1 files changed, 0 insertions, 639 deletions

diff --git a/sys/dev/drm2/radeon/radeon_acpi.c b/sys/dev/drm2/radeon/radeon_acpi.c
deleted file mode 100644
index e4dd6e846945..000000000000
--- a/sys/dev/drm2/radeon/radeon_acpi.c
+++ /dev/null
@@ -1,639 +0,0 @@
-/*
- * Copyright 2012 Advanced Micro Devices, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <dev/drm2/drmP.h>
-#include <dev/drm2/drm_crtc_helper.h>
-#include "radeon.h"
-#include "radeon_acpi.h"
-#include "atom.h"
-
-#define ACPI_AC_CLASS           "ac_adapter"
-
-struct atif_verify_interface {
-	u16 size;		/* structure size in bytes (includes size field) */
-	u16 version;		/* version */
-	u32 notification_mask;	/* supported notifications mask */
-	u32 function_bits;	/* supported functions bit vector */
-} __packed;
-
-struct atif_system_params {
-	u16 size;		/* structure size in bytes (includes size field) */
-	u32 valid_mask;		/* valid flags mask */
-	u32 flags;		/* flags */
-	u8 command_code;	/* notify command code */
-} __packed;
-
-struct atif_sbios_requests {
-	u16 size;		/* structure size in bytes (includes size field) */
-	u32 pending;		/* pending sbios requests */
-	u8 panel_exp_mode;	/* panel expansion mode */
-	u8 thermal_gfx;		/* thermal state: target gfx controller */
-	u8 thermal_state;	/* thermal state: state id (0: exit state, non-0: state) */
-	u8 forced_power_gfx;	/* forced power state: target gfx controller */
-	u8 forced_power_state;	/* forced power state: state id */
-	u8 system_power_src;	/* system power source */
-	u8 backlight_level;	/* panel backlight level (0-255) */
-} __packed;
-
-#define ATIF_NOTIFY_MASK	0x3
-#define ATIF_NOTIFY_NONE	0
-#define ATIF_NOTIFY_81		1
-#define ATIF_NOTIFY_N		2
-
-struct atcs_verify_interface {
-	u16 size;		/* structure size in bytes (includes size field) */
-	u16 version;		/* version */
-	u32 function_bits;	/* supported functions bit vector */
-} __packed;
-
-/* Call the ATIF method
- */
-/**
- * radeon_atif_call - call an ATIF method
- *
- * @handle: acpi handle
- * @function: the ATIF function to execute
- * @params: ATIF function params
- *
- * Executes the requested ATIF function (all asics).
- * Returns a pointer to the acpi output buffer.
- */
-static ACPI_OBJECT *radeon_atif_call(ACPI_HANDLE handle, int function,
-		ACPI_BUFFER *params)
-{
-	ACPI_STATUS status;
-	ACPI_OBJECT atif_arg_elements[2];
-	ACPI_OBJECT_LIST atif_arg;
-	ACPI_BUFFER buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-
-	atif_arg.Count = 2;
-	atif_arg.Pointer = &atif_arg_elements[0];
-
-	atif_arg_elements[0].Type = ACPI_TYPE_INTEGER;
-	atif_arg_elements[0].Integer.Value = function;
-
-	if (params) {
-		atif_arg_elements[1].Type = ACPI_TYPE_BUFFER;
-		atif_arg_elements[1].Buffer.Length = params->Length;
-		atif_arg_elements[1].Buffer.Pointer = params->Pointer;
-	} else {
-		/* We need a second fake parameter */
-		atif_arg_elements[1].Type = ACPI_TYPE_INTEGER;
-		atif_arg_elements[1].Integer.Value = 0;
-	}
-
-	status = AcpiEvaluateObject(handle, "ATIF", &atif_arg, &buffer);
-
-	/* Fail only if calling the method fails and ATIF is supported */
-	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
-		DRM_DEBUG_DRIVER("failed to evaluate ATIF got %s\n",
-				 AcpiFormatException(status));
-		AcpiOsFree(buffer.Pointer);
-		return NULL;
-	}
-
-	return buffer.Pointer;
-}
-
-/**
- * radeon_atif_parse_notification - parse supported notifications
- *
- * @n: supported notifications struct
- * @mask: supported notifications mask from ATIF
- *
- * Use the supported notifications mask from ATIF function
- * ATIF_FUNCTION_VERIFY_INTERFACE to determine what notifications
- * are supported (all asics).
