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drm/radeon/kms: add atom helper functions for dpm (v3)

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dpm needs access to atombios data and command tables
for setup and calculation of a number of parameters.

v2: endian fix
v3: fix mc reg table bug

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2013-06-24 10:50:34 -04:00
parent 2948f5e6c2
commit ae5b0abbb6
3 changed files with 743 additions and 7 deletions
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57
drivers/gpu/drm/radeon/radeon_mode.h
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@@ -519,6 +519,63 @@ struct atom_clock_dividers {
u32 flags;
};
#define MEM_TYPE_GDDR5 0x50
#define MEM_TYPE_GDDR4 0x40
#define MEM_TYPE_GDDR3 0x30
#define MEM_TYPE_DDR2 0x20
#define MEM_TYPE_GDDR1 0x10
#define MEM_TYPE_DDR3 0xb0
#define MEM_TYPE_MASK 0xf0
struct atom_memory_info {
u8 mem_vendor;
u8 mem_type;
};
#define MAX_AC_TIMING_ENTRIES 16
struct atom_memory_clock_range_table
{
u8 num_entries;
u8 rsv[3];
u32 mclk[MAX_AC_TIMING_ENTRIES];
};
#define VBIOS_MC_REGISTER_ARRAY_SIZE 32
#define VBIOS_MAX_AC_TIMING_ENTRIES 20
struct atom_mc_reg_entry {
u32 mclk_max;
u32 mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE];
};
struct atom_mc_register_address {
u16 s1;
u8 pre_reg_data;
};
struct atom_mc_reg_table {
u8 last;
u8 num_entries;
struct atom_mc_reg_entry mc_reg_table_entry[VBIOS_MAX_AC_TIMING_ENTRIES];
struct atom_mc_register_address mc_reg_address[VBIOS_MC_REGISTER_ARRAY_SIZE];
};
#define MAX_VOLTAGE_ENTRIES 32
struct atom_voltage_table_entry
{
u16 value;
u32 smio_low;
};
struct atom_voltage_table
{
u32 count;
u32 mask_low;
struct atom_voltage_table_entry entries[MAX_VOLTAGE_ENTRIES];
};
extern enum radeon_tv_std
radeon_combios_get_tv_info(struct radeon_device *rdev);
extern enum radeon_tv_std