Hi Maxime
On Wed, 8 Jul 2020 at 18:44, Maxime Ripard <maxime@xxxxxxxxxx> wrote:
>
> Now that the driver is ready for it, let's bring in the HDMI controllers
> variants for the BCM2711.
>
> Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
Reviewed-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/vc4/vc4_hdmi.c | 278 +++++++++++++++++-
> drivers/gpu/drm/vc4/vc4_hdmi.h | 36 ++-
> drivers/gpu/drm/vc4/vc4_hdmi_phy.c | 480 +++++++++++++++++++++++++++++-
> drivers/gpu/drm/vc4/vc4_hdmi_regs.h | 201 ++++++++++++-
> drivers/gpu/drm/vc4/vc4_regs.h | 2 +-
> 5 files changed, 997 insertions(+)
>
> diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
> index 37463b016b47..d5ba0b1b73a9 100644
> --- a/drivers/gpu/drm/vc4/vc4_hdmi.c
> +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
> @@ -43,6 +43,7 @@
> #include <linux/of_platform.h>
> #include <linux/pm_runtime.h>
> #include <linux/rational.h>
> +#include <linux/reset.h>
> #include <sound/dmaengine_pcm.h>
> #include <sound/pcm_drm_eld.h>
> #include <sound/pcm_params.h>
> @@ -53,6 +54,31 @@
> #include "vc4_hdmi_regs.h"
> #include "vc4_regs.h"
>
> +#define VC5_HDMI_HORZA_HFP_SHIFT 16
> +#define VC5_HDMI_HORZA_HFP_MASK VC4_MASK(28, 16)
> +#define VC5_HDMI_HORZA_VPOS BIT(15)
> +#define VC5_HDMI_HORZA_HPOS BIT(14)
> +#define VC5_HDMI_HORZA_HAP_SHIFT 0
> +#define VC5_HDMI_HORZA_HAP_MASK VC4_MASK(13, 0)
> +
> +#define VC5_HDMI_HORZB_HBP_SHIFT 16
> +#define VC5_HDMI_HORZB_HBP_MASK VC4_MASK(26, 16)
> +#define VC5_HDMI_HORZB_HSP_SHIFT 0
> +#define VC5_HDMI_HORZB_HSP_MASK VC4_MASK(10, 0)
> +
> +#define VC5_HDMI_VERTA_VSP_SHIFT 24
> +#define VC5_HDMI_VERTA_VSP_MASK VC4_MASK(28, 24)
> +#define VC5_HDMI_VERTA_VFP_SHIFT 16
> +#define VC5_HDMI_VERTA_VFP_MASK VC4_MASK(22, 16)
> +#define VC5_HDMI_VERTA_VAL_SHIFT 0
> +#define VC5_HDMI_VERTA_VAL_MASK VC4_MASK(12, 0)
> +
> +#define VC5_HDMI_VERTB_VSPO_SHIFT 16
> +#define VC5_HDMI_VERTB_VSPO_MASK VC4_MASK(29, 16)
> +
> +# define VC4_HD_M_SW_RST BIT(2)
> +# define VC4_HD_M_ENABLE BIT(0)
> +
> #define CEC_CLOCK_FREQ 40000
>
> static int vc4_hdmi_debugfs_regs(struct seq_file *m, void *unused)
> @@ -82,6 +108,16 @@ static void vc4_hdmi_reset(struct vc4_hdmi *vc4_hdmi)
> HDMI_WRITE(HDMI_SW_RESET_CONTROL, 0);
> }
>
> +static void vc5_hdmi_reset(struct vc4_hdmi *vc4_hdmi)
> +{
> + reset_control_reset(vc4_hdmi->reset);
> +
> + HDMI_WRITE(HDMI_DVP_CTL, 0);
> +
> + HDMI_WRITE(HDMI_CLOCK_STOP,
> + HDMI_READ(HDMI_CLOCK_STOP) | VC4_DVP_HT_CLOCK_STOP_PIXEL);
> +}
> +
> static enum drm_connector_status
> vc4_hdmi_connector_detect(struct drm_connector *connector, bool force)
> {
> @@ -391,6 +427,45 @@ static void vc4_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi, bool enable)
> HDMI_WRITE(HDMI_CSC_CTL, csc_ctl);
> }
>
> +static void vc5_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi, bool enable)
> +{
> + u32 csc_ctl;
> +
> + csc_ctl = 0x07; /* RGB_CONVERT_MODE = custom matrix, || USE_RGB_TO_YCBCR */
> +
> + if (enable) {
> + /* CEA VICs other than #1 requre limited range RGB
> + * output unless overridden by an AVI infoframe.
> + * Apply a colorspace conversion to squash 0-255 down
> + * to 16-235. The matrix here is:
> + *
> + * [ 0.8594 0 0 16]
> + * [ 0 0.8594 0 16]
> + * [ 0 0 0.8594 16]
> + * [ 0 0 0 1]
> + * Matrix is signed 2p13 fixed point, with signed 9p6 offsets
> + */
> + HDMI_WRITE(HDMI_CSC_12_11, (0x0000 << 16) | 0x1b80);
> + HDMI_WRITE(HDMI_CSC_14_13, (0x0400 << 16) | 0x0000);
> + HDMI_WRITE(HDMI_CSC_22_21, (0x1b80 << 16) | 0x0000);
> + HDMI_WRITE(HDMI_CSC_24_23, (0x0400 << 16) | 0x0000);
> + HDMI_WRITE(HDMI_CSC_32_31, (0x0000 << 16) | 0x0000);
> + HDMI_WRITE(HDMI_CSC_34_33, (0x0400 << 16) | 0x1b80);
> + } else {
> + /* Still use the matrix for full range, but make it unity.
