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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /sound/pci/fm801.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/pci/fm801.c')
-rw-r--r--sound/pci/fm801.c1414
1 files changed, 1414 insertions, 0 deletions
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
new file mode 100644
index 0000000000..62b3cb126c
--- /dev/null
+++ b/sound/pci/fm801.c
@@ -0,0 +1,1414 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * The driver for the ForteMedia FM801 based soundcards
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/tlv.h>
+#include <sound/ac97_codec.h>
+#include <sound/mpu401.h>
+#include <sound/opl3.h>
+#include <sound/initval.h>
+
+#ifdef CONFIG_SND_FM801_TEA575X_BOOL
+#include <media/drv-intf/tea575x.h>
+#endif
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("ForteMedia FM801");
+MODULE_LICENSE("GPL");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
+/*
+ * Enable TEA575x tuner
+ * 1 = MediaForte 256-PCS
+ * 2 = MediaForte 256-PCP
+ * 3 = MediaForte 64-PCR
+ * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
+ * High 16-bits are video (radio) device number + 1
+ */
+static int tea575x_tuner[SNDRV_CARDS];
+static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
+module_param_array(tea575x_tuner, int, NULL, 0444);
+MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
+module_param_array(radio_nr, int, NULL, 0444);
+MODULE_PARM_DESC(radio_nr, "Radio device numbers");
+
+
+#define TUNER_DISABLED (1<<3)
+#define TUNER_ONLY (1<<4)
+#define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
+
+/*
+ * Direct registers
+ */
+
+#define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg)
+#define fm801_readw(chip,reg) inw(chip->port + FM801_##reg)
+
+#define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg)
+
+#define FM801_PCM_VOL 0x00 /* PCM Output Volume */
+#define FM801_FM_VOL 0x02 /* FM Output Volume */
+#define FM801_I2S_VOL 0x04 /* I2S Volume */
+#define FM801_REC_SRC 0x06 /* Record Source */
+#define FM801_PLY_CTRL 0x08 /* Playback Control */
+#define FM801_PLY_COUNT 0x0a /* Playback Count */
+#define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
+#define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
+#define FM801_CAP_CTRL 0x14 /* Capture Control */
+#define FM801_CAP_COUNT 0x16 /* Capture Count */
+#define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
+#define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
+#define FM801_CODEC_CTRL 0x22 /* Codec Control */
+#define FM801_I2S_MODE 0x24 /* I2S Mode Control */
+#define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
+#define FM801_I2C_CTRL 0x29 /* I2C Control */
+#define FM801_AC97_CMD 0x2a /* AC'97 Command */
+#define FM801_AC97_DATA 0x2c /* AC'97 Data */
+#define FM801_MPU401_DATA 0x30 /* MPU401 Data */
+#define FM801_MPU401_CMD 0x31 /* MPU401 Command */
+#define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
+#define FM801_GEN_CTRL 0x54 /* General Control */
+#define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
+#define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
+#define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
+#define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
+#define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
+#define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
+#define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
+
+/* codec access */
+#define FM801_AC97_READ (1<<7) /* read=1, write=0 */
+#define FM801_AC97_VALID (1<<8) /* port valid=1 */
+#define FM801_AC97_BUSY (1<<9) /* busy=1 */
+#define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
+
+/* playback and record control register bits */
+#define FM801_BUF1_LAST (1<<1)
+#define FM801_BUF2_LAST (1<<2)
+#define FM801_START (1<<5)
+#define FM801_PAUSE (1<<6)
+#define FM801_IMMED_STOP (1<<7)
+#define FM801_RATE_SHIFT 8
+#define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
+#define FM801_CHANNELS_4 (1<<12) /* playback only */
+#define FM801_CHANNELS_6 (2<<12) /* playback only */
+#define FM801_CHANNELS_6MS (3<<12) /* playback only */
+#define FM801_CHANNELS_MASK (3<<12)
+#define FM801_16BIT (1<<14)
+#define FM801_STEREO (1<<15)
+
+/* IRQ status bits */
+#define FM801_IRQ_PLAYBACK (1<<8)
+#define FM801_IRQ_CAPTURE (1<<9)
+#define FM801_IRQ_VOLUME (1<<14)
+#define FM801_IRQ_MPU (1<<15)
+
+/* GPIO control register */
+#define FM801_GPIO_GP0 (1<<0) /* read/write */
