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add hdmi support from nouveau

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commit 9e9820fa764b495d1d8335f60ddca523e92ec2e2 1 parent 327ca9a
@mlankhorst mlankhorst authored
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2  pscnv/Makefile
@@ -1,7 +1,7 @@
pscnv-y := nouveau_drv.o nouveau_state.o \
nouveau_irq.o nouveau_bios.o nouveau_hw.o nouveau_mem.o \
nouveau_i2c.o nouveau_calc.o nouveau_dp.o nouveau_connector.o \
- nouveau_display.o nouveau_fbcon.o nouveau_dma.o \
+ nouveau_display.o nouveau_fbcon.o nouveau_dma.o nouveau_hdmi.o \
nouveau_pm.o nouveau_volt.o nouveau_perf.o nouveau_temp.o \
nv04_tv.o nv04_dfp.o nv04_dac.o nv04_timer.o \
nv10_gpio.o \
View
3  pscnv/nouveau_drv.h
@@ -888,6 +888,9 @@ int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
bool nouveau_dp_detect(struct drm_encoder *);
bool nouveau_dp_link_train(struct drm_encoder *);
+/* nouveau_hdmi.c */
+void nouveau_hdmi_mode_set(struct drm_encoder *, struct drm_display_mode *);
+
/* nv04_fb.c */
extern int nv04_fb_init(struct drm_device *);
extern void nv04_fb_takedown(struct drm_device *);
View
258 pscnv/nouveau_hdmi.c
@@ -0,0 +1,258 @@
+/*
+ * Copyright 2011 Red Hat Inc.
+ *
+ * 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 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 HOLDER(S) OR AUTHOR(S) 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.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#include "drmP.h"
+#include "nouveau_drv.h"
+#include "nouveau_connector.h"
+#include "nouveau_encoder.h"
+#include "nouveau_crtc.h"
+
+static bool
+hdmi_sor(struct drm_encoder *encoder)
+{
+ struct drm_nouveau_private *dev_priv = encoder->dev->dev_private;
+ if (dev_priv->chipset < 0xa3)
+ return false;
+ return true;
+}
+
+static inline u32
+hdmi_base(struct drm_encoder *encoder)
+{
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc);
+ if (!hdmi_sor(encoder))
+ return 0x616500 + (nv_crtc->index * 0x800);
+ return 0x61c500 + (nv_encoder->or * 0x800);
+}
+
+static void
+hdmi_wr32(struct drm_encoder *encoder, u32 reg, u32 val)
+{
+ nv_wr32(encoder->dev, hdmi_base(encoder) + reg, val);
+}
+
+static u32
+hdmi_rd32(struct drm_encoder *encoder, u32 reg)
+{
+ return nv_rd32(encoder->dev, hdmi_base(encoder) + reg);
+}
+
+static u32
+hdmi_mask(struct drm_encoder *encoder, u32 reg, u32 mask, u32 val)
+{
+ u32 tmp = hdmi_rd32(encoder, reg);
+ hdmi_wr32(encoder, reg, (tmp & ~mask) | val);
+ return tmp;
+}
+
+static void
+nouveau_audio_disconnect(struct drm_encoder *encoder)
+{
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct drm_device *dev = encoder->dev;
+ u32 or = nv_encoder->or * 0x800;
+
+ if (hdmi_sor(encoder)) {
+ nv_mask(dev, 0x61c448 + or, 0x00000003, 0x00000000);
+ }
+}
+
+static void
+nouveau_audio_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode)