> + * Matrix is signed 2p13 fixed point, with signed 9p6 offsets
> + */
> + HDMI_WRITE(HDMI_CSC_12_11, (0x0000 << 16) | 0x2000);
> + HDMI_WRITE(HDMI_CSC_14_13, (0x0000 << 16) | 0x0000);
> + HDMI_WRITE(HDMI_CSC_22_21, (0x2000 << 16) | 0x0000);
> + HDMI_WRITE(HDMI_CSC_24_23, (0x0000 << 16) | 0x0000);
> + HDMI_WRITE(HDMI_CSC_32_31, (0x0000 << 16) | 0x0000);
> + HDMI_WRITE(HDMI_CSC_34_33, (0x0000 << 16) | 0x2000);
> + }
> +
> + HDMI_WRITE(HDMI_CSC_CTL, csc_ctl);
> +}
> +
> static void vc4_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
> struct drm_display_mode *mode)
> {
> @@ -435,6 +510,53 @@ static void vc4_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
> HDMI_WRITE(HDMI_VERTB0, vertb_even);
> HDMI_WRITE(HDMI_VERTB1, vertb);
> }
> +static void vc5_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
> + struct drm_display_mode *mode)
> +{
> + bool hsync_pos = mode->flags & DRM_MODE_FLAG_PHSYNC;
> + bool vsync_pos = mode->flags & DRM_MODE_FLAG_PVSYNC;
> + bool interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
> + u32 pixel_rep = (mode->flags & DRM_MODE_FLAG_DBLCLK) ? 2 : 1;
> + u32 verta = (VC4_SET_FIELD(mode->crtc_vsync_end - mode->crtc_vsync_start,
> + VC5_HDMI_VERTA_VSP) |
> + VC4_SET_FIELD(mode->crtc_vsync_start - mode->crtc_vdisplay,
> + VC5_HDMI_VERTA_VFP) |
> + VC4_SET_FIELD(mode->crtc_vdisplay, VC5_HDMI_VERTA_VAL));
> + u32 vertb = (VC4_SET_FIELD(0, VC5_HDMI_VERTB_VSPO) |
> + VC4_SET_FIELD(mode->crtc_vtotal - mode->crtc_vsync_end,
> + VC4_HDMI_VERTB_VBP));
> + u32 vertb_even = (VC4_SET_FIELD(0, VC5_HDMI_VERTB_VSPO) |
> + VC4_SET_FIELD(mode->crtc_vtotal -
> + mode->crtc_vsync_end -
> + interlaced,
> + VC4_HDMI_VERTB_VBP));
> +
> + HDMI_WRITE(HDMI_VEC_INTERFACE_XBAR, 0x354021);
> + HDMI_WRITE(HDMI_HORZA,
> + (vsync_pos ? VC5_HDMI_HORZA_VPOS : 0) |
> + (hsync_pos ? VC5_HDMI_HORZA_HPOS : 0) |
> + VC4_SET_FIELD(mode->hdisplay * pixel_rep,
> + VC5_HDMI_HORZA_HAP) |
> + VC4_SET_FIELD((mode->hsync_start -
> + mode->hdisplay) * pixel_rep,
> + VC5_HDMI_HORZA_HFP));
> +
> + HDMI_WRITE(HDMI_HORZB,
> + VC4_SET_FIELD((mode->htotal -
> + mode->hsync_end) * pixel_rep,
> + VC5_HDMI_HORZB_HBP) |
> + VC4_SET_FIELD((mode->hsync_end -
> + mode->hsync_start) * pixel_rep,
> + VC5_HDMI_HORZB_HSP));
> +
> + HDMI_WRITE(HDMI_VERTA0, verta);
> + HDMI_WRITE(HDMI_VERTA1, verta);
> +
> + HDMI_WRITE(HDMI_VERTB0, vertb_even);
> + HDMI_WRITE(HDMI_VERTB1, vertb);
> +
> + HDMI_WRITE(HDMI_CLOCK_STOP, 0);
> +}
>
> static void vc4_hdmi_recenter_fifo(struct vc4_hdmi *vc4_hdmi)
> {
> @@ -645,6 +767,18 @@ static u32 vc4_hdmi_channel_map(struct vc4_hdmi *vc4_hdmi, u32 channel_mask)
> return channel_map;
> }
>
> +static u32 vc5_hdmi_channel_map(struct vc4_hdmi *vc4_hdmi, u32 channel_mask)
> +{
> + int i;
> + u32 channel_map = 0;
> +
> + for (i = 0; i < 8; i++) {
> + if (channel_mask & BIT(i))
> + channel_map |= i << (4 * i);
> + }
> + return channel_map;
> +}
> +
> /* HDMI audio codec callbacks */
> static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *vc4_hdmi)
> {
> @@ -1377,6 +1511,98 @@ static int vc4_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi)
> return 0;
> }
>
> +static int vc5_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi)
> +{
> + struct platform_device *pdev = vc4_hdmi->pdev;
> + struct device *dev = &pdev->dev;
> + struct resource *res;
> +
> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi");
> + if (!res)
> + return -ENODEV;
> +
> + vc4_hdmi->hdmicore_regs = devm_ioremap(dev, res->start,
> + resource_size(res));
> + if (IS_ERR(vc4_hdmi->hdmicore_regs))
> + return PTR_ERR(vc4_hdmi->hdmicore_regs);
> +
> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hd");
> + if (!res)
> + return -ENODEV;
> +
> + vc4_hdmi->hd_regs = devm_ioremap(dev, res->start, resource_size(res));
> + if (IS_ERR(vc4_hdmi->hd_regs))
> + return PTR_ERR(vc4_hdmi->hd_regs);
> +
> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cec");
> + if (!res)
> + return -ENODEV;
> +
> + vc4_hdmi->cec_regs = devm_ioremap(dev, res->start, resource_size(res));
> + if (IS_ERR(vc4_hdmi->cec_regs))
> + return PTR_ERR(vc4_hdmi->cec_regs);
> +
> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "csc");
> + if (!res)
> + return -ENODEV;
> +
> + vc4_hdmi->csc_regs = devm_ioremap(dev, res->start, resource_size(res));
> + if (IS_ERR(vc4_hdmi->csc_regs))
> + return PTR_ERR(vc4_hdmi->csc_regs);
> +
> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dvp");
> + if (!res)
> + return -ENODEV;
> +
> + vc4_hdmi->dvp_regs = devm_ioremap(dev, res->start, resource_size(res));
> + if (IS_ERR(vc4_hdmi->dvp_regs))
> + return PTR_ERR(vc4_hdmi->dvp_regs);
> +
> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy");
> + if (!res)
> + return -ENODEV;
> +
> + vc4_hdmi->phy_regs = devm_ioremap(dev, res->start, resource_size(res));
> + if (IS_ERR(vc4_hdmi->phy_regs))
> + return PTR_ERR(vc4_hdmi->phy_regs);
> +
> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "packet");
> + if (!res)
> + return -ENODEV;
> +
> + vc4_hdmi->ram_regs = devm_ioremap(dev, res->start, resource_size(res));
> + if (IS_ERR(vc4_hdmi->ram_regs))
> + return PTR_ERR(vc4_hdmi->ram_regs);
> +
> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rm");
> + if (!res)
> + return -ENODEV;
> +
> + vc4_hdmi->rm_regs = devm_ioremap(dev, res->start, resource_size(res));
> + if (IS_ERR(vc4_hdmi->rm_regs))
> + return PTR_ERR(vc4_hdmi->rm_regs);
> +
> + vc4_hdmi->hsm_clock = devm_clk_get(dev, "hdmi");
> + if (IS_ERR(vc4_hdmi->hsm_clock)) {
> + DRM_ERROR("Failed to get HDMI state machine clock\n");
> + return PTR_ERR(vc4_hdmi->hsm_clock);
