2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
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:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
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.
23 * Authors: Dave Airlie
28 #include "drm_crtc_helper.h"
29 #include "radeon_drm.h"
30 #include "radeon_drv.h"
32 static int radeon_lvds_get_modes(struct drm_connector *connector)
34 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
35 struct drm_encoder *lvds_encoder;
39 radeon_i2c_do_lock(radeon_connector, 1);
40 edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
41 radeon_i2c_do_lock(radeon_connector, 0);
43 drm_mode_connector_update_edid_property(&radeon_connector->base, edid);
44 ret = drm_add_edid_modes(&radeon_connector->base, edid);
50 lvds_encoder = radeon_best_single_encoder(connector);
55 radeon_encoder_update_panel_size(lvds_encoder, connector);
60 static int radeon_lvds_mode_valid(struct drm_connector *connector,
61 struct drm_display_mode *mode)
67 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
69 return connector_status_connected;
74 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
76 int enc_id = connector->encoder_ids[0];
77 struct drm_mode_object *obj;
78 struct drm_encoder *encoder;
80 /* pick the encoder ids */
82 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
85 encoder = obj_to_encoder(obj);
91 static void radeon_connector_destroy(struct drm_connector *connector)
93 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
95 if (radeon_connector->ddc_bus)
96 radeon_i2c_destroy(radeon_connector->ddc_bus);
97 drm_sysfs_connector_remove(connector);
98 drm_connector_cleanup(connector);
102 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
103 .get_modes = radeon_lvds_get_modes,
104 .mode_valid = radeon_lvds_mode_valid,
105 .best_encoder = radeon_best_single_encoder,
108 struct drm_connector_funcs radeon_lvds_connector_funcs = {
109 .detect = radeon_lvds_detect,
110 .fill_modes = drm_helper_probe_single_connector_modes,
111 .destroy = radeon_connector_destroy,
114 static int radeon_vga_get_modes(struct drm_connector *connector)
116 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
119 ret = radeon_ddc_get_modes(radeon_connector);
124 static int radeon_vga_mode_valid(struct drm_connector *connector,
125 struct drm_display_mode *mode)
131 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
134 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
135 struct drm_encoder *encoder;
136 struct drm_encoder_helper_funcs *encoder_funcs;
138 radeon_i2c_do_lock(radeon_connector, 1);
139 edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
140 radeon_i2c_do_lock(radeon_connector, 0);
143 return connector_status_connected;
146 /* if EDID fails to a load detect */
147 encoder = radeon_best_single_encoder(connector);
149 return connector_status_disconnected;
151 encoder_funcs = encoder->helper_private;
152 return encoder_funcs->detect(encoder, connector);
155 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
156 .get_modes = radeon_vga_get_modes,
157 .mode_valid = radeon_vga_mode_valid,
158 .best_encoder = radeon_best_single_encoder,
161 struct drm_connector_funcs radeon_vga_connector_funcs = {
162 .detect = radeon_vga_detect,
163 .fill_modes = drm_helper_probe_single_connector_modes,
164 .destroy = radeon_connector_destroy,
168 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
171 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
172 struct drm_encoder *encoder;
173 struct drm_encoder_helper_funcs *encoder_funcs;
174 struct drm_mode_object *obj;
176 enum drm_connector_status ret;
178 radeon_i2c_do_lock(radeon_connector, 1);
179 edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
180 radeon_i2c_do_lock(radeon_connector, 0);
182 /* if the monitor is digital - set the bits */
184 radeon_connector->use_digital = 1;
186 radeon_connector->use_digital = 0;
189 return connector_status_connected;
192 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
193 if (connector->encoder_ids[i] == 0)
196 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
200 encoder = obj_to_encoder(obj);
202 encoder_funcs = encoder->helper_private;
203 if (encoder_funcs->detect) {
204 ret = encoder_funcs->detect(encoder, connector);
205 if (ret == connector_status_connected) {
