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Message-ID: <1377704922-2824-2-git-send-email-mperttunen@nvidia.com>
Date: Wed, 28 Aug 2013 18:48:37 +0300
From: Mikko Perttunen <mperttunen@...dia.com>
To: <thierry.reding@...il.com>
CC: <tbergstrom@...dia.com>, <dri-devel@...ts.freedesktop.org>,
<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Mikko Perttunen <mperttunen@...dia.com>
Subject: [PATCH v2 1/6] host1x: hdmi: Add Tegra114 support
Add Tegra114 TMDS configuration, add new peak_current field and
use new place for drive current override bit on Tegra114 platform.
Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
---
drivers/gpu/host1x/dev.c | 1 +
drivers/gpu/host1x/drm/drm.c | 1 +
drivers/gpu/host1x/drm/hdmi.c | 102 +++++++++++++++++++++++++++-
drivers/gpu/host1x/drm/hdmi.h | 152 ++++++++++++++++++++++++++++++++++++++++++
4 files changed, 253 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index 28e28a2..421d469 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -80,6 +80,7 @@ static const struct host1x_info host1x01_info = {
};
static struct of_device_id host1x_of_match[] = {
+ { .compatible = "nvidia,tegra114-host1x", .data = &host1x01_info, },
{ .compatible = "nvidia,tegra30-host1x", .data = &host1x01_info, },
{ .compatible = "nvidia,tegra20-host1x", .data = &host1x01_info, },
{ },
diff --git a/drivers/gpu/host1x/drm/drm.c b/drivers/gpu/host1x/drm/drm.c
index 8c61cee..37f5166 100644
--- a/drivers/gpu/host1x/drm/drm.c
+++ b/drivers/gpu/host1x/drm/drm.c
@@ -88,6 +88,7 @@ static int host1x_parse_dt(struct host1x_drm *host1x)
"nvidia,tegra30-dc",
"nvidia,tegra30-hdmi",
"nvidia,tegra30-gr2d",
+ "nvidia,tegra114-hdmi",
};
unsigned int i;
int err;
diff --git a/drivers/gpu/host1x/drm/hdmi.c b/drivers/gpu/host1x/drm/hdmi.c
index 01097da..d81fac8 100644
--- a/drivers/gpu/host1x/drm/hdmi.c
+++ b/drivers/gpu/host1x/drm/hdmi.c
@@ -149,6 +149,7 @@ struct tmds_config {
u32 pll1;
u32 pe_current;
u32 drive_current;
+ u32 peak_current;
};
static const struct tmds_config tegra2_tmds_config[] = {
@@ -230,6 +231,85 @@ static const struct tmds_config tegra3_tmds_config[] = {
},
};
+const struct tmds_config tegra114_tmds_config[] = {
+ { /* 480p/576p / 25.2MHz/27MHz modes */
+ .pclk = 27000000,
+ .pll0 = SOR_PLL_ICHPMP(1) | SOR_PLL_BG_V17_S(3) |
+ SOR_PLL_VCOCAP(0) | SOR_PLL_RESISTORSEL,
+ .pll1 = SOR_PLL_LOADADJ(3) | SOR_PLL_TMDS_TERMADJ(0),