+#define FM801_GPIO_GP1 (1<<1)
+#define FM801_GPIO_GP2 (1<<2)
+#define FM801_GPIO_GP3 (1<<3)
+#define FM801_GPIO_GP(x) (1<<(0+(x)))
+#define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
+#define FM801_GPIO_GD1 (1<<9)
+#define FM801_GPIO_GD2 (1<<10)
+#define FM801_GPIO_GD3 (1<<11)
+#define FM801_GPIO_GD(x) (1<<(8+(x)))
+#define FM801_GPIO_GS0 (1<<12) /* function select: */
+#define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
+#define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
+#define FM801_GPIO_GS3 (1<<15)
+#define FM801_GPIO_GS(x) (1<<(12+(x)))
+
+/**
+ * struct fm801 - describes FM801 chip
+ * @dev: device for this chio
+ * @irq: irq number
+ * @port: I/O port number
+ * @multichannel: multichannel support
+ * @secondary: secondary codec
+ * @secondary_addr: address of the secondary codec
+ * @tea575x_tuner: tuner access method & flags
+ * @ply_ctrl: playback control
+ * @cap_ctrl: capture control
+ * @ply_buffer: playback buffer
+ * @ply_buf: playback buffer index
+ * @ply_count: playback buffer count
+ * @ply_size: playback buffer size
+ * @ply_pos: playback position
+ * @cap_buffer: capture buffer
+ * @cap_buf: capture buffer index
+ * @cap_count: capture buffer count
+ * @cap_size: capture buffer size
+ * @cap_pos: capture position
+ * @ac97_bus: ac97 bus handle
+ * @ac97: ac97 handle
+ * @ac97_sec: ac97 secondary handle
+ * @card: ALSA card
+ * @pcm: PCM devices
+ * @rmidi: rmidi device
+ * @playback_substream: substream for playback
+ * @capture_substream: substream for capture
+ * @p_dma_size: playback DMA size
+ * @c_dma_size: capture DMA size
+ * @reg_lock: lock
+ * @proc_entry: /proc entry
+ * @v4l2_dev: v4l2 device
+ * @tea: tea575a structure
+ * @saved_regs: context saved during suspend
+ */
+struct fm801 {
+ struct device *dev;
+ int irq;
+
+ unsigned long port;
+ unsigned int multichannel: 1,
+ secondary: 1;
+ unsigned char secondary_addr;
+ unsigned int tea575x_tuner;
+
+ unsigned short ply_ctrl;
+ unsigned short cap_ctrl;
+
+ unsigned long ply_buffer;
+ unsigned int ply_buf;
+ unsigned int ply_count;
+ unsigned int ply_size;
+ unsigned int ply_pos;
+
+ unsigned long cap_buffer;
+ unsigned int cap_buf;
+ unsigned int cap_count;
+ unsigned int cap_size;
+ unsigned int cap_pos;
+
+ struct snd_ac97_bus *ac97_bus;
+ struct snd_ac97 *ac97;
+ struct snd_ac97 *ac97_sec;
+
+ struct snd_card *card;
+ struct snd_pcm *pcm;
+ struct snd_rawmidi *rmidi;
+ struct snd_pcm_substream *playback_substream;
+ struct snd_pcm_substream *capture_substream;
+ unsigned int p_dma_size;
+ unsigned int c_dma_size;
+
+ spinlock_t reg_lock;
+ struct snd_info_entry *proc_entry;
+
+#ifdef CONFIG_SND_FM801_TEA575X_BOOL
+ struct v4l2_device v4l2_dev;
+ struct snd_tea575x tea;
+#endif
+
+#ifdef CONFIG_PM_SLEEP
+ u16 saved_regs[0x20];
+#endif
+};
+
+/*
+ * IO accessors
+ */
+
+static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
+{
+ outw(value, chip->port + offset);
+}
+
+static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
+{
+ return inw(chip->port + offset);
+}
+
+static const struct pci_device_id snd_fm801_ids[] = {
+ { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
+ { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
+ { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
+
+/*
+ * common I/O routines
+ */
+
+static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
+{
+ unsigned int idx;
+
+ for (idx = 0; idx < iterations; idx++) {
+ if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
+ return true;
+ udelay(10);
+ }
+ return false;
+}
+
+static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
+{
+ unsigned int idx;
+
+ for (idx = 0; idx < iterations; idx++) {
+ if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
+ return true;
+ udelay(10);
+ }
+ return false;
+}
+
+static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
+ unsigned short mask, unsigned short value)
+{
+ int change;
+ unsigned long flags;
+ unsigned short old, new;
+
+ spin_lock_irqsave(&chip->reg_lock, flags);
+ old = fm801_ioread16(chip, reg);
+ new = (old & ~mask) | value;
+ change = old != new;
+ if (change)
+ fm801_iowrite16(chip, reg, new);
+ spin_unlock_irqrestore(&chip->reg_lock, flags);
+ return change;
+}
+
+static void snd_fm801_codec_write(struct snd_ac97 *ac97,
+ unsigned short reg,
+ unsigned short val)
+{
+ struct fm801 *chip = ac97->private_data;
+
+ /*
+ * Wait until the codec interface is not ready..
