diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 1528 |
1 files changed, 1340 insertions, 188 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 0d0273e7b02..eee2bbec295 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -29,170 +29,843 @@ #include <linux/i2c.h> #include <linux/slab.h> #include <linux/delay.h> -#include "drmP.h" -#include "drm.h" -#include "drm_crtc.h" -#include "drm_edid.h" +#include <linux/hdmi.h> +#include <drm/drmP.h> +#include <drm/drm_crtc.h> +#include <drm/drm_edid.h> #include "intel_drv.h" -#include "i915_drm.h" +#include <drm/i915_drm.h> #include "i915_drv.h" -struct intel_hdmi { - struct intel_encoder base; - u32 sdvox_reg; - int ddc_bus; - bool has_hdmi_sink; - bool has_audio; - int force_audio; - struct drm_property *force_audio_property; -}; +static struct drm_device *intel_hdmi_to_dev(struct intel_hdmi *intel_hdmi) +{ + return hdmi_to_dig_port(intel_hdmi)->base.base.dev; +} -static struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder) +static void +assert_hdmi_port_disabled(struct intel_hdmi *intel_hdmi) { - return container_of(encoder, struct intel_hdmi, base.base); + struct drm_device *dev = intel_hdmi_to_dev(intel_hdmi); + struct drm_i915_private *dev_priv = dev->dev_private; + uint32_t enabled_bits; + + enabled_bits = HAS_DDI(dev) ? DDI_BUF_CTL_ENABLE : SDVO_ENABLE; + + WARN(I915_READ(intel_hdmi->hdmi_reg) & enabled_bits, + "HDMI port enabled, expecting disabled\n"); +} + +struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder) +{ + struct intel_digital_port *intel_dig_port = + container_of(encoder, struct intel_digital_port, base.base); + return &intel_dig_port->hdmi; } static struct intel_hdmi *intel_attached_hdmi(struct drm_connector *connector) { - return container_of(intel_attached_encoder(connector), - struct intel_hdmi, base); + return enc_to_intel_hdmi(&intel_attached_encoder(connector)->base); } -void intel_dip_infoframe_csum(struct dip_infoframe *avi_if) +static u32 g4x_infoframe_index(enum hdmi_infoframe_type type) { - uint8_t *data = (uint8_t *)avi_if; - uint8_t sum = 0; - unsigned i; + switch (type) { + case HDMI_INFOFRAME_TYPE_AVI: + return VIDEO_DIP_SELECT_AVI; + case HDMI_INFOFRAME_TYPE_SPD: + return VIDEO_DIP_SELECT_SPD; + case HDMI_INFOFRAME_TYPE_VENDOR: + return VIDEO_DIP_SELECT_VENDOR; + default: + DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); + return 0; + } +} - avi_if->checksum = 0; - avi_if->ecc = 0; +static u32 g4x_infoframe_enable(enum hdmi_infoframe_type type) +{ + switch (type) { + case HDMI_INFOFRAME_TYPE_AVI: + return VIDEO_DIP_ENABLE_AVI; + case HDMI_INFOFRAME_TYPE_SPD: + return VIDEO_DIP_ENABLE_SPD; + case HDMI_INFOFRAME_TYPE_VENDOR: + return VIDEO_DIP_ENABLE_VENDOR; + default: + DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); + return 0; + } +} - for (i = 0; i < sizeof(*avi_if); i++) - sum += data[i]; +static u32 hsw_infoframe_enable(enum hdmi_infoframe_type type) +{ + switch (type) { + case HDMI_INFOFRAME_TYPE_AVI: + return VIDEO_DIP_ENABLE_AVI_HSW; + case HDMI_INFOFRAME_TYPE_SPD: + return VIDEO_DIP_ENABLE_SPD_HSW; + case HDMI_INFOFRAME_TYPE_VENDOR: + return VIDEO_DIP_ENABLE_VS_HSW; + default: + DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); + return 0; + } +} - avi_if->checksum = 0x100 - sum; +static u32 hsw_infoframe_data_reg(enum hdmi_infoframe_type type, + enum transcoder cpu_transcoder, + struct drm_i915_private *dev_priv) +{ + switch (type) { + case HDMI_INFOFRAME_TYPE_AVI: + return HSW_TVIDEO_DIP_AVI_DATA(cpu_transcoder); + case HDMI_INFOFRAME_TYPE_SPD: + return HSW_TVIDEO_DIP_SPD_DATA(cpu_transcoder); + case HDMI_INFOFRAME_TYPE_VENDOR: + return HSW_TVIDEO_DIP_VS_DATA(cpu_transcoder); + default: + DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); + return 0; + } } -static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder) +static void g4x_write_infoframe(struct drm_encoder *encoder, + enum hdmi_infoframe_type type, + const void *frame, ssize_t len) { - struct dip_infoframe avi_if = { - .type = DIP_TYPE_AVI, - .ver = DIP_VERSION_AVI, - .len = DIP_LEN_AVI, - }; - uint32_t *data = (uint32_t *)&avi_if; + const uint32_t *data = frame; struct drm_device *dev = encoder->dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); - u32 port; - unsigned i; + u32 val = I915_READ(VIDEO_DIP_CTL); + int i; - if (!intel_hdmi->has_hdmi_sink) - return; + WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); - /* XXX first guess at handling video port, is this corrent? */ - if (intel_hdmi->sdvox_reg == SDVOB) - port = VIDEO_DIP_PORT_B; - else if (intel_hdmi->sdvox_reg == SDVOC) - port = VIDEO_DIP_PORT_C; - else - return; + val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ + val |= g4x_infoframe_index(type); + + val &= ~g4x_infoframe_enable(type); - I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | port | - VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC); + I915_WRITE(VIDEO_DIP_CTL, val); - intel_dip_infoframe_csum(&avi_if); - for (i = 0; i < sizeof(avi_if); i += 4) { + mmiowb(); + for (i = 0; i < len; i += 4) { I915_WRITE(VIDEO_DIP_DATA, *data); data++; } + /* Write every possible data byte to force correct ECC calculation. */ + for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + I915_WRITE(VIDEO_DIP_DATA, 0); + mmiowb(); - I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | port | - VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC | - VIDEO_DIP_ENABLE_AVI); + val |= g4x_infoframe_enable(type); + val &= ~VIDEO_DIP_FREQ_MASK; + val |= VIDEO_DIP_FREQ_VSYNC; + + I915_WRITE(VIDEO_DIP_CTL, val); + POSTING_READ(VIDEO_DIP_CTL); } -static void intel_hdmi_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) +static void ibx_write_infoframe(struct drm_encoder *encoder, + enum hdmi_infoframe_type type, + const void *frame, ssize_t len) { + const uint32_t *data = frame; struct drm_device *dev = encoder->dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_crtc *crtc = encoder->crtc; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); - u32 sdvox; + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); + int i, reg = TVIDEO_DIP_CTL(intel_crtc->pipe); + u32 val = I915_READ(reg); - sdvox = SDVO_ENCODING_HDMI | SDVO_BORDER_ENABLE; - if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) - sdvox |= SDVO_VSYNC_ACTIVE_HIGH; - if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) - sdvox |= SDVO_HSYNC_ACTIVE_HIGH; + WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); - /* Required on CPT */ - if (intel_hdmi->has_hdmi_sink && HAS_PCH_CPT(dev)) - sdvox |= HDMI_MODE_SELECT; + val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ + val |= g4x_infoframe_index(type); - if (intel_hdmi->has_audio) { - sdvox |= SDVO_AUDIO_ENABLE; - sdvox |= SDVO_NULL_PACKETS_DURING_VSYNC; + val &= ~g4x_infoframe_enable(type); + + I915_WRITE(reg, val); + + mmiowb(); + for (i = 0; i < len; i += 4) { + I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); + data++; } + /* Write every possible data byte to force correct ECC calculation. */ + for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); + mmiowb(); - if (intel_crtc->pipe == 1) { - if (HAS_PCH_CPT(dev)) - sdvox |= PORT_TRANS_B_SEL_CPT; - else - sdvox |= SDVO_PIPE_B_SELECT; + val |= g4x_infoframe_enable(type); + val &= ~VIDEO_DIP_FREQ_MASK; + val |= VIDEO_DIP_FREQ_VSYNC; + + I915_WRITE(reg, val); + POSTING_READ(reg); +} + +static void cpt_write_infoframe(struct drm_encoder *encoder, + enum hdmi_infoframe_type type, + const void *frame, ssize_t len) +{ + const uint32_t *data = frame; + struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); + int i, reg = TVIDEO_DIP_CTL(intel_crtc->pipe); + u32 val = I915_READ(reg); + + WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); + + val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ + val |= g4x_infoframe_index(type); + + /* The DIP control register spec says that we need to update the AVI + * infoframe without clearing its enable bit */ + if (type != HDMI_INFOFRAME_TYPE_AVI) + val &= ~g4x_infoframe_enable(type); + + I915_WRITE(reg, val); + + mmiowb(); + for (i = 0; i < len; i += 4) { + I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); + data++; } + /* Write every possible data byte to force correct ECC calculation. */ + for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); + mmiowb(); - I915_WRITE(intel_hdmi->sdvox_reg, sdvox); - POSTING_READ(intel_hdmi->sdvox_reg); + val |= g4x_infoframe_enable(type); + val &= ~VIDEO_DIP_FREQ_MASK; + val |= VIDEO_DIP_FREQ_VSYNC; - intel_hdmi_set_avi_infoframe(encoder); + I915_WRITE(reg, val); + POSTING_READ(reg); } -static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode) +static void vlv_write_infoframe(struct drm_encoder *encoder, + enum hdmi_infoframe_type type, + const void *frame, ssize_t len) { + const uint32_t *data = frame; struct drm_device *dev = encoder->dev; struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); + int i, reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe); + u32 val = I915_READ(reg); + + WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); + + val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ + val |= g4x_infoframe_index(type); + + val &= ~g4x_infoframe_enable(type); + + I915_WRITE(reg, val); + + mmiowb(); + for (i = 0; i < len; i += 4) { + I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), *data); + data++; + } + /* Write every possible data byte to force correct ECC calculation. */ + for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), 0); + mmiowb(); + + val |= g4x_infoframe_enable(type); + val &= ~VIDEO_DIP_FREQ_MASK; + val |= VIDEO_DIP_FREQ_VSYNC; + + I915_WRITE(reg, val); + POSTING_READ(reg); +} + +static void hsw_write_infoframe(struct drm_encoder *encoder, + enum hdmi_infoframe_type type, + const void *frame, ssize_t len) +{ + const uint32_t *data = frame; + struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); + u32 ctl_reg = HSW_TVIDEO_DIP_CTL(intel_crtc->config.cpu_transcoder); + u32 data_reg; + int i; + u32 val = I915_READ(ctl_reg); + + data_reg = hsw_infoframe_data_reg(type, + intel_crtc->config.cpu_transcoder, + dev_priv); + if (data_reg == 0) + return; + + val &= ~hsw_infoframe_enable(type); + I915_WRITE(ctl_reg, val); + + mmiowb(); + for (i = 0; i < len; i += 4) { + I915_WRITE(data_reg + i, *data); + data++; + } + /* Write every possible data byte to force correct ECC calculation. */ + for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + I915_WRITE(data_reg + i, 0); + mmiowb(); + + val |= hsw_infoframe_enable(type); + I915_WRITE(ctl_reg, val); + POSTING_READ(ctl_reg); +} + +/* + * The data we write to the DIP data buffer registers is 1 byte bigger than the + * HDMI infoframe size because of an ECC/reserved byte at position 3 (starting + * at 0). It's also a byte used by DisplayPort so the same DIP registers can be + * used for both technologies. + * + * DW0: Reserved/ECC/DP | HB2 | HB1 | HB0 + * DW1: DB3 | DB2 | DB1 | DB0 + * DW2: DB7 | DB6 | DB5 | DB4 + * DW3: ... + * + * (HB is Header Byte, DB is Data Byte) + * + * The hdmi pack() functions don't know about that hardware specific hole so we + * trick them by giving an offset into the buffer and moving back the header + * bytes by one. + */ +static void intel_write_infoframe(struct drm_encoder *encoder, + union hdmi_infoframe *frame) +{ + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); + uint8_t buffer[VIDEO_DIP_DATA_SIZE]; + ssize_t len; + + /* see comment above for the reason for this offset */ + len = hdmi_infoframe_pack(frame, buffer + 1, sizeof(buffer) - 1); + if (len < 0) + return; + + /* Insert the 'hole' (see big comment above) at position 3 */ + buffer[0] = buffer[1]; + buffer[1] = buffer[2]; + buffer[2] = buffer[3]; + buffer[3] = 0; + len++; + + intel_hdmi->write_infoframe(encoder, frame->any.type, buffer, len); +} + +static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder, + struct drm_display_mode *adjusted_mode) +{ + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); + union hdmi_infoframe frame; + int ret; + + ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, + adjusted_mode); + if (ret < 0) { + DRM_ERROR("couldn't fill AVI infoframe\n"); + return; + } + + if (intel_hdmi->rgb_quant_range_selectable) { + if (intel_crtc->config.limited_color_range) + frame.avi.quantization_range = + HDMI_QUANTIZATION_RANGE_LIMITED; + else + frame.avi.quantization_range = + HDMI_QUANTIZATION_RANGE_FULL; + } + + intel_write_infoframe(encoder, &frame); +} + +static void intel_hdmi_set_spd_infoframe(struct drm_encoder *encoder) +{ + union hdmi_infoframe frame; + int ret; + + ret = hdmi_spd_infoframe_init(&frame.spd, "Intel", "Integrated gfx"); + if (ret < 0) { + DRM_ERROR("couldn't