diff options
25 files changed, 277 insertions, 169 deletions
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index 94941c5a10ac..51efd2da4d7f 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -142,7 +142,7 @@ static __always_inline int syscall_32_enter(struct pt_regs *regs) #ifdef CONFIG_IA32_EMULATION bool __ia32_enabled __ro_after_init = !IS_ENABLED(CONFIG_IA32_EMULATION_DEFAULT_DISABLED); -static int ia32_emulation_override_cmdline(char *arg) +static int __init ia32_emulation_override_cmdline(char *arg) { return kstrtobool(arg, &__ia32_enabled); } diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h index 4c4efb93045e..adfa0854cf2d 100644 --- a/arch/x86/include/asm/amd_nb.h +++ b/arch/x86/include/asm/amd_nb.h @@ -27,7 +27,6 @@ struct amd_l3_cache { }; struct amd_northbridge { - struct pci_dev *root; struct pci_dev *misc; struct pci_dev *link; struct amd_l3_cache l3_cache; diff --git a/arch/x86/include/asm/amd_node.h b/arch/x86/include/asm/amd_node.h index 113ad3e8ee40..23fe617898a8 100644 --- a/arch/x86/include/asm/amd_node.h +++ b/arch/x86/include/asm/amd_node.h @@ -30,7 +30,31 @@ static inline u16 amd_num_nodes(void) return topology_amd_nodes_per_pkg() * topology_max_packages(); } +#ifdef CONFIG_AMD_NODE int __must_check amd_smn_read(u16 node, u32 address, u32 *value); int __must_check amd_smn_write(u16 node, u32 address, u32 value); +/* Should only be used by the HSMP driver. */ +int __must_check amd_smn_hsmp_rdwr(u16 node, u32 address, u32 *value, bool write); +#else +static inline int __must_check amd_smn_read(u16 node, u32 address, u32 *value) { return -ENODEV; } +static inline int __must_check amd_smn_write(u16 node, u32 address, u32 value) { return -ENODEV; } + +static inline int __must_check amd_smn_hsmp_rdwr(u16 node, u32 address, u32 *value, bool write) +{ + return -ENODEV; +} +#endif /* CONFIG_AMD_NODE */ + +/* helper for use with read_poll_timeout */ +static inline int smn_read_register(u32 reg) +{ + int data, rc; + + rc = amd_smn_read(0, reg, &data); + if (rc) + return rc; + + return data; +} #endif /*_ASM_X86_AMD_NODE_H_*/ diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index 11fac09e3a8c..24d7a87edf9c 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -73,7 +73,6 @@ static int amd_cache_northbridges(void) amd_northbridges.nb = nb; for (i = 0; i < amd_northbridges.num; i++) { - node_to_amd_nb(i)->root = amd_node_get_root(i); node_to_amd_nb(i)->misc = amd_node_get_func(i, 3); /* diff --git a/arch/x86/kernel/amd_node.c b/arch/x86/kernel/amd_node.c index d2ec7fd555c5..b670fa85c61b 100644 --- a/arch/x86/kernel/amd_node.c +++ b/arch/x86/kernel/amd_node.c @@ -8,6 +8,7 @@ * Author: Yazen Ghannam <Yazen.Ghannam@amd.com> */ +#include <linux/debugfs.h> #include <asm/amd_node.h> /* @@ -93,10 +94,14 @@ static struct pci_dev **amd_roots; /* Protect the PCI config register pairs used for SMN. */ static DEFINE_MUTEX(smn_mutex); +static bool smn_exclusive; #define SMN_INDEX_OFFSET 0x60 #define SMN_DATA_OFFSET 0x64 +#define HSMP_INDEX_OFFSET 0xc4 +#define HSMP_DATA_OFFSET 0xc8 + /* * SMN accesses may fail in ways that are difficult to detect here in the called * functions amd_smn_read() and amd_smn_write(). Therefore, callers must do @@ -146,6 +151,9 @@ static int __amd_smn_rw(u8 i_off, u8 d_off, u16 node, u32 address, u32 *value, b if (!root) return err; + if (!smn_exclusive) + return err; + guard(mutex)(&smn_mutex); err = pci_write_config_dword(root, i_off, address); @@ -179,6 +187,93 @@ int __must_check amd_smn_write(u16 node, u32 address, u32 value) } EXPORT_SYMBOL_GPL(amd_smn_write); +int __must_check amd_smn_hsmp_rdwr(u16 node, u32 address, u32 *value, bool write) +{ + return __amd_smn_rw(HSMP_INDEX_OFFSET, HSMP_DATA_OFFSET, node, address, value, write); +} +EXPORT_SYMBOL_GPL(amd_smn_hsmp_rdwr); + +static struct dentry *debugfs_dir; +static u16 debug_node; +static u32 debug_address; + +static ssize_t smn_node_write(struct file *file, const char __user *userbuf, + size_t count, loff_t *ppos) +{ + u16 node; + int ret; + + ret = kstrtou16_from_user(userbuf, count, 0, &node); + if (ret) + return ret; + + if (node >= amd_num_nodes()) + return -ENODEV; + + debug_node = node; + return count; +} + +static int smn_node_show(struct seq_file *m, void *v) +{ + seq_printf(m, "0x%08x\n", debug_node); + return 0; +} + +static ssize_t smn_address_write(struct file *file, const char __user *userbuf, + size_t count, loff_t *ppos) +{ + int ret; + + ret = kstrtouint_from_user(userbuf, count, 0, &debug_address); + if (ret) + return ret; + + return count; +} + +static int smn_address_show(struct seq_file *m, void *v) +{ + seq_printf(m, "0x%08x\n", debug_address); + return 0; +} + +static int smn_value_show(struct seq_file *m, void *v) +{ + u32 val; + int ret; + + ret = amd_smn_read(debug_node, debug_address, &val); + if (ret) + return ret; + + seq_printf(m, "0x%08x\n", val); + return 0; +} + +static ssize_t smn_value_write(struct file *file, const char __user *userbuf, + size_t count, loff_t *ppos) +{ + u32 val; + int ret; + + ret = kstrtouint_from_user(userbuf, count, 0, &val); + if (ret) + return ret; + + add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_STILL_OK); + + ret = amd_smn_write(debug_node, debug_address, val); + if (ret) + return ret; + + return count; +} + +DEFINE_SHOW_STORE_ATTRIBUTE(smn_node); +DEFINE_SHOW_STORE_ATTRIBUTE(smn_address); +DEFINE_SHOW_STORE_ATTRIBUTE(smn_value); + static int amd_cache_roots(void) { u16 node, num_nodes = amd_num_nodes(); @@ -193,6 +288,48 @@ static int amd_cache_roots(void) return 0; } +static int reserve_root_config_spaces(void) +{ + struct pci_dev *root = NULL; + struct pci_bus *bus = NULL; + + while ((bus = pci_find_next_bus(bus))) { + /* Root device is Device 0 Function 0 on each Primary Bus. */ + root = pci_get_slot(bus, 0); + if (!root) + continue; + + if (root->vendor != PCI_VENDOR_ID_AMD && + root->vendor != PCI_VENDOR_ID_HYGON) + continue; + + pci_dbg(root, "Reserving PCI config space\n"); + + /* + * There are a few SMN index/data pairs and other registers + * that shouldn't be accessed by user space. + * So reserve the entire PCI config space for simplicity rather + * than covering specific registers piecemeal. + */ + if (!pci_request_config_region_exclusive(root, 0, PCI_CFG_SPACE_SIZE, NULL)) { + pci_err(root, "Failed to reserve config space\n"); + return -EEXIST; + } + } + + smn_exclusive = true; + return 0; +} + +static bool enable_dfs; + +static int __init amd_smn_enable_dfs(char *str) +{ + enable_dfs = true; + return 1; +} +__setup("amd_smn_debugfs_enable", amd_smn_enable_dfs); + static int __init amd_smn_init(void) { int err; @@ -209,6 +346,18 @@ static int __init amd_smn_init(void) if (err) return err; + err = reserve_root_config_spaces(); + if (err) + return err; + + if (enable_dfs) { + debugfs_dir = debugfs_create_dir("amd_smn", arch_debugfs_dir); + + debugfs_create_file("node", 0600, debugfs_dir, NULL, &smn_node_fops); + debugfs_create_file("address", 0600, debugfs_dir, NULL, &smn_address_fops); + debugfs_create_file("value", 0600, debugfs_dir, NULL, &smn_value_fops); + } + return 0; } diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c index 