diff options
Diffstat (limited to 'sound/arm')
| -rw-r--r-- | sound/arm/Makefile | 4 | ||||
| -rw-r--r-- | sound/arm/aaci.c | 23 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-ac97-lib.c | 149 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-ac97-regs.h | 100 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-ac97.c | 38 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-pcm-lib.c | 102 |
6 files changed, 222 insertions, 194 deletions
diff --git a/sound/arm/Makefile b/sound/arm/Makefile index 34c769489877..899edb4bb278 100644 --- a/sound/arm/Makefile +++ b/sound/arm/Makefile @@ -4,11 +4,11 @@ # obj-$(CONFIG_SND_ARMAACI) += snd-aaci.o -snd-aaci-objs := aaci.o +snd-aaci-y := aaci.o obj-$(CONFIG_SND_PXA2XX_LIB) += snd-pxa2xx-lib.o snd-pxa2xx-lib-y := pxa2xx-pcm-lib.o snd-pxa2xx-lib-$(CONFIG_SND_PXA2XX_LIB_AC97) += pxa2xx-ac97-lib.o obj-$(CONFIG_SND_PXA2XX_AC97) += snd-pxa2xx-ac97.o -snd-pxa2xx-ac97-objs := pxa2xx-ac97.o +snd-pxa2xx-ac97-y := pxa2xx-ac97.o diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c index a0996c47e58f..243965615ef2 100644 --- a/sound/arm/aaci.c +++ b/sound/arm/aaci.c @@ -737,10 +737,8 @@ static const struct snd_pcm_ops aaci_capture_ops = { /* * Power Management. */ -#ifdef CONFIG_PM static int aaci_do_suspend(struct snd_card *card) { - struct aaci *aaci = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3cold); return 0; } @@ -763,12 +761,7 @@ static int aaci_resume(struct device *dev) return card ? aaci_do_resume(card) : 0; } -static SIMPLE_DEV_PM_OPS(aaci_dev_pm_ops, aaci_suspend, aaci_resume); -#define AACI_DEV_PM_OPS (&aaci_dev_pm_ops) -#else -#define AACI_DEV_PM_OPS NULL -#endif - +static DEFINE_SIMPLE_DEV_PM_OPS(aaci_dev_pm_ops, aaci_suspend, aaci_resume); static const struct ac97_pcm ac97_defs[] = { [0] = { /* Front PCM */ @@ -890,8 +883,8 @@ static struct aaci *aaci_init_card(struct amba_device *dev) card->private_free = aaci_free_card; - strlcpy(card->driver, DRIVER_NAME, sizeof(card->driver)); - strlcpy(card->shortname, "ARM AC'97 Interface", sizeof(card->shortname)); + strscpy(card->driver, DRIVER_NAME, sizeof(card->driver)); + strscpy(card->shortname, "ARM AC'97 Interface", sizeof(card->shortname)); snprintf(card->longname, sizeof(card->longname), "%s PL%03x rev%u at 0x%08llx, irq %d", card->shortname, amba_part(dev), amba_rev(dev), @@ -921,7 +914,7 @@ static int aaci_init_pcm(struct aaci *aaci) pcm->private_data = aaci; pcm->info_flags = 0; - strlcpy(pcm->name, DRIVER_NAME, sizeof(pcm->name)); + strscpy(pcm->name, DRIVER_NAME, sizeof(pcm->name)); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &aaci_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &aaci_capture_ops); @@ -1055,7 +1048,7 @@ static int aaci_probe(struct amba_device *dev, return ret; } -static int aaci_remove(struct amba_device *dev) +static void aaci_remove(struct amba_device *dev) { struct snd_card *card = amba_get_drvdata(dev); @@ -1066,11 +1059,9 @@ static int aaci_remove(struct amba_device *dev) snd_card_free(card); amba_release_regions(dev); } - - return 0; } -static struct amba_id aaci_ids[] = { +static const struct amba_id aaci_ids[] = { { .id = 0x00041041, .mask = 0x000fffff, @@ -1083,7 +1074,7 @@ MODULE_DEVICE_TABLE(amba, aaci_ids); static struct amba_driver aaci_driver = { .drv = { .name = DRIVER_NAME, - .pm = AACI_DEV_PM_OPS, + .pm = &aaci_dev_pm_ops, }, .probe = aaci_probe, .remove = aaci_remove, diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c index 58274b4a1f09..a03a3291de84 100644 --- a/sound/arm/pxa2xx-ac97-lib.c +++ b/sound/arm/pxa2xx-ac97-lib.c @@ -17,12 +17,13 @@ #include <linux/io.h> #include <linux/gpio.h> #include <linux/of_gpio.h> +#include <linux/soc/pxa/cpu.h> #include <sound/pxa2xx-lib.h> -#include <mach/irqs.h> -#include <mach/regs-ac97.h> -#include <mach/audio.h> +#include <linux/platform_data/asoc-pxa.h> + +#include "pxa2xx-ac97-regs.h" static DEFINE_MUTEX(car_mutex); static DECLARE_WAIT_QUEUE_HEAD(gsr_wq); @@ -30,8 +31,7 @@ static volatile long gsr_bits; static struct clk *ac97_clk; static struct clk *ac97conf_clk; static int reset_gpio; - -extern void pxa27x_configure_ac97reset(int reset_gpio, bool to_gpio); +static void __iomem *ac97_reg_base; /* * Beware PXA27x bugs: @@ -46,7 +46,7 @@ extern void pxa27x_configure_ac97reset(int reset_gpio, bool to_gpio); int pxa2xx_ac97_read(int slot, unsigned short reg) { int val = -ENODEV; - volatile u32 *reg_addr; + u32 __iomem *reg_addr; if (slot > 0) return -ENODEV; @@ -55,31 +55,33 @@ int pxa2xx_ac97_read(int slot, unsigned short reg) /* set up primary or secondary codec space */ if (cpu_is_pxa25x() && reg == AC97_GPIO_STATUS) - reg_addr = slot ? &SMC_REG_BASE : &PMC_REG_BASE; + reg_addr = ac97_reg_base + + (slot ? SMC_REG_BASE : PMC_REG_BASE); else - reg_addr = slot ? &SAC_REG_BASE : &PAC_REG_BASE; + reg_addr = ac97_reg_base + + (slot ? SAC_REG_BASE : PAC_REG_BASE); reg_addr += (reg >> 1); /* start read access across the ac97 link */ - GSR = GSR_CDONE | GSR_SDONE; + writel(GSR_CDONE | GSR_SDONE, ac97_reg_base + GSR); gsr_bits = 0; - val = (*reg_addr & 0xffff); + val = (readl(reg_addr) & 0xffff); if (reg == AC97_GPIO_STATUS) goto out; - if (wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_SDONE, 1) <= 0 && - !((GSR | gsr_bits) & GSR_SDONE)) { + if (wait_event_timeout(gsr_wq, (readl(ac97_reg_base + GSR) | gsr_bits) & GSR_SDONE, 1) <= 0 && + !((readl(ac97_reg_base + GSR) | gsr_bits) & GSR_SDONE)) { printk(KERN_ERR "%s: read error (ac97_reg=%d GSR=%#lx)\n", - __func__, reg, GSR | gsr_bits); + __func__, reg, readl(ac97_reg_base + GSR) | gsr_bits); val = -ETIMEDOUT; goto out; } /* valid data now */ - GSR = GSR_CDONE | GSR_SDONE; + writel(GSR_CDONE | GSR_SDONE, ac97_reg_base + GSR); gsr_bits = 0; - val = (*reg_addr & 0xffff); + val = (readl(reg_addr) & 0xffff); /* but we've just started another cycle... */ - wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_SDONE, 1); + wait_event_timeout(gsr_wq, (readl(ac97_reg_base + GSR) | gsr_bits) & GSR_SDONE, 1); out: mutex_unlock(&car_mutex); return val; @@ -88,25 +90,27 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_read); int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val) { - volatile u32 *reg_addr; + u32 __iomem *reg_addr; int ret = 0; mutex_lock(&car_mutex); /* set up primary or secondary codec space */ if (cpu_is_pxa25x() && reg == AC97_GPIO_STATUS) - reg_addr = slot ? &SMC_REG_BASE : &PMC_REG_BASE; + reg_addr = ac97_reg_base + + (slot ? SMC_REG_BASE : PMC_REG_BASE); else - reg_addr = slot ? &SAC_REG_BASE : &PAC_REG_BASE; + reg_addr = ac97_reg_base + + (slot ? SAC_REG_BASE : PAC_REG_BASE); reg_addr += (reg >> 1); - GSR = GSR_CDONE | GSR_SDONE; + writel(GSR_CDONE | GSR_SDONE, ac97_reg_base + GSR); gsr_bits = 0; - *reg_addr = val; - if (wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_CDONE, 1) <= 0 && - !