+ .pe_current = PE_CURRENT0(PE_CURRENT_0_mA_T114) |
+ PE_CURRENT1(PE_CURRENT_0_mA_T114) |
+ PE_CURRENT2(PE_CURRENT_0_mA_T114) |
+ PE_CURRENT3(PE_CURRENT_0_mA_T114),
+ .drive_current =
+ DRIVE_CURRENT_LANE0_T114(DRIVE_CURRENT_10_400_mA_T114) |
+ DRIVE_CURRENT_LANE1_T114(DRIVE_CURRENT_10_400_mA_T114) |
+ DRIVE_CURRENT_LANE2_T114(DRIVE_CURRENT_10_400_mA_T114) |
+ DRIVE_CURRENT_LANE3_T114(DRIVE_CURRENT_10_400_mA_T114),
+ .peak_current = PEAK_CURRENT_LANE0(PEAK_CURRENT_0_000_mA) |
+ PEAK_CURRENT_LANE1(PEAK_CURRENT_0_000_mA) |
+ PEAK_CURRENT_LANE2(PEAK_CURRENT_0_000_mA) |
+ PEAK_CURRENT_LANE3(PEAK_CURRENT_0_000_mA),
+ }, { /* 720p / 74.25MHz modes */
+ .pclk = 74250000,
+ .pll0 = SOR_PLL_ICHPMP(1) | SOR_PLL_BG_V17_S(3) |
+ SOR_PLL_VCOCAP(1) | SOR_PLL_RESISTORSEL,
+ .pll1 = SOR_PLL_PE_EN | SOR_PLL_LOADADJ(3) |
+ SOR_PLL_TMDS_TERMADJ(0),
+ .pe_current = PE_CURRENT0(PE_CURRENT_15_mA_T114) |
+ PE_CURRENT1(PE_CURRENT_15_mA_T114) |
+ PE_CURRENT2(PE_CURRENT_15_mA_T114) |
+ PE_CURRENT3(PE_CURRENT_15_mA_T114),
+ .drive_current =
+ DRIVE_CURRENT_LANE0_T114(DRIVE_CURRENT_10_400_mA_T114) |
+ DRIVE_CURRENT_LANE1_T114(DRIVE_CURRENT_10_400_mA_T114) |
+ DRIVE_CURRENT_LANE2_T114(DRIVE_CURRENT_10_400_mA_T114) |
+ DRIVE_CURRENT_LANE3_T114(DRIVE_CURRENT_10_400_mA_T114),
+ .peak_current = PEAK_CURRENT_LANE0(PEAK_CURRENT_0_000_mA) |
+ PEAK_CURRENT_LANE1(PEAK_CURRENT_0_000_mA) |
+ PEAK_CURRENT_LANE2(PEAK_CURRENT_0_000_mA) |
+ PEAK_CURRENT_LANE3(PEAK_CURRENT_0_000_mA),
+ }, { /* 1080p / 148.5MHz modes */
+ .pclk = 148500000,
+ .pll0 = SOR_PLL_ICHPMP(1) | SOR_PLL_BG_V17_S(3) |
+ SOR_PLL_VCOCAP(3) | SOR_PLL_RESISTORSEL,
+ .pll1 = SOR_PLL_PE_EN | SOR_PLL_LOADADJ(3) |
+ SOR_PLL_TMDS_TERMADJ(0),
+ .pe_current = PE_CURRENT0(PE_CURRENT_10_mA_T114) |
+ PE_CURRENT1(PE_CURRENT_10_mA_T114) |
+ PE_CURRENT2(PE_CURRENT_10_mA_T114) |
+ PE_CURRENT3(PE_CURRENT_10_mA_T114),
+ .drive_current =
+ DRIVE_CURRENT_LANE0_T114(DRIVE_CURRENT_12_400_mA_T114) |
+ DRIVE_CURRENT_LANE1_T114(DRIVE_CURRENT_12_400_mA_T114) |
+ DRIVE_CURRENT_LANE2_T114(DRIVE_CURRENT_12_400_mA_T114) |
+ DRIVE_CURRENT_LANE3_T114(DRIVE_CURRENT_12_400_mA_T114),
+ .peak_current = PEAK_CURRENT_LANE0(PEAK_CURRENT_0_000_mA) |
+ PEAK_CURRENT_LANE1(PEAK_CURRENT_0_000_mA) |
+ PEAK_CURRENT_LANE2(PEAK_CURRENT_0_000_mA) |
+ PEAK_CURRENT_LANE3(PEAK_CURRENT_0_000_mA),
+ }, { /* 225/297MHz modes */
+ .pclk = UINT_MAX,
+ .pll0 = SOR_PLL_ICHPMP(1) | SOR_PLL_BG_V17_S(3) |
