diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-06-30 14:50:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-06-30 14:50:00 -0700 |
| commit | 9c3255a8f3946a4c8844f1e2e093313f3b71cb30 (patch) | |
| tree | 5ca0e29c41444c96406a3ed4874800300de69d8e /drivers/platform | |
| parent | 6cdbb0907a3c562723455e351c940037bdec9b7a (diff) | |
| parent | d2a7bd3690990ab8a8239096ee432ad51985d5b6 (diff) | |
| download | linux-9c3255a8f3946a4c8844f1e2e093313f3b71cb30.tar.gz linux-9c3255a8f3946a4c8844f1e2e093313f3b71cb30.tar.bz2 linux-9c3255a8f3946a4c8844f1e2e093313f3b71cb30.zip | |
Merge tag 'platform-drivers-x86-v6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"AMD PMC and PMF drivers:
- Various bugfixes
- Improved debugging support
Intel PMC:
- Refactor to support hw with multiple PMCs
- Various other improvements / new hw support
Intel Speed Select Technology (ISST):
- TPMI Uncore Frequency + Cluster Level Power Controls
- Various bugfixes
- tools/intel-speed-select: Misc improvements
Dell-DDV: Add documentation
INT3472 ACPI camera sensor glue code:
- Evaluate device's _DSM method to control imaging clock
- Drop the need to have a table with per sensor-model info
Lenovo Yogabook:
- Refactor / rework to also support Android models
Think-LMI:
- Multiple improvements and fixes
WMI:
- Add proper API documentation for the WMI bus
x86-android-tablets:
- Misc new hw support
Miscellaneous other cleanups / fixes"
* tag 'platform-drivers-x86-v6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (91 commits)
platform/x86:intel/pmc: Add Meteor Lake IOE-M PMC related maps
platform/x86:intel/pmc: Add Meteor Lake IOE-P PMC related maps
platform/x86:intel/pmc: Use SSRAM to discover pwrm base address of primary PMC
platform/x86:intel/pmc: Discover PMC devices
platform/x86:intel/pmc: Enable debugfs multiple PMC support
platform/x86:intel/pmc: Add support to handle multiple PMCs
platform/x86:intel/pmc: Combine core_init() and core_configure()
platform/x86:intel/pmc: Update maps for Meteor Lake P/M platforms
platform/x86/intel: tpmi: Remove hardcoded unit and offset
platform/x86: int3472: discrete: Log a warning if the pin-numbers don't match
platform/x86: int3472: discrete: Use FIELD_GET() on the GPIO _DSM return value
platform/x86: int3472: discrete: Add alternative "AVDD" regulator supply name
platform/x86: int3472: discrete: Add support for 1 GPIO regulator shared between 2 sensors
platform/x86: int3472: discrete: Remove sensor_config-s
platform/x86: int3472: discrete: Drop GPIO remapping support
platform/x86: apple-gmux: don't use be32_to_cpu and cpu_to_be32
platform/x86/dell/dell-rbtn: Fix resources leaking on error path
platform/x86: ISST: Fix usage counter
platform/x86: ISST: Reset default callback on unregister
platform/x86: int3472: Switch back to use struct i2c_driver's .probe()
...