((GSR | gsr_bits) & GSR_CDONE)) { + writel(val, reg_addr); + if (wait_event_timeout(gsr_wq, (readl(ac97_reg_base + GSR) | gsr_bits) & GSR_CDONE, 1) <= 0 && + !((readl(ac97_reg_base + GSR) | gsr_bits) & GSR_CDONE)) { printk(KERN_ERR "%s: write error (ac97_reg=%d GSR=%#lx)\n", - __func__, reg, GSR | gsr_bits); + __func__, reg, readl(ac97_reg_base + GSR) | gsr_bits); ret = -EIO; } @@ -120,17 +124,17 @@ static inline void pxa_ac97_warm_pxa25x(void) { gsr_bits = 0; - GCR |= GCR_WARM_RST; + writel(readl(ac97_reg_base + GCR) | (GCR_WARM_RST), ac97_reg_base + GCR); } static inline void pxa_ac97_cold_pxa25x(void) { - GCR &= GCR_COLD_RST; /* clear everything but nCRST */ - GCR &= ~GCR_COLD_RST; /* then assert nCRST */ + writel(readl(ac97_reg_base + GCR) & ( GCR_COLD_RST), ac97_reg_base + GCR); /* clear everything but nCRST */ + writel(readl(ac97_reg_base + GCR) & (~GCR_COLD_RST), ac97_reg_base + GCR); /* then assert nCRST */ gsr_bits = 0; - GCR = GCR_COLD_RST; + writel(GCR_COLD_RST, ac97_reg_base + GCR); } #endif @@ -142,15 +146,15 @@ static inline void pxa_ac97_warm_pxa27x(void) /* warm reset broken on Bulverde, so manually keep AC97 reset high */ pxa27x_configure_ac97reset(reset_gpio, true); udelay(10); - GCR |= GCR_WARM_RST; + writel(readl(ac97_reg_base + GCR) | (GCR_WARM_RST), ac97_reg_base + GCR); pxa27x_configure_ac97reset(reset_gpio, false); udelay(500); } static inline void pxa_ac97_cold_pxa27x(void) { - GCR &= GCR_COLD_RST; /* clear everything but nCRST */ - GCR &= ~GCR_COLD_RST; /* then assert nCRST */ + writel(readl(ac97_reg_base + GCR) & ( GCR_COLD_RST), ac97_reg_base + GCR); /* clear everything but nCRST */ + writel(readl(ac97_reg_base + GCR) & (~GCR_COLD_RST), ac97_reg_base + GCR); /* then assert nCRST */ gsr_bits = 0; @@ -158,7 +162,7 @@ static inline void pxa_ac97_cold_pxa27x(void) clk_prepare_enable(ac97conf_clk); udelay(5); clk_disable_unprepare(ac97conf_clk); - GCR = GCR_COLD_RST | GCR_WARM_RST; + writel(GCR_COLD_RST | GCR_WARM_RST, ac97_reg_base + GCR); } #endif @@ -168,26 +172,26 @@ static inline void pxa_ac97_warm_pxa3xx(void) gsr_bits = 0; /* Can't use interrupts */ - GCR |= GCR_WARM_RST; + writel(readl(ac97_reg_base + GCR) | (GCR_WARM_RST), ac97_reg_base + GCR); } static inline void pxa_ac97_cold_pxa3xx(void) { /* Hold CLKBPB for 100us */ - GCR = 0; - GCR = GCR_CLKBPB; + writel(0, ac97_reg_base + GCR); + writel(GCR_CLKBPB, ac97_reg_base + GCR); udelay(100); - GCR = 0; + writel(0, ac97_reg_base + GCR); - GCR &= GCR_COLD_RST; /* clear everything but nCRST */ - GCR &= ~GCR_COLD_RST; /* then assert nCRST */ + writel(readl(ac97_reg_base + GCR) & ( GCR_COLD_RST), ac97_reg_base + GCR); /* clear everything but nCRST */ + writel(readl(ac97_reg_base + GCR) & (~GCR_COLD_RST), ac97_reg_base + GCR); /* then assert nCRST */ gsr_bits = 0; /* Can't use interrupts on PXA3xx */ - GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN); + writel(readl(ac97_reg_base + GCR) & (~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN)), ac97_reg_base + GCR); - GCR = GCR_WARM_RST | GCR_COLD_RST; + writel(GCR_WARM_RST | GCR_COLD_RST, ac97_reg_base + GCR); } #endif @@ -213,10 +217,10 @@ bool pxa2xx_ac97_try_warm_reset(void) #endif snd_BUG(); - while (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--) + while (!((readl(ac97_reg_base + GSR) | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--) mdelay(1); - gsr = GSR | gsr_bits; + gsr = readl(ac97_reg_base + GSR) | gsr_bits; if (!