From ee50487c32c570dbe8521d0b40ca6e77c5adc931 Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Thu, 5 Feb 2004 17:54:42 +0100 Subject: [PATCH] ALSA CVS update - Jaroslav Kysela Documentation,PCI drivers,BT87x driver Moved bt87x driver from alsa-driver to alsa-kernel --- .../sound/alsa/ALSA-Configuration.txt | 9 + sound/pci/Kconfig | 7 + sound/pci/Makefile | 4 +- sound/pci/bt87x.c | 891 ++++++++++++++++++ 4 files changed, 910 insertions(+), 1 deletion(-) create mode 100644 sound/pci/bt87x.c diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 8eeed0496c28e..2472f42ed50d1 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -203,6 +203,15 @@ Module parameters Module supports up to 8 cards. + Module snd-bt87x + ---------------- + + Module for video cards based on Bt87x chips. + + digital_rate - Override the default digital rate (Hz) + + Module supports up to 8 cards. + Module snd-cmi8330 ------------------ diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 1171ed7fbf0c1..6fdd6f3f7018a 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -15,6 +15,13 @@ config SND_AZT3328 help Say 'Y' or 'M' to include support for Aztech AZF3328 (PCI168) soundcards. +config SND_BT87X + tristate "Bt87x Audio Capture" + depends on SND + help + Say 'Y' or 'M' to include support for recording audio from TV cards + based on Brooktree Bt878/Bt879 chips. + config SND_CS46XX tristate "Cirrus Logic (Sound Fusion) CS4280/CS461x/CS462x/CS463x" depends on SND diff --git a/sound/pci/Makefile b/sound/pci/Makefile index 81eed13cd440e..85c7047139ab4 100644 --- a/sound/pci/Makefile +++ b/sound/pci/Makefile @@ -5,6 +5,7 @@ snd-als4000-objs := als4000.o snd-azt3328-objs := azt3328.o +snd-bt87x-objs := bt87x.o snd-cmipci-objs := cmipci.o snd-cs4281-objs := cs4281.o snd-ens1370-objs := ens1370.o @@ -21,6 +22,8 @@ snd-via82xx-objs := via82xx.o # Toplevel Module Dependency obj-$(CONFIG_SND_ALS4000) += snd-als4000.o +obj-$(CONFIG_SND_AZT3328) += snd-azt3328.o +obj-$(CONFIG_SND_BT87X) += snd-bt87x.o obj-$(CONFIG_SND_CMIPCI) += snd-cmipci.o obj-$(CONFIG_SND_CS4281) += snd-cs4281.o obj-$(CONFIG_SND_ENS1370) += snd-ens1370.o @@ -34,6 +37,5 @@ obj-$(CONFIG_SND_RME32) += snd-rme32.o obj-$(CONFIG_SND_RME96) += snd-rme96.o obj-$(CONFIG_SND_SONICVIBES) += snd-sonicvibes.o obj-$(CONFIG_SND_VIA82XX) += snd-via82xx.o -obj-$(CONFIG_SND_AZT3328) += snd-azt3328.o obj-$(CONFIG_SND) += ac97/ ali5451/ cs46xx/ emu10k1/ korg1212/ nm256/ rme9652/ trident/ ymfpci/ ice1712/ vx222/ diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c new file mode 100644 index 0000000000000..9acf55cdca913 --- /dev/null +++ b/sound/pci/bt87x.c @@ -0,0 +1,891 @@ +/* + * bt87x.c - Brooktree Bt878/Bt879 driver for ALSA + * + * Copyright (c) Clemens Ladisch + * + * based on btaudio.c by Gerd Knorr + * + * + * This driver is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This driver is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#define SNDRV_GET_ID +#include + +MODULE_AUTHOR("Clemens Ladisch "); +MODULE_DESCRIPTION("Brooktree Bt87x audio driver"); +MODULE_LICENSE("GPL"); +MODULE_CLASSES("{sound}"); +MODULE_DEVICES("{{Brooktree,Bt878}," + "{Brooktree,Bt879}}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ +static int digital_rate[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = 0 }; /* digital input rate */ + +MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); +MODULE_PARM_DESC(index, "Index value for Bt87x