diff options
author | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-11-22 13:31:46 +0000 |
---|---|---|
committer | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-11-22 13:31:46 +0000 |
commit | 02028358c7be16b3a798973bd88432ca68cfdfdf (patch) | |
tree | a5e99f7798071ae6ca4b0fbd43d490c0987393db /target/linux/coldfire/patches/033-m5445x_ssi_cleanup.patch | |
parent | 12a0868f9234d1b7cbf7141959276c809169819b (diff) |
[coldfire]: remove 2.6.25 support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24088 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/coldfire/patches/033-m5445x_ssi_cleanup.patch')
-rw-r--r-- | target/linux/coldfire/patches/033-m5445x_ssi_cleanup.patch | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/target/linux/coldfire/patches/033-m5445x_ssi_cleanup.patch b/target/linux/coldfire/patches/033-m5445x_ssi_cleanup.patch deleted file mode 100644 index 068323b06..000000000 --- a/target/linux/coldfire/patches/033-m5445x_ssi_cleanup.patch +++ /dev/null @@ -1,437 +0,0 @@ -From 98e15babf1e25868d22c024dac6133cc29059d39 Mon Sep 17 00:00:00 2001 -From: Kurt Mahan <kmahan@freescale.com> -Date: Sun, 9 Dec 2007 02:24:13 -0700 -Subject: [PATCH] Fix DMA mode and cleanup driver. - -LTIBName: m5445x-ssi-cleanup -Signed-off-by: Kurt Mahan <kmahan@freescale.com> ---- - drivers/spi/ssi_audio.c | 207 ++++++++++++++++++++++++----------------------- - 1 files changed, 104 insertions(+), 103 deletions(-) - ---- a/drivers/spi/ssi_audio.c -+++ b/drivers/spi/ssi_audio.c -@@ -2,7 +2,7 @@ - * MCF5445x audio driver. - * - * Yaroslav Vinogradov yaroslav.vinogradov@freescale.com -- * Copyright Freescale Semiconductor, Inc. 2006 -+ * Copyright Freescale Semiconductor, Inc. 2006, 2007 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by -@@ -25,9 +25,11 @@ - - #include <asm/coldfire.h> - #include <asm/coldfire_edma.h> -+#ifdef CONFIG_M54455 - #include <asm/mcf5445x_ssi.h> - #include <asm/mcf5445x_ccm.h> - #include <asm/mcf5445x_gpio.h> -+#endif - - #define SOUND_DEVICE_NAME "sound" - #define DRIVER_NAME "ssi_audio" -@@ -47,8 +49,8 @@ - - /* TLV320DAC23 audio chip registers */ - --#define CODEC_LEFT_IN_REG (0x00) --#define CODEC_RIGHT_IN_REG (0x01) -+#define CODEC_LEFT_IN_REG (0x00) -+#define CODEC_RIGHT_IN_REG (0x01) - #define CODEC_LEFT_HP_VOL_REG (0x02) - #define CODEC_RIGHT_HP_VOL_REG (0x03) - #define CODEC_ANALOG_APATH_REG (0x04) -@@ -57,7 +59,7 @@ - #define CODEC_DIGITAL_IF_FMT_REG (0x07) - #define CODEC_SAMPLE_RATE_REG (0x08) - #define CODEC_DIGITAL_IF_ACT_REG (0x09) --#define CODEC_RESET_REG (0x0f) -+#define CODEC_RESET_REG (0x0f) - - #define CODEC_SAMPLE_8KHZ (0x0C) - #define CODEC_SAMPLE_16KHZ (0x58) -@@ -71,21 +73,21 @@ - /* DMA transfer size */ - #define DMASIZE (16*1024) - --/* transmit eDMA channel for SSI channel 0 */ --#define DMA_TCD 10 --/* transmit eDMA channel for SSI channel 1 */ --#define DMA_TCD2 11 -+/* eDMA channel for SSI channel 0 TX */ -+#define DMA_TCD MCF_EDMA_CHAN_TIMER2 -+/* eDMA channel for SSI channel 1 TX */ -+#define DMA_TCD2 MCF_EDMA_CHAN_TIMER3 - - struct ssi_audio { -- struct spi_device *spi; -+ struct spi_device *spi; - u32 