| /* |
| * Driver for Digigram pcxhr compatible soundcards |
| * |
| * main file with alsa callbacks |
| * |
| * Copyright (c) 2004 by Digigram <alsa@digigram.com> |
| * |
| * 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/init.h> |
| #include <linux/interrupt.h> |
| #include <linux/slab.h> |
| #include <linux/pci.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/delay.h> |
| #include <linux/moduleparam.h> |
| #include <linux/mutex.h> |
| |
| #include <sound/core.h> |
| #include <sound/initval.h> |
| #include <sound/info.h> |
| #include <sound/control.h> |
| #include <sound/pcm.h> |
| #include <sound/pcm_params.h> |
| #include "pcxhr.h" |
| #include "pcxhr_mixer.h" |
| #include "pcxhr_hwdep.h" |
| #include "pcxhr_core.h" |
| #include "pcxhr_mix22.h" |
| |
| #define DRIVER_NAME "pcxhr" |
| |
| MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>, " |
| "Marc Titinger <titinger@digigram.com>"); |
| MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING); |
| MODULE_LICENSE("GPL"); |
| MODULE_SUPPORTED_DEVICE("{{Digigram," DRIVER_NAME "}}"); |
| |
| 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 mono[SNDRV_CARDS]; /* capture mono only */ |
| |
| module_param_array(index, int, NULL, 0444); |
| MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard"); |
| module_param_array(id, charp, NULL, 0444); |
| MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard"); |
| module_param_array(enable, bool, NULL, 0444); |
| MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard"); |
| module_param_array(mono, bool, NULL, 0444); |
| MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)"); |
| |
| enum { |
| PCI_ID_VX882HR, |
| PCI_ID_PCX882HR, |
| PCI_ID_VX881HR, |
| PCI_ID_PCX881HR, |
| PCI_ID_VX882E, |
| PCI_ID_PCX882E, |
| PCI_ID_VX881E, |
| PCI_ID_PCX881E, |
| PCI_ID_VX1222HR, |
| PCI_ID_PCX1222HR, |
| PCI_ID_VX1221HR, |
| PCI_ID_PCX1221HR, |
| PCI_ID_VX1222E, |
| PCI_ID_PCX1222E, |
| PCI_ID_VX1221E, |
| PCI_ID_PCX1221E, |
| PCI_ID_VX222HR, |
| PCI_ID_VX222E, |
| PCI_ID_PCX22HR, |
| PCI_ID_PCX22E, |
| PCI_ID_VX222HRMIC, |
| PCI_ID_VX222E_MIC, |
| PCI_ID_PCX924HR, |
| PCI_ID_PCX924E, |
| PCI_ID_PCX924HRMIC, |
| PCI_ID_PCX924E_MIC, |
| PCI_ID_LAST |
| }; |
| |
| static struct pci_device_id pcxhr_ids[] = { |
| { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, }, |
| { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, }, |
| { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, }, |
| { 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, }, |
| { 0x10b5, 0x9056, 0x1369, 0xb021, 0, 0, PCI_ID_VX882E, }, |
| { 0x10b5, 0x9056, 0x1369, 0xb121, 0, 0, PCI_ID_PCX882E, }, |
| { 0x10b5, 0x9056, 0x1369, 0xb221, 0, 0, PCI_ID_VX881E, }, |
| { 0x10b5, 0x9056, 0x1369, 0xb321, 0, 0, PCI_ID_PCX881E, }, |
| { 0x10b5, 0x9656, 0x1369, 0xb401, 0, 0, PCI_ID_VX1222HR, }, |
| { 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, }, |
| { 0x10b5, 0x9656, 0x1369, 0xb601, 0, 0, PCI_ID_VX1221HR, }, |
| { 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, }, |
| { 0x10b5, 0x9056, 0x1369, 0xb421, 0, 0, PCI_ID_VX1222E, }, |
| { 0x10b5, 0x9056, 0x1369, 0xb521, 0, 0, PCI_ID_PCX1222E, }, |
| { 0x10b5, 0x9056, 0x1369, 0xb621, 0, 0, PCI_ID_VX1221E, }, |
| { 0x10b5, 0x9056, 0x1369, 0xb721, 0, 0, PCI_ID_PCX1221E, }, |
| { 0x10b5, 0x9056, 0x1369, 0xba01, 0, 0, PCI_ID_VX222HR, }, |
| { 0x10b5, 0x9056, 0x1369, 0xba21, 0, 0, PCI_ID_VX222E, }, |
| { 0x10b5, 0x9056, 0x1369, 0xbd01, 0, 0, PCI_ID_PCX22HR, }, |
| { 0x10b5, 0x9056, 0x1369, 0xbd21, 0, 0, PCI_ID_PCX22E, }, |
| { 0x10b5, 0x9056, 0x1369, 0xbc01, 0, 0, PCI_ID_VX222HRMIC, }, |
| { 0x10b5, 0x9056, 0x1369, 0xbc21, 0, 0, PCI_ID_VX222E_MIC, }, |
| { 0x10b5, 0x9056, 0x1369, 0xbb01, 0, 0, PCI_ID_PCX924HR, }, |
| { 0x10b5, 0x9056, 0x1369, 0xbb21, 0, 0, PCI_ID_PCX924E, }, |
| { 0x10b5, 0x9056, 0x1369, 0xbf01, 0, 0, PCI_ID_PCX924HRMIC, }, |
| { 0x10b5, 0x9056, 0x1369, 0xbf21, 0, 0, PCI_ID_PCX924E_MIC, }, |
| { 0, } |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, pcxhr_ids); |
| |
| struct board_parameters { |
| char* board_name; |
| short playback_chips; |
| short capture_chips; |
| short fw_file_set; |
| short firmware_num; |
| }; |
| static struct board_parameters pcxhr_board_params[] = { |
| [PCI_ID_VX882HR] = { "VX882HR", 4, 4, 0, 41 }, |
| [PCI_ID_PCX882HR] = { "PCX882HR", 4, 4, 0, 41 }, |
| [PCI_ID_VX881HR] = { "VX881HR", 4, 4, 0, 41 }, |
| [PCI_ID_PCX881HR] = { "PCX881HR", 4, 4, 0, 41 }, |
| [PCI_ID_VX882E] = { "VX882e", 4, 4, 1, 41 }, |
| [PCI_ID_PCX882E] = { "PCX882e", 4, 4, 1, 41 }, |
| [PCI_ID_VX881E] = { "VX881e", 4, 4, 1, 41 }, |
| [PCI_ID_PCX881E] = { "PCX881e", 4, 4, 1, 41 }, |
| [PCI_ID_VX1222HR] = { "VX1222HR", 6, 1, 2, 42 }, |
| [PCI_ID_PCX1222HR] = { "PCX1222HR", 6, 1, 2, 42 }, |
| [PCI_ID_VX1221HR] = { "VX1221HR", 6, 1, 2, 42 }, |
| [PCI_ID_PCX1221HR] = { "PCX1221HR", 6, 1, 2, 42 }, |
| [PCI_ID_VX1222E] = { "VX1222e", 6, 1, 3, 42 }, |
| [PCI_ID_PCX1222E] = { "PCX1222e", 6, 1, 3, 42 }, |
| [PCI_ID_VX1221E] = { "VX1221e", 6, 1, 3, 42 }, |
| [PCI_ID_PCX1221E] = { "PCX1221e", 6, 1, 3, 42 }, |
| [PCI_ID_VX222HR] = { "VX222HR", 1, 1, 4, 44 }, |
| [PCI_ID_VX222E] = { "VX222e", 1, 1, 4, 44 }, |
| [PCI_ID_PCX22HR] = { "PCX22HR", 1, 0, 4, 44 }, |
| [PCI_ID_PCX22E] = { "PCX22e", 1, 0, 4, 44 }, |
| [PCI_ID_VX222HRMIC] = { "VX222HR-Mic", 1, 1, 5, 44 }, |
| [PCI_ID_VX222E_MIC] = { "VX222e-Mic", 1, 1, 5, 44 }, |
| [PCI_ID_PCX924HR] = { "PCX924HR", 1, 1, 5, 44 }, |
| [PCI_ID_PCX924E] = { "PCX924e", 1, 1, 5, 44 }, |
| [PCI_ID_PCX924HRMIC] = { "PCX924HR-Mic", 1, 1, 5, 44 }, |
| [PCI_ID_PCX924E_MIC] = { "PCX924e-Mic", 1, 1, 5, 44 }, |
| }; |
| |
| /* boards without hw AES1 and SRC onboard are all using fw_file_set==4 */ |
| /* VX222HR, VX222e, PCX22HR and PCX22e */ |
| #define PCXHR_BOARD_HAS_AES1(x) (x->fw_file_set != 4) |
| /* some boards do not support 192kHz on digital AES input plugs */ |
| #define PCXHR_BOARD_AESIN_NO_192K(x) ((x->capture_chips == 0) || \ |
| (x->fw_file_set == 0) || \ |
| (x->fw_file_set == 2)) |
| |
| static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg, |