soundcard"); +MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC); +MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s"); +MODULE_PARM_DESC(id, "ID string for Bt87x soundcard"); +MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC); +MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); +MODULE_PARM_DESC(enable, "Enable Bt87x soundcard"); +MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC); +MODULE_PARM(digital_rate, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); +MODULE_PARM_DESC(digital_rate, "Digital input rate for Bt87x soundcard"); +MODULE_PARM_SYNTAX(digital_rate, SNDRV_ENABLED); + + +#ifndef PCI_VENDOR_ID_BROOKTREE +#define PCI_VENDOR_ID_BROOKTREE 0x109e +#endif +#ifndef PCI_DEVICE_ID_BROOKTREE_878 +#define PCI_DEVICE_ID_BROOKTREE_878 0x0878 +#endif +#ifndef PCI_DEVICE_ID_BROOKTREE_879 +#define PCI_DEVICE_ID_BROOKTREE_879 0x0879 +#endif + +/* register offsets */ +#define REG_INT_STAT 0x100 /* interrupt status */ +#define REG_INT_MASK 0x104 /* interrupt mask */ +#define REG_GPIO_DMA_CTL 0x10c /* audio control */ +#define REG_PACKET_LEN 0x110 /* audio packet lengths */ +#define REG_RISC_STRT_ADD 0x114 /* RISC program start address */ +#define REG_RISC_COUNT 0x120 /* RISC program counter */ + +/* interrupt bits */ +#define INT_OFLOW (1 << 3) /* audio A/D overflow */ +#define INT_RISCI (1 << 11) /* RISC instruction IRQ bit set */ +#define INT_FBUS (1 << 12) /* FIFO overrun due to bus access latency */ +#define INT_FTRGT (1 << 13) /* FIFO overrun due to target latency */ +#define INT_FDSR (1 << 14) /* FIFO data stream resynchronization */ +#define INT_PPERR (1 << 15) /* PCI parity error */ +#define INT_RIPERR (1 << 16) /* RISC instruction parity error */ +#define INT_PABORT (1 << 17) /* PCI master or target abort */ +#define INT_OCERR (1 << 18) /* invalid opcode */ +#define INT_SCERR (1 << 19) /* sync counter overflow */ +#define INT_RISC_EN (1 << 27) /* DMA controller running */ +#define INT_RISCS_SHIFT 28 /* RISC status bits */ + +/* audio control bits */ +#define CTL_FIFO_ENABLE (1 << 0) /* enable audio data FIFO */ +#define CTL_RISC_ENABLE (1 << 1) /* enable audio DMA controller */ +#define CTL_PKTP_4 (0 << 2) /* packet mode FIFO trigger point - 4 DWORDs */ +#define CTL_PKTP_8 (1 << 2) /* 8 DWORDs */ +#define CTL_PKTP_16 (2 << 2) /* 16 DWORDs */ +#define CTL_ACAP_EN (1 << 4) /* enable audio capture */ +#define CTL_DA_APP (1 << 5) /* GPIO input */ +#define CTL_DA_IOM_AFE (0 << 6) /* audio A/D input */ +#define CTL_DA_IOM_DA (1 << 6) /* digital audio input */ +#define CTL_DA_SDR_SHIFT 8 /* DDF first stage decimation rate */ +#define CTL_DA_SDR_MASK (0xf<< 8) +#define CTL_DA_LMT (1 << 12) /* limit audio data values */ +#define CTL_DA_ES2 (1 << 13) /* enable DDF stage 2 */ +#define CTL_DA_SBR (1 << 14) /* samples rounded to 8 bits */ +#define CTL_DA_DPM (1 << 15) /* data packet mode */ +#define CTL_DA_LRD_SHIFT 16 /* ALRCK delay */ +#define CTL_DA_MLB (1 << 21) /* MSB/LSB format */ +#define CTL_DA_LRI (1 << 22) /* left/right indication */ +#define CTL_DA_SCE (1 << 23) /* sample clock edge */ +#define CTL_A_SEL_STV (0 << 24) /* TV tuner audio input */ +#define CTL_A_SEL_SFM (1 << 24) /* FM audio input */ +#define CTL_A_SEL_SML (2 << 24) /* mic/line audio input */ +#define CTL_A_SEL_SMXC (3 << 24) /* MUX bypass */ +#define CTL_A_SEL_SHIFT 24 +#define CTL_A_SEL_MASK (3 << 24) +#define CTL_A_PWRDN (1 << 26) /* analog audio power-down */ +#define CTL_A_G2X (1 << 27) /* audio gain boost */ +#define