speed; - u32 stereo; - u32 bits; - u32 format; -- u8 isopen; -- u8 dmaing; -- u8 ssi_enabled; -- u8 channel; -+ u8 isopen; -+ u8 dmaing; -+ u8 ssi_enabled; -+ u8 channel; - spinlock_t lock; - u8* audio_buf; - }; -@@ -129,7 +131,8 @@ static void ssi_audio_setsamplesize(int - } - - #ifdef AUDIO_DEBUG -- printk(DRIVER_NAME ":ssi_audio_setsamplesize %d %d\n", audio_device->format, audio_device->bits); -+ printk(DRIVER_NAME ":ssi_audio_setsamplesize %d %d\n", -+ audio_device->format, audio_device->bits); - #endif - } - -@@ -157,62 +160,57 @@ void __inline__ ssi_audio_dmarun(void) - { - set_edma_params(DMA_TCD, - #ifdef USE_MMU -- virt_to_phys(&(audio_device->audio_buf[audio_start])), -+ virt_to_phys(&(audio_device->audio_buf[audio_start])), - #else -- (u32)&(audio_device->audio_buf[audio_start]), -+ (u32)&(audio_device->audio_buf[audio_start]), - #endif -- (u32)&MCF_SSI_TX0, -- MCF_EDMA_TCD_ATTR_SSIZE_32BIT | MCF_EDMA_TCD_ATTR_DSIZE_32BIT, -- 8, -- 4, -- 0, -- audio_count/8, -- audio_count/8, -- 0, -- 0, -- 0, // major_int -- 0 // disable_req -- ); -+ (u32)&MCF_SSI_TX0, -+ MCF_EDMA_TCD_ATTR_SSIZE_32BIT | MCF_EDMA_TCD_ATTR_DSIZE_32BIT, -+ 8, -+ 4, -+ 0, -+ audio_count/8, -+ audio_count/8, -+ 0, -+ 0, -+ 0, // major_int -+ 0 // disable_req -+ ); - - set_edma_params(DMA_TCD2, - #ifdef USE_MMU -- virt_to_phys(&(audio_device->audio_buf[audio_start+4])), -+ virt_to_phys(&(audio_device->audio_buf[audio_start+4])), - #else -- (u32)&(audio_device->audio_buf[audio_start+4]), -+ (u32)&(audio_device->audio_buf[audio_start+4]), - #endif -- (u32)&MCF_SSI_TX1, -- MCF_EDMA_TCD_ATTR_SSIZE_32BIT | MCF_EDMA_TCD_ATTR_DSIZE_32BIT, -- 8, -- 4, -- 0, -- audio_count/8, -- audio_count/8, -- 0, -- 0, -- 1, // major_int -- 0 // disable_req -- ); -+ (u32)&MCF_SSI_TX1, -+ MCF_EDMA_TCD_ATTR_SSIZE_32BIT | MCF_EDMA_TCD_ATTR_DSIZE_32BIT, -+ 8, -+ 4, -+ 0, -+ audio_count/8, -+ audio_count/8, -+ 0, -+ 0, -+ 1, // major_int -+ 0 // disable_req -+ ); - - audio_device->dmaing = 1; - audio_txbusy = 1; - - start_edma_transfer(DMA_TCD); - start_edma_transfer(DMA_TCD2); --#if 0 -- MCF_EDMA_ERQ |= (1<<DMA_TCD) | (1<<DMA_TCD2); -- MCF_EDMA_SSRT = DMA_TCD; -- MCF_EDMA_SSRT = DMA_TCD2; --#endif -- - } - --/* -- * Start DMA'ing a new buffer of data if any available. -+/** -+ * ssi_audio_dmabuf - Start DMA'ing a new buffer of data if any available. - */ - static void ssi_audio_dmabuf(void) - { - #ifdef AUDIO_DEBUG -- printk(DRIVER_NAME ":ssi_audio_dmabuf(): append=%x start=%x\n", audio_append, audio_appstart); -+ printk(DRIVER_NAME ":ssi_audio_dmabuf(): append=%x start=%x\n", -+ audio_append, audio_appstart); - #endif - - /* If already running then nothing to do... */ -@@ -241,7 +239,8 @@ static void ssi_audio_dmabuf(void) - } - } - --void __inline__ stop_dma(void) { -+void __inline__ stop_dma(void) -+{ - stop_edma_transfer(DMA_TCD); - stop_edma_transfer(DMA_TCD2); - } -@@ -283,7 +282,6 @@ static void init_dma(void) - - #endif /* CONFIG_SSIAUDIO_USE_EDMA */ - -- - /* Write CODEC register using SPI - * address - CODEC register address - * data - data to be written into register -@@ -296,7 +294,8 @@ static int codec_write(u8 addr, u16 