Diffstat (limited to 'drivers/platform')
51 files changed, 3844 insertions, 928 deletions
diff --git a/drivers/platform/mellanox/mlxbf-bootctl.c b/drivers/platform/mellanox/mlxbf-bootctl.c index 1bad1d278672..fb9f7815c6cd 100644 --- a/drivers/platform/mellanox/mlxbf-bootctl.c +++ b/drivers/platform/mellanox/mlxbf-bootctl.c @@ -11,6 +11,7 @@ #include <linux/acpi.h> #include <linux/arm-smccc.h> #include <linux/delay.h> +#include <linux/iopoll.h> #include <linux/module.h> #include <linux/platform_device.h> @@ -45,10 +46,39 @@ static const char * const mlxbf_bootctl_lifecycle_states[] = { [3] = "RMA", }; +/* Log header format. */ +#define MLXBF_RSH_LOG_TYPE_MASK GENMASK_ULL(59, 56) +#define MLXBF_RSH_LOG_LEN_MASK GENMASK_ULL(54, 48) +#define MLXBF_RSH_LOG_LEVEL_MASK GENMASK_ULL(7, 0) + +/* Log module ID and type (only MSG type in Linux driver for now). */ +#define MLXBF_RSH_LOG_TYPE_MSG 0x04ULL + +/* Log ctl/data register offset. */ +#define MLXBF_RSH_SCRATCH_BUF_CTL_OFF 0 +#define MLXBF_RSH_SCRATCH_BUF_DATA_OFF 0x10 + +/* Log message levels. */ +enum { + MLXBF_RSH_LOG_INFO, + MLXBF_RSH_LOG_WARN, + MLXBF_RSH_LOG_ERR, + MLXBF_RSH_LOG_ASSERT +}; + /* Mapped pointer for RSH_BOOT_FIFO_DATA and RSH_BOOT_FIFO_COUNT register. */ static void __iomem *mlxbf_rsh_boot_data; static void __iomem *mlxbf_rsh_boot_cnt; +/* Mapped pointer for rsh log semaphore/ctrl/data register. */ +static void __iomem *mlxbf_rsh_semaphore; +static void __iomem *mlxbf_rsh_scratch_buf_ctl; +static void __iomem *mlxbf_rsh_scratch_buf_data; + +/* Rsh log levels. */ +static const char * const mlxbf_rsh_log_level[] = { + "INFO", "WARN", "ERR", "ASSERT"}; + /* ARM SMC call which is atomic and no need for lock. */ static int mlxbf_bootctl_smc(unsigned int smc_op, int smc_arg) { @@ -266,12 +296,108 @@ static ssize_t fw_reset_store(struct device *dev, return count; } +/* Size(8-byte words) of the log buffer. */ +#define RSH_SCRATCH_BUF_CTL_IDX_MASK 0x7f + +/* 100ms timeout */ +#define RSH_SCRATCH_BUF_POLL_TIMEOUT 100000 + +static int mlxbf_rsh_log_sem_lock(void) +{ + unsigned long reg; + + return readq_poll_timeout(mlxbf_rsh_semaphore, reg, !reg, 0, + RSH_SCRATCH_BUF_POLL_TIMEOUT); +} + +static void mlxbf_rsh_log_sem_unlock(void) +{ + writeq(0, mlxbf_rsh_semaphore); +} + +static ssize_t rsh_log_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int rc, idx, num, len, level = MLXBF_RSH_LOG_INFO; + size_t size = count; + u64 data; + + if (!size) + return -EINVAL; + + if (!mlxbf_rsh_semaphore || !mlxbf_rsh_scratch_buf_ctl) + return -EOPNOTSUPP; + + /* Ignore line break at the end. */ + if (buf[size - 1] == '\n') + size--; + + /* Check the message prefix. */ + for (idx = 0; idx < ARRAY_SIZE(mlxbf_rsh_log_level); idx++) { + len = strlen(mlxbf_rsh_log_level[idx]); + if (len + 1 < size && + !strncmp(buf, mlxbf_rsh_log_level[idx], len)) { + buf += len; + size -= len; + level = idx; + break; + } + } + + /* Ignore