From 173bdefc92e2e4ef8f1e7e6ead7f86e746bee935 Mon Sep 17 00:00:00 2001 From: Mahantesh Kumbar Date: Mon, 19 Sep 2016 11:07:46 +0530 Subject: gpu: nvgpu: add support for voltage config - changes to read voltage tables from VBIOS & create boardobj then send to pmu - Rail, Device & Policy objects are read from VBIOS & created boardobjs - RPC support to load, Set & get voltage. JIRA DNVGPU-122 Change-Id: I61621a514eef9c081a64c4ab066f01dfc28f8402 Signed-off-by: Mahantesh Kumbar Reviewed-on: http://git-master/r/1222774 (cherry picked from commit 9da86d8c2c547623cf5f38c89afeb3f5bb1667ac) Reviewed-on: http://git-master/r/1244656 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom Tested-by: Terje Bergstrom --- drivers/gpu/nvgpu/include/bios.h | 132 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 132 insertions(+) (limited to 'drivers/gpu/nvgpu/include') diff --git a/drivers/gpu/nvgpu/include/bios.h b/drivers/gpu/nvgpu/include/bios.h index d3a677f8..fb1e1f46 100644 --- a/drivers/gpu/nvgpu/include/bios.h +++ b/drivers/gpu/nvgpu/include/bios.h @@ -656,4 +656,136 @@ struct pwr_policy_3x_entry_struct { #define NV_VBIOS_POWER_POLICY_3X_ENTRY_PARAM1_HW_THRESHOLD_LOW_THRESHOLD_VAL_MASK 0xFFFF #define NV_VBIOS_POWER_POLICY_3X_ENTRY_PARAM1_HW_THRESHOLD_LOW_THRESHOLD_VAL_SHIFT 0 +/* Voltage Rail Table */ +struct vbios_voltage_rail_table_1x_header { + u8 version; + u8 header_size; + u8 table_entry_size; + u8 num_table_entries; + u8 volt_domain_hal; +} __packed; + +#define NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_07 0X00000007 +#define NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_08 0X00000008 +#define NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_09 0X00000009 +#define NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_0A 0X0000000A +#define NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_0B 0X0000000B + +struct vbios_voltage_rail_table_1x_entry { + u32 boot_voltage_uv; + u8 rel_limit_vfe_equ_idx; + u8 alt_rel_limit_vfe_equidx; + u8 ov_limit_vfe_equ_idx; + u8 pwr_equ_idx; + u8 boot_volt_vfe_equ_idx; + u8 vmin_limit_vfe_equ_idx; + u8 volt_margin_limit_vfe_equ_idx; +} __packed; + +/* Voltage Device Table */ +struct vbios_voltage_device_table_1x_header { + u8 version; + u8 header_size; + u8 table_entry_size; + u8 num_table_entries; +}; + +struct vbios_voltage_device_table_1x_entry { + u8 type; + u8 volt_domain; + u16 settle_time_us; + u32 param0; + u32 param1; + u32 param2; + u32 param3; + u32 param4; +}; + +#define NV_VBIOS_VOLTAGE_DEVICE_1X_ENTRY_TYPE_INVALID 0x00 +#define NV_VBIOS_VOLTAGE_DEVICE_1X_ENTRY_TYPE_PSV 0x02 + +#define NV_VBIOS_VDT_1X_ENTRY_PARAM0_PSV_INPUT_FREQUENCY_MASK \ + GENMASK(23, 0) +#define NV_VBIOS_VDT_1X_ENTRY_PARAM0_PSV_INPUT_FREQUENCY_SHIFT 0 +#define NV_VBIOS_VDT_1X_ENTRY_PARAM0_PSV_EXT_DEVICE_INDEX_MASK \ + GENMASK(31, 24) +#define NV_VBIOS_VDT_1X_ENTRY_PARAM0_PSV_EXT_DEVICE_INDEX_SHIFT 24 + +#define NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_VOLTAGE_MINIMUM_MASK \ + GENMASK(23, 