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/*
* Copyright 2015 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.
*
*
*/
#ifndef _CGS_COMMON_H
#define _CGS_COMMON_H
#include "amd_shared.h"
/**
* enum cgs_gpu_mem_type - GPU memory types
*/
enum cgs_gpu_mem_type {
CGS_GPU_MEM_TYPE__VISIBLE_FB,
CGS_GPU_MEM_TYPE__INVISIBLE_FB,
CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB,
CGS_GPU_MEM_TYPE__GART_CACHEABLE,
CGS_GPU_MEM_TYPE__GART_WRITECOMBINE
};
/**
* enum cgs_ind_reg - Indirect register spaces
*/
enum cgs_ind_reg {
CGS_IND_REG__MMIO,
CGS_IND_REG__PCIE,
CGS_IND_REG__SMC,
CGS_IND_REG__UVD_CTX,
CGS_IND_REG__DIDT,
CGS_IND_REG__AUDIO_ENDPT
};
/**
* enum cgs_clock - Clocks controlled by the SMU
*/
enum cgs_clock {
CGS_CLOCK__SCLK,
CGS_CLOCK__MCLK,
CGS_CLOCK__VCLK,
CGS_CLOCK__DCLK,
CGS_CLOCK__ECLK,
CGS_CLOCK__ACLK,
CGS_CLOCK__ICLK,
/* ... */
};
/**
* enum cgs_engine - Engines that can be statically power-gated
*/
enum cgs_engine {
CGS_ENGINE__UVD,
CGS_ENGINE__VCE,
CGS_ENGINE__VP8,
CGS_ENGINE__ACP_DMA,
CGS_ENGINE__ACP_DSP0,
CGS_ENGINE__ACP_DSP1,
CGS_ENGINE__ISP,
/* ... */
};
/**
* enum cgs_voltage_planes - Voltage planes for external camera HW
*/
enum cgs_voltage_planes {
CGS_VOLTAGE_PLANE__SENSOR0,
CGS_VOLTAGE_PLANE__SENSOR1,
/* ... */
};
/*
* enum cgs_ucode_id - Firmware types for different IPs
*/
enum cgs_ucode_id {
CGS_UCODE_ID_SMU = 0,
CGS_UCODE_ID_SDMA0,
CGS_UCODE_ID_SDMA1,
CGS_UCODE_ID_CP_CE,
CGS_UCODE_ID_CP_PFP,
CGS_UCODE_ID_CP_ME,
CGS_UCODE_ID_CP_MEC,
CGS_UCODE_ID_CP_MEC_JT1,
CGS_UCODE_ID_CP_MEC_JT2,
CGS_UCODE_ID_GMCON_RENG,
CGS_UCODE_ID_RLC_G,
CGS_UCODE_ID_MAXIMUM,
};
/**
* struct cgs_clock_limits - Clock limits
*
* Clocks are specified in 10KHz units.
*/
struct cgs_clock_limits {
unsigned min; /**< Minimum supported frequency */
unsigned max; /**< Maxumim supported frequency */
unsigned sustainable; /**< Thermally sustainable frequency */
};
/**
* struct cgs_firmware_info - Firmware information
*/
struct cgs_firmware_info {
uint16_t version;
uint16_t feature_version;
uint32_t image_size;
uint64_t mc_addr;
void *kptr;
};
typedef unsigned long cgs_handle_t;
/**
* cgs_gpu_mem_info() - Return information about memory heaps
* @cgs_device: opaque device handle
* @type: memory type
* @mc_start: Start MC address of the heap (output)
* @mc_size: MC address space size (output)
* @mem_size: maximum amount of memory available for allocation (output)
*
* This function returns information about memory heaps. The type
* parameter is used to select the memory heap. The mc_start and
* mc_size for GART heaps may be bigger than the memory available for
* allocation.
*
* mc_start and mc_size are undefined for non-contiguous FB memory
* types, since buffers allocated with these types may or may not be
* GART mapped.