| unsigned int* realfreq) |
| { |
| unsigned int reg; |
| |
| if (freq < 6900 || freq > 110000) |
| return -EINVAL; |
| reg = (28224000 * 2) / freq; |
| reg = (reg - 1) / 2; |
| if (reg < 0x200) |
| *pllreg = reg + 0x800; |
| else if (reg < 0x400) |
| *pllreg = reg & 0x1ff; |
| else if (reg < 0x800) { |
| *pllreg = ((reg >> 1) & 0x1ff) + 0x200; |
| reg &= ~1; |
| } else { |
| *pllreg = ((reg >> 2) & 0x1ff) + 0x400; |
| reg &= ~3; |
| } |
| if (realfreq) |
| *realfreq = (28224000 / (reg + 1)); |
| return 0; |
| } |
| |
| |
| #define PCXHR_FREQ_REG_MASK 0x1f |
| #define PCXHR_FREQ_QUARTZ_48000 0x00 |
| #define PCXHR_FREQ_QUARTZ_24000 0x01 |
| #define PCXHR_FREQ_QUARTZ_12000 0x09 |
| #define PCXHR_FREQ_QUARTZ_32000 0x08 |
| #define PCXHR_FREQ_QUARTZ_16000 0x04 |
| #define PCXHR_FREQ_QUARTZ_8000 0x0c |
| #define PCXHR_FREQ_QUARTZ_44100 0x02 |
| #define PCXHR_FREQ_QUARTZ_22050 0x0a |
| #define PCXHR_FREQ_QUARTZ_11025 0x06 |
| #define PCXHR_FREQ_PLL 0x05 |
| #define PCXHR_FREQ_QUARTZ_192000 0x10 |
| #define PCXHR_FREQ_QUARTZ_96000 0x18 |
| #define PCXHR_FREQ_QUARTZ_176400 0x14 |
| #define PCXHR_FREQ_QUARTZ_88200 0x1c |
| #define PCXHR_FREQ_QUARTZ_128000 0x12 |
| #define PCXHR_FREQ_QUARTZ_64000 0x1a |
| |
| #define PCXHR_FREQ_WORD_CLOCK 0x0f |
| #define PCXHR_FREQ_SYNC_AES 0x0e |
| #define PCXHR_FREQ_AES_1 0x07 |
| #define PCXHR_FREQ_AES_2 0x0b |
| #define PCXHR_FREQ_AES_3 0x03 |
| #define PCXHR_FREQ_AES_4 0x0d |
| |
| static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate, |
| unsigned int *reg, unsigned int *freq) |
| { |
| unsigned int val, realfreq, pllreg; |
| struct pcxhr_rmh rmh; |
| int err; |
| |
| realfreq = rate; |
| switch (mgr->use_clock_type) { |
| case PCXHR_CLOCK_TYPE_INTERNAL : /* clock by quartz or pll */ |
| switch (rate) { |
| case 48000 : val = PCXHR_FREQ_QUARTZ_48000; break; |
| case 24000 : val = PCXHR_FREQ_QUARTZ_24000; break; |
| case 12000 : val = PCXHR_FREQ_QUARTZ_12000; break; |
| case 32000 : val = PCXHR_FREQ_QUARTZ_32000; break; |
| case 16000 : val = PCXHR_FREQ_QUARTZ_16000; break; |
| case 8000 : val = PCXHR_FREQ_QUARTZ_8000; break; |
| case 44100 : val = PCXHR_FREQ_QUARTZ_44100; break; |
| case 22050 : val = PCXHR_FREQ_QUARTZ_22050; break; |
| case 11025 : val = PCXHR_FREQ_QUARTZ_11025; break; |
| case 192000 : val = PCXHR_FREQ_QUARTZ_192000; break; |
| case 96000 : val = PCXHR_FREQ_QUARTZ_96000; break; |
| case 176400 : val = PCXHR_FREQ_QUARTZ_176400; break; |
| case 88200 : val = PCXHR_FREQ_QUARTZ_88200; break; |
| case 128000 : val = PCXHR_FREQ_QUARTZ_128000; break; |
| case 64000 : val = PCXHR_FREQ_QUARTZ_64000; break; |
| default : |
| val = PCXHR_FREQ_PLL; |
| /* get the value for the pll register */ |
| err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq); |
| if (err) |
| return err; |
| pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); |
| rmh.cmd[0] |= IO_NUM_REG_GENCLK; |
| rmh.cmd[1] = pllreg & MASK_DSP_WORD; |
| rmh.cmd[2] = pllreg >> 24; |
| rmh.cmd_len = 3; |
| err = pcxhr_send_msg(mgr, &rmh); |
| if (err < 0) { |
| snd_printk(KERN_ERR |
| "error CMD_ACCESS_IO_WRITE " |
| "for PLL register : %x!\n", err); |
| return err; |
| } |
| } |
| break; |
| case PCXHR_CLOCK_TYPE_WORD_CLOCK: |
| val = PCXHR_FREQ_WORD_CLOCK; |
| break; |
| case PCXHR_CLOCK_TYPE_AES_SYNC: |
| val = PCXHR_FREQ_SYNC_AES; |
| break; |
| case PCXHR_CLOCK_TYPE_AES_1: |
| val = PCXHR_FREQ_AES_1; |
| break; |
| case PCXHR_CLOCK_TYPE_AES_2: |
| val = PCXHR_FREQ_AES_2; |
| break; |
| case PCXHR_CLOCK_TYPE_AES_3: |
| val = PCXHR_FREQ_AES_3; |
| break; |
| case PCXHR_CLOCK_TYPE_AES_4: |
| val = PCXHR_FREQ_AES_4; |
| break; |
| default: |
| return -EINVAL; |
| } |
| *reg = val; |
| *freq = realfreq; |
| return 0; |
| } |
| |
| |
| static int pcxhr_sub_set_clock(struct pcxhr_mgr *mgr, |
| unsigned int rate, |
| int *changed) |
| { |
| unsigned int val, realfreq, speed; |
| struct pcxhr_rmh rmh; |
| int err; |
| |
| err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq); |
| if (err) |
| return err; |
| |
| /* codec speed modes */ |
| if (rate < 55000) |
| speed = 0; /* single speed */ |
| else if (rate < 100000) |
| speed = 1; /* dual speed */ |
| else |
| speed = 2; /* quad speed */ |
| if (mgr->codec_speed != speed) { |
| pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */ |
| rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT; |
| if (DSP_EXT_CMD_SET(mgr)) { |
| rmh.cmd[1] = 1; |
| rmh.cmd_len = 2; |
| } |
| err = pcxhr_send_msg(mgr, &rmh); |
| if (err) |
| return err; |
| |
| pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */ |
| rmh.cmd[0] |= IO_NUM_SPEED_RATIO; |
| rmh.cmd[1] = speed; |
| rmh.cmd_len = 2; |
| err = pcxhr_send_msg(mgr, &rmh); |
| if (err) |
| return err; |
| } |
| /* set the new frequency */ |
| snd_printdd("clock register : set %x\n", val); |
| err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK, |
| val, changed); |
| if (err) |
| return err; |
| |
| mgr->sample_rate_real = realfreq; |
| mgr->cur_clock_type = mgr->use_clock_type; |
| |
| /* unmute after codec speed modes */ |
| if (mgr->codec_speed != speed) { |
| pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */ |
| rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT; |
| if (DSP_EXT_CMD_SET(mgr)) { |
| rmh.cmd[1] = 1; |
| rmh.cmd_len = 2; |
| } |
| err = pcxhr_send_msg(mgr, &rmh); |
| if (err) |
| return err; |
| mgr->codec_speed = speed; /* save new codec speed */ |
| } |
| |
| snd_printdd("pcxhr_sub_set_clock to %dHz (realfreq=%d)\n", |
| rate, realfreq); |
| return 0; |
| } |
| |
| #define PCXHR_MODIFY_CLOCK_S_BIT 0x04 |
| |
| #define PCXHR_IRQ_TIMER_FREQ 92000 |
| #define PCXHR_IRQ_TIMER_PERIOD 48 |
| |
| int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate) |
| { |
| struct pcxhr_rmh rmh; |
| int err, changed; |
| |
| if (rate == 0) |
| return 0; /* nothing to do */ |
| |
| if (mgr->is_hr_stereo) |
| err = hr222_sub_set_clock(mgr, rate, &changed); |
| else |
| err = pcxhr_sub_set_clock(mgr, rate, &changed); |
| |
| if (err) |
| return err; |
| |