fill SPD infoframe\n"); + return; + } + + frame.spd.sdi = HDMI_SPD_SDI_PC; + + intel_write_infoframe(encoder, &frame); +} + +static void +intel_hdmi_set_hdmi_infoframe(struct drm_encoder *encoder, + struct drm_display_mode *adjusted_mode) +{ + union hdmi_infoframe frame; + int ret; + + ret = drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi, + adjusted_mode); + if (ret < 0) + return; + + intel_write_infoframe(encoder, &frame); +} + +static void g4x_set_infoframes(struct drm_encoder *encoder, + bool enable, + struct drm_display_mode *adjusted_mode) +{ + struct drm_i915_private *dev_priv = encoder->dev->dev_private; + struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); + struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; + u32 reg = VIDEO_DIP_CTL; + u32 val = I915_READ(reg); + u32 port = VIDEO_DIP_PORT(intel_dig_port->port); + + assert_hdmi_port_disabled(intel_hdmi); + + /* If the registers were not initialized yet, they might be zeroes, + * which means we're selecting the AVI DIP and we're setting its + * frequency to once. This seems to really confuse the HW and make + * things stop working (the register spec says the AVI always needs to + * be sent every VSync). So here we avoid writing to the register more + * than we need and also explicitly select the AVI DIP and explicitly + * set its frequency to every VSync. Avoiding to write it twice seems to + * be enough to solve the problem, but being defensive shouldn't hurt us + * either. */ + val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; + + if (!enable) { + if (!(val & VIDEO_DIP_ENABLE)) + return; + val &= ~VIDEO_DIP_ENABLE; + I915_WRITE(reg, val); + POSTING_READ(reg); + return; + } + + if (port != (val & VIDEO_DIP_PORT_MASK)) { + if (val & VIDEO_DIP_ENABLE) { + val &= ~VIDEO_DIP_ENABLE; + I915_WRITE(reg, val); + POSTING_READ(reg); + } + val &= ~VIDEO_DIP_PORT_MASK; + val |= port; + } + + val |= VIDEO_DIP_ENABLE; + val &= ~VIDEO_DIP_ENABLE_VENDOR; + + I915_WRITE(reg, val); + POSTING_READ(reg); + + intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); + intel_hdmi_set_spd_infoframe(encoder); + intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); +} + +static void ibx_set_infoframes(struct drm_encoder *encoder, + bool enable, + struct drm_display_mode *adjusted_mode) +{ + struct drm_i915_private *dev_priv = encoder->dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); + struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); + struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; + u32 reg = TVIDEO_DIP_CTL(intel_crtc->pipe); + u32 val = I915_READ(reg); + u32 port = VIDEO_DIP_PORT(intel_dig_port->port); + + assert_hdmi_port_disabled(intel_hdmi); + + /* See the big comment in g4x_set_infoframes() */ + val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; + + if (!enable) { + if (!(val & VIDEO_DIP_ENABLE)) + return; + val &= ~VIDEO_DIP_ENABLE; + I915_WRITE(reg, val); + POSTING_READ(reg); + return; + } + + if (port != (val & VIDEO_DIP_PORT_MASK)) { + if (val & VIDEO_DIP_ENABLE) { + val &= ~VIDEO_DIP_ENABLE; + I915_WRITE(reg, val); + POSTING_READ(reg); + } + val &= ~VIDEO_DIP_PORT_MASK; + val |= port; + } + + val |= VIDEO_DIP_ENABLE; + val &= ~(VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | + VIDEO_DIP_ENABLE_GCP); + + I915_WRITE(reg, val); + POSTING_READ(reg); + + intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); + intel_hdmi_set_spd_infoframe(encoder); + intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); +} + +static void cpt_set_infoframes(struct drm_encoder *encoder, + bool enable, + struct drm_display_mode *adjusted_mode) +{ + struct drm_i915_private *dev_priv = encoder->dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); + u32 reg = TVIDEO_DIP_CTL(intel_crtc->pipe); + u32 val = I915_READ(reg); + + assert_hdmi_port_disabled(intel_hdmi); + + /* See the big comment in g4x_set_infoframes() */ + val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; + + if (!enable) { + if (!(val & VIDEO_DIP_ENABLE)) + return; + val &= ~(VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI); + I915_WRITE(reg, val); + POSTING_READ(reg); + return; + } + + /* Set both together, unset both together: see the spec. */ + val |= VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI; + val &= ~(VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | + VIDEO_DIP_ENABLE_GCP); + + I915_WRITE(reg, val); + POSTING_READ(reg); + + intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); + intel_hdmi_set_spd_infoframe(encoder); + intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); +} + +static void vlv_set_infoframes(struct drm_encoder *encoder, + bool enable, + struct drm_display_mode *adjusted_mode) +{ + struct drm_i915_private *dev_priv = encoder->dev->dev_private; + struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); + u32 reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe); + u32 val = I915_READ(reg); + u32 port = VIDEO_DIP_PORT(intel_dig_port->port); + + assert_hdmi_port_disabled(intel_hdmi); + + /* See the big comment in g4x_set_infoframes() */ + val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; + + if (!enable) { + if (!(val & VIDEO_DIP_ENABLE)) + return; + val &= ~VIDEO_DIP_ENABLE; + I915_WRITE(reg, val); + POSTING_READ(reg); + return; + } + + if (port != (val & VIDEO_DIP_PORT_MASK)) { + if (val & VIDEO_DIP_ENABLE) { + val &= ~VIDEO_DIP_ENABLE; + I915_WRITE(reg, val); + POSTING_READ(reg); + } + val &= ~VIDEO_DIP_PORT_MASK; + val |= port; + } + + val |= VIDEO_DIP_ENABLE; + val &= ~(VIDEO_DIP_ENABLE_AVI | VIDEO_DIP_ENABLE_VENDOR | + VIDEO_DIP_ENABLE_GAMUT | VIDEO_DIP_ENABLE_GCP); + + I915_WRITE(reg, val); + POSTING_READ(reg); + + intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); + intel_hdmi_set_spd_infoframe(encoder); + intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); +} + +static void hsw_set_infoframes(struct drm_encoder *encoder, + bool enable, + struct drm_display_mode *adjusted_mode) +{ + struct drm_i915_private *dev_priv = encoder->dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); + u32 reg = HSW_TVIDEO_DIP_CTL(intel_crtc->config.cpu_transcoder); + u32 val = I915_READ(reg); + + assert_hdmi_port_disabled(intel_hdmi); + + if (!enable) { + I915_WRITE(reg, 0); + POSTING_READ(reg); + return; + } + + val &= ~(VIDEO_DIP_ENABLE_VSC_HSW | VIDEO_DIP_ENABLE_GCP_HSW | + VIDEO_DIP_ENABLE_VS_HSW | VIDEO_DIP_ENABLE_GMP_HSW); + + I915_WRITE(reg, val); + POSTING_READ(reg); + + intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); + intel_hdmi_set_spd_infoframe(encoder); + intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); +} + +static void intel_hdmi_prepare(struct intel_encoder *encoder) +{ + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); + struct drm_display_mode *adjusted_mode = &crtc->config.adjusted_mode; + u32 hdmi_val; + + hdmi_val = SDVO_ENCODING_HDMI; + if (!HAS_PCH_SPLIT(dev)) + hdmi_val |= intel_hdmi->color_range; + if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) + hdmi_val |= SDVO_VSYNC_ACTIVE_HIGH; + if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) + hdmi_val |= SDVO_HSYNC_ACTIVE_HIGH; + + if (crtc->config.pipe_bpp > 24) + hdmi_val |= HDMI_COLOR_FORMAT_12bpc; + else + hdmi_val |= SDVO_COLOR_FORMAT_8bpc; + + if (crtc->config.has_hdmi_sink) + hdmi_val |= HDMI_MODE_SELECT_HDMI; + + if (crtc->config.has_audio) { + WARN_ON(!crtc->config.has_hdmi_sink); + DRM_DEBUG_DRIVER("Enabling HDMI audio on pipe %c\n", + pipe_name(crtc->pipe)); + hdmi_val |= SDVO_AUDIO_ENABLE; + intel_write_eld(&encoder->base, adjusted_mode); + } + + if (HAS_PCH_CPT(dev)) + hdmi_val |= SDVO_PIPE_SEL_CPT(crtc->pipe); + else if (IS_CHERRYVIEW(dev)) + hdmi_val |= SDVO_PIPE_SEL_CHV(crtc->pipe); + else + hdmi_val |= SDVO_PIPE_SEL(crtc->pipe); + + I915_WRITE(intel_hdmi->hdmi_reg, hdmi_val); + POSTING_READ(intel_hdmi->hdmi_reg); +} + +static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder, + enum pipe *pipe) +{ + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); + enum intel_display_power_domain power_domain; + u32 tmp; + + power_domain = intel_display_port_power_domain(encoder); + if (!intel_display_power_enabled(dev_priv, power_domain)) + return false; + + tmp = I915_READ(intel_hdmi->hdmi_reg); + + if (!(tmp & SDVO_ENABLE)) + return false; + + if (HAS_PCH_CPT(dev)) + *pipe = PORT_TO_PIPE_CPT(tmp); + else if (IS_CHERRYVIEW(dev)) + *pipe = SDVO_PORT_TO_PIPE_CHV(tmp); + else + *pipe = PORT_TO_PIPE(tmp); + + return true; +} + +static void intel_hdmi_get_config(struct intel_encoder *encoder, + struct intel_crtc_config *pipe_config) +{ + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); + struct drm_i915_private *dev_priv = encoder->base.dev->dev_private; + u32 tmp, flags = 0; + int dotclock; + + tmp = I915_READ(intel_hdmi->hdmi_reg); + + if (tmp & SDVO_HSYNC_ACTIVE_HIGH) + flags |= DRM_MODE_FLAG_PHSYNC; + else + flags |= DRM_MODE_FLAG_NHSYNC; + + if (tmp & SDVO_VSYNC_ACTIVE_HIGH) + flags |= DRM_MODE_FLAG_PVSYNC; + else + flags |= DRM_MODE_FLAG_NVSYNC; + + if (tmp & HDMI_MODE_SELECT_HDMI) + pipe_config->has_hdmi_sink = true; + + if (tmp & HDMI_MODE_SELECT_HDMI) + pipe_config->has_audio = true; + + pipe_config->adjusted_mode.flags |= flags; + + if ((tmp & SDVO_COLOR_FORMAT_MASK) == HDMI_COLOR_FORMAT_12bpc) + dotclock = pipe_config->port_clock * 2 / 3; + else + dotclock = pipe_config->port_clock; + + if (HAS_PCH_SPLIT(dev_priv->dev)) + ironlake_check_encoder_dotclock(pipe_config, dotclock); + + pipe_config->adjusted_mode.crtc_clock = dotclock; +} + +static void intel_enable_hdmi(struct intel_encoder *encoder) +{ + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); u32 temp; + u32 enable_bits = SDVO_ENABLE; + + if (intel_crtc->config.has_audio) + enable_bits |= SDVO_AUDIO_ENABLE; + + temp = I915_READ(intel_hdmi->hdmi_reg); - temp = I915_READ(intel_hdmi->sdvox_reg); + /* HW workaround for IBX, we need to move the port to transcoder A + * before disabling it, so restore the transcoder select bit here. */ + if (HAS_PCH_IBX(dev)) + enable_bits |= SDVO_PIPE_SEL(intel_crtc->pipe); /* HW workaround, need to toggle enable bit off and on for 12bpc, but * we do this anyway which shows more stable in testing. */ if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(intel_hdmi->sdvox_reg, temp & ~SDVO_ENABLE); - POSTING_READ(intel_hdmi->sdvox_reg); + I915_WRITE(intel_hdmi->hdmi_reg, temp & ~SDVO_ENABLE); + POSTING_READ(intel_hdmi->hdmi_reg); } - if (mode != DRM_MODE_DPMS_ON) { - temp &= ~SDVO_ENABLE; - } else { - temp |= SDVO_ENABLE; + temp |= enable_bits; + + I915_WRITE(intel_hdmi->hdmi_reg, temp); + POSTING_READ(intel_hdmi->hdmi_reg); + + /* HW workaround, need to write this twice for issue that may result + * in first write getting masked. + */ + if (HAS_PCH_SPLIT(dev)) { + I915_WRITE(intel_hdmi->hdmi_reg, temp); + POSTING_READ(intel_hdmi->hdmi_reg); + } +} + +static void vlv_enable_hdmi(struct intel_encoder *encoder) +{ +} + +static void intel_disable_hdmi(struct intel_encoder *encoder) +{ + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); + u32 temp; + u32 enable_bits = SDVO_ENABLE | SDVO_AUDIO_ENABLE; + + temp = I915_READ(intel_hdmi->hdmi_reg); + + /* HW workaround for IBX, we need to move the port to transcoder A + * before disabling it. */ + if (HAS_PCH_IBX(dev)) { + struct drm_crtc *crtc = encoder->base.crtc; + int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1; + + if (temp & SDVO_PIPE_B_SELECT) { + temp &= ~SDVO_PIPE_B_SELECT; + I915_WRITE(intel_hdmi->hdmi_reg, temp); + POSTING_READ(intel_hdmi->hdmi_reg); + + /* Again we need to write this twice. */ + I915_WRITE(intel_hdmi->hdmi_reg, temp); + POSTING_READ(intel_hdmi->hdmi_reg); + + /* Transcoder selection bits only update + * effectively on vblank. */ + if (crtc) + intel_wait_for_vblank(dev, pipe); + else + msleep(50); + } } - I915_WRITE(intel_hdmi->sdvox_reg, temp); - POSTING_READ(intel_hdmi->sdvox_reg); + /* HW workaround, need to toggle enable bit off and on for 12bpc, but + * we do this anyway which shows more stable in testing. + */ + if (HAS_PCH_SPLIT(dev)) { + I915_WRITE(intel_hdmi->hdmi_reg, temp & ~SDVO_ENABLE); + POSTING_READ(intel_hdmi->hdmi_reg); + } + + temp &= ~enable_bits; + + I915_WRITE(intel_hdmi->hdmi_reg, temp); + POSTING_READ(intel_hdmi->hdmi_reg); /* HW workaround, need to write this twice for issue that may result * in first write getting masked. */ if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(intel_hdmi->sdvox_reg, temp); - POSTING_READ(intel_hdmi->sdvox_reg); + I915_WRITE(intel_hdmi->hdmi_reg, temp); + POSTING_READ(intel_hdmi->hdmi_reg); } } -static int intel_hdmi_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) +static int hdmi_portclock_limit(struct