drm/nv50-/disp: add method descriptions for debugging
Lists of known methods for the DMA channel classes, and mappings to
their priv register addresses (where known).
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index 867852b..3b70868 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -226,6 +226,177 @@
* EVO master channel object
******************************************************************************/
+static void
+nv50_disp_mthd_list(struct nv50_disp_priv *priv, int debug, u32 base, int c,
+ const struct nv50_disp_mthd_list *list, int inst)
+{
+ struct nouveau_object *disp = nv_object(priv);
+ int i;
+
+ for (i = 0; list->data[i].mthd; i++) {
+ if (list->data[i].addr) {
+ u32 next = nv_rd32(priv, list->data[i].addr + base + 0);
+ u32 prev = nv_rd32(priv, list->data[i].addr + base + c);
+ u32 mthd = list->data[i].mthd + (list->mthd * inst);
+ const char *name = list->data[i].name;
+ char mods[16];
+
+ if (prev != next)
+ snprintf(mods, sizeof(mods), "-> 0x%08x", next);
+ else
+ snprintf(mods, sizeof(mods), "%13c", ' ');
+
+ nv_printk_(disp, debug, "\t0x%04x: 0x%08x %s%s%s\n",
+ mthd, prev, mods, name ? " // " : "",
+ name ? name : "");
+ }
+ }
+}
+
+void
+nv50_disp_mthd_chan(struct nv50_disp_priv *priv, int debug, int head,
+ const struct nv50_disp_mthd_chan *chan)
+{
+ struct nouveau_object *disp = nv_object(priv);
+ const struct nv50_disp_impl *impl = (void *)disp->oclass;
+ const struct nv50_disp_mthd_list *list;
+ int i, j;
+
+ if (debug > nv_subdev(priv)->debug)
+ return;
+
+ for (i = 0; (list = chan->data[i].mthd) != NULL; i++) {
+ u32 base = head * chan->addr;
+ for (j = 0; j < chan->data[i].nr; j++, base += list->addr) {
+ const char *cname = chan->name;
+ const char *sname = "";
+ char cname_[16], sname_[16];
+
+ if (chan->addr) {
+ snprintf(cname_, sizeof(cname_), "%s %d",
+ chan->name, head);
+ cname = cname_;
+ }
+
+ if (chan->data[i].nr > 1) {
+ snprintf(sname_, sizeof(sname_), " - %s %d",
+ chan->data[i].name, j);
+ sname = sname_;
+ }
+
+ nv_printk_(disp, debug, "%s%s:\n", cname, sname);
+ nv50_disp_mthd_list(priv, debug, base, impl->mthd.prev,
+ list, j);
+ }
+ }
+}
+
+const struct nv50_disp_mthd_list
+nv50_disp_mast_mthd_base = {
+ .mthd = 0x0000,
+ .addr = 0x000000,
+ .data = {
+ { 0x0080, 0x000000 },
+ { 0x0084, 0x610bb8 },
+ { 0x0088, 0x610b9c },
+ { 0x008c, 0x000000 },
+ {}
+ }
+};
+
+static const struct nv50_disp_mthd_list
+nv50_disp_mast_mthd_dac = {
+ .mthd = 0x0080,
+ .addr = 0x000008,
+ .data = {
+ { 0x0400, 0x610b58 },
+ { 0x0404, 0x610bdc },
+ { 0x0420, 0x610828 },
+ {}
+ }
+};
+
+const struct nv50_disp_mthd_list
+nv50_disp_mast_mthd_sor = {
+ .mthd = 0x0040,
+ .addr = 0x000008,
+ .data = {
+ { 0x0600, 0x610b70 },
+ {}
+ }
+};
+
+const struct nv50_disp_mthd_list
+nv50_disp_mast_mthd_pior = {
+ .mthd = 0x0040,
+ .addr = 0x000008,
+ .data = {
+ { 0x0700, 0x610b80 },
+ {}
+ }
+};
+
+static const struct nv50_disp_mthd_list
+nv50_disp_mast_mthd_head = {
+ .mthd = 0x0400,
+ .addr = 0x000540,
+ .data = {
+ { 0x0800, 0x610ad8 },
+ { 0x0804, 0x610ad0 },
+ { 0x0808, 0x610a48 },
+ { 0x080c, 0x610a78 },
+ { 0x0810, 0x610ac0 },
+ { 0x0814, 0x610af8 },
+ { 0x0818, 0x610b00 },
+ { 0x081c, 0x610ae8 },
+ { 0x0820, 0x610af0 },
+ { 0x0824, 0x610b08 },
+ { 0x0828, 0x610b10 },
+ { 0x082c, 0x610a68 },
+ { 0x0830, 0x610a60 },
+ { 0x0834, 0x000000 },
+ { 0x0838, 0x610a40 },
+ { 0x0840, 0x610a24 },
+ { 0x0844, 0x610a2c },
