mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-23 09:56:00 +00:00
Merge branch 'sh/r8a66597-udc'
This commit is contained in:
Paul Mundt
commit
65603789db
@ -16,6 +16,8 @@
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#include <linux/clk.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <linux/usb/r8a66597.h>
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#include <video/sh_mobile_lcdc.h>
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#include <asm/clock.h>
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#include <asm/machvec.h>
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@ -175,6 +177,35 @@ static struct platform_device kfr2r09_sh_lcdc_device = {
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},
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};
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static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
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.on_chip = 1,
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};
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static struct resource kfr2r09_usb0_gadget_resources[] = {
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[0] = {
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.start = 0x04d80000,
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.end = 0x04d80123,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 65,
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.end = 65,
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.flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
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},
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};
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static struct platform_device kfr2r09_usb0_gadget_device = {
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.name = "r8a66597_udc",
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.id = 0,
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.dev = {
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.dma_mask = NULL, /* not use dma */
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &kfr2r09_usb0_gadget_data,
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},
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.num_resources = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
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.resource = kfr2r09_usb0_gadget_resources,
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};
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static struct platform_device *kfr2r09_devices[] __initdata = {
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&kfr2r09_nor_flash_device,
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&kfr2r09_nand_flash_device,
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@ -186,6 +217,74 @@ static struct platform_device *kfr2r09_devices[] __initdata = {
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#define BSC_CS0WCR 0xfec10024
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#define BSC_CS4BCR 0xfec10010
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#define BSC_CS4WCR 0xfec10030
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#define PORT_MSELCRB 0xa4050182
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static int kfr2r09_usb0_gadget_i2c_setup(void)
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{
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struct i2c_adapter *a;
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struct i2c_msg msg;
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unsigned char buf[2];
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int ret;
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a = i2c_get_adapter(0);
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if (!a)
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return -ENODEV;
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/* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
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buf[0] = 0x13;
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msg.addr = 0x09;
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msg.buf = buf;
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msg.len = 1;
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msg.flags = 0;
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ret = i2c_transfer(a, &msg, 1);
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if (ret != 1)
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return -ENODEV;
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buf[0] = 0;
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msg.addr = 0x09;
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msg.buf = buf;
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msg.len = 1;
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msg.flags = I2C_M_RD;
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ret = i2c_transfer(a, &msg, 1);
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if (ret != 1)
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return -ENODEV;
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buf[1] = buf[0] | (1 << 1);
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buf[0] = 0x13;
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msg.addr = 0x09;
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msg.buf = buf;
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msg.len = 2;
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msg.flags = 0;
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ret = i2c_transfer(a, &msg, 1);
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if (ret != 1)
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return -ENODEV;
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return 0;
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}
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static int kfr2r09_usb0_gadget_setup(void)
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{
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int plugged_in;
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gpio_request(GPIO_PTN4, NULL); /* USB_DET */
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gpio_direction_input(GPIO_PTN4);
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plugged_in = gpio_get_value(GPIO_PTN4);
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if (!plugged_in)
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return -ENODEV; /* no cable plugged in */
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if (kfr2r09_usb0_gadget_i2c_setup() != 0)
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return -ENODEV; /* unable to configure using i2c */
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ctrl_outw((ctrl_inw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
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gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
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gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
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gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
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msleep(20); /* wait 20ms to let the clock settle */
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clk_enable(clk_get(NULL, "usb0"));
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ctrl_outw(0x0600, 0xa40501d4);
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return 0;
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}
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static int __init kfr2r09_devices_setup(void)
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{
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@ -245,6 +344,10 @@ static int __init kfr2r09_devices_setup(void)
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gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
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gpio_direction_output(GPIO_PTU0, 1);
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/* setup USB function */
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if (kfr2r09_usb0_gadget_setup() == 0)
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platform_device_register(&kfr2r09_usb0_gadget_device);
