diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_sor.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_sor.c | 530 |
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; -} |