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提交 bef2c7bd 编写于 作者: D Dave Airlie
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Merge tag 'drm/tegra/for-4.3-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next 

drm/tegra: Changes for v4.3-rc1

There are a bunch of non-critical fixes here that I've collected over
the past few months, but the biggest part is Tegra210 support, in the
DC, DSI and SOR/HDMI drivers.

Also this finally restores DPMS with atomic mode-setting, something
that has been broken since the conversion and which I had originally
expected to take far less longer to fix.

* tag 'drm/tegra/for-4.3-rc1' of git://anongit.freedesktop.org/tegra/linux: (41 commits)
  drm/tegra: sor: Add HDMI support
  drm/tegra: sor: Add Tegra210 eDP support
  drm/tegra: dc: Implement atomic DPMS
  drm/tegra: sor: Restore DPMS
  drm/tegra: dsi: Restore DPMS
  drm/tegra: hdmi: Restore DPMS
  drm/tegra: rgb: Restore DPMS
  drm/tegra: sor: Use DRM debugfs infrastructure for CRC
  drm/tegra: sor: Write correct head state registers
  drm/tegra: sor: Constify display mode
  drm/tegra: sor: Reset the correct debugfs fields
  drm/tegra: sor: Set minor after debugfs initialization
  drm/tegra: sor: Provide error messages in probe
  drm/tegra: sor: Rename registers for consistency
  drm/tegra: dpaux: Disable interrupt when detached
  drm/tegra: dpaux: Configure pads as I2C by default
  drm/tegra: dpaux: Provide error message in probe
  drm/tegra: dsi: Add Tegra210 support
  drm/tegra: dsi: Add Tegra132 support
  drm/tegra: dsi: Add Tegra124 support
  ...
上级 3ff8e509 459cc2c6
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Showing with 2103 addition and 808 deletion
Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt
浏览文件 @ bef2c7bd
......@@ -197,9 +197,11 @@ of the following host1x client modules:
- sor: serial output resource
Required properties:
- compatible: For Tegra124, must contain "nvidia,tegra124-sor". Otherwise,
must contain '"nvidia,<chip>-sor", "nvidia,tegra124-sor"', where <chip>
is tegra132.
- compatible: Should be:
- "nvidia,tegra124-sor": for Tegra124 and Tegra132
- "nvidia,tegra132-sor": for Tegra132
- "nvidia,tegra210-sor": for Tegra210
- "nvidia,tegra210-sor1": for Tegra210
- reg: Physical base address and length of the controller's registers.
- interrupts: The interrupt outputs from the controller.
- clocks: Must contain an entry for each entry in clock-names.
......
drivers/gpu/drm/tegra/dc.c
浏览文件 @ bef2c7bd
......@@ -76,6 +76,14 @@ to_tegra_plane_state(struct drm_plane_state *state)
return NULL;
}
static void tegra_dc_stats_reset(struct tegra_dc_stats *stats)
{
stats->frames = 0;
stats->vblank = 0;
stats->underflow = 0;
stats->overflow = 0;
}
/*
* Reads the active copy of a register. This takes the dc->lock spinlock to
* prevent races with the VBLANK processing which also needs access to the
......@@ -759,7 +767,6 @@ static void tegra_cursor_atomic_update(struct drm_plane *plane,
/* position the cursor */
value = (state->crtc_y & 0x3fff) << 16 | (state->crtc_x & 0x3fff);
tegra_dc_writel(dc, value, DC_DISP_CURSOR_POSITION);
}
static void tegra_cursor_atomic_disable(struct drm_plane *plane,
......@@ -809,9 +816,11 @@ static struct drm_plane *tegra_dc_cursor_plane_create(struct drm_device *drm,
return ERR_PTR(-ENOMEM);
/*
* We'll treat the cursor as an overlay plane with index 6 here so
* that the update and activation request bits in DC_CMD_STATE_CONTROL
* match up.
* This index is kind of fake. The cursor isn't a regular plane, but
* its update and activation request bits in DC_CMD_STATE_CONTROL do
* use the same programming. Setting this fake index here allows the
* code in tegra_add_plane_state() to do the right thing without the
* need to special-casing the cursor plane.
*/
plane->index = 6;
......@@ -1015,6 +1024,8 @@ static void tegra_crtc_reset(struct drm_crtc *crtc)
crtc->state = &state->base;
crtc->state->crtc = crtc;
}
drm_crtc_vblank_reset(crtc);
}
static struct drm_crtc_state *
......@@ -1052,90 +1063,6 @@ static const struct drm_crtc_funcs tegra_crtc_funcs = {
.atomic_destroy_state = tegra_crtc_atomic_destroy_state,
};
static void tegra_dc_stop(struct tegra_dc *dc)
{
u32 value;
/* stop the display controller */
value = tegra_dc_readl(dc, DC_CMD_DISPLAY_COMMAND);
value &= ~DISP_CTRL_MODE_MASK;
tegra_dc_writel(dc, value, DC_CMD_DISPLAY_COMMAND);
tegra_dc_commit(dc);
}
static bool tegra_dc_idle(struct tegra_dc *dc)
{
u32 value;
value = tegra_dc_readl_active(dc, DC_CMD_DISPLAY_COMMAND);
return (value & DISP_CTRL_MODE_MASK) == 0;
}
static int tegra_dc_wait_idle(struct tegra_dc *dc, unsigned long timeout)
{
timeout = jiffies + msecs_to_jiffies(timeout);
while (time_before(jiffies, timeout)) {
if (tegra_dc_idle(dc))
return 0;
usleep_range(1000, 2000);
}
dev_dbg(dc->dev, "timeout waiting for DC to become idle\n");
return -ETIMEDOUT;
}
static void tegra_crtc_disable(struct drm_crtc *crtc)
{
struct tegra_dc *dc = to_tegra_dc(crtc);
u32 value;
if (!tegra_dc_idle(dc)) {
tegra_dc_stop(dc);
/*
* Ignore the return value, there isn't anything useful to do
* in case this fails.
*/
tegra_dc_wait_idle(dc, 100);
}
/*
* This should really be part of the RGB encoder driver, but clearing
* these bits has the side-effect of stopping the display controller.
* When that happens no VBLANK interrupts will be raised. At the same
* time the encoder is disabled before the display controller, so the
* above code is always going to timeout waiting for the controller
* to go idle.
*
* Given the close coupling between the RGB encoder and the display
* controller doing it here is still kind of okay. None of the other
* encoder drivers require these bits to be cleared.
*
* XXX: Perhaps given that the display controller is switched off at
* this point anyway maybe clearing these bits isn't even useful for
* the RGB encoder?
*/
if (dc->rgb) {
value = tegra_dc_readl(dc, DC_CMD_DISPLAY_POWER_CONTROL);
value &= ~(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
PW4_ENABLE | PM0_ENABLE | PM1_ENABLE);
tegra_dc_writel(dc, value, DC_CMD_DISPLAY_POWER_CONTROL);
}
drm_crtc_vblank_off(crtc);
}
static bool tegra_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted)
{
return true;
}
static int tegra_dc_set_timings(struct tegra_dc *dc,
struct drm_display_mode *mode)
{
......@@ -1229,7 +1156,85 @@ static void tegra_dc_commit_state(struct tegra_dc *dc,
tegra_dc_writel(dc, value, DC_DISP_DISP_CLOCK_CONTROL);
}
static void tegra_crtc_mode_set_nofb(struct drm_crtc *crtc)
static void tegra_dc_stop(struct tegra_dc *dc)
{
u32 value;
/* stop the display controller */
value = tegra_dc_readl(dc, DC_CMD_DISPLAY_COMMAND);
value &= ~DISP_CTRL_MODE_MASK;
tegra_dc_writel(dc, value, DC_CMD_DISPLAY_COMMAND);
tegra_dc_commit(dc);
}
static bool tegra_dc_idle(struct tegra_dc *dc)
{
u32 value;
value = tegra_dc_readl_active(dc, DC_CMD_DISPLAY_COMMAND);
return (value & DISP_CTRL_MODE_MASK) == 0;
}
static int tegra_dc_wait_idle(struct tegra_dc *dc, unsigned long timeout)
{
timeout = jiffies + msecs_to_jiffies(timeout);
while (time_before(jiffies, timeout)) {
if (tegra_dc_idle(dc))
return 0;
usleep_range(1000, 2000);
}
dev_dbg(dc->dev, "timeout waiting for DC to become idle\n");
return -ETIMEDOUT;
}
static void tegra_crtc_disable(struct drm_crtc *crtc)
{
struct tegra_dc *dc = to_tegra_dc(crtc);
u32 value;
if (!tegra_dc_idle(dc)) {
tegra_dc_stop(dc);
/*
* Ignore the return value, there isn't anything useful to do
* in case this fails.
*/
tegra_dc_wait_idle(dc, 100);
}
/*
* This should really be part of the RGB encoder driver, but clearing
* these bits has the side-effect of stopping the display controller.
* When that happens no VBLANK interrupts will be raised. At the same
* time the encoder is disabled before the display controller, so the
* above code is always going to timeout waiting for the controller
* to go idle.
*
* Given the close coupling between the RGB encoder and the display
* controller doing it here is still kind of okay. None of the other
* encoder drivers require these bits to be cleared.
*
* XXX: Perhaps given that the display controller is switched off at
* this point anyway maybe clearing these bits isn't even useful for
* the RGB encoder?