leading spaces. */ + while (size > 0 && buf[0] == ' ') { + size--; + buf++; + } + + /* Take the semaphore. */ + rc = mlxbf_rsh_log_sem_lock(); + if (rc) + return rc; + + /* Calculate how many words are available. */ + idx = readq(mlxbf_rsh_scratch_buf_ctl); + num = min((int)DIV_ROUND_UP(size, sizeof(u64)), + RSH_SCRATCH_BUF_CTL_IDX_MASK - idx - 1); + if (num <= 0) + goto done; + + /* Write Header. */ + data = FIELD_PREP(MLXBF_RSH_LOG_TYPE_MASK, MLXBF_RSH_LOG_TYPE_MSG); + data |= FIELD_PREP(MLXBF_RSH_LOG_LEN_MASK, num); + data |= FIELD_PREP(MLXBF_RSH_LOG_LEVEL_MASK, level); + writeq(data, mlxbf_rsh_scratch_buf_data); + + /* Write message. */ + for (idx = 0; idx < num && size > 0; idx++) { + if (size < sizeof(u64)) { + data = 0; + memcpy(&data, buf, size); + size = 0; + } else { + memcpy(&data, buf, sizeof(u64)); + size -= sizeof(u64); + buf += sizeof(u64); + } + writeq(data, mlxbf_rsh_scratch_buf_data); + } + +done: + /* Release the semaphore. */ + mlxbf_rsh_log_sem_unlock(); + + /* Ignore the rest if no more space. */ + return count; +} + static DEVICE_ATTR_RW(post_reset_wdog); static DEVICE_ATTR_RW(reset_action); static DEVICE_ATTR_RW(second_reset_action); static DEVICE_ATTR_RO(lifecycle_state); static DEVICE_ATTR_RO(secure_boot_fuse_state); static DEVICE_ATTR_WO(fw_reset); +static DEVICE_ATTR_WO(rsh_log); static struct attribute *mlxbf_bootctl_attrs[] = { &dev_attr_post_reset_wdog.attr, @@ -280,6 +406,7 @@ static struct attribute *mlxbf_bootctl_attrs[] = { &dev_attr_lifecycle_state.attr, &dev_attr_secure_boot_fuse_state.attr, &dev_attr_fw_reset.attr, + &dev_attr_rsh_log.attr, NULL }; @@ -345,19 +472,32 @@ static bool mlxbf_bootctl_guid_match(const guid_t *guid, static int mlxbf_bootctl_probe(struct platform_device *pdev) { struct arm_smccc_res res = { 0 }; + void __iomem *reg; guid_t guid; int ret; - /* Get the resource of the bootfifo data register. */ + /* Map the resource of the bootfifo data register. */ mlxbf_rsh_boot_data = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(mlxbf_rsh_boot_data)) return PTR_ERR(mlxbf_rsh_boot_data); - /* Get the resource of the bootfifo counter register. */ + /* Map the resource of the bootfifo counter register. */ mlxbf_rsh_boot_cnt = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(mlxbf_rsh_boot_cnt)) return PTR_ERR(mlxbf_rsh_boot_cnt); + /* Map the resource of the rshim semaphore register. */ + mlxbf_rsh_semaphore = devm_platform_ioremap_resource(pdev, 2); + if (IS_ERR(mlxbf_rsh_semaphore)) + return PTR_ERR(mlxbf_rsh_semaphore); + + /* Map the resource of the scratch buffer (log) registers. */ + reg = devm_platform_ioremap_resource(pdev, 3); + if (IS_ERR(reg)) + return PTR_ERR(reg); + mlxbf_rsh_scratch_buf_ctl = reg + MLXBF_RSH_SCRATCH_BUF_CTL_OFF; + mlxbf_rsh_scratch_buf_data = reg + MLXBF_RSH_SCRATCH_BUF_DATA_OFF; + /* Ensure we have the UUID we expect for this service. */ arm_smccc_smc(MLXBF_BOOTCTL_SIP_SVC_UID, 