CTL_A_GAIN_SHIFT 28 /* audio input gain */ +#define CTL_A_GAIN_MASK (0xf<<28) + +/* RISC instruction opcodes */ +#define RISC_WRITE (0x1 << 28) /* write FIFO data to memory at address */ +#define RISC_WRITEC (0x5 << 28) /* write FIFO data to memory at current address */ +#define RISC_SKIP (0x2 << 28) /* skip FIFO data */ +#define RISC_JUMP (0x7 << 28) /* jump to address */ +#define RISC_SYNC (0x8 << 28) /* synchronize with FIFO */ + +/* RISC instruction bits */ +#define RISC_BYTES_ENABLE (0xf << 12) /* byte enable bits */ +#define RISC_RESYNC ( 1 << 15) /* disable FDSR errors */ +#define RISC_SET_STATUS_SHIFT 16 /* set status bits */ +#define RISC_RESET_STATUS_SHIFT 20 /* clear status bits */ +#define RISC_IRQ ( 1 << 24) /* interrupt */ +#define RISC_EOL ( 1 << 26) /* end of line */ +#define RISC_SOL ( 1 << 27) /* start of line */ + +/* SYNC status bits values */ +#define RISC_SYNC_FM1 0x6 +#define RISC_SYNC_VRO 0xc + +#define ERROR_INTERRUPTS (INT_FBUS | INT_FTRGT | INT_PPERR | \ + INT_RIPERR | INT_PABORT | INT_OCERR) +#define MY_INTERRUPTS (INT_RISCI | ERROR_INTERRUPTS) + +/* SYNC, one WRITE per line, one extra WRITE per page boundary, SYNC, JUMP */ +#define MAX_RISC_SIZE ((1 + 255 + (PAGE_ALIGN(255 * 4092) / PAGE_SIZE - 1) + 1 + 1) * 8) + +#define chip_t bt87x_t +typedef struct snd_bt87x bt87x_t; +struct snd_bt87x { + snd_card_t *card; + struct pci_dev *pci; + + void *mmio; + struct resource *res_mmio; + int irq; + + int dig_rate; + + spinlock_t reg_lock; + long opened; + snd_pcm_substream_t *substream; + + u32 *risc; + dma_addr_t risc_dma; + unsigned int line_bytes; + unsigned int lines; + + u32 reg_control; + int current_line; +}; + +enum { DEVICE_DIGITAL, DEVICE_ANALOG }; + +static inline u32 snd_bt87x_readl(bt87x_t *chip, u32 reg) +{ + return readl(chip->mmio + reg); +} + +static inline void snd_bt87x_writel(bt87x_t *chip, u32 reg, u32 value) +{ + writel(value, chip->mmio + reg); +} + +static int snd_bt87x_create_risc(bt87x_t *chip, snd_pcm_substream_t *substream, + unsigned int periods, unsigned int period_bytes) +{ + struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); + unsigned int i, offset; + u32 *risc; + + if (!chip->risc) { + chip->risc = (u32*)snd_malloc_pci_pages + (chip->pci, PAGE_ALIGN(MAX_RISC_SIZE), &chip->risc_dma); + if (!chip->risc) + return -ENOMEM; + } + risc = chip->risc; + offset = 0; + *risc++ = cpu_to_le32(RISC_SYNC | RISC_SYNC_FM1); + *risc++ = cpu_to_le32(0); + for (i = 0; i < periods; ++i) { + u32 rest; + + rest = period_bytes; + do { + u32 cmd, len; + + len = PAGE_SIZE - (offset % PAGE_SIZE); + if (len > rest) + len = rest; + cmd = RISC_WRITE | len; + if (rest == period_bytes) { + u32 block = i * 16 / periods; + cmd |= RISC_SOL; + cmd |= block << RISC_SET_STATUS_SHIFT; + cmd |= (~block & 0xf) << RISC_RESET_STATUS_SHIFT; + } + if (len == rest) + cmd |= RISC_EOL | RISC_IRQ; + *risc++ = cpu_to_le32(cmd); + *risc++ = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, offset)); + offset += len; + rest -= len; + } while (rest > 0); + } + *risc++ = cpu_to_le32(RISC_SYNC | RISC_SYNC_VRO); + *risc++ = cpu_to_le32(0); + *risc++ = cpu_to_le32(RISC_JUMP); + *risc++ = cpu_to_le32(chip->risc_dma); + chip->line_bytes = period_bytes; + chip->lines = periods; + return 0; +} + +static void snd_bt87x_free_risc(bt87x_t *chip) +{ + if (chip->risc) { + snd_free_pci_pages(chip->pci, PAGE_ALIGN(MAX_RISC_SIZE), + chip->risc, chip->risc_dma); + chip->risc = NULL; + } +} + +static irqreturn_t snd_bt87x_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + bt87x_t *chip = snd_magic_cast(bt87x_t, dev_id, return IRQ_NONE); + unsigned int status; + + status = snd_bt87x_readl(chip, REG_INT_STAT); + if (!