diff options
Diffstat (limited to 'sound/pci/hda/hda_controller.h')
| -rw-r--r-- | sound/pci/hda/hda_controller.h | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h deleted file mode 100644 index c2d0109866e6..000000000000 --- a/sound/pci/hda/hda_controller.h +++ /dev/null @@ -1,215 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Common functionality for the alsa driver code base for HD Audio. - */ - -#ifndef __SOUND_HDA_CONTROLLER_H -#define __SOUND_HDA_CONTROLLER_H - -#include <linux/timecounter.h> -#include <linux/interrupt.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/initval.h> -#include <sound/hda_codec.h> -#include <sound/hda_register.h> - -#define AZX_MAX_CODECS HDA_MAX_CODECS -#define AZX_DEFAULT_CODECS 4 - -/* driver quirks (capabilities) */ -/* bits 0-7 are used for indicating driver type */ -#define AZX_DCAPS_NO_TCSEL (1 << 8) /* No Intel TCSEL bit */ -#define AZX_DCAPS_NO_MSI (1 << 9) /* No MSI support */ -#define AZX_DCAPS_SNOOP_MASK (3 << 10) /* snoop type mask */ -#define AZX_DCAPS_SNOOP_OFF (1 << 12) /* snoop default off */ -#ifdef CONFIG_SND_HDA_I915 -#define AZX_DCAPS_I915_COMPONENT (1 << 13) /* bind with i915 gfx */ -#else -#define AZX_DCAPS_I915_COMPONENT 0 /* NOP */ -#endif -/* 14 unused */ -#define AZX_DCAPS_CTX_WORKAROUND (1 << 15) /* X-Fi workaround */ -#define AZX_DCAPS_POSFIX_LPIB (1 << 16) /* Use LPIB as default */ -#define AZX_DCAPS_AMD_WORKAROUND (1 << 17) /* AMD-specific workaround */ -#define AZX_DCAPS_NO_64BIT (1 << 18) /* No 64bit address */ -/* 19 unused */ -#define AZX_DCAPS_OLD_SSYNC (1 << 20) /* Old SSYNC reg for ICH */ -#define AZX_DCAPS_NO_ALIGN_BUFSIZE (1 << 21) /* no buffer size alignment */ -/* 22 unused */ -#define AZX_DCAPS_4K_BDLE_BOUNDARY (1 << 23) /* BDLE in 4k boundary */ -/* 24 unused */ -#define AZX_DCAPS_COUNT_LPIB_DELAY (1 << 25) /* Take LPIB as delay */ -#define AZX_DCAPS_PM_RUNTIME (1 << 26) /* runtime PM support */ -#define AZX_DCAPS_RETRY_PROBE (1 << 27) /* retry probe if no codec is configured */ -#define AZX_DCAPS_CORBRP_SELF_CLEAR (1 << 28) /* CORBRP clears itself after reset */ -#define AZX_DCAPS_NO_MSI64 (1 << 29) /* Stick to 32-bit MSIs */ -#define AZX_DCAPS_SEPARATE_STREAM_TAG (1 << 30) /* capture and playback use separate stream tag */ -#define AZX_DCAPS_PIO_COMMANDS (1 << 31) /* Use PIO instead of CORB for commands */ - -enum { - AZX_SNOOP_TYPE_NONE, - AZX_SNOOP_TYPE_SCH, - AZX_SNOOP_TYPE_ATI, - AZX_SNOOP_TYPE_NVIDIA, -}; - -struct azx_dev { - struct hdac_stream core; - - unsigned int irq_pending:1; - /* - * For VIA: - * A flag to ensure DMA position is 0 - * when link position is not greater than FIFO size - */ - unsigned int insufficient:1; -}; - -#define azx_stream(dev) (&(dev)->core) -#define stream_to_azx_dev(s) container_of(s, struct azx_dev, core) - -struct azx; - -/* Functions to read/write to hda registers. */ -struct hda_controller_ops { - /* Disable msi if supported, PCI only */ - int (*disable_msi_reset_irq)(struct azx *); - /* Check if current position is acceptable */ - int (*position_check)(struct azx *chip, struct azx_dev *azx_dev); - /* enable/disable the link power */ - int (*link_power)(struct azx *chip, bool enable); -}; - -struct azx_pcm { - struct azx *chip; - struct snd_pcm *pcm; - struct hda_codec *codec; - struct hda_pcm *info; - struct list_head list; -}; - -typedef unsigned int (*azx_get_pos_callback_t)(struct azx *, struct azx_dev *); -typedef int (*azx_get_delay_callback_t)(struct azx *, struct azx_dev *, unsigned int pos); - -struct azx { - struct hda_bus bus; - - struct snd_card *card; - struct pci_dev *pci; - int dev_index; - - /* chip type specific */ - int driver_type; - unsigned int driver_caps; - int playback_streams; - int playback_index_offset; - int capture_streams; - int capture_index_offset; - int num_streams; - int jackpoll_interval; /* jack poll interval in jiffies */ - - /* Register interaction. */ - const struct hda_controller_ops *ops; - - /* position adjustment callbacks */ - azx_get_pos_callback_t get_position[2]; - azx_get_delay_callback_t get_delay[2]; - - /* locks */ - struct mutex open_mutex; /* Prevents concurrent open/close operations */ - - /* PCM */ - struct list_head pcm_list; /* azx_pcm list */ - - /* HD codec */ - int codec_probe_mask; /* copied from probe_mask option */ - unsigned int beep_mode; - bool ctl_dev_id; - -#ifdef CONFIG_SND_HDA_PATCH_LOADER - const struct firmware *fw; -#endif - - /* flags */ - int bdl_pos_adj; - unsigned int running:1; - unsigned int fallback_to_single_cmd:1; - unsigned int single_cmd:1; - unsigned int msi:1; - unsigned int probing:1; /* codec probing phase */ - unsigned int snoop:1; - unsigned int uc_buffer:1; /* non-cached pages for stream buffers */ - unsigned int align_buffer_size:1; - unsigned int disabled:1; /* disabled by vga_switcheroo */ - unsigned int pm_prepared:1; - - /* GTS present */ - unsigned int gts_present:1; - -#ifdef CONFIG_SND_HDA_DSP_LOADER - struct azx_dev saved_azx_dev; -#endif -}; - -#define azx_bus(chip) (&(chip)->bus.core) -#define bus_to_azx(_bus) container_of(_bus, struct azx, bus.core) - -static inline bool azx_snoop(struct azx *chip) -{ - return !IS_ENABLED(CONFIG_X86) || chip->snoop; -} - -/* - * macros for easy use - */ - -#define azx_writel(chip, reg, value) \ - snd_hdac_chip_writel(azx_bus(chip), reg, value) -#define azx_readl(chip, reg) \ - snd_hdac_chip_readl(azx_bus(chip), reg) -#define azx_writew(chip, reg, value) \ - snd_hdac_chip_writew(azx_bus(chip), reg, value) -#define azx_readw(chip, reg) \ - snd_hdac_chip_readw(azx_bus(chip), reg) -#define azx_writeb(chip, reg, value) \ - snd_hdac_chip_writeb(azx_bus(chip), reg, value) -#define azx_readb(chip, reg) \ - snd_hdac_chip_readb(azx_bus(chip), reg) - -#define azx_has_pm_runtime(chip) \ - ((chip)->driver_caps & AZX_DCAPS_PM_RUNTIME) - -/* PCM setup */ -static inline struct azx_dev *get_azx_dev(struct snd_pcm_substream *substream) -{ - return substream->runtime->private_data; -} -unsigned int azx_get_position(struct azx *chip, struct azx_dev *azx_dev); -unsigned int azx_get_pos_lpib(struct azx *chip, struct azx_dev *azx_dev); -unsigned int azx_get_pos_posbuf(struct azx *chip, struct azx_dev *azx_dev); - -/* Stream control. */ -void azx_stop_all_streams(struct azx *chip); - -/* Allocation functions. */ -#define azx_alloc_stream_pages(chip) \ - snd_hdac_bus_alloc_stream_pages(azx_bus(chip)) -#define azx_free_stream_pages(chip) \ - snd_hdac_bus_free_stream_pages(azx_bus(chip)) - -/* Low level azx interface */ -void azx_init_chip(struct azx *chip, bool full_reset); -void azx_stop_chip(struct azx *chip); -#define azx_enter_link_reset(chip) \ - snd_hdac_bus_enter_link_reset(azx_bus(chip)) -irqreturn_t azx_interrupt(int irq, void *dev_id); - -/* Codec interface */ -int azx_bus_init(struct azx *chip, const char *model); -int azx_probe_codecs(struct azx *chip, unsigned int max_slots); -int azx_codec_configure(struct azx *chip); -int azx_init_streams(struct azx *chip); -void azx_free_streams(struct azx *chip); - -#endif /* __SOUND_HDA_CONTROLLER_H */ |