Commit 83fc083c authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nvd0/disp: start on SOR encoder functions


Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent efd272a7
......@@ -23,7 +23,9 @@
*/
#include <linux/dma-mapping.h>
#include "drmP.h"
#include "drm_crtc_helper.h"
#include "nouveau_drv.h"
#include "nouveau_connector.h"
......@@ -92,6 +94,12 @@ evo_kick(u32 *push, struct drm_device *dev, int id)
#define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
#define evo_data(p,d) *((p)++) = (d)
static struct drm_crtc *
nvd0_display_crtc_get(struct drm_encoder *encoder)
{
return nouveau_encoder(encoder)->crtc;
}
/******************************************************************************
* DAC
*****************************************************************************/
......@@ -99,6 +107,163 @@ evo_kick(u32 *push, struct drm_device *dev, int id)
/******************************************************************************
* SOR
*****************************************************************************/
static void
nvd0_sor_dpms(struct drm_encoder *encoder, int mode)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct drm_device *dev = encoder->dev;
struct drm_encoder *partner;
int or = nv_encoder->or;
u32 dpms_ctrl;
nv_encoder->last_dpms = mode;
list_for_each_entry(partner, &dev->mode_config.encoder_list, head) {
struct nouveau_encoder *nv_partner = nouveau_encoder(partner);
if (partner->encoder_type != DRM_MODE_ENCODER_TMDS)
continue;
if (nv_partner != nv_encoder &&
nv_partner->dcb->or == nv_encoder->or) {
if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
return;
break;
}
}
dpms_ctrl = (mode == DRM_MODE_DPMS_ON);
dpms_ctrl |= 0x80000000;
nv_wait(dev, 0x61c004 + (or * 0x0800), 0x80000000, 0x00000000);
nv_mask(dev, 0x61c004 + (or * 0x0800), 0x80000001, dpms_ctrl);
nv_wait(dev, 0x61c004 + (or * 0x0800), 0x80000000, 0x00000000);
nv_wait(dev, 0x61c030 + (or * 0x0800), 0x10000000, 0x00000000);
}
static bool
nvd0_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct nouveau_connector *nv_connector;
nv_connector = nouveau_encoder_connector_get(nv_encoder);
if (nv_connector && nv_connector->native_mode) {
if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
int id = adjusted_mode->base.id;
*adjusted_mode = *nv_connector->native_mode;
adjusted_mode->base.id = id;
}
}
return true;
}
static void
nvd0_sor_prepare(struct drm_encoder *encoder)
{
}
static void
nvd0_sor_commit(struct drm_encoder *encoder)
{
}
static void
nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
u32 mode_ctrl = (1 << nv_crtc->index);
u32 *push;
if (nv_encoder->dcb->sorconf.link & 1) {
if (adjusted_mode->clock < 165000)
mode_ctrl |= 0x00000100;
else
mode_ctrl |= 0x00000500;
} else {
mode_ctrl |= 0x00000200;
}
nvd0_sor_dpms(encoder, DRM_MODE_DPMS_ON);
push = evo_wait(encoder->dev, 0, 2);
if (push) {
evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
evo_data(push, mode_ctrl);
}
nv_encoder->crtc = encoder->crtc;
}
static void
nvd0_sor_disconnect(struct drm_encoder *encoder)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct drm_device *dev = encoder->dev;
if (nv_encoder->crtc) {
u32 *push = evo_wait(dev, 0, 4);
if (push) {
evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
evo_data(push, 0x00000000);
evo_mthd(push, 0x0080, 1);
evo_data(push, 0x00000000);
evo_kick(push, dev, 0);
}
nv_encoder->crtc = NULL;
nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
}
}
static void
nvd0_sor_destroy(struct drm_encoder *encoder)
{
drm_encoder_cleanup(encoder);
kfree(encoder);
}
static const struct drm_encoder_helper_funcs nvd0_sor_hfunc = {
.dpms = nvd0_sor_dpms,
.mode_fixup = nvd0_sor_mode_fixup,
.prepare = nvd0_sor_prepare,
.commit = nvd0_sor_commit,
.mode_set = nvd0_sor_mode_set,
.disable = nvd0_sor_disconnect,
.get_crtc = nvd0_display_crtc_get,
};
static const struct drm_encoder_funcs nvd0_sor_func = {
.destroy = nvd0_sor_destroy,
};
static int
nvd0_sor_create(struct drm_connector *connector, struct dcb_entry *dcbe)
{
struct drm_device *dev = connector->dev;
struct nouveau_encoder *nv_encoder;
struct drm_encoder *encoder;
nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
if (!nv_encoder)
return -ENOMEM;
nv_encoder->dcb = dcbe;
nv_encoder->or = ffs(dcbe->or) - 1;
nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
encoder = to_drm_encoder(nv_encoder);
encoder->possible_crtcs = dcbe->heads;
encoder->possible_clones = 0;
drm_encoder_init(dev, encoder, &nvd0_sor_func, DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(encoder, &nvd0_sor_hfunc);
drm_mode_connector_attach_encoder(connector, encoder);
return 0;
}
/******************************************************************************
* IRQ
......@@ -256,15 +421,51 @@ nvd0_display_create(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
struct dcb_table *dcb = &dev_priv->vbios.dcb;
struct drm_connector *connector, *tmp;
struct pci_dev *pdev = dev->pdev;
struct nvd0_display *disp;
int ret;
struct dcb_entry *dcbe;
int ret, i;
disp = kzalloc(sizeof(*disp), GFP_KERNEL);
if (!disp)
return -ENOMEM;
dev_priv->engine.display.priv = disp;
/* create encoder/connector objects based on VBIOS DCB table */
for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) {
connector = nouveau_connector_create(dev, dcbe->connector);
if (IS_ERR(connector))
continue;
if (dcbe->location != DCB_LOC_ON_CHIP) {
NV_WARN(dev, "skipping off-chip encoder %d/%d\n",
dcbe->type, ffs(dcbe->or) - 1);
continue;
}
switch (dcbe->type) {
case OUTPUT_TMDS:
nvd0_sor_create(connector, dcbe);
break;
default:
NV_WARN(dev, "skipping unsupported encoder %d/%d\n",
dcbe->type, ffs(dcbe->or) - 1);
continue;
}
}
/* cull any connectors we created that don't have an encoder */
list_for_each_entry_safe(connector, tmp, &dev->mode_config.connector_list, head) {
if (connector->encoder_ids[0])
continue;
NV_WARN(dev, "%s has no encoders, removing\n",
drm_get_connector_name(connector));
connector->funcs->destroy(connector);
}
/* setup interrupt handling */
nouveau_irq_register(dev, 26, nvd0_display_intr);
......
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