diff options
Diffstat (limited to 'arch/avr32/mach-at32ap')
| -rw-r--r-- | arch/avr32/mach-at32ap/at32ap700x.c | 51 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/board.h | 10 |
2 files changed, 38 insertions, 23 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c index 1bc6389b20b..62501d64322 100644 --- a/arch/avr32/mach-at32ap/at32ap700x.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c @@ -27,6 +27,7 @@ #include <mach/sram.h> #include <sound/atmel-abdac.h> +#include <sound/atmel-ac97c.h> #include <video/atmel_lcdc.h> @@ -1982,11 +1983,14 @@ static struct clk atmel_ac97c0_pclk = { }; struct platform_device *__init -at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data) +at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data, + unsigned int flags) { - struct platform_device *pdev; - struct ac97c_platform_data _data; - u32 pin_mask; + struct platform_device *pdev; + struct dw_dma_slave *rx_dws; + struct dw_dma_slave *tx_dws; + struct ac97c_platform_data _data; + u32 pin_mask; if (id != 0) return NULL; @@ -1997,37 +2001,52 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data) if (platform_device_add_resources(pdev, atmel_ac97c0_resource, ARRAY_SIZE(atmel_ac97c0_resource))) - goto fail; + goto out_free_resources; if (!data) { data = &_data; memset(data, 0, sizeof(struct ac97c_platform_data)); - data->reset_pin = GPIO_PIN_NONE; + data->reset_pin = -ENODEV; } - data->dma_rx_periph_id = 3; - data->dma_tx_periph_id = 4; - data->dma_controller_id = 0; + rx_dws = &data->rx_dws; + tx_dws = &data->tx_dws; + + /* Check if DMA slave interface for capture should be configured. */ + if (flags & AC97C_CAPTURE) { + rx_dws->dma_dev = &dw_dmac0_device.dev; + rx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT; + rx_dws->cfg_hi = DWC_CFGH_SRC_PER(3); + rx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL); + } + + /* Check if DMA slave interface for playback should be configured. */ + if (flags & AC97C_PLAYBACK) { + tx_dws->dma_dev = &dw_dmac0_device.dev; + tx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT; + tx_dws->cfg_hi = DWC_CFGH_DST_PER(4); + tx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL); + } if (platform_device_add_data(pdev, data, sizeof(struct ac97c_platform_data))) - goto fail; + goto out_free_resources; - pin_mask = (1 << 20) | (1 << 21); /* SDO & SYNC */ - pin_mask |= (1 << 22) | (1 << 23); /* SCLK & SDI */ + /* SDO | SYNC | SCLK | SDI */ + pin_mask = (1 << 20) | (1 << 21) | (1 << 22) | (1 << 23); select_peripheral(PIOB, pin_mask, PERIPH_B, 0); - /* TODO: gpio_is_valid(data->reset_pin) with kernel 2.6.26. */ - if (data->reset_pin != GPIO_PIN_NONE) - at32_select_gpio(data->reset_pin, 0); + if (gpio_is_valid(data->reset_pin)) + at32_select_gpio(data->reset_pin, AT32_GPIOF_OUTPUT + | AT32_GPIOF_HIGH); atmel_ac97c0_pclk.dev = &pdev->dev; platform_device_add(pdev); return pdev; -fail: +out_free_resources: platform_device_put(pdev); return NULL; } diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h index 63ec4008b25..b363b067b0a 100644 --- a/arch/avr32/mach-at32ap/include/mach/board.h +++ b/arch/avr32/mach-at32ap/include/mach/board.h @@ -88,14 +88,10 @@ struct mci_platform_data; struct platform_device * at32_add_device_mci(unsigned int id, struct mci_platform_data *data); -struct ac97c_platform_data { - unsigned short dma_rx_periph_id; - unsigned short dma_tx_periph_id; - unsigned short dma_controller_id; - int reset_pin; -}; +struct ac97c_platform_data; struct platform_device * -at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data); +at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data, + unsigned int flags); struct atmel_abdac_pdata; struct platform_device * |