| /* |
| * timberdale.c timberdale FPGA MFD driver |
| * Copyright (c) 2009 Intel Corporation |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| /* Supports: |
| * Timberdale FPGA |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/pci.h> |
| #include <linux/msi.h> |
| #include <linux/mfd/core.h> |
| #include <linux/slab.h> |
| |
| #include <linux/timb_gpio.h> |
| |
| #include <linux/i2c.h> |
| #include <linux/i2c-ocores.h> |
| #include <linux/i2c-xiic.h> |
| #include <linux/i2c/tsc2007.h> |
| |
| #include <linux/spi/spi.h> |
| #include <linux/spi/xilinx_spi.h> |
| #include <linux/spi/max7301.h> |
| #include <linux/spi/mc33880.h> |
| |
| #include <media/timb_radio.h> |
| #include <media/timb_video.h> |
| |
| #include <linux/timb_dma.h> |
| |
| #include <linux/ks8842.h> |
| |
| #include "timberdale.h" |
| |
| #define DRIVER_NAME "timberdale" |
| |
| struct timberdale_device { |
| resource_size_t ctl_mapbase; |
| unsigned char __iomem *ctl_membase; |
| struct { |
| u32 major; |
| u32 minor; |
| u32 config; |
| } fw; |
| }; |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| static struct tsc2007_platform_data timberdale_tsc2007_platform_data = { |
| .model = 2003, |
| .x_plate_ohms = 100 |
| }; |
| |
| static struct i2c_board_info timberdale_i2c_board_info[] = { |
| { |
| I2C_BOARD_INFO("tsc2007", 0x48), |
| .platform_data = &timberdale_tsc2007_platform_data, |
| .irq = IRQ_TIMBERDALE_TSC_INT |
| }, |
| }; |
| |
| static __devinitdata struct xiic_i2c_platform_data |
| timberdale_xiic_platform_data = { |
| .devices = timberdale_i2c_board_info, |
| .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) |
| }; |
| |
| static __devinitdata struct ocores_i2c_platform_data |
| timberdale_ocores_platform_data = { |
| .regstep = 4, |
| .clock_khz = 62500, |
| .devices = timberdale_i2c_board_info, |
| .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) |
| }; |
| |
| static const __devinitconst struct resource timberdale_xiic_resources[] = { |
| { |
| .start = XIICOFFSET, |
| .end = XIICEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_I2C, |
| .end = IRQ_TIMBERDALE_I2C, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static const __devinitconst struct resource timberdale_ocores_resources[] = { |
| { |
| .start = OCORESOFFSET, |
| .end = OCORESEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_I2C, |
| .end = IRQ_TIMBERDALE_I2C, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| const struct max7301_platform_data timberdale_max7301_platform_data = { |
| .base = 200 |
| }; |
| |
| const struct mc33880_platform_data timberdale_mc33880_platform_data = { |
| .base = 100 |
| }; |
| |
| static struct spi_board_info timberdale_spi_16bit_board_info[] = { |
| { |
| .modalias = "max7301", |
| .max_speed_hz = 26000, |
| .chip_select = 2, |
| .mode = SPI_MODE_0, |
| .platform_data = &timberdale_max7301_platform_data |
| }, |
| }; |
| |
| static struct spi_board_info timberdale_spi_8bit_board_info[] = { |
| { |
| .modalias = "mc33880", |
| .max_speed_hz = 4000, |
| .chip_select = 1, |
| .mode = SPI_MODE_1, |
| .platform_data = &timberdale_mc33880_platform_data |
| }, |
| }; |
| |
| static __devinitdata struct xspi_platform_data timberdale_xspi_platform_data = { |
| .num_chipselect = 3, |
| .little_endian = true, |
| /* bits per word and devices will be filled in runtime depending |
| * on the HW config |
| */ |
| }; |
| |
| static const __devinitconst struct resource timberdale_spi_resources[] = { |
| { |
| .start = SPIOFFSET, |
