diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv04/disp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv04/disp.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c new file mode 100644 index 0000000..4908d3f --- /dev/null +++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c @@ -0,0 +1,211 @@ +/* + * Copyright 2009 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. + * + * Author: Ben Skeggs + */ + +#include <core/object.h> +#include <core/class.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> + +#include "nouveau_drm.h" +#include "nouveau_reg.h" +#include "hw.h" +#include "nouveau_encoder.h" +#include "nouveau_connector.h" + +#include <subdev/i2c.h> + +int +nv04_display_early_init(struct drm_device *dev) +{ + /* ensure vblank interrupts are off, they can't be enabled until + * drm_vblank has been initialised + */ + NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0); + if (nv_two_heads(dev)) + NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0); + + return 0; +} + +void +nv04_display_late_takedown(struct drm_device *dev) +{ +} + +int +nv04_display_create(struct drm_device *dev) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + struct nouveau_i2c *i2c = nouveau_i2c(drm->device); + struct dcb_table *dcb = &drm->vbios.dcb; + struct drm_connector *connector, *ct; + struct drm_encoder *encoder; + struct drm_crtc *crtc; + struct nv04_display *disp; + int i, ret; + + disp = kzalloc(sizeof(*disp), GFP_KERNEL); + if (!disp) + return -ENOMEM; + + nouveau_display(dev)->priv = disp; + nouveau_display(dev)->dtor = nv04_display_destroy; + nouveau_display(dev)->init = nv04_display_init; + nouveau_display(dev)->fini = nv04_display_fini; + + nouveau_hw_save_vga_fonts(dev, 1); + + ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE, 0xd1500000, + NV04_DISP_CLASS, NULL, 0, &disp->core); + if (ret) + return ret; + + nv04_crtc_create(dev, 0); + if (nv_two_heads(dev)) + nv04_crtc_create(dev, 1); + + for (i = 0; i < dcb->entries; i++) { + struct dcb_output *dcbent = &dcb->entry[i]; + + connector = nouveau_connector_create(dev, dcbent->connector); + if (IS_ERR(connector)) + continue; + + switch (dcbent->type) { + case DCB_OUTPUT_ANALOG: + ret = nv04_dac_create(connector, dcbent); + break; + case DCB_OUTPUT_LVDS: + case DCB_OUTPUT_TMDS: + ret = nv04_dfp_create(connector, dcbent); + break; + case DCB_OUTPUT_TV: + if (dcbent->location == DCB_LOC_ON_CHIP) + ret = nv17_tv_create(connector, dcbent); + else + ret = nv04_tv_create(connector, dcbent); + break; + default: + NV_WARN(drm, "DCB type %d not known\n", dcbent->type); + continue; + } + + if (ret) + continue; + } + + list_for_each_entry_safe(connector, ct, + &dev->mode_config.connector_list, head) { + if (!connector->encoder_ids[0]) { + NV_WARN(drm, "%s has no encoders, removing\n", + drm_get_connector_name(connector)); + connector->funcs->destroy(connector); + } + } + + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + nv_encoder->i2c = i2c->find(i2c, nv_encoder->dcb->i2c_index); + } + + /* Save previous state */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) + crtc->funcs->save(crtc); + + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + struct drm_encoder_helper_funcs *func = encoder->helper_private; + + func->save(encoder); + } + + return 0; +} + +void +nv04_display_destroy(struct drm_device *dev) +{ + struct nv04_display *disp = nv04_display(dev); + struct drm_encoder *encoder; + struct drm_crtc *crtc; + + /* Turn every CRTC off. */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct drm_mode_set modeset = { + .crtc = crtc, + }; + + drm_mode_set_config_internal(&modeset); + } + + /* Restore state */ + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + struct drm_encoder_helper_funcs *func = encoder->helper_private; + + func->restore(encoder); + } + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) + crtc->funcs->restore(crtc); + + nouveau_hw_save_vga_fonts(dev, 0); + + nouveau_display(dev)->priv = NULL; + kfree(disp); +} + +int +nv04_display_init(struct drm_device *dev) +{ + struct drm_encoder *encoder; + struct drm_crtc *crtc; + + /* meh.. modeset apparently doesn't setup all the regs and depends + * on pre-existing state, for now load the state of the card *before* + * nouveau was loaded, and then do a modeset. + * + * best thing to do probably is to make save/restore routines not + * save/restore "pre-load" state, but more general so we can save + * on suspend too. + */ + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + struct drm_encoder_helper_funcs *func = encoder->helper_private; + + func->restore(encoder); + } + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) + crtc->funcs->restore(crtc); + + return 0; +} + +void +nv04_display_fini(struct drm_device *dev) +{ + /* disable vblank interrupts */ + NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0); + if (nv_two_heads(dev)) + NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0); +} |