diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/inc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 289 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h | 48 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_vbios.h | 41 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_fw_meta.h | 63 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h | 154 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h | 523 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_trace_buffer.h | 69 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_types.h | 64 |
8 files changed, 1251 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h new file mode 100644 index 000000000000..cd9532b4f14d --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -0,0 +1,289 @@ +/* + * Copyright 2019 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 + * + */ + +#ifndef _DMUB_CMD_H_ +#define _DMUB_CMD_H_ + +#include "dmub_types.h" +#include "dmub_cmd_dal.h" +#include "dmub_cmd_vbios.h" +#include "atomfirmware.h" + +#define DMUB_RB_CMD_SIZE 64 +#define DMUB_RB_MAX_ENTRY 128 +#define DMUB_RB_SIZE (DMUB_RB_CMD_SIZE * DMUB_RB_MAX_ENTRY) +#define REG_SET_MASK 0xFFFF + + +/* + * Command IDs should be treated as stable ABI. + * Do not reuse or modify IDs. + */ + +enum dmub_cmd_type { + DMUB_CMD__NULL = 0, + DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE = 1, + DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ = 2, + DMUB_CMD__REG_SEQ_BURST_WRITE = 3, + DMUB_CMD__REG_REG_WAIT = 4, + DMUB_CMD__PLAT_54186_WA = 5, + DMUB_CMD__PSR = 64, + DMUB_CMD__VBIOS = 128, +}; + +#pragma pack(push, 1) + +struct dmub_cmd_header { + unsigned int type : 8; + unsigned int sub_type : 8; + unsigned int reserved0 : 8; + unsigned int payload_bytes : 6; /* up to 60 bytes */ + unsigned int reserved1 : 2; +}; + +/* + * Read modify write + * + * 60 payload bytes can hold up to 5 sets of read modify writes, + * each take 3 dwords. + * + * number of sequences = header.payload_bytes / sizeof(struct dmub_cmd_read_modify_write_sequence) + * + * modify_mask = 0xffff'ffff means all fields are going to be updated. in this case + * command parser will skip the read and we can use modify_mask = 0xffff'ffff as reg write + */ +struct dmub_cmd_read_modify_write_sequence { + uint32_t addr; + uint32_t modify_mask; + uint32_t modify_value; +}; + +#define DMUB_READ_MODIFY_WRITE_SEQ__MAX 5 +struct dmub_rb_cmd_read_modify_write { + struct dmub_cmd_header header; // type = DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE + struct dmub_cmd_read_modify_write_sequence seq[DMUB_READ_MODIFY_WRITE_SEQ__MAX]; +}; + +/* + * Update a register with specified masks and values sequeunce + * + * 60 payload bytes can hold address + up to 7 sets of mask/value combo, each take 2 dword + * + * number of field update sequence = (header.payload_bytes - sizeof(addr)) / sizeof(struct read_modify_write_sequence) + * + * + * USE CASE: + * 1. auto-increment register where additional read would update pointer and produce wrong result + * 2. toggle a bit without read in the middle + */ + +struct dmub_cmd_reg_field_update_sequence { + uint32_t modify_mask; // 0xffff'ffff to skip initial read + uint32_t modify_value; +}; + +#define DMUB_REG_FIELD_UPDATE_SEQ__MAX 7 + +struct dmub_rb_cmd_reg_field_update_sequence { + struct dmub_cmd_header header; + uint32_t addr; + struct dmub_cmd_reg_field_update_sequence seq[DMUB_REG_FIELD_UPDATE_SEQ__MAX]; +}; + + +/* + * Burst write + * + * support use case such as writing out LUTs. + * + * 60 payload bytes can hold up to 14 values to write to given address + * + * number of payload = header.payload_bytes / sizeof(struct read_modify_write_sequence) + */ +#define DMUB_BURST_WRITE_VALUES__MAX 14 +struct dmub_rb_cmd_burst_write { + struct