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drm/nouveau: Clean up the nv17-nv4x load detection code a bit. 

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Francisco Jerez 2009-12-17 18:52:44 +01:00 committed by Ben Skeggs
parent 3033f14d65
commit 11d6eb2af5
3 changed files with 38 additions and 32 deletions
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6
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -1074,8 +1074,7 @@ extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
/* nv04_dac.c */
extern int nv04_dac_create(struct drm_device *dev, struct dcb_entry *entry);
extern enum drm_connector_status nv17_dac_detect(struct drm_encoder *encoder,
struct drm_connector *connector);
extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
extern int nv04_dac_output_offset(struct drm_encoder *encoder);
extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
@ -1093,9 +1092,6 @@ extern int nv04_tv_create(struct drm_device *dev, struct dcb_entry *entry);
/* nv17_tv.c */
extern int nv17_tv_create(struct drm_device *dev, struct dcb_entry *entry);
extern enum drm_connector_status nv17_tv_detect(struct drm_encoder *encoder,
struct drm_connector *connector,
uint32_t pin_mask);
/* nv04_display.c */
extern int nv04_display_create(struct drm_device *);

37
drivers/gpu/drm/nouveau/nv04_dac.c
View File

@ -212,16 +212,15 @@ static enum drm_connector_status nv04_dac_detect(struct drm_encoder *encoder,
return connector_status_disconnected;
}
enum drm_connector_status nv17_dac_detect(struct drm_encoder *encoder,
struct drm_connector *connector)
uint32_t nv17_dac_sample_load(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct dcb_entry *dcb = nouveau_encoder(encoder)->dcb;
uint32_t testval, regoffset = nv04_dac_output_offset(encoder);
uint32_t sample, testval, regoffset = nv04_dac_output_offset(encoder);
uint32_t saved_powerctrl_2 = 0, saved_powerctrl_4 = 0, saved_routput,
saved_rtest_ctrl, saved_gpio0, saved_gpio1, temp, routput;
int head, present = 0;
int head;
#define RGB_TEST_DATA(r, g, b) (r << 0 | g << 10 | b << 20)
if (dcb->type == OUTPUT_TV) {
@ -287,13 +286,7 @@ enum drm_connector_status nv17_dac_detect(struct drm_encoder *encoder,
temp | NV_PRAMDAC_TEST_CONTROL_TP_INS_EN_ASSERTED);
msleep(5);
temp = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
if (dcb->type == OUTPUT_TV)
present = (nv17_tv_detect(encoder, connector, temp)
== connector_status_connected);
else
present = temp & NV_PRAMDAC_TEST_CONTROL_SENSEB_ALLHI;
sample = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
temp = NVReadRAMDAC(dev, head, NV_PRAMDAC_TEST_CONTROL);
NVWriteRAMDAC(dev, head, NV_PRAMDAC_TEST_CONTROL,
@ -310,14 +303,24 @@ enum drm_connector_status nv17_dac_detect(struct drm_encoder *encoder,
nv17_gpio_set(dev, DCB_GPIO_TVDAC1, saved_gpio1);
nv17_gpio_set(dev, DCB_GPIO_TVDAC0, saved_gpio0);
if (present) {
NV_INFO(dev, "Load detected on output %c\n", '@' + ffs(dcb->or));
return connector_status_connected;
}
return connector_status_disconnected;
return sample;
}
static enum drm_connector_status
nv17_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
{
struct drm_device *dev = encoder->dev;
struct dcb_entry *dcb = nouveau_encoder(encoder)->dcb;
uint32_t sample = nv17_dac_sample_load(encoder);
if (sample & NV_PRAMDAC_TEST_CONTROL_SENSEB_ALLHI) {
NV_INFO(dev, "Load detected on output %c\n",
'@' + ffs(dcb->or));
return connector_status_connected;
} else {
return connector_status_disconnected;
}
}
static bool nv04_dac_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *mode,

27
drivers/gpu/drm/nouveau/nv17_tv.c
View File

@ -33,13 +33,15 @@
#include "nouveau_hw.h"
#include "nv17_tv.h"
enum drm_connector_status nv17_tv_detect(struct drm_encoder *encoder,
struct drm_connector *connector,
uint32_t pin_mask)
static enum drm_connector_status
nv17_tv_detect(struct drm_encoder *encoder, struct drm_connector *connector)
{
struct drm_device *dev = encoder->dev;
struct drm_mode_config *conf = &dev->mode_config;
struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
struct dcb_entry *dcb = tv_enc->base.dcb;
tv_enc->pin_mask = pin_mask >> 28 & 0xe;
tv_enc->pin_mask = nv17_dac_sample_load(encoder) >> 28 & 0xe;
switch (tv_enc->pin_mask) {
case 0x2:
@ -50,7 +52,7 @@ enum drm_connector_status nv17_tv_detect(struct drm_encoder *encoder,
tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SVIDEO;
break;
case 0xe:
if (nouveau_encoder(encoder)->dcb->tvconf.has_component_output)
if (dcb->tvconf.has_component_output)
tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Component;
else
tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SCART;
@ -61,11 +63,16 @@ enum drm_connector_status nv17_tv_detect(struct drm_encoder *encoder,
}
drm_connector_property_set_value(connector,
encoder->dev->mode_config.tv_subconnector_property,
tv_enc->subconnector);
conf->tv_subconnector_property,
tv_enc->subconnector);
return tv_enc->subconnector ? connector_status_connected :
connector_status_disconnected;
if (tv_enc->subconnector) {
NV_INFO(dev, "Load detected on output %c\n",
'@' + ffs(dcb->or));
return connector_status_connected;
} else {
return connector_status_disconnected;
}
}
static const struct {
@ -633,7 +640,7 @@ static struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
.prepare = nv17_tv_prepare,
.commit = nv17_tv_commit,
.mode_set = nv17_tv_mode_set,
.detect = nv17_dac_detect,
.detect = nv17_tv_detect,
};
static struct drm_encoder_slave_funcs nv17_tv_slave_funcs = {