| /* |
| * Copyright (C) 2008 Maarten Maathuis. |
| * All Rights Reserved. |
| * |
| * 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 (including the |
| * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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. |
| * |
| */ |
| |
| #include "drmP.h" |
| #include "drm_crtc_helper.h" |
| |
| #define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO) |
| #include "nouveau_reg.h" |
| #include "nouveau_drv.h" |
| #include "nouveau_dma.h" |
| #include "nouveau_encoder.h" |
| #include "nouveau_connector.h" |
| #include "nouveau_crtc.h" |
| #include "nv50_display.h" |
| |
| static void |
| nv50_sor_disconnect(struct drm_encoder *encoder) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct drm_device *dev = encoder->dev; |
| struct nouveau_channel *evo = nv50_display(dev)->master; |
| int ret; |
| |
| if (!nv_encoder->crtc) |
| return; |
| nv50_crtc_blank(nouveau_crtc(nv_encoder->crtc), true); |
| |
| NV_DEBUG_KMS(dev, "Disconnecting SOR %d\n", nv_encoder->or); |
| |
| ret = RING_SPACE(evo, 4); |
| if (ret) { |
| NV_ERROR(dev, "no space while disconnecting SOR\n"); |
| return; |
| } |
| BEGIN_RING(evo, 0, NV50_EVO_SOR(nv_encoder->or, MODE_CTRL), 1); |
| OUT_RING (evo, 0); |
| BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); |
| OUT_RING (evo, 0); |
| |
| nouveau_hdmi_mode_set(encoder, NULL); |
| |
| nv_encoder->crtc = NULL; |
| nv_encoder->last_dpms = DRM_MODE_DPMS_OFF; |
| } |
| |
| static void |
| nv50_sor_dpms(struct drm_encoder *encoder, int mode) |
| { |
| struct drm_device *dev = encoder->dev; |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct drm_encoder *enc; |
| uint32_t val; |
| int or = nv_encoder->or; |
| |
| NV_DEBUG_KMS(dev, "or %d type %d mode %d\n", or, nv_encoder->dcb->type, mode); |
| |
| nv_encoder->last_dpms = mode; |
| list_for_each_entry(enc, &dev->mode_config.encoder_list, head) { |
| struct nouveau_encoder *nvenc = nouveau_encoder(enc); |
| |
| if (nvenc == nv_encoder || |
| (nvenc->dcb->type != OUTPUT_TMDS && |
| nvenc->dcb->type != OUTPUT_LVDS && |
| nvenc->dcb->type != OUTPUT_DP) || |
| nvenc->dcb->or != nv_encoder->dcb->or) |
| continue; |
| |
| if (nvenc->last_dpms == DRM_MODE_DPMS_ON) |
| return; |
| } |
| |
| /* wait for it to be done */ |
| if (!nv_wait(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or), |
| NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING, 0)) { |
| NV_ERROR(dev, "timeout: SOR_DPMS_CTRL_PENDING(%d) == 0\n", or); |
| NV_ERROR(dev, "SOR_DPMS_CTRL(%d) = 0x%08x\n", or, |
| nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or))); |
| } |
| |
| val = nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or)); |
| |
| if (mode == DRM_MODE_DPMS_ON) |
| val |= NV50_PDISPLAY_SOR_DPMS_CTRL_ON; |
| else |
| val &= ~NV50_PDISPLAY_SOR_DPMS_CTRL_ON; |
| |
| nv_wr32(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or), val | |
| NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING); |
| if (!nv_wait(dev, NV50_PDISPLAY_SOR_DPMS_STATE(or), |
| NV50_PDISPLAY_SOR_DPMS_STATE_WAIT, 0)) { |
| NV_ERROR(dev, "timeout: SOR_DPMS_STATE_WAIT(%d) == 0\n", or); |
| NV_ERROR(dev, "SOR_DPMS_STATE(%d) = 0x%08x\n", or, |
| nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_STATE(or))); |
| } |
| |
| if (nv_encoder->dcb->type == OUTPUT_DP) { |
| struct nouveau_i2c_chan *auxch; |
| |
| auxch = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); |
| if (!auxch) |
| return; |
| |
| if (mode == DRM_MODE_DPMS_ON) { |
| u8 status = DP_SET_POWER_D0; |
| nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1); |
| nouveau_dp_link_train(encoder, nv_encoder->dp.datarate); |
| } else { |
| u8 status = DP_SET_POWER_D3; |
| nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1); |
| } |
| } |
| } |
| |
| static void |
| nv50_sor_save(struct drm_encoder *encoder) |
| { |
| NV_ERROR(encoder->dev, "!!\n"); |
| } |
| |
| static void |
| nv50_sor_restore(struct drm_encoder *encoder) |
| { |
| NV_ERROR(encoder->dev, "!!\n"); |
| } |
| |
| static bool |
| nv50_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nouveau_connector *connector; |
| |
| NV_DEBUG_KMS(encoder->dev, "or %d\n", nv_encoder->or); |
| |
| connector = nouveau_encoder_connector_get(nv_encoder); |
| if (!connector) { |
| NV_ERROR(encoder->dev, "Encoder has no connector\n"); |
