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path: root/drivers/gpu/drm/nouveau/nv50_sor.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_sor.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_sor.c530
1 files changed, 0 insertions, 530 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
deleted file mode 100644
index b562b59e1326..000000000000
--- a/drivers/gpu/drm/nouveau/nv50_sor.c
+++ /dev/null
@@ -1,530 +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 u32
-nv50_sor_dp_lane_map(struct drm_device *dev, struct dcb_output *dcb, u8 lane)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
- static const u8 nvaf[] = { 24, 16, 8, 0 }; /* thanks, apple.. */
- static const u8 nv50[] = { 16, 8, 0, 24 };
- if (nv_device(drm->device)->chipset == 0xaf)
- return nvaf[lane];
- return nv50[lane];
-}
-
-static void
-nv50_sor_dp_train_set(struct drm_device *dev, struct dcb_output *dcb, u8 pattern)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1);
- nv_mask(device, NV50_SOR_DP_CTRL(or, link), 0x0f000000, pattern << 24);
-}
-
-static void
-nv50_sor_dp_train_adj(struct drm_device *dev, struct dcb_output *dcb,
- u8 lane, u8 swing, u8 preem)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- struct nouveau_drm *drm = nouveau_drm(dev);
- u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1);
- u32 shift = nv50_sor_dp_lane_map(dev, dcb, lane);
- u32 mask = 0x000000ff << shift;
- u8 *table, *entry, *config;
-
- table = nouveau_dp_bios_data(dev, dcb, &entry);
- if (!table || (table[0] != 0x20 && table[0] != 0x21)) {
- NV_ERROR(drm, "PDISP: unsupported DP table for chipset\n");
- return;
- }
-
- config = entry + table[4];
- while (config[0] != swing || config[1] != preem) {
- config += table[5];
- if (config >= entry + table[4] + entry[4] * table[5])
- return;
- }
-
- nv_mask(device, NV50_SOR_DP_UNK118(or, link), mask, config[2] << shift);
- nv_mask(device, NV50_SOR_DP_UNK120(or, link), mask, config[3] << shift);
- nv_mask(device, NV50_SOR_DP_UNK130(or, link), 0x0000ff00, config[4] << 8);
-}
-
-static void
-nv50_sor_dp_link_set(struct drm_device *dev, struct dcb_output *dcb, int crtc,
- int link_nr, u32 link_bw, bool enhframe)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- struct nouveau_drm *drm = nouveau_drm(dev);
- u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1);
- u32 dpctrl = nv_rd32(device, NV50_SOR_DP_CTRL(or, link)) & ~0x001f4000;
- u32 clksor = nv_rd32(device, 0x614300 + (or * 0x800)) & ~0x000c0000;
- u8 *table, *entry, mask;
- int i;
-
- table = nouveau_dp_bios_data(dev, dcb, &entry);
- if (!table || (table[0] != 0x20 && table[0] != 0x21)) {
- NV_ERROR(drm, "PDISP: unsupported DP table for chipset\n");
- return;
- }
-
- entry = ROMPTR(dev, entry[10]);
- if (entry) {
- while (link_bw < ROM16(entry[0]) * 10)
- entry += 4;
-
- nouveau_bios_run_init_table(dev, ROM16(entry[2]), dcb, crtc);
- }
-
- dpctrl |= ((1 << link_nr) - 1) << 16;
- if (enhframe)
- dpctrl |= 0x00004000;
-
- if (link_bw > 162000)
- clksor |= 0x00040000;
-
- nv_wr32(device, 0x614300 + (or * 0x800), clksor);
- nv_wr32(device, NV50_SOR_DP_CTRL(or, link), dpctrl);
-
- mask = 0;
- for (i = 0; i < link_nr; i++)
- mask |= 1 << (nv50_sor_dp_lane_map(dev, dcb, i) >> 3);
- nv_mask(device, NV50_SOR_DP_UNK130(or, link), 0x0000000f, mask);
-}
-
-static void
-nv50_sor_dp_link_get(struct drm_device *dev, u32 or, u32 link, u32 *nr, u32 *bw)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- u32 dpctrl = nv_rd32(device, NV50_SOR_DP_CTRL(or, link)) & 0x000f0000;
