From 7ca30c524e7c6f21d05577f2ffe6fc1e632f372a Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 11 Jan 2008 13:19:09 -0300 Subject: [PATCH] V4L/DVB (12831): tm6000: Convert cx88-alsa into tm6000-alsa - Remove cx88 specific setups; - Add tm6000 specific start/stop commands; - Do CodingStyle cleanups. Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/tm6000/tm6000-alsa.c | 749 +++++------------------------------ 1 file changed, 101 insertions(+), 648 deletions(-) diff --git a/drivers/staging/tm6000/tm6000-alsa.c b/drivers/staging/tm6000/tm6000-alsa.c index 074dcf0..0538887 100644 --- a/drivers/staging/tm6000/tm6000-alsa.c +++ b/drivers/staging/tm6000/tm6000-alsa.c @@ -1,36 +1,20 @@ /* * - * Support for audio capture - * PCI function #1 of the cx2388x. + * Support for audio capture for tm5600/6000 + * (c) 2007-2008 Mauro Carvalho Chehab * - * (c) 2007 Trent Piepho - * (c) 2005,2006 Ricardo Cerqueira - * (c) 2005 Mauro Carvalho Chehab - * Based on a dummy cx88 module by Gerd Knorr - * Based on dummy.c by Jaroslav Kysela + * Based on cx88-alsa.c * * This program 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 program 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. */ #include #include #include #include -#include #include -#include #include #include @@ -39,49 +23,39 @@ #include #include #include -#include -#include "cx88.h" -#include "cx88-reg.h" -#define dprintk(level,fmt, arg...) if (debug >= level) \ - printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg) +#include "tm6000.h" +#include "tm6000-regs.h" + +#undef dprintk -#define dprintk_core(level,fmt, arg...) if (debug >= level) \ - printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg) +#define dprintk(level, fmt, arg...) do { \ + if (debug >= level) \ + printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg); \ + } while (0) /**************************************************************************** Data type declarations - Can be moded to a header file later ****************************************************************************/ -struct cx88_audio_dev { - struct cx88_core *core; - struct cx88_dmaqueue q; - - /* pci i/o */ - struct pci_dev *pci; - - /* audio controls */ - int irq; - +struct snd_tm6000_card { struct snd_card *card; spinlock_t reg_lock; + atomic_t count; - unsigned int dma_size; unsigned int period_size; unsigned int num_periods; - struct videobuf_dmabuf *dma_risc; + struct tm6000_core *core; + struct tm6000_buffer *buf; - struct cx88_buffer *buf; + int bufsize; - struct snd_pcm_substream *substream; + struct snd_pcm_substream *substream; }; -typedef struct cx88_audio_dev snd_cx88_card_t; - - /**************************************************************************** @@ -89,30 +63,27 @@ typedef struct cx88_audio_dev snd_cx88_card_t; ****************************************************************************/ 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] = {1, [1 ... (SNDRV_CARDS - 1)] = 1}; module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable cx88x soundcard. default enabled."); +MODULE_PARM_DESC(enable, "Enable tm6000x soundcard. default enabled."); module_param_array(index, int, NULL, 0444); -MODULE_PARM_DESC(index, "Index value for cx88x capture interface(s)."); +MODULE_PARM_DESC(index, "Index value for tm6000x capture interface(s)."); /**************************************************************************** Module macros ****************************************************************************/ -MODULE_DESCRIPTION("ALSA driver module for cx2388x based TV cards"); -MODULE_AUTHOR("Ricardo Cerqueira"); +MODULE_DESCRIPTION("ALSA driver module for tm5600/tm6000 based TV cards"); MODULE_AUTHOR("Mauro Carvalho Chehab "); MODULE_LICENSE("GPL"); -MODULE_SUPPORTED_DEVICE("{{Conexant,23881}," - "{{Conexant,23882}," - "{{Conexant,23883}"); +MODULE_SUPPORTED_DEVICE("{{Trident,tm5600}," + "{{Trident,tm6000}"); static unsigned int debug; -module_param(debug,int,0644); -MODULE_PARM_DESC(debug,"enable debug messages"); +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable debug messages"); /**************************************************************************** Module specific funtions @@ -122,45 +93,17 @@ MODULE_PARM_DESC(debug,"enable debug messages"); * BOARD Specific: Sets audio DMA */ -static int _cx88_start_audio_dma(snd_cx88_card_t *chip) +static int _tm6000_start_audio_dma(struct snd_tm6000_card *chip) { - struct cx88_buffer *buf = chip->buf; - struct cx88_core *core=chip->core; - struct sram_channel *audio_ch = &cx88_sram_channels[SRAM_CH25]; - - /* Make sure RISC/FIFO are off before changing FIFO/RISC settings */ - cx_clear(MO_AUD_DMACNTRL, 0x11); - - /* setup fifo + format - out channel */ - cx88_sram_channel_setup(chip->core, audio_ch, buf->bpl, buf->risc.dma); - - /* sets bpl size */ - cx_write(MO_AUDD_LNGTH, buf->bpl); + struct tm6000_core *core = chip->core; + int val; - /* reset counter */ - cx_write(MO_AUDD_GPCNTRL, GP_COUNT_CONTROL_RESET); - atomic_set(&chip->count, 0); + /* Enables audio */ + val = tm6000_get_reg(core, REQ_07_SET_GET_AVREG, 0xcc, 0x0); + val |= 0x20; + tm6000_set_reg(core, REQ_07_SET_GET_AVREG, 0xcc, val); - dprintk(1, "Start audio DMA, %d B/line, %d lines/FIFO, %d periods, %d " - "byte buffer\n", buf->bpl, cx_read(audio_ch->cmds_start + 8)>>1, - chip->num_periods, buf->bpl * chip->num_periods); - - /* Enables corresponding bits at AUD_INT_STAT */ - cx_write(MO_AUD_INTMSK, AUD_INT_OPC_ERR | AUD_INT_DN_SYNC | - AUD_INT_DN_RISCI2 | AUD_INT_DN_RISCI1); - - /* Clean any pending interrupt bits already set */ - cx_write(MO_AUD_INTSTAT, ~0); - - /* enable audio irqs */ - cx_set(MO_PCI_INTMSK, chip->core->pci_irqmask | PCI_INT_AUDINT); - - /* start dma */ - cx_set(MO_DEV_CNTRL2, (1<<5)); /* Enables Risc Processor */ - cx_set(MO_AUD_DMACNTRL, 0x11); /* audio downstream FIFO and RISC enable */ - - if (debug) - cx88_sram_channel_dump(chip->core, audio_ch); + tm6000_set_reg(core, REQ_08_SET_GET_AVREG_BIT, 0x01, 0x80); return 0; } @@ -168,131 +111,33 @@ static int _cx88_start_audio_dma(snd_cx88_card_t *chip) /* * BOARD Specific: Resets audio DMA */ -static int _cx88_stop_audio_dma(snd_cx88_card_t *chip) +static int _tm6000_stop_audio_dma(struct snd_tm6000_card *chip) { - struct cx88_core *core=chip->core; + struct tm6000_core *core = chip->core; + int val; dprintk(1, "Stopping audio DMA\n"); - /* stop dma */ - cx_clear(MO_AUD_DMACNTRL, 0x11); - - /* disable irqs */ - cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT); - cx_clear(MO_AUD_INTMSK, AUD_INT_OPC_ERR | AUD_INT_DN_SYNC | - AUD_INT_DN_RISCI2 | AUD_INT_DN_RISCI1); + /* Enables audio */ + val = tm6000_get_reg(core, REQ_07_SET_GET_AVREG, 0xcc, 0x0); + val &= ~0x20; + tm6000_set_reg(core, REQ_07_SET_GET_AVREG, 0xcc, val); - if (debug) - cx88_sram_channel_dump(chip->core, &cx88_sram_channels[SRAM_CH25]); + tm6000_set_reg(core, REQ_08_SET_GET_AVREG_BIT, 0x01, 0); return 0; } -#define MAX_IRQ_LOOP 50 - -/* - * BOARD Specific: IRQ dma bits - */ -static char *cx88_aud_irqs[32] = { - "dn_risci1", "up_risci1", "rds_dn_risc1", /* 0-2 */ - NULL, /* reserved */ - "dn_risci2", "up_risci2", "rds_dn_risc2", /* 4-6 */ - NULL, /* reserved */ - "dnf_of", "upf_uf", "rds_dnf_uf", /* 8-10 */ - NULL, /* reserved */ - "dn_sync", "up_sync", "rds_dn_sync", /* 12-14 */ - NULL, /* reserved */ - "opc_err", "par_err", "rip_err", /* 16-18 */ - "pci_abort", "ber_irq", "mchg_irq" /* 19-21 */ -}; - -/* - * BOARD Specific: Threats IRQ audio