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_gpu_mem_info_t)(void *cgs_device, enum cgs_gpu_mem_type type,
uint64_t *mc_start, uint64_t *mc_size,
uint64_t *mem_size);
/**
* cgs_gmap_kmem() - map kernel memory to GART aperture
* @cgs_device: opaque device handle
* @kmem: pointer to kernel memory
* @size: size to map
* @min_offset: minimum offset from start of GART aperture
* @max_offset: maximum offset from start of GART aperture
* @kmem_handle: kernel memory handle (output)
* @mcaddr: MC address (output)
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_gmap_kmem_t)(void *cgs_device, void *kmem, uint64_t size,
uint64_t min_offset, uint64_t max_offset,
cgs_handle_t *kmem_handle, uint64_t *mcaddr);
/**
* cgs_gunmap_kmem() - unmap kernel memory
* @cgs_device: opaque device handle
* @kmem_handle: kernel memory handle returned by gmap_kmem
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_gunmap_kmem_t)(void *cgs_device, cgs_handle_t kmem_handle);
/**
* cgs_alloc_gpu_mem() - Allocate GPU memory
* @cgs_device: opaque device handle
* @type: memory type
* @size: size in bytes
* @align: alignment in bytes
* @min_offset: minimum offset from start of heap
* @max_offset: maximum offset from start of heap
* @handle: memory handle (output)
*
* The memory types CGS_GPU_MEM_TYPE_*_CONTIG_FB force contiguous
* memory allocation. This guarantees that the MC address returned by
* cgs_gmap_gpu_mem is not mapped through the GART. The non-contiguous
* FB memory types may be GART mapped depending on memory
* fragmentation and memory allocator policies.
*
* If min/max_offset are non-0, the allocation will be forced to
* reside between these offsets in its respective memory heap. The
* base address that the offset relates to, depends on the memory
* type.
*
* - CGS_GPU_MEM_TYPE__*_CONTIG_FB: FB MC base address
* - CGS_GPU_MEM_TYPE__GART_*: GART aperture base address
* - others: undefined, don't use with max_offset
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_alloc_gpu_mem_t)(void *cgs_device, enum cgs_gpu_mem_type type,
uint64_t size, uint64_t align,
uint64_t min_offset, uint64_t max_offset,
cgs_handle_t *handle);
/**
* cgs_free_gpu_mem() - Free GPU memory
* @cgs_device: opaque device handle
* @handle: memory handle returned by alloc or import
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_free_gpu_mem_t)(void *cgs_device, cgs_handle_t handle);
/**
* cgs_gmap_gpu_mem() - GPU-map GPU memory
* @cgs_device: opaque device handle
* @handle: memory handle returned by alloc or import
* @mcaddr: MC address (output)
*
* Ensures that a buffer is GPU accessible and returns its MC address.
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_gmap_gpu_mem_t)(void *cgs_device, cgs_handle_t handle,
uint64_t *mcaddr);
/**
* cgs_gunmap_gpu_mem() - GPU-unmap GPU memory
* @cgs_device: opaque device handle
* @handle: memory handle returned by alloc or import
*
* Allows the buffer to be migrated while it's not used by the GPU.
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_gunmap_gpu_mem_t)(void *cgs_device, cgs_handle_t handle);
/**
* cgs_kmap_gpu_mem() - Kernel-map GPU memory
*
* @cgs_device: opaque device handle
* @handle: memory handle returned by alloc or import
* @map: Kernel virtual address the memory was mapped to (output)
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_kmap_gpu_mem_t)(void *cgs_device, cgs_handle_t handle,
void **map);
/**
* cgs_kunmap_gpu_mem() - Kernel-unmap GPU memory
* @cgs_device: opaque device handle
* @handle: memory handle returned by alloc or import
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_kunmap_gpu_mem_t)(void *cgs_device, cgs_handle_t handle);
/**
* cgs_read_register() - Read an MMIO register
* @cgs_device: opaque device handle
* @offset: register offset
*
* Return: register value
*/
typedef uint32_t (*cgs_read_register_t)(void *cgs_device, unsigned offset);
/**
* cgs_write_register() - Write an MMIO register
* @cgs_device: opaque device handle
* @offset: register offset
* @value: register value
*/
typedef void (*cgs_write_register_t)(void *cgs_device, unsigned offset,
uint32_t value);
/**
* cgs_read_ind_register() - Read an indirect register
* @cgs_device: opaque device handle
* @offset: register offset
*
* Return: register value
*/
typedef uint32_t (*cgs_read_ind_register_t)(void *cgs_device, enum cgs_ind_reg space,
unsigned index);
/**
* cgs_write_ind_register() - Write an indirect register
* @cgs_device: opaque device handle
* @offset: register offset