dmub_cmd_header header; // type = DMUB_CMD__REG_SEQ_BURST_WRITE + uint32_t addr; + uint32_t write_values[DMUB_BURST_WRITE_VALUES__MAX]; +}; + + +struct dmub_rb_cmd_common { + struct dmub_cmd_header header; + uint8_t cmd_buffer[DMUB_RB_CMD_SIZE - sizeof(struct dmub_cmd_header)]; +}; + +struct dmub_cmd_reg_wait_data { + uint32_t addr; + uint32_t mask; + uint32_t condition_field_value; + uint32_t time_out_us; +}; + +struct dmub_rb_cmd_reg_wait { + struct dmub_cmd_header header; + struct dmub_cmd_reg_wait_data reg_wait; +}; + +#ifndef PHYSICAL_ADDRESS_LOC +#define PHYSICAL_ADDRESS_LOC union large_integer +#endif + +struct dmub_cmd_PLAT_54186_wa { + uint32_t DCSURF_SURFACE_CONTROL; + uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH; + uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS; + uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C; + uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_C; + struct { + uint8_t hubp_inst : 4; + uint8_t tmz_surface : 1; + uint8_t immediate :1; + uint8_t vmid : 4; + uint8_t grph_stereo : 1; + uint32_t reserved : 21; + } flip_params; + uint32_t reserved[9]; +}; + +struct dmub_rb_cmd_PLAT_54186_wa { + struct dmub_cmd_header header; + struct dmub_cmd_PLAT_54186_wa flip; +}; + +struct dmub_cmd_digx_encoder_control_data { + union dig_encoder_control_parameters_v1_5 dig; +}; + +struct dmub_rb_cmd_digx_encoder_control { + struct dmub_cmd_header header; + struct dmub_cmd_digx_encoder_control_data encoder_control; +}; + +struct dmub_cmd_set_pixel_clock_data { + struct set_pixel_clock_parameter_v1_7 clk; +}; + +struct dmub_rb_cmd_set_pixel_clock { + struct dmub_cmd_header header; + struct dmub_cmd_set_pixel_clock_data pixel_clock; +}; + +struct dmub_cmd_enable_disp_power_gating_data { + struct enable_disp_power_gating_parameters_v2_1 pwr; +}; + +struct dmub_rb_cmd_enable_disp_power_gating { + struct dmub_cmd_header header; + struct dmub_cmd_enable_disp_power_gating_data power_gating; +}; + +struct dmub_cmd_dig1_transmitter_control_data { + struct dig_transmitter_control_parameters_v1_6 dig; +}; + +struct dmub_rb_cmd_dig1_transmitter_control { + struct dmub_cmd_header header; + struct dmub_cmd_dig1_transmitter_control_data transmitter_control; +}; + +struct dmub_rb_cmd_dpphy_init { + struct dmub_cmd_header header; + uint8_t reserved[60]; +}; + +struct dmub_cmd_psr_copy_settings_data { + uint16_t psr_level; + uint8_t hubp_inst; + uint8_t dpp_inst; + uint8_t mpcc_inst; + uint8_t opp_inst; + uint8_t otg_inst; + uint8_t digfe_inst; + uint8_t digbe_inst; + uint8_t dpphy_inst; + uint8_t aux_inst; + uint8_t hyst_frames; + uint8_t hyst_lines; + uint8_t phy_num; + uint8_t phy_type; + uint8_t aux_repeat; + uint8_t smu_optimizations_en; + uint8_t skip_wait_for_pll_lock; + uint8_t frame_delay; + uint8_t smu_phy_id; + uint8_t num_of_controllers; + uint8_t link_rate; + uint8_t frame_cap_ind; +}; + +struct dmub_rb_cmd_psr_copy_settings { + struct dmub_cmd_header header; + struct dmub_cmd_psr_copy_settings_data psr_copy_settings_data; +}; + +struct dmub_cmd_psr_set_level_data { + uint16_t psr_level; +}; + +struct dmub_rb_cmd_psr_set_level { + struct dmub_cmd_header header; + struct dmub_cmd_psr_set_level_data psr_set_level_data; +}; + +struct dmub_rb_cmd_psr_enable { + struct dmub_cmd_header header; +}; + +struct dmub_cmd_psr_setup_data { + enum psr_version version; // PSR version 1 or 2 +}; + +struct dmub_rb_cmd_psr_setup { + struct dmub_cmd_header header; + struct dmub_cmd_psr_setup_data psr_setup_data; +}; + +union dmub_rb_cmd { + struct dmub_rb_cmd_read_modify_write read_modify_write; + struct dmub_rb_cmd_reg_field_update_sequence reg_field_update_seq; + struct dmub_rb_cmd_burst_write burst_write; + struct dmub_rb_cmd_reg_wait reg_wait; + struct dmub_rb_cmd_common cmd_common; + struct