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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.c1606
1 files changed, 1234 insertions, 372 deletions
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index 7591d8901f9a..da1715ebdd71 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -10,7 +10,9 @@
#include <linux/debugfs.h>
#include <linux/gpio.h>
#include <linux/io.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
#include <linux/reset.h>
#include <soc/tegra/pmc.h>
@@ -23,11 +25,146 @@
#include "drm.h"
#include "sor.h"
+#define SOR_REKEY 0x38
+
+struct tegra_sor_hdmi_settings {
+ unsigned long frequency;
+
+ u8 vcocap;
+ u8 ichpmp;
+ u8 loadadj;
+ u8 termadj;
+ u8 tx_pu;
+ u8 bg_vref;
+
+ u8 drive_current[4];
+ u8 preemphasis[4];
+};
+
+#if 1
+static const struct tegra_sor_hdmi_settings tegra210_sor_hdmi_defaults[] = {
+ {
+ .frequency = 54000000,
+ .vcocap = 0x0,
+ .ichpmp = 0x1,
+ .loadadj = 0x3,
+ .termadj = 0x9,
+ .tx_pu = 0x10,
+ .bg_vref = 0x8,
+ .drive_current = { 0x33, 0x3a, 0x3a, 0x3a },
+ .preemphasis = { 0x00, 0x00, 0x00, 0x00 },
+ }, {
+ .frequency = 75000000,
+ .vcocap = 0x3,
+ .ichpmp = 0x1,
+ .loadadj = 0x3,
+ .termadj = 0x9,
+ .tx_pu = 0x40,
+ .bg_vref = 0x8,
+ .drive_current = { 0x33, 0x3a, 0x3a, 0x3a },
+ .preemphasis = { 0x00, 0x00, 0x00, 0x00 },
+ }, {
+ .frequency = 150000000,
+ .vcocap = 0x3,
+ .ichpmp = 0x1,
+ .loadadj = 0x3,
+ .termadj = 0x9,
+ .tx_pu = 0x66,
+ .bg_vref = 0x8,
+ .drive_current = { 0x33, 0x3a, 0x3a, 0x3a },
+ .preemphasis = { 0x00, 0x00, 0x00, 0x00 },
+ }, {
+ .frequency = 300000000,
+ .vcocap = 0x3,
+ .ichpmp = 0x1,
+ .loadadj = 0x3,
+ .termadj = 0x9,
+ .tx_pu = 0x66,
+ .bg_vref = 0xa,
+ .drive_current = { 0x33, 0x3f, 0x3f, 0x3f },
+ .preemphasis = { 0x00, 0x17, 0x17, 0x17 },
+ }, {
+ .frequency = 600000000,
+ .vcocap = 0x3,
+ .ichpmp = 0x1,
+ .loadadj = 0x3,
+ .termadj = 0x9,
+ .tx_pu = 0x66,
+ .bg_vref = 0x8,
+ .drive_current = { 0x33, 0x3f, 0x3f, 0x3f },
+ .preemphasis = { 0x00, 0x00, 0x00, 0x00 },
+ },
+};
+#else
+static const struct tegra_sor_hdmi_settings tegra210_sor_hdmi_defaults[] = {
+ {
+ .frequency = 75000000,
+ .vcocap = 0x3,
+ .ichpmp = 0x1,
+ .loadadj = 0x3,
+ .termadj = 0x9,
+ .tx_pu = 0x40,
+ .bg_vref = 0x8,
+ .drive_current = { 0x29, 0x29, 0x29, 0x29 },
+ .preemphasis = { 0x00, 0x00, 0x00, 0x00 },
+ }, {
+ .frequency = 150000000,
+ .vcocap = 0x3,
+ .ichpmp = 0x1,
+ .loadadj = 0x3,
+ .termadj = 0x9,
+ .tx_pu = 0x66,
+ .bg_vref = 0x8,
+ .drive_current = { 0x30, 0x37, 0x37, 0x37 },
+ .preemphasis = { 0x01, 0x02, 0x02, 0x02 },
+ }, {
+ .frequency = 300000000,
+ .vcocap = 0x3,
+ .ichpmp = 0x6,
+ .loadadj = 0x3,
+ .termadj = 0x9,
+ .tx_pu = 0x66,
+ .bg_vref = 0xf,
+ .drive_current = { 0x30, 0x37, 0x37, 0x37 },
+ .preemphasis = { 0x10, 0x3e, 0x3e, 0x3e },
+ }, {
+ .frequency = 600000000,
+ .vcocap = 0x3,
+ .ichpmp = 0xa,
+ .loadadj = 0x3,
+ .termadj = 0xb,
+ .tx_pu = 0x66,
+ .bg_vref = 0xe,
+ .drive_current = { 0x35, 0x3e, 0x3e, 0x3e },
+ .preemphasis = { 0x02, 0x3f, 0x3f, 0x3f },
+ },
+};
+#endif
+
+struct tegra_sor_soc {
+ bool supports_edp;
+ bool supports_lvds;
+ bool supports_hdmi;
+ bool supports_dp;
+
+ const struct tegra_sor_hdmi_settings *settings;
+ unsigned int num_settings;
+};
+
+struct tegra_sor;
+
+struct tegra_sor_ops {
+ const char *name;
+ int (*probe)(struct tegra_sor *sor);
+ int (*remove)(struct tegra_sor *sor);
+};
+
struct tegra_sor {
struct host1x_client client;
struct tegra_output output;
struct device *dev;
+ const struct tegra_sor_soc *soc;
void __iomem *regs;
struct reset_control *rst;
@@ -38,12 +175,19 @@ struct tegra_sor {
struct tegra_dpaux *dpaux;
- struct mutex lock;
- bool enabled;
-
struct drm_info_list *debugfs_files;
struct drm_minor *minor;
struct dentry *debugfs;
+
+ const struct tegra_sor_ops *ops;
+
+ /* for HDMI 2.0 */
+ struct tegra_sor_hdmi_settings *settings;
+ unsigned int num_settings;
+
+ struct regulator *avdd_io_supply;
+ struct regulator *vdd_pll_supply;
+ struct regulator *hdmi_supply;
};
struct tegra_sor_config {
@@ -94,40 +238,40 @@ static int tegra_sor_dp_train_fast(struct tegra_sor *sor,
SOR_LANE_DRIVE_CURRENT_LANE2(0x40) |
SOR_LANE_DRIVE_CURRENT_LANE1(0x40) |
SOR_LANE_DRIVE_CURRENT_LANE0(0x40);
- tegra_sor_writel(sor, value, SOR_LANE_DRIVE_CURRENT_0);
+ tegra_sor_writel(sor, value, SOR_LANE_DRIVE_CURRENT0);
value = SOR_LANE_PREEMPHASIS_LANE3(0x0f) |
SOR_LANE_PREEMPHASIS_LANE2(0x0f) |
SOR_LANE_PREEMPHASIS_LANE1(0x0f) |
SOR_LANE_PREEMPHASIS_LANE0(0x0f);
- tegra_sor_writel(sor, value, SOR_LANE_PREEMPHASIS_0);
+ tegra_sor_writel(sor, value, SOR_LANE_PREEMPHASIS0);
- value = SOR_LANE_POST_CURSOR_LANE3(0x00) |
- SOR_LANE_POST_CURSOR_LANE2(0x00) |
- SOR_LANE_POST_CURSOR_LANE1(0x00) |
- SOR_LANE_POST_CURSOR_LANE0(0x00);
- tegra_sor_writel(sor, value, SOR_LANE_POST_CURSOR_0);
+ value = SOR_LANE_POSTCURSOR_LANE3(0x00) |
+ SOR_LANE_POSTCURSOR_LANE2(0x00) |
+ SOR_LANE_POSTCURSOR_LANE1(0x00) |
+ SOR_LANE_POSTCURSOR_LANE0(0x00);
+ tegra_sor_writel(sor, value, SOR_LANE_POSTCURSOR0);
/* disable LVDS mode */
tegra_sor_writel(sor, 0, SOR_LVDS);
- value = tegra_sor_readl(sor, SOR_DP_PADCTL_0);
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
value |= SOR_DP_PADCTL_TX_PU_ENABLE;
value &= ~SOR_DP_PADCTL_TX_PU_MASK;
value |= SOR_DP_PADCTL_TX_PU(2); /* XXX: don't hardcode? */
- tegra_sor_writel(sor, value, SOR_DP_PADCTL_0);
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
- value = tegra_sor_readl(sor, SOR_DP_PADCTL_0);
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
value |= SOR_DP_PADCTL_CM_TXD_3 | SOR_DP_PADCTL_CM_TXD_2 |
SOR_DP_PADCTL_CM_TXD_1 | SOR_DP_PADCTL_CM_TXD_0;
- tegra_sor_writel(sor, value, SOR_DP_PADCTL_0);
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
usleep_range(10, 100);
- value = tegra_sor_readl(sor, SOR_DP_PADCTL_0);
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
value &= ~(SOR_DP_PADCTL_CM_TXD_3 | SOR_DP_PADCTL_CM_TXD_2 |
SOR_DP_PADCTL_CM_TXD_1 | SOR_DP_PADCTL_CM_TXD_0);
- tegra_sor_writel(sor, value, SOR_DP_PADCTL_0);
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
err = tegra_dpaux_prepare(sor->dpaux, DP_SET_ANSI_8B10B);
if (err < 0)
@@ -148,11 +292,11 @@ static int tegra_sor_dp_train_fast(struct tegra_sor *sor,
if (err < 0)
return err;
- value = tegra_sor_readl(sor, SOR_DP_SPARE_0);
+ value = tegra_sor_readl(sor, SOR_DP_SPARE0);
value |= SOR_DP_SPARE_SEQ_ENABLE;
value &= ~SOR_DP_SPARE_PANEL_INTERNAL;
value |= SOR_DP_SPARE_MACRO_SOR_CLK;
- tegra_sor_writel(sor, value, SOR_DP_SPARE_0);
+ tegra_sor_writel(sor, value, SOR_DP_SPARE0);
for (i = 0, value = 0; i < link->num_lanes; i++) {
unsigned long lane = SOR_DP_TPG_CHANNEL_CODING |
@@ -187,18 +331,59 @@ static int tegra_sor_dp_train_fast(struct tegra_sor *sor,
return 0;
}
+static void tegra_sor_dp_term_calibrate(struct tegra_sor *sor)
+{
+ u32 mask = 0x08, adj = 0, value;
+
+ /* enable pad calibration logic */
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
+ value &= ~SOR_DP_PADCTL_PAD_CAL_PD;
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
+
+ value = tegra_sor_readl(sor, SOR_PLL1);
+ value |= SOR_PLL1_TMDS_TERM;
+ tegra_sor_writel(sor, value, SOR_PLL1);
+
+ while (mask) {
+ adj |= mask;
+
+ value = tegra_sor_readl(sor, SOR_PLL1);
+ value &= ~SOR_PLL1_TMDS_TERMADJ_MASK;
+ value |= SOR_PLL1_TMDS_TERMADJ(adj);
+ tegra_sor_writel(sor, value, SOR_PLL1);
+
+ usleep_range(100, 200);
+
+ value = tegra_sor_readl(sor, SOR_PLL1);
+ if (value & SOR_PLL1_TERM_COMPOUT)
+ adj &= ~mask;
+
+ mask >>= 1;
+ }
+
+ value = tegra_sor_readl(sor, SOR_PLL1);
+ value &= ~SOR_PLL1_TMDS_TERMADJ_MASK;
+ value |= SOR_PLL1_TMDS_TERMADJ(adj);
+ tegra_sor_writel(sor, value, SOR_PLL1);
+
+ /* disable pad calibration logic */
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
+ value |= SOR_DP_PADCTL_PAD_CAL_PD;
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