0, 0, 0, 0, 0, 0, 0, &res); guid_parse(mlxbf_bootctl_svc_uuid_str, &guid); diff --git a/drivers/platform/surface/surface3_power.c b/drivers/platform/surface/surface3_power.c index 73961a24c849..4c0f92562a79 100644 --- a/drivers/platform/surface/surface3_power.c +++ b/drivers/platform/surface/surface3_power.c @@ -573,7 +573,7 @@ static const struct acpi_device_id mshw0011_acpi_match[] = { MODULE_DEVICE_TABLE(acpi, mshw0011_acpi_match); static struct i2c_driver mshw0011_driver = { - .probe_new = mshw0011_probe, + .probe = mshw0011_probe, .remove = mshw0011_remove, .driver = { .name = "mshw0011", diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 22052031c719..49c2c4cd8d00 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -43,8 +43,8 @@ config WMI_BMOF default ACPI_WMI help Say Y here if you want to be able to read a firmware-embedded - WMI Binary MOF data. Using this requires userspace tools and may be - rather tedious. + WMI Binary MOF (Managed Object Format) data. Using this requires + userspace tools and may be rather tedious. To compile this driver as a module, choose M here: the module will be called wmi-bmof. @@ -121,10 +121,11 @@ config GIGABYTE_WMI To compile this driver as a module, choose M here: the module will be called gigabyte-wmi. -config YOGABOOK_WMI - tristate "Lenovo Yoga Book tablet WMI key driver" +config YOGABOOK + tristate "Lenovo Yoga Book tablet key driver" depends on ACPI_WMI depends on INPUT + depends on I2C select LEDS_CLASS select NEW_LEDS help @@ -132,7 +133,7 @@ config YOGABOOK_WMI control on the Lenovo Yoga Book tablets. To compile this driver as a module, choose M here: the module will - be called lenovo-yogabook-wmi. + be called lenovo-yogabook. config ACERHDF tristate "Acer Aspire One temperature and fan driver" diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index 2cafe51ec4d8..52dfdf574ac2 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -14,7 +14,6 @@ obj-$(CONFIG_MXM_WMI) += mxm-wmi.o obj-$(CONFIG_NVIDIA_WMI_EC_BACKLIGHT) += nvidia-wmi-ec-backlight.o obj-$(CONFIG_XIAOMI_WMI) += xiaomi-wmi.o obj-$(CONFIG_GIGABYTE_WMI) += gigabyte-wmi.o -obj-$(CONFIG_YOGABOOK_WMI) += lenovo-yogabook-wmi.o # Acer obj-$(CONFIG_ACERHDF) += acerhdf.o @@ -66,6 +65,7 @@ obj-$(CONFIG_LENOVO_YMC) += lenovo-ymc.o obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o obj-$(CONFIG_THINKPAD_LMI) += think-lmi.o +obj-$(CONFIG_YOGABOOK) += lenovo-yogabook.o # Intel obj-y += intel/ diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c index 1304cd6f13f6..7d3d080ff174 100644 --- a/drivers/platform/x86/amd/pmc.c +++ b/drivers/platform/x86/amd/pmc.c @@ -45,7 +45,6 @@ #define AMD_PMC_STB_DUMMY_PC 0xC6000007 /* STB S2D(Spill to DRAM) has different message port offset */ -#define STB_SPILL_TO_DRAM 0xBE #define AMD_S2D_REGISTER_MESSAGE 0xA20 #define AMD_S2D_REGISTER_RESPONSE 0xA80 #define AMD_S2D_REGISTER_ARGUMENT 0xA88 @@ -99,7 +98,6 @@ #define PMC_MSG_DELAY_MIN_US 50 #define RESPONSE_REGISTER_LOOP_MAX 20000 -#define SOC_SUBSYSTEM_IP_MAX 12 #define DELAY_MIN_US 2000 #define DELAY_MAX_US 3000 #define FIFO_SIZE 4096 @@ -115,6 +113,7 @@ enum s2d_arg { S2D_PHYS_ADDR_LOW, S2D_PHYS_ADDR_HIGH, S2D_NUM_SAMPLES, + S2D_DRAM_SIZE, }; struct amd_pmc_bit_map { @@ -132,9 +131,18 @@ static const struct amd_pmc_bit_map soc15_ip_blk[] = { {"ISP", BIT(6)}, {"NBIO", BIT(7)}, {"DF", BIT(8)}, - {"USB0", BIT(9)}, - {"USB1", BIT(10)}, + {"USB3_0", BIT(9)}, + {"USB3_1", BIT(10)}, {"LAPIC", BIT(11)}, + {"USB3_2", BIT(12)}, + {"USB3_3", BIT(13)}, + {"USB3_4", BIT(14)}, + {"USB4_0", BIT(15)}, + {"USB4_1", BIT(16)}, + {"MPM", BIT(17)}, + {"JPEG", BIT(18)}, + {"IPU", BIT(19)}, + {"UMSCH", BIT(20)}, {} }; @@ -147,6 +155,9 @@ struct amd_pmc_dev { u32 base_addr; u32 cpu_id; u32 active_ips; + u32 dram_size; + u32 num_ips; + u32 s2d_msg_id; /* SMU version information */ u8 smu_program; u8 major; @@ -194,8 +205,8 @@ struct smu_metrics { u64 timein_s0i3_totaltime; u64 timein_swdrips_lastcapture; u64 timein_swdrips_totaltime; - u64 timecondition_notmet_lastcapture[SOC_SUBSYSTEM_IP_MAX]; - u64 timecondition_notmet_totaltime[SOC_SUBSYSTEM_IP_MAX]; + u64 timecondition_notmet_lastcapture[32]; + u64 timecondition_notmet_totaltime[32]; } __packed; static int amd_pmc_stb_debugfs_open(struct inode *inode, struct file *filp) @@ -261,7 +272,7 @@ static int amd_pmc_stb_debugfs_open_v2(struct inode *inode, struct file *filp) dev->msg_port = 1; /* Get the num_samples to calculate the last push location */ - ret = amd_pmc_send_cmd(dev, S2D_NUM_SAMPLES, &num_samples, STB_SPILL_TO_DRAM, 1); + ret = amd_pmc_send_cmd(dev, S2D_NUM_SAMPLES, &num_samples, dev->s2d_msg_id, true); /* Clear msg_port for other SMU operation */ dev->msg_port = 0; if (ret) { @@ -308,6 +319,23 @@ static const struct file_operations amd_pmc_stb_debugfs_fops_v2 = { .release = amd_pmc_stb_debugfs_release_v2, }; +static void amd_pmc_get_ip_info(struct amd_pmc_dev *dev) +{ + switch (dev->cpu_id) { + case AMD_CPU_ID_PCO: + case AMD_CPU_ID_RN: + case AMD_CPU_ID_YC: + case AMD_CPU_ID_CB: + dev->num_ips = 12; + dev->s2d_msg_id = 0xBE; + break; + case AMD_CPU_ID_PS: + dev->num_ips = 21; + dev->s2d_msg_id = 0x85; + break; + } +} + static int amd_pmc_setup_smu_logging(struct amd_pmc_dev *dev) { if (dev->cpu_id == AMD_CPU_ID_PCO) { @@ -317,15 +345,15 @@ static int amd_pmc_setup_smu_logging(struct amd_pmc_dev *dev) /* Get Active devices list from SMU */ if (!dev->active_ips) - amd_pmc_send_cmd(dev, 0, &dev->active_ips, SMU_MSG_GET_SUP_CONSTRAINTS, 1); + amd_pmc_send_cmd(dev, 0, &dev->active_ips, SMU_MSG_GET_SUP_CONSTRAINTS, true); /* Get dram address */ if (!dev->smu_virt_addr) { u32 phys_addr_low, phys_addr_hi; u64 smu_phys_addr; - amd_pmc_send_cmd(dev, 0, &phys_addr_low, SMU_MSG_LOG_GETDRAM_ADDR_LO, 1); - amd_pmc_send_cmd(dev, 0, &phys_addr_hi, SMU_MSG_LOG_GETDRAM_ADDR_HI, 