> + }
> +
> + vc4_hdmi->audio_clock = devm_clk_get(dev, "clk-108M");
> + if (IS_ERR(vc4_hdmi->audio_clock)) {
> + DRM_ERROR("Failed to get 108MHz clock\n");
> + return PTR_ERR(vc4_hdmi->audio_clock);
> + }
> +
> + vc4_hdmi->reset = devm_reset_control_get(dev, NULL);
> + if (IS_ERR(vc4_hdmi->reset)) {
> + DRM_ERROR("Failed to get HDMI reset line\n");
> + return PTR_ERR(vc4_hdmi->reset);
> + }
> +
> + return 0;
> +}
> +
> static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
> {
> const struct vc4_hdmi_variant *variant = of_device_get_match_data(dev);
> @@ -1547,8 +1773,60 @@ static const struct vc4_hdmi_variant bcm2835_variant = {
> .channel_map = vc4_hdmi_channel_map,
> };
>
> +static const struct vc4_hdmi_variant bcm2711_hdmi0_variant = {
> + .encoder_type = VC4_ENCODER_TYPE_HDMI0,
> + .debugfs_name = "hdmi0_regs",
> + .card_name = "vc4-hdmi-0",
> + .max_pixel_clock = 297000000,
> + .registers = vc5_hdmi_hdmi0_fields,
> + .num_registers = ARRAY_SIZE(vc5_hdmi_hdmi0_fields),
> + .phy_lane_mapping = {
> + PHY_LANE_0,
> + PHY_LANE_1,
> + PHY_LANE_2,
> + PHY_LANE_CK,
> + },
> +
> + .init_resources = vc5_hdmi_init_resources,
> + .csc_setup = vc5_hdmi_csc_setup,
> + .reset = vc5_hdmi_reset,
> + .set_timings = vc5_hdmi_set_timings,
> + .phy_init = vc5_hdmi_phy_init,
> + .phy_disable = vc5_hdmi_phy_disable,
> + .phy_rng_enable = vc5_hdmi_phy_rng_enable,
> + .phy_rng_disable = vc5_hdmi_phy_rng_disable,
> + .channel_map = vc5_hdmi_channel_map,
> +};
> +
> +static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = {
> + .encoder_type = VC4_ENCODER_TYPE_HDMI1,
> + .debugfs_name = "hdmi1_regs",
> + .card_name = "vc4-hdmi-1",
> + .max_pixel_clock = 297000000,
> + .registers = vc5_hdmi_hdmi1_fields,
> + .num_registers = ARRAY_SIZE(vc5_hdmi_hdmi1_fields),
> + .phy_lane_mapping = {
> + PHY_LANE_1,
> + PHY_LANE_0,
> + PHY_LANE_CK,
> + PHY_LANE_2,
> + },
> +
> + .init_resources = vc5_hdmi_init_resources,
> + .csc_setup = vc5_hdmi_csc_setup,
> + .reset = vc5_hdmi_reset,
> + .set_timings = vc5_hdmi_set_timings,
> + .phy_init = vc5_hdmi_phy_init,
> + .phy_disable = vc5_hdmi_phy_disable,
> + .phy_rng_enable = vc5_hdmi_phy_rng_enable,
> + .phy_rng_disable = vc5_hdmi_phy_rng_disable,
> + .channel_map = vc5_hdmi_channel_map,
> +};
> +
> static const struct of_device_id vc4_hdmi_dt_match[] = {
> { .compatible = "brcm,bcm2835-hdmi", .data = &bcm2835_variant },
> + { .compatible = "brcm,bcm2711-hdmi0", .data = &bcm2711_hdmi0_variant },
> + { .compatible = "brcm,bcm2711-hdmi1", .data = &bcm2711_hdmi1_variant },
> {}
> };
>
> diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
> index 34138e0dd4a6..0806c6d9f24e 100644
> --- a/drivers/gpu/drm/vc4/vc4_hdmi.h
> +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
> @@ -26,6 +26,13 @@ struct drm_display_mode;
> struct vc4_hdmi;
> struct vc4_hdmi_register;
>
> +enum vc4_hdmi_phy_channel {
> + PHY_LANE_0 = 0,
> + PHY_LANE_1,
> + PHY_LANE_2,
> + PHY_LANE_CK,
> +};
> +
> struct vc4_hdmi_variant {
> /* Encoder Type for that controller */
> enum vc4_encoder_type encoder_type;
> @@ -48,6 +55,13 @@ struct vc4_hdmi_variant {
> /* Number of registers on that variant */
> unsigned int num_registers;
>
> + /* BCM2711 Only.
> + * The variants don't map the lane in the same order in the
> + * PHY, so this is an array mapping the HDMI channel (index)
> + * to the PHY lane (value).
> + */
> + enum vc4_hdmi_phy_channel phy_lane_mapping[4];
> +
> /* Callback to get the resources (memory region, interrupts,
> * clocks, etc) for that variant.
> */
> @@ -108,6 +122,20 @@ struct vc4_hdmi {
> struct i2c_adapter *ddc;
> void __iomem *hdmicore_regs;
> void __iomem *hd_regs;
> +
> + /* VC5 Only */
> + void __iomem *cec_regs;
> + /* VC5 Only */
> + void __iomem *csc_regs;
> + /* VC5 Only */
> + void __iomem *dvp_regs;
> + /* VC5 Only */
> + void __iomem *phy_regs;
> + /* VC5 Only */
> + void __iomem *ram_regs;
> + /* VC5 Only */
> + void __iomem *rm_regs;
> +
> int hpd_gpio;
> bool hpd_active_low;
>
> @@ -120,6 +148,8 @@ struct vc4_hdmi {
> struct clk *hsm_clock;
> struct clk *audio_clock;
>
> + struct reset_control *reset;
> +
> struct debugfs_regset32 hdmi_regset;
> struct debugfs_regset32 hd_regset;
> };
> @@ -144,4 +174,10 @@ void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
> void vc4_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
> void vc4_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
>
> +void vc5_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
> + struct drm_display_mode *mode);
> +void vc5_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
> +void vc5_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
> +void vc5_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
> +
> #endif /* _VC4_HDMI_H_ */
> diff --git a/drivers/gpu/drm/vc4/vc4_hdmi_phy.c b/drivers/gpu/drm/vc4/vc4_hdmi_phy.c
> index 93287e24d7d1..4d36f8c33401 100644
> --- a/drivers/gpu/drm/vc4/vc4_hdmi_phy.c
> +++ b/drivers/gpu/drm/vc4/vc4_hdmi_phy.c
> @@ -10,6 +10,123 @@
> #include "vc4_regs.h"
> #include "vc4_hdmi_regs.h"
>
> +#define VC4_HDMI_TX_PHY_RESET_CTL_PLL_RESETB BIT(5)
> +#define VC4_HDMI_TX_PHY_RESET_CTL_PLLDIV_RESETB BIT(4)
> +#define VC4_HDMI_TX_PHY_RESET_CTL_TX_CK_RESET BIT(3)
> +#define VC4_HDMI_TX_PHY_RESET_CTL_TX_2_RESET BIT(2)
> +#define VC4_HDMI_TX_PHY_RESET_CTL_TX_1_RESET BIT(1)
> +#define VC4_HDMI_TX_PHY_RESET_CTL_TX_0_RESET BIT(0)
> +
> +#define VC4_HDMI_TX_PHY_POWERDOWN_CTL_RNDGEN_PWRDN BIT(4)
> +
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_PREEMP_SHIFT 29
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_PREEMP_MASK VC4_MASK(31, 29)
