diff options
author | Jun Lei <Jun.Lei@amd.com> | 2019-08-02 17:22:57 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2019-11-13 15:29:43 -0500 |
commit | d9a07577b8a3131c90c187fb2b89662bee535cfd (patch) | |
tree | 43b6d3ac6b245e908a54948b27a1a5aab19b7683 | |
parent | ae8cf9774e3a609066b277c3742c3551564fb079 (diff) |
drm/amd/display: add oem i2c implemenation in dc
[why]
Need it for some OEM I2C devices in Nv10
[how]
Link up code to parse OEM table and expose DC interface
to access the pins
Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 63 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 11 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_i2c.c | 19 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.c | 43 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.h | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 15 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/core_types.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h | 3 |
11 files changed, 100 insertions, 83 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c index 7873abea4112..05be2c0c25d1 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -294,11 +294,21 @@ static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb, struct atom_display_object_path_v2 *object; struct atom_common_record_header *header; struct atom_i2c_record *record; + struct atom_i2c_record dummy_record = {0}; struct bios_parser *bp = BP_FROM_DCB(dcb); if (!info) return BP_RESULT_BADINPUT; + if (id.type == OBJECT_TYPE_GENERIC) { + dummy_record.i2c_id = id.id; + + if (get_gpio_i2c_info(bp, &dummy_record, info) == BP_RESULT_OK) + return BP_RESULT_OK; + else + return BP_RESULT_NORECORD; + } + object = get_bios_object(bp, id); if (!object) @@ -341,6 +351,7 @@ static enum bp_result get_gpio_i2c_info( struct atom_gpio_pin_lut_v2_1 *header; uint32_t count = 0; unsigned int table_index = 0; + bool find_valid = false; if (!info) return BP_RESULT_BADINPUT; @@ -368,33 +379,28 @@ static enum bp_result get_gpio_i2c_info( - sizeof(struct atom_common_table_header)) / sizeof(struct atom_gpio_pin_assignment); - table_index = record->i2c_id & I2C_HW_LANE_MUX; - - if (count < table_index) { - bool find_valid = false; - - for (table_index = 0; table_index < count; table_index++) { - if (((record->i2c_id & I2C_HW_CAP) == ( - header->gpio_pin[table_index].gpio_id & - I2C_HW_CAP)) && - ((record->i2c_id & I2C_HW_ENGINE_ID_MASK) == - (header->gpio_pin[table_index].gpio_id & - I2C_HW_ENGINE_ID_MASK)) && - ((record->i2c_id & I2C_HW_LANE_MUX) == - (header->gpio_pin[table_index].gpio_id & - I2C_HW_LANE_MUX))) { - /* still valid */ - find_valid = true; - break; - } + for (table_index = 0; table_index < count; table_index++) { + if (((record->i2c_id & I2C_HW_CAP) == ( + header->gpio_pin[table_index].gpio_id & + I2C_HW_CAP)) && + ((record->i2c_id & I2C_HW_ENGINE_ID_MASK) == + (header->gpio_pin[table_index].gpio_id & + I2C_HW_ENGINE_ID_MASK)) && + ((record->i2c_id & I2C_HW_LANE_MUX) == + (header->gpio_pin[table_index].gpio_id & + I2C_HW_LANE_MUX))) { + /* still valid */ + find_valid = true; + break; } - /* If we don't find the entry that we are looking for then - * we will return BP_Result_BadBiosTable. - */ - if (find_valid == false) - return BP_RESULT_BADBIOSTABLE; } + /* If we don't find the entry that we are looking for then + * we will return BP_Result_BadBiosTable. + */ + if (find_valid == false) + return BP_RESULT_BADBIOSTABLE; + /* get the GPIO_I2C_INFO */ info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false; info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX; @@ -1205,6 +1211,8 @@ static enum bp_result get_firmware_info_v3_1( bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10; } + info->oem_i2c_present = false; + return BP_RESULT_OK; } @@ -1283,6 +1291,13 @@ static enum bp_result