#include <engine/software.h>
#include <engine/disp.h>
+#include <subdev/bios.h>
+#include <subdev/bios/dcb.h>
+#include <subdev/bios/disp.h>
+#include <subdev/bios/init.h>
+#include <subdev/bios/pll.h>
#include <subdev/timer.h>
#include <subdev/fb.h>
#include <subdev/bar.h>
+#include <subdev/clock.h>
#include "nv50.h"
* Display engine implementation
******************************************************************************/
+static void
+nv50_disp_intr_error(struct nv50_disp_priv *priv)
+{
+ u32 channels = (nv_rd32(priv, 0x610020) & 0x001f0000) >> 16;
+ u32 addr, data;
+ int chid;
+
+ for (chid = 0; chid < 5; chid++) {
+ if (!(channels & (1 << chid)))
+ continue;
+
+ nv_wr32(priv, 0x610020, 0x00010000 << chid);
+ addr = nv_rd32(priv, 0x610080 + (chid * 0x08));
+ data = nv_rd32(priv, 0x610084 + (chid * 0x08));
+ nv_wr32(priv, 0x610080 + (chid * 0x08), 0x90000000);
+
+ nv_error(priv, "chid %d mthd 0x%04x data 0x%08x 0x%08x\n",
+ chid, addr & 0xffc, data, addr);
+ }
+}
+
static void
nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc)
{
disp->vblank.notify(disp->vblank.data, crtc);
}
+static u16
+exec_lookup(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl,
+ struct dcb_output *dcb, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
+ struct nvbios_outp *info)
+{
+ struct nouveau_bios *bios = nouveau_bios(priv);
+ u16 mask, type, data;
+
+ if (outp < 4) {
+ type = DCB_OUTPUT_ANALOG;
+ mask = 0;
+ } else {
+ outp -= 4;
+ switch (ctrl & 0x00000f00) {
+ case 0x00000000: type = DCB_OUTPUT_LVDS; mask = 1; break;
+ case 0x00000100: type = DCB_OUTPUT_TMDS; mask = 1; break;
+ case 0x00000200: type = DCB_OUTPUT_TMDS; mask = 2; break;
+ case 0x00000500: type = DCB_OUTPUT_TMDS; mask = 3; break;
+ case 0x00000800: type = DCB_OUTPUT_DP; mask = 1; break;
+ case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break;
+ default:
+ nv_error(priv, "unknown SOR mc 0x%08x\n", ctrl);
+ return 0x0000;
+ }
+ }
+
+ mask = 0x00c0 & (mask << 6);
+ mask |= 0x0001 << outp;
+ mask |= 0x0100 << head;
+
+ data = dcb_outp_match(bios, type, mask, ver, hdr, dcb);
+ if (!data)
+ return 0x0000;
+
+ return nvbios_outp_match(bios, type, mask, ver, hdr, cnt, len, info);
+}
+
+static bool
+exec_script(struct nv50_disp_priv *priv, int head, int id)
+{
+ struct nouveau_bios *bios = nouveau_bios(priv);
+ struct nvbios_outp info;
+ struct dcb_output dcb;
+ u8 ver, hdr, cnt, len;
+ u16 data;
+ u32 ctrl = 0x00000000;
+ int i;
+
+ for (i = 0; !(ctrl & (1 << head)) && i < 3; i++)
+ ctrl = nv_rd32(priv, 0x610b5c + (i * 8));
+
+ if (nv_device(priv)->chipset < 0x90 ||
+ nv_device(priv)->chipset == 0x92 ||
+ nv_device(priv)->chipset == 0xa0) {
+ for (i = 0; !(ctrl & (1 << head)) && i < 2; i++)
+ ctrl = nv_rd32(priv, 0x610b74 + (i * 8));
+ i += 3;
+ } else {
+ for (i = 0; !(ctrl & (1 << head)) && i < 4; i++)
+ ctrl = nv_rd32(priv, 0x610798 + (i * 8));
+ i += 3;
+ }
+
+ if (!(ctrl & (1 << head)))
+ return false;
+
+ data = exec_lookup(priv, head, i, ctrl, &dcb, &ver, &hdr, &cnt, &len, &info);
+ if (data) {
+ struct nvbios_init init = {
+ .subdev = nv_subdev(priv),
+ .bios = bios,
+ .offset = info.script[id],
+ .outp = &dcb,
+ .crtc = head,
+ .execute = 1,
+ };
+
+ return nvbios_exec(&init) == 0;
+ }