(status & MY_INTERRUPTS)) + return IRQ_NONE; + snd_bt87x_writel(chip, REG_INT_STAT, status & MY_INTERRUPTS); + + if (status & ERROR_INTERRUPTS) { + if (status & (INT_FBUS | INT_FTRGT)) + snd_printk(KERN_WARNING "FIFO overrun, status %#08x\n", status); + if (status & INT_OCERR) + snd_printk(KERN_ERR "internal RISC error, status %#08x\n", status); + if (status & (INT_PPERR | INT_RIPERR | INT_PABORT)) { + u16 pci_status; + pci_read_config_word(chip->pci, PCI_STATUS, &pci_status); + pci_write_config_word(chip->pci, PCI_STATUS, pci_status & + (PCI_STATUS_PARITY | PCI_STATUS_SIG_TARGET_ABORT | + PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_REC_MASTER_ABORT | + PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY)); + snd_printk(KERN_ERR "Aieee - PCI error! status %#08x, PCI status %#04x\n", + status, pci_status); + } + } + if (status & INT_RISCI) { + int current_block, irq_block; + + /* assume that exactly one line has been recorded */ + chip->current_line = (chip->current_line + 1) % chip->lines; + /* but check if some interrupts have been skipped */ + current_block = chip->current_line * 16 / chip->lines; + irq_block = status >> INT_RISCS_SHIFT; + if (current_block != irq_block) + chip->current_line = (irq_block * chip->lines + 15) / 16; + + snd_pcm_period_elapsed(chip->substream); + } + return IRQ_HANDLED; +} + +static snd_pcm_hardware_t snd_bt87x_digital_hw = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = 0, /* set at runtime */ + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = 255 * 4092, + .period_bytes_min = 32, + .period_bytes_max = 4092, + .periods_min = 2, + .periods_max = 255, +}; + +static snd_pcm_hardware_t snd_bt87x_analog_hw = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8, + .rates = SNDRV_PCM_RATE_KNOT, + .rate_min = 119467, + .rate_max = 448000, + .channels_min = 1, + .channels_max = 1, + .buffer_bytes_max = 255 * 4092, + .period_bytes_min = 32, + .period_bytes_max = 4092, + .periods_min = 2, + .periods_max = 255, +}; + +static int snd_bt87x_set_digital_hw(bt87x_t *chip, snd_pcm_runtime_t *runtime) +{ + static struct { + int rate; + unsigned int bit; + } ratebits[] = { + {8000, SNDRV_PCM_RATE_8000}, + {11025, SNDRV_PCM_RATE_11025}, + {16000, SNDRV_PCM_RATE_16000}, + {22050, SNDRV_PCM_RATE_22050}, + {32000, SNDRV_PCM_RATE_32000}, + {44100, SNDRV_PCM_RATE_44100}, + {48000, SNDRV_PCM_RATE_48000} + }; + int i; + + chip->reg_control |= CTL_DA_IOM_DA; + runtime->hw = snd_bt87x_digital_hw; + runtime->hw.rates = SNDRV_PCM_RATE_KNOT; + for (i = 0; i < ARRAY_SIZE(ratebits); ++i) + if (chip->dig_rate == ratebits[i].rate) { + runtime->hw.rates = ratebits[i].bit; + break; + } + runtime->hw.rate_min = chip->dig_rate; + runtime->hw.rate_max = chip->dig_rate; + return 0; +} + +static int snd_bt87x_set_analog_hw(bt87x_t *chip, snd_pcm_runtime_t *runtime) +{ + static unsigned int rates[] = { + 119467, 128000, 137846, 149333, 162909, 179200, + 199111, 224000, 256000, 298667, 358400, 448000 + }; + static snd_pcm_hw_constraint_list_t constraint_rates = { + .count = ARRAY_SIZE(rates), + .list = rates, + .mask = 0, + }; + + chip->reg_control &= ~CTL_DA_IOM_DA; + runtime->hw = snd_bt87x_analog_hw; + return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + &constraint_rates); +} + +static int snd_bt87x_pcm_open(snd_pcm_substream_t *substream) +{ + bt87x_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + int err; + + if (test_and_set_bit(0, &chip->opened)) + return -EBUSY; + + if (substream->pcm->device == DEVICE_DIGITAL) + err = snd_bt87x_set_digital_hw(chip, runtime); + else + err = snd_bt87x_set_analog_hw(chip, runtime); + if (err < 0) + goto _error; + + err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) + goto _error; + + chip->substream = substream; + return 0; + +_error: + clear_bit(0, &chip->opened); + smp_mb__after_clear_bit(); + return err; +} + +static int snd_bt87x_close(snd_pcm_substream_t *substream) +{ + bt87x_t *chip = snd_pcm_substream_chip(substream); + + chip->substream = NULL; + clear_bit(0, &chip->opened); + smp_mb__after_clear_bit(); + return 0; +} + +static int snd_bt87x_hw_params(snd_pcm_substream_t *substream, + snd_pcm_hw_params_t *hw_params) +{ + bt87x_t *chip = snd_pcm_substream_chip(substream); + int err; + + err = snd_pcm_lib_malloc_pages(substream, + params_buffer_bytes(hw_params)); + if (err < 0) + return err; + return snd_bt87x_create_risc(chip, substream, + params_periods(hw_params), + params_period_bytes(hw_params)); +} + +static int snd_bt87x_hw_free(snd_pcm_substream_t *substream) +{ + bt87x_t *chip = snd_pcm_substream_chip(substream); + + snd_bt87x_free_risc(chip); + snd_pcm_lib_free_pages(substream); + return 0; +} + +static int snd_bt87x_prepare(snd_pcm_substream_t *substream) +{ + bt87x_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + unsigned long flags; + int decimation; + + spin_lock_irqsave(&chip->reg_lock, flags); + chip->reg_control &= ~(CTL_DA_SDR_MASK | CTL_DA_SBR); + decimation = (1792000 + 5) / runtime->rate; + chip->reg_control |= decimation << CTL_DA_SDR_SHIFT; + if (runtime->format == SNDRV_PCM_FORMAT_S8) + chip->reg_control |= CTL_DA_SBR; + snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control); + spin_unlock_irqrestore(&chip->reg_lock, flags); + return 0; +} + +static int snd_bt87x_start(bt87x_t *chip) +{ + unsigned long flags; + + spin_lock_irqsave(&chip->reg_lock, flags); + chip->current_line = 0; + chip->reg_control |= CTL_FIFO_ENABLE | CTL_RISC_ENABLE | CTL_ACAP_EN; + snd_bt87x_writel(chip, REG_RISC_STRT_ADD, chip->risc_dma); + snd_bt87x_writel(chip, REG_PACKET_LEN, + chip->line_bytes | (chip->lines << 16)); + snd_bt87x_writel(chip, REG_INT_MASK, MY_INTERRUPTS); + snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control); + spin_unlock_irqrestore(&chip->reg_lock, flags); + return 0; +} + +static int snd_bt87x_stop(bt87x_t *chip) +{ + unsigned long flags; + + spin_lock_irqsave(&chip->reg_lock, flags); + chip->reg_control &= ~(CTL_FIFO_ENABLE | CTL_RISC_ENABLE | CTL_ACAP_EN); + snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control); + snd_bt87x_writel(chip, REG_INT_MASK, 0); + snd_bt87x_writel(chip, REG_INT_STAT, MY_INTERRUPTS); + spin_unlock_irqrestore(&chip->reg_lock, flags); + return 0; +} + +static int snd_bt87x_trigger(snd_pcm_substream_t *substream, int cmd) +{ + bt87x_t *chip = snd_pcm_substream_chip(substream); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + return snd_bt87x_start(chip); + case SNDRV_PCM_TRIGGER_STOP: + return snd_bt87x_stop(chip); + default: + return -EINVAL; + } +} + +static snd_pcm_uframes_t snd_bt87x_pointer(snd_pcm_substream_t *substream) +{ + bt87x_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + + return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes); +} + +static snd_pcm_ops_t snd_bt87x_pcm_ops = { + .open = snd_bt87x_pcm_open, + .close = snd_bt87x_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_bt87x_hw_params, + .hw_free = snd_bt87x_hw_free, + .prepare = snd_bt87x_prepare, + .trigger = snd_bt87x_trigger, + .pointer = snd_bt87x_pointer, + .page = snd_pcm_sgbuf_ops_page, +}; + +static int snd_bt87x_capture_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *info) +{ + info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + info->count = 1; + info->value.integer.min = 0; + info->value.integer.max = 15; + return 0; +} + +static int snd_bt87x_capture_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value) +{ + bt87x_t *chip = snd_kcontrol_chip(kcontrol); + + value->value.integer.value[0] = (chip->reg_control & CTL_A_GAIN_MASK) >> CTL_A_GAIN_SHIFT; + return 0; +} + +static int snd_bt87x_capture_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value) +{ + bt87x_t *chip = snd_kcontrol_chip(kcontrol); + unsigned long flags; + u32 old_control; + int changed; + + spin_lock_irqsave(&chip->reg_lock, flags); + old_control = chip->reg_control; + chip->reg_control = (chip->reg_control & ~CTL_A_GAIN_MASK) + | (value->value.integer.value[0] << CTL_A_GAIN_SHIFT); + snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control); + changed = old_control != chip->reg_control; + spin_unlock_irqrestore(&chip->reg_lock, flags); + return changed; +} + +static snd_kcontrol_new_t snd_bt87x_capture_volume = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Capture Volume", + .info = snd_bt87x_capture_volume_info, + .get = snd_bt87x_capture_volume_get, + .put = snd_bt87x_capture_volume_put, +}; + +static int snd_bt87x_capture_boost_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *info) +{ + info->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + info->count = 1; + info->value.integer.min = 0; + info->value.integer.max = 1; + return 0; +} + +static int snd_bt87x_capture_boost_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value) +{ + bt87x_t *chip = snd_kcontrol_chip(kcontrol); + + value->value.integer.value[0] = !! (chip->reg_control & CTL_A_G2X); + return 0; +} + +static int snd_bt87x_capture_boost_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value) +{ + bt87x_t *chip = snd_kcontrol_chip(kcontrol); + unsigned long flags; + u32 old_control; + int changed; + + spin_lock_irqsave(&chip->reg_lock, flags); + old_control = chip->reg_control; + chip->reg_control = (chip->reg_control & ~CTL_A_G2X) + | (value->value.integer.value[0] ? CTL_A_G2X : 0); + snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control); + changed = chip->reg_control != old_control; + spin_unlock_irqrestore(&chip->reg_lock, flags); + return changed; +} + +static snd_kcontrol_new_t snd_bt87x_capture_boost = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Capture Boost", + .info = snd_bt87x_capture_boost_info, + .get = snd_bt87x_capture_boost_get, + .put = snd_bt87x_capture_boost_put, +}; + +static int snd_bt87x_capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *info) +{ + static char *texts[3] = {"TV Tuner", "FM", "Mic/Line"}; + + info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + info->count = 1; + info->value.enumerated.items = 3; + if (info->value.enumerated.item > 2) + info->value.enumerated.item = 2; + strcpy(info->value.enumerated.name, texts[info->value.enumerated.item]); + return 