+{
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct nouveau_connector *nv_connector;
+ struct drm_device *dev = encoder->dev;
+ u32 or = nv_encoder->or * 0x800;
+ int i;
+
+ nv_connector = nouveau_encoder_connector_get(nv_encoder);
+ if (!drm_detect_monitor_audio(nv_connector->edid)) {
+ nouveau_audio_disconnect(encoder);
+ return;
+ }
+
+ if (hdmi_sor(encoder)) {
+ nv_mask(dev, 0x61c448 + or, 0x00000001, 0x00000001);
+
+ drm_edid_to_eld(&nv_connector->base, nv_connector->edid);
+ if (nv_connector->base.eld[0]) {
+ u8 *eld = nv_connector->base.eld;
+ for (i = 0; i < eld[2] * 4; i++)
+ nv_wr32(dev, 0x61c440 + or, (i << 8) | eld[i]);
+ for (i = eld[2] * 4; i < 0x60; i++)
+ nv_wr32(dev, 0x61c440 + or, (i << 8) | 0x00);
+ nv_mask(dev, 0x61c448 + or, 0x00000002, 0x00000002);
+ }
+ }
+}
+
+static void
+nouveau_hdmi_infoframe(struct drm_encoder *encoder, u32 ctrl, u8 *frame)
+{
+ /* calculate checksum for the infoframe */
+ u8 sum = 0, i;
+ for (i = 0; i < frame[2]; i++)
+ sum += frame[i];
+ frame[3] = 256 - sum;
+
+ /* disable infoframe, and write header */
+ hdmi_mask(encoder, ctrl + 0x00, 0x00000001, 0x00000000);
+ hdmi_wr32(encoder, ctrl + 0x08, *(u32 *)frame & 0xffffff);
+
+ /* register scans tell me the audio infoframe has only one set of
+ * subpack regs, according to tegra (gee nvidia, it'd be nice if we
+ * could get those docs too!), the hdmi block pads out the rest of
+ * the packet on its own.
+ */
+ if (ctrl == 0x020)
+ frame[2] = 6;
+
+ /* write out checksum and data, weird weird 7 byte register pairs */
+ for (i = 0; i < frame[2] + 1; i += 7) {
+ u32 rsubpack = ctrl + 0x0c + ((i / 7) * 8);
+ u32 *subpack = (u32 *)&frame[3 + i];
+ hdmi_wr32(encoder, rsubpack + 0, subpack[0]);
+ hdmi_wr32(encoder, rsubpack + 4, subpack[1] & 0xffffff);
+ }
+
+ /* enable the infoframe */
+ hdmi_mask(encoder, ctrl, 0x00000001, 0x00000001);
+}
+
+static void
+nouveau_hdmi_video_infoframe(struct drm_encoder *encoder,
+ struct drm_display_mode *mode)
+{
+ const u8 Y = 0, A = 0, B = 0, S = 0, C = 0, M = 0, R = 0;
+ const u8 ITC = 0, EC = 0, Q = 0, SC = 0, VIC = 0, PR = 0;
+ const u8 bar_top = 0, bar_bottom = 0, bar_left = 0, bar_right = 0;
+ u8 frame[20];
+
+ frame[0x00] = 0x82; /* AVI infoframe */
+ frame[0x01] = 0x02; /* version */
+ frame[0x02] = 0x0d; /* length */
+ frame[0x03] = 0x00;
+ frame[0x04] = (Y << 5) | (A << 4) | (B << 2) | S;
+ frame[0x05] = (C << 6) | (M << 4) | R;
+ frame[0x06] = (ITC << 7) | (EC << 4) | (Q << 2) | SC;
+ frame[0x07] = VIC;
+ frame[0x08] = PR;
+ frame[0x09] = bar_top & 0xff;
+ frame[0x0a] = bar_top >> 8;
+ frame[0x0b] = bar_bottom & 0xff;
+ frame[0x0c] = bar_bottom >> 8;
+ frame[0x0d] = bar_left & 0xff;
+ frame[0x0e] = bar_left >> 8;
+ frame[0x0f] = bar_right & 0xff;
+ frame[0x10] = bar_right >> 8;
+ frame[0x11] = 0x00;
+ frame[0x12] = 0x00;
+ frame[0x13] = 0x00;
+
