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-rw-r--r--target/linux/olpc/patches/110-olpc_sound.patch414
1 files changed, 0 insertions, 414 deletions
diff --git a/target/linux/olpc/patches/110-olpc_sound.patch b/target/linux/olpc/patches/110-olpc_sound.patch
deleted file mode 100644
index c322e46f5..000000000
--- a/target/linux/olpc/patches/110-olpc_sound.patch
+++ /dev/null
@@ -1,414 +0,0 @@
-Index: linux-2.6.23.17/include/sound/ac97_codec.h
-===================================================================
---- linux-2.6.23.17.orig/include/sound/ac97_codec.h
-+++ linux-2.6.23.17/include/sound/ac97_codec.h
-@@ -281,10 +281,12 @@
- /* specific - Analog Devices */
- #define AC97_AD_TEST 0x5a /* test register */
- #define AC97_AD_TEST2 0x5c /* undocumented test register 2 */
-+#define AC97_AD_HPFD_SHIFT 12 /* High Pass Filter Disable */
- #define AC97_AD_CODEC_CFG 0x70 /* codec configuration */
- #define AC97_AD_JACK_SPDIF 0x72 /* Jack Sense & S/PDIF */
- #define AC97_AD_SERIAL_CFG 0x74 /* Serial Configuration */
- #define AC97_AD_MISC 0x76 /* Misc Control Bits */
-+#define AC97_AD_VREFD_SHIFT 2 /* V_REFOUT Disable (AD1888) */
-
- /* specific - Cirrus Logic */
- #define AC97_CSR_ACMODE 0x5e /* AC Mode Register */
-Index: linux-2.6.23.17/sound/pci/ac97/ac97_codec.c
-===================================================================
---- linux-2.6.23.17.orig/sound/pci/ac97/ac97_codec.c
-+++ linux-2.6.23.17/sound/pci/ac97/ac97_codec.c
-@@ -49,7 +49,7 @@ module_param(enable_loopback, bool, 0444
- MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
-
- #ifdef CONFIG_SND_AC97_POWER_SAVE
--static int power_save;
-+static int power_save = 1;
- module_param(power_save, bool, 0644);
- MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control");
- #endif
-Index: linux-2.6.23.17/sound/pci/ac97/ac97_patch.c
-===================================================================
---- linux-2.6.23.17.orig/sound/pci/ac97/ac97_patch.c
-+++ linux-2.6.23.17/sound/pci/ac97/ac97_patch.c
-@@ -1973,8 +1973,9 @@ static const struct snd_kcontrol_new snd
- .get = snd_ac97_ad1888_lohpsel_get,
- .put = snd_ac97_ad1888_lohpsel_put
- },
-- AC97_SINGLE("V_REFOUT Enable", AC97_AD_MISC, 2, 1, 1),
-- AC97_SINGLE("High Pass Filter Enable", AC97_AD_TEST2, 12, 1, 1),
-+ AC97_SINGLE("V_REFOUT Enable", AC97_AD_MISC, AC97_AD_VREFD_SHIFT, 1, 1),
-+ AC97_SINGLE("High Pass Filter Enable", AC97_AD_TEST2,
-+ AC97_AD_HPFD_SHIFT, 1, 1),
- AC97_SINGLE("Spread Front to Surround and Center/LFE", AC97_AD_MISC, 7, 1, 0),
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-Index: linux-2.6.23.17/sound/pci/cs5535audio/Makefile
-===================================================================
---- linux-2.6.23.17.orig/sound/pci/cs5535audio/Makefile
-+++ linux-2.6.23.17/sound/pci/cs5535audio/Makefile
-@@ -8,5 +8,9 @@ ifeq ($(CONFIG_PM),y)