0) +#define NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_VOLTAGE_MINIMUM_SHIFT 0 +#define NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_OPERATION_TYPE_MASK \ + GENMASK(31, 24) +#define NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_OPERATION_TYPE_SHIFT 24 +#define NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_OPERATION_TYPE_DEFAULT 0x00 +#define NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_OPERATION_TYPE_LPWR_STEADY_STATE \ + 0x01 +#define NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_OPERATION_TYPE_LPWR_SLEEP_STATE \ + 0x02 +#define NV_VBIOS_VDT_1X_ENTRY_PARAM2_PSV_VOLTAGE_MAXIMUM_MASK \ + GENMASK(23, 0) +#define NV_VBIOS_VDT_1X_ENTRY_PARAM2_PSV_VOLTAGE_MAXIMUM_SHIFT 0 +#define NV_VBIOS_VDT_1X_ENTRY_PARAM2_PSV_RSVD_MASK \ + GENMASK(31, 24) +#define NV_VBIOS_VDT_1X_ENTRY_PARAM2_PSV_RSVD_SHIFT 24 + +#define NV_VBIOS_VDT_1X_ENTRY_PARAM3_PSV_VOLTAGE_BASE_MASK \ + GENMASK(23, 0) +#define NV_VBIOS_VDT_1X_ENTRY_PARAM3_PSV_VOLTAGE_BASE_SHIFT 0 +#define NV_VBIOS_VDT_1X_ENTRY_PARAM3_PSV_VOLTAGE_STEPS_MASK \ + GENMASK(31, 24) +#define NV_VBIOS_VDT_1X_ENTRY_PARAM3_PSV_VOLTAGE_STEPS_SHIFT 24 + +#define NV_VBIOS_VDT_1X_ENTRY_PARAM4_PSV_OFFSET_SCALE_MASK \ + GENMASK(23, 0) +#define NV_VBIOS_VDT_1X_ENTRY_PARAM4_PSV_OFFSET_SCALE_SHIFT 0 +#define NV_VBIOS_VDT_1X_ENTRY_PARAM4_PSV_RSVD_MASK \ + GENMASK(31, 24) +#define NV_VBIOS_VDT_1X_ENTRY_PARAM4_PSV_RSVD_SHIFT 24 + +/* Voltage Policy Table */ +struct vbios_voltage_policy_table_1x_header { + u8 version; + u8 header_size; + u8 table_entry_size; + u8 num_table_entries; + u8 perf_core_vf_seq_policy_idx; +}; + +struct vbios_voltage_policy_table_1x_entry { + u8 type; + u32 param0; + u32 param1; +}; + +#define NV_VBIOS_VOLTAGE_POLICY_1X_ENTRY_TYPE_INVALID 0x00 +#define NV_VBIOS_VOLTAGE_POLICY_1X_ENTRY_TYPE_SINGLE_RAIL 0x01 +#define NV_VBIOS_VOLTAGE_POLICY_1X_ENTRY_TYPE_SR_MULTI_STEP 0x02 +#define NV_VBIOS_VOLTAGE_POLICY_1X_ENTRY_TYPE_SR_SINGLE_STEP 0x03 + +#define NV_VBIOS_VPT_ENTRY_PARAM0_SINGLE_RAIL_VOLT_DOMAIN_MASK \ + GENMASK(7, 0) +#define NV_VBIOS_VPT_ENTRY_PARAM0_SINGLE_RAIL_VOLT_DOMAIN_SHIFT 0 +#define NV_VBIOS_VPT_ENTRY_PARAM0_RSVD_MASK GENMASK(8, 31) +#define NV_VBIOS_VPT_ENTRY_PARAM0_RSVD_SHIFT 8 + +#define NV_VBIOS_VPT_ENTRY_PARAM0_SR_VD_MASTER_MASK \ + GENMASK(7, 0) +#define NV_VBIOS_VPT_ENTRY_PARAM0_SR_VD_MASTER_SHIFT 0 +#define NV_VBIOS_VPT_ENTRY_PARAM0_SR_VD_SLAVE_MASK \ + GENMASK(15, 8) +#define NV_VBIOS_VPT_ENTRY_PARAM0_SR_VD_SLAVE_SHIFT 8 +#define NV_VBIOS_VPT_ENTRY_PARAM0_SR_DELTA_SM_MIN_MASK \ + GENMASK(23, 16) +#define NV_VBIOS_VPT_ENTRY_PARAM0_SR_DELTA_SM_MIN_SHIFT 16 +#define NV_VBIOS_VPT_ENTRY_PARAM0_SR_DELTA_SM_MAX_MASK \ + GENMASK(31, 24) +#define NV_VBIOS_VPT_ENTRY_PARAM0_SR_DELTA_SM_MAX_SHIFT 24 + +/* Type-Specific Parameter DWORD 0 - Type = _SR_MULTI_STEP */ +#define NV_VBIOS_VPT_ENTRY_PARAM1_SR_SETTLE_TIME_INTERMEDIATE_MASK \ + GENMASK(15, 0) +#define NV_VBIOS_VPT_ENTRY_PARAM1_SR_SETTLE_TIME_INTERMEDIATE_SHIFT \ + 0 + #endif -- cgit v1.2.2