diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/irq/dcn303/irq_service_dcn303.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/irq/dcn303/irq_service_dcn303.c | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn303/irq_service_dcn303.c b/drivers/gpu/drm/amd/display/dc/irq/dcn303/irq_service_dcn303.c new file mode 100644 index 000000000000..66e60762388e --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/irq/dcn303/irq_service_dcn303.c @@ -0,0 +1,262 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright (C) 2021 Advanced Micro Devices, Inc. + * + * Authors: AMD + */ + +#include "dm_services.h" +#include "irq_service_dcn303.h" +#include "../dce110/irq_service_dce110.h" + +#include "sienna_cichlid_ip_offset.h" +#include "dcn/dcn_3_0_3_offset.h" +#include "dcn/dcn_3_0_3_sh_mask.h" + +#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h" + +static enum dc_irq_source to_dal_irq_source_dcn303(struct irq_service *irq_service, + uint32_t src_id, + uint32_t ext_id) +{ + switch (src_id) { + case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP: + return DC_IRQ_SOURCE_VBLANK1; + case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP: + return DC_IRQ_SOURCE_VBLANK2; + case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT: + return DC_IRQ_SOURCE_PFLIP1; + case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT: + return DC_IRQ_SOURCE_PFLIP2; + case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT: + return DC_IRQ_SOURCE_VUPDATE1; + case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT: + return DC_IRQ_SOURCE_VUPDATE2; + + case DCN_1_0__SRCID__DC_HPD1_INT: + /* generic src_id for all HPD and HPDRX interrupts */ + switch (ext_id) { + case DCN_1_0__CTXID__DC_HPD1_INT: + return DC_IRQ_SOURCE_HPD1; + case DCN_1_0__CTXID__DC_HPD2_INT: + return DC_IRQ_SOURCE_HPD2; + case DCN_1_0__CTXID__DC_HPD1_RX_INT: + return DC_IRQ_SOURCE_HPD1RX; + case DCN_1_0__CTXID__DC_HPD2_RX_INT: + return DC_IRQ_SOURCE_HPD2RX; + default: + return DC_IRQ_SOURCE_INVALID; + } + break; + + default: + return DC_IRQ_SOURCE_INVALID; + } +} + +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, HPD0_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, HPD0_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 vupdate_no_lock_irq_info_funcs = { + .set = NULL, + .ack = NULL +}; + +static const struct irq_source_info_funcs vblank_irq_info_funcs = { + .set = NULL, + .ack = NULL +}; + +#undef BASE_INNER +#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg + +/* compile time expand base address. */ +#define BASE(seg) BASE_INNER(seg) + +#define SRI(reg_name, block, id)\ + BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \ + mm ## block ## id ## _ ## reg_name + + +#define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\ + .enable_reg = SRI(reg1, block, reg_num),\ + .enable_mask = block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ + .enable_value = {\ + block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ + ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \ + },\ + .ack_reg = SRI(reg2, block, reg_num),\ + .ack_mask = block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\ + .ack_value = block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \ + + + +#define hpd_int_entry(reg_num)\ + [DC_IRQ_SOURCE_HPD1 + reg_num] = {\ + IRQ_REG_ENTRY(HPD, reg_num,\ + DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\ + DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\ + .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ + .funcs = &hpd_irq_info_funcs\ +} + +#define hpd_rx_int_entry(reg_num)\ + [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\ + IRQ_REG_ENTRY(HPD, reg_num,\ + DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\ + DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\ + .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ + .funcs = &hpd_rx_irq_info_funcs\ +} +#define pflip_int_entry(reg_num)\ + [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ + IRQ_REG_ENTRY(HUBPREQ, reg_num,\ + DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\ + DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\ + .funcs = &pflip_irq_info_funcs\ +} + +/* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic + * of DCE's DC_IRQ_SOURCE_VUPDATEx. + */ +#define vupdate_no_lock_int_entry(reg_num)\ + [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ + IRQ_REG_ENTRY(OTG, reg_num,\ + OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\ + OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\ + .funcs = &vupdate_no_lock_irq_info_funcs\ + } + +#define vblank_int_entry(reg_num)\ + [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ + IRQ_REG_ENTRY(OTG, reg_num,\ + OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\ + OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\ + .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 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 const struct irq_source_info_funcs dummy_irq_info_funcs = { + .set = dal_irq_service_dummy_set, + .ack = dal_irq_service_dummy_ack +}; + +static const struct irq_source_info irq_source_info_dcn303[DAL_IRQ_SOURCES_NUMBER] = { + [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), + hpd_int_entry(0), + hpd_int_entry(1), + hpd_rx_int_entry(0), + hpd_rx_int_entry(1), + i2c_int_entry(1), + i2c_int_entry(2), + dp_sink_int_entry(1), + dp_sink_int_entry(2), + [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), + pflip_int_entry(0), + pflip_int_entry(1), + [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_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), + [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), + vupdate_no_lock_int_entry(0), + vupdate_no_lock_int_entry(1), + vblank_int_entry(0), + vblank_int_entry(1), +}; + +static const struct irq_service_funcs irq_service_funcs_dcn303 = { + .to_dal_irq_source = to_dal_irq_source_dcn303 +}; + +static void dcn303_irq_construct(struct irq_service *irq_service, struct irq_service_init_data *init_data) +{ + dal_irq_service_construct(irq_service, init_data); + + irq_service->info = irq_source_info_dcn303; + irq_service->funcs = &irq_service_funcs_dcn303; +} + +struct irq_service *dal_irq_service_dcn303_create(struct irq_service_init_data *init_data) +{ + struct irq_service *irq_service = kzalloc(sizeof(*irq_service), GFP_KERNEL); + + if (!irq_service) + return NULL; + + dcn303_irq_construct(irq_service, init_data); + return irq_service; +} |