- snd-cs5535audio-objs += cs5535audio_pm.o
- endif
-
-+ifdef CONFIG_OLPC
-+snd-cs5535audio-objs += cs5535audio_olpc.o
-+endif
-+
- # Toplevel Module Dependency
- obj-$(CONFIG_SND_CS5535AUDIO) += snd-cs5535audio.o
-Index: linux-2.6.23.17/sound/pci/cs5535audio/cs5535audio.c
-===================================================================
---- linux-2.6.23.17.orig/sound/pci/cs5535audio/cs5535audio.c
-+++ linux-2.6.23.17/sound/pci/cs5535audio/cs5535audio.c
-@@ -145,7 +145,7 @@ static unsigned short snd_cs5535audio_ac
- return snd_cs5535audio_codec_read(cs5535au, reg);
- }
-
--static int snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
-+static int __devinit snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
- {
- struct snd_card *card = cs5535au->card;
- struct snd_ac97_bus *pbus;
-@@ -160,10 +160,14 @@ static int snd_cs5535audio_mixer(struct
- return err;
-
- memset(&ac97, 0, sizeof(ac97));
-- ac97.scaps = AC97_SCAP_AUDIO|AC97_SCAP_SKIP_MODEM;
-+ ac97.scaps = AC97_SCAP_AUDIO | AC97_SCAP_SKIP_MODEM
-+ | AC97_SCAP_POWER_SAVE;
- ac97.private_data = cs5535au;
- ac97.pci = cs5535au->pci;
-
-+ /* olpc_prequirks is dummied out if not olpc */
-+ olpc_prequirks(card, &ac97);
-+
- if ((err = snd_ac97_mixer(pbus, &ac97, &cs5535au->ac97)) < 0) {
- snd_printk(KERN_ERR "mixer failed\n");
- return err;
-@@ -171,6 +175,12 @@ static int snd_cs5535audio_mixer(struct
-
- snd_ac97_tune_hardware(cs5535au->ac97, ac97_quirks, ac97_quirk);
-
-+ /* olpc_quirks is dummied out if not olpc */
-+ if (( err = olpc_quirks(card, cs5535au->ac97)) < 0) {
-+ snd_printk(KERN_ERR "olpc quirks failed\n");
-+ return err;
-+ }
-+
- return 0;
- }
-
-@@ -206,7 +216,6 @@ static void process_bm1_irq(struct cs553
- static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id)
- {
- u16 acc_irq_stat;
-- u8 bm_stat;
- unsigned char count;
- struct cs5535audio *cs5535au = dev_id;
-
-@@ -217,7 +226,7 @@ static irqreturn_t snd_cs5535audio_inter
-
- if (!acc_irq_stat)
- return IRQ_NONE;
-- for (count = 0; count < 10; count++) {
-+ for (count = 0; count < 4; count++) {
- if (acc_irq_stat & (1 << count)) {
- switch (count) {
- case IRQ_STS:
-@@ -232,26 +241,9 @@ static irqreturn_t snd_cs5535audio_inter
- case BM1_IRQ_STS:
- process_bm1_irq(cs5535au);
- break;
-- case BM2_IRQ_STS:
-- bm_stat = cs_readb(cs5535au, ACC_BM2_STATUS);
-- break;
-- case BM3_IRQ_STS:
-- bm_stat = cs_readb(cs5535au, ACC_BM3_STATUS);
-- break;
-- case BM4_IRQ_STS:
-- bm_stat = cs_readb(cs5535au, ACC_BM4_STATUS);
-- break;
-- case BM5_IRQ_STS:
-- bm_stat = cs_readb(cs5535au, ACC_BM5_STATUS);
-- break;
-- case BM6_IRQ_STS:
-- bm_stat = cs_readb(cs5535au, ACC_BM6_STATUS);
-- break;
-- case BM7_IRQ_STS:
-- bm_stat = cs_readb(cs5535au, ACC_BM7_STATUS);
-- break;
- default:
-- snd_printk(KERN_ERR "Unexpected irq src\n");
-+ snd_printk(KERN_ERR "Unexpected irq src: "