+}
+
static void tegra_sor_super_update(struct tegra_sor *sor)
{
- tegra_sor_writel(sor, 0, SOR_SUPER_STATE_0);
- tegra_sor_writel(sor, 1, SOR_SUPER_STATE_0);
- tegra_sor_writel(sor, 0, SOR_SUPER_STATE_0);
+ tegra_sor_writel(sor, 0, SOR_SUPER_STATE0);
+ tegra_sor_writel(sor, 1, SOR_SUPER_STATE0);
+ tegra_sor_writel(sor, 0, SOR_SUPER_STATE0);
}
static void tegra_sor_update(struct tegra_sor *sor)
{
- tegra_sor_writel(sor, 0, SOR_STATE_0);
- tegra_sor_writel(sor, 1, SOR_STATE_0);
- tegra_sor_writel(sor, 0, SOR_STATE_0);
+ tegra_sor_writel(sor, 0, SOR_STATE0);
+ tegra_sor_writel(sor, 1, SOR_STATE0);
+ tegra_sor_writel(sor, 0, SOR_STATE0);
}
static int tegra_sor_setup_pwm(struct tegra_sor *sor, unsigned long timeout)
@@ -235,16 +420,16 @@ static int tegra_sor_attach(struct tegra_sor *sor)
unsigned long value, timeout;
/* wake up in normal mode */
- value = tegra_sor_readl(sor, SOR_SUPER_STATE_1);
+ value = tegra_sor_readl(sor, SOR_SUPER_STATE1);
value |= SOR_SUPER_STATE_HEAD_MODE_AWAKE;
value |= SOR_SUPER_STATE_MODE_NORMAL;
- tegra_sor_writel(sor, value, SOR_SUPER_STATE_1);
+ tegra_sor_writel(sor, value, SOR_SUPER_STATE1);
tegra_sor_super_update(sor);
/* attach */
- value = tegra_sor_readl(sor, SOR_SUPER_STATE_1);
+ value = tegra_sor_readl(sor, SOR_SUPER_STATE1);
value |= SOR_SUPER_STATE_ATTACHED;
- tegra_sor_writel(sor, value, SOR_SUPER_STATE_1);
+ tegra_sor_writel(sor, value, SOR_SUPER_STATE1);
tegra_sor_super_update(sor);
timeout = jiffies + msecs_to_jiffies(250);
@@ -385,7 +570,7 @@ static int tegra_sor_compute_params(struct tegra_sor *sor,
}
static int tegra_sor_calc_config(struct tegra_sor *sor,
- struct drm_display_mode *mode,
+ const struct drm_display_mode *mode,
struct tegra_sor_config *config,
struct drm_dp_link *link)
{
@@ -481,9 +666,9 @@ static int tegra_sor_detach(struct tegra_sor *sor)
unsigned long value, timeout;
/* switch to safe mode */
- value = tegra_sor_readl(sor, SOR_SUPER_STATE_1);
+ value = tegra_sor_readl(sor, SOR_SUPER_STATE1);
value &= ~SOR_SUPER_STATE_MODE_NORMAL;
- tegra_sor_writel(sor, value, SOR_SUPER_STATE_1);
+ tegra_sor_writel(sor, value, SOR_SUPER_STATE1);
tegra_sor_super_update(sor);
timeout = jiffies + msecs_to_jiffies(250);
@@ -498,15 +683,15 @@ static int tegra_sor_detach(struct tegra_sor *sor)
return -ETIMEDOUT;
/* go to sleep */
- value = tegra_sor_readl(sor, SOR_SUPER_STATE_1);
+ value = tegra_sor_readl(sor, SOR_SUPER_STATE1);
value &= ~SOR_SUPER_STATE_HEAD_MODE_MASK;
- tegra_sor_writel(sor, value, SOR_SUPER_STATE_1);
+ tegra_sor_writel(sor, value, SOR_SUPER_STATE1);
tegra_sor_super_update(sor);
/* detach */
- value = tegra_sor_readl(sor, SOR_SUPER_STATE_1);
+ value = tegra_sor_readl(sor, SOR_SUPER_STATE1);
value &= ~SOR_SUPER_STATE_ATTACHED;
- tegra_sor_writel(sor, value, SOR_SUPER_STATE_1);
+ tegra_sor_writel(sor, value, SOR_SUPER_STATE1);
tegra_sor_super_update(sor);
timeout = jiffies + msecs_to_jiffies(250);
@@ -552,10 +737,10 @@ static int tegra_sor_power_down(struct tegra_sor *sor)
if (err < 0)
dev_err(sor->dev, "failed to set safe parent clock: %d\n", err);
- value = tegra_sor_readl(sor, SOR_DP_PADCTL_0);
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
value &= ~(SOR_DP_PADCTL_PD_TXD_3 | SOR_DP_PADCTL_PD_TXD_0 |
SOR_DP_PADCTL_PD_TXD_1 | SOR_DP_PADCTL_PD_TXD_2);
- tegra_sor_writel(sor, value, SOR_DP_PADCTL_0);
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
/* stop lane sequencer */
value = SOR_LANE_SEQ_CTL_TRIGGER | SOR_LANE_SEQ_CTL_SEQUENCE_UP |
@@ -575,39 +760,26 @@ static int tegra_sor_power_down(struct tegra_sor *sor)
if ((value & SOR_LANE_SEQ_CTL_TRIGGER) != 0)
return -ETIMEDOUT;
- value = tegra_sor_readl(sor, SOR_PLL_2);
- value |= SOR_PLL_2_PORT_POWERDOWN;
- tegra_sor_writel(sor, value, SOR_PLL_2);
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value |= SOR_PLL2_PORT_POWERDOWN;
+ tegra_sor_writel(sor, value, SOR_PLL2);
usleep_range(20, 100);
- value = tegra_sor_readl(sor, SOR_PLL_0);
- value |= SOR_PLL_0_POWER_OFF;
- value |= SOR_PLL_0_VCOPD;
- tegra_sor_writel(sor, value, SOR_PLL_0);
+ value = tegra_sor_readl(sor, SOR_PLL0);
+ value |= SOR_PLL0_VCOPD | SOR_PLL0_PWR;
+ tegra_sor_writel(sor, value, SOR_PLL0);
- value = tegra_sor_readl(sor, SOR_PLL_2);
- value |= SOR_PLL_2_SEQ_PLLCAPPD;
- value |= SOR_PLL_2_SEQ_PLLCAPPD_ENFORCE;
- tegra_sor_writel(sor, value, SOR_PLL_2);
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value |= SOR_PLL2_SEQ_PLLCAPPD;
+ value |= SOR_PLL2_SEQ_PLLCAPPD_ENFORCE;
+ tegra_sor_writel(sor, value, SOR_PLL2);
usleep_range(20, 100);
return 0;
}
-static int tegra_sor_crc_open(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
-
- return 0;
-}
-
-static int tegra_sor_crc_release(struct inode *inode, struct file *file)
-{
- return 0;
-}
-
static int tegra_sor_crc_wait(struct tegra_sor *sor, unsigned long timeout)
{
u32 value;
@@ -615,8 +787,8 @@ static int tegra_sor_crc_wait(struct tegra_sor *sor, unsigned long timeout)
timeout = jiffies + msecs_to_jiffies(timeout);
while (time_before(jiffies, timeout)) {
- value = tegra_sor_readl(sor, SOR_CRC_A);
- if (value & SOR_CRC_A_VALID)
+ value = tegra_sor_readl(sor, SOR_CRCA);
+ if (value & SOR_CRCA_VALID)
return 0;
usleep_range(100, 200);
@@ -625,24 +797,25 @@ static int tegra_sor_crc_wait(struct tegra_sor *sor, unsigned long timeout)
return -ETIMEDOUT;
}
-static ssize_t tegra_sor_crc_read(struct file *file, char __user *buffer,
- size_t size, loff_t *ppos)
+static int tegra_sor_show_crc(struct seq_file *s, void *data)
{
- struct tegra_sor *sor = file->private_data;
- ssize_t num, err;
- char buf[10];
+ struct drm_info_node *node = s->private;
+ struct tegra_sor *sor = node->info_ent->data;
+ struct drm_crtc *crtc = sor->output.encoder.crtc;
+ struct drm_device *drm = node->minor->dev;
+ int err = 0;
u32 value;
- mutex_lock(&sor->lock);
+ drm_modeset_lock_all(drm);
- if (!sor->enabled) {
- err = -EAGAIN;
+ if (!crtc || !crtc->state->active) {
+ err = -EBUSY;
goto unlock;
}
- value = tegra_sor_readl(sor, SOR_STATE_1);
+ value = tegra_sor_readl(sor, SOR_STATE1);
value &= ~SOR_STATE_ASY_CRC_MODE_MASK;
- tegra_sor_writel(sor, value, SOR_STATE_1);
+ tegra_sor_writel(sor, value, SOR_STATE1);
value = tegra_sor_readl(sor, SOR_CRC_CNTRL);
value |= SOR_CRC_CNTRL_ENABLE;
@@ -656,65 +829,66 @@ static ssize_t tegra_sor_crc_read(struct file *file, char __user *buffer,
if (err < 0)
goto unlock;
- tegra_sor_writel(sor, SOR_CRC_A_RESET, SOR_CRC_A);
- value = tegra_sor_readl(sor, SOR_CRC_B);
+ tegra_sor_writel(sor, SOR_CRCA_RESET, SOR_CRCA);
+ value = tegra_sor_readl(sor, SOR_CRCB);
- num = scnprintf(buf, sizeof(buf), "%08x\n", value);
-
- err = simple_read_from_buffer(buffer, size, ppos, buf, num);
+ seq_printf(s, "%08x\n", value);
unlock:
- mutex_unlock(&sor->lock);
+ drm_modeset_unlock_all(drm);
return err;
}
-static const struct file_operations tegra_sor_crc_fops = {
- .owner = THIS_MODULE,
- .open = tegra_sor_crc_open,
- .read = tegra_sor_crc_read,
- .release = tegra_sor_crc_release,
-};
-
static int tegra_sor_show_regs(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct tegra_sor *sor = node->info_ent->data;
+ struct drm_crtc *crtc = sor->output.encoder.crtc;
+ struct drm_device *drm = node->minor->dev;
+ int err = 0;
+
+ drm_modeset_lock_all(drm);
+
+ if (!crtc || !crtc->state->active) {
+ err = -EBUSY;
+ goto unlock;
+ }
#define DUMP_REG(name) \
seq_printf(s, "%-38s %#05x %08x\n", #name, name, \
tegra_sor_readl(sor, name))
DUMP_REG(SOR_CTXSW);
- DUMP_REG(SOR_SUPER_STATE_0);
- DUMP_REG(SOR_SUPER_STATE_1);
- DUMP_REG(SOR_STATE_0);
- DUMP_REG(SOR_STATE_1);
- DUMP_REG(SOR_HEAD_STATE_0(0));
- DUMP_REG(SOR_HEAD_STATE_0(1));
- DUMP_REG(SOR_HEAD_STATE_1(0));
- DUMP_REG(SOR_HEAD_STATE_1(1));
- DUMP_REG(SOR_HEAD_STATE_2(0));
- DUMP_REG(SOR_HEAD_STATE_2(1));
- DUMP_REG(SOR_HEAD_STATE_3(0));
- DUMP_REG(SOR_HEAD_STATE_3(1));