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_MAINDRV_SHIFT 24
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_MAINDRV_MASK VC4_MASK(28, 24)
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_PREEMP_SHIFT 21
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_PREEMP_MASK VC4_MASK(23, 21)
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_MAINDRV_SHIFT 16
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_MAINDRV_MASK VC4_MASK(20, 16)
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_PREEMP_SHIFT 13
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_PREEMP_MASK VC4_MASK(15, 13)
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_MAINDRV_SHIFT 8
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_MAINDRV_MASK VC4_MASK(12, 8)
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_PREEMP_SHIFT 5
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_PREEMP_MASK VC4_MASK(7, 5)
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_MAINDRV_SHIFT 0
> +#define VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_MAINDRV_MASK VC4_MASK(4, 0)
> +
> +#define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA2_SHIFT 15
> +#define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA2_MASK VC4_MASK(19, 15)
> +#define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA1_SHIFT 10
> +#define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA1_MASK VC4_MASK(14, 10)
> +#define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA0_SHIFT 5
> +#define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA0_MASK VC4_MASK(9, 5)
> +#define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_CK_SHIFT 0
> +#define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_CK_MASK VC4_MASK(4, 0)
> +
> +#define VC4_HDMI_TX_PHY_CTL_2_VCO_GAIN_SHIFT 16
> +#define VC4_HDMI_TX_PHY_CTL_2_VCO_GAIN_MASK VC4_MASK(19, 16)
> +#define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA2_SHIFT 12
> +#define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA2_MASK VC4_MASK(15, 12)
> +#define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA1_SHIFT 8
> +#define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA1_MASK VC4_MASK(11, 8)
> +#define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA0_SHIFT 4
> +#define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA0_MASK VC4_MASK(7, 4)
> +#define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELCK_SHIFT 0
> +#define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELCK_MASK VC4_MASK(3, 0)
> +
> +#define VC4_HDMI_TX_PHY_CTL_3_RP_SHIFT 17
> +#define VC4_HDMI_TX_PHY_CTL_3_RP_MASK VC4_MASK(19, 17)
> +#define VC4_HDMI_TX_PHY_CTL_3_RZ_SHIFT 12
> +#define VC4_HDMI_TX_PHY_CTL_3_RZ_MASK VC4_MASK(16, 12)
> +#define VC4_HDMI_TX_PHY_CTL_3_CP1_SHIFT 10
> +#define VC4_HDMI_TX_PHY_CTL_3_CP1_MASK VC4_MASK(11, 10)
> +#define VC4_HDMI_TX_PHY_CTL_3_CP_SHIFT 8
> +#define VC4_HDMI_TX_PHY_CTL_3_CP_MASK VC4_MASK(9, 8)
> +#define VC4_HDMI_TX_PHY_CTL_3_CZ_SHIFT 6
> +#define VC4_HDMI_TX_PHY_CTL_3_CZ_MASK VC4_MASK(7, 6)
> +#define VC4_HDMI_TX_PHY_CTL_3_ICP_SHIFT 0
> +#define VC4_HDMI_TX_PHY_CTL_3_ICP_MASK VC4_MASK(5, 0)
> +
> +#define VC4_HDMI_TX_PHY_PLL_CTL_0_MASH11_MODE BIT(13)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_0_VC_RANGE_EN BIT(12)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_0_EMULATE_VC_LOW BIT(11)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_0_EMULATE_VC_HIGH BIT(10)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_SEL_SHIFT 9
> +#define VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_SEL_MASK VC4_MASK(9, 9)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_FB_DIV2 BIT(8)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_POST_DIV2 BIT(7)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_CONT_EN BIT(6)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_0_ENA_VCO_CLK BIT(5)
> +
> +#define VC4_HDMI_TX_PHY_PLL_CTL_1_CPP_SHIFT 16
> +#define VC4_HDMI_TX_PHY_PLL_CTL_1_CPP_MASK VC4_MASK(27, 16)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_1_FREQ_DOUBLER_DELAY_SHIFT 14
> +#define VC4_HDMI_TX_PHY_PLL_CTL_1_FREQ_DOUBLER_DELAY_MASK VC4_MASK(15, 14)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_1_FREQ_DOUBLER_ENABLE BIT(13)
> +#define VC4_HDMI_TX_PHY_PLL_CTL_1_POST_RST_SEL_SHIFT 11
> +#define VC4_HDMI_TX_PHY_PLL_CTL_1_POST_RST_SEL_MASK VC4_MASK(12, 11)
> +
> +#define VC4_HDMI_TX_PHY_CLK_DIV_VCO_SHIFT 8
> +#define VC4_HDMI_TX_PHY_CLK_DIV_VCO_MASK VC4_MASK(15, 8)
> +
> +#define VC4_HDMI_TX_PHY_PLL_CFG_PDIV_SHIFT 0
> +#define VC4_HDMI_TX_PHY_PLL_CFG_PDIV_MASK VC4_MASK(3, 0)
> +
> +#define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TXCK_OUT_SEL_MASK VC4_MASK(13, 12)
> +#define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TXCK_OUT_SEL_SHIFT 12
> +#define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX2_OUT_SEL_MASK VC4_MASK(9, 8)
> +#define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX2_OUT_SEL_SHIFT 8
> +#define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX1_OUT_SEL_MASK VC4_MASK(5, 4)
> +#define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX1_OUT_SEL_SHIFT 4
> +#define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX0_OUT_SEL_MASK VC4_MASK(1, 0)
> +#define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX0_OUT_SEL_SHIFT 0
> +
> +#define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1_MIN_LIMIT_MASK VC4_MASK(27, 0)
> +#define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1_MIN_LIMIT_SHIFT 0
> +
> +#define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2_MAX_LIMIT_MASK VC4_MASK(27, 0)