dmub_rb_cmd_digx_encoder_control digx_encoder_control; + struct dmub_rb_cmd_set_pixel_clock set_pixel_clock; + struct dmub_rb_cmd_enable_disp_power_gating enable_disp_power_gating; + struct dmub_rb_cmd_dpphy_init dpphy_init; + struct dmub_rb_cmd_dig1_transmitter_control dig1_transmitter_control; + struct dmub_rb_cmd_psr_enable psr_enable; + struct dmub_rb_cmd_psr_copy_settings psr_copy_settings; + struct dmub_rb_cmd_psr_set_level psr_set_level; + struct dmub_rb_cmd_PLAT_54186_wa PLAT_54186_wa; + struct dmub_rb_cmd_psr_setup psr_setup; +}; + +#pragma pack(pop) + +#endif /* _DMUB_CMD_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h new file mode 100644 index 000000000000..7b69eb37f762 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h @@ -0,0 +1,48 @@ +/* + * Copyright 2019 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 + * + */ + +#ifndef _DMUB_CMD_DAL_H_ +#define _DMUB_CMD_DAL_H_ + +/* + * Command IDs should be treated as stable ABI. + * Do not reuse or modify IDs. + */ + +enum dmub_cmd_psr_type { + DMUB_CMD__PSR_SETUP = 0, + DMUB_CMD__PSR_COPY_SETTINGS = 1, + DMUB_CMD__PSR_ENABLE = 2, + DMUB_CMD__PSR_DISABLE = 3, + DMUB_CMD__PSR_SET_LEVEL = 4, +}; + +enum psr_version { + PSR_VERSION_1 = 0x10, // PSR Version 1 + PSR_VERSION_2 = 0x20, // PSR Version 2, includes selective update + PSR_VERSION_2_Y_COORD = 0x21, // PSR Version 2, includes Y-coordinate support for SU +}; + +#endif /* _DMUB_CMD_DAL_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_vbios.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_vbios.h new file mode 100644 index 000000000000..b6deb8e2590f --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_vbios.h @@ -0,0 +1,41 @@ +/* + * Copyright 2019 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 + * + */ + +#ifndef _DMUB_CMD_VBIOS_H_ +#define _DMUB_CMD_VBIOS_H_ + +/* + * Command IDs should be treated as stable ABI. + * Do not reuse or modify IDs. + */ + +enum dmub_cmd_vbios_type { + DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL = 0, + DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL = 1, + DMUB_CMD__VBIOS_SET_PIXEL_CLOCK = 2, + DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING = 3, +}; + +#endif /* _DMUB_CMD_VBIOS_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_fw_meta.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_fw_meta.h new file mode 100644 index 000000000000..242ec257998c --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_fw_meta.h @@ -0,0 +1,63 @@ +/* + * Copyright 2019 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 + * + */ +#ifndef _DMUB_META_H_ +#define _DMUB_META_H_ + +#include "dmub_types.h" + +#pragma pack(push, 1) + +/* Magic value for identifying dmub_fw_meta_info */ +#define DMUB_FW_META_MAGIC 0x444D5542 + +/* Offset from the end of the file to the dmub_fw_meta_info */ +#define DMUB_FW_META_OFFSET 0x24 + +/** + * struct dmub_fw_meta_info - metadata associated with fw binary + * + * NOTE: This should be considered a stable API. Fields should + * not be repurposed or reordered. New fields should be + * added instead to extend the structure. + * + * @magic_value: magic value identifying DMUB firmware meta info + * @fw_region_size: size of the firmware state region + * @trace_buffer_size: size of the tracebuffer region + */ +struct dmub_fw_meta_info { + uint32_t magic_value; + uint32_t fw_region_size; + uint32_t trace_buffer_size; +}; + +/* Ensure that the structure remains 64 bytes. */ +union dmub_fw_meta { + struct dmub_fw_meta_info info; + uint8_t reserved[64]; +}; + +#pragma pack(pop) + +#endif /* _DMUB_META_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h new file mode 100644 index 000000000000..df875fdd2ab0 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h @@ -0,0 +1,154 @@ +/* + * Copyright 