ti113x.h
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- /*
- * ti113x.h 1.16 1999/10/25 20:03:34
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.1 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License
- * at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and
- * limitations under the License.
- *
- * The initial developer of the original code is David A. Hinds
- * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
- * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License version 2 (the "GPL"), in which
- * case the provisions of the GPL are applicable instead of the
- * above. If you wish to allow the use of your version of this file
- * only under the terms of the GPL and not to allow others to use
- * your version of this file under the MPL, indicate your decision by
- * deleting the provisions above and replace them with the notice and
- * other provisions required by the GPL. If you do not delete the
- * provisions above, a recipient may use your version of this file
- * under either the MPL or the GPL.
- */
- #ifndef _LINUX_TI113X_H
- #define _LINUX_TI113X_H
- #include <linux/config.h>
- /* Register definitions for TI 113X PCI-to-CardBus bridges */
- /* System Control Register */
- #define TI113X_SYSTEM_CONTROL 0x0080 /* 32 bit */
- #define TI113X_SCR_SMIROUTE 0x04000000
- #define TI113X_SCR_SMISTATUS 0x02000000
- #define TI113X_SCR_SMIENB 0x01000000
- #define TI113X_SCR_VCCPROT 0x00200000
- #define TI113X_SCR_REDUCEZV 0x00100000
- #define TI113X_SCR_CDREQEN 0x00080000
- #define TI113X_SCR_CDMACHAN 0x00070000
- #define TI113X_SCR_SOCACTIVE 0x00002000
- #define TI113X_SCR_PWRSTREAM 0x00000800
- #define TI113X_SCR_DELAYUP 0x00000400
- #define TI113X_SCR_DELAYDOWN 0x00000200
- #define TI113X_SCR_INTERROGATE 0x00000100
- #define TI113X_SCR_CLKRUN_SEL 0x00000080
- #define TI113X_SCR_PWRSAVINGS 0x00000040
- #define TI113X_SCR_SUBSYSRW 0x00000020
- #define TI113X_SCR_CB_DPAR 0x00000010
- #define TI113X_SCR_CDMA_EN 0x00000008
- #define TI113X_SCR_ASYNC_IRQ 0x00000004
- #define TI113X_SCR_KEEPCLK 0x00000002
- #define TI113X_SCR_CLKRUN_ENA 0x00000001
- #define TI122X_SCR_SER_STEP 0xc0000000
- #define TI122X_SCR_INTRTIE 0x20000000
- #define TI122X_SCR_CBRSVD 0x00400000
- #define TI122X_SCR_MRBURSTDN 0x00008000
- #define TI122X_SCR_MRBURSTUP 0x00004000
- #define TI122X_SCR_RIMUX 0x00000001
- /* Multimedia Control Register */
- #define TI1250_MULTIMEDIA_CTL 0x0084 /* 8 bit */
- #define TI1250_MMC_ZVOUTEN 0x80
- #define TI1250_MMC_PORTSEL 0x40
- #define TI1250_MMC_ZVEN1 0x02
- #define TI1250_MMC_ZVEN0 0x01
- #define TI1250_GENERAL_STATUS 0x0085 /* 8 bit */
- #define TI1250_GPIO0_CONTROL 0x0088 /* 8 bit */
- #define TI1250_GPIO1_CONTROL 0x0089 /* 8 bit */
- #define TI1250_GPIO2_CONTROL 0x008a /* 8 bit */
- #define TI1250_GPIO3_CONTROL 0x008b /* 8 bit */
- #define TI122X_IRQMUX 0x008c /* 32 bit */
- /* Retry Status Register */
- #define TI113X_RETRY_STATUS 0x0090 /* 8 bit */
- #define TI113X_RSR_PCIRETRY 0x80
- #define TI113X_RSR_CBRETRY 0x40
- #define TI113X_RSR_TEXP_CBB 0x20
- #define TI113X_RSR_MEXP_CBB 0x10
- #define TI113X_RSR_TEXP_CBA 0x08
- #define TI113X_RSR_MEXP_CBA 0x04