- DUMP_REG(SOR_HEAD_STATE_4(0));
- DUMP_REG(SOR_HEAD_STATE_4(1));
- DUMP_REG(SOR_HEAD_STATE_5(0));
- DUMP_REG(SOR_HEAD_STATE_5(1));
+ DUMP_REG(SOR_SUPER_STATE0);
+ DUMP_REG(SOR_SUPER_STATE1);
+ DUMP_REG(SOR_STATE0);
+ DUMP_REG(SOR_STATE1);
+ DUMP_REG(SOR_HEAD_STATE0(0));
+ DUMP_REG(SOR_HEAD_STATE0(1));
+ DUMP_REG(SOR_HEAD_STATE1(0));
+ DUMP_REG(SOR_HEAD_STATE1(1));
+ DUMP_REG(SOR_HEAD_STATE2(0));
+ DUMP_REG(SOR_HEAD_STATE2(1));
+ DUMP_REG(SOR_HEAD_STATE3(0));
+ DUMP_REG(SOR_HEAD_STATE3(1));
+ DUMP_REG(SOR_HEAD_STATE4(0));
+ DUMP_REG(SOR_HEAD_STATE4(1));
+ DUMP_REG(SOR_HEAD_STATE5(0));
+ DUMP_REG(SOR_HEAD_STATE5(1));
DUMP_REG(SOR_CRC_CNTRL);
DUMP_REG(SOR_DP_DEBUG_MVID);
DUMP_REG(SOR_CLK_CNTRL);
DUMP_REG(SOR_CAP);
DUMP_REG(SOR_PWR);
DUMP_REG(SOR_TEST);
- DUMP_REG(SOR_PLL_0);
- DUMP_REG(SOR_PLL_1);
- DUMP_REG(SOR_PLL_2);
- DUMP_REG(SOR_PLL_3);
+ DUMP_REG(SOR_PLL0);
+ DUMP_REG(SOR_PLL1);
+ DUMP_REG(SOR_PLL2);
+ DUMP_REG(SOR_PLL3);
DUMP_REG(SOR_CSTM);
DUMP_REG(SOR_LVDS);
- DUMP_REG(SOR_CRC_A);
- DUMP_REG(SOR_CRC_B);
+ DUMP_REG(SOR_CRCA);
+ DUMP_REG(SOR_CRCB);
DUMP_REG(SOR_BLANK);
DUMP_REG(SOR_SEQ_CTL);
DUMP_REG(SOR_LANE_SEQ_CTL);
@@ -736,86 +910,89 @@ static int tegra_sor_show_regs(struct seq_file *s, void *data)
DUMP_REG(SOR_SEQ_INST(15));
DUMP_REG(SOR_PWM_DIV);
DUMP_REG(SOR_PWM_CTL);
- DUMP_REG(SOR_VCRC_A_0);
- DUMP_REG(SOR_VCRC_A_1);
- DUMP_REG(SOR_VCRC_B_0);
- DUMP_REG(SOR_VCRC_B_1);
- DUMP_REG(SOR_CCRC_A_0);
- DUMP_REG(SOR_CCRC_A_1);
- DUMP_REG(SOR_CCRC_B_0);
- DUMP_REG(SOR_CCRC_B_1);
- DUMP_REG(SOR_EDATA_A_0);
- DUMP_REG(SOR_EDATA_A_1);
- DUMP_REG(SOR_EDATA_B_0);
- DUMP_REG(SOR_EDATA_B_1);
- DUMP_REG(SOR_COUNT_A_0);
- DUMP_REG(SOR_COUNT_A_1);
- DUMP_REG(SOR_COUNT_B_0);
- DUMP_REG(SOR_COUNT_B_1);
- DUMP_REG(SOR_DEBUG_A_0);
- DUMP_REG(SOR_DEBUG_A_1);
- DUMP_REG(SOR_DEBUG_B_0);
- DUMP_REG(SOR_DEBUG_B_1);
+ DUMP_REG(SOR_VCRC_A0);
+ DUMP_REG(SOR_VCRC_A1);
+ DUMP_REG(SOR_VCRC_B0);
+ DUMP_REG(SOR_VCRC_B1);
+ DUMP_REG(SOR_CCRC_A0);
+ DUMP_REG(SOR_CCRC_A1);
+ DUMP_REG(SOR_CCRC_B0);
+ DUMP_REG(SOR_CCRC_B1);
+ DUMP_REG(SOR_EDATA_A0);
+ DUMP_REG(SOR_EDATA_A1);
+ DUMP_REG(SOR_EDATA_B0);
+ DUMP_REG(SOR_EDATA_B1);
+ DUMP_REG(SOR_COUNT_A0);
+ DUMP_REG(SOR_COUNT_A1);
+ DUMP_REG(SOR_COUNT_B0);
+ DUMP_REG(SOR_COUNT_B1);
+ DUMP_REG(SOR_DEBUG_A0);
+ DUMP_REG(SOR_DEBUG_A1);
+ DUMP_REG(SOR_DEBUG_B0);
+ DUMP_REG(SOR_DEBUG_B1);
DUMP_REG(SOR_TRIG);
DUMP_REG(SOR_MSCHECK);
DUMP_REG(SOR_XBAR_CTRL);
DUMP_REG(SOR_XBAR_POL);
- DUMP_REG(SOR_DP_LINKCTL_0);
- DUMP_REG(SOR_DP_LINKCTL_1);
- DUMP_REG(SOR_LANE_DRIVE_CURRENT_0);
- DUMP_REG(SOR_LANE_DRIVE_CURRENT_1);
- DUMP_REG(SOR_LANE4_DRIVE_CURRENT_0);
- DUMP_REG(SOR_LANE4_DRIVE_CURRENT_1);
- DUMP_REG(SOR_LANE_PREEMPHASIS_0);
- DUMP_REG(SOR_LANE_PREEMPHASIS_1);
- DUMP_REG(SOR_LANE4_PREEMPHASIS_0);
- DUMP_REG(SOR_LANE4_PREEMPHASIS_1);
- DUMP_REG(SOR_LANE_POST_CURSOR_0);
- DUMP_REG(SOR_LANE_POST_CURSOR_1);
- DUMP_REG(SOR_DP_CONFIG_0);
- DUMP_REG(SOR_DP_CONFIG_1);
- DUMP_REG(SOR_DP_MN_0);
- DUMP_REG(SOR_DP_MN_1);
- DUMP_REG(SOR_DP_PADCTL_0);
- DUMP_REG(SOR_DP_PADCTL_1);
- DUMP_REG(SOR_DP_DEBUG_0);
- DUMP_REG(SOR_DP_DEBUG_1);
- DUMP_REG(SOR_DP_SPARE_0);
- DUMP_REG(SOR_DP_SPARE_1);
+ DUMP_REG(SOR_DP_LINKCTL0);
+ DUMP_REG(SOR_DP_LINKCTL1);
+ DUMP_REG(SOR_LANE_DRIVE_CURRENT0);
+ DUMP_REG(SOR_LANE_DRIVE_CURRENT1);
+ DUMP_REG(SOR_LANE4_DRIVE_CURRENT0);
+ DUMP_REG(SOR_LANE4_DRIVE_CURRENT1);
+ DUMP_REG(SOR_LANE_PREEMPHASIS0);
+ DUMP_REG(SOR_LANE_PREEMPHASIS1);
+ DUMP_REG(SOR_LANE4_PREEMPHASIS0);
+ DUMP_REG(SOR_LANE4_PREEMPHASIS1);
+ DUMP_REG(SOR_LANE_POSTCURSOR0);
+ DUMP_REG(SOR_LANE_POSTCURSOR1);
+ DUMP_REG(SOR_DP_CONFIG0);
+ DUMP_REG(SOR_DP_CONFIG1);
+ DUMP_REG(SOR_DP_MN0);
+ DUMP_REG(SOR_DP_MN1);
+ DUMP_REG(SOR_DP_PADCTL0);
+ DUMP_REG(SOR_DP_PADCTL1);
+ DUMP_REG(SOR_DP_DEBUG0);
+ DUMP_REG(SOR_DP_DEBUG1);
+ DUMP_REG(SOR_DP_SPARE0);
+ DUMP_REG(SOR_DP_SPARE1);
DUMP_REG(SOR_DP_AUDIO_CTRL);
DUMP_REG(SOR_DP_AUDIO_HBLANK_SYMBOLS);
DUMP_REG(SOR_DP_AUDIO_VBLANK_SYMBOLS);
DUMP_REG(SOR_DP_GENERIC_INFOFRAME_HEADER);
- DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK_0);
- DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK_1);
- DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK_2);
- DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK_3);
- DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK_4);
- DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK_5);
- DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK_6);
+ DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK0);
+ DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK1);
+ DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK2);
+ DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK3);
+ DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK4);
+ DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK5);
+ DUMP_REG(SOR_DP_GENERIC_INFOFRAME_SUBPACK6);
DUMP_REG(SOR_DP_TPG);
DUMP_REG(SOR_DP_TPG_CONFIG);
- DUMP_REG(SOR_DP_LQ_CSTM_0);
- DUMP_REG(SOR_DP_LQ_CSTM_1);
- DUMP_REG(SOR_DP_LQ_CSTM_2);
+ DUMP_REG(SOR_DP_LQ_CSTM0);
+ DUMP_REG(SOR_DP_LQ_CSTM1);
+ DUMP_REG(SOR_DP_LQ_CSTM2);
#undef DUMP_REG
- return 0;
+unlock:
+ drm_modeset_unlock_all(drm);
+ return err;
}
static const struct drm_info_list debugfs_files[] = {
+ { "crc", tegra_sor_show_crc, 0, NULL },
{ "regs", tegra_sor_show_regs, 0, NULL },
};
static int tegra_sor_debugfs_init(struct tegra_sor *sor,
struct drm_minor *minor)
{
- struct dentry *entry;
+ const char *name = sor->soc->supports_dp ? "sor1" : "sor";
unsigned int i;
- int err = 0;
+ int err;
- sor->debugfs = debugfs_create_dir("sor", minor->debugfs_root);
+ sor->debugfs = debugfs_create_dir(name, minor->debugfs_root);
if (!sor->debugfs)
return -ENOMEM;
@@ -835,14 +1012,9 @@ static int tegra_sor_debugfs_init(struct tegra_sor *sor,
if (err < 0)
goto free;
- entry = debugfs_create_file("crc", 0644, sor->debugfs, sor,
- &tegra_sor_crc_fops);
- if (!entry) {
- err = -ENOMEM;
- goto free;
- }
+ sor->minor = minor;
- return err;
+ return 0;
free:
kfree(sor->debugfs_files);
@@ -860,14 +1032,10 @@ static void tegra_sor_debugfs_exit(struct tegra_sor *sor)
sor->minor = NULL;
kfree(sor->debugfs_files);
- sor->debugfs = NULL;
-
- debugfs_remove_recursive(sor->debugfs);
sor->debugfs_files = NULL;
-}
-static void tegra_sor_connector_dpms(struct drm_connector *connector, int mode)
-{
+ debugfs_remove_recursive(sor->debugfs);
+ sor->debugfs = NULL;
}
static enum drm_connector_status
@@ -879,11 +1047,11 @@ tegra_sor_connector_detect(struct drm_connector *connector, bool force)
if (sor->dpaux)
return tegra_dpaux_detect(sor->dpaux);
- return connector_status_unknown;
+ return tegra_output_connector_detect(connector, force);
}
static const struct drm_connector_funcs tegra_sor_connector_funcs = {
- .dpms = tegra_sor_connector_dpms,
+ .dpms = drm_atomic_helper_connector_dpms,
.reset = drm_atomic_helper_connector_reset,
.detect = tegra_sor_connector_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
@@ -926,22 +1094,102 @@ static const struct drm_encoder_funcs tegra_sor_encoder_funcs = {
.destroy = tegra_output_encoder_destroy,
};
-static void tegra_sor_encoder_dpms(struct drm_encoder *encoder, int mode)
+static void tegra_sor_edp_disable(struct drm_encoder *encoder)
{
-}
+ struct tegra_output *output = encoder_to_output(encoder);
+ struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
+ struct tegra_sor *sor = to_sor(output);
+ u32 value;
+ int err;
-static void tegra_sor_encoder_prepare(struct drm_encoder *encoder)
-{
+ if (output->panel)
+ drm_panel_disable(output->panel);
+
+ err = tegra_sor_detach(sor);
+ if (err < 0)
+ dev_err(sor->dev, "failed to detach SOR: %d\n", err);
+
+ tegra_sor_writel(sor, 0, SOR_STATE1);
+ tegra_sor_update(sor);
+
+ /*
+ * The following accesses registers of the display controller, so make
+ * sure it's only executed when the output is attached to one.