+ */
+ if (!fm801_ac97_is_ready(chip, 100)) {
+ dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
+ return;
+ }
+
+ /* write data and address */
+ fm801_writew(chip, AC97_DATA, val);
+ fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
+ /*
+ * Wait until the write command is not completed..
+ */
+ if (!fm801_ac97_is_ready(chip, 1000))
+ dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
+ ac97->num);
+}
+
+static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
+{
+ struct fm801 *chip = ac97->private_data;
+
+ /*
+ * Wait until the codec interface is not ready..
+ */
+ if (!fm801_ac97_is_ready(chip, 100)) {
+ dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
+ return 0;
+ }
+
+ /* read command */
+ fm801_writew(chip, AC97_CMD,
+ reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
+ if (!fm801_ac97_is_ready(chip, 100)) {
+ dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
+ ac97->num);
+ return 0;
+ }
+
+ if (!fm801_ac97_is_valid(chip, 1000)) {
+ dev_err(chip->card->dev,
+ "AC'97 interface #%d is not valid (2)\n", ac97->num);
+ return 0;
+ }
+
+ return fm801_readw(chip, AC97_DATA);
+}
+
+static const unsigned int rates[] = {
+ 5500, 8000, 9600, 11025,
+ 16000, 19200, 22050, 32000,
+ 38400, 44100, 48000
+};
+
+static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
+ .count = ARRAY_SIZE(rates),
+ .list = rates,
+ .mask = 0,
+};
+
+static const unsigned int channels[] = {
+ 2, 4, 6
+};
+
+static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
+ .count = ARRAY_SIZE(channels),
+ .list = channels,
+ .mask = 0,
+};
+
+/*
+ * Sample rate routines
+ */
+
+static unsigned short snd_fm801_rate_bits(unsigned int rate)
+{
+ unsigned int idx;
+
+ for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
+ if (rates[idx] == rate)
+ return idx;
+ snd_BUG();
+ return ARRAY_SIZE(rates) - 1;
+}
+
+/*
+ * PCM part
+ */
+
+static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct fm801 *chip = snd_pcm_substream_chip(substream);
+
+ spin_lock(&chip->reg_lock);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ chip->ply_ctrl &= ~(FM801_BUF1_LAST |
+ FM801_BUF2_LAST |
+ FM801_PAUSE);
+ chip->ply_ctrl |= FM801_START |
+ FM801_IMMED_STOP;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ chip->ply_ctrl |= FM801_PAUSE;
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ chip->ply_ctrl &= ~FM801_PAUSE;
+ break;
+ default:
+ spin_unlock(&chip->reg_lock);
+ snd_BUG();
+ return -EINVAL;
+ }
+ fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
+ spin_unlock(&chip->reg_lock);
+ return 0;
+}
+
+static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct fm801 *chip = snd_pcm_substream_chip(substream);
+
+ spin_lock(&chip->reg_lock);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ chip->cap_ctrl &= ~(FM801_BUF1_LAST |
+ FM801_BUF2_LAST |
+ FM801_PAUSE);
+ chip->cap_ctrl |= FM801_START |
+ FM801_IMMED_STOP;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ chip->cap_ctrl |= FM801_PAUSE;
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ chip->cap_ctrl &= ~FM801_PAUSE;
+ break;
+ default:
+ spin_unlock(&chip->reg_lock);
+ snd_BUG();
+ return -EINVAL;
+ }
+ fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
+ spin_unlock(&chip->reg_lock);
+ return 0;
+}
+
+static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
+{
+ struct fm801 *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
+ chip->ply_count = snd_pcm_lib_period_bytes(substream);
+ spin_lock_irq(&chip->reg_lock);
+ chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
+ FM801_STEREO | FM801_RATE_MASK |
+ FM801_CHANNELS_MASK);
+ if (snd_pcm_format_width(runtime->format) == 16)
+ chip->ply_ctrl |= FM801_16BIT;
+ if (runtime->channels > 1) {
+ chip->ply_ctrl |= FM801_STEREO;
+ if (runtime->channels == 4)
+ chip->ply_ctrl |= FM801_CHANNELS_4;
+ else if (runtime->channels == 6)
+ chip->ply_ctrl |= FM801_CHANNELS_6;
+ }
+ chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
+ chip->ply_buf = 0;
+ fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
+ fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
+ chip->ply_buffer = runtime->dma_addr;
+ chip->ply_pos = 0;
+ fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
+ fm801_writel(chip, PLY_BUF2,
+ chip->ply_buffer + (chip->ply_count % chip->ply_size));
+ spin_unlock_irq(&chip->reg_lock);
+ return 0;
+}
+
+static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
+{
+ struct fm801 *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
+ chip->cap_count = snd_pcm_lib_period_bytes(substream);
+ spin_lock_irq(&chip->reg_lock);
+ chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
+ FM801_STEREO | FM801_RATE_MASK);
+ if (snd_pcm_format_width(runtime->format) == 16)
+ chip->cap_ctrl |= FM801_16BIT;
