Andrew Wu (arw@dmp.com.tw) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3986
-gerrit
commit 69a4c130dc284607f89014a7c8009bb2781fd651 Author: Andrew Wu arw@dmp.com.tw Date: Wed Oct 23 20:47:20 2013 +0800
keyboard.c: fix coding style
Change-Id: Ie8efa9fb9bdc65bf8015eec197f44c432e87d907 Signed-off-by: Andrew Wu arw@dmp.com.tw --- src/drivers/pc80/keyboard.c | 100 ++++++++++++++++++++++++-------------------- 1 file changed, 55 insertions(+), 45 deletions(-)
diff --git a/src/drivers/pc80/keyboard.c b/src/drivers/pc80/keyboard.c index 2888bcf..1cdad6d 100644 --- a/src/drivers/pc80/keyboard.c +++ b/src/drivers/pc80/keyboard.c @@ -19,7 +19,6 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
- #include <console/console.h> #include <pc80/keyboard.h> #include <device/device.h> @@ -29,14 +28,14 @@ #define KBD_DATA 0x60 #define KBD_COMMAND 0x64 #define KBD_STATUS 0x64 -#define KBD_IBF (1 << 1) // 1: input buffer full (data ready for ec) -#define KBD_OBF (1 << 0) // 1: output buffer full (data ready for host) +#define KBD_IBF (1 << 1) // 1: input buffer full (data ready for ec) +#define KBD_OBF (1 << 0) // 1: output buffer full (data ready for host)
// Keyboard Controller Commands -#define KBC_CMD_READ_COMMAND 0x20 // Read command byte -#define KBC_CMD_WRITE_COMMAND 0x60 // Write command byte -#define KBC_CMD_SELF_TEST 0xAA // Controller self-test -#define KBC_CMD_KBD_TEST 0xAB // Keyboard Interface test +#define KBC_CMD_READ_COMMAND 0x20 // Read command byte +#define KBC_CMD_WRITE_COMMAND 0x60 // Write command byte +#define KBC_CMD_SELF_TEST 0xAA // Controller self-test +#define KBC_CMD_KBD_TEST 0xAB // Keyboard Interface test
/* The Keyboard controller command byte * BIT | Description @@ -52,14 +51,14 @@ */
// Keyboard Controller Replies -#define KBC_REPLY_SELFTEST_OK 0x55 // controller self-test succeeded +#define KBC_REPLY_SELFTEST_OK 0x55 // controller self-test succeeded
// // Keyboard Replies // -#define KBD_REPLY_POR 0xAA // Power on reset -#define KBD_REPLY_ACK 0xFA // Command ACK -#define KBD_REPLY_RESEND 0xFE // Command NACK, send command again +#define KBD_REPLY_POR 0xAA // Power on reset +#define KBD_REPLY_ACK 0xFA // Command ACK +#define KBD_REPLY_RESEND 0xFE // Command NACK, send command again
/* Wait 400ms for keyboard controller answers */ #define KBC_TIMEOUT_IN_MS 400 @@ -67,43 +66,43 @@ static int kbc_input_buffer_empty(void) { u32 timeout; - for(timeout = KBC_TIMEOUT_IN_MS; timeout && (inb(KBD_STATUS) & KBD_IBF); timeout--) { + for (timeout = KBC_TIMEOUT_IN_MS; + timeout && (inb(KBD_STATUS) & KBD_IBF); timeout--) mdelay(1); - }
- if (!timeout) { - printk(BIOS_WARNING, "Unexpected Keyboard controller input buffer full\n"); - } + if (!timeout) + printk(BIOS_WARNING, + "Unexpected Keyboard controller input buffer full\n"); return !!timeout; }
- static int kbc_output_buffer_full(void) { u32 timeout; - for(timeout = KBC_TIMEOUT_IN_MS; timeout && ((inb(KBD_STATUS) & KBD_OBF) == 0); timeout--) { + for (timeout = KBC_TIMEOUT_IN_MS; + timeout && ((inb(KBD_STATUS) & KBD_OBF) == 0); timeout--) mdelay(1); - }
- if (!timeout) { - printk(BIOS_INFO, "Keyboard controller output buffer result timeout\n"); - } + if (!timeout) + printk(BIOS_INFO, + "Keyboard controller output buffer result timeout\n"); return !!timeout; }
- static int kbc_cleanup_buffers(void) { u32 timeout; - for(timeout = KBC_TIMEOUT_IN_MS; timeout && (inb(KBD_STATUS) & (KBD_OBF | KBD_IBF)); timeout--) { + for (timeout = KBC_TIMEOUT_IN_MS; + timeout && (inb(KBD_STATUS) & (KBD_OBF | KBD_IBF)); timeout--) { mdelay(1); inb(KBD_DATA); }
if (!timeout) { - printk(BIOS_ERR, "Couldn't cleanup the keyboard controller buffers\n"); + printk(BIOS_ERR, + "Couldn't cleanup the keyboard controller buffers\n"); printk(BIOS_ERR, "Status (0x%x): 0x%x, Buffer (0x%x): 0x%x\n", - KBD_STATUS, inb(KBD_STATUS), KBD_DATA, inb(KBD_DATA)); + KBD_STATUS, inb(KBD_STATUS), KBD_DATA, inb(KBD_DATA)); }