* @value: register value
*/
typedef void (*cgs_write_ind_register_t)(void *cgs_device, enum cgs_ind_reg space,
unsigned index, uint32_t value);
/**
* cgs_read_pci_config_byte() - Read byte from PCI configuration space
* @cgs_device: opaque device handle
* @addr: address
*
* Return: Value read
*/
typedef uint8_t (*cgs_read_pci_config_byte_t)(void *cgs_device, unsigned addr);
/**
* cgs_read_pci_config_word() - Read word from PCI configuration space
* @cgs_device: opaque device handle
* @addr: address, must be word-aligned
*
* Return: Value read
*/
typedef uint16_t (*cgs_read_pci_config_word_t)(void *cgs_device, unsigned addr);
/**
* cgs_read_pci_config_dword() - Read dword from PCI configuration space
* @cgs_device: opaque device handle
* @addr: address, must be dword-aligned
*
* Return: Value read
*/
typedef uint32_t (*cgs_read_pci_config_dword_t)(void *cgs_device,
unsigned addr);
/**
* cgs_write_pci_config_byte() - Write byte to PCI configuration space
* @cgs_device: opaque device handle
* @addr: address
* @value: value to write
*/
typedef void (*cgs_write_pci_config_byte_t)(void *cgs_device, unsigned addr,
uint8_t value);
/**
* cgs_write_pci_config_word() - Write byte to PCI configuration space
* @cgs_device: opaque device handle
* @addr: address, must be word-aligned
* @value: value to write
*/
typedef void (*cgs_write_pci_config_word_t)(void *cgs_device, unsigned addr,
uint16_t value);
/**
* cgs_write_pci_config_dword() - Write byte to PCI configuration space
* @cgs_device: opaque device handle
* @addr: address, must be dword-aligned
* @value: value to write
*/
typedef void (*cgs_write_pci_config_dword_t)(void *cgs_device, unsigned addr,
uint32_t value);
/**
* cgs_atom_get_data_table() - Get a pointer to an ATOM BIOS data table
* @cgs_device: opaque device handle
* @table: data table index
* @size: size of the table (output, may be NULL)
* @frev: table format revision (output, may be NULL)
* @crev: table content revision (output, may be NULL)
*
* Return: Pointer to start of the table, or NULL on failure
*/
typedef const void *(*cgs_atom_get_data_table_t)(
void *cgs_device, unsigned table,
uint16_t *size, uint8_t *frev, uint8_t *crev);
/**
* cgs_atom_get_cmd_table_revs() - Get ATOM BIOS command table revisions
* @cgs_device: opaque device handle
* @table: data table index
* @frev: table format revision (output, may be NULL)
* @crev: table content revision (output, may be NULL)
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_atom_get_cmd_table_revs_t)(void *cgs_device, unsigned table,
uint8_t *frev, uint8_t *crev);
/**
* cgs_atom_exec_cmd_table() - Execute an ATOM BIOS command table
* @cgs_device: opaque device handle
* @table: command table index
* @args: arguments
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_atom_exec_cmd_table_t)(void *cgs_device,
unsigned table, void *args);
/**
* cgs_create_pm_request() - Create a power management request
* @cgs_device: opaque device handle
* @request: handle of created PM request (output)
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_create_pm_request_t)(void *cgs_device, cgs_handle_t *request);
/**
* cgs_destroy_pm_request() - Destroy a power management request
* @cgs_device: opaque device handle
* @request: handle of created PM request
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_destroy_pm_request_t)(void *cgs_device, cgs_handle_t request);
/**
* cgs_set_pm_request() - Activate or deactiveate a PM request
* @cgs_device: opaque device handle
* @request: PM request handle
* @active: 0 = deactivate, non-0 = activate
*
* While a PM request is active, its minimum clock requests are taken
* into account as the requested engines are powered up. When the
* request is inactive, the engines may be powered down and clocks may
* be lower, depending on other PM requests by other driver
* components.
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_set_pm_request_t)(void *cgs_device, cgs_handle_t request,
int active);
/**
* cgs_pm_request_clock() - Request a minimum frequency for a specific clock
* @cgs_device: opaque device handle
* @request: PM request handle
* @clock: which clock?
* @freq: requested min. frequency in 10KHz units (0 to clear request)
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_pm_request_clock_t)(void *cgs_device, cgs_handle_t request,
enum cgs_clock clock, unsigned freq);
/**
* cgs_pm_request_engine() - Request an engine to be powered up
* @cgs_device: opaque device handle
* @request: PM request handle
* @engine: which engine?
