diff options
| author | Koen Kooi <koen@openembedded.org> | 2008-06-12 23:52:21 +0000 |
|---|---|---|
| committer | Koen Kooi <koen@openembedded.org> | 2008-06-12 23:52:21 +0000 |
| commit | ec73e0ba3910754256586703930355a4840e86a8 (patch) | |
| tree | 88688318b8ea1479b7b62332419f7903b4a067a7 /packages | |
| parent | 0d568f78cf0a449e5cf42d46201e30376d9e2364 (diff) | |
linux-omap2 git: update evm defconfig (thanks Steve!), clean up beagle patch dir, apply smartreflex and cpuidle patches to evm as well
Diffstat (limited to 'packages')
16 files changed, 3762 insertions, 2134 deletions
diff --git a/packages/linux/linux-omap2-git/beagleboard/00001-mcbsp-transform.patch b/packages/linux/linux-omap2-git/beagleboard/00001-mcbsp-transform.patch deleted file mode 100644 index e8b3e7a70e..0000000000 --- a/packages/linux/linux-omap2-git/beagleboard/00001-mcbsp-transform.patch +++ /dev/null @@ -1,1160 +0,0 @@ -From: Eduardo Valentin <eduardo.valentin@indt.org.br> - -This patch transform mcbsp code into a very initial -implementation of a platform driver. - -It also gets ride of ifdefs on mcbsp.c code. -To do it, a platform data structure was defined. - -Platform devices are located in arch/arm/plat-omap/devices.c - -Signed-off-by: Eduardo Valentin <eduardo.valentin@indt.org.br> ---- - arch/arm/plat-omap/devices.c | 45 +++ - arch/arm/plat-omap/mcbsp.c | 660 ++++++++++++++----------------------- - include/asm-arm/arch-omap/mcbsp.h | 73 ++++- - 3 files changed, 367 insertions(+), 411 deletions(-) - -diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c -index 099182b..b3e0147 100644 ---- a/arch/arm/plat-omap/devices.c -+++ b/arch/arm/plat-omap/devices.c -@@ -27,6 +27,7 @@ - #include <asm/arch/gpio.h> - #include <asm/arch/menelaus.h> - #include <asm/arch/dsp_common.h> -+#include <asm/arch/mcbsp.h> - - #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) - -@@ -150,6 +151,49 @@ static inline void omap_init_kp(void) {} - #endif - - /*-------------------------------------------------------------------------*/ -+#if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE) -+ -+static struct platform_device omap_mcbsp_devices[OMAP_MAX_MCBSP_COUNT]; -+static int mcbsps_configured; -+ -+void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, -+ int size) -+{ -+ int i; -+ -+ if (size > OMAP_MAX_MCBSP_COUNT) { -+ printk(KERN_WARNING "Registered too many McBSPs platform_data." -+ " Using maximum (%d) available.\n", -+ OMAP_MAX_MCBSP_COUNT); -+ size = OMAP_MAX_MCBSP_COUNT; -+ } -+ -+ for (i = 0; i < size; i++) { -+ struct platform_device *new_mcbsp = &omap_mcbsp_devices[i]; -+ new_mcbsp->name = "omap-mcbsp"; -+ new_mcbsp->id = i + 1; -+ new_mcbsp->dev.platform_data = &config[i]; -+ } -+ mcbsps_configured = size; -+} -+ -+static void __init omap_init_mcbsp(void) -+{ -+ int i; -+ -+ for (i = 0; i < mcbsps_configured; i++) -+ platform_device_register(&omap_mcbsp_devices[i]); -+} -+#else -+void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, -+ int size) -+{ } -+ -+static inline void __init omap_init_mcbsp(void) -+{ } -+#endif -+ -+/*-------------------------------------------------------------------------*/ - - #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) \ - || defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) -@@ -511,6 +555,7 @@ static int __init omap_init_devices(void) - */ - omap_init_dsp(); - omap_init_kp(); -+ omap_init_mcbsp(); - omap_init_mmc(); - omap_init_uwire(); - omap_init_wdt(); -diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c -index 053de31..5536223 