- #define TI113X_RSR_TEXP_PCI 0x02
- #define TI113X_RSR_MEXP_PCI 0x01
- /* Card Control Register */
- #define TI113X_CARD_CONTROL 0x0091 /* 8 bit */
- #define TI113X_CCR_RIENB 0x80
- #define TI113X_CCR_ZVENABLE 0x40
- #define TI113X_CCR_PCI_IRQ_ENA 0x20
- #define TI113X_CCR_PCI_IREQ 0x10
- #define TI113X_CCR_PCI_CSC 0x08
- #define TI113X_CCR_SPKROUTEN 0x02
- #define TI113X_CCR_IFG 0x01
- #define TI1220_CCR_PORT_SEL 0x20
- #define TI122X_CCR_AUD2MUX 0x04
- /* Device Control Register */
- #define TI113X_DEVICE_CONTROL 0x0092 /* 8 bit */
- #define TI113X_DCR_5V_FORCE 0x40
- #define TI113X_DCR_3V_FORCE 0x20
- #define TI113X_DCR_IMODE_MASK 0x06
- #define TI113X_DCR_IMODE_ISA 0x02
- #define TI113X_DCR_IMODE_SERIAL 0x04
- #define TI12XX_DCR_IMODE_PCI_ONLY 0x00
- #define TI12XX_DCR_IMODE_ALL_SERIAL 0x06
- /* Buffer Control Register */
- #define TI113X_BUFFER_CONTROL 0x0093 /* 8 bit */
- #define TI113X_BCR_CB_READ_DEPTH 0x08
- #define TI113X_BCR_CB_WRITE_DEPTH 0x04
- #define TI113X_BCR_PCI_READ_DEPTH 0x02
- #define TI113X_BCR_PCI_WRITE_DEPTH 0x01
- /* Diagnostic Register */
- #define TI1250_DIAGNOSTIC 0x0093 /* 8 bit */
- #define TI1250_DIAG_TRUE_VALUE 0x80
- #define TI1250_DIAG_PCI_IREQ 0x40
- #define TI1250_DIAG_PCI_CSC 0x20
- #define TI1250_DIAG_ASYNC_CSC 0x01
- /* DMA Registers */
- #define TI113X_DMA_0 0x0094 /* 32 bit */
- #define TI113X_DMA_1 0x0098 /* 32 bit */
- /* ExCA IO offset registers */
- #define TI113X_IO_OFFSET(map) (0x36+((map)<<1))
- #ifdef CONFIG_CARDBUS
- /*
- * Generic TI init - TI has an extension for the
- * INTCTL register that sets the PCI CSC interrupt.
- * Make sure we set it correctly at open and init
- * time
- * - open: disable the PCI CSC interrupt. This makes
- * it possible to use the CSC interrupt to probe the
- * ISA interrupts.
- * - init: set the interrupt to match our PCI state.
- * This makes us correctly get PCI CSC interrupt
- * events.
- */
- static int ti_open(pci_socket_t *socket)
- {
- u8 new, reg = exca_readb(socket, I365_INTCTL);
- new = reg & ~I365_INTR_ENA;
- if (new != reg)
- exca_writeb(socket, I365_INTCTL, new);
- return 0;
- }
- static int ti_intctl(pci_socket_t *socket)
- {
- u8 new, reg = exca_readb(socket, I365_INTCTL);
- new = reg & ~I365_INTR_ENA;
- if (socket->cb_irq)
- new |= I365_INTR_ENA;
- if (new != reg)
- exca_writeb(socket, I365_INTCTL, new);
- return 0;
- }
- /*
- * Zoom video control for TI122x/113x chips
- */
- static void ti_zoom_video(pci_socket_t *socket, int onoff)
- {
- u8 reg;
- /* If we don't have a Zoom Video switch this is harmless,
- we just tristate the unused (ZV) lines */
- reg = config_readb(socket, TI113X_CARD_CONTROL);
- if (onoff)
- /* Zoom zoom, we will all go together, zoom zoom, zoom zoom */
- reg |= TI113X_CCR_ZVENABLE;
- else
- reg &= ~TI113X_CCR_ZVENABLE;
- config_writeb(socket, TI113X_CARD_CONTROL, reg);
- }
- /*
- * The 145x series can also use this. They have an additional
- * ZV autodetect mode we don't use but don't actually need.
- * FIXME: manual says its in func0 and func1 but disagrees with
- * itself about this - do we need to force func0, if so we need
- * to know a lot more about socket pairings in pci_socket than we
- * do now.. uggh.