> +#define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2_MAX_LIMIT_SHIFT 0
> +
> +#define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_STABLE_THRESHOLD_MASK VC4_MASK(31, 16)
> +#define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_STABLE_THRESHOLD_SHIFT 16
> +#define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_HOLD_THRESHOLD_MASK VC4_MASK(15, 0)
> +#define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_HOLD_THRESHOLD_SHIFT 0
> +
> +#define VC4_HDMI_RM_CONTROL_EN_FREEZE_COUNTERS BIT(19)
> +#define VC4_HDMI_RM_CONTROL_EN_LOAD_INTEGRATOR BIT(17)
> +#define VC4_HDMI_RM_CONTROL_FREE_RUN BIT(4)
> +
> +#define VC4_HDMI_RM_OFFSET_ONLY BIT(31)
> +#define VC4_HDMI_RM_OFFSET_OFFSET_SHIFT 0
> +#define VC4_HDMI_RM_OFFSET_OFFSET_MASK VC4_MASK(30, 0)
> +
> +#define VC4_HDMI_RM_FORMAT_SHIFT_SHIFT 24
> +#define VC4_HDMI_RM_FORMAT_SHIFT_MASK VC4_MASK(25, 24)
> +
> +#define OSCILLATOR_FREQUENCY 54000000
> +
> void vc4_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi, struct drm_display_mode *mode)
> {
> /* PHY should be in reset, like
> @@ -38,3 +155,366 @@ void vc4_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi)
> HDMI_READ(HDMI_TX_PHY_CTL_0) |
> VC4_HDMI_TX_PHY_RNG_PWRDN);
> }
> +
> +static unsigned long long
> +phy_get_vco_freq(unsigned long long clock, u8 *vco_sel, u8 *vco_div)
> +{
> + unsigned long long vco_freq = clock;
> + unsigned int _vco_div = 0;
> + unsigned int _vco_sel = 0;
> +
> + while (vco_freq < 3000000000ULL) {
> + _vco_div++;
> + vco_freq = clock * _vco_div * 10;
> + }
> +
> + if (vco_freq > 4500000000ULL)
> + _vco_sel = 1;
> +
> + *vco_sel = _vco_sel;
> + *vco_div = _vco_div;
> +
> + return vco_freq;
> +}
> +
> +static u8 phy_get_cp_current(unsigned long vco_freq)
> +{
> + if (vco_freq < 3700000000ULL)
> + return 0x1c;
> +
> + return 0x18;
> +}
> +
> +static u32 phy_get_rm_offset(unsigned long long vco_freq)
> +{
> + unsigned long long fref = OSCILLATOR_FREQUENCY;
> + u64 offset = 0;
> +
> + /* RM offset is stored as 9.22 format */
> + offset = vco_freq * 2;
> + offset = offset << 22;
> + do_div(offset, fref);
> + offset >>= 2;
> +
> + return offset;
> +}
> +
> +static u8 phy_get_vco_gain(unsigned long long vco_freq)
> +{
> + if (vco_freq < 3350000000ULL)
> + return 0xf;
> +
> + if (vco_freq < 3700000000ULL)
> + return 0xc;
> +
> + if (vco_freq < 4050000000ULL)
> + return 0x6;
> +
> + if (vco_freq < 4800000000ULL)
> + return 0x5;
> +
> + if (vco_freq < 5200000000ULL)
> + return 0x7;
> +
> + return 0x2;
> +}
> +
> +struct phy_lane_settings {
> + struct {
> + u8 preemphasis;
> + u8 main_driver;
> + } amplitude;
> +
> + u8 res_sel_data;
> + u8 term_res_sel_data;
> +};
> +
> +struct phy_settings {
> + unsigned long long min_rate;
> + unsigned long long max_rate;
> + struct phy_lane_settings channel[3];
> + struct phy_lane_settings clock;
> +};
> +
> +static const struct phy_settings vc5_hdmi_phy_settings[] = {
> + {
> + 0, 50000000,
> + {
> + {{0x0, 0x0A}, 0x12, 0x0},
> + {{0x0, 0x0A}, 0x12, 0x0},
> + {{0x0, 0x0A}, 0x12, 0x0}
> + },
> + {{0x0, 0x0A}, 0x18, 0x0},
> + },
> + {
> + 50000001, 75000000,
> + {
> + {{0x0, 0x09}, 0x12, 0x0},
> + {{0x0, 0x09}, 0x12, 0x0},
> + {{0x0, 0x09}, 0x12, 0x0}
> + },
> + {{0x0, 0x0C}, 0x18, 0x3},
> + },
> + {
> + 75000001, 165000000,
> + {
> + {{0x0, 0x09}, 0x12, 0x0},
> + {{0x0, 0x09}, 0x12, 0x0},
> + {{0x0, 0x09}, 0x12, 0x0}
> + },
> + {{0x0, 0x0C}, 0x18, 0x3},
> + },
> + {
> + 165000001, 250000000,
> + {
> + {{0x0, 0x0F}, 0x12, 0x1},
> + {{0x0, 0x0F}, 0x12, 0x1},
> + {{0x0, 0x0F}, 0x12, 0x1}
> + },
> + {{0x0, 0x0C}, 0x18, 0x3},
> + },
> + {
> + 250000001, 340000000,
> + {
> + {{0x2, 0x0D}, 0x12, 0x1},
> + {{0x2, 0x0D}, 0x12, 0x1},
> + {{0x2, 0x0D}, 0x12, 0x1}
> + },
> + {{0x0, 0x0C}, 0x18, 0xF},
> + },
> + {
> + 340000001, 450000000,
> + {
> + {{0x0, 0x1B}, 0x12, 0xF},
> + {{0x0, 0x1B}, 0x12, 0xF},
> + {{0x0, 0x1B}, 0x12, 0xF}
> + },
> + {{0x0, 0x0A}, 0x12, 0xF},
> + },
> + {
> + 450000001, 600000000,
> + {
> + {{0x0, 0x1C}, 0x12, 0xF},
> + {{0x0, 0x1C}, 0x12, 0xF},
> + {{0x0, 0x1C}, 0x12, 0xF}
> + },
> + {{0x0, 0x0B}, 0x13, 0xF},
> + },
> +};
> +
> +static const struct phy_settings *phy_get_settings(unsigned long long tmds_rate)
> +{
> + unsigned int count = ARRAY_SIZE(vc5_hdmi_phy_settings);
> + unsigned int i;
> +
> + for (i = 0; i < count; i++) {
> + const struct phy_settings *s = &vc5_hdmi_phy_settings[i];
> +
> + if (tmds_rate >= s->min_rate && tmds_rate <= s->max_rate)
> + return s;
> + }
> +
> + /*
> + * If the pixel clock exceeds our max setting, try the max
> + * setting anyway.
> + */
> + return &vc5_hdmi_phy_settings[count - 1];
> +}
> +
> +static const struct phy_lane_settings *
> +phy_get_channel_settings(enum vc4_hdmi_phy_channel chan,
> + unsigned long long tmds_rate)
> +{
> + const struct phy_settings *settings = phy_get_settings(tmds_rate);
> +
> + if (chan == PHY_LANE_CK)
> + return &settings->clock;
> +
> + return &settings->channel[chan];
> +}
> +
> +static void vc5_hdmi_reset_phy(struct vc4_hdmi *vc4_hdmi)
> +{
> + HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, 0x0f);
> + HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL, BIT(10));
> +}
> +
> +void vc5_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi, struct drm_display_mode *mode)
> +{
> + const struct phy_lane_settings *chan0_settings, *chan1_settings, *chan2_settings, *clock_settings;
> + const struct vc4_hdmi_variant *variant = vc4_hdmi->variant;
> + unsigned long long pixel_freq = mode->clock * 1000;
> + unsigned long long vco_freq;
> + unsigned char word_sel;