- */
-static void radeon_atif_parse_notification(struct radeon_atif_notifications *n, u32 mask)
-{
-	n->display_switch = mask & ATIF_DISPLAY_SWITCH_REQUEST_SUPPORTED;
-	n->expansion_mode_change = mask & ATIF_EXPANSION_MODE_CHANGE_REQUEST_SUPPORTED;
-	n->thermal_state = mask & ATIF_THERMAL_STATE_CHANGE_REQUEST_SUPPORTED;
-	n->forced_power_state = mask & ATIF_FORCED_POWER_STATE_CHANGE_REQUEST_SUPPORTED;
-	n->system_power_state = mask & ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST_SUPPORTED;
-	n->display_conf_change = mask & ATIF_DISPLAY_CONF_CHANGE_REQUEST_SUPPORTED;
-	n->px_gfx_switch = mask & ATIF_PX_GFX_SWITCH_REQUEST_SUPPORTED;
-	n->brightness_change = mask & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED;
-	n->dgpu_display_event = mask & ATIF_DGPU_DISPLAY_EVENT_SUPPORTED;
-}
-
-/**
- * radeon_atif_parse_functions - parse supported functions
- *
- * @f: supported functions struct
- * @mask: supported functions mask from ATIF
- *
- * Use the supported functions mask from ATIF function
- * ATIF_FUNCTION_VERIFY_INTERFACE to determine what functions
- * are supported (all asics).
- */
-static void radeon_atif_parse_functions(struct radeon_atif_functions *f, u32 mask)
-{
-	f->system_params = mask & ATIF_GET_SYSTEM_PARAMETERS_SUPPORTED;
-	f->sbios_requests = mask & ATIF_GET_SYSTEM_BIOS_REQUESTS_SUPPORTED;
-	f->select_active_disp = mask & ATIF_SELECT_ACTIVE_DISPLAYS_SUPPORTED;
-	f->lid_state = mask & ATIF_GET_LID_STATE_SUPPORTED;
-	f->get_tv_standard = mask & ATIF_GET_TV_STANDARD_FROM_CMOS_SUPPORTED;
-	f->set_tv_standard = mask & ATIF_SET_TV_STANDARD_IN_CMOS_SUPPORTED;
-	f->get_panel_expansion_mode = mask & ATIF_GET_PANEL_EXPANSION_MODE_FROM_CMOS_SUPPORTED;
-	f->set_panel_expansion_mode = mask & ATIF_SET_PANEL_EXPANSION_MODE_IN_CMOS_SUPPORTED;
-	f->temperature_change = mask & ATIF_TEMPERATURE_CHANGE_NOTIFICATION_SUPPORTED;
-	f->graphics_device_types = mask & ATIF_GET_GRAPHICS_DEVICE_TYPES_SUPPORTED;
-}
-
-/**
- * radeon_atif_verify_interface - verify ATIF
- *
- * @handle: acpi handle
- * @atif: radeon atif struct
- *
- * Execute the ATIF_FUNCTION_VERIFY_INTERFACE ATIF function
- * to initialize ATIF and determine what features are supported
- * (all asics).
- * returns 0 on success, error on failure.