+
+ return false;
+}
+
+static u32
+exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, u32 pclk,
+ struct dcb_output *outp)
+{
+ struct nouveau_bios *bios = nouveau_bios(priv);
+ struct nvbios_outp info1;
+ struct nvbios_ocfg info2;
+ u8 ver, hdr, cnt, len;
+ u16 data, conf;
+ u32 ctrl = 0x00000000;
+ int i;
+
+ for (i = 0; !(ctrl & (1 << head)) && i < 3; i++)
+ ctrl = nv_rd32(priv, 0x610b58 + (i * 8));
+
+ if (nv_device(priv)->chipset < 0x90 ||
+ nv_device(priv)->chipset == 0x92 ||
+ nv_device(priv)->chipset == 0xa0) {
+ for (i = 0; !(ctrl & (1 << head)) && i < 2; i++)
+ ctrl = nv_rd32(priv, 0x610b70 + (i * 8));
+ i += 3;
+ } else {
+ for (i = 0; !(ctrl & (1 << head)) && i < 4; i++)
+ ctrl = nv_rd32(priv, 0x610794 + (i * 8));
+ i += 3;
+ }
+
+ if (!(ctrl & (1 << head)))
+ return 0x0000;
+
+ data = exec_lookup(priv, head, i, ctrl, outp, &ver, &hdr, &cnt, &len, &info1);
+ if (!data)
+ return 0x0000;
+
+ switch (outp->type) {
+ case DCB_OUTPUT_TMDS:
+ conf = (ctrl & 0x00000f00) >> 8;
+ if (pclk >= 165000)
+ conf |= 0x0100;
+ break;
+ case DCB_OUTPUT_LVDS:
+ conf = priv->sor.lvdsconf;
+ break;
+ case DCB_OUTPUT_DP:
+ conf = (ctrl & 0x00000f00) >> 8;
+ break;
+ case DCB_OUTPUT_ANALOG:
+ default:
+ conf = 0x00ff;
+ break;
+ }
+
+ data = nvbios_ocfg_match(bios, data, conf, &ver, &hdr, &cnt, &len, &info2);
+ if (data) {
+ data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk);
+ if (data) {
+ struct nvbios_init init = {
+ .subdev = nv_subdev(priv),
+ .bios = bios,
+ .offset = data,
+ .outp = outp,
+ .crtc = head,
+ .execute = 1,
+ };
+
+ if (nvbios_exec(&init))
+ return 0x0000;
+ return conf;
+ }
+ }
+
+ return 0x0000;
+}
+
+static void
+nv50_disp_intr_unk10(struct nv50_disp_priv *priv, u32 super)
+{
+ int head = ffs((super & 0x00000060) >> 5) - 1;
+ if (head >= 0) {
+ head = ffs((super & 0x00000180) >> 7) - 1;
+ if (head >= 0)
+ exec_script(priv, head, 1);
+ }
+
+ nv_wr32(priv, 0x610024, 0x00000010);
+ nv_wr32(priv, 0x610030, 0x80000000);
+}
+
+static void
+nv50_disp_intr_unk20_dp(struct nv50_disp_priv *priv,
+ struct dcb_output *outp, u32 pclk)
+{
+ const int link = !(outp->sorconf.link & 1);
+ const int or = ffs(outp->or) - 1;
+ const u32 soff = ( or * 0x800);
+ const u32 loff = (link * 0x080) + soff;
+ const u32 ctrl = nv_rd32(priv, 0x610794 + (or * 8));
+ const u32 bits = ((ctrl & 0x000f0000) == 0x00020000) ? 18 : 24;
+ const u32 symbol = 100000;
+ u32 dpctrl = nv_rd32(priv, 0x61c10c + loff) & 0x0000f0000;
+ u32 clksor = nv_rd32(priv, 0x614300 + soff);
+ 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 */
+ if (dpctrl > 0x00030000) link_nr = 4;
+ else if (dpctrl > 0x00010000) link_nr = 2;
+ else link_nr = 1;
+
+ if (clksor & 0x000c0000)
+ link_bw = 270000;
+ else
+ link_bw = 162000;
+
+ link_data_rate = (pclk * bits / 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(priv, "unable to find suitable dp 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(priv, 0x61c10c + loff, 0x000001fc, bestTU << 2);
+ nv_mask(priv, 0x61c128 + loff, 0x010f7f3f, bestVTUa << 24 |
+ bestVTUf << 16 |
+ bestVTUi << 8 | unk);
+}
+
+static void
+nv50_disp_intr_unk20(struct nv50_disp_priv *priv, u32 super)
+{
+ struct dcb_output outp;
+ u32 addr, mask, data;
+ int head;