+ SOR_PLL_VCOCAP(0xf) | SOR_PLL_RESISTORSEL,
+ .pll1 = SOR_PLL_LOADADJ(3) | SOR_PLL_TMDS_TERMADJ(7)
+ | SOR_PLL_TMDS_TERM_ENABLE,
+ .pe_current = PE_CURRENT0(PE_CURRENT_0_mA_T114) |
+ PE_CURRENT1(PE_CURRENT_0_mA_T114) |
+ PE_CURRENT2(PE_CURRENT_0_mA_T114) |
+ PE_CURRENT3(PE_CURRENT_0_mA_T114),
+ .drive_current =
+ DRIVE_CURRENT_LANE0_T114(DRIVE_CURRENT_25_200_mA_T114) |
+ DRIVE_CURRENT_LANE1_T114(DRIVE_CURRENT_25_200_mA_T114) |
+ DRIVE_CURRENT_LANE2_T114(DRIVE_CURRENT_25_200_mA_T114) |
+ DRIVE_CURRENT_LANE3_T114(DRIVE_CURRENT_19_200_mA_T114),
+ .peak_current = PEAK_CURRENT_LANE0(PEAK_CURRENT_3_000_mA) |
+ PEAK_CURRENT_LANE1(PEAK_CURRENT_3_000_mA) |
+ PEAK_CURRENT_LANE2(PEAK_CURRENT_3_000_mA) |
+ PEAK_CURRENT_LANE3(PEAK_CURRENT_0_800_mA),
+ },
+};
+
static const struct tegra_hdmi_audio_config *
tegra_hdmi_get_audio_config(unsigned int audio_freq, unsigned int pclk)
{
@@ -593,8 +673,20 @@ static void tegra_hdmi_setup_tmds(struct tegra_hdmi *hdmi,
tegra_hdmi_writel(hdmi, tmds->pll1, HDMI_NV_PDISP_SOR_PLL1);
tegra_hdmi_writel(hdmi, tmds->pe_current, HDMI_NV_PDISP_PE_CURRENT);
- value = tmds->drive_current | DRIVE_CURRENT_FUSE_OVERRIDE;
- tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_LANE_DRIVE_CURRENT);
+ if (of_device_is_compatible(hdmi->dev->of_node,
+ "nvidia,tegra114-hdmi")) {
+ tegra_hdmi_writel(hdmi, tmds->drive_current,
+ HDMI_NV_PDISP_SOR_LANE_DRIVE_CURRENT);
+ value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_PAD_CTLS0);
+ value |= DRIVE_CURRENT_FUSE_OVERRIDE_T114;
+ tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_PAD_CTLS0);
+ tegra_hdmi_writel(hdmi, tmds->peak_current,
+ HDMI_NV_PDISP_SOR_IO_PEAK_CURRENT);
+ } else {
+ value = tmds->drive_current | DRIVE_CURRENT_FUSE_OVERRIDE;
+ tegra_hdmi_writel(hdmi, value,
+ HDMI_NV_PDISP_SOR_LANE_DRIVE_CURRENT);
+ }
}
static int tegra_output_hdmi_enable(struct tegra_output *output)
@@ -726,7 +818,10 @@ static int tegra_output_hdmi_enable(struct tegra_output *output)
tegra_hdmi_setup_stereo_infoframe(hdmi);
/* TMDS CONFIG */
- if (of_device_is_compatible(node, "nvidia,tegra30-hdmi")) {
+ if (of_device_is_compatible(node, "nvidia,tegra114-hdmi")) {
+ num_tmds = ARRAY_SIZE(tegra114_tmds_config);
+ tmds = tegra114_tmds_config;
+ } else if (of_device_is_compatible(node, "nvidia,tegra30-hdmi")) {
num_tmds = ARRAY_SIZE(tegra3_tmds_config);
tmds = tegra3_tmds_config;
} else {
