diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pcmcia/vx/vxp_ops.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pcmcia/vx/vxp_ops.c | 614 |
1 files changed, 0 insertions, 614 deletions
diff --git a/ANDROID_3.4.5/sound/pcmcia/vx/vxp_ops.c b/ANDROID_3.4.5/sound/pcmcia/vx/vxp_ops.c deleted file mode 100644 index fe33e122..00000000 --- a/ANDROID_3.4.5/sound/pcmcia/vx/vxp_ops.c +++ /dev/null @@ -1,614 +0,0 @@ -/* - * Driver for Digigram VXpocket soundcards - * - * lowlevel routines for VXpocket soundcards - * - * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/firmware.h> -#include <linux/io.h> -#include <sound/core.h> -#include "vxpocket.h" - - -static int vxp_reg_offset[VX_REG_MAX] = { - [VX_ICR] = 0x00, // ICR - [VX_CVR] = 0x01, // CVR - [VX_ISR] = 0x02, // ISR - [VX_IVR] = 0x03, // IVR - [VX_RXH] = 0x05, // RXH - [VX_RXM] = 0x06, // RXM - [VX_RXL] = 0x07, // RXL - [VX_DMA] = 0x04, // DMA - [VX_CDSP] = 0x08, // CDSP - [VX_LOFREQ] = 0x09, // LFREQ - [VX_HIFREQ] = 0x0a, // HFREQ - [VX_DATA] = 0x0b, // DATA - [VX_MICRO] = 0x0c, // MICRO - [VX_DIALOG] = 0x0d, // DIALOG - [VX_CSUER] = 0x0e, // CSUER - [VX_RUER] = 0x0f, // RUER -}; - - -static inline unsigned long vxp_reg_addr(struct vx_core *_chip, int reg) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - return chip->port + vxp_reg_offset[reg]; -} - -/* - * snd_vx_inb - read a byte from the register - * @offset: register offset - */ -static unsigned char vxp_inb(struct vx_core *chip, int offset) -{ - return inb(vxp_reg_addr(chip, offset)); -} - -/* - * snd_vx_outb - write a byte on the register - * @offset: the register offset - * @val: the value to write - */ -static void vxp_outb(struct vx_core *chip, int offset, unsigned char val) -{ - outb(val, vxp_reg_addr(chip, offset)); -} - -/* - * redefine macros to call directly - */ -#undef vx_inb -#define vx_inb(chip,reg) vxp_inb((struct vx_core *)(chip), VX_##reg) -#undef vx_outb -#define vx_outb(chip,reg,val) vxp_outb((struct vx_core *)(chip), VX_##reg,val) - - -/* - * vx_check_magic - check the magic word on xilinx - * - * returns zero if a magic word is detected, or a negative error code. - */ -static int vx_check_magic(struct vx_core *chip) -{ - unsigned long end_time = jiffies + HZ / 5; - int c; - do { - c = vx_inb(chip, CDSP); - if (c == CDSP_MAGIC) - return 0; - msleep(10); - } while (time_after_eq(end_time, jiffies)); - snd_printk(KERN_ERR "cannot find xilinx magic word (%x)\n", c); - return -EIO; -} - - -/* - * vx_reset_dsp - reset the DSP - */ - -#define XX_DSP_RESET_WAIT_TIME 2 /* ms */ - -static void vxp_reset_dsp(struct vx_core *_chip) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - - /* set the reset dsp bit to 1 */ - vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_DSP_RESET_MASK); - vx_inb(chip, CDSP); - mdelay(XX_DSP_RESET_WAIT_TIME); - /* reset the bit */ - chip->regCDSP &= ~VXP_CDSP_DSP_RESET_MASK; - vx_outb(chip, CDSP, chip->regCDSP); - vx_inb(chip, CDSP); - mdelay(XX_DSP_RESET_WAIT_TIME); -} - -/* - * reset codec bit - */ -static void vxp_reset_codec(struct vx_core *_chip) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - - /* Set the reset CODEC