| if (changed) { |
| pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK); |
| rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos */ |
| if (rate < PCXHR_IRQ_TIMER_FREQ) |
| rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD; |
| else |
| rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2; |
| rmh.cmd[2] = rate; |
| rmh.cmd_len = 3; |
| err = pcxhr_send_msg(mgr, &rmh); |
| if (err) |
| return err; |
| } |
| return 0; |
| } |
| |
| |
| static int pcxhr_sub_get_external_clock(struct pcxhr_mgr *mgr, |
| enum pcxhr_clock_type clock_type, |
| int *sample_rate) |
| { |
| struct pcxhr_rmh rmh; |
| unsigned char reg; |
| int err, rate; |
| |
| switch (clock_type) { |
| case PCXHR_CLOCK_TYPE_WORD_CLOCK: |
| reg = REG_STATUS_WORD_CLOCK; |
| break; |
| case PCXHR_CLOCK_TYPE_AES_SYNC: |
| reg = REG_STATUS_AES_SYNC; |
| break; |
| case PCXHR_CLOCK_TYPE_AES_1: |
| reg = REG_STATUS_AES_1; |
| break; |
| case PCXHR_CLOCK_TYPE_AES_2: |
| reg = REG_STATUS_AES_2; |
| break; |
| case PCXHR_CLOCK_TYPE_AES_3: |
| reg = REG_STATUS_AES_3; |
| break; |
| case PCXHR_CLOCK_TYPE_AES_4: |
| reg = REG_STATUS_AES_4; |
| break; |
| default: |
| return -EINVAL; |
| } |
| pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); |
| rmh.cmd_len = 2; |
| rmh.cmd[0] |= IO_NUM_REG_STATUS; |
| if (mgr->last_reg_stat != reg) { |
| rmh.cmd[1] = reg; |
| err = pcxhr_send_msg(mgr, &rmh); |
| if (err) |
| return err; |
| udelay(100); /* wait minimum 2 sample_frames at 32kHz ! */ |
| mgr->last_reg_stat = reg; |
| } |
| rmh.cmd[1] = REG_STATUS_CURRENT; |
| err = pcxhr_send_msg(mgr, &rmh); |
| if (err) |
| return err; |
| switch (rmh.stat[1] & 0x0f) { |
| case REG_STATUS_SYNC_32000 : rate = 32000; break; |
| case REG_STATUS_SYNC_44100 : rate = 44100; break; |
| case REG_STATUS_SYNC_48000 : rate = 48000; break; |
| case REG_STATUS_SYNC_64000 : rate = 64000; break; |
| case REG_STATUS_SYNC_88200 : rate = 88200; break; |
| case REG_STATUS_SYNC_96000 : rate = 96000; break; |
| case REG_STATUS_SYNC_128000 : rate = 128000; break; |
| case REG_STATUS_SYNC_176400 : rate = 176400; break; |
| case REG_STATUS_SYNC_192000 : rate = 192000; break; |
| default: rate = 0; |
| } |
| snd_printdd("External clock is at %d Hz\n", rate); |
| *sample_rate = rate; |
| return 0; |
| } |
| |
| |
| int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, |
| enum pcxhr_clock_type clock_type, |
| int *sample_rate) |
| { |
| if (mgr->is_hr_stereo) |
| return hr222_get_external_clock(mgr, clock_type, |
| sample_rate); |
| else |
| return pcxhr_sub_get_external_clock(mgr, clock_type, |
| sample_rate); |
| } |
| |
| /* |
| * start or stop playback/capture substream |
| */ |
| static int pcxhr_set_stream_state(struct pcxhr_stream *stream) |
| { |
| int err; |
| struct snd_pcxhr *chip; |
| struct pcxhr_rmh rmh; |
| int stream_mask, start; |
| |
| if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) |
| start = 1; |
| else { |
| if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) { |
| snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state " |
| "CANNOT be stopped\n"); |
| return -EINVAL; |
| } |
| start = 0; |
| } |
| if (!stream->substream) |
| return -EINVAL; |
| |
| stream->timer_abs_periods = 0; |
| stream->timer_period_frag = 0; /* reset theoretical stream pos */ |
| stream->timer_buf_periods = 0; |
| stream->timer_is_synced = 0; |
| |
| stream_mask = |
| stream->pipe->is_capture ? 1 : 1<<stream->substream->number; |
| |
| pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM); |
| pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, |
| stream->pipe->first_audio, 0, stream_mask); |
| |
| chip = snd_pcm_substream_chip(stream->substream); |
| |
| err = pcxhr_send_msg(chip->mgr, &rmh); |
| if (err) |
| snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state err=%x;\n", |
| err); |
| stream->status = |
| start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED; |
| return err; |
| } |
| |
| #define HEADER_FMT_BASE_LIN 0xfed00000 |
| #define HEADER_FMT_BASE_FLOAT 0xfad00000 |
| #define HEADER_FMT_INTEL 0x00008000 |
| #define HEADER_FMT_24BITS 0x00004000 |
| #define HEADER_FMT_16BITS 0x00002000 |
| #define HEADER_FMT_UPTO11 0x00000200 |
| #define HEADER_FMT_UPTO32 0x00000100 |
| #define HEADER_FMT_MONO 0x00000080 |
| |
| static int pcxhr_set_format(struct pcxhr_stream *stream) |
| { |
| int err, is_capture, sample_rate, stream_num; |
| struct snd_pcxhr *chip; |
| struct pcxhr_rmh rmh; |
| unsigned int header; |
| |
| switch (stream->format) { |
| case SNDRV_PCM_FORMAT_U8: |
| header = HEADER_FMT_BASE_LIN; |
| break; |
| case SNDRV_PCM_FORMAT_S16_LE: |
| header = HEADER_FMT_BASE_LIN | |
| HEADER_FMT_16BITS | HEADER_FMT_INTEL; |
| break; |
| case SNDRV_PCM_FORMAT_S16_BE: |
| header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS; |
| break; |
| case SNDRV_PCM_FORMAT_S24_3LE: |
| header = HEADER_FMT_BASE_LIN | |
| HEADER_FMT_24BITS | HEADER_FMT_INTEL; |
| break; |
| case SNDRV_PCM_FORMAT_S24_3BE: |
| header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS; |
| break; |
| case SNDRV_PCM_FORMAT_FLOAT_LE: |
| header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL; |
| break; |
| default: |
| snd_printk(KERN_ERR |
| "error pcxhr_set_format() : unknown format\n"); |
| return -EINVAL; |
| } |
| chip = snd_pcm_substream_chip(stream->substream); |
| |
| sample_rate = chip->mgr->sample_rate; |
| if (sample_rate <= 32000 && sample_rate !=0) { |
| if (sample_rate <= 11025) |
| header |= HEADER_FMT_UPTO11; |
| else |
| header |= HEADER_FMT_UPTO32; |
| } |
| if (stream->channels == 1) |
| header |= HEADER_FMT_MONO; |
| |
| is_capture = stream->pipe->is_capture; |
| stream_num = is_capture ? 0 : stream->substream->number; |
| |
| pcxhr_init_rmh(&rmh, is_capture ? |
| CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT); |
| pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, |
| stream_num, 0); |
| if (is_capture) { |
| /* bug with old dsp versions: */ |
| /* bit 12 also sets the format of the playback stream */ |
| if (DSP_EXT_CMD_SET(chip->mgr)) |