@@ -1299,6 +1394,7 @@ static int tegra_hdmi_remove(struct platform_device *pdev)
static struct of_device_id tegra_hdmi_of_match[] = {
{ .compatible = "nvidia,tegra30-hdmi", },
{ .compatible = "nvidia,tegra20-hdmi", },
+ { .compatible = "nvidia,tegra114-hdmi", },
{ },
};
diff --git a/drivers/gpu/host1x/drm/hdmi.h b/drivers/gpu/host1x/drm/hdmi.h
index 52ac36e..37925c2 100644
--- a/drivers/gpu/host1x/drm/hdmi.h
+++ b/drivers/gpu/host1x/drm/hdmi.h
@@ -233,6 +233,10 @@
#define DRIVE_CURRENT_LANE1(x) (((x) & 0x3f) << 8)
#define DRIVE_CURRENT_LANE2(x) (((x) & 0x3f) << 16)
#define DRIVE_CURRENT_LANE3(x) (((x) & 0x3f) << 24)
+#define DRIVE_CURRENT_LANE0_T114(x) (((x) & 0x7f) << 0)
+#define DRIVE_CURRENT_LANE1_T114(x) (((x) & 0x7f) << 8)
+#define DRIVE_CURRENT_LANE2_T114(x) (((x) & 0x7f) << 16)
+#define DRIVE_CURRENT_LANE3_T114(x) (((x) & 0x7f) << 24)
#define DRIVE_CURRENT_FUSE_OVERRIDE (1 << 31)
#define DRIVE_CURRENT_1_500_mA 0x00
@@ -299,6 +303,79 @@
#define DRIVE_CURRENT_24_375_mA 0x3d
#define DRIVE_CURRENT_24_750_mA 0x3e
+#define DRIVE_CURRENT_0_000_mA_T114 0x00
+#define DRIVE_CURRENT_0_400_mA_T114 0x01
+#define DRIVE_CURRENT_0_800_mA_T114 0x02
+#define DRIVE_CURRENT_1_200_mA_T114 0x03
+#define DRIVE_CURRENT_1_600_mA_T114 0x04
+#define DRIVE_CURRENT_2_000_mA_T114 0x05
+#define DRIVE_CURRENT_2_400_mA_T114 0x06
+#define DRIVE_CURRENT_2_800_mA_T114 0x07
+#define DRIVE_CURRENT_3_200_mA_T114 0x08
+#define DRIVE_CURRENT_3_600_mA_T114 0x09
+#define DRIVE_CURRENT_4_000_mA_T114 0x0a
+#define DRIVE_CURRENT_4_400_mA_T114 0x0b
+#define DRIVE_CURRENT_4_800_mA_T114 0x0c
+#define DRIVE_CURRENT_5_200_mA_T114 0x0d
+#define DRIVE_CURRENT_5_600_mA_T114 0x0e
+#define DRIVE_CURRENT_6_000_mA_T114 0x0f
+#define DRIVE_CURRENT_6_400_mA_T114 0x10
+#define DRIVE_CURRENT_6_800_mA_T114 0x11
+#define DRIVE_CURRENT_7_200_mA_T114 0x12
+#define DRIVE_CURRENT_7_600_mA_T114 0x13
+#define DRIVE_CURRENT_8_000_mA_T114 0x14
+#define DRIVE_CURRENT_8_400_mA_T114 0x15
+#define DRIVE_CURRENT_8_800_mA_T114 0x16
+#define DRIVE_CURRENT_9_200_mA_T114 0x17
+#define DRIVE_CURRENT_9_600_mA_T114 0x18
+#define DRIVE_CURRENT_10_000_mA_T114 0x19
+#define DRIVE_CURRENT_10_400_mA_T114 0x1a
+#define DRIVE_CURRENT_10_800_mA_T114 0x1b
+#define DRIVE_CURRENT_11_200_mA_T114 0x1c
+#define DRIVE_CURRENT_11_600_mA_T114 0x1d
+#define DRIVE_CURRENT_12_000_mA_T114 0x1e
+#define DRIVE_CURRENT_12_400_mA_T114 0x1f
+#define DRIVE_CURRENT_12_800_mA_T114 0x20
+#define DRIVE_CURRENT_13_200_mA_T114 0x21
