Interface to set and ack DCE interrupts.
Signed-off-by: Harry Wentland harry.wentland@amd.com Reviewed-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/amd/dal/dc/irq/Makefile | 21 ++ .../drm/amd/dal/dc/irq/dce110/irq_service_dce110.c | 389 +++++++++++++++++++++ .../drm/amd/dal/dc/irq/dce110/irq_service_dce110.h | 34 ++ drivers/gpu/drm/amd/dal/dc/irq/irq_service.c | 177 ++++++++++ drivers/gpu/drm/amd/dal/dc/irq/irq_service.h | 85 +++++ 5 files changed, 706 insertions(+) create mode 100644 drivers/gpu/drm/amd/dal/dc/irq/Makefile create mode 100644 drivers/gpu/drm/amd/dal/dc/irq/dce110/irq_service_dce110.c create mode 100644 drivers/gpu/drm/amd/dal/dc/irq/dce110/irq_service_dce110.h create mode 100644 drivers/gpu/drm/amd/dal/dc/irq/irq_service.c create mode 100644 drivers/gpu/drm/amd/dal/dc/irq/irq_service.h
diff --git a/drivers/gpu/drm/amd/dal/dc/irq/Makefile b/drivers/gpu/drm/amd/dal/dc/irq/Makefile new file mode 100644 index 000000000000..f1c5faf94b83 --- /dev/null +++ b/drivers/gpu/drm/amd/dal/dc/irq/Makefile @@ -0,0 +1,21 @@ +# +# Makefile for the 'audio' sub-component of DAL. +# It provides the control and status of HW adapter resources, +# that are global for the ASIC and sharable between pipes. + +IRQ = irq_service.o + +AMD_DAL_IRQ = $(addprefix $(AMDDALPATH)/dc/irq/,$(IRQ)) + +AMD_DAL_FILES += $(AMD_DAL_IRQ) + +############################################################################### +# DCE 11x +############################################################################### +ifdef CONFIG_DRM_AMD_DAL_DCE11_0 +IRQ_DCE11 = irq_service_dce110.o + +AMD_DAL_IRQ_DCE11 = $(addprefix $(AMDDALPATH)/dc/irq/dce110/,$(IRQ_DCE11)) + +AMD_DAL_FILES += $(AMD_DAL_IRQ_DCE11) +endif diff --git a/drivers/gpu/drm/amd/dal/dc/irq/dce110/irq_service_dce110.c b/drivers/gpu/drm/amd/dal/dc/irq/dce110/irq_service_dce110.c new file mode 100644 index 000000000000..4085b6f6e7fd --- /dev/null +++ b/drivers/gpu/drm/amd/dal/dc/irq/dce110/irq_service_dce110.c @@ -0,0 +1,389 @@ +/* + * Copyright 2012-15 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 + * + */ + +#include "dm_services.h" + +#include "include/logger_interface.h" + +#include "irq_service_dce110.h" + +#include "dce/dce_11_0_d.h" +#include "dce/dce_11_0_sh_mask.h" +#include "ivsrcid/ivsrcid_vislands30.h" + +static bool hpd_ack( + struct irq_service *irq_service, + const struct irq_source_info *info) +{ + uint32_t addr = info->status_reg; + uint32_t value = dm_read_reg(irq_service->ctx, addr); + uint32_t current_status = + get_reg_field_value( + value, + DC_HPD_INT_STATUS, + DC_HPD_SENSE_DELAYED); + + dal_irq_service_ack_generic(irq_service, info); + + value = dm_read_reg(irq_service->ctx, info->enable_reg); + + set_reg_field_value( + value, + current_status ? 0 : 1, + DC_HPD_INT_CONTROL, + DC_HPD_INT_POLARITY); + + dm_write_reg(irq_service->ctx, info->enable_reg, value); + + return true; +} + +static const struct irq_source_info_funcs hpd_irq_info_funcs = { + .set = NULL, + .ack = hpd_ack +}; + +static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = { + .set = NULL, + .ack = NULL +}; + +static const struct irq_source_info_funcs pflip_irq_info_funcs = { + .set = NULL, + .ack = NULL +}; + +static const struct irq_source_info_funcs vblank_irq_info_funcs = { + .set = NULL, + .ack = NULL +}; + +#define hpd_int_entry(reg_num)\ + [DC_IRQ_SOURCE_HPD1 + reg_num] = {\ + .enable_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\ + .enable_mask = DC_HPD_INT_CONTROL__DC_HPD_INT_EN_MASK,\ + .enable_value = {\ + DC_HPD_INT_CONTROL__DC_HPD_INT_EN_MASK,\ + ~DC_HPD_INT_CONTROL__DC_HPD_INT_EN_MASK\ + },\ + .ack_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\ + .ack_mask = DC_HPD_INT_CONTROL__DC_HPD_INT_ACK_MASK,\ + .ack_value = DC_HPD_INT_CONTROL__DC_HPD_INT_ACK_MASK,\ + .status_reg = mmHPD ## reg_num ## _DC_HPD_INT_STATUS,\ + .funcs = &hpd_irq_info_funcs\ + } + +#define hpd_rx_int_entry(reg_num)\ + [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\ + .enable_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\ + .enable_mask = DC_HPD_INT_CONTROL__DC_HPD_RX_INT_EN_MASK,\ + .enable_value = {\ + DC_HPD_INT_CONTROL__DC_HPD_RX_INT_EN_MASK,\ + ~DC_HPD_INT_CONTROL__DC_HPD_RX_INT_EN_MASK },\ + .ack_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\ + .ack_mask = DC_HPD_INT_CONTROL__DC_HPD_RX_INT_ACK_MASK,\ + .ack_value = DC_HPD_INT_CONTROL__DC_HPD_RX_INT_ACK_MASK,\ + .status_reg = mmHPD ## reg_num ## _DC_HPD_INT_STATUS,\ + .funcs = &hpd_rx_irq_info_funcs\ + } +#define pflip_int_entry(reg_num)\ + [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ + .enable_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_CONTROL,\ + .enable_mask =\ + GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\ + .enable_value = {\ + GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\ + ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK},\ + .ack_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_STATUS,\ + .ack_mask = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\ + .ack_value = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\ + .status_reg = mmDCP ## reg_num ##_GRPH_INTERRUPT_STATUS,\ + .funcs = &pflip_irq_info_funcs\ + } + +#define vsync_int_entry(reg_num) \ + [DC_IRQ_SOURCE_CRTC ## reg_num ## VSYNC] = dummy_irq_entry() + +#define vupdate_int_entry(reg_num)\ + [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ + .enable_reg = mmCRTC ## reg_num ## _CRTC_INTERRUPT_CONTROL,\ + .enable_mask =\ + CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\ + .enable_value = {\ + CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\ + ~CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK},\ + .ack_reg = mmCRTC ## reg_num ## _CRTC_V_UPDATE_INT_STATUS,\ + .ack_mask =\ + CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\ + .ack_value =\ + CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\ + .funcs = &vblank_irq_info_funcs\ + } + +#define dummy_irq_entry() \ + {\ + .funcs = &dummy_irq_info_funcs\ + } + +#define i2c_int_entry(reg_num) \ + [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry() + +#define azalia_int_entry(reg_num) \ + [DC_IRQ_SOURCE_AZALIA ## reg_num] = dummy_irq_entry() + +#define dp_sink_int_entry(reg_num) \ + [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry() + +#define gpio_pad_int_entry(reg_num) \ + [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry() + +#define dc_underflow_int_entry(reg_num) \ + [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry() + +static bool dummy_set( + struct irq_service *irq_service, + const struct irq_source_info *info, + bool enable) +{ + dal_logger_write( + irq_service->ctx->logger, + LOG_MAJOR_ERROR, + LOG_MINOR_COMPONENT_IRQ_SERVICE, + "%s: called for non-implemented irq source\n", + __func__); + return false; +} + +static bool dummy_ack( + struct irq_service *irq_service, + const struct irq_source_info *info) +{ + dal_logger_write( + irq_service->ctx->logger, + LOG_MAJOR_ERROR, + LOG_MINOR_COMPONENT_IRQ_SERVICE, + "%s: called for non-implemented irq source\n", + __func__); + return false; +} + +static const struct irq_source_info_funcs dummy_irq_info_funcs = { + .set = dummy_set, + .ack = dummy_ack +}; + +static const struct irq_source_info +irq_source_info_dce110[DAL_IRQ_SOURCES_NUMBER] = { + [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), + hpd_int_entry(0), + hpd_int_entry(1), + hpd_int_entry(2), + hpd_int_entry(3), + hpd_int_entry(4), + hpd_int_entry(5), + hpd_rx_int_entry(0), + hpd_rx_int_entry(1), + hpd_rx_int_entry(2), + hpd_rx_int_entry(3), + hpd_rx_int_entry(4), + hpd_rx_int_entry(5), + i2c_int_entry(1), + i2c_int_entry(2), + i2c_int_entry(3), + i2c_int_entry(4), + i2c_int_entry(5), + i2c_int_entry(6), + azalia_int_entry(0), + azalia_int_entry(1), + azalia_int_entry(2), + azalia_int_entry(3), + azalia_int_entry(4), + azalia_int_entry(5), + dp_sink_int_entry(1), + dp_sink_int_entry(2), + dp_sink_int_entry(3), + dp_sink_int_entry(4), + dp_sink_int_entry(5), + dp_sink_int_entry(6), + vsync_int_entry(1), + vsync_int_entry(2), + vsync_int_entry(3), + vsync_int_entry(3), + vsync_int_entry(4), + vsync_int_entry(5), + [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), + pflip_int_entry(0), + pflip_int_entry(1), + pflip_int_entry(2), + pflip_int_entry(3), + pflip_int_entry(4), + pflip_int_entry(5), + [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(), + gpio_pad_int_entry(0), + gpio_pad_int_entry(1), + gpio_pad_int_entry(2), + gpio_pad_int_entry(3), + gpio_pad_int_entry(4), + gpio_pad_int_entry(5), + gpio_pad_int_entry(6), + gpio_pad_int_entry(7), + gpio_pad_int_entry(8), + gpio_pad_int_entry(9), + gpio_pad_int_entry(10), + gpio_pad_int_entry(11), + gpio_pad_int_entry(12), + gpio_pad_int_entry(13), + gpio_pad_int_entry(14), + gpio_pad_int_entry(15), + gpio_pad_int_entry(16), + gpio_pad_int_entry(17), + gpio_pad_int_entry(18), + gpio_pad_int_entry(19), + gpio_pad_int_entry(20), + gpio_pad_int_entry(21), + gpio_pad_int_entry(22), + gpio_pad_int_entry(23), + gpio_pad_int_entry(24), + gpio_pad_int_entry(25), + gpio_pad_int_entry(26), + gpio_pad_int_entry(27), + gpio_pad_int_entry(28), + gpio_pad_int_entry(29), + gpio_pad_int_entry(30), + dc_underflow_int_entry(1), + dc_underflow_int_entry(2), + dc_underflow_int_entry(3), + dc_underflow_int_entry(4), + dc_underflow_int_entry(5), + dc_underflow_int_entry(6), + [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), + [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), + vupdate_int_entry(0), + vupdate_int_entry(1), + vupdate_int_entry(2), + vupdate_int_entry(3), + vupdate_int_entry(4), + vupdate_int_entry(5), +}; + +static enum dc_irq_source to_dal_irq_source( + struct irq_service *irq_service, + uint32_t src_id, + uint32_t ext_id) +{ + switch (src_id) { + case VISLANDS30_IV_SRCID_D1_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE1; + case VISLANDS30_IV_SRCID_D2_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE2; + case VISLANDS30_IV_SRCID_D3_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE3; + case VISLANDS30_IV_SRCID_D4_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE4; + case VISLANDS30_IV_SRCID_D5_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE5; + case VISLANDS30_IV_SRCID_D6_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE6; + case VISLANDS30_IV_SRCID_D1_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP1; + case VISLANDS30_IV_SRCID_D2_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP2; + case VISLANDS30_IV_SRCID_D3_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP3; + case VISLANDS30_IV_SRCID_D4_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP4; + case VISLANDS30_IV_SRCID_D5_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP5; + case VISLANDS30_IV_SRCID_D6_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP6; + + case VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A: + /* generic src_id for all HPD and HPDRX interrupts */ + switch (ext_id) { + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_A: + return DC_IRQ_SOURCE_HPD1; + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_B: + return DC_IRQ_SOURCE_HPD2; + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_C: + return