* @powered: 0 = powered down, non-0 = powered up
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_pm_request_engine_t)(void *cgs_device, cgs_handle_t request,
enum cgs_engine engine, int powered);
/**
* cgs_pm_query_clock_limits() - Query clock frequency limits
* @cgs_device: opaque device handle
* @clock: which clock?
* @limits: clock limits
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_pm_query_clock_limits_t)(void *cgs_device,
enum cgs_clock clock,
struct cgs_clock_limits *limits);
/**
* cgs_set_camera_voltages() - Apply specific voltages to PMIC voltage planes
* @cgs_device: opaque device handle
* @mask: bitmask of voltages to change (1<<CGS_VOLTAGE_PLANE__xyz|...)
* @voltages: pointer to array of voltage values in 1mV units
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_set_camera_voltages_t)(void *cgs_device, uint32_t mask,
const uint32_t *voltages);
/**
* cgs_get_firmware_info - Get the firmware information from core driver
* @cgs_device: opaque device handle
* @type: the firmware type
* @info: returend firmware information
*
* Return: 0 on success, -errno otherwise
*/
typedef int (*cgs_get_firmware_info)(void *cgs_device,
enum cgs_ucode_id type,
struct cgs_firmware_info *info);
typedef int(*cgs_set_powergating_state)(void *cgs_device,
enum amd_ip_block_type block_type,
enum amd_powergating_state state);
typedef int(*cgs_set_clockgating_state)(void *cgs_device,
enum amd_ip_block_type block_type,
enum amd_clockgating_state state);
struct cgs_ops {
/* memory management calls (similar to KFD interface) */
cgs_gpu_mem_info_t gpu_mem_info;
cgs_gmap_kmem_t gmap_kmem;
cgs_gunmap_kmem_t gunmap_kmem;
cgs_alloc_gpu_mem_t alloc_gpu_mem;
cgs_free_gpu_mem_t free_gpu_mem;
cgs_gmap_gpu_mem_t gmap_gpu_mem;
cgs_gunmap_gpu_mem_t gunmap_gpu_mem;
cgs_kmap_gpu_mem_t kmap_gpu_mem;
cgs_kunmap_gpu_mem_t kunmap_gpu_mem;
/* MMIO access */
cgs_read_register_t read_register;
cgs_write_register_t write_register;
cgs_read_ind_register_t read_ind_register;
cgs_write_ind_register_t write_ind_register;
/* PCI configuration space access */
cgs_read_pci_config_byte_t read_pci_config_byte;
cgs_read_pci_config_word_t read_pci_config_word;
cgs_read_pci_config_dword_t read_pci_config_dword;
cgs_write_pci_config_byte_t write_pci_config_byte;
cgs_write_pci_config_word_t write_pci_config_word;
cgs_write_pci_config_dword_t write_pci_config_dword;
/* ATOM BIOS */
cgs_atom_get_data_table_t atom_get_data_table;
cgs_atom_get_cmd_table_revs_t atom_get_cmd_table_revs;
cgs_atom_exec_cmd_table_t atom_exec_cmd_table;
/* Power management */
cgs_create_pm_request_t create_pm_request;
cgs_destroy_pm_request_t destroy_pm_request;
cgs_set_pm_request_t set_pm_request;
cgs_pm_request_clock_t pm_request_clock;
cgs_pm_request_engine_t pm_request_engine;
cgs_pm_query_clock_limits_t pm_query_clock_limits;
cgs_set_camera_voltages_t set_camera_voltages;
/* Firmware Info */
cgs_get_firmware_info get_firmware_info;
/* cg pg interface*/
cgs_set_powergating_state set_powergating_state;
cgs_set_clockgating_state set_clockgating_state;
/* ACPI (TODO) */
};
struct cgs_os_ops; /* To be define in OS-specific CGS header */
struct cgs_device
{
const struct cgs_ops *ops;
const struct cgs_os_ops *os_ops;
/* to be embedded at the start of driver private structure */
};
/* Convenience macros that make CGS indirect function calls look like
* normal function calls */