100644 ---- a/arch/arm/plat-omap/mcbsp.c -+++ b/arch/arm/plat-omap/mcbsp.c -@@ -15,6 +15,7 @@ - #include <linux/module.h> - #include <linux/init.h> - #include <linux/device.h> -+#include <linux/platform_device.h> - #include <linux/wait.h> - #include <linux/completion.h> - #include <linux/interrupt.h> -@@ -25,83 +26,53 @@ - #include <linux/irq.h> - - #include <asm/arch/dma.h> --#include <asm/arch/mux.h> --#include <asm/arch/irqs.h> --#include <asm/arch/dsp_common.h> - #include <asm/arch/mcbsp.h> - --#ifdef CONFIG_MCBSP_DEBUG --#define DBG(x...) printk(x) --#else --#define DBG(x...) do { } while (0) --#endif -- --struct omap_mcbsp { -- u32 io_base; -- u8 id; -- u8 free; -- omap_mcbsp_word_length rx_word_length; -- omap_mcbsp_word_length tx_word_length; -- -- omap_mcbsp_io_type_t io_type; /* IRQ or poll */ -- /* IRQ based TX/RX */ -- int rx_irq; -- int tx_irq; -- -- /* DMA stuff */ -- u8 dma_rx_sync; -- short dma_rx_lch; -- u8 dma_tx_sync; -- short dma_tx_lch; -- -- /* Completion queues */ -- struct completion tx_irq_completion; -- struct completion rx_irq_completion; -- struct completion tx_dma_completion; -- struct completion rx_dma_completion; -- -- /* Protect the field .free, while checking if the mcbsp is in use */ -- spinlock_t lock; --}; -- - static struct omap_mcbsp mcbsp[OMAP_MAX_MCBSP_COUNT]; --#ifdef CONFIG_ARCH_OMAP1 --static struct clk *mcbsp_dsp_ck; --static struct clk *mcbsp_api_ck; --static struct clk *mcbsp_dspxor_ck; --#endif --#ifdef CONFIG_ARCH_OMAP2 --static struct clk *mcbsp1_ick; --static struct clk *mcbsp1_fck; --static struct clk *mcbsp2_ick; --static struct clk *mcbsp2_fck; --#endif -+ -+#define omap_mcbsp_check_valid_id(id) (mcbsp[id].pdata && \ -+ mcbsp[id].pdata->ops && \ -+ mcbsp[id].pdata->ops->check && \ -+ (mcbsp[id].pdata->ops->check(id) == 0)) - - static void omap_mcbsp_dump_reg(u8 id) - { -- DBG("**** MCBSP%d regs ****\n", mcbsp[id].id); -- DBG("DRR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, DRR2)); -- DBG("DRR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, DRR1)); -- DBG("DXR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, DXR2)); -- DBG("DXR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, DXR1)); -- DBG("SPCR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, SPCR2)); -- DBG("SPCR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, SPCR1)); -- DBG("RCR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, RCR2)); -- DBG("RCR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, RCR1)); -- DBG("XCR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, XCR2)); -- DBG("XCR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, XCR1)); -- DBG("SRGR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, SRGR2)); -- DBG("SRGR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, SRGR1)); -- DBG("PCR0: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, PCR0)); -- DBG("***********************\n"); -+ dev_dbg(mcbsp[id].dev, "**** McBSP%d regs ****\n", mcbsp[id].id); -+ dev_dbg(mcbsp[id].dev, "DRR2: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, DRR2)); -+ dev_dbg(mcbsp[id].dev, "DRR1: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, DRR1)); -+ dev_dbg(mcbsp[id].dev, "DXR2: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, DXR2)); -+ dev_dbg(mcbsp[id].dev, "DXR1: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, DXR1)); -+ dev_dbg(mcbsp[id].dev, "SPCR2: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, SPCR2)); -+ dev_dbg(mcbsp[id].dev, "SPCR1: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, SPCR1)); -+ dev_dbg(mcbsp[id].dev, "RCR2: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, RCR2)); -+ dev_dbg(mcbsp[id].dev, "RCR1: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, RCR1)); -+ dev_dbg(mcbsp[id].dev, "XCR2: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, XCR2)); -+ dev_dbg(mcbsp[id].dev, "XCR1: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, XCR1)); -+ dev_dbg(mcbsp[id].dev, "SRGR2: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, SRGR2)); -+ dev_dbg(mcbsp[id].dev, "SRGR1: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, SRGR1)); -+ dev_dbg(mcbsp[id].dev, "PCR0: 0x%04x\n", -+ OMAP_MCBSP_READ(mcbsp[id].io_base, PCR0)); -+ dev_dbg(mcbsp[id].dev, "***********************\n"); - } - - static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id) - { - struct omap_mcbsp *mcbsp_tx = dev_id; - -- DBG("TX IRQ callback : 0x%x\n", -- OMAP_MCBSP_READ(mcbsp_tx->io_base, SPCR2)); -+ dev_dbg(mcbsp_tx->dev, "TX IRQ callback : 0x%x\n", -+ OMAP_MCBSP_READ(mcbsp_tx->io_base, SPCR2)); - - complete(&mcbsp_tx->tx_irq_completion); - -@@ -112,8 +83,8 @@ static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id) - { - struct omap_mcbsp *mcbsp_rx = dev_id; - -- DBG("RX IRQ callback : 0x%x\n", -- OMAP_MCBSP_READ(mcbsp_rx->io_base, SPCR2)); -+ dev_dbg(mcbsp_rx->dev, "RX IRQ callback : 0x%x\n", -+ OMAP_MCBSP_READ(mcbsp_rx->io_base, SPCR2)); - - complete(&mcbsp_rx->rx_irq_completion); - -@@ -124,8 +95,8 @@ static void omap_mcbsp_tx_dma_callback(int lch, u16 ch_status, void *data) - { - struct omap_mcbsp *mcbsp_dma_tx = data; - -- DBG("TX DMA callback : 0x%x\n", -- OMAP_MCBSP_READ(mcbsp_dma_tx->io_base, SPCR2)); -+ dev_dbg(mcbsp_dma_tx->dev, "TX DMA callback : 0x%x\n", -+ OMAP_MCBSP_READ(mcbsp_dma_tx->io_base, SPCR2)); - - /* We can free the channels */ - omap_free_dma(mcbsp_dma_tx->dma_tx_lch); -@@ -138,8 +109,8 @@ static void omap_mcbsp_rx_dma_callback(int lch, u16 ch_status, void *data) - { - struct omap_mcbsp *mcbsp_dma_rx = data; - -- DBG("RX DMA callback : 0x%x\n", -- OMAP_MCBSP_READ(mcbsp_dma_rx->io_base, SPCR2)); -+ dev_dbg(mcbsp_dma_rx->dev, "RX DMA callback : 0x%x\n", -+ OMAP_MCBSP_READ(mcbsp_dma_rx->io_base, SPCR2)); - - /* We can free the channels */ - omap_free_dma(mcbsp_dma_rx->dma_rx_lch); -@@ -156,9 +127,16 @@ static void omap_mcbsp_rx_dma_callback(int lch, u16 ch_status, void *data) - */ - void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg *config) - { -- u32 io_base = mcbsp[id].io_base; -+ u32 io_base; -+ -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); -+ return; -+ } - -- DBG("OMAP-McBSP: McBSP%d io_base: 0x%8x\n", id + 1, io_base); -+ io_base = mcbsp[id].io_base; -+ dev_dbg(mcbsp[id].dev, "Configuring McBSP%d io_base: 0x%8x\n", -+ mcbsp[id].id, io_base); - - /* We write the given config */ - OMAP_MCBSP_WRITE(io_base, SPCR2, config->spcr2); -@@ -175,97 +153,22 @@ void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg *config) - } - EXPORT_SYMBOL(omap_mcbsp_config); - --static int omap_mcbsp_check(unsigned int id) --{ -- if (cpu_is_omap730()) { -- if (id > OMAP_MAX_MCBSP_COUNT - 1) { -- printk(KERN_ERR "OMAP-McBSP: McBSP%d doesn't exist\n", -- id + 1); -- return -1; -- } -- return 0; -- } -- -- if (cpu_is_omap15xx() || cpu_is_omap16xx() || cpu_is_omap24xx()) { -- if (id > OMAP_MAX_MCBSP_COUNT) { -- printk(KERN_ERR "OMAP-McBSP: McBSP%d doesn't exist\n", -- id + 1); -- return -1; -- } -- return 0; -- } -- -- return -1; --} -- --#ifdef CONFIG_ARCH_OMAP1 --static void omap_mcbsp_dsp_request(void) --{ -- if (cpu_is_omap15xx() || cpu_is_omap16xx()) { -- int ret; -- -- ret = omap_dsp_request_mem(); -- if (ret < 0) { -- printk(KERN_ERR "Could not get dsp memory: %i\n", ret); -- return; -- } -- -- clk_enable(mcbsp_dsp_ck); -- clk_enable(mcbsp_api_ck); -- -- /* enable 12MHz clock to mcbsp 1 & 3 */ -- clk_enable(mcbsp_dspxor_ck); -- -- /* -- * DSP external peripheral reset -- * FIXME: This should be moved to dsp code -- */ -- __raw_writew(__raw_readw(DSP_RSTCT2) | 1 | 1 << 1, -- DSP_RSTCT2); -- } --} -- --static void omap_mcbsp_dsp_free(void) --{ -- if (cpu_is_omap15xx() || cpu_is_omap16xx()) { -- omap_dsp_release_mem(); -- clk_disable(mcbsp_dspxor_ck); -- clk_disable(mcbsp_dsp_ck); -- clk_disable(mcbsp_api_ck); -- } --} --#endif -- --#ifdef CONFIG_ARCH_OMAP2 --static void omap2_mcbsp2_mux_setup(void) --{ -- if (cpu_is_omap2420()) { -- omap_cfg_reg(Y15_24XX_MCBSP2_CLKX); -- omap_cfg_reg(R14_24XX_MCBSP2_FSX); -- omap_cfg_reg(W15_24XX_MCBSP2_DR); -- omap_cfg_reg(V15_24XX_MCBSP2_DX); -- omap_cfg_reg(V14_24XX_GPIO117); -- } -- /* -- * Need to add MUX settings for OMAP 2430 SDP -- */ --} --#endif -- - /* - * We can choose between IRQ based or polled IO. - * This needs to be called before omap_mcbsp_request(). - */ - int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type) - { -- if (omap_mcbsp_check(id) < 0) -- return -EINVAL; -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); -+ return -ENODEV; -+ } - - spin_lock(&mcbsp[id].lock); - - if (!mcbsp[id].free) { -- printk(KERN_ERR "OMAP-McBSP: McBSP%d is currently in use\n", -- id + 1); -+ dev_err(mcbsp[id].dev, "McBSP%d is currently in use\n", -+ mcbsp[id].id); - spin_unlock(&mcbsp[id].lock); - return -EINVAL; - } -@@ -282,34 +185,20 @@ int omap_mcbsp_request(unsigned int id) - { - int err; - -- if (omap_mcbsp_check(id) < 0) -- return -EINVAL; -- --#ifdef CONFIG_ARCH_OMAP1 -- /* -- * On 1510, 1610 and 1710, McBSP1 and McBSP3 -- * are DSP public peripherals. -- */ -- if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) -- omap_mcbsp_dsp_request(); --#endif -- --#ifdef CONFIG_ARCH_OMAP2 -- if (cpu_is_omap24xx()) { -- if (id == OMAP_MCBSP1) { -- clk_enable(mcbsp1_ick); -- clk_enable(mcbsp1_fck); -- } else { -- clk_enable(mcbsp2_ick); -- clk_enable(mcbsp2_fck); -- } -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); -+ return -ENODEV; - } --#endif -+ -+ if (mcbsp[id].pdata->ops->request) -+ mcbsp[id].pdata->ops->request(id); -+ -+ mcbsp_clk_enable(&mcbsp[id]); - - spin_lock(&mcbsp[id].lock); - if (!mcbsp[id].free) { -- printk(KERN_ERR "OMAP-McBSP: McBSP%d is currently in use\n", -- id + 1); -+ dev_err(mcbsp[id].dev, "McBSP%d is currently in use\n", -+ mcbsp[id].id); - spin_unlock(&mcbsp[id].lock); - return -1; - } -@@ -322,9 +211,9 @@ int omap_mcbsp_request(unsigned int id) - err = request_irq(mcbsp[id].tx_irq, omap_mcbsp_tx_irq_handler, - 0, "McBSP", (void *) (&mcbsp[id])); - if (err != 0) { -- printk(KERN_ERR "OMAP-McBSP: Unable to " -- "request TX IRQ %d for McBSP%d\n", -- mcbsp[id].tx_irq, mcbsp[id].id); -+ dev_err(mcbsp[id].dev, "Unable to request TX IRQ %d " -+ "for McBSP%d\n", mcbsp[id].tx_irq, -+ mcbsp[id].id); - return err; - } - -@@ -333,9 +222,9 @@ int omap_mcbsp_request(unsigned int id) - err = request_irq(mcbsp[id].rx_irq, omap_mcbsp_rx_irq_handler, - 0, "McBSP", (void *) (&mcbsp[id])); - if (err != 0) { -- printk(KERN_ERR "OMAP-McBSP: Unable to " -- "request RX IRQ %d for McBSP%d\n", -- mcbsp[id].rx_irq, mcbsp[id].id); -+ dev_err(mcbsp[id].dev, "Unable to request RX IRQ %d " -+ "for