*/
if (dc->rgb) {
value = tegra_dc_readl(dc, DC_CMD_DISPLAY_POWER_CONTROL);
value &= ~(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
PW4_ENABLE | PM0_ENABLE | PM1_ENABLE);
tegra_dc_writel(dc, value, DC_CMD_DISPLAY_POWER_CONTROL);
}
tegra_dc_stats_reset(&dc->stats);
drm_crtc_vblank_off(crtc);
}
static void tegra_crtc_enable(struct drm_crtc *crtc)
{
struct drm_display_mode *mode = &crtc->state->adjusted_mode;
struct tegra_dc_state *state = to_dc_state(crtc->state);
......@@ -1259,15 +1264,7 @@ static void tegra_crtc_mode_set_nofb(struct drm_crtc *crtc)
tegra_dc_writel(dc, value, DC_CMD_DISPLAY_POWER_CONTROL);
tegra_dc_commit(dc);
}
static void tegra_crtc_prepare(struct drm_crtc *crtc)
{
drm_crtc_vblank_off(crtc);
}
static void tegra_crtc_commit(struct drm_crtc *crtc)
{
drm_crtc_vblank_on(crtc);
}
......@@ -1304,10 +1301,7 @@ static void tegra_crtc_atomic_flush(struct drm_crtc *crtc,
static const struct drm_crtc_helper_funcs tegra_crtc_helper_funcs = {
.disable = tegra_crtc_disable,
.mode_fixup = tegra_crtc_mode_fixup,
.mode_set_nofb = tegra_crtc_mode_set_nofb,
.prepare = tegra_crtc_prepare,
.commit = tegra_crtc_commit,
.enable = tegra_crtc_enable,
.atomic_check = tegra_crtc_atomic_check,
.atomic_begin = tegra_crtc_atomic_begin,
.atomic_flush = tegra_crtc_atomic_flush,
......@@ -1325,6 +1319,7 @@ static irqreturn_t tegra_dc_irq(int irq, void *data)
/*
dev_dbg(dc->dev, "%s(): frame end\n", __func__);
*/
dc->stats.frames++;
}
if (status & VBLANK_INT) {
......@@ -1333,12 +1328,21 @@ static irqreturn_t tegra_dc_irq(int irq, void *data)
*/
drm_crtc_handle_vblank(&dc->base);
tegra_dc_finish_page_flip(dc);
dc->stats.vblank++;
}
if (status & (WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT)) {
/*
dev_dbg(dc->dev, "%s(): underflow\n", __func__);
*/
dc->stats.underflow++;
}
if (status & (WIN_A_OF_INT | WIN_B_OF_INT | WIN_C_OF_INT)) {
/*
dev_dbg(dc->dev, "%s(): overflow\n", __func__);
*/
dc->stats.overflow++;
}
return IRQ_HANDLED;
......@@ -1348,6 +1352,14 @@ static int tegra_dc_show_regs(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct tegra_dc *dc = node->info_ent->data;
int err = 0;
drm_modeset_lock_crtc(&dc->base, NULL);
if (!dc->base.state->active) {
err = -EBUSY;
goto unlock;
}
#define DUMP_REG(name) \
seq_printf(s, "%-40s %#05x %08x\n", #name, name, \
......@@ -1568,11 +1580,59 @@ static int tegra_dc_show_regs(struct seq_file *s, void *data)
#undef DUMP_REG
unlock:
drm_modeset_unlock_crtc(&dc->base);
return err;
}
static int tegra_dc_show_crc(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct tegra_dc *dc = node->info_ent->data;
int err = 0;
u32 value;
drm_modeset_lock_crtc(&dc->base, NULL);
if (!dc->base.state->active) {
err = -EBUSY;
goto unlock;
}
value = DC_COM_CRC_CONTROL_ACTIVE_DATA | DC_COM_CRC_CONTROL_ENABLE;
tegra_dc_writel(dc, value, DC_COM_CRC_CONTROL);
tegra_dc_commit(dc);
drm_crtc_wait_one_vblank(&dc->base);
drm_crtc_wait_one_vblank(&dc->base);
value = tegra_dc_readl(dc, DC_COM_CRC_CHECKSUM);
seq_printf(s, "%08x\n", value);
tegra_dc_writel(dc, 0, DC_COM_CRC_CONTROL);
unlock:
drm_modeset_unlock_crtc(&dc->base);
return err;
}
static int tegra_dc_show_stats(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct tegra_dc *dc = node->info_ent->data;
seq_printf(s, "frames: %lu\n", dc->stats.frames);
seq_printf(s, "vblank: %lu\n", dc->stats.vblank);
seq_printf(s, "underflow: %lu\n", dc->stats.underflow);
seq_printf(s, "overflow: %lu\n", dc->stats.overflow);
return 0;
}
static struct drm_info_list debugfs_files[] = {
{ "regs", tegra_dc_show_regs, 0, NULL },
{ "crc", tegra_dc_show_crc, 0, NULL },
{ "stats", tegra_dc_show_stats, 0, NULL },
};
static int tegra_dc_debugfs_init(struct tegra_dc *dc, struct drm_minor *minor)
......@@ -1718,7 +1778,8 @@ static int tegra_dc_init(struct host1x_client *client)
tegra_dc_writel(dc, value, DC_CMD_CONT_SYNCPT_VSYNC);
}
value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT | WIN_A_OF_INT;
value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT |
WIN_A_OF_INT | WIN_B_OF_INT | WIN_C_OF_INT;
tegra_dc_writel(dc, value, DC_CMD_INT_TYPE);
value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT |
......@@ -1734,15 +1795,19 @@ static int tegra_dc_init(struct host1x_client *client)
WINDOW_B_THRESHOLD(1) | WINDOW_C_THRESHOLD(1);
tegra_dc_writel(dc, value, DC_DISP_DISP_MEM_HIGH_PRIORITY_TIMER);
value = VBLANK_INT | WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT;
value = VBLANK_INT | WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT |
WIN_A_OF_INT | WIN_B_OF_INT | WIN_C_OF_INT;
tegra_dc_writel(dc, value, DC_CMD_INT_ENABLE);
value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT;
value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT |
WIN_A_OF_INT | WIN_B_OF_INT | WIN_C_OF_INT;
tegra_dc_writel(dc, value, DC_CMD_INT_MASK);
if (dc->soc->supports_border_color)
tegra_dc_writel(dc, 0, DC_DISP_BORDER_COLOR);
tegra_dc_stats_reset(&dc->stats);
return 0;
cleanup:
......@@ -1828,8 +1893,20 @@ static const struct tegra_dc_soc_info tegra124_dc_soc_info = {
.has_powergate = true,
};
static const struct tegra_dc_soc_info tegra210_dc_soc_info = {
.supports_border_color = false,
.supports_interlacing = true,
.supports_cursor = true,
.supports_block_linear = true,
.pitch_align = 64,
.has_powergate = true,
};
static const struct of_device_id tegra_dc_of_match[] = {
{
.compatible = "nvidia,tegra210-dc",
.data = &tegra210_dc_soc_info,
}, {
.compatible = "nvidia,tegra124-dc",
.data = &tegra124_dc_soc_info,
}, {
......@@ -1959,6 +2036,10 @@ static int tegra_dc_probe(struct platform_device *pdev)
return -ENXIO;
}
dc->syncpt = host1x_syncpt_request(&pdev->dev, flags);
if (!dc->syncpt)
dev_warn(&pdev->dev, "failed to allocate syncpoint\n");
INIT_LIST_HEAD(&dc->client.list);
dc->client.ops = &dc_client_ops;
dc->client.dev = &pdev->dev;
......@@ -1976,10 +2057,6 @@ static int tegra_dc_probe(struct platform_device *pdev)
return err;
}
dc->syncpt = host1x_syncpt_request(&pdev->dev, flags);
if (!dc->syncpt)
dev_warn(&pdev->dev, "failed to allocate syncpoint\n");
platform_set_drvdata(pdev, dc);
return 0;
......@@ -2018,7 +2095,6 @@ static int tegra_dc_remove(struct platform_device *pdev)
struct platform_driver tegra_dc_driver = {
.driver = {
.name = "tegra-dc",
.owner = THIS_MODULE,
.of_match_table = tegra_dc_of_match,
},
.probe = tegra_dc_probe,
......
drivers/gpu/drm/tegra/dc.h
浏览文件 @ bef2c7bd
......@@ -86,6 +86,11 @@
#define DC_CMD_REG_ACT_CONTROL 0x043
#define DC_COM_CRC_CONTROL 0x300
#define DC_COM_CRC_CONTROL_ALWAYS (1 << 3)
#define DC_COM_CRC_CONTROL_FULL_FRAME (0 << 2)
#define DC_COM_CRC_CONTROL_ACTIVE_DATA (1 << 2)
#define DC_COM_CRC_CONTROL_WAIT (1 << 1)
#define DC_COM_CRC_CONTROL_ENABLE (1 << 0)
#define DC_COM_CRC_CHECKSUM 0x301
#define DC_COM_PIN_OUTPUT_ENABLE(x) (0x302 + (x))
#define DC_COM_PIN_OUTPUT_POLARITY(x) (0x306 + (x))
......@@ -114,15 +119,17 @@
#define DC_COM_CRC_CHECKSUM_LATCHED 0x329
#define DC_DISP_DISP_SIGNAL_OPTIONS0 0x400
#define H_PULSE_0_ENABLE (1 << 8)
#define H_PULSE_1_ENABLE (1 << 10)
#define H_PULSE_2_ENABLE (1 << 12)
#define H_PULSE0_ENABLE (1 << 8)
#define H_PULSE1_ENABLE (1 << 10)
#define H_PULSE2_ENABLE (1 << 12)
#define DC_DISP_DISP_SIGNAL_OPTIONS1 0x401
#define DC_DISP_DISP_WIN_OPTIONS 0x402
#define HDMI_ENABLE (1 << 30)
#define DSI_ENABLE (1 << 29)
#define SOR1_TIMING_CYA (1 << 27)
#define SOR1_ENABLE (1 << 26)
#define SOR_ENABLE (1 << 25)
#define CURSOR_ENABLE (1 << 16)
......@@ -242,9 +249,20 @@
#define BASE_COLOR_SIZE565 (6 << 0)
#define BASE_COLOR_SIZE332 (7 << 0)
#define BASE_COLOR_SIZE888 (8 << 0)
#define DITHER_CONTROL_MASK (3 << 8)
#define DITHER_CONTROL_DISABLE (0 << 8)
#define DITHER_CONTROL_ORDERED (2 << 8)
#define DITHER_CONTROL_ERRDIFF (3 << 8)
#define BASE_COLOR_SIZE_MASK (0xf << 0)
#define BASE_COLOR_SIZE_666 (0 << 0)
#define BASE_COLOR_SIZE_111 (1 << 0)
#define BASE_COLOR_SIZE_222 (2 << 0)
#define BASE_COLOR_SIZE_333 (3 << 0)
#define BASE_COLOR_SIZE_444 (4 << 0)
#define BASE_COLOR_SIZE_555 (5 << 0)
#define BASE_COLOR_SIZE_565 (6 << 0)
#define BASE_COLOR_SIZE_332 (7 << 0)
#define BASE_COLOR_SIZE_888 (8 << 0)
#define DC_DISP_SHIFT_CLOCK_OPTIONS 0x431
#define SC1_H_QUALIFIER_NONE (1 << 16)
......
drivers/gpu/drm/tegra/dpaux.c
浏览文件 @ bef2c7bd
......@@ -294,26 +294,41 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
}
dpaux->rst = devm_reset_control_get(&pdev->dev, "dpaux");
if (IS_ERR(dpaux->rst))
if (IS_ERR(dpaux->rst)) {
dev_err(&pdev->dev, "failed to get reset control: %ld\n",
PTR_ERR(dpaux->rst));
return PTR_ERR(dpaux->rst);
}
dpaux->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(dpaux->clk))
if (IS_ERR(dpaux->clk)) {
dev_err(&pdev->dev, "failed to get module clock: %ld\n",
PTR_ERR(dpaux->clk));
return PTR_ERR(dpaux->clk);
}
err = clk_prepare_enable(dpaux->clk);
if (err < 0)
if (err < 0) {
dev_err(&pdev->dev, "failed to enable module clock: %d\n",
err);
return err;
}
reset_control_deassert(dpaux->rst);
dpaux->clk_parent = devm_clk_get(&pdev->dev, "parent");
if (IS_ERR(dpaux->clk_parent))
if (IS_ERR(dpaux->clk_parent)) {
dev_err(&pdev->dev, "failed to get parent clock: %ld\n",
PTR_ERR(dpaux->clk_parent));
return PTR_ERR(dpaux->clk_parent);
}
err = clk_prepare_enable(dpaux->clk_parent);
if (err < 0)
if (err < 0) {
dev_err(&pdev->dev, "failed to enable parent clock: %d\n",
err);
return err;
}
err = clk_set_rate(dpaux->clk_parent, 270000000);
if (err < 0) {
......@@ -323,8 +338,11 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
}
dpaux->vdd = devm_regulator_get(&pdev->dev, "vdd");
if (IS_ERR(dpaux->vdd))
if (IS_ERR(dpaux->vdd)) {
dev_err(&pdev->dev, "failed to get VDD supply: %ld\n",
PTR_ERR(dpaux->vdd));
return PTR_ERR(dpaux->vdd);
}
err = devm_request_irq(dpaux->dev, dpaux->irq, tegra_dpaux_irq, 0,
dev_name(dpaux->dev), dpaux);
......@@ -334,6 +352,8 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
return err;
}
disable_irq(dpaux->irq);
dpaux->aux.transfer = tegra_dpaux_transfer;
dpaux->aux.dev = &pdev->dev;
......@@ -341,6 +361,24 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
if (err < 0)
return err;
/*
* Assume that by default the DPAUX/I2C pads will be used for HDMI,
* so power them up and configure them in I2C mode.
*
* The DPAUX code paths reconfigure the pads in AUX mode, but there
* is no possibility to perform the I2C mode configuration in the
* HDMI path.