| .end = SPIEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_SPI, |
| .end = IRQ_TIMBERDALE_SPI, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static __devinitdata struct ks8842_platform_data |
| timberdale_ks8842_platform_data = { |
| .rx_dma_channel = DMA_ETH_RX, |
| .tx_dma_channel = DMA_ETH_TX |
| }; |
| |
| static const __devinitconst struct resource timberdale_eth_resources[] = { |
| { |
| .start = ETHOFFSET, |
| .end = ETHEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_ETHSW_IF, |
| .end = IRQ_TIMBERDALE_ETHSW_IF, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static __devinitdata struct timbgpio_platform_data |
| timberdale_gpio_platform_data = { |
| .gpio_base = 0, |
| .nr_pins = GPIO_NR_PINS, |
| .irq_base = 200, |
| }; |
| |
| static const __devinitconst struct resource timberdale_gpio_resources[] = { |
| { |
| .start = GPIOOFFSET, |
| .end = GPIOEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_GPIO, |
| .end = IRQ_TIMBERDALE_GPIO, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static const __devinitconst struct resource timberdale_mlogicore_resources[] = { |
| { |
| .start = MLCOREOFFSET, |
| .end = MLCOREEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_MLCORE, |
| .end = IRQ_TIMBERDALE_MLCORE, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_MLCORE_BUF, |
| .end = IRQ_TIMBERDALE_MLCORE_BUF, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static const __devinitconst struct resource timberdale_uart_resources[] = { |
| { |
| .start = UARTOFFSET, |
| .end = UARTEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_UART, |
| .end = IRQ_TIMBERDALE_UART, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static const __devinitconst struct resource timberdale_uartlite_resources[] = { |
| { |
| .start = UARTLITEOFFSET, |
| .end = UARTLITEEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_UARTLITE, |
| .end = IRQ_TIMBERDALE_UARTLITE, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static __devinitdata struct i2c_board_info timberdale_adv7180_i2c_board_info = { |
| /* Requires jumper JP9 to be off */ |
| I2C_BOARD_INFO("adv7180", 0x42 >> 1), |
| .irq = IRQ_TIMBERDALE_ADV7180 |
| }; |
| |
| static __devinitdata struct timb_video_platform_data |
| timberdale_video_platform_data = { |
| .dma_channel = DMA_VIDEO_RX, |
| .i2c_adapter = 0, |
| .encoder = { |
| .info = &timberdale_adv7180_i2c_board_info |
| } |
| }; |
| |
| static const __devinitconst struct resource |
| timberdale_radio_resources[] = { |
| { |
| .start = RDSOFFSET, |
| .end = RDSEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_RDS, |
| .end = IRQ_TIMBERDALE_RDS, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static __devinitdata struct i2c_board_info timberdale_tef6868_i2c_board_info = { |
| I2C_BOARD_INFO("tef6862", 0x60) |
| }; |
| |
| static __devinitdata struct i2c_board_info timberdale_saa7706_i2c_board_info = { |
| I2C_BOARD_INFO("saa7706h", 0x1C) |
| }; |
| |
| static __devinitdata struct timb_radio_platform_data |
| timberdale_radio_platform_data = { |
| .i2c_adapter = 0, |
| .tuner = &timberdale_tef6868_i2c_board_info, |
| .dsp = &timberdale_saa7706_i2c_board_info |
| }; |
| |
| static const __devinitconst struct resource timberdale_video_resources[] = { |
| { |
| .start = LOGIWOFFSET, |
| .end = LOGIWEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| /* |
| note that the "frame buffer" is located in DMA area |
| starting at 0x1200000 |
| */ |
| }; |
| |
| static __devinitdata struct timb_dma_platform_data timb_dma_platform_data = { |
| .nr_channels = 10, |