(gsr & (GSR_PCR | GSR_SCR))) { printk(KERN_INFO "%s: warm reset timeout (GSR=%#lx)\n", __func__, gsr); @@ -250,10 +254,10 @@ bool pxa2xx_ac97_try_cold_reset(void) #endif snd_BUG(); - while (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--) + while (!((readl(ac97_reg_base + GSR) | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--) mdelay(1); - gsr = GSR | gsr_bits; + gsr = readl(ac97_reg_base + GSR) | gsr_bits; if (!(gsr & (GSR_PCR | GSR_SCR))) { printk(KERN_INFO "%s: cold reset timeout (GSR=%#lx)\n", __func__, gsr); @@ -268,8 +272,10 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_try_cold_reset); void pxa2xx_ac97_finish_reset(void) { - GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN); - GCR |= GCR_SDONE_IE|GCR_CDONE_IE; + u32 gcr = readl(ac97_reg_base + GCR); + gcr &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN); + gcr |= GCR_SDONE_IE|GCR_CDONE_IE; + writel(gcr, ac97_reg_base + GCR); } EXPORT_SYMBOL_GPL(pxa2xx_ac97_finish_reset); @@ -277,9 +283,9 @@ static irqreturn_t pxa2xx_ac97_irq(int irq, void *dev_id) { long status; - status = GSR; + status = readl(ac97_reg_base + GSR); if (status) { - GSR = status; + writel(status, ac97_reg_base + GSR); gsr_bits |= status; wake_up(&gsr_wq); @@ -287,9 +293,9 @@ static irqreturn_t pxa2xx_ac97_irq(int irq, void *dev_id) since they tend to spuriously trigger when MMC is used (hardware bug? go figure)... */ if (cpu_is_pxa27x()) { - MISR = MISR_EOC; - PISR = PISR_EOC; - MCSR = MCSR_EOC; + writel(MISR_EOC, ac97_reg_base + MISR); + writel(PISR_EOC, ac97_reg_base + PISR); + writel(MCSR_EOC, ac97_reg_base + MCSR); } return IRQ_HANDLED; @@ -301,7 +307,7 @@ static irqreturn_t pxa2xx_ac97_irq(int irq, void *dev_id) #ifdef CONFIG_PM int pxa2xx_ac97_hw_suspend(void) { - GCR |= GCR_ACLINK_OFF; + writel(readl(ac97_reg_base + GCR) | (GCR_ACLINK_OFF), ac97_reg_base + GCR); clk_disable_unprepare(ac97_clk); return 0; } @@ -318,8 +324,15 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_hw_resume); int pxa2xx_ac97_hw_probe(struct platform_device *dev) { int ret; + int irq; pxa2xx_audio_ops_t *pdata = dev->dev.platform_data; + ac97_reg_base = devm_platform_ioremap_resource(dev, 0); + if (IS_ERR(ac97_reg_base)) { + dev_err(&dev->dev, "Missing MMIO resource\n"); + return PTR_ERR(ac97_reg_base); + } + if (pdata) { switch (pdata->reset_gpio) { case 95: @@ -386,14 +399,20 @@ int pxa2xx_ac97_hw_probe(struct platform_device *dev) if (ret) goto err_clk2; - ret = request_irq(IRQ_AC97, pxa2xx_ac97_irq, 0, "AC97", NULL); + irq = platform_get_irq(dev, 0); + if (irq < 0) { + ret = irq; + goto err_irq; + } + + ret = request_irq(irq, pxa2xx_ac97_irq, 0, "AC97", NULL); if (ret < 0) goto err_irq; return 0; err_irq: - GCR |= GCR_ACLINK_OFF; + writel(readl(ac97_reg_base + GCR) | (GCR_ACLINK_OFF), ac97_reg_base + GCR); err_clk2: clk_put(ac97_clk); ac97_clk = NULL; @@ -411,8 +430,8 @@ void pxa2xx_ac97_hw_remove(struct platform_device *dev) { if (cpu_is_pxa27x()) gpio_free(reset_gpio); - GCR |= GCR_ACLINK_OFF; - free_irq(IRQ_AC97, NULL); + writel(readl(ac97_reg_base + GCR) | (GCR_ACLINK_OFF), ac97_reg_base + GCR); + free_irq(platform_get_irq(dev, 0), NULL); if (ac97conf_clk) { clk_put(ac97conf_clk); ac97conf_clk = NULL; @@ -423,6 +442,24 @@ void pxa2xx_ac97_hw_remove(struct platform_device *dev) } EXPORT_SYMBOL_GPL(pxa2xx_ac97_hw_remove); +u32 pxa2xx_ac97_read_modr(void) +{ + if (!ac97_reg_base) + return 0; + + return