2fdfda2b60e4..6be3cade4134 100644 --- a/arch/x86/kernel/cpu/mtrr/generic.c +++ b/arch/x86/kernel/cpu/mtrr/generic.c @@ -9,6 +9,7 @@ #include <linux/io.h> #include <linux/mm.h> #include <linux/cc_platform.h> +#include <linux/string_choices.h> #include <asm/processor-flags.h> #include <asm/cacheinfo.h> #include <asm/cpufeature.h> @@ -646,10 +647,10 @@ static void __init print_mtrr_state(void) pr_info("MTRR default type: %s\n", mtrr_attrib_to_str(mtrr_state.def_type)); if (mtrr_state.have_fixed) { - pr_info("MTRR fixed ranges %sabled:\n", - ((mtrr_state.enabled & MTRR_STATE_MTRR_ENABLED) && - (mtrr_state.enabled & MTRR_STATE_MTRR_FIXED_ENABLED)) ? - "en" : "dis"); + pr_info("MTRR fixed ranges %s:\n", + str_enabled_disabled( + (mtrr_state.enabled & MTRR_STATE_MTRR_ENABLED) && + (mtrr_state.enabled & MTRR_STATE_MTRR_FIXED_ENABLED))); print_fixed(0x00000, 0x10000, mtrr_state.fixed_ranges + 0); for (i = 0; i < 2; ++i) print_fixed(0x80000 + i * 0x20000, 0x04000, @@ -661,8 +662,8 @@ static void __init print_mtrr_state(void) /* tail */ print_fixed_last(); } - pr_info("MTRR variable ranges %sabled:\n", - mtrr_state.enabled & MTRR_STATE_MTRR_ENABLED ? "en" : "dis"); + pr_info("MTRR variable ranges %s:\n", + str_enabled_disabled(mtrr_state.enabled & MTRR_STATE_MTRR_ENABLED)); high_width = (boot_cpu_data.x86_phys_bits - (32 - PAGE_SHIFT) + 3) / 4; for (i = 0; i < num_var_ranges; ++i) { diff --git a/drivers/platform/x86/amd/hsmp/Kconfig b/drivers/platform/x86/amd/hsmp/Kconfig index 7d10d4462a45..d6f7a62d55b5 100644 --- a/drivers/platform/x86/amd/hsmp/Kconfig +++ b/drivers/platform/x86/amd/hsmp/Kconfig @@ -7,7 +7,7 @@ config AMD_HSMP tristate menu "AMD HSMP Driver" - depends on AMD_NB || COMPILE_TEST + depends on AMD_NODE || COMPILE_TEST config AMD_HSMP_ACPI tristate "AMD HSMP ACPI device driver" diff --git a/drivers/platform/x86/amd/hsmp/acpi.c b/drivers/platform/x86/amd/hsmp/acpi.c index 444b43be35a2..c1eccb3c80c5 100644 --- a/drivers/platform/x86/amd/hsmp/acpi.c +++ b/drivers/platform/x86/amd/hsmp/acpi.c @@ -10,7 +10,6 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <asm/amd_hsmp.h> -#include <asm/amd_nb.h> #include <linux/acpi.h> #include <linux/device.h> @@ -24,6 +23,8 @@ #include <uapi/asm-generic/errno-base.h> +#include <asm/amd_node.h> + #include "hsmp.h" #define DRIVER_NAME "amd_hsmp" @@ -321,8 +322,8 @@ static int hsmp_acpi_probe(struct platform_device *pdev) return -ENOMEM; if (!hsmp_pdev->is_probed) { - hsmp_pdev->num_sockets = amd_nb_num(); - if (hsmp_pdev->num_sockets == 0 || hsmp_pdev->num_sockets > MAX_AMD_SOCKETS) + hsmp_pdev->num_sockets = amd_num_nodes(); + if (hsmp_pdev->num_sockets == 0 || hsmp_pdev->num_sockets > MAX_AMD_NUM_NODES) return -ENODEV; hsmp_pdev->sock = devm_kcalloc(&pdev->dev, hsmp_pdev->num_sockets, diff --git a/drivers/platform/x86/amd/hsmp/hsmp.c b/drivers/platform/x86/amd/hsmp/hsmp.c index 03164e30b3a5..a3ac09a90de4 100644 --- a/drivers/platform/x86/amd/hsmp/hsmp.c +++ b/drivers/platform/x86/amd/hsmp/hsmp.c @@ -8,7 +8,6 @@ */ #include <asm/amd_hsmp.h> -#include <asm/amd_nb.h> #include <linux/acpi.h> #include <linux/delay.h> diff --git a/drivers/platform/x86/amd/hsmp/hsmp.h b/drivers/platform/x86/amd/hsmp/hsmp.h index e852f0a947e4..af8b21f821d6 100644 --- a/drivers/platform/x86/amd/hsmp/hsmp.h +++ b/drivers/platform/x86/amd/hsmp/hsmp.h @@ -21,8 +21,6 @@ #define HSMP_ATTR_GRP_NAME_SIZE 10 -#define MAX_AMD_SOCKETS 8 - #define HSMP_CDEV_NAME "hsmp_cdev" #define HSMP_DEVNODE_NAME "hsmp" @@ -41,7 +39,6 @@ struct hsmp_socket { void __iomem *virt_base_addr; struct semaphore hsmp_sem; char name[HSMP_ATTR_GRP_NAME_SIZE]; - struct pci_dev *root; struct device *dev; u16 sock_ind; int (*amd_hsmp_rdwr)(struct hsmp_socket *sock, u32 off, u32 *val, bool rw); diff --git a/drivers/platform/x86/amd/hsmp/plat.c b/drivers/platform/x86/amd/hsmp/plat.c index 02ca85762b68..b9782a078dbd 100644 --- a/drivers/platform/x86/amd/hsmp/plat.c +++ b/drivers/platform/x86/amd/hsmp/plat.c @@ -10,14 +10,16 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <asm/amd_hsmp.h> -#include <asm/amd_nb.h> +#include <linux/build_bug.h> #include <linux/device.