| .channels = { |
| { |
| /* UART RX */ |
| .rx = true, |
| .descriptors = 2, |
| .descriptor_elements = 1 |
| }, |
| { |
| /* UART TX */ |
| .rx = false, |
| .descriptors = 2, |
| .descriptor_elements = 1 |
| }, |
| { |
| /* MLB RX */ |
| .rx = true, |
| .descriptors = 2, |
| .descriptor_elements = 1 |
| }, |
| { |
| /* MLB TX */ |
| .rx = false, |
| .descriptors = 2, |
| .descriptor_elements = 1 |
| }, |
| { |
| /* Video RX */ |
| .rx = true, |
| .bytes_per_line = 1440, |
| .descriptors = 2, |
| .descriptor_elements = 16 |
| }, |
| { |
| /* Video framedrop */ |
| }, |
| { |
| /* SDHCI RX */ |
| .rx = true, |
| }, |
| { |
| /* SDHCI TX */ |
| }, |
| { |
| /* ETH RX */ |
| .rx = true, |
| .descriptors = 2, |
| .descriptor_elements = 1 |
| }, |
| { |
| /* ETH TX */ |
| .rx = false, |
| .descriptors = 2, |
| .descriptor_elements = 1 |
| }, |
| } |
| }; |
| |
| static const __devinitconst struct resource timberdale_dma_resources[] = { |
| { |
| .start = DMAOFFSET, |
| .end = DMAEND, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_DMA, |
| .end = IRQ_TIMBERDALE_DMA, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = { |
| { |
| .name = "timb-dma", |
| .num_resources = ARRAY_SIZE(timberdale_dma_resources), |
| .resources = timberdale_dma_resources, |
| .platform_data = &timb_dma_platform_data, |
| .pdata_size = sizeof(timb_dma_platform_data), |
| }, |
| { |
| .name = "timb-uart", |
| .num_resources = ARRAY_SIZE(timberdale_uart_resources), |
| .resources = timberdale_uart_resources, |
| }, |
| { |
| .name = "xiic-i2c", |
| .num_resources = ARRAY_SIZE(timberdale_xiic_resources), |
| .resources = timberdale_xiic_resources, |
| .platform_data = &timberdale_xiic_platform_data, |
| .pdata_size = sizeof(timberdale_xiic_platform_data), |
| }, |
| { |
| .name = "timb-gpio", |
| .num_resources = ARRAY_SIZE(timberdale_gpio_resources), |
| .resources = timberdale_gpio_resources, |
| .platform_data = &timberdale_gpio_platform_data, |
| .pdata_size = sizeof(timberdale_gpio_platform_data), |
| }, |
| { |
| .name = "timb-video", |
| .num_resources = ARRAY_SIZE(timberdale_video_resources), |
| .resources = timberdale_video_resources, |
| .platform_data = &timberdale_video_platform_data, |
| .pdata_size = sizeof(timberdale_video_platform_data), |
| }, |
| { |
| .name = "timb-radio", |
| .num_resources = ARRAY_SIZE(timberdale_radio_resources), |
| .resources = timberdale_radio_resources, |
| .platform_data = &timberdale_radio_platform_data, |
| .pdata_size = sizeof(timberdale_radio_platform_data), |
| }, |
| { |
| .name = "xilinx_spi", |
| .num_resources = ARRAY_SIZE(timberdale_spi_resources), |
| .resources = timberdale_spi_resources, |
| .platform_data = &timberdale_xspi_platform_data, |
| .pdata_size = sizeof(timberdale_xspi_platform_data), |
| }, |
| { |
| .name = "ks8842", |
| .num_resources = ARRAY_SIZE(timberdale_eth_resources), |
| .resources = timberdale_eth_resources, |
| .platform_data = &timberdale_ks8842_platform_data, |
| .pdata_size = sizeof(timberdale_ks8842_platform_data), |
| }, |
| }; |
| |
| static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { |
| { |
| .name = "timb-dma", |
| .num_resources = ARRAY_SIZE(timberdale_dma_resources), |
| .resources = timberdale_dma_resources, |
| .platform_data = &timb_dma_platform_data, |
| .pdata_size = sizeof(timb_dma_platform_data), |
| }, |
| { |
| .name = "timb-uart", |
| .num_resources = ARRAY_SIZE(timberdale_uart_resources), |
| .resources = timberdale_uart_resources, |
| }, |
| { |
| .name = "uartlite", |
