diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c | 603 |
1 files changed, 603 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c new file mode 100644 index 000000000000..cf139e9cc20e --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c @@ -0,0 +1,603 @@ +// SPDX-License-Identifier: MIT +// +// Copyright 2024 Advanced Micro Devices, Inc. + +#include "../dmub_srv.h" +#include "dmub_reg.h" +#include "dmub_dcn401.h" + +#include "dcn/dcn_4_1_0_offset.h" +#include "dcn/dcn_4_1_0_sh_mask.h" + +#define DCN_BASE__INST0_SEG2 0x000034C0 + +#define BASE_INNER(seg) DCN_BASE__INST0_SEG##seg +#define CTX dmub +#define REGS dmub->regs_dcn401 +#define REG_OFFSET_EXP(reg_name) (BASE(reg##reg_name##_BASE_IDX) + reg##reg_name) + +const struct dmub_srv_dcn401_regs dmub_srv_dcn401_regs = { +#define DMUB_SR(reg) REG_OFFSET_EXP(reg), + { + DMUB_DCN401_REGS() + DMCUB_INTERNAL_REGS() + }, +#undef DMUB_SR + +#define DMUB_SF(reg, field) FD_MASK(reg, field), + { DMUB_DCN401_FIELDS() }, +#undef DMUB_SF + +#define DMUB_SF(reg, field) FD_SHIFT(reg, field), + { DMUB_DCN401_FIELDS() }, +#undef DMUB_SF +}; + +static void dmub_dcn401_get_fb_base_offset(struct dmub_srv *dmub, + uint64_t *fb_base, + uint64_t *fb_offset) +{ + uint32_t tmp; + + if (dmub->fb_base || dmub->fb_offset) { + *fb_base = dmub->fb_base; + *fb_offset = dmub->fb_offset; + return; + } + + REG_GET(DCN_VM_FB_LOCATION_BASE, FB_BASE, &tmp); + *fb_base = (uint64_t)tmp << 24; + + REG_GET(DCN_VM_FB_OFFSET, FB_OFFSET, &tmp); + *fb_offset = (uint64_t)tmp << 24; +} + +static inline void dmub_dcn401_translate_addr(const union dmub_addr *addr_in, + uint64_t fb_base, + uint64_t fb_offset, + union dmub_addr *addr_out) +{ + addr_out->quad_part = addr_in->quad_part - fb_base + fb_offset; +} + +void dmub_dcn401_reset(struct dmub_srv *dmub) +{ + union dmub_gpint_data_register cmd; + const uint32_t timeout = 30; + uint32_t in_reset, scratch, i; + + REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &in_reset); + + if (in_reset == 0) { + cmd.bits.status = 1; + cmd.bits.command_code = DMUB_GPINT__STOP_FW; + cmd.bits.param = 0; + + dmub->hw_funcs.set_gpint(dmub, cmd); + + /** + * Timeout covers both the ACK and the wait + * for remaining work to finish. + * + * This is mostly bound by the PHY disable sequence. + * Each register check will be greater than 1us, so + * don't bother using udelay. + */ + + for (i = 0; i < timeout; ++i) { + if (dmub->hw_funcs.is_gpint_acked(dmub, cmd)) + break; + } + + for (i = 0; i < timeout; ++i) { + scratch = dmub->hw_funcs.get_gpint_response(dmub); + if (scratch == DMUB_GPINT__STOP_FW_RESPONSE) + break; + } + + /* Force reset in case we timed out, DMCUB is likely hung. */ + } + + REG_UPDATE(DMCUB_CNTL2, DMCUB_SOFT_RESET, 1); + REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0); + REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 1); + REG_WRITE(DMCUB_INBOX1_RPTR, 0); + REG_WRITE(DMCUB_INBOX1_WPTR, 0); + REG_WRITE(DMCUB_OUTBOX1_RPTR, 0); + REG_WRITE(DMCUB_OUTBOX1_WPTR, 0); + REG_WRITE(DMCUB_OUTBOX0_RPTR, 0); + REG_WRITE(DMCUB_OUTBOX0_WPTR, 0); + REG_WRITE(DMCUB_SCRATCH0, 0); + + /* Clear the GPINT command manually so we don't reset again. */ + cmd.all = 0; + dmub->hw_funcs.set_gpint(dmub, cmd); +} + +void dmub_dcn401_reset_release(struct dmub_srv *dmub) +{ + REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 0); + REG_WRITE(DMCUB_SCRATCH15, dmub->psp_version & 0x001100FF); + REG_UPDATE_2(DMCUB_CNTL, DMCUB_ENABLE, 1, DMCUB_TRACEPORT_EN, 1); + REG_UPDATE(DMCUB_CNTL2, DMCUB_SOFT_RESET, 0); +} + +void dmub_dcn401_backdoor_load(struct dmub_srv *dmub, + const struct dmub_window *cw0, + const struct dmub_window *cw1) +{ + union dmub_addr offset; + uint64_t fb_base, fb_offset; + + dmub_dcn401_get_fb_base_offset(dmub, &fb_base, &fb_offset); + + REG_UPDATE(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 1); + + dmub_dcn401_translate_addr(&cw0->offset, fb_base, fb_offset, &offset); + + REG_WRITE(DMCUB_REGION3_CW0_OFFSET, offset.u.low_part); + REG_WRITE(DMCUB_REGION3_CW0_OFFSET_HIGH, offset.u.high_part); + REG_WRITE(DMCUB_REGION3_CW0_BASE_ADDRESS, cw0->region.base); + REG_SET_2(DMCUB_REGION3_CW0_TOP_ADDRESS, 0, + DMCUB_REGION3_CW0_TOP_ADDRESS, cw0->region.top, + DMCUB_REGION3_CW0_ENABLE, 1); + + dmub_dcn401_translate_addr(&cw1->offset, fb_base, fb_offset, &offset); + + REG_WRITE(DMCUB_REGION3_CW1_OFFSET, offset.u.low_part); + REG_WRITE(DMCUB_REGION3_CW1_OFFSET_HIGH, offset.u.high_part); + REG_WRITE(DMCUB_REGION3_CW1_BASE_ADDRESS, cw1->region.base); + REG_SET_2(DMCUB_REGION3_CW1_TOP_ADDRESS, 0, + DMCUB_REGION3_CW1_TOP_ADDRESS, cw1->region.top, + DMCUB_REGION3_CW1_ENABLE, 1); + + REG_UPDATE_2(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 0, DMCUB_MEM_UNIT_ID, + 0x20); +} + +void dmub_dcn401_backdoor_load_zfb_mode(struct dmub_srv *dmub, + const struct dmub_window *cw0, + const struct dmub_window *cw1) +{ + union dmub_addr offset; + + REG_UPDATE(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 1); + + offset = cw0->offset; + + REG_WRITE(DMCUB_REGION3_CW0_OFFSET, offset.u.low_part); + REG_WRITE(DMCUB_REGION3_CW0_OFFSET_HIGH, offset.u.high_part); + REG_WRITE(DMCUB_REGION3_CW0_BASE_ADDRESS, cw0->region.base); + REG_SET_2(DMCUB_REGION3_CW0_TOP_ADDRESS, 0, + DMCUB_REGION3_CW0_TOP_ADDRESS, cw0->region.top, + DMCUB_REGION3_CW0_ENABLE, 1); + + offset = cw1->offset; + + REG_WRITE(DMCUB_REGION3_CW1_OFFSET, offset.u.low_part); + REG_WRITE(DMCUB_REGION3_CW1_OFFSET_HIGH, offset.u.high_part); + REG_WRITE(DMCUB_REGION3_CW1_BASE_ADDRESS, cw1->region.base); + REG_SET_2(DMCUB_REGION3_CW1_TOP_ADDRESS, 