diff options
Diffstat (limited to 'drivers')
110 files changed, 4081 insertions, 2266 deletions
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index bce34afadcd0..ea55e0179f81 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -39,8 +39,9 @@ acpi-y += processor_core.o acpi-y += ec.o acpi-$(CONFIG_ACPI_DOCK) += dock.o acpi-y += pci_root.o pci_link.o pci_irq.o -acpi-$(CONFIG_X86_INTEL_LPSS) += acpi_lpss.o +acpi-y += acpi_lpss.o acpi-y += acpi_platform.o +acpi-y += acpi_pnp.o acpi-y += power.o acpi-y += event.o acpi-y += sysfs.o @@ -63,9 +64,9 @@ obj-$(CONFIG_ACPI_FAN) += fan.o obj-$(CONFIG_ACPI_VIDEO) += video.o obj-$(CONFIG_ACPI_PCI_SLOT) += pci_slot.o obj-$(CONFIG_ACPI_PROCESSOR) += processor.o -obj-$(CONFIG_ACPI_CONTAINER) += container.o +obj-y += container.o obj-$(CONFIG_ACPI_THERMAL) += thermal.o -obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o +obj-y += acpi_memhotplug.o obj-$(CONFIG_ACPI_BATTERY) += battery.o obj-$(CONFIG_ACPI_SBS) += sbshc.o obj-$(CONFIG_ACPI_SBS) += sbs.o diff --git a/drivers/acpi/acpi_cmos_rtc.c b/drivers/acpi/acpi_cmos_rtc.c index 961b45d18a5d..2da8660262e5 100644 --- a/drivers/acpi/acpi_cmos_rtc.c +++ b/drivers/acpi/acpi_cmos_rtc.c @@ -68,7 +68,7 @@ static int acpi_install_cmos_rtc_space_handler(struct acpi_device *adev, return -ENODEV; } - return 0; + return 1; } static void acpi_remove_cmos_rtc_space_handler(struct acpi_device *adev) diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index c4a5d87ede7e..185334114d71 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -220,13 +220,13 @@ static int __init extlog_init(void) goto err; } - extlog_l1_hdr = acpi_os_map_memory(l1_dirbase, l1_hdr_size); + extlog_l1_hdr = acpi_os_map_iomem(l1_dirbase, l1_hdr_size); l1_head = (struct extlog_l1_head *)extlog_l1_hdr; l1_size = l1_head->total_len; l1_percpu_entry = l1_head->entries; elog_base = l1_head->elog_base; elog_size = l1_head->elog_len; - acpi_os_unmap_memory(extlog_l1_hdr, l1_hdr_size); + acpi_os_unmap_iomem(extlog_l1_hdr, l1_hdr_size); release_mem_region(l1_dirbase, l1_hdr_size); /* remap L1 header again based on completed information */ @@ -237,7 +237,7 @@ static int __init extlog_init(void) (unsigned long long)l1_dirbase + l1_size); goto err; } - extlog_l1_addr = acpi_os_map_memory(l1_dirbase, l1_size); + extlog_l1_addr = acpi_os_map_iomem(l1_dirbase, l1_size); l1_entry_base = (u64 *)((u8 *)extlog_l1_addr + l1_hdr_size); /* remap elog table */ @@ -248,7 +248,7 @@ static int __init extlog_init(void) (unsigned long long)elog_base + elog_size); goto err_release_l1_dir; } - elog_addr = acpi_os_map_memory(elog_base, elog_size); + elog_addr = acpi_os_map_iomem(elog_base, elog_size); rc = -ENOMEM; /* allocate buffer to save elog record */ @@ -270,11 +270,11 @@ static int __init extlog_init(void) err_release_elog: if (elog_addr) - acpi_os_unmap_memory(elog_addr, elog_size); + acpi_os_unmap_iomem(elog_addr, elog_size); release_mem_region(elog_base, elog_size); err_release_l1_dir: if (extlog_l1_addr) - acpi_os_unmap_memory(extlog_l1_addr, l1_size); + acpi_os_unmap_iomem(extlog_l1_addr, l1_size); release_mem_region(l1_dirbase, l1_size); err: pr_warn(FW_BUG "Extended error log disabled because of problems parsing f/w tables\n"); @@ -287,9 +287,9 @@ static void __exit extlog_exit(void) mce_unregister_decode_chain(&extlog_mce_dec); ((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN; if (extlog_l1_addr) - acpi_os_unmap_memory(extlog_l1_addr, l1_size); + acpi_os_unmap_iomem(extlog_l1_addr, l1_size); if (elog_addr) - acpi_os_unmap_memory(elog_addr, elog_size); + acpi_os_unmap_iomem(elog_addr, elog_size); release_mem_region(elog_base, elog_size); release_mem_region(l1_dirbase, l1_size); kfree(elog_buf); diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index d79c6d7f598e..63407d264885 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -19,15 +19,21 @@ #include <linux/platform_device.h> #include <linux/platform_data/clk-lpss.h> #include <linux/pm_runtime.h> +#include <linux/delay.h> #include "internal.h" ACPI_MODULE_NAME("acpi_lpss"); +#ifdef CONFIG_X86_INTEL_LPSS + +#define LPSS_ADDR(desc) ((unsigned long)&desc) + #define LPSS_CLK_SIZE 0x04 #define LPSS_LTR_SIZE 0x18 /* Offsets