*/
value = tegra_dpaux_readl(dpaux, DPAUX_HYBRID_SPARE);
value &= ~DPAUX_HYBRID_SPARE_PAD_POWER_DOWN;
tegra_dpaux_writel(dpaux, value, DPAUX_HYBRID_SPARE);
value = tegra_dpaux_readl(dpaux, DPAUX_HYBRID_PADCTL);
value = DPAUX_HYBRID_PADCTL_I2C_SDA_INPUT_RCV |
DPAUX_HYBRID_PADCTL_I2C_SCL_INPUT_RCV |
DPAUX_HYBRID_PADCTL_MODE_I2C;
tegra_dpaux_writel(dpaux, value, DPAUX_HYBRID_PADCTL);
/* enable and clear all interrupts */
value = DPAUX_INTR_AUX_DONE | DPAUX_INTR_IRQ_EVENT |
DPAUX_INTR_UNPLUG_EVENT | DPAUX_INTR_PLUG_EVENT;
......@@ -359,6 +397,12 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
static int tegra_dpaux_remove(struct platform_device *pdev)
{
struct tegra_dpaux *dpaux = platform_get_drvdata(pdev);
u32 value;
/* make sure pads are powered down when not in use */
value = tegra_dpaux_readl(dpaux, DPAUX_HYBRID_SPARE);
value |= DPAUX_HYBRID_SPARE_PAD_POWER_DOWN;
tegra_dpaux_writel(dpaux, value, DPAUX_HYBRID_SPARE);
drm_dp_aux_unregister(&dpaux->aux);
......@@ -376,6 +420,7 @@ static int tegra_dpaux_remove(struct platform_device *pdev)
}
static const struct of_device_id tegra_dpaux_of_match[] = {
{ .compatible = "nvidia,tegra210-dpaux", },
{ .compatible = "nvidia,tegra124-dpaux", },
{ },
};
......@@ -425,8 +470,10 @@ int tegra_dpaux_attach(struct tegra_dpaux *dpaux, struct tegra_output *output)
enum drm_connector_status status;
status = tegra_dpaux_detect(dpaux);
if (status == connector_status_connected)
if (status == connector_status_connected) {
enable_irq(dpaux->irq);
return 0;
}
usleep_range(1000, 2000);
}
......@@ -439,6 +486,8 @@ int tegra_dpaux_detach(struct tegra_dpaux *dpaux)
unsigned long timeout;
int err;
disable_irq(dpaux->irq);
err = regulator_disable(dpaux->vdd);
if (err < 0)
return err;
......
drivers/gpu/drm/tegra/dpaux.h
浏览文件 @ bef2c7bd
......@@ -57,6 +57,8 @@
#define DPAUX_DP_AUX_CONFIG 0x45
#define DPAUX_HYBRID_PADCTL 0x49
#define DPAUX_HYBRID_PADCTL_I2C_SDA_INPUT_RCV (1 << 15)
#define DPAUX_HYBRID_PADCTL_I2C_SCL_INPUT_RCV (1 << 14)
#define DPAUX_HYBRID_PADCTL_AUX_CMH(x) (((x) & 0x3) << 12)
#define DPAUX_HYBRID_PADCTL_AUX_DRVZ(x) (((x) & 0x7) << 8)
#define DPAUX_HYBRID_PADCTL_AUX_DRVI(x) (((x) & 0x3f) << 2)
......
drivers/gpu/drm/tegra/drm.c
浏览文件 @ bef2c7bd
......@@ -171,8 +171,6 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags)
if (err < 0)
goto fbdev;
drm_mode_config_reset(drm);
/*
* We don't use the drm_irq_install() helpers provided by the DRM
* core, so we need to set this manually in order to allow the
......@@ -182,11 +180,14 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags)
/* syncpoints are used for full 32-bit hardware VBLANK counters */
drm->max_vblank_count = 0xffffffff;
drm->vblank_disable_allowed = true;
err = drm_vblank_init(drm, drm->mode_config.num_crtc);
if (err < 0)
goto device;
drm_mode_config_reset(drm);
err = tegra_drm_fb_init(drm);
if (err < 0)
goto vblank;
......@@ -1037,9 +1038,8 @@ static int host1x_drm_resume(struct device *dev)
}
#endif
static const struct dev_pm_ops host1x_drm_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(host1x_drm_suspend, host1x_drm_resume)
};
static SIMPLE_DEV_PM_OPS(host1x_drm_pm_ops, host1x_drm_suspend,
host1x_drm_resume);
static const struct of_device_id host1x_drm_subdevs[] = {
{ .compatible = "nvidia,tegra20-dc", },
......@@ -1056,6 +1056,12 @@ static const struct of_device_id host1x_drm_subdevs[] = {
{ .compatible = "nvidia,tegra124-dc", },
{ .compatible = "nvidia,tegra124-sor", },
{ .compatible = "nvidia,tegra124-hdmi", },
{ .compatible = "nvidia,tegra124-dsi", },
{ .compatible = "nvidia,tegra132-dsi", },
{ .compatible = "nvidia,tegra210-dc", },
{ .compatible = "nvidia,tegra210-dsi", },
{ .compatible = "nvidia,tegra210-sor", },
{ .compatible = "nvidia,tegra210-sor1", },
{ /* sentinel */ }
};
......
drivers/gpu/drm/tegra/drm.h
浏览文件 @ bef2c7bd
......@@ -12,6 +12,7 @@
#include <uapi/drm/tegra_drm.h>
#include <linux/host1x.h>
#include <linux/of_gpio.h>
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
......@@ -104,6 +105,13 @@ int tegra_drm_exit(struct tegra_drm *tegra);
struct tegra_dc_soc_info;
struct tegra_output;
struct tegra_dc_stats {
unsigned long frames;
unsigned long vblank;
unsigned long underflow;
unsigned long overflow;
};
struct tegra_dc {
struct host1x_client client;
struct host1x_syncpt *syncpt;
......@@ -121,6 +129,7 @@ struct tegra_dc {
struct tegra_output *rgb;
struct tegra_dc_stats stats;
struct list_head list;
struct drm_info_list *debugfs_files;
......@@ -200,6 +209,7 @@ struct tegra_output {
const struct edid *edid;
unsigned int hpd_irq;
int hpd_gpio;
enum of_gpio_flags hpd_gpio_flags;
struct drm_encoder encoder;
struct drm_connector connector;
......
drivers/gpu/drm/tegra/dsi.c
浏览文件 @ bef2c7bd
......@@ -119,6 +119,16 @@ static int tegra_dsi_show_regs(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct tegra_dsi *dsi = node->info_ent->data;
struct drm_crtc *crtc = dsi->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, "%-32s %#05x %08x\n", #name, name, \
......@@ -208,7 +218,9 @@ static int tegra_dsi_show_regs(struct seq_file *s, void *data)
#undef DUMP_REG
return 0;
unlock:
drm_modeset_unlock_all(drm);
return err;
}
static struct drm_info_list debugfs_files[] = {
......@@ -548,14 +560,19 @@ static void tegra_dsi_configure(struct tegra_dsi *dsi, unsigned int pipe,
/* horizontal sync width */
hsw = (mode->hsync_end - mode->hsync_start) * mul / div;
hsw -= 10;
/* horizontal back porch */
hbp = (mode->htotal - mode->hsync_end) * mul / div;
hbp -= 14;
if ((dsi->flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) == 0)
hbp += hsw;
/* horizontal front porch */
hfp = (mode->hsync_start - mode->hdisplay) * mul / div;
/* subtract packet overhead */
hsw -= 10;
hbp -= 14;
hfp -= 8;
tegra_dsi_writel(dsi, hsw << 16 | 0, DSI_PKT_LEN_0_1);
......@@ -726,11 +743,6 @@ static void tegra_dsi_soft_reset(struct tegra_dsi *dsi)
tegra_dsi_soft_reset(dsi->slave);
}
static int tegra_dsi_connector_dpms(struct drm_connector *connector, int mode)
{
return 0;
}
static void tegra_dsi_connector_reset(struct drm_connector *connector)
{
struct tegra_dsi_state *state;
......@@ -757,7 +769,7 @@ tegra_dsi_connector_duplicate_state(struct drm_connector *connector)
}
static const struct drm_connector_funcs tegra_dsi_connector_funcs = {
.dpms = tegra_dsi_connector_dpms,
.dpms = drm_atomic_helper_connector_dpms,
.reset = tegra_dsi_connector_reset,
.detect = tegra_output_connector_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
......@@ -783,22 +795,48 @@ static const struct drm_encoder_funcs tegra_dsi_encoder_funcs = {
.destroy = tegra_output_encoder_destroy,
};
static void tegra_dsi_encoder_dpms(struct drm_encoder *encoder, int mode)
static void tegra_dsi_encoder_disable(struct drm_encoder *encoder)
{
}
struct tegra_output *output = encoder_to_output(encoder);
struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
struct tegra_dsi *dsi = to_dsi(output);
u32 value;
int err;
static void tegra_dsi_encoder_prepare(struct drm_encoder *encoder)
{
}
if (output->panel)
drm_panel_disable(output->panel);
static void tegra_dsi_encoder_commit(struct drm_encoder *encoder)
{
tegra_dsi_video_disable(dsi);
/*
* 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 &= ~DSI_ENABLE;
tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
tegra_dc_commit(dc);
}
err = tegra_dsi_wait_idle(dsi, 100);
if (err < 0)
dev_dbg(dsi->dev, "failed to idle DSI: %d\n", err);
tegra_dsi_soft_reset(dsi);
if (output->panel)
drm_panel_unprepare(output->panel);
tegra_dsi_disable(dsi);
return;
}
static void tegra_dsi_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted)
static void tegra_dsi_encoder_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);
struct tegra_dsi *dsi = to_dsi(output);
......@@ -836,45 +874,6 @@ static void tegra_dsi_encoder_mode_set(struct drm_encoder *encoder,
return;
}
static void tegra_dsi_encoder_disable(struct drm_encoder *encoder)
{
struct tegra_output *output = encoder_to_output(encoder);
struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
struct tegra_dsi *dsi = to_dsi(output);
u32 value;
int err;
if (output->panel)
drm_panel_disable(output->panel);
tegra_dsi_video_disable(dsi);
/*
* 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 &= ~DSI_ENABLE;
tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
tegra_dc_commit(dc);
}
err = tegra_dsi_wait_idle(dsi, 100);
if (err < 0)
dev_dbg(dsi->dev, "failed to idle DSI: %d\n", err);
tegra_dsi_soft_reset(dsi);
if (output->panel)
drm_panel_unprepare(output->panel);
tegra_dsi_disable(dsi);
return;
}
static int
tegra_dsi_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
......@@ -957,11 +956,8 @@ tegra_dsi_encoder_atomic_check(struct drm_encoder *encoder,
}
static const struct drm_encoder_helper_funcs tegra_dsi_encoder_helper_funcs = {
.dpms = tegra_dsi_encoder_dpms,
.prepare = tegra_dsi_encoder_prepare,
.commit = tegra_dsi_encoder_commit,
.mode_set = tegra_dsi_encoder_mode_set,
.disable = tegra_dsi_encoder_disable,
.enable = tegra_dsi_encoder_enable,
.atomic_check = tegra_dsi_encoder_atomic_check,
};
......@@ -993,6 +989,10 @@ static int tegra_dsi_pad_calibrate(struct tegra_dsi *dsi)
DSI_PAD_OUT_CLK(0x0);
tegra_dsi_writel(dsi, value, DSI_PAD_CONTROL_2);
value = DSI_PAD_PREEMP_PD_CLK(0x3) | DSI_PAD_PREEMP_PU_CLK(0x3) |
DSI_PAD_PREEMP_PD(0x03) | DSI_PAD_PREEMP_PU(0x3);
tegra_dsi_writel(dsi, value, DSI_PAD_CONTROL_3);
return tegra_mipi_calibrate(dsi->mipi);
}
......@@ -1622,6 +1622,9 @@ static int tegra_dsi_remove(struct platform_device *pdev)
}
static const struct of_device_id tegra_dsi_of_match[] = {
{ .compatible = "nvidia,tegra210-dsi", },
{ .compatible = "nvidia,tegra132-dsi", },
{ .compatible = "nvidia,tegra124-dsi", },
{ .compatible = "nvidia,tegra114-dsi", },
{ },
};
......