readl(ac97_reg_base + MODR); +} +EXPORT_SYMBOL_GPL(pxa2xx_ac97_read_modr); + +u32 pxa2xx_ac97_read_misr(void) +{ + if (!ac97_reg_base) + return 0; + + return readl(ac97_reg_base + MISR); +} +EXPORT_SYMBOL_GPL(pxa2xx_ac97_read_misr); + MODULE_AUTHOR("Nicolas Pitre"); MODULE_DESCRIPTION("Intel/Marvell PXA sound library"); MODULE_LICENSE("GPL"); diff --git a/sound/arm/pxa2xx-ac97-regs.h b/sound/arm/pxa2xx-ac97-regs.h new file mode 100644 index 000000000000..ae638a1b919b --- /dev/null +++ b/sound/arm/pxa2xx-ac97-regs.h @@ -0,0 +1,100 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_ARCH_REGS_AC97_H +#define __ASM_ARCH_REGS_AC97_H + +/* + * AC97 Controller registers + */ + +#define POCR (0x0000) /* PCM Out Control Register */ +#define POCR_FEIE (1 << 3) /* FIFO Error Interrupt Enable */ +#define POCR_FSRIE (1 << 1) /* FIFO Service Request Interrupt Enable */ + +#define PICR (0x0004) /* PCM In Control Register */ +#define PICR_FEIE (1 << 3) /* FIFO Error Interrupt Enable */ +#define PICR_FSRIE (1 << 1) /* FIFO Service Request Interrupt Enable */ + +#define MCCR (0x0008) /* Mic In Control Register */ +#define MCCR_FEIE (1 << 3) /* FIFO Error Interrupt Enable */ +#define MCCR_FSRIE (1 << 1) /* FIFO Service Request Interrupt Enable */ + +#define GCR (0x000C) /* Global Control Register */ +#ifdef CONFIG_PXA3xx +#define GCR_CLKBPB (1 << 31) /* Internal clock enable */ +#endif +#define GCR_nDMAEN (1 << 24) /* non DMA Enable */ +#define GCR_CDONE_IE (1 << 19) /* Command Done Interrupt Enable */ +#define GCR_SDONE_IE (1 << 18) /* Status Done Interrupt Enable */ +#define GCR_SECRDY_IEN (1 << 9) /* Secondary Ready Interrupt Enable */ +#define GCR_PRIRDY_IEN (1 << 8) /* Primary Ready Interrupt Enable */ +#define GCR_SECRES_IEN (1 << 5) /* Secondary Resume Interrupt Enable */ +#define GCR_PRIRES_IEN (1 << 4) /* Primary Resume Interrupt Enable */ +#define GCR_ACLINK_OFF (1 << 3) /* AC-link Shut Off */ +#define GCR_WARM_RST (1 << 2) /* AC97 Warm Reset */ +#define GCR_COLD_RST (1 << 1) /* AC'97 Cold Reset (0 = active) */ +#define GCR_GIE (1 << 0) /* Codec GPI Interrupt Enable */ + +#define POSR (0x0010) /* PCM Out Status Register */ +#define POSR_FIFOE (1 << 4) /* FIFO error */ +#define POSR_FSR (1 << 2) /* FIFO Service Request */ + +#define PISR (0x0014) /* PCM In Status Register */ +#define PISR_FIFOE (1 << 4) /* FIFO error */ +#define PISR_EOC (1 << 3) /* DMA End-of-Chain (exclusive clear) */ +#define PISR_FSR (1 << 2) /* FIFO Service Request */ + +#define MCSR (0x0018) /* Mic In Status Register */ +#define MCSR_FIFOE (1 << 4) /* FIFO error */ +#define MCSR_EOC (1 << 3) /* DMA End-of-Chain (exclusive clear) */ +#define MCSR_FSR (1 << 2) /* FIFO Service Request */ + +#define GSR (0x001C) /* Global Status Register */ +#define GSR_CDONE (1 << 19) /* Command Done */ +#define GSR_SDONE (1 << 18) /* Status Done */ +#define GSR_RDCS (1 << 15) /* Read Completion Status */ +#define GSR_BIT3SLT12 (1 << 14) /* Bit 3 of slot 12 */ +#define GSR_BIT2SLT12 (1 << 13) /* Bit 2 of slot 12 */ +#define GSR_BIT1SLT12 (1 << 12) /* Bit 1 of slot 12 */ +#define GSR_SECRES (1 << 11) /* Secondary Resume Interrupt */ +#define GSR_PRIRES (1 << 10) /* Primary Resume Interrupt */ +#define GSR_SCR (1 << 9) /* Secondary Codec Ready */ +#define GSR_PCR (1 << 8) /* Primary Codec Ready */ +#define GSR_MCINT (1 << 7) /* Mic In Interrupt */ +#define GSR_POINT (1 << 6) /* PCM Out Interrupt */ +#define