- */
-static int radeon_atif_verify_interface(ACPI_HANDLE handle,
-		struct radeon_atif *atif)
-{
-	ACPI_OBJECT *info;
-	struct atif_verify_interface output;
-	size_t size;
-	int err = 0;
-
-	info = radeon_atif_call(handle, ATIF_FUNCTION_VERIFY_INTERFACE, NULL);
-	if (!info)
-		return -EIO;
-
-	memset(&output, 0, sizeof(output));
-
-	size = *(u16 *) info->Buffer.Pointer;
-	if (size < 12) {
-		DRM_INFO("ATIF buffer is too small: %zu\n", size);
-		err = -EINVAL;
-		goto out;
-	}
-	size = min(sizeof(output), size);
-
-	memcpy(&output, info->Buffer.Pointer, size);
-
-	/* TODO: check version? */
-	DRM_DEBUG_DRIVER("ATIF version %u\n", output.version);
-
-	radeon_atif_parse_notification(&atif->notifications, output.notification_mask);
-	radeon_atif_parse_functions(&atif->functions, output.function_bits);
-
-out:
-	AcpiOsFree(info);
-	return err;
-}
-
-/**
- * radeon_atif_get_notification_params - determine notify configuration
- *
- * @handle: acpi handle
- * @n: atif notification configuration struct
- *
- * Execute the ATIF_FUNCTION_GET_SYSTEM_PARAMETERS ATIF function
- * to determine if a notifier is used and if so which one
- * (all asics).  This is either Notify(VGA, 0x81) or Notify(VGA, n)
- * where n is specified in the result if a notifier is used.
- * Returns 0 on success, error on failure.
- */
-static int radeon_atif_get_notification_params(ACPI_HANDLE handle,
-		struct radeon_atif_notification_cfg *n)
-{
-	ACPI_OBJECT *info;
-	struct atif_system_params params;
-	size_t size;
-	int err = 0;
-
-	info = radeon_atif_call(handle, ATIF_FUNCTION_GET_SYSTEM_PARAMETERS, NULL);
-	if (!info) {
-		err = -EIO;
-		goto out;
-	}
-
-	size = *(u16 *) info->Buffer.Pointer;
-	if (size < 10) {
-		err = -EINVAL;
-		goto out;
-	}
-
-	memset(&params, 0, sizeof(params));
-	size = min(sizeof(params), size);
-	memcpy(&params, info->Buffer.Pointer, size);
-
-	DRM_DEBUG_DRIVER("SYSTEM_PARAMS: mask = %#x, flags = %#x\n",
-			params.flags, params.valid_mask);
-	params.flags = params.flags & params.valid_mask;
-
-	if ((params.flags & ATIF_NOTIFY_MASK) == ATIF_NOTIFY_NONE) {
-		n->enabled = false;
-		n->command_code = 0;
-	} else if ((params.flags & ATIF_NOTIFY_MASK) == ATIF_NOTIFY_81) {
-		n->enabled = true;
-		n->command_code = 0x81;
-	} else {
-		if (size < 11) {
-			err = -EINVAL;
-			goto out;
-		}
-		n->enabled = true;
-		n->command_code = params.command_code;
-	}
-
-out:
-	DRM_DEBUG_DRIVER("Notification %s, command code = %#x\n",
-			(n->enabled ? "enabled" : "disabled"),
-			n->command_code);
-	AcpiOsFree(info);
-	return err;
-}
-
-/**
- * radeon_atif_get_sbios_requests - get requested sbios event
- *
- * @handle: acpi handle
- * @req: atif sbios request struct
- *
- * Execute the ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS ATIF function
- * to determine what requests the sbios is making to the driver
- * (all asics).
- * Returns 0 on success, error on failure.