bit to 1. */ - vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_CODEC_RESET_MASK); - vx_inb(chip, CDSP); - msleep(10); - /* Set the reset CODEC bit to 0. */ - chip->regCDSP &= ~VXP_CDSP_CODEC_RESET_MASK; - vx_outb(chip, CDSP, chip->regCDSP); - vx_inb(chip, CDSP); - msleep(1); -} - -/* - * vx_load_xilinx_binary - load the xilinx binary image - * the binary image is the binary array converted from the bitstream file. - */ -static int vxp_load_xilinx_binary(struct vx_core *_chip, const struct firmware *fw) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - unsigned int i; - int c; - int regCSUER, regRUER; - const unsigned char *image; - unsigned char data; - - /* Switch to programmation mode */ - chip->regDIALOG |= VXP_DLG_XILINX_REPROG_MASK; - vx_outb(chip, DIALOG, chip->regDIALOG); - - /* Save register CSUER and RUER */ - regCSUER = vx_inb(chip, CSUER); - regRUER = vx_inb(chip, RUER); - - /* reset HF0 and HF1 */ - vx_outb(chip, ICR, 0); - - /* Wait for answer HF2 equal to 1 */ - snd_printdd(KERN_DEBUG "check ISR_HF2\n"); - if (vx_check_isr(_chip, ISR_HF2, ISR_HF2, 20) < 0) - goto _error; - - /* set HF1 for loading xilinx binary */ - vx_outb(chip, ICR, ICR_HF1); - image = fw->data; - for (i = 0; i < fw->size; i++, image++) { - data = *image; - if (vx_wait_isr_bit(_chip, ISR_TX_EMPTY) < 0) - goto _error; - vx_outb(chip, TXL, data); - /* wait for reading */ - if (vx_wait_for_rx_full(_chip) < 0) - goto _error; - c = vx_inb(chip, RXL); - if (c != (int)data) - snd_printk(KERN_ERR "vxpocket: load xilinx mismatch at %d: 0x%x != 0x%x\n", i, c, (int)data); - } - - /* reset HF1 */ - vx_outb(chip, ICR, 0); - - /* wait for HF3 */ - if (vx_check_isr(_chip, ISR_HF3, ISR_HF3, 20) < 0) - goto _error; - - /* read the number of bytes received */ - if (vx_wait_for_rx_full(_chip) < 0) - goto _error; - - c = (int)vx_inb(chip, RXH) << 16; - c |= (int)vx_inb(chip, RXM) << 8; - c |= vx_inb(chip, RXL); - - snd_printdd(KERN_DEBUG "xilinx: dsp size received 0x%x, orig 0x%Zx\n", c, fw->size); - - vx_outb(chip, ICR, ICR_HF0); - - /* TEMPO 250ms : wait until Xilinx is downloaded */ - msleep(300); - - /* test magical word */ - if (vx_check_magic(_chip) < 0) - goto _error; - - /* Restore register 0x0E and 0x0F (thus replacing COR and FCSR) */ - vx_outb(chip, CSUER, regCSUER); - vx_outb(chip, RUER, regRUER); - - /* Reset the Xilinx's signal enabling IO access */ - chip->regDIALOG |= VXP_DLG_XILINX_REPROG_MASK; - vx_outb(chip, DIALOG, chip->regDIALOG); - vx_inb(chip, DIALOG); - msleep(10); - chip->regDIALOG &= ~VXP_DLG_XILINX_REPROG_MASK; - vx_outb(chip, DIALOG, chip->regDIALOG); - vx_inb(chip, DIALOG); - - /* Reset of the Codec */ - vxp_reset_codec(_chip); - vx_reset_dsp(_chip); - - return 0; - - _error: - vx_outb(chip, CSUER, regCSUER); - vx_outb(chip, RUER, regRUER); - chip->regDIALOG &= ~VXP_DLG_XILINX_REPROG_MASK; - vx_outb(chip, DIALOG, chip->regDIALOG); - return -EIO; -} - - -/* - * vxp_load_dsp - load_dsp callback - */ -static int vxp_load_dsp(struct vx_core *vx, int index, const struct firmware *fw) -{ - int err; - - switch (index) { - case 0: - /* xilinx boot */ - if ((err = vx_check_magic(vx)) < 0) - return