aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-davinci/board-dm646x-evm.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-davinci/board-dm646x-evm.c')
-rw-r--r--arch/arm/mach-davinci/board-dm646x-evm.c410
1 files changed, 410 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 8657e72debc..24e0e13b149 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -34,6 +34,8 @@
#include <linux/i2c/pcf857x.h>
#include <linux/etherdevice.h>
+#include <media/tvp514x.h>
+
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -48,13 +50,89 @@
#include <mach/mmc.h>
#include <mach/emac.h>
+#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
+ defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
+#define HAS_ATA 1
+#else
+#define HAS_ATA 0
+#endif
+
+/* CPLD Register 0 bits to control ATA */
+#define DM646X_EVM_ATA_RST BIT(0)
+#define DM646X_EVM_ATA_PWD BIT(1)
+
#define DM646X_EVM_PHY_MASK (0x2)
#define DM646X_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
+#define VIDCLKCTL_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x38)
+#define VSCLKDIS_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x6c)
+#define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
+#define VCH2CLK_SYSCLK8 (BIT(9))
+#define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
+#define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
+#define VCH3CLK_SYSCLK8 (BIT(13))
+#define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
+
+#define VIDCH2CLK (BIT(10))
+#define VIDCH3CLK (BIT(11))
+#define VIDCH1CLK (BIT(4))
+#define TVP7002_INPUT (BIT(4))
+#define TVP5147_INPUT (~BIT(4))
+#define VPIF_INPUT_ONE_CHANNEL (BIT(5))
+#define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
+#define TVP5147_CH0 "tvp514x-0"
+#define TVP5147_CH1 "tvp514x-1"
+
+static void __iomem *vpif_vidclkctl_reg;
+static void __iomem *vpif_vsclkdis_reg;
+/* spin lock for updating above registers */
+static spinlock_t vpif_reg_lock;
+
static struct davinci_uart_config uart_config __initdata = {
.enabled_uarts = (1 << 0),
};
+/* CPLD Register 0 Client: used for I/O Control */
+static int cpld_reg0_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ if (HAS_ATA) {
+ u8 data;
+ struct i2c_msg msg[2] = {
+ {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = &data,
+ },
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 1,
+ .buf = &data,
+ },
+ };
+
+ /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
+ i2c_transfer(client->adapter, msg, 1);
+ data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
+ i2c_transfer(client->adapter, msg + 1, 1);
+ }
+
+ return 0;
+}
+
+static const struct i2c_device_id cpld_reg_ids[] = {
+ { "cpld_reg0", 0, },
+ { },
+};
+
+static struct i2c_driver dm6467evm_cpld_driver = {
+ .driver.name = "cpld_reg0",
+ .id_table = cpld_reg_ids,
+ .probe = cpld_reg0_probe,
+};
+
/* LEDS */
static struct gpio_led evm_leds[] = {
@@ -206,6 +284,69 @@ static struct at24_platform_data eeprom_info = {
.context = (void *)0x7f00,
};
+static u8 dm646x_iis_serializer_direction[] = {
+ TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
+};
+
+static u8 dm646x_dit_serializer_direction[] = {
+ TX_MODE,
+};
+
+static struct snd_platform_data dm646x_evm_snd_data[] = {
+ {
+ .tx_dma_offset = 0x400,
+ .rx_dma_offset = 0x400,
+ .op_mode = DAVINCI_MCASP_IIS_MODE,
+ .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
+ .tdm_slots = 2,
+ .serial_dir = dm646x_iis_serializer_direction,
+ .eventq_no = EVENTQ_0,
