diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/mcbsp.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/mcbsp.h | 282 |
1 files changed, 66 insertions, 216 deletions
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h index f8f690ab2997..8fa74e2c9d6e 100644 --- a/arch/arm/plat-omap/include/plat/mcbsp.h +++ b/arch/arm/plat-omap/include/plat/mcbsp.h @@ -24,121 +24,74 @@ #ifndef __ASM_ARCH_OMAP_MCBSP_H #define __ASM_ARCH_OMAP_MCBSP_H -#include <linux/completion.h> #include <linux/spinlock.h> - -#include <mach/hardware.h> -#include <plat/clock.h> +#include <linux/clk.h> /* macro for building platform_device for McBSP ports */ #define OMAP_MCBSP_PLATFORM_DEVICE(port_nr) \ static struct platform_device omap_mcbsp##port_nr = { \ .name = "omap-mcbsp-dai", \ - .id = OMAP_MCBSP##port_nr, \ + .id = port_nr - 1, \ } #define MCBSP_CONFIG_TYPE2 0x2 #define MCBSP_CONFIG_TYPE3 0x3 #define MCBSP_CONFIG_TYPE4 0x4 -#define OMAP7XX_MCBSP1_BASE 0xfffb1000 -#define OMAP7XX_MCBSP2_BASE 0xfffb1800 - -#define OMAP1510_MCBSP1_BASE 0xe1011800 -#define OMAP1510_MCBSP2_BASE 0xfffb1000 -#define OMAP1510_MCBSP3_BASE 0xe1017000 - -#define OMAP1610_MCBSP1_BASE 0xe1011800 -#define OMAP1610_MCBSP2_BASE 0xfffb1000 -#define OMAP1610_MCBSP3_BASE 0xe1017000 - -#ifdef CONFIG_ARCH_OMAP1 - -#define OMAP_MCBSP_REG_DRR2 0x00 -#define OMAP_MCBSP_REG_DRR1 0x02 -#define OMAP_MCBSP_REG_DXR2 0x04 -#define OMAP_MCBSP_REG_DXR1 0x06 -#define OMAP_MCBSP_REG_DRR 0x02 -#define OMAP_MCBSP_REG_DXR 0x06 -#define OMAP_MCBSP_REG_SPCR2 0x08 -#define OMAP_MCBSP_REG_SPCR1 0x0a -#define OMAP_MCBSP_REG_RCR2 0x0c -#define OMAP_MCBSP_REG_RCR1 0x0e -#define OMAP_MCBSP_REG_XCR2 0x10 -#define OMAP_MCBSP_REG_XCR1 0x12 -#define OMAP_MCBSP_REG_SRGR2 0x14 -#define OMAP_MCBSP_REG_SRGR1 0x16 -#define OMAP_MCBSP_REG_MCR2 0x18 -#define OMAP_MCBSP_REG_MCR1 0x1a -#define OMAP_MCBSP_REG_RCERA 0x1c -#define OMAP_MCBSP_REG_RCERB 0x1e -#define OMAP_MCBSP_REG_XCERA 0x20 -#define OMAP_MCBSP_REG_XCERB 0x22 -#define OMAP_MCBSP_REG_PCR0 0x24 -#define OMAP_MCBSP_REG_RCERC 0x26 -#define OMAP_MCBSP_REG_RCERD 0x28 -#define OMAP_MCBSP_REG_XCERC 0x2A -#define OMAP_MCBSP_REG_XCERD 0x2C -#define OMAP_MCBSP_REG_RCERE 0x2E -#define OMAP_MCBSP_REG_RCERF 0x30 -#define OMAP_MCBSP_REG_XCERE 0x32 -#define OMAP_MCBSP_REG_XCERF 0x34 -#define OMAP_MCBSP_REG_RCERG 0x36 -#define OMAP_MCBSP_REG_RCERH 0x38 -#define OMAP_MCBSP_REG_XCERG 0x3A -#define OMAP_MCBSP_REG_XCERH 0x3C - -/* Dummy defines, these are not available on omap1 */ -#define OMAP_MCBSP_REG_XCCR 0x00 -#define OMAP_MCBSP_REG_RCCR 0x00 - -#else - -#define OMAP_MCBSP_REG_DRR2 0x00 -#define OMAP_MCBSP_REG_DRR1 0x04 -#define OMAP_MCBSP_REG_DXR2 0x08 -#define OMAP_MCBSP_REG_DXR1 0x0C -#define OMAP_MCBSP_REG_DRR 0x00 -#define OMAP_MCBSP_REG_DXR 0x08 -#define OMAP_MCBSP_REG_SPCR2 0x10 -#define OMAP_MCBSP_REG_SPCR1 0x14 -#define OMAP_MCBSP_REG_RCR2 0x18 -#define OMAP_MCBSP_REG_RCR1 0x1C -#define OMAP_MCBSP_REG_XCR2 0x20 -#define