0; +} + +static int snd_bt87x_capture_source_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value) +{ + bt87x_t *chip = snd_kcontrol_chip(kcontrol); + + value->value.enumerated.item[0] = (chip->reg_control & CTL_A_SEL_MASK) >> CTL_A_SEL_SHIFT; + return 0; +} + +static int snd_bt87x_capture_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value) +{ + bt87x_t *chip = snd_kcontrol_chip(kcontrol); + unsigned long flags; + u32 old_control; + int changed; + + spin_lock_irqsave(&chip->reg_lock, flags); + old_control = chip->reg_control; + chip->reg_control = (chip->reg_control & ~CTL_A_SEL_MASK) + | (value->value.enumerated.item[0] << CTL_A_SEL_SHIFT); + snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control); + changed = chip->reg_control != old_control; + spin_unlock_irqrestore(&chip->reg_lock, flags); + return changed; +} + +static snd_kcontrol_new_t snd_bt87x_capture_source = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Capture Source", + .info = snd_bt87x_capture_source_info, + .get = snd_bt87x_capture_source_get, + .put = snd_bt87x_capture_source_put, +}; + +static int snd_bt87x_free(bt87x_t *chip) +{ + if (chip->mmio) { + snd_bt87x_stop(chip); + if (chip->irq >= 0) + synchronize_irq(chip->irq); + + iounmap(chip->mmio); + } + if (chip->res_mmio) { + release_resource(chip->res_mmio); + kfree_nocheck(chip->res_mmio); + } + if (chip->irq >= 0) + free_irq(chip->irq, chip); + snd_magic_kfree(chip); + return 0; +} + +static int snd_bt87x_dev_free(snd_device_t *device) +{ + bt87x_t *chip = snd_magic_cast(bt87x_t, device->device_data, return -ENXIO); + return snd_bt87x_free(chip); +} + +static int __devinit snd_bt87x_pcm(bt87x_t *chip, int device, char *name) +{ + int err; + snd_pcm_t *pcm; + + err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm); + if (err < 0) + return err; + pcm->private_data = chip; + strcpy(pcm->name, name); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_bt87x_pcm_ops); + return snd_pcm_lib_preallocate_sg_pages_for_all(chip->pci, pcm, + 128 * 1024, + (255 * 4092 + 1023) & ~1023); +} + +static int __devinit snd_bt87x_create(snd_card_t *card, + struct pci_dev *pci, + bt87x_t **rchip) +{ + bt87x_t *chip; + int err; + static snd_device_ops_t ops = { + .dev_free = snd_bt87x_dev_free + }; + + *rchip = NULL; + + err = pci_enable_device(pci); + if (err < 0) + return err; + + chip = snd_magic_kcalloc(bt87x_t, 0, GFP_KERNEL); + if (!chip) + return -ENOMEM; + chip->card = card; + chip->pci = pci; + chip->irq = -1; + spin_lock_init(&chip->reg_lock); + + chip->res_mmio = request_mem_region(pci_resource_start(pci, 0), + pci_resource_len(pci, 0), + "Bt87x audio"); + if (!chip->res_mmio) { + snd_bt87x_free(chip); + snd_printk(KERN_ERR "cannot allocate io memory\n"); + return -EBUSY; + } + chip->mmio = ioremap_nocache(pci_resource_start(pci, 0), + pci_resource_len(pci, 0)); + if (!chip->mmio) { + snd_bt87x_free(chip); + snd_printk(KERN_ERR "cannot remap io memory\n"); + return -ENOMEM; + } + + chip->reg_control = CTL_DA_ES2 | CTL_PKTP_16 | (15 << CTL_DA_SDR_SHIFT); + snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control); + snd_bt87x_writel(chip, REG_INT_MASK, 0); + snd_bt87x_writel(chip, REG_INT_STAT, MY_INTERRUPTS); + + if (request_irq(pci->irq, snd_bt87x_interrupt, SA_INTERRUPT | SA_SHIRQ, + "Bt87x audio", chip)) { + snd_bt87x_free(chip); + snd_printk(KERN_ERR "cannot grab irq\n"); + return -EBUSY; + } + chip->irq = pci->irq; + pci_set_master(pci); + synchronize_irq(chip->irq); + + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); + if (err < 0) { + snd_bt87x_free(chip); + return err; + } + snd_card_set_dev(card, &pci->dev); + *rchip = chip; + return 0; +} + +static int __devinit snd_bt87x_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + static int dev; + snd_card_t *card; + bt87x_t *chip; + int err; + + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) { + ++dev; + return -ENOENT; + } + + card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); + if (!card) + return -ENOMEM; + + err = snd_bt87x_create(card, pci, &chip); + if (err < 0) + goto _error; + + if (digital_rate[dev] > 0) + chip->dig_rate = digital_rate[dev]; + else + chip->dig_rate = (int)pci_id->driver_data; + + err = snd_bt87x_pcm(chip, DEVICE_DIGITAL, "Bt87x Digital"); + if (err < 0) + goto _error; + err = snd_bt87x_pcm(chip, DEVICE_ANALOG, "Bt87x Analog"); + if (err < 0) + goto _error; + + err = snd_ctl_add(card, snd_ctl_new1(&snd_bt87x_capture_volume, chip)); + if (err < 0) + goto _error; + err = snd_ctl_add(card, snd_ctl_new1(&snd_bt87x_capture_boost, chip)); + if (err < 0) + goto _error; + err = snd_ctl_add(card, snd_ctl_new1(&snd_bt87x_capture_source, chip)); + if (err < 0) + goto _error; + + strcpy(card->driver, "Bt87x"); + sprintf(card->shortname, "Brooktree Bt%x", pci->device); + sprintf(card->longname, "%s at %#lx, irq %i", + card->shortname, pci_resource_start(pci, 0), chip->irq); + strcpy(card->mixername, "Bt87x"); + + err = snd_card_register(card); + if (err < 0) + goto _error; + + pci_set_drvdata(pci, chip); + ++dev; + return 0; + +_error: + snd_card_free(card); + return err; +} + +static void __devexit snd_bt87x_remove(struct pci_dev *pci) +{ + bt87x_t *chip = snd_magic_cast(bt87x_t, pci_get_drvdata(pci), return); + if (chip) + snd_card_free(chip->card); + pci_set_drvdata(pci, NULL); +} + +#define BT_DEVICE(chip, subvend, subdev, rate) \ + { .vendor = PCI_VENDOR_ID_BROOKTREE, \ + .device = PCI_DEVICE_ID_BROOKTREE_##chip, \ + .subvendor = subvend, .subdevice = subdev, \ + .driver_data = rate } + +/* driver_data is the default digital_rate value for that device */ +static struct pci_device_id snd_bt87x_ids[] = { + BT_DEVICE(878, 0x0070, 0xff01, 44100), /* Osprey 200 */ + + /* default entries for 32kHz and generic Bt87x cards */ + BT_DEVICE(878, PCI_ANY_ID, PCI_ANY_ID, 32000), + BT_DEVICE(879, PCI_ANY_ID, PCI_ANY_ID, 32000), + { } +}; +MODULE_DEVICE_TABLE(pci, snd_bt87x_ids); + +static struct pci_driver driver = { + .name = "Bt87x", + .id_table = snd_bt87x_ids, + .probe = snd_bt87x_probe, + .remove = __devexit_p(snd_bt87x_remove), +}; + +static int __init alsa_card_bt87x_init(void) +{ + int err; + + err = pci_module_init(&driver); + if (err < 0) { +#ifdef MODULE + printk(KERN_ERR "Bt87x soundcard not found or device busy\n"); +#endif + return err; + } + return 0; +} + +static void __exit alsa_card_bt87x_exit(void) +{ + pci_unregister_driver(&driver); +} + +module_init(alsa_card_bt87x_init) +module_exit(alsa_card_bt87x_exit) + +#ifndef MODULE + +/* format is: snd-bt87x=enable,index,id */ + +static int __init alsa_card_bt87x_setup(char *str) +{ + static unsigned __initdata nr_dev = 0; + + if (nr_dev >= SNDRV_CARDS) + return 0; + (void)(get_option(&str,&enable[nr_dev]) == 2 && + get_option(&str,&index[nr_dev]) == 2 && + get_id(&str,&id[nr_dev]) == 2); + nr_dev++; + return 1; +} + +__setup("snd-bt87x=", alsa_card_bt87x_setup); + +#endif /* ifndef MODULE */ -- 2.53.0