0, + DMCUB_REGION3_CW1_TOP_ADDRESS, cw1->region.top, + DMCUB_REGION3_CW1_ENABLE, 1); + + REG_UPDATE_2(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 0, DMCUB_MEM_UNIT_ID, + 0x20); +} + +void dmub_dcn401_setup_windows(struct dmub_srv *dmub, + const struct dmub_window *cw2, + const struct dmub_window *cw3, + const struct dmub_window *cw4, + const struct dmub_window *cw5, + const struct dmub_window *cw6, + const struct dmub_window *region6) +{ + union dmub_addr offset; + + offset = cw3->offset; + + REG_WRITE(DMCUB_REGION3_CW3_OFFSET, offset.u.low_part); + REG_WRITE(DMCUB_REGION3_CW3_OFFSET_HIGH, offset.u.high_part); + REG_WRITE(DMCUB_REGION3_CW3_BASE_ADDRESS, cw3->region.base); + REG_SET_2(DMCUB_REGION3_CW3_TOP_ADDRESS, 0, + DMCUB_REGION3_CW3_TOP_ADDRESS, cw3->region.top, + DMCUB_REGION3_CW3_ENABLE, 1); + + offset = cw4->offset; + + REG_WRITE(DMCUB_REGION3_CW4_OFFSET, offset.u.low_part); + REG_WRITE(DMCUB_REGION3_CW4_OFFSET_HIGH, offset.u.high_part); + REG_WRITE(DMCUB_REGION3_CW4_BASE_ADDRESS, cw4->region.base); + REG_SET_2(DMCUB_REGION3_CW4_TOP_ADDRESS, 0, + DMCUB_REGION3_CW4_TOP_ADDRESS, cw4->region.top, + DMCUB_REGION3_CW4_ENABLE, 1); + + offset = cw5->offset; + + REG_WRITE(DMCUB_REGION3_CW5_OFFSET, offset.u.low_part); + REG_WRITE(DMCUB_REGION3_CW5_OFFSET_HIGH, offset.u.high_part); + REG_WRITE(DMCUB_REGION3_CW5_BASE_ADDRESS, cw5->region.base); + REG_SET_2(DMCUB_REGION3_CW5_TOP_ADDRESS, 0, + DMCUB_REGION3_CW5_TOP_ADDRESS, cw5->region.top, + DMCUB_REGION3_CW5_ENABLE, 1); + + REG_WRITE(DMCUB_REGION5_OFFSET, offset.u.low_part); + REG_WRITE(DMCUB_REGION5_OFFSET_HIGH, offset.u.high_part); + REG_SET_2(DMCUB_REGION5_TOP_ADDRESS, 0, + DMCUB_REGION5_TOP_ADDRESS, + cw5->region.top - cw5->region.base - 1, + DMCUB_REGION5_ENABLE, 1); + + offset = cw6->offset; + + REG_WRITE(DMCUB_REGION3_CW6_OFFSET, offset.u.low_part); + REG_WRITE(DMCUB_REGION3_CW6_OFFSET_HIGH, offset.u.high_part); + REG_WRITE(DMCUB_REGION3_CW6_BASE_ADDRESS, cw6->region.base); + REG_SET_2(DMCUB_REGION3_CW6_TOP_ADDRESS, 0, + DMCUB_REGION3_CW6_TOP_ADDRESS, cw6->region.top, + DMCUB_REGION3_CW6_ENABLE, 1); + + offset = region6->offset; + + REG_WRITE(DMCUB_REGION6_OFFSET, offset.u.low_part); + REG_WRITE(DMCUB_REGION6_OFFSET_HIGH, offset.u.high_part); + REG_SET_2(DMCUB_REGION6_TOP_ADDRESS, 0, + DMCUB_REGION6_TOP_ADDRESS, + region6->region.top - region6->region.base - 1, + DMCUB_REGION6_ENABLE, 1); +} + +void dmub_dcn401_setup_mailbox(struct dmub_srv *dmub, + const struct dmub_region *inbox1) +{ + REG_WRITE(DMCUB_INBOX1_BASE_ADDRESS, inbox1->base); + REG_WRITE(DMCUB_INBOX1_SIZE, inbox1->top - inbox1->base); +} + +uint32_t dmub_dcn401_get_inbox1_wptr(struct dmub_srv *dmub) +{ + return REG_READ(DMCUB_INBOX1_WPTR); +} + +uint32_t dmub_dcn401_get_inbox1_rptr(struct dmub_srv *dmub) +{ + return REG_READ(DMCUB_INBOX1_RPTR); +} + +void dmub_dcn401_set_inbox1_wptr(struct dmub_srv *dmub, uint32_t wptr_offset) +{ + REG_WRITE(DMCUB_INBOX1_WPTR, wptr_offset); +} + +void dmub_dcn401_setup_out_mailbox(struct dmub_srv *dmub, + const struct dmub_region *outbox1) +{ + REG_WRITE(DMCUB_OUTBOX1_BASE_ADDRESS, outbox1->base); + REG_WRITE(DMCUB_OUTBOX1_SIZE, outbox1->top - outbox1->base); +} + +uint32_t dmub_dcn401_get_outbox1_wptr(struct dmub_srv *dmub) +{ + /** + * outbox1 wptr register is accessed without locks (dal & dc) + * and to be called only by dmub_srv_stat_get_notification() + */ + return REG_READ(DMCUB_OUTBOX1_WPTR); +} + +void dmub_dcn401_set_outbox1_rptr(struct dmub_srv *dmub, uint32_t rptr_offset) +{ + /** + * outbox1 rptr register is accessed without locks (dal & dc) + * and to be called only by dmub_srv_stat_get_notification() + */ + REG_WRITE(DMCUB_OUTBOX1_RPTR, rptr_offset); +} + +bool dmub_dcn401_is_hw_init(struct dmub_srv *dmub) +{ + union dmub_fw_boot_status status; + uint32_t is_hw_init; + + status.all = REG_READ(DMCUB_SCRATCH0); + REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_hw_init); + + return is_hw_init != 0 && status.bits.dal_fw; +} + +bool dmub_dcn401_is_supported(struct dmub_srv *dmub) +{ + uint32_t supported = 0; + + REG_GET(CC_DC_PIPE_DIS, DC_DMCUB_ENABLE, &supported); + + return supported; +} + +void dmub_dcn401_set_gpint(struct dmub_srv *dmub, + union dmub_gpint_data_register reg) +{ + REG_WRITE(DMCUB_GPINT_DATAIN1, reg.all); +} + +bool dmub_dcn401_is_gpint_acked(struct dmub_srv *dmub, + union dmub_gpint_data_register reg) +{ + union dmub_gpint_data_register test; + + reg.bits.status = 0; + test.all = REG_READ(DMCUB_GPINT_DATAIN1); + + return test.all == reg.all; +} + +uint32_t dmub_dcn401_get_gpint_response(struct dmub_srv *dmub) +{ + return REG_READ(DMCUB_SCRATCH7); +} + +uint32_t dmub_dcn401_get_gpint_dataout(struct dmub_srv *dmub) +{ + uint32_t dataout = REG_READ(DMCUB_GPINT_DATAOUT); + + REG_UPDATE(DMCUB_INTERRUPT_ENABLE, DMCUB_GPINT_IH_INT_EN, 0); + + REG_WRITE(DMCUB_GPINT_DATAOUT, 0); + REG_UPDATE(DMCUB_INTERRUPT_ACK, DMCUB_GPINT_IH_INT_ACK, 1); + REG_UPDATE(DMCUB_INTERRUPT_ACK, DMCUB_GPINT_IH_INT_ACK, 0); + + REG_UPDATE(DMCUB_INTERRUPT_ENABLE, DMCUB_GPINT_IH_INT_EN, 1); + + return dataout; +} + +union dmub_fw_boot_status dmub_dcn401_get_fw_boot_status(struct dmub_srv *dmub) +{ + union dmub_fw_boot_status status; + + status.all = REG_READ(DMCUB_SCRATCH0); + return status; +} + +void dmub_dcn401_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmub_srv_hw_params *params) +{ + union dmub_fw_boot_options boot_options = {0}; + + boot_options.bits.z10_disable = params->disable_z10; + + boot_options.bits.skip_phy_access = params->disallow_phy_access; + + REG_WRITE(DMCUB_SCRATCH14, boot_options.all); +} + +void dmub_dcn401_skip_dmub_panel_power_sequence(struct dmub_srv *dmub, bool skip) +{ + union dmub_fw_boot_options boot_options; + boot_options.all = REG_READ(DMCUB_SCRATCH14); + boot_options.bits.skip_phy_init_panel_sequence = skip; + REG_WRITE(DMCUB_SCRATCH14, boot_options.all); +} + +void dmub_dcn401_setup_outbox0(struct dmub_srv *dmub, + const struct dmub_region *outbox0) +{ + REG_WRITE(DMCUB_OUTBOX0_BASE_ADDRESS, outbox0->base); + + REG_WRITE(DMCUB_OUTBOX0_SIZE, outbox0->top - outbox0->base); +} + +uint32_t dmub_dcn401_get_outbox0_wptr(struct dmub_srv *dmub) +{ + return REG_READ(DMCUB_OUTBOX0_WPTR); +} + +void dmub_dcn401_set_outbox0_rptr(struct dmub_srv *dmub, uint32_t rptr_offset) +{ + REG_WRITE(DMCUB_OUTBOX0_RPTR, rptr_offset); +} + +uint32_t dmub_dcn401_get_current_time(struct dmub_srv *dmub) +{ + return REG_READ(DMCUB_TIMER_CURRENT); +} + +void dmub_dcn401_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnostic_data *diag_data) +{ + uint32_t is_dmub_enabled, is_soft_reset, is_sec_reset; + uint32_t is_traceport_enabled, is_cw0_enabled, is_cw6_enabled; + + if (!dmub || !diag_data) + return; + + memset(diag_data, 0, sizeof(*diag_data)); + + diag_data->dmcub_version = dmub->fw_version; + + diag_data->scratch[0] = REG_READ(DMCUB_SCRATCH0); + diag_data->scratch[1] = REG_READ(DMCUB_SCRATCH1); + diag_data->scratch[2] = REG_READ(DMCUB_SCRATCH2); + diag_data->scratch[3] = REG_READ(DMCUB_SCRATCH3); + diag_data->scratch[4] = REG_READ(DMCUB_SCRATCH4); + diag_data->scratch[5] = REG_READ(DMCUB_SCRATCH5); + diag_data->scratch[6] = REG_READ(DMCUB_SCRATCH6); + diag_data->scratch[7] = REG_READ(DMCUB_SCRATCH7); + diag_data->scratch[8] = REG_READ(DMCUB_SCRATCH8); + diag_data->scratch[9] = REG_READ(DMCUB_SCRATCH9); + diag_data->scratch[10] = REG_READ(DMCUB_SCRATCH10); + diag_data->scratch[11] = REG_READ(DMCUB_SCRATCH11); + diag_data->scratch[12] = REG_READ(DMCUB_SCRATCH12); + diag_data->scratch[13] = REG_READ(DMCUB_SCRATCH13); + diag_data->scratch[14] = REG_READ(DMCUB_SCRATCH14); + diag_data->scratch[15] = REG_READ(DMCUB_SCRATCH15); + diag_data->scratch[16] = REG_READ(DMCUB_SCRATCH16); + + diag_data->undefined_address_fault_addr = REG_READ(DMCUB_UNDEFINED_ADDRESS_FAULT_ADDR); + diag_data->inst_fetch_fault_addr = REG_READ(DMCUB_INST_FETCH_FAULT_ADDR); + diag_data->data_write_fault_addr = REG_READ(DMCUB_DATA_WRITE_FAULT_ADDR); + + diag_data->inbox1_rptr = REG_READ(DMCUB_INBOX1_RPTR); + diag_data->inbox1_wptr = REG_READ(DMCUB_INBOX1_WPTR); + diag_data->inbox1_size = REG_READ(DMCUB_INBOX1_SIZE); + + diag_data->inbox0_rptr = REG_READ(DMCUB_INBOX0_RPTR); + diag_data->inbox0_wptr = REG_READ(DMCUB_INBOX0_WPTR); + diag_data->inbox0_size = REG_READ(DMCUB_INBOX0_SIZE); + + REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_dmub_enabled); + diag_data->is_dmcub_enabled = is_dmub_enabled; + + REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &is_soft_reset); + diag_data->is_dmcub_soft_reset = is_soft_reset; + + REG_GET(DMCUB_SEC_CNTL, DMCUB_SEC_RESET_STATUS, &is_sec_reset); + diag_data->is_dmcub_secure_reset = is_sec_reset; + + REG_GET(DMCUB_CNTL, DMCUB_TRACEPORT_EN, &is_traceport_enabled); + diag_data->is_traceport_en = is_traceport_enabled; + + REG_GET(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_ENABLE, &is_cw0_enabled); + diag_data->is_cw0_enabled = is_cw0_enabled; + + REG_GET(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE, &is_cw6_enabled); + diag_data->is_cw6_enabled = is_cw6_enabled; + + diag_data->gpint_datain0 = REG_READ(DMCUB_GPINT_DATAIN0); + diag_data->timeout_info = dmub->debug; +} +void dmub_dcn401_configure_dmub_in_system_memory(struct dmub_srv *dmub) +{ + /* DMCUB_REGION3_TMR_AXI_SPACE values: + * 0b011 (0x3) - FB physical address + * 0b100 (0x4) - GPU virtual address + * + * Default value is 0x3 (FB Physical address for TMR). When programming + * DMUB to be in system memory, change to 0x4. The system memory allocated + * is accessible by both GPU and CPU, so we use GPU virtual address. + */ + REG_WRITE(DMCUB_REGION3_TMR_AXI_SPACE, 0x4); +} + +void dmub_dcn401_send_inbox0_cmd(struct dmub_srv *dmub, union dmub_inbox0_data_register data) +{ + REG_WRITE(DMCUB_INBOX0_WPTR, data.inbox0_cmd_common.all); +} + +void dmub_dcn401_clear_inbox0_ack_register(struct dmub_srv *dmub) +{ + REG_WRITE(DMCUB_SCRATCH17, 0); +} + +uint32_t dmub_dcn401_read_inbox0_ack_register(struct dmub_srv *dmub) +{ + return REG_READ(DMCUB_SCRATCH17); +} + +void dmub_dcn401_send_reg_inbox0_cmd_msg(struct dmub_srv *dmub, + union dmub_rb_cmd *cmd) +{ + uint32_t *dwords = (uint32_t *)cmd; + + static_assert(sizeof(*cmd) == 64, "DMUB command size mismatch"); + + REG_WRITE(DMCUB_REG_INBOX0_MSG0, dwords[0]); + REG_WRITE(DMCUB_REG_INBOX0_MSG1, dwords[1]); + REG_WRITE(DMCUB_REG_INBOX0_MSG2, dwords[2]); + REG_WRITE(DMCUB_REG_INBOX0_MSG3, dwords[3]); + REG_WRITE(DMCUB_REG_INBOX0_MSG4, dwords[4]); + REG_WRITE(DMCUB_REG_INBOX0_MSG5, dwords[5]); + REG_WRITE(DMCUB_REG_INBOX0_MSG6, dwords[6]); + REG_WRITE(DMCUB_REG_INBOX0_MSG7, dwords[7]); + REG_WRITE(DMCUB_REG_INBOX0_MSG8, dwords[8]); + REG_WRITE(DMCUB_REG_INBOX0_MSG9, dwords[9]); + REG_WRITE(DMCUB_REG_INBOX0_MSG10, dwords[10]); + REG_WRITE(DMCUB_REG_INBOX0_MSG11, dwords[11]); + REG_WRITE(DMCUB_REG_INBOX0_MSG12, dwords[12]); + REG_WRITE(DMCUB_REG_INBOX0_MSG13, dwords[13]); + REG_WRITE(DMCUB_REG_INBOX0_MSG14, dwords[14]); + /* writing