- u32 clksor = nv_rd32(device, 0x614300 + (or * 0x800));
- if (clksor & 0x000c0000)
- *bw = 270000;
- else
- *bw = 162000;
-
- if (dpctrl > 0x00030000) *nr = 4;
- else if (dpctrl > 0x00010000) *nr = 2;
- else *nr = 1;
-}
-
-void
-nv50_sor_dp_calc_tu(struct drm_device *dev, int or, int link, u32 clk, u32 bpp)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- struct nouveau_drm *drm = nouveau_drm(dev);
- const u32 symbol = 100000;
- int bestTU = 0, bestVTUi = 0, bestVTUf = 0, bestVTUa = 0;
- int TU, VTUi, VTUf, VTUa;
- u64 link_data_rate, link_ratio, unk;
- u32 best_diff = 64 * symbol;
- u32 link_nr, link_bw, r;
-
- /* calculate packed data rate for each lane */
- nv50_sor_dp_link_get(dev, or, link, &link_nr, &link_bw);
- link_data_rate = (clk * bpp / 8) / link_nr;
-
- /* calculate ratio of packed data rate to link symbol rate */
- link_ratio = link_data_rate * symbol;
- r = do_div(link_ratio, link_bw);
-
- for (TU = 64; TU >= 32; TU--) {
- /* calculate average number of valid symbols in each TU */
- u32 tu_valid = link_ratio * TU;
- u32 calc, diff;
-
- /* find a hw representation for the fraction.. */
- VTUi = tu_valid / symbol;
- calc = VTUi * symbol;
- diff = tu_valid - calc;
- if (diff) {
- if (diff >= (symbol / 2)) {
- VTUf = symbol / (symbol - diff);
- if (symbol - (VTUf * diff))
- VTUf++;
-
- if (VTUf <= 15) {
- VTUa = 1;
- calc += symbol - (symbol / VTUf);
- } else {
- VTUa = 0;
- VTUf = 1;
- calc += symbol;
- }
- } else {
- VTUa = 0;
- VTUf = min((int)(symbol / diff), 15);
- calc += symbol / VTUf;
- }
-
- diff = calc - tu_valid;
- } else {
- /* no remainder, but the hw doesn't like the fractional
- * part to be zero. decrement the integer part and
- * have the fraction add a whole symbol back
- */
- VTUa = 0;
- VTUf = 1;
- VTUi--;
- }
-
- if (diff < best_diff) {
- best_diff = diff;
- bestTU = TU;
- bestVTUa = VTUa;
- bestVTUf = VTUf;
- bestVTUi = VTUi;
- if (diff == 0)
- break;
- }
- }
-
- if (!bestTU) {
- NV_ERROR(drm, "DP: unable to find suitable config\n");
- return;
- }
-
- /* XXX close to vbios numbers, but not right */
- unk = (symbol - link_ratio) * bestTU;
- unk *= link_ratio;
- r = do_div(unk, symbol);
- r = do_div(unk, symbol);
- unk += 6;
-
- nv_mask(device, NV50_SOR_DP_CTRL(or, link), 0x000001fc, bestTU << 2);
- nv_mask(device, NV50_SOR_DP_SCFG(or, link), 0x010f7f3f, bestVTUa << 24 |
- bestVTUf << 16 |
- bestVTUi << 8 |
- unk);
-}
-static void
-nv50_sor_disconnect(struct drm_encoder *encoder)
-{
- 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;
- int ret;
-
- if (!nv_encoder->crtc)
- return;
- nv50_crtc_blank(nouveau_crtc(nv_encoder->crtc), true);
-
- NV_DEBUG(drm, "Disconnecting SOR %d\n", nv_encoder->or);
-
- ret = RING_SPACE(evo, 4);
- if (ret) {
- NV_ERROR(drm, "no space while disconnecting SOR\n");
- return;
- }
- BEGIN_NV04(evo, 0, NV50_EVO_SOR(nv_encoder->or, MODE_CTRL), 1);
- OUT_RING (evo, 0);
- BEGIN_NV04(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 nouveau_device *device = nouveau_dev(encoder->dev);
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
- 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(drm, "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 != DCB_OUTPUT_TMDS &&
- nvenc->dcb->type != DCB_OUTPUT_LVDS &&
- nvenc->dcb->type != DCB_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(device, NV50_PDISPLAY_SOR_DPMS_CTRL(or),
- NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING, 0)) {
- NV_ERROR(drm, "timeout: SOR_DPMS_CTRL_PENDING(%d) == 0\n", or);