drivers/gpu/drm/tegra/dsi.h
浏览文件 @ bef2c7bd
......@@ -113,6 +113,10 @@
#define DSI_PAD_SLEW_DN(x) (((x) & 0x7) << 12)
#define DSI_PAD_SLEW_UP(x) (((x) & 0x7) << 16)
#define DSI_PAD_CONTROL_3 0x51
#define DSI_PAD_PREEMP_PD_CLK(x) (((x) & 0x3) << 12)
#define DSI_PAD_PREEMP_PU_CLK(x) (((x) & 0x3) << 8)
#define DSI_PAD_PREEMP_PD(x) (((x) & 0x3) << 4)
#define DSI_PAD_PREEMP_PU(x) (((x) & 0x3) << 0)
#define DSI_PAD_CONTROL_4 0x52
#define DSI_GANGED_MODE_CONTROL 0x53
#define DSI_GANGED_MODE_CONTROL_ENABLE (1 << 0)
......
drivers/gpu/drm/tegra/hdmi.c
浏览文件 @ bef2c7bd
......@@ -772,14 +772,8 @@ static bool tegra_output_is_hdmi(struct tegra_output *output)
return drm_detect_hdmi_monitor(edid);
}
static int tegra_hdmi_connector_dpms(struct drm_connector *connector,
int mode)
{
return 0;
}
static const struct drm_connector_funcs tegra_hdmi_connector_funcs = {
.dpms = tegra_hdmi_connector_dpms,
.dpms = drm_atomic_helper_connector_dpms,
.reset = drm_atomic_helper_connector_reset,
.detect = tegra_output_connector_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
......@@ -819,22 +813,27 @@ static const struct drm_encoder_funcs tegra_hdmi_encoder_funcs = {
.destroy = tegra_output_encoder_destroy,
};
static void tegra_hdmi_encoder_dpms(struct drm_encoder *encoder, int mode)
static void tegra_hdmi_encoder_disable(struct drm_encoder *encoder)
{
}
struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
u32 value;
static void tegra_hdmi_encoder_prepare(struct drm_encoder *encoder)
{
}
/*
* 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 &= ~HDMI_ENABLE;
tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
static void tegra_hdmi_encoder_commit(struct drm_encoder *encoder)
{
tegra_dc_commit(dc);
}
}
static void tegra_hdmi_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted)
static void tegra_hdmi_encoder_enable(struct drm_encoder *encoder)
{
struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode;
unsigned int h_sync_width, h_front_porch, h_back_porch, i, rekey;
struct tegra_output *output = encoder_to_output(encoder);
struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
......@@ -873,13 +872,13 @@ static void tegra_hdmi_encoder_mode_set(struct drm_encoder *encoder,
tegra_dc_writel(dc, VSYNC_H_POSITION(1),
DC_DISP_DISP_TIMING_OPTIONS);
tegra_dc_writel(dc, DITHER_CONTROL_DISABLE | BASE_COLOR_SIZE888,
tegra_dc_writel(dc, DITHER_CONTROL_DISABLE | BASE_COLOR_SIZE_888,
DC_DISP_DISP_COLOR_CONTROL);
/* video_preamble uses h_pulse2 */
pulse_start = 1 + h_sync_width + h_back_porch - 10;
tegra_dc_writel(dc, H_PULSE_2_ENABLE, DC_DISP_DISP_SIGNAL_OPTIONS0);
tegra_dc_writel(dc, H_PULSE2_ENABLE, DC_DISP_DISP_SIGNAL_OPTIONS0);
value = PULSE_MODE_NORMAL | PULSE_POLARITY_HIGH | PULSE_QUAL_VACTIVE |
PULSE_LAST_END_A;
......@@ -1036,24 +1035,6 @@ static void tegra_hdmi_encoder_mode_set(struct drm_encoder *encoder,
/* TODO: add HDCP support */
}
static void tegra_hdmi_encoder_disable(struct drm_encoder *encoder)
{
struct tegra_dc *dc = to_tegra_dc(encoder->crtc);
u32 value;
/*
* 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 &= ~HDMI_ENABLE;
tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
tegra_dc_commit(dc);
}
}
static int
tegra_hdmi_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
......@@ -1076,11 +1057,8 @@ tegra_hdmi_encoder_atomic_check(struct drm_encoder *encoder,
}
static const struct drm_encoder_helper_funcs tegra_hdmi_encoder_helper_funcs = {
.dpms = tegra_hdmi_encoder_dpms,
.prepare = tegra_hdmi_encoder_prepare,
.commit = tegra_hdmi_encoder_commit,
.mode_set = tegra_hdmi_encoder_mode_set,
.disable = tegra_hdmi_encoder_disable,
.enable = tegra_hdmi_encoder_enable,
.atomic_check = tegra_hdmi_encoder_atomic_check,
};
......@@ -1088,11 +1066,16 @@ static int tegra_hdmi_show_regs(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct tegra_hdmi *hdmi = node->info_ent->data;
int err;
struct drm_crtc *crtc = hdmi->output.encoder.crtc;
struct drm_device *drm = node->minor->dev;
int err = 0;
err = clk_prepare_enable(hdmi->clk);
if (err)
return err;
drm_modeset_lock_all(drm);
if (!crtc || !crtc->state->active) {
err = -EBUSY;
goto unlock;
}
#define DUMP_REG(name) \
seq_printf(s, "%-56s %#05x %08x\n", #name, name, \
......@@ -1259,9 +1242,9 @@ static int tegra_hdmi_show_regs(struct seq_file *s, void *data)
#undef DUMP_REG
clk_disable_unprepare(hdmi->clk);
return 0;
unlock:
drm_modeset_unlock_all(drm);
return err;
}
static struct drm_info_list debugfs_files[] = {
......
drivers/gpu/drm/tegra/output.c
浏览文件 @ bef2c7bd
......@@ -7,8 +7,6 @@
* published by the Free Software Foundation.
*/
#include <linux/of_gpio.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_panel.h>
#include "drm.h"
......@@ -59,10 +57,17 @@ tegra_output_connector_detect(struct drm_connector *connector, bool force)
enum drm_connector_status status = connector_status_unknown;
if (gpio_is_valid(output->hpd_gpio)) {
if (gpio_get_value(output->hpd_gpio) == 0)
status = connector_status_disconnected;
else
status = connector_status_connected;
if (output->hpd_gpio_flags & OF_GPIO_ACTIVE_LOW) {
if (gpio_get_value(output->hpd_gpio) != 0)
status = connector_status_disconnected;
else
status = connector_status_connected;
} else {
if (gpio_get_value(output->hpd_gpio) == 0)
status = connector_status_disconnected;
else
status = connector_status_connected;
}
} else {
if (!output->panel)
status = connector_status_disconnected;
......@@ -97,7 +102,6 @@ static irqreturn_t hpd_irq(int irq, void *data)
int tegra_output_probe(struct tegra_output *output)
{
struct device_node *ddc, *panel;
enum of_gpio_flags flags;
int err, size;
if (!output->of_node)
......@@ -128,7 +132,7 @@ int tegra_output_probe(struct tegra_output *output)
output->hpd_gpio = of_get_named_gpio_flags(output->of_node,
"nvidia,hpd-gpio", 0,
&flags);
&output->hpd_gpio_flags);
if (gpio_is_valid(output->hpd_gpio)) {
unsigned long flags;
......
drivers/gpu/drm/tegra/rgb.c
浏览文件 @ bef2c7bd
......@@ -18,7 +18,6 @@
struct tegra_rgb {
struct tegra_output output;
struct tegra_dc *dc;
bool enabled;
struct clk *clk_parent;
struct clk *clk;
......@@ -88,14 +87,8 @@ static void tegra_dc_write_regs(struct tegra_dc *dc,
tegra_dc_writel(dc, table[i].value, table[i].offset);
}
static int tegra_rgb_connector_dpms(struct drm_connector *connector,
int mode)
{
return 0;
}
static const struct drm_connector_funcs tegra_rgb_connector_funcs = {
.dpms = tegra_rgb_connector_dpms,
.dpms = drm_atomic_helper_connector_dpms,
.reset = drm_atomic_helper_connector_reset,
.detect = tegra_output_connector_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
......@@ -126,21 +119,22 @@ static const struct drm_encoder_funcs tegra_rgb_encoder_funcs = {
.destroy = tegra_output_encoder_destroy,
};
static void tegra_rgb_encoder_dpms(struct drm_encoder *encoder, int mode)
static void tegra_rgb_encoder_disable(struct drm_encoder *encoder)
{
}
struct tegra_output *output = encoder_to_output(encoder);
struct tegra_rgb *rgb = to_rgb(output);
static void tegra_rgb_encoder_prepare(struct drm_encoder *encoder)
{
}
if (output->panel)
drm_panel_disable(output->panel);
static void tegra_rgb_encoder_commit(struct drm_encoder *encoder)
{
tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable));
tegra_dc_commit(rgb->dc);
if (output->panel)
drm_panel_unprepare(output->panel);
}
static void tegra_rgb_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted)
static void tegra_rgb_encoder_enable(struct drm_encoder *encoder)
{
struct tegra_output *output = encoder_to_output(encoder);
struct tegra_rgb *rgb = to_rgb(output);
......@@ -175,21 +169,6 @@ static void tegra_rgb_encoder_mode_set(struct drm_encoder *encoder,
drm_panel_enable(output->panel);
}
static void tegra_rgb_encoder_disable(struct drm_encoder *encoder)
{
struct tegra_output *output = encoder_to_output(encoder);
struct tegra_rgb *rgb = to_rgb(output);
if (output->panel)
drm_panel_disable(output->panel);
tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable));
tegra_dc_commit(rgb->dc);
if (output->panel)
drm_panel_unprepare(output->panel);
}
static int
tegra_rgb_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
......@@ -232,11 +211,8 @@ tegra_rgb_encoder_atomic_check(struct drm_encoder *encoder,
}
static const struct drm_encoder_helper_funcs tegra_rgb_encoder_helper_funcs = {
.dpms = tegra_rgb_encoder_dpms,
.prepare = tegra_rgb_encoder_prepare,
.commit = tegra_rgb_encoder_commit,
.mode_set = tegra_rgb_encoder_mode_set,
.disable = tegra_rgb_encoder_disable,
.enable = tegra_rgb_encoder_enable,
.atomic_check = tegra_rgb_encoder_atomic_check,
};
......