+
+ /* finish detaching encoder? */
+ head = ffs((super & 0x00000180) >> 7) - 1;
+ if (head >= 0)
+ exec_script(priv, head, 2);
+
+ /* check whether a vpll change is required */
+ head = ffs((super & 0x00000600) >> 9) - 1;
+ if (head >= 0) {
+ u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff;
+ if (pclk) {
+ struct nouveau_clock *clk = nouveau_clock(priv);
+ clk->pll_set(clk, PLL_VPLL0 + head, pclk);
+ }
+
+ nv_mask(priv, 0x614200 + head * 0x800, 0x0000000f, 0x00000000);
+ }
+
+ /* (re)attach the relevant OR to the head */
+ head = ffs((super & 0x00000180) >> 7) - 1;
+ if (head >= 0) {
+ u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff;
+ u32 conf = exec_clkcmp(priv, head, 0, pclk, &outp);
+ if (conf) {
+ if (outp.type == DCB_OUTPUT_ANALOG) {
+ addr = 0x614280 + (ffs(outp.or) - 1) * 0x800;
+ mask = 0xffffffff;
+ data = 0x00000000;
+ } else {
+ if (outp.type == DCB_OUTPUT_DP)
+ nv50_disp_intr_unk20_dp(priv, &outp, pclk);
+ addr = 0x614300 + (ffs(outp.or) - 1) * 0x800;
+ mask = 0x00000707;
+ data = (conf & 0x0100) ? 0x0101 : 0x0000;
+ }
+
+ nv_mask(priv, addr, mask, data);
+ }
+ }
+
+ nv_wr32(priv, 0x610024, 0x00000020);
+ nv_wr32(priv, 0x610030, 0x80000000);
+}
+
+/* If programming a TMDS output on a SOR that can also be configured for
+ * DisplayPort, make sure NV50_SOR_DP_CTRL_ENABLE is forced off.
+ *
+ * It looks like the VBIOS TMDS scripts make an attempt at this, however,
+ * the VBIOS scripts on at least one board I have only switch it off on
+ * link 0, causing a blank display if the output has previously been
+ * programmed for DisplayPort.
+ */
+static void
+nv50_disp_intr_unk40_tmds(struct nv50_disp_priv *priv, struct dcb_output *outp)
+{
+ struct nouveau_bios *bios = nouveau_bios(priv);
+ const int link = !(outp->sorconf.link & 1);
+ const int or = ffs(outp->or) - 1;
+ const u32 loff = (or * 0x800) + (link * 0x80);
+ const u16 mask = (outp->sorconf.link << 6) | outp->or;
+ u8 ver, hdr;
+
+ if (dcb_outp_match(bios, DCB_OUTPUT_DP, mask, &ver, &hdr, outp))
+ nv_mask(priv, 0x61c10c + loff, 0x00000001, 0x00000000);
+}
+
+static void
+nv50_disp_intr_unk40(struct nv50_disp_priv *priv, u32 super)
+{
+ int head = ffs((super & 0x00000180) >> 7) - 1;
+ if (head >= 0) {
+ struct dcb_output outp;
+ u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff;
+ if (pclk && exec_clkcmp(priv, head, 1, pclk, &outp)) {
+ if (outp.type == DCB_OUTPUT_TMDS)
+ nv50_disp_intr_unk40_tmds(priv, &outp);
+ }
+ }
+
+ nv_wr32(priv, 0x610024, 0x00000040);
+ nv_wr32(priv, 0x610030, 0x80000000);
+}
+
+static void
+nv50_disp_intr_super(struct nv50_disp_priv *priv, u32 intr1)
+{
+ u32 super = nv_rd32(priv, 0x610030);
+
+ nv_debug(priv, "supervisor 0x%08x 0x%08x\n", intr1, super);
+
+ if (intr1 & 0x00000010)
+ nv50_disp_intr_unk10(priv, super);
+ if (intr1 & 0x00000020)
+ nv50_disp_intr_unk20(priv, super);
+ if (intr1 & 0x00000040)
+ nv50_disp_intr_unk40(priv, super);
+}
+
void
nv50_disp_intr(struct nouveau_subdev *subdev)
{
struct nv50_disp_priv *priv = (void *)subdev;
- u32 stat1 = nv_rd32(priv, 0x610024);
+ u32 intr0 = nv_rd32(priv, 0x610020);
+ u32 intr1 = nv_rd32(priv, 0x610024);
- if (stat1 & 0x00000004) {
+ if (intr0 & 0x001f0000) {
+ nv50_disp_intr_error(priv);