+ if (runtime->channels > 1)
+ chip->cap_ctrl |= FM801_STEREO;
+ chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
+ chip->cap_buf = 0;
+ fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
+ fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
+ chip->cap_buffer = runtime->dma_addr;
+ chip->cap_pos = 0;
+ fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
+ fm801_writel(chip, CAP_BUF2,
+ chip->cap_buffer + (chip->cap_count % chip->cap_size));
+ spin_unlock_irq(&chip->reg_lock);
+ return 0;
+}
+
+static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
+{
+ struct fm801 *chip = snd_pcm_substream_chip(substream);
+ size_t ptr;
+
+ if (!(chip->ply_ctrl & FM801_START))
+ return 0;
+ spin_lock(&chip->reg_lock);
+ ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
+ if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
+ ptr += chip->ply_count;
+ ptr %= chip->ply_size;
+ }
+ spin_unlock(&chip->reg_lock);
+ return bytes_to_frames(substream->runtime, ptr);
+}
+
+static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
+{
+ struct fm801 *chip = snd_pcm_substream_chip(substream);
+ size_t ptr;
+
+ if (!(chip->cap_ctrl & FM801_START))
+ return 0;
+ spin_lock(&chip->reg_lock);
+ ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
+ if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
+ ptr += chip->cap_count;
+ ptr %= chip->cap_size;
+ }
+ spin_unlock(&chip->reg_lock);
+ return bytes_to_frames(substream->runtime, ptr);
+}
+
+static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
+{
+ struct fm801 *chip = dev_id;
+ unsigned short status;
+ unsigned int tmp;
+
+ status = fm801_readw(chip, IRQ_STATUS);
+ status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
+ if (! status)
+ return IRQ_NONE;
+ /* ack first */
+ fm801_writew(chip, IRQ_STATUS, status);
+ if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
+ spin_lock(&chip->reg_lock);
+ chip->ply_buf++;
+ chip->ply_pos += chip->ply_count;
+ chip->ply_pos %= chip->ply_size;
+ tmp = chip->ply_pos + chip->ply_count;
+ tmp %= chip->ply_size;
+ if (chip->ply_buf & 1)
+ fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
+ else
+ fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
+ spin_unlock(&chip->reg_lock);
+ snd_pcm_period_elapsed(chip->playback_substream);
+ }
+ if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
+ spin_lock(&chip->reg_lock);
+ chip->cap_buf++;
+ chip->cap_pos += chip->cap_count;
+ chip->cap_pos %= chip->cap_size;
+ tmp = chip->cap_pos + chip->cap_count;
+ tmp %= chip->cap_size;
+ if (chip->cap_buf & 1)
+ fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
+ else
+ fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
+ spin_unlock(&chip->reg_lock);
+ snd_pcm_period_elapsed(chip->capture_substream);
+ }
+ if (chip->rmidi && (status & FM801_IRQ_MPU))
+ snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
+ if (status & FM801_IRQ_VOLUME) {
+ /* TODO */
+ }
+
+ return IRQ_HANDLED;
+}
+
+static const struct snd_pcm_hardware snd_fm801_playback =
+{
+ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_MMAP_VALID),
+ .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
+ .rate_min = 5500,
+ .rate_max = 48000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = (128*1024),
+ .period_bytes_min = 64,
+ .period_bytes_max = (128*1024),
+ .periods_min = 1,
+ .periods_max = 1024,
+ .fifo_size = 0,
+};
+
+static const struct snd_pcm_hardware snd_fm801_capture =
+{
+ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_MMAP_VALID),
+ .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
+ .rate_min = 5500,
+ .rate_max = 48000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = (128*1024),
+ .period_bytes_min = 64,
+ .period_bytes_max = (128*1024),
+ .periods_min = 1,
+ .periods_max = 1024,
+ .fifo_size = 0,
+};
+
+static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
+{
+ struct fm801 *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int err;
+
+ chip->playback_substream = substream;
+ runtime->hw = snd_fm801_playback;
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ &hw_constraints_rates);
+ if (chip->multichannel) {
+ runtime->hw.channels_max = 6;
+ snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS,
+ &hw_constraints_channels);
+ }
+ err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
+{
+ struct fm801 *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int err;
+
+ chip->capture_substream = substream;
+ runtime->hw = snd_fm801_capture;
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ &hw_constraints_rates);
+ err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
+{
+ struct fm801 *chip = snd_pcm_substream_chip(substream);
+
+ chip->playback_substream = NULL;
+ return 0;
+}
+
+static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
