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author | David S. Miller <davem@davemloft.net> | 2008-10-11 21:39:35 +0200 |
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committer | David S. Miller <davem@davemloft.net> | 2008-10-11 21:39:35 +0200 |
commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
tree | 00b793965beeef10db03e0ff021d2d965c410759 /sound/pci/hda/hda_intel.c | |
parent | leo: disable cursor when leaving graphics mode (diff) | |
parent | Merge phase #4 (X2APIC, APIC unification, CPU identification unification) of ... (diff) | |
download | linux-56c5d900dbb8e042bfad035d18433476931d8f93.tar.xz linux-56c5d900dbb8e042bfad035d18433476931d8f93.zip |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.c
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r-- | sound/pci/hda/hda_intel.c | 146 |
1 files changed, 122 insertions, 24 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 1c53e337ecb2..9f316c1b2790 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -222,9 +222,9 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; #define RIRB_INT_OVERRUN 0x04 #define RIRB_INT_MASK 0x05 -/* STATESTS int mask: SD2,SD1,SD0 */ -#define AZX_MAX_CODECS 3 -#define STATESTS_INT_MASK 0x07 +/* STATESTS int mask: S3,SD2,SD1,SD0 */ +#define AZX_MAX_CODECS 4 +#define STATESTS_INT_MASK 0x0f /* SD_CTL bits */ #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */ @@ -286,6 +286,11 @@ enum { #define INTEL_SCH_HDA_DEVC 0x78 #define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11) +/* Define IN stream 0 FIFO size offset in VIA controller */ +#define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90 +/* Define VIA HD Audio Device ID*/ +#define VIA_HDAC_DEVICE_ID 0x3288 + /* */ @@ -317,6 +322,12 @@ struct azx_dev { unsigned int running :1; unsigned int irq_pending :1; unsigned int irq_ignore :1; + /* + * For VIA: + * A flag to ensure DMA position is 0 + * when link position is not greater than FIFO size + */ + unsigned int insufficient :1; }; /* CORB/RIRB */ @@ -379,6 +390,7 @@ struct azx { unsigned int polling_mode :1; unsigned int msi :1; unsigned int irq_pending_warned :1; + unsigned int via_dmapos_patch :1; /* enable DMA-position fix for VIA */ /* for debugging */ unsigned int last_cmd; /* last issued command (to sync) */ @@ -398,6 +410,7 @@ enum { AZX_DRIVER_ULI, AZX_DRIVER_NVIDIA, AZX_DRIVER_TERA, + AZX_NUM_DRIVERS, /* keep this as last entry */ }; static char *driver_short_names[] __devinitdata = { @@ -818,6 +831,11 @@ static void azx_int_clear(struct azx *chip) /* start a stream */ static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev) { + /* + * Before stream start, initialize parameter + */ + azx_dev->insufficient = 1; + /* enable SIE */ azx_writeb(chip, INTCTL, azx_readb(chip, INTCTL) | (1 << azx_dev->index)); @@ -998,7 +1016,6 @@ static int setup_bdle(struct snd_pcm_substream *substream, struct azx_dev *azx_dev, u32 **bdlp, int ofs, int size, int with_ioc) { - struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); u32 *bdl = *bdlp; while (size > 0) { @@ -1008,14 +1025,12 @@ static int setup_bdle(struct snd_pcm_substream *substream, if (azx_dev->frags >= AZX_MAX_BDL_ENTRIES) return -EINVAL; - addr = snd_pcm_sgbuf_get_addr(sgbuf, ofs); + addr = snd_pcm_sgbuf_get_addr(substream, ofs); /* program the address field of the BDL entry */ bdl[0] = cpu_to_le32((u32)addr); bdl[1] = cpu_to_le32(upper_32_bits(addr)); /* program the size field of the BDL entry */ - chunk = PAGE_SIZE - (ofs % PAGE_SIZE); - if (size < chunk) - chunk = size; + chunk = snd_pcm_sgbuf_get_chunk_size(substream, ofs, size); bdl[2] = cpu_to_le32(chunk); /* program the IOC to enable interrupt * only when the whole fragment is processed @@ -1151,7 +1166,8 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev) /* enable the position buffer */ if (chip->position_fix == POS_FIX_POSBUF || - chip->position_fix == POS_FIX_AUTO) { + chip->position_fix == POS_FIX_AUTO || + chip->via_dmapos_patch) { if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE)) azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE); @@ -1169,23 +1185,26 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev) * Codec initialization */ -static unsigned int azx_max_codecs[] __devinitdata = { - [AZX_DRIVER_ICH] = 4, /* Some ICH9 boards use SD3 */ - [AZX_DRIVER_SCH] = 3, - [AZX_DRIVER_ATI] = 4, - [AZX_DRIVER_ATIHDMI] = 4, - [AZX_DRIVER_VIA] = 3, /* FIXME: correct? */ - [AZX_DRIVER_SIS] = 3, /* FIXME: correct? */ - [AZX_DRIVER_ULI] = 3, /* FIXME: correct? */ - [AZX_DRIVER_NVIDIA] = 3, /* FIXME: correct? */ +/* number of codec slots for each chipset: 0 = default slots (i.e. 4) */ +static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = { [AZX_DRIVER_TERA] = 1, }; +/* number of slots to probe as default + * this can be different from azx_max_codecs[] -- e.g. some boards + * report wrongly the non-existing 4th slot availability + */ +static unsigned int