diff options
Diffstat (limited to 'nvkm/subdev/pwr/fuc/i2c_.fuc')
| -rw-r--r-- | nvkm/subdev/pwr/fuc/i2c_.fuc | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/nvkm/subdev/pwr/fuc/i2c_.fuc b/nvkm/subdev/pwr/fuc/i2c_.fuc deleted file mode 100644 index 757dda700..000000000 --- a/nvkm/subdev/pwr/fuc/i2c_.fuc +++ /dev/null @@ -1,393 +0,0 @@ -/* - * Copyright 2013 Red Hat Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: Ben Skeggs - */ - -#define T_TIMEOUT 2200000 -#define T_RISEFALL 1000 -#define T_HOLD 5000 - -#ifdef INCLUDE_PROC -process(PROC_I2C_, #i2c_init, #i2c_recv) -#endif - -/****************************************************************************** - * I2C_ data segment - *****************************************************************************/ -#ifdef INCLUDE_DATA -i2c_scl_map: -.b32 NV_PPWR_OUTPUT_I2C_0_SCL -.b32 NV_PPWR_OUTPUT_I2C_1_SCL -.b32 NV_PPWR_OUTPUT_I2C_2_SCL -.b32 NV_PPWR_OUTPUT_I2C_3_SCL -.b32 NV_PPWR_OUTPUT_I2C_4_SCL -.b32 NV_PPWR_OUTPUT_I2C_5_SCL -.b32 NV_PPWR_OUTPUT_I2C_6_SCL -.b32 NV_PPWR_OUTPUT_I2C_7_SCL -.b32 NV_PPWR_OUTPUT_I2C_8_SCL -.b32 NV_PPWR_OUTPUT_I2C_9_SCL -i2c_sda_map: -.b32 NV_PPWR_OUTPUT_I2C_0_SDA -.b32 NV_PPWR_OUTPUT_I2C_1_SDA -.b32 NV_PPWR_OUTPUT_I2C_2_SDA -.b32 NV_PPWR_OUTPUT_I2C_3_SDA -.b32 NV_PPWR_OUTPUT_I2C_4_SDA -.b32 NV_PPWR_OUTPUT_I2C_5_SDA -.b32 NV_PPWR_OUTPUT_I2C_6_SDA -.b32 NV_PPWR_OUTPUT_I2C_7_SDA -.b32 NV_PPWR_OUTPUT_I2C_8_SDA -.b32 NV_PPWR_OUTPUT_I2C_9_SDA -#if NVKM_PPWR_CHIPSET < GF119 -i2c_ctrl: -.b32 0x00e138 -.b32 0x00e150 -.b32 0x00e168 -.b32 0x00e180 -.b32 0x00e254 -.b32 0x00e274 -.b32 0x00e764 -.b32 0x00e780 -.b32 0x00e79c -.b32 0x00e7b8 -#endif -#endif - -/****************************************************************************** - * I2C_ code segment - *****************************************************************************/ -#ifdef INCLUDE_CODE - -// $r3 - value -// $r2 - sda line -// $r1 - scl line -// $r0 - zero -i2c_drive_scl: - cmp b32 $r3 0 - bra e #i2c_drive_scl_lo - nv_iowr(NV_PPWR_OUTPUT_SET, $r1) - ret - i2c_drive_scl_lo: - nv_iowr(NV_PPWR_OUTPUT_CLR, $r1) - ret - -i2c_drive_sda: - cmp b32 $r3 0 - bra e #i2c_drive_sda_lo - nv_iowr(NV_PPWR_OUTPUT_SET, $r2) - ret - i2c_drive_sda_lo: - nv_iowr(NV_PPWR_OUTPUT_CLR, $r2) - ret - -i2c_sense_scl: - bclr $flags $p1 - nv_iord($r3, NV_PPWR_INPUT) - and $r3 $r1 - bra z #i2c_sense_scl_done - bset $flags $p1 - i2c_sense_scl_done: - ret - -i2c_sense_sda: - bclr $flags $p1 - nv_iord($r3, NV_PPWR_INPUT) - and $r3 $r2 - bra z #i2c_sense_sda_done - bset $flags $p1 - i2c_sense_sda_done: - ret - -#define