+ intr0 &= ~0x001f0000;
+ }
+
+ if (intr1 & 0x00000004) {
nv50_disp_intr_vblank(priv, 0);
nv_wr32(priv, 0x610024, 0x00000004);
- stat1 &= ~0x00000004;
+ intr1 &= ~0x00000004;
}
- if (stat1 & 0x00000008) {
+ if (intr1 & 0x00000008) {
nv50_disp_intr_vblank(priv, 1);
nv_wr32(priv, 0x610024, 0x00000008);
- stat1 &= ~0x00000008;
+ intr1 &= ~0x00000008;
}
+ if (intr1 & 0x00000070) {
+ nv50_disp_intr_super(priv, intr1);
+ intr1 &= ~0x00000070;
+ }
}
static int
return IRQ_NONE;
nv_subdev(pmc)->intr(nv_subdev(pmc));
-
- if (dev->mode_config.num_crtc &&
- device->card_type <= NV_C0 &&
- device->card_type >= NV_50) {
- if (nv_rd32(device, 0x000100) & 0x04000000)
- nv50_display_intr(dev);
- }
-
return IRQ_HANDLED;
}
#include <subdev/timer.h>
-static void nv50_display_bh(unsigned long);
-
static inline int
nv50_sor_nr(struct drm_device *dev)
{
}
}
- tasklet_init(&priv->tasklet, nv50_display_bh, (unsigned long)dev);
-
ret = nv50_evo_create(dev);
if (ret) {
nv50_display_destroy(dev);
dispc->sem.value++;
return 0;
}
-
-static u16
-nv50_display_script_select(struct drm_device *dev, struct dcb_output *dcb,
- u32 mc, int pxclk)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nouveau_connector *nv_connector = NULL;
- struct drm_encoder *encoder;
- struct nvbios *bios = &drm->vbios;
- u32 script = 0, or;
-
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-
- if (nv_encoder->dcb != dcb)
- continue;
-
- nv_connector = nouveau_encoder_connector_get(nv_encoder);
- break;
- }
-
- or = ffs(dcb->or) - 1;
- switch (dcb->type) {
- case DCB_OUTPUT_LVDS:
- script = (mc >> 8) & 0xf;
- if (bios->fp_no_ddc) {
- if (bios->fp.dual_link)
- script |= 0x0100;
- if (bios->fp.if_is_24bit)
- script |= 0x0200;
- } else {
- /* determine number of lvds links */
- if (nv_connector && nv_connector->edid &&
- nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) {
- /* http://www.spwg.org */
- if (((u8 *)nv_connector->edid)[121] == 2)
- script |= 0x0100;
- } else
- if (pxclk >= bios->fp.duallink_transition_clk) {
- script |= 0x0100;
- }
-
- /* determine panel depth */
- if (script & 0x0100) {
- if (bios->fp.strapless_is_24bit & 2)
- script |= 0x0200;
- } else {
- if (bios->fp.strapless_is_24bit & 1)
- script |= 0x0200;
- }
-
- if (nv_connector && nv_connector->edid &&
- (nv_connector->edid->revision >= 4) &&
- (nv_connector->edid->input & 0x70) >= 0x20)
- script |= 0x0200;
- }
- break;
- case DCB_OUTPUT_TMDS:
- script = (mc >> 8) & 0xf;
- if (pxclk >= 165000)
- script |= 0x0100;
- break;
- case DCB_OUTPUT_DP:
- script = (mc >> 8) & 0xf;
- break;
- case DCB_OUTPUT_ANALOG:
- script = 0xff;
- break;
- default:
- NV_ERROR(drm, "modeset on unsupported output type!\n");
- break;
- }
-
- return script;
-}
-
-static void
-nv50_display_unk10_handler(struct drm_device *dev)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nv50_display *disp = nv50_display(dev);
- u32 unk30 = nv_rd32(device, 0x610030), mc;
- int i, crtc, or = 0, type = DCB_OUTPUT_ANY;
-
- NV_DEBUG(drm, "0x610030: 0x%08x\n", unk30);
- disp->irq.dcb = NULL;
-
- nv_wr32(device, 0x619494, nv_rd32(device, 0x619494) & ~8);
-
- /* Determine which CRTC we're dealing with, only 1 ever will be
- * signalled at the same time with the current nouveau code.
