diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/bt87x.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/bt87x.c | 987 |
1 files changed, 0 insertions, 987 deletions
diff --git a/ANDROID_3.4.5/sound/pci/bt87x.c b/ANDROID_3.4.5/sound/pci/bt87x.c deleted file mode 100644 index 62d6163f..00000000 --- a/ANDROID_3.4.5/sound/pci/bt87x.c +++ /dev/null @@ -1,987 +0,0 @@ -/* - * bt87x.c - Brooktree Bt878/Bt879 driver for ALSA - * - * Copyright (c) Clemens Ladisch <clemens@ladisch.de> - * - * based on btaudio.c by Gerd Knorr <kraxel@bytesex.org> - * - * - * 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 <linux/init.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/bitops.h> -#include <asm/io.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/control.h> -#include <sound/initval.h> - -MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); -MODULE_DESCRIPTION("Brooktree Bt87x audio driver"); -MODULE_LICENSE("GPL"); -MODULE_SUPPORTED_DEVICE("{{Brooktree,Bt878}," - "{Brooktree,Bt879}}"); - -static int index[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -2}; /* Exclude the first card */ -static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ -static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ -static int digital_rate[SNDRV_CARDS]; /* digital input rate */ -static bool load_all; /* allow to load the non-whitelisted cards */ - -module_param_array(index, int, NULL, 0444); -MODULE_PARM_DESC(index, "Index value for Bt87x soundcard"); -module_param_array(id, charp, NULL, 0444); -MODULE_PARM_DESC(id, "ID string for Bt87x soundcard"); -module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable Bt87x soundcard"); -module_param_array(digital_rate, int, NULL, 0444); -MODULE_PARM_DESC(digital_rate, "Digital input rate for Bt87x soundcard"); -module_param(load_all, bool, 0444); -MODULE_PARM_DESC(load_all, "Allow to load the non-whitelisted cards"); - - -/* 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 ANALOG_CLOCK 1792000 -#ifdef CONFIG_SND_BT87X_OVERCLOCK -#define CLOCK_DIV_MIN 1 -#else -#define CLOCK_DIV_MIN 4 -#endif -#define CLOCK_DIV_MAX 15 - -#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) - -/* Cards with configuration information */ -enum snd_bt87x_boardid { - SND_BT87X_BOARD_UNKNOWN, - SND_BT87X_BOARD_GENERIC, /* both an & dig interfaces, 32kHz */ - SND_BT87X_BOARD_ANALOG, /* board with no external A/D */ - SND_BT87X_BOARD_OSPREY2x0, - SND_BT87X_BOARD_OSPREY440, - SND_BT87X_BOARD_AVPHONE98, -}; - -/* Card configuration */ -struct snd_bt87x_board { - int dig_rate; /* Digital input sampling rate */ - u32 digital_fmt; /* Register settings for digital input */ - unsigned no_analog:1; /* No analog input */ - unsigned no_digital:1; /* No digital input */ -}; - -static __devinitdata struct snd_bt87x_board snd_bt87x_boards[] = { - [SND_BT87X_BOARD_UNKNOWN] = { - .dig_rate = 32000, /* just a guess */ - }, - [SND_BT87X_BOARD_GENERIC] = { - .dig_rate = 32000, - }, - [SND_BT87X_BOARD_ANALOG] = { - .no_digital = 1, - }, - [SND_BT87X_BOARD_OSPREY2x0] = { - .dig_rate = 44100, - .digital_fmt = CTL_DA_LRI | (1 << CTL_DA_LRD_SHIFT), - }, - [SND_BT87X_BOARD_OSPREY440] = { - .dig_rate = 32000, - .digital_fmt = CTL_DA_LRI | (1 << CTL_DA_LRD_SHIFT), - .no_analog = 1, - }, - [SND_BT87X_BOARD_AVPHONE98] = { - .dig_rate = 48000, - }, -}; - -struct snd_bt87x { - struct snd_card *card; - struct pci_dev *pci; - struct snd_bt87x_board board; - - void __iomem *mmio; - int irq; - - spinlock_t reg_lock; - unsigned long opened; - struct snd_pcm_substream *substream; - - struct snd_dma_buffer dma_risc; - unsigned int line_bytes; - unsigned int lines; - - u32 reg_control; - u32 interrupt_mask; - - int current_line; - - int pci_parity_errors; -}; - -enum { DEVICE_DIGITAL, DEVICE_ANALOG }; - -static inline u32 snd_bt87x_readl(struct snd_bt87x *chip, u32 reg) -{ - return readl(chip->mmio + reg); -} - -static inline void snd_bt87x_writel(struct snd_bt87x *chip, u32 reg, u32 value) -{ - writel(value, chip->mmio + reg); -} - -static int