+ */
+ if (dc) {
+ value = tegra_dc_readl(dc, DC_DISP_DISP_WIN_OPTIONS);
+ value &= ~SOR_ENABLE;
+ tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
+
+ tegra_dc_commit(dc);
+ }
+
+ err = tegra_sor_power_down(sor);
+ if (err < 0)
+ dev_err(sor->dev, "failed to power down SOR: %d\n", err);
+
+ if (sor->dpaux) {
+ err = tegra_dpaux_disable(sor->dpaux);
+ if (err < 0)
+ dev_err(sor->dev, "failed to disable DP: %d\n", err);
+ }
+
+ err = tegra_io_rail_power_off(TEGRA_IO_RAIL_LVDS);
+ if (err < 0)
+ dev_err(sor->dev, "failed to power off I/O rail: %d\n", err);
+
+ if (output->panel)
+ drm_panel_unprepare(output->panel);
+
+ reset_control_assert(sor->rst);
+ clk_disable_unprepare(sor->clk);
}
-static void tegra_sor_encoder_commit(struct drm_encoder *encoder)
+#if 0
+static int calc_h_ref_to_sync(const struct drm_display_mode *mode,
+ unsigned int *value)
{
+ unsigned int hfp, hsw, hbp, a = 0, b;
+
+ hfp = mode->hsync_start - mode->hdisplay;
+ hsw = mode->hsync_end - mode->hsync_start;
+ hbp = mode->htotal - mode->hsync_end;
+
+ pr_info("hfp: %u, hsw: %u, hbp: %u\n", hfp, hsw, hbp);
+
+ b = hfp - 1;
+
+ pr_info("a: %u, b: %u\n", a, b);
+ pr_info("a + hsw + hbp = %u\n", a + hsw + hbp);
+
+ if (a + hsw + hbp <= 11) {
+ a = 1 + 11 - hsw - hbp;
+ pr_info("a: %u\n", a);
+ }
+
+ if (a > b)
+ return -EINVAL;
+
+ if (hsw < 1)
+ return -EINVAL;
+
+ if (mode->hdisplay < 16)
+ return -EINVAL;
+
+ if (value) {
+ if (b > a && a % 2)
+ *value = a + 1;
+ else
+ *value = a;
+ }
+
+ return 0;
}
+#endif
-static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted)
+static void tegra_sor_edp_enable(struct drm_encoder *encoder)
{
+ struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode;
struct tegra_output *output = encoder_to_output(encoder);
struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
unsigned int vbe, vse, hbe, hse, vbs, hbs, i;
@@ -952,14 +1200,9 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
int err = 0;
u32 value;
- mutex_lock(&sor->lock);
-
- if (sor->enabled)
- goto unlock;
-
err = clk_prepare_enable(sor->clk);
if (err < 0)
- goto unlock;
+ dev_err(sor->dev, "failed to enable clock: %d\n", err);
reset_control_deassert(sor->rst);
@@ -978,7 +1221,7 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
if (err < 0) {
dev_err(sor->dev, "failed to probe eDP link: %d\n",
err);
- goto unlock;
+ return;
}
}
@@ -999,40 +1242,40 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
value |= SOR_CLK_CNTRL_DP_CLK_SEL_SINGLE_DPCLK;
tegra_sor_writel(sor, value, SOR_CLK_CNTRL);
- value = tegra_sor_readl(sor, SOR_PLL_2);
- value &= ~SOR_PLL_2_BANDGAP_POWERDOWN;
- tegra_sor_writel(sor, value, SOR_PLL_2);
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value &= ~SOR_PLL2_BANDGAP_POWERDOWN;
+ tegra_sor_writel(sor, value, SOR_PLL2);
usleep_range(20, 100);
- value = tegra_sor_readl(sor, SOR_PLL_3);
- value |= SOR_PLL_3_PLL_VDD_MODE_V3_3;
- tegra_sor_writel(sor, value, SOR_PLL_3);
+ value = tegra_sor_readl(sor, SOR_PLL3);
+ value |= SOR_PLL3_PLL_VDD_MODE_3V3;
+ tegra_sor_writel(sor, value, SOR_PLL3);
- value = SOR_PLL_0_ICHPMP(0xf) | SOR_PLL_0_VCOCAP_RST |
- SOR_PLL_0_PLLREG_LEVEL_V45 | SOR_PLL_0_RESISTOR_EXT;
- tegra_sor_writel(sor, value, SOR_PLL_0);
+ value = SOR_PLL0_ICHPMP(0xf) | SOR_PLL0_VCOCAP_RST |
+ SOR_PLL0_PLLREG_LEVEL_V45 | SOR_PLL0_RESISTOR_EXT;
+ tegra_sor_writel(sor, value, SOR_PLL0);
- value = tegra_sor_readl(sor, SOR_PLL_2);
- value |= SOR_PLL_2_SEQ_PLLCAPPD;
- value &= ~SOR_PLL_2_SEQ_PLLCAPPD_ENFORCE;
- value |= SOR_PLL_2_LVDS_ENABLE;
- tegra_sor_writel(sor, value, SOR_PLL_2);
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value |= SOR_PLL2_SEQ_PLLCAPPD;
+ value &= ~SOR_PLL2_SEQ_PLLCAPPD_ENFORCE;
+ value |= SOR_PLL2_LVDS_ENABLE;
+ tegra_sor_writel(sor, value, SOR_PLL2);
- value = SOR_PLL_1_TERM_COMPOUT | SOR_PLL_1_TMDS_TERM;
- tegra_sor_writel(sor, value, SOR_PLL_1);
+ value = SOR_PLL1_TERM_COMPOUT | SOR_PLL1_TMDS_TERM;
+ tegra_sor_writel(sor, value, SOR_PLL1);
while (true) {
- value = tegra_sor_readl(sor, SOR_PLL_2);
- if ((value & SOR_PLL_2_SEQ_PLLCAPPD_ENFORCE) == 0)
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ if ((value & SOR_PLL2_SEQ_PLLCAPPD_ENFORCE) == 0)
break;
usleep_range(250, 1000);
}
- value = tegra_sor_readl(sor, SOR_PLL_2);
- value &= ~SOR_PLL_2_POWERDOWN_OVERRIDE;
- value &= ~SOR_PLL_2_PORT_POWERDOWN;
- tegra_sor_writel(sor, value, SOR_PLL_2);
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value &= ~SOR_PLL2_POWERDOWN_OVERRIDE;
+ value &= ~SOR_PLL2_PORT_POWERDOWN;
+ tegra_sor_writel(sor, value, SOR_PLL2);
/*
* power up
@@ -1045,51 +1288,49 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
tegra_sor_writel(sor, value, SOR_CLK_CNTRL);
/* step 1 */
- value = tegra_sor_readl(sor, SOR_PLL_2);
- value |= SOR_PLL_2_SEQ_PLLCAPPD_ENFORCE | SOR_PLL_2_PORT_POWERDOWN |
- SOR_PLL_2_BANDGAP_POWERDOWN;
- tegra_sor_writel(sor, value, SOR_PLL_2);
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value |= SOR_PLL2_SEQ_PLLCAPPD_ENFORCE | SOR_PLL2_PORT_POWERDOWN |
+ SOR_PLL2_BANDGAP_POWERDOWN;
+ tegra_sor_writel(sor, value, SOR_PLL2);
- value = tegra_sor_readl(sor, SOR_PLL_0);
- value |= SOR_PLL_0_VCOPD | SOR_PLL_0_POWER_OFF;
- tegra_sor_writel(sor, value, SOR_PLL_0);
+ value = tegra_sor_readl(sor, SOR_PLL0);
+ value |= SOR_PLL0_VCOPD | SOR_PLL0_PWR;
+ tegra_sor_writel(sor, value, SOR_PLL0);
- value = tegra_sor_readl(sor, SOR_DP_PADCTL_0);
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
value &= ~SOR_DP_PADCTL_PAD_CAL_PD;
- tegra_sor_writel(sor, value, SOR_DP_PADCTL_0);
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
/* step 2 */
err = tegra_io_rail_power_on(TEGRA_IO_RAIL_LVDS);
- if (err < 0) {
+ if (err < 0)
dev_err(sor->dev, "failed to power on I/O rail: %d\n", err);
- goto unlock;
- }
usleep_range(5, 100);
/* step 3 */
- value = tegra_sor_readl(sor, SOR_PLL_2);
- value &= ~SOR_PLL_2_BANDGAP_POWERDOWN;
- tegra_sor_writel(sor, value, SOR_PLL_2);
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value &= ~SOR_PLL2_BANDGAP_POWERDOWN;
+ tegra_sor_writel(sor, value, SOR_PLL2);
usleep_range(20, 100);
/* step 4 */
- value = tegra_sor_readl(sor, SOR_PLL_0);
- value &= ~SOR_PLL_0_POWER_OFF;
- value &= ~SOR_PLL_0_VCOPD;
- tegra_sor_writel(sor, value, SOR_PLL_0);
+ value = tegra_sor_readl(sor, SOR_PLL0);
+ value &= ~SOR_PLL0_VCOPD;
+ value &= ~SOR_PLL0_PWR;
+ tegra_sor_writel(sor, value, SOR_PLL0);
- value = tegra_sor_readl(sor, SOR_PLL_2);
- value &= ~SOR_PLL_2_SEQ_PLLCAPPD_ENFORCE;
- tegra_sor_writel(sor, value, SOR_PLL_2);
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value &= ~SOR_PLL2_SEQ_PLLCAPPD_ENFORCE;
+ tegra_sor_writel(sor, value, SOR_PLL2);
usleep_range(200, 1000);
/* step 5 */
- value = tegra_sor_readl(sor, SOR_PLL_2);
- value &= ~SOR_PLL_2_PORT_POWERDOWN;
- tegra_sor_writel(sor, value, SOR_PLL_2);
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value &= ~SOR_PLL2_PORT_POWERDOWN;
+ tegra_sor_writel(sor, value, SOR_PLL2);
/* switch to DP clock */
err = clk_set_parent(sor->clk, sor->clk_dp);
@@ -1097,7 +1338,7 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
dev_err(sor->dev, "failed to set DP parent clock: %d\n", err);
/* power DP lanes */
- value = tegra_sor_readl(sor, SOR_DP_PADCTL_0);
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
if (link.num_lanes <= 2)
value &= ~(SOR_DP_PADCTL_PD_TXD_3 | SOR_DP_PADCTL_PD_TXD_2);
@@ -1114,12 +1355,12 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
else
value |= SOR_DP_PADCTL_PD_TXD_0;
- tegra_sor_writel(sor, value, SOR_DP_PADCTL_0);
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
- value = tegra_sor_readl(sor, SOR_DP_LINKCTL_0);
+ value = tegra_sor_readl(sor, SOR_DP_LINKCTL0);
value &= ~SOR_DP_LINKCTL_LANE_COUNT_MASK;
value |= SOR_DP_LINKCTL_LANE_COUNT(link.num_lanes);