> + u8 vco_sel, vco_div;
> +
> + vco_freq = phy_get_vco_freq(pixel_freq, &vco_sel, &vco_div);
> +
> + vc5_hdmi_reset_phy(vc4_hdmi);
> +
> + HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL,
> + VC4_HDMI_TX_PHY_POWERDOWN_CTL_RNDGEN_PWRDN);
> +
> + HDMI_WRITE(HDMI_TX_PHY_RESET_CTL,
> + HDMI_READ(HDMI_TX_PHY_RESET_CTL) &
> + ~VC4_HDMI_TX_PHY_RESET_CTL_TX_0_RESET &
> + ~VC4_HDMI_TX_PHY_RESET_CTL_TX_1_RESET &
> + ~VC4_HDMI_TX_PHY_RESET_CTL_TX_2_RESET &
> + ~VC4_HDMI_TX_PHY_RESET_CTL_TX_CK_RESET);
> +
> + HDMI_WRITE(HDMI_RM_CONTROL,
> + HDMI_READ(HDMI_RM_CONTROL) |
> + VC4_HDMI_RM_CONTROL_EN_FREEZE_COUNTERS |
> + VC4_HDMI_RM_CONTROL_EN_LOAD_INTEGRATOR |
> + VC4_HDMI_RM_CONTROL_FREE_RUN);
> +
> + HDMI_WRITE(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1,
> + (HDMI_READ(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1) &
> + ~VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1_MIN_LIMIT_MASK) |
> + VC4_SET_FIELD(0, VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1_MIN_LIMIT));
> +
> + HDMI_WRITE(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2,
> + (HDMI_READ(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2) &
> + ~VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2_MAX_LIMIT_MASK) |
> + VC4_SET_FIELD(0, VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2_MAX_LIMIT));
> +
> + HDMI_WRITE(HDMI_RM_OFFSET,
> + VC4_SET_FIELD(phy_get_rm_offset(vco_freq),
> + VC4_HDMI_RM_OFFSET_OFFSET) |
> + VC4_HDMI_RM_OFFSET_ONLY);
> +
> + HDMI_WRITE(HDMI_TX_PHY_CLK_DIV,
> + VC4_SET_FIELD(vco_div, VC4_HDMI_TX_PHY_CLK_DIV_VCO));
> +
> + HDMI_WRITE(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4,
> + VC4_SET_FIELD(0xe147, VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_HOLD_THRESHOLD) |
> + VC4_SET_FIELD(0xe14, VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_STABLE_THRESHOLD));
> +
> + HDMI_WRITE(HDMI_TX_PHY_PLL_CTL_0,
> + VC4_HDMI_TX_PHY_PLL_CTL_0_ENA_VCO_CLK |
> + VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_CONT_EN |
> + VC4_HDMI_TX_PHY_PLL_CTL_0_MASH11_MODE |
> + VC4_SET_FIELD(vco_sel, VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_SEL));
> +
> + HDMI_WRITE(HDMI_TX_PHY_PLL_CTL_1,
> + HDMI_READ(HDMI_TX_PHY_PLL_CTL_1) |
> + VC4_HDMI_TX_PHY_PLL_CTL_1_FREQ_DOUBLER_ENABLE |
> + VC4_SET_FIELD(3, VC4_HDMI_TX_PHY_PLL_CTL_1_POST_RST_SEL) |
> + VC4_SET_FIELD(1, VC4_HDMI_TX_PHY_PLL_CTL_1_FREQ_DOUBLER_DELAY) |
> + VC4_SET_FIELD(0x8a, VC4_HDMI_TX_PHY_PLL_CTL_1_CPP));
> +
> + HDMI_WRITE(HDMI_RM_FORMAT,
> + HDMI_READ(HDMI_RM_FORMAT) |
> + VC4_SET_FIELD(2, VC4_HDMI_RM_FORMAT_SHIFT));
> +
> + HDMI_WRITE(HDMI_TX_PHY_PLL_CFG,
> + HDMI_READ(HDMI_TX_PHY_PLL_CFG) |
> + VC4_SET_FIELD(1, VC4_HDMI_TX_PHY_PLL_CFG_PDIV));
> +
> + if (pixel_freq >= 340000000)
> + word_sel = 3;
> + else
> + word_sel = 0;
> + HDMI_WRITE(HDMI_TX_PHY_TMDS_CLK_WORD_SEL, word_sel);
> +
> + HDMI_WRITE(HDMI_TX_PHY_CTL_3,
> + VC4_SET_FIELD(phy_get_cp_current(vco_freq),
> + VC4_HDMI_TX_PHY_CTL_3_ICP) |
> + VC4_SET_FIELD(1, VC4_HDMI_TX_PHY_CTL_3_CP) |
> + VC4_SET_FIELD(1, VC4_HDMI_TX_PHY_CTL_3_CP1) |
> + VC4_SET_FIELD(3, VC4_HDMI_TX_PHY_CTL_3_CZ) |
> + VC4_SET_FIELD(4, VC4_HDMI_TX_PHY_CTL_3_RP) |
> + VC4_SET_FIELD(6, VC4_HDMI_TX_PHY_CTL_3_RZ));
> +
> + chan0_settings =
> + phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_0],
> + pixel_freq);
> + chan1_settings =
> + phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_1],
> + pixel_freq);
> + chan2_settings =
> + phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_2],
> + pixel_freq);
> + clock_settings =
> + phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_CK],
> + pixel_freq);
> +
> + HDMI_WRITE(HDMI_TX_PHY_CTL_0,
> + VC4_SET_FIELD(chan0_settings->amplitude.preemphasis,
> + VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_PREEMP) |
> + VC4_SET_FIELD(chan0_settings->amplitude.main_driver,
> + VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_MAINDRV) |
> + VC4_SET_FIELD(chan1_settings->amplitude.preemphasis,
> + VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_PREEMP) |
> + VC4_SET_FIELD(chan1_settings->amplitude.main_driver,
> + VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_MAINDRV) |
> + VC4_SET_FIELD(chan2_settings->amplitude.preemphasis,
> + VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_PREEMP) |
> + VC4_SET_FIELD(chan2_settings->amplitude.main_driver,
> + VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_MAINDRV) |
> + VC4_SET_FIELD(clock_settings->amplitude.preemphasis,
> + VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_PREEMP) |
> + VC4_SET_FIELD(clock_settings->amplitude.main_driver,
> + VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_MAINDRV));
> +
> + HDMI_WRITE(HDMI_TX_PHY_CTL_1,
> + HDMI_READ(HDMI_TX_PHY_CTL_1) |
> + VC4_SET_FIELD(chan0_settings->res_sel_data,
> + VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA0) |
> + VC4_SET_FIELD(chan1_settings->res_sel_data,
> + VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA1) |
> + VC4_SET_FIELD(chan2_settings->res_sel_data,
> + VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA2) |
> + VC4_SET_FIELD(clock_settings->res_sel_data,
> + VC4_HDMI_TX_PHY_CTL_1_RES_SEL_CK));
> +
> + HDMI_WRITE(HDMI_TX_PHY_CTL_2,
> + VC4_SET_FIELD(chan0_settings->term_res_sel_data,
> + VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA0) |
> + VC4_SET_FIELD(chan1_settings->term_res_sel_data,
> + VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA1) |
> + VC4_SET_FIELD(chan2_settings->term_res_sel_data,
> + VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA2) |