drivers/gpu/drm/tegra/sor.c
浏览文件 @ bef2c7bd
......@@ -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);
num = scnprintf(buf, sizeof(buf), "%08x\n", value);
tegra_sor_writel(sor, SOR_CRCA_RESET, SOR_CRCA);
value = tegra_sor_readl(sor, SOR_CRCB);
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);
......@@ -860,15 +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 int tegra_sor_connector_dpms(struct drm_connector *connector, int mode)
{
return 0;
debugfs_remove_recursive(sor->debugfs);
sor->debugfs = NULL;
}
static enum drm_connector_status
......@@ -880,11 +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,
......@@ -927,22 +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;
......@@ -953,14 +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);
......@@ -979,7 +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;
}
}
......@@ -1000,40 +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
......@@ -1046,51 +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);
......@@ -1098,7 +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);
......@@ -1115,12 +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 |
......@@ -1142,14 +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 |
......@@ -1160,7 +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);
......@@ -1177,7 +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;
......@@ -1190,33 +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;
......@@ -1226,14 +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 */
......@@ -1250,17 +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
......@@ -1296,7 +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
......@@ -1304,25 +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 |
......@@ -1331,10 +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);
......@@ -1345,93 +1576,15 @@ 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)
{
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;
mutex_lock(&sor->lock);
if (!sor->enabled)
goto unlock;
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);
goto unlock;
}
tegra_sor_writel(sor, 0, SOR_STATE_1);
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);
goto unlock;
}
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;
}
}
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);
goto unlock;
}
if (output->panel)
drm_panel_unprepare(output->panel);
clk_disable_unprepare(sor->clk);
reset_control_assert(sor->rst);
sor->enabled = false;
unlock:
mutex_unlock(&sor->lock);
}
static int
......@@ -1455,40 +1608,581 @@ tegra_sor_encoder_atomic_check(struct drm_encoder *encoder,
return 0;
}
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_edp_helpers = {
.disable = tegra_sor_edp_disable,
.enable = tegra_sor_edp_enable,
.atomic_check = tegra_sor_encoder_atomic_check,
};
static int tegra_sor_init(struct host1x_client *client)
static inline u32 tegra_sor_hdmi_subpack(const u8 *ptr, size_t size)
{
struct drm_device *drm = dev_get_drvdata(client->parent);
struct tegra_sor *sor = host1x_client_to_sor(client);
int err;
u32 value = 0;
size_t i;
if (!sor->dpaux)
return -ENODEV;
for (i = size; i > 0; i--)
value = (value << 8) | ptr[i - 1];
sor->output.dev = sor->dev;
return value;
}
drm_connector_init(drm, &sor->output.connector,
&tegra_sor_connector_funcs,
DRM_MODE_CONNECTOR_eDP);
drm_connector_helper_add(&sor->output.connector,
&tegra_sor_connector_helper_funcs);
sor->output.connector.dpms = DRM_MODE_DPMS_OFF;
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;
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);
switch (ptr[0]) {
case HDMI_INFOFRAME_TYPE_AVI:
offset = SOR_HDMI_AVI_INFOFRAME_HEADER;
break;
drm_mode_connector_attach_encoder(&sor->output.connector,
&sor->output.encoder);
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;
}
value = INFOFRAME_HEADER_TYPE(ptr[0]) |
INFOFRAME_HEADER_VERSION(ptr[1]) |
INFOFRAME_HEADER_LEN(ptr[2]);
tegra_sor_writel(sor, value, offset);
offset++;
/*
* Each subpack contains 7 bytes, divided into:
* - subpack_low: bytes 0 - 3
* - subpack_high: bytes 4 - 6 (with byte 7 padded to 0x00)
*/
for (i = 3, j = 0; i < size; i += 7, j += 8) {
size_t rem = size - i, num = min_t(size_t, rem, 4);
value = tegra_sor_hdmi_subpack(&ptr[i], num);
tegra_sor_writel(sor, value, offset++);
num = min_t(size_t, rem - num, 3);
value = tegra_sor_hdmi_subpack(&ptr[i + 4], num);
tegra_sor_writel(sor, value, offset++);
}
}
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 = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
if (err < 0) {
dev_err(sor->dev, "failed to pack AVI infoframe: %d\n", err);
return err;
}
tegra_sor_hdmi_write_infopack(sor, buffer, err);
/* 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);
return 0;
}
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 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(encoder->crtc);
struct tegra_sor *sor = to_sor(output);
u32 value;
int 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);
}
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_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) {
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,
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,
encoder);
drm_encoder_helper_add(&sor->output.encoder, helpers);
drm_mode_connector_attach_encoder(&sor->output.connector,
&sor->output.encoder);
drm_connector_register(&sor->output.connector);
err = tegra_output_init(drm, &sor->output);
......@@ -1578,18 +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) {
......@@ -1600,51 +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)
......@@ -1659,17 +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",
......
drivers/gpu/drm/tegra/sor.h
浏览文件 @ bef2c7bd
......@@ -11,9 +11,9 @@
#define SOR_CTXSW 0x00
#define SOR_SUPER_STATE_0 0x01
#define SOR_SUPER_STATE0 0x01
#define SOR_SUPER_STATE_1 0x02
#define SOR_SUPER_STATE1 0x02
#define SOR_SUPER_STATE_ATTACHED (1 << 3)
#define SOR_SUPER_STATE_MODE_NORMAL (1 << 2)
#define SOR_SUPER_STATE_HEAD_MODE_MASK (3 << 0)
......@@ -21,9 +21,9 @@
#define SOR_SUPER_STATE_HEAD_MODE_SNOOZE (1 << 0)
#define SOR_SUPER_STATE_HEAD_MODE_SLEEP (0 << 0)
#define SOR_STATE_0 0x03
#define SOR_STATE0 0x03
#define SOR_STATE_1 0x04
#define SOR_STATE1 0x04
#define SOR_STATE_ASY_PIXELDEPTH_MASK (0xf << 17)
#define SOR_STATE_ASY_PIXELDEPTH_BPP_18_444 (0x2 << 17)
#define SOR_STATE_ASY_PIXELDEPTH_BPP_24_444 (0x5 << 17)
......@@ -33,19 +33,27 @@
#define SOR_STATE_ASY_PROTOCOL_CUSTOM (0xf << 8)
#define SOR_STATE_ASY_PROTOCOL_DP_A (0x8 << 8)
#define SOR_STATE_ASY_PROTOCOL_DP_B (0x9 << 8)
#define SOR_STATE_ASY_PROTOCOL_SINGLE_TMDS_A (0x1 << 8)
#define SOR_STATE_ASY_PROTOCOL_LVDS (0x0 << 8)
#define SOR_STATE_ASY_CRC_MODE_MASK (0x3 << 6)
#define SOR_STATE_ASY_CRC_MODE_NON_ACTIVE (0x2 << 6)
#define SOR_STATE_ASY_CRC_MODE_COMPLETE (0x1 << 6)
#define SOR_STATE_ASY_CRC_MODE_ACTIVE (0x0 << 6)
#define SOR_STATE_ASY_OWNER_MASK 0xf
#define SOR_STATE_ASY_OWNER(x) (((x) & 0xf) << 0)
#define SOR_HEAD_STATE_0(x) (0x05 + (x))
#define SOR_HEAD_STATE_1(x) (0x07 + (x))
#define SOR_HEAD_STATE_2(x) (0x09 + (x))
#define SOR_HEAD_STATE_3(x) (0x0b + (x))
#define SOR_HEAD_STATE_4(x) (0x0d + (x))
#define SOR_HEAD_STATE_5(x) (0x0f + (x))
#define SOR_HEAD_STATE0(x) (0x05 + (x))
#define SOR_HEAD_STATE_RANGECOMPRESS_MASK (0x1 << 3)
#define SOR_HEAD_STATE_DYNRANGE_MASK (0x1 << 2)
#define SOR_HEAD_STATE_DYNRANGE_VESA (0 << 2)
#define SOR_HEAD_STATE_DYNRANGE_CEA (1 << 2)
#define SOR_HEAD_STATE_COLORSPACE_MASK (0x3 << 0)
#define SOR_HEAD_STATE_COLORSPACE_RGB (0 << 0)
#define SOR_HEAD_STATE1(x) (0x07 + (x))
#define SOR_HEAD_STATE2(x) (0x09 + (x))
#define SOR_HEAD_STATE3(x) (0x0b + (x))
#define SOR_HEAD_STATE4(x) (0x0d + (x))
#define SOR_HEAD_STATE5(x) (0x0f + (x))
#define SOR_CRC_CNTRL 0x11
#define SOR_CRC_CNTRL_ENABLE (1 << 0)
#define SOR_DP_DEBUG_MVID 0x12
......@@ -75,62 +83,101 @@
#define SOR_TEST_HEAD_MODE_MASK (3 << 8)
#define SOR_TEST_HEAD_MODE_AWAKE (2 << 8)
#define SOR_PLL_0 0x17
#define SOR_PLL_0_ICHPMP_MASK (0xf << 24)