- tegra_sor_writel(sor, value, SOR_DP_LINKCTL_0);
+ tegra_sor_writel(sor, value, SOR_DP_LINKCTL0);
/* start lane sequencer */
value = SOR_LANE_SEQ_CTL_TRIGGER | SOR_LANE_SEQ_CTL_SEQUENCE_DOWN |
@@ -1141,14 +1382,14 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
tegra_sor_writel(sor, value, SOR_CLK_CNTRL);
/* set linkctl */
- value = tegra_sor_readl(sor, SOR_DP_LINKCTL_0);
+ value = tegra_sor_readl(sor, SOR_DP_LINKCTL0);
value |= SOR_DP_LINKCTL_ENABLE;
value &= ~SOR_DP_LINKCTL_TU_SIZE_MASK;
value |= SOR_DP_LINKCTL_TU_SIZE(config.tu_size);
value |= SOR_DP_LINKCTL_ENHANCED_FRAME;
- tegra_sor_writel(sor, value, SOR_DP_LINKCTL_0);
+ tegra_sor_writel(sor, value, SOR_DP_LINKCTL0);
for (i = 0, value = 0; i < 4; i++) {
unsigned long lane = SOR_DP_TPG_CHANNEL_CODING |
@@ -1159,7 +1400,7 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
tegra_sor_writel(sor, value, SOR_DP_TPG);
- value = tegra_sor_readl(sor, SOR_DP_CONFIG_0);
+ value = tegra_sor_readl(sor, SOR_DP_CONFIG0);
value &= ~SOR_DP_CONFIG_WATERMARK_MASK;
value |= SOR_DP_CONFIG_WATERMARK(config.watermark);
@@ -1176,7 +1417,7 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
value |= SOR_DP_CONFIG_ACTIVE_SYM_ENABLE;
value |= SOR_DP_CONFIG_DISPARITY_NEGATIVE;
- tegra_sor_writel(sor, value, SOR_DP_CONFIG_0);
+ tegra_sor_writel(sor, value, SOR_DP_CONFIG0);
value = tegra_sor_readl(sor, SOR_DP_AUDIO_HBLANK_SYMBOLS);
value &= ~SOR_DP_AUDIO_HBLANK_SYMBOLS_MASK;
@@ -1189,33 +1430,27 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
tegra_sor_writel(sor, value, SOR_DP_AUDIO_VBLANK_SYMBOLS);
/* enable pad calibration logic */
- value = tegra_sor_readl(sor, SOR_DP_PADCTL_0);
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
value |= SOR_DP_PADCTL_PAD_CAL_PD;
- tegra_sor_writel(sor, value, SOR_DP_PADCTL_0);
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
if (sor->dpaux) {
u8 rate, lanes;
err = drm_dp_link_probe(aux, &link);
- if (err < 0) {
+ if (err < 0)
dev_err(sor->dev, "failed to probe eDP link: %d\n",
err);
- goto unlock;
- }
err = drm_dp_link_power_up(aux, &link);
- if (err < 0) {
+ if (err < 0)
dev_err(sor->dev, "failed to power up eDP link: %d\n",
err);
- goto unlock;
- }
err = drm_dp_link_configure(aux, &link);
- if (err < 0) {
+ if (err < 0)
dev_err(sor->dev, "failed to configure eDP link: %d\n",
err);
- goto unlock;
- }
rate = drm_dp_link_rate_to_bw_code(link.rate);
lanes = link.num_lanes;
@@ -1225,14 +1460,14 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
value |= SOR_CLK_CNTRL_DP_LINK_SPEED(rate);
tegra_sor_writel(sor, value, SOR_CLK_CNTRL);
- value = tegra_sor_readl(sor, SOR_DP_LINKCTL_0);
+ value = tegra_sor_readl(sor, SOR_DP_LINKCTL0);
value &= ~SOR_DP_LINKCTL_LANE_COUNT_MASK;
value |= SOR_DP_LINKCTL_LANE_COUNT(lanes);
if (link.capabilities & DP_LINK_CAP_ENHANCED_FRAMING)
value |= SOR_DP_LINKCTL_ENHANCED_FRAME;
- tegra_sor_writel(sor, value, SOR_DP_LINKCTL_0);
+ tegra_sor_writel(sor, value, SOR_DP_LINKCTL0);
/* disable training pattern generator */
@@ -1249,17 +1484,14 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
if (err < 0) {
dev_err(sor->dev, "DP fast link training failed: %d\n",
err);
- goto unlock;
}
dev_dbg(sor->dev, "fast link training succeeded\n");
}
err = tegra_sor_power_up(sor, 250);
- if (err < 0) {
+ if (err < 0)
dev_err(sor->dev, "failed to power up SOR: %d\n", err);
- goto unlock;
- }
/*
* configure panel (24bpp, vsync-, hsync-, DP-A protocol, complete
@@ -1295,7 +1527,7 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
break;
}
- tegra_sor_writel(sor, value, SOR_STATE_1);
+ tegra_sor_writel(sor, value, SOR_STATE1);
/*
* TODO: The video timing programming below doesn't seem to match the
@@ -1303,25 +1535,27 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
*/
value = ((mode->vtotal & 0x7fff) << 16) | (mode->htotal & 0x7fff);
- tegra_sor_writel(sor, value, SOR_HEAD_STATE_1(0));
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE1(dc->pipe));
vse = mode->vsync_end - mode->vsync_start - 1;
hse = mode->hsync_end - mode->hsync_start - 1;
value = ((vse & 0x7fff) << 16) | (hse & 0x7fff);
- tegra_sor_writel(sor, value, SOR_HEAD_STATE_2(0));
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE2(dc->pipe));
vbe = vse + (mode->vsync_start - mode->vdisplay);
hbe = hse + (mode->hsync_start - mode->hdisplay);
value = ((vbe & 0x7fff) << 16) | (hbe & 0x7fff);
- tegra_sor_writel(sor, value, SOR_HEAD_STATE_3(0));
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE3(dc->pipe));
vbs = vbe + mode->vdisplay;
hbs = hbe + mode->hdisplay;
value = ((vbs & 0x7fff) << 16) | (hbs & 0x7fff);
- tegra_sor_writel(sor, value, SOR_HEAD_STATE_4(0));
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE4(dc->pipe));
+
+ tegra_sor_writel(sor, 0x1, SOR_HEAD_STATE5(dc->pipe));
/* CSTM (LVDS, link A/B, upper) */
value = SOR_CSTM_LVDS | SOR_CSTM_LINK_ACT_A | SOR_CSTM_LINK_ACT_B |
@@ -1330,10 +1564,8 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
/* PWM setup */
err = tegra_sor_setup_pwm(sor, 250);
- if (err < 0) {
+ if (err < 0)
dev_err(sor->dev, "failed to setup PWM: %d\n", err);
- goto unlock;
- }
tegra_sor_update(sor);
@@ -1344,147 +1576,610 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
tegra_dc_commit(dc);
err = tegra_sor_attach(sor);
- if (err < 0) {
+ if (err < 0)
dev_err(sor->dev, "failed to attach SOR: %d\n", err);
- goto unlock;
- }
err = tegra_sor_wakeup(sor);
- if (err < 0) {
+ if (err < 0)
dev_err(sor->dev, "failed to enable DC: %d\n", err);
- goto unlock;
- }
if (output->panel)
drm_panel_enable(output->panel);
-
- sor->enabled = true;
-
-unlock:
- mutex_unlock(&sor->lock);
}
-static void tegra_sor_encoder_disable(struct drm_encoder *encoder)
+static int
+tegra_sor_encoder_atomic_check(struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
{
struct tegra_output *output = encoder_to_output(encoder);
- struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
+ struct tegra_dc *dc = to_tegra_dc(conn_state->crtc);
+ unsigned long pclk = crtc_state->mode.clock * 1000;
struct tegra_sor *sor = to_sor(output);
- u32 value;
int err;
- mutex_lock(&sor->lock);
+ err = tegra_dc_state_setup_clock(dc, crtc_state, sor->clk_parent,
+ pclk, 0);
+ if (err < 0) {
+ dev_err(output->dev, "failed to setup CRTC state: %d\n", err);
+ return err;
+ }
- if (!sor->enabled)
- goto unlock;
+ return 0;
+}
- if (output->panel)
- drm_panel_disable(output->panel);
+static const struct drm_encoder_helper_funcs tegra_sor_edp_helpers = {
+ .disable = tegra_sor_edp_disable,
+ .enable = tegra_sor_edp_enable,
+ .atomic_check = tegra_sor_encoder_atomic_check,
+};
- err = tegra_sor_detach(sor);
- if (err < 0) {
- dev_err(sor->dev, "failed to detach SOR: %d\n", err);
- goto unlock;
+static inline u32 tegra_sor_hdmi_subpack(const u8 *ptr, size_t size)
+{
+ u32 value = 0;
+ size_t i;
+
+ for (i = size; i > 0; i--)
+ value = (value << 8) | ptr[i - 1];
+
+ return value;
+}
+
+static void tegra_sor_hdmi_write_infopack(struct tegra_sor *sor,
+ const void *data, size_t size)
+{
+ const u8 *ptr = data;
+ unsigned long offset;
+ size_t i, j;
+ u32 value;
+
+ switch (ptr[0]) {
+ case HDMI_INFOFRAME_TYPE_AVI:
+ offset = SOR_HDMI_AVI_INFOFRAME_HEADER;
+ break;
+
+ case HDMI_INFOFRAME_TYPE_AUDIO:
+ offset = SOR_HDMI_AUDIO_INFOFRAME_HEADER;
+ break;
+
+ case HDMI_INFOFRAME_TYPE_VENDOR:
+ offset = SOR_HDMI_VSI_INFOFRAME_HEADER;
+ break;
+
+ default:
+ dev_err(sor->dev, "unsupported infoframe type: %02x\n",
+ ptr[0]);
+ return;
}
- tegra_sor_writel(sor, 0, SOR_STATE_1);
- tegra_sor_update(sor);
+ value = INFOFRAME_HEADER_TYPE(ptr[0]) |
+ INFOFRAME_HEADER_VERSION(ptr[1]) |
+ INFOFRAME_HEADER_LEN(ptr[2]);
+ tegra_sor_writel(sor, value, offset);
+ offset++;
/*
- * The following accesses registers of the display controller, so make
- * sure it's only executed when the output is attached to one.