McBSP%d\n", mcbsp[id].rx_irq, -+ mcbsp[id].id); - free_irq(mcbsp[id].tx_irq, (void *) (&mcbsp[id])); - return err; - } -@@ -349,32 +238,20 @@ EXPORT_SYMBOL(omap_mcbsp_request); - - void omap_mcbsp_free(unsigned int id) - { -- if (omap_mcbsp_check(id) < 0) -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; -- --#ifdef CONFIG_ARCH_OMAP1 -- if (cpu_class_is_omap1()) { -- if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) -- omap_mcbsp_dsp_free(); - } --#endif -- --#ifdef CONFIG_ARCH_OMAP2 -- if (cpu_is_omap24xx()) { -- if (id == OMAP_MCBSP1) { -- clk_disable(mcbsp1_ick); -- clk_disable(mcbsp1_fck); -- } else { -- clk_disable(mcbsp2_ick); -- clk_disable(mcbsp2_fck); -- } -- } --#endif -+ -+ if (mcbsp[id].pdata->ops->free) -+ mcbsp[id].pdata->ops->free(id); -+ -+ mcbsp_clk_disable(&mcbsp[id]); - - spin_lock(&mcbsp[id].lock); - if (mcbsp[id].free) { -- printk(KERN_ERR "OMAP-McBSP: McBSP%d was not reserved\n", -- id + 1); -+ dev_err(mcbsp[id].dev, "McBSP%d was not reserved\n", -+ mcbsp[id].id); - spin_unlock(&mcbsp[id].lock); - return; - } -@@ -400,8 +277,10 @@ void omap_mcbsp_start(unsigned int id) - u32 io_base; - u16 w; - -- if (omap_mcbsp_check(id) < 0) -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; -+ } - - io_base = mcbsp[id].io_base; - -@@ -435,8 +314,10 @@ void omap_mcbsp_stop(unsigned int id) - u32 io_base; - u16 w; - -- if (omap_mcbsp_check(id) < 0) -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; -+ } - - io_base = mcbsp[id].io_base; - -@@ -457,7 +338,14 @@ EXPORT_SYMBOL(omap_mcbsp_stop); - /* polled mcbsp i/o operations */ - int omap_mcbsp_pollwrite(unsigned int id, u16 buf) - { -- u32 base = mcbsp[id].io_base; -+ u32 base; -+ -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); -+ return -ENODEV; -+ } -+ -+ base = mcbsp[id].io_base; - writew(buf, base + OMAP_MCBSP_REG_DXR1); - /* if frame sync error - clear the error */ - if (readw(base + OMAP_MCBSP_REG_SPCR2) & XSYNC_ERR) { -@@ -479,8 +367,8 @@ int omap_mcbsp_pollwrite(unsigned int id, u16 buf) - (XRST), - base + OMAP_MCBSP_REG_SPCR2); - udelay(10); -- printk(KERN_ERR -- " Could not write to McBSP Register\n"); -+ dev_err(mcbsp[id].dev, "Could not write to" -+ " McBSP%d Register\n", mcbsp[id].id); - return -2; - } - } -@@ -492,7 +380,14 @@ EXPORT_SYMBOL(omap_mcbsp_pollwrite); - - int omap_mcbsp_pollread(unsigned int id, u16 *buf) - { -- u32 base = mcbsp[id].io_base; -+ u32 base; -+ -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); -+ return -ENODEV; -+ } -+ -+ base = mcbsp[id].io_base; - /* if frame sync error - clear the error */ - if (readw(base + OMAP_MCBSP_REG_SPCR1) & RSYNC_ERR) { - /* clear error */ -@@ -513,8 +408,8 @@ int omap_mcbsp_pollread(unsigned int id, u16 *buf) - (RRST), - base + OMAP_MCBSP_REG_SPCR1); - udelay(10); -- printk(KERN_ERR -- " Could not read from McBSP Register\n"); -+ dev_err(mcbsp[id].dev, "Could not read from" -+ " McBSP%d Register\n", mcbsp[id].id); - return -2; - } - } -@@ -531,12 +426,15 @@ EXPORT_SYMBOL(omap_mcbsp_pollread); - void omap_mcbsp_xmit_word(unsigned int id, u32 word) - { - u32 io_base; -- omap_mcbsp_word_length word_length = mcbsp[id].tx_word_length; -+ omap_mcbsp_word_length word_length; - -- if (omap_mcbsp_check(id) < 0) -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; -+ } - - io_base = mcbsp[id].io_base; -+ word_length = mcbsp[id].tx_word_length; - - wait_for_completion(&(mcbsp[id].tx_irq_completion)); - -@@ -550,11 +448,14 @@ u32 omap_mcbsp_recv_word(unsigned int id) - { - u32 io_base; - u16 word_lsb, word_msb = 