313 lines
8.7 KiB
C
313 lines
8.7 KiB
C
/*
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* Copyright 2009 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Author: Ben Skeggs
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*/
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#include <drm/drm_crtc_helper.h>
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#include "nouveau_drv.h"
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#include "nouveau_reg.h"
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#include "hw.h"
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#include "nouveau_encoder.h"
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#include "nouveau_connector.h"
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#include "nouveau_bo.h"
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#include "nouveau_gem.h"
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#include "nouveau_chan.h"
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#include <nvif/if0004.h>
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struct nouveau_connector *
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nv04_encoder_get_connector(struct nouveau_encoder *encoder)
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{
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struct drm_device *dev = to_drm_encoder(encoder)->dev;
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struct drm_connector *connector;
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struct drm_connector_list_iter conn_iter;
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struct nouveau_connector *nv_connector = NULL;
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drm_connector_list_iter_begin(dev, &conn_iter);
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drm_for_each_connector_iter(connector, &conn_iter) {
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if (connector->encoder == to_drm_encoder(encoder))
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nv_connector = nouveau_connector(connector);
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}
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drm_connector_list_iter_end(&conn_iter);
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return nv_connector;
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}
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static void
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nv04_display_fini(struct drm_device *dev, bool runtime, bool suspend)
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{
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nv04_display *disp = nv04_display(dev);
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struct drm_crtc *crtc;
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/* Disable flip completion events. */
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nvif_event_block(&disp->flip);
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/* Disable vblank interrupts. */
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NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
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if (nv_two_heads(dev))
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NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
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if (!runtime)
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cancel_work_sync(&drm->hpd_work);
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if (!suspend)
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return;
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/* Un-pin FB and cursors so they'll be evicted to system memory. */
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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struct drm_framebuffer *fb = crtc->primary->fb;
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struct nouveau_bo *nvbo;
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if (!fb || !fb->obj[0])
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continue;
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nvbo = nouveau_gem_object(fb->obj[0]);
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nouveau_bo_unpin(nvbo);
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}
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
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if (nv_crtc->cursor.nvbo) {
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if (nv_crtc->cursor.set_offset)
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nouveau_bo_unmap(nv_crtc->cursor.nvbo);
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nouveau_bo_unpin(nv_crtc->cursor.nvbo);
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}
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}
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}
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static int
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nv04_display_init(struct drm_device *dev, bool resume, bool runtime)
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{
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struct nv04_display *disp = nv04_display(dev);
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_encoder *encoder;
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struct drm_crtc *crtc;
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int ret;
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/* meh.. modeset apparently doesn't setup all the regs and depends
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* on pre-existing state, for now load the state of the card *before*
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* nouveau was loaded, and then do a modeset.
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*
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* best thing to do probably is to make save/restore routines not
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* save/restore "pre-load" state, but more general so we can save
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* on suspend too.
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*/
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
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nv_crtc->save(&nv_crtc->base);
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}
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list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
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encoder->enc_save(&encoder->base.base);
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/* Enable flip completion events. */
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nvif_event_allow(&disp->flip);
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if (!resume)
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return 0;
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/* Re-pin FB/cursors. */
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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struct drm_framebuffer *fb = crtc->primary->fb;
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struct nouveau_bo *nvbo;
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if (!fb || !fb->obj[0])
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continue;
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nvbo = nouveau_gem_object(fb->obj[0]);
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ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, true);
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if (ret)
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NV_ERROR(drm, "Could not pin framebuffer\n");
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}
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
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if (!nv_crtc->cursor.nvbo)
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continue;
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ret = nouveau_bo_pin(nv_crtc->cursor.nvbo,
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NOUVEAU_GEM_DOMAIN_VRAM, true);
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if (!ret && nv_crtc->cursor.set_offset)
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ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
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if (ret)
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NV_ERROR(drm, "Could not pin/map cursor.\n");
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}
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/* Force CLUT to get re-loaded during modeset. */
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
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nv_crtc->lut.depth = 0;
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}
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/* This should ensure we don't hit a locking problem when someone
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* wakes us up via a connector. We should never go into suspend
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* while the display is on anyways.