OMAP_MCBSP_REG_XCR1 0x24 -#define OMAP_MCBSP_REG_SRGR2 0x28 -#define OMAP_MCBSP_REG_SRGR1 0x2C -#define OMAP_MCBSP_REG_MCR2 0x30 -#define OMAP_MCBSP_REG_MCR1 0x34 -#define OMAP_MCBSP_REG_RCERA 0x38 -#define OMAP_MCBSP_REG_RCERB 0x3C -#define OMAP_MCBSP_REG_XCERA 0x40 -#define OMAP_MCBSP_REG_XCERB 0x44 -#define OMAP_MCBSP_REG_PCR0 0x48 -#define OMAP_MCBSP_REG_RCERC 0x4C -#define OMAP_MCBSP_REG_RCERD 0x50 -#define OMAP_MCBSP_REG_XCERC 0x54 -#define OMAP_MCBSP_REG_XCERD 0x58 -#define OMAP_MCBSP_REG_RCERE 0x5C -#define OMAP_MCBSP_REG_RCERF 0x60 -#define OMAP_MCBSP_REG_XCERE 0x64 -#define OMAP_MCBSP_REG_XCERF 0x68 -#define OMAP_MCBSP_REG_RCERG 0x6C -#define OMAP_MCBSP_REG_RCERH 0x70 -#define OMAP_MCBSP_REG_XCERG 0x74 -#define OMAP_MCBSP_REG_XCERH 0x78 -#define OMAP_MCBSP_REG_SYSCON 0x8C -#define OMAP_MCBSP_REG_THRSH2 0x90 -#define OMAP_MCBSP_REG_THRSH1 0x94 -#define OMAP_MCBSP_REG_IRQST 0xA0 -#define OMAP_MCBSP_REG_IRQEN 0xA4 -#define OMAP_MCBSP_REG_WAKEUPEN 0xA8 -#define OMAP_MCBSP_REG_XCCR 0xAC -#define OMAP_MCBSP_REG_RCCR 0xB0 -#define OMAP_MCBSP_REG_XBUFFSTAT 0xB4 -#define OMAP_MCBSP_REG_RBUFFSTAT 0xB8 -#define OMAP_MCBSP_REG_SSELCR 0xBC +/* McBSP register numbers. Register address offset = num * reg_step */ +enum { + /* Common registers */ + OMAP_MCBSP_REG_SPCR2 = 4, + OMAP_MCBSP_REG_SPCR1, + OMAP_MCBSP_REG_RCR2, + OMAP_MCBSP_REG_RCR1, + OMAP_MCBSP_REG_XCR2, + OMAP_MCBSP_REG_XCR1, + OMAP_MCBSP_REG_SRGR2, + OMAP_MCBSP_REG_SRGR1, + OMAP_MCBSP_REG_MCR2, + OMAP_MCBSP_REG_MCR1, + OMAP_MCBSP_REG_RCERA, + OMAP_MCBSP_REG_RCERB, + OMAP_MCBSP_REG_XCERA, + OMAP_MCBSP_REG_XCERB, + OMAP_MCBSP_REG_PCR0, + OMAP_MCBSP_REG_RCERC, + OMAP_MCBSP_REG_RCERD, + OMAP_MCBSP_REG_XCERC, + OMAP_MCBSP_REG_XCERD, + OMAP_MCBSP_REG_RCERE, + OMAP_MCBSP_REG_RCERF, + OMAP_MCBSP_REG_XCERE, + OMAP_MCBSP_REG_XCERF, + OMAP_MCBSP_REG_RCERG, + OMAP_MCBSP_REG_RCERH, + OMAP_MCBSP_REG_XCERG, + OMAP_MCBSP_REG_XCERH, + + /* OMAP1-OMAP2420 registers */ + OMAP_MCBSP_REG_DRR2 = 0, + OMAP_MCBSP_REG_DRR1, + OMAP_MCBSP_REG_DXR2, + OMAP_MCBSP_REG_DXR1, + + /* OMAP2430 and onwards */ + OMAP_MCBSP_REG_DRR = 0, + OMAP_MCBSP_REG_DXR = 2, + OMAP_MCBSP_REG_SYSCON = 35, + OMAP_MCBSP_REG_THRSH2, + OMAP_MCBSP_REG_THRSH1, + OMAP_MCBSP_REG_IRQST = 40, + OMAP_MCBSP_REG_IRQEN, + OMAP_MCBSP_REG_WAKEUPEN, + OMAP_MCBSP_REG_XCCR, + OMAP_MCBSP_REG_RCCR, + OMAP_MCBSP_REG_XBUFFSTAT, + OMAP_MCBSP_REG_RBUFFSTAT, + OMAP_MCBSP_REG_SSELCR, +}; +/* OMAP3 sidetone control registers */ #define OMAP_ST_REG_REV 0x00 #define OMAP_ST_REG_SYSCONFIG 0x10 #define OMAP_ST_REG_IRQSTATUS 0x18 @@ -147,8 +100,6 @@ static struct platform_device omap_mcbsp##port_nr = { \ #define OMAP_ST_REG_SFIRCR 0x28 #define OMAP_ST_REG_SSELCR 0x2C -#endif - /************************** McBSP SPCR1 bit definitions ***********************/ #define RRST 0x0001 #define RRDY 0x0002 @@ -333,18 +284,6 @@ struct omap_mcbsp_reg_cfg { }; typedef enum { - OMAP_MCBSP1 = 0, - OMAP_MCBSP2, - OMAP_MCBSP3, - OMAP_MCBSP4, - OMAP_MCBSP5 -} omap_mcbsp_id; - -typedef int __bitwise omap_mcbsp_io_type_t; -#define OMAP_MCBSP_IRQ_IO ((__force omap_mcbsp_io_type_t) 1) -#define OMAP_MCBSP_POLL_IO ((__force omap_mcbsp_io_type_t) 2) - -typedef enum { OMAP_MCBSP_WORD_8 = 0, OMAP_MCBSP_WORD_12, OMAP_MCBSP_WORD_16, @@ -353,56 +292,24 @@ typedef enum { OMAP_MCBSP_WORD_32, } omap_mcbsp_word_length; -typedef enum { - OMAP_MCBSP_CLK_RISING = 0, - OMAP_MCBSP_CLK_FALLING, -} omap_mcbsp_clk_polarity; - -typedef enum { - OMAP_MCBSP_FS_ACTIVE_HIGH = 0, - OMAP_MCBSP_FS_ACTIVE_LOW, -} omap_mcbsp_fs_polarity; - -typedef enum { - OMAP_MCBSP_CLK_STP_MODE_NO_DELAY = 0, - OMAP_MCBSP_CLK_STP_MODE_DELAY, -} omap_mcbsp_clk_stp_mode; - - -/******* SPI specific mode **********/ -typedef enum { - OMAP_MCBSP_SPI_MASTER = 0, - OMAP_MCBSP_SPI_SLAVE, -} omap_mcbsp_spi_mode; - -struct omap_mcbsp_spi_cfg { - omap_mcbsp_spi_mode spi_mode; - omap_mcbsp_clk_polarity rx_clock_polarity; - omap_mcbsp_clk_polarity tx_clock_polarity; - omap_mcbsp_fs_polarity fsx_polarity; - u8 clk_div; - omap_mcbsp_clk_stp_mode clk_stp_mode; - omap_mcbsp_word_length word_length; -}; - /* Platform specific configuration */ struct omap_mcbsp_ops { void (*request)(unsigned int); void (*free)(unsigned int); - int (*set_clks_src)(u8, u8); }; struct omap_mcbsp_platform_data { - unsigned long phys_base; - u8 dma_rx_sync, dma_tx_sync; - u16 rx_irq, tx_irq; struct omap_mcbsp_ops *ops; -#ifdef CONFIG_ARCH_OMAP3 - /* Sidetone block for McBSP 2 and 3 */ - unsigned long phys_base_st; -#endif u16 buffer_size; - unsigned int mcbsp_config_type; + u8 reg_size; + u8 reg_step; + + /* McBSP platform and instance specific features */ + bool has_wakeup; /* Wakeup capability */ + bool has_ccr; /* Transceiver has configuration control registers */ + int (*enable_st_clock)(unsigned int, bool); + int (*set_clk_src)(struct device *dev, struct clk *clk, const char *src); + int (*mux_signal)(struct device *dev, const char *signal, const char *src); }; struct omap_mcbsp_st_data { @@ -422,38 +329,24 @@ struct omap_mcbsp { void __iomem *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; struct omap_mcbsp_platform_data *pdata; struct clk *fclk; -#ifdef CONFIG_ARCH_OMAP3 struct omap_mcbsp_st_data *st_data; int dma_op_mode; u16 max_tx_thres; u16 max_rx_thres; -#endif void *reg_cache; - unsigned int mcbsp_config_type; + int reg_cache_size; }; /** @@ -465,16 +358,10 @@ struct omap_mcbsp_dev_attr { }; extern struct omap_mcbsp **mcbsp_ptr; -extern int omap_mcbsp_count, omap_mcbsp_cache_size; - -#define omap_mcbsp_check_valid_id(id) (id < omap_mcbsp_count) -#define id_to_mcbsp_ptr(id) mcbsp_ptr[id]; +extern int omap_mcbsp_count; int omap_mcbsp_init(void); -void omap_mcbsp_register_board_cfg(struct resource *res, int res_count, - struct omap_mcbsp_platform_data *config, int size); void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config); -#ifdef CONFIG_ARCH_OMAP3 