data - return -ENODEV; - - spi_word = ((addr & 0x7F)<<9)|(data & 0x1FF); -- return spi_write(audio_device->spi, (const u8*)&spi_word, sizeof(spi_word)); -+ return spi_write(audio_device->spi, (const u8*)&spi_word, -+ sizeof(spi_word)); - } - - static inline void enable_ssi(void) -@@ -359,7 +358,7 @@ static void init_audio_codec(void) - codec_write(CODEC_DIGITAL_APATH_REG, 0x007); /* Set A path */ - - /* set sample rate */ -- adjust_codec_speed(); -+ adjust_codec_speed(); - - codec_write(CODEC_LEFT_HP_VOL_REG, 0x075); /* set volume */ - codec_write(CODEC_RIGHT_HP_VOL_REG, 0x075); /* set volume */ -@@ -375,13 +374,12 @@ static void chip_init(void) - #endif - - /* Enable the SSI pins */ -- MCF_GPIO_PAR_SSI = ( 0 -- | MCF_GPIO_PAR_SSI_MCLK -- | MCF_GPIO_PAR_SSI_STXD(3) -- | MCF_GPIO_PAR_SSI_SRXD(3) -- | MCF_GPIO_PAR_SSI_FS(3) -- | MCF_GPIO_PAR_SSI_BCLK(3) ); -- -+ MCF_GPIO_PAR_SSI = (0 -+ | MCF_GPIO_PAR_SSI_MCLK -+ | MCF_GPIO_PAR_SSI_STXD(3) -+ | MCF_GPIO_PAR_SSI_SRXD(3) -+ | MCF_GPIO_PAR_SSI_FS(3) -+ | MCF_GPIO_PAR_SSI_BCLK(3) ); - } - - static void init_ssi(void) -@@ -430,8 +428,8 @@ static void init_ssi(void) - ; - - MCF_SSI_FCSR = 0 -- | MCF_SSI_FCSR_TFWM0(0) -- | MCF_SSI_FCSR_TFWM1(0) -+ | MCF_SSI_FCSR_TFWM0(2) -+ | MCF_SSI_FCSR_TFWM1(2) - ; - - MCF_SSI_IER = 0 // interrupts -@@ -459,9 +457,8 @@ static int ssi_audio_isr(int irq, void * - { - unsigned long *bp; - -- if (audio_txbusy==0) { -+ if (audio_txbusy==0) - return IRQ_HANDLED; -- } - - spin_lock(&(audio_device->lock)); - -@@ -560,7 +557,8 @@ static int ssi_audio_close(struct inode - } - - /* write to audio device */ --static ssize_t ssi_audio_write(struct file *filp, const char *buf, size_t count, loff_t *ppos) -+static ssize_t ssi_audio_write(struct file *filp, const char *buf, -+ size_t count, loff_t *ppos) - { - unsigned long *dp, *buflp; - unsigned short *bufwp; -@@ -568,10 +566,12 @@ static ssize_t ssi_audio_write(struct fi - unsigned int slen, bufcnt, i, s, e; - - #ifdef AUDIO_DEBUG -- printk(DRIVER_NAME ":ssi_audio_write(buf=%x,count=%d)\n", (int) buf, count); -+ printk(DRIVER_NAME ":ssi_audio_write(buf=%x,count=%d)\n", -+ (int)buf, count); - #endif - -- if (audio_device==NULL) return (-ENODEV); -+ if (audio_device==NULL) -+ return (-ENODEV); - - if (count <= 0) - return 0; -@@ -592,8 +592,8 @@ static ssize_t ssi_audio_write(struct fi - - tryagain: - /* -- * Get a snapshot of buffer, so we can figure out how -- * much data we can fit in... -+ * Get a snapshot of buffer, so we can figure out how -+ * much data we can fit in... - */ - s = audio_start; - e = audio_append; -@@ -613,11 +613,12 @@ tryagain: - goto tryagain; - } - -- /* For DMA we need to have data as 32 bit -- values (since SSI TX register is 32 bit). -- So, the incomming 16 bit data must be put to buffer as 32 bit values. -- Also, the endianess is converted if needed -- */ -+ /* -+ * For DMA we need to have data as 32 bit -+ * values (since SSI TX register is 32 bit). -+ * So, the incoming 16 bit data must be put to buffer as 32 bit values. -+ * Also, the endianess is converted if needed -+ */ - if (audio_device->stereo) { - if (audio_device->bits == 16) { - if (audio_device->format==AFMT_S16_LE) { -@@ -678,16 +679,19 @@ tryagain: - } - - /* ioctl: control the driver */ --static int ssi_audio_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) -+static int ssi_audio_ioctl(struct inode *inode, struct file *filp, -+ unsigned int cmd, unsigned long arg) - { -- long val; -- int rc = 0; -+ long val; -+ int rc = 0; - - #ifdef AUDIO_DEBUG -- printk(DRIVER_NAME ":ssi_audio_ioctl(cmd=%x,arg=%x)\n", (int) cmd, (int) arg); -+ printk(DRIVER_NAME ":ssi_audio_ioctl(cmd=%x,arg=%x)\n", -+ (int)cmd, (int)arg); - #endif - -- if (audio_device==NULL) return (-ENODEV); -+ if (audio_device==NULL) -+ return (-ENODEV); - - switch (cmd) { - -@@ -744,8 +748,6 @@ static int ssi_audio_ioctl(struct inode - return rc; - } - --/****************************************************************************/ -- - struct file_operations ssi_audio_fops = { - open: ssi_audio_open, /* open */ - release: ssi_audio_close, /* close */ -@@ -756,8 +758,8 @@ struct file_operations ssi_audio_fops = - /* initialize audio driver */ - static int __devinit ssi_audio_probe(struct spi_device *spi) - { -- struct ssi_audio *audio; -- int err; -+ struct ssi_audio *audio; -+ int err; - - #ifdef AUDIO_DEBUG - printk(DRIVER_NAME": probe\n"); -@@ -804,7 +806,7 @@ static int __devinit ssi_audio_probe(str - audio->spi = spi; - - #ifndef CONFIG_SSIAUDIO_USE_EDMA -- if (request_irq(spi->irq, ssi_audio_isr, SA_INTERRUPT, spi->dev.bus_id, audio)) { -+ if (request_irq(spi->irq, ssi_audio_isr, IRQF_DISABLED, spi->dev.bus_id, audio)) { - dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq); - err = -EBUSY; - goto err_free_mem; -@@ -813,25 +815,21 @@ static int __devinit ssi_audio_probe(str - #else - /* request 2 eDMA channels since two channel output mode is used */ - if (request_edma_channel(DMA_TCD, -- ssi_audio_dma_handler_empty, -- NULL, -- audio, -- &(audio_device->lock), -- DRIVER_NAME -- )!=0) -- { -+ ssi_audio_dma_handler_empty, -+ NULL, -+ audio, -+ &(audio_device->lock), -+ DRIVER_NAME)!=0) { - dev_dbg(&spi->dev, "DMA channel %d busy?\n", DMA_TCD); - err = -EBUSY; - goto err_free_mem; - } - if (request_edma_channel(DMA_TCD2, -- ssi_audio_dma_handler, -- NULL, -- audio, -- &(audio_device->lock), -- DRIVER_NAME -- )!=0) -- { -+ ssi_audio_dma_handler, -+ NULL, -+ audio, -+ &(audio_device->lock), -+ DRIVER_NAME)!=0) { - dev_dbg(&spi->dev, "DMA channel %d busy?\n", DMA_TCD2); - err = -EBUSY; - goto err_free_mem; -@@ -870,11 +868,13 @@ static int __devexit ssi_audio_remove(st - return 0; - } - --static int ssi_audio_suspend(struct spi_device *spi, pm_message_t message) { -+static int ssi_audio_suspend(struct spi_device *spi, pm_message_t message) -+{ - return 0; - } - --static int ssi_audio_resume(struct spi_device *spi) { -+static int ssi_audio_resume(struct spi_device *spi) -+{ - return 0; - } - -@@ -902,5 +902,6 @@ static void __exit ssi_audio_exit(void) - } - module_exit(ssi_audio_exit); - --MODULE_DESCRIPTION("SSI/I2S Audio Driver"); - MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Freescale Semiconductor, Inc."); -+MODULE_DESCRIPTION("SSI/I2S Audio Driver"); |