| rmh.cmd[0] |= 1<<10; |
| else |
| rmh.cmd[0] |= 1<<12; |
| } |
| rmh.cmd[1] = 0; |
| rmh.cmd_len = 2; |
| if (DSP_EXT_CMD_SET(chip->mgr)) { |
| /* add channels and set bit 19 if channels>2 */ |
| rmh.cmd[1] = stream->channels; |
| if (!is_capture) { |
| /* playback : add channel mask to command */ |
| rmh.cmd[2] = (stream->channels == 1) ? 0x01 : 0x03; |
| rmh.cmd_len = 3; |
| } |
| } |
| rmh.cmd[rmh.cmd_len++] = header >> 8; |
| rmh.cmd[rmh.cmd_len++] = (header & 0xff) << 16; |
| err = pcxhr_send_msg(chip->mgr, &rmh); |
| if (err) |
| snd_printk(KERN_ERR "ERROR pcxhr_set_format err=%x;\n", err); |
| return err; |
| } |
| |
| static int pcxhr_update_r_buffer(struct pcxhr_stream *stream) |
| { |
| int err, is_capture, stream_num; |
| struct pcxhr_rmh rmh; |
| struct snd_pcm_substream *subs = stream->substream; |
| struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); |
| |
| is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE); |
| stream_num = is_capture ? 0 : subs->number; |
| |
| snd_printdd("pcxhr_update_r_buffer(pcm%c%d) : " |
| "addr(%p) bytes(%zx) subs(%d)\n", |
| is_capture ? 'c' : 'p', |
| chip->chip_idx, (void *)(long)subs->runtime->dma_addr, |
| subs->runtime->dma_bytes, subs->number); |
| |
| pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS); |
| pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, |
| stream_num, 0); |
| |
| /* max buffer size is 2 MByte */ |
| snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000); |
| /* size in bits */ |
| rmh.cmd[1] = subs->runtime->dma_bytes * 8; |
| /* most significant byte */ |
| rmh.cmd[2] = subs->runtime->dma_addr >> 24; |
| /* this is a circular buffer */ |
| rmh.cmd[2] |= 1<<19; |
| /* least 3 significant bytes */ |
| rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD; |
| rmh.cmd_len = 4; |
| err = pcxhr_send_msg(chip->mgr, &rmh); |
| if (err) |
| snd_printk(KERN_ERR |
| "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err); |
| return err; |
| } |
| |
| |
| #if 0 |
| static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream, |
| snd_pcm_uframes_t *sample_count) |
| { |
| struct pcxhr_rmh rmh; |
| int err; |
| pcxhr_t *chip = snd_pcm_substream_chip(stream->substream); |
| pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT); |
| pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0, |
| 1<<stream->pipe->first_audio); |
| err = pcxhr_send_msg(chip->mgr, &rmh); |
| if (err == 0) { |
| *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24; |
| *sample_count += (snd_pcm_uframes_t)rmh.stat[1]; |
| } |
| snd_printdd("PIPE_SAMPLE_COUNT = %lx\n", *sample_count); |
| return err; |
| } |
| #endif |
| |
| static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream, |
| struct pcxhr_pipe **pipe) |
| { |
| if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) { |
| *pipe = stream->pipe; |
| return 1; |
| } |
| return 0; |
| } |
| |
| static void pcxhr_trigger_tasklet(unsigned long arg) |
| { |
| unsigned long flags; |
| int i, j, err; |
| struct pcxhr_pipe *pipe; |
| struct snd_pcxhr *chip; |
| struct pcxhr_mgr *mgr = (struct pcxhr_mgr*)(arg); |
| int capture_mask = 0; |
| int playback_mask = 0; |
| |
| #ifdef CONFIG_SND_DEBUG_VERBOSE |
| struct timeval my_tv1, my_tv2; |
| do_gettimeofday(&my_tv1); |
| #endif |
| mutex_lock(&mgr->setup_mutex); |
| |
| /* check the pipes concerned and build pipe_array */ |
| for (i = 0; i < mgr->num_cards; i++) { |
| chip = mgr->chip[i]; |
| for (j = 0; j < chip->nb_streams_capt; j++) { |
| if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe)) |
| capture_mask |= (1 << pipe->first_audio); |
| } |
| for (j = 0; j < chip->nb_streams_play; j++) { |
| if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) { |
| playback_mask |= (1 << pipe->first_audio); |
| break; /* add only once, as all playback |
| * streams of one chip use the same pipe |
| */ |
| } |
| } |
| } |
| if (capture_mask == 0 && playback_mask == 0) { |
| mutex_unlock(&mgr->setup_mutex); |
| snd_printk(KERN_ERR "pcxhr_trigger_tasklet : no pipes\n"); |
| return; |
| } |
| |
| snd_printdd("pcxhr_trigger_tasklet : " |
| "playback_mask=%x capture_mask=%x\n", |
| playback_mask, capture_mask); |
| |
| /* synchronous stop of all the pipes concerned */ |
| err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0); |
| if (err) { |
| mutex_unlock(&mgr->setup_mutex); |
| snd_printk(KERN_ERR "pcxhr_trigger_tasklet : " |
| "error stop pipes (P%x C%x)\n", |
| playback_mask, capture_mask); |
| return; |
| } |
| |
| /* the dsp lost format and buffer info with the stop pipe */ |
| for (i = 0; i < mgr->num_cards; i++) { |
| struct pcxhr_stream *stream; |
| chip = mgr->chip[i]; |
| for (j = 0; j < chip->nb_streams_capt; j++) { |
| stream = &chip->capture_stream[j]; |
| if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) { |
| err = pcxhr_set_format(stream); |
| err = pcxhr_update_r_buffer(stream); |
| } |
| } |
| for (j = 0; j < chip->nb_streams_play; j++) { |
| stream = &chip->playback_stream[j]; |
| if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) { |
| err = pcxhr_set_format(stream); |
| err = pcxhr_update_r_buffer(stream); |
| } |
| } |
| } |
| /* start all the streams */ |
| for (i = 0; i < mgr->num_cards; i++) { |
| struct pcxhr_stream *stream; |
| chip = mgr->chip[i]; |
| for (j = 0; j < chip->nb_streams_capt; j++) { |
| stream = &chip->capture_stream[j]; |
| if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) |
| err = pcxhr_set_stream_state(stream); |
| } |
| for (j = 0; j < chip->nb_streams_play; j++) { |
| stream = &chip->playback_stream[j]; |
| if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) |
| err = pcxhr_set_stream_state(stream); |
| } |
| } |
| |
| /* synchronous start of all the pipes concerned */ |
| err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1); |
| if (err) { |
| mutex_unlock(&mgr->setup_mutex); |
| snd_printk(KERN_ERR "pcxhr_trigger_tasklet : " |
| "error start pipes (P%x C%x)\n", |
| playback_mask, capture_mask); |
| return; |
| } |
| |