2019 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 + * + */ + +#ifndef _DMUB_RB_H_ +#define _DMUB_RB_H_ + +#include "dmub_types.h" +#include "dmub_cmd.h" + +#if defined(__cplusplus) +extern "C" { +#endif + +struct dmub_cmd_header; + +struct dmub_rb_init_params { + void *ctx; + void *base_address; + uint32_t capacity; +}; + +struct dmub_rb { + void *base_address; + uint32_t data_count; + uint32_t rptr; + uint32_t wrpt; + uint32_t capacity; + + void *ctx; + void *dmub; +}; + + +static inline bool dmub_rb_empty(struct dmub_rb *rb) +{ + return (rb->wrpt == rb->rptr); +} + +static inline bool dmub_rb_full(struct dmub_rb *rb) +{ + uint32_t data_count; + + if (rb->wrpt >= rb->rptr) + data_count = rb->wrpt - rb->rptr; + else + data_count = rb->capacity - (rb->rptr - rb->wrpt); + + return (data_count == (rb->capacity - DMUB_RB_CMD_SIZE)); +} + +static inline bool dmub_rb_push_front(struct dmub_rb *rb, + const struct dmub_cmd_header *cmd) +{ + uint64_t volatile *dst = (uint64_t volatile *)(rb->base_address) + rb->wrpt / sizeof(uint64_t); + const uint64_t *src = (const uint64_t *)cmd; + int i; + + if (dmub_rb_full(rb)) + return false; + + // copying data + for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++) + *dst++ = *src++; + + rb->wrpt += DMUB_RB_CMD_SIZE; + + if (rb->wrpt >= rb->capacity) + rb->wrpt %= rb->capacity; + + return true; +} + +static inline bool dmub_rb_front(struct dmub_rb *rb, + struct dmub_cmd_header *cmd) +{ + uint8_t *rd_ptr = (uint8_t *)rb->base_address + rb->rptr; + + if (dmub_rb_empty(rb)) + return false; + + dmub_memcpy(cmd, rd_ptr, DMUB_RB_CMD_SIZE); + + return true; +} + +static inline bool dmub_rb_pop_front(struct dmub_rb *rb) +{ + if (dmub_rb_empty(rb)) + return false; + + rb->rptr += DMUB_RB_CMD_SIZE; + + if (rb->rptr >= rb->capacity) + rb->rptr %= rb->capacity; + + return true; +} + +static inline void dmub_rb_flush_pending(const struct dmub_rb *rb) +{ + uint32_t rptr = rb->rptr; + uint32_t wptr = rb->wrpt; + + while (rptr != wptr) { + uint64_t volatile *data = (uint64_t volatile *)rb->base_address + rptr / sizeof(uint64_t); + //uint64_t volatile *p = (uint64_t volatile *)data; + uint64_t temp; + int i; + + for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++) + temp = *data++; + + rptr += DMUB_RB_CMD_SIZE; + if (rptr >= rb->capacity) + rptr %= rb->capacity; + } +} + +static inline void dmub_rb_init(struct dmub_rb *rb, + struct dmub_rb_init_params *init_params) +{ + rb->base_address = init_params->base_address; + rb->capacity = init_params->capacity; + rb->rptr = 0; + rb->wrpt = 0; +} + +#if defined(__cplusplus) +} +#endif + +#endif /* _DMUB_RB_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h new file mode 100644 index 000000000000..f8917594036a --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h @@ -0,0 +1,523 @@ +/* + * Copyright 2019 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 + * + */ + +#ifndef _DMUB_SRV_H_ +#define _DMUB_SRV_H_ + +/** + * DOC: DMUB interface and operation + * + * DMUB is the interface to the display DMCUB microcontroller on DCN hardware. + * It delegates hardware initialization and command submission to the + * microcontroller. DMUB is the shortname for DMCUB. + * + * This interface is not thread-safe. Ensure that all access to the interface + * is properly synchronized by the caller. + * + * Initialization and usage of the DMUB service should be done in the + * steps given below: + * + * 1. dmub_srv_create() + * 2. dmub_srv_has_hw_support() + * 3. dmub_srv_calc_region_info() + * 4. dmub_srv_hw_init() + * + * The call to dmub_srv_create() is required to use the server. + * + * The calls to dmub_srv_has_hw_support() and dmub_srv_calc_region_info() + * are helpers to query cache window size and allocate framebuffer(s) + * for