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authorJames Morris <james.l.morris@oracle.com>2017-11-29 12:47:41 +1100
committerJames Morris <james.l.morris@oracle.com>2017-11-29 12:47:41 +1100
commitcf40a76e7d5874bb25f4404eecc58a2e033af885 (patch)
tree8fd81cbea03c87b3d41d7ae5b1d11eadd35d6ef5 /drivers/gpu/drm/amd/display/dc/inc/hw/gpio.h
parentab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff)
parent4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff)
Merge tag 'v4.15-rc1' into next-seccomp
Linux 4.15-rc1
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/gpio.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/hw/gpio.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/gpio.h b/drivers/gpu/drm/amd/display/dc/inc/hw/gpio.h
new file mode 100644
index 000000000000..90d0148430fb
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/gpio.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2012-16 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.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DAL_GPIO_H__
+#define __DAL_GPIO_H__
+
+#include "gpio_types.h"
+
+struct gpio {
+ struct gpio_service *service;
+ struct hw_gpio_pin *pin;
+ enum gpio_id id;
+ uint32_t en;
+ enum gpio_mode mode;
+ /* when GPIO comes from VBIOS, it has defined output state */
+ enum gpio_pin_output_state output_state;
+};
+
+#if 0
+struct gpio_funcs {
+
+ struct hw_gpio_pin *(*create_ddc_data)(
+ struct dc_context *ctx,
+ enum gpio_id id,
+ uint32_t en);
+ struct hw_gpio_pin *(*create_ddc_clock)(
+ struct dc_context *ctx,
+ enum gpio_id id,
+ uint32_t en);
+ struct hw_gpio_pin *(*create_generic)(
+ struct dc_context *ctx,
+ enum gpio_id id,
+ uint32_t en);
+ struct hw_gpio_pin *(*create_hpd)(
+ struct dc_context *ctx,
+ enum gpio_id id,
+ uint32_t en);
+ struct hw_gpio_pin *(*create_gpio_pad)(
+ struct dc_context *ctx,
+ enum gpio_id id,
+ uint32_t en);
+ struct hw_gpio_pin *(*create_sync)(
+ struct dc_context *ctx,
+ enum gpio_id id,
+ uint32_t en);
+ struct hw_gpio_pin *(*create_gsl)(
+ struct dc_context *ctx,
+ enum gpio_id id,
+ uint32_t en);
+
+ /* HW translation */
+ bool (*offset_to_id)(
+ uint32_t offset,
+ uint32_t mask,
+ enum gpio_id *id,
+ uint32_t *en);
+ bool (*id_to_offset)(
+ enum gpio_id id,
+ uint32_t en,
+ struct gpio_pin_info *info);
+};
+#endif
+
+#endif /* __DAL_GPIO__ */