+ * Each subpack contains 7 bytes, divided into:
+ * - subpack_low: bytes 0 - 3
+ * - subpack_high: bytes 4 - 6 (with byte 7 padded to 0x00)
*/
- if (dc) {
- value = tegra_dc_readl(dc, DC_DISP_DISP_WIN_OPTIONS);
- value &= ~SOR_ENABLE;
- tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
+ for (i = 3, j = 0; i < size; i += 7, j += 8) {
+ size_t rem = size - i, num = min_t(size_t, rem, 4);
- tegra_dc_commit(dc);
- }
+ value = tegra_sor_hdmi_subpack(&ptr[i], num);
+ tegra_sor_writel(sor, value, offset++);
- err = tegra_sor_power_down(sor);
- if (err < 0) {
- dev_err(sor->dev, "failed to power down SOR: %d\n", err);
- goto unlock;
+ num = min_t(size_t, rem - num, 3);
+
+ value = tegra_sor_hdmi_subpack(&ptr[i + 4], num);
+ tegra_sor_writel(sor, value, offset++);
}
+}
- if (sor->dpaux) {
- err = tegra_dpaux_disable(sor->dpaux);
- if (err < 0) {
- dev_err(sor->dev, "failed to disable DP: %d\n", err);
- goto unlock;
- }
+static int
+tegra_sor_hdmi_setup_avi_infoframe(struct tegra_sor *sor,
+ const struct drm_display_mode *mode)
+{
+ u8 buffer[HDMI_INFOFRAME_SIZE(AVI)];
+ struct hdmi_avi_infoframe frame;
+ u32 value;
+ int err;
+
+ /* disable AVI infoframe */
+ value = tegra_sor_readl(sor, SOR_HDMI_AVI_INFOFRAME_CTRL);
+ value &= ~INFOFRAME_CTRL_SINGLE;
+ value &= ~INFOFRAME_CTRL_OTHER;
+ value &= ~INFOFRAME_CTRL_ENABLE;
+ tegra_sor_writel(sor, value, SOR_HDMI_AVI_INFOFRAME_CTRL);
+
+ err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
+ if (err < 0) {
+ dev_err(sor->dev, "failed to setup AVI infoframe: %d\n", err);
+ return err;
}
- err = tegra_io_rail_power_off(TEGRA_IO_RAIL_LVDS);
+ err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
if (err < 0) {
- dev_err(sor->dev, "failed to power off I/O rail: %d\n", err);
- goto unlock;
+ dev_err(sor->dev, "failed to pack AVI infoframe: %d\n", err);
+ return err;
}
- if (output->panel)
- drm_panel_unprepare(output->panel);
+ tegra_sor_hdmi_write_infopack(sor, buffer, err);
- clk_disable_unprepare(sor->clk);
- reset_control_assert(sor->rst);
+ /* enable AVI infoframe */
+ value = tegra_sor_readl(sor, SOR_HDMI_AVI_INFOFRAME_CTRL);
+ value |= INFOFRAME_CTRL_CHECKSUM_ENABLE;
+ value |= INFOFRAME_CTRL_ENABLE;
+ tegra_sor_writel(sor, value, SOR_HDMI_AVI_INFOFRAME_CTRL);
- sor->enabled = false;
+ return 0;
+}
-unlock:
- mutex_unlock(&sor->lock);
+static void tegra_sor_hdmi_disable_audio_infoframe(struct tegra_sor *sor)
+{
+ u32 value;
+
+ value = tegra_sor_readl(sor, SOR_HDMI_AUDIO_INFOFRAME_CTRL);
+ value &= ~INFOFRAME_CTRL_ENABLE;
+ tegra_sor_writel(sor, value, SOR_HDMI_AUDIO_INFOFRAME_CTRL);
}
-static int
-tegra_sor_encoder_atomic_check(struct drm_encoder *encoder,
- struct drm_crtc_state *crtc_state,
- struct drm_connector_state *conn_state)
+static struct tegra_sor_hdmi_settings *
+tegra_sor_hdmi_find_settings(struct tegra_sor *sor, unsigned long frequency)
+{
+ unsigned int i;
+
+ for (i = 0; i < sor->num_settings; i++)
+ if (frequency <= sor->settings[i].frequency)
+ return &sor->settings[i];
+
+ return NULL;
+}
+
+static void tegra_sor_hdmi_disable(struct drm_encoder *encoder)
{
struct tegra_output *output = encoder_to_output(encoder);
- struct tegra_dc *dc = to_tegra_dc(conn_state->crtc);
- unsigned long pclk = crtc_state->mode.clock * 1000;
+ struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
struct tegra_sor *sor = to_sor(output);
+ u32 value;
int err;
- err = tegra_dc_state_setup_clock(dc, crtc_state, sor->clk_parent,
- pclk, 0);
- if (err < 0) {
- dev_err(output->dev, "failed to setup CRTC state: %d\n", err);
- return err;
+ err = tegra_sor_detach(sor);
+ if (err < 0)
+ dev_err(sor->dev, "failed to detach SOR: %d\n", err);
+
+ tegra_sor_writel(sor, 0, SOR_STATE1);
+ tegra_sor_update(sor);
+
+ /* disable display to SOR clock */
+ value = tegra_dc_readl(dc, DC_DISP_DISP_WIN_OPTIONS);
+ value &= ~SOR1_TIMING_CYA;
+ value &= ~SOR1_ENABLE;
+ tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
+
+ tegra_dc_commit(dc);
+
+ err = tegra_sor_power_down(sor);
+ if (err < 0)
+ dev_err(sor->dev, "failed to power down SOR: %d\n", err);
+
+ err = tegra_io_rail_power_off(TEGRA_IO_RAIL_HDMI);
+ if (err < 0)
+ dev_err(sor->dev, "failed to power off HDMI rail: %d\n", err);
+
+ reset_control_assert(sor->rst);
+ usleep_range(1000, 2000);
+ clk_disable_unprepare(sor->clk);
+}
+
+static void tegra_sor_hdmi_enable(struct drm_encoder *encoder)
+{
+ struct tegra_output *output = encoder_to_output(encoder);
+ unsigned int h_ref_to_sync = 1, pulse_start, max_ac;
+ struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
+ unsigned int vbe, vse, hbe, hse, vbs, hbs, div;
+ struct tegra_sor_hdmi_settings *settings;
+ struct tegra_sor *sor = to_sor(output);
+ struct drm_display_mode *mode;
+ struct drm_display_info *info;
+ u32 value;
+ int err;
+
+ mode = &encoder->crtc->state->adjusted_mode;
+ info = &output->connector.display_info;
+
+ err = clk_prepare_enable(sor->clk);
+ if (err < 0)
+ dev_err(sor->dev, "failed to enable clock: %d\n", err);
+
+ usleep_range(1000, 2000);
+
+ reset_control_deassert(sor->rst);
+
+ err = clk_set_parent(sor->clk, sor->clk_safe);
+ if (err < 0)
+ dev_err(sor->dev, "failed to set safe parent clock: %d\n", err);
+
+ div = clk_get_rate(sor->clk) / 1000000 * 4;
+
+ err = tegra_io_rail_power_on(TEGRA_IO_RAIL_HDMI);
+ if (err < 0)
+ dev_err(sor->dev, "failed to power on HDMI rail: %d\n", err);
+
+ usleep_range(20, 100);
+
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value &= ~SOR_PLL2_BANDGAP_POWERDOWN;
+ tegra_sor_writel(sor, value, SOR_PLL2);
+
+ usleep_range(20, 100);
+
+ value = tegra_sor_readl(sor, SOR_PLL3);
+ value &= ~SOR_PLL3_PLL_VDD_MODE_3V3;
+ tegra_sor_writel(sor, value, SOR_PLL3);
+
+ value = tegra_sor_readl(sor, SOR_PLL0);
+ value &= ~SOR_PLL0_VCOPD;
+ value &= ~SOR_PLL0_PWR;
+ tegra_sor_writel(sor, value, SOR_PLL0);
+
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value &= ~SOR_PLL2_SEQ_PLLCAPPD_ENFORCE;
+ tegra_sor_writel(sor, value, SOR_PLL2);
+
+ usleep_range(200, 400);
+
+ value = tegra_sor_readl(sor, SOR_PLL2);
+ value &= ~SOR_PLL2_POWERDOWN_OVERRIDE;
+ value &= ~SOR_PLL2_PORT_POWERDOWN;
+ tegra_sor_writel(sor, value, SOR_PLL2);
+
+ usleep_range(20, 100);
+
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
+ value |= SOR_DP_PADCTL_PD_TXD_3 | SOR_DP_PADCTL_PD_TXD_0 |
+ SOR_DP_PADCTL_PD_TXD_1 | SOR_DP_PADCTL_PD_TXD_2;
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
+
+ while (true) {
+ value = tegra_sor_readl(sor, SOR_LANE_SEQ_CTL);
+ if ((value & SOR_LANE_SEQ_CTL_STATE_BUSY) == 0)
+ break;
+
+ usleep_range(250, 1000);
}
- return 0;
+ value = SOR_LANE_SEQ_CTL_TRIGGER | SOR_LANE_SEQ_CTL_SEQUENCE_DOWN |
+ SOR_LANE_SEQ_CTL_POWER_STATE_UP | SOR_LANE_SEQ_CTL_DELAY(5);
+ tegra_sor_writel(sor, value, SOR_LANE_SEQ_CTL);
+
+ while (true) {
+ value = tegra_sor_readl(sor, SOR_LANE_SEQ_CTL);
+ if ((value & SOR_LANE_SEQ_CTL_TRIGGER) == 0)
+ break;
+
+ usleep_range(250, 1000);
+ }
+
+ value = tegra_sor_readl(sor, SOR_CLK_CNTRL);
+ value &= ~SOR_CLK_CNTRL_DP_LINK_SPEED_MASK;
+ value &= ~SOR_CLK_CNTRL_DP_CLK_SEL_MASK;