-+ "0x%x\n", acc_irq_stat);
- break;
- }
- }
-Index: linux-2.6.23.17/sound/pci/cs5535audio/cs5535audio.h
-===================================================================
---- linux-2.6.23.17.orig/sound/pci/cs5535audio/cs5535audio.h
-+++ linux-2.6.23.17/sound/pci/cs5535audio/cs5535audio.h
-@@ -16,57 +16,28 @@
- #define ACC_IRQ_STATUS 0x12
- #define ACC_BM0_CMD 0x20
- #define ACC_BM1_CMD 0x28
--#define ACC_BM2_CMD 0x30
--#define ACC_BM3_CMD 0x38
--#define ACC_BM4_CMD 0x40
--#define ACC_BM5_CMD 0x48
--#define ACC_BM6_CMD 0x50
--#define ACC_BM7_CMD 0x58
- #define ACC_BM0_PRD 0x24
- #define ACC_BM1_PRD 0x2C
--#define ACC_BM2_PRD 0x34
--#define ACC_BM3_PRD 0x3C
--#define ACC_BM4_PRD 0x44
--#define ACC_BM5_PRD 0x4C
--#define ACC_BM6_PRD 0x54
--#define ACC_BM7_PRD 0x5C
- #define ACC_BM0_STATUS 0x21
- #define ACC_BM1_STATUS 0x29
--#define ACC_BM2_STATUS 0x31
--#define ACC_BM3_STATUS 0x39
--#define ACC_BM4_STATUS 0x41
--#define ACC_BM5_STATUS 0x49
--#define ACC_BM6_STATUS 0x51
--#define ACC_BM7_STATUS 0x59
- #define ACC_BM0_PNTR 0x60
- #define ACC_BM1_PNTR 0x64
--#define ACC_BM2_PNTR 0x68
--#define ACC_BM3_PNTR 0x6C
--#define ACC_BM4_PNTR 0x70
--#define ACC_BM5_PNTR 0x74
--#define ACC_BM6_PNTR 0x78
--#define ACC_BM7_PNTR 0x7C
-+
- /* acc_codec bar0 reg bits */
- /* ACC_IRQ_STATUS */
- #define IRQ_STS 0
- #define WU_IRQ_STS 1
- #define BM0_IRQ_STS 2
- #define BM1_IRQ_STS 3
--#define BM2_IRQ_STS 4
--#define BM3_IRQ_STS 5
--#define BM4_IRQ_STS 6
--#define BM5_IRQ_STS 7
--#define BM6_IRQ_STS 8
--#define BM7_IRQ_STS 9
- /* ACC_BMX_STATUS */
- #define EOP (1<<0)
- #define BM_EOP_ERR (1<<1)
- /* ACC_BMX_CTL */
--#define BM_CTL_EN 0x00000001
--#define BM_CTL_PAUSE 0x00000011
--#define BM_CTL_DIS 0x00000000
--#define BM_CTL_BYTE_ORD_LE 0x00000000
--#define BM_CTL_BYTE_ORD_BE 0x00000100
-+#define BM_CTL_EN 0x01
-+#define BM_CTL_PAUSE 0x03
-+#define BM_CTL_DIS 0x00
-+#define BM_CTL_BYTE_ORD_LE 0x00
-+#define BM_CTL_BYTE_ORD_BE 0x04
- /* cs5535 specific ac97 codec register defines */
- #define CMD_MASK 0xFF00FFFF
- #define CMD_NEW 0x00010000
-@@ -106,8 +77,8 @@ struct cs5535audio_dma {
- struct snd_pcm_substream *substream;
- unsigned int buf_addr, buf_bytes;
- unsigned int period_bytes, periods;
-- int suspended;
- u32 saved_prd;
-+ int pcm_open_flag;
- };
-
- struct cs5535audio {
-@@ -123,8 +94,21 @@ struct cs5535audio {
- struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS];
- };
-
-+#ifdef CONFIG_PM
- int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state);
- int snd_cs5535audio_resume(struct pci_dev *pci);
-+#endif
-+
-+#ifdef CONFIG_OLPC
-+void olpc_prequirks(struct snd_card *card, struct snd_ac97_template *ac97) __devinit;
-+int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97) __devinit;
-+int olpc_ai_enable(struct snd_ac97 *ac97, u8 val);
-+#else