get_firmware_info_v3_2( bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10; } + if (firmware_info->board_i2c_feature_id == 0x2) { + info->oem_i2c_present = true; + info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id; + } else { + info->oem_i2c_present = false; + } + return BP_RESULT_OK; } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index cbdd049ca76b..aadd2a20fc65 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -2502,6 +2502,17 @@ bool dc_submit_i2c( cmd); } +bool dc_submit_i2c_oem( + struct dc *dc, + struct i2c_command *cmd) +{ + struct ddc_service *ddc = dc->res_pool->oem_device; + return dce_i2c_submit_command( + dc->res_pool, + ddc->ddc_pin, + cmd); +} + static bool link_add_remote_sink_helper(struct dc_link *dc_link, struct dc_sink *sink) { if (dc_link->sink_count >= MAX_SINKS_PER_LINK) { diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c index 7f904d55c1bc..a2e6adacaff6 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c @@ -206,7 +206,10 @@ static void construct( ddc_service->ddc_pin = NULL; } else { hw_info.ddc_channel = i2c_info.i2c_line; - hw_info.hw_supported = i2c_info.i2c_hw_assist; + if (ddc_service->link != NULL) + hw_info.hw_supported = i2c_info.i2c_hw_assist; + else + hw_info.hw_supported = false; ddc_service->ddc_pin = dal_gpio_create_ddc( gpio_service, diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index f24fd19ed93d..9270e43cd5bb 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -305,6 +305,10 @@ bool dc_submit_i2c( uint32_t link_index, struct i2c_command *cmd); +bool dc_submit_i2c_oem( + struct dc *dc, + struct i2c_command *cmd); + uint32_t dc_bandwidth_in_kbps_from_timing( const struct dc_crtc_timing *timing); #endif /* DC_LINK_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_i2c.c b/drivers/gpu/drm/amd/display/dc/dce/dce_i2c.c index 35a75398fcb4..dd41736bb5c4 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_i2c.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_i2c.c @@ -31,7 +31,7 @@ bool dce_i2c_submit_command( struct i2c_command *cmd) { struct dce_i2c_hw *dce_i2c_hw; - struct dce_i2c_sw *dce_i2c_sw; + struct dce_i2c_sw dce_i2c_sw = {0}; if (!ddc) { BREAK_TO_DEBUGGER(); @@ -43,18 +43,15 @@ bool dce_i2c_submit_command( return false; } - /* The software engine is only available on dce8 */ - dce_i2c_sw = dce_i2c_acquire_i2c_sw_engine(pool, ddc); - - if (!dce_i2c_sw) { - dce_i2c_hw = acquire_i2c_hw_engine(pool, ddc); - - if (!dce_i2c_hw) - return false; + dce_i2c_hw = acquire_i2c_hw_engine(pool, ddc); + if (dce_i2c_hw) return dce_i2c_submit_command_hw(pool, ddc, cmd, dce_i2c_hw); - } - return dce_i2c_submit_command_sw(pool, ddc, cmd, dce_i2c_sw); + dce_i2c_sw.ctx = ddc->ctx; + if (dce_i2c_engine_acquire_sw(&dce_i2c_sw, ddc)) { + return dce_i2c_submit_command_sw(pool, ddc, cmd, &dce_i2c_sw); + } + return false; } diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.c b/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.c index a5a11c251e25..87d8428df6c4 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.c @@ -73,31 +73,6 @@ static void release_engine_dce_sw( dce_i2c_sw->ddc = NULL; } -static bool get_hw_supported_ddc_line( - struct ddc *ddc, - enum gpio_ddc_line *line) -{ - enum gpio_ddc_line line_found; - - *line = GPIO_DDC_LINE_UNKNOWN; - - if (!ddc) { - BREAK_TO_DEBUGGER(); - return false; - } - - if (!ddc->hw_info.hw_supported) - return false; - - line_found = dal_ddc_get_line(ddc); - - if (line_found >= GPIO_DDC_LINE_COUNT) - return false; - - *line = line_found; - - return true; -} static bool wait_for_scl_high_sw( struct dc_context *ctx, struct ddc *ddc, @@ -524,21 +499,3 @@ bool dce_i2c_submit_command_sw( return result; } -struct dce_i2c_sw *dce_i2c_acquire_i2c_sw_engine( - struct resource_pool *pool, - struct ddc *ddc) -{ - enum gpio_ddc_line line; - struct