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-rw-r--r--target/linux/coldfire/patches/033-m5445x_ssi_cleanup.patch437
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 068323b06d..0000000000
--- 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");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 18:11:09 +0000