- */
-static int radeon_atif_get_sbios_requests(ACPI_HANDLE handle,
-		struct atif_sbios_requests *req)
-{
-	ACPI_OBJECT *info;
-	size_t size;
-	int count = 0;
-
-	info = radeon_atif_call(handle, ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS, NULL);
-	if (!info)
-		return -EIO;
-
-	size = *(u16 *)info->Buffer.Pointer;
-	if (size < 0xd) {
-		count = -EINVAL;
-		goto out;
-	}
-	memset(req, 0, sizeof(*req));
-
-	size = min(sizeof(*req), size);
-	memcpy(req, info->Buffer.Pointer, size);
-	DRM_DEBUG_DRIVER("SBIOS pending requests: %#x\n", req->pending);
-
-	count = hweight32(req->pending);
-
-out:
-	AcpiOsFree(info);
-	return count;
-}
-
-/**
- * radeon_atif_handler - handle ATIF notify requests
- *
- * @rdev: radeon_device pointer
- * @event: atif sbios request struct
- *
- * Checks the acpi event and if it matches an atif event,
- * handles it.
- * Returns NOTIFY code
- */
-void radeon_atif_handler(struct radeon_device *rdev,
-    UINT32 type)
-{
-	struct radeon_atif *atif = &rdev->atif;
-	struct atif_sbios_requests req;
-	ACPI_HANDLE handle;
-	int count;
-
-	DRM_DEBUG_DRIVER("event, type = %#x\n",
-			type);
-
-	if (!atif->notification_cfg.enabled ||
-			type != atif->notification_cfg.command_code)
-		/* Not our event */
-		return;
-
-	/* Check pending SBIOS requests */
-	handle = rdev->acpi.handle;
-	count = radeon_atif_get_sbios_requests(handle, &req);
-
-	if (count <= 0)
-		return;
-
-	DRM_DEBUG_DRIVER("ATIF: %d pending SBIOS requests\n", count);
-
-	if (req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) {
-		struct radeon_encoder *enc = atif->encoder_for_bl;
-
-		if (enc) {
-			DRM_DEBUG_DRIVER("Changing brightness to %d\n",
-					req.backlight_level);
-
-			radeon_set_backlight_level(rdev, enc, req.backlight_level);
-
-#ifdef FREEBSD_WIP
-			if (rdev->is_atom_bios) {
-				struct radeon_encoder_atom_dig *dig = enc->enc_priv;
-				backlight_force_update(dig->bl_dev,
-						       BACKLIGHT_UPDATE_HOTKEY);
-			} else {
-				struct radeon_encoder_lvds *dig = enc->enc_priv;
-				backlight_force_update(dig->bl_dev,
-						       BACKLIGHT_UPDATE_HOTKEY);
-			}
-#endif /* FREEBSD_WIP */
-		}
-	}
-	/* TODO: check other events */
-
-	/* We've handled the event, stop the notifier chain. The ACPI interface
-	 * overloads ACPI_VIDEO_NOTIFY_PROBE, we don't want to send that to
-	 * userspace if the event was generated only to signal a SBIOS
-	 * request.
-	 */
-}
-
-/* Call the ATCS method
- */
-/**
- * radeon_atcs_call - call an ATCS method
- *
- * @handle: acpi handle
- * @function: the ATCS function to execute
- * @params: ATCS function params
- *
- * Executes the requested ATCS function (all asics).
- * Returns a pointer to the acpi output buffer.