+
+ if (mode->clock < 340000)
+ value |= SOR_CLK_CNTRL_DP_LINK_SPEED_G2_70;
+ else
+ value |= SOR_CLK_CNTRL_DP_LINK_SPEED_G5_40;
+
+ value |= SOR_CLK_CNTRL_DP_CLK_SEL_SINGLE_PCLK;
+ tegra_sor_writel(sor, value, SOR_CLK_CNTRL);
+
+ value = tegra_sor_readl(sor, SOR_DP_SPARE0);
+ value |= SOR_DP_SPARE_DISP_VIDEO_PREAMBLE;
+ value &= ~SOR_DP_SPARE_PANEL_INTERNAL;
+ value |= SOR_DP_SPARE_SEQ_ENABLE;
+ tegra_sor_writel(sor, value, SOR_DP_SPARE0);
+
+ value = SOR_SEQ_CTL_PU_PC(0) | SOR_SEQ_CTL_PU_PC_ALT(0) |
+ SOR_SEQ_CTL_PD_PC(8) | SOR_SEQ_CTL_PD_PC_ALT(8);
+ tegra_sor_writel(sor, value, SOR_SEQ_CTL);
+
+ value = SOR_SEQ_INST_DRIVE_PWM_OUT_LO | SOR_SEQ_INST_HALT |
+ SOR_SEQ_INST_WAIT_VSYNC | SOR_SEQ_INST_WAIT(1);
+ tegra_sor_writel(sor, value, SOR_SEQ_INST(0));
+ tegra_sor_writel(sor, value, SOR_SEQ_INST(8));
+
+ /* program the reference clock */
+ value = SOR_REFCLK_DIV_INT(div) | SOR_REFCLK_DIV_FRAC(div);
+ tegra_sor_writel(sor, value, SOR_REFCLK);
+
+ /* XXX don't hardcode */
+ value = SOR_XBAR_CTRL_LINK1_XSEL(4, 4) |
+ SOR_XBAR_CTRL_LINK1_XSEL(3, 3) |
+ SOR_XBAR_CTRL_LINK1_XSEL(2, 2) |
+ SOR_XBAR_CTRL_LINK1_XSEL(1, 1) |
+ SOR_XBAR_CTRL_LINK1_XSEL(0, 0) |
+ SOR_XBAR_CTRL_LINK0_XSEL(4, 4) |
+ SOR_XBAR_CTRL_LINK0_XSEL(3, 3) |
+ SOR_XBAR_CTRL_LINK0_XSEL(2, 0) |
+ SOR_XBAR_CTRL_LINK0_XSEL(1, 1) |
+ SOR_XBAR_CTRL_LINK0_XSEL(0, 2);
+ tegra_sor_writel(sor, value, SOR_XBAR_CTRL);
+
+ tegra_sor_writel(sor, 0x00000000, SOR_XBAR_POL);
+
+ err = clk_set_parent(sor->clk, sor->clk_parent);
+ if (err < 0)
+ dev_err(sor->dev, "failed to set parent clock: %d\n", err);
+
+ value = SOR_INPUT_CONTROL_HDMI_SRC_SELECT(dc->pipe);
+
+ /* XXX is this the proper check? */
+ if (mode->clock < 75000)
+ value |= SOR_INPUT_CONTROL_ARM_VIDEO_RANGE_LIMITED;
+
+ tegra_sor_writel(sor, value, SOR_INPUT_CONTROL);
+
+ max_ac = ((mode->htotal - mode->hdisplay) - SOR_REKEY - 18) / 32;
+
+ value = SOR_HDMI_CTRL_ENABLE | SOR_HDMI_CTRL_MAX_AC_PACKET(max_ac) |
+ SOR_HDMI_CTRL_AUDIO_LAYOUT | SOR_HDMI_CTRL_REKEY(SOR_REKEY);
+ tegra_sor_writel(sor, value, SOR_HDMI_CTRL);
+
+ /* H_PULSE2 setup */
+ pulse_start = h_ref_to_sync + (mode->hsync_end - mode->hsync_start) +
+ (mode->htotal - mode->hsync_end) - 10;
+
+ value = PULSE_LAST_END_A | PULSE_QUAL_VACTIVE |
+ PULSE_POLARITY_HIGH | PULSE_MODE_NORMAL;
+ tegra_dc_writel(dc, value, DC_DISP_H_PULSE2_CONTROL);
+
+ value = PULSE_END(pulse_start + 8) | PULSE_START(pulse_start);
+ tegra_dc_writel(dc, value, DC_DISP_H_PULSE2_POSITION_A);
+
+ value = tegra_dc_readl(dc, DC_DISP_DISP_SIGNAL_OPTIONS0);
+ value |= H_PULSE2_ENABLE;
+ tegra_dc_writel(dc, value, DC_DISP_DISP_SIGNAL_OPTIONS0);
+
+ /* infoframe setup */
+ err = tegra_sor_hdmi_setup_avi_infoframe(sor, mode);
+ if (err < 0)
+ dev_err(sor->dev, "failed to setup AVI infoframe: %d\n", err);
+
+ /* XXX HDMI audio support not implemented yet */
+ tegra_sor_hdmi_disable_audio_infoframe(sor);
+
+ /* use single TMDS protocol */
+ value = tegra_sor_readl(sor, SOR_STATE1);
+ value &= ~SOR_STATE_ASY_PROTOCOL_MASK;
+ value |= SOR_STATE_ASY_PROTOCOL_SINGLE_TMDS_A;
+ tegra_sor_writel(sor, value, SOR_STATE1);
+
+ /* power up pad calibration */
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
+ value &= ~SOR_DP_PADCTL_PAD_CAL_PD;
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
+
+ /* production settings */
+ settings = tegra_sor_hdmi_find_settings(sor, mode->clock * 1000);
+ if (IS_ERR(settings)) {
+ dev_err(sor->dev, "no settings for pixel clock %d Hz: %ld\n",
+ mode->clock * 1000, PTR_ERR(settings));
+ return;
+ }
+
+ value = tegra_sor_readl(sor, SOR_PLL0);
+ value &= ~SOR_PLL0_ICHPMP_MASK;
+ value &= ~SOR_PLL0_VCOCAP_MASK;
+ value |= SOR_PLL0_ICHPMP(settings->ichpmp);
+ value |= SOR_PLL0_VCOCAP(settings->vcocap);
+ tegra_sor_writel(sor, value, SOR_PLL0);
+
+ tegra_sor_dp_term_calibrate(sor);
+
+ value = tegra_sor_readl(sor, SOR_PLL1);
+ value &= ~SOR_PLL1_LOADADJ_MASK;
+ value |= SOR_PLL1_LOADADJ(settings->loadadj);
+ tegra_sor_writel(sor, value, SOR_PLL1);
+
+ value = tegra_sor_readl(sor, SOR_PLL3);
+ value &= ~SOR_PLL3_BG_VREF_LEVEL_MASK;
+ value |= SOR_PLL3_BG_VREF_LEVEL(settings->bg_vref);
+ tegra_sor_writel(sor, value, SOR_PLL3);
+
+ value = settings->drive_current[0] << 24 |
+ settings->drive_current[1] << 16 |
+ settings->drive_current[2] << 8 |
+ settings->drive_current[3] << 0;
+ tegra_sor_writel(sor, value, SOR_LANE_DRIVE_CURRENT0);
+
+ value = settings->preemphasis[0] << 24 |
+ settings->preemphasis[1] << 16 |
+ settings->preemphasis[2] << 8 |
+ settings->preemphasis[3] << 0;
+ tegra_sor_writel(sor, value, SOR_LANE_PREEMPHASIS0);
+
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
+ value &= ~SOR_DP_PADCTL_TX_PU_MASK;
+ value |= SOR_DP_PADCTL_TX_PU_ENABLE;
+ value |= SOR_DP_PADCTL_TX_PU(settings->tx_pu);
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
+
+ /* power down pad calibration */
+ value = tegra_sor_readl(sor, SOR_DP_PADCTL0);
+ value |= SOR_DP_PADCTL_PAD_CAL_PD;
+ tegra_sor_writel(sor, value, SOR_DP_PADCTL0);
+
+ /* miscellaneous display controller settings */
+ value = VSYNC_H_POSITION(1);
+ tegra_dc_writel(dc, value, DC_DISP_DISP_TIMING_OPTIONS);
+
+ value = tegra_dc_readl(dc, DC_DISP_DISP_COLOR_CONTROL);
+ value &= ~DITHER_CONTROL_MASK;
+ value &= ~BASE_COLOR_SIZE_MASK;
+
+ switch (info->bpc) {
+ case 6:
+ value |= BASE_COLOR_SIZE_666;
+ break;
+
+ case 8:
+ value |= BASE_COLOR_SIZE_888;
+ break;
+
+ default:
+ WARN(1, "%u bits-per-color not supported\n", info->bpc);
+ break;
+ }
+
+ tegra_dc_writel(dc, value, DC_DISP_DISP_COLOR_CONTROL);
+
+ err = tegra_sor_power_up(sor, 250);
+ if (err < 0)
+ dev_err(sor->dev, "failed to power up SOR: %d\n", err);
+
+ /* configure mode */
+ value = tegra_sor_readl(sor, SOR_STATE1);
+ value &= ~SOR_STATE_ASY_PIXELDEPTH_MASK;
+ value &= ~SOR_STATE_ASY_CRC_MODE_MASK;
+ value &= ~SOR_STATE_ASY_OWNER_MASK;
+
+ value |= SOR_STATE_ASY_CRC_MODE_COMPLETE |
+ SOR_STATE_ASY_OWNER(dc->pipe + 1);
+
+ if (mode->flags & DRM_MODE_FLAG_PHSYNC)
+ value &= ~SOR_STATE_ASY_HSYNCPOL;
+
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ value |= SOR_STATE_ASY_HSYNCPOL;
+
+ if (mode->flags & DRM_MODE_FLAG_PVSYNC)
+ value &= ~SOR_STATE_ASY_VSYNCPOL;
+
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ value |= SOR_STATE_ASY_VSYNCPOL;
+
+ switch (info->bpc) {
+ case 8:
+ value |= SOR_STATE_ASY_PIXELDEPTH_BPP_24_444;
+ break;
+
+ case 6:
+ value |= SOR_STATE_ASY_PIXELDEPTH_BPP_18_444;
+ break;
+
+ default:
+ BUG();
+ break;
+ }
+
+ tegra_sor_writel(sor, value, SOR_STATE1);
+
+ value = tegra_sor_readl(sor, SOR_HEAD_STATE0(dc->pipe));
+ value &= ~SOR_HEAD_STATE_RANGECOMPRESS_MASK;
+ value &= ~SOR_HEAD_STATE_DYNRANGE_MASK;
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE0(dc->pipe));
+
+ value = tegra_sor_readl(sor, SOR_HEAD_STATE0(dc->pipe));
+ value &= ~SOR_HEAD_STATE_COLORSPACE_MASK;
+ value |= SOR_HEAD_STATE_COLORSPACE_RGB;
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE0(dc->pipe));
+
+ /*
+ * TODO: The video timing programming below doesn't seem to match the
+ * register definitions.
