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path: root/drivers/gpu/drm/tegra/sor.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/sor.c')
-rw-r--r--drivers/gpu/drm/tegra/sor.c67
1 files changed, 29 insertions, 38 deletions
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index ef8692b7075a..40057106f5f3 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -19,8 +19,6 @@
#include <soc/tegra/pmc.h>
-#include <sound/hda_verbs.h>
-
#include <drm/drm_atomic_helper.h>
#include <drm/drm_dp_helper.h>
#include <drm/drm_panel.h>
@@ -28,6 +26,7 @@
#include "dc.h"
#include "drm.h"
+#include "hda.h"
#include "sor.h"
#include "trace.h"
@@ -411,6 +410,8 @@ struct tegra_sor {
struct clk *clk_dp;
struct clk *clk;
+ u8 xbar_cfg[5];
+
struct drm_dp_aux *aux;
struct drm_info_list *debugfs_files;
@@ -429,10 +430,7 @@ struct tegra_sor {
struct delayed_work scdc;
bool scdc_enabled;
- struct {
- unsigned int sample_rate;
- unsigned int channels;
- } audio;
+ struct tegra_hda_format format;
};
struct tegra_sor_state {
@@ -1818,7 +1816,7 @@ static void tegra_sor_edp_enable(struct drm_encoder *encoder)
/* XXX not in TRM */
for (value = 0, i = 0; i < 5; i++)
- value |= SOR_XBAR_CTRL_LINK0_XSEL(i, sor->soc->xbar_cfg[i]) |
+ value |= SOR_XBAR_CTRL_LINK0_XSEL(i, sor->xbar_cfg[i]) |
SOR_XBAR_CTRL_LINK1_XSEL(i, i);
tegra_sor_writel(sor, 0x00000000, SOR_XBAR_POL);
@@ -2116,7 +2114,8 @@ tegra_sor_hdmi_setup_avi_infoframe(struct tegra_sor *sor,
value &= ~INFOFRAME_CTRL_ENABLE;
tegra_sor_writel(sor, value, SOR_HDMI_AVI_INFOFRAME_CTRL);
- err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
+ err = drm_hdmi_avi_infoframe_from_display_mode(&frame,
+ &sor->output.connector, mode);
if (err < 0) {
dev_err(sor->dev, "failed to setup AVI infoframe: %d\n", err);
return err;
@@ -2185,7 +2184,7 @@ static int tegra_sor_hdmi_enable_audio_infoframe(struct tegra_sor *sor)
return err;
}
- frame.channels = sor->audio.channels;
+ frame.channels = sor->format.channels;
err = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer));
if (err < 0) {
@@ -2214,7 +2213,7 @@ static void tegra_sor_hdmi_audio_enable(struct tegra_sor *sor)
value |= SOR_AUDIO_CNTRL_SOURCE_SELECT(SOURCE_SELECT_HDA);
/* inject null samples */
- if (sor->audio.channels != 2)
+ if (sor->format.channels != 2)
value &= ~SOR_AUDIO_CNTRL_INJECT_NULLSMPL;
else
value |= SOR_AUDIO_CNTRL_INJECT_NULLSMPL;
@@ -2245,7 +2244,7 @@ static void tegra_sor_hdmi_audio_enable(struct tegra_sor *sor)
value = SOR_HDMI_AUDIO_N_RESET | SOR_HDMI_AUDIO_N_LOOKUP;
tegra_sor_writel(sor, value, SOR_HDMI_AUDIO_N);
- value = (24000 * 4096) / (128 * sor->audio.sample_rate / 1000);
+ value = (24000 * 4096) / (128 * sor->format.sample_rate / 1000);
tegra_sor_writel(sor, value, SOR_AUDIO_AVAL_0320);
tegra_sor_writel(sor, 4096, SOR_AUDIO_NVAL_0320);
@@ -2258,15 +2257,15 @@ static void tegra_sor_hdmi_audio_enable(struct tegra_sor *sor)