specific calls - */ -static void cx8801_aud_irq(snd_cx88_card_t *chip) +static int dsp_buffer_free(struct snd_tm6000_card *chip) { - struct cx88_core *core = chip->core; - u32 status, mask; - - status = cx_read(MO_AUD_INTSTAT); - mask = cx_read(MO_AUD_INTMSK); - if (0 == (status & mask)) - return; - cx_write(MO_AUD_INTSTAT, status); - if (debug > 1 || (status & mask & ~0xff)) - cx88_print_irqbits(core->name, "irq aud", - cx88_aud_irqs, ARRAY_SIZE(cx88_aud_irqs), - status, mask); - /* risc op code error */ - if (status & AUD_INT_OPC_ERR) { - printk(KERN_WARNING "%s/1: Audio risc op code error\n",core->name); - cx_clear(MO_AUD_DMACNTRL, 0x11); - cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH25]); - } - if (status & AUD_INT_DN_SYNC) { - dprintk(1, "Downstream sync error\n"); - cx_write(MO_AUDD_GPCNTRL, GP_COUNT_CONTROL_RESET); - return; - } - /* risc1 downstream */ - if (status & AUD_INT_DN_RISCI1) { - atomic_set(&chip->count, cx_read(MO_AUDD_GPCNT)); - snd_pcm_period_elapsed(chip->substream); - } - /* FIXME: Any other status should deserve a special handling? */ -} - -/* - * BOARD Specific: Handles IRQ calls - */ -static irqreturn_t cx8801_irq(int irq, void *dev_id) -{ - snd_cx88_card_t *chip = dev_id; - struct cx88_core *core = chip->core; - u32 status; - int loop, handled = 0; - - for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { - status = cx_read(MO_PCI_INTSTAT) & - (core->pci_irqmask | PCI_INT_AUDINT); - if (0 == status) - goto out; - dprintk(3, "cx8801_irq loop %d/%d, status %x\n", - loop, MAX_IRQ_LOOP, status); - handled = 1; - cx_write(MO_PCI_INTSTAT, status); - - if (status & core->pci_irqmask) - cx88_core_irq(core, status); - if (status & PCI_INT_AUDINT) - cx8801_aud_irq(chip); - } + BUG_ON(!chip->bufsize); - if (MAX_IRQ_LOOP == loop) { - printk(KERN_ERR - "%s/1: IRQ loop detected, disabling interrupts\n", - core->name); - cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT); - } - - out: - return IRQ_RETVAL(handled); -} - - -static int dsp_buffer_free(snd_cx88_card_t *chip) -{ - BUG_ON(!chip->dma_size); + dprintk(2, "Freeing buffer\n"); - dprintk(2,"Freeing buffer\n"); - videobuf_pci_dma_unmap(chip->pci, chip->dma_risc); - videobuf_dma_free(chip->dma_risc); - btcx_riscmem_free(chip->pci,&chip->buf->risc); - kfree(chip->buf); + /* FIXME: Frees buffer */ - chip->dma_risc = NULL; - chip->dma_size = 0; + chip->bufsize = 0; - return 0; + return 0; } /**************************************************************************** @@ -303,20 +148,19 @@ static int dsp_buffer_free(snd_cx88_card_t *chip) * Digital hardware definition */ #define DEFAULT_FIFO_SIZE 4096 -static struct snd_pcm_hardware snd_cx88_digital_hw = { + +static struct snd_pcm_hardware snd_tm6000_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 = SNDRV_PCM_RATE_48000, - .rate_min = 48000, + .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, + .rate_min = 44100, .rate_max = 48000, .channels_min = 2, .channels_max = 2, - /* Analog audio output will be full of clicks and pops if there - are not exactly four lines in the SRAM FIFO buffer. */ .period_bytes_min = DEFAULT_FIFO_SIZE/4, .period_bytes_max = DEFAULT_FIFO_SIZE/4, .periods_min = 1, @@ -327,37 +171,31 @@ static struct snd_pcm_hardware snd_cx88_digital_hw = { /* * audio pcm capture open callback */ -static int snd_cx88_pcm_open(struct snd_pcm_substream *substream) +static int snd_tm6000_pcm_open(struct snd_pcm_substream *substream) { - snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); + struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; int err; - err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIODS); + err = snd_pcm_hw_constraint_pow2(runtime, 0, + SNDRV_PCM_HW_PARAM_PERIODS); if (err < 0) goto _error; chip->substream = substream; - runtime->hw = snd_cx88_digital_hw; - - if (cx88_sram_channels[SRAM_CH25].fifo_size != DEFAULT_FIFO_SIZE) { - unsigned int bpl = cx88_sram_channels[SRAM_CH25].fifo_size / 4; - bpl &= ~7; /* must be multiple of 8 */ - runtime->hw.period_bytes_min = bpl; - runtime->hw.period_bytes_max = bpl; - } + runtime->hw = snd_tm6000_digital_hw; return 0; _error: - dprintk(1,"Error opening PCM!