intel_hdmi *hdmi, bool respect_dvi_limit) { - if (mode->clock > 165000) + struct drm_device *dev = intel_hdmi_to_dev(hdmi); + + if ((respect_dvi_limit && !hdmi->has_hdmi_sink) || IS_G4X(dev)) + return 165000; + else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8) + return 300000; + else + return 225000; +} + +static enum drm_mode_status +intel_hdmi_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + if (mode->clock > hdmi_portclock_limit(intel_attached_hdmi(connector), + true)) return MODE_CLOCK_HIGH; if (mode->clock < 20000) - return MODE_CLOCK_HIGH; + return MODE_CLOCK_LOW; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; @@ -200,114 +873,532 @@ static int intel_hdmi_mode_valid(struct drm_connector *connector, return MODE_OK; } -static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) +static bool hdmi_12bpc_possible(struct intel_crtc *crtc) { + struct drm_device *dev = crtc->base.dev; + struct intel_encoder *encoder; + int count = 0, count_hdmi = 0; + + if (!HAS_PCH_SPLIT(dev)) + return false; + + list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { + if (encoder->new_crtc != crtc) + continue; + + count_hdmi += encoder->type == INTEL_OUTPUT_HDMI; + count++; + } + + /* + * HDMI 12bpc affects the clocks, so it's only possible + * when not cloning with other encoder types. + */ + return count_hdmi > 0 && count_hdmi == count; +} + +bool intel_hdmi_compute_config(struct intel_encoder *encoder, + struct intel_crtc_config *pipe_config) +{ + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); + struct drm_device *dev = encoder->base.dev; + struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; + int clock_12bpc = pipe_config->adjusted_mode.crtc_clock * 3 / 2; + int portclock_limit = hdmi_portclock_limit(intel_hdmi, false); + int desired_bpp; + + pipe_config->has_hdmi_sink = intel_hdmi->has_hdmi_sink; + + if (intel_hdmi->color_range_auto) { + /* See CEA-861-E - 5.1 Default Encoding Parameters */ + if (pipe_config->has_hdmi_sink && + drm_match_cea_mode(adjusted_mode) > 1) + intel_hdmi->color_range = HDMI_COLOR_RANGE_16_235; + else + intel_hdmi->color_range = 0; + } + + if (intel_hdmi->color_range) + pipe_config->limited_color_range = true; + + if (HAS_PCH_SPLIT(dev) && !HAS_DDI(dev)) + pipe_config->has_pch_encoder = true; + + if (pipe_config->has_hdmi_sink && intel_hdmi->has_audio) + pipe_config->has_audio = true; + + /* + * HDMI is either 12 or 8, so if the display lets 10bpc sneak + * through, clamp it down. Note that g4x/vlv don't support 12bpc hdmi + * outputs. We also need to check that the higher clock still fits + * within limits. + */ + if (pipe_config->pipe_bpp > 8*3 && pipe_config->has_hdmi_sink && + clock_12bpc <= portclock_limit && + hdmi_12bpc_possible(encoder->new_crtc)) { + DRM_DEBUG_KMS("picking bpc to 12 for HDMI output\n"); + desired_bpp = 12*3; + + /* Need to adjust the port link by 1.5x for 12bpc. */ + pipe_config->port_clock = clock_12bpc; + } else { + DRM_DEBUG_KMS("picking bpc to 8 for HDMI output\n"); + desired_bpp = 8*3; + } + + if (!pipe_config->bw_constrained) { + DRM_DEBUG_KMS("forcing pipe bpc to %i for HDMI\n", desired_bpp); + pipe_config->pipe_bpp = desired_bpp; + } + + if (adjusted_mode->crtc_clock > portclock_limit) { + DRM_DEBUG_KMS("too high HDMI clock, rejecting mode\n"); + return false; + } + return true; } static enum drm_connector_status intel_hdmi_detect(struct drm_connector *connector, bool force) { + struct drm_device *dev = connector->dev; struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); - struct drm_i915_private *dev_priv = connector->dev->dev_private; + struct intel_digital_port *intel_dig_port = + hdmi_to_dig_port(intel_hdmi); + struct intel_encoder *intel_encoder = &intel_dig_port->base; + struct drm_i915_private *dev_priv = dev->dev_private; struct edid *edid; + enum intel_display_power_domain power_domain; enum drm_connector_status status = connector_status_disconnected; + DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", + connector->base.id, connector->name); + + power_domain = intel_display_port_power_domain(intel_encoder); + intel_display_power_get(dev_priv, power_domain); + intel_hdmi->has_hdmi_sink = false; intel_hdmi->has_audio = false; + intel_hdmi->rgb_quant_range_selectable = false; edid = drm_get_edid(connector, - &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter); + intel_gmbus_get_adapter(dev_priv, + intel_hdmi->ddc_bus)); if (edid) { if (edid->input & DRM_EDID_INPUT_DIGITAL) { status = connector_status_connected; - intel_hdmi->has_hdmi_sink = drm_detect_hdmi_monitor(edid); + if (intel_hdmi->force_audio != HDMI_AUDIO_OFF_DVI) + intel_hdmi->has_hdmi_sink = + drm_detect_hdmi_monitor(edid); intel_hdmi->has_audio = drm_detect_monitor_audio(edid); + intel_hdmi->rgb_quant_range_selectable = + drm_rgb_quant_range_selectable(edid); } - connector->display_info.raw_edid = NULL; kfree(edid); } if (status == connector_status_connected) { - if (intel_hdmi->force_audio) - intel_hdmi->has_audio = intel_hdmi->force_audio > 0; + if (intel_hdmi->force_audio != HDMI_AUDIO_AUTO) + intel_hdmi->has_audio = + (intel_hdmi->force_audio == HDMI_AUDIO_ON); + intel_encoder->type = INTEL_OUTPUT_HDMI; } + intel_display_power_put(dev_priv, power_domain); + return status; } static int intel_hdmi_get_modes(struct drm_connector *connector) { - struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); + struct intel_encoder *intel_encoder = intel_attached_encoder(connector); + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); struct drm_i915_private *dev_priv = connector->dev->dev_private; + enum intel_display_power_domain power_domain; + int ret; /* We should parse the EDID data and find out if it's an HDMI sink so * we can send audio to it. */ - return intel_ddc_get_modes(connector, - &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter); + power_domain = intel_display_port_power_domain(intel_encoder); + intel_display_power_get(dev_priv, power_domain); + + ret = intel_ddc_get_modes(connector, + intel_gmbus_get_adapter(dev_priv, + intel_hdmi->ddc_bus)); + + intel_display_power_put(dev_priv, power_domain); + + return ret; +} + +static bool +intel_hdmi_detect_audio(struct drm_connector *connector) +{ + struct intel_encoder *intel_encoder = intel_attached_encoder(connector); + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); + struct