- */
- crtc = ffs((unk30 & 0x00000060) >> 5) - 1;
- if (crtc < 0)
- goto ack;
-
- /* Nothing needs to be done for the encoder */
- crtc = ffs((unk30 & 0x00000180) >> 7) - 1;
- if (crtc < 0)
- goto ack;
-
- /* Find which encoder was connected to the CRTC */
- for (i = 0; type == DCB_OUTPUT_ANY && i < 3; i++) {
- mc = nv_rd32(device, NV50_PDISPLAY_DAC_MODE_CTRL_C(i));
- NV_DEBUG(drm, "DAC-%d mc: 0x%08x\n", i, mc);
- if (!(mc & (1 << crtc)))
- continue;
-
- switch ((mc & 0x00000f00) >> 8) {
- case 0: type = DCB_OUTPUT_ANALOG; break;
- case 1: type = DCB_OUTPUT_TV; break;
- default:
- NV_ERROR(drm, "invalid mc, DAC-%d: 0x%08x\n", i, mc);
- goto ack;
- }
-
- or = i;
- }
-
- for (i = 0; type == DCB_OUTPUT_ANY && i < nv50_sor_nr(dev); i++) {
- if (nv_device(drm->device)->chipset < 0x90 ||
- nv_device(drm->device)->chipset == 0x92 ||
- nv_device(drm->device)->chipset == 0xa0)
- mc = nv_rd32(device, NV50_PDISPLAY_SOR_MODE_CTRL_C(i));
- else
- mc = nv_rd32(device, NV90_PDISPLAY_SOR_MODE_CTRL_C(i));
-
- NV_DEBUG(drm, "SOR-%d mc: 0x%08x\n", i, mc);
- if (!(mc & (1 << crtc)))
- continue;
-
- switch ((mc & 0x00000f00) >> 8) {
- case 0: type = DCB_OUTPUT_LVDS; break;
- case 1: type = DCB_OUTPUT_TMDS; break;
- case 2: type = DCB_OUTPUT_TMDS; break;
- case 5: type = DCB_OUTPUT_TMDS; break;
- case 8: type = DCB_OUTPUT_DP; break;
- case 9: type = DCB_OUTPUT_DP; break;
- default:
- NV_ERROR(drm, "invalid mc, SOR-%d: 0x%08x\n", i, mc);
- goto ack;
- }
-
- or = i;
- }
-
- /* There was no encoder to disable */
- if (type == DCB_OUTPUT_ANY)
- goto ack;
-
- /* Disable the encoder */
- for (i = 0; i < drm->vbios.dcb.entries; i++) {
- struct dcb_output *dcb = &drm->vbios.dcb.entry[i];
-
- if (dcb->type == type && (dcb->or & (1 << or))) {
- nouveau_bios_run_display_table(dev, 0, -1, dcb, -1);
- disp->irq.dcb = dcb;
- goto ack;
- }
- }
-
- NV_ERROR(drm, "no dcb for %d %d 0x%08x\n", or, type, mc);
-ack:
- nv_wr32(device, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_CLK_UNK10);
- nv_wr32(device, 0x610030, 0x80000000);
-}
-
-static void
-nv50_display_unk20_handler(struct drm_device *dev)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nv50_display *disp = nv50_display(dev);
- u32 unk30 = nv_rd32(device, 0x610030), tmp, pclk, script, mc = 0;
- struct dcb_output *dcb;
- int i, crtc, or = 0, type = DCB_OUTPUT_ANY;
-
- NV_DEBUG(drm, "0x610030: 0x%08x\n", unk30);
- dcb = disp->irq.dcb;
- if (dcb) {
- nouveau_bios_run_display_table(dev, 0, -2, dcb, -1);
- disp->irq.dcb = NULL;
- }
-
- /* CRTC clock change requested? */
- crtc = ffs((unk30 & 0x00000600) >> 9) - 1;
- if (crtc >= 0) {
- pclk = nv_rd32(device, NV50_PDISPLAY_CRTC_P(crtc, CLOCK));
- pclk &= 0x003fffff;
- if (pclk)
- nv50_crtc_set_clock(dev, crtc, pclk);
-
- tmp = nv_rd32(device, NV50_PDISPLAY_CRTC_CLK_CTRL2(crtc));
- tmp &= ~0x000000f;