DC_IRQ_SOURCE_HPD3; + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_D: + return DC_IRQ_SOURCE_HPD4; + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_E: + return DC_IRQ_SOURCE_HPD5; + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_F: + return DC_IRQ_SOURCE_HPD6; + case VISLANDS30_IV_EXTID_HPD_RX_A: + return DC_IRQ_SOURCE_HPD1RX; + case VISLANDS30_IV_EXTID_HPD_RX_B: + return DC_IRQ_SOURCE_HPD2RX; + case VISLANDS30_IV_EXTID_HPD_RX_C: + return DC_IRQ_SOURCE_HPD3RX; + case VISLANDS30_IV_EXTID_HPD_RX_D: + return DC_IRQ_SOURCE_HPD4RX; + case VISLANDS30_IV_EXTID_HPD_RX_E: + return DC_IRQ_SOURCE_HPD5RX; + case VISLANDS30_IV_EXTID_HPD_RX_F: + return DC_IRQ_SOURCE_HPD6RX; + default: + return DC_IRQ_SOURCE_INVALID; + } + break; + + default: + return DC_IRQ_SOURCE_INVALID; + } +} + +static const struct irq_service_funcs irq_service_funcs_dce110 = { + .to_dal_irq_source = to_dal_irq_source +}; + +bool construct( + struct irq_service *irq_service, + struct irq_service_init_data *init_data) +{ + if (!dal_irq_service_construct(irq_service, init_data)) + return false; + + irq_service->info = irq_source_info_dce110; + irq_service->funcs = &irq_service_funcs_dce110; + + return true; +} + +struct irq_service *dal_irq_service_dce110_create( + struct irq_service_init_data *init_data) +{ + struct irq_service *irq_service = dm_alloc(init_data->ctx, sizeof(*irq_service)); + + if (!irq_service) + return NULL; + + if (construct(irq_service, init_data)) + return irq_service; + + dm_free(init_data->ctx, irq_service); + return NULL; +} diff --git a/drivers/gpu/drm/amd/dal/dc/irq/dce110/irq_service_dce110.h b/drivers/gpu/drm/amd/dal/dc/irq/dce110/irq_service_dce110.h new file mode 100644 index 000000000000..d6c28e940403 --- /dev/null +++ b/drivers/gpu/drm/amd/dal/dc/irq/dce110/irq_service_dce110.h @@ -0,0 +1,34 @@ +/* + * Copyright 2012-15 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_IRQ_SERVICE_DCE110_H__ +#define __DAL_IRQ_SERVICE_DCE110_H__ + +#include "../irq_service.h" + +struct irq_service *dal_irq_service_dce110_create( + struct irq_service_init_data *init_data); + +#endif diff --git a/drivers/gpu/drm/amd/dal/dc/irq/irq_service.c b/drivers/gpu/drm/amd/dal/dc/irq/irq_service.c new file mode 100644 index 000000000000..137233134a53 --- /dev/null +++ b/drivers/gpu/drm/amd/dal/dc/irq/irq_service.c @@ -0,0 +1,177 @@ +/* + * Copyright 2012-15 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 + * + */ + +#include "dm_services.h" + +#include "include/irq_service_interface.h" +#include "include/logger_interface.h" + +#if defined(CONFIG_DRM_AMD_DAL_DCE11_0) +#include "dce110/irq_service_dce110.h" +#endif + +#include "irq_service.h" + +bool dal_irq_service_construct( + struct irq_service *irq_service, + struct irq_service_init_data *init_data) +{ + if (!init_data || !init_data->ctx) + return false; + + irq_service->ctx = init_data->ctx; + return true; +} + +struct irq_service *dal_irq_service_create( + enum dce_version version, + struct irq_service_init_data *init_data) +{ + switch (version) { +#if defined(CONFIG_DRM_AMD_DAL_DCE10_0) + case DCE_VERSION_10_0: + return dal_irq_service_dce110_create(init_data); +#endif +#if defined(CONFIG_DRM_AMD_DAL_DCE11_0) + case DCE_VERSION_11_0: + return dal_irq_service_dce110_create(init_data); +#endif + default: + return NULL; + } +} + +void dal_irq_service_destroy(struct irq_service **irq_service) +{ + if (!irq_service || !*irq_service) { + BREAK_TO_DEBUGGER(); + return; + } + + dm_free((*irq_service)->ctx, *irq_service); + + *irq_service = NULL; +} + +const struct irq_source_info *find_irq_source_info( + struct irq_service *irq_service, + enum dc_irq_source source) +{ + if (source > DAL_IRQ_SOURCES_NUMBER || source < DC_IRQ_SOURCE_INVALID) + return NULL; + + return &irq_service->info[source]; +} + +void dal_irq_service_set_generic( + struct irq_service *irq_service, + const struct irq_source_info *info, + bool enable) +{ + uint32_t addr = info->enable_reg; + uint32_t value = dm_read_reg(irq_service->ctx, addr); + + value = (value & ~info->enable_mask) | + (info->enable_value[enable ? 