snd_bt87x_create_risc(struct snd_bt87x *chip, struct snd_pcm_substream *substream, - unsigned int periods, unsigned int period_bytes) -{ - unsigned int i, offset; - u32 *risc; - - if (chip->dma_risc.area == NULL) { - if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), - PAGE_ALIGN(MAX_RISC_SIZE), &chip->dma_risc) < 0) - return -ENOMEM; - } - risc = (u32 *)chip->dma_risc.area; - 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; - unsigned int addr; - - 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); - addr = snd_pcm_sgbuf_get_addr(substream, offset); - *risc++ = cpu_to_le32(addr); - 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->dma_risc.addr); - chip->line_bytes = period_bytes; - chip->lines = periods; - return 0; -} - -static void snd_bt87x_free_risc(struct snd_bt87x *chip) -{ - if (chip->dma_risc.area) { - snd_dma_free_pages(&chip->dma_risc); - chip->dma_risc.area = NULL; - } -} - -static void snd_bt87x_pci_error(struct snd_bt87x *chip, unsigned int status) -{ - u16 pci_status; - - pci_read_config_word(chip->pci, PCI_STATUS, &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; - pci_write_config_word(chip->pci, PCI_STATUS, pci_status); - if (pci_status != PCI_STATUS_DETECTED_PARITY) - snd_printk(KERN_ERR "Aieee - PCI error! status %#08x, PCI status %#04x\n", - status & ERROR_INTERRUPTS, pci_status); - else { - snd_printk(KERN_ERR "Aieee - PCI parity error detected!\n"); - /* error 'handling' similar to aic7xxx_pci.c: */ - chip->pci_parity_errors++; - if (chip->pci_parity_errors > 20) { - snd_printk(KERN_ERR "Too many PCI parity errors observed.\n"); - snd_printk(KERN_ERR "Some device on this bus is generating bad parity.\n"); - snd_printk(KERN_ERR "This is an error *observed by*, not *generated by*, this card.\n"); - snd_printk(KERN_ERR "PCI parity error checking has been disabled.\n"); - chip->interrupt_mask &= ~(INT_PPERR | INT_RIPERR); - snd_bt87x_writel(chip, REG_INT_MASK, chip->interrupt_mask); - } - } -} - -static irqreturn_t snd_bt87x_interrupt(int irq, void *dev_id) -{ - struct snd_bt87x *chip = dev_id; - unsigned int status, irq_status; - - status = snd_bt87x_readl(chip, REG_INT_STAT); - irq_status = status & chip->interrupt_mask; - if (!irq_status) - return IRQ_NONE; - snd_bt87x_writel(chip, REG_INT_STAT, irq_status); - - if (irq_status & ERROR_INTERRUPTS) { - if (irq_status & (INT_FBUS | INT_FTRGT)) - snd_printk(KERN_WARNING "FIFO overrun, status %#08x\n", status); - if (irq_status & INT_OCERR) - snd_printk(KERN_ERR "internal RISC error, status %#08x\n", status); - if (irq_status & (INT_PPERR | INT_RIPERR | INT_PABORT)) - snd_bt87x_pci_error(chip, irq_status); - } - if ((irq_status & INT_RISCI) && (chip->reg_control & CTL_ACAP_EN)) { - 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 struct snd_pcm_hardware snd_bt87x_digital_hw = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_BATCH, - .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 struct snd_pcm_hardware snd_bt87x_analog_hw = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_BATCH, - .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8, - .rates = SNDRV_PCM_RATE_KNOT, - .rate_min = ANALOG_CLOCK / CLOCK_DIV_MAX, - .rate_max = ANALOG_CLOCK / CLOCK_DIV_MIN, - .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(struct snd_bt87x *chip, struct snd_pcm_runtime *runtime) -{ - chip->reg_control |= CTL_DA_IOM_DA | CTL_A_PWRDN; - runtime->hw = snd_bt87x_digital_hw; - runtime->hw.rates = snd_pcm_rate_to_rate_bit(chip->board.dig_rate); - runtime->hw.rate_min = chip->board.dig_rate; - runtime->hw.rate_max = chip->board.dig_rate; - return 0; -} - -static int snd_bt87x_set_analog_hw(struct snd_bt87x *chip, struct snd_pcm_runtime *runtime) -{ - static struct snd_ratnum analog_clock = { - .num = ANALOG_CLOCK, - .den_min = CLOCK_DIV_MIN, - .den_max = CLOCK_DIV_MAX, - .den_step = 1 - }; - static struct snd_pcm_hw_constraint_ratnums constraint_rates = { - .nrats = 1, - .rats = &analog_clock - }; - - chip->reg_control &= ~(CTL_DA_IOM_DA | CTL_A_PWRDN); - runtime->hw = snd_bt87x_analog_hw; - return snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, - &constraint_rates); -} - -static int snd_bt87x_pcm_open(struct snd_pcm_substream *substream) -{ - struct snd_bt87x *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) -{ - struct snd_bt87x *chip = snd_pcm_substream_chip(substream); - - spin_lock_irq(&chip->reg_lock); - chip->reg_control |= CTL_A_PWRDN; - snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control); - spin_unlock_irq(&chip->reg_lock); - - chip->substream = NULL; - clear_bit(0, &chip->opened); - smp_mb__after_clear_bit(); - return 0; -} - -static int snd_bt87x_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_bt87x *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(struct snd_pcm_substream *substream) -{ - struct snd_bt87x *chip = snd_pcm_substream_chip(substream); - - snd_bt87x_free_risc(chip); - snd_pcm_lib_free_pages(substream); - return 0; -} - -static int snd_bt87x_prepare(struct snd_pcm_substream *substream) -{ - struct snd_bt87x *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - int decimation; - - spin_lock_irq(&chip->reg_lock); - chip->reg_control &= ~(CTL_DA_SDR_MASK | CTL_DA_SBR); - decimation = (ANALOG_CLOCK + runtime->rate / 4) / 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_irq(&chip->reg_lock); - return 0; -} - -static int snd_bt87x_start(struct snd_bt87x *chip) -{ - spin_lock(&chip->reg_lock); - 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->dma_risc.addr); - snd_bt87x_writel(chip, REG_PACKET_LEN, - chip->line_bytes | (chip->lines << 16)); - snd_bt87x_writel(chip, REG_INT_MASK, chip->interrupt_mask); - snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control); - spin_unlock(&chip->reg_lock); - return 0; -} - -static int snd_bt87x_stop(struct snd_bt87x *chip) -{ - spin_lock(&chip->reg_lock); - 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(&chip->reg_lock); - return 0; -} - -static int snd_bt87x_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct snd_bt87x *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(struct snd_pcm_substream *substream) -{ - struct snd_bt87x *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - - return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes); -} - -static struct snd_pcm_ops 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(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *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(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - struct snd_bt87x *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(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol); - u32 old_control; - int changed; - - spin_lock_irq(&chip->reg_lock); - 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_irq(&chip->reg_lock); - return changed; -} - -static struct snd_kcontrol_new 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, -}; - -#define snd_bt87x_capture_boost_info snd_ctl_boolean_mono_info - -static int snd_bt87x_capture_boost_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - struct snd_bt87x *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(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol); - u32 old_control; - int changed; - - spin_lock_irq(&chip->reg_lock); - 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_irq(&chip->reg_lock); - return changed; -} - -static struct snd_kcontrol_new 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(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *info) -{ - static const char *const texts[3] = {"TV Tuner", "FM", "Mic/Line"}; - - return snd_ctl_enum_info(info, 1, 3, texts); -} - -static int snd_bt87x_capture_source_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - struct snd_bt87x *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(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol); - u32 old_control; - int changed; - - spin_lock_irq(&chip->reg_lock); - 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_irq(&chip->reg_lock); - return changed; -} - -static struct