- */
-static union acpi_object *radeon_atcs_call(ACPI_HANDLE handle, int function,
-					   ACPI_BUFFER *params)
-{
-	ACPI_STATUS status;
-	ACPI_OBJECT atcs_arg_elements[2];
-	ACPI_OBJECT_LIST atcs_arg;
-	ACPI_BUFFER buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-
-	atcs_arg.Count = 2;
-	atcs_arg.Pointer = &atcs_arg_elements[0];
-
-	atcs_arg_elements[0].Type = ACPI_TYPE_INTEGER;
-	atcs_arg_elements[0].Integer.Value = function;
-
-	if (params) {
-		atcs_arg_elements[1].Type = ACPI_TYPE_BUFFER;
-		atcs_arg_elements[1].Buffer.Length = params->Length;
-		atcs_arg_elements[1].Buffer.Pointer = params->Pointer;
-	} else {
-		/* We need a second fake parameter */
-		atcs_arg_elements[1].Type = ACPI_TYPE_INTEGER;
-		atcs_arg_elements[1].Integer.Value = 0;
-	}
-
-	status = AcpiEvaluateObject(handle, "ATCS", &atcs_arg, &buffer);
-
-	/* Fail only if calling the method fails and ATIF is supported */
-	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
-		DRM_DEBUG_DRIVER("failed to evaluate ATCS got %s\n",
-				 AcpiFormatException(status));
-		AcpiOsFree(buffer.Pointer);
-		return NULL;
-	}
-
-	return buffer.Pointer;
-}
-
-/**
- * radeon_atcs_parse_functions - parse supported functions
- *
- * @f: supported functions struct
- * @mask: supported functions mask from ATCS
- *
- * Use the supported functions mask from ATCS function
- * ATCS_FUNCTION_VERIFY_INTERFACE to determine what functions
- * are supported (all asics).
- */
-static void radeon_atcs_parse_functions(struct radeon_atcs_functions *f, u32 mask)
-{
-	f->get_ext_state = mask & ATCS_GET_EXTERNAL_STATE_SUPPORTED;
-	f->pcie_perf_req = mask & ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED;
-	f->pcie_dev_rdy = mask & ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED;
-	f->pcie_bus_width = mask & ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED;
-}
-
-/**
- * radeon_atcs_verify_interface - verify ATCS
- *
- * @handle: acpi handle
- * @atcs: radeon atcs struct
- *
- * Execute the ATCS_FUNCTION_VERIFY_INTERFACE ATCS function
- * to initialize ATCS and determine what features are supported
- * (all asics).
- * returns 0 on success, error on failure.
- */
-static int radeon_atcs_verify_interface(ACPI_HANDLE handle,
-					struct radeon_atcs *atcs)
-{
-	ACPI_OBJECT *info;
-	struct atcs_verify_interface output;
-	size_t size;
-	int err = 0;
-
-	info = radeon_atcs_call(handle, ATCS_FUNCTION_VERIFY_INTERFACE, NULL);
-	if (!info)
-		return -EIO;
-
-	memset(&output, 0, sizeof(output));
-
-	size = *(u16 *) info->Buffer.Pointer;
-	if (size < 8) {
-		DRM_INFO("ATCS buffer is too small: %zu\n", size);
-		err = -EINVAL;
-		goto out;
-	}
-	size = min(sizeof(output), size);
-
-	memcpy(&output, info->Buffer.Pointer, size);
-
-	/* TODO: check version? */
-	DRM_DEBUG_DRIVER("ATCS version %u\n", output.version);
-
-	radeon_atcs_parse_functions(&atcs->functions, output.function_bits);
-
-out:
-	AcpiOsFree(info);
-	return err;
-}
-
-/**
- * radeon_acpi_event - handle notify events
- *
- * @nb: notifier block
- * @val: val
- * @data: acpi event
- *
- * Calls relevant radeon functions in response to various
- * acpi events.
- * Returns NOTIFY code
- */
-static void radeon_acpi_event(ACPI_HANDLE handle, UINT32 type,
-    void *context)
-{
-	struct radeon_device *rdev = (struct radeon_device *)context;
-
-#ifdef FREEBSD_WIP
-	if (strcmp(entry->device_class, ACPI_AC_CLASS) == 0) {
-		if (power_supply_is_system_supplied() > 0)
-			DRM_DEBUG_DRIVER("pm: AC\n");
-		else
-			DRM_DEBUG_DRIVER("pm: DC\n");
-
-		radeon_pm_acpi_event_handler(rdev);
-	}
-#endif /* FREEBSD_WIP */
-
-	/* Check for pending SBIOS requests */
-	radeon_atif_handler(rdev, type);
-}
-
-/* Call all ACPI methods here */
-/**
- * radeon_acpi_init - init driver acpi support
- *
- * @rdev: radeon_device pointer
- *
- * Verifies the AMD ACPI interfaces and registers with the acpi
- * notifier chain (all asics).