+{
+ struct fm801 *chip = snd_pcm_substream_chip(substream);
+
+ chip->capture_substream = NULL;
+ return 0;
+}
+
+static const struct snd_pcm_ops snd_fm801_playback_ops = {
+ .open = snd_fm801_playback_open,
+ .close = snd_fm801_playback_close,
+ .prepare = snd_fm801_playback_prepare,
+ .trigger = snd_fm801_playback_trigger,
+ .pointer = snd_fm801_playback_pointer,
+};
+
+static const struct snd_pcm_ops snd_fm801_capture_ops = {
+ .open = snd_fm801_capture_open,
+ .close = snd_fm801_capture_close,
+ .prepare = snd_fm801_capture_prepare,
+ .trigger = snd_fm801_capture_trigger,
+ .pointer = snd_fm801_capture_pointer,
+};
+
+static int snd_fm801_pcm(struct fm801 *chip, int device)
+{
+ struct pci_dev *pdev = to_pci_dev(chip->dev);
+ struct snd_pcm *pcm;
+ int err;
+
+ err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm);
+ if (err < 0)
+ return err;
+
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
+
+ pcm->private_data = chip;
+ pcm->info_flags = 0;
+ strcpy(pcm->name, "FM801");
+ chip->pcm = pcm;
+
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
+ chip->multichannel ? 128*1024 : 64*1024, 128*1024);
+
+ return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ snd_pcm_alt_chmaps,
+ chip->multichannel ? 6 : 2, 0,
+ NULL);
+}
+
+/*
+ * TEA5757 radio
+ */
+
+#ifdef CONFIG_SND_FM801_TEA575X_BOOL
+
+/* GPIO to TEA575x maps */
+struct snd_fm801_tea575x_gpio {
+ u8 data, clk, wren, most;
+ char *name;
+};
+
+static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
+ { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
+ { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
+ { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
+};
+
+#define get_tea575x_gpio(chip) \
+ (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
+
+static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
+{
+ struct fm801 *chip = tea->private_data;
+ unsigned short reg = fm801_readw(chip, GPIO_CTRL);
+ struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
+
+ reg &= ~(FM801_GPIO_GP(gpio.data) |
+ FM801_GPIO_GP(gpio.clk) |
+ FM801_GPIO_GP(gpio.wren));
+
+ reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
+ reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
+ /* WRITE_ENABLE is inverted */
+ reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
+
+ fm801_writew(chip, GPIO_CTRL, reg);
+}
+
+static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
+{
+ struct fm801 *chip = tea->private_data;
+ unsigned short reg = fm801_readw(chip, GPIO_CTRL);
+ struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
+ u8 ret;
+
+ ret = 0;
+ if (reg & FM801_GPIO_GP(gpio.data))
+ ret |= TEA575X_DATA;
+ if (reg & FM801_GPIO_GP(gpio.most))
+ ret |= TEA575X_MOST;
+ return ret;
+}
+
+static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
+{
+ struct fm801 *chip = tea->private_data;
+ unsigned short reg = fm801_readw(chip, GPIO_CTRL);
+ struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
+
+ /* use GPIO lines and set write enable bit */
+ reg |= FM801_GPIO_GS(gpio.data) |
+ FM801_GPIO_GS(gpio.wren) |
+ FM801_GPIO_GS(gpio.clk) |
+ FM801_GPIO_GS(gpio.most);
+ if (output) {
+ /* all of lines are in the write direction */
+ /* clear data and clock lines */
+ reg &= ~(FM801_GPIO_GD(gpio.data) |
+ FM801_GPIO_GD(gpio.wren) |
+ FM801_GPIO_GD(gpio.clk) |
+ FM801_GPIO_GP(gpio.data) |
+ FM801_GPIO_GP(gpio.clk) |
+ FM801_GPIO_GP(gpio.wren));
+ } else {
+ /* use GPIO lines, set data direction to input */
+ reg |= FM801_GPIO_GD(gpio.data) |
+ FM801_GPIO_GD(gpio.most) |
+ FM801_GPIO_GP(gpio.data) |
+ FM801_GPIO_GP(gpio.most) |
+ FM801_GPIO_GP(gpio.wren);
+ /* all of lines are in the write direction, except data */
+ /* clear data, write enable and clock lines */
+ reg &= ~(FM801_GPIO_GD(gpio.wren) |
+ FM801_GPIO_GD(gpio.clk) |
+ FM801_GPIO_GP(gpio.clk));
+ }
+
+ fm801_writew(chip, GPIO_CTRL, reg);
+}
+
+static const struct snd_tea575x_ops snd_fm801_tea_ops = {
+ .set_pins = snd_fm801_tea575x_set_pins,
+ .get_pins = snd_fm801_tea575x_get_pins,
+ .set_direction = snd_fm801_tea575x_set_direction,
+};
+#endif
+
+/*
+ * Mixer routines
+ */
+
+#define FM801_SINGLE(xname, reg, shift, mask, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
+ .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
+ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
+
+static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+
+ uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = mask;
+ return 0;
+}
+
+static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct fm801 *chip = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int shift = (kcontrol->private_value >> 8) & 0xff;
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+ int invert = (kcontrol->private_value >> 24) & 0xff;