to INBOX RDY register will trigger DMUB REG INBOX0 RDY + * interrupt. + */ + REG_WRITE(DMCUB_REG_INBOX0_RDY, dwords[15]); +} + +uint32_t dmub_dcn401_read_reg_inbox0_rsp_int_status(struct dmub_srv *dmub) +{ + uint32_t status; + + REG_GET(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_STAT, &status); + return status; +} + +void dmub_dcn401_read_reg_inbox0_cmd_rsp(struct dmub_srv *dmub, + union dmub_rb_cmd *cmd) +{ + uint32_t *dwords = (uint32_t *)cmd; + + static_assert(sizeof(*cmd) == 64, "DMUB command size mismatch"); + + dwords[0] = REG_READ(DMCUB_REG_INBOX0_MSG0); + dwords[1] = REG_READ(DMCUB_REG_INBOX0_MSG1); + dwords[2] = REG_READ(DMCUB_REG_INBOX0_MSG2); + dwords[3] = REG_READ(DMCUB_REG_INBOX0_MSG3); + dwords[4] = REG_READ(DMCUB_REG_INBOX0_MSG4); + dwords[5] = REG_READ(DMCUB_REG_INBOX0_MSG5); + dwords[6] = REG_READ(DMCUB_REG_INBOX0_MSG6); + dwords[7] = REG_READ(DMCUB_REG_INBOX0_MSG7); + dwords[8] = REG_READ(DMCUB_REG_INBOX0_MSG8); + dwords[9] = REG_READ(DMCUB_REG_INBOX0_MSG9); + dwords[10] = REG_READ(DMCUB_REG_INBOX0_MSG10); + dwords[11] = REG_READ(DMCUB_REG_INBOX0_MSG11); + dwords[12] = REG_READ(DMCUB_REG_INBOX0_MSG12); + dwords[13] = REG_READ(DMCUB_REG_INBOX0_MSG13); + dwords[14] = REG_READ(DMCUB_REG_INBOX0_MSG14); + dwords[15] = REG_READ(DMCUB_REG_INBOX0_RSP); +} + +void dmub_dcn401_write_reg_inbox0_rsp_int_ack(struct dmub_srv *dmub) +{ + REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_ACK, 1); + REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_ACK, 0); +} + +void dmub_dcn401_write_reg_outbox0_rdy_int_ack(struct dmub_srv *dmub) +{ + REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_ACK, 1); + REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_ACK, 0); +} + +void dmub_dcn401_read_reg_outbox0_msg(struct dmub_srv *dmub, uint32_t *msg) +{ + *msg = REG_READ(DMCUB_REG_OUTBOX0_MSG0); +} + +void dmub_dcn401_write_reg_outbox0_rsp(struct dmub_srv *dmub, uint32_t *rsp) +{ + REG_WRITE(DMCUB_REG_OUTBOX0_RSP, *rsp); +} + +uint32_t dmub_dcn401_read_reg_outbox0_rsp_int_status(struct dmub_srv *dmub) +{ + uint32_t status; + + REG_GET(DMCUB_INTERRUPT_STATUS, DMCUB_REG_OUTBOX0_RSP_INT_STAT, &status); + return status; +} + +void dmub_dcn401_enable_reg_inbox0_rsp_int(struct dmub_srv *dmub, bool enable) +{ + REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_EN, enable ? 1:0); +} + +void dmub_dcn401_enable_reg_outbox0_rdy_int(struct dmub_srv *dmub, bool enable) +{ + REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_EN, enable ? 1:0); +} + +uint32_t dmub_dcn401_read_reg_outbox0_rdy_int_status(struct dmub_srv *dmub) +{ + uint32_t status; + + REG_GET(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_STAT, &status); + return status; +} |