i2c_drive_scl(v) /* -*/ mov $r3 (v) /* -*/ call(i2c_drive_scl) -#define i2c_drive_sda(v) /* -*/ mov $r3 (v) /* -*/ call(i2c_drive_sda) -#define i2c_sense_scl() /* -*/ call(i2c_sense_scl) -#define i2c_sense_sda() /* -*/ call(i2c_sense_sda) -#define i2c_delay(v) /* -*/ mov $r14 (v) /* -*/ call(nsec) - -#define i2c_trace_init() /* -*/ imm32($r6, 0x10000000) /* -*/ sub b32 $r7 $r6 1 /* -*/ -#define i2c_trace_down() /* -*/ shr b32 $r6 4 /* -*/ push $r5 /* -*/ shl b32 $r5 $r6 4 /* -*/ sub b32 $r5 $r6 /* -*/ not b32 $r5 /* -*/ and $r7 $r5 /* -*/ pop $r5 /* -*/ -#define i2c_trace_exit() /* -*/ shl b32 $r6 4 /* -*/ -#define i2c_trace_next() /* -*/ add b32 $r7 $r6 /* -*/ -#define i2c_trace_call(func) /* -*/ i2c_trace_next() /* -*/ i2c_trace_down() /* -*/ call(func) /* -*/ i2c_trace_exit() /* -*/ - -i2c_raise_scl: - push $r4 - mov $r4 (T_TIMEOUT / T_RISEFALL) - i2c_drive_scl(1) - i2c_raise_scl_wait: - i2c_delay(T_RISEFALL) - i2c_sense_scl() - bra $p1 #i2c_raise_scl_done - sub b32 $r4 1 - bra nz #i2c_raise_scl_wait - i2c_raise_scl_done: - pop $r4 - ret - -i2c_start: - i2c_sense_scl() - bra not $p1 #i2c_start_rep - i2c_sense_sda() - bra not $p1 #i2c_start_rep - bra #i2c_start_send - i2c_start_rep: - i2c_drive_scl(0) - i2c_drive_sda(1) - i2c_trace_call(i2c_raise_scl) - bra not $p1 #i2c_start_out - i2c_start_send: - i2c_drive_sda(0) - i2c_delay(T_HOLD) - i2c_drive_scl(0) - i2c_delay(T_HOLD) - i2c_start_out: - ret - -i2c_stop: - i2c_drive_scl(0) - i2c_drive_sda(0) - i2c_delay(T_RISEFALL) - i2c_drive_scl(1) - i2c_delay(T_HOLD) - i2c_drive_sda(1) - i2c_delay(T_HOLD) - ret - -// $r3 - value -// $r2 - sda line -// $r1 - scl line -// $r0 - zero -i2c_bitw: - call(i2c_drive_sda) - i2c_delay(T_RISEFALL) - i2c_trace_call(i2c_raise_scl) - bra not $p1 #i2c_bitw_out - i2c_delay(T_HOLD) - i2c_drive_scl(0) - i2c_delay(T_HOLD) - i2c_bitw_out: - ret - -// $r3 - value (out) -// $r2 - sda line -// $r1 - scl line -// $r0 - zero -i2c_bitr: - i2c_drive_sda(1) - i2c_delay(T_RISEFALL) - i2c_trace_call(i2c_raise_scl) - bra not $p1 #i2c_bitr_done - i2c_sense_sda() - i2c_drive_scl(0) - i2c_delay(T_HOLD) - xbit $r3 $flags $p1 - bset $flags $p1 - i2c_bitr_done: - ret - -i2c_get_byte: - mov $r5 0 - mov $r4 8 - i2c_get_byte_next: - shl b32 $r5 1 - i2c_trace_call(i2c_bitr) - bra not $p1 #i2c_get_byte_done - or $r5 $r3 - sub b32 $r4 1 - bra nz #i2c_get_byte_next - mov $r3 1 - i2c_trace_call(i2c_bitw) - i2c_get_byte_done: - ret - -i2c_put_byte: - mov $r4 8 - i2c_put_byte_next: - sub b32 $r4 1 - xbit $r3 $r5 $r4 - i2c_trace_call(i2c_bitw) - bra not $p1 #i2c_put_byte_done - cmp b32 $r4 0 - bra ne #i2c_put_byte_next - i2c_trace_call(i2c_bitr) - bra not $p1 #i2c_put_byte_done - i2c_trace_next() - cmp b32 $r3 1 - bra ne #i2c_put_byte_done - bclr $flags $p1 // nack - i2c_put_byte_done: - ret - -i2c_addr: - i2c_trace_call(i2c_start) - bra not $p1 #i2c_addr_done - extr $r3 $r12 I2C__MSG_DATA0_ADDR - shl b32 $r3 1 - or $r5 $r3 - i2c_trace_call(i2c_put_byte) - i2c_addr_done: - ret - -i2c_acquire_addr: - extr $r14 $r12 I2C__MSG_DATA0_PORT -#if NVKM_PPWR_CHIPSET < GF119 - shl b32 $r14 2 - add b32 $r14 #i2c_ctrl - ld b32 $r14 D[$r14] -#else - shl b32 $r14 5 - add b32 $r14 0x00d014 -#endif - ret - -i2c_acquire: - call(i2c_acquire_addr) - call(rd32) - bset $r13 3 - call(wr32) - ret - -i2c_release: - call(i2c_acquire_addr) - call(rd32) - bclr $r13 3 - call(wr32) - ret - -// description -// -// $r15 - current (i2c) -// $r14 - sender process name -// $r13 - message -// $r12 - data0 -// $r11 - data1 -// $r0 - zero -i2c_recv: - bclr $flags $p1 - extr $r1 $r12 I2C__MSG_DATA0_PORT - shl b32 $r1 2 - cmp b32 $r1 (#i2c_sda_map - #i2c_scl_map) - bra ge #i2c_recv_done - add b32 $r3 $r1 #i2c_sda_map - ld b32 $r2 D[$r3] - add b32 $r3 $r1 #i2c_scl_map - ld b32 $r1 D[$r3] - - bset $flags $p2 - push $r13 - push $r14 - - push $r13 - i2c_trace_init() - i2c_trace_call(i2c_acquire) - pop $r13 - - cmp b32 $r13 I2C__MSG_RD08 - bra ne #i2c_recv_not_rd08 - mov $r5 0 - i2c_trace_call(i2c_addr) - bra not $p1 #i2c_recv_done - extr $r5 $r12 I2C__MSG_DATA0_RD08_REG - i2c_trace_call(i2c_put_byte) - bra not $p1 #i2c_recv_done - mov $r5 1 - i2c_trace_call(i2c_addr) - bra not $p1 #i2c_recv_done - i2c_trace_call(i2c_get_byte) - bra not $p1 #i2c_recv_done - ins $r11 $r5 I2C__MSG_DATA1_RD08_VAL - i2c_trace_call(i2c_stop) - mov b32 $r11 $r5 - clear b32 $r7 - bra #i2c_recv_done - - i2c_recv_not_rd08: - cmp b32 $r13 I2C__MSG_WR08 - bra ne #i2c_recv_not_wr08 - mov $r5 0 - call(i2c_addr) - bra not $p1 #i2c_recv_done - extr $r5 $r12 I2C__MSG_DATA0_WR08_REG - call(i2c_put_byte) - bra not $p1 #i2c_recv_done - mov $r5 0 - call(i2c_addr) - bra not $p1 #i2c_recv_done - extr $r5 $r11 I2C__MSG_DATA1_WR08_VAL - call(i2c_put_byte) - bra not $p1 #i2c_recv_done - call(i2c_stop) - clear b32 $r7 - extr $r5 $r12 I2C__MSG_DATA0_WR08_SYNC - bra nz #i2c_recv_done - bclr $flags $p2 - bra #i2c_recv_done - - i2c_recv_not_wr08: - - i2c_recv_done: - extr $r14 $r12 I2C__MSG_DATA0_PORT - call(i2c_release) - - pop $r14 - pop $r13 - bra not $p2 #i2c_recv_exit - mov b32 $r12 $r7 - call(send) - - i2c_recv_exit: - ret - -// description -// -// $r15 - current (i2c) -// $r0 - zero -i2c_init: - ret -#endif |