#define SOR_PLL_0_ICHPMP(x) (((x) & 0xf) << 24)
#define SOR_PLL_0_VCOCAP_MASK (0xf << 8)
#define SOR_PLL_0_VCOCAP(x) (((x) & 0xf) << 8)
#define SOR_PLL_0_VCOCAP_RST SOR_PLL_0_VCOCAP(3)
#define SOR_PLL_0_PLLREG_MASK (0x3 << 6)
#define SOR_PLL_0_PLLREG_LEVEL(x) (((x) & 0x3) << 6)
#define SOR_PLL_0_PLLREG_LEVEL_V25 SOR_PLL_0_PLLREG_LEVEL(0)
#define SOR_PLL_0_PLLREG_LEVEL_V15 SOR_PLL_0_PLLREG_LEVEL(1)
#define SOR_PLL_0_PLLREG_LEVEL_V35 SOR_PLL_0_PLLREG_LEVEL(2)
#define SOR_PLL_0_PLLREG_LEVEL_V45 SOR_PLL_0_PLLREG_LEVEL(3)
#define SOR_PLL_0_PULLDOWN (1 << 5)
#define SOR_PLL_0_RESISTOR_EXT (1 << 4)
#define SOR_PLL_0_VCOPD (1 << 2)
#define SOR_PLL_0_POWER_OFF (1 << 0)
#define SOR_PLL_1 0x18
#define SOR_PLL0 0x17
#define SOR_PLL0_ICHPMP_MASK (0xf << 24)
#define SOR_PLL0_ICHPMP(x) (((x) & 0xf) << 24)
#define SOR_PLL0_VCOCAP_MASK (0xf << 8)
#define SOR_PLL0_VCOCAP(x) (((x) & 0xf) << 8)
#define SOR_PLL0_VCOCAP_RST SOR_PLL0_VCOCAP(3)
#define SOR_PLL0_PLLREG_MASK (0x3 << 6)
#define SOR_PLL0_PLLREG_LEVEL(x) (((x) & 0x3) << 6)
#define SOR_PLL0_PLLREG_LEVEL_V25 SOR_PLL0_PLLREG_LEVEL(0)
#define SOR_PLL0_PLLREG_LEVEL_V15 SOR_PLL0_PLLREG_LEVEL(1)
#define SOR_PLL0_PLLREG_LEVEL_V35 SOR_PLL0_PLLREG_LEVEL(2)
#define SOR_PLL0_PLLREG_LEVEL_V45 SOR_PLL0_PLLREG_LEVEL(3)
#define SOR_PLL0_PULLDOWN (1 << 5)
#define SOR_PLL0_RESISTOR_EXT (1 << 4)
#define SOR_PLL0_VCOPD (1 << 2)
#define SOR_PLL0_PWR (1 << 0)
#define SOR_PLL1 0x18
/* XXX: read-only bit? */
#define SOR_PLL_1_TERM_COMPOUT (1 << 15)
#define SOR_PLL_1_TMDS_TERM (1 << 8)
#define SOR_PLL_2 0x19
#define SOR_PLL_2_LVDS_ENABLE (1 << 25)
#define SOR_PLL_2_SEQ_PLLCAPPD_ENFORCE (1 << 24)
#define SOR_PLL_2_PORT_POWERDOWN (1 << 23)
#define SOR_PLL_2_BANDGAP_POWERDOWN (1 << 22)
#define SOR_PLL_2_POWERDOWN_OVERRIDE (1 << 18)
#define SOR_PLL_2_SEQ_PLLCAPPD (1 << 17)
#define SOR_PLL_3 0x1a
#define SOR_PLL_3_PLL_VDD_MODE_V1_8 (0 << 13)
#define SOR_PLL_3_PLL_VDD_MODE_V3_3 (1 << 13)
#define SOR_PLL1_LOADADJ_MASK (0xf << 20)
#define SOR_PLL1_LOADADJ(x) (((x) & 0xf) << 20)
#define SOR_PLL1_TERM_COMPOUT (1 << 15)
#define SOR_PLL1_TMDS_TERMADJ_MASK (0xf << 9)
#define SOR_PLL1_TMDS_TERMADJ(x) (((x) & 0xf) << 9)
#define SOR_PLL1_TMDS_TERM (1 << 8)
#define SOR_PLL2 0x19
#define SOR_PLL2_LVDS_ENABLE (1 << 25)
#define SOR_PLL2_SEQ_PLLCAPPD_ENFORCE (1 << 24)
#define SOR_PLL2_PORT_POWERDOWN (1 << 23)
#define SOR_PLL2_BANDGAP_POWERDOWN (1 << 22)
#define SOR_PLL2_POWERDOWN_OVERRIDE (1 << 18)
#define SOR_PLL2_SEQ_PLLCAPPD (1 << 17)
#define SOR_PLL2_SEQ_PLL_PULLDOWN (1 << 16)
#define SOR_PLL3 0x1a
#define SOR_PLL3_BG_VREF_LEVEL_MASK (0xf << 24)
#define SOR_PLL3_BG_VREF_LEVEL(x) (((x) & 0xf) << 24)
#define SOR_PLL3_PLL_VDD_MODE_1V8 (0 << 13)
#define SOR_PLL3_PLL_VDD_MODE_3V3 (1 << 13)
#define SOR_CSTM 0x1b
#define SOR_CSTM_ROTCLK_MASK (0xf << 24)
#define SOR_CSTM_ROTCLK(x) (((x) & 0xf) << 24)
#define SOR_CSTM_LVDS (1 << 16)
#define SOR_CSTM_LINK_ACT_B (1 << 15)
#define SOR_CSTM_LINK_ACT_A (1 << 14)
#define SOR_CSTM_UPPER (1 << 11)
#define SOR_LVDS 0x1c
#define SOR_CRC_A 0x1d
#define SOR_CRC_A_VALID (1 << 0)
#define SOR_CRC_A_RESET (1 << 0)
#define SOR_CRC_B 0x1e
#define SOR_CRCA 0x1d
#define SOR_CRCA_VALID (1 << 0)
#define SOR_CRCA_RESET (1 << 0)
#define SOR_CRCB 0x1e
#define SOR_BLANK 0x1f
#define SOR_SEQ_CTL 0x20
#define SOR_SEQ_CTL_PD_PC_ALT(x) (((x) & 0xf) << 12)
#define SOR_SEQ_CTL_PD_PC(x) (((x) & 0xf) << 8)
#define SOR_SEQ_CTL_PU_PC_ALT(x) (((x) & 0xf) << 4)
#define SOR_SEQ_CTL_PU_PC(x) (((x) & 0xf) << 0)
#define SOR_LANE_SEQ_CTL 0x21
#define SOR_LANE_SEQ_CTL_TRIGGER (1 << 31)
#define SOR_LANE_SEQ_CTL_STATE_BUSY (1 << 28)
#define SOR_LANE_SEQ_CTL_SEQUENCE_UP (0 << 20)
#define SOR_LANE_SEQ_CTL_SEQUENCE_DOWN (1 << 20)
#define SOR_LANE_SEQ_CTL_POWER_STATE_UP (0 << 16)
#define SOR_LANE_SEQ_CTL_POWER_STATE_DOWN (1 << 16)
#define SOR_LANE_SEQ_CTL_DELAY(x) (((x) & 0xf) << 12)
#define SOR_SEQ_INST(x) (0x22 + (x))
#define SOR_SEQ_INST_PLL_PULLDOWN (1 << 31)
#define SOR_SEQ_INST_POWERDOWN_MACRO (1 << 30)
#define SOR_SEQ_INST_ASSERT_PLL_RESET (1 << 29)
#define SOR_SEQ_INST_BLANK_V (1 << 28)
#define SOR_SEQ_INST_BLANK_H (1 << 27)
#define SOR_SEQ_INST_BLANK_DE (1 << 26)
#define SOR_SEQ_INST_BLACK_DATA (1 << 25)
#define SOR_SEQ_INST_TRISTATE_IOS (1 << 24)
#define SOR_SEQ_INST_DRIVE_PWM_OUT_LO (1 << 23)
#define SOR_SEQ_INST_PIN_B_LOW (0 << 22)
#define SOR_SEQ_INST_PIN_B_HIGH (1 << 22)
#define SOR_SEQ_INST_PIN_A_LOW (0 << 21)
#define SOR_SEQ_INST_PIN_A_HIGH (1 << 21)
#define SOR_SEQ_INST_SEQUENCE_UP (0 << 19)
#define SOR_SEQ_INST_SEQUENCE_DOWN (1 << 19)
#define SOR_SEQ_INST_LANE_SEQ_STOP (0 << 18)
#define SOR_SEQ_INST_LANE_SEQ_RUN (1 << 18)
#define SOR_SEQ_INST_PORT_POWERDOWN (1 << 17)
#define SOR_SEQ_INST_PLL_POWERDOWN (1 << 16)
#define SOR_SEQ_INST_HALT (1 << 15)
#define SOR_SEQ_INST_WAIT_US (0 << 12)
#define SOR_SEQ_INST_WAIT_MS (1 << 12)
#define SOR_SEQ_INST_WAIT_VSYNC (2 << 12)
#define SOR_SEQ_INST_WAIT(x) (((x) & 0x3ff) << 0)
#define SOR_PWM_DIV 0x32
#define SOR_PWM_DIV_MASK 0xffffff
......@@ -140,32 +187,36 @@
#define SOR_PWM_CTL_CLK_SEL (1 << 30)
#define SOR_PWM_CTL_DUTY_CYCLE_MASK 0xffffff
#define SOR_VCRC_A_0 0x34
#define SOR_VCRC_A_1 0x35
#define SOR_VCRC_B_0 0x36
#define SOR_VCRC_B_1 0x37
#define SOR_CCRC_A_0 0x38
#define SOR_CCRC_A_1 0x39
#define SOR_CCRC_B_0 0x3a
#define SOR_CCRC_B_1 0x3b
#define SOR_EDATA_A_0 0x3c
#define SOR_EDATA_A_1 0x3d
#define SOR_EDATA_B_0 0x3e
#define SOR_EDATA_B_1 0x3f
#define SOR_COUNT_A_0 0x40
#define SOR_COUNT_A_1 0x41
#define SOR_COUNT_B_0 0x42
#define SOR_COUNT_B_1 0x43
#define SOR_DEBUG_A_0 0x44
#define SOR_DEBUG_A_1 0x45
#define SOR_DEBUG_B_0 0x46
#define SOR_DEBUG_B_1 0x47
#define SOR_VCRC_A0 0x34
#define SOR_VCRC_A1 0x35
#define SOR_VCRC_B0 0x36
#define SOR_VCRC_B1 0x37
#define SOR_CCRC_A0 0x38
#define SOR_CCRC_A1 0x39
#define SOR_CCRC_B0 0x3a
#define SOR_CCRC_B1 0x3b
#define SOR_EDATA_A0 0x3c
#define SOR_EDATA_A1 0x3d
#define SOR_EDATA_B0 0x3e
#define SOR_EDATA_B1 0x3f
#define SOR_COUNT_A0 0x40
#define SOR_COUNT_A1 0x41
#define SOR_COUNT_B0 0x42
#define SOR_COUNT_B1 0x43
#define SOR_DEBUG_A0 0x44
#define SOR_DEBUG_A1 0x45
#define SOR_DEBUG_B0 0x46
#define SOR_DEBUG_B1 0x47
#define SOR_TRIG 0x48
#define SOR_MSCHECK 0x49
#define SOR_XBAR_CTRL 0x4a
#define SOR_XBAR_CTRL_LINK1_XSEL(channel, value) ((((value) & 0x7) << ((channel) * 3)) << 17)
#define SOR_XBAR_CTRL_LINK0_XSEL(channel, value) ((((value) & 0x7) << ((channel) * 3)) << 2)
#define SOR_XBAR_CTRL_LINK_SWAP (1 << 1)
#define SOR_XBAR_CTRL_BYPASS (1 << 0)
#define SOR_XBAR_POL 0x4b
#define SOR_DP_LINKCTL_0 0x4c
#define SOR_DP_LINKCTL0 0x4c
#define SOR_DP_LINKCTL_LANE_COUNT_MASK (0x1f << 16)
#define SOR_DP_LINKCTL_LANE_COUNT(x) (((1 << (x)) - 1) << 16)
#define SOR_DP_LINKCTL_ENHANCED_FRAME (1 << 14)
......@@ -173,34 +224,34 @@
#define SOR_DP_LINKCTL_TU_SIZE(x) (((x) & 0x7f) << 2)
#define SOR_DP_LINKCTL_ENABLE (1 << 0)
#define SOR_DP_LINKCTL_1 0x4d
#define SOR_DP_LINKCTL1 0x4d
#define SOR_LANE_DRIVE_CURRENT_0 0x4e
#define SOR_LANE_DRIVE_CURRENT_1 0x4f
#define SOR_LANE4_DRIVE_CURRENT_0 0x50
#define SOR_LANE4_DRIVE_CURRENT_1 0x51
#define SOR_LANE_DRIVE_CURRENT0 0x4e
#define SOR_LANE_DRIVE_CURRENT1 0x4f
#define SOR_LANE4_DRIVE_CURRENT0 0x50
#define SOR_LANE4_DRIVE_CURRENT1 0x51
#define SOR_LANE_DRIVE_CURRENT_LANE3(x) (((x) & 0xff) << 24)
#define SOR_LANE_DRIVE_CURRENT_LANE2(x) (((x) & 0xff) << 16)
#define SOR_LANE_DRIVE_CURRENT_LANE1(x) (((x) & 0xff) << 8)
#define SOR_LANE_DRIVE_CURRENT_LANE0(x) (((x) & 0xff) << 0)
#define SOR_LANE_PREEMPHASIS_0 0x52
#define SOR_LANE_PREEMPHASIS_1 0x53
#define SOR_LANE4_PREEMPHASIS_0 0x54
#define SOR_LANE4_PREEMPHASIS_1 0x55
#define SOR_LANE_PREEMPHASIS0 0x52
#define SOR_LANE_PREEMPHASIS1 0x53
#define SOR_LANE4_PREEMPHASIS0 0x54
#define SOR_LANE4_PREEMPHASIS1 0x55
#define SOR_LANE_PREEMPHASIS_LANE3(x) (((x) & 0xff) << 24)
#define SOR_LANE_PREEMPHASIS_LANE2(x) (((x) & 0xff) << 16)
#define SOR_LANE_PREEMPHASIS_LANE1(x) (((x) & 0xff) << 8)
#define SOR_LANE_PREEMPHASIS_LANE0(x) (((x) & 0xff) << 0)