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return platform_add_devices(kfr2r09_devices,
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ARRAY_SIZE(kfr2r09_devices));
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}
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@ -341,6 +341,35 @@ static struct platform_device sh7724_usb0_host_device = {
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.resource = sh7724_usb0_host_resources,
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};
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static struct r8a66597_platdata sh7724_usb1_gadget_data = {
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.on_chip = 1,
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};
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static struct resource sh7724_usb1_gadget_resources[] = {
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[0] = {
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.start = 0xa4d90000,
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.end = 0xa4d90123,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 66,
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.end = 66,
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.flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
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},
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};
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static struct platform_device sh7724_usb1_gadget_device = {
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.name = "r8a66597_udc",
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.id = 1, /* USB1 */
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.dev = {
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.dma_mask = NULL, /* not use dma */
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &sh7724_usb1_gadget_data,
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},
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.num_resources = ARRAY_SIZE(sh7724_usb1_gadget_resources),
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.resource = sh7724_usb1_gadget_resources,
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};
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static struct platform_device *ms7724se_devices[] __initdata = {
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&heartbeat_device,
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&smc91x_eth_device,
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@ -351,6 +380,7 @@ static struct platform_device *ms7724se_devices[] __initdata = {
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&keysc_device,
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&sh_eth_device,
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&sh7724_usb0_host_device,
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&sh7724_usb1_gadget_device,
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};
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#define EEPROM_OP 0xBA206000
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@ -459,6 +489,9 @@ static int __init devices_setup(void)
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/* enable USB0 port */
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ctrl_outw(0x0600, 0xa40501d4);
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/* enable USB1 port */
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ctrl_outw(0x0600, 0xa4050192);
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/* enable IRQ 0,1,2 */
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gpio_request(GPIO_FN_INTC_IRQ0, NULL);
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gpio_request(GPIO_FN_INTC_IRQ1, NULL);
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@ -251,6 +251,24 @@ config USB_PXA25X_SMALL
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default y if USB_ETH
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default y if USB_G_SERIAL
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config USB_GADGET_R8A66597
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boolean "Renesas R8A66597 USB Peripheral Controller"
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select USB_GADGET_DUALSPEED
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help
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R8A66597 is a discrete USB host and peripheral controller chip that
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supports both full and high speed USB 2.0 data transfers.
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It has nine configurable endpoints, and endpoint zero.
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Say "y" to link the driver statically, or "m" to build a
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dynamically linked module called "r8a66597_udc" and force all
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gadget drivers to also be dynamically linked.
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config USB_R8A66597
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tristate
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depends on USB_GADGET_R8A66597
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default USB_GADGET
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select USB_GADGET_SELECTED
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config USB_GADGET_PXA27X
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boolean "PXA 27x"
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depends on ARCH_PXA && (PXA27x || PXA3xx)
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@ -23,6 +23,7 @@ ifeq ($(CONFIG_ARCH_MXC),y)
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fsl_usb2_udc-objs += fsl_mx3_udc.o
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endif
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obj-$(CONFIG_USB_M66592) += m66592-udc.o
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obj-$(CONFIG_USB_R8A66597) += r8a66597-udc.o
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obj-$(CONFIG_USB_FSL_QE) += fsl_qe_udc.o
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obj-$(CONFIG_USB_CI13XXX) += ci13xxx_udc.o
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obj-$(CONFIG_USB_S3C_HSOTG) += s3c-hsotg.o
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@ -173,6 +173,12 @@
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// CONFIG_USB_GADGET_AU1X00
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// ...
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#ifdef CONFIG_USB_GADGET_R8A66597
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#define gadget_is_r8a66597(g) !strcmp("r8a66597_udc", (g)->name)
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#else
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#define gadget_is_r8a66597(g) 0
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#endif
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/**
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* usb_gadget_controller_number - support bcdDevice id convention
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@ -239,6 +245,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
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return 0x23;
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else if (gadget_is_langwell(gadget))
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return 0x24;
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else if (gadget_is_r8a66597(gadget))
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return 0x25;
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return -ENOENT;
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}
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1665
drivers/usb/gadget/r8a66597-udc.c
Normal file
1665
drivers/usb/gadget/r8a66597-udc.c
Normal file
File diff suppressed because it is too large
Load Diff
255
drivers/usb/gadget/r8a66597-udc.h
Normal file
255
drivers/usb/gadget/r8a66597-udc.h
Normal file
@ -0,0 +1,255 @@
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/*
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* R8A66597 UDC
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*
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* Copyright (C) 2007-2009 Renesas Solutions Corp.