the cache windows. + * + * The call to dmub_srv_hw_init() programs the DMCUB registers to prepare + * for command submission. Commands can be queued via dmub_srv_cmd_queue() + * and executed via dmub_srv_cmd_execute(). + * + * If the queue is full the dmub_srv_wait_for_idle() call can be used to + * wait until the queue has been cleared. + * + * Destroying the DMUB service can be done by calling dmub_srv_destroy(). + * This does not clear DMUB hardware state, only software state. + * + * The interface is intended to be standalone and should not depend on any + * other component within DAL. + */ + +#include "dmub_types.h" +#include "dmub_cmd.h" +#include "dmub_rb.h" + +#if defined(__cplusplus) +extern "C" { +#endif + +/* Forward declarations */ +struct dmub_srv; +struct dmub_cmd_header; +struct dmub_srv_common_regs; + +/* enum dmub_status - return code for dmcub functions */ +enum dmub_status { + DMUB_STATUS_OK = 0, + DMUB_STATUS_NO_CTX, + DMUB_STATUS_QUEUE_FULL, + DMUB_STATUS_TIMEOUT, + DMUB_STATUS_INVALID, +}; + +/* enum dmub_asic - dmub asic identifier */ +enum dmub_asic { + DMUB_ASIC_NONE = 0, + DMUB_ASIC_DCN20, + DMUB_ASIC_DCN21, + DMUB_ASIC_MAX, +}; + +/* enum dmub_window_id - dmub window identifier */ +enum dmub_window_id { + DMUB_WINDOW_0_INST_CONST = 0, + DMUB_WINDOW_1_STACK, + DMUB_WINDOW_2_BSS_DATA, + DMUB_WINDOW_3_VBIOS, + DMUB_WINDOW_4_MAILBOX, + DMUB_WINDOW_5_TRACEBUFF, + DMUB_WINDOW_6_FW_STATE, + DMUB_WINDOW_7_RESERVED, + DMUB_WINDOW_TOTAL, +}; + +/** + * struct dmub_region - dmub hw memory region + * @base: base address for region, must be 256 byte aligned + * @top: top address for region + */ +struct dmub_region { + uint32_t base; + uint32_t top; +}; + +/** + * struct dmub_window - dmub hw cache window + * @off: offset to the fb memory in gpu address space + * @r: region in uc address space for cache window + */ +struct dmub_window { + union dmub_addr offset; + struct dmub_region region; +}; + +/** + * struct dmub_fb - defines a dmub framebuffer memory region + * @cpu_addr: cpu virtual address for the region, NULL if invalid + * @gpu_addr: gpu virtual address for the region, NULL if invalid + * @size: size of the region in bytes, zero if invalid + */ +struct dmub_fb { + void *cpu_addr; + uint64_t gpu_addr; + uint32_t size; +}; + +/** + * struct dmub_srv_region_params - params used for calculating dmub regions + * @inst_const_size: size of the fw inst const section + * @bss_data_size: size of the fw bss data section + * @vbios_size: size of the vbios data + * @fw_bss_data: raw firmware bss data section + */ +struct dmub_srv_region_params { + uint32_t inst_const_size; + uint32_t bss_data_size; + uint32_t vbios_size; + const uint8_t *fw_bss_data; +}; + +/** + * struct dmub_srv_region_info - output region info from the dmub service + * @fb_size: required minimum fb size for all regions, aligned to 4096 bytes + * @num_regions: number of regions used by the dmub service + * @regions: region info + * + * The regions are aligned such that they can be all placed within the + * same framebuffer but they can also be placed into different framebuffers. + * + * The size of each region can be calculated by the caller: + * size = reg.top - reg.base + * + * Care must be taken when performing custom allocations to ensure that each + * region base address is 256 byte aligned. + */ +struct dmub_srv_region_info { + uint32_t fb_size; + uint8_t num_regions; + struct dmub_region regions[DMUB_WINDOW_TOTAL]; +}; + +/** + * struct dmub_srv_fb_params - parameters used for driver fb setup + * @region_info: region info calculated by dmub service + * @cpu_addr: base cpu address for the framebuffer + * @gpu_addr: base gpu virtual address for the framebuffer + */ +struct dmub_srv_fb_params { + const struct dmub_srv_region_info *region_info; + void *cpu_addr; + uint64_t gpu_addr; +}; + +/** + * struct dmub_srv_fb_info - output fb info from the dmub service + * @num_fbs: number of required dmub framebuffers + * @fbs: fb data for each region + * + * Output from the dmub service helper that can be used by the + * driver to prepare dmub_fb that can be passed into the dmub + * hw init service. + * + * Assumes that all regions are within the same framebuffer + * and have been setup according to the region_info generated + * by the dmub service. + */ +struct dmub_srv_fb_info { + uint8_t num_fb; + struct dmub_fb fb[DMUB_WINDOW_TOTAL]; +}; + +/** + * struct dmub_srv_base_funcs - Driver specific base callbacks + */ +struct dmub_srv_base_funcs { + /** + * @reg_read: + * + * Hook for reading a register. + * + * Return: The 32-bit register value from the given address. + */ + uint32_t (*reg_read)(void *ctx, uint32_t address); + + /** + * @reg_write: + * + * Hook for writing a value to the register specified by address. + */ + void (*reg_write)(void *ctx, uint32_t address, uint32_t value); +}; + +/** + * struct dmub_srv_hw_funcs - hardware sequencer funcs for dmub + */ +struct dmub_srv_hw_funcs { + /* private: internal use only */ + + void (*init)(struct dmub_srv *dmub); + + void (*reset)(struct dmub_srv *dmub); + + void (*reset_release)(struct dmub_srv *dmub); + + void (*backdoor_load)(struct dmub_srv *dmub, + const struct dmub_window *cw0, + const struct dmub_window *cw1); + + void (*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); + + void (*setup_mailbox)(struct dmub_srv *dmub, + const struct dmub_region *inbox1); + + uint32_t (*get_inbox1_rptr)(struct dmub_srv *dmub); + + void (*set_inbox1_wptr)(struct dmub_srv *dmub, uint32_t wptr_offset); + + bool (*is_supported)(struct dmub_srv *dmub); + + bool (*is_hw_init)(struct dmub_srv *dmub); + + bool (*is_phy_init)(struct dmub_srv *dmub); + + bool (*is_auto_load_done)(struct dmub_srv *dmub); +}; + +/** + * struct dmub_srv_create_params - params for dmub service creation + * @base_funcs: driver supplied base routines + * @hw_funcs: optional overrides for hw funcs + * @user_ctx: context data for callback funcs + * @asic: driver supplied asic + * @is_virtual: false for hw support only + */ +struct dmub_srv_create_params { + struct dmub_srv_base_funcs funcs; + struct dmub_srv_hw_funcs *hw_funcs; + void *user_ctx; + enum dmub_asic asic; + bool is_virtual; +}; + +/* + * struct dmub_srv_hw_params - params for dmub hardware initialization + * @fb: framebuffer info for each region + * @fb_base: base of the framebuffer aperture + * @fb_offset: offset of the framebuffer aperture + * @psp_version: psp version to pass for DMCU init + * @load_inst_const: true if DMUB should load inst const fw + */ +struct dmub_srv_hw_params { + struct dmub_fb *fb[DMUB_WINDOW_TOTAL]; + uint64_t fb_base; + uint64_t fb_offset; + uint32_t psp_version; + bool load_inst_const; +}; + +/** + * struct dmub_srv - software state for dmcub + * @asic: dmub asic identifier + * @user_ctx: user provided context for the dmub_srv + * @is_virtual: false if hardware support only + * @fw_state: dmub firmware state pointer + */ +struct dmub_srv { + enum dmub_asic asic; + void *user_ctx; + bool is_virtual; + volatile const struct dmub_fw_state *fw_state; + + /* private: internal use only */ + const struct dmub_srv_common_regs *regs; + + struct dmub_srv_base_funcs funcs; + struct dmub_srv_hw_funcs hw_funcs; + struct dmub_rb inbox1_rb; + + bool sw_init; + bool hw_init; + + uint64_t fb_base; + uint64_t fb_offset; + uint32_t psp_version; +}; + +/** + * dmub_srv_create() - creates the DMUB service. + * @dmub: the dmub service + * @params: creation parameters for the service + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_create(struct