diff options
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -rw-r--r-- | drivers/gpu/drm/radeon/Kconfig | 30 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_audio.c | 117 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_bios.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 4 |
5 files changed, 170 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/Kconfig b/drivers/gpu/drm/radeon/Kconfig index 52819e7f1fca..97a277f9a25e 100644 --- a/drivers/gpu/drm/radeon/Kconfig +++ b/drivers/gpu/drm/radeon/Kconfig @@ -1,4 +1,34 @@ # SPDX-License-Identifier: MIT + +config DRM_RADEON + tristate "ATI Radeon" + depends on DRM && PCI && MMU + depends on AGP || !AGP + select FW_LOADER + select DRM_DISPLAY_DP_HELPER + select DRM_DISPLAY_HELPER + select DRM_KMS_HELPER + select DRM_TTM + select DRM_TTM_HELPER + select SND_HDA_COMPONENT if SND_HDA_CORE + select POWER_SUPPLY + select HWMON + select BACKLIGHT_CLASS_DEVICE + select INTERVAL_TREE + # radeon depends on ACPI_VIDEO when ACPI is enabled, for select to work + # ACPI_VIDEO's dependencies must also be selected. + select INPUT if ACPI + select ACPI_VIDEO if ACPI + # On x86 ACPI_VIDEO also needs ACPI_WMI + select X86_PLATFORM_DEVICES if ACPI && X86 + select ACPI_WMI if ACPI && X86 + help + Choose this option if you have an ATI Radeon graphics card. There + are both PCI and AGP versions. You don't need to choose this to + run the Radeon in plain VGA mode. + + If M is selected, the module will be called radeon. + config DRM_RADEON_USERPTR bool "Always enable userptr support" depends on DRM_RADEON diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 166c18d62f6d..2e7161acd443 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -79,6 +79,7 @@ #include <drm/ttm/ttm_execbuf_util.h> #include <drm/drm_gem.h> +#include <drm/drm_audio_component.h> #include "radeon_family.h" #include "radeon_mode.h" @@ -1796,6 +1797,9 @@ struct r600_audio { struct radeon_audio_funcs *hdmi_funcs; struct radeon_audio_funcs *dp_funcs; struct radeon_audio_basic_funcs *funcs; + struct drm_audio_component *component; + bool component_registered; + struct mutex component_mutex; }; /* @@ -2994,6 +2998,10 @@ void radeon_irq_kms_set_irq_n_enabled(struct radeon_device *rdev, bool enable, const char *name, unsigned n); +/* Audio component binding */ +void radeon_audio_component_init(struct radeon_device *rdev); +void radeon_audio_component_fini(struct radeon_device *rdev); + #include "radeon_object.h" #endif diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c index 7c5e80d03fc9..d6ccaf24ee0c 100644 --- a/drivers/gpu/drm/radeon/radeon_audio.c +++ b/drivers/gpu/drm/radeon/radeon_audio.c @@ -23,6 +23,7 @@ */ #include <linux/gcd.h> +#include <linux/component.h> #include <drm/drm_crtc.h> #include "dce6_afmt.h" @@ -180,6 +181,8 @@ static struct radeon_audio_funcs dce6_dp_funcs = { .dpms = evergreen_dp_enable, }; +static void radeon_audio_component_notify(struct radeon_device *rdev, int port); + static void radeon_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin, u8 enable_mask) { @@ -207,6 +210,8 @@ static void radeon_audio_enable(struct radeon_device *rdev, if (rdev->audio.funcs->enable) rdev->audio.funcs->enable(rdev, pin, enable_mask); + + radeon_audio_component_notify(rdev, pin->id); } static void radeon_audio_interface_init(struct radeon_device *rdev) @@ -721,3 +726,115 @@ unsigned int radeon_audio_decode_dfs_div(unsigned int div) else return 0; } + +/* + * Audio component support + */ +static void radeon_audio_component_notify(struct radeon_device *rdev, int port) +{ + struct drm_audio_component *acomp; + + mutex_lock(&rdev->audio.component_mutex); + acomp = rdev->audio.component; + if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) + acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, + port, -1); + mutex_unlock(&rdev->audio.component_mutex); +} + +static int radeon_audio_component_get_eld(struct device *kdev, int port, + int pipe, bool *enabled, + unsigned char *buf, int max_bytes) +{ + struct drm_device *dev = dev_get_drvdata(kdev); + struct radeon_device *rdev = dev->dev_private; + struct drm_encoder *encoder; + struct radeon_encoder *radeon_encoder; + struct radeon_encoder_atom_dig *dig; + struct drm_connector *connector; + int ret = 0; + + *enabled = false; + if (!rdev->audio.enabled || !rdev->mode_info.mode_config_initialized) + return 0; + + list_for_each_entry(encoder, &rdev->ddev->mode_config.encoder_list, head) { + if (!radeon_encoder_is_digital(encoder)) + continue; + radeon_encoder = to_radeon_encoder(encoder); + dig = radeon_encoder->enc_priv; + if (!dig->pin || dig->pin->id != port) + continue; + connector = radeon_get_connector_for_encoder(encoder); + if (!connector) + continue; + *enabled = true; + ret = drm_eld_size(connector->eld); + memcpy(buf, connector->eld, min(max_bytes, ret)); + break; + } + + return ret; +} + +static const struct drm_audio_component_ops radeon_audio_component_ops = { + .get_eld = radeon_audio_component_get_eld, +}; + +static int radeon_audio_component_bind(struct device *kdev, + struct device *hda_kdev, void *data) +{ + struct drm_device *dev = dev_get_drvdata(kdev); + struct radeon_device *rdev = dev->dev_private; + struct drm_audio_component *acomp = data; + + if (WARN_ON(!device_link_add(hda_kdev, kdev, DL_FLAG_STATELESS))) + return -ENOMEM; + + mutex_lock(&rdev->audio.component_mutex); + acomp->ops = &radeon_audio_component_ops; + acomp->dev = kdev; + rdev->audio.component = acomp; + mutex_unlock(&rdev->audio.component_mutex); + + return 0; +} + +static void radeon_audio_component_unbind(struct device *kdev, + struct device *hda_kdev, void *data) +{ + struct drm_device *dev = dev_get_drvdata(kdev); + struct radeon_device *rdev = dev->dev_private; + struct drm_audio_component *acomp = data; + + device_link_remove(hda_kdev, kdev); + + mutex_lock(&rdev->audio.component_mutex); + rdev->audio.component = NULL; + acomp->ops = NULL; + acomp->dev = NULL; + mutex_unlock(&rdev->audio.component_mutex); +} + +static const struct component_ops radeon_audio_component_bind_ops = { + .bind = radeon_audio_component_bind, + .unbind = radeon_audio_component_unbind, +}; + +void radeon_audio_component_init(struct radeon_device *rdev) +{ + if (rdev->audio.component_registered || + !radeon_audio || !radeon_audio_chipset_supported(rdev)) + return; + + if (!component_add(rdev->dev, &radeon_audio_component_bind_ops)) + rdev->audio.component_registered = true; +} + +void radeon_audio_component_fini(struct radeon_device *rdev) +{ + if (rdev->audio.component_registered) { + component_del(rdev->dev, &radeon_audio_component_bind_ops); + rdev->audio.component_registered = false; + } +} diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c index 33121655d50b..1d99c9a2b56e 100644 --- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -612,13 +612,14 @@ static bool radeon_acpi_vfct_bios(struct radeon_device *rdev) acpi_size tbl_size; UEFI_ACPI_VFCT *vfct; unsigned offset; + bool r = false; if (!ACPI_SUCCESS(acpi_get_table("VFCT", 1, &hdr))) return false; tbl_size = hdr->length; if (tbl_size < sizeof(UEFI_ACPI_VFCT)) { DRM_ERROR("ACPI VFCT table present but broken (too short #1)\n"); - return false; + goto out; } vfct = (UEFI_ACPI_VFCT *)hdr; @@ -631,13 +632,13 @@ static bool radeon_acpi_vfct_bios(struct radeon_device *rdev) offset += sizeof(VFCT_IMAGE_HEADER); if (offset > tbl_size) { DRM_ERROR("ACPI VFCT image header truncated\n"); - return false; + goto out; } offset += vhdr->ImageLength; if (offset > tbl_size) { DRM_ERROR("ACPI VFCT image truncated\n"); - return false; + goto out; } if (vhdr->ImageLength && @@ -649,15 +650,18 @@ static bool radeon_acpi_vfct_bios(struct radeon_device *rdev) rdev->bios = kmemdup(&vbios->VbiosContent, vhdr->ImageLength, GFP_KERNEL); + if (rdev->bios) + r = true; - if (!rdev->bios) - return false; - return true; + goto out; } } DRM_ERROR("ACPI VFCT table present but broken (too short #2)\n"); - return false; + +out: + acpi_put_table(hdr); + return r; } #else static inline bool radeon_acpi_vfct_bios(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 262e2bcb30c3..6344454a7721 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1312,6 +1312,7 @@ int radeon_device_init(struct radeon_device *rdev, mutex_init(&rdev->pm.mutex); mutex_init(&rdev->gpu_clock_mutex); mutex_init(&rdev->srbm_mutex); + mutex_init(&rdev->audio.component_mutex); init_rwsem(&rdev->pm.mclk_lock); init_rwsem(&rdev->exclusive_lock); init_waitqueue_head(&rdev->irq.vblank_queue); @@ -1451,6 +1452,8 @@ int radeon_device_init(struct radeon_device *rdev, goto failed; } + radeon_audio_component_init(rdev); + r = radeon_ib_ring_tests(rdev); if (r) DRM_ERROR("ib ring test failed (%d).\n", r); @@ -1513,6 +1516,7 @@ void radeon_device_fini(struct radeon_device *rdev) rdev->shutdown = true; /* evict vram memory */ radeon_bo_evict_vram(rdev); + radeon_audio_component_fini(rdev); radeon_fini(rdev); if (!pci_is_thunderbolt_attached(rdev->pdev)) vga_switcheroo_unregister_client(rdev->pdev); |