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*
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* Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* GNU General Public License for more details.
|
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*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __R8A66597_H__
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#define __R8A66597_H__
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#ifdef CONFIG_HAVE_CLK
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#include <linux/clk.h>
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#endif
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#include <linux/usb/r8a66597.h>
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#define R8A66597_MAX_SAMPLING 10
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#define R8A66597_MAX_NUM_PIPE 8
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#define R8A66597_MAX_NUM_BULK 3
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#define R8A66597_MAX_NUM_ISOC 2
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#define R8A66597_MAX_NUM_INT 2
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#define R8A66597_BASE_PIPENUM_BULK 3
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#define R8A66597_BASE_PIPENUM_ISOC 1
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#define R8A66597_BASE_PIPENUM_INT 6
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#define R8A66597_BASE_BUFNUM 6
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#define R8A66597_MAX_BUFNUM 0x4F
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#define is_bulk_pipe(pipenum) \
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((pipenum >= R8A66597_BASE_PIPENUM_BULK) && \
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(pipenum < (R8A66597_BASE_PIPENUM_BULK + R8A66597_MAX_NUM_BULK)))
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||||
#define is_interrupt_pipe(pipenum) \
|
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((pipenum >= R8A66597_BASE_PIPENUM_INT) && \
|
||||
(pipenum < (R8A66597_BASE_PIPENUM_INT + R8A66597_MAX_NUM_INT)))
|
||||
#define is_isoc_pipe(pipenum) \
|
||||
((pipenum >= R8A66597_BASE_PIPENUM_ISOC) && \
|
||||
(pipenum < (R8A66597_BASE_PIPENUM_ISOC + R8A66597_MAX_NUM_ISOC)))
|
||||
|
||||
struct r8a66597_pipe_info {
|
||||
u16 pipe;
|
||||
u16 epnum;
|
||||
u16 maxpacket;
|
||||
u16 type;
|
||||
u16 interval;
|
||||
u16 dir_in;
|
||||
};
|
||||
|
||||
struct r8a66597_request {
|
||||
struct usb_request req;
|
||||
struct list_head queue;
|
||||
};
|
||||
|
||||
struct r8a66597_ep {
|
||||
struct usb_ep ep;
|
||||
struct r8a66597 *r8a66597;
|
||||
|
||||
struct list_head queue;
|
||||
unsigned busy:1;
|
||||
unsigned internal_ccpl:1; /* use only control */
|
||||
|
||||
/* this member can able to after r8a66597_enable */
|
||||
unsigned use_dma:1;
|
||||
u16 pipenum;
|
||||
u16 type;
|
||||
const struct usb_endpoint_descriptor *desc;
|
||||
/* register address */
|
||||
unsigned char fifoaddr;
|
||||
unsigned char fifosel;
|
||||
unsigned char fifoctr;
|
||||
unsigned char fifotrn;
|
||||
unsigned char pipectr;
|
||||
};
|
||||
|
||||
struct r8a66597 {
|
||||
spinlock_t lock;
|
||||
unsigned long reg;
|
||||
|
||||
#ifdef CONFIG_HAVE_CLK
|
||||
struct clk *clk;
|
||||
#endif
|
||||
struct r8a66597_platdata *pdata;
|
||||
|
||||
struct usb_gadget gadget;
|
||||
struct usb_gadget_driver *driver;
|
||||
|
||||
struct r8a66597_ep ep[R8A66597_MAX_NUM_PIPE];
|
||||
struct r8a66597_ep *pipenum2ep[R8A66597_MAX_NUM_PIPE];
|
||||
struct r8a66597_ep *epaddr2ep[16];
|
||||
|
||||
struct timer_list timer;
|
||||
struct usb_request *ep0_req; /* for internal request */
|
||||
u16 ep0_data; /* for internal request */
|
||||
u16 old_vbus;
|
||||
u16 scount;
|
||||
u16 old_dvsq;
|
||||
|
||||
/* pipe config */
|
||||
unsigned char bulk;
|
||||
unsigned char interrupt;
|
||||
unsigned char isochronous;
|
||||
unsigned char num_dma;
|
||||
|
||||
unsigned irq_sense_low:1;