| .num_resources = ARRAY_SIZE(timberdale_uartlite_resources), |
| .resources = timberdale_uartlite_resources, |
| }, |
| { |
| .name = "xiic-i2c", |
| .num_resources = ARRAY_SIZE(timberdale_xiic_resources), |
| .resources = timberdale_xiic_resources, |
| .platform_data = &timberdale_xiic_platform_data, |
| .pdata_size = sizeof(timberdale_xiic_platform_data), |
| }, |
| { |
| .name = "timb-gpio", |
| .num_resources = ARRAY_SIZE(timberdale_gpio_resources), |
| .resources = timberdale_gpio_resources, |
| .platform_data = &timberdale_gpio_platform_data, |
| .pdata_size = sizeof(timberdale_gpio_platform_data), |
| }, |
| { |
| .name = "timb-mlogicore", |
| .num_resources = ARRAY_SIZE(timberdale_mlogicore_resources), |
| .resources = timberdale_mlogicore_resources, |
| }, |
| { |
| .name = "timb-video", |
| .num_resources = ARRAY_SIZE(timberdale_video_resources), |
| .resources = timberdale_video_resources, |
| .platform_data = &timberdale_video_platform_data, |
| .pdata_size = sizeof(timberdale_video_platform_data), |
| }, |
| { |
| .name = "timb-radio", |
| .num_resources = ARRAY_SIZE(timberdale_radio_resources), |
| .resources = timberdale_radio_resources, |
| .platform_data = &timberdale_radio_platform_data, |
| .pdata_size = sizeof(timberdale_radio_platform_data), |
| }, |
| { |
| .name = "xilinx_spi", |
| .num_resources = ARRAY_SIZE(timberdale_spi_resources), |
| .resources = timberdale_spi_resources, |
| .platform_data = &timberdale_xspi_platform_data, |
| .pdata_size = sizeof(timberdale_xspi_platform_data), |
| }, |
| { |
| .name = "ks8842", |
| .num_resources = ARRAY_SIZE(timberdale_eth_resources), |
| .resources = timberdale_eth_resources, |
| .platform_data = &timberdale_ks8842_platform_data, |
| .pdata_size = sizeof(timberdale_ks8842_platform_data), |
| }, |
| }; |
| |
| static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = { |
| { |
| .name = "timb-dma", |
| .num_resources = ARRAY_SIZE(timberdale_dma_resources), |
| .resources = timberdale_dma_resources, |
| .platform_data = &timb_dma_platform_data, |
| .pdata_size = sizeof(timb_dma_platform_data), |
| }, |
| { |
| .name = "timb-uart", |
| .num_resources = ARRAY_SIZE(timberdale_uart_resources), |
| .resources = timberdale_uart_resources, |
| }, |
| { |
| .name = "xiic-i2c", |
| .num_resources = ARRAY_SIZE(timberdale_xiic_resources), |
| .resources = timberdale_xiic_resources, |
| .platform_data = &timberdale_xiic_platform_data, |
| .pdata_size = sizeof(timberdale_xiic_platform_data), |
| }, |
| { |
| .name = "timb-gpio", |
| .num_resources = ARRAY_SIZE(timberdale_gpio_resources), |
| .resources = timberdale_gpio_resources, |
| .platform_data = &timberdale_gpio_platform_data, |
| .pdata_size = sizeof(timberdale_gpio_platform_data), |
| }, |
| { |
| .name = "timb-video", |
| .num_resources = ARRAY_SIZE(timberdale_video_resources), |
| .resources = timberdale_video_resources, |
| .platform_data = &timberdale_video_platform_data, |
| .pdata_size = sizeof(timberdale_video_platform_data), |
| }, |
| { |
| .name = "timb-radio", |
| .num_resources = ARRAY_SIZE(timberdale_radio_resources), |
| .resources = timberdale_radio_resources, |
| .platform_data = &timberdale_radio_platform_data, |
| .pdata_size = sizeof(timberdale_radio_platform_data), |
| }, |
| { |
| .name = "xilinx_spi", |
| .num_resources = ARRAY_SIZE(timberdale_spi_resources), |
| .resources = timberdale_spi_resources, |
| .platform_data = &timberdale_xspi_platform_data, |
| .pdata_size = sizeof(timberdale_xspi_platform_data), |
| }, |
| }; |
