diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-04 15:49:32 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-04 15:49:32 -0700 |
commit | f377ea88b862bf7151be96d276f4cb740f8e1c41 (patch) | |
tree | 6205913431c012e285316281b6221a20d4a92128 /drivers/gpu/drm/tegra/sor.c | |
parent | 51e771c0d25b43d0f12b2c7c01939942becbbe28 (diff) | |
parent | 73bf1b7be7aab60d7c651402441dd0b0b4991098 (diff) |
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
"This is the main pull request for the drm for 4.3. Nouveau is
probably the biggest amount of changes in here, since it missed 4.2.
Highlights below, along with the usual bunch of fixes.
All stuff outside drm should have applicable acks.
Highlights:
- new drivers:
freescale dcu kms driver
- core:
more atomic fixes
disable some dri1 interfaces on kms drivers
drop fb panic handling, this was just getting more broken, as more locking was required.
new core fbdev Kconfig support - instead of each driver enable/disabling it
struct_mutex cleanups
- panel:
more new panels
cleanup Kconfig
- i915:
Skylake support enabled by default
legacy modesetting using atomic infrastructure
Skylake fixes
GEN9 workarounds
- amdgpu:
Fiji support
CGS support for amdgpu
Initial GPU scheduler - off by default
Lots of bug fixes and optimisations.
- radeon:
DP fixes
misc fixes
- amdkfd:
Add Carrizo support for amdkfd using amdgpu.
- nouveau:
long pending cleanup to complete driver,
fully bisectable which makes it larger,
perfmon work
more reclocking improvements
maxwell displayport fixes
- vmwgfx:
new DX device support, supports OpenGL 3.3
screen targets support
- mgag200:
G200eW support
G200e new revision support
- msm:
dragonboard 410c support, msm8x94 support, msm8x74v1 support
yuv format support
dma plane support
mdp5 rotation
initial hdcp
- sti:
atomic support
- exynos:
lots of cleanups
atomic modesetting/pageflipping support
render node support
- tegra:
tegra210 support (dc, dsi, dp/hdmi)
dpms with atomic modesetting support
- atmel:
support for 3 more atmel SoCs
new input formats, PRIME support.
- dwhdmi:
preparing to add audio support
- rockchip:
yuv plane support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1369 commits)
drm/amdgpu: rename gmc_v8_0_init_compute_vmid
drm/amdgpu: fix vce3 instance handling
drm/amdgpu: remove ib test for the second VCE Ring
drm/amdgpu: properly enable VM fault interrupts
drm/amdgpu: fix warning in scheduler
drm/amdgpu: fix buffer placement under memory pressure
drm/amdgpu/cz: fix cz_dpm_update_low_memory_pstate logic
drm/amdgpu: fix typo in dce11 watermark setup
drm/amdgpu: fix typo in dce10 watermark setup
drm/amdgpu: use top down allocation for non-CPU accessible vram
drm/amdgpu: be explicit about cpu vram access for driver BOs (v2)
drm/amdgpu: set MEC doorbell range for Fiji
drm/amdgpu: implement burst NOP for SDMA
drm/amdgpu: add insert_nop ring func and default implementation
drm/amdgpu: add amdgpu_get_sdma_instance helper function
drm/amdgpu: add AMDGPU_MAX_SDMA_INSTANCES
drm/amdgpu: add burst_nop flag for sdma
drm/amdgpu: add count field for the SDMA NOP packet v2
drm/amdgpu: use PT for VM sync on unmap
drm/amdgpu: make wait_event uninterruptible in push_job
...
Diffstat (limited to 'drivers/gpu/drm/tegra/sor.c')
-rw-r--r-- | drivers/gpu/drm/tegra/sor.c | 1606 |
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", |