return !!timeout; @@ -133,7 +132,7 @@ static int kbc_self_test(void)
if (self_test != 0x55) { printk(BIOS_ERR, "Keyboard Controller self-test failed: 0x%x\n", - self_test); + self_test); return 0; }
@@ -153,7 +152,7 @@ static int kbc_self_test(void)
if (self_test != 0x00) { printk(BIOS_ERR, "Keyboard Interface test failed: 0x%x\n", - self_test); + self_test); return 0; }
@@ -166,19 +165,21 @@ static u8 send_keyboard(u8 command) u8 resend = 10;
do { - if (!kbc_input_buffer_empty()) return 0; + if (!kbc_input_buffer_empty()) + return 0; outb(command, KBD_DATA); /* the reset command takes much longer then normal commands and * even worse, some keyboards do send the ACK _after_ doing the * reset */ if (command == 0xFF) { u8 retries; - for (retries = 9; retries && !kbc_output_buffer_full(); retries--) - ; + for (retries = 9; retries && !kbc_output_buffer_full(); + retries--) ; } if (!kbc_output_buffer_full()) { - printk(BIOS_ERR, "Could not send keyboard command %02x\n", - command); + printk(BIOS_ERR, + "Could not send keyboard command %02x\n", + command); return 0; } regval = inb(KBD_DATA); @@ -201,9 +202,11 @@ void pc_keyboard_init(struct pc_keyboard *keyboard) return;
/* Enable keyboard interface - No IRQ */ - if (!kbc_input_buffer_empty()) return; + if (!kbc_input_buffer_empty()) + return; outb(0x60, KBD_COMMAND); - if (!kbc_input_buffer_empty()) return; + if (!kbc_input_buffer_empty()) + return; outb(0x20, KBD_DATA); /* send cmd: enable keyboard */ if (!kbc_input_buffer_empty()) { printk(BIOS_INFO, "Timeout while enabling keyboard\n"); @@ -211,7 +214,8 @@ void pc_keyboard_init(struct pc_keyboard *keyboard) }
/* clean up any junk that might have been in the keyboard */ - if (!kbc_cleanup_buffers()) return; + if (!kbc_cleanup_buffers()) + return;
/* reset keyboard and self test (keyboard side) */ regval = send_keyboard(0xFF); @@ -227,8 +231,7 @@ void pc_keyboard_init(struct pc_keyboard *keyboard) }
/* the reset command takes some time, so wait a little longer */ - for (retries = 9; retries && !kbc_output_buffer_full(); retries--) - ; + for (retries = 9; retries && !kbc_output_buffer_full(); retries--) ;
if (!kbc_output_buffer_full()) { printk(BIOS_ERR, "Timeout waiting for keyboard after reset.\n"); @@ -237,7 +240,8 @@ void pc_keyboard_init(struct pc_keyboard *keyboard)
regval = inb(KBD_DATA); if (regval != 0xAA) { - printk(BIOS_ERR, "Keyboard reset selftest failed: 0x%x\n", regval); + printk(BIOS_ERR, "Keyboard reset selftest failed: 0x%x\n", + regval); return; }
@@ -256,20 +260,24 @@ void pc_keyboard_init(struct pc_keyboard *keyboard) /* Set scancode command */ regval = send_keyboard(0xF0); if (regval != KBD_REPLY_ACK) { - printk(BIOS_ERR, "Keyboard set scancode cmd failed ACK: 0x%x\n", regval); + printk(BIOS_ERR, "Keyboard set scancode cmd failed ACK: 0x%x\n", + regval); return; } /* Set scancode mode 2 */ regval = send_keyboard(0x02); if (regval != KBD_REPLY_ACK) { - printk(BIOS_ERR, "Keyboard set scancode mode failed ACK: 0x%x\n", regval); + printk(BIOS_ERR, + "Keyboard set scancode mode failed ACK: 0x%x\n", regval); return; }
/* All is well - enable keyboard interface */ - if (!kbc_input_buffer_empty()) return; + if (!kbc_input_buffer_empty()) + return; outb(0x60, KBD_COMMAND); - if (!kbc_input_buffer_empty()) return; + if (!kbc_input_buffer_empty()) + return; outb(0x65, KBD_DATA); /* send cmd: enable keyboard and IRQ 1 */ if (!kbc_input_buffer_empty()) { printk(BIOS_ERR, "Timeout during keyboard enable\n"); @@ -296,10 +304,12 @@ void set_kbc_ps2_mode(void) return;
/* Support PS/2 mode */ - if (!kbc_input_buffer_empty()) return; + if (!kbc_input_buffer_empty()) + return; outb(0xcb, KBD_COMMAND);
- if (!kbc_input_buffer_empty()) return; + if (!kbc_input_buffer_empty()) + return; outb(0x01, KBD_DATA);
kbc_cleanup_buffers();