- nv_wr32(device, NV50_PDISPLAY_CRTC_CLK_CTRL2(crtc), tmp);
- }
-
- /* Nothing needs to be done for the encoder */
- crtc = ffs((unk30 & 0x00000180) >> 7) - 1;
- if (crtc < 0)
- goto ack;
- pclk = nv_rd32(device, NV50_PDISPLAY_CRTC_P(crtc, CLOCK)) & 0x003fffff;
-
- /* Find which encoder is connected to the CRTC */
- for (i = 0; type == DCB_OUTPUT_ANY && i < 3; i++) {
- mc = nv_rd32(device, NV50_PDISPLAY_DAC_MODE_CTRL_P(i));
- NV_DEBUG(drm, "DAC-%d mc: 0x%08x\n", i, mc);
- if (!(mc & (1 << crtc)))
- continue;
-
- switch ((mc & 0x00000f00) >> 8) {
- case 0: type = DCB_OUTPUT_ANALOG; break;
- case 1: type = DCB_OUTPUT_TV; break;
- default:
- NV_ERROR(drm, "invalid mc, DAC-%d: 0x%08x\n", i, mc);
- goto ack;
- }
-
- or = i;
- }
-
- for (i = 0; type == DCB_OUTPUT_ANY && i < nv50_sor_nr(dev); i++) {
- if (nv_device(drm->device)->chipset < 0x90 ||
- nv_device(drm->device)->chipset == 0x92 ||
- nv_device(drm->device)->chipset == 0xa0)
- mc = nv_rd32(device, NV50_PDISPLAY_SOR_MODE_CTRL_P(i));
- else
- mc = nv_rd32(device, NV90_PDISPLAY_SOR_MODE_CTRL_P(i));
-
- NV_DEBUG(drm, "SOR-%d mc: 0x%08x\n", i, mc);
- if (!(mc & (1 << crtc)))
- continue;
-
- switch ((mc & 0x00000f00) >> 8) {
- case 0: type = DCB_OUTPUT_LVDS; break;
- case 1: type = DCB_OUTPUT_TMDS; break;
- case 2: type = DCB_OUTPUT_TMDS; break;
- case 5: type = DCB_OUTPUT_TMDS; break;
- case 8: type = DCB_OUTPUT_DP; break;
- case 9: type = DCB_OUTPUT_DP; break;
- default:
- NV_ERROR(drm, "invalid mc, SOR-%d: 0x%08x\n", i, mc);
- goto ack;
- }
-
- or = i;
- }
-
- if (type == DCB_OUTPUT_ANY)
- goto ack;
-
- /* Enable the encoder */
- for (i = 0; i < drm->vbios.dcb.entries; i++) {
- dcb = &drm->vbios.dcb.entry[i];
- if (dcb->type == type && (dcb->or & (1 << or)))
- break;
- }
-
- if (i == drm->vbios.dcb.entries) {
- NV_ERROR(drm, "no dcb for %d %d 0x%08x\n", or, type, mc);
- goto ack;
- }
-
- script = nv50_display_script_select(dev, dcb, mc, pclk);
- nouveau_bios_run_display_table(dev, script, pclk, dcb, -1);
-
- if (type == DCB_OUTPUT_DP) {
- int link = !(dcb->dpconf.sor.link & 1);
- if ((mc & 0x000f0000) == 0x00020000)
- nv50_sor_dp_calc_tu(dev, or, link, pclk, 18);
- else
- nv50_sor_dp_calc_tu(dev, or, link, pclk, 24);
- }
-
- if (dcb->type != DCB_OUTPUT_ANALOG) {
- tmp = nv_rd32(device, NV50_PDISPLAY_SOR_CLK_CTRL2(or));
- tmp &= ~0x00000f0f;
- if (script & 0x0100)
- tmp |= 0x00000101;
- nv_wr32(device, NV50_PDISPLAY_SOR_CLK_CTRL2(or), tmp);
- } else {
- nv_wr32(device, NV50_PDISPLAY_DAC_CLK_CTRL2(or), 0);
- }
-
- disp->irq.dcb = dcb;
- disp->irq.pclk = pclk;
- disp->irq.script = script;
-
-ack:
- nv_wr32(device, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_CLK_UNK20);
- nv_wr32(device, 0x610030, 0x80000000);
-}
-
-/* If programming a TMDS output on a SOR that can also be configured for
- * DisplayPort, make sure NV50_SOR_DP_CTRL_ENABLE is forced off.