azx_default_codecs[AZX_NUM_DRIVERS] __devinitdata = { + [AZX_DRIVER_ICH] = 3, + [AZX_DRIVER_ATI] = 3, +}; + static int __devinit azx_codec_create(struct azx *chip, const char *model, unsigned int codec_probe_mask) { struct hda_bus_template bus_temp; int c, codecs, audio_codecs, err; + int def_slots, max_slots; memset(&bus_temp, 0, sizeof(bus_temp)); bus_temp.private_data = chip; @@ -1201,8 +1220,17 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model, if (err < 0) return err; + if (chip->driver_type == AZX_DRIVER_NVIDIA) + chip->bus->needs_damn_long_delay = 1; + codecs = audio_codecs = 0; - for (c = 0; c < AZX_MAX_CODECS; c++) { + max_slots = azx_max_codecs[chip->driver_type]; + if (!max_slots) + max_slots = AZX_MAX_CODECS; + def_slots = azx_default_codecs[chip->driver_type]; + if (!def_slots) + def_slots = max_slots; + for (c = 0; c < def_slots; c++) { if ((chip->codec_mask & (1 << c)) & codec_probe_mask) { struct hda_codec *codec; err = snd_hda_codec_new(chip->bus, c, &codec); @@ -1215,7 +1243,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model, } if (!audio_codecs) { /* probe additional slots if no codec is found */ - for (; c < azx_max_codecs[chip->driver_type]; c++) { + for (; c < max_slots; c++) { if ((chip->codec_mask & (1 << c)) & codec_probe_mask) { err = snd_hda_codec_new(chip->bus, c, NULL); if (err < 0) @@ -1507,13 +1535,71 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) return 0; } +/* get the current DMA position with correction on VIA chips */ +static unsigned int azx_via_get_position(struct azx *chip, + struct azx_dev *azx_dev) +{ + unsigned int link_pos, mini_pos, bound_pos; + unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos; + unsigned int fifo_size; + + link_pos = azx_sd_readl(azx_dev, SD_LPIB); + if (azx_dev->index >= 4) { + /* Playback, no problem using link position */ + return link_pos; + } + + /* Capture */ + /* For new chipset, + * use mod to get the DMA position just like old chipset + */ + mod_dma_pos = le32_to_cpu(*azx_dev->posbuf); + mod_dma_pos %= azx_dev->period_bytes; + + /* azx_dev->fifo_size can't get FIFO size of in stream. + * Get from base address + offset. + */ + fifo_size = readw(chip->remap_addr + VIA_IN_STREAM0_FIFO_SIZE_OFFSET); + + if (azx_dev->insufficient) { + /* Link position never gather than FIFO size */ + if (link_pos <= fifo_size) + return 0; + + azx_dev->insufficient = 0; + } + + if (link_pos <= fifo_size) + mini_pos = azx_dev->bufsize + link_pos - fifo_size; + else + mini_pos = link_pos - fifo_size; + + /* Find nearest previous boudary */ + mod_mini_pos = mini_pos % azx_dev->period_bytes; + mod_link_pos = link_pos % azx_dev->period_bytes; + if (mod_link_pos >= fifo_size) + bound_pos = link_pos - mod_link_pos; + else if (mod_dma_pos >= mod_mini_pos) + bound_pos = mini_pos - mod_mini_pos; + else { + bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes; + if (bound_pos >= azx_dev->bufsize) + bound_pos = 0; + } + + /* Calculate real DMA position we want */ + return bound_pos + mod_dma_pos; +} + static unsigned int azx_get_position(struct azx *chip, struct azx_dev *azx_dev) { unsigned int pos; - if (chip->position_fix == POS_FIX_POSBUF || - chip->position_fix == POS_FIX_AUTO) { + if (chip->via_dmapos_patch) + pos = azx_via_get_position(chip, azx_dev); + else if (chip->position_fix == POS_FIX_POSBUF || + chip->position_fix == POS_FIX_AUTO) { /* use the position buffer */ pos = le32_to_cpu(*azx_dev->posbuf); } else { @@ -1559,6 +1645,8 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) chip->position_fix = POS_FIX_POSBUF; } + if (!bdl_pos_adj[chip->dev_index]) + return 1; /* no delayed ack */ if (pos % azx_dev->period_bytes > azx_dev->period_bytes / 2) return 0; /* NG - it's below the period boundary */ return 1; /* OK, it's fine */ @@ -1646,7 +1734,8 @@ static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec, if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams) return 0; - snd_assert(cpcm->name, return -EINVAL); + if (snd_BUG_ON(!cpcm->name)) + return -EINVAL; err = snd_pcm_new(chip->card, cpcm->name, cpcm->device, cpcm->stream[0].substreams, @@ -1670,7 +1759,7 @@ static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec, snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &azx_pcm_ops); snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(chip->pci), - 1024 * 64, 1024 * 1024); + 1024 * 64, 32 * 1024 * 1024); chip->pcm[cpcm->device] = pcm; return 0; } @@ -1946,6 +2035,15 @@ static int __devinit check_position_fix(struct azx *chip, int fix) { const struct snd_pci_quirk *q; + /* Check VIA HD Audio Controller exist */ + if (chip->pci->vendor == PCI_VENDOR_ID_VIA && + chip->pci->device == VIA_HDAC_DEVICE_ID) { + chip->via_dmapos_patch = 1; + /* Use link position directly, avoid any transfer problem. */ + return POS_FIX_LPIB; + } + chip->via_dmapos_patch = 0; + if (fix == POS_FIX_AUTO) { q = snd_pci_quirk_lookup(chip->pci, position_fix_list); if (q) { |