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/platform_device.h> #include <linux/sysfs.h> +#include <asm/amd_node.h> + #include "hsmp.h" #define DRIVER_NAME "amd_hsmp" @@ -34,28 +36,12 @@ #define SMN_HSMP_MSG_RESP 0x0010980 #define SMN_HSMP_MSG_DATA 0x00109E0 -#define HSMP_INDEX_REG 0xc4 -#define HSMP_DATA_REG 0xc8 - static struct hsmp_plat_device *hsmp_pdev; static int amd_hsmp_pci_rdwr(struct hsmp_socket *sock, u32 offset, u32 *value, bool write) { - int ret; - - if (!sock->root) - return -ENODEV; - - ret = pci_write_config_dword(sock->root, HSMP_INDEX_REG, - sock->mbinfo.base_addr + offset); - if (ret) - return ret; - - ret = (write ? pci_write_config_dword(sock->root, HSMP_DATA_REG, *value) - : pci_read_config_dword(sock->root, HSMP_DATA_REG, value)); - - return ret; + return amd_smn_hsmp_rdwr(sock->sock_ind, sock->mbinfo.base_addr + offset, value, write); } static ssize_t hsmp_metric_tbl_plat_read(struct file *filp, struct kobject *kobj, @@ -95,7 +81,12 @@ static umode_t hsmp_is_sock_attr_visible(struct kobject *kobj, * Static array of 8 + 1(for NULL) elements is created below * to create sysfs groups for sockets. * is_bin_visible function is used to show / hide the necessary groups. + * + * Validate the maximum number against MAX_AMD_NUM_NODES. If this changes, + * then the attributes and groups below must be adjusted. */ +static_assert(MAX_AMD_NUM_NODES == 8); + #define HSMP_BIN_ATTR(index, _list) \ static const struct bin_attribute attr##index = { \ .attr = { .name = HSMP_METRICS_TABLE_NAME, .mode = 0444}, \ @@ -159,10 +150,7 @@ static int init_platform_device(struct device *dev) int ret, i; for (i = 0; i < hsmp_pdev->num_sockets; i++) { - if (!node_to_amd_nb(i)) - return -ENODEV; sock = &hsmp_pdev->sock[i]; - sock->root = node_to_amd_nb(i)->root; sock->sock_ind = i; sock->dev = dev; sock->mbinfo.base_addr = SMN_HSMP_BASE; @@ -305,11 +293,11 @@ static int __init hsmp_plt_init(void) return -ENOMEM; /* - * amd_nb_num() returns number of SMN/DF interfaces present in the system + * amd_num_nodes() returns number of SMN/DF interfaces present in the system * if we have N SMN/DF interfaces that ideally means N sockets */ - hsmp_pdev->num_sockets = amd_nb_num(); - if (hsmp_pdev->num_sockets == 0 || hsmp_pdev->num_sockets > MAX_AMD_SOCKETS) + hsmp_pdev->num_sockets = amd_num_nodes(); + if (hsmp_pdev->num_sockets == 0 || hsmp_pdev->num_sockets > MAX_AMD_NUM_NODES) return ret; ret = platform_driver_register(&amd_hsmp_driver); diff --git a/sound/soc/amd/acp/Kconfig b/sound/soc/amd/acp/Kconfig index 53793ec7c7b4..157c124570c8 100644 --- a/sound/soc/amd/acp/Kconfig +++ b/sound/soc/amd/acp/Kconfig @@ -58,6 +58,7 @@ config SND_AMD_ASOC_REMBRANDT select SND_SOC_AMD_ACP_I2S select SND_SOC_AMD_ACP_PDM select SND_SOC_AMD_ACP_LEGACY_COMMON + depends on AMD_NODE depends on X86 && PCI help This option enables Rembrandt I2S support on AMD platform. @@ -68,6 +69,7 @@ config SND_AMD_ASOC_ACP63 tristate "AMD ACP ASOC ACP6.3 Support" depends on X86 && PCI depends on ACPI + depends on AMD_NODE select SND_SOC_AMD_ACP_PCM