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// 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__OTG1_VERTICAL_INTERRUPT0_CONTROL:
return DC_IRQ_SOURCE_DC1_VLINE0;
case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL:
return DC_IRQ_SOURCE_DC2_VLINE0;
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
};
static const struct irq_source_info_funcs vline0_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 vline0_int_entry(reg_num)\
[DC_IRQ_SOURCE_DC1_VLINE0 + reg_num] = {\
IRQ_REG_ENTRY(OTG, reg_num,\
OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\
OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\
.funcs = &vline0_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),
vline0_int_entry(0),
vline0_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;
}
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