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[safe/jmp/linux-2.6] / sound / pci / es1968.c
index b9d723c..d69b11d 100644 (file)
@@ -432,46 +432,6 @@ MODULE_PARM_DESC(joystick, "Enable joystick.");
 #define ESM_MODE_PLAY          0
 #define ESM_MODE_CAPTURE       1
 
-/* acpi states */
-enum {
-       ACPI_D0=0,
-       ACPI_D1,
-       ACPI_D2,
-       ACPI_D3
-};
-
-/* bits in the acpi masks */
-#define ACPI_12MHZ     ( 1 << 15)
-#define ACPI_24MHZ     ( 1 << 14)
-#define ACPI_978       ( 1 << 13)
-#define ACPI_SPDIF     ( 1 << 12)
-#define ACPI_GLUE      ( 1 << 11)
-#define ACPI__10       ( 1 << 10) /* reserved */
-#define ACPI_PCIINT    ( 1 << 9)
-#define ACPI_HV                ( 1 << 8) /* hardware volume */
-#define ACPI_GPIO      ( 1 << 7)
-#define ACPI_ASSP      ( 1 << 6)
-#define ACPI_SB                ( 1 << 5) /* sb emul */
-#define ACPI_FM                ( 1 << 4) /* fm emul */
-#define ACPI_RB                ( 1 << 3) /* ringbus / aclink */
-#define ACPI_MIDI      ( 1 << 2) 
-#define ACPI_GP                ( 1 << 1) /* game port */
-#define ACPI_WP                ( 1 << 0) /* wave processor */
-
-#define ACPI_ALL       (0xffff)
-#define ACPI_SLEEP     (~(ACPI_SPDIF|ACPI_ASSP|ACPI_SB|ACPI_FM| \
-                       ACPI_MIDI|ACPI_GP|ACPI_WP))
-#define ACPI_NONE      (ACPI__10)
-
-/* these masks indicate which units we care about at
-       which states */
-static u16 acpi_state_mask[] = {
-       [ACPI_D0] = ACPI_ALL,
-       [ACPI_D1] = ACPI_SLEEP,
-       [ACPI_D2] = ACPI_SLEEP,
-       [ACPI_D3] = ACPI_NONE
-};
-
 
 /* APU use in the driver */
 enum snd_enum_apu_type {
@@ -883,10 +843,9 @@ static void snd_es1968_bob_dec(struct es1968 *chip)
                snd_es1968_bob_stop(chip);
        else if (chip->bob_freq > ESM_BOB_FREQ) {
                /* check reduction of timer frequency */
-               struct list_head *p;
                int max_freq = ESM_BOB_FREQ;
-               list_for_each(p, &chip->substream_list) {
-                       struct esschan *es = list_entry(p, struct esschan, list);
+               struct esschan *es;
+               list_for_each_entry(es, &chip->substream_list, list) {
                        if (max_freq < es->bob_freq)
                                max_freq = es->bob_freq;
                }
@@ -1356,12 +1315,11 @@ static struct snd_pcm_hardware snd_es1968_capture = {
 
 static int calc_available_memory_size(struct es1968 *chip)
 {
-       struct list_head *p;
        int max_size = 0;
-       
+       struct esm_memory *buf;
+
        mutex_lock(&chip->memory_mutex);
-       list_for_each(p, &chip->buf_list) {
-               struct esm_memory *buf = list_entry(p, struct esm_memory, list);
+       list_for_each_entry(buf, &chip->buf_list, list) {
                if (buf->empty && buf->buf.bytes > max_size)
                        max_size = buf->buf.bytes;
        }
@@ -1375,12 +1333,10 @@ static int calc_available_memory_size(struct es1968 *chip)
 static struct esm_memory *snd_es1968_new_memory(struct es1968 *chip, int size)
 {
        struct esm_memory *buf;
-       struct list_head *p;
-       
-       size = ((size + ESM_MEM_ALIGN - 1) / ESM_MEM_ALIGN) * ESM_MEM_ALIGN;
+
+       size = ALIGN(size, ESM_MEM_ALIGN);
        mutex_lock(&chip->memory_mutex);
-       list_for_each(p, &chip->buf_list) {
-               buf = list_entry(p, struct esm_memory, list);
+       list_for_each_entry(buf, &chip->buf_list, list) {
                if (buf->empty && buf->buf.bytes >= size)
                        goto __found;
        }
@@ -1594,10 +1550,7 @@ static int snd_es1968_playback_open(struct snd_pcm_substream *substream)
        runtime->hw = snd_es1968_playback;
        runtime->hw.buffer_bytes_max = runtime->hw.period_bytes_max =
                calc_available_memory_size(chip);
-#if 0
-       snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
-                                  1024);
-#endif
+
        spin_lock_irq(&chip->substream_lock);
        list_add(&es->list, &chip->substream_list);
        spin_unlock_irq(&chip->substream_lock);
@@ -1653,10 +1606,8 @@ static int snd_es1968_capture_open(struct snd_pcm_substream *substream)
        runtime->hw = snd_es1968_capture;
        runtime->hw.buffer_bytes_max = runtime->hw.period_bytes_max =
                calc_available_memory_size(chip) - 1024; /* keep MIXBUF size */
-#if 0
-       snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
-                                  1024);
-#endif
+       snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
+
        spin_lock_irq(&chip->substream_lock);
        list_add(&es->list, &chip->substream_list);
        spin_unlock_irq(&chip->substream_lock);
@@ -1983,10 +1934,9 @@ static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id)
        }
 