void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold); void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold); u16 omap_mcbsp_get_max_tx_threshold(unsigned int id); @@ -483,40 +370,13 @@ u16 omap_mcbsp_get_fifo_size(unsigned int id); u16 omap_mcbsp_get_tx_delay(unsigned int id); u16 omap_mcbsp_get_rx_delay(unsigned int id); int omap_mcbsp_get_dma_op_mode(unsigned int id); -#else -static inline void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold) -{ } -static inline void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold) -{ } -static inline u16 omap_mcbsp_get_max_tx_threshold(unsigned int id) { return 0; } -static inline u16 omap_mcbsp_get_max_rx_threshold(unsigned int id) { return 0; } -static inline u16 omap_mcbsp_get_fifo_size(unsigned int id) { return 0; } -static inline u16 omap_mcbsp_get_tx_delay(unsigned int id) { return 0; } -static inline u16 omap_mcbsp_get_rx_delay(unsigned int id) { return 0; } -static inline int omap_mcbsp_get_dma_op_mode(unsigned int id) { return 0; } -#endif int omap_mcbsp_request(unsigned int id); void omap_mcbsp_free(unsigned int id); void omap_mcbsp_start(unsigned int id, int tx, int rx); void omap_mcbsp_stop(unsigned int id, int tx, int rx); -void omap_mcbsp_xmit_word(unsigned int id, u32 word); -u32 omap_mcbsp_recv_word(unsigned int id); - -int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int length); -int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int length); -int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word); -int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word); - /* McBSP functional clock source changing function */ extern int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id); -/* SPI specific API */ -void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg * spi_cfg); - -/* Polled read/write functions */ -int omap_mcbsp_pollread(unsigned int id, u16 * buf); -int omap_mcbsp_pollwrite(unsigned int id, u16 buf); -int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type); /* McBSP signal muxing API */ void omap2_mcbsp1_mux_clkr_src(u8 mux); @@ -525,21 +385,11 @@ void omap2_mcbsp1_mux_fsr_src(u8 mux); int omap_mcbsp_dma_ch_params(unsigned int id, unsigned int stream); int omap_mcbsp_dma_reg_params(unsigned int id, unsigned int stream); -#ifdef CONFIG_ARCH_OMAP3 /* Sidetone specific API */ int omap_st_set_chgain(unsigned int id, int channel, s16 chgain); int omap_st_get_chgain(unsigned int id, int channel, s16 *chgain); int omap_st_enable(unsigned int id); int omap_st_disable(unsigned int id); int omap_st_is_enabled(unsigned int id); -#else -static inline int omap_st_set_chgain(unsigned int id, int channel, - s16 chgain) { return 0; } -static inline int omap_st_get_chgain(unsigned int id, int channel, - s16 *chgain) { return 0; } -static inline int omap_st_enable(unsigned int id) { return 0; } -static inline int omap_st_disable(unsigned int id) { return 0; } -static inline int omap_st_is_enabled(unsigned int id) { return 0; } -#endif #endif |