dmub_srv *dmub, + const struct dmub_srv_create_params *params); + +/** + * dmub_srv_destroy() - destroys the DMUB service. + * @dmub: the dmub service + */ +void dmub_srv_destroy(struct dmub_srv *dmub); + +/** + * dmub_srv_calc_region_info() - retreives region info from the dmub service + * @dmub: the dmub service + * @params: parameters used to calculate region locations + * @info_out: the output region info from dmub + * + * Calculates the base and top address for all relevant dmub regions + * using the parameters given (if any). + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status +dmub_srv_calc_region_info(struct dmub_srv *dmub, + const struct dmub_srv_region_params *params, + struct dmub_srv_region_info *out); + +/** + * dmub_srv_calc_region_info() - retreives fb info from the dmub service + * @dmub: the dmub service + * @params: parameters used to calculate fb locations + * @info_out: the output fb info from dmub + * + * Calculates the base and top address for all relevant dmub regions + * using the parameters given (if any). + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_calc_fb_info(struct dmub_srv *dmub, + const struct dmub_srv_fb_params *params, + struct dmub_srv_fb_info *out); + +/** + * dmub_srv_has_hw_support() - returns hw support state for dmcub + * @dmub: the dmub service + * @is_supported: hw support state + * + * Queries the hardware for DMCUB support and returns the result. + * + * Can be called before dmub_srv_hw_init(). + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_has_hw_support(struct dmub_srv *dmub, + bool *is_supported); + +/** + * dmub_srv_is_hw_init() - returns hardware init state + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_is_hw_init(struct dmub_srv *dmub, bool *is_hw_init); + +/** + * dmub_srv_hw_init() - initializes the underlying DMUB hardware + * @dmub: the dmub service + * @params: params for hardware initialization + * + * Resets the DMUB hardware and performs backdoor loading of the + * required cache regions based on the input framebuffer regions. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_NO_CTX - dmcub context not initialized + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub, + const struct dmub_srv_hw_params *params); + +/** + * dmub_srv_hw_reset() - puts the DMUB hardware in reset state if initialized + * @dmub: the dmub service + * + * Before destroying the DMUB service or releasing the backing framebuffer + * memory we'll need to put the DMCUB into reset first. + * + * A subsequent call to dmub_srv_hw_init() will re-enable the DMCUB. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_hw_reset(struct dmub_srv *dmub); + +/** + * dmub_srv_cmd_queue() - queues a command to the DMUB + * @dmub: the dmub service + * @cmd: the command to queue + * + * Queues a command to the DMUB service but does not begin execution + * immediately. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_QUEUE_FULL - no remaining room in queue + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_cmd_queue(struct dmub_srv *dmub, + const struct dmub_cmd_header *cmd); + +/** + * dmub_srv_cmd_execute() - Executes a queued sequence to the dmub + * @dmub: the dmub service + * + * Begins execution of queued commands on the dmub. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_cmd_execute(struct dmub_srv *dmub); + +/** + * dmub_srv_wait_for_auto_load() - Waits for firmware auto load to complete + * @dmub: the dmub service + * @timeout_us: the maximum number of microseconds to wait + * + * Waits until firmware has been autoloaded by the DMCUB. The maximum + * wait time is given in microseconds to prevent spinning forever. + * + * On ASICs without firmware autoload support this function will return + * immediately. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_TIMEOUT - wait for phy init timed out + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_wait_for_auto_load(struct dmub_srv *dmub, + uint32_t timeout_us); + +/** + * dmub_srv_wait_for_phy_init() - Waits for DMUB PHY init to complete + * @dmub: the dmub service + * @timeout_us: the maximum number of microseconds to wait + * + * Waits until the PHY has been initialized by the DMUB. The maximum + * wait time is given in microseconds to prevent spinning forever. + * + * On ASICs without PHY init support this function will return + * immediately. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_TIMEOUT - wait for phy init timed out + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_wait_for_phy_init(struct dmub_srv *dmub, + uint32_t timeout_us); + +/** + * dmub_srv_wait_for_idle() - Waits for the DMUB to be idle + * @dmub: the dmub service + * @timeout_us: the maximum number of microseconds to wait + * + * Waits until the DMUB buffer is empty and all commands have + * finished processing. The maximum wait time is given in + * microseconds to prevent spinning forever. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_TIMEOUT - wait for buffer to flush timed out + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_wait_for_idle(struct dmub_srv *dmub, + uint32_t timeout_us); + +#if defined(__cplusplus) +} +#endif + +#endif /* _DMUB_SRV_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_trace_buffer.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_trace_buffer.h new file mode 100644 index 000000000000..6b3ee42db350 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_trace_buffer.h @@ -0,0 +1,69 @@ +/* + * Copyright 2019 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 + * + */ +#ifndef _DMUB_TRACE_BUFFER_H_ +#define _DMUB_TRACE_BUFFER_H_ + +#include "dmub_types.h" + +#define LOAD_DMCU_FW 1 +#define LOAD_PHY_FW 2 + + +enum dmucb_trace_code { + DMCUB__UNKNOWN, + DMCUB__MAIN_BEGIN, + DMCUB__PHY_INIT_BEGIN, + DMCUB__PHY_FW_SRAM_LOAD_BEGIN, + DMCUB__PHY_FW_SRAM_LOAD_END, + DMCUB__PHY_INIT_POLL_DONE, + DMCUB__PHY_INIT_END, + DMCUB__DMCU_ERAM_LOAD_BEGIN, + DMCUB__DMCU_ERAM_LOAD_END, + DMCUB__DMCU_ISR_LOAD_BEGIN, + DMCUB__DMCU_ISR_LOAD_END, + DMCUB__MAIN_IDLE, + DMCUB__PERF_TRACE, + DMCUB__PG_DONE, +}; + +struct dmcub_trace_buf_entry { + enum dmucb_trace_code trace_code; + uint32_t tick_count; + uint32_t param0; + uint32_t param1; +}; + +#define TRACE_BUF_SIZE (1024) //1 kB +#define PERF_TRACE_MAX_ENTRY ((TRACE_BUF_SIZE - 8)/sizeof(struct dmcub_trace_buf_entry)) + + +struct dmcub_trace_buf { + uint32_t entry_count; + uint32_t clk_freq; + struct dmcub_trace_buf_entry entries[PERF_TRACE_MAX_ENTRY]; +}; + + +#endif /* _DMUB_TRACE_BUFFER_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_types.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_types.h new file mode 100644 index 000000000000..41d524b0db2f --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_types.h @@ -0,0 +1,64 @@ +/* + * Copyright 2019 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 + * + */ + +#ifndef _DMUB_TYPES_H_ +#define _DMUB_TYPES_H_ + +/* Basic type definitions. */ +#include <asm/byteorder.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/delay.h> +#include <stdarg.h> + +#if defined(__cplusplus) +extern "C" { +#endif + +#ifndef dmub_memcpy +#define dmub_memcpy(dest, source, bytes) memcpy((dest), (source), (bytes)) +#endif + +#ifndef dmub_memset +#define dmub_memset(dest, val, bytes) memset((dest), (val), (bytes)) +#endif + +#ifndef dmub_udelay +#define dmub_udelay(microseconds) udelay(microseconds) +#endif + +union dmub_addr { + struct { + uint32_t low_part; + uint32_t high_part; + } u; + uint64_t quad_part; +}; + +#if defined(__cplusplus) +} +#endif + +#endif /* _DMUB_TYPES_H_ */ |