| /* put the streams into the running state now |
| * (increment pointer by interrupt) |
| */ |
| spin_lock_irqsave(&mgr->lock, flags); |
| for ( i =0; i < mgr->num_cards; i++) { |
| struct pcxhr_stream *stream; |
| chip = mgr->chip[i]; |
| for(j = 0; j < chip->nb_streams_capt; j++) { |
| stream = &chip->capture_stream[j]; |
| if(stream->status == PCXHR_STREAM_STATUS_STARTED) |
| stream->status = PCXHR_STREAM_STATUS_RUNNING; |
| } |
| for (j = 0; j < chip->nb_streams_play; j++) { |
| stream = &chip->playback_stream[j]; |
| if (stream->status == PCXHR_STREAM_STATUS_STARTED) { |
| /* playback will already have advanced ! */ |
| stream->timer_period_frag += mgr->granularity; |
| stream->status = PCXHR_STREAM_STATUS_RUNNING; |
| } |
| } |
| } |
| spin_unlock_irqrestore(&mgr->lock, flags); |
| |
| mutex_unlock(&mgr->setup_mutex); |
| |
| #ifdef CONFIG_SND_DEBUG_VERBOSE |
| do_gettimeofday(&my_tv2); |
| snd_printdd("***TRIGGER TASKLET*** TIME = %ld (err = %x)\n", |
| (long)(my_tv2.tv_usec - my_tv1.tv_usec), err); |
| #endif |
| } |
| |
| |
| /* |
| * trigger callback |
| */ |
| static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd) |
| { |
| struct pcxhr_stream *stream; |
| struct snd_pcm_substream *s; |
| |
| switch (cmd) { |
| case SNDRV_PCM_TRIGGER_START: |
| snd_printdd("SNDRV_PCM_TRIGGER_START\n"); |
| if (snd_pcm_stream_linked(subs)) { |
| struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); |
| snd_pcm_group_for_each_entry(s, subs) { |
| if (snd_pcm_substream_chip(s) != chip) |
| continue; |
| stream = s->runtime->private_data; |
| stream->status = |
| PCXHR_STREAM_STATUS_SCHEDULE_RUN; |
| snd_pcm_trigger_done(s, subs); |
| } |
| tasklet_schedule(&chip->mgr->trigger_taskq); |
| } else { |
| stream = subs->runtime->private_data; |
| snd_printdd("Only one Substream %c %d\n", |
| stream->pipe->is_capture ? 'C' : 'P', |
| stream->pipe->first_audio); |
| if (pcxhr_set_format(stream)) |
| return -EINVAL; |
| if (pcxhr_update_r_buffer(stream)) |
| return -EINVAL; |
| |
| stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN; |
| if (pcxhr_set_stream_state(stream)) |
| return -EINVAL; |
| stream->status = PCXHR_STREAM_STATUS_RUNNING; |
| } |
| break; |
| case SNDRV_PCM_TRIGGER_STOP: |
| snd_printdd("SNDRV_PCM_TRIGGER_STOP\n"); |
| snd_pcm_group_for_each_entry(s, subs) { |
| stream = s->runtime->private_data; |
| stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP; |
| if (pcxhr_set_stream_state(stream)) |
| return -EINVAL; |
| snd_pcm_trigger_done(s, subs); |
| } |
| break; |
| case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| /* TODO */ |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| |
| static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start) |
| { |
| struct pcxhr_rmh rmh; |
| int err; |
| |
| pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT); |
| if (start) { |
| /* last dsp time invalid */ |
| mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID; |
| rmh.cmd[0] |= mgr->granularity; |
| } |
| err = pcxhr_send_msg(mgr, &rmh); |
| if (err < 0) |
| snd_printk(KERN_ERR "error pcxhr_hardware_timer err(%x)\n", |
| err); |
| return err; |
| } |
| |
| /* |
| * prepare callback for all pcms |
| */ |
| static int pcxhr_prepare(struct snd_pcm_substream *subs) |
| { |
| struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); |
| struct pcxhr_mgr *mgr = chip->mgr; |
| int err = 0; |
| |
| snd_printdd("pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n", |
| subs->runtime->period_size, subs->runtime->periods, |
| subs->runtime->buffer_size); |
| |
| mutex_lock(&mgr->setup_mutex); |
| |
| do { |
| /* only the first stream can choose the sample rate */ |
| /* set the clock only once (first stream) */ |
| if (mgr->sample_rate != subs->runtime->rate) { |
| err = pcxhr_set_clock(mgr, subs->runtime->rate); |
| if (err) |
| break; |
| if (mgr->sample_rate == 0) |
| /* start the DSP-timer */ |
| err = pcxhr_hardware_timer(mgr, 1); |
| mgr->sample_rate = subs->runtime->rate; |
| } |
| } while(0); /* do only once (so we can use break instead of goto) */ |
| |
| mutex_unlock(&mgr->setup_mutex); |
| |
| return err; |
| } |
| |
| |
| /* |
| * HW_PARAMS callback for all pcms |
| */ |
| static int pcxhr_hw_params(struct snd_pcm_substream *subs, |
| struct snd_pcm_hw_params *hw) |
| { |
| struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); |
| struct pcxhr_mgr *mgr = chip->mgr; |
| struct pcxhr_stream *stream = subs->runtime->private_data; |
| snd_pcm_format_t format; |
| int err; |
| int channels; |
| |
| /* set up channels */ |
| channels = params_channels(hw); |
| |
| /* set up format for the stream */ |
| format = params_format(hw); |
| |
| mutex_lock(&mgr->setup_mutex); |
| |
| stream->channels = channels; |
| stream->format = format; |
| |
| /* allocate buffer */ |
| err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw)); |
| |
| mutex_unlock(&mgr->setup_mutex); |
| |
| return err; |
| } |
| |
| static int pcxhr_hw_free(struct snd_pcm_substream *subs) |
| { |
| snd_pcm_lib_free_pages(subs); |
| return 0; |
| } |
| |
| |
| /* |
| * CONFIGURATION SPACE for all pcms, mono pcm must update channels_max |
| */ |
| static struct snd_pcm_hardware pcxhr_caps = |
| { |
| .info = (SNDRV_PCM_INFO_MMAP | |
| SNDRV_PCM_INFO_INTERLEAVED | |
| SNDRV_PCM_INFO_MMAP_VALID | |
| SNDRV_PCM_INFO_SYNC_START), |
| .formats = (SNDRV_PCM_FMTBIT_U8 | |
| SNDRV_PCM_FMTBIT_S16_LE | |
| SNDRV_PCM_FMTBIT_S16_BE | |
| SNDRV_PCM_FMTBIT_S24_3LE | |
| SNDRV_PCM_FMTBIT_S24_3BE | |
| SNDRV_PCM_FMTBIT_FLOAT_LE), |
| .rates = (SNDRV_PCM_RATE_CONTINUOUS | |
| SNDRV_PCM_RATE_8000_192000), |
| .rate_min = 8000, |
| .rate_max = 192000, |
| .channels_min = 1, |
| .channels_max = 2, |
| .buffer_bytes_max = (32*1024), |
| /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */ |
| .period_bytes_min = (2*PCXHR_GRANULARITY), |
| .period_bytes_max = (16*1024), |
| .periods_min = 2, |
| .periods_max = (32*1024/PCXHR_GRANULARITY), |
| }; |
| |
| |
| static int pcxhr_open(struct snd_pcm_substream *subs) |
| { |
| struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); |
| struct pcxhr_mgr *mgr = chip->mgr; |
| struct snd_pcm_runtime *runtime = subs->runtime; |
| struct pcxhr_stream *stream; |
| int err; |
| |
| mutex_lock(&mgr->setup_mutex); |
| |
| /* copy the struct snd_pcm_hardware struct */ |
| runtime->hw = pcxhr_caps; |
| |
| if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) { |
| snd_printdd("pcxhr_open playback chip%d subs%d\n", |
| chip->chip_idx, subs->number); |
| stream = &chip->playback_stream[subs->number]; |
| } else { |
| snd_printdd("pcxhr_open capture chip%d subs%d\n", |
| chip->chip_idx, subs->number); |
| if (mgr->mono_capture) |
| runtime->hw.channels_max = 1; |
| else |
| runtime->hw.channels_min = 2; |
| stream = &chip->capture_stream[subs->number]; |
| } |
| if (stream->status != PCXHR_STREAM_STATUS_FREE){ |
| /* streams in use */ |
| snd_printk(KERN_ERR "pcxhr_open chip%d subs%d in use\n", |
| chip->chip_idx, subs->number); |
| mutex_unlock(&mgr->setup_mutex); |
| return -EBUSY; |
| } |
| |
| /* float format support is in some cases buggy on stereo cards */ |
| if (mgr->is_hr_stereo) |
| runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_FLOAT_LE; |
| |
| /* buffer-size should better be multiple of period-size */ |
| err = snd_pcm_hw_constraint_integer(runtime, |
| SNDRV_PCM_HW_PARAM_PERIODS); |
| if (err < 0) { |
| mutex_unlock(&mgr->setup_mutex); |
| return err; |
| } |
| |
| /* if a sample rate is already used or fixed by external clock, |
| * the stream cannot change |
| */ |
| if (mgr->sample_rate) |
| runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; |
| else { |
| if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) { |
| int external_rate; |
| if (pcxhr_get_external_clock(mgr, mgr->use_clock_type, |
| &external_rate) || |
| external_rate == 0) { |
| /* cannot detect the external clock rate */ |
| mutex_unlock(&mgr->setup_mutex); |
| return -EBUSY; |
| } |
| runtime->hw.rate_min = external_rate; |
| runtime->hw.rate_max = external_rate; |
| } |
| } |
| |
| stream->status = PCXHR_STREAM_STATUS_OPEN; |
| stream->substream = subs; |
| stream->channels = 0; /* not configured yet */ |
| |
| runtime->private_data = stream; |
| |
| /* better get a divisor of granularity values (96 or 192) */ |
| snd_pcm_hw_constraint_step(runtime, 0, |
| SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32); |
| snd_pcm_hw_constraint_step(runtime, 0, |
| SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32); |
| snd_pcm_set_sync(subs); |
| |
| mgr->ref_count_rate++; |
| |
| mutex_unlock(&mgr->setup_mutex); |
| return 0; |
| } |
| |
| |
| static int pcxhr_close(struct snd_pcm_substream *subs) |
| { |
| struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); |
| struct pcxhr_mgr *mgr = chip->mgr; |
| struct pcxhr_stream *stream = subs->runtime->private_data; |
| |
| mutex_lock(&mgr->setup_mutex); |
| |
| snd_printdd("pcxhr_close chip%d subs%d\n", |
| chip->chip_idx, subs->number); |
| |
| /* sample rate released */ |
| if (--mgr->ref_count_rate == 0) { |
| mgr->sample_rate = 0; /* the sample rate is no more locked */ |
| pcxhr_hardware_timer(mgr, 0); /* stop the DSP-timer */ |
| } |
| |
| stream->status = PCXHR_STREAM_STATUS_FREE; |
| stream->substream = NULL; |
| |
| mutex_unlock(&mgr->setup_mutex); |
| |
| return 0; |
| } |
| |
| |
| static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs) |
| { |
| unsigned long flags; |
| u_int32_t timer_period_frag; |
| int timer_buf_periods; |
| struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); |
| struct snd_pcm_runtime *runtime = subs->runtime; |
| struct pcxhr_stream *stream = runtime->private_data; |
| |
| spin_lock_irqsave(&chip->mgr->lock, flags); |
| |
| /* get the period fragment and the nb of periods in the buffer */ |
| timer_period_frag = stream->timer_period_frag; |
| timer_buf_periods = stream->timer_buf_periods; |
| |
| spin_unlock_irqrestore(&chip->mgr->lock, flags); |
| |
| return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) + |
| timer_period_frag); |
| } |
| |
| |
| static struct snd_pcm_ops pcxhr_ops = { |
| .open = pcxhr_open, |
| .close = pcxhr_close, |
| .ioctl = snd_pcm_lib_ioctl, |
| .prepare = pcxhr_prepare, |
| .hw_params = pcxhr_hw_params, |
| .hw_free = pcxhr_hw_free, |
| .trigger = pcxhr_trigger, |
| .pointer = pcxhr_stream_pointer, |
| }; |
| |
| /* |
| */ |
| int pcxhr_create_pcm(struct snd_pcxhr *chip) |
| { |
| int err; |
| struct snd_pcm *pcm; |
| char name[32]; |
| |
| sprintf(name, "pcxhr %d", chip->chip_idx); |
| if ((err = snd_pcm_new(chip->card, name, 0, |
| chip->nb_streams_play, |
| chip->nb_streams_capt, &pcm)) < 0) { |
| snd_printk(KERN_ERR "cannot create pcm %s\n", name); |
| return err; |
| } |
| pcm->private_data = chip; |
| |
| if (chip->nb_streams_play) |
| snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops); |
| if (chip->nb_streams_capt) |
| snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops); |
| |
| pcm->info_flags = 0; |
| strcpy(pcm->name, name); |
| |
| snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
| snd_dma_pci_data(chip->mgr->pci), |
| 32*1024, 32*1024); |
| chip->pcm = pcm; |
| return 0; |
| } |
| |
| static int pcxhr_chip_free(struct snd_pcxhr *chip) |
| { |
| kfree(chip); |
| return 0; |
| } |
| |
| static int pcxhr_chip_dev_free(struct snd_device *device) |
| { |
| struct snd_pcxhr *chip = device->device_data; |
| return pcxhr_chip_free(chip); |
| } |
| |
| |
| /* |
| */ |
| static int __devinit pcxhr_create(struct pcxhr_mgr *mgr, |
| struct snd_card *card, int idx) |
| { |
| int err; |
| struct snd_pcxhr *chip; |
| static struct snd_device_ops ops = { |
| .dev_free = pcxhr_chip_dev_free, |
| }; |
| |
| chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
| if (! chip) { |
| snd_printk(KERN_ERR "cannot allocate chip\n"); |
| return -ENOMEM; |
| } |
| |
| chip->card = card; |
| chip->chip_idx = idx; |
| chip->mgr = mgr; |
| |
| if (idx < mgr->playback_chips) |
| /* stereo or mono streams */ |
| chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS; |