> + VC4_SET_FIELD(clock_settings->term_res_sel_data,
> + VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELCK) |
> + VC4_SET_FIELD(phy_get_vco_gain(vco_freq),
> + VC4_HDMI_TX_PHY_CTL_2_VCO_GAIN));
> +
> + HDMI_WRITE(HDMI_TX_PHY_CHANNEL_SWAP,
> + VC4_SET_FIELD(variant->phy_lane_mapping[PHY_LANE_0],
> + VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX0_OUT_SEL) |
> + VC4_SET_FIELD(variant->phy_lane_mapping[PHY_LANE_1],
> + VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX1_OUT_SEL) |
> + VC4_SET_FIELD(variant->phy_lane_mapping[PHY_LANE_2],
> + VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX2_OUT_SEL) |
> + VC4_SET_FIELD(variant->phy_lane_mapping[PHY_LANE_CK],
> + VC4_HDMI_TX_PHY_CHANNEL_SWAP_TXCK_OUT_SEL));
> +
> + HDMI_WRITE(HDMI_TX_PHY_RESET_CTL,
> + HDMI_READ(HDMI_TX_PHY_RESET_CTL) &
> + ~(VC4_HDMI_TX_PHY_RESET_CTL_PLL_RESETB |
> + VC4_HDMI_TX_PHY_RESET_CTL_PLLDIV_RESETB));
> +
> + HDMI_WRITE(HDMI_TX_PHY_RESET_CTL,
> + HDMI_READ(HDMI_TX_PHY_RESET_CTL) |
> + VC4_HDMI_TX_PHY_RESET_CTL_PLL_RESETB |
> + VC4_HDMI_TX_PHY_RESET_CTL_PLLDIV_RESETB);
> +}
> +
> +void vc5_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi) {
> + vc5_hdmi_reset_phy(vc4_hdmi);
> +}
> +
> +void vc5_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi)
> +{
> + HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL,
> + HDMI_READ(HDMI_TX_PHY_POWERDOWN_CTL) &
> + ~VC4_HDMI_TX_PHY_POWERDOWN_CTL_RNDGEN_PWRDN);
> +}
> +
> +void vc5_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi)
> +{
> + HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL,
> + HDMI_READ(HDMI_TX_PHY_POWERDOWN_CTL) |
> + VC4_HDMI_TX_PHY_POWERDOWN_CTL_RNDGEN_PWRDN);
> +}
> diff --git a/drivers/gpu/drm/vc4/vc4_hdmi_regs.h b/drivers/gpu/drm/vc4/vc4_hdmi_regs.h
> index bc47cc9bc883..a5f1354e3e06 100644
> --- a/drivers/gpu/drm/vc4/vc4_hdmi_regs.h
> +++ b/drivers/gpu/drm/vc4/vc4_hdmi_regs.h
> @@ -9,6 +9,12 @@ enum vc4_hdmi_regs {
> VC4_INVALID = 0,
> VC4_HDMI,
> VC4_HD,
> + VC5_CEC,
> + VC5_CSC,
> + VC5_DVP,
> + VC5_PHY,
> + VC5_RAM,
> + VC5_RM,
> };
>
> enum vc4_hdmi_field {
> @@ -36,6 +42,7 @@ enum vc4_hdmi_field {
> HDMI_CEC_TX_DATA_2,
> HDMI_CEC_TX_DATA_3,
> HDMI_CEC_TX_DATA_4,
> + HDMI_CLOCK_STOP,
> HDMI_CORE_REV,
> HDMI_CRP_CFG,
> HDMI_CSC_12_11,
> @@ -52,6 +59,7 @@ enum vc4_hdmi_field {
> */
> HDMI_CTS_0,
> HDMI_CTS_1,
> + HDMI_DVP_CTL,
> HDMI_FIFO_CTL,
> HDMI_FRAME_COUNT,
> HDMI_HORZA,
> @@ -84,10 +92,27 @@ enum vc4_hdmi_field {
> HDMI_RAM_PACKET_CONFIG,
> HDMI_RAM_PACKET_START,
> HDMI_RAM_PACKET_STATUS,
> + HDMI_RM_CONTROL,
> + HDMI_RM_FORMAT,
> + HDMI_RM_OFFSET,
> HDMI_SCHEDULER_CONTROL,
> HDMI_SW_RESET_CONTROL,
> + HDMI_TX_PHY_CHANNEL_SWAP,
> + HDMI_TX_PHY_CLK_DIV,
> HDMI_TX_PHY_CTL_0,
> + HDMI_TX_PHY_CTL_1,
> + HDMI_TX_PHY_CTL_2,
> + HDMI_TX_PHY_CTL_3,
> + HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1,
> + HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2,
> + HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4,
> + HDMI_TX_PHY_PLL_CFG,
> + HDMI_TX_PHY_PLL_CTL_0,
> + HDMI_TX_PHY_PLL_CTL_1,
> + HDMI_TX_PHY_POWERDOWN_CTL,
> HDMI_TX_PHY_RESET_CTL,
> + HDMI_TX_PHY_TMDS_CLK_WORD_SEL,
> + HDMI_VEC_INTERFACE_XBAR,
> HDMI_VERTA0,
> HDMI_VERTA1,
> HDMI_VERTB0,
> @@ -110,6 +135,12 @@ struct vc4_hdmi_register {
>
> #define VC4_HD_REG(reg, offset) _VC4_REG(VC4_HD, reg, offset)
> #define VC4_HDMI_REG(reg, offset) _VC4_REG(VC4_HDMI, reg, offset)
> +#define VC5_CEC_REG(reg, offset) _VC4_REG(VC5_CEC, reg, offset)
> +#define VC5_CSC_REG(reg, offset) _VC4_REG(VC5_CSC, reg, offset)
> +#define VC5_DVP_REG(reg, offset) _VC4_REG(VC5_DVP, reg, offset)
> +#define VC5_PHY_REG(reg, offset) _VC4_REG(VC5_PHY, reg, offset)
> +#define VC5_RAM_REG(reg, offset) _VC4_REG(VC5_RAM, reg, offset)
> +#define VC5_RM_REG(reg, offset) _VC4_REG(VC5_RM, reg, offset)
>
> static const struct vc4_hdmi_register vc4_hdmi_fields[] = {
> VC4_HD_REG(HDMI_M_CTL, 0x000c),
> @@ -172,6 +203,158 @@ static const struct vc4_hdmi_register vc4_hdmi_fields[] = {
> VC4_HDMI_REG(HDMI_RAM_PACKET_START, 0x0400),
> };
>
> +static const struct vc4_hdmi_register vc5_hdmi_hdmi0_fields[] = {
> + VC4_HD_REG(HDMI_DVP_CTL, 0x0000),
> + VC4_HD_REG(HDMI_MAI_CTL, 0x0010),
> + VC4_HD_REG(HDMI_MAI_THR, 0x0014),
> + VC4_HD_REG(HDMI_MAI_FMT, 0x0018),
> + VC4_HD_REG(HDMI_MAI_DATA, 0x001c),
> + VC4_HD_REG(HDMI_MAI_SMP, 0x0020),
> + VC4_HD_REG(HDMI_VID_CTL, 0x0044),
> + VC4_HD_REG(HDMI_FRAME_COUNT, 0x0060),
> +
> + VC4_HDMI_REG(HDMI_FIFO_CTL, 0x074),
> + VC4_HDMI_REG(HDMI_AUDIO_PACKET_CONFIG, 0x0b8),
> + VC4_HDMI_REG(HDMI_RAM_PACKET_CONFIG, 0x0bc),
> + VC4_HDMI_REG(HDMI_RAM_PACKET_STATUS, 0x0c4),
> + VC4_HDMI_REG(HDMI_CRP_CFG, 0x0c8),
> + VC4_HDMI_REG(HDMI_CTS_0, 0x0cc),
> + VC4_HDMI_REG(HDMI_CTS_1, 0x0d0),
> + VC4_HDMI_REG(HDMI_SCHEDULER_CONTROL, 0x0e0),
> + VC4_HDMI_REG(HDMI_HORZA, 0x0e4),
> + VC4_HDMI_REG(HDMI_HORZB, 0x0e8),
> + VC4_HDMI_REG(HDMI_VERTA0, 0x0ec),
> + VC4_HDMI_REG(HDMI_VERTB0, 0x0f0),
> + VC4_HDMI_REG(HDMI_VERTA1, 0x0f4),
> + VC4_HDMI_REG(HDMI_VERTB1, 0x0f8),
> + VC4_HDMI_REG(HDMI_MAI_CHANNEL_MAP, 0x09c),
> + VC4_HDMI_REG(HDMI_MAI_CONFIG, 0x0a0),
> + VC4_HDMI_REG(HDMI_HOTPLUG, 0x1a8),
> +
> + VC5_DVP_REG(HDMI_CLOCK_STOP, 0x0bc),
> + VC5_DVP_REG(HDMI_VEC_INTERFACE_XBAR, 0x0f0),
> +
> + VC5_PHY_REG(HDMI_TX_PHY_RESET_CTL, 0x000),
> + VC5_PHY_REG(HDMI_TX_PHY_POWERDOWN_CTL, 0x004),
> + VC5_PHY_REG(HDMI_TX_PHY_CTL_0, 0x008),
> + VC5_PHY_REG(HDMI_TX_PHY_CTL_1, 0x00c),
> + VC5_PHY_REG(HDMI_TX_PHY_CTL_2, 0x010),
> + VC5_PHY_REG(HDMI_TX_PHY_CTL_3, 0x014),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CTL_0, 0x01c),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CTL_1, 0x020),