| |
| static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = { |
| { |
| .name = "timb-dma", |
| .num_resources = ARRAY_SIZE(timberdale_dma_resources), |
| .resources = timberdale_dma_resources, |
| .platform_data = &timb_dma_platform_data, |
| .pdata_size = sizeof(timb_dma_platform_data), |
| }, |
| { |
| .name = "timb-uart", |
| .num_resources = ARRAY_SIZE(timberdale_uart_resources), |
| .resources = timberdale_uart_resources, |
| }, |
| { |
| .name = "ocores-i2c", |
| .num_resources = ARRAY_SIZE(timberdale_ocores_resources), |
| .resources = timberdale_ocores_resources, |
| .platform_data = &timberdale_ocores_platform_data, |
| .pdata_size = sizeof(timberdale_ocores_platform_data), |
| }, |
| { |
| .name = "timb-gpio", |
| .num_resources = ARRAY_SIZE(timberdale_gpio_resources), |
| .resources = timberdale_gpio_resources, |
| .platform_data = &timberdale_gpio_platform_data, |
| .pdata_size = sizeof(timberdale_gpio_platform_data), |
| }, |
| { |
| .name = "timb-video", |
| .num_resources = ARRAY_SIZE(timberdale_video_resources), |
| .resources = timberdale_video_resources, |
| .platform_data = &timberdale_video_platform_data, |
| .pdata_size = sizeof(timberdale_video_platform_data), |
| }, |
| { |
| .name = "timb-radio", |
| .num_resources = ARRAY_SIZE(timberdale_radio_resources), |
| .resources = timberdale_radio_resources, |
| .platform_data = &timberdale_radio_platform_data, |
| .pdata_size = sizeof(timberdale_radio_platform_data), |
| }, |
| { |
| .name = "xilinx_spi", |
| .num_resources = ARRAY_SIZE(timberdale_spi_resources), |
| .resources = timberdale_spi_resources, |
| .platform_data = &timberdale_xspi_platform_data, |
| .pdata_size = sizeof(timberdale_xspi_platform_data), |
| }, |
| { |
| .name = "ks8842", |
| .num_resources = ARRAY_SIZE(timberdale_eth_resources), |
| .resources = timberdale_eth_resources, |
| .platform_data = &timberdale_ks8842_platform_data, |
| .pdata_size = sizeof(timberdale_ks8842_platform_data), |
| }, |
| }; |
| |
| static const __devinitconst struct resource timberdale_sdhc_resources[] = { |
| /* located in bar 1 and bar 2 */ |
| { |
| .start = SDHC0OFFSET, |
| .end = SDHC0END, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = IRQ_TIMBERDALE_SDHC, |
| .end = IRQ_TIMBERDALE_SDHC, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static __devinitdata struct mfd_cell timberdale_cells_bar1[] = { |
| { |
| .name = "sdhci", |
| .num_resources = ARRAY_SIZE(timberdale_sdhc_resources), |
| .resources = timberdale_sdhc_resources, |
| }, |
| }; |
| |
| static __devinitdata struct mfd_cell timberdale_cells_bar2[] = { |
| { |
| .name = "sdhci", |
| .num_resources = ARRAY_SIZE(timberdale_sdhc_resources), |
| .resources = timberdale_sdhc_resources, |
| }, |
| }; |
| |
| static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| struct pci_dev *pdev = to_pci_dev(dev); |
| struct timberdale_device *priv = pci_get_drvdata(pdev); |
| |
| return sprintf(buf, "%d.%d.%d\n", priv->fw.major, priv->fw.minor, |
| priv->fw.config); |
| } |
| |
| static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| static int __devinit timb_probe(struct pci_dev *dev, |
| const struct pci_device_id *id) |
| { |
| struct timberdale_device *priv; |
| int err, i; |
| resource_size_t mapbase; |
| struct msix_entry *msix_entries = NULL; |
| u8 ip_setup; |
| |
| priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
| if (!priv) |
| return -ENOMEM; |
| |
| pci_set_drvdata(dev, priv); |
| |
| err = pci_enable_device(dev); |
| if (err) |
| goto err_enable; |
| |