- */
-
- static void ti1250_zoom_video(pci_socket_t *socket, int onoff)
- {
- int shift = 0;
- u8 reg;
- ti_zoom_video(socket, onoff);
- reg = config_readb(socket, 0x84);
- reg |= (1<<7); /* ZV bus enable */
- if(PCI_FUNC(socket->dev->devfn)==1)
- shift = 1;
-
- if(onoff)
- {
- reg &= ~(1<<6); /* Clear select bit */
- reg |= shift<<6; /* Favour our socket */
- reg |= 1<<shift; /* Socket zoom video on */
- }
- else
- {
- reg &= ~(1<<6); /* Clear select bit */
- reg |= (1^shift)<<6; /* Favour other socket */
- reg &= ~(1<<shift); /* Socket zoon video off */
- }
- config_writeb(socket, 0x84, reg);
- }
- static void ti_set_zv(pci_socket_t *socket)
- {
- if(socket->dev->vendor == PCI_VENDOR_ID_TI)
- {
- switch(socket->dev->device)
- {
- /* There may be more .. */
- case PCI_DEVICE_ID_TI_1220:
- case PCI_DEVICE_ID_TI_1221:
- case PCI_DEVICE_ID_TI_1225:
- socket->zoom_video = ti_zoom_video;
- break;
- case PCI_DEVICE_ID_TI_1250:
- case PCI_DEVICE_ID_TI_1251A:
- case PCI_DEVICE_ID_TI_1251B:
- case PCI_DEVICE_ID_TI_1450:
- socket->zoom_video = ti1250_zoom_video;
- }
- }
- }
- static int ti_init(pci_socket_t *socket)
- {
- yenta_init(socket);
- ti_set_zv(socket);
- ti_intctl(socket);
- return 0;
- }
- static struct pci_socket_ops ti_ops = {
- ti_open,
- yenta_close,
- ti_init,
- yenta_suspend,
- yenta_get_status,
- yenta_get_socket,
- yenta_set_socket,
- yenta_get_io_map,
- yenta_set_io_map,
- yenta_get_mem_map,
- yenta_set_mem_map,
- yenta_proc_setup
- };
- #define ti_sysctl(socket) ((socket)->private[0])
- #define ti_cardctl(socket) ((socket)->private[1])
- #define ti_devctl(socket) ((socket)->private[2])
- static int ti113x_open(pci_socket_t *socket)
- {
- ti_sysctl(socket) = config_readl(socket, TI113X_SYSTEM_CONTROL);
- ti_cardctl(socket) = config_readb(socket, TI113X_CARD_CONTROL);
- ti_devctl(socket) = config_readb(socket, TI113X_DEVICE_CONTROL);
- ti_cardctl(socket) &= ~(TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_IREQ | TI113X_CCR_PCI_CSC);
- if (socket->cb_irq)
- ti_cardctl(socket) |= TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_CSC | TI113X_CCR_PCI_IREQ;
- ti_open(socket);
- return 0;
- }
- static int ti113x_init(pci_socket_t *socket)
- {
- yenta_init(socket);
- config_writel(socket, TI113X_SYSTEM_CONTROL, ti_sysctl(socket));
- config_writeb(socket, TI113X_CARD_CONTROL, ti_cardctl(socket));
- config_writeb(socket, TI113X_DEVICE_CONTROL, ti_devctl(socket));
- ti_intctl(socket);
- return 0;
- }
- static struct pci_socket_ops ti113x_ops = {
- ti113x_open,
- yenta_close,
- ti113x_init,
- yenta_suspend,
- yenta_get_status,
- yenta_get_socket,
- yenta_set_socket,
- yenta_get_io_map,
- yenta_set_io_map,
- yenta_get_mem_map,
- yenta_set_mem_map,
- yenta_proc_setup
- };
- #define ti_diag(socket) ((socket)->private[0])
- static int ti1250_open(pci_socket_t *socket)
- {
- ti_diag(socket) = config_readb(socket, TI1250_DIAGNOSTIC);
- ti_diag(socket) &= ~(TI1250_DIAG_PCI_CSC | TI1250_DIAG_PCI_IREQ);
- if (socket->cb_irq)
- ti_diag(socket) |= TI1250_DIAG_PCI_CSC | TI1250_DIAG_PCI_IREQ;
- ti_open(socket);
- return 0;
- }
- static int ti1250_init(pci_socket_t *socket)
- {
- yenta_init(socket);
- ti_set_zv(socket);
- config_writeb(socket, TI1250_DIAGNOSTIC, ti_diag(socket));
- ti_intctl(socket);
- return 0;
- }
- static struct pci_socket_ops ti1250_ops = {
- ti1250_open,
- yenta_close,
- ti1250_init,
- yenta_suspend,
- yenta_get_status,
- yenta_get_socket,
- yenta_set_socket,
- yenta_get_io_map,
- yenta_set_io_map,
- yenta_get_mem_map,
- yenta_set_mem_map,
- yenta_proc_setup
- };
- #endif /* CONFIG_CARDBUS */
- #endif /* _LINUX_TI113X_H */