snd_kcontrol_new 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(struct snd_bt87x *chip) -{ - if (chip->mmio) - snd_bt87x_stop(chip); - if (chip->irq >= 0) - free_irq(chip->irq, chip); - if (chip->mmio) - iounmap(chip->mmio); - pci_release_regions(chip->pci); - pci_disable_device(chip->pci); - kfree(chip); - return 0; -} - -static int snd_bt87x_dev_free(struct snd_device *device) -{ - struct snd_bt87x *chip = device->device_data; - return snd_bt87x_free(chip); -} - -static int __devinit snd_bt87x_pcm(struct snd_bt87x *chip, int device, char *name) -{ - int err; - struct snd_pcm *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_pages_for_all(pcm, - SNDRV_DMA_TYPE_DEV_SG, - snd_dma_pci_data(chip->pci), - 128 * 1024, - ALIGN(255 * 4092, 1024)); -} - -static int __devinit snd_bt87x_create(struct snd_card *card, - struct pci_dev *pci, - struct snd_bt87x **rchip) -{ - struct snd_bt87x *chip; - int err; - static struct snd_device_ops ops = { - .dev_free = snd_bt87x_dev_free - }; - - *rchip = NULL; - - err = pci_enable_device(pci); - if (err < 0) - return err; - - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (!chip) { - pci_disable_device(pci); - return -ENOMEM; - } - chip->card = card; - chip->pci = pci; - chip->irq = -1; - spin_lock_init(&chip->reg_lock); - - if ((err = pci_request_regions(pci, "Bt87x audio")) < 0) { - kfree(chip); - pci_disable_device(pci); - return err; - } - chip->mmio = pci_ioremap_bar(pci, 0); - if (!chip->mmio) { - snd_printk(KERN_ERR "cannot remap io memory\n"); - err = -ENOMEM; - goto fail; - } - - chip->reg_control = CTL_A_PWRDN | CTL_DA_ES2 | - CTL_PKTP_16 | (15 << CTL_DA_SDR_SHIFT); - chip->interrupt_mask = MY_INTERRUPTS; - 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); - - err = request_irq(pci->irq, snd_bt87x_interrupt, IRQF_SHARED, - KBUILD_MODNAME, chip); - if (err < 0) { - snd_printk(KERN_ERR "cannot grab irq %d\n", pci->irq); - goto fail; - } - 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) - goto fail; - - snd_card_set_dev(card, &pci->dev); - *rchip = chip; - return 0; - -fail: - snd_bt87x_free(chip); - return err; -} - -#define BT_DEVICE(chip, subvend, subdev, id) \ - { .vendor = PCI_VENDOR_ID_BROOKTREE, \ - .device = chip, \ - .subvendor = subvend, .subdevice = subdev, \ - .driver_data = SND_BT87X_BOARD_ ## id } -/* driver_data is the card id for that device */ - -static DEFINE_PCI_DEVICE_TABLE(snd_bt87x_ids) = { - /* Hauppauge WinTV series */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0x13eb, GENERIC), - /* Hauppauge WinTV series */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, 0x0070, 0x13eb, GENERIC), - /* Viewcast Osprey 200 */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0xff01, OSPREY2x0), - /* Viewcast Osprey 440 (rate is configurable via gpio) */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0xff07, OSPREY440), - /* ATI TV-Wonder */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x1002, 0x0001, GENERIC), - /* Leadtek Winfast tv 2000xp delux */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x107d, 0x6606, GENERIC), - /* Pinnacle PCTV */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x11bd, 0x0012, GENERIC), - /* Voodoo TV 200 */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x121a, 0x3000, GENERIC), - /* Askey Computer Corp. MagicTView'99 */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x144f, 0x3000, GENERIC), - /* AVerMedia Studio No. 103, 203, ...? */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x1461, 0x0003, AVPHONE98), - /* Prolink PixelView PV-M4900 */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x1554, 0x4011, GENERIC), - /* Pinnacle Studio PCTV rave */ - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0xbd11, 0x1200, GENERIC), - { } -}; -MODULE_DEVICE_TABLE(pci, snd_bt87x_ids); - -/* cards known not to have audio - * (DVB cards use the audio function to transfer MPEG data) */ -static struct { - unsigned short subvendor, subdevice; -} blacklist[] __devinitdata = { - {0x0071, 0x0101}, /* Nebula Electronics