+#define DRIVE_CURRENT_13_600_mA_T114 0x22
+#define DRIVE_CURRENT_14_000_mA_T114 0x23
+#define DRIVE_CURRENT_14_400_mA_T114 0x24
+#define DRIVE_CURRENT_14_800_mA_T114 0x25
+#define DRIVE_CURRENT_15_200_mA_T114 0x26
+#define DRIVE_CURRENT_15_600_mA_T114 0x27
+#define DRIVE_CURRENT_16_000_mA_T114 0x28
+#define DRIVE_CURRENT_16_400_mA_T114 0x29
+#define DRIVE_CURRENT_16_800_mA_T114 0x2a
+#define DRIVE_CURRENT_17_200_mA_T114 0x2b
+#define DRIVE_CURRENT_17_600_mA_T114 0x2c
+#define DRIVE_CURRENT_18_000_mA_T114 0x2d
+#define DRIVE_CURRENT_18_400_mA_T114 0x2e
+#define DRIVE_CURRENT_18_800_mA_T114 0x2f
+#define DRIVE_CURRENT_19_200_mA_T114 0x30
+#define DRIVE_CURRENT_19_600_mA_T114 0x31
+#define DRIVE_CURRENT_20_000_mA_T114 0x32
+#define DRIVE_CURRENT_20_400_mA_T114 0x33
+#define DRIVE_CURRENT_20_800_mA_T114 0x34
+#define DRIVE_CURRENT_21_200_mA_T114 0x35
+#define DRIVE_CURRENT_21_600_mA_T114 0x36
+#define DRIVE_CURRENT_22_000_mA_T114 0x37
+#define DRIVE_CURRENT_22_400_mA_T114 0x38
+#define DRIVE_CURRENT_22_800_mA_T114 0x39
+#define DRIVE_CURRENT_23_200_mA_T114 0x3a
+#define DRIVE_CURRENT_23_600_mA_T114 0x3b
+#define DRIVE_CURRENT_24_000_mA_T114 0x3c
+#define DRIVE_CURRENT_24_400_mA_T114 0x3d
+#define DRIVE_CURRENT_24_800_mA_T114 0x3e
+#define DRIVE_CURRENT_25_200_mA_T114 0x3f
+#define DRIVE_CURRENT_25_400_mA_T114 0x40
+#define DRIVE_CURRENT_25_800_mA_T114 0x41
+#define DRIVE_CURRENT_26_200_mA_T114 0x42
+#define DRIVE_CURRENT_26_600_mA_T114 0x43
+#define DRIVE_CURRENT_27_000_mA_T114 0x44
+#define DRIVE_CURRENT_27_400_mA_T114 0x45
+#define DRIVE_CURRENT_27_800_mA_T114 0x46
+#define DRIVE_CURRENT_28_200_mA_T114 0x47
+
#define HDMI_NV_PDISP_AUDIO_DEBUG0 0x7f
#define HDMI_NV_PDISP_AUDIO_DEBUG1 0x80
#define HDMI_NV_PDISP_AUDIO_DEBUG2 0x81
@@ -358,6 +435,23 @@
#define PE_CURRENT_7_0_mA 0xe
#define PE_CURRENT_7_5_mA 0xf
+#define PE_CURRENT_0_mA_T114 0x0
+#define PE_CURRENT_1_mA_T114 0x1
+#define PE_CURRENT_2_mA_T114 0x2
+#define PE_CURRENT_3_mA_T114 0x3
+#define PE_CURRENT_4_mA_T114 0x4
+#define PE_CURRENT_5_mA_T114 0x5
+#define PE_CURRENT_6_mA_T114 0x6
+#define PE_CURRENT_7_mA_T114 0x7
+#define PE_CURRENT_8_mA_T114 0x8
+#define PE_CURRENT_9_mA_T114 0x9
+#define PE_CURRENT_10_mA_T114 0xa
+#define PE_CURRENT_11_mA_T114 0xb
+#define PE_CURRENT_12_mA_T114 0xc
+#define PE_CURRENT_13_mA_T114 0xd
+#define PE_CURRENT_14_mA_T114 0xe
+#define PE_CURRENT_15_mA_T114 0xf
