diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_dac.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_dac.c | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_dac.c b/drivers/gpu/drm/nouveau/nv50_dac.c deleted file mode 100644 index 6a30a1748573..000000000000 --- a/drivers/gpu/drm/nouveau/nv50_dac.c +++ /dev/null @@ -1,321 +0,0 @@ -/* - * 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 <drm/drmP.h> -#include <drm/drm_crtc_helper.h> - -#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO) -#include "nouveau_reg.h" -#include "nouveau_drm.h" -#include "nouveau_dma.h" -#include "nouveau_encoder.h" -#include "nouveau_connector.h" -#include "nouveau_crtc.h" -#include "nv50_display.h" - -#include <subdev/timer.h> - -static void -nv50_dac_disconnect(struct drm_encoder *encoder) -{ - struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - struct drm_device *dev = encoder->dev; - struct nouveau_drm *drm = nouveau_drm(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(drm, "Disconnecting DAC %d\n", nv_encoder->or); - - ret = RING_SPACE(evo, 4); - if (ret) { - NV_ERROR(drm, "no space while disconnecting DAC\n"); - return; - } - BEGIN_NV04(evo, 0, NV50_EVO_DAC(nv_encoder->or, MODE_CTRL), 1); - OUT_RING (evo, 0); - BEGIN_NV04(evo, 0, NV50_EVO_UPDATE, 1); - OUT_RING (evo, 0); - - nv_encoder->crtc = NULL; -} - -static enum drm_connector_status -nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) -{ - struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - struct nouveau_device *device = nouveau_dev(encoder->dev); - struct nouveau_drm *drm = nouveau_drm(encoder->dev); - enum drm_connector_status status = connector_status_disconnected; - uint32_t dpms_state, load_pattern, load_state; - int or = nv_encoder->or; - - nv_wr32(device, NV50_PDISPLAY_DAC_CLK_CTRL1(or), 0x00000001); - dpms_state = nv_rd32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or)); - - nv_wr32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or), - 0x00150000 | NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING); - if (!nv_wait(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or), - NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) { - NV_ERROR(drm, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or); - NV_ERROR(drm, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or, - nv_rd32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or))); - return status; - } - - /* Use bios provided value if possible. */ - if (drm->vbios.dactestval) { - load_pattern = drm->vbios.dactestval; - NV_DEBUG(drm, "Using bios provided load_pattern of %d\n", - load_pattern); - } else { - load_pattern = 340; - NV_DEBUG(drm, "Using default load_pattern of %d\n", - load_pattern); - } - - nv_wr32(device, NV50_PDISPLAY_DAC_LOAD_CTRL(or), - NV50_PDISPLAY_DAC_LOAD_CTRL_ACTIVE | load_pattern); - mdelay(45); /* give it some time to process */ - load_state = nv_rd32(device, NV50_PDISPLAY_DAC_LOAD_CTRL(or)); - - nv_wr32(device, NV50_PDISPLAY_DAC_LOAD_CTRL(or), 0); - nv_wr32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or), dpms_state | - NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING); - - if ((load_state & NV50_PDISPLAY_DAC_LOAD_CTRL_PRESENT) == - NV50_PDISPLAY_DAC_LOAD_CTRL_PRESENT) - status = connector_status_connected; - - if (status == connector_status_connected) - NV_DEBUG(drm, "Load was detected on output with or %d\n", or); - else - NV_DEBUG(drm, "Load was not detected on output with or %d\n", or); - - return status; -} - -static void -nv50_dac_dpms(struct drm_encoder *encoder, int mode) -{ - struct nouveau_device *device = nouveau_dev(encoder->dev); - struct nouveau_drm *drm = nouveau_drm(encoder->dev); - struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - uint32_t val; - int or = nv_encoder->or; - - NV_DEBUG(drm, "or %d mode %d\n", or, mode); - - /* wait for it to be done */ - if (!nv_wait(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or), - NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) { - NV_ERROR(drm, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or); - NV_ERROR(drm, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or, - nv_rd32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or))); - return; - } - - val = nv_rd32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or)) & ~0x7F; - - if (mode != DRM_MODE_DPMS_ON) - val |= NV50_PDISPLAY_DAC_DPMS_CTRL_BLANKED; - - switch (mode) { - case DRM_MODE_DPMS_STANDBY: - val |= NV50_PDISPLAY_DAC_DPMS_CTRL_HSYNC_OFF; - break; - case DRM_MODE_DPMS_SUSPEND: - val |= NV50_PDISPLAY_DAC_DPMS_CTRL_VSYNC_OFF; - break; - case DRM_MODE_DPMS_OFF: - val |= NV50_PDISPLAY_DAC_DPMS_CTRL_OFF; - val |= NV50_PDISPLAY_DAC_DPMS_CTRL_HSYNC_OFF; - val |= NV50_PDISPLAY_DAC_DPMS_CTRL_VSYNC_OFF; - break; - default: - break; - } - - nv_wr32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or), val | - NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING); -} - -static void -nv50_dac_save(struct drm_encoder *encoder) -{ - struct nouveau_drm *drm = nouveau_drm(encoder->dev); - NV_ERROR(drm, "!!\n"); -} - -static void -nv50_dac_restore(struct drm_encoder *encoder) -{ - struct nouveau_drm *drm = nouveau_drm(encoder->dev); - NV_ERROR(drm, "!!\n"); -} - -static bool -nv50_dac_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct nouveau_drm *drm = nouveau_drm(encoder->dev); - struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - struct nouveau_connector *connector; - - NV_DEBUG(drm, "or %d\n", nv_encoder->or); - - connector = nouveau_encoder_connector_get(nv_encoder); - if (!connector) { - NV_ERROR(drm, "Encoder has no connector\n"); - return false; - } - - if (connector->scaling_mode != DRM_MODE_SCALE_NONE && - connector->native_mode) - drm_mode_copy(adjusted_mode, connector->native_mode); - - return true; -} - -static void -nv50_dac_commit(struct drm_encoder *encoder) -{ -} - -static void -nv50_dac_mode_set(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_drm *drm = nouveau_drm(encoder->dev); - struct drm_device *dev = encoder->dev; - struct nouveau_channel *evo = nv50_display(dev)->master; - struct nouveau_crtc *crtc = nouveau_crtc(encoder->crtc); - uint32_t mode_ctl = 0, mode_ctl2 = 0; - int ret; - - NV_DEBUG(drm, "or %d type %d crtc %d\n", - nv_encoder->or, nv_encoder->dcb->type, crtc->index); - - nv50_dac_dpms(encoder, DRM_MODE_DPMS_ON); - - if (crtc->index == 1) - mode_ctl |= NV50_EVO_DAC_MODE_CTRL_CRTC1; - else - mode_ctl |= NV50_EVO_DAC_MODE_CTRL_CRTC0; - - /* Lacking a working tv-out, this is not a 100% sure. */ - if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) - mode_ctl |= 0x40; - else - if (nv_encoder->dcb->type == DCB_OUTPUT_TV) - mode_ctl |= 0x100; - - if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) - mode_ctl2 |= NV50_EVO_DAC_MODE_CTRL2_NHSYNC; - - if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) - mode_ctl2 |= NV50_EVO_DAC_MODE_CTRL2_NVSYNC; - - ret = RING_SPACE(evo, 3); - if (ret) { - NV_ERROR(drm, "no space while connecting DAC\n"); - return; - } - BEGIN_NV04(evo, 0, NV50_EVO_DAC(nv_encoder->or, MODE_CTRL), 2); - OUT_RING(evo, mode_ctl); - OUT_RING(evo, mode_ctl2); - - nv_encoder->crtc = encoder->crtc; -} - -static struct drm_crtc * -nv50_dac_crtc_get(struct drm_encoder *encoder) -{ - return nouveau_encoder(encoder)->crtc; -} - -static const struct drm_encoder_helper_funcs nv50_dac_helper_funcs = { - .dpms = nv50_dac_dpms, - .save = nv50_dac_save, - .restore = nv50_dac_restore, - .mode_fixup = nv50_dac_mode_fixup, - .prepare = nv50_dac_disconnect, - .commit = nv50_dac_commit, - .mode_set = nv50_dac_mode_set, - .get_crtc = nv50_dac_crtc_get, - .detect = nv50_dac_detect, - .disable = nv50_dac_disconnect -}; - -static void -nv50_dac_destroy(struct drm_encoder *encoder) -{ - struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - struct nouveau_drm *drm = nouveau_drm(encoder->dev); - - if (!encoder) - return; - - NV_DEBUG(drm, "\n"); - - drm_encoder_cleanup(encoder); - kfree(nv_encoder); -} - -static const struct drm_encoder_funcs nv50_dac_encoder_funcs = { - .destroy = nv50_dac_destroy, -}; - -int -nv50_dac_create(struct drm_connector *connector, struct dcb_output *entry) -{ - struct nouveau_encoder *nv_encoder; - struct drm_encoder *encoder; - - 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; - - drm_encoder_init(connector->dev, encoder, &nv50_dac_encoder_funcs, - DRM_MODE_ENCODER_DAC); - drm_encoder_helper_add(encoder, &nv50_dac_helper_funcs); - - encoder->possible_crtcs = entry->heads; - encoder->possible_clones = 0; - - drm_mode_connector_attach_encoder(connector, encoder); - return 0; -} - |