/* * Copyright 2007-8 Advanced Micro Devices, Inc. * Copyright 2008 Red Hat 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: Dave Airlie * Alex Deucher */ #include <drm/amdgpu_drm.h> #include "amdgpu.h" #include "amdgpu_atombios.h" #include "amdgpu_atomfirmware.h" #include "amdgpu_i2c.h" #include "amdgpu_display.h" #include "atom.h" #include "atom-bits.h" #include "atombios_encoders.h" #include "bif/bif_4_1_d.h" static void amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device *adev, ATOM_GPIO_I2C_ASSIGMENT *gpio, u8 index) { … } static struct amdgpu_i2c_bus_rec amdgpu_atombios_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio) { … } struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device *adev, uint8_t id) { … } void amdgpu_atombios_i2c_init(struct amdgpu_device *adev) { … } struct amdgpu_gpio_rec amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev, u8 id) { … } static struct amdgpu_hpd amdgpu_atombios_get_hpd_info_from_gpio(struct amdgpu_device *adev, struct amdgpu_gpio_rec *gpio) { … } static const int object_connector_convert[] = …; bool amdgpu_atombios_has_dce_engine_info(struct amdgpu_device *adev) { … } bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *adev) { … } firmware_info; int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev) { … } gfx_info; int amdgpu_atombios_get_gfx_info(struct amdgpu_device *adev) { … } igp_info; /* * Return vram width from integrated system info table, if available, * or 0 if not. */ int amdgpu_atombios_get_vram_width(struct amdgpu_device *adev) { … } static void amdgpu_atombios_get_igp_ss_overrides(struct amdgpu_device *adev, struct amdgpu_atom_ss *ss, int id) { … } asic_ss_info; asic_ss_assignment; bool amdgpu_atombios_get_asic_ss_info(struct amdgpu_device *adev, struct amdgpu_atom_ss *ss, int id, u32 clock) { … } get_clock_dividers; int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev, u8 clock_type, u32 clock, bool strobe_mode, struct atom_clock_dividers *dividers) { … } #ifdef CONFIG_DRM_AMDGPU_SI int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev, u32 clock, bool strobe_mode, struct atom_mpll_param *mpll_param) { … } void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, u32 eng_clock, u32 mem_clock) { … } void amdgpu_atombios_get_default_voltages(struct amdgpu_device *adev, u16 *vddc, u16 *vddci, u16 *mvdd) { … } set_voltage; int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type, u16 voltage_id, u16 *voltage) { … } int amdgpu_atombios_get_leakage_vddc_based_on_leakage_idx(struct amdgpu_device *adev, u16 *voltage, u16 leakage_idx) { … } voltage_object_info; voltage_object; static ATOM_VOLTAGE_OBJECT_V3 *amdgpu_atombios_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 *v3, u8 voltage_type, u8 voltage_mode) { … } int amdgpu_atombios_get_svi2_info(struct amdgpu_device *adev, u8 voltage_type, u8 *svd_gpio_id, u8 *svc_gpio_id) { … } bool amdgpu_atombios_is_voltage_gpio(struct amdgpu_device *adev, u8 voltage_type, u8 voltage_mode) { … } int amdgpu_atombios_get_voltage_table(struct amdgpu_device *adev, u8 voltage_type, u8 voltage_mode, struct atom_voltage_table *voltage_table) { … } vram_info; #define MEM_ID_MASK … #define MEM_ID_SHIFT … #define CLOCK_RANGE_MASK … #define CLOCK_RANGE_SHIFT … #define LOW_NIBBLE_MASK … #define DATA_EQU_PREV … #define DATA_FROM_TABLE … int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, u8 module_index, struct atom_mc_reg_table *reg_table) { … } #endif bool amdgpu_atombios_has_gpu_virtualization_table(struct amdgpu_device *adev) { … } void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock) { … } static void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev) { … } void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev, bool hung) { … } void amdgpu_atombios_scratch_regs_set_backlight_level(struct amdgpu_device *adev, u32 backlight_level) { … } bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev) { … } /* Atom needs data in little endian format so swap as appropriate when copying * data to or from atom. Note that atom operates on dw units. * * Use to_le=true when sending data to atom and provide at least * ALIGN(num_bytes,4) bytes in the dst buffer. * * Use to_le=false when receiving data from atom and provide ALIGN(num_bytes,4) * byes in the src buffer. */ void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le) { … } static int amdgpu_atombios_allocate_fb_scratch(struct amdgpu_device *adev) { … } /* ATOM accessor methods */ /* * ATOM is an interpreted byte code stored in tables in the vbios. The * driver registers callbacks to access registers and the interpreter * in the driver parses the tables and executes then to program specific * actions (set display modes, asic init, etc.). See amdgpu_atombios.c, * atombios.h, and atom.c */ /** * cail_pll_read - read PLL register * * @info: atom card_info pointer * @reg: PLL register offset * * Provides a PLL register accessor for the atom interpreter (r4xx+). * Returns the value of the PLL register. */ static uint32_t cail_pll_read(struct card_info *info, uint32_t reg) { … } /** * cail_pll_write - write PLL register * * @info: atom card_info pointer * @reg: PLL register offset * @val: value to write to the pll register * * Provides a PLL register accessor for the atom interpreter (r4xx+). */ static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val) { … } /** * cail_mc_read - read MC (Memory Controller) register * * @info: atom card_info pointer * @reg: MC register offset * * Provides an MC register accessor for the atom interpreter (r4xx+). * Returns the value of the MC register. */ static uint32_t cail_mc_read(struct card_info *info, uint32_t reg) { … } /** * cail_mc_write - write MC (Memory Controller) register * * @info: atom card_info pointer * @reg: MC register offset * @val: value to write to the pll register * * Provides a MC register accessor for the atom interpreter (r4xx+). */ static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val) { … } /** * cail_reg_write - write MMIO register * * @info: atom card_info pointer * @reg: MMIO register offset * @val: value to write to the pll register * * Provides a MMIO register accessor for the atom interpreter (r4xx+). */ static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val) { … } /** * cail_reg_read - read MMIO register * * @info: atom card_info pointer * @reg: MMIO register offset * * Provides an MMIO register accessor for the atom interpreter (r4xx+). * Returns the value of the MMIO register. */ static uint32_t cail_reg_read(struct card_info *info, uint32_t reg) { … } static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version, NULL); static struct attribute *amdgpu_vbios_version_attrs[] = …; const struct attribute_group amdgpu_vbios_version_attr_group = …; int amdgpu_atombios_sysfs_init(struct amdgpu_device *adev) { … } /** * amdgpu_atombios_fini - free the driver info and callbacks for atombios * * @adev: amdgpu_device pointer * * Frees the driver info and register access callbacks for the ATOM * interpreter (r4xx+). * Called at driver shutdown. */ void amdgpu_atombios_fini(struct amdgpu_device *adev) { … } /** * amdgpu_atombios_init - init the driver info and callbacks for atombios * * @adev: amdgpu_device pointer * * Initializes the driver info and register access callbacks for the * ATOM interpreter (r4xx+). * Returns 0 on sucess, -ENOMEM on failure. * Called at driver startup. */ int amdgpu_atombios_init(struct amdgpu_device *adev) { … } int amdgpu_atombios_get_data_table(struct amdgpu_device *adev, uint32_t table, uint16_t *size, uint8_t *frev, uint8_t *crev, uint8_t **addr) { … }
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