        if (event & ESM_SOUND_IRQ) {
-               struct list_head *p;
+               struct esschan *es;
                spin_lock(&chip->substream_lock);
-               list_for_each(p, &chip->substream_list) {
-                       struct esschan *es = list_entry(p, struct esschan, list);
+               list_for_each_entry(es, &chip->substream_list, list) {
                        if (es->running)
                                snd_es1968_update_pcm(chip, es);
                }
@@ -2160,21 +2110,6 @@ static void snd_es1968_reset(struct es1968 *chip)
 }
 
 /*
- * power management
- */
-static void snd_es1968_set_acpi(struct es1968 *chip, int state)
-{
-       u16 active_mask = acpi_state_mask[state];
-
-       pci_set_power_state(chip->pci, state);
-       /* make sure the units we care about are on 
-               XXX we might want to do this before state flipping? */
-       pci_write_config_word(chip->pci, 0x54, ~ active_mask);
-       pci_write_config_word(chip->pci, 0x56, ~ active_mask);
-}
-
-
-/*
  * initialize maestro chip
  */
 static void snd_es1968_chip_init(struct es1968 *chip)
@@ -2196,9 +2131,6 @@ static void snd_es1968_chip_init(struct es1968 *chip)
         * IRQs.
         */
        
-       /* do config work at full power */
-       snd_es1968_set_acpi(chip, ACPI_D0);
-
        /* Config Reg A */
        pci_read_config_word(pci, ESM_CONFIG_A, &w);
 
@@ -2397,9 +2329,10 @@ static int es1968_suspend(struct pci_dev *pci, pm_message_t state)
        snd_pcm_suspend_all(chip->pcm);
        snd_ac97_suspend(chip->ac97);
        snd_es1968_bob_stop(chip);
-       snd_es1968_set_acpi(chip, ACPI_D3);
+
        pci_disable_device(pci);
        pci_save_state(pci);
+       pci_set_power_state(pci, pci_choose_state(pci, state));
        return 0;
 }
 
@@ -2407,15 +2340,22 @@ static int es1968_resume(struct pci_dev *pci)
 {
        struct snd_card *card = pci_get_drvdata(pci);
        struct es1968 *chip = card->private_data;
-       struct list_head *p;
+       struct esschan *es;
 
        if (! chip->do_pm)
                return 0;
 
        /* restore all our config */
+       pci_set_power_state(pci, PCI_D0);
        pci_restore_state(pci);
-       pci_enable_device(pci);
+       if (pci_enable_device(pci) < 0) {
+               printk(KERN_ERR "es1968: pci_enable_device failed, "
+                      "disabling device\n");
+               snd_card_disconnect(card);
+               return -EIO;
+       }
        pci_set_master(pci);
+
        snd_es1968_chip_init(chip);
 
        /* need to restore the base pointers.. */ 
@@ -2429,8 +2369,7 @@ static int es1968_resume(struct pci_dev *pci)
        /* restore ac97 state */
        snd_ac97_resume(chip->ac97);
 
-       list_for_each(p, &chip->substream_list) {
-               struct esschan *es = list_entry(p, struct esschan, list);
+       list_for_each_entry(es, &chip->substream_list, list) {
                switch (es->mode) {
                case ESM_MODE_PLAY:
                        snd_es1968_playback_setup(chip, es, es->substream->runtime);
@@ -2512,9 +2451,8 @@ static int snd_es1968_free(struct es1968 *chip)
        }
 
        if (chip->irq >= 0)
-               free_irq(chip->irq, (void *)chip);
+               free_irq(chip->irq, chip);
        snd_es1968_free_gameport(chip);
-       snd_es1968_set_acpi(chip, ACPI_D3);
        chip->master_switch = NULL;
        chip->master_volume = NULL;
        pci_release_regions(chip->pci);
@@ -2603,8 +2541,8 @@ static int __devinit snd_es1968_create(struct snd_card *card,
                return err;
        }
        chip->io_port = pci_resource_start(pci, 0);
-       if (request_irq(pci->irq, snd_es1968_interrupt, IRQF_DISABLED|IRQF_SHARED,
-                       "ESS Maestro", (void*)chip)) {
+       if (request_irq(pci->irq, snd_es1968_interrupt, IRQF_SHARED,
+                       "ESS Maestro", chip)) {
                snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
                snd_es1968_free(chip);
                return -EBUSY;