err; - if ((err = snd_vx_load_boot_image(vx, fw)) < 0) - return err; - return 0; - case 1: - /* xilinx image */ - return vxp_load_xilinx_binary(vx, fw); - case 2: - /* DSP boot */ - return snd_vx_dsp_boot(vx, fw); - case 3: - /* DSP image */ - return snd_vx_dsp_load(vx, fw); - default: - snd_BUG(); - return -EINVAL; - } -} - - -/* - * vx_test_and_ack - test and acknowledge interrupt - * - * called from irq hander, too - * - * spinlock held! - */ -static int vxp_test_and_ack(struct vx_core *_chip) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - - /* not booted yet? */ - if (! (_chip->chip_status & VX_STAT_XILINX_LOADED)) - return -ENXIO; - - if (! (vx_inb(chip, DIALOG) & VXP_DLG_MEMIRQ_MASK)) - return -EIO; - - /* ok, interrupts generated, now ack it */ - /* set ACQUIT bit up and down */ - vx_outb(chip, DIALOG, chip->regDIALOG | VXP_DLG_ACK_MEMIRQ_MASK); - /* useless read just to spend some time and maintain - * the ACQUIT signal up for a while ( a bus cycle ) - */ - vx_inb(chip, DIALOG); - vx_outb(chip, DIALOG, chip->regDIALOG & ~VXP_DLG_ACK_MEMIRQ_MASK); - - return 0; -} - - -/* - * vx_validate_irq - enable/disable IRQ - */ -static void vxp_validate_irq(struct vx_core *_chip, int enable) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - - /* Set the interrupt enable bit to 1 in CDSP register */ - if (enable) - chip->regCDSP |= VXP_CDSP_VALID_IRQ_MASK; - else - chip->regCDSP &= ~VXP_CDSP_VALID_IRQ_MASK; - vx_outb(chip, CDSP, chip->regCDSP); -} - -/* - * vx_setup_pseudo_dma - set up the pseudo dma read/write mode. - * @do_write: 0 = read, 1 = set up for DMA write - */ -static void vx_setup_pseudo_dma(struct vx_core *_chip, int do_write) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - - /* Interrupt mode and HREQ pin enabled for host transmit / receive data transfers */ - vx_outb(chip, ICR, do_write ? ICR_TREQ : ICR_RREQ); - /* Reset the pseudo-dma register */ - vx_inb(chip, ISR); - vx_outb(chip, ISR, 0); - - /* Select DMA in read/write transfer mode and in 16-bit accesses */ - chip->regDIALOG |= VXP_DLG_DMA16_SEL_MASK; - chip->regDIALOG |= do_write ? VXP_DLG_DMAWRITE_SEL_MASK : VXP_DLG_DMAREAD_SEL_MASK; - vx_outb(chip, DIALOG, chip->regDIALOG); - -} - -/* - * vx_release_pseudo_dma - disable the pseudo-DMA mode - */ -static void vx_release_pseudo_dma(struct vx_core *_chip) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - - /* Disable DMA and 16-bit accesses */ - chip->regDIALOG &= ~(VXP_DLG_DMAWRITE_SEL_MASK| - VXP_DLG_DMAREAD_SEL_MASK| - VXP_DLG_DMA16_SEL_MASK); - vx_outb(chip, DIALOG, chip->regDIALOG); - /* HREQ pin disabled. */ - vx_outb(chip, ICR, 0); -} - -/* - * vx_pseudo_dma_write - write bulk data on pseudo-DMA mode - * @count: data length to transfer in bytes - * - * data size must be aligned to 6 bytes to ensure the 24bit alignment on DSP. - * NB: call with a certain lock! - */ -static void vxp_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime, - struct vx_pipe *pipe, int count) -{ - long port = vxp_reg_addr(chip, VX_DMA); - int offset = pipe->hw_ptr; - unsigned short *addr = (unsigned short *)(runtime->dma_area + offset); - - vx_setup_pseudo_dma(chip, 1); - if (offset + count > pipe->buffer_bytes) { - int length = pipe->buffer_bytes - offset; - count -= length; - length >>= 1; /* in 16bit words */ - /* Transfer using pseudo-dma. */ - while (length-- > 0) { - outw(cpu_to_le16(*addr), port); - addr++; - } - addr = (unsigned short *)runtime->dma_area; - pipe->hw_ptr = 0; - } - pipe->hw_ptr += count; - count >>= 1; /* in 16bit words */ - /* Transfer using pseudo-dma. */ - while (count-- > 0) { - outw(cpu_to_le16(*addr), port); - addr++; - } - vx_release_pseudo_dma(chip); -} - - -/* - * vx_pseudo_dma_read - read bulk data on pseudo DMA mode - * @offset: buffer offset in bytes - * @count: data length to transfer in bytes - * - * the read length must be aligned to 6 bytes, as well as write. - * NB: call with a certain lock! - */ -static void vxp_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime, - struct vx_pipe *pipe, int count) -{ - struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip; - long port = vxp_reg_addr(chip, VX_DMA); - int offset = pipe->hw_ptr; - unsigned short *addr = (unsigned short *)(runtime->dma_area + offset); - - if (snd_BUG_ON(count % 2)) - return; - vx_setup_pseudo_dma(chip, 0); - if (offset + count > pipe->buffer_bytes) { - int length = pipe->buffer_bytes - offset; - count -= length; - length >>= 1; /* in 16bit words */ - /* Transfer using pseudo-dma. */ - while (length-- > 0) - *addr++ = le16_to_cpu(inw(port)); - addr = (unsigned short *)runtime->dma_area; - pipe->hw_ptr = 0; - } - pipe->hw_ptr += count; - count >>= 1; /* in 16bit words */ - /* Transfer using pseudo-dma. */ - while (count-- > 1) - *addr++ = le16_to_cpu(inw(port)); - /* Disable DMA */ - pchip->regDIALOG &= ~VXP_DLG_DMAREAD_SEL_MASK; - vx_outb(chip, DIALOG, pchip->regDIALOG); - /* Read the last word (16 bits) */ - *addr = le16_to_cpu(inw(port)); - /* Disable 16-bit accesses */ - pchip->regDIALOG &= ~VXP_DLG_DMA16_SEL_MASK; - vx_outb(chip, DIALOG, pchip->regDIALOG); - /* HREQ pin disabled. */ - vx_outb(chip, ICR, 0); -} - - -/* - * write a codec data (24bit) - */ -static void vxp_write_codec_reg(struct vx_core *chip, int codec, unsigned int data) -{ - int i; - - /* Activate access to the corresponding codec register */ - if (! codec) - vx_inb(chip, LOFREQ); - else - vx_inb(chip, CODEC2); - - /* We have to send 24 bits (3 x 8 bits). Start with most signif. Bit */ - for (i = 0; i < 24; i++, data <<= 1) - vx_outb(chip, DATA, ((data & 0x800000) ? VX_DATA_CODEC_MASK : 0)); - - /* Terminate access to codec registers */ - vx_inb(chip, HIFREQ); -} - - -/* - * vx_set_mic_boost - set mic boost level (on vxp440 only) - * @boost: 0 = 20dB, 1 = +38dB - */ -void vx_set_mic_boost(struct vx_core *chip, int boost) -{ - struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip; - unsigned long flags; - - if (chip->chip_status & VX_STAT_IS_STALE) - return; - - spin_lock_irqsave(&chip->lock, flags); - if (pchip->regCDSP & P24_CDSP_MICS_SEL_MASK) { - if (boost) { - /* boost: 38 dB */ - pchip->regCDSP &= ~P24_CDSP_MIC20_SEL_MASK; - pchip->regCDSP |= P24_CDSP_MIC38_SEL_MASK; - } else { - /* minimum value: 20 dB */ - pchip->regCDSP |= P24_CDSP_MIC20_SEL_MASK; - pchip->regCDSP &= ~P24_CDSP_MIC38_SEL_MASK; - } - vx_outb(chip, CDSP, pchip->regCDSP); - } - spin_unlock_irqrestore(&chip->lock, flags); -} - -/* - * remap the linear value (0-8) to the actual value (0-15) - */ -static int vx_compute_mic_level(int level) -{ - switch (level) { - case 5: level = 6 ; break; - case 6: level = 8 ; break; - case 7: level = 11; break; - case 8: level = 15; break; - default: break ; - } - return level; -} - -/* - * vx_set_mic_level - set mic level (on vxpocket only) - * @level: the mic level = 0 - 8 (max) - */ -void vx_set_mic_level(struct vx_core *chip, int level) -{ - struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip; - unsigned long flags; - - if (chip->chip_status & VX_STAT_IS_STALE) - return; - - spin_lock_irqsave(&chip->lock, flags); - if (pchip->regCDSP & VXP_CDSP_MIC_SEL_MASK) { - level = vx_compute_mic_level(level); - vx_outb(chip, MICRO, level); - } - spin_unlock_irqrestore(&chip->lock, flags); -} - - -/* - * change the input audio source - */ -static void vxp_change_audio_source(struct vx_core *_chip, int src) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - - switch (src) { - case VX_AUDIO_SRC_DIGITAL: - chip->regCDSP |= VXP_CDSP_DATAIN_SEL_MASK; - vx_outb(chip, CDSP, chip->regCDSP); - break; - case VX_AUDIO_SRC_LINE: - chip->regCDSP &= ~VXP_CDSP_DATAIN_SEL_MASK; - if (_chip->type == VX_TYPE_VXP440) - chip->regCDSP &= ~P24_CDSP_MICS_SEL_MASK; - else - chip->regCDSP &= ~VXP_CDSP_MIC_SEL_MASK; - vx_outb(chip, CDSP, chip->regCDSP); - break; - case VX_AUDIO_SRC_MIC: - chip->regCDSP &= ~VXP_CDSP_DATAIN_SEL_MASK; - /* reset mic levels */ - if (_chip->type == VX_TYPE_VXP440) { - chip->regCDSP &= ~P24_CDSP_MICS_SEL_MASK; - if (chip->mic_level) - chip->regCDSP |= P24_CDSP_MIC38_SEL_MASK; - else - chip->regCDSP |= P24_CDSP_MIC20_SEL_MASK; - vx_outb(chip, CDSP, chip->regCDSP); - } else { - chip->regCDSP |= VXP_CDSP_MIC_SEL_MASK; - vx_outb(chip, CDSP, chip->regCDSP); - vx_outb(chip, MICRO, vx_compute_mic_level(chip->mic_level)); - } - break; - } -} - -/* - * change the clock source - * source = INTERNAL_QUARTZ or UER_SYNC - */ -static void vxp_set_clock_source(struct vx_core *_chip, int source) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - - if (source == INTERNAL_QUARTZ) - chip->regCDSP &= ~VXP_CDSP_CLOCKIN_SEL_MASK; - else - chip->regCDSP |= VXP_CDSP_CLOCKIN_SEL_MASK; - vx_outb(chip, CDSP, chip->regCDSP); -} - - -/* - * reset the board - */ -static void vxp_reset_board(struct vx_core *_chip, int cold_reset) -{ - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; - - chip->regCDSP = 0; - chip->regDIALOG = 0; -} - - -/* - * callbacks - */ -/* exported */ -struct snd_vx_ops snd_vxpocket_ops = { - .in8 = vxp_inb, - .out8 = vxp_outb, - .test_and_ack = vxp_test_and_ack, - .validate_irq = vxp_validate_irq, - .write_codec = vxp_write_codec_reg, - .reset_codec = vxp_reset_codec, - .change_audio_source = vxp_change_audio_source, - .set_clock_source = vxp_set_clock_source, - .load_dsp = vxp_load_dsp, - .add_controls = vxp_add_mic_controls, - .reset_dsp = vxp_reset_dsp, - .reset_board = vxp_reset_board, - .dma_write = vxp_dma_write, - .dma_read = vxp_dma_read, -}; |