#define SOR_LANE_POST_CURSOR_0 0x56
#define SOR_LANE_POST_CURSOR_1 0x57
#define SOR_LANE_POST_CURSOR_LANE3(x) (((x) & 0xff) << 24)
#define SOR_LANE_POST_CURSOR_LANE2(x) (((x) & 0xff) << 16)
#define SOR_LANE_POST_CURSOR_LANE1(x) (((x) & 0xff) << 8)
#define SOR_LANE_POST_CURSOR_LANE0(x) (((x) & 0xff) << 0)
#define SOR_LANE_POSTCURSOR0 0x56
#define SOR_LANE_POSTCURSOR1 0x57
#define SOR_LANE_POSTCURSOR_LANE3(x) (((x) & 0xff) << 24)
#define SOR_LANE_POSTCURSOR_LANE2(x) (((x) & 0xff) << 16)
#define SOR_LANE_POSTCURSOR_LANE1(x) (((x) & 0xff) << 8)
#define SOR_LANE_POSTCURSOR_LANE0(x) (((x) & 0xff) << 0)
#define SOR_DP_CONFIG_0 0x58
#define SOR_DP_CONFIG0 0x58
#define SOR_DP_CONFIG_DISPARITY_NEGATIVE (1 << 31)
#define SOR_DP_CONFIG_ACTIVE_SYM_ENABLE (1 << 26)
#define SOR_DP_CONFIG_ACTIVE_SYM_POLARITY (1 << 24)
......@@ -211,11 +262,11 @@
#define SOR_DP_CONFIG_WATERMARK_MASK (0x3f << 0)
#define SOR_DP_CONFIG_WATERMARK(x) (((x) & 0x3f) << 0)
#define SOR_DP_CONFIG_1 0x59
#define SOR_DP_MN_0 0x5a
#define SOR_DP_MN_1 0x5b
#define SOR_DP_CONFIG1 0x59
#define SOR_DP_MN0 0x5a
#define SOR_DP_MN1 0x5b
#define SOR_DP_PADCTL_0 0x5c
#define SOR_DP_PADCTL0 0x5c
#define SOR_DP_PADCTL_PAD_CAL_PD (1 << 23)
#define SOR_DP_PADCTL_TX_PU_ENABLE (1 << 22)
#define SOR_DP_PADCTL_TX_PU_MASK (0xff << 8)
......@@ -229,17 +280,18 @@
#define SOR_DP_PADCTL_PD_TXD_1 (1 << 1)
#define SOR_DP_PADCTL_PD_TXD_2 (1 << 0)
#define SOR_DP_PADCTL_1 0x5d
#define SOR_DP_PADCTL1 0x5d
#define SOR_DP_DEBUG_0 0x5e
#define SOR_DP_DEBUG_1 0x5f
#define SOR_DP_DEBUG0 0x5e
#define SOR_DP_DEBUG1 0x5f
#define SOR_DP_SPARE_0 0x60
#define SOR_DP_SPARE_MACRO_SOR_CLK (1 << 2)
#define SOR_DP_SPARE_PANEL_INTERNAL (1 << 1)
#define SOR_DP_SPARE_SEQ_ENABLE (1 << 0)
#define SOR_DP_SPARE0 0x60
#define SOR_DP_SPARE_DISP_VIDEO_PREAMBLE (1 << 3)
#define SOR_DP_SPARE_MACRO_SOR_CLK (1 << 2)
#define SOR_DP_SPARE_PANEL_INTERNAL (1 << 1)
#define SOR_DP_SPARE_SEQ_ENABLE (1 << 0)
#define SOR_DP_SPARE_1 0x61
#define SOR_DP_SPARE1 0x61
#define SOR_DP_AUDIO_CTRL 0x62
#define SOR_DP_AUDIO_HBLANK_SYMBOLS 0x63
......@@ -249,13 +301,13 @@
#define SOR_DP_AUDIO_VBLANK_SYMBOLS_MASK (0x1fffff << 0)
#define SOR_DP_GENERIC_INFOFRAME_HEADER 0x65
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK_0 0x66
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK_1 0x67
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK_2 0x68
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK_3 0x69
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK_4 0x6a
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK_5 0x6b
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK_6 0x6c
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK0 0x66
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK1 0x67
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK2 0x68
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK3 0x69
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK4 0x6a
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK5 0x6b
#define SOR_DP_GENERIC_INFOFRAME_SUBPACK6 0x6c
#define SOR_DP_TPG 0x6d
#define SOR_DP_TPG_CHANNEL_CODING (1 << 6)
......@@ -275,8 +327,44 @@
#define SOR_DP_TPG_PATTERN_NONE (0x0 << 0)
#define SOR_DP_TPG_CONFIG 0x6e
#define SOR_DP_LQ_CSTM_0 0x6f
#define SOR_DP_LQ_CSTM_1 0x70
#define SOR_DP_LQ_CSTM_2 0x71
#define SOR_DP_LQ_CSTM0 0x6f
#define SOR_DP_LQ_CSTM1 0x70
#define SOR_DP_LQ_CSTM2 0x71
#define SOR_HDMI_AUDIO_INFOFRAME_CTRL 0x9a
#define SOR_HDMI_AUDIO_INFOFRAME_STATUS 0x9b
#define SOR_HDMI_AUDIO_INFOFRAME_HEADER 0x9c
#define SOR_HDMI_AVI_INFOFRAME_CTRL 0x9f
#define INFOFRAME_CTRL_CHECKSUM_ENABLE (1 << 9)
#define INFOFRAME_CTRL_SINGLE (1 << 8)
#define INFOFRAME_CTRL_OTHER (1 << 4)
#define INFOFRAME_CTRL_ENABLE (1 << 0)
#define SOR_HDMI_AVI_INFOFRAME_STATUS 0xa0
#define INFOFRAME_STATUS_DONE (1 << 0)
#define SOR_HDMI_AVI_INFOFRAME_HEADER 0xa1
#define INFOFRAME_HEADER_LEN(x) (((x) & 0xff) << 16)
#define INFOFRAME_HEADER_VERSION(x) (((x) & 0xff) << 8)
#define INFOFRAME_HEADER_TYPE(x) (((x) & 0xff) << 0)
#define SOR_HDMI_CTRL 0xc0
#define SOR_HDMI_CTRL_ENABLE (1 << 30)
#define SOR_HDMI_CTRL_MAX_AC_PACKET(x) (((x) & 0x1f) << 16)
#define SOR_HDMI_CTRL_AUDIO_LAYOUT (1 << 10)
#define SOR_HDMI_CTRL_REKEY(x) (((x) & 0x7f) << 0)
#define SOR_REFCLK 0xe6
#define SOR_REFCLK_DIV_INT(x) ((((x) >> 2) & 0xff) << 8)
#define SOR_REFCLK_DIV_FRAC(x) (((x) & 0x3) << 6)
#define SOR_INPUT_CONTROL 0xe8
#define SOR_INPUT_CONTROL_ARM_VIDEO_RANGE_LIMITED (1 << 1)
#define SOR_INPUT_CONTROL_HDMI_SRC_SELECT(x) (((x) & 0x1) << 0)
#define SOR_HDMI_VSI_INFOFRAME_CTRL 0x123
#define SOR_HDMI_VSI_INFOFRAME_STATUS 0x124
#define SOR_HDMI_VSI_INFOFRAME_HEADER 0x125
#endif
drivers/gpu/host1x/mipi.c
浏览文件 @ bef2c7bd
......@@ -31,6 +31,9 @@
#include "dev.h"
#define MIPI_CAL_CTRL 0x00
#define MIPI_CAL_CTRL_NOISE_FILTER(x) (((x) & 0xf) << 26)
#define MIPI_CAL_CTRL_PRESCALE(x) (((x) & 0x3) << 24)
#define MIPI_CAL_CTRL_CLKEN_OVR (1 << 4)
#define MIPI_CAL_CTRL_START (1 << 0)
#define MIPI_CAL_AUTOCAL_CTRL 0x01
......@@ -44,15 +47,18 @@
#define MIPI_CAL_CONFIG_CSIC 0x07
#define MIPI_CAL_CONFIG_CSID 0x08
#define MIPI_CAL_CONFIG_CSIE 0x09
#define MIPI_CAL_CONFIG_CSIF 0x0a
#define MIPI_CAL_CONFIG_DSIA 0x0e
#define MIPI_CAL_CONFIG_DSIB 0x0f
#define MIPI_CAL_CONFIG_DSIC 0x10
#define MIPI_CAL_CONFIG_DSID 0x11
#define MIPI_CAL_CONFIG_DSIAB_CLK 0x19
#define MIPI_CAL_CONFIG_DSICD_CLK 0x1a
#define MIPI_CAL_CONFIG_DSIA_CLK 0x19
#define MIPI_CAL_CONFIG_DSIB_CLK 0x1a
#define MIPI_CAL_CONFIG_CSIAB_CLK 0x1b
#define MIPI_CAL_CONFIG_DSIC_CLK 0x1c
#define MIPI_CAL_CONFIG_CSICD_CLK 0x1c
#define MIPI_CAL_CONFIG_DSID_CLK 0x1d
#define MIPI_CAL_CONFIG_CSIE_CLK 0x1d
/* for data and clock lanes */
......@@ -73,8 +79,11 @@
#define MIPI_CAL_BIAS_PAD_CFG1 0x17
#define MIPI_CAL_BIAS_PAD_DRV_DN_REF(x) (((x) & 0x7) << 16)
#define MIPI_CAL_BIAS_PAD_DRV_UP_REF(x) (((x) & 0x7) << 8)
#define MIPI_CAL_BIAS_PAD_CFG2 0x18
#define MIPI_CAL_BIAS_PAD_VCLAMP(x) (((x) & 0x7) << 16)
#define MIPI_CAL_BIAS_PAD_VAUXP(x) (((x) & 0x7) << 4)
#define MIPI_CAL_BIAS_PAD_PDVREG (1 << 1)
struct tegra_mipi_pad {
......@@ -86,13 +95,35 @@ struct tegra_mipi_soc {
bool has_clk_lane;
const struct tegra_mipi_pad *pads;
unsigned int num_pads;
bool clock_enable_override;
bool needs_vclamp_ref;
/* bias pad configuration settings */
u8 pad_drive_down_ref;
u8 pad_drive_up_ref;
u8 pad_vclamp_level;
u8 pad_vauxp_level;
/* calibration settings for data lanes */
u8 hspdos;
u8 hspuos;
u8 termos;
/* calibration settings for clock lanes */
u8 hsclkpdos;
u8 hsclkpuos;
};
struct tegra_mipi {
const struct tegra_mipi_soc *soc;
struct device *dev;
void __iomem *regs;
struct mutex lock;
struct clk *clk;
unsigned long usage_count;
};
struct tegra_mipi_device {
......@@ -114,6 +145,67 @@ static inline void tegra_mipi_writel(struct tegra_mipi *mipi, u32 value,
writel(value, mipi->regs + (offset << 2));
}
static int tegra_mipi_power_up(struct tegra_mipi *mipi)
{
u32 value;
int err;
err = clk_enable(mipi->clk);
if (err < 0)
return err;
value = tegra_mipi_readl(mipi, MIPI_CAL_BIAS_PAD_CFG0);
value &= ~MIPI_CAL_BIAS_PAD_PDVCLAMP;
if (mipi->soc->needs_vclamp_ref)
value |= MIPI_CAL_BIAS_PAD_E_VCLAMP_REF;
tegra_mipi_writel(mipi, value, MIPI_CAL_BIAS_PAD_CFG0);
value = tegra_mipi_readl(mipi, MIPI_CAL_BIAS_PAD_CFG2);
value &= ~MIPI_CAL_BIAS_PAD_PDVREG;
tegra_mipi_writel(mipi, value, MIPI_CAL_BIAS_PAD_CFG2);
clk_disable(mipi->clk);
return 0;
}
static int tegra_mipi_power_down(struct tegra_mipi *mipi)
{
u32 value;
int err;
err = clk_enable(mipi->clk);
if (err < 0)
return err;
/*
* The MIPI_CAL_BIAS_PAD_PDVREG controls a voltage regulator that
* supplies the DSI pads. This must be kept enabled until none of the
* DSI lanes are used anymore.
*/
value = tegra_mipi_readl(mipi, MIPI_CAL_BIAS_PAD_CFG2);
value |= MIPI_CAL_BIAS_PAD_PDVREG;
tegra_mipi_writel(mipi, value, MIPI_CAL_BIAS_PAD_CFG2);
/*
* MIPI_CAL_BIAS_PAD_PDVCLAMP and MIPI_CAL_BIAS_PAD_E_VCLAMP_REF
* control a regulator that supplies current to the pre-driver logic.
