTOR_HDMI_TYPE_B, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, + { CONNECTOR_HDMI_TYPE_B, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, + { CONNECTOR_DIN, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, + { CONNECTOR_DISPLAY_PORT, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA }, +#endif +}; + +struct drm_connector *radeon_connector_add(struct drm_device *dev, int bios_index) +{ + struct radeon_connector *radeon_connector; + struct drm_radeon_private *dev_priv = dev->dev_private; + struct radeon_mode_info *mode_info = &dev_priv->mode_info; + struct drm_connector *connector; + int table_idx; + + for (table_idx = 0; table_idx < ARRAY_SIZE(connector_fns); table_idx++) { + if (connector_fns[table_idx].conn_id == mode_info->bios_connector[bios_index].connector_type) + break; + } + + if (table_idx == ARRAY_SIZE(connector_fns)) + return NULL; + + radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); + if (!radeon_connector) { + return NULL; + } + + connector = &radeon_connector->base; + + drm_connector_init(dev, &radeon_connector->base, connector_fns[table_idx].connector_funcs, + connector_fns[table_idx].conn_type); + + drm_connector_helper_add(&radeon_connector->base, connector_fns[table_idx].helper_funcs); + + if (mode_info->bios_connector[bios_index].ddc_i2c.valid) { + radeon_connector->ddc_bus = radeon_i2c_create(dev, &mode_info->bios_connector[bios_index].ddc_i2c, + connector_fns[table_idx].i2c_id); + if (!radeon_connector->ddc_bus) + goto failed; + } + + drm_sysfs_connector_add(connector); + return connector; + + +failed: + if (radeon_connector->ddc_bus) + radeon_i2c_destroy(radeon_connector->ddc_bus); + drm_connector_cleanup(connector); + kfree(connector); + return NULL; +} -- cgit v1.2.3