tegra_sor_writel(sor, 20000, SOR_AUDIO_AVAL_1764);
tegra_sor_writel(sor, 18816, SOR_AUDIO_NVAL_1764);
- value = (24000 * 6144) / (128 * sor->audio.sample_rate / 1000);
+ value = (24000 * 6144) / (128 * sor->format.sample_rate / 1000);
tegra_sor_writel(sor, value, SOR_AUDIO_AVAL_0480);
tegra_sor_writel(sor, 6144, SOR_AUDIO_NVAL_0480);
- value = (24000 * 12288) / (128 * sor->audio.sample_rate / 1000);
+ value = (24000 * 12288) / (128 * sor->format.sample_rate / 1000);
tegra_sor_writel(sor, value, SOR_AUDIO_AVAL_0960);
tegra_sor_writel(sor, 12288, SOR_AUDIO_NVAL_0960);
- value = (24000 * 24576) / (128 * sor->audio.sample_rate / 1000);
+ value = (24000 * 24576) / (128 * sor->format.sample_rate / 1000);
tegra_sor_writel(sor, value, SOR_AUDIO_AVAL_1920);
tegra_sor_writel(sor, 24576, SOR_AUDIO_NVAL_1920);
@@ -2554,7 +2553,7 @@ static void tegra_sor_hdmi_enable(struct drm_encoder *encoder)
/* XXX not in TRM */
for (value = 0, i = 0; i < 5; i++)
- value |= SOR_XBAR_CTRL_LINK0_XSEL(i, sor->soc->xbar_cfg[i]) |
+ value |= SOR_XBAR_CTRL_LINK0_XSEL(i, sor->xbar_cfg[i]) |
SOR_XBAR_CTRL_LINK1_XSEL(i, i);
tegra_sor_writel(sor, 0x00000000, SOR_XBAR_POL);
@@ -3175,6 +3174,8 @@ MODULE_DEVICE_TABLE(of, tegra_sor_of_match);
static int tegra_sor_parse_dt(struct tegra_sor *sor)
{
struct device_node *np = sor->dev->of_node;
+ u32 xbar_cfg[5];
+ unsigned int i;
u32 value;
int err;
@@ -3192,25 +3193,18 @@ static int tegra_sor_parse_dt(struct tegra_sor *sor)
sor->pad = TEGRA_IO_PAD_HDMI_DP0 + sor->index;
}
- return 0;
-}
-
-static void tegra_hda_parse_format(unsigned int format, unsigned int *rate,
- unsigned int *channels)
-{
- unsigned int mul, div;
-
- if (format & AC_FMT_BASE_44K)
- *rate = 44100;
- else
- *rate = 48000;
-
- mul = (format & AC_FMT_MULT_MASK) >> AC_FMT_MULT_SHIFT;
- div = (format & AC_FMT_DIV_MASK) >> AC_FMT_DIV_SHIFT;
-
- *rate = *rate * (mul + 1) / (div + 1);
+ err = of_property_read_u32_array(np, "nvidia,xbar-cfg", xbar_cfg, 5);
+ if (err < 0) {
+ /* fall back to default per-SoC XBAR configuration */
+ for (i = 0; i < 5; i++)
+ sor->xbar_cfg[i] = sor->soc->xbar_cfg[i];
+ } else {
+ /* copy cells to SOR XBAR configuration */
+ for (i = 0; i < 5; i++)
+ sor->xbar_cfg[i] = xbar_cfg[i];
+ }
- *channels = (format & AC_FMT_CHAN_MASK) >> AC_FMT_CHAN_SHIFT;
+ return 0;
}
static irqreturn_t tegra_sor_irq(int irq, void *data)
@@ -3225,14 +3219,11 @@ static irqreturn_t tegra_sor_irq(int irq, void *data)
value = tegra_sor_readl(sor, SOR_AUDIO_HDA_CODEC_SCRATCH0);
if (value & SOR_AUDIO_HDA_CODEC_SCRATCH0_VALID) {
- unsigned int format, sample_rate, channels;
+ unsigned int format;
format = value & SOR_AUDIO_HDA_CODEC_SCRATCH0_FMT_MASK;
- tegra_hda_parse_format(format, &sample_rate, &channels);
-
- sor->audio.sample_rate = sample_rate;
- sor->audio.channels = channels;
+ tegra_hda_parse_format(format, &sor->format);
tegra_sor_hdmi_audio_enable(sor);
} else {