+ long *value = ucontrol->value.integer.value;
+
+ value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
+ if (invert)
+ value[0] = mask - value[0];
+ return 0;
+}
+
+static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct fm801 *chip = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int shift = (kcontrol->private_value >> 8) & 0xff;
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+ int invert = (kcontrol->private_value >> 24) & 0xff;
+ unsigned short val;
+
+ val = (ucontrol->value.integer.value[0] & mask);
+ if (invert)
+ val = mask - val;
+ return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
+}
+
+#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
+ .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
+ .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
+#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
+ .name = xname, .info = snd_fm801_info_double, \
+ .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
+ .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
+ .tlv = { .p = (xtlv) } }
+
+static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+
+ uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = mask;
+ return 0;
+}
+
+static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct fm801 *chip = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int shift_left = (kcontrol->private_value >> 8) & 0x0f;
+ int shift_right = (kcontrol->private_value >> 12) & 0x0f;
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+ int invert = (kcontrol->private_value >> 24) & 0xff;
+ long *value = ucontrol->value.integer.value;
+
+ spin_lock_irq(&chip->reg_lock);
+ value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
+ value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
+ spin_unlock_irq(&chip->reg_lock);
+ if (invert) {
+ value[0] = mask - value[0];
+ value[1] = mask - value[1];
+ }
+ return 0;
+}
+
+static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct fm801 *chip = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int shift_left = (kcontrol->private_value >> 8) & 0x0f;
+ int shift_right = (kcontrol->private_value >> 12) & 0x0f;
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+ int invert = (kcontrol->private_value >> 24) & 0xff;
+ unsigned short val1, val2;
+
+ val1 = ucontrol->value.integer.value[0] & mask;
+ val2 = ucontrol->value.integer.value[1] & mask;
+ if (invert) {
+ val1 = mask - val1;
+ val2 = mask - val2;
+ }
+ return snd_fm801_update_bits(chip, reg,
+ (mask << shift_left) | (mask << shift_right),
+ (val1 << shift_left ) | (val2 << shift_right));
+}
+
+static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[5] = {
+ "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
+ };
+
+ return snd_ctl_enum_info(uinfo, 1, 5, texts);
+}
+
+static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct fm801 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned short val;
+
+ val = fm801_readw(chip, REC_SRC) & 7;
+ if (val > 4)
+ val = 4;
+ ucontrol->value.enumerated.item[0] = val;
+ return 0;
+}
+
+static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct fm801 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned short val;
+
+ val = ucontrol->value.enumerated.item[0];
+ if (val > 4)
+ return -EINVAL;
+ return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
+}
+
+static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
+
+#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
+
+static const struct snd_kcontrol_new snd_fm801_controls[] = {
+FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
+ db_scale_dsp),
+FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
+FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
+ db_scale_dsp),
+FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
+FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
+ db_scale_dsp),
+FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Digital Capture Source",
+ .info = snd_fm801_info_mux,
+ .get = snd_fm801_get_mux,
+ .put = snd_fm801_put_mux,
+}
+};
+
+#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
+
+static const struct snd_kcontrol_new snd_fm801_controls_multi[] = {
+FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
+FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
+FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
+FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
+FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
+FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
+};
+
+static int snd_fm801_mixer(struct fm801 *chip)
+{
+ struct snd_ac97_template ac97;
+ unsigned int i;
+ int err;
+ static const struct snd_ac97_bus_ops ops = {
+ .write = snd_fm801_codec_write,
+ .read = snd_fm801_codec_read,
+ };
+
+ err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus);