* Powering down this regulator causes DSI to fail, so it must remain
* powered on until none of the DSI lanes are used anymore.
*/
value = tegra_mipi_readl(mipi, MIPI_CAL_BIAS_PAD_CFG0);
if (mipi->soc->needs_vclamp_ref)
value &= ~MIPI_CAL_BIAS_PAD_E_VCLAMP_REF;
value |= MIPI_CAL_BIAS_PAD_PDVCLAMP;
tegra_mipi_writel(mipi, value, MIPI_CAL_BIAS_PAD_CFG0);
return 0;
}
struct tegra_mipi_device *tegra_mipi_request(struct device *device)
{
struct device_node *np = device->of_node;
......@@ -150,6 +242,20 @@ struct tegra_mipi_device *tegra_mipi_request(struct device *device)
dev->pads = args.args[0];
dev->device = device;
mutex_lock(&dev->mipi->lock);
if (dev->mipi->usage_count++ == 0) {
err = tegra_mipi_power_up(dev->mipi);
if (err < 0) {
dev_err(dev->mipi->dev,
"failed to power up MIPI bricks: %d\n",
err);
return ERR_PTR(err);
}
}
mutex_unlock(&dev->mipi->lock);
return dev;
put:
......@@ -164,6 +270,25 @@ EXPORT_SYMBOL(tegra_mipi_request);
void tegra_mipi_free(struct tegra_mipi_device *device)
{
int err;
mutex_lock(&device->mipi->lock);
if (--device->mipi->usage_count == 0) {
err = tegra_mipi_power_down(device->mipi);
if (err < 0) {
/*
* Not much that can be done here, so an error message
* will have to do.
*/
dev_err(device->mipi->dev,
"failed to power down MIPI bricks: %d\n",
err);
}
}
mutex_unlock(&device->mipi->lock);
platform_device_put(device->pdev);
kfree(device);
}
......@@ -199,16 +324,15 @@ int tegra_mipi_calibrate(struct tegra_mipi_device *device)
mutex_lock(&device->mipi->lock);
value = tegra_mipi_readl(device->mipi, MIPI_CAL_BIAS_PAD_CFG0);
value &= ~MIPI_CAL_BIAS_PAD_PDVCLAMP;
value |= MIPI_CAL_BIAS_PAD_E_VCLAMP_REF;
tegra_mipi_writel(device->mipi, value, MIPI_CAL_BIAS_PAD_CFG0);
tegra_mipi_writel(device->mipi, MIPI_CAL_BIAS_PAD_DRV_DN_REF(2),
MIPI_CAL_BIAS_PAD_CFG1);
value = MIPI_CAL_BIAS_PAD_DRV_DN_REF(soc->pad_drive_down_ref) |
MIPI_CAL_BIAS_PAD_DRV_UP_REF(soc->pad_drive_up_ref);
tegra_mipi_writel(device->mipi, value, MIPI_CAL_BIAS_PAD_CFG1);
value = tegra_mipi_readl(device->mipi, MIPI_CAL_BIAS_PAD_CFG2);
value &= ~MIPI_CAL_BIAS_PAD_PDVREG;
value &= ~MIPI_CAL_BIAS_PAD_VCLAMP(0x7);
value &= ~MIPI_CAL_BIAS_PAD_VAUXP(0x7);
value |= MIPI_CAL_BIAS_PAD_VCLAMP(soc->pad_vclamp_level);
value |= MIPI_CAL_BIAS_PAD_VAUXP(soc->pad_vauxp_level);
tegra_mipi_writel(device->mipi, value, MIPI_CAL_BIAS_PAD_CFG2);
for (i = 0; i < soc->num_pads; i++) {
......@@ -216,20 +340,37 @@ int tegra_mipi_calibrate(struct tegra_mipi_device *device)
if (device->pads & BIT(i)) {
data = MIPI_CAL_CONFIG_SELECT |
MIPI_CAL_CONFIG_HSPDOS(0) |
MIPI_CAL_CONFIG_HSPUOS(4) |
MIPI_CAL_CONFIG_TERMOS(5);
MIPI_CAL_CONFIG_HSPDOS(soc->hspdos) |
MIPI_CAL_CONFIG_HSPUOS(soc->hspuos) |
MIPI_CAL_CONFIG_TERMOS(soc->termos);
clk = MIPI_CAL_CONFIG_SELECT |
MIPI_CAL_CONFIG_HSCLKPDOSD(0) |
MIPI_CAL_CONFIG_HSCLKPUOSD(4);
MIPI_CAL_CONFIG_HSCLKPDOSD(soc->hsclkpdos) |
MIPI_CAL_CONFIG_HSCLKPUOSD(soc->hsclkpuos);
}
tegra_mipi_writel(device->mipi, data, soc->pads[i].data);
if (soc->has_clk_lane)
if (soc->has_clk_lane && soc->pads[i].clk != 0)
tegra_mipi_writel(device->mipi, clk, soc->pads[i].clk);
}
value = tegra_mipi_readl(device->mipi, MIPI_CAL_CTRL);
value &= ~MIPI_CAL_CTRL_NOISE_FILTER(0xf);
value &= ~MIPI_CAL_CTRL_PRESCALE(0x3);
value |= MIPI_CAL_CTRL_NOISE_FILTER(0xa);
value |= MIPI_CAL_CTRL_PRESCALE(0x2);
if (!soc->clock_enable_override)
value &= ~MIPI_CAL_CTRL_CLKEN_OVR;
else
value |= MIPI_CAL_CTRL_CLKEN_OVR;
tegra_mipi_writel(device->mipi, value, MIPI_CAL_CTRL);
/* clear any pending status bits */
value = tegra_mipi_readl(device->mipi, MIPI_CAL_STATUS);
tegra_mipi_writel(device->mipi, value, MIPI_CAL_STATUS);
value = tegra_mipi_readl(device->mipi, MIPI_CAL_CTRL);
value |= MIPI_CAL_CTRL_START;
tegra_mipi_writel(device->mipi, value, MIPI_CAL_CTRL);
......@@ -259,6 +400,17 @@ static const struct tegra_mipi_soc tegra114_mipi_soc = {
.has_clk_lane = false,
.pads = tegra114_mipi_pads,
.num_pads = ARRAY_SIZE(tegra114_mipi_pads),
.clock_enable_override = true,
.needs_vclamp_ref = true,
.pad_drive_down_ref = 0x2,
.pad_drive_up_ref = 0x0,
.pad_vclamp_level = 0x0,
.pad_vauxp_level = 0x0,
.hspdos = 0x0,
.hspuos = 0x4,
.termos = 0x5,
.hsclkpdos = 0x0,
.hsclkpuos = 0x4,
};
static const struct tegra_mipi_pad tegra124_mipi_pads[] = {
......@@ -266,20 +418,80 @@ static const struct tegra_mipi_pad tegra124_mipi_pads[] = {
{ .data = MIPI_CAL_CONFIG_CSIB, .clk = MIPI_CAL_CONFIG_CSIAB_CLK },
{ .data = MIPI_CAL_CONFIG_CSIC, .clk = MIPI_CAL_CONFIG_CSICD_CLK },
{ .data = MIPI_CAL_CONFIG_CSID, .clk = MIPI_CAL_CONFIG_CSICD_CLK },
{ .data = MIPI_CAL_CONFIG_CSIE, .clk = MIPI_CAL_CONFIG_CSIE_CLK },
{ .data = MIPI_CAL_CONFIG_DSIA, .clk = MIPI_CAL_CONFIG_DSIAB_CLK },
{ .data = MIPI_CAL_CONFIG_DSIB, .clk = MIPI_CAL_CONFIG_DSIAB_CLK },
{ .data = MIPI_CAL_CONFIG_CSIE, .clk = MIPI_CAL_CONFIG_CSIE_CLK },
{ .data = MIPI_CAL_CONFIG_DSIA, .clk = MIPI_CAL_CONFIG_DSIA_CLK },
{ .data = MIPI_CAL_CONFIG_DSIB, .clk = MIPI_CAL_CONFIG_DSIB_CLK },
};
static const struct tegra_mipi_soc tegra124_mipi_soc = {
.has_clk_lane = true,
.pads = tegra124_mipi_pads,
.num_pads = ARRAY_SIZE(tegra124_mipi_pads),
.clock_enable_override = true,
.needs_vclamp_ref = true,
.pad_drive_down_ref = 0x2,
.pad_drive_up_ref = 0x0,
.pad_vclamp_level = 0x0,
.pad_vauxp_level = 0x0,
.hspdos = 0x0,
.hspuos = 0x0,
.termos = 0x0,
.hsclkpdos = 0x1,
.hsclkpuos = 0x2,
};
static const struct tegra_mipi_soc tegra132_mipi_soc = {
.has_clk_lane = true,
.pads = tegra124_mipi_pads,
.num_pads = ARRAY_SIZE(tegra124_mipi_pads),
.clock_enable_override = false,
.needs_vclamp_ref = false,
.pad_drive_down_ref = 0x0,
.pad_drive_up_ref = 0x3,
.pad_vclamp_level = 0x0,
.pad_vauxp_level = 0x0,
.hspdos = 0x0,
.hspuos = 0x0,
.termos = 0x0,
.hsclkpdos = 0x3,
.hsclkpuos = 0x2,
};
static const struct tegra_mipi_pad tegra210_mipi_pads[] = {
{ .data = MIPI_CAL_CONFIG_CSIA, .clk = 0 },
{ .data = MIPI_CAL_CONFIG_CSIB, .clk = 0 },
{ .data = MIPI_CAL_CONFIG_CSIC, .clk = 0 },
{ .data = MIPI_CAL_CONFIG_CSID, .clk = 0 },
{ .data = MIPI_CAL_CONFIG_CSIE, .clk = 0 },
{ .data = MIPI_CAL_CONFIG_CSIF, .clk = 0 },
{ .data = MIPI_CAL_CONFIG_DSIA, .clk = MIPI_CAL_CONFIG_DSIA_CLK },
{ .data = MIPI_CAL_CONFIG_DSIB, .clk = MIPI_CAL_CONFIG_DSIB_CLK },
{ .data = MIPI_CAL_CONFIG_DSIC, .clk = MIPI_CAL_CONFIG_DSIC_CLK },
{ .data = MIPI_CAL_CONFIG_DSID, .clk = MIPI_CAL_CONFIG_DSID_CLK },
};
static const struct tegra_mipi_soc tegra210_mipi_soc = {
.has_clk_lane = true,
.pads = tegra210_mipi_pads,
.num_pads = ARRAY_SIZE(tegra210_mipi_pads),
.clock_enable_override = true,
.needs_vclamp_ref = false,
.pad_drive_down_ref = 0x0,
.pad_drive_up_ref = 0x3,
.pad_vclamp_level = 0x1,
.pad_vauxp_level = 0x1,
.hspdos = 0x0,
.hspuos = 0x2,
.termos = 0x0,
.hsclkpdos = 0x0,
.hsclkpuos = 0x2,
};
static struct of_device_id tegra_mipi_of_match[] = {
static const struct of_device_id tegra_mipi_of_match[] = {
{ .compatible = "nvidia,tegra114-mipi", .data = &tegra114_mipi_soc },
{ .compatible = "nvidia,tegra124-mipi", .data = &tegra124_mipi_soc },
{ .compatible = "nvidia,tegra132-mipi", .data = &tegra132_mipi_soc },
{ .compatible = "nvidia,tegra210-mipi", .data = &tegra210_mipi_soc },
{ },
};
......@@ -299,6 +511,7 @@ static int tegra_mipi_probe(struct platform_device *pdev)
return -ENOMEM;
mipi->soc = match->data;
mipi->dev = &pdev->dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mipi->regs = devm_ioremap_resource(&pdev->dev, res);
......
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