206 radeon_connector->use_digital = 0;
211 return connector_status_disconnected;
214 /* okay need to be smart in here about which encoder to pick */
215 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
217 int enc_id = connector->encoder_ids[0];
218 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
219 struct drm_mode_object *obj;
220 struct drm_encoder *encoder;
222 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
223 if (connector->encoder_ids[i] == 0)
226 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
230 encoder = obj_to_encoder(obj);
232 if (radeon_connector->use_digital) {
233 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
236 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
237 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
242 /* see if we have a default encoder TODO */
244 /* then check use digitial */
245 /* pick the first one */
247 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
250 encoder = obj_to_encoder(obj);
256 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
257 .get_modes = radeon_vga_get_modes,
258 .mode_valid = radeon_vga_mode_valid,
259 .best_encoder = radeon_dvi_encoder,
262 struct drm_connector_funcs radeon_dvi_connector_funcs = {
263 .detect = radeon_dvi_detect,
264 .fill_modes = drm_helper_probe_single_connector_modes,
265 .destroy = radeon_connector_destroy,
269 static struct connector_funcs {
271 struct drm_connector_funcs *connector_funcs;
272 struct drm_connector_helper_funcs *helper_funcs;
275 } connector_fns[] = {
276 { CONNECTOR_NONE, NULL, NULL, DRM_MODE_CONNECTOR_Unknown },
277 { CONNECTOR_VGA, &radeon_vga_connector_funcs, &radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA , "VGA"},
278 { CONNECTOR_LVDS, &radeon_lvds_connector_funcs, &radeon_lvds_connector_helper_funcs, DRM_MODE_CONNECTOR_LVDS, "LVDS" },
279 { CONNECTOR_DVI_A, &radeon_vga_connector_funcs, &radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_DVIA, "DVI" },
280 { CONNECTOR_DVI_I, &radeon_dvi_connector_funcs, &radeon_dvi_connector_helper_funcs, DRM_MODE_CONNECTOR_DVII, "DVI" },
283 { CONNECTOR_DVI_D, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
285 { CONNECTOR_STV, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
286 { CONNECTOR_CTV, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
287 { CONNECTOR_DIGITAL, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
288 { CONNECTOR_SCART, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
290 { CONNECTOR_HDMI_TYPE_A, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
291 { CONNECTOR_HDMI_TYPE_B, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
292 { CONNECTOR_HDMI_TYPE_B, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
293 { CONNECTOR_HDMI_TYPE_B, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
294 { CONNECTOR_DIN, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
295 { CONNECTOR_DISPLAY_PORT, radeon_vga_connector_funcs, radeon_vga_connector_helper_funcs, DRM_MODE_CONNECTOR_VGA },
299 struct drm_connector *radeon_connector_add(struct drm_device *dev, int bios_index)
301 struct radeon_connector *radeon_connector;
302 struct drm_radeon_private *dev_priv = dev->dev_private;
303 struct radeon_mode_info *mode_info = &dev_priv->mode_info;
304 struct drm_connector *connector;
307 for (table_idx = 0; table_idx < ARRAY_SIZE(connector_fns); table_idx++) {
308 if (connector_fns[table_idx].conn_id == mode_info->bios_connector[bios_index].connector_type)
312 if (table_idx == ARRAY_SIZE(connector_fns))
315 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
316 if (!radeon_connector) {
320 connector = &radeon_connector->base;
322 drm_connector_init(dev, &radeon_connector->base, connector_fns[table_idx].connector_funcs,
323 connector_fns[table_idx].conn_type);
325 drm_connector_helper_add(&radeon_connector->base, connector_fns[table_idx].helper_funcs);
327 if (mode_info->bios_connector[bios_index].ddc_i2c.valid) {
328 radeon_connector->ddc_bus = radeon_i2c_create(dev, &mode_info->bios_connector[bios_index].ddc_i2c,
329 connector_fns[table_idx].i2c_id);
330 if (!radeon_connector->ddc_bus)
334 drm_sysfs_connector_add(connector);
339 if (radeon_connector->ddc_bus)
340 radeon_i2c_destroy(radeon_connector->ddc_bus);
341 drm_connector_cleanup(connector);