-+#define olpc_prequirks(arg,arg2) do {} while (0)
-+#define olpc_quirks(arg,arg2) (0)
-+#define olpc_ai_enable(a, v) (0)
-+#endif
-+
- int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
-
- #endif /* __SOUND_CS5535AUDIO_H */
-Index: linux-2.6.23.17/sound/pci/cs5535audio/cs5535audio_pcm.c
-===================================================================
---- linux-2.6.23.17.orig/sound/pci/cs5535audio/cs5535audio_pcm.c
-+++ linux-2.6.23.17/sound/pci/cs5535audio/cs5535audio_pcm.c
-@@ -164,6 +164,7 @@ static int cs5535audio_build_dma_packets
- jmpprd_addr = cpu_to_le32(lastdesc->addr +
- (sizeof(struct cs5535audio_dma_desc)*periods));
-
-+ dma->substream = substream;
- dma->period_bytes = period_bytes;
- dma->periods = periods;
- spin_lock_irq(&cs5535au->reg_lock);
-@@ -241,6 +242,7 @@ static void cs5535audio_clear_dma_packet
- {
- snd_dma_free_pages(&dma->desc_buf);
- dma->desc_buf.area = NULL;
-+ dma->substream = NULL;
- }
-
- static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,
-@@ -260,6 +262,9 @@ static int snd_cs5535audio_hw_params(str
- err = cs5535audio_build_dma_packets(cs5535au, dma, substream,
- params_periods(hw_params),
- params_period_bytes(hw_params));
-+ if (!err)
-+ dma->pcm_open_flag = 1;
-+
- return err;
- }
-
-@@ -268,6 +273,15 @@ static int snd_cs5535audio_hw_free(struc
- struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);
- struct cs5535audio_dma *dma = substream->runtime->private_data;
-
-+ if (dma->pcm_open_flag) {
-+ if (substream == cs5535au->playback_substream)
-+ snd_ac97_update_power(cs5535au->ac97,
-+ AC97_PCM_FRONT_DAC_RATE, 0);
-+ else
-+ snd_ac97_update_power(cs5535au->ac97,
-+ AC97_PCM_LR_ADC_RATE, 0);
-+ dma->pcm_open_flag = 0;
-+ }
- cs5535audio_clear_dma_packets(cs5535au, dma, substream);
- return snd_pcm_lib_free_pages(substream);
- }
-@@ -298,14 +312,12 @@ static int snd_cs5535audio_trigger(struc
- break;
- case SNDRV_PCM_TRIGGER_RESUME:
- dma->ops->enable_dma(cs5535au);
-- dma->suspended = 0;
- break;
- case SNDRV_PCM_TRIGGER_STOP:
- dma->ops->disable_dma(cs5535au);
- break;
- case SNDRV_PCM_TRIGGER_SUSPEND:
- dma->ops->disable_dma(cs5535au);
-- dma->suspended = 1;
- break;
- default:
- snd_printk(KERN_ERR "unhandled trigger\n");
-@@ -344,6 +356,7 @@ static int snd_cs5535audio_capture_open(
- int err;
- struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
-+ struct snd_ac97 *ac97 = cs5535au->ac97;
-
- runtime->hw = snd_cs5535audio_capture;
- cs5535au->capture_substream = substream;
-@@ -352,11 +365,29 @@ static int snd_cs5535audio_capture_open(
- if ((err = snd_pcm_hw_constraint_integer(runtime,
- SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
- return err;
-- return 0;
-+
-+#ifdef CONFIG_OLPC
-+ /* Disable Analog Input */
-+ olpc_ai_enable(ac97, 0);
-+ /* Enable V_ref bias while recording. */
-+ snd_ac97_update_bits(ac97, AC97_AD_MISC, 1<<AC97_AD_VREFD_SHIFT, 0);