| return false; |
| } |
| |
| if (connector->scaling_mode != DRM_MODE_SCALE_NONE && |
| connector->native_mode) { |
| int id = adjusted_mode->base.id; |
| *adjusted_mode = *connector->native_mode; |
| adjusted_mode->base.id = id; |
| } |
| |
| return true; |
| } |
| |
| static void |
| nv50_sor_prepare(struct drm_encoder *encoder) |
| { |
| } |
| |
| static void |
| nv50_sor_commit(struct drm_encoder *encoder) |
| { |
| } |
| |
| static void |
| nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode) |
| { |
| struct nouveau_channel *evo = nv50_display(encoder->dev)->master; |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct drm_device *dev = encoder->dev; |
| struct nouveau_crtc *crtc = nouveau_crtc(encoder->crtc); |
| struct nouveau_connector *nv_connector; |
| uint32_t mode_ctl = 0; |
| int ret; |
| |
| NV_DEBUG_KMS(dev, "or %d type %d -> crtc %d\n", |
| nv_encoder->or, nv_encoder->dcb->type, crtc->index); |
| nv_encoder->crtc = encoder->crtc; |
| |
| switch (nv_encoder->dcb->type) { |
| case OUTPUT_TMDS: |
| if (nv_encoder->dcb->sorconf.link & 1) { |
| if (adjusted_mode->clock < 165000) |
| mode_ctl = 0x0100; |
| else |
| mode_ctl = 0x0500; |
| } else |
| mode_ctl = 0x0200; |
| |
| nouveau_hdmi_mode_set(encoder, adjusted_mode); |
| break; |
| case OUTPUT_DP: |
| nv_connector = nouveau_encoder_connector_get(nv_encoder); |
| if (nv_connector && nv_connector->base.display_info.bpc == 6) { |
| nv_encoder->dp.datarate = crtc->mode->clock * 18 / 8; |
| mode_ctl |= 0x00020000; |
| } else { |
| nv_encoder->dp.datarate = crtc->mode->clock * 24 / 8; |
| mode_ctl |= 0x00050000; |
| } |
| |
| if (nv_encoder->dcb->sorconf.link & 1) |
| mode_ctl |= 0x00000800; |
| else |
| mode_ctl |= 0x00000900; |
| break; |
| default: |
| break; |
| } |
| |
| if (crtc->index == 1) |
| mode_ctl |= NV50_EVO_SOR_MODE_CTRL_CRTC1; |
| else |
| mode_ctl |= NV50_EVO_SOR_MODE_CTRL_CRTC0; |
| |
| if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) |
| mode_ctl |= NV50_EVO_SOR_MODE_CTRL_NHSYNC; |
| |
| if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) |
| mode_ctl |= NV50_EVO_SOR_MODE_CTRL_NVSYNC; |
| |
| nv50_sor_dpms(encoder, DRM_MODE_DPMS_ON); |
| |
| ret = RING_SPACE(evo, 2); |
| if (ret) { |
| NV_ERROR(dev, "no space while connecting SOR\n"); |
| nv_encoder->crtc = NULL; |
| return; |
| } |
| BEGIN_RING(evo, 0, NV50_EVO_SOR(nv_encoder->or, MODE_CTRL), 1); |
| OUT_RING(evo, mode_ctl); |
| } |
| |
| static struct drm_crtc * |
| nv50_sor_crtc_get(struct drm_encoder *encoder) |
| { |
| return nouveau_encoder(encoder)->crtc; |
| } |
| |
| static const struct drm_encoder_helper_funcs nv50_sor_helper_funcs = { |
| .dpms = nv50_sor_dpms, |
| .save = nv50_sor_save, |
| .restore = nv50_sor_restore, |
| .mode_fixup = nv50_sor_mode_fixup, |
| .prepare = nv50_sor_prepare, |
| .commit = nv50_sor_commit, |
| .mode_set = nv50_sor_mode_set, |
| .get_crtc = nv50_sor_crtc_get, |
| .detect = NULL, |
| .disable = nv50_sor_disconnect |
| }; |
| |
| static void |
| nv50_sor_destroy(struct drm_encoder *encoder) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| |
| if (!encoder) |
| return; |
| |
| NV_DEBUG_KMS(encoder->dev, "\n"); |
| |
| drm_encoder_cleanup(encoder); |
| |
| kfree(nv_encoder); |
| } |
| |
| static const struct drm_encoder_funcs nv50_sor_encoder_funcs = { |
| .destroy = nv50_sor_destroy, |
| }; |
| |
| int |
| nv50_sor_create(struct drm_connector *connector, struct dcb_entry *entry) |
| { |
| struct nouveau_encoder *nv_encoder = NULL; |
| struct drm_device *dev = connector->dev; |
| struct drm_encoder *encoder; |
| int type; |
| |
| NV_DEBUG_KMS(dev, "\n"); |
| |
| switch (entry->type) { |
| case OUTPUT_TMDS: |
| case OUTPUT_DP: |
| type = DRM_MODE_ENCODER_TMDS; |
| break; |
| case OUTPUT_LVDS: |
| type = DRM_MODE_ENCODER_LVDS; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL); |
| if (!nv_encoder) |
| return -ENOMEM; |
| encoder = to_drm_encoder(nv_encoder); |
| |
| nv_encoder->dcb = entry; |
| nv_encoder->or = ffs(entry->or) - 1; |
| nv_encoder->last_dpms = DRM_MODE_DPMS_OFF; |
| |
| drm_encoder_init(dev, encoder, &nv50_sor_encoder_funcs, type); |
| drm_encoder_helper_add(encoder, &nv50_sor_helper_funcs); |
| |
| encoder->possible_crtcs = entry->heads; |
| encoder->possible_clones = 0; |
| |
| drm_mode_connector_attach_encoder(connector, encoder); |
| return 0; |
| } |