GSR_PIINT (1 << 5) /* PCM In Interrupt */ +#define GSR_ACOFFD (1 << 3) /* AC-link Shut Off Done */ +#define GSR_MOINT (1 << 2) /* Modem Out Interrupt */ +#define GSR_MIINT (1 << 1) /* Modem In Interrupt */ +#define GSR_GSCI (1 << 0) /* Codec GPI Status Change Interrupt */ + +#define CAR (0x0020) /* CODEC Access Register */ +#define CAR_CAIP (1 << 0) /* Codec Access In Progress */ + +#define PCDR (0x0040) /* PCM FIFO Data Register */ +#define MCDR (0x0060) /* Mic-in FIFO Data Register */ + +#define MOCR (0x0100) /* Modem Out Control Register */ +#define MOCR_FEIE (1 << 3) /* FIFO Error */ +#define MOCR_FSRIE (1 << 1) /* FIFO Service Request Interrupt Enable */ + +#define MICR (0x0108) /* Modem In Control Register */ +#define MICR_FEIE (1 << 3) /* FIFO Error */ +#define MICR_FSRIE (1 << 1) /* FIFO Service Request Interrupt Enable */ + +#define MOSR (0x0110) /* Modem Out Status Register */ +#define MOSR_FIFOE (1 << 4) /* FIFO error */ +#define MOSR_FSR (1 << 2) /* FIFO Service Request */ + +#define MISR (0x0118) /* Modem In Status Register */ +#define MISR_FIFOE (1 << 4) /* FIFO error */ +#define MISR_EOC (1 << 3) /* DMA End-of-Chain (exclusive clear) */ +#define MISR_FSR (1 << 2) /* FIFO Service Request */ + +#define MODR (0x0140) /* Modem FIFO Data Register */ + +#define PAC_REG_BASE (0x0200) /* Primary Audio Codec */ +#define SAC_REG_BASE (0x0300) /* Secondary Audio Codec */ +#define PMC_REG_BASE (0x0400) /* Primary Modem Codec */ +#define SMC_REG_BASE (0x0500) /* Secondary Modem Codec */ + +#endif /* __ASM_ARCH_REGS_AC97_H */ diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c index ea8e233150c8..77b11616a7ee 100644 --- a/sound/arm/pxa2xx-ac97.c +++ b/sound/arm/pxa2xx-ac97.c @@ -21,8 +21,7 @@ #include <sound/pxa2xx-lib.h> #include <sound/dmaengine_pcm.h> -#include <mach/regs-ac97.h> -#include <mach/audio.h> +#include <linux/platform_data/asoc-pxa.h> static void pxa2xx_ac97_legacy_reset(struct snd_ac97 *ac97) { @@ -47,9 +46,7 @@ static unsigned short pxa2xx_ac97_legacy_read(struct snd_ac97 *ac97, static void pxa2xx_ac97_legacy_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) { - int __always_unused ret; - - ret = pxa2xx_ac97_write(ac97->num, reg, val); + pxa2xx_ac97_write(ac97->num, reg, val); } static const struct snd_ac97_bus_ops pxa2xx_ac97_ops = { @@ -114,8 +111,6 @@ static int pxa2xx_ac97_pcm_prepare(struct snd_pcm_substream *substream) return snd_ac97_set_rate(pxa2xx_ac97_ac97, reg, runtime->rate); } -#ifdef CONFIG_PM_SLEEP - static int pxa2xx_ac97_do_suspend(struct snd_card *card) { pxa2xx_audio_ops_t *platform_ops = card->dev->platform_data; @@ -167,45 +162,34 @@ static int pxa2xx_ac97_resume(struct device *dev) return ret; } -static SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops, pxa2xx_ac97_suspend, pxa2xx_ac97_resume); -#endif +static DEFINE_SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops, pxa2xx_ac97_suspend, pxa2xx_ac97_resume); static const struct snd_pcm_ops pxa2xx_ac97_pcm_ops = { .open = pxa2xx_ac97_pcm_open, .close = pxa2xx_ac97_pcm_close, .hw_params = pxa2xx_pcm_hw_params, - .hw_free = pxa2xx_pcm_hw_free, .prepare = pxa2xx_ac97_pcm_prepare, .trigger = pxa2xx_pcm_trigger, .pointer = pxa2xx_pcm_pointer, - .mmap = pxa2xx_pcm_mmap, }; static int pxa2xx_ac97_pcm_new(struct snd_card *card) { struct snd_pcm *pcm; - int stream, ret; + int ret; ret = snd_pcm_new(card, "PXA2xx-PCM", 0, 1, 1, &pcm); if (ret) goto