diff options
Diffstat (limited to 'drivers/pcmcia/sa1111_lubbock.c')
| -rw-r--r-- | drivers/pcmcia/sa1111_lubbock.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/drivers/pcmcia/sa1111_lubbock.c b/drivers/pcmcia/sa1111_lubbock.c deleted file mode 100644 index f1b5160cb8fa..000000000000 --- a/drivers/pcmcia/sa1111_lubbock.c +++ /dev/null @@ -1,155 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/drivers/pcmcia/pxa2xx_lubbock.c - * - * Author: George Davis - * Created: Jan 10, 2002 - * Copyright: MontaVista Software Inc. - * - * Originally based upon linux/drivers/pcmcia/sa1100_neponset.c - * - * Lubbock PCMCIA specific routines. - */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/device.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/delay.h> - -#include <asm/hardware/sa1111.h> -#include <asm/mach-types.h> - -#include "sa1111_generic.h" -#include "max1600.h" - -static int lubbock_pcmcia_hw_init(struct soc_pcmcia_socket *skt) -{ - struct max1600 *m; - int ret; - - ret = max1600_init(skt->socket.dev.parent, &m, - skt->nr ? MAX1600_CHAN_B : MAX1600_CHAN_A, - MAX1600_CODE_HIGH); - if (ret == 0) - skt->driver_data = m; - - return ret; -} - -static int -lubbock_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, - const socket_state_t *state) -{ - struct max1600 *m = skt->driver_data; - int ret = 0; - - /* Lubbock uses the Maxim MAX1602, with the following connections: - * - * Socket 0 (PCMCIA): - * MAX1602 Lubbock Register - * Pin Signal - * ----- ------- ---------------------- - * A0VPP S0_PWR0 SA-1111 GPIO A<0> - * A1VPP S0_PWR1 SA-1111 GPIO A<1> - * A0VCC S0_PWR2 SA-1111 GPIO A<2> - * A1VCC S0_PWR3 SA-1111 GPIO A<3> - * VX VCC - * VY +3.3V - * 12IN +12V - * CODE +3.3V Cirrus Code, CODE = High (VY) - * - * Socket 1 (CF): - * MAX1602 Lubbock Register - * Pin Signal - * ----- ------- ---------------------- - * A0VPP GND VPP is not connected - * A1VPP GND VPP is not connected - * A0VCC S1_PWR0 MISC_WR<14> - * A1VCC S1_PWR1 MISC_WR<15> - * VX VCC - * VY +3.3V - * 12IN GND VPP is not connected - * CODE +3.3V Cirrus Code, CODE = High (VY) - * - */ - - again: - switch (skt->nr) { - case 0: - case 1: - break; - - default: - ret = -1; - } - - if (ret == 0) - ret = sa1111_pcmcia_configure_socket(skt, state); - if (ret == 0) - ret = max1600_configure(m, state->Vcc, state->Vpp); - -#if 1 - if (ret == 0 && state->Vcc == 33) { - struct pcmcia_state new_state; - - /* - * HACK ALERT: - * We can't sense the voltage properly on Lubbock before - * actually applying some power to the socket (catch 22). - * Resense the socket Voltage Sense pins after applying - * socket power. - * - * Note: It takes about 2.5ms for the MAX1602 VCC output - * to rise. - */ - mdelay(3); - - sa1111_pcmcia_socket_state(skt, &new_state); - - if (!new_state.vs_3v && !new_state.vs_Xv) { - /* - * Switch to 5V, Configure socket with 5V voltage - */ - max1600_configure(m, 0, 0); - - /* - * It takes about 100ms to turn off Vcc. - */ - mdelay(100); - - /* - * We need to hack around the const qualifier as - * well to keep this ugly workaround localized and - * not force it to the rest of the code. Barf bags - * available in the seat pocket in front of you! - */ - ((socket_state_t *)state)->Vcc = 50; - ((socket_state_t *)state)->Vpp = 50; - goto again; - } - } -#endif - - return ret; -} - -static struct pcmcia_low_level lubbock_pcmcia_ops = { - .owner = THIS_MODULE, - .hw_init = lubbock_pcmcia_hw_init, - .configure_socket = lubbock_pcmcia_configure_socket, - .first = 0, - .nr = 2, -}; - -#include "pxa2xx_base.h" - -int pcmcia_lubbock_init(struct sa1111_dev *sadev) -{ - pxa2xx_drv_pcmcia_ops(&lubbock_pcmcia_ops); - pxa2xx_configure_sockets(&sadev->dev, &lubbock_pcmcia_ops); - return sa1111_pcmcia_add(sadev, &lubbock_pcmcia_ops, - pxa2xx_drv_pcmcia_add_one); -} - -MODULE_LICENSE("GPL"); |