| mapbase = pci_resource_start(dev, 0); |
| if (!mapbase) { |
| dev_err(&dev->dev, "No resource\n"); |
| goto err_start; |
| } |
| |
| /* create a resource for the PCI master register */ |
| priv->ctl_mapbase = mapbase + CHIPCTLOFFSET; |
| if (!request_mem_region(priv->ctl_mapbase, CHIPCTLSIZE, "timb-ctl")) { |
| dev_err(&dev->dev, "Failed to request ctl mem\n"); |
| goto err_request; |
| } |
| |
| priv->ctl_membase = ioremap(priv->ctl_mapbase, CHIPCTLSIZE); |
| if (!priv->ctl_membase) { |
| dev_err(&dev->dev, "ioremap failed for ctl mem\n"); |
| goto err_ioremap; |
| } |
| |
| /* read the HW config */ |
| priv->fw.major = ioread32(priv->ctl_membase + TIMB_REV_MAJOR); |
| priv->fw.minor = ioread32(priv->ctl_membase + TIMB_REV_MINOR); |
| priv->fw.config = ioread32(priv->ctl_membase + TIMB_HW_CONFIG); |
| |
| if (priv->fw.major > TIMB_SUPPORTED_MAJOR) { |
| dev_err(&dev->dev, "The driver supports an older " |
| "version of the FPGA, please update the driver to " |
| "support %d.%d\n", priv->fw.major, priv->fw.minor); |
| goto err_ioremap; |
| } |
| if (priv->fw.major < TIMB_SUPPORTED_MAJOR || |
| priv->fw.minor < TIMB_REQUIRED_MINOR) { |
| dev_err(&dev->dev, "The FPGA image is too old (%d.%d), " |
| "please upgrade the FPGA to at least: %d.%d\n", |
| priv->fw.major, priv->fw.minor, |
| TIMB_SUPPORTED_MAJOR, TIMB_REQUIRED_MINOR); |
| goto err_ioremap; |
| } |
| |
| msix_entries = kzalloc(TIMBERDALE_NR_IRQS * sizeof(*msix_entries), |
| GFP_KERNEL); |
| if (!msix_entries) |
| goto err_ioremap; |
| |
| for (i = 0; i < TIMBERDALE_NR_IRQS; i++) |
| msix_entries[i].entry = i; |
| |
| err = pci_enable_msix(dev, msix_entries, TIMBERDALE_NR_IRQS); |
| if (err) { |
| dev_err(&dev->dev, |
| "MSI-X init failed: %d, expected entries: %d\n", |
| err, TIMBERDALE_NR_IRQS); |
| goto err_msix; |
| } |
| |
| err = device_create_file(&dev->dev, &dev_attr_fw_ver); |
| if (err) |
| goto err_create_file; |
| |
| /* Reset all FPGA PLB peripherals */ |
| iowrite32(0x1, priv->ctl_membase + TIMB_SW_RST); |
| |
| /* update IRQ offsets in I2C board info */ |
| for (i = 0; i < ARRAY_SIZE(timberdale_i2c_board_info); i++) |
| timberdale_i2c_board_info[i].irq = |
| msix_entries[timberdale_i2c_board_info[i].irq].vector; |
| |
| /* Update the SPI configuration depending on the HW (8 or 16 bit) */ |
| if (priv->fw.config & TIMB_HW_CONFIG_SPI_8BIT) { |
| timberdale_xspi_platform_data.bits_per_word = 8; |
| timberdale_xspi_platform_data.devices = |
| timberdale_spi_8bit_board_info; |
| timberdale_xspi_platform_data.num_devices = |
| ARRAY_SIZE(timberdale_spi_8bit_board_info); |
| } else { |
| timberdale_xspi_platform_data.bits_per_word = 16; |
| timberdale_xspi_platform_data.devices = |
| timberdale_spi_16bit_board_info; |
| timberdale_xspi_platform_data.num_devices = |
| ARRAY_SIZE(timberdale_spi_16bit_board_info); |
| } |
| |
| ip_setup = priv->fw.config & TIMB_HW_VER_MASK; |
| switch (ip_setup) { |
| case TIMB_HW_VER0: |
| err = mfd_add_devices(&dev->dev, -1, |
| timberdale_cells_bar0_cfg0, |
| ARRAY_SIZE(timberdale_cells_bar0_cfg0), |
| &dev->resource[0], msix_entries[0].vector); |
| break; |
| case TIMB_HW_VER1: |
| err = mfd_add_devices(&dev->dev, -1, |
| timberdale_cells_bar0_cfg1, |
| ARRAY_SIZE(timberdale_cells_bar0_cfg1), |
| &dev->resource[0], msix_entries[0].vector); |
| break; |
| case TIMB_HW_VER2: |
| err = mfd_add_devices(&dev->dev, -1, |
| timberdale_cells_bar0_cfg2, |
| ARRAY_SIZE(timberdale_cells_bar0_cfg2), |
| &dev->resource[0], msix_entries[0].vector); |
| break; |
| case TIMB_HW_VER3: |