out; - pcm->private_free = pxa2xx_pcm_free_dma_buffers; - ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); if (ret) goto out; - stream = SNDRV_PCM_STREAM_PLAYBACK; - snd_pcm_set_ops(pcm, stream, &pxa2xx_ac97_pcm_ops); - ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream); - if (ret) - goto out; - - stream = SNDRV_PCM_STREAM_CAPTURE; - snd_pcm_set_ops(pcm, stream, &pxa2xx_ac97_pcm_ops); - ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pxa2xx_ac97_pcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pxa2xx_ac97_pcm_ops); + ret = pxa2xx_pcm_preallocate_dma_buffer(pcm); if (ret) goto out; @@ -235,7 +219,7 @@ static int pxa2xx_ac97_probe(struct platform_device *dev) if (ret < 0) goto err; - strlcpy(card->driver, dev->dev.driver->name, sizeof(card->driver)); + strscpy(card->driver, dev->dev.driver->name, sizeof(card->driver)); ret = pxa2xx_ac97_pcm_new(card); if (ret) @@ -275,7 +259,7 @@ err_dev: return ret; } -static int pxa2xx_ac97_remove(struct platform_device *dev) +static void pxa2xx_ac97_remove(struct platform_device *dev) { struct snd_card *card = platform_get_drvdata(dev); @@ -283,8 +267,6 @@ static int pxa2xx_ac97_remove(struct platform_device *dev) snd_card_free(card); pxa2xx_ac97_hw_remove(dev); } - - return 0; } static struct platform_driver pxa2xx_ac97_driver = { @@ -292,9 +274,7 @@ static struct platform_driver pxa2xx_ac97_driver = { .remove = pxa2xx_ac97_remove, .driver = { .name = "pxa2xx-ac97", -#ifdef CONFIG_PM_SLEEP .pm = &pxa2xx_ac97_pm_ops, -#endif }, }; diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c index e81083e1bc68..571e9d909cdf 100644 --- a/sound/arm/pxa2xx-pcm-lib.c +++ b/sound/arm/pxa2xx-pcm-lib.c @@ -33,12 +33,12 @@ int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream); - struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct snd_dmaengine_dai_dma_data *dma_params; struct dma_slave_config config; int ret; - dma_params = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream); + dma_params = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream); if (!dma_params) return 0; @@ -47,26 +47,17 @@ int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, return ret; snd_dmaengine_pcm_set_config_from_dai_data(substream, - snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream), + snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream), &config); ret = dmaengine_slave_config(chan, &config); if (ret) return ret; - snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); - return 0; } EXPORT_SYMBOL(pxa2xx_pcm_hw_params); -int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream) -{ - snd_pcm_set_runtime_buffer(substream, NULL); - return 0; -} -EXPORT_SYMBOL(pxa2xx_pcm_hw_free); - int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { return snd_dmaengine_pcm_trigger(substream, cmd); @@ -88,14 +79,14 @@ EXPORT_SYMBOL(pxa2xx_pcm_prepare); int pxa2xx_pcm_open(struct snd_pcm_substream *substream) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_dmaengine_dai_dma_data *dma_params; int ret; runtime->hw = pxa2xx_pcm_hardware; - dma_params = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream); + dma_params = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream); if (!dma_params) return 0; @@ -120,7 +111,7 @@ int pxa2xx_pcm_open(struct snd_pcm_substream *substream) return ret; return snd_dmaengine_pcm_open( - substream, dma_request_slave_channel(asoc_rtd_to_cpu(rtd, 