select SND_SOC_AMD_ACP_I2S select SND_SOC_AMD_ACP_PDM @@ -81,6 +83,7 @@ config SND_AMD_ASOC_ACP70 tristate "AMD ACP ASOC Acp7.0 Support" depends on X86 && PCI depends on ACPI + depends on AMD_NODE select SND_SOC_AMD_ACP_PCM select SND_SOC_AMD_ACP_I2S select SND_SOC_AMD_ACP_PDM diff --git a/sound/soc/amd/acp/acp-legacy-common.c b/sound/soc/amd/acp/acp-legacy-common.c index 7acc7ed2e8cc..89f5cda18a23 100644 --- a/sound/soc/amd/acp/acp-legacy-common.c +++ b/sound/soc/amd/acp/acp-legacy-common.c @@ -345,24 +345,6 @@ int acp_deinit(struct acp_chip_info *chip) } EXPORT_SYMBOL_NS_GPL(acp_deinit, "SND_SOC_ACP_COMMON"); -int smn_write(struct pci_dev *dev, u32 smn_addr, u32 data) -{ - pci_write_config_dword(dev, 0x60, smn_addr); - pci_write_config_dword(dev, 0x64, data); - return 0; -} -EXPORT_SYMBOL_NS_GPL(smn_write, "SND_SOC_ACP_COMMON"); - -int smn_read(struct pci_dev *dev, u32 smn_addr) -{ - u32 data; - - pci_write_config_dword(dev, 0x60, smn_addr); - pci_read_config_dword(dev, 0x64, &data); - return data; -} -EXPORT_SYMBOL_NS_GPL(smn_read, "SND_SOC_ACP_COMMON"); - static void check_acp3x_config(struct acp_chip_info *chip) { u32 val; diff --git a/sound/soc/amd/acp/acp-rembrandt.c b/sound/soc/amd/acp/acp-rembrandt.c index 2648256fa129..e727754a8231 100644 --- a/sound/soc/amd/acp/acp-rembrandt.c +++ b/sound/soc/amd/acp/acp-rembrandt.c @@ -22,6 +22,8 @@ #include <linux/pci.h> #include <linux/pm_runtime.h> +#include <asm/amd_node.h> + #include "amd.h" #include "../mach-config.h" #include "acp-mach.h" @@ -31,7 +33,6 @@ #define MP1_C2PMSG_69 0x3B10A14 #define MP1_C2PMSG_85 0x3B10A54 #define MP1_C2PMSG_93 0x3B10A74 -#define HOST_BRIDGE_ID 0x14B5 static struct acp_resource rsrc = { .offset = 0, @@ -166,21 +167,20 @@ static struct snd_soc_dai_driver acp_rmb_dai[] = { static int acp6x_master_clock_generate(struct device *dev) { - int data = 0; - struct pci_dev *smn_dev; + int data, rc; - smn_dev = pci_get_device(PCI_VENDOR_ID_AMD, HOST_BRIDGE_ID, NULL); - if (!smn_dev) { - dev_err(dev, "Failed to get host bridge device\n"); - return -ENODEV; - } + rc = amd_smn_write(0, MP1_C2PMSG_93, 0); + if (rc) + return rc; + rc = amd_smn_write(0, MP1_C2PMSG_85, 0xC4); + if (rc) + return rc; + rc = amd_smn_write(0, MP1_C2PMSG_69, 0x4); + if (rc) + return rc; - smn_write(smn_dev, MP1_C2PMSG_93, 0); - smn_write(smn_dev, MP1_C2PMSG_85, 0xC4); - smn_write(smn_dev, MP1_C2PMSG_69, 0x4); - read_poll_timeout(smn_read, data, data, DELAY_US, - ACP_TIMEOUT, false, smn_dev, MP1_C2PMSG_93); - return 0; + return read_poll_timeout(smn_read_register, data, data > 0, DELAY_US, + ACP_TIMEOUT, false, MP1_C2PMSG_93); } static int rembrandt_audio_probe(struct platform_device *pdev) diff --git a/sound/soc/amd/acp/acp63.c b/sound/soc/amd/acp/acp63.c index 81496e713440..4187a8968de7 100644 --- a/sound/soc/amd/acp/acp63.c +++ b/sound/soc/amd/acp/acp63.c @@ -20,6 +20,9 @@ #include <linux/dma-mapping.h> #include <linux/pm_runtime.h> #include <linux/pci.h> + +#include <asm/amd_node.h> + #include "amd.h" #include "acp-mach.h" #include "../mach-config.h" @@ -160,37 +163,53 @@ static struct snd_soc_dai_driver acp63_dai[] = { static int acp63_i2s_master_clock_generate(struct acp_dev_data *adata) { + int rc; u32 data; union clk_pll_req_no clk_pll; - struct pci_dev *smn_dev; - - smn_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x14E8, NULL); - if (!smn_dev) - return -ENODEV; /* Clk5 pll register values to get mclk as 196.6MHz*/ clk_pll.bits.fb_mult_int = 0x31; clk_pll.bits.pll_spine_div = 0; clk_pll.bits.gb_mult_frac = 0x26E9; - data = smn_read(smn_dev, CLK_PLL_PWR_REQ_N0); - smn_write(smn_dev, CLK_PLL_PWR_REQ_N0, data | PLL_AUTO_STOP_REQ); - - data = smn_read(smn_dev, CLK_SPLL_FIELD_2_N0); - if (data & PLL_FRANCE_EN) - smn_write(smn_dev, CLK_SPLL_FIELD_2_N0, data | PLL_FRANCE_EN); - - smn_write(smn_dev, CLK_PLL_REQ_N0, clk_pll.clk_pll_req_no_reg); - - data = smn_read(smn_dev, CLK_PLL_PWR_REQ_N0); - smn_write(smn_dev, CLK_PLL_PWR_REQ_N0, data | PLL_AUTO_START_REQ); - - data = smn_read(smn_dev, CLK_DFSBYPASS_CONTR); - smn_write(smn_dev, CLK_DFSBYPASS_CONTR, data | EXIT_DPF_BYPASS_0); - smn_write(smn_dev, CLK_DFSBYPASS_CONTR, data | EXIT_DPF_BYPASS_1); + rc = amd_smn_read(0, CLK_PLL_PWR_REQ_N0, &data); + if (rc) + return rc; + rc = amd_smn_write(0, CLK_PLL_PWR_REQ_N0, data | PLL_AUTO_STOP_REQ); + if (rc) + return rc; + + rc = amd_smn_read(0, CLK_SPLL_FIELD_2_N0, &data); + if (rc) + return rc; + if (data & PLL_FRANCE_EN) { + rc = amd_smn_write(0, CLK_SPLL_FIELD_2_N0, data | PLL_FRANCE_EN); + if (rc) + return rc; + } - smn_write(smn_dev, CLK_DFS_CNTL_N0, CLK0_DIVIDER); - return 0; + rc = amd_smn_write(0, CLK_PLL_REQ_N0, clk_pll.clk_pll_req_no_reg); + if (rc) + return rc; + + rc = amd_smn_read(0, CLK_PLL_PWR_REQ_N0, &data); + if (rc) + return rc; + rc = amd_smn_write(0, CLK_PLL_PWR_REQ_N0, data | PLL_AUTO_START_REQ); + if (rc) + return rc; + + rc = amd_smn_read(0, CLK_DFSBYPASS_CONTR, &data); + if (rc) + return rc; + rc = amd_smn_write(0, CLK_DFSBYPASS_CONTR, data | EXIT_DPF_BYPASS_0); + if (rc) + return rc; + rc = amd_smn_write(0, CLK_DFSBYPASS_CONTR, data | EXIT_DPF_BYPASS_1); + if (rc) + return rc; + + return amd_smn_write(0, CLK_DFS_CNTL_N0, CLK0_DIVIDER); } static int acp63_audio_probe(struct platform_device *pdev) diff --git a/sound/soc/amd/acp/acp70.c b/sound/soc/amd/acp/acp70.c index 9e23729fd1a7..ef3f6504bc7f 100644 --- a/sound/soc/amd/acp/acp70.c +++ b/sound/soc/amd/acp/acp70.c @@ -23,6 +23,8 @@ #include "amd.h" #include "acp-mach.h" +#include <asm/amd_node.h> + #define DRV_NAME "acp_asoc_acp70" #define CLK7_CLK0_DFS_CNTL_N1 0X0006C1A4 @@ -137,29 +139,6 @@ static struct snd_soc_dai_driver acp70_dai[] = { }, }; -static int acp70_i2s_master_clock_generate(struct acp_dev_data *adata) -{ - struct pci_dev *smn_dev; - u32 device_id; - - if (adata->acp_rev == ACP70_PCI_ID) - device_id = 0x1507; - else if (adata->acp_rev == ACP71_PCI_ID) - device_id = 0x1122; - else - return -ENODEV; - - smn_dev = pci_get_device(PCI_VENDOR_ID_AMD, device_id, NULL); - - if (!smn_dev) - return -ENODEV; - - /* Set clk7 DFS clock divider register value to get mclk as 196.608MHz*/ - smn_write(smn_dev, CLK7_CLK0_DFS_CNTL_N1, CLK0_DIVIDER); - - return 0; -} - static int acp_acp70_audio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -215,7 +194,8 @@ static int acp_acp70_audio_probe(struct platform_device *pdev) dev_set_drvdata(dev, adata); - ret = acp70_i2s_master_clock_generate(adata); + /* Set clk7 DFS clock divider register value to get mclk as 196.608MHz*/ + ret = amd_smn_write(0, CLK7_CLK0_DFS_CNTL_N1, CLK0_DIVIDER); if (ret) { dev_err(&pdev->dev, "Failed to set I2S master clock as 196.608MHz\n"); return ret; diff --git a/sound/soc/amd/acp/amd.h b/sound/soc/amd/acp/amd.h index ee69dfb10cb8..c921bcabbcec 100644 --- a/sound/soc/amd/acp/amd.h +++ b/sound/soc/amd/acp/amd.h @@ -235,9 +235,6 @@ int acp_platform_unregister(struct device *dev); int acp_machine_select(struct acp_dev_data *adata); -int smn_read(struct pci_dev *dev, u32 smn_addr); -int smn_write(struct pci_dev *dev, u32 smn_addr, u32 data); - int acp_init(struct acp_chip_info *chip); int acp_deinit(struct acp_chip_info *chip); void acp_enable_interrupts(struct