drm_i915_private *dev_priv = connector->dev->dev_private; + enum intel_display_power_domain power_domain; + struct edid *edid; + bool has_audio = false; + + power_domain = intel_display_port_power_domain(intel_encoder); + intel_display_power_get(dev_priv, power_domain); + + edid = drm_get_edid(connector, + intel_gmbus_get_adapter(dev_priv, + intel_hdmi->ddc_bus)); + if (edid) { + if (edid->input & DRM_EDID_INPUT_DIGITAL) + has_audio = drm_detect_monitor_audio(edid); + kfree(edid); + } + + intel_display_power_put(dev_priv, power_domain); + + return has_audio; } static int intel_hdmi_set_property(struct drm_connector *connector, - struct drm_property *property, - uint64_t val) + struct drm_property *property, + uint64_t val) { struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); + struct intel_digital_port *intel_dig_port = + hdmi_to_dig_port(intel_hdmi); + struct drm_i915_private *dev_priv = connector->dev->dev_private; int ret; - ret = drm_connector_property_set_value(connector, property, val); + ret = drm_object_property_set_value(&connector->base, property, val); if (ret) return ret; - if (property == intel_hdmi->force_audio_property) { - if (val == intel_hdmi->force_audio) + if (property == dev_priv->force_audio_property) { + enum hdmi_force_audio i = val; + bool has_audio; + + if (i == intel_hdmi->force_audio) return 0; - intel_hdmi->force_audio = val; + intel_hdmi->force_audio = i; - if (val > 0 && intel_hdmi->has_audio) - return 0; - if (val < 0 && !intel_hdmi->has_audio) + if (i == HDMI_AUDIO_AUTO) + has_audio = intel_hdmi_detect_audio(connector); + else + has_audio = (i == HDMI_AUDIO_ON); + + if (i == HDMI_AUDIO_OFF_DVI) + intel_hdmi->has_hdmi_sink = 0; + + intel_hdmi->has_audio = has_audio; + goto done; + } + + if (property == dev_priv->broadcast_rgb_property) { + bool old_auto = intel_hdmi->color_range_auto; + uint32_t old_range = intel_hdmi->color_range; + + switch (val) { + case INTEL_BROADCAST_RGB_AUTO: + intel_hdmi->color_range_auto = true; + break; + case INTEL_BROADCAST_RGB_FULL: + intel_hdmi->color_range_auto = false; + intel_hdmi->color_range = 0; + break; + case INTEL_BROADCAST_RGB_LIMITED: + intel_hdmi->color_range_auto = false; + intel_hdmi->color_range = HDMI_COLOR_RANGE_16_235; + break; + default: + return -EINVAL; + } + + if (old_auto == intel_hdmi->color_range_auto && + old_range == intel_hdmi->color_range) return 0; - intel_hdmi->has_audio = val > 0; goto done; } return -EINVAL; done: - if (intel_hdmi->base.base.crtc) { - struct drm_crtc *crtc = intel_hdmi->base.base.crtc; - drm_crtc_helper_set_mode(crtc, &crtc->mode, - crtc->x, crtc->y, - crtc->fb); - } + if (intel_dig_port->base.base.crtc) + intel_crtc_restore_mode(intel_dig_port->base.base.crtc); return 0; } +static void intel_hdmi_pre_enable(struct intel_encoder *encoder) +{ + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); + struct drm_display_mode *adjusted_mode = + &intel_crtc->config.adjusted_mode; + + intel_hdmi_prepare(encoder); + + intel_hdmi->set_infoframes(&encoder->base, + intel_crtc->config.has_hdmi_sink, + adjusted_mode); +} + +static void vlv_hdmi_pre_enable(struct intel_encoder *encoder) +{ + struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); + struct intel_hdmi *intel_hdmi = &dport->hdmi; + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = + to_intel_crtc(encoder->base.crtc); + struct drm_display_mode *adjusted_mode = + &intel_crtc->config.adjusted_mode; + enum dpio_channel port = vlv_dport_to_channel(dport); + int pipe = intel_crtc->pipe; + u32 val; + + /* Enable clock channels for this port */ + mutex_lock(&dev_priv->dpio_lock); + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(port)); + val = 0; + if (pipe) + val |= (1<<21); + else + val &= ~(1<<21); + val |= 0x001000c4; + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW8(port), val); + + /* HDMI 1.0V-2dB */ + vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), 0); + vlv_dpio_write(dev_priv, pipe, VLV_TX_DW4(port), 0x2b245f5f); + vlv_dpio_write(dev_priv, pipe, VLV_TX_DW2(port), 0x5578b83a); + vlv_dpio_write(dev_priv, pipe, VLV_TX_DW3(port), 0x0c782040); + vlv_dpio_write(dev_priv, pipe, VLV_TX3_DW4(port), 0x2b247878); + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW11(port), 0x00030000); + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), 0x00002000); + vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN); + + /* Program lane clock */ + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW14(port), 0x00760018); + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW23(port), 0x00400888); + mutex_unlock(&dev_priv->dpio_lock); + + intel_hdmi->set_infoframes(&encoder->base, + intel_crtc->config.has_hdmi_sink, + adjusted_mode); + + intel_enable_hdmi(encoder); + + vlv_wait_port_ready(dev_priv, dport); +} + +static void vlv_hdmi_pre_pll_enable(struct intel_encoder *encoder) +{ + struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = + to_intel_crtc(encoder->base.crtc); + enum dpio_channel port = vlv_dport_to_channel(dport); + int pipe = intel_crtc->pipe; + + intel_hdmi_prepare(encoder); + + /* Program Tx lane resets to default */ + mutex_lock(&dev_priv->dpio_lock); + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port), + DPIO_PCS_TX_LANE2_RESET | + DPIO_PCS_TX_LANE1_RESET); + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port), + DPIO_PCS_CLK_CRI_RXEB_EIOS_EN | + DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN | + (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) | + DPIO_PCS_CLK_SOFT_RESET); + + /* Fix up inter-pair skew failure */ + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00); + vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500); + vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000); + + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), 0x00002000); + vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN); + mutex_unlock(&dev_priv->dpio_lock); +} + +static void vlv_hdmi_post_disable(struct intel_encoder *encoder) +{ + struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); + struct drm_i915_private *dev_priv = encoder->base.dev->dev_private; + struct intel_crtc *intel_crtc = + to_intel_crtc(encoder->base.crtc); + enum dpio_channel port = vlv_dport_to_channel(dport); + int pipe = intel_crtc->pipe; + + /* Reset lanes to avoid HDMI flicker (VLV w/a) */ + mutex_lock(&dev_priv->dpio_lock); + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port), 0x00000000); + vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port), 0x00e00060); + mutex_unlock(&dev_priv->dpio_lock); +} + +static void chv_hdmi_post_disable(struct intel_encoder *encoder) +{ + struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = + to_intel_crtc(encoder->base.crtc); + enum dpio_channel ch = vlv_dport_to_channel(dport); + enum pipe pipe = intel_crtc->pipe; + u32 val; + + mutex_lock(&dev_priv->dpio_lock); + + /* Propagate soft reset to data lane reset */ + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW1(ch)); + val |= CHV_PCS_REQ_SOFTRESET_EN; + vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW1(ch), val); + + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW1(ch)); + val |= CHV_PCS_REQ_SOFTRESET_EN; + vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW1(ch), val); + + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW0(ch)); + val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET); + vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW0(ch), val); + + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW0(ch)); + val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET); + vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW0(ch), val); + + mutex_unlock(&dev_priv->dpio_lock); +} + +static void chv_hdmi_pre_enable(struct intel_encoder *encoder) +{ + struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = + to_intel_crtc(encoder->base.crtc); + enum dpio_channel ch = vlv_dport_to_channel(dport); + int pipe = intel_crtc->pipe; + int data, i; + u32 val; + + mutex_lock(&dev_priv->dpio_lock); + + /* Deassert soft data lane reset*/ + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW1(ch)); + val |= CHV_PCS_REQ_SOFTRESET_EN; + vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW1(ch), val); + + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW1(ch)); + val |= CHV_PCS_REQ_SOFTRESET_EN; + vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW1(ch), val); + + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW0(ch)); + val |= (DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET); + vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW0(ch), val); + + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW0(ch)); + val |= (DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET); + vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW0(ch), val); + + /* Program Tx latency optimal setting */ + for (i = 0; i < 4; i++) { + /* Set the latency optimal bit */ + data = (i == 1) ? 0x0 : 0x6; + vlv_dpio_write(dev_priv, pipe, CHV_TX_DW11(ch, i), + data << DPIO_FRC_LATENCY_SHFIT); + + /* Set the upar bit */ + data = (i == 1) ? 0x0 : 0x1; + vlv_dpio_write(dev_priv, pipe, CHV_TX_DW14(ch, i), + data << DPIO_UPAR_SHIFT); + } + + /* Data lane stagger programming */ + /* FIXME: Fix up value only after power analysis */ + + /* Clear calc init */ + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch)); + val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3); + vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val); + + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch)); + val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3); + vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val); + + /* FIXME: Program the support xxx V-dB */ + /* Use 800mV-0dB */ + for (i = 0; i < 4; i++) { + val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW4(ch, i)); + val &= ~DPIO_SWING_DEEMPH9P5_MASK; + val |= 128 << DPIO_SWING_DEEMPH9P5_SHIFT; + vlv_dpio_write(dev_priv, pipe, CHV_TX_DW4(ch, i), val); + } + + for (i = 0; i < 4; i++) { + val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW2(ch, i)); + val &= ~DPIO_SWING_MARGIN_MASK; + val |= 102 << DPIO_SWING_MARGIN_SHIFT; + vlv_dpio_write(dev_priv, pipe, CHV_TX_DW2(ch, i), val); + } + + /* Disable unique transition scale */ + for (i = 0; i < 4; i++) { + val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW3(ch, i)); + val &= ~DPIO_TX_UNIQ_TRANS_SCALE_EN; + vlv_dpio_write(dev_priv, pipe, CHV_TX_DW3(ch, i), val); + } + + /* Additional steps for 1200mV-0dB */ +#if 0 + val = vlv_dpio_read(dev_priv, pipe, VLV_TX_DW3(ch)); + if (ch) + val |= DPIO_TX_UNIQ_TRANS_SCALE_CH1; + else + val |= DPIO_TX_UNIQ_TRANS_SCALE_CH0; + vlv_dpio_write(dev_priv, pipe, VLV_TX_DW3(ch), val); + + vlv_dpio_write(dev_priv, pipe, VLV_TX_DW2(ch), + vlv_dpio_read(dev_priv, pipe, VLV_TX_DW2(ch)) | + (0x9a << DPIO_UNIQ_TRANS_SCALE_SHIFT)); +#endif + /* Start swing calculation */ + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch)); + val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3; + vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val); + + val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch)); + val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3; + vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val); + + /* LRC Bypass */ + val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW30); + val |= DPIO_LRC_BYPASS; + vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW30, val); + + mutex_unlock(&dev_priv->dpio_lock); + + intel_enable_hdmi(encoder); + + vlv_wait_port_ready(dev_priv, dport); +} + static void intel_hdmi_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); drm_connector_cleanup(connector); kfree(connector); } -static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = { - .dpms = intel_hdmi_dpms, - .mode_fixup = intel_hdmi_mode_fixup, - .prepare = intel_encoder_prepare, - .mode_set = intel_hdmi_mode_set, - .commit = intel_encoder_commit, -}; - static const struct drm_connector_funcs intel_hdmi_connector_funcs = { - .dpms = drm_helper_connector_dpms, + .dpms = intel_connector_dpms, .detect = intel_hdmi_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = intel_hdmi_set_property, @@ -327,77 +1418,74 @@ static const struct drm_encoder_funcs intel_hdmi_enc_funcs = { static void intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *connector) { - struct drm_device *dev = connector->dev; - - intel_hdmi->force_audio_property = - drm_property_create(dev, DRM_MODE_PROP_RANGE, "force_audio", 2); - if (intel_hdmi->force_audio_property) { - intel_hdmi->force_audio_property->values[0] = -1; - intel_hdmi->force_audio_property->values[1] = 1; - drm_connector_attach_property(connector, intel_hdmi->force_audio_property, 0); - } + intel_attach_force_audio_property(connector); + intel_attach_broadcast_rgb_property(connector); + intel_hdmi->color_range_auto = true; } -void intel_hdmi_init(struct drm_device *dev, int sdvox_reg) +void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, + struct intel_connector *intel_connector) { + struct drm_connector *connector = &intel_connector->base; + struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; + struct intel_encoder *intel_encoder = &intel_dig_port->base; + struct drm_device *dev = intel_encoder->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_connector *connector; - struct intel_encoder *intel_encoder; - struct intel_connector *intel_connector; - struct intel_hdmi *intel_hdmi; + enum port port = intel_dig_port->port; - intel_hdmi = kzalloc(sizeof(struct intel_hdmi), GFP_KERNEL); - if (!intel_hdmi) - return; - - intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL); - if (!intel_connector) { - kfree(intel_hdmi); - return; - } - - intel_encoder = &intel_hdmi->base; - drm_encoder_init(dev, &intel_encoder->base, &intel_hdmi_enc_funcs, - DRM_MODE_ENCODER_TMDS); - - connector = &intel_connector->base; drm_connector_init(dev, connector, &intel_hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA); drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs); - intel_encoder->type = INTEL_OUTPUT_HDMI; - - connector->polled = DRM_CONNECTOR_POLL_HPD; - connector->interlace_allowed = 0; + connector->interlace_allowed = 1; connector->doublescan_allowed = 0; - intel_encoder->crtc_mask = (1 << 0) | (1 << 1); + connector->stereo_allowed = 1; - /* Set up the DDC bus. */ - if (sdvox_reg == SDVOB) { - intel_encoder->clone_mask = (1 << INTEL_HDMIB_CLONE_BIT); - intel_hdmi->ddc_bus = GMBUS_PORT_DPB; - dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS; - } else if (sdvox_reg == SDVOC) { - intel_encoder->clone_mask = (1 << INTEL_HDMIC_CLONE_BIT); - intel_hdmi->ddc_bus = GMBUS_PORT_DPC; - dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS; - } else if (sdvox_reg == HDMIB) { - intel_encoder->clone_mask = (1 << INTEL_HDMID_CLONE_BIT); + switch (port) { + case PORT_B: intel_hdmi->ddc_bus = GMBUS_PORT_DPB; - dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS; - } else if (sdvox_reg == HDMIC) { - intel_encoder->clone_mask = (1 << INTEL_HDMIE_CLONE_BIT); + intel_encoder->hpd_pin = HPD_PORT_B; + break; + case PORT_C: intel_hdmi->ddc_bus = GMBUS_PORT_DPC; - dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS; - } else if (sdvox_reg == HDMID) { - intel_encoder->clone_mask = (1 << INTEL_HDMIF_CLONE_BIT); - intel_hdmi->ddc_bus = GMBUS_PORT_DPD; - dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS; + intel_encoder->hpd_pin = HPD_PORT_C; + break; + case PORT_D: + if (IS_CHERRYVIEW(dev)) + intel_hdmi->ddc_bus = GMBUS_PORT_DPD_CHV; + else + intel_hdmi->ddc_bus = GMBUS_PORT_DPD; + intel_encoder->hpd_pin = HPD_PORT_D; + break; + case PORT_A: + intel_encoder->hpd_pin = HPD_PORT_A; + /* Internal port only for eDP. */ + default: + BUG(); } - intel_hdmi->sdvox_reg = sdvox_reg; + if (IS_VALLEYVIEW(dev)) { + intel_hdmi->write_infoframe = vlv_write_infoframe; + intel_hdmi->set_infoframes = vlv_set_infoframes; + } else if (!HAS_PCH_SPLIT(dev)) { + intel_hdmi->write_infoframe = g4x_write_infoframe; + intel_hdmi->set_infoframes = g4x_set_infoframes; + } else if (HAS_DDI(dev)) { + intel_hdmi->write_infoframe = hsw_write_infoframe; + intel_hdmi->set_infoframes = hsw_set_infoframes; + } else if (HAS_PCH_IBX(dev)) { + intel_hdmi->write_infoframe = ibx_write_infoframe; + intel_hdmi->set_infoframes = ibx_set_infoframes; + } else { + intel_hdmi->write_infoframe = cpt_write_infoframe; + intel_hdmi->set_infoframes = cpt_set_infoframes; + } - drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs); + if (HAS_DDI(dev)) + intel_connector->get_hw_state = intel_ddi_connector_get_hw_state; + else + intel_connector->get_hw_state = intel_connector_get_hw_state; + intel_connector->unregister = intel_connector_unregister; intel_hdmi_add_properties(intel_hdmi, connector); @@ -413,3 +1501,67 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg) I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd); } } + +void intel_hdmi_init(struct drm_device *dev, int hdmi_reg, enum port port) +{ + struct intel_digital_port *intel_dig_port; + struct intel_encoder *intel_encoder; + struct intel_connector *intel_connector; + + intel_dig_port = kzalloc(sizeof(*intel_dig_port), GFP_KERNEL); + if (!intel_dig_port) + return; + + intel_connector = kzalloc(sizeof(*intel_connector), GFP_KERNEL); + if (!intel_connector) { + kfree(intel_dig_port); + return; + } + + intel_encoder = &intel_dig_port->base; + + drm_encoder_init(dev, &intel_encoder->base, &intel_hdmi_enc_funcs, + DRM_MODE_ENCODER_TMDS); + + intel_encoder->compute_config = intel_hdmi_compute_config; + intel_encoder->disable = intel_disable_hdmi; + intel_encoder->get_hw_state = intel_hdmi_get_hw_state; + intel_encoder->get_config = intel_hdmi_get_config; + if (IS_CHERRYVIEW(dev)) { + intel_encoder->pre_enable = chv_hdmi_pre_enable; + intel_encoder->enable = vlv_enable_hdmi; + intel_encoder->post_disable = chv_hdmi_post_disable; + } else if (IS_VALLEYVIEW(dev)) { + intel_encoder->pre_pll_enable = vlv_hdmi_pre_pll_enable; + intel_encoder->pre_enable = vlv_hdmi_pre_enable; + intel_encoder->enable = vlv_enable_hdmi; + intel_encoder->post_disable = vlv_hdmi_post_disable; + } else { + intel_encoder->pre_enable = intel_hdmi_pre_enable; + intel_encoder->enable = intel_enable_hdmi; + } + + intel_encoder->type = INTEL_OUTPUT_HDMI; + if (IS_CHERRYVIEW(dev)) { + if (port == PORT_D) + intel_encoder->crtc_mask = 1 << 2; + else + intel_encoder->crtc_mask = (1 << 0) | (1 << 1); + } else { + intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2); + } + intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG; + /* + * BSpec is unclear about HDMI+HDMI cloning on g4x, but it seems + * to work on real hardware. And since g4x can send infoframes to + * only one port anyway, nothing is lost by allowing it. + */ + if (IS_G4X(dev)) + intel_encoder->cloneable |= 1 << INTEL_OUTPUT_HDMI; + + intel_dig_port->port = port; + intel_dig_port->hdmi.hdmi_reg = hdmi_reg; + intel_dig_port->dp.output_reg = 0; + + intel_hdmi_init_connector(intel_dig_port, intel_connector); +} |