+ },
+ {
+ .tx_dma_offset = 0x400,
+ .rx_dma_offset = 0,
+ .op_mode = DAVINCI_MCASP_DIT_MODE,
+ .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
+ .tdm_slots = 32,
+ .serial_dir = dm646x_dit_serializer_direction,
+ .eventq_no = EVENTQ_0,
+ },
+};
+
+static struct i2c_client *cpld_client;
+
+static int cpld_video_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ cpld_client = client;
+ return 0;
+}
+
+static int __devexit cpld_video_remove(struct i2c_client *client)
+{
+ cpld_client = NULL;
+ return 0;
+}
+
+static const struct i2c_device_id cpld_video_id[] = {
+ { "cpld_video", 0 },
+ { }
+};
+
+static struct i2c_driver cpld_video_driver = {
+ .driver = {
+ .name = "cpld_video",
+ },
+ .probe = cpld_video_probe,
+ .remove = cpld_video_remove,
+ .id_table = cpld_video_id,
+};
+
+static void evm_init_cpld(void)
+{
+ i2c_add_driver(&cpld_video_driver);
+}
+
static struct i2c_board_info __initdata i2c_info[] = {
{
I2C_BOARD_INFO("24c256", 0x50),
@@ -215,6 +356,15 @@ static struct i2c_board_info __initdata i2c_info[] = {
I2C_BOARD_INFO("pcf8574a", 0x38),
.platform_data = &pcf_data,
},
+ {
+ I2C_BOARD_INFO("cpld_reg0", 0x3a),
+ },
+ {
+ I2C_BOARD_INFO("tlv320aic33", 0x18),
+ },
+ {
+ I2C_BOARD_INFO("cpld_video", 0x3b),
+ },
};
static struct davinci_i2c_platform_data i2c_pdata = {
@@ -222,10 +372,265 @@ static struct davinci_i2c_platform_data i2c_pdata = {
.bus_delay = 0 /* usec */,
};
+static int set_vpif_clock(int mux_mode, int hd)
+{
+ unsigned long flags;
+ unsigned int value;
+ int val = 0;
+ int err = 0;
+
+ if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg || !cpld_client)
+ return -ENXIO;
+
+ /* disable the clock */
+ spin_lock_irqsave(&vpif_reg_lock, flags);
+ value = __raw_readl(vpif_vsclkdis_reg);
+ value |= (VIDCH3CLK | VIDCH2CLK);
+ __raw_writel(value, vpif_vsclkdis_reg);
+ spin_unlock_irqrestore(&vpif_reg_lock, flags);
+
+ val = i2c_smbus_read_byte(cpld_client);
+ if (val < 0)
+ return val;
+
+ if (mux_mode == 1)
+ val &= ~0x40;
+ else
+ val |= 0x40;
+
+ err = i2c_smbus_write_byte(cpld_client, val);
+ if (err)
+ return err;
+
+ value = __raw_readl(vpif_vidclkctl_reg);
+ value &= ~(VCH2CLK_MASK);
+ value &= ~(VCH3CLK_MASK);
+
+ if (hd >= 1)
+ value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
+ else
+ value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
+
+ __raw_writel(value, vpif_vidclkctl_reg);
+
+ spin_lock_irqsave(&vpif_reg_lock, flags);
+ value = __raw_readl(vpif_vsclkdis_reg);
+ /* enable the clock */
+ value &= ~(VIDCH3CLK | VIDCH2CLK);
+ __raw_writel(value, vpif_vsclkdis_reg);
+ spin_unlock_irqrestore(&vpif_reg_lock, flags);
+
+ return 0;
+}
+
+static struct vpif_subdev_info dm646x_vpif_subdev[] = {
+ {
+ .name = "adv7343",
+ .board_info = {
+ I2C_BOARD_INFO("adv7343", 0x2a),
+ },
+ },
+ {
+ .name = "ths7303",
+ .board_info = {
+ I2C_BOARD_INFO("ths7303", 0x2c),
+ },
+ },
+};
+
+static const char *output[] = {
+ "Composite",
+ "Component",
+ "S-Video",
+};
+
+static struct vpif_display_config dm646x_vpif_display_config = {
+ .set_clock = set_vpif_clock,
+ .subdevinfo = dm646x_vpif_subdev,
+ .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev),
+ .output = output,
+ .output_count = ARRAY_SIZE(output),
+ .card_name = "DM646x EVM",
+};
+
+/**
+ * setup_vpif_input_path()
+ * @channel: channel id (0 - CH0, 1 - CH1)
+ * @sub_dev_name: ptr sub device name
+ *
+ * This will set vpif input to capture data from tvp514x or
+ * tvp7002.