acp_dev_data *adata); diff --git a/sound/soc/sof/amd/Kconfig b/sound/soc/sof/amd/Kconfig index f4cafe801017..28216c8c1cf9 100644 --- a/sound/soc/sof/amd/Kconfig +++ b/sound/soc/sof/amd/Kconfig @@ -25,6 +25,7 @@ config SND_SOC_SOF_AMD_COMMON select SND_SOC_SOF_ACP_PROBES select SND_SOC_ACPI_AMD_MATCH select SND_SOC_ACPI if ACPI + depends on AMD_NODE help This option is not user-selectable but automatically handled by 'select' statements at a higher level diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c index 33648ff8b833..7007014423a4 100644 --- a/sound/soc/sof/amd/acp.c +++ b/sound/soc/sof/amd/acp.c @@ -16,6 +16,8 @@ #include <linux/module.h> #include <linux/pci.h> +#include <asm/amd_node.h> + #include "../ops.h" #include "acp.h" #include "acp-dsp-offset.h" @@ -42,24 +44,6 @@ const struct dmi_system_id acp_sof_quirk_table[] = { }; EXPORT_SYMBOL_GPL(acp_sof_quirk_table); -static int smn_write(struct pci_dev *dev, u32 smn_addr, u32 data) -{ - pci_write_config_dword(dev, 0x60, smn_addr); - pci_write_config_dword(dev, 0x64, data); - - return 0; -} - -static int smn_read(struct pci_dev *dev, u32 smn_addr) -{ - u32 data = 0; - - pci_write_config_dword(dev, 0x60, smn_addr); - pci_read_config_dword(dev, 0x64, &data); - - return data; -} - static void init_dma_descriptor(struct acp_dev_data *adata) { struct snd_sof_dev *sdev = adata->dev; @@ -208,11 +192,11 @@ int configure_and_run_dma(struct acp_dev_data *adata, unsigned int src_addr, static int psp_mbox_ready(struct acp_dev_data *adata, bool ack) { struct snd_sof_dev *sdev = adata->dev; - int ret; - u32 data; + int ret, data; + + ret = read_poll_timeout(smn_read_register, data, data > 0 && data & MBOX_READY_MASK, + MBOX_DELAY_US, ACP_PSP_TIMEOUT_US, false, MP0_C2PMSG_114_REG); - ret = read_poll_timeout(smn_read, data, data & MBOX_READY_MASK, MBOX_DELAY_US, - ACP_PSP_TIMEOUT_US, false, adata->smn_dev, MP0_C2PMSG_114_REG); if (!ret) return 0; @@ -240,8 +224,8 @@ static int psp_send_cmd(struct acp_dev_data *adata, int cmd) return -EINVAL; /* Get a non-zero Doorbell value from PSP */ - ret = read_poll_timeout(smn_read, data, data, MBOX_DELAY_US, ACP_PSP_TIMEOUT_US, false, - adata->smn_dev, MP0_C2PMSG_73_REG); + ret = read_poll_timeout(smn_read_register, data, data > 0, MBOX_DELAY_US, + ACP_PSP_TIMEOUT_US, false, MP0_C2PMSG_73_REG); if (ret) { dev_err(sdev->dev, "Failed to get Doorbell from MBOX %x\n", MP0_C2PMSG_73_REG); @@ -253,10 +237,14 @@ static int psp_send_cmd(struct acp_dev_data *adata, int cmd) if (ret) return ret; - smn_write(adata->smn_dev, MP0_C2PMSG_114_REG, cmd); + ret = amd_smn_write(0, MP0_C2PMSG_114_REG, cmd); + if (ret) + return ret; /* Ring the Doorbell for PSP */ - smn_write(adata->smn_dev, MP0_C2PMSG_73_REG, data); + ret = amd_smn_write(0, MP0_C2PMSG_73_REG, data); + if (ret) + return ret; /* Check MBOX ready as PSP ack */ ret = psp_mbox_ready(adata, 1); @@ -770,16 +758,10 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev) adata->pci_rev = pci->revision; mutex_init(&adata->acp_lock); sdev->pdata->hw_pdata = adata; - adata->smn_dev = pci_get_device(PCI_VENDOR_ID_AMD, chip->host_bridge_id, NULL); - if (!adata->smn_dev) { - dev_err(sdev->dev, "Failed to get host bridge device\n"); - ret = -ENODEV; - goto unregister_dev; - } ret = acp_init(sdev); if (ret < 0) - goto free_smn_dev; + goto unregister_dev; sdev->ipc_irq = pci->irq; ret = request_threaded_irq(sdev->ipc_irq, acp_irq_handler, acp_irq_thread, @@ -787,7 +769,7 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev) if (ret < 0) { dev_err(sdev->dev, "failed to register IRQ %d\n", sdev->ipc_irq); - goto free_smn_dev; + goto unregister_dev; } /* scan SoundWire capabilities exposed by DSDT */ @@ -800,7 +782,6 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev) if (ret < 0) { dev_err(sdev->dev, "error: SoundWire probe error\n"); free_irq(sdev->ipc_irq, sdev); - pci_dev_put(adata->smn_dev); return ret; } @@ -846,8 +827,6 @@ skip_soundwire: free_ipc_irq: free_irq(sdev->ipc_irq, sdev); -free_smn_dev: - pci_dev_put(adata->smn_dev); unregister_dev: platform_device_unregister(adata->dmic_dev); return ret; @@ -858,9 +837,6 @@ void amd_sof_acp_remove(struct snd_sof_dev *sdev) { struct acp_dev_data *adata = sdev->pdata->hw_pdata; - if (adata->smn_dev) - pci_dev_put(adata->smn_dev); - if (adata->sdw) amd_sof_sdw_exit(sdev); diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h index 800594440f73..a26a3f47ba53 100644 --- a/sound/soc/sof/amd/acp.h +++ b/sound/soc/sof/amd/acp.h @@ -197,7 +197,6 @@ struct acp_dsp_stream { struct sof_amd_acp_desc { const char *name; - unsigned int host_bridge_id; u32 pgfsm_base; u32 ext_intr_enb; u32 ext_intr_cntl; @@ -255,7 +254,6 @@ struct acp_dev_data { struct dma_descriptor dscr_info[ACP_MAX_DESC]; struct acp_dsp_stream stream_buf[ACP_MAX_STREAM]; struct acp_dsp_stream *dtrace_stream; - struct pci_dev *smn_dev; struct acp_dsp_stream *probe_stream; bool enable_fw_debug; bool is_dram_in_use; diff --git a/sound/soc/sof/amd/pci-acp63.c b/sound/soc/sof/amd/pci-acp63.c index ffe7c755d655..13aa87cdeeac 100644 --- a/sound/soc/sof/amd/pci-acp63.c +++ b/sound/soc/sof/amd/pci-acp63.c @@ -28,7 +28,6 @@ #define ACP6x_REG_END 0x125C000 static const struct sof_amd_acp_desc acp63_chip_info = { - .host_bridge_id = HOST_BRIDGE_ACP63, .pgfsm_base = ACP6X_PGFSM_BASE, .ext_intr_enb = ACP6X_EXTERNAL_INTR_ENB, .ext_intr_cntl = ACP6X_EXTERNAL_INTR_CNTL, diff --git a/sound/soc/sof/amd/pci-acp70.c b/sound/soc/sof/amd/pci-acp70.c index 3647ec992e95..d886bdf3a112 100644 --- a/sound/soc/sof/amd/pci-acp70.c +++ b/sound/soc/sof/amd/pci-acp70.c @@ -28,7 +28,6 @@ #define ACP70_REG_END 0x125C000 static const struct sof_amd_acp_desc acp70_chip_info = { - .host_bridge_id = HOST_BRIDGE_ACP70, .pgfsm_base = ACP70_PGFSM_BASE, .ext_intr_enb = ACP70_EXTERNAL_INTR_ENB, .ext_intr_cntl = ACP70_EXTERNAL_INTR_CNTL, diff --git a/sound/soc/sof/amd/pci-rmb.c b/sound/soc/sof/amd/pci-rmb.c index cbb4d5282664..0233b6ba2d2e 100644 --- a/sound/soc/sof/amd/pci-rmb.c +++ b/sound/soc/sof/amd/pci-rmb.c @@ -28,7 +28,6 @@ #define ACP6X_FUTURE_REG_ACLK_0 0x1854 static const struct sof_amd_acp_desc rembrandt_chip_info = { - .host_bridge_id = HOST_BRIDGE_RMB, .pgfsm_base = ACP6X_PGFSM_BASE, .ext_intr_stat = ACP6X_EXT_INTR_STAT, .dsp_intr_base = ACP6X_DSP_SW_INTR_BASE, diff --git a/sound/soc/sof/amd/pci-rn.c b/sound/soc/sof/amd/pci-rn.c index b7d558cb1fd7..4a36029a00de 100644 --- a/sound/soc/sof/amd/pci-rn.c +++ b/sound/soc/sof/amd/pci-rn.c @@ -28,7 +28,6 @@ #define ACP3X_FUTURE_REG_ACLK_0 0x1860 static const struct sof_amd_acp_desc renoir_chip_info = { - .host_bridge_id = HOST_BRIDGE_CZN, .pgfsm_base = ACP3X_PGFSM_BASE, .ext_intr_stat = ACP3X_EXT_INTR_STAT, .dsp_intr_base = ACP3X_DSP_SW_INTR_BASE, diff --git a/sound/soc/sof/amd/pci-vangogh.c b/sound/soc/sof/amd/pci-vangogh.c index 53f64d6bc91b..18734cd21abf 100644 --- a/sound/soc/sof/amd/pci-vangogh.c +++ b/sound/soc/sof/amd/pci-vangogh.c @@ -27,7 +27,6 @@ static const struct sof_amd_acp_desc vangogh_chip_info = { .name = "vangogh", - .host_bridge_id = HOST_BRIDGE_VGH, .pgfsm_base = ACP5X_PGFSM_BASE, .ext_intr_stat = ACP5X_EXT_INTR_STAT, .dsp_intr_base = ACP5X_DSP_SW_INTR_BASE, |