0)->dev, + substream, dma_request_slave_channel(snd_soc_rtd_to_cpu(rtd, 0)->dev, dma_params->chan_name)); } EXPORT_SYMBOL(pxa2xx_pcm_open); @@ -131,56 +122,14 @@ int pxa2xx_pcm_close(struct snd_pcm_substream *substream) } EXPORT_SYMBOL(pxa2xx_pcm_close); -int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream, - struct vm_area_struct *vma) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - return dma_mmap_wc(substream->pcm->card->dev, vma, runtime->dma_area, - runtime->dma_addr, runtime->dma_bytes); -} -EXPORT_SYMBOL(pxa2xx_pcm_mmap); - -int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) +int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm) { - struct snd_pcm_substream *substream = pcm->streams[stream].substream; - struct snd_dma_buffer *buf = &substream->dma_buffer; size_t size = pxa2xx_pcm_hardware.buffer_bytes_max; - buf->dev.type = SNDRV_DMA_TYPE_DEV; - buf->dev.dev = pcm->card->dev; - buf->private_data = NULL; - buf->area = dma_alloc_wc(pcm->card->dev, size, &buf->addr, GFP_KERNEL); - if (!buf->area) - return -ENOMEM; - buf->bytes = size; - return 0; -} -EXPORT_SYMBOL(pxa2xx_pcm_preallocate_dma_buffer); -void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm) -{ - struct snd_pcm_substream *substream; - struct snd_dma_buffer *buf; - int stream; - - for (stream = 0; stream < 2; stream++) { - substream = pcm->streams[stream].substream; - if (!substream) - continue; - buf = &substream->dma_buffer; - if (!buf->area) - continue; - dma_free_wc(pcm->card->dev, buf->bytes, buf->area, buf->addr); - buf->area = NULL; - } -} -EXPORT_SYMBOL(pxa2xx_pcm_free_dma_buffers); - -void pxa2xx_soc_pcm_free(struct snd_soc_component *component, - struct snd_pcm *pcm) -{ - pxa2xx_pcm_free_dma_buffers(pcm); + return snd_pcm_set_fixed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_WC, + pcm->card->dev, size); } -EXPORT_SYMBOL(pxa2xx_soc_pcm_free); +EXPORT_SYMBOL(pxa2xx_pcm_preallocate_dma_buffer); int pxa2xx_soc_pcm_new(struct snd_soc_component *component, struct snd_soc_pcm_runtime *rtd) @@ -193,21 +142,7 @@ int pxa2xx_soc_pcm_new(struct snd_soc_component *component, if (ret) return ret; - if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { - ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_PLAYBACK); - if (ret) - goto out; - } - - if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { - ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_CAPTURE); - if (ret) - goto out; - } - out: - return ret; + return pxa2xx_pcm_preallocate_dma_buffer(pcm); } EXPORT_SYMBOL(pxa2xx_soc_pcm_new); @@ -233,13 +168,6 @@ int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component, } EXPORT_SYMBOL(pxa2xx_soc_pcm_hw_params); -int pxa2xx_soc_pcm_hw_free(struct snd_soc_component *component, - struct snd_pcm_substream *substream) -{ - return pxa2xx_pcm_hw_free(substream); -} -EXPORT_SYMBOL(pxa2xx_soc_pcm_hw_free); - int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component, struct snd_pcm_substream *substream) { @@ -262,14 +190,6 @@ pxa2xx_soc_pcm_pointer(struct snd_soc_component *component, } EXPORT_SYMBOL(pxa2xx_soc_pcm_pointer); -int pxa2xx_soc_pcm_mmap(struct snd_soc_component *component, - struct snd_pcm_substream *substream, - struct vm_area_struct *vma) -{ - return pxa2xx_pcm_mmap(substream, vma); -} -EXPORT_SYMBOL(pxa2xx_soc_pcm_mmap); - MODULE_AUTHOR("Nicolas Pitre"); MODULE_DESCRIPTION("Intel PXA2xx sound library"); MODULE_LICENSE("GPL"); |