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*/
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if (runtime)
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return 0;
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/* Restore mode. */
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drm_helper_resume_force_mode(dev);
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
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if (!nv_crtc->cursor.nvbo)
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continue;
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if (nv_crtc->cursor.set_offset)
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nv_crtc->cursor.set_offset(nv_crtc,
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nv_crtc->cursor.nvbo->offset);
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nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
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nv_crtc->cursor_saved_y);
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}
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return 0;
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}
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static void
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nv04_display_destroy(struct drm_device *dev)
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{
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struct nv04_display *disp = nv04_display(dev);
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_encoder *encoder;
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struct nouveau_crtc *nv_crtc;
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/* Restore state */
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list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
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encoder->enc_restore(&encoder->base.base);
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list_for_each_entry(nv_crtc, &dev->mode_config.crtc_list, base.head)
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nv_crtc->restore(&nv_crtc->base);
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nouveau_hw_save_vga_fonts(dev, 0);
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nvif_event_dtor(&disp->flip);
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nouveau_display(dev)->priv = NULL;
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vfree(disp);
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nvif_object_unmap(&drm->client.device.object);
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}
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int
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nv04_display_create(struct drm_device *dev)
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{
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
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struct dcb_table *dcb = &drm->vbios.dcb;
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struct drm_connector *connector, *ct;
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struct drm_encoder *encoder;
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struct nouveau_encoder *nv_encoder;
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struct nouveau_crtc *crtc;
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struct nv04_display *disp;
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int i, ret;
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disp = vzalloc(sizeof(*disp));
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if (!disp)
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return -ENOMEM;
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disp->drm = drm;
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nvif_object_map(&drm->client.device.object, NULL, 0);
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nouveau_display(dev)->priv = disp;
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nouveau_display(dev)->dtor = nv04_display_destroy;
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nouveau_display(dev)->init = nv04_display_init;
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nouveau_display(dev)->fini = nv04_display_fini;
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/* Pre-nv50 doesn't support atomic, so don't expose the ioctls */
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dev->driver_features &= ~DRIVER_ATOMIC;
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/* Request page flip completion event. */
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if (drm->channel) {
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ret = nvif_event_ctor(&drm->channel->nvsw, "kmsFlip", 0, nv04_flip_complete,
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true, NULL, 0, &disp->flip);
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if (ret)
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return ret;
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}
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nouveau_hw_save_vga_fonts(dev, 1);
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nv04_crtc_create(dev, 0);
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if (nv_two_heads(dev))
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nv04_crtc_create(dev, 1);
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for (i = 0; i < dcb->entries; i++) {
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struct dcb_output *dcbent = &dcb->entry[i];
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connector = nouveau_connector_create(dev, dcbent);
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if (IS_ERR(connector))
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continue;
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switch (dcbent->type) {
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case DCB_OUTPUT_ANALOG:
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ret = nv04_dac_create(connector, dcbent);
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break;
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case DCB_OUTPUT_LVDS:
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case DCB_OUTPUT_TMDS:
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ret = nv04_dfp_create(connector, dcbent);
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break;
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case DCB_OUTPUT_TV:
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if (dcbent->location == DCB_LOC_ON_CHIP)
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ret = nv17_tv_create(connector, dcbent);
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else
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ret = nv04_tv_create(connector, dcbent);
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break;
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default:
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NV_WARN(drm, "DCB type %d not known\n", dcbent->type);
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continue;
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}
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if (ret)
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continue;
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}
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list_for_each_entry_safe(connector, ct,
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&dev->mode_config.connector_list, head) {
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if (!connector->possible_encoders) {
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NV_WARN(drm, "%s has no encoders, removing\n",
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connector->name);
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connector->funcs->destroy(connector);
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}
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}
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list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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struct nvkm_i2c_bus *bus =
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nvkm_i2c_bus_find(i2c, nv_encoder->dcb->i2c_index);
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nv_encoder->i2c = bus ? &bus->i2c : NULL;
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}
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/* Save previous state */
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
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crtc->save(&crtc->base);
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list_for_each_entry(nv_encoder, &dev->mode_config.encoder_list, base.base.head)
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nv_encoder->enc_save(&nv_encoder->base.base);
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nouveau_overlay_init(dev);
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return 0;
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}
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