0; -- omap_mcbsp_word_length word_length = mcbsp[id].rx_word_length; -+ omap_mcbsp_word_length word_length; - -- if (omap_mcbsp_check(id) < 0) -- return -EINVAL; -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); -+ return -ENODEV; -+ } - -+ word_length = mcbsp[id].rx_word_length; - io_base = mcbsp[id].io_base; - - wait_for_completion(&(mcbsp[id].rx_irq_completion)); -@@ -569,11 +470,20 @@ EXPORT_SYMBOL(omap_mcbsp_recv_word); - - int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word) - { -- u32 io_base = mcbsp[id].io_base; -- omap_mcbsp_word_length tx_word_length = mcbsp[id].tx_word_length; -- omap_mcbsp_word_length rx_word_length = mcbsp[id].rx_word_length; -+ u32 io_base; -+ omap_mcbsp_word_length tx_word_length; -+ omap_mcbsp_word_length rx_word_length; - u16 spcr2, spcr1, attempts = 0, word_lsb, word_msb = 0; - -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); -+ return -ENODEV; -+ } -+ -+ io_base = mcbsp[id].io_base; -+ tx_word_length = mcbsp[id].tx_word_length; -+ rx_word_length = mcbsp[id].rx_word_length; -+ - if (tx_word_length != rx_word_length) - return -EINVAL; - -@@ -587,7 +497,8 @@ int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word) - udelay(10); - OMAP_MCBSP_WRITE(io_base, SPCR2, spcr2 | XRST); - udelay(10); -- printk(KERN_ERR "McBSP transmitter not ready\n"); -+ dev_err(mcbsp[id].dev, "McBSP%d transmitter not " -+ "ready\n", mcbsp[id].id); - return -EAGAIN; - } - } -@@ -607,7 +518,8 @@ int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word) - udelay(10); - OMAP_MCBSP_WRITE(io_base, SPCR1, spcr1 | RRST); - udelay(10); -- printk(KERN_ERR "McBSP receiver not ready\n"); -+ dev_err(mcbsp[id].dev, "McBSP%d receiver not " -+ "ready\n", mcbsp[id].id); - return -EAGAIN; - } - } -@@ -623,11 +535,20 @@ EXPORT_SYMBOL(omap_mcbsp_spi_master_xmit_word_poll); - - int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 *word) - { -- u32 io_base = mcbsp[id].io_base, clock_word = 0; -- omap_mcbsp_word_length tx_word_length = mcbsp[id].tx_word_length; -- omap_mcbsp_word_length rx_word_length = mcbsp[id].rx_word_length; -+ u32 io_base, clock_word = 0; -+ omap_mcbsp_word_length tx_word_length; -+ omap_mcbsp_word_length rx_word_length; - u16 spcr2, spcr1, attempts = 0, word_lsb, word_msb = 0; - -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); -+ return -ENODEV; -+ } -+ -+ io_base = mcbsp[id].io_base; -+ tx_word_length = mcbsp[id].tx_word_length; -+ rx_word_length = mcbsp[id].rx_word_length; -+ - if (tx_word_length != rx_word_length) - return -EINVAL; - -@@ -641,7 +562,8 @@ int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 *word) - udelay(10); - OMAP_MCBSP_WRITE(io_base, SPCR2, spcr2 | XRST); - udelay(10); -- printk(KERN_ERR "McBSP transmitter not ready\n"); -+ dev_err(mcbsp[id].dev, "McBSP%d transmitter not " -+ "ready\n", mcbsp[id].id); - return -EAGAIN; - } - } -@@ -661,7 +583,8 @@ int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 *word) - udelay(10); - OMAP_MCBSP_WRITE(io_base, SPCR1, spcr1 | RRST); - udelay(10); -- printk(KERN_ERR "McBSP receiver not ready\n"); -+ dev_err(mcbsp[id].dev, "McBSP%d receiver not " -+ "ready\n", mcbsp[id].id); - return -EAGAIN; - } - } -@@ -692,20 +615,24 @@ int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, - int dest_port = 0; - int sync_dev = 0; - -- if (omap_mcbsp_check(id) < 0) -- return -EINVAL; -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); -+ return -ENODEV; -+ } - - if (omap_request_dma(mcbsp[id].dma_tx_sync, "McBSP TX", - omap_mcbsp_tx_dma_callback, - &mcbsp[id], - &dma_tx_ch)) { -- printk(KERN_ERR "OMAP-McBSP: Unable to request DMA channel for" -- " McBSP%d TX. Trying IRQ based TX\n", id + 1); -+ dev_err(mcbsp[id].dev, " Unable to request DMA channel for " -+ "McBSP%d TX. Trying IRQ based TX\n", -+ mcbsp[id].id); - return -EAGAIN; - } - mcbsp[id].dma_tx_lch = dma_tx_ch; - -- DBG("TX DMA on channel %d\n", dma_tx_ch); -+ dev_err(mcbsp[id].dev, "McBSP%d TX DMA on channel %d\n", mcbsp[id].id, -+ dma_tx_ch); - - init_completion(&(mcbsp[id].tx_dma_completion)); - -@@ -713,7 +640,7 @@ int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, - src_port = OMAP_DMA_PORT_TIPB; - dest_port = OMAP_DMA_PORT_EMIFF; - } -- if (cpu_is_omap24xx()) -+ if (cpu_class_is_omap2()) - sync_dev = mcbsp[id].dma_tx_sync; - - omap_set_dma_transfer_params(mcbsp[id].dma_tx_lch, -@@ -749,20 +676,24 @@ int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, - int dest_port = 0; - int sync_dev = 0; - -- if (omap_mcbsp_check(id) < 0) -- return -EINVAL; -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); -+ return -ENODEV; -+ } - - if (omap_request_dma(mcbsp[id].dma_rx_sync, "McBSP RX", - omap_mcbsp_rx_dma_callback, - &mcbsp[id], - &dma_rx_ch)) { -- printk(KERN_ERR "Unable to request DMA channel for McBSP%d RX." -- " Trying IRQ based RX\n", id + 1); -+ dev_err(mcbsp[id].dev, "Unable to request DMA channel for " -+ "McBSP%d RX. Trying IRQ based RX\n", -+ mcbsp[id].id); - return -EAGAIN; - } - mcbsp[id].dma_rx_lch = dma_rx_ch; - -- DBG("RX DMA on channel %d\n", dma_rx_ch); -+ dev_err(mcbsp[id].dev, "McBSP%d RX DMA on channel %d\n", mcbsp[id].id, -+ dma_rx_ch); - - init_completion(&(mcbsp[id].rx_dma_completion)); - -@@ -770,7 +701,7 @@ int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, - src_port = OMAP_DMA_PORT_TIPB; - dest_port = OMAP_DMA_PORT_EMIFF; - } -- if (cpu_is_omap24xx()) -+ if (cpu_class_is_omap2()) - sync_dev = mcbsp[id].dma_rx_sync; - - omap_set_dma_transfer_params(mcbsp[id].dma_rx_lch, -@@ -809,8 +740,10 @@ void omap_mcbsp_set_spi_mode(unsigned int id, - { - struct omap_mcbsp_reg_cfg mcbsp_cfg; - -- if (omap_mcbsp_check(id) < 0) -+ if (!omap_mcbsp_check_valid_id(id)) { -+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; -+ } - - memset(&mcbsp_cfg, 0, sizeof(struct omap_mcbsp_reg_cfg)); - -@@ -871,182 +804,91 @@ EXPORT_SYMBOL(omap_mcbsp_set_spi_mode); - * McBSP1 and McBSP3 are directly mapped on 1610 and 1510. - * 730 has only 2 McBSP, and both of them are MPU peripherals. - */ --struct omap_mcbsp_info { -- u32 virt_base; -- u8 dma_rx_sync, dma_tx_sync; -- u16 rx_irq, tx_irq; --}; -+static int __init omap_mcbsp_probe(struct platform_device *pdev) -+{ -+ struct omap_mcbsp_platform_data *pdata = pdev->dev.platform_data; -+ int id = pdev->id - 1; -+ int ret = 0; -+ int i; - --#ifdef CONFIG_ARCH_OMAP730 --static const struct omap_mcbsp_info mcbsp_730[] = { -- [0] = { .virt_base = io_p2v(OMAP730_MCBSP1_BASE), -- .dma_rx_sync = OMAP_DMA_MCBSP1_RX, -- .dma_tx_sync = OMAP_DMA_MCBSP1_TX, -- .rx_irq = INT_730_McBSP1RX, -- .tx_irq = INT_730_McBSP1TX }, -- [1] = { .virt_base = io_p2v(OMAP730_MCBSP2_BASE), -- .dma_rx_sync = OMAP_DMA_MCBSP3_RX, -- .dma_tx_sync = OMAP_DMA_MCBSP3_TX, -- .rx_irq = INT_730_McBSP2RX, -- .tx_irq = INT_730_McBSP2TX }, --}; --#endif -- --#ifdef CONFIG_ARCH_OMAP15XX --static const struct omap_mcbsp_info mcbsp_1510[] = { -- [0] = { .virt_base = OMAP1510_MCBSP1_BASE, -- .dma_rx_sync = OMAP_DMA_MCBSP1_RX, -- .dma_tx_sync = OMAP_DMA_MCBSP1_TX, -- .rx_irq = INT_McBSP1RX, -- .tx_irq = INT_McBSP1TX }, -- [1] = { .virt_base = io_p2v(OMAP1510_MCBSP2_BASE), -- .dma_rx_sync = OMAP_DMA_MCBSP2_RX, -- .dma_tx_sync = OMAP_DMA_MCBSP2_TX, -- .rx_irq = INT_1510_SPI_RX, -- .tx_irq = INT_1510_SPI_TX }, -- [2] = { .virt_base = OMAP1510_MCBSP3_BASE, -- .dma_rx_sync = OMAP_DMA_MCBSP3_RX, -- .dma_tx_sync = OMAP_DMA_MCBSP3_TX, -- .rx_irq = INT_McBSP3RX, -- .tx_irq = INT_McBSP3TX }, --}; --#endif -- --#if defined(CONFIG_ARCH_OMAP16XX) --static const struct omap_mcbsp_info mcbsp_1610[] = { -- [0] = { .virt_base = OMAP1610_MCBSP1_BASE, -- .dma_rx_sync = OMAP_DMA_MCBSP1_RX, -- .dma_tx_sync = OMAP_DMA_MCBSP1_TX, -- .rx_irq = INT_McBSP1RX, -- .tx_irq = INT_McBSP1TX }, -- [1] = { .virt_base = io_p2v(OMAP1610_MCBSP2_BASE), -- .dma_rx_sync = OMAP_DMA_MCBSP2_RX, -- .dma_tx_sync = OMAP_DMA_MCBSP2_TX, -- .rx_irq = INT_1610_McBSP2_RX, -- .tx_irq = INT_1610_McBSP2_TX }, -- [2] = { .virt_base = OMAP1610_MCBSP3_BASE, -- .dma_rx_sync = OMAP_DMA_MCBSP3_RX, -- .dma_tx_sync = OMAP_DMA_MCBSP3_TX, -- .rx_irq = INT_McBSP3RX, -- .tx_irq = INT_McBSP3TX }, --}; --#endif -- --#if defined(CONFIG_ARCH_OMAP24XX) --static const struct omap_mcbsp_info mcbsp_24xx[] = { -- [0] = { .virt_base = IO_ADDRESS(OMAP24XX_MCBSP1_BASE), -- .dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX, -- .dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX, -- .rx_irq = INT_24XX_MCBSP1_IRQ_RX, -- .tx_irq = INT_24XX_MCBSP1_IRQ_TX, -- }, -- [1] = { .virt_base = IO_ADDRESS(OMAP24XX_MCBSP2_BASE), -- .dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX, -- .dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX, -- .rx_irq = INT_24XX_MCBSP2_IRQ_RX, -- .tx_irq = INT_24XX_MCBSP2_IRQ_TX, -- }, --}; --#endif -+ if (!pdata) { -+ dev_err(&pdev->dev, "McBSP device initialized without" -+ "platform data\n"); -+ ret = -EINVAL; -+ goto exit; -+ } - --static int __init omap_mcbsp_init(void) -+ dev_dbg(&pdev->dev, "Initializing OMAP McBSP (%d).\n", pdev->id); -+ -+ if (id >= OMAP_MAX_MCBSP_COUNT) { -+ dev_err(&pdev->dev, "Invalid McBSP device id (%d)\n", id); -+ ret = -EINVAL; -+ goto exit; -+ } -+ -+ spin_lock_init(&mcbsp[id].lock); -+ mcbsp[id].id = id + 1; -+ mcbsp[id].free = 1; -+ mcbsp[id].dma_tx_lch = -1; -+ mcbsp[id].dma_rx_lch = -1; -+ -+ mcbsp[id].io_base = pdata->virt_base; -+ /* Default I/O is IRQ based */ -+ mcbsp[id].io_type = OMAP_MCBSP_IRQ_IO; -+ mcbsp[id].tx_irq = pdata->tx_irq; -+ mcbsp[id].rx_irq = pdata->rx_irq; -+ mcbsp[id].dma_rx_sync = pdata->dma_rx_sync; -+ mcbsp[id].dma_tx_sync = pdata->dma_tx_sync; -+ -+ mcbsp[id].nr_clocks = ARRAY_SIZE(pdata->clocks); -+ for (i = 0; i < ARRAY_SIZE(pdata->clocks); i++) -+ mcbsp[id].clocks[i] = clk_get(&pdev->dev, pdata->clocks[i]); -+ -+ mcbsp[id].pdata = pdata; -+ mcbsp[id].dev = &pdev->dev; -+ platform_set_drvdata(pdev, &mcbsp[id]); -+ -+exit: -+ return ret; -+} -+ -+static int omap_mcbsp_remove(struct platform_device *pdev) - { -- int mcbsp_count = 0, i; -- static const struct omap_mcbsp_info *mcbsp_info; -+ struct omap_mcbsp *mcbsp = platform_get_drvdata(pdev); - -- printk(KERN_INFO "Initializing OMAP McBSP system\n"); -+ platform_set_drvdata(pdev, NULL); -+ if (mcbsp) { -+ int i; - --#ifdef CONFIG_ARCH_OMAP1 -- mcbsp_dsp_ck = clk_get(0, "dsp_ck"); -- if (IS_ERR(mcbsp_dsp_ck)) { -- printk(KERN_ERR "mcbsp: could not acquire dsp_ck handle.\n"); -- return PTR_ERR(mcbsp_dsp_ck); -- } -- mcbsp_api_ck = clk_get(0, "api_ck"); -- if (IS_ERR(mcbsp_api_ck)) { -- printk(KERN_ERR "mcbsp: could not acquire api_ck handle.\n"); -- return PTR_ERR(mcbsp_api_ck); -- } -- mcbsp_dspxor_ck = clk_get(0, "dspxor_ck"); -- if (IS_ERR( |