> + VC5_PHY_REG(HDMI_TX_PHY_CLK_DIV, 0x028),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CFG, 0x034),
> + VC5_PHY_REG(HDMI_TX_PHY_TMDS_CLK_WORD_SEL, 0x044),
> + VC5_PHY_REG(HDMI_TX_PHY_CHANNEL_SWAP, 0x04c),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1, 0x050),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2, 0x054),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4, 0x05c),
> +
> + VC5_RM_REG(HDMI_RM_CONTROL, 0x000),
> + VC5_RM_REG(HDMI_RM_OFFSET, 0x018),
> + VC5_RM_REG(HDMI_RM_FORMAT, 0x01c),
> +
> + VC5_RAM_REG(HDMI_RAM_PACKET_START, 0x000),
> +
> + VC5_CEC_REG(HDMI_CEC_CNTRL_1, 0x010),
> + VC5_CEC_REG(HDMI_CEC_CNTRL_2, 0x014),
> + VC5_CEC_REG(HDMI_CEC_CNTRL_3, 0x018),
> + VC5_CEC_REG(HDMI_CEC_CNTRL_4, 0x01c),
> + VC5_CEC_REG(HDMI_CEC_CNTRL_5, 0x020),
> + VC5_CEC_REG(HDMI_CEC_TX_DATA_1, 0x028),
> + VC5_CEC_REG(HDMI_CEC_TX_DATA_2, 0x02c),
> + VC5_CEC_REG(HDMI_CEC_TX_DATA_3, 0x030),
> + VC5_CEC_REG(HDMI_CEC_TX_DATA_4, 0x034),
> + VC5_CEC_REG(HDMI_CEC_RX_DATA_1, 0x038),
> + VC5_CEC_REG(HDMI_CEC_RX_DATA_2, 0x03c),
> + VC5_CEC_REG(HDMI_CEC_RX_DATA_3, 0x040),
> + VC5_CEC_REG(HDMI_CEC_RX_DATA_4, 0x044),
> +
> + VC5_CSC_REG(HDMI_CSC_CTL, 0x000),
> + VC5_CSC_REG(HDMI_CSC_12_11, 0x004),
> + VC5_CSC_REG(HDMI_CSC_14_13, 0x008),
> + VC5_CSC_REG(HDMI_CSC_22_21, 0x00c),
> + VC5_CSC_REG(HDMI_CSC_24_23, 0x010),
> + VC5_CSC_REG(HDMI_CSC_32_31, 0x014),
> + VC5_CSC_REG(HDMI_CSC_34_33, 0x018),
> +};
> +
> +static const struct vc4_hdmi_register vc5_hdmi_hdmi1_fields[] = {
> + VC4_HD_REG(HDMI_DVP_CTL, 0x0000),
> + VC4_HD_REG(HDMI_MAI_CTL, 0x0030),
> + VC4_HD_REG(HDMI_MAI_THR, 0x0034),
> + VC4_HD_REG(HDMI_MAI_FMT, 0x0038),
> + VC4_HD_REG(HDMI_MAI_DATA, 0x003c),
> + VC4_HD_REG(HDMI_MAI_SMP, 0x0040),
> + VC4_HD_REG(HDMI_VID_CTL, 0x0048),
> + VC4_HD_REG(HDMI_FRAME_COUNT, 0x0064),
> +
> + VC4_HDMI_REG(HDMI_FIFO_CTL, 0x074),
> + VC4_HDMI_REG(HDMI_AUDIO_PACKET_CONFIG, 0x0b8),
> + VC4_HDMI_REG(HDMI_RAM_PACKET_CONFIG, 0x0bc),
> + VC4_HDMI_REG(HDMI_RAM_PACKET_STATUS, 0x0c4),
> + VC4_HDMI_REG(HDMI_CRP_CFG, 0x0c8),
> + VC4_HDMI_REG(HDMI_CTS_0, 0x0cc),
> + VC4_HDMI_REG(HDMI_CTS_1, 0x0d0),
> + VC4_HDMI_REG(HDMI_SCHEDULER_CONTROL, 0x0e0),
> + VC4_HDMI_REG(HDMI_HORZA, 0x0e4),
> + VC4_HDMI_REG(HDMI_HORZB, 0x0e8),
> + VC4_HDMI_REG(HDMI_VERTA0, 0x0ec),
> + VC4_HDMI_REG(HDMI_VERTB0, 0x0f0),
> + VC4_HDMI_REG(HDMI_VERTA1, 0x0f4),
> + VC4_HDMI_REG(HDMI_VERTB1, 0x0f8),
> + VC4_HDMI_REG(HDMI_MAI_CHANNEL_MAP, 0x09c),
> + VC4_HDMI_REG(HDMI_MAI_CONFIG, 0x0a0),
> + VC4_HDMI_REG(HDMI_HOTPLUG, 0x1a8),
> +
> + VC5_DVP_REG(HDMI_CLOCK_STOP, 0x0bc),
> + VC5_DVP_REG(HDMI_VEC_INTERFACE_XBAR, 0x0f0),
> +
> + VC5_PHY_REG(HDMI_TX_PHY_RESET_CTL, 0x000),
> + VC5_PHY_REG(HDMI_TX_PHY_POWERDOWN_CTL, 0x004),
> + VC5_PHY_REG(HDMI_TX_PHY_CTL_0, 0x008),
> + VC5_PHY_REG(HDMI_TX_PHY_CTL_1, 0x00c),
> + VC5_PHY_REG(HDMI_TX_PHY_CTL_2, 0x010),
> + VC5_PHY_REG(HDMI_TX_PHY_CTL_3, 0x014),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CTL_0, 0x01c),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CTL_1, 0x020),
> + VC5_PHY_REG(HDMI_TX_PHY_CLK_DIV, 0x028),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CFG, 0x034),
> + VC5_PHY_REG(HDMI_TX_PHY_CHANNEL_SWAP, 0x04c),
> + VC5_PHY_REG(HDMI_TX_PHY_TMDS_CLK_WORD_SEL, 0x044),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1, 0x050),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2, 0x054),
> + VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4, 0x05c),
> +
> + VC5_RM_REG(HDMI_RM_CONTROL, 0x000),
> + VC5_RM_REG(HDMI_RM_OFFSET, 0x018),
> + VC5_RM_REG(HDMI_RM_FORMAT, 0x01c),
> +
> + VC5_RAM_REG(HDMI_RAM_PACKET_START, 0x000),
> +
> + VC5_CEC_REG(HDMI_CEC_CNTRL_1, 0x010),
> + VC5_CEC_REG(HDMI_CEC_CNTRL_2, 0x014),
> + VC5_CEC_REG(HDMI_CEC_CNTRL_3, 0x018),
> + VC5_CEC_REG(HDMI_CEC_CNTRL_4, 0x01c),
> + VC5_CEC_REG(HDMI_CEC_CNTRL_5, 0x020),
> + VC5_CEC_REG(HDMI_CEC_TX_DATA_1, 0x028),
> + VC5_CEC_REG(HDMI_CEC_TX_DATA_2, 0x02c),
> + VC5_CEC_REG(HDMI_CEC_TX_DATA_3, 0x030),
> + VC5_CEC_REG(HDMI_CEC_TX_DATA_4, 0x034),
> + VC5_CEC_REG(HDMI_CEC_RX_DATA_1, 0x038),
> + VC5_CEC_REG(HDMI_CEC_RX_DATA_2, 0x03c),
> + VC5_CEC_REG(HDMI_CEC_RX_DATA_3, 0x040),
> + VC5_CEC_REG(HDMI_CEC_RX_DATA_4, 0x044),
> +
> + VC5_CSC_REG(HDMI_CSC_CTL, 0x000),
> + VC5_CSC_REG(HDMI_CSC_12_11, 0x004),
> + VC5_CSC_REG(HDMI_CSC_14_13, 0x008),
> + VC5_CSC_REG(HDMI_CSC_22_21, 0x00c),
> + VC5_CSC_REG(HDMI_CSC_24_23, 0x010),
> + VC5_CSC_REG(HDMI_CSC_32_31, 0x014),
> + VC5_CSC_REG(HDMI_CSC_34_33, 0x018),
> +};
> +
> static inline
> void __iomem *__vc4_hdmi_get_field_base(struct vc4_hdmi *hdmi,
> enum vc4_hdmi_regs reg)
> @@ -183,6 +366,24 @@ void __iomem *__vc4_hdmi_get_field_base(struct vc4_hdmi *hdmi,
> case VC4_HDMI:
> return hdmi->hdmicore_regs;
>
> + case VC5_CSC:
> + return hdmi->csc_regs;
> +
> + case VC5_CEC:
> + return hdmi->cec_regs;
> +
> + case VC5_DVP:
> + return hdmi->dvp_regs;
> +
> + case VC5_PHY:
> + return hdmi->phy_regs;
> +
> + case VC5_RAM:
> + return hdmi->ram_regs;
> +
> + case VC5_RM:
> + return hdmi->rm_regs;
> +
> default:
> return NULL;
> }
> diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h
> index 30af52b406f1..be2c32a519b3 100644
> --- a/drivers/gpu/drm/vc4/vc4_regs.h
> +++ b/drivers/gpu/drm/vc4/vc4_regs.h
> @@ -744,6 +744,8 @@
> # define VC4_HD_CSC_CTL_RGB2YCC BIT(1)
> # define VC4_HD_CSC_CTL_ENABLE BIT(0)
>
> +# define VC4_DVP_HT_CLOCK_STOP_PIXEL BIT(1)
> +
> /* HVS display list information. */
> #define HVS_BOOTLOADER_DLIST_END 32
>
> --
> git-series 0.9.1
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