#define CGS_CALL(func,dev,...) \
(((struct cgs_device *)dev)->ops->func(dev, ##__VA_ARGS__))
#define CGS_OS_CALL(func,dev,...) \
(((struct cgs_device *)dev)->os_ops->func(dev, ##__VA_ARGS__))
#define cgs_gpu_mem_info(dev,type,mc_start,mc_size,mem_size) \
CGS_CALL(gpu_mem_info,dev,type,mc_start,mc_size,mem_size)
#define cgs_gmap_kmem(dev,kmem,size,min_off,max_off,kmem_handle,mcaddr) \
CGS_CALL(gmap_kmem,dev,kmem,size,min_off,max_off,kmem_handle,mcaddr)
#define cgs_gunmap_kmem(dev,kmem_handle) \
CGS_CALL(gunmap_kmem,dev,keme_handle)
#define cgs_alloc_gpu_mem(dev,type,size,align,min_off,max_off,handle) \
CGS_CALL(alloc_gpu_mem,dev,type,size,align,min_off,max_off,handle)
#define cgs_free_gpu_mem(dev,handle) \
CGS_CALL(free_gpu_mem,dev,handle)
#define cgs_gmap_gpu_mem(dev,handle,mcaddr) \
CGS_CALL(gmap_gpu_mem,dev,handle,mcaddr)
#define cgs_gunmap_gpu_mem(dev,handle) \
CGS_CALL(gunmap_gpu_mem,dev,handle)
#define cgs_kmap_gpu_mem(dev,handle,map) \
CGS_CALL(kmap_gpu_mem,dev,handle,map)
#define cgs_kunmap_gpu_mem(dev,handle) \
CGS_CALL(kunmap_gpu_mem,dev,handle)
#define cgs_read_register(dev,offset) \
CGS_CALL(read_register,dev,offset)
#define cgs_write_register(dev,offset,value) \
CGS_CALL(write_register,dev,offset,value)
#define cgs_read_ind_register(dev,space,index) \
CGS_CALL(read_ind_register,dev,space,index)
#define cgs_write_ind_register(dev,space,index,value) \
CGS_CALL(write_ind_register,dev,space,index,value)
#define cgs_read_pci_config_byte(dev,addr) \
CGS_CALL(read_pci_config_byte,dev,addr)
#define cgs_read_pci_config_word(dev,addr) \
CGS_CALL(read_pci_config_word,dev,addr)
#define cgs_read_pci_config_dword(dev,addr) \
CGS_CALL(read_pci_config_dword,dev,addr)
#define cgs_write_pci_config_byte(dev,addr,value) \
CGS_CALL(write_pci_config_byte,dev,addr,value)
#define cgs_write_pci_config_word(dev,addr,value) \
CGS_CALL(write_pci_config_word,dev,addr,value)
#define cgs_write_pci_config_dword(dev,addr,value) \
CGS_CALL(write_pci_config_dword,dev,addr,value)
#define cgs_atom_get_data_table(dev,table,size,frev,crev) \
CGS_CALL(atom_get_data_table,dev,table,size,frev,crev)
#define cgs_atom_get_cmd_table_revs(dev,table,frev,crev) \
CGS_CALL(atom_get_cmd_table_revs,dev,table,frev,crev)
#define cgs_atom_exec_cmd_table(dev,table,args) \
CGS_CALL(atom_exec_cmd_table,dev,table,args)
#define cgs_create_pm_request(dev,request) \
CGS_CALL(create_pm_request,dev,request)
#define cgs_destroy_pm_request(dev,request) \
CGS_CALL(destroy_pm_request,dev,request)
#define cgs_set_pm_request(dev,request,active) \
CGS_CALL(set_pm_request,dev,request,active)
#define cgs_pm_request_clock(dev,request,clock,freq) \
CGS_CALL(pm_request_clock,dev,request,clock,freq)
#define cgs_pm_request_engine(dev,request,engine,powered) \
CGS_CALL(pm_request_engine,dev,request,engine,powered)
#define cgs_pm_query_clock_limits(dev,clock,limits) \
CGS_CALL(pm_query_clock_limits,dev,clock,limits)
#define cgs_set_camera_voltages(dev,mask,voltages) \
CGS_CALL(set_camera_voltages,dev,mask,voltages)
#define cgs_get_firmware_info(dev, type, info) \
CGS_CALL(get_firmware_info, dev, type, info)
#define cgs_set_powergating_state(dev, block_type, state) \
CGS_CALL(set_powergating_state, dev, block_type, state)
#define cgs_set_clockgating_state(dev, block_type, state) \
CGS_CALL(set_clockgating_state, dev, block_type, state)
#endif /* _CGS_COMMON_H */