-+#endif
-+ return err;
- }
-
- static int snd_cs5535audio_capture_close(struct snd_pcm_substream *substream)
- {
-+#ifdef CONFIG_OLPC
-+ struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);
-+ struct snd_ac97 *ac97 = cs5535au->ac97;
-+
-+ /* Disable Analog Input */
-+ olpc_ai_enable(ac97, 0);
-+ /* Disable V_ref bias. */
-+ snd_ac97_update_bits(ac97, AC97_AD_MISC, 1<<AC97_AD_VREFD_SHIFT,
-+ 1<<AC97_AD_VREFD_SHIFT);
-+#endif
-+
- return 0;
- }
-
-Index: linux-2.6.23.17/sound/pci/cs5535audio/cs5535audio_pm.c
-===================================================================
---- linux-2.6.23.17.orig/sound/pci/cs5535audio/cs5535audio_pm.c
-+++ linux-2.6.23.17/sound/pci/cs5535audio/cs5535audio_pm.c
-@@ -64,18 +64,21 @@ int snd_cs5535audio_suspend(struct pci_d
- int i;
-
- snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
-+ snd_pcm_suspend_all(cs5535au->pcm);
-+ snd_ac97_suspend(cs5535au->ac97);
- for (i = 0; i < NUM_CS5535AUDIO_DMAS; i++) {
- struct cs5535audio_dma *dma = &cs5535au->dmas[i];
-- if (dma && dma->substream && !dma->suspended)
-+ if (dma && dma->substream)
- dma->saved_prd = dma->ops->read_prd(cs5535au);
- }
-- snd_pcm_suspend_all(cs5535au->pcm);
-- snd_ac97_suspend(cs5535au->ac97);
- /* save important regs, then disable aclink in hw */
- snd_cs5535audio_stop_hardware(cs5535au);
-
-+ if (pci_save_state(pci)) {
-+ printk(KERN_ERR "cs5535audio: pci_save_state failed!\n");
-+ return -EIO;
-+ }
- pci_disable_device(pci);
-- pci_save_state(pci);
- pci_set_power_state(pci, pci_choose_state(pci, state));
- return 0;
- }
-@@ -89,7 +92,12 @@ int snd_cs5535audio_resume(struct pci_de
- int i;
-
- pci_set_power_state(pci, PCI_D0);
-- pci_restore_state(pci);
-+ if (pci_restore_state(pci) < 0) {
-+ printk(KERN_ERR "cs5535audio: pci_restore_state failed, "
-+ "disabling device\n");
-+ snd_card_disconnect(card);
-+ return -EIO;
-+ }
- if (pci_enable_device(pci) < 0) {
- printk(KERN_ERR "cs5535audio: pci_enable_device failed, "
- "disabling device\n");
-@@ -112,17 +120,17 @@ int snd_cs5535audio_resume(struct pci_de
- if (!timeout)
- snd_printk(KERN_ERR "Failure getting AC Link ready\n");
-
-- /* we depend on ac97 to perform the codec power up */
-- snd_ac97_resume(cs5535au->ac97);
- /* set up rate regs, dma. actual initiation is done in trig */
- for (i = 0; i < NUM_CS5535AUDIO_DMAS; i++) {
- struct cs5535audio_dma *dma = &cs5535au->dmas[i];
-- if (dma && dma->substream && dma->suspended) {
-+ if (dma && dma->substream) {
- dma->substream->ops->prepare(dma->substream);
- dma->ops->setup_prd(cs5535au, dma->saved_prd);
- }
- }
--
-+
-+ /* we depend on ac97 to perform the codec power up */
-+ snd_ac97_resume(cs5535au->ac97);
- snd_power_change_state(card, SNDRV_CTL_POWER_D0);
-
- return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 19:05:45 +0000