+
#define HDMI_NV_PDISP_KEY_CTRL 0x9a
#define HDMI_NV_PDISP_KEY_DEBUG0 0x9b
#define HDMI_NV_PDISP_KEY_DEBUG1 0x9c
@@ -383,4 +477,62 @@
#define HDMI_NV_PDISP_SOR_AUDIO_AVAL_1920 0xc5
#define HDMI_NV_PDISP_SOR_AUDIO_AVAL_DEFAULT 0xc5
+#define HDMI_NV_PDISP_SOR_IO_PEAK_CURRENT 0xd1
+#define PEAK_CURRENT_LANE0(x) (((x) & 0x7f) << 0)
+#define PEAK_CURRENT_LANE1(x) (((x) & 0x7f) << 8)
+#define PEAK_CURRENT_LANE2(x) (((x) & 0x7f) << 16)
+#define PEAK_CURRENT_LANE3(x) (((x) & 0x7f) << 24)
+
+#define PEAK_CURRENT_0_000_mA 0x00
+#define PEAK_CURRENT_0_200_mA 0x01
+#define PEAK_CURRENT_0_400_mA 0x02
+#define PEAK_CURRENT_0_600_mA 0x03
+#define PEAK_CURRENT_0_800_mA 0x04
+#define PEAK_CURRENT_1_000_mA 0x05
+#define PEAK_CURRENT_1_200_mA 0x06
+#define PEAK_CURRENT_1_400_mA 0x07
+#define PEAK_CURRENT_1_600_mA 0x08
+#define PEAK_CURRENT_1_800_mA 0x09
+#define PEAK_CURRENT_2_000_mA 0x0a
+#define PEAK_CURRENT_2_200_mA 0x0b
+#define PEAK_CURRENT_2_400_mA 0x0c
+#define PEAK_CURRENT_2_600_mA 0x0d
+#define PEAK_CURRENT_2_800_mA 0x0e
+#define PEAK_CURRENT_3_000_mA 0x0f
+#define PEAK_CURRENT_3_200_mA 0x10
+#define PEAK_CURRENT_3_400_mA 0x11
+#define PEAK_CURRENT_3_600_mA 0x12
+#define PEAK_CURRENT_3_800_mA 0x13
+#define PEAK_CURRENT_4_000_mA 0x14
+#define PEAK_CURRENT_4_200_mA 0x15
+#define PEAK_CURRENT_4_400_mA 0x16
+#define PEAK_CURRENT_4_600_mA 0x17
+#define PEAK_CURRENT_4_800_mA 0x18
+#define PEAK_CURRENT_5_000_mA 0x19
+#define PEAK_CURRENT_5_200_mA 0x1a
+#define PEAK_CURRENT_5_400_mA 0x1b
+#define PEAK_CURRENT_5_600_mA 0x1c
+#define PEAK_CURRENT_5_800_mA 0x1d
+#define PEAK_CURRENT_6_000_mA 0x1e
+#define PEAK_CURRENT_6_200_mA 0x1f
+#define PEAK_CURRENT_6_400_mA 0x20
+#define PEAK_CURRENT_6_600_mA 0x21
+#define PEAK_CURRENT_6_800_mA 0x22
+#define PEAK_CURRENT_7_000_mA 0x23
+#define PEAK_CURRENT_7_200_mA 0x24
+#define PEAK_CURRENT_7_400_mA 0x25
+#define PEAK_CURRENT_7_600_mA 0x26
+#define PEAK_CURRENT_7_800_mA 0x27
+#define PEAK_CURRENT_8_000_mA 0x28
+#define PEAK_CURRENT_8_200_mA 0x29
+#define PEAK_CURRENT_8_400_mA 0x2a
+#define PEAK_CURRENT_8_600_mA 0x2b
+#define PEAK_CURRENT_8_800_mA 0x2c
+#define PEAK_CURRENT_9_000_mA 0x2d
+#define PEAK_CURRENT_9_200_mA 0x2e
+#define PEAK_CURRENT_9_400_mA 0x2f
+
+#define HDMI_NV_PDISP_SOR_PAD_CTLS0 0xd2
+#define DRIVE_CURRENT_FUSE_OVERRIDE_T114 (1 << 31)
+
#endif /* TEGRA_HDMI_H */
--
1.8.1.5
--
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