- *
- * It looks like the VBIOS TMDS scripts make an attempt at this, however,
- * the VBIOS scripts on at least one board I have only switch it off on
- * link 0, causing a blank display if the output has previously been
- * programmed for DisplayPort.
- */
-static void
-nv50_display_unk40_dp_set_tmds(struct drm_device *dev, struct dcb_output *dcb)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- int or = ffs(dcb->or) - 1, link = !(dcb->dpconf.sor.link & 1);
- struct drm_encoder *encoder;
- u32 tmp;
-
- if (dcb->type != DCB_OUTPUT_TMDS)
- return;
-
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-
- if (nv_encoder->dcb->type == DCB_OUTPUT_DP &&
- nv_encoder->dcb->or & (1 << or)) {
- tmp = nv_rd32(device, NV50_SOR_DP_CTRL(or, link));
- tmp &= ~NV50_SOR_DP_CTRL_ENABLED;
- nv_wr32(device, NV50_SOR_DP_CTRL(or, link), tmp);
- break;
- }
- }
-}
-
-static void
-nv50_display_unk40_handler(struct drm_device *dev)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nv50_display *disp = nv50_display(dev);
- struct dcb_output *dcb = disp->irq.dcb;
- u16 script = disp->irq.script;
- u32 unk30 = nv_rd32(device, 0x610030), pclk = disp->irq.pclk;
-
- NV_DEBUG(drm, "0x610030: 0x%08x\n", unk30);
- disp->irq.dcb = NULL;
- if (!dcb)
- goto ack;
-
- nouveau_bios_run_display_table(dev, script, -pclk, dcb, -1);
- nv50_display_unk40_dp_set_tmds(dev, dcb);
-
-ack:
- nv_wr32(device, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_CLK_UNK40);
- nv_wr32(device, 0x610030, 0x80000000);
- nv_wr32(device, 0x619494, nv_rd32(device, 0x619494) | 8);
-}
-
-static void
-nv50_display_bh(unsigned long data)
-{
- struct drm_device *dev = (struct drm_device *)data;
- struct nouveau_device *device = nouveau_dev(dev);
- struct nouveau_drm *drm = nouveau_drm(dev);
-
- for (;;) {
- uint32_t intr0 = nv_rd32(device, NV50_PDISPLAY_INTR_0);
- uint32_t intr1 = nv_rd32(device, NV50_PDISPLAY_INTR_1);
-
- NV_DEBUG(drm, "PDISPLAY_INTR_BH 0x%08x 0x%08x\n", intr0, intr1);
-
- if (intr1 & NV50_PDISPLAY_INTR_1_CLK_UNK10)
- nv50_display_unk10_handler(dev);
- else
- if (intr1 & NV50_PDISPLAY_INTR_1_CLK_UNK20)
- nv50_display_unk20_handler(dev);
- else
- if (intr1 & NV50_PDISPLAY_INTR_1_CLK_UNK40)
- nv50_display_unk40_handler(dev);
- else
- break;
- }
-
- nv_wr32(device, NV03_PMC_INTR_EN_0, 1);
-}
-
-static void
-nv50_display_error_handler(struct drm_device *dev)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- struct nouveau_drm *drm = nouveau_drm(dev);
- u32 channels = (nv_rd32(device, NV50_PDISPLAY_INTR_0) & 0x001f0000) >> 16;
- u32 addr, data;
- int chid;
-
- for (chid = 0; chid < 5; chid++) {
- if (!(channels & (1 << chid)))
- continue;
-
- nv_wr32(device, NV50_PDISPLAY_INTR_0, 0x00010000 << chid);
- addr = nv_rd32(device, NV50_PDISPLAY_TRAPPED_ADDR(chid));
- data = nv_rd32(device, NV50_PDISPLAY_TRAPPED_DATA(chid));
- NV_ERROR(drm, "EvoCh %d Mthd 0x%04x Data 0x%08x "
- "(0x%04x 0x%02x)\n", chid,
- addr & 0xffc, data, addr >> 16, (addr >> 12) & 0xf);
-
- nv_wr32(device, NV50_PDISPLAY_TRAPPED_ADDR(chid), 0x90000000);
- }
-}
-
-void
-nv50_display_intr(struct drm_device *dev)
-{
- struct nouveau_device *device = nouveau_dev(dev);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nv50_display *disp = nv50_display(dev);