|
||||
};
|
||||
|
||||
#define gadget_to_r8a66597(_gadget) \
|
||||
container_of(_gadget, struct r8a66597, gadget)
|
||||
#define r8a66597_to_gadget(r8a66597) (&r8a66597->gadget)
|
||||
|
||||
static inline u16 r8a66597_read(struct r8a66597 *r8a66597, unsigned long offset)
|
||||
{
|
||||
return inw(r8a66597->reg + offset);
|
||||
}
|
||||
|
||||
static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597,
|
||||
unsigned long offset, u16 *buf,
|
||||
int len)
|
||||
{
|
||||
if (r8a66597->pdata->on_chip) {
|
||||
unsigned long fifoaddr = r8a66597->reg + offset;
|
||||
unsigned long count;
|
||||
union {
|
||||
unsigned long dword;
|
||||
unsigned char byte[4];
|
||||
} data;
|
||||
unsigned char *pb;
|
||||
int i;
|
||||
|
||||
count = len / 4;
|
||||
insl(fifoaddr, buf, count);
|
||||
|
||||
if (len & 0x00000003) {
|
||||
data.dword = inl(fifoaddr);
|
||||
pb = (unsigned char *)buf + count * 4;
|
||||
for (i = 0; i < (len & 0x00000003); i++)
|
||||
pb[i] = data.byte[i];
|
||||
}
|
||||
} else {
|
||||
len = (len + 1) / 2;
|
||||
insw(r8a66597->reg + offset, buf, len);
|
||||
}
|
||||
}
|
||||
|
||||
static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
|
||||
unsigned long offset)
|
||||
{
|
||||
outw(val, r8a66597->reg + offset);
|
||||
}
|
||||
|
||||
static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
|
||||
unsigned long offset, u16 *buf,
|
||||
int len)
|
||||
{
|
||||
unsigned long fifoaddr = r8a66597->reg + offset;
|
||||
|
||||
if (r8a66597->pdata->on_chip) {
|
||||
unsigned long count;
|
||||
unsigned char *pb;
|
||||
int i;
|
||||
|
||||
count = len / 4;
|
||||
outsl(fifoaddr, buf, count);
|
||||
|
||||
if (len & 0x00000003) {
|
||||
pb = (unsigned char *)buf + count * 4;
|
||||
for (i = 0; i < (len & 0x00000003); i++) {
|
||||
if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
|
||||
outb(pb[i], fifoaddr + i);
|
||||
else
|
||||
outb(pb[i], fifoaddr + 3 - i);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
int odd = len & 0x0001;
|
||||
|
||||
len = len / 2;
|
||||
outsw(fifoaddr, buf, len);
|
||||
if (unlikely(odd)) {
|
||||
buf = &buf[len];
|
||||
outb((unsigned char)*buf, fifoaddr);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
|
||||
u16 val, u16 pat, unsigned long offset)
|
||||
{
|
||||
u16 tmp;
|
||||
tmp = r8a66597_read(r8a66597, offset);
|
||||
tmp = tmp & (~pat);
|
||||
tmp = tmp | val;
|
||||
r8a66597_write(r8a66597, tmp, offset);
|
||||
}
|
||||
|
||||
static inline u16 get_xtal_from_pdata(struct r8a66597_platdata *pdata)
|
||||
{
|
||||
u16 clock = 0;
|
||||
|
||||
switch (pdata->xtal) {
|
||||
case R8A66597_PLATDATA_XTAL_12MHZ:
|
||||
clock = XTAL12;
|
||||
break;
|
||||
case R8A66597_PLATDATA_XTAL_24MHZ:
|
||||
clock = XTAL24;
|
||||
break;
|
||||
case R8A66597_PLATDATA_XTAL_48MHZ:
|
||||
clock = XTAL48;
|
||||
break;
|
||||
default:
|
||||
printk(KERN_ERR "r8a66597: platdata clock is wrong.\n");
|
||||
break;
|
||||
}
|
||||
|
||||
return clock;
|
||||
}
|
||||
|
||||
#define r8a66597_bclr(r8a66597, val, offset) \
|
||||
r8a66597_mdfy(r8a66597, 0, val, offset)
|
||||
#define r8a66597_bset(r8a66597, val, offset) \
|
||||
r8a66597_mdfy(r8a66597, val, 0, offset)
|
||||
|
||||
#define get_pipectr_addr(pipenum) (PIPE1CTR + (pipenum - 1) * 2)
|
||||
|
||||
#define enable_irq_ready(r8a66597, pipenum) \
|
||||
enable_pipe_irq(r8a66597, pipenum, BRDYENB)
|
||||
#define disable_irq_ready(r8a66597, pipenum) \
|
||||
disable_pipe_irq(r8a66597, pipenum, BRDYENB)
|
||||
#define enable_irq_empty(r8a66597, pipenum) \
|
||||
enable_pipe_irq(r8a66597, pipenum, BEMPENB)
|
||||
#define disable_irq_empty(r8a66597, pipenum) \
|
||||
disable_pipe_irq(r8a66597, pipenum, BEMPENB)
|
||||
#define enable_irq_nrdy(r8a66597, pipenum) \
|
||||
enable_pipe_irq(r8a66597, pipenum, NRDYENB)
|
||||
#define disable_irq_nrdy(r8a66597, pipenum) \
|
||||
disable_pipe_irq(r8a66597, pipenum, NRDYENB)
|
||||
|
||||
#endif /* __R8A66597_H__ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user