+ if (err < 0)
+ return err;
+
+ memset(&ac97, 0, sizeof(ac97));
+ ac97.private_data = chip;
+ err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97);
+ if (err < 0)
+ return err;
+ if (chip->secondary) {
+ ac97.num = 1;
+ ac97.addr = chip->secondary_addr;
+ err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec);
+ if (err < 0)
+ return err;
+ }
+ for (i = 0; i < FM801_CONTROLS; i++) {
+ err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&snd_fm801_controls[i], chip));
+ if (err < 0)
+ return err;
+ }
+ if (chip->multichannel) {
+ for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
+ err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
+ if (err < 0)
+ return err;
+ }
+ }
+ return 0;
+}
+
+/*
+ * initialization routines
+ */
+
+static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
+ unsigned short reg, unsigned long waits)
+{
+ unsigned long timeout = jiffies + waits;
+
+ fm801_writew(chip, AC97_CMD,
+ reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
+ udelay(5);
+ do {
+ if ((fm801_readw(chip, AC97_CMD) &
+ (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
+ return 0;
+ schedule_timeout_uninterruptible(1);
+ } while (time_after(timeout, jiffies));
+ return -EIO;
+}
+
+static int reset_codec(struct fm801 *chip)
+{
+ /* codec cold reset + AC'97 warm reset */
+ fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
+ fm801_readw(chip, CODEC_CTRL); /* flush posting data */
+ udelay(100);
+ fm801_writew(chip, CODEC_CTRL, 0);
+
+ return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
+}
+
+static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
+{
+ unsigned short cmdw;
+
+ if (chip->multichannel) {
+ if (chip->secondary_addr) {
+ wait_for_codec(chip, chip->secondary_addr,
+ AC97_VENDOR_ID1, msecs_to_jiffies(50));
+ } else {
+ /* my card has the secondary codec */
+ /* at address #3, so the loop is inverted */
+ int i;
+ for (i = 3; i > 0; i--) {
+ if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
+ msecs_to_jiffies(50))) {
+ cmdw = fm801_readw(chip, AC97_DATA);
+ if (cmdw != 0xffff && cmdw != 0) {
+ chip->secondary = 1;
+ chip->secondary_addr = i;
+ break;
+ }
+ }
+ }
+ }
+
+ /* the recovery phase, it seems that probing for non-existing codec might */
+ /* cause timeout problems */
+ wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
+ }
+}
+
+static void snd_fm801_chip_init(struct fm801 *chip)
+{
+ unsigned short cmdw;
+
+ /* init volume */
+ fm801_writew(chip, PCM_VOL, 0x0808);
+ fm801_writew(chip, FM_VOL, 0x9f1f);
+ fm801_writew(chip, I2S_VOL, 0x8808);
+
+ /* I2S control - I2S mode */
+ fm801_writew(chip, I2S_MODE, 0x0003);
+
+ /* interrupt setup */
+ cmdw = fm801_readw(chip, IRQ_MASK);
+ if (chip->irq < 0)
+ cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
+ else
+ cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
+ fm801_writew(chip, IRQ_MASK, cmdw);
+
+ /* interrupt clear */
+ fm801_writew(chip, IRQ_STATUS,
+ FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
+}
+
+static void snd_fm801_free(struct snd_card *card)
+{
+ struct fm801 *chip = card->private_data;
+ unsigned short cmdw;
+
+ /* interrupt setup - mask everything */
+ cmdw = fm801_readw(chip, IRQ_MASK);
+ cmdw |= 0x00c3;
+ fm801_writew(chip, IRQ_MASK, cmdw);
+
+#ifdef CONFIG_SND_FM801_TEA575X_BOOL
+ if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
+ snd_tea575x_exit(&chip->tea);
+ v4l2_device_unregister(&chip->v4l2_dev);
+ }
+#endif
+}
+
+static int snd_fm801_create(struct snd_card *card,
+ struct pci_dev *pci,
+ int tea575x_tuner,
+ int radio_nr)
+{
+ struct fm801 *chip = card->private_data;
+ int err;
+
+ err = pcim_enable_device(pci);
+ if (err < 0)
+ return err;
+ spin_lock_init(&chip->reg_lock);
+ chip->card = card;
+ chip->dev = &pci->dev;
+ chip->irq = -1;
+ chip->tea575x_tuner = tea575x_tuner;
+ err = pci_request_regions(pci, "FM801");
+ if (err < 0)
+ return err;
+ chip->port = pci_resource_start(pci, 0);
+
+ if (pci->revision >= 0xb1) /* FM801-AU */
+ chip->multichannel = 1;
+
+ if (!(chip->tea575x_tuner & TUNER_ONLY)) {
+ if (reset_codec(chip) < 0) {
+ dev_info(chip->card->dev,
+ "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
+ chip->tea575x_tuner = 3 | TUNER_ONLY;
+ } else {
+ snd_fm801_chip_multichannel_init(chip);
+ }
+ }
+
+ if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
+ if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
+ IRQF_SHARED, KBUILD_MODNAME, chip)) {
+ dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
+ return -EBUSY;
+ }
+ chip->irq = pci->irq;
+ card->sync_irq = chip->irq;
+ pci_set_master(pci);
+ }
+
+ card->private_free = snd_fm801_free;
+ snd_fm801_chip_init(chip);
+
+#ifdef CONFIG_SND_FM801_TEA575X_BOOL
+ err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