| |
| if (idx < mgr->capture_chips) { |
| if (mgr->mono_capture) |
| chip->nb_streams_capt = 2; /* 2 mono streams */ |
| else |
| chip->nb_streams_capt = 1; /* or 1 stereo stream */ |
| } |
| |
| if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { |
| pcxhr_chip_free(chip); |
| return err; |
| } |
| |
| mgr->chip[idx] = chip; |
| snd_card_set_dev(card, &mgr->pci->dev); |
| |
| return 0; |
| } |
| |
| /* proc interface */ |
| static void pcxhr_proc_info(struct snd_info_entry *entry, |
| struct snd_info_buffer *buffer) |
| { |
| struct snd_pcxhr *chip = entry->private_data; |
| struct pcxhr_mgr *mgr = chip->mgr; |
| |
| snd_iprintf(buffer, "\n%s\n", mgr->longname); |
| |
| /* stats available when embedded DSP is running */ |
| if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) { |
| struct pcxhr_rmh rmh; |
| short ver_maj = (mgr->dsp_version >> 16) & 0xff; |
| short ver_min = (mgr->dsp_version >> 8) & 0xff; |
| short ver_build = mgr->dsp_version & 0xff; |
| snd_iprintf(buffer, "module version %s\n", |
| PCXHR_DRIVER_VERSION_STRING); |
| snd_iprintf(buffer, "dsp version %d.%d.%d\n", |
| ver_maj, ver_min, ver_build); |
| if (mgr->board_has_analog) |
| snd_iprintf(buffer, "analog io available\n"); |
| else |
| snd_iprintf(buffer, "digital only board\n"); |
| |
| /* calc cpu load of the dsp */ |
| pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES); |
| if( ! pcxhr_send_msg(mgr, &rmh) ) { |
| int cur = rmh.stat[0]; |
| int ref = rmh.stat[1]; |
| if (ref > 0) { |
| if (mgr->sample_rate_real != 0 && |
| mgr->sample_rate_real != 48000) { |
| ref = (ref * 48000) / |
| mgr->sample_rate_real; |
| if (mgr->sample_rate_real >= |
| PCXHR_IRQ_TIMER_FREQ) |
| ref *= 2; |
| } |
| cur = 100 - (100 * cur) / ref; |
| snd_iprintf(buffer, "cpu load %d%%\n", cur); |
| snd_iprintf(buffer, "buffer pool %d/%d\n", |
| rmh.stat[2], rmh.stat[3]); |
| } |
| } |
| snd_iprintf(buffer, "dma granularity : %d\n", |
| mgr->granularity); |
| snd_iprintf(buffer, "dsp time errors : %d\n", |
| mgr->dsp_time_err); |
| snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n", |
| mgr->async_err_pipe_xrun); |
| snd_iprintf(buffer, "dsp async stream xrun errors : %d\n", |
| mgr->async_err_stream_xrun); |
| snd_iprintf(buffer, "dsp async last other error : %x\n", |
| mgr->async_err_other_last); |
| /* debug zone dsp */ |
| rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS; |
| rmh.cmd_len = 1; |
| rmh.stat_len = PCXHR_SIZE_MAX_STATUS; |
| rmh.dsp_stat = 0; |
| rmh.cmd_idx = CMD_LAST_INDEX; |
| if( ! pcxhr_send_msg(mgr, &rmh) ) { |
| int i; |
| if (rmh.stat_len > 8) |
| rmh.stat_len = 8; |
| for (i = 0; i < rmh.stat_len; i++) |
| snd_iprintf(buffer, "debug[%02d] = %06x\n", |
| i, rmh.stat[i]); |
| } |
| } else |
| snd_iprintf(buffer, "no firmware loaded\n"); |
| snd_iprintf(buffer, "\n"); |
| } |
| static void pcxhr_proc_sync(struct snd_info_entry *entry, |
| struct snd_info_buffer *buffer) |
| { |
| struct snd_pcxhr *chip = entry->private_data; |
| struct pcxhr_mgr *mgr = chip->mgr; |
| static const char *textsHR22[3] = { |
| "Internal", "AES Sync", "AES 1" |
| }; |
| static const char *textsPCXHR[7] = { |
| "Internal", "Word", "AES Sync", |
| "AES 1", "AES 2", "AES 3", "AES 4" |
| }; |
| const char **texts; |
| int max_clock; |
| if (mgr->is_hr_stereo) { |
| texts = textsHR22; |
| max_clock = HR22_CLOCK_TYPE_MAX; |
| } else { |
| texts = textsPCXHR; |
| max_clock = PCXHR_CLOCK_TYPE_MAX; |
| } |
| |
| snd_iprintf(buffer, "\n%s\n", mgr->longname); |
| snd_iprintf(buffer, "Current Sample Clock\t: %s\n", |
| texts[mgr->cur_clock_type]); |
| snd_iprintf(buffer, "Current Sample Rate\t= %d\n", |
| mgr->sample_rate_real); |
| /* commands available when embedded DSP is running */ |
| if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) { |
| int i, err, sample_rate; |
| for (i = 1; i <= max_clock; i++) { |
| err = pcxhr_get_external_clock(mgr, i, &sample_rate); |
| if (err) |
| break; |
| snd_iprintf(buffer, "%s Clock\t\t= %d\n", |
| texts[i], sample_rate); |
| } |
| } else |
| snd_iprintf(buffer, "no firmware loaded\n"); |
| snd_iprintf(buffer, "\n"); |
| } |
| |
| static void pcxhr_proc_gpio_read(struct snd_info_entry *entry, |
| struct snd_info_buffer *buffer) |
| { |
| struct snd_pcxhr *chip = entry->private_data; |
| struct pcxhr_mgr *mgr = chip->mgr; |
| /* commands available when embedded DSP is running */ |
| if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) { |
| /* gpio ports on stereo boards only available */ |
| int value = 0; |
| hr222_read_gpio(mgr, 1, &value); /* GPI */ |
| snd_iprintf(buffer, "GPI: 0x%x\n", value); |
| hr222_read_gpio(mgr, 0, &value); /* GP0 */ |
| snd_iprintf(buffer, "GPO: 0x%x\n", value); |
| } else |
| snd_iprintf(buffer, "no firmware loaded\n"); |
| snd_iprintf(buffer, "\n"); |
| } |
| static void pcxhr_proc_gpo_write(struct snd_info_entry *entry, |
| struct snd_info_buffer *buffer) |
| { |
| struct snd_pcxhr *chip = entry->private_data; |
| struct pcxhr_mgr *mgr = chip->mgr; |
| char line[64]; |
| int value; |
| /* commands available when embedded DSP is running */ |
| if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))) |
| return; |
| while (!snd_info_get_line(buffer, line, sizeof(line))) { |
| if (sscanf(line, "GPO: 0x%x", &value) != 1) |
| continue; |
| hr222_write_gpo(mgr, value); /* GP0 */ |
| } |
| } |
| |
| static void __devinit pcxhr_proc_init(struct snd_pcxhr *chip) |
| { |
| struct snd_info_entry *entry; |
| |
| if (! snd_card_proc_new(chip->card, "info", &entry)) |
| snd_info_set_text_ops(entry, chip, pcxhr_proc_info); |
| if (! snd_card_proc_new(chip->card, "sync", &entry)) |
| snd_info_set_text_ops(entry, chip, pcxhr_proc_sync); |
| /* gpio available on stereo sound cards only */ |
| if (chip->mgr->is_hr_stereo && |
| !snd_card_proc_new(chip->card, "gpio", &entry)) { |
| snd_info_set_text_ops(entry, chip, pcxhr_proc_gpio_read); |
| entry->c.text.write = pcxhr_proc_gpo_write; |
| entry->mode |= S_IWUSR; |
| } |
| } |
| /* end of proc interface */ |
| |
| /* |