+ { 0x0848, 0x610aa8 },
+ { 0x084c, 0x610ab0 },
+ { 0x0860, 0x610a84 },
+ { 0x0864, 0x610a90 },
+ { 0x0868, 0x610b18 },
+ { 0x086c, 0x610b20 },
+ { 0x0870, 0x610ac8 },
+ { 0x0874, 0x610a38 },
+ { 0x0880, 0x610a58 },
+ { 0x0884, 0x610a9c },
+ { 0x08a0, 0x610a70 },
+ { 0x08a4, 0x610a50 },
+ { 0x08a8, 0x610ae0 },
+ { 0x08c0, 0x610b28 },
+ { 0x08c4, 0x610b30 },
+ { 0x08c8, 0x610b40 },
+ { 0x08d4, 0x610b38 },
+ { 0x08d8, 0x610b48 },
+ { 0x08dc, 0x610b50 },
+ { 0x0900, 0x610a18 },
+ { 0x0904, 0x610ab8 },
+ {}
+ }
+};
+
+static const struct nv50_disp_mthd_chan
+nv50_disp_mast_mthd_chan = {
+ .name = "Core",
+ .addr = 0x000000,
+ .data = {
+ { "Global", 1, &nv50_disp_mast_mthd_base },
+ { "DAC", 3, &nv50_disp_mast_mthd_dac },
+ { "SOR", 2, &nv50_disp_mast_mthd_sor },
+ { "PIOR", 3, &nv50_disp_mast_mthd_pior },
+ { "HEAD", 2, &nv50_disp_mast_mthd_head },
+ {}
+ }
+};
+
static int
nv50_disp_mast_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
@@ -322,6 +493,56 @@
* EVO sync channel objects
******************************************************************************/
+static const struct nv50_disp_mthd_list
+nv50_disp_sync_mthd_base = {
+ .mthd = 0x0000,
+ .addr = 0x000000,
+ .data = {
+ { 0x0080, 0x000000 },
+ { 0x0084, 0x0008c4 },
+ { 0x0088, 0x0008d0 },
+ { 0x008c, 0x0008dc },
+ { 0x0090, 0x0008e4 },
+ { 0x0094, 0x610884 },
+ { 0x00a0, 0x6108a0 },
+ { 0x00a4, 0x610878 },
+ { 0x00c0, 0x61086c },
+ { 0x00e0, 0x610858 },
+ { 0x00e4, 0x610860 },
+ { 0x00e8, 0x6108ac },
+ { 0x00ec, 0x6108b4 },
+ { 0x0100, 0x610894 },
+ { 0x0110, 0x6108bc },
+ { 0x0114, 0x61088c },
+ {}
+ }
+};
+
+const struct nv50_disp_mthd_list
+nv50_disp_sync_mthd_image = {
+ .mthd = 0x0400,
+ .addr = 0x000000,
+ .data = {
+ { 0x0800, 0x6108f0 },
+ { 0x0804, 0x6108fc },
+ { 0x0808, 0x61090c },
+ { 0x080c, 0x610914 },
+ { 0x0810, 0x610904 },
+ {}
+ }
+};
+
+static const struct nv50_disp_mthd_chan
+nv50_disp_sync_mthd_chan = {
+ .name = "Base",
+ .addr = 0x000540,
+ .data = {
+ { "Global", 1, &nv50_disp_sync_mthd_base },
+ { "Image", 2, &nv50_disp_sync_mthd_image },
+ {}
+ }
+};
+
static int
nv50_disp_sync_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
@@ -361,6 +582,44 @@
* EVO overlay channel objects
******************************************************************************/
+const struct nv50_disp_mthd_list
+nv50_disp_ovly_mthd_base = {
+ .mthd = 0x0000,
+ .addr = 0x000000,
+ .data = {
+ { 0x0080, 0x000000 },
+ { 0x0084, 0x0009a0 },
+ { 0x0088, 0x0009c0 },
+ { 0x008c, 0x0009c8 },
+ { 0x0090, 0x6109b4 },
+ { 0x0094, 0x610970 },
+ { 0x00a0, 0x610998 },
+ { 0x00a4, 0x610964 },
+ { 0x00c0, 0x610958 },
+ { 0x00e0, 0x6109a8 },
+ { 0x00e4, 0x6109d0 },
+ { 0x00e8, 0x6109d8 },
+ { 0x0100, 0x61094c },
+ { 0x0104, 0x610984 },
+ { 0x0108, 0x61098c },
+ { 0x0800, 0x6109f8 },
+ { 0x0808, 0x610a08 },
+ { 0x080c, 0x610a10 },
+ { 0x0810, 0x610a00 },
+ {}
+ }
+};
+
+static const struct nv50_disp_mthd_chan
+nv50_disp_ovly_mthd_chan = {
+ .name = "Overlay",
+ .addr = 0x000540,
+ .data = {
+ { "Global", 1, &nv50_disp_ovly_mthd_base },
+ {}
+ }
+};
+
static int
nv50_disp_ovly_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
@@ -1376,4 +1635,8 @@
.init = _nouveau_disp_init,
.fini = _nouveau_disp_fini,
},
+ .mthd.core = &nv50_disp_mast_mthd_chan,
+ .mthd.base = &nv50_disp_sync_mthd_chan,
+ .mthd.ovly = &nv50_disp_ovly_mthd_chan,
+ .mthd.prev = 0x000004,
}.base.base;