\n"); + dprintk(1, "Error opening PCM!\n"); return err; } /* * audio close callback */ -static int snd_cx88_close(struct snd_pcm_substream *substream) +static int snd_tm6000_close(struct snd_pcm_substream *substream) { return 0; } @@ -365,14 +203,10 @@ static int snd_cx88_close(struct snd_pcm_substream *substream) /* * hw_params callback */ -static int snd_cx88_hw_params(struct snd_pcm_substream * substream, - struct snd_pcm_hw_params * hw_params) +static int snd_tm6000_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) { - snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); - struct videobuf_dmabuf *dma; - - struct cx88_buffer *buf; - int ret; + struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream); if (substream->runtime->dma_area) { dsp_buffer_free(chip); @@ -381,64 +215,25 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream, chip->period_size = params_period_bytes(hw_params); chip->num_periods = params_periods(hw_params); - chip->dma_size = chip->period_size * params_periods(hw_params); - - BUG_ON(!chip->dma_size); - BUG_ON(chip->num_periods & (chip->num_periods-1)); - - buf = videobuf_pci_alloc(sizeof(*buf)); - if (NULL == buf) - return -ENOMEM; - - buf->vb.memory = V4L2_MEMORY_MMAP; - buf->vb.field = V4L2_FIELD_NONE; - buf->vb.width = chip->period_size; - buf->bpl = chip->period_size; - buf->vb.height = chip->num_periods; - buf->vb.size = chip->dma_size; - - dma=videobuf_to_dma(&buf->vb); - videobuf_dma_init(dma); - ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE, - (PAGE_ALIGN(buf->vb.size) >> PAGE_SHIFT)); - if (ret < 0) - goto error; - - ret = videobuf_pci_dma_map(chip->pci,dma); - if (ret < 0) - goto error; - - ret = cx88_risc_databuffer(chip->pci, &buf->risc, dma->sglist, - buf->vb.width, buf->vb.height, 1); - if (ret < 0) - goto error; - - /* Loop back to start of program */ - buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP|RISC_IRQ1|RISC_CNT_INC); - buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma); - - buf->vb.state = VIDEOBUF_PREPARED; - - chip->buf = buf; - chip->dma_risc = dma; - - substream->runtime->dma_area = chip->dma_risc->vmalloc; - substream->runtime->dma_bytes = chip->dma_size; - substream->runtime->dma_addr = 0; - return 0; + chip->bufsize = chip->period_size * params_periods(hw_params); + + BUG_ON(!chip->bufsize); + + dprintk(1, "Setting buffer\n"); -error: - kfree(buf); - return ret; + /* FIXME: Allocate buffer for audio */ + + + return 0; } /* * hw free callback */ -static int snd_cx88_hw_free(struct snd_pcm_substream * substream) +static int snd_tm6000_hw_free(struct snd_pcm_substream *substream) { - snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); + struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream); if (substream->runtime->dma_area) { dsp_buffer_free(chip); @@ -451,31 +246,31 @@ static int snd_cx88_hw_free(struct snd_pcm_substream * substream) /* * prepare callback */ -static int snd_cx88_prepare(struct snd_pcm_substream *substream) +static int snd_tm6000_prepare(struct snd_pcm_substream *substream) { return 0; } + /* * trigger callback */ -static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd) +static int snd_tm6000_card_trigger(struct snd_pcm_substream *substream, int cmd) { - snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); + struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream); int