+ if (err < 0)
+ return err;
+ chip->tea.v4l2_dev = &chip->v4l2_dev;
+ chip->tea.radio_nr = radio_nr;
+ chip->tea.private_data = chip;
+ chip->tea.ops = &snd_fm801_tea_ops;
+ sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
+ if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
+ (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
+ if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
+ dev_err(card->dev, "TEA575x radio not found\n");
+ return -ENODEV;
+ }
+ } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
+ unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
+
+ /* autodetect tuner connection */
+ for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
+ chip->tea575x_tuner = tea575x_tuner;
+ if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
+ dev_info(card->dev,
+ "detected TEA575x radio type %s\n",
+ get_tea575x_gpio(chip)->name);
+ break;
+ }
+ }
+ if (tea575x_tuner == 4) {
+ dev_err(card->dev, "TEA575x radio not found\n");
+ chip->tea575x_tuner = TUNER_DISABLED;
+ }
+
+ chip->tea575x_tuner |= tuner_only;
+ }
+ if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
+ strscpy(chip->tea.card, get_tea575x_gpio(chip)->name,
+ sizeof(chip->tea.card));
+ }
+#endif
+ return 0;
+}
+
+static int __snd_card_fm801_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ static int dev;
+ struct snd_card *card;
+ struct fm801 *chip;
+ struct snd_opl3 *opl3;
+ int err;
+
+ if (dev >= SNDRV_CARDS)
+ return -ENODEV;
+ if (!enable[dev]) {
+ dev++;
+ return -ENOENT;
+ }
+
+ err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
+ sizeof(*chip), &card);
+ if (err < 0)
+ return err;
+ chip = card->private_data;
+ err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev]);
+ if (err < 0)
+ return err;
+
+ strcpy(card->driver, "FM801");
+ strcpy(card->shortname, "ForteMedia FM801-");
+ strcat(card->shortname, chip->multichannel ? "AU" : "AS");
+ sprintf(card->longname, "%s at 0x%lx, irq %i",
+ card->shortname, chip->port, chip->irq);
+
+ if (chip->tea575x_tuner & TUNER_ONLY)
+ goto __fm801_tuner_only;
+
+ err = snd_fm801_pcm(chip, 0);
+ if (err < 0)
+ return err;
+ err = snd_fm801_mixer(chip);
+ if (err < 0)
+ return err;
+ err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
+ chip->port + FM801_MPU401_DATA,
+ MPU401_INFO_INTEGRATED |
+ MPU401_INFO_IRQ_HOOK,
+ -1, &chip->rmidi);
+ if (err < 0)
+ return err;
+ err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
+ chip->port + FM801_OPL3_BANK1,
+ OPL3_HW_OPL3_FM801, 1, &opl3);
+ if (err < 0)
+ return err;
+ err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
+ if (err < 0)
+ return err;
+
+ __fm801_tuner_only:
+ err = snd_card_register(card);
+ if (err < 0)
+ return err;
+ pci_set_drvdata(pci, card);
+ dev++;
+ return 0;
+}
+
+static int snd_card_fm801_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ return snd_card_free_on_error(&pci->dev, __snd_card_fm801_probe(pci, pci_id));
+}
+
+#ifdef CONFIG_PM_SLEEP
+static const unsigned char saved_regs[] = {
+ FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
+ FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
+ FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
+ FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
+};
+
+static int snd_fm801_suspend(struct device *dev)
+{
+ struct snd_card *card = dev_get_drvdata(dev);
+ struct fm801 *chip = card->private_data;
+ int i;
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+
+ for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
+ chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
+
+ if (chip->tea575x_tuner & TUNER_ONLY) {
+ /* FIXME: tea575x suspend */
+ } else {
+ snd_ac97_suspend(chip->ac97);
+ snd_ac97_suspend(chip->ac97_sec);
+ }
+
+ return 0;
+}
+
+static int snd_fm801_resume(struct device *dev)
+{
+ struct snd_card *card = dev_get_drvdata(dev);
+ struct fm801 *chip = card->private_data;
+ int i;
+
+ if (chip->tea575x_tuner & TUNER_ONLY) {
+ snd_fm801_chip_init(chip);
+ } else {
+ reset_codec(chip);
+ snd_fm801_chip_multichannel_init(chip);
+ snd_fm801_chip_init(chip);
+ snd_ac97_resume(chip->ac97);
+ snd_ac97_resume(chip->ac97_sec);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
+ fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
+
+#ifdef CONFIG_SND_FM801_TEA575X_BOOL
+ if (!(chip->tea575x_tuner & TUNER_DISABLED))
+ snd_tea575x_set_freq(&chip->tea);
+#endif
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
+#define SND_FM801_PM_OPS &snd_fm801_pm
+#else
+#define SND_FM801_PM_OPS NULL
+#endif /* CONFIG_PM_SLEEP */
+
+static struct pci_driver fm801_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = snd_fm801_ids,
+ .probe = snd_card_fm801_probe,
+ .driver = {
+ .pm = SND_FM801_PM_OPS,
+ },
+};
+
+module_pci_driver(fm801_driver);