diff options
Diffstat (limited to 'sound/pci/hda/hda_controller.c')
| -rw-r--r-- | sound/pci/hda/hda_controller.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index efe98f6f19a3..f3330b7e0fcf 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -3,7 +3,7 @@ * * Implementation of primary alsa driver code base for Intel HD Audio. * - * Copyright(c) 2004 Intel Corporation. All rights reserved. + * Copyright(c) 2004 Intel Corporation * * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> * PeiSen Hou <pshou@realtek.com.tw> @@ -24,6 +24,7 @@ #include <sound/core.h> #include <sound/initval.h> +#include <sound/pcm_params.h> #include "hda_controller.h" #include "hda_local.h" @@ -108,6 +109,7 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream, struct azx_pcm *apcm = snd_pcm_substream_chip(substream); struct azx *chip = apcm->chip; struct azx_dev *azx_dev = get_azx_dev(substream); + struct hdac_stream *hdas = azx_stream(azx_dev); int ret = 0; trace_azx_pcm_hw_params(chip, azx_dev); @@ -117,9 +119,15 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream, goto unlock; } - azx_dev->core.bufsize = 0; - azx_dev->core.period_bytes = 0; - azx_dev->core.format_val = 0; + /* Set up BDLEs here, return -ENOMEM if too many BDLEs are required */ + hdas->bufsize = params_buffer_bytes(hw_params); + hdas->period_bytes = params_period_bytes(hw_params); + hdas->format_val = 0; + hdas->no_period_wakeup = + (hw_params->info & SNDRV_PCM_INFO_NO_PERIOD_WAKEUP) && + (hw_params->flags & SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP); + if (snd_hdac_stream_setup_periods(hdas) < 0) + ret = -ENOMEM; unlock: dsp_unlock(azx_dev); @@ -267,8 +275,7 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) spin_lock(&bus->reg_lock); /* reset SYNC bits */ snd_hdac_stream_sync_trigger(hstr, false, sbits, sync_reg); - if (start) - snd_hdac_stream_timecounter_init(hstr, sbits); + snd_hdac_stream_timecounter_init(hstr, sbits, start); spin_unlock(&bus->reg_lock); return 0; } @@ -455,7 +462,8 @@ static int azx_get_sync_time(ktime_t *device, *device = ktime_add_ns(*device, (wallclk_cycles * NSEC_PER_SEC) / ((HDA_MAX_CYCLE_VALUE + 1) * runtime->rate)); - *system = convert_art_to_tsc(tsc_counter); + system->cycles = tsc_counter; + system->cs_id = CSID_X86_ART; return 0; } @@ -906,7 +914,7 @@ static int azx_send_cmd(struct hdac_bus *bus, unsigned int val) if (chip->disabled) return 0; - if (chip->single_cmd) + if (chip->single_cmd || bus->use_pio_for_commands) return azx_single_send_cmd(bus, val); else return snd_hdac_bus_send_cmd(bus, val); @@ -920,7 +928,7 @@ static int azx_get_response(struct hdac_bus *bus, unsigned int addr, if (chip->disabled) return 0; - if (chip->single_cmd) + if (chip->single_cmd || bus->use_pio_for_commands) return azx_single_get_response(bus, addr, res); else return azx_rirb_get_response(bus, addr, res); @@ -1067,11 +1075,9 @@ irqreturn_t azx_interrupt(int irq, void *dev_id) bool active, handled = false; int repeat = 0; /* count for avoiding endless loop */ -#ifdef CONFIG_PM if (azx_has_pm_runtime(chip)) if (!pm_runtime_active(chip->card->dev)) return IRQ_NONE; -#endif spin_lock(&bus->reg_lock); @@ -1180,6 +1186,9 @@ int azx_bus_init(struct azx *chip, const char *model) if (chip->driver_caps & AZX_DCAPS_4K_BDLE_BOUNDARY) bus->core.align_bdle_4k = true; + if (chip->driver_caps & AZX_DCAPS_PIO_COMMANDS) + bus->core.use_pio_for_commands = true; + /* enable sync_write flag for stable communication as default */ bus->core.sync_write = 1; |