- NV_ERROR(drm, "SOR_DPMS_CTRL(%d) = 0x%08x\n", or,
- nv_rd32(device, NV50_PDISPLAY_SOR_DPMS_CTRL(or)));
- }
-
- val = nv_rd32(device, 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(device, NV50_PDISPLAY_SOR_DPMS_CTRL(or), val |
- NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING);
- if (!nv_wait(device, NV50_PDISPLAY_SOR_DPMS_STATE(or),
- NV50_PDISPLAY_SOR_DPMS_STATE_WAIT, 0)) {
- NV_ERROR(drm, "timeout: SOR_DPMS_STATE_WAIT(%d) == 0\n", or);
- NV_ERROR(drm, "SOR_DPMS_STATE(%d) = 0x%08x\n", or,
- nv_rd32(device, NV50_PDISPLAY_SOR_DPMS_STATE(or)));
- }
-
- if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
- struct dp_train_func func = {
- .link_set = nv50_sor_dp_link_set,
- .train_set = nv50_sor_dp_train_set,
- .train_adj = nv50_sor_dp_train_adj
- };
-
- nouveau_dp_dpms(encoder, mode, nv_encoder->dp.datarate, &func);
- }
-}
-
-static void
-nv50_sor_save(struct drm_encoder *encoder)
-{
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
- NV_ERROR(drm, "!!\n");
-}
-
-static void
-nv50_sor_restore(struct drm_encoder *encoder)
-{
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
- NV_ERROR(drm, "!!\n");
-}
-
-static bool
-nv50_sor_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_sor_prepare(struct drm_encoder *encoder)
-{
- struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
- nv50_sor_disconnect(encoder);
- if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
- /* avoid race between link training and supervisor intr */
- nv50_display_sync(encoder->dev);
- }
-}
-
-static void
-nv50_sor_commit(struct drm_encoder *encoder)
-{
-}
-
-static void
-nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
- struct drm_display_mode *mode)
-{
- struct nouveau_channel *evo = nv50_display(encoder->dev)->master;
- struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
- struct nouveau_crtc *crtc = nouveau_crtc(encoder->crtc);
- struct nouveau_connector *nv_connector;
- uint32_t mode_ctl = 0;
- int ret;
-
- NV_DEBUG(drm, "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 DCB_OUTPUT_TMDS:
- if (nv_encoder->dcb->sorconf.link & 1) {
- if (mode->clock < 165000)
- mode_ctl = 0x0100;
- else
- mode_ctl = 0x0500;
- } else
- mode_ctl = 0x0200;
-
- nouveau_hdmi_mode_set(encoder, mode);
- break;
- case DCB_OUTPUT_DP:
- nv_connector = nouveau_encoder_connector_get(nv_encoder);
- if (nv_connector && nv_connector->base.display_info.bpc == 6) {
- nv_encoder->dp.datarate = mode->clock * 18 / 8;
- mode_ctl |= 0x00020000;
- } else {
- nv_encoder->dp.datarate = 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 (mode->flags & DRM_MODE_FLAG_NHSYNC)
- mode_ctl |= NV50_EVO_SOR_MODE_CTRL_NHSYNC;
-
- if (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(drm, "no space while connecting SOR\n");
- nv_encoder->crtc = NULL;
- return;
- }
- BEGIN_NV04(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);
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
-
- NV_DEBUG(drm, "\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_output *entry)
-{
- struct nouveau_encoder *nv_encoder = NULL;
- struct drm_device *dev = connector->dev;
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct drm_encoder *encoder;
- int type;
-
- NV_DEBUG(drm, "\n");
-
- switch (entry->type) {
- case DCB_OUTPUT_TMDS:
- case DCB_OUTPUT_DP:
- type = DRM_MODE_ENCODER_TMDS;
- break;
- case DCB_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;
-}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-29 22:20:34 +0000