- uint32_t delayed = 0;
-
- while (nv_rd32(device, NV50_PMC_INTR_0) & NV50_PMC_INTR_0_DISPLAY) {
- uint32_t intr0 = nv_rd32(device, NV50_PDISPLAY_INTR_0);
- uint32_t intr1 = nv_rd32(device, NV50_PDISPLAY_INTR_1);
- uint32_t clock;
-
- NV_DEBUG(drm, "PDISPLAY_INTR 0x%08x 0x%08x\n", intr0, intr1);
-
- if (!intr0 && !(intr1 & ~delayed))
- break;
-
- if (intr0 & 0x001f0000) {
- nv50_display_error_handler(dev);
- intr0 &= ~0x001f0000;
- }
-
- if (intr1 & NV50_PDISPLAY_INTR_1_VBLANK_CRTC) {
- intr1 &= ~NV50_PDISPLAY_INTR_1_VBLANK_CRTC;
- delayed |= NV50_PDISPLAY_INTR_1_VBLANK_CRTC;
- }
-
- clock = (intr1 & (NV50_PDISPLAY_INTR_1_CLK_UNK10 |
- NV50_PDISPLAY_INTR_1_CLK_UNK20 |
- NV50_PDISPLAY_INTR_1_CLK_UNK40));
- if (clock) {
- nv_wr32(device, NV03_PMC_INTR_EN_0, 0);
- tasklet_schedule(&disp->tasklet);
- delayed |= clock;
- intr1 &= ~clock;
- }
-
- if (intr0) {
- NV_ERROR(drm, "unknown PDISPLAY_INTR_0: 0x%08x\n", intr0);
- nv_wr32(device, NV50_PDISPLAY_INTR_0, intr0);
- }
-
- if (intr1) {
- NV_ERROR(drm,
- "unknown PDISPLAY_INTR_1: 0x%08x\n", intr1);
- nv_wr32(device, NV50_PDISPLAY_INTR_1, intr1);
- }
- }
-}
int nv50_display_init(struct drm_device *dev);
void nv50_display_fini(struct drm_device *dev);
void nv50_display_destroy(struct drm_device *dev);
-void nv50_display_intr(struct drm_device *);
int nv50_crtc_blank(struct nouveau_crtc *, bool blank);
int nv50_crtc_set_clock(struct drm_device *, int head, int pclk);
nv_call(disp->core, NV94_DISP_SOR_DP_LNKCTL + moff, data);
}
-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_drm *drm = nouveau_drm(encoder->dev);
struct nouveau_crtc *crtc = nouveau_crtc(encoder->crtc);
struct nouveau_connector *nv_connector;
- uint32_t mode_ctl = 0;
+ struct nv50_display *disp = nv50_display(encoder->dev);
+ struct nvbios *bios = &drm->vbios;
+ uint32_t mode_ctl = 0, script;
int ret;
NV_DEBUG(drm, "or %d type %d -> crtc %d\n",
nouveau_hdmi_mode_set(encoder, mode);
break;
+ case DCB_OUTPUT_LVDS:
+ script = 0x0000;
+ if (bios->fp_no_ddc) {
+ if (bios->fp.dual_link)
+ script |= 0x0100;
+ if (bios->fp.if_is_24bit)
+ script |= 0x0200;
+ } else {
+ /* determine number of lvds links */
+ nv_connector = nouveau_encoder_connector_get(nv_encoder);
+ if (nv_connector && nv_connector->edid &&
+ nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) {
+ /* http://www.spwg.org */
+ if (((u8 *)nv_connector->edid)[121] == 2)
+ script |= 0x0100;
+ } else
+ if (mode->clock >= bios->fp.duallink_transition_clk) {
+ script |= 0x0100;
+ }
+
+ /* determine panel depth */
+ if (script & 0x0100) {
+ if (bios->fp.strapless_is_24bit & 2)
+ script |= 0x0200;
+ } else {
+ if (bios->fp.strapless_is_24bit & 1)
+ script |= 0x0200;
+ }
+
+ if (nv_connector && nv_connector->edid &&
+ (nv_connector->edid->revision >= 4) &&
+ (nv_connector->edid->input & 0x70) >= 0x20)
+ script |= 0x0200;
+ }
+
+ nv_call(disp->core, NV50_DISP_SOR_LVDS_SCRIPT + nv_encoder->or, script);
+ break;
case DCB_OUTPUT_DP:
nv_connector = nouveau_encoder_connector_get(nv_encoder);
if (nv_connector && nv_connector->base.display_info.bpc == 6) {
projects / karo-tx-linux.git / commitdiff