err; - /* Local interrupts are already disabled by ALSA */ spin_lock(&chip->reg_lock); switch (cmd) { case SNDRV_PCM_TRIGGER_START: - err=_cx88_start_audio_dma(chip); + err = _tm6000_start_audio_dma(chip); break; case SNDRV_PCM_TRIGGER_STOP: - err=_cx88_stop_audio_dma(chip); + err = _tm6000_stop_audio_dma(chip); break; default: - err=-EINVAL; + err = -EINVAL; break; } @@ -487,49 +282,36 @@ static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd) /* * pointer callback */ -static snd_pcm_uframes_t snd_cx88_pointer(struct snd_pcm_substream *substream) +static snd_pcm_uframes_t snd_tm6000_pointer(struct snd_pcm_substream *substream) { - snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); + struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; u16 count; count = atomic_read(&chip->count); -// dprintk(2, "%s - count %d (+%u), period %d, frame %lu\n", __FUNCTION__, -// count, new, count & (runtime->periods-1), -// runtime->period_size * (count & (runtime->periods-1))); return runtime->period_size * (count & (runtime->periods-1)); } /* - * page callback (needed for mmap) - */ -static struct page *snd_cx88_page(struct snd_pcm_substream *substream, - unsigned long offset) -{ - void *pageptr = substream->runtime->dma_area + offset; - return vmalloc_to_page(pageptr); -} - -/* * operators */ -static struct snd_pcm_ops snd_cx88_pcm_ops = { - .open = snd_cx88_pcm_open, - .close = snd_cx88_close, +static struct snd_pcm_ops snd_tm6000_pcm_ops = { + .open = snd_tm6000_pcm_open, + .close = snd_tm6000_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_cx88_hw_params, - .hw_free = snd_cx88_hw_free, - .prepare = snd_cx88_prepare, - .trigger = snd_cx88_card_trigger, - .pointer = snd_cx88_pointer, - .page = snd_cx88_page, + .hw_params = snd_tm6000_hw_params, + .hw_free = snd_tm6000_hw_free, + .prepare = snd_tm6000_prepare, + .trigger = snd_tm6000_card_trigger, + .pointer = snd_tm6000_pointer, }; /* * create a PCM device */ -static int __devinit snd_cx88_pcm(snd_cx88_card_t *chip, int device, char *name) +static int __devinit snd_tm6000_pcm(struct snd_tm6000_card *chip, + int device, char *name) { int err; struct snd_pcm *pcm; @@ -539,177 +321,23 @@ static int __devinit snd_cx88_pcm(snd_cx88_card_t *chip, int device, char *name) return err; pcm->private_data = chip; strcpy(pcm->name, name); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cx88_pcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_tm6000_pcm_ops); return 0; } -/**************************************************************************** - CONTROL INTERFACE - ****************************************************************************/ -static int snd_cx88_volume_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *info) -{ - info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - info->count = 2; - info->value.integer.min = 0; - info->value.integer.max = 0x3f; - - return 0; -} - -static int snd_cx88_volume_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); - struct cx88_core *core=chip->core; - int vol = 0x3f - (cx_read(AUD_VOL_CTL) & 0x3f), - bal = cx_read(AUD_BAL_CTL); - - value->value.integer.value[(bal & 0x40) ? 0 : 1] = vol; - vol -= (bal & 0x3f); - value->value.integer.value[(bal & 0x40) ? 1 : 0] = vol < 0 ? 