diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/irq/irq_service.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/irq/irq_service.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c index eca3d7ee7e4e..b595a11c5eaf 100644 --- a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c +++ b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c @@ -41,6 +41,16 @@ #include "reg_helper.h" #include "irq_service.h" +//HPD0_DC_HPD_INT_STATUS +#define HPD0_DC_HPD_INT_STATUS__DC_HPD_SENSE_DELAYED_MASK 0x00000010L +#define HPD0_DC_HPD_INT_CONTROL__DC_HPD_INT_POLARITY_MASK 0x00000100L +#define HPD0_DC_HPD_INT_STATUS__DC_HPD_SENSE_DELAYED__SHIFT 0x4 +#define HPD0_DC_HPD_INT_CONTROL__DC_HPD_INT_POLARITY__SHIFT 0x8 +//HPD1_DC_HPD_INT_STATUS +#define DC_HPD1_INT_STATUS__DC_HPD1_SENSE_DELAYED_MASK 0x10 +#define DC_HPD1_INT_STATUS__DC_HPD1_SENSE_DELAYED__SHIFT 0x4 +#define DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK 0x100 +#define DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY__SHIFT 0x8 #define CTX \ @@ -177,3 +187,57 @@ enum dc_irq_source dal_irq_service_to_irq_source( src_id, ext_id); } + +bool hpd0_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; +} + +bool hpd1_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_HPD1_INT_STATUS, + DC_HPD1_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_HPD1_INT_CONTROL, + DC_HPD1_INT_POLARITY); + + dm_write_reg(irq_service->ctx, info->enable_reg, value); + + return true; +} |