| err = mfd_add_devices(&dev->dev, -1, |
| timberdale_cells_bar0_cfg3, |
| ARRAY_SIZE(timberdale_cells_bar0_cfg3), |
| &dev->resource[0], msix_entries[0].vector); |
| break; |
| default: |
| dev_err(&dev->dev, "Uknown IP setup: %d.%d.%d\n", |
| priv->fw.major, priv->fw.minor, ip_setup); |
| err = -ENODEV; |
| goto err_mfd; |
| break; |
| } |
| |
| if (err) { |
| dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); |
| goto err_mfd; |
| } |
| |
| err = mfd_add_devices(&dev->dev, 0, |
| timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1), |
| &dev->resource[1], msix_entries[0].vector); |
| if (err) { |
| dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); |
| goto err_mfd2; |
| } |
| |
| /* only version 0 and 3 have the iNand routed to SDHCI */ |
| if (((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER0) || |
| ((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) { |
| err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2, |
| ARRAY_SIZE(timberdale_cells_bar2), |
| &dev->resource[2], msix_entries[0].vector); |
| if (err) { |
| dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); |
| goto err_mfd2; |
| } |
| } |
| |
| kfree(msix_entries); |
| |
| dev_info(&dev->dev, |
| "Found Timberdale Card. Rev: %d.%d, HW config: 0x%02x\n", |
| priv->fw.major, priv->fw.minor, priv->fw.config); |
| |
| return 0; |
| |
| err_mfd2: |
| mfd_remove_devices(&dev->dev); |
| err_mfd: |
| device_remove_file(&dev->dev, &dev_attr_fw_ver); |
| err_create_file: |
| pci_disable_msix(dev); |
| err_msix: |
| iounmap(priv->ctl_membase); |
| err_ioremap: |
| release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE); |
| err_request: |
| pci_set_drvdata(dev, NULL); |
| err_start: |
| pci_disable_device(dev); |
| err_enable: |
| kfree(msix_entries); |
| kfree(priv); |
| pci_set_drvdata(dev, NULL); |
| return -ENODEV; |
| } |
| |
| static void __devexit timb_remove(struct pci_dev *dev) |
| { |
| struct timberdale_device *priv = pci_get_drvdata(dev); |
| |
| mfd_remove_devices(&dev->dev); |
| |
| device_remove_file(&dev->dev, &dev_attr_fw_ver); |
| |
| iounmap(priv->ctl_membase); |
| release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE); |
| |
| pci_disable_msix(dev); |
| pci_disable_device(dev); |
| pci_set_drvdata(dev, NULL); |
| kfree(priv); |
| } |
| |
| static struct pci_device_id timberdale_pci_tbl[] = { |
| { PCI_DEVICE(PCI_VENDOR_ID_TIMB, PCI_DEVICE_ID_TIMB) }, |
| { 0 } |
| }; |
| MODULE_DEVICE_TABLE(pci, timberdale_pci_tbl); |
| |
| static struct pci_driver timberdale_pci_driver = { |
| .name = DRIVER_NAME, |
| .id_table = timberdale_pci_tbl, |
| .probe = timb_probe, |
| .remove = __devexit_p(timb_remove), |
| }; |
| |
| static int __init timberdale_init(void) |
| { |
| int err; |
| |
| err = pci_register_driver(&timberdale_pci_driver); |
| if (err < 0) { |
| printk(KERN_ERR |
| "Failed to register PCI driver for %s device.\n", |
| timberdale_pci_driver.name); |
| return -ENODEV; |
| } |
| |
| printk(KERN_INFO "Driver for %s has been successfully registered.\n", |
| timberdale_pci_driver.name); |
| |
| return 0; |
| } |
| |
| static void __exit timberdale_exit(void) |
| { |
| pci_unregister_driver(&timberdale_pci_driver); |
| |
| printk(KERN_INFO "Driver for %s has been successfully unregistered.\n", |
| timberdale_pci_driver.name); |
| } |
| |
| module_init(timberdale_init); |
| module_exit(timberdale_exit); |
| |
| MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>"); |
| MODULE_VERSION(DRV_VERSION); |
| MODULE_LICENSE("GPL v2"); |