1); + amd_pmc_send_cmd(dev, 0, &phys_addr_low, SMU_MSG_LOG_GETDRAM_ADDR_LO, true); + amd_pmc_send_cmd(dev, 0, &phys_addr_hi, SMU_MSG_LOG_GETDRAM_ADDR_HI, true); smu_phys_addr = ((u64)phys_addr_hi << 32 | phys_addr_low); dev->smu_virt_addr = devm_ioremap(dev->dev, smu_phys_addr, @@ -335,8 +363,8 @@ static int amd_pmc_setup_smu_logging(struct amd_pmc_dev *dev) } /* Start the logging */ - amd_pmc_send_cmd(dev, 0, NULL, SMU_MSG_LOG_RESET, 0); - amd_pmc_send_cmd(dev, 0, NULL, SMU_MSG_LOG_START, 0); + amd_pmc_send_cmd(dev, 0, NULL, SMU_MSG_LOG_RESET, false); + amd_pmc_send_cmd(dev, 0, NULL, SMU_MSG_LOG_START, false); return 0; } @@ -377,7 +405,7 @@ static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev) if (dev->cpu_id == AMD_CPU_ID_PCO) return -ENODEV; - rc = amd_pmc_send_cmd(dev, 0, &val, SMU_MSG_GETSMUVERSION, 1); + rc = amd_pmc_send_cmd(dev, 0, &val, SMU_MSG_GETSMUVERSION, true); if (rc) return rc; @@ -469,7 +497,7 @@ static int smu_fw_info_show(struct seq_file *s, void *unused) table.timeto_resume_to_os_lastcapture); seq_puts(s, "\n=== Active time (in us) ===\n"); - for (idx = 0 ; idx < SOC_SUBSYSTEM_IP_MAX ; idx++) { + for (idx = 0 ; idx < dev->num_ips ; idx++) { if (soc15_ip_blk[idx].bit_mask & dev->active_ips) seq_printf(s, "%-8s : %lld\n", soc15_ip_blk[idx].name, table.timecondition_notmet_lastcapture[idx]); @@ -562,6 +590,18 @@ static void amd_pmc_dbgfs_unregister(struct amd_pmc_dev *dev) debugfs_remove_recursive(dev->dbgfs_dir); } +static bool amd_pmc_is_stb_supported(struct amd_pmc_dev *dev) +{ + switch (dev->cpu_id) { + case AMD_CPU_ID_YC: + case AMD_CPU_ID_CB: + case AMD_CPU_ID_PS: + return true; + default: + return false; + } +} + static void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev) { dev->dbgfs_dir = debugfs_create_dir("amd_pmc", NULL); @@ -573,8 +613,7 @@ static void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev) &amd_pmc_idlemask_fops); /* Enable STB only when the module_param is set */ if (enable_stb) { - if (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB || - dev->cpu_id == AMD_CPU_ID_PS) + if (amd_pmc_is_stb_supported(dev)) debugfs_create_file("stb_read", 0644, dev->dbgfs_dir, dev, &amd_pmc_stb_debugfs_fops_v2); else @@ -794,7 +833,7 @@ static void amd_pmc_s2idle_prepare(void) } msg = amd_pmc_get_os_hint(pdev); - rc = amd_pmc_send_cmd(pdev, arg, NULL, msg, 0); + rc = amd_pmc_send_cmd(pdev, arg, NULL, msg, false); if (rc) { dev_err(pdev->dev, "suspend failed: %d\n", rc); return; @@ -829,7 +868,7 @@ static int amd_pmc_dump_data(struct amd_pmc_dev *pdev) if (pdev->cpu_id == AMD_CPU_ID_PCO) return -ENODEV; - return amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_DUMP_DATA, 0); + return amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_DUMP_DATA, false); } static void amd_pmc_s2idle_restore(void) @@ -839,7 +878,7 @@ static void amd_pmc_s2idle_restore(void) u8 msg; msg = amd_pmc_get_os_hint(pdev); - rc = amd_pmc_send_cmd(pdev, 0, NULL, msg, 0); + rc = amd_pmc_send_cmd(pdev, 0, NULL, msg, false); if (rc) dev_err(pdev->dev, "resume failed: %d\n", rc); @@ -890,29 +929,65 @@ static const struct pci_device_id pmc_pci_ids[] = { { } }; +static int amd_pmc_get_dram_size(struct amd_pmc_dev *dev) +{ + int ret; + + switch (dev->cpu_id) { + case AMD_CPU_ID_YC: + if (!