+ nouveau_hdmi_infoframe(encoder, 0x020, frame);
+}
+
+static void
+nouveau_hdmi_audio_infoframe(struct drm_encoder *encoder,
+ struct drm_display_mode *mode)
+{
+ const u8 CT = 0x00, CC = 0x01, ceaSS = 0x00, SF = 0x00, FMT = 0x00;
+ const u8 CA = 0x00, DM_INH = 0, LSV = 0x00;
+ u8 frame[12];
+
+ frame[0x00] = 0x84; /* Audio infoframe */
+ frame[0x01] = 0x01; /* version */
+ frame[0x02] = 0x0a; /* length */
+ frame[0x03] = 0x00;
+ frame[0x04] = (CT << 4) | CC;
+ frame[0x05] = (SF << 2) | ceaSS;
+ frame[0x06] = FMT;
+ frame[0x07] = CA;
+ frame[0x08] = (DM_INH << 7) | (LSV << 3);
+ frame[0x09] = 0x00;
+ frame[0x0a] = 0x00;
+ frame[0x0b] = 0x00;
+
+ nouveau_hdmi_infoframe(encoder, 0x000, frame);
+}
+
+static void
+nouveau_hdmi_disconnect(struct drm_encoder *encoder)
+{
+ nouveau_audio_disconnect(encoder);
+
+ /* disable audio and avi infoframes */
+ hdmi_mask(encoder, 0x000, 0x00000001, 0x00000000);
+ hdmi_mask(encoder, 0x020, 0x00000001, 0x00000000);
+
+ /* disable hdmi */
+ hdmi_mask(encoder, 0x0a4, 0x40000000, 0x00000000);
+}
+
+void
+nouveau_hdmi_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode)
+{
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct nouveau_connector *nv_connector;
+ struct drm_device *dev = encoder->dev;
+ u32 max_ac_packet, rekey;
+
+ nv_connector = nouveau_encoder_connector_get(nv_encoder);
+ if (!mode || !nv_connector || !nv_connector->edid ||
+ !drm_detect_hdmi_monitor(nv_connector->edid)) {
+ nouveau_hdmi_disconnect(encoder);
+ return;
+ }
+
+ nouveau_hdmi_video_infoframe(encoder, mode);
+ nouveau_hdmi_audio_infoframe(encoder, mode);
+
+ hdmi_mask(encoder, 0x0d0, 0x00070001, 0x00010001); /* SPARE, HW_CTS */
+ hdmi_mask(encoder, 0x068, 0x00010101, 0x00000000); /* ACR_CTRL, ?? */
+ hdmi_mask(encoder, 0x078, 0x80000000, 0x80000000); /* ACR_0441_ENABLE */
+
+ nv_mask(dev, 0x61733c, 0x00100000, 0x00100000); /* RESETF */
+ nv_mask(dev, 0x61733c, 0x10000000, 0x10000000); /* LOOKUP_EN */
+ nv_mask(dev, 0x61733c, 0x00100000, 0x00000000); /* !RESETF */
+
+ /* value matches nvidia binary driver, and tegra constant */
+ rekey = 56;
+
+ max_ac_packet = mode->htotal - mode->hdisplay;
+ max_ac_packet -= rekey;
+ max_ac_packet -= 18; /* constant from tegra */
+ max_ac_packet /= 32;
+
+ /* enable hdmi */
+ hdmi_mask(encoder, 0x0a4, 0x5f1f003f, 0x40000000 | /* enable */
+ 0x1f000000 | /* unknown */
+ max_ac_packet << 16 |
+ rekey);
+
+ nouveau_audio_mode_set(encoder, mode);
+}
View
2  pscnv/nv50_sor.c
@@ -61,6 +61,7 @@ nv50_sor_disconnect(struct drm_encoder *encoder)
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;
}
@@ -206,6 +207,7 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
mode_ctl = 0x0500;
} else
mode_ctl = 0x0200;
+ nouveau_hdmi_mode_set(encoder, mode);
break;
case OUTPUT_DP:
mode_ctl |= (nv_encoder->dp.mc_unknown << 16);
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