| /* |
| * 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 <linux/slab.h> |
| |
| #include "dm_services.h" |
| |
| #include "include/logger_interface.h" |
| |
| #include "irq_service_dce80.h" |
| #include "../dce110/irq_service_dce110.h" |
| |
| #include "dce/dce_8_0_d.h" |
| #include "dce/dce_8_0_sh_mask.h" |
| |
| #include "ivsrcid/ivsrcid_vislands30.h" |
| |
| #include "dc_types.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_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; |
| } |
| |
| 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 = dce110_vblank_set, |
| .ack = NULL |
| }; |
| |
| static const struct irq_source_info_funcs vupdate_irq_info_funcs = { |
| .set = NULL, |
| .ack = NULL |
| }; |
| |
| #define hpd_int_entry(reg_num)\ |
| [DC_IRQ_SOURCE_INVALID + reg_num] = {\ |
| .enable_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ |
| .enable_mask = DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK,\ |
| .enable_value = {\ |
| DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK,\ |
| ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK\ |
| },\ |
| .ack_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ |
| .ack_mask = DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK,\ |
| .ack_value = DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK,\ |
| .status_reg = mmDC_HPD ## reg_num ## _INT_STATUS,\ |
| .funcs = &hpd_irq_info_funcs\ |
| } |
| |
| #define hpd_rx_int_entry(reg_num)\ |
| [DC_IRQ_SOURCE_HPD6 + reg_num] = {\ |
| .enable_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ |
| .enable_mask = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK,\ |
| .enable_value = {\ |
| DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK,\ |
| ~DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK },\ |
| .ack_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ |
| .ack_mask = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_ACK_MASK,\ |
| .ack_value = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_ACK_MASK,\ |
| .status_reg = mmDC_HPD ## reg_num ## _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 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 = &vupdate_irq_info_funcs\ |
| } |
| |
| #define vblank_int_entry(reg_num)\ |
| [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ |
| .enable_reg = mmCRTC ## reg_num ## _CRTC_VERTICAL_INTERRUPT0_CONTROL,\ |
| .enable_mask =\ |
| CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK,\ |
| .enable_value = {\ |
| CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK,\ |
| ~CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK},\ |
| .ack_reg = mmCRTC ## reg_num ## _CRTC_VERTICAL_INTERRUPT0_CONTROL,\ |
| .ack_mask =\ |
| CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_CLEAR_MASK,\ |
| .ack_value =\ |
| CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_CLEAR_MASK,\ |
| .funcs = &vblank_irq_info_funcs,\ |
| .src_id = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0 + reg_num\ |
| } |
| |
| #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_dce80[DAL_IRQ_SOURCES_NUMBER] = { |
| [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), |
| hpd_int_entry(1), |
| hpd_int_entry(2), |
| hpd_int_entry(3), |
| hpd_int_entry(4), |
| hpd_int_entry(5), |
| hpd_int_entry(6), |
| 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), |
| hpd_rx_int_entry(6), |
| i2c_int_entry(1), |
| i2c_int_entry(2), |
| i2c_int_entry(3), |
| i2c_int_entry(4), |
| i2c_int_entry(5), |
| i2c_int_entry(6), |
| 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), |
| [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), |
| vblank_int_entry(0), |
| vblank_int_entry(1), |
| vblank_int_entry(2), |
| vblank_int_entry(3), |
| vblank_int_entry(4), |
| vblank_int_entry(5), |
| }; |
| |
| static const struct irq_service_funcs irq_service_funcs_dce80 = { |
| .to_dal_irq_source = to_dal_irq_source_dce110 |
| }; |
| |
| static void dce80_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_dce80; |
| irq_service->funcs = &irq_service_funcs_dce80; |
| } |
| |
| struct irq_service *dal_irq_service_dce80_create( |
| struct irq_service_init_data *init_data) |
| { |
| struct irq_service *irq_service = kzalloc(sizeof(*irq_service), |
| GFP_KERNEL); |
| |
| if (!irq_service) |
| return NULL; |
| |
| dce80_irq_construct(irq_service, init_data); |
| return irq_service; |
| } |
| |
| |