+ */
+static int setup_vpif_input_path(int channel, const char *sub_dev_name)
+{
+ int err = 0;
+ int val;
+
+ /* for channel 1, we don't do anything */
+ if (channel != 0)
+ return 0;
+
+ if (!cpld_client)
+ return -ENXIO;
+
+ val = i2c_smbus_read_byte(cpld_client);
+ if (val < 0)
+ return val;
+
+ if (!strcmp(sub_dev_name, TVP5147_CH0) ||
+ !strcmp(sub_dev_name, TVP5147_CH1))
+ val &= TVP5147_INPUT;
+ else
+ val |= TVP7002_INPUT;
+
+ err = i2c_smbus_write_byte(cpld_client, val);
+ if (err)
+ return err;
+ return 0;
+}
+
+/**
+ * setup_vpif_input_channel_mode()
+ * @mux_mode: mux mode. 0 - 1 channel or (1) - 2 channel
+ *
+ * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
+ */
+static int setup_vpif_input_channel_mode(int mux_mode)
+{
+ unsigned long flags;
+ int err = 0;
+ int val;
+ u32 value;
+
+ if (!vpif_vsclkdis_reg || !cpld_client)
+ return -ENXIO;
+
+ val = i2c_smbus_read_byte(cpld_client);
+ if (val < 0)
+ return val;
+
+ spin_lock_irqsave(&vpif_reg_lock, flags);
+ value = __raw_readl(vpif_vsclkdis_reg);
+ if (mux_mode) {
+ val &= VPIF_INPUT_TWO_CHANNEL;
+ value |= VIDCH1CLK;
+ } else {
+ val |= VPIF_INPUT_ONE_CHANNEL;
+ value &= ~VIDCH1CLK;
+ }
+ __raw_writel(value, vpif_vsclkdis_reg);
+ spin_unlock_irqrestore(&vpif_reg_lock, flags);
+
+ err = i2c_smbus_write_byte(cpld_client, val);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static struct tvp514x_platform_data tvp5146_pdata = {
+ .clk_polarity = 0,
+ .hs_polarity = 1,
+ .vs_polarity = 1
+};
+
+#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
+
+static struct vpif_subdev_info vpif_capture_sdev_info[] = {
+ {
+ .name = TVP5147_CH0,
+ .board_info = {
+ I2C_BOARD_INFO("tvp5146", 0x5d),
+ .platform_data = &tvp5146_pdata,
+ },
+ .input = INPUT_CVBS_VI2B,
+ .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+ .can_route = 1,
+ .vpif_if = {
+ .if_type = VPIF_IF_BT656,
+ .hd_pol = 1,
+ .vd_pol = 1,
+ .fid_pol = 0,
+ },
+ },
+ {
+ .name = TVP5147_CH1,
+ .board_info = {
+ I2C_BOARD_INFO("tvp5146", 0x5c),
+ .platform_data = &tvp5146_pdata,
+ },
+ .input = INPUT_SVIDEO_VI2C_VI1C,
+ .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+ .can_route = 1,
+ .vpif_if = {
+ .if_type = VPIF_IF_BT656,
+ .hd_pol = 1,
+ .vd_pol = 1,
+ .fid_pol = 0,
+ },
+ },
+};
+
+static const struct vpif_input dm6467_ch0_inputs[] = {
+ {
+ .input = {
+ .index = 0,
+ .name = "Composite",
+ .type = V4L2_INPUT_TYPE_CAMERA,
+ .std = TVP514X_STD_ALL,
+ },
+ .subdev_name = TVP5147_CH0,
+ },
+};
+
+static const struct vpif_input dm6467_ch1_inputs[] = {
+ {
+ .input = {
+ .index = 0,
+ .name = "S-Video",
+ .type = V4L2_INPUT_TYPE_CAMERA,
+ .std = TVP514X_STD_ALL,
+ },
+ .subdev_name = TVP5147_CH1,
+ },
+};
+
+static struct vpif_capture_config dm646x_vpif_capture_cfg = {
+ .setup_input_path = setup_vpif_input_path,
+ .setup_input_channel_mode = setup_vpif_input_channel_mode,
+ .subdev_info = vpif_capture_sdev_info,
+ .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
+ .chan_config[0] = {
+ .inputs = dm6467_ch0_inputs,
+ .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
+ },
+ .chan_config[1] = {
+ .inputs = dm6467_ch1_inputs,
+ .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
+ },
+};
+
+static void __init evm_init_video(void)
+{
+ vpif_vidclkctl_reg = ioremap(VIDCLKCTL_OFFSET, 4);
+ vpif_vsclkdis_reg = ioremap(VSCLKDIS_OFFSET, 4);
+ if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg) {
+ pr_err("Can't map VPIF VIDCLKCTL or VSCLKDIS registers\n");
+ return;
+ }
+ spin_lock_init(&vpif_reg_lock);
+
+ dm646x_setup_vpif(&dm646x_vpif_display_config,
+ &dm646x_vpif_capture_cfg);
+}
+
static void __init evm_init_i2c(void)
{
davinci_init_i2c(&i2c_pdata);
+ i2c_add_driver(&dm6467evm_cpld_driver);
i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
+ evm_init_cpld();
+ evm_init_video();
}
static void __init davinci_map_io(void)
@@ -239,6 +644,11 @@ static __init void evm_init(void)
evm_init_i2c();
davinci_serial_init(&uart_config);
+ dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
+ dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
+
+ if (HAS_ATA)
+ dm646x_init_ide();
soc_info->emac_pdata->phy_mask = DM646X_EVM_PHY_MASK;
soc_info->emac_pdata->mdio_max_freq = DM646X_EVM_MDIO_FREQUENCY;