(dev->major > 90 || (dev->major == 90 && dev->minor > 39))) { + ret = -EINVAL; + goto err_dram_size; + } + break; + default: + ret = -EINVAL; + goto err_dram_size; + } + + ret = amd_pmc_send_cmd(dev, S2D_DRAM_SIZE, &dev->dram_size, dev->s2d_msg_id, true); + if (ret || !dev->dram_size) + goto err_dram_size; + + return 0; + +err_dram_size: + dev_err(dev->dev, "DRAM size command not supported for this platform\n"); + return ret; +} + static int amd_pmc_s2d_init(struct amd_pmc_dev *dev) { u32 phys_addr_low, phys_addr_hi; u64 stb_phys_addr; u32 size = 0; + int ret; /* Spill to DRAM feature uses separate SMU message port */ dev->msg_port = 1; - amd_pmc_send_cmd(dev, S2D_TELEMETRY_SIZE, &size, STB_SPILL_TO_DRAM, 1); + /* Get num of IP blocks within the SoC */ + amd_pmc_get_ip_info(dev); + + amd_pmc_send_cmd(dev, S2D_TELEMETRY_SIZE, &size, dev->s2d_msg_id, true); if (size != S2D_TELEMETRY_BYTES_MAX) return -EIO; + /* Get DRAM size */ + ret = amd_pmc_get_dram_size(dev); + if (ret) + dev->dram_size = S2D_TELEMETRY_DRAMBYTES_MAX; + /* Get STB DRAM address */ - amd_pmc_send_cmd(dev, S2D_PHYS_ADDR_LOW, &phys_addr_low, STB_SPILL_TO_DRAM, 1); - amd_pmc_send_cmd(dev, S2D_PHYS_ADDR_HIGH, &phys_addr_hi, STB_SPILL_TO_DRAM, 1); + amd_pmc_send_cmd(dev, S2D_PHYS_ADDR_LOW, &phys_addr_low, dev->s2d_msg_id, true); + amd_pmc_send_cmd(dev, S2D_PHYS_ADDR_HIGH, &phys_addr_hi, dev->s2d_msg_id, true); stb_phys_addr = ((u64)phys_addr_hi << 32 | phys_addr_low); /* Clear msg_port for other SMU operation */ dev->msg_port = 0; - dev->stb_virt_addr = devm_ioremap(dev->dev, stb_phys_addr, S2D_TELEMETRY_DRAMBYTES_MAX); + dev->stb_virt_addr = devm_ioremap(dev->dev, stb_phys_addr, dev->dram_size); if (!dev->stb_virt_addr) return -ENOMEM; @@ -1001,7 +1076,7 @@ static int amd_pmc_probe(struct platform_device *pdev) mutex_init(&dev->lock); - if (enable_stb && (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB)) { + if (enable_stb && amd_pmc_is_stb_supported(dev)) { err = amd_pmc_s2d_init(dev); if (err) goto err_pci_dev_put; diff --git a/drivers/platform/x86/amd/pmf/Kconfig b/drivers/platform/x86/amd/pmf/Kconfig index d87986adf91e..3064bc8ea167 100644 --- a/drivers/platform/x86/amd/pmf/Kconfig +++ b/drivers/platform/x86/amd/pmf/Kconfig @@ -16,3 +16,14 @@ config AMD_PMF To compile this driver as a module, choose M here: the module will be called amd_pmf. + +config AMD_PMF_DEBUG + bool "PMF debug information" + depends on AMD_PMF + help + Enabling this option would give more debug information on the OEM fed + power setting values for each of the PMF |