DigiTV */ - {0x11bd, 0x001c}, /* Pinnacle PCTV Sat */ - {0x11bd, 0x0026}, /* Pinnacle PCTV SAT CI */ - {0x1461, 0x0761}, /* AVermedia AverTV DVB-T */ - {0x1461, 0x0771}, /* AVermedia DVB-T 771 */ - {0x1822, 0x0001}, /* Twinhan VisionPlus DVB-T */ - {0x18ac, 0xd500}, /* DVICO FusionHDTV 5 Lite */ - {0x18ac, 0xdb10}, /* DVICO FusionHDTV DVB-T Lite */ - {0x18ac, 0xdb11}, /* Ultraview DVB-T Lite */ - {0x270f, 0xfc00}, /* Chaintech Digitop DST-1000 DVB-S */ - {0x7063, 0x2000}, /* pcHDTV HD-2000 TV */ -}; - -static struct pci_driver driver; - -/* return the id of the card, or a negative value if it's blacklisted */ -static int __devinit snd_bt87x_detect_card(struct pci_dev *pci) -{ - int i; - const struct pci_device_id *supported; - - supported = pci_match_id(snd_bt87x_ids, pci); - if (supported && supported->driver_data > 0) - return supported->driver_data; - - for (i = 0; i < ARRAY_SIZE(blacklist); ++i) - if (blacklist[i].subvendor == pci->subsystem_vendor && - blacklist[i].subdevice == pci->subsystem_device) { - snd_printdd(KERN_INFO "card %#04x-%#04x:%#04x has no audio\n", - pci->device, pci->subsystem_vendor, pci->subsystem_device); - return -EBUSY; - } - - snd_printk(KERN_INFO "unknown card %#04x-%#04x:%#04x\n", - pci->device, pci->subsystem_vendor, pci->subsystem_device); - snd_printk(KERN_DEBUG "please mail id, board name, and, " - "if it works, the correct digital_rate option to " - "<alsa-devel@alsa-project.org>\n"); - return SND_BT87X_BOARD_UNKNOWN; -} - -static int __devinit snd_bt87x_probe(struct pci_dev *pci, - const struct pci_device_id *pci_id) -{ - static int dev; - struct snd_card *card; - struct snd_bt87x *chip; - int err; - enum snd_bt87x_boardid boardid; - - if (!pci_id->driver_data) { - err = snd_bt87x_detect_card(pci); - if (err < 0) - return -ENODEV; - boardid = err; - } else - boardid = pci_id->driver_data; - - if (dev >= SNDRV_CARDS) - return -ENODEV; - if (!enable[dev]) { - ++dev; - return -ENOENT; - } - - err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); - if (err < 0) - return err; - - err = snd_bt87x_create(card, pci, &chip); - if (err < 0) - goto _error; - - memcpy(&chip->board, &snd_bt87x_boards[boardid], sizeof(chip->board)); - - if (!chip->board.no_digital) { - if (digital_rate[dev] > 0) - chip->board.dig_rate = digital_rate[dev]; - - chip->reg_control |= chip->board.digital_fmt; - - err = snd_bt87x_pcm(chip, DEVICE_DIGITAL, "Bt87x Digital"); - if (err < 0) - goto _error; - } - if (!chip->board.no_analog) { - 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; - } - snd_printk(KERN_INFO "bt87x%d: Using board %d, %sanalog, %sdigital " - "(rate %d Hz)\n", dev, boardid, - chip->board.no_analog ? "no " : "", - chip->board.no_digital ? "no " : "", chip->board.dig_rate); - - strcpy(card->driver, "Bt87x"); - sprintf(card->shortname, "Brooktree Bt%x", pci->device); - sprintf(card->longname, "%s at %#llx, irq %i", - card->shortname, (unsigned long long)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, card); - ++dev; - return 0; - -_error: - snd_card_free(card); - return err; -} - -static void __devexit snd_bt87x_remove(struct pci_dev *pci) -{ - snd_card_free(pci_get_drvdata(pci)); - pci_set_drvdata(pci, NULL); -} - -/* default entries for all Bt87x cards - it's not exported */ -/* driver_data is set to 0 to call detection */ -static DEFINE_PCI_DEVICE_TABLE(snd_bt87x_default_ids) = { - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, PCI_ANY_ID, PCI_ANY_ID, UNKNOWN), - BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, PCI_ANY_ID, PCI_ANY_ID, UNKNOWN), - { } -}; - -static struct pci_driver driver = { - .name = KBUILD_MODNAME, - .id_table = snd_bt87x_ids, - .probe = snd_bt87x_probe, - .remove = __devexit_p(snd_bt87x_remove), -}; - -static int __init alsa_card_bt87x_init(void) -{ - if (load_all) - driver.id_table = snd_bt87x_default_ids; - return pci_register_driver(&driver); -} - -static void __exit alsa_card_bt87x_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_bt87x_init) -module_exit(alsa_card_bt87x_exit) |