- * Returns 0 on success, error on failure.
- */
-int radeon_acpi_init(struct radeon_device *rdev)
-{
-	ACPI_HANDLE handle;
-	struct radeon_atif *atif = &rdev->atif;
-	struct radeon_atcs *atcs = &rdev->atcs;
-	int ret;
-
-	/* Get the device handle */
-	handle = acpi_get_handle(rdev->dev);
-
-	/* No need to proceed if we're sure that ATIF is not supported */
-	if (!ASIC_IS_AVIVO(rdev) || !rdev->bios || !handle)
-		return 0;
-
-	/* Call the ATCS method */
-	ret = radeon_atcs_verify_interface(handle, atcs);
-	if (ret) {
-		DRM_DEBUG_DRIVER("Call to ATCS verify_interface failed: %d\n", ret);
-	}
-
-	/* Call the ATIF method */
-	ret = radeon_atif_verify_interface(handle, atif);
-	if (ret) {
-		DRM_DEBUG_DRIVER("Call to ATIF verify_interface failed: %d\n", ret);
-		goto out;
-	}
-
-	if (atif->notifications.brightness_change) {
-		struct drm_encoder *tmp;
-		struct radeon_encoder *target = NULL;
-
-		/* Find the encoder controlling the brightness */
-		list_for_each_entry(tmp, &rdev->ddev->mode_config.encoder_list,
-				head) {
-			struct radeon_encoder *enc = to_radeon_encoder(tmp);
-
-			if ((enc->devices & (ATOM_DEVICE_LCD_SUPPORT)) &&
-			    enc->enc_priv) {
-				if (rdev->is_atom_bios) {
-					struct radeon_encoder_atom_dig *dig = enc->enc_priv;
-					if (dig->bl_dev) {
-						target = enc;
-						break;
-					}
-				} else {
-					struct radeon_encoder_lvds *dig = enc->enc_priv;
-					if (dig->bl_dev) {
-						target = enc;
-						break;
-					}
-				}
-			}
-		}
-
-		atif->encoder_for_bl = target;
-		if (!target) {
-			/* Brightness change notification is enabled, but we
-			 * didn't find a backlight controller, this should
-			 * never happen.
-			 */
-			DRM_ERROR("Cannot find a backlight controller\n");
-		}
-	}
-
-	if (atif->functions.sbios_requests && !atif->functions.system_params) {
-		/* XXX check this workraround, if sbios request function is
-		 * present we have to see how it's configured in the system
-		 * params
-		 */
-		atif->functions.system_params = true;
-	}
-
-	if (atif->functions.system_params) {
-		ret = radeon_atif_get_notification_params(handle,
-				&atif->notification_cfg);
-		if (ret) {
-			DRM_DEBUG_DRIVER("Call to GET_SYSTEM_PARAMS failed: %d\n",
-					ret);
-			/* Disable notification */
-			atif->notification_cfg.enabled = false;
-		}
-	}
-
-out:
-	rdev->acpi.handle = handle;
-	rdev->acpi.notifier_call = radeon_acpi_event;
-	AcpiInstallNotifyHandler(handle, ACPI_DEVICE_NOTIFY,
-	    rdev->acpi.notifier_call, rdev);
-
-	return ret;
-}
-
-/**
- * radeon_acpi_fini - tear down driver acpi support
- *
- * @rdev: radeon_device pointer
- *
- * Unregisters with the acpi notifier chain (all asics).
- */
-void radeon_acpi_fini(struct radeon_device *rdev)
-{
-	AcpiRemoveNotifyHandler(rdev->acpi.handle, ACPI_DEVICE_NOTIFY,
-	    rdev->acpi.notifier_call);
-}