0 : 1] & info->enable_mask); + dm_write_reg(irq_service->ctx, addr, value); +} + +bool dal_irq_service_set( + struct irq_service *irq_service, + enum dc_irq_source source, + bool enable) +{ + const struct irq_source_info *info = + find_irq_source_info(irq_service, source); + + if (!info) { + dal_logger_write( + irq_service->ctx->logger, + LOG_MAJOR_ERROR, + LOG_MINOR_COMPONENT_IRQ_SERVICE, + "%s: cannot find irq info table entry for %d\n", + __func__, + source); + return false; + } + + dal_irq_service_ack(irq_service, source); + + if (info->funcs->set) + return info->funcs->set(irq_service, info, enable); + + dal_irq_service_set_generic(irq_service, info, enable); + + return true; +} + +void dal_irq_service_ack_generic( + struct irq_service *irq_service, + const struct irq_source_info *info) +{ + uint32_t addr = info->ack_reg; + uint32_t value = dm_read_reg(irq_service->ctx, addr); + + value = (value & ~info->ack_mask) | + (info->ack_value & info->ack_mask); + dm_write_reg(irq_service->ctx, addr, value); +} + +bool dal_irq_service_ack( + struct irq_service *irq_service, + enum dc_irq_source source) +{ + const struct irq_source_info *info = + find_irq_source_info(irq_service, source); + + if (!info) { + dal_logger_write( + irq_service->ctx->logger, + LOG_MAJOR_ERROR, + LOG_MINOR_COMPONENT_IRQ_SERVICE, + "%s: cannot find irq info table entry for %d\n", + __func__, + source); + return false; + } + + if (info->funcs->ack) + return info->funcs->ack(irq_service, info); + + dal_irq_service_ack_generic(irq_service, info); + + return true; +} + +enum dc_irq_source dal_irq_service_to_irq_source( + struct irq_service *irq_service, + uint32_t src_id, + uint32_t ext_id) +{ + return irq_service->funcs->to_dal_irq_source( + irq_service, + src_id, + ext_id); +} diff --git a/drivers/gpu/drm/amd/dal/dc/irq/irq_service.h b/drivers/gpu/drm/amd/dal/dc/irq/irq_service.h new file mode 100644 index 000000000000..a2a2d6965c2f --- /dev/null +++ b/drivers/gpu/drm/amd/dal/dc/irq/irq_service.h @@ -0,0 +1,85 @@ +/* + * Copyright 2012-15 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_IRQ_SERVICE_H__ +#define __DAL_IRQ_SERVICE_H__ + +#include "include/irq_service_interface.h" + +#include "irq_types.h" + +struct irq_service; +struct irq_source_info; + +struct irq_source_info_funcs { + bool (*set)( + struct irq_service *irq_service, + const struct irq_source_info *info, + bool enable); + bool (*ack)( + struct irq_service *irq_service, + const struct irq_source_info *info); +}; + +struct irq_source_info { + uint32_t src_id; + uint32_t ext_id; + uint32_t enable_reg; + uint32_t enable_mask; + uint32_t enable_value[2]; + uint32_t ack_reg; + uint32_t ack_mask; + uint32_t ack_value; + uint32_t status_reg; + const struct irq_source_info_funcs *funcs; +}; + +struct irq_service_funcs { + enum dc_irq_source (*to_dal_irq_source)( + struct irq_service *irq_service, + uint32_t src_id, + uint32_t ext_id); +}; + +struct irq_service { + struct dc_context *ctx; + const struct irq_source_info *info; + const struct irq_service_funcs *funcs; +}; + +bool dal_irq_service_construct( + struct irq_service *irq_service, + struct irq_service_init_data *init_data); + +void dal_irq_service_ack_generic( + struct irq_service *irq_service, + const struct irq_source_info *info); + +void dal_irq_service_set_generic( + struct irq_service *irq_service, + const struct irq_source_info *info, + bool enable); + +#endif