+ */
+
+ value = ((mode->vtotal & 0x7fff) << 16) | (mode->htotal & 0x7fff);
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE1(dc->pipe));
+
+ /* sync end = sync width - 1 */
+ vse = mode->vsync_end - mode->vsync_start - 1;
+ hse = mode->hsync_end - mode->hsync_start - 1;
+
+ value = ((vse & 0x7fff) << 16) | (hse & 0x7fff);
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE2(dc->pipe));
+
+ /* blank end = sync end + back porch */
+ vbe = vse + (mode->vtotal - mode->vsync_end);
+ hbe = hse + (mode->htotal - mode->hsync_end);
+
+ value = ((vbe & 0x7fff) << 16) | (hbe & 0x7fff);
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE3(dc->pipe));
+
+ /* blank start = blank end + active */
+ vbs = vbe + mode->vdisplay;
+ hbs = hbe + mode->hdisplay;
+
+ value = ((vbs & 0x7fff) << 16) | (hbs & 0x7fff);
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE4(dc->pipe));
+
+ tegra_sor_writel(sor, 0x1, SOR_HEAD_STATE5(dc->pipe));
+
+ tegra_sor_update(sor);
+
+ err = tegra_sor_attach(sor);
+ if (err < 0)
+ dev_err(sor->dev, "failed to attach SOR: %d\n", err);
+
+ /* enable display to SOR clock and generate HDMI preamble */
+ value = tegra_dc_readl(dc, DC_DISP_DISP_WIN_OPTIONS);
+ value |= SOR1_ENABLE | SOR1_TIMING_CYA;
+ tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
+
+ tegra_dc_commit(dc);
+
+ err = tegra_sor_wakeup(sor);
+ if (err < 0)
+ dev_err(sor->dev, "failed to wakeup SOR: %d\n", err);
}
-static const struct drm_encoder_helper_funcs tegra_sor_encoder_helper_funcs = {
- .dpms = tegra_sor_encoder_dpms,
- .prepare = tegra_sor_encoder_prepare,
- .commit = tegra_sor_encoder_commit,
- .mode_set = tegra_sor_encoder_mode_set,
- .disable = tegra_sor_encoder_disable,
+static const struct drm_encoder_helper_funcs tegra_sor_hdmi_helpers = {
+ .disable = tegra_sor_hdmi_disable,
+ .enable = tegra_sor_hdmi_enable,
.atomic_check = tegra_sor_encoder_atomic_check,
};
static int tegra_sor_init(struct host1x_client *client)
{
struct drm_device *drm = dev_get_drvdata(client->parent);
+ const struct drm_encoder_helper_funcs *helpers = NULL;
struct tegra_sor *sor = host1x_client_to_sor(client);
+ int connector = DRM_MODE_CONNECTOR_Unknown;
+ int encoder = DRM_MODE_ENCODER_NONE;
int err;
- if (!sor->dpaux)
- return -ENODEV;
+ if (!sor->dpaux) {
+ if (sor->soc->supports_hdmi) {
+ connector = DRM_MODE_CONNECTOR_HDMIA;
+ encoder = DRM_MODE_ENCODER_TMDS;
+ helpers = &tegra_sor_hdmi_helpers;
+ } else if (sor->soc->supports_lvds) {
+ connector = DRM_MODE_CONNECTOR_LVDS;
+ encoder = DRM_MODE_ENCODER_LVDS;
+ }
+ } else {
+ if (sor->soc->supports_edp) {
+ connector = DRM_MODE_CONNECTOR_eDP;
+ encoder = DRM_MODE_ENCODER_TMDS;
+ helpers = &tegra_sor_edp_helpers;
+ } else if (sor->soc->supports_dp) {
+ connector = DRM_MODE_CONNECTOR_DisplayPort;
+ encoder = DRM_MODE_ENCODER_TMDS;
+ }
+ }
sor->output.dev = sor->dev;
drm_connector_init(drm, &sor->output.connector,
&tegra_sor_connector_funcs,
- DRM_MODE_CONNECTOR_eDP);
+ connector);
drm_connector_helper_add(&sor->output.connector,
&tegra_sor_connector_helper_funcs);
sor->output.connector.dpms = DRM_MODE_DPMS_OFF;
drm_encoder_init(drm, &sor->output.encoder, &tegra_sor_encoder_funcs,
- DRM_MODE_ENCODER_TMDS);
- drm_encoder_helper_add(&sor->output.encoder,
- &tegra_sor_encoder_helper_funcs);
+ encoder);
+ drm_encoder_helper_add(&sor->output.encoder, helpers);
drm_mode_connector_attach_encoder(&sor->output.connector,
&sor->output.encoder);
@@ -1577,18 +2272,130 @@ static const struct host1x_client_ops sor_client_ops = {
.exit = tegra_sor_exit,
};
+static const struct tegra_sor_ops tegra_sor_edp_ops = {
+ .name = "eDP",
+};
+
+static int tegra_sor_hdmi_probe(struct tegra_sor *sor)
+{
+ int err;
+
+ sor->avdd_io_supply = devm_regulator_get(sor->dev, "avdd-io");
+ if (IS_ERR(sor->avdd_io_supply)) {
+ dev_err(sor->dev, "cannot get AVDD I/O supply: %ld\n",
+ PTR_ERR(sor->avdd_io_supply));
+ return PTR_ERR(sor->avdd_io_supply);
+ }
+
+ err = regulator_enable(sor->avdd_io_supply);
+ if (err < 0) {
+ dev_err(sor->dev, "failed to enable AVDD I/O supply: %d\n",
+ err);
+ return err;
+ }
+
+ sor->vdd_pll_supply = devm_regulator_get(sor->dev, "vdd-pll");
+ if (IS_ERR(sor->vdd_pll_supply)) {
+ dev_err(sor->dev, "cannot get VDD PLL supply: %ld\n",
+ PTR_ERR(sor->vdd_pll_supply));
+ return PTR_ERR(sor->vdd_pll_supply);
+ }
+
+ err = regulator_enable(sor->vdd_pll_supply);
+ if (err < 0) {
+ dev_err(sor->dev, "failed to enable VDD PLL supply: %d\n",
+ err);
+ return err;
+ }
+
+ sor->hdmi_supply = devm_regulator_get(sor->dev, "hdmi");
+ if (IS_ERR(sor->hdmi_supply)) {
+ dev_err(sor->dev, "cannot get HDMI supply: %ld\n",
+ PTR_ERR(sor->hdmi_supply));
+ return PTR_ERR(sor->hdmi_supply);
+ }
+
+ err = regulator_enable(sor->hdmi_supply);
+ if (err < 0) {
+ dev_err(sor->dev, "failed to enable HDMI supply: %d\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static int tegra_sor_hdmi_remove(struct tegra_sor *sor)
+{
+ regulator_disable(sor->hdmi_supply);
+ regulator_disable(sor->vdd_pll_supply);
+ regulator_disable(sor->avdd_io_supply);
+
+ return 0;
+}
+
+static const struct tegra_sor_ops tegra_sor_hdmi_ops = {
+ .name = "HDMI",
+ .probe = tegra_sor_hdmi_probe,
+ .remove = tegra_sor_hdmi_remove,
+};
+
+static const struct tegra_sor_soc tegra124_sor = {
+ .supports_edp = true,
+ .supports_lvds = true,
+ .supports_hdmi = false,
+ .supports_dp = false,
+};
+
+static const struct tegra_sor_soc tegra210_sor = {
+ .supports_edp = true,
+ .supports_lvds = false,
+ .supports_hdmi = false,
+ .supports_dp = false,
+};
+
+static const struct tegra_sor_soc tegra210_sor1 = {
+ .supports_edp = false,
+ .supports_lvds = false,
+ .supports_hdmi = true,
+ .supports_dp = true,
+
+ .num_settings = ARRAY_SIZE(tegra210_sor_hdmi_defaults),
+ .settings = tegra210_sor_hdmi_defaults,
+};
+
+static const struct of_device_id tegra_sor_of_match[] = {
+ { .compatible = "nvidia,tegra210-sor1", .data = &tegra210_sor1 },
+ { .compatible = "nvidia,tegra210-sor", .data = &tegra210_sor },
+ { .compatible = "nvidia,tegra124-sor", .data = &tegra124_sor },
+ { },
+};
+MODULE_DEVICE_TABLE(of, tegra_sor_of_match);
+
static int tegra_sor_probe(struct platform_device *pdev)
{
+ const struct of_device_id *match;
struct device_node *np;
struct tegra_sor *sor;
struct resource *regs;
int err;
+ match = of_match_device(tegra_sor_of_match, &pdev->dev);
+
sor = devm_kzalloc(&pdev->dev, sizeof(*sor), GFP_KERNEL);
if (!sor)
return -ENOMEM;
sor->output.dev = sor->dev = &pdev->dev;
+ sor->soc = match->data;
+
+ sor->settings = devm_kmemdup(&pdev->dev, sor->soc->settings,
+ sor->soc->num_settings *
+ sizeof(*sor->settings),
+ GFP_KERNEL);
+ if (!sor->settings)
+ return -ENOMEM;
+
+ sor->num_settings = sor->soc->num_settings;
np = of_parse_phandle(pdev->dev.of_node, "nvidia,dpaux", 0);
if (np) {
@@ -1599,51 +2406,106 @@ static int tegra_sor_probe(struct platform_device *pdev)
return -EPROBE_DEFER;
}
+ if (!sor->dpaux) {
+ if (sor->soc->supports_hdmi) {
+ sor->ops = &tegra_sor_hdmi_ops;
+ } else if (sor->soc->supports_lvds) {
+ dev_err(&pdev->dev, "LVDS not supported yet\n");
+ return -ENODEV;
+ } else {
+ dev_err(&pdev->dev, "unknown (non-DP) support\n");
+ return -ENODEV;
+ }
+ } else {
+ if (sor->soc->supports_edp) {
+ sor->ops = &tegra_sor_edp_ops;
+ } else if (sor->soc->supports_dp) {
+ dev_err(&pdev->dev, "DisplayPort not supported yet\n");
+ return -ENODEV;
+ } else {
+ dev_err(&pdev->dev, "unknown (DP) support\n");
+ return -ENODEV;
+ }
+ }
+
err = tegra_output_probe(&sor->output);
- if (err < 0)
+ if (err < 0) {
+ dev_err(&pdev->dev, "failed to probe output: %d\n", err);
return err;
+ }
+
+ if (sor->ops && sor->ops->probe) {
+ err = sor->ops->probe(sor);
+ if (err < 0) {
+ dev_err(&pdev->dev, "failed to probe %s: %d\n",
+ sor->ops->name, err);
+ goto output;
+ }
+ }
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
sor->regs = devm_ioremap_resource(&pdev->dev, regs);
- if (IS_ERR(sor->regs))
- return PTR_ERR(sor->regs);
+ if (IS_ERR(sor->regs)) {
+ err = PTR_ERR(sor->regs);
+ goto remove;
+ }
sor->rst = devm_reset_control_get(&pdev->dev, "sor");
- if (IS_ERR(sor->rst))
- return PTR_ERR(sor->rst);
+ if (IS_ERR(sor->rst)) {
+ err = PTR_ERR(sor->rst);
+ dev_err(&pdev->dev, "failed to get reset control: %d\n", err);
+ goto remove;
+ }
sor->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(sor->clk))
- return PTR_ERR(sor->clk);
+ if (IS_ERR(sor->clk)) {
+ err = PTR_ERR(sor->clk);
+ dev_err(&pdev->dev, "failed to get module clock: %d\n", err);
+ goto remove;
+ }
sor->clk_parent = devm_clk_get(&pdev->dev, "parent");
- if (IS_ERR(sor->clk_parent))
- return PTR_ERR(sor->clk_parent);
+ if (IS_ERR(sor->clk_parent)) {
+ err = PTR_ERR(sor->clk_parent);
+ dev_err(&pdev->dev, "failed to get parent clock: %d\n", err);
+ goto remove;
+ }
sor->clk_safe = devm_clk_get(&pdev->dev, "safe");
- if (IS_ERR(sor->clk_safe))
- return PTR_ERR(sor->clk_safe);
+ if (IS_ERR(sor->clk_safe)) {
+ err = PTR_ERR(sor->clk_safe);
+ dev_err(&pdev->dev, "failed to get safe clock: %d\n", err);
+ goto remove;
+ }
sor->clk_dp = devm_clk_get(&pdev->dev, "dp");
- if (IS_ERR(sor->clk_dp))
- return PTR_ERR(sor->clk_dp);
+ if (IS_ERR(sor->clk_dp)) {
+ err = PTR_ERR(sor->clk_dp);
+ dev_err(&pdev->dev, "failed to get DP clock: %d\n", err);
+ goto remove;
+ }
INIT_LIST_HEAD(&sor->client.list);
sor->client.ops = &sor_client_ops;
sor->client.dev = &pdev->dev;
- mutex_init(&sor->lock);
-
err = host1x_client_register(&sor->client);
if (err < 0) {
dev_err(&pdev->dev, "failed to register host1x client: %d\n",
err);
- return err;
+ goto remove;
}
platform_set_drvdata(pdev, sor);
return 0;
+
+remove:
+ if (sor->ops && sor->ops->remove)
+ sor->ops->remove(sor);
+output:
+ tegra_output_remove(&sor->output);
+ return err;
}
static int tegra_sor_remove(struct platform_device *pdev)
@@ -1658,17 +2520,17 @@ static int tegra_sor_remove(struct platform_device *pdev)
return err;
}
+ if (sor->ops && sor->ops->remove) {
+ err = sor->ops->remove(sor);
+ if (err < 0)
+ dev_err(&pdev->dev, "failed to remove SOR: %d\n", err);
+ }
+
tegra_output_remove(&sor->output);
return 0;
}
-static const struct of_device_id tegra_sor_of_match[] = {
- { .compatible = "nvidia,tegra124-sor", },
- { },
-};
-MODULE_DEVICE_TABLE(of, tegra_sor_of_match);
-
struct platform_driver tegra_sor_driver = {
.driver = {
.name = "tegra-sor",
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-26 15:06:08 +0300