0 : vol; - - return 0; -} - -/* OK - TODO: test it */ -static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); - struct cx88_core *core=chip->core; - int v, b; - int changed = 0; - u32 old; - - b = value->value.integer.value[1] - value->value.integer.value[0]; - if (b < 0) { - v = 0x3f - value->value.integer.value[0]; - b = (-b) | 0x40; - } else { - v = 0x3f - value->value.integer.value[1]; - } - /* Do we really know this will always be called with IRQs on? */ - spin_lock_irq(&chip->reg_lock); - old = cx_read(AUD_VOL_CTL); - if (v != (old & 0x3f)) { - cx_write(AUD_VOL_CTL, (old & ~0x3f) | v); - changed = 1; - } - if (cx_read(AUD_BAL_CTL) != b) { - cx_write(AUD_BAL_CTL, b); - changed = 1; - } - spin_unlock_irq(&chip->reg_lock); - - return changed; -} - -static const DECLARE_TLV_DB_SCALE(snd_cx88_db_scale, -6300, 100, 0); - -static struct snd_kcontrol_new snd_cx88_volume = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | - SNDRV_CTL_ELEM_ACCESS_TLV_READ, - .name = "Playback Volume", - .info = snd_cx88_volume_info, - .get = snd_cx88_volume_get, - .put = snd_cx88_volume_put, - .tlv.p = snd_cx88_db_scale, -}; - -static int snd_cx88_switch_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); - struct cx88_core *core = chip->core; - u32 bit = kcontrol->private_value; - - value->value.integer.value[0] = !(cx_read(AUD_VOL_CTL) & bit); - return 0; -} - -static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); - struct cx88_core *core = chip->core; - u32 bit = kcontrol->private_value; - int ret = 0; - u32 vol; - - spin_lock_irq(&chip->reg_lock); - vol = cx_read(AUD_VOL_CTL); - if (value->value.integer.value[0] != !(vol & bit)) { - vol ^= bit; - cx_write(AUD_VOL_CTL, vol); - ret = 1; - } - spin_unlock_irq(&chip->reg_lock); - return ret; -} - -static struct snd_kcontrol_new snd_cx88_dac_switch = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Playback Switch", - .info = snd_ctl_boolean_mono_info, - .get = snd_cx88_switch_get, - .put = snd_cx88_switch_put, - .private_value = (1<<8), -}; - -static struct snd_kcontrol_new snd_cx88_source_switch = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Capture Switch", - .info = snd_ctl_boolean_mono_info, - .get = snd_cx88_switch_get, - .put = snd_cx88_switch_put, - .private_value = (1<<6), -}; +/* FIXME: Control interface - How to control volume/mute? */ /**************************************************************************** Basic Flow for Sound Devices ****************************************************************************/ -/* - * PCI ID Table - 14f1:8801 and 14f1:8811 means function 1: Audio - * Only boards with eeprom and byte 1 at eeprom=1 have it - */ - -static struct pci_device_id cx88_audio_pci_tbl[] __devinitdata = { - {0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {0, } -}; -MODULE_DEVICE_TABLE(pci, cx88_audio_pci_tbl); - -/* - * Chip-specific destructor - */ - -static int snd_cx88_free(snd_cx88_card_t *chip) -{ - - if (chip->irq >= 0){ - synchronize_irq(chip->irq); - free_irq(chip->irq, chip); - } - - cx88_core_put(chip->core,chip->pci); - - pci_disable_device(chip->pci); - return 0; -} /* * Component Destructor */ -static void snd_cx88_dev_free(struct snd_card * card) +static void snd_tm6000_dev_free(struct snd_card *card) { - snd_cx88_card_t *chip = card->private_data; - - snd_cx88_free(chip); } @@ -717,196 +345,21 @@ static void snd_cx88_dev_free(struct snd_card * card) * Alsa Constructor - Component probe */ -static int devno; -static int __devinit snd_cx88_create(struct snd_card *card, - struct pci_dev *pci, - snd_cx88_card_t **rchip) -{ - snd_cx88_card_t *chip; - struct cx88_core *core; - int err; - unsigned char pci_lat; - - *rchip = NULL; - - err = pci_enable_device(pci); - if (err < 0) - return err; - pci_set_master(pci); - - chip = (snd_cx88_card_t *) card->private_data; - - core = cx88_core_get(pci); - if (NULL == core) { - err = -EINVAL; - kfree (chip); - return err; - } - - if (!pci_dma_supported(pci,DMA_32BIT_MASK)) { - dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name); - err = -EIO; - cx88_core_put(core,pci); - return err; - } - - - /* pci init */ - chip->card = card; - chip->pci = pci; - chip->irq = -1; - spin_lock_init(&chip->reg_lock); - - chip->core = core; - - /* get irq */ - err = request_irq(chip->pci->irq, cx8801_irq, - IRQF_SHARED | IRQF_DISABLED, chip->core->name, chip); - if (err < 0) { - dprintk(0, "%s: can't get IRQ %d\n", - chip->core->name, chip->pci->irq); - return err; - } - - /* print pci info */ - pci_read_config_byte(pci, PCI_LATENCY_TIMER, &pci_lat); - - dprintk(1,"ALSA %s/%i: found at %s, rev: %d, irq: %d, " - "latency: %d, mmio: 0x%llx\n", core->name, devno, - pci_name(pci), pci->revision, pci->irq, - pci_lat, (unsigned long long)pci_resource_start(pci,0)); - - chip->irq = pci->irq; - synchronize_irq(chip->irq); - - snd_card_set_dev(card, &pci->dev); - - *rchip = chip; - - return 0; -} - -static int __devinit cx88_audio_initdev(struct pci_dev *pci, - const struct pci_device_id *pci_id) +/* FIXME: initialize -alsa driver */ +static int tm6000_audio_init(void) { - struct snd_card *card; - snd_cx88_card_t *chip; - int err; - - if (devno >= SNDRV_CARDS) - return (-ENODEV); - - if (!enable[devno]) { - ++devno; - return (-ENOENT); - } - - card = snd_card_new(index[devno], id[devno], THIS_MODULE, sizeof(snd_cx88_card_t)); - if (!card) - return (-ENOMEM); - - card->private_free = snd_cx88_dev_free; - - err = snd_cx88_create(card, pci, &chip); - if (err < 0) - return (err); - - err = snd_cx88_pcm(chip, 0, "CX88 Digital"); - if (err < 0) - goto error; - - err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_volume, chip)); - if (err < 0) - goto error; - err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_dac_switch, chip)); - if (err < 0) - goto error; - err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_source_switch, chip)); - if (err < 0) - goto error; + printk("tm6000-alsa not ready yet\n"); - strcpy (card->driver, "CX88x"); - sprintf(card->shortname, "Conexant CX%x", pci->device); - sprintf(card->longname, "%s at %#llx", - card->shortname,(unsigned long long)pci_resource_start(pci, 0)); - strcpy (card->mixername, "CX88"); - - dprintk (0, "%s/%i: ALSA support for cx2388x boards\n", - card->driver,devno); - - err = snd_card_register(card); - if (err < 0) - goto error; - pci_set_drvdata(pci,card); - - devno++; return 0; - -error: - snd_card_free(card); - return err; -} -/* - * ALSA destructor - */ -static void __devexit cx88_audio_finidev(struct pci_dev *pci) -{ - struct cx88_audio_dev *card = pci_get_drvdata(pci); - - snd_card_free((void *)card); - - pci_set_drvdata(pci, NULL); - - devno--; -} - -/* - * PCI driver definition - */ - -static struct pci_driver cx88_audio_pci_driver = { - .name = "cx88_audio", - .id_table = cx88_audio_pci_tbl, - .probe = cx88_audio_initdev, - .remove = cx88_audio_finidev, -}; - -/**************************************************************************** - LINUX MODULE INIT - ****************************************************************************/ - -/* - * module init - */ -static int cx88_audio_init(void) -{ - printk(KERN_INFO "cx2388x alsa driver version %d.%d.%d loaded\n", - (CX88_VERSION_CODE >> 16) & 0xff, - (CX88_VERSION_CODE >> 8) & 0xff, - CX88_VERSION_CODE & 0xff); -#ifdef SNAPSHOT - printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", - SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); -#endif - return pci_register_driver(&cx88_audio_pci_driver); } /* * module remove */ -static void cx88_audio_fini(void) +static void tm6000_audio_fini(void) { - - pci_unregister_driver(&cx88_audio_pci_driver); } -module_init(cx88_audio_init); -module_exit(cx88_audio_fini); - -/* ----------------------------------------------------------- */ -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ +module_init(tm6000_audio_init); +module_exit(tm6000_audio_fini); -- 2.7.4