relative to LPSS_PRIVATE_OFFSET */ +#define LPSS_CLK_DIVIDER_DEF_MASK (BIT(1) | BIT(16)) #define LPSS_GENERAL 0x08 #define LPSS_GENERAL_LTR_MODE_SW BIT(2) #define LPSS_GENERAL_UART_RTS_OVRD BIT(3) @@ -43,6 +49,8 @@ ACPI_MODULE_NAME("acpi_lpss"); #define LPSS_TX_INT 0x20 #define LPSS_TX_INT_MASK BIT(1) +#define LPSS_PRV_REG_COUNT 9 + struct lpss_shared_clock { const char *name; unsigned long rate; @@ -57,7 +65,9 @@ struct lpss_device_desc { bool ltr_required; unsigned int prv_offset; size_t prv_size_override; + bool clk_divider; bool clk_gate; + bool save_ctx; struct lpss_shared_clock *shared_clock; void (*setup)(struct lpss_private_data *pdata); }; @@ -72,6 +82,7 @@ struct lpss_private_data { resource_size_t mmio_size; struct clk *clk; const struct lpss_device_desc *dev_desc; + u32 prv_reg_ctx[LPSS_PRV_REG_COUNT]; }; static void lpss_uart_setup(struct lpss_private_data *pdata) @@ -92,6 +103,14 @@ static struct lpss_device_desc lpt_dev_desc = { .clk_required = true, .prv_offset = 0x800, .ltr_required = true, + .clk_divider = true, + .clk_gate = true, +}; + +static struct lpss_device_desc lpt_i2c_dev_desc = { + .clk_required = true, + .prv_offset = 0x800, + .ltr_required = true, .clk_gate = true, }; @@ -99,6 +118,7 @@ static struct lpss_device_desc lpt_uart_dev_desc = { .clk_required = true, .prv_offset = 0x800, .ltr_required = true, + .clk_divider = true, .clk_gate = true, .setup = lpss_uart_setup, }; @@ -116,32 +136,25 @@ static struct lpss_shared_clock pwm_clock = { static struct lpss_device_desc byt_pwm_dev_desc = { .clk_required = true, + .save_ctx = true, .shared_clock = &pwm_clock, }; -static struct lpss_shared_clock uart_clock = { - .name = "uart_clk", - .rate = 44236800, -}; - static struct lpss_device_desc byt_uart_dev_desc = { .clk_required = true, .prv_offset = 0x800, + .clk_divider = true, .clk_gate = true, - .shared_clock = &uart_clock, + .save_ctx = true, .setup = lpss_uart_setup, }; -static struct lpss_shared_clock spi_clock = { - .name = "spi_clk", - .rate = 50000000, -}; - static struct lpss_device_desc byt_spi_dev_desc = { .clk_required = true, .prv_offset = 0x400, + .clk_divider = true, .clk_gate = true, - .shared_clock = &spi_clock, + .save_ctx = true, }; static struct lpss_device_desc byt_sdio_dev_desc = { @@ -156,44 +169,53 @@ static struct lpss_shared_clock i2c_clock = { static struct lpss_device_desc byt_i2c_dev_desc = { .clk_required = true, .prv_offset = 0x800, + .save_ctx = true, .shared_clock = &i2c_clock, }; +#else + +#define LPSS_ADDR(desc) (0UL) + +#endif /* CONFIG_X86_INTEL_LPSS */ + static const struct acpi_device_id acpi_lpss_device_ids[] = { /* Generic LPSS devices */ - { "INTL9C60", (unsigned long)&lpss_dma_desc }, + { "INTL9C60", LPSS_ADDR(lpss_dma_desc) }, /* Lynxpoint LPSS devices */ - { "INT33C0", (unsigned long)&lpt_dev_desc }, - { "INT33C1", (unsigned long)&lpt_dev_desc }, - { "INT33C2", (unsigned long)&lpt_dev_desc }, - { "INT33C3", (unsigned long)&lpt_dev_desc }, - { "INT33C4", (unsigned long)&lpt_uart_dev_desc }, - { "INT33C5", (unsigned long)&lpt_uart_dev_desc }, - { "INT33C6", (unsigned long)&lpt_sdio_dev_desc }, + { "INT33C0", LPSS_ADDR(lpt_dev_desc) }, + { "INT33C1", LPSS_ADDR(lpt_dev_desc) }, + { "INT33C2", LPSS_ADDR(lpt_i2c_dev_desc) }, + { "INT33C3", LPSS_ADDR(lpt_i2c_dev_desc) }, + { "INT33C4", LPSS_ADDR(lpt_uart_dev_desc) }, + { "INT33C5", LPSS_ADDR(lpt_uart_dev_desc) }, + { "INT33C6", LPSS_ADDR(lpt_sdio_dev_desc) }, { "INT33C7", }, /* BayTrail LPSS devices */ - { "80860F09", (unsigned long)&byt_pwm_dev_desc }, - { "80860F0A", (unsigned long)&byt_uart_dev_desc }, - { "80860F0E", (unsigned long)&byt_spi_dev_desc }, - { "80860F14", (unsigned long)&byt_sdio_dev_desc }, - { "80860F41", (unsigned long)&byt_i2c_dev_desc }, + { "80860F09", LPSS_ADDR(byt_pwm_dev_desc) }, + { "80860F0A", LPSS_ADDR(byt_uart_dev_desc) }, + { "80860F0E", LPSS_ADDR(byt_spi_dev_desc) }, + { "80860F14", LPSS_ADDR(byt_sdio_dev_desc) }, + { "80860F41", LPSS_ADDR(byt_i2c_dev_desc) }, { "INT33B2", }, { "INT33FC", }, - { "INT3430", (unsigned long)&lpt_dev_desc }, - { "INT3431", (unsigned long)&lpt_dev_desc }, - { "INT3432", (unsigned long)&lpt_dev_desc }, - { "INT3433", (unsigned long)&lpt_dev_desc }, - |