dce_i2c_sw *engine = NULL; - - if (get_hw_supported_ddc_line(ddc, &line)) - engine = pool->sw_i2cs[line]; - - if (!engine) - return NULL; - - if (!dce_i2c_engine_acquire_sw(engine, ddc)) - return NULL; - - return engine; -} diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.h b/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.h index 5bbcdd455614..019fc47bb767 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.h +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.h @@ -49,9 +49,9 @@ bool dce_i2c_submit_command_sw( struct i2c_command *cmd, struct dce_i2c_sw *dce_i2c_sw); -struct dce_i2c_sw *dce_i2c_acquire_i2c_sw_engine( - struct resource_pool *pool, - struct ddc *ddc); +bool dce_i2c_engine_acquire_sw( + struct dce_i2c_sw *dce_i2c_sw, + struct ddc *ddc_handle); #endif diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index e73a65606a4a..d3d26796a9b8 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -59,6 +59,7 @@ #include "dml/display_mode_vba.h" #include "dcn20_dccg.h" #include "dcn20_vmid.h" +#include "dc_link_ddc.h" #include "navi10_ip_offset.h" @@ -1346,6 +1347,8 @@ static void destruct(struct dcn20_resource_pool *pool) if (pool->base.pp_smu != NULL) dcn20_pp_smu_destroy(&pool->base.pp_smu); + if (pool->base.oem_device != NULL) + dal_ddc_service_destroy(&pool->base.oem_device); } struct hubp *dcn20_hubp_create( @@ -3391,6 +3394,7 @@ static bool construct( int i; struct dc_context *ctx = dc->ctx; struct irq_service_init_data init_data; + struct ddc_service_init_data ddc_init_data; struct _vcs_dpi_soc_bounding_box_st *loaded_bb = get_asic_rev_soc_bb(ctx->asic_id.hw_internal_rev); struct _vcs_dpi_ip_params_st *loaded_ip = @@ -3686,6 +3690,17 @@ static bool construct( dc->cap_funcs = cap_funcs; + if (dc->ctx->dc_bios->fw_info.oem_i2c_present) { + ddc_init_data.ctx = dc->ctx; + ddc_init_data.link = NULL; + ddc_init_data.id.id = dc->ctx->dc_bios->fw_info.oem_i2c_obj_id; + ddc_init_data.id.enum_id = 0; + ddc_init_data.id.type = OBJECT_TYPE_GENERIC; + pool->base.oem_device = dal_ddc_service_create(&ddc_init_data); + } else { + pool->base.oem_device = NULL; + } + return true; create_fail: diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c index 43a440385b43..2664cb22dfe7 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c @@ -110,6 +110,12 @@ static const struct ddc_registers ddc_data_regs_dcn[] = { ddc_data_regs_dcn2(4), ddc_data_regs_dcn2(5), ddc_data_regs_dcn2(6), + { + DDC_GPIO_VGA_REG_LIST(DATA), + .ddc_setup = 0, + .phy_aux_cntl = 0, + .dc_gpio_aux_ctrl_5 = 0 + } }; static const struct ddc_registers ddc_clk_regs_dcn[] = { @@ -119,6 +125,12 @@ static const struct ddc_registers ddc_clk_regs_dcn[] = { ddc_clk_regs_dcn2(4), ddc_clk_regs_dcn2(5), ddc_clk_regs_dcn2(6), + { + DDC_GPIO_VGA_REG_LIST(CLK), + .ddc_setup = 0, + .phy_aux_cntl = 0, + .dc_gpio_aux_ctrl_5 = 0 + } }; static const struct ddc_sh_mask ddc_shift[] = { diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h index a831079607cd..fc9decc0a8fc 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h +++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h @@ -229,6 +229,8 @@ struct resource_pool { const struct resource_funcs *funcs; const struct resource_caps *res_cap; + + struct ddc_service *oem_device; }; struct dcn_fe_bandwidth { diff --git a/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h b/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h index f312834fef50..d51de94e4bc3 100644 --- a/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h +++ b/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h @@ -178,7 +178,8 @@ struct dc_firmware_info { uint32_t default_engine_clk; /* in KHz */ uint32_t dp_phy_ref_clk; /* in KHz - DCE12 only */ uint32_t i2c_engine_ref_clk; /* in KHz - DCE12 only */ - + bool oem_i2c_present; + uint8_t oem_i2c_obj_id; }; |