| * release all the cards assigned to a manager instance |
| */ |
| static int pcxhr_free(struct pcxhr_mgr *mgr) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < mgr->num_cards; i++) { |
| if (mgr->chip[i]) |
| snd_card_free(mgr->chip[i]->card); |
| } |
| |
| /* reset board if some firmware was loaded */ |
| if(mgr->dsp_loaded) { |
| pcxhr_reset_board(mgr); |
| snd_printdd("reset pcxhr !\n"); |
| } |
| |
| /* release irq */ |
| if (mgr->irq >= 0) |
| free_irq(mgr->irq, mgr); |
| |
| pci_release_regions(mgr->pci); |
| |
| /* free hostport purgebuffer */ |
| if (mgr->hostport.area) { |
| snd_dma_free_pages(&mgr->hostport); |
| mgr->hostport.area = NULL; |
| } |
| |
| kfree(mgr->prmh); |
| |
| pci_disable_device(mgr->pci); |
| kfree(mgr); |
| return 0; |
| } |
| |
| /* |
| * probe function - creates the card manager |
| */ |
| static int __devinit pcxhr_probe(struct pci_dev *pci, |
| const struct pci_device_id *pci_id) |
| { |
| static int dev; |
| struct pcxhr_mgr *mgr; |
| unsigned int i; |
| int err; |
| size_t size; |
| char *card_name; |
| |
| if (dev >= SNDRV_CARDS) |
| return -ENODEV; |
| if (! enable[dev]) { |
| dev++; |
| return -ENOENT; |
| } |
| |
| /* enable PCI device */ |
| if ((err = pci_enable_device(pci)) < 0) |
| return err; |
| pci_set_master(pci); |
| |
| /* check if we can restrict PCI DMA transfers to 32 bits */ |
| if (pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0) { |
| snd_printk(KERN_ERR "architecture does not support " |
| "32bit PCI busmaster DMA\n"); |
| pci_disable_device(pci); |
| return -ENXIO; |
| } |
| |
| /* alloc card manager */ |
| mgr = kzalloc(sizeof(*mgr), GFP_KERNEL); |
| if (! mgr) { |
| pci_disable_device(pci); |
| return -ENOMEM; |
| } |
| |
| if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) { |
| kfree(mgr); |
| pci_disable_device(pci); |
| return -ENODEV; |
| } |
| card_name = |
| pcxhr_board_params[pci_id->driver_data].board_name; |
| mgr->playback_chips = |
| pcxhr_board_params[pci_id->driver_data].playback_chips; |
| mgr->capture_chips = |
| pcxhr_board_params[pci_id->driver_data].capture_chips; |
| mgr->fw_file_set = |
| pcxhr_board_params[pci_id->driver_data].fw_file_set; |
| mgr->firmware_num = |
| pcxhr_board_params[pci_id->driver_data].firmware_num; |
| mgr->mono_capture = mono[dev]; |
| mgr->is_hr_stereo = (mgr->playback_chips == 1); |
| mgr->board_has_aes1 = PCXHR_BOARD_HAS_AES1(mgr); |
| mgr->board_aes_in_192k = !PCXHR_BOARD_AESIN_NO_192K(mgr); |
| |
| if (mgr->is_hr_stereo) |
| mgr->granularity = PCXHR_GRANULARITY_HR22; |
| else |
| mgr->granularity = PCXHR_GRANULARITY; |
| |
| /* resource assignment */ |
| if ((err = pci_request_regions(pci, card_name)) < 0) { |
| kfree(mgr); |
| pci_disable_device(pci); |
| return err; |
| } |
| for (i = 0; i < 3; i++) |
| mgr->port[i] = pci_resource_start(pci, i); |
| |
| mgr->pci = pci; |
| mgr->irq = -1; |
| |
| if (request_irq(pci->irq, pcxhr_interrupt, IRQF_SHARED, |
| card_name, mgr)) { |
| snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); |
| pcxhr_free(mgr); |
| return -EBUSY; |
| } |
| mgr->irq = pci->irq; |
| |
| sprintf(mgr->shortname, "Digigram %s", card_name); |
| sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, 0x%lx irq %i", |
| mgr->shortname, |
| mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq); |
| |
| /* ISR spinlock */ |
| spin_lock_init(&mgr->lock); |
| spin_lock_init(&mgr->msg_lock); |
| |
| /* init setup mutex*/ |
| mutex_init(&mgr->setup_mutex); |
| |
| /* init taslket */ |
| tasklet_init(&mgr->msg_taskq, pcxhr_msg_tasklet, |
| (unsigned long) mgr); |
| tasklet_init(&mgr->trigger_taskq, pcxhr_trigger_tasklet, |
| (unsigned long) mgr); |
| |
| mgr->prmh = kmalloc(sizeof(*mgr->prmh) + |
| sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS - |
| PCXHR_SIZE_MAX_STATUS), |
| GFP_KERNEL); |
| if (! mgr->prmh) { |
| pcxhr_free(mgr); |
| return -ENOMEM; |
| } |
| |
| for (i=0; i < PCXHR_MAX_CARDS; i++) { |
| struct snd_card *card; |
| char tmpid[16]; |
| int idx; |
| |
| if (i >= max(mgr->playback_chips, mgr->capture_chips)) |
| break; |
| mgr->num_cards++; |
| |
| if (index[dev] < 0) |
| idx = index[dev]; |
| else |
| idx = index[dev] + i; |
| |
| snprintf(tmpid, sizeof(tmpid), "%s-%d", |
| id[dev] ? id[dev] : card_name, i); |
| err = snd_card_create(idx, tmpid, THIS_MODULE, 0, &card); |
| |
| if (err < 0) { |
| snd_printk(KERN_ERR "cannot allocate the card %d\n", i); |
| pcxhr_free(mgr); |
| return err; |
| } |
| |
| strcpy(card->driver, DRIVER_NAME); |
| sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i); |
| sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i); |
| |
| if ((err = pcxhr_create(mgr, card, i)) < 0) { |
| snd_card_free(card); |
| pcxhr_free(mgr); |
| return err; |
| } |
| |
| if (i == 0) |
| /* init proc interface only for chip0 */ |
| pcxhr_proc_init(mgr->chip[i]); |
| |
| if ((err = snd_card_register(card)) < 0) { |
| pcxhr_free(mgr); |
| return err; |
| } |
| } |
| |
| /* create hostport purgebuffer */ |
| size = PAGE_ALIGN(sizeof(struct pcxhr_hostport)); |
| if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), |
| size, &mgr->hostport) < 0) { |
| pcxhr_free(mgr); |
| return -ENOMEM; |
| } |
| /* init purgebuffer */ |
| memset(mgr->hostport.area, 0, size); |
| |
| /* create a DSP loader */ |
| err = pcxhr_setup_firmware(mgr); |
| if (err < 0) { |
| pcxhr_free(mgr); |
| return err; |
| } |
| |
| pci_set_drvdata(pci, mgr); |
| dev++; |
| return 0; |
| } |
| |
| static void __devexit pcxhr_remove(struct pci_dev *pci) |
| { |
| pcxhr_free(pci_get_drvdata(pci)); |
| pci_set_drvdata(pci, NULL); |
| } |
| |
| static struct pci_driver driver = { |
| .name = "Digigram pcxhr", |
| .id_table = pcxhr_ids, |
| .probe = pcxhr_probe, |
| .remove = __devexit_p(pcxhr_remove), |
| }; |
| |
| static int __init pcxhr_module_init(void) |
| { |
| return pci_register_driver(&driver); |
| } |
| |
| static void __exit pcxhr_module_exit(void) |
| { |
| pci_unregister_driver(&driver); |
| } |
| |
| module_init(pcxhr_module_init) |
| module_exit(pcxhr_module_exit) |